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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; 18:22275-22297. [PMID: 39105696 DOI: 10.1021/acsnano.4c06286] [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: 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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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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3
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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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4
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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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5
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Van Os L, Engelhardt B, Guenat OT. Integration of immune cells in organs-on-chips: a tutorial. Front Bioeng Biotechnol 2023; 11:1191104. [PMID: 37324438 PMCID: PMC10267470 DOI: 10.3389/fbioe.2023.1191104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/10/2023] [Indexed: 06/17/2023] Open
Abstract
Viral and bacterial infections continue to pose significant challenges for numerous individuals globally. To develop novel therapies to combat infections, more insight into the actions of the human innate and adaptive immune system during infection is necessary. Human in vitro models, such as organs-on-chip (OOC) models, have proven to be a valuable addition to the tissue modeling toolbox. The incorporation of an immune component is needed to bring OOC models to the next level and enable them to mimic complex biological responses. The immune system affects many (patho)physiological processes in the human body, such as those taking place during an infection. This tutorial review introduces the reader to the building blocks of an OOC model of acute infection to investigate recruitment of circulating immune cells into the infected tissue. The multi-step extravasation cascade in vivo is described, followed by an in-depth guide on how to model this process on a chip. Next to chip design, creation of a chemotactic gradient and incorporation of endothelial, epithelial, and immune cells, the review focuses on the hydrogel extracellular matrix (ECM) to accurately model the interstitial space through which extravasated immune cells migrate towards the site of infection. Overall, this tutorial review is a practical guide for developing an OOC model of immune cell migration from the blood into the interstitial space during infection.
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Affiliation(s)
- Lisette Van Os
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | | | - Olivier T. Guenat
- Organs-on-Chip Technologies, ARTORG Center for Biomedical Engineering, University of Bern, Bern, Switzerland
- Department of Pulmonary Medicine, Inselspital, University Hospital of Bern, Bern, Switzerland
- Department of General Thoracic Surgery, Inselspital, University Hospital of Bern, Bern, Switzerland
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6
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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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7
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Zhou L, Zhu Y, Mo L, Wang M, Lin J, Zhao Y, Feng Y, Xie A, Wei H, Qiu H, Huang J, Yang Q. TLR7 controls myeloid-derived suppressor cells expansion and function in the lung of C57BL6 mice infected with Schistosoma japonicum. PLoS Negl Trop Dis 2022; 16:e0010851. [PMID: 36279265 PMCID: PMC9591064 DOI: 10.1371/journal.pntd.0010851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022] Open
Abstract
Toll-like receptors (TLRs) play an important role in the induction of innate and adaptive immune responses against Schistosoma japonicum (S. japonicum) infection. However, the role of Toll-like receptor 7 (TLR7) in the mouse lung during S. japonicum infection and the myeloid-derived suppressor cells (MDSCs) affected by the absence of TLR7 are not clearly understood. In this study, the results indicated that the MDSCs were accumulated and the proportion and activation of CD4+ and CD8+ T cells were decreased in the lung of mice at 6-7 weeks after S. japonicum infection. Then, the expression of TLR7 was detected in isolated pulmonary MDSCs and the results showed that the expression of TLR7 in MDSCs was increased after infection. Furthermore, TLR7 agonist R848 could down-regulate the induction effect of the soluble egg antigen (SEA) on pulmonary MDSCs in vitro. Meanwhile, TLR7 deficiency could promote the pulmonary MDSCs expansion and function by up-regulating the expression of PD-L1/2 and secreting of IL-10 in the mice infected with S. japonicum. Mechanistic studies revealed that S. japonicum infection and the antigen effects are mediated by NF-κB signaling. Moreover, TLR7 deficiency aggravates S. japonicum infection-induced damage in the lung, with more inflammatory cells infiltration, interstitial dilatation and granuloma in the tissue. In summary, this study indicated that TLR7 signaling inhibits the accumulation and function of MDSCs in S. japonicum infected mouse lung by down-regulating the expression of PD-L1/2 and secreting of IL-10, via NF-κB signaling.
