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https://hdl.handle.net/1822/23863
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Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Mendes, L. F. | - |
dc.contributor.author | Pirraco, Rogério P. | - |
dc.contributor.author | Szymczyk, Wojciech | - |
dc.contributor.author | Santos, T. C. | - |
dc.contributor.author | Frias, A. M. | - |
dc.contributor.author | Reis, R. L. | - |
dc.contributor.author | Marques, A. P. | - |
dc.date.accessioned | 2013-04-30T14:47:39Z | - |
dc.date.available | 2013-04-30T14:47:39Z | - |
dc.date.issued | 2012-09 | - |
dc.identifier.issn | 1932-6254 | por |
dc.identifier.uri | https://hdl.handle.net/1822/23863 | - |
dc.description.abstract | Despite the increased use of cell sheets for tissue engineering, the appli- cation of this new technology for thick tissue reconstruction is being limited by old barriers such as the need to create a pre-vascular net- work to ensure proper nutrient and oxygen supply in vivo. In the pres- ent work, we created a cell sheet-based construct by co-culturing bone marrow-derived osteogenic and pericyte-like cells with human umbili- cal vein endothelial cells (HUVECs) with the purpose of enhancing the in vivo vascularization of newly formed osteogenic tissue. Human bone marrow mesenchymal stromal cells (hBMSCs) were isolated and cul- tured in medium supplemented with osteogenic factors or TGF-b1 to obtain either osteogenic or CD146+ pericyte-like cells. Immunocyto- chemistry analysis of the co-cultures showed organized structures formed by CD146+ hBMSCs and HUVECs over the osteogenic cell sheet, suggesting the existence of cross-talk between the co-cultured cell types. Nude mice were used to test the ability of those constructs to form functional and vascularized osteogenic tissue. Immunohisto- chemistry analysis of cell sheet-based constructs after 1 and 3 weeks of transplantation revealed the integration of HUVECs with neighboring host’s vessels. Additionally, the analysis of the diameter of the blood vessels showed a higher mean diameter for the condition that com- bined pericyte-like cells and HUVECs, reinforcing the advantage of the proposed model regarding blood vessels maturation and stability. | por |
dc.language.iso | eng | por |
dc.publisher | John Wiley and Sons | por |
dc.rights | openAccess | por |
dc.subject | Cell sheets | por |
dc.subject | Endothelial cells | por |
dc.subject | Osteoblasts | por |
dc.subject | Pericytes | por |
dc.title | Pericytes contribute to the stability of the vascular network of osteogenic tissue formed from cell sheet-based constructs | por |
dc.type | conferenceAbstract | - |
dc.peerreviewed | yes | por |
dc.relation.publisherversion | http://onlinelibrary.wiley.com/doi/10.1002/term.1586/abstract | por |
dc.comments | http://www.3bs.uminho.pt/node/17328 | por |
sdum.publicationstatus | published | por |
oaire.citationConferenceDate | Vienna, Austria, 5-8 Setembro 2012 | por |
sdum.event.type | conference | por |
oaire.citationStartPage | 311 | por |
oaire.citationEndPage | 311 | por |
oaire.citationIssue | Suppl. 1 | - |
oaire.citationConferencePlace | 3rd TERMIS World Congress | por |
oaire.citationTitle | Journal of Tissue Engineering and Regenerative Medicine | por |
oaire.citationVolume | 6 | - |
dc.date.updated | 2013-04-10T14:30:15Z | - |
dc.subject.wos | Science & Technology | por |
sdum.journal | Journal of Tissue Engineering and Regenerative Medicine | por |
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Ficheiro | Descrição | Tamanho | Formato | |
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17328-TERMIS2012_RPPirraco.pdf | 292,95 kB | Adobe PDF | Ver/Abrir |