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Creation and Transplantation of an Adipose-derived Stem Cell (ASC) Sheet in a Diabetic Wound-healing Model
Published on: August 4, 2017
Adipose tissue engineering with naturally derived scaffolds and adipose-derived stem cells
Lauren Flynn1, Glenn D Prestwich, John L Semple
1Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ont., Canada.
Biomaterials
|June 5, 2007
Summary
This study explored how scaffolds made from decellularized placenta and crosslinked hyaluronan (XLHA) affect human adipose-derived stem cells (ASC). Results show XLHA scaffolds enhance ASC adipogenic differentiation, offering potential for tissue-engineered adipose substitutes.
Area of Science:
- Biomaterials Science
- Stem Cell Biology
- Tissue Engineering
Background:
- Tissue-engineered adipose substitutes are crucial for plastic and reconstructive surgery.
- Understanding the interaction between adipose-derived stem cells (ASC) and biomaterial scaffolds is essential for developing effective substitutes.
- Naturally derived scaffolds offer promising biocompatibility for regenerative medicine applications.
Purpose of the Study:
- To characterize the in vitro cellular response of primary human ASC to three-dimensional scaffolds.
- To investigate the influence of scaffold composition (decellularized human placenta and crosslinked hyaluronan - XLHA) on ASC behavior.
- To evaluate the potential of these scaffolds for promoting adipogenic differentiation.
Main Methods:
- Primary human ASC were cultured within decellularized placenta and XLHA scaffolds.
- Cellular organization was assessed using confocal microscopy.
- Adipogenic differentiation was induced and evaluated via glycerol-3-phosphate dehydrogenase (GPDH) activity and intracellular lipid accumulation.
Main Results:
- Scaffold composition significantly impacts ASC behavior and cellular organization.
- Adipogenic differentiation of ASC was enhanced within the non-adhesive XLHA scaffolds.
- Glycerol-3-phosphate dehydrogenase (GPDH) activity and lipid accumulation indicated improved differentiation in XLHA gels.
Conclusions:
- The scaffold microenvironment plays a critical role in modulating ASC responses.
- Crosslinked hyaluronan (XLHA) scaffolds demonstrate potential for augmenting adipogenic differentiation of ASC.
- These findings support the development of naturally derived scaffolds for tissue-engineered adipose substitutes in regenerative medicine.
