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한국인 알코올 의존 자녀들과 도파민 D2, D4 수용체, GABAA 수용체 β Subunit 및 세로토닌 운반체 유전자 다형성 사이의 연관성에 대한 예비적 연구

Other Titles
 Association Study of Dopamine D2, D4 Receptor Gene, GABAA Receptor β Subunit Gene, and Serotonin Transporter Gene Polymorphism with Children of Alcoholics in Korea : Preliminary Study 
Authors
 천근아  ;  김재원  ;  남궁기  ;  이준영  ;  전진용 
Citation
 Journal of the Korean Neuropsychiatric Association (신경정신의학), Vol.46(1) : 5-12, 2007 
Journal Title
 Journal of the Korean Neuropsychiatric Association (신경정신의학) 
ISSN
 1015-4817 
Issue Date
2007
Keywords
COAs ; DRD2 ; DRD4 ; GABRB3 ; 5-HTTLPR ; Genetic polymorphism,
Abstract
Objectives : The studies on the genetic risk factors of the children of alcoholics (COAs) are still in an early stage. The A 1allele of the dopamine receptor 2 gene (DRD2) may be associated with the negative affect and positive alcohol expectancy of the COAs. In addition, several researchers reported that COAs might be associated with the GABAA receptor β subunit gene(GABRB3) and serotonin transporter gene (5-HTTLPR) . In this study, we investigated the association of polymorphism of theDRD2, Dopamine D4 receptor gene (DRD4), GABRB3,5-HTTLPR with COAs to examine the genetic risk factors of COAs. Methods Twenty-two COAs and 23 control children (children of non-Alcoholics; Non-COAs) were included for the genetic study. All COAs aged 6 to 18 were recruited and selected from families of alcoholic patients in alcohol clinics of three university and mental hospital. Alcoholism of parents was classified as type I (non-antisocial, late onset) and type II (antisocial, early on- -set) by Cloninger's classification. The genotyping of the DRD2, DRD4, GABRB3,5-HTTLPR was carried out. Chi-square method was used for evaluating the associations between genetic polymorphism and the COAs. Results The frequency of Al + allele of DRD2 in COAs were significantly higher than Non-COAs (х²=4.45, df= 1, p=0.035) Significant association between the genotype of DRD4 and COAs was found (х²=8.32, df= 1, p=0.004) . Gl- alleles of GABRB3 in COAs were significantly higher than in Non-COAs (х²=6.622, df= 1, p=0.022) . We found no association of the polymorphic alleles of 5-HTTLPR with the COAs (х²=0.021, df= 1, p=0.884) , There were significant associations between the type of parental alcoholism and depression of COAs. Conclusion' We found that the children of alcoholics had significantly increased genetic risk of alcohol drinking expectancy. This study provides some preliminary information on the risk and protective factors associated with the COAs, which can be used as a foundation for prevention and intervention of future psychopathology.
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Namkoong, Kee(남궁기) ORCID logo https://orcid.org/0000-0003-1400-8057
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/96621
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