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Alshoubaki YK, Nayer B, Lu YZ, Salimova E, Lau SN, Tan JL, Amann-Zalcenstein D, Hickey PF, Del Monte-Nieto G, Vasanthakumar A, Martino MM. Tregs delivered post-myocardial infarction adopt an injury-specific phenotype promoting cardiac repair via macrophages in mice. Nat Commun 2024; 15:6480. [PMID: 39090108 PMCID: PMC11294480 DOI: 10.1038/s41467-024-50806-y] [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: 10/30/2023] [Accepted: 07/22/2024] [Indexed: 08/04/2024] Open
Abstract
Regulatory T cells (Tregs) are key immune regulators that have shown promise in enhancing cardiac repair post-MI, although the mechanisms remain elusive. Here, we show that rapidly increasing Treg number in the circulation post-MI via systemic administration of exogenous Tregs improves cardiac function in male mice, by limiting cardiomyocyte death and reducing fibrosis. Mechanistically, exogenous Tregs quickly home to the infarcted heart and adopt an injury-specific transcriptome that mediates repair by modulating monocytes/macrophages. Specially, Tregs lead to a reduction in pro-inflammatory Ly6CHi CCR2+ monocytes/macrophages accompanied by a rapid shift of macrophages towards a pro-repair phenotype. Additionally, exogenous Treg-derived factors, including nidogen-1 and IL-10, along with a decrease in cardiac CD8+ T cell number, mediate the reduction of the pro-inflammatory monocyte/macrophage subset in the heart. Supporting the pivotal role of IL-10, exogenous Tregs knocked out for IL-10 lose their pro-repair capabilities. Together, this study highlights the beneficial use of a Treg-based therapeutic approach for cardiac repair with important mechanistic insights that could facilitate the development of novel immunotherapies for MI.
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Affiliation(s)
- Yasmin K Alshoubaki
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
| | - Bhavana Nayer
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
| | - Yen-Zhen Lu
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
| | | | - Sin Nee Lau
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
| | - Jean L Tan
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
| | - Daniela Amann-Zalcenstein
- Advanced Genomics Facility, Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Australia
| | - Peter F Hickey
- Advanced Genomics Facility, Advanced Technology and Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Australia
| | - Gonzalo Del Monte-Nieto
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia
- Victorian Heart Institute, Monash University, Victorian Heart Hospital, Melbourne, Australia
| | - Ajithkumar Vasanthakumar
- Olivia Newton-John Cancer Research Institute, Heidelberg, Australia
- La Trobe University, Bundoora, Australia
- Department of Microbiology and Immunology, University of Melbourne, Melbourne, Australia
| | - Mikaël M Martino
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, Australia.
- Victorian Heart Institute, Monash University, Victorian Heart Hospital, Melbourne, Australia.
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Verma S, Bradley MC, Gray J, Dogra P, Caron DP, Maurrasse S, Grunstein E, Waldman E, Jang M, Pethe K, Farber DL, Connors TJ. Distinct Localization, Transcriptional Profiles, and Functionality in Early Life Tonsil Regulatory T Cells. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:306-316. [PMID: 38905110 PMCID: PMC11304551 DOI: 10.4049/jimmunol.2300890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 05/27/2024] [Indexed: 06/23/2024]
Abstract
CD4+ regulatory T cells (Tregs) are key orchestrators of the immune system, fostering the establishment of protective immunity while preventing deleterious responses. Infancy and childhood are crucial periods of rapid immunologic development, but how Tregs mediate immune responses at these earliest timepoints of human life is poorly understood. In this study, we compare blood and tissue (tonsil) Tregs across pediatric and adult subjects to investigate age-related differences in Treg biology. We observed increased FOXP3 expression and proportions of Tregs in tonsil compared with paired blood samples in children. Within tonsil, early life Tregs accumulated in extrafollicular regions with cellular interactions biased toward CD8+ T cells. Tonsil Tregs in both children and adults expressed transcriptional profiles enriched for lineage defining signatures and canonical functionality compared with blood, suggesting tissue as the primary site of Treg activity. Early life tonsil Tregs transcriptional profiles were further defined by pathways associated with activation, proliferation, and polyfunctionality. Observed differences in pediatric tonsil Treg transcriptional signatures were associated with phenotypic differences, high proliferative capacity, and robust production of IL-10 compared with adult Tregs. These results identify tissue as a major driver of Treg identity, provide new insights into developmental differences in Treg biology across the human lifespan, and demonstrate unique functional properties of early life Tregs.
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Affiliation(s)
- Shivali Verma
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Marissa C Bradley
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Joshua Gray
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Pranay Dogra
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Daniel P Caron
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Sarah Maurrasse
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Eli Grunstein
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Erik Waldman
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Minyoung Jang
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Kalpana Pethe
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Donna L Farber
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
- Department of Surgery, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Thomas J Connors
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
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Simon M, Stüve P, Schmidleithner L, Bittner S, Beumer N, Strieder N, Schmidl C, Pant A, Gebhard C, Eigenberger A, Rehli M, Prantl L, Hehlgans T, Brors B, Imbusch CD, Delacher M, Feuerer M. Single-cell chromatin accessibility and transposable element landscapes reveal shared features of tissue-residing immune cells. Immunity 2024:S1074-7613(24)00321-2. [PMID: 39047731 DOI: 10.1016/j.immuni.2024.06.015] [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: 10/02/2023] [Revised: 03/12/2024] [Accepted: 06/28/2024] [Indexed: 07/27/2024]
Abstract
Tissue adaptation is required for regulatory T (Treg) cell function within organs. Whether this program shares aspects with other tissue-localized immune populations is unclear. Here, we analyzed single-cell chromatin accessibility data, including the transposable element (TE) landscape of CD45+ immune cells from colon, skin, adipose tissue, and spleen. We identified features of organ-specific tissue adaptation across different immune cells. Focusing on tissue Treg cells, we found conservation of the Treg tissue adaptation program in other tissue-localized immune cells, such as amphiregulin-producing T helper (Th)17 cells. Accessible TEs can act as regulatory elements, but their contribution to tissue adaptation is not understood. TE landscape analysis revealed an enrichment of specific transcription factor binding motifs in TE regions within accessible chromatin peaks. TEs, specifically from the LTR family, were located in enhancer regions and associated with tissue adaptation. These findings broaden our understanding of immune tissue residency and provide an important step toward organ-specific immune interventions.
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Affiliation(s)
- Malte Simon
- Division of Applied Bioinformatics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany; Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Philipp Stüve
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Lisa Schmidleithner
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Sebastian Bittner
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Niklas Beumer
- Division of Applied Bioinformatics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany; DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, 68167 Mannheim, Germany; Division of Personalized Medical Oncology, DKFZ, 69120 Heidelberg, Germany; Department of Personalized Oncology, University Hospital Mannheim, Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | | | | | - Asmita Pant
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Claudia Gebhard
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany
| | - Andreas Eigenberger
- Department of Plastic, Hand, and Reconstructive Surgery, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Michael Rehli
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Department of Internal Medicine III, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Lukas Prantl
- Department of Plastic, Hand, and Reconstructive Surgery, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Thomas Hehlgans
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany
| | - Benedikt Brors
- Division of Applied Bioinformatics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany; German Cancer Consortium (DKTK), DKFZ, 69120 Heidelberg, Germany; Medical Faculty Heidelberg and Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany
| | - Charles D Imbusch
- Division of Applied Bioinformatics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Michael Delacher
- Institute of Immunology, University Medical Center Mainz, 55131 Mainz, Germany; Research Center for Immunotherapy, University Medical Center Mainz, 55131 Mainz, Germany
| | - Markus Feuerer
- Leibniz Institute for Immunotherapy, 93053 Regensburg, Germany; Chair for Immunology, University Regensburg, 93053 Regensburg, Germany.
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Graham JP, Zhang Y, He L, Gonzalez-Fernandez T. CRISPR-GEM: A Novel Machine Learning Model for CRISPR Genetic Target Discovery and Evaluation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.01.601587. [PMID: 39005295 PMCID: PMC11244939 DOI: 10.1101/2024.07.01.601587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
CRISPR gene editing strategies are shaping cell therapies through precise and tunable control over gene expression. However, achieving reliable therapeutic effects with improved safety and efficacy requires informed target gene selection. This depends on a thorough understanding of the involvement of target genes in gene regulatory networks (GRNs) that regulate cell phenotype and function. Machine learning models have been previously used for GRN reconstruction using RNA-seq data, but current techniques are limited to single cell types and focus mainly on transcription factors. This restriction overlooks many potential CRISPR target genes, such as those encoding extracellular matrix components, growth factors, and signaling molecules, thus limiting the applicability of these models for CRISPR strategies. To address these limitations, we have developed CRISPR-GEM, a multi-layer perceptron (MLP)-based synthetic GRN constructed to accurately predict the downstream effects of CRISPR gene editing. First, input and output nodes are identified as differentially expressed genes between defined experimental and target cell/tissue types respectively. Then, MLP training learns regulatory relationships in a black-box approach allowing accurate prediction of output gene expression using only input gene expression. Finally, CRISPR-mimetic perturbations are made to each input gene individually and the resulting model predictions are compared to those for the target group to score and assess each input gene as a CRISPR candidate. The top scoring genes provided by CRISPR-GEM therefore best modulate experimental group GRNs to motivate transcriptomic shifts towards a target group phenotype. This machine learning model is the first of its kind for predicting optimal CRISPR target genes and serves as a powerful tool for enhanced CRISPR strategies across a range of cell therapies.
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Affiliation(s)
- Josh P Graham
- Department of Bioengineering, Lehigh University, Bethlehem, PA, USA
| | - Yu Zhang
- Department of Bioengineering, Lehigh University, Bethlehem, PA, USA
- Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, PA, USA
| | - Lifang He
- Department of Computer Science and Engineering, Lehigh University, Bethlehem, PA, USA
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de Winter N, Ji J, Sintou A, Forte E, Lee M, Noseda M, Li A, Koenig AL, Lavine KJ, Hayat S, Rosenthal N, Emanueli C, Srivastava PK, Sattler S. Persistent transcriptional changes in cardiac adaptive immune cells following myocardial infarction: New evidence from the re-analysis of publicly available single cell and nuclei RNA-sequencing data sets. J Mol Cell Cardiol 2024; 192:48-64. [PMID: 38734060 DOI: 10.1016/j.yjmcc.2024.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 03/17/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024]
Abstract
INTRODUCTION Chronic immunopathology contributes to the development of heart failure after a myocardial infarction. Both T and B cells of the adaptive immune system are present in the myocardium and have been suggested to be involved in post-MI immunopathology. METHODS We analyzed the B and T cell populations isolated from previously published single cell RNA-sequencing data sets (PMID: 32130914, PMID: 35948637, PMID: 32971526 and PMID: 35926050), of the mouse and human heart, using differential expression analysis, functional enrichment analysis, gene regulatory inferences, and integration with autoimmune and cardiovascular GWAS. RESULTS Already at baseline, mature effector B and T cells are present in the human and mouse heart, having increased activity in transcription factors maintaining tolerance (e.g. DEAF1, JDP2, SPI-B). Following MI, T cells upregulate pro-inflammatory transcript levels (e.g. Cd11, Gzmk, Prf1), while B cells upregulate activation markers (e.g. Il6, Il1rn, Ccl6) and collagen (e.g. Col5a2, Col4a1, Col1a2). Importantly, pro-inflammatory and fibrotic transcription factors (e.g. NFKB1, CREM, REL) remain active in T cells, while B cells maintain elevated activity in transcription factors related to immunoglobulin production (e.g. ERG, REL) in both mouse and human post-MI hearts. Notably, genes differentially expressed in post-MI T and B cells are associated with cardiovascular and autoimmune disease. CONCLUSION These findings highlight the varied and time-dependent dynamic roles of post-MI T and B cells. They appear ready-to-go and are activated immediately after MI, thus participate in the acute wound healing response. However, they subsequently remain in a state of pro-inflammatory activation contributing to persistent immunopathology.
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Affiliation(s)
- Natasha de Winter
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom
| | - Jiahui Ji
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom
| | - Amalia Sintou
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom
| | - Elvira Forte
- The Jackson Laboratory, Bar Harbor, United States
| | - Michael Lee
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom
| | - Michela Noseda
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom; British Heart Foundation Centre For Research Excellence, Imperial College London, United Kingdom
| | - Aoxue Li
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom; Department of Medicine Solna, Division of Cardiovascular Medicine, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Andrew L Koenig
- Center for Cardiovascular Research, Department of Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, MO, United States
| | - Kory J Lavine
- Center for Cardiovascular Research, Department of Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, MO, United States
| | | | - Nadia Rosenthal
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom; The Jackson Laboratory, Bar Harbor, United States
| | - Costanza Emanueli
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom; British Heart Foundation Centre For Research Excellence, Imperial College London, United Kingdom
| | - Prashant K Srivastava
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom
| | - Susanne Sattler
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, United Kingdom; Department of Cardiology, Medical University of Graz, Austria; Division of Pharmacology, Otto Loewi Research Center, Medical University of Graz, Austria.
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Theune WC, Chen J, Theune EV, Ye X, Ménoret A, Vella AT, Wang K. Interleukin-17 directly stimulates tumor infiltrating Tregs to prevent cancer development. Front Immunol 2024; 15:1408710. [PMID: 38947320 PMCID: PMC11211274 DOI: 10.3389/fimmu.2024.1408710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024] Open
Abstract
Background Interleukin-17 (IL-17) family cytokines promote protective inflammation for pathogen resistance, but also facilitate autoimmunity and tumor development. A direct signal of IL-17 to regulatory T cells (Tregs) has not been reported and may help explain these dichotomous responses. Methods We generated a conditional knockout of Il17ra in Tregs by crossing Foxp3-YFP-Cre mice to Il17ra-flox mice (Il17ra ΔTreg mice). Subsequently, we adoptively transferred bone marrow cells from Il17ra ΔTreg mice to a mouse model of sporadic colorectal cancer (Cdx2-Cre +/Apc F/+), to selectively ablate IL-17 direct signaling on Tregs in colorectal cancer. Single cell RNA sequencing and bulk RNA sequencing were performed on purified Tregs from mouse colorectal tumors, and compared to those of human tumor infiltrating Treg cells. Results IL-17 Receptor A (IL-17RA) is expressed in Tregs that reside in mouse mesenteric lymph nodes and colon tumors. Ablation of IL-17RA, specifically in Tregs, resulted in increased Th17 cells, and exacerbated tumor development. Mechanistically, tumor-infiltrating Tregs exhibit a unique gene signature that is linked to their activation, maturation, and suppression function, and this signature is in part supported by the direct signaling of IL-17 to Tregs. To study pathways of Treg programming, we found that loss of IL-17RA in tumor Tregs resulted in reduced RNA splicing, and downregulation of several RNA binding proteins that are known to regulate alternative splicing and promote Treg function. Conclusion IL-17 directly signals to Tregs and promotes their maturation and function. This signaling pathway constitutes a negative feedback loop that controls cancer-promoting inflammation in CRC.
