Altered blood-brain-barrier function in Alzheimer's disease?
- 1 March 1994
- journal article
- Published by Hindawi Limited in Acta Neurologica Scandinavica
- Vol. 89 (3), 192-198
- https://doi.org/10.1111/j.1600-0404.1994.tb01660.x
Abstract
Alzheimer's disease (AD) and vascular dementia (VD) are the two most common causes of dementia. As yet, no definitive biological antemortem marker has been established for differential diagnosis of AD or VD. In this study, proteins of cerebrospinal fluid (CSF) from AD, VD and control patients were analyzed by two‐dimensional (2‐D) electrophoresis with immobilized pH gradients in the first dimension. No specific changes for AD or VD could be detected in the 2‐D CSF patterns. However, a spot of haptoglobin alpha‐1 chains (13.5 kDa; approximate pI 4.6) was found to be present in the majority of 2‐D CSF maps from the dementia cases, suggesting a high‐molecular‐weight transudate type of alteration in the blood‐brain barrier with considerable frequency in AD.Keywords
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