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Research Article Open access CC BY 3.0

Demethylation of RARβ2 Gene Promoter by Withania somnifera in HeLa Cell Line

Abhimanyu Kumar Jha, Mohsen Nikbakht, Neena Capalash, Jagdeep Kaur

European Journal of Medicinal Plants · pp. 503–510 · Published 20 Jan 2014

10.9734/EJMP/2014/5975

Abstract

An important molecular target for cancer therapy is the possible reactivation of tumor suppressor genes that have been silenced by promoter methylation.  It was observed that the treatment of an adenocarcinoma cervical cancer cell line, HeLa with 20 µg/ml of the ethanolic extract of Withania somnifera  for 6 days resulted  in demethylation of promoter of RARβ2 gene.  However, treatment with Ocimum sanctum and Azadirachta indica (20µg/ml) did not cause the reversal of hypermethylation after 6 days of treatment. This is the first report to show the reversal of hypermethylation of RARβ2 gene by Withania somnifera   extract in a cervical cancer cell line.

Methylation adenocarcinoma RARβ2 cervical cancer cell line

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