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Koester ST, Chow A, Pepper-Tunick E, Lee P, Eckert M, Brenchley L, Gardner P, Song HJ, Li N, Schiffenbauer A, Volochayev R, Bayat N, McLean JS, Rider LG, Shenoi S, Stevens AM, Dey N. Familial clustering of dysbiotic oral and fecal microbiomes in juvenile dermatomyositis. Sci Rep 2024; 14:16158. [PMID: 38997299 DOI: 10.1038/s41598-024-60225-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/19/2024] [Indexed: 07/14/2024] Open
Abstract
Juvenile dermatomyositis (JDM) is a rare immune-mediated disease of childhood with putative links to microbial exposures. In this multi-center, prospective, observational cohort study, we evaluated whether JDM is associated with discrete oral and gut microbiome signatures. We generated 16S rRNA sequencing data from fecal, saliva, supragingival, and subgingival plaque samples from JDM probands (n = 28). To control for genetic and environmental determinants of microbiome community structure, we also profiled microbiomes of unaffected family members (n = 27 siblings, n = 26 mothers, and n = 17 fathers). Sample type (oral-vs-fecal) and nuclear family unit were the predominant variables explaining variance in microbiome diversity, more so than having a diagnosis of JDM. The oral and gut microbiomes of JDM probands were more similar to their own unaffected siblings than they were to the microbiomes of other JDM probands. In a sibling-paired within-family analysis, several potentially immunomodulatory bacterial taxa were differentially abundant in the microbiomes of JDM probands compared to their unaffected siblings, including Faecalibacterium (gut) and Streptococcus (oral cavity). While microbiome features of JDM are often shared by unaffected family members, the loss or gain of specific fecal and oral bacteria may play a role in disease pathogenesis or be secondary to immune dysfunction in susceptible individuals.
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Affiliation(s)
- Sean T Koester
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- University of Kansas School of Medicine, Kansas City, USA
| | - Albert Chow
- Department of Pediatrics, Division of Rheumatology, University of Washington, Seattle, WA, USA
- Loma Linda University, Loma Linda, USA
| | - Evan Pepper-Tunick
- Molecular Engineering and Sciences Institute, University of Washington, Seattle, WA, USA
| | - Peggy Lee
- School of Dentistry, University of Washington, Seattle, WA, USA
| | - Mary Eckert
- Center for Clinical and Translational Research, Seattle Children's Research Institute, Seattle, WA, USA
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA
| | - Laurie Brenchley
- Office of the Clinical Director, NIDCR, National Institutes of Health, Bethesda, MD, USA
| | - Pamela Gardner
- Office of the Clinical Director, NIDCR, National Institutes of Health, Bethesda, MD, USA
- Oral Oncology at BC Cancer, Vancouver, BC, Canada
| | - Hyun Jung Song
- School of Dentistry, University of Washington, Seattle, WA, USA
| | - Naisi Li
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Adam Schiffenbauer
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Rita Volochayev
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Nastaran Bayat
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
- Social and Scientific Systems, Inc., A DLH Holdings Corp. Company, Silver Spring, MD, USA
| | - Jeffrey S McLean
- Department of Periodontics, University of Washington, Seattle, WA, USA
| | - Lisa G Rider
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, USA
| | - Susan Shenoi
- Department of Pediatrics, Division of Rheumatology, University of Washington, Seattle, WA, USA
- Center for Clinical and Translational Research, Seattle Children's Research Institute, Seattle, WA, USA
| | - Anne M Stevens
- Department of Pediatrics, Division of Rheumatology, University of Washington, Seattle, WA, USA
- Center for Clinical and Translational Research, Seattle Children's Research Institute, Seattle, WA, USA
- Janssen, a Wholly Owned Subsidiary of Johnson & Johnson, Raritan, USA
| | - Neelendu Dey
- Translational Science and Therapeutics Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
- Department of Medicine, Division of Gastroenterology, University of Washington, Seattle, WA, USA.
