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解读PSMB9在黑色素瘤中的瘤抑制作用,通过多细胞和单细胞转录组分析

Xing Hu¹, Zhengang Hu², Hao Zhang³

¹Department of Dermatology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, Hunan, 410000, China.

|November 9, 2023

概括

这项研究确定了一种对干扰素- (IFN-g) 敏感的新型黑色素瘤亚型,显示出更好的结果和免疫细胞透. PSMB9基因是预测免疫治疗反应的关键标志物,可能抑制黑色素瘤生长.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
遗传学遗传学是一个

背景情况:

皮肤皮肤黑色素瘤 (SKCM) 是一种主要的皮肤癌挑战.
免疫疗法已经推进了黑色素瘤治疗,但瘤异质性仍然是一个问题.
表观遗传修饰,如DNA甲基化,影响黑色素瘤的发展和预后.

研究的目的:

为了确定一个干扰素- (IFN-g) 敏感的黑色素瘤亚型,具有有利的结果.
开发基于机器学习的IFN-g灵敏性签名.
研究PSMB9作为黑色素瘤免疫治疗的预后和预测标记物的作用.

主要方法:

在患者组织上进行批量和单细胞RNA测序 (RNA-seq).
机器学习用于签名开发.
基因表达和甲基化分析.
在SKCM细胞系中过度表达PSMB9.

主要成果:

鉴定出一种IFN-g敏感亚型,其特征是良好的结果,CD8+ T细胞透和高IFN-g得分.
建立了一个10探针的IFN-g敏感性特征,PSMB9与免疫治疗反应有很强的相关性.
在SKCM细胞系中PSMB9的过度表达抑制了细胞的增殖和迁移,这表明PSMB9有抑制瘤的作用.
单细胞RNA-seq揭示了PSMB9在激活CD8+T细胞和影响恶性细胞受体方面的作用.

结论:

PSMB9是黑色素瘤的关键预后标志物,具有免疫治疗反应的预测潜力.
PSMB9对恶性和免疫细胞都有影响,突出显示了其多方面的作用.
PSMB9代表了未来黑色素瘤免疫治疗策略的潜在治疗标.

关键词:

国际货币基金组织 (IFN) -g 免疫治疗是一种免疫疗法.黑色素瘤是一种黑色素瘤.多个omics的多个omics.PSMB9 PSMB9 在线播放

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