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Hopkins S, Gajagowni S, Qadeer Y, Wang Z, Virani SS, Meurman JH, Leischik R, Lavie CJ, Strauss M, Krittanawong C. More than just teeth: How oral health can affect the heart. AMERICAN HEART JOURNAL PLUS : CARDIOLOGY RESEARCH AND PRACTICE 2024; 43:100407. [PMID: 38873102 PMCID: PMC11169959 DOI: 10.1016/j.ahjo.2024.100407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 05/14/2024] [Indexed: 06/15/2024]
Abstract
Epidemiological evidence has revealed a potential relationship between periodontal disease and cardiovascular disease (CVD). Consensus regarding a link between these pathologies remains elusive, however, largely secondary to the considerable overlap between risk factors and comorbidities common to both disease processes. This review article aims to update the evidence for an association by summarizing the evidence for causality between periodontitis and comorbidities linked to CVD, including endocarditis, hypertension (HTN), atrial fibrillation (AF), coronary artery disease (CAD), diabetes mellitus (DM) and hyperlipidemia (HLD). This article additionally discusses the role for periodontal therapy to improved management of the comorbidities, with the larger goal of examining the value of periodontal therapy on reduction of CVD risk. In doing so, we endeavor to further the understanding of the commonality between periodontitis, and CVD.
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Affiliation(s)
- Steven Hopkins
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | | | - Yusuf Qadeer
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Zhen Wang
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA
- Division of Health Care Policy and Research, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Salim S. Virani
- Section of Cardiology and Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Office of the Vice Provost (Research), The Aga Khan University, Karachi 74800, Pakistan
| | - Jukka H. Meurman
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Roman Leischik
- Department of Cardiology, Sector Preventive Medicine, Health Promotion, Faculty of Health, School of Medicine, University Witten/Herdecke, 58095 Hagen, Germany
| | - Carl J. Lavie
- John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA 70121, USA
| | - Markus Strauss
- Department of Cardiology, Sector Preventive Medicine, Health Promotion, Faculty of Health, School of Medicine, University Witten/Herdecke, 58095 Hagen, Germany
- Department of Cardiology I- Coronary and Periphal Vascular Disease, Heart Failure Medicine, University Hospital Muenster, Cardiol, 48149 Muenster, Germany
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Parwani SR, Thakare KS, Kawadkar KP, Soni NJ, Parwani R, Dadlani H, Chaudhary DS, Pahuja D, Spagnuolo G, Armogida NG. Platelet-Rich Fibrin in Non-Surgical Periodontal Therapy: A Split-Mouth Randomized Controlled Clinical Trial. Dent J (Basel) 2024; 12:135. [PMID: 38786533 PMCID: PMC11120449 DOI: 10.3390/dj12050135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
This clinical trial investigated the efficacy of platelet-rich fibrin (PRF) as an adjunct to conventional scaling and root planing (SRP) in non-surgical periodontal therapy. In a split-mouth randomized controlled trial with 13 patients and 26 periodontal pocket sites, PRF was inserted in test group pockets alongside SRP, while control group pockets received SRP alone. Measurements at baseline and six weeks included probing pocket depths (PPDs), clinical attachment loss (CAL), gingival recession (GR), the plaque index, and the gingivitis index. The wound healing index was assessed at six weeks. The results show statistically significant improvements in the SRP+PRF group compared to SRP alone, demonstrating a better CAL gain (SRP+PRF group: 2.69 ± 0.63; SRP alone group: 4.15 ± 0.69-p-value: 0.001), PPD reduction (SRP+PRF group: 2.62 ± 0.65; SRP alone group: 3.85 ± 0.80-p-value: 0.001), and GR minimization (SRP+PRF group: 0.46 ± 0.62; SRP alone group: 0.81 ± 0.72-p-value: 0.21). The adjunctive use of PRF enhanced healing, reduced pocket depths, decreased tissue morbidity, and minimized gingival recession. This study concludes that PRF placement is effective in 5-6 mm pockets, potentially reducing the number of periodontal treatment sessions needed for pocket closure.
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Affiliation(s)
- Simran R. Parwani
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Kaustubh S. Thakare
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Kshipra P. Kawadkar
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Nishita Jaju Soni
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Rajkumar Parwani
- Department of Oral Pathology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India;
| | - Himanshu Dadlani
- Department of Periodontology, Kalka Dental College, Meerut 250103, India;
- Principal Consultant, Department of Dentistry, Max Hospital, Gurugram 122001, India
| | - Dhanashree S. Chaudhary
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Dipanshu Pahuja
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati 444602, India; (S.R.P.); (K.S.T.); (K.P.K.); (N.J.S.); (D.S.C.); (D.P.)
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, 80131 Naples, Italy;
- Therapeutic Dentistry Department, Institute for Dentistry, Sechenov University, Moscow 119991, Russia
| | - Niccolò Giuseppe Armogida
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, 80131 Naples, Italy;
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3
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Carbone M, Mandatori F, Macciotta A, Gambino A, La Bruna P, Broccoletti R, Carossa M, Arduino PG. Assessment of the current knowledge about infective endocarditis prevention among dental hygienists in Italy: A national survey. Int J Dent Hyg 2024; 22:294-305. [PMID: 36951198 DOI: 10.1111/idh.12676] [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: 05/16/2022] [Revised: 01/21/2023] [Accepted: 03/12/2023] [Indexed: 03/24/2023]
Abstract
OBJECTIVES To date, there is a lack of data regarding the acceptance of the guidelines for infective endocarditis (IE) prevention among dentists in Italy, and similarly, there are no data on the understanding and compliance of those among dental hygienists (DH). Thus, we tried to assess the ability of DH to recognize and manage categories of patients at high risk of EI, to identify which dental procedures are at increased risk and to assess the level of knowledge of doses and how antibiotic prophylaxis should be administered in specific cases. METHODS An anonymous questionnaire was prepared and made accessible online by sharing a Google Forms® link; general personal data and educational background information were collected to obtain a profile of the participants. RESULTS A total of 362 DH answered to our web-based survey, showing a prevalent female percentage (86.7%) and the most represented age group of 30-39 years old (43.1%). Regarding the gender differences, there were not overall statistically significant differences; similarly, we did not find any differences regarding the overall number of wrong questions if considering the different ages of the participant and the year of graduation. Graduates in Northern Italy have mistaken fewer questions than graduates in other geographical areas. CONCLUSION To the best of our knowledge, this is the largest survey about the knowledge of IE for DH ever performed. Because the overprescription of antibiotics contributes to the development of drug resistance, antibiotic stewardship should be at the forefront of patient care. Our data reflect the need for placing a greater emphasis on IE prophylaxis education in training and during continuing professional development events for DH.
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Affiliation(s)
- Mario Carbone
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Federica Mandatori
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Alessandra Macciotta
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Alessio Gambino
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Pietro La Bruna
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Roberto Broccoletti
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Massimo Carossa
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
| | - Paolo G Arduino
- Department of Surgical Science, CIR-Dental School, University of Turin, Turin, Italy
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Di Carluccio C, Cerofolini L, Moreira M, Rosu F, Padilla-Cortés L, Gheorghita GR, Xu Z, Santra A, Yu H, Yokoyama S, Gray TE, St. Laurent CD, Manabe Y, Chen X, Fukase K, Macauley MS, Molinaro A, Li T, Bensing BA, Marchetti R, Gabelica V, Fragai M, Silipo A. Molecular Insights into O-Linked Sialoglycans Recognition by the Siglec-Like SLBR-N (SLBR UB10712) of Streptococcus gordonii. ACS CENTRAL SCIENCE 2024; 10:447-459. [PMID: 38435526 PMCID: PMC10906241 DOI: 10.1021/acscentsci.3c01598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 03/05/2024]
Abstract
Streptococcus gordonii is a Gram-positive bacterial species that typically colonizes the human oral cavity, but can also cause local or systemic diseases. Serine-rich repeat (SRR) glycoproteins exposed on the S. gordonii bacterial surface bind to sialylated glycans on human salivary, plasma, and platelet glycoproteins, which may contribute to oral colonization as well as endocardial infections. Despite a conserved overall domain organization of SRR adhesins, the Siglec-like binding regions (SLBRs) are highly variable, affecting the recognition of a wide range of sialoglycans. SLBR-N from the SRR glycoprotein of S. gordonii UB10712 possesses the remarkable ability to recognize complex core 2 O-glycans. We here employed a multidisciplinary approach, including flow cytometry, native mass spectrometry, isothermal titration calorimetry, NMR spectroscopy from both protein and ligand perspectives, and computational methods, to investigate the ligand specificity and binding preferences of SLBR-N when interacting with mono- and disialylated core 2 O-glycans. We determined the means by which SLBR-N preferentially binds branched α2,3-disialylated core 2 O-glycans: a selected conformation of the 3'SLn branch is accommodated into the main binding site, driving the sTa branch to further interact with the protein. At the same time, SLBR-N assumes an open conformation of the CD loop of the glycan-binding pocket, allowing one to accommodate the entire complex core 2 O-glycan. These findings establish the basis for the generation of novel tools for the detection of specific complex O-glycan structures and pave the way for the design and development of potential therapeutics against streptococcal infections.
