PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17956674-7 2007 After treating U266 cells with 2 micromol/L As2O3 at different time points, a time-dependent reduction of procaspase-3, hTERT mRNA and protein was found without any change of bcl-2 expression. Arsenic Trioxide 44-49 telomerase reverse transcriptase Homo sapiens 120-125 17956674-9 2007 These findings suggest that the reduction of hTERT plays a critical role in the apoptosis of U266 cells induced by As2O3. Arsenic Trioxide 115-120 telomerase reverse transcriptase Homo sapiens 45-50