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Ghosh A, Jaaback K, Boulton A, Wong-Brown M, Raymond S, Dutta P, Bowden NA, Ghosh A. Fusobacterium nucleatum: An Overview of Evidence, Demi-Decadal Trends, and Its Role in Adverse Pregnancy Outcomes and Various Gynecological Diseases, including Cancers. Cells 2024; 13:717. [PMID: 38667331 PMCID: PMC11049087 DOI: 10.3390/cells13080717] [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: 03/07/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Gynecological and obstetric infectious diseases are crucial to women's health. There is growing evidence that links the presence of Fusobacterium nucleatum (F. nucleatum), an anaerobic oral commensal and potential periodontal pathogen, to the development and progression of various human diseases, including cancers. While the role of this opportunistic oral pathogen has been extensively studied in colorectal cancer in recent years, research on its epidemiological evidence and mechanistic link to gynecological diseases (GDs) is still ongoing. Thus, the present review, which is the first of its kind, aims to undertake a comprehensive and critical reappraisal of F. nucleatum, including the genetics and mechanistic role in promoting adverse pregnancy outcomes (APOs) and various GDs, including cancers. Additionally, this review discusses new conceptual advances that link the immunomodulatory role of F. nucleatum to the development and progression of breast, ovarian, endometrial, and cervical carcinomas through the activation of various direct and indirect signaling pathways. However, further studies are needed to explore and elucidate the highly dynamic process of host-F. nucleatum interactions and discover new pathways, which will pave the way for the development of better preventive and therapeutic strategies against this pathobiont.
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Affiliation(s)
- Arunita Ghosh
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia;
- Drug Repurposing and Medicines Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia;
| | - Ken Jaaback
- Hunter New England Centre for Gynecological Cancer, John Hunter Hospital, Newcastle, NSW 2305, Australia;
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Angela Boulton
- Newcastle Private Hospital, Newcastle, NSW 2305, Australia; (A.B.); (S.R.)
| | - Michelle Wong-Brown
- Drug Repurposing and Medicines Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia;
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Steve Raymond
- Newcastle Private Hospital, Newcastle, NSW 2305, Australia; (A.B.); (S.R.)
| | - Partha Dutta
- Department of Medicine, Division of Cardiology, University of Pittsburgh, Pittsburgh, PA 15261, USA;
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Nikola A. Bowden
- Drug Repurposing and Medicines Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia;
- School of Medicine and Public Health, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Arnab Ghosh
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia;
- Drug Repurposing and Medicines Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia;
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Bhatia Z, Kumar S, Seshadri S. Composition and interaction of maternal microbiota with immune mediators during pregnancy and their outcome: A narrative review. Life Sci 2024; 340:122440. [PMID: 38278350 DOI: 10.1016/j.lfs.2024.122440] [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: 10/18/2023] [Revised: 12/26/2023] [Accepted: 01/14/2024] [Indexed: 01/28/2024]
Abstract
The connection between maternal microbiota and infant health has been greatly garnered interest for therapeutic purposes. The early resident microbiota perpetually exhibits much more flexibility as compared to that of the adults, and therefore, constant need of understanding the infant as well as maternal microbiota and their implications however has increased. In this review, we focus mainly on the diversity of overall maternal microbiota including the gut, vaginal, colostrum microbiota and how inflammatory markers fluctuate throughout the normal pregnancy as well in pregnancy with complications. The maternal body undergoes a cascade of physiological changes including hormonal, immunological and metabolic events to support the fetal development. These changes at the time of pregnancy have been correlated with alteration in the composition and diversity of maternal microbiota. Along with alteration in microbiome, the levels of circulatory cytokines fluctuate by complex network of inflammation, in order to prevent the fetal allograft throughout the pregnancy. The dynamic relationship of gut microbiota with the host and its immune system allows one to have greater insights of their role in pregnancy and newborn's health. Emerging evidence suggests that the vertical transmission of bacterial community from mother to newborn may begin in-utero which contributes in developing the immune system and infant gut microbiota.
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Affiliation(s)
- Zeel Bhatia
- Institute of Science, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Sunny Kumar
- Institute of Science, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Sriram Seshadri
- Institute of Science, Nirma University, Ahmedabad, Gujarat 382481, India.
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Anumula S, Nalla K, Pandala P, Kotha R, Harsha N. Rural Versus Urban Mothers' Microbiome Difference and Its Effect on Neonates: A Systematic Review. Cureus 2024; 16:e55607. [PMID: 38586721 PMCID: PMC10995522 DOI: 10.7759/cureus.55607] [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] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
The growth and development of microorganisms are stimulated by external stimuli. Urbanization has changed the macroenvironment and individual microenvironmental factors such as smoking, alcohol, and diet, which can alter the microbiota and influence disease in the mother and child. However, the microbiome difference between rural and urban mothers and its effect on neonates have received little attention, as per sources; we have not found any systematic review. This review determined the microbiome difference between rural and urban mothers and its effect on neonates. Five studies selected based on inclusion/exclusion criteria were retrieved from PubMed, Scopus, and Embase databases, and evidence-based comparisons were made to establish the microbiome difference in rural and urban mothers and its effect on neonates. The study findings indicate that microbiome development in newborns is hindered by urbanization. Infants born to urban mothers have reduced microbial diversity, thereby having decreased protective immunity.
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Affiliation(s)
- Soumya Anumula
- Pediatrics, Government Medical College Vikarabad, Vikarabad, IND
| | - Krishna Nalla
- Community Medicine, Government Medical College Jangaon, Jangaon, IND
| | | | - Rakesh Kotha
- Neonatology, Osmania Medical College, Hyderabad, IND
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Loewe MF, Doll-Nikutta K, Stiesch M, Schwestka-Polly R. Biofilm volume and acidification within initial biofilms formed in situ on buccally and palatally exposed bracket material. J Orofac Orthop 2024:10.1007/s00056-024-00515-4. [PMID: 38409443 DOI: 10.1007/s00056-024-00515-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 12/22/2023] [Indexed: 02/28/2024]
Abstract
PURPOSE Acidification by bacterial biofilms at the bracket/tooth interface is one of the most common problems in fixed orthodontic treatments, which can lead to white spot lesions (WSL) and caries. As lingual brackets were shown to exhibit reduced WSL formation clinically, the aim of this in situ study was to compare initial intraoral biofilm formation and acidification on bracket-like specimens placed buccally and palatally in the upper jaw as a possible cause for this observation. METHODS Intraoral biofilm was collected from splints equipped with buccally and palatally exposed test specimens, which were worn by 12 volunteers for a total of 48 h. The test specimens consisted of standard bracket material cylinders on top of a hydroxyapatite disc to represent the bracket/tooth interface. They were analyzed for three-dimensional biofilm volume and live/dead distribution by fluorescence staining and confocal laser scanning microscopy as well as for acidification by fluorescence-based pH ratiometry. RESULTS Similar general biofilm morphology with regard to volume and viability could be detected for buccally and palatally exposed specimens. For pH values, biofilms from both positions showed increased acidification at the bottom layer. Interestingly, the pH value at the top layers of the biofilms was slightly lower on palatally than on buccally exposed specimens, which may likely be due to anatomic conditions. CONCLUSION Based on the results of this study, initial intraoral biofilm formation and acidification is almost similar on the bracket material/biomimetic tooth interface when placed buccally or palatally in the upper jaw. As lingual brackets were shown to exhibit reduced WSL formation clinically, future studies should investigate further factors like bracket geometry.
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Affiliation(s)
- Micha Frederic Loewe
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany.
| | - Katharina Doll-Nikutta
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany
| | - Meike Stiesch
- Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany
| | - Rainer Schwestka-Polly
- Department of Orthodontics, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
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Shi G, Zhu B, Wu Q, Dai J, Sheng N. Prenatal exposure to hexafluoropropylene oxide trimer acid (HFPO-TA) disrupts the maternal gut microbiome and fecal metabolome homeostasis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169330. [PMID: 38135079 DOI: 10.1016/j.scitotenv.2023.169330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/09/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023]
Abstract
Initially considered a "safe" substitute for perfluorooctanoic acid (PFOA), hexafluoropropylene oxide trimer acid (HFPO-TA) has been extensively used in the production of fluoropolymers for several years, leading to its environmental ubiquity and subsequent discovery of its significant bio-accumulative properties and toxicological effects. However, the specific impact of HFPO-TA on females, particularly those who are pregnant, remains unclear. In the present study, pregnant mice were exposed to 0.63 mg/kg/day HFPO-TA from gestational day (GD) 2 to GD 18. We then determined the potential effects of exposure on gut microbiota and fecal metabolites at GD 12 (mid-pregnancy) and GD 18 (late pregnancy). Our results revealed that, in addition to liver damage, HFPO-TA exposure during the specified window altered the structure and function of cecal gut microbiota. Notably, these changes showed the opposite trends at GD 12 and GD 18. Specifically, at GD 12, HFPO-TA exposure primarily resulted in the down-regulation of relative abundances within genera from the Bacteroidetes and Proteobacteria phyla, as well as associated Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. With extended exposure time, the down-regulated genera within Proteobacteria became significantly up-regulated, accompanied by corresponding up-regulation of human disease- and inflammation-associated pathways, suggesting that HFPO-TA exposure can induce intestinal inflammation and elevate the risk of infection during late pregnancy. Pearson correlation analysis revealed that disturbances in the gut microbiota were accompanied by abnormal fecal metabolite. Additionally, alterations in hormones related to the steroid hormone biosynthesis pathway at both sacrifice time indicated that HFPO-TA exposure might change the steroid hormone level of pregnant mice, but need further study. In conclusion, this study provides new insights into the mechanisms underlying HFPO-TA-induced adverse effects and increases awareness of potential persistent health risks to pregnant females.
