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Monocytes in the Tumor Microenvironment.

文献信息

DOI10.1146/annurev-pathmechdis-012418-013058
PMID33497262
期刊Annual review of pathology
影响因子34.5
JCR 分区Q1
发表年份2021
被引次数164
关键词癌症, 免疫疗法, 先天免疫, 单核细胞, 肿瘤微环境
文献类型Journal Article, Research Support, Non-U.S. Gov't, Review
ISSN1553-4006
页码93-122
期号16()
作者Stefano Ugel, Stefania Canè, Francesco De Sanctis, Vincenzo Bronte

一句话小结

本综述探讨了单核细胞在癌症中的角色,强调其在免疫抑制肿瘤微环境中的双重作用,包括诱导免疫耐受和促进抗肿瘤效应。通过总结单核细胞及其衍生细胞的发生学、异质性和功能,本研究为理解癌症免疫微环境及优化免疫疗法提供了重要见解。

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癌症 · 免疫疗法 · 先天免疫 · 单核细胞 · 肿瘤微环境

摘要

免疫疗法在过去十年中彻底改变了癌症治疗。然而,延长生存期的效果仅限于相对少数患者。癌症会形成一个多层次的免疫抑制网络,其特征在肿瘤发展过程中逐渐受到全身性和局部信号的影响。单核细胞在先天免疫和适应性免疫反应之间架起桥梁,并可以通过多种机制影响肿瘤微环境,从而诱导免疫耐受、血管生成和肿瘤细胞的扩散。然而,单核细胞也可以产生抗肿瘤效应细胞并激活抗原呈递细胞。这种阴阳活动依赖于单核细胞对环境刺激的可塑性。在本综述中,我们总结了单核细胞及其衍生细胞在癌症中的发生学、异质性和功能的当前知识,明确了在塑造免疫抑制肿瘤微环境中重要的主要途径。

英文摘要

Immunotherapy has revolutionized cancer treatment over the past decade. Nonetheless, prolonged survival is limited to relatively few patients. Cancers enforce a multifaceted immune-suppressive network whose nature is progressively shaped by systemic and local cues during tumor development. Monocytes bridge innate and adaptive immune responses and can affect the tumor microenvironment through various mechanisms that induce immune tolerance, angiogenesis, and increased dissemination of tumor cells. Yet monocytes can also give rise to antitumor effectors and activate antigen-presenting cells. This yin-yang activity relies on the plasticity of monocytes in response to environmental stimuli. In this review, we summarize current knowledge of the ontogeny, heterogeneity, and functions of monocytes and monocyte-derived cells in cancer, pinpointing the main pathways that are important for modeling the immunosuppressive tumor microenvironment.

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主要研究问题

  1. 单核细胞在肿瘤微环境中的作用机制有哪些具体例子?
  2. 如何调节单核细胞的功能以增强其抗肿瘤效应?
  3. 单核细胞的异质性对肿瘤免疫逃逸的影响是什么?
  4. 在肿瘤微环境中,单核细胞与其他免疫细胞的相互作用如何影响治疗效果?
  5. 有哪些新的研究方向可以进一步探索单核细胞在癌症免疫治疗中的潜力?

核心洞察

1. 研究背景和目的

在过去十年中,免疫疗法在癌症治疗领域取得了显著进展,然而,只有少数患者能够实现长期生存。肿瘤通过建立复杂的免疫抑制网络来逃避宿主的免疫监视,这一网络的性质会随着肿瘤的发展而逐渐受到系统性和局部信号的影响。单核细胞在先天性和适应性免疫反应之间起到桥梁作用,并通过多种机制影响肿瘤微环境。本文旨在总结单核细胞及其衍生细胞在癌症中的起源、异质性及功能,明确在塑造免疫抑制肿瘤微环境中重要的主要通路。

2. 主要方法和发现

本文通过综述现有文献,分析了单核细胞的起源及其在肿瘤微环境中的不同角色。研究发现,单核细胞可以通过诱导免疫耐受、促进血管生成以及增加肿瘤细胞扩散等机制来形成肿瘤微环境中的免疫抑制状态。然而,单核细胞也能够转变为抗肿瘤效应细胞,并激活抗原呈递细胞。这种双重功能("阴阳"效应)依赖于单核细胞对环境刺激的适应性变化。

3. 核心结论

单核细胞在肿瘤微环境中发挥着复杂的作用,既可以促进肿瘤的生长和扩散,也可以激发抗肿瘤免疫反应。其功能的多样性和塑性使其成为肿瘤免疫治疗的重要靶点。理解单核细胞的来源、异质性及其在免疫抑制中的具体角色,对于开发新的癌症免疫治疗策略至关重要。

