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Groenen AG, Lipscomb M, Bossardi Ramos R, Sadhu S, Bazioti V, Fredman G, Westerterp M. Resolvin D1 suppresses macrophage senescence and splenic fibrosis in aged mice. Prostaglandins Leukot Essent Fatty Acids 2024; 202:102634. [PMID: 39167848 DOI: 10.1016/j.plefa.2024.102634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/19/2024] [Accepted: 08/06/2024] [Indexed: 08/23/2024]
Abstract
Aging is associated with systemic, non-resolving inflammation and the accumulation of senescent cells. The resolution of inflammation (or inflammation-resolution) is in part mediated by the balance between specialized pro-resolving mediators (SPMs) and pro-inflammatory leukotrienes (LTs). Aged mice (i.e. 2 years of age) exhibit a significant decrease in the SPM:LT ratio in specific organs including the spleen, which suggests that this organ may exhibit heightened inflammation and may be particularly amenable to SPM therapy. Previous studies have shown that resolvin D1 (RvD1) is decreased in spleens of aged mice compared with young controls. Therefore, we asked whether treatment of RvD1 in aged mice would impact markers of cellular senescence in splenic macrophages, and downstream effects on splenic fibrosis, a hallmark of splenic aging. We found that in aged mice, both zymosan-elicited and splenic macrophages showed an increase in mRNA expression of inflammatory and eicosanoid biosynthesis genes and a dysregulation of genes involved in the cell cycle. Injections with RvD1 reversed these changes. Importantly, RvD1 also decreased splenic fibrosis, a hallmark of splenic aging. Our findings suggest that RvD1 treatment may limit several features of aging, including senescence and fibrosis in spleens from aged mice. Summary Aging is associated with systemic, low grade, non-resolving inflammation. The resolution of inflammation is in part mediated by the balance between specialized pro-resolving mediators (SPMs) and pro-inflammatory lipid mediators, like leukotrienes (LTs). A hallmark of aging is the accumulation of senescent cells that promote low grade inflammation by secreting pro-inflammatory cytokines and lipid mediators. Splenic macrophages contribute to systemic aging, and spleens of aged mice demonstrate decreased levels of the SPM called resolvin D1 (RvD1). Whether addition of RvD1 is protective in spleens of aged mice is unknown and is focus of this study. RvD1 treatment to aged mice led to decreased mRNA expression of markers of cellular senescence and inflammation in splenic macrophages compared with age-matched vehicle controls. Moreover, RvD1 decreased splenic fibrosis, which occurs due to persistent low-grade inflammation in aging. Promoting inflammation resolution with RvD1 thus limits macrophage senescence, pro-inflammatory signals and established splenic fibrosis in aging.
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Affiliation(s)
- Anouk G Groenen
- Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Masharh Lipscomb
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, NY, USA
| | - Ramon Bossardi Ramos
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, NY, USA
| | - Sudeshna Sadhu
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, NY, USA
| | - Venetia Bazioti
- Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Gabrielle Fredman
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York, NY, USA.
| | - Marit Westerterp
- Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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de Souza S, Laumet S, Inyang KE, Hua H, Sim J, Folger JK, Moeser AJ, Laumet G. Mast cell-derived chymases are essential for the resolution of inflammatory pain in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.05.606617. [PMID: 39211156 PMCID: PMC11361099 DOI: 10.1101/2024.08.05.606617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Immune cells play a critical role in the transition from acute to chronic pain. However, the role of mast cells in pain remains under-investigated. Here, we demonstrated that the resolution of inflammatory pain is markedly delayed in mast-cell-deficient mice. In response to Complete Freund Adjuvant (CFA), mast-cell-deficient mice showed greater levels of nitric oxide and altered cytokine/chemokine profile in inflamed skin in both sexes. In Wild-Type (WT) mice, the number of mast cell and mast cell-derived chymases; chymase 1 (CMA1) and mast cell protease 4 (MCPT4) increased in the inflamed skin. Inhibiting chymase enzymatic activity delayed the resolution of inflammatory pain. Consistently, local pharmacological administration of recombinant CMA1 and MCPT4 promoted the resolution of pain hypersensitivity and attenuated the upregulation of cytokines and chemokines under inflammation. We identified CCL9 as a target of MCPT4. Inhibition of CCL9 promoted recruitment of CD206 + myeloid cells and alleviated inflammatory pain. Our work reveals a new role of mast cell-derived chymases in preventing the transition from acute to chronic pain and suggests new therapeutic avenues for the treatment of inflammatory pain. Summary Mast cell-derived chymases play an unexpected role in the resolution of inflammatory pain and regulate the immune response. Graphical abstract
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deKay JT, Chepurko E, Chepurko V, Knudsen L, Lord C, Searight M, Tsibulnikov S, Robich MP, Sawyer DB, Gagnon DJ, May T, Riker R, Seder DB, Ryzhov S. Delayed CCL23 response is associated with poor outcomes after cardiac arrest. Cytokine 2024; 176:156536. [PMID: 38325139 PMCID: PMC10915974 DOI: 10.1016/j.cyto.2024.156536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/10/2023] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
Chemokines, a family of chemotactic cytokines, mediate leukocyte migration to and entrance into inflamed tissue, contributing to the intensity of local inflammation. We performed an analysis of chemokine and immune cell responses to cardiac arrest (CA). Forty-two patients resuscitated from cardiac arrest were analyzed, and twenty-two patients who underwent coronary artery bypass grafting (CABG) surgery were enrolled. Quantitative antibody array, chemokines, and endotoxin quantification were performed using the patients blood. Analysis of CCL23 production in neutrophils obtained from CA patients and injected into immunodeficient mice after CA and cardiopulmonary resuscitation (CPR) were done using flow cytometry. The levels of CCL2, CCL4, and CCL23 are increased in CA patients. Temporal dynamics were different for each chemokine, with early increases in CCL2 and CCL4, followed by a delayed elevation in CCL23 at forty-eight hours after CA. A high level of CCL23 was associated with an increased number of neutrophils, neuron-specific enolase (NSE), worse cerebral performance category (CPC) score, and higher mortality. To investigate the role of neutrophil activation locally in injured brain tissue, we used a mouse model of CA/CPR. CCL23 production was increased in human neutrophils that infiltrated mouse brains compared to those in the peripheral circulation. It is known that an early intense inflammatory response (within hours) is associated with poor outcomes after CA. Our data indicate that late activation of neutrophils in brain tissue may also promote ongoing injury via the production of CCL23 and impair recovery after cardiac arrest.
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Affiliation(s)
| | | | | | - Lacey Knudsen
- MaineHealth Institue for Research, Scarborough, ME USA
| | - Christine Lord
- Maine Medical Center Department of Critical Care Services, Portland, ME, USA
| | - Meghan Searight
- Maine Medical Center Department of Critical Care Services, Portland, ME, USA
| | | | | | | | - David J Gagnon
- MaineHealth Institue for Research, Scarborough, ME USA; MaineHealth Department of Pharmacy, Portland, ME, USA; Tufts University School of Medicine, Boston, MA, USA
| | - Teresa May
- MaineHealth Institue for Research, Scarborough, ME USA; Maine Medical Center Department of Critical Care Services, Portland, ME, USA
| | - Richard Riker
- MaineHealth Institue for Research, Scarborough, ME USA; Maine Medical Center Department of Critical Care Services, Portland, ME, USA
| | - David B Seder
- MaineHealth Institue for Research, Scarborough, ME USA; Maine Medical Center Department of Critical Care Services, Portland, ME, USA.
| | - Sergey Ryzhov
- MaineHealth Institue for Research, Scarborough, ME USA.
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4
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Yu X, Li C, Wang Z, Xu Y, Shao S, Shao F, Wang H, Liu J. Neutrophils in cancer: dual roles through intercellular interactions. Oncogene 2024; 43:1163-1177. [PMID: 38472320 DOI: 10.1038/s41388-024-03004-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 03/02/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
Neutrophils, the most abundant immune cells in human blood, play crucial and diverse roles in tumor development. In the tumor microenvironment (TME), cancer cells regulate the recruitment and behaviors of neutrophils, transforming some of them into a pro-tumor phenotype. Pro-tumor neutrophils interact with cancer cells in various ways to promote cancer initiation, growth, and metastasis, while anti-tumor neutrophils interact with cancer cells to induce senescence and death. Neutrophils can also interact with other cells in TME, including T cells, macrophages, stromal cells, etc. to exert anti- or pro-tumor functions. In this review, we will analyze the anti- and pro-tumor intercellular interactions mediated by neutrophils, with a focus on generalizing the mechanisms underlying the interaction of neutrophils with tumor cells and T cells. Furthermore, we will provide an overview of cancer treatment strategies targeting neutrophil-mediated cellular interactions.
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Affiliation(s)
- Xinyu Yu
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital, and Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310029, China
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Changhui Li
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Zijin Wang
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital, and Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310029, China
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Yaping Xu
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital, and Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310029, China
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Shiqun Shao
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Fangwei Shao
- Biomedical and Heath Translational Research Center of Zhejiang Province, Haining, China
- -University of Illinois Urbana-Champaign Institute, Zhejiang University, Haining, 314400, China
- National Key Laboratory of Biobased Transportation Fuel Technology, Zhejiang University, Hangzhou, 310027, China
| | - Hua Wang
- Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Jian Liu
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital, and Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310029, China.
- Edinburgh Medical School: Biomedical Sciences, College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK.
- Biomedical and Heath Translational Research Center of Zhejiang Province, Haining, China.
- Hangzhou Cancer Institution, Affiliated Hangzhou Cancer Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310002, China.
- Cancer Center, Zhejiang University, Hangzhou, 310058, China.
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310058, China.
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Chen J, Hui Q, Liu C, Brijkumar J, Edwards JA, Ordóñez CE, Dudgeon MR, Sunpath H, Pillay S, Moodley P, Kuritzkes DR, Moosa MYS, Nemoto T, Marconi VC, Sun YV. Associations of inflammation-related proteome with demographic and clinical characteristics of people with HIV in South Africa. Proteomics Clin Appl 2024; 18:e2300015. [PMID: 37672793 DOI: 10.1002/prca.202300015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 07/13/2023] [Accepted: 08/24/2023] [Indexed: 09/08/2023]
Abstract
PURPOSE Elevated levels of inflammation associated with human immunodeficiency virus (HIV) infection are one of the primary causes for the burden of age-related diseases among people with HIV (PWH). Circulating proteins can be used to investigate pathways to inflammation among PWH. EXPERIMENTAL DESIGN We profiled 73 inflammation-related protein markers and assessed their associations with chronological age, sex, and CD4+ cell count among 87 black South African PWH before antiretroviral therapy (ART). RESULTS We identified 1, 1, and 14 inflammatory proteins significantly associated with sex, CD4+ cell count, and age respectively. Twelve out of 14 age-associated proteins have been reported to be associated with age in the general population, and 4 have previously shown significant associations with age for PWH. Furthermore, many of the age-associated proteins such as CST5, CCL23, SLAMF1, MMP-1, MCP-1, and CDCP1 have been linked to chronic diseases such as cardiovascular disease and neurocognitive decline in the general population. We also found a synergistic interaction between male and older age accounting for excessive expression of CST5. CONCLUSIONS AND CLINICAL RELEVANCE We found that advanced age may lead to the elevation of multiple inflammatory proteins among PWH. We also demonstrated the potential utility of proteomics for evaluating and characterizing the inflammatory status of PWH.
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Affiliation(s)
- Junyu Chen
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Qin Hui
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Chang Liu
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
| | - Jaysingh Brijkumar
- Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
| | - Johnathan A Edwards
- Department of Biostatistics and Bioinformatics and School of Medicine, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
- School of Health and Social Care, Lincoln International Institute for Rural Health, University of Lincoln, Lincoln, UK
| | - Claudia E Ordóñez
- Hubert Department of Global Health, Rollins School of Public Health, Atlanta, Georgia, USA
| | - Mathew R Dudgeon
- Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Henry Sunpath
- Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
| | - Selvan Pillay
- Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
- Adrenergy Research Innovations, Durban, South Africa
| | - Pravi Moodley
- School of Laboratory Medicine and Medical Sciences, National Health Laboratory Service, University of KwaZulu-Natal, Durban, South Africa
| | - Daniel R Kuritzkes
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mohamed Y S Moosa
- Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
| | - Tooru Nemoto
- Public Health Institute, Oakland, California, USA
| | - Vincent C Marconi
- Hubert Department of Global Health, Rollins School of Public Health, Atlanta, Georgia, USA
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta Veterans Affairs Health Care System, Decatur, Georgia, USA
| | - Yan V Sun
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
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6
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Zhang X, Kang Z, Yin D, Gao J. Role of neutrophils in different stages of atherosclerosis. Innate Immun 2023; 29:97-109. [PMID: 37491844 PMCID: PMC10468622 DOI: 10.1177/17534259231189195] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/20/2023] [Accepted: 07/04/2023] [Indexed: 07/27/2023] Open
Abstract
Neutrophils constitute the first line of defense in human immunity and can be attracted to inflamed and infected sites by various chemokines. As essential players in immune processes, neutrophils theoretically play integral roles in the course of chronic inflammation-induced atherosclerosis. However, because neutrophils are rarely found in atherosclerotic lesions, their involvement in the pathophysiological progression of atherosclerosis has been largely underestimated or ignored. Recent research has revealed convincing evidence showing the presence of neutrophils in atherosclerotic lesions and has revealed neutrophil contributions to different atherosclerosis stages in mice and humans. This review describes the underlying mechanisms of neutrophils in different stages of atherosclerosis and highlights potential neutrophil-targeted therapeutic strategies relevant to atherosclerosis. An in-depth understanding of neutrophils' roles in atherosclerosis pathology will promote exploration of new methods for the prevention and treatment of atherogenesis and atherothrombosis.