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Affiliation(s)
- Guohui Shi
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Bao Zhu
- State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, School of Environmental Sciences and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qi Wu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jiayin Dai
- State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, School of Environmental Sciences and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Nan Sheng
- State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, School of Environmental Sciences and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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Bernabeu M, Cabello-Yeves E, Flores E, Samarra A, Kimberley Summers J, Marina A, Collado MC. Role of vertical and horizontal microbial transmission of antimicrobial resistance genes in early life: insights from maternal-infant dyads. Curr Opin Microbiol 2024; 77:102424. [PMID: 38237429 DOI: 10.1016/j.mib.2023.102424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 02/12/2024]
Abstract
Early life represents a critical window for metabolic, cognitive and immune system development, which is influenced by the maternal microbiome as well as the infant gut microbiome. Antibiotic exposure, mode of delivery and breastfeeding practices modulate the gut microbiome and the reservoir of antibiotic resistance genes (ARGs). Vertical and horizontal microbial gene transfer during early life and the mechanisms behind these transfers are being uncovered. In this review, we aim to provide an overview of the current knowledge on the transfer of antibiotic resistance in the mother-infant dyad through vertical and horizontal transmission and to highlight the main gaps and challenges in this area.
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Affiliation(s)
- Manuel Bernabeu
- Institute of Agrochemistry and Food Technology - National Research Council (IATA-CSIC), 46980 Valencia, Spain.
| | - Elena Cabello-Yeves
- Instituto de Biomedicina de Valencia-Consejo de Investigaciones Científicas (IBV-CSIC), CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain.
| | - Eduard Flores
- Institute of Agrochemistry and Food Technology - National Research Council (IATA-CSIC), 46980 Valencia, Spain
| | - Anna Samarra
- Institute of Agrochemistry and Food Technology - National Research Council (IATA-CSIC), 46980 Valencia, Spain
| | - Joanna Kimberley Summers
- Wellington Lab, School of Life Sciences, University of Warwick, CV4 7AL Coventry, United Kingdom
| | - Alberto Marina
- Instituto de Biomedicina de Valencia-Consejo de Investigaciones Científicas (IBV-CSIC), CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - M Carmen Collado
- Institute of Agrochemistry and Food Technology - National Research Council (IATA-CSIC), 46980 Valencia, Spain
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Uchiyama‐Tanaka Y, Shimabukuro F, Okumura E, Fujishima M. The effect of Chlorella supplementation in pregnant women with low-grade inflammation. Food Sci Nutr 2024; 12:292-297. [PMID: 38268875 PMCID: PMC10804112 DOI: 10.1002/fsn3.3759] [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: 06/14/2023] [Revised: 09/15/2023] [Accepted: 09/27/2023] [Indexed: 01/26/2024] Open
Abstract
Pregnancy dramatically changes maternal metabolism and the microbiome. Low-grade inflammation can cause maternal complications and fetal abnormalities. The objective of this open-label, randomized, controlled study was to evaluate the efficacy and safety of orally administered Chlorella, a green alga that is commercially available as a dietary supplement with rich nutrients and dietary fiber for pregnant women with low-grade inflammation. Patients with C-reactive protein levels >0.05 mg/dL (16 weeks gestation, n = 22) were enrolled and randomly allocated to the Chlorella group (n = 10) or control group (n = 12). We conducted blood biochemical tests at 25, 30, and 35 weeks gestation and evaluated the evacuation status (symptoms depending on the Rome IV C2 criteria and laxative usage), side effects, and complications throughout the investigation. We also monitored the status of the offspring. The Chlorella group (n = 0) showed a significantly lower rate of constipation than the control group (n = 8). This study demonstrated the beneficial effects and safety of Chlorella supplementation in pregnant women, which prevented constipation and unnecessary laxative administration.
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Denis H, Werth R, Greuling A, Schwestka-Polly R, Stiesch M, Meyer-Kobbe V, Doll K. Antibacterial properties and abrasion-stability: Development of a novel silver-compound material for orthodontic bracket application. J Orofac Orthop 2024; 85:30-42. [PMID: 35849137 DOI: 10.1007/s00056-022-00405-7] [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: 08/04/2021] [Accepted: 03/24/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE Bacteria-induced white spot lesions are a common side effect of modern orthodontic treatment. Therefore, there is a need for novel orthodontic bracket materials with antibacterial properties that also resist long-term abrasion. The aim of this study was to investigate the abrasion-stable antibacterial properties of a newly developed, thoroughly silver-infiltrated material for orthodontic bracket application in an in situ experiment. METHODS To generate the novel material, silver was vacuum-infiltrated into a sintered porous tungsten matrix. A tooth brushing simulation machine was used to perform abrasion equal to 2 years of tooth brushing. The material was characterized by energy dispersive X‑ray (EDX) analysis and roughness measurement. To test for antibacterial properties in situ, individual occlusal splints equipped with specimens were worn intraorally by 12 periodontal healthy patients for 48 h. After fluorescence staining, the quantitative biofilm volume and live/dead distribution of the initial biofilm formation were analyzed by confocal laser scanning microscopy (CLSM). RESULTS Silver was infiltrated homogeneously throughout the tungsten matrix. Toothbrush abrasion only slightly reduced the material's thickness similar to conventional stainless steel bracket material and did not alter surface roughness. The new silver-modified material showed significantly reduced biofilm accumulation in situ. The effect was maintained even after abrasion. CONCLUSION A promising, novel silver-infiltrated abrasion-stable material for use as orthodontic brackets, which also exhibit strong antibacterial properties on in situ grown oral biofilms, was developed. The strong antibacterial properties were maintained even after surface abrasion simulated with long-term toothbrushing.
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Affiliation(s)
- Hannah Denis
- Department of Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany
| | - Richard Werth
- Department of Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Andreas Greuling
- Department of Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Rainer Schwestka-Polly
- Department of Orthodontics, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Meike Stiesch
- Department of Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany
| | - Viktoria Meyer-Kobbe
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany.
- Department of Orthodontics, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
| | - Katharina Doll
- Department of Dental Prosthetics and Biomedical Materials Science, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
- Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Stadtfelddamm 34, 30625, Hannover, Germany.
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Tosado-Rodríguez E, Mendez LB, Espino AM, Dorta-Estremera S, Aquino EE, Romaguera J, Godoy-Vitorino F. Inflammatory cytokines and a diverse cervicovaginal microbiota associate with cervical dysplasia in a cohort of Hispanics living in Puerto Rico. PLoS One 2023; 18:e0284673. [PMID: 38064478 PMCID: PMC10707696 DOI: 10.1371/journal.pone.0284673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Cervical cancer (CC) is women's fourth most common cancer worldwide. A worrying increase in CC rates in Hispanics suggests that besides Human papillomavirus infections, there may be other cofactors included in the epithelial microenvironment that could play a role in promoting the disease. We hypothesized that the cervical microbiome and the epithelial microenvironment favoring inflammation is conducive to disease progression in a group of Hispanics attending gynecology clinics in Puerto Rico. Few studies have focused on the joint microbiota and cytokine profile response in Hispanics outside the US, especially regarding the development of precancerous lesions. We aimed to investigate the relationship between the cervicovaginal microbiome and inflammation in Hispanic women living in PR while considering cervical dysplasia and HPV genotype risk. Cervical samples collected from 91 participants coming to gynecology clinics in San Juan, underwent 16S rRNA genes (V4 region) profiling, and cytokines were measured using Luminex MAGPIX technology. Cytokines were grouped as inflammatory (IL-1β, TNFα, IFNγ, IL-6), anti-inflammatory (IL- 4, IL-10, TGFβ1), and traffic-associated (IL-8, MIP1a, MCP1, IP10). They were related to microbes via an inflammation scoring index based on the quartile and tercile distribution of the cytokine's concentration. We found significant differences in the diversity and composition of the microbiota according to HPV type according to carcinogenic risk, cervical disease, and cytokine abundance. Community State Types (CSTs) represents a profile of microbial communities observed within the vaginal microbiome ecological niche, and Lactobacillus-depleted CST IV had ~ 90% dominance in participants with high-grade squamous intraepithelial lesions and high-risk HPV. The increasing concentration of pro-inflammatory cytokines was associated with a decrease in L. crispatus. In contrast, dysbiosis-associated bacteria such as Gardnerella, Prevotella, Atopobium concomitantly increased with pro-inflammatory cytokines. Our study highlights that the cervical microbiota of Hispanics living in Puerto Rico is composed mostly of diverse CST profiles with decreased Lactobacillus and is associated with a higher pro-inflammatory environment. The joint host-microbe interaction analyses via cytokine and microbiota profiling have very good translational potential.
