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Innovative Adipose Tissue Fractionation for Transforming Fat into Specialized Components

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Soft tissue augmentation using in vitro differentiated adipocytes: a clinical pilot study.

Seong-Ho Jeong¹, Seung-Kyu Han, Woo-Kyung Kim

¹Department of Plastic Surgery, Korea University Guro Hospital, Seoul, Korea.

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [Et Al.]

|May 25, 2011

Summary

This study shows that an injectable filler made from lab-grown fat cells effectively augments soft tissue. The tissue-engineered filler provides a well-maintained volume increase with no complications in patients undergoing soft tissue augmentation.

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Area of Science:

Regenerative Medicine
Tissue Engineering
Adipose Tissue Engineering

Background:

Commercially available fillers often require repeat injections due to variable resorption.
A novel injectable filler using in vitro differentiated adipocytes has been developed.
Pre-clinical studies confirmed its potential for enhancing in vivo adipose tissue formation.

Purpose of the Study:

To evaluate the clinical efficacy of an injectable adipocyte filler for soft tissue augmentation.
To assess the safety and long-term maintenance of volume enhancement.
To determine patient-reported outcomes for this novel regenerative approach.

Main Methods:

Autologous adipose-derived stromal cells were isolated, cultured, and differentiated into adipocytes in vitro.

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Repair of a Critical-sized Calvarial Defect Model Using Adipose-derived Stromal Cells Harvested from Lipoaspirate

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The differentiated adipocytes were suspended in medium and injected for soft tissue augmentation.

Eight patients received the tissue-engineered filler, with follow-up exceeding 1 year.

Main Results:

Subcutaneous tissue volume increased within 1-5 weeks post-injection.
The augmented volume remained stable without further changes.
All patients reported clinical effectiveness, and no adverse events were observed.

Conclusions:

The injectable adipocyte filler is well-tolerated and effective for soft tissue augmentation.
This tissue-engineered approach offers a promising alternative to traditional fillers.
The method demonstrates sustained results and a favorable safety profile.