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Li H, Wei J, Li M, Li Y, Zhang T, Tian J, Liu X, Li K, Lin J. Biological characteristics of Muse cells derived from MenSCs and their application in acute liver injury and intracerebral hemorrhage diseases. Regen Ther 2024; 27:48-62. [PMID: 38496012 PMCID: PMC10940801 DOI: 10.1016/j.reth.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/16/2024] [Accepted: 03/03/2024] [Indexed: 03/19/2024] Open
Abstract
The increasing interest in multilineage differentiating stress-enduring (Muse) cells within the field of regenerative medicine is attributed to their exceptional homing capabilities, prolonged viability in adverse conditions, and enhanced three-germ-layer differentiate ability, surpassing their parent mesenchymal stem cells. Given their abundant sources, non-invasive collection procedure, and periodic availability, human menstrual blood-derived endometrium stem cells (MenSCs) have been extensively investigated as a potential resource for stem cell-based therapies. However, there is no established modality to isolate Muse cells from MenSCs and disparity in gene expression profiles between Muse cells and MenSCs remain unknown. In this study, Muse cells were isolated from MenSCs by long-time trypsin incubation method. Muse cells expressed pluripotency markers and could realize multilineage differentiation in vitro. Compared with MenSCs, Muse cells showed enhanced homing ability and superior therapeutic efficacy in animal models of acute liver injury (ALI) and intracerebral hemorrhage (ICH). Furthermore, the RNA-seq analysis offers insights into the mechanism underlying the disparity in trypsin resistance and migration ability between Muse and MenSCs cells. This research offers a significant foundation for further exploration of cell-based therapies using MenSCs-derived Muse cells in the context of various human diseases, highlighting their promising application in the field of regenerative medicine.
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Affiliation(s)
- Han Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Jinghui Wei
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Mingzhi Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Yaoqiang Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Tong Zhang
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Jialu Tian
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Xuejia Liu
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Kangjia Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Juntang Lin
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Medical Engineering, Xinxiang Medical University, Xinxiang 453003, China
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Xie YX, Yao H, Peng JF, Ni D, Liu WT, Li CQ, Yi GH. Insight into modulators of sphingosine-1-phosphate receptor and implications for cardiovascular therapeutics. J Drug Target 2024; 32:300-310. [PMID: 38269855 DOI: 10.1080/1061186x.2024.2309577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 10/21/2023] [Indexed: 01/26/2024]
Abstract
Cardiovascular disease is the leading cause of death worldwide, and it's of great importance to understand its underlying mechanisms and find new treatments. Sphingosine 1-phosphate (S1P) is an active lipid that exerts its effects through S1P receptors on the cell surface or intracellular signal, and regulates many cellular processes such as cell growth, cell proliferation, cell migration, cell survival, and so on. S1PR modulators are a class of modulators that can interact with S1PR subtypes to activate receptors or block their activity, exerting either agonist or functional antagonist effects. Many studies have shown that S1P plays a protective role in the cardiovascular system and regulates cardiac physiological functions mainly through interaction with cell surface S1P receptors (S1PRs). Therefore, S1PR modulators may play a therapeutic role in cardiovascular diseases. Here, we review five S1PRs and their functions and the progress of S1PR modulators. In addition, we focus on the effects of S1PR modulators on atherosclerosis, myocardial infarction, myocardial ischaemia/reperfusion injury, diabetic cardiovascular diseases, and myocarditis, which may provide valuable insights into potential therapeutic strategies for cardiovascular disease.
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Affiliation(s)
- Yu-Xin Xie
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Hui Yao
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Jin-Fu Peng
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Dan Ni
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Wan-Ting Liu
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Chao-Quan Li
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
| | - Guang-Hui Yi
- Hunan province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, University of South China, Hengyang, Hunan, China
- Key Laboratory for Arteriosclerology of Hunan Province, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical School, Institute of Cardiovascular Disease, University of South China, Hengyang, Hunan, China
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Singh SK, Weigel C, Brown RDR, Green CD, Tuck C, Salvemini D, Spiegel S. FTY720/Fingolimod mitigates paclitaxel-induced Sparcl1-driven neuropathic pain and breast cancer progression. FASEB J 2024; 38:e23872. [PMID: 39126272 DOI: 10.1096/fj.202401277r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/17/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024]
Abstract
Paclitaxel is among the most active chemotherapy drugs for the aggressive triple negative breast cancer (TNBC). Unfortunately, it often induces painful peripheral neuropathy (CIPN), a major debilitating side effect. Here we demonstrate that in naive and breast tumor-bearing immunocompetent mice, a clinically relevant dose of FTY720/Fingolimod that targets sphingosine-1-phosphate receptor 1 (S1PR1), alleviated paclitaxel-induced neuropathic pain. FTY720 also significantly attenuated paclitaxel-stimulated glial fibrillary acidic protein (GFAP), a marker for activated astrocytes, and expression of the astrocyte-secreted synaptogenic protein Sparcl1/Hevin, a key regulator of synapse formation. Notably, the formation of excitatory synapses containing VGluT2 in the spinal cord dorsal horn induced by paclitaxel was also inhibited by FTY720 treatment, supporting the involvement of astrocytes and Sparcl1 in CIPN. Furthermore, in this TNBC mouse model that mimics human breast cancer, FTY720 administration also enhanced the anti-tumor effects of paclitaxel, leading to reduced tumor progression and lung metastasis. Taken together, our findings suggest that targeting the S1P/S1PR1 axis with FTY720 is a multipronged approach that holds promise as a therapeutic strategy for alleviating both CIPN and enhancing the efficacy of chemotherapy in TNBC treatment.
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Affiliation(s)
- Sandeep K Singh
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Cynthia Weigel
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Ryan D R Brown
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Christopher D Green
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Connor Tuck
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
| | - Daniela Salvemini
- Department of Pharmacology and Physiology School of Medicine and Institute for Translational Neuroscience, Saint Louis University, St. Louis, Missouri, USA
| | - Sarah Spiegel
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA
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Tang B, Xie X, Lu J, Huang W, Yang J, Tian J, Lei L. Designing biomaterials for the treatment of autoimmune diseases. APPLIED MATERIALS TODAY 2024; 39:102278. [DOI: 10.1016/j.apmt.2024.102278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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Kanakura M, Kihara K, Kinoshita M, Sugimoto T, Murata H, Beppu S, Shiraishi N, Sugiyama Y, Koda T, Takahashi MP, Chinen I, Okuno T, Mochizuki H. Switching disease-modifying therapies from sphingosine-1-phosphate receptor modulators to natalizumab or dimethyl fumarate restores immune responses after SARS-CoV-2 mRNA vaccination in patients with multiple sclerosis. Clin Neurol Neurosurg 2024; 243:108378. [PMID: 38901377 DOI: 10.1016/j.clineuro.2024.108378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/22/2024]
Abstract
OBJECTIVES This study aimed to evaluate whether switching disease-modifying therapies (DMTs) from sphingosine-1 phosphate (S1P) receptor modulators to either natalizumab (NTZ) or dimethyl fumarate (DMF) could restore the effectiveness of SARS-CoV-2 mRNA vaccination in patients with multiple sclerosis (MS). METHODS This study included 9 controls and 33 patients with MS: 7 patients treated with DMF, 7 patients treated with NTZ, 9 patients treated with S1P receptor modulators, and 10 patients who had switched DMTs from S1P receptor modulators to DMF or NTZ by the second vaccine dose. The patients who had switched DMTs were classified into two groups, based on whether their lymphocyte counts were above or below 1000/μL at the time of vaccination. In addition, relapses within 6 months after switching DMTs were also evaluated in these patients. Six months after the second dose of the vaccination, anti-SARS-CoV-2 spike antibodies were evaluated in all participants, and spike specific CD4+ T cells were also assessed in patients who had switched DMTs from S1P receptor modulators. RESULTS Patients treated with S1P receptor modulators had lower levels of anti-SARS-CoV-2 spike antibodies than the controls and patients treated with DMF and NTZ. On the other hand, in patients who had switched DMTs from S1P receptor modulators, a recovery of lymphocyte counts above 1000/µL resulted in restored humoral and cellular immune responses to the vaccination. There were no neurological relapses in patients who had switched DMTs from S1P receptor modulators to NTZ. CONCLUSION SARS-CoV-2 mRNA vaccination is expected to be effective in patients whose lymphocyte counts have recovered due to switching DMTs from S1P receptor modulators. Switching DMTs from S1P receptor modulators to NTZ before vaccination may be beneficial in achieving efficacy for SARS-CoV-2 mRNA vaccination, with a reduced risk of relapse.
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Affiliation(s)
- Minami Kanakura
- Division of Health Sciences, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Keigo Kihara
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Makoto Kinoshita
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - Tomoyuki Sugimoto
- Graduate School of Data Science, Shiga University, Hikone, Shiga, Japan
| | - Hisashi Murata
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Shohei Beppu
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Naoyuki Shiraishi
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yasuko Sugiyama
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Toru Koda
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Masanori P Takahashi
- Division of Health Sciences, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | | | - Tatsusada Okuno
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
| | - Hideki Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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Huang K, Ding R, Lai C, Wang H, Fan X, Chu Y, Fang Y, Hua T, Yuan H. Vitexin attenuates neuropathic pain by regulating astrocyte autophagy flux and polarization via the S1P/ S1PR1-PI3K/ Akt axis. Eur J Pharmacol 2024; 981:176848. [PMID: 39094925 DOI: 10.1016/j.ejphar.2024.176848] [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: 12/11/2023] [Revised: 07/12/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024]
Abstract
Neuropathic pain (NP) is associated with astrocytes activation induced by nerve injury. Reactive astrocytes, strongly induced by central nervous system damage, can be classified into A1 and A2 types. Vitexin, a renowned flavonoid compound, is known for its anti-inflammatory and analgesic properties. However, its role in NP remains unexplored. This study aims to investigate the effects of vitexin on astrocyte polarization and its underlying mechanisms. A mouse model of NP was established, and primary astrocytes were stimulated with sphingosine-1-phosphate (S1P) to construct a cellular model. The results demonstrated significant activation of spinal astrocytes on days 14 and 21. Concurrently, reactive astrocytes predominantly differentiated into the A1 type. Western blot analysis revealed an increase in A1 astrocyte-associated protein (C3) and a decrease in A2 astrocyte-associated protein (S100A10). Serum S1P levels increased on days 14 and 21, alongside a significant upregulation of Sphingosine-1-phosphate receptor 1 (S1PR1) mRNA expression and elevated expression of chemokines. In vitro, stimulation with S1P inhibited the Phosphatidylinositol 3-kinase and protein kinase B (PI3K/Akt) signaling pathway and autophagy flux, promoting polarization of astrocytes towards the A1 phenotype while suppressing the polarization of A2 astrocytes. Our findings suggest that vitexin, acting on astrocytes but not microglia, attenuates S1P-induced downregulation of PI3K/Akt signaling, restores autophagy flux in astrocytes, regulates A1/A2 astrocyte ratio, and reduces chemokine and S1P secretion, thereby alleviating neuropathic pain caused by nerve injury.
