ORIGINAL ARTICLES |
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Computational Analysis of Artimisinin Derivatives on the Antitumor Activities |
Hui Liu, Xingyong Liu, Li Zhang |
School of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, China |
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Abstract The study on antitumor activities of artemisinin and its derivatives has been closely focused on in recent years. Herein, 2D and 3D QSAR analysis was performed on the basis of a series of artemisinin derivatives with known bioactivities against the non-small-cell lung adenocarcinoma A549 cells. Four QSAR models were successfully established by CoMSIA, CoMFA, topomer CoMFA and HQSAR approaches with respective characteristic values q2=0.567, R2=0.968, ONC=5; q2=0.547, R2=0.980, ONC=7; q2=0.559, R2=0.921, ONC=7 and q2=0.527, R2=0.921, ONC=6. The predictive ability of CoMSIA with r2=0.991 is the best one compared with the other three approaches, such as CoMFA (r2=0.787), topomer CoMFA (r2=0.819) and HQSAR (r2=0.743). The final QSAR models can provide guidance in structural modification of artemisinin derivatives to improve their anticancer activities.
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Keywords
QSAR
CoMFA
CoMSIA
Topomer CoMFA
HQSAR
Artemisinin
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Fund:We gratefully thank financial assistance from the Science and Technology Innovation Talent Project of Sichuan province (Grant Number 2016073). |
Corresponding Authors:
Hui Liu
E-mail: 18227755087@163.com
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Issue Date: 09 December 2017
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