scholarly journals Detection, Characterization, and Clinical Application of Mesenchymal Stem Cells in Periodontal Ligament Tissue

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
Atsushi Tomokiyo ◽  
Shinichiro Yoshida ◽  
Sayuri Hamano ◽  
Daigaku Hasegawa ◽  
Hideki Sugii ◽  
...  

Mesenchymal stem cells (MSCs) are a kind of somatic stem cells that exert a potential to differentiate into multiple cell types and undergo robust clonal self-renewal; therefore, they are considered as a highly promising stem cell population for tissue engineering. MSCs are identified in various adult organs including dental tissues. Periodontal ligament (PDL) is a highly specialized connective tissue that surrounds the tooth root. PDL also contains MSC population, and many researchers have isolated them and performed their detailed characterization. Here, we review the current understanding of the features and functions of MSC population in PDL tissues and discuss their possibility for the application of PDL regeneration.

2015 ◽  
Vol 88 (4) ◽  
pp. 479-482 ◽  
Author(s):  
Monica Angela Maxim ◽  
Olga Soritau ◽  
Mihaela Baciut ◽  
Simion Bran ◽  
Grigore Baciut

Mesenchymal stem cells (MSCs) are adult stem cells that have the capacity of rising multiple cell types.A rich source of mesenchymal stem cells is represented by the dental tissues: the periodontal ligament, the dental pulp, the apical papilla, the dental follicle and the deciduous teeth.The aim of this review is to characterize the main dental- derived mesenchymal stem cell population, and to show their important role in tissue regeneration based on their properties : the multi-potency, the high proliferation rate, the differentiation in multiple cell lineages, the high cell viability and the positive expression for mesenchymal cell markers.Tissue regeneration or de novo' formation of craniofacial structures is the future of regenerative medicine, offering a solution for congenital malformations, traumas and other diseases. 


Biomolecules ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1306
Author(s):  
Ann-Kristin Afflerbach ◽  
Mark D. Kiri ◽  
Tahir Detinis ◽  
Ben M. Maoz

The human-relevance of an in vitro model is dependent on two main factors—(i) an appropriate human cell source and (ii) a modeling platform that recapitulates human in vivo conditions. Recent years have brought substantial advancements in both these aspects. In particular, mesenchymal stem cells (MSCs) have emerged as a promising cell source, as these cells can differentiate into multiple cell types, yet do not raise the ethical and practical concerns associated with other types of stem cells. In turn, advanced bioengineered in vitro models such as microfluidics, Organs-on-a-Chip, scaffolds, bioprinting and organoids are bringing researchers ever closer to mimicking complex in vivo environments, thereby overcoming some of the limitations of traditional 2D cell cultures. This review covers each of these advancements separately and discusses how the integration of MSCs into novel in vitro platforms may contribute enormously to clinical and fundamental research.


2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Hakan Orbay ◽  
Morikuni Tobita ◽  
Hiroshi Mizuno

Mesenchymal stem cells (MSCs) are adult stem cells that were initially isolated from bone marrow. However, subsequent research has shown that other adult tissues also contain MSCs. MSCs originate from mesenchyme, which is embryonic tissue derived from the mesoderm. These cells actively proliferate, giving rise to new cells in some tissues, but remain quiescent in others. MSCs are capable of differentiating into multiple cell types including adipocytes, chondrocytes, osteocytes, and cardiomyocytes. Isolation and induction of these cells could provide a new therapeutic tool for replacing damaged or lost adult tissues. However, the biological properties and use of stem cells in a clinical setting must be well established before significant clinical benefits are obtained. This paper summarizes data on the biological properties of MSCs and discusses current and potential clinical applications.


2017 ◽  
Vol 2017 ◽  
pp. 1-12 ◽  
Author(s):  
Keita Suzuki ◽  
Naoyuki Chosa ◽  
Shunsuke Sawada ◽  
Naoki Takizawa ◽  
Takashi Yaegashi ◽  
...  

Mesenchymal stem cells (MSCs) are involved in anti-inflammatory events and tissue repair; these functions are activated by their migration or homing to inflammatory tissues in response to various chemokines. However, the mechanism by which MSCs interact with other cell types in inflammatory tissue remains unclear. We investigated the role of periodontal ligament fibroblasts (PDL-Fs) in regulating the anti-inflammatory and osteogenic abilities of bone marrow-derived- (BM-) MSCs. The expression of monocyte chemotactic protein- (MCP-)1 was significantly enhanced by stimulation of PDL-Fs with inflammatory cytokines. MCP-1 induced the migratory ability of BM-MSCs but not PDL-Fs. Expression levels of anti-inflammatory and inflammatory cytokines were increased and decreased, respectively, by direct-contact coculture between MSCs and PDL-Fs. In addition, the direct-contact coculture enhanced the expression of MSC markers that play important roles in the self-renewal and maintenance of multipotency of MSCs, which in turn induced the osteogenic ability of the cells. These results suggest that MCP-1 induces the migration and homing of BM-MSCs into the PDL inflammatory tissue. The subsequent adherence of MSCs to PDL-Fs plays an immunomodulatory role to terminate inflammation during wound healing and upregulates the expression stem cell markers to enhance the stemness of MSCs, thereby facilitating bone formation in damaged PDL tissue.


