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Int. J. Mol. Sci. 2013, 14(5), 9767-9778; doi:10.3390/ijms14059767
Article

Oenothein B Suppresses Lipopolysaccharide (LPS)-Induced Inflammation in the Mouse Brain

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Received: 7 April 2013 / Revised: 28 April 2013 / Accepted: 2 May 2013 / Published: 7 May 2013
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

Oenothein B has been recently evaluated for its ability to affect inflammatory responses in peripheral tissues. In this study, we examined its effect on the damage to the central nervous system due to systemic inflammation. For this purpose, ICR mice were injected with an intraperitoneal (i.p.) dose of lipopolysaccharide (LPS; 1 mg/kg mouse). When oenothein B was administered per os (p.o.), it suppressed (1) LPS-induced abnormal behavior in open field; (2) LPS-induced microglial activation in the hippocampus and striatum; and (3) LPS-induced cyclooxygenase (COX)-2 production in the hippocampus and striatum of these mice. These results suggest that oenothein B had the ability to reduce neuroinflammation in the brain during systemic inflammation.
Keywords: oenothein B; lipopolysaccharide; depression-like behavior; hippocampus; inflammation; microglia; COX-2; astrocyte oenothein B; lipopolysaccharide; depression-like behavior; hippocampus; inflammation; microglia; COX-2; astrocyte
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Okuyama, S.; Makihata, N.; Yoshimura, M.; Amakura, Y.; Yoshida, T.; Nakajima, M.; Furukawa, Y. Oenothein B Suppresses Lipopolysaccharide (LPS)-Induced Inflammation in the Mouse Brain. Int. J. Mol. Sci. 2013, 14, 9767-9778.

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