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Updated: Jul 26, 2025
Immuno-fluorescent Labeling of Microtubules and Centrosomal Proteins in Ex Vivo Intestinal Tissue and 3D In Vitro Intestinal Organoids
Published on: December 13, 2017
Identification of Differentiated Intestinal Epithelial Cells Using Immunostaining and Fluorescence Microscopy
Jessica R Digrazia1, Melinda A Engevik1,2, Amy C Engevik3
1Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, USA.
Insights
Immunofluorescence imaging visualizes molecules in diverse cells and tissues. This study details immunostaining protocols for identifying mouse small intestinal cell types, aiding research into health and disease.
Area of Science:
- Cell Biology
- Histology
- Molecular Biology
Background:
- Immunofluorescence imaging is crucial for visualizing molecular localization and protein levels in cells.
- The small intestinal epithelium comprises diverse cell types with distinct structures and functions vital for homeostasis.
- Identifying these cell types via immunofluorescence aids in understanding intestinal health and disease.
Purpose of the Study:
- To provide a detailed protocol for immunostaining paraffin-embedded mouse small intestinal tissue.
- To present representative images identifying differentiated cell types within the small intestine.
- To emphasize the importance of quality immunofluorescence imaging for biological insights.
Main Methods:
- Immunostaining of paraffin-embedded mouse small intestinal tissue.
- Utilization of specific antibodies to label differentiated cell types.
- Microscopic analysis and imaging of labeled tissues.
Main Results:
- Successful identification of various differentiated cell types in the mouse small intestine using immunofluorescence.
- Detailed protocol and representative micrographs provided for researchers.
- Demonstration of distinct cellular morphologies and protein localizations.
Conclusions:
- High-quality immunofluorescence imaging provides critical insights into cell structure and function.
- This protocol facilitates the identification of specific cell types in the small intestine.
- Understanding cellular details through immunostaining advances research in intestinal homeostasis and pathology.
Abstract:
Immunofluorescence imaging enables visualization of a wide range of molecules in diverse cells and tissues. Determining the localization and endogenous protein levels in cells using immunostaining can be highly informative for researchers studying cell structure and function. The small intestinal epithelium is composed of numerous cell types including absorptive enterocytes, mucus-producing goblet cells, lysozyme positive Paneth cells, proliferative stem cells, chemosensing tuft cells, and hormone-producing enteroendocrine cells. Each cell type in the small intestine has unique functions and structures that are critical for maintaining intestinal homeostasis and identifiable by immunofluorescence labeling. In this chapter we provide a detailed protocol and representative images of immunostaining of paraffin-embedded mouse small intestinal tissue. The method highlights antibodies and micrographs that identify differentiated cell types. These details are important because quality immunofluorescence imaging can provide novel insights and a greater understanding of healthy and disease states.
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