Review
doi: 10.2174/156720511796717131.
A novel perspective on tau in Alzheimer's disease
Affiliations
- PMID: 21605042
- PMCID: PMC5912699
- DOI: 10.2174/156720511796717131
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Review
A novel perspective on tau in Alzheimer's disease
Curr Alzheimer Res.
2011 Sep.
Abstract
Mainstream thinking is dominated by the notion that the aggregation of specific proteins within neurons, and their subsequent formation into cytoplasmic and extracellular lesions, directly elicits neuronal dysfunction and death. Current dogma, for example, maintains that phosphorylated tau protein, the major component of neurofibrillary tangles, is a central mediator of disease pathogenesis. In this article, we challenge this classic notion by proposing that tau phosphorylation represents a compensatory response mounted by neurons against oxidative stress that serves a protective function. This concept provides a better understanding of the mechanisms underlying disease pathophysiology and also provides a window for therapeutic intervention.
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