产品描述: | ML-180 (SR1848) is a potent orphan nuclear receptor liver receptor homolog 1 (LRH-1; NR5A2) inverse agonist with an IC50 of 3.7 µM. ML-180 is inactive for steroidogenic factor-1 (SF-1; NR5A1; IC50>10 µM). ML-180 has the potential for LRH-1-dependent cancers |
靶点: |
IC50: 3.7 µM (LRH-1) |
体外研究: |
ML-180 (SR1848; 0.01-100 µM; 48 hours) shows diminished capacity to proliferate at concentrations above 1 μM, and the EC50 being roughly 2.8 μM in Huh-7 cells. ML-180 inhibits cell proliferation in an LRH-1-dependent manner. ML-180 (0.5-5 µM; 24 hours) shows a significant inhibition of cyclin-D1 and cyclin-E1 expression in hepatic cells, but has little effect on repression in SK-OV-3 cells. ML-180 (5 µM; 24 hours) leads to a rapid decrease of LRH-1 expression and efficiently represses endogenous LRH-1 signaling. ML-180 (0.5-5 µM; 24 hours) inhibits LRH-1 mRNA expression in a dose-dependent manner. ML-180 (5 μM; 2 hours) rapidly and significantly decreases the mRNA levels of LRH-1 receptor and its downstream targets (CYP19, GATA3, and GATA4) in Huh-7 and HepG2 cells. Cell Proliferation Assay Cell Line: Huh-7 cells Concentration: 0.01, 0.1, 1, 10, 100 µM Incubation Time: 48 hours Result: Showed diminished capacity to proliferate at concentrations above 1 μM. Cell Cycle Analysis Cell Line: Huh-7 cells Concentration: 0.5, 1, 5 µM Incubation Time: 24 hours Result: Showed a significant inhibition of cyclin-D1 and cyclin-E1 expression in hepatic cells. Western Blot Analysis Cell Line: Huh-7 cells Concentration: 5 µM Incubation Time: 24 hours Result: Significantly reduced the LRH-1 protein levels. RT-PCR Cell Line: Huh-7 cells Concentration: 0.5, 1, 5 µM Incubation Time: 24 hours Result: Inhibited LRH-1 mRNA expression in a dose-dependent manner. |
体内研究: |
ML-180 (SR1848; 30 mg/kg; i.p.; daily; for 10 days) has a statistically significant decrease of both LRH-1 and SHP mRNA in adrenal glands and pancreatic tissue. Animal Model: 8-week-old C57Bl/6J mice Dosage: 30 mg/kg Administration: IP; daily; for 10 days Result: Had a statistically significant decrease of both LRH-1 and SHP mRNA in adrenal glands and pancreatic tissue. |
参考文献: |
1. Busby S, et al. Discovery of Inverse Agonists for the Liver Receptor Homologue-1 (LRH1; NR5A2). 2. Corzo CA, et al. Antiproliferation activity of a small molecule repressor of liver receptor homolog 1. Mol Pharmacol. 2015 Feb;87(2):296-304. |
溶解性: |
Soluble in DMSO |
保存条件: |
-20°C |
配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
1 mM |
2.571 ml |
12.857 ml |
25.714 ml |
5 mM |
0.514 ml |
2.571 ml |
5.143 ml |
10 mM |
0.257 ml |
1.286 ml |
2.571 ml |
50 mM |
0.051 ml |
0.257 ml |
0.514 ml |
|
注意: |
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