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Affiliation(s)
- Lu Zhou
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Yiqiang Zhu
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - lengshan Mo
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Mei Wang
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Jie Lin
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Yi Zhao
- Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
| | - Yuanfa Feng
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Anqi Xie
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Haixia Wei
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Huaina Qiu
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Jun Huang
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- The State Key Laboratory of Respiratory Disease, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- * E-mail: (JH); (QY)
| | - Quan Yang
- Department of Pathogenic Biology and Immunology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- Sino-French Hoffmann Institute, Guangzhou Medical University, Guangzhou, China
- The State Key Laboratory of Respiratory Disease, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- * E-mail: (JH); (QY)
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8
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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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9
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Kraus RF, Gruber MA. Neutrophils-From Bone Marrow to First-Line Defense of the Innate Immune System. Front Immunol 2022; 12:767175. [PMID: 35003081 PMCID: PMC8732951 DOI: 10.3389/fimmu.2021.767175] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 12/03/2021] [Indexed: 12/16/2022] Open
Abstract
Neutrophils (polymorphonuclear cells; PMNs) form a first line of defense against pathogens and are therefore an important component of the innate immune response. As a result of poorly controlled activation, however, PMNs can also mediate tissue damage in numerous diseases, often by increasing tissue inflammation and injury. According to current knowledge, PMNs are not only part of the pathogenesis of infectious and autoimmune diseases but also of conditions with disturbed tissue homeostasis such as trauma and shock. Scientific advances in the past two decades have changed the role of neutrophils from that of solely immune defense cells to cells that are responsible for the general integrity of the body, even in the absence of pathogens. To better understand PMN function in the human organism, our review outlines the role of PMNs within the innate immune system. This review provides an overview of the migration of PMNs from the vascular compartment to the target tissue as well as their chemotactic processes and illuminates crucial neutrophil immune properties at the site of the lesion. The review is focused on the formation of chemotactic gradients in interaction with the extracellular matrix (ECM) and the influence of the ECM on PMN function. In addition, our review summarizes current knowledge about the phenomenon of bidirectional and reverse PMN migration, neutrophil microtubules, and the microtubule organizing center in PMN migration. As a conclusive feature, we review and discuss new findings about neutrophil behavior in cancer environment and tumor tissue.
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Affiliation(s)
- Richard Felix Kraus
- Department of Anesthesiology, University Medical Center Regensburg, Regensburg, Germany
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10
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Garg V, Chandanala S, David-Luther M, Govind M, Prasad RR, Kumar A, Prasanna SJ. The Yin and Yang of Immunity in Stem Cell Decision Guidance in Tissue Ecologies: An Infection Independent Perspective. Front Cell Dev Biol 2022; 10:793694. [PMID: 35198558 PMCID: PMC8858808 DOI: 10.3389/fcell.2022.793694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/10/2022] [Indexed: 11/13/2022] Open
Abstract
The impact of immune system and inflammation on organ homeostasis and tissue stem cell niches in the absence of pathogen invasion has long remained a conundrum in the field of regenerative medicine. The paradoxical role of immune components in promoting tissue injury as well as resolving tissue damage has complicated therapeutic targeting of inflammation as a means to attain tissue homeostasis in degenerative disease contexts. This confound could be resolved by an integrated intricate assessment of cross-talk between inflammatory components and micro- and macro-environmental factors existing in tissues during health and disease. Prudent fate choice decisions of stem cells and their differentiated progeny are key to maintain tissue integrity and function. Stem cells have to exercise this fate choice in consultation with other tissue components. With this respect tissue immune components, danger/damage sensing molecules driving sterile inflammatory signaling cascades and barrier cells having immune-surveillance functions play pivotal roles in supervising stem cell decisions in their niches. Stem cells learn from their previous damage encounters, either endogenous or exogenous, or adapt to persistent micro-environmental changes to orchestrate their decisions. Thus understanding the communication networks between stem cells and immune system components is essential to comprehend stem cell decisions in endogenous tissue niches. Further the systemic interactions between tissue niches integrated through immune networks serve as patrolling systems to establish communication links and orchestrate micro-immune ecologies to better organismal response to injury and promote regeneration. Understanding these communication links is key to devise immune-centric regenerative therapies. Thus the present review is an integrated attempt to provide a unified purview of how inflammation and immune cells provide guidance to stem cells for tissue sculpting during development, organismal aging and tissue crisis based on the current knowledge in the field.
