Cited by 416Immune cells in cancerImmunotherapy and Immune ResponsesCancer Immunotherapy and Biomarkers

Doxorubicin Eliminates Myeloid-Derived Suppressor Cells and Enhances the Efficacy of Adoptive T-Cell Transfer in Breast Cancer

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Alizadeh, Darya, Trad, Malika, Hanke, Neale T., Larmonier, Claire B., Janikashvili, Nona, Bonnotte, Bernard, Katsanis, Emmanuel, Larmonier, Nicolas·2014·Cancer Research

Published version of a preprint

Abstract

Myeloid-derived suppressor cells (MDSC) expand in tumor-bearing hosts and play a central role in cancer immune evasion by inhibiting adaptive and innate immunity. They therefore represent a major obstacle for successful cancer immunotherapy. Different strategies have thus been explored to deplete and/or inactivate MDSC in vivo. Using a murine mammary cancer model, we demonstrated that doxorubicin selectively eliminates MDSC in the spleen, blood, and tumor beds. Furthermore, residual MDSC from doxorubicin-treated mice exhibited impaired suppressive function. Importantly, the frequency of CD4+ and CD8+ T lymphocytes and consequently the effector lymphocytes or natural killer (NK) to suppressive MDSC ratios were significantly increased following doxorubicin treatment of tumor-bearing mice. In addition, the proportion of NK and cytotoxic T cell (CTL) expressing perforin and granzyme B and of CTL producing IFN-γ was augmented by doxorubicin administration. Of therapeutic relevance, this drug efficiently combined with Th1 or Th17 lymphocytes to suppress tumor development and metastatic disease. MDSC isolated from patients with different types of cancer were also sensitive to doxorubicin-mediated cytotoxicity in vitro. These results thus indicate that doxorubicin may be used not only as a direct cytotoxic drug against tumor cells, but also as a potent immunomodulatory agent that selectively impairs MDSC-induced immunosuppression, thereby fostering the efficacy of T-cell–based immunotherapy. Cancer Res; 74(1); 104–18. ©2013 AACR.

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Authors
Alizadeh, D., Trad, M., Hanke, N. T., Larmonier, C. B., Janikashvili, N., Bonnotte, B., Katsanis, E., & Larmonier, N.
Affiliations
University of Arizona (US)
Corresponding author
Larmonier, Nicolas
Venue
Cancer Research
Published
2014-01-01
Volume
74
Issue
1
Pages
104-118
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W2143145234
Cited by
416
References
52
Citations by year
2026: 22 · 2025: 29 · 2024: 36 · 2023: 40 · 2022: 43 · 2021: 44 · 2020: 42 · 2019: 25 · 2018: 27 · 2017: 29 · 2016: 32 · 2015: 33 · 2014: 13 · 2013: 1
FWCI
14.55
Type
journal article
Language
en
Open access
Locations
  • Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Cancer Institute (CA-023074, R01CA104926, T32CA009213, P30CA023074)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
doxorubicin, myeloid-derived suppressor cells, breast cancer, adoptive T cell therapy, cancer immunotherapy, immunosuppression, natural killer cells, cytotoxic T lymphocytes, perforin and granzyme B, interferon-gamma, Th1 cells, Th17 cells, metastasis
MeSH terms
Animals, Antibiotics, Antineoplastic, Breast Neoplasms, Doxorubicin, Female, Humans, Mice, Inbred BALB C, Mice, Inbred C57BL, T-Lymphocytes, Cytotoxic, Immunotherapy, Adoptive, Myeloid Cells, Cell Line, Tumor, Mice

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