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High-fat diets: you are what you eat....your extracellular vesicles too!  
  • Sophie Rome,
  • Stefano Tacconi
Sophie Rome
LYON, CarMeN Laboratory, University of Lyon
Stefano Tacconi
LYON, CarMeN Laboratory, University of Lyon

Corresponding Author:[email protected]

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Abstract

Recent works indicate that the lipid composition of extracellular vesicles (EVs) can modify their biological functions and their incorporation into recipient cells. In particular high-fat diets affect EV biogenesis, EV lipid composition, EV targeting and consequently the cross-talk between tissues. This review connects different research topics to show that a vicious circle is established during the development of high-fat diet-induced obesity, connecting the alteration of lipid metabolism, the composition of extracellular vesicles and the spread of deleterious lipids between tissues, which participates in NAFLD/NASH and diabetes development. According to the studies described in this review, it is urgent to take an interest in this question as the modulation of EV lipid composition could be an important factor to take into account during the therapeutic management of patients suffering from metabolic syndrome and related pathologies such as obesity and diabetes. Furthermore, as lipid modification of EVs is a strategy currently being tested to enable better integration into their target tissue or cell, it is important to consider the impact of these lipid modifications on the homeostasis of these targets.
KEY WORDS: extracellular vesicles, lipids, high-fat diets, NAFLD, NASH, diabetes obesity, metabolic syndrome
RUNNING TITLE: Fat diets affect extracellular vesicle fate