Fermented papaya preparation halts the progression of non-alcoholic steatohepatitis in rats — Oak Academic Publishing
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Fermented papaya preparation halts the progression of non-alcoholic steatohepatitis in rats
Department of Brain Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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Department of Clinical Pharmaceutical Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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Department of Clinical Pharmaceutical Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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SAIDO Corporation, Fukuoka, Japan
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Department of Brain Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
1 Department of Brain Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
2 Department of Clinical Pharmaceutical Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
3 Department of Clinical Pharmaceutical Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
4 SAIDO Corporation, Fukuoka, Japan
5 Department of Brain Science, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
Non-alcoholic steatohepatitis (NASH) can progress to cirrhosis or hepatocellular carcinoma. Oxidative stress is implicated in NASH progression. Fermented papaya preparation (FPP) has oxygen radical scavenging activity and is effective in oxidative stress-related diseases. We investigated the effects of FPP on NASH progression using a rat NASH model. Plasma biochemical parameters and lipid peroxidation in the liver were elevated in NASH rats. Histologically, the liver of NASH rats showed liver fibrosis, mitochondrial dysfunction and over-expression of microsomal CYP2E1. Myeloperoxidase activity and nuclear factor-kappaB activation were also markedly increased in NASH. Oral administration of FPP ameliorated these changes in NASH rats. These results suggest that FPP halts NASH progression through its anti-oxidative and antiinflammatory properties.
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