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Rana, Rajiv [VerfasserIn]; Manoharan, Jayakumar [VerfasserIn]; Gupta, Anubhuti [VerfasserIn]; Gupta, Dheerendra [VerfasserIn]; Elwakiel, Ahmed [VerfasserIn]; Khawaja, Hamzah [VerfasserIn]; Fatima, Sameen [VerfasserIn]; Zimmermann, Silke [VerfasserIn]; Singh, Kunal [VerfasserIn]; Ambreen, Saira [VerfasserIn]; Gahdi, Ihsan [VerfasserIn]; Biemann, Ronald [VerfasserIn]; Jiang, Shihai [VerfasserIn]; Shahzad, Khurrum [VerfasserIn]; Kohli, Shrey [VerfasserIn]; Isermann, Berend [VerfasserIn]

Activated Protein C Ameliorates Tubular Mitochondrial Reactive Oxygen Species and Inflammation in Diabetic Kidney Disease

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  • Medientyp: E-Artikel
  • Titel: Activated Protein C Ameliorates Tubular Mitochondrial Reactive Oxygen Species and Inflammation in Diabetic Kidney Disease
  • Beteiligte: Rana, Rajiv [VerfasserIn]; Manoharan, Jayakumar [VerfasserIn]; Gupta, Anubhuti [VerfasserIn]; Gupta, Dheerendra [VerfasserIn]; Elwakiel, Ahmed [VerfasserIn]; Khawaja, Hamzah [VerfasserIn]; Fatima, Sameen [VerfasserIn]; Zimmermann, Silke [VerfasserIn]; Singh, Kunal [VerfasserIn]; Ambreen, Saira [VerfasserIn]; Gahdi, Ihsan [VerfasserIn]; Biemann, Ronald [VerfasserIn]; Jiang, Shihai [VerfasserIn]; Shahzad, Khurrum [VerfasserIn]; Kohli, Shrey [VerfasserIn]; Isermann, Berend [VerfasserIn]
  • Erschienen: Basel : MDPI, [2023]
  • Sprache: Englisch
  • Schlagwörter: diabetic nephropathy; activated protein C; renal inflammation; inflammasome; reactive oxygen species ; Medizin ; medicine
  • Entstehung:
  • Anmerkungen: Hinweis: Link zur Erstveröffentlichung URL: https://doi.org/10.3390/nu14153138
  • Beschreibung: Diabetic kidney disease (DKD) is an emerging pandemic, paralleling the worldwide increase in obesity and diabetes mellitus. DKD is now the most frequent cause of end-stage renal disease and is associated with an excessive risk of cardiovascular morbidity and mortality. DKD is a consequence of systemic endothelial dysfunction. The endothelial-dependent cytoprotective coagulation protease activated protein C (aPC) ameliorates glomerular damage in DKD, in part by reducing mitochondrial ROS generation in glomerular cells. Whether aPC reduces mitochondrial ROS generation in the tubular compartment remains unknown. Here, we conducted expression profiling of kidneys in diabetic mice (wild-type and mice with increased plasma levels of aPC, APChigh mice). The top induced pathways were related to metabolism and in particular to oxidoreductase activity. In tubular cells, aPC maintained the expression of genes related to the electron transport chain, PGC1-α expression, and mitochondrial mass. These effects were associated with reduced mitochondrial ROS generation. Likewise, NLRP3 inflammasome activation and sterile inflammation, which are known to be linked to excess ROS generation in DKD, were reduced in diabetic APChigh mice. Thus, aPC reduces mitochondrial ROS generation in tubular cells and dampens the associated renal sterile inflammation. These studies support approaches harnessing the cytoprotective effects of aPC in DKD.
  • Zugangsstatus: Freier Zugang
  • Rechte-/Nutzungshinweise: Namensnennung (CC BY)