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Nakhleh-Francis Y, Awad-Igbaria Y, Sakas R, Bang S, Abu-Ata S, Palzur E, Lowenstein L, Bornstein J. Exploring Localized Provoked Vulvodynia: Insights from Animal Model Research. Int J Mol Sci 2024; 25:4261. [PMID: 38673846 PMCID: PMC11050705 DOI: 10.3390/ijms25084261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Provoked vulvodynia represents a challenging chronic pain condition, characterized by its multifactorial origins. The inherent complexities of human-based studies have necessitated the use of animal models to enrich our understanding of vulvodynia's pathophysiology. This review aims to provide an exhaustive examination of the various animal models employed in this research domain. A comprehensive search was conducted on PubMed, utilizing keywords such as "vulvodynia", "chronic vulvar pain", "vulvodynia induction", and "animal models of vulvodynia" to identify pertinent studies. The search yielded three primary animal models for vulvodynia: inflammation-induced, allergy-induced, and hormone-induced. Additionally, six agents capable of triggering the condition through diverse pathways were identified, including factors contributing to hyperinnervation, mast cell proliferation, involvement of other immune cells, inflammatory cytokines, and neurotransmitters. This review systematically outlines the various animal models developed to study the pathogenesis of provoked vulvodynia. Understanding these models is crucial for the exploration of preventative measures, the development of novel treatments, and the overall advancement of research within the field.
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Affiliation(s)
- Yara Nakhleh-Francis
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya 2210001, Israel; (S.B.); (L.L.); (J.B.)
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Yaseen Awad-Igbaria
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Reem Sakas
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Sarina Bang
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya 2210001, Israel; (S.B.); (L.L.); (J.B.)
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Saher Abu-Ata
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Eilam Palzur
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Lior Lowenstein
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya 2210001, Israel; (S.B.); (L.L.); (J.B.)
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
| | - Jacob Bornstein
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya 2210001, Israel; (S.B.); (L.L.); (J.B.)
- Research Institute of Galilee Medical Center, Nahariya 2210001, Israel; (Y.A.-I.); (R.S.); (S.A.-A.); (E.P.)
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed 1311502, Israel
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Zhang S, Liu Y, Javeed A, Jian C, Sun J, Wu S, Han B. Treatment of allergy: Overview of synthetic anti-allergy small molecules in medicinal chemistry. Eur J Med Chem 2023; 249:115151. [PMID: 36731273 DOI: 10.1016/j.ejmech.2023.115151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 01/30/2023]
Abstract
The prevalence of allergic diseases has been continuously increasing over the past few decades, affecting approximately 20-30% of the global population. Allergic reactions to infection of respiratory tract, digestive tract, and skin system involve multiple different targets. The main difficulty of anti-allergy research is how to develop drugs with good curative effect and less side effects by adopting new multi-targets and mechanisms according to the clinical characteristics of different allergic populations and different allergens. This review focuses on information concerning potential therapeutic targets as well as the synthetic anti-allergy small molecules with respect to their medicinal chemistry. The structure-activity relationship and the mechanism of compound-target interaction were highlighted with perspective to histamine-1/4 receptor antagonists, leukotriene biosynthesis, Th2 cytokines inhibitors, and calcium channel blockers. We hope that the study of chemical scaffold modification and optimization for different lead compounds summarized in this review not only lays the foundation for improvement of success rate and efficiency of virtual screening of antiallergic drugs, but also can provide valuable reference for the drug design of related promising research such as allergy, inflammation, and cancer.
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Affiliation(s)
- Shanshan Zhang
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Laboratory of Antiallergy Functional Molecules, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yi Liu
- Hangzhou Zheda Dixun Biological Gene Engineering Co., LTD., Hangzhou, China
| | - Ansar Javeed
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Laboratory of Antiallergy Functional Molecules, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Cuiqin Jian
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Laboratory of Antiallergy Functional Molecules, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jinlyu Sun
- Department of Allergy, Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Diseases, National Clinical Research Center for Dermatologic and Immunologic Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100730, China
| | - Shandong Wu
- Hangzhou Zheda Dixun Biological Gene Engineering Co., LTD., Hangzhou, China
| | - Bingnan Han
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Laboratory of Antiallergy Functional Molecules, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
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3
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Honda T, Keith YH. Novel Insights Into the Immune-Regulatory Functions of Mast Cells in the Cutaneous Immune Response. Front Immunol 2022; 13:898419. [PMID: 35634300 PMCID: PMC9134104 DOI: 10.3389/fimmu.2022.898419] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/19/2022] [Indexed: 12/05/2022] Open
Abstract
Skin is a frontline organ that is continuously exposed to external stimuli, including pathogens. Various immune cells reside in the skin under physiological conditions and protect the body from the entry of pathogens/antigens by interacting with each other and orchestrating diverse cutaneous immune responses. To avoid unnecessary inflammation and tissue damage during the elimination of external pathogens and antigens, skin possesses regulatory systems that fine-tune these immune reactions. Mast cells (MCs) are one of the skin-resident immune cell populations that play both effector and regulatory functions in the cutaneous immune response. So far, the interleukin-10-mediated mechanisms have mostly been investigated as the regulatory mechanisms of MCs. Recent studies have elucidated other regulatory mechanisms of MCs, such as the maintenance of regulatory T/B cells and the programmed cell death protein-1/programmed cell death-ligand 1-mediated inhibitory pathway. These regulatory pathways of MCs have been suggested to play important roles in limiting the excessive inflammation in inflammatory skin diseases, such as contact and atopic dermatitis. The regulatory functions of MCs may also be involved in the escape mechanisms of antitumor responses in skin cancers, such as melanoma. Understanding and controlling the regulatory functions of skin MCs may lead to novel therapeutic strategies for inflammatory skin diseases and skin cancers.
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Affiliation(s)
- Tetsuya Honda
- Department of Dermatology, Hamamatsu University School of Medicine, Hamamatsu, Japan
- *Correspondence: Tetsuya Honda,
| | - Yuki Honda Keith
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Galli SJ, Gaudenzio N, Tsai M. Mast Cells in Inflammation and Disease: Recent Progress and Ongoing Concerns. Annu Rev Immunol 2021; 38:49-77. [PMID: 32340580 DOI: 10.1146/annurev-immunol-071719-094903] [Citation(s) in RCA: 172] [Impact Index Per Article: 57.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Mast cells have existed long before the development of adaptive immunity, although they have been given different names. Thus, in the marine urochordate Styela plicata, they have been designated as test cells. However, based on their morphological characteristics (including prominent cytoplasmic granules) and mediator content (including heparin, histamine, and neutral proteases), test cells are thought to represent members of the lineage known in vertebrates as mast cells. So this lineage presumably had important functions that preceded the development of antibodies, including IgE. Yet mast cells are best known, in humans, as key sources of mediators responsible for acute allergic reactions, notably including anaphylaxis, a severe and potentially fatal IgE-dependent immediate hypersensitivity reaction to apparently harmless antigens, including many found in foods and medicines. In this review, we briefly describe the origins of tissue mast cells and outline evidence that these cells can have beneficial as well as detrimental functions, both innately and as participants in adaptive immune responses. We also discuss aspects of mast cell heterogeneity and comment on how the plasticity of this lineage may provide insight into its roles in health and disease. Finally, we consider some currently open questions that are yet unresolved.
