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Ahmad P, Hussain A, Siqueira WL. Mass spectrometry-based proteomic approaches for salivary protein biomarkers discovery and dental caries diagnosis: A critical review. MASS SPECTROMETRY REVIEWS 2024; 43:826-856. [PMID: 36444686 DOI: 10.1002/mas.21822] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Dental caries is a multifactorial chronic disease resulting from the intricate interplay among acid-generating bacteria, fermentable carbohydrates, and several host factors such as saliva. Saliva comprises several proteins which could be utilized as biomarkers for caries prevention, diagnosis, and prognosis. Mass spectrometry-based salivary proteomics approaches, owing to their sensitivity, provide the opportunity to investigate and unveil crucial cariogenic pathogen activity and host indicators and may demonstrate clinically relevant biomarkers to improve caries diagnosis and management. The present review outlines the published literature of human clinical proteomics investigations on caries and extensively elucidates frequently reported salivary proteins as biomarkers. This review also discusses important aspects while designing an experimental proteomics workflow. The protein-protein interactions and the clinical relevance of salivary proteins as biomarkers for caries, together with uninvestigated domains of the discipline are also discussed critically.
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Affiliation(s)
- Paras Ahmad
- College of Dentistry, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Ahmed Hussain
- College of Dentistry, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Walter L Siqueira
- College of Dentistry, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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2
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Seredin P, Litvinova T, Ippolitov Y, Goloshchapov D, Peshkov Y, Kashkarov V, Ippolitov I, Chae B. A Study of the Association between Primary Oral Pathologies (Dental Caries and Periodontal Diseases) Using Synchrotron Molecular FTIR Spectroscopy in View of the Patient's Personalized Clinical Picture (Demographics and Anamnesis). Int J Mol Sci 2024; 25:6395. [PMID: 38928102 PMCID: PMC11204202 DOI: 10.3390/ijms25126395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/15/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
In this exploratory study, we searched for associations between the two most common diseases of the oral cavity-dental caries and periodontal diseases-taking into account additional factors, such as personalized clinical pictures (the individual risk factors of the patient), based on the method of a multivariate data analysis of the molecular changes in the composition of human gingival crevicular fluid (GCF). For this purpose, a set of synchrotron Fourier-transform infrared spectroscopy (FTIR) spectra of gingival crevicular fluid samples from patients with different demographics, levels of dental caries development and periodontal diseases, and the presence/absence of concomitant chronic diseases were obtained and analyzed. Using a set of techniques (v-, F-, Chi-square tests; a principal component analysis (PCA); and the hierarchical clustering of principal components (HCPCs)) implemented in the R package FactoMineR allowed us to assess the relationship between the principal components (PCs) and characteristics of the respondents. By identifying the features (vibrational modes in the FTIR spectra) that contribute most to the differentiation of the spectral dataset, and by taking into account the interrelationships between the patients' characteristics, we were able to match specific biological markers (specific molecular groups) to the two factors of interest-two types of oral pathologies. The results obtained show that the observed changes in the quantitative and qualitative composition of the modes in the infrared (IR) spectra of the GCF samples from patients with different dental caries developments and periodontal diseases present confirm the difficulty of identifying patient-specific spectral information. At the same time, different periodontal pathologies are more closely associated with other characteristics of the patients than the level of their caries development. The multivariate analysis performed on the spectral dataset indicates the need to take into account not only the co-occurrence of oral diseases, but also some other factors. The lack of this consideration (typical in lots of studies in this area) may lead to misinterpretations and consequently to a loss of data when searching for biological markers of certain oral diseases.
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Affiliation(s)
- Pavel Seredin
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
| | - Tatiana Litvinova
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
- Psycholinguistic Textual Modelling Lab, Voronezh State Pedagogical University, 394043 Voronezh, Russia
| | - Yuri Ippolitov
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
- Department of Pediatric Dentistry with Orthodontia, Voronezh State Medical University, 394006 Voronezh, Russia
| | - Dmitry Goloshchapov
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
| | - Yaroslav Peshkov
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
| | - Vladimir Kashkarov
- Department of Solid-State Physics and Nanostructures, Voronezh State University, 394018 Voronezh, Russia; (T.L.)
| | - Ivan Ippolitov
- Department of Pediatric Dentistry with Orthodontia, Voronezh State Medical University, 394006 Voronezh, Russia
| | - Boknam Chae
- Pohang Accelerator Laboratory, Beamline Research Division, Pohang 37673, Republic of Korea
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Ye J, Zhang F, Luo Z, Ou X. Comparative salivary proteomics analysis of children with and without early childhood caries using the DIA approach: A pilot study. Proteomics Clin Appl 2024:e2400006. [PMID: 38769866 DOI: 10.1002/prca.202400006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/01/2024] [Accepted: 04/17/2024] [Indexed: 05/22/2024]
Abstract
OBJECTIVE To screen differentially expressed proteins (DEPs) in the saliva of Early childhood caries (ECC) with different degrees of severity. METHODS The proteomic profiles of salivary of children with ECC of varying severity by data independent acquisition data independent acquisition (DIA) technique. A total of 12 preschool children aged 3-5 years were included in this study. RESULTS In this study, a total of 15,083 peptides and 1944 proteins were quantified; The results of DEPs screening showed that 34 DEPs were identified between the group H and the group LC, including 18 up-regulated proteins and 16 down-regulated proteins; 34 DEPs were screened between the group H and the group HC, including 17 up-regulated proteins and 17 down-regulated proteins; 42 DEPs were screened between the group LC and the group HC, including 18 up-regulated proteins and 24 down-regulated proteins. Among these DEPs, we screened several key proteins that may play a role in ECC, such as MK, histone H4, TGFβ3, ZG16B, MUC20, and SMR-3B. CONCLUSION Salivary proteins, as important host factors of caries, are differentially expressed between the saliva of ECC children and healthy children. Specific DEPs are expected to become potential biomarkers for the diagnosis of ECC.
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Affiliation(s)
- Jinxiang Ye
- The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University & Jiangxi Province Key Laboratory of Oral Biomedicine & Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang, Jiangxi, China
| | - Fangfang Zhang
- The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University & Jiangxi Province Key Laboratory of Oral Biomedicine & Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang, Jiangxi, China
| | - Zhouyuan Luo
- The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University & Jiangxi Province Key Laboratory of Oral Biomedicine & Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang, Jiangxi, China
| | - Xiaoyan Ou
- The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University & Jiangxi Province Key Laboratory of Oral Biomedicine & Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang, Jiangxi, China
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4
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Nebauer DJ, Pearson LA, Neilan BA. Critical steps in an environmental metaproteomics workflow. Environ Microbiol 2024; 26:e16637. [PMID: 38760994 DOI: 10.1111/1462-2920.16637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/30/2024] [Indexed: 05/20/2024]
Abstract
Environmental metaproteomics is a rapidly advancing field that provides insights into the structure, dynamics, and metabolic activity of microbial communities. As the field is still maturing, it lacks consistent workflows, making it challenging for non-expert researchers to navigate. This review aims to introduce the workflow of environmental metaproteomics. It outlines the standard practices for sample collection, processing, and analysis, and offers strategies to overcome the unique challenges presented by common environmental matrices such as soil, freshwater, marine environments, biofilms, sludge, and symbionts. The review also highlights the bottlenecks in data analysis that are specific to metaproteomics samples and provides suggestions for researchers to obtain high-quality datasets. It includes recent benchmarking studies and descriptions of software packages specifically built for metaproteomics analysis. The article is written without assuming the reader's familiarity with single-organism proteomic workflows, making it accessible to those new to proteomics or mass spectrometry in general. This primer for environmental metaproteomics aims to improve accessibility to this exciting technology and empower researchers to tackle challenging and ambitious research questions. While it is primarily a resource for those new to the field, it should also be useful for established researchers looking to streamline or troubleshoot their metaproteomics experiments.
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Affiliation(s)
- Daniel J Nebauer
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales, Australia
- Centre of Excellence in Synthetic Biology, Australian Research Council, Sydney, New South Wales, Australia
| | - Leanne A Pearson
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales, Australia
- Centre of Excellence in Synthetic Biology, Australian Research Council, Sydney, New South Wales, Australia
| | - Brett A Neilan
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales, Australia
- Centre of Excellence in Synthetic Biology, Australian Research Council, Sydney, New South Wales, Australia
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Silbereisen A, Bao K, Wolski W, Nanni P, Kunz L, Afacan B, Emingil G, Bostanci N. Probing the salivary proteome for prognostic biomarkers in response to non-surgical periodontal therapy. J Clin Periodontol 2024. [PMID: 38660744 DOI: 10.1111/jcpe.13990] [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: 11/09/2023] [Revised: 03/04/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024]
Abstract
AIM This prospective study investigated the salivary proteome before and after periodontal therapy. MATERIALS AND METHODS Ten systemically healthy, non-smoking, stage III, grade C periodontitis patients underwent non-surgical periodontal treatment. Full-mouth periodontal parameters were measured, and saliva (n = 30) collected pre- (T0), and one (T1) and six (T6) months post-treatment. The proteome was investigated by label-free quantitative proteomics. Protein expression changes were modelled over time, with significant protein regulation considered at false discovery rate <0.05. RESULTS Treatment significantly reduced bleeding scores, percentages of sites with pocket depth ≥5 mm, plaque and gingival indexes. One thousand seven hundred and thirteen proteins were identified and 838 proteins (human = 757, bacterial = 81) quantified (≥2 peptides). At T1, 80 (T1 vs. T0: 60↑:20↓), and at T6, 118 human proteins (T6 vs. T0: 67↑:51↓) were regulated. The salivary proteome at T6 versus T1 remained stable. Highest protein activity post- versus pre-treatment was observed for cellular movement and inflammatory response. The small proline-rich protein 3 (T1 vs. T0: 5.4-fold↑) and lymphocyte-specific protein 1 (T6 vs. T0: 4.6-fold↓) were the top regulated human proteins. Proteins from Neisseria mucosa and Treponema socranskii (T1 vs. T0: 8.0-fold↓, 4.9-fold↓) were down-regulated. CONCLUSIONS Periodontal treatment reduced clinical disease parameters and these changes were reflected in the salivary proteome. This underscores the potential of utilizing saliva biomarkers as prognostic tools for monitoring treatment outcomes.
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Affiliation(s)
- Angelika Silbereisen
- Division of Oral Health and Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Kai Bao
- Division of Oral Health and Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Witold Wolski
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Paolo Nanni
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Laura Kunz
- Functional Genomics Center Zurich, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Beral Afacan
- Department of Periodontology, Faculty of Dentistry, Adnan Menderes University, Aydın, Turkey
| | - Gülnur Emingil
- Department of Periodontology, School of Dentistry, Ege University, İzmir, Turkey
| | - Nagihan Bostanci
- Division of Oral Health and Periodontology, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
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Mattos-Graner RO, Klein MI, Alves LA. The complement system as a key modulator of the oral microbiome in health and disease. Crit Rev Microbiol 2024; 50:138-167. [PMID: 36622855 DOI: 10.1080/1040841x.2022.2163614] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/10/2023]
Abstract
In this review, we address the interplay between the complement system and host microbiomes in health and disease, focussing on oral bacteria known to contribute to homeostasis or to promote dysbiosis associated with dental caries and periodontal diseases. Host proteins modulating complement activities in the oral environment and expression profiles of complement proteins in oral tissues were described. In addition, we highlight a sub-set of bacterial proteins involved in complement evasion and/or dysregulation previously characterized in pathogenic species (or strains), but further conserved among prototypical commensal species of the oral microbiome. Potential roles of these proteins in host-microbiome homeostasis and in the emergence of commensal strain lineages with increased virulence were also addressed. Finally, we provide examples of how commensal bacteria might exploit the complement system in competitive or cooperative interactions within the complex microbial communities of oral biofilms. These issues highlight the need for studies investigating the effects of the complement system on bacterial behaviour and competitiveness during their complex interactions within oral and extra-oral host sites.
