In Silico Investigation of Potential Pyruvate Kinase M2 Regulators from Traditional Chinese Medicine against Cancers

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题名:	In Silico Investigation of Potential Pyruvate Kinase M2 Regulators from Traditional Chinese Medicine against Cancers
作者:	Kuan-Chung Chen;Kuen-Bao Chen;Hsin-Yi Chen;Calvin Yu-Chian Chen
贡献者:	生物與醫學資訊學系
日期:	2014-06
上传时间:	2014-10-08 05:58:15 (UTC+0)
摘要:	A recent research in cancer research demonstrates that tumor-specific pyruvate kinase M2 (PKM2) plays an important role in chromosome segregation and mitosis progression of tumor cells. To improve the drug development of TCM compounds, we aim to identify potent TCM compounds as lead compounds of PKM2 regulators. PONDR-Fit protocol was utilized to predict the disordered disposition in the binding domain of PKM2 protein before virtual screening as the disordered structure in the protein may cause the side effect and downregulation of the possibility of ligand to bind with target protein. MD simulation was performed to validate the stability of interactions between PKM2 proteins and each ligand after virtual screening. The top TCM compounds, saussureamine C and precatorine, extracted from Lycium chinense Mill. and Abrus precatorius L., respectively, have higher binding affinities with target protein in docking simulation than control. They have stable H-bonds with residues A:Lys311 and some other residues in both chains of PKM2 protein. Hence, we propose the TCM compounds, saussureamine C and precatorine, as potential candidates as lead compounds for further study in drug development process with the PKM2 protein against cancer.
關聯:	JOURNAL OF BIOMEDICINE AND BIOTECHNOLOGY;2014:189495.
显示于类别:	[生物資訊與醫學工程學系 ] 期刊論文

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