1
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Leyva-Castillo JM, Vega-Mendoza D, Strakosha M, Deng L, Choi S, Miyake K, Karasuyama H, Chiu IM, Phipatanakul W, Geha RS. Basophils are important for development of allergic skin inflammation. J Allergy Clin Immunol 2024; 153:1344-1354.e5. [PMID: 38336257 PMCID: PMC11070311 DOI: 10.1016/j.jaci.2024.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 12/18/2023] [Accepted: 01/24/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Atopic dermatitis skin lesions exhibit increased infiltration by basophils. Basophils produce IL-4, which plays an important role in the pathogenesis of atopic dermatitis. OBJECTIVE We sought to determine the role of basophils in a mouse model of antigen-driven allergic skin inflammation. METHODS Wild-type mice, mice with selective and inducible depletion of basophils, and mice expressing Il4-driven enhanced green fluorescent protein were subjected to epicutaneous sensitization with ovalbumin or saline. Sensitized skin was examined by histology for epidermal thickening. Cells were analyzed for surface markers and intracellular expression of enhanced green fluorescent protein by flow cytometry. Gene expression was evaluated by real-time reverse transcription-quantitative PCR. RESULTS Basophils were important for epidermal hyperplasia, dermal infiltration by CD4+ T cells, mast cells, and eosinophils in ovalbumin-sensitized mouse skin and for the local and systemic TH2 response to epicutaneous sensitization. Moreover, basophils were the major source of IL-4 in epicutaneous-sensitized mouse skin and promote the ability of dendritic cells to drive TH2 polarization of naive T cells. CONCLUSION Basophils play an important role in the development of allergic skin inflammation induced by cutaneous exposure to antigen in mice.
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Affiliation(s)
- Juan-Manuel Leyva-Castillo
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass.
| | - Daniela Vega-Mendoza
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Maria Strakosha
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Liwen Deng
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Samantha Choi
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Kensuke Miyake
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hajime Karasuyama
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Isaac M Chiu
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Wanda Phipatanakul
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
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2
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Schuler CF, Tsoi LC, Billi AC, Harms PW, Weidinger S, Gudjonsson JE. Genetic and Immunological Pathogenesis of Atopic Dermatitis. J Invest Dermatol 2024; 144:954-968. [PMID: 38085213 PMCID: PMC11040454 DOI: 10.1016/j.jid.2023.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/05/2023] [Accepted: 10/25/2023] [Indexed: 02/03/2024]
Abstract
Type 2 immune-mediated diseases give a clear answer to the issue of nature (genetics) versus nurture (environment). Both genetics and environment play vital complementary roles in the development of atopic dermatitis (AD). As a key component of the atopic march, AD demonstrates the interactive nature of genetic and environmental contributions to atopy. From sequence variants in the epithelial barrier gene encoding FLG to the hygiene hypothesis, AD combines a broad array of contributions into a single syndrome. This review will focus on the genetic contribution to AD and where genetics facilitates the elicitation or enhancement of AD pathogenesis.
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Affiliation(s)
- Charles F Schuler
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA; Mary H. Weiser Food Allergy Center, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Lam C Tsoi
- Mary H. Weiser Food Allergy Center, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA; Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Allison C Billi
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Paul W Harms
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA; Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Stephan Weidinger
- Department of Dermatology, Venereology, and Allergology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Johann E Gudjonsson
- Mary H. Weiser Food Allergy Center, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA; Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA.
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3
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Das M, Mukherjee S, Geha RS. Phosphodiesterase 4 Inhibitors, Basophils, and Atopic Dermatitis. J Invest Dermatol 2024; 144:924-926. [PMID: 38441508 DOI: 10.1016/j.jid.2023.12.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 12/09/2023] [Indexed: 04/23/2024]
Affiliation(s)
- Mrinmoy Das
- Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA.
| | - Saikat Mukherjee
- Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA.
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4
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Li Q, Liu H, Yin G, Xie Q. Efferocytosis: Current status and future prospects in the treatment of autoimmune diseases. Heliyon 2024; 10:e28399. [PMID: 38596091 PMCID: PMC11002059 DOI: 10.1016/j.heliyon.2024.e28399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 04/11/2024] Open
Abstract
Billions of apoptotic cells are swiftly removed from the human body daily. This clearance process is regulated by efferocytosis, an active anti-inflammatory process during which phagocytes engulf and remove apoptotic cells. However, impaired clearance of apoptotic cells is associated with the development of various autoimmune diseases, such as rheumatoid arthritis, systemic lupus erythematosus, and inflammatory bowel disease. In this review, we conducted a comprehensive search of relevant studies published from January 1, 2000, to the present, focusing on efferocytosis, autoimmune disease pathogenesis, regulatory mechanisms governing efferocytosis, and potential treatments targeting this process. Our review highlights the key molecules involved in different stages of efferocytosis-namely, the "find me," "eat me," and "engulf and digest" phases-while elucidating their relevance to autoimmune disease pathology. Furthermore, we explore the therapeutic potential of modulating efferocytosis to restore immune homeostasis and mitigate autoimmune responses. By providing theoretical underpinnings for the targeting of efferocytosis in the treatment of autoimmune diseases, this review contributes to the advancement of therapeutic strategies in this field.
