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Tang J, Mo S, Fan L, Fu S, Liu X. Causal association of gut microbiota on spondyloarthritis and its subtypes: a Mendelian randomization analysis. Front Immunol 2024; 15:1284466. [PMID: 38390322 PMCID: PMC10883304 DOI: 10.3389/fimmu.2024.1284466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 01/18/2024] [Indexed: 02/24/2024] Open
Abstract
Background Despite establishing an association between gut microbiota and spondyloarthritis (SpA) subtypes, the causal relationship between them remains unclear. Methods Gut microbiota data were obtained from the MiBioGen collaboration, and SpA genome-wide association study (GWAS) summary data were obtained from the FinnGen collaboration. We conducted a two-sample Mendelian randomization (MR) analysis using the inverse-variance-weighted method supplemented with four additional MR methods (MR-Egger, weighted median, simple mode, and weighted mode). Pleiotropy and heterogeneity were also assessed. Reverse MR analysis was used to detect reverse causal relationships. Results We identified 23 causal links between specific gut microbiota taxa and SpA levels. Of these, 22 displayed nominal causal associations, and only one demonstrated a robust causal connection. Actinobacteria id.419 increased the risk of ankylosing spondylitis (AS) (odds ratio (OR) = 1.86 (95% confidence interval (CI): 1.29-2.69); p = 8.63E-04). The family Rikenellaceae id.967 was associated with a reduced risk of both AS (OR = 0.66 (95% CI: 0.47-0.93); p = 1.81E-02) and psoriatic arthritis (OR = 0.70 (95% CI: 0.50-0.97); p = 3.00E-02). Bacillales id.1674 increased the risk of AS (OR = 1.23 (95% CI: 1.00-1.51); p = 4.94E-02) and decreased the risk of enteropathic arthritis (OR = 0.56 (95% CI: 0.35-0.88); p = 1.14E-02). Directional pleiotropy, or heterogeneity, was not observed. No reverse causal associations were observed between the diseases and the gut microbiota. Conclusion Our MR analysis suggested a genetic-level causal relationship between specific gut microbiota and SpA, providing insights into the underlying mechanisms behind SpA development mediated by gut microbiota.
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Affiliation(s)
- Jun Tang
- Experimental Teaching Management Center, Chongqing Medical University, Chongqing, China
| | - Shiyan Mo
- Department of Rheumatology and Immunology, Hainan Hospital of Chinese People's Liberation Army of China (PLA) General Hospital, Sanya, Hainan, China
| | - Lina Fan
- Department of Rheumatology and Immunology, Hainan Hospital of Chinese People's Liberation Army of China (PLA) General Hospital, Sanya, Hainan, China
| | - Shihui Fu
- Department of Cardiovascular, Hainan Hospital of Chinese People’s Liberation Army of China (PLA) General Hospital, Sanya, Hainan, China
| | - Xiaofei Liu
- Department of Rheumatology and Immunology, Hainan Hospital of Chinese People's Liberation Army of China (PLA) General Hospital, Sanya, Hainan, China
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Essex M, Rios Rodriguez V, Rademacher J, Proft F, Löber U, Markó L, Pleyer U, Strowig T, Marchand J, Kirwan JA, Siegmund B, Forslund SK, Poddubnyy D. Shared and Distinct Gut Microbiota in Spondyloarthritis, Acute Anterior Uveitis, and Crohn's Disease. Arthritis Rheumatol 2024; 76:48-58. [PMID: 37471465 DOI: 10.1002/art.42658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 06/26/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
OBJECTIVE Spondyloarthritis (SpA) is a group of immune-mediated diseases highly concomitant with nonmusculoskeletal inflammatory disorders, such as acute anterior uveitis (AAU) and Crohn's disease (CD). The gut microbiome represents a promising avenue to elucidate shared and distinct underlying pathophysiology. METHODS We performed 16S ribosomal RNA sequencing on stool samples of 277 patients (72 CD, 103 AAU, and 102 SpA) included in the German Spondyloarthritis Inception Cohort and 62 back pain controls without any inflammatory disorder. Discriminatory statistical methods were used to disentangle microbial disease signals from one another and a wide range of potential confounders. Patients were naive to or had not received treatment with biological disease-modifying antirheumatic drugs (DMARDs) for >3 months before enrollment, providing a better approximation of a true baseline disease signal. RESULTS We identified a shared, immune-mediated disease signal represented by low abundances of Lachnospiraceae taxa relative to controls, most notably Fusicatenibacter, which was most abundant in controls receiving nonsteroidal antiinflammatory drug monotherapy and implied to partially mediate higher serum C-reactive protein. Patients with SpA showed an enrichment of Collinsella, whereas human leukocyte antigen (HLA)-B27+ individuals displayed enriched Faecalibacterium. CD patients had higher abundances of a Ruminococcus taxon, and previous conventional/synthetic DMARD therapy was associated with increased Akkermansia. CONCLUSION Our work supports the existence of a common gut dysbiosis in SpA and related inflammatory pathologies. We reveal shared and disease-specific microbial associations and suggest potential mediators of disease activity. Validation studies are needed to clarify the role of Fusicatenibacter in gut-joint inflammation, and metagenomic resolution is needed to understand the relationship between Faecalibacterium commensals and HLA-B27.
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Affiliation(s)
- Morgan Essex
- Experimental and Clinical Research Center (ECRC; a cooperation of the Max Delbrück Center and Charité-Universitätsmedizin), Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), and Charité-Universitätsmedizin Berlin (a corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin), Berlin, Germany
| | - Valeria Rios Rodriguez
- Medical Department of Gastroenterology, Infectiology and Rheumatology, Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Judith Rademacher
- Medical Department of Gastroenterology, Infectiology and Rheumatology, Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, and Berlin Institute of Health (BIH) at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Fabian Proft
- Medical Department of Gastroenterology, Infectiology and Rheumatology, Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Ulrike Löber
- ECRC, MDC, Charité-Universitätsmedizin Berlin and German Center for Cardiovascular Research (DZHK), Berlin, Germany
| | - Lajos Markó
- ECRC, MDC, Charité-Universitätsmedizin Berlin and German Center for Cardiovascular Research (DZHK), Berlin, Germany
| | - Uwe Pleyer
- Department of Ophthalmology, Campus Virchow, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Till Strowig
- Helmholtz Center for Infection Research, Braunschweig, Germany, and Cluster of Excellence RESIST (EXC 2155), Hannover Medical School and Center for Individualized Infection Medicine (CiiM; a joint venture between the Helmholtz Center for Infection Research and the Hannover Medical School), Hannover, Germany
| | - Jérémy Marchand
- MDC and BIH Metabolomics Platform at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Jennifer A Kirwan
- MDC and BIH Metabolomics Platform at Charité-Universitätsmedizin Berlin, Berlin, Germany, and University of Nottingham School of Veterinary Medicine and Science, Loughborough, UK
| | - Britta Siegmund
- Medical Department of Gastroenterology, Infectiology and Rheumatology, Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Sofia K Forslund
- ECRC, MDC, Charité-Universitätsmedizin Berlin, and DZHK, Berlin, and Structural and Computational Biology Unit, EMBL, Heidelberg, Germany
| | - Denis Poddubnyy
- Department of Gastroentergology, Infectiology and Rheumatology, Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin and German Rheumatism Research Center (DRFZ), Berlin, Germany
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Rosine N, Fogel O, Koturan S, Rogge L, Bianchi E, Miceli-Richard C. T cells in the pathogenesis of axial spondyloarthritis. Joint Bone Spine 2023; 90:105619. [PMID: 37487956 DOI: 10.1016/j.jbspin.2023.105619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/26/2023]
Abstract
Axial spondyloarthritis (axSpA) is the prototype of the spondyloarthritis spectrum. The involvement of T cells in its pathogenesis has long been suspected on the basis of the association with the major histocompatibility complex I molecule HLA-B27 and the pivotal role of interleukin 17 in the inflammatory mechanisms associated with the disease. Moreover, the presence of unconventional or "innate-like" T cells within the axial enthesis suggests an important role for these cells in the pathophysiology of the disease. In this review, we describe the characteristics and the interleukin 17 secretion capacity of the T-cell subsets identified in axSpA. We discuss the genetic and epigenetic mechanisms that support the alteration of T-cell functions and promote their activation in axSpA. We also discuss recent data on T cells that could explain the extra-articular manifestations of the SpA spectrum.
