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Park HJ, Kim MK, Kim Y, Kim HJ, Park HR, Bae SK, Bae MK. Gastrin-releasing peptide receptor antagonist RC-3095 inhibits Porphyromonas gingivalis lipopolysaccharide-accelerated atherosclerosis by suppressing inflammatory responses in endothelial cells and macrophages. Inflamm Res 2024:10.1007/s00011-024-01934-0. [PMID: 39164592 DOI: 10.1007/s00011-024-01934-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 07/26/2024] [Accepted: 08/11/2024] [Indexed: 08/22/2024] Open
Abstract
OBJECTIVE Porphyromonas gingivalis (P. gingivalis), one of the major periodontopathogens, is associated with the progression and exacerbation of atherosclerosis. In this study, we aimed to investigate whether the gastrin-releasing peptide receptor antagonist, RC-3095, could attenuate P. gingivalis LPS-induced inflammatory responses in endothelial cells and macrophages, as well as atherosclerosis in an ApoE-/- mouse model treated with P. gingivalis LPS. METHODS The effect of RC-3095 on P. gingivalis LPS-induced endothelial inflammation was examined using HUVECs and rat aortic endothelium. THP-1 cells were polarized into M1 macrophages by exposure to P. gingivalis LPS, with or without RC-3095. The effect of RC-3095 on atherosclerosis progression was assessed in high-fat-fed male ApoE-/- mice through injections of P. gingivalis LPS, RC-3095, or a combination of both. RESULTS RC-3095 significantly reduced P. gingivalis LPS-induced leukocyte adhesion to endothelial cells and aortic endothelium by suppressing NF-κB-dependent expressions of ICAM-1 and VCAM-1. In addition, RC-3095 inhibited the P. gingivalis LPS-induced polarization of M1 macrophages by blocking the MAPK and NF-κB signaling pathways. Moreover, RC-3095 decreased the area of atherosclerotic lesions in ApoE-/- mice, which was accelerated by P. gingivalis LPS injection, and lowered the expressions of ICAM-1 and VCAM-1 in the aortic tissue of mice with atherosclerosis. CONCLUSIONS RC-3095 can alleviate P. gingivalis LPS-induced endothelial inflammation, macrophage polarization, and atherosclerosis progression, suggesting its potential as a therapeutic approach for periodontal pathogen-associated atherosclerosis.
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Affiliation(s)
- Hyun-Joo Park
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Mi-Kyoung Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Yeon Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Hyung Joon Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Hae Ryoun Park
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Department of Oral Pathology, School of Dentistry, Pusan National University, Yangsan, 50610, Korea
| | - Soo-Kyung Bae
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea
| | - Moon-Kyoung Bae
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea.
- Periodontal Disease Signaling Network Research Center (MRC), School of Dentistry, Pusan National University, Yangsan, 50612, South Korea.
- Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, 50612, South Korea.
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Yang X, Luo M, Jiang Y. The regulatory effect of zinc on the association between periodontitis and atherosclerotic cardiovascular disease: a cross-sectional study based on the National Health and Nutrition Examination Survey. BMC Oral Health 2024; 24:703. [PMID: 38890599 PMCID: PMC11184828 DOI: 10.1186/s12903-024-04473-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 06/11/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Zinc has been proven to be effective against periodontitis, and also reported to reduce the risk of cardiovascular diseases (CVD). This study aims to explore the regulatory effect of zinc intake on the association between periodontitis and atherosclerotic cardiovascular disease (ASCVD). METHODS This was a cross-sectional study based on the National Health and Nutrition Examination Survey (NHANES). Logistic regression model was used to explore the association between zinc-RDA or periodontitis and 10-year ASCVD risk ≥ 20%, and results were shown as odds ratio (OR) and 95% confidence interval (95% CI). The regulatory effect of zinc intake on the association between periodontitis and 10-year ASCVD risk ≥ 20% was also assessed using logistic regression model. Subgroup analysis was performed based on age, gender, obesity, education level, lipid-lowering therapy, and dental floss. RESULTS 6,075 patients were finally included for analysis. Zinc intake reaching the recommended level (OR = 0.82, 95%CI: 0.69-0.98) and periodontitis (OR = 2.47, 95%CI: 2.04-3.00) were found to be associated with 0.82-fold and 2.47-fold odds of 10-year ASCVD risk ≥ 20%, respectively. In addition, we found that the odds of 10-year ASCVD risk ≥ 20% was lower in patients with zinc intake reaching the recommended level than those without [OR (95%CI): 2.25 (1.81-2.80) vs. 2.72 (2.05-3.62)]. The similar regulatory effect was found in patients with age ≥ 60 years and < 60 years, in male and female, with or without obesity, in different education levels, with or without lipid lowering therapy, and with or without use of dental floss (all P < 0.05). CONCLUSIONS This study found the regulatory effect of adequate zinc intake on the association between periodontitis and ASCVD, providing guidance for periodontitis patients to decrease the risk of ASCVD.
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Affiliation(s)
- Xiuxiu Yang
- Department of Stomatology, Ziyang Central Hospital, No.66 Rende Western Road, Yanjiang District, Ziyang, 641300, P.R. China.
| | - Maoyu Luo
- Department of Stomatology, Ziyang Central Hospital, No.66 Rende Western Road, Yanjiang District, Ziyang, 641300, P.R. China
| | - Yao Jiang
- Department of Stomatology, Ziyang Central Hospital, No.66 Rende Western Road, Yanjiang District, Ziyang, 641300, P.R. China
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Padial-Molina M, Gonzalez-Perez G, Martin-Morales N, Sanchez-Fernandez E, O'Valle F, Galindo-Moreno P. Periostin in the relation between periodontal disease and atherosclerotic coronary artery disease: A pilot randomized clinical study. J Periodontal Res 2024; 59:446-457. [PMID: 38140743 DOI: 10.1111/jre.13229] [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: 09/12/2023] [Revised: 11/30/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
OBJECTIVE The aim of this study was to analyze the effects of periodontal treatment on markers of atherosclerotic coronary artery disease and circulating levels of periostin. BACKGROUND Periostin is necessary for periodontal stability, but it is highly present in atherosclerotic plaques. Treatment of periodontal disease, with low levels of local periostin, is thought to reduce systemic levels of periostin. Thus, this may contribute to cardiovascular health. METHODS A pilot randomized controlled clinical trial was designed to include patients with severe periodontal disease and history of atherosclerotic coronary artery disease. Samples of gingival crevicular fluid (GCF) and serum were collected before and after periodontal treatment by periodontal surgery or non-surgical therapy. The levels of several markers of inflammation and cardiovascular damage were evaluated including CRP, IFN-γ, IL-1ß, IL-10, MIP-1α, periostin, and TNF-α in GCF and CRP, Fibrinogen, IFN-γ, IL-1ß, IL-6, IL-10, L-Selectin, MIP-1α, Periostin, TNF-α, and vWF in serum. RESULTS A total of 22 patients with an average of 56 years old were recruited for participating in this study. Twenty of them were male. Most of them (82%) had suffered an acute myocardial event and underwent surgery for placing 1, 2, or 3 stents in the coronary arteries more than 6 months ago but less than 1 year. The treatment of periodontal disease resulted in an overall improvement of all periodontal parameters. Regarding the evaluation of GCF and serum, a significant increase of periostin in the GCF was observed after periodontal surgery. In contrast, although other markers in GCF and serum improved, no significant correlations were found. CONCLUSION Treatment of periodontal disease through periodontal surgery induces a local and transient increase in the levels of periostin in the gingival crevicular fluid. The effects on systemic markers of inflammation and cardiovascular function have not been confirmed.
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Affiliation(s)
- Miguel Padial-Molina
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Gloria Gonzalez-Perez
- PhD Program in Clinical Medicine and Public Health, University of Granada, Granada, Spain
| | - Natividad Martin-Morales
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
- PhD Program in Biomedicine, University of Granada, Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, Granada, Spain
| | - Elena Sanchez-Fernandez
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Francisco O'Valle
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
- Department of Pathology, School of Medicine, University of Granada, Granada, Spain
- Institute of Biopathology and Regenerative Medicine (IBIMER, CIBM), University of Granada, Granada, Spain
| | - Pablo Galindo-Moreno
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
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Elhaieg A, Farag A, Elfadadny A, Yokoi A, Hendawy H, Mandour AS, Tanaka R. Effect of experimental periodontitis on cardiac functions: a comprehensive study using echocardiography, hemodynamic analysis, and histopathological evaluation in a rat model. Front Vet Sci 2023; 10:1327484. [PMID: 38179330 PMCID: PMC10764594 DOI: 10.3389/fvets.2023.1327484] [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: 10/25/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024] Open
Abstract
Introduction Periodontitis is a prevalent and severe dental condition characterized by the gradual degradation of the bone surrounding the teeth. Over the past two decades, numerous epidemiological investigations have suggested a potential link between periodontitis and cardiovascular disease. However, the complex mechanistic relationship between oral health issues and cardiovascular disorders remains unclear. Aim This study aimed to explore comprehensively the cardiac function through various methods, including conventional echocardiography, intraventricular pressure gradient (IVPG) analysis, speckle tracking echocardiography (STE), and hemodynamics analysis. Methods Ligature-induced periodontitis was established in a group of rats while the second group served as sham. The successful establishment of the periodontitis model was confirmed through staining and radiographic examination of the affected mandibles. Results X-ray films and methylene blue staining revealed alveolar bone resorption in the affected first molar in the model rats, confirming the successful induction of periodontitis. The rats with periodontitis displayed a decrease in ejection fraction compared to the sham group, accompanied by a decrease in mid-to-apical IVPG and mid IVPG. Lower values of strain rate were recorded in the apical segment of the septum, the middle segment of the septum, and the basal segment of the lateral free wall in the periodontitis group, which was associated with histopathological examination showing some degree of myocardial tissue damage. Conversely, rats with periodontitis showed an increase in heart rate, end-systolic volume, and arterial elastance when compared to the sham rats. However, they also exhibited a decrease in stroke work, stroke volume, cardiac output, and end-systolic pressure. Conclusion This study suggests that experimental periodontitis may lead to cardiac dysfunction especially compromised systolic function and myocardial relaxation, potentially indicating an increased risk of cardiovascular events in clinical periodontitis cases. The comprehensive assessment of cardiac function, hemodynamics, and histopathological evaluation underscores the profound impact of periodontitis on heart functions within this specific experimental model.
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Affiliation(s)
- Asmaa Elhaieg
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
| | - Ahmed Farag
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Ahmed Elfadadny
- Department of Animal Internal Medicine, Faculty of Veterinary Medicine, Damanhur University, Damanhour, Egypt
| | - Aimi Yokoi
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
| | - Hanan Hendawy
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ahmed S. Mandour
- Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ryou Tanaka
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
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Hoss P, Meyer O, Wölfle UC, Wülk A, Meusburger T, Meier L, Hickel R, Gruhn V, Hesenius M, Kühnisch J, Dujic H. Detection of Periodontal Bone Loss on Periapical Radiographs-A Diagnostic Study Using Different Convolutional Neural Networks. J Clin Med 2023; 12:7189. [PMID: 38002799 PMCID: PMC10672399 DOI: 10.3390/jcm12227189] [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: 11/03/2023] [Revised: 11/14/2023] [Accepted: 11/18/2023] [Indexed: 11/26/2023] Open
Abstract
Interest in machine learning models and convolutional neural networks (CNNs) for diagnostic purposes is steadily increasing in dentistry. Here, CNNs can potentially help in the classification of periodontal bone loss (PBL). In this study, the diagnostic performance of five CNNs in detecting PBL on periapical radiographs was analyzed. A set of anonymized periapical radiographs (N = 21,819) was evaluated by a group of trained and calibrated dentists and classified into radiographs without PBL or with mild, moderate, or severe PBL. Five CNNs were trained over five epochs. Statistically, diagnostic performance was analyzed using accuracy (ACC), sensitivity (SE), specificity (SP), and area under the receiver operating curve (AUC). Here, overall ACC ranged from 82.0% to 84.8%, SE 88.8-90.7%, SP 66.2-71.2%, and AUC 0.884-0.913, indicating similar diagnostic performance of the five CNNs. Furthermore, performance differences were evident in the individual sextant groups. Here, the highest values were found for the mandibular anterior teeth (ACC 94.9-96.0%) and the lowest values for the maxillary posterior teeth (78.0-80.7%). It can be concluded that automatic assessment of PBL seems to be possible, but that diagnostic accuracy varies depending on the location in the dentition. Future research is needed to improve performance for all tooth groups.
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Affiliation(s)
- Patrick Hoss
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Ole Meyer
- Institute for Software Engineering, University of Duisburg-Essen, 45127 Essen, Germany; (O.M.); (V.G.); (M.H.)
| | - Uta Christine Wölfle
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Annika Wülk
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Theresa Meusburger
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Leon Meier
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Reinhard Hickel
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Volker Gruhn
- Institute for Software Engineering, University of Duisburg-Essen, 45127 Essen, Germany; (O.M.); (V.G.); (M.H.)
| | - Marc Hesenius
- Institute for Software Engineering, University of Duisburg-Essen, 45127 Essen, Germany; (O.M.); (V.G.); (M.H.)
| | - Jan Kühnisch
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
| | - Helena Dujic
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, 80336 Munich, Germany; (P.H.); (U.C.W.); (A.W.); (T.M.); (L.M.); (R.H.); (H.D.)
