Article
Transcriptional upregulation of interferon-induced protein kinase, PKR, in breast cancer.
Cancer letters - 10 Jul 2003
Nussbaum Jean M, Major Marian, Gunnery Shobha
Abstract excerpt
PKR (double-stranded RNA activated protein kinase) is overexpressed and overactive in human breast carcinoma (BC) cells. Here, we report that BC cells also have higher PKR mRNA levels and exhibit increased transcription from the PKR promoter. Mutational analysis of the PKR promoter indicated that the interferon stimulation response element (ISRE) is responsible for the increased transcription in BC cells. By gel...
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