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Tang K, Wu Y, Zheng Q, Chen X. Bibliometric research on analysis of links between periodontitis and cardiovascular diseases. Front Cardiovasc Med 2023; 10:1255722. [PMID: 37745126 PMCID: PMC10512184 DOI: 10.3389/fcvm.2023.1255722] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 08/10/2023] [Indexed: 09/26/2023] Open
Abstract
Background Periodontitis (PD) and cardiovascular diseases (CVD) rank among the most prevalent pathologies worldwide, and their correlation has been a subject of prolonged investigation. Numerous studies suggest shared etiological factors; however, a definitive causal connection remains unestablished. The objective of this study was to employ bibliometric and visual analyses in order to comprehensively examine the overarching characteristics, focal areas of research, and prospective trends pertaining to the PD-CVD relationship. Methods We sourced articles, reviews, and online publications on PD- and CVD- research from the Web of Science Core Collection (WoSCC) spanning from January 1, 1993, to May 15, 2023. A triad of analytical tools (R-Bibliometrix, VOSviewer 1.6.19, and CiteSpace 6.2.R3) were utilized to facilitate collaboration network analysis, co-citation analysis, co-occurrence analysis, and citation burst detection. Results Out of the 1,116 publications that fulfilled the eligibility criteria in the WoSCC database, the comprehensive characteristics analysis divulged a sustained growth trend in publication frequency. In the cluster analysis of reference co-citation and keyword co-occurrence, prominent themes such as "periodontitis", "cardiovascular diseases", "inflammation", "Porphyromonas gingivalis", and "atherosclerosis" consistently emerged. Contemporary topics such as "peri-implantitis," "COVID-19", "cardiovascular risk factors," and "endocarditis" were pinpointed as burgeoning research hotspots. Conclusion Based on this bibliometric study, in the field of association studies between PD and CVD, the etiologic mechanisms of both diseases have been intensively studied in the last three decades. Periodontal pathogens might serve as potential initiating factors linking PD and CVD. Inflammation may constitute a significant etiological factor shared by both diseases. Several emerging topics, such as COVID-19 and peri-implantitis, exhibit promising potential. This exhaustive overview casts light on pivotal research arenas, augmenting the field's understanding and stimulating further scholarly investigations.
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Affiliation(s)
| | | | | | - Xuepeng Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
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2
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Hayakawa Y, Suita K, Ohnuki Y, Mototani Y, Ishikawa M, Ito A, Nariyama M, Morii A, Kiyomoto K, Tsunoda M, Matsuo I, Kawahara H, Okumura S. Vidarabine, an anti-herpes agent, prevents occlusal-disharmony-induced cardiac dysfunction in mice. J Physiol Sci 2022; 72:2. [PMID: 35148678 PMCID: PMC10717220 DOI: 10.1186/s12576-022-00826-4] [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: 08/21/2021] [Accepted: 01/17/2022] [Indexed: 11/10/2022]
Abstract
We recently reported a positive relationship between occlusal disharmony and cardiovascular disease via activation of β-adrenergic signaling in mice. Furthermore, inhibition of type 5 adenylyl cyclase (AC5), a major cardiac subtype in adults, protects the heart against oxidative stress. Here, we examined the role of AC5 in the development of occlusal-disharmony-induced cardiovascular disease in bite-opening (BO) mice, prepared by cementing a suitable appliance onto the mandibular incisor. We first examined the effects of BO treatment on cardiac function in mice treated or not treated for 2 weeks with vidarabine, which we previously identified as an inhibitor of cardiac AC. Cardiac function was significantly decreased in the BO group compared to the control group, but vidarabine ameliorated the dysfunction. Cardiac fibrosis, myocyte apoptosis and myocyte oxidative DNA damage were significantly increased in the BO group, but vidarabine blocked these changes. The BO-induced cardiac dysfunction was associated with increased phospholamban phosphorylation at threonine-17 and serine-16, as well as increased activation of the Ca2+-calmodulin-dependent protein kinase II/receptor-interacting protein 3 signaling pathway. These data suggest that AC5 inhibition with vidarabine might be a new therapeutic approach for the treatment of cardiovascular disease associated with occlusal disharmony.
