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Integrated Bioinformatic Analyses Constructed a Novel Immune Escape-Related Signature and Classifier to Predict
Zhenpeng Li1,2, Yixin Xu1, Huizi Zhou1
1School of Medical Laboratory Shandong Second Medical University, Weifang, Shandong, China.
Journal of Cellular and Molecular Medicine
|April 28, 2025
Summary
Tuberculosis (TB) progression is linked to immune escape genes. Six key immune escape-related genes were identified as significant risk factors and potential diagnostic markers for TB, highlighting their role in disease advancement.
Area of Science:
- Genomics
- Immunology
- Computational Biology
Background:
- Tuberculosis (TB) remains a global health burden despite being preventable and curable.
- Immune escape mechanisms contribute to disease susceptibility and progression.
- Understanding immune escape-related genes is crucial for TB pathogenesis research.
Purpose of the Study:
- To investigate the role of immune escape-related genes in tuberculosis pathogenesis.
- To identify key immune escape-related genes (HIERGs) associated with TB.
- To explore the functional differences between TB subgroups defined by HIERGs.
Main Methods:
- Analysis of two TB gene expression datasets from the Gene Expression Omnibus (GEO) database.
- Identification of differentially expressed genes (DEGs) and hub immune escape-related genes (HIERGs) using machine learning algorithms (LASSO, SVM-RFE).
- Weighted gene co-expression network analysis (WGCNA) for validation and subgroup identification.
Main Results:
- Eleven immune escape-related genes were identified in TB.
- Six HIERGs were pinpointed using LASSO and SVM-RFE algorithms.
- Diagnostic models based on HIERGs demonstrated high accuracy; two distinct immune escape-related subclusters were identified, correlating with immune cell infiltration and serving as risk factors for TB.
Conclusions:
- A significant enrichment of immune escape-related gene expression is observed in TB patients.
- The identified HIERGs are implicated in TB pathogenesis and the development of TB-related diseases.
- Immune escape plays a critical role in TB advancement by modulating the immune response and immune cell abundance.
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