1
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Strickland E, Pan D, Godfrey C, Kim JS, Hopke A, Ji W, Degrange M, Villavicencio B, Mansour MK, Zerbe CS, Irimia D, Amir A, Weiner OD. Self-extinguishing relay waves enable homeostatic control of human neutrophil swarming. Dev Cell 2024:S1534-5807(24)00381-2. [PMID: 38971157 DOI: 10.1016/j.devcel.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/16/2024] [Accepted: 06/07/2024] [Indexed: 07/08/2024]
Abstract
Neutrophils collectively migrate to sites of injury and infection. How these swarms are coordinated to ensure the proper level of recruitment is unknown. Using an ex vivo model of infection, we show that human neutrophil swarming is organized by multiple pulsatile chemoattractant waves. These waves propagate through active relay in which stimulated neutrophils trigger their neighbors to release additional swarming cues. Unlike canonical active relays, we find these waves to be self-terminating, limiting the spatial range of cell recruitment. We identify an NADPH-oxidase-based negative feedback loop that is needed for this self-terminating behavior. We observe near-constant levels of neutrophil recruitment over a wide range of starting conditions, revealing surprising robustness in the swarming process. This homeostatic control is achieved by larger and more numerous swarming waves at lower cell densities. We link defective wave termination to a broken recruitment homeostat in the context of human chronic granulomatous disease.
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Affiliation(s)
- Evelyn Strickland
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA, USA; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Deng Pan
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Christian Godfrey
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Julia S Kim
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA, USA
| | - Alex Hopke
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Burns Hospital, Boston, MA 02114, USA
| | - Wencheng Ji
- Department of Physics of Complex Systems, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Maureen Degrange
- Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | | | - Michael K Mansour
- Harvard Medical School, Boston, MA, USA; Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA
| | - Christa S Zerbe
- Laboratory of Clinical Immunology and Microbiology (LCIM), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Daniel Irimia
- Center for Engineering in Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Shriners Burns Hospital, Boston, MA 02114, USA
| | - Ariel Amir
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; Department of Physics of Complex Systems, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Orion D Weiner
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA, USA; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA.
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2
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Isiaku AI, Zhang Z, Pazhakh V, Lieschke GJ. A nox2/cybb zebrafish mutant with defective myeloid cell reactive oxygen species production displays normal initial neutrophil recruitment to sterile tail injuries. G3 (BETHESDA, MD.) 2024; 14:jkae079. [PMID: 38696730 DOI: 10.1093/g3journal/jkae079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/03/2024] [Indexed: 05/04/2024]
Abstract
Reactive oxygen species are important effectors and modifiers of the acute inflammatory response, recruiting phagocytes including neutrophils to sites of tissue injury. In turn, phagocytes such as neutrophils are both consumers and producers of reactive oxygen species. Phagocytes including neutrophils generate reactive oxygen species in an oxidative burst through the activity of a multimeric phagocytic nicotinamide adenine dinucleotide phosphate oxidase complex. Mutations in the NOX2/CYBB (previously gp91phox) nicotinamide adenine dinucleotide phosphate oxidase subunit are the commonest cause of chronic granulomatous disease, a disease characterized by infection susceptibility and an inflammatory phenotype. To model chronic granulomatous disease, we made a nox2/cybb zebrafish (Danio rerio) mutant and demonstrated it to have severely impaired myeloid cell reactive oxygen species production. Reduced early survival of nox2 mutant embryos indicated an essential requirement for nox2 during early development. In nox2/cybb zebrafish mutants, the dynamics of initial neutrophil recruitment to both mild and severe surgical tailfin wounds was normal, suggesting that excessive neutrophil recruitment at the initiation of inflammation is not the primary cause of the "sterile" inflammatory phenotype of chronic granulomatous disease patients. This nox2 zebrafish mutant adds to existing in vivo models for studying reactive oxygen species function in myeloid cells including neutrophils in development and disease.
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Affiliation(s)
- Abdulsalam I Isiaku
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Zuobing Zhang
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Vahid Pazhakh
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Graham J Lieschke
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
- Department of Clinical Haematology, Peter MacCallum Cancer Center and The Royal Melbourne Hospital, Parkville, VIC 3050, Australia
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3
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Haist KC, Gibbings SL, Jacobelli J, Mould KJ, Henson PM, Bratton DL. A LTB 4/CD11b self-amplifying loop drives pyogranuloma formation in chronic granulomatous disease. iScience 2024; 27:109589. [PMID: 38623335 PMCID: PMC11016758 DOI: 10.1016/j.isci.2024.109589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/23/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
Sterile pyogranulomas and heightened cytokine production are hyperinflammatory hallmarks of Chronic Granulomatous Disease (CGD). Using peritoneal cells of zymosan-treated CGD (gp91phox-/-) versus wild-type (WT) mice, an ex vivo system of pyogranuloma formation was developed to determine factors involved in and consequences of recruitment of neutrophils and monocyte-derived macrophages (MoMacs). Whereas WT cells failed to aggregate, CGD cells formed aggregates containing neutrophils initially, and MoMacs recruited secondarily. LTB4 was key, as antagonizing BLT1 blocked neutrophil aggregation, but acted only indirectly on MoMac recruitment. LTB4 upregulated CD11b expression on CGD neutrophils, and the absence/blockade of CD11b inhibited LTB4 production and cell aggregation. Neutrophil-dependent MoMac recruitment was independent of MoMac Nox2 status, BLT1, CCR1, CCR2, CCR5, CXCR2, and CXCR6. As proof of concept, CD11b-deficient CGD mice developed disrupted pyogranulomas with poorly organized neutrophils and diminished recruitment of MoMacs. Importantly, the disruption of cell aggregation and pyogranuloma formation markedly reduced proinflammatory cytokine production.
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Affiliation(s)
- Kelsey C. Haist
- National Jewish Health, Department of Pediatrics, Denver, CO 80206, USA
| | | | - Jordan Jacobelli
- University of Colorado, Anschutz Medical Campus, Department of Immunology and Microbiology, Barbara Davis Research Center, Aurora, CO 80045, USA
| | - Kara J. Mould
- National Jewish Health, Department of Medicine, Denver, CO 80206, USA
- University of Colorado, Anschutz Medical Campus, Department of Pulmonary and Critical Care Medicine, Aurora, CO 80045, USA
| | - Peter M. Henson
- National Jewish Health, Department of Pediatrics, Denver, CO 80206, USA
- University of Colorado, Anschutz Medical Campus, Department of Immunology and Microbiology, Barbara Davis Research Center, Aurora, CO 80045, USA
- National Jewish Health, Department of Medicine, Denver, CO 80206, USA
- University of Colorado, Anschutz Medical Campus, Department of Pulmonary and Critical Care Medicine, Aurora, CO 80045, USA
| | - Donna L. Bratton
- National Jewish Health, Department of Pediatrics, Denver, CO 80206, USA
- University of Colorado, Anschutz Medical Campus, Department of Pediatrics, Aurora, CO 80045, USA
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4
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Gibbings SL, Haist KC, Redente EF, Henson PM, Bratton DL. TNFα: TNFR1 signaling inhibits maturation and maintains the pro-inflammatory programming of monocyte-derived macrophages in murine chronic granulomatous disease. Front Immunol 2024; 15:1354836. [PMID: 38404573 PMCID: PMC10884288 DOI: 10.3389/fimmu.2024.1354836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 01/24/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction Loss of NADPH oxidase activity results in proinflammatory macrophages that contribute to hyperinflammation in Chronic Granulomatous Disease (CGD). Previously, it was shown in a zymosan-induced peritonitis model that gp91phox-/- (CGD) monocyte-derived macrophages (MoMacs) fail to phenotypically mature into pro-resolving MoMacs characteristic of wild type (WT) but retain the ability to do so when placed in the WT milieu. Accordingly, it was hypothesized that soluble factor(s) in the CGD milieu thwart appropriate programming. Methods We sought to identify key constituents using ex vivo culture of peritoneal inflammatory leukocytes and their conditioned media. MoMac phenotyping was performed via flow cytometry, measurement of efferocytic capacity and multiplex analysis of secreted cytokines. Addition of exogenous TNFα, TNFα neutralizing antibody and TNFR1-/- MoMacs were used to study the role of TNFα: TNFR1 signaling in MoMac maturation. Results More extensive phenotyping defined normal MoMac maturation and demonstrated failure of maturation of CGD MoMacs both ex vivo and in vivo. Protein components, and specifically TNFα, produced and released by CGD neutrophils and MoMacs into conditioned media was identified as critical to preventing maturation. Exogenous addition of TNFα inhibited WT MoMac maturation, and its neutralization allowed maturation of cultured CGD MoMacs. TNFα neutralization also reduced production of IL-1β, IL-6 and CXCL1 by CGD cells though these cytokines played no role in MoMac programming. MoMacs lacking TNFR1 matured more normally in the CGD milieu both ex vivo and following adoptive transfer in vivo. Discussion These data lend mechanistic insights into the utility of TNFα blockade in CGD and to other diseases where such therapy has been shown to be beneficial.
