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Recent Advances in Anti-Infective Drug Discovery

Editor-in-Chief

ISSN (Print): 2772-4344
ISSN (Online): 2772-4352

Perspective

A Perspective into “TEL”-Tenofovir, Emtricitabine and Lamivudine Antileprotic Activities by Drug Repurposing and Exploring the Possibility of Combination Chemotherapy with Drug Rescued Molecules for a Leprosy Free Mankind

Author(s): Pugazhenthan Thangaraju*, Sree Sudha Tanguturi Yella, Vijayakumar Arumugam Ramamurthy, Irfan Navabshan and Thameemul Ansari Lappathai Habeeb Mohamed

Volume 18, Issue 3, 2023

Published on: 15 March, 2023

Page: [170 - 177] Pages: 8

DOI: 10.2174/2772434418666230220123217

Abstract

Background: Since leprosy bacilli cannot grow in vitro, testing for antimicrobial resistance against Mycobacterium leprae or assessing the anti-leprosy activity of new drugs remains hard. Furthermore, developing a new leprosy drug through the traditional drug development process is not economically captivating for pharmaceutical companies. As a result, repurposing existing drugs/approved medications or their derivatives to test their anti-leprotic potency is a promising alternative. It is an accelerated method to uncover different medicinal and therapeutic properties in approved drug molecules.

Aims: The study aims to explore the binding potential of anti-viral drugs such as Tenofovir, Emtricitabine, and Lamivudine (TEL) against Mycobacterium leprae using molecular docking.

Methods: The current study evaluated and confirmed the possibility of repurposing antiviral drugs such as TEL (Tenofovir, Emtricitabine, and Lamivudine) by transferring the graphical window of the BIOVIA DS2017 with the Crystal Structure of a phosphoglycerate mutase gpm1 from Mycobacterium leprae (PDB ID: 4EO9). Utilizing the smart minimizer algorithm, the protein's energy was reduced in order to achieve a stable local minima conformation.

Results: The protein and molecule energy minimization protocol generated stable configuration energy molecules. The protein 4EO9 energy was reduced from 14264.5 kcal/mol to -17588.1 kcal/mol.

Conclusion: The CHARMm algorithm-based CDOCKER run docked all three molecules (TEL) inside the 4EO9 protein binding pocket (Mycobacterium leprae). The interaction analysis revealed that tenofovir had a better binding molecule with a score of - 37.7297 kcal/mol than the other molecules.

Keywords: TEL, tenofovir, emtricitabine, lamivudine, antimicrobial resistance, Mycobacterium leprae, 4eo9 protein, anti-leprosy activity, leprosy, repurposing of drugs, smart minimizer algorithm, CHARMm algorithm-based CDOCKER.

Graphical Abstract
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