Cited by 93Cancer, Hypoxia, and MetabolismMetabolism, Diabetes, and CancerCancer Cells and Metastasis

2-Deoxy-D-Glucose inhibits aggressive triple-negative breast cancer cells by targeting glycolysis and the cancer stem cell phenotype

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O’Neill, Sadhbh, Porter, Richard K., McNamee, Niamh, Martinez, Vanesa G., O’Driscoll, Lorraine·2019·Scientific Reports

Abstract

Abstract Due to limited availability of pharmacological therapies, triple-negative breast cancer (TNBC) is the subtype with worst outcome. We hypothesised that 2-Deoxy-D-Glucose (2-DG), a glucose analogue, may hold potential as a therapy for particularly aggressive TNBC. We investigated 2-DG’s effects on TNBC cell line variants, Hs578T parental cells and their isogenic more aggressive Hs578Ts(i)8 variant, using migration, invasion and anoikis assays. We assessed their bioenergetics by Seahorse. We evaluated metabolic alterations using a Seahorse XF Analyzer, citrate synthase assay, immunoblotting and flow cytometry. We assessed the cancer stem cell (CSC) phenotype of the variants and 2-DG’s effects on CSCs. 2-DG significantly inhibited migration and invasion of Hs578Ts(i)8 versus Hs578T and significantly decreased their ability to resist anoikis. Investigating 2-DG’s preferential inhibitory effect on the more aggressive cells, we found Hs578Ts(i)8 also had significantly decreased oxidative phosphorylation and increased glycolysis compared to Hs578T. This is likely due to mitochondrial dysfunction in Hs578Ts(i)8, shown by their significantly decreased mitochondrial membrane potential. Furthermore, Hs578Ts(i)8 had a significantly increased proportion of cells with CSC phenotype, which was significantly decreased by 2-DG. 2-DG may have benefit as a therapy for TNBC with a particularly aggressive phenotype, by targeting increased glycolysis. Studies of more cell lines and patients’ specimens are warranted.

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  • 2-DG is a promising inhibitor of glycolysis that decreases energy of cancer cells, making chemotherapy and other treatments more effective, and is most likely useful for treatment of breast cancer including TNBC.

    “2-DG is a promising inhibitor of glycolysis, which decreases the energy of the cancer cells thus making chemotherapy and other treatments more effective. It underwent clinical trials and most likely is useful for the treatment of breast cancer including TNBC (Wokoun et al., 2017; Lucantoni et al., 2018; O’Neill et al., 2019).”

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Authors
O’Neill, S., Porter, R. K., McNamee, N., Martinez, V. G., & O’Driscoll, L.
Affiliations
Trinity College Dublin (IE)
Corresponding author
O’Driscoll, Lorraine
Venue
Scientific Reports
Published
2019-03-07
Volume
9
Issue
1
Pages
3788-3788
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2918171807
Cited by
93
References
33
Citations by year
2026: 6 · 2025: 13 · 2024: 11 · 2023: 23 · 2022: 9 · 2021: 14 · 2020: 15 · 2019: 2
FWCI
3.15
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Arrow@dit (Dublin Institute of Technology) (submittedVersion, cc-by-nc-sa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Trinity's Access to Research Output (TARA) (Trinity College Dublin) (submittedVersion, cc-by)
Funders
  • Carrick Therapeutics
  • Irish Cancer Society ((CCRC13GAL))
  • Trinity College Dublin
  • Tsinghua-Berkeley Shenzhen institute
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
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
Keywords
2-deoxyglucose, triple-negative breast cancer, glycolysis, cancer stem cells, Hs578T cells, anoikis resistance, cell migration and invasion, oxidative phosphorylation, mitochondrial dysfunction, mitochondrial membrane potential, tumor aggressiveness, glucose analogs
MeSH terms
Pyruvate Dehydrogenase Acetyl-Transferring Kinase, Cell Movement, Citrate (si)-Synthase, Deoxyglucose, Female, Glycolysis, Humans, Mitochondria, Neoplastic Stem Cells, Anoikis, Cell Line, Tumor, Voltage-Dependent Anion Channel 1, Triple Negative Breast Neoplasms

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