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Wang S, Song R, Wang Z, Jing Z, Wang S, Ma J. S100A8/A9 in Inflammation. Front Immunol 2018; 9:1298. [PMID: 29942307 PMCID: PMC6004386 DOI: 10.3389/fimmu.2018.01298] [Citation(s) in RCA: 732] [Impact Index Per Article: 122.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 05/24/2018] [Indexed: 12/11/2022] Open
Abstract
S100A8 and S100A9 (also known as MRP8 and MRP14, respectively) are Ca2+ binding proteins belonging to the S100 family. They often exist in the form of heterodimer, while homodimer exists very little because of the stability. S100A8/A9 is constitutively expressed in neutrophils and monocytes as a Ca2+ sensor, participating in cytoskeleton rearrangement and arachidonic acid metabolism. During inflammation, S100A8/A9 is released actively and exerts a critical role in modulating the inflammatory response by stimulating leukocyte recruitment and inducing cytokine secretion. S100A8/A9 serves as a candidate biomarker for diagnosis and follow-up as well as a predictive indicator of therapeutic responses to inflammation-associated diseases. As blockade of S100A8/A9 activity using small-molecule inhibitors or antibodies improves pathological conditions in murine models, the heterodimer has potential as a therapeutic target. In this review, we provide a comprehensive and detailed overview of the distribution and biological functions of S100A8/A9 and highlight its application as a diagnostic and therapeutic target in inflammation-associated diseases.
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Affiliation(s)
- Siwen Wang
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China
| | - Rui Song
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China
| | - Ziyi Wang
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China
| | - Zhaocheng Jing
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China
| | - Shaoxiong Wang
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China
| | - Jian Ma
- Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Xiangya School of Medicine, Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
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Zhang X, Wei L, Wang J, Qin Z, Wang J, Lu Y, Zheng X, Peng Q, Ye Q, Ai F, Liu P, Wang S, Li G, Shen S, Ma J. Suppression Colitis and Colitis-Associated Colon Cancer by Anti-S100a9 Antibody in Mice. Front Immunol 2017; 8:1774. [PMID: 29326691 PMCID: PMC5733461 DOI: 10.3389/fimmu.2017.01774] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 11/28/2017] [Indexed: 12/30/2022] Open
Abstract
The association between chronic inflammation and cancer has long been recognized. The inflammatory bowel disease ulcerative colitis frequently progresses to colon cancer; however, the underlying mechanism is still unclear. S100a9 has been emerged as an important pro-inflammatory mediator in acute and chronic inflammation, and the aberrant expression of S100a9 also contributes to tumorigenic processes such as cell proliferation, angiogenesis, metastasis, and immune evasion. We previously revealed that S100a8 and S100a9 are highly activated and play an important role in the process of colitis-associated carcinogenesis, which suggests an attractive therapeutic target for ulcerative colitis and related colon cancer. Here, we report that administration of a neutralizing anti-S100a9 antibody significantly ameliorated dextran sulfate sodium (DSS)-induced colitis and accompanied by diminished cellular infiltrate of innate immunity cells (macrophages, neutrophils, and dendritic cells) and production of pro-inflammatory cytokines (Tnfα, Il1β, Ifnγ, Il6, Il17a, Il23a, Il4, and Il12a). The protective effect of anti-S100a9 antibody treatment was also observed in azoxymethane (AOM)/DSS-induced colitis-associated cancer (CAC) mouse model. The inflammatory response, tumor cell proliferation, and immune cells infiltration in the colon tissues were suppressed by anti-S100a9 antibody. Gene expression profiling showed that key pathways known to be involved in CAC development, such as Wnt signaling pathway, PI3K–Akt signaling pathway, cytokine–cytokine receptor interaction, and ECM–receptor interaction pathway, were suppressed after treatment with anti-S100a9 antibody in CAC mice. In view of the protective effect of neutralizing anti-S100a9 antibody against DSS-induced colitis and AOM/DSS-induced CAC in mouse model, this study suggests that anti-S100a9 antibody may provide a novel therapeutic approach to treat ulcerative colitis and may decrease the risk for developing CAC.
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Affiliation(s)
- Xuemei Zhang
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Lingyu Wei
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Jing Wang
- Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zailong Qin
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Jia Wang
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Yuanjun Lu
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Xiang Zheng
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Qiu Peng
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Qiurong Ye
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Feiyan Ai
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China.,Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Peishan Liu
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Siwen Wang
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Guiyuan Li
- Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
| | - Shourong Shen
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China.,Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Jian Ma
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China.,Cancer Research Institute, Central South University, Changsha, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Key Laboratory of Carcinogenesis of Ministry of Health, Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Changsha, China
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3
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Wang Y, Gao H, Kessinger CW, Schmaier A, Jaffer FA, Simon DI. Myeloid-related protein-14 regulates deep vein thrombosis. JCI Insight 2017; 2:91356. [PMID: 28570273 PMCID: PMC5453698 DOI: 10.1172/jci.insight.91356] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 04/25/2017] [Indexed: 01/20/2023] Open
Abstract
Using transcriptional profiling of platelets from patients presenting with acute myocardial infarction, we identified myeloid-related protein-14 (MRP-14, also known as S100A9) as an acute myocardial infarction gene and reported that platelet MRP-14 binding to platelet CD36 regulates arterial thrombosis. However, whether MRP-14 plays a role in venous thrombosis is unknown. We subjected WT and Mrp-14-deficient (Mrp-14-/-) mice to experimental models of deep vein thrombosis (DVT) by stasis ligation or partial flow restriction (stenosis) of the inferior vena cava. Thrombus weight in response to stasis ligation or stenosis was reduced significantly in Mrp-14-/- mice compared with WT mice. The adoptive transfer of WT neutrophils or platelets, or the infusion of recombinant MRP-8/14, into Mrp-14-/- mice rescued the venous thrombosis defect in Mrp-14-/- mice, indicating that neutrophil- and platelet-derived MRP-14 directly regulate venous thrombogenesis. Stimulation of neutrophils with MRP-14 induced neutrophil extracellular trap (NET) formation, and NETs were reduced in venous thrombi harvested from Mrp-14-/- mice and in Mrp-14-/- neutrophils stimulated with ionomycin. Given prior evidence that MRP-14 also regulates arterial thrombosis, but not hemostasis (i.e., reduced bleeding risk), MRP-14 appears to be a particularly attractive molecular target for treating thrombotic cardiovascular diseases, including myocardial infarction, stroke, and venous thromboembolism.
