Journal of dental research最新文献

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Genetically Supported Drug Targets and Dental Traits: A Mendelian Randomization Study. 基因支持药物靶点与牙齿特征:孟德尔随机化研究。
Journal of dental research Pub Date : 2024-10-06 DOI: 10.1177/00220345241272045
L Liu, T Wang, C Duan, S Mao, B Wu, Y Chen, D Huang, Y Cao
{"title":"Genetically Supported Drug Targets and Dental Traits: A Mendelian Randomization Study.","authors":"L Liu, T Wang, C Duan, S Mao, B Wu, Y Chen, D Huang, Y Cao","doi":"10.1177/00220345241272045","DOIUrl":"https://doi.org/10.1177/00220345241272045","url":null,"abstract":"<p><p>Current interventions for oral/dental diseases heavily rely on operative/surgical procedures, while the discovery of novel drug targets may enable access to noninvasive pharmacotherapy. Therefore, this study aims to leverage large-scale data and Mendelian randomization (MR) techniques, utilizing genetic variants as instruments, to identify potential therapeutic targets for oral and dental diseases supported by genetic evidence. By intersecting 4,302 druggable genes with expression quantitative trait loci from 31,684 blood samples, we identified 2,580 druggable targets as exposures. Single nucleotide polymorphisms associated with dental disease/symptom traits were collected from FinnGen R9, the Gene-Lifestyle Interactions in Dental Endpoints consortium, and the UK Biobank to serve as outcomes for both discovery and replication purposes. Through MR analysis, we identified 43 druggable targets for various dental disease/symptom traits. To evaluate the viability of these targets, we replicated the analysis using circulating protein quantitative trait loci as exposures. Additionally, we conducted sensitivity, colocalization, Gene Ontology/Kyoto Encyclopedia of Genes and Genomes annotation, protein-protein interaction analyses, and validated dental trait-associated druggable gene expression in animal models. Among these targets, <i>IL12RB1</i> (odds ratio [OR], 1.01; 95% confidence interval [CI], 1.01-1.01) and <i>TNF</i> (OR, 0.98; 95% CI, 0.97-0.99) exhibited therapeutic promise for oral ulcers, whereas <i>CXCL10</i> (OR, 0.84; 95% CI, 0.76-0.91) was for periodontitis. Through a rigorous quality control and validation pipeline, our study yields compelling evidence for these druggable targets, which may enhance the clinical prognosis by developing novel drugs or repurposing existing ones.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Therapeutic Use of Dental Mesenchymal Stem Cells in Human Clinical Trials. 牙间质干细胞在人类临床试验中的治疗用途。
Journal of dental research Pub Date : 2024-10-06 DOI: 10.1177/00220345241261900
S Ivanovski, P Han, O A Peters, M Sanz, P M Bartold
{"title":"The Therapeutic Use of Dental Mesenchymal Stem Cells in Human Clinical Trials.","authors":"S Ivanovski, P Han, O A Peters, M Sanz, P M Bartold","doi":"10.1177/00220345241261900","DOIUrl":"https://doi.org/10.1177/00220345241261900","url":null,"abstract":"<p><p>Mesenchymal stem cells (MSCs), characterized by their undifferentiated and multipotent nature, can be derived from various sources, including bone marrow, adipose, and dental tissues. Among these, dental MSCs (DSCs) exhibit universal MSC characteristics and are attracting considerable attention for regenerating oral and craniofacial tissues. This review provides a contemporary overview of recently published clinical studies using DSCs for various orodental and maxillofacial regenerative applications, including bone, periodontal, and endodontic regeneration. It also explores the utilization of DSCs in treating systemic conditions, exemplified by their application in managing conditions such as COVID-19 and osteoarthritis. The available evidence underscores the potential of DSCs and their secretome as efficacious tools in regenerative medicine for both dental and nondental clinical applications, supporting the continued promise of stem cell-based therapies. It is nevertheless evident that there are a number of important challenges that restrict the widespread utilization of DSCs, namely, difficulty in standardizing autologous preparations, insufficient cell surface marker characterization, high production costs, and regulatory compliance requirements. Further, the unique requirements of dental applications, especially complex structures such as the periodontium, where temporospatial control over the healing process is required, necessitate the combination of stem cells with appropriate scaffolds according to the principles of tissue engineering. There is currently insufficient evidence to support the clinical translation of DSCs into clinical practice, and phase 3 clinical trials with standardized protocols for cell sourcing, propagation, dosing, and delivery are required to move the field forward. In summary, this review provides a contemporary overview of the evolving landscape of stem cell therapy, offering insights into the latest developments and trends as well as the challenges that need to be addressed for the widespread application of DSC-based cell therapies.