A META-ANALYSIS OF EXTRACELLULAR VESICLES BIOMARKERS IN THE DIAGNOSIS OF ALZHEIMER’S DISEASE AND RELATED DEMENTIAS
2024

Meta-Analysis of Biomarkers for Alzheimer's Disease Diagnosis

Sample size: 62 publication Evidence: moderate

Author Information

Author(s): Taha Hash

Primary Institution: Brown University of Southern California

Hypothesis

Can extracellular vesicles serve as effective biomarkers for diagnosing Alzheimer's disease and related dementias?

Conclusion

Extracellular vesicles show promise in diagnosing Alzheimer's disease, particularly when comparing it to vascular cognitive impairment.

Supporting Evidence

  • Extracellular vesicles encapsulate disease-specific signatures.
  • Biomarkers from general extracellular vesicles showed better diagnostic accuracy than those from CNS-enriched vesicles.
  • The highest diagnostic accuracy was found when diagnosing Alzheimer's disease compared to vascular cognitive impairment.

Takeaway

Scientists studied tiny bubbles in our body that can help doctors tell if someone has Alzheimer's disease or other types of dementia.

Methodology

A systematic review and meta-analysis were conducted using PRISMA guidelines and statistical modeling.

Potential Biases

Potential publication bias was investigated.

Limitations

The diagnostic accuracy was low for differentiating among various dementia disorders.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.4336

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