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Kuo A, Hla T. Regulation of cellular and systemic sphingolipid homeostasis. Nat Rev Mol Cell Biol 2024:10.1038/s41580-024-00742-y. [PMID: 38890457 DOI: 10.1038/s41580-024-00742-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2024] [Indexed: 06/20/2024]
Abstract
One hundred and fifty years ago, Johann Thudichum described sphingolipids as unusual "Sphinx-like" lipids from the brain. Today, we know that thousands of sphingolipid molecules mediate many essential functions in embryonic development and normal physiology. In addition, sphingolipid metabolism and signalling pathways are dysregulated in a wide range of pathologies, and therapeutic agents that target sphingolipids are now used to treat several human diseases. However, our understanding of sphingolipid regulation at cellular and organismal levels and their functions in developmental, physiological and pathological settings is rudimentary. In this Review, we discuss recent advances in sphingolipid pathways in different organelles, how secreted sphingolipid mediators modulate physiology and disease, progress in sphingolipid-targeted therapeutic and diagnostic research, and the trans-cellular sphingolipid metabolic networks between microbiota and mammals. Advances in sphingolipid biology have led to a deeper understanding of mammalian physiology and may lead to progress in the management of many diseases.
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Affiliation(s)
- Andrew Kuo
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, USA
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Department of Surgery, Harvard Medical School, Boston, MA, USA.
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2
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Sun G, Wang B, Wu X, Cheng J, Ye J, Wang C, Zhu H, Liu X. How do sphingosine-1-phosphate affect immune cells to resolve inflammation? Front Immunol 2024; 15:1362459. [PMID: 38482014 PMCID: PMC10932966 DOI: 10.3389/fimmu.2024.1362459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 02/06/2024] [Indexed: 04/17/2024] Open
Abstract
Inflammation is an important immune response of the body. It is a physiological process of self-repair and defense against pathogens taken up by biological tissues when stimulated by damage factors such as trauma and infection. Inflammation is the main cause of high morbidity and mortality in most diseases and is the physiological basis of the disease. Targeted therapeutic strategies can achieve efficient toxicity clearance at the inflammatory site, reduce complications, and reduce mortality. Sphingosine-1-phosphate (S1P), a lipid signaling molecule, is involved in immune cell transport by binding to S1P receptors (S1PRs). It plays a key role in innate and adaptive immune responses and is closely related to inflammation. In homeostasis, lymphocytes follow an S1P concentration gradient from the tissues into circulation. One widely accepted mechanism is that during the inflammatory immune response, the S1P gradient is altered, and lymphocytes are blocked from entering the circulation and are, therefore, unable to reach the inflammatory site. However, the full mechanism of its involvement in inflammation is not fully understood. This review focuses on bacterial and viral infections, autoimmune diseases, and immunological aspects of the Sphks/S1P/S1PRs signaling pathway, highlighting their role in promoting intradial-adaptive immune interactions. How S1P signaling is regulated in inflammation and how S1P shapes immune responses through immune cells are explained in detail. We teased apart the immune cell composition of S1P signaling and the critical role of S1P pathway modulators in the host inflammatory immune system. By understanding the role of S1P in the pathogenesis of inflammatory diseases, we linked the genomic studies of S1P-targeted drugs in inflammatory diseases to provide a basis for targeted drug development.
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Affiliation(s)
- Gehui Sun
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Bin Wang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Xiaoyu Wu
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Jiangfeng Cheng
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Junming Ye
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Clinical College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Chunli Wang
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Hongquan Zhu
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Xiaofeng Liu
- Clinical College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
- Department of Emergency, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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Kume H, Harigane R, Rikimaru M. Involvement of Lysophospholipids in Pulmonary Vascular Functions and Diseases. Biomedicines 2024; 12:124. [PMID: 38255229 PMCID: PMC10813361 DOI: 10.3390/biomedicines12010124] [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: 10/31/2023] [Revised: 12/26/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Extracellular lysophospholipids (lysophosphatidic acid, lysophosphatidylcholine, sphingosine 1-phosphate, etc.), which are synthesized from phospholipids in the cell membrane, act as lipid mediators, and mediate various cellular responses in constituent cells in the respiratory system, such as contraction, proliferation, migration, and cytoskeletal organization. In addition to these effects, the expression of the adhesion molecules is enhanced by these extracellular lysophospholipids in pulmonary endothelial cells. These effects are exerted via specific G protein-coupled receptors. Rho, Ras, and phospholipase C (PLC) have been proven to be their signaling pathways, related to Ca2+ signaling due to Ca2+ dynamics and Ca2+ sensitization. Therefore, lysophospholipids probably induce pulmonary vascular remodeling through phenotype changes in smooth muscle cells, endothelial cells, and fibroblasts, likely resulting in acute respiratory distress syndrome due to vascular leak, pulmonary hypertension, and pulmonary fibrosis. Moreover, lysophospholipids induce the recruitment of inflammatory cells to the lungs via the enhancement of adhesion molecules in endothelial cells, potentially leading to the development of asthma. These results demonstrate that lysophospholipids may be novel therapeutic targets not only for injury, fibrosis, and hypertension in the lung, but also for asthma. In this review, we discuss the mechanisms of the effects of lysophospholipids on the respiratory system, and the possibility of precision medicine targeting lysophospholipids as treatable traits of these diseases.
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Affiliation(s)
- Hiroaki Kume
- Department of Infectious Diseases and Respiratory Medicine, Fukushima Medical University Aizu Medical Center, 21-2 Maeda, Tanisawa, Kawahigashi, Aizuwakamatsu City 969-3492, Fukushima, Japan; (R.H.); (M.R.)
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4
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Ranasinghe ADCU, Holohan M, Borger KM, Donahue DL, Kuc RD, Gerig M, Kim A, Ploplis VA, Castellino FJ, Schwarz MA. Altered Smooth Muscle Cell Histone Acetylome by the SPHK2/S1P Axis Promotes Pulmonary Hypertension. Circ Res 2023; 133:704-719. [PMID: 37698017 PMCID: PMC10543610 DOI: 10.1161/circresaha.123.322740] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND Epigenetic regulation of vascular remodeling in pulmonary hypertension (PH) is poorly understood. Transcription regulating, histone acetylation code alters chromatin accessibility to promote transcriptional activation. Our goal was to identify upstream mechanisms that disrupt epigenetic equilibrium in PH. METHODS Human pulmonary artery smooth muscle cells (PASMCs), human idiopathic pulmonary arterial hypertension (iPAH):human PASMCs, iPAH lung tissue, failed donor lung tissue, human pulmonary microvascular endothelial cells, iPAH:PASMC and non-iPAH:PASMC RNA-seq databases, NanoString nCounter, and cleavage under targets and release using nuclease were utilized to investigate histone acetylation, hyperacetylation targets, protein and gene expression, sphingolipid activation, cell proliferation, and gene target identification. SPHK2 (sphingosine kinase 2) knockout was compared with control C57BL/6NJ mice after 3 weeks of hypoxia and assessed for indices of PH. RESULTS We identified that Human PASMCs are vulnerable to the transcription-promoting epigenetic mediator histone acetylation resulting in alterations in transcription machinery and confirmed its pathological existence in PH:PASMC cells. We report that SPHK2 is elevated as much as 20-fold in iPAH lung tissue and is elevated in iPAH:PASMC cells. During PH pathogenesis, nuclear SPHK2 activates nuclear bioactive lipid S1P (sphingosine 1-phosphate) catalyzing enzyme and mediates transcription regulating histone H3K9 acetylation (acetyl histone H3 lysine 9 [Ac-H3K9]) through EMAP (endothelial monocyte activating polypeptide) II. In iPAH lungs, we identified a 4-fold elevation of the reversible epigenetic transcription modulator Ac-H3K9:H3 ratio. Loss of SPHK2 inhibited hypoxic-induced PH and Ac-H3K9 in mice. We discovered that pulmonary vascular endothelial cells are a priming factor of the EMAP II/SPHK2/S1P axis that alters the acetylome with a specificity for PASMC, through hyperacetylation of histone H3K9. Using cleavage under targets and release using nuclease, we further show that EMAP II-mediated SPHK2 has the potential to modify the local transcription machinery of pluripotency factor KLF4 (Krüppel-like factor 4) by hyperacetylating KLF4 Cis-regulatory elements while deletion and targeted inhibition of SPHK2 rescues transcription altering Ac-H3K9. CONCLUSIONS SPHK2 expression and its activation of the reversible histone H3K9 acetylation in human pulmonary artery smooth muscle cell represent new therapeutic targets that could mitigate PH vascular remodeling.
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Affiliation(s)
| | - Maggie Holohan
- Departments of Pediatrics and Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, South Bend, IN, United States
| | | | | | | | - Martin Gerig
- Departments of Pediatrics and Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, South Bend, IN, United States
| | - Andrew Kim
- Department of Chemistry and Biochemistry, University of Notre Dame
| | - Victoria A. Ploplis
- Harper Cancer Research Institute
- Department of Chemistry and Biochemistry, University of Notre Dame
- W. M. Keck Center for Transgene Research, University of Notre Dame
| | - Francis J. Castellino
- Harper Cancer Research Institute
- Department of Chemistry and Biochemistry, University of Notre Dame
- W. M. Keck Center for Transgene Research, University of Notre Dame
| | - Margaret A. Schwarz
- Harper Cancer Research Institute
- Department of Chemistry and Biochemistry, University of Notre Dame
- Departments of Pediatrics and Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, South Bend, IN, United States
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Wang N, Li JY, Zeng B, Chen GL. Sphingosine-1-Phosphate Signaling in Cardiovascular Diseases. Biomolecules 2023; 13:biom13050818. [PMID: 37238688 DOI: 10.3390/biom13050818] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Sphingosine-1-phosphate (S1P) is an important sphingolipid molecule involved in regulating cardiovascular functions in physiological and pathological conditions by binding and activating the three G protein-coupled receptors (S1PR1, S1PR2, and S1PR3) expressed in endothelial and smooth muscle cells, as well as cardiomyocytes and fibroblasts. It exerts its actions through various downstream signaling pathways mediating cell proliferation, migration, differentiation, and apoptosis. S1P is essential for the development of the cardiovascular system, and abnormal S1P content in the circulation is involved in the pathogenesis of cardiovascular disorders. This article reviews the effects of S1P on cardiovascular function and signaling mechanisms in different cell types in the heart and blood vessels under diseased conditions. Finally, we look forward to more clinical findings with approved S1PR modulators and the development of S1P-based therapies for cardiovascular diseases.
