Immunomodulation by epigenome alterations in Mycobacterium tuberculosis infection

Area of Science:

• Immunology
• Microbiology
• Epigenetics

Background:

• Mycobacterium tuberculosis (MTB) has co-evolved with humans, developing sophisticated immune evasion strategies.
• Epigenetic modifications, including DNA methylation and chromatin remodeling, significantly influence gene expression and cellular processes.
• The role of epigenetics in disease pathogenesis is increasingly recognized, offering potential for novel diagnostic and therapeutic approaches.

Purpose of the Study:

• To review the fundamental principles of epigenetics.
• To elucidate the mechanisms by which MTB reshapes the host epigenetic landscape.
• To understand how MTB utilizes epigenetic alterations to suppress host immune responses for its survival and persistence.

Main Methods:

• This is a review article, synthesizing existing research on MTB and host epigenetics.
• Literature search and analysis of studies investigating epigenetic modifications in the context of MTB infection.
• Examination of molecular mechanisms underlying MTB-induced epigenetic changes.

Main Results:

• MTB actively modulates host gene expression through epigenetic alterations.
• Specific epigenetic mechanisms employed by MTB include DNA methylation and chromatin remodeling.
• These modifications lead to the suppression of immune responses crucial for pathogen clearance.

Conclusions:

• Epigenetic reprogramming is a key survival strategy for MTB.
• Understanding these epigenetic interactions is vital for developing new anti-TB therapies.
• Targeting host epigenetic modifications presents a promising avenue for combating tuberculosis.