PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
10377035-4	1999	We hypothesized that sex steroids may be involved in the regulation of macrophage migration by regulating MCP-1 expression.	Steroids	25-33	C-C motif chemokine ligand 2	Homo sapiens	106-111