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Affiliation(s)
- Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, USA; , .,Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California 94305, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California 94305, USA
| | - Nicolas Gaudenzio
- Unité de Différenciation Epithéliale et Autoimmunité Rhumatoïde (UDEAR), INSERM UMR 1056, Université de Toulouse, 31 059 Toulouse CEDEX 9, France;
| | - Mindy Tsai
- Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, USA; , .,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, California 94305, USA
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Voss M, Kotrba J, Gaffal E, Katsoulis-Dimitriou K, Dudeck A. Mast Cells in the Skin: Defenders of Integrity or Offenders in Inflammation? Int J Mol Sci 2021; 22:ijms22094589. [PMID: 33925601 PMCID: PMC8123885 DOI: 10.3390/ijms22094589] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/23/2021] [Accepted: 04/25/2021] [Indexed: 12/13/2022] Open
Abstract
Mast cells (MCs) are best-known as key effector cells of immediate-type allergic reactions that may even culminate in life-threatening anaphylactic shock syndromes. However, strategically positioned at the host–environment interfaces and equipped with a plethora of receptors, MCs also play an important role in the first-line defense against pathogens. Their main characteristic, the huge amount of preformed proinflammatory mediators embedded in secretory granules, allows for a rapid response and initiation of further immune effector cell recruitment. The same mechanism, however, may account for detrimental overshooting responses. MCs are not only detrimental in MC-driven diseases but also responsible for disease exacerbation in other inflammatory disorders. Focusing on the skin as the largest immune organ, we herein review both beneficial and detrimental functions of skin MCs, from skin barrier integrity via host defense mechanisms to MC-driven inflammatory skin disorders. Moreover, we emphasize the importance of IgE-independent pathways of MC activation and their role in sustained chronic skin inflammation and disease exacerbation.
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Affiliation(s)
- Martin Voss
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Johanna Kotrba
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Evelyn Gaffal
- Laboratory for Experimental Dermatology, Department of Dermatology, University Hospital Magdeburg, 39120 Magdeburg, Germany;
| | - Konstantinos Katsoulis-Dimitriou
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
| | - Anne Dudeck
- Medical Faculty, Institute for Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (M.V.); (J.K.); (K.K.-D.)
- Health Campus Immunology, Infectiology and Inflammation, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
- Correspondence:
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Murphy-Schafer AR, Paust S. Divergent Mast Cell Responses Modulate Antiviral Immunity During Influenza Virus Infection. Front Cell Infect Microbiol 2021; 11:580679. [PMID: 33680987 PMCID: PMC7935524 DOI: 10.3389/fcimb.2021.580679] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Influenza A virus (IAV) is a respiratory pathogen that infects millions of people each year. Both seasonal and pandemic strains of IAV are capable of causing severe respiratory disease with a high risk of respiratory failure and opportunistic secondary infection. A strong inflammatory cytokine response is a hallmark of severe IAV infection. The widespread tissue damage and edema in the lung during severe influenza is largely attributed to an overexuberant production of inflammatory cytokines and cell killing by resident and infiltrating leukocytes. Mast cells (MCs) are a sentinel hematopoietic cell type situated at mucosal sites, including the lung. Poised to react immediately upon detecting infection, MCs produce a vast array of immune modulating molecules, including inflammatory cytokines, chemokines, and proteases. As such, MCs have been implicated as a source of the immunopathology observed in severe influenza. However, a growing body of evidence indicates that MCs play an essential role not only in inducing an inflammatory response but in suppressing inflammation as well. MC-derived immune suppressive cytokines are essential to the resolution of a number of viral infections and other immune insults. Absence of MCs prolongs infection, exacerbates tissue damage, and contributes to dissemination of the pathogen to other tissues. Production of cytokines such as IL-10 and IL-6 by MCs is essential for mitigating the inflammation and tissue damage caused by innate and adaptive immune cells alike. The two opposing functions of MCs—one pro-inflammatory and one anti-inflammatory—distinguish MCs as master regulators of immunity at the site of infection. Amongst the first cells to respond to infection or injury, MCs persist for the duration of the infection, modulating the recruitment, activation, and eventual suppression of other immune cells. In this review, we will discuss the immune modulatory roles of MCs over the course of viral infection and propose that the immune suppressive mediators produced by MCs are vital to minimizing immunopathology during influenza infection.
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Affiliation(s)
- Ashleigh R Murphy-Schafer
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, United States
| | - Silke Paust
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, United States
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Nakamura T, Yoshida N, Yamanoi Y, Honryo A, Tomita H, Kuwabara H, Kojima Y. Eucalyptus oil reduces allergic reactions and suppresses mast cell degranulation by downregulating IgE-FcεRI signalling. Sci Rep 2020; 10:20940. [PMID: 33262354 PMCID: PMC7708995 DOI: 10.1038/s41598-020-77039-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 11/02/2020] [Indexed: 02/03/2023] Open
Abstract
Eucalyptus oil has been used since ancient times for its bactericidal, anti-inflammatory, analgesic and sedative effects. In recent years, the action of Eucalyptus oil has been scientifically proven, and there have been reports that Eucalyptus oil suppresses the production of chemokines, cytokines and lipid mediators in basophils, alveolar macrophages and monocytes. Based on this information, we aimed to verify whether Eucalyptus oil can be used for allergic dermatitis, the incidence of which has been increasing among human skin diseases. This effect was verified using a mouse IgE-mediated local allergic model. In conclusion, topical application of Eucalyptus oil suppressed oedema and vascular permeability enhancement due to IgE-mediated allergic on the skin. In addition, we also verified the degranuration of mast cells, which is a part of its action, and examined whether 1,8-cineole, which is the main component of Eucalyptus oil, suppresses the phosphorylation of PLCγ and p38 directly or indirectly. 1,8-cineole was found to suppress degranulation of mast cells.
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Affiliation(s)
- Tomoya Nakamura
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan.
| | - Naoki Yoshida
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
| | - Yu Yamanoi
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
| | - Akira Honryo
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
| | - Hiroyuki Tomita
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
| | - Hiroki Kuwabara
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
| | - Yoshihiko Kojima
- Department of R&D Center, Ikeda Mohando Co., Ltd, 16 Jinden, Kamiichi, Nakaniikawa, Toyama, 930-0394, Japan
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Svanberg S, Li Z, Öhlund P, Roy A, Åbrink M. Mast Cells Limit Ear Swelling Independently of the Chymase Mouse Mast Cell Protease 4 in an MC903-Induced Atopic Dermatitis-Like Mouse Model. Int J Mol Sci 2020; 21:ijms21176311. [PMID: 32878208 PMCID: PMC7503626 DOI: 10.3390/ijms21176311] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 12/31/2022] Open
Abstract
Atopic dermatitis (AD) is a complex, often lifelong allergic disease with severe pruritus affecting around 10% of both humans and dogs. To investigate the role of mast cells (MCs) and MC-specific proteases on the immunopathogenesis of AD, a vitamin D3-analog (MC903) was used to induce clinical AD-like symptoms in c-kit-dependent MC-deficient Wsh−/− and the MC protease-deficient mMCP-4−/−, mMCP-6−/−, and CPA3−/− mouse strains. MC903-treatment on the ear lobe increased clinical scores and ear-thickening, along with increased MC and granulocyte infiltration and activity, as well as increased levels of interleukin 33 (IL-33) locally and thymic stromal lymphopoietin (TSLP) both locally and systemically. The MC-deficient Wsh−/− mice showed significantly increased clinical score and ear thickening albeit having lower ear tissue levels of IL-33 and TSLP as well as lower serum levels of TSLP as compared to the WT mice. In contrast, although having significantly increased IL-33 ear tissue levels the chymase-deficient mMCP-4−/− mice showed similar clinical score, ear thickening, and TSLP levels in ear tissue and serum as the WT mice, whereas mMCP-6 and CPA3 -deficient mice showed a slightly reduced ear thickening and granulocyte infiltration. Our results suggest that MCs promote and control the level of MC903-induced AD-like inflammation.