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Affiliation(s)
- Qianwei Li
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Huan Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Geng Yin
- Department of General Practice, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Qibing Xie
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
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5
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Park J, Kang SJ. The ontogenesis and heterogeneity of basophils. DISCOVERY IMMUNOLOGY 2024; 3:kyae003. [PMID: 38567293 PMCID: PMC10941320 DOI: 10.1093/discim/kyae003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/02/2024] [Accepted: 01/31/2024] [Indexed: 04/04/2024]
Abstract
Basophils are the rarest leukocytes, but they have essential roles in protection against helminths, allergic disorders, autoimmune diseases, and some cancers. For years, the clinical significance of basophils has been neglected because of the lack of proper experimental tools to study them. The development of basophil-specific antibodies and animal models, along with genomic advances like single-cell transcriptomics, has greatly enhanced our understanding of basophil biology. Recent discoveries regarding basophils prompted us to write this review, emphasizing the basophil developmental pathway. In it, we chronologically examine the steps of basophil development in various species, which reveals the apparent advent of basophils predating IgE and basophil's IgE-independent regulatory role in primitive vertebrates. Then, we cover studies of basophil development in adult bone marrow, and compare those of murine and human basophils, introducing newly identified basophil progenitors and mature basophil subsets, as well as the transcription factors that regulate the transitions between them. Last, we discuss the heterogeneity of tissue-resident basophils, which may develop through extramedullary hematopoiesis. We expect that this review will contribute to a deeper understanding of basophil biology from the intricate aspects of basophil development and differentiation, offering valuable insights for both researchers and clinicians.
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Affiliation(s)
- Jiyeon Park
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon34141, Republic of Korea
| | - Suk-Jo Kang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon34141, Republic of Korea
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6
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Strakosha M, Vega-Mendoza D, Kane J, Jain A, Sun L, Rockowitz S, Elkins M, Miyake K, Chou J, Karasuyama H, Geha RS, Leyva-Castillo JM. Basophils Play a Protective Role in the Recovery of Skin Barrier Function from Mechanical Injury in Mice. J Invest Dermatol 2024:S0022-202X(24)00079-4. [PMID: 38286187 DOI: 10.1016/j.jid.2023.12.024] [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: 06/23/2023] [Revised: 12/12/2023] [Accepted: 12/17/2023] [Indexed: 01/31/2024]
Abstract
Physical trauma disrupts skin barrier function. How the skin barrier recovers is not fully understood. We evaluated in mice the mechanism of skin barrier recovery after mechanical injury inflicted by tape stripping. Tape stripping disrupted skin barrier function as evidenced by increased transepidermal water loss. We show that tape stripping induces IL-1-, IL-23-, and TCRγδ+-dependent upregulation of cutaneous Il17a and Il22 expression. We demonstrate that IL-17A and IL-22 induce epidermal hyperplasia, promote neutrophil recruitment, and delay skin barrier function recovery. Neutrophil depletion improved the recovery of skin barrier function and decreased epidermal hyperplasia. Single-cell RNA sequencing and flow cytometry analysis of skin cells revealed basophil infiltration into tape-stripped skin. Basophil depletion upregulated Il17a expression, increased neutrophil infiltration, and delayed skin barrier recovery. Comparative analysis of genes differentially expressed in tape-stripped skin of basophil-depleted mice and Il17a-/- mice indicated that basophils counteract the effects of IL-17A on the expression of epidermal and lipid metabolism genes important for skin barrier integrity. Our results demonstrate that basophils play a protective role by downregulating Il17a expression after mechanical skin injury, thereby counteracting the adverse effect of IL-17A on skin barrier function recovery, and suggest interventions to accelerate this recovery.
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Affiliation(s)
- Maria Strakosha
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Daniela Vega-Mendoza
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jennifer Kane
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ashish Jain
- Research Computing, Information Technology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Liang Sun
- Research Computing, Information Technology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Shira Rockowitz
- Research Computing, Information Technology, Boston Children's Hospital, Boston, Massachusetts, USA; Division of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts, USA; The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Megan Elkins
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Kensuke Miyake
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Janet Chou
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Hajime Karasuyama
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Raif S Geha
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Juan-Manuel Leyva-Castillo
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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7
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Zheng R, Ren Y, Liu X, He C, Liu H, Wang Y, Li J, Xia S, Liu Z, Ma Y, Wang D, Xu S, Wang G, Li N. Exogenous drugs-induced mouse models of atopic dermatitis. Cytokine Growth Factor Rev 2024:S1359-6101(24)00003-0. [PMID: 38272716 DOI: 10.1016/j.cytogfr.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 01/09/2024] [Indexed: 01/27/2024]
Abstract
Atopic dermatitis (AD) is an inflammatory skin disease characterized by intense pruritus. AD is harmful to both children and adults, but its pathogenic mechanism has yet to be fully elucidated. The development of mouse models for AD has greatly contributed to its study and treatment. Among these models, the exogenous drug-induced mouse model has shown promising results and significant advantages. Until now, a large amount of AD-related research has utilized exogenous drug-induced mouse models, leading to notable advancements in research. This indicates the crucial significance of applying such models in AD research. These models exhibit diverse characteristics and are highly complex. They involve the use of various strains of mice, diverse types of inducers, and different modeling effects. However, there is currently a lack of comprehensive comparative studies on exogenous drug-induced AD mouse models, which hinders researchers' ability to choose among these models. This paper provides a comprehensive review of the features and mechanisms associated with various exogenous drug-induced mouse models, including the important role of each cytokine in AD development. It aims to assist researchers in quickly understanding models and selecting the most suitable one for further investigation.
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Affiliation(s)
- Rou Zheng
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yan Ren
- Health Science Center, Ningbo University, Ningbo, China.
| | - Xinyue Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Canxia He
- Health Science Center, Ningbo University, Ningbo, China.
| | - Hua Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yixuan Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Jianing Li
- Health Science Center, Ningbo University, Ningbo, China.
| | - Shuya Xia
- Health Science Center, Ningbo University, Ningbo, China.
