61 Twins or unrelated patients with identical genotype had very similar neonatal IRT concentrations: DF508/I148T (twins), 1040 and 1055 mg LÀ1 ; N1303K/G149R (twins), 1600 and 1725 mg LÀ1 ; DF508/E585X, 900 and 945 mg LÀ1 ; DF508/ G542X, 1535 and 1660 mg LÀ1 ; DF508/L206W, 980, 1090 and 1100 mg LÀ1 .

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ABCC7 p.Glu585* 10229049:61:203

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72 In this study, CF newborns with one mutation in an exon encoding for either NBD1 or NBD2 (DF508, G542X, G551D, E585X, N1303K, etc.) and the other affecting one of the MSD (R117H, 574delA, I148T, G149R, L206W, etc.) had significantly lower IRT concentrations than CF neonates with both mutations located in NBD.

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ABCC7 p.Glu585* 10229049:72:111

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73 Missense and nonsense mutations affecting NBDs were associated with highly increased neonatal IRT concentrations, with the exception of E585X.

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ABCC7 p.Glu585* 10229049:73:136

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20 The distribution of analysed known mutations is similar to that of the total number of mutations in the entire CFTR gene: missense mutations account for 35% (G27E, G85E, R117H, A120T, I148T, H199Y, R334W, T338I, R347P, R347H, A455E, M718K, S5449N, S5449I, G551D, R560T, R560S, S945L, S977P, I1005R, R1066C, R1070Q, M1101K, D1152H, S1235R, R1283M, N1303K, N1303H), followed by 28% of frameshift mutations (175delC, 394delTT, 457TAT- > G, 905delG, 1078delT, I507, F508, 1609delCA, 1677delTA, 2143delT, 2176insC, 218delA, 2184insA, 2869insG, 3659delC, 3732delA, 3821delT, 3905insT, 4016insT, 4172delGC, 4382delA), 21% of nonsense mutations (Q30X, Q39X, Q220X, W401X, Q525X, G542X, Q552X, R553X, V569X, E585X, K710X, R792X, Y1092X, R1162X, S1255X, W1282X, E1371X), and 16% of splice site mutations (621 + 1G- > T, 711 + 1G- > T, 711 + 5G- > A, 1717-1G- > A, 1898 + 1G- > A, 1898 + 5G- > T, 2789 + 5G- > A, 3271 + 1G- > A, 3272-26A- > G, 3601-17T- > C, 3849 + 4A- > G, 3849 + 10kbC- > T, 4374 + 1G- > T).

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ABCC7 p.Glu585* 10439967:20:699

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92 The technique developed demonstrates excellent single-strand separation and non-radioactive visualisation on polyacrylamide gels, and is time-saving and directly Table 2 Known mutations identified in 198 CF patients analysed investigatively Exon (E) Number of CFTR mutations intron (I) chromosomes Patient`s nationality Highest prevalence ∆F508 E10 212 miscellaneous 3905insT E20 025 Swiss Swiss, Amish, Arcadian R553X E11 020 Swiss, German German 1717-1G->A I10 017 Swiss, Italian Italian N1303K E21 011 Swiss, French, Italian Italian W1282X E20 014 Swiss, Italian, Israelit Jewish-Askhenazi G542X E11 009 Swiss, Spanish, Italian Spanish 2347delG E13 008 Swiss R1162X E19 006 Swiss, Italian, Russian Italian 3849+10kbC->T I19 005 German, French R347P E07 004 Swiss T5 I08 004 Swiss R334W E07 003 Swiss Q525X E10 003 Swiss 3732delA E19 003 Swiss S1235R E19 003 Italian, Turkish G85E E03 002 Italian, Greek I148T E04 002 Austrian, Turkish French-Canadian 621+1G->T I04 002 French French-Canadian 1078delT E07 002 Swiss E585X E12 002 Italian 2176insC E13 002 Swiss, Italian 2789+5G->A I14b 002 Italian Spanish D1152H E18 002 Swiss, French 4016insT E21 002 Turkish Q39X E02 001 Swiss 394delTT E03 001 Swiss Nordic, Finnish R117H E04 001 Swiss A120T E04 001 Swiss G126D E04 001 Swiss 711+5G->A I05 001 Russian M348K E07 001 Italian L568F E12 001 Italian 2183AA->G E13 001 Italian Italian K710X E13 001 Swiss S945L E15 001 French 3272-26A.->G I17a 001 Swiss M1101K E17b 001 Swiss Huttite 3601-17C->T I18 001 Swiss R1158X E19 001 Swiss 4005+1G-A I20 001 Italian applicable to early diagnostic testing, carrier detection and prenatal diagnosis.

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ABCC7 p.Glu585* 10439967:92:1025

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44 CF GENE MUTATIONS IN ITALY Number of alleles Frequency Cumulative Mutation screened (%) frequency (%) DF508 3442 51.07 51.07 N1303K 3056 4.84 55.91 G542X 3082 4.83 60.75 2183 AA ® G 2596 2.66 63.41 R1162X 2580 2.42 65.83 1717-1 G ® A 2892 2.11 67.94 W1282X 2600 1.23 69.17 R553X 2882 1.15 70.31 T338I 2306 0.69 71.01 R347P 2642 0.61 71.61 711 1 5 G ® A 2454 0.57 72.18 G85E 1980 0.40 72.59 621 1 1 G ® T 2594 0.39 72.97 R334W 2366 0.30 73.27 R352Q 2112 0.24 73.50 S549N 2118 0.24 73.74 R347H 2184 0.18 73.92 L1077P 1840 0.16 74.09 R1158X 1878 0.16 74.25 541del C 1884 0.16 74.40 R1066H 1918 0.16 74.56 E585X 1922 0.16 74.72 Q552X 2172 0.14 74.86 D1152H 1824 0.11 74.97 2790-2 A ® G 1862 0.11 75.07 3132 del TG 1862 0.11 75.18 3667ins 4 1876 0.11 75.29 DI507 1914 0.10 75.39 1898 1 3 A ® G 1920 0.10 75.50 G1244E 1960 0.10 75.60 1784 del G 2052 0.10 75.69 From Rendine et al. (1997).

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ABCC7 p.Glu585* 11788089:44:622

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40 Mutation Frequency (%) DelF508 54 N1303K 8 G542X 6.25 1717-1G ® A 2.50 R334W 1.75 2183AA ® G 1.50 R117H, L1077P, W1282X 1.25 D110E, R347P, E585X, 2789 ‡ 5G ® A 0.75 R352Q, R553X, R1066H, D1152H, R1158X, 1782delA, 1898 ‡ 1G ® A, 3659delC 0.50 G85E, R117L, G178R, D579G, H609R, Y1032C, V1153E, R1162X, 621 ‡ 1G ® T, 711 ‡ 1G ® T, 1845delAG o 1846delGA, 2143delT 0.25 Table2.Differencesinthethreestrategiesofneonatalscreening(audit1990-1999).

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ABCC7 p.Glu585* 11883825:40:149

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20 Given the frequency of CF mutations, especially in the Caucasian population ( in 25), and the common request by CBAVD men to sire their own offspring by using surgical Table I. The 100 most common cystic fibrosis mutations listed by exon Mutationa Exonb Frequency (%)c G85E 3 0.1 394delTT 3 Swedish E60X 3 Belgium R75X 3 405ϩ1G→A Int 3 R117H 4 0.30 Y122X 4 French 457TAT→G 4 Austria I148T 4 Canada (French Canadian) 574delA 4 444delA 4 R117L 4 621ϩ1G→T Int 4 0.72 711ϩ1G→T Int 5 Ͼ0.1 712-1G→T Int 5 711ϩ5G→A Int 5 Italy (Caucasian) L206W 6a R347P 7 0.24 1078delT 7 Ͼ0.1 R334W 7 Ͼ0.1 1154InsTC 7 T338I 7 Italy R347H 7 Turkey Q359K/T360K 7 Israel (Georgian Jews) I336K 7 R352Q 7 G330X 7 S364P 7 A455E 9 0.20 I507 10 0.21 F508 10 66.02 1609delCA 10 Spain (Caucasian) V520F 10 Q493X 10 C524X 10 G480C 10 Q493R 10 1717-1G→A Int 10 0.58 R553X 11 0.73 G551D 11 1.64 G542X 11 2.42 R560T 11 Ͼ0.1 S549N 11 Q552X 11 Italy S549I 11 Israel (Arabs) A559T 11 African American R553G 11 R560K 11 1812-1G→A Int 11 A561E 12 E585X 12 Y563D 12 Y563N 12 1898ϩ1G→A Int 12 0.22 1898ϩ1G→C Int 12 2183AA→G 13 Italian 2184delA 13 Ͻ0.1 K710X 13 2143delT 13 Moscow (Russian) 2184InsA 13 1949del84 13 Spain (Spanish) 2176InsC 13 2043delG 13 2307insA 13 2789ϩ5G→A Int 14b Ͼ0.1 2869insG 15 S945L 15 Q890X 15 3120G→A 16 2067 Table I. continued Mutationa Exonb Frequency (%)c 3120ϩ1G→A Int 16 African American 3272-26A→G Int 17a R1066C 17b Portugal (Portugese) L1077P 17b R1070Q 17b Bulgarian W1089X 17b M1101K 17b Canada (Hutterite) R1070P 17b R1162X 19 0.29 3659delC 19 Ͼ0.1 3849G→A 19 3662delA 19 3791delC 19 3821delT 19 Russian Q1238X 19 S1235R 19 France, South S1196X 19 K1177R 19 3849ϩ10kbC→T Int 19 0.24 3849ϩ4A→G Int 19 W1282X 20 1.22 S1251N 20 Dutch, Belgian 3905insT 20 Swiss, Acadian, Amish G1244E 20 R1283M 20 Welsh W1282R 20 D1270N 20 S1255X 20 African American 4005ϩ1G→A Int 20 N1303K 21 1.34 W1316X 21 aMutations were chosen according to their frequencies (Cystic Fibrosis Genetic Analysis Consortium, 1994; Zielenski and Tsui, 1995; Estivill et al., 1997).

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ABCC7 p.Glu585* 12151438:20:1111

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309 Table 2 Genotype classification according to the functional consequences of CFTR gene mutations Pancreatic status Class I Class II Class III Class IV Class V PS F1 , 875+1G→C(2) F, F (1) F, G551D (1) F, R117H (11) F,3849+10kbC→T (5) F, G85E2 (1) F, R347H (3) F,3272-26A→G (4) F, S1251N (2) F,A445E (3) F, D614G (1) F,P574H (2) F, R347P (1) F,3120G>A (1) R117H,R117H (1) F, 5T (8) F, L1335P (1) F,2789+5G→A (1) F,P67L (1) F,R347P/R347H (1) F,V232D(2) R334W, R334W(1) PS→PI F,3659delC (1) F,F (15) F,G551D (1) F, I1234V (1) F,2184insA (1) F,R560T (1) PI F, G542X (27) F,F (365) F, G551D (28) F, 621+1G→T (13) F, R560T (7) F,R553X (7) F, N1303K (9) F, R1162X (6) F,L1077P (2) F, 3659delC (5) F, I48T (1) F, 1717-1G→A (5) F,A559T (1) F, W1282X (5) F, G85E2 (2) F, 711+1G→T (5) G551D,G551D(1) F,2184delA(4) F,H199R (1) W1282X,W1282X (4) F,I1072T(1) F,Y1092X (3) F,S549 (R75Q) (1) F,556delA (3) F, Q493X (3) F,4016InsT (3) F, 3120+1G→A (2) F, G551D/R553X (2) F,Q814X(2) F,1154insTC (2) F,441delA (1) F, 4326delTC (1) F,Q552X(1) F,3007delG (1) F,2184insA (1) F, 4010del4 (1) F,3905insT (1) F,1078delT(1) F,E1104X (1) F,3876delA (1) F,4374+1G→T (1) F,E585X (1) F, E60X (1) CFTR, cystic fibrosis transmembrane regulator; PI, pancreatic insufficiency; PS, pancreatic sufficiency.

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ABCC7 p.Glu585* 12865275:309:1213

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43 1 (1.0) DoÈrk et al. 2001 1677delTA Exon 10 Deletion of 2 nt at 1674±1678 Truncation 1 (1.0) Ivaschenko et al. 1991 E585X Exon 12 G®T at 1885 Truncation 1 (1.0) Cremonesi et al. 1992 I853F Exon 14a A®T at 2689 Amino acid substitution 1 (1.0) This study 2752-15C®G Intron 14a C®G at 2752±15 Aberrant splicing?

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ABCC7 p.Glu585* 15070876:43:126

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72 CFTR genotypes in 51 patients with congenital bilateral absence of the vas deferens Mutation genotypes IVS8-(TG)mTn M470V n (%) Two mutations detected: D1152H/D1152H (TG)11 7T/ (TG)11 7T V/V 5 (9.8) IVS8-5T/IVS8-5T (TG)13 5T/ (TG)13 5T M/M 2 (3.9) (TG)12 5T/ (TG)13 5T M/V 1 (1.9) (TG)12 5T/ (TG)12 5T V/V 1 (1.9) IVS8-5T/D1152H (TG)12 5T/ (TG)11 7T V/V 2 (3.9) IVS8-5T/DF508 (TG)12 5T/ (TG)10 9T M/V 2 (3.9) IVS8-5T/2789+5G®A (TG)12 5T/ (TG)10 7T M/V 2 (3.9) IVS8-5T/365insT (TG)13 5T/ (TG)11 7T M/V 1 (1.9) IVS8-5T/D110H (TG)12 5T/ (TG)11 7T M/V 1 (1.9) IVS8-5T/E585X (TG)12 5T/ (TG)10 7T M/V 1 (1.9) IVS8-5T/2752-15C®G (TG)12 5T/ (TG)11 7T V/V 1 (1.9) IVS8-5T/M952I (TG)12 5T/ (TG)10 7T M/V 1 (1.9) IVS8-5T/3120+1G®A (TG)12 5T/ (TG)11 7T V/V 1 (1.9) D1152H/A349V (TG)10 7T/ (TG)11 7T M/V 1 (1.9) D1152H/2789+5G®A (TG)10 7T/ (TG)11 7T M/V 1 (1.9) D1152H/G1130A (TG)10 7T/ (TG)11 7T M/V 1 (1.9) CFTRdele2(ins186)/ IVS8-6T (TG)13 6T/ (TG)11 7T M/V 1 (1.9) CFTRdele2(ins186)/D110H (TG)11 7T/ (TG)11 7T V/V 1 (1.9) E831X/D110H (TG)11 7T/ (TG)11 7T V/V 1 (1.9) E831X/1677delTA (TG)11 7T/ (TG)11 7T V/V 1 (1.9) R334Q/R347H (TG)11 7T/ (TG)11 7T V/V 1 (1.9) 1767del6/1767del6 (TG)11 7T/ (TG)11 7T V/V 1 (1.9) 3041-15T®G/3041-15T®G (TG)12 7T/ (TG)12 7T M/M 1 (1.9) 3041-13del7/3041-13del7 (TG)10 7T/ (TG)10 7T M/M 1 (1.9) R1070W/3272-26A®G (TG)10 7T/ (TG)11 7T M/V 1 (1.9) I853F/L997F (TG)11 7T/ (TG)10 9T V/V 1 (1.9) One mutation detected: L997F/?

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ABCC7 p.Glu585* 15070876:72:569

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92 - Cystic fibrosis transmembrane conductance regulator genotypes of patients in the three study groups G85E PI PS Genotype Subjects n Genotype Subjects n Genotype Subjects n G85E/F508del# 34 F508del# /F508del# 58 F508del# /unknown 15 G85E/unknown 8 F508del# /unknown 2 F508del# /3849z10 kbCRT} 5 G85E/G542X# 5 F508del# /1717-1GR A 1 F508del# /R117H} 3 G85E/W1282X# 4 F508del# /N1303K# 1 T338I/L1065P 2 G85E/I507del# 3 F508del*/H139R 1 E585X/3272-26ARG} 2 G85E/R1162X# 3 F508del# /R1066C # 1 2183AARG/2789z5GRA 2 G85E/2183AARG 2 F508del# /G542X# 1 F508del# /711z5GRA 1 G85E/G85E 1 F508del# /712-1GRT 1 F508del# /D1152H} 1 G85E/E585X# 1 F508del# /621z1GRT 1 F508del# /1898z3ARG 1 G85E/711z1GRT# 1 F508del# /1898z1 1 F508del# /R347H} 1 G85E/712-1GRT# 1 Total 68 F508del# /2789z5GRA 1 G85E/621z1GRT# 1 2789z5GRA/?

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ABCC7 p.Glu585* 15176679:92:434

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5 The haplotype analysis of three intragenic polymorphisms (IVS8CA, IVS17bTA and IVS17bCA) compared with data from other studies revealed that several mutations (3849+10kbC>T, 1717-1G>A, E585X, 3272-26G>A, L558S, 2184insA and R347P) originated from multiple events, whereas others (R1158X and S549R) could be associated with one or more intragenic recombinant events.

