Cited by 2,057Cancer Immunotherapy and BiomarkersImmune cells in cancerT-cell and B-cell Immunology

Immunosuppressive networks in the tumour environment and their therapeutic relevance

Zou, Weiping·2005·Nature Reviews Cancer

Abstract

It is well known that many tumours are potentially immunogenic, as corroborated by the presence of tumour-specific immune responses in vivo. Nonetheless, spontaneous clearance of established tumours by endogenous immune mechanisms is rare. Therefore, the focus of most cancer immunotherapies is to supplement essential immunogenic elements to boost tumour-specific immunity. Why then has tumour immunotherapy resulted in a generally poor clinical efficiency? The reason might lie in the increasingly documented fact that tumours develop diverse strategies that escape tumour-specific immunity.

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Crossref · 10.1038/nrc1586

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148 of 148 references verified0 citation errors · 0 not checkable

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  • It is likely that the poor response rate across all human cancers is due in part to the multiplicity of molecular mechanisms, many of them regulated by HIFs, by which cancer cells evade the immune system.

    “It is likely that the poor response rate across all human cancers is due in part to the multiplicity of molecular mechanisms (90), many of them regulated by HIFs (25), by which cancer cells evade the immune system.”
  • In the tumor microenvironment, stimulatory and inhibitory B7 family members are imbalanced, with high inhibitory and low stimulatory expression.

    “There is an active imbalance between stimulatory and inhibitory B7 family members in the tumor microenvironment [1,3,7,8].”
  • Tumor-infiltrating immune cells are educated to a tumor-supportive, anti-inflammatory phenotype that significantly promotes tumor neovascularization, metastasis, growth and survival.

    “Based on the intimate interplay of tumor cells and tumor-infiltrating immune cells, the latter ones are educated to a tumor-supportive, anti-inflammatory phenotype that significantly promotes tumor neovascularization, metastasis, growth and survival [55].”

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Authors
Zou, W.
Affiliations
Tulane University (US)
Corresponding author
Zou, Weiping
Venue
Nature Reviews Cancer
Published
2005-03-18
Volume
5
Issue
4
Pages
263-274
ISSN
  • 1474-175X (ISSN-L)
  • 1474-1768
OpenAlex
W1984484036
Cited by
2,057
References
148
Citations by year
2026: 43 · 2025: 52 · 2024: 54 · 2023: 104 · 2022: 68 · 2021: 82 · 2020: 100 · 2019: 89 · 2018: 96 · 2017: 101 · 2016: 96 · 2015: 118 · 2014: 113 · 2013: 122 · 2012: 113
FWCI
11.74
Type
journal article
Language
en
Open access
closed
Locations
  • Nature reviews. Cancer (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
tumor immunosuppression, tumor microenvironment, tumor-specific immunity, immune evasion, cancer immunotherapy, tumor immunogenicity
MeSH terms
Antigen-Presenting Cells, Antigens, Neoplasm, Combined Modality Therapy, Dendritic Cells, Humans, Immune Tolerance, Immunotherapy, Membrane Glycoproteins, Neoplasms, Peptides, Antigens, CD, T-Lymphocyte Subsets, B7-1 Antigen, Tumor Escape, B7-H1 Antigen

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