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Dombrowska-Pali A, Wiktorczyk-Kapischke N, Chrustek A, Olszewska-Słonina D, Gospodarek-Komkowska E, Socha MW. Human Milk Microbiome-A Review of Scientific Reports. Nutrients 2024; 16:1420. [PMID: 38794658 PMCID: PMC11124344 DOI: 10.3390/nu16101420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/01/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
One of the most important bioactive components of breast milk are free breast milk oligosaccharides, which are a source of energy for commensal intestinal microorganisms, stimulating the growth of Bifidobacterium, Lactobacillus, and Bacteroides in a child's digestive tract. There is some evidence that maternal, perinatal, and environmental-cultural factors influence the modulation of the breast milk microbiome. This review summarizes research that has examined the composition of the breast milk microbiome and the factors that may influence it. The manuscript highlights the potential importance of the breast milk microbiome for the future development and health of children. The origin of bacteria in breast milk is thought to include the mother's digestive tract (entero-mammary tract), bacterial exposure to the breast during breastfeeding, and the retrograde flow of breast milk from the infant's mouth to the woman's milk ducts. Unfortunately, despite increasingly more precise methods for assessing microorganisms in human milk, the topic of the human milk microbiome is still quite limited and requires scientific research that takes into account various conditions.
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Affiliation(s)
- Agnieszka Dombrowska-Pali
- Department of Perinatology, Gynecology and Gynecologic Oncology, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Łukasiewicza 1, 85-821 Bydgoszcz, Poland;
| | - Natalia Wiktorczyk-Kapischke
- Department of Microbiology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie-Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (N.W.-K.); (E.G.-K.)
| | - Agnieszka Chrustek
- Department of Pathobiochemistry and Clinical Chemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie-Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (A.C.); (D.O.-S.)
| | - Dorota Olszewska-Słonina
- Department of Pathobiochemistry and Clinical Chemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie-Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (A.C.); (D.O.-S.)
| | - Eugenia Gospodarek-Komkowska
- Department of Microbiology, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie-Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (N.W.-K.); (E.G.-K.)
| | - Maciej W. Socha
- Department of Perinatology, Gynecology and Gynecologic Oncology, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Łukasiewicza 1, 85-821 Bydgoszcz, Poland;
- Department of Obstetrics and Gynecology, St. Adalberts’s Hospital in Gdańsk, Copernicus Healthcare Entity LLC, Jana Pawła II 50, 80-462 Gdańsk, Poland
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Kageyama S, Takeshita T. Development and establishment of oral microbiota in early life. J Oral Biosci 2024:S1349-0079(24)00084-7. [PMID: 38703995 DOI: 10.1016/j.job.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/06/2024]
Abstract
BACKGROUND The oral microbiota has recently attracted attention owing to its association with oral and systemic diseases. Accordingly, gaining an understanding of oral microbiota development and the factors influencing it can contribute to preventing the establishment of dysbiotic oral microbiota and, eventually, oral microbiota-related diseases. HIGHLIGHT In this review, we highlight the results of a longitudinal project focusing on oral microbiota development during early life. At 4 months of age, the oral microbiota of infants was found to differ considerably from the maternal oral microbiota, even though infants acquire oral bacteria from their mothers. At 18 months, although the infant microbiota is still not completely comparable with that of adults, from 4 to 18 months, there is a rapid phase of development, during which the microbial composition undergoes considerable change to a profile more similar to that in adults. During this development, the infant oral microbiota converges into two different profiles with adult-like traits, namely, Streptococcus salivarius- and Neisseria-dominant profiles. This divergence is strongly influenced by dietary habits, with a frequent intake of sweetened beverages being associated with an S. salivarius-dominant profile, which is suspected to be implicated in oral and systemic diseases. CONCLUSION The foundation of the adult oral microbiota may be established by 18 months of age, and the developmental period from 4 to 18 months may be an appropriate period during which to modify the microbial balance to obtain a desirable healthy state. In particular, dietary habits during this period warrant close attention.
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Affiliation(s)
- Shinya Kageyama
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan.
| | - Toru Takeshita
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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Zheng Y, Yang Y, Liu X, Liu P, Li X, Zhang M, Zhou E, Zhao Z, Wang X, Zhang Y, Zheng B, Yan Y, Liu Y, Xu D, Cao L. Accelerated corrosion of 316L stainless steel in a simulated oral environment via extracellular electron transfer and acid metabolites of subgingival microbiota. Bioact Mater 2024; 35:56-66. [PMID: 38283387 PMCID: PMC10810744 DOI: 10.1016/j.bioactmat.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/26/2023] [Accepted: 01/08/2024] [Indexed: 01/30/2024] Open
Abstract
316L stainless steel (SS) is widely applied as microimplant anchorage (MIA) due to its excellent mechanical properties. However, the risk that the oral microorganisms can corrode 316L SS is fully neglected. Microbiologically influenced corrosion (MIC) of 316L SS is essential to the health and safety of all patients because the accelerated corrosion caused by the oral microbiota can trigger the release of Cr and Ni ions. This study investigated the corrosion behavior and mechanism of subgingival microbiota on 316L SS by 16S rRNA and metagenome sequencing, electrochemical measurements, and surface characterization techniques. Multispecies biofilms were formed by the oral subgingival microbiota in the simulated oral anaerobic environment on 316L SS surfaces, significantly accelerating the corrosion in the form of pitting. The microbiota samples collected from the subjects differed in biofilm compositions, corrosion behaviors, and mechanisms. The oral subgingival microbiota contributed to the accelerated corrosion of 316L SS via acidic metabolites and extracellular electron transfer. Our findings provide a new insight into the underlying mechanisms of oral microbial corrosion and guide the design of oral microbial corrosion-resistant materials.
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Affiliation(s)
- Ying Zheng
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yi Yang
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
| | - Xianbo Liu
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Pan Liu
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
| | - Xiangyu Li
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
| | - Mingxing Zhang
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
| | - Enze Zhou
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
| | - Zhenjin Zhao
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Xue Wang
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yuanyuan Zhang
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Bowen Zheng
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yuwen Yan
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yi Liu
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Dake Xu
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang, China
- Electrobiomaterials Institute, Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang, China
| | - Liu Cao
- College of Basic Medical Sciences, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
- Institute of Health Sciences, China Medical University, Shenyang, China
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Eriksen C, Boustedt K, Sonne SB, Dahlgren J, Kristiansen K, Twetman S, Brix S, Roswall J. Early life factors and oral microbial signatures define the risk of caries in a Swedish cohort of preschool children. Sci Rep 2024; 14:8463. [PMID: 38605085 PMCID: PMC11009336 DOI: 10.1038/s41598-024-59126-z] [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: 10/01/2023] [Accepted: 04/08/2024] [Indexed: 04/13/2024] Open
Abstract
The oral cavity harbors complex communities comprising bacteria, archaea, fungi, protozoa, and viruses. The oral microbiota is establish at birth and develops further during childhood, with early life factors such as birth mode, feeding practices, and oral hygiene, reported to influence this development and the susceptibility to caries. We here analyzed the oral bacterial composition in saliva of 260 Swedish children at two, three and five years of age using 16S rRNA gene profiling to examine its relation to environmental factors and caries development at five years of age. We were able to assign the salivary bacterial community in each child at each time point to one of seven distinct clusters. We observed an individual dynamic in the development of the oral microbiota related to early life factors, such as being first born, born by C-section, maternal perinatal antibiotics use, with a distinct transition between three and five years of age. Different bacterial signatures depending on age were related to increased caries risk, while Peptococcus consistently linked to reduced risk of caries development.
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Affiliation(s)
- Carsten Eriksen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Katarina Boustedt
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Maxillofacial Unit, Halland Hospital, Halmstad, Sweden
| | - Si Brask Sonne
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Jovanna Dahlgren
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Pediatrics, Queen Silvia Children's Hospital, Västra Götalandsregionen, Gothenburg, Sweden
| | - Karsten Kristiansen
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen, Denmark.
- BGI-Shenzhen, Shenzhen, 518083, China.
- Qingdao-Europe Advanced Institute for Life Sciences, Qingdao, 266555, Shandong, China.
| | - Svante Twetman
- Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Susanne Brix
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark.
| | - Josefine Roswall
- Department of Paediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
- Department of Paediatrics, Halland Hospital, Halmstad, Sweden.
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Liu J, Zhang X, Zhao Q, Mu X, Yang C, Ning Y, Xiong X, Qin X, Chen L. Effects of oropharyngeal administration of own mother's milk on oral microbial colonization in very low birth weight infants fed by gastric tube: A randomized controlled trial. Immun Inflamm Dis 2024; 12:e1247. [PMID: 38629781 PMCID: PMC11022609 DOI: 10.1002/iid3.1247] [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: 10/04/2023] [Revised: 03/10/2024] [Accepted: 03/31/2024] [Indexed: 04/19/2024] Open
Abstract
AIMS The aim of the present study was to explore the effect of oropharyngeal mother's milk administration on oral microbial colonization in infants fed by gastric tube at different time points. METHODS Infants (n = 116) with birth weight <1500 g were randomly allocated into two groups which both received breast milk for enteral nutrition. The control group (n = 51) accepted oropharyngeal normal saline administration. The experimental group (n = 53) accepted oropharyngeal mother's milk administration before fed by gastric tube once every 3 h over 21 days after birth. We analyzed the oral microbiota at initiation and 7 and 14 and 21 days later using 16S DNA amplicon sequencing. RESULTS There were no difference in oral microbial diversity between the two groups at any time point, but diversity decreased significantly over time in both groups. On the first day of life, the oral microbiota of the infant in the experimental and control groups consisted mainly of Firmicutes (7.75%, 6.18%) and Proteobacteria (68.65%, 68.69%), respectively. As time increases to 21 days after birth, Firmicutes (77.67%, 77.66%) had replaced Proteobacteria (68.65%, 68.69%) as the predominant phylum. DISCUSSION From birth to 21 days after birth, oropharyngeal mother's milk administration did not change the diversity and structural composition of the oral microbiota. The oral microbial diversity of infants declined significantly over time. Firmicutes had replaced Proteobacteria as the predominant phylum.
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Affiliation(s)
- Jie Liu
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Xiyang Zhang
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Qian Zhao
- School of NursingShanxi University of Chinese MedicineTaiyuanShanxiChina
| | - Xiaohe Mu
- Department of Critical care medicineShaanxi Province Kangfu HospitalXi'anChina
| | - Chuanzhong Yang
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Yan Ning
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Xiaoyun Xiong
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Xiaoling Qin
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
| | - Lilian Chen
- Department of Traditional Chinese Medicine Gynecology, Pediatric Neurorehabilitation Department, Department of NeonatologyShenzhen Maternity and Child Healthcare HospitalShenzhenChina
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Buetas E, Jordán-López M, López-Roldán A, D'Auria G, Martínez-Priego L, De Marco G, Carda-Diéguez M, Mira A. Full-length 16S rRNA gene sequencing by PacBio improves taxonomic resolution in human microbiome samples. BMC Genomics 2024; 25:310. [PMID: 38528457 DOI: 10.1186/s12864-024-10213-5] [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: 01/09/2024] [Accepted: 03/11/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Sequencing variable regions of the 16S rRNA gene (≃300 bp) with Illumina technology is commonly used to study the composition of human microbiota. Unfortunately, short reads are unable to differentiate between highly similar species. Considering that species from the same genus can be associated with health or disease it is important to identify them at the lowest possible taxonomic rank. Third-generation sequencing platforms such as PacBio SMRT, increase read lengths allowing to sequence the whole gene with the maximum taxonomic resolution. Despite its potential, full length 16S rRNA gene sequencing is not widely used yet. The aim of the current study was to compare the sequencing output and taxonomic annotation performance of the two approaches (Illumina short read sequencing and PacBio long read sequencing of 16S rRNA gene) in different human microbiome samples. DNA from saliva, oral biofilms (subgingival plaque) and faeces of 9 volunteers was isolated. Regions V3-V4 and V1-V9 were amplified and sequenced by Illumina Miseq and by PacBio Sequel II sequencers, respectively. RESULTS With both platforms, a similar percentage of reads was assigned to the genus level (94.79% and 95.06% respectively) but with PacBio a higher proportion of reads were further assigned to the species level (55.23% vs 74.14%). Regarding overall bacterial composition, samples clustered by niche and not by sequencing platform. In addition, all genera with > 0.1% abundance were detected in both platforms for all types of samples. Although some genera such as Streptococcus tended to be observed at higher frequency in PacBio than in Illumina (20.14% vs 14.12% in saliva, 10.63% vs 6.59% in subgingival plaque biofilm samples) none of the differences were statistically significant when correcting for multiple testing. CONCLUSIONS The results presented in the current manuscript suggest that samples sequenced using Illumina and PacBio are mostly comparable. Considering that PacBio reads were assigned at the species level with higher accuracy than Illumina, our data support the use of PacBio technology for future microbiome studies, although a higher cost is currently required to obtain an equivalent number of reads per sample.
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Affiliation(s)
- Elena Buetas
- Genomics & Health Department, FISABIO Foundation, Valencia, Spain
| | - Marta Jordán-López
- Department of Periodontics, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Andrés López-Roldán
- Department of Periodontics, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Giuseppe D'Auria
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | - Llucia Martínez-Priego
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | - Griselda De Marco
- Sequencing and Bioinformatics Service, Fundació Per Al Foment de La Investigació Sanitària I Biomèdica de La Comunitat Valenciana (FISABIO-Salut Pública), València, Spain
| | | | - Alex Mira
- Genomics & Health Department, FISABIO Foundation, Valencia, Spain
- CIBER Center for Epidemiology and Public Health, Madrid, Spain
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Liu Y, Wang C, Xie L, Du S, Ding L, Cui Y, Chen R, Zhang J, Wang W, Liu X, Wang Y, Chen S, Tan T, Zhao Q, Yin L, Li C, Chen Y, Ding T. Metagenomics analysis identifies oral Streptococcus as potential biomarkers for nasopharyngeal carcinoma. J Genet Genomics 2024; 51:363-366. [PMID: 37977508 DOI: 10.1016/j.jgg.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Affiliation(s)
- Yanmin Liu
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Chengtao Wang
- Department of Radiation Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Lixiang Xie
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Shuling Du
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Li Ding
- Department of Infectious Diseases, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Ying Cui
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Runzhi Chen
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Jingxiang Zhang
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Wan Wang
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Xi Liu
- Department of Infectious Diseases, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Yan Wang
- Department of Radiation Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Shiyan Chen
- Department of Endocrinology & Metabolism, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong 519000, China
| | - Tian Tan
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Qiaochu Zhao
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Limei Yin
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China
| | - Chunwei Li
- Department of Otolaryngology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Yong Chen
- Department of Radiation Oncology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Tao Ding
- Department of Immunology and Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, Guangdong 510080, China.
