Alcohol use disorder (AUD) is a multifactorial disease caused by environmental and genetic factors. Genetic polymorphisms of the enzymes involved in alcohol metabolism influence the susceptibility to alcohol dependence. The distribution of the genetic variants varies depending on ethnicity. The aim of this study was to evaluate the effects of the polymorphisms of the three genes responsible for the degradation of ethanol, ADH1B, ADH1C, and CYP2E1 to examine the influence of these mutations on the risk for alcohol use disorder in a population from northeastern Brazil. In addition, the allelic distribution of the northeastern population will be compared with that obtained for other populations. The allelic and genotypic frequencies were determined in 163 alcoholic patients and 182 control subjects. Genotyping was performed by PCR-RFLP. The allele frequencies in the northeastern population were similar to those reported in studies in Mexico but differed significantly from those reported in studies of a Chinese population. The polymorphic variants of CYP2E1 were associated with a higher risk for alcohol use disorder [odds ratio (OR) = 2.80; 95% confidence interval (CI) = 1.35-5.83, p = 0.0072]. No significant result was obtained from the analyses of the ADH1C gene. A significant protective effect against alcohol dependence was observed in individuals carrying allelic and genotypic variations of the ADH1B gene, as determined through the combined analysis of homozygous and heterozygous variant forms of the gene in controls and alcoholics (P = 0.03). Furthermore, the combination of ADH1B*2 with ADH1C*1 and CYP2E1 (c1/c1) may confer protection against alcohol use disorder.
Objective. The present study aimed to evaluate the lipid profile and atherogenic indexes in HIV-positive women with and without coinfection with human papillomavirus. Methods. Preliminary study was conducted with HIV-positive women. Laboratory tests (lipid profile, glycid profile, and atherogenic indexes) and detection of human papillomavirus (nested PCR technique using PGMY 09 and 11 primers, GP+5, and GP+6) were performed. For the analysis of the results, the data were categorized into two groups: with coinfection (HIV+/HPV+) and without coinfection (HIV+/HPV–). Results. Eighty-two HIV-positive women, aged between 35 and 49 years, participated in this study among whom 50% had HPV coinfection (HIV+/HPV+). Regarding comorbidities, there was a predominance of dyslipidemia (46.3%). The analysis of laboratory determinations and atherogenic indexes showed statistical relevance in the serum concentrations of total cholesterol ( p = 0.04 ), LDL cholesterol ( p = 0.03 ), and non-HDL cholesterol ( p = 0.04 ), as well as for the Castelli I index, Castelli II index, and atherogenic coefficient ( p = 0.04 , 0.04, and 0.03, respectively). Conclusion. The present study demonstrated a correlation between the lipid profile and atherogenic indexes with HIV/HPV coinfection, demonstrating a possible synergy between these viruses. However, further studies in this area must be carried out.
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