TITLE

The Mutation Spectrum of the CFTR Gene in Cystic Fibrosis Patients from Bashkortostan

AUTHOR(S)
Korytina, G.F.; Viktorova, T.V.; Ivashchenko, T.E.; Baranov, V.S.; Khusnutdinova, E.K.
PUB. DATE
January 2003
SOURCE
Molecular Biology;Jan/Feb2003, Vol. 37 Issue 1, p56
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Mutations of CFTR were studied in patients with cystic fibrosis (CF) from Bashkortostan. In total, 15 mutations were observed and 51% of all mutant alleles identified. The most diagnostically significant mutations were delF508 (33.8%), 394delTT (3.52%), CFTRdele2,3(21kb) (1.41%), R334W (1.41%), 3849 + 10kbC → T (1.41%), and N1303K (1.41%). Mutations G542X, 2184insA, S1196X, and W1282X were each found in less than 1% patients. Five new mutations and two neutral substitutions were revealed. These were I488M (exon 10), 1811 + 12A → C (intron 11), T663S (exon 13), I1226R (exon 19), 4005 + 9A → C (intron 20), 2097A → C (A655A, exon 13), and 3996G → C (V1288V, exon 20). Bashkortostan was shown to differ in the CFTR mutation spectrum from other regions of Russia. The results will allow direct DNA diagnostics of CF in far more families. Molecular screening of probands" relatives will contribute to identification and medical genetic counseling of heterozygous carriers, which is essential for CF prevention.
ACCESSION #
15192627

 

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