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Molecular Biomarkers in Peri-Implant Health and Disease: A Cross-Sectional Pilot Study. Int J Mol Sci 2022; 23:ijms23179802. [PMID: 36077204 PMCID: PMC9456434 DOI: 10.3390/ijms23179802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/19/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The aim of this feasibility study was to investigate the concentration level of CCL-20/MIP-3α, BAFF/BLyS, IL-23, RANKL, and Osteoprotegerin in the Peri-Implant Crevicular Fluid (PICF), from patients diagnosed with peri-implant mucositis and peri-implantitis, and to compare them with PICF from patients with healthy implants. Methods: Participants with at least one dental implant with healthy peri-implant tissues, peri-implant mucositis, or peri-implantitis were included. PICF was collected using paper strips from healthy and diseased peri-implant sites (n = 19). Biomarker levels were analyzed using a custom Multiplex ELISA Assay Kit. Results: In comparison to peri-implant health, the peri-implant mucositis group showed an increased concentration of CCL-20 MIP-3α, BAFF/BLyS, IL-23, RANKL, and Osteoprotegerin. The peri-implantitis group had the lowest median concentration of Osteoprotegerin (1963 ng/mL); this group had a similar concentration of RANKL (640.84 ng/mL) when compared to the peri-implant health group. BAFF/BLyS (17.06 ng/mL) showed the highest concentration in the peri-implantitis group. Conclusions: This feasibility study suggests that IL-23 and RANKL may help to elucidate the pathogenesis during the conversion from peri-implant health to peri-implantitis. Further research is required in BAFF/BLyS for the early diagnosis of peri-implantitis.
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Roberts JL, Mella-Velazquez G, Dar HY, Liu G, Drissi H. Deletion of IL-17ra in osteoclast precursors increases bone mass by decreasing osteoclast precursor abundance. Bone 2022; 157:116310. [PMID: 34973492 PMCID: PMC10084774 DOI: 10.1016/j.bone.2021.116310] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/09/2021] [Accepted: 12/21/2021] [Indexed: 12/24/2022]
Abstract
Metabolic bone diseases, such as osteoporosis, typically reflect an increase in the number and activity of bone-resorbing osteoclasts that result in a loss of bone mass. Inflammatory mediators have been identified as drivers of both osteoclast formation and activity. The IL-17 family of inflammatory cytokines has gained attention as important contributors to both bone formation and resorption. The majority of IL-17 cytokines signal through receptor complexes containing IL-17a receptor (IL-17ra); however, the role of IL-17ra signaling in osteoclasts remains elusive. In this study, we conditionally deleted Il17ra in osteoclast precursors using LysM-Cre and evaluated the phenotypes of skeletally mature male and female conditional knockout and control mice. The conditional knockout mice displayed an increase in trabecular bone microarchitecture in both the appendicular and axial skeleton. Assessment of osteoclast formation in vitro revealed that deletion of Il17ra decreased osteoclast number, which was confirmed in vivo using histomorphometry. This phenotype was likely driven by a lower abundance of osteoclast precursors in IL-17ra conditional knockout mice. This study suggests that IL-17ra signaling in preosteoclasts can contribute to osteoclast formation and subsequent bone loss.
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Affiliation(s)
- Joseph L Roberts
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA, USA; The Atlanta Department of Veterans Affairs Medical Center, Decatur, GA, USA
| | | | - Hamid Y Dar
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA, USA; The Atlanta Department of Veterans Affairs Medical Center, Decatur, GA, USA
| | - Guanglu Liu
- The Atlanta Department of Veterans Affairs Medical Center, Decatur, GA, USA
| | - Hicham Drissi
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA, USA; The Atlanta Department of Veterans Affairs Medical Center, Decatur, GA, USA.
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Feng Y, Chen Z, Tu SQ, Wei JM, Hou YL, Kuang ZL, Kang XN, Ai H. Role of Interleukin-17A in the Pathomechanisms of Periodontitis and Related Systemic Chronic Inflammatory Diseases. Front Immunol 2022; 13:862415. [PMID: 35371044 PMCID: PMC8968732 DOI: 10.3389/fimmu.2022.862415] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 02/28/2022] [Indexed: 01/02/2023] Open
Abstract
Periodontitis is a chronic inflammatory and destructive disease caused by periodontal microbial infection and mediated by host immune response. As the main cause of loosening and loss of teeth in adults, it is considered to be one of the most common and serious oral diseases in the world. The co-existence of periodontitis and systemic chronic inflammatory diseases such as rheumatoid arthritis, psoriasis, inflammatory bowel disease, diabetes and so on is very common. It has been found that interleukin-17A (IL-17A) secreted by various innate and adaptive immune cells can activate a series of inflammatory cascade reactions, which mediates the occurrence and development of periodontitis and related systemic chronic inflammatory diseases. In this work, we review the role of IL-17A in the pathomechanisms of periodontitis and related systemic chronic inflammatory diseases, and briefly discuss the therapeutic potential of cytokine targeted agents that modulate the IL-17A signaling. A deep understanding of the possible molecular mechanisms in the relationship between periodontitis and systemic diseases will help dentists and physicians update their clinical diagnosis and treatment ideas.
