Host-Pathogen Interactions Operative during Mycobacteroides abscessus Infection

Area of Science:

• Microbiology
• Immunology
• Infectious Diseases

Background:

• Mycobacteroides abscessus (Mabc) is a rapidly growing nontuberculous mycobacteria (NTM) and a significant cause of NTM pulmonary diseases (NTM-PDs).
• Mabc infections are chronic and challenging to treat due to drug resistance, necessitating novel therapeutic strategies.
• Current knowledge regarding the intricate relationship between Mabc and the host immune system remains limited.

Purpose of the Study:

• To review recent advancements in understanding the molecular interactions between Mabc and host immune defenses.
• To elucidate how Mabc exploits host immune mechanisms and how host pathways counteract Mabc pathogenesis.
• To explore the role of host-pathogen interactions in determining Mabc infection outcomes.

Main Methods:

• Literature review focusing on molecular mechanisms of Mabc-host interactions.
• Analysis of microbial components involved in immune evasion.
• Examination of host defense pathways against Mabc.
• Synthesis of information on factors influencing infection outcomes.

Main Results:

• Mabc possesses microbial components that can manipulate host immune responses.
• Specific host defense pathways are capable of mitigating Mabc pathogenesis.
• Host-pathogen interactions critically influence the clinical course and resolution of Mabc infections.

Conclusions:

• A deeper understanding of Mabc-host molecular interactions is crucial for advancing NTM-PD treatment.
• Identifying key molecular mechanisms can lead to the discovery of novel biomarkers and therapeutic targets.
• Targeting immune pathogenesis holds promise for controlling Mabc infections and protecting individuals against NTM.