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Tufts DM, Hart TM, Chen GF, Kolokotronis SO, Diuk-Wasser MA, Lin YP. Outer surface protein polymorphisms linked to host-spirochete association in Lyme borreliae. Mol Microbiol 2019; 111:868-882. [PMID: 30666741 DOI: 10.1111/mmi.14209] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2019] [Indexed: 12/15/2022]
Abstract
Lyme borreliosis is caused by multiple species of the spirochete bacteria Borrelia burgdorferi sensu lato. The spirochetes are transmitted by ticks to vertebrate hosts, including small- and medium-sized mammals, birds, reptiles, and humans. Strain-to-strain variation in host-specific infectivity has been documented, but the molecular basis that drives this differentiation is still unclear. Spirochetes possess the ability to evade host immune responses and colonize host tissues to establish infection in vertebrate hosts. In turn, hosts have developed distinct levels of immune responses when invaded by different species/strains of Lyme borreliae. Similarly, the ability of Lyme borreliae to colonize host tissues varies among different spirochete species/strains. One potential mechanism that drives this strain-to-strain variation of immune evasion and colonization is the polymorphic outer surface proteins produced by Lyme borreliae. In this review, we summarize research on strain-to-strain variation in host competence and discuss the evidence that supports the role of spirochete-produced protein polymorphisms in driving this variation in host specialization. Such information will provide greater insights into the adaptive mechanisms driving host and Lyme borreliae association, which will lead to the development of interventions to block pathogen spread and eventually reduce Lyme borreliosis health burden.
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Affiliation(s)
- Danielle M Tufts
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - Thomas M Hart
- Department of Biological Sciences, University at Albany, Albany, NY, USA.,Division of Infectious Diseases, Wadsworth Center, New York State Department of Health, Albany, NY, USA
| | - Grace F Chen
- Department of Biology, Misericordia University, Dallas, PA, USA
| | - Sergios-Orestis Kolokotronis
- Department of Epidemiology and Biostatistics, School of Public Health, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Maria A Diuk-Wasser
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - Yi-Pin Lin
- Division of Infectious Diseases, Wadsworth Center, New York State Department of Health, Albany, NY, USA.,Department of Biomedical Sciences, University at Albany, Albany, NY, USA
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Phagocytic Receptors Activate Syk and Src Signaling during Borrelia burgdorferi Phagocytosis. Infect Immun 2017; 85:IAI.00004-17. [PMID: 28717031 DOI: 10.1128/iai.00004-17] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 07/10/2017] [Indexed: 11/20/2022] Open
Abstract
Phagocytosis of the Lyme disease-causing pathogen Borrelia burgdorferi has been shown to be important for generating an inflammatory response to the pathogen. As a result, understanding the mechanisms of phagocytosis has been an area of great interest in the field of Lyme disease. Several cell surface receptors that participate in B. burgdorferi phagocytosis have been reported, including the scavenger receptor MARCO and integrin α3β1. We sought to define the mechanisms by which these receptors mediate phagocytosis and to identify signaling pathways activated downstream of these receptors upon contact with B. burgdorferi We identified both Syk and Src signaling pathways as ones that participate in B. burgdorferi phagocytosis and the resulting cytokine activation. In our studies, we found that both MARCO and integrin β1 play a role in the activation of the Src kinase pathway. However, only integrin β1 participates in the activation of Syk. Interestingly, the integrin activates Syk without the help of the signaling adaptor Dap12 or FcRγ. Thus, we report that multiple pathways participate in B. burgdorferi internalization and that different cell surface receptors act simultaneously in cooperation and independently to mediate phagocytosis.
