Author: Lazear, Helen M.; Nice, Timothy J.; Diamond, Michael S.
Title: Interferon-λ: immune functions at barrier surfaces and beyond Cord-id: s0bvpxtu Document date: 2015_7_1
ID: s0bvpxtu
Snippet: When type III interferon (IFN-λ; also known as interleukin-28 (IL-28) and IL-29) was discovered in 2003, its antiviral function was expected to be analogous to the type I IFNs (IFN-α and IFN-β), via the induction of IFN-stimulated genes (ISGs). While IFN-λ stimulates expression of antiviral ISGs preferentially in cells of epithelial origin, recent studies have defined additional antiviral mechanisms in other cell types and tissues. Models of viral infection using mice lacking IFN-λ signalin
Document: When type III interferon (IFN-λ; also known as interleukin-28 (IL-28) and IL-29) was discovered in 2003, its antiviral function was expected to be analogous to the type I IFNs (IFN-α and IFN-β), via the induction of IFN-stimulated genes (ISGs). While IFN-λ stimulates expression of antiviral ISGs preferentially in cells of epithelial origin, recent studies have defined additional antiviral mechanisms in other cell types and tissues. Models of viral infection using mice lacking IFN-λ signaling and single nucleotide polymorphism (SNP) associations with human disease have expanded our understanding of the contribution of IFN-λ to the antiviral response at anatomic barriers and the immune response beyond these barriers. In this review, we highlight recent insights into the functions of IFN-λ, including its ability to restrict virus spread into the brain and to clear chronic viral infections in the gastrointestinal tract. We also discuss how IFN-λ modulates innate and adaptive immunity, autoimmunity, and tumor progression and its possible therapeutic applications in human disease.
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