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Affiliation(s)
- Nicolas Rosine
- Service de rhumatologie, université Angers, CHU d'Angers, Paris, France.
| | - Olivier Fogel
- Department of Rheumatology, EULAR Center of Excellence, hôpital Cochin, Assistance publique-Hôpitaux de Paris, Paris University, Paris, France
| | - Surya Koturan
- Faculty of Medicine, MRC London Institute of Medical Science, Institute of Clinical Sciences, Imperial College, W12 0NN London, United Kingdom
| | - Lars Rogge
- Immunoregulation Unit, Institut Pasteur, université Paris Cité, 75015 Paris, France
| | - Elisabetta Bianchi
- Immunoregulation Unit, Institut Pasteur, université Paris Cité, 75015 Paris, France
| | - Corinne Miceli-Richard
- Department of Rheumatology, EULAR Center of Excellence, hôpital Cochin, Assistance publique-Hôpitaux de Paris, Paris University, Paris, France
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Widjaja F, Rietjens IMCM. From-Toilet-to-Freezer: A Review on Requirements for an Automatic Protocol to Collect and Store Human Fecal Samples for Research Purposes. Biomedicines 2023; 11:2658. [PMID: 37893032 PMCID: PMC10603957 DOI: 10.3390/biomedicines11102658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/22/2023] [Accepted: 09/24/2023] [Indexed: 10/29/2023] Open
Abstract
The composition, viability and metabolic functionality of intestinal microbiota play an important role in human health and disease. Studies on intestinal microbiota are often based on fecal samples, because these can be sampled in a non-invasive way, although procedures for sampling, processing and storage vary. This review presents factors to consider when developing an automated protocol for sampling, processing and storing fecal samples: donor inclusion criteria, urine-feces separation in smart toilets, homogenization, aliquoting, usage or type of buffer to dissolve and store fecal material, temperature and time for processing and storage and quality control. The lack of standardization and low-throughput of state-of-the-art fecal collection procedures promote a more automated protocol. Based on this review, an automated protocol is proposed. Fecal samples should be collected and immediately processed under anaerobic conditions at either room temperature (RT) for a maximum of 4 h or at 4 °C for no more than 24 h. Upon homogenization, preferably in the absence of added solvent to allow addition of a buffer of choice at a later stage, aliquots obtained should be stored at either -20 °C for up to a few months or -80 °C for a longer period-up to 2 years. Protocols for quality control should characterize microbial composition and viability as well as metabolic functionality.
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Affiliation(s)
- Frances Widjaja
- Division of Toxicology, Wageningen University & Research, 6708 WE Wageningen, The Netherlands;
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State M, Balanescu P, Voiosu T, Bengus A, Voiosu A, Coman A, Mustatea P, Negreanu L, Mateescu RB, Popp C. Real-World Endoscopic and Histologic Outcomes in Ulcerative Colitis Patients: A Retrospective Cohort Study. Biomedicines 2023; 11:1860. [PMID: 37509500 PMCID: PMC10376510 DOI: 10.3390/biomedicines11071860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Histologic activity has emerged as an aspirational therapeutic goal in ulcerative colitis management. It is not yet a formal treatment target in ulcerative colitis. However, it could be used as an adjunct to mucosal healing to represent a deeper level of healing. We investigated mucosal and histologic remission rates and potential predictors of these outcomes in a cohort of UC patients. METHODS We conducted a retrospective analysis of data collected from UC patients enrolled in an ongoing prospective cohort study. Mucosal healing was defined as Mayo endoscopic score = 0. RESULTS A total of 131 patients with ulcerative colitis were enrolled in our study and were prospectively followed for a median length of 2 years (range 0-5 years), totaling 266 study visits. Mucosal healing was recorded for 27 patients at 70 (26%) different study visits. For patients with mucosal healing, histologic remission was achieved in 18/27 (66%) patients. On univariate analysis, sustained clinical remission, SIBDQ scores ≥ 5.5, CRP ≤ 5 mg/dL and absence of corticotherapy were associated with mucosal healing and SIBDQ scores ≥ 5.5 and CRP ≤ 5 mg/dL with histologic healing, respectively. After logistic regression analysis, none of the investigated factors were associated with mucosal and histologic healing. The number of CD8+ intraepithelial lymphocytes (IELs) was significantly greater than the number of CD4+ IELs in periods of disease activity, as well as during mucosal healing (p < 0.01 in both cases). CONCLUSIONS Mucosal healing and histologic remission rates are low in real-life settings. The results of univariate analysis indicate that a good quality of life (SIBDQ score) and normal inflammatory markers (CRP) are associated with mucosal and histologic healing. However, frequently used patient- and disease-related factors, including mucosal healing, are not reliable predictors for histologic remission. Greater CD8+ lymphocyte involvement and higher CD8+/CD4+ distribution can have a meaningful impact on understanding the pathogenesis and natural history of ulcerative colitis, as well as future treatment options for lymphocyte-targeting medications.
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Affiliation(s)
- Monica State
- Gastroenterology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Paul Balanescu
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Theodor Voiosu
- Gastroenterology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Andreea Bengus
- Gastroenterology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
| | - Andrei Voiosu
- Gastroenterology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Andrei Coman
- Pathology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Pathology Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Petronel Mustatea
- Surgery Department, Ion Cantacuzino Clinical Hospital, 011437 Bucharest, Romania
| | - Lucian Negreanu
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Gastroenterology Department, Emergency University Hospital, 050098 Bucharest, Romania
| | - Radu Bogdan Mateescu
- Gastroenterology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Internal Medicine Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Cristiana Popp
- Pathology Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Pathology Department, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
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Dvornikova KA, Platonova ON, Bystrova EY. Inflammatory Bowel Disease: Crosstalk between Histamine, Immunity, and Disease. Int J Mol Sci 2023; 24:9937. [PMID: 37373085 DOI: 10.3390/ijms24129937] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/30/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Inflammatory bowel disease (IBD) is increasingly recognized as a serious, worldwide public health concern. It is generally acknowledged that a variety of factors play a role in the pathogenesis of this group of chronic inflammatory diseases. The diversity of molecular actors involved in IBD does not allow us to fully assess the causal relationships existing in such interactions. Given the high immunomodulatory activity of histamine and the complex immune-mediated nature of inflammatory bowel disease, the role of histamine and its receptors in the gut may be significant. This paper has been prepared to provide a schematic of the most important and possible molecular signaling pathways related to histamine and its receptors and to assess their relevance for the development of therapeutic approaches.
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Affiliation(s)
| | - Olga N Platonova
- I.P. Pavlov Institute of Physiology RAS, St. Petersburg 199034, Russia
| | - Elena Y Bystrova
- I.P. Pavlov Institute of Physiology RAS, St. Petersburg 199034, Russia
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Maciel-Fiuza MF, Muller GC, Campos DMS, do Socorro Silva Costa P, Peruzzo J, Bonamigo RR, Veit T, Vianna FSL. Role of gut microbiota in infectious and inflammatory diseases. Front Microbiol 2023; 14:1098386. [PMID: 37051522 PMCID: PMC10083300 DOI: 10.3389/fmicb.2023.1098386] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 03/06/2023] [Indexed: 03/29/2023] Open
Abstract
Thousands of microorganisms compose the human gut microbiota, fighting pathogens in infectious diseases and inhibiting or inducing inflammation in different immunological contexts. The gut microbiome is a dynamic and complex ecosystem that helps in the proliferation, growth, and differentiation of epithelial and immune cells to maintain intestinal homeostasis. Disorders that cause alteration of this microbiota lead to an imbalance in the host’s immune regulation. Growing evidence supports that the gut microbial community is associated with the development and progression of different infectious and inflammatory diseases. Therefore, understanding the interaction between intestinal microbiota and the modulation of the host’s immune system is fundamental to understanding the mechanisms involved in different pathologies, as well as for the search of new treatments. Here we review the main gut bacteria capable of impacting the immune response in different pathologies and we discuss the mechanisms by which this interaction between the immune system and the microbiota can alter disease outcomes.
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Affiliation(s)
- Miriãn Ferrão Maciel-Fiuza
- Postgraduate Program in Genetics and Molecular Biology, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Instituto Nacional de Genética Médica Populacional, Porto Alegre, Brazil
- Genomics Medicine Laboratory, Center of Experimental Research, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Guilherme Cerutti Muller
- Postgraduate Program in Genetics and Molecular Biology, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Daniel Marques Stuart Campos
- Genomics Medicine Laboratory, Center of Experimental Research, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Perpétua do Socorro Silva Costa
- Postgraduate Program in Genetics and Molecular Biology, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Instituto Nacional de Genética Médica Populacional, Porto Alegre, Brazil
- Department of Nursing, Universidade Federal do Maranhão, Imperatriz, Brazil
| | - Juliano Peruzzo
- Dermatology Service of Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Postgraduate Program in Medicine, Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Renan Rangel Bonamigo
- Dermatology Service of Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Postgraduate Program in Medicine, Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Postgraduate Program in Pathology, Universidade Federal De Ciências Da Saúde de Porto Alegre, Porto Alegre, Brazil
| | - Tiago Veit
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Department of Microbiology, Immunology and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernanda Sales Luiz Vianna
- Postgraduate Program in Genetics and Molecular Biology, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Instituto Nacional de Genética Médica Populacional, Porto Alegre, Brazil
- Genomics Medicine Laboratory, Center of Experimental Research, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- Postgraduate Program in Medicine, Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
- *Correspondence: Fernanda Sales Luiz Vianna,
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Manna L, Rizzi E, Bafile E, Cappelleri A, Ruscica M, Macchi C, Podaliri Vulpiani M, Salini R, Rossi E, Panebianco C, Perri F, Pazienza V, Federici F. Lentilactobacillus kefiri SGL 13 and Andrographis paniculata alleviate dextran sulfate sodium induced colitis in mice. Front Nutr 2023; 10:1072334. [PMID: 36860688 PMCID: PMC9968723 DOI: 10.3389/fnut.2023.1072334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 01/09/2023] [Indexed: 02/15/2023] Open
Abstract
Introduction Inflammatory bowel diseases (IBD) are chronic inflammatory conditions that typically involve diarrhea, abdominal pain, fatigue, and weight loss, with a dramatic impact on patients' quality of life. Standard medications are often associated with adverse side effects. Thus, alternative treatments such as probiotics are of great interest. The purpose of the present study was to evaluate the effects of oral administration of Lentilactobacillus kefiri (basonym: Lactobacillus kefiri) SGL 13 and Andrographis paniculata, namely, Paniculin 13™, on dextran sodium sulfate (DSS)- treated C57BL/6J mice. Methods Colitis was induced by administering 1.5% DSS in drinking water for 9 days. Forty male mice were divided into four groups, receiving PBS (control), 1.5% DSS, Paniculin 13™ and 1.5% DSS + Paniculin 13™. Results The results showed that body weight loss and Disease Activity Index (DAI) score were improved by Paniculin 13™. Moreover, Paniculin 13™ ameliorated DSS-induced dysbiosis, by modulating the gut microbiota composition. The gene expression of MPO, TNFα and iNOS in colon tissue was reduced and these data matched with the histological results, supporting the efficacy of Paniculin 13™ in reducing the inflammatory response. No adverse effects were associated to Paniculin 13™ administration. Discussion In conclusion, Paniculin 13™ could be an effective add-on approach to conventional therapies for IBD.
