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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

625
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

Pulmonary Tuberculosis II

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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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Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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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...
376
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

705
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:
705
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

332
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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Modeling Tuberculosis in Mycobacterium marinum Infected Adult Zebrafish
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Integrating fish models in tuberculosis vaccine development.

Anni K Saralahti1, Meri I E Uusi-Mäkelä1, Mirja T Niskanen1

  • 1Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Tampere FI-33014, Finland.

Disease Models & Mechanisms
|August 30, 2020
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Summary

Zebrafish and other fish models offer new avenues for developing tuberculosis vaccines. These models complement traditional animal studies, aiding the fight against Mycobacterium tuberculosis infections.

Keywords:
Animal modelsMycobacteriaTuberculosis vaccineZebrafish

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Area of Science:

  • Infectious Diseases
  • Vaccinology
  • Comparative Medicine

Background:

  • Tuberculosis (TB), caused by Mycobacterium tuberculosis, remains a major global health threat with over 1.5 million annual deaths.
  • The current Bacillus Calmette-Guérin (BCG) vaccine has limitations, and over 10 million new infections occur yearly, including antibiotic-resistant strains.
  • Developing new TB vaccines is challenging due to complex pathogenesis and incomplete understanding of protective immunity.

Purpose of the Study:

  • To review the utility of zebrafish (Danio rerio) and other fish models in advancing novel tuberculosis vaccine development.
  • To explore how fish models can complement traditional mammalian models in preclinical TB vaccine evaluation.
  • To address the need for better animal models that accurately predict vaccine efficacy in humans.

Main Methods:

  • Review of existing literature on the use of zebrafish and other fish in tuberculosis research.
  • Analysis of how fish models recapitulate aspects of Mycobacterium tuberculosis infection and immune response.
  • Comparison of the advantages and limitations of fish models versus traditional mammalian models for vaccine testing.

Main Results:

  • Zebrafish models offer a tractable platform for studying M. tuberculosis infection dynamics and host-pathogen interactions.
  • Fish models can provide insights into protective immune responses relevant to tuberculosis.
  • These models have the potential to accelerate the preclinical evaluation of novel TB vaccine candidates.

Conclusions:

  • Zebrafish and other fish models represent valuable tools for tuberculosis vaccine research.
  • Their use can help overcome limitations of current preclinical models and improve the prediction of human vaccine efficacy.
  • Integrating fish models into the vaccine development pipeline could lead to more effective strategies against tuberculosis.