China Oncology ›› 2023, Vol. 33 ›› Issue (6): 629-636.doi: 10.19401/j.cnki.1007-3639.2023.06.011

• Review • Previous Articles    

Recent advances and prospect in immune microenvironment and its mechanisms of function in head and neck squamous cell carcinoma

ZHANG Shaoqiu1(), YAN Li1, LI Ruichen1, ZHAO Yang1, WANG Xiaoshen1, YANG Xuguang2, ZHU Yi1()   

  1. 1. Department of Radiation Oncology, Eye&ENT Hospital of Fudan University, Shanghai 201112, China
    2. Clinical Research Center of Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
  • Received:2023-01-02 Revised:2023-05-09 Online:2023-06-30 Published:2023-07-26

Abstract:

Head and neck cancer (HNC) remains a significant cause of morbidity and mortality. The most prevalent pathology among HNC is head and neck squamous cell carcinoma (HNSCC). The tumor microenvironment (TME) encompasses the components surrounding tumor cells, including immune cells, stromal cells, extracellular matrix (ECM), blood and lymph vessels. Strategies targeting the TME have yielded significant outcomes. Thus, further exploration of the interactions between TME components is crucial. This review discussed recent advances in cytotoxic T lymphocytes (CTL), CD4+ T lymphocytes, regulatory T cells (Treg), myeloid-derived suppressor cells (MDSC), natural killer (NK) cells and tumor-associated macrophages (TAM) in HNSCC TME. The article summarized herein primarily focused on restoring the activity of anti-tumor cells and eliminating the immunosuppressive effects of Treg and so on, to provide new insights for more effective HNSCC therapy.

Key words: Tumor microenvironment, Head and neck squamous cell carcinoma, Immune cells

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