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Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) ›› 2024, Vol. 18 ›› Issue (01): 90-95. doi: 10.3877/cma.j.issn.1674-3946.2024.01.024

• Review • Previous Articles     Next Articles

Research progress on the involvement of tumor microenvironment in mediating trastuzumab resistance in HER2-positive breast cancer

Changqing Cao, Xinyan Guo, Yuan Gao, Cun Zhang, Haili Tang, Dong Fan, Xiaojun Yang, Song Zhang, Huadong Zhao()   

  1. Department of general surgery, The Second Affiliated Hospital of Air Force Medical University, Xi’an Shaanxi Province 710032, China;Department of pharmacy, The Air Force Medical University, Xi’an Shaanxi Province 710032, China
    Department of pharmacy, The Air Force Medical University, Xi’an Shaanxi Province 710032, China
    Department of general surgery, The Second Affiliated Hospital of Air Force Medical University, Xi’an Shaanxi Province 710032, China
    Pharmacy Department of the Second Affiliated Hospital of Air Force Military Medical University, Xi’an Shaanxi Province 710032, China
  • Received:2023-02-20 Online:2024-02-26 Published:2023-12-26
  • Contact: Huadong Zhao
  • Supported by:
    National Natural Science Foundation of China(81902678); Shaanxi Provincial Key RD Project General Project(2021SF-223)

Abstract:

Trastuzumab is a monoclonal antibody targeting human epidermal growth factor receptor-2 (HER2), which can regulate the expression of HER2 and its downstream signaling function, regulate cell cycle, inhibit tyrosine kinase activity, slow down tumor angiogenesis and regulate tumor immune microenvironment. In HER2-positive breast cancer, trastuzumab is used as a first-line treatment throughout preoperative neoadjuvant therapy and postoperative targeted therapy. However, in recent years, as breast cancer has become the first most frequent tumor in women, the problem of trastuzumab resistance has become more and more common. Studies have shown that tumor microenvironment plays an important role in trastuzumab resistance, which can affect the development and prognosis of HER2-positive breast cancer. This review summarizes the progress of tumor microenvironment in the mechanism of trastuzumab resistance in recent years, emphasizes the role of NK cells, and Outlines the methods to overcome resistance and improve patient prognosis.

Key words: Human Epidermal Growth Factor Receptor-2, Trastuzumab, Drug Resistance, Tumor Microenvironment, ADCC

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