Archives of oral biology最新文献

{"title":"The association between genetic factors and temporomandibular disorders: A systematic literature review","authors":"Ahid Amer Alshahrani ,&nbsp;Ravinder S. Saini ,&nbsp;Abdulmajeed Okshah ,&nbsp;Abdulkhaliq Ali F. Alshadidi ,&nbsp;Masroor Ahmed Kanji ,&nbsp;Rajesh Vyas ,&nbsp;Rayan Ibrahim H. Binduhayyim ,&nbsp;Naseer Ahmed ,&nbsp;Seyed Ali Mosaddad ,&nbsp;Artak Heboyan","doi":"10.1016/j.archoralbio.2024.106032","DOIUrl":"10.1016/j.archoralbio.2024.106032","url":null,"abstract":"<div><h3>Objective</h3><p>This study aimed to investigate the correlation between genetic factors and the occurrence and progression of temporomandibular disorders (TMDs) using a comprehensive review and meta-analysis.</p></div><div><h3>Design</h3><p>A comprehensive search was conducted using the ScienceDirect, PubMed, Cochrane Library, Dimensions, and Emerald databases. A reviewer selected the study using modified PICO criteria, considering human subjects with TMDs, comparing different genetic factors among TMD and non-TMD patients, and reporting TMD signs and symptoms as outcomes. The methodological standards of the eligible papers were assessed using the Joanna Briggs Institute (JBI) Critical Appraisal Checklist for Non-randomized Experimental Investigations. Information was collected methodically and examined.</p></div><div><h3>Results</h3><p>The electronic database search yielded 851 articles, 19 of which were included in this study. The data analysis showed a significant influence of genetic factors, such as polymorphisms and gene differences, on the development of TMD signs and symptoms, such as myofascial pain, chronic pain, and disc displacement. In addition, gene polymorphism significantly influenced TMD development, with an odds ratio of 2.46 (1.93–3.14) and p of 0.00001.</p></div><div><h3>Conclusions</h3><p>Genetic factors significantly influenced TMD signs and symptoms, and genetic polymorphisms significantly influenced TMD onset and progression. Further research should be conducted in diverse settings with larger sample sizes to verify and validate these findings.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"166 ","pages":"Article 106032"},"PeriodicalIF":2.2,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0003996924001535/pdfft?md5=1fc1e92f8fa457b6c78ba7f4a7a80356&pid=1-s2.0-S0003996924001535-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141473375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oral behaviors and anxiety are significant predictors of jaw function limitation in patients with anterior disc displacement without reduction","authors":"Zhong-yi Fang ,&nbsp;Yang Yang ,&nbsp;Yuan Yao,&nbsp;Sha-sha Liu,&nbsp;Li-kun Liu,&nbsp;Shen-ji Lu,&nbsp;Hong Zeng,&nbsp;Bin Cai,&nbsp;Li-li Xu","doi":"10.1016/j.archoralbio.2024.106033","DOIUrl":"10.1016/j.archoralbio.2024.106033","url":null,"abstract":"<div><h3>Objective</h3><p>We aimed to describe jaw function characteristics in patients with anterior disc displacement without reduction (ADDWoR) using the jaw function limitation scale (JFLS), and to investigate the effects of biopsychosocial risk factors on limited jaw function.</p></div><div><h3>Design</h3><p>In this cross-sectional study of 636 patients with ADDWoR (females, 568; males, 68), we used the JFLS to assess jaw function. Behavioral, psychological, sociodemographic, and biomedical data were collected. Multivariate logistic regression analysis was used to determine risk factors affecting limited jaw function. A receiver operating characteristic curve was used to evaluate the predictive effect of these risk factors.</p></div><div><h3>Results</h3><p>ADDWoR-associated limitations included restricted jaw mobility and mastication, which exceeded median global functional limitations scale scores, especially mouth opening to bite an apple and chewing tough food. Females had greater limitations in jaw mobility, verbal and emotional communication, and overall. Multivariate logistic regression analysis findings indicated that oral behaviors, anxiety, sex, pain intensity, and maximal mouth opening (MMO) were predictive of limited jaw function (area under the curve, 72 %).