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保存条件 :Powder: -20°C, 3 years; 4°C, 2 years. In solvent: -80°C, 6 months; -20°C, 1 month.
英文名 :CB7630
库存 :货期:1-2天
供应商 :MedChemExpress LLC
规格 :10 mM * 1 mL/1 mg/5 mg/10 mg/50 mg/100 mg
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Abiraterone acetate
CAS No. : 154229-18-2
MCE 国际站:Abiraterone acetate
产品活性:Abiraterone acetate (CB7630) 是一种口服、有效、选择性和不可逆的 CYP17A1 抑制剂,具有抗雄激素活性。Abiraterone acetate是 Abiraterone (CB7598) 的前体形式。
研究领域:Metabolic Enzyme/Protease
作用靶点:Cytochrome P450
In Vitro: Abiraterone (Abi) acetate is an ester prodrug of the anticancer agent Abiraterone, which shows IC50 values of 15 nM and 2.5 nM for the 17,20-lyase and 17α-hydroxylase (CYP17 is a bifunctional enzyme with both 17α-hydroxylase and 17,20-lyase activity). Abiraterone inhibits human 17,20-lyase and 17α-hydroxylase with IC50 of 27 and 30 nM respectively. Significant inhibition of proliferation of the AR-positive prostate cancer cell lines LNCaP and VCaP with doses of Abiraterone ≥5 μM is confirmed. Abiraterone inhibits recombinant human 3βHSD1 and 3βHSD2 activity with competitive Ki values of 2.1 and 8.8 μM. 10 μM Abiraterone is sufficient to completely block synthesis of 5α-dione and DHT in both cell lines.Treatment with Abiraterone significantly inhibited CRPC progression in the robustly growing subset, effectively putting a ceiling on tumor growth over 4 weeks of treatment (P<0.00001).
In Vivo: Abiraterone (Abi) acetate prolongs survival in castration-resistant prostate cancer (CRPC). [3H]-dehydroepiandrosterone (DHEA) depletion and Δ4-androstenedione (AD) accumulation are inhibited by Abiraterone in LNCaP, with an IC50<1 μM. The 0.5 mmol/kg/d Abiraterone treatment dose is previously shown to yield serum concentrations of about 0.5 to 1 μM. Xenograft tumor growth in the control group is widely variable, with some tumors growing slowly and only a subset of tumors exhibiting robust growth.
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