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Affiliation(s)
- Sofie Svanberg
- Evidensia Djurkliniken Öjebyn, Öjagatan 81, 94331 Öjebyn, Sweden;
- Section of Immunology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, VHC, Box 7028, 75007 Uppsala, Sweden;
| | - Zhiqiang Li
- Section of Immunology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, VHC, Box 7028, 75007 Uppsala, Sweden;
- Department of Immunology, School of Basic Medical Sciences, Guizhou Medical University, 550025 Guiyang, China
| | - Pontus Öhlund
- Section of Virology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, VHC, Box 7028, 75007 Uppsala, Sweden;
| | - Ananya Roy
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, 75185 Uppsala, Sweden;
| | - Magnus Åbrink
- Section of Immunology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, VHC, Box 7028, 75007 Uppsala, Sweden;
- Correspondence: ; Tel.: +46-70-673-6569
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9
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Hernandez JD, Yu M, Sibilano R, Tsai M, Galli SJ. Development of multiple features of antigen-induced asthma pathology in a new strain of mast cell deficient BALB/c-Kit W-sh/W-sh mice. J Transl Med 2020; 100:516-526. [PMID: 31857699 PMCID: PMC7102933 DOI: 10.1038/s41374-019-0354-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/25/2019] [Accepted: 10/29/2019] [Indexed: 11/26/2022] Open
Abstract
Mast cell-deficient mice are widely used to identify and quantify contributions of mast cells to diverse biological responses in vivo, including allergic inflammation. However, despite the fact that scores of genes have been identified as modifiers of allergic inflammation, most mast cell-deficient models have been available only on a single genetic background. We transferred the KitW-sh allele onto the BALB/c background to generate BALB/c mast cell-deficient mice (BALB/c-KitW-sh/W-sh). BALB/c-KitW-sh/W-sh mice have dramatically reduced mast cell numbers (0-2% of wild type) in all tissues examined, as well as subtle hematologic differences from the corresponding wild type mice, including splenomegaly with evidence of increased splenic hematopoiesis. We examined in BALB/c-KitW-sh/W-sh mice models of allergic inflammation that are substantially diminished in C57BL/6-KitW-sh/W-sh mast cell-deficient mice. In a model of acute allergic inflammation, i.e., IgE-dependent passive cutaneous anaphylaxis, both ear swelling and leukocyte infiltration were largely or entirely absent in BALB/c-KitW-sh/W-sh mice. In contrast, in two different models of allergic airway inflammation, airway hyperresponsiveness, lung inflammation, and airway remodeling developed robustly in mast cell-deficient BALB/c-KitW-sh/W-sh mice. These results support the conclusion that the importance of mast cell contributions in various models of allergic inflammation may be at least partially determined by genetic background.
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Affiliation(s)
- Joseph D Hernandez
- Department of Pathology and the Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pediatrics, Division of Immunology, Allergy and Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
| | - Mang Yu
- Department of Pathology and the Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
| | - Riccardo Sibilano
- Department of Pathology and the Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
| | - Mindy Tsai
- Department of Pathology and the Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
| | - Stephen J Galli
- Department of Pathology and the Sean N. Parker Center for Allergy & Asthma Research, Stanford University School of Medicine, Stanford, CA, USA.
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA.
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10
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Olivera A, Rivera J. Paradigm Shifts in Mast Cell and Basophil Biology and Function: An Emerging View of Immune Regulation in Health and Disease. Methods Mol Biol 2020; 2163:3-31. [PMID: 32766962 DOI: 10.1007/978-1-0716-0696-4_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The physiological role of the mast cell and basophil has for many years remained enigmatic. In this chapter, we briefly summarize some of the more recent studies that shed new light on the role of mast cells and basophils in health and disease. What we gain from these studies is a new appreciation for mast cells and basophils as sentinels in host defense and a further understanding that dysregulation of mast cell and basophil function can be a component of various diseases other than allergies. Perhaps the most important insight reaped from this work is the increasing awareness that mast cells and basophils can function as immunoregulatory cells that modulate the immune response in health and disease. Collectively, the recent knowledge provides new challenges and opportunities toward the development of novel therapeutic strategies to augment host protection and modify disease through manipulation of mast cell and basophil function.
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Affiliation(s)
- Ana Olivera
- Molecular Immunology Section, Laboratory of Molecular Immunogenetics, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA.
- Mast Cell Biology Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, USA.
| | - Juan Rivera
- Molecular Immunology Section, Laboratory of Molecular Immunogenetics, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
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11
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Denisow-Pietrzyk M, Pietrzyk Ł, Denisow B. Asteraceae species as potential environmental factors of allergy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:6290-6300. [PMID: 30666578 PMCID: PMC6428906 DOI: 10.1007/s11356-019-04146-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 01/02/2019] [Indexed: 05/09/2023]
Abstract
The statistics from Europe and the USA have proven a high risk for skin diseases associated with plant contact. Therefore, plant-induced dermatitis is of increasing attention in dermatology. The focus of this paper was to present the current knowledge on aspects of contact allergy related to Asteraceae (Compositae) species. The Asteraceae family is one of the largest in the world with members across all continents. The PubMed/Medline databases have been searched. The Asteraceae representatives consist of diverse secondary metabolites, which exhibit various advantageous effects in humans. In particular, sesquiterpene lactones (SLs) may cause sensitization resulting in skin irritation and inflammation. In this study, we tried to reveal the allergenic potential of several Asteraceae species. The Asteraceae-related allergy symptoms involve eczema, hay fever, asthma, or even anaphylaxis. Furthermore, the evidence of severe cross-reactivity with food and pollen allergens (PFS) in patients sensitive to Asteraceae allergens have been announced. Further identification and characterization of secondary metabolites and possible allergens in Asteraceae are necessary for the better understanding of Asteraceae-related immune response. The Asteraceae allergy screening panel (the SL mix and the Compositae mix of five plant species) is a promising tool to improve allergy diagnostics and therapy.
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Affiliation(s)
- Marta Denisow-Pietrzyk
- Department of Dermatology, 1st Military Clinical Hospital with the Outpatient Clinic in Lublin, Lublin, Poland
- Department of Didactics and Medical Simulation, Chair of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-094, Lublin, Poland
| | - Łukasz Pietrzyk
- Department of Didactics and Medical Simulation, Chair of Anatomy, Medical University of Lublin, Jaczewskiego 4, 20-094, Lublin, Poland.
- Department of General, Oncological and Minimally Invasive Surgery, 1st Military Clinical Hospital with the Outpatient Clinic in Lublin, Lublin, Poland.
| | - Bożena Denisow
- Department of Botany, Subdepartment of Plants Biology, University of Life Sciences in Lublin, Akademicka 15, 20-950, Lublin, Poland.
