Amebicidal and Antiadhesion Activities of Extract Against T4 Genotype on Contact Lenses and Modeling Simulation of Its Main Compound, E2N, Against Beta-Tubulin

Overview

Journal Scientifica (Cairo)

Publisher Wiley

Specialty Biology

Date 2025 Feb 14

PMID 39950149

Authors

Watcharapong Mitsuwan

Imran Sama-Ae

Suthinee Sangkanu

Dhrubo Ahmed Khan

Partha Biswas

Md Nazmul Hasan

Julalak Chuprom

Tajudeen O Jimoh

Christophe Wiart

Masyitah Binti Zulkipli

Nor Hayati Abdullah

Maria de Lourdes Pereira

Sonia M Rodrigues Oliveira

Shanmuga Sundar Saravanabhavan

Polrat Wilairatana

Tooba Mahboob

Veeranoot Nissapatorn

Affiliations

Soon will be listed here.

Abstract

Medicinal plants have been used as alternative agents for the treatment of infections. This study aimed to investigate bioactivities of medicinal plant extracts including extract (Kre) against T4 and . Anti- activities of 44 extracts from 5 plant species were determined. From 44 tested extracts, a chloroform extract of Kre bark showed the strongest anti- activities against both trophozoites and cysts, with MIC values of 32.25 and 62.50 μg/mL, respectively. Then, amebicidal and antiadhesion activities of Kre against were investigated. Kre reduced the growth by 3 logs within 8 h at 4 × MIC. Disruption of the cells with abnormal shapes was observed when trophozoites were treated with Kre. Trophozoites had lost their robust acanthopodia and began to shrink after treatment with Kre. Treated cysts exhibited wall disruption and dramatically showed forms of marked retraction. Treatment of Kre at 1/2 × MIC showed about 87% reduction in the trophozoite adhesion, while treatment at 2 × MIC exhibited a 59% reduction in the trophozoite adhesion to the plastic surface, compared with the control. Furthermore, 1 log cells/mL (90%) of the contact lens adhesive trophozoites were reduced and removed after treatment with Kre. Molecular docking indicated that E2N, the main compound in Kre, exhibited strong binding to the ligand binding sites at β-tubulin, with a binding energy of -7.01 kcal/mol and an inhibitory constant of 2.43-7.32 μM. E2N generated multiple connections via hydrogen, hydrophobic, ionic, and water bridge bonding and maintained these connections until the simulation finished, facilitating the creation of stable bindings with the β-tubulin protein as measured by molecular dynamics simulation. These findings suggest that Kre exhibits amebicidal and antiadhesion activities which could be used for the prevention of adhesion to contact lenses.

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