1
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Neurath L, Sticherling M, Schett G, Fagni F. Targeting cytokines in psoriatic arthritis. Cytokine Growth Factor Rev 2024:S1359-6101(24)00042-X. [PMID: 39068140 DOI: 10.1016/j.cytogfr.2024.06.001] [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: 06/10/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/30/2024]
Abstract
Psoriatic arthritis (PsA) is part of the psoriatic disease spectrum and is characterized by a chronic inflammatory process that affects entheses, tendons and joints. Cytokines produced by immune and non-immune cells play a central role in the pathogenesis of PsA by orchestrating key aspects of the inflammatory response. Pro-inflammatory cytokines such as TNF, IL-23 and IL-17 have been shown to regulate the initiation and progression of PsA, ultimately leading to the destruction of the architecture of the local tissues such as soft tissue, cartilage and bone. The important role of cytokines in PsA has been underscored by the clinical success of antibodies that neutralize their function. In addition to biologic agents targeting individual pro-inflammatory cytokines, signaling inhibitors that block multiple cytokines simultaneously such as JAK inhibitors have been approved for PsA therapy. In this review, we will focus on our current understanding of the role of cytokines in the disease process of PsA and discuss potential new treatment options based on modulation of cytokine function.
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Affiliation(s)
- Laura Neurath
- Department of Internal Medicine 3, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie DZI, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Michael Sticherling
- Deutsches Zentrum Immuntherapie DZI, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Department of Dermatology, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie DZI, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Filippo Fagni
- Department of Internal Medicine 3, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie DZI, Friedrich-Alexander Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.
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2
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Cui Q, Li W, Wang D, Wang S, Liu A, Zhang G, Yang Y, Ge T, He G, Yu J. Immune signature and phagocytosis of circulating DC subsets in healthy adults during aging. Int Immunopharmacol 2024; 130:111715. [PMID: 38382263 DOI: 10.1016/j.intimp.2024.111715] [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: 11/11/2023] [Revised: 02/11/2024] [Accepted: 02/14/2024] [Indexed: 02/23/2024]
Abstract
Dendritic cells (DC) play a pivotal role in the onset and progression of immunosenescence-associated diseases, serving as a link between innate and adaptive immunity. Thus, there is a need to establish reference ranges for DC subset levels in healthy adults and investigate the potential impact of age on DC subset levels and phagocytic activity. Single-platform multi-color flow cytometry was performed to assess the proportions of circulating conventional type 1 DC (cDC1), conventional type 2 DC (cDC2), and plasmacytoid DC (pDC), as well as the percentages of CD80, CD86, CD83, PD-L1, and CD32 in cDC1, cDC2, and pDC. Reference ranges were established based on age and gender, and the percentage of circulating DC subsets in different age groups was compared. In addition, circulating DC were enriched using a magnetic bead sorting kit and co-cultured with polystyrene (PS) beads, categorized by age groups, followed by the evaluation of PS bead phagocytosis using light microscopy and flow cytometry. The results indicated that the percentages of circulating cDC1, cDC2, and CD32+cDC2 decreased with age (P < 0.05) and revealed age-related impairment in phagocytic percentage of cDC2 (P < 0.05). These findings provide a deeper understanding of the impact of age on the phenotype and phagocytic activity of DC subsets, shedding light on their role and function in immunosenescence.
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Affiliation(s)
- Qian Cui
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Wentao Li
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China; Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Dong Wang
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Shuangcui Wang
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Aqing Liu
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Guan Zhang
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yanjie Yang
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Ting Ge
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Guixin He
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; Graduate School of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Jianchun Yu
- Central Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China.
