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Leonov G, Salikhova D, Starodubova A, Vasilyev A, Makhnach O, Fatkhudinov T, Goldshtein D. Oral Microbiome Dysbiosis as a Risk Factor for Stroke: A Comprehensive Review. Microorganisms 2024; 12:1732. [PMID: 39203574 PMCID: PMC11357103 DOI: 10.3390/microorganisms12081732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2024] [Revised: 08/07/2024] [Accepted: 08/19/2024] [Indexed: 09/03/2024] Open
Abstract
Stroke represents a significant global health burden, with a substantial impact on mortality, morbidity, and long-term disability. The examination of stroke biomarkers, particularly the oral microbiome, offers a promising avenue for advancing our understanding of the factors that contribute to stroke risk and for developing strategies to mitigate that risk. This review highlights the significant correlations between oral diseases, such as periodontitis and caries, and the onset of stroke. Periodontal pathogens within the oral microbiome have been identified as a contributing factor in the exacerbation of risk factors for stroke, including obesity, dyslipidemia, atherosclerosis, hypertension, and endothelial dysfunction. The alteration of the oral microbiome may contribute to these conditions, emphasizing the vital role of oral health in the prevention of cardiovascular disease. The integration of dental and medical health practices represents a promising avenue for enhancing stroke prevention efforts and improving patient outcomes.
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Affiliation(s)
- Georgy Leonov
- Federal Research Center of Nutrition, Biotechnology and Food Safety, 109240 Moscow, Russia;
| | - Diana Salikhova
- Institute of Molecular and Cellular Medicine, RUDN University, 117198 Moscow, Russia; (D.S.); (A.V.); (T.F.)
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (O.M.); (D.G.)
| | - Antonina Starodubova
- Federal Research Center of Nutrition, Biotechnology and Food Safety, 109240 Moscow, Russia;
- Therapy Faculty, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Andrey Vasilyev
- Institute of Molecular and Cellular Medicine, RUDN University, 117198 Moscow, Russia; (D.S.); (A.V.); (T.F.)
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (O.M.); (D.G.)
- E.V. Borovsky Institute of Dentistry, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119991 Moscow, Russia
- Central Research Institute of Dental and Maxillofacial Surgery, 119021 Moscow, Russia
| | - Oleg Makhnach
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (O.M.); (D.G.)
| | - Timur Fatkhudinov
- Institute of Molecular and Cellular Medicine, RUDN University, 117198 Moscow, Russia; (D.S.); (A.V.); (T.F.)
| | - Dmitry Goldshtein
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (O.M.); (D.G.)
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Shinde DB, Mahore JG, Giram PS, Singh SL, Sharda A, Choyan D, Musale S. Microbiota of Saliva: A Non-invasive Diagnostic Tool. Indian J Microbiol 2024; 64:328-342. [PMID: 39010986 PMCID: PMC11246313 DOI: 10.1007/s12088-024-01219-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 01/30/2024] [Indexed: 07/17/2024] Open
Abstract
Potential of salivary microbiota as a non-invasive diagnostic tool for various diseases are explained in the present review. Traditional diagnostic methods rely on blood, which has limitations in terms of collection and biomarker specificity. We discuss the concept of normal flora and how disruptions in oral microbiota can be indicative of diseases. Saliva, harboring a diverse microbial community, offers promise as a diagnostic biomarker source for oral and non-oral conditions. We delve into the role of microbial dysbiosis in disease pathogenesis and the prospects of using biological indicators like dysbiosis for diagnosis, prediction, and monitoring. This review also emphasizes the significance of saliva microbiota in advancing early disease detection and timely intervention. We addressed the following research question and objectives: Can the microbiota of saliva serve as a non-invasive diagnostic tool for the early detection and monitoring of both oral and non-oral diseases? To achieve this, we will explore the normal flora of microorganisms in the oral cavity, the impact of microbial dysbiosis, and the potential of using specific pathogenic microorganisms as biomarkers. Additionally, we will investigate the correlation between oral and non-oral diseases by analyzing total saliva or site-specific dental biofilms for signs of symbiosis or dysbiosis. This research seeks to contribute valuable insights into the development of a non-invasive diagnostic approach with broad applications in healthcare.
