Context Is Key: Delineating The Unique Functions Of Ifn Alpha And Ifn Beta In Disease
FRONTIERS IN IMMUNOLOGY(2020)
摘要
Type I interferons (IFNs) are critical effector cytokines of the immune system and were originally known for their important role in protecting against viral infections; however, they have more recently been shown to play protective or detrimental roles in many disease states. Type I IFNs consist of IFN alpha, IFN beta, IFN epsilon, IFN kappa, IFN omega, and a few others, and they all signal through a shared receptor to exert a wide range of biological activities, including antiviral, antiproliferative, proapoptotic, and immunomodulatory effects. Though the individual type I IFN subtypes possess overlapping functions, there is growing appreciation that they also have unique properties. In this review, we summarize some of the mechanisms underlying differential expression of and signaling by type I IFNs, and we discuss examples of differential functions of IFN alpha and IFN beta in models of infectious disease, cancer, and autoimmunity.
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关键词
type I interferons, infection, autoimmunity, cancer, IFNα, subtypes, IFNβ
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