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单细胞分析显示,在FOLFOX-bevacizumab治疗后,晚期结肠癌的细胞重编程

Meiling Yang^1,2, Ciqiu Yang³, Dong Ma⁴

¹Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.

Frontiers in oncology

|August 14, 2023

概括

FOLFOX-bevacizumab (Bev) 治疗有效地向晚期结肠直肠癌 (CRC),通过增强CD8+T细胞活性和减少亲血管细胞. 这项研究揭示了CRC治疗期间瘤微环境中的关键细胞变化.

科学领域:

在瘤学瘤学.
免疫学免疫学免疫学
癌症生物学癌症生物学

背景情况:

晚期结肠直肠癌 (CRC) 治疗通常涉及组合疗法.
瘤微环境对FOLFOX-bevacizumab (Bev) 的反应尚未完全理解.

研究的目的:

为了研究使用FOLFOX-Bev治疗的晚期CRC患者瘤微环境中的细胞和分子变化.
确定驱动治疗反应和潜在治疗点的机制.

主要方法:

在FOLFOX-Bev治疗前后对CRC患者样本的单细胞转录组分析.
分析瘤微环境中的细胞组成和功能状态.

主要成果:

具有高增殖性,转移性和亲血管性特征的癌细胞对FOLFOX-Bev.表现出更好的反应.
FOLFOX-Bev增强了CD8+T细胞细胞毒性,增强了抗瘤免疫力.
治疗损害了与瘤相关的巨细胞,血细胞和纤维细胞,减少了VEGFB介导的血管生成,改变了细胞间通信.

结论:

福福克斯-贝夫治疗诱导了CRC瘤微环境的显著变化.
了解这些细胞动态为治疗有效性提供了洞察力,并建议改善CRC治疗的目标.

关键词:

福尔福克斯 (FOLFOX) 是一个在VEGF中,VEGF是VEGF.晚期结直肠癌是什么意思这是bevacizumab的治疗方法.单细胞转录基因分析

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