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MDK促进M2巨细胞的两极化,以重塑清细胞脏细胞癌中的瘤微环境

Naipeng Shi¹, Saisai Chen², Dong Wang³

¹Department of Urology, Northern Jiangsu People's Hospital, Yangzhou, China.

Scientific reports

|August 6, 2024

概括

由于免疫调节,先进的清晰细胞细胞癌 (ccRCC) 的免疫治疗是有限的. 这项研究确定了三种ccRCC免疫亚型,并发现MDK基因在免疫抑制性瘤中至关重要,预测不良预后和免疫治疗反应.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
遗传学是一个遗传学.

背景情况:

清细胞细胞癌 (ccRCC) 免疫疗法的有效性有限,特别是在晚期.
瘤微环境 (TME) 的异质性显著影响治疗反应,并提出了临床挑战.
了解ccRCC TME中的免疫调节对于开发新型治疗策略至关重要.

研究的目的:

使用多组学数据探索ccRCC中的TME异质性.
识别不同的ccRCC免疫亚型并开发预后模型.
阐明特定基因,如MDK在ccRCC免疫抑制和治疗反应中的作用.

主要方法:

对公开可用的ccRCC数据的综合分析,包括单细胞RNA测序 (scRNA-seq),大量RNA测序 (bulkRNA-seq) 和体质突变数据.
通过结合scRNA-seq和大量RNA-seq分析识别ccRCC免疫亚型.
在癌症基因组图谱 (TCGA) 和CheckMate队列中验证预后模型.

主要成果:

鉴定了三种不同的ccRCC免疫亚型,突出了TME异质性.
基于免疫抑制亚型细胞信号分子的预后模型被开发和验证.
基因MDK被确定为免疫抑制子类型的关键调节器,与ccRCC预后和免疫治疗反应不佳有关.
通过MDK-LRP1相互作用,MDK被证明可以促进M2巨细胞两极分化,其抑制抑制了这种两极分化.

结论:

这项研究揭示了ccRCC中显著的TME异质性.
建立了ccRCC可靠的预后模型,确定MDK是免疫抑制的关键参与者.
研究结果提供了MDK在免疫抑制性TME中的作用的见解,可能指导优化ccRCC免疫疗法策略.

关键词:

免疫抑制是一种免疫抑制.在M2巨细胞中.这是MDK MDK.瘤微环境中的微环境 ccRCCCC 在线观看

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