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Affiliation(s)
- Yunmei Wang
- Harrington Heart & Vascular Institute, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Huiyun Gao
- Harrington Heart & Vascular Institute, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Chase W Kessinger
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Alvin Schmaier
- Division of Hematology-Oncology, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
| | - Farouc A Jaffer
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Daniel I Simon
- Harrington Heart & Vascular Institute, University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
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4
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Pruenster M, Vogl T, Roth J, Sperandio M. S100A8/A9: From basic science to clinical application. Pharmacol Ther 2016; 167:120-131. [PMID: 27492899 DOI: 10.1016/j.pharmthera.2016.07.015] [Citation(s) in RCA: 228] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 07/20/2016] [Indexed: 12/15/2022]
Abstract
Neutrophils and monocytes belong to the first line of immune defence cells and are recruited to sites of inflammation during infection or sterile injury. Both cells contain huge amounts of the heterodimeric protein S100A8/A9 in their cytoplasm. S100A8/A9 belongs to the Ca2+ binding S100 protein family and has recently gained a lot of interest as a critical alarmin modulating the inflammatory response after its release (extracellular S100A8/A9) from neutrophils and monocytes. Extracellular S100A8/A9 interacts with the pattern recognition receptors Toll-like receptor 4 (TLR4) and Receptor for Advanced Glycation Endproducts (RAGE) promoting cell activation and recruitment. Besides its biological function, S100A8/A9 (also known as myeloid related protein 8/14, MRP8/14) was identified as interesting biomarker to monitor disease activity in chronic inflammatory disorders including inflammatory bowel disease and rheumatoid arthritis. Furthermore, S100A8/A9 has been tested successfully in pre-clinical imaging studies to localize sites of infection or sterile injury. Finally, recent evidence using small molecule inhibitors for S100A8/A9 also suggests that blocking S100A8/A9 activity exerts beneficial effects on disease activity in animal models of autoimmune diseases including multiple sclerosis, systemic lupus erythematosus, rheumatoid arthritis and inflammatory bowel disease. This review will provide a comprehensive and detailed overview into the structure and biological function of S100A8/A9 and also will give an outlook in terms of diagnostic and therapeutic applications targeting S100A8/A9.
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Affiliation(s)
- Monika Pruenster
- Walter Brendel Center of Experimental Medicine, Ludwig-Maximilians Universität, Munich, Germany
| | - Thomas Vogl
- Institute of Immunology, University of Muenster, Muenster, Germany
| | - Johannes Roth
- Institute of Immunology, University of Muenster, Muenster, Germany
| | - Markus Sperandio
- Walter Brendel Center of Experimental Medicine, Ludwig-Maximilians Universität, Munich, Germany.
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5
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Clark HL, Jhingran A, Sun Y, Vareechon C, de Jesus Carrion S, Skaar EP, Chazin WJ, Calera JA, Hohl TM, Pearlman E. Zinc and Manganese Chelation by Neutrophil S100A8/A9 (Calprotectin) Limits Extracellular Aspergillus fumigatus Hyphal Growth and Corneal Infection. THE JOURNAL OF IMMUNOLOGY 2015; 196:336-44. [PMID: 26582948 DOI: 10.4049/jimmunol.1502037] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 10/19/2015] [Indexed: 01/09/2023]
Abstract
Calprotectin, a heterodimer of S100A8 and S100A9, is an abundant neutrophil protein that possesses antimicrobial activity primarily because of its ability to chelate zinc and manganese. In the current study, we showed that neutrophils from calprotectin-deficient S100A9(-/-) mice have an impaired ability to inhibit Aspergillus fumigatus hyphal growth in vitro and in infected corneas in a murine model of fungal keratitis; however, the ability to inhibit hyphal growth was restored in S100A9(-/-) mice by injecting recombinant calprotectin. Furthermore, using recombinant calprotectin with mutations in either the Zn and Mn binding sites or the Mn binding site alone, we show that both zinc and manganese binding are necessary for calprotectin's antihyphal activity. In contrast to hyphae, we found no role for neutrophil calprotectin in uptake or killing of intracellular A. fumigatus conidia either in vitro or in a murine model of pulmonary aspergillosis. We also found that an A. fumigatus ∆zafA mutant, which demonstrates deficient zinc transport, exhibits impaired growth in infected corneas and following incubation with neutrophils or calprotectin in vitro as compared with wild-type. Collectively, these studies demonstrate a novel stage-specific susceptibility of A. fumigatus to zinc and manganese chelation by neutrophil-derived calprotectin.