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3
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Robert M, Scherlinger M. Platelets are a major player and represent a therapeutic opportunity in systemic lupus erythematosus. Joint Bone Spine 2024; 91:105622. [PMID: 37495075 DOI: 10.1016/j.jbspin.2023.105622] [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: 04/18/2023] [Revised: 07/04/2023] [Accepted: 07/12/2023] [Indexed: 07/28/2023]
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by immune dysregulation and organ injury with a premature mortality due to cardiovascular diseases. Platelets, that are primarily known for their role in hemostasis, have been shown to play an active role in the pathogenesis and in the progression of immune-mediated inflammatory diseases. Here we summarize the evidence of their roles in SLE pathogenesis which supports the development of targeted treatments. Platelets and their precursors, the megakaryocytes, are intrinsically different in SLE patients compared with healthy controls. Different triggers related to innate and adaptive immunity activate platelets which release extracellular vesicles, soluble factors and interact with immune cells, thereby perpetuating inflammation. Platelets are involved in organ damage in SLE, especially in lupus nephritis and participate in the heightened cardiovascular mortality. They also play a clear role in antiphospholipid syndrome which can be associated with both thrombocytopenia and thrombosis. To tackle platelet activation and their interactions with immune cells now constitute promising therapeutic strategies in SLE.
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Affiliation(s)
- Marie Robert
- Service de médecine interne et immunologie clinique, centre hospitalier universitaire Édouard-Herriot, hospices civils de Lyon, Lyon, France
| | - Marc Scherlinger
- Service de rhumatologie, centre hospitalier universitaire de Strasbourg, 1, avenue Molière, 67098 Strasbourg, France; Laboratoire d'immuno-rhumatologie moléculaire, Institut national de la santé et de la recherche médicale (Inserm) UMR S 1109, Strasbourg, France; Centre national de référence des maladies auto-immunes et systémiques rares, Est/Sud-Ouest (RESO), France.
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4
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Scherlinger M, Richez C, Tsokos GC, Boilard E, Blanco P. The role of platelets in immune-mediated inflammatory diseases. Nat Rev Immunol 2023:10.1038/s41577-023-00834-4. [PMID: 36707719 PMCID: PMC9882748 DOI: 10.1038/s41577-023-00834-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2022] [Indexed: 01/28/2023]
Abstract
Immune-mediated inflammatory diseases (IMIDs) are characterized by excessive and uncontrolled inflammation and thrombosis, both of which are responsible for organ damage, morbidity and death. Platelets have long been known for their role in primary haemostasis, but they are now also considered to be components of the immune system and to have a central role in the pathogenesis of IMIDs. In patients with IMIDs, platelets are activated by disease-specific factors, and their activation often reflects disease activity. Here we summarize the evidence showing that activated platelets have an active role in the pathogenesis and the progression of IMIDs. Activated platelets produce soluble factors and directly interact with immune cells, thereby promoting an inflammatory phenotype. Furthermore, platelets participate in tissue injury and promote abnormal tissue healing, leading to fibrosis. Targeting platelet activation and targeting the interaction of platelets with the immune system are novel and promising therapeutic strategies in IMIDs.
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Affiliation(s)
- Marc Scherlinger
- Service de Rhumatologie, Centre de référence des maladies auto-immunes systémiques rares RESO, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- Laboratoire d'ImmunoRhumatologie Moléculaire UMR_S 1109, Institut National de la Santé et de la Recherche Médicale (INSERM), Strasbourg, France.
| | - Christophe Richez
- Service de Rhumatologie, Centre de référence des maladies auto-immunes systémiques rares RESO, Hôpital Pellegrin, Centre Hospitalier Universitaire, Bordeaux, France
- CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, Bordeaux, France
| | - George C Tsokos
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Eric Boilard
- Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Quebec City, Quebec, Canada
- Centre de Recherche ARThrite, Université Laval, Quebec City, Quebec, Canada
| | - Patrick Blanco
- CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, Bordeaux, France.
- Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Bordeaux, France.
