Abstract

Hepatocarcinoma, a malignant cancer, threaten human life badly. It is a current issue to seek the effective natural remedy from plant to treat cancer due to the resistance of the advanced hepatocarcinoma to chemotherapy. Resveratrol (Res), a major symbol ingredient in red grapes and peanuts, has a wide range of pharmacological properties and is considered to have anti-hepatocarcinoma effects. However its low oral bioavailability restricts its wide application. In this report, Res-nanosuspension (Res-NS) composed of Res and poloxamer 188 was prepared by high pressure homogenization technique. The in vitro anti-hepatocarcinoma effects of Res-NS relative to efficacy of bulk Res were evaluated. The particle size and zeta potential of Res-NS were 159.4 nm and -2.1 mV, respectively. MTT assay showed that Res-NS effectively inhibited the proliferation of HepG2 cells and the corresponding IC₅₀ values of Res-NS and bulk Res were 2.91 and 7.13 &mu g/mL. These results suggest that the delivery of Res-NS is a promising approach for treating tumors.

Keywords:

Antitumor activity, cytotoxicity, HepG2 cells, nanosuspension, resveratrol,

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