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Affiliation(s)
- Laura Manna
- PNK Farmaceutici S.p.a., Castelnuovo Vomano, Italy
| | | | | | - Andrea Cappelleri
- Department of Veterinary Medicine (DIMEVET), University of Milan, Milan, Italy,Mouse and Animal Pathology Laboratory (MAPLab), Fondazione UNIMI, Milan, Italy
| | - Massimiliano Ruscica
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Chiara Macchi
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Michele Podaliri Vulpiani
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “Giuseppe Caporale” (IZSAM), Teramo, Italy
| | - Romolo Salini
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “Giuseppe Caporale” (IZSAM), Teramo, Italy
| | - Emanuela Rossi
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “Giuseppe Caporale” (IZSAM), Teramo, Italy
| | - Concetta Panebianco
- Division of Gastroenterology, Fondazione IRCCS-Casa Sollievo della Sofferenza, Foggia, Italy
| | - Francesco Perri
- Division of Gastroenterology, Fondazione IRCCS-Casa Sollievo della Sofferenza, Foggia, Italy
| | - Valerio Pazienza
- Division of Gastroenterology, Fondazione IRCCS-Casa Sollievo della Sofferenza, Foggia, Italy
| | - Federica Federici
- PNK Farmaceutici S.p.a., Castelnuovo Vomano, Italy,*Correspondence: Federica Federici,
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Zhang X, Zhu B, Li L, Xu J, Han Y, Zhang J, Hua Z. The dephosphorylation of FADD at S191 induces an excessive expansion of TCRαβ + IELs in the intestinal mucosa. Immunology 2022; 167:233-246. [PMID: 35753028 DOI: 10.1111/imm.13533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 05/19/2022] [Indexed: 06/15/2023] Open
Abstract
Intestinal intraepithelial lymphocytes (IELs) play a crucial role in host defence against pathogens in the intestinal mucosa. The development of intestinal IELs is distinct from peripheral T lymphocytes and remains elusive. Fas-associated protein with death domain (FADD) is important for T cell development in the thymus. Here we describe a novel function of FADD in the IEL development. FADD (S191A), a mouse FADD mutant at Ser191 to Ala mimicking constitutively unphosphorylated FADD, promoted a rapid expansion of TCRαβ+ IELs, not TCRγδ+ IELs. Mechanism investigation indicated that the dephosphorylation of FADD was required for cell activation mainly in TCRαβ+ CD8+ T cells. Consistently, FADD (S191A) as dephosphorylated FADD led to a high NF-κB activation in the TCR-dependent cell expansion. In addition, The FADD (S191A)-induced abnormal IEL populations resulted in the increased incidence and severity of colitis in mice. In summary, FADD signalling is involved in the intestinal IEL development and might be a regulator for intestinal mucosal homeostasis.
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Affiliation(s)
- Xuerui Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
- School of Pharmaceutical Sciences, Shandong First Medical University, Taian, China
| | - Banghui Zhu
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Lin Li
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jiahong Xu
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yuheng Han
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jing Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Zichun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
- School of Biopharmacy, China Pharmaceutical University, Nanjing, China
- Changzhou High-Tech Research Institute of Nanjing University and Jiangsu Target Pharma Laboratories Inc., Changzhou, China
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Lefferts AR, Norman E, Claypool DJ, Kantheti U, Kuhn KA. Cytokine competent gut-joint migratory T Cells contribute to inflammation in the joint. Front Immunol 2022; 13:932393. [PMID: 36159826 PMCID: PMC9489919 DOI: 10.3389/fimmu.2022.932393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/16/2022] [Indexed: 02/01/2023] Open
Abstract
Although studies have identified the presence of gut-associated cells in the enthesis of joints affected by spondylarthritis (SpA), a direct link through cellular transit between the gut and joint has yet to be formally demonstrated. Using KikGR transgenic mice to label in situ and track cellular trafficking from the distal colon to the joint under inflammatory conditions of both the gut and joint, we demonstrate bona-fide gut-joint trafficking of T cells from the colon epithelium, also called intraepithelial lymphocytes (IELs), to distal sites including joint enthesis, the pathogenic site of SpA. Similar to patients with SpA, colon IELs from the TNFΔARE/+ mouse model of inflammatory bowel disease and SpA display heightened TNF production upon stimulation. Using ex vivo stimulation of photo-labeled gut-joint trafficked T cells from the popliteal lymph nodes of KikGR and KikGR TNFΔARE/+ we saw that the CD4+ photo-labeled population was highly enriched for IL-17 competence in healthy as well as arthritic mice, however in the TNFΔARE/+ mice these cells were additionally enriched for TNF. Using transfer of magnetically isolated IELs from TNF+/+ and TNFΔARE/+ donors into Rag1 -/- hosts, we confirmed that IELs can exacerbate inflammatory processes in the joint. Finally, we blocked IEL recruitment to the colon epithelium using broad spectrum antibiotics in TNFΔARE/+ mice. Antibiotic-treated mice had reduced gut-joint IEL migration, contained fewer Il-17A and TNF competent CD4+ T cells, and lessened joint pathology compared to untreated littermate controls. Together these results demonstrate that pro-inflammatory colon-derived IELs can exacerbate inflammatory responses in the joint through systemic trafficking, and that interference with this process through gut-targeted approaches has therapeutic potential in SpA.
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11
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Topi S, Bottalico L, Charitos IA, Colella M, Di Domenico M, Palmirotta R, Santacroce L. Biomolecular Mechanisms of Autoimmune Diseases and Their Relationship with the Resident Microbiota: Friend or Foe? Pathophysiology 2022; 29:507-36. [PMID: 36136068 PMCID: PMC9505211 DOI: 10.3390/pathophysiology29030041] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/23/2022] [Accepted: 08/26/2022] [Indexed: 12/02/2022] Open
Abstract
The use of innovative approaches to elucidate the pathophysiological mechanisms of autoimmune diseases, as well as to further study of the factors which can have either a positive or negative effect on the course of the disease, is essential. In this line, the development of new molecular techniques and the creation of the Human Genome Program have allowed access to many more solutions to the difficulties that exist in the identification and characterization of the microbiome, as well as changes due to various factors. Such innovative technologies can rekindle older hypotheses, such as molecular mimicry, allowing us to move from hypothesis to theory and from correlation to causality, particularly regarding autoimmune diseases and dysbiosis of the microbiota. For example, Prevotella copri appears to have a strong association with rheumatoid arthritis; it is expected that this will be confirmed by several scientists, which, in turn, will make it possible to identify other mechanisms that may contribute to the pathophysiology of the disease. This article seeks to identify new clues regarding similar correlations between autoimmune activity and the human microbiota, particularly in relation to qualitative and quantitative microbial variations therein.
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12
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Wang L, Song C, Wang Y, Hu L, Liu X, Zhang J, Ji X, Man S, Zhang N, Li G, Yang Y, Peng L, Wei Z, Huang F. Symptoms Compatible with Rome IV Functional Bowel Disorder in Patients with Ankylosing Spondylitis. Mod Rheumatol 2022:6612220. [PMID: 35727178 DOI: 10.1093/mr/roac064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/21/2022] [Accepted: 06/20/2022] [Indexed: 11/14/2022]
Abstract
OBJECTIVES To determine the frequency of symptoms meeting Rome IV functional bowel disorder (FBD) in patients with ankylosing spondylitis (AS), investigate factors associated with FBD symptoms, and assess whether having FBD symptoms might influence AS disease activity. METHODS In this cross-sectional study, we enrolled 153 AS patients without known colonic ulcer and 56 sex- and age-matched controls to evaluate FBD (or its subtypes) symptoms. Disease characteristics were also evaluated in AS group. RESULTS Sixty (39.2%) of 153 AS patients had FBD symptoms, which was more prevalent than controls (23.2%). Besides, symptoms compatible with irritable bowel syndrome (IBS) and chronic diarrhea were detected in 18 and 43 AS patients respectively. For AS group, multivariable logistic regression analyses showed that symptoms of FBD, IBS, and chronic diarrhea were negatively associated with using non-steroidal anti-inflammatory drug (NSAID), and positively associated with comorbid fibromyalgia, respectively. In exploration about effects of FBD (or its subtypes) symptoms on AS disease activity by multivariable linear regression analyses, FBD symptoms and chronic diarrhea had universal positive associations with assessments of AS disease characteristics respectively. CONCLUSION Patients with AS had frequent symptoms compatible with FBD, IBS, and chronic diarrhea, proportions of which were lower in those with NSAID-use. The improvement of FBD symptoms and chronic diarrhea might be conducive to disease status of AS patients.