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11
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Wang Z, Hood ED, Nong J, Ding J, Marcos-Contreras OA, Glassman PM, Rubey KM, Zaleski M, Espy CL, Gullipali D, Miwa T, Muzykantov VR, Song WC, Myerson JW, Brenner JS. Combating Complement's Deleterious Effects on Nanomedicine by Conjugating Complement Regulatory Proteins to Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107070. [PMID: 34910334 PMCID: PMC9062787 DOI: 10.1002/adma.202107070] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/19/2021] [Indexed: 05/07/2023]
Abstract
Complement opsonization is among the biggest challenges facing nanomedicine. Nearly instantly after injection into blood, nanoparticles are opsonized by the complement protein C3, leading to clearance by phagocytes, fouling of targeting moieties, and release of anaphylatoxins. While surface polymers such as poly(ethylene glycol) (PEG) partially decrease complement opsonization, most nanoparticles still suffer from extensive complement opsonization, especially when linked to targeting moieties. To ameliorate the deleterious effects of complement, two of mammals' natural regulators of complement activation (RCAs), Factors H and I, are here conjugated to the surface of nanoparticles. In vitro, Factor H or I conjugation to PEG-coated nanoparticles decrease their C3 opsonization, and markedly reduce nanoparticle uptake by phagocytes. In an in vivo mouse model of sepsis-induced lung injury, Factor I conjugation abrogates nanoparticle uptake by intravascular phagocytes in the lungs, allowing the blood concentration of the nanoparticle to remain elevated much longer. For nanoparticles targeted to the lung's endothelium by conjugation to anti-ICAM antibodies, Factor I conjugation shifts the cell-type distribution away from phagocytes and toward endothelial cells. Finally, Factor I conjugation abrogates the severe anaphylactoid responses common to many nanoparticles, preventing systemic capillary leak and preserving blood flow to visceral organs and the brain. Thus, conjugation of RCAs, like Factor I, to nanoparticles is likely to help in nanomedicine's long battle against complement, improving several key parameters critical for clinical success.
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Affiliation(s)
- Zhicheng Wang
- Departments of Medicine and Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Elizabeth D. Hood
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Jia Nong
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Jing Ding
- Department of Pediatrics, Peking University People’s Hospital, Beijing, 100044, China
| | | | - Patrick M. Glassman
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Kathryn M. Rubey
- Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, PA, 19104 USA
| | - Michael Zaleski
- Departments of Medicine and Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Carolann L. Espy
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Damodara Gullipali
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Takashi Miwa
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | | | - Wen-Chao Song
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Jacob W. Myerson
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
| | - Jacob S. Brenner
- Departments of Medicine and Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104 USA
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12
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Hiroki CH, Sarden N, Hassanabad MF, Yipp BG. Innate Receptors Expression by Lung Nociceptors: Impact on COVID-19 and Aging. Front Immunol 2021; 12:785355. [PMID: 34975876 PMCID: PMC8716370 DOI: 10.3389/fimmu.2021.785355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/16/2021] [Indexed: 12/14/2022] Open
Abstract
The lungs are constantly exposed to non-sterile air which carries harmful threats, such as particles and pathogens. Nonetheless, this organ is equipped with fast and efficient mechanisms to eliminate these threats from the airways as well as prevent pathogen invasion. The respiratory tract is densely innervated by sensory neurons, also known as nociceptors, which are responsible for the detection of external stimuli and initiation of physiological and immunological responses. Furthermore, expression of functional innate receptors by nociceptors have been reported; however, the influence of these receptors to the lung function and local immune response is poorly described. The COVID-19 pandemic has shown the importance of coordinated and competent pulmonary immunity for the prevention of pathogen spread as well as prevention of excessive tissue injury. New findings suggest that lung nociceptors can be a target of SARS-CoV-2 infection; what remains unclear is whether innate receptor trigger sensory neuron activation during SARS-CoV-2 infection and what is the relevance for the outcomes. Moreover, elderly individuals often present with respiratory, neurological and immunological dysfunction. Whether aging in the context of sensory nerve function and innate receptors contributes to the disorders of these systems is currently unknown. Here we discuss the expression of innate receptors by nociceptors, particularly in the lungs, and the possible impact of their activation on pulmonary immunity. We then demonstrate recent evidence that suggests lung sensory neurons as reservoirs for SARS-CoV-2 and possible viral recognition via innate receptors. Lastly, we explore the mechanisms by which lung nociceptors might contribute to disturbance in respiratory and immunological responses during the aging process.
