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Huang D, Jiao X, Huang S, Liu J, Si H, Qi D, Pei X, Lu D, Wang Y, Li Z. Analysis of the heterogeneity and complexity of murine extraorbital lacrimal gland via single-cell RNA sequencing. Ocul Surf 2024; 34:60-95. [PMID: 38945476 DOI: 10.1016/j.jtos.2024.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/02/2024]
Abstract
PURPOSE The lacrimal gland is essential for maintaining ocular surface health and avoiding external damage by secreting an aqueous layer of the tear film. However, a healthy lacrimal gland's inventory of cell types and heterogeneity remains understudied. METHODS Here, 10X Genome-based single-cell RNA sequencing was used to generate an unbiased classification of cellular diversity in the extraorbital lacrimal gland (ELG) of C57BL/6J mice. From 43,850 high-quality cells, we produced an atlas of cell heterogeneity and defined cell types using classic marker genes. The possible functions of these cells were analyzed through bioinformatics analysis. Additionally, the CellChat was employed for a preliminary analysis of the cell-cell communication network in the ELG. RESULTS Over 37 subclasses of cells were identified, including seven types of glandular epithelial cells, three types of fibroblasts, ten types of myeloid-derived immune cells, at least eleven types of lymphoid-derived immune cells, and five types of vascular-associated cell subsets. The cell-cell communication network analysis revealed that fibroblasts and immune cells play a pivotal role in the dense intercellular communication network within the mouse ELG. CONCLUSIONS This study provides a comprehensive transcriptome atlas and related database of the mouse ELG.
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Affiliation(s)
- Duliurui Huang
- Department of Ophthalmology, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Xinwei Jiao
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China
| | - Shenzhen Huang
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China
| | - Jiangman Liu
- Department of Ophthalmology, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Hongli Si
- Department of Ophthalmology, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, Henan, China
| | - Di Qi
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China
| | - Xiaoting Pei
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China
| | - Dingli Lu
- Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China
| | - Yimian Wang
- Division of Medicine, Faculty of Medical Sciences, University College London, Gower Street, London, WC1E 6BT, UK
| | - Zhijie Li
- Department of Ophthalmology, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Zhengzhou, Henan, China; Henan Eye Institute, Henan Eye Hospital and Henan Key Laboratory of Ophthalmology and Visual Science, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, 450000, China.
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2
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Liao J, Yu X, Huang Z, He Q, Yang J, Zhang Y, Chen J, Song W, Luo J, Tao Q. Chemokines and lymphocyte homing in Sjögren's syndrome. Front Immunol 2024; 15:1345381. [PMID: 38736890 PMCID: PMC11082322 DOI: 10.3389/fimmu.2024.1345381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 04/15/2024] [Indexed: 05/14/2024] Open
Abstract
Sjögren's syndrome (SS) is a chronic systemic autoimmune disease that typically presents with lymphocyte, dendritic cell, and macrophage infiltration of exocrine gland ducts and the formation of ectopic germinal centers. The interactions of lymphocyte homing receptors and addressins and chemokines and their receptors, such as α4β7/MAdCAM-1, LFA-1/ICAM-1, CXCL13/CXCR5, CCL25/CCR9, CX3CL1/CX3CR1, play important roles in the migration of inflammatory cells to the focal glands and the promotion of ectopic germinal center formation in SS. A variety of molecules have been shown to be involved in lymphocyte homing, including tumor necrosis factor-α, interferon (IFN)-α, IFN-β, and B cell activating factor. This process mainly involves the Janus kinase-signal transducer and activator of transcription signaling pathway, lymphotoxin-β receptor pathway, and nuclear factor-κB signaling pathway. These findings have led to the development of antibodies to cell adhesion molecules, antagonists of chemokines and their receptors, compounds interfering with chemokine receptor signaling, and gene therapies targeting chemokines and their receptors, providing new targets for the treatment of SS in humans. The aim of this study was to explore the relationship between lymphocyte homing and the pathogenesis of SS, and to provide a review of recent studies addressing lymphocyte homing in targeted therapy for SS.
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Affiliation(s)
- Jiahe Liao
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Xinbo Yu
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Ziwei Huang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Qian He
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Jianying Yang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Yan Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Jiaqi Chen
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
| | - Weijiang Song
- Traditional Chinese Medicine Department, Peking University Third Hospital, Beijing, China
| | - Jing Luo
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
- Beijing Key Laboratory of Immune Inflammatory Disease, China-Japan Friendship Hospital, Beijing, China
| | - Qingwen Tao
- Traditional Chinese Medicine Department of Rheumatism, China-Japan Friendship Hospital, Beijing, China
- Beijing Key Laboratory of Immune Inflammatory Disease, China-Japan Friendship Hospital, Beijing, China
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3
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Ushio A, Matsuda-Lennikov M, Kalle-Youngoue F, Shimizu A, Abdelmaksoud A, Kelly MC, Ishimaru N, Takahama Y. Functionally diverse thymic medullary epithelial cells interplay to direct central tolerance. Cell Rep 2024; 43:114072. [PMID: 38581680 PMCID: PMC11079940 DOI: 10.1016/j.celrep.2024.114072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 02/24/2024] [Accepted: 03/21/2024] [Indexed: 04/08/2024] Open
Abstract
Medullary thymic epithelial cells (mTECs) are essential for the establishment of self-tolerance in T cells. Promiscuous gene expression by a subpopulation of mTECs regulated by the nuclear protein Aire contributes to the display of self-genomic products to newly generated T cells. Recent reports have highlighted additional self-antigen-displaying mTEC subpopulations, namely Fezf2-expressing mTECs and a mosaic of self-mimetic mTECs including thymic tuft cells. In addition, a functionally different subset of mTECs produces chemokine CCL21, which attracts developing thymocytes to the medullary region. Here, we report that CCL21+ mTECs and Aire+ mTECs non-redundantly cooperate to direct self-tolerance to prevent autoimmune pathology by optimizing the deletion of self-reactive T cells and the generation of regulatory T cells. We also detect cooperation for self-tolerance between Aire and Fezf2, the latter of which unexpectedly regulates thymic tuft cells. Our results indicate an indispensable interplay among functionally diverse mTECs for the establishment of central self-tolerance.
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Affiliation(s)
- Aya Ushio
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; Department of Oral Molecular Pathology, Graduate School of Biomedical Sciences, Tokushima University, Kuramoto, Tokushima 770-8504, Japan
| | - Mami Matsuda-Lennikov
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Felix Kalle-Youngoue
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA; Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21701, USA
| | - Akihide Shimizu
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Abdalla Abdelmaksoud
- Center for Cancer Research Collaborative Bioinformatics Resource, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Michael C Kelly
- Single Cell Analysis Facility, Cancer Research Technology Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Naozumi Ishimaru
- Department of Oral Molecular Pathology, Graduate School of Biomedical Sciences, Tokushima University, Kuramoto, Tokushima 770-8504, Japan
| | - Yousuke Takahama
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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Zhou X, Xu D, Li M, Zeng X. New investigational drugs to treat Sjogren's syndrome: lessons learnt from immunology. Expert Opin Investig Drugs 2024; 33:105-114. [PMID: 38293750 DOI: 10.1080/13543784.2024.2312216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 01/26/2024] [Indexed: 02/01/2024]
Abstract
INTRODUCTION Sjögren's syndrome is a heterogeneous autoimmune condition that impairs quality of life because of dryness, fatigue, pain, and systemic involvements. Current treatment largely depends on empirical evidence, with no effective therapy approved. Clinical trials on targeted drugs often fail to report efficacy due to common factors. AREAS COVERED This review summarizes the pathogenesis and what caused the failure of new investigational drugs in clinical trials, highlighting solutions for more effective investigations, with greater consistency between research outcomes, clinical use, and patient needs. EXPERT OPINION Unlinked pathobiology with symptoms resulted in misidentified targets and disappointing trials. Useful stratification tools are necessary for the heterogeneous SS patients. Composite endpoints or improvements in ESSDAI scores are needed, considering the high placebo response, and the unbalance between symptom burden and disease activity. Compared to classic biologics, targeted cell therapy will be a more promising field of investigation in the coming years.
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Affiliation(s)
- Xingyu Zhou
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Dong Xu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Mengtao Li
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
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M. S. Barron A, Fabre T, De S. Distinct fibroblast functions associated with fibrotic and immune-mediated inflammatory diseases and their implications for therapeutic development. F1000Res 2024; 13:54. [PMID: 38681509 PMCID: PMC11053351 DOI: 10.12688/f1000research.143472.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/28/2023] [Indexed: 05/01/2024] Open
Abstract
Fibroblasts are ubiquitous cells that can adopt many functional states. As tissue-resident sentinels, they respond to acute damage signals and shape the earliest events in fibrotic and immune-mediated inflammatory diseases. Upon sensing an insult, fibroblasts produce chemokines and growth factors to organize and support the response. Depending on the size and composition of the resulting infiltrate, these activated fibroblasts may also begin to contract or relax thus changing local stiffness within the tissue. These early events likely contribute to the divergent clinical manifestations of fibrotic and immune-mediated inflammatory diseases. Further, distinct changes to the cellular composition and signaling dialogue in these diseases drive progressive fibroblasts specialization. In fibrotic diseases, fibroblasts support the survival, activation and differentiation of myeloid cells, granulocytes and innate lymphocytes, and produce most of the pathogenic extracellular matrix proteins. Whereas, in immune-mediated inflammatory diseases, sequential accumulation of dendritic cells, T cells and B cells programs fibroblasts to support local, destructive adaptive immune responses. Fibroblast specialization has clear implications for the development of effective induction and maintenance therapies for patients with these clinically distinct diseases.
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Affiliation(s)
- Alexander M. S. Barron
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Thomas Fabre
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Saurav De
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
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6
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Dong Y, Wang T, Wu H. Tertiary lymphoid structures in autoimmune diseases. Front Immunol 2024; 14:1322035. [PMID: 38259436 PMCID: PMC10800951 DOI: 10.3389/fimmu.2023.1322035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
Tertiary lymphoid structures (TLSs) are organized lymphoid-like aggregations in non-lymphoid tissues. Tissues with chronic and persistent inflammation infiltration may drive and form ectopic germinal center-like structures, which are very common in autoimmune diseases, chronic infections, and tumor microenvironments. However, the mechanisms governing the formation of TLSs are still being explored. At present, it is not clear whether the formation of TLSs is associated with local uncontrolled immune inflammatory responses. While TLSs suggest a good prognosis in tumors, the opposite is true in autoimmune diseases. This review article will discuss the current views on initiating and maintaining TLSs and the potential therapeutic target in autoimmune diseases.
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Affiliation(s)
- Yuanji Dong
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ting Wang
- Department of Respiratory Disease, Thoracic Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Huaxiang Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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7
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Emami Nejad A, Mostafavi Zadeh SM, Nickho H, Sadoogh Abbasian A, Forouzan A, Ahmadlou M, Nedaeinia R, Shaverdi S, Manian M. The role of microRNAs involved in the disorder of blood-brain barrier in the pathogenesis of multiple sclerosis. Front Immunol 2023; 14:1281567. [PMID: 38193092 PMCID: PMC10773759 DOI: 10.3389/fimmu.2023.1281567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/30/2023] [Indexed: 01/10/2024] Open
Abstract
miRNAs are involved in various vital processes, including cell growth, development, apoptosis, cellular differentiation, and pathological cellular activities. Circulating miRNAs can be detected in various body fluids including serum, plasma, saliva, and urine. It is worth mentioning that miRNAs remain stable in the circulation in biological fluids and are released from membrane-bound vesicles called exosomes, which protect them from RNase activity. It has been shown that miRNAs regulate blood-brain barrier integrity by targeting both tight junction and adherens junction molecules and can also influence the expression of inflammatory cytokines. Some recent studies have examined the impact of certain commonly used drugs in Multiple Sclerosis on miRNA levels. In this review, we will focus on the recent findings on the role of miRNAs in multiple sclerosis, including their role in the cause of MS and molecular mechanisms of the disease, utilizing miRNAs as diagnostic and clinical biomarkers, using miRNAs as a therapeutic modality or target for Multiple Sclerosis and drug responses in patients, elucidating their importance as prognosticators of disease progression, and highlighting their potential as a future treatment for MS.
