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Tchen J, Simon Q, Chapart L, Thaminy MK, Vibhushan S, Saveanu L, Lamri Y, Saidoune F, Pacreau E, Pellefigues C, Bex-Coudrat J, Karasuyama H, Miyake K, Hidalgo J, Fallon PG, Papo T, Blank U, Benhamou M, Hanouna G, Sacre K, Daugas E, Charles N. PD-L1- and IL-4-expressing basophils promote pathogenic accumulation of T follicular helper cells in lupus. Nat Commun 2024; 15:3389. [PMID: 38649353 PMCID: PMC11035650 DOI: 10.1038/s41467-024-47691-w] [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] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by anti-nuclear autoantibodies whose production is promoted by autoreactive T follicular helper (TFH) cells. During SLE pathogenesis, basophils accumulate in secondary lymphoid organs (SLO), amplify autoantibody production and disease progression through mechanisms that remain to be defined. Here, we provide evidence for a direct functional relationship between TFH cells and basophils during lupus pathogenesis, both in humans and mice. PD-L1 upregulation on basophils and IL-4 production are associated with TFH and TFH2 cell expansions and with disease activity. Pathogenic TFH cell accumulation, maintenance, and function in SLO were dependent on PD-L1 and IL-4 in basophils, which induced a transcriptional program allowing TFH2 cell differentiation and function. Our study establishes a direct mechanistic link between basophils and TFH cells in SLE that promotes autoantibody production and lupus nephritis.
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Affiliation(s)
- John Tchen
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Quentin Simon
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Inovarion, 75005, Paris, France
| | - Léa Chapart
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Morgane K Thaminy
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Shamila Vibhushan
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Loredana Saveanu
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Yasmine Lamri
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Fanny Saidoune
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Emeline Pacreau
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Christophe Pellefigues
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Julie Bex-Coudrat
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Hajime Karasuyama
- Inflammation, Infection and Immunity Laboratory, TMDU Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Kensuke Miyake
- Inflammation, Infection and Immunity Laboratory, TMDU Advanced Research Institute, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Juan Hidalgo
- Universidad Autonoma de Barcelona, Facultad de Biociencias, Unidad de Fisiologia Animal Bellaterra, Bellaterra Campus, 08193, Barcelona, Spain
| | | | - Thomas Papo
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Médecine Interne, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Ulrich Blank
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Marc Benhamou
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
| | - Guillaume Hanouna
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Néphrologie, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Karim Sacre
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Médecine Interne, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Eric Daugas
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France
- Service de Néphrologie, Hôpital Bichat, Assistance Publique - Hôpitaux de Paris, 75018, Paris, France
| | - Nicolas Charles
- Université Paris Cité, Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS EMR8252, Faculté de Médecine site Bichat, 75018, Paris, France.
- Université Paris Cité, Laboratoire d'Excellence Inflamex, 75018, Paris, France.
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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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5
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Poto R, Loffredo S, Marone G, Di Salvatore A, de Paulis A, Schroeder JT, Varricchi G. Basophils beyond allergic and parasitic diseases. Front Immunol 2023; 14:1190034. [PMID: 37205111 PMCID: PMC10185837 DOI: 10.3389/fimmu.2023.1190034] [Citation(s) in RCA: 1] [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: 03/20/2023] [Accepted: 04/14/2023] [Indexed: 05/21/2023] Open
Abstract
Basophils bind IgE via FcεRI-αβγ2, which they uniquely share only with mast cells. In doing so, they can rapidly release mediators that are hallmark of allergic disease. This fundamental similarity, along with some morphological features shared by the two cell types, has long brought into question the biological significance that basophils mediate beyond that of mast cells. Unlike mast cells, which mature and reside in tissues, basophils are released into circulation from the bone marrow (constituting 1% of leukocytes), only to infiltrate tissues under specific inflammatory conditions. Evidence is emerging that basophils mediate non-redundant roles in allergic disease and, unsuspectingly, are implicated in a variety of other pathologies [e.g., myocardial infarction, autoimmunity, chronic obstructive pulmonary disease, fibrosis, cancer, etc.]. Recent findings strengthen the notion that these cells mediate protection from parasitic infections, whereas related studies implicate basophils promoting wound healing. Central to these functions is the substantial evidence that human and mouse basophils are increasingly implicated as important sources of IL-4 and IL-13. Nonetheless, much remains unclear regarding the role of basophils in pathology vs. homeostasis. In this review, we discuss the dichotomous (protective and/or harmful) roles of basophils in a wide spectrum of non-allergic disorders.
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Affiliation(s)
- Remo Poto
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
- World Allergy Organization (WAO), Center of Excellence (CoE), Naples, Italy
| | - Stefania Loffredo
- 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
| | - 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
| | - Antonio Di Salvatore
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
| | - Amato de Paulis
- 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
| | - John T. Schroeder
- Division of Allergy and Clinical Immunology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - 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
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Monteiro CJ, Heery DM, Whitchurch JB. Modern Approaches to Mouse Genome Editing Using the CRISPR-Cas Toolbox and Their Applications in Functional Genomics and Translational Research. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1429:13-40. [PMID: 37486514 DOI: 10.1007/978-3-031-33325-5_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Mice have been used in biological research for over a century, and their immense contribution to scientific breakthroughs can be seen across all research disciplines, with some of the main beneficiaries being the fields of medicine and life sciences. Genetically engineered mouse models (GEMMs), along with other model organisms, are fundamentally important research tools frequently utilised to enhance our understanding of pathophysiology and biological mechanisms behind disease. In the 1980s, it became possible to precisely edit the mouse genome to create gene knockout and knock-in mice, although with low efficacy. Recent advances utilising CRISPR-Cas technologies have considerably improved our ability to do this with ease and precision, while also allowing the generation of desired genetic variants from single nucleotide substitutions to large insertions/deletions. It is now quick and relatively easy to genetically edit somatic cells which were previously more recalcitrant to traditional approaches. Further refinements have created a 'CRISPR toolkit' that has expanded the use of CRISPR-Cas beyond gene knock-ins and knockouts. In this chapter, we review some of the latest applications of CRISPR-Cas technologies in GEMMs, including nuclease-dead Cas9 systems for activation or repression of gene expression, base editing and prime editing. We also discuss improvements in Cas9 specificity, targeting efficacy and delivery methods in mice. Throughout, we provide examples wherein CRISPR-Cas technologies have been applied to target clinically relevant genes in preclinical GEMMs, both to generate humanised models and for experimental gene therapy research.
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Affiliation(s)
- Cintia J Monteiro
- Department of Genetics, Molecular Immunogenetics Group, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - David M Heery
- School of Pharmacy, University of Nottingham, Nottingham, UK
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