ABCMdb

ABCC7 p.Leu320Val

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Publications

PMID: 17003641 [PubMed] Keiles S et al: "Identification of CFTR, PRSS1, and SPINK1 mutations in 381 patients with pancreatitis."

No. Sentence Comment

54 Patients With More Than 1 CFTR Mutation CFTR Mutation 1 CFTR Mutation 2 CFTR Mutation 3 No. of Patients deltaF508 5T 3 deltaF508 D1152H 1 deltaF508 deltaF508 1 deltaF508 F575Y 1 deltaF508 K598E 1 deltaF508 T164S 1 deltaF508 R74W D1270N 1 deltaF508 Q1476X 1 deltaF508 L997F 1 R553X D1152H 1 R553X G1069R 1 2789+5 G9A 2183 AA9G 1 3849+10kb C9T L1260P 1 711+3 A to G I1139V 1 1341+1 G9A G194R 5T 1 621+25 A9G 3500-19 C9T 1 R74W V855I 1 G542X R117H 1 G551D F311L 1 G576A R668C 2 K710X L997F 1 L997F L320V 1 G1069R 5T 1 1818+18 G9A 5T 1 F1074L 5T 1 F834L 5T 1 R74Q R297Q 1 R74Q R297Q 5T 1 R785Q 5T 1 R117H 5T 3 deltaF508 I1027T 1 Total patients 36 MutationsinboldfacewouldnothavebeendetectedbytheAmericanCollegeofObstetrics and Gynecology (ACOG)/American College of Medical Genetics (ACMG) mutation panel. Login to comment

PMID: 20059485 [PubMed] Dorfman R et al: "Do common in silico tools predict the clinical consequences of amino-acid substitutions in the CFTR gene?"

No. Sentence Comment

64 Mutations in the CFTR gene grouped by clinical category Cystic fibrosis CFTR-related disease No disease T338I D614G L320V V920L L90S M470V H199R S1251N I203M G550R P111A I148T Q1291H R560K L1388Q L183I R170H I1027T S549R D443Y P499A L1414S T908N R668C S549N A455E E1401K Q151K G27E I1234L Y563N R347P C866R S1118C P1290S R75Q A559T V520F P841R M469V E1401G P67L G85E S50Y E1409K R933G G458V G178R Y1032C R248T I980K G85V V392G L973P L137H T351S R334W I444S V938G R792G R560T R555G L1339F D1305E P574H V1240G T1053I D58G G551D L1335P I918M F994C S945L L558S F1337V R810G D1152H G1247R P574S R766M D579G W1098R H949R F200I R352Q L1077P K1351E M244K L206W M1101K D1154G L375F N1303K R1066C E528D D110Y R347H R1070Q A800G P1021S S549K A1364V V392A damaging` (is supposed to affect protein function or structure) and 'probably damaging` (high confidence of affecting protein function or structure). Login to comment

PMID: 20416310 [PubMed] Ooi CY et al: "Genetic testing in pancreatitis."

No. Sentence Comment

53 Interpretation of Mutations Requires an Understanding of Their Functional Consequences Mutation group Reported mutations Complex allele: These mutations are recognized to occur on a single allele R117H ϩ T G576A ϩ R668C F508del ϩ I1027T Benign sequence alterations: These mutations have no known clinical consequence R74Q R297Q R74W 621 * 25 AϾG 3500-19 CϾT T164S C855I I1139V CFTR-related disorder associated: These mutations have been described in individuals with CF-like single organ disease (such as pancreatitis, sinopulmonary disease, or obstructive azoospermia), but do not fulfill the diagnostic criteria for CF 5T R117H D1270N L320V Q1352H 1818-18 GϾA S1235R CF causing F508del Q1476X R553X K710X G542X G551D F311L 2789-5 GϾA 2183AAϾG 711ϩ3 AϾG 3849ϩ10kb CϾT 1341ϩ1GϾA D1152Ha F1074La R553X Unknown clinical consequence F575Y L1260P G194R G1069R L997F K598E F834L R785Q To illustrate this point, mutations identified by extensive mutation testing in a cohort of patients with recurrent acute or chronic pancre- atitis14 are listed according to their clinical consequences (based on current consensus guidelines13 and functional and/or clinical reports; available: http://www.genet.sickkids.on.ca). Login to comment

PMID: 20706124 [PubMed] Lucarelli M et al: "A new complex allele of the CFTR gene partially explains the variable phenotype of the L997F mutation."

