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[Grid electron microscopy studies of isolated intestinal epithelium]
Zeitschrift Fur Mikroskopisch-Anatomische Forschung
|January 1, 1980
Summary
This study details methods for isolating mouse jejunal enterocytes using various media. Researchers observed morphological changes in isolated cells, including basal protrusions, offering insights into cell structure and isolation techniques.
Area of Science:
- Cell Biology
- Gastroenterology
Context:
- Enterocytes, the primary cells of the intestinal lining, play crucial roles in nutrient absorption and barrier function.
- Isolation of viable enterocytes is essential for studying their physiology and response to various stimuli.
Purpose:
- To evaluate four different media (hyaluronidase, dispase, pronase, and EDTA) for their efficacy in isolating enterocytes from mouse jejunum.
- To characterize the morphological changes in enterocytes following isolation using transmission and scanning electron microscopy.
Summary:
- Four media were tested for isolating jejunal enterocytes from mice, with gentle agitation yielding epithelial layers.
- Further mechanical agitation produced single cells and small groups.
- Electron microscopy revealed similar morphologies across media, except for EDTA-induced endoplasmic reticulum dilation.
- Observed changes included apical surface alterations, loss of lateral surface differentiations, appearance of lateral vacuoles, and formation of basal spherical protrusions, possibly indicating cell shedding.
Impact:
- Provides a comparative analysis of enterocyte isolation techniques, aiding researchers in selecting optimal methods.
- Detailed morphological characterization of isolated enterocytes offers valuable data for cell biology and gastroenterology research.
- The findings contribute to understanding the structural integrity and potential shedding mechanisms of intestinal epithelial cells post-isolation.