Cited by 180Cancer, Hypoxia, and MetabolismMetabolism, Diabetes, and CancerCancer and biochemical research

Saturation of the mitochondrial NADH shuttles drives aerobic glycolysis in proliferating cells

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Wang, Yahui, Stancliffe, Ethan, Fowle-Grider, Ronald, Wang, Rencheng, Wang, Cheng, Schwaiger-Haber, Michaela, Shriver, Leah P., Patti, Gary J.·2022·Molecular Cell

Abstract

Proliferating cells exhibit a metabolic phenotype known as "aerobic glycolysis," which is characterized by an elevated rate of glucose fermentation to lactate irrespective of oxygen availability. Although several theories have been proposed, a rationalization for why proliferating cells seemingly waste glucose carbon by excreting it as lactate remains elusive. Using the NCI-60 cell lines, we determined that lactate excretion is strongly correlated with the activity of mitochondrial NADH shuttles, but not proliferation. Quantifying the fluxes of the malate-aspartate shuttle (MAS), the glycerol 3-phosphate shuttle (G3PS), and lactate dehydrogenase under various conditions demonstrated that proliferating cells primarily transform glucose to lactate when glycolysis outpaces the mitochondrial NADH shuttles. Increasing mitochondrial NADH shuttle fluxes decreased glucose fermentation but did not reduce the proliferation rate. Our results reveal that glucose fermentation, a hallmark of cancer, is a secondary consequence of MAS and G3PS saturation rather than a unique metabolic driver of cellular proliferation.

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Crossref · 10.1016/j.molcel.2022.07.007

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  • One clear advantage of aerobic glycolysis is that it allows cells to robustly regenerate NAD+ in the cytosol.

    “While the field continues to debate the underlying benefits of engaging in aerobic glycolysis, one clear advantage to the process is that it allows cells to robustly regenerate NAD+ in the cytosol (57).”

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Authors
Wang, Y., Stancliffe, E., Fowle-Grider, R., Wang, R., Wang, C., Schwaiger-Haber, M., Shriver, L. P., & Patti, G. J.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Patti, Gary J.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2022-09
Volume
82
Issue
17
Pages
3270-3283.e9
ISSN
1097-2765 (ISSN-L)
OpenAlex
W4291787698
Cited by
180
References
55
Citations by year
2026: 36 · 2025: 46 · 2024: 47 · 2023: 42 · 2022: 9
FWCI
15.14
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Edward Mallinckrodt, Jr. Foundation
  • National Institutes of Health (R24OD024624)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK056341)
  • National Institute of Environmental Health Sciences (R35ES028365)
  • National Center for Advancing Translational Sciences (L30 TR000589)
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
aerobic glycolysis, malate-aspartate shuttle, glycerol-3-phosphate shuttle, lactate dehydrogenase, lactate excretion, glucose fermentation, cell proliferation, cancer metabolism, NCI-60 cell lines
MeSH terms
Aspartic Acid, Glucose, Glycolysis, Malates, NAD, Lactic Acid

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