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VU0467154 is a positive allosteric modulator of the M4 muscarinic acetylcholine receptor (mAChR), potentiating the response to ACh with pEC50s of 7.75, 6.2 and 6 for rat, human and cynomolgus monkey M4 receptor, respectively.

VU0467154 is a positive allosteric modulators of the M4 muscarinic acetylcholine receptor (mAChR), robustly potentiates the response to ACh with pEC50s of 7.75, 6.2 and 6 for rat, human and cynomolgus monkey (cyno) M4 receptor, respectively. VU0467154 does not potentiate the ACh response at rat and human M1, M2, M3, or M5[1].

VU0467154 (1-56.6 mg/kg, p.o. or i.p.) reverses amphetamine-induced hyperlocomotion in rats. VU0467154 (0.3-30 mg/kg, i.p.) reverses amphetamine- and MK-801-induced hyperlocomotion in wild-type but not M4 KO mice. VU0467154 alone also enhances the acquisition of both contextual and cue-mediated fear conditioning in wild-type mice[1].

[1]. Bubser M, et al. Selective activation of M4 muscarinic acetylcholine receptors reverses MK-801-induced behavioral impairments and enhances associative learning in rodents. ACS Chem Neurosci. 2014 Oct 15;5(10):920-42.

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