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Affiliation(s)
| | - Seyed Mostafa Mostafavi Zadeh
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Nickho
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Sadoogh Abbasian
- Department of Internal Medicine, School of Medicine, Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Azim Forouzan
- Department of Internal Medicine, School of Medicine, Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Mojtaba Ahmadlou
- Department of Biostatistics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Reza Nedaeinia
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saham Shaverdi
- Department of Biology, Payame Noor University (PNU), Tehran, Iran
| | - Mostafa Manian
- Department of Medical Laboratory Science, Faculty of Medicine, Islamic Azad University, Kermanshah, Iran
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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8
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Li CR. Role of lymphotoxin alpha as a new molecular biomarker in revolutionizing tear diagnostic testing for dry eye disease. Int J Ophthalmol 2023; 16:1883-1889. [PMID: 38028523 PMCID: PMC10626360 DOI: 10.18240/ijo.2023.11.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 08/24/2023] [Indexed: 12/01/2023] Open
Abstract
Dry eye disease (DED), primarily classified as multifactorial ocular surface disorder, afflicts tens of millions of individuals worldwide, adversely impacting their quality of life. Extensive research has been conducted on tear film analysis over the past decades, offering a range of tests to evaluate its volume, health, and integrity. Yet, early diagnosis and effective treatment for DED continue to pose significant challenges in clinical settings. Nevertheless, by recognizing key phenomena in DED such as ocular surface inflammation, hyperosmolarity, and tear film instability, this article provides a comprehensive overview of both traditional and recently developed methods for diagnosing and monitoring DED. The information serves as a valuable resource not only for clinical diagnosis but also for further research into DED.
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Affiliation(s)
- Chao-Ran Li
- Tianjin Medical University Eye Hospital, Tianjin 310011, China
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9
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Ohno Y, Satoh K, Kashimata M. Review of genes potentially related to hyposecretion in male non-obese diabetic (NOD) mice, a Sjögren's syndrome model. J Oral Biosci 2023; 65:211-217. [PMID: 37209839 DOI: 10.1016/j.job.2023.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 05/01/2023] [Accepted: 05/12/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Sjögren's syndrome (SS) is known to cause dry eyes and mouth due to inflammation of the lacrimal and salivary glands. However, some reports imply that other factors trigger dry eyes and mouth. We previously investigated various factors using RNA-sequencing analysis of lacrimal glands from male non-obese diabetic (NOD) mice, an SS model. In this review, we described (1) the exocrine features of male and female NOD mice, (2) the up- and down-regulated genes in the lacrimal glands of male NOD mice as revealed by our RNA-sequencing data, and (3) comparisons between these genes and data in the Salivary Gland Gene Expression Atlas. HIGHLIGHTS Male NOD mice exhibit a steady worsening of lacrimal hyposecretion and dacryoadenitis, whereas females exhibit a complex pathophysiological condition that includes diabetic disease, salivary hyposecretion, and sialadenitis. Ctss, an up-regulated gene, is a potential inducer of lacrimal hyposecretion and is also expressed in salivary glands. Two other up-regulated genes, Ccl5 and Cxcl13, may worsen the inflammation of SS in both the lacrimal and salivary glands. The genes Esp23, Obp1a, and Spc25 were detected as down-regulated, but judging the relationship between these genes and hyposecretion is difficult as only limited information is available. Another down-regulated gene, Arg1, is involved in lacrimal hyposecretion, and it also has the potential to cause salivary hyposecretion in NOD mice. CONCLUSION In NOD mice, males may be better than females at evaluating the pathophysiology of SS. Some regulated genes revealed by our RNA-sequencing data might be potential therapeutic targets for SS.
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Affiliation(s)
- Yuta Ohno
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu 501-0296, Japan.
| | - Keitaro Satoh
- Department of Pharmacology, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan.
| | - Masanori Kashimata
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu 501-0296, Japan.
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10
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Galletti JG, Scholand KK, Trujillo-Vargas CM, Yu Z, Mauduit O, Delcroix V, Makarenkova HP, de Paiva CS. Ectopic lymphoid structures in the aged lacrimal glands. Clin Immunol 2023; 248:109251. [PMID: 36740002 PMCID: PMC10323865 DOI: 10.1016/j.clim.2023.109251] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/22/2023] [Accepted: 01/24/2023] [Indexed: 02/05/2023]
Abstract
Aging is a complex biological process in which many organs are pathologically affected. We previously reported that aged C57BL/6J had increased lacrimal gland (LG) lymphoid infiltrates that suggest ectopic lymphoid structures. However, these ectopic lymphoid structures have not been fully investigated. Using C57BL/6J mice of different ages, we analyzed the transcriptome of aged murine LGs and characterized the B and T cell populations. Age-related changes in the LG include increased differentially expressed genes associated with B and T cell activation, germinal center formation, and infiltration by marginal zone-like B cells. We also identified an age-related increase in B1+ cells and CD19+B220+ cells. B220+CD19+ cells were GL7+ (germinal center-like) and marginal zone-like and progressively increased with age. There was an upregulation of transcripts related to T follicular helper cells, and the number of these cells also increased as mice aged. Compared to a mouse model of Sjögren syndrome, aged LGs have similar transcriptome responses but also unique ones. And lastly, the ectopic lymphoid structures in aged LGs are not exclusive to a specific mouse background as aged diverse outbred mice also have immune infiltration. Altogether, this study identifies a profound change in the immune landscape of aged LGs where B cells become predominant. Further studies are necessary to investigate the specific function of these B cells during the aged LGs.
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Affiliation(s)
- Jeremias G Galletti
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA; Institute of Experimental Medicine (CONICET), National Academy of Medicine of Buenos Aires, Buenos Aires, Argentina
| | - Kaitlin K Scholand
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA; Biochemistry and Cell Biology Graduate Program, Department of BioSciences, Rice University, Houston, TX, USA.
| | - Claudia M Trujillo-Vargas
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA; Grupo de Inmunodeficiencias Primarias, Facultad de Medicina, Universidad de Antioquia, UdeA, Medellín, Colombia.
| | - Zhiyuan Yu
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA.
| | - Olivier Mauduit
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Vanessa Delcroix
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Helen P Makarenkova
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA.
| | - Cintia S de Paiva
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX, USA.
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11
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Ghobadinezhad F, Ebrahimi N, Mozaffari F, Moradi N, Beiranvand S, Pournazari M, Rezaei-Tazangi F, Khorram R, Afshinpour M, Robino RA, Aref AR, Ferreira LMR. The emerging role of regulatory cell-based therapy in autoimmune disease. Front Immunol 2022; 13:1075813. [PMID: 36591309 PMCID: PMC9795194 DOI: 10.3389/fimmu.2022.1075813] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Autoimmune disease, caused by unwanted immune responses to self-antigens, affects millions of people each year and poses a great social and economic burden to individuals and communities. In the course of autoimmune disorders, including rheumatoid arthritis, systemic lupus erythematosus, type 1 diabetes mellitus, and multiple sclerosis, disturbances in the balance between the immune response against harmful agents and tolerance towards self-antigens lead to an immune response against self-tissues. In recent years, various regulatory immune cells have been identified. Disruptions in the quality, quantity, and function of these cells have been implicated in autoimmune disease development. Therefore, targeting or engineering these cells is a promising therapeutic for different autoimmune diseases. Regulatory T cells, regulatory B cells, regulatory dendritic cells, myeloid suppressor cells, and some subsets of innate lymphoid cells are arising as important players among this class of cells. Here, we review the roles of each suppressive cell type in the immune system during homeostasis and in the development of autoimmunity. Moreover, we discuss the current and future therapeutic potential of each one of these cell types for autoimmune diseases.
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Affiliation(s)
- Farbod Ghobadinezhad
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran,Universal Scientific Education and Research Network (USERN) Office, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nasim Ebrahimi
- Division of Genetics, Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Fatemeh Mozaffari
- Department of Nutrition, School of Medicine, Zabol University of Medical Sciences, Zabol, Iran
| | - Neda Moradi
- Division of Biotechnology, Department of Cell and Molecular Biology and Microbiology, Nourdanesh Institute of Higher Education, University of Meymeh, Isfahan, Iran
| | - Sheida Beiranvand
- Department of Biology, Faculty of Basic Sciences, Islamic Azad University, Shahrekord, Iran
| | - Mehran Pournazari
- Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Rezaei-Tazangi
- Department of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Roya Khorram
- Bone and Joint Diseases Research Center, Department of Orthopedic Surgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maral Afshinpour
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD, United States
| | - Rob A. Robino
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States,Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, United States,Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States
| | - Amir Reza Aref
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States,Xsphera Biosciences, Boston, MA, United States,*Correspondence: Leonardo M. R. Ferreira, ; Amir Reza Aref,
| | - Leonardo M. R. Ferreira
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States,Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, United States,Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, United States,*Correspondence: Leonardo M. R. Ferreira, ; Amir Reza Aref,
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12
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Zhu T, Pan Z, Zhang N. Elevated CXCL13 in primary Sjögren's syndrome and its correlation with disease activity: a systematic review and meta-analysis. Clin Rheumatol 2022; 41:2791-2802. [PMID: 35616754 DOI: 10.1007/s10067-022-06210-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 04/18/2022] [Accepted: 05/12/2022] [Indexed: 02/05/2023]
Abstract
OBJECTIVES CXCL13 levels have been reported to be elevated in primary Sjögren's syndrome (pSS) patients. This study investigated alterations involving the CXCL13/CXCR5 axis in pSS patients and explored the correlation between CXCL13 expression and disease severity. METHODS Six databases, including PubMed, Web of Science, Embase, Ovid Medline, China National Knowledge Infrastructure, and Wanfang, were searched. The quality of the included studies was assessed using the Newcastle-Ottawa Scale criteria. We analyzed CXCL13 concentrations in the serum and saliva of pSS patients and healthy controls (HCs). Next, we analyzed the percentage of CXCR5+CD4+ T cells among CD4+ T cells in pSS patients and HCs. Correlations between CXCL13 levels and serological, clinical, and histological parameters of patients were also assessed. Publication bias was determined using funnel plots and Egger's test. RESULTS Twenty-three articles were included; of these, 14 studies reported CXCL13 levels, and 5 reported CXCR5+CD4+ T cell count of pSS patients and HCs. Nine articles covering 32 studies reported correlations between serum CXCL13 levels and serological, clinical, and histological parameters in pSS patients. Expressions of CXCL13 and CXCR5+CD4+ T cell count were significantly increased in pSS patients compared with those in HCs. There was a positive correlation between CXCL13 levels and serum IgG levels, disease activity indices, and focus score in minor salivary gland biopsy of patients. CONCLUSIONS CXCL13 abundance was evidently elevated in pSS patients and correlated with disease activity and can therefore probably be employed as a robust biomarker to monitor and diagnose pSS. Key Points • Serum CXCL13 is significantly elevated in primary Sjögren's syndrome patients. • CXCL13 level correlates with disease severity and activity of primary Sjögren's syndrome. • CXCL13 can probably be used as a robust biomarker to monitor and diagnose primary Sjögren's syndrome.
