Vitreous Gel Extraction
Vitreous Gel Extraction - Related Videos
02:39
Evisceration of Mouse Vitreous and Retina for Proteomic Analyses
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Cited by 39 •
2011
The dissection technique illustrates evisceration of the vitreous, retina, and lens from the mouse eye, separation by centrifugation, and characterization with protein assays.
04:41
Whole Vitreous Humor Dissection for Vitreodynamic Analysis
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2015
The goal of this protocol is to show an effective technique to isolate whole, intact vitreous core and cortex from post mortem enucleated porcine eyes.
03:22
SDS-PAGE Based Extraction of Extracellular Vesicles Associated Proteins: A Procedure to Extract Proteins from EVs and Prepare Them for In-Gel Digestion
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2023
In this video, we demonstrate the SDS-PAGE in-gel digestion method for protein extraction from extracellular vesicles or EVs. Once isolated, the obtained protein fragments can be used for proteomic analysis.
08:31
Total Protein Extraction and 2-D Gel Electrophoresis Methods for Burkholderia Species
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Cited by 2 •
2013
Members of the Burkholderia genus are pathogens of clinical importance. We describe a method for total bacterial protein extraction, using mechanical disruption, and 2-D gel electrophoresis for subsequent proteomic analysis.
05:05
Dissection of Human Vitreous Body Elements for Proteomic Analysis
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Cited by 28 •
2011
This video shows an effective technique for differentiating and dissecting the various semi-transparent structures of the human vitreous body in post mortem eyes.
FAQs
Maintaining the gel’s cohesion during extraction is important because structural disruption could alter the biological and physical properties being measured. Researchers also aim to minimize contamination from surrounding ocular tissues, allowing recovered material to better represent the vitreous itself. This attention to sample integrity supports dependable analysis of its proteins, metabolites, cells, and extracellular matrix components.
Changes in vitreous composition and organization provide two complementary types of information. Composition can be examined through molecular and cellular constituents, including proteins, metabolites, cells, and extracellular matrix components, while organization relates to how the gel’s structure contributes to its physical behavior. Comparing these features can help connect vitreous alterations with aging, retinal disorders, or injury.
Vitreous Gel Extraction supports ocular biomechanics by providing material whose physical properties can be studied directly. The extracted sample can be considered alongside its structural organization and biochemical composition, rather than treating the vitreous as an isolated visual space. This perspective helps researchers investigate how changes in the gel may relate to normal aging, disease-associated alterations, or injury.
The procedure begins by opening the eye, followed by separating the vitreous from surrounding tissues and transferring the cohesive gel for collection. Handling is controlled throughout these stages to minimize contamination and structural disruption. Preserving the recovered material in this way is important because later analyses may examine its composition, physical properties, or relationship to ocular biomechanics.
A recovered sample can support analysis of proteins, metabolites, cells, and extracellular matrix components. These measurements allow investigators to examine both the substances present in the gel and the biological context associated with them. The resulting information can be used to study vitreous changes in aging, retinal disorders, and injury without limiting the investigation to a single molecular category.
It is useful when investigators need to connect vitreous composition or organization with ocular conditions or physical behavior. Applications described for the method include studying aging, retinal disorders, injury, ocular biomechanics, and therapeutic development. By supplying material for biological and physical analyses, extraction can help evaluate disease-related changes and inform investigation of potential treatments.