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Blokon-Kogan D, Levi-Mann M, Malka-Levy L, Itzhaki O, Besser MJ, Shiftan Y, Szöőr Á, Vereb G, Gross G, Abken H, Weinstein-Marom H. Membrane anchored IL-18 linked to constitutively active TLR4 and CD40 improves human T cell antitumor capacities for adoptive cell therapy. J Immunother Cancer 2022. [PMCID: PMC9442493 DOI: 10.1136/jitc-2020-001544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BackgroundAdoptive transfer of tumor-infiltrating lymphocytes (TILs) or blood T cells genetically redirected by an antitumor TCR or CAR induces a strong antitumor response in a proportion of patients with cancer; however, the therapeutic efficacy is often limited by rapid decline in T cell functions. Coadministering supportive cytokines frequently provokes systemic side effects preventing their broad clinical application. We recently showed that cytokines can be anchored to the cell membrane in a functional fashion and that cytokine receptor signaling can synergize with TLR4 and CD40 signaling. Here, we aimed at augmenting T cell activation by simultaneous signaling through the cytokine receptor, toll-like receptor and TNF-type receptor using IL-18, TLR4 and CD40 as prototypes.MethodsGenes were expressed on electroporation of in vitro-transcribed mRNA in CD4+ and CD8+ T cells from healthy donors redirected against melanoma cells with an anti-melanotransferrin CAR and in TILs derived from melanoma patients. Functional assays included the activation of signaling pathways, expression of activation and differentiation markers, cytokine secretion and killing of melanoma target cells.ResultsTo provide IL-18 costimulation to T cells in-cis while avoiding systemic effects, we genetically anchored IL-18 to the T cell membrane, either alone (memIL-18) or fused with constitutively active (ca)TLR4 and caCD40 signaling domains arranged in tandem, creating a synthetic ‘all-in-one’ memIL-18-TLR4-CD40 receptor. MemIL-18-TLR4-CD40, but not memIL-18, triggered strong NF-κB activation in cells lacking the IL-18 receptor, attesting to functionality of the TLR-CD40 moiety. While the membrane-anchored cytokine was found to act mainly in-cis, some T cell activation in-trans was also observed. The electroporated T cells exhibited spontaneous T-bet upregulation and IFN-γ and TNF-α secretion. Melanoma-induced activation of CAR-T cells and TILs as manifested by cytokine secretion and cytolytic activity was substantially augmented by both constructs, with memIL-18-TLR4-CD40 exerting stronger effects than memIL-18 alone.ConclusionsLinking membrane anchored IL-18 with caTLR4 and caCD40 signaling in one hybrid transmembrane protein provides simultaneous activation of three T cell costimulatory pathways through one genetically engineered membrane molecule, strongly amplifying T cell functions for adoptive T cell therapy of cancer.
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Affiliation(s)
- Dayana Blokon-Kogan
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
- The Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| | - Maya Levi-Mann
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
- The Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| | - Lior Malka-Levy
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
- The Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| | - Orit Itzhaki
- Ella Lemelbaum Institute for Immuno-Oncology, Sheba Medical Center at Tel Hashomer, Ramat Gan, Israel
| | - Michal J Besser
- Ella Lemelbaum Institute for Immuno-Oncology, Sheba Medical Center at Tel Hashomer, Ramat Gan, Israel
- Department of Clinical Microbiology and Immunology, Tel Aviv University Sackler Faculty of Medicine, Tel Aviv, Israel
- Davidoff Center, Rabin Medical Center, Petah Tikvah, Israel
| | - Yuval Shiftan
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
| | - Árpád Szöőr
- Department of Biophysics and Cell Biology, University of Debrecen Faculty of Medicine, Debrecen, Hungary
| | - György Vereb
- Department of Biophysics and Cell Biology, University of Debrecen Faculty of Medicine, Debrecen, Hungary
- MTA-DE Cell Biology and Signaling Research Group, University of Debrecen Faculty of Medicine, Debrecen, Hungary
| | - Gideon Gross
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
- The Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| | - Hinrich Abken
- Div. Genetic Immunotherapy, Leibniz Institute for Immunotherapy and University Regensburg, Regensburg, Germany
| | - Hadas Weinstein-Marom
- Laboratory of Immunology, MIGAL - Galilee Research Institute, Kiryat Shmona, Israel
- The Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
- Ella Lemelbaum Institute for Immuno-Oncology, Sheba Medical Center at Tel Hashomer, Ramat Gan, Israel
- Department of Clinical Microbiology and Immunology, Tel Aviv University Sackler Faculty of Medicine, Tel Aviv, Israel
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Perrin S, Magill M. The Inhibition of CD40/CD154 Costimulatory Signaling in the Prevention of Renal Transplant Rejection in Nonhuman Primates: A Systematic Review and Meta Analysis. Front Immunol 2022; 13:861471. [PMID: 35464470 PMCID: PMC9022482 DOI: 10.3389/fimmu.2022.861471] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/15/2022] [Indexed: 11/29/2022] Open
Abstract
The prevention of allograft transplant rejection by inhibition of the CD40/CD40L costimulatory pathway has been described in several species. We searched pubmed for studies reporting the prevention of kidney transplant rejection in nonhuman primates utilizing either anti CD40 or anti CD40L (CD154) treatment. Inclusion of data required treatment with anti CD40 or anti CD154 as monotherapy treatment arms, full text available, studies conducted in nonhuman primate species, the transplant was renal transplantation, sufficient duration of treatment to assess long term rejection, and the reporting of individual graft survival or survival duration. Eleven publications were included in the study. Rejection free survival was calculated using the Kaplan-Meier (KM) life test methods to estimate the survival functions. The 95% CI for the medians was also calculated. A log-rank test was used to test the equality of the survival curves between control and treatment arms (CD40 and CD154). The hazard ratio for CD154 compared to CD40 and 95% CI was calculated using a Cox proportional-hazards model including treatment as the covariate to assess the magnitude of the treatment effect. Both anti CD40 and anti CD154 treatments prevented acute and long term graft rejection. The median (95% CI) rejection free survival was 131 days (84,169 days) in the anti CD40 treated animals and 352 days (173,710 days) in the anti CD154 treated animals. Median survival in the untreated animals was 6 days. The inhibition of transplant rejection was more durable in the anti CD154 group compared to the anti CD40 group after cessation of treatment. The median (95% CI) rejection free survival after cessation of treatment was 60 days (21,80 days) in the anti CD40 treated animals and 230 days (84,552 days) in the anti CD154 treated animals.