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Affiliation(s)
- Yoshio Hayakawa
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
- Department of Dental Anesthesiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Kenji Suita
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
| | - Yoshiki Ohnuki
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
| | - Yasumasa Mototani
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
| | - Misao Ishikawa
- Department of Oral Anatomy, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Aiko Ito
- Department of Orthodontics, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Megumi Nariyama
- Department of Pediatric Dentistry, Tsurumi University School of Dental Medicine, Yokohama, 236-8501, Japan
| | - Akinaka Morii
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
- Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Kenichi Kiyomoto
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
- Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Michinori Tsunoda
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
- Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Ichiro Matsuo
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan
- Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Hiroshi Kawahara
- Department of Dental Anesthesiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Satoshi Okumura
- Department of Physiology, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, 230-8501, Japan.
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3
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Matsuo I, Ohnuki Y, Suita K, Ishikawa M, Mototani Y, Ito A, Hayakawa Y, Nariyama M, Morii A, Kiyomoto K, Tsunoda M, Gomi K, Okumura S. Effects of chronic Porphylomonas gingivalis lipopolysaccharide infusion on cardiac dysfunction in mice. J Oral Biosci 2021; 63:394-400. [PMID: 34757204 DOI: 10.1016/j.job.2021.10.001] [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: 09/16/2021] [Revised: 09/30/2021] [Accepted: 10/06/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Periodontitis (PD) is a chronic inflammatory disease of tooth-supportive tissue. An association between PD and cardiovascular disease (CVD) has been established. Although PD is generally accepted as a risk factor for CVD, the existence of a relationship remains debatable. Possible mechanisms include the release of inflammatory mediators such as lipopolysaccharide (LPS), which may spread systemically and promote CVD. METHODS To compare the effects of lipopolysaccharide derived from Porphylomonas gingivalis (PG-LPS) on cardiac muscle in mice, mice were treated for 1 week with/without PG-LPS at a dose equivalent to the circulating level in PD patients (0.8 mg/kg/day). RESULTS Cardiac function in terms of left ventricular ejection function was significantly decreased at 1 week compared to that in the control (from 66 ± 0.5% to 57 ± 1.1%). Compared to the controls, the number of apoptotic myocytes and the area of fibrosis were significantly increased by approximately 2.7-fold and 14-fold, respectively. The impairment of cardiac function appeared to involve the activation of cAMP/PKA signaling and cAMP/calmodulin kinase II signaling (CaMKII), leading to cardiac fibrosis, myocyte apoptosis and heart failure. CONCLUSIONS Our results indicate that cAMP/PKA and cAMP/CaMKII signaling may be a new therapeutic target for the treatment of cardiovascular diseases in patients with periodontitis.
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Affiliation(s)
- Ichiro Matsuo
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan; Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Yoshiki Ohnuki
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Kenji Suita
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Misao Ishikawa
- Department of Oral Anatomy, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Yasumasa Mototani
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Aiko Ito
- Department of Orthodontics, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Yoshio Hayakawa
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan; Department of Dental Anesthesiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Megumi Nariyama
- Department of Pediatric Dentistry, Tsurumi University School of Dental Medicine, Yokohama, 236-8501, Japan
| | - Akinaka Morii
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan; Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Kenichi Kiyomoto
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan; Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Michinori Tsunoda
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan; Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Kazuhiro Gomi
- Department of Periodontology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan
| | - Satoshi Okumura
- Department of Physiology, Tsurumi University School of Dental Medicine, Yokohama, 230-8501, Japan.
