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Related Concept Videos

Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

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:
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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.
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...

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Updated: May 27, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
14:48

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury

Published on: March 21, 2021

Inflammatory mechanisms in the lung.

B Moldoveanu1, P Otmishi, P Jani

  • 1Department of Medicine, University of Louisville, Louisville, KY, USA, 40292.

Journal of Inflammation Research
|November 19, 2011
PubMed
Summary
This summary is machine-generated.

Lung inflammation, a response to infection or irritants, involves complex cellular and molecular mechanisms. Understanding these processes is vital for treating acute and chronic lung diseases like pneumonia and asthma.

Keywords:
cytokinesinflammationinflammatory mediatorslung

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Area of Science:

  • Pulmonary Medicine
  • Immunology
  • Cell Biology

Background:

  • Inflammation is a critical defense mechanism against pathogens and tissue damage.
  • Lung inflammation can be triggered by infections, toxins, pollutants, and allergens.
  • It involves the activation of diverse inflammatory cells releasing cytokines and mediators.

Purpose of the Study:

  • To review the cellular and molecular mechanisms of lung inflammation.
  • To differentiate between acute and chronic inflammatory states in the lung.
  • To highlight the importance of understanding lung inflammation for clinical treatment.

Main Methods:

  • Review of existing literature on lung inflammation.
  • Focus on cellular and molecular pathways.
  • Analysis of inflammatory cell activation and mediator release.

Main Results:

  • Lung inflammation involves complex interactions between various immune cells and signaling molecules.
  • Acute inflammation is observed in conditions like pneumonia and acute respiratory distress syndrome (ARDS).
  • Chronic inflammation characterizes diseases such as asthma and chronic obstructive pulmonary disease (COPD).

Conclusions:

  • A balance between inflammation and anti-inflammation is crucial for maintaining lung homeostasis.
  • Excessive lung inflammation can be life-threatening.
  • Comprehensive knowledge of lung inflammation mechanisms is essential for effective patient treatment.