1
|
Pan L, She H, Hu Y, Liu L, Wang H, Zhu L. Toll-like receptor 4 deficiency affects the balance of osteoclastogenesis and osteoblastogenesis in periodontitis. Int Immunopharmacol 2024; 137:112500. [PMID: 38889511 DOI: 10.1016/j.intimp.2024.112500] [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: 02/19/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024]
Abstract
Toll-like receptor 4 (TLR4) acts as a double-edged sword in the occurrence and development of periodontitis. While the activation of TLR4 in macrophages aids in clearing local pathogens, it can also disrupt innate immune responses, upsetting microecological balance and accelerating the destruction of periodontal bone tissues. To date, the effects of TLR4 on osteogenesis and osteoclastogenesis in periodontitis have not been comprehensively studied. In this study, we investigated the development of periodontitis in the Tlr4-/- mice by ligating their second molars with silk threads. Compared to wild-type (WT) mice, Tlr4-/- mice demonstrated increased resistance to periodontitis-associated bone destruction, as evidenced by decreased bone resorption and enhanced bone regeneration. Mechanistically, the deletion of Tlr4 not only inhibited osteoclast formation by reducing the expression of NFATc1, CTSK and TRAP, but also enhanced osteogenic abilities through increased expression of OCN, OPN and RUNX2. In conclusion, TLR4 tips the balance of osteoclastogenesis and osteogenesis, thereby promoting periodontal bone destruction in periodontitis.
Collapse
Affiliation(s)
- Lu Pan
- Department of Stomatology, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, Jiangsu, China
| | - He She
- Department of Stomatology, Taizhou Fourth People's Hospital, Taizhou, Jiangsu, China
| | - Yong Hu
- Department of Stomatology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, Jiangsu, China
| | - Laikui Liu
- Department of Basic Science of Stomatology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongyan Wang
- State Key Laboratory of Tea Plant Biology and Utilization, School of Tea and Food Science and Technology, Anhui Agricultural University, Hefei, Anhui, China.
| | - Lifang Zhu
- Department of Stomatology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
| |
Collapse
|
2
|
de Oliveira IC, Zanco M, Lopes J, Sambo MP, de Andrade TAM, Dos Santos GMT, Felonato M, Santamaria-Jr M. Analysis of inflammation and bone remodeling of atmospheric plasma therapy in experimental periodontitis. J Periodontal Res 2024; 59:738-748. [PMID: 38566282 DOI: 10.1111/jre.13248] [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: 11/16/2022] [Revised: 02/09/2024] [Accepted: 02/13/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND AND OBJECTIVE The biological effects of atmospheric plasma (cold plasma) show its applicability for controlling the etiological factors that involve tissue repair. Thus, the study evaluated the effect of atmospheric plasma therapy in the control of tissue inflammation and bone remodeling in experimental periodontitis. METHODS Fifty-six rats were subjected to ligation in the cervical region of the first maxillary molars (8 weeks). The animals were divided into two groups (n = 28): periodontitis without treatment group (P group), and periodontitis with atmospheric plasma treatment group (P + AP group). Tissue samples were collected at 2 and 4 weeks after treatment to analyze the inflammation and bone remodeling by biochemical, histomorphometric, and immunohistochemical analyses. RESULTS Inflammatory infiltration in the gingival and periodontal ligament was lower in the P + AP group than in the P group (p < .05). The MPO and NAG levels were higher in the P + AP group compared to P group (p < .05). At 4 weeks, the TNF-α level was lower and the IL-10 level was higher in the P + AP group compared to P group (p < .05). In the P + AP group, the IL-1β level increased in the second week and decreased in the fourth week (p < .05), the number of blood vessels was high in the gingival and periodontal ligament in the second and fourth week (p < .05); and the number of fibroblasts in the gingival tissue was low in the fourth week, and higher in the periodontal tissue in both period (p < .05). Regarding bone remodeling, the RANK and RANKL levels decreased in the P + AP group (p < .05). The OPG level did not differ between the P and P + AP groups (p > .05), but decreased from the second to the fourth experimental week in P + AP group (p < .05). CONCLUSIONS The treatment of experimental periodontitis with atmospheric plasma for 4 weeks modulated the inflammatory response to favor the repair process and decreased the bone resorption biomarkers, indicating a better control of bone remodeling in periodontal disease.
Collapse
Affiliation(s)
- Ildamara Canoa de Oliveira
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
| | - Mariana Zanco
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
| | - Juliana Lopes
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
| | - Milena Paloma Sambo
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
| | - Thiago Antonio Moretti de Andrade
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
- University of Victoria - Uvic, Victoria, British Columbia, Canada
| | | | - Maira Felonato
- Graduate Program in Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
| | - Milton Santamaria-Jr
- Graduate Program in Orthodontics and Biomedical Sciences, University Center of Hermínio Ometto Foundation - FHO, São Paulo, Brazil
- Department of Social and Pediatric Dentistry, Institute of Science and Technology, São Paulo State University - Unesp, São José dos Campos, Brazil
| |
Collapse
|
3
|
Fan Y, Liu W, Qi L, Zhao Q, Li S, Zou H, Kong C, Li Z, Ren J, Liu Z, Wang B. Correlation of disulfidptosis and periodontitis: New insights and clinical significance. Arch Oral Biol 2024; 166:106046. [PMID: 38991331 DOI: 10.1016/j.archoralbio.2024.106046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/24/2024] [Accepted: 06/28/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVES This study aims to investigate and predict the therapeutic agents associated with disulfidptosis in periodontitis. DESIGN The dataset GSE10334 was downloaded from the Gene Expression Omnibus (GEO) database and used to train a least absolute shrinkage and selection operator (LASSO) regression and support vector machine recursive feature elimination (SVM-RFE) algorithm to identify genes associated with disulfidptosis in periodontitis. GSE16134 validation sets, polymerase chain reaction (PCR), and gingival immunofluorescence were used to verify the results.Single-gene Gene Set Enrichment Analysis (GSEA) was performed to explore the potential mechanisms and functions of the characterized genes. Immune infiltration and correlation analyses were performed, and competing endogenous RNA (ceRNA) networks were constructed. Effective therapeutic drugs were then predicted using the DGIdb database, and molecular docking was used to validate binding affinity. RESULTS Six genes (SLC7A11, SLC3A2, RPN1, NCKAP1, LRPPRC, and NDUFS1) associated with disulfidptosis in periodontitis were obtained. Validation results from external datasets and experiments were consistent with the screening results. Single-gene GSEA analysis was mainly enriched for antigen presentation and immune-related pathways and functions.Immune infiltration and correlation analyses revealed significant regulatory relationships between these genes and plasma cells, resting dendritic cell, and activated NK cells. The ceRNA network was visualized. And ME-344, NV-128, and RILUZOLE, which have good affinity to target genes, were identified as promising agents for the treatment of periodontitis. CONCLUSIONS SLC7A11, SLC3A2, RPN1, NCKAP1, LRPPRC, and NDUFS1 are targets associated with disulfidptosis in periodontitis, and ME-344, NV-128, and RILUZOLE are promising agents for the treatment of periodontitis.
Collapse
Affiliation(s)
- Yixin Fan
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Wantong Liu
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Le Qi
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Qi Zhao
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Sining Li
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - He Zou
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Chen Kong
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Zhiwei Li
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Jiwei Ren
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Zhihui Liu
- Hospital of Stomatology, Jilin University, Changchun, China.
| | - Bowei Wang
- The Second Hospital of Jilin University, Jilin University, Changchun, China.
| |
Collapse
|
4
|
Bergamo EP, Witek L, Ramalho IS, Lopes ACD, Nayak VV, Torroni A, Slavin BV, Bonfante EA, Uhrich KE, Graves DT, Coelho PG. Sustained Release of Salicylic Acid for Halting Peri-Implantitis Progression in Healthy and Hyperglycemic Systemic Conditions: A Gottingen Minipig Model. ACS Biomater Sci Eng 2024; 10:3097-3107. [PMID: 38591966 PMCID: PMC11094686 DOI: 10.1021/acsbiomaterials.4c00161] [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: 01/24/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/10/2024]
Abstract
To develop a peri-implantitis model in a Gottingen minipig and evaluate the effect of local application of salicylic acid poly(anhydride-ester) (SAPAE) on peri-implantitis progression in healthy, metabolic syndrome (MS), and type-2 diabetes mellitus (T2DM) subjects. Eighteen animals were allocated to three groups: (i) control, (ii) MS (diet for obesity induction), and (iii) T2DM (diet plus streptozotocin for T2DM induction). Maxillary and mandible premolars and first molar were extracted. After 3 months of healing, four implants per side were placed in both jaws of each animal. After 2 months, peri-implantitis was induced by plaque formation using silk ligatures. SAPAE polymer was mixed with mineral oil (3.75 mg/μL) and topically applied biweekly for up to 60 days to halt peri-implantitis progression. Periodontal probing was used to assess pocket depth over time, followed by histomorphologic analysis of harvested samples. The adopted protocol resulted in the onset of peri-implantitis, with healthy minipigs taking twice as long to reach the same level of probing depth relative to MS and T2DM subjects (∼3.0 mm), irrespective of jaw. In a qualitative analysis, SAPAE therapy revealed decreased levels of inflammation in the normoglycemic, MS, and T2DM groups. SAPAE application around implants significantly reduced the progression of peri-implantitis after ∼15 days of therapy, with ∼30% lower probing depth for all systemic conditions and similar rates of probing depth increase per week between the control and SAPAE groups. MS and T2DM conditions presented a faster progression of the peri-implant pocket depth. SAPAE treatment reduced peri-implantitis progression in healthy, MS, and T2DM groups.
Collapse
Affiliation(s)
- Edmara
T. P. Bergamo
- Department
of Prosthodontics, NYU Dentistry, New York, New York 10010, United States
| | - Lukasz Witek
- Biomaterials
Division, NYU Dentistry, New York, New York 10010, United States
- Department
of Biomedical Engineering, NYU Tandon School
of Engineering, Brooklyn, New York 11201, United States
- Hansjörg
Wyss Department of Plastic Surgery, NYU
Grossman School of Medicine, New
York, New York 10016, United States
| | - Ilana Santos Ramalho
- Department
of Prosthodontics and Periodontology, University
of Sao Paulo, Bauru School of Dentistry, Bauru, SP 17012-230, Brazil
| | - Adolfo Coelho de
Oliveira Lopes
- Department
of Prosthodontics and Periodontology, University
of Sao Paulo, Bauru School of Dentistry, Bauru, SP 17012-230, Brazil
| | - Vasudev Vivekanand Nayak
- Department
of Biochemistry and Molecular Biology, University
of Miami Miller School of Medicine, Miami, Florida 33136, United States
| | - Andrea Torroni
- Hansjörg
Wyss Department of Plastic Surgery, NYU
Grossman School of Medicine, New
York, New York 10016, United States
| | - Blaire V. Slavin
- University
of Miami Miller School of Medicine, Miami, Florida 33136, United States
| | - Estevam A. Bonfante
- Department
of Prosthodontics and Periodontology, University
of Sao Paulo, Bauru School of Dentistry, Bauru, SP 17012-230, Brazil
| | - Kathryn E. Uhrich
- Department
of Chemistry, University of California Riverside, Riverside, California 92521, United States
| | - Dana T. Graves
- Department
of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Paulo G. Coelho
- Department
of Biochemistry and Molecular Biology, University
of Miami Miller School of Medicine, Miami, Florida 33136, United States
- Division
of Plastic Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida 33136, United States
| |
Collapse
|
5
|
Ortiz-Sánchez BJ, Juárez-Avelar I, Andrade-Meza A, Mendoza-Rodríguez MG, Chirino YI, Monroy-Pérez E, Paniagua-Contreras GL, Rodriguez-Sosa M. Periodontitis exacerbation during pregnancy in mice: Role of macrophage migration inhibitory factor as a key inductor. J Periodontal Res 2024; 59:267-279. [PMID: 37990413 DOI: 10.1111/jre.13211] [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: 06/12/2023] [Revised: 10/12/2023] [Accepted: 10/30/2023] [Indexed: 11/23/2023]
Abstract
OBJECTIVE The present study was designed to investigate the role of macrophage migration inhibitory factor (MIF) in the exacerbation of pregestational periodontal disease (PGPD). BACKGROUND Periodontitis (PT) is a severe stage of periodontal disease characterized by inflammation of the supporting tissues of the teeth, which usually worsens during pregnancy. MIF is a proinflammatory cytokine that is significantly elevated in periodontitis, both at the beginning and at the end of pregnancy. Although periodontitis usually presents with greater severity during pregnancy, the participation of MIF in the evolution of periodontitis has not been established. METHODS To analyze the relevance of MIF in the exacerbation of PGPD, we employed a model of PGPD in WT and Mif-/- mice, both with a BALB/c genetic background. PT was induced with nylon suture ligatures placed supramarginally around the second upper right molar. For PGPD, PT was induced 2 weeks before mating. We evaluated histological changes and performed histometric analysis of the clinical attachment loss, relative expression of MMP-2 and MMP-13 by immunofluorescence, and relative expression of the cytokines mif, tnf-α, ifn-γ, and il-17 by quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS Our data revealed that periodontal tissue from PGPD WT mice produced a twofold increase in MIF compared with PT WT mice. Moreover, the evolution of periodontitis in Mif-/- mice was less severe than in PGDP WT mice. Periodontal tissue from Mif-/- mice with PGPD produced 80% less TNF-α and no IFN-γ, as well as 50% lower expression of matrix metalloproteinase (MMP)-2 and 25% less MMP-13 compared to WT PGDP mice. CONCLUSIONS Our study suggests that MIF plays an important role in the exacerbation of periodontitis during pregnancy and that MIF is partially responsible for the inflammation associated with the severity of periodontitis during pregnancy.