- Microbiome Research Initiative, Fred Hutchinson Cancer Center, Seattle, WA, USA.
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Zazueta A, Valenzuela-Pérez L, Ortiz-López N, Pinto-León A, Torres V, Guiñez D, Aliaga N, Merino P, Sandoval A, Covarrubias N, Pérez de Arce E, Cattaneo M, Urzúa A, Roblero JP, Poniachik J, Gotteland M, Magne F, Beltrán CJ. Alteration of Gut Microbiota Composition in the Progression of Liver Damage in Patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD). Int J Mol Sci 2024; 25:4387. [PMID: 38673972 PMCID: PMC11050088 DOI: 10.3390/ijms25084387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 12/31/2023] [Accepted: 01/09/2024] [Indexed: 04/28/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) is a complex disorder whose prevalence is rapidly growing in South America. The disturbances in the microbiota-gut-liver axis impact the liver damaging processes toward fibrosis. Gut microbiota status is shaped by dietary and lifestyle factors, depending on geographic location. We aimed to identify microbial signatures in a group of Chilean MASLD patients. Forty subjects were recruited, including healthy controls (HCs), overweight/obese subjects (Ow/Ob), patients with MASLD without fibrosis (MASLD/F-), and MASLD with fibrosis (MASLD/F+). Both MASLD and fibrosis were detected through elastography and/or biopsy, and fecal microbiota were analyzed through deep sequencing. Despite no differences in α- and β-diversity among all groups, a higher abundance of Bilophila and a lower presence of Defluviitaleaceae, Lachnospiraceae ND3007, and Coprobacter was found in MASLD/F- and MASLD/F+, compared to HC. Ruminococcaceae UCG-013 and Sellimonas were more abundant in MASLD/F+ than in Ow/Ob; both significantly differed between MASLD/F- and MASLD/F+, compared to HC. Significant positive correlations were observed between liver stiffness and Bifidobacterium, Prevotella, Sarcina, and Acidaminococcus abundance. Our results show that MASLD is associated with changes in bacterial taxa that are known to be involved in bile acid metabolism and SCFA production, with some of them being more specifically linked to fibrosis.
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Affiliation(s)
- Alejandra Zazueta
- Microbiology and Mycology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago 8380453, Chile;
| | - Lucía Valenzuela-Pérez
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Nicolás Ortiz-López
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Araceli Pinto-León
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Verónica Torres
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Danette Guiñez
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Nicolás Aliaga
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Pablo Merino
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
| | - Alexandra Sandoval
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Natalia Covarrubias
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Edith Pérez de Arce
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Máximo Cattaneo
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Alvaro Urzúa
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Juan Pablo Roblero
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Jaime Poniachik
- Unit of Gastroenterology, Department of Medicine, Hospital Clinico Universidad de Chile, Santiago 8380456, Chile; (D.G.); (A.S.); (N.C.); (E.P.d.A.); (M.C.); (A.U.); (J.P.R.); (J.P.)
| | - Martín Gotteland
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Fabien Magne
- Microbiology and Mycology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago 8380453, Chile;
| | - Caroll Jenny Beltrán
- Laboratory of Immuno-Gastroenterology, Section of Gastroenterology, Department of Medicine, Hospital Clínico Universidad de Chile, Santiago 8380456, Chile; (L.V.-P.); (N.O.-L.); (A.P.-L.); (V.T.); (N.A.); (P.M.)
