分析前因素对血液CHI3L1水平的影响
Manuel Comabella1,2, Lucía Gutierrez1, Mireia Castillo1
1Servei de Neurologia and Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain.
Frontiers in immunology
|February 18, 2026
概括
血清基因酶3样1 (CHI3L1) 度稳定,尽管有分析前的延迟和冷解周期,与多发性硬化症 (MS) 患者的脑脊液 (CSF) 度相关.
科学领域:
- 神经免疫学 神经免疫学
- 生物标志物发现发现
- 临床化学 临床化学
背景情况:
- 基因酶3样1 (CHI3L1) 是多发性硬化症 (MS) 的一个关键预后生物标志物.
- CHI3L1的临床实用性受到非标准化试验和分析前变异性的阻碍.
- 标准化对于可靠的CHI3L1生物标志物在MS中的应用至关重要.
研究的目的:
- 评估预分析因素,包括样本处理时间和冷解周期,对血清CHI3L1水平的影响.
- 研究血液 (血清,血) 和脑脊液 (CSF) 中CHI3L1度之间的相关性.
- 在MS患者的外周血液单核细胞 (PBMC) 中确定CHI3L1的细胞起源.
主要方法:
- 使用内部单分子阵列 (Simoa) 试验,精确量化血清,血和脑脊液中的CHI3L1.
- 在延迟处理 (长达6小时) 和重复的冷解周期 (长达3个) 下评估CHI3L1的稳定性.
- 采用流细胞测量来精确确定MS患者PBMC中的CHI3L1产生细胞.
主要成果:
- 血清,血和脑脊液中CHI3L1水平显示出强烈的正相关性.
- 血清CHI3L1水平保持一致,即使处理延迟高达6小时和三个冷解周期.
- 经典单细胞 (CD14++CD16-细胞) 被确定为PBMC中CHI3L1的主要来源.
结论:
- 已建立的血清CHI3L1 (sCHI3L1) 测量预分析指南,提高了试验可靠性.
- 证实血液中的CHI3L1水平与MS评估中的CSF水平一样有信息.
- 为标准化使用CHI3L1作为MS患者管理中的生物标志物提供了基础.
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