PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 35154579-8 2022 ABT199/venetocalx upregulated anti-apoptotic MCL1 as a compensatory mechanism but addition of (Bu+4HC) or (Bu+Flu) negated this effect by CASPASE 3-mediated cleavage of MEK1/2 and its substrate MCL1. Busulfan 107-109 caspase 3 Homo sapiens 138-147 17264767-8 2007 In addition, treatment of cells with busulfan resulted in a further increased apoptotic rate, as determined by fluorescence-activated cell sorter analysis and caspase-3 activation. Busulfan 37-45 caspase 3 Homo sapiens 159-168