Abstract
Despite extensive research, the mechanisms underlying rhabdomyolysis‐induced acute kidney injury (AKI) remain largely elusive. In this study, we established both cell and murine models of rhabdomyolysis‐induced AKI by using myoglobin and glycerin, respectively, and provided evidence that protein kinase Cδ (PKC‐δ) was activated in both models and subsequently promoted cell apoptosis. Moreover, we found that this detrimental effect of PKC‐δ activation can be reversed by its pharmaceutical inhibitor rottlerin. Furthermore, we detected and confirmed the existence of PKC‐δ‐mediated myoglobin‐induced cell apoptosis and the expression of TNF‐α and IL1‐β via regulation of the p38MAPK and ERK1/2 signalling pathways. In summary, our research revealed the role of PKC‐δ in renal cell apoptosis and suggests that PKC‐δ is a viable therapeutic target for rhabdomyolysis‐induced AKI.
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