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Affiliation(s)
- Kesheng Huang
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Ruifeng Ding
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Chengyuan Lai
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu Province, China
| | - Haowei Wang
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Xiaoyi Fan
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Yan Chu
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Yuanyuan Fang
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Tong Hua
- Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China.
| | - Hongbin Yuan
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu Province, China; Department of Anesthesiology, Changzheng Hospital, Naval Medical University, 415 Fengyang Road, Shanghai 200003, China.
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7
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Marshall CM, Federice JG, Bell CN, Cox PB, Njardarson JT. An Update on the Nitrogen Heterocycle Compositions and Properties of U.S. FDA-Approved Pharmaceuticals (2013-2023). J Med Chem 2024; 67:11622-11655. [PMID: 38995264 DOI: 10.1021/acs.jmedchem.4c01122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
This Perspective is a continuation of our analysis of U.S. FDA-approved small-molecule drugs (1938-2012) containing nitrogen heterocycles. In this study we report drug structure and property analyses of 321 unique new small-molecule drugs approved from January 2013 to December 2023 as well as information about frequency of important heteroatoms such as sulfur and fluorine and key small nitrogen substituents (CN and NO2). The most notable change is an incredible increase in drugs containing at least one nitrogen heterocycle─82%, compared to 59% from preceding decades─as well as a significant increase in the number of nitrogen heterocycles per drug. Pyridine has claimed the #1 high-frequency nitrogen heterocycle occurrence spot from piperidine (#2), with pyrimidine (#5), pyrazole (#6), and morpholine (#9) being the big top 10 climbers. Also notable is high number of fused nitrogen heterocycles, apparently driven largely by newly approved cancer drugs.
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Affiliation(s)
- Christopher M Marshall
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - John G Federice
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Chloe N Bell
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Philip B Cox
- Discovery Research, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Jon T Njardarson
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
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Chauveau F, Winkeler A, Chalon S, Boutin H, Becker G. PET imaging of neuroinflammation: any credible alternatives to TSPO yet? Mol Psychiatry 2024:10.1038/s41380-024-02656-9. [PMID: 38997465 DOI: 10.1038/s41380-024-02656-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024]
Abstract
Over the last decades, the role of neuroinflammation in neuropsychiatric conditions has attracted an exponentially growing interest. A key driver for this trend was the ability to image brain inflammation in vivo using PET radioligands targeting the Translocator Protein 18 kDa (TSPO), which is known to be expressed in activated microglia and astrocytes upon inflammatory events as well as constitutively in endothelial cells. TSPO is a mitochondrial protein that is expressed mostly by microglial cells upon activation but is also expressed by astrocytes in some conditions and constitutively by endothelial cells. Therefore, our current understanding of neuroinflammation dynamics is hampered by the lack of alternative targets available for PET imaging. We performed a systematic search and review on radiotracers developed for neuroinflammation PET imaging apart from TSPO. The following targets of interest were identified through literature screening (including previous narrative reviews): P2Y12R, P2X7R, CSF1R, COX (microglial targets), MAO-B, I2BS (astrocytic targets), CB2R & S1PRs (not specific of a single cell type). We determined the level of development and provided a scoping review for each target. Strikingly, astrocytic biomarker MAO-B has progressed in clinical investigations the furthest, while few radiotracers (notably targeting S1P1Rs, CSF1R) are being implemented in clinical investigations. Other targets such as CB2R and P2X7R have proven disappointing in clinical studies (e.g. poor signal, lack of changes in disease conditions, etc.). While astrocytic targets are promising, development of new biomarkers and tracers specific for microglial activation has proven challenging.
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Affiliation(s)
- Fabien Chauveau
- Université Claude Bernard Lyon 1, Centre de Recherche en Neurosciences de Lyon, Inserm U1028, CNRS UMR5292, BIORAN, Groupement Hospitalier Est - CERMEP, 59 boulevard Pinel, 69677, Bron, Cedex, France
| | - Alexandra Winkeler
- Université Paris-Saclay, Inserm, CNRS, CEA, BioMaps, Service Hospitalier Frédéric Joliot, 4 place du général Leclerc, 91401, Orsay, France
| | - Sylvie Chalon
- UMR 1253 iBrain, Université de Tours - INSERM, Bâtiment Planiol, UFR de Médecine, 10 Boulevard Tonnellé, 37032, Tours, Cedex 01, France
| | - Hervé Boutin
- UMR 1253 iBrain, Université de Tours - INSERM, Bâtiment Planiol, UFR de Médecine, 10 Boulevard Tonnellé, 37032, Tours, Cedex 01, France.
| | - Guillaume Becker
- Université Claude Bernard Lyon 1, Centre de Recherche en Neurosciences de Lyon, Inserm U1028, CNRS UMR5292, BIORAN, Groupement Hospitalier Est - CERMEP, 59 boulevard Pinel, 69677, Bron, Cedex, France
- Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail, 14 rue Pierre et Marie Curie, 94701, Maisons-Alfort, Cedex, France
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Dong D, Yu X, Tao X, Wang Q, Zhao L. S1P/S1PR1 signaling is involved in the development of nociceptive pain. Front Pharmacol 2024; 15:1407347. [PMID: 39045057 PMCID: PMC11263082 DOI: 10.3389/fphar.2024.1407347] [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: 03/26/2024] [Accepted: 06/20/2024] [Indexed: 07/25/2024] Open
Abstract
Background Pain is a complex perception involving unpleasant somatosensory and emotional experiences. However, the underlying mechanisms that mediate its different components remain unclear. Sphingosine-1-phosphate (S1P), a metabolite of sphingomyelin and a potent lipid mediator, initiates signaling via G protein-coupled receptors (S1PRs) on cell surfaces. It serves as a second messenger in cellular processes such as proliferation and apoptosis. Nevertheless, the neuropharmacology of sphingolipid signaling in pain conditions within the central nervous system remains largely unexplored and controversial. Methods Chronic nociceptive pain models were induced in vivo by intraplantar injection of 20 μL complete Freund's adjuvant (CFA) into the left hind paws. We assessed S1P and S1PR1 expression in the spinal cords of CFA model mice. Functional antagonists of S1PR1 or S1PR1-specific siRNA were administered daily following CFA model establishment. Paw withdrawal response frequency (PWF) and paw withdrawal latency (PWL) were measured to evaluate mechanical allodynia and thermal hyperalgesia, respectively. RT-PCR assessed interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α levels. Western blotting and immunofluorescence were used to analyze glial fibrillary acidic protein (GFAP), ionized calcium-binding adapter molecule (Iba1), STAT3, ERK, and p38 MAPK protein expression. Results In the chronic nociceptive pain model induced by CFA, S1P and S1PR1 expression levels were significantly elevated, leading to activation of spinal cord glial cells. S1PR1 activation also promoted MMP2-mediated cleavage of mature IL-1β. Additionally, S1PR1 activation upregulated phosphorylation of STAT3, ERK, and p38 MAPK in glial cells, profoundly impacting downstream signaling pathways and contributing to chronic nociceptive pain. Conclusion The S1P/S1PR1 axis plays a pivotal role in the cellular and molecular mechanisms underlying nociceptive pain. This signaling pathway modulates glial cell activation and the expression of pain-related genes (STAT3, ERK, p38 MAPK) and inflammatory factors in the spinal dorsal horn. These findings underscore the potential of targeting the S1P system for developing novel analgesic therapies.
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Affiliation(s)
- Daosong Dong
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
| | - Xue Yu
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Ministry of Education, Shenyang, China
| | - Xueshu Tao
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
| | - Qian Wang
- Medical Oncology, Department of Gastrointestinal Cancer, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - Lin Zhao
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
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10
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Hu S, Hu Y, Tan Z, Zhou C, Zhang C, Yin S, Chen X, Chen K, Wang L, Chen L. Repurposing the multiple sclerosis drug Siponimod for osteoporosis treatment. Eur J Pharmacol 2024; 974:176630. [PMID: 38692426 DOI: 10.1016/j.ejphar.2024.176630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 05/03/2024]
Abstract
Osteoporosis is the most common bone disorder, in which an imbalance between osteoclastic bone resorption and osteoblastic bone formation disrupts bone homeostasis. Osteoporosis management using anti-osteoclastic agents is a promising strategy; however, this remains an unmet need. Sphingosine-1-phosphate (S1P) and its receptors (S1PRs) are essential for maintaining bone homeostasis. Here, we identified that Siponimod, a Food and Drug Administration-approved S1PR antagonist for the treatment of multiple sclerosis, shows promising therapeutic effects against osteoporosis by inhibiting osteoclast formation and function. We found that Siponimod inhibited osteoclast formation in a dose-dependent manner without causing cytotoxicity. Podosome belt staining and bone resorption assays indicated that Siponimod treatment impaired osteoclast function. Western blot and qPCR assays demonstrated that Siponimod suppressed the expression of osteoclast-specific markers, including C-Fos, Nftac1, and Ctsk. Mechanistically, we validated that Siponimod downregulated receptor activator of nuclear factor kappa B ligand (RANKL)-induced Mitogen-activated protein kinases (MAPKs) and nuclear factor kappa B (NF-κB) signaling pathways during osteoclastogenesis. Moreover, in a preclinical mouse model, Siponimod prevented ovariectomy-induced bone loss by suppressing osteoclast activity in vivo. Collectively, these results suggest that Siponimod could serve as an alternative therapeutic agent for the treatment of osteoporosis.