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Affiliation(s)
- Lei Wang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China.,Medical School of Chinese PLA, Beijing, China
| | - Chuan Song
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China.,Medical School of Chinese PLA, Beijing, China
| | - Yiwen Wang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Lidong Hu
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xingkang Liu
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jiaxin Zhang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China.,Medical School of Chinese PLA, Beijing, China
| | - Xiaojian Ji
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Siliang Man
- Department of Rheumatology, Beijing JiShuiTan Hospital, Beijing, China
| | - Nana Zhang
- Medical School of Chinese PLA, Beijing, China.,Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Gang Li
- Health Service Department of the Guard Bureau of the Joint Staff Department, Beijing, China
| | - Yunsheng Yang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Lihua Peng
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhimin Wei
- Health Service Department of the Guard Bureau of the Joint Staff Department, Beijing, China
| | - Feng Huang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
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13
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Amarnani A, Thakker S, Panush RS. Reflecting on the immunopathology of arthritis associated with inflammatory bowel disease: what do we know and what should we know? Clin Rheumatol 2022. [PMID: 35543893 DOI: 10.1007/s10067-022-06201-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 04/27/2022] [Accepted: 05/03/2022] [Indexed: 11/03/2022]
Abstract
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), is clinically closely associated with arthritis. Three major arthritis clinical subtypes have been described, peripheral arthritis type 1 (PeA1), peripheral arthritis type 2 (PeA2), and axial spondyloarthritis (axSpA). While genetic overlaps between IBD and arthritis have been defined, detailed pathophysiology for these three major subtypes of arthritis in patients with IBD has only recently begun to be established. The genetic and molecular mechanisms distinguishing axial and peripheral arthropathies in patients with UC and CD need to be better described. Understanding the pathophysiology for PeA1, PeA2, and axSpA in the settings of both UC and CD is necessary to provide the fundamental biology underlying the clinical phenotypes in IBD arthritis. This has been attempted for CD-associated spondyloarthritis, differentiating this from both CD and axSpA, while observing unique peripheral blood mononuclear cells linking gut inflammation to joint disease. We should know more about the processes by which immune cells are perturbed in these disorders, how they translocate to joints, how they are activated, what other molecules and mediators are involved, and how gut microbes and microbial products damage joints. Information from such studies are needed to elucidate whether distinctions between IBD-related peripheral and axSpA are clinically meaningful. IBD-related peripheral and axSpA studies are needed to elucidate whether distinctions between peripheral and axSpA are clinically meaningful, to better understand immunopathogenesis, and to develop novel targeted therapies.
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14
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Xu M, Xue H, Qiao G, Liao M, Kong L, Zhang Q, Lin L, Yang L, Zheng G. Regulating the Imbalance of Gut Microbiota by Smilax china L. Polyphenols to Alleviate Dextran Sulfate Sodium-induced Inflammatory Bowel Diseases. Am J Chin Med 2022; 50:553-568. [PMID: 35114911 DOI: 10.1142/s0192415x22500215] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Smilax china L. is used not only as a kind of traditional Chinese herbal medicinal ingredients with various pharmacological properties, but also as food in certain parts of China. However, it is by far still unclear whether Smilax china L. polyphenols (SCP), as important bioactive constituents in Smilax china L., have effects on inflammatory bowel diseases (IBD). This study investigated the impact of SCP on the dextran sulfate sodium (DSS)-induced IBD and gut microbiota in mice. SCP treatments ameliorated typical symptoms of IBD as what was reflected through suppressing body weight loss, colonic shortening, intestinal barrier damage, and increasing intestinal disease activity index. SCP treatments simultaneously decreased the release of proinflammatory cytokines and oxidative stress, as well as promoted the release of anti-inflammatory factors. Furthermore, SCP ameliorated the ecological imbalance of gut microbiota and regulated the key bacteria associated with IBD (including Akkermansiaceae, Ruminococcaceae, Acidaminococcaceae, Muribaculaceae, and Anaeroplasmataceae). In general, SCP may improve DSS-induced IBD in mice by regulating inflammatory factors, inhibiting oxidative stress, reducing intestinal tissue damage, and regulating the ecological imbalance of intestinal microbiota. Thus, SCP might serve as a potential therapeutic agent against the inflammation-driven diseases.
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Affiliation(s)
- Meng Xu
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Hui Xue
- Engineering Research Center of Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi 330047, P. R. China
| | - Gaoxiang Qiao
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Mingfu Liao
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Li Kong
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Qingfeng Zhang
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Lezhen Lin
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
| | - Licong Yang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
| | - Guodong Zheng
- Jiangxi Key Laboratory of Natural Products and Functional Food, School of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 330045, P. R. China
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15
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Liao HT, Tsai CY, Lai CC, Hsieh SC, Sun YS, Li KJ, Shen CY, Wu CH, Lu CH, Kuo YM, Li TH, Chou CT, Yu CL. The Potential Role of Genetics, Environmental Factors, and Gut Dysbiosis in the Aberrant Non-Coding RNA Expression to Mediate Inflammation and Osteoclastogenic/Osteogenic Differentiation in Ankylosing Spondylitis. Front Cell Dev Biol 2022; 9:748063. [PMID: 35127698 PMCID: PMC8811359 DOI: 10.3389/fcell.2021.748063] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 11/09/2021] [Indexed: 12/17/2022] Open
Abstract
Ankylosing spondylitis (AS) or radiographic axial spondyloarthritis is a chronic immune-mediated rheumatic disorder characterized by the inflammation in the axial skeleton, peripheral joints, and soft tissues (enthesis, fascia, and ligament). In addition, the extra-skeletal complications including anterior uveitis, interstitial lung diseases and aortitis are found. The pathogenesis of AS implicates an intricate interaction among HLA (HLA-B27) and non-HLA loci [endoplasmic reticulum aminopeptidase 1 (ERAP1), and interleukin-23 receptor (IL23R), gut dysbiosis, immune plasticity, and numerous environmental factors (infections, heavy metals, stress, cigarette smoking, etc.) The latter multiple non-genetic factors may exert a powerful stress on epigenetic regulations. These epigenetic regulations of gene expression contain DNA methylation/demethylation, histone modifications and aberrant non-coding RNAs (ncRNAs) expression, leading to inflammation and immune dysfunctions. In the present review, we shall discuss these contributory factors that are involved in AS pathogenesis, especially the aberrant ncRNA expression and its effects on the proinflammatory cytokine productions (TNF-α, IL-17 and IL-23), T cell skewing to Th1/Th17, and osteoclastogenic/osteogenic differentiation. Finally, some potential investigatory approaches are raised for solving the puzzles in AS pathogenesis.
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Affiliation(s)
- Hsien-Tzung Liao
- Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
| | - Chang-Youh Tsai
- Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
- *Correspondence: Chang-Youh Tsai, ; Chia-Li Yu,
| | - Chien-Chih Lai
- Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
| | - Song-Chou Hsieh
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yi-Syuan Sun
- Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
| | - Ko-Jen Li
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chieh-Yu Shen
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Cheng-Han Wu
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Cheng-Hsun Lu
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yu-Min Kuo
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Tzu-Hao Li
- Division of Allergy, Immunology and Rheumatology, Taipei, Taiwan
- Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Chung-Tei Chou
- Division of Allergy, Immunology and Rheumatology, Taipei Veterans General Hospital, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
| | - Chia-Li Yu
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
- *Correspondence: Chang-Youh Tsai, ; Chia-Li Yu,
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16
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Wang L, Wang Y, Zhang P, Song C, Pan F, Li G, Peng L, Yang Y, Wei Z, Huang F. Gut microbiota changes in patients with spondyloarthritis: A systematic review. Semin Arthritis Rheum 2021; 52:151925. [PMID: 34844732 DOI: 10.1016/j.semarthrit.2021.11.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 10/30/2021] [Accepted: 11/04/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Gut microbiota has been proposed as a pivotal role in the progression of Spondyloarthritis (SpA), however diverse results remain to be synthesized. We performed a systematic review to collect evidence on the characteristic of the gut microbiota in patients with SpA, as compared to controls. METHODS We systematically searched MEDLINE, EMBASE, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials databases, through June 1, 2021 for studies that compared gut microbiota of cases with SpA versus healthy controls. RESULTS Of 3756 records identified, 28 studies from 23 articles were included in the analysis. Results of β-diversity showed SpA patients hold a significantly different microbial composition compared with controls. Several taxa-level differences of gut microbiota between SpA (and its subtypes) cases and controls were identified. Fourteen studies including only patients with ankylosing spondylitis (AS) reported increased amounts of Actinobacteria, Dialister, Streptococcus, and Clostridium bolteae, and decreased amounts of Bacteroidales and Parasutterella in AS cases versus controls in ≥ 3 studies. Dialister invisus was increased in axial-SpA cases versus controls in 3 studies. Bacteroides fragilis was increased in enthesitis-related arthritis (ERA) cases versus controls in 2 studies. For all SpA studies, Proteobacteria, Enterobacteriaceae, and Bacteroidaceae were increased, whereas Bacteroidetes, Bacteroidales, and Akkermansia were decreased in cases versus controls in ≥ 3 studies. Over 40% of the studies showed comparable data of both sex and age between cases and controls. CONCLUSION The microbial characteristics of SpA summarized in the systematic review laid the groundwork for evidence-based microbial treatment. The microbial variance among subtypes of SpA remains to be explored. Further studies are needed to elucidate how the altered microbiota participate in the pathogenesis of SpA.
