免疫分析识别检查点抑制性炎中高风险中性粒细胞丰富的亚型
Idris Boudhabhay1,2,3,4,5, Helene Lazareth3,6, Julie Oniszczuk7
1Centre de Recherche des Cordeliers, Institut National de la Santé et de la Recherche Médicale, Sorbonne Université, Université de Paris Cité, Team Inflammation, Complement and Cancer, Paris, France.
Kidney international reports
|February 23, 2026
概括
免疫检查点抑制剂诱导的急性间歇性炎 (ICI-AIN) 有不同的亚型. 富含中性粒细胞的表型与严重的损伤,炎症和较差的结果有关,这表明补体激活起着作用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
背景情况:
- 免疫检查点抑制剂诱导的急性间歇性炎 (ICI-AIN) 是接受免疫检查点抑制剂 (ICI) 的患者急性损伤 (AKI) 的主要原因.
- ICI-AIN的潜在机制,特别是免疫细胞透的作用,尚未完全理解.
- 鉴别这些透物对于理解ICI-AIN病原体和改善患者的治疗结果至关重要.
研究的目的:
- 在ICI-AIN.IN患者的脏活检中特征免疫细胞透.
- 根据免疫细胞组成识别不同的ICI-AIN表型.
- 为了将这些表型与临床表现,AKI的严重程度和治疗反应相关联.
主要方法:
- 对49例活检证明的ICI-AIN病例进行了回顾性分析.
- 多重体免疫光被用来量化各种免疫细胞 (巨细胞,中性粒细胞,B细胞,T细胞,等离子细胞).
- 无监督集群确定了患者子组,然后与临床数据和结果相关联. 还探索了C5a/C5aR1在中性粒细胞招募中的作用.
主要成果:
- 确定了三个免疫表型:低单核,高单核和富含中性粒细胞.
- 富含中性粒细胞的集群 (集群3) 显示显著更高的全身炎症,更严重的初始AKI,并以颗粒状体和中性粒细胞管炎为标志.
- 与高单核 (93%) 相比,中性粒细胞丰富的中类固醇反应率较低 (38%),在3.中复发更频繁. 尿液C5a与中性粒细胞透相关.
结论:
- 存在不同的ICI-AIN亚型,中性粒细胞丰富的表型与补体激活 (C5a/C5aR1通路) 相关,预后较差.
- 这种富含中性粒细胞的表型与炎症增加,严重的AKI,降低对类固醇的反应和更高的复发率有关.
- 这些发现凸显了ICI-AIN中免疫细胞分析对完善诊断和定制治疗策略的重要性.
相关概念视频
Immunodeficiency Diseases
Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
There are three main causes of immunodeficiency disorders...
Nephrotic Syndrome I : Introduction
Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of fluid...