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ALKBH5 Regulates Osteogenic Differentiation via the lncRNA/mRNA Complex. ALKBH5通过lncRNA/mRNA复合物调控成骨细胞分化
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-09-23 DOI: 10.1177/00220345241266775
Y Song, H Gao, Y Pan, Y Gu, W Sun, Y Wang, J Liu
{"title":"ALKBH5 Regulates Osteogenic Differentiation via the lncRNA/mRNA Complex.","authors":"Y Song, H Gao, Y Pan, Y Gu, W Sun, Y Wang, J Liu","doi":"10.1177/00220345241266775","DOIUrl":"10.1177/00220345241266775","url":null,"abstract":"<p><p>Human adipose-derived stem cells (hASCs) are commonly used in bone tissue regeneration. The N6-methyladenosine (m<sup>6</sup>A) modification has emerged as a novel regulatory mechanism for gene expression, playing a critical role in osteogenic differentiation of stem cells. However, the precise role and mechanism of alkylation repair homolog 5 (ALKBH5) in hASC osteogenesis remain incompletely elucidated and warrant further investigation. Herein, we employed methylated RNA immunoprecipitation sequencing, RNA sequencing, and weighted gene coexpression network analysis to identify a key long noncoding RNA (lncRNA) in hASCs: lncRNA AK311120. Functional experiments demonstrated that lnc-AK311120 promoted the osteogenic differentiation of hASCs, while a mutation at the m<sup>6</sup>A central site A of lnc-AK311120 was found to decrease the level of m<sup>6</sup>A modification. The osteogenic effect of ALKBH5 was confirmed both in vitro and in vivo using a mandibular defect model in nude mice. Subsequent investigations revealed that knockdown of ALKBH5 resulted in a significant increase in the m<sup>6</sup>A modification level of lnc-AK311120, accompanied by a downregulation in the expression level of lnc-AK311120. Additional rescue experiments demonstrated that overexpression of lnc-AK311120 could restore the phenotype after ALKBH5 knockdown. We observed that AK311120 interacted with the RNA-binding proteins DExH-Box helicase 9 (DHX9) and YTH domain containing 2 (YTHDC2) to form a ternary complex, while mitogen-activated protein kinase kinase 7 (MAP2K7) served as the shared downstream target gene of DHX9 and YTHDC2. Knockdown of AK311120 led to a reduction in the binding affinity between DHX9/YTHDC2 and the target gene MAP2K7. Furthermore, ALKBH5 facilitated the translation of MAP2K7 and activated the downstream JNK signaling pathway through the AK311120-DHX9-YTHDC2 complex, without affecting its messenger RNA level. Collectively, we have investigated the regulatory effect and mechanism of ALKBH5-mediated demethylation of lncRNA in hASC osteogenesis for the first time, offering a promising approach for bone tissue engineering.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Letter to the Editor, "Sjögren's Disease Is Not a Clinical Risk Factor for Periodontitis". 致编辑的信,《斯约格伦病不是牙周炎的临床风险因素》。
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-09-29 DOI: 10.1177/00220345241256583
A Vissink, D J Jager, F Maarse, H Brand
{"title":"Letter to the Editor, \"Sjögren's Disease Is Not a Clinical Risk Factor for Periodontitis\".","authors":"A Vissink, D J Jager, F Maarse, H Brand","doi":"10.1177/00220345241256583","DOIUrl":"10.1177/00220345241256583","url":null,"abstract":"","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141201669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The OHStat Guidelines for Reporting Observational Studies and Clinical Trials in Oral Health Research: Manuscript Checklist. 口腔健康研究观察性研究和临床试验报告 OHStat 指南:手稿核对表。
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-07-12 DOI: 10.1177/00220345241247028
A M Best, T A Lang, B L Greenberg, J C Gunsolley, E Ioannidou