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Rodríguez‐Montaño R, Bernard‐Medina AG, Oregon‐Romero E, Martínez‐Rodríguez VMDC, Pita‐López ML, Gómez‐Meda BC, Guerrero‐Velázquez C. IL-23/IL-17 axis and soluble receptors isoforms sIL-23R and sIL-17RA in patients with rheumatoid arthritis-presenting periodontitis. J Clin Lab Anal 2021; 35:e23963. [PMID: 34403509 PMCID: PMC8418468 DOI: 10.1002/jcla.23963] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/21/2021] [Accepted: 08/07/2021] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) and periodontitis (P) are chronic inflammatory diseases characterized by joint and radiographic bone loss, respectively. IL-23 and IL-17 have an essential role in the immunopathogenesis of RA, and P. IL-23 stimulates Th17 cells through which produces IL-17, IL-21, and RANKL. IL-17 stimulates fibroblasts to produce RANKL, which initiates bone loss in the joints in RA and the periodontal tissue in periodontitis. The aim of this study was to determine the expression pattern of IL-23/IL-17 axis and soluble receptors isoforms sIL-23R and sIL-17RA of patients with RA presenting P (RAP). MATERIAL AND METHODS Healthy subjects (HS) (n = 42), patients with P (n = 40), RA (n = 20), and patients with RAP (n = 40) were included. Plasma samples were obtained to evaluate the IL-23, IL-17A, sIL-23R, and sIL-17RA by ELISA technique. A nonparametric Mann-Whitney U test was used to compare the differences between groups. A Chi-square was used to compare gender, grade and stage of periodontitis, and DAS28-ESR between the groups. Spearman's rank correlation coefficient was used to study the association between the molecules and clinical parameters. RESULTS IL-23 levels were increased in the RAP group, and lower sIL-23R levels were found in the RAP groups. However, IL-17A was lower in the P and RAP group but not in RA patients. RAP group showed a decrease IL-17A levels in advanced stages of the periodontal disease. CONCLUSION These results suggest that IL-23 and IL-17A tend to downregulate their expression patterns when patients present both rheumatoid arthritis and periodontitis.
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Affiliation(s)
- Ruth Rodríguez‐Montaño
- Instituto de Investigación en OdontologíaDepartamento de Clínicas Odontológicas IntegralesCentro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraMéxico
- Doctorado en Ciencias Biomédicas (Orientación Inmunología)Centro Universitario de Ciencias de la Salud. Universidad de GuadalajaraGuadalajaraMéxico
| | | | - Edith Oregon‐Romero
- Instituto de Investigación en Ciencias BiomédicasDepartamento de Biología Molecular y GenómicaCentro Universitario de Ciencias de la Salud. Universidad de GuadalajaraGuadalajaraMéxico
| | | | - María Luisa Pita‐López
- Centro de Investigación en Biología Molecular de las Enfermedades Crónicas (CIBIMEC)Departamento de Ciencias Básicas para la SaludCentro Universitario del Sur. Universidad de GuadalajaraGuadalajaraMéxico
| | - Belinda Claudia Gómez‐Meda
- Departamento de Biología Molecular y GenómicaInstituto de Genética Humana “Dr. Enrique Corona Rivera”Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraMéxico
| | - Celia Guerrero‐Velázquez
- Instituto de Investigación en OdontologíaDepartamento de Clínicas Odontológicas IntegralesCentro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraMéxico
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Jiménez C, Carvajal D, Hernández M, Valenzuela F, Astorga J, Fernández A. Levels of the interleukins 17A, 22, and 23 and the S100 protein family in the gingival crevicular fluid of psoriatic patients with or without periodontitis. An Bras Dermatol 2021; 96:163-170. [PMID: 33531183 PMCID: PMC8007492 DOI: 10.1016/j.abd.2020.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 08/04/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Psoriasis and periodontitis are immunologically mediated chronic inflammatory diseases. Epidemiologic evidence has linked both; however, the change of markers in gingival crevicular fluid has been poorly evaluated. OBJECTIVE To evaluate the levels of IL-17A, IL-22, IL-23, S100A7, S100A8, and S100A9 in gingival crevicular fluid of psoriatic and healthy subjects with and without periodontitis and their relations to psoriasis severity. METHODS Cross-sectional study. Sample comprised the following groups: healthy controls without periodontitis or with mild periodontitis (n=21), healthy controls with moderate or severe periodontitis (n=18), individuals with psoriasis without or mild periodontitis (n=11), and individuals with psoriasis and moderate or severe periodontitis (n=32). Levels of IL-17A, IL-22, IL-23, S100A8, and S100A9 were determined by multiplex assay and S100A7 was measured by ELISA. RESULTS No inter-group differences in the levels of IL-17A, IL-22, IL-23, and S100A7 were found. S100A8 levels were higher in psoriatic patients than controls (p<0.05). S100A8 was positively correlated with psoriasis severity in the group with psoriasis (p<0.05). S100A9 exceeded the detection limits. STUDY LIMITATIONS This pilot study presents a small sample size. CONCLUSIONS The concentrations of S100A8 were highest in psoriatic patients regardless of periodontal health/status. S100A8 was associated with the severity of psoriasis. The concentrations of interleukins and S100A7 were similar in psoriatic patients with or without periodontitis vs. healthy controls.
