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Pokeerbux MR, Mavingui P, Gérardin P, Agrinier N, Gokalsing E, Meilhac O, Cournot M. A Holistic Approach to Cardiometabolic and Infectious Health in the General Population of Reunion Island: The REUNION Study. J Epidemiol Glob Health 2024; 14:839-846. [PMID: 38564109 PMCID: PMC11442726 DOI: 10.1007/s44197-024-00221-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
INTRODUCTION Reunion Island is a French overseas department in the South West Indian Ocean with a unique multi-ethnic population. Cardiovascular diseases are the most common chronic conditions with higher prevalences of hypertension and diabetes compared to mainland France. Moreover, Reunion Island is particularly exposed to vector-borne diseases such as chikungunya and dengue. Our objective is to describe the prevalence of cardiometabolic and infectious diseases in Reunion Island and explore causal mechanisms linking these diseases. METHODS The REUNION study is an ongoing French prospective study. From January 2022, 2,000 consenting participants (18-68 years old) are being recruited from the general population according to polling lists and random generation of cellphone number. Baseline examination consists of (i) general health examination, assessment of cardiovascular risk factors, markers of subclinical atherosclerosis, bronchial obstruction, neuropathic and autonomic dysfunction, (ii) questionnaires to determine sociodemographic characteristics, diet, exposure to vector-borne diseases, mental health and cognitive functions, social inequalities in health and ethnic origins, (iii) biological sampling for determination of cardiovascular risk factors, seroprevalence of infectious diseases, innovative lipid biomarkers, advanced omics, composition of intestinal, periodontal and skin microbiota, and biobanking. CONCLUSIONS The REUNION study should provide new insights into the prevalence of cardiometabolic and infectious diseases, as well as their potential associations through the examination of various environmental pathways and a wide range of health aspects.
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Affiliation(s)
- Mohammad Ryadh Pokeerbux
- Université de La Réunion, UMR Diabète Athérothrombose Réunion Océan Indien (DéTROI), INSERM U1188, Saint-Pierre, La Réunion, 97410, France.
| | - Patrick Mavingui
- Université de La Réunion, UMR Processus Infectieux en Milieu Insulaire et Tropical (PIMIT), CNRS 9192, INSERM U1187, IRD 249, Sainte-Clotilde, La Réunion, 97490, France
| | - Patrick Gérardin
- Plateforme de Recherche Clinique et Translationnelle, INSERM CIC1410, CHU de La Réunion, Saint-Pierre, La Réunion, 97400, France
| | - Nelly Agrinier
- CHRU-Nancy, Université de Lorraine, CIC, Epidémiologie clinique, Inserm, Nancy, F-54000, France
- Université de Lorraine, Inserm, INSPIIRE, Nancy, F-54000, France
| | - Erick Gokalsing
- Etablissement Public de Santé Mentale de La Réunion, 42 chemin du Grand Pourpier, 97866, Saint-Paul Cedex, France
- Laboratoire IRISSE (IngéniéRIe de la Santé, du Sport et de l'Environnement), Université de La Réunion, UFR SHE, Saint Pierre, EA, 4075, France
| | - Olivier Meilhac
- Université de La Réunion, UMR Diabète Athérothrombose Réunion Océan Indien (DéTROI), INSERM U1188, Saint-Pierre, La Réunion, 97410, France
- Plateforme de Recherche Clinique et Translationnelle, INSERM CIC1410, CHU de La Réunion, Saint-Pierre, La Réunion, 97400, France
| | - Maxime Cournot
- Université de La Réunion, UMR Diabète Athérothrombose Réunion Océan Indien (DéTROI), INSERM U1188, Saint-Pierre, La Réunion, 97410, France
- Groupe de santé Clinifutur, Clinique Les Orchidées, Le Port, La Réunion, 97420, France
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Peng B, Luo Y, Xie S, Zhuang Q, Li J, Zhang P, Liu K, Zhang Y, Zhou C, Guo C, Zhou Z, Zhou J, Cai Y, Xia M, Cheng K, Ming Y. Proliferation of MDSCs may indicate a lower CD4+ T cell immune response in schistosomiasis japonica. Parasite 2024; 31:52. [PMID: 39212529 PMCID: PMC11363901 DOI: 10.1051/parasite/2024050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 07/25/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Schistosoma japonicum (S. japonicum) is the main species of Schistosoma prevalent in China. Myeloid-derived suppressor cells (MDSCs) are important immunoregulatory cells and generally expand in parasite infection, but there is little research relating to MDSCs in Schistosoma infection. METHODS Fifty-six S. japonicum-infected patients were included in this study. MDSCs and percentages and absolute cell numbers of lymphocyte subsets, including CD3+ T cells, CD4+ T cells, CD8+ T cells, B cells and natural killer (NK) cells were detected using flow cytometry. The degree of liver fibrosis was determined using color Doppler ultrasound. RESULTS Patients infected with S. japonicum had a much higher percentage of MDSCs among peripheral blood mononuclear cells (PBMCs) than the healthy control. Regarding subpopulations of MDSCs, the percentage of granulocytic myeloid-derived suppressor cells (G-MDSCs) was clearly increased. Correlation analysis showed that the absolute cell counts of T-cell subsets correlated negatively with the percentages of MDSCs and G-MDSCs among PBMCs. The percentage of G-MDSCs in PBMCs was also significantly higher in patients with liver fibrosis diagnosed by color doppler ultrasound (grade > 0), and the percentage of G-MDSCs in PBMCs and liver fibrosis grading based on ultrasound showed a positive correlation. CONCLUSION S. japonicum infection contributes to an increase in MDSCs, especially G-MDSCs, whose proliferation may inhibit the number of CD4+ T cells in peripheral blood. Meanwhile, there is a close relationship between proliferation of G-MDSCs and liver fibrosis in S. japonicum-infected patients.
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Affiliation(s)
- Bo Peng
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Yulin Luo
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Shudong Xie
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Quan Zhuang
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Junhui Li
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Pengpeng Zhang
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Kai Liu
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Yu Zhang
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Chen Zhou
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Chen Guo
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Zhaoqin Zhou
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Jie Zhou
- Schistosomiasis Control Institute of Hunan Province, Yueyang, Hunan, China - Xiangyue Hospital affiliated to Hunan Institute of Schistosomiasis Control, Yueyang, Hunan, China
| | - Yu Cai
- Xiangyue Hospital affiliated to Hunan Institute of Schistosomiasis Control, Yueyang, Hunan, China
| | - Meng Xia
- Xiangyue Hospital affiliated to Hunan Institute of Schistosomiasis Control, Yueyang, Hunan, China
| | - Ke Cheng
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
| | - Yingzi Ming
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China - NHC Key Laboratory of Translational Research on Transplantation Medicine, Changsha, Hunan, China
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Wu Y, Xing L, Lu L, Liu S, Zhao D, Lin L, Wang S, Li C, Pan Y. Alterations in the Salivary Microbiome and Metabolism in Patients With Carotid Atherosclerosis from Rural Northeast China. J Am Heart Assoc 2024; 13:e034014. [PMID: 39082416 DOI: 10.1161/jaha.123.034014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 06/25/2024] [Indexed: 08/07/2024]
Abstract
BACKGROUND Periodontitis and atherosclerosis are both chronic inflammatory diseases with a high prevalence. Increasing evidence supports the independent association between severe periodontitis and atherosclerotic cardiovascular disease, in which oral microorganisms may play an important role. We aimed to evaluate the characteristic changes of salivary microbiome and metabolome in patients with carotid atherosclerosis (CAS) and periodontitis. METHODS AND RESULTS The subjects were obtained from a cross-sectional study that included 1933 participants aged 40 years or older from rural northeast China. The study enrolled 48 subjects with CAS and 48 controls without CAS matched by sex, age, body mass index, and prevalence of hypertension, diabetes, and dyslipidemia. We performed full-length 16S rDNA gene sequencing and untargeted metabolomics of saliva samples from 96 subjects. We found that CAS was closely associated with an increased abundance of Streptococcus, Lactobacillus, and Cutibacterium. Furthermore, patients with CAS had higher prevalence of severe periodontitis than the control group. Notably, periodontal pathogens such as Tannerella and Anaeroglobus were not only associated with periodontitis but also enriched in patients with CAS, whereas periodontal health-associated Neisseria was more abundant in those without CAS. We also identified 2 lipid metabolism pathways, including glycerophospholipid and sphingolipid metabolism, as associated with CAS. The levels of trimethylamine N-oxide and inflammatory mediator leukotriene D4 were significantly higher in patients with CAS, whereas the levels of carnosine were significantly lower, than those in controls. Additionally, serum levels of inflammatory marker high-sensitivity C-reactive protein were significantly increased in CAS and positively correlated with the abundance of Anaeroglobus and leukotriene D4 in saliva. CONCLUSIONS Our study suggests that characteristic changes in salivary microbiota and metabolites are closely related to CAS, and periodontitis and associated microorganisms may be involved in the initiation and progression of CAS.
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Affiliation(s)
- Yahong Wu
- Department of Periodontology, School and Hospital of Stomatology China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases Shenyang China
| | - Liying Xing
- Institute of Chronic Disease Liaoning Provincial Center for Disease Control and Prevention Shenyang China
| | - Lijie Lu
- Department of Periodontology, School and Hospital of Stomatology China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases Shenyang China
| | - Shuang Liu
- Department of Cardiovascular Ultrasound The Fourth Hospital of China Medical University Shenyang China
| | - Dan Zhao
- Department of Implant Dentistry, Beijing Stomatological Hospital Capital Medical University Beijing China
| | - Li Lin
- Department of Periodontology, School and Hospital of Stomatology China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases Shenyang China
| | - Songlin Wang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital Capital Medical University Beijing China
| | - Chen Li
- Department of Periodontology, School and Hospital of Stomatology China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases Shenyang China
| | - Yaping Pan
- Department of Periodontology, School and Hospital of Stomatology China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases Shenyang China
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Lu L, Zhao D, Li C, Sun Y, Geng F, Zhang S, Li W, Wang S, Pan Y. The role of periodontitis in the development of atherosclerotic cardiovascular disease in participants with the components of metabolic syndrome: a systematic review and meta-analysis. Clin Oral Investig 2024; 28:339. [PMID: 38801482 DOI: 10.1007/s00784-024-05731-1] [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: 02/27/2024] [Accepted: 05/18/2024] [Indexed: 05/29/2024]
Abstract
OBJECTIVES Prevention of atherosclerotic cardiovascular disease (ASCVD) is important in individuals with metabolic syndrome components (MetS), and periodontitis may play an important role in this process. This study aims to evaluate the association between periodontitis and ASCVD in participants with the components of MetS, including obesity, dysglycemia, hypertension, and dyslipidemia. MATERIALS AND METHODS This study conducted followed the MOOSE reporting guidelines and the PRISMA 2020 guidelines. EMBASE, MEDLINE, Web of Science, Cochrane Library, PubMed and OpenGrey were searched for observational studies about the linkage of periodontitis to ASCVD in people with MetS components up to April 9, 2023. Cohort, case-control and cross-sectional studies were included after study selection. Quality evaluation was carried out using the original and modified Newcastle-Ottawa Scale as appropriate. Random-effects model was employed for meta-analysis. RESULTS Nineteen studies were finally included in the quality analysis, and all of them were assessed as moderate to high quality. Meta-analyses among fifteen studies revealed that the participants with periodontitis were more likely to develop ASCVD in those who have dysglycemia (RR = 1.25, 95% CI = 1.13-1.37; p < 0.05), obesity (RR = 1.13, 95% CI = 1.02-1.24; p < 0.05), dyslipidemia (RR = 1.36, 95% CI = 1.13-1.65; p < 0.05), or hypertension (1.20, 95% CI = 1.05-1.36; p < 0.05). CONCLUSIONS Periodontitis promotes the development of ASCVD in participants with one MetS component (obesity, dysglycemia, hypertension or dyslipidemia). CLINICAL RELEVANCE In people with MetS components, periodontitis may contribute to the ASCVD incidence.
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Affiliation(s)
- Lijie Lu
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Dan Zhao
- Department of Implant Dentistry, Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Chen Li
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yangyang Sun
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Fengxue Geng
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Shuwei Zhang
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Weiqi Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, Sichuan University, Chengdu, China
| | - Songlin Wang
- Salivary Gland Disease Center, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Laboratory of Oral Health and Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China.
| | - Yaping Pan
- Department of Periodontics, School and Hospital of Stomatology, China Medical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China.
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Sharma H, Mossman K, Austin RC. Fatal attractions that trigger inflammation and drive atherosclerotic disease. Eur J Clin Invest 2024; 54:e14169. [PMID: 38287209 DOI: 10.1111/eci.14169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/14/2023] [Accepted: 01/09/2024] [Indexed: 01/31/2024]
Abstract
BACKGROUND Atherosclerosis is the salient, underlying cause of cardiovascular diseases, such as arrhythmia, coronary artery disease, cardiomyopathy, pulmonary embolism and myocardial infarction. In recent years, atherosclerosis pathophysiology has evolved from a lipid-based to an inflammation-centric ideology. METHODS This narrative review is comprised of review and original articles that were found through the PubMed search engine. The following search terms or amalgamation of terms were used: "cardiovascular disease," "atherosclerosis," "inflammation," "GRP78," "Hsp60," "oxidative low-density lipoproteins," "aldehyde dehydrogenase," "β2-glycoprotein," "lipoprotein lipase A," "human cytomegalovirus." "SARS-CoV-2," "chlamydia pneumonia," "autophagy," "thrombosis" and "therapeutics." RESULTS Emerging evidence supports the concept that atherosclerosis is associated with the interaction between cell surface expression of stress response chaperones, including GRP78 and Hsp60, and their respective autoantibodies. Moreover, various other autoantigens and their autoantibodies have displayed a compelling connection with the development of atherosclerosis, including oxidative low-density lipoproteins, aldehyde dehydrogenase, β2-glycoprotein and lipoprotein lipase A. Atherosclerosis progression is also concurrent with viral and bacterial activators of various diseases. This narrative review will focus on the contributions of human cytomegalovirus as well as SARS-CoV-2 and chlamydia pneumonia in atherosclerosis development. Notably, the interaction of an autoantigen with their respective autoantibodies or the presence of a foreign antigen can enhance inflammation development, which leads to atherosclerotic lesion progression. CONCLUSION We will highlight and discuss the complex role of the interaction between autoantigens and autoantibodies, and the presence of foreign antigens in the development of atherosclerotic lesions in relationship to pro-inflammatory responses.