{"title":"The OHStat Guidelines for Reporting Observational Studies and Clinical Trials in Oral Health Research: Manuscript Checklist.","authors":"A M Best, T A Lang, B L Greenberg, J C Gunsolley, E Ioannidou","doi":"10.1177/00220345241247028","DOIUrl":"10.1177/00220345241247028","url":null,"abstract":"<p><p>Adequate and transparent reporting is necessary for critically appraising published research. Yet, ample evidence suggests that the design, conduct, analysis, interpretation, and reporting of oral health research could be greatly improved. Accordingly, the Task Force on Design and Analysis in Oral Health Research-statisticians and trialists from academia and industry-identified the minimum information needed to report and evaluate observational studies and clinical trials in oral health: the OHStat Guidelines. Drafts were circulated to the editors of 85 oral health journals and to Task Force members and sponsors and discussed at a December 2020 workshop attended by 49 researchers. The guidelines were subsequently revised by the Task Force's writing group. The guidelines draw heavily from the Consolidated Standards for Reporting Trials (CONSORT), Strengthening the Reporting of Observational Studies in Epidemiology (STROBE), and CONSORT harms guidelines and incorporate the SAMPL guidelines for reporting statistics, the CLIP principles for documenting images, and the GRADE indicating the quality of evidence. The guidelines also recommend reporting estimates in clinically meaningful units using confidence intervals, rather than relying on <i>P</i> values. In addition, OHStat introduces 7 new guidelines that concern the text itself, such as checking the congruence between abstract and text, structuring the discussion, and listing conclusions to make them more specific. OHStat does not replace other reporting guidelines; it incorporates those most relevant to dental research into a single document. Manuscripts using the OHStat guidelines will provide more information specific to oral health research.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11504342/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141592456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coloring Multilayer Zirconia May Affect Its Optical and Mechanical Properties. 多层氧化锆着色可能会影响其光学和机械性能
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-10-04 DOI: 10.1177/00220345241271211
S M Čokić, M Li, S Huang, J Vleugels, B Van Meerbeek, F Zhang
{"title":"Coloring Multilayer Zirconia May Affect Its Optical and Mechanical Properties.","authors":"S M Čokić, M Li, S Huang, J Vleugels, B Van Meerbeek, F Zhang","doi":"10.1177/00220345241271211","DOIUrl":"10.1177/00220345241271211","url":null,"abstract":"<p><p>The coloring process of monolithic dental zirconia caused considerable debate on the possible effects of different coloring methods. The main objective of this study was to investigate the influence of pigments in 3 multilayer 5-mol% yttria partially stabilized zirconia (5Y-PSZ) disks (Lava Esthetic A2 [Zr-AGG_A2] and Bleach [Zr-AGG_BL], both 3M Oral Care, and Katana STML A2 [Zr-NoAGG], Kuraray Noritake). The influence of pigment addition on the translucency parameter (TP<sub>00</sub>), fracture toughness, Vickers hardness, biaxial strength, and hydrothermal stability was assessed and correlated with the microstructure and phase composition. The pigment composition and distribution were evaluated by light and fluorescence microscopy, electron probe microanalysis, and nano-scanning electron microscopy. The chemical and phase composition and aging behavior were assessed using X-ray fluorescence and X-ray diffraction, respectively, while the aging sensitivity of the pigments was evaluated using micro-Raman spectroscopy. In contrast to Zr-NoAGG, possessing a typical 5Y-PSZ microstructure, the pigment additions in both Zr-AGG_A2/BL zirconia resulted in large yellow and blue fluorescent Er-, Hf-, and Al-containing agglomerates composed of small grains (0.57 µm and 0.38 µm, respectively, vs. 0.92 µm for the surrounding grains) with lower Y<sub>2</sub>O<sub>3</sub> content. Zr-AGG_A2 had the lowest aging resistance, with transformation degradation occurring exclusively within the pigment agglomerates. All zirconia grades had a high Y<sub>2</sub>O<sub>3</sub> content (4.2%-5.7 mol%) tetragonal ZrO<sub>2</sub> phase and a high (42%-55 wt%) cubic ZrO<sub>2</sub> phase content. Although no statistical differences were measured for hardness and toughness, Zr-NoAGG had a significantly higher TP<sub>00</sub>, higher flexural strength, and lower mechanical reliability compared to both Zr-AGG_A2/BL zirconia. The rare-earth oxide-containing zirconia agglomerates that were added as pigments to the multilayered monolithic Zr-AGG_A2/BL zirconia are the cause for their lower optical and mechanical properties and reduced aging resistance.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142373934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acceleration of HDL-Mediated Cholesterol Efflux Alleviates Periodontitis. 加速高密度脂蛋白介导的胆固醇外流可缓解牙周炎。
