内皮质ILC1-LikeNK细胞通过CXCL10轴增加淋巴细胞透到瘤微环境
Sainiteesh Maddineni1, Krishna Sharma1, Imran A Mohammad1
1Department of Otolaryngology-Head & Neck Surgery, Stanford University School of Medicine, Stanford, California, USA.
概括
皮内1型先天性淋巴细胞 (ieILC1s) 通过诱导CXCL10的产生,增强T细胞透到头瘤中. 这些发现表明,iILC1s可能会影响癌症免疫疗法的疗效.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 细胞生物学 细胞生物学
背景情况:
- 内皮质1型先天性淋巴细胞 (ieILC1s) 是位于头支状细胞癌瘤微环境中的淋巴细胞.
- ieILC1s在调节抗瘤免疫力,特别是T细胞贩运中的确切作用尚未完全阐明.
研究的目的:
- 研究iILC1s对T细胞透到头部和部瘤的影响.
- 探索iILC1s调节瘤微环境的机制.
主要方法:
- 在体外从自然杀手 (NK) 细胞生成细胞毒性,即ILC1-样细胞.
- 使用体内瘤模型来评估T细胞贩运.
- 共同培养实验分析细胞因子生产 (CXCL10,IFNy) 通过流动细胞计和超分析.
主要成果:
- 内注射iILC1-样NK细胞显著增加T细胞透到瘤中.
- 与瘤细胞共培养iILC1-样NK细胞,导致超自然体中CXCL10水平升高.
- ieILC1-类NK细胞产生IFNy,诱导瘤细胞产生CXCL10,一种已知的吸引T细胞的化学激素.
结论:
- ieILC1类NK细胞通过诱导瘤细胞产生化学因子CXCL10.0来促进T细胞透到瘤微环境中.
- 这些发现突出了一个新的机制,即iILC1s有助于头瘤的炎症情形.
- 需要进一步研究iILC1s在免疫检查点阻塞反应中的作用.
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