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Kawano S, Noda C, Itoh S, Urabe A, Fujii C, Ogawa I, Suzuki R, Hida S. Staphylococcal superantigen-like protein 3 triggers murine mast cell adhesion by binding to CD43 and augments mast cell activation. Genes Cells 2024; 29:397-416. [PMID: 38454012 DOI: 10.1111/gtc.13111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/09/2024]
Abstract
Staphylococcus aureus is a noteworthy pathogen in allergic diseases, as four staphylococcal exotoxins activate mast cells, a significant contributor to inflammation, in an IgE-independent manner. Although the adhesion of mast cells is an essential process for their immune responses, only a small number of exotoxins have been reported to affect the process. Here, we demonstrated that staphylococcal superantigen-like (SSL) 3, previously identified as a toll-like receptor 2 agonist, induced the adhesion of murine bone marrow-derived mast cells to culture substratum. SSL3-induced adhesion was mediated by fibronectin in an Arg-Gly-Asp (RGD) sequence-dependent manner, suggesting the integrins were involved in the process. Additionally, SSL3 was found to bind to an anti-adhesive surface protein CD43. SSL3 induced the adhesion of HEK293 cells expressing exogenous CD43, suggesting that CD43 is the target molecule for adhesion induced by SSL3. Evaluation of SSL3-derived mutants showed that the C-terminal region (253-326), specifically T285 and H307, are necessary to induce adhesion. SSL3 augmented the IL-13 production of mast cells in response to immunocomplex and SSL12. These findings reveal a novel function of SSL3, triggering cell adhesion and enhancing mast cell activation. This study would clarify the correlation between S. aureus and allergic diseases such as atopic dermatitis.
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Affiliation(s)
- Sae Kawano
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
| | - Chisaki Noda
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
| | - Saotomo Itoh
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
| | - Ayaka Urabe
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
| | - Chifumi Fujii
- Department of Biotechnology, Institute for Biomedical Sciences, Shinshu University, Matsumoto, Nagano Prefecture, Japan
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Nagano Prefecture, Japan
- Center for Medical Education and Clinical Training, Shinshu University School of Medicine, Matsumoto, Nagano Prefecture, Japan
| | - Isamu Ogawa
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
| | - Ryo Suzuki
- Laboratory of Hygienic Chemistry, Faculty of Pharmaceutical Science, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Ishikawa Prefecture, Japan
| | - Shigeaki Hida
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi Prefecture, Japan
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Gremmel T, Frelinger AL, Michelson AD. Platelet Physiology. Semin Thromb Hemost 2024. [PMID: 38653463 DOI: 10.1055/s-0044-1786387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Platelets are the smallest blood cells, numbering 150 to 350 × 109/L in healthy individuals. The ability of activated platelets to adhere to an injured vessel wall and form aggregates was first described in the 19th century. Besides their long-established roles in thrombosis and hemostasis, platelets are increasingly recognized as pivotal players in numerous other pathophysiological processes including inflammation and atherogenesis, antimicrobial host defense, and tumor growth and metastasis. Consequently, profound knowledge of platelet structure and function is becoming more important in research and in many fields of modern medicine. This review provides an overview of platelet physiology focusing particularly on the structure, granules, surface glycoproteins, and activation pathways of platelets.
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Affiliation(s)
- Thomas Gremmel
- Division of Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
- Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, St. Pölten, Austria
- Karl Landsteiner University of Health Sciences, Krems, Austria
- Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, Mistelbach, Austria
| | - Andrew L Frelinger
- Division of Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Alan D Michelson
- Division of Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
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Orinska Z, Hagemann PM, Halova I, Draber P. Tetraspanins in the regulation of mast cell function. Med Microbiol Immunol 2020; 209:531-543. [PMID: 32507938 PMCID: PMC7395004 DOI: 10.1007/s00430-020-00679-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/06/2020] [Indexed: 12/13/2022]
Abstract
Mast cells (MCs) are long-living immune cells highly specialized in the storage and release of different biologically active compounds and are involved in the regulation of innate and adaptive immunity. MC degranulation and replacement of MC granules are accompanied by active membrane remodelling. Tetraspanins represent an evolutionary conserved family of transmembrane proteins. By interacting with lipids and other membrane and intracellular proteins, they are involved in organisation of membrane protein complexes and act as "molecular facilitators" connecting extracellular and cytoplasmic signaling elements. MCs express different tetraspanins and MC degranulation is accompanied by changes in membrane organisation. Therefore, tetraspanins are very likely involved in the regulation of MC exocytosis and membrane reorganisation after degranulation. Antiviral response and production of exosomes are further aspects of MC function characterized by dynamic changes of membrane organization. In this review, we pay a particular attention to tetraspanin gene expression in different human and murine MC populations, discuss tetraspanin involvement in regulation of key MC signaling complexes, and analyze the potential contribution of tetraspanins to MC antiviral response and exosome production. In-depth knowledge of tetraspanin-mediated molecular mechanisms involved in different aspects of the regulation of MC response will be beneficial for patients with allergies, characterized by overwhelming MC reactions.
