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Ligotti ME, Accardi G, Aiello A, Aprile S, Calabrò A, Caldarella R, Caruso C, Ciaccio M, Corsale AM, Dieli F, Di Simone M, Giammanco GM, Mascarella C, Akbar AN, Meraviglia S, Candore G. Sicilian semi- and supercentenarians: identification of age-related T-cell immunophenotype to define longevity trait. Clin Exp Immunol 2023; 214:61-78. [PMID: 37395602 PMCID: PMC10711357 DOI: 10.1093/cei/uxad074] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/12/2023] [Accepted: 06/30/2023] [Indexed: 07/04/2023] Open
Abstract
The immunophenotype of oldest centenarians, i.e. semi- and supercentenarians, could provide important information about their ability to adapt to factors associated with immune changes, including ageing per se and chronic Cytomegalovirus infection. We investigated, by flow cytometry, variations in percentages and absolute numbers of immune cell subsets, focusing on T cells, and pro-inflammatory parameters in a cohort of 28 women and 26 men (age range 19-110 years). We observed variability in hallmarks of immunosenescence related to age and Cytomegalovirus serological status. The eight oldest centenarians showed the lowest percentages of naïve T cells, due to their age, and the highest percentages of T-effector memory cells re-expressing CD45RA (TEMRA), according to their cytomegalovirus status, and high levels of serum pro-inflammatory parameters, although their means were lower than that of remaining 90+ donors. Some of them showed CD8 naïve and TEMRA percentages, and exhaustion/pro-inflammatory markers comparable to the younger ones. Our study supports the suggestion that immune ageing, especially of oldest centenarians, exhibits great variability that is not only attributable to a single contributor but should also be the full result of a combination of several factors. Everyone ages differently because he/she is unique in genetics and experience of life and this applies even more to the immune system; everybody has had a different immunological history. Furthermore, our findings on inflammatory markers, TEMRA and CMV seropositivity in centenarians, discussed in the light of the most recent literature, suggest that these changes might be not unfavourable for centenarians, and in particular for the oldest ones.
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Affiliation(s)
- Mattia Emanuela Ligotti
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Giulia Accardi
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Anna Aiello
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Stefano Aprile
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Unit of Transfusion Medicine, San Giovanni di Dio Hospital, Agrigento, Italy
| | - Anna Calabrò
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Rosalia Caldarella
- Department of Laboratory Medicine, University Hospital “P. Giaccone”, Palermo, Italy
| | - Calogero Caruso
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Marcello Ciaccio
- Department of Laboratory Medicine, University Hospital “P. Giaccone”, Palermo, Italy
- Section of Clinical Biochemistry, Clinical Molecular Medicine and Clinical Laboratory Medicine Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Anna Maria Corsale
- Central Laboratory of Advanced Diagnosis and Biomedical Research, University Hospital “P. Giaccone”, Palermo, Italy
- Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Palermo, Italy
| | - Francesco Dieli
- Central Laboratory of Advanced Diagnosis and Biomedical Research, University Hospital “P. Giaccone”, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Marta Di Simone
- Central Laboratory of Advanced Diagnosis and Biomedical Research, University Hospital “P. Giaccone”, Palermo, Italy
- Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Palermo, Italy
| | - Giovanni Maurizio Giammanco
- Section of Microbiology, Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Palermo, Italy
| | - Chiara Mascarella
- Section of Microbiology, Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties “G. D’Alessandro”, University of Palermo, Palermo, Italy
| | - Arne N Akbar
- Division of Medicine, Experimental and Therapeutic Medicine, University College London, London, UK
| | - Serena Meraviglia
- Central Laboratory of Advanced Diagnosis and Biomedical Research, University Hospital “P. Giaccone”, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Giuseppina Candore
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
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Ajayi T, Rai P, Shi M, Gabor KA, Karmaus PWF, Meacham JM, Katen K, Madenspacher JH, Schurman SH, Fessler MB. Race-specific association of an IRGM risk allele with cytokine expression in human subjects. Sci Rep 2023; 13:12911. [PMID: 37558924 PMCID: PMC10412543 DOI: 10.1038/s41598-023-40313-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/08/2023] [Indexed: 08/11/2023] Open
Abstract
Immunity-related GTPase family M (IRGM), located on human chromosome 5q33.1, encodes a protein that promotes autophagy and suppresses the innate immune response. The minor allele of rs13361189 (-4299T>C), a single nucleotide polymorphism in the IRGM promoter, has been associated with several diseases, including Crohn's disease and tuberculosis. Although patterns of linkage disequilibrium and minor allele frequency for this polymorphism differ dramatically between subjects of European and African descent, studies of rs13361189 have predominantly been conducted in Europeans and the mechanism of association is poorly understood. We recruited a cohort of 68 individuals (30 White, 34 African American, 4 other race) with varying rs13361189 genotypes and assessed a panel of immune response measures including whole blood cytokine induction following ex vivo stimulation with Toll-like Receptor ligands. Minor allele carriers were found to have increased serum immunoglobulin M, C-reactive protein, and circulating CD8+ T cells. No differences in whole blood cytokines were observed between minor allele carriers and non-carriers in the overall study population; however, minor allele status was associated with increased induction of a subset of cytokines among African American subjects, and decreased induction among White subjects. These findings underline the importance of broad racial inclusion in genetic studies of immunity.
