Effects of co-culture of dental pulp stem cells and periodontal ligament stem cells on assembled dual disc scaffolds

2014 ◽  
Vol 11 (1) ◽  
pp. 47-58 ◽  
Author(s):  
Je-Duck Suh ◽  
Ki Taek Lim ◽  
Hexiu Jin ◽  
Jangho Kim ◽  
Pill-Hoon Choung ◽  
...  
2020 ◽  
Vol 14 (1) ◽  
pp. 196-202
Author(s):  
Devy Garna ◽  
Manmeet Kaur ◽  
Francis J Hughes ◽  
Mandeep Ghuman

Background: Periodontal ligament stem cells are a source of mesenchymal stem cells, but it is unclear whether their phenotype is distinct from mesenchymal stem cells derived from different tissues, such as those derived from bone marrow. Objective: To investigate the expression of the putative PDL markers asporin, periostin, nestin and cementum protein 1, by periodontal ligament stem cells both constitutively and during osteogenic differentiation when compared to bone marrow-derived mesenchymal stem cells, and dental pulp stem cells. Methods: The primary human periodontal ligament, bone marrow, and dental pulp stem cells, and osteoblasts from different donors were cultured in vitro. The expression of periodontal marker associated genes during osteogenic induction was tested by qRT-PCR and immunofluorescence staining. Results: Asporin expression was detected in periodontal ligament stem cells and increased markedly during the time in culture (upregulated x53 fold at 21 days post-induction). During osteogenic differentiation, asporin expression significantly decreased in periodontal ligament cells whereas periostin significantly decreased in dental pulp cells. Periostin expression was absent in osteoblasts, but expression gradually increased in all other cells with time in culture. Nestin expression was mainly seen in the periodontal ligament and dental pulp cells and was largely absent in osteoblasts and bone marrow cells. Cementum protein-1 was most highly expressed in bone marrow cells and osteoblasts following osteogenic induction. Conclusions: The results provide further evidence that periodontal ligament-derived and bone marrow derived mesenchymal stem cells are phenotypically distinct. Periodontal markers are also expressed in dental pulp stem cells.


2020 ◽  
Vol 52 (9) ◽  
pp. 1016-1029
Author(s):  
Tingting Wu ◽  
Wanting Xu ◽  
Hanlin Chen ◽  
Shasha Li ◽  
Rengang Dou ◽  
...  

Abstract Recent studies have reported an increasing incidence of ischemic stroke, particularly in younger age groups. Dental pulp stem cells (DPSCs) and periodontal ligament stem cells (PDLSCs) are the most common stem cells acquired from the teeth of adults, even elderly people. However, there are no detailed reports on whether DPSCs or PDLSCs are suitable for the treatment of ischemic stroke. In this study, the in vitro differentiation of DPSCs and PDLSCs into neuron-like cells was evaluated. Then, we established a rat model of cerebral ischemia. DPSCs or PDLSCs were administered to animals, and the therapeutic effects of these two types of cells were investigated. The results showed that PDLSCs had a higher differentiation rate than DPSCs. Immunofluorescence studies showed that the expression of the neuronal differentiation marker Thy-1 was higher in PDLSCs than in DPSCs, and other gene markers of neuronal differentiation showed corresponding trends, which were confirmed by western blot analysis. In this process, the Notch and Wnt signaling pathways were inhibited and activated, respectively. Finally, rats with transient occlusion of the right middle cerebral artery were used as a model to assess the therapeutic effect of PDLSCs and DPSCs on ischemia. The results showed that rats in the PDLSC-treated group emitted significantly greater red fluorescence signal than the DPSC-treated group. PDLSC transplantation promoted the recovery of neurological function more effectively than DPSC transplantation. Hence, PDLSCs represent an autogenous source of adult mesenchymal stem cells with desirable biological properties and may be an ideal candidate for clinical applications.


2021 ◽  
Vol 11 (8) ◽  
pp. 738
Author(s):  
Melissa D. Mercado-Rubio ◽  
Erick Pérez-Argueta ◽  
Alejandro Zepeda-Pedreguera ◽  
Fernando J. Aguilar-Ayala ◽  
Ricardo Peñaloza-Cuevas ◽  
...  