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Affiliation(s)
- Carlos H. Hiroki
- 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
| | - 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, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mortaza F. Hassanabad
- 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
| | - 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, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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13
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Neupane AS, Kubes P. Imaging reveals novel innate immune responses in lung, liver, and beyond. Immunol Rev 2021; 306:244-257. [PMID: 34816440 DOI: 10.1111/imr.13040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022]
Abstract
Highly dynamic immune responses are generated toward pathogens or injuries, in vivo. Multiple immune cell types participate in various facets of the response which leads to a concerted effort in the removal and clearance of pathogens or injured tissue and a return to homeostasis. Intravital microscopy (IVM) has been extensively utilized to unravel the dynamics of immune responses, visualizing immune cell behavior in intact living tissues, within a living organism. For instance, the phenomenon of leukocyte recruitment cascade. Importantly, IVM has led to a deep appreciation that immune cell behavior and responses in individual organs are distinct, but also can influence one another. In this review, we discuss how IVM as a tool has been used to study the innate immune responses in various tissues during homeostasis, injury, and infection.
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Affiliation(s)
- Arpan Sharma Neupane
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Department of Microbiology and Infectious Diseases, University of Calgary, Calgary, AB, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada.,Institute for Immunity, Transplantation and Infection, Stanford University, Stanford, California, USA
| | - Paul Kubes
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada.,Department of Microbiology and Infectious Diseases, University of Calgary, Calgary, AB, Canada.,Calvin, Phoebe, and Joan Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada
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14
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Munir H, Lu TT. T2B or not to B: Calming neutrophils offshore. J Exp Med 2021; 218:e20211407. [PMID: 34374712 PMCID: PMC8357534 DOI: 10.1084/jem.20211407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
In this issue of JEM, Podstawka et al. (2021. J. Exp. Med.https://doi.org/10.1084/jem.20210409) show that B cells can limit neutrophil responses within the lung microvasculature by marginating and acting on marginated neutrophils. This study provides a new view of B cells and reveals a novel mechanism of cell-mediated intravascular regulation.
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Affiliation(s)
- Hafsa Munir
- Hospital for Special Surgery Research Institute, New York, NY
- Weill Cornell Medicine, New York, NY
| | - Theresa T. Lu
- Hospital for Special Surgery Research Institute, New York, NY
- Weill Cornell Medicine, New York, NY
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15
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Barkaway A, Rolas L, Joulia R, Bodkin J, Lenn T, Owen-Woods C, Reglero-Real N, Stein M, Vázquez-Martínez L, Girbl T, Poston RN, Golding M, Saleeb RS, Thiriot A, von Andrian UH, Duchene J, Voisin MB, Bishop CL, Voehringer D, Roers A, Rot A, Lämmermann T, Nourshargh S. Age-related changes in the local milieu of inflamed tissues cause aberrant neutrophil trafficking and subsequent remote organ damage. Immunity 2021; 54:1494-1510.e7. [PMID: 34033752 PMCID: PMC8284598 DOI: 10.1016/j.immuni.2021.04.025] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 03/11/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022]
Abstract
Aging is associated with dysregulated immune functions. Here, we investigated the impact of age on neutrophil diapedesis. Using confocal intravital microscopy, we found that in aged mice, neutrophils adhered to vascular endothelium in inflamed tissues but exhibited a high frequency of reverse transendothelial migration (rTEM). This retrograde breaching of the endothelium by neutrophils was governed by enhanced production of the chemokine CXCL1 from mast cells that localized at endothelial cell (EC) junctions. Increased EC expression of the atypical chemokine receptor 1 (ACKR1) supported this pro-inflammatory milieu in aged venules. Accumulation of CXCL1 caused desensitization of the chemokine receptor CXCR2 on neutrophils and loss of neutrophil directional motility within EC junctions. Fluorescent tracking revealed that in aged mice, neutrophils undergoing rTEM re-entered the circulation and disseminated to the lungs where they caused vascular leakage. Thus, neutrophils stemming from a local inflammatory site contribute to remote organ damage, with implication to the dysregulated systemic inflammation associated with aging.