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Affiliation(s)
- Na Wang
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Jing-Yi Li
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Bo Zeng
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Gui-Lan Chen
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
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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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Sphingosine 1-Phosphate and Apolipoprotein M Levels and Their Correlations with Inflammatory Biomarkers in Patients with Untreated Familial Hypercholesterolemia. Int J Mol Sci 2022; 23:ijms232214065. [PMID: 36430543 PMCID: PMC9697457 DOI: 10.3390/ijms232214065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
High-density lipoprotein (HDL)-bound apolipoprotein M/sphingosine 1-phosphate (ApoM/S1P) complex in cardiovascular diseases serves as a bridge between HDL and endothelial cells, maintaining a healthy endothelial barrier. To date, S1P and ApoM in patients with untreated heterozygous familial hypercholesterolemia (HeFH) have not been extensively studied. Eighty-one untreated patients with HeFH and 32 healthy control subjects were included in this study. Serum S1P, ApoM, sCD40L, sICAM-1, sVCAM-1, oxLDL, and TNFα concentrations were determined by ELISA. PON1 activities were measured spectrophotometrically. Lipoprotein subfractions were detected by Lipoprint. We diagnosed FH using the Dutch Lipid Clinic Network criteria. Significantly higher serum S1P and ApoM levels were found in HeFH patients compared to controls. S1P negatively correlated with large HDL and positively with small HDL subfractions in HeFH patients and the whole study population. S1P showed significant positive correlations with sCD40L and MMP-9 levels and PON1 arylesterase activity, while we found significant negative correlation between sVCAM-1 and S1P in HeFH patients. A backward stepwise multiple regression analysis showed that the best predictors of serum S1P were large HDL subfraction and arylesterase activity. Higher S1P and ApoM levels and their correlations with HDL subfractions and inflammatory markers in HeFH patients implied their possible role in endothelial protection.
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Le TNU, Nguyen TQ, Kalailingam P, Nguyen YTK, Sukumar VK, Tan CKH, Tukijan F, Couty L, Hasan Z, Del Gaudio I, Wenk MR, Cazenave-Gassiot A, Camerer E, Nguyen LN. Mfsd2b and Spns2 are essential for maintenance of blood vessels during development and in anaphylactic shock. Cell Rep 2022; 40:111208. [PMID: 35977478 DOI: 10.1016/j.celrep.2022.111208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 05/23/2022] [Accepted: 07/21/2022] [Indexed: 01/22/2023] Open
Abstract
Sphingosine-1-phosphate (S1P) is a potent lipid mediator that is secreted by several cell types. We recently showed that Mfsd2b is an S1P transporter from hematopoietic cells that contributes approximately 50% plasma S1P. Here we report the characterization of compound deletion of Mfsd2b and Spns2, another S1P transporter active primarily in endothelial cells. Global deletion of Mfsd2b and Spns2 (global double knockout [gDKO]) results in embryonic lethality beyond embryonic day 14.5 (E14.5), with severe hemorrhage accompanied by defects of tight junction proteins, indicating that Mfsd2b and Spns2 provide S1P for signaling, which is essential for blood vessel integrity. Compound postnatal deletion of Mfsd2b and Spns2 using Mx1Cre (ctDKO-Mx1Cre) results in maximal 80% reduction of plasma S1P. ctDKO-Mx1Cre mice exhibit severe susceptibility to anaphylaxis, indicating that S1P from Mfsd2b and Spns2 is indispensable for vascular homeostasis. Our results show that S1P export from Mfsd2b and Spns2 is essential for developing and mature vasculature.
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Affiliation(s)
- Thanh Nha Uyen Le
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Toan Q Nguyen
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Pazhanichamy Kalailingam
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Yen Thi Kim Nguyen
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Viresh Krishnan Sukumar
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Clarissa Kai Hui Tan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Farhana Tukijan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Ludovic Couty
- Université Paris Cité, PARCC, INSERM U970, 56 Rue Leblanc, 75015 Paris, France
| | - Zafrul Hasan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
| | - Ilaria Del Gaudio
- Université Paris Cité, PARCC, INSERM U970, 56 Rue Leblanc, 75015 Paris, France
| | - Markus R Wenk
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore; Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Amaury Cazenave-Gassiot
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore; Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore
| | - Eric Camerer
- Université Paris Cité, PARCC, INSERM U970, 56 Rue Leblanc, 75015 Paris, France
| | - Long N Nguyen
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore; Singapore Lipidomics Incubator (SLING), Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore; Cardiovascular Disease Research (CVD) Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117545, Singapore; Immunology Program, Life Sciences Institute, National University of Singapore, Singapore 117456, Singapore; Immunology Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore.
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9
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Zhang R, Wang Q, Yang J. Potential of sphingosine-1-phosphate in preventing SARS-CoV-2 infection by stabilizing and protecting endothelial cells: Narrative review. Medicine (Baltimore) 2022; 101:e29164. [PMID: 35475801 PMCID: PMC9276324 DOI: 10.1097/md.0000000000029164] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 03/07/2022] [Indexed: 02/05/2023] Open
Abstract
Coronavirus disease 2019, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has spread worldwide, resulting in over 250 million infections and >5 million deaths. Most antiviral drugs and vaccines have shown limited efficacy against SARS-CoV-2. Clinical data revealed that except for the large number of self-healing mild cases, moderate and severe cases mostly survived after supportive treatment but not specific drug administration or vaccination. The endothelial system is the first physiological barrier, and its structural stability is of critical importance in conferring disease resistance. Membrane lipid components, particularly sphingosine-1-phosphate (S1P), play a central role in stabilizing the cell membrane.Here, we used "Boolean Operators" such as AND, OR, and NOT, to search for relevant research articles in PubMed, then reviewed the potential of S1P in inhibiting SARS-CoV-2 infection by stabilizing the endothelial system, this is the major aim of this review work.Reportedly, vasculitis and systemic inflammatory vascular diseases are caused by endothelial damage resulting from SARS-CoV-2 infection. S1P, S1P receptor (SIPR), and signaling were involved in the process of SARS-CoV-2 infection, and S1P potentially regulated the function of EC barrier, in turn, inhibited the SARS-CoV-2 to infect the endothelial cells, and ultimately has the promising therapeutic value to coronavirus disease 2019.Taken together, we conclude that maintaining or administering a high level of S1P will preserve the integrity of the EC structure and function, in turn, lowering the risk of SARS-CoV-2 infection and reducing complications and mortality.
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Affiliation(s)
- Rongzhi Zhang
- Department of Anesthesiology, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Qiang Wang
- Gansu Medical College, Pingliang, Gansu, China
| | - Jianshe Yang
- Department of Anesthesiology, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- Gansu Medical College, Pingliang, Gansu, China
- Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
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10
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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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Qiu Y, Shen J, Jiang W, Yang Y, Liu X, Zeng Y. Sphingosine 1-phosphate and its regulatory role in vascular endothelial cells. Histol Histopathol 2022; 37:213-225. [PMID: 35118637 DOI: 10.14670/hh-18-428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Sphingosine 1-phosphate (S1P) is a bioactive metabolite of sphingomyelin. S1P activates a series of signaling cascades by acting on its receptors S1PR1-3 on endothelial cells (ECs), which plays an important role in endothelial barrier maintenance, anti-inflammation, antioxidant and angiogenesis, and thus is considered as a potential therapeutic biomarker for ischemic stroke, sepsis, idiopathic pulmonary fibrosis, cancers, type 2 diabetes and cardiovascular diseases. We presently review the levels of S1P in those vascular and vascular-related diseases. Plasma S1P levels were reduced in various inflammation-related diseases such as atherosclerosis and sepsis, but were increased in other diseases including type 2 diabetes, neurodegeneration, cerebrovascular damages such as acute ischemic stroke, Alzheimer's disease, vascular dementia, angina, heart failure, idiopathic pulmonary fibrosis, community-acquired pneumonia, and hepatocellular carcinoma. Then, we highlighted the molecular mechanism by which S1P regulated EC biology including vascular development and angiogenesis, inflammation, permeability, and production of reactive oxygen species (ROS), nitric oxide (NO) and hydrogen sulfide (H₂S), which might provide new ways for exploring the pathogenesis and implementing individualized therapy strategies for those diseases.
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Affiliation(s)
- Yan Qiu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Junyi Shen
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Wenli Jiang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Yi Yang
- Department of Orthopeadics, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Xiaoheng Liu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Ye Zeng
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.
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McGowan EM, Lin Y, Chen S. Targeting Chronic Inflammation of the Digestive System in Cancer Prevention: Modulators of the Bioactive Sphingolipid Sphingosine-1-Phosphate Pathway. Cancers (Basel) 2022; 14:cancers14030535. [PMID: 35158806 PMCID: PMC8833440 DOI: 10.3390/cancers14030535] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 01/04/2023] Open
Abstract
Incidence of gastrointestinal (GI) cancers is increasing, and late-stage diagnosis makes these cancers difficult to treat. Chronic and low-grade inflammation are recognized risks for most GI cancers. The GI mucosal immune system maintains healthy homeostasis and signalling molecules made from saturated fats, bioactive sphingolipids, play essential roles in healthy GI immunity. Sphingosine-1-phosphate (S1P), a bioactive sphingolipid, is a key mediator in a balanced GI immune response. Disruption in the S1P pathway underlies systemic chronic metabolic inflammatory disorders, including diabetes and GI cancers, providing a strong rationale for using modulators of the S1P pathway to treat pathological inflammation. Here, we discuss the effects of bioactive sphingolipids in immune homeostasis with a focus on S1P in chronic low-grade inflammation associated with increased risk of GI carcinogenesis. Contemporary information on S1P signalling involvement in cancers of the digestive system, from top to bottom, is reviewed. Further, we discuss the use of novel S1P receptor modulators currently in clinical trials and their potential as first-line drugs in the clinic for chronic inflammatory diseases. Recently, ozanimod (ZeposiaTM) and etrasimod have been approved for clinical use to treat ulcerative colitis and eosinophilic oesophagitis, respectively, which may have longer term benefits in reducing risk of GI cancers.
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Affiliation(s)
- Eileen M. McGowan
- Central Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China; (Y.L.); (S.C.)
- Guangdong Provincial Engineering Research Center for Esophageal Cancer Precise Therapy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia
- Correspondence: ; Tel.: +86-614-0581-4048
| | - Yiguang Lin
- Central Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China; (Y.L.); (S.C.)
