3 years ago

In vitro studies of the anticancer action of Tectaria cicutaria in human cancer cell lines: G0/G1 p53-associated cell cycle arrest-Part I

In vitro studies of the anticancer action of Tectaria cicutaria in human cancer cell lines: G0/G1 p53-associated cell cycle arrest-Part I
The rhizome of Tectaria cicutaria has been used in Indian traditional medicine for the treatment of various disorders. The objective of present investigation is to screen various extracts of the rhizomes of Tectaria cicutaria for anti-cancer activity and to investigate the mechanism involved. Materials and methods The rhizomes of Tectaria cicutaria were extracted with different solvents. In vitro anti-cancer activity of different rhizome extracts were studied in Human cancer Cell Lines using Sulphorodamine B (SRB) colorimetric cytotoxicity assay. The effect of ethanolic extract (TCe) on cell growth inhibition, modulation in gene expression, and induction of apoptosis using the K562 human leukemia cell line were studied. The extract was analyzed by GC-MS to identify their major chemical compounds. Results TCe shows antioxidant potential in both DPPH scavenging assay and reducing capacity. Flow cytometric analysis showed that 11 μg/ml of TCe arrested cell cycle progression at the G0/G1 phase. In the TCe treated K562 cells, the mRNA and protein expression level of p53 was strongly up-regulated in reverse transcription polymerase chain reaction. Furthermore, its downstream target p21 level was also increased. The GC-MS study has depicted results with the presence of twelve different compounds which will require significant further efforts for structure and putative identification. Conclusion The present work has for the first time, tried to elucidate the anti leukemic potential of Tectaria cicutaria. TCe was more potent in K562 cells, altering the cell cycle progression and inducing apoptosis.

Publisher URL: www.sciencedirect.com/science

DOI: S2225411017300901

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