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Affiliation(s)
- William C. Theune
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Ju Chen
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
- The Eighth Clinical Medical College of Guangzhou University of Chinese Medicine, Foshan Hospital of Traditional Chinese Medicine, Foshan, Guangdong, China
| | - Eileen Victoria Theune
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Xiaoyang Ye
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Antoine Ménoret
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Anthony T. Vella
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Kepeng Wang
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
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Pham JPA, Coronel MM. Unlocking Transplant Tolerance with Biomaterials. Adv Healthc Mater 2024:e2400965. [PMID: 38843866 DOI: 10.1002/adhm.202400965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/31/2024] [Indexed: 07/04/2024]
Abstract
For patients suffering from organ failure due to injury or autoimmune disease, allogeneic organ transplantation with chronic immunosuppression is considered the god standard in terms of clinical treatment. However, the true "holy grail" of transplant immunology is operational tolerance, in which the recipient exhibits a sustained lack of alloreactivity toward unencountered antigen presented by the donor graft. This outcome is resultant from critical changes to the phenotype and genotype of the immune repertoire predicated by the activation of specific signaling pathways responsive to soluble and mechanosensitive cues. Biomaterials have emerged as a medium for interfacing with and reprogramming these endogenous pathways toward tolerance in precise, minimally invasive, and spatiotemporally defined manners. By viewing seminal and contemporary breakthroughs in transplant tolerance induction through the lens of biomaterials-mediated immunomodulation strategies-which include intrinsic material immunogenicity, the depot effect, graft coatings, induction and delivery of tolerogenic immune cells, biomimicry of tolerogenic immune cells, and in situ reprogramming-this review emphasizes the stunning diversity of approaches in the field and spotlights exciting future directions for research to come.
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Affiliation(s)
- John-Paul A Pham
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Elizabeth Caswell Diabetes Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - María M Coronel
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Elizabeth Caswell Diabetes Institute, University of Michigan, Ann Arbor, MI, 48109, USA
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Tang Y, Cui G, Liu H, Han Y, Cai C, Feng Z, Shen H, Zeng S. Converting "cold" to "hot": epigenetics strategies to improve immune therapy effect by regulating tumor-associated immune suppressive cells. Cancer Commun (Lond) 2024; 44:601-636. [PMID: 38715348 PMCID: PMC11194457 DOI: 10.1002/cac2.12546] [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: 11/13/2023] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 06/26/2024] Open
Abstract
Significant developments in cancer treatment have been made since the advent of immune therapies. However, there are still some patients with malignant tumors who do not benefit from immunotherapy. Tumors without immunogenicity are called "cold" tumors which are unresponsive to immunotherapy, and the opposite are "hot" tumors. Immune suppressive cells (ISCs) refer to cells which can inhibit the immune response such as tumor-associated macrophages (TAMs), myeloid-derived suppressor cells (MDSCs), regulatory T (Treg) cells and so on. The more ISCs infiltrated, the weaker the immunogenicity of the tumor, showing the characteristics of "cold" tumor. The dysfunction of ISCs in the tumor microenvironment (TME) may play essential roles in insensitive therapeutic reaction. Previous studies have found that epigenetic mechanisms play an important role in the regulation of ISCs. Regulating ISCs may be a new approach to transforming "cold" tumors into "hot" tumors. Here, we focused on the function of ISCs in the TME and discussed how epigenetics is involved in regulating ISCs. In addition, we summarized the mechanisms by which the epigenetic drugs convert immunotherapy-insensitive tumors into immunotherapy-sensitive tumors which would be an innovative tendency for future immunotherapy in "cold" tumor.
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Affiliation(s)
- Yijia Tang
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Guangzu Cui
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Haicong Liu
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Ying Han
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Changjing Cai
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Ziyang Feng
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
| | - Hong Shen
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
- National Clinical Resaerch Center for Geriatric Disorders, Xiangya Hospital, Central South UniversityChangshaHunanChina
| | - Shan Zeng
- Department of OncologyXiangya HospitalCentral South UniversityChangshaHunanP. R. China
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Schulze WJ, Gregory DA, Johnson MC, Lange MJ. Genome-wide CRISPR/Cas9 screen reveals JunB downmodulation of HIV co-receptor CXCR4. Front Microbiol 2024; 15:1342444. [PMID: 38835488 PMCID: PMC11149427 DOI: 10.3389/fmicb.2024.1342444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 04/24/2024] [Indexed: 06/06/2024] Open
Abstract
HIV-1 relies extensively on host cell machinery for replication. Identification and characterization of these host-virus interactions is vital to our understanding of viral replication and the consequences of infection in cells. Several prior screens have identified host factors important for HIV replication but with limited replication of findings, likely due to differences in experimental design and conditions. Thus, unidentified factors likely exist. To identify novel host factors required for HIV-1 infection, we performed a genome-wide CRISPR/Cas9 screen using HIV-induced cell death as a partitioning method. We created a gene knockout library in TZM-GFP reporter cells using GeCKOv2, which targets 19,050 genes, and infected the library with a lethal dose of HIV-1NL4-3. We hypothesized that cells with a knockout of a gene critical for HIV infection would survive while cells with a knockout of a non-consequential gene would undergo HIV-induced death and be lost from the population. Surviving cells were analyzed by high throughput sequencing of the integrated CRISPR/Cas9 cassette to identify the gene knockout. Of the gene targets, an overwhelming majority of the surviving cells harbored the guide sequence for the AP-1 transcription factor family protein, JunB. Upon the generation of a clonal JunB knockout cell line, we found that HIV-1NL4-3 infection was blocked in the absence of JunB. The phenotype resulted from downregulation of CXCR4, as infection levels were recovered by reintroduction of CXCR4 in JunB KO cells. Thus, JunB downmodulates CXCR4 expression in TZM-GFP cells, reducing CXCR4-tropic HIV infection.
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Affiliation(s)
| | | | | | - Margaret J. Lange
- Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, United States
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10
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Ma S, Sandhoff R, Luo X, Shang F, Shi Q, Li Z, Wu J, Ming Y, Schwarz F, Madi A, Weisshaar N, Mieg A, Hering M, Zettl F, Yan X, Mohr K, Ten Bosch N, Li Z, Poschet G, Rodewald HR, Papavasiliou N, Wang X, Gao P, Cui G. Serine enrichment in tumors promotes regulatory T cell accumulation through sphinganine-mediated regulation of c-Fos. Sci Immunol 2024; 9:eadg8817. [PMID: 38640251 DOI: 10.1126/sciimmunol.adg8817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/15/2024] [Indexed: 04/21/2024]
Abstract
CD4+ regulatory T (Treg) cells accumulate in the tumor microenvironment (TME) and suppress the immune system. Whether and how metabolite availability in the TME influences Treg cell differentiation is not understood. Here, we measured 630 metabolites in the TME and found that serine and palmitic acid, substrates required for the synthesis of sphingolipids, were enriched. A serine-free diet or a deficiency in Sptlc2, the rate-limiting enzyme catalyzing sphingolipid synthesis, suppressed Treg cell accumulation and inhibited tumor growth. Sphinganine, an intermediate metabolite in sphingolipid synthesis, physically interacted with the transcription factor c-Fos. Sphinganine c-Fos interactions enhanced the genome-wide recruitment of c-Fos to regions near the transcription start sites of target genes including Pdcd1 (encoding PD-1), which promoted Pdcd1 transcription and increased inducible Treg cell differentiation in vitro in a PD-1-dependent manner. Thus, Sptlc2-mediated sphingolipid synthesis translates the extracellular information of metabolite availability into nuclear signals for Treg cell differentiation and limits antitumor immunity.
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Affiliation(s)
- Sicong Ma
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Roger Sandhoff
- Lipid Pathobiochemistry Group (A411), 69120 Heidelberg, Germany
| | - Xiu Luo
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Fuwei Shang
- Cellular Immunology (D110), German Cancer Research Center, 69120 Heidelberg, Germany
- Faculty of Medicine, Heidelberg University, Heidelberg, Germany
| | - Qiaozhen Shi
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Zhaolong Li
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Jingxia Wu
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Yanan Ming
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
| | - Frank Schwarz
- Core Facility Antibodies (W170), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Alaa Madi
- Immune Diversity (D150), German Cancer Research Center, 69120 Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Nina Weisshaar
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Alessa Mieg
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Marvin Hering
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Ferdinand Zettl
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Xin Yan
- Immune Diversity (D150), German Cancer Research Center, 69120 Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Kerstin Mohr
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Nora Ten Bosch
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Zhe Li
- Division of Pathogenesis of Virus Associated Tumors (F100), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Gernot Poschet
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Hans-Reimer Rodewald
- Cellular Immunology (D110), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Nina Papavasiliou
- Immune Diversity (D150), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Xi Wang
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Pu Gao
- CAS Key Laboratory of Infection and Immunity, CAS Center for Excellence in Biomacromolecules, National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Guoliang Cui
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230601, China
- T Cell Metabolism (D192), German Cancer Research Center, 69120 Heidelberg, Germany
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11
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Swatler J, De Luca M, Rotella I, Lise V, Mazza EMC, Lugli E. CD4+ Regulatory T Cells in Human Cancer: Subsets, Origin, and Molecular Regulation. Cancer Immunol Res 2024; 12:393-399. [PMID: 38562083 DOI: 10.1158/2326-6066.cir-23-0517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/18/2023] [Accepted: 12/20/2023] [Indexed: 04/04/2024]
Abstract
CD4+CD25hiFOXP3+ regulatory T cells (Treg) play major roles in the maintenance of immune tolerance, prevention of inflammation, and tissue homeostasis and repair. In contrast with these beneficial roles, Tregs are abundant in virtually all tumors and have been mechanistically linked to disease progression, metastases development, and therapy resistance. Tregs are thus recognized as a major target for cancer immunotherapy. Compared with other sites in the body, tumors harbor hyperactivated Treg subsets whose molecular characteristics are only beginning to be elucidated. Here, we describe current knowledge of intratumoral Tregs and discuss their potential cellular and tissue origin. Furthermore, we describe currently recognized molecular regulators that drive differentiation and maintenance of Tregs in cancer, with a special focus on those signals regulating their chronic immune activation, with relevant implications for cancer progression and therapy.
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Affiliation(s)
- Julian Swatler
- Laboratory of Translational Immunology, IRCCS Humanitas Research Hospital, Rozzano, Milan
| | - Marco De Luca
- Laboratory of Translational Immunology, IRCCS Humanitas Research Hospital, Rozzano, Milan
| | - Ivano Rotella
- Laboratory of Translational Immunology, IRCCS Humanitas Research Hospital, Rozzano, Milan
| | - Veronica Lise
- Laboratory of Translational Immunology, IRCCS Humanitas Research Hospital, Rozzano, Milan
| | | | - Enrico Lugli
- Laboratory of Translational Immunology, IRCCS Humanitas Research Hospital, Rozzano, Milan
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12
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Herrera-De La Mata S, Ramírez-Suástegui C, Mistry H, Castañeda-Castro FE, Kyyaly MA, Simon H, Liang S, Lau L, Barber C, Mondal M, Zhang H, Arshad SH, Kurukulaaratchy RJ, Vijayanand P, Seumois G. Cytotoxic CD4 + tissue-resident memory T cells are associated with asthma severity. MED 2023; 4:875-897.e8. [PMID: 37865091 PMCID: PMC10964988 DOI: 10.1016/j.medj.2023.09.003] [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: 01/03/2023] [Revised: 07/02/2023] [Accepted: 09/18/2023] [Indexed: 10/23/2023]
Abstract
BACKGROUND Patients with severe uncontrolled asthma represent a distinct endotype with persistent airway inflammation and remodeling that is refractory to corticosteroid treatment. CD4+ TH2 cells play a central role in orchestrating asthma pathogenesis, and biologic therapies targeting their cytokine pathways have had promising outcomes. However, not all patients respond well to such treatment, and their effects are not always durable nor reverse airway remodeling. This observation raises the possibility that other CD4+ T cell subsets and their effector molecules may drive airway inflammation and remodeling. METHODS We performed single-cell transcriptome analysis of >50,000 airway CD4+ T cells isolated from bronchoalveolar lavage samples from 30 patients with mild and severe asthma. FINDINGS We observed striking heterogeneity in the nature of CD4+ T cells present in asthmatics' airways, with tissue-resident memory T (TRM) cells making a dominant contribution. Notably, in severe asthmatics, a subset of CD4+ TRM cells (CD103-expressing) was significantly increased, comprising nearly 65% of all CD4+ T cells in the airways of male patients with severe asthma when compared to mild asthma (13%). This subset was enriched for transcripts linked to T cell receptor activation (HLA-DRB1, HLA-DPA1) and cytotoxicity (GZMB, GZMA) and, following stimulation, expressed high levels of transcripts encoding for pro-inflammatory non-TH2 cytokines (CCL3, CCL4, CCL5, TNF, LIGHT) that could fuel persistent airway inflammation and remodeling. CONCLUSIONS Our findings indicate the need to look beyond the traditional T2 model of severe asthma to better understand the heterogeneity of this disease. FUNDING This research was funded by the NIH.
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Affiliation(s)
| | | | - Heena Mistry
- La Jolla Institute for Immunology, La Jolla, CA 92037, USA; Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK; National Institute for Health Research Southampton Biomedical Research Centre, University Hospital Southampton Foundation Trust, Southampton SO16 6YD, UK; The David Hide Asthma and Allergy Research Centre, St. Mary's Hospital, Newport PO30 5TG, Isle of Wight, UK
| | | | - Mohammad A Kyyaly
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK; The David Hide Asthma and Allergy Research Centre, St. Mary's Hospital, Newport PO30 5TG, Isle of Wight, UK
| | - Hayley Simon
- La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Shu Liang
- La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Laurie Lau
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK; National Institute for Health Research Southampton Biomedical Research Centre, University Hospital Southampton Foundation Trust, Southampton SO16 6YD, UK
| | - Clair Barber
- National Institute for Health Research Southampton Biomedical Research Centre, University Hospital Southampton Foundation Trust, Southampton SO16 6YD, UK
| | | | - Hongmei Zhang
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN 38152, USA
| | - Syed Hasan Arshad
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK; National Institute for Health Research Southampton Biomedical Research Centre, University Hospital Southampton Foundation Trust, Southampton SO16 6YD, UK; The David Hide Asthma and Allergy Research Centre, St. Mary's Hospital, Newport PO30 5TG, Isle of Wight, UK
| | - Ramesh J Kurukulaaratchy
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK; National Institute for Health Research Southampton Biomedical Research Centre, University Hospital Southampton Foundation Trust, Southampton SO16 6YD, UK; The David Hide Asthma and Allergy Research Centre, St. Mary's Hospital, Newport PO30 5TG, Isle of Wight, UK.
| | - Pandurangan Vijayanand
- La Jolla Institute for Immunology, La Jolla, CA 92037, USA; Department of Medicine, University of California San Diego, La Jolla, CA 92037, USA; Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 3BX, UK.
