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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...
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...
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,...
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...
Overview of Fatty Acid Metabolism01:28

Overview of Fatty Acid Metabolism

Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...

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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

Do polyunsaturated fatty acids behave like an endogenous "polypill"?

Undurti N Das1

  • 1UND Life Sciences, 13800 Fairhill Road, #321, Shaker Heights, OH 44120, USA. undurti@hotmail.com <undurti@hotmail.com>

Medical Hypotheses
|July 13, 2007
PubMed
Summary

Essential fatty acids (EFAs) offer a natural alternative to the polypill for cardiovascular disease prevention. EFAs provide similar benefits without significant side effects, potentially aiding mental health and cognitive function.

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Area of Science:

  • Cardiovascular Medicine
  • Nutritional Science
  • Pharmacology

Background:

  • The polypill, a combination of drugs, aims to reduce cardiovascular events by targeting LDL-C, blood pressure, homocysteine, and platelet aggregation.
  • Essential fatty acids (EFAs) possess properties that align with the therapeutic goals of the polypill.

Purpose of the Study:

  • To propose that a combination of omega-3 and omega-6 fatty acids can serve as a natural and safe alternative to the polypill for cardiovascular disease prevention.
  • To explore the potential additional benefits of EFAs in preventing neurological and psychiatric disorders and enhancing cognitive function.

Main Methods:

  • Review of existing literature on the physiological effects of EFAs and their metabolites.
  • Comparison of the proposed actions of EFAs with the known effects of the polypill components.
  • Hypothesizing the efficacy of a rational EFA combination based on their established biological activities.

Main Results:

  • EFAs demonstrate the capacity to lower LDL-C, reduce blood pressure, prevent platelet aggregation, and counteract homocysteine's adverse effects.
  • Unlike the polypill, EFAs are endogenous, generally safe for long-term use across all age groups, and have shown efficacy in reducing cardiovascular disease incidence.

Conclusions:

  • A combination of omega-3 and omega-6 fatty acids presents a viable, natural alternative to the polypill for cardiovascular disease prevention.
  • EFAs may offer additional therapeutic advantages, including the prevention of depression, schizophrenia, Alzheimer's disease, and improved cognitive function.