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Scherbaum I, Heidecke H, Bunte K, Peters U, Beikler T, Boege F. Autoantibodies against M 5-muscarinic and beta 1-adrenergic receptors in periodontitis patients. Aging (Albany NY) 2020; 12:16609-16620. [PMID: 32857064 PMCID: PMC7485715 DOI: 10.18632/aging.103864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/21/2020] [Indexed: 12/12/2022]
Abstract
Autoantibodies against muscarinic and beta1-adrenergic receptors are considered a potential cause and/or risk factor for chronic heart failure. Association of periodontitis with such autoantibodies and with impaired heart function has been observed in patients exposed to endemic Chagas' disease, which triggers by itself cardiomyopathy and receptor immunization.Here we studied the association between periodontitis, markers of cardiac injury and receptor autoimmunization in periodontitis patients (n = 147) not exposed to Chagas' disease. The autoantibodies were determined by IgG binding to native intact muscarinic and beta1-adrenergic receptors or to a cyclic peptide mimicking the disease-relevant conformational autoepitope presented by the active beta1-adrenergic receptor. Possible cardiac injury and inflammatory status were judged by serum levels of proBNP/Troponin I and CRP/IL-6, respectively. These parameters were analysed in healthy and periodontally diseased individuals as well as before and after periodontal therapy.Patients with periodontitis had significantly (p < 0.001) higher levels of autoantibodies against M5-muscarinic and beta1-adrenergic receptors, which further increased following periodontal therapy. Receptor autoantibodies were associated with increased inflammatory status but not with increased markers of cardiac injury. Thus, our data indicate that periodontitis triggers systemic inflammation, which is associated with receptor autoimmunization, and, independently thereof, with cardiac injury.
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Affiliation(s)
- Isabel Scherbaum
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Heinrich Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
| | | | - Kübra Bunte
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ulrike Peters
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Beikler
- Department of Periodontics, Preventive and Restorative Dentistry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Fritz Boege
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Heinrich Heine University Düsseldorf, Medical Faculty, Düsseldorf, Germany
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Herrera D, Molina A, Buhlin K, Klinge B. Periodontal diseases and association with atherosclerotic disease. Periodontol 2000 2020; 83:66-89. [PMID: 32385870 DOI: 10.1111/prd.12302] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cardiovascular diseases still account for the majority of deaths worldwide, although significant improvements in survival, after being affected by cardiovascular disease, have been achieved in the last decades. Periodontal diseases are also a common global burden. Several studies have shown a link between cardiovascular disease and periodontitis, although evidence is still lacking regarding the direct cause-effect relation. During the 2012 "Periodontitis and systemic diseases" workshop, the available evidence on the association between cardiovascular and periodontal diseases was discussed, covering biologic plausibility and clinical studies. The objective of the present narrative review was to update the previous reviews presented at the 2012 workshop, following similar methodological approaches, aiming to critically assess the available evidence. With regard to biologic plausibility, two aspects were reviewed: (a) for microbiologic mechanisms, assessing periodontal bacteria as a contributing factor to atherosclerosis based on seven "proofs," substantial evidence was found for Proofs 1 through 6, but not for Proof 7 (periodontal bacteria obtained from human atheromas can cause atherosclerosis in animal models), concluding that periodontal pathogens can contribute to atherosclerosis; (b) mechanistic studies, addressing five different inflammatory pathways that could explain the links between periodontitis and cardiovascular disease with the addition of some extra pathways , suggest an association between both entities, based on the presence of higher levels of these inflammatory markers in patients with periodontitis and cardiovascular disease, vs healthy controls, as well as on the evidence that periodontal treatment reduces serum levels of these mediators. When evidence from clinical studies was analyzed, two aspects were covered: (a) epidemiologic studies support the estimation that the incidence of atherosclerotic disease is higher in individuals with periodontitis than in individuals with no reported periodontitis, irrespective of many common risk factors, but with a substantial variability in the definitions used in reporting of exposure to periodontal diseases in different studies; (b) intervention trials have shown that periodontal therapy can reduce serum inflammatory mediators, improve the lipids profile, and induce positive changes in other cardiovascular disease surrogate measures, but no evidence is available to support that adequate periodontal therapy is able to reduce the risk for cardiovascular diseases, or the incidence of cardiovascular disease events in periodontitis patients.