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Affiliation(s)
- Renata O Mattos-Graner
- Department of Oral Diagnosis, Piracicaba Dental School, State University of Campinas (UNICAMP), Sao Paulo, Brazil
| | - Marlise I Klein
- Department of Oral Diagnosis, Piracicaba Dental School, State University of Campinas (UNICAMP), Sao Paulo, Brazil
| | - Lívia Araújo Alves
- Department of Oral Diagnosis, Piracicaba Dental School, State University of Campinas (UNICAMP), Sao Paulo, Brazil
- School of Dentistry, Cruzeiro do Sul University (UNICSUL), Sao Paulo, Brazil
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Lin Y, Liang X, Li Z, Gong T, Ren B, Li Y, Peng X. Omics for deciphering oral microecology. Int J Oral Sci 2024; 16:2. [PMID: 38195684 PMCID: PMC10776764 DOI: 10.1038/s41368-023-00264-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/03/2023] [Accepted: 11/27/2023] [Indexed: 01/11/2024] Open
Abstract
The human oral microbiome harbors one of the most diverse microbial communities in the human body, playing critical roles in oral and systemic health. Recent technological innovations are propelling the characterization and manipulation of oral microbiota. High-throughput sequencing enables comprehensive taxonomic and functional profiling of oral microbiomes. New long-read platforms improve genome assembly from complex samples. Single-cell genomics provides insights into uncultured taxa. Advanced imaging modalities including fluorescence, mass spectrometry, and Raman spectroscopy have enabled the visualization of the spatial organization and interactions of oral microbes with increasing resolution. Fluorescence techniques link phylogenetic identity with localization. Mass spectrometry imaging reveals metabolic niches and activities while Raman spectroscopy generates rapid biomolecular fingerprints for classification. Culturomics facilitates the isolation and cultivation of novel fastidious oral taxa using high-throughput approaches. Ongoing integration of these technologies holds the promise of transforming our understanding of oral microbiome assembly, gene expression, metabolites, microenvironments, virulence mechanisms, and microbe-host interfaces in the context of health and disease. However, significant knowledge gaps persist regarding community origins, developmental trajectories, homeostasis versus dysbiosis triggers, functional biomarkers, and strategies to deliberately reshape the oral microbiome for therapeutic benefit. The convergence of sequencing, imaging, cultureomics, synthetic systems, and biomimetic models will provide unprecedented insights into the oral microbiome and offer opportunities to predict, prevent, diagnose, and treat associated oral diseases.
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Affiliation(s)
- Yongwang Lin
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaoyue Liang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhengyi Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Tao Gong
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Biao Ren
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuqing Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xian Peng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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8
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Verscheure E, Stierum R, Schlünssen V, Lund Würtz AM, Vanneste D, Kogevinas M, Harding BN, Broberg K, Zienolddiny-Narui S, Erdem JS, Das MK, Makris KC, Konstantinou C, Andrianou X, Dekkers S, Morris L, Pronk A, Godderis L, Ghosh M. Characterization of the internal working-life exposome using minimally and non-invasive sampling methods - a narrative review. ENVIRONMENTAL RESEARCH 2023; 238:117001. [PMID: 37683788 DOI: 10.1016/j.envres.2023.117001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023]
Abstract
During recent years, we are moving away from the 'one exposure, one disease'-approach in occupational settings and towards a more comprehensive approach, taking into account the totality of exposures during a life course by using an exposome approach. Taking an exposome approach however is accompanied by many challenges, one of which, for example, relates to the collection of biological samples. Methods used for sample collection in occupational exposome studies should ideally be minimally invasive, while at the same time sensitive, and enable meaningful repeated sampling in a large population and over a longer time period. This might be hampered in specific situations e.g., people working in remote areas, during pandemics or with flexible work hours. In these situations, using self-sampling techniques might offer a solution. Therefore, our aim was to identify existing self-sampling techniques and to evaluate the applicability of these techniques in an occupational exposome context by conducting a literature review. We here present an overview of current self-sampling methodologies used to characterize the internal exposome. In addition, the use of different biological matrices was evaluated and subdivided based on their level of invasiveness and applicability in an occupational exposome context. In conclusion, this review and the overview of self-sampling techniques presented herein can serve as a guide in the design of future (occupational) exposome studies while circumventing sample collection challenges associated with exposome studies.
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Affiliation(s)
- Eline Verscheure
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Rob Stierum
- Netherlands Organisation for Applied Scientific Research TNO, Risk Analysis for Products in Development, Utrecht, the Netherlands
| | - Vivi Schlünssen
- Department of Public Health, Research unit for Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark
| | - Anne Mette Lund Würtz
- Department of Public Health, Research unit for Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark
| | - Dorian Vanneste
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Manolis Kogevinas
- Environment and Health over the Lifecourse Program, ISGlobal, Barcelona, Spain
| | - Barbara N Harding
- Environment and Health over the Lifecourse Program, ISGlobal, Barcelona, Spain
| | - Karin Broberg
- Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | | | - Mrinal K Das
- National Institute of Occupational Health, Oslo, Norway
| | - Konstantinos C Makris
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol, Cyprus
| | - Corina Konstantinou
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol, Cyprus
| | - Xanthi Andrianou
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol, Cyprus
| | - Susan Dekkers
- Netherlands Organisation for Applied Scientific Research TNO, Risk Analysis for Products in Development, Utrecht, the Netherlands
| | | | - Anjoeka Pronk
- Netherlands Organisation for Applied Scientific Research TNO, Risk Analysis for Products in Development, Utrecht, the Netherlands
| | - Lode Godderis
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, Leuven, Belgium; Idewe, External Service for Prevention and Protection at work, Heverlee, Belgium.
| | - Manosij Ghosh
- Department of Public Health and Primary Care, Centre for Environment and Health, Katholieke Universiteit Leuven, Leuven, Belgium.
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Delrue C, De Bruyne S, Speeckaert MM. Unlocking the Diagnostic Potential of Saliva: A Comprehensive Review of Infrared Spectroscopy and Its Applications in Salivary Analysis. J Pers Med 2023; 13:907. [PMID: 37373896 DOI: 10.3390/jpm13060907] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Infrared (IR) spectroscopy is a noninvasive and rapid analytical technique that provides information on the chemical composition, structure, and conformation of biomolecules in saliva. This technique has been widely used to analyze salivary biomolecules, owing to its label-free advantages. Saliva contains a complex mixture of biomolecules including water, electrolytes, lipids, carbohydrates, proteins, and nucleic acids which are potential biomarkers for several diseases. IR spectroscopy has shown great promise for the diagnosis and monitoring of diseases such as dental caries, periodontitis, infectious diseases, cancer, diabetes mellitus, and chronic kidney disease, as well as for drug monitoring. Recent advancements in IR spectroscopy, such as Fourier-transform infrared (FTIR) spectroscopy and attenuated total reflectance (ATR) spectroscopy, have further enhanced its utility in salivary analysis. FTIR spectroscopy enables the collection of a complete IR spectrum of the sample, whereas ATR spectroscopy enables the analysis of samples in their native form, without the need for sample preparation. With the development of standardized protocols for sample collection and analysis and further advancements in IR spectroscopy, the potential for salivary diagnostics using IR spectroscopy is vast.
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Affiliation(s)
- Charlotte Delrue
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Sander De Bruyne
- Department of Clinical Biology, Ghent University Hospital, 9000 Ghent, Belgium
| | - Marijn M Speeckaert
- Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium
- Research Foundation-Flanders (FWO), 1000 Brussels, Belgium
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10
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Oliveira BP, Buzalaf MAR, Silva NC, Ventura TMO, Toniolo J, Rodrigues JA. Saliva proteomic profile of early childhood caries and caries-free children. Acta Odontol Scand 2023; 81:216-226. [PMID: 36063428 DOI: 10.1080/00016357.2022.2118165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
OBJECTIVE Saliva plays an important antimicrobial role and it is related to the pathogenesis of early childhood caries (ECC). The aim of this study was to compare the proteomic profile of unstimulated saliva of children aged 3-5 years who had ECC and caries-free (CF) children. MATERIALS AND METHODS After the saliva collection from 20 children (ECC: n = 10; CF: n = 10), the samples were processed for proteomic analysis on a mass spectrometer. RESULTS 1638 proteins were identified, of which 355 were present in both groups. A total of 579 proteins were exclusively identified in the CF group and included Leucine-rich alpha-2-glycoprotein, Protein S100-A5, Protein S100-A8 and Mucin-2. Moreover, 704 proteins were exclusively identified in the ECC group, including Enamelin. The differential expression analysis revealed that 112 proteins were up-regulated in the CF group. Among these proteins, we highlighted Hemoglobin subunit gamma-1 (343-fold increase), gamma-2 (336-fold increase) and alpha (40-fold increase). CONCLUSIONS The proteomic profile of the saliva varied substantially between the groups. Hemoglobin subunit gamma-1, gamma-2 and alpha may play a protective role in children with ECC. These proteins should be evaluated in future studies, because they may be possible good candidates to be included in anti-caries dental products.
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Affiliation(s)
- Bethania Paludo Oliveira
- Department of Surgery and Orthopedics, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Natália Caldeira Silva
- Department of Surgery and Orthopedics, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Júlia Toniolo
- Department of Surgery and Orthopedics, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jonas Almeida Rodrigues
- Department of Surgery and Orthopedics, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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11
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Brewer RC, Lanz TV, Hale CR, Sepich-Poore GD, Martino C, Swafford AD, Carroll TS, Kongpachith S, Blum LK, Elliott SE, Blachere NE, Parveen S, Fak J, Yao V, Troyanskaya O, Frank MO, Bloom MS, Jahanbani S, Gomez AM, Iyer R, Ramadoss NS, Sharpe O, Chandrasekaran S, Kelmenson LB, Wang Q, Wong H, Torres HL, Wiesen M, Graves DT, Deane KD, Holers VM, Knight R, Darnell RB, Robinson WH, Orange DE. Oral mucosal breaks trigger anti-citrullinated bacterial and human protein antibody responses in rheumatoid arthritis. Sci Transl Med 2023; 15:eabq8476. [PMID: 36812347 PMCID: PMC10496947 DOI: 10.1126/scitranslmed.abq8476] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 02/02/2023] [Indexed: 02/24/2023]
Abstract
Periodontal disease is more common in individuals with rheumatoid arthritis (RA) who have detectable anti-citrullinated protein antibodies (ACPAs), implicating oral mucosal inflammation in RA pathogenesis. Here, we performed paired analysis of human and bacterial transcriptomics in longitudinal blood samples from RA patients. We found that patients with RA and periodontal disease experienced repeated oral bacteremias associated with transcriptional signatures of ISG15+HLADRhi and CD48highS100A2pos monocytes, recently identified in inflamed RA synovia and blood of those with RA flares. The oral bacteria observed transiently in blood were broadly citrullinated in the mouth, and their in situ citrullinated epitopes were targeted by extensively somatically hypermutated ACPAs encoded by RA blood plasmablasts. Together, these results suggest that (i) periodontal disease results in repeated breaches of the oral mucosa that release citrullinated oral bacteria into circulation, which (ii) activate inflammatory monocyte subsets that are observed in inflamed RA synovia and blood of RA patients with flares and (iii) activate ACPA B cells, thereby promoting affinity maturation and epitope spreading to citrullinated human antigens.
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Affiliation(s)
- R. Camille Brewer
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Tobias V. Lanz
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
- Department of Neurology, Medical Faculty Mannheim, University of Heidelberg, Mannheim, 68167, Germany
| | - Caryn R. Hale
- Rockefeller University, New York City, NY 10065, USA
| | | | - Cameron Martino
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Bioinformatics and Systems Biology Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Austin D. Swafford
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
| | - Thomas S. Carroll
- Bioinformatics Resource Center, Rockefeller University, 1230 York Ave., New York, NY 10065, USA
| | - Sarah Kongpachith
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Lisa K. Blum
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Serra E. Elliott
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Nathalie E. Blachere
- Rockefeller University, New York City, NY 10065, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | | | - John Fak
- Rockefeller University, New York City, NY 10065, USA
| | - Vicky Yao
- Department of Computer Science, Rice University, Houston, TX 77005, USA
- Department of Computer Science, Princeton University, Princeton, NJ, 08544, USA
| | - Olga Troyanskaya
- Department of Computer Science, Princeton University, Princeton, NJ, 08544, USA
- Lewis-Sigler Institute of Integrative Genomics, Princeton University, Princeton, NJ, 08544, USA
- Flatiron Institute, Simons Foundation, New York, NY, 10010, USA
| | - Mayu O. Frank
- Rockefeller University, New York City, NY 10065, USA
| | - Michelle S. Bloom
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Shaghayegh Jahanbani
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Alejandro M. Gomez
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Radhika Iyer
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Nitya S. Ramadoss
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Orr Sharpe
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | | | - Lindsay B. Kelmenson
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - Qian Wang
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Heidi Wong
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | | | - Mark Wiesen
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Dana T. Graves
- Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kevin D. Deane
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - V. Michael Holers
- Division of Rheumatology, University of Colorado - Denver, Aurora, CO, 80045, USA
| | - Rob Knight
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
- Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA
| | - Robert B. Darnell
- Rockefeller University, New York City, NY 10065, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
| | - William H. Robinson
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Dana E. Orange
- Rockefeller University, New York City, NY 10065, USA
- Hospital for Special Surgery, New York City, NY 10075, USA
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12
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Belibasakis GN, Belstrøm D, Eick S, Gursoy UK, Johansson A, Könönen E. Periodontal microbiology and microbial etiology of periodontal diseases: Historical concepts and contemporary perspectives. Periodontol 2000 2023. [PMID: 36661184 DOI: 10.1111/prd.12473] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/21/2022] [Accepted: 09/06/2022] [Indexed: 01/21/2023]
Abstract
This narrative review summarizes the collective knowledge on periodontal microbiology, through a historical timeline that highlights the European contribution in the global field. The etiological concepts on periodontal disease culminate to the ecological plaque hypothesis and its dysbiosis-centered interpretation. Reference is made to anerobic microbiology and to the discovery of select periodontal pathogens and their virulence factors, as well as to biofilms. The evolution of contemporary molecular methods and high-throughput platforms is highlighted in appreciating the breadth and depth of the periodontal microbiome. Finally clinical microbiology is brought into perspective with the contribution of different microbial species in periodontal diagnosis, the combination of microbial and host biomarkers for this purpose, and the use of antimicrobials in the treatment of the disease.
