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Related Concept Videos

Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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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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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
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Asthma-I: Introduction01:29

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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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COPD: Pathogenesis and Clinical Features01:20

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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COPD: Management Using Bronchodilators and Corticosteroids01:26

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Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
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Epigenetics in asthma and COPD.

Michael Kabesch1, Ian M Adcock

  • 1Department of Pediatric Pneumology, Hannover Medical School, Allergy and Neonatology, Hannover, Germany. Michael.Kabesch@barmherzige-regensburg.de

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PubMed
Summary
This summary is machine-generated.

Epigenetic mechanisms influence complex respiratory diseases like asthma and COPD. Understanding these modifications offers potential new therapeutic strategies for these conditions.

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Area of Science:

  • Respiratory epigenetics
  • Complex diseases
  • Environmental influences

Background:

  • Asthma and COPD are complex respiratory diseases with genetic and environmental factors.
  • Epigenetic mechanisms, including DNA methylation, histone modification, and microRNA, are increasingly recognized in disease development.
  • These mechanisms may mediate the impact of environmental exposures on respiratory health.

Purpose of the Study:

  • To provide an overview of recent advancements in respiratory epigenetics.
  • To explore the role of epigenetics in asthma and COPD pathogenesis.
  • To discuss the potential of epigenetic mechanisms for therapeutic interventions.

Main Methods:

  • Literature review of recent developments in respiratory epigenetics.
  • Focus on DNA methylation, histone modification, and microRNA.
  • Contextualization within current understanding of asthma and COPD mechanisms.

Main Results:

  • Epigenetic mechanisms are implicated in the development of complex respiratory diseases.
  • These mechanisms modulate environmental influences in the context of genetic susceptibility.
  • Evidence suggests a role for epigenetics in asthma and COPD.

Conclusions:

  • Epigenetic mechanisms are crucial in respiratory diseases like asthma and COPD.
  • The modifiable nature of epigenetics presents novel therapeutic opportunities.
  • Further research in respiratory epigenetics is warranted for disease management.