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Affiliation(s)
- Eduardo Tosado-Rodríguez
- Department of Microbiology and Medical Zoology, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
| | - Loyda B. Mendez
- University Ana G. Méndez, Carolina Campus, Carolina, Puerto Rico, United States of America
| | - Ana M. Espino
- Department of Microbiology and Medical Zoology, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
| | - Stephanie Dorta-Estremera
- Department of Microbiology and Medical Zoology, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
- Cancer Biology, Comprehensive Cancer Center University of Puerto Rico, Carolina, Puerto Rico, United States of America
| | - Edna E. Aquino
- Department of Microbiology and Medical Zoology, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
| | - Josefina Romaguera
- Department of OBGYN, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
| | - Filipa Godoy-Vitorino
- Department of Microbiology and Medical Zoology, School of Medicine, Medical Sciences Campus, University of Puerto Rico, Carolina, Puerto Rico, United States of America
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Dias S, Pheiffer C, Adam S. The Maternal Microbiome and Gestational Diabetes Mellitus: Cause and Effect. Microorganisms 2023; 11:2217. [PMID: 37764061 PMCID: PMC10535124 DOI: 10.3390/microorganisms11092217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is a growing public health concern that affects many pregnancies globally. The condition is associated with adverse maternal and neonatal outcomes including gestational hypertension, preeclampsia, placental abruption, preterm birth, stillbirth, and fetal growth restriction. In the long-term, mothers and children have an increased risk of developing metabolic diseases such as type 2 diabetes and cardiovascular disease. Accumulating evidence suggest that alterations in the maternal microbiome may play a role in the pathogenesis of GDM and adverse pregnancy outcomes. This review describes changes in the maternal microbiome during the physiological adaptations of pregnancy, GDM and adverse maternal and neonatal outcomes. Findings from this review highlight the importance of understanding the link between the maternal microbiome and GDM. Furthermore, new therapeutic approaches to prevent or better manage GDM are discussed. Further research and clinical trials are necessary to fully realize the therapeutic potential of the maternal microbiome and translate these findings into clinical practice.
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Affiliation(s)
- Stephanie Dias
- Biomedical Research and Innovation Platform (BRIP), South African Medical Research Council, Tygerberg, Cape Town 7505, South Africa; (S.D.); (C.P.)
| | - Carmen Pheiffer
- Biomedical Research and Innovation Platform (BRIP), South African Medical Research Council, Tygerberg, Cape Town 7505, South Africa; (S.D.); (C.P.)
- Centre for Cardio-Metabolic Research in Africa (CARMA), Division of Medical Physiology, Faculty of Health Sciences, Stellenbosch University, Tygerberg, Cape Town 7505, South Africa
- Department of Obstetrics and Gynaecology, School of Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria 0028, South Africa
| | - Sumaiya Adam
- Department of Obstetrics and Gynaecology, School of Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria 0028, South Africa
- Diabetes Research Centre, Faculty of Health Sciences, University of Pretoria, Pretoria 0028, South Africa
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Vargas-Robles D, Romaguera J, Alvarado-Velez I, Tosado-Rodríguez E, Dominicci-Maura A, Sanchez M, Wiggin KJ, Martinez-Ferrer M, Gilbert JA, Forney LJ, Godoy-Vitorino F. The cervical microbiota of Hispanics living in Puerto Rico is nonoptimal regardless of HPV status. mSystems 2023; 8:e0035723. [PMID: 37534938 PMCID: PMC10469956 DOI: 10.1128/msystems.00357-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/26/2023] [Indexed: 08/04/2023] Open
Abstract
The cervicovaginal microbiota is influenced by host physiology, immunology, lifestyle, and ethnicity. We hypothesized that there would be differences in the cervicovaginal microbiota among pregnant, nonpregnant, and menopausal women living in Puerto Rico (PR) with and without human papillomavirus (HPV) infection and cervical cancer. We specifically wanted to determine if the microbiota is associated with variations in cervical cytology. A total of 294 women, including reproductive-age nonpregnant (N = 196), pregnant (N = 37), and menopausal (N = 61) women, were enrolled. The cervicovaginal bacteria were characterized by 16S rRNA amplicon sequencing, the HPV was genotyped with SPF10-LiPA, and cervical cytology was quantified. High-risk HPV (HR-HPV, 67.3%) was prevalent, including genotypes not covered by the 9vt HPV vaccine. Cervical lesions (34%) were also common. The cervical microbiota was dominated by Lactobacillus iners. Pregnant women in the second and third trimesters exhibited a decrease in diversity and abundance of microbes associated with bacterial vaginosis. Women in menopause had greater alpha diversity, a greater proportion of facultative and strictly anaerobic bacteria, and higher cervicovaginal pH than premenopausal women. Cervical lesions were associated with greater alpha diversity. However, no significant associations between the microbiota and HPV infection (HR or LR-HPV types) were found. The cervicovaginal microbiota of women living in Puerto Rican were either dominated by L. iners or diverse microbial communities regardless of a woman's physiological stage. We postulate that the microbiota and the high prevalence of HR-HPV increase the risk of cervical lesions among women living in PR. IMPORTANCE In the enclosed manuscript, we provide the first in-depth characterization of the cervicovaginal microbiota of Hispanic women living in Puerto Rico (PR), using a 16S rRNA approach, and include women of different physiological stages. Surprisingly we found that high-risk HPV was ubiquitous with a prevalence of 67.3%, including types not covered by the 9vt HPV vaccine. We also found highly diverse microbial communities across women groups-with a reduction in pregnant women, but dominated by nonoptimal Lactobacillus iners. Additionally, we found vaginosis-associated bacteria as Dialister spp., Gardnerella spp., Clostridium, or Prevotella among most women. We believe this is a relevant and timely article expanding knowledge on the cervicovaginal microbiome of PR women, where we postulate that these highly diverse communities are conducive to cervical disease.
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Affiliation(s)
- Daniela Vargas-Robles
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Josefina Romaguera
- Department of Obstetrics and Gynecology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Ian Alvarado-Velez
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Eduardo Tosado-Rodríguez
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Anelisse Dominicci-Maura
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
| | - Maria Sanchez
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Kara J. Wiggin
- Department of Pediatrics, University of California San Diego, La Jolla, California, USA
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California, USA
| | | | - Jack A. Gilbert
- Department of Pediatrics, University of California San Diego, La Jolla, California, USA
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California, USA
| | - Larry J. Forney
- Department of Biological Sciences, University of Idaho, Moscow, Idaho, USA
| | - Filipa Godoy-Vitorino
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, Medical Sciences Campus, San Juan, Puerto Rico
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Sakowicz A, Bralewska M, Rybak-Krzyszkowska M, Grzesiak M, Pietrucha T. New Ideas for the Prevention and Treatment of Preeclampsia and Their Molecular Inspirations. Int J Mol Sci 2023; 24:12100. [PMID: 37569476 PMCID: PMC10418829 DOI: 10.3390/ijms241512100] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Preeclampsia (PE) is a pregnancy-specific disorder affecting 4-10% of all expectant women. It greatly increases the risk of maternal and foetal death. Although the main symptoms generally appear after week 20 of gestation, scientific studies indicate that the mechanism underpinning PE is initiated at the beginning of gestation. It is known that the pathomechanism of preeclampsia is strongly related to inflammation and oxidative stress, which influence placentation and provoke endothelial dysfunction in the mother. However, as of yet, no "key players" regulating all these processes have been discovered. This might be why current therapeutic strategies intended for prevention or treatment are not fully effective, and the only effective method to stop the disease is the premature induction of delivery, mostly by caesarean section. Therefore, there is a need for further research into new pharmacological strategies for the treatment and prevention of preeclampsia. This review presents new preventive methods and therapies for PE not yet recommended by obstetrical and gynaecological societies. As many of these therapies are in preclinical studies or under evaluation in clinical trials, this paper reports the molecular targets of the tested agents or methods.
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Affiliation(s)
- Agata Sakowicz
- Department of Medical Biotechnology, Medical University of Lodz, Zeligowskiego 7/9, 90-752 Lodz, Poland; (M.B.); (T.P.)
| | - Michalina Bralewska
- Department of Medical Biotechnology, Medical University of Lodz, Zeligowskiego 7/9, 90-752 Lodz, Poland; (M.B.); (T.P.)
| | - Magda Rybak-Krzyszkowska
- Department of Obstetrics and Perinatology, University Hospital in Krakow, 31-501 Krakow, Poland;
| | - Mariusz Grzesiak
- Department of Perinatology, Obstetrics and Gynecology, Polish Mother’s Memorial Hospital-Research Institute in Lodz, 93-338 Lodz, Poland;
- Department of Gynecology and Obstetrics, Medical University of Lodz, 93-338 Lodz, Poland
| | - Tadeusz Pietrucha
- Department of Medical Biotechnology, Medical University of Lodz, Zeligowskiego 7/9, 90-752 Lodz, Poland; (M.B.); (T.P.)
