Journal
ACTA PHYSIOLOGICA
Volume 208, Issue 1, Pages 25-40Publisher
WILEY-BLACKWELL
DOI: 10.1111/apha.12089
Keywords
eicosanoids; ischaemia; kidney reperfusion injury; NFB; PKC; signal transduction; sphingosine 1-P
Categories
Funding
- Deutsche Forschungsgemeinschaft [FOR 1368, Dra 489/2-1, Schu 822/7-1]
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Acute kidney injury (AKI) induced by ischaemia and reperfusion (I/R) injury is a common and severe clinical problem. Vascular dysfunction, immune system activation and tubular epithelial cell injury contribute to functional and structural deterioration. The search for novel therapeutic interventions for I/R-induced AKI is a dynamic area of experimental research. Pharmacological targeting of injury mediators and corresponding intracellular signalling in endothelial cells, inflammatory cells and the injured tubular epithelium could provide new opportunities yet may also pose great translational challenge. Here, we focus on signalling mediators, their receptors and intracellular signalling pathways which bear potential to abrogate cellular processes involved in the pathogenesis of I/R-induced AKI. Sphingosine 1 phosphate (S1P) and its respective receptors, cytochrome P450 (CYP450)-dependent vasoactive eicosanoids, NF-B- and protein kinase-C (PKC)-related pathways are representatives of such druggable' pleiotropic targets. For example, pharmacological agents targeting S1P and PKC isoforms are already in clinical use for treatment for autoimmune diseases and were previously subject of clinical trials in kidney transplantation where I/R-induced AKI occurs as a common complication. We summarize recent in vitro and in vivo experimental studies using pharmacological and genomic targeting and highlight some of the challenges to clinical application of these advances.
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