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Wang D, Russel WA, Macdonald KM, De Leon VM, Ay A, Belanger KD. Analysis of the gut microbiome in sled dogs reveals glucosamine- and activity-related effects on gut microbial composition. Front Vet Sci 2024; 11:1272711. [PMID: 38384960 PMCID: PMC10879321 DOI: 10.3389/fvets.2024.1272711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 01/16/2024] [Indexed: 02/23/2024] Open
Abstract
The composition of the microbiome influences many aspects of physiology and health, and can be altered by environmental factors, including diet and activity. Glucosamine is a dietary supplement often administered to address arthritic symptoms in humans, dogs, and other mammals. To investigate how gut microbial composition varies with glucosamine supplementation, we performed 16S rRNA sequence analysis of fecal samples from 24 Alaskan and Inuit huskies and used mixed effects models to investigate associations with activity, age, and additional factors. Glucosamine ingestion, age, activity, sex, and diet were correlated with differences in alpha-diversity, with diversity decreasing in dogs consuming glucosamine. Beta-diversity analysis revealed clustering of dogs based on glucosamine supplementation status. Glucosamine supplementation and exercise-related activity were associated with greater inter-individual pairwise distances. At the family level, Lactobacillaceae and Anaerovoracaceae relative abundances were lower in supplemented dogs when activity was accounted for. At the genus level, Eubacterium [brachy], Sellimonus, Parvibacter, and an unclassified genus belonging to the same family as Parvibacter (Eggerthellaceae) all were lower in supplemented dogs, but only significantly so post-activity. Our findings suggest that glucosamine supplementation alters microbiome composition in sled dogs, particularly in the context of exercise-related activity.
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Affiliation(s)
- Dong Wang
- Department of Computer Science, Colgate University, Hamilton, NY, United States
- Department of Mathematics, Colgate University, Hamilton, NY, United States
| | - William A. Russel
- Department of Biology, Colgate University, Hamilton, NY, United States
| | | | | | - Ahmet Ay
- Department of Mathematics, Colgate University, Hamilton, NY, United States
- Department of Biology, Colgate University, Hamilton, NY, United States
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Kindgren E, Ahrens AP, Triplett EW, Ludvigsson J. Infant gut microbiota and environment associate with juvenile idiopathic arthritis many years prior to disease onset, especially in genetically vulnerable children. EBioMedicine 2023; 93:104654. [PMID: 37329576 DOI: 10.1016/j.ebiom.2023.104654] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 05/13/2023] [Accepted: 05/31/2023] [Indexed: 06/19/2023] Open
Abstract
BACKGROUND The etiology of juvenile idiopathic arthritis (JIA) is poorly understood. This study investigated genetic and environmental factors and infant gut microbiota in a prospective birth cohort to assess disease risk. METHODS Data was collected from the All Babies in Southeast Sweden (ABIS) population-based cohort (n = 17,055), 111 of whom later acquired JIA (ABISJIA). Stool samples were collected at one year of age for 10.4%. To determine disease association, 16S rRNA gene sequences were analyzed, with and without confound adjustment. Genetic and environmental risks were assessed. FINDINGS ABISJIA had higher abundance of Acidaminococcales, Prevotella 9, and Veillonella parvula and lower abundance of Coprococcus, Subdoligranulum, Phascolarctobacterium, Dialister spp., Bifidobacterium breve, Fusicatenibacter saccharivorans, Roseburia intestinalis, and Akkermansia muciniphila (q's < 0.05). Parabacteroides distasonis greatly increased the odds of later contracting JIA (OR = 6.7; 1.81-24.84, p = 0.0045). Shorter breastfeeding duration and increased antibiotic exposure compounded risk in a dose-dependent manner, especially in those with genetic predisposition. INTERPRETATION Microbial dysregulation in infancy may trigger or accelerate JIA development. Environmental risk factors have a stronger impact on genetically predisposed children. This study is the first to implicate microbial dysregulation in JIA at such an early age, with many bacterial taxa associated with risk factors. These findings provide opportunities for intervention or early screening and offer new insights into JIA pathogenesis. FUNDING Barndiabetesfonden; Swedish Council for Working Life and Social Research; Swedish Research Council; Östgöta Brandstodsbolag; Medical Research Council of Southeast Sweden; JDRF-Wallenberg Foundation; Linköping.