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Yu F, Wang H, Wang Q, Zhao B, Zhao Z, Bian W. Evaluation of bi-directional causal association between periodontal disease and erectile dysfunction: a two-sample Mendelian randomization study. Clin Oral Investig 2023; 27:5895-5903. [PMID: 37581767 DOI: 10.1007/s00784-023-05201-0] [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: 01/13/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND The association between periodontal disease (PD) and erectile dysfunction (ED) has been well-documented in observational studies. However, observational studies are vulnerable to reverse causality and confounding factors, making the inference of causal-effect relationships challenging. Contrary to the current belief, Mendelian randomization (MR) can be applied to comprehensively assess the bi-directional causal effects between PD and ED. METHODS A two-sample MR analysis was performed using pooled statistics from genome-wide association studies involving European populations with PD (12,289 patients with PD and 22,326 controls) and ED (6,175 patients with clinically diagnosed ED and 217,630 controls). In this MR analysis, three methods--the inverse-variance weighted (IVW) average, weighted median, and MR-Egger regression methods--were used to evaluate the causal relationships between PD and ED. RESULTS According to the IVW analysis results, genetically predicted PD did not have a causal effect on ED (odds ratio 1.07, 95% confidence interval 0.96-1.20, p = 0.22). Furthermore, there was no clear indication of a significant causal effect of ED on PD in the reverse MR analysis (odds ratio 0.98, 95% confidence interval 0.90-1.08, p = 0.74). The results of the MR-Egger regression and weighted median methods were consistent with those of the IVW method. Based on the sensitivity analysis results, a major bias from genetic pleiotropy was unlikely to distort the causal estimates. CONCLUSION The present study does not support a causal effect between PD and ED. CLINICAL RELEVANCE From the perspective of genetics, PD does not appear to be a risk factor for the development of ED.
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Affiliation(s)
- Feiyan Yu
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China
| | - He Wang
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China
| | - Qianqian Wang
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan, China
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China
| | - Baoling Zhao
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China
| | - Zhenni Zhao
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China
| | - Wei Bian
- Shanxi Province Key Laboratory of Oral Diseases Prevention and New Materials, No. 63, New South Road, Yingze District, Taiyuan, Shanxi, 030001, People's Republic of China.
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Shanxi Medical University, Taiyuan, China.
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Kim Y, Lee H, Park HJ, Kim MK, Kim YI, Kim HJ, Bae SK, Kim YJ, Bae MK. Hispidulin Inhibits the Vascular Inflammation Triggered by Porphyromonas gingivalis Lipopolysaccharide. Molecules 2023; 28:6717. [PMID: 37764491 PMCID: PMC10536826 DOI: 10.3390/molecules28186717] [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: 08/30/2023] [Revised: 09/15/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Hispidulin is a natural bioactive flavonoid that has been studied for its potential therapeutic properties, including its anti-inflammatory, antioxidant, and neuroprotective effects. The aim of this study was to explore whether hispidulin could inhibit the endothelial inflammation triggered by Porphyromonas gingivalis (P. gingivalis) lipopolysaccharide (LPS). The adhesion of monocytes to the vascular endothelium was evaluated through in vitro and ex vivo monocyte adhesion assays. We analyzed the migration of monocytes across the endothelial layer using a transmigration assay. The results showed that treatment with hispidulin decreased the P. gingivalis LPS-induced adhesion of monocytes to endothelial cells and their migration by suppressing the P. gingivalis LPS-triggered expression of intercellular adhesion molecule-1 (ICAM-1) through downregulating nuclear factor-қB (NF-қB). In addition, hispidulin inhibited P. gingivalis LPS-induced mitogen-activated protein kinases (MAPKs) and AKT in endothelial cells. Altogether, the results indicate that hispidulin suppresses the vascular inflammation induced by P. gingivalis LPS. Mechanistically, it prevents the adhesion of monocytes to the vascular endothelium and migration and inhibits NF-қB, MAPKs, and AKT signaling in endothelial cells.
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Affiliation(s)
- Yeon Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan 50612, Republic of Korea
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Republic of Korea
| | - Hoyong Lee
- Department of Molecular Biology, Pusan National University, Busan 46241, Republic of Korea
| | - Hyun-Joo Park
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan 50612, Republic of Korea
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Republic of Korea
| | - Mi-Kyoung Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
| | - Yong-Il Kim
- Department of Orthodontics, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
| | - Hyung Joon Kim
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan 50612, Republic of Korea
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Republic of Korea
| | - Soo-Kyung Bae
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Republic of Korea
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
| | - Yung-Jin Kim
- Department of Molecular Biology, Pusan National University, Busan 46241, Republic of Korea
| | - Moon-Kyoung Bae
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan 50612, Republic of Korea
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan 50612, Republic of Korea
- Dental and Life Science Institute, Pusan National University, Yangsan 50612, Republic of Korea
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Gualtero DF, Lafaurie GI, Buitrago DM, Castillo Y, Vargas-Sanchez PK, Castillo DM. Oral microbiome mediated inflammation, a potential inductor of vascular diseases: a comprehensive review. Front Cardiovasc Med 2023; 10:1250263. [PMID: 37711554 PMCID: PMC10498784 DOI: 10.3389/fcvm.2023.1250263] [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: 06/30/2023] [Accepted: 08/10/2023] [Indexed: 09/16/2023] Open
Abstract
The dysbiosis of the oral microbiome and vascular translocation of the periodontopathic microorganism to peripheral blood can cause local and systemic extra-oral inflammation. Microorganisms associated with the subgingival biofilm are readily translocated to the peripheral circulation, generating bacteremia and endotoxemia, increasing the inflammation in the vascular endothelium and resulting in endothelial dysfunction. This review aimed to demonstrate how the dysbiosis of the oral microbiome and the translocation of oral pathogen-induced inflammation to peripheral blood may be linked to cardiovascular diseases (CVDs). The dysbiosis of the oral microbiome can regulate blood pressure and activate endothelial dysfunction. Similarly, the passage of periodontal microorganisms into the peripheral circulation and their virulence factors have been associated with a vascular compartment with a great capacity to activate endothelial cells, monocytes, macrophages, and plaquettes and increase interleukin and chemokine secretion, as well as oxidative stress. This inflammatory process is related to atherosclerosis, hypertension, thrombosis, and stroke. Therefore, oral diseases could be involved in CVDs via inflammation. The preclinic and clinical evidence suggests that periodontal disease increases the proinflammatory markers associated with endothelial dysfunction. Likewise, the evidence from clinical studies of periodontal treatment in the long term evidenced the reduction of these markers and improved overall health in patients with CVDs.
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Nagy FT, Gheorghita D, Dharmarajan L, Braunitzer G, Achim A, Ruzsa Z, Antal MÁ. Oral Health of Patients Undergoing Percutaneous Coronary Intervention-A Possible Link between Periodontal Disease and In-Stent Restenosis. J Pers Med 2023; 13:jpm13050760. [PMID: 37240930 DOI: 10.3390/jpm13050760] [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: 03/29/2023] [Revised: 04/22/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023] Open
Abstract
Introduction: There is a well-documented association between coronary artery disease (CHD) and periodontal disease (PD) mediated by common inflammatory pathways. This association, however, has not been investigated extensively in the special context of in-stent restenosis. This study aimed to investigate the periodontal status of patients undergoing percutaneous coronary intervention (PCI) for restenotic lesions. Methods and Results: We enrolled 90 patients undergoing percutaneous coronary intervention and 90 age- and gender-matched healthy controls in the present study. All subjects received a full-mouth examination by a periodontist. Plaque index, periodontal status, and tooth loss were determined. The periodontal state was significantly worse (p < 0.0001) in the PCI group, and each periodontal stage increased the odds of belonging to the PCI group. This effect of PD was independent of diabetes mellitus, another strong risk factor for CAD. The PCI group was further divided into two subgroups: PCI for restenotic lesions (n = 39) and PCI for de novo lesions (n = 51). Baseline clinical and procedural characteristics were comparable between the two PCI subgroups. A significant (p < 0.001) association was found between the PCI subgroup and the severity of periodontal disease, with the incidence of severe PD reaching 64.1%. Conclusions: Patients undergoing PCI for in-stent restenosis exhibit more severe forms of periodontal disease not only as compared to healthy controls but also as compared to patients stented for de novo lesions. The potential causality between PD and restenosis must be studied in larger prospective studies.
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Affiliation(s)
- Ferenc Tamás Nagy
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Dorottya Gheorghita
- Faculty of Dentistry, Department of Esthetic and Operative Dentistry, University of Szeged, 6720 Szeged, Hungary
| | | | | | - Alexandru Achim
- "Nicolae Stancioiu" Heart Institute, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Zoltán Ruzsa
- Division of Invasive Cardiology, Department of Internal Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Márk Ádám Antal
- Faculty of Dentistry, Department of Esthetic and Operative Dentistry, University of Szeged, 6720 Szeged, Hungary
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10
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Haukka A, Kaila M, Haukka J, Heikkinen AM. Adherence to individualized recall intervals for oral health examinations. Clin Exp Dent Res 2023; 9:177-185. [PMID: 36322122 PMCID: PMC9932253 DOI: 10.1002/cre2.686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/21/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES The aim of this follow-up study was to investigate whether adults attend an oral health examination (OHE) based on their individual recall interval (IRI) without a reminder recall system. METHODS The study population included adults who were attending an OHE recommended by their dentists based on their IRI in public oral healthcare clinics of Helsinki City January 1, 2009-December 31, 2009. The inclusion criteria were as follows: alive until the end of IRI, length of the IRI of 12-60 months, and study participants had not been treated successfully by a dental specialist during the IRI period (n = 41,255). We used a multinomial model to identify the factors associated with the timing of OHE. The following predictors were included: oral health indices such as Decayed Teeth and the Community Periodontal Index, the length of the IRI based on an OHE in 2009, age, gender, socioeconomic status, presence of chronic diseases, and emergency appointment. Results were presented as odds ratios with 95% confidence intervals. RESULTS The OHE based on IRI occurred for 7505 individuals (18.2%) and the OHE was late for 9159 individuals (22.2%). A total of 24,591 (59.6%) adults did not undergo follow-up OHE based on the IRI period of on time or late. Those who came on time for follow-up OHE experienced less caries than those who came later. There was not much difference in periodontal health between the groups. The models indicated that having an emergency appointment was associated with a higher probability of having an OHE. A long IRI (37-60 months) was associated with a higher probability of not participating in OHE even late. CONCLUSIONS It would be beneficial for patients to take appointments based on the recall interval. The results of this study indicated that more needs to be done to increase awareness in the adult population of the benefits and availability of follow-up OHEs based on their IRI in oral healthcare.
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Affiliation(s)
- Anna Haukka
- Dental Care, Health Services, Social Services and Health CareCity of HelsinkiFinland
- Department of Public HealthUniversity of HelsinkiHelsinkiFinland
| | - Minna Kaila
- Public Health Medicine, Department of Public HealthUniversity of HelsinkiHelsinkiFinland
| | - Jari Haukka
- Department of Public HealthUniversity of HelsinkiHelsinkiFinland
| | - Anna M. Heikkinen
- Department of Oral and Maxillofacial Diseases, Head and Neck CenterUniversity of Helsinki, Helsinki University HospitalHelsinkiFinland
- Faculty of Medicine and Health TechnologyTampere UniversityTampereFinland
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11
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The Relationship between the Oral Microbiota and Metabolic Syndrome. Biomedicines 2022; 11:biomedicines11010003. [PMID: 36672511 PMCID: PMC9855685 DOI: 10.3390/biomedicines11010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/29/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
The oral microbiota plays a crucial role in both systemic inflammation and metabolic syndrome (MetS), which is characterised by low-grade inflammation. Studies have analysed the gut microbiota using stool specimens from subjects with MetS; however, the etiological role of the oral microbiota in the development of MetS is still uncertain. We investigated the oral microbiota of 128 subgingival plaque samples from a South African cohort with and without MetS. After a comprehensive analysis of the oral microbiota, we observed a significant increase in Gram-positive aerobic and anaerobic microbiota in those with MetS. We observed an abundance of Actinomyces, Corynebacterium, and Fusobacterium genera in the MetS group, which differed significantly from previous studies, which found Granulicatella to be enriched in MetS. To further assess the impact of the metabolic parameters (FBG, Waist C, HDL, TGs, and BP) on the oral microbiota, we calculated the odds ratio (ORs) for significant oral microbiota identified between the MetS groups. We found that different species were associated with at least four MetS risk factors. This study has shown that the oral microbiota is disrupted in MetS and may promote inflammation providing a gateway to other systemic diseases, including diabetes and cardiovascular diseases.
