Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha.

Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Research Abstract Details 

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Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Abstract Text:

K Takaishi,T Ohtsuka,S Tsuneyoshi,N Maehara,M Harada,H Yoshida,K Watanabe,S Tsurufuji,

Cytokine-induced neutrophil chemoattractant (CINC)-1, a counterpart of the human growth-regulated gene product (GRO) of the interleukin-8 family, has been suggested to play critical roles as a mediator of inflammatory reactions with neutrophil infiltration in rats. NF-kappaB has been speculated to be involved in the production of CINC-1, since the NF-kappaB-binding domain is important for the CINC-1 promoter activity in several of our reporter assays. In the present study, we examined the effects of an overexpression of IkappaBalpha, a specific natural inhibitor of NF-kappaB, on CINC-1 production. For this purpose, we constructed two recombinant adenoviruses, AxCAIkappaBalpha and AxCAmutantIkappaBalpha, which express respectively wild IkBa and a mutated nondegradable IkappaBalpha in which serine residues 32 and 36 are replaced by alanine residues. Transfecting wild and mutant IkBa by these adenovirus vectors inhibited NF-kappaB activation and CINC-1 production, which were both caused by IL-1beta stimulation in the normal rat kidney epithelial cell line NRK-52E. We also showed that the nondegradable mutant IkappaBalpha was approximately 30 times more potent than the wild type in inhibiting CINC-1 production. These findings demonstrate that CINC-1 production with NF-kappaB activation is primarily regulated by non-phosphorylated IkBa in the cytoplasm.

Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Publishing Authors By Initials

K Takaishi,T Ohtsuka,S Tsuneyoshi,N Maehara,M Harada,H Yoshida,K Watanabe,S Tsurufuji,

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Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of biochemistry

VOLUME: 127

Page Numbers: 511-6

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Mar

YEAR: 2000

Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Keywords Mesh Terms:

KEYWORDS: Time Factors

MESH TERMS: metabolism

Chemical & Substance for Abstract: Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha. Information

Substance Name: NF-kappaB inhibitor alpha

Registry Number: 139874-52-5

Grant and Affiliation Information for Inhibition of the production of rat cytokine-induced neutrophil chemoattractant (CINC)-1, a member of the interleukin-8 family, by adenovirus-mediated overexpression of IkappaBalpha.

AFFILIATION: Institute of Cytosignal Research, Inc., Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan. takais@shina.sankyo.co.jp

Country: JAPAN

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MEDLINETA: J Biochem

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