P53-dependent transcriptional regulation of EDA2R and its involvement in chemotherapy-induced hair loss

Ran Brosh, Rachel Sarig, Elad Bar Natan, Alina Molchadsky, Shalom Madar, Chamutal Bornstein, Yosef Buganim, Tirosh Shapira, Naomi Goldfinger, Ralf Paus, Varda Rotter

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The p53 tumor suppressor coordinates a multitude of cellular and organismal processes and exerts its activities mainly by activation of gene transcription. Here we describe the transcriptional activation of ectodysplasin A2 receptor (EDA2R) by p53 in a variety of cell types and tissues. We demonstrate that treatment of cancer cells with the ligand EDA-A2, known to specifically activate EDA2R, results in p53-dependent cell death. Moreover, we show that EDA2R is transactivated by p53 during chemotherapy-induced hair-loss, although its presence is not necessary for this process. These data shed new light on the role of EDA2R in exerting p53 function. © 2010 Federation of European Biochemical Societies.
    Original languageEnglish
    Pages (from-to)2473-2477
    Number of pages4
    JournalFEBS Letters
    Volume584
    Issue number11
    DOIs
    Publication statusPublished - Jun 2010

    Keywords

    • Alopecia
    • Chemotherapy-induced alopecia
    • Cyclophosphamide
    • Knockout
    • XEDAR

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