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Bernard Q, Wang Z, Di Nardo A, Boulanger N. Interaction of primary mast cells with Borrelia burgdorferi (sensu stricto): role in transmission and dissemination in C57BL/6 mice. Parasit Vectors 2017; 10:313. [PMID: 28655322 PMCID: PMC5488306 DOI: 10.1186/s13071-017-2243-0] [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: 10/17/2016] [Accepted: 06/12/2017] [Indexed: 11/13/2022] Open
Abstract
Background Borrelia burgdorferi (sensulato), the causative agent of Lyme borreliosis is a bacterium transmitted by hard ticks, Ixodes spp. Bacteria are injected into the host skin during the tick blood meal with tick saliva. There, Borrelia and saliva interact together with skin cells such as keratinocytes, fibroblasts, mast cells and other specific immune cells before disseminating to target organs. Methods To study the role of mast cells in the transmission of Lyme borreliosis, we isolated mouse primary mast cells from bone marrow and incubated them in the presence of Borrelia burgdorferi (sensu stricto) and tick salivary gland extract. We further analyzed their potential role in vivo, in a mouse model of deficient in mast cells (Kitwsh−/− mice). Results To our knowledge, we report here for the first time the bacteria ability to induce the inflammatory response of mouse primary mast cells. We show that OspC, a major surface lipoprotein involved in the early transmission of Borrelia, induces the degranulation of primary mast cells but has a limited effect on the overall inflammatory response of these cells. In contrast, whole bacteria have an opposite effect. We also show that mast cell activation is significantly inhibited by tick salivary gland extract. Finally, we demonstrate that mast cells are likely not the only host cells involved in the early transmission and dissemination of Borrelia since the use of mast cell deficient Kitwsh−/− mice shows a limited impact on these two processes in the context of this mouse genetic background. Conclusions The absence of mast cells did not change the replication rate of Borrelia in the skin. However, in the absence of mast cells, Borrelia dissemination to the joints was faster. Mast cells do not control skin bacterial proliferation during primary infection and the establishment of the primary infection, as shown in the C57BL/6 mouse model studied. Nevertheless, the Borrelia induced cytotokine modulation on mast cells might be involved in long term and/or repeated infections and protect from Lyme borreliosis due to the development of a hypersensitivity to tick saliva. Electronic supplementary material The online version of this article (doi:10.1186/s13071-017-2243-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Quentin Bernard
- EA7290 Virulence bactérienne précoce: groupe borréliose de Lyme, Fédération de médecine translationnelle et Faculté de Pharmacie de Strasbourg, Université de Strasbourg, Strasbourg, France.,Present address: Department of Veterinary Medicine, University of Maryland, College Park, USA
| | - Zhenping Wang
- Department of Dermatology, University of California, San Diego, USA
| | - Anna Di Nardo
- Department of Dermatology, University of California, San Diego, USA
| | - Nathalie Boulanger
- EA7290 Virulence bactérienne précoce: groupe borréliose de Lyme, Fédération de médecine translationnelle et Faculté de Pharmacie de Strasbourg, Université de Strasbourg, Strasbourg, France. .,Centre National de Reference Borrelia, Centre Hospitalier Universitaire, Strasbourg, France.
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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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5
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Rizzi A, Crivellato E, Benagiano V, Ribatti D. Mast cells in human digestive tube in normal and pathological conditions. Immunol Lett 2016; 177:16-21. [DOI: 10.1016/j.imlet.2016.07.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 06/20/2016] [Accepted: 07/04/2016] [Indexed: 01/15/2023]
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Kelesidis T. The Cross-Talk between Spirochetal Lipoproteins and Immunity. Front Immunol 2014; 5:310. [PMID: 25071771 PMCID: PMC4075078 DOI: 10.3389/fimmu.2014.00310] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 06/17/2014] [Indexed: 12/11/2022] Open
Abstract
Spirochetal diseases such as syphilis, Lyme disease, and leptospirosis are major threats to public health. However, the immunopathogenesis of these diseases has not been fully elucidated. Spirochetes interact with the host through various structural components such as lipopolysaccharides (LPS), surface lipoproteins, and glycolipids. Although spirochetal antigens such as LPS and glycolipids may contribute to the inflammatory response during spirochetal infections, spirochetes such as Treponema pallidum and Borrelia burgdorferi lack LPS. Lipoproteins are most abundant proteins that are expressed in all spirochetes and often determine how spirochetes interact with their environment. Lipoproteins are pro-inflammatory, may regulate responses from both innate and adaptive immunity and enable the spirochetes to adhere to the host or the tick midgut or to evade the immune system. However, most of the spirochetal lipoproteins have unknown function. Herein, the immunomodulatory effects of spirochetal lipoproteins are reviewed and are grouped into two main categories: effects related to immune evasion and effects related to immune activation. Understanding lipoprotein-induced immunomodulation will aid in elucidating innate immunopathogenesis processes and subsequent adaptive mechanisms potentially relevant to spirochetal disease vaccine development and to inflammatory events associated with spirochetal diseases.
