EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation

M. Huang, Sudarshan Anand, E. A. Murphy, J. S. Desgrosellier, D. G. Stupack, S. J. Shattil, D. D. Schlaepfer, D. A. Cheresh

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Tyrosine kinase receptors have an essential role in various aspects of tumor progression. In particular, epidermal growth factor receptor (EGFR) and its ligands have been implicated in the growth and dissemination of a wide array of human carcinomas. Here, we describe an EGFR-mediated signaling pathway that regulates human pancreatic carcinoma cell invasion and metastasis, yet does not influence the growth of primary tumors. In fact, ligation/activation of EGFR induces Src-dependent phosphorylation of two critical tyrosine residues of p130CAS, leading to the assembly of a Crk-associated substrate (CAS)/Nck1 complex that promotes Ras-associated protein-1 (Rap1) signaling. Importantly, GTP loading of Rap1 is specifically required for pancreatic carcinoma cell migration on vitronectin but not on collagen. Furthermore, Rap1 activation is required for EGFR-mediated metastasis in vivo without impacting primary tumor growth. These findings identify a molecular pathway that promotes the invasive/metastatic properties of human pancreatic carcinomas driven by EGFR.

Original languageEnglish (US)
Pages (from-to)2783-2793
Number of pages11
JournalOncogene
Volume31
Issue number22
DOIs
StatePublished - May 31 2012
Externally publishedYes

Fingerprint

ras Proteins
Epidermal Growth Factor Receptor
Neoplasm Metastasis
Crk-Associated Substrate Protein
Growth
Vitronectin
Neoplasms
Receptor Protein-Tyrosine Kinases
Guanosine Triphosphate
Cell Movement
Ligation
Tyrosine
Collagen
Phosphorylation
Pancreatic Carcinoma
Ligands
Carcinoma

Keywords

  • CAS
  • EGFR
  • Metastasis
  • Pancreatic cancer
  • Rap1
  • Tyrosine phosphorylation

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Huang, M., Anand, S., Murphy, E. A., Desgrosellier, J. S., Stupack, D. G., Shattil, S. J., ... Cheresh, D. A. (2012). EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation. Oncogene, 31(22), 2783-2793. https://doi.org/10.1038/onc.2011.450

EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation. / Huang, M.; Anand, Sudarshan; Murphy, E. A.; Desgrosellier, J. S.; Stupack, D. G.; Shattil, S. J.; Schlaepfer, D. D.; Cheresh, D. A.

In: Oncogene, Vol. 31, No. 22, 31.05.2012, p. 2783-2793.

Research output: Contribution to journalArticle

Huang, M, Anand, S, Murphy, EA, Desgrosellier, JS, Stupack, DG, Shattil, SJ, Schlaepfer, DD & Cheresh, DA 2012, 'EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation', Oncogene, vol. 31, no. 22, pp. 2783-2793. https://doi.org/10.1038/onc.2011.450
Huang M, Anand S, Murphy EA, Desgrosellier JS, Stupack DG, Shattil SJ et al. EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation. Oncogene. 2012 May 31;31(22):2783-2793. https://doi.org/10.1038/onc.2011.450
Huang, M. ; Anand, Sudarshan ; Murphy, E. A. ; Desgrosellier, J. S. ; Stupack, D. G. ; Shattil, S. J. ; Schlaepfer, D. D. ; Cheresh, D. A. / EGFR-dependent pancreatic carcinoma cell metastasis through Rap1 activation. In: Oncogene. 2012 ; Vol. 31, No. 22. pp. 2783-2793.
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