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Published on: August 16, 2021
Methylation in Mycobacterium-host interaction and implications for novel control measures
Mohammed Asaad1, M A Abo-Kadoum2, Lambert Nzungize3
1Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400715, PR China; Department of biotechnology, Faculty of Science and Technology, Omdurman Islamic University, Omdurman, Khartoum, Sudan.
Mycobacterium tuberculosis manipulates host DNA methylation, impacting immune responses and disease progression. Understanding these epigenetic changes is crucial for developing effective tuberculosis vaccines and drugs.
Area of Science:
- Epigenetics
- Microbiology
- Immunology
Background:
- Epigenetic regulation by DNA methylation influences fundamental biological processes.
- Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis, actively modulates the host's methylome.
- Understanding Mtb's epigenetic interactions is key to combating tuberculosis.
Purpose of the Study:
- To summarize methylated genes, sites, and pathways affected by Mtb.
- To highlight the role of methylation in immune evasion and pathogenesis.
- To inform the development of novel tuberculosis therapeutics and vaccines.
Main Methods:
- Literature review and synthesis of existing studies on Mtb and host methylation.
- Analysis of methylation's impact on immune-related genes (cytokines, chemokines).
- Examination of methylation's role in drug resistance and vaccine efficacy.
Main Results:
- Mtb-induced methylation affects critical host genes, including immune mediators.
- Methylation plays significant roles in Mtb immune evasion, pathogenesis, and persistence.
- Epigenetic modifications are implicated in disease progression and treatment response (drug responder vs. non-responder).
Conclusions:
- Host methylome modulation by Mtb is a critical factor in tuberculosis.
- Targeting epigenetic mechanisms presents a promising strategy for new drug and vaccine development.
- Further research into Mtb-induced methylation can accelerate tuberculosis eradication efforts.
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