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Gong Y, Johnsson AK, Säfholm J, Al-Ameri M, Sachs E, Vali K, Nilsson G, Rönnberg E. An optimized method for IgE-mediated degranulation of human lung mast cells. Front Immunol 2024; 15:1393802. [PMID: 38881896 PMCID: PMC11179429 DOI: 10.3389/fimmu.2024.1393802] [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: 02/29/2024] [Accepted: 05/10/2024] [Indexed: 06/18/2024] Open
Abstract
Background Mast cells are critically involved in IgE-mediated diseases, e.g., allergies and asthma. Human mast cells are heterogeneous, and mast cells from different anatomical sites have been shown to respond differently to certain stimuli and drugs. The origin of the mast cells is therefore of importance when setting up a model system, and human lung mast cells are highly relevant cells to study in the context of asthma. We therefore set out to optimize a protocol of IgE-mediated activation of human lung mast cells. Methods Human lung mast cells were extracted from lung tissue obtained from patients undergoing pulmonary resection by enzyme digestion and mechanical disruption followed by CD117 magnetic-activated cell sorting (MACS) enrichment. Different culturing media and conditions for the IgE-mediated degranulation were tested to obtain an optimized method. Results IgE crosslinking of human lung mast cells cultured in serum-free media gave a stronger response compared to cells cultured with 10% serum. The addition of stem cell factor (SCF) did not enhance the degranulation. However, when the cells were put in fresh serum-free media 30 minutes prior to the addition of anti-IgE antibodies, the cells responded more vigorously. Maximum degranulation was reached 10 minutes after the addition of anti-IgE. Both CD63 and CD164 were identified as stable markers for the detection of degranulated mast cells over time, while the staining with anti-CD107a and avidin started to decline 10 minutes after activation. The levels of CD203c and CD13 did not change in activated cells and therefore cannot be used as degranulation markers of human lung mast cells. Conclusions For an optimal degranulation response, human lung mast cells should be cultured and activated in serum-free media. With this method, a very strong and consistent degranulation response with a low donor-to-donor variation is obtained. Therefore, this model is useful for further investigations of IgE-mediated mast cell activation and exploring drugs that target human lung mast cells, for instance, in the context of asthma.
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Affiliation(s)
- Yitao Gong
- Division of Immunology and Allergy, Department of Medicine Solna, and Center for Molecular Medicine, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
| | - Anna-Karin Johnsson
- Division of Immunology and Allergy, Department of Medicine Solna, and Center for Molecular Medicine, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
| | - Jesper Säfholm
- Unit of Integrative Metabolomics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden
| | - Mamdoh Al-Ameri
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiothoracic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Erik Sachs
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiothoracic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Kasra Vali
- Department of Cardiothoracic Surgery, Karolinska University Hospital, Stockholm, Sweden
| | - Gunnar Nilsson
- Division of Immunology and Allergy, Department of Medicine Solna, and Center for Molecular Medicine, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Elin Rönnberg
- Division of Immunology and Allergy, Department of Medicine Solna, and Center for Molecular Medicine, Karolinska Institutet, and Karolinska University Hospital, Stockholm, Sweden
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Ranjitkar S, Krajewski D, Garcia C, Tedeschi C, Polukort SH, Rovatti J, Mire M, Blesso CN, Jellison E, Schneider SS, Ryan JJ, Mathias CB. IL-10 Differentially Promotes Mast Cell Responsiveness to IL-33, Resulting in Enhancement of Type 2 Inflammation and Suppression of Neutrophilia. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1407-1419. [PMID: 38497670 PMCID: PMC11018500 DOI: 10.4049/jimmunol.2300884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/26/2024] [Indexed: 03/19/2024]
Abstract
Mast cells (MCs) play critical roles in the establishment of allergic diseases. We recently demonstrated an unexpected, proinflammatory role for IL-10 in regulating MC responses. IL-10 enhanced MC activation and promoted IgE-dependent responses during food allergy. However, whether these effects extend to IgE-independent stimuli is not clear. In this article, we demonstrate that IL-10 plays a critical role in driving IL-33-mediated MC responses. IL-10 stimulation enhanced MC expansion and degranulation, ST2 expression, IL-13 production, and phospho-relA upregulation in IL-33-treated cells while suppressing TNF-α. These effects were partly dependent on endogenous IL-10 and further amplified in MCs coactivated with both IL-33 and IgE/Ag. IL-10's divergent effects also extended in vivo. In a MC-dependent model of IL-33-induced neutrophilia, IL-10 treatment enhanced MC responsiveness, leading to suppression of neutrophils and decreased TNF-α. In contrast, during IL-33-induced type 2 inflammation, IL-10 priming exacerbated MC activity, resulting in MC recruitment to various tissues, enhanced ST2 expression, induction of hypothermia, recruitment of eosinophils, and increased MCPT-1 and IL-13 levels. Our data elucidate an important role for IL-10 as an augmenter of IL-33-mediated MC responses, with implications during both allergic diseases and other MC-dependent disorders. IL-10 induction is routinely used as a prognostic marker of disease improvement. Our data suggest instead that IL-10 can enhance ST2 responsiveness in IL-33-activated MCs, with the potential to both aggravate or suppress disease severity depending on the inflammatory context.
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Affiliation(s)
- Saurav Ranjitkar
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269
| | - Dylan Krajewski
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, MA 01119
| | - Chelsea Garcia
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269
| | - Caitlin Tedeschi
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269
| | - Stephanie H. Polukort
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, MA 01119
| | - Jeffrey Rovatti
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, MA 01119
| | - Mohamed Mire
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, MA 01119
| | | | - Evan Jellison
- Department of Immunology, University of Connecticut, Farmington, CT 06030
| | - Sallie S. Schneider
- Pioneer Valley Life Sciences Institute, Baystate Medical Center, Springfield, MA 01199
| | - John J. Ryan
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Clinton B. Mathias
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269
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3
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Wang J, Wu Y, Li X, Wang X, Yang S. Bergapten inhibits airway inflammation and MRGPRX2-mediated mast cells activation by targeting NR4A1. Int Immunopharmacol 2024; 130:111798. [PMID: 38442583 DOI: 10.1016/j.intimp.2024.111798] [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: 01/19/2024] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/07/2024]
Abstract
Asthma is a serious global health problem affecting 300 million persons around the world. Mast cells (MCs) play a major role in airway hyperresponsiveness (AHR) and inflammation in asthma, their exact effector mechanisms remain unclear. Here, we aim to investigate the inhibitory effect of Bergapten (BER) on MRGPRX2-mediated MCs activation through asthma model. Mouse model of asthma was established to examine the anti-asthmatic effects of BER. Calcium (Ca2+) influx, β-hexosaminidase and histamine release were used to assess MCs degranulation in vitro. RNA-Seq technique was conducted to study the gene expression profile. RT-PCR and Western Blotting were performed to examine targeting molecules expression. BER inhibited AHR, inflammation, mucous secretion, collagen deposition and lung MCs activation in asthma model. BER dramatically reduced levels of IL4, IL-5, and IL-13 in bronchoalveolar lavage fluid (BALF), as well as inflammatory cells. BER also reduced serum IgE levels. Pretreatment MCs with BER inhibited substance P (SP)-induced Ca2+ influx, degranulation and cytokines release from MCs. BER also reduced the phosphorylation levels of PKC, PLC, IP3R, AKT and ERK, which were induced by SP. Furthermore, RNA-seq analysis showed that SP up-regulated 68 genes in MCs, while were reversed by BER. Among these 68 genes, SP up-regulated NR4A1 expression, and this effect was inhibited by BER. Meanwhile, knockdown of NR4A1 significantly attenuated SP-induced MCs degranulation. In conclusion, NR4A1 plays a major role in MRGPRX2-mediated MCs activation, BER inhibited AHR and inflammation in asthmatic model by inhibiting MCs activation through MRGPRX2-NR4A1 pathway.
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Affiliation(s)
- Jue Wang
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yuanyuan Wu
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xiao Li
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xinghui Wang
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Shuanying Yang
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
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4
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Joulia R, Puttur F, Stölting H, Traves WJ, Entwistle LJ, Voitovich A, Garcia Martín M, Al-Sahaf M, Bonner K, Scotney E, Molyneaux PL, Hewitt RJ, Walker SA, Yates L, Saglani S, Lloyd CM. Mast cell activation disrupts interactions between endothelial cells and pericytes during early life allergic asthma. J Clin Invest 2024; 134:e173676. [PMID: 38487999 PMCID: PMC10940085 DOI: 10.1172/jci173676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 01/23/2024] [Indexed: 03/18/2024] Open
Abstract
Allergic asthma generally starts during early life and is linked to substantial tissue remodeling and lung dysfunction. Although angiogenesis is a feature of the disrupted airway, the impact of allergic asthma on the pulmonary microcirculation during early life is unknown. Here, using quantitative imaging in precision-cut lung slices (PCLSs), we report that exposure of neonatal mice to house dust mite (HDM) extract disrupts endothelial cell/pericyte interactions in adventitial areas. Central to the blood vessel structure, the loss of pericyte coverage was driven by mast cell (MC) proteases, such as tryptase, that can induce pericyte retraction and loss of the critical adhesion molecule N-cadherin. Furthermore, spatial transcriptomics of pediatric asthmatic endobronchial biopsies suggests intense vascular stress and remodeling linked with increased expression of MC activation pathways in regions enriched in blood vessels. These data provide previously unappreciated insights into the pathophysiology of allergic asthma with potential long-term vascular defects.
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Affiliation(s)
- Régis Joulia
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Franz Puttur
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Helen Stölting
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - William J. Traves
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Lewis J. Entwistle
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Anastasia Voitovich
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Minerva Garcia Martín
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - May Al-Sahaf
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Department of Thoracic Surgery, Hammersmith Hospital, London, UK
| | - Katie Bonner
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
| | - Elizabeth Scotney
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
| | - Philip L. Molyneaux
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Royal Brompton and Harefield Hospitals, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK
| | - Richard J. Hewitt
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Royal Brompton and Harefield Hospitals, Guy’s and St. Thomas’ NHS Foundation Trust, London, UK
| | - Simone A. Walker
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Laura Yates
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
| | - Sejal Saglani
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
| | - Clare M. Lloyd
- National Heart and Lung Institute (NHLI), Imperial College London, London, United Kingdom (UK)
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5
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Shao Y, Xiao Z, Jin Y, Zhu Y, Shen Y, Jin T, Tang H, Wang D. New insight into prurigo nodularis: Proadrenomedullin N-terminal 20 peptide mediates mouse mast cell activation via Mrgprb2. Skin Res Technol 2024; 30:e13588. [PMID: 38284237 PMCID: PMC10823405 DOI: 10.1111/srt.13588] [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: 11/11/2023] [Accepted: 12/18/2023] [Indexed: 01/30/2024]
Abstract
BACKGROUND Prurigo nodularis (PN) is a chronic inflammatory skin disorder that is characterized by extremely itchy nodules. Proadrenomedullin N-terminal 20 (PAMP) activates mast cell degranulation via Mas-related G protein-coupled receptor X2 (MRGPRX2), which is associated with pruritus in allergic contact dermatitis. However, the mechanisms underlying the action of PAMP and MRGPRX2 in PN remain unclear. OBJECTIVE To determine the role of PAMP-induced mast cell activation via MRGPRX2 (mouse homologous Mrgprb2) in PN. METHODS The expression of PAMP and the number of MRGPRX2-expressing mast cells in the skin biopsies of patients with PN, atopic dermatitis (AD), and healthy participants were analyzed using immunohistochemistry and immunofluorescence, respectively. The biphasic response of PAMP9-20 mediated by Mrgprb2 in mouse peritoneal mast cells (PMC) was validated in vitro using qRT-PCR, ELISA, flow cytometry, and siRNA techniques. RESULTS PAMP expression and the number of MRGPRX2+ mast cells in lesional PN skin, but not in AD, were elevated compared to healthy skin. PAMP9-20 mediates the immediate and delayed phase responses of PMC, such as degranulation, histamine and β-hexosaminidase release, and secretion of inflammatory factors such as CCL2, TNF-α, and GM-CSF. These effects were inhibited when Mrgprb2 expression was silenced. Silencing Mrgprb2 did not affect the biphasic response of PMC that was induced by IgE-FcεRI activation. CONCLUSIONS The results show that PAMP mediates mouse mast cell activation via Mrgprb2, which may be involved in the pathogenesis of PN. The PAMP/ Mrgprb2 pathway, independent of classical IgE signaling, could be developed as a candidate drug target for treating PN.
