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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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Pulmonary Tuberculosis II01:28

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Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
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Defense Against Bacterial Pathogens01:31

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
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Pulmonary Tuberculosis IV01:26

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Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
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Pulmonary Tuberculosis V01:28

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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
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Pulmonary Tuberculosis III01:31

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Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
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Fluorescence Assays for the Study of Mycobacterium tuberculosis Interaction with the Immune Receptor SLAMF1
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Fluorescence Assays for the Study of Mycobacterium tuberculosis Interaction with the Immune Receptor SLAMF1

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Microbiome-immune interactions in tuberculosis.

Giorgia Mori1, Mark Morrison1, Antje Blumenthal1

  • 1The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Brisbane, Australia.

Plos Pathogens
|April 15, 2021
PubMed
Summary
This summary is machine-generated.

The human microbiome may influence tuberculosis (TB) susceptibility, disease progression, and treatment outcomes. Understanding these interactions could lead to new strategies for managing TB and preventing reinfection.

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Area of Science:

  • Microbiology
  • Immunology
  • Infectious Diseases

Background:

  • Tuberculosis (TB) is a major global health challenge, particularly in low- and middle-income countries.
  • Recent advances in '-omics' technologies have highlighted the critical role of the host microbiome in health and disease.
  • The complex interplay between the microbiota and host immunity is central to understanding infectious disease dynamics.

Purpose of the Study:

  • To investigate the influence of microbiome composition on susceptibility and resistance to Mycobacterium tuberculosis (M.tb) infection.
  • To explore the impact of the microbiome on the development of active TB versus latent infection.
  • To examine how microbiome composition affects TB treatment outcomes and the risk of reinfection.

Main Methods:

  • Review and synthesis of current research on microbiome-host interactions in the context of TB.
  • Focus on microbiome-immune interactions relevant to TB susceptibility, manifestation, and progression.
  • Exploration of the long-term effects of anti-TB therapy on the microbiome.

Main Results:

  • Emerging evidence suggests the microbiome plays a significant role in modulating host immune responses to M.tb.
  • Microbiome composition may influence an individual's risk of developing active TB after exposure.
  • The microbiome's impact on TB treatment efficacy and the potential for recurrence requires further investigation.

Conclusions:

  • The host microbiome represents a potential target for novel clinical interventions to combat TB.
  • Further research into microbiome-immune interactions is crucial for developing strategies to prevent M.tb infection and recurrence.
  • Understanding and manipulating the microbiome could offer new avenues for TB management and control.