期刊
FRONTIERS IN AGING NEUROSCIENCE
卷 7, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnagi.2015.00064
关键词
Alzheimer's disease; amyloid-beta peptide; clearance; vaccine; therapeutics; lifestyle factors
资金
- Canadian Institutes of Health Research [FRN37857, 102467]
- Cryptic Rite Charitable Foundation
Most therapeutic agents are designed to target a molecule or pathway without consideration of the mechanisms involved in the physiological turnover or removal of that target. In light of this and in particular for Alzheimer's disease, a number of therapeutic interventions are presently being developed/investigated which target the amyloid-beta peptide (A beta). However, the literature has not adequately considered which A beta physiological clearance pathways are necessary and sufficient for the effective action of these therapeutics. In this review, we evaluate the therapeutic strategies targeting A beta, presently in clinical development, discuss the possible interaction of these treatments with pathways that under normal physiological conditions are responsible for the turnover of A beta and highlight possible caveats. We consider immunization strategies primarily reliant on a peripheral sink mechanism of action, small molecules that are reliant on entry into the CNS and thus degradation pathways within the brain, as well as lifestyle interventions that affect vascular, parenchymal and peripheral degradation pathways. We propose that effective development of Alzheimer's disease therapeutic strategies targeting A beta peptide will require consideration of the age- and disease-specific changes to endogenous A beta clearance mechanisms in order to elicit maximal efficacy.
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