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He Y, He D, Fan L, Ren S, Wang L, Sun J. Application of hydrogel microneedles in the oral cavity. Biopolymers 2024; 115:e23573. [PMID: 38506560 DOI: 10.1002/bip.23573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/12/2024] [Accepted: 02/27/2024] [Indexed: 03/21/2024]
Abstract
Microneedles are a transdermal drug delivery system in which the needle punctures the epithelium to deliver the drug directly to deep tissues, thus avoiding the influence of the first-pass effect of the gastrointestinal tract and minimizing the likelihood of pain induction. Hydrogel microneedles are microneedles prepared from hydrogels that have good biocompatibility, controllable mechanical properties, and controllable drug release and can be modified to achieve environmental control of drug release in vivo. The large epithelial tissue in the oral cavity is an ideal site for drug delivery via microneedles. Hydrogel microneedles can overcome mucosal hindrances to delivering drugs to deep tissues; this prevents humidity and a highly dynamic environment in the oral cavity from influencing the efficacy of the drugs and enables them to obtain better therapeutic effects. This article analyzes the materials and advantages of common hydrogel microneedles and reviews the application of hydrogel microneedles in the oral cavity.
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Affiliation(s)
- Yiyao He
- Graduate School of Dalian Medical University, Dalian, China
| | - Dawei He
- Department of Periodontics and Oral Mucosa Disease, Dalian Stomatological Hospital, Dalian, China
| | - Lin Fan
- Department of Periodontics and Oral Mucosa Disease, Dalian Stomatological Hospital, Dalian, China
| | - Song Ren
- Department of Periodontics and Oral Mucosa Disease, Dalian Stomatological Hospital, Dalian, China
| | - Lin Wang
- Department of Periodontics and Oral Mucosa Disease, Dalian Stomatological Hospital, Dalian, China
| | - Jiang Sun
- Department of Periodontics and Oral Mucosa Disease, Dalian Stomatological Hospital, Dalian, China
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2
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Koidou VP, Hagi-Pavli E, Nibali L, Donos N. Elucidating the molecular healing of intrabony defects following non-surgical periodontal therapy: A pilot study. J Periodontal Res 2024; 59:53-62. [PMID: 38010805 DOI: 10.1111/jre.13207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/11/2023] [Accepted: 10/30/2023] [Indexed: 11/29/2023]
Abstract
OBJECTIVE To elucidate the molecular healing of intrabony defects following non-surgical periodontal therapy (NSPT) using gingival crevicular fluid (GCF). BACKGROUND DATA Currently limited information is available regarding the GCF of intrabony defects and the change in biomarker levels in the GCF at early time points following treatment interventions. METHODS Twenty-one patients (Periodontitis Stage III or IV) who have received NSPT, contributing one intrabony defect and one healthy site were included in this study. GCF sampling was performed at baseline, 1 day, 5 days and 3 months after NSPT. Multiplex bead immunoassays allowed the profiling of GCF for 27 markers, associated with inflammation and repair/regeneration. A mixed effects model with Bonferroni correction for multiple comparisons was employed to compare the changes in the levels of GCF markers over time. RESULTS Following NSPT, changes were observed for several GCF markers, marked by significant increases 1 day post-intervention, before returning to baseline levels by 3 months. Specifically, GCF concentrations of IL-2, IL-4, IL-6, IL-8, MMP-1, MMP-3, TIMP-1 and FGFb significantly increased 1 day after NSPT. Signs of activation of cellular senescence were observed 1 day following treatment of intrabony defects, rapidly regressing by 5 days. CONCLUSION Significant molecular changes are observed as early as 1 day following NSPT in intrabony defects, along with activation of cellular senescence.
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Affiliation(s)
- Vasiliki P Koidou
- Centre for Oral Clinical Research, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Eleni Hagi-Pavli
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Luigi Nibali
- Centre for Oral Clinical Research, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Periodontology Unit, Centre for Host Microbiome Interactions, King's College London, London, UK
| | - Nikolaos Donos
- Centre for Oral Clinical Research, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Immunobiology and Regenerative Medicine, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
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3
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Barczak K, Droździk A, Bosiacki M, Łagocka R, Cenariu D, Uriciuc WA, Baranowska-Bosiacka I. CCL5's Role in Periodontal Disease: A Narrative Review. Int J Mol Sci 2023; 24:17332. [PMID: 38139161 PMCID: PMC10744061 DOI: 10.3390/ijms242417332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/02/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Persistent host inflammatory and immune responses to biofilm play a critical role in the mechanisms that govern soft and hard tissue destruction in periodontal disease. Among the less explored facets of these mechanisms are chemokines, including CCL5 (C-C motif chemokine ligand 5), also known as RANTES (regulated on activation, normal T cell expressed and secreted), a proinflammatory CC subfamily chemokine synthesized by T lymphocytes. Despite its importance, there is currently no comprehensive review of the role of CCL5 in periodontitis in the literature. Therefore, this paper aims to fill this gap by summarizing the existing knowledge on the involvement of CCL5 in the onset and progression of periodontitis. In addition, we aim to stimulate interest in this relatively overlooked factor among periodontitis researchers, potentially accelerating the development of drugs targeting CCL5 or its receptors. The review examines the association of CCL5 with periodontitis risk factors, including aging, cigarette smoking, diabetes, and obesity. It discusses the involvement of CCL5 in pathological processes during periodontitis, such as connective tissue and bone destruction. The data show that CCL5 expression is observed in affected gums and gingival crevicular fluid of periodontitis patients, with bacterial activity contributing significantly to this increase, but the reviewed studies of the association between CCL5 expression and periodontal disease have yielded inconclusive results. Although CCL5 has been implicated in the pathomechanism of periodontitis, a comprehensive understanding of its molecular mechanisms and significance remains elusive, hindering the development of drugs targeting this chemokine or its receptors.
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Affiliation(s)
- Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland;
| | - Agnieszka Droździk
- Laboratory of Preclinical Periodontology, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland;
| | - Mateusz Bosiacki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (M.B.); (I.B.-B.)
| | - Ryta Łagocka
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland;
| | - Diana Cenariu
- MEDFUTURE—Research Center for Advanced Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania;
| | - Willi Andrei Uriciuc
- Faculty of Dental Medicine, “Iuliu-Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland; (M.B.); (I.B.-B.)
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4
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Santamaria P, Sari A, Nibali L. Molecular profiling of gingival crevicular fluid fails to distinguish between infrabony and suprabony periodontal defects. J Clin Periodontol 2023; 50:1315-1325. [PMID: 37438680 DOI: 10.1111/jcpe.13849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/08/2023] [Accepted: 06/25/2023] [Indexed: 07/14/2023]
Abstract
AIM To assess the differential molecular profiling of gingival crevicular fluid (GCF) from infrabony and suprabony periodontal defects compared with healthy sites. MATERIALS AND METHODS Seventy-five samples from 25 patients with untreated periodontitis stage III-IV were included. Clinical and radiological parameters as well as GCF samples were collected from an infrabony defect, a suprabony defect and a periodontally healthy site per patient. A multiplex bead immunoassay was performed to assess the level of 18 biomarkers associated with inflammation, connective tissue degradation and regeneration/repair. RESULTS GCF volume was higher in periodontal sites compared with healthy sites, with no significant difference between infrabony and suprabony defects. Fourteen biomarkers were elevated in infrabony and suprabony sites compared with healthy sites (p < .05). Only interleukin-1α levels were increased in infrabony compared with suprabony sites, whereas there was no difference in probing pocket depth. CONCLUSIONS Although the GCF molecular profile clearly differentiates periodontally affected sites from healthy sites, the different architecture between infrabony and suprabony defects is not reflected in GCF biomarker changes.
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Affiliation(s)
- Pasquale Santamaria
- Periodontology Unit, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK
| | - Aysegul Sari
- Periodontology Unit, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK
| | - Luigi Nibali
- Periodontology Unit, Centre for Host Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK
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5
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Makkar H, Zhou Y, Tan KS, Lim CT, Sriram G. Modeling Crevicular Fluid Flow and Host-Oral Microbiome Interactions in a Gingival Crevice-on-Chip. Adv Healthc Mater 2023; 12:e2202376. [PMID: 36398428 DOI: 10.1002/adhm.202202376] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/07/2022] [Indexed: 11/21/2022]
Abstract
Gingival crevice and gingival crevicular fluid (GCF) flow play a crucial role at the gingiva-oral microbiome interface which contributes toward maintaining the balance between gingival health and periodontal disease. Interstitial flow of GCF strongly impacts the host-microbiome interactions and tissue responses. However, currently available in vitro preclinical models largely disregard the dynamic nature of gingival crevicular microenvironment, thus limiting the progress in the development of periodontal therapeutics. Here, a proof-of-principle "gingival crevice-on-chip" microfluidic platform to culture gingival connective tissue equivalent (CTE) under dynamic interstitial fluid flow mimicking the GCF is described. On-chip co-culture using oral symbiont (Streptococcus oralis) shows the potential to recapitulate microbial colonization, formation of biofilm-like structures at the tissue-microbiome interface, long-term co-culture, and bacterial clearance secondary to simulated GCF (s-GCF) flow. Further, on-chip exposure of the gingival CTEs to the toll-like receptor-2 (TLR-2) agonist or periodontal pathogen Fusobacterium nucleatum demonstrates the potential to mimic early gingival inflammation. In contrast to direct exposure, the induction of s-GCF flow toward the bacterial front attenuates the secretion of inflammatory mediators demonstrating the protective effect of GCF flow. This proposed in vitro platform offers the potential to study complex host-microbe interactions in periodontal disease and the development of periodontal therapeutics under near-microphysiological conditions.
