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Sabbadini R. Making a Difference. Eur J Transl Myol 2024. [PMID: 39105478 DOI: 10.4081/ejtm.2024.12811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Accepted: 07/22/2024] [Indexed: 08/07/2024] Open
Abstract
This is a personal account of one academic scientist who founded two biotechnology companies. Both companies were initially incubated within the walls of the university under a creative student incubator program whereby biology students could pursue their graduate academic degrees while gaining valuable biotechnology experiences. After the companies transitioned out of the university environment, the professor and his students pursued diagnostic and therapeutic drug development resulting in the completion of several clinical trials. The value of international scientific collaborations with colleagues at the University of Padova (Italy) is also described.
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Affiliation(s)
- Roger Sabbadini
- Department of Biology, San Diego State University, San Diego, California.
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2
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Phan F, Bourron O, Foufelle F, Le Stunff H, Hajduch E. Sphingosine-1-phosphate signalling in the heart: exploring emerging perspectives in cardiopathology. FEBS Lett 2024. [PMID: 38965662 DOI: 10.1002/1873-3468.14973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/23/2024] [Accepted: 06/12/2024] [Indexed: 07/06/2024]
Abstract
Cardiometabolic disorders contribute to the global burden of cardiovascular diseases. Emerging sphingolipid metabolites like sphingosine-1-phosphate (S1P) and its receptors, S1PRs, present a dynamic signalling axis significantly impacting cardiac homeostasis. S1P's intricate mechanisms extend to its transportation in the bloodstream by two specific carriers: high-density lipoprotein particles and albumin. This intricate transport system ensures the accessibility of S1P to distant target tissues, influencing several physiological processes critical for cardiovascular health. This review delves into the diverse functions of S1P and S1PRs in both physiological and pathophysiological conditions of the heart. Emphasis is placed on their diverse roles in modulating cardiac health, spanning from cardiac contractility, angiogenesis, inflammation, atherosclerosis and myocardial infarction. The intricate interplays involving S1P and its receptors are analysed concerning different cardiac cell types, shedding light on their respective roles in different heart diseases. We also review the therapeutic applications of targeting S1P/S1PRs in cardiac diseases, considering existing drugs like Fingolimod, as well as the prospects and challenges in developing novel therapies that selectively modulate S1PRs.
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Affiliation(s)
- Franck Phan
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
- Diabetology Department, Assistance Publique-Hôpitaux de Paris (APHP), La Pitié-Salpêtrière-Charles Foix University Hospital, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
| | - Olivier Bourron
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
- Diabetology Department, Assistance Publique-Hôpitaux de Paris (APHP), La Pitié-Salpêtrière-Charles Foix University Hospital, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
| | - Fabienne Foufelle
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
| | - Hervé Le Stunff
- Institut des Neurosciences Paris-Saclay, CNRS UMR 9197, Université Paris-Saclay, France
| | - Eric Hajduch
- INSERM, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
- Institut Hospitalo-Universitaire ICAN, Paris, France
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3
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Oliveira-Paula GH, Liu S, Maira A, Ressa G, Ferreira GC, Quintar A, Jayakumar S, Almonte V, Parikh D, Valenta T, Basler K, Hla T, Riascos-Bernal DF, Sibinga NES. The β-catenin C terminus links Wnt and sphingosine-1-phosphate signaling pathways to promote vascular remodeling and atherosclerosis. SCIENCE ADVANCES 2024; 10:eadg9278. [PMID: 38478616 PMCID: PMC10936954 DOI: 10.1126/sciadv.adg9278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 02/07/2024] [Indexed: 03/17/2024]
Abstract
Canonical Wnt and sphingosine-1-phosphate (S1P) signaling pathways are highly conserved systems that contribute to normal vertebrate development, with key consequences for immune, nervous, and cardiovascular system function; despite these functional overlaps, little is known about Wnt/β-catenin-S1P cross-talk. In the vascular system, both Wnt/β-catenin and S1P signals affect vessel maturation, stability, and barrier function, but information regarding their potential coordination is scant. We report an instance of functional interaction between the two pathways, including evidence that S1P receptor 1 (S1PR1) is a transcriptional target of β-catenin. By studying vascular smooth muscle cells and arterial injury response, we find a specific requirement for the β-catenin carboxyl terminus, which acts to induce S1PR1, and show that this interaction is essential for vascular remodeling. We also report that pharmacological inhibition of the β-catenin carboxyl terminus reduces S1PR1 expression, neointima formation, and atherosclerosis. These findings provide mechanistic understanding of how Wnt/β-catenin and S1P systems collaborate during vascular remodeling and inform strategies for therapeutic manipulation.
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Affiliation(s)
- Gustavo H. Oliveira-Paula
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Sophia Liu
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Alishba Maira
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Gaia Ressa
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Graziele C. Ferreira
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Amado Quintar
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Smitha Jayakumar
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Vanessa Almonte
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Dippal Parikh
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Tomas Valenta
- Institute of Molecular Life Sciences, University of Zurich, Zurich, Switzerland
| | - Konrad Basler
- Institute of Molecular Life Sciences, University of Zurich, Zurich, Switzerland
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, USA
| | - Dario F. Riascos-Bernal
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Nicholas E. S. Sibinga
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
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4
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Casella C, Kiles F, Urquhart C, Michaud DS, Kirwa K, Corlin L. Methylomic, Proteomic, and Metabolomic Correlates of Traffic-Related Air Pollution in the Context of Cardiorespiratory Health: A Systematic Review, Pathway Analysis, and Network Analysis. TOXICS 2023; 11:1014. [PMID: 38133415 PMCID: PMC10748071 DOI: 10.3390/toxics11121014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/18/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
A growing body of literature has attempted to characterize how traffic-related air pollution (TRAP) affects molecular and subclinical biological processes in ways that could lead to cardiorespiratory disease. To provide a streamlined synthesis of what is known about the multiple mechanisms through which TRAP could lead to cardiorespiratory pathology, we conducted a systematic review of the epidemiological literature relating TRAP exposure to methylomic, proteomic, and metabolomic biomarkers in adult populations. Using the 139 papers that met our inclusion criteria, we identified the omic biomarkers significantly associated with short- or long-term TRAP and used these biomarkers to conduct pathway and network analyses. We considered the evidence for TRAP-related associations with biological pathways involving lipid metabolism, cellular energy production, amino acid metabolism, inflammation and immunity, coagulation, endothelial function, and oxidative stress. Our analysis suggests that an integrated multi-omics approach may provide critical new insights into the ways TRAP could lead to adverse clinical outcomes. We advocate for efforts to build a more unified approach for characterizing the dynamic and complex biological processes linking TRAP exposure and subclinical and clinical disease and highlight contemporary challenges and opportunities associated with such efforts.
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Affiliation(s)
- Cameron Casella
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
| | - Frances Kiles
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
| | - Catherine Urquhart
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
| | - Dominique S. Michaud
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
| | - Kipruto Kirwa
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
- Department of Environmental Health, Boston University School of Public Health, Boston, MA 02118, USA
| | - Laura Corlin
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA; (C.C.); (F.K.); (C.U.); (D.S.M.); (K.K.)
- Department of Civil and Environmental Engineering, Tufts University School of Engineering, Medford, MA 02155, USA
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Schielke J, Ittermann T, Groß S, Moritz E, Nauck M, Friedrich N, Schwedhelm E, Rauch BH, Völzke H, Bülow R, Chamling B, Felix SB, Bahls M, Dörr M, Markus MRP. Sphingosine-1-phosphate levels are inversely associated with left ventricular and atrial chamber volume and cardiac mass in men : The Study of Health in Pomerania (SHIP). Clin Res Cardiol 2023; 112:1587-1599. [PMID: 37097463 PMCID: PMC10584720 DOI: 10.1007/s00392-023-02200-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 04/03/2023] [Indexed: 04/26/2023]
Abstract
AIMS Sphingosine-1-phosphate (S1P) is a signaling lipid, which is involved in several cellular processes including cell growth, proliferation, migration and apoptosis. The associations of serum S1P levels with cardiac geometry and function are still not clear. We investigated the associations of S1P with cardiac structure and systolic function in a population-based sample. METHODS AND RESULTS We performed cross-sectional analyses of 858 subjects (467 men; 54.4%), aged 22 to 81 years, from a sub-sample of the population-based Study of Health in Pomerania (SHIP-TREND-0). We analyzed the associations of serum S1P with structural and systolic function left ventricular (LV) and left atrial (LA) parameters as determined by magnetic resonance imaging (MRI) using sex-stratified multivariable-adjusted linear regression models. In men, MRI data showed that a 1 µmol/L lower S1P concentration was associated with an 18.1 mL (95% confidence interval [CI] 3.66-32.6; p = 0.014) larger LV end-diastolic volume (LVEDV), a 0.46 mm (95% CI 0.04-0.89; p = 0.034) greater LV wall thickness (LVWT) and a 16.3 g (95% CI 6.55-26.1; p = 0.001) higher LV mass (LVM). S1P was also associated with a 13.3 mL/beat (95% CI 4.49-22.1; p = 0.003) greater LV stroke volume (LVSV), an 18.7 cJ (95% CI 6.43-30.9; p = 0.003) greater LV stroke work (LVSW) and a 12.6 mL (95% CI 1.03-24.3; p = 0.033) larger LA end-diastolic volume (LAEDV). We did not find any significant associations in women. CONCLUSIONS In this population-based sample, lower levels of S1P were associated with higher LV wall thickness and mass, larger LV and LA chamber sizes and greater stroke volume and work of the LV in men, but not in women. Our results indicate that lower levels of S1P were associated with parameters related with cardiac geometry and systolic function in men, but not in women.
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Affiliation(s)
- Jan Schielke
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
| | - Till Ittermann
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of Study of Health in Pomerania/Clinical-Epidemiological Research, Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Stefan Groß
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
| | - Eileen Moritz
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of General Pharmacology, Institute of Pharmacology, University Medicine Greifswald, Greifswald, Germany
| | - Matthias Nauck
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Nele Friedrich
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Edzard Schwedhelm
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Centre for Cardiovascular Research (DZHK), Partnerartner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Bernhard H Rauch
- Department of Human Medicine, Section of Pharmacology and Toxicology, Carl Von Ossietzky University of Oldenburg, Oldenburg, Germany
| | - Henry Völzke
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of Study of Health in Pomerania/Clinical-Epidemiological Research, Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Robin Bülow
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute of Diagnostic Radiology and Neuroradiology, University Medicine Greifswald, Greifswald, Germany
| | - Bishwas Chamling
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
- Division of Cardiovascular Imaging, Department of Cardiology I, University Hospital Münster, Münster, Germany
| | - Stephan Burkhard Felix
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
| | - Martin Bahls
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
| | - Marcus Dörr
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany
| | - Marcello Ricardo Paulista Markus
- Department of Internal Medicine B, Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany.
- German Centre for Cardiovascular Research (DZHK), Partner Site Greifswald, Greifswald, Germany.
- German Center for Diabetes Research (DZD) Partner Site Greifswald, Greifswald, Germany.
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Casella C, Kiles F, Urquhart C, Michaud DS, Kirwa K, Corlin L. Methylomic, proteomic, and metabolomic correlates of traffic-related air pollution: A systematic review, pathway analysis, and network analysis relating traffic-related air pollution to subclinical and clinical cardiorespiratory outcomes. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.30.23296386. [PMID: 37873294 PMCID: PMC10592990 DOI: 10.1101/2023.09.30.23296386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
A growing body of literature has attempted to characterize how traffic-related air pollution (TRAP) affects molecular and subclinical biological processes in ways that could lead to cardiorespiratory disease. To provide a streamlined synthesis of what is known about the multiple mechanisms through which TRAP could lead cardiorespiratory pathology, we conducted a systematic review of the epidemiological literature relating TRAP exposure to methylomic, proteomic, and metabolomic biomarkers in adult populations. Using the 139 papers that met our inclusion criteria, we identified the omic biomarkers significantly associated with short- or long-term TRAP and used these biomarkers to conduct pathway and network analyses. We considered the evidence for TRAP-related associations with biological pathways involving lipid metabolism, cellular energy production, amino acid metabolism, inflammation and immunity, coagulation, endothelial function, and oxidative stress. Our analysis suggests that an integrated multi-omics approach may provide critical new insights into the ways TRAP could lead to adverse clinical outcomes. We advocate for efforts to build a more unified approach for characterizing the dynamic and complex biological processes linking TRAP exposure and subclinical and clinical disease, and highlight contemporary challenges and opportunities associated with such efforts.