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Affiliation(s)
- Dasharath B Shinde
- Symbiosis School of Biological Sciences (SSBS), Symbiosis International (Deemed University), Pune, 412115 India
| | - Jayashri G Mahore
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
- Sinhgad College of Pharmacy, Vadgaon (Bk.), Pune, 411041 India
| | - Prabhanjan S Giram
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
- Department of Pharmaceutical Sciences, The State University of New York, Buffalo, NY 14214 USA
| | - Shaktikumar L Singh
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
| | - Aditi Sharda
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
| | - Divya Choyan
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
| | - Shubham Musale
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune, 411018 India
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Chai X, Liu L, Chen F. Oral nitrate-reducing bacteria as potential probiotics for blood pressure homeostasis. Front Cardiovasc Med 2024; 11:1337281. [PMID: 38638884 PMCID: PMC11024454 DOI: 10.3389/fcvm.2024.1337281] [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: 11/17/2023] [Accepted: 03/12/2024] [Indexed: 04/20/2024] Open
Abstract
Hypertension is a leading cause of morbidity and mortality worldwide and poses a major risk factor for cardiovascular diseases and chronic kidney disease. Research has shown that nitric oxide (NO) is a vasodilator that regulates vascular tension and the decrease of NO bioactivity is considered one of the potential pathogenesis of essential hypertension. The L-arginine-nitric oxide synthase (NOS) pathway is the main source of endogenous NO production. However, with aging or the onset of diseases, the function of the NOS system becomes impaired, leading to insufficient NO production. The nitrate-nitrite-NO pathway allows for the generation of biologically active NO independent of the NOS system, by utilizing endogenous or dietary inorganic nitrate and nitrite through a series of reduction cycles. The oral cavity serves as an important interface between the body and the environment, and dysbiosis or disruption of the oral microbiota has negative effects on blood pressure regulation. In this review, we explore the role of oral microbiota in maintaining blood pressure homeostasis, particularly the connection between nitrate-reducing bacteria and the bioavailability of NO in the bloodstream and blood pressure changes. This review aims to elucidate the potential mechanisms by which oral nitrate-reducing bacteria contribute to blood pressure homeostasis and to highlight the use of oral nitrate-reducing bacteria as probiotics for oral microbiota intervention to prevent hypertension.
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Affiliation(s)
- Xiaofen Chai
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China
| | - Libing Liu
- Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Feng Chen
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, China
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Nam NN, Do HDK, Loan Trinh KT, Lee NY. Metagenomics: An Effective Approach for Exploring Microbial Diversity and Functions. Foods 2023; 12:2140. [PMID: 37297385 PMCID: PMC10252221 DOI: 10.3390/foods12112140] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/21/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Various fields have been identified in the "omics" era, such as genomics, proteomics, transcriptomics, metabolomics, phenomics, and metagenomics. Among these, metagenomics has enabled a significant increase in discoveries related to the microbial world. Newly discovered microbiomes in different ecologies provide meaningful information on the diversity and functions of microorganisms on the Earth. Therefore, the results of metagenomic studies have enabled new microbe-based applications in human health, agriculture, and the food industry, among others. This review summarizes the fundamental procedures on recent advances in bioinformatic tools. It also explores up-to-date applications of metagenomics in human health, food study, plant research, environmental sciences, and other fields. Finally, metagenomics is a powerful tool for studying the microbial world, and it still has numerous applications that are currently hidden and awaiting discovery. Therefore, this review also discusses the future perspectives of metagenomics.
