A Combination of Kidney Ischemia and Injection of Isolated Mitochondria Leads to Activation of Inflammation and Increase in Mortality Rate in Ratsстатья

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Дата последнего поиска статьи во внешних источниках: 8 сентября 2020 г.

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[1] A combination of kidney ischemia and injection of isolated mitochondria leads to activation of inflammation and increase in mortality rate in rats / E. Y. Plotnikov, S. S. Jankauskas, R. A. Zinovkin et al. // Bulletin of Experimental Biology and Medicine. — 2020. — Vol. 169, no. 2. — P. 213–217. We studied the development of acute kidney injury and animal death in the model of combined injury caused by kidney ischemia/reperfusion with simultaneous systemic administration of mitochondria. It was found that intraperitoneal injection of isolated mitochondria led to the appearance of mitochondrial DNA in the peripheral blood that could activate innate immunity. After administration of mitochondria, as well as after renal ischemia/reperfusion, proinflammatory changes were observed, primarily leukocytosis and granulocytosis. The combination of ischemia/reperfusion with injection of mitochondria caused a sharp increase in animal death, which may indicate a direct link between activation of TLR-signaling and high mortality of patients with combined injuries and multiple-organ failure in intensive care units. Treatment with mitochondria-targeted antioxidant increased animal survival, which indicated the participation of mitochondrial ROS in the development of systemic inflammatory response and death caused by acute renal failure. [ DOI ]

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