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Affiliation(s)
- Xiaojing Zhang
- Department of Basic Medical Research, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Zhanfang Kang
- Department of Basic Medical Research, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Dazhong Yin
- Department of Basic Medical Research, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
| | - Jun Gao
- Department of Basic Medical Research, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan City People's Hospital, Qingyuan, Guangdong, China
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7
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Zhou F, Sun Y, Xie X, Zhao Y. Blood and CSF chemokines in Alzheimer's disease and mild cognitive impairment: a systematic review and meta-analysis. Alzheimers Res Ther 2023; 15:107. [PMID: 37291639 DOI: 10.1186/s13195-023-01254-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVE Chemokines, which are chemotactic inflammatory mediators involved in controlling the migration and residence of all immune cells, are closely associated with brain inflammation, recognized as one of the potential processes/mechanisms associated with cognitive impairment. We aim to determine the chemokines which are significantly altered in Alzheimer's disease (AD) and mild cognitive impairment (MCI), as well as the respective effect sizes, by performing a meta-analysis of chemokines in cerebrospinal fluid (CSF) and blood (plasma or serum). METHODS We searched three databases (Pubmed, EMBASE and Cochrane library) for studies regarding chemokines. The three pairwise comparisons were as follows: AD vs HC, MCI vs healthy controls (HC), and AD vs MCI. The fold-change was calculated using the ratio of mean (RoM) chemokine concentration for every study. Subgroup analyses were performed for exploring the source of heterogeneity. RESULTS Of 2338 records identified from the databases, 61 articles comprising a total of 3937 patients with AD, 1459 with MCI, and 4434 healthy controls were included. The following chemokines were strongly associated with AD compared with HC: blood CXCL10 (RoM, 1.92, p = 0.039), blood CXCL9 (RoM, 1.78, p < 0.001), blood CCL27 (RoM, 1.34, p < 0.001), blood CCL15 (RoM, 1.29, p = 0.003), as well as CSF CCL2 (RoM, 1.19, p < 0.001). In the comparison of AD with MCI, there was significance for blood CXCL9 (RoM, 2.29, p < 0.001), blood CX3CL1 (RoM, 0.77, p = 0.017), and blood CCL1 (RoM, 1.37, p < 0.001). Of the chemokines tested, blood CX3CL1 (RoM, 2.02, p < 0.001) and CSF CCL2 (RoM, 1.16, p = 0.004) were significant for the comparison of MCI with healthy controls. CONCLUSIONS Chemokines CCL1, CCL2, CCL15, CCL27, CXCL9, CXCL10, and CX3CL1 might be most promising to serve as key molecular markers of cognitive impairment, although more cohort studies with larger populations are needed.
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Affiliation(s)
- Futao Zhou
- School of Basic Medicine, Gannan Medical University, Ganzhou City, Jiangxi Province, 341000, China.
| | - Yangyan Sun
- School of Basic Medicine, Gannan Medical University, Ganzhou City, Jiangxi Province, 341000, China
| | - Xinhua Xie
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases of Ministry of Education, Gannan Medical University, Ganzhou, Jiangxi, 341000, China
| | - Yushi Zhao
- School of Basic Medicine, Gannan Medical University, Ganzhou City, Jiangxi Province, 341000, China
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8
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Giblin SP, Pease JE. What defines a chemokine? - The curious case of CXCL17. Cytokine 2023; 168:156224. [PMID: 37210967 DOI: 10.1016/j.cyto.2023.156224] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/28/2023] [Accepted: 05/01/2023] [Indexed: 05/23/2023]
Abstract
Chemotactic cytokines (chemokines) are a group of around 40 small proteins which share a similar protein fold and are well known for their ability to direct the migration of leukocytes to a variety of tissue locations. CXCL17 was the last member of the chemokine family to be assigned and was admitted to the family based on theoretical modelling of the CXCL17 structure and chemotactic activity for monocytes and dendritic cells. Of Interest, CXCL17 expression appears to be restricted to mucosal tissues such as the tongue, stomach and lung, suggestive of specific roles at these locations. A putative CXCL17 receptor, GPR35 was reportedly identified and mice deficient in CXCL17 were generated and characterised. More recently, however, some apparent contradictions regarding aspects of CXCL17 biology have been raised by ourselves and others. Notably, GPR35 appears to be a receptor for the serotonin metabolite 5-hydroxyindoleacetic acid rather than for CXCL17 and modelling of CXCL17 using a variety of platforms fails to identify a chemokine-like fold. In this article, we summarize the discovery of CXCL17 and discuss key papers describing the subsequent characterisation of this protein. Ultimately, we pose the question, 'What defines a chemokine?' (185 words).
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Affiliation(s)
- Sean Patrick Giblin
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK
| | - James Edward Pease
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK.
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Guo XL, Gao YY, Yang YX, Zhu QF, Guan HY, He X, Zhang CL, Wang Y, Xu GB, Zou SH, Wei MC, Zhang J, Zhang JJ, Liao SG. Amelioration effects of α-viniferin on hyperuricemia and hyperuricemia-induced kidney injury in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 116:154868. [PMID: 37209608 DOI: 10.1016/j.phymed.2023.154868] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/12/2023] [Accepted: 05/08/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND α-Viniferin, the major constituent of the roots of Caragana sinica (Buc'hoz) Rehder with a trimeric resveratrol oligostilbenoid skeleton, was demonstrated to possess a strong inhibitory effect on xanthine oxidase in vitro, suggesting it to be a potential anti-hyperuricemia agent. However, the in vivo anti-hyperuricemia effect and its underlying mechanism were still unknown. PURPOSE The current study aimed to evaluate the anti-hyperuricemia effect of α-viniferin in a mouse model and to assess its safety profile with emphasis on its protective effect on hyperuricemia-induced renal injury. METHODS The effects were assessed in a potassium oxonate (PO)- and hypoxanthine (HX)-induced hyperuricemia mice model by analyzing the levels of serum uric acid (SUA), urine uric acid (UUA), serum creatinine (SCRE), serum urea nitrogen (SBUN), and histological changes. Western blotting and transcriptomic analysis were used to identify the genes, proteins, and signaling pathways involved. RESULTS α-Viniferin treatment significantly reduced SUA levels and markedly mitigated hyperuricemia-induced kidney injury in the hyperuricemia mice. Besides, α-viniferin did not show any obvious toxicity in mice. Research into the mechanism of action of α-viniferin revealed that it not only inhibited uric acid formation by acting as an XOD inhibitor, but also reduced uric acid absorption by acting as a GLUT9 and URAT1 dual inhibitor as well as promoted uric acid excretion by acting as a ABCG2 and OAT1 dual activator. Then, 54 differentially expressed (log2 FPKM ≥ 1.5, p ≤ 0.01) genes (DEGs) repressed by the treatment of α-viniferin in the hyperuricemia mice were identified in the kidney. Finally, gene annotation results revealed that downregulation of S100A9 in the IL-17 pathway, of CCR5 and PIK3R5 in the chemokine signaling pathway, and of TLR2, ITGA4, and PIK3R5 in the PI3K-AKT signaling pathway were involved in the protective effect of α-viniferin on the hyperuricemia-induced renal injury. CONCLUSIONS α-Viniferin inhibited the production of uric acid through down-regulation of XOD in hyperuricemia mice. Besides, it also down-regulated the expressions of URAT1 and GLUT9 and up-regulated the expressions of ABCG2 and OAT1 to promote the excretion of uric acid. α-Viniferin could prevent hyperuricemia mice from renal damage by regulating the IL-17, chemokine, and PI3K-AKT signaling pathways. Collectively, α-viniferin was a promising antihyperuricemia agent with desirable safety profile. This is the first report of α-viniferin as an antihyperuricemia agent.
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Affiliation(s)
- Xiao-Li Guo
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Yan-Yan Gao
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Ya-Xin Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Qin-Feng Zhu
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Huan-Yu Guan
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Xun He
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Chun-Lei Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Ya Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Guo-Bo Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China; National Engineering Research Center of Miao's Medicines & Engineering Research Center for the Development and Application of Ethnic Medicine and TCM, Ministry of Education & Guizhou Provincial Key Laboratory of Pharmaceutics, Guiyang, 550004, Guizhou, China
| | - Shu-Han Zou
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China
| | - Mao-Chen Wei
- Guiyang Xintian Pharmaceutical Co., Ltd, Guiyang, 550000, Guizhou, China
| | - Jian Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China; Medicinal Bioinformatics Center, Shanghai JiaoTong University School of Medicine, 2000000, Shanghai, China
| | - Jin-Juan Zhang
- School of Basic Medical Sciences, Guizhou Medical University, Guizhou 550025, China.
| | - Shang-Gao Liao
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy, Guizhou Medical University, Guian New District, 550025, Guizhou, China; National Engineering Research Center of Miao's Medicines & Engineering Research Center for the Development and Application of Ethnic Medicine and TCM, Ministry of Education & Guizhou Provincial Key Laboratory of Pharmaceutics, Guiyang, 550004, Guizhou, China.
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Łazarczyk M, Kurzejamska E, Mickael ME, Poznański P, Skiba D, Sacharczuk M, Gaciong Z, Religa P. Mouse CCL9 Chemokine Acts as Tumor Suppressor in a Murine Model of Colon Cancer. Curr Issues Mol Biol 2023; 45:3446-3461. [PMID: 37185750 PMCID: PMC10136558 DOI: 10.3390/cimb45040226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 05/17/2023] Open
Abstract
Colorectal cancer is the third most frequently diagnosed cancer in the world. Despite extensive studies and apparent progress in modern strategies for disease control, the treatment options are still not sufficient and effective, mostly due to frequently encountered resistance to immunotherapy of colon cancer patients in common clinical practice. In our study, we aimed to uncover the CCL9 chemokine action employing the murine model of colon cancer to seek new, potential molecular targets that could be promising in the development of colon cancer therapy. Mouse CT26.CL25 colon cancer cell line was used for introducing lentivirus-mediated CCL9 overexpression. The blank control cell line contained an empty vector, while the cell line marked as CCL9+ carried the CCL9-overexpressing vector. Next, cancer cells with empty vector (control) or CCL9-overexpressing cells were injected subcutaneously, and the growing tumors were measured within 2 weeks. Surprisingly, CCL9 contributed to a decline in tumor growth in vivo but had no effect on CT26.CL25 cell proliferation or migration in vitro. Microarray analysis of the collected tumor tissues revealed upregulation of the immune system-related genes in the CCL9 group. Obtained results suggest that CCL9 reveals its anti-proliferative functions by interplay with host immune cells and mediators that were absent in the isolated, in vitro system. Under specific study conditions, we determined unknown features of the murine CCL9 that have so far bee reported to be predominantly pro-oncogenic.
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Affiliation(s)
- Marzena Łazarczyk
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, 05-552 Jastrzębiec, Poland
| | - Ewa Kurzejamska
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85 Uppsala, Sweden
- Department of Laboratory Medicine, Division of Pathology, Karolinska Institute, 142 86 Stockolm, Sweden
| | - Michel-Edwar Mickael
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, 05-552 Jastrzębiec, Poland
| | - Piotr Poznański
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, 05-552 Jastrzębiec, Poland
| | - Dominik Skiba
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, 05-552 Jastrzębiec, Poland
| | - Mariusz Sacharczuk
- Department of Experimental Genomics, Institute of Genetics and Animal Biotechnology, Polish Academy of Sciences, 05-552 Jastrzębiec, Poland
- Department of Pharmacodynamics, Centre for Preclinical Research and Technology, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Zbigniew Gaciong
- Department of Internal Medicine, Hypertension and Vascular Diseases, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Piotr Religa
- Department of Medicine, Karolinska Institute, 171 76 Stockholm, Sweden
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11
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Adrover JM, McDowell SAC, He XY, Quail DF, Egeblad M. NETworking with cancer: The bidirectional interplay between cancer and neutrophil extracellular traps. Cancer Cell 2023; 41:505-526. [PMID: 36827980 DOI: 10.1016/j.ccell.2023.02.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/09/2023] [Accepted: 02/01/2023] [Indexed: 02/25/2023]
Abstract
Neutrophils are major effectors and regulators of the immune system. They play critical roles not only in the eradication of pathogens but also in cancer initiation and progression. Conversely, the presence of cancer affects neutrophil activity, maturation, and lifespan. By promoting or repressing key neutrophil functions, cancer cells co-opt neutrophil biology to their advantage. This co-opting includes hijacking one of neutrophils' most striking pathogen defense mechanisms: the formation of neutrophil extracellular traps (NETs). NETs are web-like filamentous extracellular structures of DNA, histones, and cytotoxic granule-derived proteins. Here, we discuss the bidirectional interplay by which cancer stimulates NET formation, and NETs in turn support disease progression. We review how vascular dysfunction and thrombosis caused by neutrophils and NETs underlie an elevated risk of death from cardiovascular events in cancer patients. Finally, we propose therapeutic strategies that may be effective in targeting NETs in the clinical setting.