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Affiliation(s)
- Hardik Makkar
- Faculty of Dentistry, National University of Singapore, Singapore, 119085, Singapore
| | - Ying Zhou
- Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore, 117599, Singapore
| | - Kai Soo Tan
- Faculty of Dentistry, National University of Singapore, Singapore, 119085, Singapore.,ORCHIDS: Oral Care Health Innovations and Designs Singapore, National University of Singapore, Singapore, 119085, Singapore
| | - Chwee Teck Lim
- Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore, 117599, Singapore.,Department of Biomedical Engineering, National University of Singapore, Singapore, 117583, Singapore.,Mechanobiology Institute, National University of Singapore, Singapore, 117411, Singapore
| | - Gopu Sriram
- Faculty of Dentistry, National University of Singapore, Singapore, 119085, Singapore.,ORCHIDS: Oral Care Health Innovations and Designs Singapore, National University of Singapore, Singapore, 119085, Singapore
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Coluccia A, Matti F, Zhu X, Lussi A, Stähli A, Sculean A, Eick S. In Vitro Study on Green Propolis as a Potential Ingredient of Oral Health Care Products. Antibiotics (Basel) 2022; 11:antibiotics11121764. [PMID: 36551420 PMCID: PMC9774696 DOI: 10.3390/antibiotics11121764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Propolis is increasingly being discussed as an alternative to commonly used antiseptics. This in vitro study focused on the ethanolic extract of green Brazilian propolis (EEPg) as an additive in an oral health care product. We investigated (i) a potential inflammation-modulation activity of EEPg when a periodontal or Candida biofilm was exposed to monocytic (MONO-MAC-6) cells, (ii) the adhesion of oral pathogens to gingival keratinocytes and (iii) the antimicrobial and antibiofilm effect of different toothpaste formulations. EEPg decreased the levels of interleukin (IL)-1β and increased IL-10 in MONO-MAC cells challenged with a periodontal biofilm. In contact with TIGK cells, EEPg reduced the numbers of adherent Porphyromonas gingivalis to 0.5% but did not affect the adhesion of Candida albicans. The frequent brushing of a cariogenic biofilm with a toothpaste supplemented with EEPg reduced the surface microhardness loss of enamel specimens. Mixing an experimental erythritol toothpaste with 25 and 50 mg/mL of EEPg confirmed the antibacterial activity of EEPg against oral bacteria and particularly inhibited periodontal biofilm formation. The suggested toothpaste formulations seem to have potential in the prevention of caries, gingivitis and periodontitis and should be evaluated in further in vitro research and in clinical trials.
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Affiliation(s)
- Achille Coluccia
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Fabienne Matti
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Xilei Zhu
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Adrian Lussi
- Preventive and Paediatric Dentistry, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Alexandra Stähli
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
| | - Sigrun Eick
- Department of Periodontology, School of Dental Medicine, University of Bern, 3010 Bern, Switzerland
- Correspondence:
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Nie M, Li H, Liu P, Dang P. HMBOX1 attenuates LPS-induced periodontal ligament stem cell injury by inhibiting CXCL10 expression through the NF-κB signaling pathway. Exp Ther Med 2022; 23:224. [PMID: 35222701 PMCID: PMC8812104 DOI: 10.3892/etm.2022.11148] [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: 04/20/2021] [Accepted: 07/21/2021] [Indexed: 11/21/2022] Open
Abstract
Homeobox containing 1 (HMBOX1) is a member of the homeobox transcription factor family that has been reported to serve an important role in numerous biological processes. The present study aimed to determine the role of HMBOX1 in the pathogenesis of periodontitis. Human periodontal ligament stem cells (hPDLSCs) were treated with liposaccharide (LPS) and transfected with a HMBOX1 overexpression (Ov-HMBOX1) plasmid or small interfering (si)-C-X-C motif chemokine ligand 10 (CXCL10) plasmids. The effects of Ov-HMBOX1 on cell proliferation, inflammation and apoptosis were subsequently investigated using Cell Counting Kit-8, ELISA for analysis of IL-6, TNF-α and IL-1β levels, TUNEL and western blotting assays for analysis of Bcl-2, Bax, cleaved caspase-3 and caspase-3 levels, respectively. Furthermore, the potential effects of HMBOX1 on the mRNA and protein levels of CXCL10 and the NF-κB signaling pathway were investigated by using reverse transcription-quantitative PCR and western blotting. Finally, the physiological processes of lipopolysaccharide (LPS)-induced hPDLSCs overexpressing HMBOX1 were assessed following treatment with phorbol 12-myristate 13-acetate (PMA), a NF-κB agonist. The results revealed that Ov-HMBOX1 transfection promoted proliferation whilst alleviating inflammation and apoptosis in LPS-induced hPDLSCs. Ov-HMBOX1 reduced the expression of CXCL10 by suppressing the NF-κB signaling pathway. PMA treatment inhibited the proliferation of LPS-induced hPDLSCs transfected with Ov-HMBOX1, which was reversed by transfection with si-CXCL10. In conclusion, results of the present study provided evidence that HMBOX1 can attenuate LPS-induced hPDLSC injury by downregulating CXCL10 expression via the NF-κB signaling pathway, which may provide a novel insight into the development of potentially novel treatment strategies for periodontitis.
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Affiliation(s)
- Minyuan Nie
- Department of Stomatology, PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, P.R. China
| | - Heng Li
- Department of Paediatric Dentistry, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210008, P.R. China
| | - Puhe Liu
- Department of Stomatology, The First Dental Hospital, Wuhai, Inner Mongolia Autonomous Region 016000, P.R. China
| | - Ping Dang
- Department of Stomatology, Amcare Women's and Children's Hospital, Beijing 100016, P.R. China
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8
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Koidou VP, Hagi-Pavli E, Cross S, Nibali L, Donos N. Molecular profiling of intrabony defects' gingival crevicular fluid. J Periodontal Res 2021; 57:152-161. [PMID: 34788472 DOI: 10.1111/jre.12948] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 10/07/2021] [Accepted: 10/12/2021] [Indexed: 12/29/2022]
Abstract
AIM To profile, for the first time, the gingival crevicular fluid (GCF) of intrabony defects against a wide array of inflammatory and regenerative markers. MATERIALS AND METHODS Twenty-one patients contributed one intrabony defect and one periodontally healthy site. Clinical and radiographic measures were obtained. GCF samples were analyzed with multiplex bead immunoassays over 27 markers previously identified by our group. Comparisons were performed using Wilcoxon matched-pairs signed-ranks tests, using a Bonferroni corrected α = 0.05/27 = 0.0019. RESULTS Intrabony defect sites presented significantly increased GCF volume and disease-associated clinical and radiographic characteristics (p < .05). Intrabony defect sites presented significantly increased IL-1α, IL-1β, IL-6, IFN-γ, and MMP-8 levels compared with periodontally healthy sites (p < .0019). For regeneration markers, significantly higher FGF basic and VEGF levels were observed (p < .0019). Notably, traits of cell senescence were identified for the first time in the GCF. CONCLUSIONS The differentiation of intrabony defects from periodontally healthy control sites can be based on clinical and radiographic measures and on a differentiated GCF profile that is site-specific. Alongside catabolic processes, through significant up-regulation of inflammation and connective tissue remodeling, unique molecular characteristics of intrabony defects may render them a microenvironment amenable to regeneration. Traits of the senescence-associated secretory phenotype may suggest the existence of senescent cells during periodontal inflammation in intrabony defects.
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Affiliation(s)
- Vasiliki P Koidou
- Centre for Oral Clinical Research, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK.,Centre for Immunobiology & Regenerative Medicine, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
| | - Eleni Hagi-Pavli
- Centre for Immunobiology & Regenerative Medicine, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
| | - Samantha Cross
- Centre for Clinical Trials and Methodology, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
| | - Luigi Nibali
- Centre for Oral Clinical Research, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK.,Centre for Host Microbiome Interactions, King's College London, London, UK
| | - Nikolaos Donos
- Centre for Oral Clinical Research, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK.,Centre for Immunobiology & Regenerative Medicine, Queen Mary University of London Barts and The London School of Medicine and Dentistry, London, UK
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9
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Zhang F, Liu E, Radaic A, Yu X, Yang S, Yu C, Xiao S, Ye C. Diagnostic potential and future directions of matrix metalloproteinases as biomarkers in gingival crevicular fluid of oral and systemic diseases. Int J Biol Macromol 2021; 188:180-196. [PMID: 34339782 DOI: 10.1016/j.ijbiomac.2021.07.165] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/24/2021] [Accepted: 07/26/2021] [Indexed: 02/08/2023]
Abstract
Gingival crevicular fluid (GCF) is a physiological fluid and an inflammatory serum exudate derived from the gingival plexus of blood vessels and mixed with host tissues and subgingival plaque flows. In addition to proteins, GCF contains a diverse population of cells, including desquamated epithelial cells, cytokines, electrolytes, and bacteria from adjacent plaques. Recently, matrix metalloproteinases(MMPs), which are endopeptidases that are active against extracellular macromolecules, in GCF have been revealed as potential utility biomarkers for the diagnosis and follow-up of oral and systemic diseases, thereby facilitating the early evaluation of malignancy risk and the monitoring of disease progression and treatment response. Tissue inhibitors of metalloproteinases (TIMPs) are specific inhibitors of matrixins that participate in the regulation of local activities of MMPs in tissues. This review provides an overview of the latest findings on the diagnostic and prognostic values of MMPs and TIMPs in GCF of oral and systemic diseases, including periodontal disease, pulpitis, peri-implantitis and cardiovascular disease as well as the extraction, detection and analytical methods for GCF.
