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Cystic Fibrosis: Pathogenesis

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Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
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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.
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The pathophysiology of pneumonia involves the following steps:
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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.
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Pneumonia I: Introduction01:30

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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
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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.
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Updated: Jun 13, 2025

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body
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Published on: January 11, 2018

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Cryptococcus.

Sydney L Briner1, Tamara L Doering1

  • 1Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63108, USA.

Current Biology : CB
|June 10, 2025
PubMed
Summary
This summary is machine-generated.

Fungal pathogens cause millions of deaths annually, with limited treatments and emerging threats from climate change. Cryptococcus neoformans is a critical priority pathogen requiring urgent attention.

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Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Public Health

Background:

  • Fungal pathogens are a significant, underrecognized global health threat, causing millions of deaths yearly.
  • Effective and accessible antifungal treatments are scarce, particularly in resource-limited regions.
  • Opportunistic fungal infections primarily affect immunocompromised individuals, complicating treatment strategies.

Purpose of the Study:

  • To highlight the escalating threat of fungal pathogens, emphasizing the need for greater recognition and research.
  • To discuss the fundamental biology of Cryptococcus neoformans, a critical priority pathogen.
  • To address challenges in combating fungal infections, including limited antifungals and climate change impacts.

Main Methods:

  • This primer reviews existing literature on fungal pathogenesis and Cryptococcus neoformans biology.
  • It synthesizes information on the impact of climate change on fungal thermotolerance.
  • It discusses the World Health Organization's classification of priority fungal pathogens.

Main Results:

  • Cryptococcus neoformans is identified as a critical priority pathogen by the WHO.
  • Climate change is increasing fungal thermotolerance, potentially leading to new and intensified threats.
  • The complexity of treating fungal infections is exacerbated by opportunistic behavior and limited therapeutic options.

Conclusions:

  • Urgent attention and research are needed to combat the growing threat of fungal pathogens.
  • Understanding the biology of pathogens like Cryptococcus neoformans is crucial for developing effective interventions.
  • Addressing global health challenges posed by fungi requires improved antifungal accessibility and climate change mitigation strategies.