Related Experiment Video

Updated: Jan 7, 2026

Investigation of Macrophage Polarization Using Bone Marrow Derived Macrophages
10:07

Investigation of Macrophage Polarization Using Bone Marrow Derived Macrophages

Published on: June 23, 2013

68.2K

Peroxisomes, PPARs, and Their Role in Macrophages

Anggi Muhtar Pratama1,2, Heike Bömmel1, Hevi Wihadmadyatami3

  • 1Institute of Anatomy and Cell Biology, Julius-Maximilians-Universität Würzburg, 97070 Würzburg, Germany.

Cells
|December 24, 2025
PubMed

Insights

Macrophages shift function (polarize) to M1 or M2 states, impacting inflammation and repair. Peroxisomes and PPARs are key regulators of macrophage functions, offering therapeutic targets for immune disorders.

Area of Science:

  • Immunology
  • Cell Biology
  • Metabolism

Background:

  • Macrophages are crucial immune cells with adaptable functions.
  • Macrophage polarization into M1 (inflammatory) and M2 (repair) phenotypes is central to immune responses.
  • Cellular components like peroxisomes and PPARs are altered during polarization.

Purpose of the Study:

  • To review the functional roles of peroxisomes and PPARs in macrophage biology.
  • To focus on adaptive mechanisms of peroxisomes and PPARs in macrophages.
  • To explore therapeutic potential for immune-related disorders.

Main Methods:

  • Literature review of macrophage polarization.
  • Analysis of peroxisome and PPAR functions in immune cells.
  • Examination of adaptive mechanisms in macrophage biology.

Main Results:

  • Peroxisomes and PPARs are integral to macrophage functions.
  • These components mediate inflammation, reduce oxidative stress, and regulate lipid metabolism.
  • Polarization significantly impacts peroxisome and PPAR activity.

Conclusions:

  • Understanding peroxisome and PPAR roles in macrophage polarization is vital.
  • Targeting these pathways may offer novel treatments for inflammatory and autoimmune diseases.
  • Insights can advance therapies for metabolic and neurodegenerative conditions.
Keywords:
M1 phenotypeM2 phenotypeimmune cellsinflammationlipid metabolismmacrophage polarizationmacrophagesoxidative stressperoxisome proliferator-activated receptors (PPARs)peroxisomes

More Related Videos

Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation08:21

Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation

Published on: April 29, 2015

37.8K
Monitoring Stub1-Mediated Pexophagy08:26

Monitoring Stub1-Mediated Pexophagy

Published on: May 12, 2023

2.0K

Related Concept Videos

Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
19.9K
Protein Import into the Peroxisomes01:27

Protein Import into the Peroxisomes

Cells contain membrane-bound organelles called peroxisomes that oxidize organic molecules by transferring hydrogen atoms to oxygen, producing hydrogen peroxide. Peroxisomes enzymatically convert the released hydrogen peroxide into water and oxygen.
Peroxisomal Protein Import:
Peroxisomes lack the genetic machinery required to code for their own proteins. Hence, most peroxisomal membrane, lumenal and transmembrane proteins are synthesized in the cytoplasm or ER and transported to the peroxisome...
5.2K
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...
7.8K
Peroxisomes and Mitochondria01:30

Peroxisomes and Mitochondria

Peroxisomes and mitochondria are two important oxygen-utilizing organelles in eukaryotic cells. Mitochondria carry out cellular respiration—the process that converts energy from food into ATP. Peroxisomes carry out a variety of functions, primarily breaking down different substances, such as fatty acids.
The peroxisome is a single membrane-bound cellular organelle that can perform several different functions, including lipid metabolism and chemical detoxification. The enzymes within...
93.9K
Phagocytosis of Apoptotic Cells01:17

Phagocytosis of Apoptotic Cells

Cells undergoing apoptosis form apoptotic bodies that must be removed immediately to prevent inflammation, autoimmune diseases, and necrosis. Phagocytosis is carried out by professional phagocytes such as macrophages or  immature dendritic cells. Non-professional phagocytes such as  epithelial cells and fibroblasts also take part in this process; however, they are not as effective as professional phagocytes. 
Normal cells contain receptors that prevent them from being recognized...
4.9K
Lipid Catabolism01:25

Lipid Catabolism

Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
804