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Affiliation(s)
- Jose M Adrover
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Sheri A C McDowell
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC, Canada; Department of Physiology, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Xue-Yan He
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Daniela F Quail
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, QC, Canada; Department of Physiology, Faculty of Medicine, McGill University, Montreal, QC, Canada.
| | - Mikala Egeblad
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA.
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12
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Allam VSRR, Waern I, Taha S, Akula S, Wernersson S, Pejler G. Nafamostat has anti-asthmatic effects associated with suppressed pro-inflammatory gene expression, eosinophil infiltration and airway hyperreactivity. Front Immunol 2023; 14:1136780. [PMID: 37153590 PMCID: PMC10160450 DOI: 10.3389/fimmu.2023.1136780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 04/07/2023] [Indexed: 05/09/2023] Open
Abstract
Introduction Asthma is characterized by an imbalance between proteases and their inhibitors. Hence, an attractive therapeutic option could be to interfere with asthma-associated proteases. Here we exploited this option by assessing the impact of nafamostat, a serine protease inhibitor known to neutralize mast cell tryptase. Methods Nafamostat was administered in a mouse model for asthma based on sensitization by house dust mite (HDM) extract, followed by the assessment of effects on airway hyperreactivity, inflammatory parameters and gene expression. Results We show that nafamostat efficiently suppressed the airway hyperreactivity in HDM-sensitized mice. This was accompanied by reduced infiltration of eosinophils and lymphocytes to the airways, and by lower levels of pro-inflammatory compounds within the airway lumen. Further, nafamostat had a dampening impact on goblet cell hyperplasia and smooth muscle layer thickening in the lungs of HDM-sensitized animals. To obtain deeper insight into the underlying mechanisms, a transcriptomic analysis was conducted. This revealed, as expected, that the HDM sensitization caused an upregulated expression of numerous pro-inflammatory genes. Further, the transcriptomic analysis showed that nafamostat suppressed the levels of multiple pro-inflammatory genes, with a particular impact on genes related to asthma. Discussion Taken together, this study provides extensive insight into the ameliorating effect of nafamostat on experimental asthma, and our findings can thereby provide a basis for the further evaluation of nafamostat as a potential therapeutic agent in human asthma.
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Affiliation(s)
- Venkata Sita Rama Raju Allam
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Ida Waern
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Sowsan Taha
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Srinivas Akula
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Sara Wernersson
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
- *Correspondence: Sara Wernersson, ; Gunnar Pejler,
| | - Gunnar Pejler
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- *Correspondence: Sara Wernersson, ; Gunnar Pejler,
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13
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Lin H, Shen J, Zhu Y, Zhou L, Wu F, Liu Z, Zhang S, Zhan R. Elevated Serum CCL23 Levels at Admission Predict Delayed Cerebral Ischemia and Functional Outcome after Aneurysmal Subarachnoid Hemorrhage. J Clin Med 2022; 11:jcm11236879. [PMID: 36498453 PMCID: PMC9737062 DOI: 10.3390/jcm11236879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/08/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022] Open
Abstract
(1) Background: CC chemokine ligand 23 (CCL23) is a chemokine implicated in the inflammatory response following brain damage. The aim of this study is to identify the change in serum CCL23 levels within 24 h after aSAH and whether serum CCL23 levels are associated with initial clinical severity, delayed cerebral ischemia (DCI), and functional outcome in patients with aneurysmal subarachnoid hemorrhage (aSAH). (2) Methods: 102 patients with aSAH and 61 controls were included in this prospective observational study. All clinical data were collected prospectively, and their serum CCL23 levels were measured. Initial clinical severity was reflected by the Hunt-Hess score and mFisher score. Functional outcome was evaluated in terms of the Glasgow Outcome Scale (GOS) score at 6-month follow-up. (3) Results: Patients with aSAH had higher serum CCL23 levels than controls. The temporal profile of serum CCL23 levels and neutrophils count exhibited a sustained increase within 24 h after aSAH. Serum CCL23 levels were related to blood neutrophils count, blood CRP levels, and initial clinical severity. Serum CCL23 level was an independent predictor of DCI and 6-month poor outcome in aSAH patients. (4) Conclusions: Serum CCL23 levels emerged as an independent predictor for DCI and poor outcome in patients with aSAH.
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14
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Zhao J, Wei K, Jiang P, Chang C, Xu L, Xu L, Shi Y, Guo S, He D. G-Protein-Coupled Receptors in Rheumatoid Arthritis: Recent Insights into Mechanisms and Functional Roles. Front Immunol 2022; 13:907733. [PMID: 35874704 PMCID: PMC9304905 DOI: 10.3389/fimmu.2022.907733] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/20/2022] [Indexed: 12/24/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease that leads to joint damage and even disability. Although there are various clinical therapies for RA, some patients still have poor or no response. Thus, the development of new drug targets remains a high priority. In this review, we discuss the role of G-protein-coupled receptors (GPCRs), including chemokine receptors, melanocortin receptors, lipid metabolism-related receptors, adenosine receptors, and other inflammation-related receptors, on mechanisms of RA, such as inflammation, lipid metabolism, angiogenesis, and bone destruction. Additionally, we summarize the latest clinical trials on GPCR targeting to provide a theoretical basis and guidance for the development of innovative GPCR-based clinical drugs for RA.
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Affiliation(s)
- Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Kai Wei
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Ping Jiang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Cen Chang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Lingxia Xu
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Linshuai Xu
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Yiming Shi
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
- *Correspondence: Shicheng Guo, ; Dongyi He,
| | - Dongyi He
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
- Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China
- *Correspondence: Shicheng Guo, ; Dongyi He,
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15
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Barnes PJ. Chemokine receptor CCR1: new target for asthma therapy. Trends Pharmacol Sci 2022; 43:539-541. [PMID: 35246315 DOI: 10.1016/j.tips.2022.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 10/19/2022]
Abstract
A recent study shows that chemokine receptor 1 (CCR1) plays a role in eosinophilic inflammation and that its ligand CCL15 is increased in asthmatic eosinophils (Du et al.). A companion study reports that N-truncated forms of CCL15 generated by tissue proteases induce biased CCR1 signaling (Shao et al.). These insights may provide the basis for the generation of more effective CCR antagonists as an oral therapy for asthma.
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Affiliation(s)
- Peter J Barnes
- National Heart and Lung Institute, Imperial College, London, UK.
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16
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Chemokine CCL9 Is Upregulated Early in Chronic Kidney Disease and Counteracts Kidney Inflammation and Fibrosis. Biomedicines 2022; 10:biomedicines10020420. [PMID: 35203629 PMCID: PMC8962359 DOI: 10.3390/biomedicines10020420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 02/06/2023] Open
Abstract
Inflammation and fibrosis play an important pathophysiological role in chronic kidney disease (CKD), with pro-inflammatory mediators and leukocytes promoting organ damage with subsequent fibrosis. Since chemokines are the main regulators of leukocyte chemotaxis and tissue inflammation, we performed systemic chemokine profiling in early CKD in mice. This revealed (C-C motif) ligands 6 and 9 (CCL6 and CCL9) as the most upregulated chemokines, with significantly higher levels of both chemokines in blood (CCL6: 3–4 fold; CCL9: 3–5 fold) as well as kidney as confirmed by Enzyme-linked Immunosorbent Assay (ELISA) in two additional CKD models. Chemokine treatment in a mouse model of early adenine-induced CKD almost completely abolished the CKD-induced infiltration of macrophages and myeloid cells in the kidney without impact on circulating leukocyte numbers. The other way around, especially CCL9-blockade aggravated monocyte and macrophage accumulation in kidney during CKD development, without impact on the ratio of M1-to-M2 macrophages. In parallel, CCL9-blockade raised serum creatinine and urea levels as readouts of kidney dysfunction. It also exacerbated CKD-induced expression of collagen (3.2-fold) and the pro-inflammatory chemokines CCL2 (1.8-fold) and CCL3 (2.1-fold) in kidney. Altogether, this study reveals for the first time that chemokines CCL6 and CCL9 are upregulated early in experimental CKD, with CCL9-blockade during CKD initiation enhancing kidney inflammation and fibrosis.
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17
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Identification and mechanism of G protein-biased ligands for chemokine receptor CCR1. Nat Chem Biol 2022; 18:264-271. [PMID: 34949837 PMCID: PMC8885419 DOI: 10.1038/s41589-021-00918-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 10/12/2021] [Indexed: 02/06/2023]
Abstract
Biased signaling of G protein-coupled receptors describes an ability of different ligands that preferentially activate an alternative downstream signaling pathway. In this work, we identified and characterized different N-terminal truncations of endogenous chemokine CCL15 as balanced or biased agonists targeting CCR1, and presented three cryogenic-electron microscopy structures of the CCR1-Gi complex in the ligand-free form or bound to different CCL15 truncations with a resolution of 2.6-2.9 Å, illustrating the structural basis of natural biased signaling that initiates an inflammation response. Complemented with pharmacological and computational studies, these structures revealed it was the conformational change of Tyr291 (Y2917.43) in CCR1 that triggered its polar network rearrangement in the orthosteric binding pocket and allosterically regulated the activation of β-arrestin signaling. Our structure of CCL15-bound CCR1 also exhibited a critical site for ligand binding distinct from many other chemokine-receptor complexes, providing new insights into the mode of chemokine recognition.
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18
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Sionov RV. Leveling Up the Controversial Role of Neutrophils in Cancer: When the Complexity Becomes Entangled. Cells 2021; 10:cells10092486. [PMID: 34572138 PMCID: PMC8465406 DOI: 10.3390/cells10092486] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/12/2021] [Accepted: 09/15/2021] [Indexed: 12/13/2022] Open
Abstract
Neutrophils are the most abundant immune cell in the circulation of human and act as gatekeepers to discard foreign elements that have entered the body. They are essential in initiating immune responses for eliminating invaders, such as microorganisms and alien particles, as well as to act as immune surveyors of cancer cells, especially during the initial stages of carcinogenesis and for eliminating single metastatic cells in the circulation and in the premetastatic organs. Since neutrophils can secrete a whole range of factors stored in their many granules as well as produce reactive oxygen and nitrogen species upon stimulation, neutrophils may directly or indirectly affect carcinogenesis in both the positive and negative directions. An intricate crosstalk between tumor cells, neutrophils, other immune cells and stromal cells in the microenvironment modulates neutrophil function resulting in both anti- and pro-tumor activities. Both the anti-tumor and pro-tumor activities require chemoattraction towards the tumor cells, neutrophil activation and ROS production. Divergence is seen in other neutrophil properties, including differential secretory repertoire and membrane receptor display. Many of the direct effects of neutrophils on tumor growth and metastases are dependent on tight neutrophil–tumor cell interactions. Among them, the neutrophil Mac-1 interaction with tumor ICAM-1 and the neutrophil L-selectin interaction with tumor-cell sialomucins were found to be involved in the neutrophil-mediated capturing of circulating tumor cells resulting in increased metastatic seeding. On the other hand, the anti-tumor function of neutrophils was found to rely on the interaction between tumor-surface-expressed receptor for advanced glycation end products (RAGE) and Cathepsin G expressed on the neutrophil surface. Intriguingly, these two molecules are also involved in the promotion of tumor growth and metastases. RAGE is upregulated during early inflammation-induced carcinogenesis and was found to be important for sustaining tumor growth and homing at metastatic sites. Cathepsin G was found to be essential for neutrophil-supported lung colonization of cancer cells. These data level up the complexity of the dual role of neutrophils in cancer.