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5
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Rosa Dos Santos AP, de Oliveira Vaz C, Hounkpe BW, Jacintho BC, Oliveira JD, Tripiquia Vechiatto Mesquita GL, Pereira Dos Santos I, Annichino-Bizzacchi J, Appenzeller S, de Moraes Mazetto Fonseca B, Orsi FA. Association between interferon-I producing plasmacytoid dendritic cells and thrombotic antiphospholipid syndrome. Lupus 2022; 31:1067-1077. [PMID: 35612283 DOI: 10.1177/09612033221101731] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Thrombotic risk in antiphospholipid syndrome (APS) is conferred by the association of antiphospholipid (aPL) antibodies (first hit) with additional pro-coagulant stimulus (second hit), such as inflammation. Among inflammatory responses, the production of large amounts of interferon (IFN)-I by plasmacytoid dendritic cells (pDCs) is at the basis of the pathophysiology of systemic autoimmune disorders, which raises the hypothesis that this mechanism could also be associated with vascular manifestations of APS. Purpose: Here, we determined the association of pDCs and IFN-I production with thrombotic APS. Research design: Patients with thrombotic primary (t-PAPS) and secondary APS (t-SAPS), asymptomatic aPL carriers and individuals without thrombosis (controls) were included. Data collection and analysis: Circulating pDCs and IFN-α intracellular expression (in the presence or not of oligodeoxynucleotides (CP) stimulus) were quantified by flow cytometry. The expression of five IFN-I inducing genes: ISG15, OASL, Ly6E, MX1, and OAS1 in mononuclear cells was determined by qPCR. Between-group differences were evaluated using chi-square or Kruskal-Wallis tests. Results: A total of 50 patients with t-PAPS, 50 patients with t-SAPS, 20 aPL carriers, and 50 individuals without thrombosis (controls) were included. Intracellular expression of IFN-α was increased after CPG stimulation in both t-SAPS (1.56%; IQR 1.07-2.02) and t-PAPS (0.96%; IQR 0.55-1.24), when compared to aPL carriers (0.71%; IQR 0.42-0.93) and controls (0.48%; IQR 0.24-0.78; p < .0001). ISG15, OASL, Ly6E, MX1, and OAS1 mRNA expressions were higher in t-SAPS (but not in t-PAPS) than in aPL carriers and controls. The expression of proteins and mRNA related to IFN-I response was similar between the triple aPL-positive profile and other aPL profiles. Conclusion: Our results indicate an association of IFN-I response and t-APS. Since IFN-I expression was not increased in aPL carriers or associated with a higher-risk aPL profile, this mechanism does not appear to be related to the presence of aPL alone. IFN-I response could possibly constitute a complementary mechanism for triggering clinical manifestations in APS.
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Affiliation(s)
- Ana Paula Rosa Dos Santos
- Department of Medical Sciences, School of Medical Sciences, 28132University of Campinas-Unicamp, Campinas, Brazil
| | - Camila de Oliveira Vaz
- Department of Clinical Medicine, School of Medical Sciences, University of Campinas-Unicamp, Campinas, Brazil
| | | | - Bruna Cardoso Jacintho
- Department of Clinical Medicine, School of Medical Sciences, University of Campinas-Unicamp, Campinas, Brazil
| | - José Diogo Oliveira
- Department of Clinical Medicine, School of Medical Sciences, University of Campinas-Unicamp, Campinas, Brazil
| | | | | | - Joyce Annichino-Bizzacchi
- School of Medical Sciences, Hematology and Hemotherapy Center, 28132University of Campinas-Unicamp, Campinas, Brazil
| | - Simone Appenzeller
- Department of Clinical Medicine, School of Medical Sciences, Rheumatology Unit, 28132University of Campinas-Unicamp, Campinas, Brazil
| | | | - Fernanda Andrade Orsi
- School of Medical Sciences, Hematology and Hemotherapy Center, Department of Clinical Pathology,28132University of Campinas-Unicamp, Campinas, Brazil
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6
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Nording H, Sauter M, Lin C, Steubing R, Geisler S, Sun Y, Niethammer J, Emschermann F, Wang Y, Zieger B, Nieswandt B, Kleinschnitz C, Simon DI, Langer HF. Activated Platelets Upregulate β 2 Integrin Mac-1 (CD11b/CD18) on Dendritic Cells, Which Mediates Heterotypic Cell-Cell Interaction. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:1729-1741. [PMID: 35277420 DOI: 10.4049/jimmunol.2100557] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 01/11/2022] [Indexed: 12/30/2022]
Abstract
Recent evidence suggests interaction of platelets with dendritic cells (DCs), while the molecular mechanisms mediating this heterotypic cell cross-talk are largely unknown. We evaluated the role of integrin Mac-1 (αMβ2, CD11b/CD18) on DCs as a counterreceptor for platelet glycoprotein (GP) Ibα. In a dynamic coincubation model, we observed interaction of human platelets with monocyte-derived DCs, but also that platelet activation induced a sharp increase in heterotypic cell binding. Inhibition of CD11b or GPIbα led to significant reduction of DC adhesion to platelets in vitro independent of GPIIbIIIa, which we confirmed using platelets from Glanzmann thrombasthenia patients and transgenic mouse lines on C57BL/6 background (GPIbα-/-, IL4R-GPIbα-tg, and muMac1 mice). In vivo, inhibition or genetic deletion of CD11b and GPIbα induced a significant reduction of platelet-mediated DC adhesion to the injured arterial wall. Interestingly, only intravascular antiCD11b inhibited DC recruitment, suggesting a dynamic DC-platelet interaction. Indeed, we could show that activated platelets induced CD11b upregulation on Mg2+-preactivated DCs, which was related to protein kinase B (Akt) and dependent on P-selectin and P-selectin glycoprotein ligand 1. Importantly, specific pharmacological targeting of the GPIbα-Mac-1 interaction site blocked DC-platelet interaction in vitro and in vivo. These results demonstrate that cross-talk of platelets with DCs is mediated by GPIbα and Mac-1, which is upregulated on DCs by activated platelets in a P-selectin glycoprotein ligand 1-dependent manner.