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Affiliation(s)
- Heather L Clark
- Department of Ophthalmology and Visual Science, Case Western Reserve University, Cleveland, OH 44106; Department of Ophthalmology, University of California, Irvine, Irvine, CA 92697; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA 92697
| | - Anupam Jhingran
- Infectious Disease Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Yan Sun
- Department of Ophthalmology and Visual Science, Case Western Reserve University, Cleveland, OH 44106
| | - Chairut Vareechon
- Department of Ophthalmology and Visual Science, Case Western Reserve University, Cleveland, OH 44106
| | - Steven de Jesus Carrion
- Department of Ophthalmology and Visual Science, Case Western Reserve University, Cleveland, OH 44106
| | - Eric P Skaar
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, TN 37232; Veterans Affairs Tennessee Valley Healthcare System, Nashville, TN 37212
| | - Walter J Chazin
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN 37232; Center for Structural Biology, Vanderbilt University School of Medicine, Nashville, TN 37232; and
| | - José Antonio Calera
- Instituto de Biología Funcional y Genómica, Centro Mixto del Consejo Superior de Investigaciones Científicas y Universidad de Salamanca, 37002 Salamanca, Spain
| | - Tobias M Hohl
- Infectious Disease Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY 10065
| | - Eric Pearlman
- Department of Ophthalmology and Visual Science, Case Western Reserve University, Cleveland, OH 44106; Department of Ophthalmology, University of California, Irvine, Irvine, CA 92697; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA 92697;
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6
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Sogkas G, Vögtle T, Rau E, Gewecke B, Stegner D, Schmidt RE, Nieswandt B, Gessner JE. Orai1 controls C5a-induced neutrophil recruitment in inflammation. Eur J Immunol 2015; 45:2143-53. [PMID: 25912155 DOI: 10.1002/eji.201445337] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 03/05/2015] [Accepted: 04/25/2015] [Indexed: 11/12/2022]
Abstract
Stromal interaction molecule 1 (STIM1)-dependent store operated calcium-entry (SOCE) through Orai1-mediated calcium (Ca(2+) ) influx is considered a major pathway of Ca(2+) signaling, serving T-cell, mast cell, and platelet responses. Here, we show that Orai1 is critical for neutrophil function. Orai1-deficient neutrophils present defects in fMLP and complement C5a-induced Ca(2+) influx and migration, although they respond normally to another chemoattractant, CXCL2. Up until now, no specific contribution of Orai1 independent from STIM1 or SOCE has been recognized in immune cells. Here, we observe that Orai1-deficient neutrophils exhibit normal STIM1-dependent SOCE and STIM1-deficient neutrophils respond to fMLP and C5a efficiently. Despite substantial cytokine production, Orai1(-/-) chimeric mice show impaired neutrophil recruitment in LPS-induced peritonitis. Moreover, Orai1 deficiency results in profoundly defective C5a-triggered neutrophil lung recruitment in hypersensitivity pneumonitis. Comparative evaluation of inflammation in Stim1(-/-) chimeras reveals a distinct pathogenic contribution of STIM1, including its involvement in IgG-induced C5a production. Our data establish Orai1 as key signal mediator of C5aR activation, contributing to inflammation by a STIM1-independent pathway of Ca(2+) -influx in neutrophils.
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Affiliation(s)
- Georgios Sogkas
- Clinical Department of Immunology and Rheumatology, Hannover Medical School, Germany
| | - Timo Vögtle
- Chair of Experimental Biomedicine, University Hospital and Rudolf Virchow Center, DFG Research Center for Experimental Biomedicine, University of Würzburg, Germany
| | - Eduard Rau
- Clinical Department of Immunology and Rheumatology, Hannover Medical School, Germany
| | - Britta Gewecke
- Clinical Department of Immunology and Rheumatology, Hannover Medical School, Germany
| | - David Stegner
- Chair of Experimental Biomedicine, University Hospital and Rudolf Virchow Center, DFG Research Center for Experimental Biomedicine, University of Würzburg, Germany
| | - Reinhold E Schmidt
- Clinical Department of Immunology and Rheumatology, Hannover Medical School, Germany
| | - Bernhard Nieswandt
- Chair of Experimental Biomedicine, University Hospital and Rudolf Virchow Center, DFG Research Center for Experimental Biomedicine, University of Würzburg, Germany
| | - J Engelbert Gessner
- Clinical Department of Immunology and Rheumatology, Hannover Medical School, Germany
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Gross SR, Sin CGT, Barraclough R, Rudland PS. Joining S100 proteins and migration: for better or for worse, in sickness and in health. Cell Mol Life Sci 2014; 71:1551-79. [PMID: 23811936 PMCID: PMC11113901 DOI: 10.1007/s00018-013-1400-7] [Citation(s) in RCA: 118] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Revised: 06/04/2013] [Accepted: 06/06/2013] [Indexed: 12/12/2022]
Abstract
The vast diversity of S100 proteins has demonstrated a multitude of biological correlations with cell growth, cell differentiation and cell survival in numerous physiological and pathological conditions in all cells of the body. This review summarises some of the reported regulatory functions of S100 proteins (namely S100A1, S100A2, S100A4, S100A6, S100A7, S100A8/S100A9, S100A10, S100A11, S100A12, S100B and S100P) on cellular migration and invasion, established in both culture and animal model systems and the possible mechanisms that have been proposed to be responsible. These mechanisms involve intracellular events and components of the cytoskeletal organisation (actin/myosin filaments, intermediate filaments and microtubules) as well as extracellular signalling at different cell surface receptors (RAGE and integrins). Finally, we shall attempt to demonstrate how aberrant expression of the S100 proteins may lead to pathological events and human disorders and furthermore provide a rationale to possibly explain why the expression of some of the S100 proteins (mainly S100A4 and S100P) has led to conflicting results on motility, depending on the cells used.