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Affiliation(s)
- David Herrera
- ETEP (Etiology and Therapy of Periodontal and Peri-implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - Ana Molina
- ETEP (Etiology and Therapy of Periodontal and Peri-implant Diseases) Research Group, University Complutense, Madrid, Spain
| | - Kare Buhlin
- Perio Section, Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Bjorn Klinge
- Perio Section, Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden.,Department of Periodontology, Faculty of Odontology, Malmo University, Malmo, Sweden
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6
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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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Wang X, Han M, He S, Zhang Y, Xu X, Wang Y, Dang C, Zhang J, Wang H, Chen M, Liu J, Hou D, Zhao W, Xu L, Zhang L. Diagnostic and prognostic value of autoantibodies against β 1-adrenoreceptors in patients with heart failure following acute myocardial infarction: A 5-year prospective study. Exp Ther Med 2020; 19:1259-1266. [PMID: 32010297 PMCID: PMC6966159 DOI: 10.3892/etm.2019.8331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 11/15/2019] [Indexed: 11/18/2022] Open
Abstract
A number of studies have suggested that autoantibodies against β1-adrenoreceptors (β1R-AAbs) have an important role in pathophysiological processes of heart failure. The aim of the present study was to determine whether β1R-AAbs are implicated in cardiac dysfunction following acute myocardial infarction (AMI) and their association with prognosis. A total of 33 cases with systolic heart failure (SHF), 49 with diastolic heart failure (DHF) and 44 with normal heart function following AMI were recruited. β1R-AAbs were detected by ELISA and major adverse cardiac events (MACEs) were recorded during the 5-year follow-up. The positive rate of β1R-AAbs in the SHF group (45.5%) was significantly higher compared with that in the DHF (22.4%; P<0.05) and normal (15.9%; P<0.05) groups. The area under the receiver operating characteristics curve for the diagnosis of SHF was 0.630 (95% CI: 0.514–0.747, P=0.026). During a median follow-up period of 51.0±15.4 months, the positive rate of β1R-AAbs in the MACEs group was significantly higher compared with that in the non-MACEs group (P<0.05). Multivariate logistic regression analysis indicated that the left ventricular ejection fraction and diabetes were independent predictors of 5-year MACEs following AMI, whereas β1R-AAbs were not. Kaplan-Meier analysis revealed that the cumulative MACEs-free survival rate was the lowest in the SHF group, followed by the DHF and normal groups (P<0.05). Therefore, β1R-AAbs were indicated to be of value for early diagnosis of SHF after AMI but not as independent predictors for the prognosis of patients with AMI.
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Affiliation(s)
- Xin Wang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Mengmeng Han
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Shan He
- Heart Center, Beijing Chaoyang Hospital Jingxi Branch, Capital Medical University, Beijing 100020, P.R. China
| | - Yuan Zhang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Xiaorong Xu
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Yuxing Wang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Caijing Dang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Juan Zhang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Hua Wang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Mulei Chen
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Jiamei Liu
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Dongyan Hou
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Wenshu Zhao
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Lin Xu
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Lin Zhang
- Heart Center and Beijing Key Laboratory of Hypertension Research, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
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8
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De Groof TWM, Bobkov V, Heukers R, Smit MJ. Nanobodies: New avenues for imaging, stabilizing and modulating GPCRs. Mol Cell Endocrinol 2019; 484:15-24. [PMID: 30690070 DOI: 10.1016/j.mce.2019.01.021] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/22/2019] [Accepted: 01/22/2019] [Indexed: 12/30/2022]
Abstract
The family of G protein-coupled receptors (GPCRs) is the largest class of membrane proteins and an important drug target due to their role in many (patho)physiological processes. Besides small molecules, GPCRs can be targeted by biologicals including antibodies and antibody fragments. This review describes the use of antibodies and in particular antibody fragments from camelid-derived heavy chain-only antibodies (nanobodies/VHHs/sdAbs) for detecting, stabilizing, modulating and therapeutically targeting GPCRs. Altogether, it becomes increasingly clear that the small size, structure and protruding antigen-binding loops of nanobodies are favorable features for the development of selective and potent GPCRs-binding molecules. This makes them attractive tools to modulate GPCR activity but also as targeting modalities for GPCR-directed therapeutics. In addition, these antibody-fragments are important tools in the stabilization of particular conformations of these receptors. Lastly, nanobodies, in contrast to conventional antibodies, can also easily be expressed intracellularly which render nanobodies important tools for studying GPCR function. Hence, GPCR-targeting nanobodies are ideal modalities to image, stabilize and modulate GPCR function.
