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PMID: 1377276 Published · ppublish English Journal Article

Cystic fibrosis mutations delta F508 and G542X in Jewish patients.

Journal of medical genetics ·Vol. 29 ·No. 2 ·1992-02-00 ·Pages 131-3

Lerer I, Sagi M, Cutting GR, Abeliovich D

Abstract

We have screened our CF patients for mutations in exons 10 and 11 of the CFTR gene. Two mutations, delta F508 and G542X, have been found in 66 Jewish CF patients. The average frequency of the delta F508 mutation in the Jewish population is 33.8%. The G542X mutation accounts for 13% of the Ashkenazi CF mutations and has been found in three out of seven chromosomes of Jewish patients from Turkey (probably descended from Ashkenazi immigrants). The G542X mutation was not found in any of the other non-Ashkenazi patients. All the G542X bearing chromosomes have the same haplotype. Based on these observations it is concluded that the G542X mutation was introduced into the Jewish people after the split into Ashkenazi and non-Ashkenazi.

MeSH Terms
Base Sequence Cystic Fibrosis/ethnology,genetics Cystic Fibrosis Transmembrane Conductance Regulator Exons/genetics Haplotypes/genetics Humans Jews/genetics Membrane Proteins/genetics Molecular Sequence Data Mutation/genetics
Chemicals
CFTR protein, human Membrane Proteins Cystic Fibrosis Transmembrane Conductance Regulator
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Lerer I
Department of Human Genetics, Hadassah Hebrew University Hospital, Jerusalem, Israel.
Sagi M
Cutting G R
Abeliovich D
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Article Info
Journal
Journal of medical genetics
Abbr.
J Med Genet
ISSN
0022-2593
Published
1992-02-00
Pages
131-3
Language
English
Region
England
NLM ID
2985087R
PMCID
PMC1015854
Subset
IM
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