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Molecular Neurodegeneration
Published in: Molecular Neurodegeneration 1/2011

Open Access 01-12-2011 | Review

Adult hippocampal neurogenesis and its role in Alzheimer's disease

Authors: Yangling Mu, Fred H Gage

Published in: Molecular Neurodegeneration | Issue 1/2011

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Abstract

The hippocampus, a brain area critical for learning and memory, is especially vulnerable to damage at early stages of Alzheimer's disease (AD). Emerging evidence has indicated that altered neurogenesis in the adult hippocampus represents an early critical event in the course of AD. Although causal links have not been established, a variety of key molecules involved in AD pathogenesis have been shown to impact new neuron generation, either positively or negatively. From a functional point of view, hippocampal neurogenesis plays an important role in structural plasticity and network maintenance. Therefore, dysfunctional neurogenesis resulting from early subtle disease manifestations may in turn exacerbate neuronal vulnerability to AD and contribute to memory impairment, whereas enhanced neurogenesis may be a compensatory response and represent an endogenous brain repair mechanism. Here we review recent findings on alterations of neurogenesis associated with pathogenesis of AD, and we discuss the potential of neurogenesis-based diagnostics and therapeutic strategies for AD.
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Metadata
Title
Adult hippocampal neurogenesis and its role in Alzheimer's disease
Authors
Yangling Mu
Fred H Gage
Publication date
01-12-2011
Publisher
BioMed Central
Published in
Molecular Neurodegeneration / Issue 1/2011
Electronic ISSN: 1750-1326
DOI
https://doi.org/10.1186/1750-1326-6-85

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