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Affiliation(s)
- Stephane R. Gross
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET UK
| | - Connie Goh Then Sin
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham, B4 7ET UK
| | - Roger Barraclough
- Institute of Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7ZB UK
| | - Philip S. Rudland
- Institute of Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool, L69 7ZB UK
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8
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Wang Y, Fang C, Gao H, Bilodeau ML, Zhang Z, Croce K, Liu S, Morooka T, Sakuma M, Nakajima K, Yoneda S, Shi C, Zidar D, Andre P, Stephens G, Silverstein RL, Hogg N, Schmaier AH, Simon DI. Platelet-derived S100 family member myeloid-related protein-14 regulates thrombosis. J Clin Invest 2014; 124:2160-71. [PMID: 24691441 DOI: 10.1172/jci70966] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 01/30/2014] [Indexed: 01/12/2023] Open
Abstract
Expression of the gene encoding the S100 calcium-modulated protein family member MRP-14 (also known as S100A9) is elevated in platelets from patients presenting with acute myocardial infarction (MI) compared with those from patients with stable coronary artery disease; however, a causal role for MRP-14 in acute coronary syndromes has not been established. Here, using multiple models of vascular injury, we found that time to arterial thrombotic occlusion was markedly prolonged in Mrp14⁻/⁻ mice. We observed that MRP-14 and MRP-8/MRP-14 heterodimers (S100A8/A9) are expressed in and secreted by platelets from WT mice and that thrombus formation was reduced in whole blood from Mrp14⁻/⁻ mice. Infusion of WT platelets, purified MRP-14, or purified MRP-8/MRP-14 heterodimers into Mrp14⁻/⁻ mice decreased the time to carotid artery occlusion after injury, indicating that platelet-derived MRP-14 directly regulates thrombosis. In contrast, infusion of purified MRP-14 into mice deficient for both MRP-14 and CD36 failed to reduce carotid occlusion times, indicating that CD36 is required for MRP-14-dependent thrombosis. Our data identify a molecular pathway of thrombosis that involves platelet MRP-14 and CD36 and suggest that targeting MRP-14 has potential for treating atherothrombotic disorders, including MI and stroke.
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Abstract
S100A8, S100A9 and S100A12 are considered proinflammatory mediators of atherosclerosis. Known as calgranulins, they are major components of neutrophils and are upregulated in macrophages and foam cells. They influence leukocyte recruitment, and may propagate inflammation by binding TLR4 and/or receptor for advanced glycation endproducts (RAGE). However, the receptors for calgranulins remain an enigma; we have no evidence for TLR4 or RAGE activation by S100A8 or S100A12. Moreover, gene regulation studies suggest antiinflammatory functions for S100A8 and emerging reports indicate pleiotropic roles. Unlike S100A9, S100A8 effectively scavenges oxidants generated by the myeloperoxidase system in vivo, forming novel thiol modifications. S100A8 is also readily S-nitrosylated, stabilizing nitric oxide and transporting it to hemoglobin. S100A8-SNO reduces leukocyte transmigration in the vasculature. S-glutathionylation of S100A9 modifies its effects on leukocyte adhesion. Both S100A8 forms inhibit mast cell activation, at least partially by scavenging reactive oxygen species required for signaling. Conversely, S100A12 activates and sequesters mast cells. However S100A12 suppresses proinflammatory cytokine induction by SAA-activated monocytes and macrophages, and inhibits matrix metalloprotease activity. We propose that the abundance and types of cells expressing calgranulins in particular microenvironments, their relative concentrations and post-translational modifications may have distinct functional outcomes, including those that are protective, at different stages of atherogenesis.
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Affiliation(s)
- Carolyn L Geczy
- Inflammation and Infection Research Centre, School of Medical Sciences, University of New South Wales
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10
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Abstract
The S100 protein family consists of 24 members functionally distributed into three main subgroups: those that only exert intracellular regulatory effects, those with intracellular and extracellular functions and those which mainly exert extracellular regulatory effects. S100 proteins are only expressed in vertebrates and show cell-specific expression patterns. In some instances, a particular S100 protein can be induced in pathological circumstances in a cell type that does not express it in normal physiological conditions. Within cells, S100 proteins are involved in aspects of regulation of proliferation, differentiation, apoptosis, Ca2+ homeostasis, energy metabolism, inflammation and migration/invasion through interactions with a variety of target proteins including enzymes, cytoskeletal subunits, receptors, transcription factors and nucleic acids. Some S100 proteins are secreted or released and regulate cell functions in an autocrine and paracrine manner via activation of surface receptors (e.g. the receptor for advanced glycation end-products and toll-like receptor 4), G-protein-coupled receptors, scavenger receptors, or heparan sulfate proteoglycans and N-glycans. Extracellular S100A4 and S100B also interact with epidermal growth factor and basic fibroblast growth factor, respectively, thereby enhancing the activity of the corresponding receptors. Thus, extracellular S100 proteins exert regulatory activities on monocytes/macrophages/microglia, neutrophils, lymphocytes, mast cells, articular chondrocytes, endothelial and vascular smooth muscle cells, neurons, astrocytes, Schwann cells, epithelial cells, myoblasts and cardiomyocytes, thereby participating in innate and adaptive immune responses, cell migration and chemotaxis, tissue development and repair, and leukocyte and tumor cell invasion.
