Antioxidant Activity of Curcumin and Neem (Azadirachta indica) Powders: Combination Studies with ALA Using MCF-7 Breast Cancer Cells
Journal Title: Journal of Applied Life Sciences International - Year 2016, Vol 4, Issue 3
Abstract
Introduction: Breast cancer is the most common cancer affecting women globally. The essential fatty acid -Linolenic acid (ALA) and its oxidation products inhibit cancer cell proliferation. The effect of natural antioxidants on ALA anticancer effects has not been well characterized. Aims: To assess the effect of curcumin and neem leaf powder extract, on ALA cytotoxicity activity towards MCF-7 breast cancers. Study Design: In-vitro testing. Methodology: Antioxidant activity of neem extract and curcumin were evaluated using, four assays: Total phenolic content, Ferric reducing antioxidant power (FRAP), 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay or 2, 2′-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS) assay. Cytotoxicity activity was assessed using MCF7 cells grown in DMEM (+10% FBS) and evaluated using Sulforhodamine B colorimetric assay for cell cytotoxicity. Results: Curcumin and neem leaf extract had significant antioxidant power, and values varied between the four assays. Treatments of MCF7 cells with ALA, (0-500 µM) curcumin (0-50 µM), and neem leaf extract (0-88 µM) individually produced a concentration-dependent decrease in MCF-7 cell viability. Combination treatments using ALA with curcumin and ALA with neem were significantly less effective compared to individual treatments. Conclusion: Combinations studies indicate that the natural antioxidants curcumin and neem reduce the inhibitory effect of -Linolenic acid towards MCF-7 breast cancer cells.
Authors and Affiliations
T. K. N. Cheung, P. Singh Nigam, R. Owusu- Apenten
Keywords
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- EP ID EP351876
- DOI 10.9734/JALSI/2016/22273
- Views 106
- Downloads 0
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