A-922500 is a potent orally active inhibitor of DGAT-1 activity, inhibiting both human and mouse forms of the enzymes with IC50 values of 7 and 24 nM, respectively. DGAT-1 deficient mice demonstrate a phenotype that is protective against the development of diet-induced obesity (DIO) or insulin resistance, implicating the actions of this enzyme in the development of such metabolic disorders. A-922500 conferred significant weight loss within seven days without affecting food intake and significantly reduced plasma and liver triglycerides with chronic dosing when administered at 3 mg/kg to DIO mice. DGAT-1 inhibitor A-922500 (0.03, 0.3 and 3 mg/kg, p.o.), dose-dependently attenuated the maximal postprandial rise in serum triglyceride concentrations. A-922500 is devoid of activity at DGAT-2, ACAT1 or ACAT2.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO 80 mg/mL|
Diacylglycerol acyltransferase 1 inhibition lowers serum triglycerides in the Zucker fatty rat and the hyperlipidemic hamster.
King AJ, et al. J Pharmacol Exp Ther. 2009 Aug;330(2):526-31. PMID: 19478132.
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