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Affiliation(s)
- Georgios N Belibasakis
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Daniel Belstrøm
- Section for Clinical Oral Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sigrun Eick
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Ulvi K Gursoy
- Department of Periodontology, Institute of Dentistry, University of Turku, Turku, Finland
| | | | - Eija Könönen
- Department of Periodontology, Institute of Dentistry, University of Turku, Turku, Finland
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13
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Intraglandular mesenchymal stem cell treatment induces changes in the salivary proteome of irradiated patients. COMMUNICATIONS MEDICINE 2022; 2:160. [PMID: 36496530 PMCID: PMC9735277 DOI: 10.1038/s43856-022-00223-3] [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: 04/09/2021] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Hyposalivation and xerostomia (dry mouth), are the leading site-effects to treatment of head and neck cancer. Currently, there are no effective therapies to alleviate radiation-induced hyposalivation. Adipose tissue-derived mesenchymal stem/stromal cells (AT-MSCs) have shown potential for restoring salivary gland function. However, the mode of action is unknown. The purpose of the present study was therefore to characterize the effect of AT-MSC therapy on the salivary proteome in previously irradiated head and neck cancer patients. METHODS Whole saliva was collected from patients with radiation-induced salivary gland hypofunction (n = 8) at baseline, and 120 days after AT-MSC treatment, and from healthy controls (n = 10). The salivary proteome was characterized with mass spectrometry based proteomics, and data was compared within the AT-MSC group (baseline versus day 120) and between AT-MSC group and healthy controls. Significance levels between groups were determined by using double-sided t-test, and visualized by means of principal component analysis, volcano plots and cluster analysis. RESULTS Here we show that 140 human proteins are significantly differentially expressed in saliva from patients with radiation-induced hypofunction versus healthy controls. AT-MSC treatment induce a significant impact on the salivary proteome, as 99 proteins are differentially expressed at baseline vs. 120 days after treatment. However, AT-MSC treatment does not restore healthy conditions, as 212 proteins are significantly differentially expressed in saliva 120 days after AT-MSCs treatment, as compared to healthy controls. CONCLUSION The results indicate an increase in proteins related to tissue regeneration in AT-MSCs treated patients. Our study demonstrates the impact of AT-MSCs on the salivary proteome, thereby providing insight into the potential mode of action of this novel treatment approach.
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14
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Moussa DG, Ahmad P, Mansour TA, Siqueira WL. Current State and Challenges of the Global Outcomes of Dental Caries Research in the Meta-Omics Era. Front Cell Infect Microbiol 2022; 12:887907. [PMID: 35782115 PMCID: PMC9247192 DOI: 10.3389/fcimb.2022.887907] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/04/2022] [Indexed: 12/20/2022] Open
Abstract
Despite significant healthcare advances in the 21st century, the exact etiology of dental caries remains unsolved. The past two decades have witnessed a tremendous growth in our understanding of dental caries amid the advent of revolutionary omics technologies. Accordingly, a consensus has been reached that dental caries is a community-scale metabolic disorder, and its etiology is beyond a single causative organism. This conclusion was based on a variety of microbiome studies following the flow of information along the central dogma of biology from genomic data to the end products of metabolism. These studies were facilitated by the unprecedented growth of the next- generation sequencing tools and omics techniques, such as metagenomics and metatranscriptomics, to estimate the community composition of oral microbiome and its functional potential. Furthermore, the rapidly evolving proteomics and metabolomics platforms, including nuclear magnetic resonance spectroscopy and/or mass spectrometry coupled with chromatography, have enabled precise quantification of the translational outcomes. Although the majority supports ‘conserved functional changes’ as indicators of dysbiosis, it remains unclear how caries dynamics impact the microbiota functions and vice versa, over the course of disease onset and progression. What compounds the situation is the host-microbiota crosstalk. Genome-wide association studies have been undertaken to elucidate the interaction of host genetic variation with the microbiome. However, these studies are challenged by the complex interaction of host genetics and environmental factors. All these complementary approaches need to be orchestrated to capture the key players in this multifactorial disease. Herein, we critically review the milestones in caries research focusing on the state-of-art singular and integrative omics studies, supplemented with a bibliographic network analysis to address the oral microbiome, the host factors, and their interactions. Additionally, we highlight gaps in the dental literature and shed light on critical future research questions and study designs that could unravel the complexities of dental caries, the most globally widespread disease.
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Affiliation(s)
- Dina G. Moussa
- College of Dentistry, University of Saskatchewan, Saskatoon, SK, Canada
| | - Paras Ahmad
- College of Dentistry, University of Saskatchewan, Saskatoon, SK, Canada
| | - Tamer A. Mansour
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA, United States
- Department of Clinical Pathology, School of Medicine, Mansoura University, Mansoura, Egypt
| | - Walter L. Siqueira
- College of Dentistry, University of Saskatchewan, Saskatoon, SK, Canada
- *Correspondence: Walter L. Siqueira,
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15
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Huang Y, Zhao X, Cui L, Huang S. Metagenomic and Metatranscriptomic Insight Into Oral Biofilms in Periodontitis and Related Systemic Diseases. Front Microbiol 2021; 12:728585. [PMID: 34721325 PMCID: PMC8548771 DOI: 10.3389/fmicb.2021.728585] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/21/2021] [Indexed: 01/03/2023] Open
Abstract
The oral microbiome is one of the most complex microbial communities in the human body and is closely related to oral and systemic health. Dental plaque biofilms are the primary etiologic factor of periodontitis, which is a common chronic oral infectious disease. The interdependencies that exist among the resident microbiota constituents in dental biofilms and the interaction between pathogenic microorganisms and the host lead to the occurrence and progression of periodontitis. Therefore, accurately and comprehensively detecting periodontal organisms and dissecting their corresponding functional activity characteristics are crucial for revealing periodontitis pathogenesis. With the development of metagenomics and metatranscriptomics, the composition and structure of microbial communities as well as the overall functional characteristics of the flora can be fully profiled and revealed. In this review, we will critically examine the currently available metagenomic and metatranscriptomic evidence to bridge the gap between microbial dysbiosis and periodontitis and related systemic diseases.
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Affiliation(s)
- Yi Huang
- Stomatological Hospital, Southern Medical University and Guangdong Provincial Stomatological Hospital, Guangzhou, China
| | - Xinyuan Zhao
- Stomatological Hospital, Southern Medical University and Guangdong Provincial Stomatological Hospital, Guangzhou, China
| | - Li Cui
- Stomatological Hospital, Southern Medical University and Guangdong Provincial Stomatological Hospital, Guangzhou, China
- School of Dentistry and Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA, United States
| | - Shaohong Huang
- Stomatological Hospital, Southern Medical University and Guangdong Provincial Stomatological Hospital, Guangzhou, China
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16
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Sedghi L, DiMassa V, Harrington A, Lynch SV, Kapila YL. The oral microbiome: Role of key organisms and complex networks in oral health and disease. Periodontol 2000 2021; 87:107-131. [PMID: 34463991 PMCID: PMC8457218 DOI: 10.1111/prd.12393] [Citation(s) in RCA: 180] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
States of oral health and disease reflect the compositional and functional capacities of, as well as the interspecies interactions within, the oral microbiota. The oral cavity exists as a highly dynamic microbial environment that harbors many distinct substrata and microenvironments that house diverse microbial communities. Specific to the oral cavity, the nonshedding dental surfaces facilitate the development of highly complex polymicrobial biofilm communities, characterized not only by the distinct microbes comprising them, but cumulatively by their activities. Adding to this complexity, the oral cavity faces near-constant environmental challenges, including those from host diet, salivary flow, masticatory forces, and introduction of exogenous microbes. The composition of the oral microbiome is shaped throughout life by factors including host genetics, maternal transmission, as well as environmental factors, such as dietary habits, oral hygiene practice, medications, and systemic factors. This dynamic ecosystem presents opportunities for oral microbial dysbiosis and the development of dental and periodontal diseases. The application of both in vitro and culture-independent approaches has broadened the mechanistic understandings of complex polymicrobial communities within the oral cavity, as well as the environmental, local, and systemic underpinnings that influence the dynamics of the oral microbiome. Here, we review the present knowledge and current understanding of microbial communities within the oral cavity and the influences and challenges upon this system that encourage homeostasis or provoke microbiome perturbation, and thus contribute to states of oral health or disease.
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Affiliation(s)
- Lea Sedghi
- Department of Orofacial SciencesSchool of DentistryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Vincent DiMassa
- Department of MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Anthony Harrington
- Department of MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Susan V. Lynch
- Department of MedicineUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Yvonne L. Kapila
- Department of Orofacial SciencesSchool of DentistryUniversity of California San FranciscoSan FranciscoCaliforniaUSA
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17
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Metagenomic analysis of the salivary microbiota in patients with caries, periodontitis and comorbid diseases. J Dent Sci 2021; 16:1264-1273. [PMID: 34484595 PMCID: PMC8403802 DOI: 10.1016/j.jds.2020.12.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 11/30/2020] [Indexed: 11/24/2022] Open
Abstract
Background/purpose Previous studies have suggested that there is a mutual antagonism between caries and periodontitis. This research aimed to investigate the ecological connection and bacterial interaction of these two diseases. Materials and methods We profiled and analyzed the salivary microbiota from 124 individuals (including 38 caries patients, 34 periodontitis patients, 15 comorbid diseases patients, and 37 healthy controls) by using 16 S rRNA gene sequencing and bioinformatics approaches, and also quantified their salivary bacteria loads via quantitative real-time PCR. The putative biological functions of the salivary microbiome of the different groups were predicted by PICRUSt. Results We observed that both the total bacteria loads and the overall microbial richness in the saliva of the periodontitis group were higher than that in the healthy group. The principal coordinate analysis (PCoA) showed that the caries, periodontitis and healthy groups were separated from each other, and that the samples from comorbid diseases were located at the overlap of caries and periodontitis groups. Using LEfSe analysis, 20 differentially abundant genera were identified as potential biomarkers. These genera also performed complicated interactions among the four groups. Additionally, the PICRUSt analysis indicated caries-related and periodontitis-related functions (e.g., carbohydrate metabolism and bacteria proliferation) respectively. Conclusion We disclosed the significant differences in the salivary bacterial community under caries, periodontitis and comorbid diseases. The periodontitis group was marked by the increased complexity of the salivary microbiota. The result may have vital clinical significance to the screening and early treatment of caries-active and periodontitis-active individuals.
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18
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Ruan W, Sun C, Gao Q, Shrivastava N. Metaproteomics associated with severe early childhood caries highlights the differences in salivary proteins. Arch Oral Biol 2021; 131:105220. [PMID: 34461447 DOI: 10.1016/j.archoralbio.2021.105220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/24/2021] [Accepted: 07/26/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To investigate the salivary metaproteomic characteristics of the children with and without severe early childhood caries (S-ECC). DESIGN In this study, we collected unstimulated saliva samples from 34 children (age 3-4 years) with caries free (NC, dmfs (= index of decayed, missing due to caries, or filled tooth surfaces) = 0, n = 23) and with S-ECC (dmfs≥10, n = 11). Salivary proteins were extracted and reduced, and then a Liquid Chromatography/Mass Spectrometry system was used to identify proteins. RESULTS Nearly 3000 proteins were identified in this study, and about 3.5 % of the proteins originated from human while 86 % were derived from microbes. The salivary protein types in the NC group were statistically greater than those in the S-ECC group (P <0.05). Specifically, the salivary protein types derived from microbes in the NC group were significantly greater than those in the S-ECC group. Three proteins, human lactoferrin, penicillin-binding protein 1C [Burkholderia ubonensis], human alpha-defensin 1 (F28a mutant), were decreased statistically in the NC group compared to the S-ECC group (P < 0.05). Only one protein, 50S ribosomal protein L17 secreted by Haemophilus haemolyticus, was significantly increased in the NC group compared to the S-ECC group. Salivary IgA was the top highest protein in the NC group whereas human lysozyme was the top highest protein in the S-ECC group. CONCLUSIONS The differential proteins recognized in this study may be conducive for finding a caries biomarker. Understanding the metaproteomic characteristics can help us to control the caries from human origin and microbial origin.