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Affiliation(s)
- Cristina Di Carluccio
- Department
of Chemical Sciences, University of Naples
Federico II, Naples 80138, Italy
| | - Linda Cerofolini
- Magnetic
Resonance Centre (CERM), CIRMMP, and Department of Chemistry “Ugo
Schiff”, University of Florence, Sesto Fiorentino 50019, Italy
| | - Miguel Moreira
- Department
of Chemical Sciences, University of Naples
Federico II, Naples 80138, Italy
| | - Frédéric Rosu
- IECB
Institut Européen de Chimie et Biologie, Pessac 33600, France
| | - Luis Padilla-Cortés
- Magnetic
Resonance Centre (CERM), CIRMMP, and Department of Chemistry “Ugo
Schiff”, University of Florence, Sesto Fiorentino 50019, Italy
| | - Giulia Roxana Gheorghita
- Magnetic
Resonance Centre (CERM), CIRMMP, and Department of Chemistry “Ugo
Schiff”, University of Florence, Sesto Fiorentino 50019, Italy
- Giotto
Biotech s.r.l., Sesto Fiorentino 50019, Italy
| | - Zhuojia Xu
- Shanghai
Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Abhishek Santra
- Department
of Chemistry, University of California,
Davis, Davis, California 95616, United States
| | - Hai Yu
- Department
of Chemistry, University of California,
Davis, Davis, California 95616, United States
| | - Shinji Yokoyama
- Graduate
School of Science, Osaka University, Osaka 565-0871, Japan
| | - Taylor E. Gray
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Chris D. St. Laurent
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Yoshiyuki Manabe
- Graduate
School of Science, Osaka University, Osaka 565-0871, Japan
| | - Xi Chen
- Department
of Chemistry, University of California,
Davis, Davis, California 95616, United States
| | - Koichi Fukase
- Graduate
School of Science, Osaka University, Osaka 565-0871, Japan
| | - Matthew S. Macauley
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
- Department
of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta T6G 2R3, Canada
| | - Antonio Molinaro
- Department
of Chemical Sciences, University of Naples
Federico II, Naples 80138, Italy
- Graduate
School of Science, Osaka University, Osaka 565-0871, Japan
| | - Tiehai Li
- Shanghai
Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Barbara A. Bensing
- San
Francisco Veterans Affairs Medical Center and University of California, San Francisco, California 94121, United States
| | - Roberta Marchetti
- Department
of Chemical Sciences, University of Naples
Federico II, Naples 80138, Italy
| | - Valérie Gabelica
- IECB
Institut Européen de Chimie et Biologie, Pessac 33600, France
| | - Marco Fragai
- Magnetic
Resonance Centre (CERM), CIRMMP, and Department of Chemistry “Ugo
Schiff”, University of Florence, Sesto Fiorentino 50019, Italy
| | - Alba Silipo
- Department
of Chemical Sciences, University of Naples
Federico II, Naples 80138, Italy
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Czarnowski M, Słowińska M, Sawieljew M, Wnorowska U, Daniluk T, Król G, Karasiński M, Okła S, Savage PB, Piktel E, Bucki R. Efficacy of Ceragenins in Controlling the Growth of Oral Microorganisms: Implications for Oral Hygiene Management. Pharmaceuticals (Basel) 2024; 17:204. [PMID: 38399419 PMCID: PMC10893225 DOI: 10.3390/ph17020204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Ensuring proper dental hygiene is of paramount importance for individuals' general well-being, particularly for patients receiving medical care. There is a prevailing utilization of conventional oral hygiene items, including toothbrushes and mouthwashes, which have gained widespread acceptance; nevertheless, their limitations encourage investigating novel options in this domain. Our study indicates that ceragenins (CSAs) being lipid analogs of host defense peptides, well-recognized for their wide-ranging antimicrobial properties, may be a potentially efficacious means to augment oral hygiene in hospitalized individuals. We demonstrate that ceragenins CSA-13, CSA-44, and CSA-131 as well as undescribed to date CSA-255 display potent antimicrobial activities against isolates of fungi, aerobic, and anaerobic bacteria from Candida, Streptococcus, Enterococcus, and Bacteroides species, which are well-recognized representatives of microbes found in the oral cavity. These effects were further confirmed against mono- and dual-species fungal and bacterial biofilms. While the ceragenins showed similar or slightly diminished efficacy compared to commercially available mouthwashes, they demonstrated a highly favorable toxicity profile toward host cells, that may translate into better maintenance of host mucosal membrane stability. This suggests that incorporating ceragenins into oral hygiene products could be a valuable strategy for reducing the risk of both oral cavity-localized and secondary systemic infections and for improving the overall health outcomes of individuals receiving medical treatment.
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Affiliation(s)
- Michał Czarnowski
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Monika Słowińska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Mariusz Sawieljew
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Urszula Wnorowska
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Tamara Daniluk
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Grzegorz Król
- Institute of Medical Science, Collegium Medicum, Jan Kochanowski University of Kielce, 25-317 Kielce, Poland; (G.K.); (S.O.)
| | - Maciej Karasiński
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
| | - Sławomir Okła
- Institute of Medical Science, Collegium Medicum, Jan Kochanowski University of Kielce, 25-317 Kielce, Poland; (G.K.); (S.O.)
- Holy Cross Cancer Center, 25-734 Kielce, Poland
| | - Paul B. Savage
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, USA;
| | - Ewelina Piktel
- Independent Laboratory of Nanomedicine, Medical University of Białystok, 15-222 Białystok, Poland;
| | - Robert Bucki
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Białystok, 15-222 Białystok, Poland; (M.C.); (M.S.); (M.S.); (U.W.); (T.D.); (M.K.)
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Manzoor M, Leskelä J, Pietiäinen M, Martinez-Majander N, Ylikotila P, Könönen E, Niiranen T, Lahti L, Sinisalo J, Putaala J, Pussinen PJ, Paju S. Multikingdom oral microbiome interactions in early-onset cryptogenic ischemic stroke. ISME COMMUNICATIONS 2024; 4:ycae088. [PMID: 38988699 PMCID: PMC11235082 DOI: 10.1093/ismeco/ycae088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 04/15/2024] [Accepted: 06/19/2024] [Indexed: 07/12/2024]
Abstract
Although knowledge of the role of the oral microbiome in ischemic stroke is steadily increasing, little is known about the multikingdom microbiota interactions and their consequences. We enrolled participants from a prospective multicentre case-control study and investigated multikingdom microbiome differences using saliva metagenomic datasets (n = 308) from young patients diagnosed with cryptogenic ischemic stroke (CIS) and age- and sex-matched stroke-free controls. Differentially abundant taxa were identified using Analysis of Compositions of Microbiomes with Bias Correction (ANCOM-BC2). Functional potential was inferred using HUMANn3. Our findings revealed significant differences in the composition and functional capacity of the oral microbiota associated with CIS. We identified 51 microbial species, including 47 bacterial, 3 viral, and one fungal species associated with CIS in the adjusted model. Co-abundance network analysis highlighted a more intricate microbial network in CIS patients, indicating potential interactions and co-occurrence patterns among microbial species across kingdoms. The results of our metagenomic analysis reflect the complexity of the oral microbiome, with high diversity and multikingdom interactions, which may play a role in health and disease.
