Inhibition of advanced glycation endproducts formation by lotus seedpod oligomeric procyanidins through RAGE-MAPK signaling and NF-κB activation in high-AGEs-diet mice.

Food Chem Toxicol

Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Key Laboratoy of Industrial Microbiology, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei Research Center of Food Fermentation Engineering and Technology, Hubei University of Technology, Wuhan, Hubei, 430068, China. Electronic address:

Published: October 2021

This study investigated the modulatory effects of lotus seedpod oligomeric procyanidins (LSOPC) on the advanced glycation endproducts (AGEs)-induced liver injury via advanced glycation end-product receptors (RAGE)-mitogen-activated protein kinases (MAPK)-nuclear factor-kappa B (NF-κB) signaling pathways in a mice model. To examine the antioxidation properties of LSOPC, a model of high-AGEs-diet were established using Sprague Dawley (SD) male mice fed with a normal AIN-93G diet, a high AGEs diet (H), or H plus 0.5 or 0.2% (w/w) LSOPC for 12 weeks. Our results showed that LSOPC inhibited the AGEs formation and alleviated AGEs-induced liver injury by suppressing the nuclear translocation of NF-κB and activation of the MAPK signaling pathway. Additionally, LSOPC inhibited the genes expression of tumor necrosis factor-α (TNF-α) and interleukin 6 (IL-6). Taken together, LSOPC treatment potentially inhibited the AGEs formation and modulated liver injury with long-term dietary AGEs by suppressing RAGE-MAPK-NF-κB pathways.

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Source
http://dx.doi.org/10.1016/j.fct.2021.112481DOI Listing

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