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12
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Antibodies against HSV-1 and Curli Show the Highest Correlation in Parkinson's Disease Patients in Comparison to Healthy Controls. Int J Mol Sci 2022; 23:ijms232314816. [PMID: 36499141 PMCID: PMC9740186 DOI: 10.3390/ijms232314816] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/18/2022] [Accepted: 11/24/2022] [Indexed: 12/05/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder involving the accumulation of alpha-synuclein (α-syn)/Lewy bodies in the brain and -enteric nervous system. The etiology of the disease is not well understood, but bacterial and viral infections may contribute to the pathogenesis of PD. It has been suggested that the gastrointestinal (GI) complications observed in PD patients may arise from bacterial dysbiosis, leading to curli/α-syn deposits in the enteric nervous system. Enteric bacteria secrete curli, a functional amyloid peptide involved in adhesion to surfaces, cell invasion, and biofilm formation. However, these bacterial amyloids can initiate additional α-syn deposits through immune system activation and cross-seeding. In this study, we investigate the humoral response against α-syn, curli peptides, and various bacterial and viral immunogen peptides in PD patients, and compare them with those in healthy controls (HCs). Polyclonal IgG antibodies (Abs) were detected against peptides derived from α-syn (α-syn100−114), curli (Curli133−141), Porphyromonas gingivalis Pg (RgpA800−812, Kpg328−339), Aggregatibacter actinomycetemcomitans (LtxA1429−445, LtxA264−80), Mycobacterium avium subsp. paratuberculosis (MAP3865c125−133, MAP1,4-a-gbp157−173 and MAP_402718−32), Epstein−Barr virus (EBNA1400−413, BOLF1305−320), and Herpes Simplex virus 1 (UI4222−36), as investigated by indirect ELISA of 51 serum samples from PD and 58 sex and age-matched HCs. Significant differences in OD (optical density) values and Abs positivity between PD patients and HCs were observed for Kpg (82.3% vs. 10.3%), followed by RgpA (60.7% vs. 24.1%), curli (51% vs. 22.4%), and UI42 (43.1% vs. 25.8%) in PD, compared to HCs sera (p < 0.001). No significant difference was found in the ODs obtained from other tested peptides in PD patients, compared to HCs. Significant positive correlations between OD values obtained by ELISA were observed for UI42 and curli (r = 0.811, p < 0.0001), Kpg and RgpA (r = 0.659, p < 0.0001), followed by LtxA1 and LtxA2 (r = 0.653, p < 0.0001). The correlation between the HY scale (Hoehn and Yahr Scale) and LtxA1 (r = 0.306, p < 0.028) and HY and Kpg (r = 0.290, p < 0.038) were significantly positive. This study reports a significantly increased humoral response against curli, Pg, and HSV-1 in PD patients, implying that they could be important factors in the pathogenesis of the disease. In addition, the high positive correlation between UI42 and curli may suggest the involvement of HSV-1 in GI dysbiosis. Therefore, the role of each individual pathogen and curli in PD needs to be further investigated.
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13
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Dembowska E, Samulak R, Jędrzychowska A, Dołęgowska B. Effects of a 980 nm Diode Laser as an Adjunct to Nonsurgical Periodontal Therapy on Periodontal Status and Inflammatory Markers in Patients After Myocardial Infarction: A Randomized Controlled Trial. Photobiomodul Photomed Laser Surg 2022; 40:532-542. [DOI: 10.1089/photob.2021.0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Elżbieta Dembowska
- Department of Periodontology, Immunology and Laboratory Medicine, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Renata Samulak
- Department of Periodontology, Immunology and Laboratory Medicine, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Adriana Jędrzychowska
- Department of Medical Analytics, Immunology and Laboratory Medicine, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Barbara Dołęgowska
- Department of Microbiology, Immunology and Laboratory Medicine, Pomeranian Medical University in Szczecin, Szczecin, Poland
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14
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Jiang L, Chen D, Cao Z, Wu F, Zhu H, Zhu F. A two-stage deep learning architecture for radiographic staging of periodontal bone loss. BMC Oral Health 2022; 22:106. [PMID: 35365122 PMCID: PMC8973652 DOI: 10.1186/s12903-022-02119-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/14/2022] [Indexed: 12/13/2022] Open
Abstract
Background Radiographic periodontal bone loss is one of the most important basis for periodontitis staging, with problems such as limited accuracy, inconsistency, and low efficiency in imaging diagnosis. Deep learning network may be a solution to improve the accuracy and efficiency of periodontitis imaging staging diagnosis. This study aims to establish a comprehensive and accurate radiological staging model of periodontal alveolar bone loss based on panoramic images. Methods A total of 640 panoramic images were included, and 3 experienced periodontal physicians marked the key points needed to calculate the degree of periodontal alveolar bone loss and the specific location and shape of the alveolar bone loss. A two-stage deep learning architecture based on UNet and YOLO-v4 was proposed to localize the tooth and key points, so that the percentage of periodontal alveolar bone loss was accurately calculated and periodontitis was staged. The ability of the model to recognize these features was evaluated and compared with that of general dental practitioners. Results The overall classification accuracy of the model was 0.77, and the performance of the model varied for different tooth positions and categories; model classification was generally more accurate than that of general practitioners. Conclusions It is feasible to establish deep learning model for assessment and staging radiographic periodontal alveolar bone loss using two-stage architecture based on UNet and YOLO-v4.
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Affiliation(s)
- Linhong Jiang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, China
| | - Daqian Chen
- School of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, 310006, China
| | - Zheng Cao
- College of Computer Science and Technology, Zhejiang University, Hangzhou, 310006, China
| | - Fuli Wu
- School of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, 310006, China
| | - Haihua Zhu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, China.
| | - Fudong Zhu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, 310006, China.
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15
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Periodontopathic Microbiota and Atherosclerosis: Roles of TLR-Mediated Inflammation Response. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9611362. [PMID: 35295717 PMCID: PMC8920700 DOI: 10.1155/2022/9611362] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 02/22/2022] [Indexed: 02/06/2023]
Abstract
Atherosclerosis is a chronic inflammatory disease with a high prevalence worldwide, contributing to a series of adverse cardiovascular and cerebrovascular diseases. Periodontal disease induced by pathogenic periodontal microbiota has been well established as an independent factor of atherosclerosis. Periodontal microorganisms have been detected in atherosclerotic plaques. The high-risk microbiota dwelling in the subgingival pocket can stimulate local and systematic host immune responses and inflammatory cascade reactions through various signaling pathways, resulting in the development and progression of atherosclerosis. One often-discussed pathway is the Toll-like receptor-nuclear factor-κB (TLR-NF-κB) signaling pathway that plays a central role in the transduction of inflammatory mediators and the release of proinflammatory cytokines. This narrative review is aimed at summarizing and updating the latest literature on the association between periodontopathic microbiota and atherosclerosis and providing possible therapeutic ideas for clinicians regarding atherosclerosis prevention and treatment.
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16
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Huang N, Li C, Sun W, Yang Y, Tang Q, Xiao F. Association Between Chronic Periodontal Disease and Erectile Dysfunction: A Case-Control Study. Am J Mens Health 2022; 16:15579883221084798. [PMID: 35319301 PMCID: PMC8949704 DOI: 10.1177/15579883221084798] [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] [Indexed: 11/16/2022] Open
Abstract
Erectile dysfunction (ED) and chronic periodontal disease (CPD) share mutual risk factors, and the incidence of ED is increasing among young adults. The relation of CPD and ED remains obscure due to inconsistent clinical evidence. This study aimed to further assess the relationship between CPD and ED using the Community Periodontal Index of Treatment Need (CPITN) and the International Index of Erectile Function (IIEF). Totally, 202 adult men were included, with 100 subjects with ED in the case group and 102 subjects without ED undergoing routine dental examinations in the control group. The IIEF questionnaire was used to assess the severity of ED, and CPD was assessed through the Community Periodontal Index (CPI) score. Periodontal assessments were performed by one single calibrated examiner. Logistic regression analysis was performed for the association between CPD and ED. After adjustment for age, smoking status, tooth brushing time, education level, monthly income, tooth brushing frequency, and gum bleeding, higher CPI score was identified to be associated with a greater risk of ED (odds ratio [OR] = 2.755, 95% confidence interval [CI] = [1.400, 5.423], p = .003), suggesting that CPD was positively associated with the odds of ED. CPD was getting more severe with the progress of ED (p < .05). Men with ED could be encouraged to receive routine dental examinations and appropriate preventive dental measures to maintain oral and periodontal health.
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Affiliation(s)
- Nannan Huang
- Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Chanxiu Li
- Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Wenjuan Sun
- Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Yuhong Yang
- Department of Stomatology, Shenzhen University General Hospital, Shenzhen, Guangdong, P. R. China
| | - Qian Tang
- Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Feng Xiao
- Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
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17
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Czerniuk MR, Surma S, Romańczyk M, Nowak JM, Wojtowicz A, Filipiak KJ. Unexpected Relationships: Periodontal Diseases: Atherosclerosis-Plaque Destabilization? From the Teeth to a Coronary Event. BIOLOGY 2022; 11:272. [PMID: 35205138 PMCID: PMC8869674 DOI: 10.3390/biology11020272] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/01/2022] [Accepted: 02/04/2022] [Indexed: 02/06/2023]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) and periodontal disease (PD) are global health problems. High frequency of ASCVD is associated with the spread of many risk factors, including poor diet, sedentary lifestyle, diabetes, hyperlipidemia, obesity, smoking, hypertension, chronic kidney disease, hypertension, hyperhomocysteinemia, hyperuricemia, excessive stress, virus infection, genetic predisposition, etc. The pathogenesis of ASCVD is complex, while inflammation plays an important role. PD is a chronic, multifactorial inflammatory disease caused by dysbiosis of the oral microbiota, causing the progressive destruction of the bone and periodontal tissues surrounding the teeth. The main etiological factor of PD is the bacteria, which are capable of activating the immune response of the host inducing an inflammatory response. PD is associated with a mixed microbiota, with the evident predominance of anaerobic bacteria and microaerophilic. The "red complex" is an aggregate of three oral bacteria: Tannerella forsythia Treponema denticola and Porphyromonas gingivalis responsible for severe clinical manifestation of PD. ASCVD and PD share a number of risk factors, and it is difficult to establish a causal relationship between these diseases. The influence of PD on ASCVD should be treated as a factor increasing the risk of atherosclerotic plaque destabilization and cardiovascular events. The results of observational studies indicate that PD significantly increases the risk of ASCVD. In interventional studies, PD treatment was found to have a beneficial effect in the prevention and control of ASCVD. This comprehensive review summarizes the current knowledge of the relationship between PD and ASCVD.
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Affiliation(s)
- Maciej R. Czerniuk
- Department of Dental Surgery, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.R.C.); (J.M.N.); (A.W.)
| | - Stanisław Surma
- Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-752 Katowice, Poland;
| | - Monika Romańczyk
- Faculty of Medical Sciences in Katowice, Medical University of Silesia, 40-752 Katowice, Poland;
| | - Jacek M. Nowak
- Department of Dental Surgery, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.R.C.); (J.M.N.); (A.W.)
| | - Andrzej Wojtowicz
- Department of Dental Surgery, Medical University of Warsaw, 02-091 Warsaw, Poland; (M.R.C.); (J.M.N.); (A.W.)
| | - Krzysztof J. Filipiak
- Department of Clinical Sciences, Maria-Sklodowska-Curie Medical Academy, 03-411 Warsaw, Poland;
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18
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Martínez-García M, Castrejón-Pérez RC, Rodríguez-Hernández AP, Sandoval-Motta S, Vallejo M, Borges-Yáñez SA, Hernández-Lemus E. Incidence of Arterial Hypertension in People With Periodontitis and Characterization of the Oral and Subgingival Microbiome: A Study Protocol. Front Cardiovasc Med 2022; 8:763293. [PMID: 35071346 PMCID: PMC8776993 DOI: 10.3389/fcvm.2021.763293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 11/26/2021] [Indexed: 11/13/2022] Open
Abstract
Cardiovascular diseases are the leading cause of morbidity and mortality worldwide. High blood pressure in particular, continues to increase throughout the global population at an increasingly fast pace. The relationship between arterial hypertension and periodontitis has been recently discussed in the context of its origins and implications. Particularly relevant is the role of the periodontal microbiome linked to persistent local and systemic inflammation, along with other risk factors and social determinants of health. The present protocol will investigate/assess the association between periodontal disease and its microbiome on the onset of hypertension, within a cohort from Mexico City. One thousand two hundred twelve participants will be studied during a 60-month period. Studies will include analysis of periodontal conditions, sampling and sequencing of the salivary and subgingival microbiome, interviews on nutritional and lifestyle habits, social determinants of health, blood pressure and anthropometric measurements. Statistical associations and several classic epidemiology and machine learning approaches will be performed to analyze the data. Implications for the generation of public policy—by early public health interventions or epidemiological surveillance approaches—and for the population empowerment—via the establishment of primary prevention recommendations, highlighting the relationship between oral and cardiovascular health—will be considered. This latter set of interventions will be supported by a carefully planned science communication and health promotion strategy. This study has been registered and approved by the Research and Ethics Committee of the School of Dentistry, Universidad Nacional Autónoma de México (CIE/0308/05/2019) and the National Institute of Genomic Medicine (CEI/2020/12). The umbrella cohort was approved by the Institutional Bioethics Committee of the National Institute of Cardiology-Ignacio Chavez (INC-ICh) under code 13-802.
