1
|
Ingelfinger F, Kuiper KL, Ulutekin C, Rindlisbacher L, Mundt S, Gerdes LA, Smolders J, van Luijn MM, Becher B. Twin study dissects CXCR3 + memory B cells as non-heritable feature in multiple sclerosis. Med 2024; 5:368-373.e3. [PMID: 38531361 PMCID: PMC11018360 DOI: 10.1016/j.medj.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/18/2024] [Accepted: 02/27/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND In multiple sclerosis (MS), B cells are considered main triggers of the disease, likely as the result of complex interaction between genetic and environmental risk factors. Studies on monozygotic twins discordant for MS offer a unique way to reduce this complexity and reveal discrepant subsets. METHODS In this study, we analyzed B cell subsets in blood samples of monozygotic twins with and without MS using publicly available data. We verified functional characteristics by exploring the role of therapy and performed separate analyses in unrelated individuals. FINDINGS The frequencies of CXCR3+ memory B cells were reduced in the blood of genetically identical twins with MS compared to their unaffected twin siblings. Natalizumab (anti-VLA-4 antibody) was the only treatment regimen under which these frequencies were reversed. The CNS-homing features of CXCR3+ memory B cells were supported by elevated CXCL10 levels in MS cerebrospinal fluid and their in vitro propensity to develop into antibody-secreting cells. CONCLUSIONS Circulating CXCR3+ memory B cells are affected by non-heritable cues in people who develop MS. This underlines the requirement of environmental risk factors such as Epstein-Barr virus in triggering these B cells. We propose that after CXCL10-mediated entry into the CNS, CXCR3+ memory B cells mature into antibody-secreting cells to drive MS. FUNDING This work was supported by Nationaal MS Fonds (OZ2021-016), Stichting MS Research (19-1057 MS, 20-490f MS, and 21-1142 MS), the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program grant agreement no. 882424, and the Swiss National Science Foundation (733 310030_170320, 310030_188450, and CRSII5_183478).
Collapse
Affiliation(s)
- Florian Ingelfinger
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Kirsten L Kuiper
- Department of Immunology, MS Center ErasMS, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Can Ulutekin
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Lukas Rindlisbacher
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Sarah Mundt
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland
| | - Lisa Ann Gerdes
- Institute of Clinical Neuroimmunology, University Hospital, LMU Munich, Munich, Germany; Biomedical Center (BMC), Faculty of Medicine, LMU Munich, Martinsried, Germany; Munich Cluster of Systems Neurology (SyNergy), Munich, Germany
| | - Joost Smolders
- Department of Immunology, MS Center ErasMS, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Neurology, MS Center ErasMS, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, the Netherlands
| | - Marvin M van Luijn
- Department of Immunology, MS Center ErasMS, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zurich, Zurich, Switzerland.
| |
Collapse
|
2
|
Liu H, Wang Y, Le Q, Tong J, Wang H. The IFN-γ-CXCL9/CXCL10-CXCR3 axis in vitiligo: Pathological mechanism and treatment. Eur J Immunol 2024; 54:e2250281. [PMID: 37937817 DOI: 10.1002/eji.202250281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 10/24/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023]
Abstract
Vitiligo is a disease featuring distinct white patches that result from melanocyte destruction. The overall pathogenesis of vitiligo remains to be elucidated. Nevertheless, considerable research indicates that adaptive immune activation plays a key role in this process. Specifically, the interferon-gamma (IFN-γ), C-X-C motif chemokine ligands (CXCL9/10), and C-X-C motif chemokine receptor (CXCR3) signaling axis, collectively referred to as IFN-γ-CXCL9/10-CXCR3 or ICC axis, has emerged as a key mediator responsible for the recruitment of autoimmune CXCR3+ CD8+ T cells. These cells serve as executioners of melanocytes by promoting their detachment and apoptosis. Moreover, IFN-γ is generated by activated T cells to create a positive feedback loop, exacerbating the autoimmune response. This review not only delves into the mechanistic insights of the ICC axis but also explores the significant immunological effects of associated cytokines and their receptors. Additionally, the review provides a thorough comparison of existing and emerging treatment options that target the ICC axis for managing vitiligo. This review aims to foster further advancements in basic research within related fields and facilitate a deeper understanding of alternative treatment strategies targeting different elements of the axis.
Collapse
Affiliation(s)
- Hanqing Liu
- Precision Research Center for Refractory Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
| | - Yihui Wang
- College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
| | - Qianqian Le
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
| | - Jiajia Tong
- Shanghai Institute of Immunology, Precision Research Center for Refractory Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
| | - Honglin Wang
- Precision Research Center for Refractory Diseases, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China
| |
Collapse
|
3
|
Hosaka S, Imagawa K, Yano Y, Lin L, Shiono J, Takahashi-Igari M, Hara H, Hayashi D, Imai H, Morita A, Fukushima H, Takada H. The CXCL10-CXCR3 axis plays an important role in Kawasaki disease. Clin Exp Immunol 2024; 216:104-111. [PMID: 37952216 PMCID: PMC10929692 DOI: 10.1093/cei/uxad125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/25/2023] [Accepted: 11/08/2023] [Indexed: 11/14/2023] Open
Abstract
The precise pathogenesis of Kawasaki disease remains unknown. In an attempt to elucidate the pathogenesis of KD through the analysis of acquired immunity, we comprehensively examined the immunophenotypic changes in immune cells such as lymphocytes and monocytes along with various cytokines, focusing on differences between pre- and post- treatment samples. We found high levels of CXCL9 and CXCL10 chemokines that decreased with treatment, which coincided with a post-treatment expansion of Th1 cells expressing CXCR3. Our results show that the CXCL10-CXCR3 axis plays an important role in the pathogenesis of KD.
Collapse
Affiliation(s)
- Sho Hosaka
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
| | - Kazuo Imagawa
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
- Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan
| | - Yusuke Yano
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
- Department of Pediatric Cardiology, Ibaraki Children's Hospital, Mito City, Japan
| | - Lisheng Lin
- Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan
- Department of Pediatric Cardiology, Ibaraki Children's Hospital, Mito City, Japan
| | - Junko Shiono
- Department of Pediatric Cardiology, Ibaraki Children's Hospital, Mito City, Japan
| | | | - Hideki Hara
- Department of Pediatrics, Tsukuba Medical Center Hospital, Tsukuba City, Japan
| | - Daisuke Hayashi
- Department of Pediatrics, Tsukuba Medical Center Hospital, Tsukuba City, Japan
| | - Hironori Imai
- Department of Pediatrics, Tsukuba Medical Center Hospital, Tsukuba City, Japan
| | - Atsushi Morita
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
| | - Hiroko Fukushima
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
- Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan
| | - Hidetoshi Takada
- Department of Pediatrics, University of Tsukuba Hospital, Tsukuba City, Japan
- Department of Child Health, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan
| |
Collapse
|
4
|
Singh A, Ghosh R, Asuru TR, Prajapat SK, Joshi G, Gaur KK, Shrimali NM, Ojha A, Vikram NK, Poncz M, Kalia M, Guchhait P. Inhibition of cellular activation induced by platelet factor 4 via the CXCR3 pathway ameliorates Japanese encephalitis and dengue viral infections. J Thromb Haemost 2024; 22:818-833. [PMID: 38029855 DOI: 10.1016/j.jtha.2023.11.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 11/05/2023] [Accepted: 11/10/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND Activated platelets secrete platelet factor 4 (PF4), which contributes to viral pathogenesis. Recently, we reported the proviral role of PF4 in replication of closely related flaviviruses, Japanese encephalitis virus (JEV) and dengue virus (DENV). OBJECTIVES This study aimed to investigate the detailed mechanism of PF4-mediated virus replication. METHODS PF4-/- or wild-type (WT) mice were infected with JEV, and host defense mechanisms, including autophagic/interferon (IFN) responses, were assessed. WT mice were pretreated with the CXCR3 antagonist AMG487 that inhibits PF4:CXCR3 pathway. This pathway was tested in PF4-/- monocytes infected with DENV or in monocytes isolated from patients with DENV infection. RESULTS PF4-/- mice infected with JEV showed reduced viral load and improved brain inflammation and survival. PF4-/- mice synthesized more IFN-α/β with higher expression of phosphorylated IRF3 in the brain. PF4 treatment decreased IRF-3/7/9 and IFN-α/β expression and suppressed autophagic LC3-II flux and lysosomal degradation of viral proteins in JEV-infected cells. PF4 increased the expression of P-mTOR, P-p38, and P-ULK1Ser757 and decreased expression of LC3-II. Decreased autophagosome-lysosome fusion in turn promoted DENV2 replication. The above processes were reversed by AMG487. Uninfected PF4-/- monocytes showed elevated LC3-II and autophagosome-lysosome fusion. Microglia of JEV-infected PF4-/- mice exhibited elevated LC3-II inversely related to viral load. Similarly, monocytes from PF4-/- mice showed reduced infection by DENV2. In patients with DENV infection, higher plasma PF4 and viral load were inversely correlated with LC3-II, LAMP-1, and lysosomal degradation of DENV-NS1 in monocytes during the febrile phase. CONCLUSION These studies suggest that PF4 deficiency or inhibition of the PF4:CXCR3 pathway prevents JEV and DENV infection. The studies also highlight the PF4:CXCR3 axis as a potential target to develop treatment regimens against flaviviruses.
Collapse
Affiliation(s)
- Anamika Singh
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Riya Ghosh
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Tejeswara Rao Asuru
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Surendra K Prajapat
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Garima Joshi
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Kishan K Gaur
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Nishith M Shrimali
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Amrita Ojha
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India; Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, California, USA
| | - Naval K Vikram
- Division of Infectious Disease, All India Institute of Medical Sciences, New Delhi, India
| | - Mortimer Poncz
- Division of Hematology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Manjula Kalia
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India
| | - Prasenjit Guchhait
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, Haryana, India.
| |
Collapse
|
5
|
Drews SJ. Commentary on "Inhibition of cellular activation induced by platelet factor 4 via the CXCR3 pathway ameliorates Japanese encephalitis and dengue viral infections". J Thromb Haemost 2024; 22:609-612. [PMID: 38417982 DOI: 10.1016/j.jtha.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/04/2023] [Accepted: 12/05/2023] [Indexed: 03/01/2024]
Affiliation(s)
- Steven J Drews
- Canadian Blood Services, Microbiology Department, Donor Policy and Studies, Edmonton, Alberta, Canada; Division of Diagnostic and Applied Microbiology, Department of Laboratory Medicine & Pathology, University of Alberta, Edmonton, Alberta, Canada.
| |
Collapse
|
6
|
Livne-Bar I, Maurya S, Gronert K, Sivak JM. Lipoxins A 4 and B 4 inhibit glial cell activation via CXCR3 signaling in acute retinal neuroinflammation. J Neuroinflammation 2024; 21:18. [PMID: 38212822 PMCID: PMC10782675 DOI: 10.1186/s12974-024-03010-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 01/01/2024] [Indexed: 01/13/2024] Open
Abstract
Lipoxins are small lipids that are potent endogenous mediators of systemic inflammation resolution in a variety of diseases. We previously reported that Lipoxins A4 and B4 (LXA4 and LXB4) have protective activities against neurodegenerative injury. Yet, lipoxin activities and downstream signaling in neuroinflammatory processes are not well understood. Here, we utilized a model of posterior uveitis induced by lipopolysaccharide endotoxin (LPS), which results in rapid retinal neuroinflammation primarily characterized by activation of resident macroglia (astrocytes and Müller glia), and microglia. Using this model, we observed that each lipoxin reduces acute inner retinal inflammation by affecting endogenous glial responses in a cascading sequence beginning with astrocytes and then microglia, depending on the timing of exposure; prophylactic or therapeutic. Subsequent analyses of retinal cytokines and chemokines revealed inhibition of both CXCL9 (MIG) and CXCL10 (IP10) by each lipoxin, compared to controls, following LPS injection. CXCL9 and CXCL10 are common ligands for the CXCR3 chemokine receptor, which is prominently expressed in inner retinal astrocytes and ganglion cells. We found that CXCR3 inhibition reduces LPS-induced neuroinflammation, while CXCR3 agonism alone induces astrocyte reactivity. Together, these data uncover a novel lipoxin-CXCR3 pathway to promote distinct anti-inflammatory and proresolution cascades in endogenous retinal glia.
Collapse
Affiliation(s)
- Izhar Livne-Bar
- Department of Vision Sciences, Donald K Johnson Eye Institute, Krembil Research Institute, University Health Network, Krembil Discovery Tower, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada
- Department of Ophthalmology and Vision Science, University of Toronto School of Medicine, Toronto, Canada
| | - Shubham Maurya
- Herbert Wertheim School of Optometry and Vision Science, University of California Berkeley, Berkeley, CA, USA
| | - Karsten Gronert
- Herbert Wertheim School of Optometry and Vision Science, University of California Berkeley, Berkeley, CA, USA
- Vision Science Program, University of California Berkeley, Berkeley, CA, USA
- Infectious Disease and Immunity Program, University of California Berkeley, Berkeley, CA, USA
| | - Jeremy M Sivak
- Department of Vision Sciences, Donald K Johnson Eye Institute, Krembil Research Institute, University Health Network, Krembil Discovery Tower, 60 Leonard Avenue, Toronto, ON, M5T 0S8, Canada.
- Department of Ophthalmology and Vision Science, University of Toronto School of Medicine, Toronto, Canada.
- Department of Laboratory Medicine and Pathobiology, University of Toronto School of Medicine, Toronto, Canada.
| |
Collapse
|
7
|
Yoshida K, Misumi M, Yamaoka M, Kyoizumi S, Ohishi W, Sugiyama H, Hayashi T, Kusunoki Y. Naive CD4 T Cells Highly Expressing the Inflammatory Chemokine Receptor CXCR3 Increase with Age and Radiation Exposure in Atomic Bomb Survivors. Radiat Res 2024; 201:71-76. [PMID: 37989111 DOI: 10.1667/rade-23-00065.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 11/03/2023] [Indexed: 11/23/2023]
Abstract
The numbers of naive T cells that react to novel pathogens not yet encountered by an immune system, decrease during aging, mainly due to age-associated involution of the thymus. CD45RA+ naive CD4 T cells consist of heterogeneous populations, including highly CXCR3-expressing cells that appear during the homeostatic proliferation of naive T cells and exhibit enhanced type-1 inflammatory phenotypes. Based on previous evidence of radiation-associated reductions in thymic function and peripheral blood naive CD4 T cells, we hypothesized that the homeostatic proliferation of naive CD4 T cells compensates for deficits in peripheral T-cell populations after radiation injury, which may increase the proportion of CXCR3high cells in naive CD4 T cells and enhance inflammation. The statistical models employed in this study revealed positive associations between the number of CXCR3high naive CD4 T cells and age as well as radiation dose among 580 Hiroshima atomic bomb survivors. In addition, the CXCR3high cells in these survivors increased not only with the levels of homeostatic cytokines, IL6 and IL7, but also with those of inflammatory indicators, CXCL10 and CRP. These results suggest that thymic T-cell production deficiency due to radiation and aging results in enhanced homeostatic proliferation that drives the appearance of CXCR3high naive CD4 T cells poised for an inflammatory response. Molecular mechanisms and clinical relevance of increasing CXCR3high cells in naive CD4 T populations should be further investigated in the context of inflammatory disease development long after radiation exposure.
