Volume 26, Issue 5 (9-2022)                   IBJ 2022, 26(5): 398-405 | Back to browse issues page


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Hosseini Nami A, Kabiri M, Zeinali S. Reporting Two Novel Mutations in Two Iranian Families with Cystic Fibrosis, Molecular and Bioinformatic Analysis. IBJ 2022; 26 (5) :398-405
URL: http://ibj.pasteur.ac.ir/article-1-3713-en.html
Abstract:  
Background: Cystic fibrosis (CF) is the most common heredity disease among the Caucasian population. More than 350 known pathogenic variations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene (NM_000492.4) cause CF. Herein, we report the outcome of our investigation in two unrelated Iranian families with CF patients.
Methods: We conducted phenotypic examination, segregation, linkage analysis, and CFTR gene sequencing to define causative mutations.
Results: We found two novel mutations in the present study. The first one was a deletion causing frameshift,c.299delT p.(Leu100profs*7), and the second one was a missense mutation, c. 1857G>T., at nucleotide binding domain 1 of the CFTR protein. Haplotype segregation data supported our new mutation findings.
Conclusion: Findings of this study expand the spectrum of CFTR pathogenic variations and can improve prenatal diagnosis and genetic counseling for CF.

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