Cited by 25Protein Kinase Regulation and GTPase SignalingCancer-related Molecular PathwaysProtein Tyrosine Phosphatases

p73 cooperates with Ras in the activation of MAP kinase signaling cascade

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Fernandez-Garcia, B, Vaqué, J P, Herreros-Villanueva, M, Marques-Garcia, F, Castrillo, F, Fernandez-Medarde, A, León, J, Marín, M C·2007·Cell Death & Differentiation

Abstract

The p73 gene is capable of inducing cell cycle arrest, apoptosis, senescence, differentiation and to cooperate with oncogenic Ras in cellular transformation. Ras can be considered as a branch point in signal transduction, where diverse extracellular stimuli converge. The intensity of the mitogen-activated protein kinase (MAPK) cascade activation influences the cellular response to Ras. Despite the fundamental role of p53 in Ras-induced growth arrest and senescence, it remains unclear how the Ras/MEK/ERK pathway induces growth arrest in the absence of p53. We report here that oncogenic Ras stabilizes p73 resulting in p73 accumulation and enhancement of its activity. p73, in turn, induces a sustained activation of the MAP kinase cascade synergizing with oncogenic Ras. We also found that inhibition of p73 function modifies the cellular outcome to Ras activation inhibiting Ras-dependent differentiation. Here, we show for the first time that there is a signaling loop between Ras-dependent MAPK cascade activation and p73 function.

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Crossref · 10.1038/sj.cdd.4401945

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  • Network analysis connects oncogenic RAS to several mutated driver genes-KMT2D, PIK3CA, PTEN, and IDH1-that control signaling and metabolic pathways in KRAS-driven cancers.

    “Network analysis of the several driver mutation genes, including KMT2D138, PIK3CA139, PTEN140, and IDH1141, that regulate signaling and metabolic pathways in KRAS-driven cancers, connects them to oncogenic RAS (Fig 4c).”

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Research works printed but not linked: 1

  1. Bunz F, Dutriaux A, Lengauer C, Waldman T, Zhou S, Brown JP et al. Requirement for p53 and p21 to sustain G2 arrest after DNA damage. Science 1998; 282: 1497-1501.

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Authors
Fernandez-Garcia, B., Vaqué, J. P., Herreros-Villanueva, M., Marques-Garcia, F., Castrillo, F., Fernandez-Medarde, A., León, J., & Marín, M. C.
Affiliations
  • Universidad de León (ES)
  • Universidad de Cantabria (ES)
Corresponding author
Marín, M C
Venue
Cell Death & Differentiation
Published
2006-04-28
Volume
14
Issue
2
Pages
254-265
ISSN
  • 1350-9047 (ISSN-L)
  • 1476-5403
OpenAlex
W1986493645
Cited by
25
References
40
Citations by year
2024: 1 · 2021: 1 · 2019: 1 · 2018: 2 · 2017: 1 · 2015: 4 · 2014: 1 · 2013: 4 · 2012: 3
FWCI
0.41
Type
journal article
Language
en
Open access
Locations
  • Cell Death and Differentiation (publishedVersion)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
  • Gredos (University of Salamanca) (submittedVersion, cc-by-nc-nd)
  • Hispana (submittedVersion, cc-by-nc-nd)
Funders
European Social Fund
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
Keywords
p73, oncogenic Ras, MAPK signaling, MEK/ERK signaling, protein stabilization, growth arrest, cell differentiation, p53-independent signaling, cell transformation
MeSH terms
Animals, Cell Differentiation, Cell Transformation, Neoplastic, DNA-Binding Proteins, Enzyme Activation, Humans, Nuclear Proteins, Protein Binding, Genes, ras, Oncogene Protein p21(ras), Tumor Suppressor Protein p53, MAP Kinase Signaling System, Tumor Suppressor Proteins, HCT116 Cells, Extracellular Signal-Regulated MAP Kinases, Rats

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