| | - Zhifang Liu
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Yizhao Ma
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Dianchen Wang
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Suling Xu
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Geng Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Na Li
- Health Science Center, Ningbo University, Ningbo, China; Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
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8
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Takahashi S, Ochiai S, Jin J, Takahashi N, Toshima S, Ishigame H, Kabashima K, Kubo M, Nakayama M, Shiroguchi K, Okada T. Sensory neuronal STAT3 is critical for IL-31 receptor expression and inflammatory itch. Cell Rep 2023; 42:113433. [PMID: 38029739 DOI: 10.1016/j.celrep.2023.113433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/21/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
IL-31 receptor blockade suppresses pruritus of atopic dermatitis. However, cell-type-specific contributions of IL-31 receptor to itch, its expression mechanism, and the downstream signaling pathway to induce itch remain unknown. Here, using conditional knockout mice, we demonstrate that IL-31-induced itch requires sensory neuronal IL-31 receptor and STAT3. We find that IL-31 receptor expression is dependent on STAT3 in sensory neurons. In addition, pharmacological experiments suggest that STAT3 activation is important for the itch-inducing signaling downstream of the IL-31 receptor. A cutaneous IL-31 injection induces the nuclear accumulation of activated STAT3 first in sensory neurons that abundantly express IL-31 receptor and then in other itch-transmitting neurons. IL-31 enhances itch induced by various pruritogens including even chloroquine. Finally, pruritus associated with dermatitis is partially dependent on sensory neuronal IL-31 receptor and strongly on sensory neuronal STAT3. Thus, sensory neuronal STAT3 is essential for IL-31-induced itch and further contributes to IL-31-independent inflammatory itch.
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Affiliation(s)
- Sonoko Takahashi
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan
| | - Sotaro Ochiai
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan
| | - Jianshi Jin
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research (RIKEN BDR), Suita, Osaka 565-0874, Japan
| | - Noriko Takahashi
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan
| | - Susumu Toshima
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan; Department of Dermatology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Harumichi Ishigame
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan
| | - Kenji Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto 606-8501, Japan; Singapore Immunology Network and Skin Research Institute of Singapore, Agency for Science, Technology and Research, Singapore, Singapore
| | - Masato Kubo
- Laboratory for Cytokine Regulation, RIKEN IMS, Yokohama, Kanagawa 230-0045, Japan; Division of Molecular Pathology, Research Institute for Biomedical Science, Tokyo University of Science, Noda, Chiba 278-0022, Japan
| | - Manabu Nakayama
- Department of Frontier Research and Development, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan
| | - Katsuyuki Shiroguchi
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research (RIKEN BDR), Suita, Osaka 565-0874, Japan
| | - Takaharu Okada
- Laboratory for Tissue Dynamics, RIKEN Center for Integrative Medical Sciences (RIKEN IMS), Yokohama, Kanagawa 230-0045, Japan; Graduate School of Medical Life Science, Yokohama City University, Yokohama, Kanagawa 230-0045, Japan.
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9
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Matwiejuk M, Myśliwiec H, Chabowski A, Flisiak I. An Overview of Growth Factors as the Potential Link between Psoriasis and Metabolic Syndrome. J Clin Med 2023; 13:109. [PMID: 38202116 PMCID: PMC10780265 DOI: 10.3390/jcm13010109] [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: 10/31/2023] [Revised: 11/26/2023] [Accepted: 12/05/2023] [Indexed: 01/12/2024] Open
Abstract
Psoriasis is a chronic, complex, and immunologically mediated systemic disease that not only affects the skin, but also the joints and nails. It may coexist with various other disorders, such as depression, psoriatic arthritis, cardiovascular diseases, diabetes mellitus, and metabolic syndrome. In particular, the potential link between psoriasis and metabolic syndrome is an issue worthy of attention. The dysregulation of growth factors could potentially contribute to the disturbances of keratinocyte proliferation, inflammation, and itch severity. However, the pathophysiology of psoriasis and its comorbidities, such as metabolic syndrome, remains incompletely elucidated. Growth factors and their abnormal metabolism may be a potential link connecting these conditions. Overall, the objective of this review is to analyze the role of growth factor disturbances in both psoriasis and metabolic syndrome.
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Affiliation(s)
- Mateusz Matwiejuk
- Department of Dermatology and Venereology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Hanna Myśliwiec
- Department of Dermatology and Venereology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Iwona Flisiak
- Department of Dermatology and Venereology, Medical University of Bialystok, 15-089 Bialystok, Poland
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10
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Radtke D, Voehringer D. Granulocyte development, tissue recruitment, and function during allergic inflammation. Eur J Immunol 2023; 53:e2249977. [PMID: 36929502 DOI: 10.1002/eji.202249977] [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: 12/16/2022] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023]
Abstract
Granulocytes provide a fast innate response to pathogens and allergens. In allergy and anti-helminth immunity, epithelial cells of damaged barriers release alarmins like IL-25, IL-33, and thymic stromal lymphopoietin (TSLP) but also chemokines like CXCL1 or CCL11 to promote cell recruitment and inflammation. In addition, mast cells positioned at barrier tissue sites also quickly release mediators upon specifically sensing antigens through IgE bound to FcεR1 on their surface. Released mediators induce the recruitment of different granulocytes in a timely ordered manner. First, neutrophils extravasate from the blood vasculature to the side of alarmin release and promote a potent inflammatory response. Alarmins and activated mast cells further promote activation of ILC2s and recruitment of basophils and eosinophils, which inhibit neutrophil recruitment and enhance tissue type 2 immunity. In addition to their potent pro-inflammatory effector functions, granulocytes can also contribute to termination and resolution of inflammation. Here, we summarize the development and tissue recruitment of granulocyte subsets, and describe general effector functions and aspects of their increasingly appreciated role in limiting tissue damage. We further discuss targeting approaches for therapeutic interventions in allergic disorders.
