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Webbers SD, Aarts CE, Klein B, Koops D, Geissler J, Tool AT, van Bruggen R, van den Akker E, Kuijpers TW. Reduced myeloid commitment and increased uptake by macrophages of stem cell-derived HPS2 neutrophils. Life Sci Alliance 2024; 7:e202302263. [PMID: 38238087 PMCID: PMC10796564 DOI: 10.26508/lsa.202302263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 12/22/2023] [Accepted: 12/27/2023] [Indexed: 01/22/2024] Open
Abstract
Hermansky-Pudlak syndrome type 2 (HPS2) is a rare autosomal recessive disorder, caused by mutations in the AP3B1 gene, encoding the β3A subunit of the adapter protein complex 3. This results in mis-sorting of proteins within the cell. A clinical feature of HPS2 is severe neutropenia. Current HPS2 animal models do not recapitulate the human disease. Hence, we used induced pluripotent stem cells (iPSCs) of an HPS2 patient to study granulopoiesis. Development into CD15POS cells was reduced, but HPS2-derived CD15POS cells differentiated into segmented CD11b+CD16hi neutrophils. These HPS2 neutrophils phenocopied their circulating counterparts showing increased CD63 expression, impaired degranulation capacity, and intact NADPH oxidase activity. Most noticeable was the decrease in neutrophil yield during the final days of HPS2 iPSC cultures. Although neutrophil viability was normal, CD15NEG macrophages were readily phagocytosing neutrophils, contributing to the limited neutrophil output in HPS2. In this iPSC model, HPS2 neutrophil development is affected by a slower rate of development and by macrophage-mediated clearance during neutrophil maturation.
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Affiliation(s)
- Steven Ds Webbers
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
- Department of Pediatric Immunology, Rheumatology & Infectious Diseases, Emma Children's Hospital, AUMC, University of Amsterdam, Amsterdam, Netherlands
| | - Cathelijn Em Aarts
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
| | - Bart Klein
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
| | - Dané Koops
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
- Department of Pediatric Immunology, Rheumatology & Infectious Diseases, Emma Children's Hospital, AUMC, University of Amsterdam, Amsterdam, Netherlands
| | - Judy Geissler
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
| | - Anton Tj Tool
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
| | - Robin van Bruggen
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
| | - Emile van den Akker
- https://ror.org/01fm2fv39 Department of Hematopoiesis, Sanquin Research Amsterdam, Amsterdam, Netherlands
| | - Taco W Kuijpers
- https://ror.org/01fm2fv39 Department of Molecular Hematology, Sanquin Research, Amsterdam University Medical Center (AUMC), University of Amsterdam, Amsterdam, Netherlands
- Department of Pediatric Immunology, Rheumatology & Infectious Diseases, Emma Children's Hospital, AUMC, University of Amsterdam, Amsterdam, Netherlands
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2
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Dotta L, Baresi G, Tamassia N, Calzetti F, Bianchetto-Aguilera F, Gasperini S, Gardiman E, Chiarini M, Moratto D, Martellosio G, Serana F, Micheletti M, Tregambe D, Pintabona V, Soncini E, Meini A, Girelli MF, Beghin A, Lanfranchi A, Bugatti M, Brugnoni D, Soresina A, Plebani A, Cassatella M, Vermi W, Porta F, Badolato R. Clinical and transcriptomic characteristics of a novel SMARCD2 mutation that disrupts neutrophil maturation and function. Pediatr Blood Cancer 2023; 70:e30671. [PMID: 37712719 DOI: 10.1002/pbc.30671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/16/2023]
Abstract
We report a novel case of SMARCD2 (SWI/SNF-related, matrix-associated, actin-dependent regulator of chromatin, subfamily D, member 2) mutation successfully treated with hematopoietic stem cell transplantation. The female patient presented delayed cord separation, chronic diarrhea, skin abscesses, skeletal dysmorphisms, and neutropenia with specific granule deficiency. Analysis of the transcriptomic profile of peripheral blood sorted mature and immature SMARCD2 neutrophils showed defective maturation process that associated with altered expression of genes related to specific, azurophilic, and gelatinase granules, such as LTF, CRISP3, PTX3, and CHI3L1. These abnormalities account for the prevalence of immature neutrophils in the peripheral blood, impaired function, and deregulated inflammatory responses.
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Affiliation(s)
- Laura Dotta
- Department of Pediatrics, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciencies, University of Brescia, Brescia, Italy
| | - Giulia Baresi
- Pediatric Oncohaematology and BMT Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Nicola Tamassia
- General Pathology Section, Department of Medicine, University of Verona, Verona, Italy
| | - Federica Calzetti
- General Pathology Section, Department of Medicine, University of Verona, Verona, Italy
| | | | - Sara Gasperini
- General Pathology Section, Department of Medicine, University of Verona, Verona, Italy
| | - Elisa Gardiman
- General Pathology Section, Department of Medicine, University of Verona, Verona, Italy
| | - Marco Chiarini
- Flow Cytometry Unit, Clinical Chemistry Laboratory, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Daniele Moratto
- Flow Cytometry Unit, Clinical Chemistry Laboratory, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Giovanni Martellosio
- Hematology Unit, Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Federico Serana
- Hematology Unit, Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Moira Micheletti
- Hematology Unit, Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Daniela Tregambe
- Hematology Unit, Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Vincenzo Pintabona
- Pediatric Oncohaematology and BMT Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Elena Soncini
- Pediatric Oncohaematology and BMT Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Antonella Meini
- Department of Pediatrics, ASST Spedali Civili of Brescia, Brescia, Italy
| | | | - Alessandra Beghin
- Stem Cell Laboratory, Section of Hematology and Blood Coagulation, Clinical Chemistry Laboratory, Diagnostics Department, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Arnalda Lanfranchi
- Stem Cell Laboratory, Section of Hematology and Blood Coagulation, Clinical Chemistry Laboratory, Diagnostics Department, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Mattia Bugatti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Duilio Brugnoni
- Department of Laboratory Diagnostics, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Annarosa Soresina
- Department of Pediatrics, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Alessandro Plebani
- Department of Pediatrics, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciencies, University of Brescia, Brescia, Italy
| | - Marco Cassatella
- General Pathology Section, Department of Medicine, University of Verona, Verona, Italy
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Fulvio Porta
- Pediatric Oncohaematology and BMT Unit, ASST Spedali Civili of Brescia, Brescia, Italy
| | - Raffaele Badolato
- Department of Pediatrics, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciencies, University of Brescia, Brescia, Italy
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3
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Vinh DC. Of Mycelium and Men: Inherent Human Susceptibility to Fungal Diseases. Pathogens 2023; 12:456. [PMID: 36986378 PMCID: PMC10058615 DOI: 10.3390/pathogens12030456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/09/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023] Open
Abstract
In medical mycology, the main context of disease is iatrogenic-based disease. However, historically, and occasionally, even today, fungal diseases affect humans with no obvious risk factors, sometimes in a spectacular fashion. The field of “inborn errors of immunity” (IEI) has deduced at least some of these previously enigmatic cases; accordingly, the discovery of single-gene disorders with penetrant clinical effects and their immunologic dissection have provided a framework with which to understand some of the key pathways mediating human susceptibility to mycoses. By extension, they have also enabled the identification of naturally occurring auto-antibodies to cytokines that phenocopy such susceptibility. This review provides a comprehensive update of IEI and autoantibodies that inherently predispose humans to various fungal diseases.
