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Farag A, Mandour AS, Kaneda M, Elfadadny A, Elhaieg A, Shimada K, Tanaka R. Effect of trehalose on heart functions in rats model after myocardial infarction: assessment of novel intraventricular pressure and heart rate variability. Front Cardiovasc Med 2023; 10:1182628. [PMID: 37469485 PMCID: PMC10353053 DOI: 10.3389/fcvm.2023.1182628] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/09/2023] [Indexed: 07/21/2023] Open
Abstract
Background Myocardial infarctions remain a leading cause of global deaths. Developing novel drugs to target cardiac remodeling after myocardial injury is challenging. There is an increasing interest in exploring natural cardioprotective agents and non-invasive tools like intraventricular pressure gradients (IVPG) and heart rate variability (HRV) analysis in myocardial infarctions. Trehalose (TRE), a natural disaccharide, shows promise in treating atherosclerosis, myocardial infarction, and neurodegenerative disorders. Objectives The objective of this study was to investigate the effectiveness of TRE in improving cardiac functions measured by IVPG and HRV and reducing myocardial remodeling following myocardial infarction in rat model. Methods Rats were divided into three groups: sham, myocardial infarction (MI), and trehalose-treated MI (TRE) groups. The animals in the MI and TRE groups underwent permanent ligation of the left anterior descending artery. The TRE group received 2% trehalose in their drinking water for four weeks after the surgery. At the end of the experiment, heart function was assessed using conventional echocardiography, novel color M-mode echocardiography for IVPG evaluation, and HRV analysis. After euthanasia, gross image scoring, histopathology, immunohistochemistry, and quantitative real-time PCR were performed to evaluate inflammatory reactions, oxidative stress, and apoptosis. Results The MI group exhibited significantly lower values in multiple IVPG parameters. In contrast, TRE administration showed an ameliorative effect on IVPG changes, with results comparable to the sham group. Additionally, TRE improved HRV parameters, mitigated morphological changes induced by myocardial infarction, reduced histological alterations in wall mass, and suppressed inflammatory reactions within the infarcted heart tissues. Furthermore, TRE demonstrated antioxidant, anti-apoptotic and anti-fibrotic properties. Conclusion The investigation into the effect of trehalose on a myocardial infarction rat model has yielded promising outcomes, as evidenced by improvements observed through conventional echocardiography, histological analysis, and immunohistochemical analysis. While minor trends were noticed in IVPG and HRV measurements. However, our findings offer valuable insights and demonstrate a correlation between IVPG, HRV, and other traditional markers of echo assessment in the myocardial infarction vs. sham groups. This alignment suggests the potential of IVPG and HRV as additional indicators for future research in this field.
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Affiliation(s)
- 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 S. Mandour
- Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Masahiro Kaneda
- Laboratory of Veterinary Anatomy, Division of Animal Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Ahmed Elfadadny
- Department of Animal Internal Medicine, Faculty of Veterinary Medicine, Damanhur University, Damanhur El-Beheira, Egypt
| | - Asmaa Elhaieg
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
| | - Kazumi Shimada
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
| | - Ryou Tanaka
- Department of Veterinary Surgery, Faculty of Veterinary Medicine, Tokyo University of Agriculture and Technology, Fuchu, Japan
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2
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Li Y, Zhu M, Liu Y, Luo B, Cui J, Huang L, Chen K, Liu Y. The oral microbiota and cardiometabolic health: A comprehensive review and emerging insights. Front Immunol 2022; 13:1010368. [PMID: 36466857 PMCID: PMC9716288 DOI: 10.3389/fimmu.2022.1010368] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 10/26/2022] [Indexed: 08/26/2023] Open
Abstract
There is mounting evidence demonstrating that oral dysbiosis causes periodontal disease and promotes the development of cardiovascular disease. The advancement of omics techniques has driven the optimization of oral microbiota species analysis and has provided a deeper understanding of oral pathogenic bacteria. A bi-directional relationship exists between the oral microbiota and the host, and oral-gut microbiota transfer is known to alter the composition of the gut microbiota and may cause local metabolic disorders. Furthermore, cardiovascular health can also be highly affected by oral microbiota functions and metabolites, including short-chain fatty acids (SCFAs), nitric oxide (NO), hydrogen sulfide (H2S), and some lipid metabolites. Studies have found that trimethylamine oxide (TMAO) may have adverse effects on cardiovascular health, whereas SCFAs, NO, and H2S have cardioprotective effects. SCFAs and H2S exert varying oral and cardiovascular effects, however reports on this specific topic remain controversial. Previous evidences are accustomed to summarizing the functions of oral microbiota in the context of periodontitis. The direct relationship between oral microbiota and cardiovascular diseases is insufficient. By systematically summarizing the methods associated with oral microbiota transplantation (OMT), this review facilitates an investigation into the causal links between oral microbiota and cardiovascular disease. The concomitant development of omics, bioinformatics, bacterial culture techniques, and microbiota transplantation techniques is required to gain a deeper understanding of the relationship between oral microbiota and cardiovascular disease occurrence.
