Journal
JOURNAL OF ALZHEIMERS DISEASE
Volume 62, Issue 3, Pages 1211-1218Publisher
IOS PRESS
DOI: 10.3233/JAD-170839
Keywords
3xTg-AD mice; Alzheimer's disease; amyloid-beta; ciliary neurotrophic factor; neurodegeneration; neuronal connectivity; neurotrophic factors; prevention; synaptic plasticity; tau; therapeutics
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Alzheimer's disease (AD), at present, is considered an incurable disease and a major dilemma with no drug to stop or slow down its progression. Drugs that are currently available in the market are able to only transiently improve the clinical symptoms. The repeated failures in developing an effective drug has led to the suggestion that the medical intervention was probably too late to be effective since the pathology starts many years before the appearance of the clinical symptoms. Probably, at the time of the appearance of clinical symptoms the brain has undergone major neuronal and synaptic loss. Because of the uncertainty on when to use a prevention therapy, especially targeting amyloid-beta (A beta) and tau pathologies, interventions that rely on the regenerative capacity of the brain such as the modulation of the inherent neurogenesis and neuronal plasticity represent a promising therapeutic strategy. Such an approach can act both at early as well as late stages of the disease and remove the barrier of the time of intervention. In this article, we review studies mainly from our laboratory that show the merit of early intervention during the synaptic and neuronal compensation period where the brain still has the capacity to self-repair by offering neurotrophic support in reversing cognitive impairment, neuronal and synaptic deficits, A beta, and tau pathologies and decreasing mortality in a transgenic mouse model of AD.
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