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Che D, Hou Y, Zeng Y, Li C, Zhang Y, Wei D, Hu S, Liu R, An H, Wang Y, Zhang T. Dehydroandrographolide inhibits IgE-mediated anaphylactic reactions via calcium signaling pathway. Toxicol Appl Pharmacol 2019; 366:46-53. [DOI: 10.1016/j.taap.2019.01.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/16/2019] [Accepted: 01/22/2019] [Indexed: 01/23/2023]
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Mukai K, Tsai M, Saito H, Galli SJ. Mast cells as sources of cytokines, chemokines, and growth factors. Immunol Rev 2019; 282:121-150. [PMID: 29431212 DOI: 10.1111/imr.12634] [Citation(s) in RCA: 452] [Impact Index Per Article: 90.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Mast cells are hematopoietic cells that reside in virtually all vascularized tissues and that represent potential sources of a wide variety of biologically active secreted products, including diverse cytokines and growth factors. There is strong evidence for important non-redundant roles of mast cells in many types of innate or adaptive immune responses, including making important contributions to immediate and chronic IgE-associated allergic disorders and enhancing host resistance to certain venoms and parasites. However, mast cells have been proposed to influence many other biological processes, including responses to bacteria and virus, angiogenesis, wound healing, fibrosis, autoimmune and metabolic disorders, and cancer. The potential functions of mast cells in many of these settings is thought to reflect their ability to secrete, upon appropriate activation by a range of immune or non-immune stimuli, a broad spectrum of cytokines (including many chemokines) and growth factors, with potential autocrine, paracrine, local, and systemic effects. In this review, we summarize the evidence indicating which cytokines and growth factors can be produced by various populations of rodent and human mast cells in response to particular immune or non-immune stimuli, and comment on the proven or potential roles of such mast cell products in health and disease.
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Affiliation(s)
- Kaori Mukai
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
| | - Mindy Tsai
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, CA, USA
| | - Hirohisa Saito
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health & Development, Tokyo, Japan
| | - Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, CA, USA.,Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
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14
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Gaudenzio N, Marichal T, Galli SJ, Reber LL. Genetic and Imaging Approaches Reveal Pro-Inflammatory and Immunoregulatory Roles of Mast Cells in Contact Hypersensitivity. Front Immunol 2018; 9:1275. [PMID: 29922295 PMCID: PMC5996070 DOI: 10.3389/fimmu.2018.01275] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/22/2018] [Indexed: 01/31/2023] Open
Abstract
Contact hypersensitivity (CHS) is a common T cell-mediated skin disease induced by epicutaneous sensitization to haptens. Mast cells (MCs) are widely deployed in the skin and can be activated during CHS responses to secrete diverse products, including some with pro-inflammatory and anti-inflammatory functions. Conflicting results have been obtained regarding pathogenic versus protective roles of MCs in CHS, and this has been attributed in part to the limitations of certain models for studying MC functions in vivo. This review discusses recent advances in the development and analysis of mouse models to investigate the roles of MCs and MC-associated products in vivo. Notably, fluorescent avidin-based two-photon imaging approaches enable in vivo selective labeling and simultaneous tracking of MC secretory granules (e.g., during MC degranulation) and MC gene activation by real-time longitudinal intravital microscopy in living mice. The combination of such genetic and imaging tools has shed new light on the controversial role played by MCs in mouse models of CHS. On the one hand, they can amplify CHS responses of mild severity while, on the other hand, can limit the inflammation and tissue injury associated with more severe or chronic models, in part by representing an initial source of the anti-inflammatory cytokine IL-10.
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Affiliation(s)
- Nicolas Gaudenzio
- Unité de Différenciation Epithéliale et Autoimmunité Rhumatoïde (UDEAR), UMR 1056, INSERM, Université de Toulouse, Toulouse, France
| | - Thomas Marichal
- Laboratory of Cellular and Molecular Immunology, GIGA Institute, Liege University, Liège, Belgium
- Faculty of Veterinary Medicine, Liege University, Liège, Belgium
- WELBIO, Walloon Excellence in Life Sciences and Biotechnology, Wallonia, Belgium
| | - Stephen J. Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, United States
- Department of Immunology and Microbiology, Stanford University School of Medicine, Stanford, CA, United States
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, CA, United States
| | - Laurent L. Reber
- Unit of Antibodies in Therapy and Pathology, INSERM Unit 1222, Department of Immunology, Institut Pasteur, Paris, France
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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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16
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Papoutsis D, Haefner HK, Crum CP, Opipari AW, Reed BD. Vestibular Mast Cell Density in Vulvodynia: A Case-Controlled Study. J Low Genit Tract Dis 2016; 20:275-9. [PMID: 27224531 PMCID: PMC4920700 DOI: 10.1097/lgt.0000000000000221] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To identify whether mast cell densities in vulvar biopsies from the vestibule are associated with vulvodynia. METHODS We enrolled 100 women aged 19 to 59 years with confirmed vulvodynia cases, 100 racially matched controls, and 100 black control women. All had vulvar biopsies performed at the 7 o'clock position of the vestibule, which were then immunostained to detect c-KIT protein. The numbers of c-KIT positive mast cells per ×400 magnification field were manually counted, and t tests and logistic regression were used to assess the association with case-control status. RESULTS Of the biopsies, 235 were adequate samples for c-KIT testing for mast cells. The mast cell density was substantially lower in black control women (13.9 ± 10.9) in comparison to white control women (22.5 ± 13.2 p < 0.001): hence the analysis was confined to white cases and racially matched control women. Compared with racially matched controls, cases were younger, more likely to be married, and reported a higher household income. The average number of mast cells per ×400 magnification field overall was 19.1 ± 13.2 (range, 0-62). There was no difference in the mast cell count between racially matched cases (22.4 ± 13.9 per ×400 field) and controls (22.5 ± 13.2) in either the univariate or multivariable analyses. Within the group of cases, there was no difference in mast cell density based on the presence or absence of a variety of urogenital symptoms. CONCLUSIONS No difference in mast cell density in biopsies of the vestibule was found between white cases and racially matched controls. Black control women have a lower mast cell density compared with white control women.
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Affiliation(s)
- Dimitrios Papoutsis
- 1Department of Obstetrics and Gynaecology, Shrewsbury and Telford Hospitals NHS Trust, Shrewsbury, UK.; 2Center for Vulvar Diseases, Department of Obstetrics and Gynecology, University of Michigan Health System, Ann Arbor, MI, USA; 3Department of Pathology, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA; and 4Department of Family Medicine, University of Michigan Health System, Ann Arbor, MI, USA
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Paradigm shifts in mast cell and basophil biology and function: an emerging view of immune regulation in health and disease. Methods Mol Biol 2015; 1192:3-31. [PMID: 25149480 DOI: 10.1007/978-1-4939-1173-8_1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The physiological role of the mast cell and basophil has for many years remained enigmatic. In this chapter we briefly summarize some of the more recent studies that shed new light on the role of mast cells and basophils in health and disease. What we gain from these studies is a new appreciation for mast cells and basophils as sentinels in host defense and a further understanding that dysregulation of mast cell and basophil function can be a component of various diseases other than allergies. Perhaps, the most important insight reaped from this work is the increasing awareness that mast cells and basophils can function as immunoregulatory cells that modulate the immune response in health and disease. Collectively, the recent knowledge provides new challenges and opportunities towards the development of novel therapeutic strategies to augment host protection and modify disease through manipulation of mast cell and basophil function.