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Affiliation(s)
- Constanza Jiménez
- Department of Oral Pathology, Faculty of Dentistry, Universidad Andrés Bello, Santiago, Chile
| | - Daniela Carvajal
- Department of Dermatology, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Marcela Hernández
- Laboratory of Periodontal Biology, Faculty of Dentistry, Universidad de Chile, Santiago, Chile; Department of Oral Pathology and Medicine, Faculty of Dentistry, Universidad de Chile, Santiago, Chile
| | - Fernando Valenzuela
- Department of Dermatology, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Jessica Astorga
- Laboratory of Periodontal Biology, Faculty of Dentistry, Universidad de Chile, Santiago, Chile
| | - Alejandra Fernández
- Department of Oral Pathology, Faculty of Dentistry, Universidad Andrés Bello, Santiago, Chile; Laboratory of Periodontal Biology, Faculty of Dentistry, Universidad de Chile, Santiago, Chile.
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Russell T, Bridgewood C, Rowe H, Altaie A, Jones E, McGonagle D. Cytokine "fine tuning" of enthesis tissue homeostasis as a pointer to spondyloarthritis pathogenesis with a focus on relevant TNF and IL-17 targeted therapies. Semin Immunopathol 2021; 43:193-206. [PMID: 33544244 PMCID: PMC7990848 DOI: 10.1007/s00281-021-00836-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 01/04/2021] [Indexed: 12/17/2022]
Abstract
A curious feature of axial disease in ankylosing spondylitis (AS) and related non-radiographic axial spondyloarthropathy (nrAxSpA) is that spinal inflammation may ultimately be associated with excessive entheseal tissue repair with new bone formation. Other SpA associated target tissues including the gut and the skin have well established paradigms on how local tissue immune responses and proven disease relevant cytokines including TNF and the IL-23/17 axis contribute to tissue repair. Normal skeletal homeostasis including the highly mechanically stressed entheseal sites is subject to tissue microdamage, micro-inflammation and ultimately repair. Like the skin and gut, healthy enthesis has resident immune cells including ILCs, γδ T cells, conventional CD4+ and CD8+ T cells and myeloid lineage cells capable of cytokine induction involving prostaglandins, growth factors and cytokines including TNF and IL-17 that regulate these responses. We discuss how human genetic studies, animal models and translational human immunology around TNF and IL-17 suggest a largely redundant role for these pathways in physiological tissue repair and homeostasis. However, disease associated immune system overactivity of these cytokines with loss of tissue repair “fine tuning” is eventually associated with exuberant tissue repair responses in AS. Conversely, excessive biomechanical stress at spinal enthesis or peripheral enthesis with mechanically related or degenerative conditions is associated with a normal immune system attempts at cytokine fine tuning, but in this setting, it is commensurate to sustained abnormal biomechanical stressing. Unlike SpA, where restoration of aberrant and excessive cytokine “fine tuning” is efficacious, antagonism of these pathways in biomechanically related disease may be of limited or even no value.
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Affiliation(s)
- Tobias Russell
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Charlie Bridgewood
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Hannah Rowe
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Ala Altaie
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK.
- Section of Musculoskeletal Disease, Leeds Institute of Molecular Medicine, University of Leeds, NIHR Leeds Musculoskeletal Biomedical Research Unit, Chapel Allerton Hospital, Leeds, UK.
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Lütfioğlu M, Sakallıoğlu U, Sakallıoğlu EE, Özden FO, Ürkmez SS, Bilgici B. Effects of smoking on the gingival crevicular fluid levels of interleukin-17A, interleukin-17E, and oxidative stress following periodontal treatment process. J Periodontal Res 2021; 56:388-396. [PMID: 33458831 DOI: 10.1111/jre.12831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 10/13/2020] [Accepted: 11/12/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVE AND BACKGROUND How smoking affects periodontal inflammation and healing still needs to be revealed with all its mechanisms. In this study, the gingival crevicular fluid (GCF) levels of: (a) interleukin-17A (IL-17A) and interleukin-17E(IL-17E) with their ratios and (b) oxidative stress by means of total oxidative stress (TOS), total anti-oxidant capacity (TAOC), and their ratios as the oxidative stress index (OSI) were evaluated and compared for smoking and non-smoking periodontitis patients after a periodontitis management process including both the non-surgical and surgical treatments. MATERIALS AND METHODS Fifteen smoker and 15 non-smoker generalized periodontitis patients as 2 distinct groups participated in the study. Conventional clinical and radiographical examinations were utilized for the periodontitis diagnosis. The clinical data and GCF samples were collected at baseline, 4 week after non-surgical periodontal treatment (NSPT), and 4 weeks after surgical periodontal treatment (SPT). IL-17A, IL-17E, TOS, and TAOC were determined by ELISA and Rel Assay. RESULTS Clinical parameters in both smokers and non-smokers improved following periodontal treatment (P < .001) and their clinical data were similar for all the examination times (baseline, NSPT, and SPT) (P > .05). Following the treatment phases, the IL-17A concentration decreased and the IL-17E concentration increased in both the smokers and non-smokers (P < .01). The total amount of IL-17A decreased while the total amount of IL-17E increased in smokers throughout NSPT and SPT (P < .01). Such an alteration was seen only at SPT compared to NSPT and baseline in non-smokers (P < .01). The concentration and total amount of IL-17A were higher at baseline, and the concentration and total amount of IL-17E were lower at all examination time points in non-smokers as compared to smokers (P < .01). The 17A/E ratio decreased in both groups following the treatment phases and was higher in smokers at all the examination times (P < .01). TOS were higher and TAOC were lower in smokers versus non-smokers at all the time points, but the differences were significant only for TOS levels (P < .01). Throughout the treatment phases, the concentration and total amount of TOS decreased in smokers(P < .01) and only the total amount of TOS decreased in non-smokers (P < .01). The concentration and total amounts of TAOC increased throughout the treatments in both smokers and non-smokers without significant changes (P > .05). The baseline OSI was higher in smokers, and it decreased only in smokers following the treatment phases (P < .01). CONCLUSIONS Smoking and periodontal inflammation were found to alter IL-17A, IL-17E, and oxidant/anti-oxidant statuses in periodontitis patients. The intra-group assessments in smokers demonstrated more apparent alterations in the oxidant/anti-oxidant statuses and IL-17A and IL-17E levels after periodontitis management.