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13
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Wang S, Iyer R, Han X, Wei J, Li N, Cheng Y, Zhou Y, Gao Q, Zhang L, Yan M, Sun Z, Fang D. CRISPR screening identifies the deubiquitylase ATXN3 as a PD-L1-positive regulator for tumor immune evasion. J Clin Invest 2023; 133:e167728. [PMID: 38038129 PMCID: PMC10688982 DOI: 10.1172/jci167728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 09/27/2023] [Indexed: 12/02/2023] Open
Abstract
Regulation of tumoral PD-L1 expression is critical to advancing our understanding of tumor immune evasion and the improvement of existing antitumor immunotherapies. Herein, we describe a CRISPR-based screening platform and identified ATXN3 as a positive regulator for PD-L1 transcription. TCGA database analysis revealed a positive correlation between ATXN3 and CD274 in more than 80% of human cancers. ATXN3-induced Pd-l1 transcription was promoted by tumor microenvironmental factors, including the inflammatory cytokine IFN-γ and hypoxia, through protection of their downstream transcription factors IRF1, STAT3, and HIF-2α. Moreover, ATXN3 functioned as a deubiquitinase of the AP-1 transcription factor JunB, indicating that ATNX3 promotes PD-L1 expression through multiple pathways. Targeted deletion of ATXN3 in cancer cells largely abolished IFN-γ- and hypoxia-induced PD-L1 expression and consequently enhanced antitumor immunity in mice, and these effects were partially reversed by PD-L1 reconstitution. Furthermore, tumoral ATXN3 suppression improved the preclinical efficacy of checkpoint blockade antitumor immunotherapy. Importantly, ATXN3 expression was increased in human lung adenocarcinoma and melanoma, and its levels were positively correlated with PD-L1 as well as its transcription factors IRF1 and HIF-2α. Collectively, our study identifies what we believe to be a previously unknown deubiquitinase, ATXN3, as a positive regulator for PD-L1 transcription and provides a rationale for targeting ATXN3 to sensitize checkpoint blockade antitumor immunotherapy.
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Affiliation(s)
- Shengnan Wang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Radhika Iyer
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Xiaohua Han
- Department of Physiology, School of Basic Medicine, Qingdao University, Qingdao, Shandong, China
| | - Juncheng Wei
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Na Li
- College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Yang Cheng
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Yuanzhang Zhou
- College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Qiong Gao
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center of Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, China
| | - Ming Yan
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Department of Oral Maxillofacial Head and Neck Oncology, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Zhaolin Sun
- College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Deyu Fang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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14
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Adu-Berchie K, Liu Y, Zhang DKY, Freedman BR, Brockman JM, Vining KH, Nerger BA, Garmilla A, Mooney DJ. Generation of functionally distinct T-cell populations by altering the viscoelasticity of their extracellular matrix. Nat Biomed Eng 2023; 7:1374-1391. [PMID: 37365267 PMCID: PMC10749992 DOI: 10.1038/s41551-023-01052-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/05/2023] [Indexed: 06/28/2023]
Abstract
The efficacy of adoptive T-cell therapies largely depends on the generation of T-cell populations that provide rapid effector function and long-term protective immunity. Yet it is becoming clearer that the phenotypes and functions of T cells are inherently linked to their localization in tissues. Here we show that functionally distinct T-cell populations can be generated from T cells that received the same stimulation by altering the viscoelasticity of their surrounding extracellular matrix (ECM). By using a model ECM based on a norbornene-modified collagen type I whose viscoelasticity can be adjusted independently from its bulk stiffness by varying the degree of covalent crosslinking via a bioorthogonal click reaction with tetrazine moieties, we show that ECM viscoelasticity regulates T-cell phenotype and function via the activator-protein-1 signalling pathway, a critical regulator of T-cell activation and fate. Our observations are consistent with the tissue-dependent gene-expression profiles of T cells isolated from mechanically distinct tissues from patients with cancer or fibrosis, and suggest that matrix viscoelasticity could be leveraged when generating T-cell products for therapeutic applications.
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Affiliation(s)
- Kwasi Adu-Berchie
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - Yutong Liu
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - David K Y Zhang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - Benjamin R Freedman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - Joshua M Brockman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | - Kyle H Vining
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Preventative and Restorative Sciences, School of Dental Medicine, and Department of Materials Science and Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA
| | - Bryan A Nerger
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA
| | | | - David J Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA.
- The Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA.
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15
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Moghaddam MZ, Mousavi MJ, Ghotloo S. Cell-based therapies for the treatment of rheumatoid arthritis. Immun Inflamm Dis 2023; 11:e1091. [PMID: 38018576 PMCID: PMC10664399 DOI: 10.1002/iid3.1091] [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: 04/17/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 11/30/2023] Open
Abstract
Autoimmune diseases, including rheumatoid arthritis that is the most prevalent rheumatic autoimmune disorder, affect autologous connective tissues caused by the breakdown of the self-tolerance mechanisms of the immune system. During the last two decades, cell-based therapy, including stem cells and none-stem cells has been increasingly considered as a therapeutic option in various diseases. This is partly due to the unique properties of stem cells that divide and differentiate from the specialized cells in the damaged tissue. Moreover, stem cells and none-stem cells, impose immunomodulatory properties affecting the diseases caused by immunological abnormalities such as rheumatic autoimmune disorders. In the present review, the efficacy of cell-based therapy with four main types of stem cells, including mesenchymal stem cells, hematopoietic stem cells, embryonic stem cells, and human amniotic membrane cells, as well as none-stem cells, including regulatory T cells, chimeric antigen receptor T cells, and tolerogenic dendritic cells will be evaluated. Moreover, other related issues, including safety, changes in immunological parameters, suitable choice of stem cell and none-stem cell origin, conditioning regimen, limitations, and complications will be discussed.
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Affiliation(s)
| | - Mohammad Javad Mousavi
- Department of HematologyFaculty of Allied Medicine, Bushehr University of Medical SciencesBushehrIran
| | - Somayeh Ghotloo
- Autoimmune Diseases Research CenterKashan University of Medical SciencesKashanIran
- Department of Clinical Laboratory SciencesKashan University of Medical SciencesKashanIran
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16
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Biswas M, So K, Bertolini TB, Krishnan P, Rana J, Muñoz-Melero M, Syed F, Kumar SRP, Gao H, Xuei X, Terhorst C, Daniell H, Cao S, Herzog RW. Distinct functions and transcriptional signatures in orally induced regulatory T cell populations. Front Immunol 2023; 14:1278184. [PMID: 37954612 PMCID: PMC10637621 DOI: 10.3389/fimmu.2023.1278184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/16/2023] [Indexed: 11/14/2023] Open
Abstract
Oral administration of antigen induces regulatory T cells (Treg) that can not only control local immune responses in the small intestine, but also traffic to the central immune system to deliver systemic suppression. Employing murine models of the inherited bleeding disorder hemophilia, we find that oral antigen administration induces three CD4+ Treg subsets, namely FoxP3+LAP-, FoxP3+LAP+, and FoxP3-LAP+. These T cells act in concert to suppress systemic antibody production induced by therapeutic protein administration. Whilst both FoxP3+LAP+ and FoxP3-LAP+ CD4+ T cells express membrane-bound TGF-β (latency associated peptide, LAP), phenotypic, functional, and single cell transcriptomic analyses reveal distinct characteristics in the two subsets. As judged by an increase in IL-2Rα and TCR signaling, elevated expression of co-inhibitory receptor molecules and upregulation of the TGFβ and IL-10 signaling pathways, FoxP3+LAP+ cells are an activated form of FoxP3+LAP- Treg. Whereas FoxP3-LAP+ cells express low levels of genes involved in TCR signaling or co-stimulation, engagement of the AP-1 complex members Jun/Fos and Atf3 is most prominent, consistent with potent IL-10 production. Single cell transcriptomic analysis further reveals that engagement of the Jun/Fos transcription factors is requisite for mediating TGFβ expression. This can occur via an Il2ra dependent or independent process in FoxP3+LAP+ or FoxP3-LAP+ cells respectively. Surprisingly, both FoxP3+LAP+ and FoxP3-LAP+ cells potently suppress and induce FoxP3 expression in CD4+ conventional T cells. In this process, FoxP3-LAP+ cells may themselves convert to FoxP3+ Treg. We conclude that orally induced suppression is dependent on multiple regulatory cell types with complementary and interconnected roles.
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Affiliation(s)
- Moanaro Biswas
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Kaman So
- Department of Biostatistics and Health Data Science and Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Thais B. Bertolini
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Preethi Krishnan
- Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Jyoti Rana
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Maite Muñoz-Melero
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Farooq Syed
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Sandeep R. P. Kumar
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Hongyu Gao
- Center for Medical Genomics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Xiaoling Xuei
- Center for Medical Genomics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Cox Terhorst
- Division of Immunology, Beth Israel Deaconess Medical Center (BIDMC), Harvard Medical School, Boston, MA, United States
| | - Henry Daniell
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Sha Cao
- Department of Biostatistics and Health Data Science and Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Roland W. Herzog
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
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17
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Shi W, Ye J, Shi Z, Pan C, Zhang Q, Lin Y, Liang D, Liu Y, Lin X, Zheng Y. Single-cell chromatin accessibility and transcriptomic characterization of Behcet's disease. Commun Biol 2023; 6:1048. [PMID: 37848613 PMCID: PMC10582193 DOI: 10.1038/s42003-023-05420-x] [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: 04/06/2023] [Accepted: 10/04/2023] [Indexed: 10/19/2023] Open
Abstract
Behect's disease is a chronic vasculitis characterized by complex multi-organ immune aberrations. However, a comprehensive understanding of the gene-regulatory profile of peripheral autoimmunity and the diverse immune responses across distinct cell types in Behcet's disease (BD) is still lacking. Here, we present a multi-omic single-cell study of 424,817 cells in BD patients and non-BD individuals. This study maps chromatin accessibility and gene expression in the same biological samples, unraveling vast cellular heterogeneity. We identify widespread cell-type-specific, disease-associated active and pro-inflammatory immunity in both transcript and epigenomic aspects. Notably, integrative multi-omic analysis reveals putative TF regulators that might contribute to chromatin accessibility and gene expression in BD. Moreover, we predicted gene-regulatory networks within nominated TF activators, including AP-1, NF-kB, and ETS transcript factor families, which may regulate cellular interaction and govern inflammation. Our study illustrates the epigenetic and transcriptional landscape in BD peripheral blood and expands understanding of potential epigenomic immunopathology in this disease.
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Affiliation(s)
- Wen Shi
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, 100085, Beijing, China
| | - Jinguo Ye
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
| | - Zhuoxing Shi
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
| | - Caineng Pan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
| | - Qikai Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
| | - Yuheng Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China
| | - Dan Liang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China.
| | - Yizhi Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China.
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, 100085, Beijing, China.
| | - Xianchai Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China.
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, 100085, Beijing, China.
| | - Yingfeng Zheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, 510060, Guangzhou, China.
- Research Unit of Ocular Development and Regeneration, Chinese Academy of Medical Sciences, 100085, Beijing, China.
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18
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Dong J, Huth WJ, Marcel N, Zhang Z, Lin LL, Lu LF. miR-15/16 clusters restrict effector Treg cell differentiation and function. J Exp Med 2023; 220:e20230321. [PMID: 37516921 PMCID: PMC10374942 DOI: 10.1084/jem.20230321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/27/2023] [Accepted: 07/14/2023] [Indexed: 07/31/2023] Open
Abstract
Effector regulatory T cells (eTregs) exhibit distinct homeostatic properties and superior suppressor capacities pivotal for controlling immune responses mediated by their conventional T cell counterpart. While the role of microRNAs (miRNAs) in Tregs has been well-established, how miRNAs regulate eTregs remains poorly understood. Here, we demonstrate that miR-15/16 clusters act as key regulators in limiting eTreg responses. Loss of miR-15/16 clusters leads to increased eTreg frequencies with enhanced suppressor function. Consequently, mice with Treg-specific ablation of miR-15/16 clusters display attenuated immune responses during neuroinflammation and upon both infectious and non-infectious challenges. Mechanistically, miR-15/16 clusters exert their regulatory effect in part through repressing IRF4, a transcription factor essential for eTreg differentiation and function. Moreover, miR-15/16 clusters also directly target neuritin, an IRF4-dependent molecule, known for its role in Treg-mediated regulation of plasma cell responses. Together, we identify an miRNA family that controls an important Treg subset and further demonstrate that eTreg responses are tightly regulated at both transcriptional and posttranscriptional levels.
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Affiliation(s)
- Jiayi Dong
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - William J. Huth
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Nimi Marcel
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Ziyue Zhang
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Ling-Li Lin
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
| | - Li-Fan Lu
- School of Biological Sciences, University of California, San Diego, La Jolla, CA, USA
- Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, USA
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19
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Khatun A, Wu X, Qi F, Gai K, Kharel A, Kudek MR, Fraser L, Ceicko A, Kasmani MY, Majnik A, Burns R, Chen Y, Salzman N, Taparowsky EJ, Fang D, Williams CB, Cui W. BATF is Required for Treg Homeostasis and Stability to Prevent Autoimmune Pathology. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206692. [PMID: 37587835 PMCID: PMC10558681 DOI: 10.1002/advs.202206692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 07/17/2023] [Indexed: 08/18/2023]
Abstract
Regulatory T (Treg) cells are inevitable to prevent deleterious immune responses to self and commensal microorganisms. Treg function requires continuous expression of the transcription factor (TF) FOXP3 and is divided into two major subsets: resting (rTregs) and activated (aTregs). Continuous T cell receptor (TCR) signaling plays a vital role in the differentiation of aTregs from their resting state, and in their immune homeostasis. The process by which Tregs differentiate, adapt tissue specificity, and maintain stable phenotypic expression at the transcriptional level is still inconclusivei. In this work, the role of BATF is investigated, which is induced in response to TCR stimulation in naïve T cells and during aTreg differentiation. Mice lacking BATF in Tregs developed multiorgan autoimmune pathology. As a transcriptional regulator, BATF is required for Treg differentiation, homeostasis, and stabilization of FOXP3 expression in different lymphoid and non-lymphoid tissues. Epigenetically, BATF showed direct regulation of Treg-specific genes involved in differentiation, maturation, and tissue accumulation. Most importantly, FOXP3 expression and Treg stability require continuous BATF expression in Tregs, as it regulates demethylation and accessibility of the CNS2 region of the Foxp3 locus. Considering its role in Treg stability, BATF should be considered an important therapeutic target in autoimmune disease.
