Transcriptional activation of tyrosinase and TRP-I by p53 links UV irradiation to the protective tanning response

Karin Nylander, Jean-Christophe Bourdon, Susan E. Bray, Neil K. Gibbs, Richard Kay, Ian Hart, Peter A. Hall

    Research output: Contribution to journalArticle

    84 Citations (Scopus)

    Abstract

    We are exposed constantly to potentially harmful compounds and radiations. Complex adaptive protective responses have evolved to prevent such agents causing cellular damage, including potentially oncogenic mutation. The p53 tumour suppressor appears to have; a role in coordinating such responses: it is activated by diverse insults and it acts as a transcriptional regulator of downstream genes that facilitate cellular adaptation. Ultraviolet (UV) light is a particularly potent inducer of p53 expression. In addition, UV light induces the production of melanin as a protection against further irradiation-induced damage. This study shows that the promoters of the genes coding for the enzymes crucial in melanin biosynthesis, namely tyrosinase and tyrosinase-related protein-1 (TRP-1), are activated by wild-type p53. Both promoters have p53-responsive elements and are activated in vivo in a dose-dependent manner by wild-type p53, as well as by the p53 homologues p73 alpha and p63 alpha, Copyright (C) 2000 John Wiley & Sons, Ltd.

    Original languageEnglish
    Pages (from-to)39-46
    Number of pages8
    JournalJournal of Pathology
    Volume190
    Issue number1
    DOIs
    Publication statusPublished - 2000

    Cite this

    Nylander, Karin ; Bourdon, Jean-Christophe ; Bray, Susan E. ; Gibbs, Neil K. ; Kay, Richard ; Hart, Ian ; Hall, Peter A. / Transcriptional activation of tyrosinase and TRP-I by p53 links UV irradiation to the protective tanning response. In: Journal of Pathology. 2000 ; Vol. 190, No. 1. pp. 39-46.
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    abstract = "We are exposed constantly to potentially harmful compounds and radiations. Complex adaptive protective responses have evolved to prevent such agents causing cellular damage, including potentially oncogenic mutation. The p53 tumour suppressor appears to have; a role in coordinating such responses: it is activated by diverse insults and it acts as a transcriptional regulator of downstream genes that facilitate cellular adaptation. Ultraviolet (UV) light is a particularly potent inducer of p53 expression. In addition, UV light induces the production of melanin as a protection against further irradiation-induced damage. This study shows that the promoters of the genes coding for the enzymes crucial in melanin biosynthesis, namely tyrosinase and tyrosinase-related protein-1 (TRP-1), are activated by wild-type p53. Both promoters have p53-responsive elements and are activated in vivo in a dose-dependent manner by wild-type p53, as well as by the p53 homologues p73 alpha and p63 alpha, Copyright (C) 2000 John Wiley & Sons, Ltd.",
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    Transcriptional activation of tyrosinase and TRP-I by p53 links UV irradiation to the protective tanning response. / Nylander, Karin; Bourdon, Jean-Christophe; Bray, Susan E.; Gibbs, Neil K.; Kay, Richard ; Hart, Ian ; Hall, Peter A.

    In: Journal of Pathology, Vol. 190, No. 1, 2000, p. 39-46.

    Research output: Contribution to journalArticle

    TY - JOUR

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    AU - Nylander, Karin

    AU - Bourdon, Jean-Christophe

    AU - Bray, Susan E.

    AU - Gibbs, Neil K.

    AU - Kay, Richard

    AU - Hart, Ian

    AU - Hall, Peter A.

    PY - 2000

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