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Affiliation(s)
- Hitesh Sharma
- Division of Nephrology, Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton and the Hamilton Centre for Kidney Research, Hamilton, Ontario, Canada
| | - Karen Mossman
- Department of Medicine, Michael DeGroote Institute for Infectious Disease Research and the McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Richard C Austin
- Division of Nephrology, Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton and the Hamilton Centre for Kidney Research, Hamilton, Ontario, Canada
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Baghel K, Khan A, Kango N. Role of Synbiotics (Prebiotics and Probiotics) as Dietary Supplements in Type 2 Diabetes Mellitus Induced Health Complications. J Diet Suppl 2024; 21:677-708. [PMID: 38622882 DOI: 10.1080/19390211.2024.2340509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Diabetes is a metabolic disorder whose prevalence has become a worrying condition in recent decades. Chronic diabetes can result in serious health conditions such as impaired kidney function, stroke, blindness, and myocardial infarction. Despite a variety of currently available treatments, cases of diabetes and its complications are on the rise. This review article provides a comprehensive account of the ameliorative effect of prebiotics and probiotics individually or in combination i.e. synbiotics on health complications induced by Type 2 Diabetes Mellitus (T2DM). Recent advances in the field underscore encouraging outcomes suggesting the consumption of synbiotics leads to favorable changes in the gut microbiota. These changes result in the production of bioactive metabolites such as short-chain fatty acids (crucial for lowering blood sugar levels), reducing inflammation, preventing insulin resistance, and encouraging the release of glucagon-like peptide-1 in the host. Notably, novel strategies supplementing synbiotics to support gut microbiota are gaining attraction as pivotal interventions in mitigating T2DM-induced health complications. Thus, by nurturing a symbiotic relationship between prebiotics and probiotics i.e. synbiotics, these interventions hold promise in reshaping the microbial landscape of the gut thereby offering a multifaceted approach to managing T2DM and its associated morbidities. Supporting the potential of synbiotics underscores a paradigm shift toward holistic and targeted interventions in diabetes management, offering prospects for improved outcomes and enhanced quality of life for affected individuals. Nevertheless, more research needs to be done to better understand the single and multispecies pre/pro and synbiotics in the prevention and management of T2DM-induced health complications.
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Affiliation(s)
- Kalpana Baghel
- Department of Microbiology, School of Biological Sciences, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, India
- Department of Zoology, School of Biological Sciences, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, India
| | - Aamir Khan
- Department of Zoology, School of Biological Sciences, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, India
| | - Naveen Kango
- Department of Microbiology, School of Biological Sciences, Dr Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP, India
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Brun A, Petit C, Huck O, Bouchard P, Carra MC, Gosset M. [Periodontitis : An underestimated risk of cardiovascular diseases]. Med Sci (Paris) 2024; 40:35-41. [PMID: 38299901 DOI: 10.1051/medsci/2023193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Abstract
Epidemiological studies have identified periodontitis as a contributing factor to cardiovascular risk. Periodontitis is a chronic inflammatory disease that affects the tissues supporting the teeth. Although the nature of the association between periodontitis and cardiovascular disease (CVD) remains to be defined, the low-grade systemic inflammation and chronic bacteremia associated with periodontitis appear to be involved in the development of atherosclerosis and associated cardiovascular pathologies. Periodontal treatment has been shown to improve cardiovascular health parameters. A bidirectional preventive approach, involving the management of both periodontitis and cardiovascular risk factors, could lead to a reduction in morbidity and mortality related to cardiovascular disease.
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Affiliation(s)
- Adrian Brun
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Henri Mondor (AP-HP), service de médecine bucco-dentaire, Créteil, France
| | - Catherine Petit
- Laboratoire de nanomédecine régénérative, Inserm UMR 1260, CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France - Département de parodontologie, faculté de chirurgie dentaire Robert Frank, Strasbourg, France - Hôpitaux universitaires de Strasbourg, pôle de médecine et chirurgie bucco-dentaire, Strasbourg, France
| | - Olivier Huck
- Laboratoire de nanomédecine régénérative, Inserm UMR 1260, CRBS, 1 rue Eugène Boeckel, 67000 Strasbourg, France - Département de parodontologie, faculté de chirurgie dentaire Robert Frank, Strasbourg, France - Hôpitaux universitaires de Strasbourg, pôle de médecine et chirurgie bucco-dentaire, Strasbourg, France
| | - Philippe Bouchard
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Rothschild (AP-HP), service d'odontologie, 5 rue Santerre 75012 Paris
| | - Maria Clotilde Carra
- Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Rothschild (AP-HP), service d'odontologie, 5 rue Santerre 75012 Paris - Epidemiology and Statistics Research Centre, Inserm UMR1153, Paris, France
| | - Marjolaine Gosset
- Unité de recherche URP2496, Biomedical Research In Odontology (BRIO), France - Université Paris Cité, faculté de santé, UFR d'odontologie, Montrouge, France - Hôpital Charles Foix (AP-HP), service de médecine bucco-dentaire, Ivry/Seine, France
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Carra MC, Rangé H, Caligiuri G, Bouchard P. Periodontitis and atherosclerotic cardiovascular disease: A critical appraisal. Periodontol 2000 2023. [PMID: 37997210 DOI: 10.1111/prd.12528] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/12/2023] [Indexed: 11/25/2023]
Abstract
In spite of intensive research efforts driving spectacular advances in terms of prevention and treatments, cardiovascular diseases (CVDs) remain a leading health burden, accounting for 32% of all deaths (World Health Organization. "Cardiovascular Diseases (CVDs)." WHO, February 1, 2017, https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds)). Cardiovascular diseases are a group of disorders affecting the heart and blood vessels. They encompass a collection of different conditions, among which atherosclerotic cardiovascular disease (ASCVD) is the most prevalent. CVDs caused by atherosclerosis, that is, ASCVD, are particularly fatal: with heart attack and stroke being together the most prevalent cause of death in the world. To reduce the health burden represented by ASCVD, it is urgent to identify the nature of the "residual risk," beyond the established risk factors (e.g., hypertension) and behavioral factors already maximally targeted by drugs and public health campaigns. Remarkably, periodontitis is increasingly recognized as an independent cardiovascular risk factor.
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Affiliation(s)
- Maria Clotilde Carra
- UFR d'Odontologie, Université Paris Cité, Paris, France
- Service of Odontology, Periodontal and Oral Surgery Unit, Rothschild Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
- INSERM- Sorbonne Paris Cité Epidemiology and Statistics Research Centre (CRESS), Paris, France
| | - Hélène Rangé
- UFR d'Odontologie, Université de Rennes, Rennes, France
- Service of Odontology, Centre Hospitalier Universitaire de Rennes, Rennes, France
- NUMECAN Institute (Nutrition Metabolisms and Cancer), INSERM, INRAE, University of Rennes, Rennes, France
| | - Giuseppina Caligiuri
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, Laboratory for Vascular Translational Science (LVTS), Paris, France
- Department of Cardiology and of Physiology, Hôpitaux Universitaires Paris Nord Val-de-Seine, Site Bichat, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Philippe Bouchard
- UFR d'Odontologie, Université Paris Cité, Paris, France
- URP 2496, Université Paris Cité, Paris, France
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Huang X, Xie M, Lu X, Mei F, Song W, Liu Y, Chen L. The Roles of Periodontal Bacteria in Atherosclerosis. Int J Mol Sci 2023; 24:12861. [PMID: 37629042 PMCID: PMC10454115 DOI: 10.3390/ijms241612861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/05/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Atherosclerosis (AS) is an inflammatory vascular disease that constitutes a major underlying cause of cardiovascular diseases (CVD) and stroke. Infection is a contributing risk factor for AS. Epidemiological evidence has implicated individuals afflicted by periodontitis displaying an increased susceptibility to AS and CVD. This review concisely outlines several prevalent periodontal pathogens identified within atherosclerotic plaques, including Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, and Fusobacterium nucleatum. We review the existing epidemiological evidence elucidating the association between these pathogens and AS-related diseases, and the diverse mechanisms for which these pathogens may engage in AS, such as endothelial barrier disruption, immune system activation, facilitation of monocyte adhesion and aggregation, and promotion of foam cell formation, all of which contribute to the progression and destabilization of atherosclerotic plaques. Notably, the intricate interplay among bacteria underscores the complex impact of periodontitis on AS. In conclusion, advancing our understanding of the relationship between periodontal pathogens and AS will undoubtedly offer invaluable insights and potential therapeutic avenues for the prevention and management of AS.
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Affiliation(s)
- Xiaofei Huang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- 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; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- 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; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Feng Mei
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Yang Liu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (X.H.); (M.X.); (X.L.); (F.M.); (W.S.)
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan 430022, China
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10
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Tsai KZ, Huang WC, Chang YC, Kwon Y, Sui X, Lavie CJ, Lin GM. Localized periodontitis severity associated with carotid intima-media thickness in young adults: CHIEF atherosclerosis study. Sci Rep 2023; 13:10523. [PMID: 37386122 PMCID: PMC10310726 DOI: 10.1038/s41598-023-37840-4] [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: 04/12/2023] [Accepted: 06/28/2023] [Indexed: 07/01/2023] Open
Abstract
This study aimed to investigate the association of periodontitis with subclinical atherosclerosis in young adults. In total, 486 non-diabetic military personnel were included in Taiwan. Carotid intima-media thickness (cIMT) was assessed utilizing sonography for subclinical atherosclerosis. Periodontitis severity was defined based on the 2017 US/European consensus. Mean cIMT was compared by analysis of covariance (ANCOVA), and multiple logistic regression model was used to determine the association of periodontitis severity and the highest quintile of cIMT (≥ 0.8 mm) with adjustments for age, sex, metabolic risk factors and leukocyte counts. The mean cIMT increased in those with greater stages (periodontal health (N = 349): 0.65 mm, Stage I (N = 41): 0.72 mm, Stage II (N = 57): 0.74 mm and Stage III: 0.76 mm, respectively, p < 0.01). In multiple logistic regression, a dose-response association from Stage I to Stage III periodontitis for cIMT ≥ 0.8 mm was also found [ORs and 95% CIs 1.41 (0.60-3.29), 1.62 (0.79-3.31) and 3.20 (1.42-7.18)]. Leucocyte counts ≥ 7.6 × 103/µL (the highest quintile) was associated with cIMT ≥ 0.8 mm [OR 1.86 (1.11-3.12)], while no association existed for other metabolic risk factors. In conclusion, severe periodontitis and leukocyte counts are independent risk factors of increased cIMT, emphasizing the critical role of inflammation in subclinical atherosclerosis.
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Affiliation(s)
- Kun-Zhe Tsai
- Department of Internal Medicine, Hualien Armed Forces General Hospital, No. 100, Jinfeng St., Hualien City, 970, Taiwan
- Department of Stomatology of Periodontology, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Wei-Chun Huang
- Department of Critical Care Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Yun-Chen Chang
- School of Nursing and Graduate Institute of Nursing, China Medical University, Taichung, 406, Taiwan
| | - Younghoon Kwon
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Xuemei Sui
- Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Carl J Lavie
- John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA, USA
| | - Gen-Min Lin
- Department of Internal Medicine, Hualien Armed Forces General Hospital, No. 100, Jinfeng St., Hualien City, 970, Taiwan.
- Department of Internal Medicine, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan.
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11
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Xie J, Zhu CL, Wan XJ, Zhao ZZ, Meng Y, Li P, Guo Y, Liu Q, Bian JJ, Deng XM, Wang JF. GSDMD-mediated NETosis promotes the development of acute respiratory distress syndrome. Eur J Immunol 2023; 53:e2250011. [PMID: 36250416 DOI: 10.1002/eji.202250011] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 02/02/2023]
Abstract
Gasdermin D (GSDMD) is a classical molecule involved in pyroptosis. It has been reported to be cleaved into N-terminal fragments to form pores in the neutrophil membrane and promote the release of neutrophil extracellular traps (NETs). However, it remains unclear if GSDMD is involved in neutrophil regulation and NET release during ARDS. The role of neutrophil GSDMD in the development of ARDS was investigated in a murine model of ARDS induced by lipopolysaccharide (LPS) using the neutrophil specific GSDMD-deficient mice. The neutrophil GSDMD cleavage and its relationship with NETosis were also explored in ARDS patients. The cleavage of GSDMD in neutrophils from ARDS patients and mice was upregulated. Inhibition of GSDMD by genetic knockout or inhibitors resulted in reduced production of NET both in vivo and in vitro, and attenuation of LPS-induced lung injury. Moreover, in vitro experiments showed that the inhibition of GSDMD attenuated endothelial injury co-cultured with neutrophils from ARDS patients, while extrinsic NETs reversed the protective effect of GSDMD inhibition. Collectively, our data suggest that the neutrophil GSDMD cleavage is crucial in NET release during ARDS. The NET release maintained by cleaved GSDMD in neutrophils may be a key event in the development of ARDS.
