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Wang J, Qiao J, Ma L, Li X, Wei C, Tian X, Liu K. Identification of the characteristics of infiltrating immune cells in pulpitis and its potential molecular regulation mechanism by bioinformatics method. BMC Oral Health 2023; 23:287. [PMID: 37179325 PMCID: PMC10182635 DOI: 10.1186/s12903-023-03020-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
OBJECTIVE The inflammation of dental pulp will also trigger an immune response. The purpose of this study is to demonstrate the immune cell's function and explore their regulatory molecules and signal pathways in pulpitis. METHOD The CIBERSORTx method was used to quantitatively analyze 22 types of immune cells infiltrating in the GSE77459 dataset of dental pulp tissues. The immune-related differential genes (IR-DEGs) were further screened and enriched for the GO and KEGG pathways. Protein-protein interaction (PPI) networks were constructed and the hub IR-DEGs were screened. Finally, we constructed the regulatory network of hub genes. RESULTS The GSE77459 dataset screened 166 IR-DEGs and was enriched for three signal pathways involved in pulpitis development: chemokine signaling, TNF signaling, and NF-κB signaling. Significant differences in immune cell infiltration were observed between normal and inflamed dental pulp. The proportions of M0 macrophages, neutrophils, and follicular helper T cells were significantly higher than that of the normal dental pulp, while the proportions of resting mast cells, resting dendritic cells, CD8 T cells, and monocytes were significantly lower. The random forest algorithm concluded that M0 macrophages and neutrophils were the two most important immune cells. We identified five immune-related hub genes IL-6, TNF-α, IL-1β, CXCL8, and CCL2. In addition, IL-6, IL-1β, and CXCL8 are highly correlated with M0 macrophages and neutrophils, and the five hub genes have many shared regulatory molecules: four miRNAs and two lncRNAs, three transcription factors. CONCLUSION Immune cell infiltration plays an important role in pulpitis among which M0 macrophages and neutrophils are the most significant immune cells. IL-6, TNF-α, IL-1, CXCL8, and CCL2 may be essential molecule of the immune response regulation network in pulpitis. This will help us understand the immune regulatory network in pulpitis.
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Affiliation(s)
- Jing Wang
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China
| | - Junxia Qiao
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China
| | - Lili Ma
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China
| | - Xin Li
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China
| | - Chengshi Wei
- Department of Endodontics, Liaocheng People's Hospital, Liaocheng, Shandong, 252000, P.R. China
| | - Xiufen Tian
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China.
| | - Kun Liu
- Department of Stomatology, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong, 252000, P.R. China.
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Opasawatchai A, Nguantad S, Sriwilai B, Matangkasombut P, Matangkasombut O, Srisatjaluk R, Charoensawan V. Single-Cell Transcriptomic Profiling of Human Dental Pulp in Sound and Carious Teeth: A Pilot Study. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2021.806294] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A comprehensive understanding of dental pulp cellular compositions and their molecular responses to infection are crucial for the advancement of regenerative dentistry. Here, we presented a pilot study of single-cell transcriptomic profiles of 6,810 pulpal cells isolated from a sound human maxillary third molar and three carious teeth with enamel and deep dental caries. We observed altered immune cell compositions of the dental pulp in deep, but not enamel ones. Differential expression analysis revealed up-regulation of several pro-inflammatory, anti-inflammatory, and mineralization-related genes in the immune and stromal cells of the deep dental caries. Making use of an algorithm for predicting cell-to-cell interactions from single-cell transcriptomic profiles, we showed an increase in cell-cell interactions between B cells, plasma cells and macrophages, and other cell types in deep dental caries, including those between TIMP1 (odontoblasts)—CD63 (myeloid cells), and CCL2 (macrophages)—ACKR1 (endothelial cells). Collectively, our work highlighted the single-cell level gene regulations and intercellular interactions in the dental pulps in health and disease.