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Affiliation(s)
- Wenhua Ruan
- Department of Stomatology, The Children's Hospital, Zhejiang University School of Medicine, National Clinic Research Center for Child Health, No. 3333 Binsheng Road, Binjiang District, Zhejiang Province, Hangzhou, 310052, PR China.
| | - Chao Sun
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, 310058, No. 866 Yuhangtang Road, Xihu District, Zhejiang Province, PR China
| | - Qikang Gao
- Analysis Center of Agrobiology and Environmental Sciences, Zhejiang University, Hangzhou, 310058, No. 866 Yuhangtang Road, Xihu District, Zhejiang Province, PR China.
| | - Neeraj Shrivastava
- Formerly visiting scientist at Zhejiang University, Hangzhou, Zhejiang Province, PR China; Amity Institute of Microbial Technology (AIMT), Amity University Uttar Pradesh (AUUP), Sector 125, Super Express Way, Noida, 201 303, UP, India
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19
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Hernández-Olivos R, Muñoz M, Núñez E, Camargo-Ayala PA, Garcia-Huidobro J, Pereira A, Nachtigall FM, Santos LS, Rivera C. Salivary proteome of aphthous stomatitis reveals the participation of vitamin metabolism, nutrients, and bacteria. Sci Rep 2021; 11:15646. [PMID: 34341431 PMCID: PMC8329211 DOI: 10.1038/s41598-021-95228-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 07/22/2021] [Indexed: 11/10/2022] Open
Abstract
There are currently no preventative options for recurrent aphthous stomatitis, and the only available treatments are palliative. This is partly due to a poor understanding of its etiopathogenesis. In this case-control study, we characterized the salivary proteome of patients with recurrent aphthous stomatitis in the presence and absence of lesions. Through mass spectrometry-based proteomics and bioinformatics tools, we identified that the presence of oral ulcers is associated with several specific biological processes, including the metabolic pathways of vitamin B9, B12, nitrogen, selenium, and the bacterium Neisseria meningitidis. These changes occurred only in the presence of clinically visible lesions, and there were no relevant differences between patients in anatomical regions unaffected by ulcers. Additionally, using western blot and ELISA assays, we verified that carbonic anhydrase 1 (CA1) and hemoglobin subunit beta (HBB) proteins are highly expressed during the ulcerative and remission phases of recurrent aphthous stomatitis. Our results cumulatively support saliva as an indicator of the pathophysiological changes, which occur during the clinical course of lesions. From a clinical perspective, we suggest that recurrent aphthous stomatitis is a condition triggered by temporary biological changes in people with lesions.
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Affiliation(s)
- Romina Hernández-Olivos
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca, Chile
| | - Mariagrazia Muñoz
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca, Chile
| | - Esteban Núñez
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca, Chile
| | - Paola Andrea Camargo-Ayala
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca, Chile
| | - Jenaro Garcia-Huidobro
- Centro de Investigaciones Médicas, Escuela de Medicina, Universidad de Talca, Talca, Chile
| | - Alfredo Pereira
- Instituto de Química de Recursos Naturales, Universidad de Talca, Talca, Chile
| | - Fabiane M Nachtigall
- Instituto de Ciencias Químicas Aplicadas, Universidad Autónoma de Chile, Talca, Chile
| | - Leonardo S Santos
- Instituto de Química de Recursos Naturales, Universidad de Talca, Talca, Chile
| | - César Rivera
- Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Talca, Chile.
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20
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Overmyer KA, Rhoads TW, Merrill AE, Ye Z, Westphall MS, Acharya A, Shukla SK, Coon JJ. Proteomics, lipidomics, metabolomics and 16S DNA sequencing of dental plaque from patients with diabetes and periodontal disease. Mol Cell Proteomics 2021; 20:100126. [PMID: 34332123 PMCID: PMC8426274 DOI: 10.1016/j.mcpro.2021.100126] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 07/24/2021] [Indexed: 12/11/2022] Open
Abstract
Oral microbiome influences human health, specifically prediabetes and type 2 diabetes (Pre-DM/DM) and periodontal diseases (PDs), through complex microbial interactions. To explore these relations, we performed 16S rDNA sequencing, metabolomics, lipidomics, and proteomics analyses on supragingival dental plaque collected from individuals with Pre-DM/DM (n = 39), Pre-DM/DM and PD (n = 37), PD alone (n = 11), or neither (n = 10). We identified on average 2790 operational taxonomic units and 2025 microbial and host proteins per sample and quantified 110 metabolites and 415 lipids. Plaque samples from Pre-DM/DM patients contained higher abundance of Fusobacterium and Tannerella than plaques from metabolically healthy patients. Phosphatidylcholines, plasmenyl phosphatidylcholines, ceramides containing non-OH fatty acids, and host proteins related to actin filament rearrangement were elevated in plaques from PD versus non-PD samples. Cross-omic correlation analysis enabled the detection of a strong association between Lautropia and monomethyl phosphatidylethanolamine (PE-NMe), which is striking because synthesis of PE-NMe is uncommon in oral bacteria. Lipidomics analysis of in vitro cultures of Lautropia mirabilis confirmed the synthesis of PE-NMe by the bacteria. This comprehensive analysis revealed a novel microbial metabolic pathway and significant associations of host-derived proteins with PD. Patients with periodontal disease or diabetes have unique microbial dysbiosis. Proteomics and 16S data provide complementary information about microbial diversity. Cross-omic correlation reveals host signatures associated with periodontal disease. Multi-omic data lead to finding about microbially synthesized lipids.
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Affiliation(s)
- Katherine A Overmyer
- Morgridge Institute for Research, Madison, WI 53715, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA
| | - Timothy W Rhoads
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Anna E Merrill
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Zhan Ye
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA
| | - Michael S Westphall
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA
| | - Amit Acharya
- Center for Oral and Systemic Health, Marshfield Clinic, Marshfield, WI 54449, USA
| | - Sanjay K Shukla
- Center for Oral and Systemic Health, Marshfield Clinic, Marshfield, WI 54449, USA; Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI 54449, USA.
| | - Joshua J Coon
- Morgridge Institute for Research, Madison, WI 53715, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53706, USA.
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21
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Hassan MG, Zaher AR, Athanasiou AE. How orthodontic research can be enriched and advanced by the novel and promising evolutions in biomedicine. J Orthod 2021; 48:288-294. [PMID: 33860691 DOI: 10.1177/14653125211006116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Recent advances in developmental, molecular and cellular biology as well as biomedical technologies show a promising future for crossing the gap between biomedical basic sciences and clinical orthodontics. Orthodontic research shall utilise the advances and technologies in biomedical fields including genomics, molecular biology, bioinformatics and developmental biology. This review provides an update on the novel and promising evolutions in biomedicine and highlights their current and likely future implementation to orthodontic practice. Biotechnological opportunities in orthodontics and dentofacial orthopaedics are presented with regards to CRISPR technology, multi-omics sequencing, gene therapy, stem cells and regenerative medicine. Future orthodontic advances in terms of translational research are also discussed. Given the breadth of applications and the great number of questions that the presently available novel biomedical tools and techniques raise, their use may provide orthodontic research in the future with a great potential in understanding the aetiology of dentofacial deformities and malocclusions as well as in improving the practice of this clinical specialty.
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Affiliation(s)
- Mohamed G Hassan
- Department of Orthodontics, Faculty of Oral and Dental Medicine, South Valley University, Qena, Egypt
| | - Abbas R Zaher
- Department of Orthodontics, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Athanasios E Athanasiou
- Department of Dentistry, School of Medicine, European University Cyprus, Nicosia, Cyprus.,Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
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Shokeen B, Dinis MDB, Haghighi F, Tran NC, Lux R. Omics and interspecies interaction. Periodontol 2000 2020; 85:101-111. [PMID: 33226675 DOI: 10.1111/prd.12354] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Interspecies interactions are key determinants in biofilm behavior, ecology, and architecture. The cellular responses of microorganisms to each other at transcriptional, proteomic, and metabolomic levels ultimately determine the characteristics of biofilm and the corresponding implications for health and disease. Advances in omics technologies have revolutionized our understanding of microbial community composition and their activities as a whole. Large-scale analyses of the complex interaction between the many microbial species residing within a biofilm, however, are currently still hampered by technical and bioinformatics challenges. Thus, studies of interspecies interactions have largely focused on the transcriptional and proteomic changes that occur during the contact of a few prominent species, such as Porphyromonas gingivalis, Streptococcus mutans, Candida albicans, and a few others, with selected partner species. Expansion of available tools is necessary to grow the revealing, albeit limited, insight these studies have provided into a profound understanding of the nature of individual microbial responses to the presence of others. This will allow us to answer important questions including: Which intermicrobial interactions orchestrate the myriad of cooperative, synergistic, antagonistic, manipulative, and other types of relationships and activities in the complex biofilm environment, and what are the implications for oral health and disease?
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Affiliation(s)
- Bhumika Shokeen
- Section of Periodontics, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, USA
| | - Marcia Dalila Botelho Dinis
- Section of Pediatric Dentistry, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, USA
| | - Farnoosh Haghighi
- Section of Periodontics, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, USA
| | - Nini Chaichanasakul Tran
- Section of Pediatric Dentistry, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, USA
| | - Renate Lux
- Section of Periodontics, School of Dentistry, University of California at Los Angeles, Los Angeles, CA, USA
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23
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Bostanci N, Grant M, Bao K, Silbereisen A, Hetrodt F, Manoil D, Belibasakis GN. Metaproteome and metabolome of oral microbial communities. Periodontol 2000 2020; 85:46-81. [PMID: 33226703 DOI: 10.1111/prd.12351] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The emergence of high-throughput technologies for the comprehensive measurement of biomolecules, also referred to as "omics" technologies, has helped us gather "big data" and characterize microbial communities. In this article, we focus on metaproteomic and metabolomic approaches that support hypothesis-driven investigations on various oral biologic samples. Proteomics reveals the working units of the oral milieu and metabolomics unveils the reactions taking place; and so these complementary techniques can unravel the functionality and underlying regulatory processes within various oral microbial communities. Current knowledge of the proteomic interplay and metabolic interactions of microorganisms within oral biofilm and salivary microbiome communities is presented and discussed, from both clinical and basic research perspectives. Communities indicative of, or from, health, caries, periodontal diseases, and endodontic lesions are represented. Challenges, future prospects, and examples of best practice are given.
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Affiliation(s)
- Nagihan Bostanci
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Melissa Grant
- Biological Sciences, School of Dentistry, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Kai Bao
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Angelika Silbereisen
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Franziska Hetrodt
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Daniel Manoil
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Georgios N Belibasakis
- Division of Oral Diseases, Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
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24
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Kolmeder CA, de Vos WM. Roadmap to functional characterization of the human intestinal microbiota in its interaction with the host. J Pharm Biomed Anal 2020; 194:113751. [PMID: 33328144 DOI: 10.1016/j.jpba.2020.113751] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022]
Abstract
It is known for more than 100 years that the intestinal microbes are important for the host's health and the last decade this is being intensely studied with a focus on the mechanistic aspects. Among the fundamental functions of the intestinal microbiome are the priming of the immune system, the production of essential vitamins and the energy harvest from foods. By now, several dozens of diseases, both intestinal and non-intestinal related, have been associated with the intestinal microbiome. Initially, this was based on the description of the composition between groups of different health status or treatment arms based on phylogenetic approaches based on the 16S rRNA gene sequences. This way of analysis has mostly moved to the analysis of all the genes or transcripts of the microbiome i.e. metagenomics and meta-transcriptomics. Differences are regularly found but these have to be taken with caution as we still do not know what the majority of genes of the intestinal microbiome are capable of doing. To circumvent this caveat researchers are studying the proteins and the metabolites of the microbiome and the host via metaproteomics and metabolomics approaches. However, also here the complexity is high and only a fraction of signals obtained with high throughput instruments can be identified and assigned to a known protein or molecule. Therefore, modern microbiome research needs advancement of existing and development of new analytical techniques. The usage of model systems like intestinal organoids where samples can be taken and processed rapidly as well as microfluidics systems may help. This review aims to elucidate what we know about the functionality of the human intestinal microbiome, what technologies are advancing this knowledge, and what innovations are still required to further evolve this actively developing field.