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Affiliation(s)
- Anna Barkaway
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Loïc Rolas
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Régis Joulia
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Jennifer Bodkin
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Tchern Lenn
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Charlotte Owen-Woods
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Natalia Reglero-Real
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Monja Stein
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Laura Vázquez-Martínez
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Tamara Girbl
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Robin N Poston
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Matthew Golding
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Rebecca S Saleeb
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Aude Thiriot
- Department of Immunology and HMS Center for Immune Imaging, Harvard Medical School, Boston, MA, MA 02115, USA; The Ragon Institute of MGH, MIT and Harvard, Cambridge MA 02139, USA
| | - Ulrich H von Andrian
- Department of Immunology and HMS Center for Immune Imaging, Harvard Medical School, Boston, MA, MA 02115, USA; The Ragon Institute of MGH, MIT and Harvard, Cambridge MA 02139, USA
| | - Johan Duchene
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximillians-Universität (LMU) München, Munich 80336, Germany
| | - Mathieu-Benoit Voisin
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Cleo L Bishop
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AT, UK
| | - David Voehringer
- Department of Infection Biology, University Hospital Erlangen and Friedrich-Alexander University Erlangen-Nuremberg (FAU), Erlangen 91054, Germany
| | - Axel Roers
- Institute for Immunology, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden 01069, Germany
| | - Antal Rot
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Centre for Inflammation and Therapeutic Innovation, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK
| | - Tim Lämmermann
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Sussan Nourshargh
- Centre for Microvascular Research, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK; Centre for Inflammation and Therapeutic Innovation, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, UK.
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16
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Kvietys PR, Fakhoury HMA, Kadan S, Yaqinuddin A, Al-Mutairy E, Al-Kattan K. COVID-19: Lung-Centric Immunothrombosis. Front Cell Infect Microbiol 2021; 11:679878. [PMID: 34178722 PMCID: PMC8226089 DOI: 10.3389/fcimb.2021.679878] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022] Open
Abstract
The respiratory tract is the major site of infection by SARS-CoV-2, the virus causing COVID-19. The pulmonary infection can lead to acute respiratory distress syndrome (ARDS) and ultimately, death. An excessive innate immune response plays a major role in the development of ARDS in COVID-19 patients. In this scenario, activation of lung epithelia and resident macrophages by the virus results in local cytokine production and recruitment of neutrophils. Activated neutrophils extrude a web of DNA-based cytoplasmic material containing antimicrobials referred to as neutrophil extracellular traps (NETs). While NETs are a defensive strategy against invading microbes, they can also serve as a nidus for accumulation of activated platelets and coagulation factors, forming thrombi. This immunothrombosis can result in occlusion of blood vessels leading to ischemic damage. Herein we address evidence in favor of a lung-centric immunothrombosis and suggest a lung-centric therapeutic approach to the ARDS of COVID-19.
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Affiliation(s)
| | | | - Sana Kadan
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | - Eid Al-Mutairy
- Department of Medicine, King Faisal Specialist Hospital and Research Centre (KFSHRC), Riyadh, Saudi Arabia
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17
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Sangaletti S, Ferrara R, Tripodo C, Garassino MC, Colombo MP. Myeloid cell heterogeneity in lung cancer: implication for immunotherapy. Cancer Immunol Immunother 2021; 70:2429-2438. [PMID: 33797567 PMCID: PMC8017108 DOI: 10.1007/s00262-021-02916-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 03/13/2021] [Indexed: 12/14/2022]
Abstract
Lung is a specialized tissue where metastases from primary lung tumors takeoff and those originating from extra-pulmonary sites land. One commonality characterizing these processes is the supportive role exerted by myeloid cells, particularly neutrophils, whose recruitment is facilitated in this tissue microenvironment. Indeed, neutrophils have important part in the pathophysiology of this organ and the key mechanisms regulating neutrophil expansion and recruitment during infection can be co-opted by tumor cells to promote growth and metastasis. Although neutrophils dominate the myeloid landscape of lung cancer other populations including macrophages, dendritic cells, mast cells, basophils and eosinophils contribute to the complexity of lung cancer TME. In this review, we discuss the origin and significance of myeloid cells heterogeneity in lung cancer, which translates not only in a different frequency of immune populations but it encompasses state of activation, morphology, localization and mutual interactions. The relevance of such heterogeneity is considered in the context of tumor growth and response to immunotherapy.