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Cholewińska P, Szeligowska N, Wojnarowski K, Nazar P, Greguła-Kania M, Junkuszew A, Rant W, Radzik-Rant A, Marcinkowska A, Bodkowski R. Selected bacteria in sheep stool depending on breed and physiology state. Sci Rep 2023; 13:11739. [PMID: 37474553 PMCID: PMC10359392 DOI: 10.1038/s41598-023-38785-4] [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: 02/17/2023] [Accepted: 07/14/2023] [Indexed: 07/22/2023] Open
Abstract
One of the important factors influencing the microbial community of ruminants, besides environment or diet, are breed and physiology. Therefore, the purpose of this study was to assess these changes in the levels of basic microbial phyla and families. For this study, qPCR analysis was performed to determine the level of bacteria (Firmicutes, Bacteroidetes, Actinobacteria, Proteobacteria clusters and Clostridiaceae, Lactobacillaceae families) in the feces of ewes of three native Polish sheep breeds (Polish Lowland Sheep (PON), Świniarka Sheep (SW), and synthetic line BCP) at different physiological periods (conception, early pregnancy, lambing, end of lactation). The animals were kept in the same environment and were at the same age (2-years). The results showed a significant effect of both breed (p = 0.038) and physiological period (p < 0.05, p < 0.01) on the levels of bacteria analyzed. The breed showed differences across physiological periods. The influence of the race factor was noted primarily between the BCP synthetic line and the other two breeds (differences in terms of all analyzed clusters and families except Actinobacteria phyla). In the case of SW and PON, however, the observed differences were only at the level of Proteobacteria cluster and Clostridiaceae family. On the other hand, the early pregnant and lambing periods were the most microbiologically diverse in terms of the analyzed clusters and families of bacteria.
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Affiliation(s)
- Paulina Cholewińska
- Chair for Fish Diseases and Fisheries Biology, Ludwig-Maximilians-University of Munich, 80539, Munich, Germany
| | - Natalia Szeligowska
- Department of Chemical Sciences, University of Napoli Federico II, Via Cintia, 80126, Naples, Italy
| | - Konrad Wojnarowski
- Chair for Fish Diseases and Fisheries Biology, Ludwig-Maximilians-University of Munich, 80539, Munich, Germany
| | - Paulina Nazar
- Department of Animal Breeding and Agriculture Advisory, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, 20-950, Lublin, Poland
| | - Monika Greguła-Kania
- Department of Animal Breeding and Agriculture Advisory, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, 20-950, Lublin, Poland
| | - Andrzej Junkuszew
- Department of Animal Breeding and Agriculture Advisory, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, 20-950, Lublin, Poland
| | - Witold Rant
- Institute of Animal Breeding, Warsaw University of Life Sciences-SGGW, 02-786, Warsaw, Poland
| | - Aurelia Radzik-Rant
- Institute of Animal Breeding, Warsaw University of Life Sciences-SGGW, 02-786, Warsaw, Poland
| | - Anna Marcinkowska
- Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, 51-630, Wroclaw, Poland
| | - Robert Bodkowski
- Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, 51-630, Wroclaw, Poland.
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Togunwa TO, Babatunde AO, Abdullah KUR. Deep hybrid model for maternal health risk classification in pregnancy: synergy of ANN and random forest. Front Artif Intell 2023; 6:1213436. [PMID: 37476504 PMCID: PMC10354509 DOI: 10.3389/frai.2023.1213436] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 06/16/2023] [Indexed: 07/22/2023] Open
Abstract
Introduction Maternal health is a critical aspect of public health that affects the wellbeing of both mothers and infants. Despite medical advancements, maternal mortality rates remain high, particularly in developing countries. AI-based models provide new ways to analyze and interpret medical data, which can ultimately improve maternal and fetal health outcomes. Methods This study proposes a deep hybrid model for maternal health risk classification in pregnancy, which utilizes the strengths of artificial neural networks (ANN) and random forest (RF) algorithms. The proposed model combines the two algorithms to improve the accuracy and efficiency of risk classification in pregnant women. The dataset used in this study consists of features such as age, systolic and diastolic blood pressure, blood sugar, body temperature, and heart rate. The dataset is divided into training and testing sets, with 75% of the data used for training and 25% used for testing. The output of the ANN and RF classifier is considered, and a maximum probability voting system selects the output with the highest probability as the most correct. Results Performance is evaluated using various metrics, such as accuracy, precision, recall, and F1 score. Results showed that the proposed model achieves 95% accuracy, 97% precision, 97% recall, and an F1 score of 0.97 on the testing dataset. Discussion The deep hybrid model proposed in this study has the potential to improve the accuracy and efficiency of maternal health risk classification in pregnancy, leading to better health outcomes for pregnant women and their babies. Future research could explore the generalizability of this model to other populations, incorporate unstructured medical data, and evaluate its feasibility for clinical use.
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Affiliation(s)
- Taofeeq Oluwatosin Togunwa
- Department of Medicine and Surgery, Faculty of Clinical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo, Nigeria
- College Research and Innovation Hub, University College Hospital, Ibadan, Oyo, Nigeria
| | - Abdulhammed Opeyemi Babatunde
- Department of Medicine and Surgery, Faculty of Clinical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo, Nigeria
- College Research and Innovation Hub, University College Hospital, Ibadan, Oyo, Nigeria
- MyBelle Digital Maternal and Child Health Organisation, Ibadan, Nigeria
- Public Health Interest Group Africa (PHIGA), Lagos, Nigeria
| | - Khalil-ur-Rahman Abdullah
- Faculty of Clinical Sciences, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
- MCON Institute of Medical Research, Ilorin, Nigeria
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15
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Kosikowska U, Dłuski DF, Pietras-Ożga D, Leszczyńska-Gorzelak B, Andrzejczuk S. Prevalence of Culturable Bacteria and Yeasts in the Nasopharynx Microbiota during the Physiological Course of Pregnancy. J Clin Med 2023; 12:4447. [PMID: 37445482 DOI: 10.3390/jcm12134447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/16/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
The aim of the study was to compare the prevalence of the nasopharyngeal carriage of culturable microorganisms in the microbiota of asymptomatic women with a physiological pregnancy (PW) and nonpregnant women (NPW). Nasopharyngeal swabs were collected from 53 PW and 30 NPW to detect bacterial and fungal colonization. Isolates were identified using the culture method and the MALDI-TOF MS technique. The nasopharyngeal microbiota (NPM) partially differed between PW and NPW. These differences in the frequency of nasopharyngeal colonization between the PW and NPW groups were not statistically significant (p > 0.05); all cases were colonized by bacteria and only two cases in the PW group were colonized by yeasts, namely, Rhodotorula spp. High levels of staphylococcal colonization, including predominantly coagulase-negative staphylococci and S. aureus in the nasopharyngeal sample, were present in both groups. The reduced number of Gram-negative rods colonized in the cases studied was seen in samples from the NPW group, particularly with Enterobacterales, and anaerobic Cutibacterium spp. were isolated only in the PW group (p < 0.05). Moreover, a higher carriage rate of Enterobacter aerogenes colonization was statistically significant (p < 0.05) and correlated with the NPW group. Pregnancy may disturb the composition of the NPM represented by commensals and opportunistic bacteria and promote yeast colonization as compared to nonpregnant women.
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Affiliation(s)
- Urszula Kosikowska
- Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
| | | | - Dorota Pietras-Ożga
- Department of Epizootiology and Clinic of Infectious Diseases, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | | | - Sylwia Andrzejczuk
- Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
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16
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Mady EA, Doghish AS, El-Dakroury WA, Elkhawaga SY, Ismail A, El-Mahdy HA, Elsakka EGE, El-Husseiny HM. Impact of the mother's gut microbiota on infant microbiome and brain development. Neurosci Biobehav Rev 2023; 150:105195. [PMID: 37100161 DOI: 10.1016/j.neubiorev.2023.105195] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 04/28/2023]
Abstract
The link between the gut microbiome and health has recently garnered considerable interest in its employment for medicinal purposes. Since the early microbiota exhibits more flexibility compared to that of adults, there is a considerable possibility that altering it will have significant consequences on human development. Like genetics, the human microbiota can be passed from mother to child. This provides information on early microbiota acquisition, future development, and prospective chances for intervention. The succession and acquisition of early-life microbiota, modifications of the maternal microbiota during pregnancy, delivery, and infancy, and new efforts to understand maternal-infant microbiota transmission are discussed in this article. We also examine the shaping of mother-to-infant microbial transmission, and we then explore possible paths for future research to advance our knowledge in this area.
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Affiliation(s)
- Eman A Mady
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya,13736, Egypt.
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo, 11829, Egypt; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt.
| | - Walaa A El-Dakroury
- Department of Pharmaceutics and industrial pharmacy, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo, 11829, Egypt
| | - Samy Y Elkhawaga
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt.
| | - Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Elsayed G E Elsakka
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Hussein M El-Husseiny
- Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan.
