相关实验视频
Updated: Jan 20, 2026

An In Vitro Method to Identify Innate and Adaptive Immune Cells Residing in Murine Lungs
一个纳米体干细胞平台,针对瘤微环境中的先天性和适应性免疫轴
Ioulia Vogiatzi1, Amelia Lehmann2, Chuang Liu2
1Center for Stem Cell and Translational Immunotherapy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA; Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA; Department of Biomolecular Medicine, Faculty of Medicine and Health Sciences, Ghent University, Belgium.
这项研究开发了一种基于干细胞的新型纳米体平台,以向瘤相关的巨细胞和耗尽的T细胞,为治疗耐免疫治疗的固体癌症提供了一个有希望的新途径.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 生物技术是生物技术.
背景情况:
- 与瘤相关的巨细胞 (TAMs) 和耗尽的T细胞创造了一个免疫抑制性瘤微环境 (TME).
- 这种免疫抑制对在固体瘤中有效的癌症免疫疗法提出了重大挑战.
研究的目的:
- 开发和评估一种针对TME中的TAM和T细胞耗尽的新型治疗策略.
- 通过干细胞 (SC) 传递的CSF-1R和PD-1创建纳米体 (Nbs) 平台,以重新教育TAM并克服T细胞耗尽.
主要方法:
- 对CSF-1R和PD-1产生单价和双价纳米体 (Nbs).
- 开发了一种全源性,现成的干细胞 (SC) 平台,用于持续释放双相性Nbs.
- 在各种小鼠模型中测试了这个SC-Nb平台的有效性,包括一个质母细胞瘤模型.
主要成果:
- 与单价Nbs相比,针对CSF-1R和PD-1的双方Nbs显示出相应途径的优异抑制,与单价Nbs相比.
- 局域SC介导的Nbs释放通过增加T细胞活性和促进促炎性巨细胞表型来减少瘤生长.
- 该平台在免疫抑制性质母细胞瘤模型中证明了治疗效果.
结论:
- 建立了一个基于细胞的纳米体平台,针对TME内的先天性和适应性免疫轴.
- 这一平台显示了对抗常规免疫疗法的固体癌症治疗的潜力.
相关概念视频
Introduction to Innate and Adaptive Immunity
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Phagocytes
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