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Bouti P, Webbers SDS, Fagerholm SC, Alon R, Moser M, Matlung HL, Kuijpers TW. β2 Integrin Signaling Cascade in Neutrophils: More Than a Single Function. Front Immunol 2021; 11:619925. [PMID: 33679708 PMCID: PMC7930317 DOI: 10.3389/fimmu.2020.619925] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/31/2020] [Indexed: 12/13/2022] Open
Abstract
Neutrophils are the most prevalent leukocytes in the human body. They have a pivotal role in the innate immune response against invading bacterial and fungal pathogens, while recent emerging evidence also demonstrates their role in cancer progression and anti-tumor responses. The efficient execution of many neutrophil effector responses requires the presence of β2 integrins, in particular CD11a/CD18 or CD11b/CD18 heterodimers. Although extensively studied at the molecular level, the exact signaling cascades downstream of β2 integrins still remain to be fully elucidated. In this review, we focus mainly on inside-out and outside-in signaling of these two β2 integrin members expressed on neutrophils and describe differences between various neutrophil stimuli with respect to integrin activation, integrin ligand binding, and the pertinent differences between mouse and human studies. Last, we discuss how integrin signaling studies could be used to explore the therapeutic potential of targeting β2 integrins and the intracellular signaling cascade in neutrophils in several, among other, inflammatory conditions in which neutrophil activity should be dampened to mitigate disease.
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Affiliation(s)
- Panagiota Bouti
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Steven D S Webbers
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands.,Department of Pediatric Immunology, Rheumatology and Infectious Disease, Amsterdam University Medical Center (AUMC), Emma Children's Hospital, University of Amsterdam, Amsterdam, Netherlands
| | - Susanna C Fagerholm
- Research Program of Molecular and Integrative Biosciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Ronen Alon
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
| | - Markus Moser
- Institute of Experimental Hematology, School of Medicine, Technical University of Munich, Munich, Germany
| | - Hanke L Matlung
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Taco W Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands.,Department of Pediatric Immunology, Rheumatology and Infectious Disease, Amsterdam University Medical Center (AUMC), Emma Children's Hospital, University of Amsterdam, Amsterdam, Netherlands
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2
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Biological characteristics of aging in human acute myeloid leukemia cells: the possible importance of aldehyde dehydrogenase, the cytoskeleton and altered transcriptional regulation. Aging (Albany NY) 2020; 12:24734-24777. [PMID: 33349623 PMCID: PMC7803495 DOI: 10.18632/aging.202361] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/20/2020] [Indexed: 12/19/2022]
Abstract
Patients with acute myeloid leukemia (AML) have a median age of 65-70 years at diagnosis. Elderly patients have more chemoresistant disease, and this is partly due to decreased frequencies of favorable and increased frequencies of adverse genetic abnormalities. However, aging-dependent differences may also contribute. We therefore compared AML cell proteomic and phosphoproteomic profiles for (i) elderly low-risk and younger low-risk patients with favorable genetic abnormalities; and (ii) high-risk patients with adverse genetic abnormalities and a higher median age against all low-risk patients with lower median age. Elderly low-risk and younger low-risk patients showed mainly phosphoproteomic differences especially involving transcriptional regulators and cytoskeleton. When comparing high-risk and low-risk patients both proteomic and phosphoproteomic studies showed differences involving cytoskeleton and immunoregulation but also transcriptional regulation and cell division. The age-associated prognostic impact of cyclin-dependent kinases was dependent on the cellular context. The protein level of the adverse prognostic biomarker mitochondrial aldehyde dehydrogenase (ALDH2) showed a similar significant upregulation both in elderly low-risk and elderly high-risk patients. Our results suggest that molecular mechanisms associated with cellular aging influence chemoresistance of AML cells, and especially the cytoskeleton function may then influence cellular hallmarks of aging, e.g. mitosis, polarity, intracellular transport and adhesion.
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Makki MS, Winfree S, Lingeman JE, Witzmann FA, Worcester EM, Krambeck AE, Coe FL, Evan AP, Bledsoe S, Bergsland KJ, Khochare S, Barwinska D, Williams JC, El-Achkar TM. A Precision Medicine Approach Uncovers a Unique Signature of Neutrophils in Patients With Brushite Kidney Stones. Kidney Int Rep 2020; 5:663-677. [PMID: 32405588 PMCID: PMC7210605 DOI: 10.1016/j.ekir.2020.02.1025] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 02/10/2020] [Indexed: 12/22/2022] Open
Abstract
Introduction We have previously found that papillary histopathology differs greatly between calcium oxalate and brushite stone formers (SF); the latter have much more papillary mineral deposition, tubular cell injury, and tissue fibrosis. Methods In this study, we applied unbiased orthogonal omics approaches on biopsied renal papillae and extracted stones from patients with brushite or calcium oxalate (CaOx) stones. Our goal was to discover stone type-specific molecular signatures to advance our understanding of the underlying pathogenesis. Results Brushite SF did not differ from CaOx SF with respect to metabolic risk factors for stones but did exhibit increased tubule plugging in their papillae. Brushite SF had upregulation of inflammatory pathways in papillary tissue and increased neutrophil markers in stone matrix compared with those with CaOx stones. Large-scale 3-dimensional tissue cytometry on renal papillary biopsies showed an increase in the number and density of neutrophils in the papillae of patients with brushite versus CaOx, thereby linking the observed inflammatory signatures to the neutrophils in the tissue. To explain how neutrophil proteins appear in the stone matrix, we measured neutrophil extracellular trap (NET) formation—NETosis—and found it significantly increased in the papillae of patients with brushite stones compared with CaOx stones. Conclusion We show that increased neutrophil infiltration and NETosis is an unrecognized factor that differentiates brushite and CaOx SF and may explain the markedly increased scarring and inflammation seen in the papillae of patients with brushite stones. Given the increasing prevalence of brushite stones, the role of neutrophil activation in brushite stone formation requires further study.
