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Krupa P, Wein H, Zemmrich LS, Zygmunt M, Muzzio DO. Pregnancy-related factors induce immune tolerance through regulation of sCD83 release. Front Immunol 2024; 15:1452879. [PMID: 39328416 PMCID: PMC11424458 DOI: 10.3389/fimmu.2024.1452879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Accepted: 08/21/2024] [Indexed: 09/28/2024] Open
Abstract
A well-balanced maternal immune system is crucial to maintain fetal tolerance in case of infections during pregnancy. Immune adaptations include an increased secretion of soluble mediators to protect the semi-allogeneic fetus from excessive pro-inflammatory response. B lymphocytes acquire a higher capacity to express CD83 and secrete soluble CD83 (sCD83) upon exposure to bacteria-derived components such as LPS. CD83 possesses immune modulatory functions and shows a promising therapeutic potential against inflammatory conditions. The administration of sCD83 to pregnant mice reduces LPS-induced abortion rates. The increased CD83 expression by endometrial B cells as compared to peripheral blood B cells suggests its modulatory role in the fetal tolerance, especially in the context of infection. We postulate that in pregnancy, CD83 expression and release is controlled by pregnancy-related hormones. The intra- and extracellular expression of CD83 in leukocytes from peripheral blood or decidua basalis and parietalis at term were analyzed by flow cytometry. After treatment with pregnancy-related hormones and LPS, ELISA and qPCR were performed to study sCD83 release and CD83 gene expression, respectively. Cleavage prediction analysis was used to find potential proteases targeting CD83. Expression of selected proteases was analyzed by ELISA. Higher levels of CD83 were found in CD11c+ dendritic cells, CD3+ T cells and CD19+ B cells from decidua basalis and decidua parietalis after LPS-stimulation in vitro. An increase of intracellular expression of CD83 was also detected in CD19+ B cells from both compartments. Stimulated B cells displayed significantly higher percentages of CD83+ cells than dendritic cells and T cells from decidua basalis and peripheral blood. Treatment of B lymphocytes with pregnancy-related molecules (E2, P4, TGF-β1 and hCG) enhanced the LPS-mediated increase of CD83 expression, while dexamethasone led to a reduction. Similarly, the release of sCD83 was increased under TGF-β1 treatment but decreased upon dexamethasone stimulation. Finally, we found that the hormonal regulation of CD83 expression is likely a result from a balance between gene transcription from CD83 and the modulation of the metalloproteinase MMP-7. Thus, data supports and complements our previous murine studies on hormonal regulation of CD83 expression, reinforcing its immunomodulatory relevance in anti-bacterial responses during pregnancy.
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Affiliation(s)
| | | | | | | | - Damián Oscar Muzzio
- Research Laboratory, Department of Obstetrics and Gynecology, University Medicine
Greifswald, Greifswald, Germany
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2
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Zhang X, Sun L. Inhibiting HNF4A suppresses inflammation whilst promoting trophoblast invasion and migration: A promising target for the treatment of preeclampsia. Chem Biol Interact 2023; 386:110752. [PMID: 37806381 DOI: 10.1016/j.cbi.2023.110752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 09/27/2023] [Accepted: 10/06/2023] [Indexed: 10/10/2023]
Abstract
Preeclampsia (PE) is a complex disease of pregnancy, and an important cause of this disease is insufficient trophoblast invasion and migration. However, the underlying mechanism of PE remains largely unknown. Here, transcriptome sequencing analysis found the high expression of hepatocyte nuclear factor 4 alpha (HNF4A) in PE placentas. Meanwhile, we found that HNF4A expression was up-regulated in the placentas of PE patients. Thus, we assumed that HNF4A might be involved in PE progression. To validate our hypothesis, l-arginine methyl ester (l-NAME) or lipopolysaccharide (LPS)-treated rats were used to mimic the pathological status of PE in vivo. Consistently, HTR8/SVneo cells were treated with hypoxia/reoxygenation (H/R) or LPS to simulate PE progression in vitro. The results observed an increase in elevated urine protein levels, systolic blood pressure (SBP), diastolic blood pressure (DBP), and mean arterial pressure (MAP), which indicated that the PE-like rat model was successfully established. Meanwhile, the expression of pro-inflammatory cytokines interleukin (IL)-6 and IL-1β was increased in PE placentas. HTR8/SVneo cells were used to further explore the underlying mechanism of PE in vitro. H/R conditions up-regulated the acetylation level of HNF4A. Further analysis showed that HNF4A overexpression inhibited trophoblast invasion and migration, while HNF4A knockdown promoted the progression. Additionally, inhibiting HNF4A was found to reduce the levels of IL-6 and IL-1β secretion in HTR8/SVneo cells following H/R or LPS exposure. Conclusively, these findings suggest that inhibiting HNF4A suppresses inflammation whilst promoting trophoblast invasion and migration in PE, providing a promising target for the treatment of PE.
