journal article Oct 21, 2021

Target‐based drug repurposing against Candida albicans—A computational modeling, docking, and molecular dynamic simulations study

Journal of Cellular Biochemistry Vol. 123 No. 2 pp. 289-305 · Wiley
View at Publisher Save 10.1002/jcb.30163
Abstract
AbstractThe emergence of multidrug‐resistant strains of Candida albicans has become a global threat mostly due to co‐infection with immune‐compromised patients leading to invasive candidiasis. The life‐threatening form of the disease can be managed quickly and effectively by drug repurposing. Thus, the study used in silico approaches to evaluate Food and Drug Administration (FDA) approved drugs against three drug targets—TRR1, TOM40, and YHB1. The tertiary structures of three drug targets were modeled, refined, and evaluated for their structural integrity based on PROCHECK, ERRAT, and PROSA. High‐throughput virtual screening of FDA‐approved drugs (8815), interaction analysis, and energy profiles had revealed that DB01102 (Arbutamine), DB01611 (Hydroxychloroquine), and DB09319 (Carindacillin) exhibited better binding affinity with TRR1, TOM40, and YHB1, respectively. Notably, the molecular dynamic simulation explored that Gln45, Thr119, and Asp288 of TRR1; Thr107 and Ser121 of TOM40; Arg193, Glu213, and Ser228 of YHB1 are crucial residues for stable drug‐target interaction. Additionally, it also prioritized Arbutamine‐TRR1 as the best drug‐target complex based on MM‐PBSA (−52.72 kcal/mol), RMSD (2.43 Å), and radius of gyration (−21.49 Å) analysis. In‐depth, PCA results supported the findings of molecular dynamic simulations. Interestingly, the conserved region (>70%) among the TRR1 sequences from pathogenic Candida species indicated the effectiveness of Arbutamine against multiple species of Candida as well. Thus, the study dispenses new insight and enriches the understanding of developing an advanced technique to consider potential antifungals against C. albicans. Nonetheless, a detailed experimental validation is needed to investigate the efficacy of Arbutamin against life‐threatening candidiasis.
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Details
Published
Oct 21, 2021
Vol/Issue
123(2)
Pages
289-305
License
View
Funding
Indian Council of Medical Research Award: ISRM/11(30)/2019
Cite This Article
Rashi Verma, Dibyabhaba Pradhan, Arnab Nayek, et al. (2021). Target‐based drug repurposing against Candida albicans—A computational modeling, docking, and molecular dynamic simulations study. Journal of Cellular Biochemistry, 123(2), 289-305. https://doi.org/10.1002/jcb.30163
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