诺卡迪亚鲁布拉细胞壁骨架通过STAT1/STAT6通路将M2巨细胞重新编程成M1巨细胞来调节与瘤相关的巨细胞两极分化
Wei Chen1, Qianyu Guo1, Yi Zhang2
1Department of Histology and Embryology, Hebei Medical University, Shijiazhuang, China.
Scandinavian journal of immunology
|March 5, 2024
概括
诺卡迪亚红斑细胞壁骨架 (Nr-CWS) 治疗有效地针对宫癌中的瘤相关巨细胞 (TAMs). Nr-CWS促进M1巨细胞的两极分化,并抑制M2巨细胞,可能逆转免疫抑制.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 微生物学 微生物学
背景情况:
- 与瘤相关的巨细胞 (TAMs) 在宫癌的进展和免疫逃避中发挥着至关重要的作用.
- 向TAM代表了宫癌免疫治疗的一个有希望的策略.
- 诺卡迪亚细胞壁骨架 (Nr-CWS) 是一种具有潜在抗瘤作用的免疫治疗剂.
研究的目的:
- 研究Nr-CWS对宫癌中TAMs的影响.
- 阐明Nr-CWS对巨细胞极化作用的潜在机制.
- 评估Nr-CWS在逆转免疫抑制瘤微环境方面的潜力.
主要方法:
- 从高风险HPV和CIN患者的宫组织样本在Nr-CWS治疗前后进行分析.
- 在体内研究中使用免疫组织化学和免疫光学来评估巨细胞群.
- 在体外实验中,通过使用Nr-CWS治疗的THP-1细胞建立了一个TAM模型.
主要成果:
- Nr-CWS治疗显著降低了宫组织中总和M2巨细胞的数量.
- 在Nr-CWS治疗后观察到M1巨细胞比例显著增加和M2比例下降.
- 在体外,Nr-CWS上调M1标记物,下调M2标记物,激活STAT1和抑制STAT6通路.
结论:
- Nr-CWS有效调节TAM两极分化,从一种免疫抑制的M2表型到一种抗瘤的M1表型.
- STAT1/STAT6信号通路与Nr-CWS介导的M2到M1巨细胞极化有关.
- Nr-CWS具有改善局部免疫反应和克服宫癌免疫抑制的潜力.
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