Dental tissue-derived mesenchymal stem cells (DT-MSCs) are a promising resource for tissue regeneration due to their multilineage potential. Despite accumulating data regarding the biology and differentiation potential of DT-MSCs, few studies have investigated their adipogenic capacity. In this study, we have investigated the mesenchymal features of dental pulp stem cells (DPSCs), as well as the in vitro effects of different adipogenic media on these cells, and compared them to those of periodontal ligament stem cells (PLSCs) and dental follicle stem cells (DFSCs). DFSC, PLSCs, and DPSCs exhibit similar morphology and proliferation capacity, but they differ in their self-renewal ability and expression of stemness markers (e.g OCT4 and c-MYC). Interestingly, DFSCs and PLSCs exhibited more lipid accumulation than DPSCs when induced to adipogenic differentiation. In addition, the mRNA levels of adipogenic markers (PPAR, LPL, and ADIPOQ) were significantly higher in DFSCs and PLSCs than in DPSCs, which could be related to the differences in the adipogenic commitment in those cells. These findings reveal that the adipogenic capacity differ among DT-MSCs, features that might be advantageous to increasing our understanding about the developmental origins and regulation of adipogenic commitment.


2015 ◽  
Vol 41 (9) ◽  
pp. 1462-1468 ◽  
Author(s):  
Yoonsun Cha ◽  
Mijeong Jeon ◽  
Hyo-Seol Lee ◽  
Seunghye Kim ◽  
Seong-Oh Kim ◽  
...  

2020 ◽  
Vol 8 (12) ◽  
Author(s):  
Jéssica Gomes Alcoforado de Melo ◽  
Diego Moura Soares

As pesquisas com células-tronco, seja de origem dental ou não, vêm crescendo na área da odontologia nos últimos anos em decorrência das possibilidades terapêuticas que a utilização desse tipo celular oferece. Este estudo visa demonstrar um panorama brasileiro das pesquisas com células-tronco realizadas no país por pesquisadores da área da odontologia nos anos de 2014 até 2018, com base nos anais de trabalhos apresentados nas Reuniões Anuais da Sociedade Brasileira de Pesquisa Odontológica (SBPqO). Foi analisado aspectos como tipo de instituição, se as pesquisas foram financiadas e qual a agencia de fomento, tipo de estudo, estado e região que desenvolveu a pesquisa, tipo de célula e fonte da célula-tronco utilizada. Foram analisados um total de 15,214 resumos, deste total 96 estudos foram incluídos por se enquadrarem com os critérios de inclusão. A região Sudeste foi responsável por 65,7% dessa produção. As pesquisas realizadas nas instituições estaduais representaram 42,7% da produção nacional e 59,4% dos trabalhos foram financiados. As células-tronco humanas foram o tipo mais utiilizado, especialmente as originadas da polpa dentária (25%). Conclui-se que há uma escassez da produção científica voltada para as células-tronco na odontologia, bem como a necessidade de descentralização dessa produção nas demais regiões brasileiras.Descritores: Células-Tronco; Odontologia; Pesquisa em Odontologia.ReferênciasGronthos S, Mankani M, Brahim J, Robey PG, Shi S. Postnatal human dental pulp stem cells (DPSCs) in vitro and in vivo. Proc Natl Acad Sci USA.2000;97(25):13625-630.Freshney IR, Stacey GN, Aurebach JM. Culture of human stem cells: culture of specialized cells. New York: Wisley-Liss; 2007.Serakinci N, Keith WN. Therapeutic potential of adult stem cells. Eur J Cancer.2006;42(9):1243-46.Bianco P, Riminucci M, Gronthos S, Robey PG. Bone marrow stromal stem cells: nature, biology, and potential applications. Stem Cells.. 2001;19(3):180-92.Mvula B, Mathope T, Moore T, Abrahamse H. The effect of low-level laser irradiation on adult human adipose-derived stem cells. Lasers Med Sci. 2008;23(3):277-82.Kern S, Eichler H, Stoeve J, Klüter H, Bieback K. Comparative analysis of mesenchymal stem cells from bone marrow, umbilical cord blood, or adipose tissue. Stem Cells. 2006; 24(5):1294-301.Slack JM. Stem cell in epithelial tissue. Science. 2000; 287:1431-33.Miura M, Gronthos S, Zhao M, Lu B, Fisher LW, Robey PG et al. SHED: stem cells from human exfoliated deciduous teeth. Proc Natl Acad Sci USA.2003; 100(10):5807-12.Chen SC, Marino V, Gronthos S, Bartold PM. Location of putative stem cells in human periodontal ligament. J Periodontal Res. 2006; 41(6):547-53.Nuti N, Corallo C, Chan BMF, Ferrari M, Gerami-Naini B. Multipotent differentiation of human dental pulp stem cells: a literature review. Stem Cell Rev. 2016;12(5):511-523.Barboza CAG, Ginani F, Soares DM, Henrique ACG, Freitas RA. Low-level laser irradiation induces in vitro proliferation of mesenchymal stem cells. Einstein (São Paulo) 2014;12(1):75-81.Soares DM, Ginani F, Henriques AG, Barboza CAG. Effects of laser therapy on the proliferation of human periodontal ligament stem cells. Lasers Med Sci. 2015;30(3):1171-74.Ginani F, Soares DM, Rabêlo LM, Rocha HAO, Souza LB, Barboza CAG. Effect of a cryopreservation protocol on the proliferation of stem cells from human exfoliated deciduous teeth. Acta Odontol Scand. 2016;74(8):598-604.Maciel MMSA, Silva KBN, Melo JGA, Soares DM. Metodologia ativa aplicada ao ensino odontológico: um panorama nacional a partir de um estudo bibliométrico. Arch Health Invest. 2019;8(2):74-78.Melo NB, Fernandes Neto JA, Catão MHCV, Bento PM. Metodologia da Problematização e Aprendizagem Baseada em Problemas na Odontologia: análise bibliométrica dos trabalhos apresentados nas Reuniões da SBPqO. Revista da ABENO 2017;17(2):60-7.Xavier AFC, Silva ALO, Cavalcanti AL. Análise da produção científica em Odontologia no nordeste brasileiro com base em um congresso odontológico. Arq Odontol.2011;47(3):127-34.Aquino SN, Martelli DR, Bonan PRF, Laranjeira AL, Martelli Júnior H. Produção  científica odontológica e relação com agências de financiamento de pesquisa. Arq Odontol. 2009; 45(3):142-46.Pontes KT, Silva EL, Macedo Filho RA, Silva DR, Lima FJ. Estudo bilbiométrico da produção científica em endodontia. Arch Health Invest. 2017;6(9):435-38.Soares DM, Maciel MMSA, Figueiredo-Filho A, Melo JGA. Brazilian scientific production in periodontics: a national panorama from a bibliometric study. Rev Clin Periodoncia Implantol Rehabil Oral. 2019;12(2):66-9.Taumaturgo VM, Vasques EFL, Figueiredo VMG. A Importância Da  Odontologia Nas Pesquisas  Em Células-Tronco. Rev Bahiana Odontol. 2016;7(2):166-71.Primo BT, Grazziotin-Soares R, Bertuzzi D, Claudy MP, Hernandez PAG, Fontanella VRC. Produção científica da ULBRA: análise do número e do delineamento das pesquisas publicadas nos suplementos da Brazilian Oral Research (SBPqO). Stomatos. 2010;16(31):69-76.Zorzanelli RT, Speroni AV, Menezes RA, Leibing A. Pesquisa com células-tronco no Brasil: a produção de um novo campo científico. Hist ciênc saúde-Manguinhos 2017;24(1):129-44.Lan X, Sun Z, Chu C, Boltze J, Li S. Dental Pulp Stem Cells: An Attractive Alternative for Cell Therapy in Ischemic Stroke. Front Neurol. 2019;10:824.Aydin S, Sahin F. Stem cells derived from dental tissues. Adv Exp Med Biol. 2019;1144:123-32.