No. Sentence Comment

58 G85E (c.254GϾA), S549R(AϾC) (c.1645AϾC), and L320V (c.958TϾ G) are missense mutations located in the first membrane spanning domain-first transmembrane segment, in the first nucleotide-binding domain, and in the first membrane spanning domain- fifth transmembrane segment, respectively. Login to comment
60 The L320V mutation has previously been found in two subjects with congenital bilateral absence of the vas deferens, with no other symptoms37; to our knowledge, no other phenotypical description of this mutation has been published. Login to comment
97 The five subjects with the F508del/L997F genotype, which were expected to be more severe than the L320V/L997F genotype, represent a paradigm for variability. Login to comment
151 The initial genetic characterization of the subject with the L320V/L997F genotype was performed by the Regional Reference Center for Rare Diseases, Department of Pediatrics, University Hospital of Padova (Italy). Login to comment

PMID: 18687795 [PubMed] Audrezet MP et al: "Validation of high-resolution DNA melting analysis for mutation scanning of the cystic fibrosis transmembrane conductance regulator (CFTR) gene."

No. Sentence Comment

171 Results of CFTR Analysis by HRM on 136 Samples of Patients with Idiopathic Chronic Pancreatitis (ICP) Exon Number of positive samples Mutations identified Variants identified New positive controls 1 14 14 125GϾC 2 1 1 R31C 3 9 1 G85E 7 R75Q 1 R74W 4 4 1 R117G 1 I148T R117G 1 R117H 1 A120T 5 1 1 L188P L188P 6a 5 1 V201M 1 A221A A221A 3 875ϩ40 AϾG 6b 27 1 M284T 26 1001ϩ11CϾT M284T 7 1 1 L320V L320V 8 0 0 9 1 1 D443Y 10 16 8 F508del 8 E528E 11 1 1 G542X 12 6 4 G576A 1 Y577Y L568F 1 L568F 13 7 1 S737F 4 R668C S737F 1 V754M L644L 1 L644L 14a 53 52 T854T T854TϩI853I 1 T854TϩI853I 14b 0 0 15 3 1 L967S T908S 1 T908S 1 S945L 16 0 0 17a 10 7 L997F 1 3271ϩ18CϾT 3271 ϩ 3AϾG 1 3271 ϩ 3 AϾG 1 Y1014C 17b 3 1 L1096L L1096L 1 H1054DϩG1069R 1 3272-33AϾG H1054DϩG1069R 3272-33AϾG 18 2 1 D1152H E1124del 1 E1124del 19 5 5 S1235R poly 20 7 1 W1282X 5 P1290P 1 D1270N 21 2 1 N1303K 1 T1299T 22 0 0 23 1 0 4374ϩ13 AϾG 24 43 40 Q1463Q 2 Y1424Y 1 Q1463QϩY1024Y ing domain of a gene brings an excellent sensitivity for heterozygote detection that is very close to 100%. Login to comment

PMID: 15858154 [PubMed] Schrijver I et al: "Diagnostic testing by CFTR gene mutation analysis in a large group of Hispanics: novel mutations and assessment of a population-specific mutation spectrum."

