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Duchesne E, Dufresne SS, Dumont NA. Impact of Inflammation and Anti-inflammatory Modalities on Skeletal Muscle Healing: From Fundamental Research to the Clinic. Phys Ther 2017; 97:807-817. [PMID: 28789470 DOI: 10.1093/ptj/pzx056] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 05/12/2017] [Indexed: 02/07/2023]
Abstract
Anti-inflammatory modalities are commonly used for the treatment of various musculoskeletal injuries. Although inflammation was originally believed to interfere with skeletal muscle regeneration, several recent studies have highlighted the beneficial effects of inflammatory cells on muscle healing. This discrepancy is attributable to an evolving understanding of the complex inflammatory process. To better appreciate the paradoxical roles of inflammation, clinicians must have a better comprehension of the fundamental mechanisms regulating the inflammatory response. In this perspective article, cellular, animal, and human studies were analyzed to summarize recent knowledge regarding the impact of inflammation on muscle regeneration in acute or chronic conditions. The effect of anti-inflammatory drugs on the treatment of various muscle injuries was also considered. Overall, this work aims to summarize the current state of the literature on the inflammatory process associated with muscle healing in order to give clinicians the necessary tools to have a more efficient and evidence-based approach to the treatment of muscle injuries and disorders.
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Affiliation(s)
- Elise Duchesne
- Département des Sciences de la Santé, Université du Québec à Chicoutimi, Saguenay, Quebec, Canada; and Groupe de Recherche Interdisciplinaire sur les Maladies Neuromusculaires, Centre Intégré Universitaire de Santé et de Services Sociaux du Saguenay-Lac-St-Jean, Saguenay, Quebec, Canada
| | - Sébastien S Dufresne
- Département des Sciences de la Santé, Université du Québec à Chicoutimi, Saguenay, Quebec, Canada; and CHU de Québec Research Center, Quebec City, Quebec, Canada; and Faculty of Medicine, Université Laval, Quebec City, Quebec, Canada
| | - Nicolas A Dumont
- Musculoskeletal Diseases and Rehabilitation Department, Ste-Justine Hospital Research Center, Montreal, Quebec, Canada; and Department of Rehabilitation, Faculty of Medicine, Université de Montréal, Montreal, Quebec, Canada
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152
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Chakraborty S, Kar N, Kumari L, De A, Bera T. Inhibitory effect of a new orally active cedrol-loaded nanostructured lipid carrier on compound 48/80-induced mast cell degranulation and anaphylactic shock in mice. Int J Nanomedicine 2017; 12:4849-4868. [PMID: 28744120 PMCID: PMC5511028 DOI: 10.2147/ijn.s132114] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Type I hypersensitivity is an allergic reaction characterized by the overactivity of the immune system provoked by normally harmless substances. Glucocorticoids, anti-histamines, or mast cell stabilizers are the choices of treatment for type I hypersensitivity. Even though these drugs have the anti-allergic effect, they can have several side effects in prolong use. Cedrol is the main bioactive compound of Cedrus atlantica with anti-tumor, anti-oxidative, and platelet-activating factor inhibiting properties. METHODS In this study, the preparation and anti-anaphylactic effect of cedrol-loaded nanostructured lipid carriers (NLCs) were evaluated. NLCs were prepared using Compritol® 888 ATO and triolein as lipid phase and vitamin E d-α-tocopherylpolyethyleneglycol 1000 succinate, soya lecithin, and sodium deoxycholate as nanoparticle stabilizers. RESULTS The average diameter of cedrol-NLCs (CR-NLCs) was 71.2 nm (NLC-C1) and 91.93 nm (NLC-C2). The particle had negative zeta potential values of -31.9 mV (NLC-C1) and -44.5 mV (NLC-C2). Type I anaphylactoid reaction in the animal model is significantly reduced by cedrol and cedrol-NLC. This in vivo activity of cedrol resulted that cedrol suppressed compound 48/80-induced peritoneal mast cell degranulation and histamine release from mast cells. Furthermore, compound 48/80-evoked Ca2+ uptake into mast cells was reduced in a dose-dependent manner by cedrol and cedrol-NLC. Studies confirmed that the inhibition of type I anaphylactoid response in vivo in mice and compound 48/80-induced mast cell activation in vitro are greatly enhanced by the loading of cedrol into the NLCs. The safety of cedrol and CR-NLC was evaluated as selectivity index (SI) with prednisolone and cromolyn sodium as positive control. SI of CR-NLC-C2 was found to be 11.5-fold greater than both prednisolone and cromolyn sodium. CONCLUSION Administration of CR-NLC 24 hours before the onset of anaphylaxis can prevent an anaphylactoid reaction. NLCs could be a promising vehicle for the oral delivery of cedrol to protect anaphylactic reactions.
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Affiliation(s)
- Shreyasi Chakraborty
- Laboratory of Nanomedicine, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Nabanita Kar
- Laboratory of Nanomedicine, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Leena Kumari
- Laboratory of Nanomedicine, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Asit De
- Laboratory of Nanomedicine, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Tanmoy Bera
- Laboratory of Nanomedicine, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
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153
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Gómez González NE, Cabas I, Montero J, García Alcázar A, Mulero V, García Ayala A. Histamine and mast cell activator compound 48/80 are safe but inefficient systemic adjuvants for gilthead seabream vaccination. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 72:1-8. [PMID: 28193449 DOI: 10.1016/j.dci.2017.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 02/08/2017] [Accepted: 02/08/2017] [Indexed: 06/06/2023]
Abstract
Histamine has a key role in the regulation of inflammatory and innate immune responses in vertebrates. Gilthead seabream (Sparus aurata L.), a marine hermaphrodite teleost of great commercial value, was the first fish species shown to possess histamine-containing mast cells (MCs) at mucosal tissues. MCs are highly abundant in the peritoneal exudate of gilthead seabream and compound 48/80 (Co 48/80), often used to promote MC activation and histamine release, is able to promote histamine release from gilthead seabream MCs in vitro and in vivo. The aim of the present study was to analyze the effect of histamine and Co 48/80 on the immune responses of gilthead seabream. For this purpose, histamine and Co 48/80 were intraperitoneally injected alone or combined with 109 heat-killed Vibrio anguillarum cells and their effects on head kidney and peritoneal exudate were analyzed. The results indicated that although histamine and Co 48/80 were both able to alter the percentage of peritoneal exudate and head kidney immune cell types, only Co 48/80 increased reactive oxygen species production by peritoneal leukocytes. In addition, histamine, but not Co 48/80, was able to slightly impair the humoral adaptive immune response, i.e. production of specific IgM to V. anguillarum. Notably, both histamine and Co 48/80 reduced the expression of the gene encoding histamine receptor H2 in peritoneal exudate leukocytes. These results show for the first time in fish that although systemic administration of histamine and Co 48/80 is safe, neither compound can be regarded as an efficient adjuvant for gilthead seabream vaccination.
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Affiliation(s)
- N E Gómez González
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, IMIB-Arrixaca, 30100 Murcia, Spain
| | - I Cabas
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, IMIB-Arrixaca, 30100 Murcia, Spain
| | - J Montero
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, IMIB-Arrixaca, 30100 Murcia, Spain
| | - A García Alcázar
- Centro Oceanográfico de Murcia, Instituto Español de Oceanografía (IEO), Carretera de la Azohía s/n, Puerto de Mazarrón, 30860 Murcia, Spain
| | - V Mulero
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, IMIB-Arrixaca, 30100 Murcia, Spain
| | - A García Ayala
- Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, IMIB-Arrixaca, 30100 Murcia, Spain.
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154
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Abstract
In recent years there has been considerable effort to understand the interaction of nanomaterials with the skin. In this study we use an in vivo mouse model of allergic contact dermatitis to investigate how nanoparticles (NPs) may alter allergic responses in skin. We investigate a variety of NPs that vary in size, charge and composition. Results show that small (<200 nm) negative and neutral charged NPs exhibit an immunosuppressive effect but that positively charged NPs do not. Confocal imaging suggests positively charged NPs may penetrate skin to a lesser extent and thereby are less able interact with and alter the local immune responses. Interestingly, negatively charged silica (20 nm) NPs suppress allergic response to two chemically distinct sensitizers; 1-fluoro-2, 4-dinitrobenzene and 2-deoxyurushiol. Skin wiping and NP application time studies suggest that the immunomodulatory mechanism is not due solely to the blocking of sensitizer adduct formation in skin. Results suggest that NPs modulate early immune events that impact mast cell degranulation. Our study shows for the first time the potential to modulate the elicitation phase of the allergic response which depends on the NP charge and composition. These finding can be used to inform the design topical therapeutics to mitigate allergic responses in skin.
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Affiliation(s)
- Samreen Jatana
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
| | - Brian C Palmer
- Department of Toxicology, University of Rochester Medical Center, New York, USA
| | - Sarah J Phelan
- Department of Toxicology, University of Rochester Medical Center, New York, USA
| | - Lisa A DeLouise
- Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA. .,Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA.
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155
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Lee AJ, Ro M, Cho KJ, Kim JH. Lipopolysaccharide/TLR4 Stimulates IL-13 Production through a MyD88-BLT2-Linked Cascade in Mast Cells, Potentially Contributing to the Allergic Response. THE JOURNAL OF IMMUNOLOGY 2017; 199:409-417. [PMID: 28600286 DOI: 10.4049/jimmunol.1602062] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 05/08/2017] [Indexed: 01/26/2023]
Abstract
In an experimental asthma model, the activation of TLR4 by bacterial LPS occasionally exacerbates allergic inflammation through the production of Th2 cytokines, and mast cells have been suggested to play a central role in this response. However, the detailed mechanism underlying how LPS/TLR4 stimulates the production of Th2 cytokines, especially IL-13, remains unclear in mast cells. In the current study, we observed that the expression levels of leukotriene B4 receptor-2 (BLT2) and the synthesis of its ligands were highly upregulated in LPS-stimulated bone marrow-derived mast cells and that BLT2 blockade with small interfering RNA or a pharmacological inhibitor completely abolished IL-13 production, suggesting a mediatory role of the BLT2 ligand-BLT2 axis in LPS/TLR4 signaling to IL-13 synthesis in mast cells. Moreover, we demonstrated that MyD88 lies upstream of the BLT2 ligand-BLT2 axis and that this MyD88-BLT2 cascade leads to the generation of reactive oxygen species through NADPH oxidase 1 and the subsequent activation of NF-κB, thereby mediating IL-13 synthesis. Interestingly, we observed that costimulation of LPS/TLR4 and IgE/FcεRI caused greatly enhanced IL-13 synthesis in mast cells, and blockading BLT2 abolished these effects. Similarly, in vivo, the IL-13 level was markedly enhanced by LPS administration in an OVA-induced asthma model, and injecting a BLT2 antagonist beforehand clearly attenuated this increase. Together, our findings suggest that a BLT2-linked cascade plays a pivotal role in LPS/TLR4 signaling for IL-13 synthesis in mast cells, thereby potentially exacerbating allergic response. Our findings may provide insight into the mechanisms underlying how bacterial infection worsens allergic inflammation under certain conditions.
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Affiliation(s)
- A-Jin Lee
- College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea; and
| | - MyungJa Ro
- College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea; and
| | - Kyung-Jin Cho
- Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
| | - Jae-Hong Kim
- College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea; and
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156
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Reclassifying Anaphylaxis to Neuromuscular Blocking Agents Based on the Presumed Patho-Mechanism: IgE-Mediated, Pharmacological Adverse Reaction or "Innate Hypersensitivity"? Int J Mol Sci 2017; 18:ijms18061223. [PMID: 28590439 PMCID: PMC5486046 DOI: 10.3390/ijms18061223] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/01/2017] [Accepted: 06/02/2017] [Indexed: 01/18/2023] Open
Abstract
Approximately 60% of perioperative anaphylactic reactions are thought to be immunoglobulin IgE mediated, whereas 40% are thought to be non-IgE mediated hypersensitivity reactions (both considered non-dose-related type B adverse drug reactions). In both cases, symptoms are elicited by mast cell degranulation. Also, pharmacological reactions to drugs (type A, dose-related) may sometimes mimic symptoms triggered by mast cell degranulation. In case of hypotension, bronchospasm, or urticarial rash due to mast cell degranulation, identification of the responsible mechanism is complicated. However, determination of the type of the underlying adverse drug reaction is of paramount interest for the decision of whether the culprit drug may be re-administered. Neuromuscular blocking agents (NMBA) are among the most frequent cause of perioperative anaphylaxis. Recently, it has been shown that NMBA may activate mast cells independently from IgE antibodies via the human Mas-related G-protein-coupled receptor member X2 (MRGPRX2). In light of this new insight into the patho-mechanism of pseudo-allergic adverse drug reactions, in which as drug-receptor interaction results in anaphylaxis like symptoms, we critically reviewed the literature on NMBA-induced perioperative anaphylaxis. We challenge the dogma that NMBA mainly cause IgE-mediated anaphylaxis via an IgE-mediated mechanism, which is based on studies that consider positive skin test to be specific for IgE-mediated hypersensitivity. Finally, we discuss the question whether MRGPRX2 mediated pseudo-allergic reactions should be re-classified as type A adverse reactions.
