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KMID : 0359920090280030180
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Korean Journal of Nephrology
2009 Volume.28 No. 3 p.180 ~ p.189
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The Effect of Extract of Paeonia lactiflora on the Improvement of Ischemic Acute Renal Failu
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Jung Hyun-Joo
Ahn Ki-Sung
Lee Jong-Won
Lee Hyeong-Kyu
Lim Sun-Ha
Kim Min-Ji
Park Jun-Hong
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Abstract
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Purpose: The present study was undertaken to investigate whether the extract or the ethyl acetate fraction of Paeonia lactiflora, which improves cell survival under ischemic condition by inhibiting apoptosis, can prevent ischemic acute renal failure, using rats as an animal model.
Methods: In the control group, ischemia/reperfusion (I/R) injury was induced in male Sprague-Dawley rats by clamping of left renal pedicle for 45 minutes after removal of the right kidney, and subsequent reperfusion of the pedicle for 24 hours. In the experimental group, the water extract or ethyl acetate fraction of methanol extract Paeonia lactiflora was injected 1 hour prior to ischemia/reperfusion injury. We measured serum concentrations of creatinine at 24 hours after I/R injury. And the kidneys were extracted, fixed in a 10 % neutral-buffered formalin solution, embedded in paraffin and used for histopathological examination.
Results: Rats in the experimental group, treated with water extract or ethyl acetate fraction of methanol extract of Paeonia lactiflora, exhibited significant decrease in the serum concentrations of creatinine (approx. 2.0 mg/dL), compared with those in the control group (approx. 4.0 mg/dL). Finally, the cell morphology of the kidney of rats treated with ethyl acetate fraction of Paeonia lactiflora was well preserved, when judged from histopathological point of view.
Conclusion: Pretreatment of rats with the water extract or ethyl acetate fraction of Paeonia lactiflora might be beneficial for the treatment of acute renal failure in humans.
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KEYWORD
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Renal failure, Peony, Apoptosis
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