- Guangdong Provincial Engineering Research Center for Esophageal Cancer Precise Therapy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia
| | - Size Chen
- Central Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China; (Y.L.); (S.C.)
- Guangdong Provincial Engineering Research Center for Esophageal Cancer Precise Therapy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
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13
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Peters S, Fohmann I, Rudel T, Schubert-Unkmeir A. A Comprehensive Review on the Interplay between Neisseria spp. and Host Sphingolipid Metabolites. Cells 2021; 10:cells10113201. [PMID: 34831424 PMCID: PMC8623382 DOI: 10.3390/cells10113201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 02/01/2023] Open
Abstract
Sphingolipids represent a class of structural related lipids involved in membrane biology and various cellular processes including cell growth, apoptosis, inflammation and migration. Over the past decade, sphingolipids have become the focus of intensive studies regarding their involvement in infectious diseases. Pathogens can manipulate the sphingolipid metabolism resulting in cell membrane reorganization and receptor recruitment to facilitate their entry. They may recruit specific host sphingolipid metabolites to establish a favorable niche for intracellular survival and proliferation. In contrast, some sphingolipid metabolites can also act as a first line defense against bacteria based on their antimicrobial activity. In this review, we will focus on the strategies employed by pathogenic Neisseria spp. to modulate the sphingolipid metabolism and hijack the sphingolipid balance in the host to promote cellular colonization, invasion and intracellular survival. Novel techniques and innovative approaches will be highlighted that allow imaging of sphingolipid derivatives in the host cell as well as in the pathogen.
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Affiliation(s)
- Simon Peters
- Institute for Hygiene and Microbiology, University of Wuerzburg, 97080 Wuerzburg, Germany; (S.P.); (I.F.)
| | - Ingo Fohmann
- Institute for Hygiene and Microbiology, University of Wuerzburg, 97080 Wuerzburg, Germany; (S.P.); (I.F.)
| | - Thomas Rudel
- Chair of Microbiology, University of Wuerzburg, 97080 Wuerzburg, Germany;
| | - Alexandra Schubert-Unkmeir
- Institute for Hygiene and Microbiology, University of Wuerzburg, 97080 Wuerzburg, Germany; (S.P.); (I.F.)
- Correspondence: ; Tel.: +49-931-31-46721; Fax: +49-931-31-46445
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14
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Biologically active lipids in the regulation of lymphangiogenesis in disease states. Pharmacol Ther 2021; 232:108011. [PMID: 34614423 DOI: 10.1016/j.pharmthera.2021.108011] [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: 05/19/2021] [Revised: 07/31/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023]
Abstract
Lymphatic vessels have crucial roles in the regulation of interstitial fluids, immune surveillance, and the absorption of dietary fat in the intestine. Lymphatic function is also closely related to the pathogenesis of various disease states such as inflammation, lymphedema, endometriosis, liver dysfunction, and tumor metastasis. Lymphangiogenesis, the formation of new lymphatic vessels from pre-existing lymphatic vessels, is a critical determinant in the above conditions. Although the effect of growth factors on lymphangiogenesis is well-characterized, and biologically active lipids are known to affect smooth muscle contractility and vasoaction, there is accumulating evidence that biologically active lipids are also important inducers of growth factors and cytokines that regulate lymphangiogenesis. This review discusses recent advances in our understanding of biologically active lipids, including arachidonic acid metabolites, sphingosine 1-phosphate, and lysophosphatidic acid, as regulators of lymphangiogenesis, and the emerging importance of the lymphangiogenesis as a therapeutic target.
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15
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Chen Q, Wang W, Xia MF, Lu YL, Bian H, Yu C, Li XY, Vadas MA, Gao X, Lin HD, Xia P. Identification of circulating sphingosine kinase-related metabolites for prediction of type 2 diabetes. J Transl Med 2021; 19:393. [PMID: 34530846 PMCID: PMC8447705 DOI: 10.1186/s12967-021-03066-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/02/2021] [Indexed: 12/23/2022] Open
Abstract
Background Sphingosine Kinase (SphK) that catalyzes sphingosine (Sph) to sphingosine 1-phosphate (S1P), plays a key role in both sphingolipid metabolism and cellular signaling. While SphK has been implicated in type 2 diabetes mellitus (T2DM), it is unexplored in humans. Herein, we investigated whether circulating SphK-related metabolites are associated with T2DM incidence in an established prospective cohort. Methods Levels of SphK-related sphingolipid metabolites, including Sph, S1P, dihydrosphingosine (dhSph) and dihydro-S1P (dhS1P) in serum were measured by targeted-lipidomic analyses. By accessing to an established prospective cohort that involves a total of 2486 non-diabetic adults at baseline, 100 subjects who developed T2DM after a mean follow-up of 4.2-years, along with 100 control subjects matched strictly with age, sex, BMI and fasting glucose, were randomly enrolled for the present study. Results Comparison with the control group, medians of serum dhS1P and dhS1P/dhSph ratio at baseline were elevated significantly prior to the onset of T2DM. Each SD increment of dhS1P and dhS1P/dhSph ratio was associated with 53.5% and 54.1% increased risk of incident diabetes, respectively. The predictive effect of circulating dhS1P and dhS1P/dhSph ratio on T2DM incidence was independent of conventional risk factors in multivariate regression models. Furthermore, combination of serum dhS1P and dhS1P/dhSph ratio with conventional clinical indices significantly improved the accuracy of T2DM prediction (AUROC, 0.726), especially for normoglycemic subjects (AUROC, 0.859). Conclusion Circulating levels of dhS1P and dhS1P/dhSph ratio are strongly associated with increased risk of T2DM, and could serve as a useful biomarker for prediction of incident T2DM in normoglycemic populations.
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Affiliation(s)
- Qi Chen
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Wei Wang
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Ming-Feng Xia
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - You-Li Lu
- Central Laboratory, Xuhui Central Hospital, Shanghai, China
| | - Hua Bian
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Chen Yu
- Central Laboratory, Xuhui Central Hospital, Shanghai, China
| | - Xiao-Ying Li
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Mathew A Vadas
- Centenary Institute, The University of Sydney, Sydney, Australia
| | - Xin Gao
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Huan-Dong Lin
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
| | - Pu Xia
- Department of Endocrinology and Metabolism, Fudan Institute for Metabolic Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
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16
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Lv L, Yi Q, Yan Y, Chao F, Li M. SPNS2 Downregulation Induces EMT and Promotes Colorectal Cancer Metastasis via Activating AKT Signaling Pathway. Front Oncol 2021; 11:682773. [PMID: 34249729 PMCID: PMC8264774 DOI: 10.3389/fonc.2021.682773] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 04/28/2021] [Indexed: 02/06/2023] Open
Abstract
Spinster homologue 2 (SPNS2), a transporter of S1P (sphingosine-1-phosphate), has been reported to mediate immune response, vascular development, and pathologic processes of diseases such as cancer via S1P signaling pathways. However, its biological functions and expression profile in colorectal cancer (CRC) is elusive. In this study, we disclosed that SPNS2 expression, which was regulated by copy number variation and DNA methylation of its promoter, was dramatically upregulated in colon adenoma and CRC compared to normal tissues. However, its expression was lower in CRC than in colon adenoma, and low expression of SPN2 correlated with advanced T/M/N stage and poor prognosis in CRC. Ectopic expression of SPNS2 inhibited cell proliferation, migration, epithelial–mesenchymal transition (EMT), invasion, and metastasis in CRC cell lines, while silencing SPNS2 had the opposite effects. Meanwhile, measuring the intracellular and extracellular level of S1P after overexpression of SPNS2 pinpointed a S1P-independent model of SPNS2. Mechanically, SPNS2 led to PTEN upregulation and inactivation of Akt. Moreover, AKT inhibitor (MK2206) abrogated SPNS2 knockdown-induced promoting effects on the migration and invasion, while AKT activator (SC79) reversed the repression of migration and invasion by SPNS2 overexpression in CRC cells, confirming the pivotal role of AKT for SPNS2’s function. Collectively, our study demonstrated the suppressor role of SPNS2 during CRC metastasis, providing new insights into the pathology and molecular mechanisms of CRC progression.
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Affiliation(s)
- Lei Lv
- Department of Cancer Epigenetics Program, Anhui Provincial Cancer Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Qiyi Yi
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Ying Yan
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Fengmei Chao
- Department of Cancer Epigenetics Program, Anhui Provincial Cancer Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Ming Li
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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17
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Fakhr Y, Brindley DN, Hemmings DG. Physiological and pathological functions of sphingolipids in pregnancy. Cell Signal 2021; 85:110041. [PMID: 33991614 DOI: 10.1016/j.cellsig.2021.110041] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 01/12/2023]
Abstract
Signaling by the bioactive sphingolipid, sphingosine 1-phosphate (S1P), and its precursors are emerging areas in pregnancy research. S1P and ceramide levels increase towards end of gestation, suggesting a physiological role in parturition. However, high levels of circulating S1P and ceramide are correlated with pregnancy disorders such as preeclampsia, gestational diabetes mellitus and intrauterine growth restriction. Expression of placental and decidual enzymes that metabolize S1P and S1P receptors are also dysregulated during pregnancy complications. In this review, we provide an in-depth examination of the signaling mechanism of S1P and ceramide in various reproductive tissues during gestation. These factors determine implantation and early pregnancy success by modulating corpus luteum function from progesterone production to luteolysis through to apoptosis. We also highlight the role of S1P through receptor signaling in inducing decidualization and angiogenesis in the decidua, as well as regulating extravillous trophoblast migration to anchor the placenta into the uterine wall. Recent advances on the role of the S1P:ceramide rheostat in controlling the fate of villous trophoblasts and the role of S1P as a negative regulator of trophoblast syncytialization to a multinucleated placental barrier are discussed. This review also explores the role of S1P in anti-inflammatory and pro-inflammatory signaling, its role as a vasoconstrictor, and the effects of S1P metabolizing enzymes and receptors in pregnancy.
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Affiliation(s)
- Yuliya Fakhr
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; Women and Children's Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada
| | - David N Brindley
- Women and Children's Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada; Signal Transduction Research Group, Department of Biochemistry, University of Alberta, Edmonton, AB T6G 2S2, Canada; Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton, AB T6G 2S2, Canada
| | - Denise G Hemmings
- Department of Obstetrics and Gynecology, University of Alberta, Edmonton, AB T6G 2S2, Canada; Women and Children's Health Research Institute, University of Alberta, Edmonton, AB T6G 1C9, Canada; Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB T6G 2E1, Canada; Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton, AB T6G 2S2, Canada; Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2S2, Canada.