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Affiliation(s)
- Henry Nording
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany.,German Research Centre for Cardiovascular Research, Partner Site Hamburg/Lübeck/Kiel, Lübeck, Germany.,University Hospital, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany
| | - Manuela Sauter
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany.,University Hospital, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany
| | - Chaolan Lin
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany
| | - Rebecca Steubing
- Department of Neurology and Center for Translational and Behavioral Neurosciences, University Hospital Essen, Essen, Germany
| | - Sven Geisler
- Cell Analysis Core Facility, University of Lübeck, Lübeck, Germany
| | - Ying Sun
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany
| | - Joel Niethammer
- Department of Pediatric Surgery and Pediatric Urology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Fréderic Emschermann
- Department of Cardiovascular Medicine, University Hospital, Eberhard Karls University, Tübingen, Germany
| | - Yunmei Wang
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine and Harrington Heart & Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Barbara Zieger
- Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Faculty of Medicine, Medical Center-University of Freiburg, Freiburg, Germany
| | - Bernhard Nieswandt
- Institute of Experimental Biomedicine, University Hospital and Rudolf Virchow Center, University of Würzburg, Würzburg, Germany; and
| | - Christoph Kleinschnitz
- Department of Neurology and Center for Translational and Behavioral Neurosciences, University Hospital Essen, Essen, Germany
| | - Daniel I Simon
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine and Harrington Heart & Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, OH.,University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Harald F Langer
- Cardioimmunology Group, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany; .,German Research Centre for Cardiovascular Research, Partner Site Hamburg/Lübeck/Kiel, Lübeck, Germany.,University Hospital, Medical Clinic II, University Heart Center Lübeck, Lübeck, Germany
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7
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Dendritic Cells and Antiphospholipid Syndrome: An Updated Systematic Review. Life (Basel) 2021; 11:life11080801. [PMID: 34440545 PMCID: PMC8400181 DOI: 10.3390/life11080801] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/23/2022] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by autoreactive B and T cells against β2-glycoprotein I (B2GPI), with vascular thrombosis or obstetrical complications. Dendritic cells (DCs) are crucial in the generation of autoimmunity. Here, we conducted a comprehensive systematic review on the relationship between DC and APS. We performed a literature search of PubMed as of 26 March 2021. A total of 33 articles were extracted. DCs are pivotal in inducing inflammatory responses and orchestrating adaptive immunity. DCs contribute to the local inflammation regarding vascular thrombosis or obstetrical complications. Both B2GPI and antiphospholipid antibodies (aPL) can promote antigen presentation by DCs and the generation or maintenance of autoimmunity. In addition, plasmacytoid DC activation is enhanced by aPL, thereby augmenting the inflammatory response. In line with these findings, DC modulation appears promising as a future treatment for APS. In conclusion, our review indicated the crucial role of DCs in the pathogenesis of APS. Deeper understanding of the complex relationship would help in developing new treatment strategies.