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Affiliation(s)
- Yixin Shao
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Zijing Xiao
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Yinghong Jin
- Department of NursingHuashan HospitalFudan UniversityShanghaiChina
| | - Yiqi Zhu
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Yanyun Shen
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Taiyu Jin
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Hui Tang
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
| | - Duoqin Wang
- Department of DermatologyHuashan HospitalFudan UniversityShanghaiChina
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6
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Salcman B, Bahri R, West PW, Tontini C, Affleck K, Bulfone-Paus S. P2X7 Receptor-Induced Human Mast Cell Degranulation Is Enhanced by Interleukin 33. Int J Mol Sci 2024; 25:1730. [PMID: 38339008 PMCID: PMC10855801 DOI: 10.3390/ijms25031730] [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: 12/19/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
MCs are tissue-resident immune cells that strategically reside in barrier organs and respond effectively to a wide range of stimuli, such as IL-33, a mediator released upon epithelial damage. Adenosine triphosphate (ATP) accumulates at sites of tissue injury and is known to modulate MC activities. This study investigated how an inflammatory tissue environment rich in IL-33 modulates the ATP-mediated activation of MCs. Human primary MCs primed with IL-33 displayed a strongly increased response to ATP but not ADP. This resulted in increased degranulation, IL-8 release, and pERK1/2 signalling. Such effects are unique to IL-33 stimulation and not shared by the epithelial alarmin, TSLP. MC exposure to IL-33 also increased membrane expression of purinergic and ATP-binding P2X receptors. The use of selective P2X receptor inhibitors identified P2X7 receptor as the key mediator of the enhanced ATP-induced ERK1/2 signalling and degranulation in IL-33-primed MCs. Whilst the inhibition of P2X1 and P2X4 receptors had no effect on MC degranulation, inhibiting these receptors together with P2X7 resulted in further decreased MC-mediated degranulation. These data therefore point toward the potential mechanisms by which IL-33 contributes to the modulation of ATP-mediated activation in human MCs.
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Affiliation(s)
- Barbora Salcman
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK; (B.S.); (R.B.); (P.W.W.); (C.T.)
| | - Rajia Bahri
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK; (B.S.); (R.B.); (P.W.W.); (C.T.)
| | - Peter W. West
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK; (B.S.); (R.B.); (P.W.W.); (C.T.)
| | - Chiara Tontini
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK; (B.S.); (R.B.); (P.W.W.); (C.T.)
| | | | - Silvia Bulfone-Paus
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK; (B.S.); (R.B.); (P.W.W.); (C.T.)
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7
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Kleuskens MTA, Bek MK, Al Halabi Y, Blokhuis BRJ, Diks MAP, Haasnoot ML, Garssen J, Bredenoord AJ, van Esch BCAM, Redegeld FA. Mast cells disrupt the function of the esophageal epithelial barrier. Mucosal Immunol 2023; 16:567-577. [PMID: 37302713 DOI: 10.1016/j.mucimm.2023.06.001] [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: 03/07/2023] [Revised: 05/24/2023] [Accepted: 06/05/2023] [Indexed: 06/13/2023]
Abstract
Mast cells (MCs) accumulate in the epithelium of patients with eosinophilic esophagitis (EoE), an inflammatory disorder characterized by extensive esophageal eosinophilic infiltration. Esophageal barrier dysfunction plays an important role in the pathophysiology of EoE. We hypothesized that MCs contribute to the observed impaired esophageal epithelial barrier. Herein, we demonstrate that coculture of differentiated esophageal epithelial cells with immunoglobulin E-activated MCs significanly decreased epithelial resistance by 30% and increased permeability by 22% compared with non-activated MCs. These changes were associated with decreased messenger RNA expression of barrier proteins filaggrin, desmoglein-1 and involucrin, and antiprotease serine peptidase inhibitor kazal type 7. Using targeted proteomics, we detected various cytokines in coculture supernatants, most notably granulocyte-macrophage colony-stimulating factor and oncostatin M (OSM). OSM expression was increased by 12-fold in active EoE and associated with MC marker genes. Furthermore, OSM receptor-expressing esophageal epithelial cells were found in the esophageal tissue of patients with EoE, suggesting that the epithelial cells may respond to OSM. Stimulation of esophageal epithelial cells with OSM resulted in a dose-dependent decrease in barrier function and expression of filaggrin and desmoglein-1 and an increase in protease calpain-14. Taken together, these data suggest a role for MCs in decreasing esophageal epithelial barrier function in EoE, which may in part be mediated by OSM.
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Affiliation(s)
- Mirelle T A Kleuskens
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Marie K Bek
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Youmna Al Halabi
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Bart R J Blokhuis
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Mara A P Diks
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Maria L Haasnoot
- Department of Gastroenterology & Hepatology, Amsterdam UMC, location AMC, Amsterdam, The Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands; Danone Nutricia Research, Utrecht, The Netherlands
| | - Albert J Bredenoord
- Department of Gastroenterology & Hepatology, Amsterdam UMC, location AMC, Amsterdam, The Netherlands
| | - Betty C A M van Esch
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands; Danone Nutricia Research, Utrecht, The Netherlands
| | - Frank A Redegeld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands.
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8
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Molfetta R, Lecce M, Milito ND, Putro E, Pietropaolo G, Marangio C, Scarno G, Moretti M, De Smaele E, Santini T, Bernardini G, Sciumè G, Santoni A, Paolini R. SCF and IL-33 regulate mouse mast cell phenotypic and functional plasticity supporting a pro-inflammatory microenvironment. Cell Death Dis 2023; 14:616. [PMID: 37730723 PMCID: PMC10511458 DOI: 10.1038/s41419-023-06139-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/22/2023]
Abstract
Mast cells (MCs) are multifaceted innate immune cells often present in the tumor microenvironment (TME). Several recent findings support their contribution to the transition from chronic inflammation to cancer. However, MC-derived mediators can either favor tumor progression, inducing the spread of the tumor, or exert anti-tumorigenic functions, limiting tumor growth. This apparent controversial role likely depends on the plastic nature of MCs that under different microenvironmental stimuli can rapidly change their phenotype and functions. Thus, the exact effect of unique MC subset(s) during tumor progression is far from being understood. Using a murine model of colitis-associated colorectal cancer, we initially characterized the MC population within the TME and in non-lesional colonic areas, by multicolor flow cytometry and confocal microscopy. Our results demonstrated that tumor-associated MCs harbor a main connective tissue phenotype and release high amounts of Interleukin (IL)-6 and Tumor Necrosis Factor (TNF)-α. This MC phenotype correlates with the presence of high levels of Stem Cell Factor (SCF) and IL-33 inside the tumor. Thus, we investigated the effect of SCF and IL-33 on primary MC cultures and underscored their ability to shape MC phenotype eliciting the production of pro-inflammatory cytokines. Our findings support the conclusion that during colonic transformation a sustained stimulation by SCF and IL-33 promotes the accumulation of a prevalent connective tissue-like MC subset that through the secretion of IL-6 and TNF-α maintains a pro-inflammatory microenvironment.
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Affiliation(s)
- Rosa Molfetta
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy.
| | - Mario Lecce
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
- Leibniz Institute for Immunotherapy-Division of functional immune cell modulation, Franz-Josef-Strausse, D-93053, Regensburg, Germany
| | - Nadia D Milito
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Erisa Putro
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Giuseppe Pietropaolo
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Caterina Marangio
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Gianluca Scarno
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Marta Moretti
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Enrico De Smaele
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Tiziana Santini
- Department of Biology and Biotechnologies "Charles Darwin", Sapienza University of Rome, Rome, Italy
| | - Giovanni Bernardini
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Giuseppe Sciumè
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy
- IRCCS Neuromed, Pozzilli, 86077, Isernia, Italy
| | - Rossella Paolini
- Department of Molecular Medicine, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Sapienza University of Rome, 00161, Rome, Italy.
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Zhou X, Hu Y, Liu L, Liu L, Chen H, Huang D, Ju M, Luan C, Chen K, Zhang J. IL-33-mediated activation of mast cells is involved in the progression of imiquimod-induced psoriasis-like dermatitis. Cell Commun Signal 2023; 21:52. [PMID: 36894987 PMCID: PMC9996901 DOI: 10.1186/s12964-023-01075-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/11/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Psoriasis is a chronic inflammatory dermatosis with an unclear pathogenesis. Mast cells (MCs) can serve as a bridge between innate and adaptive immunity and are involved in the regulation of the inflammatory state and immune homeostasis in diseases. MCs constitutively express interleukin-33 receptor T1/ST2 (IL-33R). IL-33 is a potent MCs activator that is actively secreted by keratinocytes in psoriasis. However, the regulatory role of MCs in psoriasis remains uncertain. Therefore, we hypothesised that IL-33 could promote MC activation to regulate psoriasis development. METHODS We performed experiments on wild-type (WT) and MC-deficient (Kit Wsh/Wsh) mice, established psoriasis-like mouse models using imiquimod (IMQ), and performed RNA sequencing and transcriptomic analysis of skin lesions. Exogenous administration was performed using recombinant IL-33. Validation and evaluation were performed using PSI scoring, immunofluorescence, immunohistochemistry, and qPCR. RESULTS We observed an upregulation in the number and activation of MCs in patients with psoriasis and in IMQ-induced psoriasis-like dermatitis. Deficiency of MCs ameliorates IMQ-induced psoriatic dermatitis at an early stage. IL-33 is increased and co-localized with MCs in the dermis of psoriasis-like lesions using immunofluorescence. Compared to WT mice, IMQ-induced KitWsh/Wsh mice demonstrated a delayed response to exogenous IL-33. CONCLUSIONS MCs are activated by IL-33 in the early stages of psoriasis and exacerbate psoriasis-associated skin inflammation. The regulation of MC homeostasis may be a potential therapeutic strategy for psoriasis. Video Abstract.
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Affiliation(s)
- Xuyue Zhou
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Yu Hu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lingxi Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lihao Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Hongying Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Dan Huang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Mei Ju
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Chao Luan
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Kun Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Jiaan Zhang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
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10
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Patel CK, Kahrilas PJ, Hodge NB, Tsikretsis LE, Carlson DA, Pandolfino JE, Tétreault MP. RNA-sequencing reveals molecular and regional differences in the esophageal mucosa of achalasia patients. Sci Rep 2022; 12:20616. [PMID: 36450816 PMCID: PMC9712691 DOI: 10.1038/s41598-022-25103-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 11/24/2022] [Indexed: 12/12/2022] Open
Abstract
Achalasia is an esophageal motility disorder characterized by the functional loss of myenteric plexus ganglion cells in the distal esophagus and lower esophageal sphincter. Histological changes have been reported in the esophageal mucosa of achalasia, suggesting its involvement in disease pathogenesis. Despite recent advances in diagnosis, our understanding of achalasia pathogenesis at the molecular level is very limited and gene expression profiling has not been performed. We performed bulk RNA-sequencing on esophageal mucosa from 14 achalasia and 8 healthy subjects. 65 differentially expressed genes (DEGs) were found in the distal esophageal mucosa of achalasia subjects and 120 DEGs were identified in proximal esophagus. Gene expression analysis identified genes common or exclusive to proximal and distal esophagus, highlighting regional differences in the disease. Enrichment of signaling pathways related to cytokine response and viral defense were observed. Increased infiltration of CD45+ intraepithelial leukocytes were seen in the mucosa of 38 achalasia patients compared to 12 controls. Novel insights into the molecular changes occurring in achalasia were generated in this transcriptomic study. Some gene changes observed in the mucosa of achalasia may be associated with esophagitis. Differences in DEGs between distal and proximal esophagus highlight the importance of better understanding regional differences in achalasia.
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Affiliation(s)
- Caroline K Patel
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - Peter J Kahrilas
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - Nathan B Hodge
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - Lia E Tsikretsis
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - Dustin A Carlson
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - John E Pandolfino
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA
| | - Marie-Pier Tétreault
- Department of Medicine, Gastroenterology and Hepatology Division, Northwestern University Feinberg School of Medicine, M-336 McGaw Building, 240 East Huron, Chicago, IL, 60611-3010, USA.
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11
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Human Lung Mast Cells: Therapeutic Implications in Asthma. Int J Mol Sci 2022; 23:ijms232214466. [PMID: 36430941 PMCID: PMC9693207 DOI: 10.3390/ijms232214466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
Mast cells are strategically located in different compartments of the lung in asthmatic patients. These cells are widely recognized as central effectors and immunomodulators in different asthma phenotypes. Mast cell mediators activate a wide spectrum of cells of the innate and adaptive immune system during airway inflammation. Moreover, these cells modulate the activities of several structural cells (i.e., fibroblasts, airway smooth muscle cells, bronchial epithelial and goblet cells, and endothelial cells) in the human lung. These findings indicate that lung mast cells and their mediators significantly contribute to the immune induction of airway remodeling in severe asthma. Therapies targeting mast cell mediators and/or their receptors, including monoclonal antibodies targeting IgE, IL-4/IL-13, IL-5/IL-5Rα, IL-4Rα, TSLP, and IL-33, have been found safe and effective in the treatment of different phenotypes of asthma. Moreover, agonists of inhibitory receptors expressed by human mast cells (Siglec-8, Siglec-6) are under investigation for asthma treatment. Increasing evidence suggests that different approaches to depleting mast cells show promising results in severe asthma treatment. Novel treatments targeting mast cells can presumably change the course of the disease and induce drug-free remission in bronchial asthma. Here, we provide an overview of current and promising treatments for asthma that directly or indirectly target lung mast cells.
