4.7 Article

Computational Drug Repurposing Algorithm Targeting TRPA1 Calcium Channel as a Potential Therapeutic Solution for Multiple Sclerosis

Journal

PHARMACEUTICS
Volume 11, Issue 9, Pages -

Publisher

MDPI
DOI: 10.3390/pharmaceutics11090446

Keywords

transient receptor potential channels; QSAR; molecular docking; data mining; drug-repurposing; neurodegeneration; demyelination; antinociception; desvenlafaxine; paliperidone; febuxostat

Funding

  1. Carol Davila University of Medicine and Pharmacy - Ministry of Research and Innovation within PNCDI III, Program 1-Development of the National RD system, Subprogram 1.2-Institutional Performance-RDI excellence funding projects [23PFE/17.10.2018]
  2. Carol Davila University of Medicine and Pharmacy [23PFE/17.10.2018]

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Multiple sclerosis (MS) is a chronic autoimmune disease affecting the central nervous system (CNS) through neurodegeneration and demyelination, leading to physical/cognitive disability and neurological defects. A viable target for treating MS appears to be the Transient Receptor Potential Ankyrin 1 (TRPA1) calcium channel, whose inhibition has been shown to have beneficial effects on neuroglial cells and protect against demyelination. Using computational drug discovery and data mining methods, we performed an in silico screening study combining chemical graph mining, quantitative structure-activity relationship (QSAR) modeling, and molecular docking techniques in a global prediction model in order to identify repurposable drugs as potent TRPA1 antagonists that may serve as potential treatments for MS patients. After screening the DrugBank database with the combined generated algorithm, 903 repurposable structures were selected, with 97 displaying satisfactory inhibition probabilities and pharmacokinetics. Among the top 10 most probable inhibitors of TRPA1 with good blood brain barrier (BBB) permeability, desvenlafaxine, paliperidone, and febuxostat emerged as the most promising repurposable agents for treating MS. Molecular docking studies indicated that desvenlafaxine, paliperidone, and febuxostat are likely to induce allosteric TRPA1 channel inhibition. Future in vitro and in vivo studies are needed to confirm the biological activity of the selected hit molecules.

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