Prior studies have shown MCP-1 expression is modulated by a variety of ligands that act through extracellular receptors .
prior studies have shown mcp-1 expression is modulated by a variety of ligands that act through extracellular receptors .
O O O O B-protein_molecule O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O