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ABCC7 p.Glu585* 15638824:5:185

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62 A procedure for the large-scale analysis of several mutations peculiar to southern Italy is also indicated Mutation Analytical CF alleles Campania Basilicata Puglia Total procedure n = 340 n = 52 n = 350 n = 742 DF508 55.6 55.8 46.8 51.5 N1303K 7.3 3.8 7.7 7.3 G542X 5.0 3.8 7.1 5.9 W1282X 3.5 3.8 0.6 2.2 2183 AA>G 2.3 5.8 0.8 1.9 852del22 0 5.8 3.2 1.9 3% agarose 1717-1G>A 2.3 1.9 1.1 1.8 4382delA 0 0 3.7 1.8 RE (Ear I -) 1259insA 0 0 3.1 1.5 4016insT 2.1 0 1.1 1.5 ASO R553X 1.5 0 1.7 1.5 R1158X 1.5 0 1.3 1.2 ASO or RE (Sfa N 1 -) L1077P 0.6 0 1.9 1.2 I502T 0.3 0 2.0 1.1 RE (Mse I -) 3849+10kbC>T 0 1.9 1.6 0.9 D579G 0 0 1.6 0.8 RE (Avr II +) G1244E 0.9 3.8 0.3 0.8 ASO or RE (Mbo II +) G1349D 0 0 1.7 0.8 RE (Sty I -) 2789+5 G>A 0.6 0 0.8 0.7 711+1 G>T 1.5 0 0 0.7 ASO L1065P 1.2 0 0 0.5 ASO or RE (Mnl I +) R347P 0.3 0 0.9 0.5 2522insC 0.9 0 0 0.4 E585X 0.6 0 0 0.3 G85E 0.6 0 0 0.3 G178R 0.6 0 0 0.3 D1152H 0.3 0 0.3 0.3 I148T-3195del6 0.6 0 0 0.3 I148T (alone) 0 0 0.3 0.1 R334W 0 0 0.3 0.1 DI507 0 0 0.3 0.1 I1005R 0 0 0.3 0.1 3272-26A>G 0.3 0 0 0.1 2711delT 0.3 0 0 0.1 L558S 0 1.9 0 0.1 W1063X 0 0 0.3 0.1 D110H 0.3 0 0 0.1 S549R (A>C) 0 1.9 0 0.1 2184insA 0.3 0 0 0.1 3131del22 0.3 0 0 0.1 R709N 0 0 0.3 0.1 A349V 0 0 0.3 0.1 4015insA 0 0 0.3 0.1 Y849X 0 1.9 0 0.1 Cumulative 91.6 92.1 91.7 91.5 Unknown 8.4 7.9 8.3 8.5 Total 100,0 100,0 100,0 100,0 RE: restriction enzyme (-/+: abolition or introduction of a RE site); ASO: allele specific oligonucleotide Figure 2 Multiplex denaturing gradient gel electrophoretic analysis of exons 8, 5 and 18 of the cystic fibrosis transmembrane regulator gene in a cystic fibrosis patient (case n.

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ABCC7 p.Glu585* 15638824:62:857

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109 Genetists Table 4 Mutations linked to different haplotypes due to recombinant or recurrent events, characteryzed at the level of three CFTR intragenic loci (IVS8CA, IVS17bTA, IVS17bCA) Present study Other studies Cases Haplotype Cases Haplotype (n) (n. of repeats) (n) (n. of repeats) references* I148T and 3195del6 2/2 23-7-17 3 23-7-17 2,3 (in cis) I148T 1/1 23-32-13 S549R (A>C) 1/1 23-33-13 1 16-33-13 2 1717-1G>A 13/13 16-7-17 23 16-7-17 1,2,3 2 16-30-13 1 1 16-32-13 1 R1158X 6/6 16-7-17 1/2 16-7-17 2 1/2 6-45-13 2 1/1 16-31-13 3 1/1 16-45-13 3 3849 +10kbC>T 5/5 23-31-13 2 23-31-13 1 1 16-14-31 4 1 16-7-17 1 3 16-46-13 2 1 16-17-19 2 1 17-31-13 2 E585X 2/2 16-7-17 1 16-32-13 2 1 17-31-13 2 1 16-7-16 see 2 3272-26G>A 1/1 15-7-17 1 16-32-13 1 4 16-7-17 5 L558S 1/1 16-32-13 1 16-32-13 1 1 15-7-17 1 2184 ins A 1/1 16-29-13 1 16-45-13 1 1 16-7-17 1 1 16-24-13 3 * References 1: Morral et al. 1996b.

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ABCC7 p.Glu585* 15638824:109:658

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3 Another 12 mutations (R334W, 2184insA, I507del, 1525-1G Ǟ A, E585X, R75X, M1I, 457TAT Ǟ G, 574delA, 2723delTT, A120T, and 2907delTT) covered an additional 3.36%.

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ABCC7 p.Glu585* 15727251:3:67

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44 CFTR MUTATIONS IDENTIFIED IN 175 YUGOSLAVIAN CF PATIENTS Location Number of positive Frequency Mutation (exon/intron) CF alleles (percentage) F508del Exon 10 253 72.28 621 ϩ 1G → T Intron 4 10 2.86 G542X Exon 11 9 2.57 S466X Exon 10 3 0.86 2789 ϩ 5 G → A Intron 14b 2 0.57 R1070Q Exon 17b 2 0.57 MI1 Exon 1 1 0.28 R75X Exon 3 1 0.28 457TAT → G Exon 4 1 0.28 574delA Exon 4 1 0.28 A120T Exon 4 1 0.28 R334W Exon 7 1 0.28 1525-1 G → A Intron 9 1 0.28 I507del Exon 10 1 0.28 E585X Exon 12 1 0.28 2184insA Exon 13 1 0.28 2723delTTa Exon 14a 1 0.28 2907delTT Exon 15 1 0.28 Unknown - 61 17.43 aNew frameshift mutation.

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ABCC7 p.Glu585* 15727251:44:512

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75 Three other defects were found in single patients in other populations: S466X (Germany), E585X (Italy), and M1I (England) (CFGAC, 2003).

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ABCC7 p.Glu585* 15727251:75:89

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47 CFTR gene alterations were first scored by PCR and reverse dot blot (Chehab and Wall, 1992), targeted to the detection of the following mutations: ∆F508, G85E, 541∆C, D110H, R117H, 621+1G→T, 711+5G→A, R334W, R334Q, T338I, 1078∆T, R347H, R352Q, ∆I507, 1609∆CA, E527G, 1717-1G→A, 1717-8G→A, G542X, R347P, S549N, S549R A→C, Q552X, R553X, A559T, D579G, Y577F, E585X, 1898+3A→G, 2183AA→G, R709X, 2789+5G→A, 3132∆TG, 3272-26A→G, L1077P, L1065P, R1070Q, R1066H, M1101K, D1152H, R1158X, R1162X, 3849+10KbC→T, G1244E, W1282R, W1282X, N1303K and 4016∇T.

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ABCC7 p.Glu585* 16126774:47:426

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2 Among 96 tested alleles, we found nine different mutations: ⌬F508, 58.33%; G542X, 3.12%; N1303K, 2.08%; R1162X; 621 ؉ 1G→T; G85E; Y569C; E585X; and S466X, 1.04%.

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ABCC7 p.Glu585* 17627383:2:157

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48 In this way, we detected three additional mutations, in exons 10 (S466X) and 12 (Y569C and E585X) (Fig. 1).

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ABCC7 p.Glu585* 17627383:48:91

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50 Nine different mutations were found: ⌬F508 (58.33%), G542X (3.12%), N1303K (2.08%), R1162X, 621 ϩ 1G Ǟ T, G85E, Y569C, E585X, and S466X (1.04%).

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ABCC7 p.Glu585* 17627383:50:138

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64 C: Mutation E585X in exon 12, Glu to stop codon at 585.

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ABCC7 p.Glu585* 17627383:64:12

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81 MUTATIONS AND CORRESPONDING GENOTYPES OBSERVED IN A CROATION COHORT OF CF PATIENTS Number of affected Number of detected Mutation alleles (%) Genotype genotypes (%) ⌬F508 56 (58.33) ⌬F508/⌬F508 19 (39.58) G542X 3 (3.12)0 ⌬F508/Na 7 (14.58) N1303K 2 (2.08)0 ⌬F508/G542X 3 (6.25)0 R1162X 1 (1.04)0 ⌬F508/N1303K 2 (4.17)0 621ϩ1G→T 1 (1.04)0 ⌬F508/R1162X 1 (2.08)0 G85E 1 (1.04)0 ⌬F508/621ϩ1G→T 1 (2.08)0 Y569C 1 (1.04)0 ⌬F508/G85E 1 (2.08)0 E585X 1 (1.04)0 ⌬F508/Y569C 1 (2.08)0 S466X 1 (1.04)0 ⌬F508/E585X 1 (2.08)0 Na 29 (30.21) ⌬F508/S466X 1 (2.08) Na/Na 11 (22.92) Total 96b Total 48c aAlleles without mutation.

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ABCC7 p.Glu585* 17627383:81:527

status: NEW

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ABCC7 p.Glu585* 17627383:81:601

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118 Direct sequencing of the coding region slightly raised the sensitivity of mutation analysis by detection of three relatively rare mutations, in exons 10 (S466X) and 12 (Y569C, E585X), already described by others (Cremonesi et al., 1992; Deufel et al., 1994; Petreska et al., 1996).

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ABCC7 p.Glu585* 17627383:118:176

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47 These five lines include two new CF line carriers of F508del/E585X and F508del/3849 C + T.

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ABCC7 p.Glu585* 19549452:47:61

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75 Genetic testing of embryos and cell lines for cystic fibrosis PGD embryos were donated by two couples, each carriers of two mutations leading to cystic fibrosis; one couple carried the F508del and the 3849+10 kb C→T mutations, the other carried the F508del and E585X mutations.

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ABCC7 p.Glu585* 19549452:75:268

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84 Since each couple carried two different mutations, the ΔF508 and the 3849+10 kb C→T mutations for couple 1, and the ΔF508 and E585X mutations for couple 2, a multiplex PCR protocol was chosen to amplify the ΔF508 mutation in combination with informative intragenic polymorphic markers allowing indirect detection of the less frequent mutation by identifying the allele segregating with this mutation.

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ABCC7 p.Glu585* 19549452:84:145

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216 Capillary electrophoresis of fluorescent triplex polymerase chain reaction products after analysis of the cystic fibrosis F508del mutation in combination with two intragenic CFTR polymorphic markers IVS6aGATT and IVS17bCA used for the indirect detection of the cystic fibrosis E585X mutation. Each allele detected is labelled with two tags corresponding to its size (bp) and height in PFU.

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ABCC7 p.Glu585* 19549452:216:277

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217 At locus IVS6aGATT, the allele with a size of 104 bp corresponds to the mutated allele from the father who is heterozygous for the F508DELmutation and at locus IVS17bCA, the allele with a size of 142 bp is the mother`s allele carrying the E585X mutation. At locus ΔF508, the allele with a size of 353 bp carries the 3 bp F508del deletion.

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ABCC7 p.Glu585* 19549452:217:239

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220 These two lines are heterozygous compound for two mutations: F508del/3849 C→T and F508del/ E585X.

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ABCC7 p.Glu585* 19549452:220:98

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257 The two CF cell lines reported here carry specific mutations that have not yet been reported.These two cell lines are heterozygous compound for two mutations, the well known F508del and either the E585X or the 3849+10 kb C→T.

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ABCC7 p.Glu585* 19549452:257:197

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258 The E585X mutation was described in 1992 by Cremonesi et al., and is responsible for the production of an abnormal protein.

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ABCC7 p.Glu585* 19549452:258:4

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260 Clinically, the E585X mutation is associated with severe pulmonary disease.

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ABCC7 p.Glu585* 19549452:260:16

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17 of chromosomes Frequency (%) F508dela E.10 67 36.8 G542Xa E.11 22 12.1 A1006E E.17a 10 5.5 K710X E.13 10 5.5 2789+5G>Aa I.14b 9 4.9 L206W E.6a 7 3.8 1811+1.6kbA>G I.11 6 3.3 R334Wa E.7 5 2.7 2869insG E.15 5 2.7 I507dela E.10 4 2.2 N1303Ka E.21 4 2.2 R347Pa E.7 3 1.6 711+1G>Ta I.5 3 1.6 3849+10kbC>Ta I.19 3 1.6 Q890X E.15 3 1.6 R117Ha E.4 2 1.1 R1162Xa E.19 2 1.1 2183AA>Ga E.13 2 1.1 A561E E.12 2 1.1 R560G E.11 2 1.1 1717-1G>Aa I.10 1 0.5 E1308X E.21 1 0.5 E585X E.12 1 0.5 L997F E.17a 1 0.5 1677delTA E.10 1 0.5 R1158X E.19 1 0.5 W202X E.6a 1 0.5 R74W+D1270N E.3 + E.20 1 0.5 G576A+R668C E.12 + E.13 1 0.5 Unknown 2 1.1 Total 182 100 aCFTR mutations identified with the PCR OLA CF Genotyping Assay .

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ABCC7 p.Glu585* 19845690:17:460

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48 Forty-seven different CFTR mutations/gene alterations were chosen and analysed: ΔF508, G85E, 541delC, D110H, R117H, 621+1G→T, 711+5G→A, R334W, R334Q, T338I, R347H, R347P, R352Q, S466X, ΔI507, E527G, 1717-1G→A, 1717-8G→A, G542X, S549N, S549R A→C, G551D, Q552X, R553X, D579G, 1874insT, E585X, 1898+3A→G, 2183AA→G, 2184delA, R709X, 2789+5G→A, 3132delTG, 3199del6, 3272-26A→G, L1077P, L1065P, R1066H, M1101K, D1152H, R1158X, R1162X, 3849+10KbC→T, G1244E, W1282X, N1303K and 4016insT.

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ABCC7 p.Glu585* 19897426:48:331

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68 Portuguese CFTR alleles Spanish CFTR alleles Turkish CFTR alleles 5T 22 F508del 11 5T 20 F508del 14 5T 9 D1152H 14 R334W 5 D443Ya 3 D110H 3 R117H 3 G576Aa 3 F508del 2 S1235R 3 R668Ca 3 3041-11del7 2 N1303K 2 G542X 2 1767del6 2 P205S 2 R117H 2 2789þ5G>A 2 D614G 2 V232D 2 CFTRdele2(ins186) 2 G542X 1 L997F 1 3120þ1G>A 1 L206W 1 H609R 1 G1130A 1 V562I 1 N1303H 1 M952I 1 I507del 1 L206W 1 365insT 1 3272-26A>G 1 3272-26A/G 1 E585X 1 2789þ5G>A 1 L15P 1 2752-15C>G 1 G576Aa 1 R347H 1 R334Q 1 R668Ca 1 2689insG 1 R347H 1 CFTRdele2,3 1 R1070W 1 E831X 1 L1227S 1 I 1027T 1 R1070W 1 E831X 1 3272-26A>G 1 L997F 1 I853F 1 A349V 1 6T 1 Note: CFTR ¼ cystic fibrosis transmembrane conductance regulator.

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ABCC7 p.Glu585* 20100616:68:433

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74 For Pa, the hazard ratio Table 1 Classification of CFTR alleles Category Mutation Specific mutations Class I Defective Protein Synthesis (nonsense, frameshift, aberrant splicing) 1078delT, 1154 insTC, 1525-2A > G, 1717-1G > A, 1898+1G > A, 2184delA, 2184 insA, 3007delG, 3120+1G > A, 3659delC, 3876delA, 3905insT, 394delTT, 4010del4, 4016insT, 4326delTC, 4374+1G > T, 441delA, 556delA, 621+1G > T, 621-1G > T, 711+1G > T, 875+1G > C, E1104X, E585X, E60X, E822X, G542X, G551D/R553X, Q493X, Q552X, Q814X, R1066C, R1162X, R553X, V520F, W1282X, Y1092X Class II Abnormal Processing and Trafficking A559T, D979A, ΔF508, ΔI507, G480C, G85E, N1303K, S549I, S549N, S549R Class III Defective Channel Regulation/Gating G1244E, G1349D, G551D, G551S, G85E, H199R, I1072T, I48T, L1077P, R560T, S1255P, S549 (R75Q) Class IV Decreased Channel Conductance A800G, D1152H, D1154G, D614G, delM1140, E822K, G314E, G576A, G622D, G85E, H620Q, I1139V, I1234V, L1335P, M1137V, P67L, R117C, R117P, R117H, R334W, R347H, R347P, R347P/ R347H, R792G, S1251N, V232D Class V Reduced Synthesis and/or Trafficking 2789+5G > A, 3120G > A, 3272-26A > G, 3849+10kbC > T, 5T variant, 621+3A > G, 711+3A > G, A445E, A455E, IVS8 poly T, P574H was increased 3 fold for those with 'Minimal` function when compared to those with 'Residual` function.

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ABCC7 p.Glu585* 20932301:74:442

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105 The specificity of the signal detected with the antibodies is further strengthened by the observation of the loss of the C-terminal epitope in monocytes derived from patients carrying two nonsense mutations (R1158X/E585X; R1162X/R1162X).