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157
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Igawa S, Di Nardo A. Skin microbiome and mast cells. Transl Res 2017; 184:68-76. [PMID: 28390799 PMCID: PMC5538027 DOI: 10.1016/j.trsl.2017.03.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 03/14/2017] [Accepted: 03/16/2017] [Indexed: 12/30/2022]
Abstract
Microbiotas in the skin have high levels of diversity at the species level, but low phylum-level diversity. The human skin microbiota is composed predominantly of Gram-positive bacteria especially Actinobacteria, which are the dominant bacterial phylum on the skin. Lipoteichoic acid (LTA) is a major constituent of the cell wall of Gram-positive bacteria and is therefore abundant in the skin microbiome. Recent studies have shown that LTA, and other bacterial products, permeates the whole skin and comes into contact with epidermal and dermal cells, including mast cells (MCs), with the potential of stimulating MC toll-like receptors (TLRs). MCs express a variety of pattern recognition receptors, including TLRs, on their cell surface in order to detect bacteria. Recent publications suggest that the skin microbiome has influence on MC migration, localization and maturation in the skin. Germ free (no microbiome) animals possess an underdeveloped immune system and immature MCs. Despite much research done on skin microbiota and many papers describing skin interaction with "the good microbiota", there is still controversy regarding how mast cells, communicate with surface bacteria. The present review intends to quell the controversy by illuminating the communication mechanism between bacteria and MCs.
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Affiliation(s)
- Satomi Igawa
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan; Department of Dermatology, University of California, San Diego, La Jolla, Calif
| | - Anna Di Nardo
- Department of Dermatology, University of California, San Diego, La Jolla, Calif.
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158
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Kikuchi-Ueda T, Kamoshida G, Ubagai T, Nakano R, Nakano A, Akuta T, Hikosaka K, Tansho-Nagakawa S, Kikuchi H, Ono Y. The TNF-α of mast cells induces pro-inflammatory responses during infection with Acinetobacter baumannii. Immunobiology 2017; 222:1025-1034. [PMID: 28595750 DOI: 10.1016/j.imbio.2017.05.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 04/18/2017] [Accepted: 05/23/2017] [Indexed: 01/12/2023]
Abstract
Mast cells serve important roles as sentinels against bacterial infection by secreting mediators stored in granules. Much of their effectiveness depends upon recruiting and/or modulating other immune cells. The location of mast cells implies that they recognize pathogens invading tissues or mucosal tissues. Acinetobacter baumannii is a gram-negative bacterium that is considered an emerging nosocomial pathogen and causes a wide range of infections associated with high morbidity and mortality. To date, the interaction of A. baumannii with mast cells remains unclear. In this study, we demonstrated an interaction between human LAD2 mast cells and A. baumannii in vitro. When LAD2 cells were co-cultured with live A. baumannii or Pseudomonas aeruginosa PAO1 in vitro for 4h, TNF-α and IL-8 were produced in the culture supernatant. These inflammatory cytokines were not detected in the supernatant after the cells were treated with live bacteria without serum. Gene expression analysis showed that TNF-α and IL-8 mRNA expression increased in A. baumannii- and P. aeruginosa-infected LAD2 cells. Scanning electron microscopy showed that A. baumannii was tightly attached to the surface of LAD2 cells and suggested that A. baumannii may bind to FcγRII (CD32) on LAD2 cells. TNF-α in the culture supernatant from A. baumannii-infected LAD2 cells, showed that PMN activation and migration increased in Boyden chamber assays. These results suggest that mast cells recognize and initiate immune responses toward A. baumannii by releasing the preformed mediator TNF-α to activate effector neutrophils.
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Affiliation(s)
- Takane Kikuchi-Ueda
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Go Kamoshida
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Tsuneyuki Ubagai
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Ryuichi Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara-shi, Nara 634-8521, Japan.
| | - Akiyo Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, 840 Shijo-cho, Kashihara-shi, Nara 634-8521, Japan.
| | - Teruo Akuta
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Kenji Hikosaka
- Department of Infection and Host Defense, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.
| | - Shigeru Tansho-Nagakawa
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Hirotoshi Kikuchi
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
| | - Yasuo Ono
- Department of Microbiology and Immunology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi-ku, Tokyo 173-8605, Japan.
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159
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Möllerherm H, Branitzki-Heinemann K, Brogden G, Elamin AA, Oehlmann W, Fuhrmann H, Singh M, Naim HY, von Köckritz-Blickwede M. Hypoxia Modulates the Response of Mast Cells to Staphylococcus aureus Infection. Front Immunol 2017; 8:541. [PMID: 28553287 PMCID: PMC5425595 DOI: 10.3389/fimmu.2017.00541] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 04/24/2017] [Indexed: 12/23/2022] Open
Abstract
To study the antimicrobial function of immune cells ex vivo, cells are commonly cultivated under atmospheric oxygen concentrations (20–21%; normoxia), although the physiological oxygen conditions in vivo are significantly lower in most tissues. Especially during an acute infection, oxygen concentration locally decreases to hypoxic levels around or below 1%. The goal of this study was to investigate the effect of hypoxia on the activity of mast cells (MCs). MCs were cultivated for 3 or 24 h at 1% O2 in a hypoxia glove box and co-incubated with heat-inactivated Staphylococcus aureus. When incubating the cells for 24 h under hypoxia, the transcriptional regulator hypoxia-inducible factor 1α (HIF-1α) was stabilized and resulted in increased extracellular trap formation and decreased phagocytosis. Interestingly, while phagocytosis of fluorescent S. aureus bioparticles as well as the release of extracellular traps remained unaffected at 3 h hypoxia, the secretion of the prestored mediator histamine was increased under hypoxia alone. In contrast, the release of TNF-α was generally reduced at 3 h hypoxia. Microarray transcriptome analysis revealed 13 genes that were significantly downregulated in MCs comparing 3 h hypoxia versus normoxia. One interesting candidate is sec24, a member of the pre-budding complex of coat protein complex II (COPII), which is responsible for the anterograde transport of proteins from the ER to the Golgi apparatus. These data lead to the suggestion that de novo synthesized proteins including crucial factors, which are involved in the response to an acute infection like TNF-α, may eventually be retained in the ER under hypoxia. Importantly, the expression of HIF-1α was not altered at 3 h. Thus, our data exhibit a HIF-1α-independent reaction of MCs to short-term hypoxia. We hypothesize that MCs respond to short-term low oxygen levels in a HIF-1α-independent manner by downregulating the release of proinflammatory cytokines like TNF-α, thereby avoiding uncontrolled degranulation, which could lead to excessive inflammation and severe tissue damage.
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Affiliation(s)
- Helene Möllerherm
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany
| | - Katja Branitzki-Heinemann
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany
| | - Graham Brogden
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany
| | | | - Wulf Oehlmann
- LIONEX Diagnostics & Therapeutics, Braunschweig, Germany
| | - Herbert Fuhrmann
- Faculty of Veterinary Medicine, Institute of Biochemistry, University of Leipzig, Leipzig, Germany
| | - Mahavir Singh
- LIONEX Diagnostics & Therapeutics, Braunschweig, Germany
| | - Hassan Y Naim
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany
| | - Maren von Köckritz-Blickwede
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University for Veterinary Medicine Hannover, Hanover, Germany
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160
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Reber LL, Sibilano R, Starkl P, Roers A, Grimbaldeston MA, Tsai M, Gaudenzio N, Galli SJ. Imaging protective mast cells in living mice during severe contact hypersensitivity. JCI Insight 2017; 2:92900. [PMID: 28469089 PMCID: PMC5414565 DOI: 10.1172/jci.insight.92900] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/23/2017] [Indexed: 01/22/2023] Open
Abstract
Contact hypersensitivity (CHS) is a common skin disease induced by epicutaneous sensitization to haptens. Conflicting results have been obtained regarding pathogenic versus protective roles of mast cells (MCs) in CHS, and this has been attributed in part to the limitations of certain models for studying MC functions in vivo. Here we describe a fluorescent imaging approach that enables in vivo selective labeling and tracking of MC secretory granules by real-time intravital 2-photon microscopy in living mice, and permits the identification of such MCs as a potential source of cytokines in different disease models. We show using this method that dermal MCs release their granules progressively into the surrounding microenvironment, but also represent an initial source of the antiinflammatory cytokine IL-10, during the early phase of severe CHS reactions. Finally, using 3 different types of MC-deficient mice, as well as mice in which IL-10 is ablated specifically in MCs, we show that IL-10 production by MCs can significantly limit the inflammation and tissue pathology observed in severe CHS reactions.
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Affiliation(s)
- Laurent L. Reber
- Department of Immunology, Unit of Antibodies in Therapy and Pathology, Institut Pasteur, Paris, France; INSERM, U1222, Paris, France
- Department of Pathology
| | - Riccardo Sibilano
- Department of Pathology
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California, USA
| | - Philipp Starkl
- Department of Pathology
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, and Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Axel Roers
- Institute for Immunology, University of Technology Dresden, Medical Faculty Carl-Gustav Carus, Dresden, Germany
| | | | - Mindy Tsai
- Department of Pathology
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California, USA
| | - Nicolas Gaudenzio
- Department of Pathology
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California, USA
| | - Stephen J. Galli
- Department of Pathology
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California, USA
- Department of Microbiology & Immunology Stanford University School of Medicine, Stanford, California, USA
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161
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Antibodies against nonstructural protein 1 protect mice from dengue virus-induced mast cell activation. J Transl Med 2017; 97:602-614. [PMID: 28240747 DOI: 10.1038/labinvest.2017.10] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 01/13/2017] [Accepted: 01/16/2017] [Indexed: 01/09/2023] Open
Abstract
Dengue virus (DENV) infection causes dengue fever, dengue hemorrhagic fever (DHF), and dengue shock syndrome (DSS). DHF/DSS patients have been reported to have increased levels of urinary histamine, chymase, and tryptase, which are major granule-associated mediators from mast cells. Previous studies also showed that DENV-infected human mast cells induce production of proinflammatory cytokines and chemokines, suggesting a role played by mast cells in vascular perturbation as well as leukocyte recruitment. In this study, we show that DENV but not UV-inactivated DENV enhanced degranulation of mast cells and production of chemokines (MCP-1, RANTES, and IP-10) in a mouse model. We have previously shown that antibodies (Abs) against a modified DENV nonstructural protein 1 (NS1), designated DJ NS1, provide protection in mice against DENV challenge. In the present study, we investigate the effects of DJ NS1 Abs on mast cell-associated activities. We showed that administration of anti-DJ NS1 Abs into mice resulted in a reduction of mast cell degranulation and macrophage infiltration at local skin DENV infection sites. The production of DENV-induced chemokines (MCP-1, RANTES, and IP-10) and the percentages of tryptase-positive activated mast cells were also reduced by treatment with anti-DJ NS1 Abs. These results indicate that Abs against NS1 protein provide multiple therapeutic benefits, some of which involve modulating DENV-induced mast cell activation.Laboratory Investigation advance online publication, 27 February 2017; doi:10.1038/labinvest.2017.10.
