氨基多碳酸氨基酸修饰的阿比拉特衍生物作为潜在的可注射的抗前列腺癌药物
Na Zhu1, Shuai Meng2, Lina Mao3
1Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, PR China; Center of Drug Safety Evaluation, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China.
与阿比拉相比,一种新的注射性前列腺癌药物,阿比拉二乙二胺酸 (Abi-DTPA),显示出更好的有效性和更低的毒性. 这种衍生物向CYP17,抑制癌细胞生长并促进细胞亡.
科学领域:
- 药理学 药理学是指药理学的学科.
- 在瘤学瘤学.
- 药用化学 医学化学
背景情况:
- 阿比拉 (Abi) 是一种细胞染色体P450 C17 (CYP17) 抑制剂,通过降低雄激素合成,有效对抗前列腺癌.
- 艾比的临床应用受到溶解性差,生物可用性低和有毒副作用的限制.
研究的目的:
- 开发水溶性和注射性阿比拉衍生物.
- 评估这些衍生物的抗增殖作用,作用机制,体内抗瘤活性,药理动力学和毒性.
主要方法:
- 通过引入氨基聚碳酸氨基酸来合成水溶性Abi衍生物.
- 在体外和体内对抗瘤活性,细胞迁移,入侵和线粒体膜潜力的评估.
- 涉及CYP17向和与亡相关的蛋白质表达分析的机制研究.
- 静脉注射后的药理动力学和毒性评估.
主要成果:
- 与Abi相比,衍生品Abi-DTPA在体外和体内表现出更高的抗瘤活性.
- 阿比-DTPA降低了癌细胞的迁移,入侵和线粒体膜潜力.
- 机理学研究证实了CYP17的抑制和亡标志物的增加 (切割的caspase9,PARP,caspase3).
- 在静脉注射后,Abi-DTPA表现出有利的药理动力学和较低的毒性.
结论:
- 阿比-DTPA是前列腺癌治疗的有前途的注射剂.
- 阿比-DTPA的增强溶解度和有针对性的作用提高了治疗潜力.
- 进一步的研究支持Abi-DTPA作为一种新的抗前列腺癌治疗方法.
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