A novel Cas family member, HEPL, regulates FAK and cell spreading

Mahendra Singh, Disha Dadke, Emmanuelle Nicolas, Ilya G. Serebriiskii, Sinoula Apostolou, Adrian Canutescu, Brian L. Egleston, Erica A. Golemis

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

For over a decade, p130Cas/BCAR1, HEF1/NEDD9/Cas-L, and Efs/Sin have defined the Cas (Crk-associated substrate) scaffolding protein family. Cas proteins mediate integrin-dependent signals at focal adhesions, regulating cell invasion and survival; at least one family member, HEF1, regulates mitosis. We here report a previously undescribed novel branch of the Cas protein family, designated HEPL (for HEF1-Efs-p130Cas-like). The HEPL branch is evolutionarily conserved through jawed vertebrates, and HEPL is found in some species lacking other members of the Cas family. The human HEPL mRNA and protein are selectively expressed in specific primary tissues and cancer cell lines, and HEPL maintains Cas family function in localization to focal adhesions, as well as regulation of FAK activity, focal adhesion integrity, and cell spreading. It has recently been demonstrated that upregulation of HEF1 expression marks and induces metastasis, whereas high endogenous levels of p130Cas are associated with poor prognosis in breast cancer, emphasizing the clinical relevance of Cas proteins. Better understanding of the complete protein family should help inform prediction of cancer incidence and prognosis.

Original languageEnglish (US)
Pages (from-to)1627-1636
Number of pages10
JournalMolecular Biology of the Cell
Volume19
Issue number4
DOIs
StatePublished - Apr 1 2008
Externally publishedYes

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Crk-Associated Substrate Protein
Focal Adhesions
Mitosis
Integrins
Vertebrates
Neoplasms
Cell Survival
Proteins
Up-Regulation
Breast Neoplasms
Neoplasm Metastasis
Cell Line
Messenger RNA

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Singh, M., Dadke, D., Nicolas, E., Serebriiskii, I. G., Apostolou, S., Canutescu, A., ... Golemis, E. A. (2008). A novel Cas family member, HEPL, regulates FAK and cell spreading. Molecular Biology of the Cell, 19(4), 1627-1636. https://doi.org/10.1091/mbc.E07-09-0953

A novel Cas family member, HEPL, regulates FAK and cell spreading. / Singh, Mahendra; Dadke, Disha; Nicolas, Emmanuelle; Serebriiskii, Ilya G.; Apostolou, Sinoula; Canutescu, Adrian; Egleston, Brian L.; Golemis, Erica A.

In: Molecular Biology of the Cell, Vol. 19, No. 4, 01.04.2008, p. 1627-1636.

Research output: Contribution to journalArticle

Singh, M, Dadke, D, Nicolas, E, Serebriiskii, IG, Apostolou, S, Canutescu, A, Egleston, BL & Golemis, EA 2008, 'A novel Cas family member, HEPL, regulates FAK and cell spreading', Molecular Biology of the Cell, vol. 19, no. 4, pp. 1627-1636. https://doi.org/10.1091/mbc.E07-09-0953
Singh M, Dadke D, Nicolas E, Serebriiskii IG, Apostolou S, Canutescu A et al. A novel Cas family member, HEPL, regulates FAK and cell spreading. Molecular Biology of the Cell. 2008 Apr 1;19(4):1627-1636. https://doi.org/10.1091/mbc.E07-09-0953
Singh, Mahendra ; Dadke, Disha ; Nicolas, Emmanuelle ; Serebriiskii, Ilya G. ; Apostolou, Sinoula ; Canutescu, Adrian ; Egleston, Brian L. ; Golemis, Erica A. / A novel Cas family member, HEPL, regulates FAK and cell spreading. In: Molecular Biology of the Cell. 2008 ; Vol. 19, No. 4. pp. 1627-1636.
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