Mycobacterium abscessus: It’s Complex

Hazem F. M. Abdelaal; Edward D. Chan; Lisa Young; Susan L. Baldwin; Rhea N. Coler

Mycobacterium abscessus: It’s Complex

2022

Hazem F. M. Abdelaal | Edward D. Chan | Lisa Young | Susan L. Baldwin | Rhea N. Coler

Mycobacterium abscessus (M. abscessus) is an opportunistic pathogen usually colonizing abnormal lung airways and is often seen in patients with cystic fibrosis. Currently, there is no vaccine available for M. abscessus in clinical development. The treatment of M. abscessus-related pulmonary diseases is peculiar due to intrinsic resistance to several commonly used antibiotics. The development of either prophylactic or therapeutic interventions for M. abscessus pulmonary infections is hindered by the absence of an adequate experimental animal model. In this review, we outline the critical elements related to M. abscessus virulence mechanisms, host–pathogen interactions, and treatment challenges associated with M. abscessus pulmonary infections. The challenges of effectively combating this pathogen include developing appropriate preclinical animal models of infection, developing proper diagnostics, and designing novel strategies for treating drug-resistant M. abscessus.

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