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Yu Z, Zhang H, Li L, Li Z, Chen D, Pang X, Ji Y, Wang Y. Microglia-mediated pericytes migration and fibroblast transition via S1P/S1P3/YAP signaling pathway after spinal cord injury. Exp Neurol 2024; 379:114864. [PMID: 38866101 DOI: 10.1016/j.expneurol.2024.114864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 06/04/2024] [Accepted: 06/09/2024] [Indexed: 06/14/2024]
Abstract
Platelet-derived growth factor receptor β positive (PDGFRβ+) pericytes detach from the microvascular wall and migrate into the injury center following spinal cord injury (SCI), which has been widely regarded as the main source of fibrotic scar, but the mechanism of migration and fibroblast transition remains elusive. Here we show the associated spatiotemporal distribution between microglia and pericytes at three and seven days post-injury (dpi). The increased expression of Sphingosine kinase-1 (SPHK1) in microglia significantly raised the concentration of Sphingosine-1-phosphate (S1P) in the spinal cord, which promotes migration and fibroblast transition of pericyte. In vitro experiments, we found the elevated Sphingosine 1-phosphate receptor 3 (S1P3), the S1P/S1PR3 axis inhibited the phosphorylation of YAP and promoted its nuclear translocation, which contributed to the formation of alpha-smooth muscle actin (α-SMA) and collagen type I (COL1) protein, This process can be blocked by an S1P3 specific inhibitor TY52156 in vitro. The S1P/S1P3/YAP pathway might be a potential target for treatment in SCI.
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Affiliation(s)
- Ziyuan Yu
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Huabin Zhang
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Linxi Li
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Zhi Li
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Danmin Chen
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Xiao Pang
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Yunxiang Ji
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China
| | - Yezhong Wang
- Guangzhou Med Univ, Inst Neurosci, Dept Neurosurg, Affiliated Hosp 2, Guangzhou 510260, PR China.
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Vellecco V, Esposito E, Indolfi C, Saviano A, Panza E, Bucci M, Brancaleone V, Cirino G, d'Emmanuele di Villa Bianca R, Sorrentino R, Mitidieri E. Biphasic inflammatory response induced by intra-plantar injection of L-cysteine: Role of CBS-derived H 2S and S1P/NO signaling. Biomed Pharmacother 2023; 167:115536. [PMID: 37742608 DOI: 10.1016/j.biopha.2023.115536] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/14/2023] [Accepted: 09/17/2023] [Indexed: 09/26/2023] Open
Abstract
This study investigates the inflammatory response to intra-plantar injection of L-cysteine in a murine model. L-cysteine induces a two-phase response: an early phase lasting 6 h and a late phase peaking at 24 h and declining by 192 h. The early phase shows increased neutrophil accumulation at 2 h up to 24 h, followed by a reduction at 48 h. On the other hand, the late phase exhibits increased macrophage infiltration peaking at 96 h. Inhibition of cystathionine β-synthase (CBS), the first enzyme in the transsulfuration pathway, significantly reduces L-cysteine-induced edema, suggesting its dependence on CBS-derived hydrogen sulfide (H2S). Sequential formation of sphingosine-1-phosphate (S1P) preceding nitric oxide (NO) generation suggests the involvement of a CBS/S1P/NO axis in the inflammatory response. Inhibition of de novo sphingolipid biosynthesis, S1P1 receptor, and endothelial NO synthase (eNOS) attenuates L-cysteine-induced paw edema. These findings indicate a critical role of the CBS/H2S/S1P/NO signaling pathway in the development and maintenance of L-cysteine-induced inflammation. The co-presence of H2S and NO is necessary for inducing and sustaining the inflammatory response, as NaHS or L-arginine alone do not replicate the marked and prolonged inflammatory effect observed with L-cysteine. This study enhances our understanding of the complex molecular mechanisms of the interplay between NO and H2S pathways in inflammation and identifies potential therapeutic targets for inflammatory disorders.
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Affiliation(s)
- Valentina Vellecco
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Erika Esposito
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Chiara Indolfi
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Anella Saviano
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Elisabetta Panza
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Mariarosaria Bucci
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | | | - Giuseppe Cirino
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | | | - Raffaella Sorrentino
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Emma Mitidieri
- Department of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
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3
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Ouro A, Correa-Paz C, Maqueda E, Custodia A, Aramburu-Núñez M, Romaus-Sanjurjo D, Posado-Fernández A, Candamo-Lourido M, Alonso-Alonso ML, Hervella P, Iglesias-Rey R, Castillo J, Campos F, Sobrino T. Involvement of Ceramide Metabolism in Cerebral Ischemia. Front Mol Biosci 2022; 9:864618. [PMID: 35531465 PMCID: PMC9067562 DOI: 10.3389/fmolb.2022.864618] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/11/2022] [Indexed: 12/12/2022] Open
Abstract
Ischemic stroke, caused by the interruption of blood flow to the brain and subsequent neuronal death, represents one of the main causes of disability in worldwide. Although reperfusion therapies have shown efficacy in a limited number of patients with acute ischemic stroke, neuroprotective drugs and recovery strategies have been widely assessed, but none of them have been successful in clinical practice. Therefore, the search for new therapeutic approaches is still necessary. Sphingolipids consist of a family of lipidic molecules with both structural and cell signaling functions. Regulation of sphingolipid metabolism is crucial for cell fate and homeostasis in the body. Different works have emphasized the implication of its metabolism in different pathologies, such as diabetes, cancer, neurodegeneration, or atherosclerosis. Other studies have shown its implication in the risk of suffering a stroke and its progression. This review will highlight the implications of sphingolipid metabolism enzymes in acute ischemic stroke.
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Affiliation(s)
- Alberto Ouro
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Clara Correa-Paz
- Translational Stroke Laboratory Group (TREAT), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Elena Maqueda
- Neuroimaging and Biotechnology Laboratory (NOBEL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Antía Custodia
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Marta Aramburu-Núñez
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Daniel Romaus-Sanjurjo
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Adrián Posado-Fernández
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - María Candamo-Lourido
- Translational Stroke Laboratory Group (TREAT), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Maria Luz Alonso-Alonso
- Neuroimaging and Biotechnology Laboratory (NOBEL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Pablo Hervella
- Neuroimaging and Biotechnology Laboratory (NOBEL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Ramón Iglesias-Rey
- Neuroimaging and Biotechnology Laboratory (NOBEL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - José Castillo
- Neuroimaging and Biotechnology Laboratory (NOBEL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Francisco Campos
- Translational Stroke Laboratory Group (TREAT), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Tomás Sobrino
- NeuroAging Group (NEURAL), Clinical Neurosciences Research Laboratory (LINC), Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
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Abstract
Endothelial cells (ECs) are vascular, nonconventional immune cells that play a major role in the systemic response after bacterial infection to limit its dissemination. Triggered by exposure to pathogens, microbial toxins, or endogenous danger signals, EC responses are polymorphous, heterogeneous, and multifaceted. During sepsis, ECs shift toward a proapoptotic, proinflammatory, proadhesive, and procoagulant phenotype. In addition, glycocalyx damage and vascular tone dysfunction impair microcirculatory blood flow, leading to organ injury and, potentially, life-threatening organ failure. This review aims to cover the current understanding of the EC adaptive or maladaptive response to acute inflammation or bacterial infection based on compelling recent basic research and therapeutic clinical trials targeting microvascular and endothelial alterations during septic shock.