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Affiliation(s)
- Sitao Hu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangyang Hu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zenglin Tan
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chengyu Zhou
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Cheng Zhang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Sheng Yin
- School of Molecular Sciences, The University of Western Australia, Perth, Australia; The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaojun Chen
- School of Molecular Sciences, The University of Western Australia, Perth, Australia
| | - Kai Chen
- School of Molecular Sciences, The University of Western Australia, Perth, Australia
| | - Lu Wang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
| | - Lei Chen
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
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11
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Suri K, Ramesh M, Bhandari M, Gupta V, Kumar V, Govindaraju T, Murugan NA. Role of Amyloidogenic and Non-Amyloidogenic Protein Spaces in Neurodegenerative Diseases and their Mitigation Using Theranostic Agents. Chembiochem 2024; 25:e202400224. [PMID: 38668376 DOI: 10.1002/cbic.202400224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/23/2024] [Indexed: 06/15/2024]
Abstract
Neurodegenerative diseases (NDDs) refer to a complex heterogeneous group of diseases which are associated with the accumulation of amyloid fibrils or plaques in the brain leading to progressive loss of neuronal functions. Alzheimer's disease is one of the major NDD responsible for 60-80 % of all dementia cases. Currently, there are no curative or disease-reversing/modifying molecules for many of the NDDs except a few such as donepezil, rivastigmine, galantamine, carbidopa and levodopa which treat the disease-associated symptoms. Similarly, there are very few FDA-approved tracers such as flortaucipir (Tauvid) for tau fibril imaging and florbetaben (Neuraceq), flutemetamol (Vizamyl), and florbetapir (Amyvid) for amyloid imaging available for diagnosis. Recent advances in the cryogenic electron microscopy reported distinctly different microstructures for tau fibrils associated with different tauopathies highlighting the possibility to develop tauopathy-specific imaging agents and therapeutics. In addition, it is important to identify the proteins that are associated with disease development and progression to know about their 3D structure to develop various diagnostics, therapeutics and theranostic agents. The current article discusses in detail the disease-associated amyloid and non-amyloid proteins along with their structural insights. We comprehensively discussed various novel proteins associated with NDDs and their implications in disease pathology. In addition, we document various emerging chemical compounds developed for diagnosis and therapy of different NDDs with special emphasis on theranostic agents for better management of NDDs.
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Affiliation(s)
- Kapali Suri
- Department of Computational Biology, Indraprastha Institute of Information Technology (IIIT-Delhi) Okhla, Phase III, New Delhi, 110020, India
| | - Madhu Ramesh
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O., Bengaluru, 560064, Karnataka, India
| | - Mansi Bhandari
- Department of computer science and engineering, Jamia Hamdard University, Hamdard Nagar, New Delhi, Delhi, 110062
| | - Vishakha Gupta
- Department of Computational Biology, Indraprastha Institute of Information Technology (IIIT-Delhi) Okhla, Phase III, New Delhi, 110020, India
| | - Virendra Kumar
- Department of Computational Biology, Indraprastha Institute of Information Technology (IIIT-Delhi) Okhla, Phase III, New Delhi, 110020, India
| | - Thimmaiah Govindaraju
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O., Bengaluru, 560064, Karnataka, India
| | - N Arul Murugan
- Department of Computational Biology, Indraprastha Institute of Information Technology (IIIT-Delhi) Okhla, Phase III, New Delhi, 110020, India
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12
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Denton J, Ozgur H, Sazegar P, Galgiani J, Riaz T. Musculoskeletal and CNS coccidiomycosis in an individual with multiple sclerosis on fingolimod - A case report. IDCases 2024; 37:e02021. [PMID: 39050863 PMCID: PMC11268329 DOI: 10.1016/j.idcr.2024.e02021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/27/2024] Open
Abstract
We report the case of a 56-year-old female with a past medical history of multiple sclerosis on disease-modifying therapy of fingolimod who presented with disseminated Coccidioides infection, initially of the ankles bilaterally before progressing to the central nervous system. CNS coccidiomycosis has thus far not been associated with any pharmacological therapy for multiple sclerosis. Clinicians should have a high degree of suspicion for Coccidioides infection in immunosuppressed patients living in endemic areas.
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Affiliation(s)
- Jacob Denton
- University of Arizona College of Medicine – Tucson, Tucson, AZ, USA
| | - Hasan Ozgur
- Diagnostic Radiology, University of Arizona College of Medicine – Tucson, Tucson, AZ, USA
| | - Pantea Sazegar
- University of Arizona College of Medicine – Tucson, Tucson, AZ, USA
| | - John Galgiani
- Valley Fever Center of Excellence, University of Arizona College of Medicine – Tucson, Tucson, AZ, USA
| | - Talha Riaz
- Division of Infectious Diseases, Department of Internal Medicine, Banner University Medical Center, Tucson, AZ, USA
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13
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Pozzilli V, Haggiag S, Di Filippo M, Capone F, Di Lazzaro V, Tortorella C, Gasperini C, Prosperini L. Incidence and determinants of seizures in multiple sclerosis: a meta-analysis of randomised clinical trials. J Neurol Neurosurg Psychiatry 2024; 95:612-619. [PMID: 38383156 DOI: 10.1136/jnnp-2023-332996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/29/2024] [Indexed: 02/23/2024]
Abstract
BACKGROUND Seizures are reported to be more prevalent in individuals with multiple sclerosis (MS) compared with the general population. Existing data predominantly originate from population-based studies, which introduce variability in methodologies and are vulnerable to selection and reporting biases. METHODS This meta-analysis aims to assess the incidence of seizures in patients participating in randomised clinical trials and to identify potential contributing factors. Data were extracted from 60 articles published from 1993 to 2022. The pooled effect size, representing the incidence rate of seizure events, was estimated using a random-effect model. Metaregression was employed to explore factors influencing the pooled effect size. RESULTS The meta-analysis included data from 53 535 patients and 120 seizure events in a median follow-up of 2 years. The pooled incidence rate of seizures was 68.0 per 100 000 patient-years, significantly higher than the general population rate of 34.6. Generalised tonic-clonic seizures were the most common type reported, although there was a high risk of misclassification for focal seizures with secondary generalisation. Disease progression, longer disease duration, higher disability levels and lower brain volume were associated with a higher incidence of seizures. Particularly, sphingosine-1-phosphate receptor (S1PR) modulators exhibited a 2.45-fold increased risk of seizures compared with placebo or comparators, with a risk difference of 20.5 events per 100 000 patient-years. CONCLUSIONS Patients with MS face a nearly twofold higher seizure risk compared with the general population. This risk appears to be associated not only with disease burden but also with S1PR modulators. Our findings underscore epilepsy as a significant comorbidity in MS and emphasise the necessity for further research into its triggers, preventive measures and treatment strategies.
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Affiliation(s)
- Valeria Pozzilli
- Unit of Neurology, Neurophysiology and Neurobiology, Department of Medicine and Surgery, Campus Bio-Medico University, Roma, Lazio, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Shalom Haggiag
- MS Centre, Department of Neurosciences, San Camillo Forlanini Hospital, Roma, Italy
| | - Massimiliano Di Filippo
- Section of Neurology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Fioravante Capone
- Unit of Neurology, Neurophysiology and Neurobiology, Department of Medicine and Surgery, Campus Bio-Medico University, Roma, Lazio, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Vincenzo Di Lazzaro
- Unit of Neurology, Neurophysiology and Neurobiology, Department of Medicine and Surgery, Campus Bio-Medico University, Roma, Lazio, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Carla Tortorella
- MS Centre, Department of Neurosciences, San Camillo Forlanini Hospital, Roma, Italy
| | - Claudio Gasperini
- MS Centre, Department of Neurosciences, San Camillo Forlanini Hospital, Roma, Italy
| | - Luca Prosperini
- MS Centre, Department of Neurosciences, San Camillo Forlanini Hospital, Roma, Italy
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14
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Sanna K, Bruno A, Balletta S, Caioli S, Nencini M, Fresegna D, Guadalupi L, Dolcetti E, Azzolini F, Buttari F, Fantozzi R, Borrelli A, Stampanoni Bassi M, Gilio L, Lauritano G, Vanni V, De Vito F, Tartacca A, Mariani F, Rovella V, Musella A, Centonze D, Mandolesi G. Re-emergence of T lymphocyte-mediated synaptopathy in progressive multiple sclerosis. Front Immunol 2024; 15:1416133. [PMID: 38911847 PMCID: PMC11190089 DOI: 10.3389/fimmu.2024.1416133] [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: 04/11/2024] [Accepted: 05/24/2024] [Indexed: 06/25/2024] Open
Abstract
Background Secondary progressive multiple sclerosis (SPMS) is defined by the irreversible accumulation of disability following a relapsing-remitting MS (RRMS) course. Despite treatments advances, a reliable tool able to capture the transition from RRMS to SPMS is lacking. A T cell chimeric MS model demonstrated that T cells derived from relapsing patients exacerbate excitatory transmission of central neurons, a synaptotoxic event absent during remitting stages. We hypothesized the re-emergence of T cell synaptotoxicity during SPMS and investigated the synaptoprotective effects of siponimod, a sphingosine 1-phosphate receptor (S1PR) modulator, known to reduce grey matter damage in SPMS patients. Methods Data from healthy controls (HC), SPMS patients, and siponimod-treated SPMS patients were collected. Chimeric experiments were performed incubating human T cells on murine cortico-striatal slices, and recording spontaneous glutamatergic activity from striatal neurons. Homologous chimeric experiments were executed incubating EAE mice T cells with siponimod and specific S1PR agonists or antagonists to identify the receptor involved in siponimod-mediated synaptic recovery. Results SPMS patient-derived T cells significantly increased the striatal excitatory synaptic transmission (n=40 synapses) compared to HC T cells (n=55 synapses), mimicking the glutamatergic alterations observed in active RRMS-T cells. Siponimod treatment rescued SPMS T cells synaptotoxicity (n=51 synapses). Homologous chimeric experiments highlighted S1P5R involvement in the siponimod's protective effects. Conclusion Transition from RRMS to SPMS involves the reappearance of T cell-mediated synaptotoxicity. Siponimod counteracts T cell-induced excitotoxicity, emphasizing the significance of inflammatory synaptopathy in progressive MS and its potential as a promising pharmacological target.
