scholarly journals The influence of Aloe vera with mesenchymal stem cells from dental pulp on bone regeneration: characterization and treatment of non-critical defects of the tibia in rats

Author(s):  
Isadora Mello Vilarinho SOARES ◽  
Gustavo Vicentis de Oliveira FERNANDES ◽  
Larissa Cordeiro CAVALCANTE ◽  
Yulla Klinger Pereira de Carvalho LEITE ◽  
Dayseanny de Oliveira BEZERRA ◽  
...  
Author(s):  
Arkaitz Mucientes ◽  
Eva Herranz ◽  
Enrique Moro ◽  
Aranzazu González-Corchón ◽  
María Jesús Peña-Soria ◽  
...  

Bone innate ability to repair without scaring is surpassed by major bone damage. Current gold-standard strategies do not achieve a full recovery of bone biomechanical properties. To bypass these limitations, tissue engineering techniques based on hybrid materials made up of osteoprogenitor cells, like mesenchymal stem cells (MSCs), and bioactive ceramic scaffolds, like calcium phosphate-based (CaPs), are promising. Biological properties of the MSCs, are influenced by the tissue source. The aim of this study is to define the MSC source and construct (MSC and scaffold combination) most interesting for its clinical application in bone regeneration. iTRAQ generated the hypothesis that anatomical proximity to bone has a direct effect on MSC phenotype. MSCs were isolated from adipose tissue, bone marrow and dental pulp. MSCs were cultured both on plastic surface and on CaPs (hydroxyapatite and β-tricalcium phosphate) to compare their biological features. On plastic, MSCs isolated from dental pulp (DPSCs) were the MSCs with the highest proliferation capacity and the greatest osteogenic potential. On both CaPs, DPSCs are the MSCs with the greatest capacity to colonize bioceramics. Furthermore, results show a trend for DPSCs are the MSCs with the most robust increase in the ALP activity. We propose DPSCs as a suitable MSCs for bone regeneration cell-based strategies.What do you want to do ?New mailCopy


2019 ◽  
Vol 20 (20) ◽  
pp. 5015 ◽  
Author(s):  
Yu-Chieh Lee ◽  
Ya-Hui Chan ◽  
Sung-Chih Hsieh ◽  
Wei-Zhen Lew ◽  
Sheng-Wei Feng

The bone regeneration efficiency of bone marrow mesenchymal stem cells (BMSCs) and dental pulp mesenchymal stem cells (DPSCs) combined with xenografts in the craniofacial region remains unclear. Accordingly, this study commenced by comparing the cell morphology, cell proliferation, trilineage differentiation, mineral synthesis, and osteogenic gene expression of BMSCs and DPSCs in vitro. Four experimental groups (empty control, Bio-Oss only, Bio-Oss+BMSCs, and Bio-Oss+DPSCs) were then designed and implanted in rabbit calvarial defects. The BMSCs and DPSCs showed a similar morphology, proliferative ability, surface marker profile, and trilineage-differentiation potential in vitro. However, the BMSCs exhibited a higher mineral deposition and expression levels of osteogenic marker genes, including alkaline phosphatase (ALP), runt related transcription factor 2 (RUNX2), and osteocalcin (OCN). In the in vivo studies, the bone volume density in both MSC groups was significantly greater than that in the empty control or Bio-Oss only group. Moreover, the new bone formation and Collagen I / osteoprotegerin protein expressions of the scaffold+MSC groups were higher than those of the Bio-Oss only group. Finally, the Bio-Oss+BMSC and Bio-Oss+DPSC groups had a similar bone mineral density, new bone formation, and osteogenesis-related protein expression. Overall, the DPSCs seeded on Bio-Oss matched the bone regeneration efficacy of BMSCs in vivo and hence appear to be a promising strategy for craniofacial defect repair in future clinical applications.


2019 ◽  
Vol 14 (2) ◽  
pp. 102 ◽  
Author(s):  
AliceK Abdel Aleem ◽  
EmanE.A. Mohammed ◽  
Mohamed El-Zawahry ◽  
Abdel RazikH Farrag ◽  
NahlaN Abdel Aziz ◽  
...  

2008 ◽  
Vol 68 (S 01) ◽  
Author(s):  
S Mohr ◽  
BC Portmann-Lanz ◽  
A Schoeberlein ◽  
R Sager ◽  
DV Surbek

Sign in / Sign up

Export Citation Format

Share Document