Colon Tissue Isolation
Colon Tissue Isolation - Related Videos
06:59
Isolation of Primary Myofibroblasts from Mouse and Human Colon Tissue
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Cited by 43 •
2013
The myofibroblast is an influential stromal cell of the gastrointestinal tract that regulates important physiologic processes in both normal and disease states. We describe a technique that allows for the isolation of primary myofibroblasts from both mouse and human colon tissue, which can be utilized for in vitro experimentation.
09:28
Isolation of Primary Human Colon Tumor Cells from Surgical Tissues and Culturing Them Directly on Soft Elastic Substrates for Traction Cytometry
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Cited by 11 •
2015
A protocol is described to extract primary human cells from surgical colon tumor and normal tissues. The isolated cells are then cultured on soft elastic substrates (polyacrylamide hydrogels) functionalized by an extracellular matrix protein, and embedded with fluorescent microbeads. Traction cytometry is performed to assess cellular contractile stresses.
02:43
Fluorescence Imaging of Bacterial Colonization in Mouse Kidney Tissue
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2026
Source: Behera, R. K., et al. A Fluorescence-based Method to Study Bacterial Gene Regulation in Infected Tissues. J. Vis. Exp. (2019)This video demonstrates a method for preparing infected mouse kidney tissue, staining DNA, and detecting bacterial gene expression using dual fluorescent reporters. Red marks all bacteria, and green highlights infection-responsive cells.
03:23
Assessment of Chemical-Induced Colitis via Immunohistochemical Analysis of Colon Tissue Sections
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2025
This video demonstrates the assessment of chemical-induced colitis via immunohistochemical staining of mouse colon tissue. In a stained tissue section, the presence of a large number of immune-responsive cells in the damaged tissue represents the infiltration of immune cells during colitis.
03:20
Electrophysiological Recording from Colonic Afferent Nerves in an Ex Vivo Rat Colon
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2025
This video demonstrates a method to record the activity of colonic afferent nerves in an ex-vivo rat colon, cannulated at both ends and infused with saline to increase intraluminal pressure. As pressure increases, the nerve signal rises, indicating its stimulation.
FAQs
The intended analysis determines whether the protocol should prioritize intact tissue features or living, recoverable cells. Histological and microscopy studies require preservation of tissue organization, whereas flow cytometry or primary culture depends more strongly on releasing viable epithelial, stromal, immune, or other resident populations. Choosing handling and dissociation steps accordingly helps align the sample with the planned measurement.
These stages address different sources of experimental variation. Washing helps remove unwanted material, trimming separates relevant tissue from surrounding structures, and mechanical or enzymatic dissociation releases selected cell populations. Because each step changes the sample differently, applying them deliberately supports cleaner preparations while helping preserve either cellular viability or tissue architecture, depending on the study.
Consistent handling improves the likelihood that samples represent comparable biological material rather than differences introduced during collection or processing. Variations in dissection, washing, trimming, or dissociation can alter tissue features, cell recovery, or viability. Standardized processing therefore strengthens comparisons across specimens and supports more reliable microscopy, molecular measurements, flow cytometry, or culture results.
Mechanical and enzymatic dissociation provide alternative ways to release cells from colon tissue, but the choice can influence what is recovered and how well cells remain suitable for later analysis. Mechanical processing emphasizes physical separation, while enzymatic processing uses tissue-digesting activity. The appropriate approach depends on whether the experiment emphasizes cell populations, viability, or preserved tissue features.
A typical workflow begins with careful separation of the colon tissue from surrounding structures, followed by washing and trimming. The prepared tissue can then remain sufficiently intact for histological examination or undergo mechanical or enzymatic dissociation when released cells are required. Processing should be matched to the downstream assay so that the preparation retains the features or viability that assay needs.
The resulting preparation can support microscopy and histological analysis when tissue organization is important. Molecular studies may examine gene expression, while flow cytometry can analyze released cell populations. Primary cell culture requires suitable cellular viability. Thus, the isolation strategy is not an endpoint; it determines which biological properties remain measurable in subsequent experiments.
Prepared colon samples enable research on intestinal organization, barrier function, inflammation, microbiome interactions, cancer biology, and regenerative processes. These applications use different aspects of the material, including tissue structure, resident cell populations, molecular signals, or cellular growth potential. Selecting a compatible preparation allows researchers to connect colon anatomy and cellular behavior with broader biological processes.
Processing determines whether observations primarily reflect intact tissue relationships, isolated cell behavior, or molecular content. Inadequate consistency may produce differences in cell recovery, viability, tissue preservation, or downstream measurements that are unrelated to the biological question. Careful dissection and controlled processing help maintain representative samples, making experimental outcomes easier to interpret across analyses and specimens.