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17
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Xiao L, Zhao F. Microbial transmission, colonisation and succession: from pregnancy to infancy. Gut 2023; 72:772-786. [PMID: 36720630 PMCID: PMC10086306 DOI: 10.1136/gutjnl-2022-328970] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/10/2023] [Indexed: 02/02/2023]
Abstract
The microbiome has been proven to be associated with many diseases and has been used as a biomarker and target in disease prevention and intervention. Currently, the vital role of the microbiome in pregnant women and newborns is increasingly emphasised. In this review, we discuss the interplay of the microbiome and the corresponding immune mechanism between mothers and their offspring during the perinatal period. We aim to present a comprehensive picture of microbial transmission and potential immune imprinting before and after delivery. In addition, we discuss the possibility of in utero microbial colonisation during pregnancy, which has been highly debated in recent studies, and highlight the importance of the microbiome in infant development during the first 3 years of life. This holistic view of the role of the microbial interplay between mothers and infants will refine our current understanding of pregnancy complications as well as diseases in early life and will greatly facilitate the microbiome-based prenatal diagnosis and treatment of mother-infant-related diseases.
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Affiliation(s)
- Liwen Xiao
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Fangqing Zhao
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, China .,University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory of System Biology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
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18
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The Importance of the Microbiota in Shaping Women’s Health—The Current State of Knowledge. Appl Microbiol 2022. [DOI: 10.3390/applmicrobiol3010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
According to current knowledge, a properly colonized human microbiota contributes to the proper functioning of the body. The composition of the natural flora changes depending on age, health, living conditions, and the use of antimicrobial agents: antibiotics, disinfectants, and some cosmetics. The human body is diversely populated with microorganisms and undergoes constant changes under the influence of various factors, and its proper composition is extremely important for the proper functioning of the body. Given the above, it was decided that we would review current scientific research that explains the cause–effect relationship between the composition of microorganisms populating the human body and health, focusing on women’s health. As a result, an overview paper was prepared based on 109 scientific sources from 2009–2022. Special attention was paid to the most recent scientific studies of the last five years, which account for more than 75% of the cited sources.
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Wiscovitch-Russo R, Taal AM, Kuelbs C, Oldfield LM, Ramar M, Singh H, Fedulov AV, Gonzalez-Juarbe N. Gut and lung microbiome profiles in pregnant mice. Front Microbiol 2022; 13:946779. [PMID: 36578567 PMCID: PMC9791091 DOI: 10.3389/fmicb.2022.946779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 11/18/2022] [Indexed: 12/14/2022] Open
Abstract
In recent years, microbiome research has expanded from the gastrointestinal tract to other host sites previously thought to be abacterial such as the lungs. Yet, the effects of pregnancy in the lung and gut microbiome remains unclear. Here we examined the changes in the gut and lung microbiome in mice at 14 days of gestation. Lung tissue and stool samples were collected from pregnant and non-pregnant female BALB/c mice, DNA was isolated, amplified, and bacterial specific V4 16S rRNA gene was sequenced. Using an in-house bioinformatic pipeline we assessed the microbial composition of each organ using stool and lung tissue samples. The stool data showed that Lachnospiraceae and Lactobacillaceae were more abundant in the pregnant mice. Likewise, Lactobacillaceae were dominant in the lungs of pregnant mice. However, Streptococcaceae were dominant in the lungs of non-pregnant mice with a low microbial abundance in the pregnant mice. A permutation test showed that pregnancy significantly contributes to the variance in both the lung and stool microbiome. At the same time, we estimate that 49% of the total detected operational taxonomic units were shared between the stool and lung data. After removing common stool-associated bacteria from the lung dataset, no microbial differential abundance was detected between the pregnant and non-pregnant lung microbial community. Thus, pregnancy contributes to variance to the lung and stool microbiome but not in the unique lung microbiota.
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Affiliation(s)
| | - Aji Mary Taal
- J. Craig Venter Institute, Rockville, MD, United States
| | - Claire Kuelbs
- J. Craig Venter Institute, Rockville, MD, United States
| | | | - MohanKumar Ramar
- Department of Surgery, Division of Surgical Research, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, Providence, RI, United States
| | | | - Alexey V. Fedulov
- Department of Surgery, Division of Surgical Research, Rhode Island Hospital, The Warren Alpert Medical School of Brown University, Providence, RI, United States
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Liang X, Wang R, Luo H, Liao Y, Chen X, Xiao X, Li L. The interplay between the gut microbiota and metabolism during the third trimester of pregnancy. Front Microbiol 2022; 13:1059227. [PMID: 36569048 PMCID: PMC9768424 DOI: 10.3389/fmicb.2022.1059227] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota undergoes dynamic changes during pregnancy. The gut microbial and metabolic networks observed in pregnant women have not been systematically analyzed. The primary purpose of this study was to explore the alterations in the gut microbiota and metabolism during late pregnancy and investigate the associations between the gut microbiota and metabolism. A total of thirty healthy pregnant women were followed from 30 to 32 weeks of gestation to full term. Fecal samples were collected for microbiome analysis and untargeted metabolomic analysis. The characteristics of the gut microbiota were evaluated by 16S ribosomal RNA gene sequencing of the V3-V4 regions. The plasma samples were used for untargeted metabolomic analysis with liquid chromatography-tandem mass spectrometry. The interplay between the gut microbiota and metabolism was analyzed further by bioinformatics approaches. We found that the relative abundances of Sellimonas and Megamonas were higher at full term, whereas that of Proteobacteria was lower. The correlation network of the gut microbiota tended to exhibit weaker connections from 32 weeks of gestation to the antepartum timepoint. Changes in the gut microbiota during late pregnancy were correlated with the absorbance and metabolism of microbiota-associated metabolites, such as fatty acids and free amino acids, thereby generating a unique metabolic system for the growth of the fetus. Decreasing the concentration of specific metabolites in plasma and increasing the levels of palmitic acid and 20-hydroxyarachidonic acid may enhance the transformation of a proinflammatory immune state as pregnancy progresses.
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Affiliation(s)
- Xinyuan Liang
- Department of Obstetrics, The Second Clinical Medical College, Jinan University (Shenzhen People’s Hospital), Shenzhen, China,The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Rongning Wang
- Department of Obstetrics, The Second Clinical Medical College, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
| | - Huijuan Luo
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Yihong Liao
- Department of Obstetrics, The Second Clinical Medical College, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
| | - Xiaowen Chen
- Department of Obstetrics, The Second Clinical Medical College, Jinan University (Shenzhen People’s Hospital), Shenzhen, China
| | - Xiaomin Xiao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Jinan University, Guangzhou, China,*Correspondence: Xiaomin Xiao,
| | - Liping Li
- Department of Obstetrics, The Second Clinical Medical College, Jinan University (Shenzhen People’s Hospital), Shenzhen, China,Liping Li,
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Gao Y, Zhou M, Zhang W, Jiang J, Ouyang Z, Zhu Y, Li N. NLRP3 mediates trophoblastic inflammasome activation and protects against Listeria monocytogenes infection during pregnancy. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1202. [PMID: 36544643 PMCID: PMC9761141 DOI: 10.21037/atm-22-4120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/21/2022] [Indexed: 11/21/2022]
Abstract
Background Intrauterine Listeria monocytogenes (L. monocytogenes) infections pose a major threat during pregnancy via affecting placental immune responses. However, the underlying mechanisms of placental defense against this pathogen remain ill-defined. Therefore, this study aims to investigate the function and the mechanism of inflammasomes on against L. monocytogenes infection during pregnancy. Methods A listeriosis murine model and cell culture system was used to investigate the role of trophoblastic nucleotide-binding oligomerization domain-like receptor pyrin domain-containing 3 (NLRP3) in orchestrating innate immune responses to L. monocytogenes infection. Caspase-1 activity was determined using a caspase-1 activity colorimetric kit. NLRP3 and apoptosis-associated speck-like protein containing a CARD (ASC) in placental tissue was detected by immunohistochemistry. NLRP3 in HTR-8/SVneo cells was also detected by immunofluorescence. The expression of interleukin 1β (IL-1β), NLRP3, ASC, and caspase-1 was detected by Western blot. We characterized the NLRP3 inflammasome in trophoblast cells according to whether L. monocytogenes infection increased the activation of caspase-1 and the release of IL-1β. For human or mouse IL-1β in the culture supernatants and mouse tissue lysates were analyzed using ELISA Kits. Results Trophoblast cells constitutively expressed the components of the NLRP3 inflammasome. In vitro, L. monocytogenes triggers NLRP3 inflammasome activation in trophoblast cells by inducing caspase-1 activation, increasing the NLRP3 protein levels, IL-1β maturation and secretion in HTR-8/SVneo cells. In vivo, L. monocytogenes induces fetal resorption and IL-1β processing in pregnant mice. In addition, NLRP3-deficient mice were more prone to fetal loss than their wild-type counterparts following infection with L. monocytogenes at a lower infective dose. Conclusions We conclude that trophoblast cells respond to L. monocytogenes infection through the NLRP3 receptor, resulting in inflammasome activation and IL-1β production, which prevents listeriosis during pregnancy.