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Affiliation(s)
- Fan Zhang
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China; Physical Examination Center, West China Hospital, Sichuan University, Chengdu, China
| | - Enyan Liu
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Allan Radaic
- School of Dentistry, University of California San Francisco, San Francisco, CA, USA
| | - Xiaotong Yu
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shuting Yang
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chenhao Yu
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shimeng Xiao
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Changchang Ye
- State Key Laboratory of Oral Diseases, Department of Periodontology, National Clinical Research Center for Oral Diseases, West China, Hospital of Stomatology, Sichuan University, Chengdu, China.
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Is the progression rate of periodontitis related to subgingival biofilm composition or gingival crevicular fluid IL-1β and MMP-8 concentrations? Cent Eur J Immunol 2021; 45:425-432. [PMID: 33658891 PMCID: PMC7882403 DOI: 10.5114/ceji.2020.101256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 06/21/2019] [Indexed: 12/17/2022] Open
Abstract
Aim of the study To analyze the composition of subgingival biofilm and to assess the concentration of IL-1 and MMP-8 in gingival crevicular fluid (GCF) from deep periodontal pockets in patients with severe periodontitis to determine whether the presence of specific microbial species or the severity of the host’s immune response can be helpful in assessing the dynamics of disease. Material and methods The study included 30 individuals with periodontitis Grade B and 19 subjects with periodontitis Grade C. Quantitative and qualitative microbiological analysis of flora in pockets ≥ 7 mm was performed for the presence of selected periopathogens of the orange, red complex and Aggregatibacter actinomycetemcomitans using real-time PCR. The concentrations of IL-1 and MMP-8 in GCF were evaluated with the ELISA method. Results There were no differences in the composition of the subgingival biofilm depending on the diagnosis. The concentration of MMP-8 in GCF was significantly higher in periodontitis Grade C than in periodontitis Grade B (61 ng/µl and 37 ng/µl respectively, p = 0.039). The concentration of IL-1β was similar in both groups. No significant correlations were observed between the occurrence of individual periopathogens and concentrations of MMP-8 and IL-1β depending on the diagnosis. Conclusions Periodontitis grade may not be distinguished according to microbial analysis of subgingival biofilm or to concentration of IL-1β in GCF. On the other hand, higher concentrations of MMP-9 in GCF from deep pockets may be helpful in detecting subjects particularly prone to occurrence and rapid progress of periodontitis.
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Akkermansia muciniphila and Its Pili-Like Protein Amuc_1100 Modulate Macrophage Polarization in Experimental Periodontitis. Infect Immun 2020; 89:IAI.00500-20. [PMID: 33020212 DOI: 10.1128/iai.00500-20] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023] Open
Abstract
Periodontitis is a chronic inflammatory disease triggered by dysbiosis of the oral microbiome. Porphyromonas gingivalis is strongly implicated in periodontal inflammation, gingival tissue destruction, and alveolar bone loss through sustained exacerbation of the host response. Recently, the use of other bacterial species, such as Akkermansia muciniphila, has been suggested to counteract inflammation elicited by P. gingivalis In this study, the effects of A. muciniphila and its pili-like protein Amuc_1100 on macrophage polarization during P. gingivalis infection were evaluated in a murine model of experimental periodontitis. Mice were gavaged with P. gingivalis alone or in combination with A. muciniphila or Amuc_1100 for 6 weeks. Morphometric analysis demonstrated that the addition of A. muciniphila or Amuc_1100 significantly reduced P. gingivalis-induced alveolar bone loss. This decreased bone loss was associated with a proresolutive phenotype (M2) of macrophages isolated from submandibular lymph nodes as observed by flow cytometry. Furthermore, the expression of interleukin 10 (IL-10) at the RNA and protein levels was significantly increased in the gingival tissues of the mice and in macrophages exposed to A. muciniphila or Amuc_1100, confirming their anti-inflammatory properties. This study demonstrates the putative therapeutic interest of the administration of A. muciniphila or Amuc_1100 in the management of periodontitis through their anti-inflammatory properties.
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12
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Yadav R, Kanwar IL, Haider T, Pandey V, Gour V, Soni V. In situ gel drug delivery system for periodontitis: an insight review. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2020. [DOI: 10.1186/s43094-020-00053-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Abstract
Background
Periodontitis is a microbial disease that leads to inflammation in the tooth-supporting tissues of the oral cavity that is common among the elderly. It is initiated by oral inflammation induced by bacterial dysbiosis. Choosing an appropriate antimicrobial agent with the right course of drug administration is the key to successful periodontal therapy. In recent times, with more biomarkers and the development of new technologies, several point-of-care testing (POCT) platforms have been developed for the diagnosis and monitoring of periodontitis. This review focuses on oral microbiology and the pathogenesis of periodontitis as well as recent insights into the in situ gel system for periodontitis.
Design
An exhaustive search was conducted in the following scientific databases Science Direct, Springer, Pub Med, and Google Scholar to review all relevant literatures. This is a comprehensive narrative review of the literature, summarizing the perspectives of the authors.
Results
Novel in situ forming gel is introduced at the site that shows a promising potential to overcome one of the main practical obstacles associated with the treatment of local periodontitis: partial adhesion to the surrounding tissue, causing in the accidental expulsion of at least parts of the implants from patient’s pockets. This results in a large residence time of the system at the site of action and uncertainty of the final exposure to the drug.
Conclusion
From the reviewed literature, it is concluded that experimental evidence suggests that the in situ gel-forming systems can be useful in treating several common diseases of the oral cavity. Future research should focus on clinical studies to be performed for the in situ gel to make a significant contribution to periodontitis.
Graphical abstract
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CXCL5, CXCL8, and CXCL10 regulation by bacteria and mechanical forces in periodontium. Ann Anat 2020; 234:151648. [PMID: 33221386 DOI: 10.1016/j.aanat.2020.151648] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 10/21/2020] [Accepted: 10/31/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE The aim of the present study was to evaluate the expressions of CXCL5, CXCL8, and CXCL10 in periodontal cells and tissues in response to microbial signals and/or biomechanical forces. METHODS Human gingival biopsies from inflamed and healthy sites were used to examine the chemokine expressions and protein levels by real-time PCR and immunohistochemistry. The chemokines were also investigated in gingival biopsies from rats submitted to experimental periodontitis and/or tooth movement. Furthermore, chemokine levels were determined in human periodontal fibroblasts stimulated by the periodontopathogen Fusobacterium nucleatum and/or constant tensile forces (CTS) by real-time PCR and ELISA. Additionally, gene expressions were evaluated in periodontal fibroblasts exposed to F. nucleatum and/or CTS in the presence and absence of a MAPK inhibitor by real-time PCR. RESULTS Increased CXCL5, CXCL8, and CXCL10 levels were observed in human and rat gingiva from sites of inflammation as compared with periodontal health. The rat experimental periodontitis caused a significant (p<0.05) increase in alveolar bone resorption, which was further enhanced when combined with tooth movement. In vitro, F. nucleatum caused a significant upregulation of CXCL5, CXCL8, and CXCL10 at 1 day. Once the cells were exposed simultaneously to F. nucleatum and CTS, the chemokines regulation was significantly enhanced. The transcriptional findings were also observed at protein level. Pre-incubation with the MEK1/2 inhibitor significantly (p<0.05) inhibited the stimulatory actions of F. nucleatum either alone or in combination with CTS on the expression levels of CXCL5, CXCL8, and CXCL10 at 1d. CONCLUSIONS Our data provide original evidence that biomechanical strain further increases the stimulatory actions of periodontal bacteria on the expressions of these chemokines. Therefore, biomechanical loading in combination with periodontal infection may lead to stronger recruitment of immunoinflammatory cells to the periodontium, which might result in an aggravation of periodontal inflammation and destruction.
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Kayar NA, Oduncuoğlu BF, Haliloğlu S, Serpek B, Ataoğlu T, Alptekin NÖ. Methodological evaluation of gingival crevicular fluid volume and neutrophil elastase levels: sequential sampling, length of sampling time and two different sampling methods. Acta Odontol Scand 2020; 78:290-296. [PMID: 31852321 DOI: 10.1080/00016357.2019.1703141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Objectives: The mechanisms underlying the formation and composition of gingival crevicular fluid (GCF) and its flow into and from periodontal pockets are not understood very well. The aim of this study was to evaluate the length of sampling time and sequential sampling of GCF neutrophil elastase (NE) enzyme levels by using intracrevicular and orifice methods.Material and methods: Twenty adults (mean age of 41.8 years, ranged 31-60 years, 18 males and 2 females) with chronic periodontitis were enrolled and all completed the 3-d study. GCF was collected by both intracrevicular and intrasulcular methods, 720 samples of GCF were collected. In first, second and third day, the length of sampling time in seconds (s) and order were '5- 10-30-s'; '10- 30- 5-s' and '30- 5- 10-s,' respectively. GCF elastase levels were determined by hydrolysis of neutrophil specific substrate N-methoxysuccinyl-Ala-Ala-Pro-Val-p-nitroanilide.Results: NE activity (µU) and NE activity/volume (µU/µl) were significantly different for order of sampling (p < .05), but not for the length of sampling time (p>.05).Conclusions: Within the limits of this study, the choice of sampling technique in GCF-profile studies seems to be a critical decision as it has the potential to affect the GCF volume and NE activity.
