Association of N-Methyl-D-Aspartate receptor 2B Subunit (GRIN2B) polymorphism with earlier age at onset of withdrawal symptoms in Indian alcohol dependent subjects

Journal of Addictive Diseases
Pradip PaulMeera Purushottam

Abstract

The associations of GRIN2B polymorphism (rs1806201) with alcohol withdrawal and related clinical parameters in alcohol dependent subjects were investigated. Cases were assessed using a semi-structured clinical pro forma for alcohol abuse and a questionnaire for family history of alcohol dependence and psychiatric disorders after obtaining informed consent. The study included alcohol dependent male cases (n = 220, age at onset of alcohol withdrawal symptoms = 32.4 ± 8.8 y) recruited at the Center for Addiction Medicine, National Institute of Mental Health and Neurosciences, Bangalore, India. The controls comprised of healthy unrelated males (n = 183) who were ethnically matched and selected randomly. The polymorphism rs1806201 was analyzed by polymerase chain reaction and restriction fragment length polymorphism. The presence of T allele at this locus was significantly associated with lower age at onset of alcohol withdrawal symptoms (p = .005) among the cases. Mean age at onset of alcohol withdrawal symptoms in subjects who were T carriers was 31.4 ± 8.5 y (n = 160) and non-T carriers was 35.2 ± 9.0 y (n = 60). The SNP rs1806201 in GRIN2B may play an important role in genetic susceptibility to earlier age of withdrawal in alcoh...Continue Reading

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Citations

Jan 21, 2020·The American Journal on Addictions·Ni FanYufen Ou

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Methods Mentioned

BETA
protein folding
Genotyping
nucleotide exchange
PCR

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