Ldl Isolation
Ldl Isolation - Related Videos
11:04
Isolation of Valvular Endothelial Cells
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Cited by 82 •
2010
We provide a method for isolating and culturing pure populations of heart valve endothelial cells (VEC). VEC can be isolated from either side of the cusp or leaflet and immediately following, underlying interstitial cell (VIC) isolation is straightforward.
09:48
Fast and Simplified Method for High Through-put Isolation of miRNA from Highly Purified High Density Lipoprotein
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Cited by 2 •
2016
MicroRNAs play an important regulatory role and are emerging as novel therapeutic targets for various human diseases. It has been shown that miRNAs are carried in high density lipoproteins. We have developed a simplified method to rapidly isolate purified HDL suitable for miRNA analysis from human plasma.
08:45
LDL Cholesterol Uptake Assay Using Live Cell Imaging Analysis with Cell Health Monitoring
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Cited by 13 •
2018
This protocol provides an efficient approach to measuring LDL cholesterol uptake with real time influx rates using a live cell imaging system in various cell types. This technique provides a platform to screen the pharmacological activity of compounds affecting LDL influx while monitoring for cell morphology and hence potential cytotoxicity.
08:20
Isolation and Primary Culture of Mouse Aortic Endothelial Cells
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Cited by 75 •
2016
The vascular endothelial cells play a significant role in many important cardiovascular disorders. This article describes a simple method to isolate and expand endothelial cells from the mouse aorta without using any special equipment. Our protocol provides an effective means of identifying mechanisms in endothelial cell physiopathology.
07:36
Isolation of Mouse Coronary Endothelial Cells
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Cited by 18 •
2016
This protocol is prepared to share our method of isolating mouse coronary endothelial cells for the purpose of imaging or to conduct molecular biological experiments.
FAQs
Buoyant density governs the position at which LDL particles form a distinct fraction within the density medium. During high-speed centrifugation, particles separate according to this physical property rather than simply settling by size. This separation allows investigators to collect an LDL-enriched fraction for subsequent examination of particle composition, structure, or biological activity.
The density medium establishes the separation environment needed for particles to resolve into distinct fractions. Adjusting the sample with this medium enables ultracentrifugation to discriminate particles according to buoyant density. Its role is therefore central to obtaining a collectable LDL fraction instead of an undifferentiated plasma or serum preparation.
Once collected, the fraction can be studied for composition, structure, and biological activity. These measurements help connect the physical characteristics of LDL with its biochemical behavior, including how it participates in lipid transport or interacts with receptors. Isolation is valuable because it provides a controlled material for examining these properties separately from the original sample.
A basic workflow begins with plasma or serum, followed by adjustment with a density medium. The prepared sample is then subjected to high-speed density-gradient ultracentrifugation, after which the distinct LDL fraction is identified and collected. Researchers can subsequently analyze the recovered material in biochemical assays focused on structure, composition, activity, or modification.
Isolating LDL concentrates the lipoprotein fraction relevant to a specific biochemical question, reducing the complexity of the original plasma preparation. The recovered material can then support controlled studies of lipid transport, cholesterol metabolism, and lipoprotein-receptor interactions. This focused approach also helps researchers evaluate assays or therapeutic strategies directed at LDL-related processes.
The isolated fraction provides experimental material for investigating mechanisms associated with cardiovascular disease, including oxidative modification of LDL. Researchers can examine how such changes affect biological activity or use the material when evaluating biochemical assays and therapeutic strategies. Its controlled preparation links particle-level observations with broader studies of lipid metabolism and disease mechanisms.