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162
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Shibagaki S, Tahara-Hanaoka S, Hiroyama T, Nakamura Y, Shibuya A. Long-term survival of the mouse ES cell-derived mast cell, MEDMC-BRC6, in mast cell-deficient KitW-sh/W-sh mice. Int Immunol 2017; 29:235-242. [PMID: 28431112 DOI: 10.1093/intimm/dxx022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 04/12/2017] [Indexed: 01/04/2023] Open
Abstract
Mast cells (MCs) play pivotal roles in allergic reactions and the host defense against microbial infection through the IgE-dependent and IgE-independent signaling pathways. MC lines that can be analyzed both in vitro and in vivo would be useful for the study of MC-dependent immune responses. Here, we investigated the functional characteristics of a mouse embryonic stem cell-derived MC-like cell line, MEDMC-BRC6. The cell line expressed FcεRI and c-Kit and showed degranulation and production of inflammatory cytokines and chemokines, including TNF-α, IL-6 and MCP-1, upon cross-linking FcεRI with IgE. These cytokines and chemokines were also produced by the cell line by stimulation of TLR2 and TLR4. MEDMC-BRC6 survived in the peritoneal cavity and the ear skin for at least 6 months after the transfer into genetically compatible MC-deficient KitW-sh/W-sh mice, in which systemic anaphylaxis was successfully induced. Thus, MEDMC-BRC6 cells represent a potent tool for investigating the functions of MCs in vitro and in vivo.
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Affiliation(s)
- Shohei Shibagaki
- Department of Immunology, Faculty of Medicine.,Doctoral Program in Graduate School of Comprehensive Human Sciences
| | - Satoko Tahara-Hanaoka
- Department of Immunology, Faculty of Medicine.,Life Science Center of Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1, Ten-nodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Takashi Hiroyama
- Cell Engineering Division, RIKEN BioResource Center, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Center, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Akira Shibuya
- Department of Immunology, Faculty of Medicine.,Life Science Center of Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1, Ten-nodai, Tsukuba, Ibaraki 305-8575, Japan
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163
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Xu SS, Liu QM, Xiao AF, Maleki SJ, Alcocer M, Gao YY, Cao MJ, Liu GM. Eucheuma cottonii Sulfated Oligosaccharides Decrease Food Allergic Responses in Animal Models by Up-regulating Regulatory T (Treg) Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:3212-3222. [PMID: 28359154 DOI: 10.1021/acs.jafc.7b00389] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In the present study, the anti-food allergy activity of Eucheuma cottonii sulfated oligosaccharide (ESO) was investigated. ESO was obtained by enzymatic degradation and purified by column chromatography. RBL-2H3 cells and BALB/c mouse model were used to test the anti-food allergy activity of ESO. The effects of ESO on the regulatory T (Treg) cells and bone marrow-derived mast cells (BMMCs) were investigated by flow cytometry. The results of in vivo assay showed that ESO decreased the levels of mast cell protease-1 and histamine and inhibited the levels of specific IgE by 77.7%. In addition, the production of interleukin (IL)-4 and IL-13 was diminished in the ESO groups compared to the non-ESO-treated group. Furthermore, ESO could up-regulate Treg cells by 22.2-97.1%. In conclusion, ESO decreased the allergy response in mice by reducing basophil degranulation, up-regulating Treg cells via Forkhead box protein 3 (Foxp3), and releasing IL-10. ESO may have preventive and therapeutic potential in allergic disease.
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Affiliation(s)
- Sha-Sha Xu
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
| | - Qing-Mei Liu
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
| | - An-Feng Xiao
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
| | - Soheila J Maleki
- Southern Regional Research Center, U.S. Department of Agriculture, Agriculture Research Service , 1100 Robert E. Lee Boulevard, New Orleans, Louisiana 70124, United States
| | - Marcos Alcocer
- School of Biosciences, The University of Nottingham , Sutton Bonington Campus, Loughborough LE12 5RD, United Kingdom
| | - Yuan-Yuan Gao
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
| | - Min-Jie Cao
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
| | - Guang-Ming Liu
- College of Food and Biological Engineering, Xiamen Key Laboratory of Marine Functional Food, Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Jimei University , 43 Yindou Road, Xiamen 361021, Fujian, People's Republic of China
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164
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Gudiseva S, Santosh ABR, Chitturi R, Anumula V, Poosarla C, Baddam VRR. The role of mast cells in oral squamous cell carcinoma. Contemp Oncol (Pozn) 2017; 21:21-29. [PMID: 28435394 PMCID: PMC5385471 DOI: 10.5114/wo.2017.65157] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 09/30/2016] [Indexed: 01/30/2023] Open
Abstract
The mast cells are initial effective lineage in both humoral and adaptive immunity. They are ubiquitous in skin, mucosa, and in function. They contain biologically essential and dynamic mediators in healthy and harmful conditions of tissue. Mast cell malfunctioning could be attributed to various chronic allergic diseases. Considerately, emerging evidence of mast cell involvement in various cancers shows them to have both positive and negative roles in tumour growth. It mostly indulges in tumour progression and metastasis via angiogenesis, extracellular matrix degradation, and mitogenic activity in the tumour microenvironment. The current paper reviewed research papers on mast cells in oral squamous cell carcinoma through the PubMed database from 1980 to the present date. The present paper is an attempt to summarise the research reports on the role of mast cells in oral squamous cell carcinoma. Further to this note, this paper also outlines the role of mast cells in normal physiological processes and tumour biology.
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Affiliation(s)
- Swetha Gudiseva
- Department of Oral Pathology and Microbiology, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Arvind Babu Rajendra Santosh
- Dentistry Programme, Faculty of Medical Sciences, The University of the West Indies, Mona campus, Kingston, Jamaica, West Indies
| | - Raviteja Chitturi
- School of Dentistry, University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies
| | - Vamsikrishna Anumula
- Department of Pedodontics and Preventive dentistry, Krishna devaraya Institute of Dental Sciences, Bangalore, Karnataka, India
| | - Chandrashekar Poosarla
- Department of Oral Pathology and Microbiology, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Venkat Ramana Reddy Baddam
- Department of Oral Pathology and Microbiology, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
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165
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Seneviratne SL, Maitland A, Afrin L. Mast cell disorders in Ehlers-Danlos syndrome. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2017; 175:226-236. [DOI: 10.1002/ajmg.c.31555] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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166
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Faustino-Rocha AI, Ferreira R, Gama A, Oliveira PA, Ginja M. Antihistamines as promising drugs in cancer therapy. Life Sci 2017; 172:27-41. [DOI: 10.1016/j.lfs.2016.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/11/2016] [Accepted: 12/13/2016] [Indexed: 12/28/2022]
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167
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Solier S, Fontenay M, Vainchenker W, Droin N, Solary E. Non-apoptotic functions of caspases in myeloid cell differentiation. Cell Death Differ 2017; 24:1337-1347. [PMID: 28211870 DOI: 10.1038/cdd.2017.19] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 01/06/2017] [Accepted: 01/16/2017] [Indexed: 12/26/2022] Open
Abstract
Subtle caspase activation is associated with the differentiation of several myeloid lineages. A tightly orchestrated dance between caspase-3 activation and the chaperone HSP70 that migrates to the nucleus to protect the master regulator GATA-1 from cleavage transiently occurs in basophilic erythroblasts and may prepare nucleus and organelle expel that occurs at the terminal phase of erythroid differentiation. A spatially restricted activation of caspase-3 occurs in maturing megakaryocytes to promote proplatelet maturation and platelet shedding in the bloodstream. In a situation of acute platelet need, caspase-3 could be activated in response to IL-1α and promote megakaryocyte rupture. In peripheral blood monocytes, colony-stimulating factor-1 provokes the formation of a molecular platform in which caspase-8 is activated, which downregulates nuclear factor-kappa B (NF-κB) activity and activates downstream caspases whose target fragments such as those generated by nucleophosmin (NPM1) cleavage contribute to the generation of resting macrophages. Human monocytes secrete mature IL-1β in response to lipopolysaccharide through an alternative inflammasome activation that involves caspase-8, a pathway that does not lead to cell death. Finally, active caspase-3 is part of the proteases contained in secretory granules of mast cells. Many questions remain on how these proteases are activated in myeloid cell lineages, which target proteins are cleaved, whereas other are protected from proteolysis, the precise role of cleaved proteins in cell differentiation and functions, and the link between these non-apoptotic functions of caspases and the death of these diverse cell types. Better understanding of these functions may generate therapeutic strategies to control cytopenias or modulate myeloid cell functions in various pathological situations.
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Affiliation(s)
- Stéphanie Solier
- Inserm U1170, Université Paris-Sud, Faculté de Médecine Paris-Sud, Gustave Roussy, Villejuif, France
| | - Michaela Fontenay
- INSERM U1016, Institut Cochin, Paris, France.,Assistance Publique-Hôpitaux de Paris, Service d'Hématologie Biologique, Hôpitaux Universitaires Paris Centre, Paris, France
| | - William Vainchenker
- Inserm U1170, Université Paris-Sud, Faculté de Médecine Paris-Sud, Gustave Roussy, Villejuif, France
| | - Nathalie Droin
- Inserm U1170, Université Paris-Sud, Faculté de Médecine Paris-Sud, Gustave Roussy, Villejuif, France
| | - Eric Solary
- Inserm U1170, Université Paris-Sud, Faculté de Médecine Paris-Sud, Gustave Roussy, Villejuif, France.,Department of Hematology, Gustave Roussy, Villejuif, France
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168
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Akoto C, Davies DE, Swindle EJ. Mast cells are permissive for rhinovirus replication: potential implications for asthma exacerbations. Clin Exp Allergy 2017; 47:351-360. [PMID: 28008678 PMCID: PMC5396281 DOI: 10.1111/cea.12879] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 10/28/2016] [Accepted: 11/22/2016] [Indexed: 01/19/2023]
Abstract
BACKGROUND Human rhinoviruses (HRVs) are a major trigger of asthma exacerbations, with the bronchial epithelium being the major site of HRV infection and replication. Mast cells (MCs) play a key role in asthma where their numbers are increased in the bronchial epithelium with increasing disease severity. OBJECTIVE In view of the emerging role of MCs in innate immunity and increased localization to the asthmatic bronchial epithelium, we investigated whether HRV infection of MCs generated innate immune responses which were protective against infection. METHODS The LAD2 MC line or primary human cord blood-derived MCs (CBMCs) were infected with HRV or UV-irradiated HRV at increasing multiplicities of infection (MOI) without or with IFN-β or IFN-λ. After 24 h, innate immune responses were assessed by RT-qPCR and IFN protein release by ELISA. Viral replication was determined by RT-qPCR and virion release by TCID50 assay. RESULTS HRV infection of LAD2 MCs induced expression of IFN-β, IFN-λ and IFN-stimulated genes. However, LAD2 MCs were permissive for HRV replication and release of infectious HRV particles. Similar findings were observed with CBMCs. Neutralization of the type I IFN receptor had minimal effects on viral shedding, suggesting that endogenous type I IFN signalling offered limited protection against HRV. However, augmentation of these responses by exogenous IFN-β, but not IFN-λ, protected MCs against HRV infection. CONCLUSION AND CLINICAL RELEVANCE MCs are permissive for the replication and release of HRV, which is prevented by exogenous IFN-β treatment. Taken together, these findings suggest a novel mechanism whereby MCs may contribute to HRV-induced asthma exacerbations.