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Affiliation(s)
- Muhammed Manzoor
- Department of Oral and Maxillofacial Diseases, University of Helsinki, 00014 Helsinki, Finland
| | - Jaakko Leskelä
- Department of Oral and Maxillofacial Diseases, University of Helsinki, 00014 Helsinki, Finland
| | - Milla Pietiäinen
- Department of Oral and Maxillofacial Diseases, University of Helsinki, 00014 Helsinki, Finland
- Industrial Biotechnology and Food Protein Production, VTT Technical Research Centre of Finland, 02044 Espoo, Finland
| | - Nicolas Martinez-Majander
- Department of Neurology, Helsinki University Hospital and University of Helsinki, 00290 Helsinki, Finland
| | - Pauli Ylikotila
- Neurocenter, Turku University Hospital, University of Turku, 20521 Turku, Finland
| | - Eija Könönen
- Institute of Dentistry, University of Turku, 20500 Turku, Finland
| | - Teemu Niiranen
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, 00271 Helsinki, Finland
- Department of Internal Medicine, Turku University Hospital and University of Turku, 20521 Turku, Finland
| | - Leo Lahti
- Department of Computing, University of Turku, 20500 Turku, Finland
| | - Juha Sinisalo
- Heart and Lung Center, Helsinki University Central Hospital, and Helsinki University, 00260 Helsinki, Finland
| | - Jukka Putaala
- Department of Neurology, Helsinki University Hospital and University of Helsinki, 00290 Helsinki, Finland
| | - Pirkko J Pussinen
- Department of Oral and Maxillofacial Diseases, University of Helsinki, 00014 Helsinki, Finland
- School of Medicine, Institute of Dentistry, University of Eastern Finland, 70211 Kuopio, Finland
| | - Susanna Paju
- Department of Oral and Maxillofacial Diseases, University of Helsinki, 00014 Helsinki, Finland
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da Rocha Santos LMB, de Paula Ramos L, Santos CER, Miranda DG, Gimenez MG, Meccatti VM, Abu Hasna A, Dos Santos Oliveira M, Neto MB, Dias de Oliveira L. Saliva culture as a predictive indicator for current blood infections and antimicrobial resistance in the ICU setting. Sci Rep 2023; 13:20317. [PMID: 37985806 PMCID: PMC10662427 DOI: 10.1038/s41598-023-47143-3] [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: 09/09/2023] [Accepted: 11/09/2023] [Indexed: 11/22/2023] Open
Abstract
Antimicrobial resistance is a worldwide health problem and patients in intensive care are more vulnerable, requiring strict control measures and early identification. Currently, clinical culture materials are used to identify the bacterial agent, but saliva culture is not validated, which has great clinical relevance because it participates in several pathophysiological processes. The aim of this study was to validate saliva culture in an intensive care unit environment, determining its diagnostic value for infection. For this purpose, the results of the 39-month surveillance cultures, from the database of a private hospital were evaluated. A total of 323 cultures were paired between saliva, tracheal secretions, blood and urine from patients who were hospitalized for more than 5 days. The search for correlations between the results was performed using the Spearman correlation test. Severity and evolution data were also correlated. It was possible to correlate the presence of Klebsiella spp. between blood culture and saliva culture in 25% of the results (r = 0.01) and the correlation between saliva and tracheal secretion was 33% (r = 0.33447) with p < 0.0001. In conclusion, saliva can be an excellent discriminator of systemic infections, and can be considered a useful culture in clinical practice.
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Affiliation(s)
- Leonardo Moura Brasil da Rocha Santos
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
- Instituto Policlin de Ensino e Pesquisas-IPEP, Av. Nove de Julho, 430-Vila Ady'Anna, São José dos Campos, SP, 12243-001, Brazil
| | - Lucas de Paula Ramos
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
- Laboratory "Systemic Health Care", EA4129, University of Lyon, Lyon, France
- UFR de Médicine, Université Lyon 1, Lyon, France
| | - Carlos Eduardo Rocha Santos
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
- Instituto Policlin de Ensino e Pesquisas-IPEP, Av. Nove de Julho, 430-Vila Ady'Anna, São José dos Campos, SP, 12243-001, Brazil
| | - Diego Garcia Miranda
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
- UFR de Médicine, Université Lyon 1, Lyon, France
- Laboratoire des Multimatériaux et Interfaces CNRS (UMR 5615), Université Lyon 1, Villeurbanne, France
| | - Mariana Gadelho Gimenez
- Department of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Vanessa Marques Meccatti
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
| | - Amjad Abu Hasna
- Department of Restorative Dentistry, Endodontics Division, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Av. Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil.
| | - Marcela Dos Santos Oliveira
- Anhembi Morumbi University, Benedito Matarazzo, 6070-Jardim Aquarius, São José dos Campos, SP, 12230-002, Brazil
| | - Morun Bernardino Neto
- Departamento de Ciências Básicas e Ambientais-LOB, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho, s/no, Lorena, SP, 12602-810, Brazil
| | - Luciane Dias de Oliveira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, São Paulo State University (ICT-UNESP), Francisco José Longo 777, São Dimas, São José dos Campos, SP, 12245-000, Brazil
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8
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Tran H, Ai A, Gallardo-Huizar OE, Kahn M, Mathisen G. Vertebral osteomyelitis secondary to Streptococcus cristatus infection. Heliyon 2023; 9:e19616. [PMID: 37809561 PMCID: PMC10558856 DOI: 10.1016/j.heliyon.2023.e19616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 10/10/2023] Open
Abstract
A 66-year-old male with a history of low back pain was found to have discitis and osteomyelitis. Biopsy and PCR testing revealed Streptococcus cristatus infection. This bacteria does not typically cause disease, and only a few cases in the literature have reported it to cause infection in the bones or joints. This case illustrates that vertebral osteomyelitis with a rare causative agent, S. cristatus, is possible and can be identified with PCR. Treatment typically requires long-term antibiotics tailored to the causative agent for a minimum of 6 weeks and can sometimes include surgical management.
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Affiliation(s)
- Helen Tran
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | - Angela Ai
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | | | - Michael Kahn
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | - Glenn Mathisen
- Division of Infectious Diseases, Olive View-UCLA Medical Center, Sylmar, CA, United States
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9
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Gomes BPFA, Berber VB, Chiarelli-Neto VM, Aveiro E, Chapola RC, Passini MRZ, Lopes EM, Chen T, Paster BJ. Microbiota present in combined endodontic-periodontal diseases and its risks for endocarditis. Clin Oral Investig 2023; 27:4757-4771. [PMID: 37401984 DOI: 10.1007/s00784-023-05104-0] [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: 08/18/2022] [Accepted: 06/05/2023] [Indexed: 07/05/2023]
Abstract
INTRODUCTION Infective endocarditis (IE) is an inflammatory disease usually caused by bacteria that enter the bloodstream and establish infections in the inner linings or valves of the heart, including blood vessels. Despite the availability of modern antimicrobial and surgical treatments, IE continues to cause substantial morbidity and mortality. Oral microbiota is considered one of the most significant risk factors for IE. The objective of this study was to evaluate the microbiota present in root canal (RC) and periodontal pocket (PP) clinical samples in cases with combined endo-periodontal lesions (EPL) to detect species related to IE using NGS. METHODS Microbial samples were collected from 15 RCs and their associated PPs, also from 05 RCs with vital pulp tissues (negative control, NC). Genomic studies associated with bioinformatics, combined with structuring of a database (genetic sequences of bacteria reported for infective endocarditis), allowed for the assessment of the microbial community at both sites. Functional prediction was conducted using PICRUSt2. RESULTS Parvimonas, Streptococcus, and Enterococcus were the major genera detected in the RCs and PPs. A total of 79, 96, and 11 species were identified in the RCs, PPs, and NCs, respectively. From them, a total of 34 species from RCs, 53 from PPs, and 2 from NCs were related to IE. Functional inference demonstrated that CR and PP microbiological profiles may not be the only risk factors for IE but may also be associated with systemic diseases, including myocarditis, human cytomegalovirus infection, bacterial invasion of epithelial cells, Huntington's disease, amyotrophic lateral sclerosis, and hypertrophic cardiomyopathy. Additionally, it was possible to predict antimicrobial resistance variants for broad-spectrum drugs, including ampicillin, tetracycline, and macrolides. CONCLUSION Microorganisms present in the combined EPL may not be the only risk factor for IE but also for systemic diseases. Antimicrobial resistance variants for broad-spectrum drugs were inferred based on PICRUSt-2. State-of-the-art sequencing combined with bioinformatics has proven to be a powerful tool for conducting studies on microbial communities and could considerably assist in the diagnosis of serious infections. CLINICAL RELEVANCE Few studies have investigated the microbiota in teeth compromised by combined endo-periodontal lesions (EPL), but none have correlated the microbiological findings to any systemic condition, particularly IE, using NGS techniques. In such cases, the presence of apical periodontitis and periodontal disease can increase IE risk in susceptible patients.