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ABCC7 p.Glu585* 21811577:105:215

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31 Mutations and polymorphisms analyzed in the CFTR gene. Position Denaturant gradient Mutation Exon 1 40-90% 125G/Ca,b M1V (A3G at 133) 175insT 182delT Exon 3 10-60% W57G (T3G at 301) 356G/Aa G85E (G3A at 386) Exon 4 20-70% R117H (G3A at 482) 541delC 621ϩ1G3T I148T (T3C at 575) Exon 5 20-70% E193K (G3A at 709) Intron 5 20-70% 711ϩ3A3G Exon 7 20-70% 1078delT R334W (C3T at 1132) T338I (C3T at 1145) R347P (G3C at 1172)b R347H (G3A at 1172) R352Q (G3A at 1187) Exon 10 20-70% M470V (1540A/G)a ⌬F508 (del 3 bp at 1652) Intron 10 10-60% 1717-1G3A Exon 11 10-60% G542X (G3T at 1756) 1784delG R553X (C3T at 1789) Exon 12 10-60% D579G (A3G at 1868) E585X (G3T at 1885) Intron 12 10-60% 1898ϩ3A3G Exon 13 30-80% 2183AA3G E730X (G3T at 2320) L732X (T3G at 2327) 2347delG Exon 14a 10-60% T854T (2694T/G)a V868V (2736G/A)a Intron 14b 30-80% 2789ϩ5G3A Exon 15 20-70% M952I (G3C at 2988)b Exon 17a 20-70% L997F (G3C at 3123)b Exon 17b 20-70% F1052V (T3G at 3286) R1066C (C3T at 3328) R1066H (G3A at 3329) A1067T (G3A at 3331) Exon 18 20-70% D1152H (G3C at 3586)b Exon 19 30-80% R1158X (C3T at 3604) Exon 20 20-70% S1251N (G3A at 3384) W1282X (G3A at 3978) Exon 21 20-70% N1303K (C3G at 4041)b Exon 22 30-80% G1349D (G3A at 4178) 4382delA Exon 24 30-80% Y1424Y (4404C/T)a a Polymorphism.

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ABCC7 p.Glu585* 9895335:31:661

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61 Of these 22 mutations, 14 (R75Q, P111L, R117H, I148T, Y301C, ∆F508, E585X, V754M, L997F, R1066C, M1137V, 3667ins4, D1270N, 4382delA) are listed by the Cystic Fibrosis Genetic Analysis Consortium (CFGAC) as CF mutations (CFGAC website), even if their role in CF disease remains to be proven, as is the case for R75Q, P111L, V754M, L997F, and D1270N.

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ABCC7 p.Glu585* 9921909:61:75

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88 of cases CFTR gene PolyTb status tested mutationa DBE 23 1 G576A-R668C/L997F 7/9 1 ∆F508/L997F 9/9 1 ∆F508/- 7/9 1 R1066C/- 5/7 1 3667ins4/- 5/7 1 R75Q/- 7/7 1 M1137V/- 7/7 1 -/- 5/5 3 -/- 5/7 10 -/- 7/7 2 -/- 7/9 CB 27 1 P111L/- 7/7 1 R117H/- 7/7 1 E585X/- 7/7 1 P1072L/- 7/7 1 -/- 5/7 15 -/- 7/7 6 -/- 7/9 1 -/- 9/9 E 25 1 R668C/- 7/7 6 -/- 5/7 16 -/- 7/7 6 -/- 7/9 S 8 1 E826K/- 7/7 1 ∆F508/- 7/9 1 4382delA/- 7/7 1 L997F/- 7/9 1 V754M/- 7/9 3 -/- 7/7 LC 26 1 I148T/- 5/7 1 D1270N-R74W 5/7 1 D651N/- 7/7 1 Y301C/- 7/7 1 -/- 5/7 16 -/- 7/7 5 -/- 7/9 TB 4 1 -/- 5/7 1 -/- 7/7 2 -/- 7/9 Pneumonia 5 4 -/- 7/7 1 -/- 5/7 Pnx 2 2 -/- 7/7 Controls 68 1 L997F/- 7/9 1 R31C/- 7/7 1 I506V/- 5/7 1 -/- 5/7 1 -/- 5/9 23 -/- 7/7 4 -/- 7/9 1 -/- 9/9 2 ?

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ABCC7 p.Glu585* 9921909:88:264

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52 Mutation 0.46-0.35 9 c.1078delT #, p.R347P # 8 p.G85V, c.621 + 1G > T #, p.S549R (T > G) #, p.R553X #, c.3849 + 10kbC > T # 7 p.R347H #, c.1812-1G > A, p.R709X 0.30-0.10 6 p.H199Y, p.P205S, 5 p.R117H #, p.G551D #, p.W1089X, p.Y1092X, CFTR50kbdel 4 c.296 + 3insT, c.1717-1G > A #, c.1949del84, c.3849 + 1G > A 3 p.E92K, c.936delTA, c.1717-8G > A, c.1341G > A, p.A561E, c.2603delT, p.G1244E, [p.D1270N; p.R74W] 2 p.Q2X, p.P5L, CFTRdele2,3, p.S50P, p.E60K, c.405 + 1G > A, c.1677delTA, p.L558S, p.G673X, p.R851X, p.Y1014C, p.Q1100P, p.M1101K, p.D1152H, CFTRdele19, p.G1244V, p.Q1281X, p.Y1381X <0,1 1 c.124del23bp, p.Q30X, p.W57X, c.406-1G > A, p.Q98R, p.E115del, c.519delT, p.L159S, c.711 + 3A > T, p.W202X, c.875 + 1G > A, p.E278del, p.W361R, c.1215delG, p.L365P, p.A399D, c.1548delG, p.K536X, p.R560G, c.1782delA, p.L571S, [p.G576A; p.R668C], p.T582R, p.E585X, c.1898 + 1G > A, c.1898 + 3A > G, c.2051delTT, p.E692X, p.R851L, c.2711delT, c.2751 + 3A > G, c.2752-26A > G, p.D924N, p.S945L, c.3121-1G > A, p.V1008D, p.L1065R, [p.R1070W; p.R668C], [p.F1074L; 5T], p.H1085R, p.R1158X, c.3659delC #, c.3667del4, c.3737delA, c.3860ins31, c.3905insT #, c.4005 + 1G > A, p.T1299I, p.E1308X, p.Q1313X, c.4095 + 2T > A, rearrangements study (n = 4) Mutations identified in CF families with mixed European origin: c.182delT, p.L1254X, c.4010del4.

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ABCC7 p.Glu585* 17331079:52:854

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41 To reduce the possible influence of the CFTR genotype on the liver, we selected only patients who were homozygotes for the F508del mutation (about 80%) or compound heterozygotes for the F508del and another severe (class 1, 2 or 3) CFTR mutation (i.e., c.1717-1G>A; p.G542X; p.NI303K; c.1782delT; c.182delT; c.3659delC; c.4016insT; dele17a-18; p.E585X; p.R553X).

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ABCC7 p.Glu585* 19467940:41:345

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855 CFTR mutation Total PI Total PI + PS PIP score CFTR mutation Total PI Total PI + PS PIP score 621+1G>T 96 96 1.00 G542X 74 75 0.99 711+1G>T 36 36 1.00 F508del 1276 1324 0.96 I507del 34 34 1.00 1717-1G>A 20 21 0.95 R553X 24 24 1.00 W1282X 19 20 0.95 Q493X 11 11 1.00 N1303K 45 48 0.94 S489X 11 11 1.00 R1162X 12 13 0.92 1154insTC 10 10 1.00 Y1092X 12 13 0.92 3659delC 9 9 1.00 I148T 10 11 0.91 CFTRdele2 7 7 1.00 V520F 9 10 0.90 4016insT 7 7 1.00 G551D 59 67 0.88 E60X 7 7 1.00 L1077P 5 6 0.83 R560T 7 7 1.00 R1066C 5 6 0.83 R1158X 7 7 1.00 2184insA 9 12 0.75 3905insT 6 6 1.00 2143delT 3 4 0.75 I148T;3199del6 5 5 1.00 1161delC 3 4 0.75 2183AA>G 5 5 1.00 3120+1G>A 3 4 0.75 1898+1G>A 5 5 1.00 S549N 3 4 0.75 2347delG 4 4 1.00 G85E 16 22 0.73 Q1313X 3 3 1.00 R117C 2 3 0.67 Q220X 3 3 1.00 M1101K 19 30 0.63 2184delA 3 3 1.00 P574H 3 5 0.60 1078delT 3 3 1.00 474del13BP 1 2 0.50 L1254X 3 3 1.00 R352Q 1 2 0.50 E585X 3 3 1.00 Q1291H 1 2 0.50 3876delA 2 2 1.00 A455E 18 37 0.49 S4X 2 2 1.00 R347P 6 15 0.40 R1070Q 2 2 1.00 2789+5G>A 6 16 0.38 F508C 2 2 1.00 L206W 6 18 0.33 DELI507 2 2 1.00 IVS8-5T 4 16 0.25 Q1411X 2 2 1.00 3272-26A>G 1 4 0.25 365-366insT 2 2 1.00 R334W 1 10 0.10 R709X 2 2 1.00 3849+10kbC>T 2 22 0.09 1138insG 2 2 1.00 P67L 1 14 0.07 CFTRdele2-4 2 2 1.00 R117H 1 25 0.04 3007delG 2 2 1.00 R347H 0 5 0.00 Q814X 2 2 1.00 G178R 0 3 0.00 394delTT 2 2 1.00 E116K 0 2 0.00 406-1G>A 2 2 1.00 875+1G>C 0 2 0.00 R75X 2 2 1.00 V232D 0 2 0.00 CFTRdel2-3 2 2 1.00 D579G 0 2 0.00 E193X 2 2 1.00 L1335P 0 2 0.00 185+1G>T 2 2 1.00 Mild mutations (based on PIP scores) are shaded in gray.

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ABCC7 p.Glu585* 22658665:855:908

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140 Variant distribution in patients aged >20 and <20 years In younger patients, overall PRSS1 variants were 2.9-fold more common (>20 years: 9/239, 3.8%; <20 years: 46/421, 10.9%; p¼0.001, OR 3.1, 95% CI 1.5 to 6.5), whereas overall SPINK1 variants were similarly distributed (56/239, 23.4%; 73/421, Table 2 CFTR variants detected by melting curve analysis Gene Variant Patients Controls p Value OR (95% CI) CFTR (CF-causing, severe) p.F508del 44/660 (6.7%) 48/1758 (2.7%) <0.0001 2.5 (1.7 to 3.9) p.R117H (5T/7T) 2/660 (0.3%) 1/1758 (0.06%) NS e p.G542X 1/660 (0.2%) 1/1758 (0.06%) NS e c.1717-1G>A 3/660 (0.5%) 1/1758 (0.06%) NS e p.E585X 0/660 1/1758 (0.06%) NS e c.2183AA>G 0/660 1/1758 (0.06%) NS e p.R1158X 1/660 (0.2%) 0/1758 NS e p.R1162X 1/660 (0.3%) 0/1758 NS e p.N1303K 3/660 (0.5%) 0/1758 NS e Total 55/660 (8.3%) 53/1758 (3%) <0.0001 2.9 (2 to 4.3) CFTR (CF-causing mild) p.R117H (7T/7T) 13/660 (2%) 8/1758 (0.5%) 0.0009 4.4 (1.8 to 10.7) p.R117H (7T/9T) 3/660 (0.5%) 1/1758 (0.06%) NS e p.R347H 1/660 (0.2%) 0/1758 NS e p.R347P 1/660 (0.2%) 0/1758 NS e p.A455E 1/660 (0.2%) 0/1758 NS e c.2657+5G>A 1/660 (0.2%) 0/1758 NS e p.D1152H 3/660 (0.5%) 5/1758 (0.3%) NS e Total 23/660 (3.5%) 14/1758 (0.8%) <0.0001 4.5 (2.3 to 8.8) CFTR (non CF-causing) p.R74Q 2/660 (0.3%) 0/1758 NS e p.R75Q (het)* 29/660 (4.4%) 59/1758 (3.4%) NS e p.R75Q (hom)* 2/660 (0.3%) 1/1758 (0.06%) NS e p.Y84H 0/660 1/1758 (0.06%) NS e p.A120T 0/660 1/1758 (0.06%) NS e p.I148T* 4/660 (0.6%) 11/1758 (0.6%) NS e p.I507V 1/660 (0.2%) 2/1758 (0.1%) NS e p.F508C 1/660 (0.2%) 0/1758 NS e c.1716+12T>C 0/660 1/1758 (0.06%) NS e p.E528E (het)* 36/660 (5.5%) 82/1758 (4.7%) NS e p.E528E (hom)* 0/660 2/1758 (0.1%) NS e c.1898+8C>G 0/660 1/1758 (0.06%) NS e p.H667Y 1/660 (0.2%) 0/1758 NS e p.R668C 5/660 (0.8%) 3/1758 (0.2%) NS e p.G691R 0/660 1/1758 (0.06%) NS e p.L997F 5/660 (0.8%) 6/1758 (0.3%) NS e p.S1235R 10/660 (1.5%) 18/1758 (1.0%) NS e Total (excluded)* 25/660 (3.8%) 45/1758 (2.6%) NS e CFTR (CF-causing) Total (all) 78/660 (11.8%) 67/1758 (3.8%) <0.0001 3.4 (2.4 to 4.8) CFTR (all) Total (excluded)* 103/660 (15.6%) 112/1758 (6.4%) <0.0001 2.7 (2 to 3.6) The table is divided into three parts.

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ABCC7 p.Glu585* 22427236:140:637

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135 Variant distribution in patients aged >20 and <20 years In younger patients, overall PRSS1 variants were 2.9-fold more common (>20 years: 9/239, 3.8%; <20 years: 46/421, 10.9%; p&#bc;0.001, OR 3.1, 95% CI 1.5 to 6.5), whereas overall SPINK1 variants were similarly distributed (56/239, 23.4%; 73/421, Table 2 CFTR variants detected by melting curve analysis Gene Variant Patients Controls p Value OR (95% CI) CFTR (CF-causing, severe) p.F508del 44/660 (6.7%) 48/1758 (2.7%) <0.0001 2.5 (1.7 to 3.9) p.R117H (5T/7T) 2/660 (0.3%) 1/1758 (0.06%) NS e p.G542X 1/660 (0.2%) 1/1758 (0.06%) NS e c.1717-1G>A 3/660 (0.5%) 1/1758 (0.06%) NS e p.E585X 0/660 1/1758 (0.06%) NS e c.2183AA>G 0/660 1/1758 (0.06%) NS e p.R1158X 1/660 (0.2%) 0/1758 NS e p.R1162X 1/660 (0.3%) 0/1758 NS e p.N1303K 3/660 (0.5%) 0/1758 NS e Total 55/660 (8.3%) 53/1758 (3%) <0.0001 2.9 (2 to 4.3) CFTR (CF-causing mild) p.R117H (7T/7T) 13/660 (2%) 8/1758 (0.5%) 0.0009 4.4 (1.8 to 10.7) p.R117H (7T/9T) 3/660 (0.5%) 1/1758 (0.06%) NS e p.R347H 1/660 (0.2%) 0/1758 NS e p.R347P 1/660 (0.2%) 0/1758 NS e p.A455E 1/660 (0.2%) 0/1758 NS e c.2657+5G>A 1/660 (0.2%) 0/1758 NS e p.D1152H 3/660 (0.5%) 5/1758 (0.3%) NS e Total 23/660 (3.5%) 14/1758 (0.8%) <0.0001 4.5 (2.3 to 8.8) CFTR (non CF-causing) p.R74Q 2/660 (0.3%) 0/1758 NS e p.R75Q (het)* 29/660 (4.4%) 59/1758 (3.4%) NS e p.R75Q (hom)* 2/660 (0.3%) 1/1758 (0.06%) NS e p.Y84H 0/660 1/1758 (0.06%) NS e p.A120T 0/660 1/1758 (0.06%) NS e p.I148T* 4/660 (0.6%) 11/1758 (0.6%) NS e p.I507V 1/660 (0.2%) 2/1758 (0.1%) NS e p.F508C 1/660 (0.2%) 0/1758 NS e c.1716+12T>C 0/660 1/1758 (0.06%) NS e p.E528E (het)* 36/660 (5.5%) 82/1758 (4.7%) NS e p.E528E (hom)* 0/660 2/1758 (0.1%) NS e c.1898+8C>G 0/660 1/1758 (0.06%) NS e p.H667Y 1/660 (0.2%) 0/1758 NS e p.R668C 5/660 (0.8%) 3/1758 (0.2%) NS e p.G691R 0/660 1/1758 (0.06%) NS e p.L997F 5/660 (0.8%) 6/1758 (0.3%) NS e p.S1235R 10/660 (1.5%) 18/1758 (1.0%) NS e Total (excluded)* 25/660 (3.8%) 45/1758 (2.6%) NS e CFTR (CF-causing) Total (all) 78/660 (11.8%) 67/1758 (3.8%) <0.0001 3.4 (2.4 to 4.8) CFTR (all) Total (excluded)* 103/660 (15.6%) 112/1758 (6.4%) <0.0001 2.7 (2 to 3.6) The table is divided into three parts.