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18
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Galli SJ, Tsai M, Marichal T, Tchougounova E, Reber LL, Pejler G. Approaches for analyzing the roles of mast cells and their proteases in vivo. Adv Immunol 2015; 126:45-127. [PMID: 25727288 DOI: 10.1016/bs.ai.2014.11.002] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The roles of mast cells in health and disease remain incompletely understood. While the evidence that mast cells are critical effector cells in IgE-dependent anaphylaxis and other acute IgE-mediated allergic reactions seems unassailable, studies employing various mice deficient in mast cells or mast cell-associated proteases have yielded divergent conclusions about the roles of mast cells or their proteases in certain other immunological responses. Such "controversial" results call into question the relative utility of various older versus newer approaches to ascertain the roles of mast cells and mast cell proteases in vivo. This review discusses how both older and more recent mouse models have been used to investigate the functions of mast cells and their proteases in health and disease. We particularly focus on settings in which divergent conclusions about the importance of mast cells and their proteases have been supported by studies that employed different models of mast cell or mast cell protease deficiency. We think that two major conclusions can be drawn from such findings: (1) no matter which models of mast cell or mast cell protease deficiency one employs, the conclusions drawn from the experiments always should take into account the potential limitations of the models (particularly abnormalities affecting cell types other than mast cells) and (2) even when analyzing a biological response using a single model of mast cell or mast cell protease deficiency, details of experimental design are critical in efforts to define those conditions under which important contributions of mast cells or their proteases can be identified.
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Affiliation(s)
- Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA; Microbiology & Immunology, Stanford University School of Medicine, Stanford, California, USA.
| | - Mindy Tsai
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
| | - Thomas Marichal
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA; GIGA-Research and Faculty of Veterinary Medicine, University of Liege, Liege, Belgium
| | - Elena Tchougounova
- Department of Immunology, Genetics, and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Laurent L Reber
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA
| | - Gunnar Pejler
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden; Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Abstract
Mast cells have been demonstrated to have critical roles in host defense against a number of types of pathogens. In order to better understand how mast cells participate in effective immune responses, it is important to evaluate their ability to respond directly to pathogens and their products. In the current chapter we provide a methodology to evaluate human mast cell responses to a number of bacterial and fungal pathogen products and to mammalian reovirus as a model of acute viral infection. These methods should provide key information necessary to aid in the effective design of experiments to evaluate human mast cell responses to a number of other organisms. However, it is important to carefully consider the biology of the mast cell subsets and pathogens involved and the optimal experimental conditions necessary to evaluate mediators of interest.
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Affiliation(s)
- Ian D Haidl
- Dalhousie Inflammation Group, Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada, B3H 4R2
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20
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Yip KH, Kolesnikoff N, Yu C, Hauschild N, Taing H, Biggs L, Goltzman D, Gregory PA, Anderson PH, Samuel MS, Galli SJ, Lopez AF, Grimbaldeston MA. Mechanisms of vitamin D₃ metabolite repression of IgE-dependent mast cell activation. J Allergy Clin Immunol 2014; 133:1356-64, 1364.e1-14. [PMID: 24461581 PMCID: PMC4154631 DOI: 10.1016/j.jaci.2013.11.030] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 10/15/2013] [Accepted: 11/15/2013] [Indexed: 01/11/2023]
Abstract
BACKGROUND Mast cells have gained notoriety based on their detrimental contributions to IgE-mediated allergic disorders. Although mast cells express the vitamin D receptor (VDR), it is not clear to what extent 1α,25-dihydroxyvitamin D3 (1α,25[OH]2D3) or its predominant inactive precursor metabolite in the circulation, 25-hydroxyvitamin D3 (25OHD3), can influence IgE-mediated mast cell activation and passive cutaneous anaphylaxis (PCA) in vivo. OBJECTIVE We sought to assess whether the vitamin D3 metabolites 25OHD3 and 1α,25(OH)2D3 can repress IgE-dependent mast cell activation through mast cell-25-hydroxyvitamin D-1α-hydroxylase (CYP27B1) and mast cell-VDR activity. METHODS We measured the extent of vitamin D3 suppression of IgE-mediated mast cell degranulation and mediator production in vitro, as well as the vitamin D3-induced curtailment of PCA responses in WBB6F1-Kit(W/W-v) or C57BL/6J-Kit(W-sh/W-sh) mice engrafted with mast cells that did or did not express VDR or CYP27B1. RESULTS Here we show that mouse and human mast cells can convert 25OHD3 to 1α,25(OH)2D3 through CYP27B1 activity and that both of these vitamin D3 metabolites suppressed IgE-induced mast cell-derived proinflammatory and vasodilatory mediator production in a VDR-dependent manner in vitro. Furthermore, epicutaneously applied vitamin D3 metabolites significantly reduced the magnitude of skin swelling associated with IgE-mediated PCA reactions in vivo; a response that required functional mast cell-VDRs and mast cell-CYP27B1. CONCLUSION Taken together, our findings provide a mechanistic explanation for the anti-inflammatory effects of vitamin D3 on mast cell function by demonstrating that mast cells can actively metabolize 25OHD3 to dampen IgE-mediated mast cell activation in vitro and in vivo.
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Affiliation(s)
- Kwok-Ho Yip
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia
| | - Natasha Kolesnikoff
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia
| | - Chunping Yu
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; University of Adelaide, Adelaide, Australia
| | - Nicholas Hauschild
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia
| | - Houng Taing
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; University of Adelaide, Adelaide, Australia
| | - Lisa Biggs
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia
| | - David Goltzman
- Departments of Medicine and Physiology, McGill University, Montreal, Quebec, Canada
| | - Philip A Gregory
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia
| | | | - Michael S Samuel
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; University of Adelaide, Adelaide, Australia; University of South Australia, Adelaide, Australia
| | - Stephen J Galli
- Departments of Pathology and of Microbiology and Immunology, Stanford University School of Medicine, Stanford, Calif
| | - Angel F Lopez
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; University of Adelaide, Adelaide, Australia; University of South Australia, Adelaide, Australia
| | - Michele A Grimbaldeston
- Division of Human Immunology, Centre for Cancer Biology, SA Pathology, Adelaide, Australia; University of Adelaide, Adelaide, Australia; University of South Australia, Adelaide, Australia.
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Chatterjea D, Martinov T. Mast cells: versatile gatekeepers of pain. Mol Immunol 2014; 63:38-44. [PMID: 24666768 DOI: 10.1016/j.molimm.2014.03.001] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 03/03/2014] [Accepted: 03/03/2014] [Indexed: 12/13/2022]
Abstract
Mast cells are important first responders in protective pain responses that provoke withdrawal from intense, noxious environmental stimuli, in part because of their sentinel location in tissue-environment interfaces. In chronic pain disorders, the proximity of mast cells to nerves potentiates critical molecular cross-talk between these two cell types that results in their synergistic contribution to the initiation and propagation of long-term changes in pain responses via intricate signal networks of neurotransmitters, cytokines and adhesion molecules. Both in rodent models of inflammatory pain and chronic pain disorders, as well as in increasing evidence from the clinic, it is abundantly clear that understanding the mast cell-mediated mechanisms underlying protective and maladaptive pain cascades will lead to improved understanding of mast cell biology as well as the development of novel, targeted therapies for the treatment and management of debilitating pain conditions.
