Abstract
Abstract: Background: The present study aimed to identify the cytotoxicity of Tiliacora acuminata extract/fraction(s) plant via bioactivity guided approach and predict the binding affinity with Topoisomerase II. Materials and Methods: Extract and fractions were screened using brine shrimp lethality bioassay and the potent fraction was further evaluated for its in vitro cytotoxicity using five different cell lines i.e. HT-29, HepG2, MCF-7and A-549. The binding affinity of individual phytoconstituent from the potent fraction with Topoisomerase II was further predicted using autodock4. Results: The fraction containing alkaloids showed the highest cytotoxicity against the HT-29 cell line. Molecular docking study identified coclaurine as a potent alkaloid phytoconstituent to bind with topoisomerase II. Conclusion: The study revealed the potential cytotoxic alkaloids from T. acuminata which may find use in the development of cytotoxic or chemopreventive agents. Key words: Alkaloids, Brine shrimp, Docking, Menispermaceae, MTT, Topoisomerase II.
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