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Article Publish Status: FREE
Abstract Title:

The Hepatoprotection by Oleanolic Acid Preconditioning: Focusing on PPARActivation.

Abstract Source:

PPAR Res. 2018 ;2018:3180396. Epub 2018 Apr 2. PMID: 29805439

Abstract Author(s):

Wenwen Wang, Kan Chen, Yujing Xia, Wenhui Mo, Fan Wang, Weiqi Dai, Peiqin Niu

Article Affiliation:

Wenwen Wang

Abstract:

Objective: Previous studies have characterized the hepatoprotective and anti-inflammatory properties of oleanolic acid (OA). This study aimed to investigate the molecular mechanisms of OA hepatoprotection in concanavalin A- (ConA-) induced acute liver injury.

Materials and Methods: ConA (20 mg/kg) was intravenously injected to induce acute liver injury in Balb/C mice. OA pretreatment (20, 40, and 80 mg/kg) was administered subcutaneously once daily for 3 consecutive days prior to treatment with ConA; 2, 8, and 24 h after ConA injection, the levels of serum liver enzymes and thehistopathology of major factors and inflammatory cytokines were determined.

Results: OA reduced the release of serum liver enzymes and inflammatory factors and prevented ConA mediated damage to the liver. OA elevated the expression levels of peroxisome proliferator-activated receptor alpha (PPAR) and decreased the phosphorylation of c-Jun NH2-terminal kinase (JNK).

Conclusion: OA exhibits anti-inflammatory properties during ConA-induced acute liver injury by attenuating apoptosis and autophagy through activation of PPARand downregulation of JNK signaling.

Study Type : Animal Study

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