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Affiliation(s)
- Krizia Sanna
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Antonio Bruno
- Ph.D. Program in Neuroscience, Department of Systems Medicine, Tor Vergata University, Rome, Italy
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Sara Balletta
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Silvia Caioli
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Monica Nencini
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
| | - Diego Fresegna
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
| | - Livia Guadalupi
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
| | - Ettore Dolcetti
- Ph.D. Program in Neuroscience, Department of Systems Medicine, Tor Vergata University, Rome, Italy
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Federica Azzolini
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Fabio Buttari
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Roberta Fantozzi
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Angela Borrelli
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Mario Stampanoni Bassi
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Luana Gilio
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Gianluca Lauritano
- Ph.D. Program in Neuroscience, Department of Systems Medicine, Tor Vergata University, Rome, Italy
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Valentina Vanni
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
| | - Francesca De Vito
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Alice Tartacca
- Ph.D. Program in Neuroscience, Department of Systems Medicine, Tor Vergata University, Rome, Italy
| | - Fabrizio Mariani
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Valentina Rovella
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Alessandra Musella
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, Rome, Italy
| | - Diego Centonze
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Unit of Neurology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, IS, Italy
| | - Georgia Mandolesi
- Synaptic Immunopathology Lab, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) San Raffaele Roma, Rome, Italy
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, Rome, Italy
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15
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Gu J, Zheng MQ, Holden D, Fowles K, Qiu L, Felchner Z, Zhang L, Ropchan J, Gropler RJ, Carson RE, Tu Z, Huang Y, Hillmer AT. PET Imaging of Sphingosine-1-Phosphate Receptor 1 with [18F]TZ4877 in Nonhuman Primates. RESEARCH SQUARE 2024:rs.3.rs-4350862. [PMID: 38854065 PMCID: PMC11160920 DOI: 10.21203/rs.3.rs-4350862/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Purpose The sphingosine-1-phosphate receptor-1 (S1PR1) is involved in regulating responses to neuroimmune stimuli. There is a need for S1PR1-specific radioligands with clinically suitable brain pharmcokinetic properties to complement existing radiotracers. This work evaluated a promising S1PR1 radiotracer, [18F]TZ4877, in nonhuman primates. Procedures [18F]TZ4877 was produced via nucleophilic substitution of tosylate precursor with K[18F]/F- followed by deprotection. Brain PET imaging data were acquired with a Focus220 scanner in two Macaca mulatta (6, 13 years old) for 120-180 min following bolus injection of 118-163 MBq [18F]TZ4877, with arterial blood sampling and metabolite analysis to measure the parent input function and plasma free fraction (f P). Each animal was scanned at baseline, 15-18 min after 0.047-0.063 mg/kg of the S1PR1 inhibitor ponesimod, 33 min after 0.4-0.8 mg/kg of the S1PR1-specific compound TZ82112, and 167-195 min after 1 ng/kg of the immune stimulus endotoxin. Kinetic analysis with metabolite-corrected input function was performed to estimate the free fraction corrected total distribution volume (V T/f P). Whole-body dosimetry scans were acquired in 2 animals (1M, 1F) with a Biograph Vision PET/CT System, and absorbed radiation dose estimates were calculated with OLINDA. Results [18F]TZ4877 exhibited fast kinetics that were described by the reversible 2-tissue compartment model. Baseline [18F]TZ4877 f P was low (< 1%), and [18F]TZ4877 V T/f P values were 233-866 mL/cm3. TZ82112 dose-dependently reduced [18F]TZ4877 V T/f P, while ponesimod and endotoxin exhibited negligible effects on V T/f P, possibly due to scan timing relative to dosing. Dosimetry studies identified the critical organs of gallbladder (0.42 (M) and 0.31 (F) mSv/MBq) for anesthetized nonhuman primate. Conclusions [18F]TZ4877 exhibits reversible kinetic properties, but the low f P value limits quantification with this radiotracer. S1PR1 is a compelling PET imaging target, and these data support pursuing alternative F-18 labeled radiotracers for potential future human studies.
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Affiliation(s)
| | | | | | | | - Lin Qiu
- Washington University School of Medicine in Saint Louis: Washington University in St Louis School of Medicine
| | | | | | | | - Robert J Gropler
- Washington University School of Medicine in Saint Louis: Washington University in St Louis School of Medicine
| | | | - Zhude Tu
- Washington University School of Medicine in Saint Louis: Washington University in St Louis School of Medicine
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16
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Santiago-Balmaseda A, Aguirre-Orozco A, Valenzuela-Arzeta IE, Villegas-Rojas MM, Pérez-Segura I, Jiménez-Barrios N, Hurtado-Robles E, Rodríguez-Hernández LD, Rivera-German ER, Guerra-Crespo M, Martinez-Fong D, Ledesma-Alonso C, Diaz-Cintra S, Soto-Rojas LO. Neurodegenerative Diseases: Unraveling the Heterogeneity of Astrocytes. Cells 2024; 13:921. [PMID: 38891053 PMCID: PMC11172252 DOI: 10.3390/cells13110921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
The astrocyte population, around 50% of human brain cells, plays a crucial role in maintaining the overall health and functionality of the central nervous system (CNS). Astrocytes are vital in orchestrating neuronal development by releasing synaptogenic molecules and eliminating excessive synapses. They also modulate neuronal excitability and contribute to CNS homeostasis, promoting neuronal survival by clearance of neurotransmitters, transporting metabolites, and secreting trophic factors. Astrocytes are highly heterogeneous and respond to CNS injuries and diseases through a process known as reactive astrogliosis, which can contribute to both inflammation and its resolution. Recent evidence has revealed remarkable alterations in astrocyte transcriptomes in response to several diseases, identifying at least two distinct phenotypes called A1 or neurotoxic and A2 or neuroprotective astrocytes. However, due to the vast heterogeneity of these cells, it is limited to classify them into only two phenotypes. This review explores the various physiological and pathophysiological roles, potential markers, and pathways that might be activated in different astrocytic phenotypes. Furthermore, we discuss the astrocyte heterogeneity in the main neurodegenerative diseases and identify potential therapeutic strategies. Understanding the underlying mechanisms in the differentiation and imbalance of the astrocytic population will allow the identification of specific biomarkers and timely therapeutic approaches in various neurodegenerative diseases.
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Affiliation(s)
- Alberto Santiago-Balmaseda
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
| | - Annai Aguirre-Orozco
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (I.E.V.-A.); (N.J.-B.); (D.M.-F.)
| | - Irais E. Valenzuela-Arzeta
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (I.E.V.-A.); (N.J.-B.); (D.M.-F.)
| | - Marcos M. Villegas-Rojas
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de Mexico 11340, Mexico
| | - Isaac Pérez-Segura
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
| | - Natalie Jiménez-Barrios
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (I.E.V.-A.); (N.J.-B.); (D.M.-F.)
| | - Ernesto Hurtado-Robles
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
| | - Luis Daniel Rodríguez-Hernández
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
| | - Erick R. Rivera-German
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
| | - Magdalena Guerra-Crespo
- Laboratorio de Medicina Regenerativa, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de Mexico, Mexico City 04510, Mexico;
| | - Daniel Martinez-Fong
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico; (I.E.V.-A.); (N.J.-B.); (D.M.-F.)
| | - Carlos Ledesma-Alonso
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de Mexico, Querétaro 76230, Mexico;
| | - Sofía Diaz-Cintra
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de Mexico, Querétaro 76230, Mexico;
| | - Luis O. Soto-Rojas
- Laboratorio de Patogénesis Molecular, Laboratorio 4 Edificio A4, Carrera Médico Cirujano, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City 54090, Mexico; (A.S.-B.); (A.A.-O.); (M.M.V.-R.); (I.P.-S.); (E.H.-R.); (L.D.R.-H.); (E.R.R.-G.)
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Yang X, Yan Y, Liu S, Wang Z, Feng X. Potential adverse events associated with sphingosine-1-phosphate (S1P) receptor modulators in patients with multiple sclerosis: an analysis of the FDA adverse event reporting system (FAERS) database. Front Pharmacol 2024; 15:1376494. [PMID: 38846098 PMCID: PMC11153721 DOI: 10.3389/fphar.2024.1376494] [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: 01/25/2024] [Accepted: 05/06/2024] [Indexed: 06/09/2024] Open
Abstract
Objective Sphingosine-1-phosphate receptor (S1PR) modulators have recently attracted increasing attention for the treatment of multiple sclerosis (MS). Despite their preference in the clinic, multiple adverse events (AEs) continue to be reported every year. This study aimed to investigate the potential AEs as well as related important medical events (IMEs) signal associated with S1PR modulators, including fingolimod, siponimod and ozanimod in a real-world study using the FDA Adverse Event Reporting System (FAERS) database. Methods All data were collected from the FAERS database, spanning from the fourth quarter of 2010(2010Q4) to the second quarter of 2023 (2023Q2). Potential AE and IME signals of S1PR modulators were identified based on a disproportionality analysis using the reporting odds ratio (ROR), proportional reporting ratio (PRR), and the bayesian confidence propagation neural network of information components (IC). Results Overall, 276,436 reports of fingolimod, 20,972 reports of siponimod and 10,742 reports of ozanimod were analyzed from the FAERS database. Among reports, females were more prone to develop AEs (73.71% for females vs. 23.21% for males), and more than 50% of patients suffered from AEs were between 18 and 64 years. Subsequently, we investigated the top 20 AEs associated with the signal strength of S1PR modulators at the preferred term (PT) level, and identified 31 (8 vs. 11 vs. 12, respectively) unlabeled risk signals such as thrombosis, uterine disorder and reproductive system and breast disorders. Furthermore, we discovered that the S1PR modulator reported variations in the possible IMEs, and that the IMEs associated with ocular events were reported frequently. It's interesting to note that infection and malignancy are prominent signals with both fingolimod and siponimod in the top 20 PTs related to mortality reports. Conclusion The present investigation highlights the possible safety risks associated with S1PR modulators. The majority of AEs are generally consistent with previous studies and are mentioned in the prescribing instructions, however, several unexpected AE signals have also been observed. Ozanimod showed the lowest signal intensity and a better safety profile than the other S1PR modulators. Due to the short marketing time of drugs and the limitations of spontaneous reporting database, further research is required to identify potential AEs related to S1PR modulators.