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Affiliation(s)
- Theodoros Kelesidis
- Division of Infectious Diseases, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles , Los Angeles, CA , USA
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7
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Belperron AA, Liu N, Booth CJ, Bockenstedt LK. Dual role for Fcγ receptors in host defense and disease in Borrelia burgdorferi-infected mice. Front Cell Infect Microbiol 2014; 4:75. [PMID: 24967215 PMCID: PMC4052197 DOI: 10.3389/fcimb.2014.00075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Accepted: 05/19/2014] [Indexed: 11/19/2022] Open
Abstract
Arthritis in mice infected with the Lyme disease spirochete, Borrelia burgdorferi, results from the influx of innate immune cells responding to the pathogen in the joint and is influenced in part by mouse genetics. Production of inflammatory cytokines by innate immune cells in vitro is largely mediated by Toll-like receptor (TLR) interaction with Borrelia lipoproteins, yet surprisingly mice deficient in TLR2 or the TLR signaling molecule MyD88 still develop arthritis comparable to that seen in wild type mice after B. burgdorferi infection. These findings suggest that other, MyD88-independent inflammatory pathways can contribute to arthritis expression. Clearance of B. burgdorferi is dependent on the production of specific antibody and phagocytosis of the organism. As Fc receptors (FcγR) are important for IgG-mediated clearance of immune complexes and opsonized particles by phagocytes, we examined the role that FcγR play in host defense and disease in B. burgdorferi-infected mice. B. burgdorferi-infected mice deficient in the Fc receptor common gamma chain (FcεRγ−/− mice) harbored ~10 fold more spirochetes than similarly infected wild type mice, and this was associated with a transient increase in arthritis severity. While the elevated pathogen burdens seen in B. burgdorferi-infected MyD88−/− mice were not affected by concomitant deficiency in FcγR, arthritis was reduced in FcεRγ−/−MyD88−/− mice in comparison to wild type or single knockout mice. Gene expression analysis from infected joints demonstrated that absence of both MyD88 and FcγR lowers mRNA levels of proteins involved in inflammation, including Cxcl1 (KC), Xcr1 (Gpr5), IL-1beta, and C reactive protein. Taken together, our results demonstrate a role for FcγR-mediated immunity in limiting pathogen burden and arthritis in mice during the acute phase of B. burgdorferi infection, and further suggest that this pathway contributes to the arthritis that develops in B. burgdorferi-infected MyD88−/− mice.
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Affiliation(s)
- Alexia A Belperron
- Section of Rheumatology, Department of Internal Medicine, Yale University School of Medicine New Haven, CT, USA
| | - Nengyin Liu
- Section of Rheumatology, Department of Internal Medicine, Yale University School of Medicine New Haven, CT, USA
| | - Carmen J Booth
- Section of Comparative Medicine, Yale University School of Medicine New Haven, CT, USA
| | - Linda K Bockenstedt
- Section of Rheumatology, Department of Internal Medicine, Yale University School of Medicine New Haven, CT, USA
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Yang X, Qin J, Promnares K, Kariu T, Anderson JF, Pal U. Novel microbial virulence factor triggers murine lyme arthritis. J Infect Dis 2013; 207:907-18. [PMID: 23303811 DOI: 10.1093/infdis/jis930] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Borrelia burgdorferi bba57 is a conserved gene encoding a potential lipoprotein of unknown function. Here we show that bba57 is up-regulated in vivo and is required for early murine infection and potential spirochete transmission process. Although BBA57 is dispensable for late murine infection, the mutants were unable to induce disease. We show that BBA57, an outer membrane and surface-exposed antigen, is a major trigger of murine Lyme arthritis; even in cases of larger challenge inocula, which allow their persistence in joints at a level similar to wild-type spirochetes, bba57 mutants are unable to induce joint inflammation. We further showed that BBA57 deficiency reduces the expression of selected "neutrophil-recruiting" chemokines and associated receptors, causing significant impairment of neutrophil chemotaxis. New approaches to combat Lyme disease may include strategies to interfere with BBA57, a novel virulence factor and a trigger of murine Lyme arthritis.
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Affiliation(s)
- Xiuli Yang
- Department of Veterinary Medicine, University of Maryland, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park, MD, USA
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Interleukin-10 alters effector functions of multiple genes induced by Borrelia burgdorferi in macrophages to regulate Lyme disease inflammation. Infect Immun 2011; 79:4876-92. [PMID: 21947773 DOI: 10.1128/iai.05451-11] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Interleukin-10 (IL-10) modulates inflammatory responses elicited in vitro and in vivo by Borrelia burgdorferi, the Lyme disease spirochete. How IL-10 modulates these inflammatory responses still remains elusive. We hypothesize that IL-10 inhibits effector functions of multiple genes induced by B. burgdorferi in macrophages to control concomitantly elicited inflammation. Because macrophages are essential in the initiation of inflammation, we used mouse J774 macrophages and live B. burgdorferi spirochetes as the model target cell and stimulant, respectively. First, we employed transcriptome profiling to identify genes that were induced by stimulation of cells with live spirochetes and that were perturbed by addition of IL-10 to spirochete cultures. Spirochetes significantly induced upregulation of 347 genes at both the 4-h and 24-h time points. IL-10 inhibited the expression levels, respectively, of 53 and 65 of the 4-h and 24-h genes, and potentiated, respectively, at 4 h and 24 h, 65 and 50 genes. Prominent among the novel identified IL-10-inhibited genes also validated by quantitative real-time PCR (qRT-PCR) were Toll-like receptor 1 (TLR1), TLR2, IRAK3, TRAF1, IRG1, PTGS2, MMP9, IFI44, IFIT1, and CD40. Proteome analysis using a multiplex enzyme-linked immunosorbent assay (ELISA) revealed the IL-10 modulation/and or potentiation of RANTES/CCL5, macrophage inflammatory protein 2 (MIP-2)/CXCL2, IP-10/CXCL10, MIP-1α/CCL3, granulocyte colony-stimulating factor (G-CSF)/CSF3, CXCL1, CXCL5, CCL2, CCL4, IL-6, tumor necrosis factor alpha (TNF-α), IL-1α, IL-1β, gamma interferon (IFN-γ), and IL-9. Similar results were obtained using sonicated spirochetes or lipoprotein as stimulants. Our data show that IL-10 alters effectors induced by B. burgdorferi in macrophages to control concomitantly elicited inflammatory responses. Moreover, for the first time, this study provides global insight into potential mechanisms used by IL-10 to control Lyme disease inflammation.