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12
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Guo H, Bossila EA, Ma X, Zhao C, Zhao Y. Dual Immune Regulatory Roles of Interleukin-33 in Pathological Conditions. Cells 2022; 11:cells11203237. [PMID: 36291105 PMCID: PMC9600220 DOI: 10.3390/cells11203237] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/20/2022] Open
Abstract
Interleukin-33 (IL-33), a member of the IL-1 cytokine family and a multifunctional cytokine, plays critical roles in maintaining host homeostasis and in pathological conditions, such as allergy, infectious diseases, and cancer, by acting on multiple types of immune cells and promoting type 1 and 2 immune responses. IL-33 is rapidly released by immune and non-immune cells upon stimulation by stress, acting as an “alarmin” by binding to its receptor, suppression of tumorigenicity 2 (ST2), to trigger downstream signaling pathways and activate inflammatory and immune responses. It has been recognized that IL-33 displays dual-functioning immune regulatory effects in many diseases and has both pro- and anti-tumorigenic effects, likely depending on its primary target cells, IL-33/sST2 expression levels, cellular context, and the cytokine microenvironment. Herein, we summarize our current understanding of the biological functions of IL-33 and its roles in the pathogenesis of various conditions, including inflammatory and autoimmune diseases, infections, cancers, and cases of organ transplantation. We emphasize the nature of context-dependent dual immune regulatory functions of IL-33 in many cells and diseases and review systemic studies to understand the distinct roles of IL-33 in different cells, which is essential to the development of more effective diagnoses and therapeutic approaches for IL-33-related diseases.
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Affiliation(s)
- Han Guo
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Elhusseny A. Bossila
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
- Biotechnology Department, Faculty of Agriculture Al-Azhar University, Cairo 11311, Egypt
| | - Xinran Ma
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Chenxu Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Yong Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
- Beijing Institute for Stem Cell and Regeneration, Beijing 100101, China
- Correspondence: ; Tel.: +86-10-64807302; Fax: +86-10-64807313
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13
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Cramer M, Pineda Molina C, Hussey G, Turnquist HR, Badylak SF. Transcriptomic Regulation of Macrophages by Matrix-Bound Nanovesicle-Associated Interleukin-33. Tissue Eng Part A 2022; 28:867-878. [PMID: 35770892 PMCID: PMC9634988 DOI: 10.1089/ten.tea.2022.0006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 06/14/2022] [Indexed: 11/12/2022] Open
Abstract
The innate immune response, particularly the phenotype of responding macrophages, has significant clinical implications in the remodeling outcome following implantation of biomaterials and engineered tissues. In general, facilitation of an anti-inflammatory (M2-like) phenotype is associated with tissue repair and favorable outcomes, whereas pro-inflammatory (M1-like) activation can contribute to chronic inflammation and a classic foreign body response. Biologic scaffolds composed of extracellular matrix (ECM) and, more recently, matrix-bound nanovesicles (MBV) embedded within the ECM are known to direct macrophages toward an anti-inflammatory phenotype and stimulate a constructive remodeling outcome. The mechanisms of MBV-mediated macrophage activation are not fully understood, but interleukin-33 (IL-33) within the MBV appears critical for M2-like activation. Previous work has shown that IL-33 is encapsulated within the lumen of MBV and stimulates phenotypical changes in macrophages independent of its canonical surface receptor stimulation-2 (ST2). In the present study, we used next-generation RNA sequencing to determine the gene signature of macrophages following exposure to MBV with and without intraluminal IL-33. MBV-associated IL-33 instructed an anti-inflammatory phenotype in both wild-type and st2-/- macrophages by upregulating M2-like and downregulating M1-like genes. The repertoire of genes regulated by ST2-independent IL-33 signaling were broadly related to the inflammatory response and crosstalk between cells of both the innate and adaptive immune systems. These results signify the importance of the MBV intraluminal protein IL-33 in stimulating a pro-remodeling M2-like phenotype in macrophages and provides guidance for the designing of next-generation biomaterials and tissue engineering strategies. Impact statement The phenotype of responding macrophages is predictive of the downstream remodeling response to an implanted biomaterial. The clinical impact of macrophage phenotype has motivated studies to investigate the factors that regulate macrophage activation. Matrix-bound nanovesicles (MBV) embedded within the extracellular matrix direct macrophages toward an anti-inflammatory (M2)-like phenotype that is indicative of a favorable remodeling response. Although the mechanisms of MBV-mediated macrophage activation are not fully understood, the intraluminal protein interleukin-33 (IL-33) is clearly a contributing signaling molecule. The present study identifies those genes regulated by MBV-associated IL-33 that promote a pro-remodeling M2-like macrophage activation state and can guide future therapies in regenerative medicine.
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Affiliation(s)
- Madeline Cramer
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Catalina Pineda Molina
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - George Hussey
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Surgery and School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Heth R. Turnquist
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Surgery and School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Stephen F. Badylak
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Surgery and School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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14
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The Role of TGFβ and Other Cytokines in Regulating Mast Cell Functions in Allergic Inflammation. Int J Mol Sci 2022; 23:ijms231810864. [PMID: 36142776 PMCID: PMC9503477 DOI: 10.3390/ijms231810864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 12/15/2022] Open
Abstract
Mast cells (MC) are a key effector cell in multiple types of immune responses, including atopic conditions. Allergic diseases have been steadily rising across the globe, creating a growing public health problem. IgE-mediated activation of MCs leads to the release of potent mediators that can have dire clinical consequences. Current therapeutic options to inhibit MC activation and degranulation are limited; thus, a better understanding of the mechanisms that regulate MC effector functions in allergic inflammation are necessary in order to develop effective treatment options with minimal side effects. Several cytokines have been identified that play multifaceted roles in regulating MC activation, including TGFβ, IL-10, and IL-33, and others that appear to serve primarily anti-inflammatory functions, including IL-35 and IL-37. Here, we review the literature examining cytokines that regulate MC-mediated allergic immune responses.
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15
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Garcia-Rodriguez KM, Goenka A, Thomson DD, Bahri R, Tontini C, Salcman B, Hernandez-Pando R, Bulfone-Paus S. Bacillus Calmette-Guérin-Induced Human Mast Cell Activation Relies on IL-33 Priming. Int J Mol Sci 2022; 23:7549. [PMID: 35886897 PMCID: PMC9320129 DOI: 10.3390/ijms23147549] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
Bacillus Calmette-Guérin (BCG) vaccine is an attenuated strain of Mycobacterium bovis that provides weak protection against tuberculosis (TB). Mast cells (MCs) are tissue-resident immune cells strategically that serve as the first line of defence against pathogenic threats. In this study, we investigated the response of human MCs (hMCs) to BCG. We found that naïve hMCs exposed to BCG did not secrete cytokines, degranulate, or support the uptake and intracellular growth of bacteria. Since we could show that in hMCs IL-33 promotes the transcription of host-pathogen interaction, cell adhesion and activation genes, we used IL-33 for cell priming. The treatment of hMCs with IL-33, but not IFN-γ, before BCG stimulation increased IL-8, MCP-1 and IL-13 secretion, and induced an enhanced expression of the mycobacteria-binding receptor CD48. These effects were comparable to those caused by the recombinant Mycobacterium tuberculosis (Mtb) 19-KDa lipoprotein. Finally, stimulation of hMCs with IL-33 incremented MC-BCG interactions. Thus, we propose that IL-33 may improve the immunogenicity of BCG vaccine by sensitising hMCs.
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Affiliation(s)
- Karen M. Garcia-Rodriguez
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
- School of Materials, Faculty of Science and Engineering, University of Manchester, Manchester M13 9PL, UK
| | - Anu Goenka
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TH, UK;
| | - Darren D. Thomson
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
- MRC Centre for Medical Mycology, University of Exeter, Exeter EX4 4PY, UK
| | - Rajia Bahri
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
| | - Chiara Tontini
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
| | - Barbora Salcman
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
| | - Rogelio Hernandez-Pando
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, Mexico City 14080, Mexico;
| | - Silvia Bulfone-Paus
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (K.M.G.-R.); (D.D.T.); (R.B.); (C.T.); (B.S.)
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16
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Liao Z, Tu B, Sun L, Dong C, Jiang H, Hu G. Interleukin-33 and thymic stromal lymphopoietin are primary cytokines involved in the Th1/Th2 inflammatory response in chronic secretory otitis media. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221094158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background: T-helper (Th)1/Th2 inflammatory responses are responsible for secretory otitis media (SOM) development. However, the mechanisms underlying these immune responses remain unknown. This study aims to identify the primary cytokines that play essential roles in chronic SOM. Methods: Two groups were established for the present study: chronic SOM group ( n = 21) and control group ( n = 10). The middle ear effusion and serum samples of the expression cytokines (interleukin IL-2, IL-4, IL-5, IL-13, IL-17, IL-25, IL-33, interferon [IFN]-γ, thymic stromal lymphopoietin [TSLP], immunoglobulin IgE, and pepsins) were analyzed by enzyme-linked immunosorbent assay. Results: The levels of IL-4, IL-5, IL-13, IL-17, IL-25, IFN-γ, TLSP, pepsins, IL-2, and IL-33 (all, p < 0.001) were higher in middle ear effusion, when compared to those in serum, in chronic SOM group (non-paired sample). However, there was no significant difference in serum expression for those cytokines compared chronic SOM group and control group. The paired sample expression for IL-33 and TLSP (both, p = 0.046) were higher compared the effusion and serum in chronic SOM group. Conclusions: IL-33 produces inflammatory cytokines, such as IL-1b, IL-6, TNF-α, IL-10, IL-4, and TGF-β, which through nucleus into cytoplasm causing inflammatory responses. The present study revealed that IL-33 also produce IL-17, IL-4, IL-5, and IL-13 inflammatory factors, triggering an inflammatory response. Study reported that the combined stimulation of TSLP and IL-33 elicits an approximately 10-fold increase in cytokine production, when compared to the stimulation of IL-33 alone. This suggests that IL-33 and TLSP may be the primary cytokines involved in Th1/Th2 inflammatory responses in chronic SOM.
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Affiliation(s)
- Zhifang Liao
- Department of Otorhinolaryngology Head and Neck Surgery, Shenzhen people’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Guangdong, China
| | - Bo Tu
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Jinan University, Guangdong, China
| | - Liang Sun
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital, Hainan, China
| | - Chang Dong
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital, Hainan, China
| | - Hongyan Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital, Hainan, China
| | - Genwen Hu
- Department of Radiology, Shenzhen People’s Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Guangdong, China
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17
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Zhou B, Li J, Liu R, Zhu L, Peng C. The Role of Crosstalk of Immune Cells in Pathogenesis of Chronic Spontaneous Urticaria. Front Immunol 2022; 13:879754. [PMID: 35711438 PMCID: PMC9193815 DOI: 10.3389/fimmu.2022.879754] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 05/02/2022] [Indexed: 12/15/2022] Open
Abstract
Chronic spontaneous urticaria (CSU) is defined as recurrent episodes of spontaneous wheal development and/or angioedema for more than six weeks and at least twice a week. The core link in the pathogenesis of CSU is the activation of mast cells, T cells, eosinophils, and other immune cells infiltrating around the small venules of the lesion. Increased vascular permeability, vasodilatation, and recruitment of inflammatory cells directly depend on mast cell mediators’ release. Complex regulatory systems tightly influence the critical roles of mast cells in the local microenvironment. The bias toward Th2 inflammation and autoantibodies derived from B cells, histamine expressed by basophils, and initiation of the extrinsic coagulation pathway by eosinophils or monocytes exerts powerful modulatory influences on mast cells. Cell-to-cell interactions between mast cells and eosinophils/T cells also are regulators of their function and may involve CSU’s pathomechanism. This review summarizes up-to-date knowledge regarding the crosstalk between mast cells and other immune cells, providing the impetus to develop new research concepts and treatment strategies for CSU.