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Affiliation(s)
- Jérémie Joffre
- Medical Intensive Care Unit, Hôpital Saint-Antoine, Assistance Publique-Hôpitaux de Paris, Sorbonne Université, Paris, France.,Department of Anesthesia and Perioperative Care, University of California San Francisco School of Medicine, San Francisco, California
| | - Judith Hellman
- Department of Anesthesia and Perioperative Care, University of California San Francisco School of Medicine, San Francisco, California
| | - Can Ince
- Department of Intensive Care Medicine, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, the Netherlands; and
| | - Hafid Ait-Oufella
- Medical Intensive Care Unit, Hôpital Saint-Antoine, Assistance Publique-Hôpitaux de Paris, Sorbonne Université, Paris, France.,INSERM U970, Cardiovascular Research Center, Université de Paris, Paris, France
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5
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Harden OC, Hammad SM. Sphingolipids and Diagnosis, Prognosis, and Organ Damage in Systemic Lupus Erythematosus. Front Immunol 2020; 11:586737. [PMID: 33101319 PMCID: PMC7546393 DOI: 10.3389/fimmu.2020.586737] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/10/2020] [Indexed: 12/19/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that involves multiple organs and disproportionality affects females, especially African Americans from 15 to 44 years of age. SLE can lead to end organ damage including kidneys, lungs, cardiovascular and neuropsychiatric systems, with cardiovascular complications being the primary cause of death. Usually, SLE is diagnosed and its activity is assessed using the Systemic Lupus Erythematosus Disease Activity Index (SLEDAI), Systemic Lupus International Collaborating Clinics Damage Index (SLICC/ACR), and British Isles Lupus Assessment Group (BILAG) Scales, which unfortunately often occurs after a certain degree of systemic involvements, disease activity or organ damage already exists. There is certainly a need for the identification of early biomarkers to diagnose and assess disease activity as well as to evaluate disease prognosis and response to treatment earlier in the course of the disease. Here we review advancements made in the area of sphingolipidomics as a diagnostic/prognostic tool for SLE and its co-morbidities. We also discuss recent reports on differential sphingolipid metabolism and blood sphingolipid profiles in SLE-prone animal models as well as in diverse cohorts of SLE patients. In addition, we address targeting sphingolipids and their metabolism as a method of treating SLE and some of its complications. Although such treatments have already shown promise in preventing organ-specific pathology caused by SLE, further investigational studies and clinical trials are warranted.
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Affiliation(s)
- Olivia C Harden
- College of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Samar M Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, United States
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6
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Gu W, Tong Z. Clinical Application of Metabolomics in Pancreatic Diseases: A Mini-Review. Lab Med 2020; 51:116-121. [PMID: 31340007 DOI: 10.1093/labmed/lmz046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Metabolomics is a powerful new analytical method to describe the set of metabolites within cellular tissue and bodily fluids. Metabolomics can uncover detailed information about metabolic changes in organisms. The morphology of these metabolites represents the metabolic processes that occur in cells, such as anabolism, catabolism, inhomogeneous natural absorption and metabolism, detoxification, and metabolism of biomass energy. Because the metabolites of different diseases are different, the specificity of the changes can be found by metabolomics testing, which provides a new source of biomarkers for the early identification of diseases and the difference between benign and malignant states. Metabolomics has a wide application potential in pancreatic diseases, including early detection, diagnosis, and identification of pancreatic diseases. However, there are few studies on metabolomics in pancreatic diseases in the literature. This article reviews the application of metabolomics in the diagnosis, prognosis, treatment, and evaluation of pancreatic diseases.
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Affiliation(s)
- Wang Gu
- Anhui Medical University, Hefei City, China
| | - Zhong Tong
- Hefei First People's Hospital, Hefei City, China
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7
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Filewod NC, Lee WL. Inflammation without Vascular Leakage. Science Fiction No Longer? Am J Respir Crit Care Med 2020; 200:1472-1476. [PMID: 31381867 DOI: 10.1164/rccm.201905-1011cp] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Vascular leakage is a characteristic of critical illnesses such as septic shock and acute respiratory distress syndrome. It results in hypotension and tissue edema and contributes to organ dysfunction. It has long been taught that increased vascular permeability is a natural consequence of inflammation; in particular, many clinicians believe that it occurs inevitably during leukocyte recruitment to a site of infection. In fact, abundant research now indicates that vascular leakage and leukocyte emigration do not necessarily occur together in a blood vessel. The molecular mechanisms underpinning these processes-allowing leukocytes to exit the circulation without increasing vascular permeability-are starting to be elucidated and establish vascular leakage as a viable therapeutic target. Several preclinical studies indicate that vascular leakage can be reduced without impairing cytokine production, leukocyte recruitment, and pathogen clearance. The realization that leukocyte traffic and vascular permeability can be regulated separately should spur development of therapies that decrease vascular leakage and tissue edema without compromising the immune response.
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Affiliation(s)
- Niall C Filewod
- Department of Critical Care Medicine and.,Keenan Research Centre for Biomedical Sciences, St. Michael's Hospital, Toronto, Ontario, Canada; and
| | - Warren L Lee
- Department of Critical Care Medicine and.,Keenan Research Centre for Biomedical Sciences, St. Michael's Hospital, Toronto, Ontario, Canada; and.,Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
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8
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Park J, Lee Y, Kim E, Kim Y, Hong IS. Synthesis and Characterization of an Amino‐oxy‐modified Sphingosine‐1‐Phosphate Derivative that Can Replace Thiolated‐S1P in Competitive ELSIA. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.11994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ji‐Hye Park
- Department of Chemistry, College of Natural ScienceKongju National University Gongju‐si 32588 Republic of Korea
| | - Yeji Lee
- Department of Chemistry, College of Natural ScienceKongju National University Gongju‐si 32588 Republic of Korea
| | - Eunjin Kim
- Department of diagnosticsResearch Institute of Sejong Medical. Co. Ltd. Paju‐si 10880 Republic of Korea
| | - Yong‐Tae Kim
- Department of Chemistry, College of Natural ScienceKongju National University Gongju‐si 32588 Republic of Korea
- Department of diagnosticsResearch Institute of Sejong Medical. Co. Ltd. Paju‐si 10880 Republic of Korea
| | - In Seok Hong
- Department of Chemistry, College of Natural ScienceKongju National University Gongju‐si 32588 Republic of Korea
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9
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Sun M, Du B, Shi Y, Lu Y, Zhou Y, Liu B. Combined Signature of the Fecal Microbiome and Plasma Metabolome in Patients with Ulcerative Colitis. Med Sci Monit 2019; 25:3303-3315. [PMID: 31055592 PMCID: PMC6515979 DOI: 10.12659/msm.916009] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Ulcerative colitis is a chronic, idiopathic inflammatory disease that destroys the colon structure. Nevertheless, the exact pathogenesis is not clear and needs to be fully elucidated. Material/Methods Stool and plasma samples were used for 16S ribosomal RNA sequencing and liquid chromatography mass spectrometry, respectively. In addition, we detected the level of trimethylamine N-oxide. Finally, we performed Pearson correlation analysis between the microbiome and the metabolome. Results Twenty-three active ulcerative colitis, 25 inactive ulcerative colitis, and 30 control cases were included. Thirty-four significantly different metabolites were found between the active ulcerative colitis and control groups, 38 were found between the inactive ulcerative colitis and control groups, and only 1 was found between the active ulcerative colitis and inactive ulcerative colitis groups. The plasma trimethylamine N-oxide level of the inactive ulcerative colitis and active ulcerative colitis groups was significantly higher than that of the control group. Moreover, we identified significant changes in 24, 18, and 12 bacterial genera for active ulcerative colitis-control, inactive ulcerative colitis-control, and active ulcerative colitis-inactive ulcerative colitis, respectively. Cross-correlation indicated an association between sphingosine 1-phosphate and Roseburia, Klebsiella, and Escherichia-Shigella. Through the pathway analysis, we found sphingolipid metabolism was one of the most significantly increased pathways. Conclusions Although levels of trimethylamine N-oxide were higher in ulcerative colitis patients, they did not achieve statistical significance in active ulcerative colitis and inactive ulcerative colitis groups. Sphingosine 1-phosphate was increased in ulcerative colitis patients and there were several microbiota associated with it. Although further study is still needed, sphingosine 1-phosphate will probably become a new target for treatment of ulcerative colitis.