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Affiliation(s)
- Mohammad Shahidul Makki
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Seth Winfree
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Cellular & Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - James E Lingeman
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Frank A Witzmann
- Department of Cellular & Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Elaine M Worcester
- Department of Medicine, Division of Nephrology, University of Chicago, Chicago, Illinois, USA
| | - Amy E Krambeck
- Department of Urology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Fredric L Coe
- Department of Medicine, Division of Nephrology, University of Chicago, Chicago, Illinois, USA
| | - Andrew P Evan
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Sharon Bledsoe
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Kristin J Bergsland
- Department of Medicine, Division of Nephrology, University of Chicago, Chicago, Illinois, USA
| | - Suraj Khochare
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Daria Barwinska
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - James C Williams
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Tarek M El-Achkar
- Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Cellular & Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana, USA.,Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
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Galkina SI, Fedorova NV, Golenkina EA, Stadnichuk VI, Sud’ina GF. Cytonemes Versus Neutrophil Extracellular Traps in the Fight of Neutrophils with Microbes. Int J Mol Sci 2020; 21:ijms21020586. [PMID: 31963289 PMCID: PMC7014225 DOI: 10.3390/ijms21020586] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 12/11/2022] Open
Abstract
Neutrophils can phagocytose microorganisms and destroy them intracellularly using special bactericides located in intracellular granules. Recent evidence suggests that neutrophils can catch and kill pathogens extracellularly using the same bactericidal agents. For this, live neutrophils create a cytoneme network, and dead neutrophils provide chromatin and proteins to form neutrophil extracellular traps (NETs). Cytonemes are filamentous tubulovesicular secretory protrusions of living neutrophils with intact nuclei. Granular bactericides are localized in membrane vesicles and tubules of which cytonemes are composed. NETs are strands of decondensed DNA associated with histones released by died neutrophils. In NETs, bactericidal neutrophilic agents are adsorbed onto DNA strands and are not covered with a membrane. Cytonemes and NETs occupy different places in protecting the body against infections. Cytonemes can develop within a few minutes at the site of infection through the action of nitric oxide or actin-depolymerizing alkaloids of invading microbes. The formation of NET in vitro occurs due to chromatin decondensation resulting from prolonged activation of neutrophils with PMA (phorbol 12-myristate 13-acetate) or other stimuli, or in vivo due to citrullination of histones with peptidylarginine deiminase 4. In addition to antibacterial activity, cytonemes are involved in cell adhesion and communications. NETs play a role in autoimmunity and thrombosis.
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Affiliation(s)
- Svetlana I. Galkina
- Lomonosov Moscow State University, A. N. Belozersky Institute of Physico-Chemical Biology, 119991 Moscow, Russia; (N.V.F.); (E.A.G.)
- Correspondence: (S.I.G.); (G.F.S.); Tel.: +7-495-939-5408 (S.I.G.)
| | - Natalia V. Fedorova
- Lomonosov Moscow State University, A. N. Belozersky Institute of Physico-Chemical Biology, 119991 Moscow, Russia; (N.V.F.); (E.A.G.)
| | - Ekaterina A. Golenkina
- Lomonosov Moscow State University, A. N. Belozersky Institute of Physico-Chemical Biology, 119991 Moscow, Russia; (N.V.F.); (E.A.G.)
| | | | - Galina F. Sud’ina
- Lomonosov Moscow State University, A. N. Belozersky Institute of Physico-Chemical Biology, 119991 Moscow, Russia; (N.V.F.); (E.A.G.)
- Correspondence: (S.I.G.); (G.F.S.); Tel.: +7-495-939-5408 (S.I.G.)