Collapse
Affiliation(s)
- Kengo Yoshida
- Department of Molecular Biosciences, Radiation Effects Research Foundation, Hiroshima
| | - Munechika Misumi
- Department of Statistics, Radiation Effects Research Foundation, Hiroshima
| | - Mika Yamaoka
- Department of Molecular Biosciences, Radiation Effects Research Foundation, Hiroshima
| | - Seishi Kyoizumi
- Department of Molecular Biosciences, Radiation Effects Research Foundation, Hiroshima
| | - Waka Ohishi
- Department of Clinical Studies, Radiation Effects Research Foundation, Hiroshima
| | - Hiromi Sugiyama
- Department of Epidemiology, Radiation Effects Research Foundation, Hiroshima
| | - Tomonori Hayashi
- Department of Molecular Biosciences, Radiation Effects Research Foundation, Hiroshima
| | - Yoichiro Kusunoki
- Department of Molecular Biosciences, Radiation Effects Research Foundation, Hiroshima
| |
Collapse
|
8
|
Abstract
The human CXCR3 receptor was initially identified and cloned in the mid-1990s. In the process of understanding CXCR3, it gradually found that it plays an important role in the process of a variety of diseases, including inflammation, immune diseases, cancer, cardiovascular diseases, central nervous system diseases, etc., which attracted the attention of many researchers. Subsequently, some small molecule inhibitors targeting CXCR3 receptors were also developed. Unfortunately, no CXCR3 inhibitors have been approved for marketing by FDA. Up to now, only one CXCR3 small molecule inhibitor has entered the clinical trial stage, but it has not achieved ideal results in the end. Therefore, there is still much to think about and explore for the development of CXCR3 inhibitors. This article reviews the important role of CXCR3 in various physiological and pathological processes and some small molecule inhibitors of CXCR3.
Collapse
Affiliation(s)
- Zhuo Yuan
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| |
Collapse
|
9
|
Christen U, Pouzol L, Tunis M, Sassi A, Tondello C, Bayer M, Hintermann E, Strasser DS, Schuldes S, Mentzel U, Martinic MM. Combination treatment of a novel CXCR3 antagonist ACT-777991 with an anti-CD3 antibody synergistically increases persistent remission in experimental models of type 1 diabetes. Clin Exp Immunol 2023; 214:131-143. [PMID: 37458220 PMCID: PMC10714188 DOI: 10.1093/cei/uxad083] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/29/2023] [Accepted: 07/15/2023] [Indexed: 12/18/2023] Open
Abstract
Treatment of patients with recent-onset type 1 diabetes with an anti-CD3 antibody leads to the transient stabilization of C-peptide levels in responder patients. Partial efficacy may be explained by the entry of islet-reactive T-cells spared by and/or regenerated after the anti-CD3 therapy. The CXCR3/CXCL10 axis has been proposed as a key player in the infiltration of autoreactive T cells into the pancreatic islets followed by the destruction of β cells. Combining the blockade of this axis using ACT-777991, a novel small-molecule CXCR3 antagonist, with anti-CD3 treatment may prevent further infiltration and β-cell damage and thus, preserve insulin production. The effect of anti-CD3 treatment on circulating T-cell subsets, including CXCR3 expression, in mice was evaluated by flow cytometry. Anti-CD3/ACT-777991 combination treatment was assessed in the virally induced RIP-LCMV-GP and NOD diabetes mouse models. Treatments started at disease onset. The effects on remission rate, blood glucose concentrations, insulitis, and plasma C-peptide were evaluated for the combination treatment and the respective monotherapies. Anti-CD3 treatment induced transient lymphopenia but spared circulating CXCR3+ T cells. Combination therapy in both mouse models synergistically and persistently reduced blood glucose concentrations, resulting in increased disease remission rates compared to each monotherapy. At the study end, mice in disease remission demonstrated reduced insulitis and detectable plasma C-peptide levels. When treatments were initiated in non-severely hyperglycemic NOD mice at diabetes onset, the combination treatment led to persistent disease remission in all mice. These results provide preclinical validation and rationale to investigate the combination of ACT-777991 with anti-CD3 for the treatment of patients with recent-onset diabetes.
Collapse
Affiliation(s)
- Urs Christen
- Pharmazentrum Frankfurt, Goethe University Frankfurt, Germany
| | - Laetitia Pouzol
- Immunology and Pharmacology Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | - Mélanie Tunis
- Immunology and Pharmacology Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | - Anna Sassi
- Immunology and Pharmacology Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | | | - Monika Bayer
- Pharmazentrum Frankfurt, Goethe University Frankfurt, Germany
| | | | - Daniel S Strasser
- Translational Biomarkers Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | - Sabrina Schuldes
- Project Management Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | - Ulrich Mentzel
- Pharmacology and Preclinical Development Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| | - Marianne M Martinic
- Immunology and Pharmacology Department, Idorsia Pharmaceuticals Ltd., Hegenheimermattweg 91, Allschwil, Switzerland
| |
Collapse
|
10
|
Zhang L, Du F, Jin Q, Sun L, Wang B, Tan Z, Meng X, Huang B, Zhan Y, Su W, Song R, Wu C, Chen L, Chen X, Ding X. Identification and Characterization of CD8 + CD27 + CXCR3 - T Cell Dysregulation and Progression-Associated Biomarkers in Systemic Lupus Erythematosus. Adv Sci (Weinh) 2023; 10:e2300123. [PMID: 37875396 PMCID: PMC10724430 DOI: 10.1002/advs.202300123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 08/04/2023] [Indexed: 10/26/2023]
Abstract
Systemic Lupus Erythematosus (SLE) etiopathogenesis highlights the contributions of overproduction of CD4+ T cells and loss of immune tolerance. However, the involvement of CD8+ T cells in SLE pathology and disease progression remains unclear. Here, the comprehensive immune cell dysregulation in total 263 clinical peripheral blood samples composed of active SLE (aSLE), remission SLE (rSLE) and healthy controls (HCs) is investigated via mass cytometry, flow cytometry and single-cell RNA sequencing. This is observed that CD8+ CD27+ CXCR3- T cells are increased in rSLE compare to aSLE. Meanwhile, the effector function of CD8+ CD27+ CXCR3- T cells are overactive in aSLE compare to HCs and rSLE, and are positively associated with clinical SLE activity. In addition, the response of peripheral blood mononuclear cells (PBMCs) is monitored to interleukin-2 stimulation in aSLE and rSLE to construct dynamic network biomarker (DNB) model. It is demonstrated that DNB score-related parameters can faithfully predict the remission of aSLE and the flares of rSLE. The abundance and functional dysregulation of CD8+ CD27+ CXCR3- T cells can be potential biomarkers for SLE prognosis and concomitant diagnosis. The DNB score with accurate prediction to SLE disease progression can provide clinical treatment suggestions especially for drug dosage determination.
Collapse
Affiliation(s)
- Lulu Zhang
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| | - Fang Du
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| | - Qiqi Jin
- Key Laboratory of Systems BiologyCenter for Excellence in Molecular Cell ScienceShanghai Institute of Biochemistry and Cell BiologyChinese Academy of SciencesShanghai200031China
- University of Chinese Academy of SciencesBeijing100049China
- School of Life Science and TechnologyShanghaiTech UniversityShanghai201210China
| | - Li Sun
- Department of Rheumatology and ImmunologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhou325000China
| | - Boqian Wang
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| | - Ziyang Tan
- Science for Life LaboratoryDepartment of Women's and Children's HealthKarolinska InstitutetSolna17121Sweden
| | - Xinyu Meng
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| | - Baozhen Huang
- Department of Chemical PathologyLi Ka Shing Institute of Health SciencesFaculty of MedicineThe Chinese University of Hong KongHong Kong999077China
| | - Yifan Zhan
- Drug DiscoveryShanghai Huaota Biopharmaceutical Co. Ltd.Shanghai200131China
| | - Wenqiong Su
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| | - Rui Song
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
- Nantong First People's HospitalAffiliated Hospital 2 of Nantong UniversityNantong Hospital of Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
| | - Chunmei Wu
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
| | - Luonan Chen
- Key Laboratory of Systems BiologyCenter for Excellence in Molecular Cell ScienceShanghai Institute of Biochemistry and Cell BiologyChinese Academy of SciencesShanghai200031China
- School of Life Science and TechnologyShanghaiTech UniversityShanghai201210China
- Key Laboratory of Systems Health Science of Zhejiang ProvinceSchool of Life ScienceHangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesChinese Academy of SciencesHangzhou310024China
| | - Xiaoxiang Chen
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
| | - Xianting Ding
- Department of RheumatologyShanghai Jiao Tong University School of Medicine Affiliated Renji Hospital and School of Biomedical EngineeringShanghai200030China
- State Key Laboratory of Oncogenes and Related GenesInstitute for Personalized MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200001China
| |
Collapse
|
11
|
Reijm S, Kwekkeboom JC, Blomberg NJ, Suurmond J, van der Woude D, Toes RE, Scherer HU. Autoreactive B cells in rheumatoid arthritis include mainly activated CXCR3+ memory B cells and plasmablasts. JCI Insight 2023; 8:e172006. [PMID: 37725442 PMCID: PMC10619489 DOI: 10.1172/jci.insight.172006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 09/06/2023] [Indexed: 09/21/2023] Open
Abstract
Many autoimmune diseases (AIDs) are characterized by the persistence of autoreactive B cell responses, which have been directly implicated in disease pathogenesis. How and why these cells are generated or how they are maintained for years is largely unknown. Rheumatoid arthritis (RA) is among the most common AIDs and is characterized by autoantibodies recognizing proteins with posttranslational modifications (PTMs). This PTM-directed autoreactive B cell compartment is ill defined. Here, we visualized the B cell response against the three main types of PTM antigens implicated in RA by spectral flow cytometry. Our results showed extensive cross-reactivity of PTM-directed B cells against all three PTM antigens (citrulline, homocitrulline, and acetyllysine). Unsupervised clustering revealed several distinct memory B cell (mBC) populations. PTM-directed cells clustered with the most recently activated class-switched mBC phenotype, with high CD80, low CD24, and low CD21 expression. Notably, patients also harbored large fractions of PTM-directed plasmablasts (PBs). Both PTM-directed mBCs and PBs showed high expression of CXCR3, a receptor for chemokines present in abundance in arthritic joints. Together, our data provide detailed insight into the biology of B cell autoreactivity and its remarkable, seemingly exhaustless persistence in a prominent human AID.
Collapse
|
12
|
Dragan P, Joshi K, Atzei A, Latek D. Keras/TensorFlow in Drug Design for Immunity Disorders. Int J Mol Sci 2023; 24:15009. [PMID: 37834457 PMCID: PMC10573944 DOI: 10.3390/ijms241915009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/21/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
Homeostasis of the host immune system is regulated by white blood cells with a variety of cell surface receptors for cytokines. Chemotactic cytokines (chemokines) activate their receptors to evoke the chemotaxis of immune cells in homeostatic migrations or inflammatory conditions towards inflamed tissue or pathogens. Dysregulation of the immune system leading to disorders such as allergies, autoimmune diseases, or cancer requires efficient, fast-acting drugs to minimize the long-term effects of chronic inflammation. Here, we performed structure-based virtual screening (SBVS) assisted by the Keras/TensorFlow neural network (NN) to find novel compound scaffolds acting on three chemokine receptors: CCR2, CCR3, and one CXC receptor, CXCR3. Keras/TensorFlow NN was used here not as a typically used binary classifier but as an efficient multi-class classifier that can discard not only inactive compounds but also low- or medium-activity compounds. Several compounds proposed by SBVS and NN were tested in 100 ns all-atom molecular dynamics simulations to confirm their binding affinity. To improve the basic binding affinity of the compounds, new chemical modifications were proposed. The modified compounds were compared with known antagonists of these three chemokine receptors. Known CXCR3 compounds were among the top predicted compounds; thus, the benefits of using Keras/TensorFlow in drug discovery have been shown in addition to structure-based approaches. Furthermore, we showed that Keras/TensorFlow NN can accurately predict the receptor subtype selectivity of compounds, for which SBVS often fails. We cross-tested chemokine receptor datasets retrieved from ChEMBL and curated datasets for cannabinoid receptors. The NN model trained on the cannabinoid receptor datasets retrieved from ChEMBL was the most accurate in the receptor subtype selectivity prediction. Among NN models trained on the chemokine receptor datasets, the CXCR3 model showed the highest accuracy in differentiating the receptor subtype for a given compound dataset.
Collapse
Affiliation(s)
- Paulina Dragan
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-903 Warsaw, Poland; (P.D.); (A.A.)
| | - Kavita Joshi
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-903 Warsaw, Poland; (P.D.); (A.A.)
| | - Alessandro Atzei
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-903 Warsaw, Poland; (P.D.); (A.A.)
