Appearance
B Cell Function in the Tumor Microenvironment.
文献信息
| DOI | 10.1146/annurev-immunol-101220-015603 |
|---|---|
| PMID | 35044794 |
| 期刊 | Annual review of immunology |
| 影响因子 | 33.3 |
| JCR 分区 | Q1 |
| 发表年份 | 2022 |
| 被引次数 | 165 |
| 关键词 | B细胞, B调节细胞, 抗体, 免疫基因组学, 三级淋巴结构 |
| 文献类型 | Journal Article, Review, Research Support, N.I.H., Extramural |
| ISSN | 0732-0582 |
| 页码 | 169-193 |
| 期号 | 40() |
| 作者 | Stephanie M Downs-Canner, Jeremy Meier, Benjamin G Vincent, Jonathan S Serody |
一句话小结
本研究探讨了肿瘤微环境中B淋巴细胞的异质性及其在抗肿瘤免疫中的重要作用,发现不同B细胞亚群对癌症免疫反应的影响显著,尽管其功能仍不明确。这一发现为理解肿瘤免疫机制提供了新的视角,可能为未来癌症治疗策略的开发提供理论基础。
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B细胞 · B调节细胞 · 抗体 · 免疫基因组学 · 三级淋巴结构
摘要
肿瘤微环境(TME)是一种异质且复杂的组织,主要由肿瘤细胞、基质细胞和内皮细胞构成,其特征是肿瘤细胞与先天免疫和适应性免疫细胞之间的相互作用。在过去十年中,越来越清楚的是,TME中的免疫细胞在控制或促进肿瘤生长中发挥着关键作用。T淋巴细胞在这一过程中已被很好地表征。另一方面,B淋巴细胞的功能尚不明确,尽管我们小组和其他研究小组的最新数据强烈表明,B细胞在抗肿瘤免疫中扮演着重要角色。然而,在TME中发现了多种B细胞亚群,从初始B细胞到终末分化的浆细胞和记忆B细胞。在这里,我们对在动物模型和患者中B细胞在TME中的作用进行了表征,重点分析B细胞的异质性如何影响对癌症的免疫反应。
英文摘要
The tumor microenvironment (TME) is a heterogeneous, complex organization composed of tumor, stroma, and endothelial cells that is characterized by cross talk between tumor and innate and adaptive immune cells. Over the last decade, it has become increasingly clear that the immune cells in the TME play a critical role in controlling or promoting tumor growth. The function of T lymphocytes in this process has been well characterized. On the other hand, the function of B lymphocytes is less clear, although recent data from our group and others have strongly indicated a critical role for B cells in antitumor immunity. There are, however, a multitude of populations of B cells found within the TME, ranging from naive B cells all the way to terminally differentiated plasma cells and memory B cells. Here, we characterize the role of B cells in the TME in both animal models and patients, with an emphasis on dissecting how B cell heterogeneity contributes to the immune response to cancer.
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主要研究问题
- 在肿瘤微环境中,B细胞的不同亚群如何影响抗肿瘤免疫的机制?
- B细胞在肿瘤微环境中的作用与T细胞相比有哪些关键的不同之处?
- 研究表明B细胞在肿瘤微环境中可能具有哪些潜在的免疫调节功能?
- B细胞的异质性如何影响肿瘤微环境中免疫反应的结果?
- 在临床研究中,如何评估B细胞在肿瘤微环境中的功能和重要性?
核心洞察
1. 研究背景和目的
肿瘤微环境(TME)是一个异质性和复杂性的组织,由肿瘤细胞、基质细胞和内皮细胞组成,并且肿瘤细胞与先天免疫和适应性免疫细胞之间存在密切的交互作用。过去十年,越来越多的研究表明,肿瘤微环境中的免疫细胞在控制或促进肿瘤生长方面发挥了关键作用。尽管T淋巴细胞的功能已得到充分阐明,但B淋巴细胞在肿瘤免疫中的作用仍然不够明确。本研究旨在探讨B细胞在肿瘤微环境中的作用,尤其是不同B细胞亚群体如何影响癌症免疫反应。
2. 主要方法和发现
本研究通过动物模型和临床患者样本对肿瘤微环境中的B细胞进行表征。研究团队分析了多种B细胞亚群,包括初始B细胞、终末分化的浆细胞和记忆B细胞,探讨其在抗肿瘤免疫中的作用。研究结果显示,B细胞在肿瘤微环境中不仅能够参与免疫应答,还可能通过产生抗体、分泌细胞因子和调节T细胞活性等机制,发挥抗肿瘤作用。
3. 核心结论
B细胞在肿瘤微环境中具有重要的抗肿瘤免疫功能,其异质性对免疫反应的影响显著。不同亚群的B细胞在肿瘤发展中扮演着不同的角色,这些细胞的状态和功能可能直接影响肿瘤的进展和患者的预后。研究表明,理解B细胞的多样性及其在TME中的功能,对开发新的免疫治疗策略至关重要。
4. 研究意义和影响
本研究为B细胞在肿瘤微环境中的角色提供了新的视角,推动了对肿瘤免疫学的理解。揭示B细胞的异质性及其在肿瘤免疫中的作用,可能为未来的癌症治疗提供新的靶点和策略,尤其是在免疫疗法的应用上。通过深入研究B细胞的功能,能够帮助科学家们设计出更有效的治疗方案,从而改善癌症患者的生存率和生活质量。
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