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Affiliation(s)
- Lei Wang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China; Medical School of Chinese PLA, Beijing, China
| | - Yiwen Wang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Pei Zhang
- School of Medicine, Nankai University, Tianjin, China
| | - Chuan Song
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China; Medical School of Chinese PLA, Beijing, China
| | - Fei Pan
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Gang Li
- Health Service Department of the Guard Bureau of the Joint Staff Department, Beijing, China
| | - Lihua Peng
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yunsheng Yang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhimin Wei
- Health Service Department of the Guard Bureau of the Joint Staff Department, Beijing, China.
| | - Feng Huang
- Department of Rheumatology and Immunology, The First Medical Center, Chinese PLA General Hospital, Beijing, China.
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17
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Zhuang T, Li W, Yang L, Wang Z, Ding L, Zhou M. Gut Microbiota: Novel Therapeutic Target of Ginsenosides for the Treatment of Obesity and Its Complications. Front Pharmacol 2021; 12:731288. [PMID: 34512356 PMCID: PMC8429618 DOI: 10.3389/fphar.2021.731288] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 08/16/2021] [Indexed: 12/12/2022] Open
Abstract
Obesity, generally characterized by excessive lipid accumulation, is a metabolic threat worldwide due to its rapid growth in global prevalence. Ginsenosides are crucial components derived from natural plants that can confer metabolic benefits for obese patients. Considering the low bioavailability and degradable properties of ginsenosides in vivo, it should be admitted that the mechanism of ginsenosides on anti-obesity contribution is still obscure. Recently, studies have indicated that ginsenoside intervention has beneficial metabolic effects on obesity and its complications because it allows for the correction of gut microbiota dysbiosis and regulates the secretion of related endogenous metabolites. In this review, we summarize the role of gut microbiota in the pathogenetic process of obesity, and explore the mechanism of ginsenosides for ameliorating obesity, which can modulate the composition of gut microbiota by improving the metabolism of intestinal endogenous substances and alleviating the level of inflammation. Ginsenosides are expected to become a promising anti-obesity medical intervention in the foreseeable clinical settings.
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Affiliation(s)
- Tongxi Zhuang
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wei Li
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai R&D Center for Standardization of Traditional Chinese Medicines, Shanghai, China
| | - Li Yang
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai R&D Center for Standardization of Traditional Chinese Medicines, Shanghai, China
| | - Zhengtao Wang
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai R&D Center for Standardization of Traditional Chinese Medicines, Shanghai, China
| | - Lili Ding
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shanghai R&D Center for Standardization of Traditional Chinese Medicines, Shanghai, China
| | - Mingmei Zhou
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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18
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Siebert JC, Saint-Cyr M, Borengasser SJ, Wagner BD, Lozupone CA, Görg C. CANTARE: finding and visualizing network-based multi-omic predictive models. BMC Bioinformatics 2021; 22:80. [PMID: 33607938 PMCID: PMC7896366 DOI: 10.1186/s12859-021-04016-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/05/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND One goal of multi-omic studies is to identify interpretable predictive models for outcomes of interest, with analytes drawn from multiple omes. Such findings could support refined biological insight and hypothesis generation. However, standard analytical approaches are not designed to be "ome aware." Thus, some researchers analyze data from one ome at a time, and then combine predictions across omes. Others resort to correlation studies, cataloging pairwise relationships, but lacking an obvious approach for cohesive and interpretable summaries of these catalogs. METHODS We present a novel workflow for building predictive regression models from network neighborhoods in multi-omic networks. First, we generate pairwise regression models across all pairs of analytes from all omes, encoding the resulting "top table" of relationships in a network. Then, we build predictive logistic regression models using the analytes in network neighborhoods of interest. We call this method CANTARE (Consolidated Analysis of Network Topology And Regression Elements). RESULTS We applied CANTARE to previously published data from healthy controls and patients with inflammatory bowel disease (IBD) consisting of three omes: gut microbiome, metabolomics, and microbial-derived enzymes. We identified 8 unique predictive models with AUC > 0.90. The number of predictors in these models ranged from 3 to 13. We compare the results of CANTARE to random forests and elastic-net penalized regressions, analyzing AUC, predictions, and predictors. CANTARE AUC values were competitive with those generated by random forests and penalized regressions. The top 3 CANTARE models had a greater dynamic range of predicted probabilities than did random forests and penalized regressions (p-value = 1.35 × 10-5). CANTARE models were significantly more likely to prioritize predictors from multiple omes than were the alternatives (p-value = 0.005). We also showed that predictive models from a network based on pairwise models with an interaction term for IBD have higher AUC than predictive models built from a correlation network (p-value = 0.016). R scripts and a CANTARE User's Guide are available at https://sourceforge.net/projects/cytomelodics/files/CANTARE/ . CONCLUSION CANTARE offers a flexible approach for building parsimonious, interpretable multi-omic models. These models yield quantitative and directional effect sizes for predictors and support the generation of hypotheses for follow-up investigation.
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Affiliation(s)
- Janet C Siebert
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
| | - Martine Saint-Cyr
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sarah J Borengasser
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Brandie D Wagner
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, USA
| | - Catherine A Lozupone
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Carsten Görg
- Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO, USA
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19
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Hernández-Quiroz F, Murugesan S, Velazquez-Martínez C, Villalobos-Flores LE, Maya-Lucas O, Piña-Escobedo A, García-González I, Ocadiz-Delgado R, Lambert PF, Gariglio P, García-Mena J. The vaginal and fecal microbiota of a murine cervical carcinoma model under synergistic effect of 17β-Estradiol and E7 oncogene expression. Microb Pathog 2021; 152:104763. [PMID: 33529736 DOI: 10.1016/j.micpath.2021.104763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 01/23/2021] [Accepted: 01/24/2021] [Indexed: 10/22/2022]
Abstract
Cervical cancer is an important health issue worldwide. Many factors are related to this condition as the persistence of human papillomavirus (HPV) infection (e.g. type 16 and 18), the use of hormonal contraceptives for long periods of time, pH changes and bacterial vaginosis. The association between the microbiota and cervical human cancer is an interesting issue to be explored; given that environmental and hormonal factors may change the vaginal microbiota contributing to this condition. Our hypothesis was that changes in the microbiota diversity is associated with the development of cervical cancer. We evaluated the microbiota diversity in vaginal lavages and fecal samples at different stages of cervical cancer development in a mice model (K14HPV16E7) with type 16 E7 oncogene expression (E7), under continuous or not continuous stimulus of 17β-estradiol (E2) and compared it with a non-transgenic isogenic control (FVB) under same conditions. Our results indicate that continuous E2 administration during 6 months in the model with type 16 E7 expression causing development of cancer, is associated with significant changes in the microbiota diversity of the cervicovaginal lavages. Similar results were not observed in the same model when no E2 was administered to the mice. The FVB mice with no E7 expression which do not develop cervical cancer, did not show comparable changes in the microbiota diversity when E2 was administered during the same period. Normal evolution of the cervical epithelium and microbiota diversity were observed for the FVB mice with no E2 administration. Large changes in the microbiota diversity in fecal samples were not observed suggesting a specific organ effect of E7 expression associated to E2 on the vaginal microbiota.
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Affiliation(s)
- Fernando Hernández-Quiroz
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Selvasankar Murugesan
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Cristina Velazquez-Martínez
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Loan Edel Villalobos-Flores
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Otoniel Maya-Lucas
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Alberto Piña-Escobedo
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Igrid García-González
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Rodolfo Ocadiz-Delgado
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Paul F Lambert
- McArdle Laboratory for Cancer Research, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53706, USA.
| | - Patricio Gariglio
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
| | - Jaime García-Mena
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av IPN 2508 Col Zacatenco, Ciudad de México, 07360, Mexico.