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4
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Cao X, Ren Y, Lu Q, Wang K, Wu Y, Wang Y, Zhang Y, Cui XS, Yang Z, Chen Z. Lactoferrin: A glycoprotein that plays an active role in human health. Front Nutr 2023; 9:1018336. [PMID: 36712548 PMCID: PMC9875800 DOI: 10.3389/fnut.2022.1018336] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 11/21/2022] [Indexed: 01/07/2023] Open
Abstract
Lactoferrin (Lf), existing widely in human and mammalian milk, is a multifunctional glycoprotein with many functions, such as immune regulation, anti-inflammation, antibacterial, antiviral, and antioxidant. These extensive functions largely attribute to its ability to chelate iron and interfere with the cellular receptors of pathogenic microorganisms and their hosts. Moreover, it is non-toxic and has good compatibility with other supplements. Thus, Lf has been widely used in food nutrition, drug carriers, biotechnology, and feed development. Although Lf has been continuously explored and studied, a more comprehensive and systematic compendium is still required. This review presents the recent advances in the structure and physicochemical properties of Lf as well as clinical studies on human diseases, with the aim of providing a reference for further research of Lf and the development of its related functional products.
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Affiliation(s)
- Xiang Cao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yang Ren
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Qinyue Lu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Kun Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yanni Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - YuHao Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yihui Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xiang-shun Cui
- Department of Animal Science, Laboratory of Animal Developmental Biology, Chungbuk National University, Cheongju, Republic of Korea
| | - Zhangping Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China
| | - Zhi Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Ministry of Education, Yangzhou University, Yangzhou, China,International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou, China,*Correspondence: Zhi Chen,
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5
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Dong Y, Zhang Y, Zhang Y, Pan X, Bai J, Chen Y, Zhou Y, Lai Z, Chen Q, Hu S, Zhou Q, Zhang Y, Ma F. Dissecting the process of human neutrophil lineage determination by using alpha-lipoic acid inducing neutrophil deficiency model. Redox Biol 2022; 54:102392. [PMID: 35797799 PMCID: PMC9287745 DOI: 10.1016/j.redox.2022.102392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 12/25/2022] Open
Abstract
Granulocyte-monocyte progenitors (GMPs) differentiate into both neutrophils and monocytes. Recently, uni-potential neutrophil progenitors have been identified both in mice and humans using an array of surface markers. However, how human GMPs commit to neutrophil progenitors and the regulatory mechanisms of fate determination remain incompletely understood. In the present study, we established a human neutrophil deficiency model using the small molecule alpha-lipoic acid. Using this neutrophil deficiency model, we determined that the neutrophil progenitor commitment process from CD371+ CD115– GMPs defined by CD34 and CD15 and discovered that critical signals generated by RNA splicing and rRNA biogenesis regulate the process of early commitment for human early neutrophil progenitors derived from CD371+ CD115– GMPs. These processes were elucidated by single-cell RNA sequencing both in vitro and in vivo derived cells. Sequentially, we identified that the transcription factor ELK1 is essential for human neutrophil lineage commitment using the alpha-lipoic acid (ALA)-inducing neutrophil deficiency model. Finally, we also revealed differential roles for long-ELK1 and short-ELK1, balanced by SF3B1, in the commitment process of neutrophil progenitors. Taken together, we discovered a novel function of ALA in regulating neutrophil lineage specification and identified that the SF3B1-ELK axis regulates the commitment of human neutrophil progenitors from CD371+ CD115– GMPs. ALA completely blocks the differentiation of human neutrophils derived from CD34+ stem cells in ex-vivo culture. CD34 and CD15 could be used to define the early differentiation stages of human neutrophil lineage determination. SF3B1-ELK1 signal axis regulates human neutrophil lineage determination.
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6
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Banday AZ, Kaur A, Akagi T, Bhattarai D, Muraoka M, Dev D, Das J, Sachdeva MUS, Karmakar I, Arora K, Kaur G, Pandiarajan V, Jindal AK, Wada T, Koeffler HP, Suri D, Ahluwalia J, Kanegane H, Bhatia P, Rawat A, Singh S. A Novel CEBPE Variant Causes Severe Infections and Profound Neutropenia. J Clin Immunol 2022. [PMID: 35726044 DOI: 10.1007/s10875-022-01304-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/06/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Specific granule deficiency (SGD) is a rare inborn error of immunity resulting from loss-of-function variants in CEBPE gene (encoding for transcription factor C/EBPε). Although this genetic etiology has been known for over two decades, only a few patients with CEBPE variant-proven SGD (type I) have been reported. Herein, we describe two siblings with a novel homozygous CEBPE deletion who were noted to have profound neutropenia on initial evaluation. We aimed to evaluate the immunohematological consequences of this novel variant, including profound neutropenia. METHODS Light scatter characteristics of granulocytes were examined on various automated hematology analyzers. Phagocyte immunophenotype, reactive oxygen species generation, and Toll-like receptor (TLR) signaling were assessed using flow cytometry. Relative expression of genes encoding various granule proteins was studied using RT-PCR. Western blot analysis and luciferase reporter assay were performed to explore variant C/EBPε expression and function. RESULTS Severe infections occurred in both siblings. Analysis of granulocyte light scatter plots revealed automated hematology analyzers can provide anomalously low neutrophil counts due to abnormal neutrophil morphology. Neutrophils displayed absence/marked reduction of CD15/CD16 expression and overexpression (in a subset) of CD14/CD64. Three distinct populations of phagocytes with different oxidase activities were observed. Impaired shedding of CD62-ligand was noted on stimulation with TLR-4, TLR-2/6, and TLR-7/8 agonists. We demonstrated the variant C/EBPε to be functionally deficient. CONCLUSION Homozygous c.655_665del variant in CEBPE causes SGD. Anomalous automated neutrophil counts may be reported in patients with SGD type I. Aberrant TLR signaling might be an additional pathogenetic mechanism underlying immunodeficiency in SGD type I.
