期刊
DEMENTIA AND GERIATRIC COGNITIVE DISORDERS
卷 37, 期 5-6, 页码 307-314出版社
KARGER
DOI: 10.1159/000355555
关键词
Early-onset Alzheimer's disease; Logopenic progressive aphasia; Posterior cortical atrophy; Cerebrospinal fluid; Biological markers; Amyloid; Tau
资金
- National Institute on Aging [R01 AG034499, K08 AG34628]
- NIA
- AFAR
- John A. Hartford Foundation
- Atlantic Philanthropies
- Starr Foundation
- VA Merit Review
- NATIONAL INSTITUTE ON AGING [R01AG034499, K08AG034628] Funding Source: NIH RePORTER
Background/Aims: Accurate diagnosis of sporadic early-onset Alzheimer's disease (EOAD) can be challenging, and cerebrospinal fluid (CSF) biomarkers may assist in this process. We compared CSF indices between three EOAD subtypes: amnestic, logopenic progressive aphasia (LPA), and posterior cortical atrophy (PCA). Methods: We identified 21 amnestic EOAD, 20 LPA, and 12 PCA patients with CSF data, which included amyloid beta(1-42) (A beta 42), total tau (t-tau), phospho-tau(181) (p-tau), and A beta 42/t-tau index (ATI) levels. Results: A beta 42 and ATI levels were similar across groups, but t-tau and p-tau levels were significantly lower in PCA patients. Conclusions: The A beta 42 and ATI data confirm the commonality of the A beta pathology in EOAD. The lower tau indices in PCA patients may reflect differences in the distribution of neurofibrillary tangles or rates of neurodegeneration. (C) 2013 S. Karger AG, Basel
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