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Affiliation(s)
- Ronit Vogt Sionov
- Hadassah Medical School, The Hebrew University of Jerusalem, Ein Kerem Campus, P.O.B. 12272, Jerusalem 9112102, Israel
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19
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Prasad S, Kulshreshtha A, Lall R, Gupta SC. Inflammation and ROS in arthritis: management by Ayurvedic medicinal plants. Food Funct 2021; 12:8227-8247. [PMID: 34302162 DOI: 10.1039/d1fo01078f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chronic joint inflammatory disorders like osteoarthritis and rheumatoid arthritis, which are manifested by joint dysfunction, show an upsurge in inflammation and oxidative stress. Although conventional anti-arthritic drugs are being used to relieve pain from arthritic symptoms, they usually cause severe side effects. Traditionally used Ayurvedic medicinal plants are a promising alternative for the management of arthritic symptoms, as they are safe and effective. Ayurvedic medicinal plants improve arthritic symptoms by reducing joint tenderness, joint pain, swelling, bone and cartilage damage, and increasing knee flexion, walking distance and sports activities. These beneficial effects of Ayurvedic medicinal plants on arthritis are mediated through various cellular mechanisms including inhibition of the inflammatory markers NF-κB, cytokines, adipokines, PGE2, NO, iNOS, COX-2, and MMPs and induction of antioxidant status by decreasing free radicals, lipid peroxidation, and myeloperoxidase, and increasing antioxidant enzymes, Nrf2, and HO-1. Thus, a strategy requires using these Ayurvedic medicinal plants to treat arthritis. This article describes the status of inflammation and oxidative stress in arthritic conditions. We also provide evidence that Ayurvedic medicinal plants and their bioactive components are highly effective in improving arthritic symptoms.
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Affiliation(s)
- Sahdeo Prasad
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Alok Kulshreshtha
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Rajiv Lall
- Noble Pharma, LLC, Research and Development, Menomonie, WI, 54751 USA.
| | - Subash C Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
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20
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Resolving the graft ischemia-reperfusion injury during liver transplantation at the single cell resolution. Cell Death Dis 2021; 12:589. [PMID: 34103479 PMCID: PMC8187624 DOI: 10.1038/s41419-021-03878-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 01/13/2023]
Abstract
Ischemia–reperfusion injury (IRI) remains the major reason for impaired donor graft function and increased mortality post-liver transplantation. The mechanism of IRI involves multiple pathophysiological processes and numerous types of cells. However, a systematic and comprehensive single-cell transcriptional profile of intrahepatic cells during liver transplantation is still unclear. We performed a single-cell transcriptome analysis of 14,313 cells from liver tissues collected from pre-procurement, at the end of preservation and 2 h post-reperfusion. We made detailed annotations of mononuclear phagocyte, endothelial cell, NK/T, B and plasma cell clusters, and we described the dynamic changes of the transcriptome of these clusters during IRI and the interaction between mononuclear phagocyte clusters and other cell clusters. In addition, we found that TNFAIP3 interacting protein 3 (TNIP3), specifically and highly expressed in Kupffer cell clusters post-reperfusion, may have a protective effect on IRI. In summary, our study provides the first dynamic transcriptome map of intrahepatic cell clusters during liver transplantation at single-cell resolution.
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21
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Morales-Primo AU, Becker I, Zamora-Chimal J. Neutrophil extracellular trap-associated molecules: a review on their immunophysiological and inflammatory roles. Int Rev Immunol 2021; 41:253-274. [PMID: 34036897 DOI: 10.1080/08830185.2021.1921174] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Neutrophil extracellular traps (NETs) are a defense mechanism against pathogens. They are composed of DNA and various proteins and have the ability to hinder microbial spreading and survival. However, NETs are not only related to infections but also participate in sterile inflammatory events. In addition to DNA, NETs contain histones, serine proteases, cytoskeletal proteins and antimicrobial peptides, all of which have immunomodulatory properties that can augment or decrease the inflammatory response. Extracellular localization of these molecules alerts the immune system of cellular damage, which is triggered by recognition of damage-associated molecular patterns (DAMPs) through specific pattern recognition receptors. However, not all of these molecules are DAMPs and may have other immunophysiological properties in the extracellular space. The release of NETs can lead to production of pro-inflammatory cytokines (due to TLR2/4/9 and inflammasome activation), the destruction of the extracellular matrix, activation of serine proteases and of matrix metallopeptidases (MMPs), modulation of cellular proliferation, induction of cellular migration and adhesion, promotion of thrombogenesis and angiogenesis and disruption of epithelial and endothelial permeability. Understanding the dynamics of NET-associated molecules, either individually or synergically, will help to unravel their role in inflammatory events and open novel perspectives for potential therapeutic targets. We here review molecules contained within NETS and their immunophysiological roles.
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Affiliation(s)
- Abraham U Morales-Primo
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
| | - Ingeborg Becker
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
| | - Jaime Zamora-Chimal
- Laboratory of Immunoparasitology, Unidad de Investigación en Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Hospital General de México, Mexico City, Mexico
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22
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Li F, Du X, Lan F, Li N, Zhang C, Zhu C, Wang X, He Y, Shao Z, Chen H, Luo M, Li W, Chen Z, Ying S, Shen H. Eosinophilic inflammation promotes CCL6-dependent metastatic tumor growth. SCIENCE ADVANCES 2021; 7:7/22/eabb5943. [PMID: 34039594 PMCID: PMC8153717 DOI: 10.1126/sciadv.abb5943] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/08/2021] [Indexed: 05/30/2023]
Abstract
Compelling evidence suggests that inflammatory components contribute to cancer development. However, eosinophils, involved in several inflammatory diseases, were not fully explored in cancer metastasis. We show that airway inflammatory eosinophilia and colonic inflammation with eosinophil infiltration are both associated with increased metastasis in mice. Eosinophilia is responsible for increased bone metastasis in eosinophil-enriched Cd3δ-Il-5 transgenic (Il-5 Tg) mice. We also observe increased eosinophils in the malignant pleural effusion of cancer patients with pleural metastasis. Mechanistically, eosinophils promote tumor cell migration and metastasis formation through secreting C-C motif chemokine ligand 6 (CCL6). Genetic knockout of Ccl6 in Il-5 Tg mice remarkably attenuates bone metastasis. Moreover, inhibition of C-C chemokine receptor 1 (CCR1, the receptor of CCL6) in tumor cells reduces tumor cell migration and metastasis. Thus, our study identifies a CCL6-dependent prometastatic activity of eosinophils, which can be inhibited by targeting CCR1 and represent an approach to preventing metastatic disease.
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Affiliation(s)
- Fei Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xufei Du
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Fen Lan
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Na Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Chao Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Chen Zhu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Xiaohui Wang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Yicheng He
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Zhehua Shao
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Haixia Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Man Luo
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Zhihua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China
| | - Songmin Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.
- International Institutes of Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu 322000, China
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Huahao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, China.
- State Key Lab of Respiratory Disease, Guangzhou 510120, China
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Du X, Li F, Zhang C, Li N, Huang H, Shao Z, Zhang M, Zhan X, He Y, Ju Z, Li W, Chen Z, Ying S, Shen H. Eosinophil-derived chemokine (hCCL15/23, mCCL6) interacts with CCR1 to promote eosinophilic airway inflammation. Signal Transduct Target Ther 2021; 6:91. [PMID: 33640900 PMCID: PMC7914252 DOI: 10.1038/s41392-021-00482-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/18/2020] [Accepted: 12/21/2020] [Indexed: 01/21/2023] Open
Abstract
Eosinophils are terminally differentiated cells derived from hematopoietic stem cells (HSCs) in the bone marrow. Several studies have confirmed the effective roles of eosinophils in asthmatic airway pathogenesis. However, their regulatory functions have not been well elucidated. Here, increased C-C chemokine ligand 6 (CCL6) in asthmatic mice and the human orthologs CCL15 and CCL23 that are highly expressed in asthma patients are described, which are mainly derived from eosinophils. Using Ccl6 knockout mice, further studies revealed CCL6-dependent allergic airway inflammation and committed eosinophilia in the bone marrow following ovalbumin (OVA) challenge and identified a CCL6-CCR1 regulatory axis in hematopoietic stem cells (HSCs). Eosinophil differentiation and airway inflammation were remarkably decreased by the specific CCR1 antagonist BX471. Thus, the study identifies that the CCL6-CCR1 axis is involved in the crosstalk between eosinophils and HSCs during the development of allergic airway inflammation, which also reveals a potential therapeutic strategy for targeting G protein-coupled receptors (GPCRs) for future clinical treatment of asthma.
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Affiliation(s)
- Xufei Du
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Fei Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Chao Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China.,Department of Anatomy, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Na Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Huaqiong Huang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Zhehua Shao
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Min Zhang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Xueqin Zhan
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Yicheng He
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Zhenyu Ju
- Key Laboratory of Regenerative Medicine of Ministry of Education, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Wen Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Zhihua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Songmin Ying
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China. .,International Institutes of Medicine, Zhejiang University School of Medicine, Yiwu, 322000, China. .,Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, 310058, China.
| | - Huahao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, 310009, China. .,State Key Lab of Respiratory Disease, Guangzhou, 510120, China.
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24
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Correlations between glycolysis with clinical traits and immune function in bladder urothelial carcinoma. Biosci Rep 2021; 41:227821. [PMID: 33558879 PMCID: PMC7897921 DOI: 10.1042/bsr20203982] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Glycolysis was a representative hallmark in the tumor microenvironment (TME), and we aimed to explore the correlations between glycolysis with immune activity and clinical traits in bladder urothelial carcinoma (BLCA). METHODS Our study obtained glycolysis scores for each BLCA samples from TCGA by a single-sample gene set enrichment analysis (ssGSEA) algorithm, based on a glycolytic gene set. The relationship between glycolysis with prognosis, clinical characteristics, and immune function were investigated subsequently. RESULTS We found that enhanced glycolysis was associated with poor prognosis and metastasis in BLCA. Moreover, glycolysis had a close correlation with immune function, and enhanced glycolysis increased immune activities. In other words, glycolysis had a positive correlation with immune activities. Immune checkpoints such as IDO1, CD274, were up-regulated in high-glycolysis group as well. CONCLUSION We speculated that in BLCA, elevated glycolysis enhanced immune function, which caused tumor cells to overexpress immune checkpoints to evade immune surveillance. Inhibition of glycolysis might be a promising assistant for immunotherapy in bladder cancer.
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CC Chemokines in a Tumor: A Review of Pro-Cancer and Anti-Cancer Properties of the Ligands of Receptors CCR1, CCR2, CCR3, and CCR4. Int J Mol Sci 2020; 21:ijms21218412. [PMID: 33182504 PMCID: PMC7665155 DOI: 10.3390/ijms21218412] [Citation(s) in RCA: 168] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 12/14/2022] Open
Abstract
CC chemokines, a subfamily of 27 chemotactic cytokines, are a component of intercellular communication, which is crucial for the functioning of the tumor microenvironment. Although many individual chemokines have been well researched, there has been no comprehensive review presenting the role of all known human CC chemokines in the hallmarks of cancer, and this paper aims at filling this gap. The first part of this review discusses the importance of CCL1, CCL3, CCL4, CCL5, CCL18, CCL19, CCL20, CCL21, CCL25, CCL27, and CCL28 in cancer. Here, we discuss the significance of CCL2 (MCP-1), CCL7, CCL8, CCL11, CCL13, CCL14, CCL15, CCL16, CCL17, CCL22, CCL23, CCL24, and CCL26. The presentation of each chemokine includes its physiological function and then the role in tumor, including proliferation, drug resistance, migration, invasion, and organ-specific metastasis of tumor cells, as well as the effects on angiogenesis and lymphangiogenesis. We also discuss the effects of each CC chemokine on the recruitment of cancer-associated cells to the tumor niche (eosinophils, myeloid-derived suppressor cells (MDSC), tumor-associated macrophages (TAM), tumor-associated neutrophils (TAN), regulatory T cells (Treg)). On the other hand, we also present the anti-cancer properties of CC chemokines, consisting in the recruitment of tumor-infiltrating lymphocytes (TIL).
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26
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Dhaiban S, Al-Ani M, Elemam NM, Maghazachi AA. Targeting Chemokines and Chemokine Receptors in Multiple Sclerosis and Experimental Autoimmune Encephalomyelitis. J Inflamm Res 2020; 13:619-633. [PMID: 33061527 PMCID: PMC7532903 DOI: 10.2147/jir.s270872] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 08/27/2020] [Indexed: 12/13/2022] Open
Abstract
Multiple sclerosis (MS) is an immune-mediated and neurodegenerative disorder that results in inflammation and demyelination of the central nervous system (CNS). MS symptoms include walking difficulties, visual weakening, as well as learning and memory impairment, thus affecting the quality of the patient's life. Chemokines and chemokine receptors are expressed on the immune cells as well as the CNS resident cells. Several sets of chemokine receptors and their ligands tend to be pathogenic players in MS, including CCL2, CCL3, CCL4, CCL5, CCL7, CCL8, CCL11, CCL17, CCL19, CCL21, CCL22, CXCL1, CXCL8, CXCL9, CXCL10, CXCL11, and CXCL16. Furthermore, current modulatory drugs that are used in the treatment of MS and its animal model, the experimental autoimmune encephalomyelitis (EAE), affect the expression of several chemokine and chemokine receptors. In this review, we highlight the pathogenic roles of chemokines and their receptors as well as utilizing them as potential therapeutic targets through selective agents, such as specific antibodies and receptor blockers, or indirectly through MS or EAE immunomodulatory drugs.
