Macrophage heterogeneity and energy metabolism

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Abstract

Macrophages are versatile and multifunctional cell types present in most vertebrate tissues. They are the first line of defense against pathogens through phagocytosis of microbial infections, particles and dead cells. Macrophages harbor additional functions besides immune protection by participating in essential homeostatic and tissue development functions. The immune response requires a concomitant and coordinated regulation of the energetic metabolism. In this review, we will discuss how macrophages influence metabolic tissues and in turn how metabolic pathways, particularly glucose and lipid metabolism, affect macrophage phenotypes.

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