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Affiliation(s)
- Daniel Radtke
- Department of Infection Biology, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - David Voehringer
- Department of Infection Biology, Universitätsklinikum Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
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11
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Wiebe D, Limberg MM, Gray N, Raap U. Basophils in pruritic skin diseases. Front Immunol 2023; 14:1213138. [PMID: 37465674 PMCID: PMC10350488 DOI: 10.3389/fimmu.2023.1213138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 06/14/2023] [Indexed: 07/20/2023] Open
Abstract
Basophils are rare cells in the peripheral blood which have the capability to infiltrate into the skin. Invasion of basophils has been detected in pruritic skin diseases, including atopic dermatitis, bullous pemphigoid, chronic spontaneous urticaria and contact dermatitis. In the skin, basophils are important players of the inflammatory immune response, as they release Th2 cytokines, including interleukin (IL)-4 and IL-13, subsequently inducing the early activation of T-cells. Further, basophils release a multitude of mediators, such as histamine and IL-31, which both play an important role in the initiation of the pruritic response via activation of sensory nerves. Chronic pruritus significantly affects the quality of life and the working capability of patients, though its mechanisms are not fully elucidated yet. Since basophils and neurons share many receptors and channels, bidirectional interaction mechanisms, which drive the sensation of itch, are highlighted in this review.
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Affiliation(s)
- Daniela Wiebe
- Division of Experimental Allergy and Immunodermatology, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - Maren M. Limberg
- Division of Experimental Allergy and Immunodermatology, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - Natalie Gray
- Division of Experimental Allergy and Immunodermatology, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
- Division of Anatomy, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - Ulrike Raap
- Division of Experimental Allergy and Immunodermatology, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
- Research Center for Neurosensory Science, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
- University Clinic of Dermatology and Allergy, University of Oldenburg, Oldenburg, Germany
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12
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Schuler CF, Billi AC, Maverakis E, Tsoi LC, Gudjonsson JE. Novel insights into atopic dermatitis. J Allergy Clin Immunol 2023; 151:1145-1154. [PMID: 36428114 PMCID: PMC10164702 DOI: 10.1016/j.jaci.2022.10.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 11/23/2022]
Abstract
Recent research into the pathophysiology and treatment of atopic dermatitis (AD) has shown notable progress. An increasing number of aspects of the immune system are being implicated in AD, including the epithelial barrier, TH2 cytokines, and mast cells. Major advances in therapeutics were made in biologic cytokine and receptor antagonists and among Janus kinase inhibitors. We focus on these areas and address new insights into AD epidemiology, biomarkers, endotypes, prevention, and comorbidities. Going forward, we expect future mechanistic insights and therapeutic advances to broaden physicians' ability to diagnose and manage AD patients, and perhaps to find a cure for this chronic condition.
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Affiliation(s)
- Charles F Schuler
- Division of Allergy and Clinical Immunology, Department of Internal Medicine, Michigan Medicine, University of Michigan, Ann Arbor, Mich; Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, Mich
| | - Allison C Billi
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Mich
| | - Emanual Maverakis
- Department of Dermatology, University of California-Davis, Sacramento, Calif
| | - Lam C Tsoi
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Mich
| | - Johann E Gudjonsson
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, Mich.
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13
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Uluckan Ö, Bruno S, Wang Y, Wack N, Wilzopolski J, Goetschy JF, Delucis-Bronn C, Urban B, Fehlmann D, Stark H, Hauchard A, Roussel E, Kempf D, Kaupmann K, Raulf F, Bäumer W, Röhn TA, Zerwes HG. Adriforant is a functional antagonist of histamine receptor 4 and attenuates itch and skin inflammation in mice. Eur J Pharmacol 2023; 945:175533. [PMID: 36690055 DOI: 10.1016/j.ejphar.2023.175533] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
BACKGROUND Histamine has been postulated to play a role in atopic dermatitis via histamine receptor 4, mediating pruritic and inflammatory effects. The H4R antagonist adriforant (PF-3893787 or ZPL389) indicated clinical efficacy in a Ph2a study in atopic dermatitis. Preclinical investigations of adriforant had been scarce as experiments in transfectants with H4R from several species suggested partial agonism, not seen in human cells. OBJECTIVE During the Ph2b trial in AD, we performed experiments to understand the pharmacology of adriforant in primary murine cells and in vivo models. We assessed its effects on ERK phosphorylation and transcriptional changes in bone marrow-derived mast cells, histamine-dependent Ca2+ flux in neurons and histamine-induced itch response. In addition, its impact on MC903-induced skin inflammation was evaluated. RESULTS We show that, contrary to transfectants, adriforant is a competitive antagonist of the murine histamine receptor 4, antagonizes histamine-induced ERK phosphorylation, normalizes histamine-induced transcriptional changes in mast cells and reduces histamine-dependent Ca2+ flux in neurons. Administration to mice reduces acute histamine-induced itch response. In addition, adriforant ameliorates inflammation in the mouse MC903 model. CONCLUSIONS Our results suggest that functional inhibition of histamine receptor 4 by adriforant reduces itch and inflammation in vivo. The effects observed in mice, however, did not translate to clinical efficacy in patients as the Ph2b clinical trial with adriforant did not meet pre-specified efficacy endpoints. Given the complex pathogenesis of AD, antagonism of histamine receptor 4 alone appears insufficient to reduce disease severity in AD patients, despite the effects seen in mouse models.
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Affiliation(s)
- Özge Uluckan
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Sandro Bruno
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Yichen Wang
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Nathalie Wack
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Jenny Wilzopolski
- Institut für Pharmakologie und Toxikologie, Veterinärmedizin, Freie Universität Berlin, Koserstraße 20, 14195, Berlin, Germany; Bundesinstitut für Risikobewertung, Experimentelle Toxikologie und ZEBET, Diedersdorfer Weg 1, 12277, Berlin, Germany
| | - Jean-Francois Goetschy
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Corinne Delucis-Bronn
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Beatrice Urban
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Dominique Fehlmann
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Holger Stark
- Heinrich Heine University Düsseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Alice Hauchard
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Elsa Roussel
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Dominique Kempf
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Klemens Kaupmann
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Friedrich Raulf
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Wolfgang Bäumer
- Institut für Pharmakologie und Toxikologie, Veterinärmedizin, Freie Universität Berlin, Koserstraße 20, 14195, Berlin, Germany
| | - Till A Röhn
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland
| | - Hans Günter Zerwes
- Novartis Institutes for BioMedical Research, Autoimmunity, Transplantation and Inflammation; Novartis Pharma AG, CH-4056, Basel, Switzerland.