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8
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Saris A, Steuten J, Schrijver DP, van Schijndel G, Zwaginga JJ, van Ham SM, ten Brinke A. Inhibition of Dendritic Cell Activation and Modulation of T Cell Polarization by the Platelet Secretome. Front Immunol 2021; 12:631285. [PMID: 33737933 PMCID: PMC7961920 DOI: 10.3389/fimmu.2021.631285] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/20/2021] [Indexed: 12/17/2022] Open
Abstract
Platelet transfusions are a frequently administered therapy for especially hemato-oncological patients with thrombocytopenia. Next to their primary function in hemostasis, currently there is increased attention for the capacity of platelets to affect the function of various cells of the immune system. Here, we investigate the capacity of platelets to immuno-modulate monocyte-derived dendritic cells (moDC) as well as primary dendritic cells and effects on subsequent T cell responses. Platelets significantly inhibited pro-inflammatory (IL-12, IL-6, TNFα) and increased anti-inflammatory (IL-10) cytokine production of moDCs primed with toll-like receptor (TLR)-dependent and TLR-independent stimuli. Transwell assays and ultracentrifugation revealed that a soluble factor secreted by platelets, but not microvesicles, inhibited DC activation. Interestingly, platelet-derived soluble mediators also inhibited cytokine production by human ex vivo stimulated myeloid CD1c+ conventional DC2. Moreover, platelets and platelet-derived soluble mediators inhibited T cell priming and T helper differentiation toward an IFNγ+ Th1 phenotype by moDCs. Overall, these results show that platelets are able to inhibit the pro-inflammatory properties of DCs, and may even induce an anti-inflammatory DC phenotype, with decreased T cell priming capacity by the DC. The results of this study provide more insight in the potential role of platelets in immune modulation, especially in the context of platelet transfusions.
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Affiliation(s)
- Anno Saris
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
- Department of Infectious Disease, Leiden University Medical Center, Leiden, Netherlands
| | - Juulke Steuten
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - David P. Schrijver
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Gijs van Schijndel
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Jaap Jan Zwaginga
- Center for Clinical Transfusion Research, Sanquin Research, Leiden, Netherlands
- Department of Hematology, Leiden University Medical Center, Leiden, Netherlands
| | - S. Marieke van Ham
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, Netherlands
| | - Anja ten Brinke
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
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9
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Abstract
Platelets play an essential role in maintaining vascular integrity after injury. In addition, platelets contribute to the immune response to pathogens. For instance, they express receptors that mediate binding of viruses, and toll-like receptors that activate the cell in response to pathogen-associated molecular patterns. Platelets can be beneficial and/or detrimental during viral infections. They reduce blood-borne viruses by engulfing the free virus and presenting the virus to neutrophils. However, platelets can also enhance inflammation and tissue injury during viral infections. Here, we discuss the roles of platelets in viral infection.
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Affiliation(s)
- Silvio Antoniak
- UNC Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Nigel Mackman
- UNC Blood Research Center, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Division of Hematology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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10
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Scherlinger M, Sisirak V, Richez C, Lazaro E, Duffau P, Blanco P. New Insights on Platelets and Platelet-Derived Microparticles in Systemic Lupus Erythematosus. Curr Rheumatol Rep 2018; 19:48. [PMID: 28718063 DOI: 10.1007/s11926-017-0678-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW Current knowledge on the role of platelets and platelet-derived microparticles (PMPs) on the immune system has been fast-growing. Systemic lupus erythematosus (SLE) is a systemic auto-immune disorder characterized by a loss of tolerance toward nuclear auto-antigens. Although recent studies allowed a better understanding of SLE pathogenesis, there is an urgent need for the development of new treatments and the identification of new biomarkers to assess the disease activity. We describe here the state-of-the-art knowledge linking platelets and PMPs to SLE. RECENT FINDINGS Platelet system activation is a key event in the pathogenesis of SLE. Circulating immune complexes, anti-phospholipid antibodies, and infectious agents such as virus are the main activators of platelets in SLE. Platelet activation can be monitored through different ways such as P-selectin expression, mean platelet volume, or circulating PMP levels, suggesting their potential use as biomarkers. Upon activation, platelets promote type I interferon production, NETosis, dendritic cell activation, and T and B lymphocyte activation, all essential events contributing to the development of SLE. Of interest, platelets also play a fundamental role in SLE organ disease such as the development of cardiovascular, thrombotic, and renal diseases. Finally, we review current knowledge on drugs targeting platelet activation and their potential impact on SLE pathogenesis. Platelets play a major role in SLE pathogenesis and organ disease and represent a great potential for novel biomarkers and drug development.