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18
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Dhangadamajhi G, Singh S. Malaria link of hypertension: a hidden syndicate of angiotensin II, bradykinin and sphingosine 1-phosphate. Hum Cell 2021; 34:734-744. [PMID: 33683655 DOI: 10.1007/s13577-021-00513-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/22/2021] [Indexed: 01/22/2023]
Abstract
In malaria-endemic countries, the burden of hypertension is on the rise. Although malaria and hypertension seem to have no direct link, several studies in recent years support their possible link. Three bioactive molecules such as angiotensin II (Ang II), bradykinin (BK) and sphingosine 1-phosphate (S1P) are crucial in regulating blood pressure. While the increased level of Ang II and S1P are responsible for inducing hypertension, BK is arthero-protective and anti-hypertensive. Therefore, in the present review, based on available literatures we highlight the present knowledge on the production and bioavailability of these molecules, the mechanism of their regulation of hypertension, and patho-physiological role in malaria. Further, a possible link between malaria and hypertension is hypothesized through various arguments based on experimental evidence. Understanding of their mechanisms of blood pressure regulation during malaria infection may open up avenues for drug therapeutics and management of malaria in co-morbidity with hypertension.
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Affiliation(s)
- Gunanidhi Dhangadamajhi
- Department of Biotechnology, Maharaja Sriramchandra Bhanjadeo University, Takatpur, Baripada, Odisha, 75003, India.
| | - Shailja Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, 110067, India
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19
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Transcriptional Regulation of Sphingosine Kinase 1. Cells 2020; 9:cells9112437. [PMID: 33171624 PMCID: PMC7695205 DOI: 10.3390/cells9112437] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/25/2020] [Accepted: 11/05/2020] [Indexed: 01/29/2023] Open
Abstract
Once thought to be primarily structural in nature, sphingolipids have become increasingly appreciated as second messengers in a wide array of signaling pathways. Sphingosine kinase 1, or SK1, is one of two sphingosine kinases that phosphorylate sphingosine into sphingosine-1-phosphate (S1P). S1P is generally pro-inflammatory, pro-angiogenic, immunomodulatory, and pro-survival; therefore, high SK1 expression and activity have been associated with certain inflammatory diseases and cancer. It is thus important to develop an understanding of the regulation of SK1 expression and activity. In this review, we explore the current literature on SK1 transcriptional regulation, illustrating a complex system of transcription factors, cytokines, and even micro-RNAs (miRNAs) on the post transcriptional level.
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20
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McGowan EM, Haddadi N, Nassif NT, Lin Y. Targeting the SphK-S1P-SIPR Pathway as a Potential Therapeutic Approach for COVID-19. Int J Mol Sci 2020; 21:ijms21197189. [PMID: 33003377 PMCID: PMC7583882 DOI: 10.3390/ijms21197189] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 09/25/2020] [Accepted: 09/25/2020] [Indexed: 02/07/2023] Open
Abstract
The world is currently experiencing the worst health pandemic since the Spanish flu in 1918-the COVID-19 pandemic-caused by the coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This pandemic is the world's third wake-up call this century. In 2003 and 2012, the world experienced two major coronavirus outbreaks, SARS-CoV-1 and Middle East Respiratory syndrome coronavirus (MERS-CoV), causing major respiratory tract infections. At present, there is neither a vaccine nor a cure for COVID-19. The severe COVID-19 symptoms of hyperinflammation, catastrophic damage to the vascular endothelium, thrombotic complications, septic shock, brain damage, acute disseminated encephalomyelitis (ADEM), and acute neurological and psychiatric complications are unprecedented. Many COVID-19 deaths result from the aftermath of hyperinflammatory complications, also referred to as the "cytokine storm syndrome", endotheliitus and blood clotting, all with the potential to cause multiorgan dysfunction. The sphingolipid rheostat plays integral roles in viral replication, activation/modulation of the immune response, and importantly in maintaining vasculature integrity, with sphingosine 1 phosphate (S1P) and its cognate receptors (SIPRs: G-protein-coupled receptors) being key factors in vascular protection against endotheliitus. Hence, modulation of sphingosine kinase (SphK), S1P, and the S1P receptor pathway may provide significant beneficial effects towards counteracting the life-threatening, acute, and chronic complications associated with SARS-CoV-2 infection. This review provides a comprehensive overview of SARS-CoV-2 infection and disease, prospective vaccines, and current treatments. We then discuss the evidence supporting the targeting of SphK/S1P and S1P receptors in the repertoire of COVID-19 therapies to control viral replication and alleviate the known and emerging acute and chronic symptoms of COVID-19. Three clinical trials using FDA-approved sphingolipid-based drugs being repurposed and evaluated to help in alleviating COVID-19 symptoms are discussed.
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Affiliation(s)
- Eileen M McGowan
- Guangdong Provincial Engineering Research Center for Esophageal Cancer Precise Therapy, Guangdong Pharmaceutical University, Guangzhou 510080, China;
- Central Laboratory, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia; (N.H.); (N.T.N.)
- Correspondence: ; Tel.: +61-405814048
| | - Nahal Haddadi
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia; (N.H.); (N.T.N.)
| | - Najah T. Nassif
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia; (N.H.); (N.T.N.)
| | - Yiguang Lin
- Guangdong Provincial Engineering Research Center for Esophageal Cancer Precise Therapy, Guangdong Pharmaceutical University, Guangzhou 510080, China;
- School of Life Sciences, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia; (N.H.); (N.T.N.)
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21
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Dhangadamajhi G, Singh S. Sphingosine 1-Phosphate in Malaria Pathogenesis and Its Implication in Therapeutic Opportunities. Front Cell Infect Microbiol 2020; 10:353. [PMID: 32923406 PMCID: PMC7456833 DOI: 10.3389/fcimb.2020.00353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/08/2020] [Indexed: 11/13/2022] Open
Abstract
Sphingosine 1-Phosphate (S1P) is a bioactive lipid intermediate in the sphingolipid metabolism, which exist in two pools, intracellular and extracellular, and each pool has a different function. The circulating extracellular pool, specifically the plasma S1P is shown to be important in regulating various physiological processes related to malaria pathogenesis in recent years. Although blood cells (red blood cells and platelets), vascular endothelial cells and hepatocytes are considered as the important sources of plasma S1P, their extent of contribution is still debated. The red blood cells (RBCs) and platelets serve as a major repository of intracellular S1P due to lack, or low activity of S1P degrading enzymes, however, contribution of platelets toward maintaining plasma S1P is shown negligible under normal condition. Substantial evidences suggest platelets loss during falciparum infection as a contributing factor for severe malaria. However, platelets function as a source for plasma S1P in malaria needs to be examined experimentally. RBC being the preferential site for parasite seclusion, and having the ability of trans-cellular S1P transportation to EC upon tight cell-cell contact, might play critical role in differential S1P distribution and parasite growth. In the present review, we have summarized the significance of both the S1P pools in the context of malaria, and how the RBC content of S1P can be channelized in better ways for its possible implication in therapeutic opportunities to control malaria.
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Affiliation(s)
| | - Shailja Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, India
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22
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Anwar M, Mehta D. Post-translational modifications of S1PR1 and endothelial barrier regulation. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158760. [PMID: 32585303 PMCID: PMC7409382 DOI: 10.1016/j.bbalip.2020.158760] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 06/09/2020] [Accepted: 06/15/2020] [Indexed: 12/16/2022]
Abstract
Sphingosine-1-phosphate receptor-1 (S1PR1), a G-protein coupled receptor that is expressed in endothelium and activated upon ligation by the bioactive lipid sphingosine-1-phosphate (S1P), is an important vascular-barrier protective mechanism at the level of adherens junctions (AJ). Loss of endothelial barrier function is a central factor in the pathogenesis of various inflammatory conditions characterized by protein-rich lung edema formation, such as acute respiratory distress syndrome (ARDS). While several S1PR1 agonists are available, the challenge of arresting the progression of protein-rich edema formation remains to be met. In this review, we discuss the role of S1PRs, especially S1PR1, in regulating endothelial barrier function. We review recent findings showing that replenishment of the pool of cell-surface S1PR1 may be crucial to the effectiveness of S1P in repairing the endothelial barrier. In this context, we discuss the S1P generating machinery and mechanisms that regulate S1PR1 at the cell surface and their impact on endothelial barrier function.
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Affiliation(s)
- Mumtaz Anwar
- Department of Pharmacology and Center for Lung and Vascular Biology, University of Illinois at Chicago Chicago, IL 60612, United States of America
| | - Dolly Mehta
- Department of Pharmacology and Center for Lung and Vascular Biology, University of Illinois at Chicago Chicago, IL 60612, United States of America.
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23
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Raza Z, Saleem U, Naureen Z. Sphingosine 1-phosphate signaling in ischemia and reperfusion injury. Prostaglandins Other Lipid Mediat 2020; 149:106436. [PMID: 32173486 DOI: 10.1016/j.prostaglandins.2020.106436] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 02/07/2023]
Abstract
Ischemia and reperfusion injury is a complex hemodynamic pathological phenomenon that engages the metabolic to inflammatory machinery in development of disease conditions like heart failure, stroke and acute kidney failure. Target specific therapeutic approaches for ischemia reperfusion injury remains critical despite the extensive studies contributing to the understanding of its pathogenesis. Ischemic or pharmacological conditionings have been long established manipulations to harness the endogenous protective mechanisms against ischemia reperfusion injury that fostered the development of potential therapeutic targets such as sphingolipids signaling. Sphingosine 1-phosphate has been emerged as a crucial metabolite of sphingolipids to regulate the cell survival, vascular integrity and inflammatory cascades in ischemia reperfusion injury. Sphingosine 1-phosphate signaling process has been implicated to downgrade the mitochondrial dysfunction, apoptotic assembly along with upregulation of RISK and SAFE pro-survival pathways. It also regulates the endothelial dysfunction and immune cells behavior to control the vascular permeability and immune cells infiltration at ischemia reperfusion injury site. Targeting the signaling of this single moiety holds the vast potential to extensively influence the detrimental signaling of ischemia reperfusion injury. This review highlights the role and significance of S1P signaling that can be therapeutically exploit to treat ischemia reperfusion injury mediated pathological conditions in different organs.