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ABCC7 p.Glu585* 22427236:135:636

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84 According to the frequencies in our Table 1: Patient cohort (A), data base characteristics (B), and distribution of CFTR mutations (C) taken from the Bernese CF Registry (n = 178, 87.3% of a total number of 204 CF patients) A Patient cohort follow-up statistics Gender distribution of patients Blood gas tests within age periods n % - males 88 49.4 5 to 8 y 427/1457 29,3% - females 90 50.6 9 to 14 y 527/1457 36.2% 178 100 15 to 18 y 503/1457 34.5% From entire database, 26 patients (12.7%) excluded because of insufficient number of tests, (6) or age < 6 years (20) B Blood gas test and lung function measurement follow-up statistics Number of blood gas tests median (range) Blood gas tests per year of observation Total of tests 1457 1987 to 1993 326/1457 22.4% per child 8.1 (3-15) 1994 to 2000 539/1457 37.0% per year of observation 68.2 (37-90) 2001 to 2008 592/1457 40.6% C Distribution of CFTR mutations n % Inframe/inframe (F508del[2]) a 103 57.9 Inframe/nonsense b 22 12.4 Frameshift/F508del c 19 10.7 Frameshift/non-F508del d 12 6.7 Inframe/splicesite e 7 3.9 Miscellaneous f 15 8.4 Total 178 100.0 Equal distribution of CFTR genotypes over age range and over years of observation CFTR: cystic fibrosis transmembrane regulator population-specific CFTR genotype distribution, the patients were stratified into 6 groups consisting of (a) F508del homozygotes F508del[2| (inframe/inframe): n = 103 (57.9%), (b) R553X, G542X, Q525X and E585X compound heterozygotes with F508del (inframe/nonsense mutations): n = 22, (12.4%), (c) 3905insT compound heterozygotes 3905insT/F508del (frameshift/F508del): n = 19, (10.7%), (d) 3905insT compound heterozygotes with other than F508del (frameshift/non-F508del): n = 12, (6.7%), (e) 1717-1G>A, 621+1G<T and 4005+1G>A compound heterozygotes with F508del (inframe/splicesite): n = 7 (3.9%), and (f) miscellaneous genotypes n = 15, (8.4%).

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ABCC7 p.Glu585* 19909502:84:1444

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60 From the total number of 128 patients with CF we detected both mutations in the majority of them (77), one mutation in 30 Table 2 Distribution of CFTR gene mutations in the group of 128 patients with CF Mutation Number of chromosomes Percent of chromosomes (128 patients, 256 chromosomes) Cumulative frequency F508del 144 56.3% 56.3% G542X 10 3.9% 60.2% W1282X 6 2.3% 62.5% CFTRdele2,3(21 kb) 4 1.6% 64.1% 621+1GNT 2 0.8% 64.8% N1303K 2 0.8% 65.6% 2183AANG 2 0.8% 66.4% R1070Q 2 0.8% 67.2% 457TATNG 1 0.4% 67.6% R117H 1 0.4% 68.0% R334W 1 0.4% 68.4% R735K 1 0.4% 68.8% R785X 1 0.4% 69.1% E831X 1 0.4% 69.5% 3849+10 kb(CNT) 1 0.4% 69.9% R1162X 1 0.4% 70.3% 3272-26ANG 1 0.4% 70.7% 1677delTA 1 0.4% 71.1% 1717-2ANG 1 0.4% 71.5% E585X 1 0.4% 71.9% 2789+5GNA 1 0.4% 72.3% Unknown 71 27.7% 100.0% Total 256 100.0% Fig. 1.

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ABCC7 p.Glu585* 18467194:60:726

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92 Regarding the mutations detected, we noted a moderate heterogeneity with 21 mutations detected, the Table 3 Distribution of genotypes in CF patients from Romania (n=128; 256 chromosomes) Genotype Number Ethnicity F508del/F508del 46 Romanian 42 Hungarian 3 Gypsy 1 F508del/x 25 Romanian 23 Hungarian 1 Turkish-Romanian 1 F508del/G542X 8 Romanian F508del/CFTRdele2,3(21 kb) 4 Romanian 3 Hungarian 1 F508del/W1282X 3 Romanian F508del/F508del/R117H 1 Romanian F508del/R334W 1 Romanian F508del/621+1GNT 1 Romanian F508del/N1303K 1 Romanian F508del/2183AANG 1 Romanian F508del/3849+10 kb(CNT) 1 Romanian F508del/3272-26ANG 1 Romanian F508del/R1162X 1 Romanian F508del/R785X 1 Romanian F508del/1717-2ANG 1 Romanian F508del/2789+5GNA 1 Romanian G542X/G542X 1 Romanian W1282X/W1282X 1 Romanian N1303K/457TATNG 1 Romanian 621+1GNT/2183AANG 1 Romanian W1282X/x 1 Romanian R1070Q/E585X 1 Romanian R1070Q/x 1 Romanian E831X/x 1 Gypsy R735K/x 1 Romanian 1677delTA/x 1 Romanian x/x 21 Romanian 18 Hungarian 2 Gypsy 1 presence of common mutations (excepting the Celtic mutation G551D), and a similarity with the mutations detected in Italy, France and Spain [5].

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ABCC7 p.Glu585* 18467194:92:868

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51 Complete List of Mutations Detectable with the CF APEX Assay CFTR location Amino acid change Nucleotide change 1 E 1 Frameshift 175delC 2 E 2,3 Frameshift del E2, E3 3 E 2 W19C 189 GϾT 4 E 2 Q39X 247 CϾT 5 IVS 2 Possible splicing defect 296 ϩ 12 TϾC 6 E 3 Frameshift 359insT 7 E 3 Frameshift 394delTT 8 E 3 W57X (TAG) 302GϾA 9 E 3 W57X (TGA) 303GϾA 10 E 3 E60X 310GϾT 11 E 3 P67L 332CϾT 12 E 3 R74Q 353GϾA 13 E 3 R75X 355CϾT 14 E 3 G85E 386GϾA 15 E 3 G91R 403GϾA 16 IVS 3 Splicing defect 405 ϩ 1GϾA 17 IVS 3 Possible splicing defect 405 ϩ 3AϾC 18 IVS 3 Splicing defect 406 - 1GϾA 19 E 4 E92X 406GϾT 20 E 4 E92K 406GϾA 21 E 4 Q98R 425AϾG 22 E 4 Q98P 425AϾC 23 E 4 Frameshift 444delA 24 E 4 Frameshift 457TATϾG 25 E 4 R117C 481CϾT 26 E 4 R117H 482GϾA 27 E 4 R117P 482GϾC 28 E 4 R117L 482GϾT 29 E 4 Y122X 498TϾA 30 E 4 Frameshift 574delA 31 E 4 I148T 575TϾC 32 E 4 Splicing defect 621GϾA 33 IVS 4 Splicing defect 621 ϩ 1GϾT 34 IVS 4 Splicing defect 621 ϩ 3AϾG 35 E 5 Frameshift 624delT 36 E 5 Frameshift 663delT 37 E 5 G178R 664GϾA 38 E 5 Q179K 667CϾA 39 IVS 5 Splicing defect 711 ϩ 1GϾT 40 IVS 5 Splicing defect 711 ϩ 1GϾA 41 IVS 5 Splicing defect 712 - 1GϾT 42 E 6a H199Y 727CϾT 43 E 6a P205S 745CϾT 44 E 6a L206W 749TϾG 45 E 6a Q220X 790CϾT 46 E 6b Frameshift 935delA 47 E 6b Frameshift 936delTA 48 E 6b N287Y 991AϾT 49 IVS 6b Splicing defect 1002 - 3TϾG 50 E 7 ⌬F311 3-bp del between nucleotides 1059 and 1069 51 E 7 Frameshift 1078delT 52 E 7 Frameshift 1119delA 53 E 7 G330X 1120GϾT 54 E 7 R334W 1132CϾT 55 E 7 I336K 1139TϾA 56 E 7 T338I 1145CϾT 57 E 7 Frameshift 1154insTC 58 E 7 Frameshift 1161delC 59 E 7 L346P 1169TϾC 60 E 7 R347H 1172GϾA 61 E 7 R347P 1172GϾC 62 E 7 R347L 1172GϾT 63 E 7 R352Q 1187GϾA 64 E 7 Q359K/T360K 1207CϾA and 1211CϾA 65 E 7 S364P 1222TϾC 66 E 8 Frameshift 1259insA 67 E 8 W401X (TAG) 1334GϾA 68 E 8 W401X (TGA) 1335GϾA 69 IVS 8 Splicing changes 1342 - 6 poly(T) variants 5T/7T/9T 70 IVS 8 Splicing defect 1342 - 2AϾC Table 1. Continued CFTR location Amino acid change Nucleotide change 71 E 9 A455E 1496CϾA 72 E 9 Frameshift 1504delG 73 E 10 G480C 1570GϾT 74 E 10 Q493X 1609CϾT 75 E 10 Frameshift 1609delCA 76 E 10 ⌬I507 3-bp del between nucleotides 1648 and 1653 77 E 10 ⌬F508 3-bp del between nucleotides 1652 and 1655 78 E 10 Frameshift 1677delTA 79 E 10 V520F 1690GϾT 80 E 10 C524X 1704CϾA 81 IVS 10 Possible splicing defect 1717 - 8GϾA 82 IVS 10 Splicing defect 1717 - 1GϾA 83 E 11 G542X 1756GϾT 84 E 11 G551D 1784GϾA 85 E 11 Frameshift 1784delG 86 E 11 S549R (AϾC) 1777AϾC 87 E 11 S549I 1778GϾT 88 E 11 S549N 1778GϾA 89 E 11 S549R (TϾG) 1779TϾG 90 E 11 Q552X 1786CϾT 91 E 11 R553X 1789CϾT 92 E 11 R553G 1789CϾG 93 E 11 R553Q 1790GϾA 94 E 11 L558S 1805TϾC 95 E 11 A559T 1807GϾA 96 E 11 R560T 1811GϾC 97 E 11 R560K 1811GϾA 98 IVS 11 Splicing defect 1811 ϩ 1.6 kb AϾG 99 IVS 11 Splicing defect 1812 - 1GϾA 100 E 12 Y563D 1819TϾG 101 E 12 Y563N 1819TϾA 102 E 12 Frameshift 1833delT 103 E 12 D572N 1846GϾA 104 E 12 P574H 1853CϾA 105 E 12 T582R 1877CϾG 106 E 12 E585X 1885GϾT 107 IVS 12 Splicing defect 1898 ϩ 5GϾT 108 IVS 12 Splicing defect 1898 ϩ 1GϾA 109 IVS 12 Splicing defect 1898 ϩ 1GϾC 110 IVS 12 Splicing defect 1898 ϩ 1GϾT 111 E 13 Frameshift 1924del7 112 E 13 del of 28 amino acids 1949del84 113 E 13 I618T 1985TϾC 114 E 13 Frameshift 2183AAϾG 115 E 13 Frameshift 2043delG 116 E 13 Frameshift 2055del9ϾA 117 E 13 D648V 2075TϾA 118 E 13 Frameshift 2105-2117 del13insAGAA 119 E 13 Frameshift 2108delA 120 E 13 R668C 2134CϾT 121 E 13 Frameshift 2143delT 122 E 13 Frameshift 2176insC 123 E 13 Frameshift 2184delA 124 E 13 Frameshift 2184insA 125 E 13 Q685X 2185CϾT 126 E 13 R709X 2257CϾT 127 E 13 K710X 2260AϾT 128 E 13 Frameshift 2307insA 129 E 13 V754M 2392GϾA 130 E 13 R764X 2422CϾT 131 E 14a W846X 2670GϾA 132 E 14a Frameshift 2734delGinsAT 133 E 14b Frameshift 2766del8 134 IVS 14b Splicing defect 2789 ϩ 5GϾA 135 IVS 14b Splicing defect 2790 - 2AϾG 136 E 15 Q890X 2800CϾT 137 E 15 Frameshift 2869insG 138 E 15 S945L 2966CϾT 139 E 15 Frameshift 2991del32 140 E 16 Splicing defect 3120GϾA interrogation: ACCAACATGTTTTCTTTGATCTTAC 3121-2A3G,T S; 5Ј-ACCAACATGTTTTCTTTGATCTTAC A GTTGTTATTAATTGTGATTGGAGCTATAG-3Ј; CAACAA- TAATTAACACTAACCTCGA 3121-2A3G,T AS.

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ABCC7 p.Glu585* 16049310:51:3567

