Genetic Predisposition to Alcoholic Toxic Cirrhosis

Genetic Predisposition to Alcoholic Toxic Cirrhosis Comprehensive analysis of the contribution of genetic factors into predisposition to alcoholic toxic cirrhosis (TC) was performed. The AB0, RH, HP, TF, GC, PI, ACP1, PGM1, ESD, GLO1, and GST1 genetic polymorphisms were compared in 34- to 59-year-old male TC patients and control donors of the same sex and age. The phenotypic frequencies in the TC group deviated from the theoretically expected values; the main difference was the excess of rare homozygotes for the lociGC, ACP1, ESD, and GLO1.In the TC patients, the observed heterozygosity (H o) was considerably lower than the theoretically expected value (H e). Wright's fixation index (F) in the TC patients was 30 times higher than in the control group (0.0888 and 0.0027, respectively). A considerable decrease in the ABO*0allele frequency at the expense of an increase in the ABO*Aallele frequencywas observed in the TC patients as compared to the control sample. The TF*C2allele frequencywas two times higher in the patients than in the control group (0.2571 and 0.1308, respectively). The frequencies ofPI*Zand PI*S, the PIalleles that are responsible for lower concentrations of proteinase inhibitor, were 12 and 6 times higher in the TC than in the control group. The TC patients exhibited a significantly higher frequency of the liver glutathione-S-transferase GST1*0allele, whereas the GST1*2frequency was two times higher in the control subjects than in the TC patients (0.2522 and 0.0953, respectively). The TC and control groups showed statistically significant differences in the frequencies of the following alleles of six independent loci: ABO*0, TF*C1, TF*C2, PI*M1, PI*Z, ACP1*C, PGM1*1+, PGM1*1–, PGM1*2–, GST1*0, andGST1*2. The haptoglobin level was significantly higher and the serum transferrin level was drastically lower in all phenotypic groups of TC patients than in control subjects. The concentrations of IgM and IgG depended on the HP, GC, and PI phenotypes. The total and direct reacting bilirubin concentrations depended on the red cell-enzyme phenotypes (ACP1, PGM1, and GLO1) in both TC and control groups. Russian Journal of Genetics Springer Journals

Genetic Predisposition to Alcoholic Toxic Cirrhosis

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Biomedicine; Human Genetics
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