Interferon-ε protects the female reproductive tract from viral and bacterial infection.
Interferon-ε protects the female reproductive tract from viral and bacterial infection.
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DOI:
10.1126/science.1233321
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发表时间:
2013-03-01
期刊:
影响因子:
--
通讯作者:
Hertzog PJ
中科院分区:
文献类型:
--
作者:
Fung KY;Mangan NE;Cumming H;Horvat JC;Mayall JR;Stifter SA;De Weerd N;Roisman LC;Rossjohn J;Robertson SA;Schjenken JE;Parker B;Gargett CE;Nguyen HP;Carr DJ;Hansbro PM;Hertzog PJ
The innate immune system senses pathogens by pattern recognition receptors (PRR) that signal to induce effector cytokines, such as type I interferons (IFNs). We characterized IFNε as a type I IFN because it signaled via the Ifnar1 and Ifnar2 receptors to induce IFN-regulated genes. In contrast to other type I IFNs, IFNε was not induced by known PRR pathways, but was instead constitutively expressed by epithelial cells of the female reproductive tract (FRT) and hormonally regulated. Ifnε-deficient mice had increased susceptibility to infection of the FRT by common sexually transmitted infections (STIs) Herpes Simplex Virus (HSV)-2 and Chlamydia muridarum. IFNε is thus a potent anti-pathogen and immunoregulatory cytokine that may be important in combating STIs which represent a major global health and socioeconomic burden.
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