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Related Concept Videos

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...
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...
Liver Regeneration01:24

Liver Regeneration

The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
Stem Cell Niche01:26

Stem Cell Niche

The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...

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Related Experiment Video

Updated: May 14, 2026

Analysis of Hematopoietic Stem Progenitor Cell Metabolism
12:20

Analysis of Hematopoietic Stem Progenitor Cell Metabolism

Published on: November 9, 2019

Lipid metabolism greases the stem cell engine.

Clifford D L Folmes1, Sungjo Park, Andre Terzic

  • 1Center for Regenerative Medicine, Mayo Clinic, Rochester, MN 55901, USA.

Cell Metabolism
|February 12, 2013
PubMed
Summary

Metabolic plasticity, regulated by lipogenesis, controls neural stem cell proliferation. This process is crucial for adult neurogenesis and stemness maintenance.

Area of Science:

  • Neuroscience
  • Metabolic regulation
  • Stem cell biology

Background:

  • Metabolic plasticity is key for stem cell transitions between self-renewal and differentiation.
  • Understanding the metabolic underpinnings of neural stem cell (NSC) behavior is crucial for adult neurogenesis.

Discussion:

  • Knobloch et al. (2012) identified a critical role for lipogenesis regulation in resident neural stem cells.
  • The study highlights the importance of fatty acid synthase and Spot14-dependent malonyl-CoA supply.

Key Insights:

  • Lipogenesis regulation directly impacts the proliferative capacity of neural stem cells.
  • Malonyl-CoA supply, influenced by Spot14, is a key determinant of NSC proliferation.

Outlook:

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Analysis of Fluorescent-Stained Lipid Droplets with 3D Reconstruction for Hepatic Steatosis Assessment
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Analysis of Fluorescent-Stained Lipid Droplets with 3D Reconstruction for Hepatic Steatosis Assessment

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Last Updated: May 14, 2026

Analysis of Hematopoietic Stem Progenitor Cell Metabolism
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Analysis of Hematopoietic Stem Progenitor Cell Metabolism

Published on: November 9, 2019

Analysis of Fluorescent-Stained Lipid Droplets with 3D Reconstruction for Hepatic Steatosis Assessment
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Analysis of Fluorescent-Stained Lipid Droplets with 3D Reconstruction for Hepatic Steatosis Assessment

Published on: June 2, 2023

  • This research provides a molecular link between metabolism and adult neurogenesis.
  • Further studies can explore therapeutic strategies targeting metabolic pathways for neurological disorders.