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VIP-helodermin receptors in the murine virus-induced t lymphoma cell line BL/VL3 recover less rapidly than βadrenoceptors after down regulation

  • C. Damien
  • , P. Robberecht
  • , J. Abello
  • , R. Hooghe
  • , J. Christophe

    Research outputpeer-review

    Abstract

    The time course of recovery of βadrenergic and VIP/helodermin receptors after homologous and heterologous down regulation was studied in the murine lymphoma cell line BL/VL3, a neoplastic equivalent of immature T cells. The heterologous part of isoproterenol down regulation was rapidly reversed, even in the presence of cycloheximide, suggesting that down regulation was linked to ligand-receptor interaction and/or cyclic AMP increase. Homologous down regulations of βadrenoceptors and VIP/helodermin receptors were less rapidly reversible and depended on protein synthesis as they were inhibited by cycloheximide: βadrenoceptors recovered faster than VIP/helodermin receptors.

    Original languageEnglish
    Pages (from-to)441-449
    Number of pages9
    JournalJournal of Receptors and Signal Transduction
    Volume9
    Issue number6
    DOIs
    StatePublished - 1989

    ASJC Scopus subject areas

    • Biochemistry
    • Molecular Biology
    • Cell Biology

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