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14
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IL-31-generating network in atopic dermatitis comprising macrophages, basophils, thymic stromal lymphopoietin, and periostin. J Allergy Clin Immunol 2023; 151:737-746.e6. [PMID: 36410530 DOI: 10.1016/j.jaci.2022.11.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/22/2022] [Accepted: 11/11/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND IL-31 is a type 2 cytokine involved in the itch sensation in atopic dermatitis (AD). The cellular origins of IL-31 are generally considered to be TH2 cells. Macrophages have also been implicated as cellular sources of IL-31. OBJECTIVE We sought to determine the expression of IL-31 by macrophages and to elucidate the productive mechanisms and contributions to itch in AD skin lesions. METHODS Expression of IL-31 by macrophages, expressions of thymic stromal lymphopoietin (TSLP) and periostin, and presence of infiltrating basophils in human AD lesions were examined through immunofluorescent staining, and correlations were assessed. Furthermore, mechanisms of inducing IL-31-expressing macrophages were analyzed in an MC903-induced murine model for AD in vivo and in mouse peritoneal macrophages ex vivo. RESULTS A significant population of IL-31+ cells in human AD lesions was that of CD68+ cells expressing CD163, an M2 macrophage marker. The number of IL-31+/CD68+ cells correlated with epidermal TSLP, dermal periostin, and the number of dermal-infiltrating basophils. In the MC903-induced murine AD model, significant scratching behaviors with enhanced expressions of TSLP and periostin were observed, accompanied by massive infiltration of basophils and IL-31+/MOMA-2+/Arg-1+ cells. Blockade of IL-31 signaling with anti-IL-31RA antibody or direct depletion of macrophages by clodronate resulted in attenuation of scratching behaviors. To effectively reduce lesional IL-31+ macrophages and itch, basophil depletion was essential in combination with TSLP- and periostin-signal blocking. Murine peritoneal macrophages produced IL-31 when stimulated with TSLP, periostin, and basophils. CONCLUSIONS A network comprising IL-31-expressing macrophages, TSLP, periostin, and basophils plays a significant role in AD itch.
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15
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Liu W, Xu R, Wang F. Recent Advances of Basophils in Pruritic Skin Diseases. J Invest Dermatol 2023; 143:691-698. [PMID: 36608999 DOI: 10.1016/j.jid.2022.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/26/2022] [Accepted: 12/06/2022] [Indexed: 01/06/2023]
Abstract
Basophils are a rare type of granulocyte in peripheral blood. Owing to their accessibility in circulation and similarities to mast cells, basophils were considered a tool to gain insight into the function of mast cells. However, recent studies have uncovered that basophils have unique biology, specifically in activation, recruitment, and potential biomarkers. Accordingly, some previously unrecognized functions, particularly in neuroimmunology, have been found, suggesting a role of basophils in inflammatory and pruritic disorders. In this review, we aim to present an overview of basophil biology to show how basophils contribute to certain pruritic skin diseases.
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Affiliation(s)
- Wenhui Liu
- Department of Dermatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Rui Xu
- Department of Dermatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Fang Wang
- Department of Dermatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
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16
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Shibuya R, Kim BS. Skin-homing basophils and beyond. Front Immunol 2022; 13:1059098. [PMID: 36618424 PMCID: PMC9815541 DOI: 10.3389/fimmu.2022.1059098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Basophils have been implicated in type 2 inflammation and numerous disorders in the skin such as helminth infection, atopic dermatitis, and urticaria. Although similar in form and function to tissue-resident mast cells, classical studies on basophils have centered on those from the hematopoietic compartment. However, increasing studies in tissues like the skin demonstrate that basophils may take on particular characteristics by responding to unique developmental, chemotactic, and activation cues. Herein, we highlight how recent studies in barrier immunology suggest the presence of skin-homing basophils that harbor a unique identity in terms of phenotype, function, and motility. These concepts may uniquely inform how basophils contribute to diseases at multiple epithelial surfaces and our ability to therapeutically target the innate immune system in disease.
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Affiliation(s)
- Rintaro Shibuya
- Kimberly and Eric J. Waldman Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,Mark Lebwohl Center for Neuroinflammation and Sensation, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Brian S. Kim
- Kimberly and Eric J. Waldman Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,Mark Lebwohl Center for Neuroinflammation and Sensation, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,Marc and Jennifer Lipschultz Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, United States,*Correspondence: Brian S. Kim,
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17
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Poto R, Gambardella AR, Marone G, Schroeder JT, Mattei F, Schiavoni G, Varricchi G. Basophils from allergy to cancer. Front Immunol 2022; 13:1056838. [PMID: 36578500 PMCID: PMC9791102 DOI: 10.3389/fimmu.2022.1056838] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/21/2022] [Indexed: 12/14/2022] Open
Abstract
Human basophils, first identified over 140 years ago, account for just 0.5-1% of circulating leukocytes. While this scarcity long hampered basophil studies, innovations during the past 30 years, beginning with their isolation and more recently in the development of mouse models, have markedly advanced our understanding of these cells. Although dissimilarities between human and mouse basophils persist, the overall findings highlight the growing importance of these cells in health and disease. Indeed, studies continue to support basophils as key participants in IgE-mediated reactions, where they infiltrate inflammatory lesions, release pro-inflammatory mediators (histamine, leukotriene C4: LTC4) and regulatory cytokines (IL-4, IL-13) central to the pathogenesis of allergic diseases. Studies now report basophils infiltrating various human cancers where they play diverse roles, either promoting or hampering tumorigenesis. Likewise, this activity bears remarkable similarity to the mounting evidence that basophils facilitate wound healing. In fact, both activities appear linked to the capacity of basophils to secrete IL-4/IL-13, with these cytokines polarizing macrophages toward the M2 phenotype. Basophils also secrete several angiogenic factors (vascular endothelial growth factor: VEGF-A, amphiregulin) consistent with these activities. In this review, we feature these newfound properties with the goal of unraveling the increasing importance of basophils in these diverse pathobiological processes.