</p></div><div><h3>Conclusion</h3><p>Patients with ADDWoR reported mastication and jaw mobility restrictions, with females having more pronounced limitations, and specific risk factors identified as significant predictors of jaw function limitations. Along with pain relief and improvement in MMO, appropriate psychological counseling and oral behavioral correction facilitates recovery of jaw function in such patients.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"166 ","pages":"Article 106033"},"PeriodicalIF":2.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141581811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acquired pellicle and biofilm engineering with CaneCPI-5: Insights from proteomic and microbiomics analysis","authors":"Tamara Teodoro Araujo ,&nbsp;Aline Dionizio ,&nbsp;Thamyris de Souza Carvalho ,&nbsp;Ana Luiza Bogaz Debortolli ,&nbsp;Mariele Vertuan ,&nbsp;Beatriz Martines de Souza ,&nbsp;João Victor Frazão Camara ,&nbsp;Flavio Henrique-Silva ,&nbsp;Marcos Chiaratti ,&nbsp;Angélica Santos ,&nbsp;Lindomar Alves ,&nbsp;Milene Ferro ,&nbsp;Ana Carolina Magalhães ,&nbsp;Marília Afonso Rabelo Buzalaf","doi":"10.1016/j.archoralbio.2024.106025","DOIUrl":"10.1016/j.archoralbio.2024.106025","url":null,"abstract":"<div><h3>Objective</h3><p>In this <em>in vivo</em> proof-of-concept study, acquired pellicle engineering was implemented to promote alterations in the protein composition of the acquired enamel pellicle (AEP) and the bacterial composition of the dental biofilm after treatment with Sugarcane cystatin (CaneCPI-5).</p></div><div><h3>Design</h3><p>After prophylaxis, 10 volunteers rinsed (10 mL, 1 min) with the following solutions: 1) deionized water (H₂O- negative control or 2) 0.1 mg/mL CaneCPI-5. The AEP and biofilm were formed along 2 or 3 h, respectively. The AEP was collected with electrode filter papers soaked in 3 % citric acid. After protein extraction, samples were analyzed by quantitative shotgun label-free proteomics. The biofilm microbiome was collected with a dental curette. The DNA was extracted, amplified, and analyzed by 16S-rRNA Next Generation Sequencing (NGS).</p></div><div><h3>Results</h3><p>Treatment with CaneCPI-5 increased several proteins with antimicrobial, acid-resistance, affinity for hydroxyapatite, structural and calcium binding properties, such as Cysteine-rich-3 (6-fold-p = 0.03), Cystatin-B (5.5-fold-p &lt; 0.01), Neutrophil-defensin 1 (4.7-fold-p &lt; 0.01), Mucin (3.9-fold-p &lt; 0.01), Immunoglobulin-heavy-constant (3.8-fold-p &lt; 0.01) and Lactotransferrin (2.8-fold-p &lt; 0.01). Microbiome revealed that several commensal bacteria had their abundance increased after rinsing with CaneCPI-5, such as Corynebacterium and Neisseria, while Streptococcus and <em>Prevotella nigrescens</em> were decreased. The results indicate the efficiency of CaneCPI-5 in promoting beneficial changes in the AEP and biofilm, making this phytocystatin a potential target for incorporation into dental products.</p></div><div><h3>Conclusion</h3><p>Cane demonstrated the capability to alter the protein composition of the acquired enamel pellicle (AEP) and the initial colonizers of the biofilm, enhancing the presence of proteins and bacteria crucial for dental protection.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"166 ","pages":"Article 106025"},"PeriodicalIF":2.2,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141473361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"TTYH3 promotes the malignant progression of oral squamous cell carcinoma SCC-9 cells by regulating tumor-associated macrophage polarization","authors":"Yuhui Cao,&nbsp;Zhihui Zhou,&nbsp;Shuai He,&nbsp;Wenhui Liu","doi":"10.1016/j.archoralbio.2024.106028","DOIUrl":"10.1016/j.archoralbio.2024.106028","url":null,"abstract":"<div><h3>Objective</h3><p>This study was designed to investigate the biological role and the reaction mechanism of Tweety family member 3 (TTYH3) in oral squamous cell carcinoma (OSCC).