Agarose Embedding
Agarose Embedding - Related Videos
02:59
Agarose-Embedded Electroporation-Assisted Gene Transfer in Mouse Cortical Interneuron Progenitors
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2025
Source: Denaxa, M., el al., Transplantation of Chemogenetically Engineered Cortical Interneuron Progenitors into Early Postnatal Mouse Brains. J. Vis. Exp. (2019)This video demonstrates the procedure for injecting a plasmid vector carrying the gene of interest into interneuron progenitors in an embryonic brain slice, followed by electroporation for plasmid entry and gene expression. These modified progenitors can later be used for treating brain disorders.
02:59
Embedding 3D Spheroids in Agarose Gel Drops: A Technique to Preserve Spheroids for Downstream Analysis
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2023
This video describes the technique to embed 3D spheroids in agarose gel drops for preservation. The embedded 3D spheroids can be further used for downstream analysis.
07:17
Automated Vibratome Sectioning of Agarose-Embedded Lung Tissue for Multiplex Fluorescence Imaging
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Cited by 5 •
2023
We have developed a tissue-processing technique utilizing a vibratome and agarose-embedded lung tissue to generate lung sections, thereby permitting the acquisition of high-resolution images of lung architecture. We employed immunofluorescence staining to observe spatial protein expression using specific lung structural markers.
04:31
Stabilizing Protein and Protein—RNA Condensates in Low-Melting Agarose Hydrogels for Quantitative Biophysical Measurements
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2026
Here, we present a robust method to physically immobilize liquid–liquid phase-separated condensates within a porous low-melting agarose hydrogel matrix without disrupting their internal liquid dynamics. The approach minimizes droplet sedimentation, coalescence, and surface-wetting artifacts, enabling reproducible imaging and quantitative biophysical analysis over periods of hours.
03:55
Agarose Spin Down Assay: A Technique to Embed Organoids for Histological Analysis
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2023
In this video, we perform a spin-down assay to embed 3D prostate cancer organoids in agarose. These embedded organoids can be used for further histopathological analysis to study cancer growth and development.
FAQs
Cooling converts the molten agarose surrounding the specimen into a firm gel. This change creates a stable support that holds brain or spinal cord tissue in place during subsequent handling and vibratome slicing. The resulting mechanical stability helps limit movement and deformation, allowing sections to retain tissue architecture for structural analysis.
Positioning the tissue within molten agarose determines how completely the gel can support it during sectioning. Once the agarose cools, the specimen remains held within that arrangement, which helps maintain delicate neural structures and promotes controlled slicing. Proper support is especially relevant when the analysis depends on preserved cellular organization or neuroanatomical relationships.
The matrix provides a surrounding support that reduces instability while the vibratome produces tissue sections. By limiting movement of delicate brain or spinal cord structures, it helps the instrument generate more uniform slices and decreases deformation. This improved section consistency supports reliable downstream examination of neural architecture, cellular organization, and circuit-related anatomy.
Useful outcomes include more uniform sections, less visible movement or deformation during slicing, and better preservation of tissue architecture. These features make structural observations more consistent across samples. In neuroscience, they strengthen analyses that compare cellular organization, neuroanatomical patterns, neural circuits, developmental changes, or disease-related alterations.
The workflow begins by placing the biological specimen in molten agarose and arranging it within the material before it cools. Cooling forms a firm gel around the tissue, after which the supported sample can undergo vibratome slicing. The resulting sections are then available for microscopy, immunohistochemistry, neuroanatomical mapping, or related structural analyses.
This preparation is useful when a study requires controlled sectioning while preserving delicate neural structures. It is particularly relevant for work involving neuroanatomical mapping, cellular organization, neural circuits, development, or disease-related structural changes. The supportive gel can improve section uniformity and architectural preservation, making subsequent microscopic or immunohistochemical analysis more reliable.