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Affiliation(s)
- Sabina Sangaletti
- Department of Research, Molecular Immunology Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, via Amadeo 42, 20133, Milano, Italy
| | - Roberto Ferrara
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Claudio Tripodo
- Tumor Immunology Unit, University of Palermo, Palermo, Italy.,FIRC Institute of Molecular Oncology (IFOM), Milano, Italy
| | - Marina Chiara Garassino
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Mario Paolo Colombo
- Department of Research, Molecular Immunology Unit, Fondazione IRCCS Istituto Nazionale Dei Tumori, via Amadeo 42, 20133, Milano, Italy.
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18
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Reusch N, De Domenico E, Bonaguro L, Schulte-Schrepping J, Baßler K, Schultze JL, Aschenbrenner AC. Neutrophils in COVID-19. Front Immunol 2021; 12:652470. [PMID: 33841435 PMCID: PMC8027077 DOI: 10.3389/fimmu.2021.652470] [Citation(s) in RCA: 173] [Impact Index Per Article: 57.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 03/10/2021] [Indexed: 12/15/2022] Open
Abstract
Strong evidence has been accumulated since the beginning of the COVID-19 pandemic that neutrophils play an important role in the pathophysiology, particularly in those with severe disease courses. While originally considered to be a rather homogeneous cell type, recent attention to neutrophils has uncovered their fascinating transcriptional and functional diversity as well as their developmental trajectories. These new findings are important to better understand the many facets of neutrophil involvement not only in COVID-19 but also many other acute or chronic inflammatory diseases, both communicable and non-communicable. Here, we highlight the observed immune deviation of neutrophils in COVID-19 and summarize several promising therapeutic attempts to precisely target neutrophils and their reactivity in patients with COVID-19.
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Affiliation(s)
- Nico Reusch
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Elena De Domenico
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), PRECISE Platform for Genomics and Epigenomics at DZNE, University of Bonn, Bonn, Germany
| | - Lorenzo Bonaguro
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Jonas Schulte-Schrepping
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Kevin Baßler
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Joachim L Schultze
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), PRECISE Platform for Genomics and Epigenomics at DZNE, University of Bonn, Bonn, Germany
| | - Anna C Aschenbrenner
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Genomics & Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany.,German Center for Neurodegenerative Diseases (DZNE), PRECISE Platform for Genomics and Epigenomics at DZNE, University of Bonn, Bonn, Germany.,Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, Netherlands
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19
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Palominos MF, Whitlock KE. The Olfactory Organ Is Populated by Neutrophils and Macrophages During Early Development. Front Cell Dev Biol 2021; 8:604030. [PMID: 33537298 PMCID: PMC7848073 DOI: 10.3389/fcell.2020.604030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 11/30/2020] [Indexed: 12/18/2022] Open
Abstract
The immune system of vertebrates is characterized by innate and adaptive immunity that function together to form the natural defense system of the organism. During development innate immunity is the first to become functional and is mediated primarily by phagocytic cells, including macrophages, neutrophils, and dendritic cells. In the olfactory sensory system, the same sensory neurons in contact with the external environment have their first synapse within the central nervous system. This unique architecture presents a potential gateway for the entry of damaging or infectious agents to the nervous system. Here we used zebrafish as a model system to examine the development of the olfactory organ and to determine whether it shares immune characteristics of a host defense niche described in other tissues. During early development, both neutrophils and macrophages appear coincident with the generation of the primitive immune cells. The appearance of neutrophils and macrophages in the olfactory organs occurs as the blood and lymphatic vascular system is forming in the same region. Making use of the neurogenic properties of the olfactory organ we show that damage to the olfactory sensory neurons in larval zebrafish triggers a rapid immune response by local and non-local neutrophils. In contrast, macrophages, although present in greater numbers, mount a slower response to damage. We anticipate our findings will open new avenues of research into the role of the olfactory-immune response during normal neurogenesis and damage-induced regeneration and contribute to our understanding of the formation of a potential host defense immune niche in the peripheral nervous system.