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Affiliation(s)
- Cameron Casella
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Frances Kiles
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Catherine Urquhart
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Dominique S. Michaud
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Kipruto Kirwa
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
- Department of Environmental Health, Boston University School of Public Health, Boston, MA, 02118, USA
| | - Laura Corlin
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA 02111, USA
- Department of Civil and Environmental Engineering, Tufts University School of Engineering, Medford, MA 02155, USA
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El-Amouri S, Karakashian A, Bieberich E, Nikolova-Karakashian M. Regulated translocation of neutral sphingomyelinase-2 to the plasma membrane drives insulin resistance in steatotic hepatocytes. J Lipid Res 2023; 64:100435. [PMID: 37640282 PMCID: PMC10550728 DOI: 10.1016/j.jlr.2023.100435] [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: 06/23/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023] Open
Abstract
Obesity-associated diabetes is linked to the accumulation of ceramide in various organs, including the liver. The exact mechanisms by which ceramide contributes to diabetic pathology are unclear, but one proposed scenario is that ceramide accumulation may inhibit insulin signaling pathways. It is unknown however whether the excess ceramide is generated proximal to the insulin receptor, that is, at the plasma membrane (PM), where it could affect the insulin signaling pathway directly, or the onset of insulin resistance is due to ceramide-induced mitochondrial dysfunction and/or lipotoxicity. Using hepatic cell lines and primary cultures, gain- and loss- of function approach, and state-of-the art lipid imaging, this study shows that PM-associated neutral sphingomyelinase 2 (nSMase2) regulates ceramide homeostasis in fat-loaded hepatocytes and drives the onset of insulin resistance. Our results provide evidence of a regulated translocation of nSMase2 to the PM which leads to local generation of ceramide and insulin resistance in cells treated with palmitic acid (PAL), a type of fat commonly found in diabetogenic diets. Oleic acid, which also causes accumulation of lipid droplets, does not induce nSMase2 translocation and insulin resistance. Experiments using the acyl-biotin exchange method to quantify protein palmitoylation show that cellular PAL abundance regulates the rate of nSMase2 palmitoylation. Furthermore, while inhibition of nSMase2 with GW4869 prevents PAL-induced insulin resistance, the overexpression of wild type nSMase2 but not palmitoylation-defective mutant protein potentiates the suppressive effect of PAL on insulin signaling. Overall, this study identifies nSMase2 as a novel component of the mechanism of insulin resistance onset in fat-loaded hepatocytes, that is, cell-autonomous and driven by PAL.
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Affiliation(s)
- S El-Amouri
- Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - A Karakashian
- Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - E Bieberich
- Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - M Nikolova-Karakashian
- Department of Physiology, University of Kentucky College of Medicine, Lexington, KY, USA.
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Rhee J, Loftfield E, Albanes D, Layne TM, Stolzenberg-Solomon R, Liao LM, Playdon MC, Berndt SI, Sampson JN, Freedman ND, Moore SC, Purdue MP. A metabolomic investigation of serum perfluorooctane sulfonate and perfluorooctanoate. ENVIRONMENT INTERNATIONAL 2023; 180:108198. [PMID: 37716341 PMCID: PMC10591812 DOI: 10.1016/j.envint.2023.108198] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 07/10/2023] [Accepted: 09/07/2023] [Indexed: 09/18/2023]
Abstract
BACKGROUND Exposures to perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA), environmentally persistent chemicals detectable in the blood of most Americans, have been associated with several health outcomes. To offer insight into their possible biologic effects, we evaluated the metabolomic correlates of circulating PFOS and PFOA among 3,647 participants in eight nested case-control serum metabolomic profiling studies from the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. METHODS Metabolomic profiling was conducted by Metabolon Inc., using ultra high-performance liquid chromatography/tandem accurate mass spectrometry. We conducted study-specific multivariable linear regression analyses estimating the associations of metabolite levels with levels of PFOS or PFOA. For metabolites measured in at least 3 of 8 nested case-control studies, random effects meta-analysis was used to summarize study-specific results (1,038 metabolites in PFOS analyses and 1,100 in PFOA analyses). RESULTS The meta-analysis identified 51 and 38 metabolites associated with PFOS and PFOA, respectively, at a Bonferroni-corrected significance level (4.8x10-5 and 4.6x10-5, respectively). For both PFOS and PFOA, the most common types of associated metabolites were lipids (sphingolipids, fatty acid metabolites) and xenobiotics (xanthine metabolites, chemicals). Positive associations were commonly observed with lipid metabolites sphingomyelin (d18:1/18:0) (P = 2.0x10-10 and 2.0x10-8, respectively), 3-carboxy-4-methyl-5-pentyl-2-furanpropionate (P = 2.7x10-15, 1.1x10-17), and lignoceroylcarnitine (C24) (P = 2.6x10-8, 6.2x10-6). The strongest positive associations were observed for chemicals 3,5-dichloro-2,6-dihydroxybenzoic acid (P = 3.0x10-112 and 6.8x10-13, respectively) and 3-bromo-5-chloro-2,6-dihydroxybenzoic acid (P = 1.6x10-14, 2.3x10-6). Other metabolites positively associated with PFOS included D-glucose (carbohydrate), carotene diol (vitamin A metabolism), and L-alpha-aminobutyric acid (glutathione metabolism), while uric acid (purine metabolite) was positively associated with PFOA. PFOS associations were consistent even after adjusting for PFOA as a covariate, while PFOA associations were greatly attenuated with PFOS adjustment. CONCLUSIONS In this large metabolomic study, we observed robust positive associations with PFOS for several molecules. Further investigation of these metabolites may offer insight into PFOS-related biologic effects.
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Affiliation(s)
- Jongeun Rhee
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Erikka Loftfield
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Demetrius Albanes
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Tracy M Layne
- Department of Obstetrics, Gynecology, and Reproductive Science, and Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rachael Stolzenberg-Solomon
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Linda M Liao
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Mary C Playdon
- Department of Nutrition and Integrative Physiology, University of Utah and Cancer Control and Population Sciences Program, Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Sonja I Berndt
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Joshua N Sampson
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Neal D Freedman
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Steven C Moore
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA
| | - Mark P Purdue
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA.
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9
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Jiang Y, Huang Z, Li X, Zhou L, Zhu X, Chen F, Shi Y. Inhibition of SK2 and ER stress ameliorated inflammation and apoptosis in liver ischemia-reperfusion injury. Liver Transpl 2023; 29:1050-1062. [PMID: 37439666 DOI: 10.1097/lvt.0000000000000210] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 05/14/2023] [Indexed: 07/14/2023]
Abstract
Ischemia-reperfusion injury (IRI) remains a major cause of mortality and morbidity after liver surgery. Endoplasmic reticulum (ER) stress is a critical mechanism of inflammatory injury during hepatic IRI. In this study, we investigated the effect of sphingosine kinases 2 (SK2) on ER stress and hepatic IRI. We established hepatic IRI mice and hepatocellular hypoxia/reoxygenation in vitro model. We observed the SK2 and ER stress protein IRE1α expression. Then, we used an SK2 inhibitor and knocked down IRE1α/SK2, to observe the effect of SK2 during IRI. Our results showed that the expression of ER stress and SK2 was significantly elevated during hepatic IRI. Inhibition of SK2 ameliorated liver inflammation and reduced cell apoptosis in hepatic IRI mice. Consistently, we found that the inhibition of IRE1α also downregulated SK2 expression and reduced mitochondrial membrane permeability. Furthermore, the knockdown of SK2 could also reduce cell damage and reduce the expression of inflammatory factors but did not influence ER stress-related signaling pathway. Taken together, our results suggested that ER stress and SK2 played important and regulatory roles in hepatic IRI. Inhibition of ER stress and SK2 could significantly improve liver function after hepatic IRI.
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Affiliation(s)
- Yiya Jiang
- Abdominal Transplantation Center, General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of General Practice, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhaoshuai Huang
- Abdominal Transplantation Center, General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xianpeng Li
- Abdominal Transplantation Center, General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liuzhi Zhou
- Department of Hepato-biliary & Pancreas Surgery, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Xiuping Zhu
- Department of Pharmacy, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Feng Chen
- Department of Radiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanjun Shi
- Abdominal Transplantation Center, General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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10
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Gaggini M, Fenizia S, Vassalle C. Sphingolipid Levels and Signaling via Resveratrol and Antioxidant Actions in Cardiometabolic Risk and Disease. Antioxidants (Basel) 2023; 12:antiox12051102. [PMID: 37237968 DOI: 10.3390/antiox12051102] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/08/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Resveratrol (RSV) is a phenolic compound with strong antioxidant activity, which is generally associated with the beneficial effects of wine on human health. All resveratrol-mediated benefits exerted on different systems and pathophysiological conditions are possible through resveratrol's interactions with different biological targets, along with its involvement in several key cellular pathways affecting cardiometabolic (CM) health. With regard to its role in oxidative stress, RSV exerts its antioxidant activity not only as a free radical scavenger but also by increasing the activity of antioxidant enzymes and regulating redox genes, nitric oxide bioavailability and mitochondrial function. Moreover, several studies have demonstrated that some RSV effects are mediated by changes in sphingolipids, a class of biolipids involved in a number of cellular functions (e.g., apoptosis, cell proliferation, oxidative stress and inflammation) that have attracted interest as emerging critical determinants of CM risk and disease. Accordingly, this review aimed to discuss the available data regarding the effects of RSV on sphingolipid metabolism and signaling in CM risk and disease, focusing on oxidative stress/inflammatory-related aspects, and the clinical implications of this relationship.
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Affiliation(s)
- Melania Gaggini
- Institute of Clinical Physiology, National Research Council of Italy (CNR), Via Moruzzi 1, I-56124 Pisa, Italy
| | - Simona Fenizia
- Institute of Clinical Physiology, National Research Council of Italy (CNR), Via Moruzzi 1, I-56124 Pisa, Italy
| | - Cristina Vassalle
- Fondazione G. Monasterio CNR-Regione Toscana, Via Moruzzi 1, I-56124 Pisa, Italy
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11
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Borodzicz-Jażdżyk S, Jażdżyk P, Łysik W, Cudnoch-Jȩdrzejewska A, Czarzasta K. Sphingolipid metabolism and signaling in cardiovascular diseases. Front Cardiovasc Med 2022; 9:915961. [PMID: 36119733 PMCID: PMC9471951 DOI: 10.3389/fcvm.2022.915961] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 08/05/2022] [Indexed: 01/10/2023] Open
Abstract
Sphingolipids are a structural component of the cell membrane, derived from sphingosine, an amino alcohol. Its sphingoid base undergoes various types of enzymatic transformations that lead to the formation of biologically active compounds, which play a crucial role in the essential pathways of cellular signaling, proliferation, maturation, and death. The constantly growing number of experimental and clinical studies emphasizes the pivotal role of sphingolipids in the pathophysiology of cardiovascular diseases, including, in particular, ischemic heart disease, hypertension, heart failure, and stroke. It has also been proven that altering the sphingolipid metabolism has cardioprotective properties in cardiac pathologies, including myocardial infarction. Recent studies suggest that selected sphingolipids may serve as valuable biomarkers useful in the prognosis of cardiovascular disorders in clinical practice. This review aims to provide an overview of the current knowledge of sphingolipid metabolism and signaling in cardiovascular diseases.
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Affiliation(s)
- Sonia Borodzicz-Jażdżyk
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Piotr Jażdżyk
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
- Second Department of Psychiatry, Institute of Psychiatry and Neurology in Warsaw, Warsaw, Poland
| | - Wojciech Łysik
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Agnieszka Cudnoch-Jȩdrzejewska
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Katarzyna Czarzasta
- Chair and Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
- *Correspondence: Katarzyna Czarzasta,
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12
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Deng S, Ao Z, Liu B, She Q, Du J, Liu Y, Jing X. Correlation between plasma sphingosine-1-phosphate and the occurrence and severity of coronary heart disease in postmenopausal women. Menopause 2022; 29:920-925. [PMID: 35881936 DOI: 10.1097/gme.0000000000002004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Sphingosine-1-phosphate (S1P) is a bioactive sphingosine with antiatherosclerotic effects. The incidence of coronary heart disease (CHD) increases significantly among women after menopause. We explored the relationship between plasma S1P levels and the occurrence and severity of CHD in postmenopausal women. METHODS Postmenopausal women admitted to our hospital for coronary angiography because of chest pain-like symptoms were included in our study. By 1:1 age matching (age difference ≤5 y), 166 women in the CHD group and control group were enrolled. The plasma S1P concentration was determined, and the Gensini score was calculated to decide the severity of CHD. RESULTS Plasma S1P levels were significantly lower in the CHD group of postmenopausal women ( P < 0.001). S1P (odds ratio, 0.952; 95% CI, 0.934-0.970) was an independent predictor of the occurrence of CHD in postmenopausal women. The area under the curve for S1P to predict the occurrence of CHD was 0.653 (95% CI, 0.595-0.712), and the cutoff value was 96.89 ng/mL. The plasma S1P level was the lowest in the high-tertile group of the Gensini score ( P < 0.001), and the plasma S1P (odds ratio, 0.948; 95% CI, 0.926-0.970) was an independent predictor of a high Gensini score in postmenopausal women with CHD. CONCLUSIONS Plasma S1P is an independent risk factor of the occurrence and severity of CHD in postmenopausal women. The occurrence and aggravation of CHD in postmenopausal women may be related to levels of S1P.
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Affiliation(s)
- Songbai Deng
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zehui Ao
- the Department of Cardiology, People's Hospital of Xiushan Country, Chongqing, China
| | - Bin Liu
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qiang She
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jianlin Du
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yajie Liu
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaodong Jing
- From the Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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13
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Sex Differences in Cardiovascular Diseases: A Matter of Estrogens, Ceramides, and Sphingosine 1-Phosphate. Int J Mol Sci 2022; 23:ijms23074009. [PMID: 35409368 PMCID: PMC8999971 DOI: 10.3390/ijms23074009] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 12/30/2022] Open
Abstract
The medical community recognizes sex-related differences in pathophysiology and cardiovascular disease outcomes (CVD), culminating with heart failure. In general, pre-menopausal women tend to have a better prognosis than men. Explaining why this occurs is not a simple matter. For decades, sex hormones like estrogens (Es) have been identified as one of the leading factors driving these sex differences. Indeed, Es seem protective in women as their decline, during and after menopause, coincides with an increased CV risk and HF development. However, clinical trials demonstrated that E replacement in post-menopause women results in adverse cardiac events and increased risk of breast cancer. Thus, a deeper understanding of E-related mechanisms is needed to provide a vital gateway toward better CVD prevention and treatment in women. Of note, sphingolipids (SLs) and their metabolism are strictly related to E activities. Among the SLs, ceramide and sphingosine 1-phosphate play essential roles in mammalian physiology, particularly in the CV system, and appear differently modulated in males and females. In keeping with this view, here we explore the most recent experimental and clinical observations about the role of E and SL metabolism, emphasizing how these factors impact the CV system.
