Title : Genetic variation within the Chrna7 gene modulates nicotine reward-like phenotypes in mice.

Pub. Date : 2014 Feb

PMID : 24289814






7 Functional Relationships(s)
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1 Genetic variation within the Chrna7 gene modulates nicotine reward-like phenotypes in mice. Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
2 Genetic analysis of gene expression and behavior identified Chrna7 as potentially modulating nicotine place conditioning in the BXD panel of inbred mice. Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
3 We used gene targeting and pharmacological tools to confirm the role of Chrna7 in nicotine conditioned place preference (CPP). Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
4 In the BXD panel, we found a putative cis expression quantitative trait loci (eQTL) for Chrna7 in NAc that correlated inversely to nicotine CPP. Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
5 In B6 mice, the alpha7 nicotinic acetylcholine receptor (nAChR)-selective agonist, PHA-543613, dose-dependently blocked nicotine CPP, which was restored using the alpha7 nAChR-selective antagonist, methyllycaconitine citrate (MLA). Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
6 In B6 mice, the alpha7 nicotinic acetylcholine receptor (nAChR)-selective agonist, PHA-543613, dose-dependently blocked nicotine CPP, which was restored using the alpha7 nAChR-selective antagonist, methyllycaconitine citrate (MLA). Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus
7 Mice lacking Chrna7 demonstrate increased insulin signaling in the NAc, which may modulate nicotine place preference. Nicotine cholinergic receptor, nicotinic, alpha polypeptide 7 Mus musculus