Cited by 105Cancer, Hypoxia, and MetabolismAmino Acid Enzymes and MetabolismCancer, Lipids, and Metabolism

Liver-Type Glutaminase GLS2 Is a Druggable Metabolic Node in Luminal-Subtype Breast Cancer

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Lukey, Michael J., Cluntun, Ahmad A., Katt, William P., Lin, Miao-chong J., Druso, Joseph E., Ramachandran, Sekar, Erickson, Jon W., Le, Henry H. +4 more·2019·Cell Reports

Abstract

Efforts to target glutamine metabolism for cancer therapy have focused on the glutaminase isozyme GLS. The importance of the other isozyme, GLS2, in cancer has remained unclear, and it has been described as a tumor suppressor in some contexts. Here, we report that GLS2 is upregulated and essential in luminal-subtype breast tumors, which account for >70% of breast cancer incidence. We show that GLS2 expression is elevated by GATA3 in luminal-subtype cells but suppressed by promoter methylation in basal-subtype cells. Although luminal breast cancers resist GLS-selective inhibitors, we find that they can be targeted with a dual-GLS/GLS2 inhibitor. These results establish a critical role for GLS2 in mammary tumorigenesis and advance our understanding of how to target glutamine metabolism in cancer.

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  • GLSs have at least three isoforms, GLS1, GLS2, and GAC, all localized in mitochondria.

    “GLSs have at least three isoforms, GLS1, GLS2, and GAC (a splicing isoform of GLS1), all of which were recently reported to be localized in mitochondria18–20.”

    From Glutamine reliance in cell metabolism (2020) · cites this paper as [20]

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Authors
Lukey, M. J., Cluntun, A. A., Katt, W. P., Lin, M.-C. J., Druso, J. E., Ramachandran, S., Erickson, J. W., Le, H. H., Wang, Z.-E., Blank, B., Greene, K. S., & Cerione, R. A.
Affiliations
Cornell University (US)
Corresponding author
Cerione, Richard A.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2019-10
Volume
29
Issue
1
Pages
76-88.e7
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2978965391
Cited by
103
References
41
Citations by year
2026: 10 · 2025: 10 · 2024: 21 · 2023: 17 · 2022: 13 · 2021: 17 · 2020: 13 · 2019: 2
FWCI
3.71
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (acceptedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • King Abdullah International Medical Research Center
  • Ministry of National Guard Health Affairs
  • National Institutes of Health (GM122575, CA201402)
  • Breast Cancer Coalition of Rochester
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Amino Acid Enzymes and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
Keywords
GLS2, glutaminase, luminal breast cancer, glutamine metabolism, GATA3, promoter methylation, mammary carcinogenesis, cancer metabolism, therapeutic target
MeSH terms
Animals, Breast Neoplasms, Cell Line, Female, Glutaminase, Glutamine, Humans, Liver, Promoter Regions, Genetic, Genes, Tumor Suppressor, DNA Methylation, Cell Line, Tumor, GATA3 Transcription Factor, Mice, HEK293 Cells, MCF-7 Cells, Carcinogenesis

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