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8
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Žiemytė M, Lopez-Roldan A, Carda-Diéguez M, Reglero-Santaolaya M, Rodriguez A, Ferrer MD, Mira A. Personalized antibiotic selection in periodontal treatment improves clinical and microbiological outputs. Front Cell Infect Microbiol 2023; 13:1307380. [PMID: 38179425 PMCID: PMC10765594 DOI: 10.3389/fcimb.2023.1307380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/29/2023] [Indexed: 01/06/2024] Open
Abstract
Introduction Periodontitis is a biofilm-mediated disease that is usually treated by non-surgical biofilm elimination with or without antibiotics. Antibiotic treatment in periodontal patients is typically selected empirically or using qPCR or DNA hybridization methods. These approaches are directed towards establishing the levels of different periodontal pathogens in periodontal pockets to infer the antibiotic treatment. However, current methods are costly and do not consider the antibiotic susceptibility of the whole subgingival biofilm. Methods In the current manuscript, we have developed a method to culture subgingival samples ex vivo in a fast, label-free impedance-based system where biofilm growth is monitored in real-time under exposure to different antibiotics, producing results in 4 hours. To test its efficacy, we performed a double-blind, randomized clinical trial where patients were treated with an antibiotic either selected by the hybridization method (n=32) or by the one with the best effect in the ex vivo growth system (n=32). Results Antibiotic selection was different in over 80% of the cases. Clinical parameters such as periodontal pocket depth, attachment level, and bleeding upon probing improved in both groups. However, dental plaque was significantly reduced only in the group where antibiotics were selected according to the ex vivo growth. In addition, 16S rRNA sequencing showed a larger reduction in periodontal pathogens and a larger increase in health-associated bacteria in the ex vivo growth group. Discussion The results of clinical and microbiological parameters, together with the reduced cost and low analysis time, support the use of the impedance system for improved individualized antibiotic selection.
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Affiliation(s)
- Miglė Žiemytė
- Genomics & Health Department, Foundation for the Promotion of Health and Biomedical Research of the Valencian Community (FISABIO) Foundation, Valencia, Spain
| | - Andrés Lopez-Roldan
- Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Miguel Carda-Diéguez
- Genomics & Health Department, Foundation for the Promotion of Health and Biomedical Research of the Valencian Community (FISABIO) Foundation, Valencia, Spain
| | - Marta Reglero-Santaolaya
- Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Ana Rodriguez
- Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - María D. Ferrer
- Genomics & Health Department, Foundation for the Promotion of Health and Biomedical Research of the Valencian Community (FISABIO) Foundation, Valencia, Spain
| | - Alex Mira
- Genomics & Health Department, Foundation for the Promotion of Health and Biomedical Research of the Valencian Community (FISABIO) Foundation, Valencia, Spain
- School of Health and Welfare, Jönköping University, Jönköping, Sweden
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9
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Vanzele PAR, Sparvoli LG, de Camargo PP, Tragante CR, Beozzo GPNS, Krebs VLJ, Cortez RV, Taddei CR. Establishment of oral microbiome in very low birth weight infants during the first weeks of life and the impact of oral diet implementation. PLoS One 2023; 18:e0295962. [PMID: 38100452 PMCID: PMC10723731 DOI: 10.1371/journal.pone.0295962] [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: 08/30/2023] [Accepted: 12/02/2023] [Indexed: 12/17/2023] Open
Abstract
Very low birth weight (VLBW) infants, mostly preterm, have many barriers to feeding directly from the mother's breast, and need to be fed alternatively. Feeding is a major influencer in oral microbial colonization, and this colonization in early life is crucial for the promotion of human health. Therefore, this research aimed to observe the establishment of oral microbiome in VLBW infants during their first month of life through hospitalization, and to verify the impact caused by the implementation of oral diet on the colonization of these newborns. We included 23 newborns followed during hospitalization and analyzed saliva samples collected weekly, using 16S rRNA gene sequencing. We observed a significant decrease in richness and diversity and an increase in dominance over time (q-value < 0.05). The oral microbiome is highly dynamic during the first weeks of life, and beta diversity suggests a microbial succession in early life. The introduction of oral diet does not change the community structure, but affects the abundance, especially of Streptococcus. Our results indicate that although time is related to significant changes in the oral microbial profile, oral feeding benefits genera that will remain colonizers throughout the host's life.
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Affiliation(s)
- Pedro A. R. Vanzele
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Luiz Gustavo Sparvoli
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Patricia P. de Camargo
- Neonatal Intensive Care Center, Children’s Institute, Hospital das Clínicas, São Paulo Medical School, University of São Paulo, São Paulo, SP, Brazil
| | - Carla R. Tragante
- Neonatal Intensive Care Center, Children’s Institute, Hospital das Clínicas, São Paulo Medical School, University of São Paulo, São Paulo, SP, Brazil
| | - Glenda P. N. S. Beozzo
- Neonatal Intensive Care Center, Children’s Institute, Hospital das Clínicas, São Paulo Medical School, University of São Paulo, São Paulo, SP, Brazil
| | - Vera L. J. Krebs
- Neonatal Intensive Care Center, Children’s Institute, Hospital das Clínicas, São Paulo Medical School, University of São Paulo, São Paulo, SP, Brazil
| | - Ramon V. Cortez
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Carla R. Taddei
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
- School of Arts, Sciences and Humanity, University of São Paulo, São Paulo, SP, Brazil
- Division of Clinical Laboratory, University Hospital ‐ University of São Paulo, São Paulo, SP, Brazil
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10
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Zhou S, He TC, Zhang Y, Zhang H. Comparison of the main pathogenic microorganisms of various common oral diseases in children and adults. PEDIATRIC DISCOVERY 2023; 1:e35. [PMID: 38371743 PMCID: PMC10874635 DOI: 10.1002/pdi3.35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/12/2023] [Indexed: 02/20/2024]
Abstract
The microorganisms in the human body gradually change and maintain a dynamic balance with the development of physiology and pathology. Oral microbiota is one of the most important microbiota in human body. It is not only closely related to the occurrence and development of oral diseases, but also plays an important role in the overall health. In childhood, the population of oral microorganisms is relatively small, but with the growth of age and tooth development, the species and quantity of oral microorganisms are gradually increasing. Different oral diseases also have their corresponding main microorganisms, and these dominant microorganisms change at different stages of the disease. In this review, we summarized and compared the main pathogenic microorganisms of several common oral diseases in children and adults. In addition, the possible association and difference between adults and children of the main pathogenic microorganisms in different stages of the same or different diseases are also discussed in order to provide research data for the development and diagnosis of common oral diseases in children and adults.
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Affiliation(s)
- Siqi Zhou
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
- Department of Pediatric Dentistry, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, Illinois, USA
| | - Yuxin Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
- Department of Pediatric Dentistry, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
| | - Hongmei Zhang
- Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
- Department of Pediatric Dentistry, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
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11
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Azevedo MJ, Garcia A, Costa CF, Ferreira AF, Falcão-Pires I, Brandt BW, Ramalho C, Zaura E, Sampaio-Maia B. The contribution of maternal factors to the oral microbiota of the child: Influence from early life and clinical relevance. JAPANESE DENTAL SCIENCE REVIEW 2023; 59:191-202. [PMID: 37415593 PMCID: PMC10320028 DOI: 10.1016/j.jdsr.2023.06.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 05/24/2023] [Accepted: 06/09/2023] [Indexed: 07/08/2023] Open
Abstract
The mother represents one of the earliest sources of microorganisms to the child, influencing the acquisition and establishment of its microbiota in early life. However, the impact of the mother on the oral microbiota of the child from early life until adulthood remains to unveil. This narrative review aims to: i) explore the maternal influence on the oral microbiota of the child, ii) summarize the similarity between the oral microbiota of mother and child over time, iii) understand possible routes for vertical transmission, and iv) comprehend the clinical significance of this process for the child. We first describe the acquisition of the oral microbiota of the child and maternal factors related to this process. We compare the similarity between the oral microbiota of mother and child throughout time, while presenting possible routes for vertical transmission. Finally, we discuss the clinical relevance of the mother in the pathophysiological outcome of the child. Overall, maternal and non-maternal factors impact the oral microbiota of the child through several mechanisms, although the consequences in the long term are still unclear. More longitudinal research is needed to unveil the importance of early-life microbiota on the future health of the infant.
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Affiliation(s)
- Maria João Azevedo
- INEB - Instituto Nacional de Engenharia Biomédica, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- Academic Center for Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit Amsterdam, the Netherlands
| | - Andreia Garcia
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, Faculdade de Farmácia, Universidade do Porto, Portugal
- UCIBIO – Applied Molecular Biosciences Unit, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Portugal
- Faculdade de Farmácia, Universidade do Porto, Portugal
| | - Carolina F.F.A. Costa
- INEB - Instituto Nacional de Engenharia Biomédica, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Portugal
| | - Ana Filipa Ferreira
- Cardiovascular R&D Centre – UnIC@RISE, Department of Surgery and Physiology, Faculdade de Medicina, Universidade do Porto, Portugal
| | - Inês Falcão-Pires
- Cardiovascular R&D Centre – UnIC@RISE, Department of Surgery and Physiology, Faculdade de Medicina, Universidade do Porto, Portugal
| | - Bernd W. Brandt
- Academic Center for Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit Amsterdam, the Netherlands
| | - Carla Ramalho
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- Department of Obstetrics-Gynecology and Pediatrics, Faculdade de Medicina, Universidade do Porto, Portugal
- Centro Hospitalar Universitário de São João, Porto, Portugal
| | - Egija Zaura
- Academic Center for Dentistry Amsterdam, University of Amsterdam and Vrije Universiteit Amsterdam, the Netherlands
| | - Benedita Sampaio-Maia
- INEB - Instituto Nacional de Engenharia Biomédica, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- Faculdade de Medicina Dentária, Universidade do Porto, Portugal
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12
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Switzer AD, Callahan BJ, Costello EK, Bik EM, Fontaine C, Gulland FMD, Relman DA. Rookery through rehabilitation: Microbial community assembly in newborn harbour seals after maternal separation. Environ Microbiol 2023; 25:2182-2202. [PMID: 37329141 DOI: 10.1111/1462-2920.16444] [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: 09/05/2022] [Accepted: 05/22/2023] [Indexed: 06/18/2023]
Abstract
Microbial community assembly remains largely unexplored in marine mammals, despite its potential importance for conservation and management. Here, neonatal microbiota assembly was studied in harbour seals (Phoca vitulina richardii) at a rehabilitation facility soon after maternal separation, through weaning, to the time of release back to their native environment. We found that the gingival and rectal communities of rehabilitated harbour seals were distinct from the microbiotas of formula and pool water, and became increasingly diverse and dissimilar over time, ultimately resembling the gingival and rectal communities of local wild harbour seals. Harbour seal microbiota assembly was compared to that of human infants, revealing the rapid emergence of host specificity and evidence of phylosymbiosis even though these harbour seals had been raised by humans. Early life prophylactic antibiotics were associated with changes in the composition of the harbour seal gingival and rectal communities and surprisingly, with transient increases in alpha diversity, perhaps because of microbiota sharing during close cohabitation with other harbour seals. Antibiotic-associated effects dissipated over time. These results suggest that while early life maternal contact may provide seeding for microbial assembly, co-housing of conspecifics during rehabilitation may help neonatal mammals achieve a healthy host-specific microbiota with features of resilience.
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Affiliation(s)
- Alexandra D Switzer
- Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA
| | - Benjamin J Callahan
- Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
- Department of Statistics, Stanford University, Stanford, California, USA
| | - Elizabeth K Costello
- Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
| | | | | | - Frances M D Gulland
- The Marine Mammal Center, Sausalito, California, USA
- Wildlife Health Center, School of Veterinary Medicine, University of California at Davis, Davis, California, USA
| | - David A Relman
- Department of Medicine, Stanford University School of Medicine, Stanford, California, USA
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA
- Infectious Diseases Section, VA Palo Alto Health Care System, Palo Alto, California, USA
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13
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Cabanero-Navalon MD, Garcia-Bustos V, Mira A, Moral Moral P, Salavert-Lleti M, Forner Giner MJ, Núñez Beltrán M, Todolí Parra J, Bracke C, Carda-Diéguez M. Dysimmunity in common variable immunodeficiency is associated with alterations in oral, respiratory, and intestinal microbiota. Clin Immunol 2023; 256:109796. [PMID: 37774905 DOI: 10.1016/j.clim.2023.109796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 07/10/2023] [Accepted: 09/25/2023] [Indexed: 10/01/2023]
Abstract
Common variable immunodeficiency (CVID) is the most common symptomatic primary immunodeficiency characterized by decreased immunoglobulins and recurrent infections. Its aetiology remains unknown, and some patients present with severe non-infectious autoimmune or inflammatory complications with elevated associated morbimortality. Recently, intestinal dysbiosis has been proposed as a driver of immune dysregulation. In this study, we assessed the oral, respiratory, and gastrointestinal microbiota of 41 CVID patients (24 with dysimmune and 17 with infection complications) and 15 healthy volunteers using 16S rRNA gene sequencing to explore associations between microbiome profiles and CVID phenotypes. Profound differences in the composition of the microbiota in saliva, sputum, and stool were detected between dysimmune CVID patients and healthy individuals. Globally, respiratory species diversity and faecal bacterial richness were lower in CVID individuals with immune complications. Although a single species could not be identified as a robust predictor of dysimmunity, a combination of around 5-7 bacterial species in each type of sample could predict this severe phenotype with an accuracy of around 90% in the study population. Our study provides new insights into these previously unexplored but highly interrelated ecological niches among themselves and with patient profiles. Our data suggest that this disease-related systemic dysbiosis could be implicated in the immune dysregulation associated with severe cases of CVID.
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Affiliation(s)
- Marta Dafne Cabanero-Navalon
- Primary Immune Deficiencies Unit, Department of Internal Medicine, University and Polytechnic Hospital La Fe, Valencia, Spain; Research Group of Chronic Diseases and HIV Infection, Health Research Institute La Fe, Valencia, Spain
| | - Victor Garcia-Bustos
- Primary Immune Deficiencies Unit, Department of Internal Medicine, University and Polytechnic Hospital La Fe, Valencia, Spain; Severe Infection Research Group, Health Research Institute La Fe, Valencia, Spain.
| | - Alex Mira
- Genomics & Health Department, FISABIO Foundation, Valencia, Spain
| | - Pedro Moral Moral
- Primary Immune Deficiencies Unit, Department of Internal Medicine, University and Polytechnic Hospital La Fe, Valencia, Spain; Research Group of Chronic Diseases and HIV Infection, Health Research Institute La Fe, Valencia, Spain
| | - Miguel Salavert-Lleti
- Severe Infection Research Group, Health Research Institute La Fe, Valencia, Spain; Unit of Infectious Diseases, Department of Internal Medicine of the University and Polytechnic Hospital La Fe, Valencia, Spain
| | | | - María Núñez Beltrán
- Primary Immune Deficiencies Unit, Department of Internal Medicine, University and Polytechnic Hospital La Fe, Valencia, Spain
| | - José Todolí Parra
- Primary Immune Deficiencies Unit, Department of Internal Medicine, University and Polytechnic Hospital La Fe, Valencia, Spain; Research Group of Chronic Diseases and HIV Infection, Health Research Institute La Fe, Valencia, Spain
| | - Carme Bracke
- Department of Infectious Diseases, Germans Trias i Pujol Hospital, Badalona, Spain
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14
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Kageyama S, Ma J, Furuta M, Takeshita T, Asakawa M, Okabe Y, Yamashita Y. Establishment of tongue microbiota by 18 months of age and determinants of its microbial profile. mBio 2023; 14:e0133723. [PMID: 37819142 PMCID: PMC10653898 DOI: 10.1128/mbio.01337-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 09/07/2023] [Indexed: 10/13/2023] Open
Abstract
IMPORTANCE Understanding the development of oral microbiota early in life and the factors that influence it is important for preventing the establishment of dysbiotic oral microbiota later in life. This study demonstrates that the tongue microbiota undergoes early development from 4 to 18 months of age and converges into two types of microbiota showing indications of adult characteristics, with either S. salivarius or Neisseria-dominance. Interestingly, their divergence was strongly determined by their weaning status and the dietary frequencies of sweetened beverages, snacks, and fruits, suggesting that dietary habits during this period might influence the establishment of the oral microbiota. These findings may contribute to the development of novel preventive strategies against oral microbiota-related diseases.