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Degroote RL, Weigand M, Hauck SM, Deeg CA. IL8 and PMA Trigger the Regulation of Different Biological Processes in Granulocyte Activation. Front Immunol 2020; 10:3064. [PMID: 32010136 PMCID: PMC6973177 DOI: 10.3389/fimmu.2019.03064] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 12/16/2019] [Indexed: 12/13/2022] Open
Abstract
The molecular mechanisms driving specific regulation of neutrophils are not completely understood to date. In order to characterize fundamental granulocyte features on protein level, we analyzed changes in proteome composition as reaction to stress from cell activation processes. For this purpose, we isolated primary granulocytes from equine whole blood through density gradient centrifugation followed by sodium chloride lysis and stimulated cells for 30 min with interleukin-8 (IL8) due to its role as a chemotactic factor for neutrophils. We additionally used phorbol 12-myristate 13-acetate (PMA) and lipopolysaccharide (LPS), which are primarily associated to neutrophil extracellular trap formation and release of reactive oxygen species. From mass spectrometry analysis, we identified a total of 2,032 proteins describing the whole granulocyte proteome, including 245 proteins (12% of identified proteome) newly associated to in vivo expression in primary equine granulocytes (hypothetical proteins). We also found distinct and different changes in protein abundance (ratio ≥ 2) after short stimulation of cells with various stimuli, pointing to rapid and differentiated reaction pattern. IL8 stimulation resulted in increased protein abundance of 58 proteins (3% of proteome), whereas PMA induced changed protein abundance of 207 (10 % of proteome) and LPS of 46 proteins (2% of proteome). Enrichment analyses clearly showed fundamental differences between stimuli, with primary association of IL8 stimulation to processes in immune response, receptor signaling and signal transduction. Top enrichment for PMA on the other hand pointed to vesicle mediated transport and exocytosis. Stimulation with LPS did not result in any significant enrichment. Although we detected 43% overlap of enrichment categories for IL8 and PMA stimulation, indicating that activation of neutrophils with different stimuli partly induces some similar biological processes and pathways, hierarchical clustering showed clear differences in distribution and biological relevance of clusters between the chosen stimuli. Our studies provide novel information on the granulocyte proteome and offer insights into early, differentiated granulocyte reaction to stimuli, which contribute to a better understanding of molecular mechanisms involved in activation and recruitment of neutrophils, through inflammatory stimuli.
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Affiliation(s)
- Roxane L Degroote
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, Munich, Germany
| | - Maria Weigand
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, Munich, Germany
| | - Stefanie M Hauck
- Research Unit Protein Science, Helmholtz Center Munich, German Research Center for Environmental Health GmbH, Munich, Germany
| | - Cornelia A Deeg
- Chair of Physiology, Department of Veterinary Sciences, LMU Munich, Munich, Germany
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Transketolase and vitamin B1 influence on ROS-dependent neutrophil extracellular traps (NETs) formation. PLoS One 2019; 14:e0221016. [PMID: 31415630 PMCID: PMC6695114 DOI: 10.1371/journal.pone.0221016] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Accepted: 07/30/2019] [Indexed: 12/23/2022] Open
Abstract
Neutrophil extracellular traps (NETs) are a recently identified, web-like, extracellular structure composed of decondensed nuclear DNA and associated antimicrobial granules. NETs are extruded into the extracellular environment via the reactive oxygen species (ROS)-dependent cell death pathway participating in inflammation and autoimmune diseases. Transketolase (TKT) is a thiamine pyrophosphate (vitamin B1)-dependent enzyme that links the pentose phosphate pathway with the glycolytic pathway by feeding excess sugar phosphates into the main carbohydrate metabolic pathways to generate biosynthetic reducing capacity in the form of NADPH as a substrate for ROS generation. In this work, TKT was selected as a lead candidate from 24 NET-associated proteins obtained by literature screening and knowledge gap assessment. Consequently, we determined whether TKT influenced NET formation in vitro. We firstly established that the release of ROS-dependent NETs was significantly decreased after purified human PMNs were pretreated with oxythiamine, a TKT inhibitor, and in a concentration dependent manner. As a cofactor for TKT reaction, we evaluated the release of NET formation either in vitamin B1 treatment or in combined use of oxythiamine and vitamin B1, and found that those treatments also exerted a significant suppressive effect on the amount of NET-DNA and ROS production. The regulation of TKT by oxythiamine and/or vitamin B1 may therefore be associated with response to the modulation of NET formation by preventing generation of excessive NETs in inflammatory diseases.
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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: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [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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8
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Expression and regulation of drug transporters in vertebrate neutrophils. Sci Rep 2017; 7:4967. [PMID: 28694436 PMCID: PMC5504015 DOI: 10.1038/s41598-017-04785-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 05/19/2017] [Indexed: 12/16/2022] Open
Abstract
There remains a need to identify novel pro-resolution drugs for treatment of inflammatory disease. To date, there are no neutrophil-specific anti-inflammatory treatments in clinical use, perhaps due to our lack of understanding of how drugs access this complex cell type. Here we present the first comprehensive description and expression of both major classes of drug transporters, SLC and ABC, in resting human blood neutrophils. Moreover, we have studied the expression of these carriers in the tractable model system, the zebrafish (Danio rerio), additionally examining the evolutionary relationship between drug transporters in zebrafish and humans. We anticipate that this will be a valuable resource to the field of inflammation biology and will be an important asset in future anti-inflammatory drug design.
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9
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Jaillon S, Ponzetta A, Magrini E, Barajon I, Barbagallo M, Garlanda C, Mantovani A. Fluid phase recognition molecules in neutrophil-dependent immune responses. Semin Immunol 2016; 28:109-18. [PMID: 27021644 DOI: 10.1016/j.smim.2016.03.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 03/09/2016] [Accepted: 03/12/2016] [Indexed: 01/01/2023]
Abstract
The innate immune system comprises both a cellular and a humoral arm. Neutrophils are key effector cells of the immune and inflammatory responses and have emerged as a major source of humoral pattern recognition molecules (PRMs). These molecules, which include collectins, ficolins, and pentraxins, are specialised in the discrimination of self versus non-self and modified-self and share basic multifunctional properties including recognition and opsonisation of pathogens and apoptotic cells, activation and regulation of the complement cascade and tuning of inflammation. Neutrophils act as a reservoir of ready-made soluble PRMs, such as the long pentraxin PTX3, the peptidoglycan recognition protein PGRP-S, properdin and M-ficolin, which are stored in neutrophil granules and are involved in neutrophil effector functions. In addition, other soluble PRMs, such as members of the collectin family, are not expressed in neutrophils but can modulate neutrophil-dependent immune responses. Therefore, soluble PRMs are an essential part of the innate immune response and retain antibody-like effector functions. Here, we will review the expression and general function of soluble PRMs, focusing our attention on molecules involved in neutrophil effector functions.