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Affiliation(s)
- Timo W M De Groof
- Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Division of Medicinal Chemistry, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1108, 1081 HZ, Amsterdam, the Netherlands
| | - Vladimir Bobkov
- Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Division of Medicinal Chemistry, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1108, 1081 HZ, Amsterdam, the Netherlands; Argenx BVBA, Industriepark Zwijnaarde 7, 9052, Zwijnaarde, Belgium
| | - Raimond Heukers
- Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Division of Medicinal Chemistry, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1108, 1081 HZ, Amsterdam, the Netherlands; QVQ Holding B.V., Yalelaan 1, 3484 CL, Utrecht, the Netherlands
| | - Martine J Smit
- Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Division of Medicinal Chemistry, Faculty of Sciences, Vrije Universiteit, De Boelelaan 1108, 1081 HZ, Amsterdam, the Netherlands.
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9
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Anselmi A, Luciani M. The thin tracks of periodontal bacteria and the pathogenesis of cardiovascular diseases. Int J Cardiol 2018; 251:80-81. [PMID: 29197464 DOI: 10.1016/j.ijcard.2017.10.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Accepted: 10/23/2017] [Indexed: 10/18/2022]
Affiliation(s)
- Amedeo Anselmi
- Division of Thoracic and Cardiovascular Surgery, Pontchaillou University Hospital, Rennes, France.
| | - Marco Luciani
- Department of Cardiovascular Sciences, Catholic University of the Sacred Heart, Rome, Italy
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10
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Functional autoantibodies targeting G protein-coupled receptors in rheumatic diseases. Nat Rev Rheumatol 2017; 13:648-656. [PMID: 28855694 DOI: 10.1038/nrrheum.2017.134] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
G protein-coupled receptors (GPCRs) comprise the largest and most diverse family of integral membrane proteins that participate in different physiological processes such as the regulation of the nervous and immune systems. Besides the endogenous ligands of GPCRs, functional autoantibodies are also able to bind GPCRs to trigger or block intracellular signalling pathways, resulting in agonistic or antagonistic effects, respectively. In this Review, the effects of functional GPCR-targeting autoantibodies on the pathogenesis of autoimmune diseases, including rheumatic diseases, are discussed. Autoantibodies targeting β1 and β2 adrenergic receptors, which are expressed by cardiac and airway smooth muscle cells, respectively, have an important role in the development of asthma and cardiovascular diseases. In addition, high levels of autoantibodies against the muscarinic acetylcholine receptor M3 as well as those targeting endothelin receptor type A and type 1 angiotensin II receptor have several implications in the pathogenesis of rheumatic diseases such as Sjögren syndrome and systemic sclerosis. Expanding the knowledge of the pathophysiological roles of autoantibodies against GPCRs will shed light on the biology of these receptors and open avenues for new therapeutic approaches.
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Shpakov AO, Derkach KV. [Novel achievements in development and application of GPCR-peptides]. J EVOL BIOCHEM PHYS+ 2015; 51:11-6. [PMID: 25859600 DOI: 10.1134/s0022093015010020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
One of the approaches to creating the regulators of G-protein-coupled receptors (GPCR) is the development of peptides that structurally correspond to the functionally important regions of the intracellular extracellular loops of the receptors. GPCR-peptides can selectively regulate the functional activity of homologous receptor and affect the hormonal signal transduction via the receptor. Among the peptides corresponding to the intracellular regions of GPCR, their derivatives modified with hydrophobic radicals exhibit the highest activity and selectivity of action in vitro and in vivo. Ample evidence demonstrates that lipophilic GPCR-peptides may be used to treat diseases and various abnormalities that depend on the functional activity of receptors homologous to them. In turn, the peptides corresponding to the extracellular regions of GPCR can be used as functional probes for studying the specific interaction between the receptors and their ligands, as well as for studying the etiology and pathogenesis of autoimmune diseases caused by the production of antibodies to GPCR antigenic determinants that are localized in the receptor extracellular loops. The present review focuses on the recent achievements in development and application of GPCR-peptides and on the prospects for their further use in medicine and fundamental biology.
