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描述 | Polycomb-repressive complex 1 (PRC1) is a histone H2A/H2AX E3 ubiquitin ligase. PRC1 has a critical role in the regulation of differentiation and the maintenance of stem cell populations[2]. PRT4165 is a potent inhibitor of PRC1-mediated H2A ubiquitylation that inhibits the PRC1 subunits BMI1/RING1 with IC50 value of 3.9μM[3]. In vitro, treatment with 50μM PRT4165 in A375 cells or 100μM in Hela cells for 3h leaded to disappearance of the speckled staining in the nuclei and appearance of Bmi1 also in the cytoplasm[3]. PRT4165 inhibited H2AUB and sphere formation with IC50 values of 3.52mM and 1.05mM in PC3 cells [4]. Treatment PRT4165 at dose of 50μM PRT4165 suppressed growth of leukemia cell lines THP-1, TMD7, OCI/AML772, OCI/AML5, Jurkat and KOPT-K1 by apoptosis. In addition, PRT4165 inhibited the expression of NOTCH1 in KOPT-K1, OCI/ALML2 and OCI/AML5 cells. PRT4165 also inhibited the expression of NOTCH1, MYC, and HES1 in KOPT-K1 cells[5]. In vivo, administration of 8mg/kg PRT4165 caused disruption of decidualization and polyploidy development during early pregnancy by inhibition of PRC1 in mice[6]. |
作用机制 | PRT4165 inhibits PRC1-mediated histone H2A ubiquitylation and the accumulation of ubiquitin at the DNA double-strand break sites [2]. |
计算器 | ||||
存储液制备 | ![]() |
1mg | 5mg | 10mg |
1 mM 5 mM 10 mM |
4.25mL 0.85mL 0.43mL |
21.26mL 4.25mL 2.13mL |
42.51mL 8.50mL 4.25mL |
CAS号 | 31083-55-3 |
分子式 | C15H9NO2 |
分子量 | 235.238 |
别名 | NSC600157 |
运输 | 蓝冰 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Inert atmosphere,Store in freezer, under -20°C |
溶解方案 |
DMSO: 25 mg/mL(106.28 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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动物实验配方 |