PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8615623-4 1996 In vincristine and adriamycin selected cells, topoisomerase II alpha- and II beta-MRNA levels were reduced, and in vincristine selected cells the MRP-mRNA was elevated compared with the sensitive line. Vincristine 3-14 DNA topoisomerase II beta Homo sapiens 46-81