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ORIGINAL ARTICLE
Year : 2015  |  Volume : 11  |  Issue : 42  |  Page : 46-52

Antiproliferative efficacy of Tabernaemontana divaricata against HEP2 cell line and Vero cell line


Department of Industrial Biotechnology, Bharath University, Chennai, Tamil Nadu, India

Correspondence Address:
Dr. S Selvakumar
Department of Biotechnology, Bharath University, Chennai - 600 073, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.157682

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Background: Laryngeal cancer may also be called cancer of the larynx or laryngeal carcinoma. Conventional plants are a precious source of novel anticancer agents and are still in performance better role in health concern. The study was intended to estimation of the anticancer activity of the chloroformic extract of Tabernaemontana divaricata on the human epidermoid larynx carcinoma cell line (Hep 2). Materials and Methods: The aerial parts (leaves, stem, and flowers) of T. divaricata were tested for its inhibitory effect in 96 microplate formats against Hep 2 cell line. The anticancer activity of samples on Hep 2 and Vero was determined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay and various enzymatic parameters like catalase, reduced glutathione (GSH), GSH peroxidase, and superoxide anion scavenging activity. Viable cells were determined by the absorbance at 540 nm. Measurements were performed, and the concentration required for a 50% inhibition of viability (IC50) was determined graphically. The effect of the samples on the proliferation of Hep 2 and Vero cells was expressed as the % cell viability. Results: The extract on Hep 2 cell line up to 7.8 μg/ml and that IC50 value on Hep 2 cell line was 112 μg whereas 94 μg for Vero cell line. Hence, T. divaricata has lesser significant action on Vero cell line. Conclusion: Medicinal plant drug discovery continues to provide new and important leads against various pharmacological targets including cancer. Our results clearly indicate the anticancer property of the medicinal plant T. divaricata against the human laryngeal carcinoma cell lines (Hep 2 cell line).


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