Cited by 42Metabolism, Diabetes, and CancerColorectal Cancer Treatments and StudiesCancer, Hypoxia, and Metabolism

Sensitization to oxaliplatin in HCT116 and HT29 cell lines by metformin and ribavirin and differences in response to mitochondrial glutaminase inhibition

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Martinez Marignac, VeronicaL, Richard, SilvinaM·2015·Journal of Cancer Research and Therapeutics

Abstract

AIM OF STUDY: In the present study, we evaluated the effect of ribavirin and metformin on the sensitivity of oxaliplatin and 5-fluorouracil (5-FU) on colon cancer. MATERIALS AND METHODS: Cell viability of two commercially available colon cancer cell lines (HT29 and HCT116) were analyzed by sulforhodamine B (SRB) assay. RESULTS: A clinically achievable and nontoxic concentration of ribavirin and metformin showed a significant synergistic effect on oxaliplatin in HT29 and HCT116 cell lines. Ribavirin showed a synergistic effect on oxaliplatin in HT29 (R = 2.93, P < 0.001) and HCT116 (R = 1.71, P < 0.001), while only in HT29 metformin synergized with oxaliplatin by 2.66 (± 0.28, P < 0.01). In addition, both cell lines showed significant differences in response to Compound 968, inhibitor of mitochondrial glutaminase activity. CONCLUSION: The data suggested that these cell lines not only turn to metabolic different sustainability process after oxaliplatin treatment but that they also have different basal metabolic requirements of glutamine in vitro which can be exploits in the future for colorectal cancer (CRC) treatment and further studies are required.

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  • Pharmacological inhibition of glutaminase suppresses cell growth and induces apoptosis in human colorectal cancer cell lines.

    “Pharmacological inhibition of glutaminase suppressed cell growth and induced apoptosis in human CRC cell lines, thus suggesting that glutaminase may serve as a target for CRC therapy [11,26,31,32].”

    From Combined blockade of EGFR and glutamine metabolism in preclinical models of colorectal cancer (2020) · cites this paper as [31]

    The Results (page not available in our copy) report inhibitory concentrations for Compound 968, a glutaminase inhibitor, in the HT29 and HCT116 colorectal cancer cell lines. This supports an effect on cell survival, but the paper does not report that glutaminase inhibition induced apoptosis; its mention of apoptosis concerns oxaliplatin. (LLM, conf=0.88)

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Authors
Martinez Marignac, V., & Richard, S.
Affiliations
National University of Quilmes (AR)
Venue
Journal of Cancer Research and Therapeutics
Published
2015
Volume
11
Issue
2
Pages
336
ISSN
0973-1482 (ISSN-L)
OpenAlex
W1698996065
Cited by
42
References
16
Citations by year
2025: 2 · 2024: 5 · 2023: 3 · 2022: 4 · 2021: 5 · 2020: 2 · 2019: 8 · 2018: 6 · 2017: 3 · 2016: 3 · 2015: 1
FWCI
1.88
Type
journal article
Language
en
Open access
Locations
  • Journal of Cancer Research and Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
  • Americanae (AECID Library) (publishedVersion, other-oa)
  • Americanae (AECID Library) (submittedVersion, other-oa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-sa)
Funders
  • Consejo Nacional de Investigaciones Científicas y Técnicas
  • Ministerio de Ciencia, Tecnología e Innovación Productiva
  • Universidad de la República Uruguay
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Oncology › Colorectal Cancer Treatments and Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
oxaliplatin, metformin, ribavirin, 5-fluorouracil, colorectal cancer, drug synergy, HCT116 cells, HT-29 cells, glutamine metabolism, chemosensitization
MeSH terms
Oxaliplatin, Antineoplastic Agents, Cell Survival, Dose-Response Relationship, Drug, Drug Synergism, Glutaminase, Humans, Metformin, Mitochondria, Organoplatinum Compounds, Ribavirin, HT29 Cells, Inhibitory Concentration 50, HCT116 Cells

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