Cited by 513Protein Tyrosine PhosphatasesProtein Kinase Regulation and GTPase SignalingSignaling Pathways in Disease

Protein phosphatase 2A regulatory subunits and cancer

Eichhorn, Pieter J.A., Creyghton, Menno P., Bernards, René·2009·Biochimica et Biophysica Acta (BBA) - Reviews on Cancer

Abstract

The serine/threonine protein phosphatase (PP2A) is a trimeric holoenzyme that plays an integral role in the regulation of a number of major signaling pathways whose deregulation can contribute to cancer. The specificity and activity of PP2A are highly regulated through the interaction of a family of regulatory B subunits with the substrates. Accumulating evidence indicates that PP2A acts as a tumor suppressor. In this review we summarize the known effects of specific PP2A holoenzymes and their roles in cancer relevant pathways. In particular we highlight PP2A function in the regulation of MAPK and Wnt signaling.

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Crossref · 10.1016/j.bbcan.2008.05.005

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24 of 24 references verified0 citation errors · 0 not checkable

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  • Only a subset of the numerous B subunits are relevant for the tumor suppressor activity of PP2A.

    “only a subset of the numerous B subunits are relevant for the tumor suppressor activity of PP2A [25,26]”
  • Binding of CIP2A to PP2A via specific B subunits may explain why CIP2A only regulates a fairly restricted number of phosphoproteins among thousands of potential target proteins regulated by different PP2A complexes.

    “Binding of CIP2A to PP2A via specific B subunits imposes an interesting possible explanation for observations that CIP2A only regulates a fairly restricted number of phosphoproteins [6,13] among thousands of potential target proteins regulated by different PP2A complexes [24,26].”

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Authors
Eichhorn, P. J. A., Creyghton, M. P., & Bernards, R.
Affiliations
The Netherlands Cancer Institute (NL)
Corresponding author
Bernards, René
Venue
Biochimica et Biophysica Acta (BBA) - Reviews on Cancer
Publisher
Elsevier BV
Published
2009-01
Volume
1795
Issue
1
Pages
1-15
ISSN
0304-419X (ISSN-L)
OpenAlex
W2070544692
Cited by
513
References
24
Citations by year
2026: 1 · 2025: 10 · 2024: 15 · 2023: 22 · 2022: 23 · 2021: 29 · 2020: 20 · 2019: 34 · 2018: 27 · 2017: 33 · 2016: 30 · 2015: 35 · 2014: 42 · 2013: 31 · 2012: 44
FWCI
3.01
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - Reviews on Cancer (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
Keywords
protein phosphatase 2A, tumor suppressor, MAPK signaling, Wnt signaling, serine/threonine phosphatase, signaling pathway deregulation, cancer
MeSH terms
Animals, Cell Transformation, Neoplastic, Humans, Models, Biological, Neoplasms, Signal Transduction, MAP Kinase Signaling System, Protein Subunits, Wnt Proteins, Protein Phosphatase 2

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