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Affiliation(s)
- Remo Poto
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy,Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy,World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Adriana Rosa Gambardella
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy,Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Gianni Marone
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy,World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy,Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy,Institute of Experimental Endocrinology and Oncology “G. Salvatore”, National Research Council (CNR), Naples, Italy
| | - John T. Schroeder
- Department of Medicine, Division of Allergy and Clinical Immunology, Johns Hopkins Asthma and Allergy Center, Johns Hopkins University, Baltimore, MD, United States
| | - Fabrizio Mattei
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Giovanna Schiavoni
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy,*Correspondence: Gilda Varricchi, ; Giovanna Schiavoni,
| | - Gilda Varricchi
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy,World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy,Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy,Institute of Experimental Endocrinology and Oncology “G. Salvatore”, National Research Council (CNR), Naples, Italy,*Correspondence: Gilda Varricchi, ; Giovanna Schiavoni,
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18
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Peng J, Federman HG, Hernandez C, Siracusa MC. Communication is key: Innate immune cells regulate host protection to helminths. Front Immunol 2022; 13:995432. [PMID: 36225918 PMCID: PMC9548658 DOI: 10.3389/fimmu.2022.995432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/30/2022] [Indexed: 11/24/2022] Open
Abstract
Parasitic helminth infections remain a significant global health issue and are responsible for devastating morbidity and economic hardships. During infection, helminths migrate through different host organs, which results in substantial tissue damage and the release of diverse effector molecules by both hematopoietic and non-hematopoietic cells. Thus, host protective responses to helminths must initiate mechanisms that help to promote worm clearance while simultaneously mitigating tissue injury. The specialized immunity that promotes these responses is termed type 2 inflammation and is initiated by the recruitment and activation of hematopoietic stem/progenitor cells, mast cells, basophils, eosinophils, dendritic cells, neutrophils, macrophages, myeloid-derived suppressor cells, and group 2 innate lymphoid cells. Recent work has also revealed the importance of neuron-derived signals in regulating type 2 inflammation and antihelminth immunity. These studies suggest that multiple body systems coordinate to promote optimal outcomes post-infection. In this review, we will describe the innate immune events that direct the scope and intensity of antihelminth immunity. Further, we will highlight the recent progress made in our understanding of the neuro-immune interactions that regulate these pathways and discuss the conceptual advances they promote.
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Affiliation(s)
- Jianya Peng
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
- Department of Medicine, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
| | - Hannah G. Federman
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
- Department of Medicine, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
| | - Christina M. Hernandez
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
- Department of Medicine, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
| | - Mark C. Siracusa
- Center for Immunity and Inflammation, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
- Department of Medicine, New Jersey Medical School, Rutgers-The State University of New Jersey, Newark, NJ, United States
- *Correspondence: Mark C. Siracusa,
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Miyake K, Ito J, Karasuyama H. Role of Basophils in a Broad Spectrum of Disorders. Front Immunol 2022; 13:902494. [PMID: 35693800 PMCID: PMC9186123 DOI: 10.3389/fimmu.2022.902494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/04/2022] [Indexed: 11/13/2022] Open
Abstract
Basophils are the rarest granulocytes and have long been overlooked in immunological research due to their rarity and similarities with tissue-resident mast cells. In the last two decades, non-redundant functions of basophils have been clarified or implicated in a broad spectrum of immune responses, particularly by virtue of the development of novel analytical tools for basophils. Basophils infiltrate inflamed tissues of patients with various disorders, even though they circulate in the bloodstream under homeostatic conditions. Depletion of basophils results in the amelioration or exaggeration of inflammation, depending on models of disease, indicating basophils can play either beneficial or deleterious roles in a context-dependent manner. In this review, we summarize the recent findings of basophil pathophysiology under various conditions in mice and humans, including allergy, autoimmunity, tumors, tissue repair, fibrosis, and COVID-19. Further mechanistic studies on basophil biology could lead to the identification of novel biomarkers or therapeutic targets in a broad range of diseases.
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20
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Tchen J, Charles N. [Basophils and IgE in autoimmunity: Mechanisms and therapeutic targets]. Med Sci (Paris) 2022; 38:366-373. [PMID: 35485897 DOI: 10.1051/medsci/2022040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Understanding the pathophysiology of antibody-driven autoimmune diseases (AAID) represents a major challenge for the biomedical community to develop innovative therapeutic strategies that are still lacking to control these diseases. If the reason why AAID are developing still needs to be defined, loss of tolerance to self-antigens leads to the development of an autoimmune chain reaction in some individuals. However, autoreactive antibodies are present in a large proportion of the general population without any associated pathological condition. The amplification of autoantibody production, circulating immune complex formation and innate immune system activation leading to this amplification are some central phenomena in AAID pathophysiology. In this review, we summarize the contribution of type 2 immunity, basophils and IgE in the initiation of some amplification loops that are pathogenic in some AAID, including systemic lupus erythematosus and mixed connective tissue disease.