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Affiliation(s)
- Erik Kindgren
- Department of Pediatrics, Region Västra Götaland, Skaraborg Hospital, Skövde, Sweden; Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Angelica P Ahrens
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611-0700, USA
| | - Eric W Triplett
- Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611-0700, USA.
| | - Johnny Ludvigsson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Crown Princess Victoria's Children's Hospital, Region Östergötland, Linköping, SE 58185, Sweden
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Zeus M, Janssen S, Laws HJ, Fischer U, Borkhardt A, Oommen PT. Results from a pilot study on the oral microbiome in children and adolescents with chronic nonbacterial osteomyelitis. Z Rheumatol 2023; 82:123-133. [PMID: 34196794 PMCID: PMC9981501 DOI: 10.1007/s00393-021-01035-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2021] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To analyze the composition of the oral microbiome in children and adolescents with chronic nonbacterial osteomyelitis (CNO) with respect to age distribution, gender differences, effects of medication, disease activity and the influence of body site. METHODS The oral microbiome of 20 patients (12 male and 8 female; median age 10.3 years) and 36 controls were examined. Two different sites of the oral cavity were swabbed at two time points. Current medication and disease activity were evaluated and registered at these time points. Samples were subjected to amplicon sequencing of the V4 region of the 16S rRNA gene and Qiime2 was used to calculate alpha and beta diversity for multiple alternative metrics. RESULTS On the basis of relative abundances of 975 different suboperational taxonomic units in high throughput next generation sequencing, a significant shift in the composition of the oral microbiome (p < 0.02) was observed among patients being treated with different medications. There was a significant difference in bacterial communities between the group aged 3-8 years old and the group aged 9-14 years old. Significant differences were also seen in bacterial colonization on different sites in the oral cavity, but not with respect to gender or disease activity. CONCLUSION We present first data of a pilot study of the oral microbiome in children and adolescents with CNO, a rare autoinflammatory bone disease. Differences of the oral microbiome of diseased children to normal adult controls revealed a possible role of the oral microbiome as modulatory target or biomarker in CNO.
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Affiliation(s)
- Mona Zeus
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Divison of Pediatric Rheumatology, University Children’s Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Stefan Janssen
- Algorithmic Bioinformatics, Department of Biology and Chemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Hans-Jürgen Laws
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Divison of Pediatric Rheumatology, University Children’s Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Ute Fischer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Divison of Pediatric Rheumatology, University Children’s Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Divison of Pediatric Rheumatology, University Children’s Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Prasad Thomas Oommen
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Divison of Pediatric Rheumatology, University Children's Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany.
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Rausch P, Hartmann M, Baines JF, von Bismarck P. Analysis of the fecal and oral microbiota in chronic recurrent multifocal osteomyelitis. Arthritis Res Ther 2022; 24:54. [PMID: 35193655 PMCID: PMC8862485 DOI: 10.1186/s13075-021-02711-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 12/20/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Chronic recurrent multifocal osteomyelitis (CRMO) is a rare autoinflammatory bone disease for which a lack of bacterial involvement is a key diagnostic feature to distinguish it from other symptomatically related diseases. However, the growing evidence suggesting an involvement of the host-associated microbiota in rheumatic disorders together with the now wide accessibility of modern culture-independent methods warrant a closer examination of CRMO. METHODS In this study, we show through bacterial 16S rRNA gene profiling that numerous features of the oral- and fecal microbial communities differentiate children with and without CRMO. RESULTS Notably, communities in diseased children are characterized by a lack of potential probiotic bacteria in the fecal community and an overabundance of known pathobionts in the oral microbial communities. Of special interest is the HACEK group, a set of commonly known oral pathogens that are implicated in the development of several acute and chronic diseases such as osteitis and rheumatoid arthritis. Furthermore, we observe that gut bacterial communities in the diseased children appear to reflect an altered host physiology more strongly than the oral community, which could suggest an oral disease origin followed by propagation and/or responses beyond the oral cavity. CONCLUSIONS Bacterial communities, in particular the oral microbiota, may serve as an indicator of underlying susceptibility to CRMO, or play a yet undefined role in its development.
