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Updated: Jun 3, 2026
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In Vitro Culture of Epithelial Cells from Different Anatomical Regions of the Human Amniotic Membrane
Published on: November 28, 2019
Hepatic differentiation of amniotic epithelial cells
Fabio Marongiu1, Roberto Gramignoli, Kenneth Dorko
1Department of Pathology, University of Pittsburgh, Pittsburgh, PA, USA.
Hepatology (Baltimore, Md.)
|March 5, 2011
Summary
Human amniotic epithelial cells (hAECs) can transform into functional hepatocytes. These cells offer a promising, readily available cell source for liver disease transplantation therapies.
Area of Science:
- Stem Cell Biology
- Hepatology
- Regenerative Medicine
Background:
- Hepatocyte transplantation for liver disease is limited by cell availability.
- Human amniotic epithelial cells (hAECs) share characteristics with embryonic stem cells.
- hAECs can differentiate into endodermal tissues, including liver cells.
Purpose of the Study:
- To investigate hAEC differentiation into hepatocyte-like cells in vitro and in vivo.
- To assess the potential of rat amniotic epithelial cells (rAECs) for liver repopulation.
Main Methods:
- hAECs were cultured with extracellular matrix proteins and growth factors.
- Differentiation was assessed by marker expression and metabolic function.
- Cells were transplanted into immunodeficient mice and syngenic models with liver injury.
Main Results:
- In vitro, hAECs differentiated into hepatocyte-like cells expressing mature liver markers and functions.
- Transplanted hAECs and rAECs differentiated into functional hepatocytes in vivo.
- These cells expressed key hepatic genes and proteins comparable to native liver tissue.
Conclusions:
- Amniotic epithelial cells can differentiate into functional hepatocytes.
- These cells represent a viable, non-controversial source for cell-based liver therapies.
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