Vascular smooth muscle actin is reduced in Alzheimer disease brain: a quantitative analysis.

Abstract excerpt

We analyzed smooth muscle actin (SMA) immunoreactivity in brain blood vessels of 10 ApoE 4,4 Alzheimer disease (AD) patients and 10 ApoE 3,3 AD patients matched for age, sex, and duration of dementia. We also examined 10 cognitively and neuropathologically normal controls matched for age and sex. Vascular SMA immunoreactivity in the arachnoid, grey matter, and white matter was quantified by image analysis. There...

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