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Affiliation(s)
| | - Willem M de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Finland; Laboratory of Microbiology, Wageningen University, the Netherlands
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25
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Fotakis AK, Denham SD, Mackie M, Orbegozo MI, Mylopotamitaki D, Gopalakrishnan S, Sicheritz-Pontén T, Olsen JV, Cappellini E, Zhang G, Christophersen A, Gilbert MTP, Vågene ÅJ. Multi-omic detection of Mycobacterium leprae in archaeological human dental calculus. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190584. [PMID: 33012227 PMCID: PMC7702802 DOI: 10.1098/rstb.2019.0584] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Mineralized dental plaque (calculus) has proven to be an excellent source of ancient biomolecules. Here we present a Mycobacterium leprae genome (6.6-fold), the causative agent of leprosy, recovered via shotgun sequencing of sixteenth-century human dental calculus from an individual from Trondheim, Norway. When phylogenetically placed, this genome falls in branch 3I among the diversity of other contemporary ancient strains from Northern Europe. Moreover, ancient mycobacterial peptides were retrieved via mass spectrometry-based proteomics, further validating the presence of the pathogen. Mycobacterium leprae can readily be detected in the oral cavity and associated mucosal membranes, which likely contributed to it being incorporated into this individual's dental calculus. This individual showed some possible, but not definitive, evidence of skeletal lesions associated with early-stage leprosy. This study is the first known example of successful multi-omics retrieval of M. leprae from archaeological dental calculus. Furthermore, we offer new insights into dental calculus as an alternative sample source to bones or teeth for detecting and molecularly characterizing M. leprae in individuals from the archaeological record. This article is part of the theme issue ‘Insights into health and disease from ancient biomolecules’.
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Affiliation(s)
- Anna K Fotakis
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Sean D Denham
- Museum of Archaeology, University of Stavanger, Stavanger, Norway
| | - Meaghan Mackie
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway.,Novo Nordisk Foundation Centre for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Miren Iraeta Orbegozo
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Dorothea Mylopotamitaki
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Shyam Gopalakrishnan
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Thomas Sicheritz-Pontén
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Jesper V Olsen
- Novo Nordisk Foundation Centre for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Enrico Cappellini
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
| | - Guojie Zhang
- Section for Ecology and Evolution, Department of Biology, University of Copenhagen, 2100 Copenhagen, Denmark.,BGI-Shenzhen, 518083 Shenzhen, People's Republic of China.,State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, 650223 Kunming, People's Republic of China.,Centre for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, 650223 Kunming, People's Republic of China
| | | | - M Thomas P Gilbert
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway.,NTNU University Museum, Trondheim, Norway
| | - Åshild J Vågene
- Section for Evolutionary Genomics, GLOBE Institute, Faculty of Health and Medical Sciences, University of Stavanger, Stavanger, Norway
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Guedes SFF, Neves BG, Bezerra DS, Souza GHMF, Lima-Neto ABM, Guedes MIF, Duarte S, Rodrigues LKA. Saliva proteomics from children with caries at different severity stages. Oral Dis 2020; 26:1219-1229. [PMID: 32285988 DOI: 10.1111/odi.13352] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/18/2020] [Accepted: 03/27/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To perform a comparative analysis of saliva protein profile of patients with early childhood caries at different levels of severity and caries-free individuals. MATERIALS AND METHODS Stimulated saliva samples were collected from 126 children (2-6 years old), classified according to the ICDAS II, and divided into 3 groups (n = 42): caries-free (CF), enamel caries (EC), and dentine caries (DC). Samples were digested and analyzed by nanoUPLC coupled with a mass spectrometry. Data analyses were conducted with Progenesis QI for Proteomics Software v2.0. Gene Ontology (GO) terms and protein-protein interaction analysis were obtained. RESULTS A total of 306 proteins (≈6 peptides) were identified. Among them, 122 were differentially expressed in comparisons among children with different caries status. Out of the 122 proteins, the proteins E2AK4 and SH3L2 were exclusively present in groups CF and EC, respectively, and 8 proteins (HAUS4, CAH1, IL36A, IL36G, AIMP1, KLHL8, KLH13, and SAA1) were considered caries-related proteins when compared to caries-free children; they were up-regulated proteins in the caries groups (EC and DC). CONCLUSION The identification of exclusive proteins for caries-free or carious-related conditions may help in understanding the mechanisms of caries and predicting risk as well as advancing in caries control or anti-caries approaches.
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Affiliation(s)
- Sarah F F Guedes
- Faculty of Pharmacy, Dentistry and Nursing, Postgraduate Program in Dentistry, Federal University of Ceará, Fortaleza, Brazil
| | - Beatriz G Neves
- School of Dentistry, Federal University of Ceará, Sobral, Brazil
| | | | - Gustavo H M F Souza
- MS Applications Development Laboratory, Waters Corporation, São Paulo, Brazil
| | - Abelardo B M Lima-Neto
- Laboratory of Biotechnology and Molecular Biology, State University of Ceará, Fortaleza, Brazil
| | - Maria Izabel F Guedes
- Laboratory of Biotechnology and Molecular Biology, State University of Ceará, Fortaleza, Brazil
| | - Simone Duarte
- Department of Cariology, Operative Dentistry and Dental Public Health, School of Dentistry, Indiana University - Purdue University Indianapolis, Indianapolis, IN, USA
| | - Lidiany K A Rodrigues
- Faculty of Pharmacy, Dentistry and Nursing, Postgraduate Program in Dentistry, Federal University of Ceará, Fortaleza, Brazil
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Oxidative Stress Markers Differ in Two Placental Dysfunction Pathologies: Pregnancy-Induced Hypertension and Intrauterine Growth Restriction. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1323891. [PMID: 32685085 PMCID: PMC7346256 DOI: 10.1155/2020/1323891] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/27/2020] [Accepted: 06/19/2020] [Indexed: 01/07/2023]
Abstract
Aim Pregnancy-induced hypertension (PIH) and intrauterine growth restriction (IUGR) are both multisystemic disorders of pregnancy that cause perinatal morbidity and mortality. Recently, researchers focused on the role of oxidative stress (OS) as a pathophysiological mechanism in the development of these pathologies. The aim of this study was to compare OS in placental-related pathologies (PIH and IUGR) and uncomplicated pregnancies. We also investigated which salivary OS markers reflect systemic oxidative status and which only reflect the state of the oral cavity. Material and Methods. A total of 104 pregnant women (n = 104; 27 with PIH, 30 with IUGR, and 47 controls) were evaluated. Malondialdehyde (MDA), total antioxidant capacity (ORAC), aldehyde dehydrogenase (ALDH), and activity of glutathione peroxidase (GPx) and glutathione transferase (GST) in plasma/whole blood and/or saliva were analysed. Dietary nutrient intake was calculated using a Semiquantitative Food Frequency Questionnaire (SFFQ). Oral health was assessed to eliminate patients with bleeding, severe periodontitis, and other dental pathologies. Results In the IUGR group, increased concentration of ORAC was observed both in saliva and plasma. Also, lower plasma levels of MDA in IUGR compared to the control group was detected. No sign of oxidative stress was confirmed in the PIH group. The examined groups did not differ regarding diet and markers of inflammation. ORAC in saliva was correlated with its level in plasma. No such correlations for MDA were observed. In the IUGR group, there were no differences in OS markers in plasma, but there was a lower ALDH level in the blood compared to the control group. It confirms OS occurrence in IUGR. In IUGR, a higher activity of salivary ALDH was probably due to worse oral health. Conclusion Oxidative stress differs between IUGR and PIH groups: the presence of oxidative stress was confirmed only in the IUGR group. Salivary ORAC can be used to estimate ORAC in plasma. The activity of salivary ALDH reflects the state of the oral cavity.
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28
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Nguyen T, Sedghi L, Ganther S, Malone E, Kamarajan P, Kapila YL. Host-microbe interactions: Profiles in the transcriptome, the proteome, and the metabolome. Periodontol 2000 2020; 82:115-128. [PMID: 31850641 DOI: 10.1111/prd.12316] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Periodontal studies using transcriptomics, proteomics, and metabolomics encompass the collection of mRNA transcripts, proteins, and small-molecule chemicals in the context of periodontal health and disease. The number of studies using these approaches has significantly increased in the last decade and they have provided new insight into the pathogenesis and host-microbe interactions that define periodontal diseases. This review provides an overview of current molecular findings using -omic approaches that underlie periodontal disease, including modulation of the host immune response, tissue homeostasis, and complex metabolic processes of the host and the oral microbiome. Integration of these -omic approaches will broaden our perspective of the molecular mechanisms involved in periodontal disease, advancing and improving the diagnosis and treatment of various stages and forms of periodontal disease.
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Affiliation(s)
- Trang Nguyen
- School of Dentistry, University of California San Francisco, San Francisco, California, USA
| | - Lea Sedghi
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA
| | - Sean Ganther
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA
| | - Erin Malone
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA
| | - Pachiyappan Kamarajan
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA
| | - Yvonne L Kapila
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, San Francisco, California, USA
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29
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Pedersen AML, Darwish M, Nicholson J, Edwards MI, Gupta AK, Belstrøm D. Gingival health status in individuals using different types of toothpaste. J Dent 2020; 80 Suppl 1:S13-S18. [PMID: 30696551 DOI: 10.1016/j.jdent.2018.08.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/15/2018] [Accepted: 08/16/2018] [Indexed: 01/27/2023] Open
Abstract
OBJECTIVES To examine the relationship between the medium term use (>1 year) of a toothpaste containing natural enzymes and proteins (Zendium™) upon gingival index, plaque index and bleeding index compared to medium term use of toothpastes without antimicrobial/antiinflammatory ingredients. METHODS A total of 305 participants eligible for inclusion were grouped according to their toothpaste use and matched with regard to gender and age (18-30, 31-55 and 56+ years of age). A total of 161 persons were using a toothpaste which contained enzymes and proteins (Zendium™, test group), and 144 persons were using a toothpaste without these ingredients (control group). The amount of dental plaque and the gingival condition were assessed at six sites of each tooth using the modified gingival index (MGI), plaque index (Modified Quigley and Hein plaque index, PI), and bleeding index (BI). Mean values of MGI, PI and BI were compared using analysis of covariance. RESULTS The test group had significantly less gingival inflammation than the control group (adjusted mean scores (SD); 1.80 (0.65) vs. 2.27 (0.63),p < 0.0001), as well as lower levels of plaque (2.03 (0.33) vs. 2.12 (0.33), p = 0.0168) and gingival bleeding (0.74 (0.45) vs. 1.08 (0.45), p < 0.0001). Females had significantly less gingival inflammation (p < 0.0001), plaque (p = 0.0005) and bleeding (p = 0.0118) than males. Participants aged 18-30 years had significantly higher levels of inflammation and bleeding than the older age groups (p < 0.001), and also higher plaque levels compared to participants aged 31-55 years (p = 0.0069). Potential confounding factors including oral hygiene practices and consistency of dental visits did not differ between groups. CONCLUSIONS Our findings indicate that medium term use of fluoride toothpaste containing enzymes and proteins (Zendium™) is associated with a better gingival health than the use of other types of fluoride toothpastes without antimicrobial active ingredients. CLINICAL SIGNIFICANCE Medium term (> 1 year) use of toothpaste containing naturally occurring enzymes and proteins (Zendium™) in an unsupervised home setting is associated with better gingival health compared to the unsupervised use of other commercially available toothpastes without antimicrobial/antiinflammatory active ingredients.
