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Zhao Y, Song L, Li M, Peng H, Qiu X, Li Y, Zhu B, Liu C, Ren S, Miao L. Injectable CNPs/DMP1-loaded self-assembly hydrogel regulating inflammation of dental pulp stem cells for dentin regeneration. Mater Today Bio 2024; 24:100907. [PMID: 38170028 PMCID: PMC10758968 DOI: 10.1016/j.mtbio.2023.100907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 01/05/2024] Open
Abstract
Vital pulp preservation, which is a clinical challenge of aseptic or iatrogenic accidental exposure of the pulp, in cases direct pulp capping is the main technology. Human dental pulp stem cells (hDPSCs) play a critical role in pulp tissue repair, but their differentiative ability could be inhibited by the potential infection and inflammatory response of the exposed pulp. Therefore, inflammatory regulation and differentiated promotion of hDPSCs are both essential for preserving living pulp teeth. In this study, we constructed a functional dental pulp-capping hydrogel by loading cerium oxide nanoparticles (CNPs) and dentin matrix protein-1 (DMP1) into an injectable Fmoc-triphenylalanine hydrogel (Fmoc-phe3 hydrogel) as CNPs/DMP1/Hydrogel for in situ drugs delivery. With a view to long-term storage and release of CNPs (anti-inflammatory and antioxidant) to regulate the local inflammatory environment and DMP1 to promote the regeneration of dentin. Results of CCK-8, LDH release, hemolysis, and Live/Dead assessment of cells demonstrated the good biocompatibility of CNPs/DMP1/Hydrogel. The levels of alkaline phosphatase activity, quantification of the mineralized nodules, expressions of osteogenic genes and proteins demonstrated CNPs/DMP1/Hydrogel could protect the activity of hDPSCs' osteogenic/dentinogenic differentiation by reducing the inflammation response via releasing CNPs. The therapy effects were further confirmed in rat models, CNPs/DMP1/Hydrogel reduced the necrosis rate of damaged pulp and promoted injured pulp repair and reparative dentin formation with preserved vital pulps. In summary, the CNPs/DMP1/Hydrogel composite is an up-and-coming pulp-capping material candidate to induce reparative dentin formation, as well as provide a theoretical and experimental basis for developing pulp-capping materials.
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Affiliation(s)
- Yue Zhao
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Lutong Song
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Mengchen Li
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Haoran Peng
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xinyi Qiu
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Yuyang Li
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Bijun Zhu
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Chao Liu
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Department of Orthodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Shuangshuang Ren
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Leiying Miao
- Department of Cariology and Endodontics, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
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Spagnuolo G, De Luca I, Iaculli F, Barbato E, Valletta A, Calarco A, Valentino A, Riccitiello F. Regeneration of dentin-pulp complex: Effect of calcium-based materials on hDPSCs differentiation and gene expression. Dent Mater 2023; 39:485-491. [PMID: 36935304 DOI: 10.1016/j.dental.2023.03.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/07/2023] [Accepted: 03/11/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVE Dentin-pulp complex is object of interest in the regenerative endodontic field as well as the natural function of human dental pulp stem cells (hDPSCs) that may differentiate into specific cells able to repair and/or regenerate both hard and soft dental structures. The aim of the present study was to evaluate the capacity of hDPSCs to differentiate in odontoblastic-like cells by evaluating the expression of specific odontogenic-related genes and to prove the ability of treatment with calcium-based materials such as calcium carbonate (CaCO3), calcium hydroxide (Ca(OH)₂), and mineral trioxide aggregate (MTA). METHODS hDPSCs were obtained and isolated from a third molar of a young patient. Odontogenic-related gene expression was assessed unti1 28 days of culture as well as alkaline phosphatase activity (ALP). hDPSCs were cultured in odontoblastic-induction medium used as control, and in presence of different concentrations of CaCO3, Ca(OH)₂, and MTA. RESULTS The results demonstrated an upregulation in odontoblastic cell-related genes, in particular of the early differentiation marker known as matrix extracellular phosphoglycoprotein (MEPE), as well as increased ALP activity and the presence of calcium deposits, mainly by stimulation with calcium derivatives. In this regard, treatment of pulp tissue with CaCO3, Ca(OH)2 and even better with MTA seemed to be effective for dentinogenesis. SIGNIFICANCE The ease of isolation of hDPSCs from discarded or extracted teeth offers a promising source of autologous cells that may be applied for regenerative purpose in combination with selected bioactive materials. However, further investigations should be conducted to confirm the obtained results.
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Affiliation(s)
- Gianrico Spagnuolo
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy
| | - Ilenia De Luca
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Naples, Italy
| | - Flavia Iaculli
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy.
| | - Eleonora Barbato
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy
| | - Alessandra Valletta
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy
| | - Anna Calarco
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Naples, Italy
| | - Anna Valentino
- Research Institute on Terrestrial Ecosystems (IRET)-CNR, Naples, Italy.
| | - Francesco Riccitiello
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy
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Zvyagina A, Menukhov V, Krasnova O, Minaychev V, Fadeeva I. Elastin Barrier Membranes for Guided Tissue Regeneration Technologies. BIO WEB OF CONFERENCES 2023. [DOI: 10.1051/bioconf/20235704002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
This article discusses the prospects for the use of new elastin barrier membranes manufactured using adapted technologies for the selective isolation of the elastin component from the extracellular xenogenic matrix of the pericardium ligamentous apparatus: (1) by high-temperature extraction under pressure; (2) cyanogen bromide method. A commercial material, Geistlich Bio–Gide® membrane (BG), was used as a control comparison group. It is shown that the materials of group (1) have a high degree of biocompatibility, exceeding the indicators of the control group BG. Based on the results of an study in a model of subcutaneous heterotopic implantation in rats, it was shown that elastin BM has a chemoattractant effect on the mesenchymal recipient cells and, unlike the control, is able to integrate to a high degree into the surrounding recipient tissues. At the same time, the materials of group (1) had a pronounced proangiogenic effect. Thus, it has been shown that elastin BM groups (1) have a medium-term barrier function and are able to induce full-fledged cellular repopulation and local neoangiogenesis, which can be useful in clinical practice, primarily in GTR technologies (with gingival flap augmentation) or when used together with other BM as an angiogenesis inducer to ensure formation of the vascular bed in GBR technologies of bone tissue.