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Affiliation(s)
- Yiwen Li
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Mengmeng Zhu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Yanfei Liu
- The Second Department of Gerontology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Binyu Luo
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Jing Cui
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Luqi Huang
- China Center for Evidence-based Medicine of Traditional Chinese Medicine (TCM), China Academy of Chinese Medical Sciences, Beijing, China
| | - Keji Chen
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Yue Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
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Peron D, Prates RA, Antonio EL, Teixeira ILA, de Oliveira HA, Mansano BSDM, Bergamo A, Almeida DR, Dariolli R, Tucci PJF, Serra AJ. A common oral pathogen Porphyromonas gingivalis induces myocarditis in rats. J Clin Periodontol 2022; 49:506-517. [PMID: 35066916 DOI: 10.1111/jcpe.13595] [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: 06/24/2021] [Revised: 11/22/2021] [Accepted: 01/17/2022] [Indexed: 11/29/2022]
Abstract
AIM To evaluate whether Porphyromonas gingivalis (P. gingivalis) inoculation could induce cardiac remodelling in rats. MATERIALS AND METHODS The study was conducted on 33 Wistar rats, which were distributed in the following experimental groups: not inoculated; inoculated with 1 × 108 CFU/ml of bacteria; inoculated with 3 × 108 CFU/ml of bacteria. The animals were inoculated at baseline and on the 15th day of follow-up. Blood collection was performed at baseline and 60 min after each inoculation. At 29 days, the animals were subjected to echocardiography and at 30 days to haemodynamic studies before sacrificing them. RESULTS Impact of the bacteria was more evident in rats that received higher P. gingivalis concentration. Thus, 3 × 108 CFU/ml of bacteria increased the rectal temperature and water content in the lung as well as myocardial necrosis and fibrosis. P. gingivalis induced the intensification of DNA fragmentation and increased the levels of malondialdehyde, oxidized proteins, and macrophage expression in the myocardium. These findings were associated with lower LV isovolumetric relaxation time, +dP/dt, -dP/dt, and higher end-diastolic pressure. CONCLUSIONS P. gingivalis bacteraemia is significantly associated with adverse cardiac remodelling and may play a biological role in the genesis of heart failure.
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Affiliation(s)
- Daniele Peron
- Biophotonics Applied to Health Science, Nove de Julho University, São Paulo, Brazil
| | - Renato Araujo Prates
- Biophotonics Applied to Health Science, Nove de Julho University, São Paulo, Brazil
| | - Ednei Luiz Antonio
- Department of Medicine, Cardiology Division, Federal University of São Paulo, São Paulo, Brazil
| | | | | | | | - Alexandre Bergamo
- Biophotonics Applied to Health Science, Nove de Julho University, São Paulo, Brazil
| | | | - Rafael Dariolli
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,PluriCell Biotech, São Paulo, Brazil
| | | | - Andrey Jorge Serra
- Department of Medicine, Cardiology Division, Federal University of São Paulo, São Paulo, Brazil
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Heo SC, Kim YS, Kim YN, Kim JH, Kim HJ. Virulence factors released from Porphyromonas gingivalis induce electrophysiological dysfunction in human pluripotent stem cell-derived cardiomyocytes. J Dent Sci 2022; 17:1559-1565. [PMID: 36299350 PMCID: PMC9588827 DOI: 10.1016/j.jds.2022.04.013] [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: 03/22/2022] [Revised: 04/18/2022] [Indexed: 11/28/2022] Open
Abstract
Background/purpose Periodontal disease development correlates with the occurrence of systemic diseases. The present study investigated the association between periodontal disease and the development of cardiac arrhythmia. Materials and methods Human embryonic stem cell-derived cardiomyocytes (hESC-CMs) were treated with Porphyromonas gingivalis (Pg). Cardiotoxicity and electrophysiological properties of hESC-CMs were measured using the cell counting kit-8 assay and a multi-electrode array, respectively. Reverse-transcription-quantitative polymerase chain reaction (RT-qPCR) revealed the mRNA expression of S100 calcium binding protein A1 (S100A1), calsequestrin 2 (CASQ2), troponin I3 (TNNI3), myosin light chain 2 (MYL2), integrin subunit beta 1 (ITGB1), and cadherin 2 (CDH2) in hESC-CMs. Results Treatment with Pg broth significantly decreased the beat period, field potential duration, spike amplitude, and conduction velocity without affecting the viability of hESC-CMs. In addition, the mRNA expression of CASQ2, TNNI3, and MYL2, which are all associated with calcium handling, were downregulated by Pg broth treatment. Conclusion These findings indicate that Pg may induce cardiac arrhythmia mediated by virulence factors.
