Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Novel molecular, cytotoxical, and immunological study on promising and selective anticancer activity of Mung bean sprouts

(2012) Novel molecular, cytotoxical, and immunological study on promising and selective anticancer activity of Mung bean sprouts. Bmc Complementary and Alternative Medicine. p. 24. ISSN 1472-6882

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Abstract

Background: The anticancer and immunomodulatory activity of mung bean sprouts (MBS) and the underlying mechanisms against human cervical and hepatocarcinoma cancer cells were explored. Methods: MBS cytotoxicity and MBS-induced anticancer cytokines, TNF-alpha and IFN-beta from cancer cells, and immunological cytokines, IL-4, IFN-gamma, and IL-10 from peripheral mononuclear cells (PMNC) were assessed by MTS and ELISA assays. Apoptotic cells were investigated by flow cytometry. The expression level of apoptotic genes (Bax, BCL-2, Capsases 7-9) and cell cycle regulatory genes (cyclin D, E, and A) and tumor suppressor proteins (p27, p21, and p53) was assessed by real-time qPCR in the cancer cells treated with extract IC50. Results: The cytotoxicity on normal human cells was significantly different from HeLa and HepG2 cells, 163.97 +/- 5.73, 13.3 +/- 0.89, and 14.04 +/- 1.5 mg/ml, respectively. The selectivity index (SI) was 12.44 +/- 0.83 for HeLa and 11.94 +/- 1.2 for HepG2 cells. Increased levels of TNF-alpha and IFN-beta were observed in the treated HeLa and HepG2 culture supernatants when compared with untreated cells. MBS extract was shown to be an immunopolarizing agent by inducing IFN gamma and inhibiting IL-4 production by PBMC; this leads to triggering of CMI and cellular cytotoxicity. The extract induced apoptosis, in a dose and time dependent manner, in treated HeLa and HepG2, but not in untreated, cells (P < 0.05). The treatment significantly induced cell cycle arrest in G0/G1 in HeLa cells. The percentage of cells in G0/G1 phase of the treated HeLa cells increased from 62.87 +/- 2.1, in untreated cells, to 80.48 +/- 2.97. Interestingly, MBS IC50 induced the expression of apoptosis and tumor suppressor related genes in both HeLa and HepG2 cells. MBS extract succeeded in inducing cdk-inhibitors, p21, p53, and p27 in HeLa cells while it induced only p53 in HepG2 cells (P < 0.05). This is a clue for the cell type-specific interaction of the studied extract. These proteins inhibit the cyclin-cdk complexes apart from the presence of some other components that might stimulate some cyclins such as cyclin E, A, and D. Conclusion: MBS extract was shown to be a potent anticancer agent granting new prospects of anticancer therapy using natural products.

Item Type: Article
Keywords: alpha-tocopheryl succinate blood mononuclear-cells epithelial-cells breast-cancer tnf-alpha vitamin-e in-vitro lipid-peroxidation phenolic-compounds interferon-beta Integrative & Complementary Medicine
Page Range: p. 24
Journal or Publication Title: Bmc Complementary and Alternative Medicine
Journal Index: ISI
Volume: 12
Identification Number: https://doi.org/10.1186/1472-6882-12-208
ISSN: 1472-6882
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/766

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