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Affiliation(s)
- Tong Zhu
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, 610041, Sichuan, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Zijian Pan
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, 610041, Sichuan, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Nannan Zhang
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, 610041, Sichuan, China.
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13
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Pan Z, Zhu T, Liu Y, Zhang N. Role of the CXCL13/CXCR5 Axis in Autoimmune Diseases. Front Immunol 2022; 13:850998. [PMID: 35309354 PMCID: PMC8931035 DOI: 10.3389/fimmu.2022.850998] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 02/16/2022] [Indexed: 12/12/2022] Open
Abstract
CXCL13 is a B-cell chemokine produced mainly by mesenchymal lymphoid tissue organizer cells, follicular dendritic cells, and human T follicular helper cells. By binding to its receptor, CXCR5, CXCL13 plays an important role in lymphoid neogenesis, lymphoid organization, and immune responses. Recent studies have found that CXCL13 and its receptor CXCR5 are implicated in the pathogenesis of several autoimmune diseases, such as rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, primary Sjögren’s syndrome, myasthenia gravis, and inflammatory bowel disease. In this review, we discuss the biological features of CXCL13 and CXCR5 and the recent findings on the pathogenic roles of the CXCL13/CXCR5 axis in autoimmune diseases. Furthermore, we discuss the potential role of CXCL13 as a disease biomarker and therapeutic target in autoimmune diseases.
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Affiliation(s)
- Zijian Pan
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Tong Zhu
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanjun Liu
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
| | - Nannan Zhang
- National Center for Birth Defect Monitoring, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second University Hospital, and State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
- *Correspondence: Nannan Zhang,
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14
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Targeted Therapy for Primary Sjögren's Syndrome: Where are We Now? BioDrugs 2021; 35:593-610. [PMID: 34731460 DOI: 10.1007/s40259-021-00505-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/17/2021] [Indexed: 10/19/2022]
Abstract
Primary Sjögren's syndrome (pSS) is an autoimmune exocrinopathy characterized by dryness symptoms. This review briefly describes recent advances in the targeted therapies for pSS. Biologics evaluated for pSS treatment mainly include B cell-depleting agents, inhibitors of B cell activation, and agents that target co-signaling molecules or proinflammatory cytokines. Small molecule inhibitors that target signaling pathways have also been evaluated. However, current evidence for the efficacy of targeted therapies in pSS is still sparse. Although ianalumab (an anti-B cell-activating factor [BAFF]-receptor antibody) and iscalimab (an anti-CD40 antibody) are promising biologics for pSS, their efficacy still needs to be evaluated in larger clinical trials. For other biologics, clinical trials have found no differences versus placebo in the change from baseline in European League Against Rheumatism Sjögren's Syndrome Disease Activity Index (ESSDAI) score and fatigue score. Possible causes of the disappointing outcomes mainly include the inefficacy of those evaluated biologics in treating pSS, the high heterogeneous nature of pSS, irreversible exocrine glandular failure at advanced disease stages, inappropriate recruitment strategy in clinical trials, and outcome measures. Early diagnosis and glandular function-centered outcome measures may help to improve the current situation in the systemic therapy of pSS.
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15
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HES5-mediated repression of LIGHT transcription may contribute to apoptosis in hepatocytes. Cell Death Discov 2021; 7:308. [PMID: 34689159 PMCID: PMC8542050 DOI: 10.1038/s41420-021-00707-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 11/26/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is prototypical form of metabolic syndrome and has become a global pandemic. Hepatocytes undergo apoptosis in the pathogenesis of NAFLD. We report that the lymphokine LIGHT/TNFSF14 was upregulated in the murine NAFLD livers and in hepatocytes treated with free fatty acids (palmitate, PA). LIGHT knockdown or neutralization attenuated PA-induced apoptosis of hepatocytes. Similarly, knockdown or blockade of LTβR, the receptor for LIGHT, ameliorated apoptosis in hepatocytes exposed to PA. Ingenuity pathway analysis (IPA) revealed several Notch-related transcription factors as upstream regulators of LIGHT, of which HES5 expression was downregulated paralleling LIGHT induction in the pathogenesis of NAFLD. HES5 knockdown enhanced whereas HES5 over-expression weakened LIGHT induction in hepatocytes. HES5 was found to directly bind to the LIGHT promoter and repress LIGHT transcription. Mechanistically, HES5 interacted with SIRT1 to deacetylate histone H3/H4 on the LIGHT promoter to repress LIGHT transcription. SIRT1 knockdown or inhibition offset the effect of HES5 over-expression on LIGHT transcription and hepatocyte apoptosis. In conclusion, our data unveil a novel mechanism that might contribute to excessive apoptosis in hepatocyte exposed to free fatty acids.
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16
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Blanchard L, Girard JP. High endothelial venules (HEVs) in immunity, inflammation and cancer. Angiogenesis 2021; 24:719-753. [PMID: 33956259 PMCID: PMC8487881 DOI: 10.1007/s10456-021-09792-8] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 04/19/2021] [Indexed: 12/16/2022]
Abstract
High endothelial venules (HEVs) are specialized blood vessels mediating lymphocyte trafficking to lymph nodes (LNs) and other secondary lymphoid organs. By supporting high levels of lymphocyte extravasation from the blood, HEVs play an essential role in lymphocyte recirculation and immune surveillance for foreign invaders (bacterial and viral infections) and alterations in the body’s own cells (neoantigens in cancer). The HEV network expands during inflammation in immune-stimulated LNs and is profoundly remodeled in metastatic and tumor-draining LNs. HEV-like blood vessels expressing high levels of the HEV-specific sulfated MECA-79 antigens are induced in non-lymphoid tissues at sites of chronic inflammation in many human inflammatory and allergic diseases, including rheumatoid arthritis, Crohn’s disease, allergic rhinitis and asthma. Such vessels are believed to contribute to the amplification and maintenance of chronic inflammation. MECA-79+ tumor-associated HEVs (TA-HEVs) are frequently found in human tumors in CD3+ T cell-rich areas or CD20+ B-cell rich tertiary lymphoid structures (TLSs). TA-HEVs have been proposed to play important roles in lymphocyte entry into tumors, a process essential for successful antitumor immunity and lymphocyte-mediated cancer immunotherapy with immune checkpoint inhibitors, vaccines or adoptive T cell therapy. In this review, we highlight the phenotype and function of HEVs in homeostatic, inflamed and tumor-draining lymph nodes, and those of HEV-like blood vessels in chronic inflammatory diseases. Furthermore, we discuss the role and regulation of TA-HEVs in human cancer and mouse tumor models.
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Affiliation(s)
- Lucas Blanchard
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Jean-Philippe Girard
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.
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17
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Piao W, Kasinath V, Saxena V, Lakhan R, Iyyathurai J, Bromberg JS. LTβR Signaling Controls Lymphatic Migration of Immune Cells. Cells 2021; 10:cells10040747. [PMID: 33805271 PMCID: PMC8065509 DOI: 10.3390/cells10040747] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
The pleiotropic functions of lymphotoxin (LT)β receptor (LTβR) signaling are linked to the control of secondary lymphoid organ development and structural maintenance, inflammatory or autoimmune disorders, and carcinogenesis. Recently, LTβR signaling in endothelial cells has been revealed to regulate immune cell migration. Signaling through LTβR is comprised of both the canonical and non-canonical-nuclear factor κB (NF-κB) pathways, which induce chemokines, cytokines, and cell adhesion molecules. Here, we focus on the novel functions of LTβR signaling in lymphatic endothelial cells for migration of regulatory T cells (Tregs), and specific targeting of LTβR signaling for potential therapeutics in transplantation and cancer patient survival.
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Affiliation(s)
- Wenji Piao
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Vivek Kasinath
- Renal Division, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Vikas Saxena
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Ram Lakhan
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Jegan Iyyathurai
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
| | - Jonathan S. Bromberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (W.P.); (R.L.)
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA; (V.S.); (J.I.)
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence: ; Tel.: +410-328-6430
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18
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Srivastava A, Makarenkova HP. Innate Immunity and Biological Therapies for the Treatment of Sjögren's Syndrome. Int J Mol Sci 2020; 21:E9172. [PMID: 33271951 PMCID: PMC7730146 DOI: 10.3390/ijms21239172] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/11/2022] Open
Abstract
Sjögren's syndrome (SS) is a systemic autoimmune disorder affecting approximately 3% of the population in the United States. This disease has a female predilection and affects exocrine glands, including lacrimal and salivary glands. Dry eyes and dry mouths are the most common symptoms due to the loss of salivary and lacrimal gland function. Symptoms become more severe in secondary SS, where SS is present along with other autoimmune diseases like systemic lupus erythematosus, systemic sclerosis, or rheumatoid arthritis. It is known that aberrant activation of immune cells plays an important role in disease progression, however, the mechanism for these pathological changes in the immune system remains largely unknown. This review highlights the role of different immune cells in disease development, therapeutic treatments, and future strategies that are available to target various immune cells to cure the disease.
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Affiliation(s)
| | - Helen P. Makarenkova
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Rd., La Jolla, CA 92037, USA;
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19
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Biologic therapy in Sjögren's syndrome. Clin Rheumatol 2020; 40:2143-2154. [PMID: 33106929 DOI: 10.1007/s10067-020-05429-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/06/2020] [Accepted: 09/22/2020] [Indexed: 01/19/2023]
Abstract
Sjögren's syndrome (SS) is a chronic autoimmune disease with complex and diverse clinical manifestations. It is characterized by lymphocyte infiltration of exocrine glands such as the salivary gland and lacrimal gland leading to insufficient secretion of the gland, manifested as dry mouth and dry eyes. In addition, it can involve extraglandular organs and cause systemic damage. The pathogenesis of SS is still unclear. At present, symptomatic treatment is the mainstay and there is a lack of effective therapy. With the development of molecular pathways underlying the pathogenesis of SS, more and more novel biological agents are used to treat SS. We summarized and analyzed the existing evidences on the efficacy of biological treatment of SS and their targets. Analysis of the efficacy of biological therapy and improvement of treatment strategies can help to give full play to its therapeutic advantages.
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20
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Ohno Y, Satoh K, Shitara A, Into T, Kashimata M. Arginase 1 is involved in lacrimal hyposecretion in male NOD mice, a model of Sjögren's syndrome, regardless of dacryoadenitis status. J Physiol 2020; 598:4907-4925. [PMID: 32780506 PMCID: PMC7693353 DOI: 10.1113/jp280090] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/01/2020] [Indexed: 01/14/2023] Open
Abstract
Key points Few reports have explored the possibility of involvement of non‐inflammatory factors in lacrimal hyposecretion in Sjögren's syndrome (SS). RNA‐sequencing analysis revealed that only four genes, including arginase 1, were downregulated in the lacrimal gland of SS model male mice (NOD mice) after onset of lacrimal hyposecretion and dacryoadenitis. Even in non‐dacryoadenitis‐type NOD mice, tear secretion and arginase 1 expression remained low. An arginase 1 inhibitor reduced tear secretion and partially reduced saliva secretion in BALB/c mice. The results indicate that a non‐inflammatory factor, arginase 1, is involved in lacrimal hyposecretion in male NOD mice, regardless of dacryoadenitis status.
