Fitoterapia 2012-12-01

Anti-gastric adenocarcinoma activity of 2-Methoxy-1,4-naphthoquinone, an anti-Helicobacter pylori compound from Impatiens balsamina L.

Yuan-Chuen Wang, Yi-Han Lin

Index: Fitoterapia 83(8) , 1336-44, (2012)

Full Text: HTML

Abstract

2-Methoxy-1,4-naphthoquinone (MeONQ) from Impatiens balsamina L. exhibited strong anti-H. pylori activity in our previous study. In this study, we investigated the cytotoxicity of MeONQ against gastric adenocarcinoma (MKN45 cell line) and propose the relevant mechanisms. MeONQ resulted in serious necrosis via superoxide anion catastrophe when the treatment doses were higher than 50μM, whereas apoptosis occurred at low treatment doses (25-50μM) through the caspase-dependent apoptosis pathway. Necrosis is the dominant mode of cell death. MeONQ exhibited high ability to induce gastric adenocarcinoma necrosis, showing good potential as a candidate agent for H. pylori infection related disease therapy.Copyright © 2012 Elsevier B.V. All rights reserved.