Collapse
Affiliation(s)
- Betsaida J Ortiz-Sánchez
- Carrera de Cirujano Dentista, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla, Mexico
- Programa de Doctorado en Ciencias Biológicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
| | - Imelda Juárez-Avelar
- Programa de Doctorado en Ciencias Biológicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
- Laboratorio de Inmunidad Innata. Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, Mexico
| | - Antonio Andrade-Meza
- Laboratorio de Inmunidad Innata. Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, Mexico
- Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
| | - Mónica Gabriela Mendoza-Rodríguez
- Laboratorio de Inmunoparasitología. Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, Mexico
| | - Yolanda I Chirino
- Laboratorio de Carcinogénesis y Toxicología. Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, Mexico
| | - Eric Monroy-Pérez
- Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, Mexico
| | | | - Miriam Rodriguez-Sosa
- Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico
| |
Collapse
|
6
|
Raaj V, Bhardwaj A, Singh PK, Sinha K. Comparative Evaluation and Correlation of Periodontal Status With Inflammatory Markers in Pregnant Women With or Without Chronic Periodontitis: A Clinico-Hematological Study. Cureus 2024; 16:e55868. [PMID: 38595889 PMCID: PMC11002702 DOI: 10.7759/cureus.55868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 03/05/2024] [Indexed: 04/11/2024] Open
Abstract
Background The research delves into the intricate relationship between periodontal health and specific blood biomarkers in pregnant women during their second trimester. It specifically focuses on the levels of interleukin-6 (IL-6), lactate dehydrogenase (LDH), and C-reactive protein (CRP) in those suffering from chronic periodontitis compared to healthy controls. Methodology A detailed approach was taken involving 60 pregnant women categorized into two groups based on the presence or absence of chronic periodontitis. Out of 60 pregnant women, 30 had chronic periodontitis, while the other 30 served as controls selected from the regular patient population of the college. The study utilized blood sample analysis and advanced statistical tools for data analysis, ensuring precise and reliable results. Levels of IL-6, LDH, and CRP in those suffering from chronic periodontitis compared to healthy controls were checked. Results The findings revealed a notable variance in IL-6, LDH, and CRP levels between the two groups. Women with chronic periodontitis exhibited significantly higher levels of these biomarkers. The statistical analysis reinforced the validity of these differences, highlighting their significance. Conclusions The study underscored a clear link between higher levels of IL-6, LDH, and CRP and the presence of chronic periodontitis in pregnant women. These biomarkers emerge as potential indicators for early detection and monitoring of periodontal health in this demographic.
Collapse
Affiliation(s)
- Vaibhava Raaj
- Department of Periodontology, Faculty of Dental Sciences, Shree Guru Gobind Singh Tricentenary (SGT) University, Gurugram, IND
| | - Amit Bhardwaj
- Department of Periodontology, Faculty of Dental Sciences, Shree Guru Gobind Singh Tricentenary (SGT) University, Gurugram, IND
| | - Prabhat K Singh
- Department of Periodontology, Buddha Institute of Dental Sciences and Hospital, Patna, IND
| | - Kajal Sinha
- Department of Obstetrics and Gynecology, Netaji Subhas Medical College and Hospital, Patna, IND
| |
Collapse
|
7
|
Hoy SR, Vucetich JA, Vucetich LM, Hindelang M, Huebner JL, Kraus VB, Peterson RO. Links between three chronic and age-related diseases, osteoarthritis, periodontitis, and osteoporosis, in a wild mammal (moose) population. Osteoarthritis Cartilage 2024; 32:281-286. [PMID: 38043856 DOI: 10.1016/j.joca.2023.11.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/18/2023] [Accepted: 11/20/2023] [Indexed: 12/05/2023]
Abstract
OBJECTIVE Osteoarthritis, periodontitis and osteoporosis are chronic, age-related diseases which adversely impact millions of people worldwide. Because these diseases pose a major global public health challenge, there is an urgent need to better understand how these diseases are interrelated. Our objective was to document the age and sex-specific prevalence of each disease and assess interrelationships among the three diseases in a wild mammal (moose, Alces alces) population. METHODS We examined the bones of moose dying from natural causes and recorded the severity of osteoarthritis (typically observed on the hip and lowest vertebrae), osteoporosis (osteoporotic lesions observed on the skull) and periodontitis (observed on maxilla and mandibles). RESULTS Periodontitis was associated with a greater prevalence of both severe osteoarthritis and osteoporotic lesions in moose. We found no evidence to suggest that moose with osteoporotic lesions were more or less likely to exhibit signs of osteoarthritis or severe osteoarthritis. The prevalence of osteoarthritis, periodontitis and osteoporotic lesions was greater among males than for females. CONCLUSIONS Our results were consistent with the hypothesis that bacterial pathogens causing periodontitis are a risk factor for osteoarthritis and osteoporosis. They are also consistent with the hypothesis that the inverse association between osteoarthritis and osteoporosis sometimes observed in humans may be influenced by shared risk factors, such as obesity, smoking or alcohol consumption, which are absent in moose. Together these results provide insights about three diseases which are expected to become more prevalent in the future and that cause substantial socio-economic burdens.
Collapse
Affiliation(s)
- Sarah R Hoy
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - John A Vucetich
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Leah M Vucetich
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Mary Hindelang
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| | - Janet L Huebner
- Duke Molecular Physiology Department, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Virginia B Kraus
- Duke Molecular Physiology Department, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Rolf O Peterson
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA.
| |
Collapse
|
8
|
Lillis KV, Grinceviciute R, Diogenes A. Sex-specific nociceptor modulation of the apical periodontitis transcriptome. Front Mol Biosci 2024; 11:1338511. [PMID: 38404963 PMCID: PMC10884291 DOI: 10.3389/fmolb.2024.1338511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/15/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction: Apical periodontitis (AP) is a painful disease that develops quickly following dental infections and is primarily characterized by robust inflammation surrounding the tissues of the affected tooth, resulting in disruption of bone homeostasis and periradicular bone loss. Moreover, there are distinct clinical presentations, symptoms, and responses to AP treatment between male and female subjects, creating a desperate need to further understand the sex-specific mechanisms of AP. Methods: With the growing evidence that nociceptors modulate AP development, we utilized RNA sequencing in nociceptor-ablated (Nav1.8 cre+/-, diphtheria toxin Alox+/-) transgenic mice to study the nociceptor regulation of the periapical lesion transcriptome using a rodent model of AP in female mice over 14 days. Results: Overall, we found that female mice exhibit unique patterns of differentially expressed genes throughout AP infection compared to male mice and that the expression of these genes is regulated by nociceptors. Additionally, nociceptor ablation results in a more significant enrichment of biological processes related to immune responses earlier compared to cre-control (Nav1.8 cre+/-) females and greater expression of genes involved in inflammatory processes and osteolytic activity. Discussion: Therefore, while nociceptor ablation augments inflammatory and bone resorption responses in both males and females in a mouse model of AP, transcriptomic analyses demonstrate that the mechanisms through which nociceptors modulate AP are distinct between sexes. These studies will provide the foundation needed to study further mechanisms of sex differences in AP, an area with a desperate need for investigation to treat current AP patients. Understanding these mechanisms can ultimately inform treatment options to alleviate suffering for millions of patients suffering from AP.
Collapse
Affiliation(s)
| | | | - Anibal Diogenes
- Department of Endodontics, University of Texas Health at San Antonio, San Antonio, TX, United States
| |
Collapse
|
9
|
Han N, Li X, Du J, Xu J, Guo L, Liu Y. The impacts of oral and gut microbiota on alveolar bone loss in periodontitis. J Periodontal Res 2023; 58:1139-1147. [PMID: 37712722 DOI: 10.1111/jre.13168] [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: 03/28/2023] [Revised: 06/12/2023] [Accepted: 07/20/2023] [Indexed: 09/16/2023]
Abstract
Periodontitis, a chronic infectious disease, primarily arises from infections and the invasion of periodontal pathogens. This condition is typified by alveolar bone loss resulting from host immune responses and inflammatory reactions. Periodontal pathogens trigger aberrant inflammatory reactions within periodontal tissues, thereby exacerbating the progression of periodontitis. Simultaneously, these pathogens and metabolites stimulate osteoclast differentiation, which leads to alveolar bone resorption. Moreover, a range of systemic diseases, including diabetes, postmenopausal osteoporosis, obesity and inflammatory bowel disease, can contribute to the development and progression of periodontitis. Many studies have underscored the pivotal role of gut microbiota in bone health through the gut-alveolar bone axis. The circulation may facilitate the transfer of gut pathogens or metabolites to distant alveolar bone, which in turn regulates bone homeostasis. Additionally, gut pathogens can elicit gut immune responses and direct immune cells to remote organs, potentially exacerbating periodontitis. This review summarizes the influence of oral microbiota on the development of periodontitis as well as the association between gut microbiota and periodontitis. By uncovering potential mechanisms of the gut-bone axis, this analysis provides novel insights for the targeted treatment of pathogenic bacteria in periodontitis.
Collapse
Affiliation(s)
- Nannan Han
- Laboratory of Tissue Regeneration and Immunology, Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China
- Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Xiaoyan Li
- Laboratory of Tissue Regeneration and Immunology, Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China
- Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Juan Du
- Laboratory of Tissue Regeneration and Immunology, Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China
- Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Junji Xu
- Laboratory of Tissue Regeneration and Immunology, Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China
- Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lijia Guo
- Department of Orthodontics School of Stomatology, Capital Medical University, Beijing, China
| | - Yi Liu
- Laboratory of Tissue Regeneration and Immunology, Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China
- Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| |
Collapse
|
10
|
Gupta V, Dawar A, Bhadauria US, Purohit BM, Nilima N. Sugar-sweetened beverages and periodontal disease: A systematic review. Oral Dis 2023; 29:3078-3090. [PMID: 36062371 DOI: 10.1111/odi.14368] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 08/10/2022] [Accepted: 08/30/2022] [Indexed: 11/30/2022]
Abstract
This systematic review aims to determine the association between the consumption of sugar-sweetened beverages (SSBs) and periodontal disease. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed to conduct a literature search on five electronic databases till January 2022. Systemically healthy individuals consuming SSBs and presenting periodontal disease (gingivitis/periodontitis) were included. The modified Newcastle-Ottawa Scale and the Grading of Recommendation Assessment Development and Evaluation criteria were respectively used to assess the risk of bias and the evidence's quality. Of the 1303 eligible records identified in the initial search, ten studies (nine cross-sectional and one case-control) were selected for the final review. Among the included articles, five reported SSBs intake in the form of carbonated soft drinks, two as sugary drinks, two as soft drinks, and one as coffee with added sugar. Four studies reported gingivitis as an outcome, while the remaining six studies reported periodontitis using validated indices. The included studies were of medium to high quality. Consumption of SSBs may increase gingival bleeding, thereby gingivitis and the risk of periodontitis. Intake of added sugars like SSBs should be considered as a potential factor during gingival/periodontal risk assessment. Further studies are warranted to establish additional evidence of association.
Collapse
Affiliation(s)
- Vandana Gupta
- Division of Periodontics, Center for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Anika Dawar
- Division of Periodontics, Center for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Upendra Singh Bhadauria
- Division of Public Health Dentistry, Center for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Bharathi M Purohit
- Division of Public Health Dentistry, Center for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Nilima Nilima
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
| |
Collapse
|
11
|
Lillis KV, Austah O, Grinceviciute R, Garlet GP, Diogenes A. Nociceptors regulate osteoimmune transcriptomic response to infection. Sci Rep 2023; 13:17601. [PMID: 37845223 PMCID: PMC10579402 DOI: 10.1038/s41598-023-44648-9] [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: 05/24/2023] [Accepted: 10/11/2023] [Indexed: 10/18/2023] Open
Abstract
Osteoimmune diseases, such as apical periodontitis, are prevalent, often painful, inflammatory conditions resulting in bone loss and reduced quality of life. There is growing evidence that the nociceptive fibers densely innervating affected tissues regulate disease progression; therefore, we hypothesized that nociceptors regulate the transcriptomic profile of the periapical osteolytic lesion in a mouse model of apical periodontitis. Male control and nociceptor-ablated mice underwent pulp exposures, and after 0, 7, or 14 days, total RNA from periapical tissues was submitted for sequencing and bioinformatic analysis. Pulp exposure triggers the differential expression of hundreds of genes over the course of infection. At 14 days post pulp exposure, 422 genes, including Tnf, Il1a, and Il1b, were differentially expressed between nociceptor-ablated and control mice with greater enrichment of biological processes related to inflammation in nociceptor-ablated mice. Nociceptor ablation regulates the transcriptomic profile of periapical lesions in a mouse model of apical periodontitis, shifting the gene expression profile to a greater enrichment of inflammatory genes, suggesting nociceptors play a role in the kinetics of the immune response. This newly uncovered neuro-immune axis and its mechanisms in apical periodontitis can be an important therapeutic target for the treatment of this prevalent disease.
Collapse
Affiliation(s)
- Katherine V Lillis
- Department of Endodontics, University of Texas Health at San Antonio, San Antonio, TX, 78229, USA
| | - Obadah Austah
- Department of Endodontics, University of Texas Health at San Antonio, San Antonio, TX, 78229, USA
- Department of Endodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ruta Grinceviciute
- Department of Endodontics, University of Texas Health at San Antonio, San Antonio, TX, 78229, USA
| | - Gustavo P Garlet
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Anibal Diogenes
- Department of Endodontics, University of Texas Health at San Antonio, San Antonio, TX, 78229, USA.
| |
Collapse
|
12
|
Zhao C, Kuraji R, Ye C, Gao L, Radaic A, Kamarajan P, Taketani Y, Kapila YL. Nisin a probiotic bacteriocin mitigates brain microbiome dysbiosis and Alzheimer's disease-like neuroinflammation triggered by periodontal disease. J Neuroinflammation 2023; 20:228. [PMID: 37803465 PMCID: PMC10557354 DOI: 10.1186/s12974-023-02915-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 09/28/2023] [Indexed: 10/08/2023] Open
Abstract
INTRODUCTION Periodontitis-related oral microbial dysbiosis is thought to contribute to Alzheimer's disease (AD) neuroinflammation and brain amyloid production. Since probiotics can modulate periodontitis/oral dysbiosis, this study examined the effects of a probiotic/lantibiotic, nisin, in modulating brain pathology triggered by periodontitis. METHODS A polymicrobial mouse model of periodontal disease was used to evaluate the effects of this disease on brain microbiome dysbiosis, neuroinflammation, Alzheimer's-related changes, and nisin's therapeutic potential in this context. RESULTS 16S sequencing and real-time PCR data revealed that Nisin treatment mitigated the changes in the brain microbiome composition, diversity, and community structure, and reduced the levels of periodontal pathogen DNA in the brain induced by periodontal disease. Nisin treatment significantly decreased the mRNA expression of pro-inflammatory cytokines (Interleukin-1β/IL-1 β, Interleukin 6/IL-6, and Tumor Necrosis Factor α/TNF-α) in the brain that were elevated by periodontal infection. In addition, the concentrations of amyloid-β 42 (Aβ42), total Tau, and Tau (pS199) (445.69 ± 120.03, 1420.85 ± 331.40, 137.20 ± 36.01) were significantly higher in the infection group compared to the control group (193.01 ± 31.82, 384.27 ± 363.93, 6.09 ± 10.85), respectively. Nisin treatment markedly reduced the Aβ42 (261.80 ± 52.50), total Tau (865.37 ± 304.93), and phosphorylated Tau (82.53 ± 15.77) deposition in the brain of the infection group. DISCUSSION Nisin abrogation of brain microbiome dysbiosis induces beneficial effects on AD-like pathogenic changes and neuroinflammation, and thereby may serve as a potential therapeutic for periodontal-dysbiosis-related AD.