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Affiliation(s)
- Shinya Kageyama
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Jiale Ma
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Michiko Furuta
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Toru Takeshita
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
- OBT Research Center, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Mikari Asakawa
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yuka Okabe
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yoshihisa Yamashita
- Section of Preventive and Public Health Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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15
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Karadayı B, Karaismailoğlu B, Karadayı S, Arslan A, Gözen ED, Özbek T. The uselessness of using salivary microbiota in forensic identification purposes of a person with recent antibiotic use. Leg Med (Tokyo) 2023; 69:102338. [PMID: 37884410 DOI: 10.1016/j.legalmed.2023.102338] [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: 06/16/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023]
Abstract
The detection of microbial flora changes in saliva samples because of antibiotic use through advanced molecular genetic analysis is important for forensic and clinical applications. This study aims to reveal the variability in the microbial structure of human saliva after antibiotic use with metagenomic analysis techniques from a forensic point of view. Within the scope of the study, saliva samples were collected from patients who were under the effect of regional anesthesia to be administered a standardized course of antibiotic therapy that lasted for a week. The analysis was conducted on 56 saliva samples from 14 individuals over four different time intervals. Isolation of the 16S rRNA region and PCR analysis were performed prior to sequence analysis to determine the microbiome structure of the samples at phylum, genus, and species levels. As expected, changes were observed in bacterial species found in saliva samples after administration of antibiotics and this was linked to the specific type of antibiotics that were administered. This change was statistically significant for Firmicutes, Spirochetes, and Verrucomicrobiota. Furthermore, although the oral microbiome tends to return to its former state at the phylum and genus level within a 4-week period after the start of antibiotic use, it is observed that the change, especially in some bacterial species, still continues. The findings of this study show that because of the inability of stabilization at species-level in a period of 4 weeks from the start of antibiotic use, it is not suitable to assess saliva samples at species-level for forensic identification.
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Affiliation(s)
- Beytullah Karadayı
- Department of Forensic Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpaşa, Istanbul, Turkey.
| | - Bedri Karaismailoğlu
- Department of Orthopaedics and Traumatology, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpaşa, Istanbul, Turkey.
| | - Sukriye Karadayı
- Department of Medical Laboratory Techniques, Altınbaş University, Istanbul, Turkey.
| | - Ali Arslan
- Department of Molecular Biology and Genetics, Faculty of Arts and Science, Yıldız Technical University, Istanbul, Turkey.
| | - Emine Deniz Gözen
- Department of Otorhinolaryngology, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpaşa, Istanbul, Turkey.
| | - Tülin Özbek
- Department of Molecular Biology and Genetics, Faculty of Arts and Science, Yıldız Technical University, Istanbul, Turkey.
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16
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Russo M, Calevo MG, D'Alessandro G, Tantari M, Migliorati M, Piccardo I, Perucchin PP, Arioni C. Influence of maternal oral microbiome on newborn oral microbiome in healthy pregnancies. Ital J Pediatr 2023; 49:140. [PMID: 37840153 PMCID: PMC10577932 DOI: 10.1186/s13052-023-01520-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 08/28/2023] [Indexed: 10/17/2023] Open
Abstract
BACKGROUND Periodontal disease and its bacteria can be responsible for pregnancy complications and transmission of periodontal bacteria from mother to newborn. METHODS A salivary swab to 60 healthy, full-term newborns and their mothers was taken immediately after birth. The test was performed with Real Time PCR method to evaluate the expression of the gene through DNA amplification. The species considered were: Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Prevotella intermedia and Fusobacterium nucleatum ssp. RESULTS The newborn oral microbiome was composed primarily by saprophytes (98.38 + 4.88%), just like the mothers (98.8 + 3.69%). There was a statistically significant difference of the total microbiological density in newborns and mothers (p = 0.0001). Maternal and neonatal oral microbiome had a correlated total microbiological density only in 33.3% (N = 20/60) of cases. The analysis of the oral microbiome showed a pathological composition only in 12/60 babies (20%). The most frequent detected specie in newborns was Fusobacterium nucleatum (9/12 babies, 75%), as well as for the mothers (53.3%). However, the pathogen was present both in baby and his mother only in 3 dyads. Porphyromonas gingivalis showed the highest association mother-baby (4/12 dyads, 33%). Porphyromonas gingivalis was the pathogen with the highest bacterial load in the 12 mothers. We found a statistically significant difference in the total load of Porphyromonas gingivalis in mothers and babies (p = 0.02). CONCLUSIONS There was a statistically significant difference in the richness of the microbiome from newborns and mothers. Even comparing the microbiological density in the oral cavity of the individual mother-child pairs, we did not find a significant concordance. These results seem to suggest a low influence of maternal oral microbiome on the richness of the oral neonatal one. We didn't find mother-child concordance (p = 0.0001) in the presence of pathogenic periodontal micro-organisms. Fusobacterium nucleatum was the most frequent specie detected. Porphyromonas gingivalis instead was the bacteria with the higher possibility of transmission. In conclusion in our study maternal oral health doesn't affect healthy, full-term newborns' oral microbiome. Further studies are needed to understand the maternal influence on newborn's oral microbiome and its effects on babies long-term health.
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Affiliation(s)
- Monica Russo
- Operative Unit of Neonatology, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, Genoa, 16132, Italy.
| | - Maria Grazia Calevo
- Epidemiology and Biostatistics Unit, Scientific Direction, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Gloria D'Alessandro
- Academy Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Matteo Tantari
- Academy Unit of Obstetrics and Gynecology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Marco Migliorati
- Department of Surgical Sciences and Integrated Diagnostics (DISC). Orthodontics Department, Genoa University, Genoa, Italy
| | - Ilaria Piccardo
- Department of Surgical Sciences and Integrated Diagnostics (DISC). Orthodontics Department, Genoa University, Genoa, Italy
| | - Paola Polo Perucchin
- Operative Unit of Neonatology, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, Genoa, 16132, Italy
| | - Cesare Arioni
- Operative Unit of Neonatology, IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, Genoa, 16132, Italy
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17
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Galvin S, Anishchuk S, Healy CM, Moran GP. Smoking, tooth loss and oral hygiene practices have significant and site-specific impacts on the microbiome of oral mucosal surfaces: a cross-sectional study. J Oral Microbiol 2023; 15:2263971. [PMID: 37795170 PMCID: PMC10547447 DOI: 10.1080/20002297.2023.2263971] [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: 04/18/2023] [Accepted: 09/13/2023] [Indexed: 10/06/2023] Open
Abstract
We investigated bacterial colonisation patterns of healthy mucosa (buccal, tongue, palate and floor of mouth) in a cohort of adults in order to determine how smoking, tooth loss, plaque levels and oral hygiene practices impacted on mucosal colonisation. A total of 322 swabs were recovered from 256 participants, of whom 46% were current smokers. We analysed colonization by sequencing the V1-V3 regions of the 16S rRNA gene. Palate and tongue microbiomes generally exhibited greater biodiversity than buccal and floor of mouth. Although Neisseria, Lautropia and Haemophilus spp. showed reduced abundance in smokers, buccal mucosa specifically showed a significant increase in Prevotella spp., whereas tongue and floor of mouth tended towards increased abundance of Streptococcus spp. Unexpectedly, tooth brushing frequency had a greater impact on mucosal community structure than plaque levels. Tooth loss was associated with significant reductions in mucosal biodiversity and had site-specific impacts, with buccal communities showing increased abundance of periodontitis-associated species and Rothia mucilaginosa, whereas tongue communities exhibited increased abundance of several streptococcal OTUs and reduced abundance of Haemophilus spp. This study highlights the complex relationship between mucosal colonisation and host factors, highlighting the need for careful consideration of these factors in mucosal microbiome studies.
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Affiliation(s)
- Sheila Galvin
- Division of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, School of Dental Science, Trinity College Dublin, Dublin Dental University Hospital, Dublin, Ireland
| | - Sviatlana Anishchuk
- Division of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, School of Dental Science, Trinity College Dublin, Dublin Dental University Hospital, Dublin, Ireland
| | - Claire M. Healy
- Division of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, School of Dental Science, Trinity College Dublin, Dublin Dental University Hospital, Dublin, Ireland
| | - Gary P. Moran
- Division of Oral Biosciences, School of Dental Science, Trinity College Dublin, Dublin Dental University Hospital, Dublin, Ireland
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18
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Wang XL, Xu HW, Liu NN. Oral Microbiota: A New Insight into Cancer Progression, Diagnosis and Treatment. PHENOMICS (CHAM, SWITZERLAND) 2023; 3:535-547. [PMID: 37881320 PMCID: PMC10593652 DOI: 10.1007/s43657-023-00124-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 10/27/2023]
Abstract
The polymorphic microbiome has been defined as one of the "Hallmarks of Cancer". Extensive studies have now uncovered the role of oral microbiota in cancer development and progression. Bacteria, fungi, archaea, and viruses in the oral cavity interact dynamically with the oral microenvironment to maintain the oral micro-ecological homeostasis. This complex interaction is influenced by many factors, such as maternal transmission, personal factors and environmental factors. Dysbiosis of oral microbiota can disturbed this host-microbiota interaction, leading to systemic diseases. Numerous studies have shown the potential associations between oral microbiota and a variety of cancers. However, the underlying mechanisms and therapeutic insights are still poorly understood. In this review, we mainly focus on the following aspects: (1) the factors affect oral microbiota composition and function; (2) the interaction between microenvironment and oral microbiota; (3) the role of multi-kingdom oral microbiota in human health; (4) the potential underlying mechanisms and therapeutic benefits of oral microbiota against cancer. Finally, we aim to describe the impact of oral microbiota on cancer progression and provide novel therapeutic insights into cancer prevention and treatment by targeting oral microbiota.
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Affiliation(s)
- Xiu-Li Wang
- State Key Laboratory of Systems Medicine for Cancer, Center for Single-Cell Omics, School of Public Health, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025 China
| | - Hua-Wen Xu
- State Key Laboratory of Systems Medicine for Cancer, Center for Single-Cell Omics, School of Public Health, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025 China
| | - Ning-Ning Liu
- State Key Laboratory of Systems Medicine for Cancer, Center for Single-Cell Omics, School of Public Health, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025 China
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19
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Arishi RA, Lai CT, Geddes DT, Stinson LF. Impact of breastfeeding and other early-life factors on the development of the oral microbiome. Front Microbiol 2023; 14:1236601. [PMID: 37744908 PMCID: PMC10513450 DOI: 10.3389/fmicb.2023.1236601] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/25/2023] [Indexed: 09/26/2023] Open
Abstract
The oral cavity is home to the second most diverse microbiome in the human body. This community contributes to both oral and systemic health. Acquisition and development of the oral microbiome is a dynamic process that occurs over early life; however, data regarding longitudinal assembly of the infant oral microbiome is scarce. While numerous factors have been associated with the composition of the infant oral microbiome, early feeding practices (breastfeeding and the introduction of solids) appear to be the strongest determinants of the infant oral microbiome. In the present review, we draw together data on the maternal, infant, and environmental factors linked to the composition of the infant oral microbiome, with a focus on early nutrition. Given evidence that breastfeeding powerfully shapes the infant oral microbiome, the review explores potential mechanisms through which human milk components, including microbes, metabolites, oligosaccharides, and antimicrobial proteins, may interact with and shape the infant oral microbiome. Infancy is a unique period for the oral microbiome. By enhancing our understanding of oral microbiome assembly in early life, we may better support both oral and systemic health throughout the lifespan.
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Affiliation(s)
- Roaa A. Arishi
- School of Molecular Sciences, The University of Western Australia, Perth, WA, Australia
- Ministry of Health, Riyadh, Saudi Arabia
| | - Ching T. Lai
- School of Molecular Sciences, The University of Western Australia, Perth, WA, Australia
| | - Donna T. Geddes
- School of Molecular Sciences, The University of Western Australia, Perth, WA, Australia
| | - Lisa F. Stinson
- School of Molecular Sciences, The University of Western Australia, Perth, WA, Australia
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20
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Tran H, Ai A, Gallardo-Huizar OE, Kahn M, Mathisen G. Vertebral osteomyelitis secondary to Streptococcus cristatus infection. Heliyon 2023; 9:e19616. [PMID: 37809561 PMCID: PMC10558856 DOI: 10.1016/j.heliyon.2023.e19616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 10/10/2023] Open
Abstract
A 66-year-old male with a history of low back pain was found to have discitis and osteomyelitis. Biopsy and PCR testing revealed Streptococcus cristatus infection. This bacteria does not typically cause disease, and only a few cases in the literature have reported it to cause infection in the bones or joints. This case illustrates that vertebral osteomyelitis with a rare causative agent, S. cristatus, is possible and can be identified with PCR. Treatment typically requires long-term antibiotics tailored to the causative agent for a minimum of 6 weeks and can sometimes include surgical management.
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Affiliation(s)
- Helen Tran
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | - Angela Ai
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | | | - Michael Kahn
- Department of Medicine, Olive View-UCLA Medical Center, Sylmar, CA, United States
| | - Glenn Mathisen
- Division of Infectious Diseases, Olive View-UCLA Medical Center, Sylmar, CA, United States
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21
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Nogueira MB, Massaut KB, Vitola HRS, Siqueira MFF, da Silva WP, Fiorentini ÂM. Antagonistic activity of Lactobacillus spp. and Bifidobacterium spp. against cariogenic Streptococcus mutans in vitro and viability when added to chewing gum during storage. Braz J Microbiol 2023; 54:2197-2204. [PMID: 37261620 PMCID: PMC10484890 DOI: 10.1007/s42770-023-01021-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023] Open
Abstract
The aim of the work was to evaluate antagonistic activity of Lactobacillus spp. and Bifidobacterium spp. in vitro against cariogenic Streptococcus mutans UA 159 and viability in chewing gum, during storage. Antagonistic activity was evaluated in vitro by the "spot on the lawn" test. Two bacteria were chosen and subjected to lyophilization and microencapsulation using the atomization method, containing polyvinylpyrrolidone polymer and lactose as encapsulating agents. For application in food matrices, four treatments were elaborated: chewing gum containing lyophilized B. lactis B94 (BLL), microencapsulated B. lactis B94 (BLE), lyophilized L. brevis (LBL), and microencapsulated L. brevis (LBE). Both microorganisms demonstrated a high capacity for inhibition against S. mutans, when compared to oral antiseptic chlorhexidine 0.2% in vitro, and according to the test of sensitivity profile to proteolytic enzymes, all the bacteria tested are producers of antimicrobial peptides, resulting in the inhibitory activity of the cariogenic bacterium. Furthermore, the viability of B. lactis B94 and L. brevis was maintained after microencapsulation, indicating that the process was efficient, with no significant difference (p < 0.05) between the results. And, in the chewing gum containing the bacteria during the storage period (33 days), it was found that cell immobilization did not significantly influence (p < 0.05) the counts of L. brevis but benefited the viability of B. lactis B94. Therefore, both probiotic bacteria are producers of antimicrobial substances with the ability to inhibit S. mutans, in vitro. The microencapsulation was considered efficient since it influenced the viability of B. lactis B94 (> 8 log CFU/g); however, the microencapsulation did not influence the viability of L. brevis since in both lyophilized and encapsulated form; the concentration of the bacteria remained above 8 log CFU/g during the storage period of the chewing gum.