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150 Primers Generated to Create Synthetic Templates That Serve As Positive Mutation Controls Primer name Sense strand 5Ј 3 3Ј Name Antisense strand 5Ј 3 3Ј 175delC synt F T(15)ATTTTTTTCAGGTGAGAAGGTGGCCA 175delC synt R T(15)ATTTGGAGACAACGCTGGCCTTTTCC W19C synt F T(15)TACCAGACCAATTTTGAGGAAAGGAT W19C synt R T(15)ACAGCTAAAATAAAGAGAGGAGGAAC Q39X synt F T(15)TAAATCCCTTCTGTTGATTCTGCTGA Q39X synt R T(15)AGTATATGTCTGACAATTCCAGGCGC 296 ϩ 12TϾC synt F T(15)CACATTGTTTAGTTGAAGAGAGAAAT 296 ϩ 12TϾC synt R T(15)GCATGAACATACCTTTCCAATTTTTC 359insT synt F T(15)TTTTTTTCTGGAGATTTATGTTCTAT 359insT synt R T(15)AAAAAAACATCGCCGAAGGGCATTAA E60X synt F T(15)TAGCTGGCTTCAAAGAAAAATCCTAA E60X synt R T(15)ATCTATCCCATTCTCTGCAAAAGAAT P67L synt F T(15)TTAAACTCATTAATGCCCTTCGGCGA P67L synt R T(15)AGATTTTTCTTTGAAGCCAGCTCTCT R74Q synt F T(15)AGCGATGTTTTTTCTGGAGATTTATG R74Q synt R T(15)TGAAGGGCATTAATGAGTTTAGGATT R75X synt F T(15)TGATGTTTTTTCTGGAGATTTATGTT R75X synt R T(15)ACCGAAGGGCATTAATGAGTTTAGGA W57X(TAG) synt F T(15)AGGATAGAGAGCTGGCTTCAAAGAAA W57X(TAG) synt R T(15)TATTCTCTGCAAAAGAATAAAAAGTG W57X(TGA) synt F T(15)AGATAGAGAGCTGGCTTCAAAGAAAA W57X(TGA) synt R T(15)TCATTCTCTGCAAAAGAATAAAAAGT G91R synt F T(15)AGGGTAAGGATCTCATTTGTACATTC G91R synt R T(15)TTAAATATAAAAAGATTCCATAGAAC 405 ϩ 1GϾA synt F T(15)ATAAGGATCTCATTTGTACATTCATT 405 ϩ 1GϾA synt R T(15)TCCCTAAATATAAAAAGATTCCATAG 405 ϩ 3AϾC synt F T(15)CAGGATCTCATTTGTACATTCATTAT 405 ϩ 3AϾC synt R T(15)GACCCCTAAATATAAAAAGATTCCAT 406 - 1GϾA synt F T(15)AGAAGTCACCAAAGCAGTACAGCCTC 406 - 1GϾA synt R T(15)TTACAAAAGGGGAAAAACAGAGAAAT E92X synt F T(15)TAAGTCACCAAAGCAGTACAGCCTCT E92X synt R T(15)ACTACAAAAGGGGAAAAACAGAGAAA E92K synt F T(15)AAAGTCACCAAAGCAGTACAGCCTCT E92K synt R T(15)TCTACAAAAGGGGAAAAACAGAGAAA 444delA synt F T(15)GATCATAGCTTCCTATGACCCGGATA 444delA synt R T(15)ATCTTCCCAGTAAGAGAGGCTGTACT 574delA synt F T(15)CTTGGAATGCAGATGAGAATAGCTAT 574delA synt R T(15)AGTGATGAAGGCCAAAAATGGCTGGG 621GϾA synt F T(15)AGTAATACTTCCTTGCACAGGCCCCA 621GϾA synt R T(15)TTTCTTATAAATCAAACTAAACATAG Q98P synt F T(15)CGCCTCTCTTACTGGGAAGAATCATA Q98P synt R T(15)GGTACTGCTTTGGTGACTTCCTACAA 457TATϾG synt F T(15)GGACCCGGATAACAAGGAGGAACGCT 457TATϾG synt R T(15)CGGAAGCTATGATTCTTCCCAGTAAG I148T synt F T(15)CTGGAATGCAGATGAGAATAGCTATG I148T synt R T(15)GTGTGATGAAGGCCAAAAATGGCTGG 624delT synt F T(15)CTTAAAGCTGTCAAGCCGTGTTCTAG 624delT synt R T(15)TAAGTCTAAAAGAAAAATGGAAAGTT 663delT synt F T(15)ATGGACAACTTGTTAGTCTCCTTTCC 663delT synt R T(15)CATACTTATTTTATCTAGAACACGGC G178R synt F T(15)AGACAACTTGTTAGTCTCCTTTCCAA G178R synt R T(15)TAATACTTATTTTATCTAGAACACGG Q179K synt F T(15)AAACTTGTTAGTCTCCTTTCCAACAA Q179K synt R T(15)TTCCAATACTTATTTTATCTAGAACA 711 ϩ 5GϾA synt F T(15)ATACCTATTGATTTAATCTTTTAGGC 711 ϩ 5GϾA synt R T(15)TTATACTTCATCAAATTTGTTCAGGT 712 - 1GϾT synt F T(15)TGGACTTGCATTGGCACATTTCGTGT 712 - 1GϾT synt R T(15)TATGGAAAATAAAAGCACAGCAAAAAC H199Y synt F T(15)TATTTCGTGTGGATCGCTCCTTTGCA H199Y synt R T(15)TATGCCAATGCTAGTCCCTGGAAAATA P205S synt F T(15)TCTTTGCAAGTGGCACTCCTCATGGG P205S synt R T(15)TAAGCGATCCACACGAAATGTGCCAAT L206W synt F T(15)GGCAAGTGGCACTCCTCATGGGGCTA L206W synt R T(15)TCAAGGAGCGATCCACACGAAATGTGC Q220X synt F T(15)TAGGCGTCTGCTTTCTGTGGACTTGG Q220X synt R T(15)TATAACAACTCCCAGATTAGCCCCATG 936delTA synt F T(15)AATCCAATCTGTTAAGGCATACTGCT 936delTA synt R T(15)TGATTTTCAATCATTTCTGAGGTAATC 935delA synt F T(15)GAAATATCCAATCTGTTAAGGCATAC 935delA synt R T(15)TATTTCAATCATTTCTGAGGTAATCAC N287Y synt F T(15)TACTTAAGACAGTAAGTTGTTCCAAT N287Y synt R T(15)TATTCAATCATTTTTTCCATTGCTTCT 1002 - 3TϾG synt F T(15)GAGAACAGAACTGAAACTGACTCGGA 1002 - 3TϾG synt R T(15)TCTAAAAAACAATAACAATAAAATTCA 1154insTC syntwt F T(15)ATCTCATTCTGCATTGTTCTGCGCAT 1154insTC syntwt R T(15)TTGAGATGGTGGTGAATATTTTCCGGA 1154insTC syntmt F T(15)TCTCTCATTCTGCATTGTTCTGCGCAT 1154insTC syntmt R T(15)TAGAGATGGTGGTGAATATTTTCCGGA DF311 mt syntV1 F T(15)CCTTCTTCTCAGGGTTCTTTGTGGTG dF311 mt syntV1 R T(15)GAGAAGAAGGCTGAGCTATTGAAGTATC G330X synt F T(15)TGAATCATCCTCCGGAAAATATTCAC G330X synt R T(15)ATTTGATTAGTGCATAGGGAAGCACA S364P synt F T(15)CCTCTTGGAGCAATAAACAAAATACA S364P synt R T(15)GGTCATACCATGTTTGTACAGCCCAG Q359K/T360K mt synt F T(15)AAAAAATGGTATGACTCTCTTGGAGC Q359K/T360K mt synt R T(15)TTTTTTACAGCCCAGGGAAATTGCCG 1078delT synt F T(15)CTTGTGGTGTTTTTATCTGTGCTTCC 1078delT synt R T(15)CAAGAACCCTGAGAAGAAGAAGGCTG 1119delA synt F T(15)CAAGGAATCATCCTCCGGAAAATATT 1119delA synt R T(15)CTTGATTAGTGCATAGGGAAGCACAG 1161delC synt F T(15)GATTGTTCTGCGCATGGCGGTCACTC 1161delC synt R T(15)TCAGAATGAGATGGTGGTGAATATTT T338I synt F T(15)TCACCATCTCATTCTGCATTGTTCTG T338I synt R T(15)ATGAATATTTTCCGGAGGATGATTCC R352Q synt F T(15)AGCAATTTCCCTGGGCTGTACAAACA R352Q synt R T(15)TGAGTGACCGCCATGCGCAGAACAAT L346P synt F T(15)CGCGCATGGCGGTCACTCGGCAATTT L346P synt R T(15)GGAACAATGCAGAATGAGATGGTGGT 1259insA synt F T(15)AAAAAGCAAGAATATAAGACATTGGA 1259insA synt R T(15)TTTTTGTAAGAAATCCTATTTATAAA W401X(TAG)mtsynt F T(15)AGGAGGAGGTCAGAATTTTTAAAAAA W401X(TAG)mtsynt R T(15)TAGAAGGCTGTTACATTCTCCATCAC W401X(TGA) synt F T(15)AGAGGAGGTCAGAATTTTTAAAAAAT W401X(TGA) synt R T(15)TCAGAAGGCTGTTACATTCTCCATCA 1342 - 2AϾC synt F T(15)CGGGATTTGGGGAATTATTTGAGAAA 1342 - 2AϾC synt R T(15)GGTTAAAAAAACACACACACACACAC 1504delG synt F T(15)TGATCCACTGTAGCAGGCAAGGTAGT 1504delG synt R T(15)TCAGCAACCGCCAACAACTGTCCTCT G480C synt F T(15)TGTAAAATTAAGCACAGTGGAAGAAT G480C synt R T(15)ACTCTGAAGGCTCCAGTTCTCCCATA C524X synt F T(15)ACAACTAGAAGAGGTAAGAAACTATG C524X synt R T(15)TCATGCTTTGATGACGCTTCTGTATC V520F synt F T(15)TTCATCAAAGCAAGCCAACTAGAAGA V520F synt R T(15)AGCTTCTGTATCTATATTCATCATAG 1609delCA synt F T(15)TGTTTTCCTGGATTATGCCTGGCACC 1609delCA synt R T(15)CAGAACAGAATGAAATTCTTCCACTG 1717 - 8GϾA synt F T(15)AGTAATAGGACATCTCCAAGTTTGCA 1717 - 8GϾA synt R T(15)TAAAAATAGAAAATTAGAGAGTCACT 1784delG synt F T(15)AGTCAACGAGCAAGAATTTCTTTAGC 1784delG synt R T(15)ACTCCACTCAGTGTGATTCCACCTTC A559T synt F T(15)ACAAGGTGAATAACTAATTATTGGTC A559T synt R T(15)TTAAAGAAATTCTTGCTCGTTGACCT Q552X synt F T(15)TAACGAGCAAGAATTTCTTTAGCAAG Q552X synt R T(15)AACCTCCACTCAGTGTGATTCCACCT S549R(AϾC) synt F T(15)CGTGGAGGTCAACGAGCAAGAATTTC S549R(AϾC) synt R T(15)GCAGTGTGATTCTACCTTCTCCAAGA S549R(TϾG) synt F T(15)GGGAGGTCAACGAGCAAGTATTTC S549R(TϾG) synt R T(15)CCTCAGTGTGATTCCACCTTCTCCAA L558S synt F T(15)CAGCAAGGTGAATAACTAATTATTGG L558S synt R T(15)GAAGAAATTCTCGCTCGTTGACCTCC 1811 ϩ 1.6 kb AϾG synt F T(15)GTAAGTAAGGTTACTATCAATCACAC 1811 ϩ 1.6 kb AϾG synt R T(15)CATCTCAAGTACATAGGATTCTCTGT 1812 - 1GϾA synt F T(15)AAGCAGTATACAAAGATGCTGATTTG 1812 - 1GϾA synt R T(15)TTAAAAAGAAAATGGAAATTAAATTA D572N synt F T(15)AACTCTCCTTTTGGATACCTAGATGT D572N synt R T(15)TTAATAAATACAAATCAGCATCTTTG P574H synt F T(15)ATTTTGGATACCTAGATGTTTTAACA P574H synt R T(15)TGAGAGTCTAATAAATACAAATCAGC 1833delT synt F T(15)ATTGTATTTATTAGACTCTCCTTTTG 1833delT synt R T(15)CAATCAGCATCTTTGTATACTGCTCT Table 4. Continued Primer name Sense strand 5Ј 3 3Ј Name Antisense strand 5Ј 3 3Ј Y563D synt F T(15)GACAAAGATGCTGATTTGTATTTATT Y563D synt R T(15)CTACTGCTCTAAAAAGAAAATGGAAA T582R synt F T(15)GAGAAAAAGAAATATTTGAAAGGTAT T582R synt R T(15)CTTAAAACATCTAGGTATCCAAAAGG E585X synt F T(15)TAAATATTTGAAAGGTATGTTCTTTG E585X synt R T(15)ATTTTTCTGTTAAAACATCTAGGTAT 1898 ϩ 5GϾT synt F T(15)TTTCTTTGAATACCTTACTTATATTG 1898 ϩ 5GϾT synt R T(15)AATACCTTTCAAATATTTCTTTTTCT 1924del7 synt F T(15)CAGGATTTTGGTCACTTCTAAAATGG 1924del7 synt R T(15)CTGTTAGCCATCAGTTTACAGACACA 2055del9ϾA synt F T(15)ACATGGGATGTGATTCTTTCGACCAA 2055del9ϾA synt R T(15)TCTAAAGTCTGGCTGTAGATTTTGGA D648V synt F T(15)TTTCTTTCGACCAATTTAGTGCAGAA D648V synt R T(15)ACACATCCCATGAGTTTTGAGCTAAA K710X synt F T(15)TAATTTTCCATTGTGCAAAAGACTCC K710X synt R T(15)ATCGTATAGAGTTGATTGGATTGAGA I618T synt F T(15)CTTTGCATGAAGGTAGCAGCTATTTT I618T synt R T(15)GTTAATATTTTGTCAGCTTTCTTTAA R764X synt F T(15)TGAAGGAGGCAGTCTGTCCTGAACCT R764X synt R T(15)ATGCCTGAAGCGTGGGGCCAGTGCTG Q685X synt F T(15)TAATCTTTTAAACAGACTGGAGAGTT Q685X synt R T(15)ATTTTTTTGTTTCTGTCCAGGAGACA R709X synt F T(15)TGAAAATTTTCCATTGTGCAAAAGAC R709X synt R T(15)ATATAGAGTTGATTGGATTGAGAATA V754M synt F T(15)ATGATCAGCACTGGCCCCACGCTTCA V754M synt R T(15)TGCTGATGCGAGGCAGTATCGCCTCT 1949del84 synt F T(15)AAAAATCTACAGCCAGACTTTATCTC 1949del84 synt R T(15)TTTTTAGAAGTGACCAAAATCCTAGT 2108delA synt F T(15)GAATTCAATCCTAACTGAGACCTTAC 2108delA synt R T(15)ATTCTTCTTTCTGCACTAAATTGGTC 2176insC synt F T(15)CCAAAAAAACAATCTTTTAAACAGACTGGAGAG 2176insC synt R T(15)GGTTTCTGTCCAGGAGACAGGAGCAT 2184delA synt F T(15)CAAAAAACAATCTTTTAAACAGACTGG 2184delA synt R T(15)GTTTTTTGTTTCTGTCCAGGAGACAG 2105-2117 del13 synt F T(15)AAACTGAGACCTTACACCGTTTCTCA 2105-2117 del13 synt R T(15)TTTCTTTCTGCACTAAATTGGTCGAA 2307insA synt F T(15)AAAGAGGATTCTGATGAGCCTTTAGA 2307insA synt R T(15)TTTCGATGCCATTCATTTGTAAGGGA W846X synt F T(15)AAACACATACCTTCGATATATTACTGTCCAC W846X synt R T(15)TCATGTAGTCACTGCTGGTATGCTCT 2734G/AT synt F T(15)TTAATTTTTCTGGCAGAGGTAAGAAT 2734G/AT synt R T(15)TTAAGCACCAAATTAGCACAAAAATT 2766del8 synt F T(15)GGTGGCTCCTTGGAAAGTGAGTATTC 2766del8 synt R T(15)CACCAAAGAAGCAGCCACCTGGAATGG 2790 - 2AϾG synt F T(15)GGCACTCCTCTTCAAGACAAAGGGAA 2790 - 2AϾG synt R T(15)CGTAAAGCAAATAGGAAATCGTTAAT 2991del32 synt F T(15)TTCAACACGTCGAAAGCAGGTACTTT 2991del32 synt R T(15)AAACATTTTGTGGTGTAAAATTTTCG Q890X synt F T(15)TAAGACAAAGGGAATAGTACTCATAG Q890X synt R T(15)AAAGAGGAGTGCTGTAAAGCAAATAG 2869insG synt F T(15)GATTATGTGTTTTACATTTACGTGGG 2869insG synt R T(15)CACGAACTGGTGCTGGTGATAATCAC 3120GϾA synt F T(15)AGTATGTAAAAATAAGTACCGTTAAG 3120GϾA synt R T(15)TTGGATGAAGTCAAATATGGTAAGAG 3121 - 2AϾT synt F T(15)TGTTGTTATTAATTGTGATTGGAGCT 3121 - 2AϾT synt R T(15)AGTAAGATCAAAGAAAACATGTTGGT 3132delTG synt F T(15)TTGATTGGAGCCATAGCAGTTGTCGC 3132delTG synt R T(15)AATTAATAACAACTGTAAGATCAAAG 3271delGG synt F T(15)ATATGACAGTGAATGTGCGATACTCA 3271delGG synt R T(15)ATTCAGATTCCAGTTGTTTGAGTTGC 3171delC synt F T(15)ACCTACATCTTTGTTGCAACAGTGCC 3171delC synt R T(15)AGGTTGTAAAACTGCGACAACTGCTA 3171insC synt F T(15)CCCCTACATCTTTGTTGCTACAGTGC 3171insC synt R T(15)GGGGTTGTAAAACTGCGACAACTGCT 3199del6 synt F T(15)GAGTGGCTTTTATTATGTTGAGAGCATAT 3199del6 synt R T(15)CCACTGGCACTGTTGCAACAAAGATG M1101K synt F T(15)AGAGAATAGAAATGATTTTTGTCATC M1101K synt R T(15)TTTTGGAACCAGCGCAGTGTTGACAG G1061R synt F T(15)CGACTATGGACACTTCGTGCCTTCGG G1061R synt R T(15)GTTTTAAGCTTGTAACAAGATGAGTG R1066L synt F T(15)TTGCCTTCGGACGGCAGCCTTACTTT R1066L synt R T(15)AGAAGTGTCCATAGTCCTTTTAAGCT R1070P synt F T(15)CGCAGCCTTACTTTGAAACTCTGTTC R1070P synt R T(15)GGTCCGAAGGCACGAAGTGTCCATAG L1077P synt F T(15)CGTTCCACAAAGCTCTGAATTTACAT L1077P synt R T(15)GGAGTTTCAAAGTAAGGCTGCCGTCC W1089X synt F T(15)AGTTCTTGTACCTGTCAACACTGCGC W1089X synt R T(15)TAGTTGGCAGTATGTAAATTCAGAGC L1093P synt F T(15)CGTCAACACTGCGCTGGTTCCAAATG L1093P synt R T(15)GGGTACAAGAACCAGTTGGCAGTATG W1098R synt F T(15)CGGTTCCAAATGAGAATAGAAATGAT W1098R synt R T(15)GGCGCAGTGTTGACAGGTACAAGAAC Q1100P synt F T(15)CAATGAGAATAGAAATGATTTTTGTC Q1100P synt R T(15)GGGAACCAGCGCAGTGTTGACAGGTA D1152H synt F T(15)CATGTGGATAGCTTGGTAAGTCTTAT D1152H synt R T(15)GTATGCTGGAGTTTACAGCCCACTGC R1158X synt F T(15)TGATCTGTGAGCCGAGTCTTTAAGTT R1158X synt R T(15)ACATCTGAAATAAAAATAACAACATT S1196X synt F T(15)GACACGTGAAGAAAGATGACATCTGG S1196X synt R T(15)CAATTCTCAATAATCATAACTTTCGA 3732delA synt F T(15)GGAGATGACATCTGGCCCTCAGGGGG 3732delA synt R T(15)CTCCTTCACGTGTGAATTCTCAATAA 3791delC synt F T(15)AAGAAGGTGGAAATGCCATATTAGAG 3791delC synt R T(15)TTGTATTTTGCTGTGAGATCTTTGAC 3821delT synt F T(15)ATTCCTTCTCAATAAGTCCTGGCCAG 3821delT synt R T(15)GAATGTTCTCTAATATGGCATTTCCA Q1238X synt F T(15)TAGAGGGTGAGATTTGAACACTGCTT Q1238X synt R T(15)AGCCAGGACTTATTGAGAAGGAAATG S1255X (ex19)synt F T(15)GTCTGGCCCTCAGGGGGCCAAATGAC S1255X (ex19) synt R T(15)CGTCATCTTTCTTCACGTGTGAATTC S1255X;L synt F T(15)AAGCTTTTTTGAGACTACTGAACACT S1255X;L synt R T(15)TATAACAAAGTAATCTTCCCTGATCC 3849 ϩ 4AϾG synt F T(15)GGATTTGAACACTGCTTGCTTTGTTA 3849 ϩ 4AϾG synt R T(15)CCACCCTCTGGCCAGGACTTATTGAG 3850 - 1GϾA synt F T(15)AGTGGGCCTCTTGGGAAGAACTGGAT 3850 - 1GϾA synt R T(15)TTATAAGGTAAAAGTGATGGGATCAC 3905insT synt F T(15)TTTTTTTGAGACTACTGAACACTGAA 3905insT synt R T(15)AAAAAAAGCTGATAACAAAGTACTCT 3876delA synt F T(15)CGGGAAGAGTACTTTGTTATCAGCTT 3876delA synt R T(15)CGATCCAGTTCTTCCCAAGAGGCCCA G1244V synt F T(15)TAAGAACTGGATCAGGGAAGAGTACT G1244V synt R T(15)ACCAAGAGGCCCACCTATAAGGTAAA G1249E synt F T(15)AGAAGAGTACTTTGTTATCAGCTTTT G1249E synt R T(15)TCTGATCCAGTTCTTCCCAAGAGGCC S1251N synt F T(15)ATACTTTGTTATCAGCTTTTTTGAGACTACTG S1251N synt R T(15)TTCTTCCCTGATCCAGTTCTTCCCAA S1252P synt F T(15)CCTTTGTTATCAGCTTTTTTGAGACT S1252P synt R T(15)GACTCTTCCCTGATCCAGTTCTTCCC D1270N synt F T(15)AATGGTGTGTCTTGGGATTCAATAAC D1270N synt R T(15)TGATCTGGATTTCTCCTTCAGTGTTC W1282R synt F T(15)CGGAGGAAAGCCTTTGGAGTGATACC W1282R synt R T(15)GCTGTTGCAAAGTTATTGAATCCCAA R1283K synt F T(15)AGAAAGCCTTTGGAGTGATACCACAG R1283K synt R T(15)TTCCACTGTTGCAAAGTTATTGAATC 4005 ϩ 1GϾA synt F T(15)ATGAGCAAAAGGACTTAGCCAGAAAA 4005 ϩ 1GϾA synt R T(15)TCTGTGGTATCACTCCAAAGGCTTTC 4010del4 synt F T(15)GTATTTTTTCTGGAACATTTAGAAAAAACTTGG 4010del4 synt R T(15)AAAATACTTTCTATAGCAAAAAAGAAAAGAAGAA 4016insT synt F T(15)TTTTTTTCTGGAACATTTAGAAAAAACTTGG 4016insT synt R T(15)AAAAAAATAAATACTTTCTATAGCAAAAAAGAAAAGAAGA CFTRdele21 synt F T(15)TAGGTAAGGCTGCTAACTGAAATGAT CFTRdele21 synt R T(15)CCTATAGCAAAAAAGAAAAGAAGAAGAAAGTATG 4382delA synt F T(15)GAGAGAACAAAGTGCGGCAGTACGAT 4382delA synt R T(15)CTCTATGACCTATGGAAATGGCTGTT Bold, mutation allele of interest; bold and italicized, modified nucleotide.

