Journal
EUROPEAN NEUROLOGY
Volume 43, Issue 4, Pages 228-232Publisher
KARGER
DOI: 10.1159/000008181
Keywords
tau protein; cerebrospinal fluid; multiple sclerosis; amyotrophic lateral sclerosis
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Axonal damage is now being recognized as a common finding in multiple sclerosis (MS) lesions and a cause of irreversible neurological damage. Attempts to identify markers of early axonal damage are of great significance. This prompted us to examine the microtubule-associated protein tau in the cerebrospinal fluid (CSF) of patients with MS vs. controls. Tau was measured by double antibody sandwich ELISA, Increased CSF tau levels were found in MS as compared to controls (medians 249.6 and 135 pg/ml respectively, p < 0.001), Half of the MS patients presented with levels above the upper limit of the controls. A significant increase vs. controls was found in both relapsing-remitting and progressive subtypes. These data may indicate axonal impairment in a subpopulation of MS patients and may provide a tool for the estimation of axonal damage during life. Copyright (C) 2000 S. Karger AG, Basel.
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