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Related Concept Videos

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...
Biosynthesis of Lipids01:29

Biosynthesis of Lipids

Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis pathway, which...
Assembly of the Lipid Bilayer in the ER01:28

Assembly of the Lipid Bilayer in the ER

Biological membranes are more than just a barrier separating cell cytoplasm from the outside environment. They are highly dynamic and help maintain the integrity and physiological stability of the cells as well as membrane-bound organelles. Membranes also play vital roles in cell-to-cell and intracellular communication.
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
Overview of Lipid Metabolism01:24

Overview of Lipid Metabolism

Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipid Catabolism01:25

Lipid Catabolism

Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
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...

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Related Experiment Video

Updated: Jun 2, 2026

Enzymatic Synthesis of Epoxidized Metabolites of Docosahexaenoic, Eicosapentaenoic, and Arachidonic Acids
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Published on: June 28, 2019

Lipid body function in eicosanoid synthesis: an update.

Patricia T Bozza1, Ilka Bakker-Abreu, Roberta A Navarro-Xavier

  • 1Laboratory of Immunopharmacology, Oswaldo Cruz Institute, FIOCRUZ, Brazil. pbozza@ioc.fiocruz.br

Prostaglandins, Leukotrienes, and Essential Fatty Acids
|May 14, 2011
PubMed
Summary

Lipid bodies are key sites for eicosanoid synthesis, regulating inflammatory and disease processes. These specialized compartments compartmentalize signaling molecules, impacting cellular functions.

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Cellular Lipid Extraction for Targeted Stable Isotope Dilution Liquid Chromatography-Mass Spectrometry Analysis

Published on: November 17, 2011

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Enzymatic Synthesis of Epoxidized Metabolites of Docosahexaenoic, Eicosapentaenoic, and Arachidonic Acids
13:05

Enzymatic Synthesis of Epoxidized Metabolites of Docosahexaenoic, Eicosapentaenoic, and Arachidonic Acids

Published on: June 28, 2019

Prostaglandin Extraction and Analysis in Caenorhabditis elegans
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Cellular Lipid Extraction for Targeted Stable Isotope Dilution Liquid Chromatography-Mass Spectrometry Analysis
09:26

Cellular Lipid Extraction for Targeted Stable Isotope Dilution Liquid Chromatography-Mass Spectrometry Analysis

Published on: November 17, 2011

Area of Science:

  • Biochemistry
  • Cell Biology
  • Immunology

Background:

  • Eicosanoids are crucial signaling lipids derived from arachidonic acid.
  • Their synthesis and function are vital in physiological and pathological conditions.
  • Intracellular compartmentalization is increasingly recognized as a regulatory mechanism for eicosanoid production.

Purpose of the Study:

  • To review the current understanding of lipid bodies' role in eicosanoid synthesis.
  • To highlight lipid bodies as specialized sites for eicosanoid generation.
  • To discuss the implications of lipid body compartmentalization in inflammatory, infectious, and neoplastic processes.

Main Methods:

  • Literature review of studies on eicosanoid synthesis and lipid bodies.
  • Analysis of research demonstrating the localization of eicosanoid precursors and enzymes at lipid bodies.
  • Synthesis of current knowledge on the functional significance of lipid bodies in cellular signaling.

Main Results:

  • Lipid bodies (lipid droplets) serve as distinct intracellular sites for eicosanoid generation.
  • Precursors and enzymes critical for eicosanoid synthesis are localized at lipid bodies.
  • This compartmentalization is a key regulatory mechanism for eicosanoid production and signaling.

Conclusions:

  • Lipid bodies function as specialized compartments for eicosanoid formation.
  • Their role is significant in cells involved in inflammation, infection, and cancer.
  • Understanding lipid body function is crucial for deciphering signaling in various disease states.