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ABCC7 p.Glu585* 16049310:150:7332

status: NEW

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ABCC7 p.Glu585* 16049310:150:7377

status: NEW

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98 Spectrum of CFTR Sequence Variants in 257 Hispanic Patients Who Underwent Diagnostic DNA Testing for CF Mutations in 257 patients Allele counts of each mutation % of variant alleles (183) % of all alleles tested (514) ACMG/ACOG recommended 25 mutation panel* DeltaF508 53 28.96 10.31 G542X 7 3.83 1.36 R334W 2 1.09 0.39 R553X 2 1.09 0.39 DeltaI507 1 0.55 0.19 1717 - 1 GϾA 1 0.55 0.19 3120 ϩ 1 GϾA 1 0.55 0.19 7 different mutations 67 36.61 13.04 All mutations included ACMG/ACOG 1248 ϩ 1 GϾA 1 0.55 0.19 1249 - 29delAT 1 0.55 0.19 1288insTA1288insTA 1 0.55 0.19 1341 ϩ 80 GϾA1341 ϩ 80 GϾA 1 0.55 0.19 1429del71429del7 1 0.55 0.19 1525 - 42 GϾA1525 - 42 GϾA 1 0.55 0.19 1717 - 1 GϾA 1 0.55 0.19 1717 - 8 GϾA 2 1.09 0.39 1811 ϩ 1 GϾA1811 ϩ 1 GϾA 1 0.55 0.19 2055del9-ϾA 3 1.64 0.58 2105-2117del13insAGAAA 1 0.55 0.19 2215insG 1 0.55 0.19 2585delT2585delT 1 0.55 0.19 2752 - 6 TϾC 1 0.55 0.19 296 ϩ 28 AϾG 1 0.55 0.19 3120 ϩ 1 GϾ A 1 0.55 0.19 3271 ϩ 8 AϾG3271 ϩ 8 AϾG 1 0.55 0.19 3271delGG 1 0.55 0.19 3272 - 26 AϾG 2 1.09 0.39 3876delA 2 1.09 0.39 4016insT 1 0.55 0.19 406 - 1 GϾA 6 3.28 1.17 406 - 6 TϾC 1 0.55 0.19 4374 ϩ 13 A ϾG 1 0.55 0.19 663delT 1 0.55 0.19 874insTACA874insTACA 1 0.55 0.19 A1009T 2 1.09 0.39 A559T 1 0.55 0.19 D1152H 1 0.55 0.19 D1270N 3 1.64 0.58 D1445N 2 1.09 0.39 D836Y 1 0.55 0.19 DeltaF311 1 0.55 0.19 DeltaF508 53 28.96 10.31 DeltaI507 1 0.55 0.19 E116K 2 1.09 0.39 E585X 1 0.55 0.19 E588VE588V 2 1.09 0.39 E831X 1 0.55 0.19 F311L 1 0.55 0.19 F693L 1 0.55 0.19 G1244E 1 0.55 0.19 G542X 7 3.83 1.36 G576A 1 0.55 0.19 H199Y 3 1.64 0.58 I1027T 3 1.64 0.58 I285FI285F 1 0.55 0.19 L206W 3 1.64 0.58 L320V 1 0.55 0.19 L967S 1 0.55 0.19 L997F 3 1.64 0.58 P1372LP1372L 1 0.55 0.19 P205S 1 0.55 0.19 P439SP439S 1 0.55 0.19 Q1313X 1 0.55 0.19 Q890X 2 1.09 0.39 Q98R 1 0.55 0.19 R1066C 1 0.55 0.19 R1066H 1 0.55 0.19 (Table continues) missense variant, I1027T (3212TϾC), in exon 17a.25 Family studies have not been performed to identify which allele carries two mutations.

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ABCC7 p.Glu585* 15858154:98:1588

status: NEW

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186 Table 3. Continued CFTR mutations Alleles Relative mutation frequency (%) (of 317) G567A 1 Ͻ1 S573C 1 Ͻ1 E585X 1 Ͻ1 T604S 1 Ͻ1 F693L 1 Ͻ1 V754 mol/L 1 Ͻ1 2108delA 1 Ͻ1 2184delA 1 Ͻ1 2215insG 1 Ͻ1 2585delT 1 Ͻ1 2752 - 6TϾC 1 Ͻ1 E831X 1 Ͻ1 D836Y 1 Ͻ1 Y913X 1 Ͻ1 S945L 1 Ͻ1 L967S 1 Ͻ1 3171delC 1 Ͻ1 3199del6 1 Ͻ1 3271 ϩ 8AϾG 1 Ͻ1 R1066H 1 Ͻ1 R1070W 1 Ͻ1 Y1092X 1 Ͻ1 W1098C 1 Ͻ1 3500 - 2AϾT 1 Ͻ1 4016insT 1 Ͻ1 4374 ϩ 13AϾG 1 Ͻ1 D1152H 1 Ͻ1 R1158X 1 Ͻ1 R1162X 1 Ͻ1 W1282X 1 Ͻ1 N1303K 1 Ͻ1 Q1313X 1 Ͻ1 P1372L 1 Ͻ1 R1438W 1 Ͻ1 Total 317 100 Table 3.

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ABCC7 p.Glu585* 15858154:186:117

status: NEW

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68 of chromosomes (frequency %) p.M1V 1 1 (0.23) p.M1K 1 1 (0.23) c.300delA 3 1 (0.23) p.P67L 3 1 (0.23) c.359insT 3 1 (0.23) p.G85E 3 3 (0.70) c.394delTT 3 1 (0.23) p.Q98R 4 1 (0.23) p.R117H 4 2 (0.47) p.Y122X 4 2 (0.47) p.Y161N 4 1 (0.23) c.621+1GNT intron 4 1 (0.23) c.621+2TNG intron 4 1 (0.23) p.I175V 5 2 (0.47) c.711+1GNT intron 5 5 (1.16) p.L206W 6 3 (0.70) p.Q220X 6 1 (0.23) p.L227R 6 1 (0.23) c.1078delT 7 2 (0.47) p.R334W 7 7 (1.63) p.R347P 7 2 (0.47) c.1215delG 7 1 (0.23) c.T5 intron 8 1 (0.23) p.D443Y 9 1 (0.23) p.I506T 10 1 (0.23) p.I507del 10 4 (0.93) p.F508del 10 259 (60.23) p.F508C 10 1 (0.23) c.1677delTA 10 1 (0.23) c.1717-8GNA intron 10 1 (0.23) c.1717-1GNA intron 10 6 (1.40) p.G542X 11 23 (5.35) p.S549R 11 1 (0.23) p.G551D 11 2 (0.47) p.R553X 11 1 (0.23) c1811+1.6kbANG intron 11 4 (0.93) c.1812-1GNA intron 11 1 (0.23) p.T582I 12 1 (0.23) p.E585X 12 2 (0,47) c.1898+1GNA intron 12 1 (0.23) [c.1898+5GNA ;p.E725K] intron 12 1 (0.23) c.1898+73TNG intron 12 1 (0.23) c.2183AANG 13 4 (0.93) c.2184insA 13 1 (0.23) p.K710X 13 4 (0.93) c.2423delG 13 1 (0.23) p.S776X 13 1 (0.23) c.2493ins8 13 1 (0.23) p.R792X 13 1 (0.23) p.K830X 13 1 (0.23) p.D836Y 14a 1 (0.23) p.W846X1 14a 1 (0.23) c.2711delT 14a 1 (0.23) c.2789+5GNA intron 14b 3 (0.70) p.S945L 15 3 (0.70) p.D993Y 16 1 (0.23) c.3129del4 17a 1 (0.23) c.3195del6 17a 1 (0.23) c.3272-26ANG intron 17a 1 (0.23) [c.3395insA ;pI148T] 17b/4 1 (0,23) p.Y1092X 17b 3 (0.70) Table 1 (continued) Mutation Location exon/intron No.

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ABCC7 p.Glu585* 15698946:68:866

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78 Relationship Between the CFTR Genotype and Cl- Channel Function in Native Rectal Epithelia CFTR genotype Number of individuals Sweat Cl-concentration (mmol/L)a cAMP-mediated response Carbachol-induced plateau response or maximal lumen-negative response Isc-cAMP (␮A/cm2) Cl- secretion (% of control) Isc-carbachol (␮A/cm2) Cl- secretion (% of control) Cl- secretion absent R1162X/Q552X 1 71 17.1 0 0.7 0 W1282X/3121-2AϾG 1 112 1.9 0 0.6 0 1898 ϩ 1G Ͼ T/1609delCA 2b 114, 118 25.4, 13.4 0, 0 0, 0.7 0, 0 ⌬F508/Q39X 2b 127, 129 2.6, 4.4 0, 0 1.7, 3.7 0, 0 ⌬F508/G542X 1 102 29.0 0 6.6 0 ⌬F508/R553X 3 112, 102, 109 13.1, 4.5, 23.8 0, 0, 0 1.5, 4.4, 1.0 0, 0, 0 ⌬F508/E585X 1 115 1.4 0 1.1 0 ⌬F508/Q637X 1 100 2.9 0 1.2 0 ⌬F508/Y1092X 1 119 0.0 0 -0.3 0 ⌬F508/120del23c 1 72 20.1 0 3.3 0 ⌬F508/182delT 1 116 10.8 0 5.2 0 ⌬F508/3905insT 2 88, 96 8.4, 5.6 0, 0 2.3, -1.1 0, 1 ⌬F508/V520F 1 68 1.2 0 1.7 0 ⌬F508/A561E 3 113, 146, 100 17.0, 17.0, 16.0 0, 0, 0 2.1, 1.5, 3.7 0, 0, 0 ⌬F508/R1066C 1 138 0.0 0 0.0 0 ⌬F508/N1303K 3 100, 117, 94 1.7, 4.1, 1.5 0, 0, 0 -0.6, 2.2, 0.8 0, 0, 0 A561E/A561E 2 101, 116 6.6, 2.0 0, 0 7.3, 3.3 0, 0 Residual Cl- secretiond G542X/I148N 1 75 -50.1 54 -22.2 12 1898 ϩ 3A Ͼ G/1898 ϩ 3A Ͼ G 1 82 -36.8 39 -12.9 7 ⌬F508/3272-26A Ͼ G 1 116 -17.8 19 -27.2 14 ⌬F508/S108F 1 118 -15.8 17 -12.3 7 ⌬F508/R117H 1 90 -35.9 38 -207.7 109 ⌬F508/Y161Cc 1 44 -35.1 37 -45.9 25 ⌬F508/P205S 1 80 -23.3 25 -10.4 5 ⌬F508/V232D 1 120 -16.9 18 -26.9 14 ⌬F508/R334W 1 92 -22.1 23 -21.1 11 ⌬F508/R334W 1 101 -24.5 26 -37.4 20 ⌬F508/T338I 1 73 -44.4 47 -79.4 42 ⌬F508/G576A 1 40 -16.9 18 -115.5 61 ⌬F508/I1234V 1 113 -13.6 15 -8.6 5 G576A/G85E 1 95 -26.1 28 -61.6 32 F1052V/M1137R 1 47 -36.7 39 -146.6 77 M1101K/M1101K 1 94 -11.1 12 -4.8 3 S1159F/S1159F 1 67 -47.9 51 -38.7 21 N1303K/R334W 1 91 -30.3 32 -47.7 25 NOTE. CFTR Cl- channel function was determined in rectal epithelia from Cl- secretory responses induced by IBMX/forskolin (Isc-cAMP) and after co-activation with carbachol (Isc-carbachol).

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ABCC7 p.Glu585* 15480987:78:725

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101 Functional Classification and Protein Location of CFTR Mutations Mutation type Severe mutations (protein location) Mild mutations (protein location) Missense V520F, A561E (NBD1) G85E (MSD1, TM1) R1066C (MSD2, CL4) S108F, R117H (MSD1, EL1) N1303K (NBD2) I148N, Y161Ca (MSD1, CL1) P205S (MSD1, TM3) V232D (MSD1, TM4) R334W, T338I (MSD1, TM6) G576A (NBD1) I1234V (NBD2) F1052V, M1101K (MSD2, CL4) M1137R (MSD2, TM12) S1159F (pre-NBD2) Splice 1898 ϩ 1G Ͼ T (R domain) 1898 ϩ 3A Ͼ G (R domain) 3121-2A Ͼ G (MSD2, TM9) 3272-26A Ͼ G (MSD2, TM10) Single amino acid deletion ⌬F508 (NBD1) Nonsense Q39X (N-terminus) G542X, Q552X, R553X, E585X (NBD1) Q637X (R domain) Y1092X (MSD2, CL4) R1162X (pre-NBD2) W1282X (NBD2) Frameshift 120del23a 182delT (N-terminus) 1609delCA (NBD1) 3905insT (NBD2) NOTE. Severe mutation, Cl- secretion absent; mild mutation, residual cAMP-mediated Cl- secretion.

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ABCC7 p.Glu585* 15480987:101:670

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103 b 3905insT, 1811+1.6kbA>G, S945L, S1251N, Y122X, 2711delT, R117H, E60X, 2184insA, E585X, L558S, S1235R, D1152H, K710X, Q493X, A455E, G178R, I148T, 574delA.

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ABCC7 p.Glu585* 10923036:103:82

status: NEW

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33 Eight mutations have frequencies 366 Table 1 Seventy-five CFTR mutations identified in 640 Spanish families with cystic fibrosis (CF) Mutation Exon/intron CF alleles % ∆F508 E.10 681 53.20 G542X E.11 108 8.43 N1303K E.21 34 2.65 1811+1.6kbA→Ga I.11 24 1.87 711+1G→T I.5 22 1.71 R1162Xa E.19 21 1.64 R334Wa E.7 21 1.64 R1066C E.17b 14 1.09 1609delCAa E.10 13 1.01 Q890X E.15 13 1.01 G85E E.3 12 0.94 712-1G→Ta I.5 11 0.86 2789+5G→A I.14b 11 0.86 ∆I507 E.10 10 0.78 W1282X E.20 10 0.78 2869insGa E.15 9 0.70 L206W E.6a 7 0.54 R709X E.13 7 0.54 621+1G→T I.4 6 0.47 3272-26A→G I.17a 6 0.47 R347H E.7 5 0.39 2183AA→G E.13 5 0.39 K710X E.13 5 0.39 2176insC E.13 5 0.39 3849+10kbC→T I.19 5 0.39 P205Sa E.6a 4 0.31 1078delT E.7 4 0.31 R553X E.11 4 0.31 G551D E.11 4 0.31 1812-1G→Aa I.11 4 0.31 CFdel#1a E.4-7/11-18 4 0.31 V232D E.6a 3 0.23 936delTAa E.6b 3 0.23 1717-8G→A I.10 3 0.23 1949del84 E.13 3 0.23 W1089X E.17b 3 0.23 R347P E.7 3 0.23 del E.3a E.3 2 0.16 R117H E.4 2 0.16 L558S E.11 2 0.16 A561E E.12 2 0.16 2603delT E.13 2 0.16 Y1092X E.17b 2 0.16 Q1100Pa E.17b 2 0.16 M1101K E.17b 2 0.16 delE.19a E.19 2 0.16 G1244E E.20 2 0.16 P5La E.1 1 0.08 Q30Xa E.2 1 0.08 G85Va E.3 1 0.08 E92Ka E.4 1 0.08 A120Ta E.4 1 0.08 I148T E.4 1 0.08 711+3A→Ta I.5 1 0.08 H199Y E.6a 1 0.08 875+1G→A I.6a 1 0.08 Table 1 (continued) Mutation Exon/intron CF alleles % 1717-1G→A I.10 1 0.08 L571S E.12 1 0.08 T582Ra E.12 1 0.08 E585X E.12 1 0.08 1898+3A→G I.12 1 0.08 G673X E.13 1 0.08 E692Xa E.13 1 0.08 R851X E.14a 1 0.08 R851La E.14a 1 0.08 A1006E E.17a 1 0.08 L1065Ra E.17b 1 0.08 F1074La E.17b 1 0.08 R1158X E.19 1 0.08 3667del4a E.19 1 0.08 3860ins31a E.20 1 0.08 3905insT E.20 1 0.08 4005+1G→A I.20 1 0.08 Q1281Xa E.20 1 0.08 Q1313X E.21 1 0.08 Known mutations (75) 1155 90.23 Unknown mutations 125 9.77 a Mutations discovered by the CF group of the Medical and Molecular Genetics Centre - IRO, Barcelona, Spain that range between 0.5% and 0.9%, representing 6.0% of the CF chromosomes.