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Affiliation(s)
- Sophie L. Gibbings
- Department of Pediatrics, National Jewish Health, Denver, CO, United States
| | - Kelsey C. Haist
- Department of Pediatrics, National Jewish Health, Denver, CO, United States
| | - Elizabeth F. Redente
- Department of Pediatrics, National Jewish Health, Denver, CO, United States
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
| | - Peter M. Henson
- Department of Pediatrics, National Jewish Health, Denver, CO, United States
- Department of Medicine, University of Colorado Denver, Aurora, CO, United States
- Department of Immunology and Microbiology, University of Colorado Denver, Aurora, CO, United States
| | - Donna L. Bratton
- Department of Pediatrics, National Jewish Health, Denver, CO, United States
- Department of Pediatrics, University of Colorado Denver, Aurora, CO, United States
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5
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Zeng A, Ni K, Fang S, Yu L, Gao Y, Zhou L, Zhao X. Generation of a human iPSC line (CHCMUi002-A) from peripheral blood mononuclear cells from a chronic granulomatous disease patient. Stem Cell Res 2024; 74:103269. [PMID: 38134578 DOI: 10.1016/j.scr.2023.103269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/22/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Chronic granulomatous disease (CGD) is a rare X-linked recessive primary immunodeficiency disease (PID). Herein, a human induced pluripotent stem cell (iPSC) line was generated from the peripheral blood mononuclear cells (PBMCs) of a CGD patient with a mutation (c.785_786delTT) in the CYBB gene. These iPSCs showed the expression of pluripotency markers, the ability to differentiate into three germ layers. They offer a promising technique for studying the pathogenesis and conducting drug screening for CGD patients.
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Affiliation(s)
- Anle Zeng
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Ke Ni
- Aldit Therapeutics, Hangzhou, Zhejiang, China
| | - Shuyu Fang
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Lang Yu
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Yelei Gao
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Lina Zhou
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaodong Zhao
- Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Child Infection and Immunity, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China; Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China.
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6
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Song Z, Bhattacharya S, Clemens RA, Dinauer MC. Molecular regulation of neutrophil swarming in health and disease: Lessons from the phagocyte oxidase. iScience 2023; 26:108034. [PMID: 37854699 PMCID: PMC10579437 DOI: 10.1016/j.isci.2023.108034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023] Open
Abstract
Neutrophil swarming is a complex coordinated process in which neutrophils sensing pathogen or damage signals are rapidly recruited to sites of infections or injuries. This process involves cooperation between neutrophils where autocrine and paracrine positive-feedback loops, mediated by receptor/ligand pairs including lipid chemoattractants and chemokines, amplify localized recruitment of neutrophils. This review will provide an overview of key pathways involved in neutrophil swarming and then discuss the cell intrinsic and systemic mechanisms by which NADPH oxidase 2 (NOX2) regulates swarming, including modulation of calcium signaling, inflammatory mediators, and the mobilization and production of neutrophils. We will also discuss mechanisms by which altered neutrophil swarming in disease may contribute to deficient control of infections and/or exuberant inflammation. Deeper understanding of underlying mechanisms controlling neutrophil swarming and how neutrophil cooperative behavior can be perturbed in the setting of disease may help to guide development of tools for diagnosis and precision medicine.
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Affiliation(s)
- Zhimin Song
- Guangzhou National Laboratory, Guangzhou 510320, Guangdong Province, China
| | - Sourav Bhattacharya
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Regina A. Clemens
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Mary C. Dinauer
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
- Department of Pathology and Immunology, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
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7
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Belliveau NM, Footer MJ, Akdoǧan E, van Loon AP, Collins SR, Theriot JA. Whole-genome screens reveal regulators of differentiation state and context-dependent migration in human neutrophils. Nat Commun 2023; 14:5770. [PMID: 37723145 PMCID: PMC10507112 DOI: 10.1038/s41467-023-41452-x] [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: 02/15/2023] [Accepted: 08/31/2023] [Indexed: 09/20/2023] Open
Abstract
Neutrophils are the most abundant leukocyte in humans and provide a critical early line of defense as part of our innate immune system. We perform a comprehensive, genome-wide assessment of the molecular factors critical to proliferation, differentiation, and cell migration in a neutrophil-like cell line. Through the development of multiple migration screen strategies, we specifically probe directed (chemotaxis), undirected (chemokinesis), and 3D amoeboid cell migration in these fast-moving cells. We identify a role for mTORC1 signaling in cell differentiation, which influences neutrophil abundance, survival, and migratory behavior. Across our individual migration screens, we identify genes involved in adhesion-dependent and adhesion-independent cell migration, protein trafficking, and regulation of the actomyosin cytoskeleton. This genome-wide screening strategy, therefore, provides an invaluable approach to the study of neutrophils and provides a resource that will inform future studies of cell migration in these and other rapidly migrating cells.
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Affiliation(s)
- Nathan M Belliveau
- Department of Biology and Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA
| | - Matthew J Footer
- Department of Biology and Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA
| | - Emel Akdoǧan
- Department of Microbiology and Molecular Genetics, University of California, Davis, Davis, CA, 95616, USA
| | - Aaron P van Loon
- Department of Biology and Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA
| | - Sean R Collins
- Department of Microbiology and Molecular Genetics, University of California, Davis, Davis, CA, 95616, USA
| | - Julie A Theriot
- Department of Biology and Howard Hughes Medical Institute, University of Washington, Seattle, WA, 98195, USA.
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8
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Justiz-Vaillant AA, Williams-Persad AFA, Arozarena-Fundora R, Gopaul D, Soodeen S, Asin-Milan O, Thompson R, Unakal C, Akpaka PE. Chronic Granulomatous Disease (CGD): Commonly Associated Pathogens, Diagnosis and Treatment. Microorganisms 2023; 11:2233. [PMID: 37764077 PMCID: PMC10534792 DOI: 10.3390/microorganisms11092233] [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: 07/23/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
Chronic granulomatous disease (CGD) is a primary immunodeficiency caused by a defect in the phagocytic function of the innate immune system owing to mutations in genes encoding the five subunits of the nicotinamide adenine dinucleotide phosphatase (NADPH) oxidase enzyme complex. This review aimed to provide a comprehensive approach to the pathogens associated with chronic granulomatous disease (CGD) and its management. Patients with CGD, often children, have recurrent life-threatening infections and may develop infectious or inflammatory complications. The most common microorganisms observed in the patients with CGD are Staphylococcus aureus, Aspergillus spp., Candida spp., Nocardia spp., Burkholderia spp., Serratia spp., and Salmonella spp. Antibacterial prophylaxis with trimethoprim-sulfamethoxazole, antifungal prophylaxis usually with itraconazole, and interferon gamma immunotherapy have been successfully used in reducing infection in CGD. Haematopoietic stem cell transplantation (HCT) have been successfully proven to be the treatment of choice in patients with CGD.
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Affiliation(s)
- Angel A. Justiz-Vaillant
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
| | - Arlene Faye-Ann Williams-Persad
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
| | - Rodolfo Arozarena-Fundora
- Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Champs Fleurs, Trinidad and Tobago;
- Department of Clinical and Surgical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - Darren Gopaul
- Department of Internal Medicine, Port of Spain General Hospital, The University of the West Indies, St. Augustine, Trinidad and Tobago;
| | - Sachin Soodeen
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
| | | | - Reinand Thompson
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
| | - Chandrashekhar Unakal
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
| | - Patrick Eberechi Akpaka
- Department of Paraclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago; (A.F.-A.W.-P.); (S.S.); (R.T.); (C.U.); (P.E.A.)
- Eric Williams Medical Sciences Complex, North Central Regional Health Authority, Champs Fleurs, Trinidad and Tobago;
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9
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Metzemaekers M, Malengier-Devlies B, Gouwy M, De Somer L, Cunha FDQ, Opdenakker G, Proost P. Fast and furious: The neutrophil and its armamentarium in health and disease. Med Res Rev 2023; 43:1537-1606. [PMID: 37036061 DOI: 10.1002/med.21958] [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: 02/22/2022] [Revised: 12/27/2022] [Accepted: 03/24/2023] [Indexed: 04/11/2023]
Abstract
Neutrophils are powerful effector cells leading the first wave of acute host-protective responses. These innate leukocytes are endowed with oxidative and nonoxidative defence mechanisms, and play well-established roles in fighting invading pathogens. With microbicidal weaponry largely devoid of specificity and an all-too-well recognized toxicity potential, collateral damage may occur in neutrophil-rich diseases. However, emerging evidence suggests that neutrophils are more versatile, heterogeneous, and sophisticated cells than initially thought. At the crossroads of innate and adaptive immunity, neutrophils demonstrate their multifaceted functions in infectious and noninfectious pathologies including cancer, autoinflammation, and autoimmune diseases. Here, we discuss the kinetics of neutrophils and their products of activation from bench to bedside during health and disease, and provide an overview of the versatile functions of neutrophils as key modulators of immune responses and physiological processes. We focus specifically on those activities and concepts that have been validated with primary human cells.
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Affiliation(s)
- Mieke Metzemaekers
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Bert Malengier-Devlies
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Mieke Gouwy
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Lien De Somer
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
- Division of Pediatric Rheumatology, University Hospital Leuven, Leuven, Belgium
- European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases (RITA) at the University Hospital Leuven, Leuven, Belgium
| | | | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
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10
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Strickland E, Pan D, Godfrey C, Kim JS, Hopke A, Degrange M, Villavicencio B, Mansour MK, Zerbe CS, Irimia D, Amir A, Weiner OD. Self-extinguishing relay waves enable homeostatic control of human neutrophil swarming. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.27.546744. [PMID: 37425711 PMCID: PMC10327146 DOI: 10.1101/2023.06.27.546744] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Neutrophils exhibit self-amplified swarming to sites of injury and infection. How swarming is controlled to ensure the proper level of neutrophil recruitment is unknown. Using an ex vivo model of infection, we find that human neutrophils use active relay to generate multiple pulsatile waves of swarming signals. Unlike classic active relay systems such as action potentials, neutrophil swarming relay waves are self-extinguishing, limiting the spatial range of cell recruitment. We identify an NADPH-oxidase-based negative feedback loop that is needed for this self-extinguishing behavior. Through this circuit, neutrophils adjust the number and size of swarming waves for homeostatic levels of cell recruitment over a wide range of initial cell densities. We link a broken homeostat to neutrophil over-recruitment in the context of human chronic granulomatous disease.