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Affiliation(s)
- Jian Xie
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Cheng-Long Zhu
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Xiao-Jian Wan
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Zhen-Zhen Zhao
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Yan Meng
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Peng Li
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Yu Guo
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Qiang Liu
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Jin-Jun Bian
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Xiao-Ming Deng
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
| | - Jia-Feng Wang
- Faculty of Anesthesiology, Changhai Hospital, the Naval Medical University, Shanghai, P. R. China
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12
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Rouland A, Masson D, Lagrost L, Vergès B, Gautier T, Bouillet B. Role of apolipoprotein C1 in lipoprotein metabolism, atherosclerosis and diabetes: a systematic review. Cardiovasc Diabetol 2022; 21:272. [PMID: 36471375 PMCID: PMC9724408 DOI: 10.1186/s12933-022-01703-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022] Open
Abstract
Apolipoprotein C1 (apoC1) is a small size apolipoprotein whose exact role is not totally clarified but which seems to modulate significantly the metabolism of lipoproteins. ApoC1 is involved in the metabolism of triglyceride-rich lipoproteins by inhibiting the binding of very low density lipoproteins (VLDL) to VLDL-receptor (VLDL-R), to low density lipoprotein receptor (LDL-R) and to LDL receptor related protein (LRP), by reducing the activity of lipoprotein lipase (LPL) and by stimulating VLDL production, all these effects leading to increase plasma triglycerides. ApoC1 takes also part in the metabolism of high density lipoproteins (HDL) by inhibiting Cholesterol Ester Transfer Protein (CETP). The functionality of apoC1 on CETP activity is impaired in diabetes that might account, at least in part, for the increased plasma CETP activity observed in patients with diabetes. Its different effects on lipoprotein metabolism with a possible role in the modulation of inflammation makes the net impact of apoC1 on cardiometabolic risk difficult to figure out and apoC1 might be considered as pro-atherogenic or anti-atherogenic depending on the overall metabolic context. Making the link between total plasma apoC1 levels and the risk of cardio-metabolic diseases is difficult due to the high exchangeability of this small protein whose biological effects might depend essentially on its association with VLDL or HDL. The role of apoC1 in humans is not entirely elucidated and further studies are needed to determine its precise role in lipid metabolism and its possible pleiotropic effects on inflammation and vascular wall biology. In this review, we will present data on apoC1 structure and distribution among lipoproteins, on the effects of apoC1 on VLDL metabolism and HDL metabolism and we will discuss the possible links between apoC1, atherosclerosis and diabetes.
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Affiliation(s)
- Alexia Rouland
- grid.31151.37Endocrinology and Diabetology Unit, University Hospital, Dijon, France ,grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France
| | - David Masson
- grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France ,LipSTIC LabEx, UFR Sciences de Santé, Dijon, France
| | - Laurent Lagrost
- grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France ,LipSTIC LabEx, UFR Sciences de Santé, Dijon, France
| | - Bruno Vergès
- grid.31151.37Endocrinology and Diabetology Unit, University Hospital, Dijon, France ,grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France
| | - Thomas Gautier
- grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France ,LipSTIC LabEx, UFR Sciences de Santé, Dijon, France
| | - Benjamin Bouillet
- grid.31151.37Endocrinology and Diabetology Unit, University Hospital, Dijon, France ,grid.493090.70000 0004 4910 6615INSERM/University of Bourgogne Franche-Comté, LNC UMR1231, Dijon, France ,grid.31151.37Service Endocrinologie, Diabétologie et Maladies Métaboliques, Hôpital François Mitterrand, CHU Dijon, BP 77908, 21079 Dijon, France
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13
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Wang H, Yang M, Cheng S, Ren Y, Deng Y, Liang J, Lin X, Li J, Yin J, Wu Q. The Spouses of Stroke Patients Have a Similar Oral Microbiome to Their Partners with an Elevated Risk of Stroke. Microorganisms 2022; 10:2288. [PMID: 36422358 PMCID: PMC9697374 DOI: 10.3390/microorganisms10112288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 01/19/2024] Open
Abstract
Spousal members who share no genetic relatedness show similar oral microbiomes. Whether a shared microbiome increases the risk of cerebrovascular disease is challenging to investigate. The aim of this study was to compare the oral microbiota composition of poststroke patients, their partners, and controls and to compare the risk of stroke between partners of poststroke patients and controls. Forty-seven pairs of spouses and 34 control subjects were recruited for the study. Alcohol use, smoking, metabolic disease history, clinical test results, and oral health were documented. Oral microbiome samples were measured by 16S rRNA gene sequencing. The risk of stroke was measured by risk factor assessment (RFA) and the Framingham Stroke Profile (FSP). Poststroke patients and their partners exhibited higher alpha diversity than controls. Principal-coordinate analysis (PCoA) showed that poststroke patients share a more similar microbiota composition with their partners than controls. The differentially abundant microbial taxa among the 3 groups were identified by linear discriminant analysis effect size (LEfSe) analysis. The risk factor assessment indicated that partners of poststroke patients had a higher risk of stroke than controls. Spearman correlation analysis showed that Prevotellaceae was negatively associated with RFA. Lactobacillales was negatively associated with FSP, while Campilobacterota and [Eubacterium]_nodatum_group were positively associated with FSP. These results suggest that stroke risk may be transmissible between spouses through the oral microbiome, in which several bacteria might be involved in the pathogenesis of stroke.
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Affiliation(s)
- Huidi Wang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Mengjia Yang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Sanping Cheng
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yueran Ren
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yiting Deng
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jingru Liang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xiaofei Lin
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jie Li
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jia Yin
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Qiheng Wu
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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14
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Zhu CL, Xie J, Zhao ZZ, Li P, Liu Q, Guo Y, Meng Y, Wan XJ, Bian JJ, Deng XM, Wang JF. PD-L1 maintains neutrophil extracellular traps release by inhibiting neutrophil autophagy in endotoxin-induced lung injury. Front Immunol 2022; 13:949217. [PMID: 36016930 PMCID: PMC9396256 DOI: 10.3389/fimmu.2022.949217] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Programmed death ligand 1 (PD-L1) is not only an important molecule in mediating tumor immune escape, but also regulates inflammation development. Here we showed that PD-L1 was upregulated on neutrophils in lipopolysaccharide (LPS)-induced acute respiratory distress syndrome (ARDS). Neutrophil specific knockout of PD-L1 reduced lung injury in ARDS model induced by intratracheal LPS injection. The level of NET release was reduced and autophagy is elevated by PD-L1 knockout in ARDS neutrophils both in vivo and in vitro. Inhibition of autophagy could reverse the inhibitory effect of PD-L1 knockout on NET release. PD-L1 interacted with p85 subunit of PI3K at the endoplasmic reticulum (ER) in neutrophils from ARDS patients, activating the PI3K/Akt/mTOR pathway. An extrinsic neutralizing antibody against PD-L1 showed a protective effect against ARDS. Together, PD-L1 maintains the release of NETs by regulating autophagy through the PI3K/Akt/mTOR pathway in ARDS. Anti-PD-L1 therapy may be a promising measure in treating ARDS.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Jin-jun Bian
- *Correspondence: Jin-jun Bian, ; Xiao-ming Deng, ; Jia-feng Wang,
| | - Xiao-ming Deng
- *Correspondence: Jin-jun Bian, ; Xiao-ming Deng, ; Jia-feng Wang,
| | - Jia-feng Wang
- *Correspondence: Jin-jun Bian, ; Xiao-ming Deng, ; Jia-feng Wang,
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15
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Zhu X, Huang H, Zhao L. PAMPs and DAMPs as the Bridge Between Periodontitis and Atherosclerosis: The Potential Therapeutic Targets. Front Cell Dev Biol 2022; 10:856118. [PMID: 35281098 PMCID: PMC8915442 DOI: 10.3389/fcell.2022.856118] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 02/11/2022] [Indexed: 12/31/2022] Open
Abstract
Atherosclerosis is a chronic artery disease characterized by plaque formation and vascular inflammation, eventually leading to myocardial infarction and stroke. Innate immunity plays an irreplaceable role in the vascular inflammatory response triggered by chronic infection. Periodontitis is a common chronic disorder that involves oral microbe-related inflammatory bone loss and local destruction of the periodontal ligament and is a risk factor for atherosclerosis. Periodontal pathogens contain numerous pathogen-associated molecular patterns (PAMPs) such as lipopolysaccharide, CpG DNA, and Peptidoglycan, that initiate the inflammatory response of the innate immunity depending on the recognition of pattern-recognition receptors (PRRs) of host cells. The immune-inflammatory response and destruction of the periodontal tissue will produce a large number of damage-associated molecular patterns (DAMPs) such as neutrophil extracellular traps (NETs), high mobility group box 1 (HMGB1), alarmins (S100 protein), and which can further affect the progression of atherosclerosis. Molecular patterns have recently become the therapeutic targets for inflammatory disease, including blocking the interaction between molecular patterns and PRRs and controlling the related signal transduction pathway. This review summarized the research progress of some representative PAMPs and DAMPs as the molecular pathological mechanism bridging periodontitis and atherosclerosis. We also discussed possible ways to prevent serious cardiovascular events in patients with periodontitis and atherosclerosis by targeting molecular patterns.
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Affiliation(s)
- Xuanzhi Zhu
- State Key Laboratory of Oral Diseases, Department of Periodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hanyao Huang
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Hanyao Huang, ; Lei Zhao,
| | - Lei Zhao
- State Key Laboratory of Oral Diseases, Department of Periodontics, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- *Correspondence: Hanyao Huang, ; Lei Zhao,
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16
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Barutta F, Bellini S, Durazzo M, Gruden G. Novel Insight into the Mechanisms of the Bidirectional Relationship between Diabetes and Periodontitis. Biomedicines 2022; 10:biomedicines10010178. [PMID: 35052857 PMCID: PMC8774037 DOI: 10.3390/biomedicines10010178] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 02/01/2023] Open
Abstract
Periodontitis and diabetes are two major global health problems despite their prevalence being significantly underreported and underestimated. Both epidemiological and intervention studies show a bidirectional relationship between periodontitis and diabetes. The hypothesis of a potential causal link between the two diseases is corroborated by recent studies in experimental animals that identified mechanisms whereby periodontitis and diabetes can adversely affect each other. Herein, we will review clinical data on the existence of a two-way relationship between periodontitis and diabetes and discuss possible mechanistic interactions in both directions, focusing in particular on new data highlighting the importance of the host response. Moreover, we will address the hypothesis that trained immunity may represent the unifying mechanism explaining the intertwined association between diabetes and periodontitis. Achieving a better mechanistic insight on clustering of infectious, inflammatory, and metabolic diseases may provide new therapeutic options to reduce the risk of diabetes and diabetes-associated comorbidities.
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17
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Whitaker E, Darcey C, Somerset S. Aggregation of human platelets by Tannerella Forsythia. Contemp Clin Dent 2022; 13:135-139. [PMID: 35846582 PMCID: PMC9285837 DOI: 10.4103/ccd.ccd_656_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/26/2020] [Accepted: 02/03/2021] [Indexed: 11/04/2022] Open
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18
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Li Y, Cui J, Liu Y, Chen K, Huang L, Liu Y. Oral, Tongue-Coating Microbiota, and Metabolic Disorders: A Novel Area of Interactive Research. Front Cardiovasc Med 2021; 8:730203. [PMID: 34490384 PMCID: PMC8417575 DOI: 10.3389/fcvm.2021.730203] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/21/2021] [Indexed: 12/17/2022] Open
Abstract
Interactions between colonizing microbiota and the host have been fully confirmed, among which the tongue-coating microbiota have a moderate rate of renewal and disease sensitivity and are easily obtained, making them an ideal research subject. Oral microbiota disorders are related to diabetes, obesity, cardiovascular disease, cancer, and other systemic diseases. As an important part of the oral cavity, tongue-coating microbiota can promote gastritis and digestive system tumors, affecting the occurrence and development of multiple chronic diseases. Common risk factors include diet, age, and immune status, among others. Metabolic regulatory mechanisms may be similar between the tongue and gut microbiota. Tongue-coating microbiota can be transferred to the respiratory or digestive tract and create a new balance with local microorganisms, together with the host epithelial cells forming a biological barrier. This barrier is involved in the production and circulation of nitric oxide (NO) and the function of taste receptors, forming the oral-gut-brain axis (similar to the gut-brain axis). At present, the disease model and mechanism of tongue-coating microbiota affecting metabolism have not been widely studied, but they have tremendous potential.
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Affiliation(s)
- Yiwen Li
- National Clinical Research Center for Traditional Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jing Cui
- National Clinical Research Center for Traditional Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanfei Liu
- The Second Department of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Keji Chen
- National Clinical Research Center for Traditional Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Luqi Huang
- China Academy of Chinese Medical Sciences, Beijing, China
| | - Yue Liu
- National Clinical Research Center for Traditional Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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19
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de Miranda FS, Barauna VG, dos Santos L, Costa G, Vassallo PF, Campos LCG. Properties and Application of Cell-Free DNA as a Clinical Biomarker. Int J Mol Sci 2021; 22:9110. [PMID: 34502023 PMCID: PMC8431421 DOI: 10.3390/ijms22179110] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 12/17/2022] Open
Abstract
Biomarkers are valuable tools in clinical practice. In 2001, the National Institutes of Health (NIH) standardized the definition of a biomarker as a characteristic that is objectively measured and evaluated as an indicator of normal biological processes, pathogenic processes, or pharmacological responses to a therapeutic intervention. A biomarker has clinical relevance when it presents precision, standardization and reproducibility, suitability to the patient, straightforward interpretation by clinicians, and high sensitivity and/or specificity by the parameter it proposes to identify. Thus, serum biomarkers should have advantages related to the simplicity of the procedures and to the fact that venous blood collection is commonplace in clinical practice. We described the potentiality of cfDNA as a general clinical biomarker and focused on endothelial dysfunction. Circulating cell-free DNA (cfDNA) refers to extracellular DNA present in body fluid that may be derived from both normal and diseased cells. An increasing number of studies demonstrate the potential use of cfDNA as a noninvasive biomarker to determine physiologic and pathologic conditions. However, although still scarce, increasing evidence has been reported regarding using cfDNA in cardiovascular diseases. Here, we have reviewed the history of cfDNA, its source, molecular features, and release mechanism. We also show recent studies that have investigated cfDNA as a possible marker of endothelial damage in clinical settings. In the cardiovascular system, the studies are quite new, and although interesting, stronger evidence is still needed. However, some drawbacks in cfDNA methodologies should be overcome before its recommendation as a biomarker in the clinical setting.
