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Zamora ME, Essien EO, Bhamidipati K, Murthy A, Liu J, Kim H, Patel MN, Nong J, Wang Z, Espy C, Chaudhry FN, Ferguson LT, Tiwari S, Hood ED, Marcos-Contreras OA, Omo-Lamai S, Shuvaeva T, Arguiri E, Wu J, Rauova L, Poncz M, Basil MC, Cantu E, Planer JD, Spiller K, Zepp J, Muzykantov VR, Myerson JW, Brenner JS. Marginated Neutrophils in the Lungs Effectively Compete for Nanoparticles Targeted to the Endothelium, Serving as a Part of the Reticuloendothelial System. ACS NANO 2024. [PMID: 39105696 DOI: 10.1021/acsnano.4c06286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
Nanomedicine has long pursued the goal of targeted delivery to specific organs and cell types but has yet to achieve this goal with the vast majority of targets. One rare example of success in this pursuit has been the 25+ years of studies targeting the lung endothelium using nanoparticles conjugated to antibodies against endothelial surface molecules. However, here we show that such "endothelial-targeted" nanocarriers also effectively target the lungs' numerous marginated neutrophils, which reside in the pulmonary capillaries and patrol for pathogens. We show that marginated neutrophils' uptake of many of these "endothelial-targeted" nanocarriers is on par with endothelial uptake. This generalizes across diverse nanomaterials and targeting moieties and was even found with physicochemical lung tropism (i.e., without targeting moieties). Further, we observed this in ex vivo human lungs and in vivo healthy mice, with an increase in marginated neutrophil uptake of nanoparticles caused by local or distant inflammation. These findings have implications for nanomedicine development for lung diseases. These data also suggest that marginated neutrophils, especially in the lungs, should be considered a major part of the reticuloendothelial system (RES), with a special role in clearing nanoparticles that adhere to the lumenal surfaces of blood vessels.
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Affiliation(s)
- Marco E Zamora
- Drexel University School of Biomedical Engineering, Philadelphia, Pennsylvania 19104, United States
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Eno-Obong Essien
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Kartik Bhamidipati
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Aditi Murthy
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Jing Liu
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Hyunjun Kim
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States
| | - Manthan N Patel
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Jia Nong
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Zhicheng Wang
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Carolann Espy
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Fatima N Chaudhry
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States
| | - Laura T Ferguson
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Sachchidanand Tiwari
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Elizabeth D Hood
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Oscar A Marcos-Contreras
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Serena Omo-Lamai
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Tea Shuvaeva
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Evguenia Arguiri
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Jichuan Wu
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Lubica Rauova
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States
| | - Mortimer Poncz
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States
| | - Maria C Basil
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Edward Cantu
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Joseph D Planer
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
| | - Kara Spiller
- Drexel University School of Biomedical Engineering, Philadelphia, Pennsylvania 19104, United States
| | - Jarod Zepp
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104, United States
| | - Vladimir R Muzykantov
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Jacob W Myerson
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
| | - Jacob S Brenner
- Perelman School of Medicine Department of System Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania 19104, United States
- Perelman School of Medicine Department of Pulmonary, Allergy, and Critical Care, Philadelphia, Pennsylvania 19104, United States
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2
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Yu LC, He R, Wang DX, Qi D. Activated Clec4n hi Neutrophils Aggravate Lung Injury in an Endothelial IGFBP7-Dependent Manner. Am J Respir Cell Mol Biol 2024; 71:66-80. [PMID: 38574235 DOI: 10.1165/rcmb.2024-0017oc] [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: 01/13/2024] [Accepted: 04/04/2024] [Indexed: 04/06/2024] Open
Abstract
The role of endothelial cells in acute lung injury (ALI) has been widely elaborated, but little is known about the role of different subtypes of endothelial cells in ALI. ALI models were established by lipopolysaccharide. Single-cell RNA sequencing was used to identify differential molecules in endothelial subtypes and the heterogeneity of lung immune cells. Specific antibodies were used to block insulin-like growth factor binding protein 7 (IGFBP7), and AAVshIGP7 was used to specifically knock down IGFBP7. Here, we found that IGFBP7 was the most differentially expressed molecule in diverse subsets of endothelial cells and that IGFBP7 was strongly associated with inflammatory responses. Elevated IGFBP7 significantly exacerbated barrier dysfunction in ALI, whereas blockade of IGFBP7 partially reversed barrier damage. General capillary cells are the primary source of elevated serum IGFBP7 after ALI. Using single-cell RNA sequencing, we identified significantly increased Clec4nhi neutrophils in mice with ALI, whereas IGFBP7 knockdown significantly reduced infiltration of Clec4nhi cells and mitigated barrier dysfunction in ALI. In addition, we found that IGFBP7 activated the NF-κB signaling axis by promoting phosphorylation and ubiquitination degradation of F-box/WD repeat-containing protein 2 (FBXW2), thereby exacerbating barrier dysfunction in ALI. Taken together, our data indicate that blockade of serum IGFBP7 or IGFBP7 depletion in general capillary cells reversed barrier damage in ALI. Therefore, targeting IGFBP7 depletion could be a novel strategy for treating ALI.
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Affiliation(s)
- Lin-Chao Yu
- Department of Respiratory Medicine, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Rui He
- Department of Respiratory Medicine, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dao-Xin Wang
- Department of Respiratory Medicine, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Di Qi
- Department of Respiratory Medicine, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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3
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Granja T, Köhler D, Tang L, Burkard P, Eggstein C, Hemmen K, Heinze KG, Heck-Swain KL, Koeppen M, Günther S, Blaha M, Magunia H, Bamberg M, Konrad F, Ngamsri KC, Fuhr A, Keller M, Bernard AM, Haeberle HA, Bakchoul T, Zarbock A, Nieswandt B, Rosenberger P. Semaphorin 7A coordinates neutrophil response during pulmonary inflammation and sepsis. Blood Adv 2024; 8:2660-2674. [PMID: 38489236 PMCID: PMC11157222 DOI: 10.1182/bloodadvances.2023011778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 03/17/2024] Open
Abstract
ABSTRACT Pulmonary defense mechanisms are critical for host integrity during pneumonia and sepsis. This defense is fundamentally dependent on the activation of neutrophils during the innate immune response. Recent work has shown that semaphorin 7A (Sema7A) holds significant impact on platelet function, yet its role on neutrophil function within the lung is not well understood. This study aimed to identify the role of Sema7A during pulmonary inflammation and sepsis. In patients with acute respiratory distress syndrome (ARDS), we were able to show a correlation between Sema7A and oxygenation levels. During subsequent workup, we found that Sema7A binds to the neutrophil PlexinC1 receptor, increasing integrins, and L-selectin on neutrophils. Sema7A prompted neutrophil chemotaxis in vitro and the formation of platelet-neutrophil complexes in vivo. We also observed altered adhesion and transmigration of neutrophils in Sema7A-/-animals in the lung during pulmonary inflammation. This effect resulted in increased number of neutrophils in the interstitial space of Sema7A-/- animals but reduced numbers of neutrophils in the alveolar space during pulmonary sepsis. This finding was associated with significantly worse outcome of Sema7A-/- animals in a model of pulmonary sepsis. Sema7A has an immunomodulatory effect in the lung, affecting pulmonary sepsis and ARDS. This effect influences the response of neutrophils to external aggression and might influence patient outcome. This trial was registered at www.ClinicalTrials.gov as #NCT02692118.
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Affiliation(s)
- Tiago Granja
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
- Lusofona's Research Center for Biosciences & Health Technologies, CBIOS-Universidade, Lisboa, Portugal
| | - David Köhler
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Linyan Tang
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
- Department of Intensive Care Medicine, Shenzhen University General Hospital, Shenzhen, China
| | - Philipp Burkard
- Institute of Experimental Biomedicine, University Hospital, University of Würzburg, Würzburg, Germany
| | - Claudia Eggstein
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Katherina Hemmen
- Rudolf Virchow Center for Integrative and Translational Bioimaging, University of Würzburg, Würzburg, Germany
| | - Katrin G. Heinze
- Rudolf Virchow Center for Integrative and Translational Bioimaging, University of Würzburg, Würzburg, Germany
| | - Ka-Lin Heck-Swain
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Michael Koeppen
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Sven Günther
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Maximilian Blaha
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Harry Magunia
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Maximilian Bamberg
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Franziska Konrad
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | | | - Anika Fuhr
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Marius Keller
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Alice M. Bernard
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Helene A. Haeberle
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Tamam Bakchoul
- Center for Clinical Transfusion Medicine, University Hospital of Tübingen, Tübingen, Germany
| | - Alexander Zarbock
- Department of Anesthesiology and Intensive Care Medicine and Pain Medicine, University Hospital, Münster, Germany
| | - Bernhard Nieswandt
- Department of Intensive Care Medicine, Shenzhen University General Hospital, Shenzhen, China
| | - Peter Rosenberger
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
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Vellingiri V, Balaji Ragunathrao VA, Joshi JC, Akhter MZ, Anwar M, Banerjee S, Dudek S, Tsukasaki Y, Pinho S, Mehta D. Endothelial ERG programs neutrophil transcriptome for sustained anti-inflammatory vascular niche. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.02.591799. [PMID: 38746216 PMCID: PMC11092576 DOI: 10.1101/2024.05.02.591799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Neutrophils (PMNs) reside as a marginated pool within the vasculature, ready for deployment during infection. However, how endothelial cells (ECs) control PMN extravasation and activation to strengthen tissue homeostasis remains ill-defined. Here, we found that the vascular ETS-related gene (ERG) is a generalized mechanism regulating PMN activity in preclinical tissue injury models and human patients. We show that ERG loss in ECs rewired PMN-transcriptome, enriched for genes associated with the CXCR2-CXCR4 signaling. Rewired PMNs compromise mice survival after pneumonia and induced lung vascular inflammatory injury following adoptive transfer into naïve mice, indicating their longevity and inflammatory activity memory. Mechanistically, EC-ERG restricted PMN extravasation and activation by upregulating the deubiquitinase A20 and downregulating the NFκB-IL8 cascade. Rescuing A20 in EC-Erg -/- endothelium or suppressing PMN-CXCR2 signaling rescued EC control of PMN activation. Findings deepen our understanding of EC control of PMN-mediated inflammation, offering potential avenues for targeting various inflammatory diseases. Highlights ERG regulates trans-endothelial neutrophil (PMN) extravasation, retention, and activationLoss of endothelial (EC) ERG rewires PMN-transcriptomeAdopted transfer of rewired PMNs causes inflammation in a naïve mouse ERG transcribes A20 and suppresses CXCR2 function to inactivate PMNs. In brief/blurb The authors investigated how vascular endothelial cells (EC) control polymorphonuclear neutrophil (PMN) extravasation, retention, and activation to strengthen tissue homeostasis. They showed that EC-ERG controls PMN transcriptome into an anti-adhesive and anti-inflammatory lineage by synthesizing A20 and suppressing PMNs-CXCR2 signaling, defining EC-ERG as a target for preventing neutrophilic inflammatory injury.
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5
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Haynes ME, Sullivan DP, Muller WA. Neutrophil Infiltration and Function in the Pathogenesis of Inflammatory Airspace Disease. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:628-636. [PMID: 38309429 PMCID: PMC11074974 DOI: 10.1016/j.ajpath.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/07/2023] [Accepted: 12/21/2023] [Indexed: 02/05/2024]
Abstract
Neutrophils are an important cell type often considered the body's first responders to inflammatory insult or damage. They are recruited to the tissue of the lungs in patients with inflammatory airspace diseases and have unique and complex functions that range from helpful to harmful. The uniqueness of these functions is due to the heterogeneity of the inflammatory cascade and retention in the vasculature. Neutrophils are known to marginate, or remain stagnant, in the lungs even in nondisease conditions. This review discusses the ways in which the recruitment, presence, and function of neutrophils in the airspace of the lungs are unique from those of other tissues, and the complex effects of neutrophils on pathogenesis. Inflammatory mediators produced by neutrophils, such as neutrophil elastase, proresolving mediators, and neutrophil extracellular traps, dramatically affect the outcomes of patients with disease of the lungs.
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Affiliation(s)
- Maureen E Haynes
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - David P Sullivan
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - William A Muller
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
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6
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Podkowik M, Perault AI, Putzel G, Pountain A, Kim J, DuMont AL, Zwack EE, Ulrich RJ, Karagounis TK, Zhou C, Haag AF, Shenderovich J, Wasserman GA, Kwon J, Chen J, Richardson AR, Weiser JN, Nowosad CR, Lun DS, Parker D, Pironti A, Zhao X, Drlica K, Yanai I, Torres VJ, Shopsin B. Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress. eLife 2024; 12:RP89098. [PMID: 38687677 PMCID: PMC11060713 DOI: 10.7554/elife.89098] [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] [Indexed: 05/02/2024] Open
Abstract
The agr quorum-sensing system links Staphylococcus aureus metabolism to virulence, in part by increasing bacterial survival during exposure to lethal concentrations of H2O2, a crucial host defense against S. aureus. We now report that protection by agr surprisingly extends beyond post-exponential growth to the exit from stationary phase when the agr system is no longer turned on. Thus, agr can be considered a constitutive protective factor. Deletion of agr resulted in decreased ATP levels and growth, despite increased rates of respiration or fermentation at appropriate oxygen tensions, suggesting that Δagr cells undergo a shift towards a hyperactive metabolic state in response to diminished metabolic efficiency. As expected from increased respiratory gene expression, reactive oxygen species (ROS) accumulated more in the agr mutant than in wild-type cells, thereby explaining elevated susceptibility of Δagr strains to lethal H2O2 doses. Increased survival of wild-type agr cells during H2O2 exposure required sodA, which detoxifies superoxide. Additionally, pretreatment of S. aureus with respiration-reducing menadione protected Δagr cells from killing by H2O2. Thus, genetic deletion and pharmacologic experiments indicate that agr helps control endogenous ROS, thereby providing resilience against exogenous ROS. The long-lived 'memory' of agr-mediated protection, which is uncoupled from agr activation kinetics, increased hematogenous dissemination to certain tissues during sepsis in ROS-producing, wild-type mice but not ROS-deficient (Cybb-/-) mice. These results demonstrate the importance of protection that anticipates impending ROS-mediated immune attack. The ubiquity of quorum sensing suggests that it protects many bacterial species from oxidative damage.
