Cited by 64Cancer, Hypoxia, and MetabolismCancer Immunotherapy and BiomarkersImmune cells in cancer

Intratumoral hypoxia and mechanisms of immune evasion mediated by hypoxia-inducible factors

Semenza, Gregg L.·2021·Physiology

Abstract

Activation of the innate and adaptive immune systems represents a promising strategy for defeating cancer. However, during tumor progression, cancer cells battle to shift the balance from immune activation to immunosuppression. Critical sites of this battle are regions of intratumoral hypoxia, and a major driving force for immunosuppression is the activity of hypoxia-inducible factors, which regulate the transcription of large batteries of genes in both cancer and stromal cells that block the infiltration and activity of cytotoxic T lymphocytes and natural killer cells, while stimulating the infiltration and activity of regulatory T cells, myeloid-derived suppressor cells, and tumor-associated macrophages. Targeting hypoxia-inducible factors or their target gene products may restore anticancer immunity and improve the response to immunotherapies.

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Registry

Crossref · 10.1152/physiol.00034.2020

Cites

25 of 25 references verified0 citation errors · 0 not checkable

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  • HIFs play critical roles in cancer progression by activating transcription of genes encoding proteins involved in angiogenesis, glucose metabolism, invasion/metastasis, stem cell specification, protumoral inflammatory responses, and tumor immune evasion.

    “Hypoxia-inducible factors (HIFs) play critical roles in cancer progression by activating the transcription of a large battery of genes encoding proteins that play key roles in angiogenesis, glucose metabolism, invasion/metastasis, stem cell specification, protumoral inflammatory responses, and tumor immune evasion (18, 23–27).”
  • 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.”

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Authors
Semenza, G. L.
Affiliations
Johns Hopkins University (US)
Corresponding author
Semenza, Gregg L.
Venue
Physiology
Published
2021-03-01
Volume
36
Issue
2
Pages
73-83
ISSN
  • 0886-1714 (ISSN-L)
  • 1548-9213
  • 1548-9221
OpenAlex
W3131474805
Cited by
64
References
25
Citations by year
2026: 5 · 2025: 12 · 2024: 12 · 2023: 11 · 2022: 20 · 2021: 4
FWCI
4.66
Type
journal article
Language
en
Open access
closed
Locations
  • Physiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Armstrong Family Foundation
  • Cindy Rosencrans Foundation
  • American Cancer Society (RP-16-239-06-COUN)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
intratumoral hypoxia, hypoxia-inducible factor, tumor immune evasion, immunosuppression, regulatory T cells, myeloid-derived suppressor cells, tumor-associated macrophages, natural killer cells, cytotoxic T lymphocytes, tumor stroma, cancer immunotherapy, transcriptional regulation
MeSH terms
Hypoxia, Humans, Neoplasms, Basic Helix-Loop-Helix Proteins, Immune Evasion

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