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  • Title: [Mutation p.E92K is the primary cause of cystic fibrosis in Chuvashes].
    Author: Stepanova AA, Abrukova AV, Savaskina EN, Poliakov AV.
    Journal: Genetika; 2012 Jul; 48(7):863-71. PubMed ID: 22988772.
    Abstract:
    Molecular genetic study of the CFTR gene in cystic fibrosis patients from the Chuvash Republic is presented. We found linkage disequilibrium of the disease with 22-7-16-13 haplotype using intragenic markers. Major mutation p.E92K was revealed in chromosomes carrying this haplotype. The frequency of this mutation in Chuvash patients was 66.6%. Population study of the distribution of two mutations (p.E92K and F508del) of the CFTR gene revealed that their population frequency in heterozygous carriers was one per 37 subjects while calculated cystic fibrosis frequency in Chuvashia is one per 5420 newborns.
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