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Affiliation(s)
- Bingjing Zhou
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Runqiu Liu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Lei Zhu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Cong Peng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Cong Peng,
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18
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Flow-based allergen testing: can mast cells beat basophils? Clin Chim Acta 2022; 532:64-71. [DOI: 10.1016/j.cca.2022.05.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 12/15/2022]
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19
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Elst J, van der Poorten MLM, Van Gasse AL, Mertens C, Hagendorens MM, Ebo DG, Sabato V. Tryptase release does not discriminate between IgE- or MRGPRX2-mediated activation in human mast cells. Clin Exp Allergy 2022; 52:797-800. [PMID: 35152504 DOI: 10.1111/cea.14110] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/01/2022] [Accepted: 02/10/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Jessy Elst
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Marie-Line M van der Poorten
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium.,University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Athina L Van Gasse
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium.,University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Christel Mertens
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Margo M Hagendorens
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium.,University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Didier G Ebo
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
| | - Vito Sabato
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
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20
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Saliba J, Coutaud B, Makhani K, Epstein Roth N, Jackson J, Park JY, Gagnon N, Costa P, Jeyakumar T, Bury M, Beauchemin N, Mann KK, Blank V. Loss of NFE2L3 protects against inflammation-induced colorectal cancer through modulation of the tumor microenvironment. Oncogene 2022; 41:1563-1575. [PMID: 35091681 PMCID: PMC8913363 DOI: 10.1038/s41388-022-02192-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 12/16/2021] [Accepted: 01/13/2022] [Indexed: 02/07/2023]
Abstract
We investigated the role of the NFE2L3 transcription factor in inflammation-induced colorectal cancer. Our studies revealed that Nfe2l3−/− mice exhibit significantly less inflammation in the colon, reduced tumor size and numbers, and skewed localization of tumors with a more pronounced decrease of tumors in the distal colon. CIBERSORT analysis of RNA-seq data from normal and tumor tissue predicted a reduction in mast cells in Nfe2l3−/− animals, which was confirmed by toluidine blue staining. Concomitantly, the transcript levels of Il33 and Rab27a, both important regulators of mast cells, were reduced and increased, respectively, in the colorectal tumors of Nfe2l3−/− mice. Furthermore, we validated NFE2L3 binding to the regulatory sequences of the IL33 and RAB27A loci in human colorectal carcinoma cells. Using digital spatial profiling, we found that Nfe2l3−/− mice presented elevated FOXP3 and immune checkpoint markers CTLA4, TIM3, and LAG3, suggesting an increase in Treg counts. Staining for CD3 and FOXP3 confirmed a significant increase in immunosuppressive Tregs in the colon of Nfe2l3−/− animals. Also, Human Microbiome Project (HMP2) data showed that NFE2L3 transcript levels are higher in the rectum of ulcerative colitis patients. The observed changes in the tumor microenvironment provide new insights into the molecular differences regarding colon cancer sidedness. This may be exploited for the treatment of early-onset colorectal cancer as this emerging subtype primarily displays distal/left-sided tumors.
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Affiliation(s)
- James Saliba
- Lady Davis Institute for Medical Research, Montreal, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | | | - Kiran Makhani
- Lady Davis Institute for Medical Research, Montreal, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Noam Epstein Roth
- Lady Davis Institute for Medical Research, Montreal, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Jennie Jackson
- Lady Davis Institute for Medical Research, Montreal, Canada.,Life Sciences Institute and Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Joo Yeoun Park
- Lady Davis Institute for Medical Research, Montreal, Canada
| | | | - Paolo Costa
- Lady Davis Institute for Medical Research, Montreal, Canada
| | - Thiviya Jeyakumar
- Goodman Cancer Institute and Departments of Oncology, Biochemistry and Medicine, McGill University, Montreal, Quebec, Canada
| | - Marina Bury
- Lady Davis Institute for Medical Research, Montreal, Canada.,De Duve Institute, UCLouvain, Brussels, Belgium
| | - Nicole Beauchemin
- Goodman Cancer Institute and Departments of Oncology, Biochemistry and Medicine, McGill University, Montreal, Quebec, Canada
| | - Koren K Mann
- Lady Davis Institute for Medical Research, Montreal, Canada.,Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada
| | - Volker Blank
- Lady Davis Institute for Medical Research, Montreal, Canada. .,Department of Medicine, McGill University, Montreal, Quebec, Canada. .,Department of Physiology, McGill University, Montreal, Quebec, Canada.
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21
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Grigorev I, Korzhevskii D. Modern Imaging Technologies of Mast Cells for Biology and Medicine (Review). Sovrem Tekhnologii Med 2021; 13:93-107. [PMID: 34603768 PMCID: PMC8482833 DOI: 10.17691/stm2021.13.4.10] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Indexed: 01/03/2023] Open
Abstract
Mast cells play an important role in the body defense against allergens, pathogens, and parasites by participating in inflammation development. However, there is evidence for their contributing to the pathogenesis of a number of atopic, autoimmune, as well as cardiovascular, oncologic, neurologic, and other diseases (allergy, asthma, eczema, rhinitis, anaphylaxis, mastocytosis, multiple sclerosis, rheumatoid arthritis, inflammatory gastrointestinal and pulmonary diseases, migraine, etc.). The diagnosis of many diseases and the study of mast cell functions in health and disease require their identification; so, the knowledge on adequate imaging techniques for mast cells in humans and different species of animals is of particular importance. The present review summarizes the data on major methods of mast cell imaging: enzyme histochemistry, immunohistochemistry, as well as histochemistry using histological stains. The main histological stains bind to heparin and other acidic mucopolysaccharides contained in mast cells and stain them metachromatically. Among these are toluidine blue, methylene blue (including that contained in May-Grünwald-Giemsa stain), thionin, pinacyanol, and others. Safranin and fluorescent dyes: berberine and avidin - also bind to heparin. Longer staining with histological dyes or alcian blue staining is needed to label mucosal and immature mast cells. Advanced techniques - enzyme histochemistry and especially immunohistochemistry - enable to detect mast cells high-selectively using a reaction to tryptases and chymases (specific proteases of these cells). In the immunohistochemical study of tryptases and chymases, species-specific differences in the distribution of the proteases in mast cells of humans and animals should be taken into account for their adequate detection. The immunohistochemical reaction to immunoglobulin E receptor (FcεRI) and c-kit receptor is not specific to mast cells, although the latter is important to demonstrate their proliferation in normal and malignant growth. Correct fixation of biological material is also discussed in the review as it is of great significance for histochemical and immunohistochemical mast cell detection. Fluorescent methods of immunohistochemistry and a multimarker analysis in combination with confocal microscopy are reported to be new technological approaches currently used to study various mast cell populations.
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Affiliation(s)
- I.P. Grigorev
- Senior Researcher, Laboratory of Functional Morphology of the Central and Peripheral Nervous System, Department of General and Specific Morphology; Institute of Experimental Medicine, 12 Akademika Pavlova St., Saint Petersburg, 197376, Russia
| | - D.E. Korzhevskii
- Professor of the Russian Academy of Sciences, Head of the Laboratory of Functional Morphology of the Central and Peripheral Nervous System, Department of General and Specific Morphology; Institute of Experimental Medicine, 12 Akademika Pavlova St., Saint Petersburg, 197376, Russia
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22
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Okragly AJ, Corwin KB, Elia M, He D, Schroeder O, Zhang Q, Shiyanova T, Bright S, Dicker SB, Chlewicki L, Truhlar SME, Davies J, Patel CN, Benschop RJ. Generation and Characterization of Torudokimab (LY3375880): A Monoclonal Antibody That Neutralizes Interleukin-33. J Inflamm Res 2021; 14:3823-3835. [PMID: 34408465 PMCID: PMC8364917 DOI: 10.2147/jir.s320287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/16/2021] [Indexed: 12/13/2022] Open
Abstract
Background Interleukin-33 (IL-33) is an alarmin that is released following cellular damage, mechanical injury, or necrosis. It is a member of the IL-1 family and binds to a heterodimer receptor consisting of ST2 and IL-1RAP to induce the production of a wide range of cellular mediators, including the type 2 cytokines IL-4, IL-5 and IL-13. This relationship has led to the hypothesis that the IL-33/ST2 pathway is a driver of allergic disease and inhibition of the IL-33 and ST2 association could have therapeutic benefit. Methods In this paper, we describe the selection of a phage antibody through the ability to bind human IL-33 and block IL-33/ST2 interaction. This hit antibody was then affinity matured by site-directed mutagenesis of the antibody complementarity-determining regions (CDRs). Further characterization of a fully human monoclonal antibody (mAb), torudokimab (LY3375880) included demonstration of human IL-33 neutralization activity in vitro with an NFκB reporter assay and IL-33 induced mast cell cytokine secretion assay, followed by an in vivo IL-33-induced pharmacodynamic inhibition assay in mice that used IL-5 production as the endpoint. Results Torudokimab is highly specific to IL-33 and does not bind any of the other IL-1 family members. Furthermore, torudokimab binds human and cynomolgus monkey IL-33 with higher affinity than the binding affinity of IL-33 to ST2, but does not bind mouse, rat, or rabbit IL-33. Torudokimab’s half-life in cynomolgous monkey projects monthly dosing in the clinic. Conclusion Due to torudokimab’s high affinity, its ability to completely neutralize IL-33 activity in vitro and in vivo, and the observed cynomolgus monkey pharmacokinetic properties, this molecule was selected for clinical development.
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Affiliation(s)
- Angela J Okragly
- Immunology Research, Eli Lilly and Company, Indianapolis, IN, USA
| | | | - Marikka Elia
- BioTechnology Discovery Research Eli Lilly and Company, San Diego, CA, USA
| | - Dongmei He
- BioTechnology Discovery Research Eli Lilly and Company, San Diego, CA, USA
| | - Oliver Schroeder
- BioTechnology Discovery Research Eli Lilly and Company, San Diego, CA, USA
| | - Qing Zhang
- BioTechnology Discovery Research Eli Lilly and Company, San Diego, CA, USA
| | - Tatiyana Shiyanova
- BioTechnology Discovery Research, Eli Lilly and Company, Indianapolis, IN, USA
| | - Stuart Bright
- Immunology Research, Eli Lilly and Company, Indianapolis, IN, USA
| | | | | | | | - Julian Davies
- BioTechnology Discovery Research Eli Lilly and Company, San Diego, CA, USA
| | - Chetan N Patel
- BioTechnology Discovery Research, Eli Lilly and Company, Indianapolis, IN, USA
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23
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Elst J, van der Poorten MLM, Van Gasse AL, De Puysseleyr L, Hagendorens MM, Faber MA, Van Houdt M, Passante E, Bahri R, Walschot M, Mertens C, Bridts CH, Sabato V, Ebo DG. Mast cell activation tests by flow cytometry: A new diagnostic asset? Clin Exp Allergy 2021; 51:1482-1500. [PMID: 34233046 DOI: 10.1111/cea.13984] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/04/2021] [Indexed: 12/20/2022]
Abstract
Since the late nineties, evidence has accumulated that flow-assisted basophil activation test (BAT) might be an accessible and reliable method to explore the mechanisms governing basophil degranulation and diagnostic allowing correct prediction of the clinical outcome following exposure to the offending allergen(s) and cross-reactive structures for different IgE-dependent allergies and particular forms of autoimmune urticaria. Although the BAT offers many advantages over mediator release tests, it is left with some weaknesses that hinder a wider application. It is preferable to perform the BAT analysis within 4 h of collection, and the technique does not advance diagnosis in patients with non-responsive cells. Besides, the BAT is difficult to standardize mainly because of the difficulty to perform large batch analyses that might span over several days. This article reviews the status of flow cytometric mast cell activation test (MAT) using passively sensitized mast cells (MCs) with patients' sera or plasma (henceforth indicated as passive MAT; pMAT) using both MC lines and cultured MCs in the diagnosis of IgE-dependent allergies. In addition, this paper provides guidance for generating human MCs from peripheral blood CD34+ progenitor cells (PBCMCs) and correct interpretation of flow cytometric analyses of activated and/or degranulating cells. With the recent recognition of the mas-related G protein-coupled receptor X2 (MRGPRX2) occupation as a putative mechanism of immediate drug hypersensitivity reactions (IDHRs), we also speculate how direct activation of MCs (dMAT)-that is direct activation by MRGPRX2 agonists without prior passive sensitization-could advance paradigms for this novel endotype of IDHRs.
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Affiliation(s)
- Jessy Elst
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Marie-Line M van der Poorten
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Athina L Van Gasse
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Leander De Puysseleyr
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Margo M Hagendorens
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Margaretha A Faber
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Michel Van Houdt
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | | | - Rajia Bahri
- Division of Musculoskeletal & Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Mark Walschot
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Christel Mertens
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Chris H Bridts
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Vito Sabato
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
| | - Didier G Ebo
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
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24
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Cultured human mast cells release various chemokines after stimulation with IL-33. Allergol Int 2021; 70:386-388. [PMID: 33583698 DOI: 10.1016/j.alit.2020.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/22/2020] [Accepted: 12/27/2020] [Indexed: 11/20/2022] Open
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25
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Rajani HF, Shahidi S, Gomari MM. Protein and Antibody Engineering: Suppressing Degranulation of the Mast Cells and Type I Hypersensitivity Reaction. Curr Protein Pept Sci 2021; 21:831-841. [PMID: 32392111 DOI: 10.2174/1389203721666200511094717] [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: 01/10/2020] [Revised: 03/09/2020] [Accepted: 04/23/2020] [Indexed: 11/22/2022]
Abstract
With an increase in atopic cases and owing to a significant role of mast cells in type I hypersensitivity, a therapeutic need to inhibit degranulation of mast cells has risen. Mast cells are notorious for IgE-mediated allergic response. Advancements have allowed researchers to improve clinical outcomes of already available therapies. Engineered peptides and antibodies can be easily manipulated to attain desired characteristics as per the biological environment. A number of these molecules are designed to target mast cells in order to regulate the release of histamine and other mediators, thereby controlling type I hypersensitivity response. The aim of this review paper is to highlight some of the significant molecules designed for the purpose.
