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Published in: Alzheimer's Research & Therapy 1/2017

Open Access 01-12-2017 | Research

Cerebrospinal fluid biomarkers for Alzheimer's and vascular disease vary by age, gender, and APOE genotype in cognitively normal adults

Authors: Ge Li, Jane B. Shofer, Eric C. Petrie, Chang-En Yu, Charles W. Wilkinson, Dianne P. Figlewicz, Andrew Shutes-David, Jing Zhang, Thomas J. Montine, Murray A. Raskind, Joseph F. Quinn, Douglas R. Galasko, Elaine R. Peskind

Published in: Alzheimer's Research & Therapy | Issue 1/2017

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Abstract

Background

This study sought to evaluate gender and APOE genotype-related differences in the concentrations of cerebrospinal fluid (CSF) biomarkers for Alzheimer’s disease (AD) and cerebrovascular injury across the life span of cognitively normal adults.

Methods

CSF amyloid beta1–42 (Aβ42), phospho-tau-181 (p-tau181), and total tau were measured in 331 participants who were between the ages of 21 and 100. CSF E-selectin and vascular cell adhesion protein 1 (VCAM1) were measured in 249 participants who were between the ages of 50 and 100.

Results

CSF total tau and p-tau181 increased with age over the adult life span (p < 0.01) with no gender differences in those increases. CSF Aβ42 concentration varied according to age, gender, and APOE genotype (interaction of age × gender × ε4, p = 0.047). CSF VCAM1, but not E-selectin, increased with age (p < 0.01), but both were elevated in men compared to women (p < 0.01).

Conclusions

Female APOE-ε4 carriers appear at higher risk for AD after age 50. In contrast, men may experience a relatively higher rate of cerebrovascular injury in middle and early old age.
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Metadata
Title
Cerebrospinal fluid biomarkers for Alzheimer's and vascular disease vary by age, gender, and APOE genotype in cognitively normal adults
Authors
Ge Li
Jane B. Shofer
Eric C. Petrie
Chang-En Yu
Charles W. Wilkinson
Dianne P. Figlewicz
Andrew Shutes-David
Jing Zhang
Thomas J. Montine
Murray A. Raskind
Joseph F. Quinn
Douglas R. Galasko
Elaine R. Peskind
Publication date
01-12-2017
Publisher
BioMed Central
Published in
Alzheimer's Research & Therapy / Issue 1/2017
Electronic ISSN: 1758-9193
DOI
https://doi.org/10.1186/s13195-017-0271-9

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