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Affiliation(s)
- Mireya Martínez-García
- Sociomedical Research Unit, Instituto Nacional de Cardiología Ignacio Chávez, México City, Mexico
| | | | - Adriana Patricia Rodríguez-Hernández
- Laboratory of Molecular Genetics, Graduate Studies and Research Division, School of Dentistry, Universidad Nacional Autónoma de México, México City, Mexico
| | - Santiago Sandoval-Motta
- Computational Genomics Division, Instituto Nacional de Medicina Genómica, México City, Mexico
- Cátedras CONACYT Consejo Nacional de Ciencia y Tecnología, México City, Mexico
- Center for Complexity Sciences, Universidad Nacional Autónoma de México, México City, Mexico
| | - Maite Vallejo
- Sociomedical Research Unit, Instituto Nacional de Cardiología Ignacio Chávez, México City, Mexico
- Maite Vallejo
| | - Socorro Aída Borges-Yáñez
- Dental Public Health Department, Graduate Studies and Research Division, School of Dentistry, Universidad Nacional Autónoma de México, México City, Mexico
- Socorro Aída Borges-Yáñez
| | - Enrique Hernández-Lemus
- Computational Genomics Division, Instituto Nacional de Medicina Genómica, México City, Mexico
- Center for Complexity Sciences, Universidad Nacional Autónoma de México, México City, Mexico
- *Correspondence: Enrique Hernández-Lemus
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19
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Chen X, Chen Y, Feng M, Huang X, Li C, Han F, Zhang Q, Gao X. Altered Salivary Microbiota in Patients with Obstructive Sleep Apnea Comorbid Hypertension. Nat Sci Sleep 2022; 14:593-607. [PMID: 35422668 PMCID: PMC9005082 DOI: 10.2147/nss.s347630] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 03/11/2022] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Microorganisms contribute to the pathogenesis of obstructive sleep apnea (OSA)-associated hypertension (HTN), while more studies focus on intestinal microbiome. However, the relationship between oral microbiota and OSA-associated HTN has yet to be elucidated. This study aimed to identify differences in salivary microbiota between patients with OSA comorbid HTN compared with OSA patients, and furthermore evaluate the relationship between oral microbiome changes and increased blood pressure in patients with OSA. PATIENTS AND METHODS This study collected salivary samples from 103 participants, including 27 healthy controls, 27 patients with OSA, 23 patients with HTN, and 26 patients with OSA comorbid HTN, to explore alterations of the oral microbiome using 16S rRNA gene V3-V4 high-throughput sequencing. And ultra-high-performance liquid chromatography was used for metabolomic analysis. RESULTS Alpha- and beta-diversity analyses revealed a substantial difference in community structure and diversity in patients with OSA comorbid HTN compared with patients with OSA or HTN. The relative abundance of the genus Actinomyces was significantly decreased in patients with HTN compared with healthy controls, and those with OSA concomitant HTN compared with the patients in OSA, but was not significantly different between patients with OSA and healthy controls. Linear discriminant analysis effect size and variance analysis also indicated that the genera Haemophilus, Neisseria, and Lautropia were enriched in HTN. In addition, Oribacterium was an unique taxa in the OSA comorbid HTN group compared with the control group. Metabolomic analysis of saliva identified compounds associated with cardiovascular disease in patients with OSA comorbid HTN.2-hydroxyadenine, was significantly increased in the group of patients with OSA compared with controls, and L-carnitine was significantly decreased in patients with OSA comorbid HTN compared with OSA patients. CONCLUSION This study highlighted noninvasive biomarkers for patients with OSA comorbid HTN. As the first study to find alterations of the salivary microbiome in patients with OSA comorbid HTN, it may provide a theoretical foundation for clinical diagnosis and treatment of this condition.
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Affiliation(s)
- Xuehui Chen
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Yanlong Chen
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Mengqi Feng
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Xin Huang
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China
| | - Changtao Li
- Department of Orthodontics, Beijing Haidian Hospital, Haidian Section of Peking University Third Hospital, Beijing, 100080, People's Republic of China
| | - Fang Han
- Sleep Medicine Center, Department of Respiratory and Critical Care Medicine, Peking University People's Hospital, Beijing, 100044, People's Republic of China
| | - Qian Zhang
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.,National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China
| | - Xuemei Gao
- Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China.,National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, 100081, People's Republic of China
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20
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A prospective interventional trial on the effect of periodontal treatment on Fusobacterium nucleatum abundance in patients with colorectal tumours. Sci Rep 2021; 11:23719. [PMID: 34887459 PMCID: PMC8660914 DOI: 10.1038/s41598-021-03083-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/26/2021] [Indexed: 12/09/2022] Open
Abstract
Fusobacterium nucleatum is associated with the progression of colorectal cancer. Thus, the possibility of preventing colorectal cancer or its progression by targeting F. nucleatum has been explored. As F. nucleatum is associated with periodontitis, we analysed whether treating periodontitis could influence F. nucleatum abundance in the colon. Patients with colorectal tumours who underwent colonoscopy were recruited. Patients diagnosed with periodontitis by a dentist were treated for approximately 3 months. Endoscopic resection of colorectal tumours was performed after periodontitis treatment, and resected tumours were pathologically classified as high-(HGD) or low-grade dysplasia (LGD). Saliva and stool samples were collected before and after the treatment. Of the 58 patients with colorectal tumours, 31 were included in the study, 16 showed improvement in periodontitis, and 11 showed no improvement. Stool F. nucleatum levels before treatment were significantly lower in the LGD group than in the HGD group. A significant decrease in faecal F. nucleatum levels was observed in patients who underwent successful treatment but not in those whose treatment failed. Salivary F. nucleatum levels were not altered in patients despite periodontal treatment. Thus, successful periodontitis treatment reduces stool F. nucleatum levels and may aid research on periodontitis and suppression of colorectal cancer development.
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Wang C, Li X, Cheng T, Sun H, Jin L. Eradication of Porphyromonas gingivalis Persisters Through Colloidal Bismuth Subcitrate Synergistically Combined With Metronidazole. Front Microbiol 2021; 12:748121. [PMID: 34745052 PMCID: PMC8565575 DOI: 10.3389/fmicb.2021.748121] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/24/2021] [Indexed: 12/31/2022] Open
Abstract
Microbial persisters enable the development of certain intrinsic strategies for survival with extreme tolerance to multiple antimicrobials. Porphyromonas gingivalis is considered to be the "keystone" periodontopathogen. Indeed, periodontitis, as a highly common inflammatory disease, is the major cause of severe tooth loss and edentulism in adults globally, and yet it is crucially involved in various systemic comorbidities like diabetes. We have recently revealed P. gingivalis persisters-induced perturbation of immuno-inflammatory responses and effective suppression of this key pathogen by bismuth drugs. This study further explored novel approaches to eradicating P. gingivalis persisters through synergistic combination of colloidal bismuth subcitrate (CBS) with traditional antibiotics. P. gingivalis (ATCC 33277) cells in planktonic and biofilm states were cultured to stationary phase, and then treated with metronidazole (100 mg/L), amoxicillin (100 mg/L), CBS, (100 μM) and combinations of these medications, respectively. Persister survival rate was calculated by colony-forming unit. Cell viability and cytotoxicity of CBS were assessed in human gingival epithelial cells (HGECs). Notably, CBS combined with metronidazole enabled the effective eradication of P. gingivalis persisters in planktonic mode, and nearly eliminated their existence in biofilm mode. Importantly, CBS exhibited no effects on the viability of HGECs, along with minimal cytotoxicity (<5%) even at a high concentration (400 μM). This pioneering study shows that P. gingivalis persisters could be well eliminated via the synergistic combination of CBS with metronidazole. Our findings may contribute to developing novel approaches to tackling periodontitis and inflammatory systemic comorbidities.
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Affiliation(s)
- Chuan Wang
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Xuan Li
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Tianfan Cheng
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - Hongzhe Sun
- Department of Chemistry, The University of Hong Kong, Hong Kong SAR, China
| | - Lijian Jin
- Division of Periodontology and Implant Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
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Ribeiro AB, da Silva TM, Santos-Júnior NN, Castania JA, Fazan R, Salgado HC. Short-term effect of ligature-induced periodontitis on cardiovascular variability and inflammatory response in spontaneously hypertensive rats. BMC Oral Health 2021; 21:515. [PMID: 34635094 PMCID: PMC8507371 DOI: 10.1186/s12903-021-01885-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/30/2021] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND We previously reported that periodontal disease (PD) induces high arterial pressure variability (APV) consistent with sympathetic overactivity and elicits myocardial inflammation in Balb/c mice. However, it is unknown whether PD can change APV and heart rate variability (HRV) in spontaneously hypertensive (SHR) and normotensive Wistar-Kyoto (WKY) rats. This study aimed to evaluate the hemodynamic level, HRV, and APV associating with myocardial inflammation and plasma concentrations of oxide nitric (NO) in SHR and WKY rats with PD. METHODS Three weeks after bilateral ligation of the first mandibular molar, or Sham operation, the rats received catheters into the femoral artery and had their arterial pressure (AP) recorded the following day. Subsequently, plasma, heart, and jaw were collected. The NO was quantified by the chemiluminescence method in plasma, and the myocardial IL-1β concentrations were evaluated by ELISA. In the jaw was evaluated linear alveolar bone loss induced by PD. RESULTS The linear alveolar bone loss in jaws of SHR with PD was higher than in all other groups. AP and heart rate were higher in SHR than in their WKY counterparts. SHR with PD showed lower AP than control SHR. HRV and APV were different between SHR and WKY rats; however, no differences in these parameters were found between the animals with PD and their control counterparts. Plasma NO and myocardial IL-1β concentrations were higher in SHR with PD as compared to control WKY. A significant correlation was found between linear alveolar bone loss and plasma NO and myocardial IL-1β concentrations. CONCLUSION Our results demonstrated that short-term PD lowered the AP in SHR, which might be due to the higher levels of plasma NO. Even though PD did not affect either HRV or APV, it did induce myocardial inflammation, which can determine cardiovascular dysfunction in long-term PD.
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Affiliation(s)
- Aline Barbosa Ribeiro
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Thais Marques da Silva
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Nilton Nascimento Santos-Júnior
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Jaci Airton Castania
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Rubens Fazan
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Helio Cesar Salgado
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, Ribeirão Preto, São Paulo, 14049-900, Brazil.
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Marcano R, Rojo MÁ, Cordoba-Diaz D, Garrosa M. Pathological and Therapeutic Approach to Endotoxin-Secreting Bacteria Involved in Periodontal Disease. Toxins (Basel) 2021; 13:533. [PMID: 34437404 PMCID: PMC8402370 DOI: 10.3390/toxins13080533] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 07/26/2021] [Indexed: 12/16/2022] Open
Abstract
It is widely recognized that periodontal disease is an inflammatory entity of infectious origin, in which the immune activation of the host leads to the destruction of the supporting tissues of the tooth. Periodontal pathogenic bacteria like Porphyromonas gingivalis, that belongs to the complex net of oral microflora, exhibits a toxicogenic potential by releasing endotoxins, which are the lipopolysaccharide component (LPS) available in the outer cell wall of Gram-negative bacteria. Endotoxins are released into the tissues causing damage after the cell is lysed. There are three well-defined regions in the LPS: one of them, the lipid A, has a lipidic nature, and the other two, the Core and the O-antigen, have a glycosidic nature, all of them with independent and synergistic functions. Lipid A is the "bioactive center" of LPS, responsible for its toxicity, and shows great variability along bacteria. In general, endotoxins have specific receptors at the cells, causing a wide immunoinflammatory response by inducing the release of pro-inflammatory cytokines and the production of matrix metalloproteinases. This response is not coordinated, favoring the dissemination of LPS through blood vessels, as well as binding mainly to Toll-like receptor 4 (TLR4) expressed in the host cells, leading to the destruction of the tissues and the detrimental effect in some systemic pathologies. Lipid A can also act as a TLRs antagonist eliciting immune deregulation. Although bacterial endotoxins have been extensively studied clinically and in a laboratory, their effects on the oral cavity and particularly on periodontium deserve special attention since they affect the connective tissue that supports the tooth, and can be linked to advanced medical conditions. This review addresses the distribution of endotoxins associated with periodontal pathogenic bacteria and its relationship with systemic diseases, as well as the effect of some therapeutic alternatives.