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20
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Gracey E, Vereecke L, McGovern D, Fröhling M, Schett G, Danese S, De Vos M, Van den Bosch F, Elewaut D. Revisiting the gut-joint axis: links between gut inflammation and spondyloarthritis. Nat Rev Rheumatol 2020; 16:415-33. [PMID: 32661321 DOI: 10.1038/s41584-020-0454-9] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2020] [Indexed: 02/07/2023]
Abstract
Gut inflammation is strongly associated with spondyloarthritis (SpA), as exemplified by the high prevalence of inflammatory bowel disease (IBD) and the even higher occurrence of subclinical gut inflammation in patients with SpA. The gut-joint axis of inflammation in SpA is further reinforced by similarities in immunopathogenesis at both anatomical sites and by the clinical success of therapies blocking TNF and IL-23 in IBD and in some forms of SpA. Many genetic risk factors are shared between SpA and IBD, and changes in the composition of gut microbiota are seen in both diseases. Current dogma is that inflammation in SpA initiates in the gut and leads to joint inflammation; however, although conceptually attractive, some research does not support this causal relationship. For example, therapies targeting IL-17A are efficacious in the joint but not the gut, and interfering with gut trafficking by targeting molecules such as α4β7 in IBD can lead to onset or flares of SpA. Several important knowledge gaps remain that must be addressed in future studies. Determining the true nature of the gut-joint axis has real-world implications for the treatment of patients with co-incident IBD and SpA and for the repurposing of therapeutics from one disease to the other.
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21
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Ambrosini YM, Shin W, Min S, Kim HJ. Microphysiological Engineering of Immune Responses in Intestinal Inflammation. Immune Netw 2020; 20:e13. [PMID: 32395365 PMCID: PMC7192834 DOI: 10.4110/in.2020.20.e13] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/18/2020] [Accepted: 03/10/2020] [Indexed: 02/07/2023] Open
Abstract
The epithelial barrier in the gastrointestinal (GI) tract is a protective interface that endures constant exposure to the external environment while maintaining its close contact with the local immune system. Growing evidence has suggested that the intercellular crosstalk in the GI tract contributes to maintaining the homeostasis in coordination with the intestinal microbiome as well as the tissue-specific local immune elements. Thus, it is critical to map the complex crosstalks in the intestinal epithelial-microbiome-immune (EMI) axis to identify a pathological trigger in the development of intestinal inflammation, including inflammatory bowel disease. However, deciphering a specific contributor to the onset of pathophysiological cascades has been considerably hindered by the challenges in current in vivo and in vitro models. Here, we introduce various microphysiological engineering models of human immune responses in the EMI axis under the healthy conditions and gut inflammation. As a prospective model, we highlight how the human “gut inflammation-on-a-chip” can reconstitute the pathophysiological immune responses and contribute to understanding the independent role of inflammatory factors in the EMI axis on the initiation of immune responses under barrier dysfunction. We envision that the microengineered immune models can be useful to build a customizable patient's chip for the advance in precision medicine.
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Affiliation(s)
- Yoko M Ambrosini
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.,Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA 50011 USA
| | - Woojung Shin
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Soyoun Min
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Hyun Jung Kim
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.,Department of Oncology, Dell Medical School, The University of Texas at Austin, Austin, TX 78712, USA
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22
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Roda G, Chien Ng S, Kotze PG, Argollo M, Panaccione R, Spinelli A, Kaser A, Peyrin-Biroulet L, Danese S. Crohn's disease. Nat Rev Dis Primers 2020; 6:22. [PMID: 32242028 DOI: 10.1038/s41572-020-0156-2] [Citation(s) in RCA: 368] [Impact Index Per Article: 92.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/14/2020] [Indexed: 12/15/2022]
Abstract
Crohn's disease is an inflammatory bowel disease that is characterized by chronic inflammation of any part of the gastrointestinal tract, has a progressive and destructive course and is increasing in incidence worldwide. Several factors have been implicated in the cause of Crohn's disease, including a dysregulated immune system, an altered microbiota, genetic susceptibility and environmental factors, but the cause of the disease remains unknown. The onset of the disease at a young age in most cases necessitates prompt but long-term treatment to prevent disease flares and disease progression with intestinal complications. Thus, earlier, more aggressive treatment with biologic therapies or novel small molecules could profoundly change the natural history of the disease and decrease complications and the need for hospitalization and surgery. Although less invasive biomarkers are in development, diagnosis still relies on endoscopy and histological assessment of biopsy specimens. Crohn's disease is a complex disease, and treatment should be personalized to address the underlying pathogenetic mechanism. In the future, disease management might rely on severity scores that incorporate prognostic factors, bowel damage assessment and non-invasive close monitoring of disease activity to reduce the severity of complications.
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23
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Abstract
Spondyloarthritis (SpA) is a group of chronic, inflammatory rheumatic diseases mainly affecting the axial skeleton. Although the pathogenesis of the disease remains elusive, alterations of intestinal microbial composition have been demonstrated in patients with SpA and associated with intestinal and systemic immune alterations. Substantial data have been published in recent years in ethnically different patient populations, demonstrating in a consolidated way the presence of alterations in the composition of the microbial flora in patients with SpA. It is not currently possible to establish whether these alterations are intrinsically inherent in the disease, for example, the effect of particular genes that confer susceptibility to the disease itself, or are a consequence of a more systemic inflammatory process that also involves the intestine. However, data deriving from animal models and studies on relatives of patients with SpA strongly suggest that these alterations might precede the onset of the disease. In this review, we will try to critically analyze studies on dysbiosis in SpA and animal models of SpA, analyzing their functional consequences and the impact of biotechnological therapies on intestinal bacterial composition.
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Affiliation(s)
- Daniele Mauro
- Department of Precision Medicine, Università Degli Studi Della Campania L. Vanvitelli, Naples, Italy
| | - Francesco Ciccia
- Department of Precision Medicine, Università Degli Studi Della Campania L. Vanvitelli, Naples, Italy.
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24
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Yang T, Li H, Oliveira AC, Goel R, Richards EM, Pepine CJ, Raizada MK. Transcriptomic signature of gut microbiome-contacting cells in colon of spontaneously hypertensive rats. Physiol Genomics 2020; 52:121-132. [PMID: 31869283 PMCID: PMC7099409 DOI: 10.1152/physiolgenomics.00087.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/20/2019] [Accepted: 12/20/2019] [Indexed: 01/14/2023] Open
Abstract
Fecal matter transfer from hypertensive patients and animals into normotensive animals increases blood pressure, strengthening the evidence for gut-microbiota interactions in the control of blood pressure. However, cellular and molecular events involved in gut dysbiosis-associated hypertension remain poorly understood. Therefore, our objective in this study was to use gene expression profiling to characterize the gut epithelium layer in the colon in hypertension. We observed significant suppression of components of T cell receptor (TCR) signaling in the colonic epithelium of spontaneously hypertensive rats (SHR) when compared with Wistar Kyoto (WKY) normotensive rats. Western blot analysis confirmed lower expression of key proteins including T cell surface glycoprotein CD3 gamma chain (Cd3g) and lymphocyte cytosolic protein 2 (Lcp2). Furthermore, lower expression of cytokines and receptors responsible for lymphocyte proliferation, differentiation, and activation (e.g., Il12r, Il15ra, Il7, Il16, Tgfb1) was observed in the colonic epithelium of the SHR. Finally, Alpi and its product, intestinal alkaline phosphatase, primarily localized in the epithelial cells, were profoundly lower in the SHR. These observations demonstrate that the colonic epithelium undergoes functional changes linked to altered immune, barrier function, and dysbiosis in hypertension.
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Affiliation(s)
- Tao Yang
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Hongbao Li
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University, Xi'an, China
| | - Aline C Oliveira
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Ruby Goel
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Elaine M Richards
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Carl J Pepine
- Division of Cardiovascular Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Mohan K Raizada
- Department of Physiology and Functional Genomics, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
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25
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Manca C, Boubertakh B, Leblanc N, Deschênes T, Lacroix S, Martin C, Houde A, Veilleux A, Flamand N, Muccioli GG, Raymond F, Cani PD, Di Marzo V, Silvestri C. Germ-free mice exhibit profound gut microbiota-dependent alterations of intestinal endocannabinoidome signaling. J Lipid Res 2020; 61:70-85. [PMID: 31690638 PMCID: PMC6939599 DOI: 10.1194/jlr.ra119000424] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 10/26/2019] [Indexed: 01/10/2023] Open
Abstract
The gut microbiota is a unique ecosystem of microorganisms interacting with the host through several biochemical mechanisms. The endocannabinoidome (eCBome), a complex signaling system including the endocannabinoid system, approximately 50 receptors and metabolic enzymes, and more than 20 lipid mediators with important physiopathologic functions, modulates gastrointestinal tract function and may mediate host cell-microbe communications there. Germ-free (GF) mice, which lack an intestinal microbiome and so differ drastically from conventionally raised (CR) mice, offer a unique opportunity to explore the eCBome in a microbe-free model and in the presence of a reintroduced functional gut microbiome through fecal microbiota transplant (FMT). We aimed to gain direct evidence for a link between the microbiome and eCBome systems by investigating eCBome alterations in the gut in GF mice before and after FMT. Basal eCBome gene expression and lipid profiles were measured in various segments of the intestine of GF and CR mice at juvenile and adult ages using targeted quantitative PCR transcriptomics and LC-MS/MS lipidomics. GF mice exhibited age-dependent modifications in intestinal eCBome gene expression and lipid mediator levels. FMT from CR donor mice to age-matched GF male mice reversed several of these alterations, particularly in the ileum and jejunum, after only 1 week, demonstrating that the gut microbiome directly impacts the host eCBome and providing a cause-effect relationship between the presence or absence of intestinal microbes and eCBome signaling. These results open the way to new studies investigating the mechanisms through which intestinal microorganisms exploit eCBome signaling to exert some of their physiopathologic functions.