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Affiliation(s)
| | - Khadija Bezerra Massaut
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Helena Reissig Soares Vitola
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Maria Fernanda Fernandes Siqueira
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Wladimir Padilha da Silva
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Ângela Maria Fiorentini
- Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil.
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22
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Zhang K, He C, Qiu Y, Li X, Hu J, Fu B. ASSOCIATION OF ORAL MICROBIOTA AND PERIODONTAL DISEASE WITH LUNG CANCER: A SYSTEMATIC REVIEW AND META-ANALYSIS. J Evid Based Dent Pract 2023; 23:101897. [PMID: 37689446 DOI: 10.1016/j.jebdp.2023.101897] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 04/22/2023] [Accepted: 05/17/2023] [Indexed: 09/11/2023]
Abstract
OBJECTIVES Evidence of oral microbiota perturbations has been accumulated for lung cancers. This review focused on the oral microbiota alterations in population suffering from lung cancer. In addition, we also discussed conflicting data about the association between oral microbiota dysbiosis and risk of lung cancer. METHODS A systematic search was conducted in Medline, Embase, PubMed, and Cochrane Library databases. The studies evaluated diversity and abundance of oral microbes in healthy and lung cancer individuals as well as association of periodontal disease and pathogens with lung cancer. Of 3559 studies, 28 included studies were performed in qualitative analysis, and 25 studies were used in meta-analyses for quantitative assessment. Heterogeneity was analyzed by using I² and chi-squared Q test statistics. Statistical analyses were performed by using the RevMan 5.4 software. RESULTS Compared with the control, lung cancer patients had lower alpha diversity (Shannon: SMD = -0.54; 95% CI, -0.90 to -0.19; P < .01, I2 = 71%). In nested case-control studies, individuals with decreased alpha diversity tended to have an increased risk of lung cancer (observed species: HR = 0.90; 95% CI, 0.85-0.96; P < .01, I2 = 0%; Shannon: HR = 0.89; 95% CI, 0.83-0.95; P < .01, I2 = 0%). Overall, no strong evidence of association of relative abundance with specific oral microbes with lung cancers was found because of inconsistent data. No associations were found between periodontal pathogens and lung cancer risk (red complex: HR = 1.12, 95% CI: 0.42-3.02, P = .82, I2 = 62%; orange complex: HR =1.77, 95% CI: 0.78-3.98, P = .17, I2 = 36%), expect for Fusobacterium nucleatum (HR = 2.27, 95% CI: 1.13-4.58, P = .02, I2 = 0%). The positive association of periodontal disease with lung cancer risk was found (HR = 1.58, 95% CI: 1.25-2.00, P < .001, I2= 0%) with increase of periodontal diseases severity (HR = 2.39, 95% CI: 1.57-3.66, P < .001, I2 = 0%). However, such association was not found in never-smoker participants (HR = 1.00, 95% CI: 0.76-1.31, P = .37, I2= 7%). CONCLUSIONS Lower alpha diversity of oral microbiome may be associated with a greater risk of lung cancer and might serve as a predictive signal of lung cancer risk. There was no strong evidence of relative abundance of oral microbial taxa and periodontal pathogens in lung cancer patients. Fusobacterium nucleatum might be a potential microbial candidate of biomarkers in lung cancer. Periodontal disease may be positively associated with lung cancer risk by confounding of smoking, but not an independent risk factor.
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Affiliation(s)
- Kai Zhang
- 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 Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Cheng He
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yuan Qiu
- 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 Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Xiuyang Li
- Department of Epidemiology & Biostatistics, and Center for Clinical Big Data and Statistics, Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jian Hu
- Department of Thoracic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Baiping Fu
- 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 Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang, China.
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23
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Johnston W, Rosier BT, Carda-Diéguez M, Paterson M, Watson P, Piela K, Goulding M, Ramage G, Baranyia D, Chen T, Al-Hebshi NN, Mira A, Culshaw S. Longitudinal changes in subgingival biofilm composition following periodontal treatment. J Periodontol 2023; 94:1065-1077. [PMID: 36960491 DOI: 10.1002/jper.22-0749] [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: 12/22/2022] [Revised: 02/22/2023] [Accepted: 03/10/2023] [Indexed: 03/25/2023]
Abstract
BACKGROUND Current periodontal treatment involves instrumentation using hand and/or ultrasonic instruments, which are used either alone or in combination based on patient and clinician preference, with comparable clinical outcomes. This study sought to investigate early and later changes in the subgingival biofilm following periodontal treatment, to identify whether these changes were associated with treatment outcomes, and to investigate whether the biofilm responded differently to hand compared with ultrasonic instruments. METHODS This was a secondary-outcome analysis of a randomized-controlled trial. Thirty-eight periodontitis patients received full-mouth subgingival instrumentation using hand (n = 20) or ultrasonic instrumentation (n = 18). Subgingival plaque was sampled at baseline and 1, 7, and 90 days following treatment. Bacterial DNA was analyzed using 16S rRNA sequencing. Periodontal clinical parameters were evaluated before and after treatment. RESULTS Biofilm composition was comparable in both (hand and ultrasonics) treatment groups at all time points (all genera and species; p[adjusted] > 0.05). Large-scale changes were observed within groups across time points. At days 1 and 7, taxonomic diversity and dysbiosis were reduced, with an increase in health-associated genera including Streptococcus and Rothia equating to 30% to 40% of the relative abundance. When reassessed at day 90 a subset of samples reformed a microbiome more comparable with baseline, which was independent of instrumentation choice and residual disease. CONCLUSIONS Hand and ultrasonic instruments induced comparable impacts on the subgingival plaque microbiome. There were marked early changes in the subgingival biofilm composition, although there was limited evidence that community shifts associated with treatment outcomes.
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Affiliation(s)
- William Johnston
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Bob T Rosier
- Department of Genomics and Health, The Foundation for the Promotion of Health and Biomedical Research (FISABIO), Valencia, Spain
| | - Miguel Carda-Diéguez
- Department of Genomics and Health, The Foundation for the Promotion of Health and Biomedical Research (FISABIO), Valencia, Spain
| | - Michael Paterson
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Paddy Watson
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Krystyna Piela
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- Division of Dentistry, Medical University of Lodz, Lodz, Poland
| | - Marilyn Goulding
- Global Clinical Affairs, Dentsply Sirona, York, Pennsylvania, USA
| | - Gordon Ramage
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Divyashri Baranyia
- Department of Oral Health Sciences, Temple University, Philadelphia, Pennsylvania, USA
| | - Tsute Chen
- Department of Microbiology, Forsyth Institute, Cambridge, Massachusetts, USA
| | - Nezar N Al-Hebshi
- Department of Oral Health Sciences, Temple University, Philadelphia, Pennsylvania, USA
| | - Alex Mira
- Department of Genomics and Health, The Foundation for the Promotion of Health and Biomedical Research (FISABIO), Valencia, Spain
- CIBER Center for Epidemiology and Public Health, Madrid, Spain
| | - Shauna Culshaw
- Oral Sciences, Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- Department of Periodontology, University Center for Dental Medicine, University of Basel, Basel, Switzerland
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24
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Santacroce L, Passarelli PC, Azzolino D, Bottalico L, Charitos IA, Cazzolla AP, Colella M, Topi S, Godoy FG, D’Addona A. Oral microbiota in human health and disease: A perspective. Exp Biol Med (Maywood) 2023; 248:1288-1301. [PMID: 37688509 PMCID: PMC10625343 DOI: 10.1177/15353702231187645] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/11/2023] Open
Abstract
The evolution of medical knowledge about oral microbiota has increased awareness of its important role for the entire human body health. A wide range of microbial species colonizing the oral cavity interact both with each other and with their host through complex pathways. Usually, these interactions lead to a harmonious coexistence (i.e. eubiosis). However, several factors - including diet, poor oral hygiene, tobacco smoking, and certain medications, among others - can disrupt this weak homeostatic balance (i.e. dysbiosis) with potential implications on both oral (i.e. development of caries and periodontal disease) and systemic health. This article is thus aimed at providing an overview on the importance of oral microbiota in mediating several physiological and pathological conditions affecting human health. In this context, strategies based on oral hygiene and diet as well as the role of probiotics supplementation are discussed.
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Affiliation(s)
- Luigi Santacroce
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University Hospital of Bari, Bari 70124, Italy
| | - Pier Carmine Passarelli
- Department of Head, Neck and Sense Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome 00168, Italy
| | - Domenico Azzolino
- Geriatric Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan 20122, Italy
| | - Lucrezia Bottalico
- Department of Clinical Disciplines, School of Technical Medical Sciences, University of Elbasan “A. Xhuvani,” Elbasan 3001, Albania
| | - Ioannis Alexandros Charitos
- Department of Clinical Disciplines, School of Technical Medical Sciences, University of Elbasan “A. Xhuvani,” Elbasan 3001, Albania
- Istituti Clinici Scientifici Maugeri IRCCS, Institute of Bari, Bari 70124, Italy
| | - Angela Pia Cazzolla
- Department of Clinical and Experimental Medicine, Riuniti University Hospital of Foggia, Foggia 71122, Italy
| | - Marica Colella
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University Hospital of Bari, Bari 70124, Italy
| | - Skender Topi
- Department of Clinical Disciplines, School of Technical Medical Sciences, University of Elbasan “A. Xhuvani,” Elbasan 3001, Albania
| | - Franklin Garcia Godoy
- Bioscience Research Center, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Surgery, Herbert Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
| | - Antonio D’Addona
- Department of Head, Neck and Sense Organs, Division of Oral Surgery and Implantology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome 00168, Italy
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25
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García-Quintana A, Frattaroli-Pericchi A, Feldman S, Luengo J, Acevedo AM. Initial oral microbiota and the impact of delivery mode and feeding practices in 0 to 2 month-old infants. Braz Oral Res 2023; 37:e078. [PMID: 37531514 DOI: 10.1590/1807-3107bor-2023.vol37.0078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 04/12/2023] [Indexed: 08/04/2023] Open
Abstract
The aim of this study was to describe the initial oral microbiota and how delivery mode and feeding practices impact its diversity in 0-2-month-old infants. This was a cross-sectional study that consisted of one collection of saliva samples from 0-2-month infants at baseline. Ten pairs of mothers and infants were selected. Medical health history, pregnancy, birth, feeding practices (breastfeeding or milk formula), and infant health status was obtained. Pooled microbial samples were obtained from the oral surfaces using a sterile cotton swab. Infants did not receive any breast milk before sampling. After collection, each swab was analyzed through microbiological culture-based procedures, using selective mediums. Cultures were analyzed for the presence of Streptococci, Lactobacillus, Staphylococcus, Enterobacterium , and Candida albicans . Twenty percent of the samples were serially diluted (10-2) to assess the number of bacteria expressed as CFU. Bacillota was the leading phylogenetic group in the infant's pooled microbial sample. The most prevalent genera were Streptococcus, Lactobacillus , and Staphylococcus . Two participants had a positive growth of Candida albicans . The association between genus group, type of delivery, and feeding practices was not statistically significant (p > 0.05). Lactobacillus genus was frequently present in the cesarean delivery group but with slightly higher counts in a vaginal delivery study subject. Exclusively breastfed infants showed presence of Streptococcus, Lactobacillus, Staphylococcus . The oral microbiome in infants (0-2 month-old) is highly heterogeneous and dynamic. Microbiota composition seems to be impacted by mode of delivery, with slight differences among groups. Breastmilk appears as an essential factor in maintaining the oral microbiome's stability and diversity.
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Affiliation(s)
| | | | - Sonia Feldman
- Private Practice at Complejo Social Don Bosco, Caracas, Venezuela
| | | | - Ana María Acevedo
- Universidad Central de Venezuela, Facultad de Odontología, Instituto de Investigaciones Odontológicas, Caracas, Venezuela
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26
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Choudhary P, Tushir S, Bala M, Sharma S, Sangha MK, Rani H, Yewle NR, Kumar P, Singla D, Chandran D, Kumar M, Mekhemar M. Exploring the Potential of Bee-Derived Antioxidants for Maintaining Oral Hygiene and Dental Health: A Comprehensive Review. Antioxidants (Basel) 2023; 12:1452. [PMID: 37507990 PMCID: PMC10375990 DOI: 10.3390/antiox12071452] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Honey bee products comprise various compounds, including honey, propolis, royal jelly, bee pollen, bee wax and bee venom, which have long been recognized for their pharmacological and health-promoting benefits. Scientists have discovered that periodontal disorders stem from dental biofilm, an inflammatory response to bacterial overgrowth produced by dysbiosis in the oral microbiome. The bee products have been investigated for their role in prevention of oral diseases, which are attributed to a myriad of biologically active compounds including flavonoids (pinocembrin, catechin, caffeic acid phenethyl ester (CAPE) and galangin), phenolic acids (hydroxybenzoic acid, hydroxycinnamic acid, p-coumaric, ellagic, caffeic and ferulic acids) and terpenoids. This review aims to update the current understanding of role of selected bee products, namely, honey, propolis and royal jelly, in preventing oral diseases as well as their potential biological activities and mechanism of action in relation to oral health have been discussed. Furthermore, the safety of incorporation of bee products is also critically discussed. To summarize, bee products could potentially serve as a therapy option for people suffering from a variety of oral disorders.
