Identification of a Potential Target of Capsaicin by Computational Target Fishing

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Abstract
Capsaicin, the component responsible for the pungency of chili peppers, shows beneficial effects in many diseases, although the underlying mechanisms remain unclear. In the present study, the potential targets of capsaicin were predicted using PharmMapper and confirmed via chemical-protein interactome (CPI) and molecular docking. Carbonic anhydrase 2 was identified as the main disease-related target, with the pharmacophore model matching well with the molecular features of capsaicin. The relation was confirmed by CPI and molecular docking and supported by previous research showing that capsaicin is a potent inhibitor of carbonic anhydrase isoenzymes. The present study provides a basis for understanding the mechanisms of action of capsaicin or those of other natural compounds.
Funding Information
  • Natural Science Foundation of Zhejiang Province (LY15H280009, 2015A610280, 2014ZB110)
  • Natural Science Foundation of Ningbo Municipality (LY15H280009, 2015A610280, 2014ZB110)
  • Traditional Chinese Medicine of Zhejiang Province (LY15H280009, 2015A610280, 2014ZB110)

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