In silico Identification of Potent Pancreatic Triacylglycerol Lipase Inhibitors for Weight Loss from Traditional Chinese Medicine

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题名:	In silico Identification of Potent Pancreatic Triacylglycerol Lipase Inhibitors for Weight Loss from Traditional Chinese Medicine
作者:	陳語謙;Chen, Calvin Yu-Chian
贡献者:	生物科技學系
日期:	2012
上传时间:	2012-12-10 03:39:25 (UTC+0)
摘要:	In silico Identification of Potent Pancreatic Triacylglycerol Lipase Inhibitors for Weight Loss from Traditional Chinese Medicine Pancreatic triacylglycerol lipase (PNLIP) are primary lipases that are critical for triacylglyceride digestion in human. Since reduced metabolism of triacylglyceride might be a plausible concept for weight loss, we screened for potential PNLIP inhibitors from traditional Chinese medicine (TCM) with the aim to identify weight loss candidate compounds. TCM candidates Aurantiamide, Cnidiadin, and 2-hexadecenoic acid exhibited higher Dock Scores than the commercial drug Orlistat, and were also predicted to have inhibitory characteristics against PNLIP using constructed MLR (R(2) = 0.8664) and SVM (R(2) = 0.9030) models. Molecular dynamics indicated that the TCM-PNLIP complexes formed were stable. We identified that the PNLIP binding site has several residues that can serve as anchors, and a hydrophobic corridor that provides additional stability to the complex. Aurantiamide, Cnidiadin, and 2-hexadecenoic acid all have features that correspond to these binding site features, indicating their potential as candidates for PNLIP inhibitors. The information presented in this study may provide helpful insights to designing novel weight-control drugs.
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