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Kang H, Song J, Cheng Y. HDL regulates the risk of cardiometabolic and inflammatory-related diseases: Focusing on cholesterol efflux capacity. Int Immunopharmacol 2024; 138:112622. [PMID: 38971111 DOI: 10.1016/j.intimp.2024.112622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2024] [Revised: 06/29/2024] [Accepted: 07/01/2024] [Indexed: 07/08/2024]
Abstract
Dyslipidemia, characterized by higher serum concentrations of low-density lipoprotein cholesterol (LDL-C), very low-density lipoprotein cholesterol (VLDL-C), triglyceride (TG), and lower serum concentrations of high-density lipoprotein cholesterol (HDL-C), is confirmed as a hallmark of cardiovascular diseases (CVD), posing serious risks to the future health of humans. Aside from the role of HDL-C concentrations, the capacity of cholesterol efflux to HDL is being identified as an enssential messurement for the dyslipidemic morbidity. Through inducing the progression of reverse cholesterol transport (RCT), the HDL-related cholesterol efflux plays a vital role in atherosclerotic plaque formation. In addition, increasing results demonstrated that the relationships between cholesterol efflux and cardiovascular events might be influenced by multiple factors, such as atherosclerosis, diabetes, and, inflammatory diseases. These risk factors could affect the intracellular composition of HDL, which might subsqently influence the cholesterol efflux process induced by HDL particle. In the present comprehensive article, we summarize the latest findings which described the modulatory roles of HDL in cardiometabolic disorders and inflammatory related diseases, focusing on its capacity in mediating cholesterol efflux. Moreover, the potential mechanisms whereby HDL regulate the risk of cardiometabolic disorders or inflammatory related diseases, at least partly, via cholesterol efflux pathway, are also well-listed.
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Affiliation(s)
- Huiyuan Kang
- Department of Cardiology, the Xiamen Cardiovascular Hospital of Xiamen University, Xiamen, Fujian, China
| | - Jingjin Song
- Department of Cardiology, the Xiamen Cardiovascular Hospital of Xiamen University, Xiamen, Fujian, China
| | - Ye Cheng
- Department of Cardiology, the Xiamen Cardiovascular Hospital of Xiamen University, Xiamen, Fujian, China.
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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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Zvintzou E, Xepapadaki E, Skroubis G, Mparnia V, Giannatou K, Benabdellah K, Kypreos KE. High-Density Lipoprotein in Metabolic Disorders and Beyond: An Exciting New World Full of Challenges and Opportunities. Pharmaceuticals (Basel) 2023; 16:855. [PMID: 37375802 DOI: 10.3390/ph16060855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/17/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
High-density lipoprotein (HDL) is an enigmatic member of the plasma lipid and lipoprotein transport system, best known for its ability to promote the reverse cholesterol efflux and the unloading of excess cholesterol from peripheral tissues. More recently, data in experimental mice and humans suggest that HDL may play important novel roles in other physiological processes associated with various metabolic disorders. Important parameters in the HDL functions are its apolipoprotein and lipid content, further reinforcing the principle that HDL structure defines its functionality. Thus, based on current evidence, low levels of HDL-cholesterol (HDL-C) or dysfunctional HDL particles contribute to the development of metabolic diseases such as morbid obesity, type 2 diabetes mellitus, and nonalcoholic fatty liver disease. Interestingly, low levels of HDL-C and dysfunctional HDL particles are observed in patients with multiple myeloma and other types of cancer. Therefore, adjusting HDL-C levels within the optimal range and improving HDL particle functionality is expected to benefit such pathological conditions. The failure of previous clinical trials testing various HDL-C-raising pharmaceuticals does not preclude a significant role for HDL in the treatment of atherosclerosis and related metabolic disorders. Those trials were designed on the principle of "the more the better", ignoring the U-shape relationship between HDL-C levels and morbidity and mortality. Thus, many of these pharmaceuticals should be retested in appropriately designed clinical trials. Novel gene-editing-based pharmaceuticals aiming at altering the apolipoprotein composition of HDL are expected to revolutionize the treatment strategies, improving the functionality of dysfunctional HDL.
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Affiliation(s)
- Evangelia Zvintzou
- Department of Pharmacology, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
| | - Eva Xepapadaki
- Department of Pharmacology, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
| | - George Skroubis
- Morbid Obesity Unit, Department of Surgery, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
| | - Victoria Mparnia
- Department of Pharmacology, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
| | - Katerina Giannatou
- Department of Pharmacology, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
| | - Karim Benabdellah
- Department of Genomic Medicine, Pfizer-University of Granada-Andalusian Regional Government Centre for Genomics and Oncological Research (GENYO), PTS, Avda. de la Ilustración 114, 18016 Granada, Spain
| | - Kyriakos E Kypreos
- Department of Pharmacology, School of Medicine, University of Patras, Rio Achaias, 26500 Patras, Greece
- Department of Life Sciences, School of Sciences, European University Cyprus, 2404 Nicosia, Cyprus
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Piccoli M, Cirillo F, Ghiroldi A, Rota P, Coviello S, Tarantino A, La Rocca P, Lavota I, Creo P, Signorelli P, Pappone C, Anastasia L. Sphingolipids and Atherosclerosis: The Dual Role of Ceramide and Sphingosine-1-Phosphate. Antioxidants (Basel) 2023; 12:antiox12010143. [PMID: 36671005 PMCID: PMC9855164 DOI: 10.3390/antiox12010143] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/28/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Sphingolipids are bioactive molecules that play either pro- and anti-atherogenic roles in the formation and maturation of atherosclerotic plaques. Among SLs, ceramide and sphingosine-1-phosphate showed antithetic properties in regulating various molecular mechanisms and have emerged as novel potential targets for regulating the development of atherosclerosis. In particular, maintaining the balance of the so-called ceramide/S1P rheostat is important to prevent the occurrence of endothelial dysfunction, which is the trigger for the entire atherosclerotic process and is strongly associated with increased oxidative stress. In addition, these two sphingolipids, together with many other sphingolipid mediators, are directly involved in the progression of atherogenesis and the formation of atherosclerotic plaques by promoting the oxidation of low-density lipoproteins (LDL) and influencing the vascular smooth muscle cell phenotype. The modulation of ceramide and S1P levels may therefore allow the development of new antioxidant therapies that can prevent or at least impair the onset of atherogenesis, which would ultimately improve the quality of life of patients with coronary artery disease and significantly reduce their mortality.
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Affiliation(s)
- Marco Piccoli
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Federica Cirillo
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Andrea Ghiroldi
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Paola Rota
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20133 Milan, Italy
| | - Simona Coviello
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Adriana Tarantino
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
| | - Paolo La Rocca
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy
| | - Ivana Lavota
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Pasquale Creo
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Paola Signorelli
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Aldo Ravelli Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Via Antonio di Rudinì 8, 20142 Milan, Italy
| | - Carlo Pappone
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
- Arrhythmology Department, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
| | - Luigi Anastasia
- Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
- Faculty of Medicine and Surgery, University Vita-Salute San Raffaele, Via Olgettina 58, 20132 Milan, Italy
- Correspondence: ; Tel.: +39-0226437765
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Kurano M, Tsukamoto K, Sakai E, Yatomi Y. Differences in the Distribution of Ceramides and Sphingosine among Lipoprotein and Lipoprotein-Depleted Fractions in Patients with Type 2 Diabetes Mellitus. J Atheroscler Thromb 2022; 29:1727-1758. [PMID: 35082227 PMCID: PMC9881536 DOI: 10.5551/jat.63249] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
AIM In addition to the quantity and quality, the carriers, such as lipoproteins and albumin, can affect the physiological properties and clinical significance of lipids. This study aimed to elucidate the modulation of the levels of ceramides and sphingosine, which are considered as proatherosclerotic lipids, in lipoproteins and lipoprotein-depleted fractions in subjects with type 2 diabetes. METHODS We separated the serum samples collected from healthy subjects (n=22) and subjects with type 2 diabetes (n=39) into Triglyceride (TG)-rich lipoproteins (TRL), low-density lipoprotein (LDL), high-density lipoprotein (HDL), and lipoprotein-depleted fractions via ultracentrifugation. Then, we measured the levels of six species of ceramides, sphingosine, and dihydrosphingosine via LC-MS/MS and statistically analyzed them to identify the sphingolipids in each fraction, which are associated with diabetes as well as cardiovascular and renal complications. RESULTS In subjects with diabetes, the levels of sphingosine and dihydrosphingosine in the TRL, LDL, and lipoprotein-depleted fractions were higher, whereas those in the HDL were lower. In addition, the ceramide levels in HDL were lower, whereas those in lipoprotein-depleted fractions were higher. Furthermore, The levels of ceramides in lipoproteins, especially LDL, were negatively associated with the presence of cardiovascular diseases and stage 4 diabetic nephropathy. CONCLUSIONS The contents of ceramides and sphingosine in lipoproteins and lipoprotein-depleted fractions were differently modulated in diabetes and associated with cardiovascular diseases and diabetic nephropathy. The carrier might be an important factor for the biological properties and clinical significance of these sphingolipids.
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Affiliation(s)
- Makoto Kurano
- Department of Clinical Laboratory Medicine, The University of Tokyo, Tokyo, Japan,Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan
| | - Kazuhisa Tsukamoto
- Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Eri Sakai
- Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan
| | - Yutaka Yatomi
- Department of Clinical Laboratory Medicine, The University of Tokyo, Tokyo, Japan,Department of Clinical Laboratory, The University of Tokyo Hospital, Tokyo, Japan
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6
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Chen K, Wang Z, Liu C, Yang X, Jiang J. Sphingosine-1-phosphate Attenuates Endoplasmic Reticulum Stress-induced Cardiomyocyte Apoptosis Through Sphingosine-1-phosphate Receptor 1. Arch Med Res 2022; 53:562-573. [PMID: 35999060 DOI: 10.1016/j.arcmed.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 07/03/2022] [Accepted: 08/09/2022] [Indexed: 11/02/2022]
Abstract
BACKGROUND Endoplasmic reticulum stress (ER stress) is involved in the development and progression of various forms of heart disease and may lead to myocardial apoptosis. Sphingosine-1-phosphate (S1P) possesses cardioprotective properties, including anti-apoptosis. However, little is known about the link between S1P and ER stress-induced myocardial apoptosis. This study investigated the regulatory role of S1P in ER stress-induced apoptosis in cardiomyocytes. METHODS ER stress and myocardial apoptosis were induced by transverse aortic constriction (TAC) or tunicamycin in mice, which were then treated with 2-acetyl-5-tetrahydroxybutyl imidazole (THI) or S1P. AC16 cells were treated with tunicamycin or thapsigargin, or pretreated with S1P, sphingosine-1-phosphate receptor (S1PR) subtype antagonists, S1PR1 agonist, and PI3K and MEK inhibitors. Cardiac function, the level of S1P in plasma and heart, ER stress markers, cell viability, and apoptosis were detected. RESULTS S1P reduced the expression of ER stress-related molecules and ER stress-induced myocardial apoptosis in mice subjected to TAC or an injection of tunicamycin. Furthermore, in AC16 cells exposed to thapsigargin or tunicamycin, S1P decreased the expression of ER stress-related molecules, promoting cell viability and survival. Nevertheless, the S1PR1 antagonist abrogated the protection of S1P. Subsequently, in TAC S1PR1 heterozygous (S1PR1+/-) mice, S1P had no effect on ER stress and apoptosis in cardiomyocytes. Notably, in vitro, the impact of anti-ER stress-induced myocardial apoptosis by the S1PR1 agonist was reversed by PI3K and MEK inhibitors. CONCLUSION This study is the first to demonstrate that S1P relieves ER stress-induced myocardial apoptosis via S1PR1/AKT and S1PR1/ERK1/2, which are potential therapeutic targets for heart disease.