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Affiliation(s)
- Sébastien Jaillon
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Manzoni 113, 20089 Rozzano, Milan, Italy.
| | - Andrea Ponzetta
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Elena Magrini
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Isabella Barajon
- Department of Biomedical Sciences, Humanitas University, Via Manzoni 113, 20089 Rozzano, Milan, Italy
| | - Marialuisa Barbagallo
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy
| | - Cecilia Garlanda
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Manzoni 113, 20089 Rozzano, Milan, Italy
| | - Alberto Mantovani
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center, via Manzoni 56, 20089 Rozzano, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Via Manzoni 113, 20089 Rozzano, Milan, Italy.
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Challenges and Strategies for Proteome Analysis of the Interaction of Human Pathogenic Fungi with Host Immune Cells. Proteomes 2015; 3:467-495. [PMID: 28248281 PMCID: PMC5217390 DOI: 10.3390/proteomes3040467] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 11/23/2015] [Accepted: 12/08/2015] [Indexed: 12/17/2022] Open
Abstract
Opportunistic human pathogenic fungi including the saprotrophic mold Aspergillus fumigatus and the human commensal Candida albicans can cause severe fungal infections in immunocompromised or critically ill patients. The first line of defense against opportunistic fungal pathogens is the innate immune system. Phagocytes such as macrophages, neutrophils and dendritic cells are an important pillar of the innate immune response and have evolved versatile defense strategies against microbial pathogens. On the other hand, human-pathogenic fungi have sophisticated virulence strategies to counteract the innate immune defense. In this context, proteomic approaches can provide deeper insights into the molecular mechanisms of the interaction of host immune cells with fungal pathogens. This is crucial for the identification of both diagnostic biomarkers for fungal infections and therapeutic targets. Studying host-fungal interactions at the protein level is a challenging endeavor, yet there are few studies that have been undertaken. This review draws attention to proteomic techniques and their application to fungal pathogens and to challenges, difficulties, and limitations that may arise in the course of simultaneous dual proteome analysis of host immune cells interacting with diverse morphotypes of fungal pathogens. On this basis, we discuss strategies to overcome these multifaceted experimental and analytical challenges including the viability of immune cells during co-cultivation, the increased and heterogeneous protein complexity of the host proteome dynamically interacting with the fungal proteome, and the demands on normalization strategies in terms of relative quantitative proteome analysis.
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Galkina SI, Fedorova NV, Serebryakova MV, Arifulin EA, Stadnichuk VI, Gaponova TV, Baratova LA, Sud'ina GF. Inhibition of the GTPase dynamin or actin depolymerisation initiates outward plasma membrane tubulation/vesiculation (cytoneme formation) in neutrophils. Biol Cell 2015; 107:144-58. [DOI: 10.1111/boc.201400063] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 01/29/2015] [Indexed: 11/30/2022]
Affiliation(s)
- Svetlana I. Galkina
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
| | - Natalia V. Fedorova
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
| | - Marina V. Serebryakova
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
| | - Evgenii A. Arifulin
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
| | | | - Tatjana V. Gaponova
- FGBU Hematology Research Center; Russian Federation Ministry of Public Health; Moscow 125167 Russia
| | - Ludmila A. Baratova
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
| | - Galina F. Sud'ina
- A. N. Belozersky Institute of Physico-Chemical Biology; Lomonosov Moscow State University; Moscow 119991 Russia
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Procedures for the biochemical enrichment and proteomic analysis of the cytoskeletome. Anal Biochem 2013; 446:102-7. [PMID: 24161902 DOI: 10.1016/j.ab.2013.10.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 10/11/2013] [Accepted: 10/12/2013] [Indexed: 12/17/2022]
Abstract
The cell cytoskeleton is composed of microtubules, intermediate filaments, and actin that provide a rigid support structure important for cell shape. However, it is also a dynamic signaling scaffold that receives and transmits complex mechanosensing stimuli that regulate normal physiological and aberrant pathophysiological processes. Studying cytoskeletal functions in the cytoskeleton's native state is inherently difficult due to its rigid and insoluble nature. This has severely limited detailed proteomic analyses of the complex protein networks that regulate the cytoskeleton. Here, we describe a purification method that enriches for the cytoskeleton and its associated proteins in their native state that is also compatible with current mass spectrometry-based protein detection methods. This method can be used for biochemical, fluorescence, and large-scale proteomic analyses of numerous cell types. Using this approach, 2346 proteins were identified in the cytoskeletal fraction of purified mouse embryonic fibroblasts, of which 635 proteins were either known cytoskeleton proteins or cytoskeleton-interacting proteins. Functional annotation and network analyses using the Ingenuity Knowledge Database of the cytoskeletome revealed important nodes of interconnectivity surrounding well-established regulators of the actin cytoskeleton and focal adhesion complexes. This improved cytoskeleton purification method will aid our understanding of how the cytoskeleton controls normal and diseased cell functions.
