细胞内细菌LPS驱动热和促进在口腔状细胞癌的侵略性表型
Shrabon Hasnat1, Marjut Metsäniitty1, Katariina Nurmi2
1Department of Oral and Maxillofacial Diseases, Clinicum, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.
Medical oncology (Northwood, London, England)
|May 8, 2025
概括
细胞内细菌脂聚糖 (LPS) 触发热并促进口腔癌的进展. 准LPS或炎症体通路可能为口腔状细胞癌 (OSCC) 提供新的治疗方法.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
背景情况:
- 细胞内细菌在瘤中越来越多地被发现,但它们的作用尚不清楚.
- 口腔状细胞癌 (OSCC) 在有限的向疗法下具有侵略性.
- 在OSCC中细胞内细菌脂多糖 (LPS) 的功能需要研究.
研究的目的:
- 调查细胞内LPS在OSCC中的功能意义.
- 为了确定LPS对癌细胞细胞毒性,炎症和进展的影响.
- 探索针对OSCC中LPS的潜在治疗策略.
主要方法:
- 口腔角质细胞和OSCC细胞系暴露于细菌LPS.
- 使用乳酸脱酶 (LDH) 释放来评估细胞毒性.
- 通过ELISA测量插白素 (IL) -1β和IL-18的产生.
- 评估细胞的增殖,迁移,入侵和管体生成.
主要成果:
- 细胞内LPS在癌细胞中诱导了选择性细胞毒性和热,而不是正常细胞.
- 暴露于LPS会增加癌细胞中的IL-1β和IL-18分泌.
- 转移的OSCC细胞显示出增强的入侵和类似血管的结构形成.
- 转化为HPV的细胞表现出增多的增殖,但迁移没有变化.
结论:
- 细胞内LPS通过炎症酶激活和热死,积极促进OSCC的进展.
- 这一过程增强了亲炎症信号和侵略性表型,特别是在转移性环境中.
- 准细胞内LPS或炎症体通路是OSCC的潜在治疗策略.
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