Apoptotic mechanisms in Alzheimer neurofibrillary degeneration: Cause or effect?

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153 Scopus citations


Increasing evidence suggests that selective neuronal loss in neurodegenerative diseases involves activation of cysteine aspartyl proteases (caspases), which initiate and execute apoptosis. In Alzheimer disease both extracellular amyloid deposits and intracellular amyloid β protein may activate caspases, leading to cleavage of nuclear and cytoskeletal proteins, including tau protein. Proteolysis of tau may be critical to neurofibrillary degeneration, which correlates with dementia (see the related article beginning on page 121).

Original languageEnglish (US)
Pages (from-to)23-27
Number of pages5
JournalJournal of Clinical Investigation
Issue number1
StatePublished - Jul 2004

ASJC Scopus subject areas

  • Medicine(all)


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