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Affiliation(s)
- Sarah Dhaiban
- College of Medicine and Immuno-Oncology Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Mena Al-Ani
- College of Medicine and Immuno-Oncology Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Noha Mousaad Elemam
- College of Medicine and Immuno-Oncology Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Azzam A Maghazachi
- College of Medicine and Immuno-Oncology Group, Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
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27
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Pejler G. Novel Insight into the in vivo Function of Mast Cell Chymase: Lessons from Knockouts and Inhibitors. J Innate Immun 2020; 12:357-372. [PMID: 32498069 DOI: 10.1159/000506985] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 03/03/2020] [Indexed: 12/14/2022] Open
Abstract
Mast cells are now recognized as key players in diverse pathologies, but the mechanisms by which they contribute in such settings are only partially understood. Mast cells are packed with secretory granules, and when they undergo degranulation in response to activation the contents of the granules are expelled to the extracellular milieu. Chymases, neutral serine proteases, are the major constituents of the mast cell granules and are hence released in large amounts upon mast cell activation. Following their release, chymases can cleave one or several of a myriad of potential substrates, and the cleavage of many of these could potentially have a profound impact on the respective pathology. Indeed, chymases have recently been implicated in several pathological contexts, in particular through studies using chymase inhibitors and by the use of chymase-deficient animals. In many cases, chymase has been shown to account for mast cell-dependent detrimental effects in the respective conditions and is therefore emerging as a promising drug target. On the other hand, chymase has been shown to have protective roles in other pathological settings. More unexpectedly, chymase has also been shown to control certain homeostatic processes. Here, these findings are reviewed.
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Affiliation(s)
- Gunnar Pejler
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden, .,Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden,
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28
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Elemam NM, Hannawi S, Maghazachi AA. Role of Chemokines and Chemokine Receptors in Rheumatoid Arthritis. Immunotargets Ther 2020; 9:43-56. [PMID: 32211348 PMCID: PMC7074856 DOI: 10.2147/itt.s243636] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 02/28/2020] [Indexed: 12/28/2022] Open
Abstract
Rheumatoid arthritis (RA) is one of the most prevalent autoimmune diseases and a prototypic inflammatory disease, affecting the small joints of the hands and feet. Chemokines and chemokine receptors play a critical role in RA pathogenesis via immune cells recruitment. Several chemokines and chemokine receptors are abundant in the peripheral blood and in the local inflamed joints of RA. Furthermore, synthetic and biologics disease modifying anti rheumatic drugs have been reported to affect chemokines expression. Thus, many studies have focused on targeting chemokines and chemokine receptors, where some have shown positive promising results. However, most of the chemokine blockers in human trials of RA treatment displayed some failures that can be attributed to several reasons in their structures and binding affinities. Nevertheless, targeting chemokines will continue to be under development, in order to improve their therapeutic potentials in RA and other autoimmune diseases. In this review we provide an up-to-date knowledge regarding the role of chemokines and chemokine receptors in RA with an emphasis on their activities on immune cells. We also discussed the effects of drugs targeting those molecules in RA. This knowledge might provide impetus for developing new therapeutic modalities to treat this chronic disease.
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Affiliation(s)
- Noha Mousaad Elemam
- College of Medicine and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Suad Hannawi
- Ministry of Health and Prevention, Department of Rheumatology, Dubai, United Arab Emirates
| | - Azzam A Maghazachi
- College of Medicine and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
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29
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Peng C, Wu Y, Ding X, Chen D, Zeng C, Xu L, Guo W. Characteristic Cytokine Profiles of Aqueous Humor in Glaucoma Secondary to Sturge-Weber Syndrome. Front Immunol 2020; 11:4. [PMID: 32117217 PMCID: PMC7008723 DOI: 10.3389/fimmu.2020.00004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 01/03/2020] [Indexed: 12/14/2022] Open
Abstract
Patients with Sturge-Weber syndrome (SWS) are susceptible to ocular complications, and among them, glaucoma is one of the most frequent forms. In current study, we utilized multiplex human cytokine antibody array to simultaneously measure the concentration of 40 cytokines in aqueous humor (AH) of patients with SWS-induced glaucoma (SG), or from patients with senile cataract as controls. Compared with the control group, levels of interleukin (IL)-12p40, macrophage inflammatory protein (MIP)-1d, tumor necrosis factor-alpha (TNF-a), IL-5, IL-7, interleukin-6 receptor (IL-6R), and B lymphocyte chemoattractant (BLC) in AH were significantly higher in SG group. Samples from SG patients displayed significantly lower levels of MIP-1b, IL-6, MIP-1a, and monocyte chemoattractant protein (MCP)-1 than controls. Further analysis showed that IL-7, MIP-1a, TNF-a were positively correlated with intraocular pressure (IOP) in patients with early-onset SG. Moreover, IL-12p40 was negatively correlated with age in patients with SG. These cytokines may make contributions to the immunopathogenesis or progression of glaucoma in patients with SWS.
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Affiliation(s)
- Cheng Peng
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yue Wu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Xuming Ding
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Di Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Changjuan Zeng
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Xu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenyi Guo
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
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30
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Zhang L, Hu XZ, Li X, Chen Z, Benedek DM, Fullerton CS, Wynn G, Ursano RJ. Potential chemokine biomarkers associated with PTSD onset, risk and resilience as well as stress responses in US military service members. Transl Psychiatry 2020; 10:31. [PMID: 32066664 PMCID: PMC7026448 DOI: 10.1038/s41398-020-0693-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/21/2019] [Accepted: 11/28/2019] [Indexed: 11/15/2022] Open
Abstract
Cytokines, including chemokines, are small secreted proteins, which specifically effect on the interactions and communications between cells. Pro-inflammatory cytokines are produced predominantly by activated macrophages and are involved in the upregulation of inflammatory reactions. Dysregulation of cytokines is associated with post-traumatic stress disorder (PTSD). Here, we use both before-and-after and case-control studies to search for potential chemokine biomarkers associated with PTSD onset, risk, and resilience as well as stress responses in US military service members deployed to Iraq and Afghanistan. Blood samples and scores of the PTSD Checklist (PCL) were obtained from soldiers pre- and post deployment (pre, post). Forty chemokines were measured using the Bio-Plex Pro Human Chemokine Panel Assays. The before-and-after analysis showed potential markers (CCL2, CCL15, CCL22, CCL25, CXCL2, and CXCL12) are associated with PTSD onset, and CCL3, CXCL11, and CXCL16 are related to stress response. The case-control study demonstrated that CCL13, CCL20, and CXCL6 were possible PTSD risk markers, and CX3CL1 might be a resilience marker. In addition, CCL11, CCL13, CCL20, and CCL25 were correlated with the PCL scores, indicating their association with PTSD symptom severity. Our data, for the first time, suggest that these dysregulated chemokines may serve as biomarkers for PTSD onset, risk, and resilience as well as stress responses, and may benefit developing approaches not only for PTSD diagnosis but also for PTSD treatment.
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Affiliation(s)
- Lei Zhang
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, 20814, USA.
| | - Xian-Zhang Hu
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | - Xiaoxia Li
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | - Ze Chen
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | - David M. Benedek
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | - Carol S. Fullerton
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | - Gary Wynn
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
| | | | - Robert J. Ursano
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814 USA
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Abstract
Chemokines are a family of small proteins, subdivided by their conserved cysteine residues and common structural features. Chemokines interact with their cognate G-protein-coupled receptors to elicit downstream signals that result in cell migration, proliferation, and survival. This review presents evidence for how the various CXC and CC subfamily chemokines influence bone hemostasis by acting on osteoclasts, osteoblasts, and progenitor cells. Also discussed are the ways in which chemokines contribute to bone loss as a result of inflammatory diseases such as rheumatoid arthritis, HIV infection, and periodontal infection. Both positive and negative effects of chemokines on bone formation and bone loss are presented. In addition, the role of chemokines in altering the bone microenvironment through effects on angiogenesis and tumor invasion is discussed. Very few therapeutic agents that influence bone formation by targeting chemokines or chemokine receptors are available, although a few are currently being evaluated.
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Affiliation(s)
- Annette Gilchrist
- Department of Pharmaceutical Sciences, Midwestern University, Downers Grove, IL, USA.
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32
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Pejler G. The emerging role of mast cell proteases in asthma. Eur Respir J 2019; 54:13993003.00685-2019. [PMID: 31371445 DOI: 10.1183/13993003.00685-2019] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 07/23/2019] [Indexed: 12/31/2022]
Abstract
It is now well established that mast cells (MCs) play a crucial role in asthma. This is supported by multiple lines of evidence, including both clinical studies and studies on MC-deficient mice. However, there is still only limited knowledge of the exact effector mechanism(s) by which MCs influence asthma pathology. MCs contain large amounts of secretory granules, which are filled with a variety of bioactive compounds including histamine, cytokines, lysosomal hydrolases, serglycin proteoglycans and a number of MC-restricted proteases. When MCs are activated, e.g. in response to IgE receptor cross-linking, the contents of their granules are released to the exterior and can cause a massive inflammatory reaction. The MC-restricted proteases include tryptases, chymases and carboxypeptidase A3, and these are expressed and stored at remarkably high levels. There is now emerging evidence supporting a prominent role of these enzymes in the pathology of asthma. Interestingly, however, the role of the MC-restricted proteases is multifaceted, encompassing both protective and detrimental activities. Here, the current knowledge of how the MC-restricted proteases impact on asthma is reviewed.
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Affiliation(s)
- Gunnar Pejler
- Dept of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden .,Dept of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
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33
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Babu H, Ambikan AT, Gabriel EE, Svensson Akusjärvi S, Palaniappan AN, Sundaraj V, Mupanni NR, Sperk M, Cheedarla N, Sridhar R, Tripathy SP, Nowak P, Hanna LE, Neogi U. Systemic Inflammation and the Increased Risk of Inflamm-Aging and Age-Associated Diseases in People Living With HIV on Long Term Suppressive Antiretroviral Therapy. Front Immunol 2019; 10:1965. [PMID: 31507593 PMCID: PMC6718454 DOI: 10.3389/fimmu.2019.01965] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 08/05/2019] [Indexed: 12/19/2022] Open
Abstract
The ART program in low- and middle-income countries (LMIC) like India, follows a public health approach with a standardized regimen for all people living with HIV (PLHIV). Based on the evidence from high-income countries (HIC), the risk of an enhanced, and accentuated onset of premature-aging or age-related diseases has been observed in PLHIV. However, very limited data is available on residual inflammation and immune activation in the populations who are on first-generation anti-HIV drugs like zidovudine and lamivudine that have more toxic side effects. Therefore, the aim of the present study was to evaluate the levels of systemic inflammation and understand the risk of age-associated diseases in PLHIV on long-term suppressive ART using a large number of biomarkers of inflammation and immune activation. Blood samples were obtained from therapy naïve PLHIV (Pre-ART, n = 43), PLHIV on ART for >5 years (ART, n = 53), and HIV-negative healthy controls (HIVNC, n = 41). Samples were analyzed for 92 markers of inflammation, sCD14, sCD163, and telomere length. Several statistical tests were performed to compare the groups under study. Multivariate linear regression was used to investigate the associations. Despite a median duration of 8 years of successful ART, sCD14 (p < 0.001) and sCD163 (p = 0.04) levels continued to be significantly elevated in ART group as compared to HIVNC. Eleven inflammatory markers, including 4E-BP1, ADA, CCL23, CD5, CD8A, CST5, MMP1, NT3, SLAMF1, TRAIL, and TRANCE, were found to be significantly different (p < 0.05) between the groups. Many of these markers are associated with age-related co-morbidities including cardiovascular disease, neurocognitive decline and some of these markers are being reported for the first time in the context of HIV-induced inflammation. Linear regression analysis showed a significant negative association between HIV-1-positivity and telomere length (p < 0.0001). In ART-group CXCL1 (p = 0.048) and TGF-α (p = 0.026) showed a significant association with the increased telomere length and IL-10RA was significantly associated with decreased telomere length (p = 0.042). This observation warrants further mechanistic studies to generate evidence to highlight the need for enhanced treatment monitoring and special interventions in HIV-infected individuals.