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Affiliation(s)
- Brenda P F A Gomes
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil.
| | - Vanessa B Berber
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Vito M Chiarelli-Neto
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Emelly Aveiro
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Rafaela C Chapola
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Maicon R Z Passini
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Erica M Lopes
- Division of Endodontics, Department of Restorative Dentistry, Piracicaba Dental School, State University of Campinas-UNICAMP, Av. Limeira 901, Bairro Areao, Piracicaba, São Paulo, 13414-903, Brazil
| | - Tsute Chen
- Department of Molecular Genetics, The Forsyth Institute, Cambridge, MA, USA
| | - Bruce J Paster
- Microbiology Department, The Forsyth Institute, Cambridge, MA, USA
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10
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Soltani P, Yaghini J, Rafiei K, Mehdizadeh M, Armogida NG, Esposito L, Spagnuolo G. Comparative Evaluation of the Accuracy of Gingival Thickness Measurement by Clinical Evaluation and Intraoral Ultrasonography. J Clin Med 2023; 12:4395. [PMID: 37445430 DOI: 10.3390/jcm12134395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/10/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
This study aimed to investigate the accuracy of gingival thickness measurement by two methods of clinical evaluation and intraoral ultrasonography. The gingival thickness was measured in the midbuccal area of the right maxillary lateral incisor and first molar teeth in 30 individuals. For clinical measurement, a #15 K-file with rubber stops was vertically inserted 2 mm apical to the gingival margin and the length of the file in the tissue was measured using a digital caliper. Ultrasonographic measurement was performed using an intraoral probe on the gingival surface in the midbuccal area, at the entry point of the file. Statistical analysis was performed by paired t-test, correlation coefficient, and receiver operating characteristic (ROC) curve (α = 0.05). In the anterior region, the mean gingival thicknesses using ultrasonography (1.517 ± 0.293 mm) and clinical evaluation (1.610 ± 0.272 mm) were not significantly different (p = 0.434). In the posterior region, the mean gingival thicknesses were significantly different between ultrasonography (1.372 ± 0.442 mm) and clinical evaluation (1.626 ± 0.310 mm) (p = 0.006). The area under ROC curve values for ultrasonographic measurements in the anterior and posterior regions were 0.681 and 0.597, respectively. The use of ultrasonography with an intraoral probe has acceptable accuracy for the determination of gingival thickness, especially for the anterior regions.
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Affiliation(s)
- Parisa Soltani
- Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81745-33871, Iran
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131 Naples, Italy
| | - Jaber Yaghini
- Department of Periodontics, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81745-33871, Iran
| | - Kosar Rafiei
- Student Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81745-33871, Iran
| | - Mojdeh Mehdizadeh
- Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81745-33871, Iran
| | - Niccolò Giuseppe Armogida
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131 Naples, Italy
| | - Luigi Esposito
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131 Naples, Italy
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131 Naples, Italy
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11
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Maier T. Oral Microbiome in Health and Disease: Maintaining a Healthy, Balanced Ecosystem and Reversing Dysbiosis. Microorganisms 2023; 11:1453. [PMID: 37374955 DOI: 10.3390/microorganisms11061453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
The oral microbiome is a complex and dynamic assemblage of microorganisms that normally exist within the mouth, contributing to host health via a number of mechanisms, including exclusion of harmful microbes and immune optimization [...].
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Affiliation(s)
- Tom Maier
- Division of Biomaterial and Biomedical Sciences, Department Oral Rehabilitation and Biosciences, School of Dentistry, Oregon Health and Sciences University, Portland, OR 97201, USA
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12
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Sandstedt J, Vukusic K, Dellgren G, Jeppsson A, Mattsson Hultén L, Rotter Sopasakis V. Metagenomic sequencing of human cardiac tissue reveals Microbial RNA which correlates with Toll-like receptor-associated inflammation in patients with heart disease. Sci Rep 2023; 13:7884. [PMID: 37188775 DOI: 10.1038/s41598-023-35157-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 05/13/2023] [Indexed: 05/17/2023] Open
Abstract
Cardiovascular disease (CVD) is strongly associated with chronic low-grade inflammation, involving activated Toll-like receptors and their downstream cellular machinery. Moreover, CVD and other related inflammatory conditions are associated with infiltration of bacteria and viruses originating from distant body sites. Thus, in this study we aimed to map the presence of microbes in the myocardium of patients with heart disease that we previously found to display upregulated Toll-like receptor signaling. We performed metagenomics analysis of atrial cardiac tissue from patients undergoing coronary artery bypass grafting (CABG) or aortic valve replacement (AVR) and compared with atrial cardiac tissue from organ donors. A total of 119 species of bacteria and seven species of virus were detected in the cardiac tissue. RNA expression of five bacterial species were increased in the patient group of which L. kefiranofaciens correlated positively with cardiac Toll-like receptor-associated inflammation. Interaction network analysis revealed four main gene set clusters involving cell growth and proliferation, Notch signaling, G protein signaling and cell communication in association with L. kefiranofaciens RNA expression. Taken together, intracardial expression of L. kefiranofaciens RNA correlates with pro-inflammatory markers in the diseased cardiac atrium and may have an effect on specific signaling processes important for cell growth, proliferation and cell communication.
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Affiliation(s)
- Joakim Sandstedt
- Department of Clinical Chemistry, Sahlgrenska University Hospital, and Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kristina Vukusic
- Department of Clinical Chemistry, Sahlgrenska University Hospital, and Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Göran Dellgren
- Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anders Jeppsson
- Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lillemor Mattsson Hultén
- Department of Clinical Chemistry, Sahlgrenska University Hospital, and Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Victoria Rotter Sopasakis
- Department of Clinical Chemistry, Sahlgrenska University Hospital, and Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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13
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Rengo C, Valletta A, Liccardo D, Spagnuolo G, Corbi G, De Luca F, Lauria MR, Perrotta A, Rengo G, Ferrara N, Rengo S, Valletta R, Cannavo A. Healthy aging: when periodontal health matters. JOURNAL OF GERONTOLOGY AND GERIATRICS 2023. [DOI: 10.36150/2499-6564-n580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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14
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Kanmodi KK, Amoo BA, Nwafor JN, Nnyanzi LA, Ogbeide ME, Hundeji AA, Adetunji CO. Knowledge and Practices Regarding Oral Hygiene, Cariogenic Diet Intake, and Dental Check-Ups Among Registered Nurses in Nigeria: A Pilot Study. JOURNAL OF HEALTH AND ALLIED SCIENCES NU 2023. [DOI: 10.1055/s-0042-1760439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
Abstract
Objectives To investigate the knowledge and practices of registered nurses in Nigeria concerning oral hygiene, cariogenic diets, and dental check-ups through a pilot study.
Methods This study was an online survey of 129 registered nurses in Nigeria. Data were collected via the WhatsApp social media using an electronic questionnaire (Google form). Data analysis was done using the SPSS version 26 software (IBM Corp, New York, USA).
Results The response and completeness rates of this pilot study were 41.7% (129/311) and 96.9% 9125/129), respectively. The majority (62.2%) of the respondents were females. The majority (89.1%) had average/above average score on basic oral health knowledge; however, there was no significant relationship between their level of basic oral health knowledge and their sociodemographic characteristics (p > 0.05). The majority (66.7%) of the respondents brushed twice daily, 86.8% used a fluoridated toothpaste, and 60.5% changed their toothbrush every 3 months. Furthermore, more than half (55.8%) consumed sugary snack/drink on daily basis, while 55.0% rinsed their mouth with water immediately after taking sugary snack, and only 55.8% did floss their teeth. Among those who flossed their teeth, only 37.5% did it once daily. It is also striking that 26.4% of the respondents had never visited a dentist for a dental check-up.
Conclusion Study findings showed a high level of basic oral health knowledge and a lower level of appropriate oral self-care practices among nurses in Nigeria. However, there is a need for a nationally representative study of nurses in Nigeria to further establish these findings.