Collapse
Affiliation(s)
- Chuanjiang Zhao
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Periodontology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, 510050, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510050, China
| | - Ryutaro Kuraji
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Periodontology, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, 102-8159, Japan
| | - Changchang Ye
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Periodontology, West China School of Stomatology, National Clinical Research Center for Oral Diseases, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, 610093, China
| | - Li Gao
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Periodontology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, 510050, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510050, China
| | - Allan Radaic
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Biosystems and Function and Periodontics, School of Dentistry, University of California Los Angeles, Los Angeles, CA, 90024, USA
| | - Pachiyappan Kamarajan
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA
- Department of Biosystems and Function and Periodontics, School of Dentistry, University of California Los Angeles, Los Angeles, CA, 90024, USA
| | - Yoshimasa Taketani
- Department of Biosystems and Function and Periodontics, School of Dentistry, University of California Los Angeles, Los Angeles, CA, 90024, USA
- Division of Periodontology, Department of Oral Biology and Tissue Engineering, Meikai University School of Dentistry, Sakado, 350-0283, Japan
| | - Yvonne L Kapila
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, 94143, USA.
- Department of Biosystems and Function and Periodontics, School of Dentistry, University of California Los Angeles, Los Angeles, CA, 90024, USA.
- Section of Biosystems and Function, Section of Periodontology, UCLA School of Dentistry, 10833 Le Conte Ave, Box 951668, Los Angeles, CA, 90095-1668, USA.
| |
Collapse
|
13
|
El-Wakeel NM, Shalaby ZF, Abdulmaguid RF, Elhamed SSA, Shaker O. Local gingival crevicular fluid, synovial fluid, and circulating levels of prolactin hormone in patients with moderately active rheumatoid arthritis and stage III and IV periodontitis before and after non-surgical periodontal treatment-a controlled trial. Clin Oral Investig 2023; 27:2813-2821. [PMID: 36717425 PMCID: PMC10264271 DOI: 10.1007/s00784-023-04867-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/14/2023] [Indexed: 02/01/2023]
Abstract
OBJECTIVES We aimed to investigate prolactin (PRL) levels in gingival crevicular fluid (GCF), synovial fluid, and serum in patients suffering from moderately active rheumatoid arthritis (RA) with and without periodontitis (P). Further, to evaluate the effect of non-surgical periodontal treatment on these levels compared to controls. MATERIALS AND METHODS Eighty subjects were divided into 4 groups: group 1: 20 patients with RA + P, group 2: 20 periodontitis patients (systemically healthy), group 3: RA patients (periodontally healthy), and group 4: healthy controls. Patients with periodontitis received scaling and root planning (SRP). PRL was measured using enzyme-linked immunosorbent assay. RESULTS At baseline, in GCF of RA + P group showed the highest mean PRL levels, followed by P group whereas groups 3 and 4 showed a statistically less values than the first 2 groups. Serum values showed non-significant difference between the first three groups, although higher than healthy controls. SRP reduced GCF and serum levels of PRL in both P groups as well as synovial fluid PRL in group 1. SRP caused no change in DAS scores while reduced ESR values were observed in group 1 after treatment. CONCLUSIONS Local GCF and synovial levels of PRL seem to be linked to the disease process of both periodontitis and rheumatoid arthritis than serum levels. SRP reduced these local levels. CLINICAL RELEVANCE In patients with RA and CP, local PRL seems to play a role in the association between the two conditions; further, periodontal treatment is essential to improve periodontal condition in RA patients. TRIAL REGISTRATION Clinicaltrials.gov. Identifier: NCT04279691.
Collapse
Affiliation(s)
- Naglaa Mohamed El-Wakeel
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Al-Azhar University (Girls Branch), Al-Mokhayam El Dayem St., Nasr City, 1178, Cairo, Egypt.
| | - Zienab Farid Shalaby
- Oral Medicine and Periodontology Department, Faculty of Dentistry, Al-Azhar University (Girls Branch), Al-Mokhayam El Dayem St., Nasr City, 1178, Cairo, Egypt
| | - Rania Farouk Abdulmaguid
- Oral Medicine and Periodontology Department, Faculty of Dentistry, October University for Modern Sciences and Arts, Giza, Egypt
| | - Sally Said Abd Elhamed
- Internal Medicine Department, Faculty of Medicine, Al-Azhar University (Girls Branch), Cairo, Egypt
| | - Olfat Shaker
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| |
Collapse
|
14
|
Hascoët E, Blanchard F, Blin-Wakkach C, Guicheux J, Lesclous P, Cloitre A. New insights into inflammatory osteoclast precursors as therapeutic targets for rheumatoid arthritis and periodontitis. Bone Res 2023; 11:26. [PMID: 37217496 DOI: 10.1038/s41413-023-00257-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 03/02/2023] [Accepted: 03/09/2023] [Indexed: 05/24/2023] Open
Abstract
Rheumatoid arthritis (RA) and periodontitis are chronic inflammatory diseases leading to increased bone resorption. Preventing this inflammatory bone resorption is a major health challenge. Both diseases share immunopathogenic similarities and a common inflammatory environment. The autoimmune response or periodontal infection stimulates certain immune actors, leading in both cases to chronic inflammation that perpetuates bone resorption. Moreover, RA and periodontitis have a strong epidemiological association that could be explained by periodontal microbial dysbiosis. This dysbiosis is believed to be involved in the initiation of RA via three mechanisms. (i) The dissemination of periodontal pathogens triggers systemic inflammation. (ii) Periodontal pathogens can induce the generation of citrullinated neoepitopes, leading to the generation of anti-citrullinated peptide autoantibodies. (iii) Intracellular danger-associated molecular patterns accelerate local and systemic inflammation. Therefore, periodontal dysbiosis could promote or sustain bone resorption in distant inflamed joints. Interestingly, in inflammatory conditions, the existence of osteoclasts distinct from "classical osteoclasts" has recently been reported. They have proinflammatory origins and functions. Several populations of osteoclast precursors have been described in RA, such as classical monocytes, a dendritic cell subtype, and arthritis-associated osteoclastogenic macrophages. The aim of this review is to synthesize knowledge on osteoclasts and their precursors in inflammatory conditions, especially in RA and periodontitis. Special attention will be given to recent data related to RA that could be of potential value in periodontitis due to the immunopathogenic similarities between the two diseases. Improving our understanding of these pathogenic mechanisms should lead to the identification of new therapeutic targets involved in the pathological inflammatory bone resorption associated with these diseases.
Collapse
Affiliation(s)
- Emilie Hascoët
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, Nantes, France
| | - Frédéric Blanchard
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, Nantes, France
| | | | - Jérôme Guicheux
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, Nantes, France.
| | - Philippe Lesclous
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, Nantes, France
| | - Alexandra Cloitre
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RMeS, UMR 1229, F-44000, Nantes, France
| |
Collapse
|
15
|
Alshibani N, AlKattan R, Allam E, Alshehri FA, Shalabi MM, Almuhanna N, Almarshad H, Aljamili A. Effects of metformin on human gingival fibroblasts: an in vitro study. BMC Oral Health 2023; 23:292. [PMID: 37189090 DOI: 10.1186/s12903-023-02978-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
OBJECTIVE To investigate the effects of metformin (MF) treatment on the matrix metalloproteinases (MMPs) and proinflammatory cytokines production from lipopolysaccharide (LPS) - stimulated human gingival fibroblasts (HGFs). METHODS HGFs were obtained from subcultures of biopsies from clinically healthy gingival tissues of patients undergoing oral surgeries. Cell cytotoxicity assay was used to determine the effect of different concentrations of MF on viability of HGFs. HGFs were then incubated and treated with different concentrations of MF and Porphyromonas gingivais (Pg) LPS. MMP-1, MMP-2, MMP-8, MMP-9, IL-1β, and IL-8 expression analysis was performed using xMAP technology (Luminex 200, Luminex, Austin, TX, USA). Student's t-test for a single sample was used to compare the mean values of the study groups with the control value. A p-value of <0.05 and 95% confidence intervals were used to report the statistical significance and precision of mean values. RESULTS Concentrations of 0.5, 1- and 2-mM MF had a minimal non-significant cytotoxic effect on the HGFs and caused statistically significant reduction of MMP-1, MMP-2, MMP-8 and IL-8 expressed by the LPS-stimulated HGFs. CONCLUSION The results of the present study confirm that MF suppresses MMP-1, MMP-2, MMP-8 and IL-8 in LPS-stimulated HGFs suggesting an anti-inflammatory effect of MF and potential adjunct therapeutic role in the treatment of periodontal diseases.
Collapse
Affiliation(s)
- Nouf Alshibani
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia.
| | - Reem AlKattan
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Eman Allam
- Oral and Dental Research Division, National Research Centre, Cairo, Egypt
| | - Fahad A Alshehri
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Manal Matouq Shalabi
- Department of Periodontics, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Nada Almuhanna
- Saudi Board of Periodontics, Ministry of Health, Riyadh, Saudi Arabia
| | - Houriah Almarshad
- Saudi Board of Endodontics, Ministry of Health, Riyadh, Saudi Arabia
| | | |
Collapse
|
16
|
Agrawal J, Lal N, Singhal R. Alopecia and Periodontitis: Exploring the connecting dots. J Indian Soc Periodontol 2023; 27:233-237. [PMID: 37346853 PMCID: PMC10281310 DOI: 10.4103/jisp.jisp_114_22] [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: 03/03/2022] [Revised: 07/09/2022] [Accepted: 08/14/2022] [Indexed: 06/23/2023] Open
Abstract
Alopecia areata is a systemic disease with nonscarring hair loss from the scalp, face, or any part of the body. The disease with undetermined etiology and pathogenesis has a considerable impact on the social life of patients which gradually builds up stress and expedites further deterioration of their condition. Interestingly, in such patients, besides stress-relieving exercises and immunomodulators, well-timed dental assessment and prompt treatment have contributed to improving the prognosis of alopecia. This depicts an interrelationship between alopecia and oral foci of infections. Over the past few decades, periodontitis has remained to be one of the predominant forms of oral focus of infection for systemic diseases. The present review throws light on the role of stress and autoimmunity in establishing a possible correlation between alopecia and periodontitis. It is augmented with documented case reports, demanding a complete oral examination in patients with the unexplained origin of alopecia. An interdisciplinary approach is the need of the hour which can prevent the progression of both the diseases as well as other oral infections.
Collapse
Affiliation(s)
- Jaya Agrawal
- Department of Periodontology, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Nand Lal
- Department of Periodontology, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Rameshwari Singhal
- Department of Periodontology, Faculty of Dental Sciences, King George's Medical University, Lucknow, Uttar Pradesh, India
| |
Collapse
|
17
|
Singhatanadgit W, Olsen I, Young A. ICAM-1-mediated osteoblast-T lymphocyte direct interaction increases mineralization through TGF-β1 suppression. J Cell Physiol 2023; 238:420-433. [PMID: 36602898 DOI: 10.1002/jcp.30939] [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: 08/08/2022] [Revised: 11/30/2022] [Accepted: 12/20/2022] [Indexed: 01/06/2023]
Abstract
Modulation of osteoblast functions by T lymphocytes is important in inflammation-associated mineralized tissue diseases. The study aimed to determine whether direct interaction between these two cell types affects osteoblast functions and mineralization. The results showed that direct contact between the two cell types was evident by scanning electron microscopy and transmission electron microscopy. Under osteogenic induction, higher hydroxyapatite precipitation was observed in cocultures with direct contact with T lymphocytes compared with that by osteoblasts cultured alone. Cocultures without direct cell contact caused a decrease in mineralization. Direct cell contact also upregulated intercellular adhesion molecule (ICAM)-1 and simultaneously downregulated transforming growth factor (TGF)-β1 in osteoblasts. However, the downregulation of TGF-β1 was reversed by ICAM-1 blocking. Exogenously added TGF-β1 in cocultures with direct cell contact suppressed mineralization. In conclusion, studies are consistent with ICAM-1-mediated direct contact between osteoblasts and T lymphocytes increasing mineralization via downregulation of TGF-β1 in osteoblasts in vitro. This suggests a possible unexpected, but crucial, role of T lymphocytes in enhancing matrix mineralization during the repair process in vivo. The study identifies ICAM-1/TGF-β1 as possible novel therapeutic targets for the treatment and prevention of inflammation-associated mineralized tissue diseases.
Collapse
Affiliation(s)
- Weerachai Singhatanadgit
- Research Unit in Mineralized Tissue Reconstruction and Faculty of Dentistry, Thammasat University, Khlong Luang, Pathum Thani, Thailand
| | - Irwin Olsen
- Division of Biomaterials & Tissue Engineering, UCL Eastman Dental Institute, Royal Free Hospital, London, UK
| | - Anne Young
- Division of Biomaterials & Tissue Engineering, UCL Eastman Dental Institute, Royal Free Hospital, London, UK
| |
Collapse
|
18
|
Al Bayaty FH, Mahmod SA, Jamil Al-Obaidi MM, Emad Ibrahim O, Dahir A, Adam FA, Albandar JM. Effect of osteoarthritis on alveolar bone loss in experimental periodontitis in rats. J Periodontal Res 2023; 58:22-28. [PMID: 36321414 DOI: 10.1111/jre.13064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/30/2022] [Accepted: 10/07/2022] [Indexed: 01/17/2023]
Abstract
BACKGROUND There is scarce information about the relationship between periodontal disease and osteoarthritis. This study investigated the effect of surgically induced osteoarthritis on alveolar bone loss in experimental periodontitis in rats. METHODS 12 rats were divided into test and control groups. On day 1, the animals were anaesthetized, and silk ligatures were ligated around 6 maxillary posterior teeth in each animal from both groups. Surgical induction of osteoarthritis was performed on the left knees in the test group. No knee surgeries were performed in the control group. The ligatures were kept in place for 30 days, at which time the animals were euthanatized, and the maxillae and knee joints were harvested and processed for histological analysis. The alveolar bone loss was assessed using a zoom stereomicroscope. RESULTS The knee joint histologic sections of the control group showed normal joint features, whereas in the test group there were substantial changes typical of osteoarthritis, including wide joint spaces, prominent monocytic infiltration of the synovium, invasion of periarticular bone, and decreased chondrocyte density. Comparison of the bone height between the groups showed a significantly higher bone loss in the test than in the control group The marginal mean bone height, adjusted for covariates and the intraclass correlation between sites, was 1.19 and 0.78 mm in the test and control groups, respectively (p < .0001). CONCLUSIONS Surgically induced osteoarthritis leads to greater alveolar bone loss in the experimental periodontitis model in rats.