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Affiliation(s)
- Felipe Silva de Miranda
- Post Graduation Program in Biology and Biotechnology of Microorganisms, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil;
- Department of Biological Science, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil
- Laboratory of Applied Pathology and Genetics, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil
| | - Valério Garrone Barauna
- Post Graduation Program in Health Sciences, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil;
- Molecular Physiology Laboratory of Exercise Science, Federal University of Espírito Santo, Vitória 29075-910, Espírito Santo, Brazil
- Post Graduation Program in Physiological Sciences, Federal University of Espírito Santo, Vitória 29075-910, Espírito Santo, Brazil; (G.C.); (P.F.V.)
| | - Leandro dos Santos
- Academic Unit of Serra Talhada, Rural Federal University of Pernambuco, Serra Talhada 56909-535, Pernambuco, Brazil;
| | - Gustavo Costa
- Post Graduation Program in Physiological Sciences, Federal University of Espírito Santo, Vitória 29075-910, Espírito Santo, Brazil; (G.C.); (P.F.V.)
| | - Paula Frizera Vassallo
- Post Graduation Program in Physiological Sciences, Federal University of Espírito Santo, Vitória 29075-910, Espírito Santo, Brazil; (G.C.); (P.F.V.)
- Clinical Hospital, Federal University of Minas Gerais, Belo Horizonte 30130-100, Minas Gerais, Brazil
| | - Luciene Cristina Gastalho Campos
- Post Graduation Program in Biology and Biotechnology of Microorganisms, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil;
- Department of Biological Science, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil
- Laboratory of Applied Pathology and Genetics, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil
- Post Graduation Program in Health Sciences, State University of Santa Cruz, Ilhéus 45662-900, Bahia, Brazil;
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20
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Vascular consequences of inflammation: a position statement from the ESH Working Group on Vascular Structure and Function and the ARTERY Society. J Hypertens 2021; 38:1682-1698. [PMID: 32649623 DOI: 10.1097/hjh.0000000000002508] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
: Inflammation is a physiological response to aggression of pathogenic agents aimed at eliminating the aggressor agent and promoting healing. Excessive inflammation, however, may contribute to tissue damage and an alteration of arterial structure and function. Increased arterial stiffness is a well recognized cardiovascular risk factor independent of blood pressure levels and an intermediate endpoint for cardiovascular events. In the present review, we discuss immune-mediated mechanisms by which inflammation can influence arterial physiology and lead to vascular dysfunction such as atherosclerosis and arterial stiffening. We also show that acute inflammation predisposes the vasculature to arterial dysfunction and stiffening, and alteration of endothelial function and that chronic inflammatory diseases such as rheumatoid arthritis, inflammatory bowel disease and psoriasis are accompanied by profound arterial dysfunction which is proportional to the severity of inflammation. Current findings suggest that treatment of inflammation by targeted drugs leads to regression of arterial dysfunction. There is hope that these treatments will improve outcomes for patients.
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21
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Hayden H, Ibrahim N, Klopf J, Zagrapan B, Mauracher LM, Hell L, Hofbauer TM, Ondracek AS, Schoergenhofer C, Jilma B, Lang IM, Pabinger I, Eilenberg W, Neumayer C, Brostjan C. ELISA detection of MPO-DNA complexes in human plasma is error-prone and yields limited information on neutrophil extracellular traps formed in vivo. PLoS One 2021; 16:e0250265. [PMID: 33886636 PMCID: PMC8062102 DOI: 10.1371/journal.pone.0250265] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 04/03/2021] [Indexed: 12/16/2022] Open
Abstract
Over the past years, neutrophil extracellular traps (NETs) were shown to contribute to states of acute and chronic inflammatory disease. They are composed of expelled chromatin and decorated by neutrophil-derived proteins. Therefore, the analysis of DNA complexes with myeloperoxidase (MPO) by ELISA has become an attractive tool to measure NET formation in in vitro and in vivo samples. When we used a published MPO-DNA ELISA protocol and included an isotype control for the anti-MPO coating antibody, we observed high assay specificity for in vitro prepared NET samples, whereas the specificity for in vivo plasma samples was low. In addition, the assay failed to detect in vitro generated MPO-DNA complexes when spiked into plasma. Therefore, we set out to improve the specificity of the MPO-DNA ELISA for plasma samples. We found that the use of Fab fragments or immunoglobulins from different species or reversal of the antibody pair led to either a high background or a low dynamic range of detection that did not improve the specificity for plasma samples. Also, the use of higher plasma dilutions or pre-clearing of plasma immunoglobulins were ineffective. Finally, we found that a commercial reagent designed to block human anti-mouse antibodies and multivalent substances increased the detection window between the MPO antibody and isotype control for highly diluted plasma. We applied this modified ELISA protocol to analyze MPO-DNA complexes in human blood samples of acute and chronic inflammatory conditions. While markers of neutrophil activation and NET formation such as MPO, elastase and citrullinated histone H3 correlated significantly, we observed no correlation with the levels of MPO-DNA complexes. Therefore, we conclude that ELISA measurements of MPO-DNA complexes in human plasma are highly questionable regarding specificity of NET detection. In general, plasma analyses by ELISA should more frequently include isotype controls for antibodies to demonstrate target specificity.
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Affiliation(s)
- Hubert Hayden
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Nahla Ibrahim
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Johannes Klopf
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Branislav Zagrapan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Lisa-Marie Mauracher
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Lena Hell
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Thomas M. Hofbauer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Anna S. Ondracek
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christian Schoergenhofer
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Irene M. Lang
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Ingrid Pabinger
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Wolf Eilenberg
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
| | - Christine Brostjan
- Division of Vascular Surgery, Department of General Surgery, Medical University of Vienna, Vienna General Hospital, Vienna, Austria
- * E-mail:
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22
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Marchese P, Lombardi M, Mantione ME, Baccellieri D, Ferrara D, Chiesa R, Alfieri O, Foglieni C. Confocal Blood Flow Videomicroscopy of Thrombus Formation over Human Arteries and Local Targeting of P2X7. Int J Mol Sci 2021; 22:ijms22084066. [PMID: 33920051 PMCID: PMC8071050 DOI: 10.3390/ijms22084066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 12/16/2022] Open
Abstract
Atherothrombosis exposes vascular components to blood. Currently, new antithrombotic therapies are emerging. Herein we investigated thrombogenesis of human arteries with/without atherosclerosis, and the interaction of coagulation and vascular components, we and explored the anti-thrombogenic efficacy of blockade of the P2X purinoceptor 7 (P2X7). A confocal blood flow videomicroscopy system was performed on cryosections of internal mammary artery (IMA) or carotid plaque (CPL) determining/localizing platelets and fibrin. Blood from healthy donors elicited thrombi over arterial layers. Confocal microscopy associated thrombus with tissue presence of collagen type I, laminin, fibrin(ogen) and tissue factor (TF). The addition of antibodies blocking TF (aTF) or factor XI (aFXI) to blood significantly reduced fibrin deposition, variable platelet aggregation and aTF + aFXI almost abolished thrombus formation, showing synergy between coagulation pathways. A scarce effect of aTF over sub-endothelial regions, more abundant in tissue TF and bundles of laminin and collagen type I than deep intima, may suggest tissue thrombogenicity as molecular structure-related. Consistently with TF-related vascular function and expression of P2X7, the sections from CPL but not IMA tissue cultures pre-treated with the P2X7 antagonist A740003 demonstrated poor thrombogenesis in flow experiments. These data hint to local targeting studies on P2X7 modulation for atherothrombosis prevention/therapy.
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Affiliation(s)
- Patrizia Marchese
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037, USA;
| | - Maria Lombardi
- Myocardial Diseases and Atherosclerosis Unit, Cardiovascular Research Center, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (M.L.); (M.E.M.)
| | - Maria Elena Mantione
- Myocardial Diseases and Atherosclerosis Unit, Cardiovascular Research Center, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (M.L.); (M.E.M.)
| | - Domenico Baccellieri
- Cardiothoracic and Vascular Department, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (D.B.); (D.F.); (R.C.); (O.A.)
| | - David Ferrara
- Cardiothoracic and Vascular Department, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (D.B.); (D.F.); (R.C.); (O.A.)
| | - Roberto Chiesa
- Cardiothoracic and Vascular Department, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (D.B.); (D.F.); (R.C.); (O.A.)
| | - Ottavio Alfieri
- Cardiothoracic and Vascular Department, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (D.B.); (D.F.); (R.C.); (O.A.)
| | - Chiara Foglieni
- Myocardial Diseases and Atherosclerosis Unit, Cardiovascular Research Center, San Raffaele Scientific Institute IRCCS, Via Olgettina, 58, 20132 Milano, Italy; (M.L.); (M.E.M.)
- Correspondence: ; Tel.: +39-02-26434570
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23
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Brun A, Nuzzo A, Prouvost B, Diallo D, Hamdan S, Meseguer E, Guidoux C, Lavallée P, Amarenco P, Lesèche G, Bouchard P, Michel JB, Rangé H. Oral microbiota and atherothrombotic carotid plaque vulnerability in periodontitis patients. A cross-sectional study. J Periodontal Res 2020; 56:339-350. [PMID: 33368263 DOI: 10.1111/jre.12826] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 09/13/2020] [Accepted: 11/23/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND An increased risk of atherothrombotic vascular events has been reported in periodontitis patients. Periodontitis is associated with dysbiotic subgingival biofilms and bacteremia. OBJECTIVE We hypothesized (a) that the oral microbiome is associated with the carotid microbiome and (b) that periodontitis could contribute to plaque vulnerability. The aim of this study was to determine the associations between periodontitis, the carotid microbiome, and the local innate immune response in carotid atherothrombotic plaques vulnerable to rupture. METHODS In this cross-sectional study, 45 patients admitted for carotid endarterectomy underwent a preoperative periodontal examination. The volume of intraplaque hemorrhage reflected by the hemoglobin level released in carotid-conditioned media was considered as a criterion of carotid plaque vulnerability. Levels of antibodies against periodontal bacteria were determined in sera. The signature of the oral microbiota was assessed by microbial whole-genome sequencing, nested PCR, and immunostaining in carotid plaque samples. Markers of neutrophil recruitment (leukotriene B4), neutrophil activation (myeloperoxidase, defensins), and cytokines were measured in carotid-conditioned media and/or plasma. RESULTS All patients exhibited periodontitis. One hundred and forty-four bacterial genera were detected in the carotid microbiome. While Streptococcus was found in 84% of the carotid samples, periodontitis-associated genera were detected in 21%. P. gingivalis DNA and gingipains were also identified in carotid samples. There were significant inverse correlations between periodontal attachment loss/serum anti-P. gingivalis Immunoglobulin A and cytokine inhibiting neutrophils (all P < .01). There were also significant positive correlations between lipopolysaccharides, myeloperoxidase/human neutrophil peptides1-3, and hemoglobin levels (all P < .01). CONCLUSIONS In patients at risk of stroke, the carotid plaque microbiome was highly diverse and compatible with an oral origin. Periodontitis was significantly associated with neutrophil activation markers and plaque vulnerability to rupture.
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Affiliation(s)
- Adrian Brun
- Department of Periodontology, Faculty of Dental Surgery Montrouge, Université de Paris, Montrouge, France.,Division of Periodontology, Department of Oral Medicine, AP-HP, Henri Mondor Hospital, Créteil, France.,Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Alexandre Nuzzo
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Gastroenterology, Faculty of Medicine Xavier Bichat-Beaujon, Université de Paris, Clichy, France.,IBD and Intestinal Failure Unit, Department of Gastroenterology, APHP, Beaujon Hospital, Paris, France
| | - Bastien Prouvost
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France
| | - Devy Diallo
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Sandrella Hamdan
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France
| | - Elena Meseguer
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Céline Guidoux
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Philippa Lavallée
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Pierre Amarenco
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Neurology, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Neurology and Stroke Centre, APHP, Bichat Hospital, Paris, France
| | - Guy Lesèche
- Laboratory for Vascular Translational Science, Inserm UMRS 1148, Paris, France.,Department of Vascular Surgery, Faculty of Medicine Xavier Bichat, Université de Paris, Paris, France.,Department of Vascular Surgery, APHP, Bichat Hospital, Paris, France
| | - Philippe Bouchard
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France.,Division of Periodontology, Department of Odontology, APHP, Rothschild Hospital, Paris, France.,Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, Montrouge, France
| | | | - Hélène Rangé
- Department of Periodontology, Faculty of Odontology Garancière, Université de Paris, Paris, France.,Division of Periodontology, Department of Odontology, APHP, Rothschild Hospital, Paris, France.,Orofacial Pathologies, Imaging and Biotherapies laboratory, UR2496, Université de Paris, Montrouge, France
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24
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Karabulut A. The Role of Microbiologic Agents in the Progression of the Atherosclerosis: a Comprehensive Review. J Saudi Heart Assoc 2020; 32:440-450. [PMID: 33299789 PMCID: PMC7721457 DOI: 10.37616/2212-5043.1198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 12/07/2022] Open
Abstract
Atherosclerosis is a leading cause of disability, morbidity and mortality in the world. Atherosclerosis is accepted as a chronic progressive inflammatory disease. The inflammatory cascade in the vascular wall is well-defined. However, the predictors and contributors of the inflammatory response in atherosclerosis are not completely understood. Systemic and local inflammation, which enhance the burden of inflammation in the vascular wall, have been proposed as risk factors for the progression of atherosclerosis. Infectious micro-organisms are one of the major triggering factors for local and systemic inflammation. In this review, we aimed to emphasize the linkage between micro-organisms and the progression of atherosclerosis. We briefly summarize the current medical literature and discuss the future perspectives of the linkage between microbial agents and atherosclerosis representing cause and effect.
