Journal
JOURNAL OF CRANIOFACIAL SURGERY
Volume 27, Issue 3, Pages 631-635Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SCS.0000000000002589
Keywords
Fat graft; laser-assisted liposuction; stem cell
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Objective: The aim of the present study was to evaluate the viability and proliferative capacity of adipose-derived stem cells obtained by laser-assisted liposuction (LAL). Methods: Fat tissue was obtained from 7 male patients treated surgically for gynecomastia. On one side, harvesting was made before LAL, while it was implemented after LAL on the contralateral side. Viability, cell surface antigens, pluripotency, and apoptosis were assessed and compared in these samples. Results: Cells harvested before and after LAL did not exhibit any significant difference in terms of surface cellmarkers. Number of viable stem cells was lower initially after exposure to laser, while this difference was reversed at the end of 72 hours. Genetic indicators of cellular differentiationwere similar in both groups. Apoptosis indicators were increased remarkably after laser exposure in the first 24 hours, but this increase was absent 72 hours after LAL procedure. Conclusion: The authors' results have promising clinical relevance since mesenchymal stem cells harvested during LAL have maintained appropriate cellular features to be used for autologous fat transfer and fat grafting.
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