TY - JOUR AV - none A1 - Giampieri, Francesca A1 - Alvarez-Suarez, Josč M. A1 - Cordero, Mario D. A1 - Gasparrini, Massimiliano A1 - Forbes-Hernandez, Tamara Y. A1 - Afrin, Sadia A1 - Santos-Buelga, Celestino A1 - González-Paramás, Ana M. A1 - Astolfi, Paola A1 - Rubini, Corrado A1 - Zizzi, Antonio A1 - Tulipani, Sara A1 - Quiles, Josč L. A1 - Mezzetti, Bruno A1 - Battino, Maurizio KW - AMPK activation; Aging; Mitochondrial functionality; Oxidative stress; Strawberry polyphenols. TI - Strawberry consumption improves aging-associated impairments, mitochondrial biogenesis and functionality through the AMP-activated protein kinase signaling cascade EP - 471 ID - uneatlantico563 VL - 234 UR - http://doi.org/10.1016/j.foodchem.2017.05.017 SN - 03088146 Y1 - 2017/// JF - Food Chemistry N2 - Dietary polyphenols have been recently proposed as activators of the AMP-activated protein kinase (AMPK) signaling pathway and this fact might explain the relationship between the consumption of polyphenol-rich foods and the slowdown of the progression of aging. In the present work, the effects of strawberry consumption were evaluated on biomarkers of oxidative damage and on aging-associated reductions in mitochondrial function and biogenesis for 8weeks in old rats. Strawberry supplementation increased antioxidant enzyme activities, mitochondrial biomass and functionality, and decreased intracellular ROS levels and biomarkers of protein, lipid and DNA damage (P<0.05). Furthermore, a significant (P<0.05) increase in the expression of the AMPK cascade genes, involved in mitochondrial biogenesis and antioxidant defences, was also detected after strawberry intake. These in vivo results were then verified in vitro on HepG2 cells, confirming the involvement of AMPK in the beneficial effects exerted by strawberry against aging progression. SP - 464 ER -