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10
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Shelburne CP, Abraham SN. The mast cell in innate and adaptive immunity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2011; 716:162-85. [PMID: 21713657 DOI: 10.1007/978-1-4419-9533-9_10] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mast cells (MCs) were once considered only as effector cells in pathogenic IgE- and IgG-mediated responses such as allergy. However, developments over the last 15 years have suggested that MCs have evolved in vertebrates as beneficial effector cells that are involved in the very first inflammatory responses generated during infection. This pro-inflammatory environment has been demonstrated to be important for initiating innate responses in many different models of infection and more recently, in the development of adaptive immunity as well. Interestingly this latter finding has led to the discovery that small MC-activating compounds can behave as adjuvants in vaccine formulations. Thus, our continued understanding of the MC in the context of infectious disease is likely to not only expand our scope of the MC in the normal processes of immunity, but provide new therapeutic targets to combat disease.
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11
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Ribatti D, Crivellato E. Mast cells, angiogenesis, and tumour growth. Biochim Biophys Acta Mol Basis Dis 2010; 1822:2-8. [PMID: 21130163 DOI: 10.1016/j.bbadis.2010.11.010] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 10/08/2010] [Accepted: 11/24/2010] [Indexed: 02/07/2023]
Abstract
Accumulation of mast cells (MCs) in tumours was described by Ehrlich in his doctoral thesis. Since this early account, ample evidence has been provided highlighting participation of MCs to the inflammatory reaction that occurs in many clinical and experimental tumour settings. MCs are bone marrow-derived tissue-homing leukocytes that are endowed with a panoply of releasable mediators and surface receptors. These cells actively take part to innate and acquired immune reactions as well as to a series of fundamental functions such as angiogenesis, tissue repair, and tissue remodelling. The involvement of MCs in tumour development is debated. Although some evidence suggests that MCs can promote tumourigenesis and tumour progression, there are some clinical sets as well as experimental tumour models in which MCs seem to have functions that favour the host. One of the major issues linking MCs to cancer is the ability of these cells to release potent pro-angiogenic factors. This review will focus on the most recent acquisitions about this intriguing field of research. This article is part of a Special Issue entitled: Mast cells in inflammation.
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Affiliation(s)
- Domenico Ribatti
- Department of Human Anatomy and Histology, University of Bari Medical School, 70124 Bari, Italy.
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Strle K, Drouin EE, Shen S, El Khoury J, McHugh G, Ruzic-Sabljic E, Strle F, Steere AC. Borrelia burgdorferi stimulates macrophages to secrete higher levels of cytokines and chemokines than Borrelia afzelii or Borrelia garinii. J Infect Dis 2009; 200:1936-43. [PMID: 19909078 DOI: 10.1086/648091] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
To delineate the inflammatory potential of the 3 pathogenic species of Borrelia burgdorferi sensu lato, we stimulated monocyte-derived macrophages from healthy human donors with 10 isolates each of B. burgdorferi, Borrelia afzelii, or Borrelia garinii recovered from erythema migrans skin lesions of patients with Lyme borreliosis from the United States or Slovenia. B. burgdorferi isolates from the United States induced macrophages to secrete significantly higher levels of interleukin (IL)-8, CCL3, CCL4, IL-6, IL-10, and tumor necrosis factor than B. garinii or B. afzelii isolates. Consistent with this response in cultured macrophages, chemokine and cytokine levels in serum samples of patients from whom the isolates were obtained were significantly greater in B. burgdorferi-infected patients than in B. afzelii- or B. garinii-infected patients. These results demonstrate in vitro and in vivo that B. burgdorferi has greater inflammatory potential than B. afzelii and B. garinii, which may account in part for variations in the clinical manifestations of Lyme borreliosis.
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Affiliation(s)
- Klemen Strle
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.