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Affiliation(s)
- Muge Lütfioğlu
- Department of Periodontology, Ondokuz Mayis University Dental Faculty, Samsun, Turkey
| | - Umur Sakallıoğlu
- Department of Periodontology, Ondokuz Mayis University Dental Faculty, Samsun, Turkey
| | - Eser Elif Sakallıoğlu
- Department of Periodontology, Ondokuz Mayis University Dental Faculty, Samsun, Turkey
| | - Feyza O Özden
- Department of Periodontology, Ondokuz Mayis University Dental Faculty, Samsun, Turkey
| | - Sebati Sinan Ürkmez
- Department of Biochemistry, Ondokuz Mayis University Medical Faculty, Samsun, Turkey
| | - Birsen Bilgici
- Department of Biochemistry, Ondokuz Mayis University Medical Faculty, Samsun, Turkey
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Abstract
Interleukin (IL)-17A is a well-described mediator of bone resorption in inflammatory diseases, and postmenopausal osteoporosis is associated with increased serum levels of IL-17A. Ovariectomy (OVX) can be used as a model to study bone loss induced by estrogen deficiency and the role of IL-17A in osteoporosis development has previously been investigated using various methods to inhibit IL-17A signaling in this model. However, the studies show opposing results. While some publications reported IL-17A as a mediator of OVX-induced osteoporosis, others found a bone-protective role for IL-17 receptor signaling. In this study, we provide an explanation for the discrepancies in previous literature and show for the first time that loss of IL-17A has differential effects on OVX-induced osteoporosis; with IL-17A being important for cortical but not trabecular bone loss. Interestingly, the decrease in trabecular bone after OVX in IL-17A knock-out mice, was accompanied by increased adipogenesis depicted by elevated leptin levels. Additionally, the bone marrow adipose tissue expanded, and the bone-turnover decreased in ovariectomized mice lacking IL-17A compared to ovariectomized WT mice. Our results increase the understanding of how IL-17A signaling influences bone remodeling in the different bone compartments, which is of importance for the development of new treatments of post-menopausal osteoporosis.
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Bunte K, Beikler T. Th17 Cells and the IL-23/IL-17 Axis in the Pathogenesis of Periodontitis and Immune-Mediated Inflammatory Diseases. Int J Mol Sci 2019; 20:ijms20143394. [PMID: 31295952 PMCID: PMC6679067 DOI: 10.3390/ijms20143394] [Citation(s) in RCA: 269] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/11/2019] [Accepted: 07/08/2019] [Indexed: 12/12/2022] Open
Abstract
Innate immunity represents the semi-specific first line of defense and provides the initial host response to tissue injury, trauma, and pathogens. Innate immunity activates the adaptive immunity, and both act highly regulated together to establish and maintain tissue homeostasis. Any dysregulation of this interaction can result in chronic inflammation and autoimmunity and is thought to be a major underlying cause in the initiation and progression of highly prevalent immune-mediated inflammatory diseases (IMIDs) such as psoriasis, rheumatoid arthritis, inflammatory bowel diseases among others, and periodontitis. Th1 and Th2 cells of the adaptive immune system are the major players in the pathogenesis of IMIDs. In addition, Th17 cells, their key cytokine IL-17, and IL-23 seem to play pivotal roles. This review aims to provide an overview of the current knowledge about the differentiation of Th17 cells and the role of the IL-17/IL-23 axis in the pathogenesis of IMIDs. Moreover, it aims to review the association of these IMIDs with periodontitis and briefly discusses the therapeutic potential of agents that modulate the IL-17/IL-23 axis.
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Affiliation(s)
- Kübra Bunte
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Centre Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Thomas Beikler
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Centre Hamburg-Eppendorf, 20246 Hamburg, Germany.