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Dayi B, Küçükyıldız EN, Taghizadehghalehjoughi A. Evaluation of Cytotoxic Effect of Graphene Oxide Added to Mineral Trioxide Aggregate. JOURNAL OF ADVANCED ORAL RESEARCH 2022. [DOI: 10.1177/23202068221142422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Aim: Recently, although studies have shown that biomaterials containing graphene oxide (GO) in biomedicine stand out for their positive effects, the effect of GO on dental tissues when used with dental materials is not well known. The aim of this study was an evaluation of the cytotoxic effects of GO on gingival fibroblasts when it is combined in two different ratios with Mineral Trioxide Aggregate (MTA). Materials and Methods: In this in-vitro study, a homogenous mixture of adding +0.1 weight (wt)% and +0.3 wt% GO to Angelus MTA was created (two experimental groups) and compared with pure Angelus MTA and negative control groups. The materials were mixed according to the manufacturer’s instructions, and Teflon molds were used to form 24 disc-shaped samples for each group. The samples were divided into groups according to the simple random sampling method. The cytotoxic effect of samples was determined on gingival fibroblast cells by using the MTT test, and total oxidant status (TOS) and total antioxidant capacity (TAC) kits in 24 and 72 hours. The data were statistically analyzed using one-way ANOVA and Tukey tests. Results: A significant difference was found between the material-applied groups and the control group at the TAC 24 and 72 hours and between the groups containing GO and the control group at the MTT 72 hours and TAC and TOS 24 and 72 hours ( p < .05). Conclusion: The addition of GO to MTA increased the dose and time-based toxicity and oxidant amount, and decreased antioxidant capacity.
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Affiliation(s)
- Burak Dayi
- Department of Restorative Dentistry, Faculty of Dentistry, Inonu University, Malatya, Turkey
| | - Elif Nihan Küçükyıldız
- Department of Restorative Dentistry, Faculty of Dentistry, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Ali Taghizadehghalehjoughi
- Department of Medical Pharmacology, Faculty of Medicine, Bilecik Şeyh Edebali University, Bilecik, Turkey
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Ayari H. The use of periodontal membranes in the field of periodontology: spotlight on collagen membranes. J Appl Biomed 2022; 20:154-162. [PMID: 36708721 DOI: 10.32725/jab.2022.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
Periodontal regenerative techniques are performed to accomplish the restitution of soft and hard teeth-supporting tissues that have been lost due to trauma or inflammatory disease. Periodontal membranes are used for these techniques to provide support and a framework for cell growth and tissue regeneration. They act as a temporary and selective barrier to cell proliferation. Easy clinical handling, biomechanical specifications, high biocompatibility, cell-occlusivity, and satisfactory bioresorption rate are essential properties a membrane needs to be effective. The creation and maintenance of a secluded space is also a fundamental rule in periodontal regenerative techniques. The use of barrier membranes in the field of restorative dentistry has progressed toward the use of minimally invasive approaches optimizing wound closure and limiting patient morbidity. This review intends to provide an overview of the major cellular events in the surgical wound and membrane surface. It was also performed to assess, from literature data, the pertinence of using non-resorbable and resorbable membranes for this regenerative purpose. Special attention will be given to collagen membranes.
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Affiliation(s)
- Hanene Ayari
- Universite Claude Bernard Lyon 1, Villeurbanne, France.,Universite de Lyon, Faculte de medecine dentaire, Lyon, France
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Papic M, Zivanovic S, Vucicevic T, Papic MV, Zdravkovic D, Milivojevic N, Virijevic K, Zivanovic M, Mircic A, Ljujic B, Lukic ML, Popovic M. Pulpal expression of erythropoietin and erythropoietin receptor after direct pulp capping in rat. Eur J Oral Sci 2022; 130:e12888. [PMID: 35917324 DOI: 10.1111/eos.12888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 07/17/2022] [Indexed: 11/27/2022]
Abstract
This study aimed to evaluate the effect of direct pulp capping on the expression of erythropoietin (Epo) and Epo-receptor (Epor) genes in relation to the expression of inflammatory and osteogenic genes in rat pulp. Dental pulps of the first maxillary molars of Wistar Albino rats were exposed and capped with either calcium hydroxide or mineral trioxide aggregate, or were left untreated. After 4 wk, animals were euthanized, and maxillae were prepared for histological and real-time polymerase chain reaction analysis. Histological scores of pulp inflammation and mineralization, and relative expressions of Epo, Epor, inflammatory cytokines, and pulp osteogenic genes were evaluated. The capped pulps showed higher expressions of Epo, while the untreated pulps had the highest expression of Epor. Both calcium hydroxide and mineral trioxide aggregate downregulated the expression of tumor necrosis factor alpha compared to untreated controls, and upregulated transforming growth factor beta compared to healthy controls. Alkaline phosphatase expression was significantly higher in experimental groups. Relative expression of Epo negatively correlated with pulp inflammation, and positively correlated with pulp mineralization. Pulp exposure promoted expression of Epor and pro-inflammatory cytokines, while pulp capping promoted expression of Epo, alkaline phosphatase, and downregulated Epor and pro-inflammatory cytokines.
