The dose-effect curve of morphine for locomotor activity was shifted downwards in C57Bl/6 mice pretreated with HS014 and in A(y) mice. The dose-effect curve of morphine for antinociception is shifted two- and threefold to the left in C57Bl/6 mice pretreated with HS014 and in A(y) mice, respectively[2]. Pretreatment with HS014 blocks the effect of IL-1beta on food intake and respiratory exchange ratio (RER) at later time points (beyond 8 h post injection), as well as the hypoactivity and increases metabolic rate[4].
In Vitro
Kinase Assay
Cell Assay
Animal Administration
References
[1]. Schiöth HB,et al. Discovery of novel melanocortin4 receptor selective MSH analogues. Br J Pharmacol. 1998;124(1):75-82.
[2]. Ercil NE, et al. HS014, a selective melanocortin-4 (MC4) receptor antagonist, modulates the behavioral effects of morphine in mice. Psychopharmacology (Berl). 2005;180(2):279-285.
[3]. Kask A, et al. Selective antagonist for the melanocortin 4 receptor (HS014) increases food intake in free-feeding rats. Biochem Biophys Res Commun. 1998;245(1):90-93.
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