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Affiliation(s)
- M Fernanda Palominos
- Programa Doctorado en Neurociencia, Facultad de Ciencia, Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
| | - Kathleen E Whitlock
- Programa Doctorado en Neurociencia, Facultad de Ciencia, Centro Interdisciplinario de Neurociencia de Valparaíso (CINV), Instituto de Neurociencia, Universidad de Valparaíso, Valparaíso, Chile
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20
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Teuben MPJ, Hofman M, Shehu A, Greven J, Qiao Z, Jensen KO, Hildebrand F, Pfeifer R, Pape HC. The impact of intramedullary nailing on the characteristics of the pulmonary neutrophil pool in rodents. INTERNATIONAL ORTHOPAEDICS 2020; 44:595-602. [PMID: 31900572 DOI: 10.1007/s00264-019-04419-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 09/13/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE Dysregulation of polymorphonuclear neutrophil (PMN) biology is associated with the development of inflammatory complications after trauma, such as acute respiratory distress syndrome (ARDS). It has been demonstrated that intramedullary nailing is both associated with altered pulmonary neutrophil deposition and the occurrence of ARDS. This standardized study aimed to characterize the long-term remote neutrophil response in the lungs in case of a femur fracture and intramedullary nailing. METHODS A standardized rat model including intramedullary nailing and a femur fracture was utilized. Groups were terminated after observation times of three, seven and 14 days. Neutrophils were isolated from lung parenchyma and broncho-alveolar lavage fluid (BALF) and analyzed by flow cytometry. Absolute neutrophil numbers as well as membrane expression levels of CD11b, CD62L, and CD11a were compared. RESULTS Pulmonary neutrophil numbers were increased 3 days after intervention. Membrane expression levels of CD11b (P < 0.01), CD62L (P < 0.01), and CD11a (P = 0.06) on parenchymal PMNs increased as well after 3 days. Thereafter, values restored gradually to physiological levels. Furthermore, neutrophil activation status patterns between parenchymal and BALF neutrophil pools did not correlate. CONCLUSIONS The current study demonstrates that IMN and a femur fracture are associated with transient increased pulmonary PMN deposition, as well as a specific pattern of activation characterized by temporary increased selectin and integrin receptor expression on pulmonary neutrophils. This phenomenon might play an important role in the pathomechanism of ARDS after IMN. Moreover, we found striking differences between parenchymal and BALF-neutrophil populations, demonstrating the limited readout potential of BALF analysis to investigate the entire pulmonary neutrophil pool.
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Affiliation(s)
- Michel Paul Johan Teuben
- Department of Traumatology, University Hospital Zurich, Raemistrasse 100, Zurich, 8006, Switzerland.
- Harald Tscherne Research Laboratory, University Hospital Zurich, Raemistrasse 100, 8006, Zurich, Switzerland.
| | - Martijn Hofman
- Department of Orthopedic Trauma and Reconstructive Surgery, University of Aachen Medical Center, Pauwelsstrasse 30, Aachen, 52074, Germany
| | - Alba Shehu
- Department of Orthopedic Trauma and Reconstructive Surgery, University of Aachen Medical Center, Pauwelsstrasse 30, Aachen, 52074, Germany
| | - Johannes Greven
- Department of Orthopedic Trauma and Reconstructive Surgery, University of Aachen Medical Center, Pauwelsstrasse 30, Aachen, 52074, Germany
| | - Zhi Qiao
- Department of Orthopedic Trauma and Reconstructive Surgery, University of Aachen Medical Center, Pauwelsstrasse 30, Aachen, 52074, Germany
| | - Kai Oliver Jensen
- Department of Traumatology, University Hospital Zurich, Raemistrasse 100, Zurich, 8006, Switzerland
- Harald Tscherne Research Laboratory, University Hospital Zurich, Raemistrasse 100, 8006, Zurich, Switzerland
| | - Frank Hildebrand
- Department of Orthopedic Trauma and Reconstructive Surgery, University of Aachen Medical Center, Pauwelsstrasse 30, Aachen, 52074, Germany
| | - Roman Pfeifer
- Department of Traumatology, University Hospital Zurich, Raemistrasse 100, Zurich, 8006, Switzerland
- Harald Tscherne Research Laboratory, University Hospital Zurich, Raemistrasse 100, 8006, Zurich, Switzerland
| | - Hans-Christoph Pape
- Department of Traumatology, University Hospital Zurich, Raemistrasse 100, Zurich, 8006, Switzerland
- Harald Tscherne Research Laboratory, University Hospital Zurich, Raemistrasse 100, 8006, Zurich, Switzerland
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21
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Abstract
Circadian rhythms are daily cycles in biological function that are ubiquitous in nature. Understood as a means for organisms to anticipate daily environmental changes, circadian rhythms are also important for orchestrating complex biological processes such as immunity. Nowhere is this more evident than in the respiratory system, where circadian rhythms in inflammatory lung disease have been appreciated since ancient times. In this focused review we examine how emerging research on circadian rhythms is being applied to the study of fundamental lung biology and respiratory disease. We begin with a general introduction to circadian rhythms and the molecular circadian clock that underpins them. We then focus on emerging data tying circadian clock function to immunologic activities within the respiratory system. We conclude by considering outstanding questions about biological timing in the lung and how a better command of chronobiology could inform our understanding of complex lung diseases.
