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Naringenin, systematic review, breast cancer cells
Background: Breast cancer is the most common cancer in women worldwide. Recently, natural remedies such as Naringenin (Nar) - a kind of flavonoids which can be found in grapefruits, oranges, and tomatoes - seem to be interesting. They play a useful role in treatment and chemoprevention because of having pleiotropic molecular mechanisms of action on breast cancer cells.
Methods: We performed a PRISMA-directed systematic review to investigate the effects of Naringenin on some human breast cancer cells (MCF-7, T47D, and MDA-MB-231). Tumor size, apoptosis, estrogenic properties, and cytotoxicity were assessed as primary outcomes. The systematic search without restriction was conducted in electronic databases, including PubMed, Scopus, Google scholar, and Cochrane Library.
Results: Initially, 6445 articles were identified. After screening their titles and abstracts, 32 studies were selected for text appraisal. Finally, 6 articles which met the inclusion criteria were evaluated. Based on the evaluation, Nar could inhibit both cell proliferation and tumor growth at different concentration. Moreover, it could induce apoptosis.
Conclusions: Due to anticancer properties of Nar, some probable mechanisms of these effects are induction of alteration in aromatase and caspase enzymes, and suppression of oestrogen signal transduction pathways. However, more investigations are necessary in the future to decide whether Nar consumption is recommendable as part of breast cancer treatment and control. Also, some clinical trials should be designed to determine the optimal dose for the therapeutic use.
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