Abstract Lacrimal fluid (tears) is important for preservation of the ocular surface, and thus lacrimal hyposecretion in Sjögren's syndrome (SS) leads to reduced quality of life. However, the cause(s) of lacrimal hyposecretion remains unknown, even though many studies have been conducted from the perspective of inflammation. Here, we hypothesized that a non‐inflammatory factor induces lacrimal hyposecretion in SS pathology, and to elucidate such a factor, we conducted transcriptome analysis of the lacrimal glands in male non‐obese diabetic (NOD) mice as an SS model. The NOD mice showed inflammatory cell infiltration and decreased pilocarpine‐induced tear secretion at and after 6 weeks of age compared to age‐matched BALB/c mice. RNA‐sequencing analysis revealed that only four genes, including arginase 1, were downregulated, whereas many genes relating to inflammation were upregulated, in the lacrimal glands of male NOD mice after onset of lacrimal hyposecretion and dacryoadenitis (lacrimal gland inflammation). Changes in the level of arginase 1 expression were confirmed by real‐time RT‐PCR and western blot analysis. Furthermore, non‐dacryoadenitis‐type NOD mice were used to investigate the relationships among arginase 1 expression, lacrimal hyposecretion and dacryoadenitis. Interestingly, these NOD mice retained the phenotype of dacryoadenitis with regard to tear secretion and arginase 1 expression level. An arginase 1 inhibitor reduced tear secretion and partially reduced saliva secretion in BALB/c mice. In conclusion, a non‐inflammatory factor, arginase 1, is involved in lacrimal hyposecretion in male NOD mice, regardless of dacryoadenitis status. These results shed light on the pathophysiological role of arginase 1 in SS (dry eye). Few reports have explored the possibility of involvement of non‐inflammatory factors in lacrimal hyposecretion in Sjögren's syndrome (SS). RNA‐sequencing analysis revealed that only four genes, including arginase 1, were downregulated in the lacrimal gland of SS model male mice (NOD mice) after onset of lacrimal hyposecretion and dacryoadenitis. Even in non‐dacryoadenitis‐type NOD mice, tear secretion and arginase 1 expression remained low. An arginase 1 inhibitor reduced tear secretion and partially reduced saliva secretion in BALB/c mice. The results indicate that a non‐inflammatory factor, arginase 1, is involved in lacrimal hyposecretion in male NOD mice, regardless of dacryoadenitis status.
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Affiliation(s)
- Yuta Ohno
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Keitaro Satoh
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu, 501-0296, Japan.,Department of Pharmacology, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama, 350-0283, Japan
| | - Akiko Shitara
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Takeshi Into
- Department of Oral Microbiology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Masanori Kashimata
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Mizuho, Gifu, 501-0296, Japan
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He SH, Xuan YY, Liang X, Guo KJ, Wang Y, Fu XN, Li TF. Investigative biological therapies for primary Sjögren's syndrome. Arch Med Sci 2020; 20:506-516. [PMID: 38757038 PMCID: PMC11094820 DOI: 10.5114/aoms.2020.97288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 11/19/2019] [Indexed: 05/18/2024] Open
Abstract
Primary Sjögren's syndrome (pSS) is a chronic, systemic autoimmune disease characterized by dryness of the eyes and mouth. The histological feature is mononuclear cell infiltration in exocrine glands, primarily salivary and lachrymal glands. As the disease progresses, some other tissues and organs may be involved and extraglandular manifestations ensue. The major current treatments are palliative and empirical, and in most cases the outcomes are not satisfactory. Emerging data indicate a critical role of lymphocytes in its development and progression. While pioneering work targeting B cells has demonstrated some encouraging results, more trials are warranted to validate the safety and efficacy. In addition, modulation of T cell function with abatacept ameliorates the severity of pSS. Furthermore, clinical trials to inhibit important cytokines involved in its formation have been carried out. In this article, we summarize and compare current biological therapies in order to find new and effective treatments for pSS.
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Affiliation(s)
- Shi-Hao He
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yi-Yi Xuan
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xu Liang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Kuang-Jin Guo
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yan Wang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiao-Ning Fu
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Tian-Fang Li
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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22
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Traianos EY, Locke J, Lendrem D, Bowman S, Hargreaves B, Macrae V, Tarn JR, Ng WF. Serum CXCL13 levels are associated with lymphoma risk and lymphoma occurrence in primary Sjögren's syndrome. Rheumatol Int 2020; 40:541-548. [PMID: 32047959 PMCID: PMC7069897 DOI: 10.1007/s00296-020-04524-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/21/2020] [Indexed: 12/19/2022]
Abstract
Primary Sjögren's syndrome (pSS) is an autoimmune disease characterised by an increased risk for non-Hodgkin lymphoma (NHL) development. Ectopic germinal centre (GC) in the salivary gland is associated with increased NHL risk in pSS, and the chemokine CXCL13 is implicated in B-cell migration and GC formation. Serum CXCL13 concentrations were quantified by ELISA in 48 healthy individuals, 273 pSS patients without NHL (pSS-nonL), and 38 pSS patients with NHL (pSS-NHL+) from the United Kingdom Primary Sjögren's Syndrome Registry cohort. PSS-nonL patients were stratified into low risk (LR), moderate risk (MR) and high risk (HR) groups according to the lymphoma risk score proposed by Fragkioudaki et al. Differences in serum CXCL13 levels among groups were analysed using the Wilcoxon method. Also, changes in serum CXCL13 over a time period of at least 1 year and a median 4 years were assessed for 200 pSS-nonL and 8 pSS-NHL+ patients. In addition, associations of serum CXCL13 with B-cell and inflammatory markers were investigated by correlation analyses and logistic regression. Serum CXCL13 levels were higher in all pSS groups compared to controls (p < 0.0001), and in pSS-NHL+ compared to pSS-nonL patients (p = 0.0204). LR patients had lower CXCL13 levels than MR patients (p < 0.0001) and pSS-NHL+ patients (p = 0.0008). CXCL13 levels remained stable over the study period for all pSS groups. CXCL13 was associated (p < 0.0005) with Immunoglobulin G (IgG), B-cell activating factor, β2 microglobulin, combined free light chains, κ and λ light chains, anti-Ro/SSA, anti-La/SSB, and erythrocyte sedimentation rate. IgG and C3 controlled for age and gender were significantly associated with NHL risk in pSS. Serum CXCL13 levels were elevated in pSS-NHL+ and MR patients compared to LR patients and remained stable over time. Further study is required to investigate the role of CXCL13 in pSS-associated NHL risk.
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Affiliation(s)
- Emmanuella Young Traianos
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - James Locke
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - Dennis Lendrem
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | | | - Ben Hargreaves
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - Victoria Macrae
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - UK primary Sjögren’s syndrome registry
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
- Univesity Hospital Birmingham, Birmingham, UK
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
| | - Jessica Rachael Tarn
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
| | - Wan-Fai Ng
- Musculoskeletal Research Group, Faculty of Medical Sciences, Institute of Cellular Medicine, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH UK
- NIHR Newcastle Biomedical Research Center, Newcastle upon Tyne, UK
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Truman LA, Bentley KL, Ruddle NH. Lymphotoxin targeted to salivary and lacrimal glands induces tertiary lymphoid organs and cervical lymphadenopathy and reduces tear production. Eur J Immunol 2020; 50:418-425. [PMID: 32012252 DOI: 10.1002/eji.201948300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 10/30/2019] [Accepted: 01/30/2020] [Indexed: 11/11/2022]
Abstract
To investigate the role of lymphotoxin (LT) in Sjögren's syndrome (SS) and in mucosal associated lymphoid tissue (MALT)-lymphoma, we made transgenic mice (Amy1-LTαβ) that targeted LTα and LTβ to the salivary and lacrimal glands. Amy1-LTαβ mice developed atrophic salivary and lacrimal glands that contained tertiary lymphoid organs (TLOs) and had reduced tear production. Amy1-LTαβ mice developed cervical lymphadenopathy but not MALT-lymphoma. TLO formation in the salivary and lacrimal glands of Amy1-LTαβ was not sufficient to induce autoimmunity as measured by autoantibody titres.
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Affiliation(s)
- Lucy A Truman
- ENT Department, West Suffolk Hospital, Hardwick Lane, Bury St Edmunds, UK.,Yale School of Public Health, New Haven, CT, USA
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Abstract
Tertiary lymphoid organs (TLOs), also known as inducible lymphoid organs, tertiary lymphoid structures, tertiary lymphoid tissues, or ectopic lymphoid organs are accumulations of cells in chronic inflammation that have been observed in most tissues in autoimmunity, infection, and cancer in mouse and man. They share many properties with secondary lymphoid organs (SLOs), particularly lymph nodes, with regard to cellular composition, function, and regulation. TLOs include T and B cells, dendritic cells, follicular dendritic cells, and many other stromal cells, and high endothelial venules (HEVs) and lymphatic vessels. They serve as sites of antigen presentation and tolerance induction; they are harmful in autoimmunity and can be both harmful and beneficial in cancer. SLO induction in ontogeny is mediated by interactions of several cell types, including CD4+ CD3- lymphoid tissue inducer (LTi) RORγt+ cells that express LTαβ and interact with mesenchymal lymphoid tissue organizer (LTo) FAP+ cells in the presence of lymphatic and blood vessels. A variety of inducer cells initiate TLOs, including bona fide LTi cells, T cells, B cells, and NK cells. The mesenchymal organizer cells are less well characterized but can include FAP+ cells. Current challenges include identification of methods to inhibit TLOs in autoimmunity without affecting SLOs, and enhancement of TLOs for defense against tumors.
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Affiliation(s)
- Nancy H Ruddle
- Epidemiology of Microbial Diseases, Yale School of Public Health, 60 College St., New Haven, CT, 06510, USA.
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25
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Banach-Orłowska M, Wyszyńska R, Pyrzyńska B, Maksymowicz M, Gołąb J, Miączyńska M. Cholesterol restricts lymphotoxin β receptor-triggered NF-κB signaling. Cell Commun Signal 2019; 17:171. [PMID: 31878945 PMCID: PMC6933913 DOI: 10.1186/s12964-019-0460-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 10/10/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Lymphotoxin β receptor (LTβR) plays important roles in the development of the immune system and immune response. At the cellular level, ligand-bound LTβR activates the pro-inflammatory NF-κB pathway but the detailed mechanisms regulating its signaling remain unknown. Understanding them is of high importance since LTβR and its ligands are promising therapeutic targets. Here, we studied the consequences of perturbed cellular cholesterol content on LTβR-induced NF-κB signaling. METHODS To modulate cholesterol availability and/or level in lung carcinoma A549 and H2228, and endothelial HUVEC cells different treatment regimens with filipin, methyl-β-cyclodextrin and simvastatin were applied. LTβR localization was studied by confocal microscopy. The activity of LTβR-induced NF-κB pathway was assessed by measuring the levels of NF-κB pathway inhibitor IκBα and phosphorylation of RelA transcription factor by Western blotting. The NF-κB transcriptional response, production of chemokines and adhesion molecules were examined by qRT-PCR, ELISA, and Western blotting, respectively. Adherence of different types of primary immune cells to epithelial A549 cells and endothelial HUVECs was measured fluorometrically. Interactions of LTβR with its protein partners were investigated by immunoprecipitation. RESULTS We showed that filipin-mediated sequestration of cholesterol or its depletion from the plasma membrane with methyl-β-cyclodextrin impaired LTβR internalization and potentiated LTβR-dependent activation of the canonical branch of the NF-κB pathway. The latter was manifested by enhanced degradation of IκBα inhibitor, elevated RelA phosphorylation, substantial increase in the expression of NF-κB target genes encoding, among others, cytokines and adhesion molecules known to play important roles in immune response. It was followed by robust secretion of CXCL8 and upregulation of ICAM1, that favored the adhesion of immune cells (NK and T cells, neutrophils) to A549 cells and HUVECs. Mechanistically, we showed that cholesterol depletion stabilized interactions of ligand-stimulated LTβR with modified forms of TRAF2 and NEMO proteins. CONCLUSIONS Our results showed that the reduction of the plasma membrane content of cholesterol or its sequestration strongly potentiated signaling outcome initiated by LTβR. Thus, drugs modulating cholesterol levels could potentially improve efficacy of LTβR-based therapies. Video abstract.
