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初始骨髓细胞状态与细胞癌的临床结果有关

Saima Sabrina¹, Yuji Takeda¹, Tomoyuki Kato²

¹Department of Immunology, Faculty of Medicine, Yamagata University, Yamagata 990-9585, Japan.

|May 27, 2023

概括

骨髓状细胞标记物,包括基于糖酸氨基醇的80kD蛋白 (GPI-80),CD16和延迟相关-1 (LAP-1),可以预测晚期细胞癌患者的免疫检查点抑制 (ICI) 治疗结果.

科学领域:

免疫学免疫学免疫学
在瘤学瘤学.
生物化学生物化学

背景情况:

免疫检查点抑制 (ICI) 疗法显示出前景,但可以通过组合治疗来改善.
骨髓系衍生抑制细胞 (MDSCs) 是瘤免疫的关键调节者,起源于中性粒细胞/单细胞.
骨髓细胞群是异质的,这使得MDSC状态的评估变得复杂.

研究的目的:

调查骨髓细胞状况,包括MDSC,是否可以预测ICI治疗的临床结果.
为了确定与治疗反应相关的特定髓状细胞标记物.

主要方法:

流细胞计用于分析51名晚期细胞癌患者的周围血液.
在ICI治疗前和治疗期间测量了MDSC指数,例如糖酸氨基醇定80kD蛋白 (GPI-80),CD16和延迟相关-1 (LAP-1).

主要成果:

治疗后增加的CD16和LAP-1表达与ICI反应不佳相关.
在治疗前,中性粒细胞的高GPI-80表达与完全响应有关.
这项研究确定了早期髓状细胞状况和ICI治疗结果之间的新联系.

结论:

髓状细胞标记物,特别是GPI-80,CD16和LAP-1,可以作为ICI治疗细胞癌的预测生物标记物.
在早期治疗阶段了解髓状细胞动态对于优化ICI疗效至关重要.
这些发现为高级细胞癌的个性化治疗策略铺平了道路.

关键词:

CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 CD16 葡萄糖酸氨基醇定 80 kD 蛋白质.免疫检查点抑制抑制免疫检查点抑制与延迟相关的-1相关的-1 来自骨髓细胞的抑制细胞.细胞癌瘤是细胞癌.

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