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Crivellato E, Ribatti D. The fundamental contribution of William Bate Hardy to shape the concept of mast cell heterogeneity. Br J Haematol 2009; 150:152-7. [PMID: 19814740 DOI: 10.1111/j.1365-2141.2009.07938.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This review article acknowledges the pioneering contribution of William Bate Hardy in shaping the concept of mast cell heterogeneity. In two outstanding papers, published in 1894 and 1895, he focussed on the 'wandering cells' (the modern leucocytes) in different mammalian species and distinguished two types of granular basophil cells, i.e., the coarsely granular basophil cells and the splanchnic basophil cells. These corresponded to the populations of connective tissue-type and mucosal mast cells, respectively, described 70 years later by Enerbäck in rodents. Among the coarsely granular basophil cells, he also differentiated those cells which populated the serosal cavities - the so-called coelomic coarsely granular basophil cells - from the common coarsely granular basophil cells, which were localized in the connective tissues. He stated that the granular basophil cells presented with different morphological and histochemical characteristics in diverse animal species as well as at different anatomical sites. Remarkably, he performed a series of functional experiments on the basophil cells as well as the other wandering cells, and suggested the view that different granular basophil cells might express functional specializations.
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Affiliation(s)
- Enrico Crivellato
- Department of Medical and Morphological Research, Anatomy Section, University of Udine Medical School, Udine, Italy.
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Imajo N, Kurihara D, Fukuishi N, Inukai A, Matsushita S, Noda S, Toyoda M, Yoshioka M, Teruya H, Nishii Y, Matsui N, Akagi M. Lipoteichoic acid improves the capability of mast cells in the host defense system against bacteria. Inflamm Res 2009; 58:797-807. [PMID: 19468828 DOI: 10.1007/s00011-009-0050-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2008] [Revised: 04/02/2009] [Accepted: 04/27/2009] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES AND DESIGN We investigated the effects of microbial components on the uptake of microbes by mast cells (MCs), and studied the change in cytokine production in MCs after bacterial uptake. MATERIAL OR SUBJECTS LAD2 human mast cells, cord-blood and peripheral-blood derived MCs were employed to analyze their surface molecule expression and cytokine generation by flow cytometry. Bacterial internalization in these MCs was observed by confocal microscopy and flow cytometry. RESULTS Complement receptor 3 expression was augmented by LTA but not by PGN or 3CpG-oligodeoxynucleotide. LTA also enhanced the uptake of opsonized bacteria (over twofold augmentation). After bacterial uptake, MCs augmented the production of chemoattractant cytokines for neutrophils, while Th1 and Th2 cytokine production showed little or no change. CONCLUSIONS LTA increases the capability of the MC as a sentinel in the host immune response, and some bacterial components direct human MC function towards innate immunity after pathogen infection.
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Affiliation(s)
- Naoki Imajo
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Tokushima, Japan
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The controversial role of mast cells in tumor growth. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2009; 275:89-131. [PMID: 19491054 DOI: 10.1016/s1937-6448(09)75004-x] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Mast cells (MCs) were first described by Paul Ehrlich (Beiträge zur Theorie und Praxis der Histologischen Färbung, Thesis, Leipzig University, 1878). They have long been implicated in the pathogenesis of allergic reactions and protective responses to parasites. However, their functional role has been found to be complex and multifarious. MCs are also involved in various cell-mediated immune reactions and found in tissues from multiple disease sites, and as a component of the host reaction to bacteria, parasite, and even virus infections. They also participate in angiogenic and tissue repair processes after injury. The importance of a possible functional link between chronic inflammation and cancer has long been recognized. As most tumors contain inflammatory cell infiltrates, which often include plentiful MCs, a possible contribution of these cells to tumor development has emerged. In this review, general biology of mast cells, their development, anatomical distribution, and phenotype as well as their secretory products will first be discussed. The specific involvement of MCs in tumor biology and tumor fate will then be considered, with particular emphasis on their capacity to stimulate tumor growth by promoting angiogenesis and lymphangiogenesis. Finally, it is suggested that mast cells may serve as a novel therapeutic target for cancer treatment.
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Yang X, Izadi H, Coleman AS, Wang P, Ma Y, Fikrig E, Anguita J, Pal U. Borrelia burgdorferi lipoprotein BmpA activates pro-inflammatory responses in human synovial cells through a protein moiety. Microbes Infect 2008; 10:1300-8. [PMID: 18725314 DOI: 10.1016/j.micinf.2008.07.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2008] [Revised: 07/20/2008] [Accepted: 07/29/2008] [Indexed: 11/26/2022]
Abstract
Borrelia burgdorferi invasion of mammalian joints results in genesis of Lyme arthritis. Other than spirochete lipids, existence of protein antigens, which are abundant in joints and participate in B. burgdorferi-induced host inflammatory response, is unknown. Here, we report that major products of the B. burgdorferi basic membrane protein (bmp) A/B operon that are induced in murine and human joints, possess inflammatory properties. Compared to the wild type B. burgdorferi, an isogenic bmpA/B mutant induced significantly lower levels of pro-inflammatory cytokines TNF-alpha and IL-1beta in cultured human synovial cells, which could be restored using bmpA/B-complemented mutants, and more directly, upon addition of recombinant BmpA, but not BmpB or control spirochete proteins. Non-lipidated and lipidated versions of BmpA induced similar levels of cytokines, and remained unaffected by treatment with lipopolysaccharide inhibitor, polymyxin B. The bmpA/B mutant was also impaired in the induction of NF-kappaB and p38 MAP kinase signaling pathways in synovial cells, which were activated by non-lipidated BmpA. These results show that a protein moiety of BmpA can induce cytokine responses in synovial cells via activation of the NF-kappaB and p38 MAP kinase pathways and thus, could potentially contribute to the genesis of Lyme arthritis.
