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24-羟基-人参二醇的抗癌作用及基于分子对接的机制
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  • 英文篇名:Anticancer Effect and Molecular Docking Mechanism of 24-OH-panaxadiol
  • 作者:郑茜 ; 王朝晖 ; 祁增 ; 李平亚
  • 英文作者:ZHENG Qian;WANG Zhao-hui;QI Zeng;LI Ping-ya;Shanxi Medical University;School of Pharmaceutical Sciences,Jilin University;Center for Transplantation Sciences,Massachusetts General Hospital and Harvard Medical School;
  • 关键词:人参皂苷 ; 抗癌 ; 分子对接 ; 24-羟基-人参二醇
  • 英文关键词:ginsenoside;;anticancer;;docking;;24-OH-panaxadiol
  • 中文刊名:ZSFX
  • 英文刊名:Chinese Journal of Experimental Traditional Medical Formulae
  • 机构:山西医科大学;吉林大学药学院;哈佛大学医学院麻省总医院移植研究中心;
  • 出版日期:2018-12-12 10:28
  • 出版单位:中国实验方剂学杂志
  • 年:2019
  • 期:v.25
  • 基金:吉林省科技成果转化计划项目(201603033YY);; 吉林省重大科技项目(吉人才办[2016]3号);; 中国博士后科学基金项目(2018M641678)
  • 语种:中文;
  • 页:ZSFX201906012
  • 页数:8
  • CN:06
  • ISSN:11-3495/R
  • 分类号:89-96
摘要
目的:为研究人参皂苷20(S)-达玛-20,25-环氧-3β,12β,24α-三醇(24-OH-PD)对多种癌细胞的增殖抑制及诱导凋亡作用并探讨其作用机制。方法:采用噻唑蓝(MTT)比色法或Cell Titer Glo发光试验检测24-OH-PD在不同质量浓度(12. 5,25,50,100 mg·L~(-1)),不同作用时间(24,48,72 h)下对CCRF-CEM,Jeko-1,M14,MD-MBA-231癌细胞的增殖抑制作用,并与20(R)-Rg3,20(S)-Rh_2进行比较。采用流式细胞术检测24-OH-PD对以上4种癌细胞的凋亡诱导作用。采用药物设计平台薛定谔Maestro 6. 7软件对癌症相关的40种蛋白与24-OH-PD进行分子对接研究。结果:24-OH-PD对4种癌细胞均具有明显的细胞活性抑制作用,且具有时间、剂量依赖性。24-OH-PD对CCRF-CEM,Jeko-1,M14,MD-MBA-231细胞作用48 h时半抑制浓度(IC50)分别为25. 36,39. 29,21. 74,19. 35 mg·L~(-1),与20(S)-Rh_2作用效果相似(IC50分别为23. 35,65. 79,18. 95,19. 67 mg·L~(-1));远远强于20(R)-Rg3,仅对Jeko-1细胞有抑制作用(IC5049. 5 mg·L~(-1))。磷脂结合蛋白V/碘化吡啶(Annexin V/PI)双染实验结果显示,24-OH-PD对4种细胞均具有不同程度的促凋亡作用(P <0. 05),且具有剂量依赖关系。分子对接实验表明32个癌症相关蛋白中有11个能够与24-OH-PD对接成功,包括嘌呤核苷磷酸化酶(PNP),蛋白络氨酸激酶,蛋白激酶C(PKC),B淋巴细胞瘤基因-2(Bcl-2),B淋巴细胞瘤基因-xl (Bcl-xl),含半胱氨酸的天冬氨酸蛋白水解酶-8等,表明24-OH-PD的抗肿瘤作用可能与直接作用于这些蛋白相关。结论:人参皂苷24-OH-PD对CCRF-CEM,M14,MD-MBA-231,Jeko-1癌细胞具有增殖抑制作用,其机制可能与PNP,PKC等蛋白相关;同时24-OH-PD还具有诱导癌细胞凋亡的作用,机制可能与Bcl-2,Bcl-xl等蛋白相关。
        Objective: To investigate the effect of ginsenoside 20( S),25-epoxydammarane-3β,12β,24α-triol( 24-OH-panaxadiol,24-OH-PD) on inhibiting proliferation and inducing apoptosis of tumor cells,and explore its mechanism of action. Method: The inhibitory effect of 24-OH-PD( 12. 5,25,50,100 mg·L~(-1)) on proliferation of CCRF-CEM,M14,MD-MBA-231 and Jeko-1 cells with different treatment periods( 24,48,72 h)was evaluated by methylthiazolyldiphenyl-tetrazolium bromide( MTT) assay and CellTiter Glo  test,and the results were then compared with 20( R)-Rg3 and 20( S)-Rh_2. Flow cytometry was used to detect cell apoptosis caused by 24-OH-PD. Besides,the potential anticancer mechanism was studied by docking analysis with 40 cancer related proteins and 24-OH-PD by using drug design platform Schrodinger Maestro 6. 7 Software. Result: 24-OHPD inhibited the proliferation of all the 4 cancer cell lines significantly in a time and dosage dependent manner. The IC50 value of 24-OH-PD on CCRF-CEM,Jeko-1,M14,and MD-MBA-231 cell lines was 25. 36,39. 29,21. 74,and 19. 35 mg·L~(-1),respectively,similar to 20( S)-Rh_2( IC5023. 35,65. 79,18. 95,19. 67 mg·L~(-1)) and much better than 20( R)-Rg3( only effective for Jeko-1 cells,IC5049. 5 mg·L~(-1)). Annexin V/PI double staining experiment showed that 24-OH-PD could also induce apoptosis of the 4 kinds of cancer cells( P < 0. 05) in a dose-dependent manner. In the molecular docking test,24-OH-PD was docked successfully with 11 tumor related proteins,including purine nucleoside phosphorylase( PNP),protein tyrosine kinase,protein kinase C( PKC),B-cell lymphoma-2( Bcl-2),B-cell lymphoma-xl( Bcl-xl) and Caspase-8 et al,which demonstrated that the antitumor effect of 24-OH-PD may be related to the direct effects on these proteins. Conclusion: 24-OH-PD could inhibit cell proliferation and induce apoptosis for CCRF-CEM,M14,MD-MBA-231 and Jeko-1 cell lines,which may through directly acting on Bcl-2,Bcl-xl,and other proteins.
引文
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