P2X7 receptor as a key player in oxidative stress-driven cell fate in nonalcoholic steatohepatitis.
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| Abstract |
Incidences of nonalcoholic fatty liver disease parallels increase in the global obesity epidemic. NAFLD has been shown to be associated with risks of cardiometabolic disorders and kidney disturbances. It is accompanied by insulin and leptin resistance that complicate the diagnosis and treatment of this public health menace. Though significant research is underway for understanding the molecular mechanisms of NAFLD and its subsequent inflammatory and fibrotic manifestations like nonalcoholic steatohepatitis, the role of purinergic receptors has been unclear. It is increasingly being recognized that damage associated molecular patterns like NAD and ATP that are released from injured cells via hepatocellular injury either by oxidative stress or lipotoxicity from steatosis activate the purinergic receptor. Based on evidence from inflammatory responses in the airways and vasculature and autoimmune complications in humans and rodents, it is beyond doubt that hepatocellular inflammation such as that seen in NASH can result from the activation of purinergic receptors. This event can result in the formation of inflammasomes and can be an important pathway for the progression of NASH. The present review evaluates the current knowledge of the role of oxidative stress and its signaling via P2X7 receptors in hepatocellular injury that might contribute to the NASH pathophysiology.
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| Authors | Saurabh Chatterjee, Suvarthi Das |
| Journal | Oxidative medicine and cellular longevity (Oxid Med Cell Longev) Vol. 2015 Pg. 172493 ( 2015) ISSN: 1942-0994 [Electronic] United States |
| PMID | 25815106 (Publication Type: Journal Article, Research Support, N.I.H., Extramural, Review) |
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