Cited by 23Immunotherapy and Immune ResponsesCancer Immunotherapy and BiomarkersCancer Research and Treatments

Impact of 5-Fu/oxaliplatin on mouse dendritic cells and synergetic effect with a colon cancer vaccine

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Hong, Xinqiang, Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China, Dong, Tiangeng, Yi, Tuo, Hu, Jianwei, Zhang, Zhen, Lin, Shengli, Niu, Weixin·2018·Chinese Journal of Cancer Research

Abstract

OBJECTIVE: The aim of the present study was to investigate the effects of 5-fluorouracil (5-Fu) and oxaliplatin on the function and activation pathways of mouse dendritic cells (DCs), and to clarify whether 5-Fu/oxaliplatin combined with the CD1d-MC38/α-galactosylceramide (α-GC) tumor vaccine exhibits synergistic effects on the treatment of colon cancer in mice. METHODS: culture. DC phenotypic changes were detected by flow cytometry, and the secretion of DC cytokines was detected by cytometric bead array (CBA). A MC38 mouse colon cancer model was constructed and the DCs were isolated from the spleen, tumor tissue and lymph nodes following intraperitoneal injection of 5-Fu/oxaliplatin. The cell phenotypes were detected by flow cytometry. The tumor infiltrating leukocytes, splenocytes and lymph node cells were co-cultured with the dead MC38 tumor cells, and the secretion levels of interferon-γ (IFN-γ) were detected. 5-Fu/oxaliplatin combined with our previously developed CD1d-MC38/α-GC tumor vaccine was used to inhibit the growth of MC38 colon cancer in mice, and the tumor growth rate and survival time were recorded. RESULTS: , while it could reduce the expression of programmed death ligand 1/2 (PD-L1/L2) and promote interleukin-12 (IL-12) secretion by DCs. Furthermore 5-Fu/oxaliplatin was beneficial to the differentiation of T-helper 1 (Th1) cells. 5-Fu/oxaliplatin further enhanced the stimulating phenotypic expression of DCs in tumor bearing mice, decreased PD-L1/L2 expression, and specifically activated the lymphocytes. The CD1d-MC38/α-GC tumor vaccine combined with 5-Fu/oxaliplatin could exert a synergistic role that resulted in a significant delay of the tumor growth rate, and an increase in the survival time of tumor bearing mice. CONCLUSIONS: 5-Fu/oxaliplatin decreased the expression of the DC inhibitory phenotypes PD-L1/L2, promoted DC phenotypic maturation in tumor bearing mice, activated the lymphocytes of tumor bearing mice, and exerted synergistic effects with the CD1d-MC38/α-GC colon cancer tumor vaccine.

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Crossref · 10.21147/j.issn.1000-9604.2018.02.03

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  • Chemotherapeutic drugs such as vinblastine, 5-fluorouracil, and oxaliplatin could directly enhance the functions of DC and promote IL-12 secretion.

    “Also, chemotherapeutic drugs such as vinblastine, 5-fluorouracil, and oxaliplatin, could directly enhance the functions of DC and promote IL-12 secretion [49, 50].”

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Authors
Hong, X., Department of General Surgery, Z. H., Dong, T., Yi, T., Hu, J., Zhang, Z., Lin, S., & Niu, W.
Affiliations
Fudan University (CN)
Corresponding author
Niu, Weixin
Venue
Chinese Journal of Cancer Research
Published
2018
Volume
30
Issue
2
Pages
197-208
ISSN
1000-9604 (ISSN-L)
OpenAlex
W2800046601
Cited by
23
References
32
Citations by year
2026: 4 · 2025: 3 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 5 · 2020: 2 · 2019: 1 · 2018: 1
FWCI
0.97
Type
journal article
Language
en
Open access
Locations
  • Chinese Journal of Cancer Research (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Cancer Research and Treatments
Keywords
5-fluorouracil, oxaliplatin, dendritic cells, dendritic cell maturation, IL-12, Th1 differentiation, combination immunotherapy, tumor-infiltrating lymphocytes, interferon-gamma

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