PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
22836756-4	2012	We found that miR-21 inhibited the metabolism of superoxide to hydrogen peroxide, produced either by endogenous basal activities or exposure to ionizing radiation (IR), by directing attenuating SOD3 or by an indirect mechanism that limited TNFa production, thereby reducing SOD2 levels.	Superoxides	49-59	tumor necrosis factor	Homo sapiens	240-244