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Affiliation(s)
- Evelyn Strickland
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
- Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA
| | - Deng Pan
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Christian Godfrey
- BioMEMS Resource Center and Center for Surgery, Innovation and Bioengineering, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Julia S Kim
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
- Tetrad Graduate Program, UCSF, San Francisco, CA, USA
| | - Alex Hopke
- BioMEMS Resource Center and Center for Surgery, Innovation and Bioengineering, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Maureen Degrange
- Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD 21702, USA
| | | | - Michael K Mansour
- Harvard Medical School, Boston, MA, USA
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA
| | - Christa S Zerbe
- Laboratory of Clinical Immunology and Microbiology (LCIM), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Daniel Irimia
- BioMEMS Resource Center and Center for Surgery, Innovation and Bioengineering, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Ariel Amir
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
- Department of Complex Systems, Faculty of Physics, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Orion D Weiner
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA, USA
- Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA
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11
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Krzyzanowski D, Oszer A, Madzio J, Zdunek M, Kolodrubiec J, Urbanski B, Mlynarski W, Janczar S. The paradox of autoimmunity and autoinflammation in inherited neutrophil disorders - in search of common patterns. Front Immunol 2023; 14:1128581. [PMID: 37350970 PMCID: PMC10283154 DOI: 10.3389/fimmu.2023.1128581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 05/18/2023] [Indexed: 06/24/2023] Open
Abstract
Congenital defects of neutrophil number or function are associated with a severe infectious phenotype that may require intensive medical attention and interventions to be controlled. While the infectious complications in inherited neutrophil disorders are easily understood much less clear and explained are autoimmune and autoinflammatory phenomena. We survey the clinical burden of autoimmunity/autoinflammation in this setting, search for common patterns, discuss potential mechanisms and emerging treatments.
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Affiliation(s)
- Damian Krzyzanowski
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
- Laboratory of Epigenetics, Institute of Medical Biology, Polish Academy of Sciences, Lodz, Poland
| | - Aleksandra Oszer
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Joanna Madzio
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Maciej Zdunek
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Julia Kolodrubiec
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Bartosz Urbanski
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Wojciech Mlynarski
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
| | - Szymon Janczar
- Department of Pediatrics, Oncology and Hematology, Medical University of Lodz, Lodz, Poland
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12
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Zhang L, Yu L, Li J, Li Z, Zhao X. Novel Compound Heterozygous CYBA Mutations Causing Neonatal-Onset Chronic Granulomatous Disease. J Clin Immunol 2023:10.1007/s10875-023-01492-w. [PMID: 37095426 DOI: 10.1007/s10875-023-01492-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 04/04/2023] [Indexed: 04/26/2023]
Affiliation(s)
- Liang Zhang
- Department of Nephrology, Rheumatology and Immunology, Hunan Children's Hospital, Changsha, Hunan, China
- The School of Pediatrics, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Lang Yu
- Department of Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China
- Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Junshuai Li
- The School of Pediatrics, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- Department of Neonatology, Hunan Children's Hospital, Changsha, China
| | - Zhihui Li
- Department of Nephrology, Rheumatology and Immunology, Hunan Children's Hospital, Changsha, Hunan, China.
- The School of Pediatrics, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
| | - Xiaodong Zhao
- Department of Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Chongqing Key Laboratory of Child Infection and Immunity, Children's Hospital of Chongqing Medical University, Chongqing, China.
- Division of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China.
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13
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Siwicki M, Kubes P. Neutrophils in host defense, healing, and hypersensitivity: Dynamic cells within a dynamic host. J Allergy Clin Immunol 2023; 151:634-655. [PMID: 36642653 DOI: 10.1016/j.jaci.2022.12.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 11/11/2022] [Accepted: 12/02/2022] [Indexed: 01/15/2023]
Abstract
Neutrophils are cells of the innate immune system that are extremely abundant in vivo and respond quickly to infection, injury, and inflammation. Their constant circulation throughout the body makes them some of the first responders to infection, and indeed they play a critical role in host defense against bacterial and fungal pathogens. It is now appreciated that neutrophils also play an important role in tissue healing after injury. Their short life cycle, rapid response kinetics, and vast numbers make neutrophils a highly dynamic and potentially extremely influential cell population. It has become clear that they are highly integrated with other cells of the immune system and can thus exert critical effects on the course of an inflammatory response; they can further impact tissue homeostasis and recovery after challenge. In this review, we discuss the fundamentals of neutrophils in host defense and healing; we explore the relationship between neutrophils and the dynamic host environment, including circadian cycles and the microbiome; we survey the field of neutrophils in asthma and allergy; and we consider the question of neutrophil heterogeneity-namely, whether there could be specific subsets of neutrophils that perform different functions in vivo.
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Affiliation(s)
- Marie Siwicki
- Immunology Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Immunology Research Group, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.
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14
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Idol RA, Bhattacharya S, Huang G, Song Z, Huttenlocher A, Keller NP, Dinauer MC. Neutrophil and Macrophage NADPH Oxidase 2 Differentially Control Responses to Inflammation and to Aspergillus fumigatus in Mice. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1960-1972. [PMID: 36426951 PMCID: PMC9643661 DOI: 10.4049/jimmunol.2200543] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 09/08/2022] [Indexed: 12/30/2022]
Abstract
Aspergillus fumigatus is an important opportunistic fungal pathogen and causes invasive pulmonary aspergillosis in conditions with compromised innate antifungal immunity, including chronic granulomatous disease, which results from inherited deficiency of the superoxide-generating leukocyte NADPH oxidase 2 (NOX2). Derivative oxidants have both antimicrobial and immunoregulatory activity and, in the context of A. fumigatus, contribute to both fungal killing and dampening inflammation induced by fungal cell walls. As the relative roles of macrophage versus neutrophil NOX2 in the host response to A. fumigatus are incompletely understood, we studied mice with conditional deletion of NOX2. When NOX2 was absent in alveolar macrophages as a result of LysM-Cre-mediated deletion, germination of inhaled A. fumigatus conidia was increased. Reducing NOX2 activity specifically in neutrophils via S100a8 (MRP8)-Cre also increased fungal burden, which was inversely proportional to the level of neutrophil NOX2 activity. Moreover, diminished NOX2 in neutrophils synergized with corticosteroid immunosuppression to impair lung clearance of A. fumigatus. Neutrophil-specific reduction in NOX2 activity also enhanced acute inflammation induced by inhaled sterile fungal cell walls. These results advance understanding into cell-specific roles of NOX2 in the host response to A. fumigatus. We show that alveolar macrophage NOX2 is a nonredundant effector that limits germination of inhaled A. fumigatus conidia. In contrast, reducing NOX2 activity only in neutrophils is sufficient to enhance inflammation to fungal cell walls as well as to promote invasive A. fumigatus. This may be relevant in clinical settings with acquired defects in NOX2 activity due to underlying conditions, which overlap risk factors for invasive aspergillosis.
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Affiliation(s)
- Rachel A. Idol
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Sourav Bhattacharya
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Guangming Huang
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Zhimin Song
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Anna Huttenlocher
- Department of Medical Microbiology and Immunology and Department of Pediatrics, University of Wisconsin, Madison, WI 53706, USA
| | - Nancy P. Keller
- Department of Medical Microbiology and Immunology and Department of Bacteriology, University of Wisconsin, Madison, WI 53706
| | - Mary C. Dinauer
- Department of Pediatrics and Department of Pathology and Immunology, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
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15
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Abstract
Neutrophils, the most abundant innate immune cells, play essential roles in the innate immune system. As key innate immune cells, neutrophils detect intrusion of pathogens and initiate immune cascades with their functions; swarming (arresting), cytokine production, degranulation, phagocytosis, and projection of neutrophil extracellular trap. Because of their short lifespan and consumption during immune response, neutrophils need to be generated consistently, and generation of newborn neutrophils (granulopoiesis) should fulfill the environmental/systemic demands for training in cases of infection. Accumulating evidence suggests that neutrophils also play important roles in the regulation of adaptive immunity. Neutrophil-mediated immune responses end with apoptosis of the cells, and proper phagocytosis of the apoptotic body (efferocytosis) is crucial for initial and post resolution by producing tolerogenic innate/adaptive immune cells. However, inflammatory cues can impair these cascades, resulting in systemic immune activation; necrotic/pyroptotic neutrophil bodies can aggravate the excessive inflammation, increasing inflammatory macrophage and dendritic cell activation and subsequent TH1/TH17 responses contributing to the regulation of the pathogenesis of autoimmune disease. In this review, we briefly introduce recent studies of neutrophil function as players of immune response.
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Affiliation(s)
- Mingyu Lee
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
| | - Suh Yeon Lee
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Korea
| | - Yoe-Sik Bae
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul 06355, Korea
- Department of Biological Sciences, Sungkyunkwan University, Suwon 16419, Korea
- Corresponding author. Tel: +82-31-290-5914; Fax: +82-31-290-7015; E-mail:
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16
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Wigerblad G, Kaplan MJ. Neutrophil extracellular traps in systemic autoimmune and autoinflammatory diseases. Nat Rev Immunol 2022; 23:274-288. [PMID: 36257987 PMCID: PMC9579530 DOI: 10.1038/s41577-022-00787-0] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2022] [Indexed: 11/09/2022]
Abstract
Systemic autoimmune diseases are characterized by the failure of the immune system to differentiate self from non-self. These conditions are associated with significant morbidity and mortality, and they can affect many organs and systems, having significant clinical heterogeneity. Recent discoveries have highlighted that neutrophils, and in particular the neutrophil extracellular traps that they can release upon activation, can have central roles in the initiation and perpetuation of systemic autoimmune disorders and orchestrate complex inflammatory responses that lead to organ damage. Dysregulation of neutrophil cell death can lead to the modification of autoantigens and their presentation to the adaptive immune system. Furthermore, subsets of neutrophils that seem to be more prevalent in patients with systemic autoimmune disorders can promote vascular damage and increased oxidative stress. With the emergence of new technologies allowing for improved assessments of neutrophils, the complexity of neutrophil biology and its dysregulation is now starting to be understood. In this Review, we provide an overview of the roles of neutrophils in systemic autoimmune and autoinflammatory diseases and address putative therapeutic targets that may be explored based on this new knowledge.