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, SS 554, 09042 Cagliari, Italy
| | - Dorota Latek
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-903 Warsaw, Poland; (P.D.); (A.A.)
| |
Collapse
|
13
|
Yoshikawa T, Oguchi A, Toriu N, Sato Y, Kobayashi T, Ogawa O, Haga H, Sakurai S, Yamamoto T, Murakawa Y, Yanagita M. Tertiary Lymphoid Tissues Are Microenvironments with Intensive Interactions between Immune Cells and Proinflammatory Parenchymal Cells in Aged Kidneys. J Am Soc Nephrol 2023; 34:1687-1708. [PMID: 37548710 PMCID: PMC10561819 DOI: 10.1681/asn.0000000000000202] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 07/10/2023] [Indexed: 08/08/2023] Open
Abstract
SIGNIFICANCE STATEMENT Ectopic lymphoid structures called tertiary lymphoid tissues (TLTs) develop in several kidney diseases and are associated with poor renal prognosis. However, the mechanisms underlying TLT expansion and their effect on renal regeneration remain unclear. The authors report that single-nucleus RNA sequencing and validation experiments demonstrate that TLTs potentially amplify inflammation in aged injured kidneys. Lymphocytes within TLTs promote proinflammatory phenotypes of the surrounding proximal tubules and fibroblasts within the TLTs via proinflammatory cytokine production. These proinflammatory parenchymal cells then interact with immune cells by chemokine or cytokine production. Such cell-cell interactions potentially increase inflammation, expand TLTs, and exacerbate kidney injury. These findings help illuminate renal TLT pathology and suggest potential therapeutic targets. BACKGROUND Ectopic lymphoid structures called tertiary lymphoid tissues (TLTs) develop in several kidney diseases and are associated with poor renal prognosis. However, the mechanisms that expand TLTs and underlie exacerbation of kidney injury remain unclear. METHODS We performed single-nucleus RNA sequencing (snRNA-seq) on aged mouse kidneys with TLTs after ischemia-reperfusion injury. The results were validated using immunostaining, in situ hybridization of murine and human kidneys, and in vitro experiments. RESULTS Using snRNA-seq, we identified proinflammatory and profibrotic Vcam1+ injured proximal tubules (PTs) with NF κ B and IFN-inducible transcription factor activation. VCAM1 + PTs were preferentially localized around TLTs and drove inflammation and fibrosis via the production of multiple chemokines or cytokines. Lymphocytes within TLTs expressed Tnf and Ifng at high levels, which synergistically upregulated VCAM1 and chemokine expression in cultured PT cells. In addition, snRNA-seq also identified proinflammatory and profibrotic fibroblasts, which resided within and outside TLTs, respectively. Proinflammatory fibroblasts exhibited STAT1 activation and various chemokine or cytokine production, including CXCL9/CXCL10 and B cell-activating factor, contributing to lymphocyte recruitment and survival. IFN γ upregulated the expression of these molecules in cultured fibroblasts in a STAT1-dependent manner, indicating potential bidirectional interactions between IFN γ -producing CXCR3 + T cells and proinflammatory fibroblasts within TLTs. The cellular and molecular components described in this study were confirmed in human kidneys with TLTs. CONCLUSIONS These findings suggest that TLTs potentially amplify inflammation by providing a microenvironment that allows intense interactions between renal parenchymal and immune cells. These interactions may serve as novel therapeutic targets in kidney diseases involving TLT formation.
Collapse
Affiliation(s)
- Takahisa Yoshikawa
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akiko Oguchi
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan
| | - Naoya Toriu
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan
| | - Yuki Sato
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Kobayashi
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Ogawa
- Department of Urology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hironori Haga
- Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoko Sakurai
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Takuya Yamamoto
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
- Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
| | - Yasuhiro Murakawa
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan
- IFOM-ETS, Milan, Italy
| | - Motoko Yanagita
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Kyoto, Japan
| |
Collapse
|
14
|
Ding W, Xu D, Li F, Huang C, Song T, Zhong N, Lai K, Deng Z. Intrapulmonary IFN-γ instillation causes chronic lymphocytic inflammation in the spleen and lung through the CXCR3 pathway. Int Immunopharmacol 2023; 122:110675. [PMID: 37481849 DOI: 10.1016/j.intimp.2023.110675] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/05/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
Some patients with chronic refractory cough have high levels of pulmonary IFN-γ and IFN-γ-producing T lymphocytes. Pulmonary IFN-γ administration causes acute airway lymphocytic inflammation and cough hypersensitivity by increasing the number of pulmonary IFN-γ-producing T lymphocytes, but these lymphocytes may be recruited from other organs. Intraperitoneal IFN-γ injection can increase the spleen weight of mice. It remains elusive whether pulmonary IFN-γ can induce chronic airway lymphocytic inflammation and cough hypersensitivity by stimulating the proliferation of IFN-γ -producing T lymphocytes in the spleen. Here, we found that pulmonary IFN-γ administration induced chronic airway inflammation and chronic cough hypersensitivity with an increased number of IFN-γ-producing T lymphocytes in the spleen, blood and lung. Pulmonary IFN-γ administration also increased 1) the proliferation of spleen lymphocytes in vivo and 2) the IP-10 level and CXCR3+ T lymphocyte numbers in the spleen and lung of mice. IP-10 could promote the proliferation of spleen lymphocytes in vitro but not blood lymphocytes or lung-resident lymphocytes. AMG487, a potent inhibitor of binding between IP-10 and CXCR3, could block pulmonary IFN-γ instillation-induced chronic airway lymphocytic inflammation and the proliferation of IFN-γ-producing T lymphocytes in mouse spleens. In conclusion, intrapulmonary IFN-γ instillation may induce the proliferation of splenic IFN-γ-producing T lymphocytes through IP-10 and the CXCR3 pathway. The IFN-γ-producing T lymphocytes in blood, partly released from the mouse spleen, may be partly attracted to the lung by pulmonary IP-10 through the CXCR3 pathway. IFN-γ-producing T lymphocytes and IFN-γ in the lung may cause chronic airway lymphocytic inflammation and chronic cough hypersensitivity.
Collapse
Affiliation(s)
- Wenbin Ding
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Dongting Xu
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Fengying Li
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chuqin Huang
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Tongtong Song
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Nanshan Zhong
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Kefang Lai
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| | - Zheng Deng
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
| |
Collapse
|
15
|
Burrack AL, Spartz EJ, Rollins MR, Miller EA, Firulyova M, Cruz E, Goldberg MF, Wang IX, Nanda H, Shen S, Zaitsev K, Stromnes IM. Cxcr3 constrains pancreatic cancer dissemination through instructing T cell fate. Cancer Immunol Immunother 2023; 72:1461-1478. [PMID: 36472588 PMCID: PMC10198906 DOI: 10.1007/s00262-022-03338-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022]
Abstract
Pancreatic ductal adenocarcinoma (PDA) is a lethal and metastatic malignancy resistant to therapy. Elucidating how pancreatic tumor-specific T cells differentiate and are maintained in vivo could inform novel therapeutic avenues to promote T cell antitumor activity. Here, we show that the spleen is a critical site harboring tumor-specific CD8 T cells that functionally segregate based on differential Cxcr3 and Klrg1 expression. Cxcr3+ Klrg1- T cells express the memory stem cell marker Tcf1, whereas Cxcr3-Klrg1 + T cells express GzmB consistent with terminal differentiation. We identify a Cxcr3+ Klrg1+ intermediate T cell subpopulation in the spleen that is highly enriched for tumor specificity. However, tumor-specific T cells infiltrating primary tumors progressively downregulate both Cxcr3 and Klrg1 while upregulating exhaustion markers PD-1 and Lag-3. We show that antigen-specific T cell infiltration into PDA is Cxcr3 independent. Further, Cxcr3-deficiency results in enhanced antigen-specific T cell IFNγ production in primary tumors, suggesting that Cxcr3 promotes loss of effector function. Ultimately, however, Cxcr3 was critical for mitigating cancer cell dissemination following immunotherapy with CD40 agonist + anti-PD-L1 or T cell receptor engineered T cell therapy targeting mesothelin. In the absence of Cxcr3, splenic Klrg1 + GzmB + antitumor T cells wain while pancreatic cancer disseminates suggesting a role for these cells in eliminating circulating metastatic tumor cells. Intratumoral myeloid cells are poised to produce Cxcl10, whereas splenic DC subsets produce Cxcl9 following immunotherapy supporting differential roles for these chemokines on T cell differentiation. Together, our study supports that Cxcr3 mitigates tumor cell dissemination by impacting peripheral T cell fate rather than intratumoral T cell trafficking.
Collapse
Affiliation(s)
- Adam L Burrack
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Ellen J Spartz
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Meagan R Rollins
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Ebony A Miller
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Maria Firulyova
- Computer Technologies Laboratory, ITMO University, Saint Petersburg, Russia
| | - Eduardo Cruz
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Michael F Goldberg
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Iris X Wang
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA
| | - Hezkiel Nanda
- Institute for Health Informatics, University of Minnesota Medical School, Minneapolis, MN, 55414, USA
- Clinical Translational Science Institute, University of Minnesota, Minneapolis, MN, USA
| | - Steven Shen
- Institute for Health Informatics, University of Minnesota Medical School, Minneapolis, MN, 55414, USA
- Clinical Translational Science Institute, University of Minnesota, Minneapolis, MN, USA
| | - Konstantin Zaitsev
- Computer Technologies Laboratory, ITMO University, Saint Petersburg, Russia
| | - Ingunn M Stromnes
- Department of Microbiology and Immunology, University of Minnesota Medical School, 2101 6th St SE, 2-186 WMBB, Minneapolis, MN, 55414, USA.
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN, 55415, USA.
- Masonic Cancer Center, Minneapolis, USA.
- Center for Genome Engineering, University of Minnesota Medical School, Minneapolis, MN, 55414, USA.
| |
Collapse
|
16
|
Tokutsu A, Okada Y, Kurozumi A, Tanaka K, Kubo S, Tanaka Y. Possible involvement of CXCR3-CXCR6 + CD4 + T cells in Langerhans cell histiocytosis. J Bone Miner Metab 2023; 41:212-219. [PMID: 36629910 DOI: 10.1007/s00774-022-01397-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 12/22/2022] [Indexed: 01/12/2023]
Abstract
INTRODUCTION Langerhans cell histiocytosis (LCH) is a condition characterized by proliferation of Langerhans cells and wide-range pathologies, ranging from single granulomatous lesions to multi-organ involvement, associated with tissue destruction. LCH pathogenesis remains obscure although association with interleukin (IL)-17A has been reported. We report here a case that illustrates the potential pathogenic role of helper T17 (Th17) cells in LCH-related bone destruction. MATERIALS AND METHODS The patient was a 66-year-old woman. The clinical course included craniectomy and bone mass excision in X-9, diagnosis of LCH confirmed by histopathology, followed by 26-month chemotherapy. In August X, the patient was diagnosed with complete central diabetes insipidus. Symptoms improved after treatment with desmopressin. Pituitary magnetic resonance imaging showed swelling extending from the suprasellar region to the pituitary stalk, suggestive of LCH recurrence. This was followed by chemotherapy combined with mercaptopurine hydrate. RESULTS: Subsequent peripheral blood lymphocyte analysis showed marked increase in activated Th17 cells (CXCR3-CXCR6+ CD4+ T cells). Double staining for CD4 and IL-17 by immunofluorescence of pathological tissue samples obtained during temporal bone mass excision, which confirmed the diagnosis of LCH in X-9, showed areas of combined presence of CD4-positive cells and IL-17-positive cells. Chemotherapy resulted in size reduction of the pituitary lesion and decrease in peripheral blood-activated Th17 cells. CONCLUSIONS We found abundant peripheral blood-activated Th17 cells and high percentages of IL-17-producing cells in osteolytic bone lesions in LCH. This finding, together with the decrease in peripheral blood-activated Th17 cells following chemotherapy, suggests the potential involvement of activated Th17 cells in LCH-related osteolysis.
Collapse
Affiliation(s)
- Akemi Tokutsu
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan
| | - Yosuke Okada
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan
| | - Akira Kurozumi
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan
| | - Kenichi Tanaka
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan
| | - Satoshi Kubo
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan
| | - Yoshiya Tanaka
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushyu-shi, Kitakyushu, 807-8555, Japan.
| |
Collapse
|
17
|
Tibúrcio R, Narendran G, Barreto-Duarte B, Queiroz ATL, Araújo-Pereira M, Anbalagan S, Nayak K, Ravichandran N, Subramani R, Antonelli LRV, Satagopan K, Anbalagan K, Porter BO, Sher A, Swaminathan S, Sereti I, Andrade BB. Frequency of CXCR3+ CD8+ T-Lymphocyte Subsets in Peripheral Blood Is Associated With the Risk of Paradoxical Tuberculosis-Associated Immune Reconstitution Inflammatory Syndrome Development in Advanced HIV Disease. Front Immunol 2022; 13:873985. [PMID: 35432354 PMCID: PMC9011055 DOI: 10.3389/fimmu.2022.873985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundTuberculosis-associated immune reconstitution inflammatory syndrome (TB-IRIS) is a clinical aggravation of TB symptoms observed among a fraction of HIV coinfected patients shortly after the start of antiretroviral therapy (ART). Of note, TB-IRIS is characterized by exacerbated inflammation and tissue damage that occurs in response to the elevated production of CD4+ T cell-derived IFN-γ. Nevertheless, the possible participation of CD8+ T cells in TB-IRIS development remains unclear.MethodsWe performed a comprehensive assessment of the composition of CD8+ T cell memory subsets and their association with circulating inflammation-related molecules in TB-HIV coinfected patients initiating ART.ResultsWe found that TB-IRIS individuals display higher frequencies of Antigen-experienced CD8+ T cells during the onset of IRIS and that the levels of these cells positively correlate with baseline mycobacterial smear grade. TB-IRIS individuals exhibited higher frequencies of effector memory and lower percentages of naïve CD8+ T cells than their Non-IRIS counterparts. In both TB-IRIS and Non-IRIS patients, ART commencement was associated with fewer significant correlations among memory CD8+ T cells and cells from other immune compartments. Networks analysis revealed distinct patterns of correlation between each memory subset with inflammatory cytokines suggesting different dynamics of CD8+ T cell memory subsets reconstitution. TB-IRIS patients displayed lower levels of memory cells positive for CXCR3 (a chemokine receptor that plays a role in trafficking activated CD8+ T cells to the tissues) than Non-IRIS individuals before and after ART. Furthermore, we found that CXCR3+ naïve CD8+ T cells were inversely associated with the risk of TB-IRIS development. On the other hand, we noticed that the frequencies of CXCR3+ effector CD8+ T cells were positively associated with the probability of TB-IRIS development.ConclusionOur data suggest that TB-IRIS individuals display a distinct profile of memory CD8+ T cell subsets reconstitution after ART initiation. Moreover, our data point to a differential association between the frequencies of CXCR3+ CD8+ T cells and the risk of TB-IRIS development. Collectively, our findings lend insights into the potential role of memory CD8+ T cells in TB-IRIS pathophysiology.