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Affiliation(s)
- Milos Papic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Suzana Zivanovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Tamara Vucicevic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Mirjana V Papic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Dejan Zdravkovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Nevena Milivojevic
- Department of Science, Institute for Information Technologies, University of Kragujevac, Kragujevac, Serbia
| | - Katarina Virijevic
- Department of Science, Institute for Information Technologies, University of Kragujevac, Kragujevac, Serbia
| | - Marko Zivanovic
- Department of Science, Institute for Information Technologies, University of Kragujevac, Kragujevac, Serbia
| | - Aleksandar Mircic
- Institute of Histology and Embryology, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Biljana Ljujic
- Department of Genetics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Miodrag L Lukic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.,Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Milica Popovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
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A Comparative Study of the Solubility and Sorption Properties of Resin Modified Glass Ionomer and a Bioactive Liner. JOURNAL OF RESEARCH IN DENTAL AND MAXILLOFACIAL SCIENCES 2022. [DOI: 10.52547/jrdms.7.3.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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8
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Dos Reis-Prado AH, Abreu LG, Fagundes RR, Oliveira SC, Bottino MC, Ribeiro-Sobrinho AP, Benetti F. Influence of ethylenediaminetetraacetic acid on regenerative endodontics: a systematic review. Int Endod J 2022; 55:579-612. [PMID: 35305029 DOI: 10.1111/iej.13728] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND The effects of ethylenediaminetetraacetic acid (EDTA) on regenerative endodontic procedures (REPs) are controversial, because, despite releasing growth factors from dentine, some studies show negative effects on cell behaviour. OBJECTIVES To investigate the influence of the use of EDTA in REP on the growth factors' release, cell behaviour, and tissue regeneration. METHODS A systematic search was conducted (PubMed/Medline, Scopus, Cochrane Library, Web of Science, Embase, OpenGrey, and reference lists) up to February 2021. Only in vivo and in vitro studies evaluating the effects of EDTA on the biological factors of dentine, pulp/periapical tissues, and cell behaviour were eligible. Studies without a control group or available full text were excluded. The growth factors' release was the primary outcome. Risk of bias in the in vitro and in vivo studies was performed according to Joanna Briggs Institute's Checklist and SYRCLE's RoB tool, respectively. RESULTS Of the 1848 articles retrieved, 36 were selected. Among these, 32 were in vitro, three animal studies, and one with both models. The EDTA concentrations ranged from 3%-15%, at different times. Regarding growth factors' release (17 studies), 15 studies found significant transforming growth factor (TGF)-β release after dentine conditioning with EDTA, and most found no influence on vascular endothelial growth factor (VEGF) release. Regarding cell behaviour (26 studies), eight studies showed no influence of EDTA-treated dentine on cell viability; whereas, five, nine, and six studies showed higher cell migration, adhesion, and differentiation, respectively. No influence of EDTA conditioning was observed in animal studies. In vitro studies had a low risk of bias, whereas animal studies had high risk of bias. Meta-analysis was unfeasible. DISCUSSION This review found that EDTA increased TGF-β release and improved cell activity. However, well-designed histological analyses using immature teeth models are needed. CONCLUSIONS High quality in vitro evidence suggests that EDTA-treated dentine positively influences TGF-β release, cell migration, attachment, and differentiation; further research to evaluate its influence on tissue regeneration is necessary due to low methodological quality of the animal studies.
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Affiliation(s)
- A H Dos Reis-Prado
- Restorative Dentistry, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
| | - L G Abreu
- Child's and Adolescent's Oral Health, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
| | - R R Fagundes
- Restorative Dentistry, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
| | - S C Oliveira
- Restorative Dentistry, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
| | - M C Bottino
- Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan, 48109, USA
| | - A P Ribeiro-Sobrinho
- Restorative Dentistry, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
| | - F Benetti
- Restorative Dentistry, Universidade Federal de Minas Gerais (UFMG), School of Dentistry, Belo Horizonte, MG, Brazil
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Yoshihara K, Nagaoka N, Okihara T, Irie M, Matsukawa A, Pedano MS, Maruo Y, Yoshida Y, Van Meerbeek B. Development of self-adhesive pulp-capping agents containing a novel hydrophilic and highly polymerizable acrylamide monomer. J Mater Chem B 2021; 8:5320-5329. [PMID: 32458954 DOI: 10.1039/d0tb00079e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Several studies have shown the clinical success of hydraulic calcium-silicate cements (hCSCs) for direct and indirect pulp capping and root repair. However, hCSCs have various drawbacks, including long setting time, poor mechanical properties, low bond strength to dentin, and relatively poor handling characteristics. To overcome these limitations, a light-curable, resin-based hCSC (Theracal LC, Bisco) was commercially introduced; however, it did not exhibit much improvement in bond strength. We developed a light-curable self-adhesive pulp-capping material that contains the novel acrylamide monomer N,N'-{[(2-acrylamido-2-[(3-acrylamidopropoxy)methyl]propane-1,3-diyl)bis(oxy)]bis(propane-1,3-diyl)}diacrylamide (FAM-401) and the functional monomer 4-methacryloxyethyl trimellitate anhydride (4-MET). Two experimental resin-based hCSCs containing different calcium sources (portlandite: Exp_Pl; tricalcium silicate cement: Exp_TCS) were prepared, and the commercial hCSCs Theracal LC and resin-free hCSC Biodentine served as controls. The performance of each cement was evaluated based on parameters relevant for vital pulp therapy, such as curing degree on a wet surface, mechanical strength, as determined using a three-point bending test, shear bond strength to dentin, cytotoxicity, as determined using an MTT assay, and the amount of calcium released, as determined using inductively coupled plasma atomic emission spectrometry. Both experimental cements cured on wet surfaces and showed relatively low cytotoxicity. Furthermore, their flexural and shear bond strength to dentin were significantly higher than those of the commercial references. High calcium release was observed for both Exp_Pl and Biodentine. Thus, Exp_Pl as a new self-adhesive pulp-capping agent performed better than the commercial resin-based pulp-capping agent in terms of mechanical strength, bond strength, and calcium release.