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17
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Akar-Ghibril N. Defects of the Innate Immune System and Related Immune Deficiencies. Clin Rev Allergy Immunol 2022; 63:36-54. [PMID: 34417936 DOI: 10.1007/s12016-021-08885-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2021] [Indexed: 01/12/2023]
Abstract
The innate immune system is the host's first line of defense against pathogens. Toll-like receptors (TLRs) are pattern recognition receptors that mediate recognition of pathogen-associated molecular patterns. TLRs also activate signaling transduction pathways involved in host defense, inflammation, development, and the production of inflammatory cytokines. Innate immunodeficiencies associated with defective TLR signaling include mutations in NEMO, IKBA, MyD88, and IRAK4. Other innate immune defects have been associated with susceptibility to herpes simplex encephalitis, viral infections, and mycobacterial disease, as well as chronic mucocutaneous candidiasis and epidermodysplasia verruciformis. Phagocytes and natural killer cells are essential members of the innate immune system and defects in number and/or function of these cells can lead to recurrent infections. Complement is another important part of the innate immune system. Complement deficiencies can lead to increased susceptibility to infections, autoimmunity, or impaired immune complex clearance. The innate immune system must work to quickly recognize and eliminate pathogens as well as coordinate an immune response and engage the adaptive immune system. Defects of the innate immune system can lead to failure to quickly identify pathogens and activate the immune response, resulting in susceptibility to severe or recurrent infections.
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Affiliation(s)
- Nicole Akar-Ghibril
- Division of Pediatric Immunology, Allergy, and Rheumatology, Joe DiMaggio Children's Hospital, 1311 N 35th Ave, Suite 220, 33021, Hollywood, FL, USA. .,Department of Pediatrics, Florida Atlantic University Charles E. Schmidt College of Medicine, Boca Raton, FL, USA.
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18
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Myllymäki H, Yu PP, Feng Y. Opportunities presented by zebrafish larval models to study neutrophil function in tissues. Int J Biochem Cell Biol 2022; 148:106234. [PMID: 35667555 DOI: 10.1016/j.biocel.2022.106234] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/18/2022] [Accepted: 05/30/2022] [Indexed: 10/18/2022]
Abstract
Appropriate neutrophil function is essential for innate immune defence and to avoid inflammatory pathology. Neutrophils can adapt their responses according to their environment and recently, the existence of multiple distinct neutrophil populations has been confirmed in both health and disease. However, the study of neutrophil functions in their tissue environment has remained challenging, and for instance, the relationship between neutrophil maturity and function is not fully understood. Many neutrophil morphological and functional features are highly conserved between mammals and non-mammalian vertebrates. This enables the use of the transparent and genetically tractable zebrafish larvae to study neutrophil biology. We review data on the development and function of zebrafish larval neutrophils and advances zebrafish have brought to studies of neutrophil biology. In addition, we discuss opportunities and aspects to be considered when using the larval zebrafish model to further enhance our understanding of neutrophil function in health and disease.
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Affiliation(s)
- Henna Myllymäki
- UoE Centre for Inflammation Research, Queen's Medical Research Institute, Institute for Regeneration and Repair, 47 Little France Crescent, Edinburgh BioQuarter, Edinburgh EH16 4TJ, United Kingdom
| | - Peiyi Pearl Yu
- UoE Centre for Inflammation Research, Queen's Medical Research Institute, Institute for Regeneration and Repair, 47 Little France Crescent, Edinburgh BioQuarter, Edinburgh EH16 4TJ, United Kingdom
| | - Yi Feng
- UoE Centre for Inflammation Research, Queen's Medical Research Institute, Institute for Regeneration and Repair, 47 Little France Crescent, Edinburgh BioQuarter, Edinburgh EH16 4TJ, United Kingdom.
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19
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Macrophage NOX2 NADPH oxidase maintains alveolar homeostasis in mice. Blood 2022; 139:2855-2870. [PMID: 35357446 PMCID: PMC9101249 DOI: 10.1182/blood.2021015365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/02/2022] [Indexed: 12/20/2022] Open
Abstract
The leukocyte NADPH oxidase 2 (NOX2) plays a key role in pathogen killing and immunoregulation. Genetic defects in NOX2 result in chronic granulomatous disease (CGD), associated with microbial infections and inflammatory disorders, often involving the lung. Alveolar macrophages (AMs) are the predominant immune cell in the airways at steady state, and limiting their activation is important, given the constant exposure to inhaled materials, yet the importance of NOX2 in this process is not well understood. In this study, we showed a previously undescribed role for NOX2 in maintaining lung homeostasis by suppressing AM activation, in CGD mice or mice with selective loss of NOX2 preferentially in macrophages. AMs lacking NOX2 had increased cytokine responses to Toll-like receptor-2 (TLR2) and TLR4 stimulation ex vivo. Moreover, between 4 and 12 week of age, mice with global NOX2 deletion developed an activated CD11bhigh subset of AMs with epigenetic and transcriptional profiles reflecting immune activation compared with WT AMs. The presence of CD11bhigh AMs in CGD mice correlated with an increased number of alveolar neutrophils and proinflammatory cytokines at steady state and increased lung inflammation after insults. Moreover, deletion of NOX2 preferentially in macrophages was sufficient for mice to develop an activated CD11bhigh AM subset and accompanying proinflammatory sequelae. In addition, we showed that the altered resident macrophage transcriptional profile in the absence of NOX2 is tissue specific, as those changes were not seen in resident peritoneal macrophages. Thus, these data demonstrate that the absence of NOX2 in alveolar macrophages leads to their proinflammatory remodeling and dysregulates alveolar homeostasis.
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20
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Wang G, Nauseef WM. Neutrophil dysfunction in the pathogenesis of cystic fibrosis. Blood 2022; 139:2622-2631. [PMID: 35213685 PMCID: PMC9053701 DOI: 10.1182/blood.2021014699] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/31/2022] [Indexed: 11/20/2022] Open
Abstract
Polymorphonuclear neutrophils (PMNs) figure prominently in host defense against infection and in noninfectious inflammation. Mobilized early in an inflammatory response, PMNs mediate immediate cellular defense against microbes and orchestrate events that culminate in cessation of inflammation and restoration of homeostasis. Failure to terminate the inflammatory response and its causes can fuel exuberant inflammation characteristic of many human diseases, including cystic fibrosis (CF), an autosomal recessive genetic disease caused by mutations in the CF transmembrane conductance regulator. CF affects multiple end organs, with persistent bacterial infection and chronic neutrophilic inflammation in airways predominating the clinical picture. To match the diverse microbial challenges that they may encounter, PMNs possess a variety of antimicrobial systems to slow or kill invading microorganisms confined in their phagosomes. Prominent among PMN defense systems is their ability to generate hypochlorous acid, a potent microbicide, by reacting oxidants generated by the NADPH oxidase with myeloperoxidase (MPO) released from azurophilic granules in the presence of chloride (Cl-). Products of the MPO-H2O2-Cl system oxidize susceptible biomolecules and support robust antimicrobial action against many, but not all, potential human pathogens. Underscoring that the MPO-H2O2-Cl system is integral to optimal host defense and proper regulation of inflammation, individuals with defects in any component of this system, as seen in chronic granulomatous disease or MPO deficiency, incur increased rates or severity of infection and signs of dysregulated inflammatory responses. We focus attention in this review on the molecular basis for and the clinical consequences of defects in the MPO-H2O2-Cl system because of the compromised Cl transport seen in CF. We will discuss first how the MPO-H2O2-Cl system in healthy PMNs participates in host defense and resolution of inflammation and then review how a defective MPO-H2O2-Cl system contributes to the increased susceptibility to infection and dysregulated inflammation associated with the clinical manifestations of CF.
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Affiliation(s)
- Guoshun Wang
- Department of Microbiology, Immunology, and Parasitology, and
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA
| | - William M Nauseef
- Inflammation Program, Department of Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA; and
- Veterans Administration Medical Center, Iowa City, IA
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21
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Impaired p47phox phosphorylation in neutrophils from patients with p67phox-deficient chronic granulomatous disease. Blood 2022; 139:2512-2522. [PMID: 35108370 DOI: 10.1182/blood.2021011134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 12/10/2021] [Indexed: 11/20/2022] Open
Abstract
Superoxide production by the phagocyte reduced NAD phosphate (NADPH) oxidase is essential for innate immunity as shown in chronic granulomatous disease (CGD), an immunodeficiency disease resulting from mutations in 1 of its genes. The NADPH oxidase is composed of 2 membrane proteins (gp91phox/NOX2 and p22phox) and 4 cytosolic proteins (p47phox, p67phox, p40phox, and Rac1/2). The phosphorylation of p47phox is required for NADPH oxidase activation in cells. As p47phox and p67phox can form a tight complex in cells, we hypothesized that p67phox could regulate p47phox phosphorylation. To investigate this hypothesis, we used phospho-specific antibodies against 5 major p47phox-phosphorylated sites (Ser304, Ser315, Ser320, Ser328, and Ser345) and neutrophils from healthy donors and from p67phox-/- CGD patients. Results showed that formyl-methionyl-leucyl-phenylalanine and phorbol myristate acetate induced a time- and a concentration-dependent phosphorylation of p47phox on Ser304, Ser315, Ser320, and Ser328 in healthy human neutrophils. Interestingly, in neutrophils and Epstein-Barr virus-transformed B lymphocytes from p67phox-/- CGD patients, phosphorylation of p47phox on serine residues was dramatically reduced. In COSphox cells, the presence of p67phox led to increased phosphorylation of p47phox. In vitro studies showed that recombinant p47phox was phosphorylated on Ser304, Ser315, Ser320, and Ser328 by different PKC isoforms and the addition of recombinant p67phox alone or in combination with p40phox potentiated this process. Thus, p67phox and p40phox are required for optimal p47phox phosphorylation on Ser304, Ser315, Ser320, and Ser328 in intact cells. Therefore, p67phox and p40phox are novel regulators of p47phox-phosphorylation.