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Affiliation(s)
| | - Tijana Martinov
- Department of Biology, Macalester College, St. Paul, MN, USA
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Contact hypersensitivity to oxazolone provokes vulvar mechanical hyperalgesia in mice. PLoS One 2013; 8:e78673. [PMID: 24205293 PMCID: PMC3808293 DOI: 10.1371/journal.pone.0078673] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Accepted: 09/13/2013] [Indexed: 12/31/2022] Open
Abstract
The interplay among pain, allergy and dysregulated inflammation promises to yield significant conceptual advances in immunology and chronic pain. Hapten-mediated contact hypersensitivity reactions are used to model skin allergies in rodents but have not been utilized to study associated changes in pain perception in the affected skin. Here we characterized changes in mechanical hyperalgesia in oxazolone-sensitized female mice challenged with single and repeated labiar skin exposure to oxazolone. Female mice were sensitized with topical oxazolone on their flanks and challenged 1-3 times on the labia. We then measured mechanical sensitivity of the vulvar region with an electronic pressure meter and evaluated expression of inflammatory genes, leukocyte influx and levels of innervation in the labiar tissue. Oxazolone-sensitized mice developed vulvar mechanical hyperalgesia after a single labiar oxazolone challenge. Hyperalgesia lasted up to 24 hours along with local influx of neutrophils, upregulation of inflammatory cytokine gene expression, and increased density of cutaneous labiar nerve fibers. Three daily oxazolone challenges produced vulvar mechanical hyperalgesic responses and increases in nerve density that were detectable up to 5 days post-challenge even after overt inflammation resolved. This persistent vulvar hyperalgesia is resonant with vulvodynia, an understudied chronic pain condition that is remarkably prevalent in 18-60 year-old women. An elevated risk for vulvodynia has been associated with a history of environmental allergies. Our pre-clinical model can be readily adapted to regimens of chronic exposures and long-term assessment of vulvar pain with and without concurrent inflammation to improve our understanding of mechanisms underlying subsets of vulvodynia and to develop new therapeutics for this condition.
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Beunk L, Verwoerd A, van Overveld FJ, Rijkers GT. Role of mast cells in mucosal diseases: current concepts and strategies for treatment. Expert Rev Clin Immunol 2013; 9:53-63. [PMID: 23256764 DOI: 10.1586/eci.12.82] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mast cells are well known for their role in type I hypersensitivity. However, their role in the immune system as well as their pathophysiological role in other diseases is underacknowledged. The role of mast cells in inflammatory bowel disease, allergic contact dermatitis and asthma is illustrated in this review. The contribution of mast cell activation in these diseases is controversial and two alternative means are proposed: activation via stress response pathways and immunoglobulin-free light chains. Activation of the mast cells leads to release of preformed mediators and to generation of other potent biological substances that have both physiological and pathophysiological effects. The role of these mediators in the aforementioned diseases is also outlined in this review. When the roles of mast cells are better understood, drugs specifically targeting mast cells may be developed to effectively treat a wide range of diseases.
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Affiliation(s)
- Lianne Beunk
- Department of Science, University College Roosevelt Academy, Middelburg, The Netherlands
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Bocian C, Urbanowitz AK, Owens RT, Iozzo RV, Götte M, Seidler DG. Decorin potentiates interferon-γ activity in a model of allergic inflammation. J Biol Chem 2013; 288:12699-711. [PMID: 23460644 DOI: 10.1074/jbc.m112.419366] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The proteoglycan decorin modulates leukocyte recruitment during delayed-type hypersensitivity responses. Decorin-deficient (Dcn(-/-)) mice show reduced edema formation during the first 24 h with a concurrent attenuated recruitment of CD8(+) leukocytes in the inflamed Dcn(-/-) ears. The aim of this study was to elucidate the molecular pathways affected by the loss of decorin. In vivo, reduced numbers of CD8(+) cells in Dcn(-/-) ears correlated with a reduced interferon-γ (Ifn-γ) and CXCL-10 expression. In vitro, Dcn(-/-) lymphocytes displayed an increased adhesion to brain microvascular (bEnd.3) endothelial cells. Decorin treatment of bEnd.3 increased Icam1 and down-regulated Vcam1 expression after TNF-α stimulation. However, Dcn(-/-) and wild-type lymphocytes produced IFN-γ after activation with CD3ε. Upon incubation with decorin, endothelial cells and fibroblasts responded differently to IFN-γ and TNF-α; CCL2 in bEnd.3 cells was more prominently up-regulated by TNF-α compared with IFN-γ. Notably, both factors were more potent in the presence of decorin. Compared with TNF-α, IFN-γ treatment induced significantly more CXCL-10, and both factors increased synthesis of CXCL-10 in the presence of decorin. The response to IFN-γ was similar in Dcn(-/-) and wild-type fibroblasts, an additional source of CXCL-10. However, addition of decorin yielded significantly more CXCL-10. Notably, decorin increased the stability of IFN-γ in vitro and potentiated IFN-γ-induced activation of STAT-1. Furthermore, only dermatan sulfate influenced IFN-γ signaling by significantly increasing CXCL-10 expression in contrast to decorin protein core alone. Our data demonstrate that decorin modulates delayed-type hypersensitivity responses by augmenting the induction of downstream effector cytokines of IFN-γ and TNF-α, thereby influencing the recruitment of CD8(+) lymphocytes into the inflamed tissue.
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Affiliation(s)
- Carla Bocian
- Institute of Physiological Chemistry and Pathobiochemistry, Waldeyerstrasse 15, 48149 Münster, Germany
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25
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Mast cell interleukin-10 drives localized tolerance in chronic bladder infection. Immunity 2013; 38:349-59. [PMID: 23415912 DOI: 10.1016/j.immuni.2012.10.019] [Citation(s) in RCA: 115] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2011] [Accepted: 10/09/2012] [Indexed: 01/13/2023]
Abstract
The lower urinary tract's virtually inevitable exposure to external microbial pathogens warrants efficient tissue-specialized defenses to maintain sterility. The observation that the bladder can become chronically infected in combination with clinical observations that antibody responses after bladder infections are not detectable suggest defects in the formation of adaptive immunity and immunological memory. We have identified a broadly immunosuppressive transcriptional program specific to the bladder, but not the kidney, during infection of the urinary tract that is dependent on tissue-resident mast cells (MCs). This involves localized production of interleukin-10 and results in suppressed humoral and cell-mediated responses and bacterial persistence. Therefore, in addition to the previously described role of MCs orchestrating the early innate immunity during bladder infection, they subsequently play a tissue-specific immunosuppressive role. These findings may explain the prevalent recurrence of bladder infections and suggest the bladder as a site exhibiting an intrinsic degree of MC-maintained immune privilege.
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Costanza M, Colombo MP, Pedotti R. Mast cells in the pathogenesis of multiple sclerosis and experimental autoimmune encephalomyelitis. Int J Mol Sci 2012. [PMID: 23203114 PMCID: PMC3509630 DOI: 10.3390/ijms131115107] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Mast cells (MCs) are best known as key immune players in immunoglobulin E (IgE)-dependent allergic reactions. In recent years, several lines of evidence have suggested that MCs might play an important role in several pathological conditions, including autoimmune disorders such as multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE), an animal model for MS. Since their first description in MS plaques in the late 1800s, much effort has been put into elucidating the contribution of MCs to the development of central nervous system (CNS) autoimmunity. Mouse models of MC-deficiency have provided a valuable experimental tool for dissecting MC involvement in MS and EAE. However, to date there is still major controversy concerning the function of MCs in these diseases. Indeed, although MCs have been classically proposed as having a detrimental and pro-inflammatory role, recent literature has questioned and resized the contribution of MCs to the pathology of MS and EAE. In this review, we will present the main evidence obtained in MS and EAE on this topic, and discuss the critical and controversial aspects of such evidence.
