Identification of non-lipid LPA3 antagonists by virtual screening |
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Authors: | Fells James I Tsukahara Ryoko Fujiwara Yuko Liu Jianxiong Perygin Donna H Osborne Daniel A Tigyi Gabor Parrill Abby L |
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Institution: | Department of Chemistry and Computational Research on Materials Institute, The University of Memphis, Memphis, TN 38152, USA. |
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Abstract: | In the present study, we utilized virtual screening to identify LPA(3) antagonists. We have developed a three-point structure-based pharmacophore model based on known LPA(3) antagonists. This model was used to mine the NCI database. Docking, pharmacophore development, and database mining produced new, non-lipid leads. Experimental testing of seven computationally selected pharmacophore hits produced one potentiator and three antagonists, one of which displays both LPA(3) selectivity and nanomolar potency. Similarity searching in the ChemBridge database using the most promising lead as the search target produced four additional LPA(3) antagonists and a potent dual LPA(1&2) antagonist. |
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