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Affiliation(s)
- Rosalia Marcano
- Department of Cell Biology, Histology and Pharmacology, Faculty of Medicine and INCYL, University of Valladolid, 47005 Valladolid, Spain;
| | - M. Ángeles Rojo
- Area of Experimental Sciences, Miguel de Cervantes European University, 47012 Valladolid, Spain;
| | - Damián Cordoba-Diaz
- Area of Pharmaceutics and Food Technology, Faculty of Pharmacy, and IUFI, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Manuel Garrosa
- Department of Cell Biology, Histology and Pharmacology, Faculty of Medicine and INCYL, University of Valladolid, 47005 Valladolid, Spain;
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Stember JN, Moonis G, Silva C. Panoramic Dental Reconstruction for Faster Detection of Dental Pathology on Medical Non-dental CT Scans: a Proof of Concept from CT Neck Soft Tissue. J Digit Imaging 2021; 34:959-966. [PMID: 34258670 DOI: 10.1007/s10278-021-00481-y] [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: 09/15/2020] [Revised: 05/26/2021] [Accepted: 06/21/2021] [Indexed: 11/30/2022] Open
Abstract
Even though teeth are often included in the field of view for a variety of medical CT studies, dental pathology is often missed by radiologists. Given the myriad morbidity and occasional mortality associated with sequelae of dental pathology, an important goal is to decrease these false negatives. However, given the ever-increasing volume of cases studies that radiologists have to read and the number of structures and diseases they have to evaluate, it is important not to place undue time restraints on the radiologist to this end. We hypothesized that generating panoramic dental radiographs from non-dental CT scans can permit identification of key diseases, while not adding much time to interpretation. The key advantage of panoramic dental radiographs is that they display the plane of the teeth in two dimensions, thereby facilitating fast and accurate assessment. We found that interpreting panoramic radiographic reconstructions compared to the full CT volumes reduced time-to-diagnosis of key dental pathology on average by roughly a factor of four. This expedition was statistically significant, and the average time-to-diagnosis for panoramic reconstructions was on the order of seconds, without a loss in accuracy compared to full CT. As such, we posit that panoramic reconstruction can serve as a one-slice additional series in any CT image stack that includes the teeth in its field of view.
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Affiliation(s)
- Joseph N Stember
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Ave, New York City, NY, 10065, USA.
| | - Gul Moonis
- Department of Radiology, Columbia University Medical Center, 180 Fort Washington Avenue, New York City, NY, 10032, USA
| | - Cleber Silva
- College of Dental Medicine, Columbia University Medical Center, 180 Fort Washington Avenue, New York City, NY, 10032, USA
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Salivary Pro-Inflammatory Markers and Smoking Status Influences the Treatment Effectiveness of Periodontal Disease Patients with Hypertension. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147364. [PMID: 34299815 PMCID: PMC8305443 DOI: 10.3390/ijerph18147364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/24/2021] [Accepted: 07/06/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Hypertension and periodontal diseases share several risk factors. Inflammation biomarkers in saliva are related to hypertension and periodontal disease. The aim of this study was to explore the role of the salivary inflammatory biomarkers in the treatment effectiveness of patients with hypertension and periodontal disease. METHODS This observational study enrolled 160 subjects diagnosed with periodontitis, 40 of which had a history of hypertension. All subjects had completed scaling and root planning therapeutic procedures within four weeks. The clinical periodontal parameters (i.e., bleeding on probing, plaque control record (PCR), and probing depth (PD)) were evaluated before and after the treatment. Pro-inflammatory markers were determined using a commercial kit. RESULTS The recovery rate (PD 4-9 mm) in non-hypertensive subjects was significantly higher than in hypertensive subjects (60.47% vs. 52.60%, respectively; p = 0.04). All clinical parameters, excluding PCR, positively correlated with salivary IL-1β at baseline and after completing treatment. Our results showed that increased salivary IL-1β levels were positively associated with decreased PCR (β = -27.65 and p = 0.05) and PD recovery rate (β = -17.05 and p = 0.02) in hypertensive subjects. CONCLUSIONS The present study sheds important light on the clinical use of salivary pro-inflammatory cytokines as valuable biomarkers for predicting the treatment effectiveness of patients suffering from hypertension and periodontitis.
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Moritz E, Jedlitschky G, Negnal J, Tzvetkov MV, Daum G, Dörr M, Felix SB, Völzke H, Nauck M, Schwedhelm E, Meisel P, Kocher T, Rauch BH, Holtfreter B. Increased Sphingosine-1-Phosphate Serum Concentrations in Subjects with Periodontitis: A Matter of Inflammation. J Inflamm Res 2021; 14:2883-2896. [PMID: 34234513 PMCID: PMC8256099 DOI: 10.2147/jir.s302117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/14/2021] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Periodontitis is an inflammatory disease of the oral cavity with an alarmingly high prevalence within the adult population. The signaling lipid sphingosine-1-phosphate (S1P) plays a crucial role in inflammatory and immunomodulatory responses. In addition to cardiovascular disease, sepsis and tumor entities, S1P has been recently identified as both mediator and biomarker in osteoporosis. We hypothesized that S1P may play a role in periodontitis as an inflammation-prone bone destructive disorder. The goal of our study was to evaluate associations between periodontitis and S1P serum concentrations in the Study of Health in Pomerania (SHIP)-Trend cohort. In addition, we investigated the expression of S1P metabolizing enzymes in inflamed gingival tissue. PATIENTS AND METHODS We analyzed data from 3371 participants (51.6% women) of the SHIP-Trend cohort. Periodontal parameters and baseline characteristics were assessed. Serum S1P was measured by liquid chromatography tandem mass spectrometry. The expression of S1P metabolizing enzymes was determined by immunofluorescence staining of human gingival tissue. RESULTS S1P serum concentrations were significantly increased in subjects with both moderate and severe periodontitis, assessed as probing depth and clinical attachment loss. In contrast, no significant association of S1P was seen with caries variables (number and percentage of decayed or filled surfaces). S1P concentrations significantly increased with increasing high-sensitivity C-reactive protein (hs-CRP) levels. Interestingly, inflamed compared to normal human gingival tissue exhibited elevated expression levels of the S1P-generating enzyme sphingosine kinase 1 (SphK1). CONCLUSION We report an intriguingly significant association of various periodontal parameters with serum levels of the inflammatory lipid mediator S1P. Our data point towards a key role of S1P during periodontitis pathology. Modulation of local S1P levels or its signaling properties may represent a potential future therapeutic strategy to prevent or to retard periodontitis progression and possibly reduce periodontitis-related tooth loss.
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Affiliation(s)
- Eileen Moritz
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Greifswald, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
| | - Gabriele Jedlitschky
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Greifswald, Germany
| | - Josefine Negnal
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Greifswald, Germany
| | - Mladen V Tzvetkov
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Greifswald, Germany
| | - Günter Daum
- Clinic and Polyclinic for Vascular Medicine, University Heart Center, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Marcus Dörr
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of Internal Medicine B, University Medicine Greifswald, Greifswald, Germany
| | - Stephan B Felix
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of Internal Medicine B, University Medicine Greifswald, Greifswald, Germany
| | - Henry Völzke
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Matthias Nauck
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Edzard Schwedhelm
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Humburg, Germany
| | - Peter Meisel
- Dental Clinics, Department of Periodontology, University Medicine Greifswald, Greifswald, Germany
| | - Thomas Kocher
- Dental Clinics, Department of Periodontology, University Medicine Greifswald, Greifswald, Germany
| | - Bernhard H Rauch
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Greifswald, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Carl von Ossietzky Universität Oldenburg, Department of Human Medicine, Section of Pharmacology and Toxicology, Oldenburg, Germany
| | - Birte Holtfreter
- Dental Clinics, Department of Periodontology, University Medicine Greifswald, Greifswald, Germany
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Identification of Periopathogens in Atheromatous Plaques Obtained from Carotid and Coronary Arteries. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9986375. [PMID: 34222492 PMCID: PMC8225426 DOI: 10.1155/2021/9986375] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 05/23/2021] [Accepted: 06/08/2021] [Indexed: 01/14/2023]
Abstract
Increasing attention has been paid to the possible link between periodontal disease and atherosclerosis over the past decade. The aim of this study is to investigate the presence of five periopathogens: Porphyromonas gingivalis (P.g.), Aggregatibacter actinomycetemcomitans (A.a.), Tannerella forsythia (T.f.), Treponema denticola (T.d.), and Prevotella intermedia (P.i.) in atheromatous plaques obtained from the carotid and coronary arteries in patients who underwent coronary artery bypass graft surgery and carotid endarterectomy. Group I (carotid arteries) consisted of 30 patients (mean age: 54.5 ± 14.8), and group II (coronary arteries) consisted of 28 patients (mean age: 63 ± 12.1). Clinical periodontal examinations consisted of plaque index, gingival index, sulcus bleeding index, and periodontal probing depth and were performed on the day of vascular surgery. The presence of periopathogens in periodontal pockets and atherosclerotic vessels was detected using polymerase chain reaction. In both subgingival plaque and atherosclerotic plaque of carotid arteries, P.g., A.a., T.f., T.d., and P.i. were detected in 26.7%, 6.7%, 66.7%, 10.0%, and 20.0%, respectively, while for coronary arteries, P.g. was detected in 39.3%, A.a. in 25%, T.f. in 46.4%, T.d. in 7.1%, and P.i. in 35.7%. The presence of five periopathogens in carotid and coronary atherosclerotic vessels showed correlation in regard to the degree of periodontal inflammation. The present study suggests the relationship between periodontal pathogenic bacteria and atherogenesis. Further studies are necessary in relation to the prevention or treatment of periodontal disease that would result in reduced mortality and morbidity associated with atherosclerosis.
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Rho JH, Kim HJ, Joo JY, Lee JY, Lee JH, Park HR. Periodontal Pathogens Promote Foam Cell Formation by Blocking Lipid Efflux. J Dent Res 2021; 100:1367-1377. [PMID: 33899578 DOI: 10.1177/00220345211008811] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Foam cells are one of the major cellular components of atherosclerotic plaques, within which the trace of periodontal pathogens has also been identified in recent studies. In line with these findings, the correlation between periodontitis and atherosclerotic cardiovascular incidences has been repetitively supported by evidence from a number of experimental studies. However, the direct role of periodontal pathogens in altered cellular signaling underlying such cardiovascular events has not been clearly defined. To determine the role of periodontal pathogens in the pathogenesis of atherosclerosis, especially in the evolution of macrophages into foam cells, we monitored the pattern of lipid accumulation within macrophages in the presence of periodontal pathogens, followed by characterization of these lipids and investigation of major molecules involved in lipid homeostasis. The cells were stained with the lipophilic fluorescent dye BODIPY 493/503 and Oil Red O to characterize the lipid profile. The amounts of Oil Red O-positive droplets, representing neutral lipids, as well as fluorescent lipid aggregates were prominently increased in periodontal pathogen-infected macrophages. Subsequent analysis allowed us to locate the accumulated lipids in the endoplasmic reticulum. In addition, the levels of cholesteryl ester in periodontal pathogen-infected macrophages were increased, implying disrupted lipid homeostasis. Further investigations to delineate the key messengers and regulatory factors involved in the altered lipid homeostasis have revealed alterations in cholesterol efflux-related enzymes, such as ABCG1 and CYP46A1, as contributors to foam cell formation, and increased Ca2+ signaling and reactive oxygen species (ROS) production as key events underlying disrupted lipid homeostasis. Consistently, a treatment of periodontal pathogen-infected macrophages with ROS inhibitors and nifedipine attenuated the accumulation of lipid droplets, further confirming periodontal pathogen-induced alterations in Ca2+ and ROS signaling and the subsequent dysregulation of lipid homeostasis as key regulatory events underlying the evolution of macrophages into foam cells.
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Affiliation(s)
- J H Rho
- Department of Oral Pathology and BK21 FOUR Project, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
- Department of Periodontology, School of Dentistry, Pusan National University, Pusan National University Dental Hospital, Yangsan, Republic of Korea
| | - H J Kim
- Department of Oral Pathology and BK21 FOUR Project, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
- Department of Periodontology, School of Dentistry, Pusan National University, Pusan National University Dental Hospital, Yangsan, Republic of Korea
| | - J Y Joo
- Department of Periodontology, School of Dentistry, Pusan National University, Pusan National University Dental Hospital, Yangsan, Republic of Korea
- Periodontal Disease Signaling Network Research Center, Dental & Life Science Institute, Pusan National University, Yangsan, Republic of Korea
| | - J Y Lee
- Department of Periodontology, School of Dentistry, Pusan National University, Pusan National University Dental Hospital, Yangsan, Republic of Korea
- Periodontal Disease Signaling Network Research Center, Dental & Life Science Institute, Pusan National University, Yangsan, Republic of Korea
| | - J H Lee
- Department of Oral Pathology and BK21 FOUR Project, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
- Periodontal Disease Signaling Network Research Center, Dental & Life Science Institute, Pusan National University, Yangsan, Republic of Korea
| | - H R Park
- Department of Oral Pathology and BK21 FOUR Project, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
- Periodontal Disease Signaling Network Research Center, Dental & Life Science Institute, Pusan National University, Yangsan, Republic of Korea
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Yang Y, He X, Xia S, Liu F, Luo L. Porphyromonas gingivalis facilitated the foam cell formation via lysosomal integral membrane protein 2 (LIMP2). J Periodontal Res 2021; 56:265-274. [PMID: 33372271 DOI: 10.1111/jre.12812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 08/28/2020] [Accepted: 09/16/2020] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The involvement of lysosomal integral membrane protein 2 (LIMP2) in cholesterol transport and formation of foam cells under the infection of Porphyromonas gingivalis (P. gingivalis) is yet to be elucidated. The current study verified the role and explored the mechanism of LIMP2 in promoting foam cell formation by P. gingivalis. BACKGROUND An association between periodontitis and atherosclerosis (AS) has been established. P. gingivalis is a key pathogen of periodontitis that promotes foam cell formation by regulating activities of CD36 scavenger receptors expressed on the macrophages. LIMP2, a member of CD36 superfamily, is involved in cholesterol efflux. However, whether LIMP2 is involved in the formation of foam cells promoted by P. gingivalis remains unclear. METHODS The formation of foam cells was examined by Oil Red O staining. The knockdown of limp2 was identified by qRT-PCR. The accumulation of cholesterol was monitored by Cholesterol Assay Kit. The location of P. gingivalis was visualized by confocal microscopy. Cathepsin L activity was monitored with Magic Red Cathepsin L Assay Kit. The key genes and pathways in P. gingivalis-infected macrophages were explored by RNA sequencing. The protein level was investigated by Western blotting. RESULTS Porphyromonas gingivalis increases foam cells formation and upregulates the expression of LIMP2 in foam cells. The knockdown of limp2 decreases the number of foam cells and increases cholesterol export, which is related to lysosomal functions. In addition, the interaction between LIMP2 and caveolin-1(CAV1) might contribute to this process, and NF-κB and JNK activity is required for increased expression of P. gingivalis-induced LIMP2. CONCLUSIONS This study suggested that LIMP2 is involved in the foam cells formation facilitated by P. gingivalis, which favors a close connection between periodontitis and atherosclerosis (AS).
