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periodontal tissue engineering

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https://www.readbyqxmd.com/read/28815884/periodontal-ligament-like-tissue-regeneration-with-drilled-porous-decalcified-dentin%C3%A2-matrix-sheet-composite
#1
Ge Feng, Yan Wu, Yu Yong, Lan Huang, Shu An, Bo Hu, Jun Luo, Jinlin Song
OBJECTIVE: In this study, we constructed a composite by combining the human dental follicle cell sheet and a manual drilled porous decalcified dentin matrix that was used to construct ectopic tissue-engineered periodontal ligament-like tissues in renal capsules of nude mice. MATERIALS AND METHODS: Human dental follicle cells were harvested from human lower third molars and then embedded into a temperature-sensitive culture dish. These cells were then placed into frozen porous decalcified dentin matrix sheets and induced by 50 g/ml ascorbic acid...
August 16, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28805207/periodontal-diseases
#2
REVIEW
Denis F Kinane, Panagiota G Stathopoulou, Panos N Papapanou
Periodontal diseases comprise a wide range of inflammatory conditions that affect the supporting structures of the teeth (the gingiva, bone and periodontal ligament), which could lead to tooth loss and contribute to systemic inflammation. Chronic periodontitis predominantly affects adults, but aggressive periodontitis may occasionally occur in children. Periodontal disease initiation and propagation is through a dysbiosis of the commensal oral microbiota (dental plaque), which then interacts with the immune defences of the host, leading to inflammation and disease...
June 22, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28795622/animal-models-for-periodontal-tissue-engineering-a-knowledge-generating-process
#3
Karim Mohamed Fawzy El-Sayed, Christof Doerfer
The human periodontium is a uniquely complex vital structure, supporting and anchoring the teeth in their alveolar sockets, playing thereby a decisive role in tooth homeostasis and function. Chronic periodontitis is a highly prevalent immune-inflammatory disease of the periodontium, affecting 15% of adult individuals and is characterized by progressive destruction of the periodontal tooth-investing tissues, culminating in their irreversible damage. Current periodontal evidence-based treatment strategies achieve periodontal healing via repair processes, mostly combating the inflammatory component of the disease, to halt or reduce prospective periodontal tissue loss...
August 10, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28747761/bmp2-modified-injectable-hydrogel-for-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells
#4
Seung Hun Park, Jin Seon Kwon, Byeong Sung Lee, Ji Hoon Park, Bo Keun Lee, Jeong-Ho Yun, Bun Yeoul Lee, Jae Ho Kim, Byoung Hyun Min, Tae Hyeon Yoo, Moon Suk Kim
This is the first report on the development of a covalently bone morphogenetic protein-2 (BMP2)-immobilized hydrogel that is suitable for osteogenic differentiation of human periodontal ligament stem cells (hPLSCs). O-propargyl-tyrosine (OpgY) was site-specifically incorporated into BMP2 to prepare BMP2-OpgY with an alkyne group. The engineered BMP2-OpgY exhibited osteogenic characteristics after in vitro osteogenic differentiation of hPLSCs, indicating the osteogenic ability of BMP2-OpgY. A methoxy polyethylene glycol-(polycaprolactone-(N3)) block copolymer (MC-N3) was prepared as an injectable in situ-forming hydrogel...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743897/the-healing-of-alveolar-bone-defects-with-novel-bio-implants-composed-of-ad-bmp9-transfected-rdfcs-and-cha-scaffolds
#5
Li Nie, Xia Yang, Liang Duan, Enyi Huang, Zhou Pengfei, Wenping Luo, Yan Zhang, Xingqi Zeng, Ye Qiu, Ting Cai, Conghua Li
Cells, scaffolds, and growth factors play important roles in bone regeneration. Bone morphogenetic protein 9 (BMP9), a member of BMP family, could facilitate osteogenesis by regulating growth factors and promoting angiogenesis. Similar to other stem cells, rat dental follicle stem cells (rDFCs), the precursor cells of cementoblasts, osteoblasts and periodontal ligament cells, can self-renew and exhibit multipotential capacity. Coralline hydroxyapatite (CHA) has good biocompatibility and conductivity required for bone tissue engineering...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701802/osthole-improves-function-of-periodontitis-periodontal-ligament-stem-cells-via-epigenetic-modification-in-cell-sheets-engineering
