Chemotactic factor that attracts monocytes, lymphocytes, basophils and eosinophils, May play a role in neoplasia and inflammatory host responses, This protein can bind heparin, The processed form MCP-2(6-76) does not show monocyte chemotactic activity, but inhibits the chemotactic effect most predominantly of CCL7, and also of CCL2 and CCL5 and CCL8.