ABCC7 p.Ser776*
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c.2327C>G
,
p.Ser776*
?
, not provided
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[hide] High heterogeneity of CFTR mutations and unexpecte... J Cyst Fibros. 2004 Dec;3(4):265-72. des Georges M, Guittard C, Altieri JP, Templin C, Sarles J, Sarda P, Claustres M
High heterogeneity of CFTR mutations and unexpected low incidence of cystic fibrosis in the Mediterranean France.
J Cyst Fibros. 2004 Dec;3(4):265-72., [PMID:15698946]
Abstract [show]
In this report, we present updated spectrum and frequency of mutations of the CFTR gene that are responsible for cystic fibrosis (CF) in Languedoc-Roussillon (L-R), the southwestern part of France. A total of 75 different mutations were identified by DGGE in 215 families, accounting for 97.6% of CF genes and generating 88 different mutational genotypes. The frequency of p.F508del was 60.23% in L-R versus 67.18% in the whole country and only five other mutations (p.G542X, p.N1303K, p.R334W, c.1717-1G>A, c.711+1G>T) had a frequency higher than 1%. The mutations were scattered over 20 exons or their border. This sample representing only 5.7% of French CF patients contributed to 24% of CFTR mutations reported in France. This is one of the highest molecular allelic heterogeneity reported so far in CF. We also present the result of a neonatal screening program based on a two-tiered approach "IRT/20 mutations/IRT" analysis on blood spots, implemented in France with the aim to improve survival and quality of life of patients diagnosed before clinical onset. This 18-month pilot project showed an unexpected low incidence of CF (1/8885) in South of France, with only six CF children detected among 43,489 neonates born in L-R, and 13 among 125,339 neonates born in Provence-Alpes-Cote-d'Azur (PACA).
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No. Sentence Comment
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.Ser776* 15698946:68:1080
status: NEW[hide] Spectrum of CFTR mutations in cystic fibrosis and ... Hum Mutat. 2000;16(2):143-56. Claustres M, Guittard C, Bozon D, Chevalier F, Verlingue C, Ferec C, Girodon E, Cazeneuve C, Bienvenu T, Lalau G, Dumur V, Feldmann D, Bieth E, Blayau M, Clavel C, Creveaux I, Malinge MC, Monnier N, Malzac P, Mittre H, Chomel JC, Bonnefont JP, Iron A, Chery M, Georges MD
Spectrum of CFTR mutations in cystic fibrosis and in congenital absence of the vas deferens in France.
Hum Mutat. 2000;16(2):143-56., [PMID:10923036]
Abstract [show]
We have collated the results of cystic fibrosis (CF) mutation analysis conducted in 19 laboratories in France. We have analyzed 7, 420 CF alleles, demonstrating a total of 310 different mutations including 24 not reported previously, accounting for 93.56% of CF genes. The most common were F508del (67.18%; range 61-80), G542X (2.86%; range 1-6.7%), N1303K (2.10%; range 0.75-4.6%), and 1717-1G>A (1.31%; range 0-2.8%). Only 11 mutations had relative frequencies >0. 4%, 140 mutations were found on a small number of CF alleles (from 29 to two), and 154 were unique. These data show a clear geographical and/or ethnic variation in the distribution of the most common CF mutations. This spectrum of CF mutations, the largest ever reported in one country, has generated 481 different genotypes. We also investigated a cohort of 800 French men with congenital bilateral absence of the vas deferens (CBAVD) and identified a total of 137 different CFTR mutations. Screening for the most common CF defects in addition to assessment for IVS8-5T allowed us to detect two mutations in 47.63% and one in 24.63% of CBAVD patients. In a subset of 327 CBAVD men who were more extensively investigated through the scanning of coding/flanking sequences, 516 of 654 (78. 90%) alleles were identified, with 15.90% and 70.95% of patients carrying one or two mutations, respectively, and only 13.15% without any detectable CFTR abnormality. The distribution of genotypes, classified according to the expected effect of their mutations on CFTR protein, clearly differed between both populations. CF patients had two severe mutations (87.77%) or one severe and one mild/variable mutation (11.33%), whereas CBAVD men had either a severe and a mild/variable (87.89%) or two mild/variable (11.57%) mutations.
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No. Sentence Comment
109 h M1K, K14X, W19X, 211delG, G27E, R31C, 237insA, 241delAT, Q39X, 244delTA, 296+2T>C, 297-3C>T, W57X+F87L, 306delTAGA, P67L, A72D, 347delC, R75Q, 359insT, 394delT, 405+4A>G, Q98R, 457TAT>G, R117H+5T, R117H+I1027T, R117L, R117P, H139R, A141D, M152V, N186K, D192N, D192del, E193X, 711+1G>A, 711+3A>G, 712-1G>T, L206F, W216X, C225R, Q237E, G241R, 852del22, 876-14del12, 905delG, 993del5, E292K, Y304X, F311del, 1161delC, R347L, R352Q, W361R, 1215delG, S364P, S434X, D443Y, S466X, C491R, T501A, I506T, F508C, I507del+F508C, F508del+L467F, 1774delCT, R553G, 1802delC, 1806delA, A559E, Y563N, 1833delT, Y569C, Y569H, Y569X, G576X, G576A, T582I, 1898+3A>G+186-13C>G, 1918delGC, R600G, L610S, G628R, 2043delG, 2118del4, E664X, 2174insA, Q689X, K698R, K716X, L732X, 2347delG, 2372del8, R764X, 2423delG, S776X, 2634insT, 2640delT, C866Y, 2752-1G>T, W882X, Y913C, V920M, 2896insAG, H939D, H939R, D979V, D985H, D993Y, 3120G>A, I1005R, 3195del6, 3293delA, 3320ins5, W1063X, A1067T, 3359delCT, T1086I, W1089X, Y1092X+S1235R, W1098X, E1104X, R1128X, 3532AC>GTA, 3548TCAT>G, M1140del, 3600G>A, R1162L, 3667ins4, 3732delA+K1200E, S1206X, 3791delC, S1235R+5T, Q1238R, Q1238X, 3849+4A>G, T1246I, 3869insG, S1255P, R1283K, F1286S, 4005+1G>T, 4006-8T>A, 4015delA, N1303H, N1303I, 4172delGC, 4218insT, 4326delTC, Q1382X, 4375-1C>T, 4382delA, D1445N, CF40kbdel4-10, Cfdel17b.
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ABCC7 p.Ser776* 10923036:109:793
status: NEW