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Related Experiment Video

Updated: May 29, 2026

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
09:24

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Published on: October 3, 2014

Tissue engineering a fetal membrane.

Shengli Mi1, Anna L David, Bipasha Chowdhury

  • 1School of Chemistry, Food, and Pharmacy, University of Reading, Reading, United Kingdom.

Tissue Engineering. Part A
|September 17, 2011
PubMed
Summary
This summary is machine-generated.

Researchers engineered an artificial fetal membrane using human amniotic epithelial stem cells and a collagen scaffold. This biomimetic membrane shows potential for treating fetal membrane defects and preventing preterm rupture.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Obstetrics

Background:

  • Preterm premature rupture of the fetal membrane (PPROM) is a major cause of preterm birth.
  • Antenatal interventions can cause structural defects in the amniotic sac.
  • A functional artificial fetal membrane could address these clinical challenges.

Purpose of the Study:

  • To construct a tissue-engineered artificial fetal membrane (FM).
  • To combine human amniotic epithelial stem cells (hAESCs) with a collagen scaffold containing human amniotic stromal fibroblasts (hASFs).
  • To evaluate the potential of this artificial FM for clinical applications.

Main Methods:

  • hAESCs and hASFs were isolated from human fetal amniotic membrane (AM).
  • hAESCs were enriched using magnetic cell sorting (ATP-binding cassette G2 selection).
  • A novel scaffold was created using a dehydrated, compressed type I collagen gel coated with laminin/fibronectin, mimicking native AM properties.

Main Results:

  • hAESCs successfully adhered to and formed a monolayer on the biomimetic collagen scaffold.
  • The engineered artificial membrane exhibited high similarity to normal fetal AM in cell morphology, protein expression, and structure.
  • The scaffold supported hAESC adhesion and differentiation, maintaining cell phenotype comparable to native AM.

Conclusions:

  • A compacted collagen gel scaffold effectively supports hAESC adhesion and differentiation.
  • The developed artificial fetal membrane closely mimics the structure and cell phenotype of native human AM.
  • This engineered tissue holds promise for clinical applications in managing fetal membrane defects and PPROM.