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Salti S, Al-Zoobi L, Darif Y, Hassan GS, Mourad W. CD154 Resistant to Cleavage from Intracellular Milieu and Cell Surface Induces More Potent CD40-Mediated Responses. THE JOURNAL OF IMMUNOLOGY 2021; 206:1793-1805. [PMID: 33762325 DOI: 10.4049/jimmunol.2001340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/13/2021] [Indexed: 11/19/2022]
Abstract
In addition to the membrane-bound form, CD154 also exists as a soluble molecule originating from an intracellular and membrane cleavage. We have previously shown that CD154 cleavage from T cell surface is mediated by CD40 and involves the action of ADAM10/ADAM17 enzymes. In the aim of defining the importance of CD154 maintained on cell surface, we generated a CD154 mutated at the cleavage site. Our data show that the double mutation of E112 and M113 residues of CD154 abolishes its spontaneous release and the CD40-mediated cleavage from cell surface but does not affect its binding to CD40. We also demonstrated that both the release of CD154 from the intracellular milieu and its CD40-mediated cleavage from cell surface are highly dependent on ADAM10/ADAM17 enzymes. The CD154-EM mutant was shown capable of inducing a more prominent apoptotic response in susceptible B cell lines than the wild-type (WT) form of the molecule. In addition, human B cells cultured in the presence of the CD154-EM mutant exhibited upregulated proliferative responses compared with the CD154-WT. The CD154-EM mutant was also shown to trigger differentiation of human B cells, reflected by an increased Ig production, more significantly than CD154-WT. Thus, our data strongly suggest that cleavage-resistant CD154 is a more prominent stimulant than the cleavable form of the molecule. Therefore, a maintained expression of CD154 on cell membrane and a disturbed cleavage of the molecule could be a mechanism by which CD154 is involved in some pathological conditions and should be revisited.
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Affiliation(s)
- Suzanne Salti
- Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebc H2X 0A9, Canada
| | - Loubna Al-Zoobi
- Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebc H2X 0A9, Canada
| | - Youssef Darif
- Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebc H2X 0A9, Canada
| | - Ghada S Hassan
- Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebc H2X 0A9, Canada
| | - Walid Mourad
- Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montreal, Quebc H2X 0A9, Canada
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4
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Biram A, Shulman Z. T cell help to B cells: Cognate and atypical interactions in peripheral and intestinal lymphoid tissues. Immunol Rev 2020; 296:36-47. [PMID: 32557712 DOI: 10.1111/imr.12890] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/18/2020] [Accepted: 05/21/2020] [Indexed: 12/12/2022]
Abstract
Enduring immunity against harmful pathogens depends on the generation of immunological memory. Serum immunoglobulins are constantly secreted by long-lived antibody-producing cells, which provide extended protection from recurrent exposures. These cells originate mainly from germinal center structures, wherein B cells introduce mutations to their immunoglobulin genes followed by affinity-based selection. Generation of high-affinity antibodies relies on physical contacts between T and B cells, a process that facilitates the delivery of fate decision signals. T-B cellular engagements are mediated through interactions between the T cell receptor and its cognate peptide presented on B cell major histocompatibility class II molecules. Here, we describe the cellular and molecular aspects of these cognate T-B interactions, and highlight exceptional cases, especially those arising at intestinal lymphoid organs, at which T cells provide help to B cells in an atypical manner, independent of T cell specificity.
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Affiliation(s)
- Adi Biram
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Ziv Shulman
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
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5
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Pucino V, Gardner DH, Fisher BA. Rationale for CD40 pathway blockade in autoimmune rheumatic disorders. THE LANCET. RHEUMATOLOGY 2020; 2:e292-e301. [PMID: 38273474 DOI: 10.1016/s2665-9913(20)30038-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/15/2020] [Accepted: 02/05/2020] [Indexed: 02/07/2023]
Abstract
CD40 and its ligand CD40L (CD154) belong to the tumor necrosis factor receptor superfamily and are expressed by a variety of immune and non-immune cells. CD40L plays a central role in co-stimulation and regulation of the immune response via activation of cells expressing CD40. Imbalance of the CD40-CD40L co-stimulatory pathway has been reported in many autoimmune diseases, including systemic lupus erythematosus, rheumatoid arthritis, and Sjögren's syndrome, thus supporting its role in the breach of immune tolerance that is typical of these diseases. Targeting CD40-CD40L signalling might represent a novel therapeutic option for several autoimmune disorders.
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Affiliation(s)
- Valentina Pucino
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Queen Elizabeth Hospital, Birmingham, UK; National Institute for Health Research, Birmingham Biomedical Research Centre and Department of Rheumatology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - David H Gardner
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Queen Elizabeth Hospital, Birmingham, UK
| | - Benjamin A Fisher
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Queen Elizabeth Hospital, Birmingham, UK; National Institute for Health Research, Birmingham Biomedical Research Centre and Department of Rheumatology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.
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6
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Wan Z, Lin Y, Zhao Y, Qi H. T
FH
cells in bystander and cognate interactions with B cells. Immunol Rev 2019; 288:28-36. [DOI: 10.1111/imr.12747] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 01/19/2019] [Accepted: 01/25/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Zurong Wan
- Department of Basic Biomedical Sciences, School of Medicine, Laboratory of Dynamic Immunobiology, Tsinghua‐Peking Center for Life SciencesTsinghua University Beijing China
| | - Yihan Lin
- Department of Basic Biomedical Sciences, School of Medicine, Laboratory of Dynamic Immunobiology, Tsinghua‐Peking Center for Life SciencesTsinghua University Beijing China
| | - Yongshan Zhao
- Department of Basic Biomedical Sciences, School of Medicine, Laboratory of Dynamic Immunobiology, Tsinghua‐Peking Center for Life SciencesTsinghua University Beijing China
| | - Hai Qi
- Department of Basic Biomedical Sciences, School of Medicine, Laboratory of Dynamic Immunobiology, Tsinghua‐Peking Center for Life SciencesTsinghua University Beijing China
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7
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Muller J, Baeyens A, Dustin ML. Tumor Necrosis Factor Receptor Superfamily in T Cell Priming and Effector Function. Adv Immunol 2018; 140:21-57. [PMID: 30366518 DOI: 10.1016/bs.ai.2018.08.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The tumor necrosis factor receptor superfamily (TNFRSF) and their ligands mediate lymphoid tissue development and homeostasis in addition to key aspects of innate and adaptive immune responses. T cells of the adaptive immune system express a number of TNFRSF members that are used to receive signals at different instructive stages and produce several tumor necrosis factor superfamily (TNFSF) members as effector molecules. There is also one example of a TNFRSF member serving as a ligand for negative regulatory checkpoint receptors. In most cases, the ligands in afferent and efferent phases are membrane proteins and thus the interaction with TNFRSF members must take place in immunological synapses and other modes of cell-cell interaction. A particular feature of the TNFRSF-mediated signaling is the prominent use of linear ubiquitin chains as scaffolds for signaling complexes that activate nuclear factor κ-B and Fos/Jun transcriptional regulators. This review will focus on the signaling mechanisms triggered by TNFRSF members in their role as costimulators of early and late phases of T cell instruction and the delivery mechanism of TNFSF members through the immunological synapses of helper and cytotoxic effector cells.
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Affiliation(s)
- James Muller
- Skirball Institute of Biomolecular Medicine and Immunology Training Program, New York University School of Medicine, New York, NY, United States
| | - Audrey Baeyens
- Skirball Institute of Biomolecular Medicine and Immunology Training Program, New York University School of Medicine, New York, NY, United States
| | - Michael L Dustin
- Skirball Institute of Biomolecular Medicine and Immunology Training Program, New York University School of Medicine, New York, NY, United States; Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, Kennedy Institute of Rheumatology, University of Oxford, Oxford, United Kingdom.
