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Related Concept Videos

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

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Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
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Antiasthma Drugs: Leukotriene Modifiers01:19

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Leukotriene modifiers, or cysteinyl leukotriene receptor antagonists, are medications used to manage chronic asthma. These agents target specific inflammatory mediators produced during arachidonic acid metabolism, an essential process in generating inflammation in the body.
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Asthma: Pathogenesis and Management01:20

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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
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Inhaled corticosteroids (ICS) are anti-inflammatory drugs used primarily in treating persistent asthma and providing long-term maintenance. They target the bronchial mucosa, the lining of the airways, to control inflammation, a critical factor in asthma progression and exacerbation.
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Murine Model of Allergen Induced Asthma
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Sterols in asthma.

Mireia Guerau-de-Arellano1, Rodney D Britt2

  • 1School of Health and Rehabilitation Sciences, Division of Medical Laboratory Science, College of Medicine, Wexner Medical Center, The Ohio State University, Columbus, OH, USA; Institute for Behavioral Medicine Research, The Ohio State University, Columbus, OH, USA; Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH, USA; Department of Neuroscience, The Ohio State University, Columbus, OH, USA.

Trends in Immunology
|August 30, 2022
PubMed
Summary
This summary is machine-generated.

Sterols influence immune responses in asthma, but statin drug effects are unclear. This study explores sterols

Keywords:
Th17asthmaneutrophilicseverestatinsterol

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Area of Science:

  • Immunology
  • Pulmonology
  • Pharmacology

Background:

  • Sterols play a crucial role in immune system regulation, impacting the pathogenesis of asthma.
  • Previous studies on statin drugs, which inhibit sterols, have yielded conflicting results in human asthma patients.
  • A gap exists in understanding the specific mechanisms by which sterols affect severe asthma endotypes.

Purpose of the Study:

  • To investigate the novel impact of sterols on type 17 (T17) immune responses.
  • To explore the potential relevance of sterols and statins in severe asthma characterized by neutrophil infiltration.

Main Methods:

  • Utilizing a novel understanding of sterol-mediated immune regulation.
  • Focusing on the interplay between sterols, T17 responses, and asthma pathophysiology.
  • Hypothesizing a link to severe asthma endotypes with specific immune cell profiles.

Main Results:

  • Sterols significantly modulate T17 immune responses, a key pathway in asthma.
  • The study provides a novel hypothesis linking sterols and statins to specific severe asthma endotypes.
  • Evidence suggests a role for sterols and statins in asthma with neutrophil infiltration.

Conclusions:

  • Sterols are critical regulators of T17 immunity relevant to asthma.
  • Statins' efficacy in asthma may depend on the specific endotype, particularly those involving neutrophils.
  • Further research is warranted to elucidate the therapeutic potential of targeting sterol pathways in severe asthma.