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Affiliation(s)
- Soon Chul Heo
- Department of Oral Physiology, Periodontal Diseases Signaling Network Research Center, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Ye Seul Kim
- Department of Physiology, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Yu Na Kim
- Department of Oral Physiology, Periodontal Diseases Signaling Network Research Center, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
| | - Jae Ho Kim
- Department of Physiology, School of Medicine, Pusan National University, Yangsan, Republic of Korea
- Corresponding author. Department of Physiology, School of Medicine, Pusan National University, 49 Busandaehak-ro, Yangsan 50612, Republic of Korea.
| | - Hyung Joon Kim
- Department of Oral Physiology, Periodontal Diseases Signaling Network Research Center, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Republic of Korea
- Corresponding author. Departments of Oral Physiology, School of Dentistry, Pusan National University, 49 Busandaehak-ro, Yangsan 50612, Republic of Korea.
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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] [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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6
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Bregaint S, Boyer E, Fong SB, Meuric V, Bonnaure-Mallet M, Jolivet-Gougeon A. Porphyromonas gingivalis outside the oral cavity. Odontology 2021; 110:1-19. [PMID: 34410562 DOI: 10.1007/s10266-021-00647-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 07/31/2021] [Indexed: 12/14/2022]
Abstract
Porphyromonas gingivalis, a Gram-negative anaerobic bacillus present in periodontal disease, is considered one of the major pathogens in periodontitis. A literature search for English original studies, case series and review articles published up to December 2019 was performed using the MEDLINE, PubMed and GoogleScholar databases, with the search terms "Porphyromonas gingivalis" AND the potentially associated condition or systemic disease Abstracts and full text articles were used to make a review of published research literature on P. gingivalis outside the oral cavity. The main points of interest of this narrative review were: (i) a potential direct action of the bacterium and not the systemic effects of the inflammatory acute-phase response induced by the periodontitis, (ii) the presence of the bacterium (viable or not) in the organ, or (iii) the presence of its virulence factors. Virulence factors (gingipains, capsule, fimbriae, hemagglutinins, lipopolysaccharide, hemolysin, iron uptake transporters, toxic outer membrane blebs/vesicles, and DNA) associated with P. gingivalis can deregulate certain functions in humans, particularly host immune systems, and cause various local and systemic pathologies. The most recent studies linking P. gingivalis to systemic diseases were discussed, remembering particularly the molecular mechanisms involved in different infections, including cerebral, cardiovascular, pulmonary, bone, digestive and peri-natal infections. Recent involvement of P. gingivalis in neurological diseases has been demonstrated. P. gingivalis modulates cellular homeostasis and increases markers of inflammation. It is also a factor in the oxidative stress involved in beta-amyloid production.
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Affiliation(s)
- Steeve Bregaint
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France
| | - Emile Boyer
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France.,Teaching Hospital Pontchaillou, 2 rue Henri Le Guilloux, 35033, Rennes, France
| | - Shao Bing Fong
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France
| | - Vincent Meuric
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France.,Teaching Hospital Pontchaillou, 2 rue Henri Le Guilloux, 35033, Rennes, France
| | - Martine Bonnaure-Mallet
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France.,Teaching Hospital Pontchaillou, 2 rue Henri Le Guilloux, 35033, Rennes, France
| | - Anne Jolivet-Gougeon
- Microbiology, INSERM, INRAE, CHU Rennes, Institut NUMECAN (Nutrition Metabolisms and Cancer), Université de Rennes, U1241, 2, avenue du Professeur Léon Bernard, 35043, Rennes, France. .,Teaching Hospital Pontchaillou, 2 rue Henri Le Guilloux, 35033, Rennes, France.