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22
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Heightened turnover and failed maturation of monocyte-derived macrophages in murine chronic granulomatous disease. Blood 2022; 139:1707-1721. [PMID: 34699591 PMCID: PMC8931516 DOI: 10.1182/blood.2021011798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 10/06/2021] [Indexed: 11/20/2022] Open
Abstract
Loss of NADPH oxidase activity leads to altered phagocyte responses and exaggerated inflammation in chronic granulomatous disease (CGD). We sought to assess the effects of Nox2 absence on monocyte-derived macrophages (MoMacs) in gp91phox-/y mice during zymosan-induced peritonitis. MoMacs from CGD and wild-type (WT) peritonea were characterized over time after zymosan injection. Although numbers lavaged from both genotypes were virtually identical, there were marked differences in maturation: newly recruited WT MoMacs rapidly enlarged and matured, losing Ly6C and gaining MHCII, CD206, and CD36, whereas CGD MoMacs remained small and were mostly Ly6C+MHCII-. RNA-sequencing analyses showed few intrinsic differences between genotypes in newly recruited MoMacs but significant differences with time. WT MoMacs displayed changes in metabolism, adhesion, and reparative functions, whereas CGD MoMacs remained inflammatory. PKH dye labeling revealed that although WT MoMacs were mostly recruited within the first 24 hours and remained in the peritoneum while maturing and enlarging, CGD monocytes streamed into the peritoneum for days, with many migrating to the diaphragm where they were found in fibrin(ogen) clots surrounding clusters of neutrophils in nascent pyogranulomata. Importantly, these observations seemed to be driven by milieu: adoptive transfer of CGD MoMacs into inflamed peritonea of WT mice resulted in immunophenotypic maturation and normal behavior, whereas altered maturation/behavior of WT MoMacs resulted from transfer into inflamed peritonea of CGD mice. In addition, Nox2-deficient MoMacs behaved similarly to their Nox2-sufficient counterparts within the largely WT milieu of mixed bone marrow chimeras. These data show persistent recruitment with fundamental failure of MoMac maturation in CGD.
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23
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Environment tames CGD macrophages. Blood 2022; 139:1611-1612. [PMID: 35298607 DOI: 10.1182/blood.2021014417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 10/29/2021] [Indexed: 11/20/2022] Open
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24
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Tanaka M, Taniguchi K, Miki S, Iwanari S, Ikeda M, Hasui M, Takeoka H. Rapidly progressive IgA vasculitis-associated nephritis successfully treated with immunosuppressive therapy in an adolescent with chronic granulomatous disease. CEN Case Rep 2021; 10:461-467. [PMID: 33683583 PMCID: PMC8494880 DOI: 10.1007/s13730-021-00586-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/12/2021] [Indexed: 10/22/2022] Open
Abstract
Chronic granulomatous disease (CGD) is a rare immunodeficiency disorder with genetic defects in the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase complex in phagocytes, leading to recurrent severe infections and granuloma formation. Genitourinary involvement, including obstructive granulomas, infections, nephrotoxicity of anti-infective agents, and amyloidosis, is frequently observed in patients with CGD, whereas the clinical and pathological details of the less commonly reported glomerular disease remain obscure. Here, we report the case of a patient with CGD who developed rapidly progressive IgA vasculitis-associated nephritis (IgAVN) and review the literature on biopsy-proven glomerular diseases in patients with CGD. A 22-year-old male patient with CGD developed rapidly progressive glomerulonephritis (RPGN) following peripheral purpura and was diagnosed with crescentic IgAVN based on the renal biopsy evaluation. There was no evidence of active infections, and he received pulse intravenous methylprednisolone followed by oral prednisolone. His renal function returned to normal within 4 weeks, and his proteinuria and microhematuria finally resolved. The present case and literature review indicate that IgAVN and IgA nephropathy with RPGN are the most common causes of glomerular disease in patients with CGD. Clinicians should be aware of the possibility of these diseases as causes of RPGN in CGD, because delays in diagnosis and appropriate treatment may affect renal outcomes.
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Affiliation(s)
- Mari Tanaka
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan.
| | - Keisuke Taniguchi
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan
| | - Sho Miki
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan
| | - Sachio Iwanari
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan
| | - Masaki Ikeda
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan
| | | | - Hiroya Takeoka
- Department of Nephrology and Dialysis, Hyogo Prefectural Amagasaki General Medical Center, 2-17-77 Higashinaniwa-cho, Amagasaki, Hyogo, 660-8550, Japan
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25
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Liao YC, Wu SY, Huang YF, Lo PC, Chan TY, Chen CA, Wu CH, Hsu CC, Yen CL, Chen PC, Shieh CC. NOX2-Deficient Neutrophils Facilitate Joint Inflammation Through Higher Pro-Inflammatory and Weakened Immune Checkpoint Activities. Front Immunol 2021; 12:743030. [PMID: 34557202 PMCID: PMC8452958 DOI: 10.3389/fimmu.2021.743030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 08/23/2021] [Indexed: 12/29/2022] Open
Abstract
Immune-mediated arthritis is an important chronic inflammatory disease of joints causing debilitating morbidity in affected patients. The mechanisms underlying immune-mediated arthritis have been intensively investigated, however the cellular and molecular factors contributing to the joint inflammation in different redox conditions have not been clearly elucidated. Previous research showed that phagocyte-produced reactive oxygen species (ROS) plays an anti-inflammatory role in K/BxN serum-transfer arthritis and NOX2-deficient mice tend to have more severe arthritis. Although many leukocytes play critical roles in the development of immune-mediated arthritis, the role of neutrophils, which are the main producers of ROS in inflammation, is still controversial. We hence assessed the immunomodulatory function of neutrophils from arthritic joints of NOX2-deficient and wild type mice in this study. We found more neutrophils accumulation in NOX2-deficient inflamed joints. RNA-sequencing and quantitative PCR revealed significantly increased expression of acute inflammation genes including IL1b, Cxcl2, Cxcl3, Cxcl10 and Mmp3 in activated neutrophils from the inflamed joints of NOX2-deficient mice. Moreover, gene set enrichment analysis (GSEA) showed enriched gene signatures in type I and II IFN responses, IL-6-JAK-STAT3 signaling pathway and TNF-α signaling pathway via NF-κB in NOX2-deficient neutrophils. In addition, we found that NOX2-deficient neutrophils expressed lower levels of PD-L1 and were less suppressive than WT neutrophils. Moreover, treatment of PD-L1-Fc decreased cytokine expression and ameliorated the severity of inflammatory arthritis. Our results suggest that NOX2-derived ROS is critical for regulating the function and gene expression in arthritic neutrophils. Both the strong pro-inflammatory and weakened anti-inflammatory functions of neutrophils due to abnormal redox regulation may be targets of treatment for immune-mediated arthritis.
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Affiliation(s)
- Yi-Chu Liao
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Szu-Yu Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ya-Fang Huang
- National Laboratory Animal Center, National Applied Research Laboratories, Tainan, Taiwan
| | - Pei-Chi Lo
- Laboratory of Innate Immune Systems, Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Tzu-Yi Chan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-An Chen
- Department of Pediatrics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Chun-Hsin Wu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Che-Chia Hsu
- Department of Orthopedic Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Liang Yen
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Peng-Chieh Chen
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chi-Chang Shieh
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Pediatrics, National Cheng Kung University Hospital, Tainan, Taiwan
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26
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Yoo DG, Paracatu LC, Xu E, Lin X, Dinauer MC. NADPH Oxidase Limits Collaborative Pattern-Recognition Receptor Signaling to Regulate Neutrophil Cytokine Production in Response to Fungal Pathogen-Associated Molecular Patterns. THE JOURNAL OF IMMUNOLOGY 2021; 207:923-937. [PMID: 34301842 DOI: 10.4049/jimmunol.2001298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 05/26/2021] [Indexed: 01/28/2023]
Abstract
Chronic granulomatous disease (CGD) is a primary immunodeficiency caused by genetic defects in leukocyte NADPH oxidase, which has both microbicidal and immunomodulatory roles. Hence, CGD is characterized by recurrent bacterial and fungal infections as well as aberrant inflammation. Fungal cell walls induce neutrophilic inflammation in CGD; yet, underlying mechanisms are incompletely understood. This study investigated the receptors and signaling pathways driving aberrant proinflammatory cytokine production in CGD neutrophils activated by fungal cell walls. Although cytokine responses to β-glucan particles were similar in NADPH oxidase-competent and NADPH oxidase-deficient mouse and human neutrophils, stimulation with zymosan, a more complex fungal particle, induced elevated cytokine production in NADPH oxidase-deficient neutrophils. The dectin-1 C-type lectin receptor, which recognizes β-glucans (1-3), and TLRs mediated cytokine responses by wild-type murine neutrophils. In the absence of NADPH oxidase, fungal pathogen-associated molecular patterns engaged additional collaborative signaling with Mac-1 and TLRs to markedly increase cytokine production. Mechanistically, this cytokine overproduction is mediated by enhanced proximal activation of tyrosine phosphatase SHP2-Syk and downstream Card9-dependent NF-κB and Card9-independent JNK-c-Jun. This activation and amplified cytokine production were significantly decreased by exogenous H2O2 treatment, enzymatic generation of exogenous H2O2, or Mac-1 blockade. Similar to zymosan, Aspergillus fumigatus conidia induced increased signaling in CGD mouse neutrophils for activation of proinflammatory cytokine production, which also used Mac-1 and was Card9 dependent. This study, to our knowledge, provides new insights into how NADPH oxidase deficiency deregulates neutrophil cytokine production in response to fungal cell walls.