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Affiliation(s)
- Achia Khatun
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
| | - Xiaopeng Wu
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
| | - Fu Qi
- Children's Mercy Hospital in Kansas City2401 Gillham RdKansas CityMO64108USA
| | - Kexin Gai
- Department of PathologyFeinberg School of MedicineNorthwestern University303 E Chicago AveChicagoIL60611USA
| | - Arjun Kharel
- Department of PathologyFeinberg School of MedicineNorthwestern University303 E Chicago AveChicagoIL60611USA
| | - Matthew R. Kudek
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
- Department of PediatricsMedical College of Wisconsin8701 Watertown Plank RoadMilwaukeeWI53226USA
| | - Lisa Fraser
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
| | - Ashley Ceicko
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
| | - Moujtaba Y. Kasmani
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
| | - Amber Majnik
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Children's Mercy Hospital in Kansas City2401 Gillham RdKansas CityMO64108USA
| | - Robert Burns
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
| | - Yi‐Guang Chen
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Max McGee National Research Center for Juvenile DiabetesMedical College of Wisconsin8701 Watertown Plank RoadMilwaukeeWI53226USA
| | - Nita Salzman
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Department of PediatricsMedical College of Wisconsin8701 Watertown Plank RoadMilwaukeeWI53226USA
| | | | - Dayu Fang
- Department of PathologyFeinberg School of MedicineNorthwestern University303 E Chicago AveChicagoIL60611USA
| | - Calvin B. Williams
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Department of PediatricsMedical College of Wisconsin8701 Watertown Plank RoadMilwaukeeWI53226USA
| | - Weiguo Cui
- Department of Microbiology and ImmunologyMedical College of WisconsinMilwaukeeWI53226USA
- Versiti Blood Research InstituteVersiti WisconsinMilwaukeeWI53226USA
- Department of PathologyFeinberg School of MedicineNorthwestern University303 E Chicago AveChicagoIL60611USA
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20
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Mudd P, Borcherding N, Kim W, Quinn M, Han F, Zhou J, Sturtz A, Schmitz A, Lei T, Schattgen S, Klebert M, Suessen T, Middleton W, Goss C, Liu C, Crawford J, Thomas P, Teefey S, Presti R, O'Halloran J, Turner J, Ellebedy A. Antigen-specific CD4 + T cells exhibit distinct transcriptional phenotypes in the lymph node and blood following vaccination in humans. RESEARCH SQUARE 2023:rs.3.rs-3304466. [PMID: 37790414 PMCID: PMC10543502 DOI: 10.21203/rs.3.rs-3304466/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
SARS-CoV-2 infection and mRNA vaccination induce robust CD4+ T cell responses that are critical for the development of protective immunity. Here, we evaluated spike-specific CD4+ T cells in the blood and draining lymph node (dLN) of human subjects following BNT162b2 mRNA vaccination using single-cell transcriptomics. We analyze multiple spike-specific CD4+ T cell clonotypes, including novel clonotypes we define here using Trex, a new deep learning-based reverse epitope mapping method integrating single-cell T cell receptor (TCR) sequencing and transcriptomics to predict antigen-specificity. Human dLN spike-specific T follicular helper cells (TFH) exhibited distinct phenotypes, including germinal center (GC)-TFH and IL-10+ TFH, that varied over time during the GC response. Paired TCR clonotype analysis revealed tissue-specific segregation of circulating and dLN clonotypes, despite numerous spike-specific clonotypes in each compartment. Analysis of a separate SARS-CoV-2 infection cohort revealed circulating spike-specific CD4+ T cell profiles distinct from those found following BNT162b2 vaccination. Our findings provide an atlas of human antigen-specific CD4+ T cell transcriptional phenotypes in the dLN and blood following vaccination or infection.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Charles Goss
- Division of Biostatistics, Washington University in St.Louis
| | - Chang Liu
- Washington University School of Medicine
| | | | | | | | | | - Jane O'Halloran
- Department of Emergency Medicine, Washington University in St.Louis
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21
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Ren FJ, Cai XY, Yao Y, Fang GY. JunB: a paradigm for Jun family in immune response and cancer. Front Cell Infect Microbiol 2023; 13:1222265. [PMID: 37731821 PMCID: PMC10507257 DOI: 10.3389/fcimb.2023.1222265] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/21/2023] [Indexed: 09/22/2023] Open
Abstract
Jun B proto-oncogene (JunB) is a crucial member of dimeric activator protein-1 (AP-1) complex, which plays a significant role in various physiological processes, such as placental formation, cardiovascular development, myelopoiesis, angiogenesis, endochondral ossification and epidermis tissue homeostasis. Additionally, it has been reported that JunB has great regulatory functions in innate and adaptive immune responses by regulating the differentiation and cytokine secretion of immune cells including T cells, dendritic cells and macrophages, while also facilitating the effector of neutrophils and natural killer cells. Furthermore, a growing body of studies have shown that JunB is involved in tumorigenesis through regulating cell proliferation, differentiation, senescence and metastasis, particularly affecting the tumor microenvironment through transcriptional promotion or suppression of oncogenes in tumor cells or immune cells. This review summarizes the physiological function of JunB, its immune regulatory function, and its contribution to tumorigenesis, especially focusing on its regulatory mechanisms within tumor-associated immune processes.
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Affiliation(s)
- Fu-jia Ren
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, Zhejiang, China
| | - Xiao-yu Cai
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yao Yao
- Department of Pharmacy, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Guo-ying Fang
- Department of Pharmacy, Hangzhou Women’s Hospital, Hangzhou, Zhejiang, China
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22
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Alvarez F, Piccirillo CA. The functional adaptation of effector Foxp3 + regulatory T cells to pulmonary inflammation. Eur J Immunol 2023; 53:e2250273. [PMID: 37366319 DOI: 10.1002/eji.202250273] [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: 03/03/2023] [Revised: 06/02/2023] [Accepted: 06/02/2023] [Indexed: 06/28/2023]
Abstract
During infections, the timings of effector differentiation of pulmonary immune responses are of paramount importance, as pathogen persistence and unsuppressed inflammation can rapidly lead to a loss of function, increased frailty, and death. Thus, both an efficient clearance of the danger and a rapid resolution of inflammation are critical to host survival. We now know that tissue-localized FoxP3+ regulatory T cells, a subset of CD4+ T cells, are highly attuned to the type of immune response, acquiring unique phenotypic characteristics that allow them to adapt their suppressive functions with the nature of inflammatory cells. To achieve this, activated effector TREG cells acquire specialized TH 1, TH 2, and TH 17-like characteristics that allow them to migrate, survive, and time their function(s) through refined mechanisms. Herein, we describe how this process requires a unique developmental path that includes the acquisition of master transcription factors and the expression of receptors adapted to sense local danger signals that are found during pulmonary inflammation. In turn, we offer an overview of how these characteristics promote the capacity of local effector TREG cells to proliferate, survive, and display suppressive strategies to resolve lung injury.
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Affiliation(s)
- Fernando Alvarez
- Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada
- Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Québec, Canada
- Centre of Excellence in Translational Immunology (CETI), McGill University, Montréal, Québec, Canada
| | - Ciriaco A Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, Québec, Canada
- Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Québec, Canada
- Centre of Excellence in Translational Immunology (CETI), McGill University, Montréal, Québec, Canada
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23
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He H, Yang Y, Wang L, Guo Z, Ye L, Ou-Yang W, Yang M. Combined analysis of single-cell and bulk RNA sequencing reveals the expression patterns of circadian rhythm disruption in the immune microenvironment of Alzheimer's disease. Front Immunol 2023; 14:1182307. [PMID: 37251379 PMCID: PMC10213546 DOI: 10.3389/fimmu.2023.1182307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/24/2023] [Indexed: 05/31/2023] Open
Abstract
Background Circadian rhythm disruption (CRD) represents a critical contributor to the pathogenesis of Alzheimer's disease (AD). Nonetheless, how CRD functions within the AD immune microenvironment remains to be illustrated. Methods Circadian rhythm score (CRscore) was utilized to quantify the microenvironment status of circadian disruption in a single-cell RNA sequencing dataset derived from AD. Bulk transcriptome datasets from public repository were employed to validate the effectiveness and robustness of CRscore. A machine learning-based integrative model was applied for constructing a characteristic CRD signature, and RT-PCR analysis was employed to validate their expression levels. Results We depicted the heterogeneity in B cells, CD4+ T cells, and CD8+ T cells based on the CRscore. Furthermore, we discovered that CRD might be strongly linked to the immunological and biological features of AD, as well as the pseudotime trajectories of major immune cell subtypes. Additionally, cell-cell interactions revealed that CRD was critical in the alternation of ligand-receptor pairs. Bulk sequencing analysis indicated that the CRscore was found to be a reliable predictive biomarker in AD patients. The characteristic CRD signature, which included 9 circadian-related genes (CRGs), was an independent risk factor that accurately predicted the onset of AD. Meanwhile, abnormal expression of several characteristic CRGs, including GLRX, MEF2C, PSMA5, NR4A1, SEC61G, RGS1, and CEBPB, was detected in neurons treated with Aβ1-42 oligomer. Conclusion Our study revealed CRD-based cell subtypes in the AD microenvironment at single-cell level and proposed a robust and promising CRD signature for AD diagnosis. A deeper knowledge of these mechanisms may provide novel possibilities for incorporating "circadian rhythm-based anti-dementia therapies" into the treatment protocols of individualized medicine.
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24
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Aryl hydrocarbon receptor activity downstream of IL-10 signaling is required to promote regulatory functions in human dendritic cells. Cell Rep 2023; 42:112193. [PMID: 36870061 PMCID: PMC10066577 DOI: 10.1016/j.celrep.2023.112193] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 12/06/2022] [Accepted: 02/14/2023] [Indexed: 03/05/2023] Open
Abstract
Interleukin (IL)-10 is a main player in peripheral immune tolerance, the physiological mechanism preventing immune reactions to self/harmless antigens. Here, we investigate IL-10-induced molecular mechanisms generating tolerogenic dendritic cells (tolDC) from monocytes. Using genomic studies, we show that IL-10 induces a pattern of accessible enhancers exploited by aryl hydrocarbon receptor (AHR) to promote expression of a set of core genes. We demonstrate that AHR activity occurs downstream of IL-10 signaling in myeloid cells and is required for the induction of tolerogenic activities in DC. Analyses of circulating DCs show that IL-10/AHR genomic signature is active in vivo in health. In multiple sclerosis patients, we instead observe significantly altered signature correlating with functional defects and reduced frequencies of IL-10-induced-tolDC in vitro and in vivo. Our studies identify molecular mechanisms controlling tolerogenic activities in human myeloid cells and may help in designing therapies to re-establish immune tolerance.
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25
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Geckin B, Zoodsma M, Kilic G, Debisarun PA, Rakshit S, Adiga V, Ahmed A, Parthiban C, Kumar NC, D’Souza G, Baltissen MP, Martens JHA, Domínguez-Andrés J, Li Y, Vyakarnam A, Netea MG. Differences in Immune Responses in Individuals of Indian and European Origin: Relevance for the COVID-19 Pandemic. Microbiol Spectr 2023; 11:e0023123. [PMID: 36779734 PMCID: PMC10100912 DOI: 10.1128/spectrum.00231-23] [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: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 02/14/2023] Open
Abstract
During the coronavirus disease 2019 (COVID-19) pandemic, large differences in susceptibility and mortality due to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection have been reported between populations in Europe and South Asia. While both host and environmental factors (including Mycobacterium bovis BCG vaccination) have been proposed to explain this, the potential biological substrate of these differences is unknown. We purified peripheral blood mononuclear cells from individuals living in India and the Netherlands at baseline and 10 to 12 weeks after BCG vaccination. We compared chromatin accessibility between the two populations at baseline, as well as gene transcription profiles and cytokine production capacities upon stimulation. The chromatin accessibility of genes important for adaptive immunity was higher in the Indians than in the Europeans, while the latter had more accessible chromatin regions in genes of the innate immune system. At the transcriptional level, we observed that the Indian volunteers displayed a more tolerant immune response to stimulation, in contrast to a more exaggerated response in the Europeans. BCG vaccination strengthened the tolerance program in the Indians but not in the Europeans. These differences may partly explain the different impact of COVID-19 on the two populations. IMPORTANCE In this study, we assessed the differences in immune responses in individuals from India and Europe. This aspect is of great relevance, because of the described differences in morbidity and mortality between India and Europe during the pandemic. We found a significant difference in chromatin accessibility in immune cells from the two populations, followed by a more balanced and effective response in individuals from India. These exciting findings represent a very important piece of the puzzle for understanding the COVID-19 pandemic at a global level.