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Affiliation(s)
- Magdalena Banach-Orłowska
- Laboratory of Cell Biology, International Institute of Molecular and Cell Biology, 02-109, Warsaw, Poland.
| | - Renata Wyszyńska
- Laboratory of Cell Biology, International Institute of Molecular and Cell Biology, 02-109, Warsaw, Poland
| | - Beata Pyrzyńska
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Małgorzata Maksymowicz
- Laboratory of Cell Biology, International Institute of Molecular and Cell Biology, 02-109, Warsaw, Poland
| | - Jakub Gołąb
- Department of Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Marta Miączyńska
- Laboratory of Cell Biology, International Institute of Molecular and Cell Biology, 02-109, Warsaw, Poland
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26
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Mavragani CP, Moutsopoulos HM. Sjögren's syndrome: Old and new therapeutic targets. J Autoimmun 2019; 110:102364. [PMID: 31831255 DOI: 10.1016/j.jaut.2019.102364] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 11/10/2019] [Indexed: 02/09/2023]
Abstract
Sjögren's syndrome (SS) is a prototype autoimmune disease characterized by oral and ocular mucosal dryness following chronic inflammation of salivary and lachrymal glands, respectively. Profound B cell hyperactivity along with systemic manifestations including fatigue, musculoskeletal complaints, features related to hepatic, pulmonary, renal and nervous system involvement, as well as lymphoma development can be also present. Despite that activation of both innate and adaptive immune pathways has been long well documented in SS pathogenesis, systemic immunosuppression in SS, in contrast to other autoimmune diseases, has been largely inefficacious. Biological agents previously implemented in successful therapeutic outcomes in rheumatoid arthritis (RA), such as anti-TNF agents, anakinra, tocilizumab and rituximab failed to reach primary outcomes in randomized double-blind controlled trials in the context of SS. Abatacept and belimumab, already licensed for the treatment of RA and lupus respectively, as well combination regimens of both rituximab and belimumab hold some promise in alleviation of SS-specific complaints, but data from large controlled trials are awaited. Recent advances in dissecting the molecular pathways underlying SS pathogenesis led to an expanding number of novel biological compounds directed towards type I interferon system, antigen presentation, costimulatory pathways, B and T cell activation, as well as germinal center formation. While targeting of cathepsin-S (Petesicatib), inducible costimulator of T cells ligand (prezalumab), and lymphotoxin beta receptor (baminercept) failed to fulfil the primary outcome measures, preliminary results from two randomized placebo controlled trials on CD40 blockade (Iscalimab) and B-cell activating factor receptor (Ianalumab) inhibition resulted in significant reduction of SS disease activity, with a favorable so far safety profile. Results from administration of other kinase inhibitors, a transmembrane activator and calcium-modulator and cytophilin ligand interactor TACI fusion protein (RC18), as well as low dose recombinant interleukin-2 to expand T-regulatory cells are currently awaited.
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Affiliation(s)
- Clio P Mavragani
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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27
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Skarlis C, Marketos N, Mavragani CP. Biologics in Sjögren's syndrome. Pharmacol Res 2019; 147:104389. [DOI: 10.1016/j.phrs.2019.104389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 12/20/2022]
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Affiliation(s)
- Toshio Odani
- Adeno-Associated Virus Biology Section, Molecular Physiology and Therapeutics Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - John A. Chiorini
- Adeno-Associated Virus Biology Section, Molecular Physiology and Therapeutics Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
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Lee J, Lee J, Kwok S, Baek S, Jang SG, Hong S, Min J, Choi SS, Lee J, Cho M, Park S. JAK
‐1 Inhibition Suppresses Interferon‐Induced
BAFF
Production in Human Salivary Gland. Arthritis Rheumatol 2018; 70:2057-2066. [DOI: 10.1002/art.40589] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 06/12/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Jaeseon Lee
- The Catholic University of Korea Seoul Republic of Korea
| | - Jennifer Lee
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
| | - Seung‐Ki Kwok
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
| | - SeungYe Baek
- The Catholic University of Korea Seoul Republic of Korea
| | - Se Gwang Jang
- The Catholic University of Korea Seoul Republic of Korea
| | - Seung‐Min Hong
- The Catholic University of Korea Seoul Republic of Korea
| | - Jae‐Woong Min
- Kangwon National University Chuncheon Republic of Korea
| | - Sun Shim Choi
- Kangwon National University Chuncheon Republic of Korea
| | - Juhyun Lee
- The Catholic University of Korea Seoul Republic of Korea
| | - Mi‐La Cho
- The Catholic University of Korea Seoul Republic of Korea
| | - Sung‐Hwan Park
- The Catholic University of Korea Seoul St. Mary's Hospital Seoul Republic of Korea
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30
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Chaly Y, Barr JY, Sullivan DA, Thomas HE, Brodnicki TC, Lieberman SM. Type I Interferon Signaling Is Required for Dacryoadenitis in the Nonobese Diabetic Mouse Model of Sjögren Syndrome. Int J Mol Sci 2018; 19:E3259. [PMID: 30347820 PMCID: PMC6214106 DOI: 10.3390/ijms19103259] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/01/2018] [Accepted: 10/13/2018] [Indexed: 12/26/2022] Open
Abstract
Nonobese diabetic (NOD) mice spontaneously develop lacrimal and salivary gland autoimmunity similar to human Sjögren syndrome. In both humans and NOD mice, the early immune response that drives T-cell infiltration into lacrimal and salivary glands is poorly understood. In NOD mice, lacrimal gland autoimmunity spontaneously occurs only in males with testosterone playing a role in promoting lacrimal gland inflammation, while female lacrimal glands are protected by regulatory T cells (Tregs). The mechanisms of this male-specific lacrimal gland autoimmunity are not known. Here, we studied the effects of Treg depletion in hormone-manipulated NOD mice and lacrimal gland gene expression to determine early signals required for lacrimal gland inflammation. While Treg-depletion was not sufficient to drive dacryoadenitis in castrated male NOD mice, chemokines (Cxcl9, Ccl19) and other potentially disease-relevant genes (Epsti1, Ubd) were upregulated in male lacrimal glands. Expression of Cxcl9 and Ccl19, in particular, remained significantly upregulated in the lacrimal glands of lymphocyte-deficient NOD-severe combined immunodeficiency (SCID) mice and their expression was modulated by type I interferon signaling. Notably, Ifnar1-deficient NOD mice did not develop dacryoadenitis. Together these data identify disease-relevant genes upregulated in the context of male-specific dacryoadenitis and demonstrate a requisite role for type I interferon signaling in lacrimal gland autoimmunity in NOD mice.
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Affiliation(s)
- Yury Chaly
- Stead Family Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.
| | - Jennifer Y Barr
- Stead Family Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.
| | - David A Sullivan
- Department of Ophthalmology, Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, MA 02114, USA.
| | - Helen E Thomas
- Department of Medicine, St. Vincent's Hospital, St. Vincent's Institute, The University of Melbourne, Fitzroy, Victoria 3065, Australia.
| | - Thomas C Brodnicki
- Department of Medicine, St. Vincent's Hospital, St. Vincent's Institute, The University of Melbourne, Fitzroy, Victoria 3065, Australia.
| | - Scott M Lieberman
- Stead Family Department of Pediatrics, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA.
- Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, IA 52242, USA.
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31
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MyD88 signaling causes autoimmune sialadenitis through formation of high endothelial venules and upregulation of LTβ receptor-mediated signaling. Sci Rep 2018; 8:14272. [PMID: 30250175 PMCID: PMC6155371 DOI: 10.1038/s41598-018-32690-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 09/13/2018] [Indexed: 01/17/2023] Open
Abstract
Autoimmune sialadenitis (AS), chronic inflammation of the salivary glands (SGs) with focal lymphocyte infiltration, appears in autoimmune diseases such as Sjӧgren’s syndrome. The pathological role of MyD88-dependent innate immune signaling in autoimmune diseases including AS has been studied using mouse models, such as NOD mice. Although AS development in NOD mice was reported to be suppressed by Myd88 deficiency, its specific role remains unclear. Here, we determined the potent suppressive effects of Myd88 deficiency on AS development in lupus-prone B6/lpr mice, which have lymphoproliferation abnormalities, and also in NOD mice, which have no lymphoproliferation abnormalities. This indicates that MyD88 signaling triggers AS through both lymphoproliferation-dependent and -independent mechanisms. To address the MyD88-dependent lymphoproliferation-independent AS manifestation, SGs from C57BL/6 mice were analyzed. Remarkable upregulation of Glycam1 and high endothelial venule (HEV)-associated changes were unexpectedly found in Myd88+/+ mice, compared with Myd88−/− mice. MyD88-dependent HEV-associated changes were also observed in NOD mice. Additionally, Lta, Ltb, and Ltbr in SGs of NOD mice were lowered by Myd88 deficiency. Interestingly, LTβR-induced HEV-associated gene expression in cultured cells was impaired by Myd88 deficiency. Our findings highlight novel roles for MyD88 in AS development, which imply the existence of MyD88-dependent HEV formation in ectopic lymphoid neogenesis.
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32
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St Clair EW, Baer AN, Wei C, Noaiseh G, Parke A, Coca A, Utset TO, Genovese MC, Wallace DJ, McNamara J, Boyle K, Keyes-Elstein L, Browning JL, Franchimont N, Smith K, Guthridge JM, Sanz I, James JA. Clinical Efficacy and Safety of Baminercept, a Lymphotoxin β Receptor Fusion Protein, in Primary Sjögren's Syndrome: Results From a Phase II Randomized, Double-Blind, Placebo-Controlled Trial. Arthritis Rheumatol 2018; 70:1470-1480. [PMID: 29604186 PMCID: PMC6115299 DOI: 10.1002/art.40513] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Accepted: 03/22/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To evaluate the clinical efficacy and safety of baminercept, a lymphotoxin β receptor IgG fusion protein (LTβR-Ig), for the treatment of primary Sjögren's syndrome (SS), and to explore the possible mechanisms of action of this treatment. METHODS In this multicenter trial, 52 patients with primary SS were randomized in a 2:1 ratio to receive subcutaneous injections of 100 mg of baminercept every week for 24 weeks or matching placebo. The primary end point was the change between screening and week 24 in the stimulated whole salivary flow (SWSF) rate. Secondary end points included the European League Against Rheumatism Sjögren's Syndrome Disease Activity Index (ESSDAI), as well as measurements of select chemokines and cytokines and enumeration of peripheral blood B and T cell subsets. RESULTS The change from baseline to week 24 in the SWSF rate was not significantly different between the baminercept and placebo treatment groups (baseline-adjusted mean change -0.01 versus 0.07 ml/minute; P = 0.332). The change in the ESSDAI during treatment was also not significantly different between the treatment groups (baseline-adjusted mean change -1.23 versus -0.15; P = 0.104). Although the incidence of adverse events was similar between the treatment groups, baminercept therapy was associated with a higher incidence of liver toxicity, including 2 serious adverse events. Baminercept also produced a significant decrease in plasma levels of CXCL13 and significant changes in the number of circulating B and T cells, consistent with its known inhibitory effects on LTβR signaling. CONCLUSION In this trial, treatment with baminercept failed to significantly improve glandular and extraglandular disease in patients with primary SS, despite evidence from mechanistic studies showing that it blocks LTβR signaling.
