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Journal Article
Research Support, Non-U.S. Gov't
Protective effect of Fenofibrate in renal ischemia reperfusion injury: Involved in suppressing kinase 2 (JAK2)/transcription 3 (STAT3)/p53 signaling activation.
Pathologie-biologie 2015 December
OBJECTIVE: 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.
MATERIALS AND METHODS: 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.
RESULTS: 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.
CONCLUSION: 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 findings suggest that Fenofibrate could be useful for preventing IR-induced renal injury.
MATERIALS AND METHODS: 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.
RESULTS: 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.
CONCLUSION: 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 findings suggest that Fenofibrate could be useful for preventing IR-induced renal injury.
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