Molecular cloning of porcine alveolar macrophage-derived neutrophil chemotactic factors I and II: identification of porcine IL-8 and another intercrine-.alpha. protein
1992
Alveolar macrophages (AM) mediate lung inflammation by producing lipid and peptide molecules that attract neutrophils (PMN) to the lung. Recently we described two porcine proteins called alveolar macrophage-derived chemotactic factors, AMCF-I and -II, that are potent, efficacious, and specific PMN chemoattractants both in vitro and in vivo. We report here the cloning of the full-length cDNAs which code for each protein. Porcine AM were stimulated for 4 h in vitro with Escherichia coli endotoxin (LPS), and a cDNA library was created from poly(A) + -selected mRNA
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