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Cloning, expression, and functional characterization of rat MIP-2: a neutrophil chemoattractant and epithelial cell mitogen

Cloning, expression, and functional characterization of rat MIP-2: a neutrophil chemoattractant... Macrophage inflammatory protein-2 (MIP-2) is a member of a family of cytokines that play roles in inflammatory, immune, and wound healing responses. To clone the cDNA for rat MIP-2, RNA was isolated from the lungs of Fischer 344 rats after instillation of lipopolysaccharide. Reverse transcription-polymerase chain reaction was performed by using synthetic oligonucleotide primers designed from the mouse MIP-2 cDNA sequence. A cDNA containing the coding region of rat MIP-2 was cloned and sequenced. Comparison to the mouse MIP-2 cDNA demonstrated 90.3% homology at the nucleotide level and 86% homology at the amino acid level. The rat MIP-2 cDNA was expressed in Escherichia coli and protein evaluated for bioactivity. The recombinant rat MIP-2 was chemotactic for rat neutrophils but did not stimulate migration of rat alveolar macrophages or human peripheral blood eosinophils or lymphocytes. In addition, the recombinant rat MIP-2 and the related rat chemokine, KC/CINC stimulated proliferation of rat alveolar epithelial cells but not fibroblasts in vitro. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Leukocyte Biology Oxford University Press

Cloning, expression, and functional characterization of rat MIP-2: a neutrophil chemoattractant and epithelial cell mitogen

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References (18)

Copyright
© 1995 Society for Leukocyte Biology
eISSN
1938-3673
DOI
10.1002/jlb.58.3.359
Publisher site
See Article on Publisher Site

Abstract

Macrophage inflammatory protein-2 (MIP-2) is a member of a family of cytokines that play roles in inflammatory, immune, and wound healing responses. To clone the cDNA for rat MIP-2, RNA was isolated from the lungs of Fischer 344 rats after instillation of lipopolysaccharide. Reverse transcription-polymerase chain reaction was performed by using synthetic oligonucleotide primers designed from the mouse MIP-2 cDNA sequence. A cDNA containing the coding region of rat MIP-2 was cloned and sequenced. Comparison to the mouse MIP-2 cDNA demonstrated 90.3% homology at the nucleotide level and 86% homology at the amino acid level. The rat MIP-2 cDNA was expressed in Escherichia coli and protein evaluated for bioactivity. The recombinant rat MIP-2 was chemotactic for rat neutrophils but did not stimulate migration of rat alveolar macrophages or human peripheral blood eosinophils or lymphocytes. In addition, the recombinant rat MIP-2 and the related rat chemokine, KC/CINC stimulated proliferation of rat alveolar epithelial cells but not fibroblasts in vitro.

Journal

Journal of Leukocyte BiologyOxford University Press

Published: Sep 1, 1995

Keywords: MIP-2; chemokine; growth factor; CINC; KC; MIP-1α; MIP-1 β

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