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Affiliation(s)
- Ahmet Karabulut
- Department of Cardiology, Acibadem Mehmet Ali Aydinlar University School of Medicine, Istanbul, Turkey.,Department of Medical Biotechnology, Acibadem Mehmet Ali Aydinlar University School of Medicine, Istanbul, Turkey
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25
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Bobetsis YA, Kotsikoris I, Liapis CD, Liasis N, Kakisis J, Kourlaba G, Lazari P, Antonopoulos CN, Deliargyris EN, Madianos PN. Association between periodontal disease and vulnerable plaque morphology in patients undergoing carotid endarterectomy. IJC HEART & VASCULATURE 2020; 30:100601. [PMID: 32802936 PMCID: PMC7419330 DOI: 10.1016/j.ijcha.2020.100601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 07/20/2020] [Indexed: 01/23/2023]
Abstract
Periodontal disease is associated with echolucent plaques. Periodontal disease is associated with increased macrophages in plaques. Periodontal disease is associated with decreased smooth muscle cells in plaques. Periodontal disease is associated with plaque instability.
Background Periodontal disease (PD) is a chronic inflammatory oral condition with potentially important systemic sequelae. We sought to determine whether the presence of PD in patients with severe carotid disease was associated with morphological features consistent with carotid plaque instability. Methods A total of 52 dentate patients hospitalized for carotid endarterectomy (CEA) had standardized assessments of their periodontal status, including measurements of probing pocket depth (PPD), clinical attachment level (CAL) and bleeding on probing (BoP). Carotid plaque morphology was assessed by ultrasound using the gray scale median (GSM) score and by immunohistochemistry using anti-CD68 and anti-alpha-actin antibodies, markers for macrophages and smooth muscle cells (SMCs) respectively. Results In total 30/52 patients (58%) had PD. Significant associations were noted between low GSM on ultrasound and each mm in PPD (p = 0.001), each mm in CAL (p = 0.002) and with a 10% increase in BoP (p = 0.009). Using the standardized PERIO definition the association remained robust (aOR = 10.4 [95% CI:2.3–46.3], p = .002). Significant associations were also observed with high macrophage accumulation and each individual PD measure (p < 0.01 for PPD, CAL and BoP) and with the PERIO definition (aOR = 15 [95% CI:1.8–127.8], p = .01). Similarly, low SMC density was also significantly associated with individual measures of PD (p < 0.05 for PPD, CAL and BoP), but not with the PERIO definition (aOR 3.4 [95% CI:0.9–12.8], p = .07). Conclusions The presence of PD was significantly associated with both ultrasound and immunohistochemistry features of carotid plaque instability in patients undergoing CEA.
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Affiliation(s)
- Yiorgos A Bobetsis
- Dept of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece
| | | | - Christos D Liapis
- Dept of Vascular Surgery, Medical School, National and Kapodistrian University of Athens, Greece.,Vascular & Endovascular Clinic, Athens Medical Center, Athens, Greece
| | - Nikolaos Liasis
- Dept of Vascular Diagnosis, Euromedic Greece, Athens, Greece
| | - John Kakisis
- Dept of Vascular Surgery, Medical School, National and Kapodistrian University of Athens, Greece
| | - Georgia Kourlaba
- 1 and 2 Dept of Pediatrics, Medical School, National and Kapodistrian University of Athens, Greece
| | - Paraskevi Lazari
- Dept of Pathology, Nikaia General Hospital, Piraeus, Greece.,Dept of Pathology, West Attica General Hospital, Athens, Greece
| | | | | | - Phoebus N Madianos
- Dept of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Greece
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26
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Lichota A, Gwozdzinski K, Szewczyk EM. Microbial Modulation of Coagulation Disorders in Venous Thromboembolism. J Inflamm Res 2020; 13:387-400. [PMID: 32801832 PMCID: PMC7406375 DOI: 10.2147/jir.s258839] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/19/2020] [Indexed: 12/24/2022] Open
Abstract
Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is the third leading cause of cardiovascular death in the world. Important risk factors of thrombosis include bed restraint, surgery, major trauma, long journeys, inflammation, pregnancy, and oral contraceptives, previous venous thromboembolism, cancer, and bacterial infections. Sepsis increases the risk of blood clot formation 2–20 times. In this review, we discussed various mechanisms related to the role of bacteria in venous thrombosis also taking into consideration the role of the human microbiome. Many known bacteria, such as Helicobacter pylori, Chlamydia pneumoniae, Mycoplasma pneumoniae, Haemophilus influenzae, Streptococcus pneumoniae, Staphylococcus aureus, and Escherichia coli, causing infections may increase the risk of thrombotic complications through platelet activation or may lead to an inflammatory reaction involving the fibrinolytic system. Additionally, the bacteria participate in the production of factors causing or increasing the risk of cardiovascular diseases. An example can be trimethylamine N-oxide (TMAO) but also uremic toxins (indoxyl sulfate), short-chain fatty acids (SCFA) phytoestrogens, and bile acids. Finally, we presented the involvement of many bacteria in the development of venous thromboembolism and other cardiovascular diseases.
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Affiliation(s)
- Anna Lichota
- Department of Pharmaceutical Microbiology and Microbiological Diagnostics, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
| | - Krzysztof Gwozdzinski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Eligia M Szewczyk
- Department of Pharmaceutical Microbiology and Microbiological Diagnostics, Faculty of Pharmacy, Medical University of Lodz, Lodz, Poland
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27
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Schenkein HA, Papapanou PN, Genco R, Sanz M. Mechanisms underlying the association between periodontitis and atherosclerotic disease. Periodontol 2000 2020; 83:90-106. [PMID: 32385879 DOI: 10.1111/prd.12304] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Atherosclerosis is central to the pathology of cardiovascular diseases, a group of diseases in which arteries become occluded with atheromas that may rupture, leading to different cardiovascular events, such as myocardial infarction or ischemic stroke. There is a large body of epidemiologic and animal model evidence associating periodontitis with atherosclerotic disease, and many potential mechanisms linking these diseases have been elucidated. This chapter will update knowledge on these mechanisms, which generally fall into 2 categories: microbial invasion and infection of atheromas; and inflammatory and immunologic. With respect to the invasion and infection of atheromas, it is well established that organisms from the subgingival biofilm can enter the circulation and lodge in most distant tissues. Bacteremias resulting from oral interventions, and even oral hygiene activities, are well documented. More recently, indirect routes of entry of oral organisms (via phagocytes or dendritic cells) have been described for many oral organisms, into many tissues. Such organisms include the periodontal pathogens Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Prevotella intermedia, Tannerella forsythia, and Fusobacterium nucleatum. Intracellular survival of these organisms with dissemination to distant sites (The Trojan Horse approach) has been described. Their relative contribution to atheroma formation and progression has been studied mainly in experimental research, with results demonstrating that these organisms can invade endothelial cells and phagocytic cells within the atheroma, leading to pathogenic changes and progression of the atheroma lesion. The second category of mechanisms potentially linking periodontitis to atherosclerosis includes the dumping of inflammatory mediators originating from periodontal lesions into the systemic circulation. These inflammatory mediators, such as C-reactive protein, matrix metalloproteinases, fibrinogen, and other hemostatic factors, would further accelerate atheroma formation and progression, mainly through oxidative stress and inflammatory dysfunction. Moreover, direct effects on lipid oxidation have also been described. In summary, the evidence supports the concept that periodontitis enhances the levels of systemic mediators of inflammation that are risk factors for atherosclerotic diseases.
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Affiliation(s)
- Harvey A Schenkein
- Department of Periodontics, School of Dentistry, Virginia Commonwealth University, Richmond, Virginia
| | - Panos N Papapanou
- Division of Periodontics, Section of Oral, Diagnostic and Rehabilitation Sciences, Columbia University College of Dental Medicine, NewYork, New York, USA
| | - Robert Genco
- Departments of Oral Biology, and Microbiology and Immunology, Center for Microbiome Research, University at Buffalo, Buffalo, New York, USA
| | - Mariano Sanz
- ETEP (Etiology and Therapy of Periodontal Diseases) Research Group, University Complutense, Madrid, Spain
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28
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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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29
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Porphyromonas gingivalis, a Long-Range Pathogen: Systemic Impact and Therapeutic Implications. Microorganisms 2020; 8:microorganisms8060869. [PMID: 32526864 PMCID: PMC7357039 DOI: 10.3390/microorganisms8060869] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 12/12/2022] Open
Abstract
Periodontitis is an inflammatory disease associated with a dysbiosis of the oral flora characterized by a chronic sustained inflammation leading to destruction of tooth-supporting tissues. Over the last decade, an association between periodontitis and systemic disorders such as cardiovascular diseases, rheumatoid arthritis and obesity has been demonstrated. The role of periodontal pathogens, notably Porphyromonas gingivalis (P. gingivalis), in the onset or exacerbation of systemic diseases has been proposed. P. gingivalis expresses several virulence factors that promote its survival, spreading, and sustaining systemic inflammation. Recently, the impact of periodontitis on gut dysbiosis has also been suggested as a potential mechanism underlying the systemic influence of periodontitis. New therapeutic strategies for periodontitis and other dysbiotic conditions, including the use of beneficial microbes to restore healthy microbial flora, may pave the way to improved therapeutic outcomes and more thorough patient management.
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30
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He R, Chen Y, Cai Q. The role of the LTB4-BLT1 axis in health and disease. Pharmacol Res 2020; 158:104857. [PMID: 32439596 DOI: 10.1016/j.phrs.2020.104857] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 04/03/2020] [Accepted: 04/20/2020] [Indexed: 12/16/2022]
Abstract
Leukotriene B4 (LTB4) is a major type of lipid mediator that is rapidly generated from arachidonic acid through sequential action of 5-lipoxygenase (5-LO), 5-lipoxygenase-activating protein (FLAP) and LTA4 hydrolase (LTA4H) in response to various stimuli. LTB4 is well known to be a chemoattractant for leukocytes, particularly neutrophils, via interaction with its high-affinity receptor BLT1. Extensive attention has been paid to the role of the LTB4-BLT1 axis in acute and chronic inflammatory diseases, such as infectious diseases, allergy, autoimmune diseases, and metabolic disease via mediating recruitment and/or activation of different types of inflammatory cells depending on different stages or the nature of inflammatory response. Recent studies also demonstrated that LTB4 acts on non-immune cells via BLT1 to initiate and/or amplify pathological inflammation in various tissues. In addition, emerging evidence reveals a complex role of the LTB4-BLT1 axis in cancer, either tumor-inhibitory or tumor-promoting, depending on the different target cells. In this review, we summarize both established understanding and the most recent progress in our knowledge about the LTB4-BLT1 axis in host defense, inflammatory diseases and cancer.
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Affiliation(s)
- Rui He
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, People's Republic of China.
| | - Yu Chen
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, People's Republic of China
| | - Qian Cai
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, People's Republic of China
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Meilhac O, Tanaka S, Couret D. High-Density Lipoproteins Are Bug Scavengers. Biomolecules 2020; 10:biom10040598. [PMID: 32290632 PMCID: PMC7226336 DOI: 10.3390/biom10040598] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/04/2020] [Accepted: 04/06/2020] [Indexed: 12/11/2022] Open
Abstract
Lipoproteins were initially defined according to their composition (lipids and proteins) and classified according to their density (from very low- to high-density lipoproteins—HDLs). Whereas their capacity to transport hydrophobic lipids in a hydrophilic environment (plasma) is not questionable, their primitive function of cholesterol transporter could be challenged. All lipoproteins are reported to bind and potentially neutralize bacterial lipopolysaccharides (LPS); this is particularly true for HDL particles. In addition, HDL levels are drastically decreased under infectious conditions such as sepsis, suggesting a potential role in the clearance of bacterial material and, particularly, LPS. Moreover, "omics" technologies have unveiled significant changes in HDL composition in different inflammatory states, ranging from acute inflammation occurring during septic shock to low-grade inflammation associated with moderate endotoxemia such as periodontal disease or obesity. In this review, we will discuss HDL modifications associated with exposure to pathogens including bacteria, viruses and parasites, with a special focus on sepsis and the potential of HDL therapy in this context. Low-grade inflammation associated with atherosclerosis, periodontitis or metabolic syndrome may also highlight the protective role of HDLs in theses pathologies by other mechanisms than the reverse transport of cholesterol.
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Affiliation(s)
- Olivier Meilhac
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- CHU de La Réunion, Centre d’Investigations Clinique 1410, 97410 Saint-Pierre, France
- Correspondence: ; Tel.: +33-262-93-88-11
| | - Sébastien Tanaka
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- AP-HP, Service d’Anesthésie-Réanimation, CHU Bichat-Claude Bernard, 75018 Paris, France
| | - David Couret
- Université de la Réunion, Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), F-97490 Sainte-Clotilde, France; (S.T.); (D.C.)
- CHU de La Réunion, Neurocritical Care Unit, 97410 Saint-Pierre, France
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Brun A, Rangé H, Prouvost B, Mazighi M, Kapila Y, Bouchard P, Michel JB. Innovative application of nested PCR for detection of Porphyromonas gingivalis in human highly calcified atherothrombotic plaques. J Oral Microbiol 2020; 12:1742523. [PMID: 32363006 PMCID: PMC7178846 DOI: 10.1080/20002297.2020.1742523] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 12/25/2022] Open
Abstract
Atherothrombosis, leading to stroke and myocardial infarction, is responsible for most of the deaths in the world. An increased risk of atherothrombotic vascular events has been reported in patients with periodontitis. Periodontitis is a chronic multifactorial inflammatory disease, which involves a dysbiotic microbiota, and leads to a progressive destruction of the tooth-supporting apparatus. Transcient periodontal pathogen blood translocation, mainly bacteremia, has been associated with the severity of gingival inflammation. The identification of periodontal bacteria within atherothrombotic plaques is challenging and unpredictable. This review aims to summarize existing molecular technics for identifying periodontal microbiota in human atherothrombotic samples. A secondary objective is to describe a protocol for the identification of Porphyromonas gingivalis from highly calcified, atherothrombotic human samples that is based on our experience in translational cardiovascular research. Compared to direct real-time PCR, our protocol based on nested PCR has increased the detection of Porphyromonas gingivalis by 22.2% with good specificity.