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Affiliation(s)
- Huda Fatima Rajani
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical
Sciences, Tehran, Iran
| | - Solmaz Shahidi
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Mahmoudi Gomari
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical
Sciences, Tehran, Iran
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26
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Franke K, Wang Z, Zuberbier T, Babina M. Cytokines Stimulated by IL-33 in Human Skin Mast Cells: Involvement of NF-κB and p38 at Distinct Levels and Potent Co-Operation with FcεRI and MRGPRX2. Int J Mol Sci 2021; 22:ijms22073580. [PMID: 33808264 PMCID: PMC8036466 DOI: 10.3390/ijms22073580] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/13/2022] Open
Abstract
The IL-1 family cytokine IL-33 activates and re-shapes mast cells (MCs), but whether and by what mechanisms it elicits cytokines in MCs from human skin remains poorly understood. The current study found that IL-33 activates CCL1, CCL2, IL-5, IL-8, IL-13, and TNF-α, while IL-1β, IL-6, IL-31, and VEGFA remain unaffected in cutaneous MCs, highlighting that each MC subset responds to IL-33 with a unique cytokine profile. Mechanistically, IL-33 induced the rapid (1–2 min) and durable (2 h) phosphorylation of p38, whereas the phosphorylation of JNK was weaker and more transient. Moreover, the NF-κB pathway was potently activated, as revealed by IκB degradation, increased nuclear abundance of p50/p65, and vigorous phosphorylation of p65. The activation of NF-κB occurred independently of p38 or JNK. The induced transcription of the cytokines selected for further study (CCL1, CCL2, IL-8, TNF-α) was abolished by interference with NF-κB, while p38/JNK had only some cytokine-selective effects. Surprisingly, at the level of the secreted protein products, p38 was nearly as effective as NF-κB for all entities, suggesting post-transcriptional involvement. IL-33 did not only instruct skin MCs to produce selected cytokines, but it also efficiently co-operated with the allergic and pseudo-allergic/neurogenic activation networks in the production of IL-8, TNF-α, CCL1, and CCL2. Synergism was more pronounced at the protein than at the mRNA level and appeared stronger for MRGPRX2 ligands than for FcεRI. Our results underscore the pro-inflammatory nature of an acute IL-33 stimulus and imply that especially in combination with allergens or MRGPRX2 agonists, IL-33 will efficiently amplify skin inflammation and thereby aggravate inflammatory dermatoses.
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Affiliation(s)
- Kristin Franke
- Department of Dermatology, Venerology and Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; (K.F.); (Z.W.); (T.Z.)
| | - Zhao Wang
- Department of Dermatology, Venerology and Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; (K.F.); (Z.W.); (T.Z.)
- Department of Dermatology, The Second Affiliated Hospital, Northwest Hospital, Xi’an Jiaotong University, Xi’an 710004, China
| | - Torsten Zuberbier
- Department of Dermatology, Venerology and Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; (K.F.); (Z.W.); (T.Z.)
| | - Magda Babina
- Department of Dermatology, Venerology and Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; (K.F.); (Z.W.); (T.Z.)
- Correspondence: ; Tel.: +49-175-1649-539; Fax: +49-30-45051-8900
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27
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Strattan E, Hildebrandt GC. Mast Cell Involvement in Fibrosis in Chronic Graft-Versus-Host Disease. Int J Mol Sci 2021; 22:2385. [PMID: 33673565 PMCID: PMC7956846 DOI: 10.3390/ijms22052385] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 02/21/2021] [Indexed: 02/07/2023] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (HSCT) is most commonly a treatment for inborn defects of hematopoiesis or acute leukemias. Widespread use of HSCT, a potentially curative therapy, is hampered by onset of graft-versus-host disease (GVHD), classified as either acute or chronic GVHD. While the pathology of acute GVHD is better understood, factors driving GVHD at the cellular and molecular level are less clear. Mast cells are an arm of the immune system that are known for atopic disease. However, studies have demonstrated that they can play important roles in tissue homeostasis and wound healing, and mast cell dysregulation can lead to fibrotic disease. Interestingly, in chronic GVHD, aberrant wound healing mechanisms lead to pathological fibrosis, but the cellular etiology driving this is not well-understood, although some studies have implicated mast cells. Given this novel role, we here review the literature for studies of mast cell involvement in the context of chronic GVHD. While there are few publications on this topic, the papers excellently characterized a niche for mast cells in chronic GVHD. These findings may be extended to other fibrosing diseases in order to better target mast cells or their mediators for treatment of fibrotic disease.
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Affiliation(s)
| | - Gerhard Carl Hildebrandt
- Division of Hematology and Blood & Marrow Transplant, Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA;
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28
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Elst J, Sabato V, van der Poorten MLM, Faber M, Van Gasse AL, De Puysseleyr LP, Bridts CH, Mertens C, Van Houdt M, Maurer M, Hagendorens MM, Ebo DG. Peripheral blood cultured mast cells: Phenotypic and functional outcomes of different culture protocols. J Immunol Methods 2021; 492:113003. [PMID: 33647250 DOI: 10.1016/j.jim.2021.113003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/08/2021] [Accepted: 02/18/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND Mast cells (MCs) play a pivotal role in innate and adaptive immune responses. However, MCs are also involved in different pathologic conditions. Studies on the mechanisms that govern human MC functions are impeded by their limited and difficult recovery. Therefore, several research groups have developed protocols to culture human MCs from progenitor cells. These protocols vary with respect to culture duration and used maturation cytokines. How MCs obtained by different protocols differ in phenotype and functionality is currently unknown. OBJECTIVE To compare different protocols for the generation of human MCs from peripheral blood progenitors. METHODS Thirteen paired human MC cultures were investigated. MCs were cultured form CD34+ progenitors cells for 4 or 8 weeks and with or without the addition of IL-6. Phenotyping comprised staining for CD117, CD203c, FcεRI, MRGPRX2, CD300a and CD32. Functional studies included measurements of the up-regulation of CD63 and CD203c after allergen-specific cross-linking of sIgE/FcεRI complexes or ligation of MRGPRX2 with substance P and different drugs. RESULTS Cell cultures for 4 weeks in the presence of IL-6 consistently yielded the highest numbers of MCs. MCs cultured for 8 weeks with IL-6 showed more autofluorescence significantly impeding correct analyses of FcεRI and CD32. The density of FcεRI and CD32 was comparable between the different culture conditions. MRGPRX2 expression was significantly higher in the 8 week cultures. The density of CD300a was increased in the cultures with IL-6. Cells cultured for 8 weeks were more responsive to MRGPRX2 activation. In contrast, the 4-weeks cultures with IL-6 showed significantly higher allergen-specific activation. CONCLUSION Four weeks of culture with IL-6 are sufficient to generate sizeable numbers of human mast cells from blood progenitors, thereby enabling simultaneous exploration of allergen-specific sIgE/FcεRI cross-linking and non-specific activation via MRGPRX2.
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Affiliation(s)
- Jessy Elst
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Vito Sabato
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium; Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
| | - Marie-Line M van der Poorten
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium; University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Margaretha Faber
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Athina L Van Gasse
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium; University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Leander P De Puysseleyr
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Chris H Bridts
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Christel Mertens
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Michel Van Houdt
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium
| | - Marcus Maurer
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité - Universitätsmedizin Berlin, Germany
| | - Margo M Hagendorens
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium; University of Antwerp, Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Paediatrics, Antwerp University Hospital, Antwerp, Belgium
| | - Didier G Ebo
- University of Antwerp, Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, Antwerp, Belgium; Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium.
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29
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Wang J, Zhang Y, Hu S, Ge S, Jia M, Wang N. Resveratrol inhibits MRGPRX2-mediated mast cell activation via Nrf2 pathway. Int Immunopharmacol 2021; 93:107426. [PMID: 33550032 DOI: 10.1016/j.intimp.2021.107426] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 01/14/2021] [Accepted: 01/19/2021] [Indexed: 02/07/2023]
Abstract
Mast cells (MCs) are crucial effectors in inflammation and allergic reactions. The Mas-related G-protein-coupled receptor X2 (MRGPRX2) was the MC-specific receptor and play a key role in IgE-independent allergic reactions. The activation of the Nuclear factor erythroid derived 2-related factor 2 (Nrf2) is involved in IgE-mediated MC degranulation. Resveratrol (Res) is a polyphenolic compound in red wine and has been reported to exert a variety of pharmacological effects. In the current study, we investigated the effect of Res in regulating MRGPRX2-mediated MC activation and its underlyingmechanism. We demonstrated that Res reduced compound 48/80 (C48/80)-induced calcium flux in MCs and inhibited MCs degranulation in vitro. Res also suppressed C48/80-induced hind paw extravasation, active systemic anaphylaxis, and MCs degranulation in mouse models of pseudo-allergy in vivo. Furthermore, PCR and immunohistochemistry assay suggest that Res up-regulates Nrf2 expression and Nrf2 inhibitor attenuates the protective effects of Res. In conclusion, Res exerts an inhibitory effect on MRGPRX2-mediated MCs activation by targeting Nrf2 pathway and may present a promising new therapeutic agent for the treatment of MRGPRX2-dependent anaphylactoid reactions.
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Affiliation(s)
- Jue Wang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yongjing Zhang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Shiling Hu
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Shuai Ge
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Min Jia
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an 710021, China
| | - Nan Wang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.
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30
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West PW, Bahri R, Garcia-Rodriguez KM, Sweetland G, Wileman G, Shah R, Montero A, Rapley L, Bulfone-Paus S. Interleukin-33 Amplifies Human Mast Cell Activities Induced by Complement Anaphylatoxins. Front Immunol 2021; 11:615236. [PMID: 33597949 PMCID: PMC7882629 DOI: 10.3389/fimmu.2020.615236] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/11/2020] [Indexed: 12/18/2022] Open
Abstract
Both, aberrant mast cell responses and complement activation contribute to allergic diseases. Since mast cells are highly responsive to C3a and C5a, while Interleukin-33 (IL-33) is a potent mast cell activator, we hypothesized that IL-33 critically regulates mast cell responses to complement anaphylatoxins. We sought to understand whether C3a and C5a differentially activate primary human mast cells, and probe whether IL-33 regulates C3a/C5a-induced mast cell activities. Primary human mast cells were generated from peripheral blood precursors or isolated from healthy human lung tissue, and mast cell complement receptor expression, degranulation, mediator release, phosphorylation patterns, and calcium flux were assessed. Human mast cells of distinct origin express constitutively higher levels of C3aR1 than C5aR1, and both receptors are downregulated by anaphylatoxins. While C3a is a potent mast cell degranulation inducer, C5a is a weaker secretagogue with more delayed effects. Importantly, IL-33 potently enhances the human mast cell reactivity to C3a and C5a (degranulation, cytokine and chemokine release), independent of changes in C3a or C5a receptor expression or the level of Ca2+ influx. Instead, this reflects differential dynamics of intracellular signaling such as ERK1/2 phosphorylation. Since primary human mast cells respond differentially to anaphylatoxin stimulation, and that IL-33 is a key regulator of mast cell responses to complement anaphylatoxins, this is likely to aggravate Th2 immune responses. This newly identified cross-regulation may be important for controlling exacerbated complement- and mast cell-dependent Th2 responses and thus provides an additional rationale for targeting anti-IL33 therapeutically in allergic diseases.
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Affiliation(s)
- Peter W. West
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Rajia Bahri
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Karen M. Garcia-Rodriguez
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Georgia Sweetland
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Georgia Wileman
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Rajesh Shah
- Manchester University NHS Foundation Trust, Wythenshawe Hospital, Manchester, United Kingdom
| | - Angeles Montero
- Manchester University NHS Foundation Trust, Wythenshawe Hospital, Manchester, United Kingdom
| | - Laura Rapley
- Adaptive Immunity, GlaxoSmithKline, Stevenage, United Kingdom
| | - Silvia Bulfone-Paus
- Lydia Becker Institute of Immunology and Inflammation, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom,*Correspondence: Silvia Bulfone-Paus,
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31
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Cristinziano L, Poto R, Criscuolo G, Ferrara AL, Galdiero MR, Modestino L, Loffredo S, de Paulis A, Marone G, Spadaro G, Varricchi G. IL-33 and Superantigenic Activation of Human Lung Mast Cells Induce the Release of Angiogenic and Lymphangiogenic Factors. Cells 2021; 10:cells10010145. [PMID: 33445787 PMCID: PMC7828291 DOI: 10.3390/cells10010145] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 02/06/2023] Open
Abstract
Human lung mast cells (HLMCs) express the high-affinity receptor FcεRI for IgE and are strategically located in different compartments of human lung, where they play a role in several inflammatory disorders and cancer. Immunoglobulin superantigens (e.g., protein A of Staphylococcus aureus and protein L of Peptostreptococcus magnus) bind to the variable regions of either the heavy (VH3) or light chain (κ) of IgE. IL-33 is a cytokine expressed by epithelial cells that exerts pleiotropic functions in the lung. The present study investigated whether immunoglobulin superantigens protein A and protein L and IL-33 caused the release of inflammatory (histamine), angiogenic (VEGF-A) and lymphangiogenic (VEGF-C) factors from HLMCs. The results show that protein A and protein L induced the rapid (30 min) release of preformed histamine from HLMCs. By contrast, IL-33 did not induce the release of histamine from lung mast cells. Prolonged incubation (12 h) of HLMCs with superantigens and IL-33 induced the release of VEGF-A and VEGF-C. Preincubation with IL-33 potentiated the superantigenic release of histamine, angiogenic and lymphangiogenic factors from HLMCs. Our results suggest that IL-33 might enhance the inflammatory, angiogenic and lymphangiogenic activities of lung mast cells in pulmonary disorders.