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14
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Effect of Empagliflozin on Sphingolipid Catabolism in Diabetic and Hypertensive Rats. Int J Mol Sci 2022; 23:ijms23052883. [PMID: 35270028 PMCID: PMC8910883 DOI: 10.3390/ijms23052883] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 11/30/2022] Open
Abstract
The profile of sphingomyelin and its metabolites shows changes in the plasma, organs, and tissues of patients with cardiovascular, renal, and metabolic diseases. The objective of this study was to investigate the effect of empagliflozin on the levels of sphingomyelin and its metabolites, as well as on the activity of acid and neutral sphingomyelinase (aSMase and nSMase) and neutral ceramidase (nCDase) in the plasma, kidney, heart, and liver of streptozotocin-induced diabetic and Angiotensin II (Ang II)-induced hypertension rats. Empagliflozin treatment decreased hyperglycemia in diabetic rats whereas blood pressure remained elevated in hypertensive rats. In diabetic rats, empagliflozin treatment decreased sphingomyelin in the plasma and liver, ceramide in the heart, sphingosine-1-phosphate (S1P) in the kidney, and nCDase activity in the plasma, heart, and liver. In hypertensive rats, empagliflozin treatment decreased sphingomyelin in the plasma, kidney, and liver; S1P in the plasma and kidney; aSMase in the heart, and nCDase activity in the plasma, kidney, and heart. Our results suggest that empagliflozin downregulates the interaction of the de novo pathway and the catabolic pathway of sphingolipid metabolism in the diabetes, whereas in Ang II-dependent hypertension, it only downregulates the sphingolipid catabolic pathway.
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15
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Rotheudt L, Moritz E, Markus MR, Albrecht D, Völzke H, Friedrich N, Schwedhelm E, Daum G, Schminke U, Felix SB, Rauch BH, Dörr M, Bahls M. Sphingosine-1-phosphate and vascular disease in the general population. Atherosclerosis 2022; 350:73-81. [DOI: 10.1016/j.atherosclerosis.2022.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/28/2022]
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16
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Di Pietro P, Carrizzo A, Sommella E, Oliveti M, Iacoviello L, Di Castelnuovo A, Acernese F, Damato A, De Lucia M, Merciai F, Iesu P, Venturini E, Izzo R, Trimarco V, Ciccarelli M, Giugliano G, Carnevale R, Cammisotto V, Migliarino S, Virtuoso N, Strianese A, Izzo V, Campiglia P, Ciaglia E, Levkau B, Puca AA, Vecchione C. Targeting the ASMase/S1P pathway protects from sortilin-evoked vascular damage in hypertension. J Clin Invest 2022; 132:146343. [PMID: 35104805 PMCID: PMC8803332 DOI: 10.1172/jci146343] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 11/24/2021] [Indexed: 12/24/2022] Open
Abstract
Sortilin has been positively correlated with vascular disorders in humans. No study has yet evaluated the possible direct effect of sortilin on vascular function. We used pharmacological and genetic approaches coupled with study of murine and human samples to unravel the mechanisms recruited by sortilin in the vascular system. Sortilin induced endothelial dysfunction of mesenteric arteries through NADPH oxidase 2 (NOX2) isoform activation, dysfunction that was prevented by knockdown of acid sphingomyelinase (ASMase) or sphingosine kinase 1. In vivo, recombinant sortilin administration induced arterial hypertension in WT mice. In contrast, genetic deletion of sphingosine-1-phosphate receptor 3 (S1P3) and gp91phox/NOX2 resulted in preservation of endothelial function and blood pressure homeostasis after 14 days of systemic sortilin administration. Translating these research findings into the clinical setting, we detected elevated sortilin levels in hypertensive patients with endothelial dysfunction. Furthermore, in a population-based cohort of 270 subjects, we showed increased plasma ASMase activity and increased plasma levels of sortilin, S1P, and soluble NOX2-derived peptide (sNOX2-dp) in hypertensive subjects, and the increase was more pronounced in hypertensive subjects with uncontrolled blood pressure. Our studies reveal what we believe is a previously unrecognized role of sortilin in the impairment of vascular function and in blood pressure homeostasis and suggest the potential of sortilin and its mediators as biomarkers for the prediction of vascular dysfunction and high blood pressure.
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Affiliation(s)
- Paola Di Pietro
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Albino Carrizzo
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy.,Department of Vascular Physiopathology, IRCCS Neuromed, Pozzilli, Italy
| | - Eduardo Sommella
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano, Italy
| | - Marco Oliveti
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Licia Iacoviello
- Department of Medicine and Surgery, Research Center in Epidemiology and Preventive Medicine (EPIMED), University of Insubria, Varese, Italy.,Department of Epidemiology and Prevention, IRCCS Neuromed, Pozzilli, Italy
| | | | - Fausto Acernese
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano, Italy
| | - Antonio Damato
- Department of Vascular Physiopathology, IRCCS Neuromed, Pozzilli, Italy
| | | | - Fabrizio Merciai
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano, Italy.,PhD Program in Drug Discovery and Development, University of Salerno, Fisciano, Italy
| | - Paola Iesu
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | | | - Raffaele Izzo
- Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | - Valentina Trimarco
- Department of Neuroscience, Reproductive Sciences and Dentistry, University of Naples Federico II, Naples, Italy
| | - Michele Ciccarelli
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Giuseppe Giugliano
- Department of Advanced Biomedical Sciences, University of Naples Federico II, Naples, Italy
| | - Roberto Carnevale
- Mediterranea Cardiocentro, Naples, Italy.,Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Vittoria Cammisotto
- Department of General Surgery and Surgical Speciality Paride Stefanini, Sapienza University of Rome, Rome, Italy
| | - Serena Migliarino
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, Catanzaro, Italy
| | - Nicola Virtuoso
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Andrea Strianese
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Viviana Izzo
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Pietro Campiglia
- Department of Pharmacy, School of Pharmacy, University of Salerno, Fisciano, Italy.,European Biomedical Research Institute of Salerno (EBRIS), Salerno, Italy
| | - Elena Ciaglia
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy
| | - Bodo Levkau
- Institute for Molecular Medicine III, Heinrich-Heine-University, Medical Faculty, Cardiovascular Research Institute Düsseldorf (CARID), Düsseldorf, Germany
| | - Annibale A Puca
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy.,Ageing Unit, IRCCS MultiMedica, Milan, Italy
| | - Carmine Vecchione
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana" University of Salerno, Baronissi, Italy.,Department of Vascular Physiopathology, IRCCS Neuromed, Pozzilli, Italy
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17
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Warboys CM, Weinberg PD. S1P in the development of atherosclerosis: roles of hemodynamic wall shear stress and endothelial permeability. Tissue Barriers 2021; 9:1959243. [PMID: 34542010 DOI: 10.1080/21688370.2021.1959243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Atherosclerosis is characterized by focal accumulations of lipid within the arterial wall, thought to arise from effects of hemodynamic wall shear stress (WSS) on endothelial permeability. Identifying pathways that mediate the effects of shear on permeability could therefore provide new therapeutic opportunities. Here, we consider whether the sphingosine-1-phosphate (S1P) pathway could constitute such a route. We review effects of S1P in endothelial barrier function, the influence of WSS on S1P production and signaling, the results of trials investigating S1P in experimental atherosclerosis in mice, and associations between S1P levels and cardiovascular disease in humans. Although it seems clear that S1P reduces endothelial permeability and responds to WSS, the evidence that it influences atherosclerosis is equivocal. The effects of specifically pro- and anti-atherosclerotic WSS profiles on the S1P pathway require investigation, as do influences of S1P on the vesicular pathways likely to dominate low-density lipoprotein transport across endothelium.
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Affiliation(s)
- Christina M Warboys
- Department of Comparative Biomedical Sciences, Royal Veterinary College, London, UK
| | - Peter D Weinberg
- Department of Bioengineering, Imperial College London, London, UK
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18
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Jujic A, Matthes F, Vanherle L, Petzka H, Orho-Melander M, Nilsson PM, Magnusson M, Meissner A. Plasma S1P (Sphingosine-1-Phosphate) Links to Hypertension and Biomarkers of Inflammation and Cardiovascular Disease: Findings From a Translational Investigation. Hypertension 2021; 78:195-209. [PMID: 33993723 DOI: 10.1161/hypertensionaha.120.17379] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Amra Jujic
- Department of Clinical Sciences (A.J., M.O.-M., P.M.N., M.M.), Lund University, Malmö, Sweden
- Wallenberg Centre for Molecular Medicine (A.J., F.M., L.V., M.M., A.M.), Lund University, Malmö, Sweden
- Lund University Diabetes Centre (A.J.), Lund University, Malmö, Sweden
| | - Frank Matthes
- Wallenberg Centre for Molecular Medicine (A.J., F.M., L.V., M.M., A.M.), Lund University, Malmö, Sweden
- Department of Experimental Medical Sciences (F.M., L.V., A.M.), Lund University, Malmö, Sweden
| | - Lotte Vanherle
- Wallenberg Centre for Molecular Medicine (A.J., F.M., L.V., M.M., A.M.), Lund University, Malmö, Sweden
- Department of Experimental Medical Sciences (F.M., L.V., A.M.), Lund University, Malmö, Sweden
| | - Henning Petzka
- Department of Mathematics, Lund Technical University, Sweden (H.P.)
| | - Marju Orho-Melander
- Department of Clinical Sciences (A.J., M.O.-M., P.M.N., M.M.), Lund University, Malmö, Sweden
| | - Peter M Nilsson
- Department of Clinical Sciences (A.J., M.O.-M., P.M.N., M.M.), Lund University, Malmö, Sweden
- Department of Internal Medicine, Clinical Research Unit, Malmö, Sweden (P.M.N.)
| | - Martin Magnusson
- Department of Clinical Sciences (A.J., M.O.-M., P.M.N., M.M.), Lund University, Malmö, Sweden
- Wallenberg Centre for Molecular Medicine (A.J., F.M., L.V., M.M., A.M.), Lund University, Malmö, Sweden
- Hypertension in Africa Research Team, North West University Potchefstroom, South Africa (M.M.)
- Department of Cardiology, Skåne University Hospital, Malmö, Sweden (M.M.)
| | - Anja Meissner
- Department of Clinical Sciences (A.J., M.O.-M., P.M.N., M.M.), Lund University, Malmö, Sweden
- Department of Experimental Medical Sciences (F.M., L.V., A.M.), Lund University, Malmö, Sweden
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19
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Song JH, Kim GT, Park KH, Park WJ, Park TS. Bioactive Sphingolipids as Major Regulators of Coronary Artery Disease. Biomol Ther (Seoul) 2021; 29:373-383. [PMID: 33903284 PMCID: PMC8255146 DOI: 10.4062/biomolther.2020.218] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 12/31/2022] Open
Abstract
Atherosclerosis is the deposition of plaque in the main arteries. It is an inflammatory condition involving the accumulation of macrophages and various lipids (low-density lipoprotein [LDL] cholesterol, ceramide, S1P). Moreover, endothelial cells, macrophages, leukocytes, and smooth muscle cells are the major players in the atherogenic process. Sphingolipids are now emerging as important regulators in various pathophysiological processes, including the atherogenic process. Various sphingolipids exist, such as the ceramides, ceramide-1-phosphate, sphingosine, sphinganine, sphingosine-1-phosphate (S1P), sphingomyelin, and hundreds of glycosphingolipids. Among these, ceramides, glycosphingolipids, and S1P play important roles in the atherogenic processes. The atherosclerotic plaque consists of higher amounts of ceramide, glycosphingolipids, and sphingomyelin. The inhibition of the de novo ceramide biosynthesis reduces the development of atherosclerosis. S1P regulates atherogenesis via binding to the S1P receptor (S1PR). Among the five S1PRs (S1PR1-5), S1PR1 and S1PR3 mainly exert anti-atherosclerotic properties. This review mainly focuses on the effects of ceramide and S1P via the S1PR in the development of atherosclerosis. Moreover, it discusses the recent findings and potential therapeutic implications in atherosclerosis.