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Affiliation(s)
- Dae-Goon Yoo
- Department of Pediatrics, School of Medicine, Washington University in St. Louis, St. Louis, MO
| | - Luana C Paracatu
- Department of Pediatrics, School of Medicine, Washington University in St. Louis, St. Louis, MO
| | - Evan Xu
- Department of Pediatrics, School of Medicine, Washington University in St. Louis, St. Louis, MO
| | - Xin Lin
- Institute for Immunology, Tsinghua University School of Medicine, Tsinghua University-Peking University Joint Center for Life Sciences, Beijing, China; and
| | - Mary C Dinauer
- Department of Pediatrics, School of Medicine, Washington University in St. Louis, St. Louis, MO; .,Department of Pathology and Immunology, School of Medicine, Washington University in St. Louis, St. Louis, MO
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27
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Dumas A, Knaus UG. Raising the 'Good' Oxidants for Immune Protection. Front Immunol 2021; 12:698042. [PMID: 34149739 PMCID: PMC8213335 DOI: 10.3389/fimmu.2021.698042] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 05/18/2021] [Indexed: 12/12/2022] Open
Abstract
Redox medicine is a new therapeutic concept targeting reactive oxygen species (ROS) and secondary reaction products for health benefit. The concomitant function of ROS as intracellular second messengers and extracellular mediators governing physiological redox signaling, and as damaging radicals instigating or perpetuating various pathophysiological conditions will require selective strategies for therapeutic intervention. In addition, the reactivity and quantity of the oxidant species generated, its source and cellular location in a defined disease context need to be considered to achieve the desired outcome. In inflammatory diseases associated with oxidative damage and tissue injury, ROS source specific inhibitors may provide more benefit than generalized removal of ROS. Contemporary approaches in immunity will also include the preservation or even elevation of certain oxygen metabolites to restore or improve ROS driven physiological functions including more effective redox signaling and cell-microenvironment communication, and to induce mucosal barrier integrity, eubiosis and repair processes. Increasing oxidants by host-directed immunomodulation or by exogenous supplementation seems especially promising for improving host defense. Here, we summarize examples of beneficial ROS in immune homeostasis, infection, and acute inflammatory disease, and address emerging therapeutic strategies for ROS augmentation to induce and strengthen protective host immunity.
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Affiliation(s)
- Alexia Dumas
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
| | - Ulla G Knaus
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
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28
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Lebratti T, Lim YS, Cofie A, Andhey P, Jiang X, Scott J, Fabbrizi MR, Ozantürk AN, Pham C, Clemens R, Artyomov M, Dinauer M, Shin H. A sustained type I IFN-neutrophil-IL-18 axis drives pathology during mucosal viral infection. eLife 2021; 10:e65762. [PMID: 34047696 PMCID: PMC8163503 DOI: 10.7554/elife.65762] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 04/21/2021] [Indexed: 12/14/2022] Open
Abstract
Neutrophil responses against pathogens must be balanced between protection and immunopathology. Factors that determine these outcomes are not well-understood. In a mouse model of genital herpes simplex virus-2 (HSV-2) infection, which results in severe genital inflammation, antibody-mediated neutrophil depletion reduced disease. Comparative single-cell RNA-sequencing analysis of vaginal cells against a model of genital HSV-1 infection, which results in mild inflammation, demonstrated sustained expression of interferon-stimulated genes (ISGs) only after HSV-2 infection primarily within the neutrophil population. Both therapeutic blockade of IFNα/β receptor 1 (IFNAR1) and genetic deletion of IFNAR1 in neutrophils concomitantly decreased HSV-2 genital disease severity and vaginal IL-18 levels. Therapeutic neutralization of IL-18 also diminished genital inflammation, indicating an important role for this cytokine in promoting neutrophil-dependent immunopathology. Our study reveals that sustained type I interferon (IFN) signaling is a driver of pathogenic neutrophil responses and identifies IL-18 as a novel component of disease during genital HSV-2 infection.
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MESH Headings
- Animals
- Antibodies/pharmacology
- Chlorocebus aethiops
- Disease Models, Animal
- Female
- Herpes Genitalis/immunology
- Herpes Genitalis/metabolism
- Herpes Genitalis/prevention & control
- Herpes Genitalis/virology
- Herpesvirus 1, Human/immunology
- Herpesvirus 1, Human/pathogenicity
- Herpesvirus 2, Human/immunology
- Herpesvirus 2, Human/pathogenicity
- Host-Pathogen Interactions
- Immunity, Mucosal/drug effects
- Interferon Type I/metabolism
- Interleukin-18/metabolism
- Mice, Inbred C57BL
- Mice, Transgenic
- Mucous Membrane/drug effects
- Mucous Membrane/innervation
- Mucous Membrane/metabolism
- Mucous Membrane/virology
- Neutrophil Activation/drug effects
- Neutrophils/drug effects
- Neutrophils/immunology
- Neutrophils/metabolism
- Neutrophils/virology
- Receptor, Interferon alpha-beta/antagonists & inhibitors
- Receptor, Interferon alpha-beta/metabolism
- Signal Transduction
- Vagina/drug effects
- Vagina/immunology
- Vagina/metabolism
- Vagina/virology
- Vero Cells
- Mice
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Affiliation(s)
- Tania Lebratti
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Ying Shiang Lim
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Adjoa Cofie
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Prabhakar Andhey
- Department of Pathology and Immunology, Washington University School of MedicineSt LouisUnited States
| | - Xiaoping Jiang
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Jason Scott
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Maria Rita Fabbrizi
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Ayşe Naz Ozantürk
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
| | - Christine Pham
- Department of Medicine/Division of Rheumatology, Washington University School of MedicineSt LouisUnited States
| | - Regina Clemens
- Department of Pediatrics/Division of Critical Care Medicine, Washington University School of MedicineSt LouisUnited States
| | - Maxim Artyomov
- Department of Pathology and Immunology, Washington University School of MedicineSt LouisUnited States
| | - Mary Dinauer
- Department of Pediatrics/Hematology and Oncology, Washington University School of MedicineSt LouisUnited States
| | - Haina Shin
- Department of Medicine/Division of Infectious Diseases, Washington University School of MedicineSt LouisUnited States
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29
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Bakri FG, Mollin M, Beaumel S, Vigne B, Roux-Buisson N, Al-Wahadneh AM, Alzyoud RM, Hayajneh WA, Daoud AK, Shukair MEA, Karadshe MF, Sarhan MM, Al-Ramahi JAW, Fauré J, Rendu J, Stasia MJ. Second Report of Chronic Granulomatous Disease in Jordan: Clinical and Genetic Description of 31 Patients From 21 Different Families, Including Families From Lybia and Iraq. Front Immunol 2021; 12:639226. [PMID: 33746979 PMCID: PMC7973097 DOI: 10.3389/fimmu.2021.639226] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/08/2021] [Indexed: 11/13/2022] Open
Abstract
Chronic granulomatous Disease (CGD) is a rare innate immunodeficiency disorder caused by mutations in one of the six genes (CYBA, CYBB, NCF1, NCF2, NCF4, and CYBC1/EROS) encoding the superoxide-producing nicotinamide adenine dinucleotide phosphate (NADPH)—oxidase complex in phagocytes. In the Western population, the most prevalent form of CGD (about two-thirds of all cases) is the X-linked form (X-CGD) caused by mutations in CYBB. The autosomal recessive forms (AR-CGD), due to mutations in the other genes, collectively account for the remaining one-third of CGD cases. We investigated the clinical and molecular features of 22 Jordanian, 7 Libyan, and 2 Iraqi CGD patients from 21 different families. In addition, 11 sibling patients from these families were suspected to have been died from CGD as suggested by their familial and clinical history. All patients except 9 were children of consanguineous parents. Most of the patients suffered from AR-CGD, with mutations in CYBA, NCF1, and NCF2, encoding p22phox, p47phox, and p67phox proteins, respectively. AR-CGD was the most frequent form, in Jordan probably because consanguineous marriages are common in this country. Only one patient from non-consanguineous parents suffered from an X910 CGD subtype (0 indicates no protein expression). AR670 CGD and AR220 CGD appeared to be the most frequently found sub-types but also the most severe clinical forms compared to AR470 CGD. As a geographical clustering of 11 patients from eight Jordanian families exhibited the c.1171_1175delAAGCT mutation in NCF2, segregation analysis with nine polymorphic markers overlapping NCF2 indicates that a common ancestor has arisen ~1,075 years ago.
