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The Paradox of Th17 Cell Functions in Tumor Immunity Publisher Pubmed



Asadzadeh Z1, 2 ; Mohammadi H1, 2 ; Safarzadeh E1, 2 ; Hemmatzadeh M1, 2 ; Mahdianshakib A3 ; Jadidiniaragh F1, 2 ; Azizi G4, 5 ; Baradaran B1, 2
Authors
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Authors Affiliations
  1. 1. Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
  2. 2. Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
  3. 3. Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
  5. 5. Department of Laboratory Medicine, Imam Hassan Mojtaba Hospital, Alborz University of Medical Sciences, Karaj, Iran

Source: Cellular Immunology Published:2017


Abstract

Immune system acts as a host defensive mechanism protecting against attacking pathogens and transformed cells, including cancer cells. Th17 cells are a specific subset of T helper lymphocytes determined by high secretion of IL-17 and other inflammatory cytokines. Th17 cells increase tumor progression by activating angiogenesis and immunosuppressive activities. They can also mediate antitumor immune responses through recruiting immune cells into tumors, stimulating effector CD8+ T cells, or surprisingly by altering toward Th1 phenotype and producing IFN-γ, so Th17 cells are supposed as a double-edged sword in cancer. A comprehensive approach to indicating the activity of Th17 cells in tumor progression could help in the planning of new therapeutic approaches specially targeting Th17 cells in cancer. © 2017 Elsevier Inc.
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