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Affiliation(s)
- Kengquan Chen
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhongqin Wang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Liu
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xing Yang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiangang Jiang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Hoji A, Kumar R, Gern JE, Bendixsen CG, Seroogy CM, Cook-Mills JM. Cord blood sphingolipids are associated with atopic dermatitis and wheeze in the first year of life. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. GLOBAL 2022; 1:162-171. [PMID: 36117517 PMCID: PMC9479978 DOI: 10.1016/j.jacig.2022.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/03/2022] [Accepted: 03/29/2022] [Indexed: 11/18/2022]
Abstract
Background Allergen-sensitized pregnant mice have increased plasma levels of the lipids β-glucosylceramides (βGlcCers) that are transplacentally transferred to the fetus, increased subsets of proinflammatory dendritic cells in the fetal liver and pup lung, and increased allergen-induced offspring lung inflammation. Objective Our aim was to determine whether these preclinical observations extend to a human association of βGlcCers with wheeze and allergic disease in the prospective Wisconsin Infant Study Cohort. Methods We measured 74 lipids in cord blood plasma by using mass spectrometry detection of sphingolipids, eicosanoids, and docosinoids, as well as an ELISA for 13-hydroxyoctadecadienoic acid. Lipid profiles were determined by unbiased Uniform Manifold Approximation and Projection dimensional reduction machine learning. Lipid profiles and a proinflammatory lipid index were analyzed for association with maternal allergy and childhood outcomes of wheeze, atopic dermatitis, cord blood leukocytes, and total IgE level at age 1 year. Results Uniform Manifold Approximation and Projection analysis of lipids defined 8 cluster-specific plasma lipid profiles. Cluster 6 had significantly lower levels of plasma βGlcCers and a higher frequency of cord blood plasmacytoid dendritic cells that mediate anti-inflammatory responses, which is consistent with an anti-inflammatory profile. For clusters and for each infant, a proinflammatory lipid index was calculated to reflect the sum of the proinflammatory lipids minus the anti-inflammatory lipids that were significantly different than in cluster 6. The cluster proinflammatory lipid index was associated with cord blood basophil frequency and with wheeze and atopic dermatitis in the first year of life. The infant inflammatory lipid index was associated with increased risk of wheeze in the first year of life. Conclusion The cord blood proinflammatory lipid index is associated with early-life atopic dermatitis and wheezing.
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Affiliation(s)
- Aki Hoji
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics and Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Ind
| | - Rajesh Kumar
- Ann and Robert H. Lurie Children’s Hospital of Chicago, Division of Allergy and Clinical Immunology, Chicago, Ill
- Northwestern University Feinberg School of Medicine, Department of Pediatrics, Chicago, Ill
| | - James E. Gern
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Marshfield, Wis
| | - Casper G. Bendixsen
- Marshfield Clinic Research Institute, National Farm Medicine Center, Marshfield, Wis
| | - Christine M. Seroogy
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, Marshfield, Wis
| | - Joan M. Cook-Mills
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics and Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Ind
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Ind
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8
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Merleev AA, Le ST, Alexanian C, Toussi A, Xie Y, Marusina AI, Watkins SM, Patel F, Billi AC, Wiedemann J, Izumiya Y, Kumar A, Uppala R, Kahlenberg JM, Liu FT, Adamopoulos IE, Wang EA, Ma C, Cheng MY, Xiong H, Kirane A, Luxardi G, Andersen B, Tsoi LC, Lebrilla CB, Gudjonsson JE, Maverakis E. Biogeographic and disease-specific alterations in epidermal lipid composition and single cell analysis of acral keratinocytes. JCI Insight 2022; 7:159762. [PMID: 35900871 PMCID: PMC9462509 DOI: 10.1172/jci.insight.159762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The epidermis is the outermost layer of skin. Here, we used targeted lipid profiling to characterize the biogeographic alterations of human epidermal lipids across 12 anatomically distinct body sites, and we used single-cell RNA-Seq to compare keratinocyte gene expression at acral and nonacral sites. We demonstrate that acral skin has low expression of EOS acyl-ceramides and the genes involved in their synthesis, as well as low expression of genes involved in filaggrin and keratin citrullination (PADI1 and PADI3) and corneodesmosome degradation, changes that are consistent with increased corneocyte retention. Several overarching principles governing epidermal lipid expression were also noted. For example, there was a strong negative correlation between the expression of 18-carbon and 22-carbon sphingoid base ceramides. Disease-specific alterations in epidermal lipid gene expression and their corresponding alterations to the epidermal lipidome were characterized. Lipid biomarkers with diagnostic utility for inflammatory and precancerous conditions were identified, and a 2-analyte diagnostic model of psoriasis was constructed using a step-forward algorithm. Finally, gene coexpression analysis revealed a strong connection between lipid and immune gene expression. This work highlights (a) mechanisms by which the epidermis is uniquely adapted for the specific environmental insults encountered at different body surfaces and (b) how inflammation-associated alterations in gene expression affect the epidermal lipidome.
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Affiliation(s)
- Alexander A Merleev
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Stephanie T Le
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Claire Alexanian
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Atrin Toussi
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Yixuan Xie
- Department of Chemistry, University of California, Davis, Sacramento, United States of America
| | - Alina I Marusina
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | | | - Forum Patel
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Allison C Billi
- Department of Dermatology, University of Michigan, Ann Arbor, United States of America
| | - Julie Wiedemann
- Department of Dermatology, University of California, Irvine, Irvine, United States of America
| | - Yoshihiro Izumiya
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Ashish Kumar
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Ranjitha Uppala
- Department of Dermatology, University of Michigan, Ann Arbor, United States of America
| | - J Michelle Kahlenberg
- Department of Internal Medicine, Division of Rheumatology, University of Michigan, Ann Arbor, United States of America
| | - Fu-Tong Liu
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Iannis E Adamopoulos
- Department of Rheumatology, University of California, Davis, Sacramento, United States of America
| | - Elizabeth A Wang
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Chelsea Ma
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Michelle Y Cheng
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Halani Xiong
- Verso Biosciences, Davis, United States of America
| | - Amanda Kirane
- Department of Surgery, University of California, Davis, Sacramento, United States of America
| | - Guillaume Luxardi
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
| | - Bogi Andersen
- Department of Dermatology, University of California, Irvine, Irvine, United States of America
| | - Lam C Tsoi
- Department of Dermatology, University of Michigan, Ann Arbor, United States of America
| | - Carlito B Lebrilla
- Department of Chemistry, University of California, Davis, Sacramento, United States of America
| | - Johann E Gudjonsson
- Department of Dermatology, University of Michigan, Ann Arbor, United States of America
| | - Emanual Maverakis
- Department of Dermatology, University of California, Davis, Sacramento, United States of America
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9
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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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10
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HDL Structure. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1377:1-11. [DOI: 10.1007/978-981-19-1592-5_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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HDL and Lipid Metabolism. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1377:49-61. [DOI: 10.1007/978-981-19-1592-5_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Sasset L, Di Lorenzo A. Sphingolipid Metabolism and Signaling in Endothelial Cell Functions. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1372:87-117. [PMID: 35503177 DOI: 10.1007/978-981-19-0394-6_8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The endothelium, inner layer of blood vessels, constitutes a metabolically active paracrine, endocrine, and autocrine organ, able to sense the neighboring environment and exert a variety of biological functions important to preserve the health of vasculature, tissues, and organs. Sphingolipids are both fundamental structural components of the eukaryotic membranes and signaling molecules regulating a variety of biological functions. Ceramide and sphingosine-1-phosphate (S1P), bioactive sphingolipids, have emerged as important regulators of cardiovascular functions in health and disease. In this review we discuss recent insights into the role of ceramide and S1P biosynthesis and signaling in regulating endothelial cell functions, in health and diseases. We also highlight advances into the mechanisms regulating serine palmitoyltransferase, the first and rate-limiting enzyme of de novo sphingolipid biosynthesis, with an emphasis on its inhibitors, ORMDL and NOGO-B. Understanding the molecular mechanisms regulating the sphingolipid de novo biosynthesis may provide the foundation for therapeutic modulation of this pathway in a variety of conditions, including cardiovascular diseases, associated with derangement of this pathway.
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Affiliation(s)
- Linda Sasset
- Department of Pathology and Laboratory Medicine, Cardiovascular Research Institute, Feil Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA
| | - Annarita Di Lorenzo
- Department of Pathology and Laboratory Medicine, Cardiovascular Research Institute, Feil Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA.
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13
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Semler A, Hammad S, Lopes-Virella MF, Klein RL, Huang Y. Deoxysphingolipids Upregulate MMP-1, Downregulate TIMP-1, and Induce Cytotoxicity in Human Schwann Cells. Neuromolecular Med 2021; 24:352-362. [PMID: 34853975 DOI: 10.1007/s12017-021-08698-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/18/2021] [Indexed: 11/29/2022]
Abstract
Sphingolipids are a heterogeneous class of lipids and essential components of the plasma membrane and plasma lipoproteins. Studies have shown that plasma deoxysphingolipid (DSL), a newly identified sphingolipid class, is increased in diabetic patients and associated with diabetic neuropathy. However, it remains unknown if there is a causal relationship between plasma DSL increase and diabetic neuropathy. Since matrix metalloproteinases (MMPs) play an important role in diabetic neuropathy by degrading extracellular matrix in the peripheral nervous system, we investigated the effect of DSLs on the expression of MMPs and tissue inhibitor of metalloproteinase (TIMPs), and cytotoxicity in human Schwann cells. We quantified protein secretion, gene expression, and collagenase activity, and performed cytotoxicity assays. Results showed that DSLs upregulated MMP-1, downregulated TIMP-1, and induced cytotoxicity in Schwann cells. Furthermore, we quantified DSLs in VLDL, LDL, HDL2, and HDL3 isolated from type 2 diabetes mellitus (T2DM) patients with or without neuropathy. Interestingly, lipidomic analysis showed that only HDL2 isolated from T2DM patients with neuropathy contains significantly higher level of DSLs than that isolated from T2DM patients without neuropathy. Additionally, results showed that HDL2 isolated from T2DM patients with neuropathy was more potent than that isolated from T2DM patients without neuropathy in upregulating MMP-1, downregulating TIMP-1, and stimulating collagenase activity in Schwann cell. Taken together, this study demonstrated for the first time a potential causal relationship between DSLs and diabetic neuropathy and that DSL-containing HDL2 from T2DM patients with neuropathy was more potent than that from T2DM patients without neuropathy in stimulating collagenase activity.