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Affiliation(s)
- Massimo Costanza
- Neuroimmunology and Neuromuscular Disorder Unit, Neurological Institute Foundation IRCCS C. Besta, via Amadeo 42, Milan 20133, Italy; E-Mail:
| | - Mario P. Colombo
- Molecular Immunology Unit, Department of Experimental Oncology and Molecular Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, via Amadeo 42, Milan 20133, Italy; E-Mail:
| | - Rosetta Pedotti
- Neuroimmunology and Neuromuscular Disorder Unit, Neurological Institute Foundation IRCCS C. Besta, via Amadeo 42, Milan 20133, Italy; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +39-02-23944654; Fax: +39-02-23944708
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Reber LL, Marichal T, Galli SJ. New models for analyzing mast cell functions in vivo. Trends Immunol 2012; 33:613-25. [PMID: 23127755 DOI: 10.1016/j.it.2012.09.008] [Citation(s) in RCA: 121] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 09/24/2012] [Accepted: 09/25/2012] [Indexed: 10/27/2022]
Abstract
In addition to their well-accepted role as critical effector cells in anaphylaxis and other acute IgE-mediated allergic reactions, mast cells (MCs) have been implicated in a wide variety of processes that contribute to disease or help to maintain health. Although some of these roles were first suggested by analyses of MC products or functions in vitro, it is critical to determine whether, and under which circumstances, such potential roles actually can be performed by MCs in vivo. This review discusses recent advances in the development and analysis of mouse models to investigate the roles of MCs and MC-associated products during biological responses in vivo, and comments on some of the similarities and differences in the results obtained with these newer versus older models of MC deficiency.
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Affiliation(s)
- Laurent L Reber
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305-5324, USA
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28
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Induced CD4+ forkhead box protein–positive T cells inhibit mast cell function and established contact hypersensitivity through TGF-β1. J Allergy Clin Immunol 2012; 130:444-52.e7. [DOI: 10.1016/j.jaci.2012.05.011] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 03/27/2012] [Accepted: 05/10/2012] [Indexed: 01/14/2023]
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29
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Su WR, Zhang QZ, Shi SH, Nguyen AL, Le AD. Human gingiva-derived mesenchymal stromal cells attenuate contact hypersensitivity via prostaglandin E2-dependent mechanisms. Stem Cells 2012; 29:1849-60. [PMID: 21987520 DOI: 10.1002/stem.738] [Citation(s) in RCA: 117] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The immunomodulatory and anti-inflammatory functions of mesenchymal stromal cells (MSCs) have been demonstrated in several autoimmune/inflammatory disease models, but their contribution to the mitigation of contact hypersensitivity (CHS) remains unclear. Here, we report a new immunological approach using human gingiva-derived MSCs (GMSCs) to desensitize and suppress CHS and the underlying mechanisms. Our results showed that systemic infusion of GMSCs before the sensitization and challenge phase dramatically suppress CHS, manifested as a decreased infiltration of dendritic cells (DCs), CD8(+) T cells, T(H)-17 and mast cells (MCs), a suppression of a variety of inflammatory cytokines, and a reciprocal increased infiltration of regulatory T cells and expression of IL-10 at the regional lymph nodes and the allergic contact areas. The GMSC-mediated immunosuppressive effects and mitigation of CHS were significantly abrogated on pretreatment with indomethacin, an inhibitor of cyclooxygenases. Under coculture condition of direct cell-cell contact or via transwell system, GMSCs were capable of direct suppression of differentiation of DCs and phorbol 12-myristate 13-acetate-stimulated activation of MCs, whereas the inhibitory effects were attenuated by indomethacin. Mechanistically, GMSC-induced blockage of de novo synthesis of proinflammatory cytokines by MCs is mediated partly by the tumor necrosis factor-alpha/prostaglandin E(2) (PGE(2)) feedback axis. These results demonstrate that GMSCs are capable of desensitizing allergic contact dermatitis via PGE(2)-dependent mechanisms.
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Affiliation(s)
- Wen-Ru Su
- Center for Craniofacial Molecular Biology, The Herman Ostrow School of Dentistry of University of Southern California, Los Angeles, California 90,033, USA
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30
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Galli SJ, Borregaard N, Wynn TA. Phenotypic and functional plasticity of cells of innate immunity: macrophages, mast cells and neutrophils. Nat Immunol 2011; 12:1035-44. [PMID: 22012443 PMCID: PMC3412172 DOI: 10.1038/ni.2109] [Citation(s) in RCA: 740] [Impact Index Per Article: 56.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hematopoietic cells, including lymphoid and myeloid cells, can develop into phenotypically distinct 'subpopulations' with different functions. However, evidence indicates that some of these subpopulations can manifest substantial plasticity (that is, undergo changes in their phenotype and function). Here we focus on the occurrence of phenotypically distinct subpopulations in three lineages of myeloid cells with important roles in innate and acquired immunity: macrophages, mast cells and neutrophils. Cytokine signals, epigenetic modifications and other microenvironmental factors can substantially and, in some cases, rapidly and reversibly alter the phenotype of these cells and influence their function. This suggests that regulation of the phenotype and function of differentiated hematopoietic cells by microenvironmental factors, including those generated during immune responses, represents a common mechanism for modulating innate or adaptive immunity.
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Affiliation(s)
- Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.
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31
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Mast cell interleukin-2 production contributes to suppression of chronic allergic dermatitis. Immunity 2011; 35:562-71. [PMID: 21982597 DOI: 10.1016/j.immuni.2011.07.013] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 06/08/2011] [Accepted: 07/29/2011] [Indexed: 12/15/2022]
Abstract
The incidence of chronic allergic dermatitis is rapidly increasing. Regulatory control of this disease has not been adequately explored. Here we report that mast cell-derived interleukin-2 (IL-2) contributes to the suppression of chronic allergic dermatitis. Mice deficient in IL-2 production, or deficient in mast cells (Kit(W-sh/W-sh)), showed exacerbated dermatitis upon repeated oxazolone challenge when compared to their wild-type counterparts. Adoptive transfer of wild-type, but not Il2(-/-), mast cells into Kit(W-sh/W-sh) mice dampened the inflammatory response. During the course of disease, mast cell expansion occurred at the site of inflammation and also in the spleen, where production of IL-2 by mast cells was markedly enhanced. In the absence of mast cell IL-2 production, the ratio of activated to regulatory T cells at the site of inflammation was increased. Thus, MC-derived IL-2 contributes to the maintenance of suppression in chronic allergic skin inflammation.