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Affiliation(s)
- Magdalena Podkowik
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
| | - Andrew I Perault
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
| | - Gregory Putzel
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
- Microbial Computational Genomic Core Lab, NYU Grossman School of MedicineNew YorkUnited States
| | - Andrew Pountain
- Institute for Systems Genetics; NYU Grossman School of MedicineNew YorkUnited States
| | - Jisun Kim
- Department of Pathology, Immunology and Laboratory Medicine, Center for Immunity and Inflammation, Rutgers New Jersey Medical SchoolNewarkUnited States
| | - Ashley L DuMont
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
| | - Erin E Zwack
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
| | - Robert J Ulrich
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
| | - Theodora K Karagounis
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Ronald O. Perelman Department of Dermatology; NYU Grossman School of MedicineNew YorkUnited States
| | - Chunyi Zhou
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
| | - Andreas F Haag
- School of Medicine, University of St AndrewsSt AndrewsUnited Kingdom
| | - Julia Shenderovich
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
| | - Gregory A Wasserman
- Department of Surgery, Northwell Health Lenox Hill HospitalNew YorkUnited States
| | - Junbeom Kwon
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
| | - John Chen
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of SingaporeSingaporeSingapore
| | - Anthony R Richardson
- Department of Microbiology and Molecular Genetics, University of PittsburghPittsburghUnited States
| | - Jeffrey N Weiser
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
| | - Carla R Nowosad
- Department of Pathology, NYU Grossman School of MedicineNew YorkUnited States
| | - Desmond S Lun
- Center for Computational and Integrative Biology and Department of Computer Science, Rutgers UniversityCamdenUnited States
| | - Dane Parker
- Department of Pathology, Immunology and Laboratory Medicine, Center for Immunity and Inflammation, Rutgers New Jersey Medical SchoolNewarkUnited States
| | - Alejandro Pironti
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
- Microbial Computational Genomic Core Lab, NYU Grossman School of MedicineNew YorkUnited States
| | - Xilin Zhao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen UniversityXiamenChina
| | - Karl Drlica
- Public Health Research Institute, New Jersey Medical School, Rutgers UniversityNew YprkUnited States
- Department of Microbiology, Biochemistry & Molecular Genetics, New Jersey Medical School, Rutgers UniversityNewarkUnited States
| | - Itai Yanai
- Institute for Systems Genetics; NYU Grossman School of MedicineNew YorkUnited States
- Department of Biochemistry and Molecular Pharmacology, NYU Grossman School of MedicineNew YorkUnited States
| | - Victor J Torres
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
| | - Bo Shopsin
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of MedicineNew YorkUnited States
- Antimicrobial-Resistant Pathogens Program, New York University School of MedicineNew YorkUnited States
- Department of Microbiology, NYU Grossman School of MedicineNew YorkUnited States
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7
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Zhang WX, Neupane AS, David BA, Ginhoux F, Vargas E Silva Castanheira F, Kubes P. A Functional Assessment of Fetal Liver and Monocyte-Derived Macrophages in the Lung Alveolar Environment. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1012-1021. [PMID: 38251913 DOI: 10.4049/jimmunol.2300626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024]
Abstract
It is becoming clear that every organ is seeded by a population of fetal liver-derived macrophages that are replaced at different rates by monocyte-derived macrophages. Using the Ms4a3tdTomato reporter mouse that reports on monocyte-derived alveolar macrophages (Mo-AMs) and our ability to examine AM function using our multichannel intravital microscopy, we examined the fetal-liver derived alveolar macrophage (FL-AM) and Mo-AM populations within the same mouse under various environmental conditions. The experiments unveiled that AMs migrated from alveolus to alveolus and phagocytosed bacteria identically regardless of ontogenic origin. Using 50 PFU of influenza A virus (IAV) determined using the Madin-Darby canine kidney (MDCK) cell line, we noted that both populations were susceptible to IAV-induced immunoparalysis, which also led to impaired phagocytosis of secondary bacterial infections. Both FL-AMs and Mo-AMs were trained by β-glucan to resist IAV-induced paralysis. Over time (40 wk), Mo-AMs began to outperform FL-AMs, although both populations were still sensitive to IAV. Our data also show that clodronate depletion of AMs leads to replenishment, but by FL-AMs, and these macrophages do show some functional impairment for a limited time. Overall, the system is designed such that new macrophages rapidly assume the function of tissue-resident macrophages when both populations are examined in an identical environment. These data do differ from artificial depletion methods that compare Mo-AMs and FL-AMs.
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Affiliation(s)
- Wen Xuan Zhang
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Arpan Sharma Neupane
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Bruna Araujo David
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Florent Ginhoux
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
- Gustave Roussy Cancer Campus, Villejuif, France
| | - Fernanda Vargas E Silva Castanheira
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Microbiology, Immunology & Infectious Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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8
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Komaru Y, Ning L, Lama C, Suresh A, Kefaloyianni E, Miller MJ, Herrlich A. Sterile kidney tissue injury induces neutrophil swarming in lung alveolar capillaries. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.27.582396. [PMID: 38464306 PMCID: PMC10925262 DOI: 10.1101/2024.02.27.582396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Sterile tissue injury, such as by acute kidney injury, is common in the clinic and frequently associated with respiratory compromise and hypoxemia. We previously described signaling components released by the injured kidney that drive a remote inflammatory response in the lung. How this caused the resultant hypoxemia remained unclear. Here, we report that sterile kidney tissue injury induces rapid intravascular "neutrophil train" formation in lung capillaries, a novel form of neutrophil swarming. Rapid swarming is enhanced by decreased deformability of circulating neutrophils that impedes their lung capillary passage. Classical lung monocytes are required for neutrophil train formation and release CXCL2 to attract and retain stiffened neutrophils in lung capillaries which reduces capillary perfusion. We thus discovered a novel feature of kidney-lung crosstalk after sterile kidney tissue injury, capillary perfusion deficits that lead to reduced oxygenation despite proper alveolar function and ventilation, unlike in infectious inflammatory lung processes, such as bacterial pneumonia.
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9
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Rizo-Téllez SA, Filep JG. Beyond host defense and tissue injury: the emerging role of neutrophils in tissue repair. Am J Physiol Cell Physiol 2024; 326:C661-C683. [PMID: 38189129 PMCID: PMC11193466 DOI: 10.1152/ajpcell.00652.2023] [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: 11/29/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 01/09/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play a fundamental role in host defense against invading pathogens and tissue injury. Neutrophils carry potentially lethal weaponry to the affected site. Inadvertent and perpetual neutrophil activation could lead to nonresolving inflammation and tissue damage, a unifying mechanism of many common diseases. The prevailing view emphasizes the dichotomy of their function, host defense versus tissue damage. However, tissue injury may also persist during neutropenia, which is associated with disease severity and poor outcome. Numerous studies highlight neutrophil phenotypic heterogeneity and functional versatility, indicating that neutrophils play more complex roles than previously thought. Emerging evidence indicates that neutrophils actively orchestrate resolution of inflammation and tissue repair and facilitate return to homeostasis. Thus, neutrophils mobilize multiple mechanisms to limit the inflammatory reaction, assure debris removal, matrix remodeling, cytokine scavenging, macrophage reprogramming, and angiogenesis. In this review, we will summarize the homeostatic and tissue-reparative functions and mechanisms of neutrophils across organs. We will also discuss how the healing power of neutrophils might be harnessed to develop novel resolution and repair-promoting therapies while maintaining their defense functions.
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Affiliation(s)
- Salma A Rizo-Téllez
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
| | - János G Filep
- Department of Pathology and Cell Biology, University of Montreal and Research Center, Maisonneuve-Rosemont Hospital, Montreal, Quebec, Canada
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10
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Podkowik M, Perault AI, Putzel G, Pountain A, Kim J, Dumont A, Zwack E, Ulrich RJ, Karagounis TK, Zhou C, Haag AF, Shenderovich J, Wasserman GA, Kwon J, Chen J, Richardson AR, Weiser JN, Nowosad CR, Lun DS, Parker D, Pironti A, Zhao X, Drlica K, Yanai I, Torres VJ, Shopsin B. Quorum-sensing agr system of Staphylococcus aureus primes gene expression for protection from lethal oxidative stress. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.06.08.544038. [PMID: 37333372 PMCID: PMC10274873 DOI: 10.1101/2023.06.08.544038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
The agr quorum-sensing system links Staphylococcus aureus metabolism to virulence, in part by increasing bacterial survival during exposure to lethal concentrations of H2O2, a crucial host defense against S. aureus. We now report that protection by agr surprisingly extends beyond post-exponential growth to the exit from stationary phase when the agr system is no longer turned on. Thus, agr can be considered a constitutive protective factor. Deletion of agr increased both respiration and fermentation but decreased ATP levels and growth, suggesting that Δagr cells assume a hyperactive metabolic state in response to reduced metabolic efficiency. As expected from increased respiratory gene expression, reactive oxygen species (ROS) accumulated more in the agr mutant than in wild-type cells, thereby explaining elevated susceptibility of Δagr strains to lethal H2O2 doses. Increased survival of wild-type agr cells during H2O2 exposure required sodA, which detoxifies superoxide. Additionally, pretreatment of S. aureus with respiration-reducing menadione protected Δagr cells from killing by H2O2. Thus, genetic deletion and pharmacologic experiments indicate that agr helps control endogenous ROS, thereby providing resilience against exogenous ROS. The long-lived "memory" of agr-mediated protection, which is uncoupled from agr activation kinetics, increased hematogenous dissemination to certain tissues during sepsis in ROS-producing, wild-type mice but not ROS-deficient (Nox2-/-) mice. These results demonstrate the importance of protection that anticipates impending ROS-mediated immune attack. The ubiquity of quorum sensing suggests that it protects many bacterial species from oxidative damage.
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Affiliation(s)
- Magdalena Podkowik
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of Medicine, New York, NY, USA
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
| | - Andrew I. Perault
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Gregory Putzel
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
- Microbial Computational Genomic Core Lab, NYU Grossman School of Medicine, New York, NY, USA
| | - Andrew Pountain
- Institute for Systems Genetics; NYU Grossman School of Medicine, New York, NY, USA
| | - Jisun Kim
- Department of Pathology, Immunology and Laboratory Medicine, Center for Immunity and Inflammation, Rutgers New Jersey Medical School Cancer Center, Newark, NJ, USA
| | - Ashley Dumont
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Erin Zwack
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Robert J. Ulrich
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of Medicine, New York, NY, USA
| | - Theodora K. Karagounis
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Ronald O. Perelman Department of Dermatology; NYU Grossman School of Medicine, New York, NY, USA
| | - Chunyi Zhou
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of Medicine, New York, NY, USA
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
| | - Andreas F. Haag
- School of Medicine, University of St Andrews, St Andrews, UK
| | - Julia Shenderovich
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Junbeom Kwon
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of Medicine, New York, NY, USA
| | - John Chen
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Anthony R. Richardson
- Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jeffrey N. Weiser
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Carla R. Nowosad
- Department of Pathology, NYU Grossman School of Medicine, New York, NY, USA
| | - Desmond S. Lun
- Center for Computational and Integrative Biology and Department of Computer Science, Rutgers University, Camden, NJ, USA
| | - Dane Parker
- Department of Pathology, Immunology and Laboratory Medicine, Center for Immunity and Inflammation, Rutgers New Jersey Medical School Cancer Center, Newark, NJ, USA
| | - Alejandro Pironti
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
- Microbial Computational Genomic Core Lab, NYU Grossman School of Medicine, New York, NY, USA
| | - Xilin Zhao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen, Fujian Province, China
| | - Karl Drlica
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, NJ, USA
- Department of Microbiology, Biochemistry & Molecular Genetics, New Jersey Medical School, Rutgers University, Newark, NJ, USA
| | - Itai Yanai
- Institute for Systems Genetics; NYU Grossman School of Medicine, New York, NY, USA
- Department of Biochemistry and Molecular Pharmacology, NYU Grossman School of Medicine, New York, NY, USA
| | - Victor J. Torres
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
| | - Bo Shopsin
- Department of Medicine, Division of Infectious Diseases, NYU Grossman School of Medicine, New York, NY, USA
- Antimicrobial-Resistant Pathogens Program, New York University School of Medicine, New York, NY, USA
- Department of Microbiology, NYU Grossman School of Medicine, New York, NY, USA
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11
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Ortmann W, Such A, Cichon I, Baj-Krzyworzeka M, Weglarczyk K, Kolaczkowska E. Large extracellular vesicle (EV) and neutrophil extracellular trap (NET) interaction captured in vivo during systemic inflammation. Sci Rep 2024; 14:4680. [PMID: 38409254 PMCID: PMC10897202 DOI: 10.1038/s41598-024-55081-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/19/2024] [Indexed: 02/28/2024] Open
Abstract
Extracellular vesicles (EVs) and neutrophil extracellular traps (NETs) are pivotal bioactive structures involved in various processes including inflammation. Herein we report the interactions between EVs and NETs during murine endotoxemia studied in situ directly in the vasculature (cremaster muscle, liver sinusoids) using intravital microscopy (IVM). We captured NETs and EV release in real time by both non- and polarized neutrophils in liver but not in cremaster vasculature. When comparing numbers of circulating EVs of various origin (nanoparticle tracking analysis-NTA, flow cytometry) with those interacting with endothelium and NETs (IVM) we observed that whereas platelet and monocyte/macrophage-derived EVs dominate in blood and peritoneal lavage, respectively, mostly neutrophil-derived EVs interact with the vascular lining, NETs and leukocytes. Despite the interaction, NETs do not affect EV formation as NET release inhibition did not alter EV release. However, EVs inhibit NETs formation and in particular, erythrocyte-derived EVs downregulate NET release and this effect is mediated via Siglec-E-dependent interactions with neutrophils. Overall, we report that EVs are present in NETs in vivo and they do modulate their release but the process in not bidirectional. Moreover, EVs isolated from body fluids might not reflect their importance in direct endothelial- and leukocyte-related interactions.
