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Related Concept Videos

Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Inflammation01:38

Inflammation

Overview
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...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
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...
Lipid Absorption01:24

Lipid Absorption

Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
Lipid Digestion01:06

Lipid Digestion

Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.

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Related Experiment Video

Updated: Jun 10, 2026

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
06:47

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation

Published on: January 28, 2021

Triglyceride lipases and atherosclerosis.

Gunilla Olivecrona1, Thomas Olivecrona

  • 1Department of Medical Biosciences, Section on Physiological Chemistry, Umeå University, Umeå, Sweden. gunilla.olivecrona@medbio.umu.se

Current Opinion in Lipidology
|August 5, 2010
PubMed
Summary

Lipoprotein lipase (LPL) system derangements contribute to atherosclerosis. Understanding LPL

Area of Science:

  • Lipid metabolism
  • Atherosclerosis research
  • Enzyme function in cardiovascular disease

Background:

  • Strong epidemiological links exist between plasma triglycerides and atherosclerosis.
  • The role of the lipoprotein lipase (LPL) system in this association requires further elucidation.
  • Hepatic lipase and endothelial lipase also play roles in lipoprotein metabolism.

Purpose of the Study:

  • To investigate the extent to which derangements in the lipoprotein lipase (LPL) system contribute to atherosclerosis.
  • To review the roles of hepatic lipase and endothelial lipase in this context.

Main Methods:

  • Review of recent findings on LPL system components and their functions.
  • Analysis of genetic variant studies related to lipase activity.

Related Experiment Videos

Last Updated: Jun 10, 2026

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
06:47

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation

Published on: January 28, 2021

  • Examination of the physiological regulation of lipase activity.
  • Main Results:

    • Discovery of lipase maturation factor 1 and glycosylphosphatidylinositol-anchored HDL-binding protein 1 advances understanding of LPL function.
    • Angiopoietin-like proteins modulate LPL activity.
    • Genetic studies confirm the critical roles of lipases in lipoprotein metabolism and atherosclerosis.

    Conclusions:

    • Derangements in lipases contribute to atherogenesis through various mechanisms.
    • Lipase activity significantly influences plasma lipoprotein profiles.
    • Efficient removal of lipase-generated fatty acids and monoglycerides is crucial for endothelial integrity and preventing lipotoxicity.