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Myricetin Apoptotic Effects on T47d Breast Cancer Cells Is a P53-Independent Approach Publisher Pubmed



Soleimani M1 ; Sajedi N1
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  1. 1. Department of Anatomical Sciences, Isfahan University of Medical Sciences, Iran

Source: Asian Pacific Journal of Cancer Prevention Published:2020


Abstract

Objective: Using nutraceuticals in cancer therapy is a strategy contributing with other approaches to promote apoptosis in cancer cells. Myricetin is a polyphenol favonoid that forms main ingredients of various type of foods and beverages. The inducing properties of myricetin in apoptosis is reported by several investigations. The present study aimed to assess apoptotic effects of myricetin on T47D breast cancer cells and to evaluate part of the mechanisms of action. Materials and Methods: T47D breast cancer cells were assigned into fve groups: control (cells in normal condition), myricetin (cells treated with myricetin IC50 concentration) in two different incubation times (24, 48 and 72 hours). MTT assay, annexin v assay, fow cytometry, caspase-3 assay and Real-time PCR were used to evaluate apoptosis in breast cancer cells. Results: The expression rate of apoptotic genes caspase-3, caspase-8, caspase-9, the ratio of BAX /Bcl-2 as well as the expression of P53, BRCA1, GADD45 genes were increased signifcantly after treatment of T47D breast cancer cells with myricetin. Annexin v assay confrmed signifcant expression of annexin as were displyed by fow cytometry. Conclusion: Myricetin enhances apoptosis in T47D breast cancer cells by evoking both extrinsic and intrinsic apoptotic pathways. myricetin may practices its apoptotic properties on T47D cells through inducing BRCA1- GADD45 pathway. © 2020. All rights reserved.
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