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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...
Assembly of the Lipid Bilayer in the ER01:28

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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.
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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 .
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Biosynthesis of Lipids01:29

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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...
What are Lipids?01:38

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What are Lipids?01:31

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Updated: May 12, 2026

Lipidomics and Transcriptomics in Neurological Diseases
09:58

Lipidomics and Transcriptomics in Neurological Diseases

Published on: March 18, 2022

Organellar lipidomics--background and perspectives.

Christian Klose1, Michal A Surma, Kai Simons

  • 1Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, 01307 Dresden, Germany.

Current Opinion in Cell Biology
|April 24, 2013
PubMed
Summary

Understanding cellular functions requires detailed knowledge of organelle membranes. Mass spectrometry-based organellar lipidomics is essential for mapping lipid composition and its impact on cell processes.

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Area of Science:

  • Cell Biology
  • Biophysics
  • Biochemistry

Background:

  • Eukaryotic cells rely on membrane-bound organelles for essential functions.
  • The biophysical properties of organelle membranes, influenced by lipid composition, affect cellular processes.
  • Subtle changes in lipid composition significantly alter membrane properties and cellular functions.

Purpose of the Study:

  • To highlight the necessity of comprehensive organellar lipidome information.
  • To establish mass spectrometry-based organellar lipidomics as the key method for obtaining this data.

Main Methods:

  • Mass spectrometry-based organellar lipidomics.

Main Results:

  • This approach provides essential structural and quantitative information on the organellar lipidome.
  • It allows for understanding the contribution of membrane lipid composition to cellular process functionality.

Conclusions:

  • Mass spectrometry-based organellar lipidomics is crucial for elucidating the role of membrane lipid composition in eukaryotic cell functionality.
  • This technique is indispensable for detailed analysis of organellar lipidomes.