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Affiliation(s)
- Andrea Semler
- Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Samar Hammad
- Department of Regenerative Medicine & Cell Biology, Medical University of South Carolina, Charleston, USA
| | - Maria F Lopes-Virella
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, 29401, USA.,Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Richard L Klein
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, 29401, USA.,Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, Medical University of South Carolina, Charleston, SC, 29425, USA
| | - Yan Huang
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, 29401, USA. .,Division of Endocrinology, Diabetes and Medical Genetics, Department of Medicine, Medical University of South Carolina, Charleston, SC, 29425, USA.
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14
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Zvintzou E, Karampela DS, Vakka A, Xepapadaki E, Karavia EA, Hatziri A, Giannopoulou PC, Kypreos KE. High density lipoprotein in atherosclerosis and coronary heart disease: Where do we stand today? Vascul Pharmacol 2021; 141:106928. [PMID: 34695591 DOI: 10.1016/j.vph.2021.106928] [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] [Received: 05/14/2021] [Revised: 09/28/2021] [Accepted: 10/18/2021] [Indexed: 01/23/2023]
Abstract
Epidemiological studies during the last five years suggest that a relation between high density lipoprotein cholesterol (HDL-C) levels and the risk for cardiovascular disease (CVD) does exist but follows rather a "U-shaped" curve with an optimal range of HDL-C concentration between 40 and 70 mg/dl for men and 50-70 mg/dl for women. Moreover, as research in the field of lipoproteins progresses it becomes increasingly apparent that HDL particles possess different attributes and depending on their structural and functional characteristics, they may be "antiatherogenic" or "proatherogenic". In light of this information, it is highly doubtful that the choice of experimental drugs and the design of respective clinical trials that put the HDL-C raising hypothesis at test, were the most suitable. Here, we compile the existing literature on HDL, providing a critical up-to-date view that focuses on key data from the biochemistry, epidemiology and pharmacology of HDL, including data from clinical trials. We also discuss the most up-to-date information on the contribution of HDL structure and function to the prevention of atherosclerosis. We conclude by summarizing important differences between mouse models and humans, that may explain why pharmacological successes in mice turn out to be failures in humans.
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Affiliation(s)
- Evangelia Zvintzou
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | | | - Aggeliki Vakka
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | - Eva Xepapadaki
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | - Eleni A Karavia
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | - Aikaterini Hatziri
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | - Panagiota C Giannopoulou
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece
| | - Kyriakos E Kypreos
- University of Patras, School of Medicine, Department of Pharmacology, Rio Achaias, TK 26500, Greece; European University Cyprus, Department of Life Sciences, School of Sciences, Nicosia, Cyprus.
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15
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B Gowda S, Gowda D, Kain V, Chiba H, Hui SP, Chalfant CE, Parcha V, Arora P, Halade GV. Sphingosine-1-phosphate interactions in the spleen and heart reflect extent of cardiac repair in mice and failing human hearts. Am J Physiol Heart Circ Physiol 2021; 321:H599-H611. [PMID: 34415189 DOI: 10.1152/ajpheart.00314.2021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Sphingosine-1-phosphate (S1P) is a bioactive mediator in inflammation. Dysregulated S1P is demonstrated as a cause of heart failure (HF). However, the time-dependent and integrative role of S1P interaction with receptors in HF is unclear after myocardial infarction (MI). In this study, the sphingolipid mediators were quantified in ischemic human hearts. We also measured the time kinetics of these mediators post-MI in murine spleen and heart as an integrative approach to understand the interaction of S1P and respective S1P receptors in the transition of acute (AHF) to chronic HF (CHF). Risk-free 8-12 wk male C57BL/6 mice were subjected to MI surgery, and MI was confirmed by echocardiography and histology. Mass spectrometry was used to quantify sphingolipids in plasma, infarcted heart, spleen of mice, and ischemic and healthy human heart. The physiological cardiac repair was observed in mice with a notable increase of S1P quantity (pmol/g) in the heart and spleen significantly reduced in patients with ischemic HF. The circulating murine S1P levels were increased during AHF and CHF despite lowered substrate in CHF. The S1PR1 receptor expression was observed to coincide with the respective S1P quantity in mice and human hearts. Furthermore, selective S1P1 agonist limited inflammatory markers CCL2 and TNF-α and accelerated reparative markers ARG-1 and YM-1 in macrophages in the presence of Kdo2-Lipid A (KLA; potent inflammatory stimulant). This report demonstrated the importance of S1P/S1PR1 signaling in physiological inflammation during cardiac repair in mice. Alteration in these axes may serve as the signs of pathological remodeling in patients with ischemia.NEW & NOTEWORTHY Previous studies indicate that sphingosine-1-phosphate (S1P) has some role in cardiovascular disease. This study adds quantitative and integrative systems-based approaches that are necessary for discovery and bedside translation. Here, we quantitated sphinganine, sphingosine, sphingosine-1-phosphate (S1P) in mice and human cardiac pathobiology. Interorgan S1P quantity and respective systems-based receptor activation suggest cardiac repair after myocardial infarction. Thus, S1P serves as a therapeutic target for cardiac protection in clinical translation.
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Affiliation(s)
| | - Divyavani Gowda
- Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Vasundhara Kain
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Hitoshi Chiba
- Department of Nutrition, Sapporo University of Health Sciences, Sapporo, Japan
| | - Shu-Ping Hui
- Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Charles E Chalfant
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, Florida.,Research Service, James A. Haley Veterans' Hospital, Tampa, Florida
| | - Vibhu Parcha
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Pankaj Arora
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
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16
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Patanapirunhakit P, Karlsson H, Mulder M, Ljunggren S, Graham D, Freeman D. Sphingolipids in HDL - Potential markers for adaptation to pregnancy? Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:158955. [PMID: 33933650 DOI: 10.1016/j.bbalip.2021.158955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 11/15/2022]
Abstract
Plasma high density lipoprotein (HDL) exhibits many functions that render it an effective endothelial protective agent and may underlie its potential role in protecting the maternal vascular endothelium during pregnancy. In non-pregnant individuals, the HDL lipidome is altered in metabolic disease compared to healthy individuals and is linked to reduced cholesterol efflux, an effect that can be reversed by lifestyle management. Specific sphingolipids such as sphingosine-1-phosphate (S1P) have been shown to mediate the vaso-dilatory effects of plasma HDL via interaction with the endothelial nitric oxide synthase pathway. This review describes the relationship between plasma HDL and vascular function during healthy pregnancy and details how this is lost in pre-eclampsia, a disorder of pregnancy associated with widespread endothelial dysfunction. Evidence of a role for HDL sphingolipids, in particular S1P and ceramide, in cardiovascular disease and in healthy pregnancy and pre-eclampsia is discussed. Available data suggest that HDL-S1P and HDL-ceramide can mediate vascular protection in healthy pregnancy but not in preeclampsia. HDL sphingolipids thus are of potential importance in the healthy maternal adaptation to pregnancy.
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Affiliation(s)
- Patamat Patanapirunhakit
- Faculty of Medicine, Siriraj Hospital, Mahidol University, Thailand; Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
| | - Helen Karlsson
- Occupational and Environmental Medicine Center, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
| | - Monique Mulder
- Division of Pharmacology, Vascular and Metabolic Diseases, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands.
| | - Stefan Ljunggren
- Occupational and Environmental Medicine Center, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
| | - Delyth Graham
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
| | - Dilys Freeman
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
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17
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Del Gaudio I, Rubinelli L, Sasset L, Wadsack C, Hla T, Di Lorenzo A. Endothelial Spns2 and ApoM Regulation of Vascular Tone and Hypertension Via Sphingosine-1-Phosphate. J Am Heart Assoc 2021; 10:e021261. [PMID: 34240614 PMCID: PMC8483458 DOI: 10.1161/jaha.121.021261] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Background Most of the circulating sphingosine-1-phosphate (S1P) is bound to ApoM (apolipoprotein M) of high-density lipoprotein (HDL) and mediates many beneficial effects of HDL on the vasculature via G protein-coupled S1P receptors. HDL-bound S1P is decreased in atherosclerosis, myocardial infarction, and diabetes mellitus. In addition to being the target, the endothelium is a source of S1P, which is transported outside of the cells by Spinster-2, contributing to circulating S1P as well as to local signaling. Mice lacking endothelial S1P receptor 1 are hypertensive, suggesting a vasculoprotective role of S1P signaling. This study investigates the role of endothelial-derived S1P and ApoM-bound S1P in regulating vascular tone and blood pressure. Methods and Results ApoM knockout (ApoM KO) mice and mice lacking endothelial Spinster-2 (ECKO-Spns2) were infused with angiotensin II for 28 days. Blood pressure, measured by telemetry and tail-cuff, was significantly increased in both ECKO-Spns2 and ApoM KO versus control mice, at baseline and following angiotensin II. Notably, ECKO-Spns2 presented an impaired vasodilation to flow and blood pressure dipping, which is clinically associated with increased risk for cardiovascular events. In hypertension, both groups presented reduced flow-mediated vasodilation and some degree of impairment in endothelial NO production, which was more evident in ECKO-Spns2. Increased hypertension in ECKO-Spns2 and ApoM KO mice correlated with worsened cardiac hypertrophy versus controls. Conclusions Our study identifies an important role for Spinster-2 and ApoM-HDL in blood pressure homeostasis via S1P-NO signaling and dissects the pathophysiological impact of endothelial-derived S1P and ApoM of HDL-bound S1P in hypertension and cardiac hypertrophy.
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Affiliation(s)
- Ilaria Del Gaudio
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY.,Department of Obstetrics and Gynecology Medical University of Graz Austria
| | - Luisa Rubinelli
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
| | - Linda Sasset
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
| | - Christian Wadsack
- Department of Obstetrics and Gynecology Medical University of Graz Austria
| | - Timothy Hla
- Vascular Biology Program Boston Children's Hospital and Department of Surgery Harvard Medical School Boston MA
| | - Annarita Di Lorenzo
- Department of Pathology and Laboratory Medicine Cardiovascular Research InstituteFeil Family Brain & Mind Research InstituteWeill Cornell Medicine New York NY
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18
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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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19
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Walker MT, Ferrie RP, Hoji A, Schroeder-Carter LM, Cohen JD, Schnaar RL, Cook-Mills JM. β-Glucosylceramide From Allergic Mothers Enhances Offspring Responsiveness to Allergen. FRONTIERS IN ALLERGY 2021; 2. [PMID: 34368802 PMCID: PMC8345025 DOI: 10.3389/falgy.2021.647134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
In animals and humans, offspring of allergic mothers have increased responsiveness to allergen and the allergen-specificity of the offspring can be different than that of the mother. In our preclinical models, the mother's allergic responses influence development of the fetus and offspring by elevating numbers of cells in dendritic cell subsets. A major question is the identity of maternal factors of allergic mothers that alter offspring development of responsiveness to allergen. Lipids are altered during allergic responses and lipids are transported to the fetus for growth and formation of fetal membranes. We hypothesized that pro-inflammatory lipids, that are elevated in allergic mothers, are transported to the fetus and regulate fetal immune development. We demonstrate in this report that there was a significant 2-fold increase in β-glucosylceramides (βGlcCer) in allergic mothers, the fetal liver and her offspring. The βGlcCer were transported from mother's plasma, across the placenta, to the fetus and in breastmilk to the offspring. Administration of βGlcCer to non-allergic mothers was sufficient for offspring responses to allergen. Importantly, maternal administration of a clinically relevant pharmacological inhibitor of βGlcCer synthase returned βGlcCer to normal levels in the allergic mothers and her offspring and blocked the offspring increase in dendritic cell subsets and offspring allergen responsiveness. In summary, allergic mothers had increased βGlcCer that was transported to offspring and mediated increases in offspring DCs and responsiveness to allergen. These data have a significant impact on our understanding of mechanisms for development of allergies in offspring of allergic mothers and have the potential to lead to novel interventions that significantly impact risk for allergic disease early in life.