No. Sentence Comment

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. Login to comment
187 CFTR Sequence Variants Identified in Five Comprehensive CFTR Studies in US Hispanics CFTR mutations Alleles Relative mutation frequency (%) (of 317) deltaF508 123 38.80 3876delA 15 4.70 G542X 12 3.80 406 - 1GϾA 8 2.50 3849 ϩ 10kbCϾT 5 1.60 R75X 4 1.30 935delA 4 1.30 S549N 4 1.30 W1204X 4 1.30 R334W 4 1.30 2055del9ϾA 3 1 R74W 3 1 H199Y 3 1 L206W 3 1 663delT 3 1 3120 ϩ 1GϾA 3 1 L997F 3 1 I1027T 3 1 R1066C 3 1 W1089X 3 1 D1270N 3 1 2105del13insAGAAA 3 1 Q98R 2 Ͻ1 E116K 2 Ͻ1 I148T 2 Ͻ1 R668C 2 Ͻ1 P205S 2 Ͻ1 V232D 2 Ͻ1 S492F 2 Ͻ1 T501A 2 Ͻ1 1949del84 2 Ͻ1 Q890X 2 Ͻ1 3271delGG 2 Ͻ1 3272 - 26AϾG 2 Ͻ1 G1244E 2 Ͻ1 D1445N 2 Ͻ1 R553X 2 Ͻ1 E588V 2 Ͻ1 1717 - 8GϾA 2 Ͻ1 A1009T 2 Ͻ1 S1235R 2 Ͻ1 G85E 1 Ͻ1 296 ϩ 28AϾG 1 Ͻ1 406 - 6TϾC 1 Ͻ1 V11I 1 Ͻ1 Q179K 1 Ͻ1 V201 mol/L 1 Ͻ1 874insTACA 1 Ͻ1 I285F 1 Ͻ1 deltaF311 1 Ͻ1 F311L 1 Ͻ1 L320V 1 Ͻ1 T351S 1 Ͻ1 R352W 1 Ͻ1 1248 ϩ 1GϾA 1 Ͻ1 1249 - 29delAT 1 Ͻ1 1288insTA 1 Ͻ1 1341 ϩ 80GϾA 1 Ͻ1 1429del7 1 Ͻ1 1525 - 42GϾA 1 Ͻ1 P439S 1 Ͻ1 1717 - 1GϾA 1 Ͻ1 1811 ϩ 1GϾA 1 Ͻ1 deltaI507 1 Ͻ1 G551D 1 Ͻ1 A559T 1 Ͻ1 Y563N 1 Ͻ1 (Table continues) In this study, we used temporal temperature gradient gel electrophoresis (TTGE) and direct DNA sequencing to increase the sensitivity of mutation detection in U.S. Hispanics, and to determine whether additional mutations are recurrent. Login to comment

PMID: 25910067 [PubMed] Lucarelli M et al: "A Genotypic-Oriented View of CFTR Genetics Highlights Specific Mutational Patterns Underlying Clinical Macrocategories of Cystic Fibrosis."

No. Sentence Comment

300 These patients had the following mutations on the other allele: F508del (p.Phe508del) (1 CF-PS, 4 CFTR-RD and 1 CBAVD, including 2 siblings), G85E (p.Gly85Glu) (1 CF-PS), W1282X (p.Trp1282*) (2 CFTR-RD siblings), L320V (p.Leu320Val) (1 CFTR-RD), S549R(A>C) (p.Ser549Arg) (1 CFTR-RD), 711+5G>A (c.579+5G>A) (1 CBAVD) and unknown (1 CBAVD). Login to comment
370 991del5 c.859_863delAACTT CF-PI nd p.Asn287LysfsX19 L320V c.958T>G uncertain: CF-PI and/or CF-PS and/or CFTR-RD nd p.Leu320Val R334W c.1000C>T CF-PI,CF-PS CF-causing p.Arg334Trp R334L c.1001G>T CF-PS nd p.Arg334Leu T338I c.1013C>T CF-PS,CFTR-RD,CBAVD CF-causing p.Thr338Ile R347P c.1040G>C CF-PI,CF-PS CF-causing p.Arg347Pro R347H c.1040G>A CF-PS CF-causing p.Arg347His [M348K;S912X] c. Login to comment