期刊
EXPERT REVIEW OF PROTEOMICS
卷 7, 期 6, 页码 907-917出版社
EXPERT REVIEWS
DOI: 10.1586/EPR.10.80
关键词
cerebrospinal fluid; Creutzfeldt-Jakob disease; MALDI-TOF profiling; prion protein; proteome
Creutzfeldt Jakob disease (CJD) is a rare fatal neurodegenerative disease belonging to the group of transmissible spongiform encephalopathies or prion diseases. The agent responsible for the disease is the prion protein in an altered conformational form. Although there have been countless studies performed on the prion protein, the mechanisms that induce the structural change of the normal protein, and the harmful action the altered protein has on nervous cells, are still not fully understood. Furthermore, the final diagnosis for CJD can only occur with a postmortem histopathological analysis of the brain; the antemortem diagnosis is only possible for some specific CJD forms. Finally, there is no current treatment able to stop or delay the progression of the disease. Studies directed at resolving these issues are, therefore, extremely relevant. The proteomic approach is a very good strategy to be applied in such contexts because it allows easy identification of proteins and peptides possibly involved in the disease processes. In this article, the existing data regarding prion infection, biomarkers for CJD diagnosis and the use of several modern proteomic technologies for the identification of new cerebrospinal fluid polypeptides involved in CJD are reviewed.
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