| Literature DB >> 2449606 |
E Chen1, R W Karr, G D Ginder.
Abstract
The mechanism of transcriptional activation of human leukocyte antigen class I genes by gamma interferon and 5-azacytidine was studied in K562 human leukemia cells. Nuclear run-on transcription assays with various protein and RNA synthesis inhibitors yield evidence for both stimulation of a positive regulatory factor and inhibition of an mRNA that codes for a labile repressor. A novel mechanism is proposed to explain how 5-azacytidine can activate repressed genes without affecting DNA methylation.Entities:
Mesh:
Substances:
Year: 1987 PMID: 2449606 PMCID: PMC368146 DOI: 10.1128/mcb.7.12.4572-4575.1987
Source DB: PubMed Journal: Mol Cell Biol ISSN: 0270-7306 Impact factor: 4.272