</p></div><div><h3>Design</h3><p>The mRNA and protein expressions of TTYH3 were assessed with RT-qPCR and western blot. After silencing TTYH3 expression, the proliferation of OSCC cells were detected using cell counting kit-8 (CCK-8) assay, 5-ethynyl-2′-deoxyuridine (EdU) staining and colony formation assay. Cell migration and invasion were detected using wound healing and transwell. Gelatin zymography protease assay was used to detect matrix metalloproteinase-2 (MMP2) and matrix metalloproteinase-2 (MMP9) activity and western blot was used to detect the expressions of proteins associated with proliferation and epithelial-mesenchymal transition (EMT). The mRNA expression of TTYH3 in THP-1-derived macrophage was detected using real-time reverse transcriptase-polymerase chain reaction (RT-qPCR). The number of CD86-positive cells and CD206-positive cells was detected using immunofluorescence assay. RT-qPCR was used to detect the expressions of M2 markers arginase 1 (ARG1), chitinase-like 3 (YM1) and mannose receptor C-type 1 (MRC1).</p></div><div><h3>Results</h3><p>In this study, it was found that TTYH3 expression was upregulated in OSCC cell lines and TTYH3 knockdown could inhibit the proliferation, migration, invasion and EMT process in OSCC via suppressing M2 polarization of tumor-associated macrophages.</p></div><div><h3>Conclusions</h3><p>Collectively, TTYH3 facilitated the progression of OSCC through the regulation of tumor-associated macrophages polarization.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"165 ","pages":"Article 106028"},"PeriodicalIF":2.2,"publicationDate":"2024-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141414478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Overexpression of programmed cell death ligand 1 reduces LPS-induced inflammatory cytokine upregulation and enhances osteo/odontogenic-differentiation of human dental pulp stem cells via upregulation of CCCTC-binding factor","authors":"Yinan Zhu ,&nbsp;Minmin Chen ,&nbsp;Fang Liu ,&nbsp;Buyun Li ,&nbsp;Yanwen He","doi":"10.1016/j.archoralbio.2024.106031","DOIUrl":"10.1016/j.archoralbio.2024.106031","url":null,"abstract":"<div><h3>Objective</h3><p>The aim of this study was to explore the effect and mechanism of programmed cell death ligand 1 (PD-L1) in promoting the proliferation and osteo/odontogenic-differentiation of human dental pulp stem cells (hDPSCs) by mediating CCCTC-binding factor (CTCF) expression.</p></div><div><h3>Design</h3><p>The interaction between PD-L1 and CTCF was verified through co-immunoprecipitation. hDPSCs transfected with PD-L1 overexpression and CTCF knockdown vectors were treated with lipopolysaccharide or an osteogenic-inducing medium. Inflammatory cytokines and osteo/odontogenic-differentiation related genes were measured. Osteo/odontogenic-differentiation of hDPSCs was assessed using alkaline phosphatase (ALP) and alizarin red S staining.</p></div><div><h3>Results</h3><p>Overexpression of PD-L1 inhibited LPS-induced pro-inflammatory cytokine upregulation, cell proliferation, ALP activity, and calcium deposition in hDPSCs and elevated the expression of osteo/odontogenic-differentiation related genes; however, such expression patterns could be reversed by CTCF knockdown. Co-immunoprecipitation results confirmed the binding of PD-L1 to CTCF, indicating that PD-L1 overexpression in hDPSCs increases CTCF expression, thus inhibiting the inflammatory response and increasing osteo/odontogenic-differentiation of hDPSCs.</p></div><div><h3>Conclusion</h3><p>PD-L1 overexpression in hDPSCs enhances the proliferation and osteo/odontogenic-differentiation of hDPSCs and inhibit the inflammatory response by upregulating CTCF expression.