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Affiliation(s)
- Xiuli Yang
- Department of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
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Steere AC. Lyme borreliosis in 2005, 30 years after initial observations in Lyme Connecticut. Wien Klin Wochenschr 2007; 118:625-33. [PMID: 17160599 DOI: 10.1007/s00508-006-0687-x] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nearly 100 years ago, Afzelius described a patient with an expanding skin lesion, called erythema migrans, which is now known to be the initial skin manifestation of Lyme borreliosis. Approximately 70 years later, in 1976, epidemiologic evaluation of a cluster of children with arthritis in Lyme, Connecticut led to a complete description of the infection. During the subsequent years, investigators in a number of countries have made remarkable strides in the elucidation of this tick-borne spirochetal infection. The purpose of this review is to discuss the current status of Lyme borreliosis, including areas in which knowledge of the infection is still incomplete.
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Affiliation(s)
- Allen C Steere
- Center for Immunology and Inflammatory Diseases, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.
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Sekar Y, Moon TC, Muñoz S, Befus AD. Role of nitric oxide in mast cells: controversies, current knowledge, and future applications. Immunol Res 2006; 33:223-39. [PMID: 16462000 DOI: 10.1385/ir:33:3:223] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Mast cells (MC) are important effector cells in allergic disorders. Recently, the role of MC in innate and adaptive immunity is gaining prominence. Nitric oxide is an important signaling molecule and its production in mast cell has been reported widely. However, controversy exists about whether MC produce NO. This review addresses the role of NO in MC biology and the reasons behind the controversy and discusses effects of NO in regulation of MC phenotype and function.
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Affiliation(s)
- Yokananth Sekar
- Pulmonary Research Group, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Kulka M, Fukuishi N, Rottem M, Mekori YA, Metcalfe DD. Mast cells, which interact with Escherichia coli, up-regulate genes associated with innate immunity and become less responsive to Fc(epsilon)RI-mediated activation. J Leukoc Biol 2005; 79:339-50. [PMID: 16282532 DOI: 10.1189/jlb.1004600] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Mast cells, which are associated with T helper cell type 2-dependent inflammation, have now been implicated in the innate immune response. To further characterize how mast cells are programmed to respond to infectious organisms, we used expression profiling using DNA microarray analysis of gene expression by human mast cells (huMC) during ingestion of Escherichia coli and examined immunoglobulin E (IgE)-mediated degranulation. Analysis of data revealed that specific groups of genes were modulated, including genes encoding transcription factors, cell signaling molecules, cell cycle regulators, enzymes, cytokines, novel chemokines of the CC family, adhesion molecules, and costimulatory molecules. Enzyme-linked immunosorbent assay analysis confirmed the production of tumor necrosis factor and the chemokines CC chemokine ligand (CCL)-1/I-309, CCL-19/macrophage-inflammatory protein-3beta (MIP-3beta), and CCL-18/MIP-4; flow cytometry confirmed the up-regulation of carcinoembryonic antigen-related cell adhesion molecule 1, the integrin CD49d, and CD80. Coincubation with E. coli down-regulated Fc receptor for IgE I (FcepsilonRI) expression and FcepsilonRI-mediated huMC degranulation. These data are consistent with the concept that bacterial exposure directs mast cell responses toward innate immunity and away from IgE-mediated effects.
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Affiliation(s)
- Marianna Kulka
- Allergy-Immunology Division, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Rupprecht TA, Koedel U, Muhlberger B, Wilske B, Fontana A, Pfister HW. CXCL11 is involved in leucocyte recruitment to the central nervous system in neuroborreliosis. J Neurol 2005; 252:820-3. [PMID: 15750703 DOI: 10.1007/s00415-005-0752-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2004] [Revised: 11/22/2004] [Accepted: 11/24/2004] [Indexed: 10/25/2022]
Abstract
We investigated the role of the CXCR3 chemokine CXCL11 (I-TAC) for leukocyte recruitment to the CSF in neuroborreliosis (NB). CXCL11 levels in the CSF of 17 patients with acute NB were elevated compared with 20 non-inflammatory controls (100.1 vs. 54.1 pg/ml, p = 0.002). Using a modified Boyden chamber chemotaxis-assay, the CSF of patients with acute NB was more chemotactic than the control CSF-samples (p = 0.001). A strong correlation (p < 0.001) between CXCL11 levels, chemotactic activity and CSF-white cell count was detected. Though the chemotactic activity of CSF from NB patients was only partially reduced by a human recombinant CXCL11 antibody, these findings suggest that, among other chemotactic factors, CXCL11 may play a role in the chemotaxis of mononuclear cells in NB.