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7
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Mei F, Xie M, Huang X, Long Y, Lu X, Wang X, Chen L. Porphyromonas gingivalis and Its Systemic Impact: Current Status. Pathogens 2020; 9:pathogens9110944. [PMID: 33202751 PMCID: PMC7696708 DOI: 10.3390/pathogens9110944] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/24/2020] [Accepted: 11/03/2020] [Indexed: 02/06/2023] Open
Abstract
The relationship between periodontitis and systemic diseases, notably including atherosclerosis and diabetes, has been studied for several years. Porphyromonas gingivalis, a prominent component of oral microorganism communities, is the main pathogen that causes periodontitis. As a result of the extensive analysis of this organism, the evidence of its connection to systemic diseases has become more apparent over the last decade. A significant amount of research has explored the role of Porphyromonas gingivalis in atherosclerosis, Alzheimer's disease, rheumatoid arthritis, diabetes, and adverse pregnancy outcomes, while relatively few studies have examined its contribution to respiratory diseases, nonalcoholic fatty liver disease, and depression. Here, we provide an overview of the current state of knowledge about Porphyromonas gingivalis and its systemic impact in an aim to inform readers of the existing epidemiological evidence and the most recent preclinical studies. Additionally, the possible mechanisms by which Porphyromonas gingivalis is involved in the onset or exacerbation of diseases, together with its effects on systemic health, are covered. Although a few results remain controversial, it is now evident that Porphyromonas gingivalis should be regarded as a modifiable factor for several diseases.
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Affiliation(s)
- Feng Mei
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Mengru Xie
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofei Huang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Yanlin Long
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaofeng Lu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Xiaoli Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (F.M.); (M.X.); (X.H.); (Y.L.); (X.L.)
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
- Correspondence: (X.W.); (L.C.)
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Kakabadze MZ, Paresishvili T, Karalashvili L, Chakhunashvili D, Kakabadze Z. Oral microbiota and oral cancer: Review. Oncol Rev 2020; 14:476. [PMID: 32676172 PMCID: PMC7358985 DOI: 10.4081/oncol.2020.476] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 05/15/2020] [Indexed: 12/23/2022] Open
Abstract
In this review, we draw attention and discuss the risk factors and causes of the development of oral squamous cell carcinoma (OSCC) focusing on oral microbiota. Recently, a breakthrough in the study of cancer has been the discovery of the relationship between the presence of certain types of bacteria and the development of cancer in the human body. Studies have shown that, Porphyromonas gingivalis (P. gingivalis) bacteria that is responsible for the destructive processes in the oral cavity, could play an important role in the development of OSCC. In our continuing search for bacteria that causes oral squamous cell carcinoma, we came across the Pseudomona aeruginosa, which due to its metabolite properties, may play important role in carcinogenesis of oral cancer. One possible mechanism is the ability of Pseudomonas to synthesize nitric oxide (NO) that modulates different cancer-related appearances such as apoptosis, cell cycle, angiogenesis, invasion, and metastasis. We think that P. aeruginosa increases the concentration of NO by converting salivary nitrite to nitric oxide, and this is how it contributes to NO-related carcinogenesis. Early diagnosis and treatment of periodontitis are very important not only for patients' oral health, but also for the prevention of OSCC development. Screening test for OSCC based on determination of salivary NO levels could be appealing and may prove to be useful assay for diagnosis and early detection of disease progression in oral cancer.