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Affiliation(s)
- Jae-Hwi Song
- Department of Life Science, Gachon University, Sungnam 13120, Republic of Korea
| | - Goon-Tae Kim
- Department of Life Science, Gachon University, Sungnam 13120, Republic of Korea
| | - Kyung-Ho Park
- Department of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
| | - Woo-Jae Park
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
| | - Tae-Sik Park
- Department of Life Science, Gachon University, Sungnam 13120, Republic of Korea
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20
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Nayor M, Shah RV, Miller PE, Blodgett JB, Tanguay M, Pico AR, Murthy VL, Malhotra R, Houstis NE, Deik A, Pierce KA, Bullock K, Dailey L, Velagaleti RS, Moore SA, Ho JE, Baggish AL, Clish CB, Larson MG, Vasan RS, Lewis GD. Metabolic Architecture of Acute Exercise Response in Middle-Aged Adults in the Community. Circulation 2020; 142:1905-1924. [PMID: 32927962 PMCID: PMC8049528 DOI: 10.1161/circulationaha.120.050281] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Whereas regular exercise is associated with lower risk of cardiovascular disease and mortality, mechanisms of exercise-mediated health benefits remain less clear. We used metabolite profiling before and after acute exercise to delineate the metabolic architecture of exercise response patterns in humans. METHODS Cardiopulmonary exercise testing and metabolite profiling was performed on Framingham Heart Study participants (age 53±8 years, 63% women) with blood drawn at rest (n=471) and at peak exercise (n=411). RESULTS We observed changes in circulating levels for 502 of 588 measured metabolites from rest to peak exercise (exercise duration 11.9±2.1 minutes) at a 5% false discovery rate. Changes included reductions in metabolites implicated in insulin resistance (glutamate, -29%; P=1.5×10-55; dimethylguanidino valeric acid [DMGV], -18%; P=5.8×10-18) and increases in metabolites associated with lipolysis (1-methylnicotinamide, +33%; P=6.1×10-67), nitric oxide bioavailability (arginine/ornithine + citrulline, +29%; P=2.8×10-169), and adipose browning (12,13-dihydroxy-9Z-octadecenoic acid +26%; P=7.4×10-38), among other pathways relevant to cardiometabolic risk. We assayed 177 metabolites in a separate Framingham Heart Study replication sample (n=783, age 54±8 years, 51% women) and observed concordant changes in 164 metabolites (92.6%) at 5% false discovery rate. Exercise-induced metabolite changes were variably related to the amount of exercise performed (peak workload), sex, and body mass index. There was attenuation of favorable excursions in some metabolites in individuals with higher body mass index and greater excursions in select cardioprotective metabolites in women despite less exercise performed. Distinct preexercise metabolite levels were associated with different physiologic dimensions of fitness (eg, ventilatory efficiency, exercise blood pressure, peak Vo2). We identified 4 metabolite signatures of exercise response patterns that were then analyzed in a separate cohort (Framingham Offspring Study; n=2045, age 55±10 years, 51% women), 2 of which were associated with overall mortality over median follow-up of 23.1 years (P≤0.003 for both). CONCLUSIONS In a large sample of community-dwelling individuals, acute exercise elicits widespread changes in the circulating metabolome. Metabolic changes identify pathways central to cardiometabolic health, cardiovascular disease, and long-term outcome. These findings provide a detailed map of the metabolic response to acute exercise in humans and identify potential mechanisms responsible for the beneficial cardiometabolic effects of exercise for future study.
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Affiliation(s)
- Matthew Nayor
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Ravi V. Shah
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Patricia E. Miller
- Department of Biostatistics, Boston University School of Public Health, Boston, MA
| | - Jasmine B. Blodgett
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Melissa Tanguay
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Alexander R. Pico
- Institute of Data Science and Biotechnology, Gladstone Institutes, San Francisco, CA
| | - Venkatesh L. Murthy
- Division of Cardiovascular Medicine, Department of Medicine, University of Michigan, Ann Arbor
- Frankel Cardiovascular Center, University of Michigan, Ann Arbor
| | - Rajeev Malhotra
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA
| | - Nicholas E. Houstis
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Amy Deik
- Broad Institute of MIT and Harvard, Cambridge, MA
| | | | | | - Lucas Dailey
- Broad Institute of MIT and Harvard, Cambridge, MA
| | - Raghava S. Velagaleti
- Cardiology Section, Department of Medicine, Boston VA Healthcare System, West Roxbury, MA
| | - Stephanie A. Moore
- Cardiology Section, Department of Medicine, Boston VA Healthcare System, West Roxbury, MA
| | - Jennifer E. Ho
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Aaron L. Baggish
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - Martin G. Larson
- Department of Biostatistics, Boston University School of Public Health, Boston, MA
- Boston University’s and National Heart, Lung, and Blood Institute’s Framingham Heart Study, Framingham, MA
| | - Ramachandran S. Vasan
- Boston University’s and National Heart, Lung, and Blood Institute’s Framingham Heart Study, Framingham, MA
- Sections of Preventive Medicine and Epidemiology, and Cardiology, Department of Medicine, Boston University School of Medicine, Boston, MA
| | - Gregory D. Lewis
- Cardiology Division and the Simches Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA
- Pulmonary Critical Care Unit, Massachusetts General Hospital, Boston, MA
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21
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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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22
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Liu J, Sugimoto K, Cao Y, Mori M, Guo L, Tan G. Serum Sphingosine 1-Phosphate (S1P): A Novel Diagnostic Biomarker in Early Acute Ischemic Stroke. Front Neurol 2020; 11:985. [PMID: 33013650 PMCID: PMC7505997 DOI: 10.3389/fneur.2020.00985] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/28/2020] [Indexed: 01/08/2023] Open
Abstract
Background: Sphingosine 1-phosphate (S1P) is a lipid metabolite that mediates various physiological processes, including vascular endothelial cell function, inflammation, coagulation/thrombosis, and angiogenesis. As a result, S1P may contribute to the pathogenesis of stroke. Objective: This study aimed to evaluate the diagnostic value of serum S1P in acute stroke. Method: A total of 72 patients with ischemic stroke, 36 patients with hemorrhagic stroke, and 65 controls were enrolled. Serum S1P was detected by enzyme-linked immunosorbent assay (ELISA). Results: Receiver operating characteristic curve analysis demonstrated that serum S1P could discriminate ischemic stroke from hemorrhagic stroke in both total population and subgroup analyses of samples obtained within 24 h of symptom onset (subgroup < 24h) (area under curve, AUCTotal = 0.64, P = 0.017; AUCSubgroup < 24h = 0.91, P < 0.001) and controls (AUCTotal = 0.62, P = 0.013; AUCSubgroup <24h = 0.83, P < 0.001). Furthermore, S1P showed higher efficacy than high-density lipoprotein cholesterol (HDL-C) in discriminating ischemic stroke from controls in the total population (PS1P = 0.013, PHDL−C = 0.366) and in the subgroup analysis (i.e., <24 h; PS1P < 0.001, PHDL−C = 0.081). Additionally, lower serum S1P was associated with cervical artery plaques (P = 0.021) in controls and with dyslipidemia (P = 0.036) and milder neurological impairment evaluated by the National Institute of Health Stroke Scale (NIHSS, P = 0.047) in the ischemic stroke group. Conclusions: The present study preliminarily investigated the diagnostic value of serum S1P in acute stroke. Decreased serum S1P may become a potential biomarker for early acute ischemic stroke and can indicate disease severity.
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Affiliation(s)
- Jia Liu
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China.,Neurological Laboratory of Hebei Province, Shijiazhuang, China.,Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Kazuo Sugimoto
- Department of Neurology, Dongzhimen Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China.,Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yuanbo Cao
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China.,Neurological Laboratory of Hebei Province, Shijiazhuang, China
| | - Masahiro Mori
- Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Li Guo
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China.,Neurological Laboratory of Hebei Province, Shijiazhuang, China
| | - Guojun Tan
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China.,Neurological Laboratory of Hebei Province, Shijiazhuang, China
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23
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Ouyang J, Shu Z, Chen S, Xiang H, Lu H. The role of sphingosine 1-phosphate and its receptors in cardiovascular diseases. J Cell Mol Med 2020; 24:10290-10301. [PMID: 32803879 PMCID: PMC7521328 DOI: 10.1111/jcmm.15744] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/12/2020] [Accepted: 07/31/2020] [Indexed: 02/07/2023] Open
Abstract
There are many different types of cardiovascular diseases, which impose a huge economic burden due to their extremely high mortality rates, so it is necessary to explore the underlying mechanisms to achieve better supportive and curative care outcomes. Sphingosine 1‐phosphate (S1P) is a bioactive lipid mediator with paracrine and autocrine activities that acts through its cell surface S1P receptors (S1PRs) and intracellular signals. In the circulatory system, S1P is indispensable for both normal and disease conditions; however, there are very different views on its diverse roles, and its specific relevance to cardiovascular pathogenesis remains elusive. Here, we review the synthesis, release and functions of S1P, specifically detail the roles of S1P and S1PRs in some common cardiovascular diseases, and then address several controversial points, finally, we focus on the development of S1P‐based therapeutic approaches in cardiovascular diseases, such as the selective S1PR1 modulator amiselimod (MT‐1303) and the non‐selective S1PR1 and S1PR3 agonist fingolimod, which may provide valuable insights into potential therapeutic strategies for cardiovascular diseases.
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Affiliation(s)
- Jie Ouyang
- Center for Experimental Medical Research, the Third Xiangya Hospital of Central South University, Changsha, China.,Department of Cardiology, the Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhihao Shu
- Department of Cardiology, the Third Xiangya Hospital of Central South University, Changsha, China
| | - Shuhua Chen
- Department of Biochemistry, School of Life Sciences of Central South University, Changsha, China
| | - Hong Xiang
- Center for Experimental Medical Research, the Third Xiangya Hospital of Central South University, Changsha, China
| | - Hongwei Lu
- Center for Experimental Medical Research, the Third Xiangya Hospital of Central South University, Changsha, China.,Department of Cardiology, the Third Xiangya Hospital of Central South University, Changsha, China
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24
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Ranasinghe ADCU, Lee DD, Schwarz MA. Mechanistic regulation of SPHK1 expression and translocation by EMAP II in pulmonary smooth muscle cells. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158789. [PMID: 32771459 DOI: 10.1016/j.bbalip.2020.158789] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/22/2020] [Accepted: 08/02/2020] [Indexed: 12/20/2022]
Abstract
Phosphorylation of sphingosine by sphingosine kinase 1 (SPHK1) produces the bioactive sphingolipid sphingosine-1-phosphate (S1P), a microvascular and immuno-modulator associated with vascular remodeling in pulmonary arterial hypertension (PAH). The low intracellular concentration of S1P is under tight spatial-temporal control. Molecular mechanisms that mediate S1P burden and S1P regulation of vascular remodeling are poorly understood. Similarities between two early response pro-inflammatory cytokine gene transcript activation profiles, S1P and Endothelial Monocyte Activating Polypeptide II (EMAP II), suggested a strategic link between their signaling pathways. We determined that EMAP II triggers a bimodal phosphorylation, transcriptional regulation and membrane translocation of SPHK1 through a common upstream process in both macrophages and pulmonary artery smooth muscle cells (PASMCs). EMAP II initiates a dual function of ERK1/2: phosphorylation of SPHK1 and regulation of the transcription factor EGR1 that induces expression of SPHK1. Activated ERK1/2 induces a bimodal phosphorylation of SPHK1 which reciprocally increases S1P levels. This identified common upstream signaling mechanism between a protein and a bioactive lipid initiates cell specific downstream signaling representing a multifactorial mechanism that contributes to inflammation and PASMC proliferation which are cardinal histopathological phenotypes of PAH.
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Affiliation(s)
- A Dushani C U Ranasinghe
- Harper Cancer Research Institute, USA; Department of Chemistry and Biochemistry, University of Notre Dame, USA
| | - Daniel D Lee
- Harper Cancer Research Institute, USA; Departments of Pediatrics and Anatomy, Cell Biology & Physiology, Indiana University, South Bend, IN, USA
| | - Margaret A Schwarz
- Harper Cancer Research Institute, USA; Department of Chemistry and Biochemistry, University of Notre Dame, USA; Departments of Pediatrics and Anatomy, Cell Biology & Physiology, Indiana University, South Bend, IN, USA.
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25
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Wafa D, Koch N, Kovács J, Kerék M, Proia RL, Tigyi GJ, Benyó Z, Miklós Z. Opposing Roles of S1P 3 Receptors in Myocardial Function. Cells 2020; 9:cells9081770. [PMID: 32722120 PMCID: PMC7466142 DOI: 10.3390/cells9081770] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/12/2020] [Accepted: 07/22/2020] [Indexed: 01/09/2023] Open
Abstract
Sphingosine-1-phosphate (S1P) is a lysophospholipid mediator with diverse biological function mediated by S1P1–5 receptors. Whereas S1P was shown to protect the heart against ischemia/reperfusion (I/R) injury, other studies highlighted its vasoconstrictor effects. We aimed to separate the beneficial and potentially deleterious cardiac effects of S1P during I/R and identify the signaling pathways involved. Wild type (WT), S1P2-KO and S1P3-KO Langendorff-perfused murine hearts were exposed to intravascular S1P, I/R, or both. S1P induced a 45% decrease of coronary flow (CF) in WT-hearts. The presence of S1P-chaperon albumin did not modify this effect. CF reduction diminished in S1P3-KO but not in S1P2-KO hearts, indicating that in our model S1P3 mediates coronary vasoconstriction. In I/R experiments, S1P3 deficiency had no influence on postischemic CF but diminished functional recovery and increased infarct size, indicating a cardioprotective effect of S1P3. Preischemic S1P exposure resulted in a substantial reduction of postischemic CF and cardiac performance and increased the infarcted area. Although S1P3 deficiency increased postischemic CF, this failed to improve cardiac performance. These results indicate a dual role of S1P3 involving a direct protective action on the myocardium and a cardiosuppressive effect due to coronary vasoconstriction. In acute coronary syndrome when S1P may be released abundantly, intravascular and myocardial S1P production might have competing influences on myocardial function via activation of S1P3 receptors.
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Affiliation(s)
- Dina Wafa
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
- Correspondence: (D.W.); (Z.M.)
| | - Nóra Koch
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
| | - Janka Kovács
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
| | - Margit Kerék
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
| | - Richard L. Proia
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institues of Health, Bethesda, MD 20892, USA;
| | - Gábor J. Tigyi
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Zoltán Benyó
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
| | - Zsuzsanna Miklós
- Institute of Translational Medicine, Semmelweis University, 1094 Budapest, Hungary; (N.K.); (J.K.); (M.K.); (G.J.T.); (Z.B.)
- Correspondence: (D.W.); (Z.M.)
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26
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Daum G, Winkler M, Moritz E, Müller T, Geffken M, von Lucadou M, Haddad M, Peine S, Böger RH, Larena-Avellaneda A, Debus ES, Gräler M, Schwedhelm E. Determinants of Serum- and Plasma Sphingosine-1-Phosphate Concentrations in a Healthy Study Group. TH OPEN 2020; 4:e12-e19. [PMID: 31984305 PMCID: PMC6978167 DOI: 10.1055/s-0040-1701205] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 12/18/2019] [Indexed: 12/16/2022] Open
Abstract
Introduction
To correctly interpret plasma- or serum-sphingosine-1-phosphate (S1P) concentrations measured in clinical studies it is critical to understand all major determinants in healthy controls.