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Affiliation(s)
- Philipp Rausch
- Institute for Clinical Molecular Biology (IKMB), Kiel University, Kiel, Germany
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Meike Hartmann
- Clinic for General Pediatrics, University Hospital Schleswig-Holstein, Kiel, Germany
| | - John F Baines
- Max Planck Institute for Evolutionary Biology, Plön, Germany.
- Institute for Experimental Medicine, Kiel University, Kiel, Germany.
| | - Philipp von Bismarck
- Clinic for General Pediatrics, University Hospital Schleswig-Holstein, Kiel, Germany.
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Kindgren E, Ludvigsson J. Infections and antibiotics during fetal life and childhood and their relationship to juvenile idiopathic arthritis: a prospective cohort study. Pediatr Rheumatol Online J 2021; 19:145. [PMID: 34530851 PMCID: PMC8447683 DOI: 10.1186/s12969-021-00611-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/09/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The aetiology of juvenile idiopathic arthritis (JIA) is poorly understood. It has been shown that use of antibiotics is associated with JIA. However, whether the association is due to increased occurrence of infection in these individuals is unknown. The purpose of this investigation was to measure the association between number of infections and use of antibiotics during childhood with development of JIA. METHODS In ABIS (All Babies in Southeast Sweden) a population-based prospective birth cohort of 17,055 children, data were collected on infections and antibiotic exposure during pregnancy and childhood. 102 individuals with JIA were identified. Multivariable logistic regression analyses were performed, adjusting for confounding factors. RESULTS Exposure to antibiotics during the periods 1-12 months, 1-3 years and 5-8 years was significantly associated with increased risk for JIA. The odds of developing JIA were three times higher in those exposed to antibiotics during the first 3 years of life compared with those not exposed (aOR 3.17; 95% CI 1.11-9.03, p = 0.031), and more than twice as high in those exposed to antibiotics during the first 5 years of life compared with those not exposed (aOR 2.18; 95% CI 1.36-3.50, p = 0.001). The odds of developing JIA were 78% higher in those exposed to antibiotics during the first 8 years of life compared with those not exposed (aOR 1.78; 95% CI 1.15-2.73, p = 0.009). Occurrence of infection during fetal life or childhood showed no significant association with the risk of developing JIA, after confounder adjustment. The cumulative number of courses of antibiotics was significantly higher during childhood for the individuals who developed JIA (p < 0.001). Penicillins were more frequently used than non-penicillins, but both had an equal effect on the risk of developing JIA. CONCLUSIONS Exposure to antibiotics early in life is associated with later onset of JIA in a large birth cohort from the general population. The relationship was dose dependent. These results suggest that further, more restrictive, antibiotic policies during the first years of life would be advisable.
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Affiliation(s)
- Erik Kindgren
- Department of Pediatrics, Skaraborg Hospital Skövde, SE-541 85, Skövde, Sweden. .,Division of Pediatrics, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.