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Affiliation(s)
- Meiling Sun
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China (mainland)
| | - Bing Du
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China (mainland)
| | - Yang Shi
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (mainland)
| | - Yue Lu
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China (mainland)
| | - Yangyang Zhou
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (mainland)
| | - Bingrong Liu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China (mainland).,Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China (mainland)
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10
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Perez DA, Galvão I, Athayde RM, Rezende BM, Vago JP, Silva JD, Reis AC, Ribeiro LS, Gomes JHS, Pádua RM, Braga FC, Sousa LP, Teixeira MM, Pinho V. Inhibition of the sphingosine-1-phosphate pathway promotes the resolution of neutrophilic inflammation. Eur J Immunol 2019; 49:1038-1051. [PMID: 30939218 DOI: 10.1002/eji.201848049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/27/2019] [Accepted: 04/01/2019] [Indexed: 12/19/2022]
Abstract
Sphingosine-1-phosphate (S1P) is an important sphingolipid derived from plasma membrane and has a known role in productive phase of inflammation, but its role in neutrophil survival and resolution phase of inflammation is unknown. Here, we investigated the effects of inhibition of S1P receptors and the blockade of S1P synthesis in BALB/c mice and human neutrophils. S1P and S1PR1-3 receptors expression were increased in cells from the pleural cavity stimulated with LPS. Using different antagonists of S1PRs and inhibitors of different steps of the metabolic pathway of S1P production, we show that S1P and its receptors are involved in regulating neutrophil survival and resolution of inflammation in the pleural cavity. Given the role of the S1P-S1PR axis in resolution of inflammation, we sought to identify whether blockade at different levels of the sphingosine-1-phosphate synthesis pathway could affect neutrophil survival in vitro. Inhibitors of the S1P pathway were also able to induce human neutrophil apoptosis. In addition, blockade of S1P synthesis or its receptor facilitated the efferocytosis of apoptotic neutrophil. Taken together, our data demonstrate a fundamental role for S1P in regulating the outcome of inflammatory responses, and position S1P-S1PR axis as a potential target for treatment of neutrophilic inflammation.
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Affiliation(s)
- Denise A Perez
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Izabela Galvão
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rayssa M Athayde
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Barbara M Rezende
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Juliana P Vago
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Julia D Silva
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Alesandra C Reis
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lucas S Ribeiro
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - José H S Gomes
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rodrigo M Pádua
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fernão C Braga
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lirlândia P Sousa
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mauro M Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Vanessa Pinho
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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11
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Yagci ZB, Esvap E, Ozkara HA, Ulgen KO, Olmez EO. Inflammatory response and its relation to sphingolipid metabolism proteins: Chaperones as potential indirect anti-inflammatory agents. MOLECULAR CHAPERONES IN HUMAN DISORDERS 2019; 114:153-219. [DOI: 10.1016/bs.apcsb.2018.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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12
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He M, van Wijk E, van Wietmarschen H, Wang M, Sun M, Koval S, van Wijk R, Hankemeier T, van der Greef J. Spontaneous ultra-weak photon emission in correlation to inflammatory metabolism and oxidative stress in a mouse model of collagen-induced arthritis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 168:98-106. [PMID: 28199905 DOI: 10.1016/j.jphotobiol.2016.12.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/22/2016] [Accepted: 12/23/2016] [Indexed: 12/25/2022]
Abstract
The increasing prevalence of rheumatoid arthritis has driven the development of new approaches and technologies for investigating the pathophysiology of this devastating, chronic disease. From the perspective of systems biology, combining comprehensive personal data such as metabolomics profiling with ultra-weak photon emission (UPE) data may provide key information regarding the complex pathophysiology underlying rheumatoid arthritis. In this article, we integrated UPE with metabolomics-based technologies in order to investigate collagen-induced arthritis, a mouse model of rheumatoid arthritis, at the systems level, and we investigated the biological underpinnings of the complex dataset. Using correlation networks, we found that elevated inflammatory and ROS-mediated plasma metabolites are strongly correlated with a systematic reduction in amine metabolites, which is linked to muscle wasting in rheumatoid arthritis. We also found that increased UPE intensity is strongly linked to metabolic processes (with correlation co-efficiency |r| value >0.7), which may be associated with lipid oxidation that related to inflammatory and/or ROS-mediated processes. Together, these results indicate that UPE is correlated with metabolomics and may serve as a valuable tool for diagnosing chronic disease by integrating inflammatory signals at the systems level. Our correlation network analysis provides important and valuable information regarding the disease process from a system-wide perspective.
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Affiliation(s)
- Min He
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Eduard van Wijk
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Meluna Research, Geldermalsen, The Netherlands; Changchun University of Chinese Medicine, No. 1035, Boshuo Rd, Jingyue Economic Development District, Changchun 130117, China.
| | - Herman van Wietmarschen
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; TNO, P.O. Box 360, 3700 AJ Zeist, The Netherlands
| | - Mei Wang
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; SU Biomedicine, Utrechtseweg 48, 3700 AJ Zeist, The Netherlands; Changchun University of Chinese Medicine, No. 1035, Boshuo Rd, Jingyue Economic Development District, Changchun 130117, China
| | - Mengmeng Sun
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Changchun University of Chinese Medicine, No. 1035, Boshuo Rd, Jingyue Economic Development District, Changchun 130117, China
| | - Slavik Koval
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Roeland van Wijk
- Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Meluna Research, Geldermalsen, The Netherlands
| | - Thomas Hankemeier
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Jan van der Greef
- Analytical BioSciences, LACDR, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; Sino-Dutch Center for Preventive and Personalized Medicine, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands; TNO, P.O. Box 360, 3700 AJ Zeist, The Netherlands
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13
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Blankenbach KV, Schwalm S, Pfeilschifter J, Meyer Zu Heringdorf D. Sphingosine-1-Phosphate Receptor-2 Antagonists: Therapeutic Potential and Potential Risks. Front Pharmacol 2016; 7:167. [PMID: 27445808 PMCID: PMC4914510 DOI: 10.3389/fphar.2016.00167] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 06/03/2016] [Indexed: 12/26/2022] Open
Abstract
The sphingosine-1-phosphate (S1P) signaling system with its specific G-protein-coupled S1P receptors, the enzymes of S1P metabolism and the S1P transporters, offers a multitude of promising targets for drug development. Until today, drug development in this area has nearly exclusively focused on (functional) antagonists at the S1P1 receptor, which cause a unique phenotype of immunomodulation. Accordingly, the first-in class S1P1 receptor modulator, fingolimod, has been approved for the treatment of relapsing-remitting multiple sclerosis, and novel S1P1 receptor (functional) antagonists are being developed for autoimmune and inflammatory diseases such as psoriasis, inflammatory bowel disease, lupus erythematodes, or polymyositis. Besides the S1P1 receptor, also S1P2 and S1P3 are widely expressed and regulate many diverse functions throughout the body. The S1P2 receptor, in particular, often exerts cellular functions which are opposed to the functions of the S1P1 receptor. As a consequence, antagonists at the S1P2 receptor have the potential to be useful in a contrasting context and different areas of indication compared to S1P1 antagonists. The present review will focus on the therapeutic potential of S1P2 receptor antagonists and discuss their opportunities as well as their potential risks. Open questions and areas which require further investigations will be emphasized in particular.
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Affiliation(s)
- Kira V Blankenbach
- Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany
| | - Stephanie Schwalm
- Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany
| | - Josef Pfeilschifter
- Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany
| | - Dagmar Meyer Zu Heringdorf
- Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Germany
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14
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Xu H, Zhang L, Kang H, Zhang J, Liu J, Liu S. Serum Metabonomics of Mild Acute Pancreatitis. J Clin Lab Anal 2016; 30:990-998. [PMID: 27169745 DOI: 10.1002/jcla.21969] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 12/03/2015] [Accepted: 01/09/2016] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Mild acute pancreatitis (MAP) is a common acute abdominal disease, and exhibits rising incidence in recent decades. As an important component of systemic biology, metabonomics is a new discipline developed following genomics and proteomics. In this study, the objective was to analyze the serum metabonomics of patients with MAP, aiming to screen metabolic markers with potential diagnostic values. METHODS An analysis platform with ultra performance liquid chromatography-high-resolution mass spectrometry was used to screen the difference metabolites related to MAP diagnosis and disease course monitoring. RESULTS A total of 432 endogenous metabolites were screened out from 122 serum samples, and 49 difference metabolites were verified, among which 12 difference metabolites were identified by nonparametric test. After material identification, eight metabolites exhibited reliable results, and their levels in MAP serum were higher than those in healthy serum. Four metabolites exhibited gradual downward trend with treatment process going on, and the differences were statistically significant (P < 0.05). CONCLUSION Metabonomic analysis has revealed eight metabolites with potential diagnostic values toward MAP, among which four metabolites can be used to monitor the disease course.