4. 研究意义和影响

这项研究的意义在于明确了单核细胞在肿瘤免疫微环境中的双重角色,这为癌症治疗提供了新的视角和潜在的干预靶点。通过深入了解单核细胞的作用机制,未来的免疫治疗可以更有效地打破肿瘤的免疫抑制屏障,提高疗效,并且有可能扩大受益患者的范围。此研究对设计更具针对性的免疫疗法和改善患者预后具有重要的指导意义。

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  1. Targeting the tumor microenvironment in B-cell lymphoma: challenges and opportunities. - Yingyue Liu;Xiangxiang Zhou;Xin Wang - Journal of hematology & oncology (2021)
  2. Fatal cytokine release syndrome by an aberrant FLIP/STAT3 axis. - Chiara Musiu;Simone Caligola;Alessandra Fiore;Alessia Lamolinara;Cristina Frusteri;Francesco Domenico Del Pizzo;Francesco De Sanctis;Stefania Canè;Annalisa Adamo;Francesca Hofer;Roza Maria Barouni;Andrea Grilli;Serena Zilio;Paolo Serafini;Evelina Tacconelli;Katia Donadello;Leonardo Gottin;Enrico Polati;Domenico Girelli;Ildo Polidoro;Piera Amelia Iezzi;Domenico Angelucci;Andrea Capece;Ying Chen;Zheng-Li Shi;Peter J Murray;Marco Chilosi;Ido Amit;Silvio Bicciato;Manuela Iezzi;Vincenzo Bronte;Stefano Ugel - Cell death and differentiation (2022)
  3. Development and Validation of an Mesenchymal-Related Long Non-Coding RNA Prognostic Model in Glioma. - Kebing Huang;Xiaoyu Yue;Yinfei Zheng;Zhengwei Zhang;Meng Cheng;Lianxin Li;Zhigang Chen;Zhihao Yang;Erbao Bian;Bing Zhao - Frontiers in oncology (2021)
  4. The Versatile Roles of Cancer-Associated Fibroblasts in Colorectal Cancer and Therapeutic Implications. - Longfei Deng;Nianfen Jiang;Jun Zeng;Yi Wang;Hongjuan Cui - Frontiers in cell and developmental biology (2021)
  5. A Complex Metabolic Network Confers Immunosuppressive Functions to Myeloid-Derived Suppressor Cells (MDSCs) within the Tumour Microenvironment. - Francesca Hofer;Gianna Di Sario;Chiara Musiu;Silvia Sartoris;Francesco De Sanctis;Stefano Ugel - Cells (2021)
  6. Myeloid cells in COVID-19 microenvironment. - Guohui Qin;Shasha Liu;Li Yang;Weina Yu;Yi Zhang - Signal transduction and targeted therapy (2021)
  7. Interrupting the nitrosative stress fuels tumor-specific cytotoxic T lymphocytes in pancreatic cancer. - Francesco De Sanctis;Alessia Lamolinara;Federico Boschi;Chiara Musiu;Simone Caligola;Rosalinda Trovato;Alessandra Fiore;Cristina Frusteri;Cristina Anselmi;Ornella Poffe;Tiziana Cestari;Stefania Canè;Silvia Sartoris;Rosalba Giugno;Giulia Del Rosario;Barbara Zappacosta;Francesco Del Pizzo;Matteo Fassan;Erica Dugnani;Lorenzo Piemonti;Emanuela Bottani;Ilaria Decimo;Salvatore Paiella;Roberto Salvia;Rita Teresa Lawlor;Vincenzo Corbo;Youngkyu Park;David A Tuveson;Claudio Bassi;Aldo Scarpa;Manuela Iezzi;Stefano Ugel;Vincenzo Bronte - Journal for immunotherapy of cancer (2022)
  8. Identification and Comprehensive Prognostic Analysis of a Novel Chemokine-Related lncRNA Signature and Immune Landscape in Gastric Cancer. - Xiaolong Liang;Gangfeng Yu;Lang Zha;Xiong Guo;Anqi Cheng;Chuan Qin;Han Zhang;Ziwei Wang - Frontiers in cell and developmental biology (2021)
  9. A Novel Risk Model Identified Based on Pyroptosis-Related lncRNA Predicts Overall Survival and Associates With the Immune Landscape of GC Patients. - Tingting Xu;Hanxin Gu;Changsong Zhang;Wushuang Zhang;Xiaolong Liang;Xiaoxia Cheng - Frontiers in genetics (2022)
  10. Defective Patient NK Function Is Reversed by AJ2 Probiotic Bacteria or Addition of Allogeneic Healthy Monocytes. - Meng-Wei Ko;Kawaljit Kaur;Tahmineh Safaei;Wuyang Chen;Christine Sutanto;Paul Wong;Anahid Jewett - Cells (2022)

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