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Affiliation(s)
- Xuan Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China
| | - Lei Sun
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.
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Vinketova K, Koleva V, Puncheva E, Nashar S, Oreshkova T. A sustained decrease in serum CD83 in pregnant women. J Reprod Immunol 2022; 154:103762. [PMID: 36401917 DOI: 10.1016/j.jri.2022.103762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 10/17/2022] [Accepted: 11/08/2022] [Indexed: 11/10/2022]
Abstract
Maternal immunity regulates tolerance to the semi-allogeneic fetus during pregnancy via modulation of immune regulatory factors. The serum factor CD83 is known to undergo changes during gestation in mice. Here we characterize serum levels of CD83 in women for the first time, revealing a consistent decline as pregnancy progresses and recovery to non-pregnant levels in miscarriage. Serum CD83 levels correlated negatively with rising progesterone (Pearson coefficient r = -0.489, ****p < 0.0001) and estradiol (r = -0.419, ***p = 0.0003). This result suggests that the regulation of soluble CD83 levels possibly depend on pregnancy hormones and on other yet unknown factors.
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Affiliation(s)
- Kameliya Vinketova
- Department of Molecular Immunology, Institute of Biology and Immunology of Reproduction "Acad. K. Bratanov", Bulgarian Academy of Sciences, 73 Tsarigradsko Shose, 1113 Sofia, Bulgaria
| | - Vesselina Koleva
- Clinical Laboratory, Acibadem City Clinic Tokuda Hospital, 51b "Nikola Vaptsarov" Blvd, 1407 Sofia, Bulgaria
| | - Elena Puncheva
- Clinical Laboratory, Acibadem City Clinic Tokuda Hospital, 51b "Nikola Vaptsarov" Blvd, 1407 Sofia, Bulgaria
| | - Suzana Nashar
- Department of Gynecology, Pelvic surgery and Obstetrics, Acibadem City Clinic Tokuda Hospital, 51b "Nikola Vaptsarov" Blvd, 1407 Sofia, Bulgaria
| | - Tsvetelina Oreshkova
- Department of Molecular Immunology, Institute of Biology and Immunology of Reproduction "Acad. K. Bratanov", Bulgarian Academy of Sciences, 73 Tsarigradsko Shose, 1113 Sofia, Bulgaria.
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4
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Heusler M, Einenkel R, Ehrhardt J, Muzzio DO, Zygmunt M. Low Abundance Fusobacterium Nucleatum Supports Early Pregnancy Development - An In Vitro Study. Front Immunol 2021; 12:698045. [PMID: 34531854 PMCID: PMC8438310 DOI: 10.3389/fimmu.2021.698045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/13/2021] [Indexed: 01/12/2023] Open
Abstract
Pregnancy success depends greatly on a balanced immune homeostasis. The detection of bacterial components in the upper reproductive tract in non-pregnant and pregnant women raised questions on its possible beneficial role in reproductive health. The local conditions that allow the presence of bacteria to harmonize with the establishment of pregnancy are still unknown. Among the described bacterial species in endometrial and placental samples, Fusobacterium nucleatum was found. It has been observed that F. nucleatum can induce tumorigenesis in colon carcinoma, a process that shares several features with embryo implantation. We propose that low concentrations of F. nucleatum may improve trophoblast function without exerting destructive responses. Inactivated F. nucleatum and E. coli were incubated with the trophoblastic cell lines HTR8/SVneo, BeWo, and JEG-3. Viability, proliferation, migratory capacity, invasiveness and the secretion of chemokines, other cytokines and matrix metalloproteinases were assessed. The presence of F. nucleatum significantly induced HTR8/SVneo invasion, accompanied by the secretion of soluble mediators (CXCL1, IL-6 and IL-8) and metalloproteinases (MMP-2 and MMP-9). However, as concentrations of F. nucleatum increased, these did not improve invasiveness, hindered migration, reduced cell viability and induced alterations in the cell cycle. Part of the F. nucleatum effects on cytokine release were reverted with the addition of a TLR4 blocking antibody. Other effects correlated with the level of expression of E-cadherin on the different cell lines tested. Low amounts of F. nucleatum promote invasion of HTR8/SVneo cells and induce the secretion of important mediators for pregnancy establishment. Some effects were independent of LPS and correlated with the expression of E-cadherin on trophoblasts.
