Abstract
Renal ischemia reperfusion (I/R) injury is a common reason of acute kidney injury. Apoptosis play an important role in the IRI. Fenofibrate, one of agonist Peroxisome proliferator-activated receptor-alpha (PPARα) has the effect of anti-apoptosis. This study was to explore the effect of Fenofibrate on renal ischemia reperfusion injury and its mechanism. IRI was induced by bilateral renal ischemia for 45 min followed by reperfusion for 24h. Eighteen male C57BL/6 mice were randomly divided into three groups: Sham group (Sham), IRI group (IRI), I/R-Fenofibrate group (FEN). Fenofibrate was injected at 45 min before renal ischemia. Renal histology, function, and the expression of Bax, Bcl-2, Bcl-xl p21, p53, Caspase3, CytC, p-JAK2, p-STAT3 and p-PPAR-α were assessed. Fenofibrate precondition can significantly alleviate the renal dysfunction, the pathological change, up-regulate the expression of p-PPAR-α, Bcl-2, Bcl-xl, Caspase3 and down-regulate the expression of p-JAK2, p-STAT3, p53, p21, CytC and Bax induced by renal IR injury. Fenofibrate precondition can protect mice against IRI by suppressing p53-mediating apoptosis which was associated with inhibiting JAK2/STAT3 signaling activation though further activating PPAR-α. Our findin...Continue Reading
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