Lan Ping, Huang Zhi-Jian, Sun Jun-Rong, Chen Wei-Min
Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, Guangdong, China; E-Mails:
Int J Mol Sci. 2010 Sep 17;11(9):3357-74. doi: 10.3390/ijms11093357.
The p38α mitogen-activated protein kinase (MAPK) has become an attractive target for the treatment of many diseases such as rheumatoid arthritis, inflammatory bowel disease and Crohn's disease. In this paper, 3D-QSAR and molecular docking studies were performed on 59 p38α MAPK inhibitors. Comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) were applied to determine the structural requirements for potency in inhibiting p38α MAPK. The resulting model of CoMFA and CoMSIA exhibited good r(2) (cv) values of 0.725 and 0.609, and r(2) values of 0.961 and 0.905, respectively. Molecular docking was used to explore the binding mode between the inhibitors and p38α MAPK. We have accordingly designed a series of novel p38α MAPK inhibitors by utilizing the structure-activity relationship (SAR) results revealed in the present study, which were predicted with excellent potencies in the developed models. The results provided a useful guide to design new compounds for p38α MAPK inhibitors.
p38α丝裂原活化蛋白激酶(MAPK)已成为治疗多种疾病(如类风湿性关节炎、炎症性肠病和克罗恩病)的一个有吸引力的靶点。本文对59种p38α MAPK抑制剂进行了三维定量构效关系(3D-QSAR)和分子对接研究。应用比较分子场分析(CoMFA)和比较分子相似性指数分析(CoMSIA)来确定抑制p38α MAPK活性的结构要求。所得的CoMFA和CoMSIA模型分别具有良好的交叉验证相关系数r(2) (cv)值0.725和0.609,以及相关系数r(2)值0.961和0.905。分子对接用于探究抑制剂与p38α MAPK之间的结合模式。我们据此利用本研究揭示的构效关系(SAR)结果设计了一系列新型p38α MAPK抑制剂,这些抑制剂在开发的模型中预测具有优异的活性。研究结果为设计新型p38α MAPK抑制剂提供了有用的指导。