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Nicotine enhances object recognition memory through inhibition of voltage-dependent potassium 7 channels in the medial prefrontal cortex of mice. | LitMetric

Nicotine enhances object recognition memory through inhibition of voltage-dependent potassium 7 channels in the medial prefrontal cortex of mice.

J Pharmacol Sci

Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kanazawa 920-1192, Japan. Electronic address:

Published: September 2021

AI Article Synopsis

Article Abstract

Nicotine administration enhances object recognition memory. However, target brain regions and cellular mechanisms underlying the nicotine effects remain unclear. In mice, the novel object recognition test revealed that systemic nicotine administration before training enhanced object recognition memory. Moreover, this effect was inhibited by infusion of retigabine, a selective voltage-dependent potassium 7 (Kv7) channel opener, into the medial prefrontal cortex (mPFC) before nicotine administration. Additionally, infusion of XE-991, a selective Kv7 channel blocker, into the mPFC before training enhanced object recognition memory. Therefore, Kv7 channels in the mPFC may be at least partly involved in nicotine-induced enhancement of object recognition memory.

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Source
http://dx.doi.org/10.1016/j.jphs.2021.05.009DOI Listing

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