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Affiliation(s)
- Hemalatha Babu
- Department of HIV/AIDS, National Institute for Research in Tuberculosis (ICMR), Chennai, India
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Anoop T. Ambikan
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Erin E. Gabriel
- Department of Medical Epidemiology and Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Sara Svensson Akusjärvi
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | | | - Naveen Reddy Mupanni
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Maike Sperk
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Narayanaiah Cheedarla
- Department of HIV/AIDS, National Institute for Research in Tuberculosis (ICMR), Chennai, India
| | | | - Srikanth P. Tripathy
- Department of HIV/AIDS, National Institute for Research in Tuberculosis (ICMR), Chennai, India
| | - Piotr Nowak
- Unit of Infectious Diseases, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Luke Elizabeth Hanna
- Department of HIV/AIDS, National Institute for Research in Tuberculosis (ICMR), Chennai, India
| | - Ujjwal Neogi
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
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Watanabe M, Horimasu Y, Iwamoto H, Yamaguchi K, Sakamoto S, Masuda T, Nakashima T, Miyamoto S, Ohshimo S, Fujitaka K, Hamada H, Kohno N, Hattori N. C-C Motif Chemokine Ligand 15 May Be a Useful Biomarker for Predicting the Prognosis of Patients with Chronic Hypersensitivity Pneumonitis. Respiration 2019; 98:212-220. [PMID: 31416084 DOI: 10.1159/000500576] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/25/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Chronic hypersensitivity pneumonitis (CHP) is characterized by lymphocytic inflammation and progressive fibrosis of the lung caused by a variety of inhaled antigens. Due to the difficulty of accurately diagnosing CHP, and the poor prognosis associated with the condition, a novel clinical biomarker is urgently needed. OBJECTIVE To investigate the usefulness of C-C motif chemokine ligand 15 (CCL15), which had been demonstrated to highly express in the lungs of CHP patients, as a clinical biomarker for CHP. METHOD Immunohistochemical investigations were performed on lung tissue from CHP patients, and CCL15 levels in serum and bronchoalveolar lavage fluid (BALF) were measured via the enzyme-linked immunosorbent assay. RESULTS Immunohistochemistry investigations revealed high CCL15 expression in the lungs of CHP patients. Serum CCL15 levels in CHP patients (29.1 ± 2.1 μg/mL) were significantly higher than those of idiopathic pulmonary fibrosis patients (19.7 ± 1.3 μg/mL, p = 0.01) and healthy subjects (19.5 ± 1.7 μg/mL, p = 0.003). When BALF CCL15 level was divided by BALF albumin (Alb) level (BALF CCL15/Alb), it was significantly inversely correlated with forced vital capacity (β = -0.47, p = 0.0006), percentage of predicted carbon monoxide diffusion capacity of the lung (β = -0.41, p = 0.0048), and BALF lymphocyte count (β = -0.34, p = 0.01) in CHP patients. Multivariate Cox proportional hazards analysis revealed that high BALF CCL15/Alb and poor prognosis were statistically significantly independently correlated in CHP patients (HR 1.1, 95% CI 1.03-1.18, p = 0.004). CONCLUSION The results of the current study suggest that CCL15 may be a useful prognostic biomarker for CHP. CCL15 was highly expressed in the lung tissue of CHP patients, and BALF CCL15/Alb was significantly associated with CHP prognosis.
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Affiliation(s)
- Masako Watanabe
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Yasushi Horimasu
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan,
| | - Hiroshi Iwamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Kakuhiro Yamaguchi
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shinjiro Sakamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Takeshi Masuda
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Taku Nakashima
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shintaro Miyamoto
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Shinichiro Ohshimo
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Kazunori Fujitaka
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Hironobu Hamada
- Department of Physical Analysis and Therapeutic Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
| | - Nobuoki Kohno
- Hiroshima Cosmopolitan University, Minami-ku, Hiroshima, Japan
| | - Noboru Hattori
- Department of Molecular and Internal Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Minami-ku, Hiroshima, Japan
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Young D, Das N, Anowai A, Dufour A. Matrix Metalloproteases as Influencers of the Cells' Social Media. Int J Mol Sci 2019; 20:E3847. [PMID: 31394726 PMCID: PMC6720954 DOI: 10.3390/ijms20163847] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/01/2019] [Accepted: 08/02/2019] [Indexed: 12/16/2022] Open
Abstract
Matrix metalloproteinases (MMPs) have been studied in the context of cancer due to their ability to increase cell invasion, and were initially thought to facilitate metastasis solely through the degradation of the extracellular matrix (ECM). MMPs have also been investigated in the context of their ECM remodeling activity in several acute and chronic inflammatory diseases. However, after several MMP inhibitors failed in phase III clinical trials, a global reassessment of their biological functions was undertaken, which has revealed multiple unanticipated functions including the processing of chemokines, cytokines, and cell surface receptors. Despite what their name suggests, the matrix aspect of MMPs could contribute to a lesser part of their physiological functions in inflammatory diseases, as originally anticipated. Here, we present examples of MMP substrates implicated in cell signaling, independent of their ECM functions, and discuss the impact for the use of MMP inhibitors.
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Affiliation(s)
- Daniel Young
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB T2N 4N1, Canada
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Nabangshu Das
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB T2N 4N1, Canada
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Anthonia Anowai
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB T2N 4N1, Canada
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Antoine Dufour
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB T2N 4N1, Canada.
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB T2N 4N1, Canada.
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 4N1, Canada.
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, AB T2N 4N1, Canada.
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36
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Silva PLD, Lauretti-Ferreira F, Caldas de Lima M, Lima SS, Covarrubias AE, De Franco M, Carvalho E, Ho PL, da Costa RMA, Martins EAL, Da Silva JB. Phagocytosis of Leptospira by leukocytes from mice with different susceptibility to leptospirosis and possible role of chemokines. BMC Microbiol 2019; 19:4. [PMID: 30616505 PMCID: PMC6323685 DOI: 10.1186/s12866-018-1371-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 12/10/2018] [Indexed: 01/01/2023] Open
Abstract
Background Leptospirosis is a widespread zoonosis caused by pathogenic prokaryotic microbes of the genus Leptospira. Although there are several reports in the literature, host-pathogen interaction is still poorly understood. The role of chemokine expression is important on the chemotaxis, activation and regulation of immune cells. Recent studies have shown that their expression profiles play an important role on the severity of leptospirosis outcome. We evaluated the phagocytosis of Leptospira by spleens cells from C3H/HeJ, C3H/HePas and BALB/c mouse strains, respectively susceptible, intermediate and resistant to leptospirosis, and by RAW 264.7 macrophages. Besides, we evaluated the effects of CCL2 treatment on the phagocytosis. The cells were incubated with or without CCL2 chemokine, and infected with virulent L. interrogans sv Copenhageni. Cells and culture supernatants were collected for subsequent analysis. Results The number of leptospires was higher in BALB/c cells, CCL2 pre-treated or only infected groups, when compared to C3H/HeJ and C3H/HePas cells. Indeed, CCL2 activation did not interfere in the phagocytosis of Leptospira. Expression of chemokines CXCL5 and CCL8 levels were significantly inhibited in infected BALB/c cells when compared to the non-infected control. Conclusions Higher ability to phagocytosis and early modulation of some chemokines correlated with the resistance to leptospirosis disease. Exposure to CCL2 did not interfere on phagocytosis of Leptospira in our experimental conditions, but acted in the modulation of chemokines expression during Leptospira infection. Electronic supplementary material The online version of this article (10.1186/s12866-018-1371-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | - Ambart E Covarrubias
- School of Medical Technology, Faculty of Health Sciences, University San Sebastian, Concepción, Chile
| | | | - Eneas Carvalho
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil
| | - Paulo Lee Ho
- Seção de Vacinas Aeróbicas, Instituto Butantan, São Paulo, Brazil
| | - Renata M A da Costa
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil.,Present address: Global Antibiotics Research and Development Partnership (GARDP), Drugs for Neglected Diseases initiative (DNDi), Chemin Louis-Dunant 15, 1202, Geneva, Switzerland
| | | | - Josefa B Da Silva
- Laboratório de Bacteriologia, Instituto Butantan, São Paulo, Brazil.
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37
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Lassner D, Siegismund CS, Kühl U, Rohde M, Stroux A, Escher F, Schultheiss HP. CCR5del32 genotype in human enteroviral cardiomyopathy leads to spontaneous virus clearance and improved outcome compared to wildtype CCR5. J Transl Med 2018; 16:249. [PMID: 30180856 PMCID: PMC6123922 DOI: 10.1186/s12967-018-1610-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 08/14/2018] [Indexed: 12/31/2022] Open
Abstract
Background Enteroviral cardiomyopathy is a life-threatening disease, and detection of enterovirus (EV) RNA in the initial endomyocardial biopsy is associated with adverse prognosis and increased mortality. Some patients with EV infection may spontaneously eliminate the virus and recover, whereas those with virus persistence deteriorate and progress to heart failure. Interferon-beta (IFN-β) therapy eliminates the virus, resulting in increased survival of treated patients. CCR5 is expressed on antigen-presenting cells (both macrophages and dendritic cells) and immune effector cells (T-lymphocytes with memory/effector phenotype and natural killer cells). Its 32-bp deletion (CCR5del32) is the most frequent human coding sequence mutation. This study addresses the correlation of CCR5 polymorphism to the clinical course of EV infection and the necessity for IFN-β treatment. Methods We examined 97 consecutive patients with chronic/inflammatory cardiomyopathy and biopsy-proven EV infection and reliable information on clinical outcomes by CCr5 genotyping. These data were evaluated in relation to virus persistence in follow-up biopsies and survival rates over a 15-year period. Results Genotyping revealed a strong correlation between the CCR5del32 genotype and spontaneous virus clearance with improved outcomes. All patients with CCR5del32 eliminated EV spontaneously and none of them died within the observed period. In the group of untreated CCR5 wildtype patients, 33% died (Kaplan–Meier log-rank p = 0.010). However, CCR5 wildtype individuals treated with IFN-β are more likely to survive than without therapy (Kaplan–Meier log-rank p = 0.004) in identical proportions to individuals with the CCR5del32 genotype. Conclusions These data suggest that CCR5 genotyping is a novel predictive genetic marker for the clinical course of human EV cardiomyopathies. Hereby clinicians can identify those EV positive individuals who will eliminate the virus spontaneously based on CCR5 phenotype and those patients with CCR5 wildtype genotype who would be eligible for immediate antiviral IFN-β treatment to minimize irreversible cardiac damage. Electronic supplementary material The online version of this article (10.1186/s12967-018-1610-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Dirk Lassner
- Institute of Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany.
| | | | - Uwe Kühl
- Institute of Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany.,Department of Cardiology, Campus Virchow, Charité-University Hospital Berlin, Berlin, Germany
| | - Maria Rohde
- Institute of Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany
| | - Andrea Stroux
- Institute of Biometry and Clinical Epidemiology, Campus Benjamin Franklin, Charité-University Hospital and Berlin Institute of Health, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | - Felicitas Escher
- Institute of Cardiac Diagnostics and Therapy (IKDT), Berlin, Germany.,Department of Cardiology, Campus Virchow, Charité-University Hospital Berlin, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany
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38
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How post-translational modifications influence the biological activity of chemokines. Cytokine 2018; 109:29-51. [DOI: 10.1016/j.cyto.2018.02.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 02/27/2018] [Accepted: 02/28/2018] [Indexed: 12/17/2022]
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39
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Dufour A, Bellac CL, Eckhard U, Solis N, Klein T, Kappelhoff R, Fortelny N, Jobin P, Rozmus J, Mark J, Pavlidis P, Dive V, Barbour SJ, Overall CM. C-terminal truncation of IFN-γ inhibits proinflammatory macrophage responses and is deficient in autoimmune disease. Nat Commun 2018; 9:2416. [PMID: 29925830 PMCID: PMC6010466 DOI: 10.1038/s41467-018-04717-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Accepted: 05/18/2018] [Indexed: 01/02/2023] Open
Abstract
Controlled macrophage differentiation and activation in the initiation and resolution of inflammation is crucial for averting progression to chronic inflammatory and autoimmune diseases. Here we show a negative feedback mechanism for proinflammatory IFN-γ activation of macrophages driven by macrophage-associated matrix metalloproteinase 12 (MMP12). Through C-terminal truncation of IFN-γ at 135Glu↓Leu136 the IFN-γ receptor-binding site was efficiently removed thereby reducing JAK-STAT1 signaling and IFN-γ activation of proinflammatory macrophages. In acute peritonitis this signature was absent in Mmp12–/– mice and recapitulated in Mmp12+/+ mice treated with a MMP12-specific inhibitor. Similarly, loss-of-MMP12 increases IFN-γ–dependent proinflammatory markers and iNOS+/MHC class II+ macrophage accumulation with worse lymphadenopathy, arthritic synovitis and lupus glomerulonephritis. In active human systemic lupus erythematosus, MMP12 levels were lower and IFN-γ higher compared to treated patients or healthy individuals. Hence, macrophage proteolytic truncation of IFN-γ attenuates classical activation of macrophages as a prelude for resolving inflammation. IFN-γ is central in inflammatory pathogenesis, response to infection and autoimmune diseases. Here the authors show that MMP12 expression is reduced in patients with SLE and that MMP12 post-translationally truncates IFN-y, inhibiting its function and affecting pathogenesis of mouse models of peritonitis, SLE and rheumatoid arthritis.