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Rahajoe PS, Smit MJ, Kertia N, Westra J, Vissink A. Cytokines in gingivocrevicular fluid of rheumatoid arthritis patients: A review of the literature. Oral Dis 2019; 25:1423-1434. [PMID: 31206910 PMCID: PMC6853197 DOI: 10.1111/odi.13145] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 12/12/2022]
Abstract
Objective Rheumatoid arthritis (RA) and periodontitis share several pathological features including bone and soft tissue destruction and high levels of circulating inflammatory proteins. Studies related to cytokines in the periodontal inflammatory exudate (gingivocrevicular fluid, GCF) of RA patients might provide insight into the association between periodontitis and RA. The aim of our study was to review the literature on cytokines in GCF of RA patients including the effect of anti‐rheumatic treatment with biological disease‐modifying anti‐rheumatic drugs (DMARDs) and periodontal treatment on these cytokines. Materials and methods MedLine/PubMed searches with different combinations of keywords “rheumatoid arthritis or RA” and “crevicular fluid or GCF” until June 2019 revealed 64 articles. Ten cross‐sectional observational studies and nine treatment studies fulfilled the inclusion criteria. Results Rheumatoid arthritis patients have increased circulating and GCF levels of pro‐inflammatory cytokines and proteins, despite anti‐rheumatic treatment with biological DMARDs. Presence of periodontitis was accompanied by higher cytokine and protein levels. Treatment of periodontitis resulted in a decrease of these levels. Conclusion Analysis of GCF of RA patients reveals that the relationship between periodontitis and RA is bidirectional, probably caused by a non‐specific inflammatory burden. Data for a specific relationship are barely present in GCF.
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Affiliation(s)
- Poerwati S Rahajoe
- Department of Oral and Maxillofacial Surgery, Dr. Sardjito General Hospital, Gadjah Mada University, Yogyakarta, Indonesia
| | - Menke J Smit
- Department of Oral and Maxillofacial Surgery, Department of Rheumatology and Clinical Immunology, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Nyoman Kertia
- Department of Rheumatology, Dr. Sardjito General Hospital, Gadjah Mada University, Yogyakarta, Indonesia
| | - Johanna Westra
- Department of Rheumatology and Clinical Immunology, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
| | - Arjan Vissink
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen and University of Groningen, Groningen, The Netherlands
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Ara T, Nakatani S, Kobata K, Sogawa N, Sogawa C. The Biological Efficacy of Natural Products against Acute and Chronic Inflammatory Diseases in the Oral Region. MEDICINES 2018; 5:medicines5040122. [PMID: 30428613 PMCID: PMC6313758 DOI: 10.3390/medicines5040122] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 11/08/2018] [Accepted: 11/08/2018] [Indexed: 01/31/2023]
Abstract
The oral inflammatory diseases are divided into two types: acute and chronic inflammatory diseases. In this review, we summarize the biological efficacy of herbal medicine, natural products, and their active ingredients against acute and chronic inflammatory diseases in the oral region, especially stomatitis and periodontitis. We review the effects of herbal medicines and a biscoclaurin alkaloid preparation, cepharamthin, as a therapy against stomatitis, an acute inflammatory disease. We also summarize the effects of herbal medicines and natural products against periodontitis, a chronic inflammatory disease, and one of its clinical conditions, alveolar bone resorption. Recent studies show that several herbal medicines such as kakkonto and ninjinto reduce LPS-induced PGE2 production by human gingival fibroblasts. Among herbs constituting these herbal medicines, shokyo (Zingiberis Rhizoma) and kankyo (Zingiberis Processum Rhizoma) strongly reduce PGE2 production. Moreover, anti-osteoclast activity has been observed in some natural products with anti-inflammatory effects used against rheumatoid arthritis such as carotenoids, flavonoids, limonoids, and polyphenols. These herbal medicines and natural products could be useful for treating oral inflammatory diseases.
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Affiliation(s)
- Toshiaki Ara
- Department of Dental Pharmacology, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri 399-0781, Japan.
| | - Sachie Nakatani
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Kenji Kobata
- Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan.
| | - Norio Sogawa
- Department of Dental Pharmacology, Matsumoto Dental University, 1780 Gobara Hirooka, Shiojiri 399-0781, Japan.
| | - Chiharu Sogawa
- Department of Dental Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8525, Japan.
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Brembilla NC, Senra L, Boehncke WH. The IL-17 Family of Cytokines in Psoriasis: IL-17A and Beyond. Front Immunol 2018; 9:1682. [PMID: 30127781 PMCID: PMC6088173 DOI: 10.3389/fimmu.2018.01682] [Citation(s) in RCA: 284] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 07/09/2018] [Indexed: 12/14/2022] Open
Abstract
Psoriasis is a frequent chronic inflammatory skin disease, nowadays considered a major global health problem. Several new drugs, targeting the IL-23/IL-17A pathway, have been recently licensed or are in clinical development. These therapies represent a major improvement of the way in which psoriasis is managed, since they show an unprecedented efficacy on skin symptoms of psoriasis. This has been made possible, thanks to an increasingly more accurate pathogenic view of psoriasis. Today, the belief that Th17 cells mediate psoriasis is moving to the concept of psoriasis as an IL-17A-driven disease. New questions arise at the horizon, given that IL-17A is part of a newly described family of cytokines, which has five distinct homologous: IL-17B, IL-17C, IL-17D, IL-17E, also known as IL-25 and IL-17F. IL-17 family cytokines elicit similar effects in target cells, but simultaneously trigger different and sometimes opposite functions in a tissue-specific manner. This is complicated by the fact that IL-17 cytokines show a high capacity of synergisms with other inflammatory stimuli. In this review, we will summarize the current knowledge around the cytokines belonging to the IL-17 family in relation to skin inflammation in general and psoriasis in particular, and discuss possible clinical implications. A comprehensive understanding of the different roles played by the IL-17 cytokines is crucial to appreciate current and developing therapies and to allow an effective pathogenesis- and mechanisms-driven drug design.