Methods
Serum- and plasma-S1P from 174 healthy blood donors was measured by liquid chromatography-tandem mass spectrometry and correlated to clinical laboratory data. Selected plasma samples, 10 with high and 10 with low S1P concentrations, were fractionated into very low-density lipoprotein (VLDL)-, low density lipoprotein (LDL)-, high density lipoprotein (HDL)-, and lipoprotein-free fractions. S1P was then measured in each fraction to determine its distribution.
Results
The mean S1P concentration in serum (1.04 ± 0.24 nmol/mL) was found 39% higher compared with plasma (0.75 ± 0.16 nmol/mL) and overall was not different between men and women. Only when stratified for age and gender, older women were found to exhibit higher circulatory S1P levels than men. In plasma, S1P levels correlate to red blood cell (RBC) counts but not to platelet counts. Conversely, serum-S1P correlates to platelet counts but not to RBC counts. In addition, eosinophil counts are strongly associated with serum-S1P concentrations. Both serum- and plasma-S1P correlate to total cholesterol but not to HDL-C. The distribution of S1P between VLDL-, LDL-, HDL-, and lipoprotein-free fractions is independent of total plasma-S1P concentrations. S1P concentrations in HDL but not in LDL are highly variable.
Conclusion
These data indicate S1P concentrations in plasma and serum to be differentially associated with cell counts and S1P carrier proteins. Besides platelets, eosinophil counts are identified as a novel determinant for serum-S1P concentrations further suggesting a role for S1P in eosinophil pathologies.
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Affiliation(s)
- Günter Daum
- Clinic and Polyclinic for Vascular Medicine, University Heart and Vascular Center, Hamburg, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck (GD, ES, MvL) and Greifswald (EM), Berlin, Germany
| | - Martin Winkler
- Department of Anesthesiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Anesthesiology and Intensive Care Medicine, University Medicine, Göttingen, Germany
| | - Eileen Moritz
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck (GD, ES, MvL) and Greifswald (EM), Berlin, Germany.,Institute for Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute of Pharmacology, Department of General Pharmacology, University Medicine, Greifswald, Germany
| | - Tina Müller
- Department of Anesthesiology and Intensive Care Medicine, Center for Sepsis Control and Care (CSCC), and the Center for Molecular Biomedicine (CMB), Jena University Hospital, Jena, Germany
| | - Maria Geffken
- Institute for Transfusion Medicine, University Medical Center Hamburg, Eppendorf, Germany
| | - Mirjam von Lucadou
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck (GD, ES, MvL) and Greifswald (EM), Berlin, Germany.,Institute for Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Munif Haddad
- Institute for Clinical Chemistry, University Medical Center Hamburg, Eppendorf, Germany
| | - Sven Peine
- Institute for Transfusion Medicine, University Medical Center Hamburg, Eppendorf, Germany
| | - Rainer H Böger
- Institute for Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Axel Larena-Avellaneda
- Clinic and Polyclinic for Vascular Medicine, University Heart and Vascular Center, Hamburg, Germany
| | - Eike Sebastian Debus
- Clinic and Polyclinic for Vascular Medicine, University Heart and Vascular Center, Hamburg, Germany
| | - Markus Gräler
- Department of Anesthesiology and Intensive Care Medicine, Center for Sepsis Control and Care (CSCC), and the Center for Molecular Biomedicine (CMB), Jena University Hospital, Jena, Germany
| | - Edzard Schwedhelm
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck (GD, ES, MvL) and Greifswald (EM), Berlin, Germany.,Institute for Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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27
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Kovilakath A, Cowart LA. Sphingolipid Mediators of Myocardial Pathology. J Lipid Atheroscler 2020; 9:23-49. [PMID: 32821720 PMCID: PMC7379069 DOI: 10.12997/jla.2020.9.1.23] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/25/2019] [Accepted: 10/09/2019] [Indexed: 12/15/2022] Open
Abstract
Cardiomyopathy is the leading cause of mortality worldwide. While the causes of cardiomyopathy continue to be elucidated, current evidence suggests that aberrant bioactive lipid signaling plays a crucial role as a component of cardiac pathophysiology. Sphingolipids have been implicated in the pathophysiology of cardiovascular disease, as they regulate numerous cellular processes that occur in primary and secondary cardiomyopathies. Experimental evidence gathered over the last few decades from both in vitro and in vivo model systems indicates that inhibitors of sphingolipid synthesis attenuate a variety of cardiomyopathic symptoms. In this review, we focus on various cardiomyopathies in which sphingolipids have been implicated and the potential therapeutic benefits that could be gained by targeting sphingolipid metabolism.
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Affiliation(s)
- Anna Kovilakath
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA, USA
| | - L. Ashley Cowart
- Department of Biochemistry and Molecular Biology and the Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA
- Hunter Holmes McGuire Veteran's Affairs Medical Center, Richmond, VA, USA
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28
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Synergistic effect of Aconiti Lateralis Radix Praeparata water-soluble alkaloids and Ginseng Radix et Rhizoma total ginsenosides compatibility on acute heart failure rats. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1137:121935. [DOI: 10.1016/j.jchromb.2019.121935] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/16/2019] [Accepted: 12/06/2019] [Indexed: 11/23/2022]
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29
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Kovilakath A, Jamil M, Cowart LA. Sphingolipids in the Heart: From Cradle to Grave. Front Endocrinol (Lausanne) 2020; 11:652. [PMID: 33042014 PMCID: PMC7522163 DOI: 10.3389/fendo.2020.00652] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 08/11/2020] [Indexed: 01/10/2023] Open
Abstract
Cardiovascular diseases are the leading cause of mortality worldwide and this has largely been driven by the increase in metabolic disease in recent decades. Metabolic disease alters metabolism, distribution, and profiles of sphingolipids in multiple organs and tissues; as such, sphingolipid metabolism and signaling have been vigorously studied as contributors to metabolic pathophysiology in various pathological outcomes of obesity, including cardiovascular disease. Much experimental evidence suggests that targeting sphingolipid metabolism may be advantageous in the context of cardiometabolic disease. The heart, however, is a structurally and functionally complex organ where bioactive sphingolipids have been shown not only to mediate pathological processes, but also to contribute to essential functions in cardiogenesis and cardiac function. Additionally, some sphingolipids are protective in the context of ischemia/reperfusion injury. In addition to mechanistic contributions, untargeted lipidomics approaches used in recent years have identified some specific circulating sphingolipids as novel biomarkers in the context of cardiovascular disease. In this review, we summarize recent literature on both deleterious and beneficial contributions of sphingolipids to cardiogenesis and myocardial function as well as recent identification of novel sphingolipid biomarkers for cardiovascular disease risk prediction and diagnosis.
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Affiliation(s)
- Anna Kovilakath
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA, United States
| | - Maryam Jamil
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA, United States
| | - Lauren Ashley Cowart
- Department of Biochemistry and Molecular Biology and the Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
- Hunter Holmes McGuire Veteran's Affairs Medical Center, Richmond, VA, United States
- *Correspondence: Lauren Ashley Cowart
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Diarte-Añazco EMG, Méndez-Lara KA, Pérez A, Alonso N, Blanco-Vaca F, Julve J. Novel Insights into the Role of HDL-Associated Sphingosine-1-Phosphate in Cardiometabolic Diseases. Int J Mol Sci 2019; 20:ijms20246273. [PMID: 31842389 PMCID: PMC6940915 DOI: 10.3390/ijms20246273] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/09/2019] [Accepted: 12/10/2019] [Indexed: 02/07/2023] Open
Abstract
Sphingolipids are key signaling molecules involved in the regulation of cell physiology. These species are found in tissues and in circulation. Although they only constitute a small fraction in lipid composition of circulating lipoproteins, their concentration in plasma and distribution among plasma lipoproteins appears distorted under adverse cardiometabolic conditions such as diabetes mellitus. Sphingosine-1-phosphate (S1P), one of their main representatives, is involved in regulating cardiomyocyte homeostasis in different models of experimental cardiomyopathy. Cardiomyopathy is a common complication of diabetes mellitus and represents a main risk factor for heart failure. Notably, plasma concentration of S1P, particularly high-density lipoprotein (HDL)-bound S1P, may be decreased in patients with diabetes mellitus, and hence, inversely related to cardiac alterations. Despite this, little attention has been given to the circulating levels of either total S1P or HDL-bound S1P as potential biomarkers of diabetic cardiomyopathy. Thus, this review will focus on the potential role of HDL-bound S1P as a circulating biomarker in the diagnosis of main cardiometabolic complications frequently associated with systemic metabolic syndromes with impaired insulin signaling. Given the bioactive nature of these molecules, we also evaluated its potential of HDL-bound S1P-raising strategies for the treatment of cardiometabolic disease.
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Affiliation(s)
- Elena M. G. Diarte-Añazco
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
| | - Karen Alejandra Méndez-Lara
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
| | - Antonio Pérez
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei d’Endocrinologia, Hospital de la Santa Creu i Sant Pau, IIB Sant Pau, 08041 Barcelona, Spain
| | - Núria Alonso
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei d’Endocrinologia, Hospital Universitari Germans Trias i Pujol, Badalona, 08916 Barcelona, Spain
| | - Francisco Blanco-Vaca
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Servei de Bioquímica, Hospital de la Santa Creu i Sant Pau, IIB Sant Pau, 08041 Barcelona, Spain
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
| | - Josep Julve
- Institut de Recerca de l’Hospital de la Santa Creu i Sant Pau, and Institut d’Investigació Biomèdica Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain;
- Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain;
- Centro de Investigación Biomédica en Red (CIBER) de Diabetes y Enfermedades Metabólicas Asociadas, CIBERDEM, 28029 Madrid, Spain;
- Correspondence: (K.A.M.-L.); (F.B.-V.); (J.J.)
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Hammad SM, Hardin JR, Wilson DA, Twal WO, Nietert PJ, Oates JC. Race disparity in blood sphingolipidomics associated with lupus cardiovascular comorbidity. PLoS One 2019; 14:e0224496. [PMID: 31747417 PMCID: PMC6867606 DOI: 10.1371/journal.pone.0224496] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/15/2019] [Indexed: 11/18/2022] Open
Abstract
Systemic lupus erythematous (SLE) is a chronic multi-organ autoimmune disease. Genetic and environmental factors contribute to disease onset and severity. Sphingolipids are signaling molecules involved in regulating cell functions and have been associated with multiple genetic disease processes. African-Americans are more likely to suffer from SLE morbidity than Whites. The Medical University of South Carolina has banked plasma samples from a well-characterized lupus cohort that includes African-Americans and Whites. This study examined the influence of race on plasma sphingolipid profiles in SLE patients and association of sphingolipid levels with comorbid atherosclerosis and SLE disease activity. Mass spectrometry revealed that healthy African-Americans had higher sphingomyelin levels and lower lactosylcermide levels compared to healthy Whites. SLE patients, irrespective of race, had higher levels of ceramides, and sphingoid bases (sphingosine and dihydrosphingosine) and their phosphates compared to healthy subjects. Compared to African-American controls, African-American SLE patients had higher levels of ceramides, hexosylceramides, sphingosine and dihydrosphingosine 1-phosphate. Compared to White controls, White SLE patients exhibited higher levels of sphingoid bases and their phosphates, but lower ratios of C16:0 ceramide/sphingosine 1-phosphate and C24:1 ceramide/sphingosine 1-phosphate. White SLE patients with atherosclerosis exhibited lower levels of sphingoid bases compared to White SLE patients without atherosclerosis. In contrast, African-American SLE patients with atherosclerosis had higher levels of sphingoid bases and sphingomyelins compared to African-American SLE patients without atherosclerosis. Compared to White SLE patients with atherosclerosis, African-American SLE patients with atherosclerosis had higher levels of select sphingolipids. Plasma levels of sphingosine, C16:0 ceramide/sphingosine 1-phosphate ratio and C24:1 ceramide/sphingosine 1-phosphate ratio significantly correlated with SLEDAI in the African-American but not White SLE patients. The C16:0 ceramide/sphingosine 1-phosphate ratio in SLE patients, and levels of C18:1 and C26:1 lactosylcermides, C20:0 hexosylceramide, and sphingoid bases in SLE patients with atherosclerosis could be dependent on race. Further ethnic studies in SLE cohorts are necessary to verify use of sphingolipidomics as complementary diagnostic tool.
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Affiliation(s)
- Samar M. Hammad
- Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Jasmyn R. Hardin
- College of Graduate Studies/Summer Undergraduate Research Program, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Dulaney A. Wilson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Waleed O. Twal
- Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - Paul J. Nietert
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, United States of America
| | - James C. Oates
- Department of Medicine, Division of Rheumatology & Immunology, Medical University of South Carolina, Charleston, South Carolina, United States of America
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Circulating Sphingosine-1-Phosphate as A Non-Invasive Biomarker of Heart Transplant Rejection. Sci Rep 2019; 9:13880. [PMID: 31554869 PMCID: PMC6761203 DOI: 10.1038/s41598-019-50413-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 09/05/2019] [Indexed: 01/16/2023] Open
Abstract
Accumulating evidence has confirmed that the expression of sarcoplasmic reticulum calcium ATPase 2a (SERCA2a) is downregulated in heart failure and cardiac allograft rejection. Although many SERCA2a-related genes and proteins involved in the regulation of myocardial Ca2+ fluxes have been explored, its related metabolites remain poorly studied. Our main objective was to identify circulating SERCA2a-related metabolites altered in cardiac allograft rejection and to determine whether these could serve as non-invasive biomarkers. Sixty plasma samples from adult heart transplant were included in a metabolomic analysis. Sphingosine-1 phosphate (S1P), metabolite closely related with SERCA, were increased in patients with cardiac rejection (p < 0.0001). S1P discriminated between patients with and without rejection: normal grafts vs. all rejecting grafts (AUC = 0.911, p < 0.0001), normal grafts vs. Grade 1 R (AUC = 0.819, p < 0.01), Grade 2 R (AUC = 0.911, p < 0.0001), Grade 3 R (AUC = 0.996, p < 0.0001). In addition, we found changes in key enzymes and receptors of S1P pathway analysed on explanted hearts from heart failure patients. This preliminary study reveals that circulating S1P determination could be a novel approach to detect cardiac rejection, showing a robust capability for detection that improves gradually with the severity of rejection. These alterations could be relevant to better understand the involvement of calcium regulation on the pathophysiology of rejection.