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Affiliation(s)
- Leonardo Cristinziano
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
| | - Remo Poto
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
| | - Gjada Criscuolo
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
| | - Anne Lise Ferrara
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131 Naples, Italy
| | - Maria Rosaria Galdiero
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131 Naples, Italy
| | - Luca Modestino
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
| | - Stefania Loffredo
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131 Naples, Italy
| | - Amato de Paulis
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
| | - Gianni Marone
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131 Naples, Italy
| | - Giuseppe Spadaro
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences, University of Naples Federico II, 80131 Naples, Italy; (L.C.); (R.P.); (G.C.); (A.L.F.); (M.R.G.); (L.M.); (S.L.); (A.d.P.); (G.M.); (G.S.)
- World Allergy Organization (WAO) Center of Excellence, 80131 Naples, Italy
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, 80131 Naples, Italy
- Correspondence:
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32
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Babina M, Wang Z, Franke K, Zuberbier T. Thymic Stromal Lymphopoietin Promotes MRGPRX2-Triggered Degranulation of Skin Mast Cells in a STAT5-Dependent Manner with Further Support from JNK. Cells 2021; 10:cells10010102. [PMID: 33429916 PMCID: PMC7826995 DOI: 10.3390/cells10010102] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/15/2020] [Accepted: 01/06/2021] [Indexed: 12/12/2022] Open
Abstract
Thymic stromal lymphopoietin (TSLP) is released by epithelial cells following disturbed homeostasis to act as “alarmin” and driver of Th2-immunity. Aberrant TSLP expression is a hallmark of atopic diseases, including atopic dermatitis (AD). Mast cells (MCs) are overabundant in AD lesions and show signs of degranulation, but it remains unknown whether TSLP contributes to granule discharge. Degranulation of skin MCs proceeds via two major routes, i.e., FcεRI-dependent (allergic) and MRGPRX2-mediated (pseudo-allergic/neurogenic). Evidence is accumulating that MRGPRX2 may be crucial in the context of skin diseases, including eczema. The current study reveals TSLP as a novel priming factor of human skin MCs. Interestingly, TSLP selectively cooperates with MRGPRX2 to support granule discharge, while it does not impact spontaneous or FcεRI-driven exocytosis. TSLP-assisted histamine liberation triggered by compound 48/80 or Substance P, two canonical MRGPRX2 agonists, was accompanied by an increase in CD107a+ cells (a MC activation marker). The latter process was less potent, however, and detectable only at the later of two time points, suggesting TSLP may prolong opening of the granules. Mechanistically, TSLP elicited phosphorylation of STAT5 and JNK in skin MCs and the reinforced degranulation critically depended on STAT5 activity, while JNK had a contributory role. Results from pharmacological inhibition were confirmed by RNA-interference, whereby silencing of STAT5 completely abolished the priming effect of TSLP on MRGPRX2-mediated degranulation. Collectively, TSLP is the first factor to favor MRGPRX2- over FcεRI-triggered MC activation. The relevance of TSLP, MCs and MRGPRX2 to pruritis and atopic skin pathology indicates broad repercussions of the identified connection.
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Affiliation(s)
- Magda Babina
- Correspondence: ; Tel.: +49-30-1751649539; Fax: +49-30-450518900
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33
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Nuclear Alarmin Cytokines in Inflammation. J Immunol Res 2020; 2020:7206451. [PMID: 33344656 PMCID: PMC7732391 DOI: 10.1155/2020/7206451] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/25/2020] [Accepted: 10/29/2020] [Indexed: 12/11/2022] Open
Abstract
Pathogen-associated molecular patterns (PAMPs) are some nonspecific and highly conserved molecular structures of exogenous specific microbial pathogens, whose products can be recognized by pattern recognition receptor (PRR) on innate immune cells and induce an inflammatory response. Under physiological stress, activated or damaged cells might release some endogenous proteins that can also bind to PRR and cause a harmful aseptic inflammatory response. These endogenous proteins were named damage-associated molecular patterns (DAMPs) or alarmins. Indeed, alarmins can also play a beneficial role in the tissue repair in certain environments. Besides, some alarmin cytokines have been reported to have both nuclear and extracellular effects. This group of proteins includes high-mobility group box-1 protein (HMGB1), interleukin (IL)-33, IL-1α, IL-1F7b, and IL-16. In this article, we review the involvement of nuclear alarmins such as HMGB1, IL-33, and IL-1α under physiological state or stress state and suggest a novel activity of these molecules as central initiators in the development of sterile inflammation.
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Valeri V, Tonon S, Vibhushan S, Gulino A, Belmonte B, Adori M, Karlsson Hedestam GB, Gautier G, Tripodo C, Blank U, Mion F, Pucillo CEM. Mast cells crosstalk with B cells in the gut and sustain IgA response in the inflamed intestine. Eur J Immunol 2020; 51:445-458. [PMID: 32920851 DOI: 10.1002/eji.202048668] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 07/20/2020] [Accepted: 09/11/2020] [Indexed: 12/11/2022]
Abstract
B lymphocytes are among the cell types whose effector functions are modulated by mast cells (MCs). The B/MC crosstalk emerged in several pathological settings, notably the colon of inflammatory bowel disease (IBD) patients is a privileged site in which MCs and IgA+ cells physically interact. Herein, by inducing conditional depletion of MCs in red MC and basophil (RMB) mice, we show that MCs control B cell distribution in the gut and IgA serum levels. Moreover, in dextran sulfate sodium (DSS)-treated RMB mice, the presence of MCs is fundamental for the enlargement of the IgA+ population in the bowel and the increase of systemic IgA production. Since both conventional B-2 and peritoneal-derived B cells populate the intestine and communicate with MCs in physiological conditions and during inflammation, we further explored this interplay through the use of co-cultures. We show that MCs finely regulate different aspects of splenic B cell biology while peritoneal B cells are unresponsive to the supporting effects provided by MCs. Interestingly, peritoneal B cells induce a pro-inflammatory skewing in MCs, characterized by increased ST2 and TNF-α expression. Altogether, this study uncovers the versatility of the B/MC liaison and highlights key aspects for the resolution of intestinal inflammation.
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Affiliation(s)
- Viviana Valeri
- Department of Medicine, University of Udine, Udine, Italy
| | - Silvia Tonon
- Department of Medicine, University of Udine, Udine, Italy
| | - Shamila Vibhushan
- Université de Paris, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Faculté de Médecine site Bichat, Paris, France.,Université de Paris, Laboratoire d'excellence INFLAMEX, Paris, France
| | - Alessandro Gulino
- Department of Health Science, Tumor Immunology Unit, Human Pathology Section, Palermo University School of Medicine, Palermo, Italy
| | - Beatrice Belmonte
- Department of Health Science, Tumor Immunology Unit, Human Pathology Section, Palermo University School of Medicine, Palermo, Italy
| | - Monika Adori
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | | | - Gregory Gautier
- Université de Paris, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Faculté de Médecine site Bichat, Paris, France.,Université de Paris, Laboratoire d'excellence INFLAMEX, Paris, France
| | - Claudio Tripodo
- Department of Health Science, Tumor Immunology Unit, Human Pathology Section, Palermo University School of Medicine, Palermo, Italy
| | - Ulrich Blank
- Université de Paris, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Faculté de Médecine site Bichat, Paris, France.,Université de Paris, Laboratoire d'excellence INFLAMEX, Paris, France
| | - Francesca Mion
- Department of Medicine, University of Udine, Udine, Italy
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Babina M, Wang Z, Roy S, Guhl S, Franke K, Artuc M, Ali H, Zuberbier T. MRGPRX2 Is the Codeine Receptor of Human Skin Mast Cells: Desensitization through β-Arrestin and Lack of Correlation with the FcεRI Pathway. J Invest Dermatol 2020; 141:1286-1296.e4. [PMID: 33058860 DOI: 10.1016/j.jid.2020.09.017] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/23/2020] [Accepted: 09/17/2020] [Indexed: 12/28/2022]
Abstract
Codeine stimulates skin mast cells and is therefore used in skin tests and as an inducer of experimental itch. MRGPRX2 responds to various drugs, including opioids, to elicit pseudoallergic reactions, but whether it represents the main opiate receptor of skin mast cells remains unknown. By combining a number of approaches, including the silencing of MRGPRX2, we now report that MRGPRX2 is indeed the dominant codeine receptor of dermal mast cells. Activation by codeine displayed profound subject variability and correlated with secretion elicited by compound 48/80 or substance P but not by FcεRI aggregation. Degranulation by codeine was attenuated by stem cell factor, whereas the opposite was found for FcεRI. Compound 48/80 or codeine alone was able to achieve maximum MRGPRX2 activation. MRGPRX2 was rapidly internalized on codeine binding in a β-arrestin-1‒dependent manner. Codeine-triggered β-arrestin activation was also established by the Tango assay. Prestimulation with MRGPRX2 agonists (but not C3a or FcεRI aggregation) resulted in refractoriness to further stimulation by the same or another MRGPRX2 ligand (cross desensitization). This was duplicated in a cell line (RBL-MRGPRX2). Collectively, codeine degranulates skin mast cells through MRGPRX2, at which it acts as a balanced ligand. It has yet to be determined whether codeine-induced refractoriness could be exploited to desensitize MRGPRX2 to prevent severe pseudoallergic reactions.
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Affiliation(s)
- Magda Babina
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
| | - Zhao Wang
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Saptarshi Roy
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sven Guhl
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Kristin Franke
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Metin Artuc
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Hydar Ali
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Torsten Zuberbier
- Department of Dermatology and Allergy, Allergy Center Charité, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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Lei A, He Y, Yang Q, Li X, Li R. Role of myeloid cells in the regulation of group 2 innate lymphoid cell-mediated allergic inflammation. Immunology 2020; 161:18-24. [PMID: 32609880 DOI: 10.1111/imm.13232] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/15/2020] [Accepted: 06/20/2020] [Indexed: 12/11/2022] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) are an important component of the innate immune system that execute important effector functions at barrier surfaces, such as lung and skin. Like T helper type 2 cells, ILC2s are able to release high amounts of type 2 cytokines that are essential in inducing allergic inflammation and eliminating helminth infections. The past few years have contributed to our better understanding of the interactions between ILC2s and other cells of the immune system via soluble factors or in a cell-cell contact manner. Myeloid cells, including mononuclear leukocytes and polymorphonuclear leukocytes, are excellent sensors of tissue damage and infection and can influence ILC2 responses in the process of allergic inflammation. In this review, we summarize recent insights on how myeloid cell subsets regulate ILC2 activation with focus on soluble factors in the context of allergic inflammation.
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Affiliation(s)
- Aihua Lei
- Institute of Pathogenic Biology, Hengyang Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Yumei He
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Qiong Yang
- Chronic Disease Laboratory, Institutes for Life Sciences and School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaofang Li
- Institute of Pathogenic Biology, Hengyang Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Ranhui Li
- Institute of Pathogenic Biology, Hengyang Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
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38
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Wang J, Zhang Y, Che D, Zeng Y, Wu Y, Qin Q, Wang N. Baicalin induces Mrgprb2-dependent pseudo-allergy in mice. Immunol Lett 2020; 226:55-61. [PMID: 32707128 DOI: 10.1016/j.imlet.2020.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 06/05/2020] [Accepted: 07/16/2020] [Indexed: 12/19/2022]
Abstract
Baicalin, a component of traditional Chinese medicine, is one of the main compounds present in Scutellaria baicalensis Georgi. Pseudo-allergy induced by the injection of these medicines is a frequent adverse drug reaction. Therefore, elucidation of the anaphylactoid reaction of baicalin and its underlying mechanisms are important. Mast cells are primary effectors of allergic reactions, including pseudo-allergy. Studies have shown that Mrgprx2 in human mast cells is a specific receptor that is crucial for pseudo-allergic drug reactions, Mrgprb3 is the rat ortholog of human Mrgprx2, which in mice is designated as Mrgprb2. Here, we aimed to investigate baicalin-induced pseudo-allergy and the association of Mrgprb3 and Mrgprb2 with this effect. We examined the allergenic effect of baicalin on RBL-2H3 cells and Mrgprb3-knockdown RBL-2H3 cells. Mrgprb2-expressing HEK293 cells and Mrgprb2-knockout mice were used to evaluate the role of Mrgprb2 in baicalin-induced allergy. Baicalin was found to dose-dependently induce pseudo-allergy both in vitro and in vivo. RBL-2H3 cells were activated by baicalin, whereas in Mrgprb3-knockout RBL-2H3 cells, baicalin showed a negligible effect on cell activation. Furthermore, baicalin activated the Mrgprb2-expressing HEK293 cells. Our data showed that baicalin did not induce allergy in Mpgprb2-knockout mice. We conclude that baicalin induces pseudo-allergy via Mrgprb2 in mice.