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Affiliation(s)
- Weronika Ortmann
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Anna Such
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Iwona Cichon
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Monika Baj-Krzyworzeka
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Kazimierz Weglarczyk
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Elzbieta Kolaczkowska
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland.
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12
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Wang L, Quine S, Frickenstein AN, Lee M, Yang W, Sheth VM, Bourlon MD, He Y, Lyu S, Garcia-Contreras L, Zhao YD, Wilhelm S. Exploring and Analyzing the Systemic Delivery Barriers for Nanoparticles. ADVANCED FUNCTIONAL MATERIALS 2024; 34:2308446. [PMID: 38828467 PMCID: PMC11142462 DOI: 10.1002/adfm.202308446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Indexed: 06/05/2024]
Abstract
Most nanomedicines require efficient in vivo delivery to elicit diagnostic and therapeutic effects. However, en route to their intended tissues, systemically administered nanoparticles often encounter delivery barriers. To describe these barriers, we propose the term "nanoparticle blood removal pathways" (NBRP), which summarizes the interactions between nanoparticles and the body's various cell-dependent and cell-independent blood clearance mechanisms. We reviewed nanoparticle design and biological modulation strategies to mitigate nanoparticle-NBRP interactions. As these interactions affect nanoparticle delivery, we studied the preclinical literature from 2011-2021 and analyzed nanoparticle blood circulation and organ biodistribution data. Our findings revealed that nanoparticle surface chemistry affected the in vivo behavior more than other nanoparticle design parameters. Combinatory biological-PEG surface modification improved the blood area under the curve by ~418%, with a decrease in liver accumulation of up to 47%. A greater understanding of nanoparticle-NBRP interactions and associated delivery trends will provide new nanoparticle design and biological modulation strategies for safer, more effective, and more efficient nanomedicines.
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Affiliation(s)
- Lin Wang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Skyler Quine
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Alex N. Frickenstein
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Michael Lee
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Wen Yang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Vinit M. Sheth
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Margaret D. Bourlon
- College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73117, USA
| | - Yuxin He
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Shanxin Lyu
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Lucila Garcia-Contreras
- College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73117, USA
| | - Yan D. Zhao
- Department of Biostatistics and Epidemiology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73012, USA
- Stephenson Cancer Center, Oklahoma City, Oklahoma, 73104, USA
| | - Stefan Wilhelm
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
- Stephenson Cancer Center, Oklahoma City, Oklahoma, 73104, USA
- Institute for Biomedical Engineering, Science, and Technology (IBEST), Norman, Oklahoma, 73019, USA
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13
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Farahnak K, Bai YZ, Yokoyama Y, Morkan DB, Liu Z, Amrute JM, De Filippis Falcon A, Terada Y, Liao F, Li W, Shepherd HM, Hachem RR, Puri V, Lavine KJ, Gelman AE, Bharat A, Kreisel D, Nava RG. B cells mediate lung ischemia/reperfusion injury by recruiting classical monocytes via synergistic B cell receptor/TLR4 signaling. J Clin Invest 2024; 134:e170118. [PMID: 38488011 PMCID: PMC10940088 DOI: 10.1172/jci170118] [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: 03/01/2023] [Accepted: 01/17/2024] [Indexed: 03/18/2024] Open
Abstract
Ischemia/reperfusion injury-mediated (IRI-mediated) primary graft dysfunction (PGD) adversely affects both short- and long-term outcomes after lung transplantation, a procedure that remains the only treatment option for patients suffering from end-stage respiratory failure. While B cells are known to regulate adaptive immune responses, their role in lung IRI is not well understood. Here, we demonstrated by intravital imaging that B cells are rapidly recruited to injured lungs, where they extravasate into the parenchyma. Using hilar clamping and transplant models, we observed that lung-infiltrating B cells produce the monocyte chemokine CCL7 in a TLR4-TRIF-dependent fashion, a critical step contributing to classical monocyte (CM) recruitment and subsequent neutrophil extravasation, resulting in worse lung function. We found that synergistic BCR-TLR4 activation on B cells is required for the recruitment of CMs to the injured lung. Finally, we corroborated our findings in reperfused human lungs, in which we observed a correlation between B cell infiltration and CM recruitment after transplantation. This study describes a role for B cells as critical orchestrators of lung IRI. As B cells can be depleted with currently available agents, our study provides a rationale for clinical trials investigating B cell-targeting therapies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Andrew E. Gelman
- Department of Surgery
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Ankit Bharat
- Department of Surgery, Northwestern University, Chicago, Illinois, USA
| | - Daniel Kreisel
- Department of Surgery
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, Missouri, USA
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14
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Li X, Qiao Q, Liu X, Hu Q, Yu Y, Qin X, Tian T, Tian Y, Ou X, Niu B, Yang C, Kong L, Zhang Z. Engineered Biomimetic Nanovesicles Based on Neutrophils for Hierarchical Targeting Therapy of Acute Respiratory Distress Syndrome. ACS NANO 2024; 18:1658-1677. [PMID: 38166370 DOI: 10.1021/acsnano.3c09848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
Acute Respiratory Distress Syndrome (ARDS) is a clinically severe respiratory disease that causes severe medical and economic burden. To improve therapeutic efficacy, effectively targeting delivery to the inflamed lungs and inflamed cells remains an ongoing challenge. Herein, we designed engineered biomimetic nanovesicles (DHA@ANeu-DDAB) by fusion of lung-targeting functional lipid, neutrophil membrane containing activated β2 integrins, and the therapeutic lipid, docosahexaenoic acid (DHA). By the advantage of lung targeting lipid and β2 integrin targeting adhesion, DHA@ANeu-DDAB can first target lung tissue and further target inflammatory vascular endothelial cells, to achieve "tissue first, cell second" hierarchical delivery. In addition, the β2 integrins in DHA@ANeu-DDAB could bind to the intercellular cell adhesion molecule-1/2 (ICAM-1/2) ligand on the endothelium in the inflamed blood vessels, thus inhibiting neutrophils' infiltration in the blood circulation. DHA administration to inflamed lungs could effectively regulate macrophage phenotype and promote its anti-inflammatory activity via enhanced biosynthesis of specialized pro-resolving mediators. In the lipopolysaccharide-induced ARDS mouse model, DHA@ANeu-DDAB afforded a comprehensive and efficient inhibition of lung inflammation and promoted acute lung damage repair. Through mimicking physiological processes, these engineered biomimetic vesicles as a delivery system possess good potential in targeting therapy for ARDS.
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Affiliation(s)
- Xiaonan Li
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qi Qiao
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiong Liu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Qian Hu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yulin Yu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xianya Qin
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Tianyi Tian
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yinmei Tian
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiangjun Ou
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Boning Niu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Conglian Yang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Li Kong
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, China
- Hubei Engineering Research Centre for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, China
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15
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Mukhopadhyay A, Tsukasaki Y, Chan WC, Le JP, Kwok ML, Zhou J, Natarajan V, Mostafazadeh N, Maienschein-Cline M, Papautsky I, Tiruppathi C, Peng Z, Rehman J, Ganesh B, Komarova Y, Malik AB. trans-Endothelial neutrophil migration activates bactericidal function via Piezo1 mechanosensing. Immunity 2024; 57:52-67.e10. [PMID: 38091995 PMCID: PMC10872880 DOI: 10.1016/j.immuni.2023.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/02/2023] [Accepted: 11/10/2023] [Indexed: 12/21/2023]
Abstract
The regulation of polymorphonuclear leukocyte (PMN) function by mechanical forces encountered during their migration across restrictive endothelial cell junctions is not well understood. Using genetic, imaging, microfluidic, and in vivo approaches, we demonstrated that the mechanosensor Piezo1 in PMN plasmalemma induced spike-like Ca2+ signals during trans-endothelial migration. Mechanosensing increased the bactericidal function of PMN entering tissue. Mice in which Piezo1 in PMNs was genetically deleted were defective in clearing bacteria, and their lungs were predisposed to severe infection. Adoptive transfer of Piezo1-activated PMNs into the lungs of Pseudomonas aeruginosa-infected mice or exposing PMNs to defined mechanical forces in microfluidic systems improved bacterial clearance phenotype of PMNs. Piezo1 transduced the mechanical signals activated during transmigration to upregulate nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 4, crucial for the increased PMN bactericidal activity. Thus, Piezo1 mechanosensing of increased PMN tension, while traversing the narrow endothelial adherens junctions, is a central mechanism activating the host-defense function of transmigrating PMNs.
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Affiliation(s)
- Amitabha Mukhopadhyay
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Yoshikazu Tsukasaki
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Wan Ching Chan
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Jonathan P Le
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Man Long Kwok
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Jian Zhou
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois, Chicago, IL 60612, USA
| | - Viswanathan Natarajan
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA; Department of Medicine, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Nima Mostafazadeh
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois, Chicago, IL 60612, USA
| | - Mark Maienschein-Cline
- Research Informatics Core, Research Resources Center, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Ian Papautsky
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois, Chicago, IL 60612, USA
| | - Chinnaswamy Tiruppathi
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Zhangli Peng
- Richard and Loan Hill Department of Biomedical Engineering, University of Illinois, Chicago, IL 60612, USA
| | - Jalees Rehman
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Balaji Ganesh
- Flow Cytometry Core, Research Resources Center, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Yulia Komarova
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA.
| | - Asrar B Malik
- Department of Pharmacology and Regenerative Medicine and The Center for Lung and Vascular Biology, University of Illinois College of Medicine, Chicago, IL 60612, USA.
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16
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Degroote RL, Schmalen A, Hauck SM, Deeg CA. Unveiling Differential Responses of Granulocytes to Distinct Immunostimulants with Implications in Autoimmune Uveitis. Biomedicines 2023; 12:19. [PMID: 38275380 PMCID: PMC10812922 DOI: 10.3390/biomedicines12010019] [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: 11/23/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/27/2024] Open
Abstract
The perception of circulating granulocytes as cells with a predetermined immune response mainly triggered by pathogens is evolving, recognizing their functional heterogeneity and adaptability, particularly within the neutrophil subset. The involvement of these cells in the pathophysiology of autoimmune uveitis has become increasingly clear, yet their exact role remains elusive. We used an equine model for autoimmune-mediated recurrent pan-uveitis to investigate early responses of granulocytes in different inflammatory environments. For this purpose, we performed differential proteomics on granulocytes from healthy and diseased horses stimulated with IL8, LPS, or PMA. Compared to healthy horses, granulocytes from the recurrent uveitis model significantly changed the cellular abundance of 384 proteins, with a considerable number of specific changes for each stimulant. To gain more insight into the functional impact of these stimulant-specific proteome changes in ERU pathogenesis, we used Ingenuity Pathway Analysis for pathway enrichment. This resulted in specific reaction patterns for each stimulant, with IL8 predominantly promoting Class I MHC-mediated antigen processing and presentation, LPS enhancing processes in phospholipid biosynthesis, and PMA, clearly inducing neutrophil degranulation. These findings shed light on the remarkably differentiated responses of neutrophils, offering valuable insights into their functional heterogeneity in a T-cell-driven disease. Raw data are available via ProteomeXchange with identifier PXD013648.
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Affiliation(s)
- Roxane L. Degroote
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany; (R.L.D.); (A.S.)
| | - Adrian Schmalen
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany; (R.L.D.); (A.S.)
- Metabolomics and Proteomics Core, Helmholtz Center Munich, German Research Center for Environmental Health, D-80939 Munich, Germany;
| | - Stefanie M. Hauck
- Metabolomics and Proteomics Core, Helmholtz Center Munich, German Research Center for Environmental Health, D-80939 Munich, Germany;
| | - Cornelia A. Deeg
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany; (R.L.D.); (A.S.)
