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Preventive effect of 20(S)-ginsenoside Rg3 against lipopolysaccharide-induced hepatic and renal injury in rats

  • 2007-01
  • Free Radical Research 41(10)
    • Ki Sung Kang
    • Hyun Young Kim
    • N. Yamabe
    • Jeong Hill Park
    • T. Yokozawa

Abstract

The preventive effect of 20(S)-ginsenoside Rg(3) (20(S)-Rg(3)) on lipopolysaccharide (LPS)-induced oxidative tissue injury in rats was investigated in this study. The elevated serum nitrite/nitrate, glutamic oxaloacetic transaminase, glutamic pyruvic transaminase and creatinine levels in LPS-treated control rats were significantly decreased following 15 consecutive days of 20(S)-Rg(3) administration. In addition, thiobarbituric acid-reactive substance levels in the serum, liver and kidney were dose-dependently lower in 20(S)-Rg(3)-treated groups than in the LPS-treated control group. The nuclear factor-kappaB (NF-kappaB), cyclooxygenase-2 (COX-2), inducible nitric oxide synthase (iNOS) and heme oxygenase-1 (HO-1) protein expressions in the liver and kidney were significantly increased by LPS treatment. However, the 20(S)-Rg(3) administrations significantly decreased these protein expressions except for HO-1 in the liver. On the other hand, in the kidney, oral administration of 20(S)-Rg(3) showed a tendency to reduce NF-kappaB and iNOS protein expressions and also significantly reduced the elevated COX-2 and HO-1 protein expressions at a dose of 10 mg/kg body weight/day. All these results suggest the preventive effect of 20(S)-Rg(3) against LPS-induced acute oxidative damage in the liver and kidney and the preventive effect of 20(S)-Rg(3) administration against LPS toxicity was thought to be more predominant in the liver than kidney.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Immuno LP-20Reduced Oxidative Tissue InjuryBeneficial
Large
Immuno LP-20Reduced Thiobarbituric Acid-Reactive Substance LevelsBeneficial
Moderate
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