Title : Interleukin-3 dependent mitogenesis in murine cells involves a predominant non-protein kinase C (pKC) dependent pathway for c-myc transcription. Role of a myc expression vector in rescuing pKC dependent mitogenesis.

Pub. Date : 1991 Dec

PMID : 1774959






6 Functional Relationships(s)
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1 Augmented TPA dependent vector derived c-myc expression was accompanied by enhanced mitogenesis of the cell line FDMT myc.A1 compared with FDC-P1. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens
2 In addition, TPA mediated expression of the transfected c-myc gene in FDMT myc.A1 was accompanied by augmented transcription of c-jun and c-fos in response to TPA. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens
3 On the other hand, the protein kinase C agonist, TPA, strongly activated c-jun expression but poorly promoted expression (transcription) of c-myc in FDC-P1. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens
4 However, stable transfection of FDC-P1 with a c-myc expression vector driven by a human methallothionein IIA promoter containing the TPA responsive element (TRE), led to a cell clone, FDMT myc.A1, in which TPA mediated selective transcription of the transfected TRE driven c-myc vector and down-regulated expression of the endogenous c-myc gene. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens
5 However, stable transfection of FDC-P1 with a c-myc expression vector driven by a human methallothionein IIA promoter containing the TPA responsive element (TRE), led to a cell clone, FDMT myc.A1, in which TPA mediated selective transcription of the transfected TRE driven c-myc vector and down-regulated expression of the endogenous c-myc gene. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens
6 In addition, TPA mediated expression of the transfected c-myc gene in FDMT myc.A1 was accompanied by augmented transcription of c-jun and c-fos in response to TPA. Tetradecanoylphorbol Acetate MYC proto-oncogene, bHLH transcription factor Homo sapiens