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17
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Burkard P, Schonhart C, Vögtle T, Köhler D, Tang L, Johnson D, Hemmen K, Heinze KG, Zarbock A, Hermanns HM, Rosenberger P, Nieswandt B. A key role for platelet GPVI in neutrophil recruitment, migration, and NETosis in the early stages of acute lung injury. Blood 2023; 142:1463-1477. [PMID: 37441848 DOI: 10.1182/blood.2023019940] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/13/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are associated with high morbidity and mortality. Excessive neutrophil infiltration into the pulmonary airspace is the main cause for the acute inflammation and lung injury. Platelets have been implicated in the pathogenesis of ALI/ARDS, but the underlying mechanisms are not fully understood. Here, we show that the immunoreceptor tyrosine-based activation motif-coupled immunoglobulin-like platelet receptor, glycoprotein VI (GPVI), plays a key role in the early phase of pulmonary thrombo-inflammation in a model of lipopolysaccharide (LPS)-induced ALI in mice. In wild-type (WT) control mice, intranasal LPS application triggered severe pulmonary and blood neutrophilia, hypothermia, and increased blood lactate levels. In contrast, GPVI-deficient mice as well as anti-GPVI-treated WT mice were markedly protected from pulmonary and systemic compromises and showed no increased pulmonary bleeding. High-resolution multicolor microscopy of lung sections and intravital confocal microcopy of the ventilated lung revealed that anti-GPVI treatment resulted in less stable platelet interactions with neutrophils and overall reduced platelet-neutrophil complex (PNC) formation. Anti-GPVI treatment also reduced neutrophil crawling and adhesion on endothelial cells, resulting in reduced neutrophil transmigration and alveolar infiltrates. Remarkably, neutrophil activation was also diminished in anti-GPVI-treated animals, associated with strongly reduced formation of PNC clusters and neutrophil extracellular traps (NETs) compared with that in control mice. These results establish GPVI as a key mediator of neutrophil recruitment, PNC formation, and NET formation (ie, NETosis) in experimental ALI. Thus, GPVI inhibition might be a promising strategy to reduce the acute pulmonary inflammation that causes ALI/ARDS.
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Affiliation(s)
- Philipp Burkard
- Institute of Experimental Biomedicine, Chair of Experimental Biomedicine I, University Hospital Würzburg, Würzburg, Germany
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Charlotte Schonhart
- Institute of Experimental Biomedicine, Chair of Experimental Biomedicine I, University Hospital Würzburg, Würzburg, Germany
| | - Timo Vögtle
- Institute of Experimental Biomedicine, Chair of Experimental Biomedicine I, University Hospital Würzburg, Würzburg, Germany
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - David Köhler
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Linyan Tang
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Denise Johnson
- Institute of Experimental Biomedicine, Chair of Experimental Biomedicine I, University Hospital Würzburg, Würzburg, Germany
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Katherina Hemmen
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Katrin G Heinze
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Heike M Hermanns
- Medical Clinic II, Division of Hepatology, University Hospital Würzburg, Würzburg, Germany
| | - Peter Rosenberger
- Department of Anesthesiology and Intensive Care Medicine, University Hospital, Tübingen, Germany
| | - Bernhard Nieswandt
- Institute of Experimental Biomedicine, Chair of Experimental Biomedicine I, University Hospital Würzburg, Würzburg, Germany
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
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18
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Abstract
The phenomenon of swarming has long been observed in nature as a strategic event that serves as a good offense toward prey and predators. Imaging studies have uncovered that neutrophils employ this swarm-like tactic within infected and inflamed tissues as part of the innate immune response. Much of our understanding of neutrophil swarming builds from observations during sterile inflammation and various bacterial, fungal, and parasitic infections of the skin. However, the architecture and function of the skin differ significantly from vital organs where highly specialized microenvironments carry out critical functions. Therefore, the detrimental extent this perturbation may have on organ function remains unclear. In this review, we examine organ-specific swarming within the skin, liver, and lungs, with a detailed focus on swarming within microvascular environments. In addition, we examine potential "swarmulants" that initiate both transient and persistent swarms that have been implicated in disease.
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Affiliation(s)
- Luke Brown
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Bryan G. Yipp
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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19
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Qu J, Jin J, Zhang M, Ng LG. Neutrophil diversity and plasticity: Implications for organ transplantation. Cell Mol Immunol 2023; 20:993-1001. [PMID: 37386174 PMCID: PMC10468536 DOI: 10.1038/s41423-023-01058-1] [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: 04/02/2023] [Accepted: 06/11/2023] [Indexed: 07/01/2023] Open
Abstract
Neutrophils, as the first defenders against external microbes and stimuli, are highly active and finely regulated innate immune cells. Emerging evidence has challenged the conventional dogma that neutrophils are a homogeneous population with a short lifespan that promotes tissue damage. Recent findings on neutrophil diversity and plasticity in homeostatic and disease states have centered on neutrophils in the circulation. In contrast, a comprehensive understanding of tissue-specialized neutrophils in health and disease is still lacking. This article will first discuss how multiomics advances have contributed to our understanding of neutrophil heterogeneity and diversification in resting and pathological settings. This discussion will be followed by a focus on the heterogeneity and role of neutrophils in solid organ transplantation and how neutrophils may contribute to transplant-related complications. The goal of this article is to provide an overview of the research on the involvement of neutrophils in transplantation, with the aim that this may draw attention to an underappreciated area of neutrophil research.
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Affiliation(s)
- Junwen Qu
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Jingsi Jin
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Ming Zhang
- Department of Urology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
| | - Lai Guan Ng
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
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20
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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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21
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Castanheira FVS, Nguyen R, Willson M, Davoli-Ferreira M, David BA, Kelly MM, Lee WY, Kratofil RM, Zhang WX, Bui-Marinos M, Corcoran JA, Kubes P. Intravital imaging of three different microvascular beds in SARS-CoV-2-infected mice. Blood Adv 2023; 7:4170-4181. [PMID: 37307197 PMCID: PMC10284260 DOI: 10.1182/bloodadvances.2022009430] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 05/08/2023] [Accepted: 05/29/2023] [Indexed: 06/14/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) enters the respiratory tract, where it infects the alveoli epithelial lining. However, patients have sequelae that extend well beyond the alveoli into the pulmonary vasculature and, perhaps, beyond to the brain and other organs. Because of the dynamic events within blood vessels, histology does not report platelet and neutrophil behavior. Because of the rapid nontranscriptional response of these cells, neither single-cell RNA sequencing nor proteomics report robustly on their critical behaviors. We used intravital microscopy in level-3 containment to examine the pathogenesis of SARS-CoV-2 within 3 organs in mice expressing human angiotensin converting enzyme 2 (ACE-2) ubiquitously (CAG-AC-70) or on epithelium (K18-promoter). Using a neon-green SARS-CoV-2, we observed both the epithelium and endothelium infected in AC70 mice but only the epithelium in K18 mice. There were increased neutrophils in the microcirculation but not in the alveoli of the lungs of AC70 mice. Platelets formed large aggregates in the pulmonary capillaries. Despite only neurons being infected within the brain, profound neutrophil adhesion forming the nidus of large platelet aggregates were observed in the cerebral microcirculation, with many nonperfused microvessels. Neutrophils breached the brain endothelial layer associated with a significant disruption of the blood-brain-barrier. Despite ubiquitous ACE-2 expression, CAG-AC-70 mice had very small increases in blood cytokine, no increase in thrombin, no infected circulating cells, and no liver involvement suggesting limited systemic effects. In summary, our imaging of SARS-CoV-2-infected mice gave direct evidence that there is a significant perturbation locally in the lung and brain microcirculation induced by local viral infection leading to increased local inflammation and thrombosis in these organs.
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Affiliation(s)
- Fernanda V. S. Castanheira
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Rita Nguyen
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Michelle Willson
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Marcela Davoli-Ferreira
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Bruna A. David
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Margaret M. Kelly
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
- Pathology and Laboratory Medicine, University of Calgary, Calgary, AB
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB
| | - Woo-Yong Lee
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Rachel M. Kratofil
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Wen X. Zhang
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
| | - Maxwell Bui-Marinos
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
- Charbonneau Cancer Research Institute, University of Calgary, Calgary, AB
| | - Jennifer A. Corcoran
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
- Charbonneau Cancer Research Institute, University of Calgary, Calgary, AB
| | - Paul Kubes
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB
- Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, AB
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB
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22
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Nong J, Glassman PM, Myerson JW, Zuluaga-Ramirez V, Rodriguez-Garcia A, Mukalel A, Omo-Lamai S, Walsh LR, Zamora ME, Gong X, Wang Z, Bhamidipati K, Kiseleva RY, Villa CH, Greineder CF, Kasner SE, Weissman D, Mitchell MJ, Muro S, Persidsky Y, Brenner JS, Muzykantov VR, Marcos-Contreras OA. Targeted Nanocarriers Co-Opting Pulmonary Intravascular Leukocytes for Drug Delivery to the Injured Brain. ACS NANO 2023; 17:13121-13136. [PMID: 37432926 PMCID: PMC10373654 DOI: 10.1021/acsnano.2c08275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 06/08/2023] [Indexed: 07/13/2023]
Abstract
Ex vivo-loaded white blood cells (WBC) can transfer cargo to pathological foci in the central nervous system (CNS). Here we tested affinity ligand driven in vivo loading of WBC in order to bypass the need for ex vivo WBC manipulation. We used a mouse model of acute brain inflammation caused by local injection of tumor necrosis factor alpha (TNF-α). We intravenously injected nanoparticles targeted to intercellular adhesion molecule 1 (anti-ICAM/NP). We found that (A) at 2 h, >20% of anti-ICAM/NP were localized to the lungs; (B) of the anti-ICAM/NP in the lungs >90% were associated with leukocytes; (C) at 6 and 22 h, anti-ICAM/NP pulmonary uptake decreased; (D) anti-ICAM/NP uptake in brain increased up to 5-fold in this time interval, concomitantly with migration of WBCs into the injured brain. Intravital microscopy confirmed transport of anti-ICAM/NP beyond the blood-brain barrier and flow cytometry demonstrated complete association of NP with WBC in the brain (98%). Dexamethasone-loaded anti-ICAM/liposomes abrogated brain edema in this model and promoted anti-inflammatory M2 polarization of macrophages in the brain. In vivo targeted loading of WBC in the intravascular pool may provide advantages of coopting WBC predisposed to natural rapid mobilization from the lungs to the brain, connected directly via conduit vessels.
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Affiliation(s)
- Jia Nong
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Patrick M. Glassman
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department
of Pharmaceutical Sciences, Temple University
School of Pharmacy, Philadelphia, Pennsylvania 19140, United States
| | - Jacob W. Myerson
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Viviana Zuluaga-Ramirez
- Department
of Pathology and Laboratory Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania 19140, United States
| | - Alba Rodriguez-Garcia
- Department
of Pathology and Laboratory Medicine, Ovarian Cancer Research Center,
Perelman School of Medicine, University
of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Center
for Cellular Immunotherapies, Abramson Cancer Center, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Alvin Mukalel
- Department
of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Serena Omo-Lamai
- Division
of Pulmonary Allergy, and Critical Care, Department of Medicine, Perelman
School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Landis R. Walsh
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Marco E. Zamora
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- School
of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Xijing Gong
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Division
of Pulmonary Allergy, and Critical Care, Department of Medicine, Perelman
School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Zhicheng Wang
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Kartik Bhamidipati
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Raisa Y. Kiseleva
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Carlos H. Villa
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Colin Fred Greineder
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Scott E. Kasner
- Department
of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Drew Weissman
- Division
of Infectious Diseases, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Michael J. Mitchell
- Department
of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Abramson
Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute
for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Cardiovascular
Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Institute
for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Silvia Muro
- Institute for Bioengineering of Catalonia (IBEC), Barcelona, 08028, Spain
- Institute of Catalonia for Research and
Advanced Studies (ICREA), Barcelona, 08010, Spain
- Institute
for Bioscience and Biotechnology (IBBR), College Park, Maryland 20850, United States
| | - Yuri Persidsky
- Department
of Pathology and Laboratory Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania 19140, United States
- Center
for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania 19140, United States
| | - Jacob Samuel Brenner
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Division
of Pulmonary Allergy, and Critical Care, Department of Medicine, Perelman
School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Vladimir R. Muzykantov
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Oscar A. Marcos-Contreras
- Department
of Systems Pharmacology and Translational Therapeutics, Perelman School
of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department
of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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23
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Leal PDS, Veeren IBL, Fonseca S, Machado CH, Lopes CWG. The importance of morphological changes in neutrophils in the diagnosis of bacterial infections in dogs with confirmed urinary tract infections in a Veterinary Care Service, Rio de Janeiro, Brazil. BRAZILIAN JOURNAL OF VETERINARY MEDICINE 2023; 45:e004022. [PMID: 37521363 PMCID: PMC10374294 DOI: 10.29374/2527-2179.bjvm0004022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 06/06/2023] [Indexed: 08/01/2023] Open
Abstract
Neutrophils (PMNs) are cellular markers used for diagnosing inflammation and/or infections. In this study, the objective was to highlight the importance of recording the toxic morphological alterations of the PMNs as markers of infection in 10 cases, positive bacterial isolation by culture due to dysuria, hematuria and/or fetid urine, as manifestations of urinary tract disease. Smear observations were performed by immersion for counting and morphological evaluations of 3,000 leukocytes in smears and in leukocyte concentrate. One (10.0%) of the dogs had leukocytosis, and two (20.0%) dogs had leukopenia. All animals showed toxic PMNs with positive bacterial culture. None of the cases in the study showed any quantitative alterations in PMNs such as: neutropenia or neutrophilia, where 100% had nuclear displacement of the regenerative type of PMNs to the left. 100% cases had toxic morphological changes: 90.0% had PMNs with toxic granulations, 80.0% had giant rod neutrophils, 70.0% had target PMNs, in 50.0% of those with vacuolation in the cytoplasm, in 40.0% of the animals, the presence of giant PMNs, 10.0% with Döhle bodies, and another animal 10.0% with karyorrhexis. All case studies had at least one association of two types of toxic changes. Toxic morphological alterations observed in PMNs through cystoscopy proved to be more reliable and sensitive in evidencing the diagnosis of infections than the quantitative alterations of absolute values of total leukocytes; therefore, they were essential in the laboratory diagnosis by blood count in the course of infections in dogs.
