Dysfunction of dendritic cells in tumor microenvironment and immunotherapy

IF 20.1 1区 医学 Q1 ONCOLOGY Cancer Communications Pub Date : 2024-07-25 DOI:10.1002/cac2.12596
Jie Chen, Yuhang Duan, Junye Che, Jianwei Zhu
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Abstract

Dendritic cells (DCs) comprise diverse cell populations that play critical roles in antigen presentation and triggering immune responses in the body. However, several factors impair the immune function of DCs and may promote immune evasion in cancer. Understanding the mechanism of DC dysfunction and the diverse functions of heterogeneous DCs in the tumor microenvironment (TME) is critical for designing effective strategies for cancer immunotherapy. Clinical applications targeting DCs summarized in this report aim to improve immune infiltration and enhance the biological function of DCs to modulate the TME to prevent cancer cells from evading the immune system. Herein, factors in the TME that induce DC dysfunction, such as cytokines, hypoxic environment, tumor exosomes and metabolites, and co-inhibitory molecules, have been described. Furthermore, several key signaling pathways involved in DC dysfunction and signal-relevant drugs evaluated in clinical trials were identified. Finally, this review provides an overview of current clinical immunotherapies targeting DCs, especially therapies with proven clinical outcomes, and explores future developments in DC immunotherapies.

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树突状细胞在肿瘤微环境和免疫疗法中的功能障碍。
树突状细胞(DC)由多种细胞群组成,在抗原呈递和引发体内免疫反应方面发挥着关键作用。然而,有几种因素会损害树突状细胞的免疫功能,并可能促进癌症的免疫逃避。了解肿瘤微环境(TME)中直流细胞功能障碍的机制和异质性直流细胞的多种功能对于设计有效的癌症免疫疗法至关重要。本报告总结的以直流电为靶点的临床应用旨在改善免疫浸润,增强直流电的生物功能,从而调节肿瘤微环境,防止癌细胞逃避免疫系统。本文描述了TME中诱导DC功能障碍的因素,如细胞因子、缺氧环境、肿瘤外泌体和代谢产物以及协同抑制分子。此外,还确定了参与直流电功能障碍的几种关键信号通路以及在临床试验中评估的信号相关药物。最后,本综述概述了目前针对直流电的临床免疫疗法,特别是已证实具有临床疗效的疗法,并探讨了直流电免疫疗法的未来发展。
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来源期刊
Cancer Communications
Cancer Communications Biochemistry, Genetics and Molecular Biology-Cancer Research
CiteScore
25.50
自引率
4.30%
发文量
153
审稿时长
4 weeks
期刊介绍: Cancer Communications is an open access, peer-reviewed online journal that encompasses basic, clinical, and translational cancer research. The journal welcomes submissions concerning clinical trials, epidemiology, molecular and cellular biology, and genetics.
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