P276-00,920113-03-7

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抑制剂描述：

产品名称：P276-00

产品别名：见爱必信官网

英文别名：P276-00

靶点：CDK

CAS：920113-03-7

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：

P276-00是一种新型的CDK1，CDK4和CDK9抑制剂，IC50分别为79 nM， 63 nM和20 nM。P276-00作用于Cdk4-D1比作用于Cdk2-E选择性高40倍。P276-00对各种人类癌症细胞系，包括HCT-116, U2OS, H-460, HL-60, HT-29, SiHa, MCF-7, Colo-205, SW-480, PC-3, Caco2, T-24，具有强效的抗增殖效果，IC50为300到800 nmol/L,作用于癌细胞比作用于正常成纤维细胞的选择性 高。P276-00可按ATP竞争性方式下调cyclin D1 和 Cdk4，降低Cdk4特异性的pRb Ser780磷酸化。

溶解性：DMSO ：88 mg/mL (200.77 mM)
Water ：88 mg/mL (200.77 mM)
Ethanol ：7 mg/mL (15.97 mM)

体外研究：

P276-00 shows 40-fold selectivity toward Cdk4-D1, compared with Cdk2-E. It shows potent antiproliferative effects against various human cancer cell lines, including HCT-116, U2OS, H-460, HL-60, HT-29, SiHa, MCF-7, Colo-205, SW-480, PC-3, Caco2, T-24 with an IC50 ranging from 300 to 800 nmol/L, and is found to be highly selective for cancer cells as compared with normal fibroblast cells. P276-00 can down-regulate cyclin D1 and Cdk4 in an ATP- competitive manner and decrease Cdk4-specific pRb Ser780 phosphorylation. P276-00 also induces apoptosis by actving cellular caspase-3 activity and DNA ladder formation.

体内研究：P276-00, administered i.p. at 50 mg/kg daily for 20 treatments can significantly induce growth inhibition of murine colon cancer (CA-51). However, in murine lung carcinoma model (Lewis lung), an increased dose of 60 mg/kg (30 mg/kg twice daily) administered every alternate day i.p. for 7 treatments shows significant inhibition in the growth. And it also inhibit the growth of human colon carcinoma HCT-116 xenograft and human non-small cell lung carcinoma H-460 xenograft. Efficacy Studies show its maximum tolerated dose is 78 mg/kg/d.

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