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Affiliation(s)
- Adrian Brun
- Laboratory for Vascular Translational Science, Inserm UMR_S1148, Paris, France
- Department of Periodontology, Faculty of Dentistry, Université de Paris, Montrouge, France
- Department of Periodontology, Service of Oral Medicine, AP-HP, Mondor Hospital, Créteil, France
| | - Hélène Rangé
- Laboratory Orofacial Pathologies, Imaging and Biotherapies, Université de Paris, Montrouge, UR2496, France
- Department of Periodontology, Faculty of Odontology, Université de Paris, Paris, France
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, USA
| | - Bastien Prouvost
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
| | - Mikael Mazighi
- Laboratory for Vascular Translational Science, Inserm UMR_S1148, Paris, France
- Department of Neurology, APHP, Lariboisiere Hospital, Université de Paris, Paris, France
| | - Yvonne Kapila
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, CA, USA
| | - Philippe Bouchard
- Laboratory Orofacial Pathologies, Imaging and Biotherapies, Université de Paris, Montrouge, UR2496, France
- Department of Periodontology, Faculty of Odontology, Université de Paris, Paris, France
- Department of Periodontology, Service of Odontology, APHP, Rothschild Hospital, Paris, France
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Sanz M, Marco del Castillo A, Jepsen S, Gonzalez‐Juanatey JR, D’Aiuto F, Bouchard P, Chapple I, Dietrich T, Gotsman I, Graziani F, Herrera D, Loos B, Madianos P, Michel J, Perel P, Pieske B, Shapira L, Shechter M, Tonetti M, Vlachopoulos C, Wimmer G. Periodontitis and cardiovascular diseases: Consensus report. J Clin Periodontol 2020; 47:268-288. [PMID: 32011025 PMCID: PMC7027895 DOI: 10.1111/jcpe.13189] [Citation(s) in RCA: 637] [Impact Index Per Article: 159.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 08/13/2019] [Accepted: 08/22/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND In Europe cardiovascular disease (CVD) is responsible for 3.9 million deaths (45% of deaths), being ischaemic heart disease, stroke, hypertension (leading to heart failure) the major cause of these CVD related deaths. Periodontitis is also a chronic non-communicable disease (NCD) with a high prevalence, being severe periodontitis, affecting 11.2% of the world's population, the sixth most common human disease. MATERIAL AND METHODS There is now a significant body of evidence to support independent associations between severe periodontitis and several NCDs, in particular CVD. In 2012 a joint workshop was held between the European Federation of Periodontology (EFP) and the American Academy of Periodontology to review the literature relating periodontitis and systemic diseases, including CVD. In the last five years important new scientific information has emerged providing important emerging evidence to support these associations RESULTS AND CONCLUSIONS: The present review reports the proceedings of the workshop jointly organised by the EFP and the World Heart Federation (WHF), which has updated the existing epidemiological evidence for significant associations between periodontitis and CVD, the mechanistic links and the impact of periodontal therapy on cardiovascular and surrogate outcomes. This review has also focused on the potential risk and complications of periodontal therapy in patients on anti thrombotic therapy and has made recommendations for dentists, physicians and for patients visiting both the dental and medical practices.
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Affiliation(s)
- Mariano Sanz
- Department of Dental Clinical SpecialtiesETEP Research GroupFaculty of OdontologyUniversity Complutense of MadridMadridSpain
| | | | - Søren Jepsen
- Department of Periodontology, Operative and Preventive DentistryUniversity of BonnBonnGermany
| | - Jose R. Gonzalez‐Juanatey
- Cardiology DepartmentUniversity HospitalIDISCIBERCVUniverity of Santiago de CompostelaSantiago de CompostelaSpain
| | - Francesco D’Aiuto
- Department of PeriodontologyEastman Dental Institute and HospitalUniversity College LondonLondonUK
| | - Philippe Bouchard
- U.F.R. d'odontologieUniversité Paris DiderotHôpital Rothschild AP‐HPParisFrance
| | - Iain Chapple
- School of DentistryInstitute of Clinical SciencesCollege of Medical & Dental SciencesThe University of BirminghamBirminghamUK
| | - Thomas Dietrich
- School of DentistryInstitute of Clinical SciencesCollege of Medical & Dental SciencesThe University of BirminghamBirminghamUK
| | - Israel Gotsman
- Heart InstituteHadassah University HospitalJerusalemIsrael
| | - Filippo Graziani
- Department of Surgical, Medical and Molecular Pathology and Critical Care MedicineUniversity of PisaPisaItaly
| | - David Herrera
- Department of Dental Clinical SpecialtiesETEP Research GroupFaculty of OdontologyUniversity Complutense of MadridMadridSpain
| | | | - Phoebus Madianos
- Department of PeriodontologySchool of DentistryNational and Kapodistrian University of AthensAthensGreece
| | - Jean‐Baptiste Michel
- Inserm Unit 1148Laboratory for Translational CV ScienceX. Bichat HospitalParisFrance
| | - Pablo Perel
- World Heart FederationGenevaSwitzerland
- Centre for Global Chronic ConditionsLondon School of Hygiene & Tropical MedicineLondonUK
| | - Burkert Pieske
- Department of Internal Medicin & CardiologyCharité Universitätsmedizin BerlinBerlinGermany
- DZHK (German Center for Cardiovascular Research) Partnersite BerlinGerman Heart Institut BerlinBerlinGermany
| | - Lior Shapira
- Department of PeriodontologyHebrew University – Hadassah Faculty of Dental MedicineJerusalemIsrael
| | - Michael Shechter
- Leviev Heart CenterChaim Sheba Medical Centertel Hashomer and the Sackler Faculty of MedicineTel Aviv UniversityTel Aviv‐YafoIsrael
| | - Maurizio Tonetti
- Department of PeriodontologyPrince Philip Dental HospitalThe University of Hong KongHong KongHong Kong
| | | | - Gernot Wimmer
- Department of Prosthetic DentistrySchool of Dental MedicineKarl‐Franzens University GrazGrazAustria
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Three Ingredients of Safflower Alleviate Acute Lung Injury and Inhibit NET Release Induced by Lipopolysaccharide. Mediators Inflamm 2020; 2020:2720369. [PMID: 32189992 PMCID: PMC7066412 DOI: 10.1155/2020/2720369] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/13/2020] [Accepted: 02/05/2020] [Indexed: 01/28/2023] Open
Abstract
Xuebijing injection is a Chinese herb compound to treat sepsis in China, but it contains many different kinds of components, and each component may have different effects in treating sepsis. The present study was performed to investigate the effect of three ingredients of Xuebijing, safflor yellow A (SYA), hydroxysafflor yellow A (HSYA), and anhydrosafflor yellow B (AHSYB), in lipopolysaccharide- (LPS-) induced acute lung injury (ALI). LPS (10 mg/kg) was injected intratracheally to induce acute lung injury in mice, which were then treated with SYA, HSYA, and AHSYB. The blood, bronchoalveolar lavage fluid (BALF), and lung tissues were collected to detect degree of lung injury, level of inflammation, and neutrophil extracellular traps (NETs). In vitro experiments were performed using HL-60 cells stimulated with phorbol myristate acetate (PMA). Lung injury induced by LPS was alleviated by SYA, HSYA, and AHSYB as demonstrated by the histopathologic test. The three components inhibit LPS-induced elevation of the levels of inflammatory factors and wet-to-dry weight ratio as well as the amount of protein and cells in the BALF. They also induced a remarkably less overlay of myeloperoxidase (MPO) and histone in the immunofluorescence assay and reduced level of MPO-DNA complex in plasma. The in vitro assay showed a similar trend that the three components inhibited PMA-induced NET release in neutrophil-like HL-60 cells. Western blot demonstrated that phosphorylation of c-rapidly accelerated fibrosarcoma (c-Raf), mitogen-activated protein kinase ERK kinase (MEK), and extracellular signal-regulated kinase (ERK) in the lungs of LPS-challenged mice, and PMA-treated HL-60 cells were all significantly reduced by SYA, HSYA, and AHSYB. Therefore, our data demonstrated that three components of XBJ, including SYA, HSYA, and AHSYB, showed a protective effect against LPS-induced lung injury and NET release.
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Willis JR, Gabaldón T. The Human Oral Microbiome in Health and Disease: From Sequences to Ecosystems. Microorganisms 2020; 8:microorganisms8020308. [PMID: 32102216 PMCID: PMC7074908 DOI: 10.3390/microorganisms8020308] [Citation(s) in RCA: 216] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 02/07/2023] Open
Abstract
Abstract: The human oral cavity is home to an abundant and diverse microbial community (i.e., the oral microbiome), whose composition and roles in health and disease have been the focus of intense research in recent years. Thanks to developments in sequencing-based approaches, such as 16S ribosomal RNA metabarcoding, whole metagenome shotgun sequencing, or meta-transcriptomics, we now can efficiently explore the diversity and roles of oral microbes, even if unculturable. Recent sequencing-based studies have charted oral ecosystems and how they change due to lifestyle or disease conditions. As studies progress, there is increasing evidence of an important role of the oral microbiome in diverse health conditions, which are not limited to diseases of the oral cavity. This, in turn, opens new avenues for microbiome-based diagnostics and therapeutics that benefit from the easy accessibility of the oral cavity for microbiome monitoring and manipulation. Yet, many challenges remain ahead. In this review, we survey the main sequencing-based methodologies that are currently used to explore the oral microbiome and highlight major findings enabled by these approaches. Finally, we discuss future prospects in the field.
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Affiliation(s)
- Jesse R. Willis
- Barcelona Supercomputing Centre (BCS-CNS), Jordi Girona, 29., 08034 Barcelona, Spain
- Institute for Research in Biomedicine (IRB), The Barcelona Institute of Science and Technology (BIST), 08034 Barcelona, Spain
| | - Toni Gabaldón
- Barcelona Supercomputing Centre (BCS-CNS), Jordi Girona, 29., 08034 Barcelona, Spain
- Institute for Research in Biomedicine (IRB), The Barcelona Institute of Science and Technology (BIST), 08034 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
- Correspondence:
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Sanz M, del Castillo AM, Jepsen S, Gonzalez-Juanatey JR, D’Aiuto F, Bouchard P, Chapple I, Dietrich T, Gotsman I, Graziani F, Herrera D, Loos B, Madianos P, Michel JB, Perel P, Pieske B, Shapira L, Shechter M, Tonetti M, Vlachopoulos C, Wimmer G. Periodontitis and Cardiovascular Diseases. Consensus Report. Glob Heart 2020; 15:1. [PMID: 32489774 PMCID: PMC7218770 DOI: 10.5334/gh.400] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 12/11/2022] Open
Abstract
Background In Europe cardiovascular disease (CVD) is responsible for 3.9 million deaths (45% of deaths), being ischaemic heart disease, stroke, hypertension (leading to heart failure) the major cause of these CVD related deaths. Periodontitis is also a chronic non-communicable disease (NCD) with a high prevalence, being severe periodontitis, affecting 11.2% of the world's population, the sixth most common human disease. Material and Methods There is now a significant body of evidence to support independent associations between severe periodontitis and several NCDs, in particular CVD. In 2012 a joint workshop was held between the European Federation of Periodontology (EFP) and the American Academy of Periodontology to review the literature relating periodontitis and systemic diseases, including CVD. In the last five years important new scientific information has emerged providing important emerging evidence to support these associations. Results and Conclusions The present review reports the proceedings of the workshop jointly organised by the EFP and the World Heart Federation (WHF), which has updated the existing epidemiological evidence for significant associations between periodontitis and CVD, the mechanistic links and the impact of periodontal therapy on cardiovascular and surrogate outcomes. This review has also focused on the potential risk and complications of periodontal therapy in patients on anti thrombotic therapy and has made recommendations for dentists, physicians and for patients visiting both the dental and medical practices.
