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  • Title: HFE haemochromatosis gene mutations in liver transplant patients.
    Author: Halme L, Heliö T, Mäkinen J, Höckerstedt K, Färkkilä M, Piippo K, Krusius T, Kontula K.
    Journal: Scand J Gastroenterol; 2001 Aug; 36(8):881-5. PubMed ID: 11495086.
    Abstract:
    BACKGROUND: The majority of patients with inherited haemochromatosis carry two mutant alleles of the recently discovered HFE gene. Individuals heterozygous for the HFE mutation could be predisposed to end-stage liver disease due to other causes. METHODS: The frequencies of the HFE gene mutations C282Y and H63D were determined in DNA samples obtained from 189 liver transplant patients and 225 healthy Finnish blood donors. RESULTS: 5% of the 189 liver transplant recipients were heterozygotes and 0.5% homozygotes for the C282Y mutation, while 16% were heterozygotes and 0.5% homozygotes for the H63D mutation. These figures were not increased in comparison to controls, of whom 11% were C282Y heterozygotes, 16% H63D heterozygotes and 0.9% H63D homozygotes. Among recipients with acute non-A-E hepatitis (n = 31), the frequency of the H63D allele was higher than in controls (21% versus 9.1%, P < 0.01). Perls' stain for iron in explanted liver specimens was positive in 28% of recipients with alcoholic cirrhosis, 26% of patients with acute non-A-E hepatitis and 14% in the rest of the recipients. The HFE genotypes did not correlate with the iron status. CONCLUSION: Individuals heterozygous for either the C282Y or H63D mutation of the HFE gene are not at increased risk of developing chronic end-stage liver disease. However, subjects heterozygous for the H63D mutation may have an increased risk to develop fulminant non-A-E hepatitis.
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