IRE1α kinase-IN-2 is a potent IRE1α kinase inhibitor, with an EC50 of 0.82 μM. IRE1α kinase-IN-2 inhibits IRE1α kinase autophosphorylation (IC50=3.12 μM). IRE1α kinase-IN-2 inhibits XBP1 mRNA splicing in the WT cell lines.
体内研究:
IRE1α kinase-IN-2 (compound 3) inhibits XBP1 mRNA splicing, even during ER stress.