Title : Impact of prefrontal cortex in nicotine-induced excitation of ventral tegmental area dopamine neurons in anesthetized rats.

Pub. Date : 2012 Sep 5

PMID : 22956827






3 Functional Relationships(s)
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1 mPFC infusion of a non-alpha7 nicotinic acetylcholine receptor (nAChR) antagonist mecamylamine blocked the excitatory effect of systemic nicotine on the VTA DA neurons with type-I response, but mPFC infusion of nicotine failed to excite these neurons. Nicotine cholinergic receptor nicotinic beta 1 subunit Rattus norvegicus
2 mPFC infusion of a non-alpha7 nicotinic acetylcholine receptor (nAChR) antagonist mecamylamine blocked the excitatory effect of systemic nicotine on the VTA DA neurons with type-I response, but mPFC infusion of nicotine failed to excite these neurons. Nicotine cholinergic receptor nicotinic beta 1 subunit Rattus norvegicus
3 These results suggest that nAChR activation in the mPFC is necessary, but not sufficient, for systemic nicotine-induced excitation of VTA neurons. Nicotine cholinergic receptor nicotinic beta 1 subunit Rattus norvegicus