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Affiliation(s)
- C Akoto
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, University Hospital Southampton, Southampton, UK
| | - D E Davies
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, University Hospital Southampton, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University Hospital Southampton, Southampton, UK
| | - E J Swindle
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, University Hospital Southampton, Southampton, UK.,NIHR Southampton Respiratory Biomedical Research Unit, University Hospital Southampton, Southampton, UK
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169
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Yao PL, Morales JL, Gonzalez FJ, Peters JM. Peroxisome proliferator-activated receptor-β/δ modulates mast cell phenotype. Immunology 2017; 150:456-467. [PMID: 27935639 DOI: 10.1111/imm.12699] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 11/11/2016] [Accepted: 11/28/2016] [Indexed: 12/20/2022] Open
Abstract
The peroxisome proliferator-activated receptor-β/δ (PPARβ/δ) is known to have multiple anti-inflammatory effects, typically observed in endothelial cells, macrophages, T cells and B cells. Despite the fact that mast cells are important mediators of inflammation, to date, the role of PPARβ/δ in mast cells has not been examined. Hence, the present study examined the hypothesis that PPARβ/δ modulates mast cell phenotype. Bone-marrow-derived mast cells (BMMCs) and peritoneal mast cells from Pparβ/δ+/+ mice expressed higher levels of high-affinity IgE receptor (FcεRI) compared with Pparβ/δ-/- mice. BMMCs from Pparβ/δ+/+ mice also exhibited dense granules, associated with higher expression of enzymes and proteases compared with Pparβ/δ-/- mice. Resting BMMCs from Pparβ/δ+/+ mice secreted lower levels of inflammatory cytokines, associated with the altered activation of phospholipase Cγ1 and extracellular signal-regulated kinases compared with Pparβ/δ-/- mice. Moreover, the production of cytokines by mast cells induced by various stimuli was highly dependent on PPARβ/δ expression. This study demonstrates that PPARβ/δ is an important regulator of mast cell phenotype.
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Affiliation(s)
- Pei-Li Yao
- Department of Veterinary and Biomedical Sciences, The Center of Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, PA, USA
| | - Jose L Morales
- Department of Veterinary and Biomedical Sciences, The Center of Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, PA, USA
| | - Frank J Gonzalez
- Laboratory of Metabolism, National Cancer Institute, Bethesda, MD, USA
| | - Jeffrey M Peters
- Department of Veterinary and Biomedical Sciences, The Center of Molecular Toxicology and Carcinogenesis, The Pennsylvania State University, University Park, PA, USA
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170
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Meng D, Huo C, Wang M, Xiao J, Liu B, Wei T, Dong H, Zhang G, Hu Y, Sun L. Influenza A Viruses Replicate Productively in Mouse Mastocytoma Cells (P815) and Trigger Pro-inflammatory Cytokine and Chemokine Production through TLR3 Signaling Pathway. Front Microbiol 2017; 7:2130. [PMID: 28127293 PMCID: PMC5226950 DOI: 10.3389/fmicb.2016.02130] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2016] [Accepted: 12/16/2016] [Indexed: 12/18/2022] Open
Abstract
The influenza A viruses (IAVs) cause acute respiratory infection in both humans and animals. As a member of the initial lines of host defense system, the role of mast cells during IAV infection has been poorly understood. Here, we characterized for the first time that both avian-like (α-2, 3-linked) and human-like (α-2, 6- linked) sialic acid (SA) receptors were expressed by the mouse mastocytoma cell line (P815). The P815 cells did support the productive replication of H1N1 (A/WSN/33), H5N1 (A/chicken/ Henan/1/04) and H7N2 (A/chicken/Hebei/2/02) in vitro while the in vivo infection of H5N1 in mast cells was confirmed by the specific staining of nasal mucosa and lung tissue from mice. All the three viruses triggered the infected P815 cells to produce pro-inflammatory cytokines and chemokines including IL-6, IFN-γ, TNF-α, CCL-2, CCL-5, and IP-10, but not the antiviral type I interferon. It was further confirmed that TLR3 pathway was involved in P815 cell response to IAV-infection. Our findings highlight the remarkable tropism and infectivity of IAV to P815 cells, indicating that mast cells may be unneglectable player in the development of IAV infection.
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Affiliation(s)
- Di Meng
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Caiyun Huo
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Ming Wang
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural UniversityBeijing, China; Key Laboratory of Veterinary Bioproduction and Chemical Medicine of the Ministry of Agriculture, Zhongmu Institutes of China Animal Husbandry Industry Co., LtdBeijing, China
| | - Jin Xiao
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural UniversityBeijing, China; Key Laboratory of Veterinary Bioproduction and Chemical Medicine of the Ministry of Agriculture, Zhongmu Institutes of China Animal Husbandry Industry Co., LtdBeijing, China
| | - Bo Liu
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Tangting Wei
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Hong Dong
- Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Beijing University of Agriculture Beijing, China
| | - Guozhong Zhang
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Yanxin Hu
- Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University Beijing, China
| | - Lunquan Sun
- Center for Molecular Medicine, Xiangya Hospital, Central South University Changsha, China
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171
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Bae YS, Lee HY, Jung YS, Lee M, Suh PG. Phospholipase Cγ in Toll-like receptor-mediated inflammation and innate immunity. Adv Biol Regul 2017; 63:92-97. [PMID: 27707630 DOI: 10.1016/j.jbior.2016.09.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 09/23/2016] [Accepted: 09/25/2016] [Indexed: 06/06/2023]
Abstract
Among the phospholipase C (PLC) isoforms, PLCγ not only has unique structural characteristics in terms of harboring SH2 and SH3 domains but also mediates growth factor-induced signaling pathways. PLCγ isoforms are expressed in several innate immune cell types, including macrophages, natural killer cells, mast cells, and neutrophils. Stimulation of Fc receptor or integrin in innate immune cells induces PLCγ activation, which leads to phosphoinositide hydrolysis and calcium increase. The products of PLCγ activity mediate the innate immune response by regulating respiratory burst, phagocytosis, cell adhesion, and cell migration. PLCγ also regulates the inflammatory response by affecting Toll-like receptor-mediated signaling. Here, we briefly review the current understanding of the functional role of PLCγ in inflammation and innate immunity in some innate immune cell types.
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Affiliation(s)
- Yoe-Sik Bae
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Republic of Korea; Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Republic of Korea.
| | - Ha Young Lee
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Young Su Jung
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Mingyu Lee
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul 06351, Republic of Korea
| | - Pann-Ghill Suh
- School of Nano-Biotechnology and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea
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172
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Tan RJ, Sun HQ, Zhang W, Yuan HM, Li B, Yan HT, Lan CH, Yang J, Zhao Z, Wu JJ, Wu C. A 21-35 kDa Mixed Protein Component from Helicobacter pylori Activates Mast Cells Effectively in Chronic Spontaneous Urticaria. Helicobacter 2016; 21:565-574. [PMID: 27061753 DOI: 10.1111/hel.12312] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Helicobacter pylori (H. pylori) seem to involve in the etiology of chronic spontaneous urticaria (CSU). But studies of the pathogenic mechanism are very little. METHODS In this study, we detected the serum-specific anti-H. pylori IgG and IgE antibodies in 211 CSU and 137 normal subjects by enzyme-linked immunosorbent assay (ELISA), evaluated the direct activation effects of H. pylori preparations and its protein components on human LAD2 mast cell line in vitro, and analyzed the specific protein ingredients and functions of the most effective H. pylori mixed protein component using liquid chromatography-mass spectrometry and ELISA assay. RESULTS In CSU patients, the positive rate of anti-H. pylori IgG positive rate was significantly higher than that in normal controls, and the anti-H. pylori IgE levels had no statistical difference between H. pylori-infected patients with and without CSU. Further studies suggested that H. pylori preparations can directly activate human LAD2 mast cell line in a dose-dependent manner and its most powerful protein component was a mixture of 21-35 kDa proteins. Moreover, the 21-35 kDa mixed protein component mainly contained 23 kinds of proteins, which can stimulate the release of histamine, TNF-a, IL-3, IFN-γ, and LTB4 by LAD2 cells in a dose-dependent or time-dependent manner. CONCLUSIONS A 21-35 kDa mixed protein component should be regarded as the most promising pathogenic factor contributing to the CSU associated with H. pylori infection.
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Affiliation(s)
- Ran-Jing Tan
- Department of Dermatology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China.,Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
| | - He-Qiang Sun
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
| | - Wei Zhang
- Department of Dermatology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China
| | - Han-Mei Yuan
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
| | - Bin Li
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
| | - Hong-Tao Yan
- Department of Dermatology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China
| | - Chun-Hui Lan
- Department of Gastroenterology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China
| | - Jun Yang
- Department of Gastroenterology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China
| | - Zhuo Zhao
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
| | - Jin-Jin Wu
- Department of Dermatology, Daping Hospital, The Third Military Medical University, Chongqing, 400042, China
| | - Chao Wu
- Department of Microbiology and Biochemical Pharmacy, National Engineering Research Center of Immunological Products, College of Pharmacy, The Third Military Medical University, Chongqing, 400038, China
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173
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Chmelař J, Chatzigeorgiou A, Chung KJ, Prucnal M, Voehringer D, Roers A, Chavakis T. No Role for Mast Cells in Obesity-Related Metabolic Dysregulation. Front Immunol 2016; 7:524. [PMID: 27933062 PMCID: PMC5121122 DOI: 10.3389/fimmu.2016.00524] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 11/09/2016] [Indexed: 12/18/2022] Open
Abstract
Obesity-related adipose tissue (AT) inflammation that promotes metabolic dysregulation is associated with increased AT mast cell numbers. Mast cells are potent inducers of inflammatory responses and could potentially contribute to obesity-induced AT inflammation and metabolic dysregulation. Conflicting findings were reported on obesity-related metabolic dysfunction in mast cell-deficient mice, thus creating a controversy that has not been resolved to date. Whereas traditional Kit hypomorphic mast cell-deficient strains featured reduced diet-induced obesity and diabetes, a Kit-independent model of mast cell deficiency, Cpa3Cre/+ mice, displayed no alterations in obesity and insulin sensitivity. Herein, we analyzed diet-induced obesity in Mcpt5-Cre R-DTA mice, in which the lack of mast cells is caused by a principle different from mast cell deficiency in Cpa3Cre/+ mice or Kit mutations. We observed no difference between mast cell-deficient and -proficient mice in diet-induced obesity with regards to weight gain, glucose tolerance, insulin resistance, metabolic parameters, hepatic steatosis, and AT or liver inflammation. We conclude that mast cells play no essential role in obesity and related pathologies.
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Affiliation(s)
- Jindřich Chmelař
- Department of Clinical Pathobiochemistry, Medical Faculty, Technische Universität Dresden, Dresden, Germany; Faculty of Science, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
| | - Antonios Chatzigeorgiou
- Department of Clinical Pathobiochemistry, Medical Faculty, Technische Universität Dresden, Dresden, Germany; Medical Faculty, Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany
| | - Kyoung-Jin Chung
- Department of Clinical Pathobiochemistry, Medical Faculty, Technische Universität Dresden, Dresden, Germany; Paul Langerhans Institute Dresden of the Helmholtz Center Munich at University Hospital and Faculty of Medicine, TU Dresden, Dresden, Germany; German Center for Diabetes Research (DZD e.V.), Neuherberg, Germany
| | - Marta Prucnal
- Department of Clinical Pathobiochemistry, Medical Faculty, Technische Universität Dresden , Dresden , Germany
| | - David Voehringer
- Department of Infection Biology, Universitätsklinikum Erlangen at the Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) , Erlangen , Germany
| | - Axel Roers
- Institute for Immunology, Technische Universität Dresden , Dresden , Germany
| | - Triantafyllos Chavakis
- Department of Clinical Pathobiochemistry, Medical Faculty, Technische Universität Dresden, Dresden, Germany; Medical Faculty, Institute of Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Germany; Paul Langerhans Institute Dresden of the Helmholtz Center Munich at University Hospital and Faculty of Medicine, TU Dresden, Dresden, Germany; German Center for Diabetes Research (DZD e.V.), Neuherberg, Germany
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174
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Yoo TK, Kim SW, Seo KY. Age-Related Cataract Is Associated with Elevated Serum Immunoglobulin E Levels in the South Korean Population: A Cross-Sectional Study. PLoS One 2016; 11:e0166331. [PMID: 27861567 PMCID: PMC5115736 DOI: 10.1371/journal.pone.0166331] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 10/26/2016] [Indexed: 01/06/2023] Open
Abstract
Background Previous research has suggested that immunoglobulin E (IgE)-mediated events lead to several chronic diseases. We investigated the association between allergic conditions and age-related cataracts in the South Korean adult population. Methods A cross-sectional study was performed using data obtained from 1,170 participants aged 40 years or older who were enrolled in the Korean National Health and Nutrition Examination Survey 2010. Multivariable logistic regression was used to examine the relationship between age-related cataracts and allergic conditions, including total serum IgE and allergen-specific serum IgE levels, after adjustment for potential confounders (age, sex, alcohol consumption, smoking, sun exposure, blood pressure, plasma glucose and cholesterol levels, as well as histories of asthma, atopic dermatitis, and rheumatoid arthritis). Results After adjusting for potential confounders, the odds ratio (OR) for age-related cataract was greater in participants with higher total serum IgE levels (OR = 1.37; P = 0.044). In particular, increased IgE levels were significantly associated with nuclear cataract (OR = 1.42; P = 0.032). However, allergen-specific serum IgE levels did not differ significantly between groups. In the trend analysis, no significant relationship was observed between serum IgE and any type of age-related cataract. Conclusion Increased total serum IgE level is independently associated with age-related cataracts after adjustment for confounding factors.