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Jahromi M, Nasri Z, Aminzadeh A. Clinical and histological response of human pulp tissue to direct pulp capping with mineral trioxide aggregate, Biodentine and propolis. Dent Res J (Isfahan) 2022. [DOI: 10.4103/1735-3327.344163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Song W, Li S, Tang Q, Chen L, Yuan Z. In vitro biocompatibility and bioactivity of calcium silicate‑based bioceramics in endodontics (Review). Int J Mol Med 2021; 48:128. [PMID: 34013376 PMCID: PMC8136140 DOI: 10.3892/ijmm.2021.4961] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/19/2021] [Indexed: 12/26/2022] Open
Abstract
Calcium silicate-based bioceramics have been applied in endodontics as advantageous materials for years. In addition to excellent physical and chemical properties, the biocompatibility and bioactivity of calcium silicate-based bioceramics also serve an important role in endodontics according to previous research reports. Firstly, bioceramics affect cellular behavior of cells such as stem cells, osteoblasts, osteoclasts, fibroblasts and immune cells. On the other hand, cell reaction to bioceramics determines the effect of wound healing and tissue repair following bioceramics implantation. The aim of the present review was to provide an overview of calcium silicate-based bioceramics currently applied in endodontics, including mineral trioxide aggregate, Bioaggregate, Biodentine and iRoot, focusing on their in vitro biocompatibility and bioactivity. Understanding their underlying mechanism may help to ensure these materials are applied appropriately in endodontics.
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Affiliation(s)
- Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Shue Li
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Zhenglin Yuan
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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Tong X, Hou S, Ma M, Zhang L, Zou R, Hou T, Niu L. The integration of transcriptome-wide association study and mRNA expression profiling data to identify candidate genes and gene sets associated with dental caries. Arch Oral Biol 2020; 118:104863. [DOI: 10.1016/j.archoralbio.2020.104863] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 07/26/2020] [Accepted: 07/28/2020] [Indexed: 12/19/2022]
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Rahayu RP, Pribadi N, Widjiastuti I, Nugrahani NA. Combinations of propolis and Ca(OH)2 in dental pulp capping treatment for the stimulation of reparative dentin formation in a rat model. F1000Res 2020; 9:308. [PMID: 32733674 PMCID: PMC7369428 DOI: 10.12688/f1000research.22409.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/17/2020] [Indexed: 11/20/2022] Open
Abstract
Background: Caries in the dental pulp result in inflammation and damage to the pulp tissue. During inflammation of the pulp, various inflammatory mediators and growth factors are released, including IL-8, IL-10, TLR-2, VEGF and TGF-β through the NF-kB pathway. In the present study, therapy for pulpal caries was performed through pulp capping by giving a combination of propolis and calcium hydroxide (Ca(OH)2). This treatment was expected to stimulate the formation of reparative dentin as an anti-inflammatory material to prevent pulp tissue damage. Methods: 28 Wistar rats were divided into four groups and treated with Ca(OH)2 with or without the addition of propolis for either 7 or 14 days. Immunohistochemical examination was used to determine the expression of IL-8, IL-10, TLR-2, VEGF, TGF-β in the four treatment groups. Results: The group treated with a combination of propolis and Ca(OH)2 for 7 days showed that the expression of IL-10, IL-8, TLR-2, VEGF, TGF-β increased significantly compared to the treatment group treated with only Ca(OH)2. The expression of IL-10, TLR-2, TGF-β, VEGF increased in the treatment group treated with propolis and Ca(OH)2 for 14 days, while the expression of IL-8 in the decreased significantly. Conclusions: Administration of a combination of propolis and Ca(OH)2 has efficacy in the pulp capping treatment process because it has anti-bacterial and immunomodulatory properties. The results show that it is able to stimulate the process of pulp tissue repair through increased expression of IL-10, TGF-β, VEGF, TLR -2 and decreased expression of IL-8.