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Affiliation(s)
- Claudia Manca
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Département de Médecine, Faculté de Médecine, Université Laval, Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada
| | - Besma Boubertakh
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Département de Médecine, Faculté de Médecine, Université Laval, Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada
| | - Nadine Leblanc
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada
| | - Thomas Deschênes
- Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada; École de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation (FSAA), Université Laval, Québec, Canada
| | - Sebastien Lacroix
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada
| | - Cyril Martin
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada
| | - Alain Houde
- Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada
| | - Alain Veilleux
- Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada; École de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation (FSAA), Université Laval, Québec, Canada
| | - Nicolas Flamand
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Département de Médecine, Faculté de Médecine, Université Laval, Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada
| | - Giulio G Muccioli
- Louvain Drug Research Institute (LDRI), Bioanalysis and Pharmacology of Bioactive Lipids Research Group, UCLouvain (Université Catholique de Louvain), Brussels, Belgium
| | - Frédéric Raymond
- Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada; École de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation (FSAA), Université Laval, Québec, Canada
| | - Patrice D Cani
- Louvain Drug Research Institute (LDRI), Bioanalysis and Pharmacology of Bioactive Lipids Research Group, UCLouvain (Université Catholique de Louvain), Brussels, Belgium; Walloon Excellence in Life Sciences and Biotechnology (WELBIO), Metabolism and Nutrition Research Group, UCLouvain (Université Catholique de Louvain), Brussels, Belgium
| | - Vincenzo Di Marzo
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Département de Médecine, Faculté de Médecine, Université Laval, Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada; Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Québec, Canada; École de Nutrition, Faculté des Sciences de l'Agriculture et de l'Alimentation (FSAA), Université Laval, Québec, Canada
| | - Cristoforo Silvestri
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Département de Médecine, Faculté de Médecine, Université Laval, Québec, Canada; Canada Excellence Research Chair in the Microbiome-Endocannabinoidome Axis in Metabolic Health (CERC-MEND), Québec, Canada.
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26
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Qaiyum Z, Gracey E, Yao Y, Inman RD. Response to: 'Gut-derived CD8+ tissue-resident memory T cells are expanded in the peripheral blood and synovia of SpA patients' by Guggino et al. Ann Rheum Dis 2019; 80:e175. [PMID: 31852673 DOI: 10.1136/annrheumdis-2019-216472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/09/2019] [Accepted: 12/09/2019] [Indexed: 11/03/2022]
Affiliation(s)
- Zoya Qaiyum
- Krembiil Research Institute, Toronto, Ontario, Canada
| | - Eric Gracey
- Rheumatology, University of Ghent, Gent, Belgium
| | | | - Robert D Inman
- Krembiil Research Institute, Toronto, Ontario, Canada .,Spondylitis Program, University Health Network, Toronto, Ontario, Canada
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27
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Xu H, Liu M, Cao J, Li X, Fan D, Xia Y, Lu X, Li J, Ju D, Zhao H. The Dynamic Interplay between the Gut Microbiota and Autoimmune Diseases. J Immunol Res 2019; 2019:7546047. [PMID: 31772949 DOI: 10.1155/2019/7546047] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 09/14/2019] [Indexed: 12/11/2022] Open
Abstract
The human gut-resident commensal microbiota is a unique ecosystem associated with various bodily functions, especially immunity. Gut microbiota dysbiosis plays a crucial role in autoimmune disease pathogenesis as well as in bowel-related diseases. However, the role of the gut microbiota, which causes or influences systemic immunity in autoimmune diseases, remains elusive. Aryl hydrocarbon receptor, a ligand-activated transcription factor, is a master moderator of host-microbiota interactions because it shapes the immune system and impacts host metabolism. In addition, treatment optimization while minimizing potential adverse effects in autoimmune diseases remains essential, and modulation of the gut microbiota constitutes a potential clinical therapy. Here, we present evidence linking gut microbiota dysbiosis with autoimmune mechanisms involved in disease development to identify future effective approaches based on the gut microbiota for preventing autoimmune diseases.
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28
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Huihui Xu, Meijie Liu, Jinfeng Cao, Xiaoya Li, Danping Fan, Ya Xia, Xiangchen Lu, Jingtao Li, Dahong Ju, Hongyan Zhao. The Dynamic Interplay between the Gut Microbiota and Autoimmune Diseases. J Immunol Res 2019; 2019:7546047. [PMID: 31772949 DOI: 10.1155/2019/7546047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The human gut-resident commensal microbiota is a unique ecosystem associated with various bodily functions, especially immunity. Gut microbiota dysbiosis plays a crucial role in autoimmune disease pathogenesis as well as in bowel-related diseases. However, the role of the gut microbiota, which causes or influences systemic immunity in autoimmune diseases, remains elusive. Aryl hydrocarbon receptor, a ligand-activated transcription factor, is a master moderator of host-microbiota interactions because it shapes the immune system and impacts host metabolism. In addition, treatment optimization while minimizing potential adverse effects in autoimmune diseases remains essential, and modulation of the gut microbiota constitutes a potential clinical therapy. Here, we present evidence linking gut microbiota dysbiosis with autoimmune mechanisms involved in disease development to identify future effective approaches based on the gut microbiota for preventing autoimmune diseases.
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29
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Abstract
Although the pathogenesis of spondylarthritis (SpA) has been the subject of intensive research in recent years, the consequences for treatment are relatively minor. Basic research studies indicated a potentially important role of the cytokines tumor necrosis factor (TNF) alpha and interleukin (IL)-17 for the pathogenesis of SpA but their outstanding role could then only be demonstrated by their inhibition in clinical studies, while other promising targets, such as IL‑23 and IL‑6 could not be shown to be relevant (at least against axial manifestations) in clinical studies. The intestinal microbiota probably plays an important role in the pathogenesis but not yet for the treatment of SpA. Ultimately, early effective and long-term suppression of inflammation is currently the best method to prevent ankylosis in the long run.
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Affiliation(s)
- J Sieper
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, Hindenburgdamm 30, 12203, Berlin, Deutschland
| | - D Poddubnyy
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, Hindenburgdamm 30, 12203, Berlin, Deutschland.
- Epidemiologie, Deutsches Rheumaforschungszentrum, Berlin, Deutschland.
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30
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Siebert JC, Neff CP, Schneider JM, Regner EH, Ohri N, Kuhn KA, Palmer BE, Lozupone CA, Görg C. VOLARE: visual analysis of disease-associated microbiome-immune system interplay. BMC Bioinformatics 2019; 20:432. [PMID: 31429723 PMCID: PMC6701114 DOI: 10.1186/s12859-019-3021-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 08/06/2019] [Indexed: 02/08/2023] Open
Abstract
Background Relationships between specific microbes and proper immune system development, composition, and function have been reported in a number of studies. However, researchers have discovered only a fraction of the likely relationships. “Omic” methodologies such as 16S ribosomal RNA (rRNA) sequencing and time-of-flight mass cytometry (CyTOF) immunophenotyping generate data that support generation of hypotheses, with the potential to identify additional relationships at a level of granularity ripe for further experimentation. Pairwise linear regressions between microbial and host immune features provide one approach for quantifying relationships between “omes”, and the differences in these relationships across study cohorts or arms. This approach yields a top table of candidate results. However, the top table alone lacks the detail that domain experts such as microbiologists and immunologists need to vet candidate results for follow-up experiments. Results To support this vetting, we developed VOLARE (Visualization Of LineAr Regression Elements), a web application that integrates a searchable top table, small in-line graphs illustrating the fitted models, a network summarizing the top table, and on-demand detailed regression plots showing full sample-level detail. We applied VOLARE to three case studies—microbiome:cytokine data from fecal samples in human immunodeficiency virus (HIV), microbiome:cytokine data in inflammatory bowel disease and spondyloarthritis, and microbiome:immune cell data from gut biopsies in HIV. We present both patient-specific phenomena and relationships that differ by disease state. We also analyzed interaction data from system logs to characterize usage scenarios. This log analysis revealed that users frequently generated detailed regression plots, suggesting that this detail aids the vetting of results. Conclusions Systematically integrating microbe:immune cell readouts through pairwise linear regressions and presenting the top table in an interactive environment supports the vetting of results for scientific relevance. VOLARE allows domain experts to control the analysis of their results, screening dozens of candidate relationships with ease. This interactive environment transcends the limitations of a static top table. Electronic supplementary material The online version of this article (10.1186/s12859-019-3021-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Janet C Siebert
- Computational Bioscience Program, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA. .,CytoAnalytics, Denver, CO, 80113, USA.
| | - Charles Preston Neff
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Jennifer M Schneider
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Emilie H Regner
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Neha Ohri
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Kristine A Kuhn
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Brent E Palmer
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Catherine A Lozupone
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, 80045, USA
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31
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Jung J, Surh CD, Lee YJ. Microbial Colonization at Early Life Promotes the Development of Diet-Induced CD8αβ Intraepithelial T Cells. Mol Cells 2019; 42:313-320. [PMID: 30841027 PMCID: PMC6530640 DOI: 10.14348/molcells.2019.2431] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 12/16/2018] [Accepted: 12/20/2018] [Indexed: 02/07/2023] Open
Abstract
Intraepithelial lymphocytes (IELs) develop through the continuous interaction with intestinal antigens such as commensal microbiome and diet. However, their respective roles and mutual interactions in the development of IELs are largely unknown. Here, we showed that dietary antigens regulate the development of the majority of CD8αβ IELs in the small intestine and the absence of commensal microbiota particularly during the weaning period, delay the development of IELs. When we tested specific dietary components, such as wheat or combined corn, soybean and yeast, they were dependent on commensal bacteria for the timely development of diet-induced CD8αβ IELs. In addition, supplementation of intestinal antigens later in life was inefficient for the full induction of CD8αβ IELs. Overall, our findings suggest that early exposure to commensal bacteria is important for the proper development of dietary antigen-dependent immune repertoire in the gut.
