Establishment of neurofilament light chain Simoa assay in cerebrospinal fluid and blood

被引：84
|
作者：
Hendricks, Robert [1 ]
Baker, Dana [1 ]
Brumm, Jochen [2 ]
Davancaze, Teresa [1 ]
Harp, Chris [3 ]
Herman, Ann [3 ]
von Budingen, H-Christian [4 ]
Townsend, Michael [5 ]
Fischer, Saloumeh K. [1 ]
机构：
[1] Genentech Inc, Dept BioAnalyt Sci, San Francisco, CA 94080 USA
[2] Genentech Inc, Dept Biostat, San Francisco, CA 94080 USA
[3] Genentech Inc, OMNI Biomarker Dev, San Francisco, CA 94080 USA
[4] Roche, Neurosci, Prod Dev, Basel, Switzerland
[5] Genentech Inc, Biomarker Discovery OMNI, San Francisco, CA 94080 USA
来源：
BIOANALYSIS | 2019年 / 11卷 / 15期
关键词：
Alzheimer's disease (AD); amyotrophic lateral sclerosis (ALS); biomarker; cerebrospinal fluid (CSF); multiple sclerosis (MS); neurodegeneration; neurofilament light (NfL) chain; Quanterix Simoa (TM); UmanDiagnostics Nf-Light ELISA (Uman ELISA); QUANTIFICATION; BIOMARKER; SERUM;
D O I：
10.4155/bio-2019-0163
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Background: Neurofilament light (NfL) chain is an established cerebrospinal fluid (CSF) biomarker for neuroaxonal injury. The highly sensitive Quanterix SimoaT platform is evaluated for NfLmeasurement in both CSF and blood. There is a need to link historical ELISA data that use bovine NfL to that of Simoa using a recombinant human (rhuman) NfL standard. Results/Methodology: The Simoa NF-light (R) Advantage Kit was validated for CSF and qualified for serum and plasma, using both rhuman and bovine NfL calibrators. Matched CSF, serum and plasma samples from 112 multiple sclerosis patients were analyzed using both calibrators. Conclusion: In multiple sclerosis, there is a good correlation between blood and CSF NfL levels. A conversion factor of approximately 5:1 was established between bovine and rhuman NfL calibrators.
引用
收藏
页码：1405 / 1418
页数：14
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