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Affiliation(s)
- Matthew T Walker
- Allergy/Immunology Division, Northwestern University School of Medicine, Chicago, IL, United States
| | - Ryan P Ferrie
- Allergy/Immunology Division, Northwestern University School of Medicine, Chicago, IL, United States
| | - Aki Hoji
- Departments of Pediatrics and Microbiology and Immunology, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Lindsay M Schroeder-Carter
- Departments of Pediatrics and Microbiology and Immunology, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Jacob D Cohen
- Departments of Pediatrics and Microbiology and Immunology, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Ronald L Schnaar
- Departments of Pharmacology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Joan M Cook-Mills
- Departments of Pediatrics and Microbiology and Immunology, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, United States
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20
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Magaye RR, Savira F, Hua Y, Xiong X, Huang L, Reid C, Flynn BL, Kaye D, Liew D, Wang BH. Attenuating PI3K/Akt- mTOR pathway reduces dihydrosphingosine 1 phosphate mediated collagen synthesis and hypertrophy in primary cardiac cells. Int J Biochem Cell Biol 2021; 134:105952. [PMID: 33609744 DOI: 10.1016/j.biocel.2021.105952] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 12/15/2022]
Abstract
Cardiac fibrosis and myocyte hypertrophy play contributory roles in the progression of diseases such as heart Failure (HF) through what is collectively termed cardiac remodelling. The phosphoinositide 3- kinase (PI3K), protein kinase B (Akt) and mammalian target for rapamycin (mTOR) signalling pathway (PI3K/Akt- mTOR) is an important pathway in protein synthesis, cell growth, cell proliferation, and lipid metabolism. The sphingolipid, dihydrosphingosine 1 phosphate (dhS1P) has been shown to bind to high density lipids in plasma. Unlike its analog, spingosine 1 phosphate (S1P), the role of dhS1P in cardiac fibrosis is still being deciphered. This study was conducted to investigate the effect of dhS1P on PI3K/Akt signalling in primary cardiac fibroblasts and myocytes. Our findings demonstrate that inhibiting PI3K reduced collagen synthesis in neonatal cardiac fibroblasts (NCFs), and hypertrophy in neonatal cardiac myocytes (NCMs) induced by dhS1P, in vitro. Reduced activation of the PI3K/Akt- mTOR signalling pathway led to impaired translation of fibrotic proteins such as collagen 1 (Coll1) and transforming growth factor β (TGFβ) and inhibited the transcription and translation of tissue inhibitor of matrix metalloproteinase 1 (TIMP1). PI3K inhibition also affected the gene expression of S1P receptors and enzymes such as the dihydroceramide delta 4 desaturase (DEGS1) and sphingosine kinase 1 (SK1) in the de novo sphingolipid pathway. While in myocytes, PI3K inhibition reduced myocyte hypertrophy induced by dhS1P by reducing skeletal muscle α- actin (αSKA) mRNA expression, and protein translation due to increased glycogen synthase kinase 3β (GSK3β) mRNA expression. Our findings show a relationship between the PI3K/Akt- mTOR signalling cascade and exogenous dhS1P induced collagen synthesis and myocyte hypertrophy in primary neonatal cardiac cells.
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Affiliation(s)
- Ruth R Magaye
- Biomarker Discovery Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia; Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia
| | - Feby Savira
- Biomarker Discovery Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia; Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia
| | - Yue Hua
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Xin Xiong
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia; Shanghai Institute of Heart Failure, Research Centre for Translational Medicine, Shanghai East Hospital, Tongji University, School of Medicine, Shanghai 200120, China
| | - Li Huang
- Biomarker Discovery Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia; Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia
| | - Christopher Reid
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia; School of Public Health School, Curtin University, Perth, Australia
| | - Bernard L Flynn
- Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Australia
| | - David Kaye
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Danny Liew
- Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia
| | - Bing H Wang
- Biomarker Discovery Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia; Monash Centre of Cardiovascular Research and Education in Therapeutics, Melbourne, Australia.
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21
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Engelbrecht E, MacRae CA, Hla T. Lysolipids in Vascular Development, Biology, and Disease. Arterioscler Thromb Vasc Biol 2020; 41:564-584. [PMID: 33327749 DOI: 10.1161/atvbaha.120.305565] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Membrane phospholipid metabolism forms lysophospholipids, which possess unique biochemical and biophysical properties that influence membrane structure and dynamics. However, lysophospholipids also function as ligands for G-protein-coupled receptors that influence embryonic development, postnatal physiology, and disease. The 2 most well-studied species-lysophosphatidic acid and S1P (sphingosine 1-phosphate)-are particularly relevant to vascular development, physiology, and cardiovascular diseases. This review summarizes the role of lysophosphatidic acid and S1P in vascular developmental processes, endothelial cell biology, and their roles in cardiovascular disease processes. In addition, we also point out the apparent connections between lysophospholipid biology and the Wnt (int/wingless family) pathway, an evolutionarily conserved fundamental developmental signaling system. The discovery that components of the lysophospholipid signaling system are key genetic determinants of cardiovascular disease has warranted current and future research in this field. As pharmacological approaches to modulate lysophospholipid signaling have entered the clinical sphere, new findings in this field promise to influence novel therapeutic strategies in cardiovascular diseases.
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Affiliation(s)
- Eric Engelbrecht
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery (E.E., T.H.), Harvard Medical School, Boston, MA
| | - Calum A MacRae
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, Department of Medicine (C.A.M.), Harvard Medical School, Boston, MA
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery (E.E., T.H.), Harvard Medical School, Boston, MA
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22
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Bergougnan L, Andersen G, Plum-Mörschel L, Evaristi MF, Poirier B, Tardat A, Ermer M, Herbrand T, Arrubla J, Coester HV, Sansone R, Heiss C, Vitse O, Hurbin F, Boiron R, Benain X, Radzik D, Janiak P, Muslin AJ, Hovsepian L, Kirkesseli S, Deutsch P, Parkar AA. Endothelial-protective effects of a G-protein-biased sphingosine-1 phosphate receptor-1 agonist, SAR247799, in type-2 diabetes rats and a randomized placebo-controlled patient trial. Br J Clin Pharmacol 2020; 87:2303-2320. [PMID: 33125753 PMCID: PMC8247405 DOI: 10.1111/bcp.14632] [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: 06/22/2020] [Revised: 10/20/2020] [Accepted: 10/24/2020] [Indexed: 12/12/2022] Open
Abstract
Aims SAR247799 is a G‐protein‐biased sphingosine‐1 phosphate receptor‐1 (S1P1) agonist designed to activate endothelial S1P1 and provide endothelial‐protective properties, while limiting S1P1 desensitization and consequent lymphocyte‐count reduction associated with higher doses. The aim was to show whether S1P1 activation can promote endothelial effects in patients and, if so, select SAR247799 doses for further clinical investigation. Methods Type‐2 diabetes patients, enriched for endothelial dysfunction (flow‐mediated dilation, FMD <7%; n = 54), were randomized, in 2 sequential cohorts, to 28‐day once‐daily treatment with SAR247799 (1 or 5 mg in ascending cohorts), placebo or 50 mg sildenafil (positive control) in a 5:2:2 ratio per cohort. Endothelial function was assessed by brachial artery FMD. Renal function, biomarkers and lymphocytes were measured following 5‐week SAR247799 treatment (3 doses) to Zucker diabetic fatty rats and the data used to select the doses for human testing. Results The maximum FMD change from baseline vs placebo for all treatments was reached on day 35; mean differences vs placebo were 0.60% (95% confidence interval [CI] −0.34 to 1.53%; P = .203) for 1 mg SAR247799, 1.07% (95% CI 0.13 to 2.01%; P = .026) for 5 mg SAR247799 and 0.88% (95% CI −0.15 to 1.91%; P = .093) for 50 mg sildenafil. Both doses of SAR247799 were well tolerated, did not affect blood pressure, and were associated with minimal‐to‐no lymphocyte reduction and small‐to‐moderate heart rate decrease. Conclusion These data provide the first human evidence suggesting endothelial‐protective properties of S1P1 activation, with SAR247799 being as effective as the clinical benchmark, sildenafil. Further clinical testing of SAR247799, at sub‐lymphocyte‐reducing doses (≤5 mg), is warranted in vascular diseases associated with endothelial dysfunction.
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Affiliation(s)
- Luc Bergougnan
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | | | | | | | - Bruno Poirier
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Agnes Tardat
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | | | | | | | | | - Roberto Sansone
- Division of Cardiology, Pulmonary diseases and Vascular medicine, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Christian Heiss
- Department of Clinical and Experimental Medicine, University of Surrey, Stag Hill, Guildford, UK
| | - Olivier Vitse
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - Fabrice Hurbin
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - Rania Boiron
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Xavier Benain
- Sanofi R&D, 371 Rue du Professeur Blayac, Montpellier, France
| | - David Radzik
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
| | - Philip Janiak
- Sanofi R&D, 1 Avenue Pierre Brossolette, Chilly Mazarin, France
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23
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Chua XY, Ho LTY, Xiang P, Chew WS, Lam BWS, Chen CP, Ong WY, Lai MKP, Herr DR. Preclinical and Clinical Evidence for the Involvement of Sphingosine 1-Phosphate Signaling in the Pathophysiology of Vascular Cognitive Impairment. Neuromolecular Med 2020; 23:47-67. [PMID: 33180310 DOI: 10.1007/s12017-020-08632-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 11/03/2020] [Indexed: 02/07/2023]
Abstract
Sphingosine 1-phosphates (S1Ps) are bioactive lipids that mediate a diverse range of effects through the activation of cognate receptors, S1P1-S1P5. Scrutiny of S1P-regulated pathways over the past three decades has identified important and occasionally counteracting functions in the brain and cerebrovascular system. For example, while S1P1 and S1P3 mediate proinflammatory effects on glial cells and directly promote endothelial cell barrier integrity, S1P2 is anti-inflammatory but disrupts barrier integrity. Cumulatively, there is significant preclinical evidence implicating critical roles for this pathway in regulating processes that drive cerebrovascular disease and vascular dementia, both being part of the continuum of vascular cognitive impairment (VCI). This is supported by clinical studies that have identified correlations between alterations of S1P and cognitive deficits. We review studies which proposed and evaluated potential mechanisms by which such alterations contribute to pathological S1P signaling that leads to VCI-associated chronic neuroinflammation and neurodegeneration. Notably, S1P receptors have divergent but overlapping expression patterns and demonstrate complex interactions. Therefore, the net effect produced by S1P represents the cumulative contributions of S1P receptors acting additively, synergistically, or antagonistically on the neural, vascular, and immune cells of the brain. Ultimately, an optimized therapeutic strategy that targets S1P signaling will have to consider these complex interactions.