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Affiliation(s)
- Tobias A Rupprecht
- Dept. of Neurology, Klinikum Grosshadern Ludwig-Maximilians University, Marchioninistr. 15, 81377 Munich, Germany
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Matsushima H, Yamada N, Matsue H, Shimada S. TLR3-, TLR7-, and TLR9-mediated production of proinflammatory cytokines and chemokines from murine connective tissue type skin-derived mast cells but not from bone marrow-derived mast cells. THE JOURNAL OF IMMUNOLOGY 2004; 173:531-41. [PMID: 15210814 DOI: 10.4049/jimmunol.173.1.531] [Citation(s) in RCA: 201] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Recent studies have revealed that murine bone marrow-derived cultured mast cells (BMMC), which are phenotypically immature mast cells, express functional TLR2 and TLR4 that recognize distinct pathogen-associated molecules. However, it remains relatively uncertain whether mast cells express other TLR. We recently established a method to obtain large numbers of murine fetal skin-derived cultured mast cells (FSMC); these cells exhibit important features of connective tissue type mast cells. Working with FSMC and BMMC, the TLR mRNA expression profiles were compared between both cell types. Although TLR2 and TLR4 mRNA were detected in both cells at comparable levels, TLR3, TLR7, and TLR9 mRNA were expressed by FSMC at higher levels than by BMMC, suggesting distinct TLR expression profiles among different mast cell populations. With respect to their functional aspects, FSMC, but not BMMC, dose dependently produced proinflammatory cytokines (TNF-alpha and IL-6) and chemokines (RANTES, MIP-1alpha, and MIP-2) in response to poly(I:C), R-848, and CpG oligodeoxynucleotide, which are TLR3, TLR7, and TLR9 activators, respectively. Interestingly, these TLR activators failed to induce degranulation and IL-13 production by both mast cells, although peptidoglycan and LPS (TLR2 and TLR4 activators, respectively) induced IL-13 production by both cells. Mast cells, thus, may have potential to recruit other immune cells to the infected sites by responding to various bacterial and viral components through TLR signaling pathways, presumably being involved in initiating innate immunity and subsequently linking innate and acquired immune responses.
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Affiliation(s)
- Hironori Matsushima
- Department of Dermatology, Faculty of Medicine, University of Yamanashi, 1110 Shimokato, Tamaho, Nakakoma, Yamanashi 409-3898, Japan
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Abstract
Since its identification nearly 30 years ago, Lyme disease has continued to spread, and there have been increasing numbers of cases in the northeastern and north central US. The Lyme disease agent, Borrelia burgdorferi, causes infection by migration through tissues, adhesion to host cells, and evasion of immune clearance. Both innate and adaptive immune responses, especially macrophage- and antibody-mediated killing, are required for optimal control of the infection and spirochetal eradication. Ecological conditions favorable to the disease, and the challenge of prevention, predict that Lyme disease will be a continuing public health concern.
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Affiliation(s)
- Allen C Steere
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.
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Abstract
Before the first description of Lyme arthritis in 1976, patients with this disease were often thought to have juvenile or adult rheumatoid arthritis. It is now known that Lyme arthritis is caused by a tick-borne spirochete that disseminates to joints, where it induces marked pro-inflammatory responses. In most patients, the arthritis resolves with antibiotic treatment. However, in the United States, about 10% of patients with Lyme arthritis develop persistent synovitis, which lasts for months or even several years after the apparent eradication of the spirochete from the joint with antibiotic therapy. The elucidation of Lyme arthritis, from acute infection to chronic synovitis, might help in our understanding not only of this entity, but also of other forms of chronic inflammatory arthritis, including rheumatoid arthritis.
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Affiliation(s)
- Allen C Steere
- Center for Immunology and Inflammatory Diseases, Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.
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Glickstein L, Moore B, Bledsoe T, Damle N, Sikand V, Steere AC. Inflammatory cytokine production predominates in early Lyme disease in patients with erythema migrans. Infect Immun 2003; 71:6051-3. [PMID: 14500528 PMCID: PMC201073 DOI: 10.1128/iai.71.10.6051-6053.2003] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In a study of cytokine production ex vivo by Borrelia burgdorferi-stimulated peripheral blood mononuclear cells from 27 patients with culture-positive erythema migrans, production of inflammatory cytokines predominated, particularly gamma interferon and, to a lesser degree, tumor necrosis factor alpha. In contrast, with the exception of interleukin-13, anti-inflammatory cytokine production was negligible. Thus, B. burgdorferi antigens in early Lyme disease often induce a strong inflammatory response.
