Microenvironmental hypoxia orchestrating the cell stroma cross talk, tumor progression and antitumor response.

  • Noman M
  • Messai Y
  • Carré T
 et al. 
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Hypoxia, a common feature of solid tumors and one of the hallmarks of tumor microenvironment, favors tumor survival and progression. Although hypoxia has been reported to play a major role in the acquisition of tumor resistance to cell death, the molecular mechanisms that control the survival of hypoxic cancer cells and the role of hypoxic stress in shaping the cross talk between immune cells and stroma components are not fully elucidated. Recently, several lines of investigation are pointing to yet another ominous outcome of hypoxia in the tumor microenvironment involving suppression of antitumor immune effector cells and enhancement of tumor escape from immune surveillance. Although the identification of tumor-associated antigens provided a new arsenal of approaches to enhance antigen-specific response, the immunotherapy approaches that are currently used in the clinic have only limited success. In fact, tumor stroma components including hypoxia are engaged in an active molecular cross talk that has serious implications for immunological recognition of tumor in shaping the microenvironment. In this review, we will focus on the impact of hypoxia on the regulation of the antitumor response and the subsequent tumor progression. We will also in particular discuss data that indicate that manipulation of hypoxic stress may represent an innovative strategy for a better immunotherapy of cancer.

Author-supplied keywords

  • Anoxia
  • Anoxia: immunology
  • Antigens, Neoplasm
  • Antigens, Neoplasm: immunology
  • Antigens, Neoplasm: metabolism
  • Basic Helix-Loop-Helix Transcription Factors
  • Basic Helix-Loop-Helix Transcription Factors: meta
  • Cell Communication
  • Cell Communication: immunology
  • Cell Death
  • Cell Death: immunology
  • Cell Hypoxia
  • Cell Hypoxia: immunology
  • Disease Progression
  • Humans
  • Hypoxia-Inducible Factor 1, alpha Subunit
  • Hypoxia-Inducible Factor 1, alpha Subunit: metabol
  • Immunologic Surveillance
  • Neoplasms
  • Neoplasms: immunology
  • Neoplasms: metabolism
  • Neoplastic Stem Cells
  • Signal Transduction
  • Stromal Cells
  • Stromal Cells: immunology
  • Stromal Cells: metabolism
  • Tumor Escape
  • Tumor Escape: immunology
  • Tumor Microenvironment
  • Tumor Microenvironment: immunology

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  • Muhammad Zaeem Noman

  • Yosra Messai

  • Thibault Carré

  • Intissar Akalay

  • Marine Méron

  • Bassam Janji

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