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Related Concept Videos

Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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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 Disease-V: Management01:29

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Managing Chronic Obstructive Pulmonary Disease (COPD) involves a multifaceted approach to reduce symptoms, prevent exacerbations, improve overall health status, and slow disease progression. Key strategies include lifestyle modifications, pharmacotherapy, supportive therapies, and, in some cases, surgery. Here is an overview of the primary COPD management strategies:
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Chronic Obstructive Pulmonary Disease01:22

Chronic Obstructive Pulmonary Disease

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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-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

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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.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
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COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

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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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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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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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Related Experiment Video

Updated: Jun 15, 2025

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
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L-ascorbate Alleviates Chronic Obstructive Pulmonary Disease through the EGF/PI3K/AKT Signaling Axis.

Ji Yao1, Li Zhang2, Zezhi Zhou3

  • 1Department of Radiology, Hengyang Medical School, The Affiliated Changsha Central Hospital, University of South China, Hengyang, China.

Current Medicinal Chemistry
|August 28, 2024
PubMed
Summary

Vitamin C (L-ascorbate) may treat Chronic Obstructive Pulmonary Disease (COPD) by regulating the EGF/PI3K/AKT pathway. This study explored Vitamin C's molecular mechanism in COPD treatment.

Keywords:
Chronic obstructive pulmonary diseaseL-ascorbatemolecular dockingnetwork pharmacologynon-targeted metabolismpathophysiology.

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Author Spotlight: Exploring the Role of Inflammation in the Co-occurrence of Primary Sjogren's Syndrome and Lung Adenocarcinoma
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A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
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A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Pharmacology

Background:

  • The molecular mechanisms of L-ascorbate (Vitamin C) in treating Chronic Obstructive Pulmonary Disease (COPD) remain unclear.
  • This study investigates the potential signaling pathways involved in L-ascorbate's therapeutic effects on COPD.

Purpose of the Study:

  • To elucidate the molecular mechanisms of L-ascorbate in COPD treatment.
  • To identify key signaling pathways and molecular targets regulated by L-ascorbate in COPD.

Main Methods:

  • Non-targeted metabolomics identified differential metabolites in COPD patients.
  • A COPD rat model was established using cigarette smoke (CS) exposure.
  • Network pharmacology, molecular docking, and molecular dynamics simulations analyzed regulatory pathways.

Main Results:

  • COPD patients exhibited metabolic disorders and reduced L-ascorbate levels.
  • L-ascorbate intervention ameliorated lung inflammation and histological damage in COPD rats.
  • L-ascorbate targets the EGF/PI3K/AKT pathway in COPD, with high affinity for EGF.

Conclusions:

  • L-ascorbate influences COPD development by regulating the EGF/PI3K/AKT pathway.
  • Findings enhance understanding of L-ascorbate's role in COPD and its clinical applications.