SB-334867 (SB 334867A) is an excellent,selective and blood–brain barrier permeable orexin-1 (OX1) receptor antagonist, shows selectivity over OX2 (pKb=7.4), 100-fold over 5-HT2B, 5-HT2C with pKi values of 5.4 and 5.3, respectively. SB-334867 reduces ethanol consumption and inhibits the acquisition of morphine-induced sensitization to locomotor activity in vivo.
性状
Solid
IC50 & Target[1][2]
OX1
体外研究(In Vitro)
SB-334867 (100?pM–?10?μM) inhibits the orexin-A (10?nM) and orexin-B (100?nM)-induced calcium responses in a concentration-dependent manner, with apparent pKb values of 7.27±0.04 and 7.23±0.03, but has no effect on the calcium response elicited by UTP (3?μM), which activates an endogenous purinergic receptor in CHO-OX1 and CHO-OX2 cells.
Medlife has not independently confirmed the accuracy of these methods. They are for reference only.
体内研究(In Vivo)
SB-334867 (intraperitoneal injection; 20 mg/kg; 20 days) administers 15 min before morphine injection can significantly decrease the effect of the morphine challenge dose in mice in comparison with the sporadically morphine-treated group. SB334867 (intraperitoneal injection; 3, 10 and 30 mg/kg) significantly reduces ethanol intake relative to vehicle and does not effect water consumption in female P rats. SB334867 (intraperitoneal injection; 3, 10 and 30 mg/kg) reduces ethanol consumption at the 30 mg/kg dose, high dose suppresses sucrose intake relative to vehicle, and it results in lower blood ethanol concentrations (BECs) relative to both the 10 and 30 mg/kg doses.
Medlife has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Model:
Male Swiss mice
Dosage:
20 mg/kg
Administration:
Intraperitoneal injection
Result:
Inhibited the acquisition of morphine-induced sensitization to locomotor activity of mice.
Animal Model:
C57BL/6J Mice
Dosage:
3, 10 and 30 mg/kg
Administration:
Intraperitoneal injection
Result:
Reduced ethanol consumption, BECs and suppressed sucrose intake in mice.
SB-334867 is dissolved in the aCSF (in mM: 133.3 NaCl, 3.4 KCl, 1.3 CaCl2, 1.2 MgCl2, 0.6 NaH2PO4, 32.0 NaHCO3, and 3.4 glucose, with pH adjusted to 7.4).