Cited by 1,635Cancer, Hypoxia, and MetabolismMetabolism, Diabetes, and CancerCancer and biochemical research

Attenuation of LDH-A expression uncovers a link between glycolysis, mitochondrial physiology, and tumor maintenance

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Fantin, Valeria R., St-Pierre, Julie, Leder, Philip·2006·Cancer Cell

Abstract

Alterations in cellular metabolism are among the most consistent hallmarks of cancer. Herein we have investigated the relationship between increased aerobic lactate production and mitochondrial physiology in tumor cells. To diminish the ability of malignant cells to metabolize pyruvate to lactate, lactate dehydrogenase A (LDH-A) levels were knocked down by means of LDH-A short hairpin RNAs. Reduction in LDH-A activity resulted in stimulation of mitochondrial respiration and decrease of mitochondrial membrane potential. It also compromised the ability of these tumor cells to proliferate under hypoxia. The tumorigenicity of the LDH-A-deficient cells was severely diminished, and this phenotype was reversed by complementation with the human ortholog LDH-A protein. These results demonstrate that LDH-A plays a key role in tumor maintenance.

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Crossref · 10.1016/j.ccr.2006.04.023

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Authors
Fantin, V. R., St-Pierre, J., & Leder, P.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Leder, Philip
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2006-06
Volume
9
Issue
6
Pages
425-434
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2163471981
Cited by
1,635
References
45
Citations by year
2026: 61 · 2025: 76 · 2024: 75 · 2023: 81 · 2022: 94 · 2021: 91 · 2020: 100 · 2019: 94 · 2018: 90 · 2017: 82 · 2016: 77 · 2015: 106 · 2014: 92 · 2013: 98 · 2012: 83
FWCI
22.86
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (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
LDHA, aerobic glycolysis, mitochondrial respiration, mitochondrial membrane potential, tumor maintenance, hypoxia, tumor cell proliferation, tumorigenicity, cancer metabolism, pyruvate to lactate conversion
MeSH terms
Lactate Dehydrogenase 5, Adenosine Triphosphate, Animals, Cell Transformation, Neoplastic, Female, Glucose, Glycolysis, Humans, Indoles, Isoenzymes, L-Lactate Dehydrogenase, Mammary Glands, Animal, Mammary Neoplasms, Experimental, Membrane Potentials, Mitochondria, Neoplasm Transplantation, Oxidative Phosphorylation, Oxygen Consumption, Pyridinium Compounds, Cell Hypoxia, Lactic Acid, Cell Line, Tumor, Cell Proliferation, Mitochondrial Membranes, Mice

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