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Wills, P.J. and Asha, V.V. (2009) Chemopreventive action of Lygodium flexuosum extract in human hepatoma PLC/PRF/5 and Hep 3B cells. Journal of ethnopharmacology, 122 (2). pp. 294-303. ISSN 1872-7573

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ETHNOPHARMACOLOGICAL RELEVANCE: Lygodium flexuosum (Lygodiaceae), a medicinal fern used in Indian traditional medicine against liver disorders. AIM OF THE STUDY: The rationale of the study was to examine whether the n-hexane extract from plant Lygodium flexuosum affects apoptosis on human hepatoma PLC/PRF/5 and Hep 3B cells. MATERIALS AND METHODS: Chemopreventive activity of the Lygodium flexuosum extract was determined by MTT assay, annexin-V FITC binding to phosphatidyl serine and cleavage of PARP. Subdiploid condition of cells treated with Lygodium flexuosum was analyzed by flow cytometry. Further, used transiently transfected NF-kappaB reporter in PLC/PRF/5 cells to evaluate the inhibitive effect of Lygodium flexuosum extract. RESULTS: Lygodium flexuosum extract inhibited the cell viability and induced apoptosis in hepatoma cells in a concentration dependent manner as evidenced by apoptotic changes such as flipping of phosphatidyl serine, cleavage of PARP. Cell cycle analysis showed the subG1 apoptotic population in cells treated with higher concentrations of the extract. When activated with exogenous TNF-alpha in transfected hepatoma cells it was observed that NF-kappaB dependent gene expression was inhibited by treatment with Lygodium flexuosum extract in PLC/PRF/5 cells dose-dependently. CONCLUSIONS: This investigation suggests that the Lygodium flexuosum extract has antiproliferative and apoptotic activity in both cancer cells and has inhibitive role in TNF-alpha induced NF-kappaB activation in PLC/PRF/5 cells confirms the potential of the extract as a chemopreventive agent.

Item Type: Article
Uncontrolled Keywords: Lygodium flexuosum MTT Annexin V Cell cycle PARP NF-κB
Subjects: Cancer Research
Depositing User: Rgcb Library
Date Deposited: 11 Oct 2019 07:03
Last Modified: 11 Oct 2019 07:03
URI: http://rgcb.sciencecentral.in/id/eprint/887

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