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Affiliation(s)
- Tae Keun Yoo
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, South Korea
| | - Sun Woong Kim
- Department of Ophthalmology, Yonsei University Wonju College of Medicine, Wonju, South Korea
- * E-mail: (SWK); (KYS)
| | - Kyoung Yul Seo
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, South Korea
- * E-mail: (SWK); (KYS)
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175
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Tsurusaki S, Tahara-Hanaoka S, Shibagaki S, Miyake S, Imai M, Shibayama S, Kubo M, Shibuya A. Allergin-1 inhibits TLR2-mediated mast cell activation and suppresses dermatitis. Int Immunol 2016; 28:605-609. [DOI: 10.1093/intimm/dxw046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 11/07/2016] [Indexed: 12/12/2022] Open
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176
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Mast Cells: Key Players in the Shadow in Oral Inflammation and in Squamous Cell Carcinoma of the Oral Cavity. BIOMED RESEARCH INTERNATIONAL 2016; 2016:9235080. [PMID: 27847826 PMCID: PMC5101369 DOI: 10.1155/2016/9235080] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 09/27/2016] [Indexed: 01/12/2023]
Abstract
Although mast cells (MCs) have been discovered over 130 years ago, their function was almost exclusively linked to allergic affections. At the time being, it is well known that MCs possess a great variety of roles, in both physiologic and pathologic conditions. In the oral tissues, MCs release different proinflammatory cytokines, tumor necrosis factor alpha (TNF-α), that promote leukocyte infiltration in various inflammatory states of the oral cavity. These cells play a key role in the inflammatory process and, as a consequence, their number changes in different pathologic conditions of the oral cavity, like gingivitis, periodontitis, and so on. MCs also represent a rich source of proteases, especially of mast cell tryptase and chymase, which directly degrade the extracellular matrix through their proteolytic activity and thus indirectly stimulate angiogenesis and facilitate invasion and metastasis. It may be stated that mast cells could have an impact on primary tumor development, progression, and metastases in oral squamous cell carcinoma. By understanding the role of mast cells in the pathogenesis of different inflammatory and tumor diseases of the oral cavity, these cells may become therapeutic targets that could possibly improve the prognosis and survival of these patients.
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177
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Debta P, Debta FM, Chaudhary M, Bussari S. Evaluation of myeloid cells (tumor-associated tissue eosinophils and mast cells) infiltration in different grades of oral squamous cell carcinoma. Indian J Med Paediatr Oncol 2016; 37:158-67. [PMID: 27688609 PMCID: PMC5027788 DOI: 10.4103/0971-5851.190349] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background: The multifunctional involvement and infiltration of myeloid cells (tumor-associated tissue eosinophils [TATE] and mast cells) can provide a unique opportunity to define relevant effectors functions that may represent novel, therapeutic options for modulation of tumor onset/growth. Aim: Our study aimed to evaluate infiltration of myeloid cells (TATE and Mast cells) infiltration in different grades (WHO grading) of oral squamous cell carcinoma (OSCC). Materials and Methods: Total 30 cases of OSCC were selected for this study. Hematoxylin and eosin stain and toluidine blue special stain, to evaluate TATE and the mast cells infiltration, were used. Three-year follow-up of OSCC cases was done. Result: Among 30 cases, 63.33% cases of OSCC showed TATE-positive and 36.66% cases showed TATE-negative. Regarding mast cells infiltration, 66.66% OSCC cases showed mast cells positive and 33.33% cases did not show significant mast cells infiltration. We found significant association of TATE and mast cells infiltration in OSCC cases. These myeloid cells infiltration significantly associated with age of patients but did not show any significant association with gender, site, and habit of cases. When we compared these cells infiltration with clinical stages and different histological grades of tumor, we found their infiltration is decreasing, from Stages 1 to Stage 3 of tumor and from well to poorly differentiated carcinoma. We have also found the less infiltration of these myeloid in recurrence cases of OSCC. Conclusion: As the infiltration of TATE and mast cells are correlated, along with evaluation of TATE, we should also evaluate the presence of mast cells infiltration in OSCC. The assessment of myeloid cells could become, in the future, useful for therapeutic approaches in this subset of the patient.
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Affiliation(s)
- Priyanka Debta
- Department of Oral and Maxillofacial Pathology, Institute of Dental Science, SOA University, Bhubaneswar, Odisha, India
| | - Fakir Mohan Debta
- Department of Oral Medicine and Radiology, S.C.B. Dental College and Hospital, Cuttack, Odisha, India
| | - Minal Chaudhary
- Department of Oral and Maxillofacial Pathology, SPDC, Sawangi, Wardha, Maharashtra, India
| | - Smita Bussari
- Department of Oral and Maxillofacial Pathology, Aditya Dental College, Beed, Maharashtra, India
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178
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Singh J, Shah R, Singh D. Targeting mast cells: Uncovering prolific therapeutic role in myriad diseases. Int Immunopharmacol 2016; 40:362-384. [PMID: 27694038 DOI: 10.1016/j.intimp.2016.09.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 09/16/2016] [Accepted: 09/22/2016] [Indexed: 01/08/2023]
Abstract
The mast cells are integral part of immune system and they have pleiotropic physiological functions in our body. Any type of abnormal stimuli causes the mast cells receptors to spur the otherwise innocuous mast cells to degranulate and release inflammatory mediators like histamine, cytokines, chemokines and prostaglandins. These mediators are involved in various diseases like allergy, asthma, mastocytosis, cardiovascular disorders, etc. Herein, we describe the receptors involved in degranulation of mast cells and are broadly divided into four categories: G-protein coupled receptors, ligand gated ion channels, immunoreceptors and pattern recognition receptors. Although, activation of pattern recognition receptors do not cause mast cell degranulation, but result in cytokines production. Degranulation itself is a complex process involving cascade of events like membrane fusion events and various proteins like VAMP, Syntaxins, DOCK5, SNAP-23, MARCKS. Furthermore, we described these mast cell receptors antagonists or agonists useful in treatment of myriad diseases. Like, omalizumab anti-IgE antibody is highly effective in asthma, allergic disorders treatment and recently mechanistic insight of IgE uncovered; matrix mettaloprotease inhibitor marimistat is under phase III trial for inflammation, muscular dystrophy diseases; ZPL-389 (H4 receptor antagonist) is in Phase 2a Clinical Trial for atopic dermatitis and psoriasis; JNJ3851868 an oral H4 receptor antagonist is in phase II clinical development for asthma, rheumatoid arthritis. Therefore, research is still in inchoate stage to uncover mast cell biology, mast cell receptors, their therapeutic role in myriad diseases.
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Affiliation(s)
- Jatinder Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala 147002, Punjab, India
| | - Ramanpreet Shah
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala 147002, Punjab, India
| | - Dhandeep Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala 147002, Punjab, India.
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179
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Sugitharini V, Shahana P, Prema A, Berla Thangam E. TLR2 and TLR4 co-activation utilizes distinct signaling pathways for the production of Th1/Th2/Th17 cytokines in neonatal immune cells. Cytokine 2016; 85:191-200. [DOI: 10.1016/j.cyto.2016.06.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/20/2016] [Accepted: 06/21/2016] [Indexed: 12/30/2022]
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180
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Vukman KV, Lalor R, Aldridge A, O'Neill SM. Mast cells: new therapeutic target in helminth immune modulation. Parasite Immunol 2016; 38:45-52. [PMID: 26577605 DOI: 10.1111/pim.12295] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 11/02/2015] [Indexed: 02/06/2023]
Abstract
Helminth infection and their secreted antigens have a protective role in many immune-mediated inflammatory disorders such as inflammatory bowel disease, rheumatoid arthritis and multiple sclerosis. However, studies have focused primarily on identifying immune protective mechanisms of helminth infection and their secreted molecules on dendritic cells and macrophages. Given that mast cells have been shown to be implicated in the pathogenesis and progression of many inflammatory disorders, their role should also be examined and considered as cellular target for helminth-based therapies. As there is a dearth of studies examining the interaction of helminth-derived antigens and mast cells, this review will focus on the role of mast cells during helminth infection and examine our current understanding of the involvement of mast cells in TH 1/TH 17-mediated immune disorders. In this context, potential mechanisms by which helminths could target the TH 1/TH 17 promoting properties of mast cells can be identified to unveil novel therapeutic mast cell driven targets in combating these inflammatory disorders.
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Affiliation(s)
- K V Vukman
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Nagyvarad ter 4., H-1089, Budapest, Hungry.,Parasite Immune Modulation Group, School of Biotechnology, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin, Ireland
| | - R Lalor
- Parasite Immune Modulation Group, School of Biotechnology, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin, Ireland
| | - A Aldridge
- Parasite Immune Modulation Group, School of Biotechnology, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin, Ireland
| | - S M O'Neill
- Parasite Immune Modulation Group, School of Biotechnology, Faculty of Science and Health, Dublin City University, Glasnevin, Dublin, Ireland
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181
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Qin S, Wang X, Wu H, Xiao P, Cheng H, Zhang X, Ke Y. Cell-based phenotypic screening of mast cell degranulation unveils kinetic perturbations of agents targeting phosphorylation. Sci Rep 2016; 6:31320. [PMID: 27502076 PMCID: PMC4977535 DOI: 10.1038/srep31320] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 07/18/2016] [Indexed: 02/08/2023] Open
Abstract
Mast cells play an essential role in initiating allergic diseases. The activation of mast cells are controlled by a complicated signal network of reversible phosphorylation, and finding the key regulators involved in this network has been the focus of the pharmaceutical industry. In this work, we used a method named Time-dependent cell responding profile (TCRP) to track the process of mast cell degranulation under various perturbations caused by agents targeting phosphorylation. To test the feasibility of this high-throughput cell-based phenotypic screening method, a variety of biological techniques were used. We further screened 145 inhibitors and clustered them based on the similarities of their TCRPs. Stat3 phosphorylation has been widely reported as a key step in mast cell degranulation. Interestingly, our TCRP results showed that a Stat3 inhibitor JSI124 did not inhibit degranulation like other Stat3 inhibitors, such as Stattic, clearly inhibited degranulation. Regular endpoint assays demonstrated that the distinctive TCRP of JSI124 potentially correlated with the ability to induce apoptosis. Consequently, different agents possibly have disparate functions, which can be conveniently detected by TCRP. From this perspective, our TCRP screening method is reliable and sensitive when it comes to discovering and selecting novel compounds for new drug developments.
