Related Experiment Video
Updated: Jun 10, 2026

Multiomics Analysis of TMEM200A as a Pan-Cancer Biomarker
Published on: September 15, 2023
A multi-omics study reveals pathway-level insights and predictive biomarkers in pediatric TB
Zaynab Mousavian1,2,3, Mark R Segal4, Roger I Calderon5
1Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA. zaynab.mousavian@ki.se.
Insights
Diagnosing childhood tuberculosis (TB) is challenging. Integrating proteomics and metabolomics data shows potential, with proteomics alone outperforming other methods for accurate pediatric TB classification.
Area of Science:
- Pediatric infectious diseases
- Multi-omics research
- Biomarker discovery
Background:
- Tuberculosis (TB) significantly impacts children globally, with over a million cases annually.
- Diagnostic challenges hinder timely treatment for pediatric TB patients.
- Accurate diagnosis is crucial for effective management of childhood TB.
Purpose of the Study:
- To investigate the utility of multi-omics analysis for pediatric tuberculosis (TB) diagnosis.
- To identify novel immune and metabolic biomarkers for childhood TB.
- To compare the diagnostic performance of integrated omics data versus single-omics data.
Main Methods:
- Plasma proteomics and metabolomics data were integrated from children with presumptive TB in high-burden countries.
- Pathway enrichment analysis (multiGSEA) identified key immune and metabolic pathways.
- Diagnostic biomarker discovery utilized mixOmics and multiview approaches.
Main Results:
- Data integration uniquely identified pathways like PTEN/RUNX2 regulation and arginine/proline metabolism.
- Proteomics data alone demonstrated superior performance in classifying confirmed TB versus unlikely TB in children compared to metabolomics.
- Multi-omics signatures showed marginal improvement over single-omics models for pediatric TB diagnosis.
Conclusions:
- Combining complementary molecular data layers enhances understanding of pediatric TB disease mechanisms.
- Proteomics holds significant promise for improving the accuracy of diagnosing TB in children.
- Further research into multi-omics approaches can refine diagnostic strategies for pediatric TB.
Background:
Tuberculosis (TB) remains a global health threat, affecting over a million children under the age of 15 annually. Many children with TB do not receive treatment due to challenges in diagnosis.
Methods:
We performed a multi-omics analysis for pediatric TB by integrating plasma proteomics and metabolomics data from children with presumptive TB across four high-burden countries. Pathway enrichment analysis was conducted using multiGSEA to identify relevant immune and metabolic pathways. We also applied mixOmics and multiview approaches for diagnostic biomarker discovery and compared the performance of multi-omics signatures with those derived from single-omics datasets.
Results:
Enrichment analysis revealed several immune and metabolic pathways, including PTEN and RUNX2 regulation pathways, as well as arginine and proline metabolism, that were uniquely identified through data integration. While the multi-omics model showed marginal improvement over single-omics models, proteomics alone generally outperformed metabolomics and demonstrated greater potential for accurately classifying Confirmed TB versus Unlikely TB in children.
Conclusion:
These findings demonstrate the advantage of combining complementary molecular layers to gain a deeper understanding of disease mechanisms and highlight the potential of proteomics for improving pediatric TB diagnosis.
Related Concept Videos
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis II
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Tuberculosis
Pulmonary Tuberculosis V
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories: