LY2109761,700874-71-1

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抑制剂描述：

产品名称：LY2109761

产品别名：见爱必信官网

英文别名：LY2109761

靶点：TGF-β

CAS：700874-71-1

纯度：＞98%

外观：见爱必信官网

保存方法：Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

描述：

LY2109761是一种新型的，选择性的TGF-β receptor type I/II (TβRI/II)双重抑制剂，Ki分别为38 nM和300 nM，同时也抑制Smad2的磷酸化。

溶解性：DMSO : 20 mg/mL

体外研究：

LY2109761 significantly inhibits the growth of L3.6pl/GLT soft agar colonies in a dose-dependent manner, and results in appr 33% inhibition at 2 μM and 73% inhibition at 20 μM. Targeting TβRI/II kinase activity with LY2109761 (5 μM) almost completely suppresses both the basal and TGF-β1-stimulated migration of L3.6pl/GLT cells. LY2109761 induces a dose-dependent reduction in phosphorylation of Smad-2. HLE endogenous phosphorylation of Smad-2 is inhibited by LY2109761. LY2109761 blocks migration on different ECM proteins and invasion of both HLE and HLF through a 3-dimensional structure. LY2109761 increases E-cadherin mRNA expression after 24 hours and protein levels after 48 hours. LY2109761 pretreatment reduces clonogenic survival in cell cultures of U87MG and T98 following radiation, resulting in an increase in the radiosensitivity with a DEF0.1 of 1.30 and 1.37, respectively.

体内研究：LY2109761 (50 mg/kg, p.o.) greatly reduces the tumor volume and increases the median survival duration of the mice to 45.0 days. The mice treated with LY2109761 develop significantly fewer metastatic lesions and, in some of them, no metastatic lesion, as indicated by the GFP signal, can be identified in the abdomen. LY2109761 enhances radiation-induced tumor growth delay in a U87MG subcutaneous xenograft tumor model in BALB/c nude mice. LY2109761 increases survival in an orthotopical CSLC glioblastoma model and enhanced antitumor activity of radiation.

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