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Affiliation(s)
- Büsra Geckin
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Martijn Zoodsma
- Centre for Individualised Infection Medicine (CiiM), a joint venture between the Helmholtz Centre for Infection Research (HZI) and Hannover Medical School (MHH), Hannover, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research (HZI) and the Hannover Medical School (MHH), Hannover, Germany
| | - Gizem Kilic
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Priya A. Debisarun
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Srabanti Rakshit
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - Vasista Adiga
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - Asma Ahmed
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - Chaitra Parthiban
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - Nirutha Chetan Kumar
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - George D’Souza
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
| | - Marijke P. Baltissen
- Department of Molecular Biology, Radboud University, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Joost H. A. Martens
- Department of Molecular Biology, Radboud University, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Jorge Domínguez-Andrés
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Yang Li
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Centre for Individualised Infection Medicine (CiiM), a joint venture between the Helmholtz Centre for Infection Research (HZI) and Hannover Medical School (MHH), Hannover, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research (HZI) and the Hannover Medical School (MHH), Hannover, Germany
| | - Annapurna Vyakarnam
- Laboratory of Immunology of HIV-TB Co-infection, Centre for Infectious Disease Research, Indian Institute of Science, Bangalore, India
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, Faculty of Life Sciences & Medicine, Guy’s Hospital, King’s College London, London, United Kingdom
| | - Mihai G. Netea
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Centre, Nijmegen, The Netherlands
- Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Immunology and Metabolism, Life & Medical Sciences Institute, University of Bonn, Bonn, Germany
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26
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Verstockt B, Verstockt S, Cremer J, Sabino J, Ferrante M, Vermeire S, Sudhakar P. Distinct transcriptional signatures in purified circulating immune cells drive heterogeneity in disease location in IBD. BMJ Open Gastroenterol 2023; 10:bmjgast-2022-001003. [PMID: 36746519 PMCID: PMC9906185 DOI: 10.1136/bmjgast-2022-001003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/25/2022] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE To infer potential mechanisms driving disease subtypes among patients with inflammatory bowel disease (IBD), we profiled the transcriptome of purified circulating monocytes and CD4 T-cells. DESIGN RNA extracted from purified monocytes and CD4 T-cells derived from the peripheral blood of 125 endoscopically active patients with IBD was sequenced using Illumina HiSeq 4000NGS. We used complementary supervised and unsupervised analytical methods to infer gene expression signatures associated with demographic/clinical features. Expression differences and specificity were validated by comparison with publicly available single cell datasets, tissue-specific expression and meta-analyses. Drug target information, druggability and adverse reaction records were used to prioritise disease subtype-specific therapeutic targets. RESULTS Unsupervised/supervised methods identified significant differences in the expression profiles of CD4 T-cells between patients with ileal Crohn's disease (CD) and ulcerative colitis (UC). Following a pathway-based classification (Area Under Receiver Operating Characteristic - AUROC=86%) between ileal-CD and UC patients, we identified MAPK and FOXO pathways to be downregulated in UC. Coexpression module/regulatory network analysis using systems-biology approaches revealed mediatory core transcription factors. We independently confirmed that a subset of the disease location-associated signature is characterised by T-cell-specific and location-specific expression. Integration of drug-target information resulted in the discovery of several new (BCL6, GPR183, TNFAIP3) and repurposable drug targets (TUBB2A, PRKCQ) for ileal CD as well as novel targets (NAPEPLD, SLC35A1) for UC. CONCLUSIONS Transcriptomic profiling of circulating CD4 T-cells in patients with IBD demonstrated marked molecular differences between the IBD-spectrum extremities (UC and predominantly ileal CD, sandwiching colonic CD), which could help in prioritising particular drug targets for IBD subtypes.
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Affiliation(s)
- Bram Verstockt
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium,Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Sare Verstockt
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium
| | - Jonathan Cremer
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium
| | - João Sabino
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium,Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Marc Ferrante
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium,Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Severine Vermeire
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium,Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium
| | - Padhmanand Sudhakar
- KU Leuven Department of Chronic Diseases, Metabolism and Ageing, Translational Research Center for Gastrointestinal Disorders (TARGID), IBD group, KU Leuven, Leuven, Belgium
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27
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Itahashi K, Irie T, Yuda J, Kumagai S, Tanegashima T, Lin YT, Watanabe S, Goto Y, Suzuki J, Aokage K, Tsuboi M, Minami Y, Ishii G, Ohe Y, Ise W, Kurosaki T, Suzuki Y, Koyama S, Nishikawa H. BATF epigenetically and transcriptionally controls the activation program of regulatory T cells in human tumors. Sci Immunol 2022; 7:eabk0957. [PMID: 36206353 DOI: 10.1126/sciimmunol.abk0957] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Regulatory T (Treg) cells suppress effective antitumor immunity in tumor-bearing hosts, thereby becoming promising targets in cancer immunotherapy. Despite the importance of Treg cells in tumor immunity, little is known about their differentiation process and epigenetic profiles in the tumor microenvironment (TME). Here, we showed that Treg cells in the TME of human lung cancers harbored a completely different open chromatin profile compared with CD8+ T cells, conventional CD4+ T cells in the TME, and peripheral Treg cells. The integrative sequencing analyses including ATAC, single-cell RNA, and single-cell ATAC sequencing revealed that BATF, IRF4, NF-κB, and NR4A were important transcription factors for Treg cell differentiation in the TME. In particular, BATF was identified as a key regulator, which leveraged Treg cell differentiation through epigenetically controlling activation-associated gene expression, resulting in the robustness of Treg cells in the TME. The single-cell sequencing approaches also revealed that tissue-resident and tumor-infiltrating Treg cells followed a common pathway for differentiation and activation in a BATF-dependent manner heading toward Treg cells with the most differentiated and activated phenotypes in tissues and tumors. BATF deficiency in Treg cells remarkably inhibited tumor growth, and high BATF expression was associated with poor prognosis in lung cancer, kidney cancer, and melanoma. These findings indicate one of the specific chromatin remodeling and differentiation programs of Treg cells in the TME, which can be applied in the development of Treg cell-targeted therapies.
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Affiliation(s)
- Kota Itahashi
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan
| | - Takuma Irie
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan
| | - Junichiro Yuda
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan.,Department of Hematology, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Shogo Kumagai
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan.,Department of Immunology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Tokiyoshi Tanegashima
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan
| | - Yi-Tzu Lin
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan.,Department of Immunology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Sho Watanabe
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan
| | - Yasushi Goto
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo 104-0045, Japan
| | - Jun Suzuki
- Department of Thoracic Surgery, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Keiju Aokage
- Department of Thoracic Surgery, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Masahiro Tsuboi
- Department of Thoracic Surgery, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Yosuke Minami
- Department of Hematology, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Genichiro Ishii
- Division of Pathology, National Cancer Center Hospital East, Chiba 277-8577, Japan
| | - Yuichiro Ohe
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo 104-0045, Japan
| | - Wataru Ise
- Regulation of Host Defense Team, Division of Microbiology and Immunology, Center for Infectious Disease Education and Research, Osaka University, Osaka 565-0871, Japan.,Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan.,Division of Microbiology and Immunology, Center for Infectious Disease Education and Research, Osaka University, Osaka 565-0871, Japan.,Laboratory for Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS), Kanagawa 230-0045, Japan
| | - Yutaka Suzuki
- Graduate School of Frontier Sciences, University of Tokyo, Chiba 277-8562, Japan
| | - Shohei Koyama
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan
| | - Hiroyoshi Nishikawa
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research and Clinical Trial Center (EPOC), National Cancer Center, Tokyo 104-0045/Chiba 277-8577, Japan.,Department of Immunology, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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28
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Zhang P, Liu L, Lai X, Chen R, Guo Y, JunjieMa, Chen W, Chen Z. Ablation of Basic Leucine Zipper Transcription Factor ATF-Like Potentiates Estradiol to Induce Atopic Dermatitis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:7024669. [PMID: 36160706 PMCID: PMC9507764 DOI: 10.1155/2022/7024669] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/26/2022] [Accepted: 09/02/2022] [Indexed: 01/23/2023]
Abstract
Background Atopic dermatitis (AD) is an inflammatory and immune skin disorder. Basic leucine zipper transcription factor ATF-like (BATF) plays a key role in regulating the differentiation and functions of lymphocytes. However, the mechanism underlying the transcriptional regulation of BATF on AD is still not well understood. Methods BATF knockout (BATF-/-) and C57BL/6(B6) mice were used for the development of spontaneous dermatitis. 17β-Estradiol was injected intraperitoneally to induce AD. The lesioned tail skin of the mice was stained with hematoxylin and eosin to analyze the pathological characteristics. Impaired skin barrier function was assessed by measuring the transepidermal water loss (TEWL). The skin epithelial barrier indicators and cytokine mRNA levels were quantified by real-time quantitative PCR. The total serum immunoglobulin E (IgE) levels were measured by enzyme-linked immunosorbent assay (ELISA). T lymphocytes were analyzed using flow cytometry. Results Ablation of BATF led to the spontaneous development of AD only in female mice and not in male mice. BATF deletion led to elevated serum levels of IgE and increased infiltration of eosinophils, neutrophils, and lymphocytes and promoted cytokine production including IL-4, IL-22, IL-1β, IFN-γ, and TNF-α in the lesioned tail skin of the mice. The mRNA expression levels of filaggrin and loricrin significantly decreased, while S100A8 and S100A9 increased in female BATF-/- mice. BATF-deficient female mice were found to increase proliferation and IL-5 production by skin-infiltrating CD4+ T cells which implies Th2 activation. Moreover, AD was successfully induced only in the estradiol-treated BATF-deficient male mice and not in WT male mice. Estradiol enhanced the allergic and immunological responses to dermatitis primarily by triggering Th2-type immune responses via enhanced serum IgE and inflammatory cytokine levels in the male BATF-/- mice. Conclusion The study concluded that BATF potentiates estradiol to induce mouse atopic dermatitis via potentiating inflammatory cytokine releases and Th2-type immune responses and may have important clinical implications for patients with AD.
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Affiliation(s)
- Peng Zhang
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - Luhao Liu
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - Xingqiang Lai
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - Rongxin Chen
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - Yuhe Guo
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - JunjieMa
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
| | - Wenhao Chen
- Immunobiology & Transplant Science Center, Houston Methodist Research Institute, Texas Medical Center, Houston, TX 77030, USA
| | - Zheng Chen
- Organ Transplant Center, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 511447 Guangdong, China
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29
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Itahashi K, Irie T, Nishikawa H. Regulatory T-cell development in the tumor microenvironment. Eur J Immunol 2022; 52:1216-1227. [PMID: 35879813 DOI: 10.1002/eji.202149358] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/01/2022] [Accepted: 06/23/2022] [Indexed: 12/20/2022]
Abstract
Regulatory T (Treg) cells are required for maintaining self-tolerance and preventing the development of autoimmune diseases. However, Treg cells are abundant in tumors and suppress antitumor immunity, contributing to tumor development and growth. Thus, the selective deletion of tumor-infiltrating Treg cells is important for successful Treg cell-targeted therapies, providing effective antitumor immunity without inducing deleterious autoimmune disorders. Advancements in sequencing technologies have exposed the diversity and heterogeneity of human Treg cells during activation and differentiation, further emphasizing the importance of understanding tumor-infiltrating Treg cells for the development of Treg cell-targeted therapies. This review provides an overview of the classification and function of Treg cells and summarizes recent knowledge on the activation and differentiation of Treg cells in the tumor microenvironment.
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Affiliation(s)
- Kota Itahashi
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research & Clinical Trial Center (EPOC), National Cancer Center, Tokyo, Japan
| | - Takuma Irie
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research & Clinical Trial Center (EPOC), National Cancer Center, Tokyo, Japan
| | - Hiroyoshi Nishikawa
- Division of Cancer Immunology, Research Institute/Exploratory Oncology Research & Clinical Trial Center (EPOC), National Cancer Center, Tokyo, Japan.,Department of Immunology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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30
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Differentiation and homeostasis of effector Treg cells are regulated by inositol polyphosphates modulating Ca 2+ influx. Proc Natl Acad Sci U S A 2022; 119:e2121520119. [PMID: 35776543 PMCID: PMC9271192 DOI: 10.1073/pnas.2121520119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Activated Foxp3+ regulatory T (Treg) cells differentiate into effector Treg (eTreg) cells to maintain peripheral immune homeostasis and tolerance. T cell receptor (TCR)-mediated induction and regulation of store-operated Ca2+ entry (SOCE) is essential for eTreg cell differentiation and function. However, SOCE regulation in Treg cells remains unclear. Here, we show that inositol polyphosphate multikinase (IPMK), which generates inositol tetrakisphosphate and inositol pentakisphosphate, is a pivotal regulator of Treg cell differentiation downstream of TCR signaling. IPMK is highly expressed in TCR-stimulated Treg cells and promotes a TCR-induced Treg cell program. IPMK-deficient Treg cells display aberrant T cell activation and impaired differentiation into RORγt+ Treg cells and tissue-resident Treg cells. Mechanistically, IPMK controls the generation of higher-order inositol phosphates, thereby promoting Ca2+ mobilization and Treg cell effector functions. Our findings identify IPMK as a critical regulator of TCR-mediated Ca2+ influx and highlight the importance of IPMK in Treg cell-mediated immune homeostasis.
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31
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Zhao P, Zou J, Zhou F, Zhu Y, Song Q, Yu D, Li X. Immune features of COVID-19 convalescent individuals revealed by a single-cell RNA sequencing. Int Immunopharmacol 2022; 108:767. [PMID: 35453072 PMCID: PMC9013654 DOI: 10.1016/j.intimp.2022.108767] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/22/2022] [Accepted: 04/05/2022] [Indexed: 02/05/2023]
Abstract
It remains unclear whether immune responses following natural infection can be sustained or potentially prove critical for long-term immune protection against SARS-CoV-2 reinfection. Here, we systematically mapped the phenotypic landscape of SARS-CoV-2-specific immune responses in peripheral blood samples of convalescent patients with COVID-19 by single-cell RNA sequencing. The relative percentage of the CD8 + effector memory subset was increased in both convalescent moderate and severe cases, but NKT-CD160 and marginal zone B clusters were decreased. Innate immune responses were attenuated reflected by decreased expression of genes involved in interferon-gamma, leukocyte migration and neutrophil mediated immune response in convalescent COVID-19 patients. Functions of T cell were strengthened in convalescent COVID-19 patients by clear endorsement of increased expression of genes involved in biological processes of regulation of T cell activation, differentiation and cell-cell adhesion. In addition, T cell mediated immune responses were enhanced with remarkable clonal expansions of TCR and increased transition of CD4 + effector memory and CD8 + effector-GNLY in severe subjects. B cell immune responses displayed complicated and dualfunctions during convalescence of COVID-19, providing a novel mechanism that B cell activation was observed especially in moderate while humoral immune response was weakened. Interestingly, HLA class I genes displayed downregulation while HLA class II genes upregulation in both T and B cell subsets in convalescent individuals. Our results showed that innate immunity was declined but SARS-CoV-2-specific T cell responses were retained even strengthened whereas complicated and dualfunctions of B cells, including declined humoral immunity were presented at several months following infections.
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Affiliation(s)
- Pingsen Zhao
- Department of Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China
- Laboratory for Diagnosis of Clinical Microbiology and Infection, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China
- Shaoguan Municipal Quality Control Center for Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025 China
| | - Jiahua Zou
- Cancer Center, Huanggang Hospital of Traditional Chinese Medicine, Huanggang 438000, China
| | - Fan Zhou
- Department of Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China; Laboratory for Diagnosis of Clinical Microbiology and Infection, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China; Shaoguan Municipal Quality Control Center for Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025 China
| | - Yanyan Zhu
- Department of Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China; Laboratory for Diagnosis of Clinical Microbiology and Infection, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025, China; Shaoguan Municipal Quality Control Center for Laboratory Medicine, Yuebei People's Hospital, Shantou University Medical College, Shaoguan 512025 China
| | - Qibin Song
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Dongdong Yu
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiangpan Li
- Cancer Center, Renmin Hospital of Wuhan University, Wuhan 430060, China
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32
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Hsieh T, Sasaki D, Taira N, Chien H, Sarkar S, Seto Y, Miyagi M, Ishikawa H. JunB Is Critical for Survival of T Helper Cells. Front Immunol 2022; 13:901030. [PMID: 35837408 PMCID: PMC9273772 DOI: 10.3389/fimmu.2022.901030] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/01/2022] [Indexed: 11/30/2022] Open
Abstract
Clonal expansion and differentiation of various T helper subsets, such as Th1, Th2, and Th17 cells, depend on a complex of transcription factors, IRF4 and a BATF-containing AP-1 heterodimer. A major BATF heterodimeric partner, JunB, regulates Th17 differentiation, but the role of JunB in other T helper subsets is not well understood. Here we demonstrate that JunB is required for clonal expansion of Th1, Th2 and Th17 cells. In mice immunized with lipopolysaccharide (LPS), papain, or complete Freund's adjuvant (CFA), which induce predominantly Th1, Th2 and Th17 cells, respectively, accumulation of antigen-primed, Junb-deficient CD4+ T cells is significantly impaired. TCR-stimulated Junb-deficient CD4+ T cells are more sensitive to apoptosis, although they showed largely normal proliferation and cellular metabolism. JunB directly inhibits expression of genes involved in apoptosis, including Bcl2l11 (encoding Bim), by promoting IRF4 DNA binding at the gene locus. Taken together, JunB serves a critical function in clonal expansion of diverse T helper cells by inhibiting their apoptosis.