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Affiliation(s)
- Martha Heusler
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
| | - Rebekka Einenkel
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
| | - Jens Ehrhardt
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
| | - Damián Oscar Muzzio
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
| | - Marek Zygmunt
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
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Mo L, Luo X, Yang G, Liu J, Yang L, Liu Z, Wang S, Liu D, Liu Z, Yang P. Epithelial cell-derived CD83 restores immune tolerance in the airway mucosa by inducing regulatory T-cell differentiation. Immunology 2021; 163:310-322. [PMID: 33539546 PMCID: PMC8207377 DOI: 10.1111/imm.13317] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/06/2021] [Accepted: 01/08/2021] [Indexed: 12/11/2022] Open
Abstract
The mechanism of generation of regulatory T cells (Treg) remains incompletely understood. Recent studies show that CD83 has immune regulatory functions. This study aims to investigate the role of epithelial cell-derived CD83 in the restoration of immune tolerance in the airway mucosa by inducing the Treg differentiation. In this study, CD83 and ovalbumin (OVA)-carrying exosomes were generated from airway epithelial cells. An airway allergy mouse model was developed to test the role of CD83/OVA-carrying exosomes in the suppression of airway allergy by inducing Treg generation. We observed that mouse airway epithelial cells expressed CD83 that could be up-regulated by CD40 ligand. The CD83 deficiency in epithelial cells retarded the Treg generation in the airway mucosa. CD83 up-regulated transforming growth factor-β-inducible early gene 1 expression in CD4+ T cells to promote Foxp3 expression. Exposure of primed CD4+ T cells to CD83/OVA-carrying exosomes promoted antigen-specific Treg generation. Administration of CD83/OVA-carrying exosomes inhibited experimental airway allergic response. In summary, airway epithelial cells express CD83 that is required in the Treg differentiation in the airway mucosa. Administration of CD83/OVA-carrying exosomes can inhibit airway allergy that has the translation potential in the treatment of airway allergic disorders.
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Affiliation(s)
- Li‐Hua Mo
- Research Center of Allergy & ImmunologyShenzhen University School of MedicineShenzhenChina
| | - Xiang‐Qian Luo
- Department of Pediatric OtolaryngologyShenzhen HospitalSouthern Medical UniversityShenzhenChina
| | - Gui Yang
- Department of OtolaryngologyLonggang Central HospitalShenzhenChina
| | - Jiang‐Qi Liu
- Longgang ENT Hospital & Shenzhen ENT InstituteShenzhenChina
| | - Li‐Teng Yang
- Department of Respirology & AllergyThird Affiliated Hospital of Shenzhen UniversityShenzhenChina
| | - Zhi‐Qiang Liu
- Longgang ENT Hospital & Shenzhen ENT InstituteShenzhenChina
| | - Shuai Wang
- Longgang ENT Hospital & Shenzhen ENT InstituteShenzhenChina
| | - Da‐Bo Liu
- Department of Pediatric OtolaryngologyShenzhen HospitalSouthern Medical UniversityShenzhenChina
| | - Zhi‐Gang Liu
- Research Center of Allergy & ImmunologyShenzhen University School of MedicineShenzhenChina
| | - Ping‐Chang Yang
- Research Center of Allergy & ImmunologyShenzhen University School of MedicineShenzhenChina
- Guangdong Provincial Key Laboratory of Regional Immunity and DiseasesShenzhenChina
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6
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Huo S, Wu F, Zhang J, Wang X, Li W, Cui D, Zuo Y, Hu M, Zhong F. Porcine soluble CD83 alleviates LPS-induced abortion in mice by promoting Th2 cytokine production, Treg cell generation and trophoblast invasion. Theriogenology 2020; 157:149-161. [PMID: 32810792 DOI: 10.1016/j.theriogenology.2020.07.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/16/2020] [Accepted: 07/25/2020] [Indexed: 01/24/2023]
Abstract
CD83, either in its membrance-bound form (mCD83) or soluble form (sCD83), is an important immunomodulatory molecule in humans and mice. While mCD83 is immunostimulatory, sCD83 exhibits striking immunosuppressive activities, suggesting that sCD83 may be used to combat inflammatory diseases, such as rheumatoid arthritis, graft-versus-host disease and habitual abortion. Although many studies had shed lights on the role of CD83 in humans and mice, little is known about CD83 in other animals. Recently, we showed that porcine CD83 had similar biochemical characteristics and immunoregulatory functions as its human counterpart. However, whether porcine sCD83 (psCD83) is involved in maintaining the immunological tolerance at the maternal-fetal interface and thereby prevents embryo loss and abortion during pregnancy is unclear. In this study, we used LPS-induced animal model to analyze the effect of porcine sCD83 on the mouse abortion. Results showed that psCD83 could significantly alleviate LPS-induced abortion in mice, indicating that the psCD83 had the function of fetal protection. Mechanically, psCD83-mediated fetal protection was related to the promotion on Th2 cytokine production, Treg cell differentiation and trophoblast invasion. This study provides a molecular basis for the fetal protection of psCD83, as well as a potential target for the regulation of maternal-fetal interfacial immune tolerance.