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Affiliation(s)
- Retno Pudji Rahayu
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Airlangga University, Surabaya, East Java, 60131, Indonesia
| | - Nirawati Pribadi
- Department of Conservative Dentistry, Faculty of Dentistry, Airlangga University, Surabaya, East Java, 60131, Indonesia
| | - Ira Widjiastuti
- Department of Conservative Dentistry, Faculty of Dentistry, Airlangga University, Surabaya, East Java, 60131, Indonesia
| | - Nur Ariska Nugrahani
- Immunology Study Program, Airlangga University, Surabaya, East Java, 60131, Indonesia
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Messias NS, Grisote G, Martorano AS, Fernandes RR, Oliveira IRD, Bombonato-Prado KF, Oliveira PTD, Castro-Raucci LMSD. Impact of calcium aluminate cement with additives on dental pulp-derived cells. J Appl Oral Sci 2019; 28:e20190105. [PMID: 31800873 PMCID: PMC6886393 DOI: 10.1590/1678-7757-2019-0105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 06/10/2019] [Indexed: 11/29/2022] Open
Abstract
Calcium aluminate cement (CAC) has been highlighted as a promising alternative for endodontic use aiming at periapical tissue repair. However, its effects on dental pulp cells have been poorly explored. Objective: This study assessed the impact of calcium chloride (CaCl2) and bismuth oxide (Bi2O3) or zinc oxide (ZnO) additives on odontoblast cell response to CAC. Methodology: MDPC-23 cells were exposed for up to 14 d: 1) CAC with 2.8% CaCl2 and 25% ZnO (CACz); 2) CAC with 2.8% CaCl2 and 25% Bi2O3 (CACb); 3) CAC with 10% CaCl2 and 25% Bi2O3 (CACb+); or 4) mineral trioxide aggregate (MTA), placed on inserts. Non-exposed cultures served as control. Cell morphology, cell viability, gene expression of alkaline phosphatase (ALP), bone sialoprotein (BSP), and dentin matrix protein 1 (DMP-1), ALP activity, and extracellular matrix mineralization were evaluated. Data were compared using ANOVA (α=5%). Results: Lower cell density was detected only for MTA and CACb+ compared with Control, with areas showing reduced cell spreading. Cell viability was similar among groups at days one and three (p>0.05). CACb+ and MTA showed the lowest cell viability values at day seven (p>0.05). CACb and CACb+ promoted higher ALP and BSP expression compared with CACz (p<0.05); despite that, all cements supported ALP activity. Matrix mineralization were enhanced in CACb+ and MTA. Conclusion: In conclusion, CAC with Bi2O3, but not with ZnO, supported the expression of odontoblastic phenotype, but only the composition with 10% CaCl2 promoted mineralized matrix formation, rendering it suitable for dentin-pulp complex repair.
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Affiliation(s)
- Nadyne Saab Messias
- Universidade de Ribeirão Preto, Faculdade de Odontologia, Ribeirão Preto, SP, Brasil
| | - Gabriela Grisote
- Universidade de Ribeirão Preto, Faculdade de Odontologia, Ribeirão Preto, SP, Brasil
| | | | - Roger Rodrigo Fernandes
- Universidade de São Paulo, Faculdade de Odontologia de Ribeirão Preto, Ribeirão Preto, SP, Brasil
| | - Ivone Regina de Oliveira
- Universidade do Vale do Paraíba, Instituto de Pesquisa e Desenvolvimento, São José dos Campos, SP, Brasil
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Lopes CS, Junqueira MA, Cosme-Silva L, Pegoraro CDOR, Garbelini CCD, Oliveira TM, Martins NS, Neves JDS, Sakai VT. Initial inflammatory response after the pulpotomy of rat molars with MTA or ferric sulfate. J Appl Oral Sci 2019; 27:e20180550. [PMID: 31365709 PMCID: PMC6690728 DOI: 10.1590/1678-7757-2018-0550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 02/07/2019] [Indexed: 11/22/2022] Open
Abstract
Purpose To compare, both qualitatively and quantitatively, the inflammatory cells, vascular density and IL-6 immunolabeled cells present in the pulp after pulpotomy with white MTA versus 15.5% ferric sulfate (FS). Methodology Forty-eight mandibular first molars from 24 Wistar rats were divided into MTA or FS groups and subdivided according to the period after pulpotomy procedure (24, 48 and 72 hours). Four teeth (sound and untreated) were used as controls. Histological sections were obtained and assessed through the descriptive analysis of morphological aspects of pulp tissue and the quantification of inflammatory cells, vascular density and interleukin-6 (IL-6) expression. Data were statistically analyzed (p<0.05). Results The number of inflammatory cells was similar in both groups, being predominantly localized at the cervical radicular third. In the MTA group, increased inflammation was observed at 48 hours. Vascular density was similar in both groups and over time, being predominant in the medium radicular third. No correlation was found between the number of inflammatory cells and the vascular density. Pulp tissue was more organized in MTA-treated teeth. In both groups, a weak to moderate IL-6 expression was detected in odontoblasts and inflammatory cells. Comparing both groups, there was a greater IL-6 expression in the cervical radicular third of teeth treated with MTA at 24 hours and in the medium and apical thirds at 72 hours, while in the FS group a greater IL-6 expression was found in the apical third at 24 hours. Conclusion The MTA group presented better histological features and greater IL-6 expression than the FS group. However, no difference was observed between the groups regarding the inflammatory status and vascularization, suggesting the usefulness of FS as a low-cost alternative to MTA.