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Affiliation(s)
- A M L Pedersen
- Oral Medicine and Oral Pathology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - M Darwish
- Periodontology and Oral Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - J Nicholson
- Unilever Oral Care, Quarry Road East, Bebington, Wirral, CH63 3JW, UK
| | - M I Edwards
- Unilever Oral Care, Unilever House, 100 Victoria Embankment, London, EC4Y 0DY, UK
| | - A K Gupta
- Hindustan Unilever Limited Research Centre, Main Road, Whitefield, Bangalore 560 066, India
| | - D Belstrøm
- Periodontology and Oral Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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30
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Oral Microbiota Profile Associates with Sugar Intake and Taste Preference Genes. Nutrients 2020; 12:nu12030681. [PMID: 32138214 PMCID: PMC7146170 DOI: 10.3390/nu12030681] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/25/2020] [Accepted: 02/28/2020] [Indexed: 12/11/2022] Open
Abstract
Oral microbiota ecology is influenced by environmental and host conditions, but few studies have evaluated associations between untargeted measures of the entire oral microbiome and potentially relevant environmental and host factors. This study aimed to identify salivary microbiota cluster groups using hierarchical cluster analyses (Wards method) based on 16S rRNA gene amplicon sequencing, and identify lifestyle and host factors which were associated with these groups. Group members (n = 175) were distinctly separated by microbiota profiles and differed in reported sucrose intake and allelic variation in the taste-preference-associated genes TAS1R1 (rs731024) and GNAT3 (rs2074673). Groups with higher sucrose intake were either characterized by a wide panel of species or phylotypes with fewer aciduric species, or by a narrower profile that included documented aciduric- and caries-associated species. The inferred functional profiles of the latter type were dominated by metabolic pathways associated with the carbohydrate metabolism with enrichment of glycosidase functions. In conclusion, this study supported in vivo associations between sugar intake and oral microbiota ecology, but it also found evidence for a variable microbiota response to sugar, highlighting the importance of modifying host factors and microbes beyond the commonly targeted acidogenic and acid-tolerant species. The results should be confirmed under controlled settings with comprehensive phenotypic and genotypic data.
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Vieira AR, Vieira NM, Limesand K, Modesto A. Differences in Proteomic Profiles Between Caries Free and Caries Affected Children. PESQUISA BRASILEIRA EM ODONTOPEDIATRIA E CLÍNICA INTEGRADA 2020. [DOI: 10.1590/pboci.2020.131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Hartenbach FARR, Velasquez É, Nogueira FCS, Domont GB, Ferreira E, Colombo APV. Proteomic analysis of whole saliva in chronic periodontitis. J Proteomics 2019; 213:103602. [PMID: 31809901 DOI: 10.1016/j.jprot.2019.103602] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/18/2019] [Accepted: 12/02/2019] [Indexed: 12/14/2022]
Abstract
Periodontitis is a chronic inflammatory disease resulting from a dysbiosis of the dental biofilm and a dysregulated host response in susceptible individuals. It is characterized by periodontal attachment destruction, bone resorption and eventual tooth loss. Salivary biomarkers have been sought to predict and prevent periodontitis. This comparative study analyzed the salivary proteome of individuals with chronic periodontitis (CP) and periodontal health (PH) and correlated specific proteins with clinical parameters of disease by using mass spectrometry. Stimulated whole saliva was obtained 10 PH and 30 CP patients and pooled into 5 healthy control samples and 15 CP samples. After precipitation with TCA, samples were digested enzymatically with trypsin and analyzed by a LTQ Orbitrap Velos equipped with a nanoelectrospray ion source. A wide range of salivary proteins of various functions was significantly reduced in CP individuals, whereas salivary acidic proline-rich phosphoprotein, submaxillary gland androgen-regulated protein, histatin-1, fatty acid binding protein, thioredoxin and cystatin-SA were predominant in diseased patients and correlated significantly with signs of periodontal attachment loss and inflammation. In conclusion, few specific salivary proteins were associated with CP. These findings may contribute to the identification of disease indicators or signatures for the improvement of periodontal diagnosis. SIGNIFICANCE: Periodontitis is a chronic inflammatory disease that results in periodontal attachment destruction, bone resorption and eventual tooth loss. Salivary biomarkers have been sought to predict periodontitis. The analysis of the salivary proteome of individuals with chronic periodontitis indicated that several proteins of various functions were significantly reduced in these individuals, except for salivary acidic proline-rich phosphoprotein, submaxillary gland androgen-regulated protein, histatin, fatty acid binding protein, thioredoxin and cystatin. Differences in salivary proteome profiles between periodontal health and periodontitis may contribute to the identification of disease indicators and to the improvement of periodontal diagnosis and treatment.
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Affiliation(s)
- Fátima Aparecida Rocha Resende Hartenbach
- School of Dentistry, Department of Clinics, Federal University of Rio de Janeiro, Brazil; Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil
| | - Érika Velasquez
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Fábio C S Nogueira
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil; Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Gilberto B Domont
- Proteomics Unit, Department of Biochemistry, Institute of Chemistry, Federal University of Rio de Janeiro, Brazil
| | - Eliane Ferreira
- Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil
| | - Ana Paula Vieira Colombo
- School of Dentistry, Department of Clinics, Federal University of Rio de Janeiro, Brazil; Department of MedicalMicrobiology, Institute of Microbiology, FederalUniversity of Rio de Janeiro, Brazil.
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Rabe A, Gesell Salazar M, Michalik S, Fuchs S, Welk A, Kocher T, Völker U. Metaproteomics analysis of microbial diversity of human saliva and tongue dorsum in young healthy individuals. J Oral Microbiol 2019; 11:1654786. [PMID: 31497257 PMCID: PMC6720020 DOI: 10.1080/20002297.2019.1654786] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 07/30/2019] [Accepted: 08/07/2019] [Indexed: 12/29/2022] Open
Abstract
Background: The human oral microbiome influences initiation or progression of diseases like caries or periodontitis. Metaproteomics approaches enable the simultaneous investigation of microbial and host proteins and their interactions to improve understanding of oral diseases. Objective: In this study, we provide a detailed metaproteomics perspective of the composition of salivary and tongue microbial communities of young healthy subjects. Design: Stimulated saliva and tongue samples were collected from 24 healthy volunteers, subjected to shotgun nLC-MS/MS and analyzed by the Trans-Proteomic Pipeline and the Prophane tool. Results: 3,969 bacterial and 1,857 human proteins could be identified from saliva and tongue, respectively. In total, 1,971 bacterial metaproteins and 1,154 human proteins were shared in both sample types. Twice the amount of bacterial metaproteins were uniquely identified for the tongue dorsum compared to saliva. Overall, 107 bacterial genera of seven phyla formed the microbiome. Comparative analysis identified significant functional differences between the microbial biofilm on the tongue and the microbiome of saliva. Conclusion: Even if the microbial communities of saliva and tongue dorsum showed a strong similarity based on identified protein functions and deduced bacterial composition, certain specific characteristics were observed. Both microbiomes exhibit a great diversity with seven genera being most abundant.
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Affiliation(s)
- Alexander Rabe
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Manuela Gesell Salazar
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Stephan Michalik
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Stephan Fuchs
- Department of Infectious Diseases, Division of Nosocomial Pathogens and Antibiotic Resistances, Robert Koch-Institute, Wernigerode, Germany
| | - Alexander Welk
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry, University Medicine Greifswald, Greifswald, Germany
| | - Thomas Kocher
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry, University Medicine Greifswald, Greifswald, Germany
| | - Uwe Völker
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
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Damgaard C, Danielsen AK, Enevold C, Massarenti L, Nielsen CH, Holmstrup P, Belstrøm D. Porphyromonas gingivalis in saliva associates with chronic and aggressive periodontitis. J Oral Microbiol 2019; 11:1653123. [PMID: 31489129 PMCID: PMC6713147 DOI: 10.1080/20002297.2019.1653123] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 07/25/2019] [Accepted: 08/02/2019] [Indexed: 12/27/2022] Open
Abstract
Objective: To characterize the salivary microbiota of patients with aggressive periodontitis, patients with chronica periodontitis and orally healthy individuals. Methods: A total of 81 unstimulated saliva samples from aggressive periodontitis patients (n = 31), chronic periodontitis patients (n = 25), and orally healthy controls (n = 25) were examined. The V1-V3 region of the 16S rDNA gene was sequenced with Illumina® MiSeqTM, and sequences were annotated to the expanded Human Oral Microbiome Database (eHOMD). Results: A mean percentage of 97.6 (range: 89.8–99.7) of sequences could be identified at species level. Seven bacterial species, including Porphyromonas gingivalis, were identified with significantly higher relative abundance in saliva from aggressive periodontitis patients than in saliva from orally healthy controls. Salivary abundance of P. gingivalis could discriminate aggressive (AUC: 0.80, p = 0.0001) and chronic periodontitis (AUC: 0.72, p = 0.006) from healthy controls. Likewise, salivary presence of P. gingivalis was significantly associated with aggressive (p < 0.0001, RR: 8.1 (95% CI 2.1–31.2)) and chronic periodontitis (p = 0.002, RR: 6.5 (95% CI: 1.6–25.9)). Conclusion: Salivary presence and relative abundance of P. gingivalis associate with aggressive and chronic periodontitis, but do not discriminate between aggressive and chronic periodontitis.
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Affiliation(s)
- Christian Damgaard
- Section for Periodontology and Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Anne Katrine Danielsen
- Section for Periodontology and Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Christian Enevold
- Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Laura Massarenti
- Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Claus Henrik Nielsen
- Section for Periodontology and Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Institute for Inflammation Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Palle Holmstrup
- Section for Periodontology and Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Daniel Belstrøm
- Section for Periodontology and Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Velsko IM, Fellows Yates JA, Aron F, Hagan RW, Frantz LAF, Loe L, Martinez JBR, Chaves E, Gosden C, Larson G, Warinner C. Microbial differences between dental plaque and historic dental calculus are related to oral biofilm maturation stage. MICROBIOME 2019; 7:102. [PMID: 31279340 PMCID: PMC6612086 DOI: 10.1186/s40168-019-0717-3] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 06/24/2019] [Indexed: 05/19/2023]
Abstract
BACKGROUND Dental calculus, calcified oral plaque biofilm, contains microbial and host biomolecules that can be used to study historic microbiome communities and host responses. Dental calculus does not typically accumulate as much today as historically, and clinical oral microbiome research studies focus primarily on living dental plaque biofilm. However, plaque and calculus reflect different conditions of the oral biofilm, and the differences in microbial characteristics between the sample types have not yet been systematically explored. Here, we compare the microbial profiles of modern dental plaque, modern dental calculus, and historic dental calculus to establish expected differences between these substrates. RESULTS Metagenomic data was generated from modern and historic calculus samples, and dental plaque metagenomic data was downloaded from the Human Microbiome Project. Microbial composition and functional profile were assessed. Metaproteomic data was obtained from a subset of historic calculus samples. Comparisons between microbial, protein, and metabolomic profiles revealed distinct taxonomic and metabolic functional profiles between plaque, modern calculus, and historic calculus, but not between calculus collected from healthy teeth and periodontal disease-affected teeth. Species co-exclusion was related to biofilm environment. Proteomic profiling revealed that healthy tooth samples contain low levels of bacterial virulence proteins and a robust innate immune response. Correlations between proteomic and metabolomic profiles suggest co-preservation of bacterial lipid membranes and membrane-associated proteins. CONCLUSIONS Overall, we find that there are systematic microbial differences between plaque and calculus related to biofilm physiology, and recognizing these differences is important for accurate data interpretation in studies comparing dental plaque and calculus.
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Affiliation(s)
- Irina M Velsko
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, UK.
- Department of Archaeogenetics, Max Planck Institute for the Science of Human History, 07745, Jena, Germany.
| | - James A Fellows Yates
- Department of Archaeogenetics, Max Planck Institute for the Science of Human History, 07745, Jena, Germany
| | - Franziska Aron
- Department of Archaeogenetics, Max Planck Institute for the Science of Human History, 07745, Jena, Germany
| | - Richard W Hagan
- Department of Archaeogenetics, Max Planck Institute for the Science of Human History, 07745, Jena, Germany
| | - Laurent A F Frantz
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, UK
- School of Biological and Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK
| | - Louise Loe
- Heritage Burial Services, Oxford Archaeology, Oxford, OX2 0ES, UK
| | | | - Eros Chaves
- Department of Periodontics, University of Oklahoma Health Sciences Center, Oklahoma City, 73117, OK, USA
- Current address: Pinellas Dental Specialties, Largo, FL, 33776, USA
| | - Chris Gosden
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, UK
| | - Greger Larson
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, UK
| | - Christina Warinner
- Department of Archaeogenetics, Max Planck Institute for the Science of Human History, 07745, Jena, Germany.
- Department of Periodontics, University of Oklahoma Health Sciences Center, Oklahoma City, 73117, OK, USA.
- Department of Anthropology, University of Oklahoma, Norman, OK, 73019, USA.
