Cayman 24 Alphaethyl Cholesterol; Purity- Greater Than Or Equal

GSK3β inhibitor XVIII is an inhibitor of glycogen synthase kinase 3β (GSK3β; IC₅₀ = 64 nM). It induces expression of a luciferase reporter in HEK293 cells expressing wild-type Wnt (EC₅₀ = ~1.25 µM) but not in cells expressing a β-catenin/TCF binding site-mutant Wnt. GSK3β inhibitor XVIII increases β-catenin accumulation in the nucleus of HEK293 cells. It induces proliferation of R7T1 β-cells (EC₅₀ = 1,143 nM), an effect that can be blocked by the COX and Wnt signaling inhibitor sulindac (Item No. ), and rat primary β-cells.

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