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8
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Increase In Il-31 Serum Levels Is Associated With Reduced Structural Damage In Early Axial Spondyloarthritis. Sci Rep 2018; 8:7731. [PMID: 29769586 PMCID: PMC5956108 DOI: 10.1038/s41598-018-25722-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 03/29/2018] [Indexed: 11/22/2022] Open
Abstract
In spondyloarthritis, little is known about the relation between circulating cytokines and patient phenotype. We have quantified serum levels of T helper type 1 cell (Th1), Th2 and Th17 cytokines in patients with recent-onset axial spondyloarthritis (AxSpA) from the DESIR cohort, a prospective, multicenter French cohort consisting of 708 patients with recent-onset inflammatory back pain (duration >3 months but <3 years) suggestive of AxSpA. Serum levels of Th1, Th2, and Th17 cytokines were assessed at baseline in patients from the DESIR cohort fulfilling the ASAS criteria (ASAS+) and were compared with age- and sex-matched healthy controls. At baseline, ASAS+ patients (n = 443) and healthy controls (n = 79) did not differ in levels of most of the Th1, Th2 and Th17 cytokines except for IL-31, and sCD40L, which were significantly higher for ASAS+ patients than controls (p < 0.001 and p = 0.012, respectively). On multivariable analysis of ASAS+ patients, IL-31 level was associated with sCD40L level (p < 0.0001), modified Stoke AS Spine Score (mSASSS) < 1 (p = 0.035). The multivariable analyses showed that IL-31 was an independent factor associated with mSASSS < 1 (p = 0.001) and low bone mineral density (p = 0.01). Increased level of IL-31 might protect against structural damage but is also related to low BMD.
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9
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Senchenkova EY, Russell J, Vital SA, Yildirim A, Orr AW, Granger DN, Gavins FNE. A critical role for both CD40 and VLA5 in angiotensin II-mediated thrombosis and inflammation. FASEB J 2018; 32:3448-3456. [PMID: 29452567 DOI: 10.1096/fj.201701068r] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Angiotensin II (Ang-II)-induced hypertension is associated with accelerated thrombus formation in arterioles and leukocyte recruitment in venules. The mechanisms that underlie the prothrombotic and proinflammatory responses to chronic Ang-II administration remain poorly understood. We evaluated the role of CD40/CD40 ligand (CD40L) signaling in Ang-II-mediated microvascular responses and assessed whether and how soluble CD40L (sCD40L) contributes to this response. Intravital video microscopy was performed to analyze leukocyte recruitment and dihydrorhodamine-123 oxidation in postcapillary venules. Thrombus formation in cremaster muscle arterioles was induced by using the light/dye endothelial cell injury model. Wild-type (WT), CD40-/-, and CD40L-/- mice received Ang-II for 14 d via osmotic minipumps. Some mice were treated with either recombinant sCD40L or the VLA5 (very late antigen 5; α5β1) antagonist, ATN-161. Our results demonstrate that CD40-/-, CD40L-/-, and WT mice that were treated with ATN-161 were protected against the thrombotic and inflammatory effects of Ang-II infusion. Infusion of sCD40L into CD40-/- or CD40L-/- mice restored the prothrombotic effect of Ang-II infusion. Mice that were treated with ATN-161 and infused with sCD40L were protected against accelerated thrombosis. Collectively, these novel findings suggest that the mechanisms that underlie Ang-II-dependent thrombotic and inflammatory responses link to the signaling of CD40L via both CD40 and VLA5.-Senchenkova, E. Y., Russell, J., Vital, S. A., Yildirim, A., Orr, A. W., Granger, D. N., Gavins, F. N. E. A critical role for both CD40 and VLA5 in angiotensin II-mediated thrombosis and inflammation.
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Affiliation(s)
- Elena Y Senchenkova
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA.,Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Janice Russell
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
| | - Shantel A Vital
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
| | - Alper Yildirim
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA.,Department of Physiology, Marmara University School of Medicine, Istanbul, Turkey
| | - A Wayne Orr
- Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
| | - D Neil Granger
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
| | - Felicity N E Gavins
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA.,Department of Neurology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
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10
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Wu SF, Chang CB, Hsu JM, Lu MC, Lai NS, Li C, Tung CH. Hydroxychloroquine inhibits CD154 expression in CD4 + T lymphocytes of systemic lupus erythematosus through NFAT, but not STAT5, signaling. Arthritis Res Ther 2017; 19:183. [PMID: 28793932 PMCID: PMC5550984 DOI: 10.1186/s13075-017-1393-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 07/18/2017] [Indexed: 12/28/2022] Open
Abstract
Background Overexpression of membranous CD154 in T lymphocytes has been found previously in systemic lupus erythematosus (SLE). Because hydroxychloroquine (HCQ) has been used frequently in the treatment of lupus, we sought to identify the effects of HCQ on CD154 and a possibly regulatory mechanism. Methods CD4+ T cells were isolated from the blood of lupus patients. After stimulation with ionomycin or IL-15 and various concentrations of HCQ, expression of membranous CD154 and NFAT and STAT5 signaling were assessed. Results HCQ treatment had significant dose-dependent suppressive effects on membranous CD154 expression in ionomycin-activated T cells from lupus patients. Furthermore, HCQ inhibited intracellular sustained calcium storage release, and attenuated the nuclear translocation of NFATc2 and the expression of NFATc1. However, CD154 expressed through IL-15-mediated STAT5 signaling was not inhibited by HCQ treatment. Conclusions HCQ inhibited NFAT signaling in activated T cells and blocked the expression of membranous CD154, but not STAT5 signaling. These findings provide a mechanistic insight into SLE in HCQ treatment.
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Affiliation(s)
- Shu-Fen Wu
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, University Rd, Min-Hsiung, Chia-Yi, 62247, Taiwan
| | - Chia-Bin Chang
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, University Rd, Min-Hsiung, Chia-Yi, 62247, Taiwan
| | - Jui-Mei Hsu
- Division of Allergy, Immunology and Rheumatology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.,Department of Medical Research, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chia-Yi, Taiwan
| | - Ming-Chi Lu
- Division of Allergy, Immunology and Rheumatology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.,College of Medicine, Tzu Chi University, Hualien, Taiwan.,Department of Medical Research, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chia-Yi, Taiwan
| | - Ning-Sheng Lai
- Division of Allergy, Immunology and Rheumatology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.,College of Medicine, Tzu Chi University, Hualien, Taiwan.,Department of Medical Research, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Chia-Yi, Taiwan
| | - Chin Li
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, University Rd, Min-Hsiung, Chia-Yi, 62247, Taiwan
| | - Chien-Hsueh Tung
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, University Rd, Min-Hsiung, Chia-Yi, 62247, Taiwan. .,Division of Allergy, Immunology and Rheumatology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.