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Affiliation(s)
- Nezahat Arzu Kayar
- Department of Periodontology, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | | | - Seyfullah Haliloğlu
- Department of Biochemistry, Faculty of Veterinary Medicine, Selcuk University, Konya, Turkey
| | - Behiç Serpek
- Department of Biochemistry, Faculty of Veterinary Medicine, Selcuk University, Konya, Turkey
| | - Tamer Ataoğlu
- Department of Periodontology, Faculty of Dentistry, Medipol University, İstanbul, Turkey
| | - Nilgün Özlem Alptekin
- Department of Periodontology, Faculty of Dentistry, Başkent University, Ankara, Turkey
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Kasai S, Onizuka S, Katagiri S, Nakamura T, Hanatani T, Kudo T, Sugata Y, Ishimatsu M, Usui M, Nakashima K. Associations of cytokine levels in gingival crevicular fluid of mobile teeth with clinical improvement after initial periodontal treatment. J Oral Sci 2020; 62:189-196. [PMID: 32132326 DOI: 10.2334/josnusd.19-0056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Studies suggest that analysis of gingival crevicular fluid (GCF) is useful for evaluating periodontal status. In this study, clinical variables related to tooth mobility, and multiple cytokine levels in proximate GCF, were measured at four time points during initial periodontal treatment: before treatment (baseline), after supragingival scaling, after occlusal adjustment, and after scaling and root planing (SRP); 20 teeth from 13 patients with periodontitis were included. Baseline interleukin (IL)-10 level in GCF was significantly higher around teeth that showed substantial improvement in periodontal epithelial surface area (PESA) after SRP than around teeth without PESA improvement. IL-3 and IL-16 levels in GCF at baseline were significantly higher around teeth with a periodontal inflamed surface area (PISA) of 0 mm2 after SRP than around teeth without PISA improvement. In addition, baseline IL-7, IL-11, and IL-12p40 levels in GCF were significantly lower around teeth with decreased mobility after occlusal adjustment than around teeth without decreased mobility. These results suggest that pre-treatment cytokine levels in GCF are useful in predicting the effects of initial periodontal treatment.
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Affiliation(s)
- Shingo Kasai
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Satoru Onizuka
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Sayaka Katagiri
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
| | - Taiji Nakamura
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Tomoya Hanatani
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Takahiro Kudo
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Yuou Sugata
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Michie Ishimatsu
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Michihiko Usui
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
| | - Keisuke Nakashima
- Division of Periodontology, Department of Oral Functions, Kyushu Dental University
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Awolade P, Cele N, Kerru N, Gummidi L, Oluwakemi E, Singh P. Therapeutic significance of β-glucuronidase activity and its inhibitors: A review. Eur J Med Chem 2020; 187:111921. [PMID: 31835168 PMCID: PMC7111419 DOI: 10.1016/j.ejmech.2019.111921] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 11/27/2019] [Accepted: 11/27/2019] [Indexed: 01/02/2023]
Abstract
The emergence of disease and dearth of effective pharmacological agents on most therapeutic fronts, constitutes a major threat to global public health and man's existence. Consequently, this has created an exigency in the search for new drugs with improved clinical utility or means of potentiating available ones. To this end, accumulating empirical evidence supports molecular target therapy as a plausible egress and, β-glucuronidase (βGLU) - a lysosomal acid hydrolase responsible for the catalytic deconjugation of β-d-glucuronides has emerged as a viable molecular target for several therapeutic applications. The enzyme's activity level in body fluids is also deemed a potential biomarker for the diagnosis of some pathological conditions. Moreover, due to its role in colon carcinogenesis and certain drug-induced dose-limiting toxicities, the development of potent inhibitors of βGLU in human intestinal microbiota has aroused increased attention over the years. Nevertheless, although our literature survey revealed both natural products and synthetic scaffolds as potential inhibitors of the enzyme, only few of these have found clinical utility, albeit with moderate to poor pharmacokinetic profile. Hence, in this review we present a compendium of exploits in the present millennium directed towards the inhibition of βGLU. The aim is to proffer a platform on which new scaffolds can be modelled for improved βGLU inhibitory potency and the development of new therapeutic agents in consequential.
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Affiliation(s)
- Paul Awolade
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Nosipho Cele
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Nagaraju Kerru
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Lalitha Gummidi
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Ebenezer Oluwakemi
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Parvesh Singh
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa.
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Yashima A, Morozumi T, Yoshie H, Hokari T, Izumi Y, Akizuki T, Mizutani K, Takamatsu H, Minabe M, Miyauchi S, Yoshino T, Tanaka M, Tanaka Y, Gomi K. Biological responses following one‐stage full‐mouth scaling and root planing with and without azithromycin: Multicenter randomized trial. J Periodontal Res 2019; 54:709-719. [DOI: 10.1111/jre.12680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/22/2019] [Accepted: 06/09/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Akihiro Yashima
- Department of Periodontology, School of Dental Medicine Tsurumi University Yokohama Japan
| | - Toshiya Morozumi
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, School of Dentistry Kanagawa Dental University Yokosuka Japan
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Hiromasa Yoshie
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Takahiro Hokari
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Yuichi Izumi
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Tatsuya Akizuki
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Koji Mizutani
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Hideyuki Takamatsu
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Masato Minabe
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, School of Dentistry Kanagawa Dental University Yokosuka Japan
- Bunkyo‐Dori Dental Clinic Chiba Japan
| | | | | | - Maki Tanaka
- Seikeikai Group Seikeikai Hospital Yokohama Japan
| | | | - Kazuhiro Gomi
- Department of Periodontology, School of Dental Medicine Tsurumi University Yokohama Japan
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Arias-Bujanda N, Regueira-Iglesias A, Alonso-Sampedro M, González-Peteiro MM, Mira A, Balsa-Castro C, Tomás I. Cytokine Thresholds in Gingival Crevicular Fluid with Potential Diagnosis of Chronic Periodontitis Differentiating by Smoking Status. Sci Rep 2018; 8:18003. [PMID: 30573746 PMCID: PMC6301951 DOI: 10.1038/s41598-018-35920-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 11/07/2018] [Indexed: 12/18/2022] Open
Abstract
The objective of the present study was to determine cytokine thresholds derived from predictive models for the diagnosis of chronic periodontitis, differentiating by smoking status. Seventy-five periodontally healthy controls and 75 subjects affected by chronic periodontitis were recruited. Sixteen mediators were measured in gingival crevicular fluid (GCF) using multiplexed bead immunoassays. The models were obtained using binary logistic regression, distinguishing between non-smokers and smokers. The area under the curve (AUC) and numerous classification measures were obtained. Model curves were constructed graphically and the cytokine thresholds calculated for the values of maximum accuracy (ACC). There were three cytokine-based models and three cytokine ratio-based models, which presented with a bias-corrected AUC > 0.91 and > 0.83, respectively. These models were (cytokine thresholds in pg/ml for the median ACC using bootstrapping for smokers and non-smokers): IL1alpha (46099 and 65644); IL1beta (4732 and 5827); IL17A (11.03 and 17.13); IL1alpha/IL2 (4210 and 7118); IL1beta/IL2 (260 and 628); and IL17A/IL2 (0.810 and 1.919). IL1alpha, IL1beta and IL17A, and their ratios with IL2, are excellent diagnostic biomarkers in GCF for distinguishing periodontitis patients from periodontally healthy individuals. Cytokine thresholds in GCF with diagnostic potential are defined, showing that smokers have lower threshold values than non-smokers.
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Affiliation(s)
- N Arias-Bujanda
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-Surgical Specialties, School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - A Regueira-Iglesias
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-Surgical Specialties, School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - M Alonso-Sampedro
- Department of Internal Medicine and Clinical Epidemiology, Complejo Hospitalario Universitario, Santiago de Compostela, Galicia, Spain
| | - M M González-Peteiro
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-Surgical Specialties, School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - A Mira
- Center for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - C Balsa-Castro
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-Surgical Specialties, School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - I Tomás
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-Surgical Specialties, School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidade de Santiago de Compostela, Galicia, Spain.
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Komatsu Y, Kubota T, Yasuda T, Takahashi T, Yamamoto A, Kono T, Tabata H, Nohno K, Shibutani T, Umeda M, Yoshie H. Effectiveness of an erbium-doped: yttrium, aluminum and garnet laser for treatment of peri-implant disease: Clinical, microbiological, and biochemical marker analyses. J Clin Exp Dent 2018; 10:e970-e978. [PMID: 30386502 PMCID: PMC6203910 DOI: 10.4317/jced.55016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 08/23/2018] [Indexed: 12/23/2022] Open
Abstract
Background The effectiveness of an erbium-doped: yttrium, aluminum and garnet (Er: YAG) laser (EYL) for the treatment of peri-implant disease (PID) remains unclear. The aim of this study was to compare non-surgical EYL therapy for PID with locally delivered minocycline hydrochloride (MC) ointment therapy by evaluating clinical, microbiological, and biochemical markers. Material and Methods Thirty-seven patients with PID were randomly assigned to either the EYL group (n = 18) or the MC group (n = 19). The clinical, microbiological, and biochemical markers at baseline and at 1 and 3 months after treatment were compared between the two groups. Subgingival plaque and peri-implant crevicular fluid (PICF) were collected from the diseased pockets. Results In the EYL group, probing pocket depth (PPD) was significantly decreased after treatment when compared with baseline. On the other hand, in the MC group, there was no significant decrease in PPD after treatment. Specific bacteria associated with PID were not determined. The counts of both Gram-positive and -negative species did not significantly decrease in the EYL group at 3 months after treatment. In the MC group, the counts of almost all bacterial species were significantly decreased after treatment. Biochemical marker analysis of PICF revealed significantly lower levels of metalloproteinase (MMP)-9 in the EYL group, as compared with the MC group at 3 months after treatment (p= 0.009). Conclusions Non-surgical therapy with an EYL for PID was clinically effective, with decreased MMP-9 levels in PICF, which may lead to reduced peri-implant tissue destruction. Key words:Er: YAG laser; peri-implant disease; biomarker; peri-implant crevicular fluid.
