The impact of the gut microbiome on tumor immunotherapy: from mechanism to application strategies

Autor: Ciliang Guo, Lingkai Kong, Lingjun Xiao, Kua Liu, Huawei Cui, Qilei Xin, Xiaosong Gu, Chunping Jiang, Junhua Wu
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Cell & Bioscience, Vol 13, Iss 1, Pp 1-31 (2023)
Druh dokumentu: article
ISSN: 2045-3701
DOI: 10.1186/s13578-023-01135-y
Popis: Abstract Immunotherapy is one of the fastest developing areas in the field of oncology. Many immunological treatment strategies for refractory tumors have been approved and marketed. Nevertheless, much clinical and preclinical experimental evidence has shown that the efficacy of immunotherapy in tumor treatment varies markedly among individuals. The commensal microbiome mainly colonizes the intestinal lumen in humans, is affected by a variety of factors and exhibits individual variation. Moreover, the gut is considered the largest immune organ of the body due to its influence on the immune system. In the last few decades, with the development of next-generation sequencing (NGS) techniques and in-depth research, the view that the gut microbiota intervenes in antitumor immunotherapy through the immune system has been gradually confirmed. Here, we review important studies published in recent years focusing on the influences of microbiota on immune system and the progression of malignancy. Furthermore, we discuss the mechanism by which microbiota affect tumor immunotherapy, including immune checkpoint blockade (ICB) and adoptive T-cell therapy (ACT), and strategies for modulating the microbial composition to facilitate the antitumor immune response. Finally, opportunity and some challenges are mentioned to enable a more systematic understanding of tumor treatment in the future and promote basic research and clinical application in related fields.
Databáze: Directory of Open Access Journals
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