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Article in Chinese | WPRIM | ID: wpr-883971


Objective:To explore the relationship between rs671 (ALDH2), rs1229984 (ADH1B), RS141973904 (ADH1C), RS1799971 (OPRM1), rs1997794 (PDYN) polymorphism and individual's alcohol subjective response and drinking behavior.Methods:From January to December 2018, patients with alcohol dependence who were hospitalized in the First Affiliated Hospital of Xinjiang Medical University and Xinjiang mental health center and met the DSM-IV were selected (alcohol dependence group, n=100). Alcohol dependence patients and normal healthy subjects (control group, n=100) completed general demographic questionnaire, including drinking behavior such as the frequency of drinking each week and the maximum alcohol consumption at one drink, and informed consent, then were extracted of venous blood for DNA test.After that, alcoholics completed the alcohol challenge test.Biphasic alcohol effect scale(BAES) and drug effect questionnaire (DEQ) were completed before drinking and after drinking 30, 60, 120, 180 minutes respectively.Hardy-Weinberg equilibrium for genetic linkage analysis was calculated by utility program.Pearson Chi-square test was used to analyze the odds ratio(OR) value, and the chi-square test of repeated measured variables were used to analyze the variation trend of individual subjective response to alcohol after drinking. Results:rs671 allele A was associated with alcohol dependence risk (χ 2=23.97, P<0.01, OR=7.11, 95% CI=2.93~17.30), and for rs1229984 polymorphism the dominant genetic model " T/T-C/T" was taken as the best fitting model ( P<0.01, OR=0.16, 95% CI=0.08-0.32), which was a protective factor for alcohol dependence.Alcoholics with TT genotype in rs1229984 had lower maximum alcohol consumption ( F=4.86, P=0.01) and weekly alcohol consumption ( F=4.51, P=0.01) than those with CC and CT genotype.The maximum alcohol consumption ( F=20.28, P<0.01) and weekly alcohol consumption ( F=12.46, P<0.01) of individuals with GG and GA genotype in rs1799971 were higher than those with AA genotype.The AA genotype of rs1799971 showed lower stimulative effect ( F=7.99, P=0.01), higher sedative effect ( F=57.04, P<0.01), and lower " like" ( F=13.38, P<0.01) and " more" effect ( F=26.37, P<0.01) than that with GG and GA genotype. Conclusion:rs671 and rs1229984 are more closely related to individual drinking behavior and volume of alcohol consumption.rs1799971 is not only related to individual drinking behavior, but also has a more closed relationship with subjective response to alcohol.