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Vol. 24, No. 3-4, 2009
Issue release date: 2009
Section title: Original Paper
Cell Physiol Biochem 2009;24:283–290
(DOI:10.1159/000233253)

LNGFR Induction During Osteogenesis of Human Jaw Periosteum-derived Cells

Alexander D.1 · Schäfer F.1 · Munz A.1 · Friedrich B.2 · Klein C.3 · Hoffmann J.1 · Bühring H.-J.4 · Reinert S.1
1Department of Oral and Maxillofacial Surgery, University Hospital Tübingen,2Department of Internal Medicine IV, University Hospital Tübingen,3Department of Conservative Dentistry, University Hospital Tübingen,4Department of Internal Medicine II, University Hospital Tübingen

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Abstract

Isolated jaw periosteum-derived cells (JPCs) comprise a morphologically heterogeneous population. There are no known specific surface markers that are able to distinguish between progenitors and cells of other tissue types. The aim of our study was to identify differentiation markers as predictors of JPC mineralization capacity. JPCs underwent osteogenic differentiation after cultivation in osteogenic medium containing known activators. By FACS analysis, we found the low affinity nerve growth factor receptor (LNGFR–CD271) to be induced during the first five days of osteogenesis and that it was expressed at higher levels in mineralizing JPCs (mJPCs) in comparison to non-mineralizing JPCs (nmJPCs). Similar results were obtained by semi-quantitative immunohistochemical stainings and western blot analyses. Quantitative real-time PCR results showed significantly higher LNGFR and alkaline phosphatase transcript levels in mJPCs compared to nmJPCs. LNGFR is a differentiation marker that distinguishes between mineralizing JPCs and non-mineralizing JPCs during the first phase of osteogenesis and can therefore be considered an early surface marker of osteogenic capacity in vitro.

© 2009 S. Karger AG, Basel


  

Author Contacts

Dr. Dorothea Alexander, PhD
Oral and Maxillofacial Surgery, University Hospital Tübingen
Osianderstr. 2-8, 72076 Tübingen (Germany)
Tel. +49-7071-2982418, Fax: +49-7071-294365
E-Mail dorothea.alexander@med.uni-tuebingen.de

  

Article Information

Accepted: June 02, 2009
Published online: August 03, 2009
Number of Print Pages : 8

  

Publication Details

Cellular Physiology and Biochemistry (International Journal of Experimental Cellular Physiology, Biochemistry andPharmacology)

Vol. 24, No. 3-4, Year 2009 (Cover Date: 2009)

Journal Editor: F. Lang, Tübingen
ISSN: 1015–8987 (Print), eISSN: 1421–9778 (Online)

For additional information: http://www.karger.com/journals/cpb


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Accepted: 6/2/2009
Published online: 8/3/2009
Issue release date: 2009

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0

ISSN: 1015-8987 (Print)
eISSN: 1421-9778 (Online)

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


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