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Affiliation(s)
- Kehinde Kazeem Kanmodi
- Cephas Health Research Initiative Inc, Ibadan, Nigeria
- Department of Community Health, Aminu Musa Habib College of Health Science and Technology, Yauri, Nigeria
- School of Health and Life Sciences, Teesside University, Middlesbrough, United Kingdom
- Faculty of Dentistry, University of Puthisastra, Phnom Penh, Cambodia
| | - Babatunde Abiodun Amoo
- Cephas Health Research Initiative Inc, Ibadan, Nigeria
- African Field Epidemiology Network, Abuja, Nigeria
| | - Jacob Njideka Nwafor
- Cephas Health Research Initiative Inc, Ibadan, Nigeria
- Department of Medicine, Nottingham University Hospital NHS Trust, Nottingham, United Kingdom
| | - Lawrence Achilles Nnyanzi
- School of Health and Life Sciences, Teesside University, Middlesbrough, United Kingdom
- School of Public Health, King Ceasar University, Kampala, Uganda
| | - Mike Eghosa Ogbeide
- Cephas Health Research Initiative Inc, Ibadan, Nigeria
- Department of Dental and Maxillofacial Surgery, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
| | - Abdullahi Adamu Hundeji
- Department of Community Health, Aminu Musa Habib College of Health Science and Technology, Yauri, Nigeria
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15
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Cicmil S, Cicmil A, Pavlic V, Krunić J, Sladoje Puhalo D, Bokonjić D, Čolić M. Periodontal Disease in Young Adults as a Risk Factor for Subclinical Atherosclerosis: A Clinical, Biochemical and Immunological Study. J Clin Med 2023; 12:jcm12062197. [PMID: 36983201 PMCID: PMC10051366 DOI: 10.3390/jcm12062197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023] Open
Abstract
Although a strong relationship between periodontal disease (PD) and atherosclerosis was shown in adults, little data are published in younger PD patients. Therefore, this study aimed to investigate and correlate clinical parameters of PD, pro- and immunoregulatory cytokines in gingival crevicular fluid (GCF) and serum, biochemical and hematological parameters associated with atherosclerosis risk, and carotid intima-media thickness (IMT) in our younger study participants (n = 78) (mean age 35.92 ± 3.36 years) who were divided into two equal groups: subjects with and without PD. PD patients had higher values of IMT, hs-CRP, triglycerides, total cholesterol, and LDL; most proinflammatory and Th1/Th17-associated cytokines in GCF; and IL-8, IL-12, IL-18, and IL-17A in serum compared to subjects without PD. These cytokines in GCF positively correlated with most clinical periodontal parameters. Clinical periodontal parameters, TNF-α and IL-8 in GCF and IL-17A, hs-CRP, and LDL in serum, had more significant predictive roles in developing subclinical atherosclerosis (IMT ≥ 0.75 mm) in comparison with other cytokines, fibrinogen, and other lipid status parameters. Hs-CRP correlated better with the proinflammatory cytokines than the parameters of lipid status. Except for serum IL-17A, there was no significant association of clinical and immunological PD parameters with lipid status. Overall, these results suggest that dyslipidemia and PD status seem to be independent risk factors for subclinical atherosclerosis in our younger PD population.
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Affiliation(s)
- Smiljka Cicmil
- Department of Oral Rehabilitation, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
- Correspondence:
| | - Ana Cicmil
- Department of Oral Rehabilitation, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
| | - Verica Pavlic
- Department of Periodontology and Oral Medicine, Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
- Department of Periodontology and Oral Medicine, The Republic of Srpska, Institute of Dentistry, 78000 Banja Luka, Bosnia and Herzegovina
| | - Jelena Krunić
- Department of Dental Pathology, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
| | - Dragana Sladoje Puhalo
- Department of Biochemistry, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
| | - Dejan Bokonjić
- Department of Pediatrics, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
| | - Miodrag Čolić
- Center for Biomedical Sciences, Faculty of Medicine Foca, University of East Sarajevo, 73300 Foca, Bosnia and Herzegovina
- Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia
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16
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Chaudhary DS, Parwani SR, Barkhade S, Gajbhiye M, Parwani R, Sikka G, Kawadkar K, Soni NJ, Armogida NG, Dadlani H, Spagnuolo G. Physiological Gingival Melanin Hyperpigmentation Treatment with Injectable Vitamin C and Scalpel Technique: A Randomised Controlled Clinical Trial. Int J Dent 2023; 2023:4586923. [PMID: 37252615 PMCID: PMC10212675 DOI: 10.1155/2023/4586923] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 10/29/2023] Open
Abstract
Harmony between facial complexion and gingival health goes hand in hand. Gingival depigmentation is an aesthetic correction of hyperactive melanocytes in gingival tissues that lead to hyperpigmentation. Current study compares depigmentation, pain scores, and itching with scalpel technique and nonsurgical intramucosal Vitamin C injection. 30 individuals in the age range of 18-40 years conscious of dark gums were randomly allocated to test and control group by lottery method. Thorough Phase I therapy was performed one week before the procedure. Area and intensity of depigmentation were evaluated preoperatively and postoperatively; pain score, itching, and repigmentation percentage were the postoperative parameters. After 24 hrs, test group showed significantly lesser VAS score for pain as compared to control group. There was no statistically significant difference in preoperative area of pigmentation between the test and control group (p=0.936). Postoperatively also, there was no statistically significant difference in area of pigmentation between the test and control group (p=0.932). For comparing area of pigmentation, an independent t-test was applied and Mann-Whitney test was used for differentiating the intensity of pigmentation, repigmentation, and VAS score between the groups. The study concluded that Vitamin C mesotherapy and scalpel technique showed comparable results in reduction of areas and intensity of gingival hyperpigmentation.
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Affiliation(s)
- Dhanashree S. Chaudhary
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Simran R. Parwani
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Shital Barkhade
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Minal Gajbhiye
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Rajkumar Parwani
- Department of Oral Pathology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Geetanjali Sikka
- Department of Periodontology, Eklavya Dental College & Hospital Kotpulti, Rajasthan 303108, India
| | - Kshipra Kawadkar
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Nishita Jaju Soni
- Department of Periodontology, V.Y.W.S. Dental College and Hospital, Amravati, Maharashtra 444602, India
| | - Niccolò Giuseppe Armogida
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples 80131, Italy
| | - Himanshu Dadlani
- Department of Periodontology, Kalka Dental College, Meerut 250002, India
- Kalka Dental College, Meerut 250016, India
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples 80131, Italy
- Therapeutic Dentistry Department, Institute for Dentistry, Sechenov University, Moscow 119991, Russia
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Neculae E, Gosav EM, Valasciuc E, Dima N, Floria M, Tanase DM. The Oral Microbiota in Valvular Heart Disease: Current Knowledge and Future Directions. LIFE (BASEL, SWITZERLAND) 2023; 13:life13010182. [PMID: 36676130 PMCID: PMC9862471 DOI: 10.3390/life13010182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/31/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
Oral microbiota formation begins from birth, and everything from genetic components to the environment, alongside the host's behavior (such as diet, smoking, oral hygiene, and even physical activity), contributes to oral microbiota structure. Even though recent studies have focused on the gut microbiota's role in systemic diseases, the oral microbiome represents the second largest community of microorganisms, making it a new promising therapeutic target. Periodontitis and dental caries are considered the two main consequences of oral bacterial imbalance. Studies have shown that oral dysbiosis effects are not limited locally. Due to technological advancement, research identified oral bacterial species in heart valves. This evidence links oral dysbiosis with the development of valvular heart disease (VHD). This review focuses on describing the mechanism behind prolonged local inflammation and dysbiosis, that can induce bacteriemia by direct or immune-mediated mechanisms and finally VHD. Additionally, we highlight emerging therapies based on controlling oral dysbiosis, periodontal disease, and inflammation with immunological and systemic effects, that exert beneficial effects in VHD management.
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Affiliation(s)
- Ecaterina Neculae
- Department of Gastroenterology, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Institute of Gastroenterology and Hepatology, “Sf. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
| | - Evelina Maria Gosav
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
| | - Emilia Valasciuc
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
| | - Nicoleta Dima
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
| | - Mariana Floria
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
- Correspondence:
| | - Daniela Maria Tanase
- Department of Internal Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
- Internal Medicine Clinic, “St. Spiridon” County Clinical Emergency Hospital Iasi, 700111 Iasi, Romania
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Abstract
Systemic inflammation has been suggested to have a pivotal role in atherothrombosis, but the factors that trigger systemic inflammation have not been fully elucidated. Lipopolysaccharide (LPS) is a component of the membrane of Gram-negative bacteria present in the gut that can translocate into the systemic circulation, causing non-septic, low-grade endotoxaemia. Gut dysbiosis is a major determinant of low-grade endotoxaemia via dysfunction of the intestinal barrier scaffold, which is a prerequisite for LPS translocation into the systemic circulation. Experimental studies have demonstrated that LPS is present in atherosclerotic arteries but not in normal arteries. In atherosclerotic plaques, LPS promotes a pro-inflammatory status that can lead to plaque instability and thrombus formation. Low-grade endotoxaemia affects several cell types, including leukocytes, platelets and endothelial cells, leading to inflammation and clot formation. Low-grade endotoxaemia has been described in patients at risk of or with overt cardiovascular disease, in whom low-grade endotoxaemia was associated with atherosclerotic burden and its clinical sequelae. In this Review, we describe the mechanisms favouring the development of low-grade endotoxaemia, focusing on gut dysbiosis and changes in gut permeability; the plausible biological mechanisms linking low-grade endotoxaemia and atherothrombosis; the clinical studies suggesting that low-grade endotoxaemia is a risk factor for cardiovascular events; and the potential therapeutic tools to improve gut permeability and eventually eliminate low-grade endotoxaemia.
