Autotaxin-LPA-LPP3 Axis in Energy Metabolism and Metabolic Disease.

Autotaxin-LPA-LPP3 Axis in Energy Metabolism and Metabolic Disease.
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DOI:
10.3390/ijms22179575
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发表时间:
2021-09-03
影响因子:
5.6
通讯作者:
Kienesberger PC
Kienesberger PC
中科院分区:
生物学2区
文献类型:
--
作者:
Jose A;Kienesberger PC

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除了作为结构膜成分和甘油脂代谢的中间体外,溶血磷脂酸 (LPA) 通过与细胞表面的 LPA 受体结合,作为信号分子发挥着重要作用。细胞外 LPA 主要由溶血磷脂酰胆碱 (LPC) 通过分泌型溶血磷脂酶 D、自分泌运动因子 (ATX) 的活性产生。细胞外 LPA 降解为单酰甘油是由细胞膜上的脂质磷酸酶 (LPP) 介导的。本综述总结并解释了有关 ATX-LPA-LPP3 轴在基线和肥胖条件下能量稳态、胰岛素功能和肥胖调节中作用的现有文献。我们还讨论了 ATX-LPA-LPP3 轴如何影响肥胖相关的代谢并发症,包括胰岛素抵抗、脂肪肝疾病和心肌病。
Besides serving as a structural membrane component and intermediate of the glycerolipid metabolism, lysophosphatidic acid (LPA) has a prominent role as a signaling molecule through its binding to LPA receptors at the cell surface. Extracellular LPA is primarily produced from lysophosphatidylcholine (LPC) through the activity of secreted lysophospholipase D, autotaxin (ATX). The degradation of extracellular LPA to monoacylglycerol is mediated by lipid phosphate phosphatases (LPPs) at the cell membrane. This review summarizes and interprets current literature on the role of the ATX-LPA-LPP3 axis in the regulation of energy homeostasis, insulin function, and adiposity at baseline and under conditions of obesity. We also discuss how the ATX-LPA-LPP3 axis influences obesity-related metabolic complications, including insulin resistance, fatty liver disease, and cardiomyopathy.
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