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Affiliation(s)
- Hongmin Xu
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China
| | - Lei Zhang
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China
| | - Huan Kang
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China
| | - Jiandong Zhang
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China
| | - Jie Liu
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China
| | - Shuye Liu
- Department of Clinical Laboratory, Tianjin Third Central Hospital, Tianjin, China.
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15
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Sun WY, Dimasi DP, Pitman MR, Zhuang Y, Heddle R, Pitson SM, Grimbaldeston MA, Bonder CS. Topical Application of Fingolimod Perturbs Cutaneous Inflammation. THE JOURNAL OF IMMUNOLOGY 2016; 196:3854-64. [PMID: 27001955 DOI: 10.4049/jimmunol.1501510] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 02/23/2016] [Indexed: 01/13/2023]
Abstract
The prevalence of allergies, including rhinitis, eczema, and anaphylaxis, is rising dramatically worldwide. This increase is especially problematic in children who bear the greatest burden of this rising trend. Increasing evidence identifies neutrophils as primary perpetrators of the more severe and difficult to manage forms of inflammation. A newly recognized mechanism by which neutrophils are recruited during the early phase of histamine-induced inflammation involves the sphingosine kinase (SK)/sphingosine-1-phosphate axis. This study examines whether topical application of fingolimod, an established SK/sphingosine-1-phosphate antagonist already in clinical use to treat multiple sclerosis, may be repurposed to treat cutaneous inflammation. Using two mouse models of ear skin inflammation (histamine- and IgE-mediated passive cutaneous anaphylaxis) we topically applied fingolimod prophylactically, as well as after establishment of the inflammatory response, and examined ear swelling, SK activity, vascular permeability, leukocyte recruitment, and production of proinflammatory mediators. The present study reveals that when applied topically, fingolimod attenuates both immediate and late-phase responses to histamine with reduced extravasation of fluid, SK-1 activity, proinflammatory cytokine and chemokine production, and neutrophil influx and prevents ear swelling. Intravital microscopy demonstrates that histamine-induced neutrophil rolling and adhesion to the postcapillary venules in the mouse ears is significantly attenuated even after 24 h. More importantly, these effects are achievable even once inflammation is established. Translation into humans was also accomplished with epicutaneous application of fingolimod resolving histamine-induced and allergen-induced inflammatory reactions in forearm skin. Overall, this study demonstrates, to our knowledge for the first time, that fingolimod may be repurposed to treat cutaneous inflammation.
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Affiliation(s)
- Wai Y Sun
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - David P Dimasi
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia
| | - Melissa R Pitman
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia
| | - YiZhong Zhuang
- School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Robert Heddle
- School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia; Clinical Immunology Unit, Royal Adelaide Hospital, Adelaide, South Australia 5000, Australia; and Discipline of Pediatrics and Child Health, Flinders University, Adelaide, South Australia 5042, Australia
| | - Stuart M Pitson
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Michele A Grimbaldeston
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Claudine S Bonder
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia 5000, Australia; School of Medicine, University of Adelaide, Adelaide, South Australia 5000, Australia;
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16
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T cell-intrinsic S1PR1 regulates endogenous effector T-cell egress dynamics from lymph nodes during infection. Proc Natl Acad Sci U S A 2016; 113:2182-7. [PMID: 26862175 DOI: 10.1073/pnas.1516485113] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Viral clearance requires effector T-cell egress from the draining lymph node (dLN). The mechanisms that regulate the complex process of effector T-cell egress from the dLN after infection are poorly understood. Here, we visualized endogenous pathogen-specific effector T-cell migration within, and from, the dLN. We used an inducible mouse model with a temporally disrupted sphingosine-1-phosphate receptor-1 (S1PR1) gene specifically in endogenous effector T cells. Early after infection, WT and S1PR1(-/-) effector T cells localized exclusively within the paracortex. This localization in the paracortex by CD8 T cells was followed by intranodal migration by both WT and S1PR1(-/-) T cells to positions adjacent to both cortical and medullary lymphatic sinuses where the T cells exhibited intense probing behavior. However, in contrast to WT, S1PR1(-/-) effector T cells failed to enter the sinuses. We demonstrate that, even when LN retention signals such as CC chemokine receptor 7 (CCR7) are down-regulated, T cell intrinsic S1PR1 is the master regulator of effector T-cell emigration from the dLN.
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17
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Kusumi K, Shinozaki K, Yamaura Y, Hashimoto A, Kurata H, Naganawa A, Otsuki K, Matsushita T, Sekiguchi T, Kakuuchi A, Yamamoto H, Seko T. Discovery of novel S1P2 antagonists, part 3: Improving the oral bioavailability of a series of 1,3-bis(aryloxy)benzene derivatives. Bioorg Med Chem Lett 2016; 26:1209-13. [DOI: 10.1016/j.bmcl.2016.01.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/07/2016] [Accepted: 01/12/2016] [Indexed: 10/22/2022]
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18
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Gomez-Muñoz A, Presa N, Gomez-Larrauri A, Rivera IG, Trueba M, Ordoñez M. Control of inflammatory responses by ceramide, sphingosine 1-phosphate and ceramide 1-phosphate. Prog Lipid Res 2015; 61:51-62. [PMID: 26703189 DOI: 10.1016/j.plipres.2015.09.002] [Citation(s) in RCA: 158] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/14/2015] [Accepted: 09/28/2015] [Indexed: 01/04/2023]
Abstract
Inflammation is a network of complex processes involving a variety of metabolic and signaling pathways aiming at healing and repairing damage tissue, or fighting infection. However, inflammation can be detrimental when it becomes out of control. Inflammatory mediators involve cytokines, bioactive lipids and lipid-derived metabolites. In particular, the simple sphingolipids ceramides, sphingosine 1-phosphate, and ceramide 1-phosphate have been widely implicated in inflammation. However, although ceramide 1-phosphate was first described as pro-inflammatory, recent studies show that it has anti-inflammatory properties when produced in specific cell types or tissues. The biological functions of ceramides and sphingosine 1-phosphate have been extensively studied. These sphingolipids have opposing effects with ceramides being potent inducers of cell cycle arrest and apoptosis, and sphingosine 1-phosphate promoting cell growth and survival. However, the biological actions of ceramide 1-phosphate have only been partially described. Ceramide 1-phosphate is mitogenic and anti-apoptotic, and more recently, it has been demonstrated to be key regulator of cell migration. Both sphingosine 1-phosphate and ceramide 1-phosphate are also implicated in tumor growth and dissemination. The present review highlights new aspects on the control of inflammation and cell migration by simple sphingolipids, with special emphasis to the role played by ceramide 1-phosphate in controlling these actions.
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Affiliation(s)
- Antonio Gomez-Muñoz
- Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain.
| | - Natalia Presa
- Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain.
| | - Ana Gomez-Larrauri
- Department of Pneumology, University Hospital of Alava (Osakidetza), Vitoria-Gasteiz, Spain.
| | - Io-Guané Rivera
- Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain.
| | - Miguel Trueba
- Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain.
| | - Marta Ordoñez
- Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), P.O. Box 644, 48080 Bilbao, Spain.
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19
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Nigro E, Matteis M, Roviezzo F, Mattera Iacono V, Scudiero O, Spaziano G, Tartaglione G, Urbanek K, Filosa R, Daniele A, D'Agostino B. Role of adiponectin in sphingosine-1-phosphate induced airway hyperresponsiveness and inflammation. Pharmacol Res 2015; 103:114-22. [PMID: 26462929 DOI: 10.1016/j.phrs.2015.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 09/24/2015] [Accepted: 10/05/2015] [Indexed: 12/15/2022]
Abstract
Epidemiological data suggest that obesity represent an important risk factor for asthma, but the link between excess fat and airway hyperresponsiveness (AHR) and inflammation is not fully understood. Recently, a key role in physiopathologic conditions of lungs has been given to adiponectin (Acrp30). Acrp30 is one of the most expressed adipokines produced and secreted by adipose tissue, showing an intriguing relationship with metabolism of sphingolipids. Sphingosine-1-phosphate (S1P) has been proposed as an important inflammatory mediator implicated in the pathogenesis of airway inflammation and asthma. In the present study we analyze the effects of recombinant Acrp30 administration in an experimental model of S1P-induced AHR and inflammation. The results show that S1P is able to reduce endogenous Acrp30 serum levels and that recombinant Acrp30 treatment significantly reduce S1P-induced AHR and inflammation. Moreover, we observed a reduction of Adiponectin receptors (AdipoR1, AdipoR2 and T-cadherin) expression in S1P treated mice. Treatment with recombinant Acrp30 was able to restore Acrp30 serum levels and adiponectin receptors expression. These results could indicate the ability of S1P to modulate the Acrp30 action, by modulating not only the serum levels of the protein, but also its receptors. Taken together, these data suggest that adiponectin could represent a possible biomarker in obesity-associated asthma.
