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Table of Contents
Vol. 182, No. 1, 2006
Issue release date: April 2006
Section title: Original Paper
Cells Tissues Organs 2006;182:1–11
(DOI:10.1159/000091713)

Characterization of Osteogenically Induced Adipose Tissue-Derived Precursor Cells in 2-Dimensional and 3-Dimensional Environments

Leong D.T.a · Khor W.M.b · Chew F.T.a · Lim T.-C.e · Hutmacher D.W.c, d
aDepartment of Biological Sciences, bDepartment of Mechanical Engineering, cDivision of Bioengineering and dDepartment of Orthopedic Surgery, National University of Singapore and eDivision of Plastic Surgery, National University Hospital, Singapore, Singapore

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: December 16, 2005
Published online: April 20, 2006
Issue release date: April 2006

Number of Print Pages: 11
Number of Figures: 5
Number of Tables: 1

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

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

Abstract

Earlier reports on a putative precursor cell population in adipose tissue showed differentiation along several mesodermal lineages, leading some to think that adipose tissue can be a source of cells applicable in regenerative medicine. However, characterizations of these adipose-derived precursor cells (ADPC) in the 3-dimensional (3-D) environment, especially within the area of bone-specific composite scaffolds, have been lacking. In this study, ADPC plated on culture flasks or seeded on medical grade polycaprolactone-tricalcium phosphate scaffolds (mPCL-CaP) were able to differentiate along the osteogenic lineages in both 2-D and 3-D environments as assessed with immunohistochemistry of osteo-related proteins, reverse transcriptase-polymerase chain reactions and alkaline phosphatase assay. The mPCL-CaP scaffolds provided adipose-derived cells (ADC) with a suitable environment as determined by DNA and metabolic assays, light, confocal and scanning electron microscopy. Flow cytometry revealed ADC to be CD29+, CD44+, CD73+, CD90+ and CD14–, CD31–, CD34–, CD45–, CD71–, and therefore showed the absence of hematopoietic stem cells but possibly the presence of pericytes and mescenchymal stem cells with osteogenic potential. The results of this study demonstrated the potential of using ADPC in combination with mPCL-CaP scaffolds for bone regenerative medicine.

© 2006 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: December 16, 2005
Published online: April 20, 2006
Issue release date: April 2006

Number of Print Pages: 11
Number of Figures: 5
Number of Tables: 1

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

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


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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