2020
DOI: 10.1111/febs.15648
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Beyond energy storage: roles of glycogen metabolism in health and disease

Abstract: Beyond storing and supplying energy in the liver and muscles, glycogen also plays critical roles in cell differentiation, signaling, redox regulation and stemness under various physiological and pathophysiological conditions. Such versatile functions have been revealed by various forms of glycogen storage diseases. Here, we outline the source of carbon flux in glycogen metabolism and discuss how glycogen metabolism guides CD8 + T cell memory formation and maintenance. Likewise, we review how this affects macro… Show more

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Cited by 38 publications
(41 citation statements)
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“…The liver is the center of human material and energy metabolism and the most important organ for glucose metabolism. For glucose metabolism, the liver is the center of hepatic glycogen synthesis and gluconeogenesis, and glucose uptake mediated by GLUT1 is essential for this process (82)(83)(84)(85)(86)(87)(88)(89). At the same time, HCC is derived from normal liver cells, and HCC not only has more vigorous material and energy metabolism, but also has the characteristics of aerobic glycolysis and Warburg (47).…”
Section: Discussionmentioning
confidence: 99%
“…The liver is the center of human material and energy metabolism and the most important organ for glucose metabolism. For glucose metabolism, the liver is the center of hepatic glycogen synthesis and gluconeogenesis, and glucose uptake mediated by GLUT1 is essential for this process (82)(83)(84)(85)(86)(87)(88)(89). At the same time, HCC is derived from normal liver cells, and HCC not only has more vigorous material and energy metabolism, but also has the characteristics of aerobic glycolysis and Warburg (47).…”
Section: Discussionmentioning
confidence: 99%
“…In general, M1 polarization of murine macrophages is associated with a metabolism dependent on aerobic glycolysis, whereas in M2 macrophages, the glycolytic activity remains unchanged, and metabolism mainly relies on fatty acid oxidation (FAO) [2,54]. Glycogen metabolism is also crucial for several immune cell types, including macrophages [55]. Induction of glycogen synthesis has been reported together with its degradation in inflammatory macrophages [56].…”
Section: Different Metabolic Reprogramming According To Cell Type Spmentioning
confidence: 99%
“…Recent work has shown that it also plays an important role in polarizing M1 macrophages by feeding the pentose phosphate pathway (PPP) [56], increasing the amount of intracellular NADPH supporting inflammatory macrophages survival. The glycogen metabolic intermediate UDP-glucose (UDPG) also promotes STAT1 induction and phosphorylation via the purinergic receptor P2Y14 in macrophages [55].…”
Section: Different Metabolic Reprogramming According To Cell Type Spmentioning
confidence: 99%
“…Glycogen is a highly branched polysaccharide that is widely distributed across species from prokaryotes to eukaryotes ( Wilson et al, 2010 ), which plays pivotal roles in a variety of extremely important functions, such as energy reserve ( Greenberg et al, 2006 ), osmotic pressure maintenance ( Brown, 2004 ), host colonization ( Jones et al, 2008 ), blood glucose homeostasis ( Han et al, 2016 ), pH maintenance ( Fredricks et al, 2014 ) and tumor development ( Zhang et al, 2020 ). Since its first discovery by the French physiologist Claude Bernard in 1857, the structure and function of glycogen have been extensively characterized over the centuries, which leads to the grants of multiple Nobel prizes ( Brewer and Gentry, 2019 ).…”
Section: Introductionmentioning
confidence: 99%