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19
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Wang DH, Tsai FT, Tu HF, Yang CC, Hsu ML, Huang LJ, Lin CT, Hsu WE, Lin YC. Profiles of oral microbiome associated with nasogastric tube feeding. J Oral Microbiol 2023; 15:2200898. [PMID: 37063979 PMCID: PMC10101675 DOI: 10.1080/20002297.2023.2200898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2023] Open
Abstract
Background Dysbiosis of oral microbiome causes chronic diseases including dental caries and periodontitis, which frequently affect older patient populations. Severely disabled individuals with impaired swallowing functions may require nutritional supply via nasogastric (NG) tubes, further impacting their oral condition and possibly microbial composition. However, little is known about the effect of NG tube on oral microbes and its potential ramification. Methods By using 16S rRNA amplicon sequencing, we characterized the tongue microbiome of 27 patients fed with NG tubes and 26 others fed orally. Results The microbial compositions of NG-tube and oral-feeding patients were substantially different, with more Gram-negative aerobes enriched in the presence of NG tube. Specifically, NG-tube patients presented more opportunistic pathogens like Pseudomonas and Corynebacterium associated with pneumonia and lower levels of commensal Streptococcus and Veillonella. Co-occurrence analysis further showed an inverse relationship between commensal and pathogenic species. Conclusion We present a systematic, high-throughput profiling of oral microbiome with regard to long-term NG tube feeding among the older patient population.
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Affiliation(s)
- Ding-Han Wang
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Fa-Tzu Tsai
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsi-Feng Tu
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Dentistry, National Yang Ming Chiao Tung University Hospital, Yilan County, Taiwan
| | - Cheng-Chieh Yang
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Stomatology, Oral & Maxillofacial Surgery, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ming-Lun Hsu
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Lin-Jack Huang
- Department of Dentistry, National Yang Ming Chiao Tung University Hospital, Yilan County, Taiwan
| | - Chiu-Tzu Lin
- Department of Dentistry, National Yang Ming Chiao Tung University Hospital, Yilan County, Taiwan
| | - Wun-Eng Hsu
- Department of Dentistry, Far Eastern Memorial Hospital, New Taipei, Taiwan
| | - Yu-Cheng Lin
- Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
- CONTACT Yu-Cheng Lin Department of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
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20
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Are Skeletal Muscle Changes during Prolonged Space Flights Similar to Those Experienced by Frail and Sarcopenic Older Adults? LIFE (BASEL, SWITZERLAND) 2022; 12:life12122139. [PMID: 36556504 PMCID: PMC9781047 DOI: 10.3390/life12122139] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Microgravity exposure causes several physiological and psychosocial alterations that challenge astronauts' health during space flight. Notably, many of these changes are mostly related to physical inactivity influencing different functional systems and organ biology, in particular the musculoskeletal system, dramatically resulting in aging-like phenotypes, such as those occurring in older persons on Earth. In this sense, sarcopenia, a syndrome characterized by the loss in muscle mass and strength due to skeletal muscle unloading, is undoubtedly one of the most critical aging-like adverse effects of microgravity and a prevalent problem in the geriatric population, still awaiting effective countermeasures. Therefore, there is an urgent demand to identify clinically relevant biological markers and to underline molecular mechanisms behind these effects that are still poorly understood. From this perspective, a lesson from Geroscience may help tailor interventions to counteract the adverse effects of microgravity. For instance, decades of studies in the field have demonstrated that in the older people, the clinical picture of sarcopenia remarkably overlaps (from a clinical and biological point of view) with that of frailty, primarily when referred to the physical function domain. Based on this premise, here we provide a deeper understanding of the biological mechanisms of sarcopenia and frailty, which in aging are often considered together, and how these converge with those observed in astronauts after space flight.
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21
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Talian I, Laputková G, Schwartzová V. Identification of crucial salivary proteins/genes and pathways involved in pathogenesis of temporomandibular disorders. OPEN CHEM 2022. [DOI: 10.1515/chem-2022-0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Abstract
Temporomandibular disorder (TMD) is a collective term for a group of conditions that lead to impairment of the function of the temporomandibular joint. The proteins/genes and signaling pathways associated with TMD are still poorly understood. The aim of this study was to identify key differentially expressed salivary proteins/genes (DEGs) associated with TMD progression using LC-MS/MS coupled with a bioinformatics approach. The protein–protein interaction network was obtained from the STRING database and the hub genes were identified using Cytoscape including cytoHubba and MCODE plug-ins. In addition, enrichment of gene ontology functions and the Reactome signaling pathway was performed. A total of 140 proteins/genes were differentially expressed. From cluster analysis, a set of 20 hub genes were significantly modulated: ALB, APOA1, B2M, C3, CAT, CLU, CTSD, ENO1, GSN, HBB, HP, HSPA8, LTF, LYZ, MMP9, S100A9, SERPINA1, TF, TPI1, and TXN. Two enriched signaling pathways, glycolysis and gluconeogenesis, and tryptophan signaling pathway involving the hub genes CAT, ENO1, and TPI1 have been identified. The rest of the hub genes were mainly enriched in the innate immune system and antimicrobial peptides signaling pathways. In summary, hub DEGs and the signaling pathways identified here have elucidated the molecular mechanisms of TMD pathogenesis.
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Affiliation(s)
- Ivan Talian
- Department of Medical and Clinical Biophysics, Faculty of Medicine, University of P. J. Šafárik , Košice , 040 11 , Slovak Republic
| | - Galina Laputková
- Department of Medical and Clinical Biophysics, Faculty of Medicine, University of P. J. Šafárik , Košice , 040 11 , Slovak Republic
| | - Vladimíra Schwartzová
- Clinic of Stomatology and Maxillofacial Surgery, Faculty of Medicine, University of P. J. Šafárik and Louis Pasteur University Hospital , Košice , 041 90 , Slovak Republic
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22
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Amato M, Di Spirito F, D’Ambrosio F, Boccia G, Moccia G, De Caro F. Probiotics in Periodontal and Peri-Implant Health Management: Biofilm Control, Dysbiosis Reversal, and Host Modulation. Microorganisms 2022; 10:2289. [PMID: 36422359 PMCID: PMC9694231 DOI: 10.3390/microorganisms10112289] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/10/2022] [Accepted: 11/16/2022] [Indexed: 07/30/2023] Open
Abstract
Periodontitis and peri-implantitis are microbially associated diseases of the tissues supporting the teeth and dental implants that are mediated by host inflammation and eventually lead to tooth and dental implant loss. Given the probiotics' role in biofilm control, dysbiosis reversal, and host modulation, their potential beneficial effects on the improvement of periodontitis and peri-implantitis have been recently investigated. Moreover, probiotics use has also been proposed in periodontal health management in patients undergoing fixed orthodontic therapy. Therefore, the present study aimed to review, considering the periodontal microbiome composition around teeth and dental implants in healthy and pathological conditions, the putative favorable effects of probiotics on gingivitis, periodontitis, and peri-implantitis. The secondary aim of the present narrative review was to synthesize the supporting evidence and proposed protocols for probiotics use as adjuncts in periodontitis and peri-implantitis treatment and the periodontal health management of orthodontic patients with fixed appliances. Contrasting findings from the literature may be due to the different methods, posology, and duration of probiotics prescriptions and due to the heterogeneous biological and clinical measurement methods employed. Thus, no definitive conclusions could be drawn about the effectiveness of probiotics in periodontal management, both in healthy and pathological conditions. Further studies are needed to validate probiotics for periodontal management and provide recommended protocols.
