GSK583

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抑制剂描述：

产品名称：GSK583

产品别名：见爱必信官网

英文别名：GSK583

靶点：RIP Kinase

CAS：1346547-00-9

纯度：98% min

外观：见爱必信官网

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：

GSK583是一个高的强的，有选择性的RIP2激酶的抑制剂。

溶解性：DMSO 79 mg/mL (198.26 mM)
Ethanol 28 mg/mL (70.27 mM)
Water slightly soluble or insoluble

体外研究：

GSK583 possesses comparable binding affinity for RIP3 kinase as demonstrated by an in-house FP binding assay configured similarly to the RIP2 FP assay (RIP2 FP IC50 = 5 nM; RIP3 FP IC50 = 16 nM). Despite this potent biochemical activity against RIP3 kinase, GSK583 shows little or no inhibition of RIP3-dependent necroptotic cell death in a cellular assay up to 10 μM concentration. GSK583 potently and dose dependently inhibits MDP-stimulated tumor necrosis factor-alpha (TNFα) production with an IC50 = 8 nM in primary human monocytes. Following treatment with GSK583 at 1 μM, little inhibition of pro-inflammatory signaling is observed upon activation of Toll-like receptors (TLR2, TLR4, TLR7) or cytokine receptors (IL-1R, TNFR) but complete inhibition is observed upon activation of both NOD1 and NOD2 receptors, which signal in a RIP2-dependent manner. Although GSK583 has excellent kinase selectivity, it does inhibit both the hERG channel and Cyp3A4, which precludes it from further progression as a drug candidate.

体内研究：GSK583 has low clearance, moderate volumes of distribution, and moderate oral bioavailability in both rat and mouse. Eventhough GSK583 would not produce a human phamacodynamic response within an acceptable dose range which precludes this molecule from further development as a drug candidate, the oral PK in rat and mouse provides sufficient systemic exposure for use as a preclinical in vivo tool molecule in an acute inflammation challenge model.

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