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Proteomics. 2003 Aug;3(8):1495-9.

A potential cerebrospinal fluid and plasmatic marker for the diagnosis of Creutzfeldt-Jakob disease.

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Biomedical Proteomics Research Group, Central Clinical Chemistry Laboratory, Geneva University Hospital, 24 rue Micheli-du-Crest, CH-1211 Geneva 14, Switzerland.


The recent occurrence of the new variant of Creutzfeldt-Jakob disease (CJD), probably transmitted to humans by cattle affected by the bovine form of spongiform encephalopathy, has generated renewed interest in the clinical issues related to human spongiform encephalopathies. Using the current set of diagnostic tools, these rare but devastating conditions may be difficult to diagnose with accuracy before death. The objective of the present communication is to describe the discovery of a potential cerebrospinal fluid (CSF) and plasmatic marker of human transmissible spongiform encephalopathies. A preliminary two-dimensional electrophoresis approach highlighted a potential neurodegenerative disorder marker called the fatty acid binding protein, FABP. Its heart form, H-FABP, was investigated in a small group of CJD affected patients (n = 8 ) by an immunoassay approach. The amount of FABP appeared to be significantly (p< or = 0.05) increased in all tested samples. H-FABP detection could therefore be helpful as a blood screening test for a pre-mortem diagnosis of the disease and also to prevent the risk of iatrogenic transmission of CJD through blood transfusion.

[Indexed for MEDLINE]

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