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Amyloid. 2001 Jul;8 Suppl 1:28-35.

Glycosaminoglycan mimetics: a therapeutic approach to cerebral amyloid angiopathy.

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Neurochem Inc, St-Laurent, Quebec, Canada.


Amyloid deposits characteristic of cerebral amyloid angiopathy lead to vessel rupture and intracerebral hemorrhage. Proteoglycans associate with the amyloid fibril deposits and are thought to play a role in the polymerization of amyloid proteins and the propagation of the deposition process. A series of low molecular weight anionic compounds was developed to mimic the glycosaminoglycan moieties of these proteoglycans. These compounds were tested in different in vitro systems to determine their anti-Abeta amyloid activity. Specific compounds were identified as being anti-fibrillogenic and protective against Abeta-induced cvtotoxicity. Such compounds also did not show intrinsic cellular toxicity could cross the blood-brain barrier (BBB) in vivo, and showed a good safety profile following chronic' exposure. Molecules showing an anti-amyloid profile combined with the ability to cross the BBB represent promising therapeutics for CAA.

[Indexed for MEDLINE]

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