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Affiliation(s)
- R Donato
- Department of Experimental Medicine and Biochemical Sciences, University of Perugia, Via del Giochetto, 06122 Perugia, Italy.
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11
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Kessel C, Holzinger D, Foell D. Phagocyte-derived S100 proteins in autoinflammation: putative role in pathogenesis and usefulness as biomarkers. Clin Immunol 2012; 147:229-41. [PMID: 23269200 DOI: 10.1016/j.clim.2012.11.008] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Revised: 11/20/2012] [Accepted: 11/22/2012] [Indexed: 11/29/2022]
Abstract
The cytoplasmic S100 proteins derived from cells of myeloid origin are promising new markers of (auto-)inflammation. S100A8/A9 and S100A12 are released from monocytes and granulocytes during activation of the innate immune system. Tissue and serum concentrations correlate to disease activity, both during local and systemic inflammation. In autoinflammatory diseases such as Familial Mediterranean Fever (FMF) and Systemic onset Juvenile Idiopathic Arthritis (SJIA), a dysregulation of alternative secretory pathways may be involved in pathogenesis and lead to hypersecretion of S100 proteins. Since autoinflammatory diseases can be difficult to diagnose, phagocyte-derived S100 proteins are valid tools in the diagnosis of autoinflammatory diseases. In addition, they may help achieve a better understanding of the pathophysiology of autoinflammatory disorders including SJIA and FMF, and even provide novel therapeutic targets in the future.
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Affiliation(s)
- Christoph Kessel
- Department of Pediatric Rheumatology and Immunology, University Children's Hospital, University of Muenster, Germany
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Markowitz J, Carson WE. Review of S100A9 biology and its role in cancer. Biochim Biophys Acta Rev Cancer 2012; 1835:100-9. [PMID: 23123827 DOI: 10.1016/j.bbcan.2012.10.003] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Revised: 10/24/2012] [Accepted: 10/25/2012] [Indexed: 12/28/2022]
Abstract
S100A9 is a calcium binding protein with multiple ligands and post-translation modifications that is involved in inflammatory events and the initial development of the cancer cell through to the development of metastatic disease. This review has a threefold purpose: 1) describe the S100A9 structural elements important for its biological activity, 2) describe the S100A9 biology in the context of the immune system, and 3) illustrate the role of S100A9 in the development of malignancy via interactions with the immune system and other cellular processes.
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Affiliation(s)
- Joseph Markowitz
- OSU Comprehensive Cancer Center, The Ohio State University, 320 West 10th Avenue, Columbus, OH 43210, USA.
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Baker JR, Jeffery R, May RD, Mathies M, Spencer-Dene B, Poulsom R, Hogg N. Distinct roles for S100a8 in early embryo development and in the maternal deciduum. Dev Dyn 2012; 240:2194-203. [PMID: 22016186 DOI: 10.1002/dvdy.22709] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
S100a8 is a cytosolic protein expressed in myeloid cells where it forms a stable heterodimer with another S100 protein family member, S100a9. The S100a9(-/-) mouse is viable and phenotypically normal, whereas the S100a8(-/-) condition is embryonic lethal. We present evidence that S100a8, without S100a9, has a previously unrecognized role in embryo development between fertilization and the 8-cell stage at embryonic day (E) 2.5. S100a8 also has a second role in the maternal deciduum, where expression is associated with the vasculature from the E8.5 stage to the formation of mature placenta. Uterine natural killer cells that have a role in vascular remodelling colocalise with the S100a8 vascular expression in the metrial triangle. In inflammatory responses in peripheral tissues, S100a8 is a potent chemoattractant and also an anti-oxidant. Both roles may be important in the developing placenta. Thus we highlight two new S100a9-independent roles for S100a8 in early embryo development.
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Affiliation(s)
- J R Baker
- Leukocyte Adhesion Laboratory, Cancer Research UK London Research Institute, London, England
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Vogl T, Gharibyan AL, Morozova-Roche LA. Pro-inflammatory S100A8 and S100A9 proteins: self-assembly into multifunctional native and amyloid complexes. Int J Mol Sci 2012; 13:2893-2917. [PMID: 22489132 PMCID: PMC3317694 DOI: 10.3390/ijms13032893] [Citation(s) in RCA: 137] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 02/21/2012] [Accepted: 02/22/2012] [Indexed: 12/24/2022] Open
Abstract
S100A8 and S100A9 are EF-hand Ca2+ binding proteins belonging to the S100 family. They are abundant in cytosol of phagocytes and play critical roles in numerous cellular processes such as motility and danger signaling by interacting and modulating the activity of target proteins. S100A8 and S100A9 expression levels increased in many types of cancer, neurodegenerative disorders, inflammatory and autoimmune diseases and they are implicated in the numerous disease pathologies. The Ca2+ and Zn2+-binding properties of S100A8/A9 have a pivotal influence on their conformation and oligomerization state, including self-assembly into homo- and heterodimers, tetramers and larger oligomers. Here we review how the unique chemical and conformational properties of individual proteins and their structural plasticity at the quaternary level account for S100A8/A9 functional diversity. Additional functional diversification occurs via non-covalent assembly into oligomeric and fibrillar amyloid complexes discovered in the aging prostate and reproduced in vitro. This process is also regulated by Ca2+and Zn2+-binding and effectively competes with the formation of the native complexes. High intrinsic amyloid-forming capacity of S100A8/A9 proteins may lead to their amyloid depositions in numerous ailments characterized by their elevated expression patterns and have additional pathological significance requiring further thorough investigation.