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Affiliation(s)
| | | | | | - Zhiqing Wang
- Department of Pharmacy, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China
| | - Xia Feng
- Department of Pharmacy, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China
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Liu C, Liu K, Tao X, Li W, Zhao S, Dai Q, Yao H, Mu F, Chen S, Li J, Dong T, Duan J, Wei P, Gao F, Xi M. Pharmacodynamics and mechanism of Erigeron breviscapus granules in the treatment of ischemic stroke in mice by regulating sphingolipid metabolism based on metabolomics. J Pharm Biomed Anal 2024; 242:116058. [PMID: 38422673 DOI: 10.1016/j.jpba.2024.116058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/25/2024] [Accepted: 02/16/2024] [Indexed: 03/02/2024]
Abstract
AIM Erigeron breviscapus (Vant.) Hand.-Mazz. (EB) granules is the extract preparation of EB, with clear curative effect and unclear mechanism. This study intends to systematically explore the specific mechanism of EB granules in the treatment of IS from the metabolic perspective. METHODS The model of transient middle cerebral artery occlusion (tMCAO) in mice was established by the suture-occluded method. The therapeutic effect of EB granules on tMCAO mice was evaluated by behavioral evaluation, brain water content determination, 2,3,5-triphenyltetrazolium chloride (TTC) staining, hematoxylin-eosin (HE) staining, and levels of lactate dehydrogenase (LDH) and neuron specific enolase (NSE) in serum. In order to screen differential metabolites, non-targeted metabolomics technology was used to detect the metabolites in serum before and after administration. Univariate statistics, multivariate statistics and bioinformatics were used to analyze the changes of metabolites in serum of tMCAO mice. The possible related mechanism of EB granules in treating IS was screened by pathway enrichment analysis, and the preliminary verification was carried out at animal level by enzyme linked immunosorbent assay (ELISA) and western blot (WB). RESULTS EB granules could significantly improve behavior of tMCAO mice, reduce brain water content and cerebral infarction volume, improve morphology of brain tissue, reduce the levels of LDH and NSE in serum. A total of 232 differential metabolites were screened, which were mainly enriched in many biological processes such as sphingolipid metabolism. The differential metabolite S1P and its receptors S1PR1 and S1PR2 in sphingolipid metabolism were verified. The results showed that the level of S1P in brain tissue increased and the protein expression of S1PR1 decreased significantly after modeling, and reversed after administration, but there was no significant difference in the protein expression of S1PR2. CONCLUSION The therapeutic effects of EB granules may be related to affecting sphingolipid metabolism through regulating S1P/S1PR1.
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Affiliation(s)
- Chengzhao Liu
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China; TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China
| | - Kedi Liu
- TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China
| | - Xingru Tao
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Weihong Li
- TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China; College of Life Sciences, Northwest University, Xi'an, Shaanxi 710127, China
| | - Shi Zhao
- TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China
| | - Qi Dai
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China; TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China
| | - Hong Yao
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China; TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China
| | - Fei Mu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Sha Chen
- YouYi Clinical Laboratories of Shaanxi, Xi'an, Shaanxi 710065, China
| | - Jing Li
- YouYi Clinical Laboratories of Shaanxi, Xi'an, Shaanxi 710065, China
| | - Taiwei Dong
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China
| | - Jialin Duan
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Peifeng Wei
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China; National Drug Clinical Trial Institute, The Second Affiliated Hospital, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712000, China.
| | - Feng Gao
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, China.
| | - Miaomiao Xi
- TANK Medicinal Biology Institute of Xi'an, Xi'an, Shaanxi 710032, China; National Drug Clinical Trial Institute, The Second Affiliated Hospital, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712000, China.
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Artru F, McPhail MJ. Immunopathogenesis of acute on chronic liver failure. Am J Transplant 2024; 24:724-732. [PMID: 38346497 DOI: 10.1016/j.ajt.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 01/13/2024] [Accepted: 02/01/2024] [Indexed: 02/23/2024]
Abstract
Acute-on-chronic liver failure is a well-established description of a high-mortality syndrome of chronic liver disease (usually cirrhosis) with organ failure. While the exact definition is under refinement, the accepted understanding of this entity is in patients with chronic liver disease and various organs in failure and where systemic inflammation is a major component of the pathobiology. There are limited therapies for a disease with such a poor prognosis, and while improvements in the critical care management and for very few patients, liver transplantation, mean 50% can survive to hospital discharge, rapid application of new therapies is required. Here we explain the current understanding of the immunologic abnormalities seen in acute-on-chronic liver failure across the innate and adaptive immune systems, the role of the hepatic cell death and the gut-liver axis, and recommendations for future research and treatment paradigms.
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Affiliation(s)
- Florent Artru
- Institute of Liver Studies, King's College Hospital, London, United Kingdom; Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom; Liver department and NUMECAN institute, Rennes University Hospital and Rennes University, France
| | - Mark J McPhail
- Institute of Liver Studies, King's College Hospital, London, United Kingdom; Department of Inflammation Biology, School of Immunology and Microbial Sciences, King's College London, United Kingdom.
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20
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Wang L, Zhang X, Ma C, Wu N. 1-Phosphate receptor agonists: A promising therapeutic avenue for ischemia-reperfusion injury management. Int Immunopharmacol 2024; 131:111835. [PMID: 38508097 DOI: 10.1016/j.intimp.2024.111835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
Ischemia-reperfusion injury (IRI) - a complex pathological condition occurring when blood supply is abruptly restored to ischemic tissues, leading to further tissue damage - poses a significant clinical challenge. Sphingosine-1-phosphate receptors (S1PRs), a specialized set of G-protein-coupled receptors comprising five subtypes (S1PR1 to S1PR5), are prominently present in various cell membranes, including those of lymphocytes, cardiac myocytes, and endothelial cells. Increasing evidence highlights the potential of targeting S1PRs for IRI therapeutic intervention. Notably, preconditioning and postconditioning strategies involving S1PR agonists like FTY720 have demonstrated efficacy in mitigating IRI. As the synthesis of a diverse array of S1PR agonists continues, with FTY720 being a prime example, the body of experimental evidence advocating for their role in IRI treatment is expanding. Despite this progress, comprehensive reviews delineating the therapeutic landscape of S1PR agonists in IRI remain limited. This review aspires to meticulously elucidate the protective roles and mechanisms of S1PR agonists in preventing and managing IRI affecting various organs, including the heart, kidney, liver, lungs, intestines, and brain, to foster novel pharmacological approaches in clinical settings.
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Affiliation(s)
- Linyuan Wang
- Department of Cardiovascular Ultrasound, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China; The Central Laboratory of The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Xiaowen Zhang
- Medical Research Center, Shengjing Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Chunyan Ma
- Department of Cardiovascular Ultrasound, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China.
| | - Nan Wu
- The Central Laboratory of The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China.
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21
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Zhang M, Chen T, Lu X, Lan X, Chen Z, Lu S. G protein-coupled receptors (GPCRs): advances in structures, mechanisms, and drug discovery. Signal Transduct Target Ther 2024; 9:88. [PMID: 38594257 PMCID: PMC11004190 DOI: 10.1038/s41392-024-01803-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/19/2024] [Accepted: 03/13/2024] [Indexed: 04/11/2024] Open
Abstract
G protein-coupled receptors (GPCRs), the largest family of human membrane proteins and an important class of drug targets, play a role in maintaining numerous physiological processes. Agonist or antagonist, orthosteric effects or allosteric effects, and biased signaling or balanced signaling, characterize the complexity of GPCR dynamic features. In this study, we first review the structural advancements, activation mechanisms, and functional diversity of GPCRs. We then focus on GPCR drug discovery by revealing the detailed drug-target interactions and the underlying mechanisms of orthosteric drugs approved by the US Food and Drug Administration in the past five years. Particularly, an up-to-date analysis is performed on available GPCR structures complexed with synthetic small-molecule allosteric modulators to elucidate key receptor-ligand interactions and allosteric mechanisms. Finally, we highlight how the widespread GPCR-druggable allosteric sites can guide structure- or mechanism-based drug design and propose prospects of designing bitopic ligands for the future therapeutic potential of targeting this receptor family.
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Affiliation(s)
- Mingyang Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ting Chen
- Department of Cardiology, Changzheng Hospital, Affiliated to Naval Medical University, Shanghai, 200003, China
| | - Xun Lu
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xiaobing Lan
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Ziqiang Chen
- Department of Orthopedics, Changhai Hospital, Affiliated to Naval Medical University, Shanghai, 200433, China.
| | - Shaoyong Lu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Peptide & Protein Drug Research Center, School of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China.
- Medicinal Chemistry and Bioinformatics Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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22
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Menéndez-Pérez C, Rivas-Santisteban R, del Valle E, Tolivia J, Navarro A, Franco R, Martínez-Pinilla E. Heteromers Formed by GPR55 and Either Cannabinoid CB 1 or CB 2 Receptors Are Upregulated in the Prefrontal Cortex of Multiple Sclerosis Patients. Int J Mol Sci 2024; 25:4176. [PMID: 38673761 PMCID: PMC11050292 DOI: 10.3390/ijms25084176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Multiple sclerosis (MS) is an autoimmune, inflammatory, and neurodegenerative disease of the central nervous system for which there is no cure, making it necessary to search for new treatments. The endocannabinoid system (ECS) plays a very important neuromodulatory role in the CNS. In recent years, the formation of heteromers containing cannabinoid receptors and their up/downregulation in some neurodegenerative diseases have been demonstrated. Despite the beneficial effects shown by some phytocannabinoids in MS, the role of the ECS in its pathophysiology is unknown. The main objective of this work was to identify heteromers of cell surface proteins receptive to cannabinoids, namely GPR55, CB1 and CB2 receptors, in brain samples from control subjects and MS patients, as well as determining their cellular localization, using In Situ Proximity Ligation Assays and immunohistochemical techniques. For the first time, CB1R-GPR55 and CB2R-GPR55 heteromers are identified in the prefrontal cortex of the human brain, more in the grey than in the white matter. Remarkably, the number of CB1R-GPR55 and CB2R-GPR55 complexes was found to be increased in MS patient samples. The results obtained open a promising avenue of research on the use of these receptor complexes as potential therapeutic targets for the disease.
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Affiliation(s)
- Carlota Menéndez-Pérez
- Department of Morphology and Cell Biology, University of Oviedo, 33006 Oviedo, Spain; (C.M.-P.); (E.d.V.); (J.T.); (A.N.)
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
| | - Rafael Rivas-Santisteban
- Molecular Neurobiology Laboratory, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain; (R.R.-S.); (R.F.)
- CiberNed, Network Center for Neurodegenerative Diseases, National Spanish Health Institute Carlos III, 28031 Madrid, Spain
- Laboratory of Computational Medicine, Biostatistics Unit, Faculty of Medicine, Autonomous University of Barcelona, Campus Bellaterra, 08193 Bellaterra, Spain
| | - Eva del Valle
- Department of Morphology and Cell Biology, University of Oviedo, 33006 Oviedo, Spain; (C.M.-P.); (E.d.V.); (J.T.); (A.N.)
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
| | - Jorge Tolivia
- Department of Morphology and Cell Biology, University of Oviedo, 33006 Oviedo, Spain; (C.M.-P.); (E.d.V.); (J.T.); (A.N.)
