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[Alcohol consumption patterns and genotypes determining alcohol tolerance in Chilean university students]
Background:
Alleles involved in inefficient (ADH1B2*2 and ALDH2*2) or efficient (SNP6, ADH4 gene) alcohol metabolism may influence the risk of alcoholism. Alcoholism susceptibility has been classified as protector and risk-dependence phenotypes, associated with inefficient and efficient alcohol genetic metabolizing variants, respectively.
Aim:
To investigate the possible association between genetic protective and risk-dependence variants and alcohol intake patterns.
Material And Methods:
Saliva DNA samples were obtained and the AUDIT (Alcohol Use Disorders Identification Test) questionnaire was applied to 210 university students aged between 18 and 25 years old.
Results:
No statistically significant association between protective or risk-dependence genetic variants and alcohol pattern intake was detected. However, new categories of alcohol intake patterns-not included in the AUDIT questionnaire-were identified.
Conclusions:
No association between the protector and risk-dependence phenotypes and patterns of alcohol consumption was detected in this sample of students.
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