Author(s): Wu CL, Zhao SP, Yu BL
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Abstract Exchangeable apolipoproteins play an important role in systemic lipid metabolism, especially for lipoproteins with which they are associated. Recently, emerging evidence has suggested that exchangeable apolipoproteins, such as apolipoprotein A4 (apoA4), apolipoprotein A5 (apoA5), apolipoprotein C3 (apoC3) and apolipoprotein E (apoE), also exert important effects on intracellular lipid homeostasis. There is a close link between lipid metabolism in adipose tissue and liver because the latter behaves as the metabolic sensor of dysfunctional adipose tissue and is a main target of lipotoxicity. Given that the energy balance between these two major lipogenic organs is intimately involved in the pathogenesis of obesity and non-alcoholic fatty liver disease (NAFLD), we here review recent findings concerning the intracellular function of exchangeable apolipoproteins in triglyceride metabolism in adipocytes and hepatocytes. These apolipoproteins may act as mediators of crosstalk between adipose tissue and liver, thus influencing development of obesity and hepatosteatosis. This review provides new insights into the physiological role of exchangeable apolipoproteins and identifies latent targets for therapeutic intervention of obesity and its related disorders. © 2014 The Authors. Biological Reviews © 2014 Cambridge Philosophical Society.
This article was published in Biol Rev Camb Philos Soc
and referenced in Journal of Diabetes & Metabolism