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Affiliation(s)
- Zohaib Raza
- Government College University, Faisalabad, Pakistan.
| | - Uzma Saleem
- Government College University, Faisalabad, Pakistan
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Magli E, Corvino A, Fiorino F, Frecentese F, Perissutti E, Saccone I, Santagada V, Caliendo G, Severino B. Design of Sphingosine Kinases Inhibitors: Challenges and Recent Developments. Curr Pharm Des 2020; 25:956-968. [PMID: 30947653 DOI: 10.2174/1381612825666190404115424] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 03/27/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND Sphingosine kinases (SphKs) catalyze the phosphorylation of sphingosine to form the bioactive sphingolipid metabolite sphingosine-1-phosphate (S1P). S1P is an important lipid mediator with a wide range of biological functions; it is also involved in a variety of diseases such as inflammatory diseases, Alzheimer's disease and cancer. METHODS This review reports the recent advancement in the research of SphKs inhibitors. Our purpose is also to provide a complete overview useful for underlining the features needed to select a specific pharmacological profile. DISCUSSION Two distinct mammalian SphK isoforms have been identified, SphK1 and SphK2. These isoforms are encoded by different genes and exhibit distinct subcellular localizations, biochemical properties and functions. SphK1 and SphK2 inhibition can be useful in different pathological conditions. CONCLUSION SphK1 and SphK2 have many common features but different and even opposite biological functions. For this reason, several research groups are interested in understanding the therapeutic usefulness of a selective or non-selective inhibitor of SphKs. Moreover, a compensatory mechanism for the two isoforms has been demonstrated, thus leading to the development of dual inhibitors.
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Affiliation(s)
- Elisa Magli
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Angela Corvino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Ferdinando Fiorino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Francesco Frecentese
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Elisa Perissutti
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Irene Saccone
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Vincenzo Santagada
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Giuseppe Caliendo
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Beatrice Severino
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
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Riboni L, Abdel Hadi L, Navone SE, Guarnaccia L, Campanella R, Marfia G. Sphingosine-1-Phosphate in the Tumor Microenvironment: A Signaling Hub Regulating Cancer Hallmarks. Cells 2020; 9:E337. [PMID: 32024090 PMCID: PMC7072483 DOI: 10.3390/cells9020337] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/27/2020] [Accepted: 01/29/2020] [Indexed: 02/07/2023] Open
Abstract
As a key hub of malignant properties, the cancer microenvironment plays a crucial role intimately connected to tumor properties. Accumulating evidence supports that the lysophospholipid sphingosine-1-phosphate acts as a key signal in the cancer extracellular milieu. In this review, we have a particular focus on glioblastoma, representative of a highly aggressive and deleterious neoplasm in humans. First, we highlight recent advances and emerging concepts for how tumor cells and different recruited normal cells contribute to the sphingosine-1-phosphate enrichment in the cancer microenvironment. Then, we describe and discuss how sphingosine-1-phosphate signaling contributes to favor cancer hallmarks including enhancement of proliferation, stemness, invasion, death resistance, angiogenesis, immune evasion and, possibly, aberrant metabolism. We also discuss the potential of how sphingosine-1-phosphate control mechanisms are coordinated across distinct cancer microenvironments. Further progress in understanding the role of S1P signaling in cancer will depend crucially on increasing knowledge of its participation in the tumor microenvironment.
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Affiliation(s)
- Laura Riboni
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, via Fratelli Cervi, 93, 20090 Segrate, Milan, Italy
| | - Loubna Abdel Hadi
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, via Fratelli Cervi, 93, 20090 Segrate, Milan, Italy
| | - Stefania Elena Navone
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milan, Italy (L.G.)
| | - Laura Guarnaccia
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milan, Italy (L.G.)
- Department of Clinical Sciences and Community Health, University of Milan, 20100 Milan, Italy
| | - Rolando Campanella
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milan, Italy (L.G.)
| | - Giovanni Marfia
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milan, Italy (L.G.)
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Kemp JA, Keebaugh A, Edson JA, Chow D, Kleinman MT, Chew YC, McCracken AN, Edinger AL, Kwon YJ. Biocompatible Chemotherapy for Leukemia by Acid-Cleavable, PEGylated FTY720. Bioconjug Chem 2020; 31:673-684. [PMID: 31986014 DOI: 10.1021/acs.bioconjchem.9b00822] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Targeting the inability of cancerous cells to adapt to metabolic stress is a promising alternative to conventional cancer chemotherapy. FTY720 (Gilenya), an FDA-approved drug for the treatment of multiple sclerosis, has recently been shown to inhibit cancer progression through the down-regulation of essential nutrient transport proteins, selectively starving cancer cells to death. However, the clinical use of FTY720 for cancer therapy is prohibited because of its capability of inducing immunosuppression (lymphopenia) and bradycardia when phosphorylated upon administration. A prodrug to specifically prevent phosphorylation during circulation, hence avoiding bradycardia and lymphopenia, was synthesized by capping its hydroxyl groups with polyethylene glycol (PEG) via an acid-cleavable ketal linkage. Improved aqueous solubility was also accomplished by PEGylation. The prodrug reduces to fully potent FTY720 upon cellular uptake and induces metabolic stress in cancer cells. Enhanced release of FTY720 at a mildly acidic endosomal pH and the ability to substantially down-regulate cell-surface nutrient transporter proteins in leukemia cells only by an acid-cleaved drug were confirmed. Importantly, the prodrug demonstrated nearly identical efficacy to FTY720 in an animal model of BCR-Abl-driven leukemia without inducing bradycardia or lymphopenia in vivo, highlighting its potential clinical value. The prodrug formulation of FTY720 demonstrates the utility of precisely engineering a drug to avoid undesirable effects by tackling specific molecular mechanisms as well as a financially favorable alternative to new drug development. A multitude of existing cancer therapeutics may be explored for prodrug formulation to avoid specific side effects and preserve or enhance therapeutic efficacy.
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Affiliation(s)
| | | | | | | | | | - Yap Ching Chew
- Zymo Research Corporation, Irvine, California 92604, United States
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27
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Crivelli SM, Giovagnoni C, Visseren L, Scheithauer AL, de Wit N, den Hoedt S, Losen M, Mulder MT, Walter J, de Vries HE, Bieberich E, Martinez-Martinez P. Sphingolipids in Alzheimer's disease, how can we target them? Adv Drug Deliv Rev 2020; 159:214-231. [PMID: 31911096 DOI: 10.1016/j.addr.2019.12.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/09/2019] [Accepted: 12/31/2019] [Indexed: 01/06/2023]
Abstract
Altered levels of sphingolipids and their metabolites in the brain, and the related downstream effects on neuronal homeostasis and the immune system, provide a framework for understanding mechanisms in neurodegenerative disorders and for developing new intervention strategies. In this review we will discuss: the metabolites of sphingolipids that function as second messengers; and functional aberrations of the pathway resulting in Alzheimer's disease (AD) pathophysiology. Focusing on the central product of the sphingolipid pathway ceramide, we describ approaches to pharmacologically decrease ceramide levels in the brain and we argue on how the sphingolipid pathway may represent a new framework for developing novel intervention strategies in AD. We also highlight the possible use of clinical and non-clinical drugs to modulate the sphingolipid pathway and sphingolipid-related biological cascades.
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28
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Schneider G. S1P Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1223:129-153. [PMID: 32030688 DOI: 10.1007/978-3-030-35582-1_7] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Sphingosine-1-phosphate (S1P), together with other phosphosphingolipids, has been found to regulate complex cellular function in the tumor microenvironment (TME) where it acts as a signaling molecule that participates in cell-cell communication. S1P, through intracellular and extracellular signaling, was found to promote tumor growth, angiogenesis, chemoresistance, and metastasis; it also regulates anticancer immune response, modulates inflammation, and promotes angiogenesis. Interestingly, cancer cells are capable of releasing S1P and thus modifying the behavior of the TME components in a way that contributes to tumor growth and progression. Therefore, S1P is considered an important therapeutic target, and several anticancer therapies targeting S1P signaling are being developed and tested in clinics.
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Affiliation(s)
- Gabriela Schneider
- James Graham Brown Cancer Center, Division of Medical Oncology & Hematology, Department of Medicine, University of Louisville, Louisville, KY, USA.
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29
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Vorbach S, Gründer A, Zhou F, Koellerer C, Jutzi JS, Simoni M, Riccetti L, Valk PJ, Sanders MA, Müller-Tidow C, Nofer JR, Pahl HL, Potì F. Enhanced expression of the sphingosine-1-phosphate-receptor-3 causes acute myelogenous leukemia in mice. Leukemia 2019; 34:721-734. [PMID: 31636343 DOI: 10.1038/s41375-019-0577-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 05/20/2019] [Accepted: 06/07/2019] [Indexed: 12/19/2022]
Abstract
Acute myeloid leukemia (AML) carries a 10-100 fold lower mutational burden than other neoplastic entities. Mechanistic explanations for why a low number of mutations suffice to induce leukemogenesis are therefore required. Here we demonstrate that transgenic overexpression of the wild type sphingosine-1-phosphate receptor 3 (S1P3) in murine hematopoietic stem cells is sufficient to induce a transplantable myeloid leukemia. In contrast, S1P3 expression in more mature compartments does not cause malignant transformation. Treatment with the sphingosine phosphate receptor modulator Fingolimod, which prevents receptor signaling, normalized peripheral blood cell counts and reduced spleen sizes in S1P3 expressing mice. Gene expression analyses in AML patients revealed elevated S1P3 expression specifically in two molecular subclasses. Our data suggest a previously unrecognized contribution of wild type S1P3 signaling to leukemogenesis that warrants the exploration of S1P3 antagonists in preclinical AML models.