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Zhou JY, Krovvidi RK, Gao Y, Gao H, Petritis BO, De AK, Miller-Graziano CL, Bankey PE, Petyuk VA, Nicora CD, Clauss TR, Moore RJ, Shi T, Brown JN, Kaushal A, Xiao W, Davis RW, Maier RV, Tompkins RG, Qian WJ, Camp DG, Smith RD. Trauma-associated human neutrophil alterations revealed by comparative proteomics profiling. Proteomics Clin Appl 2013; 7:571-83. [PMID: 23589343 DOI: 10.1002/prca.201200109] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Revised: 01/31/2013] [Accepted: 02/25/2013] [Indexed: 12/29/2022]
Abstract
PURPOSE Polymorphonuclear neutrophils (PMNs) play an important role in mediating the innate immune response after severe traumatic injury; however, the cellular proteome response to traumatic condition is still largely unknown. EXPERIMENTAL DESIGN We applied 2D-LC-MS/MS-based shotgun proteomics to perform comparative proteome profiling of human PMNs from severe trauma patients and healthy controls. RESULTS A total of 197 out of ~2500 proteins (being identified with at least two peptides) were observed with significant abundance changes following the injury. The proteomics data were further compared with transcriptomics data for the same genes obtained from an independent patient cohort. The comparison showed that the protein abundance changes for the majority of proteins were consistent with the mRNA abundance changes in terms of directions of changes. Moreover, increased protein secretion was suggested as one of the mechanisms contributing to the observed discrepancy between protein and mRNA abundance changes. Functional analyses of the altered proteins showed that many of these proteins were involved in immune response, protein biosynthesis, protein transport, NRF2-mediated oxidative stress response, the ubiquitin-proteasome system, and apoptosis pathways. CONCLUSIONS AND CLINICAL RELEVANCE Our data suggest increased neutrophil activation and inhibited neutrophil apoptosis in response to trauma. The study not only reveals an overall picture of functional neutrophil response to trauma at the proteome level, but also provides a rich proteomics data resource of trauma-associated changes in the neutrophil that will be valuable for further studies of the functions of individual proteins in PMNs.
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Affiliation(s)
- Jian-Ying Zhou
- Biological Sciences Division and Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99352, USA
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McLeish KR, Merchant ML, Klein JB, Ward RA. Technical note: proteomic approaches to fundamental questions about neutrophil biology. J Leukoc Biol 2013; 94:683-92. [PMID: 23470899 DOI: 10.1189/jlb.1112591] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Proteomics is one of a group of technologies that generates high-throughput, large-scale datasets that can be used to understand cell or organ functions at a systems level. This review will focus on the application of proteomics to the understanding of neutrophil biology. The strengths and weaknesses of common proteomic methods and their application to neutrophils are reviewed, with the goal of evaluating whether the technology is ready to advance our understanding of neutrophil biology.
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Affiliation(s)
- Kenneth R McLeish
- 1.Baxter I Research Bldg., Rm. 102 South, 570 South Preston St., Louisville, KY 40202, USA.
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15
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Abstract
The role of microRNAs (miRNAs) as fine-tuners of gene expression is now well established in most aspects of cellular biology. Critically, it is becoming apparent that characterization of miRNA regulation could further the understanding of elusive cellular processes. Here, I briefly review the current literature assessing the role of miRNAs in the modulation of neutrophil biology and discuss how the definition of such miRNA regulation could help in the better understanding of neutrophil function.
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Abstract
The cytoskeleton is fundamental to many cellular functions including cell proliferation, differentiation, adhesion, and migration. It is composed of actin, microtubules, intermediate filaments, and integrin cell surface receptors, which form focal adhesions with the extracellular matrix. These elements are highly integrated in the cell providing a rigid network of interconnected cables and protein scaffolds, which generate force and mechanical support to maintain cell shape and movement. However, the cytoskeleton is not just a simple compilation of static filaments that dictate cell adhesion and morphology-it is highly plastic with the inherent ability to assemble and disassemble in response to diverse and complex cellular cues. Thus, biochemical and proteomic methods are needed to better understand the cytoskeleton network and its dynamic signal transduction functions in health and disease. This chapter describes methods for the biochemical enrichment and mass spectrometry-based proteomic analyses of the cytoskeletome. We also detail how these methods can be used to investigate the cytoskeletome of migrating cells and their purified pseudopodia membrane projections.