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Affiliation(s)
- Jisun Jung
- Academy of Immunology and Microbiology, Institute for Basic Science (IBS), Pohang 37673,
Korea
- Division of Integrative Biosciences & Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang 37673,
Korea
| | - Charles D. Surh
- Academy of Immunology and Microbiology, Institute for Basic Science (IBS), Pohang 37673,
Korea
- Division of Integrative Biosciences & Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang 37673,
Korea
- Division of Developmental Immunology, La Jolla Institute for Allergy & Immunology, CA 92037,
USA
| | - You Jeong Lee
- Academy of Immunology and Microbiology, Institute for Basic Science (IBS), Pohang 37673,
Korea
- Division of Integrative Biosciences & Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang 37673,
Korea
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Wang Z, Vaughan TY, Zhu W, Chen Y, Fu G, Medrzycki M, Nishio H, Bunting ST, Hankey-Giblin PA, Nusrat A, Parkos CA, Wang D, Wen R, Bunting KD. Gab2 and Gab3 Redundantly Suppress Colitis by Modulating Macrophage and CD8 + T-Cell Activation. Front Immunol 2019; 10:486. [PMID: 30936879 PMCID: PMC6431666 DOI: 10.3389/fimmu.2019.00486] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 02/22/2019] [Indexed: 12/13/2022] Open
Abstract
Inflammatory Bowel Disease (IBD) is a multi-factorial chronic inflammation of the gastrointestinal tract prognostically linked to CD8+ T-cells, but little is known about their mechanism of activation during initiation of colitis. Here, Grb2-associated binding 2/3 adaptor protein double knockout mice (Gab2/3−/−) were generated. Gab2/3−/− mice, but not single knockout mice, developed spontaneous colitis. To analyze the cellular mechanism, reciprocal bone marrow (BM) transplantation demonstrated a Gab2/3−/− hematopoietic disease-initiating process. Adoptive transfer showed individual roles for macrophages and T-cells in promoting colitis development in vivo. In spontaneous disease, intestinal intraepithelial CD8+ but much fewer CD4+, T-cells from Gab2/3−/− mice with rectal prolapse were more proliferative. To analyze the molecular mechanism, reduced PI3-kinase/Akt/mTORC1 was observed in macrophages and T-cells, with interleukin (IL)-2 stimulated T-cells showing increased pSTAT5. These results illustrate the importance of Gab2/3 collectively in signaling responses required to control macrophage and CD8+ T-cell activation and suppress chronic colitis.
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Affiliation(s)
- Zhengqi Wang
- Division of Hem/Onc/BMT, Department of Pediatrics, Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Tamisha Y Vaughan
- Division of Hem/Onc/BMT, Department of Pediatrics, Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Wandi Zhu
- Division of Hem/Onc/BMT, Department of Pediatrics, Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Yuhong Chen
- BloodCenter of Wisconsin, Milwaukee, WI, United States
| | - Guoping Fu
- BloodCenter of Wisconsin, Milwaukee, WI, United States
| | - Magdalena Medrzycki
- Division of Hem/Onc/BMT, Department of Pediatrics, Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Hikaru Nishio
- Department of Pathology, Emory University, Atlanta, GA, United States
| | - Silvia T Bunting
- Department of Pathology, Children's Healthcare of Atlanta, Atlanta, GA, United States
| | - Pamela A Hankey-Giblin
- Department of Veterinary Science, Pennsylvania State University, University Park, PA, United States
| | - Asma Nusrat
- Department of Pathology, Emory University, Atlanta, GA, United States.,Department of Pathology, University of Michigan, Ann Arbor, MI, United States
| | - Charles A Parkos
- Department of Pathology, Emory University, Atlanta, GA, United States.,Department of Pathology, University of Michigan, Ann Arbor, MI, United States
| | - Demin Wang
- BloodCenter of Wisconsin, Milwaukee, WI, United States
| | - Renren Wen
- BloodCenter of Wisconsin, Milwaukee, WI, United States
| | - Kevin D Bunting
- Division of Hem/Onc/BMT, Department of Pediatrics, Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
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Zhen JH, Huang GR. Etiology and pathogenesis of ulcerative colitis from the perspective of modern medicine. Shijie Huaren Xiaohua Zazhi 2019; 27:245-251. [DOI: 10.11569/wcjd.v27.i4.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
According to the modern medical research on ulcerative colitis (UC), many factors, including environmental and psychological factors as well as hereditary susceptibility, participate in the pathogenesis of UC, which is a complex process involving chronic inflammation. Intestinal mucosal barrier damage and disorder of neuroendocrine immune network, such as dysfunction of biological barrier, immune barrier, and brain-gut peptide, play a critical role in this process. Meanwhile, we suggest that the microbiome-gut-brain axis is the key to elucidating the pathogenesis of UC.
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Affiliation(s)
- Jian-Hua Zhen
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Guang-Rui Huang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing 100029, China
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34
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Ermoza K, Glatigny S, Jah N, Camilo V, Mambu Mambueni H, Araujo LM, Chiocchia G, Breban M. Tolerogenic XCR1 + dendritic cell population is dysregulated in HLA-B27 transgenic rat model of spondyloarthritis. Arthritis Res Ther 2019; 21:46. [PMID: 30717755 PMCID: PMC6360689 DOI: 10.1186/s13075-019-1827-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 01/17/2019] [Indexed: 12/16/2022] Open
Abstract
Background Spondyloarthritis (SpA) is a chronic inflammatory disease affecting primarily axial and peripheral joints and sometimes also extra-articular organs, such as the gut. Rats transgenic for HLA-B27 and human β2-microglobulin (B27-Tg rat) develop clinical manifestations resembling human disease. In this model, it has been shown that CD103+ conventional dendritic cells (cDCs) exhibited altered functions, likely promoting SpA development. CD4− cDC subpopulation expressing XCR1, a chemokine receptor involved in their migration, have been described to be tolerogenic in steady state. Thus, in this study, we wished to examine the fate of XCR1+ cDCs in this animal model of SpA. Methods cDC populations were isolated from the spleen, mesenteric lymph nodes (MLN), and colonic lamina propria from B27-TG and control nontransgenic (NTG) and/or HLA-B7 transgenic rats after collagenase digestion and density gradient and characterized with flow cytometry or real-time PCR. Migration of cDCs from intestinal mucosa to MLN was assessed, using TLR-7 stimulation with Resiquimod. Results We observed a reduced frequency of cCD4− DCs in B27-Tg rats, as compared to control rats. Furthermore, such decrease was not due to excessive death of CD4− cDCs in B27-Tg rats. Interestingly, we observed a decrease frequency of the XCR1+ subpopulation among CD4− cDCs in the spleen, MLN, and lamina propria from B27-Tg rats. Finally, after TLR-7 stimulation, the migration of XCR1+ cDCs to MLN was proportionally reduced in B27-Tg rats. Conclusion Our results demonstrate for the first time a decreased proportion of the tolerogenic XCR1+ cDC subpopulation in SpA target organs in B27-Tg rat, which may affect the maintenance of self-tolerance and control of inflammation. Electronic supplementary material The online version of this article (10.1186/s13075-019-1827-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Kétia Ermoza
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Simon Glatigny
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Nadège Jah
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Vânia Camilo
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Hendrick Mambu Mambueni
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Luiza M Araujo
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France
| | - Gilles Chiocchia
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France.,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France.,Haematology-Immunology Division, Ambroise Paré Hospital (AP-HP), 9 avenue Charles de Gaulle, 92100, Boulogne-Billancourt, France
| | - Maxime Breban
- INSERM U1173, UFR Simone Veil, Versailles-Saint-Quentin University, 2 avenue de la source de la Bièvre, 78190, Montigny le Bretonneux, France. .,INFLAMEX, Laboratoire d'Excellence, Université Paris Diderot, Sorbonne Paris Cité, France. .,Rheumatology Division, Ambroise Paré Hospital (AP-HP), 9 avenue Charles de Gaulle, 92100, Boulogne-Billancourt, France.
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