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36
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Pay JB, Shaw AM. Towards salivary C-reactive protein as a viable biomarker of systemic inflammation. Clin Biochem 2019; 68:1-8. [DOI: 10.1016/j.clinbiochem.2019.04.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 03/08/2019] [Accepted: 04/08/2019] [Indexed: 12/13/2022]
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37
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Seredin PV, Goloshchapov DL, Plotnikova YA, Ippolitov YA, Vongsvivut J. Diagnostic potential of the oral fluid for the observation people with multiple dental caries by means of FTIR. ACTA ACUST UNITED AC 2018. [DOI: 10.1088/1742-6596/1124/3/031007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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38
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Jersie-Christensen RR, Lanigan LT, Lyon D, Mackie M, Belstrøm D, Kelstrup CD, Fotakis AK, Willerslev E, Lynnerup N, Jensen LJ, Cappellini E, Olsen JV. Quantitative metaproteomics of medieval dental calculus reveals individual oral health status. Nat Commun 2018; 9:4744. [PMID: 30459334 PMCID: PMC6246597 DOI: 10.1038/s41467-018-07148-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 10/09/2018] [Indexed: 12/16/2022] Open
Abstract
The composition of ancient oral microbiomes has recently become accessible owing to advanced biomolecular methods such as metagenomics and metaproteomics, but the utility of metaproteomics for such analyses is less explored. Here, we use quantitative metaproteomics to characterize the dental calculus associated with the remains of 21 humans retrieved during the archeological excavation of the medieval (ca. 1100-1450 CE) cemetery of Tjærby, Denmark. We identify 3671 protein groups, covering 220 bacterial species and 81 genera across all medieval samples. The metaproteome profiles of bacterial and human proteins suggest two distinct groups of archeological remains corresponding to health-predisposed and oral disease-susceptible individuals, which is supported by comparison to the calculus metaproteomes of healthy living individuals. Notably, the groupings identified by metaproteomics are not apparent from the bioarchaeological analysis, illustrating that quantitative metaproteomics has the potential to provide additional levels of molecular information about the oral health status of individuals from archeological contexts.
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Affiliation(s)
- Rosa R Jersie-Christensen
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
| | - Liam T Lanigan
- Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark
| | - David Lyon
- Disease Systems Biology Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
| | - Meaghan Mackie
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
- Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark
| | - Daniel Belstrøm
- Periodontology and Microbiology, Department of Odontology, Faculty of Health Sciences, University of Copenhagen, Nørre Allé 20, 2200, Copenhagen N, Denmark
| | - Christian D Kelstrup
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
| | - Anna K Fotakis
- Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark
| | - Eske Willerslev
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark
- Department of Zoology, University of Cambridge, Downing St, Cambridge, CB2 3EJ, UK
| | - Niels Lynnerup
- Laboratory of Biological Anthropology, Institute of Forensic Medicine, Faculty of Health Sciences, University of Copenhagen, Frederik V's Vej 11, 2100, Copenhagen Ø, Denmark
| | - Lars J Jensen
- Disease Systems Biology Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark
| | - Enrico Cappellini
- Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark.
| | - Jesper V Olsen
- Proteomics Program, Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3B, 2200, Copenhagen N, Denmark.
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Seredin P, Goloshchapov D, Ippolitov Y, Vongsvivut P. Pathology-specific molecular profiles of saliva in patients with multiple dental caries-potential application for predictive, preventive and personalised medical services. EPMA J 2018; 9:195-203. [PMID: 29896318 PMCID: PMC5972136 DOI: 10.1007/s13167-018-0135-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 04/05/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Improving the quality of life is part of the global agenda. The focus is predominantly on prevention of socially significant diseases. Combating dental caries-related diseases is a top priority as it has a huge impact on people's social lives. Therefore, the purpose of the work was to study the changes in the molecular composition of saliva from subjects with multiple caries lesions using spectroscopic methods of analysis to identify potential tissue markers of caries development for predictive, preventive and personalised medical services. OBJECTIVES AND METHODS The molecular composition of mixed saliva (oral fluid) from subjects with and without multiple caries was analysed with the use of spectroscopic techniques, FTIR with synchrotron radiation for the excitation. The IR spectra of the oral fluid as well as the calculated mineral-organic, carbon-phosphate, Amide II/Amide I and protein/thiocyanate ratios were compared between subjects with and without multiple caries. RESULTS This complex analysis of the obtained experimental data determined that the molecular composition of the oral fluid from those with multiple caries differed from those without caries; the organic-mineral balance in the oral fluid of those with multiple caries shifted towards a reduction in the mineral complexes, accompanied by an increase in the organic component. The thiocyanate content increased more than twofold, accompanied by increased carboxyl groups of esters, lipids and carbohydrates. CONCLUSION The detected features in the IR spectra of mixed saliva as well as the calculated changes in the ratios between organic and inorganic components can be used as biomarkers of cariogenesis in the oral cavity, as a diagnostic criterion in the analysis of the oral fluid samples.
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Affiliation(s)
- Pavel Seredin
- Present Address: Department of Solid State Physics and Nanostructures, Voronezh State University, University sq. 1, Voronezh, 394006 Russia
| | - Dmitry Goloshchapov
- Present Address: Department of Solid State Physics and Nanostructures, Voronezh State University, University sq. 1, Voronezh, 394006 Russia
| | - Yuri Ippolitov
- Department of Pediatric Dentistry with Orthodontia, Voronezh State Medical University, Studentcheskaya st. 11, Voronezh, 394006 Russia
| | - Pimm Vongsvivut
- Australian Synchrotron (Synchrotron Light Source Australia Pty LTD), 800 Blackburn Rd, Clayton, VIC 3168 Australia
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40
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Castagnola M, Scarano E, Passali GC, Messana I, Cabras T, Iavarone F, Di Cintio G, Fiorita A, De Corso E, Paludetti G. Salivary biomarkers and proteomics: future diagnostic and clinical utilities. ACTA OTORHINOLARYNGOLOGICA ITALICA 2018; 37:94-101. [PMID: 28516971 PMCID: PMC5463528 DOI: 10.14639/0392-100x-1598] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 12/12/2016] [Indexed: 12/16/2022]
Abstract
Saliva testing is a non-invasive and inexpensive test that can serve as a source of information useful for diagnosis of disease. As we enter the era of genomic technologies and -omic research, collection of saliva has increased. Recent proteomic platforms have analysed the human salivary proteome and characterised about 3000 differentially expressed proteins and peptides: in saliva, more than 90% of proteins in weight are derived from the secretion of three couples of "major" glands; all the other components are derived from minor glands, gingival crevicular fluid, mucosal exudates and oral microflora. The most common aim of proteomic analysis is to discriminate between physiological and pathological conditions. A proteomic protocol to analyze the whole saliva proteome is not currently available. It is possible distinguish two type of proteomic platforms: top-down proteomics investigates intact naturally-occurring structure of a protein under examination; bottom-up proteomics analyses peptide fragments after pre-digestion (typically with trypsin). Because of this heterogeneity, many different biomarkers may be proposed for the same pathology. The salivary proteome has been characterised in several diseases: oral squamous cell carcinoma and oral leukoplakia, chronic graft-versus-host disease Sjögren's syndrome and other autoimmune disorders such as SAPHO, schizophrenia and bipolar disorder, and genetic diseases like Down's Syndrome and Wilson disease. The results of research reported herein suggest that in the near future human saliva will be a relevant diagnostic fluid for clinical diagnosis and prognosis.
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Affiliation(s)
- M Castagnola
- Institute of Biochemistry and Clinical Biochemistry, Catholic University, Rome, Istituto di Chimica del Riconoscimento Molecolare C.N.R. Rome, Italy
| | - E Scarano
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - G C Passali
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - I Messana
- Life and Enviromental Sciences Department, University of Cagliari, and Istituto di Chimica del Riconoscimento Molecolare C.N.R. Rome, Italy
| | - T Cabras
- Life and Enviromental Sciences Department, University of Cagliari, Italy
| | - F Iavarone
- Institute of Biochemistry and Clinical Biochemistry, Catholic University, Rome, Italy
| | - G Di Cintio
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - A Fiorita
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - E De Corso
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
| | - G Paludetti
- Department of Head and Neck Surgery, "A. Gemelli" Hospital Foundation, Catholic University, Rome, Italy
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Rabe A, Gesell Salazar M, Fuchs S, Kocher T, Völker U. Comparative analysis of Salivette® and paraffin gum preparations for establishment of a metaproteomics analysis pipeline for stimulated human saliva. J Oral Microbiol 2018; 10:1428006. [PMID: 29410770 PMCID: PMC5795648 DOI: 10.1080/20002297.2018.1428006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 01/10/2018] [Indexed: 11/30/2022] Open
Abstract
The value of saliva as a diagnostic tool can be increased by taxonomic and functional analyses of the microbiota as recently demonstrated. In this proof-of-principle study, we compare two collection methods (Salivette® (SV) and paraffin gum (PG)) for stimulated saliva from five healthy participants and present a workflow including PG preparation which is suitable for metaproteomics.
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Affiliation(s)
- Alexander Rabe
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Manuela Gesell Salazar
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Stephan Fuchs
- Department of Infectious Diseases, Division of Nosocomial Pathogens and Antibiotic Resistances, Robert Koch-Institute, Wernigerode, Germany
| | - Thomas Kocher
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry, University Medicine Greifswald, Greifswald, Germany
| | - Uwe Völker
- Interfaculty Institute for Genetics and Functional Genomics, Department of Functional Genomics, University Medicine Greifswald, Greifswald, Germany
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42
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Wang K, Wang Y, Wang X, Ren Q, Han S, Ding L, Li Z, Zhou X, Li W, Zhang L. Comparative salivary proteomics analysis of children with and without dental caries using the iTRAQ/MRM approach. J Transl Med 2018; 16:11. [PMID: 29351798 PMCID: PMC5775567 DOI: 10.1186/s12967-018-1388-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 01/15/2018] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Dental caries is a major worldwide oral disease afflicting a large proportion of children. As an important host factor of caries susceptibility, saliva plays a significant role in the occurrence and development of caries. The aim of the present study was to characterize the healthy and cariogenic salivary proteome and determine the changes in salivary protein expression of children with varying degrees of active caries, also to establish salivary proteome profiles with a potential therapeutic use against dental caries. METHODS In this study, unstimulated saliva samples were collected from 30 children (age 10-12 years) with no dental caries (NDC, n = 10), low dental caries (LDC, n = 10), and high dental caries (HDC, n = 10). Salivary proteins were extracted, reduced, alkylated, trypsin digested and labeled with isobaric tags for relative and absolute quantitation, and then they were analyzed with GO annotation, biological pathway analysis, hierarchical clustering analysis, and protein-protein interaction analysis. Targeted verifications were then performed using multiple reaction monitoring mass spectrometry. RESULTS A total of 244 differentially expressed proteins annotated with GO annotation in biological processes, cellular component and molecular function were identified in comparisons among children with varying degrees of active caries. A number of caries-related proteins as well as pathways were identified in this study. As compared with caries-free children, the most significantly enriched pathways involved by the up-regulated proteins in LDC and HDC were the ubiquitin mediated proteolysis pathway and African trypanosomiasis pathway, respectively. Subsequently, we selected 53 target proteins with differential expression in different comparisons, including mucin 7, mucin 5B, histatin 1, cystatin S and cystatin SN, basic salivary proline rich protein 2, for further verification using MRM assays. Protein-protein interaction analysis of these proteins revealed complex protein interaction networks, indicating synergistic action of salivary proteins in caries resistance or cariogenicity. CONCLUSIONS Overall, our results afford new insight into the salivary proteome of children with dental caries. These findings might have bright prospect in future in developing novel biomimetic peptides with preventive and therapeutic benefits for childhood caries.
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Affiliation(s)
- Kun Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Yufei Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Xiuqing Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Qian Ren
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Sili Han
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Longjiang Ding
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Zhongcheng Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Wei Li
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
| | - Linglin Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
- Department of Cariology and Endodontics West China Hospital of Stomatology, Sichuan University, No. 14, Section 3 of Renmin South Road, Chengdu, Sichuan China
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Džunková M, Martinez-Martinez D, Gardlík R, Behuliak M, Janšáková K, Jiménez N, Vázquez-Castellanos JF, Martí JM, D’Auria G, Bandara HMHN, Latorre A, Celec P, Moya A. Oxidative stress in the oral cavity is driven by individual-specific bacterial communities. NPJ Biofilms Microbiomes 2018; 4:29. [PMID: 30510769 PMCID: PMC6258756 DOI: 10.1038/s41522-018-0072-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 10/15/2018] [Indexed: 02/07/2023] Open
Abstract
The term "bacterial dysbiosis" is being used quite extensively in metagenomic studies, however, the identification of harmful bacteria often fails due to large overlap between the bacterial species found in healthy volunteers and patients. We hypothesized that the pathogenic oral bacteria are individual-specific and they correlate with oxidative stress markers in saliva which reflect the inflammatory processes in the oral cavity. Temporally direct and lagged correlations between the markers and bacterial taxa were computed individually for 26 volunteers who provided saliva samples during one month (21.2 ± 2.7 samples/volunteer, 551 samples in total). The volunteers' microbiomes differed significantly by their composition and also by their degree of microbiome temporal variability and oxidative stress markers fluctuation. The results showed that each of the marker-taxa pairs can have negative correlations in some volunteers while positive in others. Streptococcus mutans, which used to be associated with caries before the metagenomics era, had the most prominent correlations with the oxidative stress markers, however, these correlations were not confirmed in all volunteers. The importance of longitudinal samples collections in correlation studies was underlined by simulation of single sample collections in 1000 different combinations which produced contradictory results. In conclusion, the distinct intra-individual correlation patterns suggest that different bacterial consortia might be involved in the oxidative stress induction in each human subject. In the future, decreasing cost of DNA sequencing will allow to analyze multiple samples from each patient, which might help to explore potential diagnostic applications and understand pathogenesis of microbiome-associated oral diseases.
