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Abstract
Alzheimer's disease (AD), the most common form of dementia, is now representing one of the largest unmet medical needs. However, no effective treatment is now available to impede the progression of AD or delay its onset. There are two major challenges for the development of effective therapy for AD. First, the exact cause for AD onset is still unknown. Second, brain drug delivery is significantly hindered by the blood–brain barrier (BBB). In this review, we will summarize the pathological understanding about AD and the related treatments, compare BBB and its effect on brain drug delivery under normal and AD conditions and review the nanotherapeutic strategies that have been developed for AD therapy in recent years.
Financial & competing interests disclosure
This work was supported by National Natural Science Foundation of China (No. 81373351), National Key Basic Research Program (2010CB529800), grants from Shanghai Science and Technology Committee (12nm0502000 and 12ZR1416300), Shanghai Talent Development Fund and Innovation Program of Shanghai Municipal Education Commission (12ZZ107). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.