A dichlorobenzimidazolopyrrolidinamide compound that acts as a highly potent PrCP-selective inhibitor (IC50 in the absence/presence of 1% mouse serum albumin = 1 nM/1 nM and 2 nM/8 nM, respectively, against human and mouse PrCP-catalyzed Mca-APK(Dnp)-OH hydrolysis; Initial [Substrate] = 25 µM), presumably via non-covalent catalytic site interaction, while exhibiting no significant potency toward panels of ion channels, receptors, and enzymes, including homologous serine proteases QPP, FAP, PEP, ACE2, DPP4, DPP8, and DPP9 (IC50 >25 µM). Despite its being a substrate of P-gp efflux transporters and ineffective CNS delivery across blood-brain barrier, peripheral PrCP inhibition via oral administration (100 mg/kg/d for 5 d; [Drug] = 380 nM and 50 nM, respectively, in blood and brain 24 h after last p.o. dosing) is reported to result in significant food intake reduction and body fat loss among high fat diet-induced obese mice (0.73 g fat reduction vs. 0,73 g fat gain in 5 d, respectively, with drug or vehicle treatment) in vivo. Drug treatment among PrCP-/- obsese mice in comparison, results in only 1.1% weight loss primarily due to a decreased gain in muscle mass and little change in body fat.
Biochem/physiol Actions
Cell permeable: yes
Primary Target PrCP
Reversible: yes
Packaging
Packaged under inert gas
Warning
Toxicity: Standard Handling (A)
Reconstitution
Use only fresh DMSO for reconstitution.
Other Notes
Wu, Z., et al. 2012. Bioorg. Med. Chem. Lett.22, 1774. Graham, T.H., et al. 2012. Bioorg. Med. Chem. Lett.22, 658. Zhou, C., et al. 2010. J. Med. Chem.53, 7251.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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