Cloning of the murine thymic stromal lymphopoietin (TSLP) receptor: Formation of a functional heteromeric complex requires interleukin 7 receptor

Linda S. Park, Unja Martin, Kirsten Garka, Brian Gliniak, James P. Di Santo, Werner Muller, David A. Largaespada, Neal G. Copeland, Nancy A. Jenkins, Andrew G. Farr, Steven F. Ziegler, Philip J. Morrissey, Raymond Paxton, John E. Sims

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The cellular receptor for murine thymic stromal lymphopoietin (TSLP) was detected in a variety of murine, but not human myelomonocytic cell lines by radioligand binding. cDNA clones encoding the receptor were isolated from a murine T helper cell cDNA library. TSLP receptor (TSLPR) is a member of the hematopoietin receptor family. Transfection of TSLPR cDNA resulted in only low affinity binding. Cotransfection of the interleukin 7 (IL-7)Rα chain cDNA resulted in conversion to high affinity binding. TSLP did not activate cells from IL-7Rα(-/-) mice, but did activate cells from γc(-/-) mice. Thus, the functional TSLPR requires the IL-7Rα chain, but not the γc chain for signaling.
    Original languageEnglish
    Pages (from-to)659-669
    Number of pages10
    JournalJournal of Experimental Medicine
    Volume192
    Issue number5
    DOIs
    Publication statusPublished - 4 Sept 2000

    Keywords

    • Cytokine
    • Cytokine receptors
    • DNA sequence
    • Interleukin 2 receptor
    • Interleukin 7 receptor

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