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Affiliation(s)
- John Tchen
- Université Paris Cité, Centre de recherche sur l'inflammation, Inserm UMR1149, CNRS ERL8252, Faculté de médecine site Bichat, Paris, France - Université Paris Cité, Laboratoire d'excellence Inflamex, Paris, France
| | - Nicolas Charles
- Université Paris Cité, Centre de recherche sur l'inflammation, Inserm UMR1149, CNRS ERL8252, Faculté de médecine site Bichat, Paris, France - Université Paris Cité, Laboratoire d'excellence Inflamex, Paris, France
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21
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Beck LA, Cork MJ, Amagai M, De Benedetto A, Kabashima K, Hamilton JD, Rossi AB. Type 2 Inflammation Contributes to Skin Barrier Dysfunction in Atopic Dermatitis. JID INNOVATIONS 2022; 2:100131. [PMID: 36059592 PMCID: PMC9428921 DOI: 10.1016/j.xjidi.2022.100131] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 01/04/2022] [Accepted: 01/06/2022] [Indexed: 01/02/2023] Open
Abstract
Skin barrier dysfunction, a defining feature of atopic dermatitis (AD), arises from multiple interacting systems. In AD, skin inflammation is caused by host-environment interactions involving keratinocytes as well as tissue-resident immune cells such as type 2 innate lymphoid cells, basophils, mast cells, and T helper type 2 cells, which produce type 2 cytokines, including IL-4, IL-5, IL-13, and IL-31. Type 2 inflammation broadly impacts the expression of genes relevant for barrier function, such as intracellular structural proteins, extracellular lipids, and junctional proteins, and enhances Staphylococcus aureus skin colonization. Systemic anti‒type 2 inflammation therapies may improve dysfunctional skin barrier in AD.
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Key Words
- AD, atopic dermatitis
- AMP, antimicrobial peptide
- CLDN, claudin
- FFA, free fatty acid
- ILC2, type 2 innate lymphoid cell
- Jaki, Jak inhibitor
- K, keratin
- KC, keratinocyte
- MMP, matrix metalloproteinase
- NMF, natural moisturizing factor
- PAR, protease-activated receptor
- PDE-4, phosphodiesterase-4
- SC, stratum corneum
- SG, stratum granulosum
- TCI, topical calcineurin inhibitor
- TCS, topical corticosteroid
- TEWL, transepidermal water loss
- TJ, tight junction
- TLR, toll-like receptor
- TNF-α, tumor necrosis factor alpha
- TYK, tyrosine kinase
- Th, T helper
- ZO, zona occludens
- hBD, human β-defensin
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Affiliation(s)
- Lisa A. Beck
- Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA,Correspondence: Lisa A. Beck, Department of Dermatology, University of Rochester Medical Center, 601 Elmwood Ave, Box 697, Rochester, New York 14642, USA.
| | - Michael J. Cork
- Sheffield Dermatology Research, Department of Infection, Immunity and Cardiovascular Disease (IICD), The University of Sheffield, The Medical School, Sheffield, United Kingdom
| | - Masayuki Amagai
- Department of Dermatology, Keio University School of Medicine, Tokyo, Japan,Laboratory for Skin Homeostasis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Anna De Benedetto
- Department of Dermatology, University of Rochester Medical Center, Rochester, New York, USA
| | - Kenji Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto University, Kyoto, Japan
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22
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Steinhoff M, Ahmad F, Pandey A, Datsi A, AlHammadi A, Al-Khawaga S, Al-Malki A, Meng J, Alam M, Buddenkotte J. Neuro-immune communication regulating pruritus in atopic dermatitis. J Allergy Clin Immunol 2022; 149:1875-1898. [PMID: 35337846 DOI: 10.1016/j.jaci.2022.03.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 02/13/2022] [Accepted: 03/10/2022] [Indexed: 11/26/2022]
Abstract
Atopic dermatitis (AD) is a common, chronic-relapsing inflammatory skin disease with significant disease burden. Genetic and environmental trigger factors contribute to AD, activating two of our largest organs, the nervous and immune system. Dysregulation of neuro-immune circuits plays a key role in the pathophysiology of AD causing inflammation, pruritus, pain, and barrier dysfunction. Sensory nerves can be activated by environmental or endogenous trigger factors transmitting itch stimuli to the brain. Upon stimulation, sensory nerve endings also release neuromediators into the skin contributing again to inflammation, barrier dysfunction and itch. Additionally, dysfunctional peripheral and central neuronal structures contribute to neuroinflammation, sensitization, nerve elongation, neuropathic itch, thus chronification and therapy-resistance. Consequently, neuro-immune circuits in skin and central nervous system may be targets to treat pruritus in AD. Cytokines, chemokines, proteases, lipids, opioids, ions excite/sensitize sensory nerve endings not only induce itch but further aggravate/perpetuate inflammation, skin barrier disruption, and pruritus. Thus, targeted therapies for neuro-immune circuits as well as pathway inhibitors (e.g., kinase inhibitors) may be beneficial to control pruritus in AD either in systemic and/or topical form. Understanding neuro-immune circuits and neuronal signaling will optimize our approach to control all pathological mechanisms in AD, inflammation, barrier dysfunction and pruritus.
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Affiliation(s)
- Martin Steinhoff
- Department of Dermatology and Venereology, Hamad Medical Corporation, Doha, Qatar; Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Department of Dermatology, Weill Cornell Medicine-Qatar, Doha, Qatar; Qatar University, College of Medicine, Doha, Qatar; Department of Dermatology, Weill Cornell Medicine, New York, USA.
| | - Fareed Ahmad
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Atul Pandey
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Angeliki Datsi
- Institute for Transplantational Diagnostics and Cell Therapeutics, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Ayda AlHammadi
- Department of Dermatology and Venereology, Hamad Medical Corporation, Doha, Qatar
| | - Sara Al-Khawaga
- Department of Dermatology and Venereology, Hamad Medical Corporation, Doha, Qatar
| | - Aysha Al-Malki
- Department of Dermatology and Venereology, Hamad Medical Corporation, Doha, Qatar
| | - Jianghui Meng
- National Institute for Cellular Biotechnology, Dublin City University, Dublin, Ireland
| | - Majid Alam
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Joerg Buddenkotte
- Department of Dermatology and Venereology, Hamad Medical Corporation, Doha, Qatar; Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
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23
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Vacca F, Le Gros G. Tissue-specific immunity in helminth infections. Mucosal Immunol 2022; 15:1212-1223. [PMID: 35680972 PMCID: PMC9178325 DOI: 10.1038/s41385-022-00531-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/25/2022] [Accepted: 05/16/2022] [Indexed: 02/04/2023]
Abstract
A characteristic feature of host responses to helminth infections is the development of profound systemic and tissue-localised Type 2 immune responses that play critical roles in immunity, tissue repair and tolerance of the parasite at tissue sites. These same Type 2 responses are also seen in the tissue-associated immune-pathologies seen in asthma, atopic dermatitis and many forms of allergies. The recent identification of new subtypes of immune cells and cytokine pathways that influence both immune and non-immune cells and tissues creates the opportunity for reviewing helminth parasite-host responses in the context of tissue specific immunity. This review focuses on the new discoveries of the cells and cytokines involved in tissue specific immune responses to helminths and how these contribute to host immunity against helminth infection and allow the host to accommodate the presence of parasites when they cannot be eliminated.