2021 ◽  
Vol 2 ◽  
Author(s):  
Xiao Han ◽  
Zhipeng Fan

Mesenchymal stem cells (MSCs) are a kind of pluripotent stem cell with the potential of self-renewal and multidirectional differentiation. They can be obtained from a variety of tissues and can differentiate into a variety of cell types under different induction conditions, including osteoblasts. Because of this osteogenic property, MSCs have attracted much attention in the treatment of bone metabolism-related diseases. MicroRNAs (miRNAs), as an epigenetic factor, are thought to play an important regulatory role in the process of osteogenic differentiation of MSCs. In recent years, increasingly evidence shows that miRNAs imbalance is involved in the regulation of osteoporosis and fracture. In this review, miRNAs involved in osteogenic differentiation and their mechanisms for regulating the expression of target genes are reviewed. In addition, we also discuss the potential clinical applications and possible directions of this field in the future.


Author(s):  
Johnna S. Temenoff

Hundreds of thousands of injuries to ligaments, tendons or the joint capsule occur in the U.S. each year, resulting in significant reduction of quality of life for many patients [1]. Existing reconstruction techniques for torn tendons/ligaments result in significant morbidity and cannot fully recapitulate the native joint biomechanics, leading to secondary degeneration over time, such as premature osteoarthritis. Thus, tissue-engineered alternatives to current grafts, potentially using stem cells in combination with an appropriate scaffold, are greatly needed. In response, our laboratory is investigating a novel hydrogel system and a custom tensile bioreactor as an in-vitro model to study the formation of both fibrous (ligament) tissue and the ligament-bone interface. In these studies, we examine the effect of tensile loading and the degradability of the surrounding environment on cellular morphology and tendon/ligament extracellular matrix (ECM) production by mesenchymal stem cells (MSCs). In particular, the response of MSCs embedded within hydrogels with varying degrees of susceptibility to degradation by collagenase is explored. In addition, proof-of-principle experiments are presented to extend this system to examine the effect of co-culture of multiple cell types on differentiation of MSCs in a milieu that mimics the bone-ligament insertion.


2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Hirohiko Ise ◽  
Kumiko Matsunaga ◽  
Marie Shinohara ◽  
Yasuyuki Sakai

Mesenchymal stem cells (MSCs) in bone marrow and adipose tissues are expected to be effective tools for regenerative medicine to treat various diseases. To obtain MSCs that possess both high differentiation and tissue regenerative potential, it is necessary to establish an isolation system that does not require long-term culture. It has previously been reported that the cytoskeletal protein vimentin, expressed on the surfaces of multiple cell types, possesses N-acetylglucosamine- (GlcNAc-) binding activity. Therefore, we tried to exploit this interaction to efficiently isolate MSCs from rat bone marrow cells using GlcNAc-bearing polymer-coated dishes. Cells isolated by this method were identified as MSCs because they were CD34-, CD45-, and CD11b/c-negative and CD90-, CD29-, CD44-, CD54-, CD73-, and CD105-positive. Osteoblast, adipocyte, and chondrocyte differentiation was observed in these cells. In total, yields of rat MSCs were threefold to fourfold higher using GlcNAc-bearing polymer-coated dishes than yields using conventional tissue-culture dishes. Interestingly, MSCs isolated with GlcNAc-bearing polymer-coated dishes strongly expressed CD106, whereas those isolated with conventional tissue-culture dishes had low CD106 expression. Moreover, senescence-associated β-galactosidase activity in MSCs from GlcNAc-bearing polymer-coated dishes was lower than that in MSCs from tissue-culture dishes. These results establish an improved isolation method for high-quality MSCs.


Author(s):  
Neha Vashisht ◽  
Divy Vashisht

While the regeneration of a lost tissue is known to mankind for several years, it is only in the recent past that research on regenerative medicine/dentistry has gained momentum and eluded the dramatic yet scientific advancements in the field of molecular biology. The growing understanding of biological concepts in the regeneration of oral/dental tissues coupled with experiments on stem cells is likely to result in a paradigm shift in the therapeutic armamentarium of dental and oral diseases culminating in an intense search for “biological solutions to biological problems.” Stem cells have been successfully isolated from variety of human tissues including orofacial tissues. Mesenchymal stem cells (MSCs) are multipotent stem cells which differentiate into a variety of cell types. The potential MSCs for tooth regeneration mainly include stem cells from human exfoliated deciduous teeth (SHEDs), adult dental pulp stem cells (DPSCs), stem cells from apical part of the papilla (SCAPs), stem cells from the dental follicle (DFSCs), periodontal ligament stem cells (PDLSCs) and bone marrow derived mesenchymal stem cells (BMSCs). This review article outlines the recent progress in mesenchymal stem cells used in tooth regeneration.


2017 ◽  
Vol 3 ◽  
pp. 69 ◽  
Author(s):  
Samira Malekzadeh ◽  
Mohammad Amin Edalatmanesh ◽  
Davood Mehrabani ◽  
Mehrdad Shariati ◽  
Sima Malekzadeh

In recent years, stem cell therapy tried to improve the life of patients that suffer from neurodegenerative disease, like Alzheimer's disease. Although teeth are non-essential for life, but the dental tissues are an important source of mesenchymal stem cells that are suitable for neural regeneration. The studies showed that dental stem cells (DSCs) have the potential to differentiate into several cell types that among the most important is neural progenitor. In this review article, discusses the types of dental stem cells and then focused on application of dental stem cells on neural regeneration.


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