Intestine Isolation
Intestine Isolation - Related Videos
04:37
Intestinal Crypts Isolation: A Method to Isolate Whole Crypts from Small Intestine of Murine Model
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2023
In this video, we demonstrate a technique to isolate whole crypts from a mouse’s small intestine. The isolated whole crypts can be used to propagate long-lived and self-renewing 3D organoids in vitro.
08:14
Isolation and Flow Cytometric Characterization of Murine Small Intestinal Lymphocytes
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Cited by 55 •
2016
There is growing interest in the quantitative characterization of intestinal lymphocytes owing to increasing recognition that these cells play a critical role in a variety of intestinal and systemic diseases. In this protocol, we describe how to isolate single cell populations from different small-intestinal compartments for subsequent flow cytometric characterization.
09:25
Isolation and Characterization of Dendritic Cells and Macrophages from the Mouse Intestine
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Cited by 68 •
2012
Here, we detail a methodology for the rapid isolation of mouse intestinal dendritic cells (DCs) and macrophages. Phenotypic characterization of intestinal DCs and macrophages is performed using multi-color flow cytometric analysis while magnetic bead enrichment followed by cell sorting is used to yield highly pure populations for functional studies.
02:28
Isolation and Culture of Clostridioides difficile Bacteria from Larval Zebrafish Intestine
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2025
Source: Li, J., et. al., Development of a Larval Zebrafish Infection Model for Clostridioides difficile. J. Vis. Exp. (2020)This video demonstrates the isolation and culturing of Clostridioides difficile bacteria from the intestine of larval zebrafish. The infected intestine is dissected, homogenized, and incubated in selective anaerobic media containing antibiotics. These conditions suppress competing microbes and promote the growth of viable cells.
10:58
A Protocol for Lentiviral Transduction and Downstream Analysis of Intestinal Organoids
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Cited by 81 •
2015
In this video protocol we give a step by step explanation of lentiviral transduction in organoids of primary intestinal epithelium and of processing and downstream analysis of these cultures by quantitative RT-PCR, RNA-microarray and immunohistochemistry.
FAQs
Preserving both epithelial and mesenchymal components is important because these populations contribute complementary information about intestinal development. The epithelium and mesenchyme remain available for studying their developmental context and signaling relationships. Keeping them together allows investigators to examine how communication between cell populations influences tissue patterning, morphogenesis, and maturation in an isolated sample.
Microscopic guidance helps the operator remove adjacent tissues selectively rather than treating the intestine as an undifferentiated sample. This precision supports a cleaner separation while preserving the epithelial and mesenchymal components needed for analysis. The resulting preparation can be examined as intestinal tissue itself, making developmental organization and function easier to relate to measured outcomes.
Isolation creates a controlled experimental system by separating the intestine from surrounding structures while retaining key intestinal cell populations. This arrangement makes it easier to focus on intestinal patterning, morphogenesis, maturation, and function. It also supports experimental manipulation when researchers need to investigate developmental mechanisms in a more defined preparation rather than observing the intestine only within a larger tissue context.
A basic workflow begins with microscopic identification of the intestine and neighboring structures, followed by careful removal of the surrounding tissues. The dissection must preserve the intestinal epithelial and mesenchymal components because the sample is intended for downstream study rather than separation alone. Once isolated, the tissue can be directed toward imaging, molecular analysis, culture, or experimental manipulation.
After isolation, the sample can support several complementary readouts. Imaging reveals tissue organization, molecular analysis examines developmental programs, and gene-expression studies identify changes associated with patterning or maturation. Culture and experimental manipulation extend the system beyond observation, allowing investigators to study the isolated intestine under controlled conditions and connect structural findings with cellular mechanisms.
In developmental biology, this technique is useful for asking how signaling between intestinal cell populations shapes tissue development. Isolated samples can help investigate the mechanisms that establish intestinal structure and provide a model for examining congenital abnormalities. Studying patterning, morphogenesis, and maturation separately from surrounding structures may clarify how developmental defects arise at the tissue or cellular level.