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Hum Genet. 1997 Oct;100(5-6):544-7.

A candidate gene for hemochromatosis: frequency of the C282Y and H63D mutations.

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1
Service de Génétique Moléculaire et Hormonologie, CHU Pontchaillou, Rennes, France.

Abstract

The gene whose alteration causes hereditary hemochromatosis (HFE according to the international nomenclature) was, more than 20 years ago, shown to map to 6p21.3. It has since escaped all efforts to identify it by positional cloning strategies. Quite recently, a gene named HLA-H was reported as being responsible for the disease. Two missense mutations, Cys282Tyr (C282Y) and His63Asp (H63D), were observed, but no proof was produced that the gene described is the hemochromatosis gene. To validate this gene as the actual site of the alteration causing hemochromatosis, we decided to look for the two mutations in 132 unrelated patients from Brittany. Our results indicate that more than 92% of these patients are homozygous for the C282Y mutation, and that all 264 chromosomes but 5 carry either mutation. These findings confirm the direct implication of HLA-H in hemochromatosis.

PMID:
9341868
[Indexed for MEDLINE]
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