Genotype analysis of adult cystic fibrosis patients.

Abstract:

:To assess the relationship between the genotype and phenotype of adult CF patients we have selected from a group of 512 CF patients attending centres in France, all these of greater than 35 years. We have analysed the entire coding sequence of their CFTR genes. The complete genotype was determined in 7 of the 8 patients and clinical data regarding pancreatic, respiratory and reproductive function were carefully evaluated. All these patients are compound heterozygote, seven carrying the delta F508 and one the G542X on one allele. The other allele carried is: (i) a missense mutation located in exons coding for transmembrane region in five patients [R334W (1); I336K (2); R117H (1); H1054D (1)]; (ii) a splice mutation in two patients [2789 + 5G-->A], (iii) an uncharacterised mutations in one patient. These results strongly suggest less severe CF phenotype to be associated with these mutations and strengthen the hypothesis that less severe phenotype are genetically determined.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

Férec C,Verlingue C,Guillermit H,Quéré I,Raguénès O,Feigelson J,Audrézet MP,Moullier P,Mercier B

doi

10.1093/hmg/2.10.1557

subject

Has Abstract

pub_date

1993-10-01 00:00:00

pages

1557-60

issue

10

eissn

0964-6906

issn

1460-2083

journal_volume

2

pub_type

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