期刊
TRENDS IN NEUROSCIENCES
卷 29, 期 12, 页码 695-703出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tins.2006.10.005
关键词
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资金
- Intramural NIH HHS Funding Source: Medline
Cocaine addiction is characterized by compulsive drug-taking behavior and high rates of relapse. According to recent theories, this addiction is due to drug-induced adaptations in the cellular mechanisms that underlie normal learning and memory. Such mechanisms involve signaling by extracellular signal-regulated kinase (ERK). As we review here, evidence from rodent studies also implicates ERK in cocaine psychomotor sensitization, cocaine reward, consolidation and reconsolidation of memories for cocaine cues, and time-dependent increases in cocaine seeking after withdrawal (incubation of cocaine craving). The role of ERK in these behaviors involves long-term stable alterations in synaptic plasticity that result from repeated cocaine exposure, and also rapidly induced alterations in synaptic transmission events that acutely control cocaine-seeking behaviors. Pharmacological manipulations that decrease the extent to which cocaine and cocaine cues induce ERK activity might therefore be considered as potential treatments for cocaine addiction.
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