Related Experiment Video
Updated: May 18, 2026

Enzymatic Synthesis of Epoxidized Metabolites of Docosahexaenoic, Eicosapentaenoic, and Arachidonic Acids
Published on: June 28, 2019
Omega-3 fatty acids: benefits for cardio-cerebro-vascular diseases
1Charité - University Clinic Berlin, D-14195 Berlin, Germany. guenter.siegel@charite.de
Insights
Omega-3 fatty acids, specifically DHA and EPA, are crucial for distinguishing between patients with and without intracranial artery stenosis (ICAS). Lower DHA levels in phospholipids correlate with increased ICAS risk, highlighting their role in stroke prevention.
Area of Science:
- Neuroscience
- Biochemistry
- Cardiology
Background:
- Intracranial artery stenosis (ICAS) is a significant cause of ischemic stroke.
- Long-chain omega-3 fatty acids, such as DHA and EPA, play a role in cardio-cerebro-vascular diseases (CCVDs) and Alzheimer's dementia (AD).
Purpose of the Study:
- To review the discrimination between non-stroke controls and ischemic stroke patients based on phospholipid omega-3 fatty acid composition.
- To discuss the general effects of omega-3 polyunsaturated fatty acids (PUFAs) in CCVDs and AD.
Main Methods:
- Commentary and review of existing literature.
- Analysis of phospholipid fatty acid composition, specifically DHA and EPA.
- Correlation analysis between DHA levels and ICAS risk.
Main Results:
- DHA and EPA are important biomarkers for differentiating between no cerebral arteriosclerotic stenosis (NCAS) and ICAS.
- The risk of ICAS is inversely correlated with the phospholipid DHA content.
- Mechanistic explanations for PUFA benefits in CCVDs and AD have been proposed.
Conclusions:
- The beneficial effects of EPA/DHA for cardiovascular diseases and stroke are well-established.
- Preventive effects in early Alzheimer's disease require confirmation through larger clinical trials.
- International collaboration and cautiously designed studies are needed to further investigate these effects.
Background And Purpose:
Intracranial artery stenosis (ICAS) is a narrowing of an intracranial artery, which is a common etiology for ischemic stroke. In this commentary, we review key aspects of the discrimination between non-stroke controls and ischemic stroke patients on the background of phospholipid ω3-fatty acid (DHA, EPA) composition. The discussion is embedded in the presentation of general effects of long-chain ω3 polyunsaturated fatty acids (PUFAs) in cardio-cerebro-vascular diseases (CCVDs) and Alzheimer dementia (AD).
Summary Of Commentary:
ICAS is a common stroke subtype and has emerged as a major factor in recurrent stroke and vascular mortality. DHA and EPA are important fatty acids to distinguish between NCAS (no cerebral arteriosclerotic stenosis) and ICAS in stroke. The risk of ICAS is inversely correlated with the DHA content in phospholipids. Furthermore, a mechanistic explanation has been proposed for the beneficial effects of PUFAs in CCVDs and AD.
Conclusions:
Whereas the beneficial effects of EPA/DHA for cardiovascular diseases and stroke seem to be beyond question, preventive effects in patients with very mild cognitive dysfunction and beginning Alzheimer's disease undoubtedly need confirmation by larger clinical trials. A collaborative international basic science approach is warranted considering cautiously designed studies in order to avoid ethical problems.
Related Concept Videos
Atherosclerosis III: Management
Structure of Lipids
Ischemic Heart Disease: Overview
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Psychoneuroimmunology: Cardiovascular Disease
A key area of focus in PNI is the relationship between stress and coronary...
Coronary Artery Disease IV: Preventive Measures
Blood Studies for Cardiovascular System III: Serum Lipid Profile
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