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11
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Zhang S, Wang X, Li G, Chong Y, Zhang J, Guo X, Li B, Bi Z. Osteoclast regulation of osteoblasts via RANK‑RANKL reverse signal transduction in vitro. Mol Med Rep 2017; 16:3994-4000. [PMID: 28731168 PMCID: PMC5646979 DOI: 10.3892/mmr.2017.7039] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 05/11/2017] [Indexed: 01/09/2023] Open
Abstract
The treatment of osteoporosis typically inhibits the activity of osteoclasts, which subsequently results in the suppression of bone formation and maintenance, however the underlying mechanism remains to be elucidated. The receptor activator of nuclear factor κ-B ligand (RANKL)-receptor activator of nuclear factor κ-B (RANK) signaling axis is important in the osteoblast regulation of osteoclasts. RANKL surface-bound molecules expressed on T cells stimulate a reverse signaling transduction in order to regulate the T cells, therefore the present study hypothesized that RANKL expressed on osteoblasts may transfer reverse signals to regulate osteoblasts. A series of experiments were designed to test the hypothesis, using MTT, stealth RNA interference, reverse transcription-quantitative polymerase chain reaction, western blot analysis, alkaline phosphatase activity assay and alizarin red staining. The present study observed the role of RANK-RANKL reverse signaling on osteoblasts, regulated by osteoclasts. Osteoblasts were treated with recombinant RANK proteins. The soluble RANK enhanced the mineralization of osteoblasts. When the RANKL was knocked down in the osteoblast, RANK demonstrated a weak osteogenic effect on the RANKL-deficient osteoblast compared with the wild-type osteoblast which served as a control. Addition of soluble RANK activated the p38 mitogen activated protein kinase (MAPK) signaling pathway in the osteoblast and blocking this same pathway in E1 cells reduced the effect of RANK. In the co-culture system of osteoblasts and osteoclasts, p38 MAPK in E1 cells was phosphorylated a short time following co-culture and the phosphorylation then blocked by abundant soluble RANKL. The findings suggested that RANKL expressed on osteoblasts transferred reverse signals from the exterior of the cell to the interior, which regulated the osteoblasts.
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Affiliation(s)
- Shiqian Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Xiaoyu Wang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Guojun Li
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Yang Chong
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Jie Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Xinzhen Guo
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Baoxin Li
- Department of Pharmacology, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Zhenggang Bi
- Department of Orthopedic Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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12
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Jasinski-Bergner S, Radetzki AL, Jahn J, Wohlrab D, Kielstein H. Impact of the body mass index on perioperative immunological disturbances in patients with hip and knee arthroplasty. J Orthop Surg Res 2017; 12:58. [PMID: 28390430 PMCID: PMC5385075 DOI: 10.1186/s13018-017-0557-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 03/25/2017] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Obesity increases the risk for knee and hip joint implantation and negatively contributes to wound healing. In this study, in 52 patients undergoing hip and knee arthroplasty the amount of peripheral immune effector cells pre- and post-operative, as well as the expression of certain soluble factors affecting the functions of immune effector cells were investigated. METHODS The peripheral immune cells and the expression of the soluble factors were determined by flow cytometry and correlated to each other in dependency of the BMI, the sex, and the kind of arthroplasty. RESULTS The pre-operative amounts of peripheral NK cells and cytotoxic T cells significantly decreased with increasing BMI. Furthermore, the expression of the immunomodulatory adipokine leptin nicely correlated to the BMI. These effects were stronger in males than in females. Furthermore, the correlation of the activation marker sTNF-R and peripheral T cells strongly decreased with increasing BMI. While IL-6, CD40L, and MPO were significantly induced after surgery, there were no correlations to the BMI. CONCLUSIONS The known wound-healing problems in obese patients and the osteoarthritis per se can be linked to the BMI. While obese patients exerted reduced peripheral NK cells and cytotoxic T cells (CTLs), IL-6 showed no involvement. However, the adipokine leptin strongly increased with the BMI strengthening its role as immunomodulatory molecule negatively interfering the functions of immune effector cells.
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Affiliation(s)
- Simon Jasinski-Bergner
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Grosse Steinstrasse 52, 06108 Halle (Saale), Germany
| | - Anna-Luise Radetzki
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Grosse Steinstrasse 52, 06108 Halle (Saale), Germany
| | - Janine Jahn
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Grosse Steinstrasse 52, 06108 Halle (Saale), Germany
| | - David Wohlrab
- Department for Orthopedics, Trauma and Reconstructive Surgery, University Hospital of Halle (Saale), Halle (Saale), Germany
| | - Heike Kielstein
- Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, Grosse Steinstrasse 52, 06108 Halle (Saale), Germany
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13
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Au AE, Josefsson EC. Regulation of platelet membrane protein shedding in health and disease. Platelets 2016; 28:342-353. [PMID: 27494300 DOI: 10.1080/09537104.2016.1203401] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extracellular proteolysis of platelet plasma membrane proteins is an event that ensues platelet activation. Shedding of surface receptors such as glycoprotein (GP) Ibα, GPV and GPVI as well as externalized proteins P-selectin and CD40L releases soluble ectodomain fragments that are subsequently detectable in plasma. This results in the irreversible functional downregulation of platelet receptor-mediated adhesive interactions and the generation of biologically active fragments. In this review, we describe molecular insights into the regulation of platelet receptor and ligand shedding in health and disease. The scope of this review is specially focused on GPIbα, GPV, GPVI, P-selectin and CD40L where we: (1) describe the basic physiological regulation of expression and shedding of these proteins in hemostasis illustrate alterations in receptor expression during (2) apoptosis and (3) ex vivo storage relevant for blood banking purposes; (4) discuss considerations to be made when analyzing and interpreting shedding of platelet membrane proteins and finally; (5) collate clinical evidence that quantify these platelet proteins during disease.
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Affiliation(s)
- Amanda E Au
- a The Walter and Eliza Hall Institute of Medical Research, Cancer & Haematology Division , 1G Royal Parade, Melbourne , Australia.,b Department of Medical Biology , The University of Melbourne , Melbourne , Australia
| | - Emma C Josefsson
- a The Walter and Eliza Hall Institute of Medical Research, Cancer & Haematology Division , 1G Royal Parade, Melbourne , Australia.,b Department of Medical Biology , The University of Melbourne , Melbourne , Australia
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14
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Ahmadsei M, Lievens D, Weber C, von Hundelshausen P, Gerdes N. Immune-mediated and lipid-mediated platelet function in atherosclerosis. Curr Opin Lipidol 2015; 26:438-48. [PMID: 26270811 DOI: 10.1097/mol.0000000000000212] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Cardiovascular disease (CVD) is the leading cause of death and morbidity worldwide. Detailed knowledge of the mechanisms of atherosclerosis, the main underlying disease of CVD, will enable improved preventive and therapeutic options, thus potentially limiting the burden of vascular disease in aging societies. A large body of evidence illustrates the contribution of platelets to processes beyond their traditionally recognized role as mediators in thrombosis and hemostasis. Recent advances in molecular biology help to understand the complexity of atherosclerosis. RECENT FINDINGS This article outlines the role of platelets as modulators of immune responses in the context of atherosclerosis. It provides a short overview of interactions between platelets and endothelial cells or immune cells via direct cell contact or soluble factors during atherogenesis. By means of some well examined, exemplary pathways (e.g. CD40/CD40L dyad), this article will discuss recent discoveries in immune-related function of platelets. We also focus on the relationship between platelets and the lipid metabolism highlighting potential consequences to atherosclerosis and dyslipidemia. SUMMARY A better understanding of the molecular mechanisms of platelet-related immune activity allows their utilization as powerful diagnostic tools or targets of therapeutic intervention. Those findings might help to develop new classes of drugs which may supplement or replace classical anticoagulants and help clinicians to tackle CVD more efficiently.