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Affiliation(s)
- Yasutaka Komatsu
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takehiko Kubota
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tadashi Yasuda
- Department of Periodontology, Asahi University, School of Dentistry, Gifu, Japan
| | | | - Atsuhiko Yamamoto
- Department of Periodontology, Asahi University, School of Dentistry, Gifu, Japan
| | - Tomoo Kono
- Department of Periodontology, Osaka Dental University, Osaka, Japan
| | - Hajime Tabata
- Department of Periodontology, Osaka Dental University, Osaka, Japan
| | - Kaname Nohno
- Division of Preventive Dentistry, Department of Oral Biological Science, Niigata University Graduate school of Medical and Dental Sciences, Niigata, Japan
| | - Toshiaki Shibutani
- Department of Periodontology, Asahi University, School of Dentistry, Gifu, Japan
| | - Makoto Umeda
- Department of Periodontology, Osaka Dental University, Osaka, Japan
| | - Hiromasa Yoshie
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Point-of-Care Periodontitis Testing: Biomarkers, Current Technologies, and Perspectives. Trends Biotechnol 2018; 36:1127-1144. [DOI: 10.1016/j.tibtech.2018.05.013] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/25/2018] [Accepted: 05/30/2018] [Indexed: 01/29/2023]
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Aldahlawi S, Youssef AR, Shahabuddin S. Evaluation of chemokine CXCL10 in human gingival crevicular fluid, saliva, and serum as periodontitis biomarker. J Inflamm Res 2018; 11:389-396. [PMID: 30464571 PMCID: PMC6216963 DOI: 10.2147/jir.s177188] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Purpose The aim of this study was to evaluate CXCL10 as a biomarker for periodontitis by determining the CXCL10 levels in saliva, serum, and gingival crevicular fluid (GCF) samples from periodontally healthy control subjects and adult subjects with chronic periodontitis. Patients and methods Adult patients seeking dental treatment at Umm Al-Qura University dental clinic underwent a complete periodontal examination, and saliva, serum, and GCF samples were collected. Subjects were classified as chronic periodontitis patients (n=31) if they have a periodontal probing depth (PD) of ≥4 mm and/or clinical attachment level (CAL) of ≥3 mm in >30% of the teeth. The control group (n=25) had PD ≤3 mm and/or CAL ≤2 mm. ELISA was performed to determine the concentration of CXCL10 in saliva, serum, and GCF samples. Student’s t-test was carried out to evaluate the significant difference between different groups. Spearman’s correlation test was used to analyze the relationship between the levels of CXCL10 and the clinical periodontal parameters. P-value of ≤0.05 was considered significant. Results Significantly higher concentrations of CXCL10 were found in saliva and serum in chronic periodontitis patients as compared with the controls (272±60.4 pg/mL and 72±13.4 pg/mL vs 130±22.2 pg/mL and 44.08±4.5 pg/mL, P≤0.05). The CXCL10 levels in GCF were higher in the periodontitis group as compared with the control group (66.36±32.0 pg/mL and 44.56±17.5 pg/mL, respectively); the difference did not reach statistical significance (P≥0.05). Moreover, serum CXCL10 level was significantly higher in periodontitis patients with moderate to severe bone loss as compared with those with mild bone loss (71.05±4.7 pg/mL vs 54.8±7.7 pg/mL, P≤0.05). The serum CXCL10 levels were found to be related to CAL measurements (r=0.3, P=0.026), while the saliva CXCL10 levels were related to PD measurements (r=0.8, P=0.0007). Conclusion CXCL10 is significantly increased in periodontitis subjects as compared with controls and could be used as a marker for periodontal disease.
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Affiliation(s)
- Salwa Aldahlawi
- Department of Basic and Clinical Oral Sciences, College of Dentistry, Umm Al-Qura University, Makkah, Saudi Arabia,
| | - Abdel-Rahman Youssef
- Department of Basic and Clinical Oral Sciences, College of Dentistry, Umm Al-Qura University, Makkah, Saudi Arabia,
| | - Syed Shahabuddin
- Abbvie, North Chicago, IL, USA.,Deportment of Biology, City Colleges of Chicago, Chicago, IL, USA
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Lee HK, Kim SJ, Kim YH, Ko Y, Ji S, Park JC. Odontogenic ameloblast-associated protein (ODAM) in gingival crevicular fluid for site-specific diagnostic value of periodontitis: a pilot study. BMC Oral Health 2018; 18:148. [PMID: 30143043 PMCID: PMC6109327 DOI: 10.1186/s12903-018-0609-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 08/13/2018] [Indexed: 12/11/2022] Open
Abstract
Background Odontogenic Ameloblast-Associated Protein (ODAM) in gingival crevicular fluid (GCF) can provide evidence of the detachment of junctional epithelium from the tooth surface by periodontitis. This study sought to investigate the ability of ODAM to reflect the severity of periodontitis at a site-specific level; thus whether there was a relationship between clinical diagnostic parameters and the value of ODAM in GCF was analyzed. Methods Eight periodontitis patients with various severities were enrolled, and the clinical parameters and samples of GCF were obtained from 44 to 60 sites of each subject. The ODAM concentration was quantified by enzyme-linked immunosorbent assay. Correlation analyses between clinical parameters and ODAM values and unadjusted and adjusted (linear) mixed model analyses were performed. The accuracy of ODAM to reflect sites having a probing depth (PD) ≥ 5 mm and a positive bleeding on probing (BOP) was evaluated by receiver-operating characteristic analysis. Results A total of 424 GCF samples were collected. The mean ODAM concentration from each patient varied from 0.2 to 1.52 ng/ml. Correlations between PD or clinical attachment level (CAL) and ODAM values were found (p < 0.0001). An adjusted linear mixed model showed that PD or CAL were associated with ODAM values (p < 0.05). The area under the curve of ODAM, which reflected sites with PD ≥ 5 mm and positive BOP, was 0.661 (p < 0.0001). Conclusion This result shows the possibility of GCF ODAM as a site-specific biomarker for periodontal tissue destruction.
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Affiliation(s)
- Hye-Kyung Lee
- Departments of Oral Histology-Developmental Biology & Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehagro, Chongro-gu, Seoul, 110-749, South Korea
| | - Soo Jin Kim
- Office of Biostatistics, Institute of Medical Sciences, Ajou University School of Medicine, Suwon, South Korea
| | - Young Ho Kim
- Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, South Korea
| | - Youngkyung Ko
- Department of Periodontics, College of Medicine, Seoul St Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Suk Ji
- Department of Periodontics, Institute of Oral Health Science, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, South Korea.
| | - Joo-Cheol Park
- Departments of Oral Histology-Developmental Biology & Dental Research Institute, School of Dentistry, Seoul National University, 101 Daehagro, Chongro-gu, Seoul, 110-749, South Korea.
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Gao X, Shen Z, Guan M, Huang Q, Chen L, Qin W, Ge X, Chen H, Xiao Y, Lin Z. Immunomodulatory Role of Stem Cells from Human Exfoliated Deciduous Teeth on Periodontal Regeneration. Tissue Eng Part A 2018; 24:1341-1353. [PMID: 29652608 DOI: 10.1089/ten.tea.2018.0016] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Periodontitis is initiated by the infection of periodontal bacteria and subsequent tissue inflammation due to immunoreaction, eventually leading to periodontal apparatus loss. Stem cells from human exfoliated deciduous teeth (SHEDs) have exhibited beneficial characteristics in dental tissue regeneration. However, the immunomodulatory functions of SHEDs have not been elucidated in the context of periodontitis treatment. In this study, we investigated the potential immunomodulatory effects of SHEDs on experimental periodontitis and demonstrated that multidose delivery of SHEDs led to periodontal tissue regeneration. SHEDs and monocytes/macrophages were cocultured in transwell systems and SHEDs were found to be capable of promoting monocyte/macrophage conversion to CD206+ M2-like phenotype. Bioluminescence imaging (BLI) was employed to assess the survival and distribution of SHEDs after delivery in periodontal tissues in an induced periodontitis model, and BLI revealed that SHEDs survived for ∼7 days in periodontal tissues with little tissue diffusion. Then, multidose SHED delivery was applied to treat periodontitis at 7-day intervals. Results showed that mutidose SHEDs altered the cytokine expression profile in gingival crevicular fluid, reduced gum bleeding, increased new attachment of periodontal ligament, and decreased osteoclast differentiation. Micro-computed tomography analysis showed SHED administration significantly increased periodontal regeneration and alveolar bone volume, and decreased distance of cementoenamel junction to alveolar bone crest. Furthermore, an increase in the number of CD206+ M2 macrophages was observed in periodontal tissues following the delivery of SHEDs, which aligned well with the promoted conversion to CD206+ M2-like cells from monocytes/macrophages in vitro after stimulation by SHEDs. This study demonstrated in a rat periodontitis model that local delivery of SHEDs attributed to the induction of M2 macrophage polarization, reduction of periodontal tissue inflammation, and enhancement of periodontal regeneration.
