Stem Cells Derived from Human Exfoliated Deciduous teeth [shed] in Neuronal Disorders: A Review

2020 ◽  
Vol 16 ◽  
Author(s):  
Minu Anoop ◽  
Indrani Datta
Keyword(s):  
Stem Cells ◽  
Neurodegenerative Diseases ◽  
Dental Pulp ◽  
Therapeutic Potential ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Proliferative Potential ◽  
Pulp Tissue ◽  
Human Exfoliated Deciduous Teeth

: Most conventional treatments for neurodegenerative diseases fail due to their focus on neuroprotection rather than neurorestoration. Stem cell‐based therapies are becoming a potential treatment option for neurodegenerative diseases as they can home in, engraft, differentiate and produce factors for CNS recovery. Stem cells derived from human dental pulp tissue differ from other sources of mesenchymal stem cells due to their embryonic neural crest origin and neurotrophic property. These include both dental pulp stem cells [DPSCs] from dental pulp tissues of human permanent teeth and stem cells from human exfoliated deciduous teeth [SHED]. SHED offer many advantages over other types of MSCs such as good proliferative potential, minimal invasive procurement, neuronal differentiation and neurotrophic capacity, and negligible ethical concerns. The therapeutic potential of SHED is attributed to the paracrine action of extracellularly released secreted factors, specifically the secretome, of which exosomes is a key component. SHED and its conditioned media can be effective in neurodegeneration through multiple mechanisms, including cell replacement, paracrine effects, angiogenesis, synaptogenesis, immunomodulation, and apoptosis inhibition, and SHED exosomes offer an ideal refined bed-to-bench formulation in neurodegenerative disorders. However, in spite of these advantages, there are still some limitations of SHED exosome therapy, such as the effectiveness of long-term storage of SHED and their exosomes, the development of a robust GMP-grade manufacturing protocol, optimization of the route of administration, and evaluation of the efficacy and safety in humans. In this review, we have addressed the isolation, collection and properties of SHED along with its therapeutic potential on in vitro and in vivo neuronal disorder models as evident from the published literature.

scholarly journals In vitro histomorphometric comparison of dental pulp tissue in different teeth

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e8212
Author(s):  
Marytere Guerrero-Jiménez ◽  
Geovanny I. Nic-Can ◽  
Nelly Castro-Linares ◽  
Fernando Javier Aguilar-Ayala ◽  
Michel Canul-Chan ◽  
...  
Keyword(s):  
Stem Cells ◽  
Cell Density ◽  
Dental Pulp ◽  
Pearson Correlation ◽  
Third Molar ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Pulp Tissue ◽  
Valuable Source

Background Dental pulp (DP) represents an accessible and valuable source promising of stem cells for clinical application. However, there are some disadvantages associated with the isolation of dental pulp stem cells (DPSCs), which include the size and weight of the pulp tissue needed to yield sufficient cells for culturing in vitro. Therefore, the objective of this study was to compare in vitro histomorphometry of DP from permanent (premolars, third molar), supernumerary and deciduous teeth of patients between 5 and 25 years old with regards to weight, length, width and the cell density in the four regions of the DP in order to obtain quantitative parameters in a tissue that represents a valuable source of stem cells. Methods DPs were obtained from 10 central incisors deciduous, 20 permanent teeth (10 premolars, 10 third molars) and 10 supernumeraries (six mesiodents and four inferior premolar shapes). The pulps were carefully removed, and the entire tissue was weighed. The pulp length and the width were measured with a digital Vernier caliper. The cellular density analysis was performed according to the four regions of the DP (coronal, cervical, medial and apical) in histological slides using photography and the ImageJ® program for quantification. Results The Pearson correlation test revealed that DP weight among different types of teeth is correlated with age in male patients. A significant positive correlation was noted between length and width of the DP with age in both genders. The mean DP weight for supernumerary and third molar teeth was greater than deciduous and premolar teeth. Finally, the histological analysis showed that the coronal and apical portions of DP in supernumerary and premolar teeth have the highest cell density. Conclusions The DP of supernumerary teeth has quantitatively the best morphometric parameters and cell density comparable with the quality of DP obtained from deciduous teeth.

scholarly journals Isolation and culture of dental pulp stem cells from permanent and deciduous teeth

2019 ◽  
Vol 35 (4) ◽  
Author(s):  
Shagufta Naz ◽  
Farhan Raza Khan ◽  
Raheela Rahmat Zohra ◽  
Sahreena Salim Lakhundi ◽  
Mehwish Sagheer Khan ◽  
...  
Keyword(s):  
Stem Cells ◽  
Dental Pulp ◽  
Dental Pulp Stem Cells ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Tooth Pulp ◽  
Human Teeth ◽  
Creative Commons ◽  
Calcified Tissue

