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Article Publish Status: FREE
Abstract Title:

In Vitro Antimalarial and Toxicological Activities of(Olivier) Gall Extracts.

Abstract Source:

Malays J Med Sci. 2020 Jul ;27(4):36-50. Epub 2020 Aug 19. PMID: 32863744

Abstract Author(s):

Nik Nor Imam Nik Mat Zin, Mira Nabila Mohamad, Keusar Roslan, Sazeli Abdul Wafi, Nurul I'zaaz Abdul Moin, Azamuddin Alias, Yusmazura Zakaria, Nurhidanatasha Abu-Bakar

Article Affiliation:

Nik Nor Imam Nik Mat Zin

Abstract:

Background: The spread ofresistance in common antimalarial drugs, including artemisinin-based combination therapies, has necessitated the discovery of new drugs with novel mechanisms of action. In the present study, the in vitro antimalarial and toxicological activities of acetone, methanol, ethanol and aqueous extracts of() galls were investigated.

Methods: The extracts were assessed for the antimalarial potential using a malarial SYBR Green I fluorescence-based (MSF) assay, while the toxicity was screened by using brine shrimp lethality test (BSLT), haemolytic assay, and cytotoxicity assay against normal embryo fibroblast cell line (NIH/3T3) and normal kidney epithelial cell line (Vero).

Results: The acetone extract showed the highest antimalarial activity (50% inhibitory concentration, IC= 5.85± 1.64 μg/mL), followed by the methanol extract (IC= 10.31± 1.90 μg/mL). Meanwhile, the ethanol and aqueous extracts displayed low antimalarial activity with ICvalues of 20.00± 1.57 and 30.95 μg/mL ± 1.27 μg/mL, respectively. The significant antimalarial activity was demonstrated in all extracts and artemisinin (<0.05). All extracts were non-toxic to brine shrimps (50% lethality concentration, LC>1000 ppm). Furthermore, no occurrence of haemolysis (<5%) was observed in normal erythrocytes when treated with all extracts compared to Triton X-100 that caused 100% haemolysis (<0.05). The acetone and methanol extracts were non-toxic to the normal cell lines and statistically significant to artemisinin (<0.05).

Conclusion: Taken together with satisfactory selectivity index (SI) values, the acetone and methanol extracts ofgalls could serve as an alternative, promising and safe antimalarial agents.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Antimalarials : CK(41) : AC(24)

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