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Affiliation(s)
- Yu Gao
- Obstetrics and Gynecology, The Second Clinical Medical College (Shenzhen People’s Hospital), Jinan University, Shenzhen, China
| | - Min Zhou
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China;,School of Life Sciences, Tsinghua University, Beijing, China
| | - Wen Zhang
- Emergency Department, The Second Clinical Medical College (Shenzhen People’s Hospital), Jinan University, Shenzhen, China
| | - Jinxing Jiang
- Cytotherapy Laboratory, The Second Clinical Medical College (Shenzhen People’s Hospital), Jinan University, Shenzhen, China
| | - Zhibin Ouyang
- Cytotherapy Laboratory, The Second Clinical Medical College (Shenzhen People’s Hospital), Jinan University, Shenzhen, China
| | - Yuanfang Zhu
- Obstetrics and Gynecology, Shenzhen Bao’an Maternal and Child Health Hospital Affiliated to Jinan University, Jinan University, Shenzhen, China;,Obstetrics and Gynecology, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Ning Li
- Biotherapy Research Center, The Second Affiliated Hospital, School of Medicine, Southern University of Science and Technology, Shenzhen, China;,Biotherapy Research Center, National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, Shenzhen, China
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22
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Pereira MDL, Levy M, Nissapatorn V, de Oliveira GLV. Editorial: Women in microbiome in health and disease 2021. Front Cell Infect Microbiol 2022; 12:1054190. [PMID: 36304933 PMCID: PMC9593082 DOI: 10.3389/fcimb.2022.1054190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Maria de Lourdes Pereira
- Centre for Research in Ceramics and Composite Materials (CICECO) - Aveiro Institute of Materials & Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Maayan Levy
- Microbiology Department, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences and World Union for Herbal Drug Discovery [WUHeDD], Walailak University, Nakhon Si Thammarat, Thailand
- *Correspondence: Gislane Lelis Vilela de Oliveira, ; Veeranoot Nissapatorn,
| | - Gislane Lelis Vilela de Oliveira
- Institute of Biosciences, Humanities and Exact Sciences (IBILCE), São Paulo State University (UNESP), Sao Jose do Rio Preto, Brazil
- *Correspondence: Gislane Lelis Vilela de Oliveira, ; Veeranoot Nissapatorn,
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23
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Hills T, Sharpe C, Wong T, Cutfield T, Lee A, McBride S, Rogers M, Soh MC, Taylor A, Taylor S, Thomas M. Fetal Loss and Preterm Birth Caused by Intraamniotic Haemophilus influenzae Infection, New Zealand. Emerg Infect Dis 2022; 28:1749-1754. [PMID: 35997306 PMCID: PMC9423897 DOI: 10.3201/eid2809.220313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
H. influenzae is as a rare but major cause of pregnancy-associated invasive disease. Invasive Haemophilus influenzae infection during pregnancy can cause preterm birth and fetal loss, but the mechanism is unclear. We investigated 54 cases of pregnancy-associated invasive H. influenzae disease in 52 unique pregnancies in the Auckland region of New Zealand during October 1, 2008‒September 30, 2018. Intraamniotic infection was identified in 36 (66.7%) of 54 cases. Outcome data were available for 48 pregnancies. Adverse pregnancy outcomes, defined as fetal loss, preterm birth, or the birth of an infant requiring intensive/special care unit admission, occurred in 45 (93.8%) of 48 (pregnancies. Fetal loss occurred in 17 (35.4%) of 48 pregnancies, before 24 weeks’ gestation in 13 cases, and at >24 weeks’ gestation in 4 cases. The overall incidence of pregnancy-associated invasive H. influenzae disease was 19.9 cases/100,000 births, which exceeded the reported incidence of pregnancy-associated listeriosis in New Zealand. We also observed higher rates in younger women and women of Māori ethnicity.
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24
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Zhu Q, Song M, Azad MAK, Ma C, Yin Y, Kong X. Probiotics and Synbiotics Addition to Bama Mini-Pigs' Diet Improve Carcass Traits and Meat Quality by Altering Plasma Metabolites and Related Gene Expression of Offspring. Front Vet Sci 2022; 9:779745. [PMID: 35873696 PMCID: PMC9301501 DOI: 10.3389/fvets.2022.779745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
This study evaluated the effects of maternal probiotics and synbiotics addition on several traits and parameters in offspring. A total of 64 Bama mini pigs were randomly allocated into the control (basal diet), antibiotic (50 g/t virginiamycin), probiotics (200 mL/day probiotics), or synbiotics (500 g/t xylo-oligosaccharides and 200 mL/day probiotics) group and fed with experimental diets during pregnancy and lactation. After weaning, two piglets per litter and eight piglets per group were selected and fed with a basal diet. Eight pigs per group were selected for analysis at 65, 95, and 125 days of age. The results showed that the addition of probiotics increased the average daily feed intake of the pigs during the 66- to 95-day-old periods and backfat thickness at 65 and 125 days of age, and that the addition of synbiotics increased backfat thickness and decreased muscle percentage and loin-eye area at 125 days of age. The addition of maternal probiotics increased the cooking yield and pH45min value at 65 and 95 days of age, respectively, the addition of synbiotics increased the meat color at 95 days of age, and the addition of probiotics and synbiotics decreased drip loss and shear force in 65- and 125-day-old pigs, respectively. However, maternal antibiotic addition increased shear force in 125-day-old pigs. Dietary probiotics and synbiotics addition in sows' diets increased several amino acids (AAs), including total AAs, histidine, methionine, asparagine, arginine, and leucine, and decreased glycine, proline, isoleucine, α-aminoadipic acid, α-amino-n-butyric acid, β-alanine, and γ-amino-n-butyric acid in the plasma and longissimus thoracis (LT) muscle of offspring at different stages. In the LT muscle fatty acid (FA) analysis, saturated FA (including C16:0, C17:0, and C20:0) and C18:1n9t contents were lower, and C18:2n6c, C16:1, C20:1, and unsaturated FA contents were higher in the probiotics group. C10:0, C12:0, and C14:0 contents were higher in 65-day-old pigs, and C20:1 and C18:1n9t contents were lower in the synbiotics group in 95- and 125-day-old pigs, respectively. The plasma biochemical analysis revealed that the addition of maternal probiotics and synbiotics decreased plasma cholinesterase, urea nitrogen, and glucose levels in 95-day-old pigs, and that the addition of synbiotics increased plasma high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and total cholesterol concentrations in 65-day-old pigs and triglyceride concentration in 125-day-old pigs. The addition of maternal probiotics and synbiotics regulated muscle fiber type, myogenic regulation, and lipid metabolism-related gene expression of LT muscle in offspring. In conclusion, the addition of maternal probiotics and synbiotics improved the piglet feed intake and altered the meat quality parameters, plasma metabolites, and gene expression related to meat quality.
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Affiliation(s)
- Qian Zhu
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Mingtong Song
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Md. Abul Kalam Azad
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Cui Ma
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yulong Yin
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
- University of Chinese Academy of Sciences, Beijing, China
- Yulong Yin
| | - Xiangfeng Kong
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
- University of Chinese Academy of Sciences, Beijing, China
- Research Center of Mini-Pig, Huanjiang Observation and Research Station for Karst Ecosystems, Chinese Academy of Sciences, Huanjiang, China
- *Correspondence: Xiangfeng Kong
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25
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Polymicrobial bacteremia due to Lactobacillus jensenii and Veillonella montpellierensis in a pregnant patient; case report and review of literature. Anaerobe 2022; 75:102576. [PMID: 35489617 DOI: 10.1016/j.anaerobe.2022.102576] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 11/21/2022]
Abstract
Prompt and accurate diagnosis of polymicrobial bacteremia, which causes the difficulty in anti-infective treatments, poor treatment outcome and high mortality, is essential for initiating effective antimicrobial therapy. Here we present a case of bacteremia caused by two types of uncommon bacteria, Lactobacillus jenseniand and Veillonella montpellierensis in a 29-year-old pregnant woman at 33 weeks of gestation with anemia due to iron deficiency. She had no comorbidity or other chronic illnesses and was successfully treated with appropriate antibiotic use.
