Cutting edge: IL-26 signals through a novel receptor complex composed of IL-20 receptor 1 and IL-10 receptor 2.

نویسندگان

  • Faruk Sheikh
  • Vitaliy V Baurin
  • Anita Lewis-Antes
  • Nital K Shah
  • Sergey V Smirnov
  • Shubha Anantha
  • Harold Dickensheets
  • Laure Dumoutier
  • Jean-Christophe Renauld
  • Alexander Zdanov
  • Raymond P Donnelly
  • Sergei V Kotenko
چکیده

The receptor for IL-26 (AK155), a cytokine of the IL-10 family, has not previously been defined. We demonstrate that the active receptor complex for IL-26 is a heterodimer composed of two receptor proteins: IL-20R1 and IL-10R2. Signaling through the IL-26R results in activation of STAT1 and STAT3 which can be blocked by neutralizing Abs against IL-20R1 or IL-10R2. IL-10R2 is broadly expressed on a wide variety of tissues, whereas only a limited number of tissues express IL-20R1. Therefore, the ability to respond to IL-26 is restricted by the expression of IL-20R1. IL-10, IL-19, IL-20, IL-22, and IL-24 fail to signal through the combination of IL-10R2 and IL-20R1 proteins, demonstrating that this receptor combination is unique and specific for IL-26.

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عنوان ژورنال:
  • Journal of immunology

دوره 172 4  شماره 

صفحات  -

تاریخ انتشار 2004