Endocytic disturbances distinguish among subtypes of Alzheimer's disease and related disorders - PubMed (original) (raw)
G W Rebeck, B Ghetri, C Hulette, C Lippa, C Van Broeckhoven, C van Duijn, P Cras, N Bogdanovic, T Bird, C Peterhoff, R Nixon
Affiliations
- PMID: 11706973
Endocytic disturbances distinguish among subtypes of Alzheimer's disease and related disorders
A Cataldo et al. Ann Neurol. 2001 Nov.
Abstract
The endocytic pathway is important in amyloid precursor protein (APP) processing and beta-amyloid formation. Our studies have shown that endocytic pathway activation is a prominent and early feature of neurons in vulnerable regions of the brain in sporadic Alzheimer's disease. We report that endocytic pathway abnormalities are present not only in neurons, but in cerebral endothelia in Alzheimer's disease caused by certain APP mutations. The presence or absence of endocytic abnormalities distinguish subtypes of familial Alzheimer's disease linked to APP mutations from presenilin mutations, supporting the notion that different cellular pathways are involved in the altered processing of APP leading to increased beta-amyloid generation in certain of these different Alzheimer's disease subtypes.
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