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Affiliation(s)
- Teminioluwa Ajayi
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Prashant Rai
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Min Shi
- Biostatistics & Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Kristin A Gabor
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Peer W F Karmaus
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Julie M Meacham
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Kevin Katen
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Jennifer H Madenspacher
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Shepherd H Schurman
- Clinical Research Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
- Clinical Research Unit, National Institute on Aging, Baltimore, MD, 21225, USA
| | - Michael B Fessler
- Immunity, Inflammation and Disease Laboratory, National Institute of Environmental Health Sciences, 111 T.W. Alexander Drive, MD D2-01, P.O. Box 12233, Research Triangle Park, NC, 27709, USA.
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Caruso C, Ligotti ME, Accardi G, Aiello A, Candore G. An immunologist's guide to immunosenescence and its treatment. Expert Rev Clin Immunol 2022; 18:961-981. [PMID: 35876758 DOI: 10.1080/1744666x.2022.2106217] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION : The ageing process causes several changes in the immune system, although immune ageing is strongly influenced by individual immunological history, as well as genetic and environmental factors leading to inter-individual variability. AREAS COVERED : Here, we focused on the biological and clinical meaning of immunosenescence. Data on SARS-CoV-2 and Yellow Fever vaccine have demonstrated the clinical relevance of immunosenescence, while inconsistent results, obtained from longitudinal studies aimed at looking for immune risk phenotypes, have revealed that the immunosenescence process is highly context-dependent. Large projects have allowed the delineation of the drivers of immune system variance, including genetic and environmental factors, sex, smoking, and co-habitation. Therefore, it is difficult to identify the interventions that can be envisaged to maintain or improve immune function in older people. That suggests that drug treatment of immunosenescence should require personalized intervention. Regarding this, we discussed the role of changes in lifestyle as a potential therapeutic approach. EXPERT OPINION : Our review points out that age is only part of the problem of immunosenescence. Everyone ages differently because he/she is unique in genetics and experience of life and this applies even more to the immune system (immunobiography). Finally, the present review shows how appreciable results in the modification of immunosenescence biomarkers can be achieved with lifestyle modification.
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Affiliation(s)
- Calogero Caruso
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Mattia Emanuela Ligotti
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Giulia Accardi
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Anna Aiello
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
| | - Giuseppina Candore
- Laboratorio di Immunopatologia e Immunosenescenza, Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Palermo, Italy
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Abstract
Genetic variation contributes to immune cell function. An unprecedented analysis of genetic associations with immune cell traits provides insights into the complex regulation of immune cells, reveals variants that coincidently influence immune traits and autoimmune disease risk, and offers specific therapeutic targets for these diseases.
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Affiliation(s)
- Paula S Ramos
- Departments of Medicine and Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA.
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Abstract
Over the last several years, next-generation sequencing and its recent push toward single-cell resolution have transformed the landscape of immunology research by revealing novel complexities about all components of the immune system. With the vast amounts of diverse data currently being generated, and with the methods of analyzing and combining diverse data improving as well, integrative systems approaches are becoming more powerful. Previous integrative approaches have combined multiple data types and revealed ways that the immune system, both as a whole and as individual parts, is affected by genetics, the microbiome, and other factors. In this review, we explore the data types that are available for studying immunology with an integrative systems approach, as well as the current strategies and challenges for conducting such analyses.