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7
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Yeo GHT, Saksena SD, Gifford DK. Generative modeling of single-cell time series with PRESCIENT enables prediction of cell trajectories with interventions. Nat Commun 2021; 12:3222. [PMID: 34050150 PMCID: PMC8163769 DOI: 10.1038/s41467-021-23518-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 04/22/2021] [Indexed: 12/20/2022] Open
Abstract
Existing computational methods that use single-cell RNA-sequencing (scRNA-seq) for cell fate prediction do not model how cells evolve stochastically and in physical time, nor can they predict how differentiation trajectories are altered by proposed interventions. We introduce PRESCIENT (Potential eneRgy undErlying Single Cell gradIENTs), a generative modeling framework that learns an underlying differentiation landscape from time-series scRNA-seq data. We validate PRESCIENT on an experimental lineage tracing dataset, where we show that PRESCIENT is able to predict the fate biases of progenitor cells in hematopoiesis when accounting for cell proliferation, improving upon the best-performing existing method. We demonstrate how PRESCIENT can simulate trajectories for perturbed cells, recovering the expected effects of known modulators of cell fate in hematopoiesis and pancreatic β cell differentiation. PRESCIENT is able to accommodate complex perturbations of multiple genes, at different time points and from different starting cell populations, and is available at https://github.com/gifford-lab/prescient .
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Affiliation(s)
- Grace Hui Ting Yeo
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
- Computational and Systems Biology Program, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sachit D Saksena
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
- Computational and Systems Biology Program, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - David K Gifford
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
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8
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Aarts CEM, Downes K, Hoogendijk AJ, Sprenkeler EGG, Gazendam RP, Favier R, Favier M, Tool ATJ, van Hamme JL, Kostadima MA, Waller K, Zieger B, van Bergen MGJM, Langemeijer SMC, van der Reijden BA, Janssen H, van den Berg TK, van Bruggen R, Meijer AB, Ouwehand WH, Kuijpers TW. Neutrophil specific granule and NETosis defects in gray platelet syndrome. Blood Adv 2021; 5:549-64. [PMID: 33496751 DOI: 10.1182/bloodadvances.2020002442] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 12/06/2020] [Indexed: 12/15/2022] Open
Abstract
Gray platelet syndrome (GPS) is an autosomal recessive bleeding disorder characterized by a lack of α-granules in platelets and progressive myelofibrosis. Rare loss-of-function variants in neurobeachin-like 2 (NBEAL2), a member of the family of beige and Chédiak-Higashi (BEACH) genes, are causal of GPS. It is suggested that BEACH domain containing proteins are involved in fusion, fission, and trafficking of vesicles and granules. Studies in knockout mice suggest that NBEAL2 may control the formation and retention of granules in neutrophils. We found that neutrophils obtained from the peripheral blood from 13 patients with GPS have a normal distribution of azurophilic granules but show a deficiency of specific granules (SGs), as confirmed by immunoelectron microscopy and mass spectrometry proteomics analyses. CD34+ hematopoietic stem cells (HSCs) from patients with GPS differentiated into mature neutrophils also lacked NBEAL2 expression but showed similar SG protein expression as control cells. This is indicative of normal granulopoiesis in GPS and identifies NBEAL2 as a potentially important regulator of granule release. Patient neutrophil functions, including production of reactive oxygen species, chemotaxis, and killing of bacteria and fungi, were intact. NETosis was absent in circulating GPS neutrophils. Lack of NETosis is suggested to be independent of NBEAL2 expression but associated with SG defects instead, as indicated by comparison with HSC-derived neutrophils. Since patients with GPS do not excessively suffer from infections, the consequence of the reduced SG content and lack of NETosis for innate immunity remains to be explored.
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9
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Meizlish ML, Pine AB, Bishai JD, Goshua G, Nadelmann ER, Simonov M, Chang CH, Zhang H, Shallow M, Bahel P, Owusu K, Yamamoto Y, Arora T, Atri DS, Patel A, Gbyli R, Kwan J, Won CH, Dela Cruz C, Price C, Koff J, King BA, Rinder HM, Wilson FP, Hwa J, Halene S, Damsky W, van Dijk D, Lee AI, Chun HJ. A neutrophil activation signature predicts critical illness and mortality in COVID-19. Blood Adv 2021; 5:1164-1177. [PMID: 33635335 PMCID: PMC7908851 DOI: 10.1182/bloodadvances.2020003568] [Citation(s) in RCA: 196] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/13/2021] [Indexed: 12/29/2022] Open
Abstract
Pathologic immune hyperactivation is emerging as a key feature of critical illness in COVID-19, but the mechanisms involved remain poorly understood. We carried out proteomic profiling of plasma from cross-sectional and longitudinal cohorts of hospitalized patients with COVID-19 and analyzed clinical data from our health system database of more than 3300 patients. Using a machine learning algorithm, we identified a prominent signature of neutrophil activation, including resistin, lipocalin-2, hepatocyte growth factor, interleukin-8, and granulocyte colony-stimulating factor, which were the strongest predictors of critical illness. Evidence of neutrophil activation was present on the first day of hospitalization in patients who would only later require transfer to the intensive care unit, thus preceding the onset of critical illness and predicting increased mortality. In the health system database, early elevations in developing and mature neutrophil counts also predicted higher mortality rates. Altogether, these data suggest a central role for neutrophil activation in the pathogenesis of severe COVID-19 and identify molecular markers that distinguish patients at risk of future clinical decompensation.