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Affiliation(s)
- Shanshan Huo
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Hebei Veterinary Biotechnology Innovation Center, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, 071001, China.
| | - Fengyang Wu
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China.
| | - Jianlou Zhang
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Hebei Veterinary Biotechnology Innovation Center, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, 071001, China.
| | - Xing Wang
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China.
| | - Wenyan Li
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Department of Biology, College of Basic Medicine, Hebei University, 180 Wusi Dong Road, Baoding, Hebei, 071000, China.
| | - Dan Cui
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China.
| | - Yuzhu Zuo
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Hebei Veterinary Biotechnology Innovation Center, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, 071001, China.
| | - Man Hu
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Hebei Veterinary Biotechnology Innovation Center, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, 071001, China.
| | - Fei Zhong
- College of Animal Science and Technology and College of Veterinary Medicine, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, Hebei, 071000, China; Hebei Veterinary Biotechnology Innovation Center, Hebei Agricultural University, 289 Lingyusi Streat, Baoding, 071001, China.
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7
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Guzman-Genuino RM, Hayball JD, Diener KR. Regulatory B Cells: Dark Horse in Pregnancy Immunotherapy? J Mol Biol 2020; 433:166596. [PMID: 32693108 DOI: 10.1016/j.jmb.2020.07.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 12/20/2022]
Abstract
There are many unanswered questions surrounding the function of immune cells and how they interact with the reproductive system to support successful pregnancy or contribute to pregnancy pathologies. While the role of immune cells such as uterine natural killer and dendritic cells, and more recently regulatory T cells has been established, the role of another major immune cell population, the B cell, and particularly the regulatory B cells, is relatively poorly understood. This review outlines what is known about B-cell subsets in the context of pregnancy, what constitutes a regulatory B cell and what role they may play, particularly during early pregnancy. Lastly, we discuss why immunotherapies for the treatment of pregnancy disorders is not widely progressed clinically and speculate on the potential of functional regulatory B cells as the basis of novel immunotherapeutic approaches for the treatment of immune-based pregnancy pathologies.
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Affiliation(s)
- Ruth Marian Guzman-Genuino
- Experimental Therapeutics Laboratory, University of South Australia Cancer Research Institute, Clinical and Health Sciences, University of South Australia, Adelaide, SA, Australia
| | - John D Hayball
- Experimental Therapeutics Laboratory, University of South Australia Cancer Research Institute, Clinical and Health Sciences, University of South Australia, Adelaide, SA, Australia; Robinson Research Institute and Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Kerrilyn R Diener
- Experimental Therapeutics Laboratory, University of South Australia Cancer Research Institute, Clinical and Health Sciences, University of South Australia, Adelaide, SA, Australia; Robinson Research Institute and Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia.