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26
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Li H, Dong M, Xie W, Qi W, Teng F, Li H, Yan Y, Wang C, Han C, Xue F. Mixed Vaginitis in the Third Trimester of Pregnancy Is Associated With Adverse Pregnancy Outcomes: A Cross-Sectional Study. Front Cell Infect Microbiol 2022; 12:798738. [PMID: 35419297 PMCID: PMC8995747 DOI: 10.3389/fcimb.2022.798738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/03/2022] [Indexed: 12/03/2022] Open
Abstract
Mixed vaginitis is a complex vaginal dysbiosis that differs from single vaginitis. Vaginitis in the third trimester may lead to adverse maternal and neonatal outcomes. The clinical characteristics, microbiological characteristics, and adverse pregnancy outcomes of mixed vaginitis in late pregnancy are worth studying. Therefore, this study investigated the clinical and microbiological characteristics of vaginitis and adverse pregnancy outcomes of patients with mixed vaginitis. We studied 1,674 women in late pregnancy who attended the Tianjin Medical University General Hospital from November, 2019 to October, 2021. We administered standardized questionnaires, performed vaginal examination and sampling plus microscope examinations, and assessed follow-up pregnancy outcomes. We cultured the vaginal discharge of the patients with mixed vaginitis to isolate pathogens and performed antimicrobial susceptibility tests of the isolated pathogens. For the patients with peripartum infection, we collected a sample to isolate pathogens. Among the 1,674 women, 66 (3.9%) had mixed vaginitis. The independent risk factor for mixed vaginitis in late pregnancy was a history of vaginitis during early and middle pregnancy (OR = 5.637, 95% CI: 3.314–9.580). The signs of vaginal erythema (63.6% vs. 42.0%), yellow discharge (81.8% vs. 59.6%), and malodor (31.8% vs. 18.8%) (P <0.05) were significantly higher in patients with mixed vaginitis than in patients with single vaginitis. Bacterial isolates of the vaginal secretions of patients with mixed bacterial vaginitis were mainly the pathogens of aerobic vaginitis and bacterial vaginosis, such as Gardnerella vaginalis, Streptococcus anginosus, and Staphylococcus epidermidis. Pathogen isolation of the vaginal secretions of patients with mixed fungus and bacteria vaginitis mainly included Candida albicans, followed by S. anginosus, Enterococcus faecalis, Staphylococcus hemolyticus, Staphylococcus aureus, Streptococcus agalactiae and Staphylococcus simulans. Women with mixed vaginitis had an increased incidence and risk of peripartum infections (6.1% vs. 1.4%, P <0.05; OR = 3.985, 95% CI:1.214–13.079). Escherichia coli is the main pathogen that causes peripartum infection. Mixed vaginitis in late pregnancy is characterized by a severe and complex phenotype, complex vaginal dysbiosis, and a long course of vaginal dysbiosis. This can lead to an increased incidence and risk of peripartum infection. Therefore, more attention should be paid to patients with mixed vaginitis in the third trimester of pregnancy.
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Affiliation(s)
- Huanrong Li
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Mengting Dong
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Wenjuan Xie
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Wenhui Qi
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Fei Teng
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Huiyang Li
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Ye Yan
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Chen Wang
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Cha Han
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- *Correspondence: Cha Han, ; Fengxia Xue,
| | - Fengxia Xue
- Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Female Reproductive Health and Eugenic, Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
- *Correspondence: Cha Han, ; Fengxia Xue,
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27
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Marquet M, Zöllkau J, Pastuschek J, Viehweger A, Schleußner E, Makarewicz O, Pletz MW, Ehricht R, Brandt C. Evaluation of microbiome enrichment and host DNA depletion in human vaginal samples using Oxford Nanopore's adaptive sequencing. Sci Rep 2022; 12:4000. [PMID: 35256725 PMCID: PMC8901746 DOI: 10.1038/s41598-022-08003-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 03/01/2022] [Indexed: 12/28/2022] Open
Abstract
Metagenomic sequencing is promising for clinical applications to study microbial composition concerning disease or patient outcomes. Alterations of the vaginal microbiome are associated with adverse pregnancy outcomes, like preterm premature rupture of membranes and preterm birth. Methodologically these samples often have to deal with low relative amounts of prokaryotic DNA and high amounts of host DNA (> 90%), decreasing the overall microbial resolution. Nanopore's adaptive sampling method offers selective DNA depletion or target enrichment to directly reject or accept DNA molecules during sequencing without specialized sample preparation. Here, we demonstrate how selective 'human host depletion' resulted in a 1.70 fold (± 0.27 fold) increase in total sequencing depth, providing higher taxonomic profiling sensitivity. At the same time, the microbial composition remains consistent with the control experiments. The complete removal of all human host sequences is not yet possible and should be considered as an ethical approval statement might still be necessary. Adaptive sampling increased microbial sequencing yield in all 15 sequenced clinical routine vaginal samples, making it a valuable tool for clinical surveillance and medical-based research, which can be used in addition to other host depletion methods before sequencing.
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Affiliation(s)
- Mike Marquet
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany.
| | - Janine Zöllkau
- Department of Obstetrics, Jena University Hospital, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Jena, Germany
| | - Jana Pastuschek
- Department of Obstetrics, Jena University Hospital, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Jena, Germany
| | - Adrian Viehweger
- Department of Medical Microbiology and Virology, University Hospital Leipzig, Leipzig, Germany
| | - Ekkehard Schleußner
- Department of Obstetrics, Jena University Hospital, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Jena, Germany
| | - Oliwia Makarewicz
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
- InfectoGnostics Research Campus, Jena, Germany
| | - Mathias W Pletz
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
- InfectoGnostics Research Campus, Jena, Germany
| | - Ralf Ehricht
- Leibniz Institute of Photonic Technology (IPHT), Jena, Germany
- InfectoGnostics Research Campus, Jena, Germany
- Institute of Physical Chemistry, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christian Brandt
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
- InfectoGnostics Research Campus, Jena, Germany
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28
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Parkar SG, Gopal PK. Gut Microbiota and Metabolism in Different Stages of Life and Health. Microorganisms 2022; 10:microorganisms10020474. [PMID: 35208928 PMCID: PMC8876188 DOI: 10.3390/microorganisms10020474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 01/27/2023] Open
Affiliation(s)
| | - Pramod K. Gopal
- New Zealand Institute for Plant and Food Research, Palmerston North 4442, New Zealand;
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
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29
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Zakaria ZZ, Al-Rumaihi S, Al-Absi RS, Farah H, Elamin M, Nader R, Bouabidi S, Suleiman SE, Nasr S, Al-Asmakh M. Physiological Changes and Interactions Between Microbiome and the Host During Pregnancy. Front Cell Infect Microbiol 2022; 12:824925. [PMID: 35265534 PMCID: PMC8899668 DOI: 10.3389/fcimb.2022.824925] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/26/2022] [Indexed: 12/20/2022] Open
Abstract
In recent years, it has become clear that microbiome play a variety of essential roles in human metabolism, immunity, and overall health and that the composition of these microbiome is influenced by our environment, diet, weight, hormones, and other factors. Indeed, numerous physiological and pathological conditions, including obesity and metabolic syndrome, are associated with changes in our microbiome, referred to as dysbiosis. As a result, it is not surprising that such changes occur during pregnancy, which includes substantial weight gain and significant changes in metabolism and immune defenses. The present review relates physiological changes during pregnancy to alterations in the microbial composition at various sites, including the gut, oral cavity, and vagina. Pregnancy has been linked to such microbial changes, and we believe that, in contrast to certain disease states, these microbial changes are vital for a healthy pregnancy, probably through their influence on the mother’s immunological, endocrinological, and metabolic status.
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Affiliation(s)
- Zain Zaki Zakaria
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
- Biomedical Research Center, Qatar University (QU), Doha, Qatar
| | - Shouq Al-Rumaihi
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Rana S. Al-Absi
- Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University (QU), Doha, Qatar
| | - Huda Farah
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Muram Elamin
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Rahaf Nader
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Salma Bouabidi
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Sara Elgaili Suleiman
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Shahd Nasr
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | - Maha Al-Asmakh
- Department of Biomedical Sciences, College of Health Sciences, Qatar University (QU) Health, Qatar University, Doha, Qatar
- Biomedical Research Center, Qatar University (QU), Doha, Qatar
- *Correspondence: Maha Al-Asmakh,
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30
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Butera A, Maiorani C, Morandini A, Simonini M, Colnaghi A, Morittu S, Barbieri S, Ricci M, Guerrisi G, Piloni D, Cimarossa R, Fusaro B, Sinesi A, Bruni A, Scribante A. Assessment of Oral Microbiome Changes in Healthy and COVID-19-Affected Pregnant Women: A Narrative Review. Microorganisms 2021; 9:2385. [PMID: 34835510 PMCID: PMC8618476 DOI: 10.3390/microorganisms9112385] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022] Open
Abstract
During pregnancy, there are several metabolic changes and an alteration in the composition of microorganisms that inhabit the oral cavity, with an increase in pathogenic bacteria that promote the onset of gingival diseases. This review is based on research in reference to the PICO model (Problem/Intervention/Comparison/Outcome), related to changes in the oral microbiome of pregnant women and possible oral consequences in patients with COVID-19. The results showed a growth of some pathogenic bacteria in pregnant women, including Aggregatibacter actinomycetemcomitans and Fusobacterium nucleatum, and the selective growth of the Prevotella intermedia, Porphyromonas gingivalis and Tannerella species, probably due to the fact that these bacteria use progesterone as a source of nutrition. These same bacteria are implicated in the development of periodontal disease. Periodontal pockets have bidirectional interactions between the oral cavity and the systemic circulatory system through the peripheral gingival blood vessels. The affinity of the SARS-CoV-2 virus to specific membrane receptors is now clear, and could involve the internal and external epithelial lining or the fibroblasts of the periodontal ligament. According to the results of the present review, the control of oral microbiome changes during pregnancy would be welcomed. The use of probiotics could help clinicians manage pregnant patients, reducing inflammatory indexes. Future studies should focus not only on changes in the level of the oral microbiome in pregnancy or the correlation between periodontal disease and COVID-19, but also on oral changes induced by both clinical situations.