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Affiliation(s)
- Xin Ying Chua
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Leona T Y Ho
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119260, Singapore
| | - Ping Xiang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Wee Siong Chew
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Brenda Wan Shing Lam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Christopher P Chen
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore
| | - Wei-Yi Ong
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119260, Singapore
- Neurobiology Programme, Life Sciences Institute, National University of Singapore, Singapore, 119260, Singapore
| | - Mitchell K P Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
- Memory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore.
| | - Deron R Herr
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
- Department of Biology, San Diego State University, San Diego, CA, USA.
- American University of Health Sciences, Long Beach, CA, USA.
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24
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Satta N, Frias MA, Vuilleumier N, Pagano S. Humoral Immunity Against HDL Particle: A New Perspective in Cardiovascular Diseases? Curr Pharm Des 2020; 25:3128-3146. [PMID: 31470782 DOI: 10.2174/1381612825666190830164917] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 08/24/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Autoimmune diseases are closely associated with cardiovascular diseases (CVD). Over the last decades, the comprehension of atherosclerosis, the principal initiator of CVD, evolved from a lipidcentered disease to a predominant inflammatory and immune response-driven disease displaying features of autoimmunity against a broad range of auto-antigens, including lipoproteins. Among them, high density lipoproteins (HDL) are important actors of cholesterol transport and bear several anti-atherogenic properties, raising a growing interest as therapeutic targets to decrease atherosclerosis and CVD burden, with nevertheless rather disappointing results so far. Reflecting HDL composition complexity, autoimmune responses and autoantibodies against various HDL components have been reported. RESULTS In this review, we addressed the important complexity of humoral autoimmunity towards HDL and particularly how this autoimmune response could help improving our understanding of HDL biological implication in atherosclerosis and CVD. We also discussed several issues related to specific HDL autoantibody subclasses characteristics, including etiology, prognosis and pathological mechanisms according to Rose criteria. CONCLUSION Finally, we addressed the possible clinical value of using these antibodies not only as potential biomarkers of atherogenesis and CVD, but also as a factor potentially mitigating the benefit of HDL-raising therapies.
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Affiliation(s)
- Nathalie Satta
- Division of Laboratory Medicine, Department of Diagnostic, Geneva University Hospitals, 4 rue Gabrielle Perret-Gentil, 1205 Geneva, Switzerland.,Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Miguel A Frias
- Division of Laboratory Medicine, Department of Diagnostic, Geneva University Hospitals, 4 rue Gabrielle Perret-Gentil, 1205 Geneva, Switzerland.,Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Nicolas Vuilleumier
- Division of Laboratory Medicine, Department of Diagnostic, Geneva University Hospitals, 4 rue Gabrielle Perret-Gentil, 1205 Geneva, Switzerland.,Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Sabrina Pagano
- Division of Laboratory Medicine, Department of Diagnostic, Geneva University Hospitals, 4 rue Gabrielle Perret-Gentil, 1205 Geneva, Switzerland.,Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1 rue Michel Servet, 1211 Geneva, Switzerland
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25
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Kumar R, Ferrie RP, Balmert LC, Kienzl M, Rifas-Shiman SL, Gold DR, Sordillo JE, Kleinman K, Camargo CA, Litonjua AA, Oken E, Cook-Mills JM. Associations of α- and γ-tocopherol during early life with lung function in childhood. J Allergy Clin Immunol 2020; 146:1349-1357.e3. [PMID: 32344059 DOI: 10.1016/j.jaci.2020.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 03/02/2020] [Accepted: 04/15/2020] [Indexed: 01/08/2023]
Abstract
BACKGROUND Tocopherol isoforms may regulate child lung growth and spirometric measures. OBJECTIVE Our aim was to determine the extent to which plasma α-tocopherol (α-T) or γ-tocopherol (γ-T) isoform levels in early childhood or in utero are associated with childhood lung function. METHODS We included 622 participants in the Project Viva cohort who had lung function at a mid-childhood visit (age 6-10 years). Maternal and child tocopherol isoform levels were measured by HPLC at the second trimester and 3 years of age, respectively. Multivariable linear regression models (adjusted for mid-childhood body mass index z scores, maternal education, smoking in pregnancy, and prenatal particulate matter with diameter of <2.5 micrometers (PM2.5) particulate exposure) stratified by tertiles of child γ-T level were used to assess the association of α-T levels with FEV1 and forced vital capacity (FVC) percent predicted. Similarly, models stratified by child α-T tertile evaluated associations of γ-T levels with lung function. We performed similar analyses with maternal second trimester tocopherol isoform levels. RESULTS The median maternal second trimester α-T level was 63 μM (interquartile range = 47-82). The median early-childhood level was 25 μM (interquartile range = 20-33 μM). In the lowest tertile of early-childhood γ-T, children with a higher α-T level (per 10 μM) had a higher mid-childhood FEV1 percent predicted (β = 3.09; 95% CI = 0.58-5.59 and a higher FVC percent predicted (β = 2.77; 95% CI = 0.47-5.06). This protective association of α-T was lost at higher γ-T levels. We did not see any consistent associations of second trimester levels of either α-T or γ-T with mid-childhood FEV1 or FVC. CONCLUSION When γ-T levels were in the lowest tertile, a higher early-childhood α-T level was associated with better lung function at mid-childhood. Second trimester maternal plasma α-T concentration was 3-fold higher than in the adult nonpregnant female population.
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Affiliation(s)
- Rajesh Kumar
- Lurie Children's Hospital, Chicago, Ill; Northwestern University, Chicago, Ill
| | | | | | | | - Sheryl L Rifas-Shiman
- Division of Chronic Disease Research across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Mass
| | - Diane R Gold
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Mass; Channing Division of Network Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Mass
| | - Joanne E Sordillo
- Division of Chronic Disease Research across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Mass
| | - Ken Kleinman
- Department of Biostatistics and Epidemiology, University of Massachusetts, Amherst, Mass
| | - Carlos A Camargo
- Channing Division of Network Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, Mass; Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Augusto A Litonjua
- Division of Pediatric Pulmonary Medicine, University of Rochester Medical Center, Rochester, NY
| | - Emily Oken
- Division of Chronic Disease Research across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Mass
| | - Joan M Cook-Mills
- Herman B. Wells Center for Pediatric Research, Departments of Pediatrics and Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, Ind.
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26
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Obinata H, Hla T. Sphingosine 1-phosphate and inflammation. Int Immunol 2020; 31:617-625. [PMID: 31049553 DOI: 10.1093/intimm/dxz037] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 04/10/2019] [Indexed: 11/13/2022] Open
Abstract
AbstractSphingosine 1-phosphate (S1P), a sphingolipid mediator, regulates various cellular functions via high-affinity G protein-coupled receptors, S1P1-5. The S1P-S1P receptor signaling system plays important roles in lymphocyte trafficking and maintenance of vascular integrity, thus contributing to the regulation of complex inflammatory processes. S1P is enriched in blood and lymph while maintained low in intracellular or interstitial fluids, creating a steep S1P gradient that is utilized to facilitate efficient egress of lymphocytes from lymphoid organs. Blockage of the S1P-S1P receptor signaling system results in a marked decrease in circulating lymphocytes because of a failure of lymphocyte egress from lymphoid organs. This provides a basis of immunomodulatory drugs targeting S1P1 receptor such as FTY720, an immunosuppressive drug approved in 2010 as the first oral treatment for relapsing-remitting multiple sclerosis. The S1P-S1P receptor signaling system also plays important roles in maintenance of vascular integrity since it suppresses sprouting angiogenesis and regulates vascular permeability. Dysfunction of the S1P-S1P receptor signaling system results in various vascular defects, such as exaggerated angiogenesis in developing retina and augmented inflammation due to increased permeability. Endothelial-specific deletion of S1P1 receptor in mice fed high-fat diet leads to increased formation of atherosclerotic lesions. This review highlights the importance of the S1P-S1P receptor signaling system in inflammatory processes. We also describe our recent findings regarding a specific S1P chaperone, apolipoprotein M, that anchors to high-density lipoprotein and contributes to shaping the endothelial-protective and anti-inflammatory properties of high-density lipoprotein.
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Affiliation(s)
- Hideru Obinata
- Gunma University Initiative for Advanced Research, Showa-machi, Maebashi, Gunma, Japan
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, USA
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27
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Hafiane A, Favari E, Daskalopoulou SS, Vuilleumier N, Frias MA. High-density lipoprotein cholesterol efflux capacity and cardiovascular risk in autoimmune and non-autoimmune diseases. Metabolism 2020; 104:154141. [PMID: 31923386 DOI: 10.1016/j.metabol.2020.154141] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/23/2019] [Accepted: 01/05/2020] [Indexed: 12/22/2022]
Abstract
Functional assessment of cholesterol efflux capacity (CEC) to high-density lipoprotein (HDL) is an emerging tool for evaluating morbidity and mortality associated with cardiovascular disease (CVD). By promoting macrophage reverse cholesterol transport (RCT), HDL-mediated CEC is believed to play an important role in atherosclerotic lesion progression in the vessel wall. Furthermore, recent evidence indicates that the typical inverse associations between various forms of CEC and CV events may be strongly modulated by environmental systemic factors and traditional CV risk factors, in addition to autoimmune diseases. These factors influence the complex and dynamic composition of HDL particles, which in turn positively or negatively affect HDL-CEC. Herein, we review recent findings connecting HDL-CEC to traditional CV risk factors and cardiometabolic conditions (non-autoimmune diseases) as well as autoimmune diseases, with a specific focus on how these factors may influence the associations between HDL-CEC and CVD risk.
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Affiliation(s)
- Anouar Hafiane
- Department of Medicine, Faculty of Medicine, Research Institute of the McGill University Health Centre, McGill University, 1001 Decarie Blvd, Bloc E01. 3370H, Montréal, Qc H4A 3J1, Canada.
| | - Elda Favari
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Stella S Daskalopoulou
- Department of Medicine, Division of Internal Medicine, McGill University, Research Institute of the McGill University Health Centre, 1001 Decarie Blvd, EM1.2230, Montreal, Quebec H4A 3J1, Canada.
| | - Nicolas Vuilleumier
- Division of Laboratory Medicine, Diagnostic Department, Geneva University Hospitals, 1211 Geneva, Switzerland; Division of Laboratory Medicine, Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1206 Geneva, Switzerland.
| | - Miguel A Frias
- Division of Laboratory Medicine, Diagnostic Department, Geneva University Hospitals, 1211 Geneva, Switzerland; Division of Laboratory Medicine, Department of Medical Specialties, Faculty of Medicine, University of Geneva, 1206 Geneva, Switzerland.
