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Related Concept Videos

Asthma-I: Introduction01:29

Asthma-I: Introduction

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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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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.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
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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.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
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Asthma-IV: Diagnostic and Management01:30

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The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
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Asthma-III: Symptoms and Complications01:24

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Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
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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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Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
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The microbiome in asthma.

Magali Noval Rivas1, Timothy R Crother, Moshe Arditi

  • 1aDivision of Pediatric Infectious Diseases and Immunology, Infectious and Immunological Diseases Research Center, Department of Biomedical Sciences, Cedars-Sinai Medical Center bDavid Geffen School of Medicine at UCLA, Los Angeles, California, USA.

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Summary
This summary is machine-generated.

Early-life microbial exposure influences immune system development and asthma risk. Research highlights a gut-lung microbial axis impacting asthma development and severity.

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Area of Science:

  • Immunology
  • Microbiology
  • Pulmonology

Background:

  • Asthma is a complex respiratory disease with increasing prevalence, influenced by genetic and environmental factors.
  • Early-life microbial exposures are critical for immune system maturation and homeostasis.
  • The gut and respiratory microbiomes play a role in allergic disease development.

Purpose of the Study:

  • To review recent findings on the link between asthma development and microbial dysbiosis.
  • To discuss the impact of the gut-lung microbial axis on asthma.
  • To analyze the role of early-life microbial exposure in immune response and asthma.

Main Methods:

  • Literature review of recent research on asthma, microbiome, and immune response.
  • Analysis of studies investigating the gut-lung axis.
  • Examination of data on early-life microbial exposures and their immunological consequences.

Main Results:

  • Asthma is associated with dysbiosis in both respiratory and intestinal microbiomes.
  • A significant gut-lung microbial axis influences asthma development.
  • Early-life microbial exposure critically shapes immune responses relevant to asthma.

Conclusions:

  • Microbial dysbiosis, particularly via the gut-lung axis, is implicated in asthma pathogenesis.
  • Understanding the microbiome's role offers potential therapeutic targets for asthma.
  • Early-life interventions targeting the microbiome may prevent or mitigate asthma.