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Affiliation(s)
- Thomas Vogl
- Institute of Immunology, University of Muenster, Röntgenstr. 21, 48149 Muenster, Germany; E-Mail:
| | - Anna L. Gharibyan
- Department of Medical Biochemistry and Biophysics, Umea University, SE-901 87 Umea, Sweden; E-Mail:
| | - Ludmilla A. Morozova-Roche
- Department of Medical Biochemistry and Biophysics, Umea University, SE-901 87 Umea, Sweden; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +46-90-786-52-83; Fax: +46-90-786-97-95
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Verma S, Hoffmann FW, Kumar M, Huang Z, Roe K, Nguyen-Wu E, Hashimoto AS, Hoffmann PR. Selenoprotein K knockout mice exhibit deficient calcium flux in immune cells and impaired immune responses. THE JOURNAL OF IMMUNOLOGY 2011; 186:2127-37. [PMID: 21220695 DOI: 10.4049/jimmunol.1002878] [Citation(s) in RCA: 165] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Selenoprotein K (Sel K) is a selenium-containing protein for which no function has been identified. We found that Sel K is an endoplasmic reticulum transmembrane protein expressed at relatively high levels in immune cells and is regulated by dietary selenium. Sel K(-/-) mice were generated and found to be similar to wild-type controls regarding growth and fertility. Immune system development was not affected by Sel K deletion, but specific immune cell defects were found in Sel K(-/-) mice. Receptor-mediated Ca(2+) flux was decreased in T cells, neutrophils, and macrophages from Sel K(-/-) mice compared with controls. Ca(2+)-dependent functions including T cell proliferation, T cell and neutrophil migration, and Fcγ receptor-mediated oxidative burst in macrophages were decreased in cells from Sel K(-/-) mice compared with that in cells from controls. West Nile virus infections were performed, and Sel K(-/-) mice exhibited decreased viral clearance in the periphery and increased viral titers in brain. Furthermore, West Nile virus-infected Sel K(-/-) mice demonstrated significantly lower survival (2 of 23; 8.7%) compared with that of wild-type controls (10 of 26; 38.5%). These results establish Sel K as an endoplasmic reticulum-membrane protein important for promoting effective Ca(2+) flux during immune cell activation and provide insight into molecular mechanisms by which dietary selenium enhances immune responses.
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Affiliation(s)
- Saguna Verma
- Department of Tropical Medicine, Medical Microbiology, and Pharmacology, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA
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16
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van Lent PL, Grevers LC, Schelbergen R, Blom A, Geurts J, Sloetjes A, Vogl T, Roth J, van den Berg WB. S100A8 causes a shift toward expression of activatory Fcγ receptors on macrophages via toll-like receptor 4 and regulates Fcγ receptor expression in synovium during chronic experimental arthritis. ACTA ACUST UNITED AC 2010; 62:3353-64. [PMID: 20662072 DOI: 10.1002/art.27654] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The levels of both Fcγ receptor (FcγR) and the alarmins S100A8 and S100A9 are correlated with the development and progression of cartilage destruction during antigen-induced arthritis (AIA). This study was undertaken to study the active involvement of S100A8, S100A9, and S100A8/S100A9 in FcγR regulation in murine macrophages and synovium during AIA. METHODS Recombinant murine S100A8 (rS100A8) was injected into normal mouse knee joints, and the synovium was isolated for analysis of FcγR messenger RNA (mRNA) expression by reverse transcription-polymerase chain reaction (RT-PCR). Macrophages, including bone marrow macrophages derived from Toll-like receptor 4-deficient (TLR-4(-/-)) mice, and polymorphonuclear cells (PMNs) were stimulated with S100 proteins, and levels of FcγR mRNA and protein were measured using RT-PCR and fluorescence-activated cell sorting analyses. AIA was induced in the knee joints of S100A9-deficient (S100A9(-/-)) mice, compared with wild-type (WT) controls, and the extent of cartilage destruction was determined using immunohistochemical analysis. RESULTS Intraarticular injection of rS100A8 into the knee joints of normal mice caused a strong up-regulation of mRNA levels of activating FcγRI (64-fold increase) and FcγRIV (256-fold increase) in the synovium. Stimulation of macrophages with rS100A8 led to significant up-regulation of mRNA and protein levels of FcγRI and FcγRIV, but not FcγRIII, while the effects of S100A9 or S100A8/S100A9 complexes were less potent. Stimulation of PMNs (32Dcl3 cell line) with S100 proteins had no effect on FcγR expression. Up-regulation of FcγRI and FcγRIV was abrogated in rS100A8-stimulated macrophages from TLR-4(-/-) mice, indicating that the induction of FcγR expression by S100A8 is mediated by TLR-4. FcγR expression in the inflamed synovium of S100A9(-/-) mice was significantly lower on day 14 after arthritis induction when compared with WT controls, and these findings correlated with reduced severity of matrix metalloproteinase-mediated cartilage destruction. CONCLUSION S100A8 is a strong promoter of activating FcγRI and FcγRIV in macrophages through the activation of TLR-4, and acts as a regulator of FcγR expression in inflamed synovium in chronic experimental arthritis.
