Cited by 812Cancer, Hypoxia, and MetabolismMetabolism, Diabetes, and CancerCancer and biochemical research

Pyruvate kinase type M2 and its role in tumor growth and spreading

Mazurek, Sybille, Boschek, C. Bruce, Hugo, Ferdinand, Eigenbrodt, Erich·2005·Seminars in Cancer Biology

Abstract

Proliferating cells and tumor cells in particular express the pyruvate kinase isoenzyme type M2 (M2-PK). Within the tumor metabolome M2-PK regulates the proportions of glucose carbons that are channelled to synthetic processes (inactive dimeric form) or used for glycolytic energy production (highly active tetrameric form, a component of the glycolytic enzyme complex). In tumor cells, the dimeric form of M2-PK (Tumor M2-PK) is always predominant. The dimerization is caused by direct interaction of M2-PK with certain oncoproteins. The switch between the tetrameric and dimeric form of M2-PK allows tumor cells to survive in environments with varying oxygen und nutrient supply.

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Crossref · 10.1016/j.semcancer.2005.04.009

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  • PKM2, when highly expressed, exists in an equilibrium of enzymatically inactive pyruvate kinase dimers (or monomers) which can translocate into the nucleus, and enzymatically active tetramers which are retained in the cytosol.

    “Current data indicates that PKM2, when highly expressed, exists in an equilibrium of enzymatically inactive pyruvate kinase dimers (or monomers) which can translocate into the nucleus(Christofk et al., 2008; Hitosugi et al., 2009), and enzymatically active tetramers which are retained in the cytosol(Mazurek et al., 2005).”

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Authors
Mazurek, S., Boschek, C. B., Hugo, F., & Eigenbrodt, E.
Affiliations
Justus-Liebig-Universität Gießen (DE)
Corresponding author
Mazurek, Sybille
Venue
Seminars in Cancer Biology
Publisher
Elsevier BV
Published
2005-08
Volume
15
Issue
4
Pages
300-308
ISSN
1044-579X (ISSN-L)
OpenAlex
W2058650387
Cited by
812
References
81
Citations by year
2026: 6 · 2025: 20 · 2024: 43 · 2023: 41 · 2022: 33 · 2021: 26 · 2020: 35 · 2019: 46 · 2018: 45 · 2017: 36 · 2016: 54 · 2015: 47 · 2014: 58 · 2013: 58 · 2012: 67
FWCI
1.68
Type
journal article
Language
en
Open access
closed
Locations
  • Seminars in Cancer Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer and biochemical research
Keywords
PKM2, cancer metabolism, glycolysis, enzyme dimerization, tumor growth, metastasis, tumor hypoxia, tumor cell proliferation
MeSH terms
Animals, Cell Division, Humans, Neoplasms, Pyruvate Kinase

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