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Affiliation(s)
- Poonam Choudhary
- Department of Agricultural Structures and Environment Control, ICAR-Central Institute of Post-Harvest Engineering and Technology, Ludhiana 141004, India
| | - Surya Tushir
- Department of Agricultural Structures and Environment Control, ICAR-Central Institute of Post-Harvest Engineering and Technology, Ludhiana 141004, India
| | - Manju Bala
- Department of Food Grain and Oilseed Processing, ICAR-Central Institute of Post-Harvest Engineering and Technology, Ludhiana 141004, India
| | - Sanjula Sharma
- Oilseeds Section, Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana 141004, India
| | - Manjeet Kaur Sangha
- Department of Biochemistry, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana 141004, India
| | - Heena Rani
- Department of Biochemistry, Punjab Agricultural University, Ludhiana 141004, India
| | | | - Parminder Kumar
- Department of Soil Science, Punjab Agricultural University, Ludhiana 141004, India
| | - Diksha Singla
- Department of Biochemistry, Punjab Agricultural University, Ludhiana 141004, India
| | - Deepak Chandran
- Department of Animal Husbandry, Government of Kerala, Palakkad 679335, India
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR-Central Institute for Research on Cotton Technology, Mumbai 400019, India
| | - Mohamed Mekhemar
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian-Albrecht's University, 24105 Kiel, Germany
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27
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Reis AA, Monteiro MF, Bonilha GM, Saraiva L, Araújo C, Santamaria MP, Casati MZ, Kumar P, Casarin RCV. Parents with periodontitis drive the early acquisition of dysbiotic microbiomes in their offspring. J Clin Periodontol 2023; 50:890-904. [PMID: 37086047 DOI: 10.1111/jcpe.13815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/23/2023]
Abstract
AIM To evaluate the microbial colonization in different dentition phases on individuals from 0 to 18 years of age belonging to families with a history of periodontitis compared to descendants of periodontally healthy parents. MATERIALS AND METHODS The offspring of subjects with periodontitis ('Perio' group) and the offspring of periodontally healthy subjects ('Healthy' group), matched for gender and age, were included in this cross-sectional study and divided according to the dentition phase: pre-dentate, primary, mixed and permanent. The patients were clinically assessed, and their saliva was collected. DNA was extracted, and V1-V3 and V4-V5 regions of the 16S rRNA gene were sequenced. RESULTS Fifty children of parents with periodontitis and 50 from healthy parents were included in the study and divided according to the dentition phase: pre-dentate (n = 5/group), primary dentition (n = 15/group), mixed dentition (n = 15/group) and permanent dentition (n = 15/group) in each group. The microbiome composition was different between dentitions for both groups. Children of the Perio group presented a microbial diversity different from that of the Healthy group in mixed and permanent dentitions. The more intense shift in the community occurred between primary and mixed dentition in the Perio group, while the transition between mixed and permanent dentition was the period with greater changes in the microbiome for the Healthy group. Furthermore, a pathogen-rich environment-higher prevalence and abundance of periodontitis-associated species such as Prevotella spp., Selenomonas spp., Leptotrichia spp., Filifactor alocis, Prevotella intermedia, Treponema denticola and Tannerella forsythia- was observed in the Perio group. CONCLUSIONS The parents' periodontal status significantly affects the microbiome composition of their offspring from an early age. The mixed dentition was the phase associated with establishing a dysbiotic and pathogen-rich microbiome in descendants of parents with periodontitis.
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Affiliation(s)
| | | | | | - Luciana Saraiva
- School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Cassia Araújo
- Institute of Health Science, São Paulo State University, São Paulo, Brazil
| | | | | | - Purnima Kumar
- School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
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28
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Lugones-Sánchez C, Santos-Mínguez S, Salvado R, González-Sánchez S, Tamayo-Morales O, Hoya-González A, Ramírez-Manent JI, Magallón-Botaya R, Quesada-Rico JA, Garcia-Cubillas MD, Rodríguez-Sánchez E, Gómez-Marcos MA, Benito-Sanchez R, Mira A, Hernandez-Rivas JM, Garcia-Ortiz L. Lifestyles, arterial aging, and its relationship with the intestinal and oral microbiota (MIVAS III study): a research protocol for a cross-sectional multicenter study. Front Public Health 2023; 11:1164453. [PMID: 37457284 PMCID: PMC10344706 DOI: 10.3389/fpubh.2023.1164453] [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: 02/23/2023] [Accepted: 05/30/2023] [Indexed: 07/18/2023] Open
Abstract
Background The microbiota is increasingly recognized as a significant factor in the pathophysiology of many diseases, including cardiometabolic diseases, with lifestyles probably exerting the greatest influence on the composition of the human microbiome. The main objectives of the study are to analyze the association of lifestyles (diet, physical activity, tobacco, and alcohol) with the gut and oral microbiota, arterial aging, and cognitive function in subjects without cardiovascular disease in the Iberian Peninsula. In addition, the study will examine the mediating role of the microbiome in mediating the association between lifestyles and arterial aging as well as cognitive function. Methods and analysis MIVAS III is a multicenter cross-sectional study that will take place in the Iberian Peninsula. One thousand subjects aged between 45 and 74 years without cardiovascular disease will be selected. The main variables are demographic information, anthropometric measurements, and habits (tobacco and alcohol). Dietary patterns will be assessed using a frequency consumption questionnaire (FFQ) and the Mediterranean diet adherence questionnaire. Physical activity levels will be evaluated using the International Physical Activity Questionnaire (IPAQ), Marshall Questionnaire, and an Accelerometer (Actigraph). Body composition will be measured using the Inbody 230 impedance meter. Arterial aging will be assessed through various means, including measuring medium intimate carotid thickness using the Sonosite Micromax, conducting analysis with pulse wave velocity (PWA), and measuring pulse wave velocity (cf-PWV) using the Sphygmocor System. Additional cardiovascular indicators such as Cardio Ankle Vascular Index (CAVI), ba-PWV, and ankle-brachial index (Vasera VS-2000®) will also be examined. The study will analyze the intestinal microbiota using the OMNIgene GUT kit (OMR-200) and profile the microbiome through massive sequencing of the 16S rRNA gene. Linear discriminant analysis (LDA), effect size (LEfSe), and compositional analysis, such as ANCOM-BC, will be used to identify differentially abundant taxa between groups. After rarefying the samples, further analyses will be conducted using MicrobiomeAnalyst and R v.4.2.1 software. These analyses will include various aspects, such as assessing α and β diversity, conducting abundance profiling, and performing clustering analysis. Discussion Lifestyle acts as a modifier of microbiota composition. However, there are no conclusive results demonstrating the mediating effect of the microbiota in the relationship between lifestyles and cardiovascular diseases. Understanding this relationship may facilitate the implementation of strategies for improving population health by modifying the gut and oral microbiota. Trial registration clinicaltrials.gov/ct2/show/NCT04924907, ClinicalTrials.gov, identifier: NCT04924907. Registered on 21 April 2021.
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Affiliation(s)
- Cristina Lugones-Sánchez
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
| | - Sandra Santos-Mínguez
- Cancer Research Centre, Institute of Biomedical Research of Salamanca (IBSAL), Institute of Molecular and Cellular Biology of Cancer (IBMCC), University of Salamanca-CSIC, Salamanca, Spain
| | - Rita Salvado
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Susana González-Sánchez
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
| | - Olaya Tamayo-Morales
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
| | - Amaya Hoya-González
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - José I. Ramírez-Manent
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Calvià Primary Care Center, Balearic Islands Health Research Institute (IDIBSA), Health Service of Balearic Islands, Calvià, Spain
- Department of Medicine, University of the Balearic Islands, Palma de Mallorca, Spain
| | - Rosa Magallón-Botaya
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Institute for Health Research Aragón (IIS Aragón), Zaragoza, Spain
- Department of Medicine, Psychiatry and Dermatology, University of Zaragoza, Zaragoza, Spain
| | - José A. Quesada-Rico
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Department of Clinical Medicine, Miguel Hernandez University of Elche, Sant Joan d'Alacant, Spain
| | - Miriam D. Garcia-Cubillas
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Emiliano Rodríguez-Sánchez
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Manuel A. Gómez-Marcos
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Department of Medicine, University of Salamanca, Salamanca, Spain
| | - Rocío Benito-Sanchez
- Cancer Research Centre, Institute of Biomedical Research of Salamanca (IBSAL), Institute of Molecular and Cellular Biology of Cancer (IBMCC), University of Salamanca-CSIC, Salamanca, Spain
| | - Alex Mira
- Department of Health and Genomics, FISABIO Foundation, Valencia, Spain
- CIBER Center for Epidemiology and Public Health, Madrid, Spain
| | - Jesus M. Hernandez-Rivas
- Department of Medicine, University of Salamanca, Salamanca, Spain
- Haematology Department, Institute of Biomedical Research of Salamanca (IBSAL), University Hospital of Salamanca, Salamanca, Spain
| | - Luis Garcia-Ortiz
- Primary Care Research Unit of Salamanca (APISAL), Salamanca Primary Healthcare Management, Castilla y León Regional Health Authority (SACyL), Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), Salamanca, Spain
- Department of Biomedical and Diagnostic Sciences, University of Salamanca, Salamanca, Spain
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Saeed A, Yasmin A, Baig M, Ahmed MA, Farooqi ZUR. Streptococcus lactarius MB622 and Streptococcus salivarius MB620 isolated from human milk reduce chemokine IL-8 production in response to TNF-α in Caco-2 cell line, an exploratory study. Cytokine 2023; 168:156232. [PMID: 37224578 DOI: 10.1016/j.cyto.2023.156232] [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: 08/09/2022] [Revised: 05/07/2023] [Accepted: 05/08/2023] [Indexed: 05/26/2023]
Abstract
Streptococci are a predominant genera of the human milk microbiome. Among different lactic acid bacteria (LAB) a few Streptococcal strains are also considered as probiotics. Probiotic bacteria are reported to modulate immunity when consumed in adequate amount and bacterial hydrophobicity can be considered as a preliminary experiment for the adhesive capability of probiotic bacteria to the epithelial cells. The present study aimed to investigate the probiotic, hydrophobic and immune modulation property of Streptococcus lactarius MB622 and Streptococcus salivarius MB620, isolated from human milk. S. lactarius MB622 and S. salivarius MB620 displayed higher hydrophobicity (78 % and 59 % respectively) in addition to intrinsic probiotic properties such as gram positive classification, catalase negative activity, resistance to artificially stimulated gastric juice and gastrointestinal bile salt concentration. In conclusion Streptococcus lactarius MB622 and Streptococcus salivarius MB620 isolated from human milk when administered in sufficient amount and for certain duration could be used to reduce inflammation inside the colon by reducing the production of inflammatory booster (IL-8) in diseased state.
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Affiliation(s)
- Ayesha Saeed
- Microbiology and Biotechnology Research Lab, Fatima Jinnah Women University Rawalpindi, Pakistan.
| | - Azra Yasmin
- Microbiology and Biotechnology Research Lab, Fatima Jinnah Women University Rawalpindi, Pakistan
| | - Mehreen Baig
- Surgical Unit II, Foundation University Islamabad, Pakistan
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30
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Melekoglu E, Yılmaz B, Çevik A, Gökyıldız Sürücü Ş, Avcıbay Vurgeç B, Gözüyeşil E, Sharma H, Boyan N, Ozogul F. The Impact of the Human Milk Microbiota in the Prevention of Disease and Infant Health. Breastfeed Med 2023. [PMID: 37140562 DOI: 10.1089/bfm.2022.0292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Background: Human milk is recognized as an ideal food for newborns and infants owing to the presence of various nutritive factors, including healthy bacteria. Aim/Objective: This review aimed to understand the effects of human milk microbiota in both the prevention of disease and the health of infants. Methods: Data were obtained from PubMed, Scopus, Web of Science, clinical trial registries, Dergipark, and Türk Atıf Dizini up to February 2023 without language restrictions. Results: It is considered that the first human milk microbiota ingested by the newborn creates the initial microbiome of the gut system, which in turn influences the development and maturation of immunity. Bacteria present in human milk modulate the anti-inflammatory response by releasing certain cytokines, protecting the newborn against certain infections. Therefore, certain bacterial strains isolated from human milk could serve as potential probiotics for various therapeutic applications. Conclusions: In this review, the origin and significance of human milk bacteria have been highlighted along with certain factors influencing the composition of human milk microbiota. In addition, it also summarizes the health benefits of human milk as a protective agent against certain diseases and ailments.
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Affiliation(s)
- Ebru Melekoglu
- Department of Nutrition and Dietetics, Cukurova University, Adana, Turkey
| | - Birsen Yılmaz
- Department of Nutrition and Dietetics, Cukurova University, Adana, Turkey
| | - Ayseren Çevik
- Department of Midwifery, Cukurova University, Adana, Turkey
| | | | | | - Ebru Gözüyeşil
- Department of Midwifery, Cukurova University, Adana, Turkey
| | - Heena Sharma
- Food Technology Lab, Dairy Technology Division, ICAR-National Dairy Research Institute, Karnal, Haryana, India
| | - Neslihan Boyan
- Department of Anatomy, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey
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31
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Rose M, Wilson N, Williams E, Letner H, Bettinger R, Bouchendouka A, Batagower J, Kaspar J. Growth with Commensal Streptococci Alters Streptococcus mutans Behaviors. J Dent Res 2023; 102:450-458. [PMID: 36688378 PMCID: PMC10154915 DOI: 10.1177/00220345221145906] [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] [Indexed: 01/24/2023] Open
Abstract
As oral bacteria grow and persist within biofilms attached to the tooth's surface, they interact with other species to form synergistic or antagonistic exchanges that govern homeostasis for the overall population. One example are the interactions between the cariogenic species Streptococcus mutans and oral commensal streptococci. Previously, we showed that the cell-cell signaling pathways of S. mutans were inhibited during coculture with other oral streptococci species, leading us to posit that the S. mutans transcriptome and behaviors are broadly altered during growth with these species. To test this hypothesis, we performed whole transcriptome sequencing (RNA-seq) on cocultures of S. mutans with either Streptococcus gordonii, Streptococcus sanguinis, or Streptococcus oralis and a quadculture containing all 4 species in comparison to S. mutans grown alone. Our results reveal that in addition to species-dependent changes to the S. mutans transcriptome, a conserved response to oral streptococci in general can be observed. We monitored the behavior of S. mutans by both microscopy imaging of biofilms and in a bacteriocin overlay assay and verified that S. mutans acts similarly with each of these species but noted divergences in phenotypes when cocultured with another cariogenic Streptococcus (Streptococcus sobrinus) or with oral nonstreptococci species. RNA-seq with oral nonstreptococci showed lack of a consistent gene expression profile and overlap of differentially expressed genes found with commensal streptococci. Finally, we investigated the role of upregulated S. mutans genes within our data sets to determine if they provided a fitness benefit during interspecies interactions. Eleven total genes were studied, and we found that a majority impacted the fitness of S. mutans in various assays, highlighted by increased biomass of commensal streptococci in mixed-species biofilms. These results confirm a common, species-independent modification of S. mutans behaviors with oral commensal streptococci that emphasizes the need to further evaluate oral bacteria within multispecies settings.
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Affiliation(s)
- M. Rose
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - N. Wilson
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - E. Williams
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - H. Letner
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - R. Bettinger
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - A. Bouchendouka
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - J. Batagower
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
| | - J.R. Kaspar
- Division of Biosciences, The Ohio State
University College of Dentistry, Columbus, OH, USA
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32
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Liu X, Zou L, Nie C, Qin Y, Tong X, Wang J, Yang H, Xu X, Jin X, Xiao L, Zhang T, Min J, Zeng Y, Jia H, Hou Y. Mendelian randomization analyses reveal causal relationships between the human microbiome and longevity. Sci Rep 2023; 13:5127. [PMID: 36991009 PMCID: PMC10052271 DOI: 10.1038/s41598-023-31115-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 03/07/2023] [Indexed: 03/31/2023] Open
Abstract
Although recent studies have revealed the association between the human microbiome especially gut microbiota and longevity, their causality remains unclear. Here, we assess the causal relationships between the human microbiome (gut and oral microbiota) and longevity, by leveraging bidirectional two-sample Mendelian randomization (MR) analyses based on genome-wide association studies (GWAS) summary statistics of the gut and oral microbiome from the 4D-SZ cohort and longevity from the CLHLS cohort. We found that some disease-protected gut microbiota such as Coriobacteriaceae and Oxalobacter as well as the probiotic Lactobacillus amylovorus were related to increased odds of longevity, whereas the other gut microbiota such as colorectal cancer pathogen Fusobacterium nucleatum, Coprococcus, Streptococcus, Lactobacillus, and Neisseria were negatively associated with longevity. The reverse MR analysis further revealed genetically longevous individuals tended to have higher abundances of Prevotella and Paraprevotella but lower abundances of Bacteroides and Fusobacterium species. Few overlaps of gut microbiota-longevity interactions were identified across different populations. We also identified abundant links between the oral microbiome and longevity. The additional analysis suggested that centenarians genetically had a lower gut microbial diversity, but no difference in oral microbiota. Our findings strongly implicate these bacteria to play a role in human longevity and underscore the relocation of commensal microbes among different body sites that would need to be monitored for long and healthy life.
