Linking nutrient sensing, mitochondrial function, and PRR immune cell signaling in liver disease.
Linking nutrient sensing, mitochondrial function, and PRR immune cell signaling in liver disease.
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DOI:
10.1016/j.it.2022.09.002
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发表时间:
2022-11
影响因子:
16.8
通讯作者:
Sack, Michael N.
中科院分区:
文献类型:
--
作者:
Kemper, Claudia;Sack, Michael N.
Caloric overconsumption in vertebrates promotes adipose and liver fat accumulation while perturbing the gut microbiome. This triad triggers pattern recognition receptor (PRR)-mediated immune cell signaling and sterile inflammation. Moreover, immune system activation perpetuates metabolic consequences, including the progression of nonalcoholic fatty liver disease (NAFLD) to nonalcoholic hepatic steatohepatitis (NASH). Recent findings show that nutrient overabundance sensing disrupts the activity and homeostasis of the cell’s central energy-generating organelle, the mitochondrion. In parallel, whether caloric excess-initiated PRR signaling and mitochondrial perturbations are coordinated to amplify this inflammatory process in NASH progression remains in question. Here, we hypothesize that altered mitochondrial function, classic PRR signaling, and complement activation in response to nutrient overload, play an integrated role across the immune cell landscape, leading to liver inflammation and NASH progression.
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