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Affiliation(s)
- M. Sanz
- Department of Dental Clinical Specialties and ETEP Research Group, Faculty of Odontology, University Complutense of Madrid, Plaza Ramon y Cajal, Madrid, ES
| | | | - S. Jepsen
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, DE
| | - J. R. Gonzalez-Juanatey
- Cardiology Department, University Hospital, University of Santiago de Compostela, IDIS, CIBERCV, ES
| | - F. D’Aiuto
- Department of Periodontology, Eastman Dental Institute and Hospital, University College London, London, UK
| | - P. Bouchard
- U.F.R. d’odontologie, Université Paris Diderot, Hôpital Rothschild AP-HP, Paris, FR
| | - I. Chapple
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, The University of Birmingham, Birmingham, UK
| | - T. Dietrich
- School of Dentistry, Institute of Clinical Sciences, College of Medical and Dental Sciences, The University of Birmingham, Birmingham, UK
| | - I. Gotsman
- Heart Institute, Hadassah University Hospital, Jerusalem, IL
| | - F. Graziani
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, IT
| | - D. Herrera
- Department of Dental Clinical Specialties and ETEP Research Group, Faculty of Odontology, University Complutense of Madrid, Plaza Ramon y Cajal, Madrid, ES
| | - B. Loos
- ACTA University, Amsterdam, NL
| | - P. Madianos
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, GR
| | - J. B. Michel
- Inserm Unit 1148, laboratory for translational CV science, X. Bichat hospital, Paris, FR
| | - P. Perel
- World Heart Federation, Geneva, CH
- Centre for Global Chronic Conditions, London School of Hygiene and Tropical Medicine, UK
| | - B. Pieske
- Charité Universitätsmedizin Berlin, Department of Internal Medicine and Cardiology, Berlin, DE
- DZHK (German Center for Cardiovascular Research) Partnersite Berlin, German Heart Institut Berlin, DE
| | - L. Shapira
- Department of Periodontology, Hebrew University – Hadassah Faculty of Dental Medicine, Jerusalem, IL
| | - M. Shechter
- Leviev Heart Center, Chaim Sheba Medical Center, tel Hashomer and the Sackler Faculty of Medicine, Tel Aviv University, IL
| | - M. Tonetti
- Department of Periodontology, The University of Hong Kong, Prince Philip Dental Hospital, HK
| | - C. Vlachopoulos
- Department of Cardiology, National and Kapodistrian University of Athens, GR
| | - G. Wimmer
- Department of Prosthetic Dentistry, School of Dental Medicine, Karl-Franzens University Graz, AT
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Moschonas IC, Tselepis AD. The pathway of neutrophil extracellular traps towards atherosclerosis and thrombosis. Atherosclerosis 2019; 288:9-16. [DOI: 10.1016/j.atherosclerosis.2019.06.919] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 06/24/2019] [Accepted: 06/28/2019] [Indexed: 12/13/2022]
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38
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Schulz M, Zambrano F, Schuppe HC, Wagenlehner F, Taubert A, Ulrich G, Sánchez R, Hermosilla C. Determination of leucocyte extracellular traps (ETs) in seminal fluid (ex vivo) in infertile patients-A pilot study. Andrologia 2019; 51:e13356. [PMID: 31287181 DOI: 10.1111/and.13356] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 05/22/2019] [Accepted: 05/28/2019] [Indexed: 12/29/2022] Open
Abstract
Leucocytospermia has been associated with loss of sperm function. Extracellular traps (ETs) of leucocytes are produced during innate immune response. ETs can be activated by spermatozoa in contact with polymorphonuclear (in vitro), inducing sperm entrapment and decrease motility. In this pilot study, we describe the results of ETosis ex vivo, in seminal fluid (SF) smear of infertile patients, associating ETs with leucocytospermia and bacteriospermia. In 21 infertile patients, semen parameters (WHO, 2010), microbiological study, leucocytospermia and presence of ETs in SF were determined. Leucocytes (CD45, CD15 and CD68) were evaluated by immunostaining in SF smears. Indirect immunofluorescence (global histone and H4-citrullinated 3) and scanning electron microscopy (SEM) were used to determine ETs morphology. In 28.6% of patients presented leucocytospermia without bacteriospermia, all of them presented a large number of ETs in the SF smears examined. About 76.6% of the patients without leucocytospermia were positive for ETs. Samples with leucocytospermia have a higher number of ETs and would be related to the amount of leucocytes in the SF. The morphological predominant ETs were diffuse (diffETs) and spread (sprETs). The formation of ETs indicates leucocyte activation in semen, and it was observed that ETosis does not depend exclusively on the presence of bacterial contamination.
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Affiliation(s)
- Mabel Schulz
- Laboratory in Reproductive Medicine and Molecular Endocrinology, Centre of Traslational Medicine (CEMT), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.,Department of Preclinical Science, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.,Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Fabiola Zambrano
- Laboratory in Reproductive Medicine and Molecular Endocrinology, Centre of Traslational Medicine (CEMT), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.,Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Hans-Christian Schuppe
- Department of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen, Giessen, Germany
| | - Florian Wagenlehner
- Department of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen, Giessen, Germany
| | - Anja Taubert
- Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany
| | - Gärtner Ulrich
- Institute of Anatomy and Cell Biology, Justus Liebig University Giessen, Giessen, Germany
| | - Raúl Sánchez
- Laboratory in Reproductive Medicine and Molecular Endocrinology, Centre of Traslational Medicine (CEMT), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.,Department of Preclinical Science, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Carlos Hermosilla
- Institute of Parasitology, Justus Liebig University Giessen, Giessen, Germany
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The Role of the Microbiota in the Diabetic Peripheral Artery Disease. Mediators Inflamm 2019; 2019:4128682. [PMID: 31205450 PMCID: PMC6530226 DOI: 10.1155/2019/4128682] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 04/01/2019] [Accepted: 04/14/2019] [Indexed: 02/07/2023] Open
Abstract
Vascular complications of diabetes mellitus represent a major public health problem. Although many steps forward have been made to define the causes and to find the best possible therapies, the problem remains crucial. In recent years, more and more evidences have defined a link between microbiota and the initiation, promotion, and evolution of atherosclerotic disease, even in the diabetic scenario. There is an urgency to develop the knowledge of modern medicine about the link between gut microbiota and its host's metabolic pathways, and it would be useful to understand and justify the interindividual diversity of clinical disease presentation of diabetic vascular complication even if an optimization of pharmacological treatment has been made or in the case of young patients where hypertension, dyslipidemia, and diabetes are not able to justify a very quick progress of atherosclerotic process. The aim of the present review is to gather all the best available evidence in this regard and to define a new role of the microbiota in this field, from biomarker to possible therapeutic target.
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40
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Bariatric surgery and periodontal status: A systematic review with meta-analysis. Surg Obes Relat Dis 2018; 14:1618-1631. [DOI: 10.1016/j.soard.2018.07.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 06/14/2018] [Accepted: 07/17/2018] [Indexed: 12/31/2022]
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41
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Araújo IMP, Albuquerque-Souza E, Aguiar-Oliveira MH, Holzhausen M, Oliveira-Neto LA, Salvatori R, Saraiva L, Mayer MPA, Pannuti CM, Ribeiro AO, Romito GA, Pustiglioni FE. Immunological and microbiological periodontal profiles in isolated growth hormone deficiency. J Periodontol 2018; 89:1351-1361. [PMID: 29797719 DOI: 10.1002/jper.17-0687] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/09/2018] [Accepted: 04/29/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND Growth hormone (GH) has been identified as an important regulator of the immune response. We have previously shown that adults with isolated GH deficiency (IGHD) due to a mutation in the GH releasing hormone receptor (GHRHR) gene, have a greater chance of having periodontitis. However, the interaction of GH with periodontal tissues is still unknown, and this population has emerged as a unique model to investigate this issue. Therefore, we evaluated the microbiological and immunological periodontal profiles of such individuals. METHODS Nineteen IGHD and 19 controls matched by age, sex, diabetes, and smoking status, were enrolled in this case-control study. Periodontal clinical parameters (probing depth [PD] and clinical attachment loss [AL]) were measured at six sites per tooth. Immune mediators (C-reactive protein, matrix metalloproteinase [MMP]-8, MMP-9, interleukin [IL]-1α, IL-6, IL-8, tumor necrosis factor [TNF]-α, adiponectin, and leptin) were analyzed by enzyme-linked immunosorbent assay (ELISA) in the gingival crevicular fluid (GCF) in four non-adjacent sites for each participant (two with PD ≤3 mm [shallow sites] and two with PD ≥7 mm or the worst PD found in the mouth [deep sites]). Bacterial quantification (Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia) of subgingival biofilm samples collected from these same sites was performed by quantitative real-time polymerase chain reaction (qPCR). RESULTS IGHD individuals presented higher values of PD and AL, and increased levels of CRP, IL-8, MMP-8, and adiponectin in the GCF. Bacterial quantification did not identify differences between the two groups. CONCLUSION IGHD alters the local immune response in periodontal pockets leading to greater attachment loss, and GH stands out as an important hormone to be evaluated in the pathogenesis of periodontitis.
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Affiliation(s)
- I M P Araújo
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - E Albuquerque-Souza
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - M H Aguiar-Oliveira
- Division of Endocrinology, Federal University of Sergipe, 49060-100, Aracaju, SE, Brazil
| | - M Holzhausen
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - L A Oliveira-Neto
- Division of Endocrinology, Federal University of Sergipe, 49060-100, Aracaju, SE, Brazil
| | - R Salvatori
- Division of Endocrinology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - L Saraiva
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - M P A Mayer
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, SP, Brazil
| | - C M Pannuti
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - A O Ribeiro
- Federal University of Sergipe, Division of Immunology and Molecular Biology Laboratory, SE, Brazil
| | - G A Romito
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
| | - F E Pustiglioni
- Division of Periodontics, School of Dentistry, University of São Paulo, SP, Brazil
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Kell DB, Pretorius E. No effects without causes: the Iron Dysregulation and Dormant Microbes hypothesis for chronic, inflammatory diseases. Biol Rev Camb Philos Soc 2018; 93:1518-1557. [PMID: 29575574 PMCID: PMC6055827 DOI: 10.1111/brv.12407] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 02/12/2018] [Accepted: 02/15/2018] [Indexed: 12/11/2022]
Abstract
Since the successful conquest of many acute, communicable (infectious) diseases through the use of vaccines and antibiotics, the currently most prevalent diseases are chronic and progressive in nature, and are all accompanied by inflammation. These diseases include neurodegenerative (e.g. Alzheimer's, Parkinson's), vascular (e.g. atherosclerosis, pre-eclampsia, type 2 diabetes) and autoimmune (e.g. rheumatoid arthritis and multiple sclerosis) diseases that may appear to have little in common. In fact they all share significant features, in particular chronic inflammation and its attendant inflammatory cytokines. Such effects do not happen without underlying and initially 'external' causes, and it is of interest to seek these causes. Taking a systems approach, we argue that these causes include (i) stress-induced iron dysregulation, and (ii) its ability to awaken dormant, non-replicating microbes with which the host has become infected. Other external causes may be dietary. Such microbes are capable of shedding small, but functionally significant amounts of highly inflammagenic molecules such as lipopolysaccharide and lipoteichoic acid. Sequelae include significant coagulopathies, not least the recently discovered amyloidogenic clotting of blood, leading to cell death and the release of further inflammagens. The extensive evidence discussed here implies, as was found with ulcers, that almost all chronic, infectious diseases do in fact harbour a microbial component. What differs is simply the microbes and the anatomical location from and at which they exert damage. This analysis offers novel avenues for diagnosis and treatment.
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Affiliation(s)
- Douglas B. Kell
- School of ChemistryThe University of Manchester, 131 Princess StreetManchesterLancsM1 7DNU.K.
- The Manchester Institute of BiotechnologyThe University of Manchester, 131 Princess StreetManchesterLancsM1 7DNU.K.
- Department of Physiological SciencesStellenbosch University, Stellenbosch Private Bag X1Matieland7602South Africa
| | - Etheresia Pretorius
- Department of Physiological SciencesStellenbosch University, Stellenbosch Private Bag X1Matieland7602South Africa
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Mawhin MA, Tilly P, Zirka G, Charles AL, Slimani F, Vonesch JL, Michel JB, Bäck M, Norel X, Fabre JE. Neutrophils recruited by leukotriene B4 induce features of plaque destabilization during endotoxaemia. Cardiovasc Res 2018; 114:1656-1666. [DOI: 10.1093/cvr/cvy130] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 05/17/2018] [Indexed: 12/22/2022] Open
Affiliation(s)
- Marie-Anne Mawhin
- UMR 1148 INSERM, Xavier Bichat Hospital, 46 rue Henri Huchard, Paris, France
- IGMBC, Illkirch, France
- UMR 7104 CNRS, Illkirch, France
- U964 INSERM, Illkirch, France
- Strasbourg University, Strasbourg, France
| | - Peggy Tilly
- IGMBC, Illkirch, France
- UMR 7104 CNRS, Illkirch, France
- U964 INSERM, Illkirch, France
- Strasbourg University, Strasbourg, France
| | - Gaia Zirka
- UMR 1148 INSERM, Xavier Bichat Hospital, 46 rue Henri Huchard, Paris, France
| | - Anne-Laure Charles
- Equipe d'accueil 3072, Faculty of Medicine, Translational Medicine Federation, Strasbourg University, Strasbourg, France
| | - Farid Slimani
- IGMBC, Illkirch, France
- UMR 7104 CNRS, Illkirch, France
- U964 INSERM, Illkirch, France
- Strasbourg University, Strasbourg, France
| | | | | | - Magnus Bäck
- Department of Medicine, Karolinska Institutet, Stockholm, Sweden
- INSERM U1116, University of Lorraine and CHRU, Nancy, France
| | - Xavier Norel
- UMR 1148 INSERM, Xavier Bichat Hospital, 46 rue Henri Huchard, Paris, France
| | - Jean-Etienne Fabre
- UMR 1148 INSERM, Xavier Bichat Hospital, 46 rue Henri Huchard, Paris, France
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44
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Cournot M, Burillo E, Saulnier PJ, Planesse C, Gand E, Rehman M, Ragot S, Rondeau P, Catan A, Gonthier MP, Feigerlova E, Meilhac O, Hadjadj S. Circulating Concentrations of Redox Biomarkers Do Not Improve the Prediction of Adverse Cardiovascular Events in Patients With Type 2 Diabetes Mellitus. J Am Heart Assoc 2018; 7:JAHA.117.007397. [PMID: 29478972 PMCID: PMC5866317 DOI: 10.1161/jaha.117.007397] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Despite pathophysiological relevance and promising experimental data, the usefulness of biomarkers of oxidative stress for cardiac risk prediction is unclear. The aim of our study was to investigate the prognostic value of 6 biomarkers exploring different pathways of oxidative stress for predicting adverse cardiovascular outcomes in patients with type 2 diabetes mellitus beyond established risk factors. Methods and Results The SURDIAGENE (Survie, Diabete de type 2 et Genetique) prospective cohort study consecutively recruited 1468 patients with type 2 diabetes mellitus. Assays were performed at baseline, and incident cases of major adverse cardiovascular events (MACE)—first occurrence of cardiovascular death, nonfatal myocardial infarction, or stroke—were recorded during a median of 64 months. Advanced oxidation protein products, oxidative hemolysis inhibition assay, ischemia‐modified albumin, and total reductive capacity of plasma were not associated with the risk of MACE in univariate analyses. Fluorescent advanced glycation end products and carbonyls were associated with MACE (hazard ratio=1.38 per SD, 95% confidence interval 1.24‐1.54, P<0.001 and hazard ratio=1.15 per SD, 95% confidence interval 1.04‐1.27, P=0.006, respectively) in univariate analysis, but when added to a multivariate predictive model including traditional risk factors for MACE, these markers did not significantly improve c‐statistics or integrated discrimination index of the model. Conclusions These plasma concentrations of 6 markers, which cover a broad spectrum of oxidative processes, were not significantly associated with MACE occurrence and were not able to improve MACE risk discrimination and classification beyond classical risk factors in type 2 diabetes mellitus patients.