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Affiliation(s)
- Camila Soares Lopes
- Universidade Federal de Alfenas (UNIFAL-MG), Faculdade de Odontologia, Departamento de Clínica e Cirurgia, Alfenas, Minas Gerais, Brasil
| | - Marina Azevedo Junqueira
- Universidade Federal de Alfenas (UNIFAL-MG), Faculdade de Odontologia, Departamento de Clínica e Cirurgia, Alfenas, Minas Gerais, Brasil
| | - Leopoldo Cosme-Silva
- Universidade do Estado de São Paulo (UNESP), Faculdade de Odontologia de Araçatuba, Departamento de Endodontia, Araçatuba, São Paulo, Brasil
| | | | | | - Thais Marchini Oliveira
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Odontopediatria, Ortodontia e Saúde Coletiva, Bauru, São Paulo, Brasil
| | - Natália Silva Martins
- Universidade Federal de Alfenas (UNIFAL-MG), Instituto de Exatas, Departamento de Estatística, Alfenas, Minas Gerais, Brasil
| | - Juliana Dos Santos Neves
- Universidade Federal de Alfenas (UNIFAL-MG), Departamento de Biologia Estrutural, Alfenas, Minas Gerais, Brasil
| | - Vivien Thiemy Sakai
- Universidade Federal de Alfenas (UNIFAL-MG), Faculdade de Odontologia, Departamento de Clínica e Cirurgia, Alfenas, Minas Gerais, Brasil
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Giraud T, Jeanneau C, Rombouts C, Bakhtiar H, Laurent P, About I. Pulp capping materials modulate the balance between inflammation and regeneration. Dent Mater 2018; 35:24-35. [PMID: 30269862 DOI: 10.1016/j.dental.2018.09.008] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 09/14/2018] [Accepted: 09/16/2018] [Indexed: 01/05/2023]
Abstract
The interrelations between inflammation and regeneration are of particular significance within the dental pulp tissue inextensible environment. Recent data have demonstrated the pulp capacity to respond to insults by initiating an inflammatory reaction and dentin pulp regeneration. Different study models have been developed in vitro and in vivo to investigate the initial steps of pulp inflammation and regeneration. These include endothelial cell interaction with inflammatory cells, stem cell interaction with pulp fibroblasts, migration chambers to study cell recruitment and entire human tooth culture model. Using these models, the pulp has been shown to possess an inherent anti-inflammatory potential and a high regeneration capacity in all teeth and at all ages. The same models were used to investigate the effects of tricalcium silicate-based pulp capping materials, which were found to modulate the pulp anti-inflammatory potential and regeneration capacity. Among these, resin-containing materials such as TheraCal® shift the pulp response towards the inflammatory reaction while altering the regeneration process. On the opposite, resin-free materials such as Biodentine™ have an anti-inflammatory potential and induce the pulp regeneration capacity. This knowledge contradicts the new tendency of developing resin-based calcium silicate hybrid materials for direct pulp capping. Additionally, it would allow investigating the modulatory effects of newly released pulp capping materials on the balance between tissue inflammation and regeneration. It would also set the basis for developing future capping materials targeting these processes.