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Affiliation(s)
- Samuel Vorbach
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Albert Gründer
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Fengbiao Zhou
- Department of Medicine, Hematology, Oncology and Rheumatology, University Hospital Heidelberg, 69120, Heidelberg, Germany
| | - Christoph Koellerer
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Jonas S Jutzi
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany
| | - Manuela Simoni
- Dept. of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, Modena, Italy
| | - Laura Riccetti
- Dept. of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, Modena, Italy
| | - Peter J Valk
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Mathijs A Sanders
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Carsten Müller-Tidow
- Department of Medicine, Hematology, Oncology and Rheumatology, University Hospital Heidelberg, 69120, Heidelberg, Germany
| | - Jerzy-Roch Nofer
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Heike L Pahl
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hugstetter Str. 55, 79106, Freiburg, Germany.
| | - Francesco Potì
- Dept. of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, Modena, Italy.,Department of Medicine and Surgery-Unit of Neurosciences, University of Parma, Via Volturno 39/F, 43125, Parma, Italy
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30
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Qi H, Cole J, Grambergs RC, Gillenwater JR, Mondal K, Khanam S, Dutta S, Stiles M, Proia RL, Allegood J, Mandal N. Sphingosine Kinase 2 Phosphorylation of FTY720 is Unnecessary for Prevention of Light-Induced Retinal Damage. Sci Rep 2019; 9:7771. [PMID: 31123291 PMCID: PMC6533254 DOI: 10.1038/s41598-019-44047-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 05/02/2019] [Indexed: 12/11/2022] Open
Abstract
Mammalian Sphingosine kinase 2 is the primary enzyme responsible for phosphorylating FTY720 to its active form, FTY720-P. Systemic FTY720 treatment confers significant protection to murine retinas from light- and disease-mediated photoreceptor cell death. It is not clear whether FTY720-P, FTY720, or both are responsible for this photoreceptor protection. We investigated Sphingosine kinase 2 knockout (Sphk2 KO) mouse retinas, tested their sensitivity to light, and measured what degree of protection from light-induced damage they receive from systemic FTY720 treatment. Sphk2 KO retinas were found to be similar to their wild-type counterparts in sensitivity to light damage. Additionally, FTY720 treatment protected Sphk2 KO retinas from light-induced damage despite significant retardation of FTY720 phosphorylation in Sphk2 KO mice. We conclude that FTY720 serves an active role in preventing photoreceptor cell death. Furthermore, we conclude that the phosphorylation of FTY720 is not necessary to provide this protective effect.
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Affiliation(s)
- Hui Qi
- Department of Ophthalmology, University of Oklahoma Health Sciences Center (OUHSC), Oklahoma City, OK, 73104, USA
| | - Jerome Cole
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Richard C Grambergs
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - John R Gillenwater
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Koushik Mondal
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Sufiya Khanam
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Soma Dutta
- Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Megan Stiles
- Department of Ophthalmology, University of Oklahoma Health Sciences Center (OUHSC), Oklahoma City, OK, 73104, USA
| | - Richard L Proia
- Genetics of Development and Disease Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jeremy Allegood
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, VA, 2329, USA
| | - Nawajes Mandal
- Department of Ophthalmology, University of Oklahoma Health Sciences Center (OUHSC), Oklahoma City, OK, 73104, USA. .,Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA. .,Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
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31
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Wang E, He X, Zeng M. The Role of S1P and the Related Signaling Pathway in the Development of Tissue Fibrosis. Front Pharmacol 2019; 9:1504. [PMID: 30687087 PMCID: PMC6338044 DOI: 10.3389/fphar.2018.01504] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/10/2018] [Indexed: 12/12/2022] Open
Abstract
Tissue fibrosis, including pulmonary fibrosis, hepatic fibrosis, and cardiac fibrosis, is an important stage in the development of many diseases. It can lead to structural damage and dysfunction and even severe carcinogenesis or death. There is currently no effective method for the treatment of fibrosis. At present, the molecular mechanism of tissue fibrosis has not yet been fully elucidated, but many studies have demonstrated that it is involved in conveying the complex messages between fibroblasts and various cytokines. Sphingosine 1-phosphate (S1P) is a naturally bioactive sphingolipid. S1P and the related signaling pathways are important intracellular metabolic pathways involved in many life activities, including cell proliferation, differentiation, apoptosis, and cellular signal transduction. Increasing evidence suggests that S1P and its signaling pathways play an important role in the development of tissue fibrosis; however, the mechanisms of these effects have not yet been fully elucidated, and even the role of S1P and its signaling pathways are still controversial. This article focuses on the role of S1P and the related signaling pathways in the development of fibrosis of lung, liver, heart, and other tissues, with emphasis on the application of inhibitors of some of molecules in the pathway in clinical treatment of fibrosis diseases.
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Affiliation(s)
- Erjin Wang
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha, China
| | - Xingxuan He
- Department of Human Genetics and Genomic Sciences, Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Ming Zeng
- Department of Health Toxicology, Xiangya School of Public Health, Central South University, Changsha, China
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Abstract
The pulmonary endothelial cell forms a critical semi-permeable barrier between the vascular and interstitial space. As part of the blood-gas barrier in the lung, the endothelium plays a key role in normal physiologic function and pathologic disease. Changes in endothelial cell shape, defined by its plasma membrane, determine barrier integrity. A number of key cytoskeletal regulatory and effector proteins including non-muscle myosin light chain kinase, cortactin, and Arp 2/3 mediate actin rearrangements to form cortical and membrane associated structures in response to barrier enhancing stimuli. These actin formations support and interact with junctional complexes and exert forces to protrude the lipid membrane to and close gaps between individual cells. The current knowledge of these cytoskeletal processes and regulatory proteins are the subject of this review. In addition, we explore novel advancements in cellular imaging that are poised to shed light on the complex nature of pulmonary endothelial permeability.
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Wang Z, Qu H, Gong W, Liu A. Up-regulation and tumor-promoting role of SPHK1 were attenuated by miR-330-3p in gastric cancer. IUBMB Life 2018; 70:1164-1176. [PMID: 30281914 DOI: 10.1002/iub.1934] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 07/03/2018] [Accepted: 07/23/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Zhihua Wang
- Department of Gastroenterology, Yuhuangding Hospital of Yantai, Yantai, Shandong, China
| | - Huajun Qu
- Department of Oncology, Yuhuangding Hospital of Yantai, Yantai, Shandong, China
| | - Wenjing Gong
- Department of Oncology, Yuhuangding Hospital of Yantai, Yantai, Shandong, China
| | - Aina Liu
- Department of Oncology, Yuhuangding Hospital of Yantai, Yantai, Shandong, China
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Pulkoski-Gross MJ, Obeid LM. Molecular mechanisms of regulation of sphingosine kinase 1. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:1413-1422. [PMID: 30591148 DOI: 10.1016/j.bbalip.2018.08.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 08/27/2018] [Accepted: 08/28/2018] [Indexed: 01/08/2023]
Abstract
Within the last 3 decades, there has been intense study of bioactive sphingolipids and the enzymes which metabolize those lipids. One enzyme is the critical lipid kinase sphingosine kinase 1 (SK1), which produces the potent and pleiotropic signaling lipid, sphingosine 1-phosphate (S1P). SK1 and S1P have been implicated in a host of different diseases including cancer, chronic inflammation, and metabolic diseases. However, while there is ample knowledge about the importance of these molecules in the development and progression of disease there is a dearth of knowledge of the molecular mechanisms which regulate SK1 function. In this review, we will cover some of the more recent and exciting findings about the different ways SK1 function can be regulated, from transcriptional regulation to protein stability. Finally, we will delve into recent structural insights into SK1 and how they might relate to function at cell membranes.
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Affiliation(s)
- Michael J Pulkoski-Gross
- Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY 11790, USA; Department of Medicine, The Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY 11790, USA.
| | - Lina M Obeid
- Department of Medicine, The Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY 11790, USA; Northport Veterans Affairs Medical Center, Northport, NY 11768, USA.
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Abdel Hadi L, Anelli V, Guarnaccia L, Navone S, Beretta M, Moccia F, Tringali C, Urechie V, Campanella R, Marfia G, Riboni L. A bidirectional crosstalk between glioblastoma and brain endothelial cells potentiates the angiogenic and proliferative signaling of sphingosine-1-phosphate in the glioblastoma microenvironment. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:1179-1192. [PMID: 30056170 DOI: 10.1016/j.bbalip.2018.07.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 06/21/2018] [Accepted: 07/21/2018] [Indexed: 12/24/2022]
Abstract
Glioblastoma is one of the most malignant, angiogenic, and incurable tumors in humans. The aberrant communication between glioblastoma cells and tumor microenvironment represents one of the major factors regulating glioblastoma malignancy and angiogenic properties. Emerging evidence implicates sphingosine-1-phosphate signaling in the pathobiology of glioblastoma and angiogenesis, but its role in glioblastoma-endothelial crosstalk remains largely unknown. In this study, we sought to determine whether the crosstalk between glioblastoma cells and brain endothelial cells regulates sphingosine-1-phosphate signaling in the tumor microenvironment. Using human glioblastoma and brain endothelial cell lines, as well as primary brain endothelial cells derived from human glioblastoma, we report that glioblastoma-co-culture promotes the expression, activity, and plasma membrane enrichment of sphingosine kinase 2 in brain endothelial cells, leading to increased cellular level of sphingosine-1-phosphate, and significant potentiation of its secretion. In turn, extracellular sphingosine-1-phosphate stimulates glioblastoma cell proliferation, and brain endothelial cells migration and angiogenesis. We also show that, after co-culture, glioblastoma cells exhibit enhanced expression of S1P1 and S1P3, the sphingosine-1-phosphate receptors that are of paramount importance for cell growth and invasivity. Collectively, our results envision glioblastoma-endothelial crosstalk as a multi-compartmental strategy to enforce pro-tumoral sphingosine-1-phosphate signaling in the glioblastoma microenvironment.
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Affiliation(s)
- Loubna Abdel Hadi
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Italy
| | - Viviana Anelli
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Italy
| | - Laura Guarnaccia
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico Milan, Laboratory of Experimental Neurosurgery and Cell Therapy, University of Milan, Italy
| | - Stefania Navone
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico Milan, Laboratory of Experimental Neurosurgery and Cell Therapy, University of Milan, Italy
| | - Matteo Beretta
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico Milan, Laboratory of Experimental Neurosurgery and Cell Therapy, University of Milan, Italy
| | - Francesco Moccia
- Laboratory of General Physiology, Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, Pavia, Italy
| | - Cristina Tringali
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Italy
| | - Vasile Urechie
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Italy
| | - Rolando Campanella
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico Milan, Laboratory of Experimental Neurosurgery and Cell Therapy, University of Milan, Italy
| | - Giovanni Marfia
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico Milan, Laboratory of Experimental Neurosurgery and Cell Therapy, University of Milan, Italy
| | - Laura Riboni
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Italy.