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Affiliation(s)
- Mária Džunková
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
- 0000 0000 9320 7537grid.1003.2Australian Centre for Ecogenomics, The University of Queensland, St Lucia, QLD Australia
| | - Daniel Martinez-Martinez
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
| | - Roman Gardlík
- 0000000109409708grid.7634.6Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Michal Behuliak
- 0000000109409708grid.7634.6Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
- 0000 0001 1015 3316grid.418095.1Institute of Physiology, Academy of Sciences of the Czech Republic, Praha, Czech Republic
| | - Katarína Janšáková
- 0000000109409708grid.7634.6Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
- 0000000109409708grid.7634.6Institute of Physiology, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Nuria Jiménez
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
| | - Jorge F. Vázquez-Castellanos
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
| | - Jose Manuel Martí
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
| | - Giuseppe D’Auria
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- grid.484129.2Sequencing and Bioinformatics Service of the Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
| | - H. M. H. N. Bandara
- 0000 0000 9320 7537grid.1003.2School of Dentistry, The University of Queensland, Herston, QLD Australia
| | - Amparo Latorre
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
| | - Peter Celec
- 0000000109409708grid.7634.6Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Andrés Moya
- grid.484129.2Department of Genomics and Health, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO-Public Health), Valencia, Spain
- CIBER in Epidemiology and Public Health (CIBEResp), Madrid, Spain
- 0000 0001 2173 938Xgrid.5338.dInstitute for Integrative Systems Biology (I2SysBio), The University of Valencia and The Spanish National Research Council (CSIC)-UVEG, Valencia, Spain
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Muth T, Kohrs F, Heyer R, Benndorf D, Rapp E, Reichl U, Martens L, Renard BY. MPA Portable: A Stand-Alone Software Package for Analyzing Metaproteome Samples on the Go. Anal Chem 2017; 90:685-689. [PMID: 29215871 PMCID: PMC5757220 DOI: 10.1021/acs.analchem.7b03544] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
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Metaproteomics,
the mass spectrometry-based analysis of proteins
from multispecies samples faces severe challenges concerning data
analysis and results interpretation. To overcome these shortcomings,
we here introduce the MetaProteomeAnalyzer (MPA) Portable software.
In contrast to the original server-based MPA application, this newly
developed tool no longer requires computational expertise for installation
and is now independent of any relational database system. In addition,
MPA Portable now supports state-of-the-art database search engines
and a convenient command line interface for high-performance data
processing tasks. While search engine results can easily be combined
to increase the protein identification yield, an additional two-step
workflow is implemented to provide sufficient analysis resolution
for further postprocessing steps, such as protein grouping as well
as taxonomic and functional annotation. Our new application has been
developed with a focus on intuitive usability, adherence to data standards,
and adaptation to Web-based workflow platforms. The open source software
package can be found at https://github.com/compomics/meta-proteome-analyzer.
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Affiliation(s)
- Thilo Muth
- Bioinformatics Unit (MF 1), Department for Methods Development and Research Infrastructure, Robert Koch Institute , 13353 Berlin, Germany
| | - Fabian Kohrs
- Bioprocess Engineering, Otto von Guericke University Magdeburg , 39106 Magdeburg, Germany
| | - Robert Heyer
- Bioprocess Engineering, Otto von Guericke University Magdeburg , 39106 Magdeburg, Germany
| | - Dirk Benndorf
- Bioprocess Engineering, Otto von Guericke University Magdeburg , 39106 Magdeburg, Germany.,Max Planck Institute for Dynamics of Complex Technical Systems , Bioprocess Engineering, 39106 Magdeburg, Germany
| | - Erdmann Rapp
- Max Planck Institute for Dynamics of Complex Technical Systems , Bioprocess Engineering, 39106 Magdeburg, Germany
| | - Udo Reichl
- Bioprocess Engineering, Otto von Guericke University Magdeburg , 39106 Magdeburg, Germany.,Max Planck Institute for Dynamics of Complex Technical Systems , Bioprocess Engineering, 39106 Magdeburg, Germany
| | - Lennart Martens
- Department of Biochemistry, Ghent University , 9000 Ghent, Belgium.,VIB-UGent Center for Medical Biotechnology, VIB , 9000 Ghent, Belgium
| | - Bernhard Y Renard
- Bioinformatics Unit (MF 1), Department for Methods Development and Research Infrastructure, Robert Koch Institute , 13353 Berlin, Germany
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45
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Proteomics and the human microbiome: where we are today and where we would like to be. Emerg Top Life Sci 2017; 1:401-409. [DOI: 10.1042/etls20170051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 10/20/2017] [Accepted: 11/06/2017] [Indexed: 11/17/2022]
Abstract
What are all these hundreds of different bacterial species doing in and on us? What interactions occur between the host and the microbes, and between the microbes themselves? By studying proteins, metaproteomics tries to find preliminary answers to these questions. There is daunting complexity around this; in fact, many of these proteins have never been studied before. This article is an introduction to the field of metaproteomics in the context of the human microbiome. It summarizes where we are and what we have learnt so far. The focus will be on faecal proteomics as most metaproteomics research has been conducted on that sample type. Metaproteomics has made major advances in the past decade, but new sample preparation strategies, improved mass spectrometric analysis and, most importantly, data analysis and interpretation have the potential to pave the way for large-cohort metaproteomics.
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46
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Herschend J, Damholt ZBV, Marquard AM, Svensson B, Sørensen SJ, Hägglund P, Burmølle M. A meta-proteomics approach to study the interspecies interactions affecting microbial biofilm development in a model community. Sci Rep 2017; 7:16483. [PMID: 29184101 PMCID: PMC5705676 DOI: 10.1038/s41598-017-16633-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 11/15/2017] [Indexed: 01/11/2023] Open
Abstract
Microbial biofilms are omnipresent in nature and relevant to a broad spectrum of industries ranging from bioremediation and food production to biomedical applications. To date little is understood about how multi-species biofilm communities develop and function on a molecular level, due to the complexity of these biological systems. Here we apply a meta-proteomics approach to investigate the mechanisms influencing biofilm formation in a model consortium of four bacterial soil isolates; Stenotrophomonas rhizophila, Xanthomonas retroflexus, Microbacterium oxydans and Paenibacillus amylolyticus. Protein abundances in community and single species biofilms were compared to describe occurring inter-species interactions and the resulting changes in active metabolic pathways. To obtain full taxonomic resolution between closely related species and empower correct protein quantification, we developed a novel pipeline for generating reduced reference proteomes for spectral database searches. Meta-proteomics profiling indicated that community development is dependent on cooperative interactions between community members facilitating cross-feeding on specific amino acids. Opposite regulation patterns of fermentation and nitrogen pathways in Paenibacillus amylolyticus and Xanthomonas retroflexus may, however, indicate that competition for limited resources also affects community development. Overall our results demonstrate the multitude of pathways involved in biofilm formation in mixed communities.
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Affiliation(s)
- Jakob Herschend
- Section of Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Zacharias B V Damholt
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
| | - Andrea M Marquard
- Section for Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark, Lyngby, Denmark
| | - Birte Svensson
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
| | - Søren J Sørensen
- Section of Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Per Hägglund
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
- Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mette Burmølle
- Section of Microbiology, Department of Biology, University of Copenhagen, Copenhagen, Denmark.
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47
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Metagenomic and metatranscriptomic analysis of saliva reveals disease-associated microbiota in patients with periodontitis and dental caries. NPJ Biofilms Microbiomes 2017; 3:23. [PMID: 28979798 PMCID: PMC5624903 DOI: 10.1038/s41522-017-0031-4] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 08/03/2017] [Accepted: 09/01/2017] [Indexed: 12/13/2022] Open
Abstract
The taxonomic composition of the salivary microbiota has been reported to differentiate between oral health and disease. However, information on bacterial activity and gene expression of the salivary microbiota is limited. The purpose of this study was to perform metagenomic and metatranscriptomic characterization of the salivary microbiota and test the hypothesis that salivary microbial presence and activity could be an indicator of the oral health status. Stimulated saliva samples were collected from 30 individuals (periodontitis: n = 10, dental caries: n = 10, oral health: n = 10). Salivary microbiota was characterized using metagenomics and metatranscriptomics in order to compare community composition and the gene expression between the three groups. Streptococcus was the predominant bacterial genus constituting approx. 25 and 50% of all DNA and RNA reads, respectively. A significant disease-associated higher relative abundance of traditional periodontal pathogens such as Porphyromonas gingivalis and Filifactor alocis and salivary microbial activity of F. alocis was associated with periodontitis. Significantly higher relative abundance of caries-associated bacteria such as Streptococcus mutans and Lactobacillus fermentum was identified in saliva from patients with dental caries. Multiple genes involved in carbohydrate metabolism were significantly more expressed in healthy controls compared to periodontitis patients. Using metagenomics and metatranscriptomics we show that relative abundance of specific oral bacterial species and bacterial gene expression in saliva associates with periodontitis and dental caries. Further longitudinal studies are warranted to evaluate if screening of salivary microbial activity of specific oral bacterial species and metabolic gene expression can identify periodontitis and dental caries at preclinical stages. Genetic analysis of saliva reveals the activity of bacteria linked to gum disease and tooth decay and may prove useful in early diagnosis. Daniel Belstrøm and colleagues at the University of Copenhagen, Denmark, with co-workers at Nanyang Technological University in Singapore, analyzed saliva from 10 patients with periodontitis gum disease, 10 with dental caries and 10 with good oral health. DNA analysis revealed which bacteria were present, while examining RNA revealed which bacterial genes were most active. The procedure identified greater abundance and activity of bacteria linked to each specific oral condition in the oral disease groups, and also found distinctive bacterial activity in those people with good oral health. Further studies should investigate the possibility of testing bacterial gene activity in saliva to identify oral diseases before they become clinically evident.
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48
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Nascimento MM, Zaura E, Mira A, Takahashi N, Ten Cate JM. Second Era of OMICS in Caries Research: Moving Past the Phase of Disillusionment. J Dent Res 2017; 96:733-740. [PMID: 28384412 DOI: 10.1177/0022034517701902] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Novel approaches using OMICS techniques enable a collective assessment of multiple related biological units, including genes, gene expression, proteins, and metabolites. In the past decade, next-generation sequencing ( NGS) technologies were improved by longer sequence reads and the development of genome databases and user-friendly pipelines for data analysis, all accessible at lower cost. This has generated an outburst of high-throughput data. The application of OMICS has provided more depth to existing hypotheses as well as new insights in the etiology of dental caries. For example, the determination of complete bacterial microbiomes of oral samples rather than selected species, together with oral metatranscriptome and metabolome analyses, supports the viewpoint of dysbiosis of the supragingival biofilms. In addition, metabolome studies have been instrumental in disclosing the contributions of major pathways for central carbon and amino acid metabolisms to biofilm pH homeostasis. New, often noncultured, oral streptococci have been identified, and their phenotypic characterization has revealed candidates for probiotic therapy. Although findings from OMICS research have been greatly informative, problems related to study design, data quality, integration, and reproducibility still need to be addressed. Also, the emergence and continuous updates of these computationally demanding technologies require expertise in advanced bioinformatics for reliable interpretation of data. Despite the obstacles cited above, OMICS research is expected to encourage the discovery of novel caries biomarkers and the development of next-generation diagnostics and therapies for caries control. These observations apply equally to the study of other oral diseases.
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Affiliation(s)
- M M Nascimento
- 1 Department of Restorative Dental Sciences, Division of Operative Dentistry, College of Dentistry, University of Florida, Gainesville, FL, USA
| | - E Zaura
- 2 Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - A Mira
- 3 Department of Health & Genomics, Center for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - N Takahashi
- 4 Department of Oral Biology, Division of Oral Ecology and Biochemistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - J M Ten Cate
- 5 Royal Netherlands Academy of Arts and Sciences (KNAW), Amsterdam, the Netherlands
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