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Affiliation(s)
- Maiwand Ahmadsei
- aInstitute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-University Munich, Munich, Germany bDZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
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15
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Jenabian MA, Patel M, Kema I, Vyboh K, Kanagaratham C, Radzioch D, Thébault P, Lapointe R, Gilmore N, Ancuta P, Tremblay C, Routy JP. Soluble CD40-ligand (sCD40L, sCD154) plays an immunosuppressive role via regulatory T cell expansion in HIV infection. Clin Exp Immunol 2014; 178:102-11. [PMID: 24924152 DOI: 10.1111/cei.12396] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2014] [Indexed: 12/22/2022] Open
Abstract
CD40/CD40-ligand (CD40L) signalling is a key stimulatory pathway which triggers the tryptophan (Trp) catabolizing enzyme IDO in dendritic cells and is immunosuppressive in cancer. We reported IDO-induced Trp catabolism results in a T helper type 17 (Th17)/regulatory T cell (Treg ) imbalance, and favours microbial translocation in HIV chronic infection. Here we assessed the link between sCD40L, Tregs and IDO activity in HIV-infected patients with different clinical outcomes. Plasmatic sCD40L and inflammatory cytokines were assessed in anti-retroviral therapy (ART)-naive, ART-successfully treated (ST), elite controllers (EC) and healthy subjects (HS). Plasma levels of Trp and its metabolite Kynurenine (Kyn) were measured by isotope dilution tandem mass spectrometry and sCD14 was assessed by enzyme-linked immunosorbent assay (ELISA). IDO-mRNA expression was quantified by reverse transcription-polymerase chain reaction (RT-PCR). The in-vitro functional assay of sCD40L on Treg induction and T cell activation were assessed on peripheral blood mononuclear cells (PBMCs) from HS. sCD40L levels in ART-naive subjects were significantly higher compared to ST and HS, whereas EC showed only a minor increase. In ART-naive alone, sCD40L was correlated with T cell activation, IDO-mRNA expression and CD4 T cell depletion but not with viral load. sCD40L was correlated positively with IDO enzymatic activity (Kyn/Trp ratio), Treg frequency, plasma sCD14 and inflammatory soluble factors in all HIV-infected patients. In-vitro functional sCD40L stimulation induced Treg expansion and favoured Treg differentiation by reducing central memory and increasing terminal effector Treg proportion. sCD40L also increased T cell activation measured by co-expression of CD38/human leucocyte antigen D-related (HLA-DR). These results indicate that elevated sCD40L induces immunosuppression in HIV infection by mediating IDO-induced Trp catabolism and Treg expansion.
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Affiliation(s)
- M-A Jenabian
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC, Canada; Research Institute, McGill University Health Centre, Montreal, QC, Canada
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16
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The signaling role of CD40 ligand in platelet biology and in platelet component transfusion. Int J Mol Sci 2014; 15:22342-64. [PMID: 25479079 PMCID: PMC4284712 DOI: 10.3390/ijms151222342] [Citation(s) in RCA: 120] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Revised: 11/25/2014] [Accepted: 11/27/2014] [Indexed: 12/13/2022] Open
Abstract
The CD40 ligand (CD40L) is a transmembrane molecule of crucial interest in cell signaling in innate and adaptive immunity. It is expressed by a variety of cells, but mainly by activated T-lymphocytes and platelets. CD40L may be cleaved into a soluble form (sCD40L) that has a cytokine-like activity. Both forms bind to several receptors, including CD40. This interaction is necessary for the antigen specific immune response. Furthermore, CD40L and sCD40L are involved in inflammation and a panoply of immune related and vascular pathologies. Soluble CD40L is primarily produced by platelets after activation, degranulation and cleavage, which may present a problem for transfusion. Soluble CD40L is involved in adverse transfusion events including transfusion related acute lung injury (TRALI). Although platelet storage designed for transfusion occurs in sterile conditions, platelets are activated and release sCD40L without known agonists. Recently, proteomic studies identified signaling pathways activated in platelet concentrates. Soluble CD40L is a good candidate for platelet activation in an auto-amplification loop. In this review, we describe the immunomodulatory role of CD40L in physiological and pathological conditions. We will focus on the main signaling pathways activated by CD40L after binding to its different receptors.
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17
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Xu W, Xu Y, Wei Y, Tan Y, Zhao H, Zhao W, Wu J. Self-complementary adeno-associated virus 5-mediated gene transduction of a novel CD40L mutant confers direct antitumor effects in lung carcinoma. Mol Med Rep 2014; 11:482-8. [PMID: 25352298 DOI: 10.3892/mmr.2014.2765] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 09/24/2014] [Indexed: 11/06/2022] Open
Abstract
CD40 ligand (CD40L) gene therapy offers a potentially useful option for lung cancer due to its multiple antitumor activities. However, membrane-bound CD40L may be proteolytically cleaved to form soluble CD40L (sCD40L), which results in adverse effects. In a previous study by our group, it was demonstrated that recombinant self-complementary adeno-associated virus 5 (scAAV5) efficiently delivered genes to lung cancer cells. In the present study, an scAAV5 expressing a non-cleavable human CD40L mutant (scAAV5-CD40L-M) was generated and its direct antitumor effects in lung cancer were evaluated. Transduction with scAAV5-CD40L-M resulted in effective expression of CD40L on the cell surface with low levels of cleaved sCD40L, which significantly reduced the percentage of viable cells and promoted caspase-3-dependent apoptosis of CD40-positive lung carcinoma A549 cells, compared with scAAV5-CD40L transduction (P<0.05). Furthermore, treatment with scAAV5-CD40L-M exerted a significant antitumor effect against CD40-positive A549 xenografts by inducing apoptosis (P<0.05) with few side effects. Gene therapy using an scAAV5 vector expressing non-cleavable human CD40L mutant may therefore have direct antitumor effects against CD40-positive lung cancers. These tumoricidal effects of scAAV5-CD40L-M treatment make it a promising therapeutic technique for the treatment of lung cancer.