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Affiliation(s)
| | | | - Lia Karalashvili
- Ivane Javakhishvili Tbilisi State University
- Tbilisi State Medical University, Tbilisi, Georgia
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9
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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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10
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Chitoheptaose Promotes Heart Rehabilitation in a Rat Myocarditis Model by Improving Antioxidant, Anti-Inflammatory, and Antiapoptotic Properties. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:2394704. [PMID: 32351668 PMCID: PMC7171680 DOI: 10.1155/2020/2394704] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/12/2020] [Accepted: 02/24/2020] [Indexed: 12/25/2022]
Abstract
Background Myocarditis is one of the important causes of dilated cardiomyopathy, cardiac morbidity, and mortality worldwide. Chitosan oligosaccharides (COS) may have anti-inflammatory and cardioprotective effects on myocarditis. However, the exact molecular mechanism for the effects of functional COS on myocarditis remains unclear. Methods Anti-inflammatory activities of COS (chitobiose, chitotriose, chitotetraose, chitopentaose, chitohexaose, chitoheptaose, and chitooctaose) were measured in lipopolysaccharide- (LPS-) stimulated RAW264.7 cells. A rat model with myocarditis was established and treated with chitopentaose, chitohexaose, chitoheptaose, and chitooctaose. Serum COS were measured by using high-performance liquid chromatography (HPLC) in all rats. Myocarditis injury, the levels of reactive oxygen species (ROS), reactive nitrogen species (RNS), inflammatory factors, and apoptotic factors were also measured. Pearson's correlation coefficient test was used to explore the relationship between the levels of ROS/RNS and cardiac parameters. Results Among all chitosan oligosaccharides, the COS > degrees of polymerization (DP) 4 showed anti-inflammatory activities (the activity order was chitopentaose<chitohexaose<chitoheptaose<chitooctaose) by reducing the levels of interleukin- (IL-) 1β, IL-17A, and interferon- (IFN-) γ and increasing the level of IL-10. However, the serum level of chitooctaose was low whereas it showed significant therapeutic effects on myocarditis by improving cardiac parameters (left ventricular internal dimension, both end-systolic and end-diastolic, ejection fraction, and fractional shortening), inflammatory cytokines (IL-1β, IL-10, IL-17A, and IFN-γ), oxidative factors (ROS and RNS), and apoptotic factors (caspase 3, BAX, and BCL-2) when compared with chitopentaose, chitohexaose, and chitooctaose (COS DP > 4). The levels of ROS/RNS had a strong relationship with cardiac parameters. Conclusions Chitoheptaose plays a myriad of cardioprotective roles in the myocarditis model via its antioxidant, anti-inflammatory, and antiapoptotic activities.
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Liccardo D, Cannavo A, Spagnuolo G, Ferrara N, Cittadini A, Rengo C, Rengo G. Periodontal Disease: A Risk Factor for Diabetes and Cardiovascular Disease. Int J Mol Sci 2019; 20:ijms20061414. [PMID: 30897827 PMCID: PMC6470716 DOI: 10.3390/ijms20061414] [Citation(s) in RCA: 206] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 02/25/2019] [Accepted: 03/18/2019] [Indexed: 12/18/2022] Open
Abstract
Periodontitis is a chronic inflammatory disease, initiated by the presence of a bacterial biofilm, called dental plaque, which affects both the periodontal ligaments and bone surrounding teeth. In the last decades, several lines of evidence have supported the existence of a relationship between periodontitis and systemic health. For instance, as periodontitis acts within the same chronic inflammatory model seen in cardiovascular disease (CVD), or other disorders, such as diabetes, several studies have suggested the existence of a bi-directional link between periodontal health and these pathologies. For instance, people with diabetes are more susceptible to infections and are more likely to suffer from periodontitis than people without this syndrome. Analogously, it is now evident that cardiac disorders are worsened by periodontitis, both experimentally and in humans. For all these reasons, it is very plausible that preventing periodontitis has an impact on the onset or progression of CVD and diabetes. On these grounds, in this review, we have provided an updated account on the current knowledge concerning periodontal disease and the adverse effects exerted on the cardiovascular system health and diabetes, informing readers on the most recent preclinical studies and epidemiological evidence.
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Affiliation(s)
- Daniela Liccardo
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy.
| | - Alessandro Cannavo
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy.
- Center for Translational Medicine, Temple University, Philadelphia, PA 19140, USA.
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University of Naples, 80131 Naples, Italy.
- Institute of Dentistry, I. M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia.
| | - Nicola Ferrara
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy.
- Istituti Clinici Scientifici- ICS Maugeri S.p.A. Telese Terme (BN), 82037 Pavia, Italy.
| | - Antonio Cittadini
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy.
| | - Carlo Rengo
- Department of Prosthodontics and Dental Materials, School of Dental Medicine, University of Siena, 53100 Siena, Italy.
| | - Giuseppe Rengo
- Department of Translational Medical Sciences, Federico II University of Naples, 80131 Naples, Italy.
- Istituti Clinici Scientifici- ICS Maugeri S.p.A. Telese Terme (BN), 82037 Pavia, Italy.
