ABCC7 p.Leu101*
| ClinVar: |
c.302T>G
,
p.Leu101*
?
, not provided
c.302T>C , p.Leu101Ser ? , not provided |
| CF databases: |
c.302T>C
,
p.Leu101Ser
(CFTR1)
D
,
|
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[hide] Distribution of CFTR mutations in Eastern Hungaria... J Cyst Fibros. 2011 May;10(3):217-20. doi: 10.1016/j.jcf.2010.12.009. Epub 2011 Feb 4. Ivady G, Madar L, Nagy B, Gonczi F, Ajzner E, Dzsudzsak E, Dvorakova L, Gombos E, Kappelmayer J, Macek M Jr, Balogh I
Distribution of CFTR mutations in Eastern Hungarians: relevance to genetic testing and to the introduction of newborn screening for cystic fibrosis.
J Cyst Fibros. 2011 May;10(3):217-20. doi: 10.1016/j.jcf.2010.12.009. Epub 2011 Feb 4., [PMID:21296036]
Abstract [show]
BACKGROUND: The aim of this study was characterization of an updated distribution of CFTR mutations in a representative cohort of 40 CF patients with the classical form of the disease drawn from Eastern Hungary. Due to the homogeneity of the Hungarian population our data are generally applicable to other regions of the country, including the sizeable diaspora. METHODS: We utilized the recommended "cascade" CFTR mutation screening approach, initially using a commercial assay, followed by examination of the common "Slavic" deletion CFTRdele2,3(21kb). Subsequently, the entire CFTR coding region of the CFTR gene was sequenced in patients with yet unidentified mutations. RESULTS: The Elucigene CF29(Tm) v2 assay detected 81.25% of all CF causing mutations. An addition of the CFTRdele2,3(21kb) increased the mutation detection rate to 86.25%. DNA sequencing enabled us to identify mutations on 79/80 CF alleles. Mutations [CFTRdele2,3(21kb), p.Gln685ThrfsX4 (2184insA) were found at an unusually high frequency, each comprising 5.00% of all CF alleles. CONCLUSION: We have identified common CF causing mutations in the Hungarian population with the most common mutations (p.Phe508del, p.Asn1303Lys, CFTRdele2,3(21kb), 2184insA, p.Gly542X, and p.Leu101X), comprising over 93.75% of all CF alleles. Obtained data are applicable to the improvement of DNA diagnostics in Hungary and beyond, and are the necessary prerequisite for the introduction of a nationwide "two tier" CF newborn screening program.
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No. Sentence Comment
77 CFTR mutation Germany 1994 Romania 2008 Austria 1997 Slovakia 2008 Hungary 1992 This study deltaF508 (c.1521_1523 delCTT) 72.0% 56.3% 74.6% 38.2% 64.3% 70.0% G551D (c.1652 GNA) 1.0% N/F 1.6% N/F N/F N/F R553X (c.1657 CNT) 2.3% N/F N/F 1.2% 2.4% N/F G542X (c.1624 GNT) 1.4% 3.9% 2.4% 2.4% 1.2% 3.75% 621+1 GNT (c.489+1 GNT) 0.1% 0.8% N/F N/F N/F N/F 1717-1 GNA (c.1585-1 GNA) 0.9% N/F 0.8% 0.6% 1.2% 1.25% W1282X (c.3846 GNA) 0.7% 2.3% N/F N/F 1.2% N/F N1303K (c.3909 CNG) 2.3% 0.8% N/F 1.2% 1.2% 5.0% R347P (c.1040 GNC) 1.6% N/F 1.6% 1.2% N/A 1.25% CFTRdele2,3(21 kb) 1.5%a 1.6% 2.6%a 1.1%a N/A 5.0% 2184insA (c.2052_2053 insA) 0.6% N/F N/F 2.4% N/A 5.0% L101X (c.302 TNG) N/F N/F N/F N/F N/A 2.5% Q220X (c.658 CNT) N/F N/F N/F N/F N/A 1.25% S466X (c.1397 CNG) N/F N/F N/F N/F N/A 1.25% E831X (c.2491 GNT) N/F N/F N/F 0.6% N/A 1.25% Y1092X (c.3276 CNA) 0.3% N/F N/F N/F N/A 1.25% Legend: data for Germany [8], Romania [9], Austria [10], Slovakia [11] and Hungary [3]; N/A: not analyzed; N/F: not found, a frequencies reported by Dork et al. in 2000 [6], mutations included in the Elucigene CF29 v2 assay are formatted in italics; the original "legacy name" is followed by the recommended mutation nomenclature [17].
X
ABCC7 p.Leu101* 21296036:77:655
status: NEW