Objective: To isolate dental pulp mesenchymal stem cells (MSCs) from non-infected human permanent and deciduous teeth. Methods: It was an in-vitro experimental study. Human teeth were collected from 13 apparently healthy subjects including nine adults and four children. After decoronation dental pulps were extirpated from teeth and cultured via explant method in a stem cell defined media. Data was analyzed by descriptive statistics. Results: As above MSCs emerged exhibiting fibroblast-like morphology. In vitro culture was positive for 100% (9/9) and 75% (3/4) of the permanent and deciduous teeth respectively. First cell appeared from deciduous teeth pulp in 10±6.2 days while permanent teeth pulp took 12.4±3.7 days. Together, 26.6±3.6 and 24.5±3.5 days were required for permanent and deciduous tooth pulp stem cells to be ready for further assays. Conclusions: The protocol we developed is easy and consistent and can be used to generate reliable source of MScs for engineering of calcified and non-calcified tissue for regenerative medicine approaches. doi: https://doi.org/10.12669/pjms.35.4.540 How to cite this:Naz S, Khan FR, Zohra RR, Lakhundi SS, Khan MS, Mohammed N, et al. Isolation and culture of dental pulp stem cells from permanent and deciduous teeth. Pak J Med Sci. 2019;35(4):---------. doi: https://doi.org/10.12669/pjms.35.4.540 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

scholarly journals Therapeutic applications of stem cells from human exfoliated deciduous teeth: a review

2020 ◽  
Vol 8 (9) ◽  
pp. 3413
Author(s):  
Mani Baweja
Keyword(s):  
Stem Cells ◽  
Animal Studies ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Oral Diseases ◽  
Dental Stem Cells ◽  
Medline Search ◽  
Therapeutic Applications ◽  
Human Exfoliated Deciduous Teeth

Dental stem cells have been found to have the ability to differentiate into nerve cells, adipose cells, chondrocytes, osteoblasts, myocytes, hepatocytes, and odontoblasts. They can be derived from permanent teeth or deciduous teeth. Stem cells from human exfoliated deciduous teeth (SHED) have a higher proliferation rate and higher osteogenic and neurogenic potential than dental pulp stem cells (DPSC). Therefore, SHEDs are an attractive cell source for tissue regeneration. A large plethora of in vitro and animal studies have been conducted in the last few decades that has demonstrated the potential uses of these cells for the treatment of oral and non-oral diseases. The aim of this article was to review the potential therapeutic applications of stem cells derived from human exfoliated deciduous teeth. A Medline search was done, including international literature, published in English between 2003 and 2020. In this area, further research is needed to ensure the applicability of SHED in the treatment of diseases in humans.

scholarly journals Insight into the Role of Dental Pulp Stem Cells in Regenerative Therapy

Biology ◽  
2020 ◽  
Vol 9 (7) ◽  
pp. 160 ◽  
Author(s):  
Shinichiro Yoshida ◽  
Atsushi Tomokiyo ◽  
Daigaku Hasegawa ◽  
Sayuri Hamano ◽  
Hideki Sugii ◽  
...  
Keyword(s):  
Stem Cells ◽  
Tissue Regeneration ◽  
Dental Pulp ◽  
High Growth ◽  
Dental Pulp Stem Cells ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Pulp Tissue ◽  
Differentiation Potential ◽  
Cell Based Therapy

Mesenchymal stem cells (MSCs) have the capacity for self-renewal and multilineage differentiation potential, and are considered a promising cell population for cell-based therapy and tissue regeneration. MSCs are isolated from various organs including dental pulp, which originates from cranial neural crest-derived ectomesenchyme. Recently, dental pulp stem cells (DPSCs) and stem cells from human exfoliated deciduous teeth (SHEDs) have been isolated from dental pulp tissue of adult permanent teeth and deciduous teeth, respectively. Because of their MSC-like characteristics such as high growth capacity, multipotency, expression of MSC-related markers, and immunomodulatory effects, they are suggested to be an important cell source for tissue regeneration. Here, we review the features of these cells, their potential to regenerate damaged tissues, and the recently acquired understanding of their potential for clinical application in regenerative medicine.

scholarly journals Present Status of Research on the Regenerative Potential of Dental Pulp Stem Cells in Malaysia: A Systematic Review

2021 ◽  
Vol 8 (1) ◽  
pp. 304-309
Author(s):  
Nazmul Haque
Keyword(s):  
Systematic Review ◽  
Stem Cells ◽  
Mesenchymal Stem Cells ◽  
Present Status ◽  
Dental Pulp ◽  
Dental Pulp Stem Cells ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Invasive Technique ◽  
Human Exfoliated Deciduous Teeth

Stem cells from human exfoliated deciduous teeth (SHED) or dental pulp stem cells (DPSCs) from permanent teeth are considered promising sources of mesenchymal stem cells. It requires a less invasive technique to isolate stem cells from exfoliated or permanent teeth. Hence this study aimed to identify the present status of research on the regenerative potential of SHED/DPSCs in Malaysia. The results indicate that only 60 articles were published in regenerative medicine from Malaysia till 5th July 2019. Only 16 tertiary institutes and four industries/clinics were involved in these studies. A poor pattern of collaboration has also been identified. Outcomes of this study have emphasized the conduction of more research on the regenerative potential of SHED/DPSCs, and active collaboration among the tertiary institutes and industries for successful translation of these cells from bench side to bedside.