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Affiliation(s)
- Xiaomin Liu
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
- BGI-Shenzhen, Shenzhen, 518083, China
| | | | - Chao Nie
- BGI-Shenzhen, Shenzhen, 518083, China
| | | | - Xin Tong
- BGI-Shenzhen, Shenzhen, 518083, China
| | - Jian Wang
- BGI-Shenzhen, Shenzhen, 518083, China
- James D. Watson Institute of Genome Sciences, Hangzhou, 310058, China
| | - Huanming Yang
- BGI-Shenzhen, Shenzhen, 518083, China
- James D. Watson Institute of Genome Sciences, Hangzhou, 310058, China
| | - Xun Xu
- BGI-Shenzhen, Shenzhen, 518083, China
| | - Xin Jin
- BGI-Shenzhen, Shenzhen, 518083, China
| | | | - Tao Zhang
- BGI-Shenzhen, Shenzhen, 518083, China
- Department of Biology, University of Copenhagen, Universitetsparken 13, 2100, Copenhagen, Denmark
| | - Junxia Min
- School of Medicine, The First Affiliated Hospital, Institute of Translational Medicine, Zhejiang University, Hangzhou, China.
| | - Yi Zeng
- Center for Healthy Aging and Development Studies, National School of Development, Raissun Institute for Advanced Studies, Peking University, Beijing, China.
| | - Huijue Jia
- Greater Bay Area Institute of Precision Medicine (Guangzhou), Fudan University, Shanghai, China.
| | - Yong Hou
- BGI-Shenzhen, Shenzhen, 518083, China.
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Sukumar S, Wang F, Simpson CA, Willet CE, Chew T, Hughes TE, Bockmann MR, Sadsad R, Martin FE, Lydecker HW, Browne GV, Davis KM, Bui M, Martinez E, Adler CJ. Development of the oral resistome during the first decade of life. Nat Commun 2023; 14:1291. [PMID: 36894532 PMCID: PMC9998430 DOI: 10.1038/s41467-023-36781-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 02/10/2023] [Indexed: 03/11/2023] Open
Abstract
Antibiotic overuse has promoted the spread of antimicrobial resistance (AMR) with significant health and economic consequences. Genome sequencing reveals the widespread presence of antimicrobial resistance genes (ARGs) in diverse microbial environments. Hence, surveillance of resistance reservoirs, like the rarely explored oral microbiome, is necessary to combat AMR. Here, we characterise the development of the paediatric oral resistome and investigate its role in dental caries in 221 twin children (124 females and 97 males) sampled at three time points over the first decade of life. From 530 oral metagenomes, we identify 309 ARGs, which significantly cluster by age, with host genetic effects detected from infancy onwards. Our results suggest potential mobilisation of ARGs increases with age as the AMR associated mobile genetic element, Tn916 transposase was co-located with more species and ARGs in older children. We find a depletion of ARGs and species in dental caries compared to health. This trend reverses in restored teeth. Here we show the paediatric oral resistome is an inherent and dynamic component of the oral microbiome, with a potential role in transmission of AMR and dysbiosis.
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Affiliation(s)
- Smitha Sukumar
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
| | - Fang Wang
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Carra A Simpson
- The Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, US
| | - Cali E Willet
- Sydney Informatics Hub, Core Research Facilities, The University of Sydney, Sydney, NSW, Australia
| | - Tracy Chew
- Sydney Informatics Hub, Core Research Facilities, The University of Sydney, Sydney, NSW, Australia
| | - Toby E Hughes
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Adelaide Dental School, University of Adelaide, Adelaide, SA, Australia
| | | | - Rosemarie Sadsad
- Sydney Informatics Hub, Core Research Facilities, The University of Sydney, Sydney, NSW, Australia
| | - F Elizabeth Martin
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Henry W Lydecker
- Sydney Informatics Hub, Core Research Facilities, The University of Sydney, Sydney, NSW, Australia
| | - Gina V Browne
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Institute of Dental Research, Westmead Centre for Oral Health, Westmead, NSW, Australia
| | - Kylie M Davis
- Adelaide Dental School, University of Adelaide, Adelaide, SA, Australia
| | - Minh Bui
- Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Elena Martinez
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Institute of Clinical Pathology and Medical Research, NSW Health Pathology, Sydney, NSW, Australia
| | - Christina J Adler
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia.
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Trtić N, Mori M, Matsui S, Nakamura N, Fukamachi H, Kurosawa M, Morisaki H, Maruoka Y, Mayers M, Okahashi N, Kuwata H, Itsumi M. Oral commensal bacterial flora is responsible for peripheral differentiation of neutrophils in the oral mucosa in the steady state. J Oral Biosci 2023; 65:119-125. [PMID: 36464149 DOI: 10.1016/j.job.2022.11.002] [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: 08/03/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022]
Abstract
OBJECTIVES Commensal bacteria in the host body play a fundamental role in the differentiation and maintenance of the immune system. Studies on intestinal immunity have revealed that, under steady-state conditions, microflora have an important role in the maintenance of health. However, the role of oral commensal bacteria on the oral immune system is still unclear. Here, we clarify the interactions between commensal bacteria and the oral mucosal immune system under steady-state conditions. METHODS We used germ-free mice that had never been exposed to bacteria and conventional mice grown with normal bacterial flora. Oral cells were isolated from the oral mucosa, stained with specific antibodies, and analyzed by flow cytometry. For the detection of myeloperoxidase and intracellular cytokines, oral cells were stimulated with N-formyl-methionine-leucyl-phenylalanine and phorbol 12-myristate 13-acetate/ionomycin, respectively. RESULTS We found that the oral mucosa harbored more neutrophils in germ-free mice than in conventional mice. However, the majority of neutrophils in the germ-free oral mucosa exhibited an immature phenotype. Other immune cells, including macrophages, T cells, and B cells, in the oral mucosa of germ-free mice showed similar differentiation to those in conventional mice. These results indicate that in the steady-state oral mucosa, the normal commensal flora promote the peripheral differentiation of neutrophils. CONCLUSIONS The presence of commensal flora is critical for the development of adequate immune system in the oral mucosa.
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Affiliation(s)
- Nataša Trtić
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Department of Periodontology and Oral Medicine, Faculty of Medicine, University of Banja Luka, Bulevar Vojvode Petra Bojovica 2, Banja Luka, 78000, Bosnia and Herzegovina
| | - Mina Mori
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Department of Special Needs Dentistry, Division of Medical and Dental Cooperative Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo, 145-8515, Japan
| | - Shohei Matsui
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Department of Special Needs Dentistry, Division of Medical and Dental Cooperative Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo, 145-8515, Japan
| | - Natsuno Nakamura
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Department of Special Needs Dentistry, Division of Dentistry for Persons with Disabilities, School of Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo, 145-8515, Japan
| | - Haruka Fukamachi
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan
| | - Mie Kurosawa
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan
| | - Hirobumi Morisaki
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan
| | - Yasubumi Maruoka
- Department of Special Needs Dentistry, Division of Medical and Dental Cooperative Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo, 145-8515, Japan
| | - Mie Mayers
- Department of Special Needs Dentistry, Division of Medical and Dental Cooperative Dentistry, Showa University, 2-1-1 Kitasenzoku, Ohta-ku, Tokyo, 145-8515, Japan
| | - Nobuo Okahashi
- Center for Frontier Oral Science, Osaka University Graduate School of Dentistry, 1-8 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Hirotaka Kuwata
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan
| | - Momoe Itsumi
- Department of Oral Microbiology and Immunology, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan.
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Loughman A, Adler CJ, Macpherson H. Unlocking Modifiable Risk Factors for Alzheimer's Disease: Does the Oral Microbiome Hold Some of the Keys? J Alzheimers Dis 2023; 92:1111-1129. [PMID: 36872775 DOI: 10.3233/jad-220760] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Advancing age is recognized as the primary risk factor for Alzheimer's disease (AD); however approximately one third of dementia cases are attributable to modifiable risk factors such as hypertension, diabetes, smoking, and obesity. Recent research also implicates oral health and the oral microbiome in AD risk and pathophysiology. The oral microbiome contributes to the cerebrovascular and neurodegenerative pathology of AD via the inflammatory, vascular, neurotoxic, and oxidative stress pathways of known modifiable risk factors. This review proposes a conceptual framework that integrates the emerging evidence regarding the oral microbiome with established modifiable risk factors. There are numerous mechanisms by which the oral microbiome may interact with AD pathophysiology. Microbiota have immunomodulatory functions, including the activation of systemic pro-inflammatory cytokines. This inflammation can affect the integrity of the blood-brain barrier, which in turn modulates translocation of bacteria and their metabolites to brain parenchyma. Amyloid-β is an antimicrobial peptide, a feature which may in part explain its accumulation. There are microbial interactions with cardiovascular health, glucose tolerance, physical activity, and sleep, suggesting that these modifiable lifestyle risk factors of dementia may have microbial contributors. There is mounting evidence to suggest the relevance of oral health practices and the microbiome to AD. The conceptual framework presented here additionally demonstrates the potential for the oral microbiome to comprise a mechanistic intermediary between some lifestyle risk factors and AD pathophysiology. Future clinical studies may identify specific oral microbial targets and the optimum oral health practices to reduce dementia risk.
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Affiliation(s)
- Amy Loughman
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, Barwon Health, Geelong, Victoria, Australia
| | - Christina J Adler
- Charles Perkins Centre, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Helen Macpherson
- Deakin University, IPAN - the Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Geelong, Victoria, Australia
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Duque C, Chrisostomo DA, Souza ACA, de Almeida Braga GP, Dos Santos VR, Caiaffa KS, Pereira JA, de Oliveira WC, de Aguiar Ribeiro A, Parisotto TM. Understanding the Predictive Potential of the Oral Microbiome in the Development and Progression of Early Childhood Caries. Curr Pediatr Rev 2023; 19:121-138. [PMID: 35959611 DOI: 10.2174/1573396318666220811124848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 03/24/2022] [Accepted: 04/22/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND Early childhood caries (ECC) is the most common chronic disease in young children and a public health problem worldwide. It is characterized by the presence of atypical and fast progressive caries lesions. The aggressive form of ECC, severe early childhood caries (S-ECC), can lead to the destruction of the whole crown of most of the deciduous teeth and cause pain and sepsis, affecting the child's quality of life. Although the multifactorial etiology of ECC is known, including social, environmental, behavioral, and genetic determinants, there is a consensus that this disease is driven by an imbalance between the oral microbiome and host, or dysbiosis, mediated by high sugar consumption and poor oral hygiene. Knowledge of the microbiome in healthy and caries status is crucial for risk monitoring, prevention, and development of therapies to revert dysbiosis and restore oral health. Molecular biology tools, including next-generation sequencing methods and proteomic approaches, have led to the discovery of new species and microbial biomarkers that could reveal potential risk profiles for the development of ECC and new targets for anti-caries therapies. This narrative review summarized some general aspects of ECC, such as definition, epidemiology, and etiology, the influence of oral microbiota in the development and progression of ECC based on the current evidence from genomics, transcriptomic, proteomic, and metabolomic studies and the effect of antimicrobial intervention on oral microbiota associated with ECC. CONCLUSION The evaluation of genetic and proteomic markers represents a promising approach to predict the risk of ECC before its clinical manifestation and plan efficient therapeutic interventions for ECC in its initial stages, avoiding irreversible dental cavitation.
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Affiliation(s)
- Cristiane Duque
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Daniela Alvim Chrisostomo
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Amanda Caselato Andolfatto Souza
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Gabriela Pacheco de Almeida Braga
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Vanessa Rodrigues Dos Santos
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Karina Sampaio Caiaffa
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Jesse Augusto Pereira
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Warlley Campos de Oliveira
- Department of Preventive and Restorative Dentistry, Araçatuba Dental School, State University of São Paulo (UNESP), Araçatuba, Brazil
| | - Apoena de Aguiar Ribeiro
- Division of Diagnostic Sciences, University of North Carolina at Chapel Hill - Adams School of Dentistry, Chapel Hill, North Carolina, United State
| | - Thaís Manzano Parisotto
- Laboratory of Clinical and Molecular Microbiology, São Francisco University, Bragança Paulista, Brazil
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Cornejo CF, Soken LJ, Salgado PA, Gliosca LA, Squassi AF. Detection of Streptococcus mutans and Streptococcus sobrinus and Their Association with Oral Microbiome Stressors in 6-18-month-old Infants. Int J Clin Pediatr Dent 2023; 16:68-73. [PMID: 37020757 PMCID: PMC10067995 DOI: 10.5005/jp-journals-10005-2489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023] Open
Abstract
Aim To determine the presence of Streptococcus mutans (S. mutans) and Streptococcus sobrinus (S. sobrinus) and their association with extrinsic and intrinsic variables in 6-18-month-old infants. Methods This was an analytical, cross-sectional study of 65 6-18-month-old infants who visited the Centers for Early Childhood in Buenos Aires City. Three groups were established according to the presence of teeth-group I (GI)-edentulous infants, group II (GII)-infants with 1-8 teeth, and group III (GIII)-infants with 9-16 teeth. Data on the variables, diet, use of artificial teats, and oral hygiene were gathered using a self-administered questionnaire. An oral examination was performed according to the International Caries Detection and Assessment System (ICDAS II) criterion. A saliva sample was taken by aspiration with a sterile plastic syringe. Cariogenic Streptococci (CS) were counted using the adherence test in modified gold broth (AT-MGB). Molecular detection and quantification were performed by quantitative polymerase chain reaction (qPCR) (gtfB, gtfT, and tuf). Results A total of 12% of infants received oral hygiene, 38% used bottles, 30% used pacifiers, and 55% had sugar intake. S. sobrinus and S. mutans were detected in 57.1 and 28.6% of the children with caries, respectively. Groups I, II, and III had CS counts of log 2, 3.4, and 3.7, respectively. S. sobrinus was detected in 26.7% of GI, 52.9% of GII, and 85.7% of GIII, while S. mutans was detected in 13.3%, 35.3%, and 57.7%, respectively. Conclusion The prevalence of S. sobrinus was higher than S. mutans in all groups. The presence of CS was significantly associated with sugar intake. No association was found between S. mutans and S. sobrinus and the presence of caries, hygiene habits, or use of artificial teats. Clinical Significance This study supports the role of diet in developing a cariogenic biofilm in children under 2 years of age. How to cite this article Cornejo CF, Soken LJ, Salgado PA, et al. Detection of Streptococcus mutans and Streptococcus sobrinus and Their Association with Oral Microbiome Stressors in 6-18-month-old Infants. Int J Clin Pediatr Dent 2023;16(1):68-73.