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Boldt ABW, Sanchez MIN, Stahlke ERS, Steffensen R, Thiel S, Jensenius JC, Prevedello FC, Mira MT, Kun JFJ, Messias-Reason IJT. Susceptibility to leprosy is associated with M-ficolin polymorphisms. J Clin Immunol 2013; 33:210-9. [PMID: 22941510 DOI: 10.1007/s10875-012-9770-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 08/14/2012] [Indexed: 11/29/2022]
Abstract
PURPOSE Mycobacterium leprae exploits complement activation and opsonophagocytosis to infect phagocytes. M-ficolin is encoded by the FCN1 gene and initiates the lectin pathway on monocyte surfaces. We investigated FCN1 promoter polymorphisms that could be responsible for the high interindividual variability of M-ficolin levels and for modulating leprosy susceptibility. METHODS We genotyped rs2989727 (-1981 G > A), rs28909068 (-791 G > A), rs10120023 (-542 G > A), rs17039495 (-399 G > A), rs28909976 (-271IndelT), rs10117466 (-144C > A) and rs10858293 (+33 T > G) in 400 controls and 315 leprosy patients from Southern Brazil, and in 296 Danish healthy individuals with known M-ficolin levels. RESULTS Ten haplotypes were identified with sequence-specific PCR and/or haplotype-specific sequencing. We found evidence for a protective codominant additive effect of FCN1*-542A-144C with leprosy in Euro-Brazilians (P=0.003, PBf =0.021, OR=0.243 [CI95% =0.083-0.71]), which was independent of age, ethnic group and gender effects (P=0.029). There was a trend for a positive association of the -399A variant in Afro-Brazilians (P=0.022, PBf =0.154, OR=4.151 [CI95% =1.115-15.454], as well as for a negative association of the FCN1*3A haplotype with lepromatous leprosy, compared with less severe forms of the disease (P=0.016, PBf =0.112, OR=0.324 [CI95% =0.123-0.858]). Danish individuals with this haplotype presented M-ficolin levels higher than the population average of circa 1,000 ng/ml, and -542A-144C, which is able to modify the recognition of transcription factors in silico, occurred in individuals with levels under the 25 percentil (P=0.031). CONCLUSIONS Our data provide the first evidence that FCN1 polymorphisms are associated with leprosy. M-ficolin may represent a novel key to understand the immunopathogenesis of M. leprae infection.
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Affiliation(s)
- Angelica B W Boldt
- Laboratório de Imunopatologia Molecular - Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, Brazil
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18
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Galkina SI, Fedorova NV, Serebryakova MV, Romanova JM, Golyshev SA, Stadnichuk VI, Baratova LA, Sud'ina GF, Klein T. Proteome analysis identified human neutrophil membrane tubulovesicular extensions (cytonemes, membrane tethers) as bactericide trafficking. Biochim Biophys Acta Gen Subj 2012; 1820:1705-14. [DOI: 10.1016/j.bbagen.2012.06.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 06/07/2012] [Accepted: 06/25/2012] [Indexed: 01/28/2023]
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19
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The Fc receptor-cytoskeleton complex from human neutrophils. J Proteomics 2011; 75:450-68. [PMID: 21911091 DOI: 10.1016/j.jprot.2011.08.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2011] [Revised: 08/12/2011] [Accepted: 08/14/2011] [Indexed: 11/23/2022]
Abstract
The Fc receptor complex and its associated phagocytic cytoskeleton machinery were captured from the surface of live cells by IgG coated microbeads and identified by mass spectrometry. The random and independently sampled intensity values of peptides were similar in the control and IgG samples. After log transformation, the parent and fragment intensity values showed a normal distribution where ≥99.9% of the data was well above the background noise. Some proteins showed significant differences in intensity between the IgG and control samples by ANOVA followed by the Tukey-Kramer honestly significant difference test. However many proteins were specific to the IgG beads or the control beads. The set of detected cytoskeleton proteins, binding proteins and enzymes detected on the IgG beads were used to predict the network of actin-associated regulatory factors. Signaling factors/proteins such as PIK3, PLC, GTPases (such CDC42, Rho GAPs/GEFs), annexins and inositol triphosphate receptors were all identified as being specific to the activated receptor complex by mass spectrometry. In addition, the tyrosine kinase Fak was detected with the IgG coated beads. Hence, an activated receptor cytoskeleton complex and its associated regulatory proteins were captured from the surface of live human primary leukocytes.
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20
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Radulovic M, Godovac-Zimmermann J. Proteomic approaches to understanding the role of the cytoskeleton in host-defense mechanisms. Expert Rev Proteomics 2011; 8:117-26. [PMID: 21329431 DOI: 10.1586/epr.10.91] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The cytoskeleton is a cellular scaffolding system whose functions include maintenance of cellular shape, enabling cellular migration, division, intracellular transport, signaling and membrane organization. In addition, in immune cells, the cytoskeleton is essential for phagocytosis. Following the advances in proteomics technology over the past two decades, cytoskeleton proteome analysis in resting and activated immune cells has emerged as a possible powerful approach to expand our understanding of cytoskeletal composition and function. However, so far there have only been a handful of studies of the cytoskeleton proteome in immune cells. This article considers promising proteomics strategies that could augment our understanding of the role of the cytoskeleton in host-defense mechanisms.
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Affiliation(s)
- Marko Radulovic
- Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK.