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Affiliation(s)
- Zane Orinska
- Division of Experimental Pneumology, Research Center Borstel, Leibniz Lungenzentrum, Airway Research Center North, German Center for Lung Research (DZL), Borstel, Germany.
| | - Philipp M Hagemann
- Division of Experimental Pneumology, Research Center Borstel, Leibniz Lungenzentrum, Airway Research Center North, German Center for Lung Research (DZL), Borstel, Germany
| | - Ivana Halova
- Department of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Petr Draber
- Department of Signal Transduction, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
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4
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Lipocalin 2: A New Antimicrobial in Mast Cells. Int J Mol Sci 2019; 20:ijms20102380. [PMID: 31091692 PMCID: PMC6566617 DOI: 10.3390/ijms20102380] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/10/2019] [Accepted: 04/24/2019] [Indexed: 12/30/2022] Open
Abstract
Mast cells (MCs) play a significant role in the innate immune defense against bacterial infection through the release of cytokines and antimicrobial peptides. However, their antimicrobial function is still only partially described. We therefore hypothesized that MCs express additional antimicrobial peptides. In this study, we used FANTOM 5 transcriptome data to identify for the first time that MCs express lipocalin 2 (LCN2), a known inhibitor of bacterial growth. Using MCs derived from mice which were deficient in LCN2, we showed that this antimicrobial peptide is an important component of the MCs' antimicrobial activity against Escherichia coli (E. coli). Since sphingosine-1-phosphate receptors (S1PRs) on MCs are known to regulate their function during infections, we hypothesized that S1P could activate LCN2 production in MCs. Using an in vitro assay, we demonstrated that S1P enhances MCs antimicrobial peptide production and increases the capacity of MCs to directly kill S. aureus and E. coli via an LCN2 release. In conclusion, we showed that LCN2 is expressed by MCs and plays a role in their capacity to inhibit bacterial growth.
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Kaneva VN, Martyanov AA, Morozova DS, Panteleev MA, Sveshnikova AN. Platelet Integrin αIIbβ3: Mechanisms of Activation and Clustering; Involvement into the Formation of the Thrombus Heterogeneous Structure. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES A: MEMBRANE AND CELL BIOLOGY 2019. [DOI: 10.1134/s1990747819010033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Abstract
This overview article for the Comprehensive Physiology collection is focused on detailing platelets, how platelets respond to various stimuli, how platelets interact with their external biochemical environment, and the role of platelets in physiological and pathological processes. Specifically, we will discuss the four major functions of platelets: activation, adhesion, aggregation, and inflammation. We will extend this discussion to include various mechanisms that can induce these functional changes and a discussion of some of the salient receptors that are responsible for platelets interacting with their external environment. We will finish with a discussion of how platelets interact with their vascular environment, with a special focus on interactions with the extracellular matrix and endothelial cells, and finally how platelets can aid and possibly initiate the progression of various vascular diseases. Throughout this overview, we will highlight both the historical investigations into the role of platelets in health and disease as well as some of the more current work. Overall, the authors aim for the readers to gain an appreciation for the complexity of platelet functions and the multifaceted role of platelets in the vascular system. © 2017 American Physiological Society. Compr Physiol 8:1117-1156, 2018.
