Journal
ANTIOXIDANTS
Volume 10, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/antiox10121914
Keywords
resveratrol; antioxidant effects; nutraceuticals; immunomodulatory; cell-mediated cytotoxicity; noncommunicable diseases; cancer; prevention; immune system; menopause
Funding
- ItalianMinistry of Education, University and Research (Ministero dell'Istruzione, dell'Universita e della Ricerca-MIUR) [PRIN 2017ATZ2YK_003]
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Nutraceuticals and functional foods, such as resveratrol, play a significant role in enhancing immune surveillance in menopausal women through increasing cytotoxic activity of lymphocytes. The study analyzed the effects of resveratrol on lymphocyte cytotoxicity in menopausal women, revealing increased cytokine production, immune synapse formation, and target cell lysis with resveratrol treatment, without affecting total antioxidant capacity of lymphocytes.
Nutraceuticals and functional foods are the main sources of antioxidants and have positive effects on health through regulation of the redox balance. Accordingly, they represent a useful nutritional source for the prevention of noncommunicable diseases (NCDs). Menopausal women have an increased risk of developing NCDs due to hormonal dysregulation and the ongoing aging process. Accordingly, a healthy lifestyle and good nutritional habits are of utmost importance in this population. Resveratrol (RSV) is a natural polyphenol, and it is used as a nutraceutical given its estrogenic, anti-inflammatory, and antioxidant properties. The aim of this study was to analyze the effects of RSV on the lymphocyte cytotoxicity in menopausal women. Lymphocytes from 13 healthy menopausal women (56.18 & PLUSMN; 4.24 years) were isolated, and then cocultured with hTERT-HME1, a breast cell line with a precancerous phenotype. The results showed that, when treated with RSV, lymphocytes significantly increased the TNF-alpha production (p < 0.001), the formation of immune synapses (p = 0.009), and the target cell lysis (p = 0.002). No effects were detected in the lymphocyte total antioxidant capacity. In conclusion, RSV might enhance the immune surveillance in menopausal women by increasing the cytotoxic activity of lymphocytes.
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