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Affiliation(s)
- Wei Xu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yuanyuan Xu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yunyan Wei
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yaoxi Tan
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Hongye Zhao
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Weihong Zhao
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jianqing Wu
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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18
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Yacoub D, Benslimane N, Al-Zoobi L, Hassan G, Nadiri A, Mourad W. CD154 is released from T-cells by a disintegrin and metalloproteinase domain-containing protein 10 (ADAM10) and ADAM17 in a CD40 protein-dependent manner. J Biol Chem 2013; 288:36083-93. [PMID: 24189063 DOI: 10.1074/jbc.m113.506220] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
CD154 (CD40 ligand) is a type II transmembrane protein that belongs to the tumor necrosis factor superfamily. The soluble form of CD154 (sCD154), which results from the shedding of membrane-bound CD154, plays a key role in the production of proinflammatory cytokines and has been linked to various autoimmune and vascular disorders. Therefore, elucidating the mechanisms by which CD154 is released from the cell surface following its interaction with its various receptors is of primordial importance. Using co-culture experiments, we show that CD154 is shed predominantly upon its engagement with CD40. Indeed, only CD40 (both membrane-bound and soluble) and not α5β1 or αMβ2 is involved in the cleavage and release of CD154 from Jurkat E6.1 T-cells. Interestingly, CD154 is cleaved independently of the formation of cell surface CD40 homodimers and independently of its association into lipid rafts. In contrast, we found that the protein kinase C (PKC) signaling family and the matrix metalloproteinases ADAM10 and ADAM17 are intimately involved in this process. In conclusion, our data indicate that CD154 is released from T-cells by ADAM10 and ADAM17 upon CD40 ligation. These findings add significant insights into the mechanisms by which CD154 is down-regulated and may lead to the generation of novel therapeutic targets for the treatment of CD154-associated disorders.
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Affiliation(s)
- Daniel Yacoub
- From the Laboratoire d'Immunologie Cellulaire et Moléculaire, Centre Hospitalier de l'Université de Montréal, Hôpital St-Luc, Montréal, Quebec H2X 1P1, Canada
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19
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Feng X, Scheinberg P, Samsel L, Rios O, Chen J, McCoy JP, Ghanima W, Bussel JB, Young NS. Decreased plasma cytokines are associated with low platelet counts in aplastic anemia and immune thrombocytopenic purpura. J Thromb Haemost 2012; 10:1616-23. [PMID: 22537155 PMCID: PMC3419775 DOI: 10.1111/j.1538-7836.2012.04757.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND We previously found plasma levels of CD40 ligand (CD40L), chemokine (C-X-C motif) ligand 5 (CXCL5), chemokine (C-C motif) ligand 5 (CCL5) and epidermal growth factor (EGF) to be low in aplastic anemia (AA) patients and to be correlated with platelet count. OBJECTIVES To study the association of CD40L, CXCL5, CCL5 and EGF with platelets. METHODS We measured cytokines in the plasma of immune thrombocytopenic purpura (ITP) and AA patients using the Luminex assay and confirmed the results in a mouse model and in vitro experiments. RESULTS Both ITP and AA showed similarly low levels of CD40L, CXCL5, CCL5 and EGF, compared with healthy controls. In ITP, levels of these proteins were significantly greater in patients with higher platelet counts than in those with lower platelet counts. In a murine thrombocytopenia model, levels of CD40L, CXCL5, CCL5 and EGF decreased with platelet count after immune-mediated destruction, while the cytokine levels increased when the platelet count recovered. In vitro, concentrations of these cytokines in the supernatants of platelet suspensions were proportional to platelet numbers, and levels in sera prepared by simple blood coagulation were equivalent to those in platelet-rich plasma-converted sera. mRNA expression for CXCL5, CCL5 and EGF was higher in platelets than in megakaryocytes, peripheral blood mononuclear cells, granulocytes and non-megakaryocytic bone marrow cells. CONCLUSIONS Plasma CD40L, CXCL5, CCL5 and EGF are mainly platelet-derived, suggesting a role of platelets in immune responses and inflammation. Measurement of CD40L, CXCL5, CCL5 and EGF in human blood allowed testable inferences concerning physiology and pathophysiology in quantitative platelet disorders.
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MESH Headings
- Adolescent
- Adult
- Aged
- Anemia, Aplastic/blood
- Anemia, Aplastic/drug therapy
- Anemia, Aplastic/genetics
- Anemia, Aplastic/immunology
- Animals
- Biomarkers/blood
- Blood Platelets/immunology
- Blood Platelets/metabolism
- CD40 Ligand/blood
- Case-Control Studies
- Chemokine CCL5/blood
- Chemokine CXCL5/blood
- Child
- Cytokines/blood
- Cytokines/genetics
- Disease Models, Animal
- Down-Regulation
- Epidermal Growth Factor/blood
- Female
- Humans
- Inflammation Mediators/blood
- Male
- Mice
- Mice, Inbred C57BL
- Middle Aged
- Platelet Count
- Purpura, Thrombocytopenic, Idiopathic/blood
- Purpura, Thrombocytopenic, Idiopathic/drug therapy
- Purpura, Thrombocytopenic, Idiopathic/genetics
- Purpura, Thrombocytopenic, Idiopathic/immunology
- RNA, Messenger/blood
- Young Adult
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Affiliation(s)
- X Feng
- Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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20
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El Fakhry Y, Alturaihi H, Yacoub D, Liu L, Guo W, Leveillé C, Jung D, Khzam LB, Merhi Y, Wilkins JA, Li H, Mourad W. Functional interaction of CD154 protein with α5β1 integrin is totally independent from its binding to αIIbβ3 integrin and CD40 molecules. J Biol Chem 2012; 287:18055-66. [PMID: 22461623 DOI: 10.1074/jbc.m111.333989] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
In addition to its classical CD40 receptor, CD154 also binds to αIIbβ3, α5β1, and αMβ2 integrins. Binding of CD154 to these receptors seems to play a key role in the pathogenic processes of chronic inflammation. This investigation was aimed at analyzing the functional interaction of CD154 with CD40, αIIbβ3, and α5β1 receptors. We found that the binding affinity of CD154 for αIIbβ3 is ∼4-fold higher than for α5β1. We also describe the generation of sCD154 mutants that lost their ability to bind CD40 or αIIbβ3 and show that CD154 residues involved in its binding to CD40 or αIIbβ3 are distinct from those implicated in its interaction to α5β1, suggesting that sCD154 may bind simultaneously to different receptors. Indeed, sCD154 can bind simultaneously to CD40 and α5β1 and biologically activate human monocytic U937 cells expressing both receptors. The simultaneous engagement of CD40 and α5β1 activates the mitogen-activated protein kinases, p38, and extracellular signal-related kinases 1/2 and synergizes in the release of inflammatory mediators MMP-2 and -9, suggesting a cross-talk between these receptors.
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Affiliation(s)
- Youssef El Fakhry
- Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Hôpital Saint Luc, Montréal, Quebec, Canada
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21
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Abstract
Receptor shedding is a mechanism for irreversible removal of transmembrane cell surface receptors by proteolysis of the receptor at a position near the extracellular surface of the plasma membrane. This process generates a soluble ectodomain fragment and a membrane-associated remnant fragment, and is distinct from loss of receptor surface expression by internalization or microparticle release or secretion of alternatively spliced soluble forms of receptors lacking a transmembrane domain. There has been an increased focus on new methods for analyzing shedding of platelet glycoprotein (GP)Ib-IX-V and GPVI because these receptors are platelet specific and are critical for the initiation of platelet adhesion and activation in thrombus formation at arterial shear rates. Platelet receptor shedding provides a mechanism for downregulating surface expression resulting in loss of ligand binding, decreasing the surface density affecting receptor cross linking and signalling and generation of proteolytic fragments that may be functional and/or provide platelet-specific biomarkers.