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Affiliation(s)
- Kumiko Yoshihara
- National Institute of Advanced Industrial Science and Technology (AIST), Health Research Institute, 2217-14 Hayashi-cho, Takamatsu, Kagawa 761-0395, Japan. and Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Pathology and Experimental Medicine, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.
| | - Noriyuki Nagaoka
- Okayama University Dental School, Advanced Research Center for Oral and Craniofacial Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Takumi Okihara
- Okayama University, Graduate School of Natural Science and Technology, Division of Applied Chemistry, 3-1-1 Tsushima-Naka, Kita-ku, Okayama 700-8530, Japan
| | - Masao Irie
- Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science, Department of Biomaterials, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Akihiro Matsukawa
- Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Department of Pathology and Experimental Medicine, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.
| | - Mariano Simón Pedano
- KU Leuven (University of Leuven), Department of Oral Health Sciences, BIOMAT & UZ Leuven (University Hospitals Leuven), Dentistry, Kapucijnenvoer 7 blok a - bus 7001, B-3000 Leuven, Belgium
| | - Yukinori Maruo
- Okayama University Hospital, Department of Occlusion and Removable Prosthodontics, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Yasuhiro Yoshida
- Hokkaido University, Graduate School of Dental Medicine, Department of Biomaterials and Bioengineering, Kita 13, Nishi 7, Kita-ku, Sapporo, Hokkaido 060-8586, Japan
| | - Bart Van Meerbeek
- KU Leuven (University of Leuven), Department of Oral Health Sciences, BIOMAT & UZ Leuven (University Hospitals Leuven), Dentistry, Kapucijnenvoer 7 blok a - bus 7001, B-3000 Leuven, Belgium
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Ahmed U, Ahmed R, Masoud MS, Tariq M, Ashfaq UA, Augustine R, Hasan A. Stem cells based in vitro models: trends and prospects in biomaterials cytotoxicity studies. Biomed Mater 2021; 16:042003. [PMID: 33686970 DOI: 10.1088/1748-605x/abe6d8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Advanced biomaterials are increasingly used for numerous medical applications from the delivery of cancer-targeted therapeutics to the treatment of cardiovascular diseases. The issues of foreign body reactions induced by biomaterials must be controlled for preventing treatment failure. Therefore, it is important to assess the biocompatibility and cytotoxicity of biomaterials on cell culture systems before proceeding to in vivo studies in animal models and subsequent clinical trials. Direct use of biomaterials on animals create technical challenges and ethical issues and therefore, the use of non-animal models such as stem cell cultures could be useful for determination of their safety. However, failure to recapitulate the complex in vivo microenvironment have largely restricted stem cell cultures for testing the cytotoxicity of biomaterials. Nevertheless, properties of stem cells such as their self-renewal and ability to differentiate into various cell lineages make them an ideal candidate for in vitro screening studies. Furthermore, the application of stem cells in biomaterials screening studies may overcome the challenges associated with the inability to develop a complex heterogeneous tissue using primary cells. Currently, embryonic stem cells, adult stem cells, and induced pluripotent stem cells are being used as in vitro preliminary biomaterials testing models with demonstrated advantages over mature primary cell or cell line based in vitro models. This review discusses the status and future directions of in vitro stem cell-based cultures and their derivatives such as spheroids and organoids for the screening of their safety before their application to animal models and human in translational research.
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Affiliation(s)
- Uzair Ahmed
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000 Punjab, Pakistan
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Ranjbar Omrani L, Moradi Z, Abbasi M, Kharazifard MJ, Tabatabaei SN. Evaluation of Compressive Strength of Several Pulp Capping Materials. JOURNAL OF DENTISTRY (SHIRAZ, IRAN) 2021; 22:41-47. [PMID: 33681422 PMCID: PMC7921770 DOI: 10.30476/dentjods.2020.83964.1063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Statement of the Problem Adequate compressive strength is an important characteristic for an ideal liner. Purpose This study aimed to assess the compressive strength of several commonly used liners. Materials and Method This in vitro, experimental study evaluated 120 samples fabricated of Dycal, Calcimol LC, Vitrebond, Activa Bioactive, and TheraCal LC (n=24) liners according to the manufacturers' instructions. The samples were fabricated using a cylindrical stainless steel mold with 6±0.1 mm height and 4±0.1 mm internal diameter. Half of the samples in each group (n=12) underwent compressive strength test immediately after completion of their primary setting while the other half (n=12) underwent compressive strength test after 24 h. During this period, the samples were immersed in deionized water (grade 3) and incubated at 37±1°C and 100% humidity for 24 h. The compressive strength was measured using a universal testing machine. Data were analyzed using two-way ANOVA followed by Tukey's post-hoc test. Results The compressive strength of the five liners was significantly different (p< 0.05). Calcimol LC showed maximum compressive strength both immediately after setting and after 24 h. The compressive strength at 24 h was significantly higher than the primary compressive strength in all groups (p< 0.05). Conclusion Within the limitations of this study, it seems that Calcimol LC, Activa Bioactive Liner, and TheraCal LC have adequate compressive strength and can be used alone to provide adequate support for the restorative materials.
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Affiliation(s)
- Ladan Ranjbar Omrani
- Dept. of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Zohreh Moradi
- Dept. of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Abbasi
- Dept. of Restorative Dentistry, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Seyyedeh Niloufar Tabatabaei
- Postgraduate Student, Dept. of Orthodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
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12
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Zhai Y, Yuan X, Zhao Y, Ge L, Wang Y. Potential Application of Human β-Defensin 4 in Dental Pulp Repair. Front Physiol 2020; 11:1077. [PMID: 32973567 PMCID: PMC7472722 DOI: 10.3389/fphys.2020.01077] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/05/2020] [Indexed: 01/02/2023] Open
Abstract
When pulp tissue is damaged by caries or trauma, vital pulp therapy (VPT) can help preserve the pulp tissue for long-term retention of teeth. However, the choice of pulp capping agent used in VPT is important for the successful preservation of the pulp tissue. Here we investigated the expression and biological function of human β-defensin 4 (HBD4) in dental pulp stem cells (DPSC) and explored its potential as a pulp capping agent. We examined the expression of HBD4 in DPSC in vitro using qPCR and immunofluorescence staining. We also looked at the effect of HBD4 on inflammatory factors in lipopolysaccharide (LPS)-stimulated DPSC, and its effects on mineralizing cell phenotype differentiation, via qPCR and western blot. Finally, we examined the ability of HBD4 to promote the restoration of the pulp-dentin complex in vivo, using male Wistar rats with reversible pulpitis. We found HBD4 was highly expressed in DPSC stimulated by TNF-α and IL-1α. HBD4 down-regulated the expression of inflammatory mediators (i.e., IL-1α, IL-1β, IL-6, TNF-α) in LPS-stimulated DPSC, and suppressed MAPK activity and the NF-κB pathway. HBD4 also enhanced the differentiation of DPSC into osteoblasts or odontoblasts, potentially by modulating the Notch pathway. Furthermore, HBD4 controlled the degree of pulp inflammation in a rat model of reversible pulpitis and induced the formation of restorative dentin. Together our findings indicate HBD4 may be a useful pulp capping agent for use in VPT.