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Affiliation(s)
- Silvia Pineda
- Bakar Computational Health Sciences Institute, University of California, San Francisco, California 94158, USA
- Genetic and Molecular Epidemiology Group, Spanish National Cancer Research Centre, 28029 Madrid, Spain
| | - Daniel G. Bunis
- Bakar Computational Health Sciences Institute, University of California, San Francisco, California 94158, USA
| | - Idit Kosti
- Bakar Computational Health Sciences Institute, University of California, San Francisco, California 94158, USA
- Department of Pediatrics, University of California, San Francisco, California 94143, USA
| | - Marina Sirota
- Bakar Computational Health Sciences Institute, University of California, San Francisco, California 94158, USA
- Department of Pediatrics, University of California, San Francisco, California 94143, USA
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6
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Patro ARK. Subversion of Immune Response by Human Cytomegalovirus. Front Immunol 2019; 10:1155. [PMID: 31244824 PMCID: PMC6575140 DOI: 10.3389/fimmu.2019.01155] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 05/07/2019] [Indexed: 12/14/2022] Open
Abstract
Human cytomegalovirus (HCMV) is the most common cause of congenital infections and is an important pathogen in immunocompromised individuals. Despite a robust host immune system, HCMV able to replicate, evade host defenses, establish latency for life. A significant portion of HCMV genome dedicated to encode gene products for modulation of host immune response. Growing number of HCMV gene products are being recognized to play role in immune evasion. Information on viral immune evasion mechanisms by which HCMV persists in host will be useful in devising antiviral intervention strategies and development of new vaccines. This minireview provides a brief overview of immune evasion strategy adapted by HCMV by utilizing its gene products in modulation of host immune response.
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Affiliation(s)
- A Raj Kumar Patro
- Infectious Disease Biology Group, Institute of Life Sciences (ILS), Bhubaneswar, India
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Pineda S, Sigdel TK, Liberto JM, Vincenti F, Sirota M, Sarwal MM. Characterizing pre-transplant and post-transplant kidney rejection risk by B cell immune repertoire sequencing. Nat Commun 2019; 10:1906. [PMID: 31015506 PMCID: PMC6479061 DOI: 10.1038/s41467-019-09930-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Accepted: 04/02/2019] [Indexed: 01/25/2023] Open
Abstract
Studying immune repertoire in the context of organ transplant provides important information on how adaptive immunity may contribute and modulate graft rejection. Here we characterize the peripheral blood immune repertoire of individuals before and after kidney transplant using B cell receptor sequencing in a longitudinal clinical study. Individuals who develop rejection after transplantation have a more diverse immune repertoire before transplant, suggesting a predisposition for post-transplant rejection risk. Additionally, over 2 years of follow-up, patients who develop rejection demonstrate a specific set of expanded clones that persist after the rejection. While there is an overall reduction of peripheral B cell diversity, likely due to increased general immunosuppression exposure in this cohort, the detection of specific IGHV gene usage across all rejecting patients supports that a common pool of immunogenic antigens may drive post-transplant rejection. Our findings may have clinical implications for the prediction and clinical management of kidney transplant rejection.
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MESH Headings
- Adolescent
- Adult
- B-Lymphocytes/immunology
- B-Lymphocytes/pathology
- Child
- Child, Preschool
- Clone Cells
- Female
- Gene Expression
- Graft Rejection/genetics
- Graft Rejection/immunology
- Graft Rejection/pathology
- Graft Survival/genetics
- Humans
- Immunocompromised Host
- Infant
- Kidney/immunology
- Kidney/pathology
- Kidney/surgery
- Kidney Transplantation
- Longitudinal Studies
- Male
- Middle Aged
- Polymorphism, Genetic/immunology
- Receptors, Antigen, B-Cell/genetics
- Receptors, Antigen, B-Cell/immunology
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/immunology
- Renal Insufficiency, Chronic/pathology
- Renal Insufficiency, Chronic/surgery
- Sequence Analysis, DNA
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Affiliation(s)
- Silvia Pineda
- Bakar Computational Health Sciences Institute, University of California, San Francisco (UCSF), 550 16th Street, San Francisco, CA, 94158, USA.
