PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18409814-5	2007	Nickel contact at very low concentrations (10(-5), 10(-6) M) induced upregulation of MMP-2 and IL-8 mRNA production; chromium contact at very low concentrations killed all cells.	Nickel	0-6	matrix metallopeptidase 2	Homo sapiens	85-90