PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1605850-3 1992 In this report, we show that the first observable effects of TCDD in cultured murine hepatoma cells are a rapid, transient increase in Ca2+ influx and a minor but significant elevation of activated, membrane-bound protein kinase C. These changes are then followed by induction of the immediate early proto-oncogenes c-fos, jun-B, c-jun, and jun-D, and by large increases in AP-1 transcription factor activity. Polychlorinated Dibenzodioxins 61-65 jun B proto-oncogene Mus musculus 323-328