期刊
CURRENT NEUROLOGY AND NEUROSCIENCE REPORTS
卷 13, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/s11910-013-0415-7
关键词
Alzheimer's disease; White matter hyperintensities; Cerebrovascular disease
资金
- National Institutes of Health [AG034189, AG037212, AG028786, AG029949, AG024708]
- Alzheimer's Association
- Mary E. Groff Surgical Medical Research and Education Charitable Trust
- Columbia University
As the older adult segment of the population increases, Alzheimer's disease (AD) has emerged as a significant public health epidemic. Over the past 3 decades, advances in the understanding of the biology of AD have led to a somewhat unified hypothesis of disease pathogenesis that emphasizes the precipitating role of beta amyloid protein. However, several lines of evidence suggest that multiple pathologies are necessary for clinical manifestation of the disease. Our focus over the past several years has been on the contribution of small vessel cerebrovascular disease, visualized as white matter hyperintensities (WMH) on magnetic resonance imaging, to AD. White matter hyperintensity volume, particularly in parietal regions, is elevated among individuals with and at risk for AD, predicts future diagnosis of AD, predicts the rate of progression of cognitive symptoms among individuals with AD, and increases over time among individuals destined to develop AD. White matter hyperintensities may represent an independent source of impairment and/or may interact more fundamentally with primary AD pathology. Future work should focus on more inclusive models of that better define normal vs pathological aging.
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