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Related Concept Videos

Antifungal Agents01:15

Antifungal Agents

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Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to...
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Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

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Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable...
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Cytomegalovirus Disease01:27

Cytomegalovirus Disease

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Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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Cystic Fibrosis: Pathogenesis01:23

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.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

2.4K
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 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.
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Assessing the Putative Anticryptococcal Properties of Crude and Clarified Extracts from Mollusks
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Cryptococcus and cryptococcosis in Cuba. A minireview.

María T Illnait-Zaragozi1, Gerardo F Martínez-Machín, Carlos M Fernández-Andreu

  • 1Bacteriology and Mycology Department, Tropical Medicine Institute 'Pedro Kouri', Havana, Cuba.

Mycoses
|November 26, 2014
PubMed
Summary
This summary is machine-generated.

Cryptococcosis is a growing global health concern. Early recognition, diagnosis, and treatment of Cryptococcus neoformans/C. gattii infections are crucial for effective patient management.

Keywords:
Cryptococcus gattiiCryptococcus neoformansCubacryptococcosis

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Complementary Use of Microscopic Techniques and Fluorescence Reading in Studying Cryptococcus-Amoeba Interactions
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Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Public Health

Background:

  • Cryptococcosis is an emerging public health issue globally, particularly in Africa, Asia, and the Americas.
  • Increasing at-risk populations and environmental adaptation of causative agents contribute to its spread.
  • Effective management hinges on early identification of Cryptococcus neoformans/C. gattii species complex infections.

Purpose of the Study:

  • To provide comprehensive information for suspecting, diagnosing, and treating cryptococcosis.
  • To review diagnostic test utility and limitations.
  • To discuss available treatment strategies.

Main Methods:

  • Literature review focusing on cryptococcosis management.
  • Analysis of Cuban data related to Cryptococcus infections.
  • Synthesis of information on clinical recognition, diagnostics, and therapeutics.

Main Results:

  • Early recognition of Cryptococcus neoformans/C. gattii is vital.
  • Understanding diagnostic test performance is essential for accurate diagnosis.
  • Knowledge of current treatment options guides effective patient care.

Conclusions:

  • Integrated approach combining clinical suspicion, appropriate diagnostics, and timely treatment is necessary.
  • This review offers a framework for managing cryptococcosis based on available evidence and regional data.
  • Continued vigilance and updated knowledge are key to combating this opportunistic infection.