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8
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Grosche L, Knippertz I, König C, Royzman D, Wild AB, Zinser E, Sticht H, Muller YA, Steinkasserer A, Lechmann M. The CD83 Molecule - An Important Immune Checkpoint. Front Immunol 2020; 11:721. [PMID: 32362900 PMCID: PMC7181454 DOI: 10.3389/fimmu.2020.00721] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/30/2020] [Indexed: 12/19/2022] Open
Abstract
The CD83 molecule has been identified to be expressed on numerous activated immune cells, including B and T lymphocytes, monocytes, dendritic cells, microglia, and neutrophils. Both isoforms of CD83, the membrane-bound as well as its soluble form are topic of intensive research investigations. Several studies revealed that CD83 is not a typical co-stimulatory molecule, but rather plays a critical role in controlling and resolving immune responses. Moreover, CD83 is an essential factor during the differentiation of T and B lymphocytes, and the development and maintenance of tolerance. The identification of its interaction partners as well as signaling pathways have been an enigma for the last decades. Here, we report the latest data on the expression, structure, and the signaling partners of CD83. In addition, we review the regulatory functions of CD83, including its striking modulatory potential to maintain the balance between tolerance versus inflammation during homeostasis or pathologies. These immunomodulatory properties of CD83 emphasize its exceptional therapeutic potential, which has been documented in specific preclinical disease models.
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Affiliation(s)
- Linda Grosche
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Ilka Knippertz
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Christina König
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Dmytro Royzman
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Andreas B. Wild
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Elisabeth Zinser
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Heinrich Sticht
- Division of Bioinformatics, Institute of Biochemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Yves A. Muller
- Division of Biotechnology, Department of Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Alexander Steinkasserer
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Matthias Lechmann
- Department of Immune Modulation, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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9
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Wild AB, Krzyzak L, Peckert K, Stich L, Kuhnt C, Butterhof A, Seitz C, Mattner J, Grüner N, Gänsbauer M, Purtak M, Soulat D, Winkler TH, Nitschke L, Zinser E, Steinkasserer A. CD83 orchestrates immunity toward self and non-self in dendritic cells. JCI Insight 2019; 4:126246. [PMID: 31527313 PMCID: PMC6824307 DOI: 10.1172/jci.insight.126246] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 09/04/2019] [Indexed: 01/22/2023] Open
Abstract
Dendritic cells (DCs) are crucial to balance protective immunity and autoimmune inflammatory processes. Expression of CD83 is a well-established marker for mature DCs, although its physiological role is still not completely understood. Using a DC-specific CD83-conditional KO (CD83ΔDC) mouse, we provide new insights into the function of CD83 within this cell type. Interestingly, CD83-deficient DCs produced drastically increased IL-2 levels and displayed higher expression of the costimulatory molecules CD25 and OX40L, which causes superior induction of antigen-specific T cell responses and compromises Treg suppressive functions. This also directly translates into accelerated immune responses in vivo. Upon Salmonella typhimurium and Listeria monocytogenes infection, CD83ΔDC mice cleared both pathogens more efficiently, and CD83-deficient DCs expressed increased IL-12 levels after bacterial encounter. Using the experimental autoimmune encephalomyelitis model, autoimmune inflammation was dramatically aggravated in CD83ΔDC mice while resolution of inflammation was strongly reduced. This phenotype was associated with increased cell influx into the CNS accompanied by elevated Th17 cell numbers. Concomitantly, CD83ΔDC mice had reduced Treg numbers in peripheral lymphoid organs. In summary, we show that CD83 ablation on DCs results in enhanced immune responses by dysregulating tolerance mechanisms and thereby impairing resolution of inflammation, which also demonstrates high clinical relevance.
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Affiliation(s)
| | | | | | | | | | | | | | - Jochen Mattner
- Institute of Microbiology — Clinical Microbiology, Immunology and Hygiene, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Niklas Grüner
- Institute of Microbiology — Clinical Microbiology, Immunology and Hygiene, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Maximilian Gänsbauer
- Institute of Microbiology — Clinical Microbiology, Immunology and Hygiene, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Martin Purtak
- Institute of Microbiology — Clinical Microbiology, Immunology and Hygiene, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Didier Soulat
- Institute of Microbiology — Clinical Microbiology, Immunology and Hygiene, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Thomas H. Winkler
- Division of Genetics, Department of Biology, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Lars Nitschke
- Division of Genetics, Department of Biology, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
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10
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Huo S, Zhang J, Liang S, Wu F, Zuo Y, Cui D, Zhang Y, Zhong Z, Zhong F. Membrane-bound and soluble porcine CD83 functions antithetically in T cell activation and dendritic cell differentiation in vitro. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 99:103398. [PMID: 31121186 DOI: 10.1016/j.dci.2019.103398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 06/09/2023]
Abstract
Emerging evidence suggests that CD83, a dendritic cells (DCs) maturation marker in humans and mice, may prossess immunomodulatory capacities. Although porcine CD83 shares ∼75% sequence homology with its human counterpart, whether it functions as an immunoregulatory molecule remains unknown. To investigate porcine CD83 function, we deleted it in porcine DCs by RNA intereference. Results show that membrane-bound CD83 (mCD83) promotes DC-mediated T cell proliferation and cytokine production, thus confirming its immunoregulatory capacity. Intriguingly, porcine soluble CD83 (sCD83) treatment instead led to inhibition of DC-mediated T cell activation. Moreover, porcine sCD83 also inhibited differentiation of prepheral blood mononuclear cells (PBMCs) into DCs. These results collectively indicate that in addition to being a DC maturation maker, both membrane bound and souble porcine CD83 serve as immunoregulatory molecules with opposite effects on DC-mediated T cell activation and DC differentiation.
