Dietary ages as exogenous boosters of inflammation

Ma Eugenia Garay-Sevilla, Armando Rojas, Manuel Portero-Otin, Jaime Uribarri

Research output: Contribution to journalReview articlepeer-review

39 Scopus citations

Abstract

Most chronic modern non-transmissible diseases seem to begin as the result of low-grade inflammation extending over prolonged periods of time. The importance of diet as a source of many pro-inflammatory compounds that could create and sustain such a low-grade inflammatory state cannot be ignored, particularly since we are constantly exposed to them during the day. The focus of this review is on specific components of the diet associated with inflammation, specifically advanced glycation end products (AGEs) that form during thermal processing of food. AGEs are also generated in the body in normal physiology and are widely recognized as increased in diabetes, but many people are unaware of the potential importance of exogenous AGEs ingested in food. We review experimental models, epidemiologic data, and small clinical trials that suggest an important association between dietary intake of these compounds and development of an inflammatory and pro-oxidative state that is conducive to chronic diseases. We compare dietary intake of AGEs with other widely known dietary patterns, such as the Mediterranean and the Dietary Approaches to Stop Hypertension (DASH) diets, as well as the Dietary Inflammation Index (DII). Finally, we delineate in detail the pathophysiological mechanisms induced by dietary AGEs, both direct (i.e., non-receptor-mediated) and indirect (receptor-mediated).

Original languageEnglish
Article number2802
JournalNutrients
Volume13
Issue number8
DOIs
StatePublished - Aug 2021

Keywords

  • DASH diet
  • Dietary inflammatory index (DII)
  • Inflammatory diet
  • Low AGE diet
  • Low-grade inflammation
  • Matrix glycation
  • Mediterranean diet
  • RAGE

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