Related Experiment Video
Updated: May 11, 2026
11:42
Combination of Microstereolithography and Electrospinning to Produce Membranes Equipped with Niches for Corneal Regeneration
Published on: September 12, 2014
12.5K
The Regenerative Capacity of Tissue-Engineered Amniotic Membranes
Lennart Maljaars1,2, Aksel Gudde1,2, Anel Oosthuysen3
1Department of Obstetrics and Gynecology, Amsterdam UMC location University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
ACS Applied Bio Materials
|February 23, 2024
Summary
Amniotic membrane scaffolds show promise for tissue engineering and wound healing. These biocompatible implants support cell growth and collagen production, aiding reconstructive surgery for conditions like vesicovaginal fistula.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Scaffolds are crucial for reconstructive surgery and wound healing.
- Amniotic membranes (AMs) are promising biomaterials for tissue engineering due to their regenerative capacity, biocompatibility, and ability to promote scarless healing.
Purpose of the Study:
- To develop and evaluate a tissue-engineered amniotic membrane (AM)-based implant for vesicovaginal fistula (VVF) repair.
- To assess the impact of cross-linking and poly-4-hydroxybutyrate (P4HB) incorporation on AM scaffold functionality.
Main Methods:
- Multilayer scaffolds were constructed using AMs (cross-linked or un-cross-linked) and P4HB, joined with fibrin glue.
- Human vaginal fibroblasts were cultured on these constructs for 28 days.
- Evaluated cell proliferation, morphology, collagen deposition, and matrix metalloproteinase (MMP) activity.
Main Results:
- Vaginal fibroblasts exhibited proliferation and metabolic activity on all AM-based constructs.
- Similar collagen production and cell proliferation were observed across different groups.
- Un-cross-linked constructs showed slightly better cell morphology and collagen organization.
Conclusions:
- The regenerative capacity of AMs is not negatively impacted by mechanical reinforcement (cross-linking) or the addition of P4HB and fibrin glue.
- AM-based implants are suitable for VVF repair and can be translated to other internal organ reconstructive surgeries requiring load-bearing functionality.