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23
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Aleksijević LH, Aleksijević M, Škrlec I, Šram M, Šram M, Talapko J. Porphyromonas gingivalis Virulence Factors and Clinical Significance in Periodontal Disease and Coronary Artery Diseases. Pathogens 2022; 11:pathogens11101173. [PMID: 36297228 PMCID: PMC9609396 DOI: 10.3390/pathogens11101173] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/27/2022] [Accepted: 10/10/2022] [Indexed: 11/17/2022] Open
Abstract
Porphyromonas gingivalis is a gram-negative, anaerobic bacterium that lives in the oral cavity. It is an integral part of the oral microbiome, which includes more than 500 types of bacteria. Under certain circumstances, as a consequence of virulence factors, it can become very destructive and proliferate to many cells in periodontal lesions. It is one of the causative agents present extremely often in dental plaque and is the main etiological factor in the development of periodontal disease. During various therapeutic procedures, P. gingivalis can enter the blood and disseminate through it to distant organs. This primarily refers to the influence of periodontal agents on the development of subacute endocarditis and can facilitate the development of coronary heart disease, atherosclerosis, and ischemic infarction. The action of P. gingivalis is facilitated by numerous factors of virulence and pathogenicity such as fimbriae, hemolysin, hemagglutinin, capsules, outer membrane vesicles, lipopolysaccharides, and gingipains. A special problem is the possibility of biofilm formation. P. gingivalis in a biofilm is 500 to 1000 times less sensitive to antimicrobial drugs than planktonic cells, which represents a significant problem in the treatment of infections caused by this pathogen.
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Affiliation(s)
- Lorena Horvat Aleksijević
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Correspondence: (L.H.A.); (J.T.)
| | - Marko Aleksijević
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Ivana Škrlec
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Marko Šram
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Miroslav Šram
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Cardiology, Clinical Hospital Center Osijek, 31000 Osijek, Croatia
| | - Jasminka Talapko
- Faculty of Dental Medicine and Health, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Correspondence: (L.H.A.); (J.T.)
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Jahn K, Kohler TP, Swiatek LS, Wiebe S, Hammerschmidt S. Platelets, Bacterial Adhesins and the Pneumococcus. Cells 2022; 11:cells11071121. [PMID: 35406684 PMCID: PMC8997422 DOI: 10.3390/cells11071121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/22/2022] [Accepted: 03/22/2022] [Indexed: 01/25/2023] Open
Abstract
Systemic infections with pathogenic or facultative pathogenic bacteria are associated with activation and aggregation of platelets leading to thrombocytopenia and activation of the clotting system. Bacterial proteins leading to platelet activation and aggregation have been identified, and while platelet receptors are recognized, induced signal transduction cascades are still often unknown. In addition to proteinaceous adhesins, pathogenic bacteria such as Staphylococcus aureus and Streptococcus pneumoniae also produce toxins such as pneumolysin and alpha-hemolysin. They bind to cellular receptors or form pores, which can result in disturbance of physiological functions of platelets. Here, we discuss the bacteria-platelet interplay in the context of adhesin–receptor interactions and platelet-activating bacterial proteins, with a main emphasis on S. aureus and S. pneumoniae. More importantly, we summarize recent findings of how S. aureus toxins and the pore-forming toxin pneumolysin of S. pneumoniae interfere with platelet function. Finally, the relevance of platelet dysfunction due to killing by toxins and potential treatment interventions protecting platelets against cell death are summarized.
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25
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Comparison of antimicrobial and wound-healing effects of silver nanoparticle and chlorhexidine mouthwashes: an in vivo study in rabbits. Odontology 2022; 110:577-583. [PMID: 35218448 PMCID: PMC9170635 DOI: 10.1007/s10266-022-00690-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 02/04/2022] [Indexed: 01/19/2023]
Abstract
The objective is to formulate a silver nanoparticle mouthwash and then evaluate its antimicrobial and wound-healing effects in rabbit animal models. Microbial samples were collected from the oral cavity of 60 rabbits. Thereafter, standardized wounds were created in the lateral border of the tongue on the right side for all rabbits. After surgery, digital photographs were obtained from the wounds with standardized settings. To characterize the silver nanoparticles used in the synthetic mouthwash, transmission electron microscopy (TEM) and digital light scattering analysis were used. The animal models were then randomly divided into 4 groups: group 1 received 9.80 wt% silver nanoparticle mouthwash; group 2 received all the ingredients of the formulated mouthwash except for silver nanoparticles; group 3 received chlorhexidine 2.0% mouthwash; and the negative control group did not receive any postoperative mouthwash. Microbial samples were collected from oral cavity of the rabbits each day for four postoperative days. Colony-forming unit (CFU) counts were compared post-operatively with the pre-operative counts. In addition, standardized digital photographs were taken each day from the wounds and the area of the wounds was compared in postoperative and pre-operative images. Data were statistically analyzed using one-way ANOVA and repeated measures variance analysis (α = 0.05). TEM revealed spherical morphology of silver nanoparticles and digital light scattering showed an average size of 5 nm and optimal distribution of the nanoparticles. CFU count significantly decreased in groups 1 and 3 (P < 0.001), while it significantly increased in groups 2 and 4 (P < 0.001). Moreover, a significant difference was observed between the experimental groups (P < 0.001). In addition, wound area decreased significantly in all groups (P < 0.001). However, the difference between wound areas in the groups was not significant, except for the 4th postoperative day (P < 0.001). However, the antibacterial effects and the wound-healing characteristics of the synthetic silver nanoparticle and chlorhexidine mouthwashes were not significantly different (P > 0.05). Silver nanoparticle mouthwash possesses favorable antibacterial and wound-healing effects. The formulated 9.80 wt% silver nanoparticle mouthwash with a particle size of 5 nm can be a promising alternative for application after oral surgical procedures.
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Fixed Prosthetic Restorations and Periodontal Health: A Narrative Review. J Funct Biomater 2022; 13:jfb13010015. [PMID: 35225978 PMCID: PMC8883934 DOI: 10.3390/jfb13010015] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/26/2022] [Accepted: 01/29/2022] [Indexed: 12/18/2022] Open
Abstract
Periodontal health plays an important role in the longevity of prosthodontic restorations. The issues of comparative assessment of prosthetic constructions are complicated and not fully understood. The aim of this article is to review and present the current knowledge regarding the various technical, clinical, and molecular aspects of different prosthetic biomaterials and highlight the interactions between periodontal health and prosthetic restorations. Articles on periodontal health and fixed dental prostheses were searched using the keywords “zirconium”, “CAD/CAM”, “dental ceramics”, “metal–ceramics”, “margin fit”, “crown”, “fixed dental prostheses”, “periodontium”, and “margin gap” in PubMed/Medline, Scopus, Google Scholar, and Science Direct. Further search criteria included being published in English, and between January 1981 and September 2021. Then, relevant articles were selected, included, and critically analyzed in this review. The margin of discrepancy results in the enhanced accumulation of dental biofilm, microleakage, hypersensitivity, margin discoloration, increased gingival crevicular fluid flow (GCF), recurrent caries, pulp infection and, lastly, periodontal lesion and bone loss, which can lead to the failure of prosthetic treatment. Before starting prosthetic treatment, the condition of the periodontal tissues should be assessed for their oral hygiene status, and gingival and periodontal conditions. Zirconium-based restorations made from computer-aided design and computer-aided manufacturing (CAD/CAM) technology provide better results, in terms of marginal fit, inflammation reduction, maintenance, and the restoration of periodontal health and oral hygiene, compared to constructions made by conventional methods, and from other alloys. Compared to subgingival margins, supragingival margins offer better oral hygiene, which can be maintained and does not lead to secondary caries or periodontal disease.
