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Growth arrest-inducing genes are activated in Dbl-transformed mouse fibroblasts

  1. Author:
    Melani, R.
    Sallustio, F.
    Fardin, P.
    Vanni, C.
    Ognibene, M.
    Ottaviano, C.
    Melillo, G.
    Varesio, L.
    Eva, A.

  2. Author Address

    Ist Giannina Gaslini, Mol Biol Lab, I-16147 Genoa, Italy. NCI, DTP, Tumor Hypoxia Program, FCRF, Ft Detrick, MD 21702 USA.;Eva, A, Ist Giannina Gaslini, Mol Biol Lab, Largo G Gaslini 5, I-16147 Genoa, Italy.;alessandraeva@ospedale-gaslini.ge.it
    1. Year: 2006
  2. Journal: Gene Expression
    1. 13
    2. 3
    3. Pages: 155-165
  4. Type of Article: Article
  5. ISSN: 1052-2166
  1. Abstract:

    The Dbl oncogene is a guanine nucleotide exchange factor for Rho GTPases and its activity has been linked to the regulation of gene transcription. Dbl oncogene expression in NIH3T3 cells leads to changes in morphological and proliferative properties of these cells, inducing a highly transformed phenotype. To gain insights into Dbl oncogene-induced transformation we compared gene expression profiles between Dbl oncogene-transformed and parental NIH3T3 cells by cDNA microarray. We found that Dbl oncogene expression is associated with gene expression modulation involving upregulation of 51 genes and downregulation of 49 genes. Five of the overexpressed genes identified are known to exert antiproliferative functions. Our observations suggest that the expression of Dbl oncogene in NIH3T3 may lead to the induction of genes associated with cell cycle arrest, possibly through the activation of stress-induced kinases.

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External Sources

  1. View record in Web of Science®
  2. WOS: 000242907500003

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