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Affiliation(s)
- Faris Ghalib Bakri
- Division of Infectious Diseases, Department of Medicine, Jordan University Hospital, Amman, Jordan.,Infectious Diseases and Vaccine Center, University of Jordan, Amman, Jordan
| | - Michelle Mollin
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Chronic Granulomatous Disease Diagnosis and Research Centre (CDiReC), Grenoble, France
| | - Sylvain Beaumel
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Chronic Granulomatous Disease Diagnosis and Research Centre (CDiReC), Grenoble, France
| | - Bénédicte Vigne
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Chronic Granulomatous Disease Diagnosis and Research Centre (CDiReC), Grenoble, France
| | - Nathalie Roux-Buisson
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Laboratoire de Biochimie et Génétique Moléculaire, La Tronche, France.,Université Grenoble Alpes, Inserm U1216, Grenoble Institut Neurosciences, Grenoble, France
| | | | - Raed Mohammed Alzyoud
- Division of Immunology, Department of Pediatrics, Queen Rani Children's Hospital, Amman, Jordan
| | - Wail Ahmad Hayajneh
- Division of Infectious Diseases, Department of Pediatrics, Jordan University of Science & Technology, Irbid, Jordan
| | - Ammar Khaled Daoud
- Division of Immunology, Jordan University of Science & Technology, Irbid, Jordan
| | | | | | | | | | - Julien Fauré
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Laboratoire de Biochimie et Génétique Moléculaire, La Tronche, France.,Université Grenoble Alpes, Inserm U1216, Grenoble Institut Neurosciences, Grenoble, France
| | - John Rendu
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Laboratoire de Biochimie et Génétique Moléculaire, La Tronche, France.,Université Grenoble Alpes, Inserm U1216, Grenoble Institut Neurosciences, Grenoble, France
| | - Marie Jose Stasia
- Centre Hospitalier Universitaire Grenoble Alpes, Pôle de Biologie, Chronic Granulomatous Disease Diagnosis and Research Centre (CDiReC), Grenoble, France.,Université Grenoble Alpes, Commissariat à l'Energie Atomique (CEA), Centre National de la Recherche Scientifique (CNRS), Institut de Biologie Structurale (IBS), Grenoble, France
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30
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Abstract
A number of diseases and conditions have been associated with prolonged or persistent exposure to non-physiological levels of reactive oxygen species (ROS). Similarly, ROS underproduction due to loss-of-function mutations in superoxide or hydrogen peroxide (H2O2)-generating enzymes is a risk factor or causative for certain diseases. However, ROS are required for basic cell functions; in particular the diffusible second messenger H2O2 that serves as signaling molecule in redox processes. This activity sets H2O2 apart from highly reactive oxygen radicals and influences the approach to drug discovery, clinical utility, and therapeutic intervention. Here we review the chemical and biological fundamentals of ROS with emphasis on H2O2 as a signaling conduit and initiator of redox relays and propose an integrated view of physiological versus non-physiological reactive species. Therapeutic interventions that target persistently altered ROS levels should include both selective inhibition of a specific source of primary ROS and careful consideration of a targeted pro-oxidant approach, an avenue that is still underdeveloped. Both strategies require attention to redox dynamics in complex cellular systems, integration of the overall spatiotemporal cellular environment, and target validation to yield effective and safe therapeutics. The only professional primary ROS producers are NADPH oxidases (NOX1-5, DUOX1-2). Many other enzymes, e.g., xanthine oxidase (XO), monoamine oxidases (MAO), lysyl oxidases (LO), lipoxygenase (LOX), and cyclooxygenase (COX), produce superoxide and H2O2 secondary to their primary metabolic function. Superoxide is too reactive to disseminate, but H2O2 is diffusible, only limited by adjacent PRDXs or GPXs, and can be apically secreted and imported into cells through aquaporin (AQP) channels. H2O2 redox signaling includes oxidation of the active site thiol in protein tyrosine phosphatases, which will inhibit their activity and thereby increase tyrosine phosphorylation on target proteins. Essential functions include the oxidative burst by NOX2 as antimicrobial innate immune response; gastrointestinal NOX1 and DUOX2 generating low H2O2 concentrations sufficient to trigger antivirulence mechanisms; and thyroidal DUOX2 essential for providing H2O2 reduced by TPO to oxidize iodide to an iodinating form which is then attached to tyrosyls in TG. Loss-of-function (LoF) variants in TPO or DUOX2 cause congenital hypothyroidism and LoF variants in the NOX2 complex chronic granulomatous disease.
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31
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Miralda I, Uriarte SM. Periodontal Pathogens' strategies disarm neutrophils to promote dysregulated inflammation. Mol Oral Microbiol 2020; 36:103-120. [PMID: 33128827 PMCID: PMC8048607 DOI: 10.1111/omi.12321] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/16/2020] [Accepted: 10/28/2020] [Indexed: 12/26/2022]
Abstract
Periodontitis is an irreversible, chronic inflammatory disease where inflammophilic pathogenic microbial communities accumulate in the gingival crevice. Neutrophils are a major component of the innate host response against bacterial challenge, and under homeostatic conditions, their microbicidal functions typically protect the host against periodontitis. However, a number of periodontal pathogens developed survival strategies to evade neutrophil microbicidal functions while promoting inflammation, which provides a source of nutrients for bacterial growth. Research on periodontal pathogens has largely focused on a few established species: Tannerella forsythia, Treponema denticola, Fusobacterium nucleatum, Aggregatibacter actinomycetemcomitans, and Porphyromonas gingivalis. However, advances in culture-independent techniques have facilitated the identification of new bacterial species in periodontal lesions, such as the two Gram-positive anaerobes, Filifactor alocis and Peptoanaerobacter stomatis, whose characterization of pathogenic potential has not been fully described. Additionally, there is not a full understanding of the pathogenic mechanisms used against neutrophils by organisms that are abundant in periodontal lesions. This presents a substantial barrier to the development of new approaches to prevent or ameliorate the disease. In this review, we first summarize the neutrophil functions affected by the established periodontal pathogens listed above, denoting unknown areas that still merit a closer look. Then, we review the literature on neutrophil functions and the emerging periodontal pathogens, F. alocis and P. stomatis, comparing the effects of the emerging microbes to that of established pathogens, and speculate on the contribution of these putative pathogens to the progression of periodontal disease.
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Affiliation(s)
- Irina Miralda
- Department of Oral Immunology and Infectious Diseases, School of Dentistry, University of Louisville, Louisville, KY, USA
| | - Silvia M Uriarte
- Department of Oral Immunology and Infectious Diseases, School of Dentistry, University of Louisville, Louisville, KY, USA
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32
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Fischer A, Hacein-Bey-Abina S. Gene therapy for severe combined immunodeficiencies and beyond. J Exp Med 2020; 217:132743. [PMID: 31826240 PMCID: PMC7041706 DOI: 10.1084/jem.20190607] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/10/2019] [Accepted: 11/06/2019] [Indexed: 12/26/2022] Open
Abstract
This review describes how gene therapy of severe combined immunodeficiency became a reality, primarily based on the expected selective advantage conferred by transduction of hematopoietic progenitor cells. Thus, it resulted in a progressive extension to the treatment of other primary immunodeficiencies. Ex vivo retrovirally mediated gene therapy has been shown within the last 20 yr to correct the T cell immunodeficiency caused by γc-deficiency (SCID X1) and adenosine deaminase (ADA) deficiency. The rationale was brought up by the observation of the revertant of SCIDX1 and ADA deficiency as a kind of natural gene therapy. Nevertheless, the first attempts of gene therapy for SCID X1 were associated with insertional mutagenesis causing leukemia, because the viral enhancer induced transactivation of oncogenes. Removal of this element and use of a promoter instead led to safer but still efficacious gene therapy. It was observed that a fully diversified T cell repertoire could be generated by a limited set (<1,000) of progenitor cells. Further advances in gene transfer technology, including the use of lentiviral vectors, has led to success in the treatment of Wiskott–Aldrich syndrome, while further applications are pending. Genome editing of the mutated gene may be envisaged as an alternative strategy to treat SCID diseases.
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Affiliation(s)
- Alain Fischer
- Imagine Institute, Paris, France.,Immunology and Pediatric Hematology Department, Assistance Publique-Hôpitaux de Paris, Paris, France.,Institut National de la Santé et de la Recherche Médicale UMR 1163, Paris, France.,Collège de France, Paris, France
| | - Salima Hacein-Bey-Abina
- Unité de Technologies Chimiques et Biologiques pour la Santé, UMR8258 Centre National de la Recherche Scientifique - U1267 Institut National de la Santé et de la Recherche Médicale, Faculté de Pharmacie de Paris, Université Paris Descartes, Paris, France.,Clinical Immunology Laboratory, Groupe Hospitalier Universitaire Paris-Sud, Hôpital Kremlin-Bicêtre, Assistance Publique-Hôpitaux de Paris, Le Kremlin Bicêtre, France
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33
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Prince BT, Thielen BK, Williams KW, Kellner ES, Arnold DE, Cosme-Blanco W, Redmond MT, Hartog NL, Chong HJ, Holland SM. Geographic Variability and Pathogen-Specific Considerations in the Diagnosis and Management of Chronic Granulomatous Disease. Pediatric Health Med Ther 2020; 11:257-268. [PMID: 32801991 PMCID: PMC7383027 DOI: 10.2147/phmt.s254253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/26/2020] [Indexed: 12/18/2022] Open
Abstract
Chronic granulomatous disease (CGD) is a rare but serious primary immunodeficiency with varying prevalence and rates of X-linked and autosomal recessive disease worldwide. Functional defects in the phagocyte nicotinamide adenine dinucleotide phosphate oxidase complex predispose patients to a relatively narrow spectrum of bacterial and fungal infections that are sometimes fastidious and often difficult to identify. When evaluating and treating patients with CGD, it is important to consider their native country of birth, climate, and living situation, which may predispose them to types of infections that are atypical to your routine practice. In addition to recurrent and often severe infections, patients with CGD and X-linked female carriers are also susceptible to developing many non-infectious complications including tissue granuloma formation and autoimmunity. The DHR-123 oxidation assay is the gold standard for making the diagnosis and it along with genetic testing can help predict the severity and prognosis in patients with CGD. Disease management focuses on prophylaxis with antibacterial, antifungal, and immunomodulatory medications, prompt identification and treatment of acute infections, and prevention of secondary granulomatous complications. While hematopoietic stem-cell transplantation is the only widely available curative treatment for patients with CGD, recent advances in gene therapy may provide a safer, more direct alternative.