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Affiliation(s)
- Marc Scherlinger
- Service de Rhumatologie, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, place Amélie Raba Léon, 33076, Bordeaux, France.,Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France
| | - Vanja Sisirak
- Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France
| | - Christophe Richez
- Service de Rhumatologie, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, place Amélie Raba Léon, 33076, Bordeaux, France.,Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France
| | - Estibaliz Lazaro
- Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, place Amélie Raba Léon, 33076, Bordeaux, France
| | - Pierre Duffau
- Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France.,Service de médecine interne, FHU ACRONIM, Hôpital Saint André, Centre Hospitalier Universitaire, 1 rue Jean Burguet, 33076, Bordeaux, France
| | - Patrick Blanco
- Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France. .,CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076, Bordeaux, France. .,Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, place Amélie Raba Léon, 33076, Bordeaux, France.
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11
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Scherlinger M, Guillotin V, Truchetet ME, Contin-Bordes C, Sisirak V, Duffau P, Lazaro E, Richez C, Blanco P. Systemic lupus erythematosus and systemic sclerosis: All roads lead to platelets. Autoimmun Rev 2018; 17:625-635. [PMID: 29635077 DOI: 10.1016/j.autrev.2018.01.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Accepted: 01/18/2018] [Indexed: 01/13/2023]
Abstract
Systemic lupus erythematosus (SLE) and systemic sclerosis (SSc) are two phenotypically distincts inflammatory systemic diseases. However, SLE and SSc share pathogenic features such as interferon signature, loss of tolerance against self-nuclear antigens and increased tissue damage such as fibrosis. Recently, platelets have emerged as a major actor in immunity including auto-immune diseases. Both SLE and SSc are characterized by strong platelet system activation, which is likely to be both the witness and culprit in their pathogenesis. Platelet activation pathways are multiple and sometimes redundant. They include immune complexes, Toll-like receptors activation, antiphospholipid antibodies and ischemia-reperfusion associated with Raynaud phenomenon. Once activated, platelet promote immune dysregulation by priming interferon production by immune cells, providing CD40L supporting B lymphocyte functions and providing a source of autoantigens. Platelets are actively implicated in SLE and SSc end-organ damage such as cardiovascular and renal disease and in the promotion of tissue fibrosis. Finally, after understanding the main pathogenic implications of platelet activation in both diseases, we discuss potential therapeutics targeting platelets.
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Affiliation(s)
- Marc Scherlinger
- Service de Rhumatologie, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Vivien Guillotin
- Service de médecine interne, FHU ACRONIM, Hôpital Saint André, Centre Hospitalier Universitaire, 1 rue Jean Burguet, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Marie-Elise Truchetet
- Service de Rhumatologie, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Cécile Contin-Bordes
- Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Vanja Sisirak
- Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Pierre Duffau
- Service de médecine interne, FHU ACRONIM, Hôpital Saint André, Centre Hospitalier Universitaire, 1 rue Jean Burguet, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Estibaliz Lazaro
- Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Christophe Richez
- Service de Rhumatologie, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France
| | - Patrick Blanco
- Laboratoire d'Immunologie et Immunogénétique, FHU ACRONIM, Hôpital Pellegrin, Centre Hospitalier Universitaire, Place Amélie Raba Léon, 33076 Bordeaux, France; Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; CNRS-UMR 5164, ImmunoConcept, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France.
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12
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Middleton EA, Weyrich AS, Zimmerman GA. Platelets in Pulmonary Immune Responses and Inflammatory Lung Diseases. Physiol Rev 2016; 96:1211-59. [PMID: 27489307 PMCID: PMC6345245 DOI: 10.1152/physrev.00038.2015] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Platelets are essential for physiological hemostasis and are central in pathological thrombosis. These are their traditional and best known activities in health and disease. In addition, however, platelets have specializations that broaden their functional repertoire considerably. These functional capabilities, some of which are recently discovered, include the ability to sense and respond to infectious and immune signals and to act as inflammatory effector cells. Human platelets and platelets from mice and other experimental animals can link the innate and adaptive limbs of the immune system and act across the immune continuum, often also linking immune and hemostatic functions. Traditional and newly recognized facets of the biology of platelets are relevant to defensive, physiological immune responses of the lungs and to inflammatory lung diseases. The emerging view of platelets as blood cells that are much more diverse and versatile than previously thought further predicts that additional features of the biology of platelets and of megakaryocytes, the precursors of platelets, will be discovered and that some of these will also influence pulmonary immune defenses and inflammatory injury.
