4.7 Review

Effect of Advanced Glycation End-Products and Excessive Calorie Intake on Diet-Induced Chronic Low-Grade Inflammation Biomarkers in Murine Models

期刊

NUTRIENTS
卷 13, 期 9, 页码 -

出版社

MDPI
DOI: 10.3390/nu13093091

关键词

chronic low-grade inflammation; diet; advanced glycation end-products; metabolic diseases; high-fat diet; carboxymethyllysine

资金

  1. Agence Nationale de la Recherche (ANR) [ANR-19-CE34-0013]

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Chronic Low-Grade Inflammation (CLGI) is characterized by continuous activation of inflammation mediators associated with metabolic diseases, often linked to overconsumption of Advanced Glycation End-Products (AGEs) and high-calorie diets. Murine models have helped elucidate the physiological effects of diet-induced CLGI, particularly in relation to metabolic endotoxemia and gut microbiota remodeling. Further research is needed to identify the best biomarkers for CLGI studies and to determine the translational relevance to humans.
Chronic Low-Grade Inflammation (CLGI) is a non-overt inflammatory state characterized by a continuous activation of inflammation mediators associated with metabolic diseases. It has been linked to the overconsumption of Advanced Glycation End-Products (AGEs), and/or macronutrients which lead to an increase in local and systemic pro-inflammatory biomarkers in humans and animal models. This review provides a summary of research into biomarkers of diet-induced CLGI in murine models, with a focus on AGEs and obesogenic diets, and presents the physiological effects described in the literature. Diet-induced CLGI is associated with metabolic endotoxemia, and/or gut microbiota remodeling in rodents. The mechanisms identified so far are centered on pro-inflammatory axes such as the interaction between AGEs and their main receptor AGEs (RAGE) or increased levels of lipopolysaccharide. The use of murine models has helped to elucidate the local and systemic expression of CLGI mediators. These models have enabled significant advances in identification of diet-induced CLGI biomarkers and resultant physiological effects. Some limitations on the translational (murine -> humans) use of biomarkers may arise, but murine models have greatly facilitated the testing of specific dietary components. However, there remains a lack of information at the whole-organism level of organization, as well as a lack of consensus on the best biomarker for use in CLGI studies and recommendations as to future research conclude this review.

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