Projects per year
Abstract
Type I interferons are important in regulating immune responses to pathogens and tumors. All interferons are considered to signal via the heterodimeric IFNAR1-IFNAR2 complex, yet some subtypes such as interferon-beta (IFN-beta) can exhibit distinct functional properties, although the molecular basis of this is unclear. Here we demonstrate IFN-beta can uniquely and specifically ligate to IFNAR1 in an IFNAR2-independent manner, and we provide the structural basis of the IFNAR1-IFN-beta interaction. The IFNAR1-IFN-beta complex transduced signals that modulated expression of a distinct set of genes independently of Jak-STAT pathways. Lipopolysaccharide-induced sepsis was ameliorated in Ifnar1(-/-) mice but not Ifnar2(-/-) mice, suggesting that IFNAR1-IFN-beta signaling is pathologically relevant. Thus, we provide a molecular basis for understanding specific functions of IFN-beta.
Original language | English |
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Pages (from-to) | 901 - 907 |
Number of pages | 7 |
Journal | Nature Immunology |
Volume | 14 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2013 |
Projects
- 2 Finished
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The role of a novel protein, interferon epsilon, in reproductive tract immunity
Australian Research Council (ARC), Monash University
4/01/11 → 31/12/15
Project: Research