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Review
, 245, 57-88

Nanomedicine in Alzheimer's Disease: Amyloid Beta Targeting Strategy

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Review

Nanomedicine in Alzheimer's Disease: Amyloid Beta Targeting Strategy

Giovanni Tosi et al. Prog Brain Res.

Abstract

The treatment of Alzheimer's disease (AD) is up to today one of the most unsuccessful examples of biomedical science. Despite the high number of literature evidences detailing the multifactorial and complex etiopathology of AD, no cure is yet present on the market and the available treatments are only symptomatic. The reasons could be ascribed on two main factors: (i) lack of ability of the majority of drugs to cross the blood-brain barrier (BBB), thus excluding the brain for any successful therapy; (ii) lack of selectivity and specificity of drugs, decreasing the efficacy of even potent anti-AD drugs. The exploitation of specifically engineered nanomedicines planned to cross the BBB and to target the most "hot" site of action (i.e., β-amyloid) is one of the most interesting innovations in drug delivery and could reasonably represent an promising choice for possible treatments and even early-diagnosis of AD. In this chapter, we therefore outline the most talented approaches in AD treatment with a specific focus on the main advantages/drawbacks and future possible translation to clinic application.

Keywords: Alzheimer's disease; Aβ; Blood-brain barrier; Dual targeting; Liposomes; Nanomedicine; Polymeric nanoparticles; Sink effect.

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