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Review
. 2024 Apr 26.
doi: 10.1038/s41401-024-01269-w. Online ahead of print.

Insomnia-related rodent models in drug discovery

Ze-Ka Chen #  1   2 , Yuan-Yuan Liu #  1 , Ji-Chuan Zhou  1 , Gui-Hai Chen  3 , Chun-Feng Liu  4 , Wei-Min Qu  5 , Zhi-Li Huang  6
Affiliations
Review

Insomnia-related rodent models in drug discovery

Ze-Ka Chen et al. Acta Pharmacol Sin. .

Abstract

Despite the widespread prevalence and important medical impact of insomnia, effective agents with few side effects are lacking in clinics. This is most likely due to relatively poor understanding of the etiology and pathophysiology of insomnia, and the lack of appropriate animal models for screening new compounds. As the main homeostatic, circadian, and neurochemical modulations of sleep remain essentially similar between humans and rodents, rodent models are often used to elucidate the mechanisms of insomnia and to develop novel therapeutic targets. In this article, we focus on several rodent models of insomnia induced by stress, diseases, drugs, disruption of the circadian clock, and other means such as genetic manipulation of specific neuronal activity, respectively, which could be used to screen for novel hypnotics. Moreover, important advantages and constraints of some animal models are discussed. Finally, this review highlights that the rodent models of insomnia may play a crucial role in novel drug development to optimize the management of insomnia.

Keywords: drug discovery; hypnotics; insomnia; rodent models; sleep–wake profile.

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