Collapse
Affiliation(s)
- Fouad H Al Bayaty
- Center for Periodontology Studies, Faculty of Dentistry, Universiti Teknologi MARA, Campus Sg Buloh, Jalan Hospital, Sungai Buloh, Malaysia
| | - Suhaeb A Mahmod
- Hospital Gleaneagles Medini Johor Bahru, Iskandar Puteri, Malaysia
| | | | - Omar Emad Ibrahim
- Pathology Department, International Medical School (IMS), Management & Science University (MSU), Shah Alam, Malaysia
| | - Akil Dahir
- International Medical University, Federal Territory of Kuala Lumpur, Malaysia
| | - Fara Azwin Adam
- Center for Periodontology Studies, Faculty of Dentistry, Universiti Teknologi MARA, Campus Sg Buloh, Jalan Hospital, Sungai Buloh, Malaysia
| | - Jasim M Albandar
- Department of Periodontology and Oral Implantology, Temple University School of Dentistry, Philadelphia, Pennsylvania, USA
| |
Collapse
|
19
|
Ciaston I, Dobosz E, Potempa J, Koziel J. The subversion of toll-like receptor signaling by bacterial and viral proteases during the development of infectious diseases. Mol Aspects Med 2022; 88:101143. [PMID: 36152458 PMCID: PMC9924004 DOI: 10.1016/j.mam.2022.101143] [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] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/29/2022] [Accepted: 09/09/2022] [Indexed: 02/05/2023]
Abstract
Toll-like receptors (TLRs) are pattern recognition receptors (PRRs) that respond to pathogen-associated molecular patterns (PAMPs). The recognition of specific microbial ligands by TLRs triggers an innate immune response and also promotes adaptive immunity, which is necessary for the efficient elimination of invading pathogens. Successful pathogens have therefore evolved strategies to subvert and/or manipulate TLR signaling. Both the impairment and uncontrolled activation of TLR signaling can harm the host, causing tissue destruction and allowing pathogens to proliferate, thus favoring disease progression. In this context, microbial proteases are key virulence factors that modify components of the TLR signaling pathway. In this review, we discuss the role of bacterial and viral proteases in the manipulation of TLR signaling, highlighting the importance of these enzymes during the development of infectious diseases.
Collapse
Affiliation(s)
- Izabela Ciaston
- Department of Microbiology Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Ewelina Dobosz
- Department of Microbiology Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Jan Potempa
- Department of Microbiology Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland; Department of Oral Health and Systemic Disease, University of Louisville School of Dentistry, University of Louisville, Louisville, KY, USA.
| | - Joanna Koziel
- Department of Microbiology Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.
| |
Collapse
|
20
|
Lobognon VD, Alard JE. Could AMPs and B-cells be the missing link in understanding periodontitis? Front Immunol 2022; 13:887147. [PMID: 36211356 PMCID: PMC9532695 DOI: 10.3389/fimmu.2022.887147] [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: 03/02/2022] [Accepted: 08/01/2022] [Indexed: 12/29/2022] Open
Abstract
Periodontal diseases are common inflammatory conditions characterized by bone loss in response to simultaneous bacterial aggression and host defenses. The etiology of such diseases is still not completely understood, however. It has been shown that specific pathogens involved in the build-up of dysbiotic biofilms participate actively in the establishment of periodontitis. This multifactorial pathology also depends on environmental factors and host characteristics, especially defenses. The immune response to the pathogens seems to be critical in preventing the disease from starting but also contributes to tissue damage. It is known that small molecules known as antimicrobial peptides (AMPs) are key actors in the innate immune response. They not only target microbes, but also act as immuno-modulators. They can help to recruit or activate cells such as neutrophils, monocytes, dendritic cells, or lymphocytes. AMPs have already been described in the periodontium, and their expression seems to be connected to disease activity. Alpha and beta defensins and LL37 are the AMPs most frequently linked to periodontitis. Additionally, leukocyte infiltrates, especially B-cells, have also been linked to the severity of periodontitis. Indeed, the particular subpopulations of B-cells in these infiltrates have been linked to inflammation and bone resorption. A link between B-cells and AMP could be relevant to understanding B-cells' action. Some AMP receptors, such as chemokines receptors, toll-like receptors, or purinergic receptors, have been shown to be expressed by B-cells. Consequently, the action of AMPs on B-cell subpopulations could participate to B-cell recruitment, their differentiation, and their implication in both periodontal defense and destruction.
Collapse
Affiliation(s)
- Vanessa Dominique Lobognon
- B lymphocytes, Autoimmunity and Immunotherapies (LBAI), Mixed Research Unit (UMR)1227 INSERM, University of Brest, Brest, France
| | - Jean-Eric Alard
- B lymphocytes, Autoimmunity and Immunotherapies (LBAI), Mixed Research Unit (UMR)1227 INSERM, University of Brest, Brest, France,Service d’Odontologie, University Hospital (CHU) de Brest, Brest, France,*Correspondence: Jean-Eric Alard,
| |
Collapse
|
21
|
Rani N, Singla RK, Narwal S, Tanushree, Kumar N, Rahman MM. Medicinal Plants Used as an Alternative to Treat Gingivitis and Periodontitis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:2327641. [PMID: 37941972 PMCID: PMC10630018 DOI: 10.1155/2022/2327641] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/14/2022] [Accepted: 08/20/2022] [Indexed: 11/10/2023]
Abstract
For various ailments, natural remedies have been traditionally used. To defend against common disorders, medicinal plants are progressively used as nutritional supplements. Gingivitis and periodontitis are widespread and can affect most of the world's population. Gingivitis is a very common, nondestructive inflammatory disease of gums that causes redness and irritation of the gingiva (gums), but periodontitis causes permanent damage to teeth' subsidiary structures. Herbal medicines are getting popular for the treatment of such types of disorders due to being economical with their medicinal effectiveness, compatibility, and nontoxicity. Traditional chemical therapies can cause cell toxicity along with their disease-curing effects. In this article, we discussed the medicinal plants that can be used as an alternative for the treatment of gingivitis (early-stage gum disease) and periodontitis (chronic-stage gum disease).
Collapse
Affiliation(s)
- Neeraj Rani
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani, HR, India
| | - Rajeev K. Singla
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, China
- iGlobal Research and Publishing Foundation, New Delhi, India
| | - Sonia Narwal
- Panipat Institute of Engineering and Technology, Pattikaliyana, Panipat, HR, India
| | - Tanushree
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani, HR, India
| | - Nitish Kumar
- Department of Pharmaceutical Sciences, Chaudhary Bansi Lal University, Bhiwani, HR, India
| | - Md. Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| |
Collapse
|
22
|
Okagu IU, Ezeorba TPC, Aguchem RN, Ohanenye IC, Aham EC, Okafor SN, Bollati C, Lammi C. A Review on the Molecular Mechanisms of Action of Natural Products in Preventing Bone Diseases. Int J Mol Sci 2022; 23:ijms23158468. [PMID: 35955603 PMCID: PMC9368769 DOI: 10.3390/ijms23158468] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/23/2022] [Accepted: 07/25/2022] [Indexed: 12/10/2022] Open
Abstract
The drugs used for treating bone diseases (BDs), at present, elicit hazardous side effects that include certain types of cancers and strokes, hence the ongoing quest for the discovery of alternatives with little or no side effects. Natural products (NPs), mainly of plant origin, have shown compelling promise in the treatments of BDs, with little or no side effects. However, the paucity in knowledge of the mechanisms behind their activities on bone remodeling has remained a hindrance to NPs’ adoption. This review discusses the pathological development of some BDs, the NP-targeted components, and the actions exerted on bone remodeling signaling pathways (e.g., Receptor Activator of Nuclear Factor κ B-ligand (RANKL)/monocyte/macrophage colony-stimulating factor (M-CSF)/osteoprotegerin (OPG), mitogen-activated protein kinase (MAPK)s/c-Jun N-terminal kinase (JNK)/nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), Kelch-like ECH-associated protein 1 (Keap-1)/nuclear factor erythroid 2–related factor 2 (Nrf2)/Heme Oxygenase-1 (HO-1), Bone Morphogenetic Protein 2 (BMP2)-Wnt/β-catenin, PhosphatidylInositol 3-Kinase (PI3K)/protein kinase B (Akt)/Glycogen Synthase Kinase 3 Beta (GSK3β), and other signaling pathways). Although majority of the studies on the osteoprotective properties of NPs against BDs were conducted ex vivo and mostly on animals, the use of NPs for treating human BDs and the prospects for future development remain promising.
Collapse
Affiliation(s)
- Innocent U. Okagu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka 410001, Nigeria; (I.U.O.); (T.P.C.E.); (R.N.A.); (E.C.A.)
| | - Timothy P. C. Ezeorba
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka 410001, Nigeria; (I.U.O.); (T.P.C.E.); (R.N.A.); (E.C.A.)
| | - Rita N. Aguchem
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka 410001, Nigeria; (I.U.O.); (T.P.C.E.); (R.N.A.); (E.C.A.)
| | - Ikenna C. Ohanenye
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada;
| | - Emmanuel C. Aham
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka 410001, Nigeria; (I.U.O.); (T.P.C.E.); (R.N.A.); (E.C.A.)
- Natural Science Unit, School of General Studies, University of Nigeria, Nsukka 410001, Nigeria
- School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sunday N. Okafor
- Department of Pharmaceutical and Medicinal Chemistry, University of Nigeria, Nsukka 410001, Nigeria;
| | - Carlotta Bollati
- Department of Pharmaceutical Sciences, University of Milan, via Mangiagalli 25, 20133 Milano, Italy;
| | - Carmen Lammi
- Department of Pharmaceutical Sciences, University of Milan, via Mangiagalli 25, 20133 Milano, Italy;
- Correspondence: ; Tel.: +39-02-5031-9372
| |
Collapse
|
23
|
Kim OS, Park KJ, Jin HM, Cho YN, Kim YS, Kwon SH, Koh JT, Ju JK, Kee SJ, Park YW. Activation and increased production of interleukin-17 and tumour necrosis factor-α of mucosal-associated invariant T cells in patients with periodontitis. J Clin Periodontol 2022; 49:706-716. [PMID: 35569027 DOI: 10.1111/jcpe.13648] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 04/08/2022] [Accepted: 05/10/2022] [Indexed: 12/28/2022]
Abstract
AIM Mucosal-associated invariant T (MAIT) cells are known to be resident in oral mucosal tissue, but their roles in periodontitis are unknown. This study aimed to examine the level and function of MAIT cells in periodontitis patients. MATERIALS AND METHODS Frequency, activation, and function of MAIT cells from 28 periodontitis patients and 28 healthy controls (HCs) were measured by flow cytometry. RESULTS Circulating MAIT cells were numerically reduced in periodontitis patients. Moreover, they exhibited higher expression of CD69 and annexin V, together with more increased production of interleukin (IL)-17 and tumour necrosis factor (TNF)-α, in periodontitis patients than in HCs. Interestingly, periodontitis patients had higher frequencies of MAIT cells in gingival tissue than in peripheral blood. In addition, circulating MAIT cells had elevated expression of tissue-homing chemokine receptors such as CCR6 and CXCR6, and the corresponding chemokines (i.e., CCL20 and CXCL16) were more strongly expressed in inflamed gingiva than in healthy gingiva. CONCLUSIONS This study demonstrates that circulating MAIT cells are numerically deficient with an activated profile toward the production of IL-17 and TNF-α in periodontitis patients. Furthermore, circulating MAIT cells have the potential to migrate to inflamed gingival tissues.
Collapse
Affiliation(s)
- Ok-Su Kim
- Department of Periodontology, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea.,Hard-Tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Ki-Jeong Park
- Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Hye-Mi Jin
- Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Young-Nan Cho
- Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Ye Seul Kim
- Department of Periodontology, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Seung-Hee Kwon
- Hard-Tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea.,Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Jeong-Tae Koh
- Hard-Tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea.,Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Jae Kyun Ju
- Department of Surgery, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Seung-Jung Kee
- Department of Laboratory Medicine, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| | - Yong-Wook Park
- Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
| |
Collapse
|
24
|
Systemic Dietary Hesperidin Modulation of Osteoclastogenesis, Bone Homeostasis and Periodontal Disease in Mice. Int J Mol Sci 2022; 23:ijms23137100. [PMID: 35806105 PMCID: PMC9266620 DOI: 10.3390/ijms23137100] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022] Open
Abstract
This study aimed to evaluate the effects of hesperidin (HE) on in vitro osteoclastogenesis and dietary supplementation on mouse periodontal disease and femoral bone phenotype. RAW 264.7 cells were stimulated with RANKL in the presence or absence of HE (1, 100 or 500 µM) for 5 days, and evaluated by TRAP, TUNEL and Western Blot (WB) analyses. In vivo, C57BL/6 mice were given HE via oral gavage (125, 250 and 500 mg/kg) for 4 weeks. A sterile silk ligature was placed between the first and second right maxillary molars for 10 days and microcomputed tomography (μCT), histopathological and immunohistochemical evaluation were performed. Femoral bones subjected or not to dietary HE (500 mg/kg) for 6 and 12 weeks were evaluated using μCT. In vitro, HE 500 µM reduced formation of RANKL-stimulated TRAP-positive(+) multinucleated cells (500 µM) as well as c-Fos and NFATc1 protein expression (p < 0.05), markers of osteoclasts. In vivo, dietary HE 500 mg/kg increased the alveolar bone resorption in ligated teeth (p < 0.05) and resulted in a significant increase in TRAP+ cells (p < 0.05). Gingival inflammatory infiltrate was greater in the HE 500 mg/kg group even in the absence of ligature. In femurs, HE 500 mg/kg protected trabecular and cortical bone mass at 6 weeks of treatment. In conclusion, HE impaired in vitro osteoclastogenesis, but on the contrary, oral administration of a high concentration of dietary HE increased osteoclast numbers and promoted inflammation-induced alveolar bone loss. However, HE at 500 mg/kg can promote a bone-sparing effect on skeletal bone under physiological conditions.
Collapse
|
25
|
Demkovych A, Rubas L, Luchynskyi V, Luchynska Y, Stoikevych H, Machogan V. Changes of ultrastructural organization in periodontal complex components in experimental periodontitis and its correction with quercetin. PHARMACIA 2022. [DOI: 10.3897/pharmacia.69.e82128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The article presents the results of study the changes of ultrastructural organization in the periodontal complex under conditions of experimental bacterial-immune periodontitis development and treatment effect of flavonol quercetin. Experimental bacterial-immune periodontitis in experimental animals was caused by injection of complex mixture of microorganisms diluted with egg protein into periodontal tissue. The evaluation of the ultrastructural character changes in the gingival area of the periodontal complex was carried out on the basis of electron microscopic examination. In a result study on the 7th day of the experiment were observed changes that manifested disorders of the connective tissue and vessels structure. It were also marked increased diffusive leukocytic infiltration of the connective tissue of the mucosal gingival lamina propria. There was some improvement in respect of the electron microscopic structure of the microcirculatory vessels on the 14th and 30th days of the experiment. The performed studies of hemocapillaries submicroscopic organization of the animal’s gums mucous membrane in conditions of application quercetin for experimental periodontitis has shown that flavonol improved structural organization considerably. The use of quercetin improves the organization of all ultrastructured components of the periodontal complex in experimental periodontitis.