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28
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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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29
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Simmons S, Sasaki N, Umemoto E, Uchida Y, Fukuhara S, Kitazawa Y, Okudaira M, Inoue A, Tohya K, Aoi K, Aoki J, Mochizuki N, Matsuno K, Takeda K, Miyasaka M, Ishii M. High-endothelial cell-derived S1P regulates dendritic cell localization and vascular integrity in the lymph node. eLife 2019; 8:41239. [PMID: 31570118 PMCID: PMC6773441 DOI: 10.7554/elife.41239] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
While the sphingosine-1-phosphate (S1P)/sphingosine-1-phosphate receptor-1 (S1PR1) axis is critically important for lymphocyte egress from lymphoid organs, S1PR1-activation also occurs in vascular endothelial cells (ECs), including those of the high-endothelial venules (HEVs) that mediate lymphocyte immigration into lymph nodes (LNs). To understand the functional significance of the S1P/S1PR1-Gi axis in HEVs, we generated Lyve1;Spns2Δ/Δ conditional knockout mice for the S1P-transporter Spinster-homologue-2 (SPNS2), as HEVs express LYVE1 during development. In these mice HEVs appeared apoptotic and were severely impaired in function, morphology and size; leading to markedly hypotrophic peripheral LNs. Dendritic cells (DCs) were unable to interact with HEVs, which was also observed in Cdh5CRE-ERT2;S1pr1Δ/Δ mice and wildtype mice treated with S1PR1-antagonists. Wildtype HEVs treated with S1PR1-antagonists in vitro and Lyve1-deficient HEVs show severely reduced release of the DC-chemoattractant CCL21 in vivo. Together, our results reveal that EC-derived S1P warrants HEV-integrity through autocrine control of S1PR1-Gi signaling, and facilitates concomitant HEV-DC interactions.
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Affiliation(s)
- Szandor Simmons
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,JST CREST, Tokyo, Japan
| | - Naoko Sasaki
- Department of Microbiology and Immunology, Laboratory of Immune Regulation, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Eiji Umemoto
- WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Department of Microbiology and Immunology, Laboratory of Immune Regulation, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yutaka Uchida
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, Japan.,JST CREST, Tokyo, Japan
| | - Shigetomo Fukuhara
- Department of Cell Biology, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Yusuke Kitazawa
- Department of Anatomy (Macro), Dokkyo Medical University, Tochigi, Japan
| | - Michiyo Okudaira
- Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
| | - Asuka Inoue
- Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
| | - Kazuo Tohya
- Department of Anatomy, Kansai University of Health Sciences, Osaka, Japan
| | - Keita Aoi
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,JST CREST, Tokyo, Japan
| | - Junken Aoki
- Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
| | - Naoki Mochizuki
- Department of Cell Biology, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Kenjiro Matsuno
- Department of Anatomy (Macro), Dokkyo Medical University, Tochigi, Japan
| | - Kiyoshi Takeda
- WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Department of Microbiology and Immunology, Laboratory of Immune Regulation, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masayuki Miyasaka
- WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,MediCity Research Laboratory, University of Turku, Turku, Finland.,Interdisciplinary Program for Biomedical Sciences, Institute for Academic Initiatives, Osaka University, Osaka, Japan
| | - Masaru Ishii
- Department of Immunology and Cell Biology, Graduate School of Medicine and Frontier Biosciences, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,JST CREST, Tokyo, Japan
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30
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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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31
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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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32
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Magaye RR, Savira F, Hua Y, Kelly DJ, Reid C, Flynn B, Liew D, Wang BH. The role of dihydrosphingolipids in disease. Cell Mol Life Sci 2019; 76:1107-1134. [PMID: 30523364 PMCID: PMC11105797 DOI: 10.1007/s00018-018-2984-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/06/2018] [Accepted: 11/26/2018] [Indexed: 12/29/2022]
Abstract
Dihydrosphingolipids refer to sphingolipids early in the biosynthetic pathway that do not contain a C4-trans-double bond in the sphingoid backbone: 3-ketosphinganine (3-ketoSph), dihydrosphingosine (dhSph), dihydrosphingosine-1-phosphate (dhS1P) and dihydroceramide (dhCer). Recent advances in research related to sphingolipid biochemistry have shed light on the importance of sphingolipids in terms of cellular signalling in health and disease. However, dihydrosphingolipids have received less attention and research is lacking especially in terms of their molecular mechanisms of action. This is despite studies implicating them in the pathophysiology of disease, for example dhCer in predicting type 2 diabetes in obese individuals, dhS1P in cardiovascular diseases and dhSph in hepato-renal toxicity. This review gives a comprehensive summary of research in the last 10-15 years on the dihydrosphingolipids, 3-ketoSph, dhSph, dhS1P and dhCer, and their relevant roles in different diseases. It also highlights gaps in research that could be of future interest.
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Affiliation(s)
- Ruth R Magaye
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Feby Savira
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Yue Hua
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Darren J Kelly
- Department of Medicine, St Vincent's Hospital, University of Melbourne, Fitzroy, VIC, Australia
| | - Christopher Reid
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Bernard Flynn
- Australian Translational Medicinal Chemistry Facility, Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, Australia
| | - Danny Liew
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Bing H Wang
- Monash Centre of Cardiovascular Research and Education in Therapeutics, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
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Maternal obesity leads to long-term altered levels of plasma ceramides in the offspring as revealed by a longitudinal lipidomic study in children. Int J Obes (Lond) 2018; 43:1231-1243. [PMID: 30568270 DOI: 10.1038/s41366-018-0291-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 11/21/2018] [Accepted: 11/30/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND/OBJECTIVES Maternal obesity is associated with increased risk of obesity and other symptoms of the metabolic syndrome in the offspring. Nevertheless, the molecular mechanisms and cellular factors underlying this enhanced disease susceptibility remain to be determined. Here, we aimed at identifying changes in plasma lipids in offspring of obese mothers that might underpin, and serve as early biomarkers of, their enhanced metabolic disease risk. SUBJECTS/METHODS We performed a longitudinal lipidomic profiling in plasma samples from normal weight, overweight, and obese pregnant women and their children that participated in the Prenatal Omega-3 Fatty Acid Supplementation, Growth, and Development trial conducted in Mexico. At recruitment women were aged between 18 and 35 years and in week 18-22 of pregnancy. Blood samples were collected at term delivery by venipuncture from mothers and from the umbilical cord of their newborns and from the same infants at 4 years old under non-fasting conditions. Lipidomic profiling was done using ultra-performance liquid chromatography high-resolution mass spectrometry. RESULTS Analysis of the lipidomic data showed that overweight and obese mothers exhibited a significant reduction in the total abundance of ceramides (Cer) in plasma, mainly of Cer (d18:1/20:0), Cer (d18:1/22:0), Cer (d18:1/23:0), and Cer (d18:1/24:0), compared with mothers of normal body weight. This reduction was confirmed by the direct quantification of these and other ceramide species. Similar quantitative differences in the plasma concentration of Cer (d18:1/22:0), Cer (d18:1/23:0), and Cer (d18:1/24:0), were also found between 4-year-old children of overweight and obese mothers compared with children of mothers of normal body weight. Noteworthy, children exhibited equal daily amounts of energy and food intake independently of the BMI of their mothers. CONCLUSIONS Maternal obesity results in long-lasting changes in plasma ceramides in the offspring suggesting that these lipids might be used as early predictors of metabolic disease risk due to maternal obesity.
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34
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Duran CL, Howell DW, Dave JM, Smith RL, Torrie ME, Essner JJ, Bayless KJ. Molecular Regulation of Sprouting Angiogenesis. Compr Physiol 2017; 8:153-235. [PMID: 29357127 DOI: 10.1002/cphy.c160048] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The term angiogenesis arose in the 18th century. Several studies over the next 100 years laid the groundwork for initial studies performed by the Folkman laboratory, which were at first met with some opposition. Once overcome, the angiogenesis field has flourished due to studies on tumor angiogenesis and various developmental models that can be genetically manipulated, including mice and zebrafish. In addition, new discoveries have been aided by the ability to isolate primary endothelial cells, which has allowed dissection of various steps within angiogenesis. This review will summarize the molecular events that control angiogenesis downstream of biochemical factors such as growth factors, cytokines, chemokines, hypoxia-inducible factors (HIFs), and lipids. These and other stimuli have been linked to regulation of junctional molecules and cell surface receptors. In addition, the contribution of cytoskeletal elements and regulatory proteins has revealed an intricate role for mobilization of actin, microtubules, and intermediate filaments in response to cues that activate the endothelium. Activating stimuli also affect various focal adhesion proteins, scaffold proteins, intracellular kinases, and second messengers. Finally, metalloproteinases, which facilitate matrix degradation and the formation of new blood vessels, are discussed, along with our knowledge of crosstalk between the various subclasses of these molecules throughout the text. Compr Physiol 8:153-235, 2018.
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Affiliation(s)
- Camille L Duran
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - David W Howell
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - Jui M Dave
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - Rebecca L Smith
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, Texas, USA
| | - Melanie E Torrie
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, Iowa, USA
| | - Jeffrey J Essner
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, Iowa, USA
| | - Kayla J Bayless
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, Texas, USA
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35
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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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36
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Perségol L, Darabi M, Dauteuille C, Lhomme M, Chantepie S, Rye KA, Therond P, Chapman MJ, Salvayre R, Nègre-Salvayre A, Lesnik P, Monier S, Kontush A. Small dense HDLs display potent vasorelaxing activity, reflecting their elevated content of sphingosine-1-phosphate. J Lipid Res 2017; 59:25-34. [PMID: 29150495 DOI: 10.1194/jlr.m076927] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 11/10/2017] [Indexed: 11/20/2022] Open
Abstract
The functional heterogeneity of HDL is attributed to its diverse bioactive components. We evaluated whether the vasodilatory effects of HDL differed across HDL subpopulations, reflecting their distinct molecular composition. The capacity of five major HDL subfractions to counteract the inhibitory effects of oxidized LDL on acetylcholine-induced vasodilation was tested in a rabbit aortic rings model. NO production, an essential pathway in endothelium-dependent vasorelaxation, was studied in simian vacuolating virus 40-transformed murine endothelial cells (SVECs). Small dense HDL3 subfractions displayed potent vasorelaxing activity (up to +31% vs. baseline, P < 0.05); in contrast, large light HDL2 did not induce aortic-ring relaxation when compared on a total protein basis. HDL3 particles were enriched with sphingosine-1-phosphate (S1P) (up to 3-fold vs. HDL2), with the highest content in HDL3b and -3c that concomitantly revealed the strongest vasorelaxing properties. NO generation was enhanced by HDL3c in SVECs (1.5-fold, P < 0.01), a phenomenon that was blocked by the S1P receptor antagonist, VPC 23019. S1P-enriched reconstituted HDL (rHDL) was a 1.8-fold (P < 0.01) more potent vasorelaxant than control rHDL in aortic rings. Small dense HDL3 particles displayed potent protective effects against oxidative stress-associated endothelium dysfunction, potentially reflecting their elevated content of S1P that might facilitate interaction with S1P receptors and ensuing NO generation.
