CAS NO: | 405554-55-4 |
生物活性 | SB-590885 is a potent B-Raf inhibitor with Ki of 0.16 nM, and has 11-fold greater selectivity for B-Raf overc-Raf, without inhibition to other human kinases. | ||||||||||||||||
IC50& Target[1] |
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体外研究 (In Vitro) | SB-590885 displays significant selectivity for B-Raf over c-Raf with Ki of 0.16 nM over 1.72 nM. SB-590885 is a more potent inhibitor than the previously described Raf/VEGFR kinase inhibitor BAY 439006 (Ki=38 nM for mutant B-Raf, 6 nM for c-Raf). SB-590885 displays potent selectivity over 46 other kinases. Unlike the multi-kinase inhibitor BAY43-9006, SB-590885 stabilizes the oncogenic B-Raf kinase domain in an active configuration. In Colo205, HT29, A375P, SKMEL28, and MALME-3M cells expressing oncogenic B-RafV600E, SB-590885 treatment potently inhibits ERK phosphorylation with EC50of 28 nM, 58 nM, 290 nM, 58 nM, and 190 nM, respectively, and consistently, inhibits the proliferation with EC50of 0.1 μM, 0.87 μM, 0.37 μM, 0.12 μM, and 0.15 μM, respectively. SB-590885 decreases anchorage-independent growth of melanoma cell lines in a BRAF mutant-selective manner[1]. SB-590885 displays high affinity for B-Raf with Kdof 0.3 nM[2]. Most of the melanoma cell lines that harbor the BRAF V600E mutation and lack CDK4 mutations (451Lu, WM35, and WM983) are highly sensitive to SB-590885 with IC50of<1 μm. increased levels of cyclin d1 resulting from genomic amplification mediate sb-590885 resistance in b-raf v600e-mutated melanomas[3]. | ||||||||||||||||
体内研究 (In Vivo) | Administration of SB-590885 potently decreases tumorigenesis in murine xenografts established from mutant B-Raf-expressing A375P melanoma cells, and modestly inhibits tumor growth[1]. | ||||||||||||||||
分子量 | 453.54 | ||||||||||||||||
性状 | Solid | ||||||||||||||||
Formula | C27H27N5O2 | ||||||||||||||||
CAS 号 | 405554-55-4 | ||||||||||||||||
运输条件 | Room temperature in continental US; may vary elsewhere. | ||||||||||||||||
储存方式 |
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溶解性数据 | In Vitro: DMSO : 33.33 mg/mL(73.49 mM;Need ultrasonic) 配制储备液
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以下溶剂前显示的百
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