| | - Johnny Ludvigsson
- grid.5640.70000 0001 2162 9922Division of Pediatrics, Department of Biomedical and Clinical Sciences, Linköping University, Crown Princess Victoria Children’s Hospital, Linköping, Sweden
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Muñoz M, Guerrero-Araya E, Cortés-Tapia C, Plaza-Garrido A, Lawley TD, Paredes-Sabja D. Comprehensive genome analyses of Sellimonas intestinalis, a potential biomarker of homeostasis gut recovery. Microb Genom 2020; 6:mgen000476. [PMID: 33206037 PMCID: PMC8116674 DOI: 10.1099/mgen.0.000476] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 10/29/2020] [Indexed: 12/16/2022] Open
Abstract
Sellimonas intestinalis is a Gram-positive and anaerobic bacterial species previously considered as uncultivable. Although little is known about this Lachnospiraceae family member, its increased abundance has been reported in patients who have recovered from intestinal homeostasis after dysbiosis events. In this context, the aim of the present study was to take advantage of a massive in vitro culture protocol that allowed the recovery of extremely oxygen-sensitive species from faecal samples, which led to isolation of S. intestinalis. Whole genome analyses of 11 S. intestinalis genomes revealed that this species has a highly conserved genome with 99.7 % 16S rRNA gene sequence similarity, average nucleotide polymorphism results >95, and 50.1 % of its coding potential being part of the core genome. Despite this, the variable portion of its genome was informative enough to reveal the existence of three lineages (lineage-I including isolates from Chile and France, lineage-II from South Korea and Finland, and lineage-III from China and one isolate from the USA) and evidence of some recombination signals. The identification of a cluster of orthologous groups revealed a high number of genes involved in metabolism, including amino acid and carbohydrate transport as well as energy production and conversion, which matches with the metabolic profile previously reported for microbiota from healthy individuals. Additionally, virulence factors and antimicrobial resistance genes were found (mainly in lineage-III), which could favour their survival during antibiotic-induced dysbiosis. These findings provide the basis of knowledge about the potential of S. intestinalis as a bioindicator of intestinal homeostasis recovery and contribute to advancing the characterization of gut microbiota members with beneficial potential.
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Affiliation(s)
- Marina Muñoz
- Microbiota–Host Interactions and Clostridia Research Group, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
- ANID – Millennium Science Initiative Program – Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
| | - Enzo Guerrero-Araya
- Microbiota–Host Interactions and Clostridia Research Group, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
- ANID – Millennium Science Initiative Program – Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
| | - Catalina Cortés-Tapia
- Microbiota–Host Interactions and Clostridia Research Group, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
- ANID – Millennium Science Initiative Program – Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
| | - Angela Plaza-Garrido
- Microbiota–Host Interactions and Clostridia Research Group, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
- ANID – Millennium Science Initiative Program – Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
| | - Trevor D. Lawley
- Host–Microbiota Interactions Laboratory, Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Daniel Paredes-Sabja
- Microbiota–Host Interactions and Clostridia Research Group, Departamento de Ciencias Biológicas, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
- ANID – Millennium Science Initiative Program – Millennium Nucleus in the Biology of the Intestinal Microbiota, Santiago, Chile
- Department of Biology, Texas A&M University, College Station, TX, 77843, USA
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9
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Frid P, Baraniya D, Halbig J, Rypdal V, Songstad NT, Rosèn A, Berstad JR, Flatø B, Alakwaa F, Gil EG, Cetrelli L, Chen T, Al-Hebshi NN, Nordal E, Al-Haroni M. Salivary Oral Microbiome of Children With Juvenile Idiopathic Arthritis: A Norwegian Cross-Sectional Study. Front Cell Infect Microbiol 2020; 10:602239. [PMID: 33251163 PMCID: PMC7672027 DOI: 10.3389/fcimb.2020.602239] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 10/09/2020] [Indexed: 02/06/2023] Open
Abstract
Background The oral microbiota has been connected to the pathogenesis of rheumatoid arthritis through activation of mucosal immunity. The objective of this study was to characterize the salivary oral microbiome associated with juvenile idiopathic arthritis (JIA), and correlate it with the disease activity including gingival inflammation. Methods Fifty-nine patients with JIA (mean age, 12.6 ± 2.7 years) and 34 healthy controls (HC; mean age 12.3 ± 3.0 years) were consecutively recruited in this Norwegian cross-sectional study. Information about demographics, disease activity, medication history, frequency of tooth brushing and a modified version of the gingival bleeding index (GBI) and the simplified oral hygiene index (OHI-S) was obtained. Microbiome profiling of saliva samples was performed by sequencing of the V1-V3 region of the 16S rRNA gene, coupled with a species-level taxonomy assignment algorithm; QIIME, LEfSe and R-package for Spearman correlation matrix were used for downstream analysis. Results There were no significant differences between JIA and HC in alpha- and beta-diversity. However, differential abundance analysis revealed several taxa to be associated with JIA: TM7-G1, Solobacterium and Mogibacterium at the genus level; and Leptotrichia oral taxon 417, TM7-G1 oral taxon 352 and Capnocytophaga oral taxon 864 among others, at the species level. Haemophilus species, Leptotrichia oral taxon 223, and Bacillus subtilis, were associated with healthy controls. Gemella morbillorum, Leptotrichia sp. oral taxon 498 and Alloprevotella oral taxon 914 correlated positively with the composite juvenile arthritis 10-joint disease activity score (JADAS10), while Campylobacter oral taxon 44 among others, correlated with the number of active joints. Of all microbial markers identified, only Bacillus subtilis and Campylobacter oral taxon 44 maintained false discovery rate (FDR) < 0.1. Conclusions In this exploratory study of salivary oral microbiome we found similar alpha- and beta-diversity among children with JIA and healthy. Several taxa associated with chronic inflammation were found to be associated with JIA and disease activity, which warrants further investigation.