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Affiliation(s)
| | | | - Jason D Bishai
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
- Department of Microbial Pathogenesis, Yale School of Medicine, New Haven, CT
| | - George Goshua
- Section of Hematology, Department of Internal Medicine
| | | | - Michael Simonov
- Clinical and Translational Research Accelerator, Department of Internal Medicine
- Department of Dermatology, and
| | - C-Hong Chang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | - Hanming Zhang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | - Marcus Shallow
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | - Parveen Bahel
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT
| | - Kent Owusu
- Department of Pharmacy, Yale New Haven Health System, New Haven, CT
| | - Yu Yamamoto
- Clinical and Translational Research Accelerator, Department of Internal Medicine
| | - Tanima Arora
- Clinical and Translational Research Accelerator, Department of Internal Medicine
| | - Deepak S Atri
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, Boston, MA; and
| | - Amisha Patel
- Section of Hematology, Department of Internal Medicine
| | - Rana Gbyli
- Section of Hematology, Department of Internal Medicine
| | - Jennifer Kwan
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | - Christine H Won
- Section of Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, and
| | - Charles Dela Cruz
- Section of Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, and
| | - Christina Price
- Section of Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Jonathan Koff
- Section of Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, and
| | - Brett A King
- Section of Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT
| | - Henry M Rinder
- Section of Hematology, Department of Internal Medicine
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT
| | - F Perry Wilson
- Clinical and Translational Research Accelerator, Department of Internal Medicine
| | - John Hwa
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | | | | | - David van Dijk
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
| | - Alfred I Lee
- Section of Hematology, Department of Internal Medicine
| | - Hyung J Chun
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, and
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10
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Meizlish ML, Pine AB, Bishai JD, Goshua G, Nadelmann ER, Simonov M, Chang CH, Zhang H, Shallow M, Bahel P, Owusu K, Yamamoto Y, Arora T, Atri DS, Patel A, Gbyli R, Kwan J, Won CH, Dela Cruz C, Price C, Koff J, King BA, Rinder HM, Wilson FP, Hwa J, Halene S, Damsky W, van Dijk D, Lee AI, Chun H. A neutrophil activation signature predicts critical illness and mortality in COVID-19. medRxiv 2020. [PMID: 32908988 DOI: 10.1101/2020.09.01.20183897] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Pathologic immune hyperactivation is emerging as a key feature of critical illness in COVID-19, but the mechanisms involved remain poorly understood. We carried out proteomic profiling of plasma from cross-sectional and longitudinal cohorts of hospitalized patients with COVID-19 and analyzed clinical data from our health system database of over 3,300 patients. Using a machine learning algorithm, we identified a prominent signature of neutrophil activation, including resistin, lipocalin-2, HGF, IL-8, and G-CSF, as the strongest predictors of critical illness. Neutrophil activation was present on the first day of hospitalization in patients who would only later require transfer to the intensive care unit, thus preceding the onset of critical illness and predicting increased mortality. In the health system database, early elevations in developing and mature neutrophil counts also predicted higher mortality rates. Altogether, we define an essential role for neutrophil activation in the pathogenesis of severe COVID-19 and identify molecular neutrophil markers that distinguish patients at risk of future clinical decompensation.
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11
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Ugonotti J, Chatterjee S, Thaysen-Andersen M. Structural and functional diversity of neutrophil glycosylation in innate immunity and related disorders. Mol Aspects Med 2020; 79:100882. [PMID: 32847678 DOI: 10.1016/j.mam.2020.100882] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 07/14/2020] [Indexed: 12/11/2022]
Abstract
The granulated neutrophils are abundant innate immune cells that utilize bioactive glycoproteins packed in cytosolic granules to fight pathogenic infections, but the neutrophil glycobiology remains poorly understood. Facilitated by technological advances in glycoimmunology, systems glycobiology and glycoanalytics, a considerable body of literature reporting on novel aspects of neutrophil glycosylation has accumulated. Herein, we summarize the building knowledge of the structural and functional diversity displayed by N- and O-linked glycoproteins spatiotemporally expressed and sequentially brought-into-action across the diverse neutrophil life stages during bone marrow maturation, movements to, from and within the blood circulation and microbicidal processes at the inflammatory sites in peripheral tissues. It transpires that neutrophils abundantly decorate their granule glycoproteins including neutrophil elastase, myeloperoxidase and cathepsin G with peculiar glyco-signatures not commonly reported in other areas of human glycobiology such as hyper-truncated chitobiose core- and paucimannosidic-type N-glycans and monoantennary complex-type N-glycans. Sialyl Lewisx, Lewisx, poly-N-acetyllactosamine extensions and core 1-/2-type O-glycans are also common neutrophil glyco-signatures. Granule-specific glycosylation is another fascinating yet not fully understood feature of neutrophils. Recent literature suggests that unconventional biosynthetic pathways and functions underpin these prominent neutrophil-associated glyco-phenotypes. The impact of glycosylation on key neutrophil effector functions including extravasation, degranulation, phagocytosis and formation of neutrophil extracellular traps during normal physiological conditions and in innate immune-related diseases is discussed. We also highlight new technologies that are expected to further advance neutrophil glycobiology and briefly discuss the untapped diagnostic and therapeutic potential of neutrophil glycosylation that could open avenues to combat the increasingly prevalent innate immune disorders.
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Affiliation(s)
- Julian Ugonotti
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia
| | - Sayantani Chatterjee
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia
| | - Morten Thaysen-Andersen
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, 2109, Australia; Biomolecular Discovery Research Centre, Macquarie University, Sydney, NSW, 2109, Australia.
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12
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Kwok I, Becht E, Xia Y, Ng M, Teh YC, Tan L, Evrard M, Li JLY, Tran HTN, Tan Y, Liu D, Mishra A, Liong KH, Leong K, Zhang Y, Olsson A, Mantri CK, Shyamsunder P, Liu Z, Piot C, Dutertre CA, Cheng H, Bari S, Ang N, Biswas SK, Koeffler HP, Tey HL, Larbi A, Su IH, Lee B, St John A, Chan JKY, Hwang WYK, Chen J, Salomonis N, Chong SZ, Grimes HL, Liu B, Hidalgo A, Newell EW, Cheng T, Ginhoux F, Ng LG. Combinatorial Single-Cell Analyses of Granulocyte-Monocyte Progenitor Heterogeneity Reveals an Early Uni-potent Neutrophil Progenitor. Immunity 2020; 53:303-318.e5. [PMID: 32579887 DOI: 10.1016/j.immuni.2020.06.005] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/14/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023]
Abstract
Granulocyte-monocyte progenitors (GMPs) have been previously defined for their potential to generate various myeloid progenies such as neutrophils and monocytes. Although studies have proposed lineage heterogeneity within GMPs, it is unclear if committed progenitors already exist among these progenitors and how they may behave differently during inflammation. By combining single-cell transcriptomic and proteomic analyses, we identified the early committed progenitor within the GMPs responsible for the strict production of neutrophils, which we designate as proNeu1. Our dissection of the GMP hierarchy led us to further identify a previously unknown intermediate proNeu2 population. Similar populations could be detected in human samples. proNeu1s, but not proNeu2s, selectively expanded during the early phase of sepsis at the expense of monocytes. Collectively, our findings help shape the neutrophil maturation trajectory roadmap and challenge the current definition of GMPs.
