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Abstract Title:

Hepatoprotective Effects of Pycnogenol in a Rat Model of Non-alcoholic Steatohepatitis.

Abstract Source:

Phytother Res. 2012 Oct ;26(10):1572-4. Epub 2012 Feb 1. PMID: 22294490

Abstract Author(s):

Lin Mei, Miyako Mochizuki, Noboru Hasegawa

Article Affiliation:

School of Food and Biological Engineering, Jiangsu University, Zhenjiang, PR China.

Abstract:

Oxidative stress is considered as a mechanism of hepatocellular injury in non-alcoholic steatohepatitis (NASH). Pycnogenol (PYC) is the natural plant extract from the bark of Pinus pinaster Aiton. and has potent antioxidant activities. We studied the protective effect of PYC on excessive fat accumulation in the liver fed a methionine-choline deficient (MCD) high-fat diet for 6 weeks. Pycnogenol (10 mg/kg body weight) was orally administered for 5 weeks. At the end of the experiment, blood and liver samples were collected and assessed for effects of PYC by histopathological and biochemical analyses. Histopathological analyses of liver tissues stained with Azan-Mallory showed hepatic macrovesicular steatosis and fibrosis in MCD-fed rats. Supplementation of PYC prevented this effect. Pycnogenol treatment significantly decreased the liver triglyceride and serum alanine amino transferase levels. Our results indicated that orally administered PYC may serve to prevent NASH-induced liver damage.

Study Type : Animal Study

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Sayer Ji
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