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Affiliation(s)
- Celina F Cornejo
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Odontología Preventiva y Comunitaria, Instituto de Investigaciones en Salud Publica, Buenos Aires, Argentina
| | - Luciana J Soken
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Microbiología y Parasitología, Laboratorio de Diagnostico Microbiológico y Molecular, Buenos Aires, Argentina
| | - Pablo A Salgado
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Odontología Preventiva y Comunitaria, Instituto de Investigaciones en Salud Publica, Buenos Aires, Argentina
| | - Laura A Gliosca
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Microbiología y Parasitología, Laboratorio de Diagnostico Microbiológico y Molecular, Buenos Aires, Argentina
| | - Aldo F Squassi
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Odontología Preventiva y Comunitaria, Instituto de Investigaciones en Salud Publica, Buenos Aires, Argentina
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El-Sakhawy MA, M Donia AER, Kobisi ANA, Abdelbasset WK, Saleh AM, Ibrahim AM, Negm RM. Oral Candidiasis of Tobacco Smokers: A Literature Review. Pak J Biol Sci 2023; 26:1-14. [PMID: 37129200 DOI: 10.3923/pjbs.2023.1.14] [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: 05/03/2023]
Abstract
The mouth is a vital point of entry into the human body, the health of the mouth entails mental, physical as well as social well-being. Studying diseases, microbiota and environmental conditions of the mouth is important to maintain oral health and all body. The smoke of tobacco cigarettes is one of the worst habits that affect the health of the mouth and the body. Therefore, this review has been conducted to study the effect of smoking on the balance of the oral microbiota and the opportunistic organisms, one of the most important of them <i>Candida</i>. Although a few studies have found that cigarette smoking does not influence carriage by <i>Candida</i> significantly. However, most of the studies had results completely contrary to that, smoking cigarettes affect <i>Candida</i> pathogenic characteristics such as a transition from yeast to hyphal form, biofilm formation and, virulence-related gene expressions. Tobacco is not only an inducer of the transition process but it considers an excellent medium for this process. Furthermore, smoking was significantly associated with <i>Candida</i> pathogenicity in patients with clinically suspected oral leukoplakia and smoking worsens oral candidiasis and dampens epithelial cell defense response. Nicotine significantly altered the composition and proportion of yeast cells, as well as the extracellular polysaccharide amounts which increase biofilm matrix and thickness which could promote oral candidiasis. Smoking has the potential to alter the oral condition and cause severe oxidative stress, thereby damaging the epithelial barrier of the mouth. These oxidative molecules during smoking activate epithelial cells proteins called oxidative stress-sensing proteins. If some of these proteins induced, widely thought to have anti-inflammatory properties, inhibit the secretion of pro-inflammatory cytokines and are linked to inflammation and oxidative stress is thought to be a possible therapeutic objective and a crucial regulator for smoking-related oral diseases and mouth candidiasis for instance leukoplakia. Also, it is transported into the cell nucleus in the existence of additional electrophilic chemicals to activate antioxidant enzyme gene expression. Therefore, smoking cigarettes destroys oral health and consequently destroys the health of the whole body.
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Abstract
The oral cavity is an unique ecosystem formed by different structures, tissues, and a complex microbial community formed by hundreds of different species of bacteria, fungi, viruses, phages, and the candidate phyla radiation (CPR) group, all living in symbiosis with healthy individuals. In an opposite state, dental caries is a biofilm-mediated dysbiosis that involves changes in the core microbiome composition and function, which leads to the demineralization of tooth tissues due to the fermentation of dietary carbohydrates, producing acid by select oral bacteria. The cariogenic biofilm is typically characterized by bacterial species with the ability of adhering to the saliva-coated tooth surface, production of exopolysaccharides-rich matrix (which will limit the diffusion of acidic products of carbohydrate fermentation), and the ability of surviving in this acidic environment. Besides years of research and dental treatment, dental caries remains the most common chronic disease in children worldwide. This article aims to bring an insightful discussion about important questions that remain unanswered in the Cariology and Oral Microbiology fields, to move Science forward, characterize the interrelationships of these communities, and understand mechanistic functions between microorganisms and the host, therefore leading to translatable knowledge that benefits the provision of care to our pediatric patients.
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Affiliation(s)
- Apoena Aguiar Ribeiro
- Division of Diagnostic Sciences, Adams School of Dentistry, University of North Carolina, Chapel Hill, USA
- CONTACT Apoena Aguiar Ribeiro Division of Diagnostic Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, 150 Dental Circle, Chapel Hill, CB 7450, USA
| | - Bruce J. Paster
- Department of Microbiology, The Forsyth Institute, Cambridge, Massachusetts, USA
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, USA
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Bankvall M, Carda-Diéguez M, Mira A, Karlsson A, Hasséus B, Karlsson R, Robledo-Sierra J. Metataxonomic and metaproteomic profiling of the oral microbiome in oral lichen planus - a pilot study. J Oral Microbiol 2022; 15:2161726. [PMID: 36605405 PMCID: PMC9809343 DOI: 10.1080/20002297.2022.2161726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background A growing body of evidence demonstrates a different bacterial composition in the oral cavity of patients with oral lichen planus (OLP). Patients and methods Buccal swab samples were collected from affected and non-affected sites of six patients with reticular OLP and the healthy oral mucosa of six control subjects. 16S rRNA gene MiSeq sequencing and mass spectrometry-based proteomics were utilised to identify the metataxonomic and metaproteomic profiles of the oral microbiome in both groups. Results From the metataxonomic analysis, the most abundant species in the three subgroups were Streptococcus oralis and Pseudomonas aeruginosa, accounting for up to 70% of the total population. Principal Coordinates Analysis showed differential clustering of samples from the healthy and OLP groups. ANCOM-BC compositional analysis revealed multiple species (including P. aeruginosa and several species of Veillonella, Prevotella, Streptococcus and Neisseria) significantly over-represented in the control group and several (including Granulicatella elegans, Gemella haemolysans and G. parahaemolysans) in patients with OLP. The metaproteomic data were generally congruent and revealed that several Gemella haemolysans-belonging peptidases and other proteins with inflammatory and virulence potential were present in OLP lesions. Conclusion Our data suggest that several bacterial species are associated with OLP. Future studies with larger cohorts should be conducted to determine their role in the aetiology of OLP and evaluate their potential as disease biomarkers.
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Affiliation(s)
- Maria Bankvall
- Department of Dental Medicine, Karolinska Institute, Huddinge, Sweden
| | - Miguel Carda-Diéguez
- Department of Health and Genomics, Center for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - Alex Mira
- Department of Health and Genomics, Center for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain,School of Health and Welfare, Jönköping University, Jönköping, Sweden
| | | | - Bengt Hasséus
- Department of Oral Medicine and Pathology, Institute of Odontology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Roger Karlsson
- Clinical microbiology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Jairo Robledo-Sierra
- Nanoxis Consulting AB, Gothenburg, Sweden,Faculty of Dentistry, CES University, Medellin, Colombia,CONTACT Jairo Robledo-Sierra Faculty of Dentistry, CES University, Medellin, Colombia
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Blostein F, Bhaumik D, Davis E, Salzman E, Shedden K, Duhaime M, Bakulski KM, McNeil DW, Marazita ML, Foxman B. Evaluating the ecological hypothesis: early life salivary microbiome assembly predicts dental caries in a longitudinal case-control study. MICROBIOME 2022; 10:240. [PMID: 36567334 PMCID: PMC9791751 DOI: 10.1186/s40168-022-01442-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 12/01/2022] [Indexed: 05/09/2023]
Abstract
BACKGROUND Early childhood caries (ECC)-dental caries (cavities) occurring in primary teeth up to age 6 years-is a prevalent childhood oral disease with a microbial etiology. Streptococcus mutans was previously considered a primary cause, but recent research promotes the ecologic hypothesis, in which a dysbiosis in the oral microbial community leads to caries. In this incident, density sampled case-control study of 189 children followed from 2 months to 5 years, we use the salivary bacteriome to (1) prospectively test the ecological hypothesis of ECC in salivary bacteriome communities and (2) identify co-occurring salivary bacterial communities predicting future ECC. RESULTS Supervised classification of future ECC case status using salivary samples from age 12 months using bacteriome-wide data (AUC-ROC 0.78 95% CI (0.71-0.85)) predicts future ECC status before S. mutans can be detected. Dirichlet multinomial community state typing and co-occurrence network analysis identified similar robust and replicable groups of co-occurring taxa. Mean relative abundance of a Haemophilus parainfluenzae/Neisseria/Fusobacterium periodonticum group was lower in future ECC cases (0.14) than controls (0.23, P value < 0.001) in pre-incident visits, positively correlated with saliva pH (Pearson rho = 0.33, P value < 0.001) and reduced in individuals who had acquired S. mutans by the next study visit (0.13) versus those who did not (0.20, P value < 0.01). In a subset of whole genome shotgun sequenced samples (n = 30), case plaque had higher abundances of antibiotic production and resistance gene orthologs, including a major facilitator superfamily multidrug resistance transporter (MFS DHA2 family PBH value = 1.9 × 10-28), lantibiotic transport system permease protein (PBH value = 6.0 × 10-6) and bacitracin synthase I (PBH value = 5.6 × 10-6). The oxidative phosphorylation KEGG pathway was enriched in case plaque (PBH value = 1.2 × 10-8), while the ABC transporter pathway was depleted (PBH value = 3.6 × 10-3). CONCLUSIONS Early-life bacterial interactions predisposed children to ECC, supporting a time-dependent interpretation of the ecological hypothesis. Bacterial communities which assemble before 12 months of age can promote or inhibit an ecological succession to S. mutans dominance and cariogenesis. Intragenera competitions and intergenera cooperation between oral taxa may shape the emergence of these communities, providing points for preventive interventions. Video Abstract.
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Affiliation(s)
- Freida Blostein
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Deesha Bhaumik
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Elyse Davis
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Elizabeth Salzman
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Kerby Shedden
- Department of Statistics, University of Michigan, Ann Arbor, MI USA
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Melissa Duhaime
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI USA
| | - Kelly M. Bakulski
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
| | - Daniel W. McNeil
- Department of Psychology, West Virginia University, WVA, Morgantown, USA
- Department of Dental Practice & Rural Health, West Virginia University, Morgantown, WV USA
| | - Mary L. Marazita
- Department of Oral and Craniofacial Sciences, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA USA
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA USA
- Clinical and Translational Sciences Institute, and Department of Psychiatry, School of Medicine, University of Pittsburgh, Pittsburgh, PA USA
| | - Betsy Foxman
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI USA
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Villanueva-Castellote Á, Llena Puy C, Carda-Diéguez M, Mira Á, Ferrer MD. Ex vivo evaluation of antibiotic sensitivity in samples from endodontic infections. J Oral Microbiol 2022; 15:2160536. [PMID: 36583208 PMCID: PMC9793940 DOI: 10.1080/20002297.2022.2160536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Objective To develop an in vitro model for real-time monitoring of endodontic biofilm growth and evaluate the ex vivo effect of antibiotics on biofilm growth. Material and Methods Root canal samples were taken from 40 patients and inoculated into 96-well plates in a system that measures biofilm growth through electrical impedance. Biofilm bacterial composition at the genus and species level was analyzed by Illumina sequencing. ANCOM-BC corrected data were used to compare bacterial composition after antibiotic treatment through compositional analysis, and to compare microbiological with clinical data. Results The stationary phase was reached at 8 hours. The biofilm formed had a similar bacterial composition to the inoculum, and Enterococcus faecalis was virtually absent from the samples. The bacterial composition and the effect of antibiotics were sample-dependent. Metronidazole was the antibiotic that most inhibited biofilm formation and azithromycin the one that inhibited it in the highest percentage of cases. The antibiotic effect could not be related to the biofilm original bacterial composition. Conclusions The impedance system allowed real-time monitoring of endodontic biofilm formation, and we propose it as a model for ex vivo evaluation of the whole biofilm susceptibility to antimicrobials, as opposed to evaluating antibiotic sensitivity of specific bacterial isolates.
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Affiliation(s)
| | - Carmen Llena Puy
- Department of Stomatology, Universitat de València, Valencia, Spain,CONTACT Carmen Llena Puy Department of Stomatology, Universitat de València, Valencia, Spain
| | - Miguel Carda-Diéguez
- Genomics&Health Department, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO), Valencia, Spain
| | - Álex Mira
- Genomics&Health Department, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO), Valencia, Spain,CIBER in Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
| | - María D. Ferrer
- Genomics&Health Department, Foundation for the Promotion of Health and Biomedical Research of Valencia Region (FISABIO), Valencia, Spain
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Zhang Y, Wu YP, Feng V, Cao GZ, Feng XP, Chen X. Microbiota of preterm infant develops over time along with the first teeth eruption. Front Microbiol 2022; 13:1049021. [PMID: 36620010 PMCID: PMC9813514 DOI: 10.3389/fmicb.2022.1049021] [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: 09/22/2022] [Accepted: 11/25/2022] [Indexed: 12/24/2022] Open
Abstract
Objective The temporal growth of the infant microbiome in the early years of life influences short- and long-term infant health. The aim of this longitudinal study was to investigate bacterial dynamics in the microbiome of preterm infants during tooth eruption. Methods Saliva samples from normally delivered (n = 24) and preterm infants (n = 31) were collected 30 days after birth and after the eruption of two primary mandibular incisors. Based on Illumina MiSeq Sequencing of the 16S rRNA gene, the dynamic microbial changes of newborns at two-time points were investigated. Meanwhile, the Human Oral Microbiome Database was adopted for assigning taxonomy. Results Using alpha and beta diversity analyses, different shift patterns of microbiome structures in preterm and healthy participants and bacterial diversity over time were observed. The relative abundance and shifts trend, along with the two lower primary central incisors eruption, of core oral flora varies in full-term and preterm groups, including Gemella spp., Rothia mucilaginosa, Veillonella atypica, etc. Several microorganisms colonize later in the oral microbiome development of premature babies, such as Gemella spp. In addition to teeth eruption, the growth of the saliva microbiome in preterm infants could be influenced by breastfeeding durations and birth weight. Conclusion This study provided insights into how the oral microbiota changes during tooth eruption in preterm infants and how the colonization of the oral cavity with bacteria in preterm infants differs significantly from that in full-term infants.