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Affiliation(s)
| | - Alan N Baer
- Johns Hopkins University, Baltimore, Maryland
| | - Chungwen Wei
- Ignacio Sanz, Emory University, Atlanta, Georgia
| | | | - Anne Parke
- Saint Francis Medical Group, Hartford, Connecticut
| | | | | | | | | | - James McNamara
- National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland
| | | | | | | | | | | | | | - Ignacio Sanz
- Ignacio Sanz, Emory University, Atlanta, Georgia
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A DNA-Methylated Sight on Autoimmune Inflammation Network across RA, pSS, and SLE. J Immunol Res 2018; 2018:4390789. [PMID: 30159339 PMCID: PMC6109517 DOI: 10.1155/2018/4390789] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 07/08/2018] [Indexed: 12/14/2022] Open
Abstract
Methylation variabilities of inflammatory cytokines play important roles in the development of systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and primary Sjögren's syndrome (pSS). With heightened focus on personalized and precise medicine, it is necessary to compare and contrast the difference and similarity of cytokine methylation status between the 3 most classic autoimmune diseases (AIDs). In this study, we integrated 5 Cytokine-Chips from genome-wide DNA methylation datasets of the 3 kind of AIDs, delta-beta value was calculated for intergroup difference, and comprehensive bioinformatics analyses of cytokine genes with aberrant methylations were performed. 125 shared differential methylation variabilities (DMVs) were identified. There were 102 shared DMVs with similar methylation status; 3 hypomethylated differential methylation regions (DMRs) across the AIDs were found, and all 3 DMRs were hypomethylated. DMRs (AZU1, LTBR, and RTEL1) were likely to serve as activator in the inflammatory process. Particularly, AZU1 and LTBR with hypomethylated TSS and first exon located in the promoter regions were able to trigger inflammation signaling cascades and play critical roles in autoimmune tautology. Moreover, functional epigenetic module (FEM) algorithm showed that different inflammatory networks are involved in different AIDs; 5 hotspots were identified as biologically plausible pathways in inducing or perpetuating of inflammation which are epigenetically deregulated in AIDs. We concluded methylation variabilities among the same cytokines can greatly impact the perpetuation of inflammatory process or signal pathway of AIDs. Differentiating the cytokine methylation status will serve as valuable resource for researchers alike to gain better understanding of the epigenetic mechanisms of the three AIDs. Even more importantly, better understanding of cytokine methylation variability existing between the three classic AIDs will aid in identification of potential epigenetic biomarkers and therapeutic targets. This trial is registered with ChiCTR-INR-16010290, a clinical trial for the treatment of rheumatoid arthritis with Warming yang and Smoothening Meridians.
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Mueller CG, Nayar S, Campos J, Barone F. Molecular and Cellular Requirements for the Assembly of Tertiary Lymphoid Structures. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1060:55-72. [PMID: 30155622 DOI: 10.1007/978-3-319-78127-3_4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
At sites of chronic inflammation, recruited immune cells form structures that resemble secondary lymphoid organs (SLOs). Those are characterized by segregated areas of prevalent T- or B-cell aggregation, differentiation of high endothelial venules (HEVs) and local activation of resident stromal cells. B-cell proliferation and affinity maturation towards locally displayed autoantigens have been demonstrated at those sites, known as tertiary lymphoid structures (TLSs). TLS formation has been associated with local disease persistence and progression as well as increased systemic manifestations. While bearing a similar histological structure to SLO, the signals that regulate TLS and SLO formation can diverge, and a series of pro-inflammatory cytokines has been ascribed as responsible for TLS formation at different anatomical sites. Here we review the structural elements as well as the signals responsible for TLS aggregation, aiming to provide an overview to this complex immunological phenomenon.
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Affiliation(s)
- C G Mueller
- CNRS UPR 3572, Laboratory of Immunopathology and Therapeutic Chemistry/Laboratory of Excellence MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Université de Strasbourg, Strasbourg, France
| | - S Nayar
- Rheumatology Research Group, Institute of Inflammation and Ageing (IIA), University of Birmingham, Birmingham, UK
| | - J Campos
- Rheumatology Research Group, Institute of Inflammation and Ageing (IIA), University of Birmingham, Birmingham, UK
| | - F Barone
- Rheumatology Research Group, Institute of Inflammation and Ageing (IIA), University of Birmingham, Birmingham, UK.
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Tertiary Lymphoid Structures Among the World of Noncanonical Ectopic Lymphoid Organizations. Methods Mol Biol 2018; 1845:1-15. [PMID: 30141004 DOI: 10.1007/978-1-4939-8709-2_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Tertiary lymphoid structures (TLOs), also known as ectopic lymphoid structures, are associated with chronic infections and inflammatory diseases. Despite their association with pathology, these structures are actually a normal, albeit transient, component of the immune system and facilitate local immune responses that are meant to mitigate inflammation and resolve infection. Many of the mechanisms controlling the formation and function of tertiary lymphoid structures have been identified, in part by experimentally triggering their formation using defined stimuli under controlled conditions. Here, we introduce the experimental and pathological conditions in which tertiary lymphoid tissues are formed, describe the mechanisms linked to their formation, and discuss their functions in the context of both infection and inflammation.
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Del Papa N, Vitali C. Management of primary Sjögren's syndrome: recent developments and new classification criteria. Ther Adv Musculoskelet Dis 2018; 10:39-54. [PMID: 29387177 DOI: 10.1177/1759720x17746319] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 11/12/2017] [Indexed: 12/14/2022] Open
Abstract
For many years primary Sjögren's syndrome (pSS) has been considered an orphan disease, since no specific therapies were recognized as being capable of contrasting the development and progression of this disorder. The treatment of oral and ocular features, as well as of the systemic organ involvement, has been entrusted to the joint management of different subspecialty physicians, like ophthalmologists, otolaryngologists, dentists and rheumatologists. These latter subspecialty doctors are usually more involved in the treatment of systemic extraglandular involvement and, to do it, they have long been using the conventional therapies borrowed by the treatment schedules adopted in other systemic autoimmune diseases. The increasing knowledge of the biological pathways that are operative in patients with pSS, and the parallel development of molecular biology technology, have allowed the production and availability of a number of biological agents able to positively act on different disease mechanisms, and thus are candidates for testing in therapeutic trials. Meanwhile, the scientific community has made a great effort to develop new accurate and validated classification criteria and outcome measures to be applied in the selection of patients to be included and monitored in therapeutic studies. Some of the new-generation biotechnological agents have been tested in a number of open-label and randomized controlled trials that have produced in many cases inconclusive or contradictory results. Behind the differences in trial protocols, adopted outcome measures and predefined endpoints, reasons for such unsatisfactory results can be found in the large heterogeneity of clinical subtypes in the examined cohorts. The future challenge for a substantial advancement in the therapeutic approach to pSS could be to identify the pathologic mechanisms, outcome tools and biomarkers that characterize the different subsets of the disease in order to test carefully selected target therapies with the highest probability of success in each different clinical phenotype.
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Affiliation(s)
- Nicoletta Del Papa
- Day Hospital of Rheumatology, Department of Rheumatology, ASST G. Pini-CTO, via Pini 3, 20122 Milan, Italy
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37
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Colbeck EJ, Ager A, Gallimore A, Jones GW. Tertiary Lymphoid Structures in Cancer: Drivers of Antitumor Immunity, Immunosuppression, or Bystander Sentinels in Disease? Front Immunol 2017; 8:1830. [PMID: 29312327 PMCID: PMC5742143 DOI: 10.3389/fimmu.2017.01830] [Citation(s) in RCA: 160] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/04/2017] [Indexed: 12/16/2022] Open
Abstract
Secondary lymphoid organs are integral to initiation and execution of adaptive immune responses. These organs provide a setting for interactions between antigen-specific lymphocytes and antigen-presenting cells recruited from local infected or inflamed tissues. Secondary lymphoid organs develop as a part of a genetically preprogrammed process during embryogenesis. However, organogenesis of secondary lymphoid tissues can also be recapitulated in adulthood during de novo lymphoid neogenesis of tertiary lymphoid structures (TLSs). These ectopic lymphoid-like structures form in the inflamed tissues afflicted by various pathological conditions, including cancer, autoimmunity, infection, or allograft rejection. Studies are beginning to shed light on the function of such structures in different disease settings, raising important questions regarding their contribution to progression or resolution of disease. Data show an association between the tumor-associated TLSs and a favorable prognosis in various types of human cancer, attracting the speculation that TLSs support effective local antitumor immune responses. However, definitive evidence for the role for TLSs in fostering immune responses in vivo are lacking, with current data remaining largely correlative by nature. In fact, some more recent studies have even demonstrated an immunosuppressive, tumor-promoting role for cancer-associated TLSs. In this review, we will discuss what is known about the development of cancer-associated TLSs and the current understanding of their potential role in the antitumor immune response.
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Affiliation(s)
| | - Ann Ager
- Division of Infection and Immunity, School of Medicine and Systems Immunity Research Institute, Cardiff University, Cardiff, United Kingdom
| | - Awen Gallimore
- Division of Infection and Immunity, School of Medicine and Systems Immunity Research Institute, Cardiff University, Cardiff, United Kingdom
| | - Gareth Wyn Jones
- Division of Infection and Immunity, School of Medicine and Systems Immunity Research Institute, Cardiff University, Cardiff, United Kingdom
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Tasaki S, Suzuki K, Nishikawa A, Kassai Y, Takiguchi M, Kurisu R, Okuzono Y, Miyazaki T, Takeshita M, Yoshimoto K, Yasuoka H, Yamaoka K, Ikeura K, Tsunoda K, Morita R, Yoshimura A, Toyoshiba H, Takeuchi T. Multiomic disease signatures converge to cytotoxic CD8 T cells in primary Sjögren's syndrome. Ann Rheum Dis 2017; 76:1458-1466. [PMID: 28522454 PMCID: PMC5738597 DOI: 10.1136/annrheumdis-2016-210788] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 03/28/2017] [Accepted: 04/09/2017] [Indexed: 11/25/2022]
Abstract
Objectives Multiomics study was conducted to elucidate the crucial molecular mechanisms of primary Sjögren’s syndrome (SS) pathology. Methods We generated multiple data set from well-defined patients with SS, which includes whole-blood transcriptomes, serum proteomes and peripheral immunophenotyping. Based on our newly generated data, we performed an extensive bioinformatic investigation. Results Our integrative analysis identified SS gene signatures (SGS) dysregulated in widespread omics layers, including epigenomes, mRNAs and proteins. SGS predominantly involved the interferon signature and ADAMs substrates. Besides, SGS was significantly overlapped with SS-causing genes indicated by a genome-wide association study and expression trait loci analyses. Combining the molecular signatures with immunophenotypic profiles revealed that cytotoxic CD8 T cells were associated with SGS. Further, we observed the activation of SGS in cytotoxic CD8 T cells isolated from patients with SS. Conclusions Our multiomics investigation identified gene signatures deeply associated with SS pathology and showed the involvement of cytotoxic CD8 T cells. These integrative relations across multiple layers will facilitate our understanding of SS at the system level.
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Affiliation(s)
- Shinya Tasaki
- Integrated Technology Research Laboratories, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan.,Rush University Medical Center, Rush Alzheimer's Disease Center, Chicago, Illinois, USA
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Ayumi Nishikawa
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yoshiaki Kassai
- Immunology Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan
| | - Maiko Takiguchi
- Immunology Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan
| | - Rina Kurisu
- Immunology Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan
| | - Yuumi Okuzono
- Immunology Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan
| | - Takahiro Miyazaki
- Immunology Unit, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan.,Nektar Therapeutics, San Francisco, California, USA
| | - Masaru Takeshita
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Keiko Yoshimoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Hidekata Yasuoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Kunihiro Yamaoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Kazuhiro Ikeura
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Kazuyuki Tsunoda
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Rimpei Morita
- Department of Microbiology and Immunology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Akihiko Yoshimura
- Department of Microbiology and Immunology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Hiroyoshi Toyoshiba
- Integrated Technology Research Laboratories, Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Fujisawa City, Kanagawa, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
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Shipman WD, Dasoveanu DC, Lu TT. Tertiary lymphoid organs in systemic autoimmune diseases: pathogenic or protective? F1000Res 2017; 6:196. [PMID: 28344775 PMCID: PMC5333609 DOI: 10.12688/f1000research.10595.1] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/22/2017] [Indexed: 12/14/2022] Open
Abstract
Tertiary lymphoid organs are found at sites of chronic inflammation in autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. These organized accumulations of T and B cells resemble secondary lymphoid organs and generate autoreactive effector cells. However, whether they contribute to disease pathogenesis or have protective functions is unclear. Here, we discuss how tertiary lymphoid organs can generate potentially pathogenic cells but may also limit the extent of the response and damage in autoimmune disease.