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Affiliation(s)
- Charles Nosal
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA;
| | - Anna Ehlers
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA;
| | - Jeffrey A Haspel
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, Missouri 63110, USA;
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22
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Abstract
The respiratory system plays an essential role for human life. This system (like all others) undergoes physiological regeneration due to many types of stem cells found both in the respiratory tract itself and in the alveoli. The stem cell hierarchy is very extensive due to their variety in the lungs and is still not completely understood.The best described lung stem cells are alveolar type II cells, which as progenitor lung stem cells are precursors of alveolar type I cells, i.e., cells that perform gas exchange in the lungs. These progenitor stem cells, which reside in alveoli corners, express high levels of surfactant protein C (SFTPC). Despite the fact that type II pneumocytes occupy only 7-10% of the lung surface, there are almost twice as many as alveolar type I cells occupying almost 95% of the surface.Other stem cells making up the lung regenerative potential have also been identified in the lungs. Both endothelial, mesodermal, and epithelial stem cells are necessary for the lungs to function properly and perform their physiological functions.The lungs, like all other organs, undergo an aging process. As a result of this process, not only the total number of cells changes, the percentage of particular types of cells, but also their efficiency is reduced. With age, the proliferative potential of lung stem cells also decreases, not just their number. This brings about the need to increase the intensity of research in the field of regenerative medicine.
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Affiliation(s)
- Andrzej Ciechanowicz
- Department of Regenerative Medicine, Center for Preclinical Research and Technology, Medical Univeristy of Warsaw, Warsaw, Poland.
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Neutrophil Adaptations upon Recruitment to the Lung: New Concepts and Implications for Homeostasis and Disease. Int J Mol Sci 2020; 21:ijms21030851. [PMID: 32013006 PMCID: PMC7038180 DOI: 10.3390/ijms21030851] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 12/14/2022] Open
Abstract
Neutrophils have a prominent role in all human immune responses against any type of pathogen or stimulus. The lungs are a major neutrophil reservoir and neutrophilic inflammation is a primary response to both infectious and non-infectious challenges. While neutrophils are well known for their essential role in clearance of bacteria, they are also equipped with specific mechanisms to counter viruses and fungi. When these defense mechanisms become aberrantly activated in the absence of infection, this commonly results in debilitating chronic lung inflammation. Clearance of bacteria by phagocytosis is the hallmark role of neutrophils and has been studied extensively. New studies on neutrophil biology have revealed that this leukocyte subset is highly adaptable and fulfills diverse roles. Of special interest is how these adaptations can impact the outcome of an immune response in the lungs due to their potent capacity for clearing infection and causing damage to host tissue. The adaptability of neutrophils and their propensity to influence the outcome of immune responses implicates them as a much-needed target of future immunomodulatory therapies. This review highlights the recent advances elucidating the mechanisms of neutrophilic inflammation, with a focus on the lung environment due to the immense and growing public health burden of chronic lung diseases such as cystic fibrosis (CF) and chronic obstructive pulmonary disease (COPD), and acute lung inflammatory diseases such as transfusion-related acute lung injury (TRALI).
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