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Affiliation(s)
| | | | | | | | | | | | | | - Hiroki Ishikawa
- Immune Signal Unit, Okinawa Institute of Science and Technology Graduate University, Okinawa, Japan
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33
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Hu W, Li YJ, Zhen C, Wang YY, Huang HH, Zou J, Zheng YQ, Huang GC, Meng SR, Jin JH, Li J, Zhou MJ, Fu YL, Zhang P, Li XY, Yang T, Wang XW, Yang XH, Song JW, Fan X, Jiao YM, Xu RN, Zhang JY, Zhou CB, Yuan JH, Huang L, Qin YQ, Wu FY, Shi M, Wang FS, Zhang C. CCL5-Secreting Virtual Memory CD8+ T Cells Inversely Associate With Viral Reservoir Size in HIV-1-Infected Individuals on Antiretroviral Therapy. Front Immunol 2022; 13:897569. [PMID: 35720272 PMCID: PMC9204588 DOI: 10.3389/fimmu.2022.897569] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/21/2022] [Indexed: 12/25/2022] Open
Abstract
Recent studies highlighted that CD8+ T cells are necessary for restraining reservoir in HIV-1-infected individuals who undergo antiretroviral therapy (ART), whereas the underlying cellular and molecular mechanisms remain largely unknown. Here, we enrolled 60 virologically suppressed HIV-1-infected individuals, to assess the correlations of the effector molecules and phenotypic subsets of CD8+ T cells with HIV-1 DNA and cell-associated unspliced RNA (CA usRNA). We found that the levels of HIV-1 DNA and usRNA correlated positively with the percentage of CCL4+CCL5- CD8+ central memory cells (TCM) while negatively with CCL4-CCL5+ CD8+ terminally differentiated effector memory cells (TEMRA). Moreover, a virtual memory CD8+ T cell (TVM) subset was enriched in CCL4-CCL5+ TEMRA cells and phenotypically distinctive from CCL4+ TCM subset, supported by single-cell RNA-Seq data. Specifically, TVM cells showed superior cytotoxicity potentially driven by T-bet and RUNX3, while CCL4+ TCM subset displayed a suppressive phenotype dominated by JUNB and CREM. In viral inhibition assays, TVM cells inhibited HIV-1 reactivation more effectively than non-TVM CD8+ T cells, which was dependent on CCL5 secretion. Our study highlights CCL5-secreting TVM cells subset as a potential determinant of HIV-1 reservoir size. This might be helpful to design CD8+ T cell-based therapeutic strategies for cure of the disease.
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Affiliation(s)
- Wei Hu
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Yan-Jun Li
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Cheng Zhen
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - You-Yuan Wang
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Hui-Huang Huang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jun Zou
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Yan-Qing Zheng
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Gui-Chan Huang
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Si-Run Meng
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Jie-Hua Jin
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jing Li
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ming-Ju Zhou
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Yu-Long Fu
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Peng Zhang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Xiao-Yu Li
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Tao Yang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Xiu-Wen Wang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Xiu-Han Yang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jin-Wen Song
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Xing Fan
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Yan-Mei Jiao
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ruo-Nan Xu
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ji-Yuan Zhang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Chun-Bao Zhou
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Jin-Hong Yuan
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Lei Huang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Ya-Qin Qin
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Feng-Yao Wu
- Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Ming Shi
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Fu-Sheng Wang
- Medical School of Chinese People's Liberation Army (PLA), Beijing, China.,Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China.,Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
| | - Chao Zhang
- Department of Infectious Diseases, The Fifth Medical Center of Chinese PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China.,Guangxi Acquired Immune Deficiency Syndrome (AIDS) Clinical Treatment Centre, The Fourth People's Hospital of Nanning, Nanning, China
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34
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Kim ST, Chu Y, Misoi M, Suarez-Almazor ME, Tayar JH, Lu H, Buni M, Kramer J, Rodriguez E, Hussain Z, Neelapu SS, Wang J, Shah AY, Tannir NM, Campbell MT, Gibbons DL, Cascone T, Lu C, Blumenschein GR, Altan M, Lim B, Valero V, Loghin ME, Tu J, Westin SN, Naing A, Garcia-Manero G, Abdel-Wahab N, Tawbi HA, Hwu P, Oliva ICG, Davies MA, Patel SP, Zou J, Futreal A, Diab A, Wang L, Nurieva R. Distinct molecular and immune hallmarks of inflammatory arthritis induced by immune checkpoint inhibitors for cancer therapy. Nat Commun 2022; 13:1970. [PMID: 35413951 PMCID: PMC9005525 DOI: 10.1038/s41467-022-29539-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 03/17/2022] [Indexed: 12/12/2022] Open
Abstract
Immune checkpoint inhibitors are associated with immune-related adverse events (irAEs), including arthritis (arthritis-irAE). Management of arthritis-irAE is challenging because immunomodulatory therapy for arthritis should not impede antitumor immunity. Understanding of the mechanisms of arthritis-irAE is critical to overcome this challenge, but the pathophysiology remains unknown. Here, we comprehensively analyze peripheral blood and/or synovial fluid samples from 20 patients with arthritis-irAE, and unmask a prominent Th1-CD8+ T cell axis in both blood and inflamed joints. CX3CR1hi CD8+ T cells in blood and CXCR3hi CD8+ T cells in synovial fluid, the most clonally expanded T cells, significantly share TCR repertoires. The migration of blood CX3CR1hi CD8+ T cells into joints is possibly mediated by CXCL9/10/11/16 expressed by myeloid cells. Furthermore, arthritis after combined CTLA-4 and PD-1 inhibitor therapy preferentially has enhanced Th17 and transient Th1/Th17 cell signatures. Our data provide insights into the mechanisms, predictive biomarkers, and therapeutic targets for arthritis-irAE.
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Affiliation(s)
- Sang T Kim
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Yanshuo Chu
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Mercy Misoi
- Department of General Internal Medicine, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Maria E Suarez-Almazor
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jean H Tayar
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Huifang Lu
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Maryam Buni
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jordan Kramer
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Biology, Georgetown University, Washington, DC, 20057, USA
| | - Emma Rodriguez
- Department of Infectious Disease, Infection Control and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Zulekha Hussain
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Sattva S Neelapu
- Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jennifer Wang
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Amishi Y Shah
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Nizar M Tannir
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Matthew T Campbell
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Don L Gibbons
- Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Tina Cascone
- Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Charles Lu
- Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - George R Blumenschein
- Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Mehmet Altan
- Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Bora Lim
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Vincente Valero
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Monica E Loghin
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Janet Tu
- Department of General Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Shannon N Westin
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Aung Naing
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Guillermo Garcia-Manero
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Noha Abdel-Wahab
- Section of Rheumatology and Clinical Immunology, Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Rheumatology and Rehabilitation, Assiut University Hospitals, Faculty of Medicine, Assiut University, El Fateh, Egypt
| | - Hussein A Tawbi
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Patrick Hwu
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, 33612, USA
| | - Isabella C Glitza Oliva
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Michael A Davies
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Sapna P Patel
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jun Zou
- Department of Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Andrew Futreal
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Adi Diab
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Linghua Wang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences (GSBS), Houston, TX, 77030, USA.
| | - Roza Nurieva
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences (GSBS), Houston, TX, 77030, USA.
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35
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Targeting vulnerabilities of adult T-cell leukemia. Blood 2022; 139:1435. [PMID: 35267009 DOI: 10.1182/blood.2021014879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 11/24/2021] [Indexed: 11/20/2022] Open
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36
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Rap1 prevents colitogenic Th17 cell expansion and facilitates Treg cell differentiation and distal TCR signaling. Commun Biol 2022; 5:206. [PMID: 35246619 PMCID: PMC8897436 DOI: 10.1038/s42003-022-03129-x] [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: 07/22/2021] [Accepted: 02/08/2022] [Indexed: 11/25/2022] Open
Abstract
T-cell-specific Rap1 deletion causes spontaneous colitis in mice. In the present study, we revealed that Rap1 deficiency in T cells impaired the preceding induction of intestinal RORγt+ Treg cells. In the large intestinal lamina propria (LILP) of T-cell-specific Rap1-knockout mice (Rap1KO mice), Th17 cells were found to increase in a microbiota-dependent manner, and the inhibition of IL-17A production prevented the development of colitis. In the LILP of Rap1KO mice, RORγt+ Treg cells were scarcely induced by 4 weeks of age. The expression of CTLA-4 on Rap1-deficient Treg cells was reduced and the expression of CD80 and CD86 on dendritic cells was consequently elevated in Rap1KO mice. When cultured under each polarizing condition, Rap1-deficient naïve CD4+ T cells did not show biased differentiation into Th17 cells; their differentiation into Treg cells as well as Th1 and Th2 cells was lesser than that of wild-type cells. Rap1-deficient naïve CD4+ T cells were found to exhibit the defective nuclear translocation of NFAT and formation of actin foci in response to TCR engagement. These data suggest that Rap1 amplifies the TCR signaling required for Treg-mediated control of intestinal colitogenic Th17 responses. Rap1 deficiency in T cells impairs development or maintenance of Rorγt+ Tregs in the colonic lamina propria, leading to an increase in pathogenic Th17 cells and development of spontaneous colitis.
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Su Y, Yuan D, Chen DG, Ng RH, Wang K, Choi J, Li S, Hong S, Zhang R, Xie J, Kornilov SA, Scherler K, Pavlovitch-Bedzyk AJ, Dong S, Lausted C, Lee I, Fallen S, Dai CL, Baloni P, Smith B, Duvvuri VR, Anderson KG, Li J, Yang F, Duncombe CJ, McCulloch DJ, Rostomily C, Troisch P, Zhou J, Mackay S, DeGottardi Q, May DH, Taniguchi R, Gittelman RM, Klinger M, Snyder TM, Roper R, Wojciechowska G, Murray K, Edmark R, Evans S, Jones L, Zhou Y, Rowen L, Liu R, Chour W, Algren HA, Berrington WR, Wallick JA, Cochran RA, Micikas ME, Wrin T, Petropoulos CJ, Cole HR, Fischer TD, Wei W, Hoon DSB, Price ND, Subramanian N, Hill JA, Hadlock J, Magis AT, Ribas A, Lanier LL, Boyd SD, Bluestone JA, Chu H, Hood L, Gottardo R, Greenberg PD, Davis MM, Goldman JD, Heath JR. Multiple early factors anticipate post-acute COVID-19 sequelae. Cell 2022; 185:881-895.e20. [PMID: 35216672 PMCID: PMC8786632 DOI: 10.1016/j.cell.2022.01.014] [Citation(s) in RCA: 545] [Impact Index Per Article: 272.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/14/2021] [Accepted: 01/19/2022] [Indexed: 01/14/2023]
Abstract
Post-acute sequelae of COVID-19 (PASC) represent an emerging global crisis. However, quantifiable risk factors for PASC and their biological associations are poorly resolved. We executed a deep multi-omic, longitudinal investigation of 309 COVID-19 patients from initial diagnosis to convalescence (2-3 months later), integrated with clinical data and patient-reported symptoms. We resolved four PASC-anticipating risk factors at the time of initial COVID-19 diagnosis: type 2 diabetes, SARS-CoV-2 RNAemia, Epstein-Barr virus viremia, and specific auto-antibodies. In patients with gastrointestinal PASC, SARS-CoV-2-specific and CMV-specific CD8+ T cells exhibited unique dynamics during recovery from COVID-19. Analysis of symptom-associated immunological signatures revealed coordinated immunity polarization into four endotypes, exhibiting divergent acute severity and PASC. We find that immunological associations between PASC factors diminish over time, leading to distinct convalescent immune states. Detectability of most PASC factors at COVID-19 diagnosis emphasizes the importance of early disease measurements for understanding emergent chronic conditions and suggests PASC treatment strategies.
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Affiliation(s)
- Yapeng Su
- Institute for Systems Biology, Seattle, WA 98109, USA; Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.
| | - Dan Yuan
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Daniel G Chen
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Microbiology and Department of Informatics, University of Washington, Seattle, WA 98195, USA
| | - Rachel H Ng
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Kai Wang
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Jongchan Choi
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Sarah Li
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Sunga Hong
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rongyu Zhang
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Jingyi Xie
- Institute for Systems Biology, Seattle, WA 98109, USA; Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA 98105, USA
| | | | | | - Ana Jimena Pavlovitch-Bedzyk
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Shen Dong
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | | | - Inyoul Lee
- Institute for Systems Biology, Seattle, WA 98109, USA
| | | | | | | | - Brett Smith
- Institute for Systems Biology, Seattle, WA 98109, USA
| | | | - Kristin G Anderson
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Departments of Immunology and Medicine, University of Washington, Seattle, WA 98109, USA
| | - Jing Li
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Fan Yang
- Department of Pathology, Stanford University, Stanford, CA 94304, USA
| | | | - Denise J McCulloch
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | | | | | - Jing Zhou
- Isoplexis Corporation, Branford, CT 06405, USA
| | - Sean Mackay
- Isoplexis Corporation, Branford, CT 06405, USA
| | | | - Damon H May
- Adaptive Biotechnologies, Seattle, WA 98109, USA
| | | | | | - Mark Klinger
- Adaptive Biotechnologies, Seattle, WA 98109, USA
| | | | - Ryan Roper
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Gladys Wojciechowska
- Institute for Systems Biology, Seattle, WA 98109, USA; Medical University of Białystok, Białystok 15089, Poland
| | - Kim Murray
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rick Edmark
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Simon Evans
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Lesley Jones
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Yong Zhou
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Lee Rowen
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rachel Liu
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - William Chour
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Heather A Algren
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - William R Berrington
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Julie A Wallick
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Rebecca A Cochran
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Mary E Micikas
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Terri Wrin
- Monogram Biosciences, South San Francisco, CA 94080, USA
| | | | - Hunter R Cole
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | - Trevan D Fischer
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | - Wei Wei
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Dave S B Hoon
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | | | - Naeha Subramanian
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Global Heath and Department of Immunology, University of Washington, Seattle, WA 98109, USA
| | - Joshua A Hill
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | | | | | - Antoni Ribas
- Department of Medicine, University of California, Los Angeles, and Parker Institute for Cancer Immunotherapy, Los Angeles, CA 90095, USA
| | - Lewis L Lanier
- Department of Microbiology and Immunology, University of California, San Francisco, and Parker Institute for Cancer Immunotherapy, San Francisco, CA 94143, USA
| | - Scott D Boyd
- Department of Pathology, Stanford University, Stanford, CA 94304, USA
| | - Jeffrey A Bluestone
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Helen Chu
- Division of Global Health, University of Washington, Seattle, WA 98105, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | - Leroy Hood
- Institute for Systems Biology, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Raphael Gottardo
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Department of Statistics, University of Washington, Seattle, WA 98195, USA; Biomedical Data Sciences, Lausanne University Hospital, University of Lausanne, Lausanne, 1011, Switzerland
| | - Philip D Greenberg
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Departments of Immunology and Medicine, University of Washington, Seattle, WA 98109, USA
| | - Mark M Davis
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA; The Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jason D Goldman
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA; Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA.
| | - James R Heath
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA.
