4μ8C,14003-96-4

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YZ剂描述：

产品名称：4μ8C

产品别名：7-羟基-4-甲基-2-氧代-2H-色烯-8-甲醛

英文别名：IRE1 Inhibitor III

靶点：IRE1

CAS：14003-96-4

纯度：98%

外观：white to beige Solid

保存方法：store at -20℃ for one year（Powder）； in DMSO or others solvent store at 2-4℃ for two weeks, at -20℃ for six months.

描述：

4μ8C是GX的选择性IRE1 RnaseYZ剂，IC50为76 nM。

溶解性：DMSO : 20.4 mg/mL (100 mM)

体外研究：

When applies to the media of ER stressed cultured cells, 4μ8C inhibits Xbp1 splicing in a concentration-dependent manner. 4μ8C dissociates slowly from IRE1, but ishout of inhibitor leads to rapid recovery of Xbp1 splicing in cells.The IRE1 endoribonuclease inhibitor 4μ8c prevents the splicing of the XBP1 mRNA in response to ER stress caused by mutant proinsulin production. The inositol-requiring enzyme 1α (IRE1α) is a serine-threonine kinase that plays crucial roles in activating the unfolded protein response. 4μ8C treatment dramatically inhibits IL-4 production by CD4+ T cells under Th0 conditions because both the IL-4 levels in the culture supernatant and the percentage of IL-4 positive cells are reduced by 4μ8C treatment. In addition, both IL-5 and IL-13 production are significantly reduced upon treatment with 4μ8C.

体内研究：4μ8C reverses the ER stress-dependent loss of several known RIDD targets, with an EC50 of approximately 4 μM, approximating that of inhibition of XBP1 target gene activation.

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