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Whole blood gene expression and white matter Hyperintensities
Honghuang Lin1,2, Claudia Satizabal3,4, Zhijun Xie5
1National Heart Lung and Blood Institute's and Boston University's Framingham Heart Study, Framingham, MA, USA. hhlin@bu.edu.
Molecular Neurodegeneration
|September 20, 2017
Summary
White matter hyperintensities (WMH), linked to brain injury, were associated with 13 genes. This suggests inflammation plays a role in WMH development, potentially offering new therapeutic targets.
Area of Science:
- Neuroscience
- Genetics
- Vascular Biology
Background:
- White matter hyperintensities (WMH) are key indicators of vascular brain injury.
- WMH are linked to cognitive decline, dementia, stroke, depression, and gait issues.
- The exact causes of white matter lesions remain unclear.
Purpose of the Study:
- To investigate gene expression profiles associated with WMH.
- To uncover potential molecular mechanisms underlying WMH pathogenesis.
- To identify genetic factors contributing to white matter lesions.
Main Methods:
- A transcriptome-wide association study was conducted.
- Data from 3248 participants in the Framingham Heart Study were analyzed.
- Gene expression was profiled using the Affymetrix Human Exon 1.0 ST Array.
Main Results:
- Thirteen genes showed a significant association with WMH (FDR < 0.05).
- Adjustments were made for age, sex, and blood cell components.
- Many identified genes are implicated in inflammation-related pathways.
Conclusions:
- The study identified 13 genes significantly associated with WMH.
- Findings support the role of inflammation in white matter lesion development.
- Further research may explore these genes as therapeutic targets.
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