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Affiliation(s)
- Antoine Dufour
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Physiology and Pharmacology McCaig Institute for Bone and Joint Health, Cumming School of Medicine, HRIC 3C64 3330 Hospital, Dr NW Calgary, T2N 4N1, AB, Canada
| | - Caroline L Bellac
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Swissmedic, Swiss Agency for Therapeutics Products, Hallerstrasse 7, P.O. Box, Bern 9, CH-3000, Switzerland
| | - Ulrich Eckhard
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Nestor Solis
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Theo Klein
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Reinhild Kappelhoff
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Nikolaus Fortelny
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Parker Jobin
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Jacob Rozmus
- Department of Pediatrics, Child and Family Research Institute and BC Children's Hospital, University of British Columbia, 3110A-950 West 28th Av, Vancouver, V5Z 4H4, BC, Canada
| | - Jennifer Mark
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Paul Pavlidis
- Centre for High Throughput Biology, University of British Columbia, 2125 East Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Psychiatry, University of British Columbia, 2125 East Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Vincent Dive
- Commissariat a l'Energie Atomique (CEA) CE-Saclay, Labex LERMIT, Service d'Ingenierie Moleculaire des Proteines, Bat 152, Gif/Yvette, 91191, France
| | - Sean J Barbour
- Department of Medicine, University of British Columbia, 2775 Laurel St, Vancouver, V6T 1Z3, BC, Canada
| | - Christopher M Overall
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada. .,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada. .,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.
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40
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Binti Mohd Amir NAS, Mackenzie AE, Jenkins L, Boustani K, Hillier MC, Tsuchiya T, Milligan G, Pease JE. Evidence for the Existence of a CXCL17 Receptor Distinct from GPR35. THE JOURNAL OF IMMUNOLOGY 2018; 201:714-724. [PMID: 29875152 PMCID: PMC6036231 DOI: 10.4049/jimmunol.1700884] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 04/29/2018] [Indexed: 11/19/2022]
Abstract
The chemokine CXCL17 is associated with the innate response in mucosal tissues but is poorly characterized. Similarly, the G protein–coupled receptor GPR35, expressed by monocytes and mast cells, has been implicated in the immune response, although its precise role is ill-defined. A recent manuscript reported that GPR35 was able to signal in response to CXCL17, which we set out to confirm in this study. GPR35 was readily expressed using transfection systems but failed to signal in response to CXCL17 in assays of β-arrestin recruitment, inositol phosphate production, calcium flux, and receptor endocytosis. Similarly, in chemotaxis assays, GPR35 did not confirm sensitivity to a range of CXCL17 concentrations above that observed in the parental cell line. We subsequently employed a real time chemotaxis assay (TAXIScan) to investigate the migratory responses of human monocytes and the monocytic cell line THP-1 to a gradient of CXCL17. Freshly isolated human monocytes displayed no obvious migration to CXCL17. Resting THP-1 cells showed a trend toward directional migration along a CXCL17 gradient, which was significantly enhanced by overnight incubation with PGE2. However, pretreatment of PGE2-treated THP-1 cells with the well-characterized GPR35 antagonist ML145 did not significantly impair their migratory responses to CXCL17 gradient. CXCL17 was susceptible to cleavage with chymase, although this had little effect its ability to recruit THP-1 cells. We therefore conclude that GPR35 is unlikely to be a bona fide receptor for CXCL17 and that THP-1 cells express an as yet unidentified receptor for CXCL17.
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Affiliation(s)
- Nurul A S Binti Mohd Amir
- Inflammation, Repair and Development Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London SW7 2AZ, United Kingdom.,Medical Research Council and Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom
| | - Amanda E Mackenzie
- Centre for Translational Pharmacology, Institute of Molecular, Cell, and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom; and
| | - Laura Jenkins
- Centre for Translational Pharmacology, Institute of Molecular, Cell, and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom; and
| | - Karim Boustani
- Inflammation, Repair and Development Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London SW7 2AZ, United Kingdom
| | - Marston C Hillier
- Inflammation, Repair and Development Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London SW7 2AZ, United Kingdom
| | - Tomoko Tsuchiya
- Research Institute, National Center for Global Health and Medicine, Shinjuku-ku, Tokyo 162-8655, Japan
| | - Graeme Milligan
- Centre for Translational Pharmacology, Institute of Molecular, Cell, and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom; and
| | - James E Pease
- Inflammation, Repair and Development Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London SW7 2AZ, United Kingdom; .,Medical Research Council and Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom
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41
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Simats A, García-Berrocoso T, Penalba A, Giralt D, Llovera G, Jiang Y, Ramiro L, Bustamante A, Martinez-Saez E, Canals F, Wang X, Liesz A, Rosell A, Montaner J. CCL23: a new CC chemokine involved in human brain damage. J Intern Med 2018; 283:461-475. [PMID: 29415332 DOI: 10.1111/joim.12738] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND CCL23 role in the inflammatory response after acute brain injuries remains elusive. Here, we evaluated whether CCL23 blood levels associate with acquired cerebral lesions and determined CCL23 predictive capacity for assessing stroke prognosis. We used preclinical models to study the CCL23 homologous chemokines in rodents, CCL9 and CCL6. METHODS Baseline CCL23 blood levels were determined on 245 individuals, including ischaemic strokes (IS), stroke mimics and controls. Temporal profile of circulating CCL23 was explored from baseline to 24 h in 20 of the IS. In an independent cohort of 120 IS with a 3-month follow-up, CCL23 blood levels were included in logistic regression models to predict IS outcome. CCL9/CCL6 cerebral expression was evaluated in rodent models of brain damage. Both chemokines were also profiled in circulation and histologically located on brain following ischaemia. RESULTS Baseline CCL23 blood levels did not discriminate IS, but permitted an accurate discrimination of patients presenting acute brain lesions (P = 0.003). IS exhibited a continuous increase from baseline to 24 h in circulating CCL23 (P < 0.001). Baseline CCL23 blood levels resulted an independent predictor of IS outcome at hospital discharge (ORadj : 19.702 [1.815-213.918], P = 0.014) and mortality after 3 months (ORadj : 21.47 [3.434-134.221], P = 0.001). In preclinics, expression of rodent chemokines in neurons following cerebral lesions was elevated. CCL9 circulating levels decreased early after ischaemia (P < 0.001), whereas CCL6 did not alter within the first 24 h after ischaemia. CONCLUSIONS Although preclinical models do not seem suitable to characterize CCL23, it might be a novel promising biomarker for the early diagnosis of cerebral lesions and might facilitate the prediction of stroke patient outcome.
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Affiliation(s)
- A Simats
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - T García-Berrocoso
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - A Penalba
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - D Giralt
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - G Llovera
- Institute for Stroke and Dementia Research, Klinikum de Universität München, Munich, Germany
| | - Y Jiang
- Neuroprotection Research Laboratory, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - L Ramiro
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - A Bustamante
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - E Martinez-Saez
- Neuropathology Unit, Department of Pathology, Vall d'Hebron Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - F Canals
- Proteomics Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - X Wang
- Proteomics Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - A Liesz
- Institute for Stroke and Dementia Research, Klinikum de Universität München, Munich, Germany
| | - A Rosell
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - J Montaner
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
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42
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Hughes CE, Nibbs RJB. A guide to chemokines and their receptors. FEBS J 2018; 285:2944-2971. [PMID: 29637711 PMCID: PMC6120486 DOI: 10.1111/febs.14466] [Citation(s) in RCA: 716] [Impact Index Per Article: 119.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/25/2018] [Accepted: 04/03/2018] [Indexed: 12/12/2022]
Abstract
The chemokines (or chemotactic cytokines) are a large family of small, secreted proteins that signal through cell surface G protein-coupled heptahelical chemokine receptors. They are best known for their ability to stimulate the migration of cells, most notably white blood cells (leukocytes). Consequently, chemokines play a central role in the development and homeostasis of the immune system, and are involved in all protective or destructive immune and inflammatory responses. Classically viewed as inducers of directed chemotactic migration, it is now clear that chemokines can stimulate a variety of other types of directed and undirected migratory behavior, such as haptotaxis, chemokinesis, and haptokinesis, in addition to inducing cell arrest or adhesion. However, chemokine receptors on leukocytes can do more than just direct migration, and these molecules can also be expressed on, and regulate the biology of, many nonleukocytic cell types. Chemokines are profoundly affected by post-translational modification, by interaction with the extracellular matrix (ECM), and by binding to heptahelical 'atypical' chemokine receptors that regulate chemokine localization and abundance. This guide gives a broad overview of the chemokine and chemokine receptor families; summarizes the complex physical interactions that occur in the chemokine network; and, using specific examples, discusses general principles of chemokine function, focusing particularly on their ability to direct leukocyte migration.
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Affiliation(s)
- Catherine E Hughes
- Institute of Infection, Inflammation & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK
| | - Robert J B Nibbs
- Institute of Infection, Inflammation & Immunity, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK
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Eaton JRO, Alenazi Y, Singh K, Davies G, Geis-Asteggiante L, Kessler B, Robinson CV, Kawamura A, Bhattacharya S. The N-terminal domain of a tick evasin is critical for chemokine binding and neutralization and confers specific binding activity to other evasins. J Biol Chem 2018; 293:6134-6146. [PMID: 29487134 PMCID: PMC5912465 DOI: 10.1074/jbc.ra117.000487] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/22/2018] [Indexed: 11/06/2022] Open
Abstract
Tick chemokine-binding proteins (evasins) are an emerging class of biologicals that target multiple chemokines and show anti-inflammatory activities in preclinical disease models. Using yeast surface display, we identified a CCL8-binding evasin, P672, from the tick Rhipicephalus pulchellus We found that P672 binds CCL8 and eight other CC-class chemokines with a Kd < 10 nm and four other CC chemokines with a Kd between 10 and 100 nm and neutralizes CCL3, CCL3L1, and CCL8 with an IC50 < 10 nm The CC chemokine-binding profile was distinct from that of evasin 1 (EVA1), which does not bind CCL8. We also show that P672's binding activity can be markedly modulated by the location of a StrepII-His purification tag. Combining native MS and bottom-up proteomics, we further demonstrated that P672 is glycosylated and forms a 1:1 complex with CCL8, disrupting CCL8 homodimerization. Homology modeling of P672 using the crystal structure of the EVA1 and CCL3 complex as template suggested that 44 N-terminal residues of P672 form most of the contacts with CCL8. Replacing the 29 N-terminal residues of EVA1 with the 44 N-terminal residues of P672 enabled this hybrid evasin to bind and neutralize CCL8, indicating that the CCL8-binding properties of P672 reside, in part, in its N-terminal residues. This study shows that the function of certain tick evasins can be manipulated simply by adding a tag. We conclude that homology modeling helps identify regions with transportable chemokine-binding functions within evasins, which can be used to construct hybrid evasins with altered properties.
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Affiliation(s)
- James R O Eaton
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine
- the Department of Chemistry, and
| | - Yara Alenazi
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine
| | - Kamayani Singh
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine
| | - Graham Davies
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine
| | | | - Benedikt Kessler
- the Nuffield Department of Medicine, University of Oxford, Oxford OX3 7BN, United Kingdom
| | | | - Akane Kawamura
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine
- the Department of Chemistry, and
| | - Shoumo Bhattacharya
- From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine,
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Du J, Flynn R, Paz K, Ren HG, Ogata Y, Zhang Q, Gafken PR, Storer BE, Roy NH, Burkhardt JK, Mathews W, Tolar J, Lee SJ, Blazar BR, Paczesny S. Murine chronic graft-versus-host disease proteome profiling discovers CCL15 as a novel biomarker in patients. Blood 2018; 131:1743-1754. [PMID: 29348127 PMCID: PMC5897867 DOI: 10.1182/blood-2017-08-800623] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Accepted: 01/11/2018] [Indexed: 12/27/2022] Open
Abstract
Improved diagnostic and treatment methods are needed for chronic graft-versus-host disease (cGVHD), the leading cause of late nonrelapse mortality (NRM) in long-term survivors of allogenic hematopoietic cell transplantation. Validated biomarkers that facilitate disease diagnosis and classification generally are lacking in cGVHD. Here, we conducted whole serum proteomics analysis of a well-established murine multiorgan system cGVHD model. We discovered 4 upregulated proteins during cGVHD that are targetable by genetic ablation or blocking antibodies, including the RAS and JUN kinase activator, CRKL, and CXCL7, CCL8, and CCL9 chemokines. Donor T cells lacking CRK/CRKL prevented the generation of cGVHD, germinal center reactions, and macrophage infiltration seen with wild-type T cells. Whereas antibody blockade of CCL8 or CXCL7 was ineffective in treating cGVHD, CCL9 blockade reversed cGVHD clinical manifestations, histopathological changes, and immunopathological hallmarks. Mechanistically, elevated CCL9 expression was present predominantly in vascular smooth muscle cells and uniquely seen in cGVHD mice. Plasma concentrations of CCL15, the human homolog of mouse CCL9, were elevated in a previously published cohort of 211 cGVHD patients compared with controls and associated with NRM. In a cohort of 792 patients, CCL15 measured at day +100 could not predict cGVHD occurring within the next 3 months with clinically relevant sensitivity/specificity. Our findings demonstrate for the first time the utility of preclinical proteomics screening to identify potential new targets for cGVHD and specifically CCL15 as a diagnosis marker for cGVHD. These data warrant prospective biomarker validation studies.
