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Related Concept Videos

Structure of Lipids03:38

Structure of Lipids

Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...
Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various  biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...

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Related Experiment Video

Updated: Jun 17, 2026

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
09:38

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans

Published on: November 29, 2013

Polyunsaturated fatty acids and cardiovascular disease.

Ivan Calzolari1, Stefano Fumagalli, Niccolò Marchionni

  • 1Department of Critical Care Medicine and Surgery, Unit of Gerontology and Geriatrics, University of Florence and Azienda Ospedaliero-Universitaria Careggi, Florence, Italy.

Current Pharmaceutical Design
|January 1, 2010
PubMed
Summary

Omega-3 poly-unsaturated fatty acids (PUFA) show significant benefits for cardiovascular health. Supplementation is recommended for preventing heart conditions and treating high triglycerides, supported by their anti-arrhythmic and anti-inflammatory actions.

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Last Updated: Jun 17, 2026

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
09:38

Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans

Published on: November 29, 2013

Area of Science:

  • Cardiovascular Medicine
  • Nutritional Science
  • Pharmacology

Background:

  • Growing evidence highlights the positive impact of omega-3 poly-unsaturated fatty acids (PUFA) on cardiovascular health.
  • Observational and experimental studies consistently demonstrate these beneficial effects.

Purpose of the Study:

  • To review the evidence supporting omega-3 PUFA supplementation for cardiovascular disease prevention and treatment.
  • To explore the underlying biological mechanisms of omega-3 PUFA's cardioprotective effects.

Main Methods:

  • Analysis of existing observational and experimental studies.
  • Review of biological actions and clinical applications of omega-3 PUFA.

Main Results:

  • Omega-3 PUFA supplementation is justified for primary and secondary prevention of coronary heart disease, sudden cardiac death, and heart failure.
  • It is also indicated as monotherapy for hypertriglyceridemia.
  • Key mechanisms include anti-arrhythmic, anti-thrombotic, anti-atherosclerotic, and anti-inflammatory actions.

Conclusions:

  • Omega-3 PUFA supplementation offers significant clinical benefits in managing various cardiovascular conditions.
  • The diverse biological actions of omega-3 PUFA underpin their therapeutic value.