Collapse
|
26
|
Ishii T, Ruiz-Torruella M, Yamamoto K, Yamaguchi T, Heidari A, Pierrelus R, Leon E, Shindo S, Rawas-Qalaji M, Pastore MR, Ikeda A, Nakamura S, Mawardi H, Kandalam U, Hardigan P, Witek L, Coelho PG, Kawai T. Locally Secreted Semaphorin 4D Is Engaged in Both Pathogenic Bone Resorption and Retarded Bone Regeneration in a Ligature-Induced Mouse Model of Periodontitis. Int J Mol Sci 2022; 23:ijms23105630. [PMID: 35628440 PMCID: PMC9148012 DOI: 10.3390/ijms23105630] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 02/04/2023] Open
Abstract
It is well known that Semaphorin 4D (Sema4D) inhibits IGF-1-mediated osteogenesis by binding with PlexinB1 expressed on osteoblasts. However, its elevated level in the gingival crevice fluid of periodontitis patients and the broader scope of its activities in the context of potential upregulation of osteoclast-mediated periodontal bone-resorption suggest the need for further investigation of this multifaceted molecule. In short, the pathophysiological role of Sema4D in periodontitis requires further study. Accordingly, attachment of the ligature to the maxillary molar of mice for 7 days induced alveolar bone-resorption accompanied by locally elevated, soluble Sema4D (sSema4D), TNF-α and RANKL. Removal of the ligature induced spontaneous bone regeneration during the following 14 days, which was significantly promoted by anti-Sema4D-mAb administration. Anti-Sema4D-mAb was also suppressed in vitro osteoclastogenesis and pit formation by RANKL-stimulated BMMCs. While anti-Sema4D-mAb downmodulated the bone-resorption induced in mouse periodontitis, it neither affected local production of TNF-α and RANKL nor systemic skeletal bone remodeling. RANKL-induced osteoclastogenesis and resorptive activity were also suppressed by blocking of CD72, but not Plexin B2, suggesting that sSema4D released by osteoclasts promotes osteoclastogenesis via ligation to CD72 receptor. Overall, our data indicated that ssSema4D released by osteoclasts may play a dual function by decreasing bone formation, while upregulating bone-resorption.
Collapse
Affiliation(s)
- Takenobu Ishii
- Department of Orthodontics, Tokyo Dental College, Tokyo 101-0061, Japan;
| | | | - Kenta Yamamoto
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan;
| | - Tsuguno Yamaguchi
- Research and Development, LION Corporation, Odawara 256-0811, Japan;
| | - Alireza Heidari
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Roodelyne Pierrelus
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Elizabeth Leon
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Satoru Shindo
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Mohamad Rawas-Qalaji
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Maria Rita Pastore
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Atsushi Ikeda
- Department of Periodontics and Endodontics, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan;
| | - Shin Nakamura
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
| | - Hani Mawardi
- Department of Oral Diagnostic Sciences, Faculty of Dentistry, King Abdul-Aziz University, Jeddah 21589, Saudi Arabia;
| | - Umadevi Kandalam
- Woody L. Hunt School of Dental Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX 79905, USA;
| | - Patrick Hardigan
- Patel College of Allopathic Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA;
| | - Lukasz Witek
- Division of Biomaterials, NYU College of Dentistry, New York, NY 10010, USA; (L.W.); (P.G.C.)
| | - Paulo G. Coelho
- Division of Biomaterials, NYU College of Dentistry, New York, NY 10010, USA; (L.W.); (P.G.C.)
| | - Toshihisa Kawai
- Department of Oral Science and Translational Research, College of Dental Medicine, Nova Southeastern University, 3200 South University Drive, Davie, Fort Lauderdale, FL 33328, USA; (A.H.); (R.P.); (E.L.); (S.S.); (M.R.-Q.); (M.R.P.); (S.N.)
- Cell Therapy Institute, Center for Collaborative Research, Nova Southeastern University, 3200 South University Drive, Fort Lauderdale, FL 33328, USA
- Correspondence: ; Tel.: +1-954-262-1282
| |
Collapse
|
27
|
Acute Myocardial Infarction and Periodontitis: Importance of Awareness and Prevention in Latin America. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12063131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
By 2030, non-communicable diseases will have accounted for more than three-quarters of deaths worldwide. Cardiovascular diseases (CVDs) have been the leading cause of death worldwide for several years. Acute myocardial infarction (AMI) is a CVD characterized by necrosis of the heart at the myocardial level due to prolonged ischemia caused by the reduction or sudden absence of coronary blood supply. The prevalence of AMI is higher in men at all ages. The incidence of AMI has decreased in industrialized nations; however, it has been on the rise in Latin America (LATAM) due to lifestyle changes. These changes have caused the combined incidence of CVDs and unresolved health concerns in LATAM, such as infections and malnutrition. It is well known that periodontitis, a highly prevalent chronic infectious inflammatory disease, has been associated with systemic diseases, such as diabetes, kidney diseases, and AMI. This review addresses proposed aspects of the correlation between periodontitis and AMI, explains the importance of preventing periodontitis and CVDs, and analyzes the preventative measures being implemented in LATAM, particularly in Mexico.
Collapse
|
28
|
Yin KJ, Huang JX, Wang P, Yang XK, Tao SS, Li HM, Ni J, Pan HF. No Genetic Causal Association Between Periodontitis and Arthritis: A Bidirectional Two-Sample Mendelian Randomization Analysis. Front Immunol 2022; 13:808832. [PMID: 35154127 PMCID: PMC8825874 DOI: 10.3389/fimmu.2022.808832] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/04/2022] [Indexed: 11/25/2022] Open
Abstract
Objectives Periodontitis (PD) has been linked to arthritis in previous epidemiological observational studies; however, the results are inconclusive. It remains unclear whether the association between PD and arthritis is causal. The purpose of this study was to investigate the causal association of PD with arthritis, including rheumatoid arthritis (RA) and osteoarthritis (OA). Methods We performed a two-sample bidirectional Mendelian randomization (MR) analysis using publicly released genome-wide association studies (GWAS) statistics. The inverse-variance weighted (IVW) method was used as the primary analysis. We applied four complementary methods, including weighted median, weighted mode, MR-Egger regression and MR pleiotropy residual sum and outlier (MR-PRESSO) to detect and correct for the effect of horizontal pleiotropy. Results Genetically determined PD did not have a causal effect on OA (OR = 1.06, 95% CI: 0.99-1.15, P = 0.09) and RA (OR = 0.99, 95% CI: 0.87-1.13, P = 0.89). Furthermore, we did not find a significant causal effect of arthritis on PD in the reverse MR analysis. The results of MR-Egger regression, Weighted Median, and Weighted Mode methods were consistent with those of the IVW method. Horizontal pleiotropy was unlikely to distort the causal estimates according to the sensitivity analysis. Conclusions Our MR analysis reveals non-causal association of PD with arthritis, despite observational studies reporting an association between PD and arthritis.
Collapse
Affiliation(s)
- Kang-Jia Yin
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Ji-Xiang Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Peng Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Xiao-Ke Yang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sha-Sha Tao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Hong-Miao Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Jing Ni
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| |
Collapse
|
29
|
Blaudez F, Ivanovski S, Fournier B, Vaquette C. The utilisation of resolvins in medicine and tissue engineering. Acta Biomater 2022; 140:116-135. [PMID: 34875358 DOI: 10.1016/j.actbio.2021.11.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/19/2022]
Abstract
Recent advances in the field of regenerative medicine and biomaterial science have highlighted the importance of controlling immune cell phenotypes at the biomaterial interface. These studies have clearly indicated that a rapid resolution of the inflammatory process, mediated by a switch in the macrophage population towards a reparative phenotype, is essential for tissue regeneration to occur. While various biomaterial surfaces have been developed in order to impart immunomodulatory properties to the resulting constructs, an alternative strategy involving the use of reparative biological cues, known as resolvins, is emerging in regenerative medicine. This review reports on the mechanisms via which resolvins participate in the resolution of inflammation and describes their current utilisation in pre-clinical and clinical settings, along with their effectiveness when combined with biomaterial constructs in tissue engineering applications. STATEMENT OF SIGNIFICANCE: The resolution of the inflammatory process is necessary for achieving tissue healing and regeneration. Resolvins are lipid mediators and play a key role in the resolution of the inflammatory response and can be used in as biological cues to promote tissue regeneration. This review describes the various biological inflammatory mechanisms and pathways involving resolvins and how their action results in a pro-healing response. The use of these molecules in the clinical setting is then summarised for various applications along with their limitations. Lastly, the review focuses on the emergence resolvins in tissue engineering products including the use of a more stable form which holds greater prospect for regenerative purposes.
Collapse
Affiliation(s)
- Fanny Blaudez
- School of Dentistry and Oral Health, Griffith University, Parklands Dr, Southport QLD 4222, Australia; The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Saso Ivanovski
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia
| | - Benjamin Fournier
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia; Université de Paris, Dental Faculty Garanciere, Oral Biology Department, Centre of Reference for Oral Rare Diseases, 5 rue Garanciere, Paris, 75006, France; Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, INSERM UMRS 1138, Molecular Oral Pathophysiology, 15-21 rue de l'école de médecine, 75006 Paris, France
| | - Cedryck Vaquette
- The University of Queensland, School of Dentistry, 288 Herston Rd, Herston QLD 4006, Australia.
| |
Collapse
|
30
|
Zarubova J, Hasani‐Sadrabadi MM, Dashtimoghadam E, Zhang X, Ansari S, Li S, Moshaverinia A. Engineered Delivery of Dental Stem-Cell-Derived Extracellular Vesicles for Periodontal Tissue Regeneration. Adv Healthc Mater 2022; 11:e2102593. [PMID: 35191610 DOI: 10.1002/adhm.202102593] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/31/2022] [Indexed: 11/05/2022]
Abstract
Periodontal disease begins as an inflammatory response to a bacterial biofilm deposited around the teeth, which over time leads to the destruction of tooth-supporting structures and consequently tooth loss. Conventional treatment strategies show limited efficacy in promoting regeneration of damaged periodontal tissues. Here, a delivery platform is developed for small extracellular vesicles (sEVs) derived from gingival mesenchymal stem cells (GMSCs) to treat periodontitis. EVs can achieve comparable therapeutic effects to their cells of origin. However, the short half-lives of EVs after their administration along with their rapid diffusion away from the delivery site necessitate frequent administration to achieve therapeutic benefits. To address these issues, "dual delivery" microparticles are engineered enabling microenvironment-sensitive release of EVs by metalloproteinases at the affected site along with antibiotics to suppress bacterial biofilm growth. GMSC sEVs are able to decrease the secretion of pro-inflammatory cytokines by monocytes/macrophages and T cells, suppress T-cell activation, and induce the formation of T regulatory cells (Tregs) in vitro and in a rat model of periodontal disease. One-time administration of immunomodulatory GMSC sEV-decorated microparticles leads to a significant improvement in regeneration of the damaged periodontal tissue. This approach will have potential clinical applications in the regeneration of a variety of tissues.
Collapse
Affiliation(s)
- Jana Zarubova
- Department of Bioengineering University of California 420 Westwood Plaza, 5121 Engineering V Los Angeles CA 90095‐1600 USA
- Department of Biomaterials and Tissue Engineering Institute of Physiology of the Czech Academy of Sciences Prague 14220 Czech Republic
| | | | - Erfan Dashtimoghadam
- Department of Chemistry University of North Carolina at Chapel Hill Chapel Hill NC 27599‐3290 USA
| | - Xuexiang Zhang
- Department of Bioengineering University of California 420 Westwood Plaza, 5121 Engineering V Los Angeles CA 90095‐1600 USA
| | - Sahar Ansari
- Weintraub Center for Reconstructive Biotechnology Division of Advanced Prosthodontics School of Dentistry University of California Los Angeles CA 90095 USA
| | - Song Li
- Department of Bioengineering University of California 420 Westwood Plaza, 5121 Engineering V Los Angeles CA 90095‐1600 USA
| | - Alireza Moshaverinia
- Weintraub Center for Reconstructive Biotechnology Division of Advanced Prosthodontics School of Dentistry University of California Los Angeles CA 90095 USA
| |
Collapse
|
31
|
Min HJ, Park JS, Yang J, Yang J, Oh SW, Jo SK, Cho WY, Gwon JG, Jung CW, Seol YJ, Park SY, Kim MG. The effect of periodontitis on recipient outcomes after kidney transplantation. Kidney Res Clin Pract 2022; 41:114-123. [PMID: 35108770 PMCID: PMC8816407 DOI: 10.23876/j.krcp.21.097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/02/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Recent several reports have demonstrated that periodontitis is prevalent and adversely affects the survival in patients with chronic kidney disease (CKD) or end-stage kidney disease. However, its impact on transplant outcomes remains uncertain.Methods: This retrospective cohort study included 136 and 167 patients, respectively, who underwent living donor kidney transplantation (KT) at Seoul National University Hospital from July 2012 to August 2016 and Korea University Hospital from April 2008 to October 2018. We divided patients into three groups according to stages of periodontitis based on a new classification system. Results: Patients with severe periodontitis were older, had a higher prevalence of diabetes, a higher body mass index and C-reactive protein level, a lower cardiac output, and were more likely to be smokers, indicating its association with chronic systemic inflammation. After KT, stage IV periodontitis was independently associated with a lower incidence of acute T cell-mediated rejection, suggesting the possible effect of periodontitis on immune function. However, 1-year and 3-year estimated glomerular filtration rates were not different. Among the KT recipients followed up more than 3 years, new-onset cardiovascular disease occurred in nine patients, and coronary artery disease occurred more frequently in patients with stage IV periodontitis. However, diabetes was the independent predictor of new-onset coronary artery disease in multivariate logistic regression analysis.Conclusion: Our findings showed that periodontitis might be an important player in determining posttransplant outcomes in recipients. Further interventional trials to test whether treating periodontitis could modify transplant outcome are needed.