#6
Jin Sun, Zhiwei Dong, Yang Zhang, Xiaoning He, Dongdong Fei, Fang Jin, Lin Yuan, Bei Li, Yan Jin
Inflammatory microenvironment causes the change of epigenetic modification in periodontal ligament stem cells derived from periodontitis tissues (P-PDLSCs), which results in defective osteogenic differentiation compared to cells from healthy tissues. It's urgent to explore therapeutic strategies aimed at epigenetic targets associated with the regenerative ability of PDLSCs. Osthole, a small-molecule compound extracted from Chinese herbs, has been documented to promote osteogenesis and cell sheets formation of healthy PDLSCs...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28690099/electrospun-polymeric-nanofibers-new-horizons-in-drug-delivery
#7
REVIEW
Shreya Thakkar, Manju Misra
Nanofibers obtained using electrospinning technique are being used since ages especially in fields of textile industry, sensors, filters, protective clothing and tissue engineering. Their use as drug delivery system is an emerging platform in the field of pharmaceuticals and now-a-days formulation scientists are paying great attention to the technology due to several advantages prime being easy modulation of drug release profile depending upon the properties of polymer/polymeric blends/other materials used...
July 8, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28657701/clinical-effects-of-stabilized-stannous-fluoride-dentifrice-in-reducing-plaque-microbial-virulence-i-microbiological-and-receptor-cell-findings
#8
Malgorzata Klukowska, John Christian Haught, Sancai Xie, Ben Circello, Cheryl S Tansky, Deepa Khambe, Tom Huggins, Donald J White
OBJECTIVES: Lipopolysaccharides (LPSs) and lipoteichoic acids (LTAs), or bacterial endotoxins, bind with Toll-like receptors (TLRs) that are expressed on host cells of the periodontium, thereby contributing to the periodontal pathogenicity of oral bacteria. Stannous fluoride (SnF2), an antibacterial fluoride that treats and controls gingivitis, has been shown to react with lipophilic domains/anionic charges in LPS and LTA. The effects of bacterial species and dental plaque on toll receptors can be studied using genetically engineered cell lines containing linked toll receptors on their surfaces...
June 2017: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/28649865/dental-stem-cells-recent-progresses-in-tissue-engineering-and-regenerative-medicine
#9
João Botelho, Maria Alzira Cavacas, Vanessa Machado, José João Mendes
Since the disclosure of adult mesenchymal stem cells (MSCs) there have been an intense investigation on the characteristics of these cells and their potentialities. Dental Stem Cells (DSCs) are MSC-like populations with self-renewal capacity and multidifferentiation potential. Currently, there are five main DSCs, dental pulp stem cells (DPSCs), stem cells from exfoliated deciduous teeth (SHED), stem cells from apical papilla (SCAP), periodontal ligament stem cells (PDLSCs), and Dental Follicle Precursor Cells (DFPCs)...
June 24, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28636235/stem-cell-based-tooth-and-periodontal-regeneration
#10
Lei Hu, Yi Liu, Songlin Wang
Currently regeneration of tooth and periodontal damage still remains great challenge. Stem cell-based tissue engineering raised novel therapeutic strategies for tooth and periodontal repair. Stem cells for tooth and periodontal regeneration include dental pulp stem cells (DPSCs), periodontal ligament stem cells (PDLSCs), stem cells from the dental apical papilla (SCAPs), and stem cells from human exfoliated deciduous teeth (SHEDs), dental follicle stem cells (DFSCs), dental epithelial stem cells (DESCs), bone marrow mesenchymal stem cells (BMMSCs), adipose-derived stem cells (ADSCs), embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs)...