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Affiliation(s)
| | | | | | | | - Yuanyuan Wang
- Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
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13
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Saghiri MA, Asatourian A, Morgano SM, Wang S, Sheibani N. Moderately Acidic pH Promotes Angiogenesis: An In Vitro and In Vivo Study. J Endod 2020; 46:1113-1119. [PMID: 32593435 DOI: 10.1016/j.joen.2020.04.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 04/11/2020] [Accepted: 04/16/2020] [Indexed: 12/26/2022]
Abstract
INTRODUCTION This study evaluated the effect of different pH values of 4.4, 5.4, 6.4, 7.4, 8.4, and 9.4 on angiogenesis. METHODS Endothelial cells were isolated from the mice molar teeth and placed in 42 Matrigel (Corning, NY)-coated wells, which were prepared and divided into 6 groups (n = 7). Synthetic tissue fluid was prepared and divided into 6 parts, and their pH values were adjusted to 4.4, 5.4, 6.4, 7.4, 8.4, and 9.4. A 2-mL volume from each group was diluted in the growth medium at a ratio of 1:3 and used for tubulogenesis assay. Forty-two 6-week-old mice in 6 groups (n = 7) were used for choroidal neovascularization (CNV). A 2-μL volume from each group or saline (control) was delivered by intravitreal injection on the day of laser application and 1 week later. Data on the number of nodes, the total length of the branches, and CNV areas (μm2) were determined using ImageJ software (National Institutes of Health, Bethesda, MD) and analyzed with 1-way analysis of variance and post hoc Tukey tests. The correlation was assessed between the tested variables. RESULTS The number of nodes decreased with changes in pH values as follows: 6.4 > 5.4 > 7.4 > 8.4 > 9.4 > 4.4. The total branch length decreased with pH value changes as follows: 6.4 > 4.4 > 6.4 > 7.4 > 8.4 > 9.4, and the CNV areas decreased with pH value changes as follows: 6.4 > 5.4 > 4.4 > 7.4 > 8.4 > 9.4. CONCLUSIONS Moderately acidic pH values (5.4 and 6.4) enhanced angiogenesis, whereas moderately alkaline pH values (8.4 and 9.4) suppressed angiogenesis.
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Affiliation(s)
- Mohammad Ali Saghiri
- Department of Restorative Dentistry, Rutgers School of Dental Medicine, Newark, New Jersey; Department of Endodontics, University of the Pacific, Arthur A. Dugoni School of Dentistry, San Francisco, California.
| | - Armen Asatourian
- Sector of Angiogenesis Regenerative Medicine, Dr. Hajar Afsar Lajevardi Dental Material and Devices Group, Hackensack, New Jersey
| | - Steven M Morgano
- Department of Restorative Dentistry, Rutgers School of Dental Medicine, Newark, New Jersey
| | - Shoujian Wang
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Nader Sheibani
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Biomedical Engineering, University of Wisconsin, Madison, Wisconsin
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14
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Wang S, Xia Y, Ma T, Weir MD, Ren K, Reynolds MA, Shu Y, Cheng L, Schneider A, Xu HHK. Novel metformin-containing resin promotes odontogenic differentiation and mineral synthesis of dental pulp stem cells. Drug Deliv Transl Res 2019; 9:85-96. [PMID: 30465181 DOI: 10.1007/s13346-018-00600-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This represents the first report on the development of metformin-containing dental resins. The objectives were to use the resin as a carrier to deliver metformin locally to stimulate dental cells for dental tissue regeneration and to investigate the effects on odontogenic differentiation of dental pulp stem cells (DPSCs) and mineral synthesis. Metformin was incorporated into a resin at 20% by mass as a model system. DPSC proliferation attaching on resins was evaluated. Dentin sialophosphoprotein (DSPP), dentin matrix phosphoprotein 1 (DMP-1), alkaline phosphatase (ALP), and runt-related transcription factor 2 (Runx2) genes expressions were measured. ALP activity and alizarin red staining (ARS) of mineral synthesis by the DPSCs on resins were determined. DPSCs on metformin-containing resin proliferated well (mean ± SD; n = 6), and the number of cells increased by 4-fold from 1 to 14 days (p > 0.1). DSPP, ALP, and DMP-1 gene expressions of DPSCs on metformin resin were much higher than DPSCs on control resin without metformin (p < 0.05). ALP activity of metformin group was 70% higher than that without metformin at 14 days (p < 0.05). Mineral synthesis by DPSCs on metformin-containing resin at 21 days was 9-fold that without metformin (p < 0.05). A novel metformin-containing resin was developed, achieving substantial enhancement of odontoblastic differentiation of DPSCs and greater mineral synthesis. The metformin resin is promising for deep cavities and perforated cavities to stimulate DPSCs for tertiary dentin formation, for tooth root coatings with metformin release for periodontal regeneration, and for root canal fillings with apical lesions to stimulate bone regeneration.
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Affiliation(s)
- Suping Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral, Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA
| | - Yang Xia
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA.,Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210029, China
| | - Tao Ma
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA
| | - Michael D Weir
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA
| | - Ke Ren
- Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA
| | - Mark A Reynolds
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA
| | - Yan Shu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, 21201, USA.,Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
| | - Lei Cheng
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral, Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China. .,Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA.
| | - Abraham Schneider
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA. .,Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
| | - Hockin H K Xu
- Department of Advanced Oral Sciences and Therapeutics, University of Maryland School of Dentistry, Baltimore, MD, 21201, USA. .,Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Center for Stem Cell Biology & Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201, USA.