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21
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Mares J, Richtrova P, Hricinova A, Tuma Z, Moravec J, Lysak D, Matejovic M. Proteomic profiling of blood-dialyzer interactome reveals involvement of lectin complement pathway in hemodialysis-induced inflammatory response. Proteomics Clin Appl 2010; 4:829-38. [PMID: 21137026 DOI: 10.1002/prca.201000031] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Accepted: 08/08/2010] [Indexed: 11/06/2022]
Abstract
PURPOSE dialysis-induced inflammatory response including leukocyte and complement activation is considered a significant cofactor of chronic morbidity in long-term hemodialysis (HD) patients. The aim of this study was to provide better insight into its molecular background. EXPERIMENTAL DESIGN in 16 patients, basic biocompatibility markers, i.e. leukocyte counts and C5a levels, were monitored during HD on a polysulfone membrane. Proteins adsorbed to dialyzers were eluted and separated by 2-DE. Selected proteins were identified by MS; ficolin-2 plasma levels were assessed. Data are given as medians (quartile ranges). RESULTS in total, 7.2 (34.7) mg proteins were retrieved from dialyzer eluates and were resolved into 217 protein spots. The proteins most enriched in eluates (and hence selectively adsorbed) were those involved in complement activation (C3c, ficolin-2, mannan-binding lectin serine proteases, properdin) and cell adhesion (actin, caldesmon, tropomyosin, vitronectin, vinculin). A significant decrease of plasma ficolin-2 (41% [4.7], p<0.001) was evidenced during one HD session, associated with leukopenia (r=0.73, p=0.001) and C5a production (r=-0.62, p=0.01) at 15 min. CONCLUSIONS AND CLINICAL RELEVANCE ficolin-2 adsorption to polysulfone dialyzer initiates the lectin pathway of complement activation, mediates dialysis-induced leukopenia, and results in a significant depletion of ficolin-2, an essential component of innate immunity.
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Affiliation(s)
- Jan Mares
- Department of Internal Medicine I, Charles University Medical School and Teaching Hospital, Plzen, Czech Republic.
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22
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Martinez-Pinna R, Barbas C, Blanco-Colio LM, Tunon J, Ramos-Mozo P, Lopez JA, Meilhac O, Michel JB, Egido J, Martin-Ventura JL. Proteomic and metabolomic profiles in atherothrombotic vascular disease. Curr Atheroscler Rep 2010; 12:202-8. [PMID: 20425260 DOI: 10.1007/s11883-010-0102-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Atherothrombosis remains a major cause of morbidity and mortality in the western world. The underlying processes associated with clinical expression of atherothrombosis include oxidative stress and proteolysis in relation to neovascularisation and intraplaque hemorrhages, leading to immuno-inflammatory response, cell death, and extracellular matrix breakdown. The complex biological multifactorial nature of atherothrombosis requires the development of novel technologies that allow the analysis of cellular and molecular processes responsible for the transition to disease phenotypes and the discovery of new diagnostic and prognostic biomarkers. In the present article, we have reviewed recent advances in the application of proteomic and metabolomic techniques to the study of atherothrombosis. We have focused on recent studies analyzing cells involved in hemo-thrombus formation (platelets, red blood cells, and polymorphonuclear cells), as well as tissues, tissue-conditioned media, and plasma of atherothrombotic patients. In the future, the application of these high-throughput technologies, along with imaging techniques, in systems biology approaches will help to individualize medicine.
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Affiliation(s)
- Roxana Martinez-Pinna
- Vascular Research Laboratory, Instituto de Investigacion Sanitaria, Fundación Jimenez Diaz, Autonoma University, Av. Reyes Católicos 2, 28040, Madrid, Spain
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Ask K, Eickelberg O, Gauldie J, Kaminski N, Kolb M. Have advanced research technologies made real impact on respiratory medicine? Respirology 2010; 15:876-80. [PMID: 20646243 DOI: 10.1111/j.1440-1843.2010.01811.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Tremendous sophistication in our ability to detect, measure and manipulate the genes and proteins involved in lung disease has provided unique insights to the pathobiology of a number of lung disorders affecting humans today. Gene array analysis and genetic manipulation of animals have helped to identify novel pathways and their potential role in disease initiation and progression. Proteomics is a relatively novel tool in molecular research in respiratory medicine. Silencing gene expression by using small interfering RNA may, sooner than later, become part of novel therapies. Despite the excitement, to date, there has been little direct impact on therapeutic interventions available to clinicians. However, the rapidity with which these early data have accumulated, and the expected advances in bioinformatics and systems biology, should bring forward tangible therapeutic benefits for many acute and chronic lung diseases within the next ten years.