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Affiliation(s)
- Elizabeth E Gardiner
- Australian Centre for Blood Diseases, Monash University, Melbourne, VIC, Australia
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22
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Abstract
The CD40-CD40L system is a pathway which is associated with both prothrombotic and proinflammatory effects. CD40 and its ligand were first discovered on the surface of activated T cells, but its presence on B cells, antigen-presenting cells, mast cells, and finally platelets, is evident. The soluble form of CD40L (sCD40L) is derived mainly from activated platelets and contributes to the pathophysiology of atherosclerosis and atherothrombosis. Indeed, sCD40L has autocrine, paracrine, and endocrine activities, and it enhances platelet activation, aggregation, and platelet-leucocyte conjugation that may lead to atherothrombosis. It has even been suggested that sCD40L may play a pathogenic role in triggering acute coronary syndromes. Conversely, blockade of this pathway with anti-CD40L antibodies may prevent or delay the progression of atherosclerosis. Concentrations of sCD40L also predict risk of future cardiovascular disease in healthy women and clinical outcomes in patients with acute coronary syndromes. However, there are controversial and uncertain points over the application of this biomarker to clinical cardiology. In this review, we provide an overview of potential implications of CD40-CD40L signalling and sCD40L as a biomarker in patients with atherosclerotic vascular diseases.
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Affiliation(s)
- Burak Pamukcu
- University of Birmingham Centre for Cardiovascular Sciences , City Hospital, Birmingham, England UK
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23
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Yokoyama M, Ukai T, Ayon Haro ER, Kishimoto T, Yoshinaga Y, Hara Y. Membrane-bound CD40 ligand on T cells from mice injected with lipopolysaccharide accelerates lipopolysaccharide-induced osteoclastogenesis. J Periodontal Res 2011; 46:464-74. [PMID: 21521224 DOI: 10.1111/j.1600-0765.2011.01362.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- M Yokoyama
- Unit of Translational Medicine, Department of Periodontology, Course of Medical and Dental Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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24
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Bertrand F, Esquerré M, Petit AE, Rodrigues M, Duchez S, Delon J, Valitutti S. Activation of the ancestral polarity regulator protein kinase C zeta at the immunological synapse drives polarization of Th cell secretory machinery toward APCs. THE JOURNAL OF IMMUNOLOGY 2010; 185:2887-94. [PMID: 20679531 DOI: 10.4049/jimmunol.1000739] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A key feature in T lymphocyte biology is that Th cells rapidly polarize their secretory machinery toward cognate APCs. The molecular mechanisms of these dynamic Th cell responses and their impact on APC biology remain to be elucidated. In this study, we demonstrate that protein kinase Czeta (PKCzeta) is rapidly activated at the immunological synapse (IS) in human Th cells interacting with cognate dendritic cells (DCs) and that a functional PKCzeta is required for the polarization of Th cell secretory machinery toward DCs. We also show that PKCzeta-dependent Th cell polarization allows dedicated delivery of IFN-gamma and CD40L at the IS and is required for the activation of cognate DCs to IL-12 production. PKCzeta synaptic activation is a low-threshold phenomenon and, in Th cells interacting with multiple DCs, selectively occurs at the IS formed with the DCs offering the strongest stimulus leading to dedicated Th cell polarization. Our results identify the PKCzeta signaling pathway as a key component of the Th cell polarization machinery and provide a molecular basis for T cell-dedicated activation of cognate DCs.
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Affiliation(s)
- Florie Bertrand
- Institut National de la Santé et de la Recherche Médicale, Unité 563, Section Dynamique Moléculaire des Interactions Lymphocytaires, Centre de Physiopathologie de Toulouse Purpan, France
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25
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Reinboldt S, Wenzel F, Rauch BH, Hohlfeld T, Grandoch M, Fischer JW, Weber AA. Preliminary evidence for a matrix metalloproteinase-2 (MMP-2)-dependent shedding of soluble CD40 ligand (sCD40L) from activated platelets. Platelets 2010; 20:441-4. [PMID: 19811225 DOI: 10.1080/09537100903096684] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Platelets are the major source of soluble CD40 ligand (sCD40L) in the blood. It has been demonstrated that CD40L is cleaved from the surface of activated platelets to release sCD40L. However, the enzyme involved in sCD40L shedding has not been identified yet. Using a panel of pharmacological inhibitors of serine, cysteine, aspartate, or metalloproteinases, preliminary evidence is presented for the hypothesis that matrix metalloproteinase-2 (MMP-2) might be the protease, primarily responsible for CD40L cleavage from platelet surface.
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Affiliation(s)
- Stephan Reinboldt
- Institut für Pharmakologie, Universitätsklinikum Essen, Universität Duisburg-Essen, Germany
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26
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Notturno F, Del Boccio P, Luciani M, Caporale CM, Pieragostino D, Prencipe V, Sacchetta P, Uncini A. Monospecific high-affinity and complement activating anti-GM1 antibodies are determinants in experimental axonal neuropathy. J Neurol Sci 2010; 293:76-81. [PMID: 20382399 DOI: 10.1016/j.jns.2010.03.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2010] [Revised: 03/04/2010] [Accepted: 03/08/2010] [Indexed: 11/16/2022]
Abstract
It has been difficult to replicate consistently the experimental model of axonal Guillain-Barré syndrome (GBS). We immunized rabbits with two lipo-oligosaccharides (LOS1 and LOS2) derived from the same C. jejuni strain and purified in a slightly different way. LOS1 did not contain proteins whereas several proteins were present in LOS2. In spite of a robust anti-GM1 antibody response in all animals the neuropathy developed only in rabbits immunized with LOS1. To explain this discrepancy we investigated fine specificity, affinity and ability to activate the complement of anti-GM1 antibodies. Only rabbits immunized with LOS1 showed monospecific high-affinity antibodies which activated more effectively the complement. Although it is not well understood how monospecific high-affinity antibodies are induced these are crucial for the induction of experimental axonal neuropathy. Only a strict adherence to the protocols demonstrated to be successful may guarantee the reproducibility and increase the confidence in the animal model as a reliable tool for the study of the human axonal GBS.