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Emara R, Elhennawy K, Schwendicke F. Effects of calcium silicate cements on dental pulp cells: A systematic review. J Dent 2018; 77:18-36. [DOI: 10.1016/j.jdent.2018.08.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 08/01/2018] [Accepted: 08/03/2018] [Indexed: 02/03/2023] Open
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16
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Saghiri MA, Asatourian A, Sheibani N. Angiogenesis and the prevention of alveolar osteitis: a review study. J Korean Assoc Oral Maxillofac Surg 2018; 44:93-102. [PMID: 29963489 PMCID: PMC6024058 DOI: 10.5125/jkaoms.2018.44.3.93] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 09/02/2017] [Accepted: 09/13/2017] [Indexed: 12/22/2022] Open
Abstract
Angiogenesis is one of the essential processes that occur during wound healing. It is responsible for providing immunity as well as the regenerative cells, nutrition, and oxygen needed for the healing of the alveolar socket following tooth extraction. The inappropriate removal of formed blood clots causes the undesirable phenomenon of alveolar osteitis (AO) or dry socket. In this review, we aimed to investigate whether enhanced angiogenesis contributes to a more effective prevention of AO. The potential pro- or anti-angiogenic activity of different materials used for the treatment of AO were evaluated. An electronic search was performed in the PubMed, MEDLINE, and EMBASE databases via OVID from January 2000 to September 2016 using the keywords mentioned in the PubMed and MeSH (Medical Subject Headings) terms regarding the role of angiogenesis in the prevention of AO. Our initial search identified 408 articles using the keywords indicated above, with 38 of them meeting the inclusion criteria set for this review. Due to the undeniable role of angiogenesis in the socket healing process, it is beneficial if strategies for preventing AO are directed toward more proangiogenic materials and modalities.
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Affiliation(s)
- Mohammad Ali Saghiri
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.,Department of Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Armen Asatourian
- Angiogenesis Regenerative Medicine Sector, Dr. H. Afsar Lajevardi Research Cluster (DHALC), Shiraz, Iran
| | - Nader Sheibani
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.,Department of Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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17
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Saghiri MA, Asatourian A, Nguyen EH, Wang S, Sheibani N. Hydrogel Arrays and Choroidal Neovascularization Models for Evaluation of Angiogenic Activity of Vital Pulp Therapy Biomaterials. J Endod 2018; 44:773-779. [PMID: 29602530 PMCID: PMC6300997 DOI: 10.1016/j.joen.2018.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/29/2018] [Accepted: 02/06/2018] [Indexed: 12/22/2022]
Abstract
INTRODUCTION This study intended to evaluate the angiogenic properties of vital pulp therapy materials including white mineral trioxide aggregate (WMTA), calcium hydroxide (Ca[OH]2), Geristore (Den-Mat, Santa Maria, CA), and nano WMTA biomaterials. METHODS WMTA, Ca(OH)2, Geristore, and nano WMTA disks were prepared, dispersed into 2 mL Milli-Q (Millipore, ThermoFisher, Hanover Park, IL) distilled water, and centrifuged to obtain 2 mL supernatant elution. Thirty-five wells of polyethylene glycol hydrogel arrays were prepared and divided into 5 groups of 7 (n = 7). Mice molar endothelial cells (ECs) were placed on hydrogel arrays. The elution prepared from each sample was diluted in growth medium (1:3) and added to the hydrogel arrays. The EC medium alone was used for the control. For the choroidal neovascularization (CNV) model, thirty-five 6-week-old female mice were lasered and divided into 5 groups, and elution from each sample (2 μL) or saline (control) was delivered by intravitreal injection on the day of the laser treatment and 1 week later. The mean number of nodes, the total length of the branches in the hydrogel arrays, and the mean area of CNV were calculated using ImageJ software (National Institutes of Health, Bethesda, MD) and analyzed by 1-way analysis of variance and post hoc Tukey honest significant difference tests. RESULTS The comparison of results regarding the number of nodes showed the values of control > Geristore > nano WMTA > WMTA > Ca(OH)2. Regarding the total branch length and the CNV area, the comparison of results showed values of Geristore > control > nano WMTA > WMTA > Ca(OH)2. CONCLUSIONS All tested materials showed minimal antiangiogenic activity, whereas Geristore and nano WMTA showed a higher proangiogenic activity than WMTA and Ca(OH)2.
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Affiliation(s)
- Mohammad Ali Saghiri
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Biomedical Engineering, University of Wisconsin, Madison, Wisconsin.
| | - Armen Asatourian
- Sector of Angiogenesis Regenerative Medicine, Dr Hajar Afsar Lajevardi Research Cluster, Shiraz, Iran
| | - Eric H Nguyen
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Human Models for Analysis of Pathways (HMAPs) Center, University of Wisconsin, Madison, Wisconsin
| | - Shoujian Wang
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Nader Sheibani
- Department of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin; Department of Biomedical Engineering, University of Wisconsin, Madison, Wisconsin; Human Models for Analysis of Pathways (HMAPs) Center, University of Wisconsin, Madison, Wisconsin
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18
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Ngo VA, Jung JY, Koh JT, Oh WM, Hwang YC, Lee BN. Leptin Induces Odontogenic Differentiation and Angiogenesis in Human Dental Pulp Cells via Activation of the Mitogen-activated Protein Kinase Signaling Pathway. J Endod 2018; 44:585-591. [PMID: 29397219 DOI: 10.1016/j.joen.2017.11.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 09/15/2017] [Accepted: 11/20/2017] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Up-regulation of odontogenic differentiation, dentin formation, and angiogenesis in dental pulp are key factors in vital pulp therapy. The aim of this study was to investigate whether leptin could promote odontogenic differentiation and angiogenesis in human dental pulp cells (hDPCs). In addition, the involvement of the intracellular signaling pathway in these effects was determined. METHODS The viability of hDPCs treated with leptin was examined using the water soluble tetrazolium salt-1 assay. Real-time polymerase chain reaction was performed to determine messenger RNA (mRNA) expression levels of odontogenic and angiogenic markers. Western blot analysis was used to measure odontogenic and angiogenic protein expression levels and assess mitogen-activated protein kinase (MAPK) pathway involvement. Alkaline phosphatase (ALP) and alizarin red staining were used to evaluate expression levels of ALP and calcified nodule formation after treatment with leptin and/or the presence of MAPK inhibitors. RESULTS All concentrations of leptin used in this study did not significantly affect the viability of hDPCs. However, mRNA and protein levels of odontogenic and angiogenic markers, ALP activity, and calcified nodule formation were significantly increased in the leptin-treated group compared with those in the control group. Leptin enhanced phosphorylation of extracellular signal-related kinases, c-Jun N-terminal kinase, and p38 mitogen-activated protein kinases within 5 minutes after treatment. However, leptin-induced dentin sialophosphoprotein and vascular endothelial growth factor protein expression and mineralization were appreciably blocked by the presence of MAPK inhibitors. CONCLUSIONS Leptin can induce angiogenesis, odontogenic differentiation, and mineralization in hDPCs via activating the MAPK signaling pathway.