Collapse
Affiliation(s)
- Rafael Tibúrcio
- Laboratório de Inflamação e Biomarcadores, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, Brazil
| | - Gopalan Narendran
- Department of Clinical Research, National Institute for Research in Tuberculosis, Chennai, India
| | - Beatriz Barreto-Duarte
- Laboratório de Inflamação e Biomarcadores, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador, Brazil
- Curso de Medicina, Universidade Salvador (UNIFACS), Salvador, Brazil
- Programa de Pós-Graduação em Clínica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Artur T. L. Queiroz
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador, Brazil
- Center of Data and Knowledge Integration for Health (CIDACS), Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
| | - Mariana Araújo-Pereira
- Laboratório de Inflamação e Biomarcadores, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, Brazil
| | - Selvaraj Anbalagan
- Department of Clinical Research, National Institute for Research in Tuberculosis, Chennai, India
| | - Kaustuv Nayak
- Department of Clinical Research, National Institute for Research in Tuberculosis, Chennai, India
- ICGEB-Emory Vaccine Centre, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | | | - Rajasekaran Subramani
- Department of Clinical Research, National Institute for Research in Tuberculosis, Chennai, India
| | - Lis R. V. Antonelli
- Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | | | | | - Brian O. Porter
- HIV Pathogenesis Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Soumya Swaminathan
- Department of Clinical Research, National Institute for Research in Tuberculosis, Chennai, India
| | - Irini Sereti
- HIV Pathogenesis Section, Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Bruno B. Andrade
- Laboratório de Inflamação e Biomarcadores, Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, Brazil
- Curso de Medicina, Universidade Salvador (UNIFACS), Salvador, Brazil
- Programa de Pós-Graduação em Clínica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Wellcome Trust Centre for Infectious Disease Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
- Curso de Medicina, Escola Bahiana de Medicina e Saúde Pública (EBMSP), Salvador, Brazil
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, United States
- *Correspondence: Bruno B. Andrade,
| |
Collapse
|
18
|
Li Q, Sun J, Cao Y, Liu B, Zhao Z, Hu L, Zhang H, Kong Q, Wu J, Dong J. Icaritin inhibited cigarette smoke extract-induced CD8 + T cell chemotaxis enhancement by targeting the CXCL10/CXCR3 axis and TGF-β/Smad2 signaling. Phytomedicine 2022; 96:153907. [PMID: 35026517 DOI: 10.1016/j.phymed.2021.153907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 12/05/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a disabling/fatal disease characterized by progressive pulmonary function decline, and there are currently few drugs that can effectively reverse the decline in lung function; therefore, it is necessary to find novel drug targets. CD8+ T cells might be a new therapeutic target for alleviating lung tissue destruction and improving pulmonary function in COPD. The CXCL10/CXCR3 axis is a pivotal chemotactic axis involved in the abnormal infiltration of CD8+ T cells into the lung tissue of COPD; thus, inhibition of this axis might be a potential method to suppress CD8+ T cell-mediated lung tissue destruction in COPD. However, few drugs have been reported to target CD8+ T cells and the CXCL10/CXCR3 axis. Icaritin (ICT), one of the major components of Epimedii Folium, has been reported to have antioxidative effects in a COPD model in vitro. Whether ICT also has effects on CD8+ T cells and the CXCL10/CXCR3 axis in COPD has never been investigated. PURPOSE This study aimed to investigate the effects of ICT on CD8+ T cell chemotaxis and the CXCL10/CXCR3 axis in interferon (IFN)-γ + cigarette smoke extract (CSE)-stimulated THP-1-derived macrophages, which simulated the pulmonary microenvironment of COPD, and then to determine the mechanisms. METHODS The effects of ICT on the expression and secretion of CXCL9, CXCL10, and CXCL11 in THP-1-derived macrophages were measured by qRT-PCR and ELISA, and the effects of the supernatant of THP-1-derived macrophages treated with or without ICT on CD8+ T cell chemotaxis were also evaluated. Subsequently, the effects of ICT on the apoptosis and proliferation of CD8+ T cells were also assessed by EdU-488 assays and Annexin V/PI staining, respectively. Moreover, the mechanisms by which ICT inhibits the CXCL10/CXCR3 axis were investigated by RNA sequencing (RNA-seq) and KEGG pathway enrichment analysis. RESULTS The present study showed that ICT (5 μM) significantly suppressed the expression and secretion of CXCL9, CXCL10, and CXCL11 in THP-1-derived macrophages after stimulation with IFN-γ + CSE and indirectly inhibited CD8+ T cell chemotaxis by reducing the secretion of the above chemokines. In addition, this study found that ICT had no significant effect on the proliferation of CD8+ T cells, and neither led to apoptosis. The results of the RNA-seq analysis illustrated that the transforming growth factor (TGF)-β signaling pathway was significantly downregulated after ICT intervention, and subsequent qRT-PCR and western blotting showed that ICT could significantly downregulate the TGF-β-Smad2 signaling pathway. CONCLUSIONS ICT reduced CD8+ T cell chemotaxis by inhibiting the CXCL10/CXCR3 axis, and these effects might be achieved by suppressing the TGF-β-Smad2 signaling pathway.
Collapse
Affiliation(s)
- Qiuping Li
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Guangdong Provincial Geriatrics Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Jing Sun
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200040, China
| | - Yuxue Cao
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Baojun Liu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Zhengxiao Zhao
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Lingli Hu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Hu Zhang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Qing Kong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jinfeng Wu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, China.
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200040, China.
| |
Collapse
|
19
|
Chung WY, Lee KS, Park JH, Jung YJ, Sheen SS, Park JE, Sun JS, Ko YH, Park KJ. TB Antigen-Stimulated CXCR3 Ligand Assay for Diagnosis of Tuberculous Lymphadenitis. Int J Environ Res Public Health 2021; 18:ijerph18158020. [PMID: 34360313 PMCID: PMC8345678 DOI: 10.3390/ijerph18158020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/23/2021] [Accepted: 07/25/2021] [Indexed: 12/21/2022]
Abstract
The diagnosis of tuberculous lymphadenitis (TB-LAP) is challenging. We evaluated the role of blood CXC chemokine receptor 3 (CXCR3) ligands in its diagnosis. A total of 65 lymphadenopathy patients were enrolled and lymph node sampling was performed. We also recruited 113 control subjects, consisting of 27 with positive results and 86 with negative results, in the interferon (IFN)-γ release assay (IGRA). In all study subjects, whole-blood samples were collected using the IGRA methodology. After incubation, plasma levels of IFN-γ and two CXCR3 ligands, IFN-inducible T-cell a chemoattractant (I-TAC) and monokine induced by IFN-γ (MIG), were measured using immunoassay. Fifty-three TB-LAP patients were enrolled. TB antigen-stimulated IFN-γ, I-TAC, and MIG levels were all significantly higher in the TB-LAP patients than in the controls and non-TB-LAP patients. The levels of I-TAC and MIG, but not IFN-γ, showed significant differences between the TB-LAP patients and IGRA-positive controls. Area under the receiver operating characteristic curves (AUROCs) of IFN-γ, I-TAC, and MIG were 0.955, 0.958, and 0.959, respectively, for differentiating TB-LAP from control group, and were 0.912, 0.956, and 0.936, respectively, for differentiating TB-LAP from non-TB-LAP. In conclusion, the TB antigen-stimulated MIG and I-TAC could be useful biomarkers in the diagnosis of TB-LAP.
Collapse
Affiliation(s)
- Wou-Young Chung
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Keu-Sung Lee
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Joo-Hun Park
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Yun-Jung Jung
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Seung-Soo Sheen
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Ji-Eun Park
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
| | - Joo-Sung Sun
- Department of Radiology, Ajou University Hospital, Suwon 16499, Korea;
| | - Young-Hwa Ko
- Department of Pathology, Ajou University Hospital, Suwon 16499, Korea;
| | - Kwang-Joo Park
- Department of Pulmonology and Critical Care Medicine, Ajou University Hospital, Suwon 16499, Korea; (W.-Y.C.); (K.-S.L.); (J.-H.P.); (Y.-J.J.); (S.-S.S.); (J.-E.P.)
- Correspondence: ; Tel.: +82-31-219-5120
| |
Collapse
|
20
|
Abstract
Chemokines play important roles in homeostasis and inflammatory processes. While their roles in leukocyte recruitment are well-appreciated, chemokines play additional roles in the body, including mediating or regulating angiogenesis, tumor metastasis and wound healing. In this opinion article, we focus on the role of CXCR3 and its ligands in fibrotic processes. We emphasize differences of the effects of each ligand, CXCL9, CXCL10 and CXCL11, on fibroblasts in different tissues of the body. We include discussions of differences in signaling pathways that may account for protective or pro-fibrotic effects of each ligand in different experimental models and ex vivo analysis of human tissues. Our goal is to highlight potential reasons why there are disparate findings in different models, and to suggest ways in which this chemokine axis could be manipulated for the treatment of fibrosis.
Collapse
Affiliation(s)
- Morgan K. Groover
- Department of Dermatology, University of Massachussetts Medical School, Worcester, MA, 01605, USA
| | - Jillian M. Richmond
- Department of Dermatology, University of Massachussetts Medical School, Worcester, MA, 01605, USA
| |
Collapse
|
21
|
Abstract
A method for the routine, rapid and simultaneous cloning of drug targets from multiple mammalian species is described. This expedites the generation of recombinant proteins and cell lines that can provide alternatives to animal experiments. This was achieved by the collection of RNA from a comprehensive range of tissues from a variety of species, and the optimisation of cDNA synthesis. This "zooplate" has been successfully used for the simultaneous amplification and cloning of drug targets from multiple species. These products have subsequently been used to develop in vitro assays that support efficacy and safety studies in new drug discovery programmes. Within the framework of the Three Rs, these reagents can reduce the number of animals required to provide material for ex vivo assays and can refine the in vivo studies that are still necessary.
Collapse
Affiliation(s)
- Rachael Jupp
- Department of Molecular Biology, AstraZeneca R & D Charnwood, Loughborough, Leicestershire LE11 5RH, UK
| | | | | | | | | | | |
Collapse
|
22
|
Chen XM, Li J, Zhang XY, Jin YB, Yu D, Sun XL, Wu LJ, He J, Li ZG. [Significance of different T follicular helper subsets in rheumatoid arthritis]. Beijing Da Xue Xue Bao Yi Xue Ban 2016; 48:958-963. [PMID: 27987497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To detect the expressions of T follicular helper (Tfh) subsets and T follicular helper effect memory (Tfhem) cells in circulation of patients with rheumatoid arthritis (RA), as well as to examine their roles in providing biomarkers for active RA. METHODS This study enrolled 41 patients with RA, who were navely-treated or had no application of hormone and disease-modifying anti-rheumatic drugs in recent 3 months, as well as 32 healthy controls. The percentages of Tfhem (CD4+CXCR5+CCR7lowPD1high) cells, Tfh (CD3+CD4+CXCR5+CD45RA-) subsets, Tfh1 (CXCR3+CCR6-Tfh),Tfh2 (CXCR3-CCR6-Tfh),and Tfh17 (CXCR3-CCR6+Tfh), were determined by flow cytometry of peripheral blood from the patients with RA and health controls. Serum levels of cytokines were detected by enzyme-linked immunosorbent (ELISA). The correlations of Tfhem/Tfh subsets with clinical indicators were analyzed. RESULTS The mean age of the patients was (56.1±14.0) years (range: 20-82 years), the mean disease duration was (8.2±8.1) years. There was no significant difference between the RA patients and the health controls with age and gender. As compared with the health control, the percentage of Tfhem was significantly increased in the peripheral blood of the RA patients (12.8%±5.7% vs. 8.7%±2.0%, P=0.001). Moreover, the increased Tfhem was correlated with the higher disease activity score in 28 joints (DAS28) and erythrocyte sedimentation rate (ESR), but not with other clinical indicators, such as C-reactive protein (CRP), anti-cyclic citrullinated peptide (CCP) antibodies, and rheumatoid factors (RF). In addition, the percentage of Tfh2 subset, but not Tfh1 or Tfh17, was significantly increased in the RA patients (3.002%±0.408% vs. 1.730%±0.160%, P=0.013). As compared with Tfh2-low group, serum levels of Ig (immunoglobulin) A [(3.045±0.261) g/L vs.(3.963±0.815) g/L, P=0.172], IgG [(13.800±0.862) g/L vs.(16.980±0.224) g/L, P=0.161], IgM [(1.135±0.083) g/L vs.(1.731±0.380) g/L, P=0.140], IL (interleukin)-4 [(2.322±0.214) ng/L vs.(3.994±0.751) ng/L, P=0.056] and IL-10[(1.898±0.105) ng/L vs. (3.125±0.880) ng/L, P=0.140] in Tfh2-high group tended to increase with no significant statistical difference. CONCLUSION Our data suggest that Tfhem is associated with disease activity and is a valuable marker for active RA. It also presents a potential pathogenesis in the development of RA and the target for future therapies. Meanwhile, the increased Tfh2 and associated cytokines might be involved in the development of RA.
Collapse
Affiliation(s)
- X M Chen
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China; Department of Rheumatology and Immunology, The People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, China
| | - J Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - X Y Zhang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Y B Jin
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - D Yu
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - X L Sun
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - L J Wu
- Department of Rheumatology and Immunology, The People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, China
| | - J He
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Z G Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| |
Collapse
|
23
|
Fallahi P, Ragusa F. Mesothelioma and interferon-γ-dependent chemokine IP-10. Clin Ter 2016; 167:e192-e197. [PMID: 28051835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Recently it has been shown that interferon (IFN)-γ plays an important role in mesothelioma, mediated by the main IFN-γ dependent chemokines, chemokine (C-X-C motif) ligand (CXCL)10/IFN-γ- induced protein 10 (IP-10). IP-10 is up-regulated in malignant mesothelioma (MM), suggesting a relationship with development of these tumors. Nanoparticles containing nickel, that increase the risk for pleural diseases, induced increased levels of IP-10 in rat pleural mesothelial cells. Chemokine (C-X-C motif) receptor (CXCR)3 expression in CD4(+) T cells from pleural plaques and MMs was significantly decreased compared with that from healthy donors suggesting that CXCR3, IFN-γ, and IP-10 may be candidates to detect and monitor disease status. In a patient with asbestos-related malignant pleural mesothelioma the oncolytic adenovirus (ONCOS-102) induced prominent infiltration of CD8(+) lymphocytes to tumor, marked induction of systemic antitumor CD8(+) T-cells and expression of IP-10. Furthermore, increased IP- 10 concentrations were observed in the sera of the asbestos-exposed workers and were associated with the severity of asbestos-related diseases. These findings suggest that IP-10 chemokine may have a prognostic role in the progression of asbestos-related diseases and could be used for the health surveillance of either workers with an occupational history of asbestos exposure or patients affected by nonmalignant asbestos-related diseases.