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Affiliation(s)
- Yanan Yang
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Periodontics, School of Stomatology, Tongji University, Shanghai, China
| | - Xiaoli He
- Dental Diseases Prevention & Treatment Center of Jiading District, Shanghai, China
| | - Siying Xia
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Periodontics, School of Stomatology, Tongji University, Shanghai, China
| | - Feng Liu
- Shanghai Key Laboratory of Sleep Disordered Breathing, Department of Otolaryngology, Therapy Center for Obstructive Sleep Apnea, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lijun Luo
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Periodontics, School of Stomatology, Tongji University, Shanghai, China
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Periodontitis and Cytomegalovirus Associate With Atherosclerosis Among HIV Patients After 5 Years on ART. J Acquir Immune Defic Syndr 2021; 85:195-200. [PMID: 32541382 DOI: 10.1097/qai.0000000000002417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Atherosclerosis has been linked with periodontitis in the general population and with persistent immune activation and a high burden of cytomegalovirus (CMV) in HIV patients responding to antiretroviral therapy (ART). Here, we assess risk factors for cardiovascular changes in younger HIV patients representative of patient populations in Asia. STUDY DESIGN HIV-infected adults (n = 82) with <200 CD4 T-cells/μl were examined as they began ART at Cipto Mangunkusumo Hospital, Jakarta, and after 3 months. 32 patients were re-assessed after 5 years, alongside 32 age-matched healthy controls. METHODS We assessed the community periodontal index of treatment needs, carotid -thickness (cIMT), plasma markers of immune activation (using commercial enzyme-linked immunosorbent assay) and CMV antibodies by in-house enzyme-linked immunosorbent assay. RESULTS Periodontitis persisted in 16/32 patients after 5 years and was potentiated by greater age (P = 0.03) and poor oral hygiene (P = 0.05), with no effect of smoking, pulmonary tuberculosis, oral candidiasis, or low CD4 T-cell counts (P > 0.05). After 5 years on ART, right and left cIMT were greater in HIV patients with periodontitis (P = 0.02, 0.006, respectively). Moreover, cIMT values were higher in patients with periodontitis (P = 0.05-0.01) than in equivalent controls. Simple linear regressions showed that patients with periodontitis had greater right (P = 0.01) and left (P = 0.004) cIMT than those without periodontitis. Multiple linear regressions showed that periodontitis and CMV antibody levels optimally predicted poor right and left cIMT (Adjusted R = 0.36, P = 0.0013; Adjusted R = 0.40, P = 0.001, respectively). CONCLUSIONS Our data identify periodontitis and CMV as independent predictors of atherosclerosis in young adult HIV patients.
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Are occupational and environmental noises associated with periodontitis? Evidence from a Korean representative cross-sectional study. BMC Public Health 2021; 21:616. [PMID: 33781265 PMCID: PMC8008658 DOI: 10.1186/s12889-021-10672-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/18/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Evidences have shown that noise could be a risk factor for cardiovascular and metabolic diseases. Since periodontitis and CVD are characterized by inflammation, it is reasonable to doubt that occupational/environmental noise is a risk factor for periodontitis. The aim of this study was to examine the relationship between occupational/environmental noise and periodontitis in a nationally representative sample of Korean adults. METHODS This cross-sectional study used data from the 7th Korean National Health and Nutrition Examination Survey. The study sample included 8327 adults aged 40 to 80 years old. Noise exposure and the duration of the exposure were assessed with self-report questionnaires. The dependent variable was periodontitis. Age, gender, place of residence, income, marital status, smoking, frequency of daily tooth brushing, recent dental checkup, and diabetes were included as covariates. Logistic regression analyses estimated the association between noise exposure and periodontitis. RESULTS Those who were exposed to environmental noise during their lifetime had an increased prevalence of severe periodontitis (odds ratio [OR] 1.88; 95% confidence interval [CI] 1.05 to 3.40), and this association was strengthened as the duration of the environmental noise exposure was longer (OR of > 120 months 2.35 and OR of ≤120 months 1.49). There was a combined relationship for severe periodontitis between occupational and environmental noise exposure (OR of both exposures 2.62, OR of occupational exposure only 1.12, and OR of environmental exposure only 1.57). CONCLUSION Our study shows that noise exposure is associated with periodontitis, and the association was higher in the synergism between occupational and environmental interaction.
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Dimitriu T, Bolfa P, Suciu S, Cimpean A, Daradics Z, Catoi C, Armencea G, Baciut G, Bran S, Dinu C, Baciut M. Grape Seed Extract Reduces the Degree of Atherosclerosis in Ligature-Induced Periodontitis in Rats - An Experimental Study. J Med Life 2021; 13:580-586. [PMID: 33456610 PMCID: PMC7803317 DOI: 10.25122/jml-2020-0177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The associations between periodontitis and cardiovascular diseases have been intensely studied in recent years. Oxidative stress is involved in the initiation and both progression of periodontitis and atherosclerosis. Antioxidants can reduce the effects of oxidative stress on inflammatory diseases. Our aim was to measure the effects of a grape seed extract (GSE), rich in antioxidants, on atherosclerosis caused by ligature-induced periodontitis in rats. Thirty male Wistar rats were randomly divided into three groups of 10: control group, periodontitis group, and periodontitis group treated with GSE (GSE group). Periodontitis was induced by placing an orthodontic wire around the cervix of the first mandibular molar and keeping it in place for 4 weeks. On days 1, 7 and 28, blood samples were taken to assess oxidative stress and inflammation markers (malondialdehyde and glutathione - MDA, reduced glutathione - GSH, C reactive protein) and lipids. After 4 weeks, the animals were euthanized, and aortas were collected for histopathologic examination. MDA was significantly higher in Periodontitis group compared to the other groups only at day 7. GSH was significantly increased in the Control and GSE groups on days 1 and 7, compared to Periodontitis group and on day 28 higher in GSE vs. Periodontitis groups. C reactive protein was significantly increased in the Periodontitis group on days 1 and 7 compared to both groups. Cholesterol was significantly decreased in the aortas of GSE group at day 28 compared to the Periodontitis group. Oral administration of a grape seed extract reduces the oxidative stress, inflammation and atherosclerosis in a rat model of ligature-induced periodontitis.
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Affiliation(s)
- Tudor Dimitriu
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Pompei Bolfa
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania.,Department of Biomedical Sciences, Ross University School of Veterinary Medicine, Basseterre, Saint Kitts and Nevis
| | - Soimita Suciu
- Department of Physiology, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Adrian Cimpean
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Zsofia Daradics
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Cornel Catoi
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Gabriel Armencea
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Grigore Baciut
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Simion Bran
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cristian Dinu
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihaela Baciut
- Department of Oral and Maxillofacial Surgery, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Paul O, Arora P, Mayer M, Chatterjee S. Inflammation in Periodontal Disease: Possible Link to Vascular Disease. Front Physiol 2021; 11:609614. [PMID: 33519515 PMCID: PMC7841426 DOI: 10.3389/fphys.2020.609614] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/21/2020] [Indexed: 12/12/2022] Open
Abstract
Inflammation is a well-organized protective response to pathogens and consists of immune cell recruitment into areas of infection. Inflammation either clears pathogens and gets resolved leading to tissue healing or remains predominantly unresolved triggering pathological processes in organs. Periodontal disease (PD) that is initiated by specific bacteria also triggers production of inflammatory mediators. These processes lead to loss of tissue structure and function. Reactive oxygen species and oxidative stress play a role in susceptibility to periodontal pathogenic bacterial infections. Periodontal inflammation is a risk factor for systemic inflammation and eventually cardiovascular disease (CVD). This review discusses the role of inflammation in PD and its two way association with other health conditions such as diabetes and CVD. Some of the mechanisms underpinning the links between inflammation, diabetes, CVD and PD are also discussed. Finally, we review available epidemiological data and other reports to assess possible links between oral health and CVD.
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Affiliation(s)
- Oindrila Paul
- Institute for Environmental Medicine, Department of Physiology, University of Pennsylvania School of Medicine, Philadelphia, PA, United States
| | - Payal Arora
- Early-Research Oral Care, Colgate-Palmolive Company, Piscataway, NJ, United States
| | - Michael Mayer
- Department of Radiology, University of Pennsylvania School of Medicine, Philadelphia, PA, United States
| | - Shampa Chatterjee
- Institute for Environmental Medicine, Department of Physiology, University of Pennsylvania School of Medicine, Philadelphia, PA, United States
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Leszek J, Mikhaylenko EV, Belousov DM, Koutsouraki E, Szczechowiak K, Kobusiak-Prokopowicz M, Mysiak A, Diniz BS, Somasundaram SG, Kirkland CE, Aliev G. The Links between Cardiovascular Diseases and Alzheimer's Disease. Curr Neuropharmacol 2021; 19:152-169. [PMID: 32727331 PMCID: PMC8033981 DOI: 10.2174/1570159x18666200729093724] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 06/02/2020] [Accepted: 07/16/2020] [Indexed: 12/17/2022] Open
Abstract
The root cause of non-inherited Alzheimer's disease (AD) remains unknown despite hundreds of research studies performed to attempt to solve this problem. Since proper prophylaxis remains the best strategy, many scientists have studied the risk factors that may affect AD development. There is robust evidence supporting the hypothesis that cardiovascular diseases (CVD) may contribute to AD progression, as the diseases often coexist. Therefore, a lack of well-defined diagnostic criteria makes studying the relationship between AD and CVD complicated. Additionally, inflammation accompanies the pathogenesis of AD and CVD, and is not only a consequence but also implicated as a significant contributor to the course of the diseases. Of note, АроЕε4 is found to be one of the major risk factors affecting both the cardiovascular and nervous systems. According to genome wide association and epidemiological studies, numerous common risk factors have been associated with the development of AD-related pathology. Furthermore, the risk of developing AD and CVDs appears to be increased by a wide range of conditions and lifestyle factors: hypertension, dyslipidemia, hypercholesterolemia, hyperhomocysteinemia, gut/oral microbiota, physical activity, and diet. This review summarizes the literature and provides possible mechanistic links between CVDs and AD.
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Affiliation(s)
- Jerzy Leszek
- Address correspondence to these authors at the Department of Psychiatry, Wrocław Medical University, Ul. Pasteura 10, 50-367, Wroclaw, Poland;, E-mail: and GALLY International Research Institute, 7733 Louis Pasteur Drive, #330, San Antonio, TX 78229, USA; Tel: +1-210-442-8625 or +1-440-263-7461; E-mails: ,
| | | | | | | | | | | | | | | | | | | | - Gjumrakch Aliev
- Address correspondence to these authors at the Department of Psychiatry, Wrocław Medical University, Ul. Pasteura 10, 50-367, Wroclaw, Poland;, E-mail: and GALLY International Research Institute, 7733 Louis Pasteur Drive, #330, San Antonio, TX 78229, USA; Tel: +1-210-442-8625 or +1-440-263-7461; E-mails: ,
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Infection of Porphyromonas gingivalis Increases Phosphate-Induced Calcification of Vascular Smooth Muscle Cells. Cells 2020; 9:cells9122694. [PMID: 33334022 PMCID: PMC7765351 DOI: 10.3390/cells9122694] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 12/15/2022] Open
Abstract
Accumulating evidence suggests a link between periodontal disease and cardiovascular diseases. Vascular calcification is the pathological precipitation of phosphate and calcium in the vasculature and is closely associated with increased cardiovascular risk and mortality. In this study, we have demonstrated that the infection with Porphyromonas gingivalis (P. gingivalis), one of the major periodontal pathogens, increases inorganic phosphate-induced vascular calcification through the phenotype transition, apoptosis, and matrix vesicle release of vascular smooth muscle cells. Moreover, P. gingivalis infection accelerated the phosphate-induced calcium deposition in cultured rat aorta ex vivo. Taken together, our findings indicate that P. gingivalis contributes to the periodontal infection-related vascular diseases associated with vascular calcification.
