Article
Oncogenic Ki-ras inhibits the expression of interferon-responsive genes through inhibition of STAT1 and STAT2 expression.
The Journal of biological chemistry - 21 Nov 2003
Klampfer Lidija, Huang Jie, Corner Georgia, Mariadason John, Arango Diego, Sasazuki Takehiko, Shirasawa Senji, Augenlicht Leonard
Abstract excerpt
Endogenous interferon gamma (IFNgamma) promotes the host response to primary tumors, and IFNgamma-insensitive tumors display increased tumorigenicity and can evade tumor surveillance mechanisms. Here we demonstrate that activating mutations of Ki-ras are sufficient to inhibit the expression of STAT1 and STAT2, transcription factors required for signaling by IFNs, providing a potential mechanism for the...
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