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Affiliation(s)
- Elizabeth A Middleton
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, and the Program in Molecular Medicine, University of Utah School of Medicine, Salt Lake City, Utah
| | - Andrew S Weyrich
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, and the Program in Molecular Medicine, University of Utah School of Medicine, Salt Lake City, Utah
| | - Guy A Zimmerman
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, and the Program in Molecular Medicine, University of Utah School of Medicine, Salt Lake City, Utah
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13
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Kral JB, Schrottmaier WC, Salzmann M, Assinger A. Platelet Interaction with Innate Immune Cells. Transfus Med Hemother 2016; 43:78-88. [PMID: 27226790 DOI: 10.1159/000444807] [Citation(s) in RCA: 166] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 02/07/2016] [Indexed: 12/11/2022] Open
Abstract
Beyond their traditional role in haemostasis and thrombosis, platelets are increasingly recognised as immune modulatory cells. Activated platelets and platelet-derived microparticles can bind to leukocytes, which stimulates mutual activation and results in rapid, local release of platelet-derived cytokines. Thereby platelets modulate leukocyte effector functions and contribute to inflammatory and immune responses to injury or infection. Platelets enhance leukocyte extravasation, differentiation and cytokine release. Platelet-neutrophil interactions boost oxidative burst, neutrophil extracellular trap formation and phagocytosis and play an important role in host defence. Platelet interactions with monocytes propagate their differentiation into macrophages, modulate cytokine release and attenuate macrophage functions. Depending on the underlying pathology, platelets can enhance or diminish leukocyte cytokine production, indicating that platelet-leukocyte interactions represent a fine balanced system to restrict excessive inflammation during infection. In atherosclerosis, platelet interaction with neutrophils, monocytes and dendritic cells accelerates key steps of atherogenesis by promoting leukocyte extravasation and foam cell formation. Platelet-leukocyte interactions at sites of atherosclerotic lesions destabilise atherosclerotic plaques and promote plaque rupture. Leukocytes in turn also modulate platelet function and production, which either results in enhanced platelet destruction or increased platelet production. This review aims to summarise the key effects of platelet-leukocyte interactions in inflammation, infection and atherosclerosis.
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Affiliation(s)
- Julia Barbara Kral
- Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | | | - Manuel Salzmann
- Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Alice Assinger
- Centre of Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
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14
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Schrottmaier WC, Kral JB, Badrnya S, Assinger A. Aspirin and P2Y12 Inhibitors in platelet-mediated activation of neutrophils and monocytes. Thromb Haemost 2015; 114:478-89. [PMID: 25904241 DOI: 10.1160/th14-11-0943] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 02/28/2015] [Indexed: 01/19/2023]
Abstract
Platelets are key players in haemostasis and represent a pivotal link between inflammation, immunity and atherogenesis. Depending on the (patho)physiological environment platelets modulate various leukocyte functions via release of inflammatory mediators and direct cell-cell interactions. Elevated levels of circulating platelet-leukocyte aggregates are found in patients suffering from several thrombotic or inflammatory conditions. Platelet-monocyte and platelet-neutrophil interaction can trigger pro- and anti-inflammatory responses and modulate effector functions of all leukocyte subpopulations. These platelet-mediated immune responses have implications for the progression of cardiovascular diseases and also play a crucial role during infections, cancer, transplantations and other inflammatory diseases of several organs. Antiplatelet therapy including the COX inhibitor aspirin and/or ADP receptor P2Y12 inhibitors such as clopidogrel, prasugrel and ticagrelor are the therapy of choice for various cardiovascular complications. Both aspirin and P2Y12 inhibitors attenuate platelet-leukocyte interactions, thereby also modulating immune responses. This may have beneficial effects in some pathological conditions, while it might be detrimental in others. This review aims to summarise the current knowledge on platelet-leukocyte interactions and the impact of aspirin and P2Y12 inhibition on platelet-mediated immune responses and to give an overview on the effects of antiplatelet therapy on platelet-leukocyte interplay in various diseases.