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Chan P, Saleem M, Herrmann N, Mielke MM, Haughey NJ, Oh PI, Kiss A, Lanctôt KL. Ceramide Accumulation Is Associated with Declining Verbal Memory in Coronary Artery Disease Patients: An Observational Study. J Alzheimers Dis 2019; 64:1235-1246. [PMID: 30010121 PMCID: PMC6087453 DOI: 10.3233/jad-180030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background: Biomarkers in cognitively vulnerable populations, like those with coronary artery disease (CAD), may inform earlier intervention in vascular neurodegeneration. Circulating ceramide C18:0 (CerC18:0) is associated with changes in verbal memory in early neurodegeneration and CAD progression. Objective: To investigate whether plasma CerC18:0 accumulation is associated with longitudinal declines in verbal memory performance in CAD. Methods: In addition to total CerC18:0, we assessed its relative abundance to its precursors as ratios: CerC18:0 to monohexosylceramide C18:0 (MHxCer18:0), CerC18:0 to sphingomyelin C18:0 (SM18:0), and CerC18:0 to sphingosine-1-phosphate (S1P). Verbal memory was assessed using the California Verbal Learning Test 2nd Ed. Using mixed models in 60 CAD participants, we evaluated associations between baseline CerC18:0 ratios and changes in verbal memory performance, adjusting for age, body mass index, and education. Given that cognitive decline is more rapid following onset of deficits, these associations were compared between those with possible mild vascular neurocognitive disorder (MVND). Results: Increased baseline CerC18:0 concentrations correlated with worse verbal memory performance over time (b[SE] = – 0.91[0.30], p = 0.003). Increased baseline CerC18:0/SM18:0 (b[SE] = – 1.11[`], p = 0.03) were associated with worse verbal memory performance over time. These associations were not mediated by whether or not patients had possible MVND at baseline. Conclusion: These findings support aberrant CerC18:0 metabolism as an early neurobiological change in vascular neurodegeneration. Future studies should measure enzymes responsible for conversion of sphingolipid precursors into CerC18:0 to assess enzymatic activity.
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Affiliation(s)
- Parco Chan
- Sunnybrook Research Institute, Toronto, ON, Canada.,Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
| | | | - Nathan Herrmann
- Sunnybrook Research Institute, Toronto, ON, Canada.,Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Michelle M Mielke
- Departments of Neurology and Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Norman J Haughey
- Departments of Neurology and Psychiatry, John Hopkins University School of Medicine, Baltimore, MD, USA
| | - Paul I Oh
- Sunnybrook Research Institute, Toronto, ON, Canada.,University Health Network at Toronto Rehabilitation Institute, Toronto, ON, Canada
| | - Alexander Kiss
- Institute for Clinical Evaluative Sciences, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - Krista L Lanctôt
- Sunnybrook Research Institute, Toronto, ON, Canada.,Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada.,Department of Psychiatry, University of Toronto, Toronto, ON, Canada.,University Health Network at Toronto Rehabilitation Institute, Toronto, ON, Canada
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Hu Y, Yang C, Shen G, Yang S, Cheng X, Cheng F, Rao J, Wang X. Hyperglycemia-Triggered Sphingosine-1-Phosphate and Sphingosine-1-Phosphate Receptor 3 Signaling Worsens Liver Ischemia/Reperfusion Injury by Regulating M1/M2 Polarization. Liver Transpl 2019; 25:1074-1090. [PMID: 30972941 PMCID: PMC6617772 DOI: 10.1002/lt.25470] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 04/04/2019] [Indexed: 12/12/2022]
Abstract
Hyperglycemia aggravates hepatic ischemia/reperfusion injury (IRI), but the underlying mechanism for the aggravation remains elusive. Sphingosine-1-phosphate (S1P) and sphingosine-1-phosphate receptors (S1PRs) have been implicated in metabolic and inflammatory diseases. Here, we discuss whether and how S1P/S1PRs are involved in hyperglycemia-related liver IRI. For our in vivo experiment, we enrolled diabetic patients with benign hepatic disease who had liver resection, and we used streptozotocin (STZ)-induced hyperglycemic mice or normal mice to establish a liver IRI model. In vitro bone marrow-derived macrophages (BMDMs) were differentiated in high-glucose (HG; 30 mM) or low-glucose (LG; 5 mM) conditions for 7 days. The expression of S1P/S1PRs was analyzed in the liver and BMDMs. We investigated the functional and molecular mechanisms by which S1P/S1PRs may influence hyperglycemia-related liver IRI. S1P levels were higher in liver tissues from patients with diabetes mellitus and mice with STZ-induced diabetes. S1PR3, but not S1PR1 or S1PR2, was activated in liver tissues and Kupffer cells under hyperglycemic conditions. The S1PR3 antagonist CAY10444 attenuated hyperglycemia-related liver IRI based on hepatic biochemistry, histology, and inflammatory responses. Diabetic livers expressed higher levels of M1 markers but lower levels of M2 markers at baseline and after ischemia/reperfusion. Dual-immunofluorescence staining showed that hyperglycemia promoted M1 (CD68/CD86) differentiation and inhibited M2 (CD68/CD206) differentiation. Importantly, CAY10444 reversed hyperglycemia-modulated M1/M2 polarization. HG concentrations in vitro also triggered S1P/S1PR3 signaling, promoted M1 polarization, inhibited M2 polarization, and enhanced inflammatory responses compared with LG concentrations in BMDMs. In contrast, S1PR3 knockdown significantly retrieved hyperglycemia-modulated M1/M2 polarization and attenuated inflammation. In conclusion, our study reveals that hyperglycemia specifically triggers S1P/S1PR3 signaling and exacerbates liver IRI by facilitating M1 polarization and inhibiting M2 polarization, which may represent an effective therapeutic strategy for liver IRI in diabetes.
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Affiliation(s)
- Yuanchang Hu
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Chao Yang
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Gefengqiang Shen
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Shikun Yang
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Xuyu Cheng
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Feng Cheng
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Jianhua Rao
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
| | - Xuehao Wang
- Hepatobiliary CenterThe First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Liver Transplantation, Chinese Academy of Medical SciencesNanjingChina
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35
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Alessenko AV, Lebedev AT, Kurochkin IN. The Role of Sphingolipids in Cardiovascular Pathologies. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES B: BIOMEDICAL CHEMISTRY 2019. [DOI: 10.1134/s1990750819020021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Qiang GH, Wang ZX, Ji AL, Wu JY, Cao Y, Zhang G, Zhang YY, Jiang CP. Sphingosine kinase 1 knockout alleviates hepatic ischemia/reperfusion injury by attenuating inflammation and oxidative stress in mice. Hepatobiliary Pancreat Dis Int 2019; 18:255-265. [PMID: 31027910 DOI: 10.1016/j.hbpd.2019.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 04/01/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hepatic ischemia/reperfusion (I/R) injury remains a significant problem in clinical practice. Sphingosine kinase 1 (SphK1) phosphorylates sphingosine to sphingosine-1-phosphate (S1P) which participates in multiple bioactive processes. However, little is known about the role of SphK1 in hepatic I/R injury. This study aimed to investigate the effect of SphK1 knockout on liver I/R injury and to explore underlying mechanisms. METHODS SphK1 knockout and wild type mice were subjected to 70% partial hepatic I/R. Serum alanine aminotransferase was determined to indicate the degree of liver damage. Hematoxylin-eosin staining and TUNEL assay were used to assess histological changes and hepatocellular apoptosis, respectively. Immunohistochemistry was performed to detect the expression and translocation of phosphorylated p65 and signal transducer and activator of transcription 3 (STAT3). Western blotting was used to determine the expression of S1P receptor 1 (S1PR1), phosphorylated p65 and STAT3. Real-time PCR was used to demonstrate the changes of proinflammatory cytokines. Oxidative stress markers were also determined through biochemical assays. RESULTS SphK1 knockout significantly ameliorated I/R-induced liver damage, mitigated liver tissue necrosis and apoptosis compared with wild type control. I/R associated inflammation was alleviated in SphK1 knockout mice as demonstrated by attenuated expression of S1PR1 and reduced phosphorylation of nuclear factor kappa B p65 and STAT3. The proinflammatory cytokines interleukin-1β, interleukin-6 and tumor necrosis factor-α were also inhibited by SphK1 genetic deletion. The oxidative stress markers were lower in SphK1 knockout mice after I/R injury than wild type mice. CONCLUSIONS Knockout of SphK1 significantly alleviated damage after hepatic I/R injury, possibly through inhibiting inflammation and oxidative stress. SphK1 may be a novel and potent target in clinical practice in I/R-related liver injury.
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Affiliation(s)
- Guang-Hui Qiang
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China
| | - Zhong-Xia Wang
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China; Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - An-Lai Ji
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China
| | - Jun-Yi Wu
- Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yin Cao
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China; Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Guang Zhang
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China; Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yi-Yang Zhang
- Department of Gastroenterology, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China
| | - Chun-Ping Jiang
- Department of Hepatobiliary Surgery, Nanjing Drum Tower Hospital, Drum Tower Clinical College of Nanjing Medical University, Nanjing 210008, China; Department of Hepatobiliary Surgery, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China.
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Liu M, Frej C, Langefeld CD, Divers J, Bowden DW, Carr JJ, Gebre AK, Xu J, Larsson B, Dahlbäck B, Freedman BI, Parks JS. Plasma apoM and S1P levels are inversely associated with mortality in African Americans with type 2 diabetes mellitus. J Lipid Res 2019; 60:1425-1431. [PMID: 31133557 DOI: 10.1194/jlr.p089409] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 04/27/2019] [Indexed: 12/21/2022] Open
Abstract
apoM is a minor HDL apolipoprotein and carrier for sphingosine-1-phosphate (S1P). HDL apoM and S1P concentrations are inversely associated with atherosclerosis progression in rodents. We evaluated associations between plasma concentrations of S1P, plasma concentrations of apoM, and HDL apoM levels with prevalent subclinical atherosclerosis and mortality in the African American-Diabetes Heart Study participants (N = 545). Associations between plasma S1P, plasma apoM, and HDL apoM with subclinical atherosclerosis and mortality were assessed using multivariate parametric, nonparametric, and Cox proportional hazards models. At baseline, participants' median (25th percentile, 75th percentile) age was 55 (49, 62) years old and their coronary artery calcium (CAC) mass score was 26.5 (0.0, 346.5). Plasma S1P, plasma apoM, and HDL apoM were not associated with CAC. After 64 (57.6, 70.3) months of follow-up, 81 deaths were recorded. Higher concentrations of plasma S1P [odds ratio (OR) = 0.14, P = 0.01] and plasma apoM (OR = 0.10, P = 0.02), but not HDL apoM (P = 0.89), were associated with lower mortality after adjusting for age, sex, statin use, CAC, kidney function, and albuminuria. We conclude that plasma S1P and apoM concentrations are inversely and independently associated with mortality, but not CAC, in African Americans with type 2 diabetes after accounting for conventional risk factors.
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Affiliation(s)
- Mingxia Liu
- Section on Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC
| | - Cecilia Frej
- Department of Translational Medicine Skåne University Hospital, Lund University, Malmö, Sweden
| | - Carl D Langefeld
- Division of Public Health Sciences, Department of Biostatistics and Data Science Wake Forest School of Medicine, Winston-Salem, NC
| | - Jasmin Divers
- Division of Public Health Sciences, Department of Biostatistics and Data Science Wake Forest School of Medicine, Winston-Salem, NC
| | - Donald W Bowden
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC
| | - J Jeffrey Carr
- Department of Radiology Vanderbilt University Medical Center, Nashville, TN
| | - Abraham K Gebre
- Section on Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC
| | - Jianzhao Xu
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC
| | - Benny Larsson
- Department of Clinical Chemistry Skåne University Hospital, Lund, Sweden
| | - Björn Dahlbäck
- Department of Translational Medicine Skåne University Hospital, Lund University, Malmö, Sweden
| | - Barry I Freedman
- Section on Nephrology, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC
| | - John S Parks
- Section on Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC .,Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC
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38
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Alessenko AV, Lebedev АТ, Kurochkin IN. [The role of sphingolipids in cardiovascular pathologies]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2019; 64:487-495. [PMID: 30632976 DOI: 10.18097/pbmc20186406487] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Cardiovascular diseases (CVD) remain the leading cause of death in industrialized countries. One of the most significant risk factors for atherosclerosis is hypercholesterolemia. Its diagnostics is based on routine lipid profile analysis, including the determination of total cholesterol, low and high density lipoprotein cholesterol, and triglycerides. However in recent years, much attention has been paid to the crosstalk between the metabolic pathways of the cholesterol and sphingolipids biosynthesis. Sphingolipids are a group of lipids, containing a molecule of aliphatic alcohol sphingosine. These include sphingomyelins, cerebrosides, gangliosides and ceramides, sphingosines, and sphingosine-1-phosphate (S-1-P). It has been found that catabolism of sphingolipids is associated with catabolism of cholesterol. However, the exact mechanism of this interaction is still unknown. Particular attention as CVD inducer attracts ceramide (Cer). Lipoprotein aggregates isolated from atherosclerotic pluques are enriched with Cer. The level of Cer and sphingosine increases after ischemia reperfusion of the heart, in the infarction zone and in the blood, and also in hypertension. S-1-P exhibits pronounced cardioprotective properties. Its content sharply decreases with ischemia and myocardial infarction. S-1-P presents predominantly in HDL, and influences their multiple functions. Increased levels of Cer and sphingosine and decreased levels of S-1-P formed in the course of coronary heart disease can be an important factor in the development of atherosclerosis. It is proposed to use determination of sphingolipids in blood plasma as markers for early diagnosis of cardiac ischemia and for hypertension in humans. There are intensive studies aimed at correction of metabolism S-1-P. The most successful drugs are those that use S-1-P receptors as a targets, since all of its actions are receptor-mediated.