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Affiliation(s)
| | | | | | | | | | - Xi Chen
- *Correspondence: Xi Chen, ; Xi-Ping Feng,
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Guo H, Li J, Yao H, Liu Y, Ji Y, Zhang J, Zhao Y, Du M. The dynamic communities of oral microbiome in neonates. Front Microbiol 2022; 13:1052525. [PMID: 36560953 PMCID: PMC9764626 DOI: 10.3389/fmicb.2022.1052525] [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: 09/24/2022] [Accepted: 11/03/2022] [Indexed: 12/12/2022] Open
Abstract
The oral microbiome, associated with both oral disease and systemic disease, is in dynamic status along the whole life, and many factors including maternal microbiomes could impact the oral microbiome. While fewer studies have been conducted to study the characteristics of the oral microbiome in neonates and the associated maternal factors. Hence, we collected the microbiome of 15 mother-infant pairs across multiple body sites from birth up to 4 days postpartum and used high-throughput sequencing to characterize the microbiomes in mothers and their neonates. The oral microbiome in the neonates changed obviously during the 4 days after birth. Many bacteria originating from the vagina, skin, and environment disappeared in oral cavity over time, such as Prevotella bivia and Prevotella jejuni. Meanwhile, Staphylococcus epidermidis RP62A phage SP-beta, predominate bacterium in maternal skin microbiome and Streptococcus unclassified, main bacterium in vaginal microbiome, obviously increased in neonatal oral microbiome as time went on. Interestingly, as time progressed, the composition of the oral microbiome in the neonates was more similar to that of the milk microbiome in their mothers. Moreover, we found that the changes in the predominant bacteria in the neonates were in line with those in the neonates exposed to the environment. Together, these data described the sharp dynamics of the oral microbiome in neonates and the importance of maternal efforts in the development of the neonatal microbiome.
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Affiliation(s)
- Haiying Guo
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Jin Li
- Department of Stomatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hantao Yao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Yina Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Yaoting Ji
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Jing Zhang
- Department of Oral Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yun Zhao
- Maternal and Child Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Minquan Du
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China,*Correspondence: Minquan Du,
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Donovan SM, Abrams SA, Azad MB, Belfort MB, Bode L, Carlson SE, Dallas DC, Hettinga K, Järvinen K, Kim JH, Lebrilla CB, McGuire MK, Sela DA, Neu J. Summary of the joint National Institutes of Health and the Food and Drug Administration workshop titled "exploring the science surrounding the safe use of bioactive ingredients in infant formula: Considerations for an assessment framework". J Pediatr 2022; 255:30-41.e1. [PMID: 36463938 PMCID: PMC10121942 DOI: 10.1016/j.jpeds.2022.11.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/20/2022] [Accepted: 11/18/2022] [Indexed: 12/03/2022]
Affiliation(s)
- Sharon M Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana, IL
| | - Steven A Abrams
- Department of Pediatrics Dell Medical School, The University of Texas at Austin, Austin, TX
| | - Meghan B Azad
- Department of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada; Manitoba Interdisciplinary Lactation Centre (MILC), Children's Hospital Research Institute of Manitoba, Winnipeg, Canada
| | - Mandy B Belfort
- Department of Pediatric Newborn Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Lars Bode
- Department of Pediatrics and Mother-Milk-Infant Center of Research Excellence (MOMI CORE), University of California, San Diego, La Jolla, CA
| | - Susan E Carlson
- Department of Dietetics and Nutrition, Kansas University Medical Center and The University of Kansas, Kansas City, KS
| | - David C Dallas
- Department of Nutrition, Oregon State University, Corvallis, OR
| | - Kasper Hettinga
- Department of Food Sciences and Agrotechnology, Wageningen University, Wageningen, Netherlands
| | - Kirsi Järvinen
- Department of Pediatrics, Golisano Children's Hospital and University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - Jae H Kim
- Perinatal Institute, Department of Pediatrics, Cincinnati Children's Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH
| | | | | | - David A Sela
- Department of Food Science, University of Massachusetts, Amherst, Amherst, MA
| | - Josef Neu
- Department of Pediatrics, University of Florida, Gainesville, FL.
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Karaçam S, Tunçer S. Exploiting the Acidic Extracellular pH: Evaluation of Streptococcus salivarius M18 Postbiotics to Target Cancer Cells. Probiotics Antimicrob Proteins 2022; 14:995-1011. [PMID: 34080175 DOI: 10.1007/s12602-021-09806-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2021] [Indexed: 12/24/2022]
Abstract
Previously, we showed that the growth, antibiotic resistance, and biofilm formation properties of the pathogens Pseudomonas aeruginosa and Klebsiella pneumonia were tremendously inhibited by the cell-free supernatant of the oral probiotic Streptococcus salivarius M18. These anti-pathogenic activities of the supernatant were more efficient under acidic conditions. The present approach takes advantage of the acidic nature of the tumor microenvironment to evaluate the effect of the S. salivarius M18 postbiotics on colon cancer cells. In both two-dimensional (2D) and three-dimensional (3D) cell culture models, S. salivarius M18 cell-free supernatant showed anti-cancer actions in the pH conditions mimicking the acidity of the tumor. The inhibitory effect was more prominent when the colon cancer cells have been treated with the cell-free supernatant obtained from the inulin incubated S. salivarius M18. The results of this study point out the potential of the S. salivarius M18 functional probiotic products to be used for targeting low pH environments including the unique acidic microenvironment of tumors.
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Affiliation(s)
- Sevinç Karaçam
- Department of Biotechnology, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
- Biotechnology Application and Research Center, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
| | - Sinem Tunçer
- Biotechnology Application and Research Center, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
- Department of Medical Services and Techniques, Vocational School of Health Services, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
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Morishima S, Takeda K, Greenan S, Maki Y. Salivary microbiome in children with Down syndrome: a case-control study. BMC Oral Health 2022; 22:438. [PMID: 36203175 PMCID: PMC9535924 DOI: 10.1186/s12903-022-02480-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Down syndrome (DS), a most frequently occurring genetic disorder, is associated with oral morphological abnormalities and higher incidence rates of oral diseases. Recent studies have analyzed the oral microbiome to elucidate their relationships with oral diseases and general health; however, reports on the oral microbiome in individuals with DS are scarce. This study aimed to characterize the oral microbiome in children with DS. METHODS A total of 54 children aged 1-13 years were enrolled in this case-control study. Of these children, 27 had DS (Case: DS group) and 27 were age-matched healthy children (Control: ND group). Saliva in the oral cavity was collected with a swab, cultured, and tested for cariogenic and periodontopathic bacteria by quantitative polymerase chain reaction (qPCR) detection, and the salivary microbiome was analyzed using next-generation sequencing. The student's t-test, Fisher's exact test, Mann-Whitney U test, and permutational multivariate analysis of variance were used for statistical analysis. RESULTS Results of culture and qPCR detection tests for cariogenic and periodontopathic bacteria showed no significant differences in the detected bacteria between the DS and ND groups, with the exception of a significantly higher detection rate of Candida albicans in children with DS with mixed dentition. A comparison of the salivary microbiomes by 16S sequencing showed no significant difference in α diversity; however, it showed a significant difference in β diversity. Children with DS had a higher relative abundance of Corynebacterium and Cardiobacterium, and lower relative abundance of TM7. CONCLUSIONS This study provided basic data on the salivary microbiome of children with DS and showed the microbiological markers peculiar to children with DS. However, further research to identify the relationship with oral diseases is warranted.
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Affiliation(s)
- Seiji Morishima
- The Lion Foundation for Dental Health, 1-3-7, Honjo, Sumida-ku, Tokyo, 130-8644, Japan.
| | - Kaori Takeda
- The Lion Foundation for Dental Health, 1-3-7, Honjo, Sumida-ku, Tokyo, 130-8644, Japan
| | - Setsue Greenan
- The Lion Foundation for Dental Health, 1-3-7, Honjo, Sumida-ku, Tokyo, 130-8644, Japan
| | - Yoshinobu Maki
- The Lion Foundation for Dental Health, 1-3-7, Honjo, Sumida-ku, Tokyo, 130-8644, Japan
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Alyousef YM, Alonaizan FA, Alsulaiman AA, Aldarwish MI, Alali AA, Almasood NN, Vatte C, Cyrus C, Habara AH, Koeleman BP. Oral microbiota analyses of Saudi sickle cell anemics with dental caries. Int Dent J 2022; 73:144-150. [PMID: 36180284 PMCID: PMC9875248 DOI: 10.1016/j.identj.2022.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 06/06/2022] [Accepted: 06/24/2022] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVES The objectives of this study were to identify the composition of oral microbiota in a cohort of patients with sickle cell anemia (SCA) and a high mean number of decayed, missing, and filled permanent teeth (DMFT) and compare it to a cohort of patients with SCA and a low number of DMFT and elucidate the effect of fetal haemoglobin levels on the oral microbiota composition. METHODS Patients who had been diagnosed with SCA, who were homozygous for sickling β-globin mutation (βS/βS), who had Arab-Indian haplotype, and who ranged in age from 5 to 12 years were included in this study. Oral saliva from each participant (n = 100) was collected in GeneFiX™ Saliva DNA Microbiome Collection tube and DNA was extracted using GeneFiX™ DNA Isolation Kits. The composition of oral 16S rRNA from patients with SCA and high dental caries (n = 27, DMFT ≥5) and low dental caries (n = 73, DMFT ≤4) was analysed. Sequencing was performed on an Ion Personal Genome Machine using, Ion PGM Hi-Q view Sequencing 400-bp kit. RESULTS We observed an overall increase in abundance of Proteobacteria, Chloroflexi, and Bacteroidetes in the high DMFT index group compared to those with a low DMFT index. In addition, there was an overall increased abundance of microbiota from Proteobacteria, Fusobacteria, Firmicutes, and Bacteroidetes in the patients with SCA with low fetal haemoglobin compared to those with high fetal haemoglobin (P < .05). Enterobacteriaceae species were the most significant abundant species of bacteria found in both the high DMFT index group and low fetal haemoglobin cohort (P < .05). CONCLUSIONS Our data indicate that SCA in Saudi patients with high DMFT have a higher predominance of pathogenic bacteria compared to those with low DMFT. Furthermore, SCA in Saudi patients with low fetal haemoglobin have a higher predominance of pathogenic bacteria compared to those with higher fetal haemoglobin.
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Affiliation(s)
- Yousef M. Alyousef
- College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Faisal A. Alonaizan
- College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Ahmed A. Alsulaiman
- College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | | | - Ali A. Alali
- College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Naif N. Almasood
- College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Chittibabu Vatte
- Department of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Cyril Cyrus
- Department of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Alawi H. Habara
- Department of Clinical Biochemistry, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia,Corresponding author. Department of Clinical Biochemistry, College of Medicine, building 72A, Imam Abdulrahman bin Faisal University, Dammam 31441, Saudi Arabia.
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D’Agostino S, Ferrara E, Valentini G, Stoica SA, Dolci M. Exploring Oral Microbiome in Healthy Infants and Children: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:11403. [PMID: 36141674 PMCID: PMC9517473 DOI: 10.3390/ijerph191811403] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Recent advances in the development of next-generation sequencing (NGS) technologies, such as the 16S rRNA gene sequencing, have enabled significant progress in characterizing the architecture of the oral microbiome. Understanding the taxonomic and functional components of the oral microbiome, especially during early childhood development, is becoming critical for identifying the interactions and adaptations of bacterial communities to dynamic conditions that may lead to the dysfunction of the host environment, thereby contributing to the onset and/or progression of a wide range of pathological conditions. We aimed to provide a comprehensive overview of the most recent evidence from studies of the oral microbiome of infants and young children, focusing on the development of oral microbiome in the window of birth to 18 years, focusing on infants. A systematic literature search was conducted in PubMed, Scopus, WOS, and the WHO clinical trial website for relevant articles published between 2006 to 2022 to identify studies that examined genome-wide transcriptome of the oral microbiome in birth, early childhood, and adolescence performed via 16s rRNA sequence analysis. In addition, the references of selected articles were screened for other relevant studies. This systematic review was performed in accordance PRISMA guidelines. Data extraction and quality assessment were independently conducted by two authors, and a third author resolved discrepancies. Overall, 34 studies were included in this systematic review. Due to a considerable heterogeneity in study population, design, and outcome measures, a formal meta-analysis was not carried out. The current evidence indicates that a core microbiome is present in newborns, and it is stable in species number. Disparity about delivery mode influence are found. Further investigations are needed.
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Affiliation(s)
- Silvia D’Agostino
- Department of Interdisciplinary Medicine, University A. Moro, 70124 Bari, Italy
| | - Elisabetta Ferrara
- Department of Medical, Oral and Biotechnological Sciences, University G. d’Annunzio, 66100 Chieti, Italy
| | - Giulia Valentini
- Department of Medical, Oral and Biotechnological Sciences, University G. d’Annunzio, 66100 Chieti, Italy
| | - Sorana Andreea Stoica
- Department of Medical, Oral and Biotechnological Sciences, University G. d’Annunzio, 66100 Chieti, Italy
| | - Marco Dolci
- Department of Medical, Oral and Biotechnological Sciences, University G. d’Annunzio, 66100 Chieti, Italy
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Ding M, Chen H, Yu R, Ross RP, Stanton C, Zhang H, Yang B, Chen W. Shared and Non-Shared sIgA-Coated and -Uncoated Bacteria in Intestine of Mother–Infant Pairs. Int J Mol Sci 2022; 23:ijms23179873. [PMID: 36077271 PMCID: PMC9456154 DOI: 10.3390/ijms23179873] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/19/2022] [Accepted: 08/26/2022] [Indexed: 11/23/2022] Open
Abstract
The infant gut microbiota is critical for promoting and maintaining early-life health. The study aimed to analyze the composition of sIgA-coated and sIgA-uncoated bacterial communities at genus level and lactobacilli and bifidobacterial communities at species level in human breast milk (HBM) and infant and maternal feces. Eleven pregnant women were recruited successfully. HBM; infant feces during colostrum, transition, and mature stages; and maternal feces within the mature stage were collected. sIgA-coated and sIgA-uncoated bacteria were separated with magnetic-activated cell sorting. Then, 16S rRNA sequencing, bifidobacterial groEL gene sequencing, and lactobacilli groEL gene sequencing were performed to analyze the bacterial community. PCoA revealed that the compositions of sIgA-coated and sIgA-uncoated bacteria were different among HBM and infant and maternal feces. Higher relative abundance of sIgA-uncoated Bifidobacterium was found in the three lactation stages in infant feces compared to the corresponding HBM, and a higher relative abundance of sIgA-uncoated Faecalibacterium was found in maternal feces compared to HBM and infant feces. For bifidobacterial community, sIgA-coated and sIgA-uncoated B. longum subsp. infantis and B. pseudocatenulatum was dominant in infant feces and maternal feces, respectively. The relative abundance of sIgA-uncoated B. longum subsp. infantis was significantly higher in infant feces compared to that in maternal feces. For the Lactobacillus community, L. paragasseri and L. mucosae were dominant in infant and maternal feces, respectively. HBM and infant and maternal feces showed distinct diversity and composition of both sIgA-coated and sIgA-uncoated bacteria at genus level. Infant and maternal feces showed similar composition of Bifidobacterium at species level. The same Bifidobacterium species could be detected both in sIgA-coated and -uncoated form. This article provided deeper understanding on the microbiota profile in HBM and infant and maternal feces.
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Affiliation(s)
- Mengfan Ding
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Haiqin Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Renqiang Yu
- Department of Neonatology, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi 214122, China
- Correspondence: (R.Y.); (B.Y.)
| | - Reynolds Paul Ross
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
| | - Catherine Stanton
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Co Cork, Ireland
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
| | - Bo Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- Correspondence: (R.Y.); (B.Y.)
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
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