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Affiliation(s)
| | - Luisa Senra
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Wolf-Henning Boehncke
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Division of Dermatology and Venereology, Geneva University Hospitals, Geneva, Switzerland
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IL-25 attenuates rheumatoid arthritis through suppression of Th17 immune responses in an IL-13-dependent manner. Sci Rep 2016; 6:36002. [PMID: 27812008 PMCID: PMC5095710 DOI: 10.1038/srep36002] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 10/03/2016] [Indexed: 12/29/2022] Open
Abstract
IL-25, a new member of the IL-17 cytokine family, is involved in type 2 immunity initiation and has been associated with the pathogenesis of rheumatoid arthritis (RA). However, its exact role remains unclear. Here, we aimed to analyse IL-25 expression in the serum and synovial fluid of RA patients and evaluated the correlations between serum IL-25 levels, clinical and laboratory values and inflammation cytokines. Additionally, we investigated whether IL-25 can suppress Th1/Th17 responses involved in RA pathogenesis. We further determined whether IL-25 can alleviate collagen-induced arthritis (CIA) development in mice and the underlying mechanisms using in vitro and in vivo experiments. Our results showed that IL-25 was upregulated in the serum and synovial fluid of RA patients. Increased serum IL-25 levels were associated with disease severity and inflammatory response in RA patients. Furthermore, IL-25 inhibited CD4+ T-cell activation and differentiation into Th17 cells, without affecting Th1 cells in human RA and CIA models. Administration of IL-25 could attenuate CIA development by Th17 suppression in an IL-13-dependent manner. Our findings indicate that IL-25 plays a potent immunosuppressive role in the pathogenesis of RA and CIA by downregulating Th17 cell response, and thus, may be a potential therapeutic agent for RA.
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Kanzaki H, Makihira S, Suzuki M, Ishii T, Movila A, Hirschfeld J, Mawardi H, Lin X, Han X, Taubman MA, Kawai T. Soluble RANKL Cleaved from Activated Lymphocytes by TNF-α-Converting Enzyme Contributes to Osteoclastogenesis in Periodontitis. THE JOURNAL OF IMMUNOLOGY 2016; 197:3871-3883. [PMID: 27815441 DOI: 10.4049/jimmunol.1601114] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 09/01/2016] [Indexed: 01/24/2023]
Abstract
Host immune responses play a key role in promoting bone resorption in periodontitis via receptor activator of NF-κB ligand (RANKL)-dependent osteoclastogenesis. Both membrane-bound RANKL (mRANKL) expressed on lymphocytes and soluble RANKL (sRANKL) are found in periodontal lesions. However, the underlying mechanism and cellular source of sRANKL release and its biological role in periodontitis are unclear. TNF-α-converting enzyme (TACE) is reported to cleave the following: 1) precursor TNF-α with release of mature, soluble TNF-α and 2) mRANKL with release of sRANKL. Both soluble TNF-α and sRANKL are found in the periodontitis lesion, leading to the hypothesis that TACE expressed on lymphocytes is engaged in RANKL shedding and that the resulting sRANKL induces osteoclastogenesis. In the current study, upon stimulating PBLs with mitogens in vitro, RANKL expression, sRANKL secretion, and TACE expression were all upregulated. Among the four putative mRANKL sheddases examined in neutralization assays, TACE was the only functional sheddase able to cleave mRANKL expressed on PBL. Moreover, PBL culture supernatant stimulated with mitogens in the presence of anti-TACE Ab or anti-RANKL Ab showed a marked reduction of osteoclastogenesis from osteoclast precursors, indicating that TACE-mediated sRANKL may possess sufficient osteoclastogenic activity. According to double-color confocal microscopy, B cells expressed a more pronounced level of RANKL and TACE expression than T cells or monocytes in periodontally diseased gingiva. Conditioned medium of patients' gingival lymphocyte culture increased in vitro osteoclastogenic activity, which was suppressed by the addition of anti-TACE Ab and anti-RANKL Ab. Therefore, TACE-mediated cleavage of sRANKL from activated lymphocytes, especially B cells, can promote osteoclastogenesis in periodontitis.