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Affiliation(s)
- Ersilia Nigro
- CEINGE-Advanced Biotechnology s.c.ar.l, Naples, Italy
| | - Maria Matteis
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Fiorentina Roviezzo
- Department of Experimental Pharmacology, University Federico II of Naples, Naples, Italy
| | | | - Olga Scudiero
- CEINGE-Advanced Biotechnology s.c.ar.l, Naples, Italy; Department of Molecular Medicine and Medical Biotechnology, University Federico II of Naples, Naples, Italy
| | - Giuseppe Spaziano
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Gioia Tartaglione
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Konrad Urbanek
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Rosanna Filosa
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Aurora Daniele
- CEINGE-Advanced Biotechnology s.c.ar.l, Naples, Italy; Department of Environmental Sciences and Technologies Biological and Pharmaceutical, Second University of Naples, Caserta, Italy
| | - Bruno D'Agostino
- Department of Experimental Medicine, Second University of Naples, Naples, Italy.
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20
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Kusumi K, Shinozaki K, Yamaura Y, Hashimoto A, Kurata H, Naganawa A, Ueda H, Otsuki K, Matsushita T, Sekiguchi T, Kakuuchi A, Seko T. Discovery of novel S1P2 antagonists. Part 2: Improving the profile of a series of 1,3-bis(aryloxy)benzene derivatives. Bioorg Med Chem Lett 2015; 25:4387-92. [PMID: 26384288 DOI: 10.1016/j.bmcl.2015.09.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 08/21/2015] [Accepted: 09/08/2015] [Indexed: 10/23/2022]
Abstract
Our initial lead compound 2 was modified to improve its metabolic stability. The resulting compound 5 showed excellent metabolic stability in rat and human liver microsomes. We subsequently designed and synthesized a hybrid compound of 5 and the 1,3-bis(aryloxy) benzene derivative 1, which was previously reported by our group to be an S1P2 antagonist. This hybridization reaction gave compound 9, which showed improved S1P2 antagonist activity and good metabolic stability. The subsequent introduction of a carboxylic acid moiety into 9 resulted in 14, which showed potent antagonist activity towards S1P2 with a much smaller species difference between human S1P2 and rat S1P2. Compound 14 also showed good metabolic stability and an improved safety profile compared with compound 9.
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Affiliation(s)
- Kensuke Kusumi
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan.
| | - Koji Shinozaki
- Ono Pharma UK Ltd, MidCity Place, 71 High Holborn, London WC1V 6EA, United Kingdom
| | - Yoshiyuki Yamaura
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Ai Hashimoto
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Haruto Kurata
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Atsushi Naganawa
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Hideyuki Ueda
- Head Office, Ono Pharmaceutical Co., Ltd, 8-2, Kyutaromachi 1-chome, Chuo-ku, Osaka 541-8564, Japan
| | - Kazuhiro Otsuki
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Takeshi Matsushita
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Tetsuya Sekiguchi
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Akito Kakuuchi
- Minase Research Institute, Ono Pharmaceutical Co., Ltd, 3-1-1 Sakurai, Shimamoto, Mishima, Osaka 618-8585, Japan
| | - Takuya Seko
- Head Office, Ono Pharmaceutical Co., Ltd, 8-2, Kyutaromachi 1-chome, Chuo-ku, Osaka 541-8564, Japan
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21
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Sorrentino R, Bertolino A, Terlizzi M, Iacono VM, Maiolino P, Cirino G, Roviezzo F, Pinto A. B cell depletion increases sphingosine-1-phosphate-dependent airway inflammation in mice. Am J Respir Cell Mol Biol 2015; 52:571-83. [PMID: 25250941 DOI: 10.1165/rcmb.2014-0207oc] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Sphingosine-1-phosphate (S1P) has been widely associated with inflammation-based lung pathologies. Because B cells play a critical role as antigen-presenting and/or Ig-producing cells during asthmatic conditions, we wanted to dissect the role of these cells in S1P-dependent airway hyperreactivity and inflammation. Mice were sensitized to ovalbumin or exposed to S1P. Ovalbumin sensitization caused airway hyperreactivity coupled to an increased lung infiltration of B cells, which was significantly reduced after the inhibition of sphingosine kinases I/II. Similarly, the sole administration of S1P increased bronchial reactivity compared with vehicle and was accompanied by a higher influx of B cells in a time-dependent manner. This effect was associated with higher levels of IL-13, transforming growth factor-β, IL-10, and T regulatory cells. In addition, isolated S1P-derived lung B cells increased CD4(+) and CD8(+) T cell proliferation in vitro, and their suppressive nature at Day 14 was associated with the higher release of transforming growth factor-β and IL-10 when they were cocultured. Therefore, to prove the role of B cells in S1P-mediated airway inflammation, and because CD20 expression, contrary to major hystocompatibility complex I and major hystocompatibility complex II, was up-regulated at Day 14, CD20(+) B cells were depleted by means of a specific monoclonal antibody. The absence of CD20(+) B cells increased airway reactivity and inflammation in S1P-treated mice compared with control mice. These data imply that sphingosine kinase/S1P-mediated airway inflammation is countered by B cells via the induction of an immune-suppressive environment to reduce asthma-like outcomes in mice.
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22
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Kulinski JM, Muñoz-Cano R, Olivera A. Sphingosine-1-phosphate and other lipid mediators generated by mast cells as critical players in allergy and mast cell function. Eur J Pharmacol 2015; 778:56-67. [PMID: 25941085 DOI: 10.1016/j.ejphar.2015.02.058] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 02/09/2015] [Accepted: 02/17/2015] [Indexed: 12/20/2022]
Abstract
Sphingosine-1-phosphate (S1P), platelet activating factor (PAF) and eicosanoids are bioactive lipid mediators abundantly produced by antigen-stimulated mast cells that exert their function mostly through specific cell surface receptors. Although it has long been recognized that some of these bioactive lipids are potent regulators of allergic diseases, their exact contributions to disease pathology have been obscured by the complexity of their mode of action and the regulation of their metabolism. Indeed, the effects of such lipids are usually mediated by multiple receptor subtypes that may differ in their signaling mechanisms and functions. In addition, their actions may be elicited by cell surface receptor-independent mechanisms. Furthermore, these lipids may be converted into metabolites that exhibit different functionalities, adding another layer of complexity to their overall biological responses. In some instances, a second wave of lipid mediator synthesis by both mast cell and non-mast cell sources may occur late during inflammation, bringing about additional roles in the altered environment. New evidence also suggests that bioactive lipids in the local environment can fine-tune mast cell maturation and phenotype, and thus their responsiveness. A better understanding of the subtleties of the spatiotemporal regulation of these lipid mediators, their receptors and functions may aid in the pursuit of pharmacological applications for allergy treatments.
