铁和STING-type-I干扰素通路之间的相互调节通过树突细胞成熟抑制了头部和部状细胞癌的生长
Mingyu Li1,2,3, Shufang Jin2,3,4, Hailong Ma5,6,7
1Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, No. 639, Zhizaoju Rd, Shanghai, 200011, China.
头癌中的铁灭通过激活STING-IFN-I通路来抑制瘤,增强树突细胞成熟. 将铁灭菌诱导剂与STING激动剂结合起来,为HNSCC提供了一个有前途的治疗策略.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 癌症治疗 癌症治疗
背景情况:
- 由于治疗耐药性和免疫抑制性瘤微环境,头支状细胞癌 (HNSCC) 具有挑战性.
- 铁化是一种潜在的治疗策略,但其在HNSCC中的免疫效应尚不清楚.
- 已知STING型I干扰素 (IFN-I) 途径在抗瘤免疫中的作用,但其与HNSCC中铁亡的联系需要进一步调查.
研究的目的:
- 调查铁和HNSCC中的STING-IFN-I通路之间的关系.
- 在HNSCC.中探索铁灭菌对瘤免疫微环境的影响.
- 评估结合ferroptosis诱导与HNSCC中的STING通路激活的治疗潜力.
主要方法:
- 利用HNSCC模型研究ferroptosis诱导及其对瘤生长的影响.
- 评估了STING-IFN-I通路的激活,以应对铁亡.
- 研究了IFN-I对调节铁亡的xCT-氨酸氧化酶4 (GPX4) 系统的影响.
- 在体内给予HNSCC瘤的联合铁致死诱导剂和STING激动剂.
主要成果:
- 铁灭抑制了HNSCC瘤的生长,并激活了STING-IFN-I通路.
- 铁性增强了树突细胞的招募和成熟.
- 发现IFN-I通过降低xCT-GPX4抗氧化剂系统的调节来增强ferroptosis.
- 与铁灭菌诱导剂和STING激动剂的联合治疗导致显著的瘤抑制,增加了铁灭菌,并改善了树突细胞透.
结论:
- 在HNSCC中,铁和STING-IFN-I通路之间存在一个积极的反循环.
- 这种相互作用有助于免疫介导的瘤抑制.
- 针对这种铁灭-STING-IFN-I轴为HNSCC提供了一个新的治疗途径.
更多相关视频
06:12Study of Dendritic Cell Development by Short Hairpin RNA-Mediated Gene Knockdown in a Hematopoietic Stem and Progenitor Cell Line In vitro
Published on: March 7, 2022
08:19Transfer of Manipulated Tumor-associated Neutrophils into Tumor-Bearing Mice to Study their Angiogenic Potential In Vivo
Published on: July 20, 2019
相关概念视频
Receptor Downregulation in MVBs
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
Regulation of Hematopoietic Stem Cells
Role Of Notch Signalling In Intestinal Stem Cell Renewal
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
Interactions Between Signaling Pathways
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
Experimental RNAi
