Molecular basis for HEF1/NEDD9/Cas-L action as a multifunctional co-ordinator of invasion, apoptosis and cell cycle

Mahendra K. Singh, Lauren Cowell, Sachiko Seo, Geraldine M. O'Neill, Erica A. Golemis

Research output: Contribution to journalReview article

78 Scopus citations

Abstract

Upregulation of the scaffolding protein HEF1, also known as NEDD9 and Cas-L, has recently been identified as a pro-metastatic stimulus in a number of different solid tumors, and has also been strongly associated with pathogenesis of BCR-Abl-dependent tumors. As the evidence mounts for HEF1/NEDD9/Cas-L as a key player in metastatic cancer, it is timely to review the molecular regulation of HEF1/NEDD9/Cas-L. Most of the mortality associated with cancer arises from uncontrolled metastases, thus a better understanding of the properties of proteins specifically associated with promotion of this process may yield insights that improve cancer diagnosis and treatment. In this review, we summarize the extensive literature regarding HEF1/NEDD9/Cas-L expression and function in signaling relevant to cell attachment, migration, invasion, cell cycle, apoptosis, and oncogenic signal transduction. The complex function of HEF1/NEDD9/Cas-L revealed by this analysis leads us to propose a model in which alleviation of cell cycle checkpoints and acquired resistance to apoptosis is permissive for a HEF1/NEDD9/Cas-L-promoted pro-metastatic phenotype.

Original languageEnglish (US)
Pages (from-to)54-72
Number of pages19
JournalCell Biochemistry and Biophysics
Volume48
Issue number1
DOIs
StatePublished - May 1 2007
Externally publishedYes

Keywords

  • Apoptosis
  • Cas-L
  • HEF1
  • HEF1/NEDD9/Cas-L
  • Invasion
  • Metastasis
  • Mitosis
  • NEDD9
  • Scaffolding adaptor protein
  • Signal transduction

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Cell Biology

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