The Effect of APOE ε4 on Alzheimer's Disease Fluid Biomarkers
Author Information
Author(s): Bote Zhao, Peixi Zang, Meina Quan, Qianqian Wang, Dongmei Guo, Jianping Jia, Wei Wang
Primary Institution: Xuanwu Hospital, Capital Medical University, Beijing, China
Hypothesis
This study aims to analyze the effect of APOE ε4 on fluid biomarkers and the correlations between blood molecules and CSF biomarkers in Alzheimer's Disease patients.
Conclusion
APOE ε4 is associated with accelerated progression of Alzheimer's Disease pathology.
Supporting Evidence
- APOE ε4 carriers had increased levels of CSF t-tau and p-tau 181.
- Blood-derived biomolecules correlated with CSF biomarkers in APOE ε4 carriers.
- APOE ε4 is linked to neuroinflammation and lipid metabolism in Alzheimer's Disease.
Takeaway
This study found that a specific gene variant, APOE ε4, is linked to faster worsening of Alzheimer's Disease and affects certain biomarkers in the blood and brain fluid.
Methodology
The study enrolled 575 AD patients, 131 patients with non-AD dementia, and 112 cognitively normal participants, comparing cerebrospinal fluid and blood biomarkers.
Potential Biases
Self-reported data may introduce recall bias.
Limitations
The study was conducted at a single center with a limited sample size, which may introduce selection biases.
Participant Demographics
Participants included 575 AD patients, 131 non-AD dementia patients, and 112 cognitively normal individuals, aged 50 to 87 years, with 55.9% being female.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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