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Original Paper

Comparison of Viable Cell Yield from Excised versus Aspirated Adipose Tissue

von Heimburg D.a · Hemmrich K.a · Haydarlioglu S.a · Staiger H.b · Pallua N.a

Author affiliations

aDepartment of Plastic Surgery and Hand Surgery, Burn Center, University Hospital, Aachen University of Technology, Aachen, and bDepartment of Internal Medicine IV, Eberhard Karls University Tübingen, Tübingen, Germany

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Cells Tissues Organs 2004;178:87–92

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: August 03, 2004
Published online: December 13, 2004
Issue release date: December 2004

Number of Print Pages: 6
Number of Figures: 1
Number of Tables: 1

ISSN: 1422-6405 (Print)
eISSN: 1422-6421 (Online)

For additional information: http://www.karger.com/CTO

Abstract

The correction of soft-tissue defects by adipose tissue transplantation often produces poor and unpredictable results. The implantation of isolated and cultured preadipocytes offers a solution to this problem since these cells differentiate into adipocytes when implanted in vivo. A field of major interest is to maximize the yield of preadipocytes isolated from adipose tissue showing only low contamination with other cell types. Aspiration and excision are two concurrent clinical ways of harvesting adipose tissue for the isolation of preadipocytes. This tissue is usually discarded after surgery. In this study, the yield of preadipocytes obtained from liposuction material was compared to that of excised adipose tissue. Furthermore, we determined the loss of precursor cells if isolation of preadipocytes was delayed for 24 h. Preadipocytes were isolated from the stromal cell fraction of human subcutaneous adipose tissue samples. Harvesting of adipose tissue by suction was performed according to the Coleman procedure (manually applied negative pressure using a 10-ml syringe with a blunt tip cannula). Isolation was either carried out within 60 min after extraction or after storage for 24 h in culture medium at 4°C. Isolated preadipocytes were cultured for 24 h, trypsinized and counted in a Neubauer chamber. Our results show clearly that the yield of preadipocytes isolated from liposuction material (within 60 min after extraction and after 24 h of storage) is higher than the cell yield from excised adipose tissue. Overnight storage for 24 h leads to a significant loss of preadipocytes in excised tissue but not in liposuction material. The high yield of cells isolated from liposuction material proves that extraction by suction does not damage the stromal cell fraction in the adipose tissue. If cell isolation is not performed immediately after the operation, liposuction material is clearly the better alternative for storage.


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: August 03, 2004
Published online: December 13, 2004
Issue release date: December 2004

Number of Print Pages: 6
Number of Figures: 1
Number of Tables: 1

ISSN: 1422-6405 (Print)
eISSN: 1422-6421 (Online)

For additional information: http://www.karger.com/CTO


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