- Division of Transplant Surgery, Department of Surgery, University of California, San Francisco (UCSF), 505 Parnassus Ave, San Francisco, CA, 94143, USA.
| | - Tara K Sigdel
- Division of Transplant Surgery, Department of Surgery, University of California, San Francisco (UCSF), 505 Parnassus Ave, San Francisco, CA, 94143, USA
| | - Juliane M Liberto
- Division of Transplant Surgery, Department of Surgery, University of California, San Francisco (UCSF), 505 Parnassus Ave, San Francisco, CA, 94143, USA
| | - Flavio Vincenti
- Division of Transplant Surgery, Department of Surgery, University of California, San Francisco (UCSF), 505 Parnassus Ave, San Francisco, CA, 94143, USA
| | - Marina Sirota
- Bakar Computational Health Sciences Institute, University of California, San Francisco (UCSF), 550 16th Street, San Francisco, CA, 94158, USA.
- Department of Pediatrics, University of California, San Francisco (UCSF), 550 16th Street, San Francisco, CA, 94158, USA.
| | - Minnie M Sarwal
- Division of Transplant Surgery, Department of Surgery, University of California, San Francisco (UCSF), 505 Parnassus Ave, San Francisco, CA, 94143, USA.
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Lagou V, Garcia-Perez JE, Smets I, Van Horebeek L, Vandebergh M, Chen L, Mallants K, Prezzemolo T, Hilven K, Humblet-Baron S, Moisse M, Van Damme P, Boeckxstaens G, Bowness P, Dubois B, Dooley J, Liston A, Goris A. Genetic Architecture of Adaptive Immune System Identifies Key Immune Regulators. Cell Rep 2018; 25:798-810.e6. [PMID: 30332657 PMCID: PMC6205839 DOI: 10.1016/j.celrep.2018.09.048] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/16/2018] [Accepted: 09/12/2018] [Indexed: 12/14/2022] Open
Abstract
The immune system is highly diverse, but characterization of its genetic architecture has lagged behind the vast progress made by genome-wide association studies (GWASs) of emergent diseases. Our GWAS for 54 functionally relevant phenotypes of the adaptive immune system in 489 healthy individuals identifies eight genome-wide significant associations explaining 6%-20% of variance. Coding and splicing variants in PTPRC and COMMD10 are involved in memory T cell differentiation. Genetic variation controlling disease-relevant T helper cell subsets includes RICTOR and STON2 associated with Th2 and Th17, respectively, and the interferon-lambda locus controlling regulatory T cell proliferation. Early and memory B cell differentiation stages are associated with variation in LARP1B and SP4. Finally, the latrophilin family member ADGRL2 correlates with baseline pro-inflammatory interleukin-6 levels. Suggestive associations reveal mechanisms of autoimmune disease associations, in particular related to pro-inflammatory cytokine production. Pinpointing these key human immune regulators offers attractive therapeutic perspectives.
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Affiliation(s)
- Vasiliki Lagou
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Josselyn E Garcia-Perez
- VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Ide Smets
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium; Department of Neurology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Lies Van Horebeek
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Marijne Vandebergh
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Liye Chen
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, UK
| | - Klara Mallants
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Teresa Prezzemolo
- VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Kelly Hilven
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Stephanie Humblet-Baron
- VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Matthieu Moisse
- Leuven Brain Institute (LBI), Leuven, Belgium; VIB Center for Brain & Disease Research, Laboratory of Neurobiology, 3000 Leuven, Belgium; KU Leuven Department of Neurosciences, Experimental Neurology, 3000 Leuven, Belgium
| | - Philip Van Damme
- Leuven Brain Institute (LBI), Leuven, Belgium; Department of Neurology, University Hospitals Leuven, 3000 Leuven, Belgium; VIB Center for Brain & Disease Research, Laboratory of Neurobiology, 3000 Leuven, Belgium; KU Leuven Department of Neurosciences, Experimental Neurology, 3000 Leuven, Belgium
| | - Guy Boeckxstaens
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for GI Disorders (TARGID), 3000 Leuven, Belgium; Department of Gastroenterology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Paul Bowness
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, UK
| | - Bénédicte Dubois
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium; Department of Neurology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - James Dooley
- VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium
| | - Adrian Liston
- VIB Center for Brain & Disease Research, Laboratory for Translational Immunology, 3000 Leuven, Belgium; KU Leuven Department of Immunology and Microbiology, Laboratory for Translational Immunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium.
| | - An Goris
- KU Leuven Department of Neurosciences, Laboratory for Neuroimmunology, 3000 Leuven, Belgium; Leuven Brain Institute (LBI), Leuven, Belgium.
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