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Affiliation(s)
- Francesco Vacca
- grid.250086.90000 0001 0740 0291Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Graham Le Gros
- grid.250086.90000 0001 0740 0291Malaghan Institute of Medical Research, Wellington, New Zealand
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Zeng-Yun-Ou Z, Zhong-Yu J, Wei L. Bidirectional associations between eosinophils, basophils, and lymphocytes with atopic dermatitis: A multivariable Mendelian randomization study. Front Immunol 2022; 13:1001911. [PMID: 36569933 PMCID: PMC9780468 DOI: 10.3389/fimmu.2022.1001911] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Background Despite being prone to reverse causation and having unmeasured confounding factors, many clinical observational studies have highlighted the critical association between basophils, eosinophils, and lymphocytes and atopic dermatitis (AD). Whether these cells play a causal role in AD development remains uncertain. Methods Data were obtained from the UK Biobank and the Blood Cell Consortium, from a large publicly available genome-wide association study (GWAS) with more than 500,000 subjects of European ancestry and for AD from three independent cohorts with more than 700,000 subjects of European ancestry. We performed single-variable Mendelian randomization (SVMR), followed by multivariable Mendelian randomization (MVMR) to assess the total and direct effects of immune cell counts on AD risk. Results SVMR estimates showed that genetically predicted higher eosinophil [odds ratio (OR): 1.23, 95% confidence interval (CI): 1.17-1.29, p = 5.85E-16] and basophil counts (OR: 1.11, 95% CI: 1.03-1.19, p = 0.004) had an adverse effect on the risk of AD, while a higher lymphocyte count (OR: 0.93, 95% CI: 0.89-0.98, p = 0.006) decreased the risk. Reverse MR analysis showed higher basophil (beta: 0.04, 95% CI: 0.01-0.07, p = 0.014) and lower lymphocyte counts (beta: -0.05, 95% CI: -0.09 to -0.01, p = 0.021) in patients with AD. In MVMR, the effects of eosinophils (OR: 1.19, 95% CI: 1.09-1.29, p = 8.98E-05), basophils (OR: 1.19, 95% CI: 1.14-1.24, p = 3.72E-15), and lymphocytes (OR: 0.93, 95% CI: 0.89-0.98, p = 0.006) were still significant. Discussion Mendelian randomization (MR) findings suggest that an increase in the eosinophil and basophil counts and a decrease in the lymphocyte counts are potential causal risk factors for AD. These risk factors are independent of each other.
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Affiliation(s)
- Zhang Zeng-Yun-Ou
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Jian Zhong-Yu
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, China
| | - Li Wei
- Department of Dermatology and Rare Disease Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Li Wei,
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Sehgal A, Irvine KM, Hume DA. Functions of macrophage colony-stimulating factor (CSF1) in development, homeostasis, and tissue repair. Semin Immunol 2021; 54:101509. [PMID: 34742624 DOI: 10.1016/j.smim.2021.101509] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/23/2021] [Indexed: 12/16/2022]
Abstract
Macrophage colony-stimulating factor (CSF1) is the primary growth factor required for the control of monocyte and macrophage differentiation, survival, proliferation and renewal. Although the cDNAs encoding multiple isoforms of human CSF1 were cloned in the 1980s, and recombinant proteins were available for testing in humans, CSF1 has not yet found substantial clinical application. Here we present an overview of CSF1 biology, including evolution, regulation and functions of cell surface and secreted isoforms. CSF1 is widely-expressed, primarily by cells of mesenchymal lineages, in all mouse tissues. Cell-specific deletion of a floxed Csf1 allele in mice indicates that local CSF1 production contributes to the maintenance of tissue-specific macrophage populations but is not saturating. CSF1 in the circulation is controlled primarily by receptor-mediated clearance by macrophages in liver and spleen. Administration of recombinant CSF1 to humans or animals leads to monocytosis and expansion of tissue macrophage populations and growth of the liver and spleen. In a wide variety of tissue injury models, CSF1 administration promotes monocyte infiltration, clearance of damaged cells and repair. We suggest that CSF1 has therapeutic potential in regenerative medicine.
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Affiliation(s)
- Anuj Sehgal
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Katharine M Irvine
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - David A Hume
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia.
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Matsumoto K, Morita H, Nakae S. New insights into human atopic dermatitis provided by mouse models. J Allergy Clin Immunol 2021; 148:722-724. [PMID: 34314762 DOI: 10.1016/j.jaci.2021.07.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/11/2021] [Accepted: 07/20/2021] [Indexed: 01/16/2023]
Affiliation(s)
- Kenji Matsumoto
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan.
| | - Hideaki Morita
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Susumu Nakae
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan; Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency, Saitama, Japan
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Das M, Leyva-Castillo JM, Geha RS. Basophil: The cell that itches. J Allergy Clin Immunol 2021; 148:708-709. [PMID: 34147536 DOI: 10.1016/j.jaci.2021.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 11/20/2022]
Affiliation(s)
- Mrinmoy Das
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics Harvard Medical School, Boston, Mass
| | - Juan-Manuel Leyva-Castillo
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics Harvard Medical School, Boston, Mass
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics Harvard Medical School, Boston, Mass.
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