Abstract
Alzheimer's disease (AD) is the most common form of dementia among the elderly. It currently affects approximately 5.1 million Americans, a number predicted to triple by 2050. AD is clinically manifested as progressive loss of memory and cognitive function, and is characterized pathologically by the formation of amyloid-beta (Aβ) plaques and neurofibrillary tangles (NFT). Since its discovery in 1906, extensive research has been undertaken to define AD pathogenesis and to develop treatments; however, the cause of AD remains largely unknown and no therapeutic success has been achieved in over 200 AD drug trials conducted in the past decade (Cummings et al., 2014). These challenges underscore the need for increased research focus to better understand AD risk mechanisms that would allow for the development of strategies aimed at AD prevention and early intervention.
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