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27
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Hou J, Tang Y, Chen Y, Chen D. The Role of the Microbiota in Graves' Disease and Graves' Orbitopathy. Front Cell Infect Microbiol 2022; 11:739707. [PMID: 35004341 PMCID: PMC8727912 DOI: 10.3389/fcimb.2021.739707] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 12/01/2021] [Indexed: 02/05/2023] Open
Abstract
Graves' disease (GD) is a clinical syndrome with an enlarged and overactive thyroid gland, an accelerated heart rate, Graves' orbitopathy (GO), and pretibial myxedema (PTM). GO is the most common extrathyroidal complication of GD. GD/GO has a significant negative impact on the quality of life. GD is the most common systemic autoimmune disorder, mediated by autoantibodies to the thyroid-stimulating hormone receptor (TSHR). It is generally accepted that GD/GO results from complex interactions between genetic and environmental factors that lead to the loss of immune tolerance to thyroid antigens. However, the exact mechanism is still elusive. Systematic investigations into GD/GO animal models and clinical patients have provided important new insight into these disorders during the past 4 years. These studies suggested that gut microbiota may play an essential role in the pathogenesis of GD/GO. Antibiotic vancomycin can reduce disease severity, but fecal material transfer (FMT) from GD/GO patients exaggerates the disease in GD/GO mouse models. There are significant differences in microbiota composition between GD/GO patients and healthy controls. Lactobacillus, Prevotella, and Veillonella often increase in GD patients. The commonly used therapeutic agents for GD/GO can also affect the gut microbiota. Antigenic mimicry and the imbalance of T helper 17 cells (Th17)/regulatory T cells (Tregs) are the primary mechanisms proposed for dysbiosis in GD/GO. Interventions including antibiotics, probiotics, and diet modification that modulate the gut microbiota have been actively investigated in preclinical models and, to some extent, in clinical settings, such as probiotics (Bifidobacterium longum) and selenium supplements. Future studies will reveal molecular pathways linking gut and thyroid functions and how they impact orbital autoimmunity. Microbiota-targeting therapeutics will likely be an essential strategy in managing GD/GO in the coming years.
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Affiliation(s)
- Jueyu Hou
- The Research Laboratory of Ophthalmology and Vision Sciences, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.,The Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China
| | - Yunjing Tang
- The Research Laboratory of Ophthalmology and Vision Sciences, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.,The Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China
| | - Yongjiang Chen
- The School of Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada
| | - Danian Chen
- The Research Laboratory of Ophthalmology and Vision Sciences, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China.,The Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China
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28
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Abstract
Tissue engineering or tissue reconstruction/repair/regeneration may be considered as a guiding strategy in oral and maxillofacial surgery, as well as in endodontics, orthodontics, periodontics, and daily clinical practice. A wide range of techniques has been developed over the past years, from tissue grafts to the more recent and innovative regenerative procedures. Continuous research in the field of natural and artificial materials and biomaterials, as well as in advanced scaffold design strategies has been carried out. The focus has also been on various growth factors involved in dental tissue repair or reconstruction. Benefiting from the recent literature, this review paper illustrates current innovative strategies and technological approaches in oral and maxillofacial tissue engineering, trying to offer some information regarding the available scientific data and practical applications. After introducing tissue engineering aspects, an overview on additive manufacturing technologies will be provided, with a focus on the applications of superparamagnetic iron oxide nanoparticles in the biomedical field. The potential applications of magnetic fields and magnetic devices on the acceleration of orthodontic tooth movement will be analysed.
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29
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Di Carluccio C, Forgione RE, Bosso A, Yokoyama S, Manabe Y, Pizzo E, Molinaro A, Fukase K, Fragai M, Bensing BA, Marchetti R, Silipo A. Molecular recognition of sialoglycans by streptococcal Siglec-like adhesins: toward the shape of specific inhibitors. RSC Chem Biol 2021; 2:1618-1630. [PMID: 34977577 PMCID: PMC8637897 DOI: 10.1039/d1cb00173f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/14/2021] [Indexed: 01/16/2023] Open
Abstract
Streptococcus gordonii and Streptococcus sanguinis, commensal bacteria present in the oral cavity of healthy individuals, upon entry into the bloodstream can become pathogenic, causing infective endocarditis (IE). Sialic acid-binding serine-rich repeat adhesins on the microbial surface represent an important factor of successful infection to cause IE. They contain Siglec-like binding regions (SLBRs) that variously recognize different repertoires of O-glycans, with some strains displaying high selectivity and others broader specificity. We here dissect at an atomic level the mechanism of interaction of SLBR-B and SLBR-H from S. gordonii with a multivarious approach that combines NMR spectroscopy and computational and biophysical studies. The binding pockets of both SLBRs are broad enough to accommodate extensive interactions with sialoglycans although with key differences related to strain specificity. Furthermore, and significantly, the pattern of interactions established by the SLBRs are mechanistically very different from those reported for mammalian Siglecs despite them having a similar fold. Thus, our detailed description of the binding modes of streptococcal Siglec-like adhesins sparks the development of tailored synthetic inhibitors and therapeutics specific for Streptococcal adhesins to counteract IE, without impairing the interplay between Siglecs and glycans. We here present a detailed molecular description of sialoglycans recognition by Siglec-like adhesins from S. gordonii opening the venue for the design of specific inhibitors to influence the propensity of streptococci to cause infective endocarditis.![]()
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Affiliation(s)
- Cristina Di Carluccio
- Department of Chemical Sciences, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
| | - Rosa Ester Forgione
- Department of Chemical Sciences, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
| | - Andrea Bosso
- Department of Biology, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
| | - Shinji Yokoyama
- Department of Chemistry, Graduate School of Science, Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Yoshiyuki Manabe
- Department of Chemistry, Graduate School of Science, Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Elio Pizzo
- Department of Biology, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
| | - Antonio Molinaro
- Department of Chemical Sciences, University of Naples Federico II Via Cinthia 4 80126 Naples Italy .,Department of Chemistry, Graduate School of Science, Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Koichi Fukase
- Department of Chemistry, Graduate School of Science, Osaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
| | - Marco Fragai
- Magnetic Resonance Center (CERM), University of Florence, and Consorzio Interuniversitario Risonanze Magnetiche di Metallo Proteine (CIRMMP) Via L. Sacconi 6 50019 Sesto Fiorentino Italy.,Department of Chemistry "Ugo Schiff", University of Florence Via della Lastruccia 3-13 50019 Sesto Fiorentino Italy
| | - Barbara A Bensing
- Division of Infectious Diseases, Veterans Affairs Medical Center, Department of Medicine, University of California San Francisco California 94121 USA.,Northern California Institute for Research and Education San Francisco California 94121 USA
| | - Roberta Marchetti
- Department of Chemical Sciences, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
| | - Alba Silipo
- Department of Chemical Sciences, University of Naples Federico II Via Cinthia 4 80126 Naples Italy
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30
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Winning L, Lundy FT, Blackwood B, McAuley DF, El Karim I. Oral health care for the critically ill: a narrative review. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2021; 25:353. [PMID: 34598718 PMCID: PMC8485109 DOI: 10.1186/s13054-021-03765-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/11/2021] [Indexed: 12/13/2022]
Abstract
Background The link between oral bacteria and respiratory infections is well documented. Dental plaque has the potential to be colonized by respiratory pathogens and this, together with microaspiration of oral bacteria, can lead to pneumonia particularly in the elderly and critically ill. The provision of adequate oral care is therefore essential for the maintenance of good oral health and the prevention of respiratory complications. Main body Numerous oral
care practices are utilised for intubated patients, with a clear lack of consensus on the best approach for oral care. This narrative review aims to explore the oral-lung connection and discuss in detail current oral care practices to identify shortcomings and offer suggestions for future research. The importance of adequate oral care has been recognised in guideline interventions for the prevention of pneumonia, but practices differ and controversy exists particularly regarding the use of chlorhexidine. The oral health assessment is also an important but often overlooked element of oral care that needs to be considered. Oral care plans should ideally be implemented on the basis of an individual oral health assessment. An oral health assessment prior to provision of oral care should identify patient needs and facilitate targeted oral care interventions. Conclusion Oral health is an important consideration in the management of the critically ill. Studies have suggested benefit in the reduction of respiratory complication such as Ventilator Associated Pneumonia associated with effective oral health care practices. However, at present there is no consensus as to the best way of providing optimal oral health care in the critically ill. Further research is needed to standardise oral health assessment and care practices to enable development of evidenced based personalised oral care for the critically ill.
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Affiliation(s)
- Lewis Winning
- Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Fionnuala T Lundy
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, The Wellcome-Wolfson Building, 97 Lisburn Road, Belfast, BT9 7AE, Northern Ireland, UK
| | - Bronagh Blackwood
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, The Wellcome-Wolfson Building, 97 Lisburn Road, Belfast, BT9 7AE, Northern Ireland, UK
| | - Daniel F McAuley
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, The Wellcome-Wolfson Building, 97 Lisburn Road, Belfast, BT9 7AE, Northern Ireland, UK
| | - Ikhlas El Karim
- Centre for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, The Wellcome-Wolfson Building, 97 Lisburn Road, Belfast, BT9 7AE, Northern Ireland, UK.
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