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Affiliation(s)
- Paulo Daniel Sant’Anna Leal
- Veterinarian, DSc., Programa de Pós-Graduação em Ciências Veterinárias (PPGCV), Departamento de Parasitologia Animal (DPA), Instituto de Veterinária (IV), Universidade Federal Rural do Rio de Janeiro (UFRRJ). Seropédica, RJ, Brazil.
| | - Ianna Barbosa Lima Veeren
- Veterinarian, autonomous. Rua Januário José Pinto de Oliveira, 735, Recreio dos Bandeirantes, RJ, Brazil.
| | - Solange Fonseca
- Microbiologist, Hospital Getúlio Vargas, Penha Circular, Rio de Janeiro, RJ, Brazil.
| | - Carlos Henrique Machado
- Veterinarian, DSc., Departamento de Clínica e Cirurgia Veterinária, IV, UFRRJ. Seropédica, RJ, Brazil.
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24
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Zucoloto AZ, Schlechte J, Ignacio A, Thomson CA, Pyke S, Yu IL, Geuking MB, McCoy KD, Yipp BG, Gillrie MR, McDonald B. Vascular traffic control of neutrophil recruitment to the liver by microbiota-endothelium crosstalk. Cell Rep 2023; 42:112507. [PMID: 37195866 DOI: 10.1016/j.celrep.2023.112507] [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: 11/21/2022] [Revised: 03/20/2023] [Accepted: 04/28/2023] [Indexed: 05/19/2023] Open
Abstract
During bloodstream infections, neutrophils home to the liver as part of an intravascular immune response to eradicate blood-borne pathogens, but the mechanisms regulating this crucial response are unknown. Using in vivo imaging of neutrophil trafficking in germ-free and gnotobiotic mice, we demonstrate that the intestinal microbiota guides neutrophil homing to the liver in response to infection mediated by the microbial metabolite D-lactate. Commensal-derived D-lactate augments neutrophil adhesion in the liver independent of granulopoiesis in bone marrow or neutrophil maturation and activation in blood. Instead, gut-to-liver D-lactate signaling primes liver endothelial cells to upregulate adhesion molecule expression in response to infection and promote neutrophil adherence. Targeted correction of microbiota D-lactate production in a model of antibiotic-induced dysbiosis restores neutrophil homing to the liver and reduces bacteremia in a model of Staphylococcus aureus infection. These findings reveal long-distance traffic control of neutrophil recruitment to the liver by microbiota-endothelium crosstalk.
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Affiliation(s)
- Amanda Z Zucoloto
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Jared Schlechte
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Aline Ignacio
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Carolyn A Thomson
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Shannon Pyke
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Ian-Ling Yu
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Markus B Geuking
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Microbiology, Immunology, and Infectious Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Kathy D McCoy
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Bryan G Yipp
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mark R Gillrie
- Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Microbiology, Immunology, and Infectious Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Braedon McDonald
- Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
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25
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Ng LG, Liu Z, Kwok I, Ginhoux F. Origin and Heterogeneity of Tissue Myeloid Cells: A Focus on GMP-Derived Monocytes and Neutrophils. Annu Rev Immunol 2023; 41:375-404. [PMID: 37126421 DOI: 10.1146/annurev-immunol-081022-113627] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Myeloid cells are a significant proportion of leukocytes within tissues, comprising granulocytes, monocytes, dendritic cells, and macrophages. With the identification of various myeloid cells that perform separate but complementary functions during homeostasis and disease, our understanding of tissue myeloid cells has evolved significantly. Exciting findings from transcriptomics profiling and fate-mapping mouse models have facilitated the identification of their developmental origins, maturation, and tissue-specific specializations. This review highlights the current understanding of tissue myeloid cells and the contributing factors of functional heterogeneity to better comprehend the complex and dynamic immune interactions within the healthy or inflamed tissue. Specifically, we discuss the new understanding of the contributions of granulocyte-monocyte progenitor-derived phagocytes to tissue myeloid cell heterogeneity as well as the impact of niche-specific factors on monocyte and neutrophil phenotype and function. Lastly, we explore the developing paradigm of myeloid cell heterogeneity during inflammation and disease.
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Affiliation(s)
- Lai Guan Ng
- Shanghai Immune Therapy Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, Singapore; ,
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Zhaoyuan Liu
- Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Immanuel Kwok
- Singapore Immunology Network (SIgN), ASTAR (Agency for Science, Technology and Research), Biopolis, Singapore; ,
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), ASTAR (Agency for Science, Technology and Research), Biopolis, Singapore; ,
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Institut Gustave Roussy, INSERM U1015, Villejuif, France
- Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore
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26
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Palomino-Segura M, Sicilia J, Ballesteros I, Hidalgo A. Strategies of neutrophil diversification. Nat Immunol 2023; 24:575-584. [PMID: 36959290 PMCID: PMC10139675 DOI: 10.1038/s41590-023-01452-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 02/03/2023] [Indexed: 03/25/2023]
Abstract
Neutrophils are formidable defenders. Their vast numbers, constant production, high cytotoxicity and capacity to produce extracellular traps, underlie their ability to efficiently protect in a microorganism-rich world. However, neutrophils are much more than immune sentinels, as evidenced by the expanding repertoire of functions discovered in the context of tissue homeostasis, regeneration or chronic pathologies. In this Perspective, we discuss general functional features of the neutrophil compartment that may be relevant in most, if not all, physiological scenarios in which they participate, including specialization in naïve tissues, transcriptional noise in the bloodstream as a potential strategy for diversification and functional bias in inflammatory sites. We intentionally present the reader with more questions than answers and propose models and approaches that we hope will shed new light onto the biology of these fascinating cells and spark new directions of research.
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Affiliation(s)
- Miguel Palomino-Segura
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain.
- Immunophysiology Research Group, Instituto Universitario de Investigación Biosanitaria de Extremadura (INUBE) and Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain.
| | - Jon Sicilia
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
| | - Iván Ballesteros
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain
| | - Andrés Hidalgo
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain.
- Vascular Biology and Therapeutics Program and Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA.
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27
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Sarden N, Yipp BG. Virus-associated fungal infections and lost immune resistance. Trends Immunol 2023; 44:305-318. [PMID: 36890064 DOI: 10.1016/j.it.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 03/08/2023]
Abstract
Invasive fungal infections are an increasing threat to human health. Of recent concern is the emergence of influenza- or SARS-CoV-2-virus-associated invasive fungal infections. Understanding acquired susceptibilities to fungi requires consideration of the collective and newly explored roles of adaptive, innate, and natural immunity. Neutrophils are known to provide host resistance, but new concepts are emerging that implicate innate antibodies, the actions of specialized B1 B cell subsets, and B cell-neutrophil crosstalk in mediating antifungal host resistance. Based on emerging evidence, we propose that virus infections impact on neutrophil and innate B cell resistance against fungi, leading to invasive infections. These concepts provide novel approaches to developing candidate therapeutics with the aim of restoring natural and humoral immunity and boosting neutrophil resistance against fungi.
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Affiliation(s)
- Nicole Sarden
- Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Bryan G Yipp
- Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
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28
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Hudock MR, Pinezich MR, Mir SM, Chen J, Bacchetta M, Vunjak-Novakovic G, Kim J. Emerging Imaging Modalities for Functional Assessment of Donor Lungs Ex Vivo. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2023; 25:100432. [PMID: 36778755 PMCID: PMC9913406 DOI: 10.1016/j.cobme.2022.100432] [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] [Indexed: 12/13/2022]
Abstract
The severe shortage of functional donor lungs that can be offered to recipients has been a major challenge in lung transplantation. Innovative ex vivo lung perfusion (EVLP) and tissue engineering methodologies are now being developed to repair damaged donor lungs that are deemed unsuitable for transplantation. To assess the efficacy of donor lung reconditioning methods intended to rehabilitate rejected donor lungs, monitoring of lung function with improved spatiotemporal resolution is needed. Recent developments in live imaging are enabling non-destructive, direct, and longitudinal modalities for assessing local tissue and whole lung functions. In this review, we describe how emerging live imaging modalities can be coupled with lung tissue engineering approaches to promote functional recovery of ex vivo donor lungs.
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Affiliation(s)
- Maria R. Hudock
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Meghan R. Pinezich
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Seyed Mohammad Mir
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Jiawen Chen
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
| | - Matthew Bacchetta
- Department of Cardiac Surgery, Vanderbilt University, Nashville, TN, USA
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
| | - Gordana Vunjak-Novakovic
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
- Department of Medicine, Columbia University, New York, NY, USA
| | - Jinho Kim
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA
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29
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Babes L, Yipp BG, Senger DL. Intravital Microscopy of the Metastatic Pulmonary Environment. Methods Mol Biol 2023; 2614:383-396. [PMID: 36587137 DOI: 10.1007/978-1-0716-2914-7_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Real-time in vivo imaging has become an integral tool for the investigation and understanding of cellular processes in health and disease at single-cell resolution. This includes the dynamic and complex cellular interactions that occur during cancer progression and the subsequent metastatic dissemination of tumor cells to sites distant from the primary tumor. Herein we outline the methodology for the establishment and intravital imaging of the pulmonary metastatic niche, a preferred site of metastasis for many cancers, and describe the implementation of a lung window to visualize and dissect the intricate behaviour of multiple cell types within this environment. We also address the advantages and limitations of this high-resolution technology.
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Affiliation(s)
- Liane Babes
- Lady Davis Institute for Medical Research, Montreal, QC, Canada
| | - Bryan George Yipp
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Critical Care, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Donna Lorraine Senger
- Lady Davis Institute for Medical Research, Montreal, QC, Canada. .,Gerald Bronfman Department of Oncology, McGill University, Montreal, QC, Canada.
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30
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Hall S, Faridi S, Trivedi P, Sultana S, Ray B, Myers T, Euodia I, Vlatten D, Castonguay M, Zhou J, Kelly M, Lehmann C. Selective CB 2 Receptor Agonist, HU-308, Reduces Systemic Inflammation in Endotoxin Model of Pneumonia-Induced Acute Lung Injury. Int J Mol Sci 2022; 23:ijms232415857. [PMID: 36555499 PMCID: PMC9779896 DOI: 10.3390/ijms232415857] [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: 10/25/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) and sepsis are risk factors contributing to mortality in patients with pneumonia. In ARDS, also termed acute lung injury (ALI), pulmonary immune responses lead to excessive pro-inflammatory cytokine release and aberrant alveolar neutrophil infiltration. Systemic spread of cytokines is associated with systemic complications including sepsis, multi-organ failure, and death. Thus, dampening pro-inflammatory cytokine release is a viable strategy to improve outcome. Activation of cannabinoid type II receptor (CB2) has been shown to reduce cytokine release in various in vivo and in vitro studies. Herein, we investigated the effect of HU-308, a specific CB2 agonist, on systemic and pulmonary inflammation in a model of pneumonia-induced ALI. C57Bl/6 mice received intranasal endotoxin or saline, followed by intravenous HU-308, dexamethasone, or vehicle. ALI was scored by histology and plasma levels of select inflammatory mediators were assessed by Luminex assay. Intravital microscopy (IVM) was performed to assess leukocyte adhesion and capillary perfusion in intestinal and pulmonary microcirculation. HU-308 and dexamethasone attenuated LPS-induced cytokine release and intestinal microcirculatory impairment. HU-308 modestly reduced ALI score, while dexamethasone abolished it. These results suggest administration of HU-308 can reduce systemic inflammation without suppressing pulmonary immune response in pneumonia-induced ALI and systemic inflammation.
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Affiliation(s)
- Stefan Hall
- Department of Physiology and Biophysics, Dalhousie University, Halifax, NS B3H 1X5, Canada
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Sufyan Faridi
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Purvi Trivedi
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Saki Sultana
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Bithika Ray
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Tanya Myers
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Irene Euodia
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - David Vlatten
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Mathieu Castonguay
- Department of Pathology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Juan Zhou
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Melanie Kelly
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Christian Lehmann
- Department of Physiology and Biophysics, Dalhousie University, Halifax, NS B3H 1X5, Canada
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Correspondence:
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31
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Locally organised and activated Fth1 hi neutrophils aggravate inflammation of acute lung injury in an IL-10-dependent manner. Nat Commun 2022; 13:7703. [PMID: 36513690 PMCID: PMC9745290 DOI: 10.1038/s41467-022-35492-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a common respiratory critical syndrome with no effective therapeutic intervention. Neutrophils function in the overwhelming inflammatory process of acute lung injury (ALI) caused by ARDS; however, the phenotypic heterogeneity of pulmonary neutrophils in ALI/ARDS remains largely unknown. Here, using single-cell RNA sequencing, we identify two transcriptionally and functionally heterogeneous neutrophil populations (Fth1hi Neu and Prok2hi Neu) with distinct locations in LPS-induced ALI mouse lungs. Exposure to LPS promotes the Fth1hi Neu subtype, with more inflammatory factors, stronger antioxidant, and decreased apoptosis under the regulation of interleukin-10. Furthermore, prolonged retention of Fth1hi Neu within lung tissue aggravates inflammatory injury throughout the development of ALI/ARDS. Notably, ARDS patients have high ratios of Fth1 to Prok2 expression in pulmonary neutrophils, suggesting that the Fth1hi Neu population may promote the pathological development and provide a marker of poor outcome.
