传统中药在我国有着近三千年的悠久历史,许多方剂至今仍被人们广泛用于临床。但由于中药作用机制及其靶点的不明确,阻碍了实现中药现代化的进程。计算机辅助药物设计(computer-aided drug design,CADD)是随着分子生物学、计算机科学等...传统中药在我国有着近三千年的悠久历史,许多方剂至今仍被人们广泛用于临床。但由于中药作用机制及其靶点的不明确,阻碍了实现中药现代化的进程。计算机辅助药物设计(computer-aided drug design,CADD)是随着分子生物学、计算机科学等相应学科发展而研发的一种新的药物研究手段,CADD从理论角度出发,大大减少了药物研发的盲目性。本文就CADD的一些常用技术手段进行了综述,并对各项技术用于中药作用靶点研究的方法、策略以及应用实例进行了介绍。作为一种有效的技术手段,CADD在对中药作用靶点的预测以及推动中药现代化发展方面必将发挥重要作用。展开更多
The replication of HIV-1 requires the integration of its cyclic DNA into host DNA by HIV-1 integrase (IN), which includes two important reactions, 3'-processing and strand transfer, both catalyzed by HIV-1 IN. Disr...The replication of HIV-1 requires the integration of its cyclic DNA into host DNA by HIV-1 integrase (IN), which includes two important reactions, 3'-processing and strand transfer, both catalyzed by HIV-1 IN. Disrupting either of the reactions will fulfill the purpose of inhibiting the replication of HIV-1. In this paper, pharmacophore modeling and molecular docking are employed to investigate the inhibition mechanism of the HIV-1 IN strand transfer inhibitors (INSTIs). Based on the results, we suggest that the inhibition mechanism of INSTIs involves the inhibitor chelating the cofactors Mg2+ and its forming hydrogen bonds with some crucial residues adjacent to the DDE active center.展开更多
文摘传统中药在我国有着近三千年的悠久历史,许多方剂至今仍被人们广泛用于临床。但由于中药作用机制及其靶点的不明确,阻碍了实现中药现代化的进程。计算机辅助药物设计(computer-aided drug design,CADD)是随着分子生物学、计算机科学等相应学科发展而研发的一种新的药物研究手段,CADD从理论角度出发,大大减少了药物研发的盲目性。本文就CADD的一些常用技术手段进行了综述,并对各项技术用于中药作用靶点研究的方法、策略以及应用实例进行了介绍。作为一种有效的技术手段,CADD在对中药作用靶点的预测以及推动中药现代化发展方面必将发挥重要作用。
基金supported by the National Natural Science Foundation of China (No. 30472166)the Tianjin Commission of Science and Technology (06YFGZSH07000)
文摘The replication of HIV-1 requires the integration of its cyclic DNA into host DNA by HIV-1 integrase (IN), which includes two important reactions, 3'-processing and strand transfer, both catalyzed by HIV-1 IN. Disrupting either of the reactions will fulfill the purpose of inhibiting the replication of HIV-1. In this paper, pharmacophore modeling and molecular docking are employed to investigate the inhibition mechanism of the HIV-1 IN strand transfer inhibitors (INSTIs). Based on the results, we suggest that the inhibition mechanism of INSTIs involves the inhibitor chelating the cofactors Mg2+ and its forming hydrogen bonds with some crucial residues adjacent to the DDE active center.