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
| | - Ana Navarro
- Department of Morphology and Cell Biology, University of Oviedo, 33006 Oviedo, Spain; (C.M.-P.); (E.d.V.); (J.T.); (A.N.)
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
| | - Rafael Franco
- Molecular Neurobiology Laboratory, Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain; (R.R.-S.); (R.F.)
- CiberNed, Network Center for Neurodegenerative Diseases, National Spanish Health Institute Carlos III, 28031 Madrid, Spain
| | - Eva Martínez-Pinilla
- Department of Morphology and Cell Biology, University of Oviedo, 33006 Oviedo, Spain; (C.M.-P.); (E.d.V.); (J.T.); (A.N.)
- Instituto de Neurociencias del Principado de Asturias (INEUROPA), 33006 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), 33006 Oviedo, Spain
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23
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Yang X, Wang K, Shen P, Zhou T, Xu Y, Chen Y, Li Y, Yao Y, Gong Z, Duan R, Jing L, Jia Y. Association of plasma sphingosine-1-phosphate levels with disease severity and prognosis after intracerebral hemorrhage. Front Neurol 2024; 15:1365902. [PMID: 38633536 PMCID: PMC11021779 DOI: 10.3389/fneur.2024.1365902] [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: 01/05/2024] [Accepted: 03/21/2024] [Indexed: 04/19/2024] Open
Abstract
Purpose Sphingosine-1-phosphate (S1P) is a signaling lipid involved in many biological processes, including inflammatory and immune regulatory responses. The study aimed to determine whether admission S1P levels are associated with disease severity and prognosis after spontaneous intracerebral hemorrhage (ICH). Methods Data of 134 patients with spontaneous ICH and 120 healthy controls were obtained from Biological Resource Sample Database of Intracerebral Hemorrhage at the First Affiliated Hospital of Zhengzhou University. Plasma S1P levels were measured. Regression analyses were used to analyze the association between S1P levels and admission and 90-day modified Rankin scale (mRS) scores. Receiver operating characteristic (ROC) curves assessed the predictive value of S1P levels for ICH severity and prognosis. Results Patients with ICH exhibited elevated plasma S1P levels compared to the control group (median 286.95 vs. 239.80 ng/mL, p < 0.001). When divided patients into mild-to-moderate and severe groups according to their mRS scores both at admission and discharge, S1P levels were significantly elevated in the severe group compared to the mild-to-moderate group (admission 259.30 vs. 300.54, p < 0.001; 90-day 275.24 vs. 303.25, p < 0.001). The patients were divided into three groups with different concentration gradients, which showed significant statistical differences in admission mRS scores (3 vs. 4 vs. 5, p < 0.001), 90-day mRS scores (2.5 vs. 3 vs. 4, p < 0.001), consciousness disorders (45.5% vs. 68.2% vs. 69.6%, p = 0.033), ICU admission (29.5% vs. 59.1% vs. 89.1%, p < 0.001), surgery (15.9% vs. 47.7% vs. 82.6%, p < 0.001), intraventricular hemorrhages (27.3% vs. 61.4% vs. 65.2%, p < 0.001) and pulmonary infection (25% vs. 47.7% vs. 84.8%, p < 0.001). Multivariate analysis displayed that S1P level was an independent risk factor for disease severity (OR = 1.037, 95% CI = 1.020-1.054, p < 0.001) and prognosis (OR = 1.018, 95% CI = 1.006-1.030, p = 0.003). ROC curves revealed a predictive value of S1P levels with an area under the curve of 0.7952 (95% CI = 0.7144-0.8759, p < 0.001) for disease severity and 0.7105 (95% CI = 0.6227-0.7983, p < 0.001) for prognosis. Conclusion Higher admission S1P is associated with worse initial disease severity and 90-day functional outcomes in intracerebral hemorrhage.
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Affiliation(s)
- Xuan Yang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Kaixin Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ping Shen
- Department of Neurology, Xinzheng Huaxin Minsheng Hospital, Zhengzhou, Henan, China
| | - Tong Zhou
- Department of Neurology, Huaiyang County People’s Hospital, Zhoukou, Henan, China
| | - Yudi Xu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yufei Chen
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanfei Li
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yaobing Yao
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhe Gong
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ranran Duan
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lijun Jing
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanjie Jia
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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24
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Gaastra B, Zhang J, Tapper W, Bulters D, Galea I. Sphingosine-1-phosphate Signalling in Aneurysmal Subarachnoid Haemorrhage: Basic Science to Clinical Translation. Transl Stroke Res 2024; 15:352-363. [PMID: 36749550 PMCID: PMC10891271 DOI: 10.1007/s12975-023-01133-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 01/25/2023] [Accepted: 01/25/2023] [Indexed: 02/08/2023]
Abstract
Sphingosine-1-phosphate (S1P) is generated intracellularly and, when transported to the extracellular compartment, predominantly signals through S1P receptors. The S1P signalling pathway has been implicated in the pathophysiology of neurological injury following aneurysmal subarachnoid haemorrhage (aSAH). In this review, we bring together all the available data regarding the role of S1P in neurological injury following aSAH. There is agreement in the literature that S1P increases in the cerebrospinal fluid following aSAH and leads to cerebral artery vasospasm. On the other hand, the role of S1P in the parenchyma is less clear cut, with different studies arguing for beneficial and deleterious effects. A parsimonious interpretation of this apparently conflicting data is presented. We discuss the potential of S1P receptor modulators, in clinical use for multiple sclerosis, to be repurposed for aSAH. Finally, we highlight the gaps in our knowledge of S1P signalling in humans, the clinical challenges of targeting the S1P pathway after aSAH and other research priorities.
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Affiliation(s)
- Ben Gaastra
- Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK.
- Department of Neurosurgery, Wessex Neurological Centre, University Hospital Southampton, Southampton, SO16 6YD, UK.
| | - John Zhang
- Center of Neuroscience Research, Loma Linda University, Loma Linda, CA, 92350, USA
| | - Will Tapper
- Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK
| | - Diederik Bulters
- Department of Neurosurgery, Wessex Neurological Centre, University Hospital Southampton, Southampton, SO16 6YD, UK
| | - Ian Galea
- Faculty of Medicine, University of Southampton, Southampton, SO17 1BJ, UK
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Coyle PK, Freedman MS, Cohen BA, Cree BAC, Markowitz CE. Sphingosine 1-phosphate receptor modulators in multiple sclerosis treatment: A practical review. Ann Clin Transl Neurol 2024; 11:842-855. [PMID: 38366285 PMCID: PMC11021614 DOI: 10.1002/acn3.52017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 02/18/2024] Open
Abstract
Four sphingosine 1-phosphate (S1P) receptor modulators (fingolimod, ozanimod, ponesimod, and siponimod) are approved by the US Food and Drug Administration for the treatment of multiple sclerosis. This review summarizes efficacy and safety data on these S1P receptor modulators, with an emphasis on similarities and differences. Efficacy data from the pivotal clinical trials are generally similar for the four agents. However, because no head-to-head clinical studies were conducted, direct efficacy comparisons cannot be made. Based on the adverse event profile of S1P receptor modulators, continued and regular monitoring of patients during treatment will be instructive. Notably, the authors recommend paying attention to the cardiac monitoring guidelines for these drugs, and when indicated screening for macular edema and cutaneous malignancies before starting treatment. To obtain the best outcome, clinicians should choose the drug based on disease type, history, and concomitant medications for each patient. Real-world data should help to determine whether there are meaningful differences in efficacy or side effects between these agents.
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Affiliation(s)
- Patricia K. Coyle
- Department of Neurology, Stony Brook Renaissance School of MedicineStony Brook UniversityStony BrookNew YorkUSA
| | - Mark S. Freedman
- University of OttawaDepartment of Medicine and the Ottawa Hospital Research InstituteOttawaOntarioCanada
| | - Bruce A. Cohen
- Department of NeurologyNorthwestern University, Feinberg School of MedicineChicagoIllinoisUSA
| | - Bruce A. C. Cree
- Weill Institute for Neurosciences, Department of NeurologyUniversity of California San FranciscoSan FranciscoCaliforniaUSA
| | - Clyde E. Markowitz
- Department of Neurology, Perelman School of MedicineUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
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Sha F, Li H, Zhang L, Liang F. Evidence for Genetic Causal Relationships Between Multiple Immune-Mediated Inflammatory Diseases and Age-Related Macular Degeneration: A Univariable and Multivariable Mendelian Randomization Study. Ophthalmol Ther 2024; 13:955-967. [PMID: 38315350 PMCID: PMC10912070 DOI: 10.1007/s40123-024-00895-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/19/2024] [Indexed: 02/07/2024] Open
Abstract
INTRODUCTION With the global aging population on the rise, age-related macular degeneration (AMD) poses a growing healthcare burden. Prior research hints at immune-mediated inflammatory diseases (IMIDs) potentially elevating AMD risk via diverse mechanisms. However, causality remains disputed as a result of confounding factors. Hence, our Mendelian randomization (MR) study aims to untangle this link, mitigating confounding effects to explore the IMID-AMD causal relationship. This study aims to investigate the causal relationship between IMIDs and AMD, providing new strategies for the prevention and treatment of AMD in clinical practice. METHODS This study was registered with PROSPERO, CRD42023469815. We obtained data on IMIDs and AMD from Genome-Wide Association Studies (GWAS) summary statistics and the FinnGen consortium. Rigorous selection steps were applied to screen for eligible instrumental single nucleotide polymorphisms (SNPs). We conducted univariate Mendelian randomization, inverse variance-weighted (IVW), weighted median, Mendelian randomization-Egger (MR-Egger), and multivariate Mendelian randomization (MVMR) analyses. Various sensitivity analysis methods were employed to assess pleiotropy and heterogeneity. The aim was to explore the causal relationships between IMIDs and AMD. RESULTS The MR analysis revealed that Crohn's disease (CD) (IVW: odd ratios (OR) 1.05, 95% CI (confidence interval) 1.01-1.10, p = 0.007), rheumatoid arthritis (RA) (IVW: OR 1.09, 95% CI 1.04-1.15, p = 0.0001), and type 1 diabetes (T1D) (IVW: OR 1.05, 95% CI 1.02-1.09, p = 0.001) were correlated with an elevated risk of AMD, while multiple sclerosis (MS) (IVW: OR 2.78E-18, 95% CI 2.23E-31 to 3.48E-05, p = 0.008) appeared to be protective against AMD. These findings were supported by an array of MR analysis methodologies and the MVMR approach. CONCLUSION Our study results, based on MR, provide genetic evidence indicating a causal relationship between specific IMIDs and AMD. CD, RA, and T1D are factors increasing the risk of AMD, while MS may have a protective effect.