Collapse
Affiliation(s)
- P Fallahi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - F Ragusa
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| |
Collapse
|
24
|
Li CX, Ling CC, Shao Y, Xu A, Li XC, Ng KTP, Liu XB, Ma YY, Qi X, Liu H, Liu J, Yeung OWH, Yang XX, Liu QS, Lam YF, Zhai Y, Lo CM, Man K. CXCL10/CXCR3 signaling mobilized-regulatory T cells promote liver tumor recurrence after transplantation. J Hepatol 2016; 65:944-952. [PMID: 27245433 DOI: 10.1016/j.jhep.2016.05.032] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 05/02/2016] [Accepted: 05/20/2016] [Indexed: 01/19/2023]
Abstract
BACKGROUND & AIMS Liver graft injury and tumor recurrence are the major challenges of liver transplantation for the patients with hepatocellular carcinoma (HCC). Here, we aimed to explore the role and mechanism of liver graft injury mobilizing regulatory T cells (Tregs), which lead to late phase tumor recurrence after liver transplantation. METHODS The correlation among tumor recurrence, liver graft injury and Tregs mobilization were studied in 257 liver transplant recipients with HCC and orthotopic rat liver transplantation models. The direct roles of CXCL10/CXCR3 signaling on Tregs mobilization and tumor recurrence were investigated in CXCL10-/- and CXCR3-/- mice models with hepatic IR injury. RESULTS Clinically, patients received the graft with graft weight ratio (GWR) <60% had higher HCC recurrence after liver transplantation than the recipients with GWR ⩾60% graft. More circulating Tregs and higher intragraft TLR4/CXCL10/CXCR3 levels were detected in recipients with GWR <60% graft. These results were further validated in rat transplantation model. Foxp3+ cells and expressions of TLR4, CXCL10, TGFβ, CTLA-4 and CD274 were increased in rat liver tumor tissues from small-for-size graft group. In mouse model, the mobilization and recruitment of Tregs were decreased in TLR4-/-, CXCL10-/- and CXCR3-/- mice compared to wild-type mice. Moreover, less CXCR3+ Tregs were recruited into liver in CXCL10-/- mice after hepatic IR injury. The knockout of CXCL10 and depletion of Tregs inhibited tumor recurrence after hepatic IR injury. CONCLUSION CXCL10/CXCR3 signaling upregulated at liver graft injury directly induced the mobilization and intragraft recruitment of Tregs, which further promoted HCC recurrence after transplantation. LAY SUMMARY There were positive correlation among tumor recurrence, circulating Tregs and liver graft injury after human transplantation for HCC patients. The knockout of CXCL10 decreased hepatic recruitment of CXCR3+ Tregs and late phase tumor recurrence after hepatic IR injury.
Collapse
Affiliation(s)
- Chang Xian Li
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Chang Chun Ling
- Department of Surgery, The University of Hong Kong, Hong Kong, China; Department of General Surgery, Affiliated Hospital of Nantong University, Nantong city, 226001, China
| | - Yan Shao
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Aimin Xu
- Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Xiang Cheng Li
- Liver Transplantation Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Kevin Tak-Pan Ng
- Department of Surgery, The University of Hong Kong, Hong Kong, China; Shenzhen Institute of Research and Innovation, The University of Hong Kong, China
| | - Xiao Bing Liu
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Yuen Yuen Ma
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Xiang Qi
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Hui Liu
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Jiang Liu
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | | | - Xin Xiang Yang
- Department of Surgery, The University of Hong Kong, Hong Kong, China; Liver Transplantation Center, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qing Sheng Liu
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Yin Fan Lam
- Department of Surgery, The University of Hong Kong, Hong Kong, China
| | - Yuan Zhai
- Department of Surgery, David Geffen School of Medicine, University of California at Los Angeles, USA
| | - Chung Mau Lo
- Department of Surgery, The University of Hong Kong, Hong Kong, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The University of Hong Kong, Hong Kong, China; Shenzhen Institute of Research and Innovation, The University of Hong Kong, China
| | - Kwan Man
- Department of Surgery, The University of Hong Kong, Hong Kong, China; Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The University of Hong Kong, Hong Kong, China; Shenzhen Institute of Research and Innovation, The University of Hong Kong, China.
| |
Collapse
|
25
|
Eriksson C, Eneslätt K, Ivanoff J, Rantapää-Dahlqvist S, Sundqvist KG. Abnormal expression of chemokine receptors on T-cells from patients with systemic lupus erythematosus. Lupus 2016; 12:766-74. [PMID: 14596426 DOI: 10.1191/0961203303lu467oa] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The expressionof chemokinereceptors on T-cells and chemokinelevels in the blood was studied in 23 patients with SLE (ACR criteria), seven patients with rheumatoid arthritis (RA) and in 15 healthy controls using flow cytometry, RT-PCR and ELISA. The cell surface expression of the chemokine receptors CXCR5 and CCR6 was decreased in SLE patients compared with controls (P 0.051 and P 0.002, respectively). The decrease of CXCR5 was confined to SLE patients with inactive disease (SLEDAI < 6) compared with active disease (SLEDAI ≥6) and controls. CXCR2 and CCR1 were increased in patients with active SLE compared with patients with inactive disease (P 0.001 and P 0.01, respectively) and with controls (P 0.02 and P 0.053, respectively). The levels of the chemokines MIP-1b MCP-1, SDF-1a, IP-10 and RANTES were significantly elevated in SLE patients compared with controls. Patients with renal involvement had increased surface expression of CXCR3 and CCR3 (P 0.04 in both) and a lower level of soluble IP-10 compared with patients without renal disease (P 0.025) and compared with controls (P 0.001). The ratio between CCR5 and CCR3 was significantly increased in RA patients compared with SLE patients and controls supporting a Th1 overweight in RA. In conclusion, patients with SLE showed abnormal T-cell expression of several chemokine receptors and levels of soluble chemokines in their plasma/serum.
Collapse
MESH Headings
- Adult
- Aged
- Cytokines/blood
- Cytokines/genetics
- Female
- Gene Expression/immunology
- Humans
- Ligands
- Lupus Erythematosus, Systemic/immunology
- Lupus Erythematosus, Systemic/metabolism
- Lupus Nephritis/immunology
- Lupus Nephritis/metabolism
- Male
- Middle Aged
- RNA, Messenger/analysis
- Receptors, CCR1
- Receptors, CCR6
- Receptors, CXCR3
- Receptors, CXCR4/metabolism
- Receptors, CXCR5
- Receptors, Chemokine/metabolism
- Receptors, Cytokine/metabolism
- Receptors, Interleukin-8B/metabolism
- T-Lymphocytes/metabolism
Collapse
Affiliation(s)
- C Eriksson
- Department of Clinical Immunology, University Hospital, Umeå, Sweden
| | | | | | | | | |
Collapse
|
26
|
López C, Comabella M, Tintoré M, Sastre-Garriga J, Montalban X. Variations in chemokine receptor and cytokine expression during pregnancy in multiple sclerosis patients. Mult Scler 2016; 12:421-7. [PMID: 16900755 DOI: 10.1191/1352458506ms1287oa] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Although several T cell-mediated autoimmune diseases have shown a reduction in their clinical disease activity during pregnancy, the underlying mechanisms by which pregnancy causes such a beneficial effect on the disease activity are not fully understood. We performed a longitudinal study of chemokine receptors (CCR3, CCR4, CCR5, CXCR3, CXCR4) by flow cytometry in different subsets of peripheral blood mononuclear cells (PBMC) during pregnancy in multiple sclerosis (MS) patients. The levels of cytokine mRNA expression (IL-10, IFN-g) were also investigated by real-time quantitative reverse transcription polymerase chain reaction. The expression of CXCR3 by CD4 and CD8 positive T cells was decreased to a statistically significant extent during the second trimester of pregnancy. CD4 and CD8 T cells showed a statistically significant increase in the expression of CXCR4 during the third trimester of pregnancy. At the mRNA expression level, an increase in the IL-10/IFN-g ratio was observed during pregnancy, especially during the third trimester. These findings indicate immunomodulatory effects of pregnancy on the expression of chemokine receptors and cytokines, which may be related to changes in the clinical disease activity of T cell-mediated autoimmune diseases, such as MS.
Collapse
MESH Headings
- Adult
- B-Lymphocytes/metabolism
- B-Lymphocytes/physiology
- CD4-Positive T-Lymphocytes/metabolism
- CD4-Positive T-Lymphocytes/physiology
- CD8-Positive T-Lymphocytes/metabolism
- CD8-Positive T-Lymphocytes/physiology
- Female
- Gene Expression/immunology
- Humans
- Interferon-gamma/genetics
- Interleukin-10/genetics
- Killer Cells, Natural/metabolism
- Killer Cells, Natural/physiology
- Monocytes/metabolism
- Monocytes/physiology
- Multiple Sclerosis/immunology
- Pregnancy
- Pregnancy Complications/immunology
- RNA, Messenger/metabolism
- Receptors, CCR3
- Receptors, CCR4
- Receptors, CCR5/genetics
- Receptors, CCR5/metabolism
- Receptors, CXCR3
- Receptors, CXCR4/genetics
- Receptors, CXCR4/metabolism
- Receptors, Chemokine/genetics
- Receptors, Chemokine/metabolism
Collapse
Affiliation(s)
- C López
- Unitat de Neuroimmunologia Clinica, Hospital Universitari Vall d'Hebron (HUVH), Barcelona, Spain
| | | | | | | | | |
Collapse
|
27
|
Zhang W, Feng L, Pelicano H, Huang P. [Resistance of chronic lymphocytic leukemia cells in apoptosis: key role of stromal cells in maintaining the redox potential of CLL cells]. Med Sci (Paris) 2013; 29:36-8. [PMID: 23351693 DOI: 10.1051/medsci/2013291012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
MESH Headings
- Animals
- Apoptosis
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Leukemia, Lymphocytic, Chronic, B-Cell/physiopathology
- Oxidation-Reduction
- Receptors, CXCR3
- Stromal Cells/physiology
Collapse
|
28
|
Izumimoto N, Kawakami A. [Inflammation in atherosclerosis]. Nihon Rinsho 2011; 69:2-5. [PMID: 21226251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
|
29
|
Danesh A, Seneviratne C, Cameron CM, Banner D, Devries ME, Kelvin AA, Xu L, Ran L, Bosinger SE, Rowe T, Czub M, Jonsson CB, Cameron MJ, Kelvin DJ. Cloning, expression and characterization of ferret CXCL10. Mol Immunol 2007; 45:1288-97. [PMID: 18006061 PMCID: PMC5653245 DOI: 10.1016/j.molimm.2007.09.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2007] [Revised: 09/12/2007] [Accepted: 09/13/2007] [Indexed: 11/19/2022]
Abstract
Chemokines and their receptors function in the recruitment and activation of cells of the immune system to sites of inflammation. As such, chemokines play an important role in mediating pathophysiological events during microbial infection. In particular, CXCL9, CXCL10 and CXCL11 and their cognate receptor CXCR3 have been associated with the clinical course of several infectious diseases, including severe acute respiratory syndrome (SARS) and influenza. While CXCL9, CXCL10 and CXCL11 share the same receptor and have overlapping functions, each can also have unique activity in host defense. The lack of a preferred characterized animal model for SARS has brought our attention to ferrets, which have been used for years in influenza studies. The lack of immunological reagents for ferrets prompted us to clone CXCL9, CXCL10, CXCL11 and CXCR3 and, in the case of CXCL10, to express the gene as a recombinant protein. In this study we demonstrate that endogenous ferret CXCL10 exhibits similar mRNA expression patterns in the lungs of deceased SARS patients and ferrets experimentally infected with SARS coronavirus. This study therefore represents an important step towards development of the ferret as a model for the role of CXCL9, CXCL10 and CXCL11:CXCR3 axis in severe viral infections.
Collapse
Affiliation(s)
- Ali Danesh
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Charit Seneviratne
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Cheryl M. Cameron
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - David Banner
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Mark E. Devries
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Alyson A. Kelvin
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Luoling Xu
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Longsi Ran
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Steven E. Bosinger
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - Thomas Rowe
- Department of Biochemistry and Molecular Biology, Southern Research Institute, Birmingham, AL 35205, USA
| | - Marcus Czub
- National Microbiology Laboratory, Canadian Science Center for Human and Animal Health, 1015 Arlington Street, Winnipeg, Manitoba, Canada R3E 3R2
| | - Colleen B. Jonsson
- Department of Biochemistry and Molecular Biology, Southern Research Institute, Birmingham, AL 35205, USA
| | - Mark J. Cameron
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
| | - David J. Kelvin
- Division of Experimental Therapeutics, Toronto General Research Institute, University Health Network, 101 College Street, Toronto, Ontario, Canada M5G 1L7
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
- Department of Biochemistry and Molecular Biology, Southern Research Institute, Birmingham, AL 35205, USA
- Corresponding author at: Toronto General Research Institute, Division of Experimental Therapeutics, Toronto General Hospital, TMDT, 101 College Street, 3rd Floor, Room 913, Toronto, Ontario, Canada M5G 1L7. Tel.: +1 416 581 7608; fax: +1 416 581 7606.
| |
Collapse
|
30
|
Datta D, Flaxenburg JA, Laxmanan S, Geehan C, Grimm M, Waaga-Gasser AM, Briscoe DM, Pal S. Ras-induced modulation of CXCL10 and its receptor splice variant CXCR3-B in MDA-MB-435 and MCF-7 cells: relevance for the development of human breast cancer. Cancer Res 2007; 66:9509-18. [PMID: 17018607 DOI: 10.1158/0008-5472.can-05-4345] [Citation(s) in RCA: 127] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Interactions between chemokines and chemokine receptors have been proposed recently to be of importance in the development and progression of cancer. Human breast cancer cells express the chemokine CXCL10 (IP-10) and also its receptor CXCR3. In this study, we have investigated the role of Ras activation in the regulation of CXCL10 and its receptor splice variant CXCR3-B in two human breast cancer cell lines MDA-MB-435 and MCF-7. In cotransfection assays, using a full-length CXCL10 promoter-luciferase construct, we found that the activated form of Ras, Ha-Ras(12V), promoted CXCL10 transcriptional activation. Ras significantly increased CXCL10 mRNA and protein expression as observed by real-time PCR, fluorescence-activated cell sorting analysis, and ELISA. Selective inhibition of Ha-Ras by small interfering RNA (siRNA) decreased CXCL10 mRNA expression in a dose-dependent manner. Further, using effector domain mutants of Ras, we found that Ras-induced overexpression of CXCL10 is mediated primarily through the Raf and phosphatidylinositol 3-kinase signaling pathways. We also observed that the expression of the splice variant CXCR3-B, known to inhibit cell proliferation, was significantly down-regulated by Ras. Selective inhibition of CXCR3-B using siRNA resulted in an increase in CXCL10-mediated breast cancer cell proliferation through G(i) proteins and likely involving CXCR3-A. Finally, we observed intense expression of CXCL10 and CXCR3 in association with human breast cancer in situ, indicating that these observations may be of pathophysiologic significance. Together, these results suggest that activation of Ras plays a critical role in modulating the expression of both CXCL10 and CXCR3-B, which may have important consequences in the development of breast tumors through cancer cell proliferation.
