Crepidiastrum denticulatum Extract Ameliorates Kidney Ischemia-Reperfusion Injury in Mice

Crepidiastrum denticulatum Extract Ameliorates Kidney Ischemia-Reperfusion Injury in Mice
노주원권학철J.S. KimH.J. JangE.K. JeongS.S. KimY.M. KimJ.H. LeeM.Y. OhD.K. LeeK. YelithaoD.W. Eom
Issue Date
Transplantation proceedings
VOL 50, NO 4-1166
Background. Crepidiastrum denticulatum (CD) is a well-known, traditionally consumed vegetable in Korea, which was recently reported to contain bioactive compounds with detoxification and antioxidant properties. Ischemia-reperfusion injury (IRI) is a major problem after renal transplantation. Furthermore, inflammatory responses to IRI exacerbate the resultant renal injury. In the present study, we investigated whether CD extract exhibits renoprotective effects against IR-induced acute kidney injury in mice. Materials and methods. Renal IRI was induced in male C57BL/6 mice by bilateral renal pedicle occlusion for 30 minutes followed by reperfusion for 48 hours. CD extract (75 mg/kg) was administered orally 5 days before IRI. Results. Treatment with CD extract significantly decreased blood urea nitrogen and serum creatinine levels as well as kidney tubular injury. CD also prevented IRI-induced renal glutathione depletion and increased malondialdehyde levels. Western blotting and reverse transcriptase polymerase chain reaction indicated that CD extract significantly attenuates inducible nitric oxide synthase and toll-like receptor 2/4 protein levels 48 h after IRI. The expression of tumor necrosis factor-alpha and interleukin-1 beta was significantly decreased in the CD extract treatment group. Conclusion. CD extract improved acute renal IRI through its antioxidant and anti-inflammatory effects. These findings suggest that CD extract is a potential therapeutic agent for acute ischemia-induced renal damage.
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