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Related Experiment Video

Updated: May 25, 2026

Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea

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Omega-3 fatty acids and inflammatory processes.

Philip C Calder¹

¹Institute of Human Nutrition, School of Medicine, University of Southampton, MP887 Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK.

|January 19, 2012

Summary

Altering cell membrane fatty acids, particularly increasing omega-3 fatty acids like eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), can reduce inflammation. This modification impacts inflammatory mediator production and cell function.

Keywords:

cytokine eicosanoid fish oil interleukin leukocyte macrophage monocyte neutrophil

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Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response

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Published on: September 15, 2017

Area of Science:

Biochemistry
Cell Biology
Immunology

Background:

Long chain fatty acids modulate inflammatory processes, often via changes in cell membrane composition.
Cell membrane fatty acid profiles influence membrane fluidity, cell signaling, gene expression, and lipid mediator synthesis.
Inflammatory cells characteristically contain the n-6 fatty acid arachidonic acid (AA).

Purpose of the Study:

To investigate how altering the fatty acid composition of cell membranes affects inflammatory responses.
To explore the role of omega-3 fatty acids, specifically eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), in modulating inflammation.
To examine the impact of fatty acid changes on the production of inflammatory mediators.

Main Methods:

Oral administration of EPA and DHA to modify the fatty acid content of cell membranes.
Analysis of changes in membrane fatty acid composition, including arachidonic acid, EPA, and DHA.
Assessment of the production of eicosanoids, resolvins, and peptide mediators of inflammation.

Main Results:

Increased membrane content of EPA and DHA, with a corresponding decrease in AA, alters eicosanoid and resolvin production patterns.
Changes in cell fatty acid composition affect the production of peptide mediators such as adhesion molecules and cytokines.
The fatty acid composition of inflammatory cells directly influences their functional capacity.

Conclusions:

Cellular fatty acid composition, particularly levels of AA, EPA, and DHA, is crucial for regulating inflammatory cell function.
The anti-inflammatory and inflammation-resolving properties of resolvins derived from EPA and DHA are significant.
Marine omega-3 polyunsaturated fatty acids (PUFAs) show potential as therapeutic agents for inflammatory disorders.