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32
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Sarden N, Sinha S, Potts KG, Pernet E, Hiroki CH, Hassanabad MF, Nguyen AP, Lou Y, Farias R, Winston BW, Bromley A, Snarr BD, Zucoloto AZ, Andonegui G, Muruve DA, McDonald B, Sheppard DC, Mahoney DJ, Divangahi M, Rosin N, Biernaskie J, Yipp BG. A B1a-natural IgG-neutrophil axis is impaired in viral- and steroid-associated aspergillosis. Sci Transl Med 2022; 14:eabq6682. [PMID: 36475902 DOI: 10.1126/scitranslmed.abq6682] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The lung naturally resists Aspergillus fumigatus (Af) in healthy individuals, but multiple conditions can disrupt this resistance, leading to lethal invasive infections. Core processes of natural resistance and its breakdown are undefined. We investigated three distinct conditions predisposing to lethal aspergillosis-severe SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) infection, influenza A viral pneumonia, and systemic corticosteroid use-in human patients and murine models. We found a conserved and essential coupling of innate B1a lymphocytes, Af-binding natural immunoglobulin G antibodies, and lung neutrophils. Failure of this axis concealed Af from neutrophils, allowing rapid fungal invasion and disease. Reconstituting the axis with immunoglobulin therapy reestablished resistance, thus representing a realistic pathway to repurpose currently available therapies. Together, we report a vital host resistance pathway that is responsible for protecting against life-threatening aspergillosis in the context of distinct susceptibilities.
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Affiliation(s)
- Nicole Sarden
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Sarthak Sinha
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Kyle G Potts
- Arnie Charbonneau Cancer Institute, Departments of Biochemistry and Molecular Biology and Microbiology, Immunology, and Infectious Diseases, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Erwan Pernet
- Meakins-Christie Laboratories, Departments of Medicine and Pathology, McGill International TB Centre, McGill University, Montreal, QC H4A 3JI, Canada.,Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 2B4, Canada
| | - Carlos H Hiroki
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Mortaza F Hassanabad
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Angela P Nguyen
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Yuefei Lou
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Raquel Farias
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Brent W Winston
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Amy Bromley
- Department of Pathology and Laboratory Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Brendan D Snarr
- Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 2B4, Canada
| | - Amanda Z Zucoloto
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Graciela Andonegui
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Daniel A Muruve
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Braedon McDonald
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Donald C Sheppard
- Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 2B4, Canada.,Division of Infectious Diseases and Department of Medical Microbiology, McGill University Health Centre, Montreal, QC H4A 3JI, Canada
| | - Douglas J Mahoney
- Arnie Charbonneau Cancer Institute, Departments of Biochemistry and Molecular Biology and Microbiology, Immunology, and Infectious Diseases, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Maziar Divangahi
- Meakins-Christie Laboratories, Departments of Medicine and Pathology, McGill International TB Centre, McGill University, Montreal, QC H4A 3JI, Canada.,Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 2B4, Canada
| | - Nicole Rosin
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Jeff Biernaskie
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Bryan G Yipp
- Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada.,Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
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33
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Shepherd HM, Gauthier JM, Terada Y, Li W, Krupnick AS, Gelman AE, Kreisel D. Updated Views on Neutrophil Responses in Ischemia-Reperfusion Injury. Transplantation 2022; 106:2314-2324. [PMID: 35749228 PMCID: PMC9712152 DOI: 10.1097/tp.0000000000004221] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Ischemia-reperfusion injury is an inevitable event during organ transplantation and represents a primary risk factor for the development of early graft dysfunction in lung, heart, liver, and kidney transplant recipients. Recent studies have implicated recipient neutrophils as key mediators of this process and also have found that early innate immune responses after transplantation can ultimately augment adaptive alloimmunity and affect late graft outcomes. Here, we discuss signaling pathways involved in neutrophil recruitment and activation after ischemia-mediated graft injury in solid organ transplantation with an emphasis on lung allografts, which have been the focus of recent studies. These findings suggest novel therapeutic interventions that target ischemia-reperfusion injury-mediated graft dysfunction in transplant recipients.
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Affiliation(s)
- Hailey M. Shepherd
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
| | - Jason M. Gauthier
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
| | - Yuriko Terada
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
| | - Wenjun Li
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
| | | | - Andrew E. Gelman
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO
| | - Daniel Kreisel
- Department of Surgery, Washington University School of Medicine, Saint Louis, MO
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO
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34
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Abstract
Coronavirus disease 2019 (COVID-19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has resulted in more than 6 million deaths worldwide. COVID-19 is a respiratory disease characterized by pulmonary dysfunction leading to acute respiratory distress syndrome (ARDs), as well as disseminated coagulation, and multi-organ dysfunction. Neutrophils and neutrophil extracellular traps (NETs) have been implicated in the pathogenesis of COVID-19. In this review, we highlight key gaps in knowledge, discuss the heterogeneity of neutrophils during the evolution of the disease, how they can contribute to COVID-19 pathogenesis, and potential therapeutic strategies that target neutrophil-mediated inflammatory responses.
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Affiliation(s)
- Fernanda V. S. Castanheira
- Department of Physiology and PharmacologyUniversity of CalgaryCalgaryAlbertaCanada,Department of Microbiology, Immunology and InfectiousUniversity of CalgaryCalgaryAlbertaCanada,Snyder Institute for Chronic DiseasesUniversity of CalgaryCalgaryAlbertaCanada
| | - Paul Kubes
- Department of Physiology and PharmacologyUniversity of CalgaryCalgaryAlbertaCanada,Department of Microbiology, Immunology and InfectiousUniversity of CalgaryCalgaryAlbertaCanada,Snyder Institute for Chronic DiseasesUniversity of CalgaryCalgaryAlbertaCanada
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35
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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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36
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Immunosuppressive lung neutrophils. Blood 2022; 140:802-803. [PMID: 36006676 DOI: 10.1182/blood.2022017345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/20/2022] [Indexed: 11/20/2022] Open
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37
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Hoffmann ALC, Hauck SM, Deeg CA, Degroote RL. Pre-Activated Granulocytes from an Autoimmune Uveitis Model Show Divergent Pathway Activation Profiles upon IL8 Stimulation In Vitro. Int J Mol Sci 2022; 23:ijms23179555. [PMID: 36076947 PMCID: PMC9455241 DOI: 10.3390/ijms23179555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/25/2022] Open
Abstract
In the pathophysiology of autoimmune-mediated uveitis, granulocytes have emerged as possible disease mediators and were shown to be pre-activated in equine recurrent uveitis (ERU), a spontaneous disease model. We therefore used granulocytes from ERU horses to identify early molecular mechanisms involved in this dysregulated innate immune response. Primary granulocytes from healthy and ERU horses were stimulated with IL8, and cellular response was analyzed with differential proteomics, which revealed significant differences in protein abundance of 170 proteins in ERU. Subsequent ingenuity pathway analysis identified three activated canonical pathways “PKA signaling”, “PTEN signaling” and “leukocyte extravasation”. Clustered to the leukocyte extravasation pathway, we found the membrane-type GPI-anchored protease MMP25, which was increased in IL8 stimulated ERU granulocytes. These findings point to MMP25 as a possible regulator of granulocyte extravasation in uveitis and a role of this molecule in the impaired integrity of the blood-retina-barrier. In conclusion, our analyses show a clearly divergent reaction profile of pre-activated granulocytes upon IL8 stimulation and provide basic information for further in-depth studies on early granulocyte activation in non-infectious ocular diseases. This may be of interest for the development of new approaches in uveitis diagnostics and therapy. Raw data are available via ProteomeXchange with identifier PXD013648.
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Affiliation(s)
- Anne L. C. Hoffmann
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany
| | - Stefanie M. Hauck
- Research Unit Protein Science, Helmholtz Center Munich, German Research Center for Environmental Health, D-80939 Munich, Germany
| | - Cornelia A. Deeg
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany
| | - Roxane L. Degroote
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, D-82152 Martinsried, Germany
- Correspondence:
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38
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Mifflin KA, Brennan FH, Guan Z, Kigerl KA, Filous AR, Mo X, Schwab JM, Popovich PG. Spinal Cord Injury Impairs Lung Immunity in Mice. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:157-170. [PMID: 35697382 PMCID: PMC9246940 DOI: 10.4049/jimmunol.2200192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/22/2022] [Indexed: 06/15/2023]
Abstract
Pulmonary infection is a leading cause of morbidity and mortality after spinal cord injury (SCI). Although SCI causes atrophy and dysfunction in primary and secondary lymphoid tissues with a corresponding decrease in the number and function of circulating leukocytes, it is unknown whether this SCI-dependent systemic immune suppression also affects the unique tissue-specific antimicrobial defense mechanisms that protect the lung. In this study, we tested the hypothesis that SCI directly impairs pulmonary immunity and subsequently increases the risk for developing pneumonia. Using mouse models of severe high-level SCI, we find that recruitment of circulating leukocytes and transcriptional control of immune signaling in the lung is impaired after SCI, creating an environment that is permissive for infection. Specifically, we saw a sustained loss of pulmonary leukocytes, a loss of alveolar macrophages at chronic time points postinjury, and a decrease in immune modulatory genes, especially cytokines, needed to eliminate pulmonary infections. Importantly, this injury-dependent impairment of pulmonary antimicrobial defense is only partially overcome by boosting the recruitment of immune cells to the lung with the drug AMD3100, a Food and Drug Administration-approved drug that mobilizes leukocytes and hematopoietic stem cells from bone marrow. Collectively, these data indicate that the immune-suppressive effects of SCI extend to the lung, a unique site of mucosal immunity. Furthermore, preventing lung infection after SCI will likely require novel strategies, beyond the use of orthodox antibiotics, to reverse or block tissue-specific cellular and molecular determinants of pulmonary immune surveillance.
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Affiliation(s)
- Katherine A Mifflin
- Department of Neuroscience, The Ohio State University, Columbus, OH
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
| | - Faith H Brennan
- Department of Neuroscience, The Ohio State University, Columbus, OH
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
| | - Zhen Guan
- Department of Neuroscience, The Ohio State University, Columbus, OH
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
| | - Kristina A Kigerl
- Department of Neuroscience, The Ohio State University, Columbus, OH
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
| | - Angela R Filous
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
- Department of Neurology, The Ohio State University, Wexner Medical Center, Columbus, OH; and
| | - Xiaokui Mo
- Department of Biomedical Informatics, The Ohio State University, Center for Biostatistics, Columbus, OH
| | - Jan M Schwab
- Department of Neuroscience, The Ohio State University, Columbus, OH
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
- Department of Neurology, The Ohio State University, Wexner Medical Center, Columbus, OH; and
| | - Phillip G Popovich
- Department of Neuroscience, The Ohio State University, Columbus, OH;
- Belford Center for Spinal Cord Injury, The Ohio State University, Columbus, OH
- Center for Brain and Spinal Cord Repair, The Ohio State University, Columbus, OH
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39
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Schmid F, Chao CM, Däbritz J. Pathophysiological Concepts and Management of Pulmonary Manifestation of Pediatric Inflammatory Bowel Disease. Int J Mol Sci 2022; 23:ijms23137287. [PMID: 35806292 PMCID: PMC9266732 DOI: 10.3390/ijms23137287] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 06/28/2022] [Accepted: 06/28/2022] [Indexed: 02/01/2023] Open
Abstract
Pulmonary manifestation (PM) of inflammatory bowel disease (IBD) in children is a rare condition. The exact pathogenesis is still unclear, but several explanatory concepts were postulated and several case reports in children were published. We performed a systematic Medline search between April 1976 and April 2022. Different pathophysiological concepts were identified, including the shared embryological origin, “miss-homing” of intestinal based neutrophils and T lymphocytes, inflammatory triggering via certain molecules (tripeptide proline-glycine-proline, interleukin 25), genetic factors and alterations in the microbiome. Most pediatric IBD patients with PM are asymptomatic, but can show alterations in pulmonary function tests and breathing tests. In children, the pulmonary parenchyma is more affected than the airways, leading histologically mainly to organizing pneumonia. Medication-associated lung injury has to be considered in pulmonary symptomatic pediatric IBD patients treated with certain agents (i.e., mesalamine, sulfasalazine or infliximab). Furthermore, the risk of pulmonary embolism is generally increased in pediatric IBD patients. The initial treatment of PM is based on corticosteroids, either inhaled for the larger airways or systemic for smaller airways and parenchymal disease. In summary, this review article summarizes the current knowledge about PM in pediatric IBD patients, focusing on pathophysiological and clinical aspects.
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Affiliation(s)
- Florian Schmid
- Catholic Children’s Hospital Wilhelmstift, 22149 Hamburg, Germany;
| | - Cho-Ming Chao
- Department of Pediatrics, University Medical Center Rostock, 18057 Rostock, Germany;
- Cardio-Pulmonary Institute (CPI), University of Giessen and Marburg Lung Center (UGMLC), German Center of Lung Research (DZL), Justus-Liebig-University, 35398 Giessen, Germany
| | - Jan Däbritz
- Department of Pediatrics, University Medical Center Greifswald, 17475 Greifswald, Germany
- Correspondence:
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40
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Shim HB, Deniset JF, Kubes P. Neutrophils in homeostasis and tissue repair. Int Immunol 2022; 34:399-407. [PMID: 35752158 DOI: 10.1093/intimm/dxac029] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/25/2022] [Indexed: 11/13/2022] Open
Abstract
Neutrophils are the most abundant innate immune cell and are equipped with highly destructive molecular cargo. As such, these cells were long thought to be short-lived killer cells that unleash their full cytotoxic programs on pathogens following infection and on host bystander cells after sterile injury. However, this view of neutrophils is overly simplistic and as a result is outdated. Numerous studies now collectively highlight neutrophils as far more complex and having a host of homeostatic and tissue-reparative functions. In this review, we summarize these underappreciated roles across organs and injury models.