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Affiliation(s)
- Immanuel Kwok
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore.
| | - Etienne Becht
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Yu Xia
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; Zhiyuan College, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Melissa Ng
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Ye Chean Teh
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore 117558, Singapore
| | - Leonard Tan
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore
| | - Maximilien Evrard
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Jackson L Y Li
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Hoa T N Tran
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Yingrou Tan
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; National Skin Centre, 1 Mandalay Road, Singapore 308205, Singapore
| | - Dehua Liu
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Archita Mishra
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Ka Hang Liong
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Keith Leong
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Yuning Zhang
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Andre Olsson
- Division of Immunobiology and Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Chinmay Kumar Mantri
- Program in Emerging Infectious Diseases, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
| | - Pavithra Shyamsunder
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore; Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Zhaoyuan Liu
- Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China
| | - Cecile Piot
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Charles-Antoine Dutertre
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Hui Cheng
- State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China; Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin 300020, China; Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Sudipto Bari
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore; National Cancer Centre Singapore, Singapore 169610, Singapore
| | - Nicholas Ang
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Subhra K Biswas
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - H Philip Koeffler
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore; Cedars-Sinai Medical Center, Division of Hematology/Oncology, UCLA School of Medicine, Los Angeles, CA 90048, USA; Department of Hematology-Oncology, National University Cancer Institute of Singapore, National University Hospital, Singapore 119074, Singapore
| | - Hong Liang Tey
- National Skin Centre, 1 Mandalay Road, Singapore 308205, Singapore
| | - Anis Larbi
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - I-Hsin Su
- School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore
| | - Bernett Lee
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Ashley St John
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore; Program in Emerging Infectious Diseases, Duke-National University of Singapore Medical School, Singapore 169857, Singapore; Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA; SingHealth Duke-National University of Singapore Global Health Institute, Singapore 168753, Singapore
| | - Jerry K Y Chan
- Department of Reproductive Medicine, KK Women's and Children's Hospital, Singapore 229899, Singapore; Experimental Fetal Medicine Group, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
| | - William Y K Hwang
- Cancer & Stem Cell Biology, Duke-NUS Medical School, Singapore 169857, Singapore; National Cancer Centre Singapore, Singapore 169610, Singapore; Department of Hematology, Singapore General Hospital, Singapore 169608, Singapore
| | - Jinmiao Chen
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Nathan Salomonis
- Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Shu Zhen Chong
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - H Leighton Grimes
- Division of Immunobiology and Center for Systems Immunology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Bing Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China; State Key Laboratory of Proteomics, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing 100071, China; State Key Laboratory of Experimental Hematology, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100071, China; Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Andrés Hidalgo
- Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid 28029, Spain
| | - Evan W Newell
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore
| | - Tao Cheng
- State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China; Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin 300020, China; Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai 200025, China; Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore 169856, Singapore
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A∗STAR (Agency for Science, Technology and Research), Biopolis, Singapore 138648, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore 637551, Singapore; Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore; State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China; National Cancer Centre Singapore, Singapore 169610, Singapore.
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13
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Seguin A, Jia X, Earl AM, Li L, Wallace J, Qiu A, Bradley T, Shrestha R, Troadec MB, Hockin M, Titen S, Warner DE, Dowdle PT, Wohlfahrt ME, Hillas E, Firpo MA, Phillips JD, Kaplan J, Paw BH, Barasch J, Ward DM. The mitochondrial metal transporters mitoferrin1 and mitoferrin2 are required for liver regeneration and cell proliferation in mice. J Biol Chem 2020; 295:11002-11020. [PMID: 32518166 DOI: 10.1074/jbc.ra120.013229] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 06/04/2020] [Indexed: 01/31/2023] Open
Abstract
Mitochondrial iron import is essential for iron-sulfur cluster formation and heme biosynthesis. Two nuclear-encoded vertebrate mitochondrial high-affinity iron importers, mitoferrin1 (Mfrn1) and Mfrn2, have been identified in mammals. In mice, the gene encoding Mfrn1, solute carrier family 25 member 37 (Slc25a37), is highly expressed in sites of erythropoiesis, and whole-body Slc25a37 deletion leads to lethality. Here, we report that mice with a deletion of Slc25a28 (encoding Mfrn2) are born at expected Mendelian ratios, but show decreased male fertility due to reduced sperm numbers and sperm motility. Mfrn2 -/- mice placed on a low-iron diet exhibited reduced mitochondrial manganese, cobalt, and zinc levels, but not reduced iron. Hepatocyte-specific loss of Slc25a37 (encoding Mfrn1) in Mfrn2 -/- mice did not affect animal viability, but resulted in a 40% reduction in mitochondrial iron and reduced levels of oxidative phosphorylation proteins. Placing animals on a low-iron diet exaggerated the reduction in mitochondrial iron observed in liver-specific Mfrn1/2-knockout animals. Mfrn1 -/-/Mfrn2 -/- bone marrow-derived macrophages or skin fibroblasts in vitro were unable to proliferate, and overexpression of Mfrn1-GFP or Mfrn2-GFP prevented this proliferation defect. Loss of both mitoferrins in hepatocytes dramatically reduced regeneration in the adult mouse liver, further supporting the notion that both mitoferrins transport iron and that their absence limits proliferative capacity of mammalian cells. We conclude that Mfrn1 and Mfrn2 contribute to mitochondrial iron homeostasis and are required for high-affinity iron import during active proliferation of mammalian cells.
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Affiliation(s)
- Alexandra Seguin
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Xuan Jia
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Aubree M Earl
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Liangtao Li
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Jared Wallace
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Andong Qiu
- Columbia University, New York, New York, USA
| | - Thomas Bradley
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Rishna Shrestha
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Marie-Bérengère Troadec
- University Brest, Inserm, EFS, UMR 1078, GGB, F-29200, Brest, France.,CHRU Brest, Service of Genetics, Laboratory of Chromosome Genetics, Brest, France
| | - Matt Hockin
- Department of Human Genetics, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Simon Titen
- Department of Human Genetics, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Dave E Warner
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - P Tom Dowdle
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Martin E Wohlfahrt
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Elaine Hillas
- Department of General Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Matthew A Firpo
- Department of General Surgery, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - John D Phillips
- Department of Medicine, University of Utah School of Medicine, Salt Lake City, Utah
| | - Jerry Kaplan
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Barry H Paw
- Harvard Medical School, Children's Hospital, Boston, Massachusetts, USA
| | | | - Diane M Ward
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, USA
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Lodge KM, Cowburn AS, Li W, Condliffe AM. The Impact of Hypoxia on Neutrophil Degranulation and Consequences for the Host. Int J Mol Sci 2020; 21:ijms21041183. [PMID: 32053993 PMCID: PMC7072819 DOI: 10.3390/ijms21041183] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/06/2020] [Accepted: 02/08/2020] [Indexed: 12/16/2022] Open
Abstract
Neutrophils are key effector cells of innate immunity, rapidly recruited to defend the host against invading pathogens. Neutrophils may kill pathogens intracellularly, following phagocytosis, or extracellularly, by degranulation and the release of neutrophil extracellular traps; all of these microbicidal strategies require the deployment of cytotoxic proteins and proteases, packaged during neutrophil development within cytoplasmic granules. Neutrophils operate in infected and inflamed tissues, which can be profoundly hypoxic. Neutrophilic infiltration of hypoxic tissues characterises a myriad of acute and chronic infectious and inflammatory diseases, and as well as potentially protecting the host from pathogens, neutrophil granule products have been implicated in causing collateral tissue damage in these scenarios. This review discusses the evidence for the enhanced secretion of destructive neutrophil granule contents observed in hypoxic environments and the potential mechanisms for this heightened granule exocytosis, highlighting implications for the host. Understanding the dichotomy of the beneficial and detrimental consequences of neutrophil degranulation in hypoxic environments is crucial to inform potential neutrophil-directed therapeutics in order to limit persistent, excessive, or inappropriate inflammation.
