相关实验视频

Updated: Sep 19, 2025

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Published on: June 8, 2022

尿路自由光链和斯蛋白尿的免疫化学测量

Laura Michetti¹, Rudi Ravasio¹, Roberto Marozzi¹

¹Department of Laboratory Medicine, Clinical Pathology Laboratory, ASST Papa Giovanni XXIII Hospital, Piazza OMS, 1, Bergamo, Italy.

Clinical chemistry and laboratory medicine

|June 3, 2025

概括

免疫化学尿液自由光链 (uFLC) 测试对选斯斯蛋白尿症 (BJP) 没有足够的敏感性. 度测量高估了BJP,阻碍了临床实践中准确的治疗监测.

科学领域:

临床化学临床化学
蛋白尿症诊断诊断蛋白尿症
免疫化学检测免疫化学检测

背景情况:

斯蛋白尿症 (BJP) 诊断依赖于敏感的方法.
目前的黄金标准包括尿液免疫固定 (UIFE) 和密度计.
评估替代诊断工具对于实验室实践至关重要.

研究的目的:

评估BJP查和量化免疫化学尿液自由光链 (uFLC) 测试的性能.
将uFLC测试特征与UIFE和密度计等既定方法进行比较.
确定uFLC作为替代诊断方法的临床实用性.

主要方法:

300名受试者被分为控制组和BJP的不同级别.
在使用威尔科克森-曼-惠特尼测试的组之间比较uFLC水平.
分析了uflc和密度计之间的相关性和一致性.

主要成果:

uFLC测试显示了显著的差异,但会产生超过50%的虚假阴性,以追踪BJP.
观察到有很强的相关性,但度测量始终高估了BJP水平.
过高估计因功能下降或尿道总蛋白质高而加剧.

结论:

uFLC度测试缺乏可靠BJP检测的灵敏度,特别是在微量水平上.
与BJP的度测量相比,UIFE显示出更高的灵敏度.
由于依赖密度计值,uflc的系统高估阻碍了治疗疗效的评估.

关键词:

单克隆组件密度计量定量的密度计量量.单克隆性牙病变是一种单克隆性牙病变.多发性骨髓瘤是多发性骨髓瘤的一种.血细胞失分症是什么没有血清的光链.尿液免疫固定尿液免疫固定

更多相关视频

Electrochemiluminescence Assays for Human Islet Autoantibodies

Electrochemiluminescence Assays for Human Islet Autoantibodies

Published on: March 23, 2018

A High-Throughput Electrochemiluminescence 7-Plex Assay Simultaneously Screening for Type 1 Diabetes and Multiple Autoimmune Diseases

A High-Throughput Electrochemiluminescence 7-Plex Assay Simultaneously Screening for Type 1 Diabetes and Multiple Autoimmune Diseases

Published on: May 29, 2020

相关概念视频

Enzyme-Linked Immunosorbent Assay

Enzyme-Linked Immunosorbent Assay

In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen. Enzyme-substrate reaction allows the antigen to be visualized or...

Nephrotic Syndrome II : Assessment and Medical Management

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document...