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Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components
Published on: July 11, 2025
Lipoplasty: from body contouring to tissue engineering.
Peter H Ashjian1, Daniel A De Ugarte, Adam J Katz
1Laboratory for Regenerative Bioengineering and Repair, Departments of Surgery and Orthopedics, UCLA School of Medicine, Los Angeles, CA, USA.
Aesthetic Surgery Journal
|April 1, 2009
Summary
Human adipose tissue is a rich source of stem cells, easily obtained through lipoplasty. These stem cells can differentiate into various cell types, offering significant potential for regenerative medicine and tissue engineering applications.
Area of Science:
- Regenerative Medicine
- Tissue Engineering
- Stem Cell Biology
Background:
- Advancements in cell therapy and tissue engineering highlight stem cells as ideal for new tissue development.
- Human adipose tissue presents a promising and accessible source for these crucial stem cells.
Purpose of the Study:
- To review the role of human adipose tissue in stem cell research.
- To describe the procurement of stem cells from the stromal vascular fraction of adipose tissue using suction-assisted lipoplasty.
Main Methods:
- Adipose tissue (lipoaspirate) was processed via suction-assisted lipoplasty.
- Cells were isolated by collagenase digestion and centrifugation.
- The resulting cells were cultured in nondifferentiating media.
Main Results:
- Processing 250-500 mL of tissue yielded 2-6 x 10^8 cells with >95% viability.
- These stem cells demonstrated in vitro differentiation into adipogenic, chondrogenic, myogenic, neurogenic, and osteogenic lineages.
Conclusions:
- Adipose tissue is an abundant, accessible, and safe source for stem cells, positioning plastic surgeons at the forefront of medical research.
- Further research is needed on site-specific fat cell differences, lipoplasty techniques for stem cell procurement, and optimized processing methods.