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Affiliation(s)
- Kjetil Ask
- Firestone Institute for Respiratory Health, St. Joseph's Healthcare, McMaster University, Hamilton, Ontario, Canada
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Yokoyama T, Kobayashi T, Yamamoto K, Yamagata A, Oofusa K, Yoshie H. Proteomic profiling of human neutrophils in relation to immunoglobulin G Fc receptor IIIb polymorphism. J Periodontal Res 2010; 45:780-7. [DOI: 10.1111/j.1600-0765.2010.01300.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tomazella GG, daSilva I, Thomé CH, Greene LJ, Koehler CJ, Thiede B, Wiker HG, de Souza GA. Analysis of Detergent-Insoluble and Whole Cell Lysate Fractions of Resting Neutrophils Using High-Resolution Mass Spectrometry. J Proteome Res 2010; 9:2030-6. [DOI: 10.1021/pr1000253] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Gisele G. Tomazella
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Idalete daSilva
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Carolina H. Thomé
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Lewis J. Greene
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Christian J. Koehler
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Bernd Thiede
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Harald G. Wiker
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
| | - Gustavo A. de Souza
- The Gade Institute, Section for Microbiology and Immunology, University of Bergen, Norway, Centro de Química de Proteínas, Centro Regional de Hemoterapia e Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brasil, The Biotechnology Centre of Oslo, University of Oslo, Norway, and Proteomic Unit at University of Bergen (PROBE), Norway
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Qattan AT, Mulvey C, Crawford M, Natale DA, Godovac-Zimmermann J. Quantitative organelle proteomics of MCF-7 breast cancer cells reveals multiple subcellular locations for proteins in cellular functional processes. J Proteome Res 2010; 9:495-508. [PMID: 19911851 PMCID: PMC4261601 DOI: 10.1021/pr9008332] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We have combined sucrose density gradient subcellular fractionation with quantitative, tandem-mass-spectrometry-based shotgun proteomics to investigate spatial distributions of proteins in MCF-7 breast cancer cells. Emphasis was placed on four major organellar compartments: cytosol, plasma membrane, endoplasmic reticulum, and mitochondrion. Two-thousand one-hundred eighty-four proteins were securely identified. Four-hundred eighty-one proteins (22.0% of total proteins identified) were found in unique sucrose gradient fractions, suggesting they may have unique subcellular locations. 454 proteins (20.8%) were found to be ubiquitously distributed. The remaining 1249 proteins (57.2%) were consistent with intermediate distribution over multiple, but not all, subcellular locations. Ninety-four proteins implicated in breast cancer and 478 other proteins which share the same five major cellular biological processes with a majority of the breast cancer proteins were observed in 334 and 1223 subcellular locations, respectively. The data obtained is used to evaluate the possibility of defining more exact sets of subcellular organelles, the completeness of current descriptions of spatial distribution of cellular proteins, the importance of multiple subcellular locations for proteins in functional processes, the subcellular distribution of proteins related to breast cancer, and the possibility of using these methods for dynamic spatio/temporal studies of function/regulation in MCF-7 breast cancer cells.
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Affiliation(s)
- Amal T. Qattan
- Division of Medicine, University College London, 5 University Street, London WC1E 6JF, United Kingdom
| | - Claire Mulvey
- Division of Medicine, University College London, 5 University Street, London WC1E 6JF, United Kingdom
| | - Mark Crawford
- Division of Medicine, University College London, 5 University Street, London WC1E 6JF, United Kingdom
| | - Darren A. Natale
- Department of Biochemistry and Molecular & Cellular Biology, Georgetown University Medical Center, 3300 Whitehaven Street, NW, Washington, D.C. 20007
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Tomazella GG, da Silva I, Laure HJ, Rosa JC, Chammas R, Wiker HG, de Souza GA, Greene LJ. Proteomic analysis of total cellular proteins of human neutrophils. Proteome Sci 2009; 7:32. [PMID: 19719850 PMCID: PMC3224919 DOI: 10.1186/1477-5956-7-32] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2009] [Accepted: 08/31/2009] [Indexed: 01/12/2023] Open
Abstract
Background Neutrophils are the most abundant leukocytes in peripheral blood and represent one of the most important elements of innate immunity. Recent subcellular proteomic studies have focused on the identification of human neutrophil proteins in various subcellular membrane and granular fractions. Although there are relatively few studies dealing with the analysis of the total extract of human neutrophils, many biological problems such as the role of chemokines, adhesion molecules, and other activating inputs involved in neutrophil responses and signaling can be approached on the basis of the identification of the total cellular proteins. Results Using gel-LC-MS/MS, 251 total cellular proteins were identified from resting human neutrophils. This is more than ten times the number of proteins identified by an initial proteome analysis of human neutrophils and almost five times the number of proteins identified by the first 2-DE map of extracts of rat polymorphonuclear leukocytes. Most of the proteins identified in the present study are well-known, but some of them, such as neutrophil-secreted proteins and centaurin beta-1, a cytoplasmic protein involved in the regulation of NF-κB activity, are described here for the first-time. Conclusion The present report provides new information about the protein content of human neutrophils. Importantly, our study resulted in the discovery of a series of proteins not previously reported to be associated with human neutrophils. These data are relevant to the investigation of comparative pathological states and models for novel classes of pharmaceutical drugs that could be useful in the treatment of inflammatory disorders in which neutrophils participate.
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Affiliation(s)
- Gisele G Tomazella
- Centro de Química de Proteínas, Universidade de São Paulo, Ribeirão Preto, Brasil.
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28
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Application of proteomics to neutrophil biology. J Proteomics 2009; 73:552-61. [PMID: 19580889 DOI: 10.1016/j.jprot.2009.06.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2009] [Revised: 06/23/2009] [Accepted: 06/28/2009] [Indexed: 01/13/2023]
Abstract
Polymorphonuclear leukocytes or neutrophils are a primary effector cell of the innate immune system and contribute to the development of adaptive immunity. Neutrophils participate in both the initiation and resolution of inflammatory responses through a series of highly coordinated molecular and phenotypic changes. To accomplish these changes, neutrophils express numerous receptors and use multiple overlapping and redundant signal transduction pathways. Dysregulation of the activation or resolution pathways plays a role in a number of human diseases. A comprehensive understanding of the regulation of neutrophil responses can be provided by high throughput proteomic technologies and sophisticated computational analysis. The first steps in the application of proteomics to understanding neutrophil biology have been taken. Here we review the application of expression, structural, and functional proteomic studies to neutrophils. Although defining the complex molecular events associated with neutrophil activation is in the early stages, the data generated to date suggest that proteomic technologies will dramatically enhance our understanding of neutrophil biology.
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