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Affiliation(s)
- Thomas Giraud
- Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, Marseille, France; APHM, Hôpital Timone, Service d'Odontologie, Marseille, 13005, France.
| | | | | | - Hengameh Bakhtiar
- Dental Material Research Center, Tehran Dental Branch, Islamic Azad University, Tehran, Iran.
| | - Patrick Laurent
- Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, Marseille, France; APHM, Hôpital Timone, Service d'Odontologie, Marseille, 13005, France.
| | - Imad About
- Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, Marseille, France.
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Ozdemir Y, Kutukculer N, Topaloglu-Ak A, Kose T, Eronat C. Comparative evaluation of pro-inflammatory cytokine levels in pulpotomized primary molars. J Oral Sci 2017; 57:145-50. [PMID: 26062864 DOI: 10.2334/josnusd.57.145] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
The present in vivo study was performed to investigate the levels of the pro-inflammatory cytokines, interleukin (IL)-1α, IL-6, and IL-8, in primary molars for which pulpotomy was clinically indicated, and to evaluate the success rates of three different pulpotomy agents employed for cariously (CExp) or mechanically exposed (MExp) primary molars. Forty-seven primary molars were classified as MExp or CExp according to the type of pulpal exposure. Pulp tissue was harvested and analyzed using enzyme-linked immunosorbent assay (ELISA). Subsequently, three pulpotomy agents-calcium hydroxide (CH), mineral trioxide aggregate (MTA), and formocresol (FC)-were applied randomly, and the outcome was observed radiographically for 18 months. Levels of IL-6 and IL-8 were significantly higher in CExp pulp than in MExp pulp (P < 0.05). In the CH pulpotomy group, MExp teeth showed a higher success rate than CExp teeth. There was no significant difference in success rate between MExp and CExp teeth in both the FC and MTA groups. The levels of IL-6 and IL-8 have the potential to become indicators of pulp status and can be monitored by researchers to make the prognosis of vital pulp therapies less uncertain. As MTA and FC yielded higher rates of success than CH in CExp teeth, the choice of pulpotomy agent appears to be important in this context.
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Affiliation(s)
- Yasemin Ozdemir
- Department of Pedodontics, Ege University Faculty of Dentistry
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11
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Gene Expression Profiling and Molecular Signaling of Various Cells in Response to Tricalcium Silicate Cements: A Systematic Review. J Endod 2016; 42:1713-1725. [DOI: 10.1016/j.joen.2016.08.027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 08/15/2016] [Accepted: 08/27/2016] [Indexed: 01/09/2023]
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12
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Saghiri MA, Asatourian A, Garcia-Godoy F, Sheibani N. Effect of biomaterials on angiogenesis during vital pulp therapy. Dent Mater J 2016; 35:701-709. [PMID: 27546854 DOI: 10.4012/dmj.2015-332] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This review intended to provide an overview of the effects of dental materials, used in dentin-pulp complex and dental pulp regeneration, on angiogenesis processes during regenerative endodontic procedures. An electronic search was performed in PubMed and MEDLINE databases via OVID using the keywords mentioned in the PubMed and MeSH headings for English language published articles from January 2005-April 2014 that evaluated the angiogenic properties of different dental materials used in regenerative endodontic procedures. Of the articles identified in an initial search, only 40 articles met the inclusion criteria set for this review. Vital pulp therapy materials might have positive effects on angiogenesis events, while most of the canal irrigating solutions and antibiotic pastes have anti-angiogenic activity except for EDTA. Future clinical studies will be helpful in defining the mechanisms of action for dental materials that promote or inhibit angiogenesis events at applied areas.