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Lack of association between Mannose Binding Lectin-2 gene polymorphisms and periodontitis: A meta-analysis. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Ribeiro AB, Brognara F, da Silva JF, Castania JA, Fernandes PG, Tostes RC, Salgado HC. Carotid sinus nerve stimulation attenuates alveolar bone loss and inflammation in experimental periodontitis. Sci Rep 2020; 10:19258. [PMID: 33159128 PMCID: PMC7648828 DOI: 10.1038/s41598-020-76194-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/23/2020] [Indexed: 12/12/2022] Open
Abstract
Baroreceptor and chemoreceptor reflexes modulate inflammatory responses. However, whether these reflexes attenuate periodontal diseases has been poorly examined. Thus, the present study determined the effects of electrical activation of the carotid sinus nerve (CSN) in rats with periodontitis. We hypothesized that activation of the baro and chemoreflexes attenuates alveolar bone loss and the associated inflammatory processes. Electrodes were implanted around the CSN, and bilateral ligation of the first mandibular molar was performed to, respectively, stimulate the CNS and induce periodontitis. The CSN was stimulated daily for 10 min, during nine days, in unanesthetized animals. On the eighth day, a catheter was inserted into the left femoral artery and, in the next day, the arterial pressure was recorded. Effectiveness of the CNS electrical stimulation was confirmed by hypotensive responses, which was followed by the collection of a blood sample, gingival tissue, and jaw. Long-term (9 days) electrical stimulation of the CSN attenuated bone loss and the histological damage around the first molar. In addition, the CSN stimulation also reduced the gingival and plasma pro-inflammatory cytokines induced by periodontitis. Thus, CSN stimulation has a protective effect on the development of periodontal disease mitigating alveolar bone loss and inflammatory processes.
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Affiliation(s)
- Aline Barbosa Ribeiro
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP, 14049-900, Brazil
| | - Fernanda Brognara
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP, 14049-900, Brazil
| | - Josiane Fernandes da Silva
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Jaci Airton Castania
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP, 14049-900, Brazil
| | | | - Rita C Tostes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Helio Cesar Salgado
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes, 3900, Ribeirão Preto, SP, 14049-900, Brazil.
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Jones MM, Vanyo ST, Ibraheem W, Maddi A, Visser MB. Treponema denticola stimulates Oncostatin M cytokine release and de novo synthesis in neutrophils and macrophages. J Leukoc Biol 2020; 108:1527-1541. [PMID: 32678942 PMCID: PMC8265777 DOI: 10.1002/jlb.4ma0620-072rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 06/11/2020] [Accepted: 06/12/2020] [Indexed: 12/15/2022] Open
Abstract
Oncostatin M (OSM) is a pleiotropic cytokine elevated in a number of inflammatory conditions including periodontal disease. OSM is produced by a variety of immune cells and has diverse functionality such as regulation of metabolic processes, cell differentiation, and the inflammatory response to bacterial pathogens. The oral cavity is under constant immune surveillance including complementary neutrophil and macrophage populations, due to a persistent symbiotic bacterial presence. Periodontal disease is characterized by a dysbiotic bacterial community, with an abundance of Treponema denticola. Despite strong associations with severe periodontal disease, the source and mechanism of the release of OSM have not been defined in the oral cavity. We show that OSM protein is elevated in the gingival epithelium and immune cell infiltrate during periodontal disease. Furthermore, salivary and oral neutrophil OSM is elevated in correlation with the presence of T. denticola. In an air pouch infection model, T. denticola stimulated higher levels of OSM than the oral pathogen Porphorymonas gingivalis, despite differential recruitment of innate immune cells suggesting T. denticola has distinct properties to elevate OSM levels. OSM release and transcription were increased in isolated human blood, oral neutrophils, or macrophages exposed to T. denticola in vitro as measured by ELISA, qPCR, and microscopy. Using transcription, translation, and actin polymerization inhibition, we found that T. denticola stimulates both OSM release through degranulation and de novo synthesis in neutrophils and also OSM release and synthesis in macrophages. Differential induction of OSM by T. denticola may promote clinical periodontal disease.
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Affiliation(s)
- Megan M Jones
- Department of Oral Biology, University at Buffalo, The State University of New York, Buffalo, New York, USA
| | - Stephen T Vanyo
- Department of Oral Biology, University at Buffalo, The State University of New York, Buffalo, New York, USA
| | - Wael Ibraheem
- Department of Periodontics and Endodontics, University at Buffalo, The State University of New York, Buffalo, New York, USA
| | - Abhiram Maddi
- Department of Periodontics and Endodontics, University at Buffalo, The State University of New York, Buffalo, New York, USA
- Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Michelle B Visser
- Department of Oral Biology, University at Buffalo, The State University of New York, Buffalo, New York, USA
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Moonen CGJ, Buurma KGD, Faruque MRJ, Balta MG, Liefferink E, Bizzarro S, Nicu EA, Loos BG. Periodontal therapy increases neutrophil extracellular trap degradation. Innate Immun 2020; 26:331-340. [PMID: 31757174 PMCID: PMC7903525 DOI: 10.1177/1753425919889392] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/20/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022] Open
Abstract
In periodontitis, polymorphonuclear leucocytes (PMNs) are activated. They entrap and eliminate pathogens by releasing neutrophil extracellular traps (NETs). Abnormal NET degradation is part of a pro-inflammatory status, affecting co-morbidities such as cardiovascular disease. We aimed to investigate the ex vivo NET degradation capacity of plasma from periodontitis patients compared to controls (part 1) and to quantify NET degradation before and after periodontal therapy (part 2). Fresh NETs were obtained by stimulating blood-derived PMNs with phorbol 12-myristate 13-acetate. Plasma samples from untreated periodontitis patients and controls were incubated for 3 h onto freshly generated NETs (part 1). Similarly, for part 2, NET degradation was studied for 91 patients before and 3, 6 and 12 mo after non-surgical periodontal therapy with and without adjunctive systemic antibiotics. Finally, NET degradation was fluorospectrometrically quantified. NET degradation levels did not differ between periodontitis patients and controls, irrespective of subject-related background characteristics. NET degradation significantly increased from 65.6 ± 1.7% before periodontal treatment to 75.7 ± 1.2% at 3 mo post periodontal therapy, and this improvement was maintained at 6 and 12 mo, irrespective of systemic usage of antibiotics. Improved NET degradation after periodontitis treatment is another systemic biomarker reflecting a decreased pro-inflammatory status, which also contributes to an improved cardiovascular condition.
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Affiliation(s)
- Carolyn GJ Moonen
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
| | - Kirsten GD Buurma
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
| | - Mouri RJ Faruque
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
| | - Maria G Balta
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
- Department of Oral Biology, University of Oslo, Norway
| | - Erol Liefferink
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
| | - Sergio Bizzarro
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
| | - Elena A Nicu
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
- CMI Dr. Opris M.I., Romania
| | - Bruno G Loos
- Department of Periodontology, Academic Centre for Dentistry
Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, The
Netherlands
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Teixeira FCF, Marin-Leon L, Gomes EP, PedrÃo AMN, Pereira ADC, Francisco PMSB. Relationship between periodontitis and subclinical risk indicators for chronic non-communicable diseases. Braz Oral Res 2020; 34:e058. [PMID: 32578801 DOI: 10.1590/1807-3107bor-2020.vol34.0058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 04/19/2020] [Indexed: 11/21/2022] Open
Abstract
In view of the epidemiological relevance of periodontal disease and chronic noncommunicable diseases, the study aimed to evaluate the relationship between them through subclinical indicators of systemic risk in a population group with healthy habits, including alcohol and tobacco abstinence. A complete periodontal examination of six sites per tooth was performed in a sample of 420 participants from the Advento study (Sao Paulo), submitted to anthropometric and laboratory evaluation. Periodontitis was defined and classified based on the Community Periodontal Index score 3 (periodontal pocket = 4-5 mm) and score 4 (periodontal pocket ≥ 6 mm). The prevalence of mild/moderate and severe periodontitis was 20% and 8.2%, respectively. Both categories of periodontal disease had significantly higher levels of triglycerides, C-reactive protein, calcium score, and calcium percentile, whereas blood glucose after tolerance test was significantly higher among people with severe periodontitis and HDL-c levels were lower (p < 0.05). Young adults with severe periodontitis had significantly higher prevalence of obesity, pre-diabetes, hypertension, and metabolic syndrome. Besides these conditions, the older adults with severe periodontitis had significantly higher prevalence of dyslipidemia and subclinical atherosclerosis. The group with periodontitis had also a higher coronary heart disease risk based on the PROCAM score (p < 0.05). The results indicated associations of periodontitis with several systemic indicators for chronic noncommunicable diseases, and highlighted the need for multiprofessional measures in the whole care of patients.
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Affiliation(s)
| | - Letícia Marin-Leon
- Universidade Estadual de Campinas - Unicamp, Department of Public Health, Campinas, São Paulo, Brazil
| | - Everton Padilha Gomes
- Universidade de São Paulo - USP, School of Medicine, Health Institute (InCor), São Paulo, São Paulo, Brazil
| | | | - Alexandre da Costa Pereira
- Universidade de São Paulo - USP, School of Medicine, Health Institute (InCor), São Paulo, São Paulo, Brazil
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Rocha LO, Rocha E, Succi GDM, Brito Junior RBD. Association between Periodontitis, Genetic Polymorphisms and Presence of Coronary Artery Disease in Southern Brazil. Arq Bras Cardiol 2020; 114:268-272. [PMID: 32215496 PMCID: PMC7077581 DOI: 10.36660/abc.20180296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 04/10/2019] [Indexed: 12/17/2022] Open
Abstract
Background Periodontitis and coronary artery disease (CAD) share an inflammatory etiology; there is a recent concern regarding the investigation of an association between these two conditions. Current theories indicate that cytokines and proteins have an important role in this process. C-reactive protein and interleukin-6 are inflammatory derivatives produced in the presence of periodontitis and in the pathophysiology of coronary disease. The polymorphisms of CRP + 1444 C > T and IL6-174 G > C are recognized in the literature as being related to CAD. Objective This study investigates the association between periodontitis and coronary artery disease, through the presence of PCR and IL-6 polymorphisms. Methods We selected 80 patients who underwent diagnostic catheterization in the HU of UFSM. The presence of periodontitis was determined by the Community Periodontal Index, whereas the CAD was established by the medical report. DNA was collected from a saliva sample and the presence of polymorphism was determined by PCR and restriction enzymes. A significance level of 5% was adopted. Results The mean age of all participants (p = 0.035, OR 2.65; 95%CI: (1.02-6.87) male gender (p = 0.012, OR 3.37; 95% CI: (1.28- (p = 0.013, OR 3.66; 95% CI: (1.27-10.5)), PCR polymorphism + 1444C > T (p = 0.001, OR 6.37; 95% CI:, (2.25-17.9)) and IL6 -174 G > C polymorphism (p = 0.025, OR 2.87, 95% CI: (1.09-7.55)) were statistically associated with the presence of CAD. Age > 60 years and presence of the PCR +1444 C > T polymorphism remained independently associated with CAD after adjustment by logistic regression. Conclusions The presence of the PCR + 1444 C > T polymorphism in this study was independently associated with the presence of coronary artery disease.
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Affiliation(s)
| | - Eduarda Rocha
- Universidade Federal de Santa Maria, Santa Maria, RS - Brazil
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Ribeiro AB, Santos-Junior NN, Luiz JPM, de Oliveira M, Kanashiro A, Taira TM, Fukada SY, Alves-Filho JC, Fazan Junior R, Salgado HC. Cardiovascular and Autonomic Dysfunction in Murine Ligature-Induced Periodontitis. Sci Rep 2020; 10:6891. [PMID: 32327711 PMCID: PMC7181832 DOI: 10.1038/s41598-020-63953-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 04/08/2020] [Indexed: 02/06/2023] Open
Abstract
The present study examined the hemodynamics [arterial pressure (AP), AP variability (APV), heart rate (HR), and heart rate variability (HRV)], cardiac function (echocardiographycally), and myocardial inflammation in Balb/c mice submitted to Periodontitis, through the ligation of the left first molar, or Sham surgical procedure. The first protocol indicated that the AP was similar (136 ± 2 vs. 132 ± 3 mmHg in Sham), while the HR was higher in mice with Periodontitis (475 ± 20 vs. 412 ± 18 bpm in Sham), compared to their Sham counterparts. The APV was higher in mice with Periodontitis when evaluated in the time domain (4.5 ± 0.3 vs. 3.4 ± 0.2 mmHg in Sham), frequency domain (power of the LF band of systolic AP), or through symbolic analysis (patterns 0V + 1V), indicating a sympathetic overactivity. The HRV was similar in the mice with Periodontitis, as compared to their Sham counterparts. In the second protocol, the mice with Periodontitis showed decreased cardiac output (10 ± 0.8 vs. 15 ± 1.4 mL/min in Sham) and ejection fraction (37 ± 3 vs. 47 ± 2% in Sham) associated with increased myocardial cytokines (Interleukin-17, Interleukin-6, and Interleukin-4). This study shows that experimental Periodontitis caused cardiac dysfunction, increased heart cytokines, and sympathetic overactivity, in line with epidemiological studies indicating an increased risk of cardiovascular events in clinical Periodontitis.