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Affiliation(s)
- Hiroyuki Kanzaki
- Department of Orthodontics, School of Dental Medicine, Tsurumi University, Yokohama, Kanagawa 230-8501, Japan
| | - Seicho Makihira
- Division of Oral Rehabilitation, Department of Dental Science, Faculty of Dental Science, Kyushu University, Fukuoka 812-8582, Japan
| | - Maiko Suzuki
- College of Dentistry Biosciences, The Ohio State University, Columbus, OH 43210
| | - Takenobu Ishii
- Department of Orthodontics, Tokyo Dental College, Tokyo 101-0061, Japan
| | - Alexandru Movila
- Department of Immunology and Infectious Diseases, Forsyth Institute, Cambridge, MA 02142
| | | | - Hani Mawardi
- Department of Oral Basic and Clinical Science, King Abdulaziz University Faculty of Dentistry, Jeddah 21481, Saudi Arabia; and
| | - Xiaoping Lin
- Department of Stomatology, Shengjing Hospital of China Medical University, Heping, Shenyang 110004, Liaoning Province, China
| | - Xiaozhe Han
- Department of Immunology and Infectious Diseases, Forsyth Institute, Cambridge, MA 02142
| | - Martin A Taubman
- Department of Immunology and Infectious Diseases, Forsyth Institute, Cambridge, MA 02142
| | - Toshihisa Kawai
- Department of Immunology and Infectious Diseases, Forsyth Institute, Cambridge, MA 02142;
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Relationship between Periodontitis and Rheumatoid Arthritis: Review of the Literature. Mediators Inflamm 2015; 2015:259074. [PMID: 26347200 PMCID: PMC4539505 DOI: 10.1155/2015/259074] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 06/08/2015] [Accepted: 06/24/2015] [Indexed: 12/12/2022] Open
Abstract
Periodontitis (PD) and rheumatoid arthritis (RA) are immunoinflammatory diseases where leukocyte infiltration and inflammatory mediators induce alveolar bone loss, synovitis, and joint destruction, respectively. Thus, we reviewed the relationship between both diseases considering epidemiological aspects, mechanical periodontal treatment, inflammatory mediators, oral microbiota, and antibodies, using the keywords “periodontitis” and “rheumatoid arthritis” in PubMed database between January 2012 and March 2015, resulting in 162 articles. After critical reading based on titles and abstracts and following the inclusion and exclusion criteria, 26 articles were included. In the articles, women over 40 years old, smokers and nonsmokers, mainly constituted the analyzed groups. Eight studies broached the epidemiological relationship with PD and RA. Four trials demonstrated that the periodontal treatment influenced the severity of RA and periodontal clinical parameters. Nine studies were related with bacteria influence in the pathogenesis of RA and the presence of citrullinated proteins, autoantibodies, or rheumatoid factor in patients with PD and RA. Five studies investigated the presence of mediators of inflammation in PD and RA. In summary, the majority of the articles have confirmed that there is a correlation between PD and RA, since both disorders have characteristics in common and result from an imbalance in the immunoinflammatory response.
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Riis JL, Granger DA, DiPietro JA, Bandeen-Roche K, Johnson SB. Salivary cytokines as a minimally-invasive measure of immune functioning in young children: correlates of individual differences and sensitivity to laboratory stress. Dev Psychobiol 2015; 57:153-67. [PMID: 25604242 PMCID: PMC4538328 DOI: 10.1002/dev.21271] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Accepted: 10/31/2014] [Indexed: 12/22/2022]
Abstract
There is growing interest in minimally-invasive measures of environmentally-responsive biological systems in developmental science. Contributing to that endeavor, this study explores the intercorrelations, correlates, and task-sensitivity of proinflammatory salivary cytokines in childhood. Saliva was sampled from 125 healthy five-year old children (49% male) across a series of cognitive and emotional challenge laboratory tasks. Samples were assayed for cytokines (IL-1β, IL-6, IL-8, TNFα), and markers of hypothalamic-pituitary-adrenal (HPA) and autonomic nervous system (ANS) activation (salivary cortisol and alpha-amylase [sAA]). Cytokines were positively intercorrelated and task-sensitivity varied. Except IL-8, cytokines were elevated in children with oral health issues and tobacco smoke exposure. Among boys, cytokines were positively related to sAA and negatively related to cortisol. The findings suggest that in healthy children, salivary cytokine levels reflect compartmentalized oral immune activity. Associations between ANS and HPA activity and cytokines in saliva may present opportunities for minimally-invasive methods to explore neuroendocrine-immune interactions during development.
