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Host Variability in NTM Disease: Implications for Research Needs.

Colin Swenson1, Christa S Zerbe2, Kevin Fennelly3

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Frontiers in Microbiology
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Summary
This summary is machine-generated.

Non-tuberculous mycobacteria (NTM) cause opportunistic infections, particularly lung disease in immunocompetent individuals. This review aims to enhance understanding of NTM infections to spur further research and development.

Keywords:
COPDbronchiectasiscystic fibrosisdisseminatednon-tuberculous mycobacteriaosteomyelitispulmonary

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Non-tuberculous mycobacteria (NTM) are widespread environmental bacteria.
  • They cause opportunistic infections, primarily lung disease in immunocompetent individuals with underlying lung conditions.
  • Disseminated NTM disease predominantly affects immunocompromised populations.

Purpose of the Study:

  • To provide non-clinician scientists with a comprehensive understanding of human NTM disease.
  • To highlight the increasing incidence and geographic variability of NTM infections caused by species like Mycobacterium avium complex, Mycobacterium abscessus, and Mycobacterium kansasii.
  • To stimulate research and development in the field of NTM disease.

Main Methods:

  • This is a case-based review.
  • The review synthesizes existing knowledge on NTM disease presentation, clinical outcomes, and phenotypes.
  • It focuses on providing accessible information for a scientific audience without clinical expertise.

Main Results:

  • NTM infections are increasing in incidence globally.
  • Disease presentation and outcomes for NTM infections vary widely but can be categorized into clinical phenotypes.
  • Commonly implicated NTM species include Mycobacterium avium complex, Mycobacterium abscessus, and Mycobacterium kansasii.

Conclusions:

  • Human NTM disease is a growing public health concern with diverse clinical manifestations.
  • Current treatment strategies for NTM infections are challenging due to limited options, long durations, and potential toxicity.
  • Further research and development are crucial to improve the understanding, diagnosis, and treatment of NTM diseases.