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"165 ","pages":"Article 106031"},"PeriodicalIF":2.2,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141403443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Early onset of enamel formation in Baka pygmy’s deciduous canines","authors":"Elsa Sonkeng Tiwa ,&nbsp;Charles Muhima Pilipili ,&nbsp;Fernando V. Ramírez Rozzi","doi":"10.1016/j.archoralbio.2024.106030","DOIUrl":"10.1016/j.archoralbio.2024.106030","url":null,"abstract":"<div><h3>Objective</h3><p>Our aim was to evaluate by enamel microstructure analysis two hypotheses that would explain the early dental eruption in the Bakaparticularity, a shorter crown formation time and/or earlier onset of crown formation.</p></div><div><h3>Design</h3><p>Deciduous canines corresponds to the best teeth to perform the analysis of enamel microstructure. Longitudinal ground sections of 21 deciduous canines from 12 individuals were studied with transmitted light microscopy. Cross-striations, striaes of Retzius (SR) and the neonatal line (NNL) enable to establish the prenatal crown formation time (preCFT), the postnatal crown formation time (postCFT), the crown formation time (CFT) as well as the daily secretion rate (DSR) and the enamel extension rate (EER) and their variation along crown formation.</p></div><div><h3>Results</h3><p>The DSR and the EER in the Baka are similar than in other populations with an average DSR of 3.26 µm and EER of 18.18 µm. The preCFT was 154 days, the postCFT 265 days and CFT 419 days. Comparison with other population does not show difference in CFT. However, the preCFT and the postCFT differ, the first is higher and the second lower in the Baka than in other populations. Furthermore, the number of prenatal areas of enamel was greater in the Baka.</p></div><div><h3>Conclusion</h3><p>Our analysis suggests that the Baka does not distinguish by a different CFT but the onset of crown formation is earlier than in other groups. Therefore, the early dental eruption in the Baka results from an earlier onset of crown formation.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"166 ","pages":"Article 106030"},"PeriodicalIF":2.2,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141398603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dual-species biofilm of Streptococcus mutans and Candida albicans produces subsurface caries lesions on bovine enamel","authors":"Jéssica Silva Santana ,&nbsp;Alberto Carlos Botazzo Delbem ,&nbsp;Juliano Pelim Pessan ,&nbsp;Caio Sampaio ,&nbsp;Leonardo Antônio de Morais ,&nbsp;Taynara Leandro Pereira ,&nbsp;Douglas Roberto Monteiro ,&nbsp;Thayse Yumi Hosida","doi":"10.1016/j.archoralbio.2024.106029","DOIUrl":"10.1016/j.archoralbio.2024.106029","url":null,"abstract":"<div><h3>Objectives</h3><p>To develop a protocol for forming subsurface caries lesions on bovine enamel by dual-species biofilms of <em>Streptococcus mutans</em> and <em>Candida albicans in vitro</em>.</p></div><div><h3>Design</h3><p>Biofilms were grown on bovine enamel specimens in artificial saliva (AS) for seven days. After 24 h of formation, the AS was supplemented or not with fluoride (F) using sodium fluoride (0.005 or 0.008 ppm F), and the biofilms were exposed or not to a 20 % sucrose solution (reproducing a cariogenic challenge) once/day. On the seventh day, the biofilms were harvested and had their extracellular polysaccharides (EPS) and inorganic components analyzed. The specimens were subjected to computed X-ray microtomography analysis to determine their mineral concentration. Data were compared using two-way analyses of variance, followed by Fisher’s LSD or Student–Newman–Keuls tests (<em>p</em> &lt; 0.05).</p></div><div><h3>Results</h3><p>Biofilms exposed to the cariogenic challenge had significantly higher EPS concentrations than those not exposed, regardless of the presence of F. For biofilms grown with 0.008 ppm F, those exposed to the cariogenic challenge had lower F levels than those not exposed. For biofilms exposed to the cariogenic challenge, those grown with 0.008 ppm F had lower lesion depths and integrated mineral loss, and higher outer layers than those grown without F.</p></div><div><h3>Conclusions</h3><p>The dual biofilm model assessed was able to create subsurface caries lesions in bovine enamel <em>in vitro</em>, which was influenced by the presence of F in the culture medium and exposure to sucrose.