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Combination of apple peel and blueberry extracts synergistically induced lifespan extension via DAF-16 in Caenorhabditis elegans

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Abstract

Increased consumption of fruit and vegetables is associated with a reduced risk of age-related functional decline and chronic diseases, which is primarily attributed to their phytochemicals. Apples and blueberries are rich in phytochemicals with a wide range of biological activities and health benefits. The objective of this study was to determine whether the combination of apple peel extracts (APE) and blueberry extracts (BE) had synergistic effects in promoting lifespan in Caenorhabditis elegans (C. elegans), and to explore the underlying mechanisms of action. The results showed that the lifespan of C. elegans treated with APE plus BE was increased by 31.4%, which is significantly more than with APE or BE alone, and extended the health span of animals, including improving motility and enhancing resistance to heat stress and UV-B radiation in C. elegans. Meanwhile, treatment with APE plus BE could regulate the expression of anti-aging related genes, and promote the migration of DAF-16 into the nucleus. In addition, administration with APE plus BE eradicated the extension of the lifespan of mutants, and inhibited the expression of the daf-16 downstream gene. In conclusion, the combination of APE and BE could synergistically promote the lifespan via the insulin signaling pathway and DAF-16 in C. elegans.

Graphical abstract: Combination of apple peel and blueberry extracts synergistically induced lifespan extension via DAF-16 in Caenorhabditis elegans

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Article information


Submitted
18 Mar 2020
Accepted
15 Jun 2020
First published
15 Jun 2020

Food Funct., 2020, Advance Article
Article type
Paper

Combination of apple peel and blueberry extracts synergistically induced lifespan extension via DAF-16 in Caenorhabditis elegans

B. Song, H. Wang, W. Xia, B. Zheng, T. Li and R. H. Liu, Food Funct., 2020, Advance Article , DOI: 10.1039/D0FO00718H

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