Article
STAT-phosphorylation-independent induction of interferon regulatory factor-9 by interferon-beta.
Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research - 1 Mar 2010
Rani M R Sandhya, Croze Ed, Wei Tao, Shrock Jennifer, Josyula Anupama, Kalvakolanu Dhananjaya V, Ransohoff Richard M
Abstract excerpt
Type I interferon (IFN)-dependent STAT1 and STAT2 activation requires specific tyrosine residues (337Y and 512Y) located in the cytoplasmic domain of IFNAR-2c, the beta-subunit of the human type I IFN receptor. To identify STAT activation-independent induction of ISGs, we used a mutant cell line in which both 337Y and 512Y were substituted with phenylalanine (337F512F or FF mutant). In these cells, type I IFN...
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