Stathmin: A protein with many tasks. New biomarker and potential target in cancer

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Introduction: Stathmin is a microtubule-destabilizing phosphoprotein, firstly identified as the downstream target of many signal transduction pathways. Several studies then indicated that stathmin is overexpressed in many types of human malignancies, thus deserving the name of Oncoprotein 18 (Op18). At molecular level, stathmin depolymerizes microtubules by either sequestering free tubulin dimers or directly inducing microtubule-catastrophe. A crucial role for stathmin in the control of mitosis has been proposed, since both its overexpression and its downregulation induce failure in the correct completion of cell division. Accordingly, stathmin is an important target of the main regulator of M phase, cyclin-dependent kinase 1. Areas covered: Recent evidences support a role for stathmin in the regulation of cell growth and motility, both in vitro and in vivo, and indicate its involvement in advanced, invasive and metastatic cancer more than in primary tumors. Expert opinion: Many studies suggest that high stathmin expression levels in cancer negatively influence the response to microtubule-targeting drugs. These notions together with the fact that stathmin is expressed at very low levels in most adult tissues strongly support the use of stathmin as marker of prognosis and as target for novel anti-tumoral and anti-metastatic therapies.

Original languageEnglish
Pages (from-to)1249-1266
Number of pages18
JournalExpert Opinion on Therapeutic Targets
Issue number11
Publication statusPublished - Nov 2011


  • Anticancer therapies
  • Cell cycle progression
  • Invasion
  • Op18
  • Stathmin

ASJC Scopus subject areas

  • Drug Discovery
  • Pharmacology
  • Clinical Biochemistry
  • Molecular Medicine


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