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. 1987 Nov 11;15(21):9043–9055. doi: 10.1093/nar/15.21.9043

Inducible gene expression from multiple promoters by the tumor-promoting agent, PMA.

J S Lebkowski 1, M A McNally 1, T B Okarma 1, L B Lerch 1
PMCID: PMC306421  PMID: 3684579

Abstract

Phorbol ester tumor promoters affect a broad scope of changes in mammalian cells. This report describes the activation of expression of an introduced chloramphenicol acetyltransferase (CAT) reporter gene by the phorbol ester, phorbol 12-myristate 13-acetate (PMA), in a variety of fibroblast and hematopoietic cell lines. PMA-mediated activation appears to be promoter region specific, yet widespread. Enhanced gene expression is observed for four out of five promoter systems tested, and, in some cases, is dependent on the cellular environment. Further experiments indicate that PMA mediates elevated gene expression by rapidly increasing steady state levels of CAT mRNA. The broad range of promoters affected by PMA may help explain the high potency of this agent in tumor production.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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