Dopamine genes and pathological gambling in discordant sib-pairs

da Silva Lobo, Daniela Sabbatini and Vallada, Homero P. and Knight, Joanne and Martins, Silvia S. and Tavares, Hermano and Gentil, Valentim and Kennedy, James L. (2007) Dopamine genes and pathological gambling in discordant sib-pairs. Journal of Gambling Studies, 23 (4). pp. 421-433. ISSN 1050-5350

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Abstract

Pathological gambling (PG) is an impulse control disorder that has been considered as a behavioral addiction. Recent studies have suggested the involvement of the dopaminergic system in addictions and impulse control disorders and associations of dopamine receptor genes (DRD1, DRD2, and DRD4) and PG have been reported. In the present study, 140 sib-pairs discordant for the diagnosis of PG (70 males and 70 females on each group) were recruited through the Gambling Outpatient Unit at the Institute of Psychiatry, University of Sao Paulo and were assessed by trained psychiatrists. A family-based association design was chosen to prevent population stratification. All subjects were genotyped for dopamine receptor genes (DRD1 -800 T/C, DRD2 TaqIA RFLP, DRD3 Ser9Gly, DRD4 48bp exon III VNTR, DRD5 (CA) repeat) and the dopamine transporter gene (SCL6A3 40 bp VNTR). Our results suggest the association of PG with DRD1 -800 T/C allele T (P = .03).

Item Type:
Journal Article
Journal or Publication Title:
Journal of Gambling Studies
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3300/3312
Subjects:
?? ADULTBRAZILCOMORBIDITYDISRUPTIVE, IMPULSE CONTROL, AND CONDUCT DISORDERSDOPAMINE PLASMA MEMBRANE TRANSPORT PROTEINSFEMALEHUMANSMALEMIDDLE AGEDPOLYMORPHISM, GENETICRECEPTORS, DOPAMINERECEPTORS, DOPAMINE D1RECEPTORS, DOPAMINE D2RECEPTORS, DOPAMINE D3RECEPTO ??
ID Code:
79895
Deposited By:
Deposited On:
07 Jun 2016 16:00
Refereed?:
Yes
Published?:
Published
Last Modified:
17 Sep 2023 01:52