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Affiliation(s)
- Peter L van Lent
- Department of Rheumatology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
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Shiota M, Tsunoda T, Song Y, Yokomizo A, Tada Y, Oda Y, Naito S. Enhanced S100 calcium-binding protein P expression sensitizes human bladder cancer cells to cisplatin. BJU Int 2010; 107:1148-53. [PMID: 20726978 DOI: 10.1111/j.1464-410x.2010.09535.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE • To investigate the role of S100 calcium-binding protein P (S100P) in the gain of cis-diamminedichloroplatinum (II) (cisplatin) resistance in bladder cancer, having previously found, with cDNA microarrays using two pairs of parental (T24, KK47) and their cisplatin-resistant bladder cancer cell lines (T24/DDP10, KK47/DDP20), that S100P mRNA expression was significantly reduced in cisplatin-resistant cells. MATERIALS AND METHODS • S100P mRNA and protein expression levels were investigated by northern and western blot analyses, respectively. • Intracellular S100P localization was examined by immunocytochemistry and immunohistochemistry. • S100P over-expression, obtained by transfection with S100P expression plasmid, was used to investigate whether or not S100P affected cellular resistance to cisplatin. RESULTS • S100P mRNA showed increased expression by cisplatin stimulation in parental cell lines. • On the other hand, S100P mRNA and protein expression levels were markedly reduced in cisplatin-resistant cells. • The over-expression of S100P in resistant cells resulted in an increased sensitivity to cisplatin. CONCLUSIONS • In bladder cancer cells, S100P was expressed and localized mainly in the nucleus. • S100P expression was also involved in cisplatin sensitivity. • S100P might thus represent a molecular marker predicting cisplatin sensitivity and a molecular therapeutic target for cisplatin-based chemotherapy.
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Affiliation(s)
- Masaki Shiota
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Li ZH, Dulyaninova NG, House RP, Almo SC, Bresnick AR. S100A4 regulates macrophage chemotaxis. Mol Biol Cell 2010; 21:2598-610. [PMID: 20519440 PMCID: PMC2912347 DOI: 10.1091/mbc.e09-07-0609] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Using a targeted genetic deletion, we show that the S100A4 metastasis factor is required for macrophage recruitment to sites of inflammation in vivo. S100A4−/− primary macrophages display defects in chemotaxis due to myosin-IIA overassembly and altered CSF-1 receptor signaling. These studies establish S100A4 as a regulator of macrophage motility. S100A4, a member of the S100 family of Ca2+-binding proteins, is directly involved in tumor metastasis. In addition to its expression in tumor cells, S100A4 is expressed in normal cells and tissues, including fibroblasts and cells of the immune system. To examine the contribution of S100A4 to normal physiology, we established S100A4-deficient mice by gene targeting. Homozygous S100A4−/− mice are fertile, grow normally and exhibit no overt abnormalities; however, the loss of S100A4 results in impaired recruitment of macrophages to sites of inflammation in vivo. Consistent with these observations, primary bone marrow macrophages (BMMs) derived from S100A4−/− mice display defects in chemotactic motility in vitro. S100A4−/− BMMs form unstable protrusions, overassemble myosin-IIA, and exhibit altered colony-stimulating factor-1 receptor signaling. These studies establish S100A4 as a regulator of physiological macrophage motility and demonstrate that S100A4 mediates macrophage recruitment and chemotaxis in vivo.
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Affiliation(s)
- Zhong-Hua Li
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY 10461, USA
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Schwartz R, Lu Y, Villines D, Sroussi HY. Effect of human immunodeficiency virus infection on S100A8/A9 inhibition of peripheral neutrophils oxidative metabolism. Biomed Pharmacother 2010; 64:572-5. [PMID: 20630697 DOI: 10.1016/j.biopha.2010.03.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Accepted: 03/26/2010] [Indexed: 01/04/2023] Open
Abstract
Neutrophils are endowed with a highly active oxidative metabolism that is crucial for their antimicrobial functions but can produce oxidative conditions disruptive to the host. Opportunistic infections associated with HIV disease and ex vivo studies of neutrophils from HIV patients suggest that neutrophil dysfunctions significantly contribute to HIV disease. The calcium-binding proteins S100A8 and S100A9 are abundant cytosolic constituents of human neutrophils. Our previous work has shown that S100A8 and S100A9 inhibit neutrophil oxidative metabolism. In this study, we tested the hypothesis that neutrophils from HIV infected subjects respond differently to S100A8 and S100A9 when compared to neutrophils isolated from control HIV naive subjects. Neutrophils, freshly isolated from whole blood, were tested in a 96-well plate assay for their ability to oxidize the DCFH-DA probe. The neutrophils from HIV+ and HIV- subjects were stimulated with LPS and inhibited with recombinant S100A8 and S100A9. Our data indicate that when compared to neutrophils isolated from HIV- subjects, neutrophils from HIV+ subjects display an exaggerated response to LPS and a diminished response to S100A8 and S100A9 inhibition. Our data support our hypothesis and signify that, in HIV disease, dysregulated neutrophil responses to endotoxins stimulation and S100A8/A9 inhibition may contribute to a higher risk for oxidative stress associated ailments. The mechanism for the observed differences in neutrophil response and their biological significance in the course of HIV disease should be addressed in further studies.