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ABCC7 p.Glu585* 9439669:33:1510

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22 List of Mutations Included in the Experiment and Original Method of Detection Used by the Referring Laboratory Referring Probe Original method laboratory no.a Mutation Exon of detection Original SSCP conditions Institut de 1 1677delTA 10 Heteroduplexes Recerca 1 1859G/C 12 DDGE Oncologica, 3 W1282X 20 SSCPb 6% 19:1 (AA:bisAA) 4°C 5h 30W Department 4 delF508 10 Heteroduplexes de Genetica 4 Q1313X 20 SSCPb 6% 19:1 (AA:bisAA) 4°C 5h 30W Molecular, 5 1609delCA 10 SSCPb 6% 19:1 (AA:bisAA) RT 28h 10W10% glycerol Barcelona, 7 T582R 12 DGGE Spain 8 1898+3G→A ivs 12 DGGE Molecular 910085 1161delC 7 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Genetics 860176 1138insG 7 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Laboratory, 930215 1154insTC 7 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Royal 930838 delF508 10 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Manchester 930127 delI507 10 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Children`s 931205 Q493X 10 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm Hospital, 900592 V520F 10 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm UK G12984 S489X 10 SSCP/Heteroduplexes 9% 49:1 (AA:bisAA) 4°C 20 h 10V/cm 910143 G551D 11 ARMS 930274 S549N 11 SSCP/Heteroduplexes 10% 49:1 (AA:bisAA) 4°C 20 h 10V/cm 920132 1811+1G→C ivs 11 SSCP/Heteroduplexes 10% 49:1 (AA:bisAA) 4°C 20 h 10V/cm 930140 1898+1G→A ivs 12 SSCP/Heteroduplexes 930334 W1282X 20 SSCP/Heteroduplexes 7.25% 49:1 (AA:bisAA) 4°C 20 h 10V/cm 140735 3850-1G→A 20 SSCP/Heteroduplexes 7.25% 49:1 (AA:bisAA) 4°C 20 h 10 V/cm Laboratoire 293 G551D 11 SSCPb 5% 19:1 (AA:bisAA) 4°C 5 h 50W and de Biochimie 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol Genetique, 324 S549R 11 ASO Hybridization Centre 649 1898+1G→A ivs 12 DGGE Hospitalier 583 E585X 12 DGGE Universitaire 710 L967S 15 DGGE Montpellier, 325 S945L 15 SSCPb 5% 19:1 (AA:bisAA) 4° 5h 50W and France 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 473 N1303H 21 SSCPb 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 216 300delA 3 SSCP 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 287 394delTT 3 SSCP 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 559 R74W 3 SSCP 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 237 P67L 3 DGGE 1023 R75X 3 DGGE 885 1215delG 7 DGGE 113 Y122X 4 DGGE, SSCP 356 621+1G→T ivs 4 SSCP 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 709 621+2T→G ivs 4 SSCP 5% 19:1 (AA:bisAA)4°C 5h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol 802 I148T 4 DGGE 1016 Q98R 4 DGGE V75 R117H 4 SSCP 5% 19:1 (AA:bisAA) 4°C 5 h 50W and 5% 19:1 (AA:bisAA) RT 18h 8W 10%glycerol a Identification numbers given by referring laboratories.

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ABCC7 p.Glu585* 9222762:22:1912

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57 Type of Mutations Detected by SSCP Analysis in This Study Type of mutation Mutation Mutation characteristics Detected by SSCP analysis Deletions 1677delTA deletion of TA from 1677 Yes delF508 deletion of 3 bp from 1655 Yes delI507 deletion of 3 bp from 1648 Yes 1609delCA deletion of CA from 1609 Yes 1161delC deletion of C at 1161 Yes 300delA deletion of A at 300 Yes 394delTT deletion of TT from 394 Yes 1215delG deletion of G at 1215 No Insertions 1138insG insertion of G after 1138 Yes 1154insTC insertion of TC after 1154 Yes Base 1859G/C Yes substitutions W1282X G→A at 3978 Yes Q1313X C→T at 4069 Yes T582R C→G at 1877 Yes 1898+3G→A A→G at 1898+3 Yes Q493X C→T at 1609 Yes V520F G→T at 1690 Yes S489X C→A at 1598 Yes G551D G→A at 1784 No S549N G→A at 1778 Yes 1811+1G→C G→C at 1811+1 Yese 1898+1G→A G→A at 1898 Yes 3850-1G→A G→A at 3850-1 Yes S549R T→G at 1779 Yes E585X G→T at 1885 Yes L967S C→T at 2966 Yes S945L C→T at 2966 No N1303H A→C at 4039 Yes R74W C→T at 352 Yes P67L C→T at 332 Yes R75X C→T at 355 Yes Y122X T→A at 498 No 621+1G→T G→T at 621+1 No 621+2T→G T→G at 621+2 No I148T T→C at 575 Yes Q98R A→G at 425 Yes R117H G→A at 482 Yes FIGURE 1.

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ABCC7 p.Glu585* 9222762:57:991

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43 Defined mutations (each mutation cited in references 8, 23, and 24; numerals in parentheses indicate number of patients): Nonsense mutations-----class I: Frameshift mutations---class I: Splice site mutations-class I: Missense mutations---class HI: Missense mutations---class IV: Partially defective processing---class V: Alternative spficing-----classV: R1162X (3), Y1092X (3), G542X (21), Q552X (2), Q493X (2), w1282x (2), E1104X (1), R553X (6), E585X (l), (all PI) 3659delC (5), 2184delA (4), 4010de14 (1), 556delA (1), 3002delG (1) 3905insT (1), 4016insT (3), 1154insTC (l), 441delA (1), 2184insA (2), 1078delT (1), 4326delTC (3) (all PI) I717-1G--~A (4), 621+lG--*T (10), 711+IG--~T (3), 875+1G-+C (2), 3120+IG-~A (1) (18 PI, 2 PS) G551D (25), N1303K (7), R560T (8), I148T (1), G85E (3), A559T (1), L1077P (2), T1234V (1), (47 PI, 1 PS) R117H (10), R347H (3), R347P (1), D614G (1), S1251N (2), (all PS) P574H (2), A455E (2), (all PS) 3272-26A-+G (4), 3849+10KbC---~T (2), 3120G-+A (1), (all PS) analysis, we further grouped the patients according to the molecular consequences conferred by the CFTR alleles.

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ABCC7 p.Glu585* 7472820:43:447

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119 Three other patients, 8, 12, and 14 years of age with the genotypes E585X/5T and K710X/5T (two were siblings), had a diagnosis of cystic fibrosis due to elevated concentrations of electrolytes in sweat (Ͼ60 mmol per liter) and episodes of dehydration, but no other clinical features.

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ABCC7 p.Glu585* 7739684:119:68

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82 Four new mutations of the CFTR gene (541delC, R347H, R352Q, E585X) detected by DGGE analysis in Italian CF patients, associated with different clinical phenotypes.

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ABCC7 p.Glu585* 7525963:82:60

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41 A Exon 13 4 0.41 621-1 G--~T Intron 4 3 0.31 P205S Exon 6a 3 0.31 936 del TA Exon 6b 3 0.31 1949 del 84 Exon 13 3 0.31 K710X Exon 13 3 0.31 CF del #1 Exon 4-7/11-18 3 0.31 L206W Exon 6a 2 0.20 R347H Exon 7 2 0.20 Y1092X Exon 17b 2 0.20 Q1100P Exon 17b 2 0.20 Q30X Exon 2 1 0.10 E92K Exon 4 1 0.10 A120T Exon 4 1 0.10 I148T Exon 4 1 0.10 H199Y Exon 6a 1 0.10 1078 del T Exon 7 1 0.10 1717-1 G--+A Intron 10 1 0.10 T582R Exon 12 1 0.10 E585X Exon 12 1 0.10 1898+3 A~---G Intron 12 1 0.10 W1098X Exon 17b 1 0.10 R1158X Exon 19 1 0.10 3667 del 4 Exon 19 1 0.10 3860 ins 31 Exon 20 1 0.10 3905 ins T Exon 20 1 0.10 Unknown 212 21.81 The Basque subset The Basques have a different genetic background with respect to other ethnic groups (Pancorbo et al. 1989) as they are the only pre-Indoeuropean group in Spain.

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ABCC7 p.Glu585* 7513293:41:434

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68 CFI'R mutations characterized by denaturing gradient gel electrophoresis and DNA sequencing from Guthrie cards of 98 children with cystic fibrosis 431 Number of Mutations Exons Fre- References chromo- quencies somes 129 AF508 10 65.8 Kerem et al. 1989 5 G551D 11 2.8 Cutting et al. 1990 3 2183 AA---~G 13 1.7 unpublished data 3 N1303K 21 1.7 Osborne et al. 1991 3 G542X 11 1.7 Kerem et ai.1990 2 E92K 4 1.1 Nunes et al. 1993 2 I148T 4 1.1 unpublished data 2 574 del A 4 1.1 Fanen et a1.1992 2 1078 del T 7 1.1 Claustres et a1.1992 2 E585X 12 1.1 Cremonesi et al. 1992 2 2789 + 5 G--->A intron 14b 1.1 unpublisheddata 2 3659 del C 19 l.

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ABCC7 p.Glu585* 7513292:68:533

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128 Interestingly, a similar situation has been found in patients carrying a nonsense mutation (E585X) within the alternatively spliced exon 12 that codes for the last part of the amino-terminal nucleotide-binding domain in CFTR (Cremonesi et al. 1992).

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ABCC7 p.Glu585* 7505767:128:92

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146 Nature Genet 3:151-156 Cremonesi L, Ferrari M, Belloni E, Magnani C, Seia M, Ronchetto P, Rady M, Russo MP, Romeo G, Devoto M (1992) Four new mutations of the CFTR gene (541delC, R347H, R352Q, E585X) detected by DGGE analysis in Italian patients, associated with different clinical phenotypes.

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ABCC7 p.Glu585* 7505767:146:193

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26 Mutations identified in a Southern french population mutation AF5O8 M1K 300delA P67L R74W G85E 394detTT 406-6 (T-C) Y122X I148T 621 + 1G-T 62/+2T-G L206W 1078deIT R334W R347H R347P AI507 1717-1G-A G542X R553X S549N G551D E585X 2184delA K710X R792X S945L Y1092X 3272-26A-G R1158X R1162X 3737delA 3659delC 11234V D1270N W1282X N13O3H N13O3K 4382delA Exon 10 1 3 3 3 3 3 intron 3 4 4 intron 4 intron 4 6a 7 7 7 7 10 intron 10 11 11 11 11 , 12 13 13 13 15 17b intron 17a 19 19 19 19 19 20 20 21 21 24 Amino acid change 3 bp deletion start-Lys at 1 frameshift Pro-Leu at67 Arg-Trp at 74 Gly-Glu at 85 frameshift splice mutation?

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ABCC7 p.Glu585* 7691344:26:221

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59 As mentioned before, molecular screening Table 2 Comparison between the results obtained in this study and those obtained in a previous study Castaldo et al. [14] Mutations observed in the present study F508del 55.8% (29) 48.62% (141) N1303K 3.8% (2) 9.31% (27) G542X 3.8% (2) 8.96% (26) W1282X 3.8% (2) 1.03% (3) 2183AA>G 5.8% (3) 2.76% (8) R1162X 0 0 1717-1G>A 1.9% (1) 0 T338I 0 0 R347P 0 0.69% (2) 711+5G>A 0 0 852del22 5.8% (3) 1.03% (3) 4382delA 0 0.69% (2) 1259insA 0 0.34% (1) 4016insT 0 0.34% (1) R553X 0 0.34% (1) R1158X 0 0 L1077P 0 1.03% (3) I502T 0 0 3849+10kbC>T 1.9% (1) 0.34% (1) D579G 0 0.69% (2) G1244E 3.8% (2) 0 G1349D 0 0.34% (1) 2789+5G>A 0 1.03% (3) 711+1G>T 0 0 L1065P 0 0 2522insC 0 0 E585X 0 0 G85E 0 0 G178R 0 0 D1152H 0 3.10% (9) I148T-3195del6 0 0 I148T (alone) 0 4.48% (13) R334W 0 0 DI507 0 0.69% (2) I1005R 0 0 3272-26A>G 0 0 2711delT 0 0 L558S 1.9% (1) 0.34% (1) W1063X 0 0 D110H 0 0 S549R (A>C) 1.9% (1) 0.69% (2) 2184insA 0 0 3131del22 0 0 Table 2 Comparison between the results obtained in this study and those obtained in a previous study (Continued) R709N 0 0 A349V 0 0 4015insA 0 0 Y849X 1.9% (1) 0.34% (1) G551D 0 1.03% (3) 621+3A>G 0 0.34% (1) E831X 0 0 I507del 0 0.69% (2) IVS8 TG12/t5 0 1.03% (3) H139R (A->G) 0 0.34% (1) 1248+1G>A 0 0.34% (1) R74W;V201M;D1270N 0 0.69% (2) S1455X 0 0.34% (1) dele 2,3 (21kb) 0 0.34% (1) 991del5 0 0.34% (1) UNKNOWN 7 %(4) 4.83% (14) F508C 0 0.69% (2) TOTAL 52 290 of CF is highly recommended in the USA by the National Institutes of Health Consensus Development Conference Statement on genetic testing for cystic fibrosis [17].

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ABCC7 p.Glu585* 25304080:59:710

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79 The test has a sensitivity and a specificity of more than Table 3 List of 60 mutations in the cystic fibrosis transmembrane regulator gene (specificity 100%) F508del I507del F508C 621+1G>T D110H E585X G1349D I502T 1706del17 1677delTA R117H H139R 1898+1G>A 4015delA G542X 1717-1G>A Q552X 852del22 G178R 1898+3A>G G551D S549R(A>C) 2183AA>G T338I 991del5 1898+5G>T N1303K 4016insT 3849+10kb C>T R347P R334W 2184insA G85E 711+5G>A 711+1G>T 1259insA R347H 2522insC 2789+5G>A W1282X G1244E R1066H R352Q 3120+1G>A I148T 3199del6 S912X R1158X 1717-8G>A R1066C R1162X 4382delA D1152H L1077P D579G 3272-26A>G L1065P R553X PoliT: 5T, 7T, 9T 1874insT 3659delC 99%.

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ABCC7 p.Glu585* 25304080:79:195

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6 We could identify 12 non-synonymous variants including three novel ones [c.A1231G (p.K411E), c.1753G[T (p.E585X) and c.2869delC (p.L957fs)] and seven synonymous variants including three novel ones in the exonic regions.

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ABCC7 p.Glu585* 25492507:6:106

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85 Based on the presence in dbSNP137, Exome Variant Server (NHLBI GO Exome Sequencing Project, Seattle, WA, USA; URL: http://evs.gs.washington.edu/ EVS/), and the Human Genetic Variation Database, three non-synonymous variants [c.1231A[G (p.K411E), c.1753G[T (p.E585X) and c.2869delC (p.L957fs)] and three synonymous variants (c.372C[T, c.3975A[G and c.4254G[A) were novel.

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ABCC7 p.Glu585* 25492507:85:259

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90 On average, 90.3 % of the coding region was successfully covered by C20 reads Table 2 Non-synonymous CFTR variants detected in this study Exon Non-synonymous variant Amino acid change dbSNP135 Genotype SIFT (score) PolyPhen-2 (score) Alcoholic CP (%) Idiopathic CP (%) Hereditary/ familial CP (%) 2 c.91C[T p.R31C rs1800073 CT D (0.012) PD (0.989) 0/46 (0) 3/121 (2.5) 0/26 (0) 2 c.92G[A p.R31H rs149353983 GA T (0.183) B (0.003) 0/46 (0) 1/121 (0.8) 0/26 (0) 4 c.374T[C p.I125T rs141723617 TC D (0.005) B (0.17) 0/46 (0) 2/121 (1.6) 1/26 (3.8) 10 c.1231A[G p.K411E - AG D (0.015) B (0.233) 0/46 (0) 1/121 (0.8) 0/26 (0) 11 c.1408G[A p.V470M rs213950 GA T (1) B (0) 21/46 (45.7) 65/121 (53.7) 11/26 (42.3) AA 5/46 (10.9) 19/121 (15.7) 1/26 (3.8) 12 c.1666A[G p.I556V rs75789129 AG T (0.536) B (0.334) 2/46 (4.3) 8/121 (6.6) 0/26 (0) GG 0/46 (0) 0/121 (0) 0/26 (0) 13 c.1753G[T p.E585X - GT - - 1/46 (2.2) 0/121 (0) 0/26 (0) 17 c.2869delC p.L957fs - - - 0/46 (0) 1/121 (0.8) 0/26 (0) 21 c.3468G[T p.L1156F rs139729994 GT T (0.163) PD (0.994) 2/46 (4.3) 10/121 (8.3) 2/26 (7.7) TT 1/46 (2.2) 0/121 (0) 0/26 (0) 25 c.4045G[A p.G1349S rs201686600 GA D (0) PD (1) 1/46 (2.2) 0/121 (0) 0/26 (0) 25 c.4056G[C p.Q1352H rs113857788 GC D (0) PD (1) 5/46 (10.9) 11/121 (9.1) 4/26 (15.4) CC 0/46 (0) 0/121 (0) 0/26 (0) 27 c.4357C[T p.R1453W rs4148725 CT D (0) PD (0.999) 3/46 (6.5) 6/121 (5.0) 1/26 (3.8) B benign, CP chronic pancreatitis, D damaging, PD probably damaging, T tolerated, SIFT Sorting Intolerant From Tolerant heterozygous form (Table 6).