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Affiliation(s)
- Viet Anh Ngo
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Gwangju, Korea
| | - Ji-Yeon Jung
- Department of Physiology, School of Dentistry, Dental Science Research Institute, Gwangju, Korea
| | - Jeong-Tae Koh
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Dental Science Research Institute, Gwangju, Korea; Research Center for Biomineralization Disorders, Chonnam National University, Gwangju, Korea
| | - Won-Mann Oh
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Gwangju, Korea
| | - Yun-Chan Hwang
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Gwangju, Korea; Research Center for Biomineralization Disorders, Chonnam National University, Gwangju, Korea.
| | - Bin-Na Lee
- Department of Conservative Dentistry, School of Dentistry, Dental Science Research Institute, Gwangju, Korea.
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Delayed miniature pulpotomy in a symptomatic mature molar. Dent Res J (Isfahan) 2018; 15:302-305. [PMID: 30123309 PMCID: PMC6073943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
This case report describes miniature pulpotomy (MP) with calcium-enriched mixture (CEM) cement, 1 week after carious pulpal exposure of a symptomatic mature molar. A 24-year-old woman was referred with complaining of severe lingering pain on the second upper left molar; a dental history revealed that the tooth had been prepared 1 week ago, but on pulp exposure, her dentist just dressed the cavity. After anesthesia/isolation in the same session, the temporary restoration was removed, the previously pulpal exposure was observed, and MP was carried out. Hemorrhage was effectively controlled using 5.25% NaOCl, the clot free pulpal wound was completely covered employing CEM cement, and the cavity was permanently restored by resin composite. The patient's pain gradually relieved within 24 h. The tooth was functional and able to respond to vitality tests in regular clinical follow-ups. At 15-month follow-up, a dentinal bridge was observed under the capping biomaterial, radiographically; moreover, no calcification or apical pathosis was detected. MP with CEM cement might be a treatment option for the management of exposed dental pulp with a clinical diagnosis of irreversible pulpitis, although further trials with larger sample size and longer follow-ups are recommended.
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Biocompatibility of New Pulp-capping Materials NeoMTA Plus, MTA Repair HP, and Biodentine on Human Dental Pulp Stem Cells. J Endod 2017; 44:126-132. [PMID: 29079052 DOI: 10.1016/j.joen.2017.07.017] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 06/23/2017] [Accepted: 07/24/2017] [Indexed: 01/09/2023]
Abstract
INTRODUCTION The aim of the present study was to evaluate the in vitro cytotoxicity of MTA Repair HP, NeoMTA Plus, and Biodentine, new bioactive materials used for dental pulp capping, on human dental pulp stem cells (hDPSCs). METHODS Biological testing was carried out in vitro on hDPSCs. Cell viability and cell migration assays were performed using eluates of each capping material. To evaluate cell morphology and cell attachment to the different materials, hDPSCs were directly seeded onto the material surfaces and analyzed by scanning electron microscopy. The chemical composition of the pulp-capping materials was determined by energy-dispersive X-ray and eluates were analyzed by inductively coupled plasma-mass spectrometry. Statistical differences were assessed by analysis of variance and Tukey test (P < .05). RESULTS Cell viability was moderate after 24 and 48 hours in the presence of MTA Repair HP and NeoMTA Plus, whereas at 48 and 72 hours, Biodentine showed higher rates of cell viability than MTA Repair HP and NeoMTA Plus (P < .001). A cell migration assay revealed adequate cell migration rates for MTA Repair HP and NeoMTA Plus, both similar to the control group rates, meanwhile the highest cell migration rate was observed in the presence of Biodentine (P < .001). Scanning electron microscope studies showed a high degree of cell proliferation and adhesion on Biodentine disks but moderate rates on MTA Repair HP and NeoMTA Plus disks. Energy-dispersive X-ray pointed to similar weight percentages of C, O, and Ca in all 3 materials, whereas other elements such as Al, Si, and S were also found. CONCLUSIONS The new pulp-capping materials MTA Repair HP, NeoMTA Plus, and Biodentine showed a suitable degree of cytocompatibility with hDPSCs, and good cell migration rates, although Biodentine showed higher rates of proliferation time-dependent.