Collapse
MESH Headings
- Adenocarcinoma/genetics
- Adenocarcinoma/pathology
- Alternative Splicing
- Breast Neoplasms/etiology
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Carcinoma, Ductal, Breast/etiology
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Ductal, Breast/pathology
- Carcinoma, Intraductal, Noninfiltrating/genetics
- Carcinoma, Intraductal, Noninfiltrating/pathology
- Cell Division
- Cell Line, Tumor/metabolism
- Chemokine CXCL10
- Chemokines, CXC/physiology
- Female
- Gene Expression Regulation, Neoplastic
- Genes, ras
- Humans
- Neoplasm Proteins/genetics
- Neoplasm Proteins/physiology
- Phosphatidylinositol 3-Kinases/physiology
- Phosphoinositide-3 Kinase Inhibitors
- Protein Isoforms/genetics
- Protein Isoforms/physiology
- Proto-Oncogene Proteins c-raf/antagonists & inhibitors
- Proto-Oncogene Proteins c-raf/physiology
- Proto-Oncogene Proteins p21(ras)/antagonists & inhibitors
- Proto-Oncogene Proteins p21(ras)/physiology
- RNA, Small Interfering/pharmacology
- Receptors, CXCR3
- Receptors, Chemokine/genetics
- Receptors, Chemokine/physiology
- Recombinant Fusion Proteins/physiology
- Signal Transduction
- Sirolimus/pharmacology
- Transfection
Collapse
Affiliation(s)
- Dipak Datta
- Division of Nephrology, Children's Hospital Boston, Boston, MA 02115, USA
| | | | | | | | | | | | | | | |
Collapse
|
31
|
Winter D, Moser J, Kriehuber E, Wiesner C, Knobler R, Trautinger F, Bombosi P, Stingl G, Petzelbauer P, Rot A, Maurer D. Down-modulation of CXCR3 surface expression and function in CD8+ T cells from cutaneous T cell lymphoma patients. J Immunol 2007; 179:4272-82. [PMID: 17785868 DOI: 10.4049/jimmunol.179.6.4272] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Viruses can escape destruction by the immune system by exploitation of the chemokine-chemokine receptor system. It is less established whether human cancers can adopt similar strategies to evade immunologic control. In this study, we show that advanced cutaneous T cell lymphoma (CTCL) is associated with selective and efficient inactivation of CXCR3-dependent T cell migration. Our studies demonstrate that this alteration is at least in part due to CXCR3 down-regulation in vivo by elevated serum levels of CXCR3 ligands. The T cell population most affected by this down-regulatory mechanism are CD8+ cytotoxic effector T cells. In CTCL patients, cytotoxic effector T cells have strongly reduced surface CXCR3 expression, accumulate in peripheral blood, but are virtually absent from CTCL tumor lesions, indicating an inability to extravasate into lymphoma tissue. CTCL-associated inactivation of effector cell recruitment may be a paradigmatic example of a new type of immune escape mechanisms shielding the neoplasm from a tumoricidal attack.
Collapse
MESH Headings
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- CD8-Positive T-Lymphocytes/pathology
- Cell Membrane
- Cell Movement/immunology
- Cells, Cultured
- Down-Regulation/immunology
- E-Selectin/biosynthesis
- E-Selectin/metabolism
- Endosomes/metabolism
- Endothelial Cells/metabolism
- Humans
- Immunologic Memory
- K562 Cells
- L-Selectin/biosynthesis
- Ligands
- Lymphoma, T-Cell, Cutaneous/immunology
- Lymphoma, T-Cell, Cutaneous/metabolism
- Lymphoma, T-Cell, Cutaneous/pathology
- Lymphoma, T-Cell, Cutaneous/therapy
- Lysosomes/metabolism
- Receptors, CXCR3
- Receptors, Chemokine/antagonists & inhibitors
- Receptors, Chemokine/biosynthesis
- Receptors, Chemokine/physiology
- Resting Phase, Cell Cycle/immunology
- Skin Neoplasms/immunology
- Skin Neoplasms/metabolism
- Skin Neoplasms/pathology
- Skin Neoplasms/therapy
- Tumor Cells, Cultured
- Vascular Cell Adhesion Molecule-1/biosynthesis
- Vascular Cell Adhesion Molecule-1/metabolism
Collapse
Affiliation(s)
- Dorian Winter
- Research Center for Molecular Medicine (CeMM) of the Austrian Academy of Sciences, Vienna, Austria
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
32
|
Barbi J, Oghumu S, Lezama-Davila CM, Satoskar AR. IFN-gamma and STAT1 are required for efficient induction of CXC chemokine receptor 3 (CXCR3) on CD4+ but not CD8+ T cells. Blood 2007; 110:2215-6. [PMID: 17785588 PMCID: PMC1976351 DOI: 10.1182/blood-2007-03-081307] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
|
33
|
Chu Y, Yang X, Xu W, Wang Y, Guo Q, Xiong S. In situ expression of IFN-gamma-inducible T cell alpha chemoattractant in breast cancer mounts an enhanced specific anti-tumor immunity which leads to tumor regression. Cancer Immunol Immunother 2007; 56:1539-49. [PMID: 17659370 PMCID: PMC11030116 DOI: 10.1007/s00262-007-0296-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2006] [Accepted: 01/23/2007] [Indexed: 10/23/2022]
Abstract
Increased evidence indicates that chemokines are involved in tumor growth. ITAC, a key member of chemokines, possesses the ability to recruit T cells and enhance immune responses. Therefore, ITAC might contribute to antitumor immunity. In this study, we evaluated the relationship between the expression of ITAC and human breast cancer advancement. We further investigated whether forced expression of ITAC in tumor sites could mediate enhanced antitumor immunity in a murine breast cancer model. Results showed that ITAC expression level was down-regulated in 31 breast cancer specimens compared to normal mammary tissues, and associated negatively with the stages of breast cancer. Contrarily, forced expression of ITAC in murine 4T1 tumor cells resulted in tumor regression after initial growth upon injection into naïve Balb/c mice. More lymphocytes were recruited to the site of tumor inoculated by 4T1-ITAC and more than 80% of these T cells expressed the ITAC receptor, CXCR3. ITAC-recruited TILs exhibited 4T1-specific proliferation and cytotoxicity, and an increased IFN-gamma but decreased IL-4 production. Importantly, forced expression of ITAC in 4T1 tumor nodules inhibited tumor growth. These findings demonstrated that the decreased expression of ITAC is associated with the advancement of breast cancer in patients. Forced expression of ITAC in tumor site not only induces increased T cell-recruitment and elicits a specific antitumor immunity, but also mediates regression of established 4T1 tumors, indicating the potential application of ITAC-expressing tumor cells in cancer immunotherapy and vaccine designing.
Collapse
Affiliation(s)
- Yiwei Chu
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
| | - Xiuli Yang
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
| | - Wei Xu
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
| | - Ying Wang
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
| | - Qiang Guo
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
| | - Sidong Xiong
- Department of Immunology of Shanghai Medical College and Institute for Immunobiology, Fudan University, 138 Yixueyuan Road, Shanghai, 200032 Peoples Republic of China
- Key Laboratory of Molecular Medicine of Ministry of Education, Fudan University, Shanghai, 200032 Peoples Republic of China
- Immunology Division, E-Institutes of Shanghai Universities, Shanghai, 200025 Peoples Republic of China
| |
Collapse
|
34
|
Thomas SY, Banerji A, Medoff BD, Lilly CM, Luster AD. Multiple chemokine receptors, including CCR6 and CXCR3, regulate antigen-induced T cell homing to the human asthmatic airway. J Immunol 2007; 179:1901-12. [PMID: 17641057 DOI: 10.4049/jimmunol.179.3.1901] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Human allergic asthma is a chronic inflammatory disease of the airways thought to be driven by allergen-specific Th2 cells, which are recruited into the lung in response to inhaled allergen. To identify chemoattractant receptors that control this homing pattern, we used endobronchial segmental allergen challenge in human atopic asthmatics to define the pattern of chemoattractant receptor expression on recruited T cells as well as the numbers of recruited CD1d-restricted NKT cells and levels of chemokines in the bronchoalveolar (BAL) fluid. CD1d-restricted NKT cells comprised only a small minority of BAL T cells before or after Ag challenge. BAL T cells were enriched in their expression of specific chemoattractant receptors compared with peripheral blood T cells prechallenge, including CCR5, CCR6, CXCR3, CXCR4, and BLT1. Surprisingly, following segmental allergen challenge, no chemoattractant receptor was specifically increased. However, CCR6 and CXCR3, which were expressed on virtually all CD4(+) BAL T cells prechallenge, were markedly decreased on all recruited BAL T cells following Ag challenge, suggesting that these receptors were internalized following encounter with ligand in the airway. Our data therefore suggests a role for CCR6 and CXCR3, in conjunction with other chemoattractant receptors, in the recruitment of inflammatory T cells into the BAL during the allergic asthmatic response.
Collapse
Affiliation(s)
- Seddon Y Thomas
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA
| | | | | | | | | |
Collapse
|
35
|
Yoshimura T, Takahashi M. IFN-gamma-mediated survival enables human neutrophils to produce MCP-1/CCL2 in response to activation by TLR ligands. J Immunol 2007; 179:1942-9. [PMID: 17641061 DOI: 10.4049/jimmunol.179.3.1942] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
TLRs are key elements of the pathogen recognition mechanism used by the host immune system. Neutrophils express almost all TLRs, and activation of TLRs, such as TLR2 and TLR4, has been shown to induce the production of proinflammatory cytokines and chemokines, potentially linking innate and adaptive immunity. In the present study, we investigated whether activation of TLRs induces neutrophil production of MCP-1/CCL2, a key mediator involved in the development of adaptive immunity. Activation of neutrophils with LPS, lipoteichoic acid, or N-palmitoyl-S-[2,3-bis(palmitoyloxy)-(2RS)-propyl]-[R]-Cys-[S]-Ser-[S]-Lys did not induce significant MCP-1 production and release; however, the Th1 cytokine IFN-gamma dramatically up-regulated MCP-1 production in cells activated with each TLR ligand. The majority of MCP-1 was released between 24 and 48 h of culture, indicating that this is a late event. The effect of IFN-gamma appeared to be due to its antiapoptotic effect, but not priming effect, revealing a biological consequence of IFN-gamma-induced neutrophil survival. Although IFN-gamma failed to protect neutrophils from cell death at a higher dose of LPS, the p38 MAPK inhibitor SB203580 dramatically increased MCP-1 release and neutrophil survival at this LPS concentration. Thus, p38 MAPK plays a previously uncharacterized role in neutrophil function. Taken together, our results indicate that human neutrophils produce MCP-1 in a Th1 microenvironment and this neutrophil-derived MCP-1 potentially amplifies the development of Th1 adaptive responses.
Collapse
Affiliation(s)
- Teizo Yoshimura
- Laboratory of Molecular Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute-Frederick, Frederick, MD 21702, USA.
| | | |
Collapse
|
36
|
MacTaggart JN, Xiong W, Knispel R, Baxter BT. Deletion of CCR2 but not CCR5 or CXCR3 inhibits aortic aneurysm formation. Surgery 2007; 142:284-8. [PMID: 17689697 DOI: 10.1016/j.surg.2007.04.017] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2007] [Revised: 04/19/2007] [Accepted: 04/27/2007] [Indexed: 10/23/2022]
Abstract
BACKGROUND Microscopic analysis of abdominal aortic aneurysms (AAAs) demonstrates an abundance of infiltrating leukocytes. The chemokine receptors CCR2, CCR5, and CXCR3 are associated with pathways implicated previously in aneurysm pathogenesis. We hypothesized that genetic deletions of CCR2, CCR5, and CXCR3 would limit leukocyte infiltration and aneurysm formation in a mouse model of AAA. METHODS CCR2(-/-), CCR5(-/-), CXCR3(-/-), and control mice of the same genetic background were subject to periaortic application of calcium chloride. Aortic diameters were measured before aneurysm induction and at harvest 6 weeks later. Diameters were compared using the Mann-Whitney test. Aortas were stained with H&E and trichrome for histologic analysis. Aortic MMP-2 and MMP-9 activities were measured using zymography. RESULTS Aneurysm formation was attenuated in CCR2(-/-) mice with the final mean aortic diameter less than that of the control mice (P < .01). Histology revealed preservation of the lamellar architecture and decreased inflammatory cells. Aortic MMP-2 and MMP-9 levels were decreased in CCR2(-/-) mice. CCR5(-/-) and CXCR3(-/-) mice demonstrated no protection from aneurysm formation, which was corroborated by the tissue histology showing similar inflammatory cell infiltration and elastin degradation. CONCLUSIONS The CCR2 receptor is involved directly in AAA formation, whereas the CCR5 and CXCR3 receptors are not.
Collapse
MESH Headings
- Animals
- Aortic Aneurysm, Abdominal/immunology
- Aortic Aneurysm, Abdominal/pathology
- Female
- Gene Deletion
- Leukocytes/immunology
- Leukocytes/pathology
- Male
- Mice
- Mice, Inbred Strains
- Mice, Mutant Strains
- Receptors, CCR2
- Receptors, CCR5/genetics
- Receptors, CCR5/immunology
- Receptors, CXCR3
- Receptors, Chemokine/genetics
- Receptors, Chemokine/immunology
Collapse
|
37
|
Storelli S, Verzijl D, Al-Badie J, Elders N, Bosch L, Timmerman H, Smit MJ, De Esch IJP, Leurs R. Synthesis and structure-activity relationships of 3H-quinazolin-4-ones and 3H-pyrido[2,3-d]pyrimidin-4-ones as CXCR3 receptor antagonists. Arch Pharm (Weinheim) 2007; 340:281-91. [PMID: 17562560 DOI: 10.1002/ardp.200700037] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
CXC chemokine receptor-3 (CXCR3) is a G-protein coupled receptor (GPCR) predominantly expressed on activated T lymphocytes that promote Th1 responses. Previously, we described the 3H-quinazolin-4-one containing VUF 5834 (decanoic acid {1-[3-(4-cyano-phenyl)-4-oxo-3,4-dihydro-quinazolin-2-yl]-ethyl}-(2-dimethylamino-ethyl)-amide) as a small-molecule CXCR3 antagonist with submicromolar affinity and as a lead structure for the development of CXCR3 antagonists. More recently, the related 3H-pyrido[2,3-d]pyrimidin-4-one compounds AMG 487 and NBI-74330 have been reported as nanomolar CXCR3 antagonists and these ligands are currently under clinical investigation. The aim of this study is to link the structure-activity relationship (SAR) of the previously published class of 3H-quinazolin-4-one containing CXCR3 ligands with these novel clinical candidates. From the modification of the lead structure VUF 5834 emerged the importance of the (4-fluoro-3-(trifluoromethyl)phenyl)acetyl and the 3-methylen-pyridine as substituents to improve the affinity at the human CXCR3 receptor, whereas other features are less important. The described molecules serve as tool to investigate the role of the CXCR3 receptor in various inflammatory conditions.
