CD38 inhibitor 1 (compound 78c) 是一种有效的 CD38 抑制剂，在人类和小鼠中的 CD38 的IC50 分别为 7.3 nM 和 1.9 nM。 product description： A cell-permeable, orally bioavailable, non-toxic thiazolyl-quinolinone derived compound that acts as a potent, selective and reversible inhibitor of CD38 (IC50 = 7.3 & 1.9 nM for human & mouse CD38, respectively; Ki = 0.3 nM for human wt-CD38). Shown to bind to the catalytic active site. Displays attractive PK properties in mice (p.o. 30 mg/kg: t1/2 = 3.5 h, Cmax = 10.8 µg/ml; i.v. 2 mg/kg: t1/2 = 5.3 h, Cmax = 2.98 µg/ml, Cl = 21 ml/min/kg, Vdss = 1.3 L/kg). Rapidly elevates NAD levels by several folds in both liver and gastrocnemius tissue in a diet induced obese mouse (30 mg/kg, p.o.).