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Vitamins and regulation of angiogenesis: [A, B1, B2, B3, B6, B9, B12, C, D, E, K]. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.09.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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22
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Saghiri MA, Asatourian A, Garcia-Godoy F, Sheibani N. A new era considering inorganic trace elements and biological activity of dental biomaterials (angiogenic activity). ACTA BIOMATERIALIA ODONTOLOGICA SCANDINAVICA 2017. [PMID: 28642917 PMCID: PMC5433192 DOI: 10.1080/23337931.2016.1215249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Mohammad Ali Saghiri
- Departments of Ophthalmology and Visual Sciences and Biomedical Engineering, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA
| | - Armen Asatourian
- Sector of Angiogenesis and Regenerative Surgery, Dr. H Afsar Lajevardi ClusterShirazIran
| | - Franklin Garcia-Godoy
- Bioscience Research Center, College of Dentistry, The University of Tennessee Health Science CenterMemphisTNUSA
| | - Nader Sheibani
- Departments of Ophthalmology and Visual Sciences and Biomedical Engineering, University of Wisconsin School of Medicine and Public HealthMadisonWIUSA
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da Rosa WLO, Cocco AR, Silva TMD, Mesquita LC, Galarça AD, Silva AFD, Piva E. Current trends and future perspectives of dental pulp capping materials: A systematic review. J Biomed Mater Res B Appl Biomater 2017; 106:1358-1368. [PMID: 28561919 DOI: 10.1002/jbm.b.33934] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 05/15/2017] [Accepted: 05/16/2017] [Indexed: 11/10/2022]
Abstract
To systematically review the literature to analyze the current trends and future perspectives of dental pulp capping materials through an analysis of scientific and technological data. This study is reported in accordance with the PRISMA Statement. Nine databases were screened: PubMed (MedLine), Lilacs, IBECS, BBO, Web of Science, Scopus, SciELO, Google Scholar, and The Cochrane Library. Additionally, the following patent applications were searched online in Questel Orbit (Paris, France), USPTO, EPO, JPO, INPI, and Patentscope databases. A total of 716 papers and 83 patents were included. Calcium hydroxide was the main type of material studied, especially for direct pulp capping, followed by MTA. Patents related to adhesives or resins increased from 1998 e 2008, while in the last years, a major increase was observed in bioactive materials (containing bioactive proteins), materials derived from MTA (calcium silicate, calcium phosphate and calcium aluminate-based cements) and MTA. It was possible to obtain a scientific and technological overview of pulp capping materials. MTA has shown favorable results in vital pulp therapy that seem to surpass the disadvantages of calcium hydroxide. Recent advances in bioactive materials and those derived from MTA have shown promising results that could improve biomaterials used in vital pulp treatments. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 1358-1368, 2018.
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Affiliation(s)
- Wellington L O da Rosa
- DDS, Post-graduate Student, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, RS, Brazil
| | - Alexandra R Cocco
- DDS, Post-graduate Student, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, RS, Brazil
| | - Tiago M da Silva
- Undergraduate Student, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, RS, Brazil
| | - Luana C Mesquita
- Undergraduate Student, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, RS, Brazil
| | - Arthur Dias Galarça
- Undergraduate Student, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, RS, Brazil
| | - Adriana F da Silva
- DDS, PhD, Associate Professor, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Evandro Piva
- DDS, PhD, Associate Professor, Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Pelotas, Pelotas, RS, Brazil
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Collado-González M, García-Bernal D, Oñate-Sánchez RE, Ortolani-Seltenerich PS, Álvarez-Muro T, Lozano A, Forner L, Llena C, Moraleda JM, Rodríguez-Lozano FJ. Cytotoxicity and bioactivity of various pulpotomy materials on stem cells from human exfoliated primary teeth. Int Endod J 2017; 50 Suppl 2:e19-e30. [DOI: 10.1111/iej.12751] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 02/02/2017] [Indexed: 11/27/2022]
Affiliation(s)
- M. Collado-González
- Cellular Therapy and Hematopoietic Transplant Unit; Hematology Department; Virgen de la Arrixaca Clinical University Hospital; IMIB; University of Murcia; Murcia Spain
| | - D. García-Bernal
- Cellular Therapy and Hematopoietic Transplant Unit; Hematology Department; Virgen de la Arrixaca Clinical University Hospital; IMIB; University of Murcia; Murcia Spain
| | - R. E. Oñate-Sánchez
- School of Dentistry; Faculty of Medicine; University of Murcia; Murcia Spain
| | | | | | - A. Lozano
- Department of Stomatology; Universitat de Valencia; Valencia Spain
| | - L. Forner
- Department of Stomatology; Universitat de Valencia; Valencia Spain
| | - C. Llena
- Department of Stomatology; Universitat de Valencia; Valencia Spain
| | - J. M. Moraleda
- Cellular Therapy and Hematopoietic Transplant Unit; Hematology Department; Virgen de la Arrixaca Clinical University Hospital; IMIB; University of Murcia; Murcia Spain
| | - F. J. Rodríguez-Lozano
- Cellular Therapy and Hematopoietic Transplant Unit; Hematology Department; Virgen de la Arrixaca Clinical University Hospital; IMIB; University of Murcia; Murcia Spain
- School of Dentistry; Faculty of Medicine; University of Murcia; Murcia Spain
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Saghiri MA, Asatourian A, Garcia-Godoy F, Sheibani N. The role of angiogenesis in implant dentistry part II: The effect of bone-grafting and barrier membrane materials on angiogenesis. Med Oral Patol Oral Cir Bucal 2016; 21:e526-37. [PMID: 27031074 PMCID: PMC4920468 DOI: 10.4317/medoral.21200] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 02/19/2016] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND In implant dentistry, bone substitute materials and barrier membranes are used in different treatments including guided bone regeneration (GBR), socket preservation, alveolar ridge augmentation, maxillary sinus elevation, and filling bony defects around the inserted dental implant. One of the most important factors in prognosis of treatments using these materials is the growth of new blood vessels in applied areas. Present review was performed to evaluate the effect of the bone-grafting and barrier membrane materials on angiogenesis events. MATERIAL AND METHODS An electronic search was performed in PubMed, MEDLINE, and EMBASE databases via OVID using the keywords mentioned in the PubMed and MeSH headings regarding the role of angiogenesis in implant dentistry from January 2000-April 2014. RESULTS Of the 5,622 articles identified in our initial search results, only 33 met the inclusion criteria set for this review. Among bone substitute materials the autogenous bone-grafts, and among the barrier membranes the collagenous membranes, had the highest angiogenic potentials. Other bone-grafting materials or membranes were mostly used with pro-angiogenic factors to enhance their angiogenic properties. CONCLUSIONS Angiogenesis is one of the key factors, which plays a critical role in success rate of GBR technique and is seriously considered in manufacturing bone-grafting and barrier membrane materials. However, there is still lack of clinical and in-vivo studies addressing the effect of angiogenesis in treatments using bone-grafting and barrier membrane materials.
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Affiliation(s)
- M-A Saghiri
- Departments of Ophthalmology &, Visual Sciences and Biomedical Engineering, University of Wisconsin School of Medicine, and Public health, Madison, WI, USA,
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