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Affiliation(s)
- Francesca Notturno
- Department of Human Motor Sciences, Institute of Aging (CeSI), University G. D'Annunzio, Chieti-Pescara, Italy
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27
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Vardouli L, Lindqvist C, Vlahou K, Loskog ASI, Eliopoulos AG. Adenovirus delivery of human CD40 ligand gene confers direct therapeutic effects on carcinomas. Cancer Gene Ther 2009; 16:848-60. [PMID: 19461675 DOI: 10.1038/cgt.2009.31] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
CD40, a tumor necrosis factor receptor family member, is an emerging target for cancer therapy being best appreciated as an important regulator of the anti-tumor immune response. In this study, we report the development of a replication-defective recombinant adenovirus (RAd) vector expressing human CD40 ligand (RAd-hCD40L) and show that sustained engagement of the CD40 pathway in malignant cells results in direct anti-proliferative and pro-apoptotic effects. Thus, transduction of CD40-positive bladder, cervical and ovarian carcinoma cell lines with RAd-hCD40L potently inhibits their proliferation in vitro, whereas CD40-negative lines remain unresponsive. RAd-hCD40L is also found to be superior to recombinant CD40L in inducing carcinoma cell death and in amplifying the cytotoxic effects of the chemotherapeutic agents 5-fluorouracil, cis-platin and mitomycin C. Soluble CD40L is produced by RAd-hCD40L transduced carcinoma cells but unlike other soluble tumor necrosis factor family ligands, it does not interfere with the death-promoting activity of its membrane-bound form. In a mouse xenograft tumor model bearing a human bladder carcinoma, intratumoral delivery of RAd-hCD40L suppresses cancer growth. These findings highlight the potential of exploiting the CD40 pathway in carcinomas using CD40L gene transfer alone or in combination with other modalities for cancer therapy. Our results have also broader implications in understanding the multifaceted anti-tumor activities of the CD40 pathway in carcinomas, which thus offer an attractive option for future clinical application.
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Affiliation(s)
- L Vardouli
- Molecular and Cellular Biology Laboratory, Division of Basic Sciences, University of Crete Medical School, Heraklion, Crete 71003, Greece
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Promises and Obstacles for the Blockade of CD40–CD40L Interactions in Allotransplantation. Transplantation 2008; 86:10-5. [DOI: 10.1097/tp.0b013e31817c4b97] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Casati C, Camisaschi C, Novellino L, Mazzocchi A, Triebel F, Rivoltini L, Parmiani G, Castelli C. Human lymphocyte activation gene-3 molecules expressed by activated T cells deliver costimulation signal for dendritic cell activation. THE JOURNAL OF IMMUNOLOGY 2008; 180:3782-8. [PMID: 18322184 DOI: 10.4049/jimmunol.180.6.3782] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Data have been reported on the in vivo adjuvant role of soluble lymphocyte activation gene-3 (LAG-3) recombinant protein in mouse models and on its ability to support the in vitro generation of human, tumor-specific CTLs. In this study, we show that soluble human rLAG-3 protein (hLAG-3Ig) used in vitro as a single maturation agent induces phenotypic maturation of monocyte-derived dendritic cells and promoted the production of chemokines and TNF-alpha inflammatory cytokine. When given in association with optimal or suboptimal doses of CD40/CD40L, hLAG-3Ig functions as a strong costimulatory factor and induces full functional activation of monocyte-derived dendritic cells that includes the production of high level of IL-12p70. Moreover, evidence is here provided that this costimulatory function licensing dendritic cells to produce IL-12p70 is also a functional property of LAG-3 molecules when expressed in a physiological context by CD4(+) activated T cells. Altogether, these data show for the first time a role of LAG-3 in mediating dendritic cell activation when expressed on the T cell surface or released after specific Ag stimulation in the interspaces of immunological synapses.
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Affiliation(s)
- Chiara Casati
- Unit of Immunotherapy of Human Tumor, Fondazione Instituto di Ricerca e Cura a Carattere Scientifico, Istituto Nazionale dei Tumori, Milano, Italy
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Abstract
CD40 and its ligand, CD154, are major costimulatory molecules whose interactions are important in humoral and cellular immunity. We hypothesized that single nucleotide polymorphisms (SNPs) in TNFRSF5 and TNFSF5 encoding the CD40 and CD154 proteins, respectively, influence lymphoma risk, particularly a functional TNFRSF5 SNP (-1C>T, rs1883832) associated with reduced B-cell CD40 expression. TNFRSF5 and TNFSF5 SNPs were examined in a population-based case-control study of non-Hodgkin lymphoma (376 cases/801 controls with DNA), and compelling findings were followed up in 2 independent populations. Pooled analyses of all 3 case-control studies (total N = 1776 non-Hodgkin lymphoma cases, N = 2482 controls) revealed an increased risk of follicular lymphoma (FL) associated with the TNFRSF5 -1TT genotype (odds ratio = 1.6; 95% confidence interval, 1.1-2.4). In addition, among women, an inverse association was found between the variant A allele for a TNFSF5 6809G>A SNP and FL risk (OR = .61; 95% CI, 0.36-0.98). In genotype-phenotype studies, significantly reduced circulating soluble CD40 was observed in TNFRSF5 -1TT compared with -1CC carriers. Further, dendritic cells from those with -1TT versus -1CC genotypes exhibited lower CD40 cell surface expression. These results suggest that the TNFRSF5 -1C>T polymorphism may increase FL susceptibility through mechanisms that hinder cellular immune responses. Further studies are needed to explore these findings.
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Sun M, Fink PJ. A New Class of Reverse Signaling Costimulators Belongs to the TNF Family. THE JOURNAL OF IMMUNOLOGY 2007; 179:4307-12. [PMID: 17878324 DOI: 10.4049/jimmunol.179.7.4307] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Recent evidence shows that many molecules of the TNF family serve as counter-receptors, inducing costimulation through reverse signals in addition to delivering signals through their respective TNF receptors. In this review, we will discuss this new class of costimulators with a focus on the mechanism of costimulation transduced by reverse signaling through Fas ligand.
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Affiliation(s)
- Mingyi Sun
- Department of Immunology, University of Washington, Seattle, WA 98195, USA
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Whooley MA, Caska CM, Hendrickson BE, Rourke MA, Ho J, Ali S. Depression and inflammation in patients with coronary heart disease: findings from the Heart and Soul Study. Biol Psychiatry 2007; 62:314-20. [PMID: 17434456 PMCID: PMC2771569 DOI: 10.1016/j.biopsych.2006.10.016] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2006] [Revised: 10/05/2006] [Accepted: 10/10/2006] [Indexed: 10/23/2022]
Abstract
BACKGROUND Depression and inflammation independently predict adverse cardiovascular outcomes in patients with coronary heart disease (CHD). Depression has been associated with elevated levels of inflammation in otherwise healthy patients without known CHD. However, studies investigating the link between depression and inflammation in patients with established CHD have produced inconclusive results. METHODS We sought to examine the association of major depression with inflammation in 984 outpatients with established CHD from the Heart and Soul Study. We assessed current major depression with the Computerized Diagnostic Interview Schedule and collected venous blood samples for measurement of five inflammatory biomarkers (white blood cell count, CD40 ligand, C-reactive protein [CRP], fibrinogen, and interleukin-6 [IL-6]). We used multivariate analysis of variance to examine the association of current depression with inflammatory markers, adjusted for potential confounding variables. RESULTS Of the 984 participants, 217 (22%) had current major depression. Depression was not associated with increased levels of any inflammatory marker. Contrary to our hypothesis, depression was associated with lower levels of CRP (p = .09), fibrinogen (p = .006), and IL-6 (p = .007) in both unadjusted and adjusted models. CONCLUSIONS We found no evidence that current depression is associated with greater inflammation in outpatients with CHD. Inflammation is unlikely to explain the adverse cardiovascular outcomes associated with depression in patients with established CHD.
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Affiliation(s)
- Mary A Whooley
- Department of Veterans Affairs Medical Center, San Francisco, California; University of California, San Francisco, CA 94121, USA.
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