Related Experiment Video
Updated: Nov 6, 2025

Isolation and In Vitro Culture of Murine and Human Alveolar Macrophages
Published on: April 20, 2018
Development and Functions of Alveolar Macrophages
Yeon Duk Woo1, Dongjin Jeong1, Doo Hyun Chung2,1
1Laboratory of Immune Regulation in Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.
Alveolar macrophages (AMs) are key lung immune cells. This review explores how granulocyte-macrophage colony-stimulating factor (GM-CSF) and transforming growth factor-beta (TGF-β) influence AM development and function in lung diseases.
Area of Science:
- Immunology
- Cell Biology
- Pulmonology
Background:
- Macrophages exhibit diverse tissue-specific characteristics.
- Alveolar macrophages (AMs) are crucial for lung immunity and defense.
- AM dysfunction is linked to pulmonary diseases like asthma and COPD.
Purpose of the Study:
- To review the roles of GM-CSF and TGF-β in AM development.
- To provide an overview of AMs' anti-inflammatory and pro-inflammatory functions.
- To examine the link between AM metabolism, development, and function.
Main Methods:
- Literature review of existing research on AMs.
- Analysis of molecular mechanisms in AM development.
- Synthesis of data on AM function in various disease contexts.
Main Results:
- GM-CSF and TGF-β are critical regulators of AM development.
- AMs display context-dependent anti-inflammatory and pro-inflammatory roles.
- Metabolic status significantly impacts AM development and function.
Conclusions:
- Understanding AM development and function is vital for treating lung diseases.
- GM-CSF and TGF-β are key targets for modulating AMs.
- Further research into AM metabolism offers therapeutic potential.
Related Concept Videos
Alveoli and Alveolar Ducts
Immune Surveillance by NK Cells and Phagocytes
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Cells of the Innate Immune Response
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Cell-mediated Immune Responses
Antigen Presenting Cells
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...

