Identification of Disease-Related Genes That Are Common between Alzheimer's and Cardiovascular Disease Using Blood

Taesic Lee1,2, Hyunju Lee1,3, The Alzheimer's Disease Neuroimaging Initiative

  • 1Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea.

Biomedicines
|November 27, 2021
PubMed

Insights

This study identified shared gene signatures between Alzheimer's disease (AD) and cardiovascular disease (CVD) using blood transcriptomes. Two common upstream genes, GPBP1 and SETDB2, were found, potentially revealing shared disease mechanisms.

Area of Science:

  • Genomics
  • Neuroscience
  • Cardiology

Background:

  • Growing evidence suggests shared pathological mechanisms between Alzheimer's disease (AD) and cardiovascular disease (CVD).
  • Understanding these commonalities is crucial for developing integrated therapeutic strategies.

Purpose of the Study:

  • To identify shared disease-related gene signatures between AD and CVD using blood transcriptome data.
  • To uncover common upstream regulatory genes that may underpin the shared pathophysiology of AD and CVD.

Main Methods:

  • Genome-wide transcriptome analysis of blood samples.
  • Integration of prior biological knowledge including protein-protein interactions, transcription factors, disease-gene databases, and SNPs.
  • Construction of gene regulatory networks (GRNs) from AD and CVD disease-related gene (DRG) sets.

Main Results:

  • Identification of distinct DRG sets for AD and CVD with high predictive accuracy in gene expression datasets.
  • Construction of AD and CVD-specific GRNs.
  • Discovery of two common upstream genes, GPBP1 and SETDB2, between the AD and CVD GRNs.

Conclusions:

  • The study successfully identified potential AD- and CVD-related genes and common hub genes.
  • GPBP1 and SETDB2 represent key common upstream regulators that may elucidate shared mechanisms between AD and CVD.
  • These findings provide a foundation for further research into the interconnectedness of these debilitating diseases.

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