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Affiliation(s)
- Shenlu Qin
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Xumeng Wang
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Huanwen Wu
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Peng Xiao
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Hongqiang Cheng
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Xue Zhang
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Yuehai Ke
- Program in Molecular Cell Biology, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou 310058, China
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182
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Lee AJ, Ro M, Kim JH. Leukotriene B4 Receptor 2 Is Critical for the Synthesis of Vascular Endothelial Growth Factor in Allergen-Stimulated Mast Cells. THE JOURNAL OF IMMUNOLOGY 2016; 197:2069-78. [PMID: 27489284 DOI: 10.4049/jimmunol.1502565] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 07/05/2016] [Indexed: 01/31/2023]
Abstract
Mast cells are among the principal effector cells in the pathogenesis of allergic asthma. In allergic reactions, allergen (Ag)-induced cross-linking of IgE bound to FcεRI on mast cells results in the production of vascular endothelial growth factor (VEGF), which is essential for the initiation and development of the allergic response. Despite the central role of VEGF in allergic asthma, the signaling events responsible for the production of VEGF remain unclear, particularly in Ag-stimulated mast cells. In the present study, we observed that blocking leukotriene B4 receptor 2 (BLT2) completely abrogated the production of VEGF in Ag-stimulated bone marrow-derived mast cells (BMMCs). The synthesis of BLT2 ligands (leukotriene B4 and 12(S)-hydroxyeicosatetraenoic acid) was also required for VEGF production, suggesting a mediating role of an autocrine BLT2 ligands-BLT2 axis in the production of VEGF in mast cells. The NADPH oxidase 1-reactive oxygen species-NF-κB cascade is downstream of BLT2 during Ag signaling to VEGF synthesis in mast cells. Furthermore, the level of VEGF synthesis in genetically mast cell-deficient Kit(W/Wv) mice was significantly lower than that in wild-type mice in the OVA-induced asthma model, suggesting that mast cells play a critical role in the synthesis of VEGF in OVA-induced allergic asthma. Importantly, VEGF production was restored to the levels observed in wild-type mice after adoptive transfer of normal BMMCs into Kit(W/Wv) mice but was not restored in BLT2(-/-) BMMC-reconstituted Kit(W/Wv) mice in the OVA-induced asthma model. Taken together, our results suggest that BLT2 expression in mast cells is essential for the production of VEGF in OVA-induced allergic asthma.
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Affiliation(s)
- A-Jin Lee
- School of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea
| | - MyungJa Ro
- School of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea
| | - Jae-Hong Kim
- School of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea
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183
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Modena BD, Dazy K, White AA. Emerging concepts: mast cell involvement in allergic diseases. Transl Res 2016; 174:98-121. [PMID: 26976119 DOI: 10.1016/j.trsl.2016.02.011] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 02/17/2016] [Accepted: 02/18/2016] [Indexed: 02/08/2023]
Abstract
In a process known as overt degranulation, mast cells can release all at once a diverse array of products that are preformed and present within cytoplasmic granules. This occurs typically within seconds of stimulation by environmental factors and allergens. These potent, preformed mediators (ie, histamine, heparin, serotonin, and serine proteases) are responsible for the acute symptoms experienced in allergic conditions such as allergic conjunctivitis, allergic rhinitis, allergy-induced asthma, urticaria, and anaphylaxis. Yet, there is reason to believe that the actions of mast cells are important when they are not degranulating. Mast cells release preformed mediators and inflammatory cytokines for periods after degranulation and even without degranulating at all. Mast cells are consistently seen at sites of chronic inflammation, including nonallergic inflammation, where they have the ability to temper inflammatory processes and shape tissue morphology. Mast cells can trigger actions and chemotaxis in other important immune cells (eg, eosinophils and the newly discovered type 2 innate lymphocytes) that then make their own contributions to inflammation and disease. In this review, we will discuss the many known and theorized contributions of mast cells to allergic diseases, focusing on several prototypical allergic respiratory and skin conditions: asthma, chronic rhinosinusitis, aspirin-exacerbated respiratory disease, allergic conjunctivitis, atopic dermatitis, and some of the more common medication hypersensitivity reactions. We discuss traditionally accepted roles that mast cells play in the pathogenesis of each of these conditions, but we also delve into new areas of discovery and research that challenge traditionally accepted paradigms.
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Affiliation(s)
- Brian D Modena
- Division of Allergy, Asthma and Immunology, Scripps Clinic, San Diego, Calif; Scripps Translational Science Institute, The Scripps Research Institute, La Jolla, Calif
| | - Kristen Dazy
- Division of Allergy, Asthma and Immunology, Scripps Clinic, San Diego, Calif
| | - Andrew A White
- Division of Allergy, Asthma and Immunology, Scripps Clinic, San Diego, Calif.
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184
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Virk H, Arthur G, Bradding P. Mast cells and their activation in lung disease. Transl Res 2016; 174:60-76. [PMID: 26845625 DOI: 10.1016/j.trsl.2016.01.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 01/07/2016] [Accepted: 01/12/2016] [Indexed: 12/14/2022]
Abstract
Mast cells and their activation contribute to lung health via innate and adaptive immune responses to respiratory pathogens. They are also involved in the normal response to tissue injury. However, mast cells are involved in disease processes characterized by inflammation and remodeling of tissue structure. In these diseases mast cells are often inappropriately and chronically activated. There is evidence for activation of mast cells contributing to the pathophysiology of asthma, pulmonary fibrosis, and pulmonary hypertension. They may also play a role in chronic obstructive pulmonary disease, acute respiratory distress syndrome, and lung cancer. The diverse mechanisms through which mast cells sense and interact with the external and internal microenvironment account for their role in these diseases. Newly discovered mechanisms of redistribution and interaction between mast cells, airway structural cells, and other inflammatory cells may offer novel therapeutic targets in these disease processes.
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Affiliation(s)
- Harvinder Virk
- Department of Infection, Immunity and Inflammation, Institute of Lung Health, University of Leicester, Leicester, United Kingdom
| | - Greer Arthur
- Department of Infection, Immunity and Inflammation, Institute of Lung Health, University of Leicester, Leicester, United Kingdom
| | - Peter Bradding
- Department of Infection, Immunity and Inflammation, Institute of Lung Health, University of Leicester, Leicester, United Kingdom.
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185
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Mizukawa Y, Doi T, Yamazaki Y, Kudo A, Shiohara T. Epidermal Neuromedin U Attenuates IgE-Mediated Allergic Skin Inflammation. PLoS One 2016; 11:e0160122. [PMID: 27463114 PMCID: PMC4963095 DOI: 10.1371/journal.pone.0160122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 06/13/2016] [Indexed: 11/18/2022] Open
Abstract
Although keratinocyte-derived neuropeptide neuromedin U (NMU) mediates the proinflammatory effects of innate-type mast cell activation, no information is available on the physiological roles. Here, to investigate the effects of NMU on IgE-mediated allergic skin inflammation, we determined whether IgE-mediated inflammation associated with severe scratching was induced in Nmu-/- mice administered repeated hapten applications to the ear or footpad. Dry skin was induced by targeted deletion of Nmu. Mice administered repeated hapten application developed IgE-mediated allergic inflammation characterized by severe scratching and increased serum IgE levels only when the ear, and not the footpad, was subjected to scratching, indicating that depletion of NMU from the epidermis alone does not drive such allergic inflammation. Thus, the susceptibility of Nmu-/- mice to allergic inflammation depends primarily on scratching dry skin. Further, allergic skin inflammation mediated by FcεRI cross-linking in Nmu-/-mice was inhibited by prior injection of NMU. These results indicate that NMU plays an important physiological role as a negative regulator during the late stage of IgE-mediated allergic skin inflammation.
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Affiliation(s)
- Yoshiko Mizukawa
- Department of Dermatology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
- * E-mail:
| | - Takaaki Doi
- Department of Dermatology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
| | - Yoshimi Yamazaki
- Department of Dermatology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
| | - Akihiko Kudo
- Department of Anatomy, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
| | - Tetsuo Shiohara
- Department of Dermatology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan
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186
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Möllerherm H, von Köckritz-Blickwede M, Branitzki-Heinemann K. Antimicrobial Activity of Mast Cells: Role and Relevance of Extracellular DNA Traps. Front Immunol 2016; 7:265. [PMID: 27486458 PMCID: PMC4947581 DOI: 10.3389/fimmu.2016.00265] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 06/22/2016] [Indexed: 01/08/2023] Open
Abstract
Mast cells (MCs) have been shown to release their nuclear DNA and subsequently form mast cell extracellular traps (MCETs) comparable to neutrophil extracellular traps, which are able to entrap and kill various microbes. The formation of extracellular traps is associated with the disruption of the nuclear membrane, which leads to mixing of nuclear compounds with granule components and causes the death of the cell, a process called ETosis. The question arises why do MCs release MCETs although they are very well known as multifunctional long-living sentinel cells? MCs are known to play a role during allergic reactions and certain parasitic infections. Nonetheless, they are also critical components of the early host innate immune response to bacterial and fungal pathogens: MCs contribute to the initiation of the early immune response by recruiting effector cells including neutrophils and macrophages by locally releasing inflammatory mediators, such as TNF-α. Moreover, various studies demonstrate that MCs are able to eliminate microbes through intracellular as well as extracellular antimicrobial mechanisms, including MCET formation similar to that of professional phagocytes. Recent literature leads to the suggestion that MCET formation is not the result of a passive release of DNA and granule proteins during cellular disintegration, but rather an active and controlled process in response to specific stimulation, which contributes to the innate host defense. This review will discuss the different known aspects of the antimicrobial activities of MCs with a special focus on MCETs, and their role and relevance during infection and inflammation.
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Affiliation(s)
- Helene Möllerherm
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover , Hanover , Germany
| | - Maren von Köckritz-Blickwede
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover, Hanover, Germany; Research Center for Emerging Infections and Zoonoses (RIZ), University for Veterinary Medicine Hannover, Hanover, Germany
| | - Katja Branitzki-Heinemann
- Department of Physiological Chemistry, University for Veterinary Medicine Hannover , Hanover , Germany
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187
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Parrella E, Porrini V, Iorio R, Benarese M, Lanzillotta A, Mota M, Fusco M, Tonin P, Spano P, Pizzi M. PEA and luteolin synergistically reduce mast cell-mediated toxicity and elicit neuroprotection in cell-based models of brain ischemia. Brain Res 2016; 1648:409-417. [PMID: 27423516 DOI: 10.1016/j.brainres.2016.07.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 07/08/2016] [Accepted: 07/12/2016] [Indexed: 10/21/2022]
Abstract
The combination of palmitoylethanolamide (PEA), an endogenous fatty acid amide belonging to the family of the N-acylethanolamines, and the flavonoid luteolin has been found to exert neuroprotective activities in a variety of mouse models of neurological disorders, including brain ischemia. Indirect findings suggest that the two molecules can reduce the activation of mastocytes in brain ischemia, thus modulating crucial cells that trigger the inflammatory cascade. Though, no evidence exists about a direct effect of PEA and luteolin on mast cells in experimental models of brain ischemia, either used separately or in combination. In order to fill this gap, we developed a novel cell-based model of severe brain ischemia consisting of primary mouse cortical neurons and cloned mast cells derived from mouse fetal liver (MC/9 cells) subjected to oxygen and glucose deprivation (OGD). OGD exposure promoted both mast cell degranulation and the release of lactate dehydrogenase (LDH) in a time-dependent fashion. MC/9 cells exacerbated neuronal damage in neuron-mast cells co-cultures exposed to OGD. Likewise, the conditioned medium derived from OGD-exposed MC/9 cells induced significant neurotoxicity in control primary neurons. PEA and luteolin pre-treatment synergistically prevented the OGD-induced degranulation of mast cells and reduced the neurotoxic potential of MC/9 cells conditioned medium. Finally, the association of the two drugs promoted a direct synergistic neuroprotection even in pure cortical neurons exposed to OGD. In summary, our results indicate that mast cells release neurotoxic factors upon OGD-induced activation. The association PEA-luteolin actively reduces mast cell-mediated neurotoxicity as well as pure neurons susceptibility to OGD.
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Affiliation(s)
- Edoardo Parrella
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | - Vanessa Porrini
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | - Rosa Iorio
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | - Marina Benarese
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | - Annamaria Lanzillotta
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | - Mariana Mota
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy.
| | | | | | - PierFranco Spano
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy; IRCCS San Camillo, Venezia, Italy.
| | - Marina Pizzi
- Division of Pharmacology, Department of Molecular and Translational Medicine, National Institute of Neuroscience, University of Brescia, Italy; IRCCS San Camillo, Venezia, Italy.
