Original Article

The in Vitro Antischistosomal Activity and Genotoxicity of the Active Ingredients of Allium sativum (allicin) and Curcuma longa (curcumin)

Abstract

Background: In this study, we assessed the in vitro antischistosomal activity of the active ingredients of Allium sativum (allicin) and Curcuma longa (curcumin) on Schistosoma mansoni.

 Methods: This study was conducted in Faculty of Science, Port said University, Egypt (2018). Adult worms were exposed to a range of concentrations of AL or CU, and worm survival was assessed 24 h post-exposure to calculate the lethal concentration of the compounds. Scanning electron microscopy was used to assess ultrastructural changes in the surface of AL- or CU- treated worms. The genotoxicities of AL and CU on S. mansoni were determined by DNA fragmentation analysis.

Results: We determined the concentrations of AL and CU required to kill 50% of S. mansoni (LC50). The LC50 of AL was 8.66 µL/mL, whereas 100% mortality of S. mansoni was achieved by AL at concentrations of 50 µL/mL. The LC50 of CU was 87.25 µL/mL, with the highest mortality of 91.3% seen after 24 h exposure to 100 µg/mL CU. Ultrastructural studies revealed that exposure to either AL or CU led to mild or severe surface damage to S. mansion, respectively. The degree of damage in the worms was sex-dependent. Interestingly, while CU exposure resulted in DNA fragmentation in S. mansoni worms, we observed no genotoxic effects of AL.

Conclusion: Both AL and CU exhibit antischistosomal activity; the study provided evidence suggesting that these compounds act through distinct mechanisms. These promising results encourage further investigation into these compounds as potential antischistosomal agents, either alone or as complementary treatments to praziquantel.

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IssueVol 16 No 1 (2021) QRcode
SectionOriginal Article(s)
Published2021-02-17
DOI https://doi.org/10.18502/ijpa.v16i1.5540
Keywords
Schistosoma mansoni Allicin Curcumin Ultrastructural DNA

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How to Cite
1.
El-Hak RASHED H, ABU ALMAATY A, SOLIMAN M, EL-SHENAWY N. The in Vitro Antischistosomal Activity and Genotoxicity of the Active Ingredients of Allium sativum (allicin) and Curcuma longa (curcumin). Iran J Parasitol. 16(1):101-110.