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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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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 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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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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Pulmonary Tuberculosis I01:29

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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 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...
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Related Experiment Video

Updated: Apr 21, 2026

Preparation of Mycobacterium Tuberculosis Culture Filtrate to Understand TB Pathogenesis
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Pathogen-derived biomarkers for active tuberculosis diagnosis.

Paula Tucci1, Gualberto González-Sapienza2, Monica Marin1

  • 1Sección Bioquímica, Facultad de Ciencias, Universidad de la República Montevideo, Uruguay.

Frontiers in Microbiology
|November 5, 2014
PubMed
Summary

Accurate tuberculosis (TB) diagnosis is crucial for controlling this infectious disease. Research focuses on identifying Mycobacterium tuberculosis biomarkers for rapid, point-of-care tests to improve patient outcomes and reduce transmission.

Keywords:
M. tuberculosisactive infectionbiomarkersdiagnosispoint of care

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Biomarker Discovery

Background:

  • Tuberculosis (TB), caused by Mycobacterium tuberculosis, is a leading infectious cause of death globally.
  • Current diagnostic methods for TB are insufficient, hindering effective disease control and treatment.
  • There is a critical need for rapid, accurate point-of-care diagnostic tests for active TB.

Purpose of the Study:

  • To review biomarkers derived from Mycobacterium tuberculosis for active TB diagnosis.
  • To summarize current research on pathogen-derived molecules as diagnostic tools for TB.
  • To highlight the need for improved diagnostic strategies in TB management.

Main Methods:

  • Literature review of studies on Mycobacterium tuberculosis biomarkers.
  • Analysis of data on pathogen-derived molecules in clinical specimens.
  • Evaluation of the current usage of biomarkers in active TB diagnosis.

Main Results:

  • Various Mycobacterium tuberculosis-derived molecules are under investigation as TB biomarkers.
  • Existing diagnostic methods have limitations in case detection and disease classification.
  • The development of rapid, precise, and inexpensive TB diagnostic tests is ongoing.

Conclusions:

  • Biomarkers from M. tuberculosis show promise for active TB diagnosis.
  • Point-of-care tests are essential for earlier treatment and reduced TB transmission.
  • Further validation of biomarkers is needed for widespread clinical application.