June 21, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28616151/therapeutic-potential-of-dental-stem-cells
#11
REVIEW
Elna Paul Chalisserry, Seung Yun Nam, Sang Hyug Park, Sukumaran Anil
Stem cell biology has become an important field in regenerative medicine and tissue engineering therapy since the discovery and characterization of mesenchymal stem cells. Stem cell populations have also been isolated from human dental tissues, including dental pulp stem cells, stem cells from human exfoliated deciduous teeth, stem cells from apical papilla, dental follicle progenitor cells, and periodontal ligament stem cells. Dental stem cells are relatively easily obtainable and exhibit high plasticity and multipotential capabilities...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28614918/the-significance-of-sdf-1%C3%AE-cxcr4-axis-in-in-vivo-angiogenic-ability-of-human-periodontal-ligament-stem-cells
#12
Yoon-Kyung Bae, Gee-Hye Kim, Jae Cheoun Lee, Byoung-Moo Seo, Kyeung-Min Joo, Gene Lee, Hyun Nam
Periodontal ligament stem cells (PDLSCs) are multipotent stem cells derived from periodontium and have mesenchymal stem cell (MSC)-like characteristics. Recently, the perivascular region was recognized as the developmental origin of MSCs, which suggests the in vivo angiogenic potential of PDLSCs. In this study, we investigated whether PDLSCs could be a potential source of perivascular cells, which could contribute to in vivo angiogenesis. PDLSCs exhibited typical MSC-like characteristics such as the expression pattern of surface markers (CD29, CD44, CD73, and CD105) and differentiation potentials (osteogenic and adipogenic differentiation)...
June 30, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28601648/sequential-igf-1-and-bmp-6-releasing-chitosan-alginate-plga-hybrid-scaffolds-for-periodontal-regeneration
#13
Tuğba Duruel, Anıl Sera Çakmak, Abdullah Akman, Rahime M Nohutcu, Menemşe Gümüşderelioğlu
The goal of periodontal tissue engineering is to repair or regenerate the destructed or lost periodontium by improving functions of cells in the remaining tissue. For continuty of cell growth process, two group of growth factors, i.e. competence factors and progression factors, are needed to act together. However, the short biological half-life of these factors limits their effects on cells and their clinical efficacy. The purpose of this study is to develop different microparticles-loaded chitosan carriers/scaffolds for controlled and sequential delivery of a competence factor, insulin-like growth factor (IGF-1), and progression factor, bone morphogenetic factor-6 (BMP-6)...
June 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28595566/a-systemic-review-of-the-sources-of-adult-mesenchymal-stem-cells-and-their-suitability-in-musculoskeletal-applications
#14
Rhiannon Nancarrow-Lei, Pouya Mafi, Reza Mafi, Wasim Khan
Background: Adult mesenchymal stem cells (MSCs) were first isolated from bone marrow by Friedenstein in 1976. These cells were clonogenic, non-haematopoietic, and able to replicate extensively in vitro. The fields of regenerative medicine and tissue engineering have grown dramatically since their inception. In the decades since, MSCs have been identified from mesoderm-, endoderm- and ectoderm-derived tissues. In light of our ageing population, the need for effective cell-based therapies for tissue repair and regeneration is ever-expanding...
June 8, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28593053/natural-graft-tissues-and-synthetic-biomaterials-for-periodontal-and-alveolar-bone-reconstructive-applications-a-review
#15
REVIEW
Zeeshan Sheikh, Nader Hamdan, Yuichi Ikeda, Marc Grynpas, Bernhard Ganss, Michael Glogauer
Periodontal disease is categorized by the destruction of periodontal tissues. Over the years, there have been several clinical techniques and material options that been investigated for periodontal defect repair/regeneration. The development of improved biomaterials for periodontal tissue engineering has significantly improved the available treatment options and their clinical results. Bone replacement graft materials, barrier membranes, various growth factors and combination of these have been used. The available bone tissue replacement materials commonly used include autografts, allografts, xenografts and alloplasts...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/28527255/-oral-mucosa-analog-allografts-in-non-consanguineous-rats
#16
Luis González, Karla Padrón, Siham Salmen, Elsy Jerez, Lorena Dávila, Eduvigis Solórzano
INTRODUCTION: Although there are therapeutic options for the treatment of oral mucosa defects, the need for functional, anatomical and aesthetically similar substitutes persists, as well as for solutions to reduce autologous grafts morbidity. OBJECTIVE: To determine clinical and histological compatibility of equivalent oral mucosa allografts generated through tissue engineering in non-consanguineous rats. MATERIALS AND METHODS: We used a sample of oral mucosa from Sprague Dawley rats to obtain a fibroblast culture and a keratinocytes and fibroblasts co-culture...