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188
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Cardamone C, Parente R, Feo GD, Triggiani M. Mast cells as effector cells of innate immunity and regulators of adaptive immunity. Immunol Lett 2016; 178:10-4. [PMID: 27393494 DOI: 10.1016/j.imlet.2016.07.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 07/04/2016] [Indexed: 02/06/2023]
Abstract
Mast cells are widely distributed in human organs and tissues and they are particularly abundant at major body interfaces with the external environment such as the skin, the lung and the gastrointestinal tract. Moreover, mast cells are located around blood vessels and are highly represented within central and peripheral lymphoid organs. The strategic distribution of mast cells closely reflects the primary role of these cells in providing first-line defense against environmental dangers, in regulating local and systemic inflammatory reactions and in shaping innate and adaptive immune responses. Human mast cells have pleiotropic and multivalent functions that make them highly versatile cells able to rapidly adapt responses to microenvironmental changes. They express a wide variety of surface receptors including immunoglobulin receptors, pathogen-associated molecular pattern receptors and danger signal receptors. The abundance of these receptors makes mast cells unique and effective surveillance cells able to detect promptly aggression by viral, bacterial and parasitic agents. In addition, mast cells express multiple receptors for cytokines and chemokines that confer them the capacity of being recruited and activated at sites of inflammation. Once activated by immunological or nonimmunological stimuli mast cells secrete a wide spectrum of preformed (early) and de novo synthesized (late) mediators. Preformed mediators are stored within granules and are rapidly released in the extracellular environment to provide a fast vascular response that promotes inflammation and local recruitment of other innate immunity cells such as neutrophils, eosinophils, basophils and monocyte/macrophages. Later on, delayed release of multiple cytokines and chemokines from mast cells further induce modulation of cells of adaptive immunity and regulates tissue injury and, eventually, resolution of inflammation. Finally, mast cells express several costimulatory and inhibitory surface molecules that can finely tune activities of T cells, B cells and regulatory cells by cognate interactions within lymphoid organs. The multivalent capacity to recognize and to react to internal and external dangers together with their ability to cross-talk with other immunocompetent cells make mast cells a unique effector cell of innate responses and a main bridge between innate and adaptive immunity.
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Affiliation(s)
- Chiara Cardamone
- Division of Allergy and Clinical Immunology, University of Salerno, Italy
| | - Roberta Parente
- Division of Allergy and Clinical Immunology, University of Salerno, Italy
| | - Giulia De Feo
- Division of Allergy and Clinical Immunology, University of Salerno, Italy
| | - Massimo Triggiani
- Division of Allergy and Clinical Immunology, University of Salerno, Italy.
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189
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Johnzon CF, Rönnberg E, Guss B, Pejler G. Live Staphylococcus aureus Induces Expression and Release of Vascular Endothelial Growth Factor in Terminally Differentiated Mouse Mast Cells. Front Immunol 2016; 7:247. [PMID: 27446077 PMCID: PMC4917549 DOI: 10.3389/fimmu.2016.00247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 06/11/2016] [Indexed: 11/13/2022] Open
Abstract
Mast cells have been shown to express vascular endothelial growth factor (VEGF), thereby implicating mast cells in pro-angiogenic processes. However, the mechanism of VEGF induction in mast cells and the possible expression of VEGF in fully mature mast cells have not been extensively studied. Here, we report that terminally differentiated peritoneal cell-derived mast cells can be induced to express VEGF in response to challenge with Staphylococcus aureus, thus identifying a mast cell–bacteria axis as a novel mechanism leading to VEGF release. Whereas live bacteria produced a robust upregulation of VEGF in mast cells, heat-inactivated bacteria failed to do so, and bacteria-conditioned media did not induce VEGF expression. The induction of VEGF was not critically dependent on direct cell–cell contact between bacteria and mast cells. Hence, these findings suggest that VEGF can be induced by soluble factors released during the co-culture conditions. Neither of a panel of bacterial cell-wall products known to activate toll-like receptor (TLR) signaling promoted VEGF expression in mast cells. In agreement with the latter, VEGF induction occurred independently of Myd88, an adaptor molecule that mediates the downstream events following TLR engagement. The VEGF induction was insensitive to nuclear factor of activated T-cells inhibition but was partly dependent on the nuclear factor kappa light-chain enhancer of activated B cells signaling pathway. Together, these findings identify bacterial challenge as a novel mechanism by which VEGF is induced in mast cells.
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Affiliation(s)
- Carl-Fredrik Johnzon
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences , Uppsala , Sweden
| | - Elin Rönnberg
- Department of Medical Biochemistry and Microbiology, Uppsala University , Uppsala , Sweden
| | - Bengt Guss
- Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences , Uppsala , Sweden
| | - Gunnar Pejler
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden; Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
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190
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Mayerhofer M, Aichberger KJ, Florian S, Valent P. Recognition Sites for Microbes and Components of the Immune System on Human Mast Cells: Relationship to CD Antigens and Implications for Host Defense. Int J Immunopathol Pharmacol 2016; 20:421-34. [PMID: 17880756 DOI: 10.1177/039463200702000301] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Traditionally, mast cells (MCs) have been considered to play an important role in allergic disorders and helminth infections. More recently, MCs have been implicated in a variety of different infectious diseases including life-threatening disorders caused by viruses and bacteria. Apart from recognition through specific IgE, MCs are considered to recognize such bacteria and viruses via specific cell surface binding sites. In addition, MCs interact with diverse components and cells of the immune system and thereby may facilitate the targeting and the elimination of invading microbes in the tissues. The current article provides an overview on MC antigens contributing to microbe recognition and targeting as an important element of natural host-defense.
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Affiliation(s)
- M Mayerhofer
- Division of Hematology & Hemostaseology, Medical University of Vienna, Vienna, Austria
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191
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Halova I, Draber P. Tetraspanins and Transmembrane Adaptor Proteins As Plasma Membrane Organizers-Mast Cell Case. Front Cell Dev Biol 2016; 4:43. [PMID: 27243007 PMCID: PMC4861716 DOI: 10.3389/fcell.2016.00043] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 04/25/2016] [Indexed: 12/16/2022] Open
Abstract
The plasma membrane contains diverse and specialized membrane domains, which include tetraspanin-enriched domains (TEMs) and transmembrane adaptor protein (TRAP)-enriched domains. Recent biophysical, microscopic, and functional studies indicated that TEMs and TRAP-enriched domains are involved in compartmentalization of physicochemical events of such important processes as immunoreceptor signal transduction and chemotaxis. Moreover, there is evidence of a cross-talk between TEMs and TRAP-enriched domains. In this review we discuss the presence and function of such domains and their crosstalk using mast cells as a model. The combined data based on analysis of selected mast cell-expressed tetraspanins [cluster of differentiation (CD)9, CD53, CD63, CD81, CD151)] or TRAPs [linker for activation of T cells (LAT), non-T cell activation linker (NTAL), and phosphoprotein associated with glycosphingolipid-enriched membrane microdomains (PAG)] using knockout mice or specific antibodies point to a diversity within these two families and bring evidence of the important roles of these molecules in signaling events. An example of this diversity is physical separation of two TRAPs, LAT and NTAL, which are in many aspects similar but show plasma membrane location in different microdomains in both non-activated and activated cells. Although our understanding of TEMs and TRAP-enriched domains is far from complete, pharmaceutical applications of the knowledge about these domains are under way.
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Affiliation(s)
- Ivana Halova
- Department of Signal Transduction, Institute of Molecular Genetics, Academy of Sciences of the Czech Republic Prague, Czech Republic
| | - Petr Draber
- Department of Signal Transduction, Institute of Molecular Genetics, Academy of Sciences of the Czech Republic Prague, Czech Republic
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192
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Xue L, Geng Y, Li M, Jin YF, Ren HX, Li X, Wu F, Wang B, Cheng WY, Chen T, Chen YJ. The effects of D3R on TLR4 signaling involved in the regulation of METH-mediated mast cells activation. Int Immunopharmacol 2016; 36:187-198. [PMID: 27156126 DOI: 10.1016/j.intimp.2016.04.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 04/09/2016] [Accepted: 04/19/2016] [Indexed: 01/06/2023]
Abstract
Accumulating studies have revealed that the dopamine D3 receptor (D3R) plays an important role in methamphetamine (METH) addiction. However, the action of D3R on METH-mediated immune response and the underlying mechanism remain unclear. Mast cells (MCs) are currently identified as effector cells in many processes of immune responses, and MC activation is induced by various stimuli such as lipopolysaccharide (LPS). Moreover, CD117 and FcεRI are known as MC markers due to their specific expression in MCs. To investigate the effects of D3R on METH-mediated alteration of LPS-induced MCs activation and the underlying mechanism, in this study, we examined the expression of CD117 and FcεRI in the intestines of wild-type (D3R(+/+)) and D3R-deficient (D3R(-/-)) mice. We also measured the production of MC-derived cytokines, including TNF-α, IL-6, IL-4, IL-13 and CCL-5, in the bone marrow-derived mast cells (BMMCs) of WT and D3R(-/-) mice. Furthermore, we explored the effects of D3R on METH-mediated TLR4 and downstream MAPK and NF-κB signaling induced by LPS in mouse BMMCs. We found that METH suppressed MC activation induced by LPS in the intestines of D3R(+/)mice. In contrast, LPS-induced MC activation was less affected by METH in D3R(-/-) mice. Furthermore, METH altered LPS-induced cytokine production in BMMCs of D3R(+/+) mice but not D3R(-/-) mice. D3R was also involved in METH-mediated modulation of LPS-induced expression of TLR4 and downstream MAPK and NF-κB signaling molecules in mouse BMMCs. Taken together, our findings demonstrate that the effect of D3R on TLR4 signaling may be implicated in the regulation of METH-mediated MCs activation induced by LPS.
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Affiliation(s)
- Li Xue
- Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China; Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an 71004, China
| | - Yan Geng
- Department of Laboratory, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an 71004, China
| | - Ming Li
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an 710061, China
| | - Yao-Feng Jin
- Pathology Department, The Second Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an 710004, China
| | - Hui-Xun Ren
- Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China
| | - Xia Li
- VIP Internal Medicine Department, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - Feng Wu
- Graduate Teaching and Experiment Centre, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China
| | - Biao Wang
- Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China
| | - Wei-Ying Cheng
- Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China
| | - Teng Chen
- Forensic Medicine College of Xi'an Jiaotong University, Key Laboratory of the Health Ministry for Forensic Medicine, Key Laboratory of the Ministry of Education for Environment and Genes Related to Diseases, Xi'an 710061, China
| | - Yan-Jiong Chen
- Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Basic Medical Sciences, Xi'an 710061, China.
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193
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Yu Y, Blokhuis BR, Garssen J, Redegeld FA. Non-IgE mediated mast cell activation. Eur J Pharmacol 2016; 778:33-43. [DOI: 10.1016/j.ejphar.2015.07.017] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 06/15/2015] [Accepted: 07/07/2015] [Indexed: 12/28/2022]
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194
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Theoharides TC. Danger Signals and Inflammation. Clin Ther 2016; 38:996-9. [DOI: 10.1016/j.clinthera.2016.03.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 03/28/2016] [Indexed: 01/12/2023]
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195
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Petra AI, Panagiotidou S, Hatziagelaki E, Stewart JM, Conti P, Theoharides TC. Gut-Microbiota-Brain Axis and Its Effect on Neuropsychiatric Disorders With Suspected Immune Dysregulation. Clin Ther 2016; 37:984-95. [PMID: 26046241 DOI: 10.1016/j.clinthera.2015.04.002] [Citation(s) in RCA: 356] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 04/04/2015] [Accepted: 04/07/2015] [Indexed: 12/15/2022]
Abstract
PURPOSE Gut microbiota regulate intestinal function and health. However, mounting evidence indicates that they can also influence the immune and nervous systems and vice versa. This article reviews the bidirectional relationship between the gut microbiota and the brain, termed the microbiota-gut-brain (MGB) axis, and discusses how it contributes to the pathogenesis of certain disorders that may involve brain inflammation. METHODS Articles were identified with a search of Medline (starting in 1980) by using the key words anxiety, attention-deficit hypersensitivity disorder (ADHD), autism, cytokines, depression, gut, hypothalamic-pituitary-adrenal (HPA) axis, inflammation, immune system, microbiota, nervous system, neurologic, neurotransmitters, neuroimmune conditions, psychiatric, and stress. FINDINGS Various afferent or efferent pathways are involved in the MGB axis. Antibiotics, environmental and infectious agents, intestinal neurotransmitters/neuromodulators, sensory vagal fibers, cytokines, and essential metabolites all convey information to the central nervous system about the intestinal state. Conversely, the hypothalamic-pituitary-adrenal axis, the central nervous system regulatory areas of satiety, and neuropeptides released from sensory nerve fibers affect the gut microbiota composition directly or through nutrient availability. Such interactions seem to influence the pathogenesis of a number of disorders in which inflammation is implicated, such as mood disorder, autism-spectrum disorders, attention-deficit hypersensitivity disorder, multiple sclerosis, and obesity. IMPLICATIONS Recognition of the relationship between the MGB axis and the neuroimmune systems provides a novel approach for better understanding and management of these disorders. Appropriate preventive measures early in life or corrective measures such as use of psychobiotics, fecal microbiota transplantation, and flavonoids are discussed.
