Pathogenesis and Treatment of Mycobacterium Tuberculosis Infection

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Microbiology in Human Health and Disease".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 824

Special Issue Editor


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Guest Editor
Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
Interests: mycobacterium tuberculosis; host-directed therapy; inflammation; vaccines; innate and adaptive immunity; immunometabolism

Special Issue Information

Dear Colleagues,

Tuberculosis (TB), caused by a recalcitrant pathogen, Mycobacterium tuberculosis (Mtb), remains a significant global health concern. Despite advances in diagnosis and treatment, approximately 10 million new cases of TB are diagnosed each year, with over a million people succumbing to it and latently infecting approximately a quarter of the worldwide population. Poverty, co-infection with diseases like acquired immunodeficiency syndrome (AIDS) and the emergence of drug-resistant strains of Mtb, likely due to extensive use of antibiotics, have further complicated the treatment landscape. Understanding the pathogenesis of Mtb, which comprises the phases of invasion, proliferation, dormancy and active disease, is of utmost importance in identifying important biological targets that lead to novel treatments. In addition to the therapeutics targeting pathogen-related processes directly, there is also an urgent need to boost the host immune response by employing host-directed therapy (HDT), which can significantly reduce the dose and duration of anti-tubercular drugs, leading to reduced incidence of drug resistance.

This Special Issue welcomes original articles and reviews focused on understanding the pathogenesis of Mtb in latent and active disease states inside the host.  To improve treatment effectiveness, articles in this Special Issue will help us to understand the molecular mechanisms of tuberculosis, identify novel therapeutic targets and employ HDT modalities to address immunopathology and survival mechanisms. 

Dr. Sajid Nadeem
Guest Editor

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Keywords

  • mycobacterium tuberculosis
  • pathogenesis
  • host-directed therapy
  • inflammation
  • necrosis
  • innate and adaptive immunity

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Published Papers (1 paper)

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Research

14 pages, 4251 KiB  
Article
Multi-Omics Integration Reveals Mitochondrial Gene Regulation as a Determinant of Tuberculosis Susceptibility: A Mendelian Randomization Approach
by Tingting Fang, Yu Chen, Feifei Yuan, Yuyan Ma, Qingqing Wang, Yumeng Yao, Sishi Cai, Wenting Jin, Qing Miao and Bijie Hu
Biomedicines 2025, 13(3), 749; https://doi.org/10.3390/biomedicines13030749 - 19 Mar 2025
Viewed by 504
Abstract
Background/Objectives: Mitochondrial dysfunction has been implicated in the pathogenesis of tuberculosis (TB). Despite emerging evidence of the importance of mitochondrial gene regulation in the immune response, the specific role of mitochondrial-related genes in TB susceptibility remains to be fully elucidated. Methods: We employed [...] Read more.
Background/Objectives: Mitochondrial dysfunction has been implicated in the pathogenesis of tuberculosis (TB). Despite emerging evidence of the importance of mitochondrial gene regulation in the immune response, the specific role of mitochondrial-related genes in TB susceptibility remains to be fully elucidated. Methods: We employed a multi-omics approach integrating genetic, methylation, and protein-level data. Mendelian randomization (MR) and colocalization analyses were conducted to explore causal associations between mitochondrial gene features—expression quantitative trait loci (eQTL), methylation quantitative trait loci (mQTL), and protein quantitative trait loci (pQTL)—and TB susceptibility. Data were obtained from the FinnGen cohort and validated using independent datasets. Results: Our analyses identified several key mitochondrial genes (e.g., ACSF3, AK3, LYRM4, and PDHB) significantly associated with TB susceptibility. Random forest analysis and gene set enrichment analysis (GSEA) supported the predictive power of these genes. Furthermore, we observed significant correlations between mitochondrial gene expression and immune cell infiltration in TB patients, suggesting a role of these genes in modulating immune responses during infection. Receiver operating characteristic (ROC) analysis confirmed strong predictive accuracy for the identified feature genes, with area under the curve (AUC) values exceeding 0.7. Conclusions: This study demonstrates that mitochondrial-related gene regulation influences TB susceptibility across genetic, methylation, and protein levels. The integration of multi-omics data provides valuable insight into the molecular mechanisms underlying TB, highlighting the potential of mitochondrial genes as biomarkers and therapeutic targets. Full article
(This article belongs to the Special Issue Pathogenesis and Treatment of Mycobacterium Tuberculosis Infection)
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