RanBP1 downregulation sensitizes cancer cells to taxol in a caspase-3-dependent manner. (Articolo in rivista)

Type
Label
  • RanBP1 downregulation sensitizes cancer cells to taxol in a caspase-3-dependent manner. (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/onc.2009.24 (literal)
Alternative label
  • Rensen WM, Roscioli E, Tedeschi A, Mangiacasale R, Ciciarello M, Di Gioia SA, Lavia P. (2009)
    RanBP1 downregulation sensitizes cancer cells to taxol in a caspase-3-dependent manner.
    in Oncogene (Basingstoke); NATURE PUBLISHING GROUP,, LONDON (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rensen WM, Roscioli E, Tedeschi A, Mangiacasale R, Ciciarello M, Di Gioia SA, Lavia P. (literal)
Pagina inizio
  • 1748 (literal)
Pagina fine
  • 1758 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 28 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Biologia e Patologia Molecolari CNR (literal)
Titolo
  • RanBP1 downregulation sensitizes cancer cells to taxol in a caspase-3-dependent manner. (literal)
Abstract
  • Mitotic microtubule (MT)-targeting drugs are widely used to treat cancer. The GTPase Ran regulates multiple processes, including mitotic spindle assembly, spindle pole formation and MT dynamics; Ran activity is therefore essential to formation of a functional mitotic apparatus. The RanBP1 protein, which binds Ran and regulates its interaction with effectors, is overexpressed in many cancer types. Several observations indicate that RanBP1 contributes to regulate the function of the mitotic apparatus: RanBP1 inactivation yields hyperstable MTs and induces apoptosis during mitosis, reminiscent of the effects of the MT-stabilizing drug taxol. Here we have investigated the influence of RanBP1 on spontaneous and taxol-induced apoptosis in transformed cells. We report that RanBP1 downregulation by RNA interference activates apoptosis in several transformed cell lines regardless of their p53 status, but not in the caspase-3-defective MCF-7 breast cancer cell line. Furthermore, RanBP1-interfered cells show an increased apoptotic response to taxol compared to their counterpart with normal or high RanBP1 levels, and this response is caspase-3 dependent. These results indicate that RanBP1 can modulate the outcome of MT-targeting therapeutic protocols. (literal)
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