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Affiliation(s)
- Fuhui Sha
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hongmei Li
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Longyao Zhang
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Fengming Liang
- Eye School of Chengdu, University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China.
- Key Laboratory of Sichuan Province Ophthalmopathy Prevention and Cure and Visual Function Protection with Traditional Chinese Medicine Laboratory, Chengdu, Sichuan Province, China.
- Retinal Image Technology and Chronic Vascular Disease Prevention and Control and Collaborative Innovation Center, Chengdu, Sichuan Province, China.
- Ineye Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China.
- Sichuan Integrated Traditional Chinese and Western Medicine Myopia Prevention and Treatment Center, Sichuan Vision Protection Science Popularization Base, Chengdu, Sichuan Province, China.
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Kamyan D, Hassane M, Alnaqbi A, Souid AK, Rasbi ZA, Tahrawi AA, Shamsi MA. Ozanimod-mediated remission in experimental autoimmune encephalomyelitis is associated with enhanced activity of CNS CD27 low/- NK cell subset. Front Immunol 2024; 15:1230735. [PMID: 38533505 PMCID: PMC10963535 DOI: 10.3389/fimmu.2024.1230735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 01/30/2024] [Indexed: 03/28/2024] Open
Abstract
Background Ozanimod (RPC1063) is an immunomodulator that has been recently approved by the FDA (2020) for the treatment of relapsing-remitting multiple sclerosis (RRMS). It is a selective agonist of the sphingosine-1-phophate receptors 1 and 5, expressed on naïve and central memory T and B cells, as well as natural killer (NK) cells, and is involved in lymphocyte trafficking. Oral administration of ozanimod was reported to result in rapid and reversible reduction in circulating lymphocytes in multiple sclerosis (MS) patients, however, only minimal effect on NK cells was observed. In this study, we sought to investigate the effect of ozanimod on NK cells and assess whether they play any role in ozanimod-induced remission in experimental autoimmune encephalomyelitis (EAE), the animal model of MS. Methods Active EAE induction was done in C57BL/6 female mice, followed by daily oral treatment with ozanimod (0.6mg/kg) starting at disease onset (score 1). Flow cytometry of blood and CNS was performed 24 hours after the last oral dose of ozanimod treatment in diseased mice. Histological analysis of lumbar spinal cord was performed for evaluating the level of inflammation and demyelination. Depletion of peripheral NK cells was done using anti-NK1.1 mouse antibody (mAb) at day 5 post-EAE induction. Results Ozanimod was effective in reducing the clinical severity of EAE and reducing the percentage of autoreactive CD4+ and CD8+ T cells along with significant inhibition of lymphocyte infiltration into the spinal cord, accompanied by reversed demyelination. Furthermore, ozanimod treatment resulted in a significant increase in the frequency of total NK cells in the blood and CNS along with upregulation of the activating receptor NKG2D on CD27low/- NK cell subset in the CNS. The effectiveness of ozanimod treatment in inhibiting the progression of the disease was reduced when NK cells were depleted using anti-NK1.1 mAb. Conclusion The current study demonstrated that ozanimod treatment significantly improved clinical symptoms in EAE mice. Ozanimod and anti-NK1.1 mAb appear to function in opposition to one another. Collectively, our data suggest that ozanimod-mediated remission is associated with an increased percentage of total NK cells and CD27low/- NK cells expressing the activating receptor, NKG2D in the CNS.
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Affiliation(s)
- Doua Kamyan
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Maya Hassane
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Alanood Alnaqbi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Abdul-Kader Souid
- Department of Pediatrics, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Zakeya Al Rasbi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Abeer Al Tahrawi
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Mariam Al Shamsi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates (UAE) University, Al Ain, Abu Dhabi, United Arab Emirates
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Zhang W, Zhu F, Zhu J, Liu K. Phospholipase D, a Novel Therapeutic Target Contributes to the Pathogenesis of Neurodegenerative and Neuroimmune Diseases. Anal Cell Pathol (Amst) 2024; 2024:6681911. [PMID: 38487684 PMCID: PMC10940030 DOI: 10.1155/2024/6681911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 01/10/2024] [Accepted: 02/14/2024] [Indexed: 03/17/2024] Open
Abstract
Phospholipase D (PLD) is an enzyme that consists of six isoforms (PLD1-PLD6) and has been discovered in different organisms including bacteria, viruses, plants, and mammals. PLD is involved in regulating a wide range of nerve cells' physiological processes, such as cytoskeleton modulation, proliferation/growth, vesicle trafficking, morphogenesis, and development. Simultaneously, PLD, which also plays an essential role in the pathogenesis of neurodegenerative and neuroimmune diseases. In this review, family members, characterizations, structure, functions and related signaling pathways, and therapeutic values of PLD was summarized, then five representative diseases including Alzheimer disease (AD), Parkinson's disease (PD), etc. were selected as examples to tell the involvement of PLD in these neurological diseases. Notably, recent advances in the development of tools for studying PLD therapy envisaged novel therapeutic interventions. Furthermore, the limitations of PLD based therapy were also analyzed and discussed. The content of this review provided a thorough and reasonable basis for further studies to exploit the potential of PLD in the treatment of neurodegenerative and neuroimmune diseases.
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Affiliation(s)
- Weiwei Zhang
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Feiqi Zhu
- Cognitive Impairment Ward of Neurology Department, The Third Affiliated Hospital of Shenzhen University Medical College, Shenzhen, China
| | - Jie Zhu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
| | - Kangding Liu
- Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
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Sun H, Hu B, Wu C, Jiang T. Targeting the SPHK1/S1P/S1PR2 axis ameliorates GH-secreted pituitary adenoma progression. Eur J Clin Invest 2024; 54:e14117. [PMID: 37888843 DOI: 10.1111/eci.14117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/30/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023]
Abstract
BACKGROUND Growth hormone-secreted pituitary adenoma (GHPA) is a prominent subtype of pituitary adenoma (PA) associated with progressive somatic disfigurement, various complications, and elevated mortality rates. Existing treatment options have limited efficacy, highlighting the urgent need for novel pharmacological interventions. Previous studies have revealed that sphingosine kinase 1 (SphK1)/sphingosine-1-phosphate (S1P)/S1P receptors (S1PRs) signalling have critical roles in the tumour microenvironment, but their role in GHPA remains unclear. METHODS We performed integrative analyses including bioinformatics analyses, functional studies, and clinical validation to investigate the pathological roles of SPHK1/S1P and evaluated the effectiveness of the S1P receptor 2 (S1PR2) inhibitor JTE-013 in GHPA treatment. RESULTS SPHK1/S1P signalling is abnormally expressed in patients with GHPA. Knockdown of SPHK1 suppresses S1P-mediated cell proliferation in GH3 Cells. Mechanistically, S1P inhibits apoptosis and autophagy while promoting the secretion of Growth Hormone (GH) by binding to the S1P receptor subtype 2 (S1PR2) in GH3 cells. Moreover, the function of S1PR2 in GH3 cells is mediated by the downstream Akt-Creb pathway. We then identify the S1PR2 as a novel target for therapeutic intervention in GHPA. Systemic administration of the potent and selective S1PR2 antagonist, JTE-013, significantly reduces both tumour size and GH secretion. Importantly, we identify preoperative serum S1P levels as a biomarker predicting poor prognosis in GHPA patients at follow-up. CONCLUSION Our study shows that blocking SPHK1/S1P/S1PR2 axis can ameliorate the progression of GHPA, providing evidence of a promising therapeutic target for GHPA.
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Affiliation(s)
- Heng Sun
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Hunan, Changsha, China
| | - Biao Hu
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Hunan, Changsha, China
| | - Chunli Wu
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Hunan, Changsha, China
| | - Tiejian Jiang
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, Hunan, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital of Central South University, Hunan, Changsha, China
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Gong C, Jin Y, Wang X, Mao J, Wang D, Yu X, Chen S, Wang Y, Ma D, Fang X, Zhang K, Shu Q. Lack of S1PR2 in Macrophage Ameliorates Sepsis-associated Lung Injury through Inducing IL-33-mediated Type 2 Immunity. Am J Respir Cell Mol Biol 2024; 70:215-225. [PMID: 38061028 DOI: 10.1165/rcmb.2023-0075oc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 12/07/2023] [Indexed: 03/02/2024] Open
Abstract
The function of type 2 immunity and mechanisms underlying the initiation of type 2 immunity after sepsis-induced lung injury remain unclear. Sphingosine-1-phosphate receptor 2 (S1PR2) has been demonstrated to modulate type 2 immunity in the context of asthma and pulmonary fibrosis. Thus, this study aims to investigate the role of type 2 immunity and whether and how S1PR2 regulates type 2 immunity in sepsis. Peripheral type 2 immune responses in patients with sepsis and healthy control subjects were assessed. The impact of S1PR2 on type 2 immunity in patients with sepsis and in a murine model of sepsis was further investigated. The type 2 innate immune responses were significantly increased in the circulation of patients 24 hours after sepsis, which was positively related to clinical complications and negatively correlated with S1PR2 mRNA expression. Animal studies showed that genetic deletion or pharmacological inhibition of S1PR2 induced type 2 innate immunity accumulation in the post-septic lungs. Mechanistically, S1PR2 deficiency promoted macrophage-derived interleukin (IL)-33 increase and the associated type 2 response in the lung. Furthermore, S1PR2-regulated IL-33 from macrophages mitigated lung injury after sepsis in mice. In conclusion, a lack of S1PR2 modulates the type 2 immune response by upregulating IL-33 release from macrophages and alleviates sepsis-induced lung injury. Targeting S1PR2 may have potential therapeutic value for sepsis treatment.
