Lipid Metabolism
Lipid Metabolism - Related Videos
01:24
Overview of Lipid Metabolism
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2024
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...
05:41
Metabolic Profile Analysis of Zebrafish Embryos
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Cited by 42 •
2013
Zebrafish represent a powerful vertebrate model that has been under-utilised for metabolic studies. Here we describe a rapid way to measure the in vivo metabolic profile of developing zebrafish that allows the comparison of different mitochondrial function parameters between genetically or pharmacologically manipulated embryos, thereby increasing the applicability of this organism.
00:52
What is Metabolism?
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2019
Overview Metabolism represents all of the chemical activity in a cell, including reactions that build molecules (anabolism) and those that break molecules down (catabolism). Anabolic reactions require energy, whereas catabolic reactions provide it. Thus, metabolism describes how cells transform energy through a variety of chemical reactions, which are often made more efficient with the help of enzymes. Metabolism Is the Sum of All of the Chemical Reactions That Take Place in an Organism
10:19
An Introduction to Cell Metabolism
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2023
In cells, critical molecules are either built by joining together individual units like amino acids or nucleotides, or broken down into smaller components. Respectively, the reactions responsible for this are referred to as anabolic and catabolic. These reactions require or produce energy typically in the form of a “high-energy” molecule called ATP. Together, these processes make up “Cell Metabolism,” and are hallmarks of healthy, living cells.JoVE’s introduction to cell metabolism briefly...
08:30
Analysis of Neutral Lipid Synthesis in Saccharomyces cerevisiae by Metabolic Labeling and Thin Layer Chromatography
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Cited by 3 •
2021
Here, a protocol is presented for the metabolic labeling of yeast with 14C-acetic acid, which is coupled with thin layer chromatography for the separation of neutral lipids.
FAQs
Beta-oxidation breaks fatty acids down into acetyl-CoA, a central metabolic product generated as the carbon chains are processed. This links lipid breakdown to energy production and allows cells to use stored or dietary fat when energy is required. The pathway is therefore an important counterpart to lipogenesis, which directs excess energy toward triglyceride storage.
Insulin and glucagon provide hormonal signals that coordinate lipid pathways with nutritional conditions and energy demand. Their actions help determine whether cells favor processes associated with storing excess energy or mobilizing lipids for use. Examining these signals helps explain how changes in nutritional state influence the balance between lipogenesis, lipid breakdown, and energy availability.
Digestion converts dietary fats into fatty acids and monoacylglycerols, which are then packaged into lipoproteins for transport. This packaging connects intestinal processing with the delivery and handling of lipids elsewhere in the body. Studying this step is especially relevant to understanding how lipid transport contributes to normal metabolism and to conditions involving abnormal blood lipid handling.
Lipogenesis provides a route for storing excess energy as triglycerides rather than leaving that energy immediately available for use. Its activity must be coordinated with lipid breakdown so that synthesis and mobilization match the organism’s nutritional state and energy demand. This balance is important when considering metabolic conditions in which energy storage becomes excessive or poorly regulated.
A useful conceptual sequence begins with dietary fat digestion, continues through the formation and transport of lipid-containing particles, and then examines either fatty-acid breakdown or triglyceride storage. Researchers can relate these stages to hormonal signals and energy demand. This framework helps connect molecular processes with broader outcomes such as altered energy production, storage, or lipid transport.
Lipid metabolism provides a biological framework for investigating obesity, diabetes, cardiovascular disease, and inherited metabolic disorders. Researchers can ask whether altered synthesis, transport, storage, breakdown, or hormonal coordination contributes to a condition. Because these processes are interconnected, studying more than one stage can clarify how metabolic changes produce broader disease-related effects.
Drugs that target lipid synthesis or transport can be evaluated within the pathways that control how lipids are produced, moved, stored, or broken down. Understanding the pathway first helps researchers interpret which metabolic process a treatment may influence. This context supports investigation of therapies for disorders involving lipid imbalance, including cardiovascular and inherited metabolic diseases.