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Affiliation(s)
- Mohammad Ali Saghiri
- Departments of Ophthalmology and Visual Science and Biomedical Engineering, University of Wisconsin, School of Medicine and Public Health
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13
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SOARES DG, ROSSETO HL, BASSO FG, SCHEFFEL DS, HEBLING J, COSTA CADS. Chitosan-collagen biomembrane embedded with calcium-aluminate enhances dentinogenic potential of pulp cells. Braz Oral Res 2016; 30:e54. [DOI: 10.1590/1807-3107bor-2016.vol30.0054] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 12/02/2015] [Indexed: 11/21/2022] Open
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14
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Karygianni L, Proksch S, Schneider S, Vach K, Hellwig E, Steinberg T, Schulz SD, Tchorz JP, Altenburger MJ. The effects of various mixing solutions on the biocompatibility of mineral trioxide aggregate. Int Endod J 2015; 49:561-73. [DOI: 10.1111/iej.12483] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 06/10/2015] [Indexed: 12/19/2022]
Affiliation(s)
- L. Karygianni
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - S. Proksch
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - S. Schneider
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - K. Vach
- Institute for Medical Biometry and Statistics; Center for Medical Biometry and Medical Informatics; University of Freiburg; Freiburg Germany
| | - E. Hellwig
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - T. Steinberg
- Department of Oral Biotechnology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - S. D. Schulz
- Department of Oral Biotechnology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - J. P. Tchorz
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
| | - M. J. Altenburger
- Department of Operative Dentistry and Periodontology; Center for Dental Medicine; University of Freiburg; Freiburg Germany
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Chang SW, Lee SY, Kum KY, Kim EC. Effects of ProRoot MTA, Bioaggregate, and Micromega MTA on Odontoblastic Differentiation in Human Dental Pulp Cells. J Endod 2014; 40:113-8. [DOI: 10.1016/j.joen.2013.09.036] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 09/09/2013] [Accepted: 09/19/2013] [Indexed: 11/15/2022]
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17
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Shimamura S, Sasaki K, Tanaka M. The Src substrate SKAP2 regulates actin assembly by interacting with WAVE2 and cortactin proteins. J Biol Chem 2012; 288:1171-83. [PMID: 23161539 DOI: 10.1074/jbc.m112.386722] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
In our attempt to screen for substrates of Src family kinases in glioblastoma, Src kinase-associated phosphoprotein 2 (SKAP2) was identified. Although SKAP2 has been suggested to be associated with integrin-mediated adhesion of hematopoietic cells, little is known about its molecular function and the effects in other types of cells and tumors. Here, we demonstrate that SKAP2 physically associates with actin assembly factors WAVE2 and cortactin and inhibits their interaction. Cortactin is required for the membrane localization of WAVE2, and SKAP2 suppresses actin polymerization mediated by WAVE2 and cortactin in vitro. Knockdown of SKAP2 in NIH3T3 accelerated cell migration and enhanced translocation of WAVE2 to the cell membrane, and those effects of SKAP2 depend on the binding activity of SKAP2 to WAVE2. Furthermore, reduction of SKAP2 in the glioblastoma promoted tumor invasion both in ex vivo organotypic rat brain slices and immune-deficient mouse brains. These results suggest that SKAP2 negatively regulates cell migration and tumor invasion in fibroblasts and glioblastoma cells by suppressing actin assembly induced by the WAVE2-cortactin complex, indicating that SKAP2 may be a novel candidate for the suppressor of tumor progression.
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Affiliation(s)
- Shintaro Shimamura
- Department of Molecular Medicine and Biochemistry, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, Japan
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Abstract
Vital pulp therapy is performed to preserve the health status of the tooth and its ultimate position in the arch. These procedures are performed routinely in primary and permanent teeth. This review is divided into 2 parts: the first aims to illustrate the basic biology of the pulp and the effects on the pulp due to various procedures; the second focuses on the clinical aspects of treatment and the use of various dental materials during different vital pulp therapy procedures performed in the primary and permanent teeth.
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Leite MF, Lima AM, Otton R. Combination of astaxanthin and fish oil supplementation alters antioxidant enzyme profile of dental pulp tissue. Int Endod J 2012; 45:1109-15. [DOI: 10.1111/j.1365-2591.2012.02080.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 04/19/2012] [Indexed: 11/28/2022]
Affiliation(s)
- M. F. Leite
- Universidade Cruzeiro do Sul; São Paulo; Brazil
| | - A. M. Lima
- Universidade Cruzeiro do Sul; São Paulo; Brazil
| | - R. Otton
- Universidade Cruzeiro do Sul; São Paulo; Brazil
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