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Affiliation(s)
- William D. Shipman
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, USA
- Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, NY, USA
| | - Dragos C. Dasoveanu
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
- Physiology, Biophysics, and Systems Biology Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, USA
| | - Theresa T. Lu
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY, USA
- Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, NY, USA
- Pediatric Rheumatology, Hospital for Special Surgery, New York, NY, USA
- Department of Microbiology and Immunology, Weill Cornell Medical College, New York, NY, USA
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40
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Innate lymphoid cells in autoimmunity: emerging regulators in rheumatic diseases. Nat Rev Rheumatol 2017; 13:164-173. [PMID: 28148916 DOI: 10.1038/nrrheum.2016.218] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Innate lymphoid cells (ILCs) are important in the regulation of barrier homeostasis. These cells do not express T cell receptors but share many functional similarities with T helper cells and cytotoxic CD8+ T lymphocytes. ILCs are divided into three groups, namely group 1 ILCs, group 2 ILCs and group 3 ILCs, based on the transcription factors they depend on for their development and function, and the cytokines they produce. Emerging data indicate that ILCs not only have protective functions but can also have detrimental effects when dysregulated, leading to chronic inflammation and autoimmune diseases, including asthma, inflammatory bowel disease, graft-versus-host disease, psoriasis, rheumatoid arthritis and atopic dermatitis. Elucidation of the cytokine pathways involved in various autoimmune diseases - and the identification of ILCs as potent producers of these cytokines - points towards a potential role for these cellular players in the pathophysiology of these diseases. In this Review we discuss the current knowledge of the role of ILCs in the pathogenesis of rheumatic and other autoimmune diseases.
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Abstract
Primary Sjögren's syndrome (SS) is a common chronic autoimmune disease characterized by lymphocytic infiltration of exocrine glands, mainly salivary and lacrimal, resulting in oral and ocular dryness, although virtually any organ system can be affected. SS-related systemic manifestations are classified as either related to the presence of periepithelial infiltrates in exocrine and parenchymal organs or resulting from immunocomplex deposition due to B cell hyperactivity with increased risk for B cell lymphoma development. Activation of both innate and adaptive immune pathways contributes to disease pathogenesis, with prominent interferon (IFN) signatures identified in both peripheral blood and affected salivary gland tissues. Recently, LINE-1 genomic repeat elements have been proposed as potential triggers of type I IFN pathway activation in SS through activation of Toll-like receptor-dependent and -independent pathways. In view of the increasingly appreciated variability of SS, elucidation of distinct operating pathways in relation to diverse clinical phenotypes and selection of the optimal therapeutic intervention remain major challenges. Inhibition of cathepsin S molecules, blockade of costimulation through administration of abatacept and inhibitors of B7-related molecules and CD40, blockade of B cell function and B cell survival factors, and disruption of the formation of ectopic germinal centers are considered the main therapeutic targets. Well-controlled multicenter clinical trials are ongoing and data are awaited.
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Affiliation(s)
- Clio P Mavragani
- Department of Physiology, School of Medicine and Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Athens, Greece;
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42
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Haskett S, Ding J, Zhang W, Thai A, Cullen P, Xu S, Petersen B, Kuznetsov G, Jandreski L, Hamann S, Reynolds TL, Allaire N, Zheng TS, Mingueneau M. Identification of Novel CD4+ T Cell Subsets in the Target Tissue of Sjögren's Syndrome and Their Differential Regulation by the Lymphotoxin/LIGHT Signaling Axis. THE JOURNAL OF IMMUNOLOGY 2016; 197:3806-3819. [PMID: 27815440 DOI: 10.4049/jimmunol.1600407] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 09/11/2016] [Indexed: 12/14/2022]
Abstract
Despite being one of the most common rheumatologic diseases, there is still no disease-modifying drug for primary Sjögren's syndrome (pSS). Advancing our knowledge of the target tissue has been limited by the low dimensionality of histology techniques and the small size of human salivary gland biopsies. In this study, we took advantage of a molecularly validated mouse model of pSS to characterize tissue-infiltrating CD4+ T cells and their regulation by the lymphotoxin/LIGHT signaling axis. Novel cell subsets were identified by combining highly dimensional flow and mass cytometry with transcriptomic analyses. Pharmacologic modulation of the LTβR signaling pathway was achieved by treating mice with LTβR-Ig, a therapeutic intervention currently being tested in pSS patients (Baminercept trial NCT01552681). Using these approaches, we identified two novel CD4+ T cell subsets characterized by high levels of PD1: Prdm1+ effector regulatory T cells expressing immunoregulatory factors, such as Il10, Areg, Fgl2, and Itgb8, and Il21+ effector conventional T cells expressing a pathogenic transcriptional signature. Mirroring these observations in mice, large numbers of CD4+PD1+ T cells were detected in salivary glands from Sjögren's patients but not in normal salivary glands or kidney biopsies from lupus nephritis patients. Unexpectedly, LTβR-Ig selectively halted the recruitment of PD1- naive, but not PD1+, effector T cells to the target tissue, leaving the cells with pathogenic potential unaffected. Altogether, this study revealed new cellular players in pSS pathogenesis, their transcriptional signatures, and differential dependency on the lymphotoxin/LIGHT signaling axis that help to interpret the negative results of the Baminercept trial and will guide future therapeutic interventions.
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Affiliation(s)
| | - Jian Ding
- Immunology Research, Biogen, Cambridge, MA 02142
| | - Wei Zhang
- Immunology Research, Biogen, Cambridge, MA 02142
| | - Alice Thai
- Immunology Research, Biogen, Cambridge, MA 02142
| | | | - Shanqin Xu
- Immunology Research, Biogen, Cambridge, MA 02142
| | | | | | | | | | | | - Norm Allaire
- Immunology Research, Biogen, Cambridge, MA 02142
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43
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Dasoveanu DC, Shipman WD, Chia JJ, Chyou S, Lu TT. Regulation of Lymph Node Vascular-Stromal Compartment by Dendritic Cells. Trends Immunol 2016; 37:764-777. [PMID: 27638128 DOI: 10.1016/j.it.2016.08.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/15/2016] [Accepted: 08/22/2016] [Indexed: 12/24/2022]
Abstract
During normal and pathologic immune responses, lymph nodes can swell considerably. The lymph node vascular-stromal compartment supports and regulates the developing immune responses and undergoes dynamic expansion and remodeling. Recent studies have shown that dendritic cells (DCs), best known for their antigen presentation roles, can directly regulate the vascular-stromal compartment, pointing to a new perspective on DCs as facilitators of lymphoid tissue function. Here, we review the phases of lymph node vascular-stromal growth and remodeling during immune responses, discuss the roles of DCs, and discuss how this understanding can potentially be used for developing novel therapeutic approaches.
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Affiliation(s)
- Dragos C Dasoveanu
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY 10021, USA; Physiology, Biophysics and Systems Biology Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA
| | - William D Shipman
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY 10021, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA; Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, NY 10065, USA
| | - Jennifer J Chia
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY 10021, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA; Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, NY 10065, USA
| | - Susan Chyou
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY 10021, USA
| | - Theresa T Lu
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, NY 10021, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065, USA; Pediatric Rheumatology, Hospital for Special Surgery, New York, NY 10021, USA; Department of Microbiology and Immunology, Weill Cornell Medical College, New York, NY 10065, USA.
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44
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Bolstad AI, Skarstein K. Epidemiology of Sjögren's Syndrome-from an Oral Perspective. CURRENT ORAL HEALTH REPORTS 2016; 3:328-336. [PMID: 27891302 PMCID: PMC5104792 DOI: 10.1007/s40496-016-0112-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Oral symptoms are among the most distressing manifestations for patients with Sjögren's syndrome (SS). The feeling of dry mouth is unpleasant, and hyposalivation may contribute to difficulty in speaking, chewing and swallowing and reduced quality of life. Reduced salivary flow increases the risk for dental caries and problems with prosthetic replacement. It seems that SS is not as frequently occurring as previously anticipated. Population-based prevalence studies on primary SS in Europe, conducted on large background populations and in accordance with the AECG criteria, reported of a prevalence of 1-9 cases per 10,000 people. This gives a combined prevalence of nearly 39/100,000 (~0.04 %). The cause of Sjögren's syndrome is even now not fully understood, and the treatment of oral symptoms is still mostly palliative. Hopefully, useful information will appear from the new methods that are now available for genome wide association studies, epigenetics, DNA methylation studies, and proteomics. Similarly, this is anticipated for the immunological side of the story. The interferon signature, the interferon γ/interferon α mRNA ratio, and CXCL13 are among the proposed biomarkers of active disease. In this review, we provide an update on oral aspects of Sjögren's syndrome with emphasis on the latest publications on these topics.
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Affiliation(s)
- Anne Isine Bolstad
- Department of Clinical Dentistry, Faculty of Medicine and Dentistry, University of Bergen, Årstadveien 19, N-5009 Bergen, Norway
| | - Kathrine Skarstein
- Gade Laboratory for Pathology, Department of Clinical Medicine, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
- Department of Pathology, Haukeland University Hospital, N-5021 Bergen, Norway
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45
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Olivier BJ, Cailotto C, van der Vliet J, Knippenberg M, Greuter MJ, Hilbers FW, Konijn T, Te Velde AA, Nolte MA, Boeckxstaens GE, de Jonge WJ, Mebius RE. Vagal innervation is required for the formation of tertiary lymphoid tissue in colitis. Eur J Immunol 2016; 46:2467-2480. [PMID: 27457277 DOI: 10.1002/eji.201646370] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 06/07/2016] [Accepted: 07/19/2016] [Indexed: 01/20/2023]
Abstract
Tertiary lymphoid tissue (TLT) is lymphoid tissue that forms in adult life as a result of chronic inflammation in a tissue or organ. TLT has been shown to form in a variety of chronic inflammatory diseases, though it is not clear if and how TLT develops in the inflamed colon during inflammatory bowel disease. Here, we show that TLT develops as newly formed lymphoid tissue in the colon following dextran sulphate sodium induced colitis in C57BL/6 mice, where it can be distinguished from the preexisting colonic patches and solitary intestinal lymphoid tissue. TLT in the inflamed colon develops following the expression of lymphoid tissue-inducing chemokines and adhesion molecules, such as CXCL13 and VCAM-1, respectively, which are produced by stromal organizer cells. Surprisingly, this process of TLT formation was independent of the lymphotoxin signaling pathway, but rather under neuronal control, as we demonstrate that selective surgical ablation of vagus nerve innervation inhibits CXCL13 expression and abrogates TLT formation without affecting colitis. Sympathetic neuron denervation does not affect TLT formation. Hence, we reveal that inflammation in the colon induces the formation of TLT, which is controlled by innervation through the vagus nerve.
