Cited by 32Immunotherapy and Immune ResponsesT-cell and B-cell ImmunologyCancer Immunotherapy and Biomarkers

Fucoidin enhances dendritic cell-mediated T-cell cytotoxicity against NY-ESO-1 expressing human cancer cells

Hu, Yaling, Cheng, Samuel Chak-Sum, Chan, Kin-Tak, Ke, Yan, Xue, Bofu, Sin, Fion Wan-Yee, Zeng, Chenjie, Xie, Yong·2010·Biochemical and Biophysical Research Communications

Abstract

Scavenger receptor A (SR-A) plays a crucial role in affecting the dendritic cell-mediated presentation of cancer testis antigens to T cells against human cancer cells. Here we use a dendritic cell-mediated model to verify that a sulphated polysaccharide, fucoidin, can regulate the adverse regulatory function of SR-A, and lead to the up-regulation of the anti-tumor immunological response. SR-A is a receptor of calreticulin (CRT) existing on the surface of dendritic cells (DCs). CRT is a specific receptor for a NY-ESO-1 cancer testis antigen, and CRT itself is responsible for the cross-presentation of NY-ESO-1 to CD8+ cells and the induction of anti-tumor immunity. Flow cytometrical analysis (FACS) showed that fucoidin was able to significantly enhance the binding ratio of NY-ESO-1 to human DCs in a concentration dependent manner, and that the addition of fucoidin promoted the DC maturation upon stimulation of NY-ESO-1. Results from a cytotoxicity assay indicated that fucoidin-treated DCs stimulated the CD8+ T cells more effectively than non-treated DCs via a cross-presentation pathway. Furthermore, it was found that after stimulated by fucoidin-treated DCs, the CD8+ T cells can release more IFN-gamma than non-fucoidin-treated cells as detected by intracellular IFN-gamma staining. We conclude that fucoidin enhances the cross-presentation of NY-ESO-1 to T cells leading to an increase of T-cell cytotoxicity against NY-ESO-1 expressing human cancer cells.

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Crossref · 10.1016/j.bbrc.2010.01.018

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Authors
Hu, Y., Cheng, S. C.-S., Chan, K.-T., Ke, Y., Xue, B., Sin, F. W.-Y., Zeng, C., & Xie, Y.
Affiliations
Hong Kong University of Science and Technology (HK)
Corresponding author
Xie, Yong
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
2010-02
Volume
392
Issue
3
Pages
329-334
ISSN
0006-291X (ISSN-L)
OpenAlex
W1973480631
Cited by
32
References
27
Citations by year
2026: 1 · 2025: 2 · 2023: 4 · 2021: 1 · 2020: 5 · 2019: 2 · 2018: 2 · 2017: 3 · 2016: 2 · 2015: 3 · 2014: 4 · 2013: 2 · 2012: 1
FWCI
0.41
Type
journal article
Language
en
Open access
closed
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
Funders
Hong Kong Research Grant Council
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
fucoidan, scavenger receptor A, calreticulin, NY-ESO-1, cancer-testis antigens, dendritic cell maturation, cross-presentation, CD8+ T cells, T cell cytotoxicity, interferon-gamma, sulfated polysaccharides, antitumor immunity
MeSH terms
Antigens, Neoplasm, Antineoplastic Agents, Cytotoxicity, Immunologic, Dendritic Cells, Humans, Membrane Proteins, Neoplasms, Polysaccharides, T-Lymphocytes, Cytotoxic, Cross-Priming, Cell Line, Tumor

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