Characterization of a migrative subpopulation of adult human nasoseptal chondrocytes with progenitor cell features and their potential for in vivo cartilage regeneration strategies

被引:34
作者
Elsaesser, A. F. [1 ]
Schwarz, S. [1 ]
Joos, H. [2 ]
Koerber, L. [3 ]
Brenner, R. E. [2 ]
Rotter, N. [1 ]
机构
[1] Univ Ulm, Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, D-89075 Ulm, Germany
[2] Univ Ulm, Dept Orthoped, Div Biochem Joint & Connect Tissue Dis, D-89075 Ulm, Germany
[3] Univ Erlangen Nurnberg, Inst Bioproc Engn, Dept Chem & Biol Engn, D-91054 Erlangen, Germany
关键词
Migrative chondrocyte subpopulation; Chondrogenic progenitor cells; Mesenchymal stem cells; Human nasal septum; Decellularized extracellular matrix; Tissue engineering; Migration; MESENCHYMAL STEM-CELLS; BONE-MARROW; ARTICULAR-CARTILAGE; ADIPOSE-TISSUE; OSTEOARTHRITIC CARTILAGE; NASAL; IDENTIFICATION; RECONSTRUCTION; ASSAY; DIFFERENTIATION;
D O I
10.1186/s13578-016-0078-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Background: Progenitor cells display interesting features for tissue repair and reconstruction. In the last years, such cells have been identified in different cartilage types. In this study, we isolated a migrative subpopulation of adult human nasoseptal chondrocytes with progenitor cell features by outgrowth from human nasal septum cartilage. These putative progenitor cells were comparatively characterized with mesenchymal stem cells (MSC) and human nasal septum chondrocytes with respect to their cellular characteristics as well as surface marker profile using flow cytometric analyses. Differentiation capacity was evaluated on protein and gene expression levels. Results: The migrative subpopulation differentiated into osteogenic and chondrogenic lineages with distinct differences to chondrocytes and MSC. Cells of the migrative subpopulation showed an intermediate surface marker profile positioned between MSC and chondrocytes. Significant differences were found for CD9, CD29, CD44, CD90, CD105 and CD106. The cells possessed a high migratory ability in a Boyden chamber assay and responded to chemotactic stimulation. To evaluate their potential use in tissue engineering applications, a decellularized septal cartilage matrix was either seeded with cells from the migrative subpopulation or chondrocytes. Matrix production was demonstrated immunohistochemically and verified on gene expression level. Along with secretion of matrix metalloproteinases, cells of the migrative subpopulation migrated faster into the collagen matrix than chondrocytes, while synthesis of cartilage specific matrix was comparable. Conclusions: Cells of the migrative subpopulation, due to their migratory characteristics, are a potential cell source for in vivo regeneration of nasal cartilage. The in vivo mobilization of nasal cartilage progenitor cells is envisioned to be the basis for in situ tissue engineering procedures, aiming at the use of unseeded biomaterials which are able to recruit local progenitor cells for cartilage regeneration.
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页数:15
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