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Affiliation(s)
- A V Alessenko
- Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | | | - I N Kurochkin
- Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
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Kang JW, Choi HS, Shin JK, Lee SM. Resolvin D1 activates the sphingosine-1-phosphate signaling pathway in murine livers with ischemia/reperfusion injury. Biochem Biophys Res Commun 2019; 514:1058-1065. [PMID: 31097221 DOI: 10.1016/j.bbrc.2019.05.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 05/05/2019] [Indexed: 12/16/2022]
Abstract
Resolvins (Rvs) are endogenous lipid mediators that promote resolution of inflammation and return to homeostasis. We previously reported that RvD1 both facilitates M2 macrophage polarization of Kupffer cells (KCs) and efferocytosis and modulates thioredoxin 2-mediated mitochondrial quality control in liver ischemia/reperfusion (IR) injury. However, the specific cellular or molecular targets of RvD1 remain poorly understood. Sphingosine-1-phosphate (S1P), the natural sphingolipid ligand for a family of G protein-coupled receptors (S1P1-S1P5), regulates lymphocyte circulation and various immune responses. Here we investigated the role of RvD1 in IR-induced hepatocellular damage with a focus on S1P signaling. Male C57BL/6 mice were subjected to partial hepatic ischemia for 60 min, followed by reperfusion. Mice were pretreated with RvD1 (15 μg/kg, i.p.) 1 h prior to ischemia and immediately before reperfusion. To deplete KCs, liposome clodronate was administered (100 μL/mice, i.v.) 24 h prior to ischemia. Mice were pretreated with VPC23019 (100 μg/kg, i.p.), an antagonist for S1P1/S1P3 10 min prior to initial RvD1 treatment. Exogenous RvD1 attenuated IR-induced hepatocellular damage as evidenced by serum HMGB1 release. RvD1 attenuated the decrease in hepatic S1P concentration induced by IR. KC depletion by liposome clodronate did not alter the effect of RvD1 on sphingosine kinases (SKs) and S1P receptors, suggesting independency of KCs. Moreover, in purified hepatocytes of mice exposed to IR, mRNA expression of SK1, SK2, S1P1, and S1P3 decreased significantly, and this was attenuated by RvD1. Finally, VPC23019 pretreatment abolished the hepatoprotective effects of RvD1 in serum HMGB1 release. Our findings suggest that RvD1 protects the liver against IR injury by activating S1P signaling.
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Affiliation(s)
- Jung-Woo Kang
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do, 440-746, Republic of Korea
| | - Hyo-Sun Choi
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do, 440-746, Republic of Korea
| | - Jun-Kyu Shin
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do, 440-746, Republic of Korea
| | - Sun-Mee Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do, 440-746, Republic of Korea.
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40
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Potential therapeutic targets for atherosclerosis in sphingolipid metabolism. Clin Sci (Lond) 2019; 133:763-776. [PMID: 30890654 PMCID: PMC6422862 DOI: 10.1042/cs20180911] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/13/2019] [Accepted: 02/14/2019] [Indexed: 12/14/2022]
Abstract
Sphingolipids, such as sphingomyelins, ceramides, glycosphingolipids, and sphingosine-1-phosphates (S1P) are a large group of structurally and functionally diverse molecules. Some specific species are found associated with atherogenesis and provide novel therapeutic targets. Herein, we briefly review how sphingolipids are implicated in the progression of atherosclerosis and related diseases, and then we discuss the potential therapy options by targetting several key enzymes in sphingolipid metabolism.
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41
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Egom EE, Shiwani HA, Pharithi RB, Canning R, Khan B, Hiani YE, Maher V. Dynamic changes of the composition of plasma HDL particles in patients with cardiac disease: Spotlight on sphingosine-1-phosphate/serum amyloid A ratio. Clin Exp Pharmacol Physiol 2017; 45:319-325. [DOI: 10.1111/1440-1681.12888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 10/26/2017] [Accepted: 10/27/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Emmanuel E Egom
- Department of Cardiology; The Adelaide and Meath Hospital Dublin; Incorporating the National Children Hospital; Dublin Ireland
| | - Haaris A Shiwani
- Department of Clinical Medicine; Education Division; Trinity College Dublin; The University of Dublin; Dublin Ireland
| | - Rebabonye B Pharithi
- Department of Cardiology; The Adelaide and Meath Hospital Dublin; Incorporating the National Children Hospital; Dublin Ireland
| | | | - Barkat Khan
- Department of Cardiology; The Adelaide and Meath Hospital Dublin; Incorporating the National Children Hospital; Dublin Ireland
| | - Yassine El Hiani
- Department of Physiology and Biophysics; Dalhousie University; Halifax Canada
| | - Vincent Maher
- Department of Cardiology; The Adelaide and Meath Hospital Dublin; Incorporating the National Children Hospital; Dublin Ireland
- Department of Clinical Medicine; Education Division; Trinity College Dublin; The University of Dublin; Dublin Ireland
- Institute of Technology Tallaght; Dublin Ireland
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42
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Dinoff A, Saleem M, Herrmann N, Mielke MM, Oh PI, Venkata SLV, Haughey NJ, Lanctôt KL. Plasma sphingolipids and depressive symptoms in coronary artery disease. Brain Behav 2017; 7:e00836. [PMID: 29201542 PMCID: PMC5698859 DOI: 10.1002/brb3.836] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/18/2017] [Accepted: 09/01/2017] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Depression is highly prevalent in individuals with coronary artery disease (CAD) and increases the risk of future cardiac events and mortality. Sphingolipids have been implicated in the pathophysiology of both CAD and depression. This study assessed the association between plasma sphingolipid concentrations and depressive symptoms in CAD subjects. METHODS Depressive symptoms were measured using the depression subscale of the self-reported Hospital Anxiety and Depression Scale (HADS). Sphingolipid concentrations were measured from fasting plasma samples using high-performance liquid chromatography-coupled electrospray ionization tandem mass spectrometry (LC/MS/MS). Linear regression models were used to assess associations between log-transformed concentrations of plasma sphingolipids and depressive symptoms. RESULTS A total of 111 CAD patients (mean (SD) age = 63.6 ± 6.4, 84.7% male) were included. In linear regression analyses, higher plasma concentrations of ceramides C16:0 (β = 0.204, p = .026) and C18:0 (β = 0.209, p = .023) and sphingomyelin SM18:1 (β = 0.210, p = .024) were significantly associated with higher HADS depression subscale score after adjusting for covariates. CONCLUSION Sphingolipids, in particular the ceramide species C16:0 and C18:0 and the sphingomyelin species SM18:1, may be implicated in the pathophysiology of depression in CAD. The association between plasma sphingolipid concentrations and depression should be further examined in CAD patients and in other populations.
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Affiliation(s)
- Adam Dinoff
- Neuropsychopharmacology Research Group Hurvitz Brain Sciences Program Sunnybrook Research Institute Toronto ON Canada.,Department of Pharmacology and Toxicology Faculty of Medicine University of Toronto Toronto ON Canada
| | - Mahwesh Saleem
- Neuropsychopharmacology Research Group Hurvitz Brain Sciences Program Sunnybrook Research Institute Toronto ON Canada.,Department of Pharmacology and Toxicology Faculty of Medicine University of Toronto Toronto ON Canada
| | - Nathan Herrmann
- Neuropsychopharmacology Research Group Hurvitz Brain Sciences Program Sunnybrook Research Institute Toronto ON Canada.,Department of Psychiatry Faculty of Medicine University of Toronto Toronto ON Canada
| | - Michelle M Mielke
- Department of Neurology Mayo Clinic Rochester MN USA.,Department of Health Sciences Research Mayo Clinic Rochester MN USA
| | - Paul I Oh
- Division of Clinical Pharmacology Sunnybrook Health Sciences Centre Toronto ON Canada.,Toronto Rehabilitation Institute Rumsey Centre Cardiac Rehabilitation Toronto ON Canada
| | | | - Norman J Haughey
- Department of Neurology Johns Hopkins University School of Medicine Baltimore MD USA.,Department of Psychiatry Johns Hopkins University School of Medicine Baltimore MD USA
| | - Krista L Lanctôt
- Neuropsychopharmacology Research Group Hurvitz Brain Sciences Program Sunnybrook Research Institute Toronto ON Canada.,Department of Pharmacology and Toxicology Faculty of Medicine University of Toronto Toronto ON Canada.,Department of Psychiatry Faculty of Medicine University of Toronto Toronto ON Canada.,Toronto Rehabilitation Institute Rumsey Centre Cardiac Rehabilitation Toronto ON Canada
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43
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Cannavo A, Liccardo D, Komici K, Corbi G, de Lucia C, Femminella GD, Elia A, Bencivenga L, Ferrara N, Koch WJ, Paolocci N, Rengo G. Sphingosine Kinases and Sphingosine 1-Phosphate Receptors: Signaling and Actions in the Cardiovascular System. Front Pharmacol 2017; 8:556. [PMID: 28878674 PMCID: PMC5572949 DOI: 10.3389/fphar.2017.00556] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/07/2017] [Indexed: 12/20/2022] Open
Abstract
The sphingosine kinases 1 and 2 (SphK1 and 2) catalyze the phosphorylation of the lipid, sphingosine, generating the signal transmitter, sphingosine 1-phosphate (S1P). The activation of such kinases and the subsequent S1P generation and secretion in the blood serum of mammals represent a major checkpoint in many cellular signaling cascades. In fact, activating the SphK/S1P system is critical for cell motility and proliferation, cytoskeletal organization, cell growth, survival, and response to stress. In the cardiovascular system, the physiological effects of S1P intervene through the binding and activation of a family of five highly selective G protein-coupled receptors, called S1PR1-5. Importantly, SphK/S1P signal is present on both vascular and myocardial cells. S1P is a well-recognized survival factor in many tissues. Therefore, it is not surprising that the last two decades have seen a flourishing of interest and investigative efforts directed to obtain additional mechanistic insights into the signaling, as well as the biological activity of this phospholipid, and of its receptors, especially in the cardiovascular system. Here, we will provide an up-to-date account on the structure and function of sphingosine kinases, discussing the generation, release, and function of S1P. Keeping the bull's eye on the cardiovascular system, we will review the structure and signaling cascades and biological actions emanating from the stimulation of different S1P receptors. We will end this article with a summary of the most recent, experimental and clinical observations targeting S1PRs and SphKs as possible new therapeutic avenues for cardiovascular disorders, such as heart failure.
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Affiliation(s)
- Alessandro Cannavo
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States.,Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Daniela Liccardo
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States.,Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Klara Komici
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Graziamaria Corbi
- Department of Medicine and Health Science, University of MoliseCampobasso, Italy
| | - Claudio de Lucia
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
| | | | - Andrea Elia
- Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
| | - Leonardo Bencivenga
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Nicola Ferrara
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy.,Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
| | - Walter J Koch
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
| | - Nazareno Paolocci
- Division of Cardiology, Johns Hopkins University Medical Institutions, BaltimoreMD, United States.,Department of Experimental Medicine, University of PerugiaPerugia, Italy
| | - Giuseppe Rengo
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy.,Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
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44
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Moritz E, Wegner D, Groß S, Bahls M, Dörr M, Felix SB, Ittermann T, Oswald S, Nauck M, Friedrich N, Böger RH, Daum G, Schwedhelm E, Rauch BH. Reference intervals for serum sphingosine-1-phosphate in the population-based Study of Health in Pomerania. Clin Chim Acta 2017; 468:25-31. [PMID: 28159438 DOI: 10.1016/j.cca.2017.01.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/27/2017] [Accepted: 01/30/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND The bioactive signaling lipid sphingosine-1-phosphate (S1P) is a potential biomarker for cardiovascular disease (CVD). To date, no reference intervals for S1P have been defined. This study aims to establish a reference range for serum S1P in healthy individuals. METHODS We determined reference intervals for S1P levels according to gender and age in a sample of 1339 healthy participants of the Study of Health in Pomerania (SHIP)-TREND cohort after exclusion of subjects with CVD, diabetes mellitus, hypertension, metabolic syndrome, elevated liver enzymes, chronic kidney disease stadium III or IV, or body mass index (BMI)>30kg/m2. Serum S1P was measured by liquid chromatography-tandem mass spectrometry. RESULTS The median age of the participants was 41 (25th; 75th percentile 32; 51) years, 65% were women. The median serum concentration of S1P was 0.804 (0.694; 0.920) μmol/L. No association with gender and age was observed. The overall reference interval was 0.534-1.242μmol/L (2.5th; 97.5th percentile). Further exclusion of smokers, individuals with BMI>25kg/m2 or elevated lipid levels did not significantly affect median S1P concentrations. CONCLUSIONS This study provides reference intervals for serum S1P in healthy individuals. Total serum S1P concentrations vary irrespectively of age, gender, BMI or smoking status.