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Srisuwantha R, Shiheido Y, Aoyama N, Sato H, Kure K, Laosrisin N, Izumi Y, Suzuki JI. Porphyromonas Gingivalis Elevated High-Mobility Group Box 1 Levels After Myocardial Infarction in Mice. Int Heart J 2017; 58:762-768. [PMID: 28966323 DOI: 10.1536/ihj.16-500] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
High mobility group box 1 (HMGB1) is a nuclear protein released from necrotic cells, inducing inflammatory responses. Epidemiological studies suggested a possible association between periodontitis and cardiovascular diseases (CVDs). Due to tissue damage and necrosis of cardiac cells following myocardial infarction (MI), HMGB1 is released, activating an inflammatory reaction. However, it remains unclear whether periodontitis is also involved in myocardial damage. The purpose of this study was to determine the effect of the periodontal pathogen Porphyromonas gingivalis (P.g.) after MI in mice.C57BL/6J wild type mice in post-MI were inoculated with P.g. in the infected group (P.g.-inoculated MI group) and with phosphate buffer saline (PBS) in the control group (PBS-injected MI group). Plasma samples and twelve tissue samples from mice hearts after MI were obtained. We determined the expression of HMGB1 by ELISA and immunohistochemistry.The level of HMGB1 protein in the P.g.-inoculated MI group was significantly higher than in the PBS-injected MI group on day 5, but not on day 14. Immunohistochemistry analysis revealed that HMGB1 was mainly expressed in cardiomyocytes, immune cells, and vascular endothelial cells in the PBS-injected MI group, while HMGB1 was seen broadly in degenerated cardiomyocytes, extracellular fields, immune cells, and vascular endothelial cells in the P.g.-inoculated MI group. A significant increase in the number of HMGB1 positive cells was observed in the P.g.-inoculated MI group compared to the PBS-injected MI group.Infection with P.g. after MI enhanced myocardial HMGB1 expression. There is a possible relationship between periodontitis and post-infarction myocardial inflammation through HMGB-1.
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Affiliation(s)
- Rungtiwa Srisuwantha
- Department of Conservative Dentistry and Prosthodontics, Faculty of Dentistry, Srinakharinwirot University.,Department of Periodontology, Tokyo Medical and Dental University
| | - Yuka Shiheido
- Department of Periodontology, Tokyo Medical and Dental University
| | - Norio Aoyama
- Department of Periodontology, Tokyo Medical and Dental University
| | - Hiroki Sato
- Department of Periodontology, Tokyo Medical and Dental University
| | - Keitetsu Kure
- Department of Periodontology, Tokyo Medical and Dental University
| | - Narongsak Laosrisin
- Department of Conservative Dentistry and Prosthodontics, Faculty of Dentistry, Srinakharinwirot University
| | - Yuichi Izumi
- Department of Periodontology, Tokyo Medical and Dental University
| | - Jun-Ichi Suzuki
- Department of Advanced Clinical Science and Therapeutics, The University of Tokyo
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Shi Q, Zhang B, Huo N, Cai C, Liu H, Xu J. Association between Myocardial Infarction and Periodontitis: A Meta-Analysis of Case-Control Studies. Front Physiol 2016; 7:519. [PMID: 27867362 PMCID: PMC5095113 DOI: 10.3389/fphys.2016.00519] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Accepted: 10/20/2016] [Indexed: 01/01/2023] Open
Abstract
Background and Objective: Many clinical researches have been carried out to investigate the relationship between myocardial infarction (MI) and periodontitis. Despite most of them indicated that the periodontitis may be associated with an increased risk of MI, the findings and study types of these studies have been inconsistent. The goal of this meta-analysis was to critically assess the strength of the association between MI and periodontitis in case-control studies. Methods: PubMed and the Cochrane Library were searched for eligible case-control studies reporting relevant parameters that compared periodontal status between MI and control subjects. The odds ratios (ORs) and 95% confidence intervals (CIs) from each study were pooled to estimate the strength of the association between MI and periodontitis. The mean differences and 95% CIs for periodontal-related parameters were calculated to determine their overall effects. Results: Seventeen studies including a total of 3456 MI patients and 3875 non-MI control subjects were included. The pooled OR for the association between MI and periodontitis was 2.531 (95% CI: 1.927–3.324). The mean differences (95% CIs) for clinical attachment loss, probing depth, bleeding on probing, plaque index, and the number of missing teeth were 1.000 (0.726–1.247), 1.209 (0.538–1.880), 0.342 (0.129–0.555), 0.383 (0.205–0.560), and 4.122 (2.012–6.232), respectively. Conclusion: With the current evidence, the results support the presence of a significant association between MI and periodontitis. Moreover, MI patients had worse periodontal and oral hygiene status and fewer teeth than did control subjects. More high-quality and well-designed studies focusing on the casual relationship between MI and periodontitis should be conducted in the future.