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Jadczyk T, Baranski K, Syzdol M, Nabialek E, Wanha W, Kurzelowski R, Ratajczak MZ, Kucia M, Dolegowska B, Niewczas M, Zejda J, Wojakowski W. Bioactive Sphingolipids, Complement Cascade, and Free Hemoglobin Levels in Stable Coronary Artery Disease and Acute Myocardial Infarction. Mediators Inflamm 2018; 2018:2691934. [PMID: 30116144 PMCID: PMC6079520 DOI: 10.1155/2018/2691934] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 01/29/2018] [Accepted: 03/13/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Acute myocardial infarction (AMI) and coronary artery bypass graft (CABG) surgery are associated with a pathogen-free inflammatory response (sterile inflammation). Complement cascade (CC) and bioactive sphingolipids (BS) are postulated to be involved in this process. AIM The aim of this study was to evaluate plasma levels of CC cleavage fragments (C3a, C5a, and C5b9), sphingosine (SP), sphingosine-1-phosphate (S1P), and free hemoglobin (fHb) in AMI patients treated with primary percutaneous coronary intervention (pPCI) and stable coronary artery disease (SCAD) undergoing CABG. PATIENTS AND METHODS The study enrolled 37 subjects (27 male) including 22 AMI patients, 7 CABG patients, and 8 healthy individuals as the control group (CTRL). In the AMI group, blood samples were collected at 5 time points (admission to hospital, 6, 12, 24, and 48 hours post pPCI) and 4 time points in the CABG group (6, 12, 24, and 48 hours post operation). SP and S1P concentrations were measured by high-performance liquid chromatography (HPLC). Analysis of C3a, C5a, and C5b9 levels was carried out using high-sensitivity ELISA and free hemoglobin by spectrophotometry. RESULTS The plasma levels of CC cleavage fragments (C3a and C5b9) were significantly higher, while those of SP and S1P were lower in patients undergoing CABG surgery in comparison to the AMI group. In both groups, levels of CC factors showed no significant changes within 48 hours of follow-up. Conversely, SP and S1P levels gradually decreased throughout 48 hours in the AMI group but remained stable after CABG. Moreover, the fHb concentration was significantly higher after 24 and 48 hours post pPCI compared to the corresponding postoperative time points. Additionally, the fHb concentrations increased between 12 and 48 hours after PCI in patients with AMI. CONCLUSIONS Inflammatory response after AMI and CABG differed regarding the release of sphingolipids, free hemoglobin, and complement cascade cleavage fragments.
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Affiliation(s)
- T. Jadczyk
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
- International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic
| | - K. Baranski
- Department of Epidemiology, Medical University of Silesia, Katowice, Poland
| | - M. Syzdol
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
| | - E. Nabialek
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
| | - W. Wanha
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
| | - R. Kurzelowski
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
| | - M. Z. Ratajczak
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville School of Medicine, Louisville, USA
| | - M. Kucia
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville School of Medicine, Louisville, USA
| | - B. Dolegowska
- Department of Laboratory Medicine, Pomeranian Medical University, Szczecin, Poland
| | - M. Niewczas
- Department of Sport, Faculty of Physical Education, University of Rzeszow, Rzeszow, Poland
| | - J. Zejda
- Department of Epidemiology, Medical University of Silesia, Katowice, Poland
| | - W. Wojakowski
- Division of Cardiology and Structural Heart Diseases, Medical University of Silesia, Ziołowa 45-47, Katowice, Poland
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Sukocheva OA. Expansion of Sphingosine Kinase and Sphingosine-1-Phosphate Receptor Function in Normal and Cancer Cells: From Membrane Restructuring to Mediation of Estrogen Signaling and Stem Cell Programming. Int J Mol Sci 2018; 19:ijms19020420. [PMID: 29385066 PMCID: PMC5855642 DOI: 10.3390/ijms19020420] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/21/2018] [Accepted: 01/24/2018] [Indexed: 02/05/2023] Open
Abstract
Sphingolipids, sphingolipid metabolizing enzymes, and their receptors network are being recognized as part of the signaling mechanisms, which govern breast cancer cell growth, migration, and survival during chemotherapy treatment. Approximately 70% of breast cancers are estrogen receptor (ER) positive and, thus, rely on estrogen signaling. Estrogen activates an intracellular network composed of many cytoplasmic and nuclear mediators. Some estrogen effects can be mediated by sphingolipids. Estrogen activates sphingosine kinase 1 (SphK1) and amplifies the intracellular concentration of sphingosine-1-phosphate (S1P) in breast cancer cells during stimulation of proliferation and survival. Specifically, Estrogen activates S1P receptors (S1PR) and induces growth factor receptor transactivation. SphK, S1P, and S1PR expression are causally associated with endocrine resistance and progression to advanced tumor stages in ER-positive breast cancers in vivo. Recently, the network of SphK/S1PR was shown to promote the development of ER-negative cancers and breast cancer stem cells, as well as stimulating angiogenesis. Novel findings confirm and broaden our knowledge about the cross-talk between sphingolipids and estrogen network in normal and malignant cells. Current S1PRs therapeutic inhibition was indicated as a promising chemotherapy approach in non-responsive and advanced malignancies. Considering that sphingolipid signaling has a prominent role in terminally differentiated cells, the impact should be considered when designing specific SphK/S1PR inhibitors. This study analyzes the dynamic of the transformation of sphingolipid axis during a transition from normal to pathological condition on the level of the whole organism. The sphingolipid-based mediation and facilitation of global effects of estrogen were critically accented as a bridging mechanism that should be explored in cancer prevention.
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Affiliation(s)
- Olga A Sukocheva
- College of Nursing and Health Sciences, Flinders University of South Australia, Bedford Park, SA 5042, Australia.
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38
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"Dicing and Splicing" Sphingosine Kinase and Relevance to Cancer. Int J Mol Sci 2017; 18:ijms18091891. [PMID: 28869494 PMCID: PMC5618540 DOI: 10.3390/ijms18091891] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 08/29/2017] [Accepted: 08/29/2017] [Indexed: 02/06/2023] Open
Abstract
Sphingosine kinase (SphK) is a lipid enzyme that maintains cellular lipid homeostasis. Two SphK isozymes, SphK1 and SphK2, are expressed from different chromosomes and several variant isoforms are expressed from each of the isozymes, allowing for the multi-faceted biological diversity of SphK activity. Historically, SphK1 is mainly associated with oncogenicity, however in reality, both SphK1 and SphK2 isozymes possess oncogenic properties and are recognized therapeutic targets. The absence of mutations of SphK in various cancer types has led to the theory that cancer cells develop a dependency on SphK signaling (hyper-SphK signaling) or “non-oncogenic addiction”. Here we discuss additional theories of SphK cellular mislocation and aberrant “dicing and splicing” as contributors to cancer cell biology and as key determinants of the success or failure of SphK/S1P (sphingosine 1 phosphate) based therapeutics.
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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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Defective Sphingosine-1-phosphate metabolism is a druggable target in Huntington's disease. Sci Rep 2017; 7:5280. [PMID: 28706199 PMCID: PMC5509685 DOI: 10.1038/s41598-017-05709-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 06/01/2017] [Indexed: 12/22/2022] Open
Abstract
Huntington’s disease is characterized by a complex and heterogeneous pathogenic profile. Studies have shown that disturbance in lipid homeostasis may represent a critical determinant in the progression of several neurodegenerative disorders. The recognition of perturbed lipid metabolism is only recently becoming evident in HD. In order to provide more insight into the nature of such a perturbation and into the effect its modulation may have in HD pathology, we investigated the metabolism of Sphingosine-1-phosphate (S1P), one of the most important bioactive lipids, in both animal models and patient samples. Here, we demonstrated that S1P metabolism is significantly disrupted in HD even at early stage of the disease and importantly, we revealed that such a dysfunction represents a common denominator among multiple disease models ranging from cells to humans through mouse models. Interestingly, the in vitro anti-apoptotic and the pro-survival actions seen after modulation of S1P-metabolizing enzymes allows this axis to emerge as a new druggable target and unfolds its promising therapeutic potential for the development of more effective and targeted interventions against this incurable condition.
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Sphingosine kinase 2 activates autophagy and protects neurons against ischemic injury through interaction with Bcl-2 via its putative BH3 domain. Cell Death Dis 2017; 8:e2912. [PMID: 28682313 PMCID: PMC5550846 DOI: 10.1038/cddis.2017.289] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 05/26/2017] [Accepted: 05/29/2017] [Indexed: 01/05/2023]
Abstract
Our previous findings suggest that sphingosine kinase 2 (SPK2) mediates ischemic tolerance and autophagy in cerebral preconditioning. The aim of this study was to determine by which mechanism SPK2 activates autophagy in neural cells. In both primary murine cortical neurons and HT22 hippocampal neuronal cells, overexpression of SPK2 increased LC3II and enhanced the autophagy flux. SPK2 overexpression protected cortical neurons against oxygen glucose deprivation (OGD) injury, as evidenced by improvement of neuronal morphology, increased cell viability and reduced lactate dehydrogenase release. The inhibition of autophagy effectively suppressed the neuroprotective effect of SPK2. SPK2 overexpression reduced the co-immunoprecipitation of Beclin-1 and Bcl-2, while Beclin-1 knockdown inhibited SPK2-induced autophagy. Both co-immunoprecipitation and GST pull-down analysis suggest that SPK2 directly interacts with Bcl-2. SPK2 might interact to Bcl-2 in the cytoplasm. Notably, an SPK2 mutant with L219A substitution in its putative BH3 domain was not able to activate autophagy. A Tat peptide fused to an 18-amino acid peptide encompassing the native, but not the L219A mutated BH3 domain of SPK2 activated autophagy in neural cells. The Tat-SPK2 peptide also protected neurons against OGD injury through autophagy activation. These results suggest that SPK2 interacts with Bcl-2 via its BH3 domain, thereby dissociating it from Beclin-1 and activating autophagy. The observation that Tat-SPK2 peptide designed from the BH3 domain of SPK2 activates autophagy and protects neural cells against OGD injury suggest that this structure may provide the basis for a novel class of therapeutic agents against ischemic stroke.
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Hatoum D, Haddadi N, Lin Y, Nassif NT, McGowan EM. Mammalian sphingosine kinase (SphK) isoenzymes and isoform expression: challenges for SphK as an oncotarget. Oncotarget 2017; 8:36898-36929. [PMID: 28415564 PMCID: PMC5482707 DOI: 10.18632/oncotarget.16370] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 03/02/2017] [Indexed: 12/16/2022] Open
Abstract
The various sphingosine kinase (SphK) isoenzymes (isozymes) and isoforms, key players in normal cellular physiology, are strongly implicated in cancer and other diseases. Mutations in SphKs, that may justify abnormal physiological function, have not been recorded. Nonetheless, there is a large and growing body of evidence demonstrating the contribution of gain or loss of function and the imbalance in the SphK/S1P rheostat to a plethora of pathological conditions including cancer, diabetes and inflammatory diseases. SphK is expressed as two isozymes SphK1 and SphK2, transcribed from genes located on different chromosomes and both isozymes catalyze the phosphorylation of sphingosine to S1P. Expression of each SphK isozyme produces alternately spliced isoforms. In recent years the importance of the contribution of SpK1 expression to treatment resistance in cancer has been highlighted and, additionally, differences in treatment outcome appear to also be dependent upon SphK isoform expression. This review focuses on an exciting emerging area of research involving SphKs functions, expression and subcellular localization, highlighting the complexity of targeting SphK in cancer and also comorbid diseases. This review also covers the SphK isoenzymes and isoforms from a historical perspective, from their first discovery in murine species and then in humans, their role(s) in normal cellular function and in disease processes, to advancement of SphK as an oncotarget.