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Sánchez-Siles M, Rosa-Salazar V, Salazar-Sánchez N, Camacho-Alonso F. Periodontal disease as a risk factor of recurrence of venous thromboembolic disease: a prospective study. Acta Odontol Scand 2015; 73:8-13. [PMID: 25373515 DOI: 10.3109/00016357.2014.920514] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND In recent years, periodontal disease has been related to a large number of systemic disorders. OBJECTIVE To study the possible relationship between periodontal disease and high levels of D-dimer in a group of patients with venous thromboembolic disease. MATERIALS AND METHODS A study was made of 142 patients diagnosed with unprovoked venous thromboembolic disease. All patients underwent oral examination consecutively and randomly. Finally, two groups were obtained: (a) patients with periodontal disease (n = 71); and (b) patients without periodontal disease (n = 71). All patients were subjected to periodontal study, with evaluation of the number of teeth, bleeding index, gingival index, simplified oral hygiene index, community periodontal index of treatment needs, clinical attachment level, probe depth, number of pockets ≥4 mm, number of pockets ≥6 mm. The D-dimer values were evaluated in both groups. RESULTS D-dimer values were higher in the study group than the control group, with statistically significant differences (p = 0.010). CONCLUSIONS A relationship is observed between the presence of periodontal disease and high D-dimer levels. Patients with venous thromboembolic disease and periodontal disease could have more risk of a new thromboembolism episode.
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Agonistic autoantibodies directed against G-protein-coupled receptors and their relationship to cardiovascular diseases. Semin Immunopathol 2014; 36:351-63. [PMID: 24777744 DOI: 10.1007/s00281-014-0425-9] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 04/01/2014] [Indexed: 02/06/2023]
Abstract
Agonistic autoantibodies (AABs) against G-protein-coupled receptor (GPCR) are present mainly in diseases of the cardiovascular system or in diseases associated with cardiovascular disturbances. The increasing knowledge about the role of autoantibodies against G-protein-coupled receptor (GPCR-AABs) as pathogenic drivers, the resulting development of strategies aimed at their removal or neutralization, and the evidenced patient benefit associated with such therapies have created the need for a summary of GPCR-AAB-associated diseases. Here, we summarize the present knowledge about GPCR-AABs in cardiovascular diseases. The identity of the GPCR-AABs and their prevalence in each of several specific cardiovascular diseases are documented. The structure of GPCR is also briefly discussed. Using this information, differences between classic agonists and GPCR-AABs in their GPCR binding and activation are presented and the resulting pathogenic consequences are discussed. Furthermore, treatment strategies that are currently under study, most of which are aimed at the removal and in vivo neutralization of GPCR-AABs, are indicated and their patient benefits discussed. In this context, immunoadsorption using peptides/proteins or aptamers as binders are introduced. The use of peptides or aptamers for in vivo neutralization of GPCR-AABs is also described. Particular attention is given to the GPCR-AABs directed against the adrenergic beta1-, beta2-, and α1-receptor as well as the muscarinic receptor M2, angiotensin II-angiotensin receptor type I, endothelin1 receptor type A, angiotensin (1-7) Mas-receptor, and 5-hydroxytryptamine receptor 4. Among the diseases associated with GPCR-AABs, special focus is given to idiopathic dilated cardiomyopathy, Chagas' cardiomyopathy, malignant and pulmonary hypertension, and kidney diseases. Relationships of GPCR-AABs are indicated to glaucoma, peripartum cardiomyopathy, myocarditis, pericarditis, preeclampsia, Alzheimer's disease, Sjörgren's syndrome, and metabolic syndrome after cancer chemotherapy.
