Cited by 51Immunotherapy and Immune ResponsesCancer Immunotherapy and BiomarkersT-cell and B-cell Immunology

Anti-TGF-β Antibody Combined with Dendritic Cells Produce Antitumor Effects in Osteosarcoma

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Kawano, Masanori, Itonaga, Ichiro, Iwasaki, Tatsuya, Tsuchiya, Hiroyuki, Tsumura, Hiroshi·2012·Clinical Orthopaedics & Related Research

Abstract

BACKGROUND: We previously reported the combination of tumor cryotreatment with dendritic cells to promote antitumor immunity. The effect of the combination treatment with dendritic cells and antitransforming growth factor-β (anti-TGF-β) antibody on the elimination of regulatory T cells and the inhibition of tumor growth was investigated. QUESTIONS/PURPOSES: The effects of the combination treatment with dendritic cells and anti-TGF-β antibody on the enhancement of systemic immune responses and inhibition of metastatic tumor growth were investigated in a murine osteosarcoma (LM8) model. MATERIALS AND METHODS: To evaluate activation of the immune response, we established the following three groups of C3H mice (60 mice total): (1) excision only; (2) tumor excision and administration of anti-TGF-β antibody; and (3) tumor excision and administration of dendritic cells exposed to cryotreated tumor lysates with anti-TGF-β antibody. RESULTS: The mice that received dendritic cells exposed to cryotreated tumor lysates with anti-TGF-β antibody showed increased numbers of CD8(+) T lymphocytes, reduced regulatory T lymphocytes in the metastatic lesion, and inhibition of metastatic growth. The combined therapy group showed reduced numbers of regulatory T lymphocytes in the spleen and high serum interferon γ level. CONCLUSIONS: The control of the inhibitory condition induced by regulatory T cells is important to improve the suppression of the cytotoxic lymphocytes. Combining dendritic cells with anti-TGF-β antibody enhanced the systemic immune response. CLINICAL RELEVANCE: We suggest that our immunotherapy could be developed further to improve the treatment of osteosarcoma.

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  • Combined DCs and anti-TGF-β antibodies enhanced systemic immune responses in mice models.

    “Kawano et al. suggested that combined DCs and anti-TGF-β antibodies to treat osteosarcoma and detected enhanced systematic immune responses in mice models [149].”

    From Advances on immunotherapy for osteosarcoma (2024) · cites this paper as [149]

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Authors
Kawano, M., Itonaga, I., Iwasaki, T., Tsuchiya, H., & Tsumura, H.
Affiliations
  • Oita University (JP)
  • Kanazawa University (JP)
Corresponding author
Kawano, Masanori
Venue
Clinical Orthopaedics & Related Research
Published
2012-08
Volume
470
Issue
8
Pages
2288-2294
ISSN
0009-921X (ISSN-L)
OpenAlex
W1999506915
Cited by
51
References
26
Citations by year
2026: 3 · 2025: 7 · 2024: 5 · 2023: 6 · 2022: 6 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 1 · 2016: 4 · 2015: 3 · 2013: 2
FWCI
0.70
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Clinical Orthopaedics and Related Research (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
osteosarcoma, anti-TGF-beta antibody, dendritic cells, cancer immunotherapy, regulatory T cells, CD8+ T cells, interferon-gamma, tumor lysate, metastasis suppression
MeSH terms
Animals, Antibodies, Monoclonal, Bone Neoplasms, Combined Modality Therapy, Dendritic Cells, Female, Mice, Inbred C3H, Osteosarcoma, Tumor Cells, Cultured, Transforming Growth Factor beta, Treatment Outcome, CD8-Positive T-Lymphocytes, Cancer Vaccines, Xenograft Model Antitumor Assays, Mice

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