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Biochem Biophys Res Commun. 1996 Mar 27;220(3):945-8.

Cytokine-induced neutrophil chemoattractant (CINC)-2 alpha, a novel member of rat GRO/CINCs, is a predominant chemokine produced by lipopolysaccharide-stimulated rat macrophages in culture.

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Department of Physiological Chemistry, Faculty of Pharmaceutical Sciences, Toyoma Medical and Pharmaceutical University, Japan.


Neutrophil chemotactic factors (chemokines) have been purified from conditioned medium of lipopolysaccharide (LPS)-stimulated rat macrophages in culture. The LPS-stimulated macrophages produced one acidic chemokine, rat macrophage inflammatory protein (MIP)-1alpha, and four basic chemokines, cytokine-induced neutrophil chemoattractant (CINC)-1. CINC-2alpha, CINC-2beta and CINC-3/rat MIP-2. CINC-2alpha, a novel chemokine recently isolated from conditioned medium of rat granulation-tissue culture, was the major chemoattractant among these four basic chemokines. The results suggest that CINC-2alpha is produced by activated macrophages in vivo and plays an important role in the infiltration of neutrophils into inflammatory sites in rats.

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