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Affiliation(s)
- Brenda J Olivier
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands.,Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands.,Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Academic Medical Center, ,University of Amsterdam, Amsterdam, The Netherlands
| | - Cathy Cailotto
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
| | - Jan van der Vliet
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
| | - Marlene Knippenberg
- Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
| | - Mascha J Greuter
- Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
| | - Francisca W Hilbers
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
| | - Tanja Konijn
- Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
| | - Anje A Te Velde
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
| | - Martijn A Nolte
- Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Academic Medical Center, ,University of Amsterdam, Amsterdam, The Netherlands
| | - Guy E Boeckxstaens
- Translational Research Center for Gastrointestinal Disorders (TARGID), University of Leuven, Department of Gastroenterology, University Hospital Leuven, Leuven, Belgium
| | - Wouter J de Jonge
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands.
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
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46
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McNamee EN, Rivera-Nieves J. Ectopic Tertiary Lymphoid Tissue in Inflammatory Bowel Disease: Protective or Provocateur? Front Immunol 2016; 7:308. [PMID: 27579025 PMCID: PMC4985530 DOI: 10.3389/fimmu.2016.00308] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 07/29/2016] [Indexed: 12/15/2022] Open
Abstract
Organized lymphoid tissues like the thymus first appeared in jawed vertebrates around 500 million years ago and have evolved to equip the host with a network of specialized sites, strategically located to orchestrate strict immune-surveillance and efficient immune responses autonomously. The gut-associated lymphoid tissues maintain a mostly tolerant environment to dampen our responses to daily dietary and microbial products in the intestine. However, when this homeostasis is perturbed by chronic inflammation, the intestine is able to develop florid organized tertiary lymphoid tissues (TLT), which heralds the onset of regional immune dysregulation. While TLT are a pathologic hallmark of Crohn's disease (CD), their role in the overall process remains largely enigmatic. A critical question remains; are intestinal TLT generated by the immune infiltrated intestine to modulate immune responses and rebuild tolerance to the microbiota or are they playing a more sinister role by generating dysregulated responses that perpetuate disease? Herein, we discuss the main theories of intestinal TLT neogenesis and focus on the most recent findings that open new perspectives to their role in inflammatory bowel disease.
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Affiliation(s)
- Eóin N McNamee
- Mucosal Inflammation Program, Department of Anesthesiology, School of Medicine, University of Colorado - Anschutz Medical Campus , Aurora, CO , USA
| | - Jesús Rivera-Nieves
- Division of Gastroenterology, Inflammatory Bowel Disease Center, San Diego VAMC, University of California San Diego , La Jolla, CA , USA
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47
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Hua J, Stevenson W, Dohlman TH, Inomata T, Tahvildari M, Calcagno N, Pirmadjid N, Sadrai Z, Chauhan SK, Dana R. Graft Site Microenvironment Determines Dendritic Cell Trafficking Through the CCR7-CCL19/21 Axis. Invest Ophthalmol Vis Sci 2016; 57:1457-67. [PMID: 27031839 PMCID: PMC4819620 DOI: 10.1167/iovs.15-17551] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
PURPOSE The graft site microenvironment has a profound effect on alloimmunity and graft survival. We aimed to study the kinetics and phenotype of trafficking antigen-presenting cells (APC) to the draining lymph nodes (DLNs) in a mouse model of corneal transplantation, and to evaluate the homing mechanisms through which graft site inflammation controls APC trafficking. METHODS Allogeneic donor corneas were transplanted onto inflamed or quiescent graft beds. Host- (YAe+) and donor (CD45.1+ or eGFP+)-derived APCs were analyzed by flow cytometry. Protein and mRNA expression of the CC chemokine receptor (CCR)7 ligands CCL19 and CCL21 were assessed using ELISA and Real-Time qPCR, respectively. Transwell migration assay was performed to assess the effect of DLNs isolated from hosts with inflamed graft beds on mature bone marrow-derived dendritic cells (BMDCs). RESULTS We found that inflamed graft sites greatly promote the trafficking of both recipient- and graft-derived APCs, in particular mature CCR7+ CD11c+ dendritic cells (DC). CCL19 and CCL21 were expressed at significantly higher levels in the DLNs of recipients with inflamed graft beds. The supernatant of DLNs from recipients with inflamed graft beds induced a marked increase in mature DC migration compared with supernatant from recipients with quiescent graft beds in a transwell assay. This effect was abolished by neutralizing CCL19 or CCL21. These data suggest that graft site inflammation increases the expression of CCR7 ligands in the DLNs, which promote mature DC homing and allorejection. CONCLUSIONS We conclude that the graft site microenvironment plays a critical role in alloimmunity by determining DC trafficking through the CCR7-CCL19/21 axis.
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48
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Ding J, Zhang W, Haskett S, Pellerin A, Xu S, Petersen B, Jandreski L, Hamann S, Reynolds TL, Zheng TS, Mingueneau M. BAFF overexpression increases lymphocytic infiltration in Sjögren's target tissue, but only inefficiently promotes ectopic B-cell differentiation. Clin Immunol 2016; 169:69-79. [PMID: 27352977 DOI: 10.1016/j.clim.2016.06.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/19/2016] [Accepted: 06/23/2016] [Indexed: 12/28/2022]
Abstract
B-cell activating factor (BAFF) levels are increased in rheumatoid arthritis, lupus and primary Sjögren's syndrome (pSS). However, BAFF contribution to pathogenesis is not completely understood. In pSS, immune infiltration of the salivary and lacrimal glands leads to xerostomia and xerophtalmia. Glandular B cell hyperactivation, differentiation into germinal center (GC)-like structures and plasma cell accumulation are histopathological hallmarks that were attributed to increased BAFF. Here, we experimentally tested this hypothesis by overexpressing BAFF in a mouse model of pSS. BAFF overexpression enhanced lymphocytic infiltration and MHCII expression on B cells. Increased BAFF also induced B cell differentiation into GC B cells within the autoimmune target tissue. However, even in these conditions, GC B cells only accounted for <1% of glandular B cells, demonstrating that BAFF is not efficiently promoting ectopic GC formation in pSS and warranting further investigation of therapeutics targeting both BAFF and the related TNF-family member APRIL.
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Affiliation(s)
- Jian Ding
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Wei Zhang
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Scott Haskett
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Alex Pellerin
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Shanqin Xu
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Britta Petersen
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Luke Jandreski
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Stefan Hamann
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Taylor L Reynolds
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Timothy S Zheng
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States
| | - Michael Mingueneau
- Immunology Research, Biogen, 115 Broadway, Cambridge, MA 02142, United States.
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49
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Umazume T, Thomas WM, Campbell S, Aluri H, Thotakura S, Zoukhri D, Makarenkova HP. Lacrimal Gland Inflammation Deregulates Extracellular Matrix Remodeling and Alters Molecular Signature of Epithelial Stem/Progenitor Cells. Invest Ophthalmol Vis Sci 2016; 56:8392-402. [PMID: 26747770 DOI: 10.1167/iovs.15-17477] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
PURPOSE The adult lacrimal gland (LG) is highly regenerative and is able to repair itself even after substantial damage; however, this ability to regenerate is lost with the development of dry eye conditions in chronically inflamed LGs.This study compares changes in the cell adhesion and cell matrix molecules and stem cell transcription factors in the LGs of healthy mice and of two mouse models of Sjögren's syndrome: nonobese diabetic (NOD) and MRL-lpr/lpr (MRL/lpr) mice during the early stage of inflammation. METHODS The LGs from 12- to 13-week-old female MRL/lpr and male NOD mice along with their respective control strains were harvested and divided into three pieces and processed for quantitative (q) RT-PCR and qRT-PCR Arrays, histology, immunohistochemistry, and Western blotting. RESULTS The extracellular matrix (ECM) and adhesion molecules RT2-PCR array combined with protein expression data revealed changes in the expression of integrins, matrix metalloproteinases, and other molecules, which are associated largely with invasion, attachment, and expansion of the lymphocytic cells, whereas changes in the stem cell transcription factors revealed substantial decrease in expression of transcription factors associated with epithelial stem/progenitor cell lineage. CONCLUSIONS We concluded that the expression of several important ECM components is significantly deregulated in the LG of two murine models of Sjögren's syndrome, suggesting an alteration of the epithelial stem/progenitor cell niche. This may result in profound effects on localization, activation, proliferation, and differentiation of the LG stem/progenitor cells and, therefore, LG regeneration.
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Affiliation(s)
- Takeshi Umazume
- Department of Cell and Molecular Biology The Scripps Research Institute, La Jolla, California, United States
| | - William M Thomas
- Department of Cell and Molecular Biology The Scripps Research Institute, La Jolla, California, United States
| | - Sabrina Campbell
- Department of Cell and Molecular Biology The Scripps Research Institute, La Jolla, California, United States
| | - Hema Aluri
- Department of Diagnosis and Health Promotion, Tufts University School of Dental Medicine, Boston, Massachusetts, United States
| | - Suharika Thotakura
- Department of Diagnosis and Health Promotion, Tufts University School of Dental Medicine, Boston, Massachusetts, United States
| | - Driss Zoukhri
- Department of Diagnosis and Health Promotion, Tufts University School of Dental Medicine, Boston, Massachusetts, United States
| | - Helen P Makarenkova
- Department of Cell and Molecular Biology The Scripps Research Institute, La Jolla, California, United States
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Sharma A, Kiripolsky J, Klimatcheva E, Howell A, Fereidouni F, Levenson R, Rothstein TL, Kramer JM. Early BAFF receptor blockade mitigates murine Sjögren's syndrome: Concomitant targeting of CXCL13 and the BAFF receptor prevents salivary hypofunction. Clin Immunol 2016; 164:85-94. [PMID: 26826598 DOI: 10.1016/j.clim.2016.01.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 01/23/2016] [Accepted: 01/25/2016] [Indexed: 12/28/2022]
Abstract
Sjögren's syndrome (SS) is a debilitating autoimmune disease. Patients with SS may develop xerostomia. This process is progressive, and there are no therapeutics that target disease etiology. We hypothesized BAFF receptor (BAFFR) blockade would mitigate SS disease development, and neutralization of CXCL13 and BAFF signaling would be more efficacious than BAFFR blockade alone. We treated NOD/ShiLtJ SS mice with soluble BAFF receptor (BAFFR-Fc) or anti-CXCL13/BAFFR-Fc in combination, prior to the development of clinical disease. Our results show treatment with BAFFR-Fc reduced peripheral B cell numbers and decreased sialadenitis. In addition, this treatment reduced total serum immunoglobulin as well as IgG and IgM specific anti-nuclear autoantibodies. NOD/ShiLtJ mice treated with BAFFR-Fc and anti-CXCL13 antibody were protected from salivary deficits. Results from this study suggest blockade of CXCL13 and BAFFR together may be an effective therapeutic strategy in preventing salivary hypofunction and reducing autoantibody titers and sialadenitis in patients with SS.
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Affiliation(s)
- Arjun Sharma
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214
| | - Jeremy Kiripolsky
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214
| | | | | | - Farzad Fereidouni
- Department of Pathology and Laboratory Medicine, UC Davis Medical Center, Sacramento, CA 95817
| | - Richard Levenson
- Department of Pathology and Laboratory Medicine, UC Davis Medical Center, Sacramento, CA 95817
| | - Thomas L Rothstein
- Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, NY 11030.,Department of Molecular Medicine, School of Medicine, Manhasset, NY 11030.,Department of Medicine, Hofstra North Shore-LIJ, School of Medicine, Manhasset, NY 11030
| | - Jill M Kramer
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, The State University of New York, Buffalo, NY USA 14214.,Center for Oncology and Cell Biology, The Feinstein Institute for Medical Research, Manhasset, NY 11030.,Department of Molecular Medicine, School of Medicine, Manhasset, NY 11030.,Department of Dental Medicine, Division of Oral and Maxillofacial Pathology, North Shore-LIJ Health System, Manhasset, NY 11030
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