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Affiliation(s)
| | | | | | - Alice Assinger
- Dr. Alice Assinger, Centre for Physiology and Pharmacology, Medical University of Vienna, Schwarzspanierstrasse 17, A-1090 Vienna, Austria, Tel.: +43 1 40160 31405, E-mail:
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15
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Gremmel T, Koppensteiner R, Kaider A, Eichelberger B, Mannhalter C, Panzer S. Impact of variables of the P-selectin - P-selectin glycoprotein ligand-1 axis on leukocyte-platelet interactions in cardiovascular disease. Thromb Haemost 2014; 113:806-12. [PMID: 25428141 DOI: 10.1160/th14-08-0690] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 10/27/2014] [Indexed: 11/05/2022]
Abstract
The formation of leukocyte-platelet aggregates (LPA), through the P-selectin - P-selectin glycoprotein ligand (PSGL)-1 axis, plays a pivotal role in atherothrombosis. In order to investigate the influence of platelet (pP-selectin) and soluble P-selectin (sP-selectin), and of variations in the genes encoding for P-selectin (SELP) and PSGL-1 (SELPLG) on LPA formation, we assessed monocyte (MPA)- and neutrophil-platelet aggregates (NPA) as well as pP-selectin by flow cytometry in 263 patients undergoing angioplasty and stenting. sP-selectin was determined by ELISA, the SELP Pro715 allele and the SELPLG Ile62 allele were determined by allele specific PCR. The Pro715 allele was significantly associated with lower levels of in vivo pP-selectin and sP-selectin, while agonists´ inducible pP-selectin was not influenced by the Pro715 allele. PP-selectin was significantly associated with MPA and NPA formation. The in vivo formation of MPA and NPA depended to 19 % and 7.4 %, respectively, on in vivo pP-selectin, irrespective of the Pro715 allele and the Ile62 allele carrier status. TRAP-6 inducible MPA and NPA depended to 34 % and 27 %, respectively, on TRAP-6 inducible pP-selectin, but were independent of the Pro715 allele carrier status. Carriers of the Ile62 allele showed a stronger correlation between TRAP-6 inducible pP-selectin and TRAP-6 inducible MPA/NPA than non-carriers. Furthermore, TRAP-6 inducible NPA were higher in Ile62 allele carriers, which suggests higher thrombin sensitivity. In conclusion, our findings point to the significant role of pP-selectin for MPA and NPA formation, while other variables like sP-selectin, the SELP Pro715 allele and the SELPLG Ile62 allele have less influence.
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Affiliation(s)
- Thomas Gremmel
- Thomas Gremmel, MD, Department of Internal Medicine II, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria, Tel.: +431 40400 4671, Fax: +431 40400 4665, E-mail:
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16
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Herter JM, Rossaint J, Zarbock A. Platelets in inflammation and immunity. J Thromb Haemost 2014; 12:1764-75. [PMID: 25224706 DOI: 10.1111/jth.12730] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 09/01/2014] [Indexed: 02/06/2023]
Abstract
The paradigm of platelets as mere mediators of hemostasis has long since been replaced by a dual role: hemostasis and inflammation. Now recognized as key players in innate and adaptive immune responses, platelets have the capacity to interact with almost all known immune cells. These platelet-immune cell interactions represent a hallmark of immunity, as they can potently enhance immune cell functions and, in some cases, even constitute a prerequisite for host defense mechanisms such as NETosis. In addition, recent studies have revealed a new role for platelets in immunity: They are ubiquitous sentinels and rapid first-line immune responders, as platelet-pathogen interactions within the vasculature appear to precede all other host defense mechanisms. Here, we discuss recent advances in our understanding of platelets as inflammatory cells, and provide an exemplary review of their role in acute inflammation.
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Affiliation(s)
- J M Herter
- Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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17
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Gachet C. Les mécanismes moléculaires de l’activation plaquettaire. BULLETIN DE L ACADEMIE NATIONALE DE MEDECINE 2013. [DOI: 10.1016/s0001-4079(19)31591-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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