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Affiliation(s)
- Jing Du
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Ryan Flynn
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Katelyn Paz
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Hong-Gang Ren
- Department of Pediatrics and Immunology, Indiana University School of Medicine, Indianapolis, IN
| | | | | | | | - Barry E Storer
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, WA; and
| | - Nathan H Roy
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia-Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Janis K Burkhardt
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia-Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Wendy Mathews
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Jakub Tolar
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Stephanie J Lee
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, WA; and
| | - Bruce R Blazar
- Department of Pediatrics, University of Minnesota, Minneapolis, MN
| | - Sophie Paczesny
- Department of Pediatrics and Immunology, Indiana University School of Medicine, Indianapolis, IN
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Döring Y, Megens R, Soehnlein O, Drechsler M. Neutrophilic granulocytes – promiscuous accelerators of atherosclerosis. Thromb Haemost 2017; 106:839-48. [DOI: 10.1160/th11-07-0501] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Accepted: 09/28/2011] [Indexed: 12/23/2022]
Abstract
SummaryNeutrophils, as part of the innate immune system, are classically described to be main actors during the onset of inflammation enforcing rapid neutralisation and clearance of pathogens. Besides their wellstudied role in acute inflammatory processes, recent advances strongly indicate a so far underappreciated importance of neutrophils in initiation and development of atherosclerosis. This review focuses on current findings on the role of neutrophils in atherosclerosis. As pro-inflammatory mechanisms of neutrophils have primarily been studied in the microvascular environment; we here aim at translating these into the context of macrovascular inflammation in atherosclerosis. Since much of the pro-inflammatory activities of neutrophils stem from instructing neighbouring cell types, we highlight the promiscuous interplay between neutrophils and platelets, monocytes, T lymphocytes, and dendritic cells and its possible relevance to atherosclerosis.
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Zwicker S, Lira-Junior R, Höög C, Almer S, Boström EA. Systemic Chemokine Levels with "Gut-Specific" Vedolizumab in Patients with Inflammatory Bowel Disease-A Pilot Study. Int J Mol Sci 2017; 18:ijms18081827. [PMID: 28829369 PMCID: PMC5578211 DOI: 10.3390/ijms18081827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 08/15/2017] [Accepted: 08/17/2017] [Indexed: 12/30/2022] Open
Abstract
Vedolizumab, a gut-specific biological treatment for inflammatory bowel disease (IBD), is an antibody that binds to the α4β7 integrin and blocks T-cell migration into intestinal mucosa. We aimed to investigate chemokine levels in serum of IBD-patients treated with vedolizumab. In this pilot study, we included 11 IBD patients (8 Crohn’s disease, 3 ulcerative colitis) previously non-respondent to anti-tumor necrosis factor (TNF)-agents. Patients received vedolizumab at week 0, 2 and 6 and were evaluated for clinical efficacy at week 10. Clinical characteristics and routine laboratory parameters were obtained and patients were classified as responders or non-responders. Expression of 21 chemokines in serum was measured using Proximity Extension Assay and related to clinical outcome. At week 10, 6 out of 11 patients had clinically responded. Overall expression of CCL13 increased after treatment. In non-responders, expression of CCL13 and CXCL8 increased after treatment, and CCL20 and CXCL1 expressions were higher compared to responders. In responders, CCL28 decreased after treatment. C-reactive protein (CRP) correlated negatively with 6 chemokines before therapy, but not after therapy. Systemic CCL13 expression increases in IBD-patients after vedolizumab therapy and several chemokine levels differ between responders and non-responders. An increased CCL13-level when starting vedolizumab treatment, might indicate potential prognostic value of measuring chemokine levels when starting therapy with vedolizumab. This study provides new information on modulation of systemic chemokine levels after vedolizumab treatment.
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Affiliation(s)
- Stephanie Zwicker
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Alfred Nobels Allé 8, SE-141 52 Huddinge, Sweden.
| | - Ronaldo Lira-Junior
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Alfred Nobels Allé 8, SE-141 52 Huddinge, Sweden.
| | - Charlotte Höög
- Department of Medicine, Solna, Karolinska Institutet, SE-171 76 Stockholm, Sweden.
- GastroCentrum, Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden.
| | - Sven Almer
- Department of Medicine, Solna, Karolinska Institutet, SE-171 76 Stockholm, Sweden.
- GastroCentrum, Karolinska University Hospital, Solna, SE-171 76 Stockholm, Sweden.
| | - Elisabeth A Boström
- Department of Dental Medicine, Division of Periodontology, Karolinska Institutet, Alfred Nobels Allé 8, SE-141 52 Huddinge, Sweden.
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Arruda-Silva F, Bianchetto-Aguilera F, Gasperini S, Polletti S, Cosentino E, Tamassia N, Cassatella MA. Human Neutrophils Produce CCL23 in Response to Various TLR-Agonists and TNFα. Front Cell Infect Microbiol 2017; 7:176. [PMID: 28553619 PMCID: PMC5427542 DOI: 10.3389/fcimb.2017.00176] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 04/24/2017] [Indexed: 12/29/2022] Open
Abstract
CCL23, also known as myeloid progenitor inhibitory factor (MPIF)-1, macrophage inflammatory protein (MIP)-3, or CKβ8, is a member of the CC chemokine subfamily exerting its effects via CCR1 binding. By doing so, CCL23 selectively recruits resting T lymphocytes and monocytes, inhibits proliferation of myeloid progenitor cells and promotes angiogenesis. Previously, we and other groups have reported that human neutrophils are able to produce chemokines upon appropriate activation, including CCR1-binding CCL2, CCL3, and CCL4. Herein, we demonstrate that human neutrophils display the capacity to also express and release CCL23 when stimulated by R848 and, to a lesser extent, by other pro-inflammatory agonists, including LPS, Pam3CSK4, and TNFα. Notably, we show that, on a per cell basis, R848-activated neutrophils produce higher levels of CCL23 than autologous CD14+-monocytes activated under similar experimental conditions. By contrast, we found that, unlike CD14+-monocytes, neutrophils do not produce CCL23 in response to IL-4, thus indicating that they express CCL23 in a stimulus-specific fashion. Finally, we show that the production of CCL23 by R848-stimulated neutrophils is negatively modulated by IFNα, which instead enhances that of CCL2. Together, data extend our knowledge on the chemokines potentially produced by neutrophils. The ability of human neutrophils to produce CCL23 further supports the notion on the neutrophil capacity of orchestrating the recruitment of different cell types to the inflamed sites, in turn contributing to the control of the immune response.
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Affiliation(s)
- Fabio Arruda-Silva
- Section of General Pathology, Department of Medicine, University of VeronaVerona, Italy
| | | | - Sara Gasperini
- Section of General Pathology, Department of Medicine, University of VeronaVerona, Italy
| | - Sara Polletti
- Humanitas Clinical and Research CenterMilan, Italy.,Department of Biomedical Sciences, Humanitas UniversityMilan, Italy
| | - Emanuela Cosentino
- Functional Genomic Lab, Department of Biotechnology, University of VeronaVerona, Italy
| | - Nicola Tamassia
- Section of General Pathology, Department of Medicine, University of VeronaVerona, Italy
| | - Marco A Cassatella
- Section of General Pathology, Department of Medicine, University of VeronaVerona, Italy
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Schneberger D, DeVasure JM, Bailey KL, Romberger DJ, Wyatt TA. Effect of low-level CO 2 on innate inflammatory protein response to organic dust from swine confinement barns. J Occup Med Toxicol 2017; 12:9. [PMID: 28352288 PMCID: PMC5366145 DOI: 10.1186/s12995-017-0155-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 03/16/2017] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Organic hog barn dust (HDE) exposure induces lung inflammation and long-term decreases in lung function in agricultural workers. While concentrations of common gasses in confined animal facilities are well characterized, few studies have been done addressing if exposure to elevated barn gasses impacts the lung immune response to organic dusts. Given the well documented effects of hypercapnia at much higher levels we hypothesized that CO2 at 8 h exposure limit levels (5000 ppm) could alter innate immune responses to HDE. METHODS Using a mouse model, C57BL/6 mice were nasally instilled with defined barn dust extracts and then housed in an exposure box maintained at one of several CO2 levels for six hours. Bronchiolar lavage (BAL) was tested for several cytokines while lung tissue was saved for mRNA purification and immunohistochemistry. RESULTS Exposure to elevated CO2 significantly increased the expression of pro-inflammatory markers, IL-6 and KC, in BAL fluid as compared to dust exposure alone. Expression of other pro-inflammatory markers, such as ICAM-1 and matrix metalloproteinase-9 (MMP-9), were also tested and showed similar increased expression upon HDE + CO2 exposure. A chemokine array analysis of BAL fluid revealed that MIP-1γ (CCL9) shows a similar increased response to HDE + CO2. Further testing showed CCL9 was significantly elevated by barn dust and further enhanced by CO2 co-exposure in a dose-dependent manner that was noticeable at the protein and mRNA levels. In all cases, except for ICAM-1, increases in tested markers in the presence of elevated CO2 were only significant in the presence of HDE as well. CONCLUSIONS We show that even at mandated safe exposure limits, CO2 is capable of enhancing multiple markers of inflammation in response to HDE.
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Affiliation(s)
- David Schneberger
- Pulmonary, Critical Care, Sleep & Allergy Division, Department of Internal Medicine, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
| | - Jane M. DeVasure
- Pulmonary, Critical Care, Sleep & Allergy Division, Department of Internal Medicine, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
| | - Kristina L. Bailey
- Research Service, Veterans Administration Nebraska Western Iowa Health Care System, Omaha, NE 68105 USA
- Pulmonary, Critical Care, Sleep & Allergy Division, Department of Internal Medicine, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
| | - Debra J. Romberger
- Research Service, Veterans Administration Nebraska Western Iowa Health Care System, Omaha, NE 68105 USA
- Pulmonary, Critical Care, Sleep & Allergy Division, Department of Internal Medicine, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
| | - Todd A. Wyatt
- Research Service, Veterans Administration Nebraska Western Iowa Health Care System, Omaha, NE 68105 USA
- Pulmonary, Critical Care, Sleep & Allergy Division, Department of Internal Medicine, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
- Department of Environmental, Agricultural and Occupational Health, University of Nebraska Medical Center, 985910 The Nebraska Medical Center, Omaha, NE 68198-5910 USA
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49
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Pulmonary innate inflammatory responses to agricultural occupational contaminants. Cell Tissue Res 2017; 367:627-642. [PMID: 28168324 DOI: 10.1007/s00441-017-2573-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 01/09/2017] [Indexed: 10/20/2022]
Abstract
Agricultural workers are exposed to many contaminants and suffer from respiratory and other symptoms. Dusts, gases, microbial products and pesticide residues from farms have been linked to effects on the health of agricultural workers. Growing sets of data from in vitro and in vivo models demonstrate the role of the innate immune system, especially Toll-like receptor 4 (TLR4) and TLR9, in lung inflammation induced following exposure to contaminants in agricultural environments. Interestingly, inflammation and lung function changes appear to be discordant indicating the complexity of inflammatory responses to exposures. Whereas the recent development of rodent models and exposure systems have yielded valuable data, we need new systems to examine the combined effects of multiple contaminants in order to increase our understanding of farm-exposure-induced negative health effects.
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Tan SY, Weninger W. Neutrophil migration in inflammation: intercellular signal relay and crosstalk. Curr Opin Immunol 2016; 44:34-42. [PMID: 27951434 DOI: 10.1016/j.coi.2016.11.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 11/21/2016] [Indexed: 12/18/2022]
Abstract
Neutrophils are innate effector cells armed with a potent machinery to combat damage and infection within tissues. Their ability to rapidly respond to danger signals and mobilise is crucial to their role. After extravasation, neutrophil populations often exhibit swarming behaviour. Swarming occurs in distinct phases and is coordinated via inter-neutrophil signal relay in the form of small molecule mediators. Neutrophils also engage in multi-dimensional crosstalk with tissue-resident cells and incoming leukocytes in the inflammatory milieu. The complexity of neutrophil crosstalk with other innate immune cells mirrors that of the adaptive immune system, with rudimentary features of 'priming' and 'licensing'. We review recent findings relating to the migration and intercellular crosstalks of neutrophils in the initiation and resolution of inflammation.
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Affiliation(s)
- Sioh-Yang Tan
- Immune Imaging Program, Centenary Institute for Cancer Medicine and Cell Biology, Newtown, NSW 2042, Australia; The University of Sydney Medical School, NSW 2006, Australia.
| | - Wolfgang Weninger
- Immune Imaging Program, Centenary Institute for Cancer Medicine and Cell Biology, Newtown, NSW 2042, Australia; The University of Sydney Medical School, NSW 2006, Australia; Department of Dermatology, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia.
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