Genetic association of GABA-A receptor alpha-2 and mu opioid receptor with cocaine cue-reactivity: evidence for inhibitory synaptic neurotransmission involvement in cocaine dependence.

Genetic association of GABA-A receptor alpha-2 and mu opioid receptor with cocaine cue-reactivity: evidence for inhibitory synaptic neurotransmission involvement in cocaine dependence.
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DOI:
10.1111/j.1521-0391.2012.00253.x
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发表时间:
2012-09
期刊:
The American journal on addictions
影响因子:
--
通讯作者:
Ziedonis D
Ziedonis D
中科院分区:
其他
文献类型:
--
作者:
Smelson D;Yu L;Buyske S;Gonzalez G;Tischfield J;Deutsch CK;Ziedonis D

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This pilot feasibility study examined the role of genetics in laboratory-induced cocaine craving. Thirty-Four African American, cocaine-dependent male subjects underwent a baseline assessment, cue-exposure session and genetic analysis. Subjects were classified as either cue-reactive or non-reactive. Among SNP markers in 13 candidate genes examined for association with cocaine cue-reactivity, two were statistically significant: GABRA2 (coding for GABA-A receptor alpha-2 subunit; rs11503014, nominal p = 0.001) and OPRM1 (coding for mu opioid receptor; rs2236256, nominal p = 0.03). These pilot results suggest that cocaine craving shows variability among cocaine-dependent subjects, and that GABRA2 and OPRM1 polymorphisms have differential influences on cocaine cue-reactivity, warranting studies in future research.
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