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  1. Home
  2. Development And Application Of Brain Tissue Based Multi-omics Profile Scores For Alzheimer's Disease.
  1. Home
  2. Development And Application Of Brain Tissue Based Multi-omics Profile Scores For Alzheimer's Disease.

Related Experiment Video

DeepOmicsAE: Representing Signaling Modules in Alzheimer's Disease with Deep Learning Analysis of Proteomics, Metabolomics, and Clinical Data
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DeepOmicsAE: Representing Signaling Modules in Alzheimer's Disease with Deep Learning Analysis of Proteomics, Metabolomics, and Clinical Data

Published on: December 15, 2023

DEVELOPMENT AND APPLICATION OF BRAIN TISSUE BASED MULTI-OMICS PROFILE SCORES FOR ALZHEIMER'S DISEASE.

Timur Tug1,2, Donghai Liang2,3, Sven Teschke1

  • 1Department of Statistics, TU Dortmund University, Dortmund, Germany.

Research Square
|May 7, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

This study integrated DNA methylation and metabolomics to understand Alzheimer's disease (AD) pathology. Both omics layers converged on lipid metabolism and signal transduction, revealing shared biological mechanisms in AD.

Keywords:
Alzheimer’s diseaseDNA methylationmachine learningmetabolomicsmulti-omicsneuropathologyprofile scores

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Area of Science:

  • Neuroscience
  • Genomics
  • Metabolomics

Background:

  • Omics technologies like epigenomics and metabolomics offer insights into Alzheimer's disease (AD) mechanisms.
  • The interaction between different omics layers and AD neuropathology remains poorly understood.

Purpose of the Study:

  • To comprehensively analyze single- and multi-omics data for Alzheimer's disease (AD) pathology.
  • To investigate the interaction of DNA methylation and metabolomics in relation to AD neuropathology.

Main Methods:

  • Integrated genome-wide DNA methylation and high-resolution metabolomics data from 157 frontal cortex samples.
  • Developed novel single- and multi-omics profile scores (PS) for AD pathology using machine learning, regression, and pathway analysis.

Main Results:

  • DNA methylation profile scores outperformed metabolomics scores for the ABC score (median R²: 0.11 vs. 0.04).
  • A multi-omics PS combining both layers yielded a partial R² of 0.15 for the ABC score, independent of covariates.
  • Both omics layers converged on lipid metabolism and signal transduction pathways implicated in AD.

Conclusions:

  • Integrative pathway and network analyses of DNA methylation and metabolomics PS highlight shared biological mechanisms in AD.
  • Multi-omics approaches provide valuable biological insights into Alzheimer's disease, even with limited predictive accuracy gains.