Interindividual variation in anxiety response to amphetamine: possible role for adenosine A2A receptor gene variants

Hohoff, Christa, McDonald, Jennifer M., Baune, Bernhard T., Cook, Edwin H., Deckert, Jurgen, and de Wit, Harriet (2005) Interindividual variation in anxiety response to amphetamine: possible role for adenosine A2A receptor gene variants. American Journal of Medical Genetics Part B (Neuropsychiatric Genetics), 139B (1). pp. 42-44.

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Abstract

Amphetamine is thought to produce its stimulant effects mainly via the dopamine system, but its effects may also be influenced by other systems. Dopamine D1 and D2 receptors exist as heterodimers with adenosine A1 and A2A receptors, which modulate their responsiveness, suggesting that responses to amphetamine may also depend on adenosinergic function. We therefore studied the relevance of one adenosine A1 and three adenosine A2A receptor gene polymorphisms for the interindividual variability in amphetamine response in 99 healthy volunteers who received placebo or d-amphetamine (10 or 20 mg). The 1976C/T and 2592C/Tins polymorphisms of the adenosine receptor gene were associated with increases in anxiety at both doses. This is consistent with recent observations indicating a role for adenosine A2A receptor gene polymorphisms in anxiety.

Item ID: 8701
Item Type: Article (Refereed Research - C1)
Keywords: drug response; dopamine D2 receptor; adenosine A2A receptor gene polymorphisms; anxiety
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ISSN: 1552-4841
Date Deposited: 24 Feb 2010 04:55
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1109 Neurosciences > 110999 Neurosciences not elsewhere classified @ 100%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920410 Mental Health @ 100%
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