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Affiliation(s)
- Jenna L. Riis
- Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD,
| | - Douglas A. Granger
- Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD,
- Institute for Interdisciplinary Salivary, Bioscience Research Arizona State University, Tempe, AZ
- Department of Acute and Chronic Care, Johns Hopkins School of Nursing, Baltimore, MD
| | - Janet A. DiPietro
- Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD,
| | - Karen Bandeen-Roche
- Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Sara B. Johnson
- Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD,
- Institute for Interdisciplinary Salivary, Bioscience Research Arizona State University, Tempe, AZ
- Department of Pediatrics, Johns Hopkins School of Medicine, Baltimore, MD
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Oliveira T, Figueiredo CA, Brito C, Stavroullakis A, Prakki A, Da Silva Velozo E, Nogueira-Filho G. Effect of Allium cepa L. on Lipopolysaccharide-Stimulated Osteoclast Precursor Cell Viability, Count, and Morphology Using 4',6-Diamidino-2-phenylindole-Staining. Int J Cell Biol 2014; 2014:535789. [PMID: 25221602 PMCID: PMC4137552 DOI: 10.1155/2014/535789] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Revised: 06/12/2014] [Accepted: 06/17/2014] [Indexed: 12/28/2022] Open
Abstract
Allium cepa L. is known to possess numerous pharmacological properties. Our aim was to examine the in vitro effects of Allium cepa L. extract (AcE) on Porphyromonas gingivalis LPS and Escherichia coli LPS-stimulated osteoclast precursor cells to determine cell viability to other future cell-based assays. Osteoclast precursor cells (RAW 264.7) were stimulated by Pg LPS (1 μg/mL) and E. coli LPS (1 μg/mL) in the presence or absence of different concentrations of AcE (10-1000 μg/mL) for 5 days at 37°C/5% CO2. Resazurin reduction and total protein content assays were used to detect cell viability. AcE did not affect cell viability. Resazurin reduction assay showed that AcE, at up to 1000 μg/mL, did not significantly affect cell viability and cellular protein levels. Additionally a caspase 3/7 luminescence assay was used to disclose apoptosis and there was no difference in apoptotic activity between tested groups and control group. Fluorescence images stained by DAPI showed no alteration on the morphology and cell counts of LPS-stimulated osteoclast precursor cells with the use of AcE in all tested concentrations when compared to control. These findings suggest that Allium cepa L. extract could be used for in vitro studies on Porphyromonas gingivalis LPS and Escherichia coli LPS-stimulated osteoclast precursor cells.
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Affiliation(s)
- Tatiane Oliveira
- Department of Bioregulation, Institute of Health Sciences, Federal University of Bahia, 41110-100 Salvador, BA, Brazil
- Department of Biological and Diagnostic Sciences-Preventive Dentistry, University of Toronto, Toronto, ON, Canada M5G 1G6
| | - Camila A. Figueiredo
- Department of Bioregulation, Institute of Health Sciences, Federal University of Bahia, 41110-100 Salvador, BA, Brazil
| | - Carlos Brito
- Department of Biological and Diagnostic Sciences-Preventive Dentistry, University of Toronto, Toronto, ON, Canada M5G 1G6
| | - Alexander Stavroullakis
- Department of Biological and Diagnostic Sciences-Preventive Dentistry, University of Toronto, Toronto, ON, Canada M5G 1G6
| | - Anuradha Prakki
- Department of Clinical Sciences-Restorative, University of Toronto, Toronto, ON, Canada M5G 1G6
| | - Eudes Da Silva Velozo
- Department of Medicines, Faculty of Pharmacy, Federal University of Bahia, 40170-115 Salvador, BA, Brazil
| | - Getulio Nogueira-Filho
- Department of Biological and Diagnostic Sciences-Preventive Dentistry, University of Toronto, Toronto, ON, Canada M5G 1G6
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Gümüş P, Buduneli E, Biyikoğlu B, Aksu K, Saraç F, Buduneli N, Lappin DF. Gingival crevicular fluid and serum levels of APRIL, BAFF and TNF-alpha in rheumatoid arthritis and osteoporosis patients with periodontal disease. Arch Oral Biol 2013; 58:1302-8. [PMID: 24011305 DOI: 10.1016/j.archoralbio.2013.07.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 07/08/2013] [Accepted: 07/21/2013] [Indexed: 11/29/2022]
Abstract
BACKGROUND This study was performed to evaluate gingival crevicular fluid (GCF) and serum levels of a proliferation inducing ligand (APRIL) and B cell activating factor (BAFF) and compare this to differences between TNF-alpha levels in rheumatoid arthritis (RA), osteoporosis (OPR) and systemically healthy women with periodontal disease (SH). DESIGN Gingival crevicular fluid (GCF) and serum samples were obtained before any periodontal intervention from 17 RA, 19 OPR patients and 13 SH women with periodontitis. Full-mouth clinical periodontal measurements were recorded. APRIL, BAFF and TNF-α levels were determined by ELISA. Statistical analysis was performed using multivariate analysis, ANOVA and Spearman correlation. RESULTS Pocket depths differed in site-specific comparisons, but otherwise clinical measurements were similar in the three study groups. Multivariate least squares regression ANOVA adjusted for age and for plaque index indicated that total amounts of TNF-α and concentrations of TNF-α, BAFF and APRIL were significantly greater in the RA patients than in the SH group (p<0.05), and GCF concentrations of BAFF were greater in OPR patients than in SH. Serum TNF-α and BAFF were significantly higher in the RA group compared to SH (p<0.05) and serum TNF-α was greater in RA than in OPR (p<0.05). APRIL and BAFF correlated with RANKL levels in GCF and serum (p<0.05). CONCLUSION Despite long-term usage of anti-inflammatory drugs in the RA and OPR patients, increased TNF-family cytokines, might suggest that these patients have a propensity to overproduce these inflammatory mediators but whether this results from greater disease activity or contribute to greater disease activity remains moot.
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Affiliation(s)
- Pinar Gümüş
- Department of Periodontology, School of Dentistry, Ege University, İzmir, Turkey
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