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Reina S, Hoyos F, Carranza N, Borda E. Salivary inflammatory mediators and metalloproteinase 3 in patients with chronic severe periodontitis before and after periodontal phase I therapy. ACTA ACUST UNITED AC 2013. [DOI: 10.7243/2053-5775-1-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Reina S, Ganzinelli S, Sterin-Borda L, Borda E. Pro-apoptotic effect of anti-β1-adrenergic receptor antibodies in periodontitis patients. Int Immunopharmacol 2012; 14:710-21. [PMID: 23103827 DOI: 10.1016/j.intimp.2012.10.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Revised: 10/10/2012] [Accepted: 10/10/2012] [Indexed: 02/04/2023]
Abstract
An anti-β(1)-adrenergic antibody from the sera of periodontitis patients (anti-β(1)-AR IgG) against the second extracellular loop of the human β(1)-adrenoceptor (β(1)-AR) has been shown to cause rat atria apoptosis. The anti-β(1)-AR IgG binds and activates atria β(1)-AR, increasing the intracellular calcium concentration, which, in turn, activates caspases-3, -8, and -9. The β(1)-AR and the post-receptor activation of calcium/calmodulin (CaM) lead to increased inducible nitric oxide synthase (iNOS) activity, with an increase in cyclic GMP (cGMP) accumulation as well as increased JNK phosphorylation and cyclic AMP (cAMP) production. We also observed an apoptotic effect of anti-β(1)-AR IgG, with increased generation of PGE(2). Comparatively, xamoterol, an authentic β(1)-AR agonist, mimicked the autoantibody effect on rat atria β(1)-AR apoptosis. Our results suggest that autoantibodies from the sera of periodontitis patients bind and interact with rat atria β(1)-AR, provoking apoptosis. This implicates a series of modulatory cardiac signaling events that could alter normal heart function and may occur with chronic stimulation of the atria β(1)-AR, which could lead to heart failure. These results suggest an important link between periodontitis and cardiovascular disease.
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Affiliation(s)
- Silvia Reina
- Pharmacology Unit, School of Dentistry, University of Buenos Aires, Buenos Aires, Argentina
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Wick PA, Mombelli A, Pagano S, Moren X, Giannopoulou C, Mach F, Roux-Lombard P, Vuilleumier N. Anti-apolipoprotein A-1 autoantibodies as biomarker for atherosclerosis burden in patients with periodontitis. J Periodontal Res 2012; 48:350-6. [PMID: 23050768 DOI: 10.1111/jre.12014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2012] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND OBJECTIVE Anti-apolipoprotein A-1 (anti-apoA-1) IgG is a potential marker of atherosclerotic plaque vulnerability and cardiovascular complications. In patients with periodontitis the presence of anti-apoA-1 IgGs in serum and their association with atherosclerosis is unknown. MATERIAL AND METHODS One-hundred and thirty subjects with periodontal disease and 46 healthy subjects, matched for age and gender, participated in this study. Anti-apoA-1 IgG, high-sensitivity C-reactive protein (hsCRP) and matrix metalloproteinase (MMP) -2, -3, -8 and -9 were measured in serum samples. An ankle-brachial index (ABI) value below 1.11 served as a surrogate marker of atherosclerosis. Predictive accuracies of biomarkers for abnormal ABI were determined using receiver-operating characteristics curves and logistic regression analyses. RESULTS Compared with healthy controls, periodontitis patients showed lower median ABI values (1.10 vs. 1.15; p < 0.0001), a higher prevalence of anti-apoA-1 IgG positivity (23.8% vs. 6.5%; p = 0.009) and higher concentrations of hsCRP (1.62 mg/L vs. 0.85 mg/L; p = 0.02) and MMP-9 (435 μg/mL vs. 283 μg/mL; p < 0.0001). In patients younger than 50 years of age (n = 66), anti-apoA-1 IgG was found to be the best predictor for an abnormal ABI (area under the curve = 0.63; p = 0.03). Anti-apoA-1 IgG positivity increased the risk of having an abnormal ABI (odds ratio = 4.20; p = 0.04), independently of diabetes, smoking and body mass index. CONCLUSIONS Anti-apoA-1 IgG positivity and atherosclerosis, as reflected by abnormal ABI, were more prevalent in periodontitis patients than in age- and gender-matched controls. In younger periodontitis patients, anti-apoA-1 IgG was found to be the best predictor of atherosclerosis burden.
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Affiliation(s)
- P A Wick
- Department of Periodontology, School of Dental Medicine, University of Geneva, Geneva, Switzerland
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