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"166 ","pages":"Article 106029"},"PeriodicalIF":2.2,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141400919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Roles of the histone methyltransferase SET domain bifurcated 1 in epithelial cells during tooth development","authors":"Yuri Takagiwa,&nbsp;Norihisa Higashihori,&nbsp;Sakurako Kano,&nbsp;Keiji Moriyama","doi":"10.1016/j.archoralbio.2024.106026","DOIUrl":"10.1016/j.archoralbio.2024.106026","url":null,"abstract":"<div><h3>Objective</h3><p>This study aimed to reveal the effects of SET domain bifurcated 1 (SETDB1) on epithelial cells during tooth development.</p></div><div><h3>Design</h3><p>We generated conditional knockout mice (<em>Setdb1</em> ^{<em>fl/fl,Keratin14</em>-Cre+} mice), in which <em>Setdb1</em> was deleted only in epithelial cells. At embryonic day 14.5 (E14.5), immunofluorescence staining was performed to confirm the absence of SETDB1 within the epithelium of tooth embryos from <em>Setdb1</em> ^{<em>fl/fl,Keratin14</em>-Cre+} mice. Mouse embryos were harvested after reaching embryonic day 13.5 (E13.5), and sections were prepared for histological analysis. To observe tooth morphology in detail, electron microscopy and micro-CT analysis were performed at postnatal months 1 (P1M) and 6 (P6M). Tooth embryos were harvested from postnatal day 7 (P7) mice, and the epithelial components of the tooth embryos were isolated and examined using quantitative RT-PCR for the expression of genes involved in tooth development.</p></div><div><h3>Results</h3><p><em>Setdb1</em> ^{<em>fl/fl,Keratin14</em>-Cre+} mice exhibited enamel hypoplasia, brittle and fragile dentition, and significant abrasion. Coronal sections displayed abnormal ameloblast development, including immature polarization, and a thin enamel layer that detached from the dentinoenamel junction at P7. Electron microscopic analysis revealed characteristic findings such as an uneven surface and the absence of an enamel prism. The expression of <em>Msx2</em>, <em>Amelogenin (Amelx), Ameloblastin (Ambn), and Enamelin (Enam)</em> was significantly downregulated in the epithelial components of tooth germs in <em>Setdb1</em> ^{<em>fl/fl,Keratin14</em>-Cre+} mice.</p></div><div><h3>Conclusions</h3><p>These results indicate that SETDB1 in epithelial cells is important for tooth development and clarify the relationship between the epigenetic regulation of SETDB1 and amelogenesis imperfecta for the first time.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"165 ","pages":"Article 106026"},"PeriodicalIF":3.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141322205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of fibroblast growth factor-2 in modulating the differentiation of periodontal ligament and alveolar bone-derived stem cells","authors":"Benjamin Sexton ,&nbsp;Yuanyuan Han ,&nbsp;Renan Dal-Fabbro ,&nbsp;Jinping Xu ,&nbsp;Darnell Kaigler ,&nbsp;Marco C. Bottino","doi":"10.1016/j.archoralbio.2024.106027","DOIUrl":"https://doi.org/10.1016/j.archoralbio.2024.106027","url":null,"abstract":"<div><h3>Objective</h3><p>This study examined how range concentrations of Fibroblast Growth Factor-2 (FGF-2) influence the differentiation and activity of human-derived periodontal ligament (hPDLSCs) and alveolar bone-derived stem cells (haBMSCs).</p></div><div><h3>Design</h3><p>hPDLSCs and haBMSCs were cultured with varying concentrations of FGF-2 (0, 1, 2.5, 5, 10, 20 ng/mL) and monitored for osteogenic differentiation through alkaline phosphatase (ALP) activity and quantification of gene expression (qRT-PCR) for osteogenesis markers. Additionally, alizarin red staining and a hydroxyproline colorimetric assay evaluated and quantified osteogenic matrix mineralization and collagen deposition. Statistical analyses were performed using one-way ANOVA or two-way ANOVA for multiple comparisons between groups.