PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25096900-5 2014 Therefore, we have studied in vitro how AChE catalytic activity and ACh levels are affected by the presence of metals (Fe(3+), Cu(2+), Cr(3+), Zn(2+), and Cd(2+)), H2O2 (without Abeta42), and ( ) OH radicals produced from FR and FLR. Chromium 135-137 acetylcholinesterase (Cartwright blood group) Homo sapiens 40-44