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. 2021 Aug;60(5):2683-2693.
doi: 10.1007/s00394-020-02457-0. Epub 2021 Jan 2.

Resveratrol supplementation at old age reverts changes associated with aging in inflammatory, oxidative and apoptotic markers in rat heart

Rubén Torregrosa-Muñumer  1 , Elena Vara  2 , Jesús Ángel Fernández-Tresguerres  3 , Ricardo Gredilla  4
Affiliations

Resveratrol supplementation at old age reverts changes associated with aging in inflammatory, oxidative and apoptotic markers in rat heart

Rubén Torregrosa-Muñumer et al. Eur J Nutr. 2021 Aug.

Abstract

Purpose: Aging is known to play a critical role in the etiopathogenesis of several diseases. Among them, cardiovascular disorders are especially relevant since they are becoming the first cause of death in western countries. Resveratrol is a polyphenolic compound that has been shown to exert beneficial effects at different levels, including neuronal and cardiovascular protection. Those effects of resveratrol are related, at least in part, to its antioxidant and anti-inflammatory properties. In the current investigation we were interested in exploring whether the positive effects of resveratrol at cardiac level were taking place even when the supplementation started in already old animals.

Methods: Old male rats were supplemented with resveratrol during 10 weeks. Using RT-PCR, we analyzed the effects of resveratrol supplementation on the expression of different genes related to inflammation, oxidative stress and apoptosis in rat heart.

Results: Resveratrol reverted age-related changes in inflammatory, oxidative and apoptotic markers in the rat heart. Among others, the expression of two major inflammatory markers, INF-γ and TNF-α and two oxidative markers, heme oxygenase-1 and nitric oxide synthase, were increased with aging, and resveratrol supplementation reduced the level of some of these to those observed in the heart of young animals. Moreover, age-related changes in apoptotic markers in rat heart tend to be also reverted by resveratrol treatment.

Conclusion: Our results suggest that resveratrol might exert beneficial effects as an anti-aging compound to revert age-related changes in cardiac function.

Keywords: Aging; Apoptosis; Heart; Inflammation; Oxidation; Resveratrol.

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