PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9316423-3 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of polyamine synthesis, for 4 or 6 days not only almost completely depleted total (whole) cellular and nuclear polyamines but also significantly decreased expression of the protooncogenes c-myc and c-jun in IEC-6 cells. Eflornithine 18-47 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 265-270 9316423-3 1997 Administration of alpha-difluoromethylornithine (DFMO), a specific inhibitor of polyamine synthesis, for 4 or 6 days not only almost completely depleted total (whole) cellular and nuclear polyamines but also significantly decreased expression of the protooncogenes c-myc and c-jun in IEC-6 cells. Eflornithine 49-53 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 265-270 9316423-4 1997 Using nuclear run-on transcription assay, we demonstrated that the basal rate of transcription of c-myc was decreased by 55% at 4 days and by 60% at 6 days in the DFMO-treated cells. Eflornithine 163-167 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 98-103 9316423-8 1997 Furthermore, direct administration of spermidine to isolated nuclei from polyamine-deficient (caused by DFMO) cells resulted in a 2- to 2.5-fold increase in c-myc and c-jun transcription. Eflornithine 104-108 MYC proto-oncogene, bHLH transcription factor Rattus norvegicus 157-162