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Affiliation(s)
- Xianling Gao
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Zongshan Shen
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Meiliang Guan
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Qiting Huang
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Lingling Chen
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Wei Qin
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China
| | - Xiaohu Ge
- 2 Guangzhou Saliai Stem Cell Science and Technology Co. Ltd. , International Biotech Island, Guangzhou, China
| | - Haijia Chen
- 2 Guangzhou Saliai Stem Cell Science and Technology Co. Ltd. , International Biotech Island, Guangzhou, China
| | - Yin Xiao
- 3 Institute of Health and Biomedical Innovation, Queensland University of Technology , Brisbane, Australia .,4 Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology , Brisbane, Australia
| | - Zhengmei Lin
- 1 Guangdong Provincial Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology, Sun Yat-sen University , Guangzhou, China .,4 Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology , Brisbane, Australia
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24
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Madureira DF, Lucas De Abreu Lima I, Costa GC, Lages EMB, Martins CC, Aparecida Da Silva T. Tumor Necrosis Factor-alpha in Gingival Crevicular Fluid as a Diagnostic Marker for Periodontal Diseases: A Systematic Review. J Evid Based Dent Pract 2018; 18:315-331. [PMID: 30514445 DOI: 10.1016/j.jebdp.2018.04.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 12/30/2017] [Accepted: 04/22/2018] [Indexed: 02/01/2023]
Abstract
OBJECTIVES The aim of this systematic review was to evaluate human gingival crevicular fluid (GCF) tumor necrosis factor-alpha (TNF-α) as a potential biomarker for diagnosis of periodontal disease (International prospective register of systematic reviews [PROSPERO] number: CRD42015020199). METHODS An electronic search for TNF-α in human GCF was conducted until May 17, 2018. Data from systemically healthy patients with healthy periodontium or periodontal disease were incorporated. Risk bias was assessed by Newcastle-Ottawa Scale for case-control studies and Jadad scale for clinical trials. RESULTS Twenty-six studies were included (12 case-control studies, 7 clinical trials, and 7 randomized controlled trials). Most case-control studies showed increased TNF-α concentration in GCF of patients with periodontal disease. The clinical trials and randomized controlled trials demonstrated no consistent modification of TNF-α level after periodontal intervention. CONCLUSION The present data support the use of TNF-α in GCF as a potential biomarker for diagnosis of periodontal disease but not to monitor the healing after therapy.
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Affiliation(s)
- Davidson Fróis Madureira
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Izabella Lucas De Abreu Lima
- Department of Morphology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Giselle Cabral Costa
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Elizabeth Maria Bastos Lages
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Carolina Castro Martins
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Tarcília Aparecida Da Silva
- Department of Oral Surgery and Pathology, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
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Effects of Antimicrobial Photodynamic Therapy and Local Administration of Minocycline on Clinical, Microbiological, and Inflammatory Markers of Periodontal Pockets: A Pilot Study. Int J Dent 2018; 2018:1748584. [PMID: 29849634 PMCID: PMC5907519 DOI: 10.1155/2018/1748584] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 01/15/2018] [Accepted: 02/27/2018] [Indexed: 01/04/2023] Open
Abstract
Objective We evaluated the efficacies of antimicrobial photodynamic therapy (aPDT) and minocycline ointment (MO) on clinical and bacteriological markers and the local host inflammatory response. Materials and Methods A total of 30 patients with chronic periodontitis were randomly assigned to two groups. Selected periodontal pockets (probing depth 5-7 mm with bleeding on probing) were treated with aPDT or MO. Measurements of clinical parameters and the collection of gingival crevicular fluid (GCF) and subgingival plaque were performed at baseline, and at 1 and 4 weeks after treatment. Quantification of periodontopathic bacteria in the sulcus and a multiplex bead immunoassay of ten inflammatory cytokines in the GCF were performed. Results Local MO administration exhibited a significant decrease in scores for clinical parameters (P < 0.01) and a significant reduction in bacterial counts (P < 0.01) and interleukin-1β and interferon-γ levels at 1 and 4 weeks after treatment (P < 0.01). No significant changes were observed in the aPDT group, except in clinical parameters. Conclusions Although our study had some limitations, we found that while local administration of MO may slightly help to improve clinical, microbiological, and crevicular cytokine levels in periodontal pockets, aPDT did not show any effects. This trial is registered with the UMIN Clinical Trials Registry UMIN000013376.
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26
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Morozumi T, Yashima A, Gomi K, Ujiie Y, Izumi Y, Akizuki T, Mizutani K, Takamatsu H, Minabe M, Miyauchi S, Yoshino T, Tanaka M, Tanaka Y, Hokari T, Yoshie H. Increased systemic levels of inflammatory mediators following one-stage full-mouth scaling and root planing. J Periodontal Res 2018; 53:536-544. [DOI: 10.1111/jre.12543] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2018] [Indexed: 12/29/2022]
Affiliation(s)
- T. Morozumi
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - A. Yashima
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - K. Gomi
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - Y. Ujiie
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - Y. Izumi
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - T. Akizuki
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - K. Mizutani
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - H. Takamatsu
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - M. Minabe
- Bunkyo-Dori Dental Clinic; Chiba Japan
- Division of Periodontology; Department of Oral Interdisciplinary Medicine; School of Dentistry; Kanagawa Dental University; Yokosuka Japan
| | | | - T. Yoshino
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - M. Tanaka
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - Y. Tanaka
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - T. Hokari
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - H. Yoshie
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
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27
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Li R, Tian C, Postlethwaite A, Jiao Y, Garcia-Godoy F, Pattanaik D, Wei D, Gu W, Li J. Rheumatoid arthritis and periodontal disease: What are the similarities and differences? Int J Rheum Dis 2018; 20:1887-1901. [DOI: 10.1111/1756-185x.13240] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Rongbin Li
- Center of Integrative Research; The First Hospital of Qiqihaer City; Qiqihaer Heilongjiang China
- Department of Orthopedic Surgery and BME-Campbell Clinic; University of Tennessee Health Science Center; Memphis TN USA
| | - Cheng Tian
- Department of Orthopedic Surgery and BME-Campbell Clinic; University of Tennessee Health Science Center; Memphis TN USA
| | - Arnold Postlethwaite
- Division of Connective Tissue Diseases; Department of Medicine; University of Tennessee Health Science Center; Memphis TN USA
- Department of Veterans Affairs Medical Center; University of Tennessee Health Science Center; Memphis TN USA
| | - Yan Jiao
- Department of Orthopedic Surgery and BME-Campbell Clinic; University of Tennessee Health Science Center; Memphis TN USA
| | - Franklin Garcia-Godoy
- Bioscience Research Center; College of Dentistry; University of Tennessee Health Science Center; Memphis TN USA
| | - Debendra Pattanaik
- Division of Connective Tissue Diseases; Department of Medicine; University of Tennessee Health Science Center; Memphis TN USA
- Department of Veterans Affairs Medical Center; University of Tennessee Health Science Center; Memphis TN USA
| | - Dongmei Wei
- Center of Integrative Research; The First Hospital of Qiqihaer City; Qiqihaer Heilongjiang China
| | - Weikuan Gu
- Department of Orthopedic Surgery and BME-Campbell Clinic; University of Tennessee Health Science Center; Memphis TN USA
- Department of Veterans Affairs Medical Center; University of Tennessee Health Science Center; Memphis TN USA
| | - Jianwei Li
- Center of Integrative Research; The First Hospital of Qiqihaer City; Qiqihaer Heilongjiang China
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Concentration of MMP-8 and IL-1β in gingival crevicular fluid in patients with chronic and aggressive periodontitis. Cent Eur J Immunol 2017; 42:342-346. [PMID: 29472810 PMCID: PMC5820986 DOI: 10.5114/ceji.2017.72824] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 03/01/2017] [Indexed: 02/06/2023] Open
Abstract
Modern research confirms the role of inflammatory mediators in the pathomechanism of periodontal tissue destruction. The aim of the study was to determine concentrations of MMP-8 and IL-1β in gingival crevicular fluid (GCF) in patients with advanced chronic and aggressive periodontitis. The authors measured the concentrations of the above inflammatory mediators in gingival crevicular fluid of deep pockets (PD ≥ 6 mm) and shallow pockets (PD 4-5 mm) in 33 patients with advanced chronic periodontitis and in 16 patients with aggressive periodontitis. The control group consisted of 16 individuals with healthy periodontium. In all patients levels of MMP-8 and IL-1β in GCF were determined with the ELISA method. The study showed significantly higher concentrations of MMP-8 and IL-1β in GCF of both deep and shallow pockets in patients with periodontitis compared to healthy subjects. No difference in concentrations of the tested mediators was observed with reference to diagnosis of aggressive periodontitis (AP) or chronic periodontitis (CP).
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29
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Bostanci N, Belibasakis GN. Gingival crevicular fluid and its immune mediators in the proteomic era. Periodontol 2000 2017; 76:68-84. [DOI: 10.1111/prd.12154] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2016] [Indexed: 12/11/2022]
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30
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Tomás I, Arias-Bujanda N, Alonso-Sampedro M, Casares-de-Cal MA, Sánchez-Sellero C, Suárez-Quintanilla D, Balsa-Castro C. Cytokine-based Predictive Models to Estimate the Probability of Chronic Periodontitis: Development of Diagnostic Nomograms. Sci Rep 2017; 7:11580. [PMID: 28912468 PMCID: PMC5599565 DOI: 10.1038/s41598-017-06674-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 06/15/2017] [Indexed: 12/12/2022] Open
Abstract
Although a distinct cytokine profile has been described in the gingival crevicular fluid (GCF) of patients with chronic periodontitis, there is no evidence of GCF cytokine-based predictive models being used to diagnose the disease. Our objectives were: to obtain GCF cytokine-based predictive models; and develop nomograms derived from them. A sample of 150 participants was recruited: 75 periodontally healthy controls and 75 subjects affected by chronic periodontitis. Sixteen mediators were measured in GCF using the Luminex 100™ instrument: GMCSF, IFNgamma, IL1alpha, IL1beta, IL2, IL3, IL4, IL5, IL6, IL10, IL12p40, IL12p70, IL13, IL17A, IL17F and TNFalpha. Cytokine-based models were obtained using multivariate binary logistic regression. Models were selected for their ability to predict chronic periodontitis, considering the different role of the cytokines involved in the inflammatory process. The outstanding predictive accuracy of the resulting smoking-adjusted models showed that IL1alpha, IL1beta and IL17A in GCF are very good biomarkers for distinguishing patients with chronic periodontitis from periodontally healthy individuals. The predictive ability of these pro-inflammatory cytokines was increased by incorporating IFN gamma and IL10. The nomograms revealed the amount of periodontitis-associated imbalances between these cytokines with pro-inflammatory and anti-inflammatory effects in terms of a particular probability of having chronic periodontitis.
