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Basic Science and Pathogenesis.

Xiao Xu1, Chris Ugbode1, Gonca Bayraktar1

  • 1Cerevance Ltd, Cambridge, Cambridgeshire, United Kingdom.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Researchers used NETSseq to analyze gene expression and epigenetics in brain cells from Alzheimer's disease (AD) patients. This revealed cell-specific changes and potential therapeutic targets for sporadic AD.

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Area of Science:

  • Neuroscience
  • Genomics
  • Epigenetics

Background:

  • Sporadic Alzheimer's disease (AD) is a complex condition hindering therapeutic development.
  • Understanding cell-specific molecular changes in AD progression is crucial for identifying therapeutic targets.

Purpose of the Study:

  • To investigate molecular changes in specific brain cell types during sporadic Alzheimer's disease progression.
  • To identify novel therapeutic targets by analyzing gene expression and epigenetic modifications.

Main Methods:

  • Utilized NETSseq technology for deep gene expression and paired epigenetic profiling of human post-mortem brain tissue.
  • Applied NETSseq to control, early-, and late-sporadic AD donor samples, generating astrocyte RNA-seq and ATAC-seq data.

Main Results:

  • Correlated RNA-seq and ATAC-seq data to identify regulatory regions and their target genes within cell types.
  • Discovered significant chromatin and gene expression changes in astrocytes during AD progression.
  • Linked genomic data with GWAS AD data, validating known associations and identifying novel astrocyte-specific targets.

Conclusions:

  • NETSseq provides reproducible molecular profiles of CNS cell types.
  • Enables understanding of temporal dynamics in chromatin and gene expression during disease.
  • Identifies relevant pathways and genes for novel therapeutic strategies in Alzheimer's disease.