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Affiliation(s)
- Maxime Cournot
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France .,Centre d'Investigation Clinique, CHU de La Réunion, Saint Denis de La Réunion, France.,Service de Cardiologie, Centre Hospitalier Gabriel Martin, Saint-Paul, France
| | - Elena Burillo
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France
| | - Pierre-Jean Saulnier
- Centre d'Investigation Clinique, CHU de Poitiers, France.,INSERM, CIC 1402, Poitiers, France.,UFR Médecine Pharmacie, Université de Poitiers, France
| | - Cynthia Planesse
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France
| | | | | | - Stéphanie Ragot
- Centre d'Investigation Clinique, CHU de Poitiers, France.,Pole Dune, CHU de Poitiers, France.,INSERM, CIC 1402, Poitiers, France
| | - Philippe Rondeau
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France
| | - Aurélie Catan
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France
| | - Marie-Paule Gonthier
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France
| | - Eva Feigerlova
- Centre d'Investigation Clinique, CHU de Poitiers, France.,Endocrinologie-Diabétologie, CHU de Poitiers, France.,INSERM, CIC 1402, Poitiers, France.,UFR Médecine Pharmacie, Université de Poitiers, France.,INSERM U1082, Poitiers, France
| | - Olivier Meilhac
- INSERM UMR 1188 DéTROI (Diabète Athérothrombose Thérapies Réunion Océan Indien) Université de La Réunion, Saint Denis de La Réunion, France.,Centre d'Investigation Clinique, CHU de La Réunion, Saint Denis de La Réunion, France
| | - Samy Hadjadj
- Centre d'Investigation Clinique, CHU de Poitiers, France.,Endocrinologie-Diabétologie, CHU de Poitiers, France.,INSERM, CIC 1402, Poitiers, France.,UFR Médecine Pharmacie, Université de Poitiers, France.,INSERM U1082, Poitiers, France
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45
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Wang W, Peng W, Ning X. Increased levels of neutrophil extracellular trap remnants in the serum of patients with rheumatoid arthritis. Int J Rheum Dis 2017; 21:415-421. [PMID: 29106059 DOI: 10.1111/1756-185x.13226] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
AIMS Neutrophil extracellular traps (NETs) comprise a unique form of non-apoptotic cell death exhibited by neutrophils, which occurs in a stepwise process termed NETosis. It has been postulated that NETosis plays an important role in the pathogenesis of autoimmune disorders. The aim of this study was to evaluate serum levels of NET remnants in patients with rheumatoid arthritis (RA), as well as potential associations between NET remnants and indicators of RA. METHODS Serum levels of myeloperoxidase (MPO)-DNA complexes (NET remnants) were examined in 74 RA patients and 50 healthy controls using a modified enzyme-linked immunosorbent assay. Associations between the levels of these complexes and indicators of RA were then statistically evaluated. RESULTS RA patients exhibited significantly higher levels of MPO-DNA complexes than the healthy controls, and these levels were associated with increased neutrophil counts and positivity for rheumatoid factor (RF) and anti-citrullinated protein/peptide antibodies (ACPA). Among the 63 ACPA-positive RA patients examined, those with ACPA titers > 1600 U/mL showed significantly increased MPO-DNA levels. Receiver operating characteristic analysis determined that the area under the curve for all 74 RA patients was 0.798, with a sensitivity of 91.9% and a specificity of 56.0%, while that for the ACPA-negative patients was 0.891, with a sensitivity and specificity of 81.8% and 84.0%, respectively. CONCLUSIONS The results of this study suggest that the disease status of RA is associated with increased NETosis. In particular, evaluation of serum MPO-DNA levels may comprise a useful complementary tool for discriminating RA patients from healthy individuals.
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Affiliation(s)
- Wei Wang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wanchan Peng
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xingwang Ning
- Department of Clinical Laboratory, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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46
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An emerging role for neutrophil extracellular traps in noninfectious disease. Nat Med 2017; 23:279-287. [PMID: 28267716 DOI: 10.1038/nm.4294] [Citation(s) in RCA: 780] [Impact Index Per Article: 111.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 01/25/2017] [Indexed: 12/12/2022]
Abstract
The production of neutrophil extracellular traps (NETs) is a process that enables neutrophils to help catch and kill bacteria. However, increasing evidence suggests that this process might also occur in noninfectious, sterile inflammation. In this Review, we describe the role of NETosis in autoimmunity, coagulation, acute injuries and cancer, and discuss NETs as potential therapeutic targets. Furthermore, we consider whether extracellular DNA is always detrimental in sterile inflammation and whether the source is always NETs.
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47
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Le Sage F, Meilhac O, Gonthier MP. Porphyromonas gingivalis lipopolysaccharide induces pro-inflammatory adipokine secretion and oxidative stress by regulating Toll-like receptor-mediated signaling pathways and redox enzymes in adipocytes. Mol Cell Endocrinol 2017; 446:102-110. [PMID: 28216438 DOI: 10.1016/j.mce.2017.02.022] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 02/13/2017] [Accepted: 02/13/2017] [Indexed: 11/21/2022]
Abstract
Gut microbiota LPS contributes to obesity-related chronic inflammation and oxidative stress, promoting insulin resistance. Periodontal disease also represents a risk factor for type 2 diabetes and is associated with obesity. This study compared the effect of LPS from P. gingivalis periodontopathogen and E. coli enterobacteria on inflammatory adipokine secretion and redox status of 3T3-L1 adipocytes. We found that both LPS activated TLR2- and TLR4-mediated signaling pathways involving MyD88 adaptor and NFκB transcription factor, leading to an increased secretion of leptin, resistin, IL-6 and MCP-1. These effects were partly blocked by inhibitors targeting p38 MAPK, JNK and ERK. Moreover, P. gingivalis LPS reduced adiponectin secretion. Both LPS also enhanced ROS production and the expression of NOX2, NOX4 and iNOS genes. P. gingivalis LPS altered catalase gene expression. Collectively, these results showed that LPS of periodontal bacteria induced pro-inflammatory adipokine secretory profile and oxidative stress in adipocytes which may participate to obesity-related insulin resistance.
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Affiliation(s)
- Fanny Le Sage
- Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, Sainte-Clotilde, F-97490, France; Université de La Réunion, UMR 1188, Sainte-Clotilde, F-97490, France
| | - Olivier Meilhac
- Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, Sainte-Clotilde, F-97490, France; Université de La Réunion, UMR 1188, Sainte-Clotilde, F-97490, France; CHU de La Réunion, Saint-Denis, F-97400, France
| | - Marie-Paule Gonthier
- Inserm, UMR 1188 Diabète athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, Sainte-Clotilde, F-97490, France; Université de La Réunion, UMR 1188, Sainte-Clotilde, F-97490, France.
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48
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Döring Y, Soehnlein O, Weber C. Neutrophil Extracellular Traps in Atherosclerosis and Atherothrombosis. Circ Res 2017; 120:736-743. [PMID: 28209798 DOI: 10.1161/circresaha.116.309692] [Citation(s) in RCA: 323] [Impact Index Per Article: 46.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/13/2016] [Accepted: 01/16/2016] [Indexed: 12/17/2022]
Abstract
Neutrophil extracellular traps expelled from suicidal neutrophils comprise a complex structure of nuclear chromatin and proteins of nuclear, granular, and cytosolic origin. These net-like structures have also been detected in atherosclerotic lesions and arterial thrombi in humans and mice. Functionally, neutrophil extracellular traps have been shown to induce activation of endothelial cells, antigen-presenting cells, and platelets, resulting in a proinflammatory immune response. Overall, this suggests that they are not only present in plaques and thrombi but also they may play a causative role in triggering atherosclerotic plaque formation and arterial thrombosis. This review will focus on current findings of the involvement of neutrophil extracellular traps in atherogenesis and atherothrombosis.
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Affiliation(s)
- Yvonne Döring
- From the Institute for Cardiovascular Prevention (IPEK), Department of Medicine, LMU Munich, Germany (Y.D., O.S., C.W.); DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Germany (O.S., C.W.); Department of Pathology, Academic Medical Center, Amsterdam, The Netherlands (O.S.); and Department of Biochemistry, Cardiovascular Research Institute (CARIM), Maastricht University, The Netherlands (C.W.).
| | - Oliver Soehnlein
- From the Institute for Cardiovascular Prevention (IPEK), Department of Medicine, LMU Munich, Germany (Y.D., O.S., C.W.); DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Germany (O.S., C.W.); Department of Pathology, Academic Medical Center, Amsterdam, The Netherlands (O.S.); and Department of Biochemistry, Cardiovascular Research Institute (CARIM), Maastricht University, The Netherlands (C.W.)
| | - Christian Weber
- From the Institute for Cardiovascular Prevention (IPEK), Department of Medicine, LMU Munich, Germany (Y.D., O.S., C.W.); DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Germany (O.S., C.W.); Department of Pathology, Academic Medical Center, Amsterdam, The Netherlands (O.S.); and Department of Biochemistry, Cardiovascular Research Institute (CARIM), Maastricht University, The Netherlands (C.W.).
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Chlorinated Phospholipids and Fatty Acids: (Patho)physiological Relevance, Potential Toxicity, and Analysis of Lipid Chlorohydrins. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:8386362. [PMID: 28090245 PMCID: PMC5206476 DOI: 10.1155/2016/8386362] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/24/2016] [Accepted: 11/06/2016] [Indexed: 12/17/2022]
Abstract
Chlorinated phospholipids are formed by the reaction of hypochlorous acid (HOCl), generated by the enzyme myeloperoxidase under inflammatory conditions, and the unsaturated fatty acyl residues or the head group. In the first case the generated chlorohydrins are both proinflammatory and cytotoxic, thus having a significant impact on the structures of biomembranes. The latter case leads to chloramines, the properties of which are by far less well understood. Since HOCl is also widely used as a disinfecting and antibacterial agent in medicinal, industrial, and domestic applications, it may represent an additional source of danger in the case of abuse or mishandling. This review discusses the reaction behavior of in vivo generated HOCl and biomolecules like DNA, proteins, and carbohydrates but will focus on phospholipids. Not only the beneficial and pathological (toxic) effects of chlorinated lipids but also the importance of these chlorinated species is discussed. Some selected cleavage products of (chlorinated) phospholipids and plasmalogens such as lysophospholipids, (chlorinated) free fatty acids and α-chloro fatty aldehydes, which are all well known to massively contribute to inflammatory diseases associated with oxidative stress, will be also discussed. Finally, common analytical methods to study these compounds will be reviewed with focus on mass spectrometric techniques.
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50
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Chhibber-Goel J, Singhal V, Bhowmik D, Vivek R, Parakh N, Bhargava B, Sharma A. Linkages between oral commensal bacteria and atherosclerotic plaques in coronary artery disease patients. NPJ Biofilms Microbiomes 2016. [PMID: 28649401 PMCID: PMC5460270 DOI: 10.1038/s41522-016-0009-7] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Coronary artery disease is an inflammatory disorder characterized by narrowing of coronary arteries due to atherosclerotic plaque formation. To date, the accumulated epidemiological evidence supports an association between oral bacterial diseases and coronary artery disease, but has failed to prove a causal link between the two. Due to the recent surge in microbial identification and analyses techniques, a number of bacteria have been independently found in atherosclerotic plaque samples from coronary artery disease patients. In this study, we present meta-analysis from published studies that have independently investigated the presence of bacteria within atherosclerotic plaque samples in coronary artery disease patients. Data were collated from 63 studies covering 1791 patients spread over a decade. Our analysis confirms the presence of 23 oral commensal bacteria, either individually or in co-existence, within atherosclerotic plaques in patients undergoing carotid endarterectomy, catheter-based atherectomy, or similar procedures. Of these 23 bacteria, 5 (Campylobacter rectus, Porphyromonas gingivalis, Porphyromonas endodontalis, Prevotella intermedia, Prevotella nigrescens) are unique to coronary plaques, while the other 18 are additionally present in non-cardiac organs, and associate with over 30 non-cardiac disorders. We have cataloged the wide spectrum of proteins secreted by above atherosclerotic plaque-associated bacteria, and discuss their possible roles during microbial migration via the bloodstream. We also highlight the prevalence of specific poly-microbial communities within atherosclerotic plaques. This work provides a resource whose immediate implication is the necessity to systematically catalog landscapes of atherosclerotic plaque-associated oral commensal bacteria in human patient populations. A review of bacterial populations in the mouth and in diseased arteries will help research into the role of bacteria in heart disease. Amit Sharma and colleagues at the International Centre for Genetic Engineering and Biotechnology, with co-workers at the All India Institute of Medical Sciences, both in New Delhi, India, analyzed 63 studies covering 1791 patients spread over a decade. They summarize evidence of 23 types of oral bacteria that are also found in atherosclerotic plaques in artery walls. The review also cataloged the proteins secreted by the bacteria and discussed possible involvement of these proteins in the migration of bacteria through the bloodstream. Full genetic details are available for 19 of the 23 bacterial species, which should greatly assist further investigations into the significance of bacteria in the onset of heart disease.
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Affiliation(s)
- Jyoti Chhibber-Goel
- Molecular Medicine Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Varsha Singhal
- Molecular Medicine Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Debaleena Bhowmik
- Molecular Medicine Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Rahul Vivek
- Molecular Medicine Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Neeraj Parakh
- Cardiothoracic Sciences Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Balram Bhargava
- Cardiothoracic Sciences Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Amit Sharma
- Molecular Medicine Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
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