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Affiliation(s)
- I Tomás
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-surgical Specialties, School of Medicine and Dentistry, Health Research Institute of Santiago (IDIS), Universidade de Santiago de Compostela, Galicia, Spain.
| | - N Arias-Bujanda
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-surgical Specialties, School of Medicine and Dentistry, Health Research Institute of Santiago (IDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - M Alonso-Sampedro
- Department of Internal Medicine and Clinical Epidemiology, Complejo Hospitalario Universitario, Santiago de Compostela, Galicia, Spain
| | - M A Casares-de-Cal
- Department of Mathematical Analysis, Statistics and Optimization, School of Mathematics, Universidade de Santiago de Compostela, Galicia, Spain
| | - C Sánchez-Sellero
- Department of Mathematical Analysis, Statistics and Optimization, School of Mathematics, Universidade de Santiago de Compostela, Galicia, Spain
| | - D Suárez-Quintanilla
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-surgical Specialties, School of Medicine and Dentistry, Health Research Institute of Santiago (IDIS), Universidade de Santiago de Compostela, Galicia, Spain
| | - C Balsa-Castro
- Oral Sciences Research Group, Special Needs Unit, Department of Surgery and Medical-surgical Specialties, School of Medicine and Dentistry, Health Research Institute of Santiago (IDIS), Universidade de Santiago de Compostela, Galicia, Spain
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31
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Hsiao YC, Chi LM, Chien KY, Chiang WF, Chen SF, Chuang YN, Lin SY, Wu CC, Chang YT, Chu LJ, Chen YT, Chia SL, Chien CY, Chang KP, Chang YS, Yu JS. Development of a Multiplexed Assay for Oral Cancer Candidate Biomarkers Using Peptide Immunoaffinity Enrichment and Targeted Mass Spectrometry. Mol Cell Proteomics 2017; 16:1829-1849. [PMID: 28821604 DOI: 10.1074/mcp.ra117.000147] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Indexed: 01/15/2023] Open
Abstract
Oral cancer is one of the most common cancers worldwide, and there are currently no biomarkers approved for aiding its management. Although many potential oral cancer biomarkers have been discovered, very few have been verified in body fluid specimens in parallel to evaluate their clinical utility. The lack of appropriate multiplexed assays for chosen targets represents one of the bottlenecks to achieving this goal. In the present study, we develop a peptide immunoaffinity enrichment-coupled multiple reaction monitoring-mass spectrometry (SISCAPA-MRM) assay for verifying multiple reported oral cancer biomarkers in saliva. We successfully produced 363 clones of mouse anti-peptide monoclonal antibodies (mAbs) against 36 of 49 selected targets, and characterized useful mAbs against 24 targets in terms of their binding affinity for peptide antigens and immuno-capture ability. Comparative analyses revealed that an equilibrium dissociation constant (KD ) cut-off value < 2.82 × 10-9 m could identify most clones with an immuno-capture recovery rate >5%. Using these mAbs, we assembled a 24-plex SISCAPA-MRM assay and optimized assay conditions in a 25-μg saliva matrix background. This multiplexed assay showed reasonable precision (median coefficient of variation, 7.16 to 32.09%), with lower limits of quantitation (LLOQ) of <10, 10-50, and >50 ng/ml for 14, 7 and 3 targets, respectively. When applied to a model saliva sample pooled from oral cancer patients, this assay could detect 19 targets at higher salivary levels than their LLOQs. Finally, we demonstrated the utility of this assay for quantification of multiple targets in individual saliva samples (20 healthy donors and 21 oral cancer patients), showing that levels of six targets were significantly altered in cancer compared with the control group. We propose that this assay could be used in future studies to compare the clinical utility of multiple oral cancer biomarker candidates in a large cohort of saliva samples.
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Affiliation(s)
- Yung-Chin Hsiao
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,§Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Lang-Ming Chi
- ¶Clinical Proteomics Core Laboratory, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Kun-Yi Chien
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,¶Clinical Proteomics Core Laboratory, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,‖Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wei-Fan Chiang
- **Department of Oral & Maxillofacial Surgery, Chi-Mei Medical Center, Liouying, Taiwan.,‡‡School of Dentistry, National Yang Ming University, Taipei, Taiwan
| | - Szu-Fan Chen
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Yao-Ning Chuang
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Shih-Yu Lin
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Chia-Chun Wu
- ‖Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Ting Chang
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Lichieh Julie Chu
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,§Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Yi-Ting Chen
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,‖Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,§§Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,¶¶Department of Nephrology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
| | - Shu-Li Chia
- ‖‖Health Promotion Administration, Ministry of Health and Welfare, Taiwan
| | - Chih-Yen Chien
- Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Kai-Ping Chang
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Yu-Sun Chang
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Jau-Song Yu
- From the ‡Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan; .,§Liver Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan.,‖Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Cell and Molecular Biology, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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32
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Effect of laser-assisted scaling and root planing on the expression of pro-inflammatory cytokines in the gingival crevicular fluid of patients with chronic periodontitis: A systematic review. Photodiagnosis Photodyn Ther 2017; 18:63-77. [DOI: 10.1016/j.pdpdt.2017.02.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 02/08/2017] [Accepted: 02/16/2017] [Indexed: 12/28/2022]
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33
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Barros SP, Williams R, Offenbacher S, Morelli T. Gingival crevicular fluid as a source of biomarkers for periodontitis. Periodontol 2000 2017; 70:53-64. [PMID: 26662482 DOI: 10.1111/prd.12107] [Citation(s) in RCA: 207] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2015] [Indexed: 12/12/2022]
Abstract
In evaluating the pathogenesis of periodontal diseases, the diagnostic potential of gingival crevicular fluid has been extensively explored during the last twenty years, from initially just confirming health and disease states to more recently investigating it as a potential prognostic tool. As host susceptibility is a critical determinant in periodontal disease pathogenesis, the inflammatory mediator levels present in gingival crevicular fluid represent relevant risk indicators for disease activity. Considerable work has been carried out to identify the many different cytokine inflammatory pathways and microbial stimuli that are associated with periodontal disease pathogenesis. Now, 'omics' approaches aim to summarize how these pathways interact and probably converge to create critical inflammatory networks. More recently, gingival crevicular fluid metabolomics appears promising as an additional diagnostic method. Biofilm structure and the host inflammatory response to the microbial challenge may induce specific inflammatory signatures. Host genetics and epigenetics may also modulate microbial colonization, adding to the multiplicity of potential causal pathways. Omics analyses of gingival crevicular fluid, measuring microbial and host interactions in association with the onset and progression of periodontal diseases, still show the potential to expand the landscape for the discovery of diagnostic, prognostic and therapeutic markers.
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Carvajal P, Gómez M, Gomes S, Costa R, Toledo A, Solanes F, Romanelli H, Oppermann R, Rösing C, Gamonal J. Prevalence, severity, and risk indicators of gingival inflammation in a multi-center study on South American adults: a cross sectional study. J Appl Oral Sci 2016; 24:524-534. [PMID: 27812624 PMCID: PMC5083031 DOI: 10.1590/1678-775720160178] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Accepted: 06/27/2016] [Indexed: 01/22/2023] Open
Abstract
Objectives: The aim of this study is to investigate the prevalence and severity of gingival inflammation and associated risk indicators in South American adults. Material and Methods: Multi-stage samples totaling 1,650 adults from Porto Alegre (Brazil), Tucumán (Argentina), and Santiago (Chile) were assessed. The sampling procedure consisted of a 4-stage process. Examinations were performed in mobile dental units by calibrated examiners. A multivariable logistic regression model was utilized for associating variables as indicators of gingival inflammation (GI) (Gingival Index ≥0.5). Statistical significance was set at 0.05. Results: A total of 96.5% of the adults have GI. Regarding the severity of GI, 22.5% of participants examined have mild GI, 74.0% have moderate GI, and 3.6% have severe GI. The multivariate analyses identify the main risk indicators for GI as adults with higher mean of Calculus Index (OR=18.59); with a Visible Plaque Index ≥30% (OR=14.56); living in Santiago (OR=7.17); having ≤12 years of schooling (OR=2.18), and females (OR=1.93). Conclusions: This study shows a high prevalence and severity of gingival inflammation, being the first one performed in adult populations in three cities of South America.