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Affiliation(s)
- Joseph M Kulinski
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
| | - Rosa Muñoz-Cano
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
| | - Ana Olivera
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
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23
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Homeostatic regulation of T cell trafficking by a B cell-derived peptide is impaired in autoimmune and chronic inflammatory disease. Nat Med 2015; 21:467-475. [PMID: 25894827 PMCID: PMC4425550 DOI: 10.1038/nm.3842] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 03/18/2015] [Indexed: 12/16/2022]
Abstract
During an inflammatory response, lymphocyte recruitment into tissue must be tightly controlled because dysregulated trafficking contributes to the pathogenesis of chronic disease. Here we show that during inflammation and in response to adiponectin, B cells tonically inhibit T cell trafficking by secreting a peptide (PEPITEM) proteolytically derived from 14.3.3.ζδ protein. PEPITEM binds cadherin-15 on endothelial cells, promoting synthesis and release of sphingosine-1 phosphate, which inhibits trafficking of T cells without affecting recruitment of other leukocytes. Expression of adiponectin receptors on B cells and adiponectin induced PEPITEM secretion wanes with age, implying immune senescence of the pathway. Additionally, these changes are evident in individuals with type-1-diabetes or rheumatoid arthritis, and circulating PEPITEM in patient serum is reduced compared to healthy age matched donors. In both diseases, tonic inhibition of T cell trafficking across inflamed endothelium is lost. Importantly, control of patient T cell trafficking is re-established by exogenous PEPITEM. Moreover, in animal models of peritonitis, hepatic I/R injury, Salmonella infection, Uveitis and Sjögren’s Syndrome, PEPITEM could reduce T cell recruitment into inflamed tissues.
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Li C, Li JN, Kays J, Guerrero M, Nicol GD. Sphingosine 1-phosphate enhances the excitability of rat sensory neurons through activation of sphingosine 1-phosphate receptors 1 and/or 3. J Neuroinflammation 2015; 12:70. [PMID: 25880547 PMCID: PMC4397880 DOI: 10.1186/s12974-015-0286-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 03/24/2015] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Sphingosine-1-phosphate (S1P) is a bioactive sphingolipid that acts through a family of five G-protein-coupled receptors (S1PR1-5) and plays a key role in regulating the inflammatory response. Our previous studies demonstrated that rat sensory neurons express the mRNAs for all five S1PRs and that S1P increases neuronal excitability primarily, but not exclusively, through S1PR1. This raises the question as to which other S1PRs mediate the enhanced excitability. METHODS Isolated sensory neurons were treated with either short-interfering RNAs (siRNAs) or a variety of pharmacological agents targeted to S1PR1/R2/R3 to determine the role(s) of these receptors in regulating neuronal excitability. The excitability of isolated sensory neurons was assessed by using whole-cell patch-clamp recording to measure the capacity of these cells to fire action potentials (APs). RESULTS After siRNA treatment, exposure to S1P failed to augment the excitability. Pooled siRNA targeted to S1PR1 and R3 also blocked the enhanced excitability produced by S1P. Consistent with the siRNA results, pretreatment with W146 and CAY10444, selective antagonists for S1PR1 and S1PR3, respectively, prevented the S1P-induced increase in neuronal excitability. Similarly, S1P failed to augment excitability after pretreatment with either VPC 23019, which is a S1PR1 and R3 antagonist, or VPC 44116, the phosphonate analog of VPC 23019. Acute exposure (10 to 15 min) to either of the well-established functional antagonists, FTY720 or CYM-5442, produced a significant increase in the excitability. Moreover, after a 1-h pretreatment with FTY720 (an agonist for S1PR1/R3/R4/R5), neither SEW2871 (S1PR1 selective agonist) nor S1P augmented the excitability. However, after pretreatment with CYM-5442 (selective for S1PR1), SEW2871 was ineffective, but S1P increased the excitability of some, but not all, sensory neurons. CONCLUSIONS These results demonstrate that the enhanced excitability produced by S1P is mediated by activation of S1PR1 and/or S1PR3.
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Affiliation(s)
- Chao Li
- Medical Neuroscience Program, School of Medicine, Indiana University, Indianapolis, IN, 46202, USA.
| | - Jun-nan Li
- Department of Pharmacology and Toxicology, School of Medicine, Indiana University, 635 Barnhill Drive, Indianapolis, IN, 46202, USA. .,Department of Pharmacology, Harbin Medical University, Harbin, Peoples' Republic of China.
| | - Joanne Kays
- Department of Pharmacology and Toxicology, School of Medicine, Indiana University, 635 Barnhill Drive, Indianapolis, IN, 46202, USA.
| | - Miguel Guerrero
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, 92037, USA.
| | - Grant D Nicol
- Department of Pharmacology and Toxicology, School of Medicine, Indiana University, 635 Barnhill Drive, Indianapolis, IN, 46202, USA.
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Kusumi K, Shinozaki K, Kanaji T, Kurata H, Naganawa A, Otsuki K, Matsushita T, Sekiguchi T, Kakuuchi A, Seko T. Discovery of novel S1P2 antagonists. Part 1: Discovery of 1,3-bis(aryloxy)benzene derivatives. Bioorg Med Chem Lett 2015; 25:1479-82. [DOI: 10.1016/j.bmcl.2015.02.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 02/05/2015] [Accepted: 02/12/2015] [Indexed: 01/24/2023]
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Pucheu-Haston CM, Santoro D, Bizikova P, Eisenschenk MNC, Marsella R, Nuttall T. Review: Innate immunity, lipid metabolism and nutrition in canine atopic dermatitis. Vet Dermatol 2015; 26:104-e28. [DOI: 10.1111/vde.12199] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2014] [Indexed: 12/18/2022]
Affiliation(s)
- Cherie M. Pucheu-Haston
- Department of Veterinary Clinical Sciences; School of Veterinary Medicine; Louisiana State University; 1909 Skip Bertman Drive Baton Rouge LA 70803 USA
| | - Domenico Santoro
- Department of Small Animal Clinical Sciences; College of Veterinary Medicine; University of Florida; 2015 SW 16th Avenue Gainesville FL 32610 USA
| | - Petra Bizikova
- Department of Clinical Sciences; College of Veterinary Medicine; North Carolina State University; 1060 William Moore Drive Raleigh NC 27607 USA
| | | | - Rosanna Marsella
- Department of Small Animal Clinical Sciences; College of Veterinary Medicine; University of Florida; 2015 SW 16th Avenue Gainesville FL 32610 USA
| | - Tim Nuttall
- Easter Bush Veterinary Centre; Royal (Dick) School of Veterinary Studies; University of Edinburgh; Roslin EH25 9RG UK
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Platelet activating factor contributes to vascular leak in acute dengue infection. PLoS Negl Trop Dis 2015; 9:e0003459. [PMID: 25646838 PMCID: PMC4315531 DOI: 10.1371/journal.pntd.0003459] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 12/05/2014] [Indexed: 01/10/2023] Open
Abstract
Background Although plasma leakage is the hallmark of severe dengue
infections, the factors that cause increased vascular permeability have not been identified. As platelet activating factor (PAF) is associated with an increase in vascular permeability in other diseases, we set out to investigate its role in acute dengue infection. Materials and Methods PAF levels were initially assessed in 25 patients with acute dengue infection to determine if they were increased in acute dengue. For investigation of the kinetics of PAF, serial PAF values were assessed in 36 patients. The effect of dengue serum on tight junction protein ZO-1 was determined by using human endothelial cell lines (HUVECs). The effect of dengue serum on and trans-endothelial resistance (TEER) was also measured on HUVECs. Results PAF levels were significantly higher in patients with acute dengue (n = 25; p = 0.001) when compared to healthy individuals (n = 12). In further investigation of the kinetics of PAF in serial blood samples of patients (n = 36), PAF levels rose just before the onset of the critical phase. PAF levels were significantly higher in patients with evidence of vascular leak throughout the course of the illness when compared to those with milder disease. Serum from patients with dengue significantly down-regulated expression of tight junction protein, ZO-1 (p = 0.004), HUVECs. This was significantly inhibited (p = 0.004) by use of a PAF receptor (PAFR) blocker. Serum from dengue patients also significantly reduced TEER and this reduction was also significantly (p = 0.02) inhibited by prior incubation with the PAFR blocker. Conclusion Our results suggest the PAF is likely to be playing a significant role in inducing vascular leak in acute dengue infection which offers a potential target for therapeutic intervention. Although plasma leakage is the hallmark of severe dengue
infections, the factors that cause increased vascular permeability have not been identified. As platelet activating factor (PAF) is associated with an increase in vascular permeability in other diseases, we set out to investigate its role in acute dengue infection. In this study, we found that PAF was significantly increased in patients with DHF, and the PAF levels rose just before the onset of the critical phase of dengue, during which vascular leak is thought to occur. PAF in serum of dengue patients was associated with reduced expression of tight junction proteins (ZO-1) and reduction in trans-endothelial resistance (TEER) of human endothelial cells. Use of PAFR blockers significantly reduced the down regulation of ZO-1 by serum of dengue patients and also the reduction of TEER, suggesting that PAF plays a significant role in inducing vascular leak in acute dengue infections.
