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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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:
Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult body.
A...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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 progression...

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Related Experiment Video

Updated: Jun 1, 2026

Preparation of Mycobacterium tuberculosis Culture Filtrate to Understand TB Pathogenesis
07:32

Preparation of Mycobacterium tuberculosis Culture Filtrate to Understand TB Pathogenesis

Published on: March 28, 2025

Matrix metalloproteinases in tuberculosis.

P T Elkington1, C A Ugarte-Gil, J S Friedland

  • 1Department of Infectious Diseases and Immunity, Imperial College London, Hammersmith Campus, Du Cane Road, London, W12 0NN, UK. p.elkington@imperial.ac.uk

The European Respiratory Journal
|June 11, 2011
PubMed
Summary
This summary is machine-generated.

Tuberculosis (TB) causes lung destruction through matrix metalloproteinases (MMPs). Inhibiting MMPs may reduce TB-related tissue damage and improve patient outcomes.

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Last Updated: Jun 1, 2026

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Published on: March 28, 2025

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
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Separation and Fractionation of Cell Wall and Cell Membrane Proteins from Mycobacterium tuberculosis for Downstream Protein Analysis

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Area of Science:

  • Immunology
  • Pathology
  • Microbiology

Background:

  • Tuberculosis (TB) is a global health crisis spread via aerosols.
  • Mycobacterium tuberculosis infection leads to lung destruction, causing significant morbidity and mortality.
  • The mechanisms of matrix destruction in TB are not fully understood.

Purpose of the Study:

  • To review the role of matrix metalloproteinases (MMPs) in TB pathogenesis.
  • To explore regulatory pathways influencing MMPs in TB.
  • To propose MMP inhibition as a potential adjunctive therapy for TB.

Main Methods:

  • Literature review of studies on MMPs in TB.
  • Analysis of data implicating MMPs in TB pathology.
  • Consideration of MMP regulatory pathways.

Main Results:

  • Accumulating evidence indicates MMPs are key mediators in TB pathogenesis.
  • MMPs play a central role in degrading lung extracellular matrix components.
  • MMPs are implicated in the inflammatory tissue damage characteristic of TB.

Conclusions:

  • Matrix metalloproteinases (MMPs) are critical in driving lung destruction during tuberculosis.
  • Inhibiting MMP activity is a viable strategy for adjunctive therapy in TB.
  • Targeting MMPs could limit immunopathology and improve TB treatment outcomes.