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Affiliation(s)
- Jue Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yongjing Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Delu Che
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yingnan Zeng
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yuanyuan Wu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qiaohong Qin
- Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, 710021, China
| | - Nan Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, 710061, China.
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Zhou Z, Yan F, Liu O. Interleukin (IL)-33: an orchestrator of immunity from host defence to tissue homeostasis. Clin Transl Immunology 2020; 9:e1146. [PMID: 32566227 PMCID: PMC7299676 DOI: 10.1002/cti2.1146] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 05/24/2020] [Accepted: 05/28/2020] [Indexed: 02/06/2023] Open
Abstract
Interleukin (IL)-33, a member of the IL-1 superfamily, functions as an alarm signal, which is released upon cell injury or tissue damage to alert the immune system. It has emerged as a chief orchestrator in immunity and has a broad pleiotropic action that influences differentiation, maintenance and function of various immune cell types via the ST2 receptor. Although it has been strongly associated with immunopathology, critically, IL-33 is involved in host defence, tissue repair and homeostasis. In this review, we provide an overview of the signalling pathway of IL-33 and highlight its regulatory functions in immune cells. Furthermore, we attempt a broader discussion of the emerging functions of IL-33 in host defence, tissue repair, metabolism, inflammatory disease and cancer, suggesting potential avenues to manoeuvre IL-33/ST2 signalling as treatment options.
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Affiliation(s)
- Zekun Zhou
- Hunan Key Laboratory of Oral Health Research & Hunan 3D Printing Engineering Research Center of Oral Care & Hunan Clinical Research Center of Oral Major Diseases and Oral Health & Xiangya Stomatological Hospital & Xiangya School of Stomatology Central South University Changsha Hunan China
| | - Fei Yan
- Hunan Key Laboratory of Oral Health Research & Hunan 3D Printing Engineering Research Center of Oral Care & Hunan Clinical Research Center of Oral Major Diseases and Oral Health & Xiangya Stomatological Hospital & Xiangya School of Stomatology Central South University Changsha Hunan China
| | - Ousheng Liu
- Hunan Key Laboratory of Oral Health Research & Hunan 3D Printing Engineering Research Center of Oral Care & Hunan Clinical Research Center of Oral Major Diseases and Oral Health & Xiangya Stomatological Hospital & Xiangya School of Stomatology Central South University Changsha Hunan China
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Komi DEA, Mortaz E, Amani S, Tiotiu A, Folkerts G, Adcock IM. The Role of Mast Cells in IgE-Independent Lung Diseases. Clin Rev Allergy Immunol 2020; 58:377-387. [PMID: 32086776 PMCID: PMC7244458 DOI: 10.1007/s12016-020-08779-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mast cells (MCs) are granular cells of the innate immune system which develop from CD34+/CD117+ progenitors and play a role in orchestrating adaptive immune responses. They have a well-known role in allergic reactions following immunoglobulin (Ig)E-mediated activation of the cell-surface expressed IgE high-affinity receptor (FcεRI). MCs can also respond to various other stimuli due to the expression of a variety of receptors including toll-like receptors (TLRs), immunoglobulin (IgG) receptors (FcγR), complement receptors such as C5a (CD88) expressed by skin MCs, neuropeptides receptors including nerve growth factor receptor, (NGFR), cytokines receptors such as (IL)-1R and IL-3R, and chemokines receptors including CCR-1 and CCR-3. MCs release three groups of mediators upon degranulation differentiated according to their chemical composition, storage, and time to release. These include preformed mediators (mainly histamine, tryptase, and chymase), de novo synthesized mediators such as prostaglandin (PG)D2, leukotriene (LT)B4 and LTD4, and cytokines including IL-1β, IL-3, tumor necrosis factor (TNF)α, and transforming growth factor(TGF)-β. Emerging evidence indicates a role for IgE-independent MC activation in the late-stage asthmatic response as well as in non-allergic airway diseases including chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis (IPF), and lung cancer. MC infiltration/activation has been reported in some, but not all, studies of lung cancer. MC-derived TNF-α possesses tumor-suppressive activity while IL-1β supports tumor progression and metastasis. In IPF lungs, an increase in density of tryptase- and chymase-positive MCs (MCTC) and overexpression of TGF-β support the fibrosis progression. MC-derived chymase activates latent TGF-β that induces the differentiation of fibroblasts to matrix-producing myofibroblasts. In summary, increasing evidence highlights a critical role of MCs in non-allergic diseases that may indicate new approaches for therapy.
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Affiliation(s)
- Daniel Elieh Ali Komi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Esmaeil Mortaz
- Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Saeede Amani
- Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Angelica Tiotiu
- Respiratory Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Gert Folkerts
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Ian M Adcock
- Respiratory Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
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Kortekaas Krohn I, Seys SF, Lund G, Jonckheere A, Dierckx de Casterlé I, Ceuppens JL, Steelant B, Hellings PW. Nasal epithelial barrier dysfunction increases sensitization and mast cell degranulation in the absence of allergic inflammation. Allergy 2020; 75:1155-1164. [PMID: 31769882 DOI: 10.1111/all.14132] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/21/2019] [Accepted: 10/07/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Increased epithelial permeability has been reported in allergic rhinitis, with histamine and type-2 inflammation being responsible for tight junction dysfunction. The impact of an epithelial barrier defect on allergic sensitization and mast cell (MC) degranulation remains speculative. METHODS Transepithelial passage of allergens was evaluated on primary human nasal epithelial cell cultures. Active sensitization was attempted by repeated intranasal ovalbumin (OVA) applications in Naïve mice. In a passive sensitization model, mice were injected with IgE to Dermatophagoides pteronyssinus (rDer p)2 and then exposed intranasally to the allergen. Chitosan was used to disrupt nasal epithelial integrity in vitro and in vivo. RESULTS Chitosan strongly reduced transepithelial electrical resistance and facilitated transepithelial allergen passage in cultured primary nasal epithelial cells. In vivo, intranasal chitosan affected occludin expression and facilitated allergen passage. After epithelial barrier disruption, intranasal OVA application induced higher OVA-specific IgG1 and total IgE in serum, and increased eosinophilia and interleukin-5 in bronchoalveolar lavage (BAL) compared to sham-OVA mice. Chitosan exposure, prior to rDer p2 allergen challenge in passively sensitized mice, resulted in increased β-hexosaminidase levels in serum and BAL compared to sham-rDer p2 mice. Intranasal treatment with the synthetic glucocorticoid fluticasone propionate prevented chitosan-induced barrier dysfunction, allergic sensitization, and MC degranulation. CONCLUSION Epithelial barrier dysfunction facilitates transepithelial allergen passage, allergic sensitization, and allergen-induced MC degranulation even in the absence of inflammatory environment. These results emphasize the crucial role of an intact epithelial barrier in prevention of allergy.
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Affiliation(s)
- Inge Kortekaas Krohn
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
| | - Sven F. Seys
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
- European Forum for Research and Education in Allergy and Airway Diseases (EUFOREA) Brussels Belgium
| | | | - Anne‐Charlotte Jonckheere
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
| | - Isabelle Dierckx de Casterlé
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
| | - Jan L. Ceuppens
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
| | - Brecht Steelant
- Department of Microbiology, Immunology and Transplantation Allergy and Clinical Immunology Research group KU Leuven Leuven Belgium
| | - Peter W. Hellings
- Clinical Division of Otorhinolaryngology, Head and Neck Surgery University Hospitals Leuven Leuven Belgium
- Clinical Division of Otorhinolaryngology, Head and Neck Surgery Academic Medical Center Amsterdam The Netherlands
- Faculty of Medicine and Health Sciences University of Ghent Ghent Belgium
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Ryan N, Anderson K, Volpedo G, Varikuti S, Satoskar M, Satoskar S, Oghumu S. The IL-33/ST2 Axis in Immune Responses Against Parasitic Disease: Potential Therapeutic Applications. Front Cell Infect Microbiol 2020; 10:153. [PMID: 32363166 PMCID: PMC7180392 DOI: 10.3389/fcimb.2020.00153] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/23/2020] [Indexed: 12/15/2022] Open
Abstract
Parasitic infections pose a wide and varying threat globally, impacting over 25% of the global population with many more at risk of infection. These infections are comprised of, but not limited to, toxoplasmosis, malaria, leishmaniasis and any one of a wide variety of helminthic infections. While a great deal is understood about the adaptive immune response to each of these parasites, there remains a need to further elucidate the early innate immune response. Interleukin-33 is being revealed as one of the earliest players in the cytokine milieu responding to parasitic invasion, and as such has been given the name "alarmin." A nuclear cytokine, interleukin-33 is housed primarily within epithelial and fibroblastic tissues and is released upon cellular damage or death. Evidence has shown that interleukin-33 seems to play a crucial role in priming the immune system toward a strong T helper type 2 immune response, necessary in the clearance of some parasites, while disease exacerbating in the context of others. With the possibility of being a double-edged sword, a great deal remains to be seen in how interleukin-33 and its receptor ST2 are involved in the immune response different parasites elicit, and how those parasites may manipulate or evade this host mechanism. In this review article we compile the current cutting-edge research into the interleukin-33 response to toxoplasmosis, malaria, leishmania, and helminthic infection. Furthermore, we provide insight into directions interleukin-33 research may take in the future, potential immunotherapeutic applications of interleukin-33 modulation and how a better clarity of early innate immune system responses involving interleukin-33/ST2 signaling may be applied in development of much needed treatment options against parasitic invaders.
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Affiliation(s)
- Nathan Ryan
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Division of Anatomy, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Kelvin Anderson
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Greta Volpedo
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Department of Microbiology, The Ohio State University, Columbus, OH, United States
| | - Sanjay Varikuti
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Monika Satoskar
- Northeast Ohio Medical University, Rootstown, OH, United States
| | - Sanika Satoskar
- Northeast Ohio Medical University, Rootstown, OH, United States
| | - Steve Oghumu
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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Du X, Li C, Wang W, Huang Q, Wang J, Tong Z, Huang K, Chen Y, Yuan H, Lv Z, Corrigan CJ, Wang W, Ying S. IL-33 induced airways inflammation is partially dependent on IL-9. Cell Immunol 2020; 352:104098. [PMID: 32241531 DOI: 10.1016/j.cellimm.2020.104098] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/07/2020] [Accepted: 03/26/2020] [Indexed: 12/30/2022]
Abstract
Asthma is an inflammatory disease of the airways and numerous cytokines contribute to this pathogenesis. It is shown that challenge of airways with IL-33 induces asthma-like pathological changes in mice, but the possible downstream cytokines in this process remain to be characterised. To explore this, we compared changes in the airways of wildtype (WT) and IL-9 deficient mice challenged with IL-33. In line with previous report, per-nasal challenge of WT mice with IL-33 significantly increased the responsiveness of the airways along with infiltration of inflammatory cells, goblet cell hyperplasia, collagen deposition and smooth muscle hypertrophy, and the expression of cytokines compared with control group. Surprisingly, all of these pathological changes were significantly attenuated in IL-9 deficient mice following identical IL-33 challenge. These data suggest that IL-9 is one downstream cytokine relevant to the effects of IL-33 in asthmatic airways and consequently a potential therapeutic target for the treatment of asthma.
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Affiliation(s)
- Xiaonan Du
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Chenduo Li
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Wenjun Wang
- Department of Respiratory and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University & Beijing Institute of Respiratory Medicine, Beijing, China
| | - Qiong Huang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Jingjing Wang
- Department of Laboratory Animal Sciences, Capital Medical University, Beijing, China
| | - Zhaohui Tong
- Department of Respiratory and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University & Beijing Institute of Respiratory Medicine, Beijing, China
| | - Kewu Huang
- Department of Respiratory and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University & Beijing Institute of Respiratory Medicine, Beijing, China
| | - Yan Chen
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Huihui Yuan
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Zhe Lv
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Chris J Corrigan
- Faculty of Life Sciences & Medicine, School of Immunology & Microbial Sciences, Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, UK
| | - Wei Wang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Sun Ying
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
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Lyons DO, Pullen NA. Beyond IgE: Alternative Mast Cell Activation Across Different Disease States. Int J Mol Sci 2020; 21:ijms21041498. [PMID: 32098318 PMCID: PMC7073060 DOI: 10.3390/ijms21041498] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 02/20/2020] [Accepted: 02/21/2020] [Indexed: 12/14/2022] Open
Abstract
Mast cells are often regarded through the lens of IgE-dependent reactions as a cell specialized only for anti-parasitic and type I hypersensitive responses. However, recently many researchers have begun to appreciate the expansive repertoire of stimuli that mast cells can respond to. After the characterization of the interleukin (IL)-33/suppression of tumorigenicity 2 (ST2) axis of mast cell activation-a pathway that is independent of the adaptive immune system-researchers are revisiting other stimuli to induce mast cell activation and/or subsequent degranulation independent of IgE. This discovery also underscores that mast cells act as important mediators in maintaining body wide homeostasis, especially through barrier defense, and can thus be the source of disease as well. Particularly in the gut, inflammatory bowel diseases (Crohn's disease, ulcerative colitis, etc.) are characterized with enhanced mast cell activity in the context of autoimmune disease. Mast cells show phenotypic differences based on tissue residency, which could manifest as different receptor expression profiles, allowing for unique mast cell responses (both IgE and non-IgE mediated) across varying tissues as well. This variety in receptor expression suggests mast cells respond differently, such as in the gut where immunosuppressive IL-10 stimulates the development of food allergy or in the lungs where transforming growth factor-β1 (TGF-β1) can enhance mast cell IL-6 production. Such differences in receptor expression illustrate the truly diverse effector capabilities of mast cells, and careful consideration must be given toward the phenotype of mast cells observed in vitro. Given mast cells' ubiquitous tissue presence and their capability to respond to a broad spectrum of non-IgE stimuli, it is expected that mast cells may also contribute to the progression of autoimmune disorders and other disease states such as metastatic cancer through promoting chronic inflammation in the local tissue microenvironment and ultimately polarizing toward a unique Th17 immune response. Furthermore, these interconnected, atypical activation pathways may crosstalk with IgE-mediated signaling differently across disorders such as parasitism, food allergies, and autoimmune disorders of the gut. In this review, we summarize recent research into familiar and novel pathways of mast cells activation and draw connections to clinical human disease.