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38
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Protective immune trajectories in early viral containment of non-pneumonic SARS-CoV-2 infection. Nat Commun 2022; 13:1018. [PMID: 35197461 PMCID: PMC8866527 DOI: 10.1038/s41467-022-28508-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/28/2022] [Indexed: 02/07/2023] Open
Abstract
The antiviral immune response to SARS-CoV-2 infection can limit viral spread and prevent development of pneumonic COVID-19. However, the protective immunological response associated with successful viral containment in the upper airways remains unclear. Here, we combine a multi-omics approach with longitudinal sampling to reveal temporally resolved protective immune signatures in non-pneumonic and ambulatory SARS-CoV-2 infected patients and associate specific immune trajectories with upper airway viral containment. We see a distinct systemic rather than local immune state associated with viral containment, characterized by interferon stimulated gene (ISG) upregulation across circulating immune cell subsets in non-pneumonic SARS-CoV2 infection. We report reduced cytotoxic potential of Natural Killer (NK) and T cells, and an immune-modulatory monocyte phenotype associated with protective immunity in COVID-19. Together, we show protective immune trajectories in SARS-CoV2 infection, which have important implications for patient prognosis and the development of immunomodulatory therapies. Infection with SARS-COV-2 can result in self-limited upper airway infection or progress to a more systemic inflammatory condition including pneumonic COVID-19. Here the authors utilise a multi-omics approach to interrogate the immune response of patients with self-limiting upper respiratory SARS-CoV-2 infection and reveal a temporal immune trajectory they associate with viral containment and restriction from pneumonic progressive disease.
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39
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Zhang Y, Li Q, Jiang N, Su Z, Yuan Q, Lv L, Sang X, Chen R, Feng Y, Chen Q. Dihydroartemisinin beneficially regulates splenic immune cell heterogeneity through the SOD3-JNK-AP-1 axis. SCIENCE CHINA. LIFE SCIENCES 2022; 65:1636-1654. [PMID: 35226255 DOI: 10.1007/s11427-021-2061-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 01/10/2022] [Indexed: 12/19/2022]
Abstract
The immunomodulatory potential of dihydroartemisinin (DHA) has recently been highlighted; however, the potential mechanism remains to be clarified. Single-cell RNA sequencing was explored in combination with cellular and biochemical approaches to elucidate the immunomodulatory mechanisms of DHA. In this study, we found that DHA induced both spleen enlargement and rearrangement of splenic immune cell subsets in mice. It was revealed that DHA promoted the reversible expansion of effective regulatory T cells and interferon-γ+ cytotoxic CD8+ T cells in the spleen via induction of superoxide dismutase 3 (SOD3) expression and increased phosphorylation of c-Jun N-terminal kinases (JNK) and its downstream activator protein 1 (AP-1) transcription factors. Further, SOD3 knockout mice were resistant to the regulatory effect of DHA. Thus, DHA, through the activation of the SOD3-JNK-AP-1 axis, beneficially regulated immune cell heterogeneity and splenic immune cell homeostasis to treat autoimmune diseases.
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Affiliation(s)
- Yiwei Zhang
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Qilong Li
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Ning Jiang
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Ziwei Su
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Quan Yuan
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Lei Lv
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Xiaoyu Sang
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Ran Chen
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Ying Feng
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China
| | - Qijun Chen
- Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, Key Laboratory of Zoonosis, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China.
- Research Unit for Pathogenic Mechanisms of Zoonotic Parasites, Chinese Academy of Medical Sciences, Shenyang, 110866, China.
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40
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Dan W, Zhong L, Yu L, Xiong L, Li J, Ye J, Luo X, Liu C, Chu X, Liu B. Skp2 promotes APL progression through the stabilization of oncoprotein PML-RARα and the inhibition of JunB expression. Life Sci 2022; 289:120231. [PMID: 34921867 DOI: 10.1016/j.lfs.2021.120231] [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: 09/01/2021] [Revised: 11/19/2021] [Accepted: 12/08/2021] [Indexed: 11/18/2022]
Abstract
AIMS To investigate the role of Skp2 and JunB on acute promyelocytic leukemia (APL) progression and the related mechanism. MATERIALS AND METHODS The expression of Skp2 in NB4 cell line was depleted to explore its effect on proliferation and differentiation both in vitro and in vivo assays. Western blot and quantitative RT-PCR analysis were performed to explore Skp2-regulated downstream target genes. Luciferase and co-immunoprecipitation analysis indicated that PML-RARα inhibited the transactivation of JunB by interacting with the PU.1 protein. The western blot analysis confirmed that Skp2 could maintain the stability of PML-RARα. KEY FINDINGS We report that the progression of APL and the attenuation of APL sensitivity to ATRA are positively associated with Skp2. Elevated Skp2 expression promotes APL progression by decreasing the expression of lncRNA HOTAIRM1 and inactivation of GSK3β, causing autophagy inhibition followed by the suppression of PML-RARα ubiquitylation and degradation, which represses JunB transcriptional activation through PU.1/PML-RARα transcriptional complex to block cell differentiation. Coupled with ATRA or GSK3β inhibitor treatment, genetic or pharmacological inhibition of Skp2 strikingly induces JunB expression by accelerating the degradation of PML-RARα, which contributes to the eradication of APL. Additionally, the expressions of Skp2 and JunB are negatively correlated in mice subcutaneous leukemia xenograft tumors. SIGNIFICANCE Collectively, this study uncovers the roles of Skp2 in PML-RARα stabilization and in APL oncogenic functions. We reveal a novel mechanism of PML-RARα degradation and JunB regulation that constitute an important signaling network of Skp2-GSK3β-PML/RARα-JunB.
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MESH Headings
- Animals
- Gene Expression Regulation, Leukemic
- HEK293 Cells
- Humans
- Leukemia, Promyelocytic, Acute/drug therapy
- Leukemia, Promyelocytic, Acute/genetics
- Leukemia, Promyelocytic, Acute/metabolism
- Leukemia, Promyelocytic, Acute/pathology
- Mice
- Mice, Inbred NOD
- Mice, SCID
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Protein Stability
- S-Phase Kinase-Associated Proteins/genetics
- S-Phase Kinase-Associated Proteins/metabolism
- Transcription Factors/biosynthesis
- Transcription Factors/genetics
- Transcriptional Activation
- U937 Cells
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Wenran Dan
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Liang Zhong
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Lihua Yu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Ling Xiong
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Jian Li
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Jiao Ye
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Xu Luo
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Chen Liu
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Xuan Chu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Beizhong Liu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China.
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41
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Hu X, Li F, Zeng J, Zhou Z, Wang Z, Chen J, Cao D, Hong Y, Huang L, Chen Y, Xu J, Dong F, Yu R, Zheng H. Noninvasive Low-Frequency Pulsed Focused Ultrasound Therapy for Rheumatoid Arthritis in Mice. RESEARCH 2022; 2022. [DOI: 10.34133/research.0013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2023]
Abstract
Rheumatoid arthritis (RA) is a common autoimmune disease characterized by chronic and progressive inflammation of the synovium. Focused ultrasound therapy is an increasingly attractive alternative for treating RA owing to its noninvasiveness; however, it remains unclear which immune subsets respond to ultrasound stimulation. In this study, we showed that spleen-targeted low-frequency pulsed focused ultrasound (LFPFU) effectively improved the severity of arthritis in an arthritis mouse model established in DBA/1J mice. Additionally, we performed in-depth immune profiling of spleen samples from RA mice, RA mice that underwent ultrasound therapy, and healthy controls using mass cytometry along with extensive antibody panels and identified the immune composition of 14 cell populations, including CD4
+
/CD8
+
T cells, B cells, natural killer cells, and dendritic cells. Moreover, multidimensional analysis according to cell-surface markers and phenotypes helped in identifying 4 and 5 cell subpopulations among T and myeloid cells, respectively, with 6 T cell subsets and 3 myeloid cell subsets responsive to ultrasound therapy among the 3 groups. Of these cell subsets, CD8
+
T cell subsets showed a unique response to ultrasound stimulation in RA mice. Specifically, CD8
+
T cells show a noticeable correlation with the degree of arthritis progression and could serve as an indicator for spleen-focused ultrasound-based therapy. Furthermore, single-cell RNA sequencing of spleen cells revealed the importance of T, B, and myeloid cell populations in the anti-inflammatory pathway. These results elucidated the unique cell subsets and transcriptome of splenic cells responsive to LFPFU and demonstrated the potential of spleen-focused ultrasound stimulation in the treatment of inflammatory diseases.
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Affiliation(s)
- Xuqiao Hu
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen 518055, China
| | - Fei Li
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen 518055, China
| | - Jieying Zeng
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Zhenru Zhou
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Zhaoyang Wang
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Jing Chen
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Dongyan Cao
- Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200032, China
| | - Yifan Hong
- Institute of Molecular Physiology, Institute of Cancer Research, Shenzhen Bay Laboratory, Shenzhen 518132, P.R. China
| | - Laixin Huang
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen 518055, China
| | - Yongsheng Chen
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Jinfeng Xu
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Fajin Dong
- Department of Ultrasound, First Affiliated Hospital of Southern University of Science and Technology, Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen 518020, China
| | - Rongmin Yu
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
- Department of Pharmacology, College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
- Biotechnological Institute of Chinese Materia Medica, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, China
| | - Hairong Zheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen 518055, China
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42
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A Combined mRNA- and miRNA-Sequencing Approach Reveals miRNAs as Potential Regulators of the Small Intestinal Transcriptome in Celiac Disease. Int J Mol Sci 2021; 22:ijms222111382. [PMID: 34768815 PMCID: PMC8583991 DOI: 10.3390/ijms222111382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/14/2021] [Accepted: 10/17/2021] [Indexed: 12/14/2022] Open
Abstract
Celiac disease (CeD) is triggered by gluten and results in inflammation and villous atrophy of the small intestine. We aimed to explore the role of miRNA-mediated deregulation of the transcriptome in CeD. Duodenal biopsies of CeD patients (n = 33) and control subjects (n = 10) were available for miRNA-sequencing, with RNA-sequencing also available for controls (n = 5) and CeD (n = 6). Differential expression analysis was performed to select CeD-associated miRNAs and genes. MiRNA‒target transcript pairs selected from public databases that also displayed a strong negative expression correlation in the current dataset (R < -0.7) were used to construct a CeD miRNA‒target transcript interaction network. The network includes 2030 miRNA‒target transcript interactions, including 423 experimentally validated pairs. Pathway analysis found that interactions are involved in immune-related pathways (e.g., interferon signaling) and metabolic pathways (e.g., lipid metabolism). The network includes 13 genes previously prioritized to be causally deregulated by CeD-associated genomic variants, including STAT1. CeD-associated miRNAs might play a role in promoting inflammation and decreasing lipid metabolism in the small intestine, thereby contributing unbalanced cell turnover in the intestinal crypt. Some CeD-associated miRNAs deregulate genes that are also affected by genomic CeD-risk variants, adding an additional layer of complexity to the deregulated transcriptome in CeD.
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43
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Sjaastad LE, Owen DL, Tracy SI, Farrar MA. Phenotypic and Functional Diversity in Regulatory T Cells. Front Cell Dev Biol 2021; 9:715901. [PMID: 34631704 PMCID: PMC8495164 DOI: 10.3389/fcell.2021.715901] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/03/2021] [Indexed: 12/14/2022] Open
Abstract
The concept that a subset of T cells exists that specifically suppresses immune responses was originally proposed over 50 years ago. It then took the next 30 years to solidify the concept of regulatory T cells (Tregs) into the paradigm we understand today – namely a subset of CD4+ FOXP3+ T-cells that are critical for controlling immune responses to self and commensal or environmental antigens that also play key roles in promoting tissue homeostasis and repair. Expression of the transcription factor FOXP3 is a defining feature of Tregs, while the cytokine IL2 is necessary for robust Treg development and function. While our initial conception of Tregs was as a monomorphic lineage required to suppress all types of immune responses, recent work has demonstrated extensive phenotypic and functional diversity within the Treg population. In this review we address the ontogeny, phenotype, and function of the large number of distinct effector Treg subsets that have been defined over the last 15 years.