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Affiliation(s)
- Benjamin T Prince
- Division of Allergy and Immunology, Nationwide Children’s Hospital, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Beth K Thielen
- Division of Pediatric Infectious Diseases and Immunology, University of Minnesota, Minneapolis, MN, USA
| | - Kelli W Williams
- Department of Pediatrics, Division of Pediatric Pulmonology, Allergy & Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - Erinn S Kellner
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Danielle E Arnold
- Division of Allergy and Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
| | - Wilfredo Cosme-Blanco
- Department of Allergy and Immunology, Veteran Affairs Caribbean Healthcare System, San Juan, Puerto Rico
| | - Margaret T Redmond
- Division of Allergy and Immunology, Nationwide Children’s Hospital, The Ohio State University College of Medicine, Columbus, OH, USA
| | - Nicholas L Hartog
- Department of Allergy and Immunology, Spectrum Health Helen DeVos Children’s Hospital, Michigan State University College of Human Medicine, Grand Rapids, MI, USA
| | - Hey J Chong
- Division of Allergy and Immunology, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Steven M Holland
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland National Institutes of Health, Bethesda, MD, USA
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34
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Cooper KN, Bagaitkar J. Altruistic death: Neutrophil apoptosis maintains gingival health. J Leukoc Biol 2020; 108:1497-1499. [PMID: 32531810 DOI: 10.1002/jlb.5ce0520-122r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/14/2020] [Accepted: 05/21/2020] [Indexed: 11/11/2022] Open
Abstract
Discussion on targeting LXR and PPAR agonists as therapeutic alternatives to ustekinumab therapy in LAD-1.
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Affiliation(s)
- Kelley N Cooper
- Department of Microbiology and Immunology, University of Louisville, Louisville, Kentucky, USA
| | - Juhi Bagaitkar
- Department of Oral Immunology and Infectious Disease, University of Louisville, Louisville, Kentucky, USA
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35
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Pleskova SN, Kriukov RN, Bobyk SZ, Boryakov AV, Brilkina AA. Investigation of Adhesive Intercellular Contacts of Neutrophils and Lymphocytes by Atomic Force Microscopy. Biophysics (Nagoya-shi) 2020. [DOI: 10.1134/s0006350920010170] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Song Z, Huang G, Chiquetto Paracatu L, Grimes D, Gu J, Luke CJ, Clemens RA, Dinauer MC. NADPH oxidase controls pulmonary neutrophil infiltration in the response to fungal cell walls by limiting LTB4. Blood 2020; 135:891-903. [PMID: 31951647 PMCID: PMC7082617 DOI: 10.1182/blood.2019003525] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/09/2020] [Indexed: 12/21/2022] Open
Abstract
Leukocyte reduced NADP (NADPH) oxidase plays a key role in host defense and immune regulation. Genetic defects in NADPH oxidase result in chronic granulomatous disease (CGD), characterized by recurrent bacterial and fungal infections and aberrant inflammation. Key drivers of hyperinflammation induced by fungal cell walls in CGD are still incompletely defined. In this study, we found that CGD (CYBB-) neutrophils produced higher amounts of leukotriene B4 (LTB4) in vitro after activation with zymosan or immune complexes, compared with wild-type (WT) neutrophils. This finding correlated with increased calcium influx in CGD neutrophils, which was restrained in WT neutrophils by the electrogenic activity of NADPH oxidase. Increased LTB4 generation by CGD neutrophils was also augmented by paracrine cross talk with the LTB4 receptor BLT1. CGD neutrophils formed more numerous and larger clusters in the presence of zymosan in vitro compared with WT cells, and the effect was also LTB4- and BLT1-dependent. In zymosan-induced lung inflammation, focal neutrophil infiltrates were increased in CGD compared with WT mice and associated with higher LTB4 levels. Inhibiting LTB4 synthesis or antagonizing the BLT1 receptor after zymosan challenge reduced lung neutrophil recruitment in CGD to WT levels. Thus, LTB4 was the major driver of excessive neutrophilic lung inflammation in CGD mice in the early response to fungal cell walls, likely by a dysregulated feed-forward loop involving amplified neutrophil production of LTB4. This study identifies neutrophil LTB4 generation as a target of NADPH oxidase regulation, which could potentially be exploited therapeutically to reduce excessive inflammation in CGD.
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Affiliation(s)
| | | | | | | | | | | | | | - Mary C Dinauer
- Department of Pediatrics
- Department of Pathology and Immunology, Washington University School of Medicine in St Louis, St Louis, MO
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Blancas-Galicia L, Santos-Chávez E, Deswarte C, Mignac Q, Medina-Vera I, León-Lara X, Roynard M, Scheffler-Mendoza SC, Rioja-Valencia R, Alvirde-Ayala A, Lugo Reyes SO, Staines-Boone T, García-Campos J, Saucedo-Ramírez OJ, Del-Río_Navarro BE, Zamora-Chávez A, López-Larios A, García-Pavón-Osorio S, Melgoza-Arcos E, Canseco-Raymundo MR, Mogica-Martínez D, Venancio-Hernández M, Pacheco-Rosas D, Pedraza-Sánchez S, Guevara-Cruz M, Saracho-Weber F, Gámez-González B, Wakida-Kuzunoki G, Morán-Mendoza AR, Macías-Robles AP, Ramírez-Rivera R, Vargas-Camaño E, Zarate-Hernández C, Gómez-Tello H, Ramírez-Sánchez E, Ruíz-Hernández F, Ramos-López D, Acuña-Martínez H, García-Cruz ML, Román-Jiménez MG, González-Villarreal MG, Álvarez-Cardona A, Llamas-Guillén BA, Cuellar-Rodríguez J, Olaya-Vargas A, Ramírez-Uribe N, Boisson-Dupuis S, Casanova JL, Espinosa-Rosales FJ, Serafín-López J, Yamazaki-Nakashimada M, Espinosa-Padilla S, Bustamante J. Genetic, Immunological, and Clinical Features of the First Mexican Cohort of Patients with Chronic Granulomatous Disease. J Clin Immunol 2020; 40:475-493. [DOI: 10.1007/s10875-020-00750-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 01/15/2020] [Indexed: 12/21/2022]
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Abstract
Primary disorders of neutrophil function result from impairment in neutrophil responses that are critical for host defense. This chapter summarizes inherited disorders of neutrophils that cause defects in neutrophil adhesion, migration, and oxidative killing. These include the leukocyte adhesion deficiencies, actin defects and other disorders of chemotaxis, hyperimmunoglobulin E syndrome, Chédiak-Higashi Syndrome, neutrophil specific granule deficiency, chronic granulomatous disease, and myeloperoxidase deficiency. Diagnostic tests and treatment approaches are also summarized for each neutrophil disorder.
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Colitis susceptibility in mice with reactive oxygen species deficiency is mediated by mucus barrier and immune defense defects. Mucosal Immunol 2019; 12:1316-1326. [PMID: 31554901 DOI: 10.1038/s41385-019-0205-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/13/2019] [Accepted: 09/06/2019] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS) generated by NADPH oxidases (NOX/DUOX) provide antimicrobial defense, redox signaling, and gut barrier maintenance. Inactivating NOX variants are associated with comorbid intestinal inflammation in chronic granulomatous disease (CGD; NOX2) and pediatric inflammatory bowel disease (IBD; NOX1); however Nox-deficient mice do not reflect human disease susceptibility. Here we assessed if a hypomorphic patient-relevant CGD mutation will increase the risk for intestinal inflammation in mice. Cyba (p22phox) mutant mice generated low intestinal ROS, while maintaining Nox4 function. The Cyba variant caused profound mucus layer disruption with bacterial penetration into crypts, dysbiosis, and a compromised innate immune response to invading microbes, leading to mortality. Approaches used in treatment-resistant CGD or pediatric IBD such as bone marrow transplantation or oral antibiotic treatment ameliorated or prevented disease in mice. The Cyba mutant mouse phenotype implicates loss of both mucus barrier and efficient innate immune defense in the pathogenesis of intestinal inflammation due to ROS deficiency, supporting a combined-hit model where a single disease variant compromises different cellular functions in interdependent compartments.
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Egholm C, Heeb LEM, Impellizzieri D, Boyman O. The Regulatory Effects of Interleukin-4 Receptor Signaling on Neutrophils in Type 2 Immune Responses. Front Immunol 2019; 10:2507. [PMID: 31708926 PMCID: PMC6821784 DOI: 10.3389/fimmu.2019.02507] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/07/2019] [Indexed: 12/13/2022] Open
Abstract
Interleukin-4 (IL-4) receptor (IL-4R) signaling plays a pivotal role in type 2 immune responses. Type 2 immunity ensures several host-protective processes such as defense against helminth parasites and wound repair, however, type 2 immune responses also drive the pathogenesis of allergic diseases. Neutrophil granulocytes (neutrophils) have not traditionally been considered a part of type 2 immunity. While neutrophils might be beneficial in initiating a type 2 immune response, their involvement and activation is rather unwanted at later stages. This is evidenced by examples of type 2 immune responses where increased neutrophil responses are able to enhance immunity, however, at the cost of increased tissue damage. Recent studies have linked the type 2 cytokines IL-4 and IL-13 and their signaling via type I and type II IL-4Rs on neutrophils to inhibition of several neutrophil effector functions. This mechanism directly curtails neutrophil chemotaxis toward potent intermediary chemoattractants, inhibits the formation of neutrophil extracellular traps, and antagonizes the effects of granulocyte colony-stimulating factor on neutrophils. These effects are observed in both mouse and human neutrophils. Thus, we propose for type 2 immune responses that neutrophils are, as in other immune responses, the first non-resident cells to arrive at a site of inflammation or infection, thereby guiding and attracting other innate and adaptive immune cells; however, as soon as the type 2 cytokines IL-4 and IL-13 predominate, neutrophil recruitment, chemotaxis, and effector functions are rapidly shut off by IL-4/IL-13-mediated IL-4R signaling in neutrophils to prevent them from damaging healthy tissues. Insight into this neutrophil checkpoint pathway will help understand regulation of neutrophilic type 2 inflammation and guide the design of targeted therapeutic approaches for modulating neutrophils during inflammation and neutropenia.
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Affiliation(s)
- Cecilie Egholm
- Department of Immunology, University Hospital Zurich, Zurich, Switzerland
| | - Lukas E M Heeb
- Department of Immunology, University Hospital Zurich, Zurich, Switzerland
| | | | - Onur Boyman
- Department of Immunology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland
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