PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21252292-4 2011 Our teniposide-resistant human lymphoblastic leukemia CEM cells (CEM/VM-1-5) express reduced Top2alpha protein compared with parental CEM cells. Teniposide 4-14 DNA topoisomerase II alpha Homo sapiens 93-102