1. What we need to know about lipid-associated injury in case of renal ischemia-reperfusion
- Author
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François Jouret, Jean-Olivier Defraigne, Pascal Rowart, Jean-Marie Krzesinski, and Pauline Erpicum
- Subjects
0301 basic medicine ,medicine.medical_specialty ,Physiology ,Anti-Inflammatory Agents ,Ischemia ,Nephron ,Iron Chelating Agents ,Kidney ,urologic and male genital diseases ,Antioxidants ,Renal Circulation ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,Cortex (anatomy) ,medicine ,Animals ,Humans ,Beta oxidation ,business.industry ,Lipid metabolism ,Metabolism ,Acute Kidney Injury ,Lipid Metabolism ,medicine.disease ,Oxidative Stress ,030104 developmental biology ,medicine.anatomical_structure ,Lipotoxicity ,Associated injury ,Reperfusion Injury ,030220 oncology & carcinogenesis ,Cardiology ,Lipid Peroxidation ,Reactive Oxygen Species ,business ,Signal Transduction - Abstract
Renal segmental metabolism is reflected by the complex distribution of the main energy pathways along the nephron, with fatty acid oxidation preferentially used in the cortex area. Ischemia/reperfusion injury (IRI) is due to the restriction of renal blood flow, rapidly leading to a metabolic switch toward anaerobic conditions. Subsequent unbalance between energy demand and oxygen/nutrient delivery compromises kidney cell functions, resulting in a complex inflammatory cascade including the production of reactive oxygen species (ROS). Renal IRI especially involves lipid accumulation. Lipid peroxidation is one of the major events of ROS-associated tissue injury. Here, we briefly review the current knowledge of renal cell lipid metabolism in normal and ischemic conditions. Next, we focus on renal lipid-associated injury, with emphasis on its mechanisms and consequences during the course of IRI. Finally, we discuss preclinical observations aiming at preventing and/or attenuating lipid-associated IRI.
- Published
- 2018
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