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Affiliation(s)
- David A Rubenstein
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - Wei Yin
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
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Redegeld FA, Yu Y, Kumari S, Charles N, Blank U. Non-IgE mediated mast cell activation. Immunol Rev 2018; 282:87-113. [DOI: 10.1111/imr.12629] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Frank A. Redegeld
- Division of Pharmacology; Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht The Netherlands
| | - Yingxin Yu
- Division of Pharmacology; Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht The Netherlands
| | - Sangeeta Kumari
- Division of Pharmacology; Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Utrecht The Netherlands
| | - Nicolas Charles
- INSERM U1149; Centre de Recherche sur l'Inflammation; Paris France
- CNRS ERL8252; Paris France
- Université Paris-Diderot; Sorbonne Paris Cité; Faculté de Médecine; Site Xavier Bichat; Paris France
| | - Ulrich Blank
- INSERM U1149; Centre de Recherche sur l'Inflammation; Paris France
- CNRS ERL8252; Paris France
- Université Paris-Diderot; Sorbonne Paris Cité; Faculté de Médecine; Site Xavier Bichat; Paris France
- Inflamex Laboratory of Excellence; Paris France
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Nurden A. Platelets, inflammation and tissue regeneration. Thromb Haemost 2017; 105 Suppl 1:S13-33. [DOI: 10.1160/ths10-11-0720] [Citation(s) in RCA: 469] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Accepted: 02/04/2011] [Indexed: 12/20/2022]
Abstract
SummaryBlood platelets have long been recognised to bring about primary haemostasis with deficiencies in platelet production and function manifesting in bleeding while upregulated function favourises arterial thrombosis. Yet increasing evidence indicates that platelets fulfil a much wider role in health and disease. First, they store and release a wide range of biologically active substances including the panoply of growth factors, chemokines and cytokines released from α-granules. Membrane budding gives rise to microparticles (MPs), another active participant within the blood stream. Platelets are essential for the innate immune response and combat infection (viruses, bacteria, micro-organisms). They help maintain and modulate inflammation and are a major source of pro-inflammatory molecules (e.g. P-selectin, tissue factor, CD40L, metalloproteinases). As well as promoting coagulation, they are active in fibrinolysis; wound healing, angiogenesis and bone formation as well as in maternal tissue and foetal vascular remodelling. Activated platelets and MPs intervene in the propagation of major diseases. They are major players in atherosclerosis and related diseases, pathologies of the central nervous system (Alzheimers disease, multiple sclerosis), cancer and tumour growth. They participate in other tissue-related acquired pathologies such as skin diseases and allergy, rheumatoid arthritis, liver disease; while, paradoxically, autologous platelet-rich plasma and platelet releasate are being used as an aid to promote tissue repair and cellular growth. The above mentioned roles of platelets are now discussed.
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Okada Y, Nishikawa JI, Semma M, Ichikawa A. Induction of integrin β3 in PGE2-stimulated adhesion of mastocytoma P-815 cells to the Arg-Gly-Asp-enriched fragment of fibronectin. Biochem Pharmacol 2011; 81:866-72. [DOI: 10.1016/j.bcp.2011.01.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Revised: 01/13/2011] [Accepted: 01/14/2011] [Indexed: 12/19/2022]
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Kim Y, Kim K, Park D, Eom S, Park H, Lee H, Lee YS, Choe J, Hahn JH, Kim YM, Ro JY, Jeoung D. Integrin α(5) interacts with EGFR, is necessary for FcɛRI signaling and is necessary for allergic inflammation in relation with angiogenesis. Mol Immunol 2011; 48:1035-45. [PMID: 21349584 DOI: 10.1016/j.molimm.2011.01.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 01/24/2011] [Accepted: 01/25/2011] [Indexed: 11/25/2022]
Abstract
Recent reports have suggested role for epidermal growth factor receptor (EGFR) in asthma and skin inflammation. Integrin(s) are known to be necessary for the transactivation of EGFR. The roles of EGFR and integrin(s) in allergic inflammation were investigated. Antigen stimulation induced activation of EGFR and interaction between EGFR and integrin α(5) in Rat Basophilic Leukemia (RBL2H3) cells and bone marrow-derived mouse mast cells (BMMCs). Flow cytometry revealed increased phosphorylation of EGFR on cell surfaces. Antigen stimulation induced interaction between EGFR and FcɛRI in both RBL2H3 cells and BMMCs. Blocking of EGFR or integrin α exerted negative effects on rac1 activity and secretion of β-hexosaminidase in both RBL2H3 cells and BMMCs. EGFR and integrin α(5) were found to be necessary for IgE-dependent cutaneous anaphylaxis. FAK (focal adhesion kinase), interacted with EGFR and with FcɛRI upon antigen stimulation, and it was necessary for the increased secretion of β-hexosaminidase in both RBL2H3 cells and BMMCs. EGFR and integrin α(5) were necessary for interactions between activated RBL2H3 cells, BMMCs and rat aortic endothelial cells (RAECs). Conditioned medium of antigen-stimulated RBL2H3 cells promoted RAECs tube formation, rat aortic ring formation and blood vessel formation. Conditioned medium of antigen-stimulated BMMCs also had the same effects on RAECs. This enhanced angiogenic potential of RAECs was dependent on EGFR and integrin α(5). In conclusion, EGFR, via interaction with FcɛRI and integrin α(5), is necessary for allergic inflammation associated with cellular interaction.
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Affiliation(s)
- Youngmi Kim
- Department of Biochemistry, College of Natural Sciences, Kangwon National University, Chunchon 200-701, Republic of Korea
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