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SB269970 is a 5-HT7 receptor antagonist with pKi of 8.3, exhibits >50-fold selectivity against other receptors. pKi: 8.3 (5-HT7 receptor)[1]

SB-269970 (3-30 mg/kg; i.p.; once) significantly blocks amphetamine and ketamine-induced hyperactivity[2]. Animal Model: male C57BL6/J mice[2]

[1]. Hagan JJ, et al. Characterization of SB-269970-A, a selective 5-HT(7) receptor antagonist. Br J Pharmacol. 2000 Jun;130(3):539-48. [2]. Roberts C, et al. The effect of SB-269970, a 5-HT(7) receptor antagonist, on 5-HT release from serotonergic terminals and cell bodies. Br J Pharmacol. 2001 Apr;132(7):1574-80. [3]. Nikiforuk A, et al. Effects of the selective 5-HT7 receptor antagonist SB-269970 and amisulpride on ketamine-induced schizophrenia-like deficits in rats. PLoS One. 2013 Jun 11;8(6):e66695. [4]. Monti JM, et al. The serotonin 5-HT7 receptor agonist LP-44 microinjected into the dorsal raphe nucleus suppresses REM sleep in the rat. Behav Brain Res. 2008 Aug 22;191(2):184-9.

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