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Related Concept Videos

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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Chronic Obstructive Pulmonary Disease01:24

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COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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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.
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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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Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
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Related Experiment Video

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In Silico Identification and Characterization of circRNAs During Host-Pathogen Interactions
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Non-coding RNAs in the pathogenesis of COPD.

Elise G De Smet1, Pieter Mestdagh2, Jo Vandesompele2

  • 1Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.

Thorax
|May 22, 2015
PubMed
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Non-coding RNAs, including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), play roles in biological processes. This review explores their involvement in chronic obstructive pulmonary disease (COPD) pathogenesis.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Pulmonology

Background:

  • A significant portion of the human genome produces non-coding RNAs (ncRNAs), such as microRNAs (miRNAs) and long non-coding RNAs (lncRNAs).
  • These ncRNAs are crucial regulators of gene expression and biological processes.
  • Dysregulation of ncRNAs is implicated in various diseases, including inflammatory conditions.

Purpose of the Study:

  • To review the expression patterns of miRNAs in the lungs of chronic obstructive pulmonary disease (COPD) patients and animal models.
  • To identify specific miRNAs involved in the pathogenesis of COPD.
  • To introduce the role of long non-coding RNAs (lncRNAs) in COPD, particularly in response to cigarette smoke.

Main Methods:

  • Literature review of studies on miRNA and lncRNA expression in COPD.
  • Analysis of miRNA expression patterns in human COPD lungs and mouse models.
  • Discussion of the regulatory functions of miRNAs and lncRNAs in pulmonary inflammation.

Main Results:

  • Altered miRNA expression is observed in COPD lungs and models, contributing to disease pathogenesis.
  • Specific miRNAs are highlighted for their roles in COPD development.
  • A particular lncRNA is identified as upregulated following cigarette smoke exposure.

Conclusions:

  • Non-coding RNAs, especially miRNAs, are key players in COPD pathogenesis.
  • Further research into ncRNAs may reveal novel therapeutic targets for COPD.
  • lncRNAs represent a developing area of study in COPD research.