Collapse
Affiliation(s)
- Hyeon-Jin Min
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Jung-Soo Park
- Department of Periodontology, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Jaeseok Yang
- Transplantation Center, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jihyun Yang
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Se Won Oh
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Sang-Kyung Jo
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Won Yong Cho
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Jun Gyo Gwon
- Department of Surgery, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Cheol Woong Jung
- Department of Surgery, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Yang-Jo Seol
- Department of Periodontology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Shin-Young Park
- Department of Dentistry, Seoul National Dental Hospital, Seoul, Republic of Korea
- Shin-Young Park Department of Dentistry, Seoul National Dental Hospital, 101 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea. E-mail:
| | - Myung-Gyu Kim
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
- Correspondence: Myung-Gyu Kim Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, 73 Goryeodae-ro, Seongbuk-gu, Seoul 02841, Republic of Korea. E-mail:
| |
Collapse
|
32
|
ArefNezhad R, Motedayyen H, Roghani-Shahraki H. Do cytokines associate periodontitis with metabolic disorders? An overview of current documents. Endocr Metab Immune Disord Drug Targets 2022; 22:778-786. [PMID: 35043774 DOI: 10.2174/1871530322666220119112026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/28/2021] [Accepted: 11/26/2021] [Indexed: 11/22/2022]
Abstract
Periodontitis is an oral chronic inflammatory condition affecting the adult population worldwide. Many microorganisms act as an initiator for induction of inflammatory immune responses, which participate in the destruction of connective tissue surrounding the teeth and thereby result in tooth loss. Cytokines may have indispensable roles in its pathogenesis through enhancing inflammatory and immune responses. Cytokines can affect functions of some cells of different tissues, such as the cells of the pancreas, liver, and adipose tissues. There is evidence that periodontitis is associated with metabolic disorders, like liver cirrhosis, obesity, and diabetes mellitus. Hence, this review was focused on determining how cytokines can participate in the correlation of periodontitis with metabolic disorders.
Collapse
Affiliation(s)
- Reza ArefNezhad
- Halal Research Center of IRI, FDA, Tehran, Iran
- Department of Anatomy, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Motedayyen
- Autoimmune Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | | |
Collapse
|
33
|
Agossa K, Dubar M, Lemaire G, Blaizot A, Catteau C, Bocquet E, Nawrocki L, Boyer E, Meuric V, Siepmann F. Effect of Lactobacillus reuteri on Gingival Inflammation and Composition of the Oral Microbiota in Patients Undergoing Treatment with Fixed Orthodontic Appliances: Study Protocol of a Randomized Control Trial. Pathogens 2022; 11:112. [PMID: 35215057 PMCID: PMC8878988 DOI: 10.3390/pathogens11020112] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/08/2022] [Accepted: 01/14/2022] [Indexed: 12/12/2022] Open
Abstract
The effect of probiotics in improving or maintaining oral health in orthodontic patients is understudied. The aim of this study is to evaluate the effect of probiotic administration in addition to tooth brushing on clinical gingival inflammation, plaque formation, subgingival microbiota composition, and salivary biomarkers of inflammation in adolescents with fixed orthodontic appliances. The present study is a 6-month, double-blind, two-arm, placebo-controlled, single-center trial, in which 116 adolescent volunteers aged 12-16 years will be recruited from the patients of the orthodontics clinic of the University Hospital of Lille, France. Subjects who meet the eligibility criteria will be allocated to one of the following groups: (i) control: two placebo lozenges per day for 90 days together with regular oral hygiene, (ii) test: two probiotic lozenges per day for 90 days together with regular oral hygiene. Clinical assessment and biological sample collection will be performed at baseline, 3 and 6 months. In addition, compliance outcomes and adverse events will be monitored.
Collapse
Affiliation(s)
- Kevimy Agossa
- Univ. Lille, Inserm, CHU Lille, U1008—Controlled Drug Delivery Systems and Biomaterials, F-59000 Lille, France;
- Department of Periodontology, School of Dentistry, University of Lille, Place de Verdun, F-59000 Lille, France; (M.D.); (G.L.)
| | - Marie Dubar
- Department of Periodontology, School of Dentistry, University of Lille, Place de Verdun, F-59000 Lille, France; (M.D.); (G.L.)
- Univ. Lille, Inserm, CHU Lille, UMR-S 1172, F-59000 Lille, France
| | - Grégoire Lemaire
- Department of Periodontology, School of Dentistry, University of Lille, Place de Verdun, F-59000 Lille, France; (M.D.); (G.L.)
| | - Alessandra Blaizot
- Department of Dental Public Health, School of Dentistry, CHU Lille, Univ. Lille, F-59000 Lille, France; (A.B.); (C.C.)
| | - Céline Catteau
- Department of Dental Public Health, School of Dentistry, CHU Lille, Univ. Lille, F-59000 Lille, France; (A.B.); (C.C.)
| | - Emmanuël Bocquet
- Department of Orthodontics, School of Dentistry, CHU Lille, Univ. Lille, F-59037 Lille, France;
| | - Laurent Nawrocki
- Department of Oral Surgery, School of Dentistry, CHU Lille, Univ. Lille, F-59037 Lille, France;
| | - Emile Boyer
- INSERM, INRAE, Université de Rennes 1, CHU de Rennes, Nutrition Metabolisms and Cancer, F-35000 Rennes, France; (E.B.); (V.M.)
- Teaching Hospital Pontchaillou, 2 rue Henri le Guilloux, F-35033 Rennes, France
| | - Vincent Meuric
- INSERM, INRAE, Université de Rennes 1, CHU de Rennes, Nutrition Metabolisms and Cancer, F-35000 Rennes, France; (E.B.); (V.M.)
- Teaching Hospital Pontchaillou, 2 rue Henri le Guilloux, F-35033 Rennes, France
| | - Florence Siepmann
- Univ. Lille, Inserm, CHU Lille, U1008—Controlled Drug Delivery Systems and Biomaterials, F-59000 Lille, France;
| |
Collapse
|
34
|
Arsic Z, Jovanovic R, Djordjevic A, Sehalic M, Marjanovic D, Mikic M, Vlahovic Z, Mladenovic R. Clinical and microbiological effects of photodynamic therapy applied in non-surgical treatment of periodontitis. VOJNOSANIT PREGL 2022. [DOI: 10.2298/vsp200304060a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Background/Aim. Treatment of periodontitis undergoes several treatment phases. Non-surgical periodontal treatment (NSPT) represents the basic treatment stage, and it is applied to all the patients undergoing periodontal treatment. Adjunctive antimicrobial photodynamic therapy (aPDT) is one of several contemporary and relatively new possibilities with a role to inactivate microorganisms responsible for the occurrence and progression of the disease. The aim of this study was to comparatively analyze the clinical and microbiological effects of the NSPT alone, as well as combined with aPDT. Methods. A split-mouth method design was used in a prospective randomized controlled trial. The following clinical parameters were registered and monitored: plaque index (PI), bleeding on probing, probing depth (PD), and clinical attachment level (CAL). The presence of microorganisms Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, and Treponema denticola was detected by the polymerase chain reaction (PCR) method. Samples were tested before the therapy, as well as three months after the therapy. Therapeutic modalities of NSPT and NSPT with adjunct aPDT were examined. Results. All of the analyzed clinical parameters proved statistically significant improvement after the application of both treatment modalities (p < 0.001). Microbiological analyses showed that the total number of microorganisms was statistically significantly lower after the application of both methods (p < 0.001). Following the treatment, there was a statistically significantly reduced number of microorganisms Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, and Treponema denticola (p < 0.001). NSPT combined with aPDT led to a statistically significant improvement of both clinical parameters and microbiological status compared to NSPT applied on its own. Conclusion. The study showed improvement of all clinical indicators after the application of both treatment modalities. The total number of microorganisms was reduced as well as the number of specific microorganisms. Combining aPDT with NSPT led to a statistically significantly higher reduction in the number of microorganisms compared to NSPT alone.
Collapse
Affiliation(s)
- Zoran Arsic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Radovan Jovanovic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Aleksandar Djordjevic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Meliha Sehalic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Dragan Marjanovic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Mirko Mikic
- University of Montenegro, Faculty of Medicine, Department of Dentistry, Podgorica, Montenegro
| | - Zoran Vlahovic
- University of Priština/Kosovska Mitrovica, Faculty of Medical Sciences, Department of Dentistry, Kosovska Mitrovica, Serbia
| | - Rasa Mladenovic
- University of Kragujevac, Faculty of Medical Sciences, Department of Dentistry, Kragujevac, Serbia
| |
Collapse
|
35
|
Jajoo NS, Shelke AU, Bajaj RS, Devani V. Correction to: Periodontitis and Rheumatoid Arthritis: The Common Thread. Clin Rev Bone Miner Metab 2021. [DOI: 10.1007/s12018-021-09280-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
36
|
Yaseen A, Mahafzah A, Dababseh D, Taim D, Hamdan AA, Al-Fraihat E, Hassona Y, Şahin GÖ, Santi-Rocca J, Sallam M. Oral Colonization by Entamoeba gingivalis and Trichomonas tenax: A PCR-Based Study in Health, Gingivitis, and Periodontitis. Front Cell Infect Microbiol 2021; 11:782805. [PMID: 34950608 PMCID: PMC8688919 DOI: 10.3389/fcimb.2021.782805] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/22/2021] [Indexed: 12/13/2022] Open
Abstract
Background The etiology of periodontitis remains unclear, as is the place of gingivitis in its pathophysiology. A few studies linked the colonization by oral parasites (Entamoeba gingivalis and Trichomonas tenax) to periodontal disease and its severity. The aim of the current study was to estimate the prevalence of these oral parasites among healthy individuals, and in patients with gingivitis and periodontitis in Jordan. Methods The study was conducted during July 2019–December 2019. Samples were composed of saliva and periodontal material including dental plaque sampled with probes. The detection of oral parasites was done using conventional polymerase chain reaction (PCR). Results The total number of study participants was 237: healthy (n=94), gingivitis (n=53) and periodontitis (n=90). The prevalence of E. gingivalis was 88.9% among the periodontitis patients, 84.9% among the gingivitis patients and 47.9% in the healthy group. For T. tenax, the prevalence was 25.6% among the periodontitis patients, 5.7% among the gingivitis patients and 3.2% in the heathy group. Positivity for E. gingivalis was significantly correlated with the presence of periodontal disease compared to the healthy group with odds ratio (OR) of 6.6. Periodontal disease was also correlated with lower monthly income (OR=8.2), lack of dental care (OR=4.8), and history of diabetes mellitus (OR=4.5). Colonization by E. gingivalis was correlated with gingivitis (OR=6.1) compared to the healthy group. Colonization by E. gingivalis and T. tenax were significantly correlated with periodontitis (OR=6.4 for E. gingivalis, and OR=4.7, for T. tenax) compared to the healthy group. T. tenax was only detected among individuals with generalized periodontal disease compared to its total absence among those with localized disease (19.6% vs. 0.0%; p=0.039). The co-infection rate by the two oral parasites was 11.0%. Conclusions The higher prevalence of human oral parasites in periodontal disease compared to healthy individuals appears to be more than a mere marker for the disease and might also be associated with disease severity and potential for progression. Thus, the dogmatic view of E. gingivalis and T. tenax as commensals needs to be re-evaluated and their contribution to pathophysiology of periodontal diseases cannot be neglected.
Collapse
Affiliation(s)
- Alaa Yaseen
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
| | - Azmi Mahafzah
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
- Department of Clinical Laboratories and Forensic Medicine, Jordan University Hospital, Amman, Jordan
| | - Deema Dababseh
- School of Dentistry, The University of Jordan, Amman, Jordan
| | - Duaa Taim
- School of Dentistry, The University of Jordan, Amman, Jordan
| | - Ahmad A. Hamdan
- School of Dentistry, The University of Jordan, Amman, Jordan
- Department of Oral and Maxillofacial Surgery, Oral Medicine and Periodontology, Jordan University Hospital, Amman, Jordan
| | - Esraa Al-Fraihat
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
- Department of Clinical Laboratories and Forensic Medicine, Jordan University Hospital, Amman, Jordan
| | - Yazan Hassona
- School of Dentistry, The University of Jordan, Amman, Jordan
- Department of Oral and Maxillofacial Surgery, Oral Medicine and Periodontology, Jordan University Hospital, Amman, Jordan
| | - Gülşen Özkaya Şahin
- Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
- Department of Clinical Microbiology, Laboratory Medicine, Skåne University Hospital, Lund, Sweden
| | | | - Malik Sallam
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman, Jordan
- Department of Clinical Laboratories and Forensic Medicine, Jordan University Hospital, Amman, Jordan
- Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
- *Correspondence: Malik Sallam,
| |
Collapse
|
37
|
Li X, Huang Y, Han Y, Yang Q, Zheng Y, Li W. LncPVT1 regulates osteogenic differentiation of human periodontal ligament cells via miR-10a-5p/brain-derived neurotrophic factor. J Periodontol 2021; 93:1093-1106. [PMID: 34793611 DOI: 10.1002/jper.21-0429] [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: 07/21/2021] [Revised: 11/02/2021] [Accepted: 11/07/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND Identifying the factors affecting osteoblast differentiation ofperiodontal ligamentcells (PDLCs) can help enhance the regeneration of periodontal tissue.LncRNAplasmacytoma variant translocation 1 (lncPVT1) is an important regulatory factor involved in many biological processes, but its role in osteogenesisremains unclear. METHODS Expressionsof osteogenic markers were detected by quantitative reverse transcription polymerase chain reaction and Western blot analysis. Alkaline phosphatase staining was conducted for early osteoblast differentiation and alizarin red S staining was used for mineral deposition. RNA sequencing was used to identify the miRNAs regulated by lncPVT1 during osteogenesis. Cell transfection was used to overexpress or knockdown lncPVT1 and miR-10a-5p. Dual luciferase reporter assayswere conducted to analyze the binding of miR-10a-5p to brain-derived neurotrophic factor (BDNF). RESULTS LncPVT1 was significantly increased during osteogenic induction of PDLCs. Overexpression of lncPVT1 promoted osteogenesis, whereas lncPVT1 knockdown inhibited this process. RNA sequencing showed that miR-10a-5p expression was significantly increased after lncPVT1 knockdown.RNA immunoprecipitation assay further demonstrated the binding potential of lncPVT1 and miR-10a-5p. MiR-10a-5p inhibited the osteogenesis of PDLCs, and partially reversed the stimulatory effects of lncPVT1.Subsequently, we identified a predicted binding site for miR-10a-5p on BDNF and confirmed it using dual luciferase reporter assays. Moreover, lncPVT1 upregulated the expression of BDNF, while miR-10a-5p downregulated BDNF expression. BDNF promoted osteogenesis and partially rescued the si-lncPVT1-mediated inhibition of PDLCs osteogenic differentiation. CONCLUSION LncPVT1 positively regulated the osteogenic differentiation of PDLCs via miR-10a-5p and BDNF.Our resultsprovide a promising target for enhancing the osteogenic potential of PDLCs. This article is protected by copyright. All rights reserved.
