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Interindividual variation in anxiety response to amphetamine: Possible role for adenosine A 2A receptor gene variants
Amphetamine is thought to produce its stimulant effects mainly via the dopamine system, but its effects may also be influenced by other systems. Dopamine D 1 and D 2 receptors exist as heterodimers with adenosine A 1 and A 2A receptors, which modulate their responsiveness, suggesting that responses...
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Published in: | American journal of medical genetics. Part B, Neuropsychiatric genetics Neuropsychiatric genetics, 2005-11, Vol.139B (1), p.42-44 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Amphetamine is thought to produce its stimulant effects mainly via the dopamine system, but its effects may also be influenced by other systems. Dopamine D
1
and D
2
receptors exist as heterodimers with adenosine A
1
and A
2A
receptors, which modulate their responsiveness, suggesting that responses to amphetamine may also depend on adenosinergic function. We therefore studied the relevance of one adenosine A
1
and three adenosine A
2A
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/T
ins
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 A
2A
receptor gene polymorphisms in anxiety. © 2005 Wiley‐Liss, Inc. |
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ISSN: | 1552-4841 1552-485X |
DOI: | 10.1002/ajmg.b.30228 |