January 24, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28494141/metformin-induces-osteoblastic-differentiation-of-human-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells
#17
Ping Wang, Tao Ma, Dong Guo, Kevin Hu, Yan Shu, Hockin H K Xu, Abraham Schneider
Metformin, a first-line anti-diabetic drug used by millions of patients has been shown to have potential osteogenic properties. The present study was performed to test the hypothesis that clinically relevant doses of metformin promote the osteogenic differentiation and mineralization of induced Pluripotent Stem Cell-derived Mesenchymal Stem Cells (iPSC-MSCs). iPSC-MSCs were treated with metformin (10 μM) to assess cell viability, osteogenic differentiation, mineralization, and activation of the LKB1/AMP-activated protein kinase (AMPK) signaling pathway, a surrogate marker of metformin action...
May 11, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28491933/wnt-and-bmp-signaling-crosstalk-in-regulating-dental-stem-cells-implications-in-dental-tissue-engineering
#18
Fugui Zhang, Jinglin Song, Hongmei Zhang, Enyi Huang, Dongzhe Song, Viktor Tollemar, Jing Wang, Jinhua Wang, Maryam Mohammed, Qiang Wei, Jiaming Fan, Junyi Liao, Yulong Zou, Feng Liu, Xue Hu, Xiangyang Qu, Liqun Chen, Xinyi Yu, Hue H Luu, Michael J Lee, Tong-Chuan He, Ping Ji
Tooth is a complex hard tissue organ and consists of multiple cell types that are regulated by important signaling pathways such as Wnt and BMP signaling. Serious injuries and/or loss of tooth or periodontal tissues may significantly impact aesthetic appearance, essential oral functions and the quality of life. Regenerative dentistry holds great promise in treating oral/dental disorders. The past decade has witnessed a rapid expansion of our understanding of the biological features of dental stem cells, along with the signaling mechanisms governing stem cell self-renewal and differentiation...
December 2016: Genes & Diseases
https://www.readbyqxmd.com/read/28446370/microcarrier-culture-enhances-osteogenic-potential-of-human-periodontal-ligament-stromal-cells
#19
Alina Čebatariūnienė, Akvilė Jarmalavičiūtė, Virginijus Tunaitis, Alina Pūrienė, Algirdas Venalis, Augustas Pivoriūnas
Regeneration of periodontal tissue represents a major challenge to modern tissue engineering, since cell-based therapies require large amounts of periodontal ligament stromal cells (PLSC), which can be obtained only by in vitro expansion. Ideally, the period of the in vitro expansion should be optimized for the generation of large enough numbers of pre-specified progenitor cells ready to contribute to the restoration of periodontal tissues. In the present study, we used a commercially available, three-dimensional culturing platform and alginate microcarrier cell culture system for the propagation of human PLSCs, which were derived using the explant outgrowth method...
March 29, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28369866/stem-cells-applications-in-bone-and-tooth-repair-and-regeneration-new-insights-tools-and-hopes
#20
REVIEW
Eiman Abdel Meguid, Yuehai Ke, Junfeng Ji, Ahmed H K El-Hashash
The exploration of stem and progenitor cells holds promise for advancing our understanding of the biology of tissue repair and regeneration mechanisms after injury. This will also help in the future use of stem cell therapy for the development of regenerative medicine approaches for the treatment of different tissue-species defects or disorders such as bone, cartilages, and tooth defects or disorders. Bone is a specialized connective tissue, with mineralized extracellular components that provide bones with both strength and rigidity, and thus enable bones to function in body mechanical supports and necessary locomotion process...
March 30, 2017: Journal of Cellular Physiology
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