An enzyme-linked immunosorbent assay to quantify 14-3-3 proteins in the cerebrospinal fluid of suspected Creutzfeldt-Jakob disease patients.

Abstract:

:The detection of 14-3-3 protein by Western immunoblot is a sensitive and specific cerebrospinal fluid marker of Creutzfeldt-Jakob disease (CJD). We developed a quantitative enzyme-linked immunosorbent assay (ELISA) that reliably detects 14-3-3 in cerebrospinal fluid. In a prospective study of 147 cerebrospinal fluid samples, the mean 14-3-3 concentration among pathologically confirmed CJD patients (28.0+/-20.6 ng/ml, n = 41) is significantly higher than the mean in the cerebrospinal fluid of those with other neurological disorders (3.1+/-2.9 ng/ ml, n = 84). At a cutoff value of 8.3 ng/ml, the ELISA has a sensitivity of 92.7% and a specificity of 97.6%. The 14-3-3 ELISA supports a diagnosis of CJD in patients who fulfill clinical criteria for possible CJD.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Kenney K,Brechtel C,Takahashi H,Kurohara K,Anderson P,Gibbs CJ Jr

keywords:

subject

Has Abstract

pub_date

2000-09-01 00:00:00

pages

395-8

issue

3

eissn

0364-5134

issn

1531-8249

journal_volume

48

pub_type

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