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In vitro efficacy of plumbagin and thymol against Theileria annulata

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Abstract

Phytochemical compounds, plumbagin and thymol were evaluated for their efficacy against Theileria annulata using MTT cell viability assay. Plumbagin and thymol were found to be effective in preventing the proliferation of Theileria annulata infected bovine lymphocytes. The IC50 values of plumbagin and thymol were 0.019 µM and 0.009 µM, respectively. Plumbagin and thymol were found to be non-cytotoxic to the bovine peripheral blood mononuclear cells. However, both the compounds were found to have inhibitory effect on vero cell proliferation. Plumbagin had primarily anti-theilerial activity but thymol had primarily anti-mitotic activity. The in vitro efficacy and cell toxicity studies indicate the potential application of plumbagin, purified from Plumbago indica as a lead therapeutic molecule against T. annulata infection in cattle.

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Funding

This work was supported by Department of Biotechnology (DBT), Ministry of Science and Technology, Govt. of India, for their financial assistance (BT/PR10526/ADV/90/161/2014).

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All authors contributed to the study conception and design. Material preparation, data collection, writing first draft of manuscript were performed by ET and AP. Data analysis, manuscript review and editing were performed by AP, PP, SMR. Material preparation, manuscript review and editing SSD, NKS and GJ: Methodology. Funding acquisition and Supervision were done by AP and RM. All authors read and approved the final manuscript.

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Correspondence to Azhahianambi Palavesam.

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The authors have no relevant financial or non-financial interests to disclose.

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No experimental animals were used in this study and no invasive and painful methods were carried out on animals in this study.

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Titus, E.E., Palavesam, A., Rajaram, S.M. et al. In vitro efficacy of plumbagin and thymol against Theileria annulata. J Parasit Dis 47, 152–160 (2023). https://doi.org/10.1007/s12639-022-01550-x

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  • DOI: https://doi.org/10.1007/s12639-022-01550-x

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