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Affiliation(s)
- Paula Frid
- Department of ENT, Division of Oral and Maxillofacial Surgery, University Hospital North Norway, Tromsø, Norway.,Public Dental Service Competence Centre of North Norway, Tromsø, Norway.,Department of Clinical Medicine, UiT the Arctic University of Norway, Tromsø, Norway
| | - Divyashri Baraniya
- Oral Microbiome Laboratory, Kornberg School of Dentistry, Temple University, Philadelphia, PA, United States
| | - Josefine Halbig
- Public Dental Service Competence Centre of North Norway, Tromsø, Norway.,Department of Clinical Dentistry, UiT the Arctic University of Norway, Tromsø, Norway
| | - Veronika Rypdal
- Department of Clinical Medicine, UiT the Arctic University of Norway, Tromsø, Norway.,Department of Pediatrics and Adolescence Medicine, University Hospital of North Norway, Tromsø, Norway
| | - Nils Thomas Songstad
- Department of Pediatrics and Adolescence Medicine, University Hospital of North Norway, Tromsø, Norway
| | - Annika Rosèn
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway.,Department of Oral and Maxillofacial Surgery, Haukeland University Hospital, Bergen, Norway
| | - Johanna Rykke Berstad
- Department of ENT, Division of Oral and Maxillofacial Surgery, Oslo University Hospital, Oslo, Norway
| | - Berit Flatø
- Department of Rheumatology and Infectious Diseases, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Rheumatology, Oslo University Hospital, Oslo, Norway
| | - Fadhl Alakwaa
- Department of Computational Medicine and Bioinformatics, University Michigan, Ann Arbor, MI, United States
| | | | - Lena Cetrelli
- Center of Oral Health Services and Research (TkMidt), Trondheim, Norway
| | - Tsute Chen
- Department of Microbiology, Forsyth Institute, Cambridge, MA, United States
| | - Nezar Noor Al-Hebshi
- Oral Microbiome Laboratory, Kornberg School of Dentistry, Temple University, Philadelphia, PA, United States
| | - Ellen Nordal
- Department of Clinical Medicine, UiT the Arctic University of Norway, Tromsø, Norway.,Department of Pediatrics and Adolescence Medicine, University Hospital of North Norway, Tromsø, Norway
| | - Mohammed Al-Haroni
- Department of Clinical Dentistry, UiT the Arctic University of Norway, Tromsø, Norway
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10
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Fused Omics Data Models Reveal Gut Microbiome Signatures Specific of Inactive Stage of Juvenile Idiopathic Arthritis in Pediatric Patients. Microorganisms 2020; 8:microorganisms8101540. [PMID: 33036309 PMCID: PMC7650812 DOI: 10.3390/microorganisms8101540] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/01/2020] [Accepted: 10/02/2020] [Indexed: 01/15/2023] Open
Abstract
Juvenile idiopathic arthritis (JIA) is the most common rheumatic disease in children. Herein, we evaluated the relationship between the gut microbiome (GM) and disease phenotype by an integrated omics fused approach. In a multicenter, observational cohort study, stools from Italian JIA patients were collected at baseline, active, and inactive disease stages, and their GM compared to healthy controls (CTRLs). The microbiota metabolome was analyzed to detect volatile- and non-volatile organic compounds (VOCs); the data were fused with operational taxonomic units (OTUs) from 16S RNA targeted-metagenomics and classified by chemometric models. Non-VOCs did not characterize JIA patients nor JIA activity stages compared to CTRLs. The core of VOCs, (Ethanol, Methyl-isobutyl-ketone, 2,6-Dimethyl-4-heptanone and Phenol) characterized patients at baseline and inactive disease stages, while the OTUs represented by Ruminococcaceae, Lachnospiraceae and Clostridiacea discriminated between JIA inactive stage and CTRLs. No differences were highlighted amongst JIA activity stages. Finally, the fused data discriminated inactive and baseline stages versus CTRLs, based on the contribution of the invariant core of VOCs while Ruminococcaceae concurred for the inactive stage versus CTRLs comparison. In conclusion, the GM signatures enabled to distinguish the inactive disease stage from CTRLs.
