PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9042969-2 1997 Cultured K562 cells, which maintain a stable cytosolic labile iron pool (LIP) of < 0.5 microM, underwent distinct changes after short exposures to transferrin (Tf) followed by t-butyl hydroperoxide (TBHP): (a) rise in LIP, detectable fluorimetrically; (b) increased lipid peroxidation and (c) eventual cell death. tert-Butylhydroperoxide 202-206 transferrin Homo sapiens 150-161