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Comparative Study
, 26 (12), 1061-6

Anti-inflammation Activity of Actinidia Polygama

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Comparative Study

Anti-inflammation Activity of Actinidia Polygama

Yoo Kyung Kim et al. Arch Pharm Res.

Abstract

The fruit of Actinidia polygama (AP) has long been used as a folk medicine in Korea for treating pain, rheumatic arthritis and inflammation. The present investigation was carried out to determine the in vivo and in vitro anti-inflammatory activity of AP using several animal models of inflammation. The 70% ethanol extract of the fruit of AP significantly inhibited acetic acid-induced, vascular permeability in a dose dependent manner (23%, 38%, and 41% inhibition at doses of 200 mg/kg, 500 mg/kg and 1000 mg/kg, respectively). This effect was maintained in AP water-soluble fraction (APW). The APW fraction also showed significant inhibitory activity against the rat paw edema induced by a single treatment of carrageenan. In vitro experiments were performed to demonstrate the inhibitory activities of APW (100 microg/ml) on lipopolysaccharide (LPS)-induced nitric oxide (NO) and prostaglandin E2 (PGE2) production. The results showed that APW dose-dependently suppressed LPS-induced NO production in RAW 264.7 macrophages without a notable cytotoxic effect and also decreased inducible NO synthase (iNOS) protein expression. APW also showed a significant inhibitory effect in LPS-induced PGE2 production and cyclooxygenase-2 (COX-2) expression.

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