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Affiliation(s)
- Hanjoo Brian Shim
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
| | - Justin F Deniset
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada.,Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada.,Libin Cardiovascular Institute, University of Calgary, Calgary, Alberta, Canada
| | - Paul Kubes
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
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41
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Palominos MF, Calfún C, Nardocci G, Candia D, Torres-Paz J, Whitlock KE. The Olfactory Organ Is a Unique Site for Neutrophils in the Brain. Front Immunol 2022; 13:881702. [PMID: 35693773 PMCID: PMC9186071 DOI: 10.3389/fimmu.2022.881702] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/11/2022] [Indexed: 12/25/2022] Open
Abstract
In the vertebrate olfactory tract new neurons are continuously produced throughout life. It is widely believed that neurogenesis contributes to learning and memory and can be regulated by immune signaling molecules. Proteins originally identified in the immune system have subsequently been localized to the developing and adult nervous system. Previously, we have shown that olfactory imprinting, a specific type of long-term memory, is correlated with a transcriptional response in the olfactory organs that include up-regulation of genes associated with the immune system. To better understand the immune architecture of the olfactory organs we made use of cell-specific fluorescent reporter lines in dissected, intact adult brains of zebrafish to examine the association of the olfactory sensory neurons with neutrophils and blood-lymphatic vasculature. Surprisingly, the olfactory organs contained the only neutrophil populations observed in the brain; these neutrophils were localized in the neural epithelia and were associated with the extensive blood vasculature of the olfactory organs. Damage to the olfactory epithelia resulted in a rapid increase of neutrophils both within the olfactory organs as well as the central nervous system. Analysis of cell division during and after damage showed an increase in BrdU labeling in the neural epithelia and a subset of the neutrophils. Our results reveal a unique population of neutrophils in the olfactory organs that are associated with both the olfactory epithelia and the lymphatic vasculature suggesting a dual olfactory-immune function for this unique sensory system.
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Affiliation(s)
- M Fernanda Palominos
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Valparaíso, Chile.,Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
| | - Cristian Calfún
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Valparaíso, Chile.,Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
| | - Gino Nardocci
- Faculty of Medicine, Center for Biomedical Research and Innovation (CIIB), Universidad de los Andes, Santiago, Chile.,IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Danissa Candia
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Valparaíso, Chile.,Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
| | - Jorge Torres-Paz
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Valparaíso, Chile.,Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
| | - Kathleen E Whitlock
- Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Universidad de Valparaíso, Valparaíso, Chile.,Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
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42
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Margraf A, Perretti M. Immune Cell Plasticity in Inflammation: Insights into Description and Regulation of Immune Cell Phenotypes. Cells 2022; 11:cells11111824. [PMID: 35681519 PMCID: PMC9180515 DOI: 10.3390/cells11111824] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
Inflammation is a life-saving immune reaction occurring in response to invading pathogens. Nonetheless, inflammation can also occur in an uncontrolled, unrestricted manner, leading to chronic disease and organ damage. Mechanisms triggering an inflammatory response, hindering such a response, or leading to its resolution are well-studied but so far insufficiently elucidated with regard to precise therapeutic interventions. Notably, as an immune reaction evolves, requirements and environments for immune cells change, and thus cellular phenotypes adapt and shift, leading to the appearance of distinct cellular subpopulations with new functional features. In this article, we aim to highlight properties of, and overarching regulatory factors involved in, the occurrence of immune cell phenotypes with a special focus on neutrophils, macrophages and platelets. Additionally, we point out implications for both diagnostics and therapeutics in inflammation research.
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43
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Wen SW, Shim R, Hall P, Bedo J, Wilson JL, Nicholls AJ, Hickey MJ, Wong CHY. Lung Imaging Reveals Stroke-Induced Impairment in Pulmonary Intravascular Neutrophil Function, a Response Exacerbated with Aging. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:2019-2028. [PMID: 35365565 DOI: 10.4049/jimmunol.2100997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 02/05/2022] [Indexed: 06/14/2023]
Abstract
In stroke patients, infection is a significant contributor to morbidity and mortality. Moreover, older stroke patients show an increased risk of developing stroke-associated infection, although the mechanisms underlying this increased susceptibility to infection are unknown. In this study, using an experimental mouse model of ischemic stroke, we showed that older (12-15 mo of age) mice had elevated lung bacterial infection and inflammatory damage after stroke when compared with young (8-10 wk of age) counterparts, despite undergoing the same degree of brain injury. Intravital microscopy of the lung microvasculature revealed that in younger mice, stroke promoted neutrophil arrest in pulmonary microvessels, but this response was not seen in older poststroke mice. In addition, bacterial phagocytosis by neutrophils in the lung microvasculature was reduced by both aging and stroke, such that neutrophils in aged poststroke mice showed the greatest impairment in this function. Analysis of neutrophil migration in vitro and in the cremaster muscle demonstrated that stroke alone did not negatively impact neutrophil migration, but that the combination of increased age and stroke led to reduced effectiveness of neutrophil chemotaxis. Transcriptomic analysis of pulmonary neutrophils using RNA sequencing identified 79 genes that were selectively altered in the context of combined aging and stroke, and they were associated with pathways that control neutrophil chemotaxis. Taken together, the findings of this study show that stroke in older animals results in worsening of neutrophil antibacterial responses and changes in neutrophil gene expression that have the potential to underpin elevated risk of stroke-associated infection in the context of increased age.
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Affiliation(s)
- Shu Wen Wen
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Raymond Shim
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Pam Hall
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Justin Bedo
- Bioinformatics Division, Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; and
- School of Computing and Information Systems, The University of Melbourne, Parkville, Victoria, Australia
| | - Jenny L Wilson
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Alyce J Nicholls
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Michael J Hickey
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia
| | - Connie H Y Wong
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Clayton, Victoria, Australia;
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44
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Margraf A, Lowell CA, Zarbock A. Neutrophils in acute inflammation: current concepts and translational implications. Blood 2022; 139:2130-2144. [PMID: 34624098 PMCID: PMC9728535 DOI: 10.1182/blood.2021012295] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 10/05/2021] [Indexed: 12/14/2022] Open
Abstract
Modulation of neutrophil recruitment and function is crucial for targeting inflammatory cells to sites of infection to combat invading pathogens while, at the same time, limiting host tissue injury or autoimmunity. The underlying mechanisms regulating recruitment of neutrophils, 1 of the most abundant inflammatory cells, have gained increasing interest over the years. The previously described classical recruitment cascade of leukocytes has been extended to include capturing, rolling, adhesion, crawling, and transmigration, as well as a reverse-transmigration step that is crucial for balancing immune defense and control of remote organ endothelial leakage. Current developments in the field emphasize the importance of cellular interplay, tissue environmental cues, circadian rhythmicity, detection of neutrophil phenotypes, differential chemokine sensing, and contribution of distinct signaling components to receptor activation and integrin conformations. The use of therapeutics modulating neutrophil activation responses, as well as mutations causing dysfunctional neutrophil receptors and impaired signaling cascades, have been defined in translational animal models. Human correlates of such mutations result in increased susceptibility to infections or organ damage. This review focuses on current advances in the understanding of the regulation of neutrophil recruitment and functionality and translational implications of current discoveries in the field with a focus on acute inflammation and sepsis.
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Affiliation(s)
- Andreas Margraf
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Muenster, Muenster, Germany
- William Harvey Research Institute, Bart's and the London School of Medicine, Queen Mary University of London, London, United Kingdom
| | - Clifford A. Lowell
- Department of Laboratory Medicine, University of California, San Francisco
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Muenster, Muenster, Germany
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45
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Specific NLRP3 Inflammasome Assembling and Regulation in Neutrophils: Relevance in Inflammatory and Infectious Diseases. Cells 2022; 11:cells11071188. [PMID: 35406754 PMCID: PMC8997905 DOI: 10.3390/cells11071188] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/27/2022] [Accepted: 03/30/2022] [Indexed: 12/14/2022] Open
Abstract
The NLRP3 inflammasome is a cytosolic multimeric protein platform that leads to the activation of the protease zymogen, caspase-1 (CASP1). Inflammasome activation mediates the proteolytic activation of pro-inflammatory cytokines (IL-1β and IL-18) and program cell death called pyroptosis. The pyroptosis is mediated by the protein executioner Gasdermin D (GSDMD), which forms pores at the plasma membrane to facilitate IL-1β/IL-18 secretion and causes pyroptosis. The NLRP3 inflammasome is activated in response to a large number of pathogenic and sterile insults. However, an uncontrolled inflammasome activation may drive inflammation-associated diseases. Initially, inflammasome-competent cells were believed to be limited to macrophages, dendritic cells (DC), and monocytes. However, emerging evidence indicates that neutrophils can assemble inflammasomes in response to various stimuli with functional relevance. Interestingly, the regulation of inflammasome in neutrophils appears to be unconventional. This review provides a broad overview of the role and regulation of inflammasomes—and more specifically NLRP3—in neutrophils.
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46
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Bachmaier K, Stuart A, Singh A, Mukhopadhyay A, Chakraborty S, Hong Z, Wang L, Tsukasaki Y, Maienschein-Cline M, Ganesh BB, Kanteti P, Rehman J, Malik AB. Albumin Nanoparticle Endocytosing Subset of Neutrophils for Precision Therapeutic Targeting of Inflammatory Tissue Injury. ACS NANO 2022; 16:4084-4101. [PMID: 35230826 PMCID: PMC8945372 DOI: 10.1021/acsnano.1c09762] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 02/23/2022] [Indexed: 05/30/2023]
Abstract
The complex involvement of neutrophils in inflammatory diseases makes them intriguing but challenging targets for therapeutic intervention. Here, we tested the hypothesis that varying endocytosis capacities would delineate functionally distinct neutrophil subpopulations that could be specifically targeted for therapeutic purposes. By using uniformly sized (∼120 nm in diameter) albumin nanoparticles (ANP) to characterize mouse neutrophils in vivo, we found two subsets of neutrophils, one that readily endocytosed ANP (ANPhigh neutrophils) and another that failed to endocytose ANP (ANPlow population). These ANPhigh and ANPlow subsets existed side by side simultaneously in bone marrow, peripheral blood, spleen, and lungs, both under basal conditions and after inflammatory challenge. Human peripheral blood neutrophils showed a similar duality. ANPhigh and ANPlow neutrophils had distinct cell surface marker expression and transcriptomic profiles, both in naive mice and in mice after endotoxemic challenge. ANPhigh and ANPlow neutrophils were functionally distinct in their capacities to kill bacteria and to produce inflammatory mediators. ANPhigh neutrophils produced inordinate amounts of reactive oxygen species and inflammatory chemokines and cytokines. Targeting this subset with ANP loaded with the drug piceatannol, a spleen tyrosine kinase (Syk) inhibitor, mitigated the effects of polymicrobial sepsis by reducing tissue inflammation while fully preserving neutrophilic host-defense function.
