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Related Concept Videos

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-I: Introduction01:20

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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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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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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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Association between HMGB1 and COPD: A Systematic Review.

Sebastiano Gangemi1, Marco Casciaro1, Giovanni Trapani2

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High mobility group box 1 (HMGB1) protein levels increase in chronic obstructive pulmonary disease (COPD) patients. Targeting HMGB1 or neutrophil necrosis may offer new therapeutic strategies for COPD.

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Area of Science:

  • Pulmonology
  • Immunology
  • Molecular Biology

Background:

  • Chronic obstructive pulmonary disease (COPD) involves progressive airflow obstruction and airway inflammation.
  • Existing anti-inflammatory therapies offer limited efficacy in managing COPD symptoms and lung function.
  • Novel molecular targets are crucial for halting COPD progression.

Purpose of the Study:

  • To review the latest research on the role, utilization, and potential therapeutic applications of HMGB1 in COPD.
  • To analyze HMGB1 as both a potential biomarker and treatment target for COPD.

Main Methods:

  • A systematic review of experimental studies was conducted following PRISMA guidelines.
  • Studies investigating HMGB1 in COPD patients and smokers were analyzed.

Main Results:

  • Elevated HMGB1 levels were consistently observed in smokers and COPD patients.
  • Cigarette smoking induces neutrophil necrosis, leading to HMGB1 release.
  • Released HMGB1 promotes further neutrophil recruitment, creating a self-sustaining inflammatory cycle.

Conclusions:

  • HMGB1 is implicated in the pathogenesis of COPD, particularly in relation to smoking.
  • Inhibiting HMGB1, its receptor RAGE, or blocking smoking-induced neutrophil necrosis are promising therapeutic avenues.
  • Further research into these targets could lead to improved COPD management strategies.