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Affiliation(s)
- Lisa Glickstein
- Division of Rheumatology/Immunology, New England Medical Center, Tufts University School of Medicine, Boston, MA 02111, USA.
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Brown CR, Blaho VA, Loiacono CM. Susceptibility to experimental Lyme arthritis correlates with KC and monocyte chemoattractant protein-1 production in joints and requires neutrophil recruitment via CXCR2. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2003; 171:893-901. [PMID: 12847259 DOI: 10.4049/jimmunol.171.2.893] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The development of experimental Lyme arthritis has been correlated with the expression of a number of chemokines and cytokines, however, none of these have been measured directly from the arthritic joint. We examined the temporal expression of IL-1beta, IL-4, IL-6, IL-10, IL-12p70, GM-CSF, IFN-gamma, TNF-alpha, macrophage inflammatory protein-2, KC, macrophage inflammatory protein-1alpha, and monocyte chemoattractant protein-1 directly from the tibiotarsal joint in arthritis-resistant C57BL/6 (B6) and -susceptible C3H/He (C3H) mice. Only the chemokines KC and monocyte chemoattractant protein-1 were differentially expressed in joints of B6 and C3H mice and correlated with the development of Lyme arthritis. Infection of CXCR2(-/-) mice on either genetic background resulted in a significant decrease in the development of pathology, although infection of CCR2(-/-) mice had little or no effect. Neutrophils in CXCR2(-/-) mice were marginalized within blood vessels and could not enter the joint tissue. These results suggest that chemokine-mediated recruitment of neutrophils into the infected joint is a key requirement for the development of experimental Lyme arthritis.
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MESH Headings
- Animals
- Arthritis, Experimental/genetics
- Arthritis, Experimental/immunology
- Arthritis, Experimental/microbiology
- Arthritis, Experimental/pathology
- Borrelia burgdorferi/immunology
- Chemokine CCL2/biosynthesis
- Chemokine CCL2/metabolism
- Chemokine CXCL1
- Chemokines/biosynthesis
- Chemokines, CXC
- Cytokines/biosynthesis
- Cytokines/metabolism
- Cytokines/physiology
- Female
- Genetic Predisposition to Disease
- Hindlimb
- Lyme Disease/genetics
- Lyme Disease/immunology
- Lyme Disease/pathology
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C3H
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Mice, Knockout
- Neutrophil Infiltration/genetics
- Neutrophil Infiltration/immunology
- Receptors, CCR2
- Receptors, Chemokine/deficiency
- Receptors, Chemokine/genetics
- Receptors, Interleukin-8B/deficiency
- Receptors, Interleukin-8B/genetics
- Receptors, Interleukin-8B/physiology
- Severity of Illness Index
- Synovial Membrane/immunology
- Synovial Membrane/metabolism
- Synovial Membrane/pathology
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Affiliation(s)
- Charles R Brown
- Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO 65211, USA.
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Féger F, Varadaradjalou S, Gao Z, Abraham SN, Arock M. The role of mast cells in host defense and their subversion by bacterial pathogens. Trends Immunol 2002; 23:151-8. [PMID: 11864844 DOI: 10.1016/s1471-4906(01)02156-1] [Citation(s) in RCA: 110] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Mast cells (MCs) play a prominent role in the early immune response to invading pathogenic bacteria. This newly discovered role for MCs involves the release of chemoattractants that recruit neutrophils and the direct phagocytosis and killing of opsonized bacteria. Whereas these activities are clearly beneficial to the host, certain pathogens have evolved mechanisms to evoke anomalous MC responses to the detriment of the host. These include evoking phagocytosis without killing of unopsonized bacteria and the production of toxins that corrupt the release of mediators by MCs. Elucidating how pathogens subvert the activities of MCs could provide clues to limiting the pathological activities of these cells during infectious diseases.
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Affiliation(s)
- Frédéric Féger
- Dept of Cellular and Molecular Hematology, UPRES-EA 2509, Faculty of Pharmacy, 4 Avenue de l'Observatoire, 75006, Paris, France
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Abstract
The concept of mast cells as playing a critical and multifaceted role in immune defense against pathogens is new, and effective ways to study and validate this notion are required. Recently, a number of approaches have been described that can be used to study the molecular aspects of mast cell recognition of pathogens, and of specific mast cell responses, such as mediator release, bacterial endocytosis and mast cell migration, to pathogens.
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Affiliation(s)
- J B McLachlan
- Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA.
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