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Das A, Barker DA, Wang T, Lau CM, Lin Y, Botchwey EA. Delivery of bioactive lipids from composite microgel-microsphere injectable scaffolds enhances stem cell recruitment and skeletal repair. PLoS One 2014; 9:e101276. [PMID: 25077607 PMCID: PMC4117484 DOI: 10.1371/journal.pone.0101276] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Accepted: 06/04/2014] [Indexed: 01/07/2023] Open
Abstract
In this study, a microgel composed of chitosan and inorganic phosphates was used to deliver poly(lactic-co-glycolic acid) (PLAGA) microspheres loaded with sphingolipid growth factor FTY720 to critical size cranial defects in Sprague Dawley rats. We show that sustained release of FTY720 from injected microspheres used alone or in combination with recombinant human bone morphogenic protein-2 (rhBMP2) improves defect vascularization and bone formation in the presence and absence of rhBMP2 as evaluated by quantitative microCT and histological measurements. Moreover, sustained delivery of FTY720 from PLAGA and local targeting of sphingosine 1-phosphate (S1P) receptors reduces CD45+ inflammatory cell infiltration, promotes endogenous recruitment of CD29+CD90+ bone progenitor cells and enhances the efficacy of rhBMP2 from chitosan microgels. Companion in vitro studies suggest that selective activation of sphingosine receptor subtype-3 (S1P3) via FTY720 treatment induces smad-1 phosphorylation in bone-marrow stromal cells. Additionally, FTY720 enhances stromal cell-derived factor-1 (SDF-1) mediated chemotaxis of CD90+CD11B-CD45- bone progenitor cells in vitro after stimulation with rhBMP2. We believe that use of such small molecule delivery formulations to recruit endogenous bone progenitors may be an attractive alternative to exogenous cell-based therapy.
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Affiliation(s)
- Anusuya Das
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, United States of America
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, United States of America
| | - Daniel A. Barker
- Department of Otolaryngology, University of Virginia, Charlottesville, Virginia, United States of America
| | - Tiffany Wang
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
| | - Cheryl M. Lau
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
| | - Yong Lin
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, United States of America
| | - Edward A. Botchwey
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States of America
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Reitsema V, Bouma H, Willem Kok J. Sphingosine-1-phosphate transport and its role in immunology. AIMS MOLECULAR SCIENCE 2014. [DOI: 10.3934/molsci.2014.4.183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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LaBauve AE, Wargo MJ. Detection of host-derived sphingosine by Pseudomonas aeruginosa is important for survival in the murine lung. PLoS Pathog 2014; 10:e1003889. [PMID: 24465209 PMCID: PMC3900636 DOI: 10.1371/journal.ppat.1003889] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 12/02/2013] [Indexed: 01/25/2023] Open
Abstract
Pseudomonas aeruginosa is a common environmental bacterium that is also a significant opportunistic pathogen, particularly of the human lung. We must understand how P. aeruginosa responds to the lung environment in order to identify the regulatory changes that bacteria use to establish and maintain infections. The P. aeruginosa response to pulmonary surfactant was used as a model to identify transcripts likely induced during lung infection. The most highly induced transcript in pulmonary surfactant, PA5325 (sphA), is regulated by an AraC-family transcription factor, PA5324 (SphR). We found that sphA was specifically induced by sphingosine in an SphR-dependent manner, and also via metabolism of sphingomyelin, ceramide, or sphingoshine-1-phosphate to sphingosine. These sphingolipids not only play a structural role in lipid membranes, but some are also intracellular and intercellular signaling molecules important in normal eukaryotic cell functions as well as orchestrating immune responses. The members of the SphR transcriptome were identified by microarray analyses, and DNA binding assays showed specific interaction of these promoters with SphR, which enabled us to determine the consensus SphR binding site. SphR binding to DNA was modified by sphingosine and we used labeled sphingosine to demonstrate direct binding of sphingosine by SphR. Deletion of sphR resulted in reduced bacterial survival during mouse lung infection. In vitro experiments show that deletion of sphR increases sensitivity to the antimicrobial effects of sphingosine which could, in part, explain the in vivo phenotype. This is the first identification of a sphingosine-responsive transcription factor in bacteria. We predict that SphR transcriptional regulation may be important in response to many sites of infection in eukaryotes and the presence of homologous transcription factors in other pathogens suggests that sphingosine detection is not limited to P. aeruginosa.
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Affiliation(s)
- Annette E. LaBauve
- Department of Microbiology and Molecular Genetics and The Vermont Lung Center, University of Vermont College of Medicine, Burlington, Vermont, United States of America
| | - Matthew J. Wargo
- Department of Microbiology and Molecular Genetics and The Vermont Lung Center, University of Vermont College of Medicine, Burlington, Vermont, United States of America
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Gomez-Muñoz A, Gangoiti P, Arana L, Ouro A, Rivera IG, Ordoñez M, Trueba M. New insights on the role of ceramide 1-phosphate in inflammation. Biochim Biophys Acta Mol Cell Biol Lipids 2013; 1831:1060-6. [DOI: 10.1016/j.bbalip.2013.02.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Revised: 01/29/2013] [Accepted: 02/05/2013] [Indexed: 01/08/2023]
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Möhle R, Drost AC. G protein-coupled receptor crosstalk and signaling in hematopoietic stem and progenitor cells. Ann N Y Acad Sci 2012; 1266:63-7. [PMID: 22901257 DOI: 10.1111/j.1749-6632.2012.06559.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A variety of G protein-coupled receptors (GPCRs) is expressed in hematopoietic stem and progenitor cells (HPCs), including the chemokine receptor CXCR4, the leukotriene receptor CysLT1, the sphingosine 1-phosphate receptor S1P1, the cannabinoid receptor CB2, and the complement receptor C3aR. While the role of CXCR4 in stem cell homing is largely established, the function of the other GPCRs expressed in HPCs is only partially understood. CXCR4 and CysLT1 inhibit their own activation after ligand binding (homologous desensitization). Stimulation of S1P1 or C3aR has been shown to activate CXCR4 in HPCs that may sensitize CXCR4-dependent stem cell homing. In contrast, activation of CXCR4 results in a loss of CysLT1 function, which is most likely mediated by protein kinase C (PKC) signaling (heterologous desensitization) and could explain the ineffectiveness of CysLT1 antagonists to mobilize HPCs in vivo. Further characterization of GPCR crosstalk will allow a better understanding of HPC trafficking.
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Affiliation(s)
- Robert Möhle
- Department of Medicine II, University of Tübingen, Tübingen, Germany.
