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在抗瘤免疫力中的Siglec-1巨细胞⁺

François-Xavier Mauvais¹, Peter van Endert²

¹Université Paris Cité, INSERM, CNRS, Institut Necker Enfants Malades, Paris, France; Service de Physiologie - Explorations Fonctionnelles Pédiatriques, AP-HP, Hôpital Universitaire Robert-Debré, Paris, France.

Immunology letters

|November 8, 2025

概括

淋巴结和脏中的Siglec-1阳性巨细胞可以启动抗瘤免疫力. 准这些Siglec-1+巨细胞可能为癌症治疗提供新的治疗策略.

科学领域:

免疫学免疫学免疫学
癌症研究癌症研究
细胞生物学细胞生物学

背景情况:

表达Siglec-1 (酸结合性莱克1) 的巨细胞位于淋巴细胞器官和组织中的战略位置.
这些Siglec-1+巨细胞参与过抗原材料,并经常显示炎症特征.
它们在适应性免疫反应中的作用和潜在的抗瘤免疫力具有重大科学意义.

研究的目的:

调查Siglec-1+巨细胞在激发抗瘤免疫反应中的作用.
探索刺激Siglec-1+巨细胞在癌症免疫治疗中的治疗潜力.

主要方法:

利用实体瘤的临床前小鼠模型.
研究了Siglec-1+巨细胞在二级淋巴体器官 (淋巴结和脏) 的功能.
评估了抗瘤反应的树突细胞独立启动.

主要成果:

淋巴结中的Siglec-1+巨细胞已经显示出对主要固体瘤的保护作用.
骨边缘区域Siglec-1+巨细胞可以独立于1型常规树突细胞,主导保护性瘤免疫力.
瘤组织中的Siglec-1+巨细胞与患者的治疗结果有不同的关联.

结论:

所有二级淋巴体器官中的Siglec-1+巨细胞具有主导强有力的抗瘤反应的能力.
这种巨细胞群体代表了旨在刺激抗瘤免疫力的治疗策略的潜在目标.

关键词:

反瘤免疫力抗瘤免疫力交叉呈现交叉呈现树突细胞的树突细胞.淋巴结的淋巴结的淋巴结的巨细胞是一个巨细胞.脏脏是指脏的部分.

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