PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3247881-5 1988 In contrast, ovarian carcinoma cells from patients who failed treatment with cisplatin and FUra have been shown to have both enhanced gene expression and increased gene copy number for DHFR and TS. fura 91-95 dihydrofolate reductase Homo sapiens 185-189