scholarly journals VEGFR1 primes a unique cohort of dental pulp stem cells for vasculogenic differentiation

2021 ◽  
Vol 41 ◽  
pp. 332-344
Author(s):  
MT Bergamo ◽  
◽  
Z Zhang ◽  
TM Oliveira ◽  
JE Nör
Keyword(s):  
Stem Cells ◽  
Dental Pulp ◽  
Vascular Endothelial Cells ◽  
Dental Pulp Stem Cells ◽  
Deciduous Teeth ◽  
Microvascular Endothelial Cell ◽  
Vascular Endothelial ◽  
Pulp Tissue ◽  
Immunodeficient Mice

Dental pulp stem cells (DPSCs) constitute a unique group of cells endowed with multipotency, self-renewal, and capacity to regenerate the dental pulp tissue. While much has been learned about these cells in recent years, it is still unclear if each DPSC is multipotent or if unique sub-populations of DPSCs are “primed” to undergo specific differentiation paths. The purpose of the present study was to define whether a sub-population of DPSCs was uniquely primed to undergo vasculogenic differentiation. Permanent-tooth DPSCs or stem cells from human exfoliated deciduous teeth (SHED) were flow-sorted for vascular endothelial growth factor receptor 1 (VEGFR1) and exposed to vasculogenic differentiation medium, i.e., Microvascular-Endothelial-Cell-Growth-Medium-2-BulletKit™ supplemented with 50 ng/mL rhVEGF165 in the presence of 0 or 25 μg/mL anti-human VEGF antibody (bevacizumab; Genentech). In addition, sorted SHED (i.e., VEGFR1high or VEGFR1low) were seeded in biodegradable scaffolds and transplanted into the subcutaneous space of immunodeficient mice. Despite proliferating at a similar rate, VEGFR1high generated more in vitro sprouts than VEGFR1low cells (p < 0.05). Blockade of VEGF signaling with bevacizumab inhibited VEGFR1high-derived sprouts, demonstrating specificity of responses. Similarly, VEGFR1high SHED generated more blood vessels when transplanted into murine hosts than VEGFR1low cells (p < 0.05). Collectively, these data demonstrated that DPSCs contain a unique sub-population of cells defined by high VEGFR1 expression that are primed to differentiate into vascular endothelial cells. These data raise the possibility of purifying stem cells with high vasculogenic potential for regeneration of vascularized tissues or for vascular engineering in the treatment of ischemic conditions.

scholarly journals Análise bibliométrica do uso de células-tronco em pesquisas odontológicas

2020 ◽  
Vol 8 (12) ◽  
Author(s):  
Jéssica Gomes Alcoforado de Melo ◽  
Diego Moura Soares
Keyword(s):  
Stem Cells ◽  
Dental Pulp ◽  
Periodontal Ligament ◽  
Dental Pulp Stem Cells ◽  
Deciduous Teeth ◽  
Level Laser ◽  
Human Dental Pulp ◽  
Low Level Laser Irradiation ◽  
Human Exfoliated Deciduous Teeth

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.

scholarly journals Stem Cells from Human Exfoliated Deciduous Teeth – Isolation, Long Term Cultivation and Phenotypical Analysis

2010 ◽  
Vol 53 (2) ◽  
pp. 93-99 ◽  
Author(s):  
Jakub Suchánek ◽  
Benjamín Víšek ◽  
Tomáš Soukup ◽  
Sally Kamal El-Din Mohamed ◽  
Romana Ivančaková ◽  
...  
Keyword(s):  
Stem Cells ◽  
Stem Cell ◽  
Dental Pulp ◽  
Biological Properties ◽  
Permanent Teeth ◽  
Deciduous Teeth ◽  
Population Doubling ◽  
Population Doubling Time ◽  
Human Exfoliated Deciduous Teeth

Aims: Our aims were to isolate stem cells from human exfoliated deciduous teeth (SHED), to cultivate them in vitro and to investigate their basic biological properties, phenotype and to compare our findings with dental pulp stem cells (DPSC) isolated from permanent teeth. Methods: Dental pulp was gently evacuated from exfoliated teeth. After enzymatic dissociation of dental pulp, SHED were cultivated in modified cultivation media for mesenchymal adult progenitor cells containing 2 % FCS and supplemented with growth factors and insulin, transferrin, sodium (ITS) supplement. Cell viability and other biological properties were examined using a Vi-Cell analyzer and a Z2-Counter. DNA analyses and phenotyping were performed with flow cytometry. Results: We were able to cultivate SHED over 45 population doublings. Our results showed that SHED cultivated under same conditions as DPSC had longer average population doubling time (41.3 hrs for SHED vs. 24.5 hrs for DPSC). Phenotypic comparison of cultivated SHED to that of cultivated DPSC showed differential expression CD29, CD44, CD71, CD117, CD166. During long-term cultivation, SHED did not showed any signs of degeneration or spontaneous differentiation. Conclusions: We isolated stem cells from exfoliated teeth. In comparison to DPSC, SHED proliferation rate was about 50% slower, and SHED showed slightly different phenotype. These cells may be extremely useful for stem cell tissue banking, further stem cell research and future therapeutic applications.

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