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Dey N, Szczepanik M, Lau K, Majewska-Szczepanik M, Askenase PW. Stimulatory Lipids Accumulate in the Mouse Liver within 30 min of Contact Sensitization to Facilitate the Activation of Naïve iNKT Cells in a CD1d-Dependent Fashion. Scand J Immunol 2011; 74:52-61. [DOI: 10.1111/j.1365-3083.2011.02540.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Exacerbated experimental autoimmune encephalomyelitis in mast-cell-deficient Kit W-sh/W-sh mice. J Transl Med 2011; 91:627-41. [PMID: 21321538 DOI: 10.1038/labinvest.2011.3] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Mast cell (MC)-deficient c-Kit mutant Kit(W/W-v) mice are protected against experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis, suggesting a detrimental role for MCs in this disease. To further investigate the role of MCs in EAE, we took advantage of a recently characterized model of MC deficiency, Kit(W-sh/W-sh). Surprisingly, we observed that myelin oligodendrocyte glycoprotein (MOG)(35-55)-induced chronic EAE was exacerbated in Kit(W-sh/W-sh) compared with Kit(+/+) mice. Kit(W-sh/W-sh) mice showed more inflammatory foci in the central nervous system (CNS) and increased T-cell response against myelin. To understand whether the discrepant results obtained in Kit(W-sh/W-sh) and in Kit(W/W-v) mice were because of the different immunization protocols, we induced EAE in these two strains with varying doses of MOG(35-55) and adjuvants. Although Kit(W-sh/W-sh) mice exhibited exacerbated EAE under all immunization protocols, Kit(W/W-v) mice were protected from EAE only when immunized with high, but not low, doses of antigen and adjuvants. Kit(W-sh/W-sh) mice reconstituted systemically, but not in the CNS, with bone marrow-derived MCs still developed exacerbated EAE, indicating that protection from disease could be exerted by MCs mainly in the CNS, and/or by other cells possibly dysregulated in Kit(W-sh/W-sh) mice. In summary, these data suggest to reconsider MC contribution to EAE, taking into account the variables of using different experimental models and immunization protocols.
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Hirasaki Y, Iwamura C, Yamashita M, Ito T, Kitajima M, Shinoda K, Namiki T, Terasawa K, Nakayama T. Repressor of GATA negatively regulates murine contact hypersensitivity through the inhibition of type-2 allergic responses. Clin Immunol 2011; 139:267-76. [PMID: 21398189 DOI: 10.1016/j.clim.2011.02.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Revised: 01/18/2011] [Accepted: 02/01/2011] [Indexed: 11/29/2022]
Abstract
Repressor of GATA (ROG) inhibits Th2 cell differentiation and allergic airway inflammation in the lung. To determine the role of ROG in the pathogenesis of contact hypersensitivity (CHS), a hapten-induced mouse model of CHS using ROG Tg and ROG-deficient (ROG(-/-)) was used. ROG Tg mice showed little ear swelling, while ROG(-/-) mice showed enhanced ear swelling in comparison to wild type mice. Interstitial edema and mast cell degranulation at the local inflammation sites were mild in ROG Tg mice and exacerbated in ROG(-/-) mice. In addition, the serum total IgE and hapten-specific IgG1 levels were increased in ROG(-/-) mice. Adoptive transfer of ROG(-/-) CD4(+) T cells exacerbated CHS in wild type mice, while transfer of ROG Tg CD4(+) T cells resulted in the attenuation of CHS. These results indicate ROG negatively regulates the induction of CHS by controlling the CD4(+) T cell-mediated allergic responses, including IgE generation and mast cell degranulation.
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Affiliation(s)
- Yoshiro Hirasaki
- Department of Immunology, Graduate School of Medicine, Chiba University, Inohana, Chuo-ku, Chiba, Japan
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Mast Cells and Immunoregulation/Immunomodulation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2011; 716:186-211. [DOI: 10.1007/978-1-4419-9533-9_11] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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36
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Direct crosstalk between mast cell-TNF and TNFR1-expressing endothelia mediates local tissue inflammation. Blood 2009; 114:1696-706. [PMID: 19546478 DOI: 10.1182/blood-2008-11-187682] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Signaling through tumor necrosis factor receptor 1 (TNFR1) controls bacterial infections and the induction of inflammatory Th1 cell-mediated autoimmune diseases. By dissecting Th1 cell-mediated delayed-type hypersensitivity responses (DTHRs) into single steps, we localized a central defect to the missing TNFR1 expression by endothelial cells (ECs). Adoptive transfer and mast cell knockin experiments into Kit(W)/Kit(W-v), TNF(-/-), and TNFR1(-/-) mice showed that the signaling defect exclusively affects mast cell-EC interactions but not T cells or antigen-presenting cells. As a consequence, TNFR1(-/-) mice had strongly reduced mRNA and protein expression of P-selectin, E-selectin, ICAM-1, and VCAM-1 during DTHR elicitation. In consequence, intravital fluorescence microscopy revealed up to 80% reduction of leukocyte rolling and firm adhesion in TNFR1(-/-) mice. As substitution of TNF(-/-) mice with TNF-producing mast cells fully restored DTHR in these mice, signaling of mast cell-derived TNF through TNFR1-expressing ECs is essential for the recruitment of leukocytes into sites of inflammation.
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37
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Current World Literature. Curr Opin Allergy Clin Immunol 2009; 9:284-90. [DOI: 10.1097/aci.0b013e32832c00ee] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Abstract
Mast cells can function as effector and immunoregulatory cells in immunoglobulin E-associated allergic disorders, as well as in certain innate and adaptive immune responses. This review focuses on exciting new developments in the field of mast cell biology published in the past year. We highlight advances in the understanding of FcvarepsilonRI-mediated signaling and mast cell-activation events, as well as in the use of genetic models to study mast cell function in vivo. Finally, we discuss newly identified functions for mast cells or individual mast cell products, such as proteases and interleukin 10, in host defense, cardiovascular disease and tumor biology and in settings in which mast cells have anti-inflammatory or immunosuppressive functions.
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Affiliation(s)
- Janet Kalesnikoff
- Department of Pathology, Stanford University School of Medicine, Stanford, California 94305, USA.
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Doebis C, Siegmund K, Loddenkemper C, Lowe JB, Issekutz AC, Hamann A, Huehn J, Syrbe U. Cellular players and role of selectin ligands in leukocyte recruitment in a T-cell-initiated delayed-type hypersensitivity reaction. THE AMERICAN JOURNAL OF PATHOLOGY 2008; 173:1067-76. [PMID: 18755847 DOI: 10.2353/ajpath.2008.080052] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Delayed-type hypersensitivity (DTH) reactions are characterized by a strong cellular infiltrate, including neutrophils, macrophages, and T lymphocytes. In all these cell types, both E- and P-selectin-dependent adhesion pathways play a significant role in recruitment into the inflamed skin. Accordingly, inhibition of selectin-mediated interactions (eg, by antibodies) results in impairment of acute DTH reactions. However, whether inhibition of a specific cell type is responsible for the anti-inflammatory effect or whether all leukocytes are affected remains unclear. To address this question, we used fucosyltransferase-VII knockout mice that lack functional selectin ligands as either donors or recipients in a DTH model elicited by Th1 cell and antigen transfer. We found that selectin-mediated adhesion is required by Th1 effector cells to enter the DTH reaction site and, additionally, to elicit the DTH reaction. On the other hand, elimination of selectin binding in the recipient's neutrophils and macrophages by use of fucosyltransferase-deficient mice receiving wild-type Th1 effector cells resulted in a strongly reduced infiltration of neutrophils and macrophages but unimpaired footpad swelling. These findings demonstrate a major role for both E- and P-selectin in the recruitment of different leukocyte cell types. However, only the presence of selectin ligands on T cells was critical for the inflammatory reaction. These findings reveal T cells as the predominant targets for selectin blockade that aim to suppress skin inflammation.
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Affiliation(s)
- Cornelia Doebis
- Départemente of Experimentelle Rheumatologie, Charité, Campus Mitte, Berlin, Germany
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