Collapse
Affiliation(s)
- Xiaobei Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China
| | - Yiping Huang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China
| | - Yineng Han
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China
| | - Qiaolin Yang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China
| | - Yunfei Zheng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China
| | - Weiran Li
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, P.R. China.,National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, P.R. China
| |
Collapse
|
38
|
Influence of Gestational Hormones on the Bacteria-Induced Cytokine Response in Periodontitis. Mediators Inflamm 2021; 2021:5834608. [PMID: 34707462 PMCID: PMC8545568 DOI: 10.1155/2021/5834608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 02/07/2023] Open
Abstract
Periodontitis is an inflammatory disease that affects the supporting structures of teeth. The presence of a bacterial biofilm initiates a destructive inflammatory process orchestrated by various inflammatory mediators, most notably proinflammatory cytokines, which are upregulated in the gingival crevicular fluid, leading to the formation of periodontal pockets. This represents a well-characterized microbial change during the transition from periodontal health to periodontitis; interestingly, the gestational condition increases the risk and severity of periodontal disease. Although the influence of periodontitis on pregnancy has been extensively reviewed, the relationship between pregnancy and the development/evolution of periodontitis has been little studied compared to the effect of periodontitis on adverse pregnancy outcomes. This review is aimed at summarizing the findings on the pregnancy-proinflammatory cytokine relationship and discussing its possible involvement in the development of periodontitis. We address (1) an overview of periodontal disease, (2) the immune response and possible involvement of proinflammatory cytokines in the development of periodontitis, (3) how bone tissue remodelling takes place with an emphasis on the involvement of the inflammatory response and metalloproteinases during periodontitis, and (4) the influence of hormonal profile during pregnancy on the development of periodontitis. Finally, we believe this review may be helpful for designing immunotherapies based on the stage of pregnancy to control the severity and pathology of periodontal disease.
Collapse
|
39
|
Li Y, Li B, Liu Y, Wang H, He M, Liu Y, Sun Y, Meng W. Porphyromonas gingivalis lipopolysaccharide affects oral epithelial connections via pyroptosis. J Dent Sci 2021; 16:1255-1263. [PMID: 34484594 PMCID: PMC8403812 DOI: 10.1016/j.jds.2021.01.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/05/2021] [Indexed: 01/22/2023] Open
Abstract
Background/purpose Pyroptosis is a form of programmed cell death dependent on the activation of caspase-1. Porphyromonas gingivalis (P. gingivalis) is a major pathogenic bacterium in periodontitis and its lipopolysaccharide (LPS) can trigger inflammation. However, whether P. gingivalis-LPS affects epithelial connections or triggers pyroptosis in the gingival epithelium is unknown. Materials and methods Gingival samples from human donors were collected and the expression levels of E-cadherin, nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3), caspase-1/4/5, interleukin (IL)-18, and IL-1β were examined. P. gingivalis-LPS was injected into rat gingival sulcus to establish gingivitis models, and the expression levels of E-cadherin, NLRP3, caspase-1/11, IL-18, and IL-1β were compared via immunohistochemistry. The mRNA levels of E-cadherin, caspase-1, IL-18, and IL-1β were evaluated in oral mucosa epithelial cells (OMECs) and rat gingival tissues. Results In the present study, NLRP3 (p < 0.01), caspase-1 (p < 0.01), caspase-4 (p = 0.044), and IL-18 (p = 0.036) expression was greater in the human inflammatory gingival samples, whereas E-cadherin (p = 0.045) had the opposite presentation. Gingivitis models were successfully established in rats with the injection of P. gingivalis-LPS. NLRP3 (p = 0.015), caspase-1 (p < 0.01), caspase-11 (p < 0.01), and IL-18 (p = 0.041) were upregulated, whereas E-cadherin (p = 0.038) expression was decreased. Furthermore, E-cadherin mRNA was decreased while caspase-1, IL-18, and IL-1β mRNA levels were increased. The addition of a caspase-1 inhibitor reversed the expression changes. Conclusion P. gingivalis-LPS may effectively destroy the epithelial connection by triggering pyroptosis.
Collapse
Affiliation(s)
- Yuyang Li
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Baosheng Li
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Yujie Liu
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Haoyang Wang
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Mengxiao He
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Yanqun Liu
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China
| | - Yidan Sun
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, Jilin, China.,Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Weiyan Meng
- Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| |
Collapse
|
40
|
Ganther S, Radaic A, Malone E, Kamarajan P, Chang NYN, Tafolla C, Zhan L, Fenno JC, Kapila YL. Treponema denticola dentilisin triggered TLR2/MyD88 activation upregulates a tissue destructive program involving MMPs via Sp1 in human oral cells. PLoS Pathog 2021; 17:e1009311. [PMID: 34255809 PMCID: PMC8301614 DOI: 10.1371/journal.ppat.1009311] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 07/23/2021] [Accepted: 05/26/2021] [Indexed: 12/28/2022] Open
Abstract
Periodontal disease is driven by dysbiosis in the oral microbiome, resulting in over-representation of species that induce the release of pro-inflammatory cytokines, chemokines, and tissue-remodeling matrix metalloproteinases (MMPs) in the periodontium. These chronic tissue-destructive inflammatory responses result in gradual loss of tooth-supporting alveolar bone. The oral spirochete Treponema denticola, is consistently found at significantly elevated levels in periodontal lesions. Host-expressed Toll-Like Receptor 2 (TLR2) senses a variety of bacterial ligands, including acylated lipopolysaccharides and lipoproteins. T. denticola dentilisin, a surface-expressed protease complex comprised of three lipoproteins has been implicated as a virulence factor in periodontal disease, primarily due to its proteolytic activity. While the role of acylated bacterial components in induction of inflammation is well-studied, little attention has been given to the potential role of the acylated nature of dentilisin. The purpose of this study was to test the hypothesis that T. denticola dentilisin activates a TLR2-dependent mechanism, leading to upregulation of tissue-destructive genes in periodontal tissue. RNA-sequencing of periodontal ligament cells challenged with T. denticola bacteria revealed significant upregulation of genes associated with extracellular matrix organization and degradation including potentially tissue-specific inducible MMPs that may play novel roles in modulating host immune responses that have yet to be characterized within the context of oral disease. The Gram-negative oral commensal, Veillonella parvula, failed to upregulate these same MMPs. Dentilisin-induced upregulation of MMPs was mediated via TLR2 and MyD88 activation, since knockdown of expression of either abrogated these effects. Challenge with purified dentilisin upregulated the same MMPs while a dentilisin-deficient T. denticola mutant had no effect. Finally, T. denticola-mediated activation of TLR2/MyD88 lead to the nuclear translocation of the transcription factor Sp1, which was shown to be a critical regulator of all T. denticola-dependent MMP expression. Taken together, these data suggest that T. denticola dentilisin stimulates tissue-destructive cellular processes in a TLR2/MyD88/Sp1-dependent fashion.
Collapse
Affiliation(s)
- Sean Ganther
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Allan Radaic
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Erin Malone
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Pachiyappan Kamarajan
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Nai-Yuan Nicholas Chang
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Christian Tafolla
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - Ling Zhan
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| | - J. Christopher Fenno
- Department of Biological and Material Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Yvonne L. Kapila
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, United States of America
| |
Collapse
|
41
|
Kreller T, Sahm F, Bader R, Boccaccini AR, Jonitz-Heincke A, Detsch R. Biomimetic Calcium Phosphate Coatings for Bioactivation of Titanium Implant Surfaces: Methodological Approach and In Vitro Evaluation of Biocompatibility. MATERIALS (BASEL, SWITZERLAND) 2021; 14:3516. [PMID: 34202595 PMCID: PMC8269522 DOI: 10.3390/ma14133516] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 12/13/2022]
Abstract
Ti6Al4V as a common implant material features good mechanical properties and corrosion resistance. However, untreated, it lacks bioactivity. In contrast, coatings with calcium phosphates (CaP) were shown to improve cell-material interactions in bone tissue engineering. Therefore, this work aimed to investigate how to tailor biomimetic CaP coatings on Ti6Al4V substrates using modified biomimetic calcium phosphate (BCP) coating solutions. Furthermore, the impact of substrate immersion in a 1 M alkaline CaCl2 solution (pH = 10) on subsequent CaP coating formation was examined. CaP coatings were characterized via scanning electron microscopy, x-ray diffraction, energy-dispersive x-ray spectroscopy, and laser-scanning microscope. Biocompatibility of coatings was carried out with primary human osteoblasts analyzing cell morphology, proliferation, collagen type 1, and interleukin 6 and 8 release. Results indicate a successful formation of low crystalline hydroxyapatite (HA) on top of every sample after immersion in each BCP coating solution after 14 days. Furthermore, HA coating promoted cell proliferation and reduced the concentration of interleukins compared to the uncoated surface, assuming increased biocompatibility.
Collapse
Affiliation(s)
- Thomas Kreller
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich Alexander-University Erlangen-Nuremberg, 91058 Erlangen, Germany; (T.K.); (A.R.B.)
| | - Franziska Sahm
- Research Laboratory for Biomechanics and Implant Technology, Department of Orthopedics, Rostock University Medical Center, 18057 Rostock, Germany; (F.S.); (R.B.); (A.J.-H.)
| | - Rainer Bader
- Research Laboratory for Biomechanics and Implant Technology, Department of Orthopedics, Rostock University Medical Center, 18057 Rostock, Germany; (F.S.); (R.B.); (A.J.-H.)
| | - Aldo R. Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich Alexander-University Erlangen-Nuremberg, 91058 Erlangen, Germany; (T.K.); (A.R.B.)
| | - Anika Jonitz-Heincke
- Research Laboratory for Biomechanics and Implant Technology, Department of Orthopedics, Rostock University Medical Center, 18057 Rostock, Germany; (F.S.); (R.B.); (A.J.-H.)
| | - Rainer Detsch
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich Alexander-University Erlangen-Nuremberg, 91058 Erlangen, Germany; (T.K.); (A.R.B.)
| |
Collapse
|
42
|
Plemmenos G, Evangeliou E, Polizogopoulos N, Chalazias A, Deligianni M, Piperi C. Central Regulatory Role of Cytokines in Periodontitis and Targeting Options. Curr Med Chem 2021; 28:3032-3058. [PMID: 32838709 DOI: 10.2174/0929867327666200824112732] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Periodontitis is an immune-inflammatory disease that leads to the progressive destruction of bone and connective tissue in the periodontal area. The cytokine network plays a primary role in tissue homeostasis, the recruitment of immune cells to control the pathogenic impact and the regulation of osteoclastic function, thus modulating the intensity and duration of the immune response. This review provides an update on the main cytokines implicated in the pathogenesis and progression of periodontitis and their targeting potential in order to enrich current treatment options. METHODS A structured search of bibliographic databases (PubMed, MEDLINE, Scopus) was performed for peer-reviewed cytokine studies focused on periodontitis the last ten years. A qualitative content analysis was performed in screened papers and a critical discussion of main findings is provided. RESULTS An altered cytokine profile has been detected in periodontitis patients and the interplay of pro-inflammatory and/or anti-inflammatory cytokines has been associated with disease pathogenesis. Among the most prominent pro-inflammatory cytokines, TNF-α, IL-1β, IL-17, IL-6 and the chemokines CXCL-6, CXCL-8 are overexpressed in periodontitis patients and correlate with disease progression. On the other hand, the anti-inflammatory IL-4 and IL- 11 levels are reduced while IL-12 and IFN-γ expression play a dual role in periodontal disease. Current periodontitis treatment strategies include selective antibiotics, antimicrobial photodynamic therapy and probiotics, which can modulate the cytokine network and when applied in combination with specific anti-cytokine agents can exert additional beneficial effects. CONCLUSION It is evident that cytokines play a central regulatory role in the inflammatory process and immune cell response that underlies bone destruction in periodontitis. Specific cytokine targeting should be considered as a complementary therapeutic scheme to current periodontal management.
Collapse
Affiliation(s)
- Grigorios Plemmenos
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| | - Evangelos Evangeliou
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| | - Nikolaos Polizogopoulos
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| | - Andreas Chalazias
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| | - Marianthi Deligianni
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| | - Christina Piperi
- School of Dentistry, National and Kapodistrian University of Athens, 2 Thivon Str, Goudi, 115 27 Athens, Greece
| |
Collapse
|
43
|
Serrage HJ, Cooper PR, Palin WM, Horstman P, Hadis M, Milward MR. Photobiomodulation of oral fibroblasts stimulated with periodontal pathogens. Lasers Med Sci 2021; 36:1957-1969. [PMID: 33991267 PMCID: PMC8593050 DOI: 10.1007/s10103-021-03331-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 05/03/2021] [Indexed: 01/03/2023]
Abstract
Photobiomodulation (PBM) utilises light energy to treat oral disease, periodontitis. However, there remains inconsistency in the reporting of treatment parameters and a lack of knowledge as to how PBM elicits its molecular effects in vitro. Therefore, this study aimed to establish the potential immunomodulatory effects of blue and near infra-red light irradiation on gingival fibroblasts (GFs), a key cell involved in the pathogenesis of periodontitis. GFs were seeded in 96-well plates in media + / - Escherichia coli lipopolysaccharide (LPS 1 μg/ml), or heat-killed Fusobacterium nucleatum (F. nucleatum, 100:1MOI) or Porphyromonas gingivalis (P. gingivalis, 500:1MOI). Cultures were incubated overnight and subsequently irradiated using a bespoke radiometrically calibrated LED array (400-830 nm, irradiance: 24 mW/cm2 dose: 5.76 J/cm2). Effects of PBM on mitochondrial activity (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and adenosine triphosphate (ATP) assays, total reactive oxygen species production (ROS assay) and pro-inflammatory/cytokine response (interleukin-8 (IL-8) and tumour growth factor-β1 (TGFβ1)) were assessed 24 h post-irradiation. Data were analysed using one-way ANOVA followed by the Tukey test. Irradiation of untreated (no inflammatory stimulus) cultures at 400 nm induced 15%, 27% and 13% increases in MTT, ROS and IL-8 levels, respectively (p < 0.05). Exposure with 450 nm light following application of P. gingivalis, F. nucleatum or LPS induced significant decreases in TGFβ1 secretion relative to their bacterially stimulated controls (p < 0.001). Following stimulation with P. gingivalis, 400 nm irradiation induced 14% increases in MTT, respectively, relative to bacteria-stimulated controls (p < 0.05). These findings could identify important irradiation parameters to enable management of the hyper-inflammatory response characteristic of periodontitis.