</p></div><div><h3>Results</h3><p>At low FGF-2 concentrations, hPDLSCs differentiated toward an osteogenic lineage, whereas higher concentrations of FGF-2 inhibited osteogenesis and promoted fibroblastic differentiation. The effect of FGF-2 at the lowest concentration tested (1 ng/mL) led to significantly higher ALP activity than osteogenically induced positive controls at early time points and equivalent RUNX2 expression at early and later time points. FGF-2 supplementation of haBMSC cultures was sufficient, at all concentrations, to increase ALP activity at an earlier time point. Mineralization of haBMSC cultures increased significantly within 5–20 ng/mL FGF-2 concentrations under basal growth media conditions (α-minimal essential medium supplemented with 15 % fetal bovine serum and 1 % penicillin/streptomycin).</p></div><div><h3>Conclusions</h3><p>FGF-2 has a dual capacity in promoting osteogenic and fibroblastic differentiation within hPDLSCs contingent upon the dosage and timing of administration, alongside supporting osteogenic differentiation in haBMSCs. These findings underscore the need for precision growth factors dosing when considering the design of biomaterials for periodontal regeneration.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"165 ","pages":"Article 106027"},"PeriodicalIF":3.0,"publicationDate":"2024-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141308216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In vivo modification of the enamel pellicle and saliva resveratrol levels after use of resveratrol-containing orodispersible capsules","authors":"Flávia Mauad Levy ,&nbsp;João Victor Frazão Câmara ,&nbsp;Talita Mendes Oliveira Ventura ,&nbsp;Vinícius Taioqui Pelá ,&nbsp;Flávia Iano ,&nbsp;Tamara Teodoro Araujo ,&nbsp;Thamyris de Souza Carvalho ,&nbsp;Nathalia Mariana Pavan ,&nbsp;Valdecir Farias Ximenes ,&nbsp;Marília Afonso Rabelo Buzalaf","doi":"10.1016/j.archoralbio.2024.106016","DOIUrl":"https://doi.org/10.1016/j.archoralbio.2024.106016","url":null,"abstract":"<div><h3>Objectives</h3><p>To evaluate in vivo 1) the bioavailability of trans-resveratrol when administered through sublingual capsules; 2) the effect of resveratrol on the protein composition of the acquired enamel pellicle (AEP).</p></div><div><h3>Design</h3><p>Ten volunteers received a sublingual capsule containing 50 mg of trans-resveratrol. Unstimulated saliva was then collected after 0, 30, 60, and 120 min and AEP was collected after 120 min following administration of the capsule. In the next week, the volunteers received a placebo sublingual capsule, and saliva and AEP were collected again. Saliva samples were analyzed for free trans-resveratrol using high-performance liquid chromatopgraphy (HPLC), and AEP samples were subjected to proteomic analysis (nLC-ESI-MS/MS).</p></div><div><h3>Results</h3><p>Trans-resveratrol was detected in saliva at all the time points evaluated, with the peak at 30 min. A total of 242 proteins were identified in both groups. Ninety-six proteins were increased and 23 proteins were decreased in the Resveratrol group. Among the up-regulated proteins, isoforms of cystatins, PRPs, Mucin-7, Histatin-1, Lactotrasnferrin and Lysozyme-C were increased and the isoforms of Protein S100, Neutrophil defensins, Albumin, PRPs, and, Statherin were decreased in Resveratrol group.</p></div><div><h3>Conclusion</h3><p>The sublingual capsule is effective at increasing the bioavailability of trans-resveratrol in saliva. Several proteins involved in important processes to maintain systemic and oral health homeostasis were identified. These proteins differently expressed due to the presence of trans-resveratrol deserve attention for future studies, since they have important functions, mainly related to antimicrobial action.</p></div>","PeriodicalId":8288,"journal":{"name":"Archives of oral biology","volume":"165 ","pages":"Article 106016"},"PeriodicalIF":3.0,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141249700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}