Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice.

Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice. Research Abstract Details 

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Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice. Abstract Text:

Kumiko Taguchi,Michiko Tamba,Shiro Bannai,Hideyo Sato,

ABSTRACT: BACKGROUND: Cystine/glutamate transporter, system xc-, contributes to the maintenance of intracellular glutathione levels and the redox balance in the extracellular space. The main component of the transporter, xCT, is known to be strongly induced by various stimuli like oxidative stress in mammalian cultured cells. We examined the expression of xCT mRNA in vivo in the experimental endotoxemia. METHODS: Northern blot analysis and in situ hybridization were used to investigate the expression of xCT mRNA in the tissues of the mice exposed to bacterial lipopolysaccharide (LPS). RESULTS: Northern blot analysis revealed that xCT mRNA was constitutively expressed in the brain, thymus, and spleen, and that the expression of xCT mRNA was strongly up-regulated in thymus and spleen by the administration of a sublethal dose of LPS. In addition to brain, thymus, and spleen, xCT mRNA was detected also in the bronchiolar epithelium of the lung by the administration of the lethal dose of LPS. CONCLUSION: xCT is induced in some specific tissues by the administration of LPS. The results suggest that cystine/glutamate transporter plays an important role under the inflammatory conditions.

Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice. Publishing Authors By Initials

K Taguchi,M Tamba,S Bannai,H Sato,

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Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of inflammation (London, England)

VOLUME: 4

Page Numbers: 20

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ISSN: 1476-9255

DAY: 26

MONTH: 09

YEAR: 2007

Induction of cystine/glutamate transporter in bacterial lipopolysaccharide induced endotoxemia in mice. Information

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LANGUAGE: eng

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AFFILIATION: Department of Bioresource Engineering, Faculty of Agriculture, Yamagata University, Tsuruoka, Yamagata 997-8555, Japan. shideyo@tds1.tr.yamagata-u.ac.jp.

Country: England

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MEDLINETA: J Inflamm (Lond)

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