Mitogen-activated protein kinase activation is insufficient for growth factor receptor-mediated PC12 cell differentiation

Richard Vaillancourt, L. E. Heasley, J. Zamarripa, B. Storey, M. Valius, A. Kazlauskas, G. L. Johnson

Research output: Contribution to journalArticle

100 Citations (Scopus)

Abstract

When expressed in PC12 cells, the platelet-derived growth factor β receptor (βPDGF-R) mediates cell differentiation. Mutational analysis of the βPDGF-R indicated that persistent receptor stimulation of the Ras/Raf/mitogen-activated protein (MAP) kinase pathway alone was insufficient to sustain PC12 cell differentiation. PDGF receptor activation of signal pathways involving p60(c-src) or the persistent regulation of phospholipase Cγ was required for PC12 cell differentiation. βPDGF-R regulation of phosphatidylinositol 3-kinase, the GTPase-activating protein of Ras, and the tyrosine phosphatase, Syp, was not required for PC12 cell differentiation. In contrast to overexpression of oncoproteins involved in regulating the MAP kinase pathway, growth factor receptor-mediated differentiation of PC12 cells requires the integration of other signals with the Ras/Raf/MAP kinase pathway.

Original languageEnglish (US)
Pages (from-to)3644-3653
Number of pages10
JournalMolecular and Cellular Biology
Volume15
Issue number7
StatePublished - 1995
Externally publishedYes

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Growth Factor Receptors
PC12 Cells
Platelet-Derived Growth Factor Receptors
Mitogen-Activated Protein Kinases
Cell Differentiation
Phosphatidylinositol 3-Kinase
GTPase-Activating Proteins
Protein Tyrosine Phosphatases
Oncogene Proteins
Type C Phospholipases
Signal Transduction

ASJC Scopus subject areas

  • Cell Biology
  • Genetics
  • Molecular Biology

Cite this

Vaillancourt, R., Heasley, L. E., Zamarripa, J., Storey, B., Valius, M., Kazlauskas, A., & Johnson, G. L. (1995). Mitogen-activated protein kinase activation is insufficient for growth factor receptor-mediated PC12 cell differentiation. Molecular and Cellular Biology, 15(7), 3644-3653.

Mitogen-activated protein kinase activation is insufficient for growth factor receptor-mediated PC12 cell differentiation. / Vaillancourt, Richard; Heasley, L. E.; Zamarripa, J.; Storey, B.; Valius, M.; Kazlauskas, A.; Johnson, G. L.

In: Molecular and Cellular Biology, Vol. 15, No. 7, 1995, p. 3644-3653.

Research output: Contribution to journalArticle

Vaillancourt, R, Heasley, LE, Zamarripa, J, Storey, B, Valius, M, Kazlauskas, A & Johnson, GL 1995, 'Mitogen-activated protein kinase activation is insufficient for growth factor receptor-mediated PC12 cell differentiation', Molecular and Cellular Biology, vol. 15, no. 7, pp. 3644-3653.
Vaillancourt, Richard ; Heasley, L. E. ; Zamarripa, J. ; Storey, B. ; Valius, M. ; Kazlauskas, A. ; Johnson, G. L. / Mitogen-activated protein kinase activation is insufficient for growth factor receptor-mediated PC12 cell differentiation. In: Molecular and Cellular Biology. 1995 ; Vol. 15, No. 7. pp. 3644-3653.
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