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Linke B, Schreiber Y, Zhang DD, Pierre S, Coste O, Henke M, Suo J, Fuchs J, Angioni C, Ferreiros-Bouzas N, Geisslinger G, Scholich K. Analysis of sphingolipid and prostaglandin synthesis during zymosan-induced inflammation. Prostaglandins Other Lipid Mediat 2012; 99:15-23. [DOI: 10.1016/j.prostaglandins.2012.06.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Revised: 06/12/2012] [Accepted: 06/14/2012] [Indexed: 10/28/2022]
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Kays JS, Li C, Nicol GD. Expression of sphingosine 1-phosphate receptors in the rat dorsal root ganglia and defined single isolated sensory neurons. Physiol Genomics 2012; 44:889-901. [PMID: 22805346 PMCID: PMC3472456 DOI: 10.1152/physiolgenomics.00053.2012] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Accepted: 07/13/2012] [Indexed: 12/13/2022] Open
Abstract
Previously, we demonstrated that sphingosine 1-phosphate (S1P) increased the excitability of small-diameter sensory neurons, in part, through activation of S1P receptor 1 (S1PR(1)), suggesting that other S1PRs can modulate neuronal excitability. Therefore, studies were undertaken to establish the expression profiles of S1PRs in the intact dorsal root ganglion (DRG) and in defined single isolated sensory neurons. To determine mRNA expression of S1PRs in the DRG, SYBR green quantitative PCR (qPCR) was used. To determine the expression of S1PR mRNAs in single neurons of defined diameters, a preamplification protocol utilizing Taqman primer and probes was used to enhance the sensitivity of detection. The preamplification protocol also permitted detection of mRNA for two hallmark neuronal receptor/ion channels, TRPV1 and P(2)X(3). Expression profiles of S1PR mRNA isolated from lung and brain were used as positive control tissues. In the intact DRG, the order of expression of S1PRs was S1PR(3)>>R(1)≈R(2)>R(5)≈R(4). In the single neurons, the expression of S1PRs was quite variable with some neurons expressing all five subtypes, whereas some expressing only one subtype. In contrast to the DRG, S1PR(1) was the highest expressing subtype in 10 of the 18 small-, medium-, and large-diameter sensory neurons. S1PR(1) was the second highest expressor in -50% of those remaining neurons. Overall, in the single neurons, the order of expression was S1PR(1)>>R(3)≈R(5)>R(4)>R(2). The results obtained from the single defined neurons are consistent with our previous findings wherein S1PR(1) plays a prominent but not exclusive role in the enhancement of neuronal excitability.
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Affiliation(s)
- J. S. Kays
- Department of Pharmacology and Toxicology, School of Medicine, Indiana University, Indianapolis, Indiana; and
| | - Chao Li
- Medical Neuroscience Program, School of Medicine, Indiana University, Indianapolis, Indiana
| | - G. D. Nicol
- Department of Pharmacology and Toxicology, School of Medicine, Indiana University, Indianapolis, Indiana; and
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Abstract
AbstractPlatelets survey blood vessels, searching for endothelial damage and preventing loss of vascular integrity. However, there are circumstances where vascular permeability increases, suggesting that platelets sometimes fail to fulfill their expected function. Human inflammatory arthritis is associated with tissue edema attributed to enhanced permeability of the synovial microvasculature. Murine studies have suggested that such vascular leak facilitates entry of autoantibodies and may thereby promote joint inflammation. Whereas platelets typically help to promote microvascular integrity, we examined the role of platelets in synovial vascular permeability in murine experimental arthritis. Using an in vivo model of autoimmune arthritis, we confirmed the presence of endothelial gaps in inflamed synovium. Surprisingly, permeability in the inflamed joints was abrogated if the platelets were absent. This effect was mediated by platelet serotonin accumulated via the serotonin transporter and could be antagonized using serotonin-specific reuptake inhibitor antidepressants. As opposed to the conventional role of platelets to microvascular leakage, this demonstration that platelets are capable of amplifying and maintaining permeability adds to the rapidly growing list of unexpected functions for platelets.
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Shaping the landscape: metabolic regulation of S1P gradients. Biochim Biophys Acta Mol Cell Biol Lipids 2012; 1831:193-202. [PMID: 22735358 DOI: 10.1016/j.bbalip.2012.06.007] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Revised: 06/15/2012] [Accepted: 06/17/2012] [Indexed: 12/11/2022]
Abstract
Sphingosine-1-phosphate (S1P) is a lipid that functions as a metabolic intermediate and a cellular signaling molecule. These roles are integrated when compartments with differing extracellular S1P concentrations are formed that serve to regulate functions within the immune and vascular systems, as well as during pathologic conditions. Gradients of S1P concentration are achieved by the organization of cells with specialized expression of S1P metabolic pathways within tissues. S1P concentration gradients underpin the ability of S1P signaling to regulate in vivo physiology. This review will discuss the mechanisms that are necessary for the formation and maintenance of S1P gradients, with the aim of understanding how a simple lipid controls complex physiology. This article is part of a Special Issue entitled Advances in Lysophospholipid Research.
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Harris GL, Creason MB, Brulte GB, Herr DR. In vitro and in vivo antagonism of a G protein-coupled receptor (S1P3) with a novel blocking monoclonal antibody. PLoS One 2012; 7:e35129. [PMID: 22496900 PMCID: PMC3320623 DOI: 10.1371/journal.pone.0035129] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Accepted: 03/13/2012] [Indexed: 11/24/2022] Open
Abstract
Background S1P3 is a lipid-activated G protein-couple receptor (GPCR) that has been implicated in the pathological processes of a number of diseases, including sepsis and cancer. Currently, there are no available high-affinity, subtype-selective drug compounds that can block activation of S1P3. We have developed a monoclonal antibody (7H9) that specifically recognizes S1P3 and acts as a functional antagonist. Methodology/Principal Findings Specific binding of 7H9 was demonstrated by immunocytochemistry using cells that over-express individual members of the S1P receptor family. We show, in vitro, that 7H9 can inhibit the activation of S1P3-mediated cellular processes, including arrestin translocation, receptor internalization, adenylate cyclase inhibiton, and calcium mobilization. We also demonstrate that 7H9 blocks activation of S1P3 in vivo, 1) by preventing lethality due to systemic inflammation, and 2) by altering the progression of breast tumor xenografts. Conclusions/Significance We have developed the first-reported monoclonal antibody that selectively recognizes a lipid-activated GPCR and blocks functional activity. In addition to serving as a lead drug compound for the treatment of sepsis and breast cancer, it also provides proof of concept for the generation of novel GPCR-specific therapeutic antibodies.
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Affiliation(s)
- Greg L. Harris
- Expression Drug Designs, LLC, San Marcos, California, United States of America
- Department of Biology, San Diego State University, San Diego, California, United States of America
| | - Michael B. Creason
- Expression Drug Designs, LLC, San Marcos, California, United States of America
| | - Greg B. Brulte
- Expression Drug Designs, LLC, San Marcos, California, United States of America
| | - Deron R. Herr
- Expression Drug Designs, LLC, San Marcos, California, United States of America
- Department of Biology, San Diego State University, San Diego, California, United States of America
- * E-mail:
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Al Gadban MM, German J, Truman JP, Soodavar F, Riemer EC, Twal WO, Smith KJ, Heller D, Hofbauer AF, Oates JC, Hammad SM. Lack of nitric oxide synthases increases lipoprotein immune complex deposition in the aorta and elevates plasma sphingolipid levels in lupus. Cell Immunol 2012; 276:42-51. [PMID: 22560558 DOI: 10.1016/j.cellimm.2012.03.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Revised: 02/01/2012] [Accepted: 03/29/2012] [Indexed: 11/25/2022]
Abstract
Systemic lupus erythematosus (SLE) patients display impaired endothelial nitric oxide synthase (eNOS) function required for normal vasodilatation. SLE patients express increased compensatory activity of inducible nitric oxide synthase (iNOS) generating excess nitric oxide that may result in inflammation. We examined the effects of genetic deletion of NOS2 and NOS3, encoding iNOS and eNOS respectively, on accelerated vascular disease in MRL/lpr lupus mouse model. NOS2 and NOS3 knockout (KO) MRL/lpr mice had higher plasma levels of triglycerides (23% and 35%, respectively), ceramide (45% and 21%, respectively), and sphingosine 1-phosphate (S1P) (21%) compared to counterpart MRL/lpr controls. Plasma levels of the anti-inflammatory cytokine interleukin 10 (IL-10) in NOS2 and NOS3 KO MRL/lpr mice were lower (53% and 80%, respectively) than counterpart controls. Nodule-like lesions in the adventitia were detected in aortas from both NOS2 and NOS3 KO MRL/lpr mice. Immunohistochemical evaluation of the lesions revealed activated endothelial cells and lipid-laden macrophages (foam cells), elevated sphingosine kinase 1 expression, and oxidized low-density lipoprotein immune complexes (oxLDL-IC). The findings suggest that advanced vascular disease in NOS2 and NOS3 KO MRL/lpr mice maybe mediated by increased plasma triglycerides, ceramide and S1P; decreased plasma IL-10; and accumulation of oxLDL-IC in the vessel wall. The results expose possible new targets to mitigate lupus-associated complications.
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Affiliation(s)
- Mohammed M Al Gadban
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
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