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Affiliation(s)
- Katharine M. Lodge
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK; (K.M.L.); (A.S.C.)
| | - Andrew S. Cowburn
- Faculty of Medicine, National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK; (K.M.L.); (A.S.C.)
| | - Wei Li
- Department of Medicine, University of Cambridge, Cambridge CB2 0SP, UK;
| | - Alison M. Condliffe
- Department of Infection, Immunity and Cardiovascular Diseases, University of Sheffield, Sheffield S10 2RX, UK
- Correspondence:
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15
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Abstract
The human eosinophil has long been thought to favorably influence innate mucosal immunity but at times has also been incriminated in disease pathophysiology. Research into eosinophil biology has uncovered a number of interesting contributions by eosinophils to health and disease. However, it appears that not all eosinophils from all species are created equal. It remains unclear, for example, exactly how having eosinophils benefits the human host when helminth infections in the developed world have become scarce. This review focuses on our current state of knowledge as it relates to human eosinophils. When information is lacking, we discuss lessons learned from mouse studies that may or may not directly apply to human biology and disease. It is an exciting time to be an "eosinophilosopher" because the use of biologic agents that selectively target eosinophils provides an unprecedented opportunity to define the contribution of this cell to eosinophil-associated human diseases.
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Affiliation(s)
- Amy D Klion
- Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA;
| | - Steven J Ackerman
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, Illinois 60607, USA;
| | - Bruce S Bochner
- Department of Medicine, Division of Allergy and Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA;
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Leszcynska M, Patel B, Morrow M, Chamizo W, Tuite G, Berman DM, Potthast K, Hsu AP, Holland SM, Leiding JW. Brain Abscess as Severe Presentation of Specific Granule Deficiency. Front Pediatr 2020; 8:117. [PMID: 32391290 PMCID: PMC7188777 DOI: 10.3389/fped.2020.00117] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 03/05/2020] [Indexed: 11/29/2022] Open
Abstract
Severe invasive infections such as brain abscess in a child should prompt an immune evaluation. Specific granule deficiency (SGD) is a rare morphologic neutrophil granular defect characterized by reduced granules within neutrophils, absence of granule proteins, and bilobed nuclei. Patients are susceptible to invasive bacterial infections and Candida infections. Mutations in CCAT/enhancer binding protein epsilon (C/EBP-ε) are the most commonly described cause of SGD. The dihydrorhodamine assay is a quantitative and qualitative functional test that determines the oxidative burst and killing potential of neutrophils. Herein, we describe two brothers with specific granule deficiency. The index patient had a history of cellulitis twice in the first year of life and then presented at 13 months age with fever, leukocytosis, and right sided weakness. A large space occupying brain abscess was diagnosed. He underwent surgical drainage and cultures yielded Staphylococcus aureus. This infection prompted his diagnosis. His older brother had also been healthy but too had had several episodes of cellulitis. His brother too was diagnosed with SGD when family genetic screening was performed. Evaluation of the index patient included a peripheral smear that showed absent neutrophil granule presence. Forward and side scatter of whole blood via flow cytometry revealed a loss of granularity of neutrophils. A DHR was performed to rule out functional killing defects. After stimulation with PMA, neutrophils from the index patient displayed three distinct patterns, two with abnormal oxidase production, and two with reduced function. Both patients were ultimately diagnosed with SGD and remain on lifelong anti-bacterial prophylaxis. Diagnosis of SGD relies on establishing reduced or absent granularity within neutrophils. Lifelong anti-bacterial and anti-fungal prophylaxis is indicated. Hematopoietic cell transplantation has also been curative.
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Affiliation(s)
- Maria Leszcynska
- Pediatric Residency Training Program, Johns Hopkins-All Children's Hospital, St. Petersburg, FL, United States
| | - Bhumika Patel
- Division of Allergy and Immunology, Department of Pediatrics, University of South Florida, St. Petersburg, FL, United States
| | - Matthew Morrow
- Immunology Lab, Department of Pathology and Laboratory Medicine, Johns Hopkins All Children's Hospital, St. Petersburg, FL, United States
| | - Wil Chamizo
- Immunology Lab, Department of Pathology and Laboratory Medicine, Johns Hopkins All Children's Hospital, St. Petersburg, FL, United States
| | - Gerald Tuite
- Pediatric Neurosurgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL, United States
| | - David M Berman
- Pediatric Infectious Diseases, Johns Hopkins All Children's Hospital, St. Petersburg, FL, United States
| | - Kevin Potthast
- Department of Radiology, Johns Hopkins All Children's Hospital, St. Petersburg, FL, United States
| | - Amy P Hsu
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Steven M Holland
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Jennifer W Leiding
- Division of Allergy and Immunology, Department of Pediatrics, University of South Florida, St. Petersburg, FL, United States
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17
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Göös H, Fogarty CL, Sahu B, Plagnol V, Rajamäki K, Nurmi K, Liu X, Einarsdottir E, Jouppila A, Pettersson T, Vihinen H, Krjutskov K, Saavalainen P, Järvinen A, Muurinen M, Greco D, Scala G, Curtis J, Nordström D, Flaumenhaft R, Vaarala O, Kovanen PE, Keskitalo S, Ranki A, Kere J, Lehto M, Notarangelo LD, Nejentsev S, Eklund KK, Varjosalo M, Taipale J, Seppänen MRJ. Gain-of-function CEBPE mutation causes noncanonical autoinflammatory inflammasomopathy. J Allergy Clin Immunol 2019; 144:1364-1376. [PMID: 31201888 PMCID: PMC11057357 DOI: 10.1016/j.jaci.2019.06.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 05/06/2019] [Accepted: 06/04/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND CCAAT enhancer-binding protein epsilon (C/EBPε) is a transcription factor involved in late myeloid lineage differentiation and cellular function. The only previously known disorder linked to C/EBPε is autosomal recessive neutrophil-specific granule deficiency leading to severely impaired neutrophil function and early mortality. OBJECTIVE The aim of this study was to molecularly characterize the effects of C/EBPε transcription factor Arg219His mutation identified in a Finnish family with previously genetically uncharacterized autoinflammatory and immunodeficiency syndrome. METHODS Genetic analysis, proteomics, genome-wide transcriptional profiling by means of RNA-sequencing, chromatin immunoprecipitation (ChIP) sequencing, and assessment of the inflammasome function of primary macrophages were performed. RESULTS Studies revealed a novel mechanism of genome-wide gain-of-function that dysregulated transcription of 464 genes. Mechanisms involved dysregulated noncanonical inflammasome activation caused by decreased association with transcriptional repressors, leading to increased chromatin occupancy and considerable changes in transcriptional activity, including increased expression of NLR family, pyrin domain-containing 3 protein (NLRP3) and constitutively expressed caspase-5 in macrophages. CONCLUSION We describe a novel autoinflammatory disease with defective neutrophil function caused by a homozygous Arg219His mutation in the transcription factor C/EBPε. Mutated C/EBPε acts as a regulator of both the inflammasome and interferome, and the Arg219His mutation causes the first human monogenic neomorphic and noncanonical inflammasomopathy/immunodeficiency. The mechanism, including widely dysregulated transcription, is likely not unique for C/EBPε. Similar multiomics approaches should also be used in studying other transcription factor-associated diseases.
