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Tau protein concentrations in cerebrospinal fluid of patients with dementia of the Alzheimer type.
  1. R E Tato,
  2. A Frank,
  3. A Hernanz
  1. Servicio de Bioquímica, Hospital La Paz, Madrid, Spain.


    Tau protein concentrations were measured in the CSF of 23 patients with dementia of the Alzheimer type (DAT), 36 patients with multi-infarct dementia (MID), and 23 control subjects. Tau protein concentrations were significantly higher in patients with DAT than in controls (P < 0.001) and patients with MID (P < 0.001). A significantly positive correlation between CSF tau protein and glucose concentrations (r = 0.79, P < 0.001) and evolution of disease (r = 0.47, P < 0.05), and a negative correlation with Folstein's mental state examination test (r = -0.73, P < 0.001) were found in patients with DAT.

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