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Background : Cudrania tricuspidata Bureau belonging to the mulberry family has attracted much attention as a nutrition ingredient many times as many as the mulberry tree. In this study, we examined the inhibitory effect of hot water extract of Cudrania tricuspidata Bureau fruits (CT-F) on inflammation and inflammatory diseases such as diabetes and gastiritis in cell-level experiments and animal models using mice.
Methods and Results : The inhibitory effect of CT-F was investigated in LPS_stimulated RAW264.7 macrophages. Treatment with CT-F significantly inhibited the production of inflammatory mediators such as NO, IL-6 and TNF-a. The inhibitory effect of CT-F was shown to be related to inhibition of NF-kB activation in LPS-stimulated macrophages. In in vivo diabetic models using mice, treatment of CT-F lowered the level of blood glucose in alloxan-induce type-1 diabetic model as well as db/db type-2 mice model. CT-F also dramatically inhibited gastiritis induced by EtOH/HCl in mice.
Conclusion : Hot water extract of Cudrania tricuspidata Bureau fruits was effective for inhibition of inflammation, diabetes and gastirits. Therefore, CT-F is thought to be a beneficial candidate for development of functional foods to prevent inflammation-associated diseases.