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Affiliation(s)
- Kurt Bachmaier
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
- Nano
Biotherapeutics, Inc., 2201 West Campbell Park Drive, Chicago, Illinois 60612, United States
| | - Andrew Stuart
- Nano
Biotherapeutics, Inc., 2201 West Campbell Park Drive, Chicago, Illinois 60612, United States
| | - Abhalaxmi Singh
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
- Nano
Biotherapeutics, Inc., 2201 West Campbell Park Drive, Chicago, Illinois 60612, United States
| | - Amitabha Mukhopadhyay
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
| | - Sreeparna Chakraborty
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
| | - Zhigang Hong
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
| | - Li Wang
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
- Division
of Cardiology, Department of Medicine, The
University of Illinois College of Medicine, Chicago, Illinois 60612, United States
| | - Yoshikazu Tsukasaki
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
| | - Mark Maienschein-Cline
- Research
Resources Center, University of Illinois
at Chicago, Chicago, Illinois 60612, United States
| | - Balaji B. Ganesh
- Research
Resources Center, University of Illinois
at Chicago, Chicago, Illinois 60612, United States
| | - Prasad Kanteti
- Nano
Biotherapeutics, Inc., 2201 West Campbell Park Drive, Chicago, Illinois 60612, United States
| | - Jalees Rehman
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
- Division
of Cardiology, Department of Medicine, The
University of Illinois College of Medicine, Chicago, Illinois 60612, United States
| | - Asrar B. Malik
- Department
of Pharmacology and Regenerative Medicine and the Center for Lung
and Vascular Biology, The University of
Illinois College of Medicine, E403, 835 South Wolcott Avenue, Chicago, Illinois 60612, United States
- Nano
Biotherapeutics, Inc., 2201 West Campbell Park Drive, Chicago, Illinois 60612, United States
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47
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Ferguson LT, Hood ED, Shuvaeva T, Shuvaev VV, Basil MC, Wang Z, Nong J, Ma X, Wu J, Myerson JW, Marcos-Contreras OA, Katzen J, Carl JM, Morrisey EE, Cantu E, Villa CH, Mitragotri S, Muzykantov VR, Brenner JS. Dual Affinity to RBCs and Target Cells (DART) Enhances Both Organ- and Cell Type-Targeting of Intravascular Nanocarriers. ACS NANO 2022; 16:4666-4683. [PMID: 35266686 PMCID: PMC9339245 DOI: 10.1021/acsnano.1c11374] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
A long-standing goal of nanomedicine is to improve a drug's benefit by loading it into a nanocarrier that homes solely to a specific target cell and organ. Unfortunately, nanocarriers usually end up with only a small percentage of the injected dose (% ID) in the target organ, due largely to clearance by the liver and spleen. Further, cell-type-specific targeting is rarely achieved without reducing target organ accumulation. To solve these problems, we introduce DART (dual affinity to RBCs and target cells), in which nanocarriers are conjugated to two affinity ligands, one binding red blood cells and one binding a target cell (here, pulmonary endothelial cells). DART nanocarriers first bind red blood cells and then transfer to the target organ's endothelial cells as the bound red blood cells squeeze through capillaries. We show that within minutes after intravascular injection in mice nearly 70% ID of DART nanocarriers accumulate in the target organ (lungs), more than doubling the % ID ceiling achieved by a multitude of prior technologies, finally achieving a majority % ID in a target organ. Humanized DART nanocarriers in ex vivo perfused human lungs recapitulate this phenomenon. Furthermore, DART enhances the selectivity of delivery to target endothelial cells over local phagocytes within the target organ by 6-fold. DART's marked improvement in both organ- and cell-type targeting may thus be helpful in localizing drugs for a multitude of medical applications.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Samir Mitragotri
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts 02138, United States
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Günes Günsel G, Conlon TM, Jeridi A, Kim R, Ertüz Z, Lang NJ, Ansari M, Novikova M, Jiang D, Strunz M, Gaianova M, Hollauer C, Gabriel C, Angelidis I, Doll S, Pestoni JC, Edelmann SL, Kohlhepp MS, Guillot A, Bassler K, Van Eeckhoutte HP, Kayalar Ö, Konyalilar N, Kanashova T, Rodius S, Ballester-López C, Genes Robles CM, Smirnova N, Rehberg M, Agarwal C, Krikki I, Piavaux B, Verleden SE, Vanaudenaerde B, Königshoff M, Dittmar G, Bracke KR, Schultze JL, Watz H, Eickelberg O, Stoeger T, Burgstaller G, Tacke F, Heissmeyer V, Rinkevich Y, Bayram H, Schiller HB, Conrad M, Schneider R, Yildirim AÖ. The arginine methyltransferase PRMT7 promotes extravasation of monocytes resulting in tissue injury in COPD. Nat Commun 2022; 13:1303. [PMID: 35288557 PMCID: PMC8921220 DOI: 10.1038/s41467-022-28809-4] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/01/2022] [Indexed: 12/13/2022] Open
Abstract
Extravasation of monocytes into tissue and to the site of injury is a fundamental immunological process, which requires rapid responses via post translational modifications (PTM) of proteins. Protein arginine methyltransferase 7 (PRMT7) is an epigenetic factor that has the capacity to mono-methylate histones on arginine residues. Here we show that in chronic obstructive pulmonary disease (COPD) patients, PRMT7 expression is elevated in the lung tissue and localized to the macrophages. In mouse models of COPD, lung fibrosis and skin injury, reduced expression of PRMT7 associates with decreased recruitment of monocytes to the site of injury and hence less severe symptoms. Mechanistically, activation of NF-κB/RelA in monocytes induces PRMT7 transcription and consequential mono-methylation of histones at the regulatory elements of RAP1A, which leads to increased transcription of this gene that is responsible for adhesion and migration of monocytes. Persistent monocyte-derived macrophage accumulation leads to ALOX5 over-expression and accumulation of its metabolite LTB4, which triggers expression of ACSL4 a ferroptosis promoting gene in lung epithelial cells. Conclusively, inhibition of arginine mono-methylation might offer targeted intervention in monocyte-driven inflammatory conditions that lead to extensive tissue damage if left untreated.
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Affiliation(s)
- Gizem Günes Günsel
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Thomas M Conlon
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Aicha Jeridi
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Rinho Kim
- Institute of Functional Epigenetics, Helmholtz Munich, 85764, Munich, Germany
| | - Zeynep Ertüz
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Niklas J Lang
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Meshal Ansari
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
- Institute of Computational Biology, Helmholtz Munich, 85764, Munich, Germany
| | - Mariia Novikova
- Institute of Metabolism and Cell Death, Helmholtz Munich, 85764, Munich, Germany
- Pirogov Russian National Research Medical University, Laboratory of Experimental Oncology, Ostrovityanova 1, Moscow, 117997, Russia
- Federal Center of Brain Research and Neurotechnologies, Federal Medical Biological Agency, Ostrovityanova1 bldg 10, 117997, Moscow, Russia
| | - Dongsheng Jiang
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Maximilian Strunz
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Mariia Gaianova
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Christine Hollauer
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Christina Gabriel
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Ilias Angelidis
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Sebastian Doll
- Institute of Computational Biology, Helmholtz Munich, 85764, Munich, Germany
| | - Jeanine C Pestoni
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Stephanie L Edelmann
- Research Unit Molecular Immune Regulation, Helmholtz Munich, 81377, Munich, Germany
| | - Marlene Sophia Kohlhepp
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), 13353, Berlin, Germany
| | - Adrien Guillot
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), 13353, Berlin, Germany
| | - Kevin Bassler
- Department for Genomics & Immunoregulation, LIMES-Institute, University of Bonn, 53115, Bonn, Germany
- aimed analytics, 53121, Bonn, Germany
| | - Hannelore P Van Eeckhoutte
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University, University Hospital Ghent, 9000, Ghent, Belgium
| | - Özgecan Kayalar
- Koç University Research Center for Translational Medicine (KUTTAM), 34010, Istanbul, Turkey
| | - Nur Konyalilar
- Koç University Research Center for Translational Medicine (KUTTAM), 34010, Istanbul, Turkey
| | - Tamara Kanashova
- Max-Delbrück Center for Molecular Medicine, 13125, Berlin, Germany
| | - Sophie Rodius
- Proteomics of cellular signalling, Luxembourg Institute of Health, 1272, Strassen, Luxembourg
| | - Carolina Ballester-López
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | | | - Natalia Smirnova
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado, Denver, CO, 80045, USA
| | - Markus Rehberg
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Charu Agarwal
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Ioanna Krikki
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Benoit Piavaux
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, 25242, Vestec, Czech Republic
| | - Stijn E Verleden
- Division of Pneumology, KU Leuven, 3000, Leuven, Belgium
- Antwerp Surgical Training, Anatomy and Research Centre, University of Antwerp, 2650, Edegem, Belgium
| | | | - Melanie Königshoff
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Gunnar Dittmar
- Proteomics of cellular signalling, Luxembourg Institute of Health, 1272, Strassen, Luxembourg
- Faculty of Science, Technology and Medicine, University of Luxembourg, L-4365, Esch-sur-Alzette, Luxembourg
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University, University Hospital Ghent, 9000, Ghent, Belgium
| | - Joachim L Schultze
- Department for Genomics & Immunoregulation, LIMES-Institute, University of Bonn, 53115, Bonn, Germany
- Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE) e.V., PRECISE Platform for Single Cell Genomics and Epigenomics at DZNE and the University of Bonn, 53115, Bonn, Germany
| | - Henrik Watz
- Pulmonary Research Institute at LungenClinic Grosshansdorf, Airway Research Center North (ARCN), German Center for Lung Research (DZL), 22927, Grosshansdorf, Germany
| | - Oliver Eickelberg
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Tobias Stoeger
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Gerald Burgstaller
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Frank Tacke
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), 13353, Berlin, Germany
| | - Vigo Heissmeyer
- Research Unit Molecular Immune Regulation, Helmholtz Munich, 81377, Munich, Germany
- Institute for Immunology, Biomedical Center, Faculty of Medicine, Ludwig-Maximilians-Universität in Munich, 82152, Planegg-Martinsried, Germany
| | - Yuval Rinkevich
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Hasan Bayram
- Koç University Research Center for Translational Medicine (KUTTAM), 34010, Istanbul, Turkey
| | - Herbert B Schiller
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany
| | - Marcus Conrad
- Institute of Metabolism and Cell Death, Helmholtz Munich, 85764, Munich, Germany
- Pirogov Russian National Research Medical University, Laboratory of Experimental Oncology, Ostrovityanova 1, Moscow, 117997, Russia
| | - Robert Schneider
- Institute of Functional Epigenetics, Helmholtz Munich, 85764, Munich, Germany
| | - Ali Önder Yildirim
- Institute of Lung Health and Immunity (LHI), Comprehensive Pneumology Center (CPC), Helmholtz Munich, Member of the German Center for Lung Research (DZL), 85764, Munich, Germany.
- Koç University Research Center for Translational Medicine (KUTTAM), 34010, Istanbul, Turkey.
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Necroptosis triggers spatially restricted neutrophil-mediated vascular damage during lung ischemia reperfusion injury. Proc Natl Acad Sci U S A 2022; 119:e2111537119. [PMID: 35238643 PMCID: PMC8917381 DOI: 10.1073/pnas.2111537119] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Intravital imaging, oxidative lipidomics, and a transplant model were used to define mechanisms that regulate neutrophil recruitment into lungs during ischemia reperfusion injury, a clinically relevant form of sterile inflammation. We found that early neutrophil-mediated damage is largely confined to the subpleural vasculature, a process that is orchestrated by a spatially restricted distribution of nonclassical monocytes that produce chemokines following necroptosis of pulmonary cells. Neutrophils disrupt the integrity of subpleural capillaries, which is associated with impaired lung function. Neutrophil-mediated vascular leakage is dependent on TLR4 expression on vascular endothelium, NOX4 signaling, and formation of neutrophil extracellular traps. Our research provides insights into mechanisms that regulate neutrophil recruitment during sterile lung inflammation and lays the foundation for developing new therapies. Ischemia reperfusion injury represents a common pathological condition that is triggered by the release of endogenous ligands. While neutrophils are known to play a critical role in its pathogenesis, the tissue-specific spatiotemporal regulation of ischemia-reperfusion injury is not understood. Here, using oxidative lipidomics and intravital imaging of transplanted mouse lungs that are subjected to severe ischemia reperfusion injury, we discovered that necroptosis, a nonapoptotic form of cell death, triggers the recruitment of neutrophils. During the initial stages of inflammation, neutrophils traffic predominantly to subpleural vessels, where their aggregation is directed by chemoattractants produced by nonclassical monocytes that are spatially restricted in this vascular compartment. Subsequent neutrophilic disruption of capillaries resulting in vascular leakage is associated with impaired graft function. We found that TLR4 signaling in vascular endothelial cells and downstream NADPH oxidase 4 expression mediate the arrest of neutrophils, a step upstream of their extravasation. Neutrophil extracellular traps formed in injured lungs and their disruption with DNase prevented vascular leakage and ameliorated primary graft dysfunction. Thus, we have uncovered mechanisms that regulate the initial recruitment of neutrophils to injured lungs, which result in selective damage to subpleural pulmonary vessels and primary graft dysfunction. Our findings could lead to the development of new therapeutics that protect lungs from ischemia reperfusion injury.
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50
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Dahdah A, Johnson J, Gopalkrishna S, Jaggers RM, Webb D, Murphy AJ, Hanssen NMJ, Hanaoka BY, Nagareddy PR. Neutrophil Migratory Patterns: Implications for Cardiovascular Disease. Front Cell Dev Biol 2022; 10:795784. [PMID: 35309915 PMCID: PMC8924299 DOI: 10.3389/fcell.2022.795784] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 01/18/2022] [Indexed: 12/31/2022] Open
Abstract
The body's inflammatory response involves a series of processes that are necessary for the immune system to mitigate threats from invading pathogens. Leukocyte migration is a crucial process in both homeostatic and inflammatory states. The mechanisms involved in immune cell recruitment to the site of inflammation are numerous and require several cascades and cues of activation. Immune cells have multiple origins and can be recruited from primary and secondary lymphoid, as well as reservoir organs within the body to generate an immune response to certain stimuli. However, no matter the origin, an important aspect of any inflammatory response is the web of networks that facilitates immune cell trafficking. The vasculature is an important organ for this trafficking, especially during an inflammatory response, mainly because it allows cells to migrate towards the source of insult/injury and serves as a reservoir for leukocytes and granulocytes under steady state conditions. One of the most active and vital leukocytes in the immune system's arsenal are neutrophils. Neutrophils exist under two forms in the vasculature: a marginated pool that is attached to the vessel walls, and a demarginated pool that freely circulates within the blood stream. In this review, we seek to present the current consensus on the mechanisms involved in leukocyte margination and demargination, with a focus on the role of neutrophil migration patterns during physio-pathological conditions, in particular diabetes and cardiovascular disease.
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Affiliation(s)
- Albert Dahdah
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Jillian Johnson
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Sreejit Gopalkrishna
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Robert M. Jaggers
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Darren Webb
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Andrew J. Murphy
- Division of Immunometabolism, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Nordin M. J. Hanssen
- Amsterdam Diabetes Centrum, Internal and Vascular Medicine, Amsterdam UMC, Amsterdam, Netherlands
| | - Beatriz Y. Hanaoka
- Department of Internal Medicine, Division of Rheumatology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Prabhakara R. Nagareddy
- Department of Surgery, Division of Cardiac Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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