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Affiliation(s)
- Andrea Butera
- Unit of Dental Hygiene, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
| | - Carolina Maiorani
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Annalaura Morandini
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Manuela Simonini
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Arianna Colnaghi
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Stefania Morittu
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Stefania Barbieri
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Maria Ricci
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Gaetano Guerrisi
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Daniela Piloni
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Roberta Cimarossa
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Barbara Fusaro
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Antonia Sinesi
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Ambra Bruni
- Member Association: “Mamme & Igieniste”, 24125 Bergamo, Italy; (A.M.); (M.S.); (A.C.); (S.M.); (S.B.); (M.R.); (G.G.); (D.P.); (R.C.); (B.F.); (A.S.); (A.B.)
| | - Andrea Scribante
- Unit of Orthodontics and Pediatric Dentistry, Section of Dentistry, Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy;
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Zhou Y, Qi H, Yin N. Adaptations and alterations of maternal microbiota: From physiology to pathology. MEDICINE IN MICROECOLOGY 2021. [DOI: 10.1016/j.medmic.2021.100045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Gare J, Kanoute A, Meda N, Viennot S, Bourgeois D, Carrouel F. Periodontal Conditions and Pathogens Associated with Pre-Eclampsia: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18137194. [PMID: 34281133 PMCID: PMC8297070 DOI: 10.3390/ijerph18137194] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 07/01/2021] [Accepted: 07/03/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Pre-eclampsia, the second most frequent direct source of maternal mortality, is a multisystem gestational disorder characterized by proteinuria and maternal hypertension after the 20th gestational week. Although the causes of pre-eclampsia are still discussed, research has suggested that the placenta has a central place in the pathogenesis of this disease. Moreover, current surveys indicated that periodontal disorders observed during the pregnancy and more particularly, periodontal pathogens could be link to the risk of pre-eclampsia. OBJECTIVES This article aims to review recent studies focusing on periodontal conditions and pathogens associated with pre-eclampsia. METHODS The process followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews guidelines. RESULTS Metabolic conditions, immunological changes, fluctuating progesterone and estrogen levels of the pregnant woman induce a dysbiosis of the oral microbiota and contribute to increase inflammation of periodontal tissues. Periodontal pathogens could diffuse through the bloodstream inducing a placenta inflammatory response as well as inflammatory molecules produced in response to periodontopathogens could migrate through the bloodstream leading to a placenta inflammatory response. Also, periodontopathogens can colonize the vaginal microbiota through the gastrointestinal tract or during oro-genital contacts. CONCLUSION A cumulative bi-directional relationship between periodontal conditions, pathogens and the pre-eclampsia exists.
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Affiliation(s)
- Jocelyne Gare
- Laboratory P2S (Health Systemic Process), UR4129, University Claude Bernard of Lyon 1, University of Lyon, Lyon, France; (J.G.); (S.V.); (D.B.)
- Public Health Laboratory (LASAP), ED2S Doctoral School of Sciences and Health, University Joseph Ki Zerbo, Ouagadougou 7021, Burkina Faso;
| | - Aida Kanoute
- Public Health Service, Department of Dentistry, Faculty of Medicine, Pharmacy and Dentistry, University Cheikh Anta Diop, Dakar 10700, Senegal;
| | - Nicolas Meda
- Public Health Laboratory (LASAP), ED2S Doctoral School of Sciences and Health, University Joseph Ki Zerbo, Ouagadougou 7021, Burkina Faso;
| | - Stephane Viennot
- Laboratory P2S (Health Systemic Process), UR4129, University Claude Bernard of Lyon 1, University of Lyon, Lyon, France; (J.G.); (S.V.); (D.B.)
| | - Denis Bourgeois
- Laboratory P2S (Health Systemic Process), UR4129, University Claude Bernard of Lyon 1, University of Lyon, Lyon, France; (J.G.); (S.V.); (D.B.)
| | - Florence Carrouel
- Laboratory P2S (Health Systemic Process), UR4129, University Claude Bernard of Lyon 1, University of Lyon, Lyon, France; (J.G.); (S.V.); (D.B.)
- Correspondence: ; Tel.: +33-4-78-78-57-44
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Fudaba M, Kamiya T, Tachibana D, Koyama M, Ohtani N. Bioinformatics Analysis of Oral, Vaginal, and Rectal Microbial Profiles during Pregnancy: A Pilot Study on the Bacterial Co-Residence in Pregnant Women. Microorganisms 2021; 9:microorganisms9051027. [PMID: 34064634 PMCID: PMC8151423 DOI: 10.3390/microorganisms9051027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/18/2022] Open
Abstract
Preterm birth (PTB) and threatened preterm labor (TPL), an important pre-PTB state, are major obstetric complications during pregnancy. However, their triggers have not been fully elucidated. The vagina is dominated by Lactobacillus species (categorized as community state types; CSTs I, II, III, and V) or by mixed anaerobes (CST IV). An abundance of the latter is associated with bacterial vaginosis (BV) and BV-triggered PTB/TPL. To identify factors that influence the diversity of vaginal microbiota associated with BV and CST IV (BV-type) bacterial profile, we performed a bioinformatic analysis of the microbial taxa using 16S rRNA amplicon sequencing data of bacterial genome in oral, vaginal, and rectal samples collected from 58 pregnant Japanese women. Interestingly, common residence of BV-associated bacteria in the vagina and rectum was individually detected in the CST IV (non-Lactobacillus dominated) group by species-level Spearman correlation coefficient analysis, suggesting that the rectum acts as a reservoir of BV-associated bacterial species in the CST IV group. The current study provides evidence of bacterial co-residence in vagina and rectum in the non-Lactobacillus dominated group, which could be targeted to reduce the risk of preterm incidence in pregnancy.
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Affiliation(s)
- Megumi Fudaba
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan; (M.F.); (D.T.); (M.K.)
| | - Tomonori Kamiya
- Department of Pathophysiology, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan;
| | - Daisuke Tachibana
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan; (M.F.); (D.T.); (M.K.)
| | - Masayasu Koyama
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan; (M.F.); (D.T.); (M.K.)
| | - Naoko Ohtani
- Department of Pathophysiology, Graduate School of Medicine, Osaka City University, Osaka 545-8585, Japan;
- AMED-CREST, AMED, Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan
- Correspondence:
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Ezechukwu HC, Diya CA, Egoh IJ, Abiodun MJ, Grace JUA, Okoh GR, Adu KT, Adegboye OA. Lung microbiota dysbiosis and the implications of SARS-CoV-2 infection in pregnancy. Ther Adv Infect Dis 2021; 8:20499361211032453. [PMID: 35035953 PMCID: PMC8753069 DOI: 10.1177/20499361211032453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 06/25/2021] [Indexed: 12/18/2022] Open
Abstract
There are a great number of beneficial commensal microorganisms constitutively colonizing the mucosal lining of the lungs. Alterations in the microbiota profile have been associated with several respiratory diseases such as pneumonia and allergies. Lung microbiota dysbiosis might play an important role in the pathogenic mechanisms of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as well as elicit other opportunistic infections associated with coronavirus disease 2019 (COVID-19). With its increasing prevalence and morbidity, SARS-CoV-2 infection in pregnant mothers is inevitable. Recent evidence shows that angiotensin-converting enzyme 2 (ACE2) and transmembrane protease serine 2 (TMPRSS2) act as an entry receptor and viral spike priming protein, respectively, for SARS-CoV-2 infection. These receptor proteins are highly expressed in the maternal-fetal interface, including the placental trophoblast, suggesting the possibility of maternal-fetal transmission. In this review, we discuss the role of lung microbiota dysbiosis in respiratory diseases, with an emphasis on COVID-19 and the possible implications of SARS-CoV-2 infection on pregnancy outcome and neonatal health.
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Affiliation(s)
- Henry C. Ezechukwu
- Department of Medical Biochemistry, Eko University of Medicine and Health Sciences, Ijanikin, Lagos, Nigeria
| | - Cornelius A. Diya
- Department of Medical Biochemistry, Eko University of Medicine and Health Sciences, Ijanikin, Lagos State, Nigeria
| | | | - Mayowa J. Abiodun
- Department of Cell Biology, University of Lagos, Akoka, Lagos State, Nigeria
| | | | - God’spower R. Okoh
- College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
| | - Kayode T. Adu
- ProbioWorld Consulting Group, James Cook University, Townsville, QLD, Australia
- Cann Group Ltd., Walter and Eliza Hall Institute, VIC, Australia
| | - Oyelola A. Adegboye
- Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
- College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD, Australia
- World Health Organization Collaborating Center for Vector-Borne and Neglected Tropical Diseases, College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
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