A survey of peptides with effective therapeutic potential in Alzheimer's disease rodent models or in human clinical studies.
Alzheimer's disease (AD) is a devastating neurodegenerative disorder and the most common cause of dementia. Today, only palliative therapies are available. The pathological hallmarks of AD are the presence of neurofibrillary tangles and amyloid plaques, mainly composed of the amyloid-β peptide (Aβ), in the brains of the patients. Several lines of evidence suggest that the increased production and/or decreased cleavage of Aβ and subsequent accumulation of Aβ oligomers and aggregates play a fundamental role in the disease progress. Therefore, substances which bind to Aβ and influence aggregation thereof are of great interest. A wide range of Aβ binding peptides were investigated to date for therapeutic purposes. Only very few were shown to be effective in rodent AD models or in clinical studies. Here, we review those peptides and discuss their possible mechanisms of action.
ICS-6, Forschungszentrum Jülich, 52425 Jülich, Germany.
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D000544:Alzheimer Disease / Q000188:drug therapy* / Q000378:metabolism; D000595:Amino Acid Sequence; D000818:Animals; D004195:Disease Models, Animal; D006801:Humans; D008969:Molecular Sequence Data; D010455:Peptides / Q000737:chemistry / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D017433:Protein Structure, Secondary
D010455:Peptides