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Affiliation(s)
- Eileen Moritz
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Germany; Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Danilo Wegner
- Institute of Pharmacology, Department of Clinical Pharmacology, University Medicine Greifswald, Germany
| | - Stefan Groß
- Department of Internal Medicine B, University Medicine Greifswald, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany
| | - Martin Bahls
- Department of Internal Medicine B, University Medicine Greifswald, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany
| | - Marcus Dörr
- Department of Internal Medicine B, University Medicine Greifswald, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany
| | - Stephan B Felix
- Department of Internal Medicine B, University Medicine Greifswald, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany
| | - Till Ittermann
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany; Institute for Community Medicine, University Medicine Greifswald, Germany
| | - Stefan Oswald
- Institute of Pharmacology, Department of Clinical Pharmacology, University Medicine Greifswald, Germany
| | - Matthias Nauck
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany; Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Germany
| | - Nele Friedrich
- German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany; Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Germany
| | - Rainer H Böger
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Günter Daum
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany; Clinic and Polyclinic for Vascular Medicine, University Heart Center, University Medical Center Hamburg-Eppendorf, Germany
| | - Edzard Schwedhelm
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Bernhard H Rauch
- Institute of Pharmacology, Department of General Pharmacology, University Medicine Greifswald, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Greifswald, Germany.
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45
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Cannavo A, Liccardo D, Komici K, Corbi G, de Lucia C, Femminella GD, Elia A, Bencivenga L, Ferrara N, Koch WJ, Paolocci N, Rengo G. Sphingosine Kinases and Sphingosine 1-Phosphate Receptors: Signaling and Actions in the Cardiovascular System. Front Pharmacol 2017. [PMID: 28878674 DOI: 10.3389/fphar.2017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
The sphingosine kinases 1 and 2 (SphK1 and 2) catalyze the phosphorylation of the lipid, sphingosine, generating the signal transmitter, sphingosine 1-phosphate (S1P). The activation of such kinases and the subsequent S1P generation and secretion in the blood serum of mammals represent a major checkpoint in many cellular signaling cascades. In fact, activating the SphK/S1P system is critical for cell motility and proliferation, cytoskeletal organization, cell growth, survival, and response to stress. In the cardiovascular system, the physiological effects of S1P intervene through the binding and activation of a family of five highly selective G protein-coupled receptors, called S1PR1-5. Importantly, SphK/S1P signal is present on both vascular and myocardial cells. S1P is a well-recognized survival factor in many tissues. Therefore, it is not surprising that the last two decades have seen a flourishing of interest and investigative efforts directed to obtain additional mechanistic insights into the signaling, as well as the biological activity of this phospholipid, and of its receptors, especially in the cardiovascular system. Here, we will provide an up-to-date account on the structure and function of sphingosine kinases, discussing the generation, release, and function of S1P. Keeping the bull's eye on the cardiovascular system, we will review the structure and signaling cascades and biological actions emanating from the stimulation of different S1P receptors. We will end this article with a summary of the most recent, experimental and clinical observations targeting S1PRs and SphKs as possible new therapeutic avenues for cardiovascular disorders, such as heart failure.
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Affiliation(s)
- Alessandro Cannavo
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Daniela Liccardo
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Klara Komici
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Graziamaria Corbi
- Department of Medicine and Health Science, University of MoliseCampobasso, Italy
| | - Claudio de Lucia
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
| | | | - Andrea Elia
- Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
| | - Leonardo Bencivenga
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
| | - Nicola Ferrara
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
- Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
| | - Walter J Koch
- Lewis Katz School of Medicine, Center for Translational Medicine, Temple University, PhiladelphiaPA, United States
| | - Nazareno Paolocci
- Division of Cardiology, Johns Hopkins University Medical Institutions, BaltimoreMD, United States
- Department of Experimental Medicine, University of PerugiaPerugia, Italy
| | - Giuseppe Rengo
- Department of Translational Medical Sciences, University of Naples Federico IINaples, Italy
- Istituti Clinici Scientifici Maugeri SpA Società Benefit, Telese Terme Institute (BN)Telese, Italy
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46
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Reynolds GM, Visentin B, Sabbadini R. Immunohistochemical Detection of Sphingosine-1-Phosphate and Sphingosine Kinase-1 in Human Tissue Samples and Cell Lines. Methods Mol Biol 2017; 1697:43-56. [PMID: 28560513 DOI: 10.1007/7651_2017_44] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Sphingosine-1-phosphate (S1P) and the enzyme primarily responsible for its production, sphingosine kinase-1 (SphK-1), are dysregulated in multiple human diseases including cancer, multiple sclerosis (MS), diabetes, neurological diseases, fibrosis, and certain pathologies associated with impaired angiogenesis such as age-related macular degeneration (AMD). Antibody-based techniques to identify and localize S1P and SphK-1 within cells and tissue specimens represent a powerful tool, not only to understand biological role of these molecules but also to validate these unique in-class targets in multiple state diseases. Consequently, the potential applications of these molecules for therapy and diagnostic purposes are currently under investigation. Here, we describe a new improved technique, Agitated Low Temperature Epitope Retrieval (ALTER) for staining procedures, to identify expression of S1P and SphK-1 in human frozen tissue samples. The challenges encountered in the process of localization in tissue samples of lipid molecules such as S1P are discussed.
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Affiliation(s)
- Gary M Reynolds
- Centre for Liver Research and NIHR Biomedical Research Unit, University of Birmingham and Queen Elizabeth Hospital Birmingham, Birmingham, B15 2TT, UK.
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47
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Myśliwiec H, Baran A, Harasim-Symbor E, Choromańska B, Myśliwiec P, Milewska AJ, Chabowski A, Flisiak I. Increase in circulating sphingosine-1-phosphate and decrease in ceramide levels in psoriatic patients. Arch Dermatol Res 2016; 309:79-86. [PMID: 27988894 PMCID: PMC5309277 DOI: 10.1007/s00403-016-1709-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Revised: 11/28/2016] [Accepted: 12/08/2016] [Indexed: 01/03/2023]
Abstract
Psoriasis is characterized by hyperproliferation, deregulated differentiation and impaired apoptosis of keratinocytes. Mechanisms of lipid profile disturbances and metabolic syndrome in the psoriatic patients are still not fully understood. Sphingolipids, namely ceramides (CER) and sphingosine-1-phosphate (S1P) are signal molecules which can regulate cell growth, apoptosis and immune reactions. The aim of the study was to evaluate circulating CER and S1P levels in plaque-type psoriasis and their associations with the disease activity, inflammatory or metabolic markers and the presence of psoriatic comorbidities. Eighty-five patients with exacerbated plaque-type psoriasis and thirty-two healthy controls were enrolled. Serum CER and S1P concentrations before the treatment were examined. General patient characteristics included: PASI (Psoriasis Area and Severity Index), BMI (Body Mass Index), inflammatory and biochemical markers, lipid profile and presence of psoriatic comorbidities. Total serum concentration of CER was significantly decreased (p = 0.02) and concomitantly S1P levels significantly increased (p = 0.002) in psoriatic patients compared to the healthy control group. Among patients with psoriasis no significant correlations with the disease activity and inflammation markers were observed and only patients with psoriatic arthritis had significantly higher CER total concentration. Serum sphingolipid disturbances in psoriatic patients were observed. Decreased total CER and increased S1P serum levels may reflect their epidermal altered composition and metabolism. Patients with psoriatic arthritis have higher CER levels than psoriasis with skin involvement only. It might provide additional predictive value for psoriatic arthritis and may convey higher risk of metabolic and cardiovascular disease development in this group of patients.
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Affiliation(s)
- Hanna Myśliwiec
- Department of Dermatology and Venereology, Medical University of Bialystok, Żurawia Str. 14, 15-540, Bialystok, Poland.
| | - Anna Baran
- Department of Dermatology and Venereology, Medical University of Bialystok, Żurawia Str. 14, 15-540, Bialystok, Poland
| | - Ewa Harasim-Symbor
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Barbara Choromańska
- I Department of General and Endocrinological Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Piotr Myśliwiec
- I Department of General and Endocrinological Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Anna Justyna Milewska
- Department of Statistics and Medical Informatics, Medical University of Bialystok, Bialystok, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Iwona Flisiak
- Department of Dermatology and Venereology, Medical University of Bialystok, Żurawia Str. 14, 15-540, Bialystok, Poland
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48
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Serum-Sphingosine-1-Phosphate Concentrations Are Inversely Associated with Atherosclerotic Diseases in Humans. PLoS One 2016; 11:e0168302. [PMID: 27973607 PMCID: PMC5156421 DOI: 10.1371/journal.pone.0168302] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 11/30/2016] [Indexed: 11/19/2022] Open
Abstract
Background and Objectives Atherosclerotic changes of arteries are the leading cause for deaths in cardiovascular disease and greatly impair patient’s quality of life. Sphingosine-1-phosphate (S1P) is a signaling sphingolipid that regulates potentially pro-as well as anti-atherogenic processes. Here, we investigate whether serum-S1P concentrations are associated with peripheral artery disease (PAD) and carotid stenosis (CS). Methods and Results Serum was sampled from blood donors (controls, N = 174) and from atherosclerotic patients (N = 132) who presented to the hospital with either clinically relevant PAD (N = 102) or CS (N = 30). From all subjects, serum-S1P was measured by mass spectrometry and blood parameters were determined by routine laboratory assays. When compared to controls, atherosclerotic patients before invasive treatment to restore blood flow showed significantly lower serum-S1P levels. This difference cannot be explained by risk factors for atherosclerosis (old age, male gender, hypertension, hypercholesteremia, obesity, diabetes or smoking) or comorbidities (Chronic obstructive pulmonary disease, kidney insufficiency or arrhythmia). Receiver operating characteristic curves suggest that S1P has more power to indicate atherosclerosis (PAD and CS) than high density lipoprotein-cholesterol (HDL-C). In 35 patients, serum-S1P was measured again between one and six months after treatment. In this group, serum-S1P concentrations rose after treatment independent of whether patients had PAD or CS, or whether they underwent open or endovascular surgery. Post-treatment S1P levels were highly associated to platelet numbers measured pre-treatment. Conclusions Our study shows that PAD and CS in humans is associated with decreased serum-S1P concentrations and that S1P may possess higher accuracy to indicate these diseases than HDL-C.
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Abstract
Numerous preclinical studies indicate that sustained endothelial activation significantly contributes to tissue edema, perpetuates the inflammatory response, and exacerbates tissue injury ultimately resulting in organ failure. However, no specific therapies aimed at restoring endothelial function are available as yet. Sphingosine-1-phosphate (S1P) is emerging as a potent modulator of endothelial function and endothelial responses to injury. Recent studies indicate that S1PR are attractive targets to treat not only disorders of the arterial endothelium but also microvascular dysfunction caused by ischemic or inflammatory injury. In this article, we will review the current knowledge of the role of S1P and its receptors in endothelial function in health and disease, and we will discuss the therapeutic potential of targeting S1PR not only for disorders of the arterial endothelium but also the microvasculature. The therapeutic targeting of S1PR in the endothelium could help to bridge the gap between biomedical research in vascular biology and clinical practice.
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Affiliation(s)
- Teresa Sanchez
- Department of Pathology and Laboratory Medicine, Center for Vascular Biology, Weill Cornell Medical College, 1300 York Ave, Room A607B/Box 69, New York, NY, 10065, USA.
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50
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Gairhe S, Joshi SR, Bastola MM, McLendon JM, Oka M, Fagan KA, McMurtry IF. Sphingosine-1-phosphate is involved in the occlusive arteriopathy of pulmonary arterial hypertension. Pulm Circ 2016; 6:369-80. [PMID: 27683614 DOI: 10.1086/687766] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Despite several advances in the pathobiology of pulmonary arterial hypertension (PAH), its pathogenesis is not completely understood. Current therapy improves symptoms but has disappointing effects on survival. Sphingosine-1-phosphate (S1P) is a lysophospholipid synthesized by sphingosine kinase 1 (SphK1) and SphK2. Considering the regulatory roles of S1P in several tissues leading to vasoconstriction, inflammation, proliferation, and fibrosis, we investigated whether S1P plays a role in the pathogenesis of PAH. To test this hypothesis, we used plasma samples and lung tissue from patients with idiopathic PAH (IPAH) and the Sugen5416/hypoxia/normoxia rat model of occlusive PAH. Our study revealed an increase in the plasma concentration of S1P in patients with IPAH and in early and late stages of PAH in rats. We observed increased expression of both SphK1 and SphK2 in the remodeled pulmonary arteries of patients with IPAH and PAH rats. Exogenous S1P stimulated the proliferation of cultured rat pulmonary arterial endothelial and smooth-muscle cells. We also found that 3 weeks of treatment of late-stage PAH rats with an SphK1 inhibitor reduced the increased plasma levels of S1P and the occlusive pulmonary arteriopathy. Although inhibition of SphK1 improved cardiac index and the total pulmonary artery resistance index, it did not reduce right ventricular systolic pressure or right ventricular hypertrophy. Our study supports that S1P is involved in the pathogenesis of occlusive arteriopathy in PAH and provides further evidence that S1P signaling may be a novel therapeutic target.
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Affiliation(s)
- Salina Gairhe
- Departments of Internal Medicine and Pharmacology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Sachindra R Joshi
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Department of Biochemistry, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Mrigendra M Bastola
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Jared M McLendon
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Department of Biochemistry, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Masahiko Oka
- Departments of Internal Medicine and Pharmacology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Karen A Fagan
- Departments of Internal Medicine and Pharmacology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA
| | - Ivan F McMurtry
- Departments of Internal Medicine and Pharmacology, College of Medicine, University of South Alabama, Mobile, Alabama, USA; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama, USA
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