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Affiliation(s)
- Laurence Perségol
- University Bourgogne Franche-Comté, INSERM LNC UMR866 and Faculty of Medicine, INSERM U866-University of Bourgogne, Dijon, France
| | - Maryam Darabi
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - Carolane Dauteuille
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - Marie Lhomme
- Institute of Cardiometabolism and Nutrition (ICAN), Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - Sandrine Chantepie
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - Kerry-Anne Rye
- School of Medical Sciences, Faculty of Medicine, University of New South Wales Australia, Sydney, Australia
| | - Patrice Therond
- Biochemistry Laboratory, Bicêtre Hospital, Assistance-Publique Hôpitaux de Paris, University Paris-Sud, Le Kremlin-Bicêtre Cedex, France
| | - M John Chapman
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | | | | | - Philippe Lesnik
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - Serge Monier
- University Bourgogne Franche-Comté, INSERM LNC UMR866 and Faculty of Medicine, INSERM U866-University of Bourgogne, Dijon, France
| | - Anatol Kontush
- National Institute for Health and Medical Research (INSERM), UMR-S 1166 ICAN, University of Pierre and Marie Curie-Paris 6, and AP-HP, Groupe Hospitalier Pitié-Salpétrière, Paris, France
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37
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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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38
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Jefferson GE, Schnell DM, Thomas DT, Bollinger LM. Calcitriol concomitantly enhances insulin sensitivity and alters myocellular lipid partitioning in high fat-treated skeletal muscle cells. J Physiol Biochem 2017; 73:613-621. [PMID: 28980208 DOI: 10.1007/s13105-017-0595-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 09/25/2017] [Indexed: 02/08/2023]
Abstract
Vitamin D reduces myocellular insulin resistance, but the effects of vitamin D on intramyocellular lipid (IMCL) partitioning are unknown. The purpose of this study was to understand how calcitriol, the active vitamin D metabolite, affects insulin sensitivity and lipid partitioning in skeletal muscle cells. C2C12 myotubes were treated with calcitriol (100 nM) or vehicle control for 96 h. Insulin-stimulated Akt phosphorylation (Thr 308) was determined by western blot. Intramyocellular triacylglycerol (IMTG), diacylglycerol (DAG), and ceramide content were measured by LC/MS. IMTG partitioning and lipid droplet accumulation were assessed by oil red O. Expression of genes involved in lipid droplet packaging and lipolysis were measured by RT-PCR. Compared to vehicle-treated myotubes, calcitriol augmented insulin-stimulated pAkt. Calcitriol increased total ceramides and DAG in a subspecies-specific manner. Specifically, calcitriol preferentially increased ceramide 24:1 (1.78 fold) and di-18:0 DAG (46.89 fold). Calcitriol increased total IMTG area as assessed by oil red O, but decreased the proportion of lipid within myotubes. Calcitriol increased mRNA content of genes involved in lipid droplet packaging (perilipin 2; PLIN 2, 2.07 fold) and lipolysis (comparative gene identification-58; CGI-58 and adipose triglyceride lipase; ATGL, ~ 1.80 fold). Calcitriol alters myocellular lipid partitioning and lipid droplet packaging which may favor lipid turnover and partially explain improvements in insulin sensitivity.
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Affiliation(s)
- Grace E Jefferson
- Department of Kinesiology and Health Promotion, University of Kentucky, 201 Seaton Bldg, Lexington, KY, 40506, USA
| | - David M Schnell
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington, KY, USA
| | - D Travis Thomas
- College of Health Sciences, University of Kentucky, Lexington, KY, USA.,Center for Muscle Biology, University of Kentucky, Lexington, KY, USA
| | - Lance M Bollinger
- Department of Kinesiology and Health Promotion, University of Kentucky, 201 Seaton Bldg, Lexington, KY, 40506, USA. .,Center for Muscle Biology, University of Kentucky, Lexington, KY, USA.
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39
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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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40
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Martinez LO, Genoux A, Ferrières J, Duparc T, Perret B. Serum inhibitory factor 1, high-density lipoprotein and cardiovascular diseases. Curr Opin Lipidol 2017; 28:337-346. [PMID: 28504983 DOI: 10.1097/mol.0000000000000434] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The atheroprotective properties of HDL are supported by epidemiological and preclinical research. However, the results of interventional trials paradoxically indicate that drugs increasing HDL-cholesterol (HDL-C) do not reduce coronary artery disease (CAD) risk. Moreover, Mendelian randomization studies have shown no effect of HDL-C-modifying variants on CAD outcome. Thus, the protective effects of HDL particles are more governed by their functional status than their cholesterol content. In this context, any successful clinical exploitation of HDL will depend on the identification of HDL-related biomarkers, better than HDL-C level, for assessing cardiovascular risk and monitoring responses to treatment. RECENT FINDINGS Recent studies have enlightened the role of ecto-F1-ATPase as a cell surface receptor for apoA-I, the major apolipoprotein of HDL, involved in the important metabolic and vascular atheroprotective functions of HDL. In the light of these findings, the clinical relevance of ecto-F1-ATPase in humans has recently been supported by the identification of serum F1-ATPase inhibitor (IF1) as an independent determinant of HDL-C, CAD risk and cardiovascular mortality in CAD patients. SUMMARY Serum IF1 measurement might be used as a novel HDL-related biomarker to better stratify risk in high-risk populations or to determine pharmacotherapy.
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Affiliation(s)
- Laurent O Martinez
- aInstitut National de la Santé et de la Recherche Médicale (INSERM), UMR 1048, Institute of Metabolic and Cardiovascular Diseases bUniversity of Toulouse, UMR1048, Paul Sabatier University cService de Biochimie, Pôle biologie, Hôpital de Purpan, CHU de Toulouse dDepartment of Cardiology, Toulouse Rangueil University Hospital eINSERM UMR 1027, Department of Epidemiology, Toulouse University School of Medicine, Toulouse, France
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41
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Boyce G, Button E, Soo S, Wellington C. The pleiotropic vasoprotective functions of high density lipoproteins (HDL). J Biomed Res 2017; 32:164. [PMID: 28550271 PMCID: PMC6265396 DOI: 10.7555/jbr.31.20160103] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 12/23/2016] [Indexed: 12/19/2022] Open
Abstract
The pleiotropic functions of circulating high density lipoprotein (HDL) on peripheral vascular health are well established. HDL plays a pivotal role in reverse cholesterol transport and is also known to suppress inflammation, endothelial activation and apoptosis in peripheral vessels. Although not expressed in the central nervous system, HDL has nevertheless emerged as a potential resilience factor for dementia in multiple epidemiological studies. Animal model data specifically support a role for HDL in attenuating the accumulation of β-amyloid within cerebral vessels concomitant with reduced neuroinflammation and improved cognitive performance. As the vascular contributions to dementia are increasingly appreciated, this review seeks to summarize recent literature focused on the vasoprotective properties of HDL that may extend to cerebral vessels, discuss potential roles of HDL in dementia relative to brain-derived lipoproteins, identify gaps in current knowledge, and highlight new opportunities for research and discovery.
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Affiliation(s)
- Guilaine Boyce
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Emily Button
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Sonja Soo
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Cheryl Wellington
- Department of Pathology and Laboratory Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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Plasma cross-gestational sphingolipidomic analyses reveal potential first trimester biomarkers of preeclampsia. PLoS One 2017; 12:e0175118. [PMID: 28384202 PMCID: PMC5383057 DOI: 10.1371/journal.pone.0175118] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 03/21/2017] [Indexed: 01/01/2023] Open
Abstract
Introduction Preeclampsia (PE) is a gestational disorder, manifested in the second half of pregnancy by maternal hypertension, proteinuria and generalized edema. PE is a major cause of maternal and fetal morbidity and mortality, accounting for nearly 40% of all premature births worldwide. Bioactive sphingolipids are emerging as key molecules involved in etiopathogenesis of PE, characterized by maternal angiogenic imbalance and symptoms of metabolic syndrome. The aim of this study was to compare the cross-gestational profile of circulating bioactive sphingolipids in maternal plasma from preeclamptic (PE) versus normotensive control (CTL) subjects with the goal of identifying sphingolipids as candidate first trimester biomarkers of PE for early prediction of the disease. Methods A prospective cohort of patients was sampled at the first, second and third trimester of pregnancy for each patient (11–14, 22–24, and 32–36 weeks´ gestation). A retrospective stratified study design was used to quantify different classes of sphingolipids in maternal plasma. We used a reverse-phase high-performance liquid chromatography-tandem mass spectrometry (HPLC-ESI-MS/MS) approach for determining different sphingolipid molecular species (sphingosine-1-phosphate (S1P), dihydro-sphingosine-1-phosphate (DH-S1P), sphingomyelins (SM) and ceramides (Cer)) in cross-gestational samples of human plasma from PE (n = 7, 21 plasma samples across pregnancy) and CTL (n = 7, 21 plasma samples across pregnancy) patients. Results Plasma levels of angiogenic S1P did not change significantly in control and in preeclamptic patients´ group across gestation. DH-S1P was significantly decreased in second trimester plasma of PE patients in comparison to their first trimester, which could contribute to reduced endothelial barrier observed in PE. The major ceramide species (Cer 16:0 and Cer 24:0) tended to be up-regulated in plasma of control and PE subjects across gestation. The levels of a less abundant plasma ceramide species (Cer 14:0) were significantly lower in first trimester plasma of PE patients when compared with their gestational-matched control samples (p = 0.009). Major plasma sphingomyelin species (SM 16:0, SM 18:1 and SM 24:0) tended to be higher in control pregnancies across gestation. However, in PE patients, SM 16:0, SM 18:0 and SM 18:1 showed significant up-regulation across gestation, pointing to atherogenic properties of the sphingomyelins and particularly the potential contribution of SM 18:0 to the disease development. In addition, two major sphingomyelins, SM 16:0 and SM 18:0, were significantly lower in first trimester plasma of PE patients versus first trimester samples of respective controls (p = 0.007 and p = 0.002, respectively). Conclusions Cross-gestational analysis of maternal plasma of preeclamptic and normotensive women identifies differences in the biochemical profile of major sphingolipids (DH-S1P, sphingomyelins and ceramides) between these two groups. In addition, first trimester maternal plasma sphingolipids (Cer 14:0, SM 16:0 and SM 18:0) may serve in the future as early biomarkers of PE occurrence and development.
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Takahashi C, Kurano M, Nishikawa M, Kano K, Dohi T, Miyauchi K, Daida H, Shimizu T, Aoki J, Yatomi Y. Vehicle-dependent Effects of Sphingosine 1-phosphate on Plasminogen Activator Inhibitor-1 Expression. J Atheroscler Thromb 2017; 24:954-969. [PMID: 28321011 PMCID: PMC5587522 DOI: 10.5551/jat.37663] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Aim: Sphingosine 1-phosphate (S1P) has been suggested to be a positive regulator of plasminogen activator inhibitor 1 (PAI-1) in adipocytes, while some studies are not consistent with this prothrombotic property of S1P. Since S1P is bound to apolipoprotein M (apoM) on HDL or to albumin in plasma, we compared the properties of these two forms on the PAI-1 induction. Methods: We investigated the associations of S1P, apoM, and PAI-1 concentrations in the plasma of normal coronary artery (NCA), stable angina pectoris (SAP), and acute coronary syndrome (ACS) subjects (n = 32, 71, and 38, respectively). Then, we compared the effects of S1P with various vehicles on the PAI-1 expression in 3T3L1 adipocytes. We also investigated the modulation of the PAI-1 levels in mice infected with adenovirus coding apoM. Results: Among ACS subjects, the PAI-1 level was positively correlated with the S1P level, but not the apoM level. In adipocytes, S1P bound to an apoM-rich vehicle induced PAI-1 expression to a lesser extent than the control vehicle, while S1P bound to an apoM-depleted vehicle induced PAI-1 expression to a greater extent than the control vehicle in 3T3L1 adipocytes. Additionally, apoM overexpression in mice failed to modulate the plasma PAI-1 level and the adipose PAI-1 expression level. S1P bound to albumin increased PAI-1 expression through the S1P receptor 2-Rho/ROCK-NFκB pathway. Conclusion: S1P bound to albumin, but not to apoM, induces PAI-1 expression in adipocytes, indicating that S1P can exert different properties on the pathogenesis of vascular diseases, depending on its vehicle.
