抗原呈现细胞在癌症免疫和免疫检查点阻塞介导中的免疫免疫免疫
Cassia Wang1,2, Lee Chen1, Doris Fu1,2
1Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA.
Clinical & experimental metastasis
|January 23, 2024
概括
抗原呈现细胞,包括树突细胞,单细胞和巨细胞,在癌症免疫力中至关重要. 它们的子集和瘤微环境相互作用显著影响免疫治疗反应,特别是免疫检查点阻塞 (ICB).
科学领域:
- 免疫学 免疫学 免疫学
- 癌症生物学 癌症生物学
- 细胞生物学 细胞生物学
背景情况:
- 抗原呈现细胞 (APC) 是关键的免疫媒介,在癌症免疫学和不断发展的免疫治疗策略中越来越重要.
- 树突细胞 (DC),单细胞和巨细胞的特定子集在癌症免疫中发挥着不同的作用.
- 瘤微环境 (TME) 极大地影响了这些髓状细胞的表型和功能.
研究的目的:
- 审查DCs,单细胞和巨细胞在癌症免疫中的作用.
- 探索骨髓细胞特征如何影响对免疫检查点阻塞 (ICB) 疗法的反应.
- 确定关于髓状细胞对ICB治疗的贡献的知识差距,并建议未来的治疗途径.
主要方法:
- 关于癌症免疫中的髓状细胞最近研究的文献综述.
- 对树突细胞子集 (cDC1,cDC2,moDC,pDC,mregDC) 的分析.
- 检查单细胞和巨细胞子集 (M1/M2表型,TAM) 及其TME驱动的可塑性.
主要成果:
- 髓状细胞子集可以在TME内采用免疫激活或免疫抑制的表型.
- DC和巨细胞的丰富性,表面标记物和信号通路与ICB治疗反应有关.
- 具体的知识差距存在于不同的骨髓体子集对ICB疗效的确切影响.
结论:
- 骨髓状细胞是癌症免疫力和对ICB的反应的关键调节者.
- 了解骨髓细胞异质性和TME相互作用对于优化免疫治疗至关重要.
- 向髓质细胞子集或其功能可能会增强ICB的疗效,并指导新的组合疗法.
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