Anti-Acanthamoeba activity of a semi-synthetic mangostin derivative and its ability in removal of Acanthamoeba triangularis WU19001 on contact lens

Julalak Chuprom and Suthinee Sangkanu and Watcharapong Mitsuwan and Rachasak Boonhok and Wilawan Mahabusarakam and L. Ravithej Singh and Ekachai Dumkliang and Kritamorn Jitrangsri and Alok K. Paul and Sirirat Surinkaew and Polrat Wilairatana and Maria de Lourdes Pereira and Mohammed Rahmatullah and Christophe Patrice Andie Wiart and Sonia Marlene Rodrigues Oliveira and Veeranoot Nissapatorn (2022) Anti-Acanthamoeba activity of a semi-synthetic mangostin derivative and its ability in removal of Acanthamoeba triangularis WU19001 on contact lens. PeerJ, 10 (14468). pp. 1-27. ISSN 2167-8359

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URL: https://peerj.com/articles/14468/

Abstract

Garcinia mangostana L., also known as the mangosteen tree, is a native medicinal plant in Southeast Asia having a wide variety of pharmacologically active compounds, including xanthonoid mangostin. In this study, we examined the pharmacological activities of the selected semi-synthetic mangostin derivative, namely, amoebicidal activity, encystation inhibition, excystation activity, and removal capacity of adhesive Acanthamoeba from the surface of contact lens (CL). Among the three derivatives, C1 exhibited promising anti-Acanthamoeba activity against Acanthamoeba triangularis WU19001 trophozoites and cysts. SEM images displayed morphological changes in Acanthamoeba trophozoites, including the loss of acanthopodia, pore formation in the cell membrane, and membrane damage. In addition, the treated cyst was shrunken and adopted an irregular flat cyst shape. Under a fluorescence microscope, acridine orange and propidium iodide (AO/PI) staining revealed C1 induced condensation of cytoplasm and chromatin with the loss of cell volume in the treated trophozoites, while calcofluor white staining demonstrated the leakage of cell wall in treated cysts, leading to cell death. Interestingly, at the concentration ranges in which C1 showed the anti-Acanthamoeba effects (IC50 values ranging from 0.035–0.056 mg/mL), they were not toxic to Vero cells. C1 displayed the highest inhibitory effect on A. triangularis encystation at 1/16×MIC value (0.004 mg/mL). While C1 demonstrated the excystation activity at 1/128×MIC value with a high rate of 89.47%. Furthermore, C1 exhibited the removal capacity of adhesive Acanthamoeba from the surface of CL comparable with commercial multipurpose solutions (MPSs). Based on the results obtained, C1 may be a promising lead agent to develop a therapeutic for the treatment of Acanthamoeba infections and disinfectant solutions for CL.

Item Type:	Article
Keyword:	Mangostin, Garcinia mangostana, Acanthamoeba triangularis, Anti-Acanthamoeba activity, Amoebicidal activity, Contact lens, Semi-synthetic derivative
Subjects:	Q Science > QK Botany > QK1-989 Botany > QK710-899 Plant physiology R Medicine > RS Pharmacy and materia medica > RS153-441 Materia medica > RS160-167 Pharmacognosy. Pharmaceutical substances (Plant, animal, and inorganic)
Department:	INSTITUTE > Institute for Tropical Biology and Conservation
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	11 May 2023 15:58
Last Modified:	11 May 2023 15:58
URI:	https://eprints.ums.edu.my/id/eprint/35499

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