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Affiliation(s)
- Nguyen Nhat Nam
- Biotechnology Center, School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City 87000, Vietnam
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ward 13, District 04, Ho Chi Minh City 72820, Vietnam
| | - Kieu The Loan Trinh
- Department of BioNano Technology, Gachon University 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea;
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea;
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Zhang J, Liu W, Shi L, Liu X, Wang M, Li W, Yu D, Wang Y, Zhang J, Yun K, Yan J. The Effects of Drug Addiction and Detoxification on the Human Oral Microbiota. Microbiol Spectr 2023; 11:e0396122. [PMID: 36722952 PMCID: PMC10100366 DOI: 10.1128/spectrum.03961-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/08/2022] [Indexed: 02/02/2023] Open
Abstract
Drug addiction can powerfully and chronically damage human health. Detoxification contributes to health recovery of the body. It is well established that drug abuse is associated with poor oral health in terms of dental caries and periodontal diseases. We supposed that drug addiction and detoxification might have significant effects on the oral microbiota. To test the hypothesis, we assessed the effects of drug (heroin and methylamphetamine) addiction/detoxification on the oral microbiota based on 16S rRNA gene sequencing by an observational investigation, including 495 saliva samples from participants. The oral microbial compositions differed between non-users, current and former drug users. Lower alpha diversities were observed in current drug users, with no significant differences between non-users and former drug users. Heroin and METH addiction can cause consistent variations in several specific phyla, such as the enrichment of Acidobacteria and depletion of Proteobacteria and Tenericutes. Current drug users had significantly lower relative abundances of Neisseria subflava and Haemophilus parainfluenzae compared to non-users and former drug users. The result of random forest prediction model suggested that the oral microbiota has a powerful classification potential for distinguishing current drug users from non-users and former drug users. A cooccurrence network analysis showed that current drug users had more complex oral microbial networks and lower functional modularity. Overall, our study suggested that drug addiction may damage the balance of the oral microbiota. These results may have benefits for further understanding the effects of addiction-related oral microbiota on the health of drug users and promoting the microbiota to serve as a potential tool for accurate forensic identification. IMPORTANCE Drug addiction has serious negative consequences for human health and public security. The evidence indicates that drug abuse can cause poor oral health. In the current study, we observed that drug addiction caused oral microbial dysbiosis. Detoxication have positive effects on the recovery of oral microbial community structures to some extent. Understanding the effects of drug addiction and detoxification on oral microbial communities will promote a more rational approach for recovering the oral function and health of drug users. Furthermore, specific microbial species might be considered biomarkers that could provide information regarding drug abuse status for saliva left at crime scenes. To the best of our knowledge, this is the first report on the role of the oral microbiota in drug addiction and detoxification. Our findings give new clues to understand the association between drug addiction and oral health.
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Affiliation(s)
- Jun Zhang
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Wenli Liu
- Beijing Center for Physical and Chemical Analysis, Beijing, People's Republic of China
| | - Linyu Shi
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Xu Liu
- Beijing Center for Physical and Chemical Analysis, Beijing, People's Republic of China
| | - Mengchun Wang
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Wanting Li
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Daijing Yu
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Yaya Wang
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jingjing Zhang
- Beijing Center for Physical and Chemical Analysis, Beijing, People's Republic of China
| | - Keming Yun
- Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jiangwei Yan
- Shanxi Medical University, Taiyuan, People's Republic of China
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Lu H, Zou P, Zhang Y, Zhang Q, Chen Z, Chen F. The sampling strategy of oral microbiome. IMETA 2022; 1:e23. [PMID: 38868567 PMCID: PMC10989882 DOI: 10.1002/imt2.23] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/01/2022] [Accepted: 04/15/2022] [Indexed: 06/14/2024]
Abstract
There are multiple habitats in the oral cavity with bacteria, fungi, viruses, and protozoa residing in, which together constitute the oral micro-ecosystem. These microflorae in the oral cavity primarily include saliva, supragingival dental plaque, subgingival dental plaque, submucosal plaque around implants, plaque in root canals, and plaque on the mucosal surface. The interest and knowledge of the microbiome have dynamically increased with the advancement of technology. Therefore, a reliable, feasible, and practical sampling strategy for the oral microbiome is required for the investigation. This paper introduced the sampling strategy of oral microorganisms, consisting of sample collection, transport, processing, and storage. The materials and devices involved in this study are all commonly used in clinical practice or laboratory. The feasibility and reliability of the sampling methods described in this paper have been verified by multiple studies.
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Affiliation(s)
- Hongye Lu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouChina
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijingChina
| | - Peihui Zou
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijingChina
| | - Yifei Zhang
- Central Laboratory, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital StomatologyBeijingChina
| | - Qian Zhang
- Central Laboratory, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital StomatologyBeijingChina
| | - Zhibin Chen
- Department of Periodontology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijingChina
| | - Feng Chen
- Central Laboratory, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital StomatologyBeijingChina
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