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Affiliation(s)
- Paola Carvajal
- Universidade de Chile, Facultad de Odontología, Departamento de Odontología Conservadora, Laboratorio de Biología Periodontal, Santiago, Chile
| | - Mariel Gómez
- Universidad Maimónides, Facultad de Odontología, Buenos Aires, Argentina
| | - Sabrina Gomes
- Universidade Federal do Rio Grande do Sul, Faculdade de Odontologia, Departamento de Odontologia Conservadora, Porto Alegre, Brasil
| | - Ricardo Costa
- Universidade Federal do Rio Grande do Sul, Faculdade de Odontologia, Departamento de Odontologia Conservadora, Porto Alegre, Brasil
| | - Andres Toledo
- Universidad Maimónides, Facultad de Odontología, Buenos Aires, Argentina
| | - Fernando Solanes
- Universidade de Chile, Facultad de Odontología, Departamento de Odontología Conservadora, Laboratorio de Biología Periodontal, Santiago, Chile
| | - Hugo Romanelli
- Universidad Maimónides, Facultad de Odontología, Buenos Aires, Argentina
| | - Rui Oppermann
- Universidade Federal do Rio Grande do Sul, Faculdade de Odontologia, Departamento de Odontologia Conservadora, Porto Alegre, Brasil
| | - Cassiano Rösing
- Universidade Federal do Rio Grande do Sul, Faculdade de Odontologia, Departamento de Odontologia Conservadora, Porto Alegre, Brasil
| | - Jorge Gamonal
- Universidade de Chile, Facultad de Odontología, Departamento de Odontología Conservadora, Laboratorio de Biología Periodontal, Santiago, Chile
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35
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Nazar Majeed Z, Philip K, Alabsi AM, Pushparajan S, Swaminathan D. Identification of Gingival Crevicular Fluid Sampling, Analytical Methods, and Oral Biomarkers for the Diagnosis and Monitoring of Periodontal Diseases: A Systematic Review. DISEASE MARKERS 2016; 2016:1804727. [PMID: 28074077 PMCID: PMC5198140 DOI: 10.1155/2016/1804727] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Revised: 10/07/2016] [Accepted: 10/23/2016] [Indexed: 12/25/2022]
Abstract
Background. Several studies in the last decades have focused on finding a precise method for the diagnosis of periodontal disease in its early stages. Aim. To evaluate from current scientific literature the most common and precise method for gingival crevicular fluid (GCF) sample collection, biomarker analytical methods, and the variability of biomarker quantification, even when using the same analytical technique. Methodology. An electronic search was conducted on in vivo studies that presented clinical data on techniques used for GCF collection and biomarker analysis. Results. The results showed that 71.1%, 24.7%, and 4.1% of the studies used absorption, microcapillary, and washing techniques, respectively, in their gingival crevicular fluid collection. 73.1% of the researchers analyzed their samples by using enzyme-linked immunosorbent assay (ELISA). 22.6%, 19.5%, and 18.5% of the researchers included interleukin-1 beta (IL-1β), matrix metalloproteinase-8 (MMP-8), and tumor necrosis factor-alpha (TNF-α), respectively, in their studies as biomarkers for periodontal disease. Conclusion. IL-1β can be considered among the most common biomarkers that give precise results and can be used as an indicator of periodontal disease progression. Furthermore, paper strips are the most convenient and accurate method for gingival crevicular fluid collection, while enzyme-linked immunosorbent assay can be considered the most conventional method for the diagnosis of biofluids.
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Affiliation(s)
- Zeyad Nazar Majeed
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
- Department of Periodontology, Faculty of Dentistry, University of Babylon, Babylon, Iraq
| | - Koshy Philip
- Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - A. M. Alabsi
- Department of Oral and Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Saravanan Pushparajan
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Dasan Swaminathan
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
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Ziauddin S, Montenegro Raudales JL, Sato K, Yoshioka H, Ozaki Y, Kaneko T, Yoshimura A, Hara Y. Analysis of Subgingival Plaque Ability to Stimulate Toll-Like Receptor 2 and 4. J Periodontol 2016; 87:1083-91. [DOI: 10.1902/jop.2016.150573] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Jang JY, Song IS, Baek KJ, Choi Y, Ji S. Immunologic characteristics of human gingival fibroblasts in response to oral bacteria. J Periodontal Res 2016; 52:447-457. [DOI: 10.1111/jre.12410] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2016] [Indexed: 01/12/2023]
Affiliation(s)
- J. Y. Jang
- Department of Periodontology; Institute of Oral Health Science; Ajou University School of Medicine; Suwon Korea
| | - I.-S. Song
- Department of Oral and Maxillofacial Surgery; Korea University Anam Hospital; Seoul Korea
| | - K. J. Baek
- Department of Oromaxillofacial Infection & Immunity; BK21 CLS; School of Dentistry and Dental Research Institute; Seoul National University; Seoul Korea
| | - Y. Choi
- Department of Oromaxillofacial Infection & Immunity; BK21 CLS; School of Dentistry and Dental Research Institute; Seoul National University; Seoul Korea
| | - S. Ji
- Department of Periodontology; Institute of Oral Health Science; Ajou University School of Medicine; Suwon Korea
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Stadler AF, Angst PDM, Arce RM, Gomes SC, Oppermann RV, Susin C. Gingival crevicular fluid levels of cytokines/chemokines in chronic periodontitis: a meta-analysis. J Clin Periodontol 2016; 43:727-45. [PMID: 27027257 DOI: 10.1111/jcpe.12557] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2016] [Indexed: 12/14/2022]
Abstract
AIMS To compare gingival crevicular fluid (GCF) cytokines/chemokines levels between periodontally healthy subjects and subjects diagnosed with chronic periodontitis (ChP), before and after non-surgical periodontal treatment, and to establish their predictive value for periodontal disease progression. METHODS Studies indexed in MEDLINE and EMBASE published in English, Portuguese and Spanish were eligible for this review. Database searches up to December 2015, and manual search of the reference list from reviews and selected articles was performed. Only studies providing data on GCF cytokines/chemokines levels in subjects diagnosed with ChP and periodontally healthy controls were included. Cross-sectional, case series, single-arm clinical studies, randomized controlled trials and prospective/retrospective cohort studies were included. Meta-analyses were conducted for those cytokines/chemokines with at least three available studies. RESULTS GCF levels of IL-1β, IL-6, IFN-γ and MCP-1/CCL2 were significantly higher in subjects diagnosed with ChP than periodontally healthy subjects. A significant decrease in GCF levels of IL-1β and IL-17 was observed after non-surgical periodontal treatment, whereas a significant increase was observed for IL-4. CONCLUSION Evidence for significant differences between periodontal health and ChP was observed for a few cytokines and one chemokine. No conclusions could be drawn with regards to increased risk of disease progression.
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Affiliation(s)
- Amanda F Stadler
- Section of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.,Department of Periodontics, Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - Patrícia D M Angst
- Section of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Roger M Arce
- Department of Periodontics, Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - Sabrina C Gomes
- Section of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rui V Oppermann
- Section of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Cristiano Susin
- Department of Periodontics, Dental College of Georgia, Augusta University, Augusta, GA, USA
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Consumption of bilberries controls gingival inflammation. Int J Mol Sci 2015; 16:10665-73. [PMID: 25970751 PMCID: PMC4463668 DOI: 10.3390/ijms160510665] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 05/04/2015] [Accepted: 05/07/2015] [Indexed: 01/20/2023] Open
Abstract
Bioactive molecules in berries may be helpful in reducing the risk of oral diseases. The aim of this study was to determine the effect of bilberry consumption on the outcome of a routine dental clinical parameter of inflammation, bleeding on probing (BOP), as well as the impact on selected biomarkers of inflammation, such as cytokines, in gingival crevicular fluid (GCF) in individuals with gingivitis. Study individuals who did not receive standard of care treatment were allocated to either a placebo group or to groups that consumed either 250 or 500 g bilberries daily over seven days. The placebo group consumed an inactive product (starch). A study group, receiving standard of care (debridement only) was also included to provide a reference to standard of care treatment outcome. Cytokine levels were assayed using the Luminex MagPix system. The mean reduction in BOP before and after consumption of test product over 1 week was 41% and 59% in the groups that consumed either 250 or 500 g of bilberries/day respectively, and was 31% in the placebo group, and 58% in the standard of care reference group. The analysis only showed a significant reduction in cytokine levels in the group that consumed 500 g of bilberries/day. A statistically significant reduction was observed for IL-1β (p = 0.025), IL-6 (p = 0.012) and VEGF (p = 0.017) in GCF samples in the group that consumed 500 g of bilberries daily. It appears that berry intake has an ameliorating effect on some markers of gingival inflammation reducing gingivitis to a similar extent compared to standard of care.
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Abstract
All of life is regulated by complex and organized chemical reactions that help dictate when to grow, to move, to reproduce, and to die. When these processes go awry, or are interrupted by pathological agents, diseases such as cancer, autoimmunity, or infections can result. Cytokines, chemokines, growth factors, adipokines, and other chemical moieties make up a vast subset of these chemical reactions that are altered in disease states, and monitoring changes in these molecules could provide for the identification of disease biomarkers. From the first identification of carcinoembryonic antigen, to the discovery of prostate-specific antigen, to numerous others described within, biomarkers of disease are detectable in a plethora of sample types. The growing number of biomarkers for infection, autoimmunity, and cancer allow for increasingly early detection, to identification of novel drug targets, to prognostic indicators of disease outcome. However, more and more studies are finding that a single cytokine or growth factor is insufficient as a true disease biomarker and that a more global perspective is needed to understand true disease biology. Such a broad view requires a multiplexed platform for chemical detection, and antibody arrays meet and exceed this need by performing this detection in a high-throughput fashion. Herein, we will discuss how antibody arrays have evolved, and how they have helped direct new drug target design, helped identify therapeutic disease markers, and helped in earlier disease detection. From asthma to renal disease, and neurological dysfunction to immunologic disorders, antibody arrays afford a bright future for new biomarkers discovery.
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Impact of periodontitis on chemokines in smokers. Clin Oral Investig 2014; 19:979-86. [DOI: 10.1007/s00784-014-1314-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 08/26/2014] [Indexed: 01/19/2023]
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