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45
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Mast Cells: Fascinating but Still Elusive after 140 Years from Their Discovery. Int J Mol Sci 2020; 21:ijms21020464. [PMID: 31940755 PMCID: PMC7013937 DOI: 10.3390/ijms21020464] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/07/2020] [Accepted: 01/08/2020] [Indexed: 12/21/2022] Open
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Parveen S, Saravanan DB, Saluja R, Elden BT. IL-33 mediated amplification of allergic response in human mast cells. J Recept Signal Transduct Res 2019; 39:359-367. [PMID: 31755331 DOI: 10.1080/10799893.2019.1690515] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Context: IL-33 is a pro-inflammatory cytokine that is involved in the development of chronic inflammatory diseases and the initiation of allergic inflammation in response to pathogens and acts an alarmin.Objective: Present study aims to explore the IL-33 mediated effects of histamine induced allergic inflammation in human mast cells.Materials and methods: In this study, cord blood derived CD34+ mast cells and HMC-1 cells were primed with IL-33 followed by the stimulation with histamine. We investigated the functional activation of mast cell by intracellular calcium release using calcium mobilization assay, release of granular content using degranulation assay, profiling of various inflammatory and regulatory cytokines as well as chemokines by Luminex Bioplex assay and its signaling mechanisms involved using western blot analysis.Results: In our study, we found that the IL-33 acts as a mediator in the allergic inflammation induced by the histamine. IL-33 potentiates the release of intracellular calcium and degranulation content in human mast cells. Also, it enhances the production of Th2, Th1 cytokines and chemokines and down-regulates the production of regulatory cytokine. Furthermore, it enhanced the phosphorylation of the signaling molecules such as ERK, Akt, and NFκB in activated mast cells. Therefore, IL-33 acts as a potent activator of mast cells and it can elicit inflammatory response synergistically with histamine.Conclusions: Taken together, IL-33 acts as a potent mediator by inducing the inflammatory response in activated mast cells, hence increasing their responsiveness to antigens and amplifying the allergic response.
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Affiliation(s)
- Shahana Parveen
- Department of Biotechnology, School of Bio-Engineering, SRM Institute of Science and Technology, Chennai, India
| | - Dhivya Bharathi Saravanan
- Department of Biotechnology, School of Bio-Engineering, SRM Institute of Science and Technology, Chennai, India
| | - Rohit Saluja
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, India.,Department of Biochemistry, All India Institute of Medical Sciences, Bibinagar, India
| | - Berla Thangam Elden
- Department of Biotechnology, School of Bio-Engineering, SRM Institute of Science and Technology, Chennai, India
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Cildir G, Toubia J, Yip KH, Zhou M, Pant H, Hissaria P, Zhang J, Hong W, Robinson N, Grimbaldeston MA, Lopez AF, Tergaonkar V. Genome-wide Analyses of Chromatin State in Human Mast Cells Reveal Molecular Drivers and Mediators of Allergic and Inflammatory Diseases. Immunity 2019; 51:949-965.e6. [PMID: 31653482 DOI: 10.1016/j.immuni.2019.09.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 02/18/2019] [Accepted: 09/25/2019] [Indexed: 12/21/2022]
Abstract
Mast cells (MCs) are versatile immune cells capable of rapidly responding to a diverse range of extracellular cues. Here, we mapped the genomic and transcriptomic changes in human MCs upon diverse stimuli. Our analyses revealed broad H3K4me3 domains and enhancers associated with activation. Notably, the rise of intracellular calcium concentration upon immunoglobulin E (IgE)-mediated crosslinking of the high-affinity IgE receptor (FcεRI) resulted in genome-wide reorganization of the chromatin landscape and was associated with a specific chromatin signature, which we term Ca2+-dependent open chromatin (COC) domains. Examination of differentially expressed genes revealed potential effectors of MC function, and we provide evidence for fibrinogen-like protein 2 (FGL2) as an MC mediator with potential relevance in chronic spontaneous urticaria. Disease-associated single-nucleotide polymorphisms mapped onto cis-regulatory regions of human MCs suggest that MC function may impact a broad range of pathologies. The datasets presented here constitute a resource for the further study of MC function.
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Affiliation(s)
- Gökhan Cildir
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia; Laboratory of NF-κB Signaling, Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - John Toubia
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia; ACRF Cancer Genomics Facility, Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia
| | - Kwok Ho Yip
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia
| | - Mingyan Zhou
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia
| | - Harshita Pant
- School of Medicine, University of Adelaide, Adelaide, SA, Australia
| | | | - Jingxian Zhang
- Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Wanjin Hong
- Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore
| | - Nirmal Robinson
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia
| | | | - Angel F Lopez
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia
| | - Vinay Tergaonkar
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA 5000, Australia; Laboratory of NF-κB Signaling, Institute of Molecular and Cell Biology (IMCB), 61 Biopolis Drive, Proteos, Singapore 138673, Singapore; Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119074, Singapore.
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Varricchi G, de Paulis A, Marone G, Galli SJ. Future Needs in Mast Cell Biology. Int J Mol Sci 2019; 20:E4397. [PMID: 31500217 PMCID: PMC6769913 DOI: 10.3390/ijms20184397] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/02/2019] [Accepted: 09/04/2019] [Indexed: 12/14/2022] Open
Abstract
The pathophysiological roles of mast cells are still not fully understood, over 140 years since their description by Paul Ehrlich in 1878. Initial studies have attempted to identify distinct "subpopulations" of mast cells based on a relatively small number of biochemical characteristics. More recently, "subtypes" of mast cells have been described based on the analysis of transcriptomes of anatomically distinct mouse mast cell populations. Although mast cells can potently alter homeostasis, in certain circumstances, these cells can also contribute to the restoration of homeostasis. Both solid and hematologic tumors are associated with the accumulation of peritumoral and/or intratumoral mast cells, suggesting that these cells can help to promote and/or limit tumorigenesis. We suggest that at least two major subsets of mast cells, MC1 (meaning anti-tumorigenic) and MC2 (meaning pro-tumorigenic), and/or different mast cell mediators derived from otherwise similar cells, could play distinct or even opposite roles in tumorigenesis. Mast cells are also strategically located in the human myocardium, in atherosclerotic plaques, in close proximity to nerves and in the aortic valve. Recent studies have revealed evidence that cardiac mast cells can participate both in physiological and pathological processes in the heart. It seems likely that different subsets of mast cells, like those of cardiac macrophages, can exert distinct, even opposite, effects in different pathophysiological processes in the heart. In this chapter, we have commented on possible future needs of the ongoing efforts to identify the diverse functions of mast cells in health and disease.
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Affiliation(s)
- Gilda Varricchi
- Department of Translational Medical Sciences (DISMET), University of Naples Federico II, 80138 Naples, Italy.
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, School of Medicine, 80138 Naples, Italy.
- WAO Center of Excellence, 80138 Naples, Italy.
| | - Amato de Paulis
- Department of Translational Medical Sciences (DISMET), University of Naples Federico II, 80138 Naples, Italy.
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, School of Medicine, 80138 Naples, Italy.
- WAO Center of Excellence, 80138 Naples, Italy.
| | - Gianni Marone
- Department of Translational Medical Sciences (DISMET), University of Naples Federico II, 80138 Naples, Italy.
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, School of Medicine, 80138 Naples, Italy.
- WAO Center of Excellence, 80138 Naples, Italy.
- Institute of Experimental Endocrinology and Oncology "Gaetano Salvatore" (IEOS), National Research Council (CNR), 80138 Naples, Italy.
| | - Stephen J Galli
- Departments of Pathology and of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305-5176, USA.
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Johansson K, McSorley HJ. Interleukin-33 in the developing lung-Roles in asthma and infection. Pediatr Allergy Immunol 2019; 30:503-510. [PMID: 30734382 DOI: 10.1111/pai.13040] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/06/2019] [Accepted: 01/08/2019] [Indexed: 02/07/2023]
Abstract
It has become increasingly clear that interleukin-33 (IL-33) plays a crucial role in initiation of type 2 immunity. The last decade of intense research has uncovered multiple mechanisms through which IL-33 targets key effector cells of the allergic immune response. Recently, IL-33 has been implicated in shaping the immune system of the lungs early in life, at a time which is crucial in the subsequent development of allergic asthma. In this review, we will address the current literature describing the role of IL-33 in the healthy and diseased lung. In particular, we will focus on the evidence for IL-33 in the development of immune responses in the lung, including the role of IL-33-responsive immune cells that may explain susceptibility to allergic sensitization at a young age and the association between genetic variants of IL-33 and asthma in humans. Finally, we will indicate areas for potential therapeutic modulation of the IL-33 pathway.
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Affiliation(s)
- Kristina Johansson
- Department of Microbiology and Immunology, Sandler Asthma Basic Research Center, University of California, San Francisco, California.,Department of Medicine, University of California, San Francisco, California
| | - Henry J McSorley
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
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Rönnberg E, Ghaib A, Ceriol C, Enoksson M, Arock M, Säfholm J, Ekoff M, Nilsson G. Divergent Effects of Acute and Prolonged Interleukin 33 Exposure on Mast Cell IgE-Mediated Functions. Front Immunol 2019; 10:1361. [PMID: 31275312 PMCID: PMC6593472 DOI: 10.3389/fimmu.2019.01361] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 05/29/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Epithelial cytokines, including IL-33 and Thymic stromal lymphopoietin (TSLP), have attracted interest because of their roles in chronic allergic inflammation-related conditions such as asthma. Mast cells are one of the major targets of IL-33, to which they respond by secreting cytokines. Most studies performed thus far have investigated the acute effects of IL-33 on mast cells. In the current study, we investigated how acute vs. prolonged exposure of mast cells to IL-33 and TSLP affects mediator synthesis and IgE-mediated activation. Methods: Human lung mast cells (HLMCs), cord blood-derived mast cells (CBMCs), and the ROSA mast cell line were used for this study. Receptor expression and the levels of mediators were measured after treatment with IL-33 and/or TSLP. Results: IL-33 induced the release of cytokines. Prolonged exposure to IL-33 increased while TSLP reduced intracellular levels of tryptase. Acute IL-33 treatment strongly potentiated IgE-mediated activation. In contrast, 4 days of exposure to IL-33 decreased IgE-mediated activation, an effect that was accompanied by a reduction in FcεRI expression. Conclusion: We show that IL-33 plays dual roles in mast cells, in which its acute effects include cytokine release and the potentiation of IgE-mediated degranulation, whereas prolonged exposure to IL-33 reduces IgE-mediated activation. We conclude that mast cells act quickly in response to the alarmin IL-33 to initiate an acute inflammatory response, whereas extended exposure to IL-33 during prolonged inflammation reduces IgE-mediated responses. This negative feedback effect suggests the presence of a novel regulatory pathway that modulates IgE-mediated human mast cell responses.
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Affiliation(s)
- Elin Rönnberg
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
| | - Avan Ghaib
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
- Department of Microbiology, College of Medicine, University of Sulaimani, Sulaimani, Iraq
| | - Carlos Ceriol
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
| | - Mattias Enoksson
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
| | - Michel Arock
- Molecular and Cellular Oncology, LBPA CNRS UMR 8113, Ecole Normale Supérieure de Cachan, Cachan, France
- Laboratoire Central d'Hématologie, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
| | - Jesper Säfholm
- The Unit for Asthma and Allergy Research, The Institute of Environmental Medicine, Karolinska Institutet, Solna, Sweden
| | - Maria Ekoff
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
| | - Gunnar Nilsson
- Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Solna, Sweden
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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