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Neurosci Lett. 2001 Apr 6;301(3):167-70.

Determination of 14-3-3 protein levels in cerebrospinal fluid from Creutzfeldt-Jakob patients by a highly sensitive capture assay.

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  • 1CR C. Bernard, Service de Biochimie et Biologie Moléculaire, Hôpital Lariboisière, 2, rue A. Paré, F-75010, Paris, France.

Abstract

The level of 14-3-3gamma protein was determined in the cerebrospinal fluid (CSF) from patients with Creutzfeldt-Jakob disease (CJD) and non-CJD patients applying a new and fast microplate assay (14-3-3 protein capture assay), based on the binding to a peptide comprising a phosphorylated recognition motif of 14-3-3 protein. The levels of the gamma-isoform of 14-3-3 protein in CSF samples from CJD patients (n=41) were significantly higher than those observed in patients with non-CJD dementias (n=36) suggesting that this capture assay is a reliable method in the diagnosis of CJD. Since this assay allows the direct measurement of 14-3-3 protein in the CSF without prior concentration it is an easy and simple alternative to the conventionally applied immunoblotting procedures.

PMID:
11257424
[PubMed - indexed for MEDLINE]
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