Association between a polymorphism in the promoter of a glutamate receptor subunit gene (GRIN2A) and alcoholism
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Domart, Marie-Charlotte
[1
]
Benyamina, Amine
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Hop Paul Brousse, AP HP, Serv Addictol, F-94800 Villejuif, France
INSERM, U669, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Benyamina, Amine
[2
,3
]
Lemoine, Antoinette
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Univ Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Lemoine, Antoinette
[1
]
Bourgain, Catherine
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INSERM, U669, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Bourgain, Catherine
[3
]
Blecha, Lisa
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Hop Paul Brousse, AP HP, Serv Addictol, F-94800 Villejuif, France
INSERM, U669, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Blecha, Lisa
[2
,3
]
Debuire, Brigitte
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Univ Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Debuire, Brigitte
[1
]
Reynaud, Michel
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Hop Paul Brousse, AP HP, Serv Addictol, F-94800 Villejuif, France
INSERM, U669, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Reynaud, Michel
[2
,3
]
Saffroy, Raphael
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Univ Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, FranceUniv Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
Saffroy, Raphael
[1
]
机构:
[1] Univ Paris 11, Hop Paul Brousse, AP HP, INSERM,Lab Biochim & Biol Mol,IFR89,U1004, Villejuif, France
[2] Hop Paul Brousse, AP HP, Serv Addictol, F-94800 Villejuif, France
A variable (GT)n repeat in the 5'-regulatory region of N-methyl-D-aspartate GRIN2A subtype has recently been identified and associated with psychiatric disorders. In this study, we examined the association of this polymorphism with alcohol dependence. Subjectcontrol analysis included 206 alcohol-dependent and 168 control subjects. Average observed repeat numbers and genotype distributions were significantly different (P-value = 0.001) in alcohol-dependent subjects versus control subjects. Short alleles were significantly less frequent among alcohol-dependent subjects (odds ratio = 0.58, P-value = 7 x 10(-4)). These results could be replicated in an independent sample of 116 alcohol-dependent subjects. For the first time, a significant association was identified between this polymorphism and alcoholism.