Collapse
Affiliation(s)
- Stefania Storelli
- Leiden/Amsterdam Center for Drug Research (LACDR), Division of Medicinal Chemistry, Faculty of Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | | | | | | | | | | | | | | | | |
Collapse
|
38
|
Lundberg P, Openshaw H, Wang M, Yang HJ, Cantin E. Effects of CXCR3 Signaling on Development of Fatal Encephalitis and Corneal and Periocular Skin Disease in HSV-Infected Mice Are Mouse-Strain Dependent. ACTA ACUST UNITED AC 2007; 48:4162-70. [PMID: 17724202 DOI: 10.1167/iovs.07-0261] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
PURPOSE The host inflammatory response to ocular infection with herpes simplex virus (HSV) can be either protective, with disease-free survival, or it can promote diseases such as HSV corneal disease (or herpes stromal keratitis [HSK] in humans) and encephalitis (HSE), depending on mouse strain. The role of CXCR3 chemokine signaling in HSV-induced central nervous system (CNS) inflammation and corneal disease was evaluated, and responses in genetically susceptible and resistant strains of mice were contrasted. METHODS Resistant C57BL/6J (B6) and susceptible 129S6 (129) mice were given monoclonal antibodies (mAbs) to neutralize the CXCR3 ligands monokine induced by interferon-gamma (MIG, CXCL9) and interferon inducible protein-10 (IP-10, CXCL10) during HSV infection. In addition, the development of HSV disease was monitored in CXCR3-null mutant mice derived from resistant (B6) and susceptible (BALB/c) strains. Inflammatory cells infiltrating the cornea and brain stem were isolated and stained for flow cytometric analysis. RESULTS MIG and IP-10 were induced in nervous system tissue after HSV inoculation by the corneal route. HSV-infected 129 mice treated with MIG- or IP-10-neutralizing mAbs showed significantly enhanced survival compared with mice treated with control isotype antibody, whereas survival of the B6 mice was unaltered. Similarly, greater survival was observed for BALB.CXCR3(-/-) mice compared with control BALB/c mice. Reduced CNS inflammation was documented that extended to the cornea, such that HSV corneal disease severity was reduced in susceptible BALB.CXCR3(-/-). In contrast, although survival of B6 and B6.CXCR3(-/-) mice was indistinguishable, B6.CXCR3(-/-) mice developed more severe corneal and periocular skin disease. CONCLUSIONS The effects of CXCR3 signaling in HSV infection are strongly dependent on mouse strain.
Collapse
MESH Headings
- Animals
- Brain Stem/metabolism
- Chemokine CXCL10
- Chemokine CXCL9
- Chemokines, CXC/physiology
- Cornea/virology
- Disease Susceptibility
- Encephalitis, Herpes Simplex/genetics
- Encephalitis, Herpes Simplex/mortality
- Encephalitis, Herpes Simplex/physiopathology
- Flow Cytometry
- Herpesvirus 1, Human/physiology
- Immunity, Innate
- Keratitis, Herpetic/genetics
- Keratitis, Herpetic/mortality
- Keratitis, Herpetic/physiopathology
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Receptors, CXCR3
- Receptors, Chemokine/physiology
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction/physiology
- Skin Diseases, Viral/genetics
- Skin Diseases, Viral/mortality
- Skin Diseases, Viral/physiopathology
- Trigeminal Ganglion/metabolism
- Up-Regulation
Collapse
Affiliation(s)
- Patric Lundberg
- Division of Virology, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | | | | | | | | |
Collapse
|
39
|
|
40
|
Wenzel J, Wiechert A, Merkel C, Bieber T, Tüting T. IP10/CXCL10 - CXCR3 interaction: a potential self-recruiting mechanism for cytotoxic lymphocytes in lichen sclerosus et atrophicus. Acta Derm Venereol 2007; 87:112-7. [PMID: 17340016 DOI: 10.2340/00015555-0194] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lichen sclerosus et atrophicus is a chronic inflammatory skin disease of unknown aetiology. Recent studies have indicated that autoimmune mechanisms might be involved in its pathogenesis and have suggested a role for autoreactive cytotoxic T-lymphocytes. Based on recent observations we now hypothesize that a type I interferon-driven inflammation might be involved in the pathogenesis of this disease. Lesional skin biopsies were analysed by immunohistochemistry (CD3, CD4, CD8, CD68, CD123, Tia1, Granzyme B, Myxovirus resistance A, IP10/CXCL10 and CXCR3). Sequential double staining was performed to analyse co-expression of Tia1 and CXCR3. Significant expression of Myxovirus resistance A was found, indicating type I interferon production. This expression was closely associated with the expression of the interferon-inducible protein IP10 and the recruitment of CXCR3+ cytotoxic T-lymphocytes. Plasmacytoid dendritic cells appeared to be a major source of type I interferon in lichen sclerosus et atrophicus. Interestingly, several infiltrating lymphocytes contained IP10 in their granules. This is the first study providing evidence that a type I interferon-associated recruitment of CXCR3+ cytotoxic T-lymphocytes is involved in the pathogenesis of lichen sclerosus et atrophicus. Infiltrating lymphocytes, containing IP10 in their granules, could provide an important self-perpetuating mechanism.
Collapse
Affiliation(s)
- Joerg Wenzel
- Department of Dermatology, University of Bonn, Germany.
| | | | | | | | | |
Collapse
|
41
|
Abstract
Chemokines are a group of peptides of low molecular weight that induce the chemotaxis of different leukocyte subtypes. The major function of chemokines is the recruitment of leukocytes to inflammation sites, but they also play a role in tumoral growth, angiogenesis, and organ sclerosis. In the last few years, experimental evidence accumulated supporting the concept that interferon-gamma (IFN-gamma) inducible chemokines (CXCL9, CXCL10, and CXCL11) and their receptor, CXCR3, play an important role in the initial stage of autoimmune disorders involving endocrine glands. The fact that, after IFN-gamma stimulation, endocrine epithelial cells secrete CXCL10, which in turn recruits type 1 T helper lymphocytes expressing CXCR3 and secreting IFN-gamma, thus perpetuating autoimmune inflammation, strongly supports the concept that chemokines play an important role in endocrine autoimmunity. This article reviews the recent literature including basic science, animal models, and clinical studies, regarding the role of these chemokines in autoimmune endocrine diseases. The potential clinical applications of assaying the serum levels of CXCL10 and the value of such measurements are reviewed. Clinical studies addressing the issue of a role for serum CXCL10 measurement in Graves' disease, Graves' ophthalmopathy, chronic autoimmune thyroiditis, type 1 diabetes mellitus, and Addison's disease have been considered. The principal aim was to propose that chemokines, and in particular CXCL10, should no longer be considered as belonging exclusively to basic science, but rather should be used for providing new insights in the clinical management of patients with endocrine autoimmune diseases.
Collapse
Affiliation(s)
- Mario Rotondi
- Excellence Center for Research, Transfer and High Education De Novo Therapies, University of Florence, 50121 Florence, Italy.
| | | | | | | | | |
Collapse
|
42
|
Nakaya I, Wada T, Furuichi K, Sakai N, Kitagawa K, Yokoyama H, Ishida Y, Kondo T, Sugaya T, Kawachi H, Shimizu F, Narumi S, Haino M, Gerard C, Matsushima K, Kaneko S. Blockade of IP-10/CXCR3 Promotes Progressive Renal Fibrosis. ACTA ACUST UNITED AC 2007; 107:e12-21. [PMID: 17671396 DOI: 10.1159/000106505] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2006] [Accepted: 04/18/2007] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIM Fibrosis is a hallmark of progressive organ disease. The 10-kDa interferon-inducible protein IP-10/CXCL10 is a potent chemoattractant for activated T lymphocytes, natural killer cells, and monocytes. However, the involvement of IP-10 in the pathogenesis of renal diseases via its receptor, CXCR3, remains unclear. To contribute to the clarification of this issue was the aim of this study. METHODS The impacts of IP-10 on renal fibrosis were investigated in a unilateral ureteral obstruction model in CXCR3-deficient mice and mice treated with anti-IP-10-neutralizing monoclonal antibody. Anti-IP-10 monoclonal antibody (5 mg/kg/day) was injected intravenously once a day until sacrifice on days 1, 4, or 7 after treatment. The effects of IP-10 were confirmed in cultured tubular epithelial cells. RESULTS IP-10 and CXCR3 were upregulated in progressive renal fibrosis. Blockade of IP-10/CXCR3 promotes renal fibrosis, as evidenced by increases in interstitial fibrosis and hydroxyproline contents, concomitant decrease in hepatocyte growth factor expression, and converse increase in transforming growth factor-beta1 in diseased kidneys. IP-10 blockade affected neither macrophage nor T cell infiltration in diseased kidneys. CONCLUSION These results suggest that blockade of IP-10 via CXCR3 contributes to renal fibrosis, possibly by upregulation of transforming growth factor-beta1, concomitant with downregulation of hepatocyte growth factor.
Collapse
MESH Headings
- Animals
- Antibodies, Monoclonal/pharmacology
- Cells, Cultured
- Chemokine CXCL10
- Chemokines, CXC/antagonists & inhibitors
- Chemokines, CXC/immunology
- Chemokines, CXC/metabolism
- Disease Progression
- Down-Regulation
- Fibrosis
- Hepatocyte Growth Factor/metabolism
- Hydroxyproline/metabolism
- Kidney/metabolism
- Kidney/pathology
- Kidney Diseases/etiology
- Kidney Diseases/metabolism
- Kidney Diseases/pathology
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Knockout
- Receptors, CXCR3
- Receptors, Chemokine/deficiency
- Receptors, Chemokine/metabolism
- Transforming Growth Factor beta1/metabolism
- Up-Regulation
- Ureteral Obstruction/complications
Collapse
Affiliation(s)
- Izaya Nakaya
- Department of Disease Control and Homeostasis, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
43
|
Holst PJ, Orskov C, Qvortrup K, Christensen JP, Thomsen AR. CCR5 and CXCR3 are dispensable for liver infiltration, but CCR5 protects against virus-induced T-cell-mediated hepatic steatosis. J Virol 2007; 81:10101-12. [PMID: 17626099 PMCID: PMC2045423 DOI: 10.1128/jvi.01242-07] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
CCR5 and CXCR3 are important molecules in regulating the migration of activated lymphocytes. Thus, the majority of tissue-infiltrating T cells found in the context of autoimmune conditions and viral infections express CCR5 and CXCR3, and the principal chemokine ligands are expressed within inflamed tissues. Accordingly, intervention studies have pointed to nonredundant roles of these receptors in models of allograft rejection, viral infection, and autoimmunity. In spite of this, considerable controversy exists, with many studies failing to support a role for CCR5 or CXCR3 in disease pathogenesis. One possible explanation is that different chemokine receptors may take over in the absence of any individual receptor, thus rendering individual receptors redundant. We have attempted to address this issue by analyzing CCR5(-/-), CXCR3(-/-), and CCR5/CXCR3(-/-) mice with regard to virus-induced liver inflammation, generation and recruitment of effector cells, virus control, and immunopathology. Our results indicate that CCR5 and CXCR3 are largely dispensable for tissue infiltration and virus control. In contrast, the T-cell response is accelerated in CCR5(-/-) and CCR5/CXCR3(-/-) mice and the absence of CCR5 is associated with the induction of CD8(+) T-cell-mediated immunopathology consisting of marked hepatic microvesicular steatosis.
Collapse
Affiliation(s)
- P J Holst
- Institute of Medical Microbiology and Immunology, University of Copenhagen, The Panum Institute, 3C Blegdamsvej, DK-2200 Copenhagen N, Denmark
| | | | | | | | | |
Collapse
|
44
|
Abstract
There is a great need for new intervention and prevention strategies against Crohn's disease (CD), a chronic, relapsing tissue-destructive inflammatory bowel disease (IBD). Estimates indicate more than 1 million cases of IBD in the United States occur annually, with 50% involving CD. The clinical features of CD correlate with certain mouse models of colitis, including the spontaneous colitis observed in interleukin-10 deficient (IL-10(-/-)), senescence accelerated mice (SAMP1/Yit) and trinitrobenzene sulfonic acid (TNBS)-treated mice. Chemokines undoubtedly play a pivotal role in the regulation (i.e., initiation, maintenance, and suppression) of mucosal inflammation and tissue destruction. A number of key advances have led to greater understanding of the steps responsible for colitis and the roles played by chemokines. In fact, CXCR3 and the ligands for this chemokine receptor, monokine-induced by interferon-gamma (IFN-gamma) (MIG/CXCL9), IFN-gamma-inducible 10 kDa protein (IP-10/CXCL10), and IFN-gamma-inducible T cell alpha-chemoattractant (I-TAC/CXCL11) are differentially expressed at sites of colitis in IL-10(-/-) mice and in clinical cases of CD. While we have demonstrated that antibodies directed against CXCL10 could both prevent the onset and cure of pre-existing colitis in IL-10(-/-) mice, studies by other investigators have shown the efficacy of CXCR3 blockade to mitigate colitis and other inflammatory diseases. This review describes the hallmarks of IBD, CXCL9-11, and CXCR3 expression during murine colitis and IBD, gives an overview of the antagonist therapies targeting the CXCR3 axis, details current and pending bio-therapies for IBD, and discusses what is known about the cellular and CXCR3-mediated mechanisms of colitis.
Collapse
Affiliation(s)
- Udai P Singh
- Department of Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA 30310, USA
| | | | | | | |
Collapse
|
45
|
Facco M, Baesso I, Miorin M, Bortoli M, Cabrelle A, Boscaro E, Gurrieri C, Trentin L, Zambello R, Calabrese F, Cassatella MA, Semenzato G, Agostini C. Expression and role of CCR6/CCL20 chemokine axis in pulmonary sarcoidosis. J Leukoc Biol 2007; 82:946-55. [PMID: 17615381 DOI: 10.1189/jlb.0307133] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
We have shown previously that the chemokine receptors CXCR3 and CXCR6 are coexpressed by Th1 cells infiltrating the lung and the granuloma of patients with sarcoidosis. In this study, we evaluated the role of CCL20/CCR6 interaction in the pathogenesis of acute and chronic pulmonary sarcoidosis. By flow cytometry and molecular analyses, we have demonstrated that Th1 cells isolated from the bronchoalveolar lavage (BAL) of patients with sarcoidosis and T cell alveolitis are equipped with CCR6. Furthermore, CCR6(+) T cells coexpressed the chemokine receptors CXCR3 and CXCR6. Immunohistochemical analysis of lung specimens has shown that CCR6(+) T cells infiltrate lung interstitium and surround the central core of the granuloma. It is interesting that CCR6 was never detected on the alveolar macrophage (AM) surface, and it is observed in the cytoplasm of AMs from patients with sarcoidosis and alveolitis. The CCR6 ligand CCL20 was expressed by macrophages, multinucleated giant cells, and epithelioid cells infiltrating the granuloma. Furthermore, detectable levels of CCL20 protein are seen in the BAL fluid components of patients with active sarcoidosis, and sarcoid AMs release the CCR6 ligand in vitro. From a functional point of view, sarcoid Th1 cells were able to respond to CXCL10, CXCL16, and CCL20 in migratory assays. In vitro kinetic studies demonstrated that CCR6 is induced rapidly by IL-2, IL-18, and IFN-gamma. In conclusion, T cells expressing CCR6, CXCR3, and CXCR6 act coordinately with respective ligands and Th1 inflammatory cytokines in the alveolitic/granuloma phases of the disease.
