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Isolation, Cryopreservation and Culture of Human Amnion Epithelial Cells for Clinical Applications
Published on: December 21, 2014
Rat enterocyte cultures on human amniotic membranes
P Tryphonopoulos1, E M Espana, S C G Tseng
1Department of Surgery , University of Miami School of Medicine, Miami, Florida 33136, USA.
Transplantation Proceedings
|March 31, 2004
Summary
Human amniotic membranes support long-term culture of rat enterocytes, promoting cell survival and proliferation. This method offers a valuable tool for studying intestinal epithelial cell development and properties in vitro.
Area of Science:
- Cell Biology
- Gastroenterology
- Tissue Engineering
Background:
- Rat enterocytes, the cells lining the small intestine, are crucial for nutrient absorption.
- Developing effective in vitro models for studying enterocyte behavior is essential for research.
Purpose of the Study:
- To investigate the efficacy of human amniotic membranes as a substrate for culturing rat enterocytes.
- To determine the long-term viability and characteristics of enterocytes cultured on this matrix.
Main Methods:
- Neonatal rat intestine was digested using collagenase and dispase.
- Isolated enterocytes were cultured on human amniotic membranes using standard cell culture techniques.
- Cell attachment, morphology, proliferation, and survival were monitored over time.
Main Results:
- Enterocyte cultures exhibited varied outcomes, with some units detaching and others showing sustained proliferation.
- A significant portion of cultured enterocytes remained attached and viable for up to 3 weeks.
- Immunohistochemical analysis confirmed the presence of cytokeratin-positive cells forming a monolayer on the membrane.
Conclusions:
- Human amniotic membranes provide a supportive environment for long-term rat enterocyte culture (3 weeks).
- The membrane may secrete trophic factors that promote enterocyte survival and development.
- This technique represents a valuable tool for in vitro research on intestinal epithelial cells.