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-09-23 DOI: 10.1177/00220345241271075
T-T Tran, G Lee, Y H Huh, K-H Chung, S Y Lee, K H Park, J-H Kim, M-S Kook, J Ryu, O-S Kim, H-P Lim, J-T Koh, J-H Ryu
{"title":"Acceleration of HDL-Mediated Cholesterol Efflux Alleviates Periodontitis.","authors":"T-T Tran, G Lee, Y H Huh, K-H Chung, S Y Lee, K H Park, J-H Kim, M-S Kook, J Ryu, O-S Kim, H-P Lim, J-T Koh, J-H Ryu","doi":"10.1177/00220345241271075","DOIUrl":"10.1177/00220345241271075","url":null,"abstract":"<p><p>Periodontitis (PD) is a common inflammatory disease known to be closely associated with metabolic disorders, particularly hyperlipidemia. In the current study, we demonstrated that hypercholesterolemia is a predisposing factor in the development of PD. Logistic regression analysis revealed a strong positive correlation between PD and dyslipidemia. Data from in vivo (PD mouse model subjected to a high cholesterol diet) and in vitro (cholesterol treatment of gingival fibroblasts [GFs]) experiments showed that excess cholesterol influx into GFs potentially contributes to periodontal inflammation and, subsequently, alveolar bone erosion. Additionally, we compared the protective efficacies of cholesterol-lowering drugs with their different modes of action against PD pathogenesis in mice. Among the cholesterol-lowering drugs we tested, fenofibrate exerted the most protective effect against PD pathogenesis due to an increased level of high-density lipoprotein cholesterol, a lipoprotein involved in cholesterol efflux from cells and reverse cholesterol transport. Indeed, cholesterol efflux was suppressed during PD progression by downregulation of the apoA-I binding protein (APOA1BP) expression in inflamed GFs. We also demonstrated that the overexpression of APOA1BP efficiently regulated periodontal inflammation and the subsequent alveolar bone loss by inducing cholesterol efflux. Our collective findings highlight the potential utility of currently available cholesterol-lowering medications for the mitigation of PD pathogenesis. By targeting the acceleration of high-density lipoprotein-mediated cellular cholesterol efflux, a new therapeutic approach for PD may become possible.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trustworthy Artificial Intelligence in Dentistry: Learnings from the EU AI Act. 牙科领域值得信赖的人工智能:从欧盟人工智能法案中汲取经验。
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-09-23 DOI: 10.1177/00220345241271160
M Ducret, E Wahal, D Gruson, S Amrani, R Richert, M Mouncif-Moungache, F Schwendicke
{"title":"Trustworthy Artificial Intelligence in Dentistry: Learnings from the EU AI Act.","authors":"M Ducret, E Wahal, D Gruson, S Amrani, R Richert, M Mouncif-Moungache, F Schwendicke","doi":"10.1177/00220345241271160","DOIUrl":"10.1177/00220345241271160","url":null,"abstract":"<p><p>Artificial intelligence systems (AISs) gain relevance in dentistry, encompassing diagnostics, treatment planning, patient management, and therapy. However, questions about the generalizability, fairness, and transparency of these systems remain. Regulatory and governance bodies worldwide are aiming to address these questions using various frameworks. On March 13, 2024, members of the European Parliament approved the Artificial Intelligence Act (AIA), which emphasizes trustworthiness and human-centeredness as relevant aspects to regulate AISs beyond safety and efficacy. This review presents the AIA and similar regulatory and governance efforts in other jurisdictions and lays out that regulations such as the AIA are part of a complex ecosystem of interdependent and interwoven legal requirements and standards. Current efforts to regulate dental AISs require active input from the dental community, with participation of dental research, education, providers, and patients being relevant to shape the future of dental AISs.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11500481/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142304941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Big Data in Epidemiology: Brave New World? 流行病学中的大数据:勇敢的新世界?