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Affiliation(s)
- Robert Schwartz
- Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, University of Illinois, 801 S. Paulina Street, M/C838, Chicago, IL 60612, USA
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Goyette J, Geczy CL. Inflammation-associated S100 proteins: new mechanisms that regulate function. Amino Acids 2010; 41:821-42. [PMID: 20213444 DOI: 10.1007/s00726-010-0528-0] [Citation(s) in RCA: 248] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2009] [Accepted: 02/12/2010] [Indexed: 01/11/2023]
Abstract
This review focuses on new aspects of extracellular roles of the calgranulins. S100A8, S100A9 and S100A12 are constitutively expressed in neutrophils and induced in several cell types. The S100A8 and S100A9 genes are regulated by pro- and anti-inflammatory mediators and their functions may depend on cell type, mediators within a particular inflammatory milieu, receptors involved in their recognition and their post-translational modification. The S100A8 gene induction in macrophages is dependent on IL-10 and potentiated by immunosuppressive agents. S100A8 and S100A9 are oxidized by peroxide, hypochlorite and nitric oxide (NO). HOCl generates intra-chain sulfinamide bonds; stronger oxidation promotes cross-linked forms that are seen in human atheroma. S100A8 is >200-fold more sensitive to oxidative cross-linking than low-density lipoprotein and may reduce oxidative damage. S100A8 and S100A9 can be S-nitrosylated. S100A8-SNO suppresses mast cell activation and inflammation in the microcirculation and may act as an NO transporter to regulate vessel tone in inflammatory lesions. S100A12 activates mast cells and is a monocyte and mast cell chemoattractant; a G-protein-coupled mechanism may be involved. Structure-function studies are discussed in relation to conservation and divergence of functions in S100A8. S100A12 induces cytokines in mast cells, but not monocytes/macrophages. It forms complexes with Zn(2+) and, by chelating Zn(2+), S100A12 significantly inhibits MMPs. Zn(2+) in S100A12 complexes co-localize with MMP-9 in foam cells in atheroma. In summary, S100A12 has pro-inflammatory properties that are likely to be stable in an oxidative environment, because it lacks Cys and Met residues. Conversely, S100A8 and S100A9 oxidation and S-nitrosylation may have important protective mechanisms in inflammation.
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Affiliation(s)
- Jesse Goyette
- Centre for Infection and Inflammation Research, School of Medical Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
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Hsu K, Champaiboon C, Guenther BD, Sorenson BS, Khammanivong A, Ross KF, Geczy CL, Herzberg MC. ANTI-INFECTIVE PROTECTIVE PROPERTIES OF S100 CALGRANULINS. Antiinflamm Antiallergy Agents Med Chem 2009; 8:290-305. [PMID: 20523765 PMCID: PMC2879674 DOI: 10.2174/187152309789838975] [Citation(s) in RCA: 133] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The calgranulins are a subgroup of proteins in the S100 family (calgranulin A, S100A8; calgranulin B, S100A9 and calgranulin C, S100A12) that provide protective anti-infective and anti-inflammatory functions for the mammalian host. In this review, we discuss the structure-function relationships whereby S100A8 and S100A9, and for comparison, S100A12, provide intra- and extracellular protection during the complex interplay between infection and inflammation and how the calgranulins are regulated to optimally protect the host. Ideally located to support epithelial barrier function, calprotectin, a complex of S100A8/S100A9, is expressed in squamous mucosal keratinocytes and innate immune cells present at mucosal surfaces. The calgranulins are also abundantly produced in neutrophils and monocytes, whereas expression is induced in epidermal keratinocytes, gastrointestinal epithelial cells and fibroblasts during inflammation. The calgranulins show species-specific expression and function. For example, S100A8 is chemotactic in rodents but not in humans. In humans, S100A12 appears to serve as a functional chemotactic homolog to murine S100A8. Transition metal-binding and oxidation sites within calgranulins are able to create structural changes that may orchestrate new protective functions or binding targets. The calgranulins thus appear to adopt a variety of roles to protect the host. In addition to serving as a leukocyte chemoattractant, protective functions include oxidant scavenging, antimicrobial activity, and chemokine-like activities. Each function may reflect the concentration of the calgranulin, post-transcriptional modifications, oligomeric forms, and the proximal intracellular or extracellular environments. Calprotectin and the calgranulins are remarkable as multifunctional proteins dedicated to protecting the intra- and extracellular environments during infection and inflammation.
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Affiliation(s)
- Kenneth Hsu
- Centre for Infection and Inflammation Research, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Chantrakorn Champaiboon
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
| | - Brian D. Guenther
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
| | - Brent S. Sorenson
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
| | - Ali Khammanivong
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
| | - Karen F. Ross
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
| | - Carolyn L. Geczy
- Centre for Infection and Inflammation Research, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Mark C. Herzberg
- Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN 55455 and the Mucosal and Vaccine Research Center, Minneapolis VA Medical Center, Minneapolis, MN 55417 USA
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Kölsch V, Charest PG, Firtel RA. The regulation of cell motility and chemotaxis by phospholipid signaling. J Cell Sci 2008; 121:551-9. [PMID: 18287584 DOI: 10.1242/jcs.023333] [Citation(s) in RCA: 276] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Phosphoinositide 3-kinase (PI3K), PTEN and localized phosphatidylinositol (3,4,5)-trisphosphate [PtdIns(3,4,5)P3] play key roles in chemotaxis, regulating cell motility by controlling the actin cytoskeleton in Dictyostelium and mammalian cells. PtdIns(3,4,5)P3, produced by PI3K, acts via diverse downstream signaling components, including the GTPase Rac, Arf-GTPases and the kinase Akt (PKB). It has become increasingly apparent, however, that chemotaxis results from an interplay between the PI3K-PTEN pathway and other parallel pathways in Dictyostelium and mammalian cells. In Dictyostelium, the phospholipase PLA2 acts in concert with PI3K to regulate chemotaxis, whereas phospholipase C (PLC) plays a supporting role in modulating PI3K activity. In adenocarcinoma cells, PLC and the actin regulator cofilin seem to provide the direction-sensing machinery, whereas PI3K might regulate motility.
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Affiliation(s)
- Verena Kölsch
- Section of Cell and Developmental Biology, Division of Biological Sciences, Center for Molecular Genetics, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0380, USA
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