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Affiliation(s)
- Helka Göös
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Christopher L Fogarty
- Folkhälsan Research Center, Helsinki, Finland; Abdominal Center Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Diabetes & Obesity Research Program, Research Program's Unit, University of Helsinki, Helsinki, Finland; Institute of Clinical Medicine, University of Helsinki, Helsinki, Finland
| | - Biswajyoti Sahu
- Research Programs Unit, Genome-Scale Biology, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Vincent Plagnol
- University College London Genetics Institute, University College London, London, United Kingdom
| | - Kristiina Rajamäki
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Katariina Nurmi
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Xiaonan Liu
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Elisabet Einarsdottir
- Folkhälsan Institute of Genetics, Helsinki, Finland; Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden; Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland
| | - Annukka Jouppila
- Helsinki University Hospital Research Institute, Helsinki, Finland
| | - Tom Pettersson
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Internal Medicine and Rehabilitation, Helsinki University Hospital, Helsinki, Finland
| | - Helena Vihinen
- Electron Microscopy Unit, Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Kaarel Krjutskov
- Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden; Helsinki University Hospital Research Institute, Helsinki, Finland; Competence Centre on Health Technologies, Tartu, Estonia
| | - Päivi Saavalainen
- Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland; Department of Medical and Clinical Genetics, University of Helsinki, Helsinki, Finland
| | - Asko Järvinen
- Adult Immunodeficiency Unit, Infectious Diseases, Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Mari Muurinen
- Folkhälsan Institute of Genetics, Helsinki, Finland; Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland
| | - Dario Greco
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland; Faculty of Medicine and Life Sciences & Institute of Biosciences and Medical Technology, University of Tampere, Tampere, Finland
| | - Giovanni Scala
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland; Faculty of Medicine and Life Sciences & Institute of Biosciences and Medical Technology, University of Tampere, Tampere, Finland
| | - James Curtis
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Dan Nordström
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Rheumatology, Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Robert Flaumenhaft
- Beth Israel Deaconess Medical Center, Department of Medicine, Harvard Medical School, Boston, Mass
| | - Outi Vaarala
- Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Respiratory, Inflammation and Autoimmunity, Innovative Medicine, AstraZeneca, Mölndal, Sweden
| | - Panu E Kovanen
- Department of Pathology, University of Helsinki, and HUSLAB, Helsinki University Hospital, Helsinki, Finland
| | - Salla Keskitalo
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Annamari Ranki
- Department of Dermatology, Allergology and Venereal Diseases, Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Juha Kere
- Folkhälsan Institute of Genetics, Helsinki, Finland; Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden; Research Programs Unit, Molecular Neurology, University of Helsinki, Helsinki, Finland; School of Basic and Medical Biosciences, King's College London, Guy's Hospital, London, United Kingdom
| | - Markku Lehto
- Folkhälsan Research Center, Helsinki, Finland; Abdominal Center Nephrology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Diabetes & Obesity Research Program, Research Program's Unit, University of Helsinki, Helsinki, Finland
| | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Sergey Nejentsev
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Kari K Eklund
- Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Department of Rheumatology, Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Orton Orthopaedic Hospital and Research Institute, Invalid Foundation, Helsinki, Finland
| | - Markku Varjosalo
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Jussi Taipale
- Research Programs Unit, Genome-Scale Biology, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland; Division of Functional Genomics and Systems Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Solna, Sweden; Department of Biochemistry, Cambridge University, Cambridge, United Kingdom
| | - Mikko R J Seppänen
- Adult Immunodeficiency Unit, Infectious Diseases, Inflammation Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Rare Diseases Center and Pediatric Research Center, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
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18
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Cassatella MA, Östberg NK, Tamassia N, Soehnlein O. Biological Roles of Neutrophil-Derived Granule Proteins and Cytokines. Trends Immunol 2019; 40:648-664. [PMID: 31155315 DOI: 10.1016/j.it.2019.05.003] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/03/2019] [Accepted: 05/03/2019] [Indexed: 12/30/2022]
Abstract
Neutrophils, the most abundant white blood cells in human circulation, entertain intense interactions with other leukocyte subsets, platelets, and stromal cells. Molecularly, such interactions are typically communicated through proteins generated during granulopoiesis, stored in granules, or produced on demand. Here, we provide an overview of the mammalian regulation of granule protein production in the bone marrow and the de novo synthesis of cytokines by neutrophils recruited to tissues. In addition, we discuss some of the known biological roles of these protein messengers, and how neutrophil-borne granule proteins and cytokines can synergize to modulate inflammation and tumor development. Decoding the neutrophil interactome is important for therapeutically neutralizing individual proteins to putatively dampen inflammation, or for delivering modified neutrophil-borne proteins to boost host defense.
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Affiliation(s)
| | - Nataliya K Östberg
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden; Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Nicola Tamassia
- Department of Medicine, Section of General Pathology, University of Verona, Verona, Italy
| | - Oliver Soehnlein
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden; Department of Medicine, Karolinska Institutet, Stockholm, Sweden; Institute for Cardiovascular Prevention (IPEK), Klinikum der LMU, München, Germany; German Centre for Cardiovascular Research (DZHK), Partner site, Munich, Germany.