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Affiliation(s)
- Anastasia I Petra
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, Massachusetts
| | - Smaro Panagiotidou
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, Massachusetts
| | - Erifili Hatziagelaki
- Second Department of Internal Medicine, Attikon General Hospital, Athens Medical School, Athens, Greece
| | - Julia M Stewart
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, Massachusetts
| | - Pio Conti
- Department of Medical Sciences, Immunology Division, University of Chieti, Via dei Vestini, Chieti, Italy
| | - Theoharis C Theoharides
- Molecular Immunopharmacology and Drug Discovery Laboratory, Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, Massachusetts; Department of Internal Medicine, Tufts University School of Medicine and Tufts Medical Center, Boston, Massachusetts; Department of Psychiatry, Tufts University School of Medicine and Tufts Medical Center, Boston, Massachusetts.
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196
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Ammendola M, Patruno R, Sacco R, Marech I, Sammarco G, Zuccalà V, Luposella M, Zizzo N, Gadaleta C, Porcelli M, Gadaleta CD, Ribatti D, Ranieri G. Mast cells positive to tryptase and tumour-associated macrophages correlate with angiogenesis in locally advanced colorectal cancer patients undergone to surgery. Expert Opin Ther Targets 2016; 20:533-40. [PMID: 26914851 DOI: 10.1517/14728222.2016.1158811] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The density of mast cells positive to tryptase (MCDPT) and tumor-associated macrophages (TAMs) were evaluated in a series of 87 patients with stage B and C colorectal cancer who had undergone radical surgery. METHODS MCDPT, TAMs, microvascular density (MVD), endothelial area (EA) and CD8(+) tumor infiltrating lymphocytes (CD8(+) TILs) were evaluated in tumor tissue samples by immunohistochemistry and image analysis. Each of the above parameters was correlated with the others and with the main clinico-pathological features. RESULTS A significant correlation between MCDPT, TAMs, MVD and EA was found by Pearson t-test analysis. With special references to the clinico-pathological features a minimal correlation using univariate analysis was found but it was not retained at multivariate analysis. CONCLUSIONS Our data suggest that MCDPT and TAMs are linked in the tumor microenvironment and play a role in CRC angiogenesis in a synergistic manner. The assessment of the combination MCDPT and TAMs could be evaluated as a target of novel anti-angiogenic therapies in colorectal cancer patients.
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Affiliation(s)
- Michele Ammendola
- a Department of Medical and Surgery Science, Clinical Surgery Unit , University of Catanzaro 'Magna Graecia' Medical School , Catanzaro , Italy.,b Surgery Unit , National Cancer Research Centre, Giovanni Paolo II , Bari , Italy
| | - Rosa Patruno
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
| | - Rosario Sacco
- a Department of Medical and Surgery Science, Clinical Surgery Unit , University of Catanzaro 'Magna Graecia' Medical School , Catanzaro , Italy
| | - Ilaria Marech
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
| | - Giuseppe Sammarco
- a Department of Medical and Surgery Science, Clinical Surgery Unit , University of Catanzaro 'Magna Graecia' Medical School , Catanzaro , Italy
| | - Valeria Zuccalà
- d Health Science Department, Pathology Unit , University of Catanzaro 'Magna Graecia' Medical School , Catanzaro , Italy
| | - Maria Luposella
- e Department of Medical and Surgery Science, Cardiovascular Disease Unit , University of Catanzaro 'Magna Graecia' Medical School , Catanzaro , Italy
| | - Nicola Zizzo
- f Chair of Pathology, Veterinary Medical School , University of Bari , Bari , Italy
| | - Claudia Gadaleta
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
| | - Mariangela Porcelli
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
| | - Cosmo Damiano Gadaleta
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
| | - Domenico Ribatti
- g Department of Basic Medical Sciences, Neurosciences and Sensory Organs , University of Bari Medical School , Bari , Italy.,h National Cancer Institute 'Giovanni Paolo II' , Bari , Italy
| | - Girolamo Ranieri
- c Diagnostic and Interventional Radiology Unit with Integrated Section of Translational Medical Oncology , National Cancer Research Centre, 'Giovanni Paolo II' , Bari , Italy
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197
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Kratzer B, Pickl WF. Years in Review: Recent Progress in Cellular Allergology. Int Arch Allergy Immunol 2016; 169:1-12. [PMID: 26953825 PMCID: PMC7058417 DOI: 10.1159/000444753] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
This review highlights the recent key advances in the biology of CD4+ effector T cells, antigen-presenting cells, Th17 and T regulatory cells, as well as immediate effector cells, such as mast cells, basophils and eosinophils, which are critically contributing to the better understanding of the pathophysiology of allergic diseases and are helping to improve their diagnosis and therapy. Some of the key advances with a direct impact on allergic asthma research and treatment are summarized.
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Affiliation(s)
- Bernhard Kratzer
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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198
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Ammendola M, Sacco R, Sammarco G, Luposella M, Patruno R, Gadaleta CD, Sarro GD, Ranieri G. Mast Cell-Targeted Strategies in Cancer Therapy. Transfus Med Hemother 2016; 43:109-13. [PMID: 27330532 DOI: 10.1159/000444942] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 02/18/2016] [Indexed: 02/06/2023] Open
Abstract
Mast cells (MCs) are cells that originate in the bone marrow from pluripotent CD34+ hematopoietic stem cells. Precursors of MCs migrate through the circulation to their target tissues, completing their maturation process into granulated cells under the influence of several microenvironment growth factors. The most important of these factors is the ligand for the c-Kit receptor (c-Kit-R) namely stem cell factor (SCF), secreted mainly by fibroblasts and endothelial cells (ECs). SCF also regulates development, survival and de novo proliferation of MCs. It has already been demonstrated that gain-of-function mutations of gene c-Kit encoding c-Kit-R result in the development of some tumors. Furthermore, MCs are able also to modulate both innate and adaptive immune response and to express the high-affinity IgE receptor following IgE activation. Among the other IgE-independent MC activation mechanisms, a wide variety of other surface receptors for cytokines, chemokines, immunoglobulins, and complement are also described. Interestingly, MCs can stimulate angiogenesis by releasing of several pro-angiogenic cytokines stored in their cytoplasm. Studies published in the last year suggest that angiogenesis stimulated by MCs may play an important role in tumor growth and progression. Here, we aim to focus several biological features of MCs and to summarize new anti-cancer MC-targeted strategies with potential translation in human clinical trials.
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Affiliation(s)
- Michele Ammendola
- Department of Medical and Surgical Sciences, General Surgery Unit, University of Catanzaro 'Magna Graecia' Medical School, Catanzaro, Italy
| | - Rosario Sacco
- Department of Medical and Surgical Sciences, General Surgery Unit, University of Catanzaro 'Magna Graecia' Medical School, Catanzaro, Italy
| | - Giuseppe Sammarco
- Department of Medical and Surgical Sciences, General Surgery Unit, University of Catanzaro 'Magna Graecia' Medical School, Catanzaro, Italy
| | - Maria Luposella
- Cardiovascular Disease Unit, 'San Giovanni di Dio' Hospital, Crotone, Italy
| | - Rosa Patruno
- Interventional Radiology Unit with Integrated Section of Translational Medical Oncology, National Cancer Research Centre, 'Giovanni Paolo II', Bari, Italy
| | - Cosmo Damiano Gadaleta
- Interventional Radiology Unit with Integrated Section of Translational Medical Oncology, National Cancer Research Centre, 'Giovanni Paolo II', Bari, Italy
| | - Giovambattista De Sarro
- Department of Health Science, Clinical Pharmacology and Pharmacovigilance Unit and Pharmacovigilance's Centre Calabria Region, University of Catanzaro 'Magna Graecia' Medical School, Catanzaro, Italy
| | - Girolamo Ranieri
- Interventional Radiology Unit with Integrated Section of Translational Medical Oncology, National Cancer Research Centre, 'Giovanni Paolo II', Bari, Italy
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199
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Kinbara M, Bando K, Shiraishi D, Kuroishi T, Nagai Y, Ohtsu H, Takano-Yamamoto T, Sugawara S, Endo Y. Mast cell histamine-mediated transient inflammation following exposure to nickel promotes nickel allergy in mice. Exp Dermatol 2016; 25:466-71. [PMID: 26910392 DOI: 10.1111/exd.12985] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2016] [Indexed: 12/19/2022]
Abstract
We previously reported that allergic responses to nickel (Ni) were minimal in mice deficient in the histamine-forming enzyme histidine decarboxylase (HDC-KO), suggesting an involvement of histamine in allergic responses to Ni. However, it remains unclear how histamine is involved in the process of Ni allergy. Here, we examined the role of histamine in Ni allergy using a murine model previously established by us. Mice were sensitized to Ni by intraperitoneal injection of a NiCl2 -lipopolysaccharide (LPS) mixture. Ten days later, allergic inflammation was elicited by challenging ear-pinnas intradermally with NiCl2 . Then, ear-swelling was measured. Pyrilamine (histamine H1-receptor antagonist) or cromoglicate (mast cell stabilizer) was intravenously injected 1 h before the sensitization or the challenge. In cell-transfer experiments, spleen cells from Ni-sensitized donor mice were intravenously transferred into non-sensitized recipient mice. In both sensitized and non-sensitized mice, 1 mm or more NiCl2 (injected into ear-pinnas) induced transient non-allergic inflammation (Ni-TI) with accompanying mast cell degranulation. LPS did not affect the magnitude of this Ni-TI. Pyrilamine and cromoglicate reduced either the Ni-TI or the ensuing allergic inflammation when administered before Ni-TI (at either the sensitization or elicitation step), but not if administered when the Ni-TI had subsided. Experiments on HDC-KO and H1-receptor-KO mice, and also cell-transfer experiments using these mice, demonstrated histamine's involvement in both the sensitization and elicitation steps. These results suggest that mast cell histamine-mediated Ni-TI promotes subsequent allergic inflammatory responses to Ni, raising the possibility that control of Ni-TI by drugs may be effective at preventing or reducing Ni allergy.
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Affiliation(s)
- Masayuki Kinbara
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan.,Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Kanan Bando
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan.,Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Daisuke Shiraishi
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Toshinobu Kuroishi
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Yasuhiro Nagai
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Hiroshi Ohtsu
- Department of Applied Quantum Medical Engineering, School of Engineering, Tohoku University, Sendai, Japan
| | - Teruko Takano-Yamamoto
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Shunji Sugawara
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Yasuo Endo
- Department of Molecular Regulation, Graduate School of Dentistry, Tohoku University, Sendai, Japan
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200
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NOD1 and NOD2 Interact with the Phagosome Cargo in Mast Cells: A Detailed Morphological Evidence. Inflammation 2016; 38:1113-25. [PMID: 25502289 DOI: 10.1007/s10753-014-0077-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Mast cells (MC) play a key role in triggering the inflammatory process and share some functions with professional phagocytes. It is not clear whether or not the phagocytic process in MC follows the same route and has the same meaning of that of professional phagocytes. Herein we analyze in detail the structure of the phagosome in rat peritoneal mast cells (RPMC). The ultrastructural analysis of the phagosome, containing either model particles or bacteria, reveals that these vacuoles are very tight, and in several areas, their membrane seems to have dissolved. RPMC express NOD1 and NOD2 proteins whose role is to recognize intracellular foreign components and induce the production of pro-inflammatory mediators. Following Escherichia coli ingestion, both these molecules are found on the phagosome membrane and on ingested pathogens, together with phagosome maturation markers. These findings suggest that in RPMC the ingested cargo can, through interruptions of the phagosome membrane, interact directly with NODs, which act as switches in the process of cytokine production.
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