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Rat MCP-1 (monocyte chemoattracctant protein-1) is a 148-amino acid CC chemokine with a NH2-terminal sequence of 29 residues as a signal sequence. This rat MCP-1/JE is 49-amino acid longer than human MCP-1 at 3-end. This 3-end is a serine and threonine rich zone, which is probably responsible for the extensive O-glycosylation. MCP-1 is produced by a wide range of cell types as a reaction to diverse inflammatory stimuli and is a chemotactic factor that attracts monocytes and basophils but not neutrophils or eosinophils. MCP-1 augments monocyte anti-tumor activity and has been implicated in the pathogenesis of diseases characterized by monocytic infiltrates, like psoriasis, rheumatoid arthritis or atherosclerosis. In atherosclerosis MCP-1 may has been implicated to be involved in the recruitment of monocytes into the arterial wall during the disease process.
Yoshimura,T. et al. (1991) Molecular cloning of rat monocyte chemoattractant protein-1 (MCP-1) its expression in rat spleen cells tumor cell lines. Biochem. Biophys. Res. Commun. 174:504-509