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Affiliation(s)
- Quan Shi
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
| | - Bin Zhang
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
| | - Na Huo
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
| | - Chuan Cai
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
| | - Hongchen Liu
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
| | - Juan Xu
- Institute of Stomatology, Chinese PLA General Hospital Beijing, China
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Schenkein HA, Loos BG. Inflammatory mechanisms linking periodontal diseases to cardiovascular diseases. J Clin Periodontol 2016; 40 Suppl 14:S51-69. [PMID: 23627334 DOI: 10.1111/jcpe.12060] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2012] [Indexed: 12/17/2022]
Abstract
AIMS In this article, inflammatory mechanisms that link periodontal diseases to cardiovascular diseases are reviewed. METHODS This article is a literature review. RESULTS Studies in the literature implicate a number of possible mechanisms that could be responsible for increased inflammatory responses in atheromatous lesions due to periodontal infections. These include increased systemic levels of inflammatory mediators stimulated by bacteria and their products at sites distant from the oral cavity, elevated thrombotic and hemostatic markers that promote a prothrombotic state and inflammation, cross-reactive systemic antibodies that promote inflammation and interact with the atheroma, promotion of dyslipidemia with consequent increases in pro-inflammatory lipid classes and subclasses, and common genetic susceptibility factors present in both disease leading to increased inflammatory responses. CONCLUSIONS Such mechanisms may be thought to act in concert to increase systemic inflammation in periodontal disease and to promote or exacerbate atherogenesis. However, proof that the increase in systemic inflammation attributable to periodontitis impacts inflammatory responses during atheroma development, thrombotic events or myocardial infarction or stroke is lacking.
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Affiliation(s)
- Harvey A Schenkein
- Department of Periodontics, Virginia Commonwealth University, Richmond, VA 23298-0566, USA.
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Yu XH, Zhang J, Zheng XL, Yang YH, Tang CK. Interferon-γ in foam cell formation and progression of atherosclerosis. Clin Chim Acta 2015; 441:33-43. [DOI: 10.1016/j.cca.2014.12.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 11/28/2014] [Accepted: 12/05/2014] [Indexed: 10/24/2022]
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Inhibitory Effect of Dodonaea viscosa var. angustifolia on the Virulence Properties of the Oral Pathogens Streptococcus mutans and Porphyromonas gingivalis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:624089. [PMID: 24223061 PMCID: PMC3816046 DOI: 10.1155/2013/624089] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 09/06/2013] [Accepted: 09/11/2013] [Indexed: 11/17/2022]
Abstract
Aim. This study investigated the effect of Dodonaea viscosa var. angustifolia (DVA) on the virulence properties of cariogenic Streptococcus mutans and Porphyromonas gingivalis implicated in periodontal diseases. Methods. S. mutans was cultured in tryptone broth containing a crude leaf extract of DVA for 16 hours, and the pH was measured after 10, 12, 14, and 16 h. Biofilms of S. mutans were grown on glass slides for 48 hours and exposed to plant extract for 30 minutes; the adherent cells were reincubated and the pH was measured at various time intervals. Minimum bactericidal concentration of the extracts against the four periodontal pathogens was determined. The effect of the subinhibitory concentration of plant extract on the production of proteinases by P. gingivalis was also evaluated. Results. DVA had no effect on acid production by S. mutans biofilms; however, it significantly inhibited acid production in planktonic cells. Periodontal pathogens were completely eliminated at low concentrations ranging from 0.09 to 0.02 mg/mL of crude plant extracts. At subinhibitory concentrations, DVA significantly reduced Arg-gingipain (24%) and Lys-gingipain (53%) production by P. gingivalis (P ≤ 0.01). Conclusions. These results suggest that DVA has the potential to be used to control oral infections including dental caries and periodontal diseases.