2013 ◽  
Vol 39 (4) ◽  
pp. 433-443 ◽  
Author(s):  
Afshin Khorsand ◽  
Mohamadreza Baghaban Eslaminejad ◽  
Mohadeseh Arabsolghar ◽  
Mojghan Paknejad ◽  
Baharak Ghaedi ◽  
...  

This study aimed to investigate effects of dental pulp stem cells (DPSCs) on regeneration of a defect experimentally created in the periodontium of a canine model. Surgically created mesial 3-walled periodontal defects with ligature-induced periodontitis were produced bilaterally in the first lower premolar teeth of 10 mongrel dogs. Simultaneously, DPSCs were derived from the maxillary premolar teeth of the same dogs. Four weeks after creation of the periodontitis model, autologous passaged-3 DPSCs combined with Bio-Oss were implanted on one side as the test group. On the other side, only Bio-Oss was implanted as a control. Eight weeks after surgery, regeneration of the periodontal defects was evaluated histologically and histomorphometrically in terms of bone, periodontal ligament (PDL), and cement formation. Histologically, in all test specimens (10 defects), regeneration of cementum, bone, and PDL was observed. In the control groups, although we observed the regeneration of bone in all defects, the formation of cementum was seen in 9 defects and PDL was seen in 8 defects. Histomorphometric analyses showed that the amount of regenerated cementum and PDL in the test groups (3.83 ± 1.32 mm and 3.30 ± 1.12 mm, respectively) was significantly higher than that of the control groups (2.42 ± 1.40 mm and 1.77±1.27 mm, respectively; P < .05). A biocomplex consisting of DPSCs and Bio-Oss would be promising in regeneration of periodontal tissues.


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