Collapse
MESH Headings
- Acute Disease
- Adult
- Bronchoalveolar Lavage
- Cells, Cultured
- Chemokine CCL20/biosynthesis
- Chemokine CCL20/immunology
- Chemokine CXCL10/biosynthesis
- Chemokine CXCL10/immunology
- Chemokine CXCL16
- Chemokines, CXC/biosynthesis
- Chemokines, CXC/immunology
- Chronic Disease
- Epithelioid Cells/immunology
- Epithelioid Cells/metabolism
- Epithelioid Cells/pathology
- Female
- Gene Expression Regulation/drug effects
- Gene Expression Regulation/immunology
- Giant Cells/immunology
- Giant Cells/metabolism
- Giant Cells/pathology
- Granuloma, Respiratory Tract/immunology
- Granuloma, Respiratory Tract/metabolism
- Granuloma, Respiratory Tract/pathology
- Humans
- Interferon-gamma/immunology
- Interferon-gamma/pharmacology
- Interleukin-18/immunology
- Interleukin-18/pharmacology
- Interleukin-2/immunology
- Interleukin-2/pharmacology
- Lung/immunology
- Lung/metabolism
- Lung/pathology
- Macrophage Inflammatory Proteins/biosynthesis
- Macrophage Inflammatory Proteins/immunology
- Macrophages, Alveolar/immunology
- Macrophages, Alveolar/metabolism
- Macrophages, Alveolar/pathology
- Male
- Middle Aged
- Receptors, CCR6/biosynthesis
- Receptors, CCR6/immunology
- Receptors, CXCR3
- Receptors, CXCR6
- Receptors, Chemokine/biosynthesis
- Receptors, Chemokine/immunology
- Receptors, Scavenger/biosynthesis
- Receptors, Scavenger/immunology
- Receptors, Virus/biosynthesis
- Receptors, Virus/immunology
- Sarcoidosis, Pulmonary/immunology
- Sarcoidosis, Pulmonary/metabolism
- Sarcoidosis, Pulmonary/pathology
- Th1 Cells/immunology
- Th1 Cells/metabolism
- Th1 Cells/pathology
Collapse
Affiliation(s)
- Monica Facco
- Department of Clinical and Experimental Medicine, Hematology-Immunology Division, Padua University School of Medicine, Via Giustiniani 2, 35128 Padova, Italy
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
46
|
Wald O, Weiss ID, Galun E, Peled A. Chemokines in hepatitis C virus infection: Pathogenesis, prognosis and therapeutics. Cytokine 2007; 39:50-62. [PMID: 17629707 DOI: 10.1016/j.cyto.2007.05.013] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2007] [Revised: 05/20/2007] [Accepted: 05/25/2007] [Indexed: 12/20/2022]
Abstract
Hepatitis C virus infection and its associated liver inflammatory disease is a major global health problem affecting over 170 million people worldwide. Following viral infection, multiple pro-inflammatory mediators contribute to recruitment of immune cells to the liver and to the generation of an anti-viral immune response. However, when this vigorous immune response fails to eliminate the virus, chronic infection is established. This in turn, results in an ongoing process of inflammation, regeneration and fibrosis that in many cases leads to the development of cirrhosis and of hepatocellular carcinoma. Multiple recent publications mark chemokines and their receptors as key players in leukocyte recirculation through the inflamed liver. Furthermore, chemokines may also be involved in liver regeneration, fibrosis, and in malignant transformation, which is induced by the persistence of inflammation. Accumulating data indicates that distinct chemokines and chemokine receptors may be associated with different stages of the chronic hepatitis C virus infection-associated liver disease. Multiple small molecules and peptide antagonizing chemokines and their receptors are in advanced phase 3 and phase 2 clinical trials. In the near future, such drugs are expected to enter clinical use raising the question whether they may be applicable for the treatment of chronic viral infection-associated liver disease. In this review, recent advances in understanding the role of chemokines and their receptors in the pathogenesis of chronic viral infection-associated liver disease are presented. Furthermore, the clinical implications of these novel findings, which mark chemokines as prognostic markers and therapeutic targets for immune-modulation during chronic liver viral infection, are documented.
Collapse
Affiliation(s)
- Ori Wald
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, P.O. Box 12000, Jerusalem 91120, Israel.
| | | | | | | |
Collapse
|
47
|
Aly S, Laskay T, Mages J, Malzan A, Lang R, Ehlers S. Interferon-gamma-dependent mechanisms of mycobacteria-induced pulmonary immunopathology: the role of angiostasis and CXCR3-targeted chemokines for granuloma necrosis. J Pathol 2007; 212:295-305. [PMID: 17534845 DOI: 10.1002/path.2185] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2006] [Accepted: 03/30/2007] [Indexed: 11/11/2022]
Abstract
The mechanisms leading to granuloma caseation, a hallmark of tuberculosis (TB) in humans, are poorly understood. Lung histopathology of C57BL/6 (WT) mice 16 weeks after aerosol infection with Mycobacterium avium strain TMC724 is uniquely characterized by centrally necrotizing granulomas, strongly resembling human TB lesions. However, IFN-gamma-deficient (GKO) and IFN-gamma-receptor-deficient (GRKO) mice did not develop granuloma necrosis following M. avium infection. Comparison of differentially expressed genes in infected WT and GKO lungs by DNA microarray and RNase protection assays revealed that the angiostatic chemokines CXCL9-11 were significantly reduced in GKO mice. In contrast, angiogenic mediators such as angiopoietin and vascular endothelial growth factor, and angiogenic chemokines such as CXCL2, CCL3, and CCL4, remained unchanged or were expressed at higher levels than in infected WT mice, suggesting impaired neovascularization of the granuloma as a possible mechanism for caseation in WT mice. Granuloma vascularization was significantly decreased in central, but not peripheral, areas of granulomas of infected WT compared to GKO mice. In contrast to GRKO mice, WT mice showed signs of severe hypoxia in cells immediately surrounding the necrotic core of granulomas as measured immunohistochemically with a reagent detecting pimonidazole adducts. To test the hypothesis that CXCR3, the common receptor for the angiostatic chemokines CXCL9-11, is involved in granuloma caseation, histomorphology was assessed in M. avium-infected mice deficient for CXCR3 (CXCR3-KO). 16 weeks after infection, these mice developed caseating granulomas similar to WT mice. We conclude that IFN-gamma causes a dysbalance between angiostatic and angiogenic mediators and a concomitant reduction in granuloma vascularization, but that CXCR3-targeted chemokines are not sufficient to induce granuloma necrosis in a mouse model of mycobacteria-induced immunopathology.
Collapse
MESH Headings
- Animals
- Capillaries/pathology
- Chemokines/genetics
- Chemokines/physiology
- Gene Expression Profiling
- Granuloma, Respiratory Tract/immunology
- Granuloma, Respiratory Tract/microbiology
- Granuloma, Respiratory Tract/pathology
- Immunohistochemistry
- In Situ Hybridization/methods
- Interferon-gamma/genetics
- Interferon-gamma/metabolism
- Lung/immunology
- Lung/microbiology
- Lung/pathology
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Mycobacterium avium
- Necrosis
- Oligonucleotide Array Sequence Analysis
- Receptors, CXCR3
- Receptors, Chemokine/genetics
- Receptors, Chemokine/metabolism
- Receptors, Interferon/genetics
- Receptors, Interferon/metabolism
- Tuberculosis, Pulmonary/immunology
- Tuberculosis, Pulmonary/pathology
- Interferon gamma Receptor
Collapse
Affiliation(s)
- S Aly
- Division of Molecular Infection Biology, Research Centre Borstel, D-23845 Borstel, Germany
| | | | | | | | | | | |
Collapse
|
48
|
Yates CC, Whaley D, Kulasekeran P, Hancock WW, Lu B, Bodnar R, Newsome J, Hebda PA, Wells A. Delayed and deficient dermal maturation in mice lacking the CXCR3 ELR-negative CXC chemokine receptor. Am J Pathol 2007; 171:484-95. [PMID: 17600132 PMCID: PMC1934531 DOI: 10.2353/ajpath.2007.061092] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Replacement of wounded skin requires the initially florid cellular response to abate and even regress as the dermal layer returns to a relatively paucicellular state. The signals that direct this "stop and return" process have yet to be deciphered. CXCR3 chemokine receptor and its ligand CXCL11/IP-9/I-TAC are expressed by basal keratinocytes and CXCL10/IP-10 by keratinocytes and endothelial cells during wound healing in mice and humans. In vitro, these ligands limit motility in dermal fibroblasts and endothelial cells. To examine whether this signaling pathway contributes to wound healing in vivo, full-thickness excisional wounds were created on CXCR3 wild-type (+/+) or knockout (-/-) mice. Even at 90 days, long after wound closure, wounds in the CXCR3(-/-) mice remained hypercellular and presented immature matrix components. The CXCR3(-/-) mice also presented poor remodeling and reorganization of collagen, which resulted in a weakened healed dermis. This in vivo model substantiates our in vitro findings that CXCR3 signaling is necessary for inhibition of fibroblast and endothelial cell migration and subsequent redifferentiation of the fibroblasts to a contractile state. These studies establish a pathophysiologic role for CXCR3 and its ligand during wound repair.
Collapse
MESH Headings
- Adult
- Animals
- Animals, Newborn
- Apoptosis/genetics
- Apoptosis/physiology
- Chemokine CXCL11
- Chemokines, CXC/genetics
- Chemokines, CXC/metabolism
- Collagen/metabolism
- Dermis/metabolism
- Dermis/pathology
- Dermis/physiopathology
- Extracellular Matrix/metabolism
- Female
- Fibroblasts/cytology
- Fibroblasts/drug effects
- Fibroblasts/metabolism
- Fibronectins/metabolism
- Gene Expression
- Humans
- Intercellular Signaling Peptides and Proteins/pharmacology
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Knockout
- Neovascularization, Physiologic/genetics
- Neovascularization, Physiologic/physiology
- Receptors, CXCR3
- Receptors, Chemokine/deficiency
- Receptors, Chemokine/genetics
- Receptors, Chemokine/physiology
- Signal Transduction/genetics
- Signal Transduction/physiology
- Skin/metabolism
- Skin/pathology
- Skin/physiopathology
- Time Factors
- Wound Healing/genetics
- Wound Healing/physiology
Collapse
Affiliation(s)
- Cecelia C Yates
- Department of Pathology, University of Pittsburgh and Pittsburgh VAMC, Pittsburgh, Pennsylvania 15261, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
49
|
Haskova Z, Izawa A, Contreras AG, Flynn E, Boulday G, Briscoe DM. Organ-Specific Differences in the Function of MCP-1 and CXCR3 During Cardiac and Skin Allograft Rejection. Transplantation 2007; 83:1595-601. [PMID: 17589343 DOI: 10.1097/01.tp.0000266892.69117.9a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Chemokines are well-established to function in the recruitment of leukocytes into allografts in the course of rejection. Moreover, some studies have indicated that there are organ-specific differences in chemokine function, but the mechanism accounting for this difference is not known. METHODS Fully major histocompatibility complex-mismatched vascularized cardiac transplants or skin transplants were performed using BALB/c (H-2d), C57BL/6 (H-2b), MCP-1-/- (H-2b) and CXCR3-/- (H-2b) mice as donors or recipients. Also, skin grafts (H-2b) were placed onto SCID mice (H-2d) that received BALB/c splenocytes (H-2d) by adoptive transfer either at the time of transplantation, or after a period of 28 days. RESULTS Cardiac allografts in MCP-1-/- recipients survived significantly longer (P<0.0005) than wild-type (WT) controls. However, there was no prolongation of survival when MCP-1-/- grafts were used a donors in WT mice. In contrast, the absence of donor but not recipient MCP-1 prolonged skin allograft survival. WT donor cardiac grafts in CXCR3-/- recipients had a modest prolongation of survival (P<0.0005), whereas CXCR3-/- donor cardiac grafts in WT recipients were rejected similar to controls. Also, while recipient CXCR3 had no effect on the rejection of skin, CXCR3-/- donor skin grafts survived significantly longer than WT controls. This survival advantage was lost when vascularized CXCR3-/- skin grafts were used as donors in the SCID model of rejection. CONCLUSION Recipient derived MCP-1 and CXCR3 are functional in the rejection of vascularized, but not nonvascularized, allografts. In contrast, donor-derived MCP-1 and CXCR3 are functional in nonvascularized, but not vascularized grafts.
Collapse
Affiliation(s)
- Zdenka Haskova
- Transplantation Research Center and the Division of Nephrology, Children's Hospital Boston, and the Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | | | | | | | | | | |
Collapse
|
50
|
Schutyser E, Su Y, Yu Y, Gouwy M, Zaja-Milatovic S, Van Damme J, Richmond A. Hypoxia enhances CXCR4 expression in human microvascular endothelial cells and human melanoma cells. Eur Cytokine Netw 2007; 18:59-70. [PMID: 17594938 PMCID: PMC2665278 DOI: 10.1684/ecn.2007.0087] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2007] [Indexed: 11/17/2022]
Abstract
The influence of environmental factors (cytokines, matrix components, serum factors and O(2) level) on expression of receptors for angiogenic versus angiostatic CXC chemokines in human microvascular endothelial cells has not been extensively investigated. Our semi-quantitative RT-PCR analysis demonstrated that TNF-alpha and IFN-gamma repressed CXCR4 mRNA levels in immortalized human microvascular endothelial HMEC-1 cells after 4 h, whereas only TNF-alpha displayed inhibitory activity in primary human microvascular endothelial cells (HMVEC). CXCR4 mRNA expression was not affected by VEGF, GM-CSF, IL-1beta or various basal membrane matrix components, but was significantly up-regulated after serum starvation and/or hypoxic treatment of the microvascular endothelial cells. The alternative CXCL12 receptor, CXCR7/RDC1, was also up-regulated by hypoxia in HMEC-1 cells, although less consistently than CXCR4. Furthermore, hypoxia and serum starvation were required for cell surface display of CXCR4 and CXCL12 induction of ERK activation in HMEC-1 cells. In contrast, CXCR2 and CXCR3 mRNA levels remained, respectively, low and undetectable under all the conditions tested, and surface expression of CXCR2, CXCR3 and CXCR7 on the HMEC- 1 cells could not be demonstrated by FACS. In the human SK-MEL-5 melanoma cell line, CXCR4 mRNA expression was also increased under hypoxic conditions, whereas CXCR2 mRNA levels remained low and levels of CXCR3 and CXCR7 were undetectable. However, immunohistochemical staining of human metastatic melanoma sections demonstrated that CXCR2, CXCR3, CXCR4 and CXCR7 are expressed on tumor cells and, to a lesser extent, on endothelial cells. These results demonstrate that the tumor microenvironment regulates chemokine receptor expression through both cytokine and oxygen levels.
Collapse
Affiliation(s)
- Evemie Schutyser
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, University of Leuven, Belgium
| | | | | | | | | | | | | |
Collapse
|