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Affiliation(s)
- Shanshan Huo
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Jianlou Zhang
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Shuang Liang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Fengyang Wu
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Yuzhu Zuo
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Dan Cui
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Yonghong Zhang
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Zhenyu Zhong
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
| | - Fei Zhong
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China.
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Li Z, Ju X, Silveira PA, Abadir E, Hsu WH, Hart DNJ, Clark GJ. CD83: Activation Marker for Antigen Presenting Cells and Its Therapeutic Potential. Front Immunol 2019; 10:1312. [PMID: 31231400 PMCID: PMC6568190 DOI: 10.3389/fimmu.2019.01312] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022] Open
Abstract
CD83 is a member of the immunoglobulin (Ig) superfamily and is expressed in membrane bound or soluble forms. Membrane CD83 (mCD83) can be detected on a variety of activated immune cells, although it is most highly and stably expressed by mature dendritic cells (DC). mCD83 regulates maturation, activation and homeostasis. Soluble CD83 (sCD83), which is elevated in the serum of patients with autoimmune disease and some hematological malignancies is reported to have an immune suppressive function. While CD83 is emerging as a promising immune modulator with therapeutic potential, some important aspects such as its ligand/s, intracellular signaling pathways and modulators of its expression are unclear. In this review we discuss the recent biological findings and the potential clinical value of CD83 based therapeutics in various conditions including autoimmune disease, graft-vs.-host disease, transplantation and hematological malignancies.
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Affiliation(s)
- Ziduo Li
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Xinsheng Ju
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Pablo A. Silveira
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Edward Abadir
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Wei-Hsun Hsu
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Derek N. J. Hart
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Georgina J. Clark
- Dendritic Cell Research, ANZAC Research Institute, Sydney, NSW, Australia
- Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
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Huo S, Zhang J, Wu F, Zuo Y, Cui D, Li X, Zhong Z, Zhong F. Porcine CD83 is a glycosylated dimeric protein existing naturally in membrane-bound and soluble forms. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 90:60-69. [PMID: 30193829 DOI: 10.1016/j.dci.2018.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 09/03/2018] [Accepted: 09/03/2018] [Indexed: 06/08/2023]
Abstract
Human and mouse CD83 have been well characteized, however, the other mammalian CD83 genes have not been cloned and characterized. In this study, the porcine CD83 (pCD83) was cloned, expressed and characterized, and showed that the pCD83 gene has 81% and 74% homologies with humans and mice, respectively, which was identified to be glycosylated when expressed in eukaryotic cells, existing naturally in two forms: membrance-bound CD83 (mCD83) and soluble CD83 (sCD83), the latter was identified to be generated mainly from mCD83 by proteolytic shedding. The pCD83 was a dimmer mediated by intermolecular disulfide bond formed by the fifth cysteine in the exrtracellular domain. Functionally, the recombinant porcine sCD83 was preliminarily tested to have the ability to inhibit DC-mediated T cell activition. This study provided necessary fundation for further investigation on pCD83 functions.
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Affiliation(s)
- Shanshan Huo
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Jianlou Zhang
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Fengyang Wu
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China
| | - Yuzhu Zuo
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Dan Cui
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China
| | - Xiujin Li
- Department of Biotechnology, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, Hebei, 066004, China
| | - Zhenyu Zhong
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.
| | - Fei Zhong
- Laboratory of Molecular Virology and Immunology, College of Animal Science and Technology/College of Veterinary Medicine, Agricultural University of Hebei, Baoding, Hebei, 071000, China; Hebei Engineering and Technology Research Center of Veterinary Biotechnology, Baoding, Hebei, 071000, China.
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