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Affiliation(s)
- Louisa E Sjaastad
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - David L Owen
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
| | - Sean I Tracy
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States.,Division of Hematology, Oncology and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, MN, United States
| | - Michael A Farrar
- Department of Laboratory Medicine and Pathology, Center for Immunology, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, United States
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44
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Yu W, Ji N, Gu C, Yao J, Ding M, Zhou D, Huang M, Zhang M. IRF4 is Correlated with the Conversion to a Th17-Like Phenotype in Regulatory T Cells from the Malignant Pleural Effusion. Int J Gen Med 2021; 14:6009-6019. [PMID: 34588805 PMCID: PMC8476179 DOI: 10.2147/ijgm.s330389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 09/13/2021] [Indexed: 11/23/2022] Open
Abstract
Background RORγt+Foxp3+ (Th17-like) Tregs are a plastic Treg subset implicated in immune-related diseases; however, the mechanism of Treg phenotypic transformation in malignant pleural effusion (MPE) has not been elucidated. Methods The percentage of CD4+CD25+Foxp3+Helios+ and RORγt+Foxp3+ Tregs from peripheral blood and pleural effusion mononuclear cells were measured. The level of interferon regulatory factor 4 (IRF4) mRNA expression was detected by quantitative real-time reverse transcription polymerase chain reaction. The effects of IRF4 on the induction of Tregs from patients with non-small cell lung cancer (NSCLC) were evaluated in vitro. Correlation assays between IRF4 expression and the frequency of RORγt+Foxp3+ Tregs were performed. Results The frequency of CD4+CD25+Foxp3+Helios+ Tregs and CD4+RORγt+ Th17 cells was both increased in the MPE of NSCLC patients. The group of double-positive Foxp3+RORγt+ Treg phenotype were identified in the pleural effusion. A significant increase in the frequency of Foxp3+RORγt+ Tregs was found in MPE compared with the non-malignant pleural effusion (NPE). Compared to NPE, the relative level of IRF4 expression was increased in the MPE. IRF4 expression was positively associated with the frequency of Foxp3+RORγt+ Tregs in the PE. In vitro, the level of Helios mRNA and protein expression was reduced in induced Tregs following IRF4 over-expression. Additionally, the level of RORγt protein expression was substantially increased. However, ectopic Helios expression in induced Tregs reversed the effects induced by enhanced IRF4 expression. Conclusion IRF4 may serve as a potential molecule that promotes the conversion of regulatory T cells from MPE to a Th17-like phenotype by modulating Helios.
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Affiliation(s)
- Wenqing Yu
- Department of Infectious Diseases, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, Jiangsu, 225300, People's Republic of China
| | - Ningfei Ji
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, People's Republic of China
| | - Chengjing Gu
- Department of Pharmacy, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, Jiangsu, 225300, People's Republic of China
| | - Juan Yao
- Department of Oncology, Huaian Hospital of Huaian City, Huaian, Jiangsu, 223200, People's Republic of China
| | - Mingdong Ding
- Department of Infectious Diseases, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, Jiangsu, 225300, People's Republic of China
| | - Daming Zhou
- Department of Infectious Diseases, Taizhou People's Hospital Affiliated to Nantong University, Taizhou, Jiangsu, 225300, People's Republic of China
| | - Mao Huang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, People's Republic of China
| | - Mingshun Zhang
- Department of Immunology, Nanjing Medical University, Nanjing, Jiangsu, 211166, People's Republic of China.,NHC Key Laboratory of Antibody Technique, Nanjing Medical University, Nanjing, Jiangsu, 211166, People's Republic of China
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45
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Choi EH, Hwang D. Association Study of NDFIP2 Genetic Polymorphism with Asthma in the Korean Population. KOREAN JOURNAL OF CLINICAL LABORATORY SCIENCE 2021. [DOI: 10.15324/kjcls.2021.53.3.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Eun Hye Choi
- Department of Biomedical Laboratory Science, College of Life and Health Sciences, Hoseo University, Asan, Korea
| | - Dahyun Hwang
- Department of Biomedical Laboratory Science, College of Life and Health Sciences, Hoseo University, Asan, Korea
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46
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Feng W, He M, Jiang X, Liu H, Xie T, Qin Z, Huang Q, Liao S, Lin C, He J, Xu J, Ma J, Liu Y, Wei Q. Single-Cell RNA Sequencing Reveals the Migration of Osteoclasts in Giant Cell Tumor of Bone. Front Oncol 2021; 11:715552. [PMID: 34504794 PMCID: PMC8421549 DOI: 10.3389/fonc.2021.715552] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/03/2021] [Indexed: 12/22/2022] Open
Abstract
Giant cell tumor of bone (GCTB) is benign tumor that can cause significant osteolysis and bone destruction at the epiphysis of long bones. Osteoclasts are thought to be highly associated with osteolysis in GCTB. However, the migration of osteoclasts in GCTB remains unclear. A deeper understanding of the complex tumor microenvironment is required in order to delineate the migration of osteoclasts in GCTB. In this study, samples were isolated from one patient diagnosed with GCTB. Single-cell RNA sequencing (scRNA-seq) was used to detect the heterogeneity of GCTB. Multiplex immunofluorescence staining was used to evaluate the cell subtypes identified by scRNA-seq. A total of 8,033 cells were obtained from one patient diagnosed with GCTB, which were divided into eight major cell types as depicted by a single-cell transcriptional map. The osteoclasts were divided into three subsets, and their differentiation trajectory and migration status were further analyzed. Osteoclast migration may be regulated via a series of genes associated with cell migration. Furthermore, four signaling pathways (RANKL, PARs, CD137 and SMEA3 signaling pathway) were found to be highly associated with osteoclast migration. This comprehensive single-cell transcriptome analysis of GCTB identified a series of genes associated with cell migration as well as four major signaling pathways that were highly related to the migration of osteoclasts in GCTB. Our findings broaden the understanding of GCTB bionetworks and provides a theoretical basis for anti-osteolysis therapy against GCTB in the future.
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Affiliation(s)
- Wenyu Feng
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Mingwei He
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, China
| | - Xiaohong Jiang
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Department of Orthopedic, Affiliated Minzu Hospital of Guangxi Medical University, Nanning, China
| | - Huijiang Liu
- Department of Orthopedics, The First People's Hospital of Nanning, Nanning, China
| | - Tianyu Xie
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhaojie Qin
- Department of Spinal Bone Disease, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qian Huang
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Shijie Liao
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Chengsen Lin
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Juliang He
- Department of Bone and Soft Tissue Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Jie Ma
- Department of Medical Oncology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yun Liu
- Department of Spinal Bone Disease, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qingjun Wei
- Department of Trauma Orthopedic and Hand Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
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47
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Wutschka J, Kast B, Sator-Schmitt M, Appak-Baskoy S, Hess J, Sinn HP, Angel P, Schorpp-Kistner M. JUNB suppresses distant metastasis by influencing the initial metastatic stage. Clin Exp Metastasis 2021; 38:411-423. [PMID: 34282521 PMCID: PMC8318945 DOI: 10.1007/s10585-021-10108-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 06/23/2021] [Indexed: 01/01/2023]
Abstract
The complex interactions between cells of the tumor microenvironment and cancer cells are considered a major determinant of cancer progression and metastasis. Yet, our understanding of the mechanisms of metastatic disease is not sufficient to successfully treat patients with advanced-stage cancer. JUNB is a member of the AP-1 transcription factor family shown to be frequently deregulated in human cancer and associated with invasion and metastasis. A strikingly high stromal JUNB expression in human breast cancer samples prompted us to functionally investigate the consequences of JUNB loss in cells of the tumor microenvironment on cancer progression and metastasis in mice. To adequately mimic the clinical situation, we applied a syngeneic spontaneous breast cancer metastasis model followed by primary tumor resection and identified stromal JUNB as a potent suppressor of distant metastasis. Comprehensive characterization of the JUNB-deficient tumor microenvironment revealed a strong influx of myeloid cells into primary breast tumors and lungs at early metastatic stage. In these infiltrating neutrophils, BV8 and MMP9, proteins promoting angiogenesis and tissue remodeling, were specifically upregulated in a JUNB-dependent manner. Taken together, we established stromal JUNB as a strong suppressor of distant metastasis. Consequently, therapeutic strategies targeting AP-1 should be carefully designed not to interfere with stromal JUNB expression as this may be detrimental for cancer patients.
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Affiliation(s)
- Juliane Wutschka
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Faculty of Biosciences, University Heidelberg, Heidelberg, Germany
| | - Bettina Kast
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Melanie Sator-Schmitt
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Sila Appak-Baskoy
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
- iBEST (Institute of Biomedical Engineering, Science and Technology), Toronto, ON, Canada
| | - Jochen Hess
- Department of Otorhinolaryngology, Head and Neck Surgery, Heidelberg University Hospital, Heidelberg, Germany
- Research Group Molecular Mechanisms of Head and Neck Tumors, DKFZ, Heidelberg, Germany
| | - Hans-Peter Sinn
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Peter Angel
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Marina Schorpp-Kistner
- Division of Signal Transduction and Growth Control, DKFZ-ZMBH Alliance, Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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48
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Yue X, Samaniego-Castruita D, González-Avalos E, Li X, Barwick BG, Rao A. Whole-genome analysis of TET dioxygenase function in regulatory T cells. EMBO Rep 2021; 22:e52716. [PMID: 34288360 PMCID: PMC8339674 DOI: 10.15252/embr.202152716] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/13/2022] Open
Abstract
TET methylcytosine dioxygenases are essential for the stability and function of regulatory T cells (Treg cells), which maintain immune homeostasis and self‐tolerance and express the lineage‐determining transcription factor Foxp3. Here, we use whole‐genome analyses to show that the transcriptional program and epigenetic features (DNA modification, chromatin accessibility) of Treg cells are attenuated in the absence of Tet2 and Tet3. Conversely, the addition of the TET activator vitamin C during TGFβ‐induced iTreg cell differentiation in vitro potentiates the expression of Treg signature genes and alters the epigenetic landscape to better resemble that of Treg cells generated in vivo. Vitamin C enhances IL‐2 responsiveness in iTreg cells by increasing IL2Rα expression, STAT5 phosphorylation, and STAT5 binding, mimicking the IL‐2/STAT5 dependence of Treg cells generated in vivo. In summary, TET proteins play essential roles in maintaining Treg molecular features and promoting their dependence on IL‐2. TET activity during endogenous Treg development and potentiation of TET activity by vitamin C during iTreg differentiation are necessary to maintain the transcriptional and epigenetic features of Treg cells.
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Affiliation(s)
- Xiaojing Yue
- Division of Signaling and Gene Expression, La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Daniela Samaniego-Castruita
- Division of Signaling and Gene Expression, La Jolla Institute for Immunology, La Jolla, CA, USA.,Biological Sciences Graduate Program, University of California, San Diego, La Jolla, CA, USA
| | - Edahí González-Avalos
- Division of Signaling and Gene Expression, La Jolla Institute for Immunology, La Jolla, CA, USA.,Bioinformatics and Systems Biology Program, University of California, San Diego, La Jolla, CA, USA
| | - Xiang Li
- Division of Signaling and Gene Expression, La Jolla Institute for Immunology, La Jolla, CA, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA, USA
| | - Benjamin G Barwick
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Atlanta, GA, USA
| | - Anjana Rao
- Division of Signaling and Gene Expression, La Jolla Institute for Immunology, La Jolla, CA, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA, USA.,Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, CA, USA
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49
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Zhang W, Anyalebechi JC, Ramonell KM, Chen CW, Xie J, Liang Z, Chihade DB, Otani S, Coopersmith CM, Ford ML. TIGIT modulates sepsis-induced immune dysregulation in mice with preexisting malignancy. JCI Insight 2021; 6:e139823. [PMID: 34100383 PMCID: PMC8262279 DOI: 10.1172/jci.insight.139823] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 05/05/2021] [Indexed: 12/29/2022] Open
Abstract
TIGIT is a recently identified coinhibitory receptor that is upregulated in the setting of cancer and functionally contributes to the impairment of antitumor immunity. However, its role during sepsis is unknown. Because patients with cancer are 10 times more likely to die of sepsis than previously healthy (PH) patients with sepsis, we interrogated the role of TIGIT during sepsis in the context of preexistent malignancy. PH mice or cancer (CA) mice inoculated with lung carcinoma cells were made septic by cecal ligation and puncture (CLP). We found that sepsis induced TIGIT upregulation predominantly on Tregs and NK cells in both PH and CA mice. Anti-TIGIT Ab improved the 7-d survival of CA septic mice but not PH mice after CLP. Treatment of CA septic animals but not PH septic animals with anti-TIGIT mAb significantly reversed sepsis-induced loss of CD4+ T cells, CD8+ T cells, Foxp3+ Treg, and CD19+ B cells in the spleen, which was the result of decreased caspase-3+ apoptotic cells. In sum, we found that anti-TIGIT Ab reversed sepsis-induced T cell apoptosis in CA septic mice and led to a significant survival benefit, suggesting its use as a potential immunotherapy to improve outcomes in septic patients with cancer.
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Affiliation(s)
- Wenxiao Zhang
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.,Department of Critical Care Medicine, People's Hospital of Zhengzhou University (Henan Provincial People's Hospital), Zhengzhou, China
| | - Jerome C Anyalebechi
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Kimberly M Ramonell
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ching-Wen Chen
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Jianfeng Xie
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.,Department of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Zhe Liang
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Deena B Chihade
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Shunsuke Otani
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.,Department of General Medical Science, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Emergency and Critical Care Medicine, Eastern Chiba Medical Center, Togane, Japan
| | - Craig M Coopersmith
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.,Emory Critical Care Center and
| | - Mandy L Ford
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA.,Emory Transplant Center, Emory University School of Medicine, Atlanta, Georgia, USA
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50
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Mikami N, Tani H, Kawakami R, Sugimoto A, Sakaguchi S, Ikuta T. Brazilian green propolis promotes TNFR2 expression on regulatory T cells. Food Sci Nutr 2021; 9:3200-3208. [PMID: 34136184 PMCID: PMC8194755 DOI: 10.1002/fsn3.2281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 01/20/2023] Open
Abstract
FoxP3+ regulatory T cells (Tregs) are needed to suppress inflammatory diseases and maintain immune homeostasis. The suppressive function of Tregs can be used to control autoimmune or inflammatory diseases; therefore, it is well studied how Tregs can be artificially up- or downregulated in vitro and in vivo, by using antibodies, chemical compounds, foods, and natural resources. Propolis is a famous functional food that has an anti-inflammatory effect. However, the influences of propolis on Treg function have not been fully evaluated so far. Here, we demonstrated that Brazilian green propolis increases TNFR2 expression in Tregs via the IRF4/cMyc axis, and artepillin C was a major effective component of propolis on Tregs. These results indicate that propolis and artepillin C have the potential as Treg activators via TNFR2 expression and may be useful for the prevention and/or therapy of autoimmune or inflammatory diseases.
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Affiliation(s)
- Norihisa Mikami
- Department of Experimental ImmunologyImmunology Frontier Research CenterOsaka UniversitySuitaJapan
| | - Hiroko Tani
- Institute for Bee Products and Health ScienceYamada Bee Company, Inc.OkayamaJapan
| | - Ryoji Kawakami
- Department of Experimental ImmunologyImmunology Frontier Research CenterOsaka UniversitySuitaJapan
| | - Atsushi Sugimoto
- Department of Experimental ImmunologyImmunology Frontier Research CenterOsaka UniversitySuitaJapan
| | - Shimon Sakaguchi
- Department of Experimental ImmunologyImmunology Frontier Research CenterOsaka UniversitySuitaJapan
| | - Tomoki Ikuta
- Institute for Bee Products and Health ScienceYamada Bee Company, Inc.OkayamaJapan
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