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Affiliation(s)
- Chiharu Takahashi
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo.,CREST, Japan Science and Technology Corporation (JST)
| | - Makoto Kurano
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo.,CREST, Japan Science and Technology Corporation (JST)
| | - Masako Nishikawa
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo.,CREST, Japan Science and Technology Corporation (JST)
| | - Kuniyuki Kano
- CREST, Japan Science and Technology Corporation (JST).,Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University
| | - Tomotaka Dohi
- Department of Cardiovascular Medicine, Juntendo University School of Medicine
| | - Katsumi Miyauchi
- Department of Cardiovascular Medicine, Juntendo University School of Medicine
| | - Hiroyuki Daida
- Department of Cardiovascular Medicine, Juntendo University School of Medicine
| | - Tomo Shimizu
- Tsukuba Research Institute, Research & Development Division, Sekisui Medical Co., Ltd
| | - Junken Aoki
- CREST, Japan Science and Technology Corporation (JST).,Laboratory of Molecular and Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Tohoku University
| | - Yutaka Yatomi
- Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo.,CREST, Japan Science and Technology Corporation (JST)
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High density lipoprotein (HDL)-associated sphingosine 1-phosphate (S1P) inhibits macrophage apoptosis by stimulating STAT3 activity and survivin expression. Atherosclerosis 2017; 257:29-37. [DOI: 10.1016/j.atherosclerosis.2016.12.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 11/22/2016] [Accepted: 12/08/2016] [Indexed: 01/11/2023]
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Kurano M, Hara M, Ikeda H, Tsukamoto K, Yatomi Y. Involvement of CETP (Cholesteryl Ester Transfer Protein) in the Shift of Sphingosine-1-Phosphate Among Lipoproteins and in the Modulation of its Functions. Arterioscler Thromb Vasc Biol 2017; 37:506-514. [PMID: 28126827 DOI: 10.1161/atvbaha.116.308692] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 01/11/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVE Sphingosine-1-phosphate (S1P) is a vasoprotective lipid mediator. About two thirds of plasma S1P rides on high-density lipoprotein (HDL), and several pleiotropic properties of HDL have been ascribed to S1P. In human subjects, CETP (cholesteryl ester transfer protein) greatly influences HDL quantities. In this study, we attempted to elucidate the roles of CETP in the metabolism of S1P. APPROACH AND RESULTS We overexpressed CETP in mice that lacked CETP and found that CETP overexpression decreased the HDL level but failed to modulate the levels of S1P and apolipoprotein M (apoM), a carrier of S1P, in the total plasma. We observed, however, that the distribution of S1P and apoM shifted from HDL to apoB-containing lipoproteins. When we administered C17S1P bound to apoM-containing lipoprotein, C17S1P and apoM were rapidly transferred to apoB-containing lipoproteins in CETP-overexpressing mice. When HDL containing C17S1P was mixed with low-density lipoprotein ex vivo, C17S1P shifted to the low-density lipoprotein fraction independent of the presence of CETP. Concordant with these results, apoM was distributed mainly to the same fraction as apo AI in a CETP-deficient subject, although apoM was also detected in apo AI-poor fractions in a corresponding hypercholesterolemia subject. About the bioactivities of S1P carried on each lipoprotein, S1P riding on apoB-containing lipoproteins induced the phosphorylation of Akt (AKT8 virus oncogene cellular homolog) and eNOS (endothelial nitric oxide synthase) in human umbilical vein endothelial cells, and CETP overexpression increased insulin secretion and sensitivity, which was inhibited by an S1P receptor 1 or 3 antagonist. CONCLUSIONS CETP modulates the distribution of S1P among lipoproteins, which affects the bioactivities of S1P.
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Affiliation(s)
- Makoto Kurano
- From the Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Japan (M.K., H.I., Y.Y.); Department of Medicine IV, Mizonokuchi Hospital, Teikyo University School of Medicine, Kawasaki, Japan (M.H.); and Department of Metabolism, Diabetes and Nephrology, Aizu Medical Center, Fukushima Medical University, Japan (K.T.)
| | - Masumi Hara
- From the Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Japan (M.K., H.I., Y.Y.); Department of Medicine IV, Mizonokuchi Hospital, Teikyo University School of Medicine, Kawasaki, Japan (M.H.); and Department of Metabolism, Diabetes and Nephrology, Aizu Medical Center, Fukushima Medical University, Japan (K.T.)
| | - Hitoshi Ikeda
- From the Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Japan (M.K., H.I., Y.Y.); Department of Medicine IV, Mizonokuchi Hospital, Teikyo University School of Medicine, Kawasaki, Japan (M.H.); and Department of Metabolism, Diabetes and Nephrology, Aizu Medical Center, Fukushima Medical University, Japan (K.T.)
| | - Kazuhisa Tsukamoto
- From the Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Japan (M.K., H.I., Y.Y.); Department of Medicine IV, Mizonokuchi Hospital, Teikyo University School of Medicine, Kawasaki, Japan (M.H.); and Department of Metabolism, Diabetes and Nephrology, Aizu Medical Center, Fukushima Medical University, Japan (K.T.)
| | - Yutaka Yatomi
- From the Department of Clinical Laboratory Medicine, Graduate School of Medicine, The University of Tokyo, Japan (M.K., H.I., Y.Y.); Department of Medicine IV, Mizonokuchi Hospital, Teikyo University School of Medicine, Kawasaki, Japan (M.H.); and Department of Metabolism, Diabetes and Nephrology, Aizu Medical Center, Fukushima Medical University, Japan (K.T.).
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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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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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Karathanasis SK, Freeman LA, Gordon SM, Remaley AT. The Changing Face of HDL and the Best Way to Measure It. Clin Chem 2016; 63:196-210. [PMID: 27879324 DOI: 10.1373/clinchem.2016.257725] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 10/26/2016] [Indexed: 01/08/2023]
Abstract
BACKGROUND HDL cholesterol (HDL-C) is a commonly used lipid biomarker for assessing cardiovascular health. While a central focus has been placed on the role of HDL in the reverse cholesterol transport (RCT) process, our appreciation for the other cardioprotective properties of HDL continues to expand with further investigation into the structure and function of HDL and its specific subfractions. The development of novel assays is empowering the research community to assess different aspects of HDL function, which at some point may evolve into new diagnostic tests. CONTENT This review discusses our current understanding of the formation and maturation of HDL particles via RCT, as well as the newly recognized roles of HDL outside RCT. The antioxidative, antiinflammatory, antiapoptotic, antithrombotic, antiinfective, and vasoprotective effects of HDL are all discussed, as are the related methodologies for assessing these different aspects of HDL function. We elaborate on the importance of protein and lipid composition of HDL in health and disease and highlight potential new diagnostic assays based on these parameters. SUMMARY Although multiple epidemiologic studies have confirmed that HDL-C is a strong negative risk marker for cardiovascular disease, several clinical and experimental studies have yielded inconsistent results on the direct role of HDL-C as an antiatherogenic factor. As of yet, our increased understanding of HDL biology has not been translated into successful new therapies, but will undoubtedly depend on the development of alternative ways for measuring HDL besides its cholesterol content.
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Affiliation(s)
| | - Lita A Freeman
- Lipoprotein Metabolism Section, Cardiovascular-Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD
| | - Scott M Gordon
- Lipoprotein Metabolism Section, Cardiovascular-Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD
| | - Alan T Remaley
- Lipoprotein Metabolism Section, Cardiovascular-Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD.
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Sasset L, Zhang Y, Dunn TM, Di Lorenzo A. Sphingolipid De Novo Biosynthesis: A Rheostat of Cardiovascular Homeostasis. Trends Endocrinol Metab 2016; 27:807-819. [PMID: 27562337 PMCID: PMC5075255 DOI: 10.1016/j.tem.2016.07.005] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 07/07/2016] [Accepted: 07/20/2016] [Indexed: 01/01/2023]
Abstract
Sphingolipids (SL) are both fundamental structural components of the eukaryotic membranes and signaling molecules that regulate a variety of biological functions. The highly-bioactive lipids, ceramide and sphingosine-1-phosphate, have emerged as important regulators of cardiovascular function in health and disease. In this review we discuss recent insights into the role of SLs, particularly ceramide and sphingosine-1-phosphate, in the pathophysiology of the cardiovascular system. We also highlight advances into the molecular mechanisms regulating serine palmitoyltransferase, the first and rate-limiting enzyme of de novo SL biosynthesis, with an emphasis on the recently discovered inhibitors of serine palmitoyltransferase, ORMDL and NOGO-B proteins. Understanding the molecular mechanisms regulating this biosynthetic pathway may lead to the development of novel therapeutic approaches for the treatment of cardiovascular diseases.
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Affiliation(s)
- Linda Sasset
- Center for Vascular Biology, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA
| | - Yi Zhang
- Center for Vascular Biology, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA
| | - Teresa M Dunn
- Department of Biochemistry and Molecular Biology, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Annarita Di Lorenzo
- Center for Vascular Biology, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, Cornell University, New York, NY 10065, USA.
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Glucose or Altered Ceramide Biosynthesis Mediate Oxygen Deprivation Sensitivity Through Novel Pathways Revealed by Transcriptome Analysis in Caenorhabditis elegans. G3-GENES GENOMES GENETICS 2016; 6:3149-3160. [PMID: 27507791 PMCID: PMC5068937 DOI: 10.1534/g3.116.031583] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Individuals with type 2 diabetes display metabolic abnormalities, such as hyperglycemia, increased free fatty acids, insulin resistance, and altered ceramide levels, that contribute to vascular dysfunctions and compromised oxygen delivery. Caenorhabditis elegans fed a glucose-supplemented diet or with altered ceramide metabolism, due to a hyl-2 mutation, are sensitive to oxygen deprivation (anoxia). Our experiments showed that the combination of these factors further decreased the anoxia survival. RNA-sequencing analysis was performed to assess how a glucose-supplemented diet and/or a hyl-2 mutation altered the transcriptome. Comparison analysis of transcripts associated with anoxia-sensitive animals [hyl-2(tm2031) mutation or a glucose diet] revealed 199 common transcripts encoded by genes with known or predicted functions involving innate immunity, cuticle function (collagens), or xenobiotic and endobiotic phase I and II detoxification system. Use of RNA interference (RNAi) to target gene products of the xenobiotic and endobiotic phase I and II detoxification system (UDP-glycosyltransferase and Cytochrome p450 genes; ugt-15, ugt-18, ugt-19, ugt-41, ugt-63, cyp-13A12, cyp-25A1, and cyp-33C8) increased anoxia survival in wild-type animals fed a standard diet. Anoxia sensitivity of the hyl-2(tm2031) animals was suppressed by RNAi of cyp-25A1 or cyp-33C8 genes. A glucose diet fed to the P0 hermaphrodite decreased the anoxia survival of its F1 embryos; however, the RNAi of ugt-63 and cyp-33C8 suppressed anoxia sensitivity. These studies provide evidence that the detoxification system impacts oxygen deprivation responses and that C. elegans can be used to model the conserved detoxification system.
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