Related Experiment Video

Updated: Apr 24, 2026

In Vivo Assessment of Alveolar Macrophage Efferocytosis Following Ozone Exposure
08:54

In Vivo Assessment of Alveolar Macrophage Efferocytosis Following Ozone Exposure

Published on: October 22, 2019

8.6K

[Research progress on the role of macrophage efferocytosis in chronic obstructive pulmonary disease]

Shumin Feng1, Tao Bian2

  • 1Wuxi Clinical Medical College of Nanjing Medical University, Wuxi 214000, China.

Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi = Chinese Journal of Cellular and Molecular Immunology
|April 22, 2026
PubMed

Insights

Impaired efferocytosis by lung macrophages (LM) is linked to chronic obstructive pulmonary disease (COPD). Targeting this process may offer new COPD treatments.

Area of Science:

  • Pulmonary immunology
  • Cellular biology
  • Disease mechanisms

Background:

  • Lung macrophages (LM) are key immune cells in the lungs.
  • LM clear apoptotic cells via efferocytosis, crucial for lung homeostasis.
  • Efferocytosis dysfunction in LM is observed in chronic obstructive pulmonary disease (COPD).

Purpose of the Study:

  • To review the role of LM efferocytosis in COPD.
  • To explore molecular mechanisms of efferocytic dysfunction in COPD.
  • To discuss potential therapeutic strategies targeting LM efferocytosis for COPD.

Main Methods:

  • Literature review of studies on LM efferocytosis and COPD.
  • Analysis of molecular pathways involved in efferocytosis.
  • Evaluation of potential therapeutic interventions.

Main Results:

  • Efferocytosis by LM is impaired in COPD patients.
  • This impairment contributes to chronic inflammation and tissue remodeling in COPD.
  • Understanding these mechanisms can guide novel therapeutic approaches.

Conclusions:

  • LM efferocytosis is a critical process for maintaining pulmonary health.
  • Dysfunctional LM efferocytosis is a significant factor in COPD pathogenesis.
  • Targeting LM efferocytosis presents a promising therapeutic avenue for COPD prevention and treatment.

More Related Videos

Alveolar Macrophage Phagocytosis and Bacteria Clearance in Mice11:20

Alveolar Macrophage Phagocytosis and Bacteria Clearance in Mice

Published on: March 2, 2019

11.1K
Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans11:07

Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans

Published on: December 19, 2014

12.2K

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
4.9K
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
28
Chronic Obstructive Pulmonary Disease II: Emphysema01:23

Chronic Obstructive Pulmonary Disease II: Emphysema

Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
19
Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

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.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
3.0K
Immune Surveillance by NK Cells and Phagocytes01:25

Immune Surveillance by NK Cells and Phagocytes

Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
7.1K
Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
21