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19
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Grabowski P, Hesse S, Hollizeck S, Rohlfs M, Behrends U, Sherkat R, Tamary H, Ünal E, Somech R, Patıroğlu T, Canzar S, van der Werff Ten Bosch J, Klein C, Rappsilber J. Proteome Analysis of Human Neutrophil Granulocytes From Patients With Monogenic Disease Using Data-independent Acquisition. Mol Cell Proteomics 2019; 18:760-772. [PMID: 30630937 PMCID: PMC6442368 DOI: 10.1074/mcp.ra118.001141] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/14/2018] [Indexed: 11/06/2022] Open
Abstract
Neutrophil granulocytes are critical mediators of innate immunity and tissue regeneration. Rare diseases of neutrophil granulocytes may affect their differentiation and/or functions. However, there are very few validated diagnostic tests assessing the functions of neutrophil granulocytes in these diseases. Here, we set out to probe omics analysis as a novel diagnostic platform for patients with defective differentiation and function of neutrophil granulocytes. We analyzed highly purified neutrophil granulocytes from 68 healthy individuals and 16 patients with rare monogenic diseases. Cells were isolated from fresh venous blood (purity >99%) and used to create a spectral library covering almost 8000 proteins using strong cation exchange fractionation. Patient neutrophil samples were then analyzed by data-independent acquisition proteomics, quantifying 4154 proteins in each sample. Neutrophils with mutations in the neutrophil elastase gene ELANE showed large proteome changes that suggest these mutations may affect maturation of neutrophil granulocytes and initiate misfolded protein response and cellular stress mechanisms. In contrast, only few proteins changed in patients with leukocyte adhesion deficiency (LAD) and chronic granulomatous disease (CGD). Strikingly, neutrophil transcriptome analysis showed no correlation with its proteome. In case of two patients with undetermined genetic causes, proteome analysis guided the targeted genetic diagnostics and uncovered the underlying genomic mutations. Data-independent acquisition proteomics may help to define novel pathomechanisms in neutrophil diseases and provide a clinically useful diagnostic dimension.
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Affiliation(s)
- Piotr Grabowski
- From the ‡Bioanalytics, Institute of Biotechnology, Technische Universität Berlin, 13355 Berlin, Germany
| | - Sebastian Hesse
- §Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Sebastian Hollizeck
- §Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Meino Rohlfs
- §Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Uta Behrends
- ‖Children's Hospital, Hematology-Oncology, Technical University Munich, 80804 Munich, Germany
| | - Roya Sherkat
- Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hannah Tamary
- Schneider Children's Medical Center of Israel, Petah Tikva, Sackler School of Medicine, Tel Aviv University, Israel
| | - Ekrem Ünal
- Department of Pediatrics, Division of Pediatric Hematology & Oncology, Erciyes University, Kayseri, Turkey
| | - Raz Somech
- Pediatric Department A and Immunology Service, Jeffrey Modell Foundation Center, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Sackler Faculty of Medicine, Tel Aviv University Tel Aviv, Israel
| | - Türkan Patıroğlu
- Department of Pediatrics, Division of Pediatric Hematology & Oncology, Erciyes University, Kayseri, Turkey
| | - Stefan Canzar
- Gene Center, Ludwig-Maximilians-Universität München, Munich, Germany
| | | | - Christoph Klein
- §Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, LMU Munich, 80337 Munich, Germany;.
| | - Juri Rappsilber
- From the ‡Bioanalytics, Institute of Biotechnology, Technische Universität Berlin, 13355 Berlin, Germany;; ¶Wellcome Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3BF, UK;.
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20
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Yang P, Li Y, Xie Y, Liu Y. Different Faces for Different Places: Heterogeneity of Neutrophil Phenotype and Function. J Immunol Res 2019; 2019:8016254. [PMID: 30944838 DOI: 10.1155/2019/8016254] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 09/22/2018] [Accepted: 01/03/2019] [Indexed: 02/05/2023] Open
Abstract
As the most abundant leukocytes in the circulation, neutrophils are committed to innate and adaptive immune effector function to protect the human body. They are capable of killing intruding microbes through various ways including phagocytosis, release of granules, and formation of extracellular traps. Recent research has revealed that neutrophils are heterogeneous in phenotype and function and can display outstanding plasticity in both homeostatic and disease states. The great flexibility and elasticity arm neutrophils with important regulatory and controlling functions in various disease states such as autoimmunity and inflammation as well as cancer. Hence, this review will focus on recent literature describing neutrophils' variable and diverse phenotypes and functions in different contexts.
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21
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Kugadas A, Geddes-McAlister J, Guy E, DiGiandomenico A, Sykes DB, Mansour MK, Mirchev R, Gadjeva M. Frontline Science: Employing enzymatic treatment options for management of ocular biofilm-based infections. J Leukoc Biol 2019; 105:1099-1110. [PMID: 30690787 PMCID: PMC6618031 DOI: 10.1002/jlb.4hi0918-364rr] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 01/15/2019] [Accepted: 01/16/2019] [Indexed: 12/22/2022] Open
Abstract
Pseudomonas aeruginosa-induced corneal keratitis is a sight-threatening disease. The rise of antibiotic resistance among P. aeruginosa keratitis isolates makes treatment of this disease challenging, emphasizing the need for alternative therapeutic modalities. By comparing the responses to P. aeruginosa infection between an outbred mouse strain (Swiss Webster, SW) and a susceptible mouse strain (C57BL6/N), we found that the inherent neutrophil-killing abilities of these strains correlated with their susceptibility to infection. Namely, SW-derived neutrophils were significantly more efficient at killing P. aeruginosa in vitro than C57BL6/N-derived neutrophils. To interrogate whether the distinct neutrophil killing capacities were dependent on endogenous or exogenous factors, neutrophil progenitor cell lines were generated. The in vitro differentiated neutrophils from either SW or C57BL6/N progenitors retained the differential killing abilities, illustrating that endogenous factors conferred resistance. Consistently, quantitative LC-MS/MS analysis revealed strain-specific and infection-induced alterations of neutrophil proteomes. Among the distinctly elevated proteins in the SW-derived proteomes were α-mannosidases, potentially associated with protection. Inhibition of α-mannosidases reduced neutrophil bactericidal functions in vitro. Conversely, topical application of α-mannosidases reduced bacterial biofilms and burden of infected corneas. Cumulatively, these data suggest novel therapeutic approaches to control bacterial biofilm assembly and improve bacterial clearance via enzymatic treatments.
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Affiliation(s)
- Abirami Kugadas
- Department of Medicine, Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jennifer Geddes-McAlister
- Proteomics and Signal Transduction Department, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Emilia Guy
- Department of Medicine, Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - David B Sykes
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Michael K Mansour
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Rossen Mirchev
- Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, USA
| | - Mihaela Gadjeva
- Department of Medicine, Division of Infectious Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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