Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target

A Tullo, G Mastropasqua, J C Bourdon, P Centonze, M Gostissa, A Costanzo, M Levrero, G Del Sal, C Saccone, E Sbisa

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    The discovery of the p73 and p63 genes, homologous to p53 tumor suppressor has uncovered a family of transcription factors and widened the scenario of cell cycle control and apoptosis. We have identified a putative p53-responsive element in the human adenosine deaminase (ADA) gene, an important enzyme involved in nucleotide metabolism, the deficit of which causes the inhibition of DNA synthesis and repair. Here, we demonstrate that the ectopic expression of p73 isoforms leads to the ADA gene upregulation, showing for the first time a correlation between p73 and ADA. W e found that p73 promotes ADA gene expression following a dNTP unbalance generated by ADA enzyme deficiency and 2' deoxyadenosine accumulation. The abrogation of p73 transcriptional activity by the specific dominant-negative p73DD abolishes ADA induction. By contrast, the ADA gene does not appear to be a functional p53 target in the physiological conditions we tested. On the whole, our results contribute to the emerging picture that p73 could play a different role from p53 in normal growth and development by inducing alternative target genes, which are not shared by p53.

    Original languageEnglish
    Pages (from-to)8738-8748
    Number of pages11
    JournalOncogene
    Volume22
    Issue number54
    DOIs
    Publication statusPublished - 27 Nov 2003

    Fingerprint

    Adenosine Deaminase
    DNA
    Enzymes
    Genes
    Cell Cycle Checkpoints
    Growth and Development
    DNA Repair
    Protein Isoforms
    Transcription Factors
    Up-Regulation
    Nucleotides
    Apoptosis
    Gene Expression
    Neoplasms

    Keywords

    • p73
    • p53
    • Adenosine deaminase
    • p53 family
    • Purine metabolism

    Cite this

    Tullo, A., Mastropasqua, G., Bourdon, J. C., Centonze, P., Gostissa, M., Costanzo, A., ... Sbisa, E. (2003). Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target. Oncogene, 22(54), 8738-8748. https://doi.org/10.1038/sj.onc.1206967
    Tullo, A ; Mastropasqua, G ; Bourdon, J C ; Centonze, P ; Gostissa, M ; Costanzo, A ; Levrero, M ; Del Sal, G ; Saccone, C ; Sbisa, E . / Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target. In: Oncogene. 2003 ; Vol. 22, No. 54. pp. 8738-8748.
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    Tullo, A, Mastropasqua, G, Bourdon, JC, Centonze, P, Gostissa, M, Costanzo, A, Levrero, M, Del Sal, G, Saccone, C & Sbisa, E 2003, 'Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target', Oncogene, vol. 22, no. 54, pp. 8738-8748. https://doi.org/10.1038/sj.onc.1206967

    Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target. / Tullo, A ; Mastropasqua, G ; Bourdon, J C ; Centonze, P ; Gostissa, M ; Costanzo, A ; Levrero, M ; Del Sal, G ; Saccone, C ; Sbisa, E .

    In: Oncogene, Vol. 22, No. 54, 27.11.2003, p. 8738-8748.

    Research output: Contribution to journalArticle

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    AU - Costanzo, A

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    AU - Del Sal, G

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    AU - Sbisa, E

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    Tullo A, Mastropasqua G, Bourdon JC, Centonze P, Gostissa M, Costanzo A et al. Adenosine deaminase, a key enzyme in DNA precursors control, is a new p73 target. Oncogene. 2003 Nov 27;22(54):8738-8748. https://doi.org/10.1038/sj.onc.1206967