title: Corticotropin-releasing factor receptor type-2 is involved in the cocaine-primed reinstatement of cocaine conditioned place preference in rats.
abstract: Here we explored the in vivo role of brain corticotropin-releasing factor receptor type-2 (CRFR2) in cocaine-primed reinstatement of drug seeking. Conditioned place preference (CPP) procedure was used to assess the acquisition, extinction and reinstatement of cocaine-seeking behavior in rats. First, expressions of CRFR2 were shown to be affected in a brain region-specific manner within cocaine-induced CPP and cocaine-extinct CPP models. Bilateral blockade of CRFR2 in the dorsal portion of the medial prefrontal cortex (mPFC), or hippocampus (HP) was partially inhibited, but in the dorsal striatum (DS) did not affect, the cocaine-primed reinstatement of cocaine CPP.
authors.affiliation: Department of Human Anatomy, Nanjing Medical University, Nanjing 210029, China. Electronic address: guanxw918@njmu.edu.cn.
authors.forename: Xiaowei
authors.initials: X
authors.lastname: Guan
authors.forename: Rong
authors.initials: R
authors.lastname: Wan
authors.forename: Chao
authors.initials: C
authors.lastname: Zhu
authors.forename: Shengnan
authors.initials: S
authors.lastname: Li
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects / Q000502:physiology; D003042:Cocaine / Q000494:pharmacology*; D003216:Conditioning, Operant / Q000187:drug effects / Q000502:physiology*; D003342:Corpus Striatum / Q000187:drug effects / Q000378:metabolism*; D005108:Extinction, Psychological / Q000187:drug effects / Q000502:physiology; D008297:Male; D017397:Prefrontal Cortex / Q000187:drug effects / Q000378:metabolism*; D051381:Rats; D017207:Rats, Sprague-Dawley; D018019:Receptors, Corticotropin-Releasing Hormone / Q000378:metabolism*; D012054:Reinforcement, Psychology
chemical_list: C101531:CRF receptor type 2; D018019:Receptors, Corticotropin-Releasing Hormone; D003042:Cocaine
keywords: Ast2B; CPP; CRF; CRFR1; CRFR2; Cocaine; Conditioned place preference; Corticotropin-releasing factor type-2 receptor; DS; HP; Reinstatement; astressin2-B; conditioned place preference; corticotropin-releasing factor; corticotropin-releasing factor type-1 receptor; corticotropin-releasing factor type-2 receptor; dorsal striatum; hippocampus; mPFC; medial prefrontal cortex