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1篇 您的检索式：作者名="Paulius Matusevicius"

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		题名	作者	年代	出处	被引量
	1	Protective action of NADPH oxidase inhibitors and role of NADPH oxidase in pathogenesis of colon inflammation in mice显示文摘AIM:To investigate the role of nicotinamide adenine dinucleotide phosphate(NADPH) oxidase in colon epithelial cells in the pathogenesis of acute and chronic colon inflammation in a mouse model of dextran sulphate sodium(DSS)-induced colitis.METHODS:Balb/c mice were divided into three groups:8 mice with acute DSS-induced colitis(3.5% DSS solution;7 d),8 mice with chronic DSS-induced colitis(3.5% DSS solution for 5 d + water for 6 d;4 cycles;total:44 d) and 12 mice without DSS supplementation as a control group.Primary colonic epithelial cells were isolated using chelation method.The cells were cultivated in the presence of mediators(lipopolysaccharide(LPS),apocynin or diphenyleneiodonium).Viability of cells was assessed by fluorescent microscopy.Production of reactive oxygen species(ROS) by the cells was measured fluorometrically using Amplex Red.Production of tumour necrosis factor-alpha(TNF-α) by the colonic epithelial cells was analysed by ELISA.Nox1 gene expression was assessed by real-time PCR.RESULTS:Our study showed that TNF-α level was increased in unstimulated primary colonic cells both in the acute and chronic colitis groups,whereas decreased viability,increased ROS production,and expression of Nox1 was characteristic only for chronic DSS colitis mice when compared to the controls.The stimulation by LPS increased ROS generation via NADPH oxidase and decreased cell viability in mice with acute colitis.Treatment with NADPH oxidase inhibitors increased cell viability and decreased the levels of ROS and TNF-α in the LPS-treated cells isolated from mice of both acute and chronic colitis groups.CONCLUSION:Our study revealed the importance of NADPH oxidase in the pathogenesis of both acute and chronic inflammation of the colon.	Rima Ramonaite Jurgita Skieceviciene Simonas Juzenas Violeta Salteniene Juozas Kupcinskas Paulius Matusevicius Vilmante Borutaite Limas Kupcinskas	2014	World Journal of Gastroenterology2014，20，35：	4

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