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Affiliation(s)
- Diana Hatoum
- School of Life Sciences, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia
| | - Nahal Haddadi
- School of Life Sciences, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia
| | - Yiguang Lin
- School of Life Sciences, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia
| | - Najah T. Nassif
- School of Life Sciences, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia
| | - Eileen M. McGowan
- School of Life Sciences, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia
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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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Neiband MS, Mani-Varnosfaderani A, Benvidi A. Classification of sphingosine kinase inhibitors using counter propagation artificial neural networks: A systematic route for designing selective SphK inhibitors. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2017; 28:91-109. [PMID: 28121178 DOI: 10.1080/1062936x.2017.1280535] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 01/01/2017] [Indexed: 06/06/2023]
Abstract
Accurate and robust classification models for describing and predicting the activity of 330 chemicals that are sphingosine kinase 1 (SphK1) and/or sphingosine kinase 2 (SphK2) inhibitors were derived. The classification models developed in this work assist in finding selective subspaces in chemical space occupied by particular groups of SphK inhibitors. A combination of a genetic algorithm (GA) and a counter propagation artificial neural network (CPANN) was utilized to select the most efficient subsets of the molecular descriptors. The optimized models in this work reasonably separate active inhibitors of SphK1 from active SphK2 inhibitors. Generally, the CPANN models in this work were used to classify the compounds according to their therapeutic targets and activities. The simplicity of the chosen descriptors and their relative importance sheds some light on the structural features necessary to induce selective inhibitory activity to the studied molecules. The areas under the receiver operating characteristic (ROC) curves for the GA-CPANN models in this work were 0.934 and 0.922 for active SphK1 and SphK2 inhibitors, respectively. Generally, the results in this work suggest some important molecular features and pharmacophores that could help medicinal chemists develop selective and potent SphK inhibitors.
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Affiliation(s)
- M S Neiband
- a Department of Chemistry , Yazd University , Yazd , Iran
| | - A Mani-Varnosfaderani
- b Chemometrics and Chemoinformatics Laboratory , Tarbiat Modares University , Tehran , Iran
| | - A Benvidi
- a Department of Chemistry , Yazd University , Yazd , Iran
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Ng ML, Wadham C, Sukocheva OA. The role of sphingolipid signalling in diabetes‑associated pathologies (Review). Int J Mol Med 2017; 39:243-252. [PMID: 28075451 PMCID: PMC5358714 DOI: 10.3892/ijmm.2017.2855] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 11/14/2016] [Indexed: 02/05/2023] Open
Abstract
Sphingosine kinase (SphK) is an important signalling enzyme that catalyses the phosphorylation of sphingosine (Sph) to form sphingosine‑1‑phosphate (S1P). The multifunctional lipid, S1P binds to a family of five G protein-coupled receptors (GPCRs). As an intracellular second messenger, S1P activates key signalling cascades responsible for the maintenance of sphingolipid metabolism, and has been implicated in the progression of cancer, and the development of other inflammatory and metabolic diseases. SphK and S1P are critical molecules involved in the regulation of various cellular metabolic processes, such as cell proliferation, survival, apoptosis, adhesion and migration. There is strong evidence supporting the critical roles of SphK and S1P in the progression of diabetes mellitus, including insulin sensitivity and insulin secretion, pancreatic β‑cell apoptosis, and the development of diabetic inflammatory state. In this review, we summarise the current state of knowledge for SphK/S1P signalling effects, associated with the development of insulin resistance, pancreatic β‑cell death and the vascular complications of diabetes mellitus.
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Affiliation(s)
- Mei Li Ng
- Centenary Institute of Cancer Medicine and Cell Biology, Sydney, NSW 2050
- Sydney Medical School, Faculty of Medicine, University of Sydney, Sydney, NSW 2006, Australia
- Advanced Medical and Dental Institute, University Sains Malaysia, Kepala Batas, Penang 13200, Malaysia
- Correspondence to: Dr Mei Li Ng, Advanced Medical and Dental Institute, University Sains Malaysia, No. 1-8 (Lot 8), Persiaran Seksyen 4, 1, Bandar Putra Bertam, Kepala Batas, Penang 13200, Malaysia, E-mail:
| | - Carol Wadham
- Children's Cancer Institute Australia, Lowy Cancer Research Centre, University of New South Wales, Randwick, NSW 2031
| | - Olga A. Sukocheva
- School of Social Health Sciences, Flinders University, Bedford Park, SA 5042, Australia
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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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Vogt D, Stark H. Therapeutic Strategies and Pharmacological Tools Influencing S1P Signaling and Metabolism. Med Res Rev 2016; 37:3-51. [PMID: 27480072 DOI: 10.1002/med.21402] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 06/01/2016] [Accepted: 06/28/2016] [Indexed: 02/06/2023]
Abstract
During the last two decades the study of the sphingolipid anabolic, catabolic, and signaling pathways has attracted enormous interest. Especially the introduction of fingolimod into market as first p.o. therapeutic for the treatment of multiple sclerosis has boosted this effect. Although the complex regulation of sphingosine-1-phosphate (S1P) and other catabolic and anabolic sphingosine-related compounds is not fully understood, the influence on different (patho)physiological states from inflammation to cytotoxicity as well as the availability of versatile pharmacological tools that represent new approaches to study these states are described. Here, we have summarized various aspects concerning the many faces of sphingolipid function modulation by different pharmacological tools up to clinical candidates. Due to the immense heterogeneity of physiological or pharmacological actions and complex cross regulations, it is difficult to predict their role in upcoming therapeutic approaches. Currently, inflammatory, immunological, and/or antitumor aspects are discussed.
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Affiliation(s)
- Dominik Vogt
- Institute of Pharmaceutical Chemistry, Goethe University Frankfurt, Max-von-Laue-Straße 9, D-60438, Frankfurt, Germany
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, D-40225, Düsseldorf, Germany
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Sphingosine-1-Phosphate (S1P) and S1P Signaling Pathway: Therapeutic Targets in Autoimmunity and Inflammation. Drugs 2016; 76:1067-79. [DOI: 10.1007/s40265-016-0603-2] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Dobierzewska A, Palominos M, Sanchez M, Dyhr M, Helgert K, Venegas-Araneda P, Tong S, Illanes SE. Impairment of Angiogenic Sphingosine Kinase-1/Sphingosine-1-Phosphate Receptors Pathway in Preeclampsia. PLoS One 2016; 11:e0157221. [PMID: 27284992 PMCID: PMC4902228 DOI: 10.1371/journal.pone.0157221] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 05/26/2016] [Indexed: 12/17/2022] Open
Abstract
Preeclampsia (PE), is a serious pregnancy disorder characterized in the early gestation by shallow trophoblast invasion, impaired placental neo-angiogenesis, placental hypoxia and ischemia, which leads to maternal and fetal morbidity and mortality. Here we hypothesized that angiogenic sphingosine kinase-1 (SPHK1)/sphingosine-1-phosphate (S1P) receptors pathway is impaired in PE. We found that SPHK1 mRNA and protein expression are down-regulated in term placentae and term chorionic villous explants from patients with PE or severe PE (PES), compared with controls. Moreover, mRNA expression of angiogenic S1PR1 and S1PR3 receptors were decreased in placental samples of PE and PES patients, whereas anti-angiogenic S1PR2 was up-regulated in chorionic villous tissue of PES subjects, pointing to its potential atherogenic and inflammatory properties. Furthermore, in in vitro (JAR cells) and ex vivo (chorionic villous explants) models of placental hypoxia, SPHK1 mRNA and protein were strongly up-regulated under low oxygen tension (1% 02). In contrast, there was no change in SPHK1 expression under the conditions of placental physiological hypoxia (8% 02). In both models, nuclear protein levels of HIF1A were increased at 1% 02 during the time course, but there was no up-regulation at 8% 02, suggesting that SPHK1 and HIF1A might be the part of the same canonical pathway during hypoxia and that both contribute to placental neovascularization during early gestation. Taken together, this study suggest the SPHK1 pathway may play a role in the human early placentation process and may be involved in the pathogenesis of PE.
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Affiliation(s)
- Aneta Dobierzewska
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- * E-mail:
| | - Macarena Palominos
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Marianela Sanchez
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Michael Dyhr
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Katja Helgert
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Pia Venegas-Araneda
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Stephen Tong
- Translational Obstetrics Group, Department of Obstetrics and Gynecology, University of Melbourne, Mercy Hospital for Women, Heidelberg, Victoria, Australia
| | - Sebastian E. Illanes
- Department of Obstetrics & Gynecology and Laboratory of Reproductive Biology, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- Department of Maternal-Fetal Medicine, Clinica Davila, Santiago, Chile
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Morla L, Edwards A, Crambert G. New insights into sodium transport regulation in the distal nephron: Role of G-protein coupled receptors. World J Biol Chem 2016; 7:44-63. [PMID: 26981195 PMCID: PMC4768124 DOI: 10.4331/wjbc.v7.i1.44] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 10/02/2015] [Accepted: 11/25/2015] [Indexed: 02/05/2023] Open
Abstract
The renal handling of Na+ balance is a major determinant of the blood pressure (BP) level. The inability of the kidney to excrete the daily load of Na+ represents the primary cause of chronic hypertension. Among the different segments that constitute the nephron, those present in the distal part (i.e., the cortical thick ascending limb, the distal convoluted tubule, the connecting and collecting tubules) play a central role in the fine-tuning of renal Na+ excretion and are the target of many different regulatory processes that modulate Na+ retention more or less efficiently. G-protein coupled receptors (GPCRs) are crucially involved in this regulation and could represent efficient pharmacological targets to control BP levels. In this review, we describe both classical and novel GPCR-dependent regulatory systems that have been shown to modulate renal Na+ absorption in the distal nephron. In addition to the multiplicity of the GPCR that regulate Na+ excretion, this review also highlights the complexity of these different pathways, and the connections between them.
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