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基本信息
英文别名6-Chloro-1β,2β-dihydro-17-hydroxy-3′H-cyclopropa(1,2)-pregna-1,4,6-triene-3,20-dione acetate | |
中文别名醋酸环丙孕酮, 醋酸环丙氯地孕酮 | |
[a]20D+148.0° to +156.0° (C=1, CHCl3) | MDL编码MFCD00864671 |
Reaxys-RN (Beilstein)2342172 | Merck Index2774 |
EC No.207-048-3 |
安全信息
存储条件Freezer -20℃ | Symbol |
Signal WordWarning | Hazard StatementsH312 H332 H351 |
Precautionary StatementsP280 P317 P321 P501 P261 P271 P203 P318 P405 P302+P352 P362+P364 P304+P340 | |
WGK Germany3 | RTECSGZ2230000 |
化学和物理性质
MP206.0-211.0 |
产品描述
产品描述
Cyproterone Acetate是雄激素受体拮抗剂,IC50为7.1 nM,也是微弱的孕激素受体激动剂,具有微弱的孕激素和糖皮质激素活性。
靶点(IC50 & Targe)
Androgen Receptor,7.1nM
体外研究
Cyproterone acetate具有显著的拮抗性能,也具有部分激活剂特性,在浓度相对较高时激活AR, EC50为4.0 μM。[1] 在10 nM 睾丸激素存在时,低浓度Cyproterone acetate抑制T-刺激的3XHRE-LUC转录,但是高浓度时刺激转录。[2]
体内研究
Cyproterone acetate作用于生殖器官对重量有直接的负面影响,且显著降低精子数量和 Ca2+含量。 Cyproterone acetate处理的大鼠中,SOD和GST活性显著降低,NO显著提高, MDA含量反应睾丸的氧化状态。[3]Cyproterone acetate处理,再加上在秋季认为延长白天,对精子活力和形态产生负影响。[4] Cyproterone acetate处理的雄激素受体优先降低睾丸中精细胞鱼精蛋白水平,也降低核染色质浓缩中涉及的精子水平。[5]
激酶实验
AR and ERα CALUX bioassays:
U2-OS cells are transfected with 3× HRE-TATA-Luc and pSG5-neo-hAR, using calcium phosphate precipitation to generate AR CALUX cells. AR and ERα CALUX cells are plated in 96-well plates (6000 cells/well) with phenol red-free DF medium supplemented with 5% dextran-coated charcoal-stripped FCS (DCC-FCS) at a volume of 200 μL per well. Two days later, the medium is refreshed, and cells are incubated with human or fetal serum (0–10% v/v) or Cyproterone acetate (dissolved in ethanol or DMSO) in triplicate at a 1:1000 dilution. In case of serum incubation, final serum concentration is 10% (v/v), and lower percentages of the tested sera are supplemented with DCC-FCS. After 24 hours the medium is removed, cells are lysed in 30 μL Triton-lysis buffer and measured for luciferase activity using a luminometer for 0.1 min/well.
细胞实验
Cell lines: T47Dco人类乳腺癌细胞
Concentrations: 0-10 μM
Incubation Time: 20 小时
Method: 使用T47Dco人类乳腺癌细胞(表达约等摩尔浓度组成型产生的hPR-A 和 hPR-B)评估孕激素兴奋剂活性。使用FuGENE 6转染剂使 细胞转染瞬时PRE2-tk-LUC,PRE2-tk-LUC是一种含胸甘激酶(tk)启动子上游黄体酮/糖皮质激素/雄激素应答元件(PRE)和萤火虫LUC基因的两份复制的报告质粒。CV-1细胞共转染3XHRE-LUC,含黄体酮/糖皮质激素/雄激素应答元件, 和人类AR表达载体(pCMV5hAR3.1)的三份复制。6小时后, 移除含FUGENE 6的培养基,使用含多种浓度Cyproterone acetate的培养基取代。20小时后细胞裂解,分析上清液蛋白浓度和 LUC 活性。相对光单位(RLU) 正常化,用来衡量每孔蛋白含量的差别。测定每孔中Cyproterone acetate造成的折叠激活与乙醇处理对照组,比较两者,使用GraphPad PRISM绘制对浓度的log10的曲线图。
(Only for Reference)
动物实验
Animal Models: 阉割的雄性SD大鼠
Formulation: 乙醇
Dosages: 0.2 mg /kg/day
Administration: 皮下注射
(Only for Reference)
参考文献
[1] Sonneveld E, et al. Toxicol Sci. 2005, 83(1), 136-148.
[2] Attardi BJ, et al. Mol Cell Endocrinol. 2010, 328(1-2), 16-21.
[3] Arafa NM. Pak J Biol Sci. 2010, 13(20), 966-976.
[4] Santiago-Moreno J, et al. J Endocrinol. 2012.
[5] Aleem M, et al. Contraception. 2005, 71(5), 379-391.