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11
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Severe sepsis caused by serious gastrointestinal infection in sJIA patients treated with IL-6 receptor antagonist: a case report. BMC Pediatr 2020; 20:126. [PMID: 32188441 PMCID: PMC7079483 DOI: 10.1186/s12887-020-02032-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 03/12/2020] [Indexed: 01/30/2023] Open
Abstract
Background Interleukin (IL)-6 plays an essential role in the pathogenesis of systemic juvenile idiopathic arthritis (sJIA). Tocilizumab (TCZ), a kind of biological agent against both membrane and soluble IL-6 receptor, is the only biological agent approved for the treatment of sJIA in China. Infections are the most common adverse events during TCZ therapy, and most of infections are mild or moderate. Severe sepsis originated from gastrointestinal infection is rarely reported. Case presentation In this article, we reported two 13-year-old sJIA patients who suffered from life-threatening infections after TCZ administration. Within one day, both of them presented rapidly progressive conditions that included fever, abdominal pain, dizziness, diarrhea and vomiting, and laboratory tests showed multi-organ dysfunctions. They were diagnosed with severe sepsis and septic shock that were supposed to be caused by the pathogens from the gastrointestinal tract, and they were eventually rescued by timely treatment. In addition, we also reviewed the literature about serious gastrointestinal infections and sepsis in sJIA patients receiving TCZ therapy. Conclusions In summary, for sJIA patients with TCZ therapy, invading pathogens from the gastrointestinal tract can cause an intensely systemic infection that may even be fatal. Therefore, it is essential to pay attention to the gastrointestinal management of sJIA patients as well as remind them of their intestinal hygiene.
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12
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Majumder S, Aggarwal A. Juvenile idiopathic arthritis and the gut microbiome: Where are we now? Best Pract Res Clin Rheumatol 2020; 33:101496. [PMID: 32171669 DOI: 10.1016/j.berh.2020.101496] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In recent decades, because of advances in technology there has been an explosion of knowledge on how microbiome affects human health. In most chronic immune-inflammatory diseases, alterations in gut microbiome has been shown. The successful use of faecal microbial transplants for the treatment of clostridium difficile associated diarrhoea has also paved the way for novel therapies. Gut microbiome is affected by early life events like the mode of delivery, breast feeding, the use of antibiotics, etc. and that may have an indirect effect on the developing immune system as well as on the predisposition to juvenile idiopathic arthritis (JIA). Multiple studies have found altered gut microbiome in JIA though no single organism or microbial community has been found to be associated with JIA. In JIA, attempts to modify gut microbiome by using probiotics, exclusive enteral nutrition and other modalities have had variable success. The current review discusses the current data available on gut microbiome in different categories of JIA and how this knowledge can translate into new therapies.
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Affiliation(s)
- Sanjukta Majumder
- Department of Clinical Immunology & Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Amita Aggarwal
- Department of Clinical Immunology & Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
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