Collapse
Affiliation(s)
- H J Serrage
- Oral Microbiology Unit, Department of Oral and Dental Science, University of Bristol, Bristol BS1 2LY, UK.
| | - P R Cooper
- School of Dentistry, University of Birmingham, Birmingham, UK
- Faculty of Dentistry, Department of Oral Biology, Sir John Walsh Research Institute University of Otago, Dunedin, New Zealand
| | - W M Palin
- School of Dentistry, University of Birmingham, Birmingham, UK
| | - P Horstman
- Philips Research, Eindhoven, Netherlands
| | - M Hadis
- School of Dentistry, University of Birmingham, Birmingham, UK
| | - M R Milward
- School of Dentistry, University of Birmingham, Birmingham, UK
| |
Collapse
|
44
|
Ostadkarampour M, Putnins EE. Monoamine Oxidase Inhibitors: A Review of Their Anti-Inflammatory Therapeutic Potential and Mechanisms of Action. Front Pharmacol 2021; 12:676239. [PMID: 33995107 PMCID: PMC8120032 DOI: 10.3389/fphar.2021.676239] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/06/2021] [Indexed: 12/18/2022] Open
Abstract
Chronic inflammatory diseases are debilitating, affect patients' quality of life, and are a significant financial burden on health care. Inflammation is regulated by pro-inflammatory cytokines and chemokines that are expressed by immune and non-immune cells, and their expression is highly controlled, both spatially and temporally. Their dysregulation is a hallmark of chronic inflammatory and autoimmune diseases. Significant evidence supports that monoamine oxidase (MAO) inhibitor drugs have anti-inflammatory effects. MAO inhibitors are principally prescribed for the management of a variety of central nervous system (CNS)-associated diseases such as depression, Alzheimer's, and Parkinson's; however, they also have anti-inflammatory effects in the CNS and a variety of non-CNS tissues. To bolster support for their development as anti-inflammatories, it is critical to elucidate their mechanism(s) of action. MAO inhibitors decrease the generation of end products such as hydrogen peroxide, aldehyde, and ammonium. They also inhibit biogenic amine degradation, and this increases cellular and pericellular catecholamines in a variety of immune and some non-immune cells. This decrease in end product metabolites and increase in catecholamines can play a significant role in the anti-inflammatory effects of MAO inhibitors. This review examines MAO inhibitor effects on inflammation in a variety of in vitro and in vivo CNS and non-CNS disease models, as well as their anti-inflammatory mechanism(s) of action.
Collapse
Affiliation(s)
- Mahyar Ostadkarampour
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, The University of British Columbia, Vancouver, BC, Canada
| | - Edward E Putnins
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, The University of British Columbia, Vancouver, BC, Canada
| |
Collapse
|
45
|
Zhang C, Xu C, Gao L, Li X, Zhao C. Porphyromonas gingivalis lipopolysaccharide promotes T-hel per17 cell differentiation by upregulating Delta-like ligand 4 expression on CD14 + monocytes. PeerJ 2021; 9:e11094. [PMID: 33981487 PMCID: PMC8074840 DOI: 10.7717/peerj.11094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/21/2021] [Indexed: 12/17/2022] Open
Abstract
Backgroud To investigate the effect and mechanism of Porphyromonas gingivalis (P. gingivalis) lipopolysaccharide (LPS) on Th17 cell differentiation mediated by CD14+ monocytes. Methods P. gingivalis LPS-activated CD14+ monocytes were co-cultured with CD4+T cells in different cell ratios. An indirect co-culture system was also established using transwell chambers. Furthermore, anti- Delta-like ligand 4 (Dll-4) antibody was used to investigate the role of Dll-4 in Th17 cell response. The mRNA expression was analyzed using quantitative reverse transcription-polymerase chain reaction, and secreted cytokines in culture supernatant were detected using enzyme-linked immunosorbent assay. Flow cytometry was used to determine the frequencies of Th17 cells. IL-17 protein expression levels were determined using western blotting assay. Results P. gingivalis LPS increased the expressions of interleukin (IL)-1β, IL-6, IL-23 and transforming growth factor (TGF)-β in CD14+ monocytes. Th17 cell frequency upregulated, which is not solely cytokine-dependent but rather requires cell-cell contact with activated monocytes, particularly in the 1:10 cell ratio. Furthermore, P. gingivalis LPS increased t he expression of Dll-4 on CD14+ monocytes, whereas the anti- Dll-4 a ntibody decreased the response of Th17 cells. The results suggest that P. gingivalis LPS enhances Th17 cell response via Dll-4 upregulation on CD14+ monocytes.
Collapse
Affiliation(s)
- Chi Zhang
- Department of Periodontology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chenrong Xu
- Department of Periodontology, Guangdong Provincial Hospital of Stomatology, Stomatological Hospital of Southern Medical University, Guangzhou, China
| | - Li Gao
- Department of Periodontology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xiting Li
- Department of Periodontology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chuanjiang Zhao
- Department of Periodontology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| |
Collapse
|
46
|
Aldahlawi S, Nourah D, Andreana S. Should Quality of Glycemic Control Guide Dental Implant Therapy in Patients with Diabetes? Focus on: Peri-Implant Diseases. Clin Cosmet Investig Dent 2021; 13:149-154. [PMID: 33911902 PMCID: PMC8071690 DOI: 10.2147/ccide.s297467] [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: 12/17/2020] [Accepted: 03/09/2021] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND AND AIM Traditionally patients with metabolic conditions such as diabetes mellitus are considered not suitable candidates for dental implant therapy due to increased risk of infection, impaired bone healing or the potential for vascular complications. Peri-implantitis as the more progressive form of peri-implant disease involves bone loss and estimated to occur in nearly half of all implant cases long-term. Despite extensive research on association of hyperglycemia with dental implants in preclinical and animal models, translational effort to clinical practice is hampered by discrepancies in reported outcome indicators for peri-implantitis in patients with a spectrum of glycemic profiles. This review aims to evaluate clinical evidence for peri-implant disease in metabolically compromised patients and in particular in patients with poorly-controlled diabetes in order to inform clinical management of peri-implant disease. MATERIALS AND METHODS A comprehensive literature review was performed utilizing PubMed database and using the key word 'diabetes' combined with "dental implant" or "Periimplantitis" or/and "Preimplant disease". RESULTS Clinical studies with follow up more than 1year, systematic review and meta-analysis that evaluated peri-implant disease in diabetic patients in relation to glycemic control were taken into consideration in this review. CONCLUSION Studies reported conflicting results regarding the long-term effect of diabetes on peri-implant health regardless of the level glycemic control. Therefore, interpretation of finding and relevance to clinical practise should be considered on individual bases.
Collapse
Affiliation(s)
- Salwa Aldahlawi
- Department of Basic and Clinical Oral Sciences, Faculty of Dentistry, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Dalia Nourah
- Department of Basic and Clinical Oral Sciences, Faculty of Dentistry, Umm Al-Qura University, Makkah, Saudi Arabia
| | | |
Collapse
|
47
|
Becerra-Ruiz JS, Guerrero-Velázquez C, Martínez-Esquivias F, Martínez-Pérez LA, Guzmán-Flores JM. Innate and adaptive immunity of periodontal disease. From etiology to alveolar bone loss. Oral Dis 2021; 28:1441-1447. [PMID: 33884712 DOI: 10.1111/odi.13884] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 03/25/2021] [Accepted: 04/14/2021] [Indexed: 12/16/2022]
Abstract
Periodontal disease refers to inflammation of the tissues that support the tooth. It is of multifactorial etiology. Innate and adaptive immune cells participate jointly through the release of their molecules and mechanisms of action in order to maintain homeostasis in periodontal tissues, so the host's immune response plays an essential role in defense against microorganisms. However, bacterial persistence and the dysregulation of the immune system as an exaggerated response can lead to the worsening of periodontal disease, leading to loss of gingival tissue and alveolar bone and thereby loss of teeth. Therefore, a better understanding of the cellular mechanisms involved in the development of periodontal disease is necessary to design new treatments and prophylactic measures in order to decrease the prevalence of this disease that afflicts a large part of the world population.
Collapse
Affiliation(s)
- Julieta Saraí Becerra-Ruiz
- Doctorado en Biociencias, Centro Universitario de Los Altos, Universidad de Guadalajara, Jalisco, México
| | - Celia Guerrero-Velázquez
- Instituto de Investigación en Odontología, Centro Universitario de Ciencias de La Salud, Universidad de Guadalajara, Jalisco, México
| | | | - Luz Andrea Martínez-Pérez
- Doctorado en Biociencias, Centro Universitario de Los Altos, Universidad de Guadalajara, Jalisco, México
| | - Juan Manuel Guzmán-Flores
- Instituto de Investigación en Biociencias, Centro Universitario de Los Altos, Universidad de Guadalajara, Jalisco, México
| |
Collapse
|
48
|
Influence of Age on Calvarial Critical Size Defect Dimensions: A Radiographic and Histological Study. J Craniofac Surg 2021; 32:2896-2900. [PMID: 33867513 PMCID: PMC8549460 DOI: 10.1097/scs.0000000000007690] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Calvarial critical-size defect has been used to assess techniques and materials in the bone regeneration field. Previous studies utilized young adult rats with 3 months of age, which might not reflect the geriatric conditions. This study aimed to assess the dimensions of the calvarial critical-size defect in aged rats. Seventy-two rats in a randomized block design were allocated into a control young adult (11–12 weeks), and a test old group (22–24 months). Both groups were divided according to bone defect's size: 3 mm, 5 mm, and 7 mm defects, which were surgically created and followed for 4 and 8 weeks. Radiographic and histologic analyses were performed. Based on the results, additional groups with 4 mm defect size were added following the same protocols. Young groups yielded higher bone volumes, defect closure percentages, and density of newly formed bone. Closure of cranial defects was only observed in 3 mm defects in both age groups after 8 weeks; however, the 4 mm defect group demonstrated bony bridging after 8 weeks in young but not old rats. Results confirmed that 5-mm defect is considered a critical size for calvarial bone defects in young adult rats; however, 4 mm defect might be considered critical size for the aged rats after 8 weeks.
Collapse
|
49
|
Toledano-Osorio M, Manzano-Moreno FJ, Toledano M, Medina-Castillo AL, Costela-Ruiz VJ, Ruiz C, Osorio R. Doxycycline-Doped Polymeric Membranes Induced Growth, Differentiation and Expression of Antigenic Phenotype Markers of Osteoblasts. Polymers (Basel) 2021; 13:1063. [PMID: 33800569 PMCID: PMC8037272 DOI: 10.3390/polym13071063] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/11/2022] Open
Abstract
Polymeric membranes are employed in guided bone regeneration (GBR) as physical barriers to facilitate bone in-growth. A bioactive and biomimetic membrane with the ability to participate in the healing and regeneration of the bone is necessary. The aim of the present study was to analyze how novel silicon dioxide composite membranes functionalized with zinc or doxycycline can modulate the osteoblasts' proliferation, differentiation, and expression of selected antigenic markers related to immunomodulation. Nanostructured acrylate-based membranes were developed, blended with silica, and functionalized with zinc or doxycycline. They were subjected to MG63 osteoblast-like cells culturing. Proliferation was assessed by MTT-assay, differentiation by evaluating the alkaline phosphatase activity by a spectrophotometric method and antigenic phenotype was assessed by flow cytometry for selected markers. Mean comparisons were conducted by one-way ANOVA and Tukey tests (p < 0.05). The blending of silica nanoparticles in the tested non-resorbable polymeric scaffold improved the proliferation and differentiation of osteoblasts, but doxycycline doped scaffolds attained the best results. Osteoblasts cultured on doxycycline functionalized membranes presented higher expression of CD54, CD80, CD86, and HLA-DR, indicating a beneficial immunomodulation activity. Doxycycline doped membranes may be a potential candidate for use in GBR procedures in several challenging pathologies, including periodontal disease.
Collapse
Affiliation(s)
- Manuel Toledano-Osorio
- Colegio Máximo de Cartuja s/n, Faculty of Dentistry, University of Granada, 18071 Granada, Spain; (M.T.-O.); (R.O.)
- Medicina Clínica y Salud Pública Programme, University of Granada, 18071 Granada, Spain
| | - Francisco J. Manzano-Moreno
- Biomedical Group (BIO277), Department of Stomatology, School of Dentistry, University of Granada, 18071 Granada, Spain;
- Instituto Investigación Biosanitaria, ibs.Granada, 18071 Granada, Spain; (V.J.C.-R.); (C.R.)
| | - Manuel Toledano
- Colegio Máximo de Cartuja s/n, Faculty of Dentistry, University of Granada, 18071 Granada, Spain; (M.T.-O.); (R.O.)
| | - Antonio L. Medina-Castillo
- NanoMyP, Nanomateriales y Polimeros S.L., Spin-Off Company of the University of Granada, Edificio BIC-Granada, Av. Innovación 1, Armilla, 18016 Granada, Spain;
| | - Victor J. Costela-Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, 18071 Granada, Spain; (V.J.C.-R.); (C.R.)
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, 18071 Granada, Spain
| | - Concepción Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, 18071 Granada, Spain; (V.J.C.-R.); (C.R.)
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, 18071 Granada, Spain
- Institute of Neuroscience, University of Granada, Centro de Investigación Biomédica (CIBM), Parque de Tecnológico de la Salud (PTS), 18071 Granada, Spain
| | - Raquel Osorio
- Colegio Máximo de Cartuja s/n, Faculty of Dentistry, University of Granada, 18071 Granada, Spain; (M.T.-O.); (R.O.)
| |
Collapse
|
50
|
Zhivodernikov IV, Ratushnyy AY, Buravkova LB. Secretory Activity of Mesenchymal Stromal Cells with Different Degree of Commitment under Conditions of Simulated Microgravity. Bull Exp Biol Med 2021; 170:560-564. [PMID: 33725256 DOI: 10.1007/s10517-021-05106-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Indexed: 11/24/2022]
Abstract
Microgravity negatively affects the bone tissue which manifested in a decrease in mineral density of the bones during long-term space flights. Impairments of bone homeostasis are determined among other things by changes in secretory activity of heterogeneous populations of low-committed precursors, such as mesenchymal stromal cells (MSC) and osteoblasts. We studied the effect of microgravity modeling during 10 days on paracrine activity of osteogenically committed and intact MSC. Cell response to simulated microgravity depended on the degree of commitment. The response of osteogenically committed MSC was less pronounced and manifested in increased production of sclerostin. In intact MSC, an increase in IL-8 and VEGF secretion and a decrease in osteoprotegerin level were detected. These changes can underlie the shift of bone homeostasis towards bone resorption.
Collapse
Affiliation(s)
- I V Zhivodernikov
- State Scientific Center of the Russian Federation - Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, Russia
| | - A Yu Ratushnyy
- State Scientific Center of the Russian Federation - Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, Russia
| | - L B Buravkova
- State Scientific Center of the Russian Federation - Institute of Biomedical Problems, Russian Academy of Sciences, Moscow, Russia.
| |
Collapse
|