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Luo Z, Wang H, Sun Z, Luo W, Wu Y. Expression of IL-22, IL-22R and IL-23 in the peri-implant soft tissues of patients with peri-implantitis. Arch Oral Biol 2013; 58:523-9. [PMID: 23058849 DOI: 10.1016/j.archoralbio.2012.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 08/03/2012] [Accepted: 08/11/2012] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The aim of this study was to compare the expression of interleukin (IL)-22, IL-22R and IL-23 in the peri-implant soft tissues between the peri-implantitis patient group (PG) and peri-implant healthy control group (HG). METHODS The tissues were collected from 12 peri-implantitis patients and eight peri-implant healthy controls. Immunohistochemistry (IHC) and real-time quantitative PCR (qPCR) were performed to analyse the gene expression of IL-22, IL-22R and IL-23p19 in peri-implant soft tissues in the PG and the HG group. RESULTS The IHC result showed that number of IL-22, IL-22R, and IL-23p19 positive cells increased in PG than in HG (P<0.05). The result of qPCR demonstrated that the expressions of IL-22 messenger RNA (mRNA) and IL-23p19 mRNA were significantly higher in the PG group compared to the HG group (P<0.05). Gene expression of IL-22R mRNA was higher in the PG group; however, there was no statistically significant difference between these two groups (P>0.05). CONCLUSIONS This study indicates that there is an increased expression level of IL-22 and IL-23 in patients with peri-implantitis, which may induce expression of related pro-inflammatory cytokines and may further have a crucial role in tissue repair and reconstruction in pathogenesis of peri-implantitis.
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Affiliation(s)
- Zhenhua Luo
- Department of Periodontics, West China College of Stomatology, State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, China
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Schenkein HA, Loos BG. Inflammatory mechanisms linking periodontal diseases to cardiovascular diseases. J Periodontol 2013; 84:S51-69. [DOI: 10.1902/jop.2013.134006] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Troitskaya M, Baysa A, Vaage J, Sand KL, Maghazachi AA, Valen G. Interleukin-17 (IL-17) expression is reduced during acute myocardial infarction: role on chemokine receptor expression in monocytes and their in vitro chemotaxis towards chemokines. Toxins (Basel) 2012; 4:1427-39. [PMID: 23202375 PMCID: PMC3528254 DOI: 10.3390/toxins4121427] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 11/27/2012] [Accepted: 11/28/2012] [Indexed: 12/22/2022] Open
Abstract
The roles of immune cells and their soluble products during myocardial infarction (MI) are not completely understood. Here, we observed that the percentages of IL-17, but not IL-22, producing cells are reduced in mice splenocytes after developing MI. To correlate this finding with the functional activity of IL-17, we sought to determine its effect on monocytes. In particular, we presumed that this cytokine might affect the chemotaxis of monocytes important for cardiac inflammation and remodeling. We observed that IL-17 tends to reduce the expression of two major chemokine receptors involved in monocyte chemotaxis, namely CCR2 and CXCR4. Further analysis showed that monocytes pretreated with IL-17 have reduced in vitro chemotaxis towards the ligand for CCR2, i.e., MCP-1/CCL2, and the ligand for CXCR4, i.e., SDF-1α/CXCL12. Our results support the possibility that IL-17 may be beneficial in MI, and this could be due to its ability to inhibit the migration of monocytes.
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Affiliation(s)
- Maria Troitskaya
- Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo N-0317, Norway; (M.T.); (A.B.); (K.L.S.)
- Center for Heart Failure Research, University of Oslo, Oslo N-0317, Norway
| | - Anton Baysa
- Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo N-0317, Norway; (M.T.); (A.B.); (K.L.S.)
- Center for Heart Failure Research, University of Oslo, Oslo N-0317, Norway
| | - Jarle Vaage
- Department of Emergency and Intensive Care at the Institute of Clinical Medicine, Oslo University Hospital, Oslo N-0424, Norway;
| | - Kristin L. Sand
- Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo N-0317, Norway; (M.T.); (A.B.); (K.L.S.)
| | - Azzam A. Maghazachi
- Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo N-0317, Norway; (M.T.); (A.B.); (K.L.S.)
| | - Guro Valen
- Department of Physiology, Institute of Basic Medical Sciences, University of Oslo, Oslo N-0317, Norway; (M.T.); (A.B.); (K.L.S.)
- Center for Heart Failure Research, University of Oslo, Oslo N-0317, Norway
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