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ABCC7 p.Glu585* 25492507:90:881

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91 The nonsense variant c.1753G[T (p.E585X) was found in a patient with alcoholic CP. He was diagnosed as having alcoholic CP at 28 years old. The c.1231A[G (p.411E) variant was found in a 19-year-old male with idiopathic CP. He had suffered from pancreatitis attacks since 12 years old.

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ABCC7 p.Glu585* 25492507:91:34

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100 There were no significant difference for any other non-synonymous or synonymous variants detected in the exons Table 3 Comparison of the non-synonymous variant frequencies between the patients with CP and controls Amino acid change Genotype All CP (%) HGVD (%) P value (vs. HGVD) All CP Alcoholic CP Nonalcoholic CP Idiopathic CP Hereditary/ familial CP p.R31C CT 3/193 (1.6) 12/1102 (1.1) 0.48 [0.99 0.41 0.18 [0.99 p.R31H GA 1/193 (0.5) 0 - - - - - p.I125T TC 3/193 (1.6) 5/1102 (0.5) 0.11 [0.99 0.057 0.15 0.13 p.K411E AG 1/193 (0.5) 0 - - - - - p.V470M GA 97/193 (50.3) 573/1199 (47.8) 0.66 0.57 0.68 0.38 0.12 AA 25/193 (13.0) 185/1199 (15.4) p.I556V AG 10/193 (5.2) 78/1150 (6.8) 0.70 0.79 0.81 [0.99 0.45 GG 0/193 (0) 3/1150 (0.3) p.E585X GT 1/193 (0.5) 0 - - - - - p.L957fs 1/193 (0.5) 0 - - - - - p.L1156F GT 14/193 (7.3) 45/1136 (4.0) 0.04 0.06 0.07 0.11 0.30 TT 1/193 (0.5) 1/1136 (0.1) p.G1349S GA 1/193 (0.5) 4/1094 (0.4) 0.56 0.19 [0.99 [0.99 [0.99 p.Q1352H GC 20/193 (10.4) 57/1153 (4.9) 0.009 0.12 0.037 0.17 0.062 CC 0/193 (0) 1/1153 (0.1) p.R1453W CT 10/193 (5.2) 42/1144 (3.7) 0.32 0.25 0.49 0.45 [0.99 CP chronic pancreatitis, HGVB Human Genetic Variation Database P values were determined versus HGVD by the Fisher`s exact test Table 4 Synonymous variants in the exons of the CFTR gene detected in this study Exon Synonymous variant Amino acid change dbSNP135 Genotype Alcoholic CP (%) Idiopathic CP (%) Hereditary/ familial CP (%) 4 c.372C[T p.G124= - CT 0/46 (0) 1/121 (0.8) 0/26 (0) 13 c.1731C[T p.Y577= rs55928397 CT 0/46 (0) 1/121 (0.8) 0/26 (0) 15 c.2562T[G p.T854= rs1042077 TG 20/46 (43.5) 69/121 (57.0) 12/26 (46.2) GG 6/46 (13.0) 18/121 (14.9) 0/26 (0) 23 c.3723C[A p.G1241= rs185065886 CA 1/46 (2.2) 0/121 (0) 0/26 (0) 25 c.3975A[G p.R1325= - AG 0/46 (0) 1/121 (0.8) 0/26 (0) 27 c.4254G[A p.E1418= - GA 0/46 (0) 1/121 (0.8) 0/26 (0) 27 c.4389G[A p.Q1463= rs1800136 GA 1/46 (2.2) 3/121 (2.5) 0/26 (0) CP chronic pancreatitis between all patients with CP and controls (Tables 3, 5).

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ABCC7 p.Glu585* 25492507:100:740

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114 Comprehensive analysis by targeted NGS enabled us to identify novel and Table 5 Comparison of the synonymous variant frequencies between the patients with CP and controls Synonymous variant Genotype All CP (%) HGVD (%) P value (vs. HGVD) All CP Alcoholic CP Nonalcoholic CP Idiopathic CP Hereditary/ familial CP c.C372T CT 1/193 (0.5) 0 - - - - - c.1731C[T CT 1/193 (0.5) 0 - - - - - c.2562T[G TG 101/193 (52.3) 528/1154 (45.8) 0.22 0.81 0.11 0.045 0.033 GG 24/193 (12.4) 181/1154 (15.7) c.3723C[A CA 1/193 (0.5) 3/671 (4.5) [0.99 0.23 [0.99 [0.99 [0.99 c.3975A[G AG 1/193 (0.5) 0 - - - - - c.4254G[A GA 1/193 (0.5) 0 - - - - - c.4389G[A GA 4/193 (2.1) 40/1112 (3.6) 0.48 [0.99 0.53 0.81 [0.99 AA 0/193 (0) 1/1112 (0.1) CP chronic pancreatitis, HGVD Human Genetic Variation Database P values were determined against HGVD by the Fisher`s exact test Table 6 Total CFTR sequencing results of patients carrying rare non-synonymous CFTR variants a Pancreatitis-associated mutations in the PRSS1, SPINK1, CTRC, and CPA1 genes Case# Etiology Age at onset Rare variant Additional non-synonymous variants c.1210-34TG(9_13) c.1210-12T(5_9) Mutation in other pancreatitis susceptibility genesa A1 Idiopathic 34 p.R31C/- p.R1453W/- TG11/TG11, 7T/7T - A2 Idiopathic 8 p.R31C/- - TG11/TG12, 7T/7T - A3 Idiopathic 16 p.R31C/- - TG11/TG12, 7T/7T - A4 Idiopathic 10 p.R31H/- - TG11/TG12, 7T/7T - A5 Idiopathic 16 p.I125T/- p.L1156F/- TG11/TG12, 7T/7T CTRC p.R29Q/- A6 Idiopathic 2 p.I125T/- - TG11/TG12, 7T/7T - A7 Hereditary 28 p.I125T/- p.R1453W/- TG11/TG12, 7T/7T - A8 Idiopathic 19 p.K411E/- p/L1156F/- TG11/TG12, 7T/7T - A9 Alcoholic 28 p.E585X/- p.I556V/- TG11/TG11, 7T/7T - A10 Idiopathic 21 p.L957fs/- p.Q1352H/- TG11/TG12, 7T/7T - A11 Alcoholic 40 p.G1349S/- - TG11/TG11, 7T/7T - rare variants in the CFTR gene.

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ABCC7 p.Glu585* 25492507:114:1627

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115 The c.1753G[T (p.E585X) variant is a nonsense variant, and the c.2869delC (p.L957fs) variant leads to a stop codon afterward at amino acid 967.

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ABCC7 p.Glu585* 25492507:115:17

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116 These variants result in a heavily truncated protein missing nearly two-thirds (p.E585X) or more than one-third (p.L957fs) of its amino acids.

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ABCC7 p.Glu585* 25492507:116:82

status: NEW

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385 [Gly576Ala;Arg668Cys] D579G c.1736A>G CF-PS varying clinical consequence p.Asp579Gly E585X c.1753G>T CF-PI CF-causing p.Glu585* H609L c.1826A>T CFTR-RD nd p.His609Leu A613T c.1837G>A CF-PS nd p.Ala613Thr D614G c.1841A>G CF-PS unknown significance p.Asp614Gly 2143delT c.2012delT CF-PS CF-causing p.Leu671* 2183AA>G c.2051_2052delAAinsG CF-PI,CF-PS CF-causing p.Lys684SerfsX38 2184insA c.2052_2053insA CF-PI CF-causing p.Gln685ThrfsX4 R709X c.2125C>T CF-PI CF-causing p.Arg709* L732X c.2195T>G CF-PI CF-causing p.Leu732* R764X c.2290C>T CF-PI CF-causing p.Arg764* Q779X c.2335C>T uncertain: CF-PI and/or CF-PS nd p.Gln779* E831X c.2491G>T CF-PS CF-causing p.Glu831* Y849X c.2547C>A CF-PI CF-causing p.Tyr849* ex14b-17bdel c.2620-674_3367+198del9858 CF-PI nd 2789+5G>A c.2657+5G>A CF-PI,CF-PS CF-causing 2790-2A>G c.2658-2A>G CF-PS nd S912L c.2735C>T uncertain: found only with an unknown allele in trans nd p.Ser912Leu S945L c.2834C>T CF-PS CF-causing p.Ser945Leu S977F c.2930C>T CFTR-RD varying clinical consequence p.Ser977Phe L997F c.2991G>C CF-PS,CFTR-RD,CBAVD non CF-causing p.Leu997Phe ex17a-18del c.2988+1173_3468+2111del8600 CF-PI nd P1013L c.3038C>T CFTR-RD nd p.Pro1013Leu Y1032C c.3095A>G CFTR-RD nd p.Tyr1032Cys 3272-26A>G c.3140-26A>G CF-PS CF-causing L1065P c.3194T>C CF-PI,CF-PS CF-causing p.Leu1065Pro L1065R c.3194T>G uncertain: CF-PI and/or CF-PS nd p.Leu1065Arg R1066C c.3196C>T CF-PI CF-causing p.Arg1066Cys R1066H c.3197G>A CF-PI CF-causing p.Arg1066His G1069R c.3205G>A uncertain: found only with an unknown allele in trans varying clinical consequence p.Gly1069Arg Continued on next page of 0.021).

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ABCC7 p.Glu585* 25910067:385:85

status: NEW

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79 (unknown) Q39X c.115C4T p.Gln39* P67L c.200C4T p.Pro67Leu R75X c.223C4T p.Arg75* 405+1G4A c.273+1G4A 406-1G4A c.274-1G4A E92X c.274G4T p.Glu92* E92K c.274G4A p.Glu92Lys Q98X c.292C4T p.Gln98* 457TAT4G c.325_327delTATinsG p.Tyr109Glyfs*4 D110H c.328G4C p.Asp110His R117C c.349C4T p.Arg117Cys Y122X c.366 T4A p.Tyr122* 574delA c.442delA p.Ile148Leufs*5 444delA c.313delA p.Ile105Serfs*2 663delT c.531delT p.Ile177Metfs*12 G178R c.532G4A p.Gly178Arg 711+3 A4G c.579+3 A4G 711+5G4A c.579+5G4A 712-1G4T c.580-1G4T H199Y c.595C4T p.His199Tyr P205S c.613C4T p.Pro205Ser L206W c.617 T4G p.Leu206Trp Q220X c.658C4T p.Gln220* 852del22 c.720_741delAGGGAGAAT GATGATGAAGTAC p.Gly241Glufs*13 1078delT c.948delT p.Phe316Leufs*12 G330X c.988G4T p.Gly330* Table 1 (Continued ) HGVS nomenclature Legacy name cDNA nucleotide name Protein name R334W c.1000C4T p.Arg334Trp I336K c.1007 T4A p.Ile336Lys T338I c.1013C4T p.Thr338Ile 1154insTC c.1021_1022dupTC p.Phe342Hisfs*28 S341P c.1021 T4C p.Ser341Pro R347H c.1040G4A p.Arg347His 1213delT c.1081delT p.Trp361Glyfs*8 1248+1G4A c.1116+1G4A 1259insA c.1130dupA p.Gln378Alafs*4 W401X(TAG) c.1202G4A p.Trp401* W401X(TGA) c.1203G4A p.Trp401* 1341+1G4A c.1209+1G4A 1461ins4 c.1329_1330insAGAT p.Ile444Argfs*3 1525-1G4A c.1393-1G4A S466X c.1397C4A or c.1397C4G p.Ser466* L467P c.1400 T4C p.Leu467Pro S489X c.1466C4A p.Ser489* S492F c.1475C4T p.Ser492Phe 1677delTA c.1545_1546delTA p.Tyr515* V520F c.1558G4T p.Val520Phe 1717-1G4A c.1585-1G4A 1717-8G4A c.1585-8G4A S549R c.1645 A4C p.Ser549Arg S549N c.1646G4A p.Ser549Asn S549R c.1647 T4G p.Ser549Arg Q552X c.1654C4T p.Gln552* A559T c.1675G4A p.Ala559Thr 1811+1.6kbA4G c.1680-886 A4G 1812-1G4A c.1680-1G4A R560K c.1679G4A p.Arg560Lys E585X c.1753G4T p.Glu585* 1898+3 A4G c.1766+3 A4G 2143delT c.2012delT p.Leu671* 2184insA c.2052_2053insA p.Gln685Thrfs*4 2184delA c.2052delA p.Lys684Asnfs*38 R709X c.2125C4T p.Arg709* K710X c.2128 A4T p.Lys710* 2307insA c.2175dupA p.Glu726Argfs*4 L732X c.2195 T4G p.Leu732* 2347delG c.2215delG p.Val739Tyrfs*16 R764X c.2290C4T p.Arg764* 2585delT c.2453delT p.Leu818Trpfs*3 E822X c.2464G4T p.Glu822* 2622+1G4A c.2490+1G4A E831X c.2491G4T p.Glu831* W846X c.2537G4A p.Trp846* W846X (2670TGG4TGA) c.2538G4A p.Trp846* R851X c.2551C4T p.Arg851* 2711delT c.2583delT p.Phe861Leufs*3 S945L c.2834C4T p.Ser945Leu 2789+2insA c.2657+2_2657+3insA Q890X c.2668C4T p.Gln890* L927P c.2780 T4C p.Leu927Pro 3007delG c.2875delG p.Ala959Hisfs*9 G970R c.2908G4C p.Gly970Arg 3120G4A c.2988G4A function variants that cause CF disease when paired together; (ii) variants that retain residual CFTR function and are compatible with milder phenotypes such as CFTR-RD; (iii) variants with no clinical consequences; and (iv) variants of unproven or uncertain clinical relevance.

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ABCC7 p.Glu585* 26014425:79:1704

status: NEW

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122 The genotypes of the studied patients were as follows: F508del/F508del (nߙ=Èa;ߙ74); F508del/- (nߙ=Èa;ߙ23); F508del/3849ߙ+Èa;ߙ10ߙkbCߙ>Èa;ߙT (nߙ=Èa;ߙ6); F508del/2143delT (nߙ =Èa;ߙ 6); F508del/R553X (nߙ =Èa;ߙ4); F508del/2183AAߙ>Èa;ߙG (nߙ=Èa;ߙ3); F508del/1717-1G>Èa;A (nߙ=Èa;ߙ3); F508del/CFTRdele2,3(21ߙkb) (nߙ=Èa;ߙ3); F508del/3272-26Aߙ>Èa;ߙG (nߙ=Èa;ߙ 2); F508del/N1303K (nߙ =Èa;ߙ2); F508del/4374ߙ+Èa;ߙ1Gߙ>Èa;ߙT (nߙ=Èa;ߙ1); F508del/621ߙ+Èa;ߙ1Gߙ>Èa;ߙT (nߙ=Èa;ߙ 1); F508del/3659delC (nߙ =Èa;ߙ1); F508del/ G1244R (nߙ =Èa;ߙ 1); F508del/G542X (nߙ =Èa;ߙ 1); F508del/R117H (nߙ =Èa;ߙ 1); F508del/R334W (nߙ =Èa;ߙ1); G542X/- (nߙ=Èa;ߙ2); CFTRdele2,3(21ߙkb)/- (nߙ=Èa;ߙ2); CFTRdele2,3(21ߙkb)/CFTRdele2,3(21ߙkb) (nߙ=Èa;ߙ1); 1717-1-Gߙ>Èa;ߙA/ CFTRdele2,3(21ߙkb) (nߙ=Èa;ߙ1); 3849ߙ+Èa;ߙ10ߙkbCߙ>Èa;ߙT/- (nߙ=Èa;ߙ1); 3849ߙ+Èa;ߙ10ߙkbCߙ>Èa;ߙT/1717ߙ-Èa;ߙ1Aߙ>Èa;ߙG (nߙ=Èa;ߙ1); N1303K/- (nߙ=Èa;ߙ1); N1303K/3272-26Aߙ>Èa;ߙG (nߙ=Èa;ߙ1); G542X/R553X (nߙ=Èa;ߙ1); 1524ߙ+Èa;ߙ1Gߙ>Èa;ߙA/E585X (nߙ=Èa;ߙ1); 2183AAߙ>Èa;ߙG/- (nߙ=Èa;ߙ1); 2184insA/622-1Gߙ>Èa;ߙA (nߙ=Èa;ߙ1); 2143delT/R1102X (nߙ=Èa;ߙ1); 3272-26Aߙ>Èa;ߙG/- (nߙ=Èa;ߙ1); 3659delC/- (nߙ=Èa;ߙ1); R347P/R347P (nߙ=Èa;ߙ1); S1196X/Q1382X (nߙ=Èa;ߙ1).

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ABCC7 p.Glu585* 26160248:122:1704

status: NEW

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59 Total (n = 15) Adult (n = 8) Pediatric (n = 7) Age (years), mean &#b1; SD 23.3 &#b1; 16.2 36.3 &#b1; 14.6 10.7 &#b1; 3.8 Female/male 9/6 5/3 4/3 CFTR genotypes G551D/F508del 10 4 6 G551D/not found 2 2 - G551D/2622+1GNA 1 - 1 G551D/E585X 1 1 - G178R/F508del 1 1 - CFTR, cystic fibrosis conductance regulator; SD, standard deviation.

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ABCC7 p.Glu585* 26168933:59:231

status: NEW

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