Journal of dental research Pub Date : 2024-10-01 Epub Date: 2024-10-02 DOI: 10.1177/00220345241272034
R A Jordan, R K Celeste, E Bernabe, F Schwendicke
{"title":"Big Data in Epidemiology: Brave New World?","authors":"R A Jordan, R K Celeste, E Bernabe, F Schwendicke","doi":"10.1177/00220345241272034","DOIUrl":"10.1177/00220345241272034","url":null,"abstract":"<p><p>Epidemiology is experiencing a significant shift toward the utilization of big data for health monitoring and decision-making. This article discusses the recent example of the World Health Organization (WHO) global oral health status report and regional summaries, which faced criticisms due to its reliance on big data from the Global Burden of Disease (GBD) study. We address the arguments for and against the use of big data in epidemiology and provide an assessment of the value and limitations of big data epidemiology. Moreover, we provide recommendations as to how the oral health community should reconcile traditional epidemiologic approaches with big data and advanced data analytics. This Perspective article highlights the challenges of the current epidemiologic landscape, the potential of big data, and the need for a balanced approach to data utilization in epidemiology.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142368048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Six1 Regulates Mouse Incisor Development by Promoting Dlx1/2/5 Expression. Six1 通过促进 Dlx1/2/5 的表达调控小鼠门齿的发育
Journal of dental research Pub Date : 2024-09-01 Epub Date: 2024-08-05 DOI: 10.1177/00220345241256286
S Y Luo, S Wang, Z X Liu, Q Bian, X D Wang
{"title":"<i>Six1</i> Regulates Mouse Incisor Development by Promoting <i>Dlx1/2/5</i> Expression.","authors":"S Y Luo, S Wang, Z X Liu, Q Bian, X D Wang","doi":"10.1177/00220345241256286","DOIUrl":"10.1177/00220345241256286","url":null,"abstract":"<p><p>Tooth development is a complex process orchestrated by intricate gene regulatory networks, involving both odontogenic epithelium and ectomesenchyme. <i>Six1</i>, a pivotal transcription factor (TF), is involved in the development of the lower incisor. However, its precise role during incisor development and the molecular mechanisms underpinning its regulatory functions remain poorly understood. This study employs <i>Six1</i> deletion mouse models to elucidate the critical regulatory role of <i>Six1</i> in governing dental mesenchyme development. By performing single-cell RNA sequencing, we constructed a comprehensive transcriptome atlas of tooth germ development from the bud to bell stage. Our analyses suggest that the dental follicle and the dental papilla (DP) are differentiated from dental ectomesenchyme (DEM) and identify the key TFs underlying these distinct states. Notably, we show that <i>Dlx1</i>, <i>Dlx2</i>, and <i>Dlx5</i> (<i>Dlx1</i>/<i>2</i>/<i>5</i>) may function as the key TFs that promote the formation of DP. We further show that the deletion of <i>Six1</i> perturbs dental mesenchyme development by impeding the transitions from DEM to DP states. Importantly, SIX1 directly binds to the promoters of <i>Dlx1</i>/<i>2</i>/<i>5</i> to promote their co-expression, which subsequently leads to widespread epigenetic and transcriptional remodeling. In summary, our findings unveil <i>Six1</i>'s indispensable role in incisor development, offering key insights into TF-driven regulatory networks that govern dental mesenchyme cell fate transitions during tooth development.</p>","PeriodicalId":94075,"journal":{"name":"Journal of dental research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141891319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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