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Affiliation(s)
- Aline Barbosa Ribeiro
- Department of Physiology, Ribeirão Preto Medical School. University of São Paulo. Ribeirão Preto, São Paulo, Brazil
| | | | - João Paulo Mesquita Luiz
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Mauro de Oliveira
- Department of Physiology, Ribeirão Preto Medical School. University of São Paulo. Ribeirão Preto, São Paulo, Brazil
| | - Alexandre Kanashiro
- Department of Neurosciences and Behavior, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Thaise Mayumi Taira
- Department of Bio Molecular Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Sandra Yasuyo Fukada
- Department of Bio Molecular Sciences, School of Pharmaceutical Sciences of Ribeirao Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - José Carlos Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Rubens Fazan Junior
- Department of Physiology, Ribeirão Preto Medical School. University of São Paulo. Ribeirão Preto, São Paulo, Brazil
| | - Helio Cesar Salgado
- Department of Physiology, Ribeirão Preto Medical School. University of São Paulo. Ribeirão Preto, São Paulo, Brazil.
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Oral spirochetes: Pathogenic mechanisms in periodontal disease. Microb Pathog 2020; 144:104193. [PMID: 32304795 DOI: 10.1016/j.micpath.2020.104193] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 04/07/2020] [Indexed: 12/14/2022]
Abstract
Periodontitis is an infectious inflammatory disease resulting from infection of biofilm forming bacteria. Several bacterial factors regulate inflammatory response and cause to tissue damage and loss of connection between gingival and tooth. Since bacterial virulence factors and also host immune responses have role, understanding of periodontal disease is complex, in overall we can say that in this disease epithelium is deleted by bacteria. Oral spirochetes are related to periodontitis, among them, Treponema denticola, have been associated with periodontal diseases such as early-onset periodontitis, necrotizing ulcerative gingivitis, and acute pericoronitis. This review will analyse mechanisms of pathogenesis of spirochetes in periodontitis. Microorganisms cause destruction of gingival tissue by two mechanisms. In one, damage results from the direct action of bacterial enzymes and cytotoxic products of bacterial metabolism. In the other, only bacterial components have role, and tissue destruction is the inevitable side effect of a subverted and exaggerated host inflammatory response to plaque antigens.
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Resistin Is Increased in Periodontal Cells and Tissues: In Vitro and In Vivo Studies. Mediators Inflamm 2020; 2020:9817095. [PMID: 32410876 PMCID: PMC7201489 DOI: 10.1155/2020/9817095] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/30/2019] [Indexed: 12/12/2022] Open
Abstract
Resistin, a proinflammatory adipokine, is elevated in many inflammatory diseases. However, little is known about its performance in periodontitis. The present study is aimed at evaluating resistin expression and synthesis in periodontal cells and tissues under inflammatory/microbial stress in addition to its effects on the periodontium. In vivo, 24 male rats were randomly divided into two groups: control and ligature-induced periodontal disease. After 6 and 12 days, animals were sacrificed to analyze gene expression of adipokines, bone loss, inflammation, and resistin synthesis. In vitro, human periodontal ligament (PDL) fibroblasts were used to evaluate the expression of resistin after inflammatory stimuli. In addition, PDL fibroblasts were exposed to resistin to evaluate its role on soft and hard tissue metabolism markers. The periodontitis group demonstrated significant bone loss, an increase in the number of inflammatory cells and vascular structures, an increase in resistin expression and synthesis, and a decrease in the expression of adiponectin, leptin, and its functional receptor. PDL fibroblasts showed a significant increase in resistin expression and synthesis in response to the inflammatory stimulus by IL-1β. Resistin induced an increase in cytokine expression and a decrease in the regulation of some hard tissue and matrix formation genes in PDL fibroblasts. These data indicate that resistin is produced by periodontal cells and tissues, and this effect is enhanced by inflammatory stimuli. Moreover, resistin seems to interfere with soft and hard tissue metabolism during periodontitis by reducing markers related to matrix formation and bone tissue.
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Wu Y, Xu W, Hou J, Liu Y, Li R, Liu J, Li C, Tang X, Lin L, Pan Y, Zhang D. Porphyromonas gingivalis-Induced MIF Regulates Intercellular Adhesion Molecule-1 Expression in EA.hy926 Cells and Monocyte-Endothelial Cell Adhesion Through the Receptors CD74 and CXCR4. Inflammation 2019; 42:874-883. [PMID: 30506423 PMCID: PMC6527533 DOI: 10.1007/s10753-018-0942-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Porphyromonas gingivalis (P. gingivalis) is an important pathogen that contributes to periodontal disease and causes infections that promote the progression of atherosclerosis. Our previous studies showed that macrophage migration inhibitory factor (MIF) facilitates monocyte adhesion to endothelial cells by regulating the expression of intercellular adhesion molecule-1 (ICAM-1) in P. gingivalis-infected endothelial cells. However, the detailed pathological role of MIF has yet to be elucidated in this context. To explore the functional receptor(s) of MIF that underlie its participation in the pathogenesis of atherosclerosis, we investigated the expression of the chemokine receptors CD74 and CXCR4 in endothelial cells, both of which were shown to be involved in the adhesion of monocytes to endothelial cells pretreated with P. gingivalis. Furthermore, the formation of a MIF, CD74, and CXCR4 ligand-receptor complex was revealed by our immunofluorescence staining and coimmunoprecipitation results. By interacting with the CD74/CXCR4 receptor complex, MIF may act as a crucial regulator of monocyte-endothelial cell adhesion and promote the atherosclerotic plaque formation induced by P. gingivalis.
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Affiliation(s)
- Yun Wu
- Department of Periodontics, School of Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Wanyue Xu
- Department of Periodontics, School of Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Jingya Hou
- Department of Periodontics, School of Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Yanqing Liu
- Department of Periodontics, School of Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Rong Li
- Department of Periodontics, School of Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Jingbo Liu
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Chen Li
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Xiaolin Tang
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Li Lin
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Yaping Pan
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
| | - Dongmei Zhang
- Department of Periodontics and Oral Biology, School of
Stomatology, China Medical University, Heping District, Nanjing North Street No.117, Shenyang, 110002 China
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Porphyromonas gingivalis, Periodontal and Systemic Implications: A Systematic Review. Dent J (Basel) 2019; 7:dj7040114. [PMID: 31835888 PMCID: PMC6960968 DOI: 10.3390/dj7040114] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 11/28/2019] [Accepted: 12/09/2019] [Indexed: 12/26/2022] Open
Abstract
In recent scientific literature, oral infections and systemic manifestations, or correlations between oral health and systemic diseases are a topic of discussion. Porphyromonas gingivalis is one of the bacteria implicated in the biofilm formation of bacterial plaque, and plays an important role in the progression of periodontal disease. In this systematic review authors have evaluated the literature of the last 10 years on P. gingivalis and all the systemic implications proven. This study therefore evaluates all the districts of the organism in which this bacterium may have implications. From the results it emerges that P. gingivalis has implications in the onset of different systemic pathologies, including rheumatoid arthritis, cardiovascular pathologies, and neurodegenerative pathologies. Surely, understanding the mechanisms of diffusion of this bacterium, it would be possible to prevent a series of pathologies. Thus, putting the dentist clinician at the center of prevention for these diseases.
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Śmiga M, Olczak T. PgRsp Is a Novel Redox-Sensing Transcription Regulator Essential for Porphyromonas gingivalis Virulence. Microorganisms 2019; 7:microorganisms7120623. [PMID: 31795139 PMCID: PMC6955866 DOI: 10.3390/microorganisms7120623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/20/2019] [Accepted: 11/25/2019] [Indexed: 12/14/2022] Open
Abstract
Porphyromonas gingivalis is one of the etiological agents of chronic periodontitis. Both heme and oxidative stress impact expression of genes responsible for its survival and virulence. Previously we showed that P. gingivalis ferric uptake regulator homolog affects expression of a gene encoding a putative Crp/Fnr superfamily member, termed P. gingivalis redox-sensing protein (PgRsp). Although PgRsp binds heme and shows the highest similarity to proteins assigned to the CooA family, it could be a member of a novel, separate family of proteins with unknown function. Expression of the pgrsp gene is autoregulated and iron/heme dependent. Genes encoding proteins engaged in the oxidative stress response were upregulated in the pgrsp mutant (TO11) strain compared with the wild-type strain. The TO11 strain showed higher biomass production, biofilm formation, and coaggregation ability with Tannerella forsythia and Prevotella intermedia. We suggest that PgRsp may regulate production of virulence factors, proteases, Hmu heme acquisition system, and FimA protein. Moreover, we observed growth retardation of the TO11 strain under oxidative conditions and decreased survival ability of the mutant cells inside macrophages. We conclude that PgRsp protein may play a role in the oxidative stress response using heme as a ligand for sensing changes in redox status, thus regulating the alternative pathway of the oxidative stress response alongside OxyR.
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Zeng YM, Hu AK, Su HZ, Ko CY. A review of the association between oral bacterial flora and obstructive sleep apnea-hypopnea syndrome comorbid with cardiovascular disease. Sleep Breath 2019; 24:1261-1266. [PMID: 31758435 DOI: 10.1007/s11325-019-01962-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 09/29/2019] [Accepted: 10/11/2019] [Indexed: 12/30/2022]
Abstract
PURPOSE Obstructive sleep apnea-hypopnea syndrome (OSAHS), a common sleep disorder, has been shown to be an independent risk factor for cardiovascular disease (CVD). Recent studies have focused on the important roles of microorganisms in human health; for example, microorganisms are reportedly associated with obesity, metabolic disorders, and CVD. The number of oral bacteria in patients with OSAHS is considerably higher than that in healthy individuals, and infection with oral bacterial pathogens is associated with the development of CVD. However, whether changes in the oral microbiota mediate the development of OSAHS and CVD remains unknown. METHODS Therefore, we attempted to review the association between changes in oral microbiota in patients with OSAHS and the development of CVD. RESULTS Oral microbiota possibly acts via multiple pathways including direct invasion, platelet aggregation, immune response, inflammatory response, and oxidative stress response, leading to the development of CVD in patients with OSAHS. In particular, the strains Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, and Prevotella intermedia have demonstrated profound effects. OSAHS leads to changes in the oral bacterial flora and thus may facilitate the occurrence and development of CVD. CONCLUSION We propose that the underlying mechanism of CVDs resulting from oral microbiota in patients with OSAHS should be elucidated in further studies.
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Affiliation(s)
- Yi-Ming Zeng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan N Rd, Licheng Qu, Quanzhou Shi, 362000, Fujian Province, China.,Respiratory Medicine Center of Fujian Province, Quanzhou, 362000, China.,The Sleep Medicine Key Laboratory of Fujian Medical Universities, Fujian Province University, Quanzhou, 362000, China
| | - An-Ke Hu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan N Rd, Licheng Qu, Quanzhou Shi, 362000, Fujian Province, China.,Respiratory Medicine Center of Fujian Province, Quanzhou, 362000, China.,The Sleep Medicine Key Laboratory of Fujian Medical Universities, Fujian Province University, Quanzhou, 362000, China
| | - Huan-Zhang Su
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan N Rd, Licheng Qu, Quanzhou Shi, 362000, Fujian Province, China.,Respiratory Medicine Center of Fujian Province, Quanzhou, 362000, China.,The Sleep Medicine Key Laboratory of Fujian Medical Universities, Fujian Province University, Quanzhou, 362000, China
| | - Chih-Yuan Ko
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, 34 Zhongshan N Rd, Licheng Qu, Quanzhou Shi, 362000, Fujian Province, China. .,Respiratory Medicine Center of Fujian Province, Quanzhou, 362000, China. .,The Sleep Medicine Key Laboratory of Fujian Medical Universities, Fujian Province University, Quanzhou, 362000, China. .,Department of Clinical Nutrition, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, China.
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Abstract
BACKGROUND Although the association between periodontitis and cardiovascular disease (CVD) has been reported, whether periodontitis and poor oral health behavior influence CVD risk remains unclear. OBJECTIVE The aim of this study was to examine whether periodontal disease and poor oral health behavior predict 10-year general CVD risk using the Framingham Risk Score. METHODS Patients older than 30 years with no CVD history (n = 8370) were selected using cross-sectional study data from the Korean National Health and Nutrition Examination Survey in 2013 and 2014. To reduce selection bias in this population-based study, propensity score matching analysis was used with SPSS and R programs to compare CVD risk. RESULTS Overall, 39.2% of the study population (n = 3277) had a global CVD risk of 10% or greater. In the low- and at-risk groups, 20.7% and 45.3% of patients, respectively, were diagnosed with periodontal disease by a dentist. Moreover, 43.2% and 62.8% of the low- and at-risk group patients, respectively, brushed teeth less than 3 times a day. After 1:1 propensity score matching of the low-risk (n = 1135) and at-risk (n = 1135) groups, bivariate analyses showed that a diagnosis of periodontal disease and less frequent toothbrushing were associated with a higher CVD risk (P < .001). Logistic regression analysis also showed that patients having periodontal disease and who brushed teeth less frequently were 1.38 and 1.33 times, respectively, more likely to be at risk of CVD (P < .001). CONCLUSION Education on periodontitis management and oral hygiene behavior should be included, when strategies for public risk reduction of CVD are developed.
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The expression of macrophage migration inhibitory factor and intercellular adhesion molecule-1 in rats with periodontitis and atherosclerosis. Arch Oral Biol 2019; 107:104513. [DOI: 10.1016/j.archoralbio.2019.104513] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 07/30/2019] [Accepted: 07/30/2019] [Indexed: 12/11/2022]
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