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Affiliation(s)
| | - Yue Jin
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Xi Wang
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Jiali Mao
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Dongdong Wang
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Xiangyang Yu
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Shiyu Chen
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Yang Wang
- Department of Intensive Care Unit, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China; and
| | - Daqing Ma
- Perioperative and Systems Medicine Laboratory, Children's Hospital, National Clinical Research Center for Child Health
- Division of Anaesthetics, Pain Medicine, and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea and Westminster Hospital, London, United Kingdom
| | - Xiangming Fang
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Kai Zhang
- Department of Anesthesiology, The First Affiliated Hospital, and
| | - Qiang Shu
- Department of Thoracic and Cardiovascular Surgery
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Lyu M, Xu G, Zhou J, Reboud J, Wang Y, Lai H, Chen Y, Zhou Y, Zhu G, Cooper JM, Ying B. Single-Cell Sequencing Reveals Functional Alterations in Tuberculosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305592. [PMID: 38192178 PMCID: PMC10953544 DOI: 10.1002/advs.202305592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/21/2023] [Indexed: 01/10/2024]
Abstract
Despite its importance, the functional heterogeneity surrounding the dynamics of interactions between mycobacterium tuberculosis and human immune cells in determining host immune strength and tuberculosis (TB) outcomes, remains far from understood. This work now describes the development of a new technological platform to elucidate the immune function differences in individuals with TB, integrating single-cell RNA sequencing and cell surface antibody sequencing to provide both genomic and phenotypic information from the same samples. Single-cell analysis of 23 990 peripheral blood mononuclear cells from a new cohort of primary TB patients and healthy controls enables to not only show four distinct immune phenotypes (TB, myeloid, and natural killer (NK) cells), but also determine the dynamic changes in cell population abundance, gene expression, developmental trajectory, transcriptomic regulation, and cell-cell signaling. In doing so, TB-related changes in immune cell functions demonstrate that the immune response is mediated through host T cells, myeloid cells, and NK cells, with TB patients showing decreased naive, cytotoxicity, and memory functions of T cells, rather than their immunoregulatory function. The platform also has the potential to identify new targets for immunotherapeutic treatment strategies to restore T cells from dysfunctional or exhausted states.
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Affiliation(s)
- Mengyuan Lyu
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Gaolian Xu
- School of Biomedical Engineering/Med‐X Research InstituteShanghai Jiao Tong UniversityShanghai200030P. R. China
| | - Jian Zhou
- Department of Thoracic SurgeryWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Julien Reboud
- Division of Biomedical EngineeringUniversity of GlasgowGlasgowG12 8LTUnited Kingdom
| | - Yili Wang
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Hongli Lai
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Yi Chen
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Yanbing Zhou
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
| | - Guiying Zhu
- School of Biomedical Engineering/Med‐X Research InstituteShanghai Jiao Tong UniversityShanghai200030P. R. China
| | - Jonathan M. Cooper
- Division of Biomedical EngineeringUniversity of GlasgowGlasgowG12 8LTUnited Kingdom
| | - Binwu Ying
- Department of Laboratory MedicineWest China HospitalSichuan UniversityChengduSichuan610041P. R. China
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Hardeman P. An update on managing patients with multiple sclerosis in primary care. JAAPA 2024; 37:22-29. [PMID: 38230895 DOI: 10.1097/01.jaa.0000997680.33314.2b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
ABSTRACT Multiple sclerosis (MS) is an immune-mediated inflammatory condition of the central nervous system causing periods of recurring inflammation and ultimately progression of symptoms over time. MS is a common cause of disability in younger patients. Evidence-based treatment for patients with MS early in their disease course prevents relapses and delays progression. Early treatments for MS were classified as immune-modulating; newer developments that suppress the immune system are more effective in preventing future relapses and progression but carry risks. The increased use of immunosuppressant therapies for patients with MS makes it imperative for clinicians to understand potential risks, benefits, and serious adverse reactions related to these therapies.
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Affiliation(s)
- Paula Hardeman
- Paula Hardeman is lead advanced practice provider in the ambulatory clinic of the Department of Neurology at UT Southwestern Medical Center in Dallas, Tex. The author has disclosed no potential conflicts of interest, financial or otherwise
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Abdelrahman A, Alvarez E. Advances in Multiple Sclerosis Neurotherapeutics, Neuroprotection, and Risk Mitigation Strategies. Neurol Clin 2024; 42:115-135. [PMID: 37980110 DOI: 10.1016/j.ncl.2023.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2023]
Abstract
The treatment of patients with relapsing multiple sclerosis (MS) has advanced tremendously over the past few decades. More efficacious therapies have been approved, which can significantly reduce the inflammatory process of relapsing MS. Neuroprotection by controlling this pathophysiology is important given our current limitations to control progressive MS and induce neurorepair. Here, the authors discuss the current landscape of neurotherapeutics for relapsing MS focusing on newer disease-modifying treatments and their use. Risk mitigation of these medications can greatly improve their safety and improve their benefit-risk balance. The authors discuss treatment strategies for risk mitigation including treatment discontinuation and de-escalation.
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Affiliation(s)
- Ahmad Abdelrahman
- Department of Neurology, Rocky Mountain MS Center at the University of Colorado Anschutz Medical Center, Aurora, CO, USA
| | - Enrique Alvarez
- Department of Neurology, Rocky Mountain MS Center at the University of Colorado Anschutz Medical Center, University of Colorado, Aurora, CO, USA.
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Zinganell A, Göbel G, Berek K, Hofer B, Asenbaum-Nan S, Barang M, Böck K, Bsteh C, Bsteh G, Eger S, Eggers C, Fertl E, Joldic D, Khalil M, Langenscheidt D, Komposch M, Kornek B, Kraus J, Krendl R, Rauschka H, Sellner J, Auer M, Hegen H, Pauli FD, Deisenhammer F. Multiple sclerosis in the elderly: a retrospective cohort study. J Neurol 2024; 271:674-687. [PMID: 37855871 DOI: 10.1007/s00415-023-12041-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND There is a lack of knowledge of disease course, prognosis, comorbidities and potential treatments of elderly MS patients. OBJECTIVE To characterize the disease course including disability progression and relapses, to quantify the use of DMTs and to identify comorbidities and risk factors for progression in elderly multiple sclerosis (MS) patients. METHODS This is a retrospective study of 1200 Austrian MS patients older than 55 years as of May 1st, 2017 representing roughly one-third of all the MS patients of this age in Austria. Data were collected from 15 MS centers including demographics, first symptom at onset, number of relapses, evolvement of disability, medication, and comorbidities. RESULTS Median observation time was 17.1 years with 957 (80%) relapsing and 243 (20%) progressive onsets. Average age at diagnosis was 45 years with a female predominance of 71%. Three-hundred and twenty-six (27%) patients were never treated with a DMT, while most treated patients received interferons (496; 41%) at some point. At last follow-up, 420 (35%) patients were still treated with a DMT. No difference was found between treated and never-treated patients in terms of clinical outcome; however, patients with worse disability progression had significantly more DMT switches. Pyramidal onset, number of comorbidities, dementia, epilepsy, and psychiatric conditions as well as a higher number of relapses were associated with worse outcome. The risk of reaching EDSS 6 rose with every additional comorbidity by 22%. In late and very-late-onset MS (LOMS, VLOMS) time to diagnosis took nearly twice the time compared to adult and early onset (AEOMS). The overall annualized relapse rate (ARR) decreased over time and patients with AEOMS had significantly higher ARR compared to LOMS and VLOMS. Four percent of MS patients had five medications or more fulfilling criteria of polypharmacy and 20% of psychiatric drugs were administered without a matching diagnosis. CONCLUSIONS In this study, we identified number of comorbidities, pyramidal and cerebellar signs, and a higher number of relapses as unfavorable prognostic factors in elderly MS patients filling gaps of knowledge in patients usually underrepresented in clinical trials and may guide future therapeutic studies.
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Affiliation(s)
- Anne Zinganell
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Georg Göbel
- Department of Medical Statistics, Informatics and Health Economics, Medical University Innsbruck, Innsbruck, Austria
| | - Klaus Berek
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Barbara Hofer
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | | | - Matin Barang
- Department of Neurology, Hospital of St. Pölten, St. Pölten, Austria
| | - Klaus Böck
- Department of Neurology, Kepler Universitätsklinikum, Linz, Austria
| | | | - Gabriel Bsteh
- Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Stephan Eger
- Department of Neurology, Kepler Universitätsklinikum, Linz, Austria
| | - Christian Eggers
- Department of Neurology, Kepler Universitätsklinikum, Linz, Austria
| | - Elisabeth Fertl
- Department of Neurology, Klinik Landstrasse, Vienna, Austria
| | - Damir Joldic
- Department of Neurology, Klinik Landstrasse, Vienna, Austria
| | - Michael Khalil
- Department of Neurology, Medical University of Graz, Graz, Austria
| | | | - Martina Komposch
- Department of Neurology, Hospital of Klagenfurt, Klagenfurt, Austria
| | - Barbara Kornek
- Department of Neurology, Medical University of Vienna, Vienna, Austria
| | - Jörg Kraus
- Neurologist, Zell Am See, Austria
- Department of Laboratory Medicine, Paracelsus Medical University and Salzburger Landeskliniken, Salzburg, Austria
- Department of Neurology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | - Reinhard Krendl
- Department of Neurology, Hospital of Villach, Villach, Austria
| | - Helmut Rauschka
- Department of Neurology, Klinik Donaustadt, Vienna, Austria
- Karl Landsteiner Institute for Neuroimmunological and Neurodegenerative Disorders, Department of Neurology, Klinik Donaustadt, Vienna, Austria
| | - Johann Sellner
- Department of Neurology, Landesklinikum Mistelbach, Mistelbach, Austria
| | - Michael Auer
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Harald Hegen
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Franziska Di Pauli
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Florian Deisenhammer
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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Bou Rjeily N, Mowry EM, Ontaneda D, Carlson AK. Highly Effective Therapy Versus Escalation Approaches in Early Multiple Sclerosis: What Is the Future of Multiple Sclerosis Treatment? Neurol Clin 2024; 42:185-201. [PMID: 37980115 DOI: 10.1016/j.ncl.2023.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2023]
Abstract
Treatment options for patients newly diagnosed with multiple sclerosis (MS) are expanding with the continuous development and approval of new disease-modifying therapies (DMTs). The optimal initial treatment strategy, however, remains unclear. The 2 main treatment paradigms currently employed are the escalation (ESC) approach and the early highly effective treatment (EHT) approach. The ESC approach consists of starting a lower- or moderate-efficacy DMT, which offers a potentially safer approach, while the EHT approach favors higher-efficacy treatment early in the disease course, despite a potential increase in risk. Randomized clinical trials aiming to directly compare these approaches in newly diagnosed MS patients are currently underway.
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Affiliation(s)
- Nicole Bou Rjeily
- Department of Neurology, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Pathology 627, Baltimore, MD 21287, USA
| | - Ellen M Mowry
- Department of Neurology, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Pathology 627, Baltimore, MD 21287, USA; Department of Epidemiology, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Pathology 627, Baltimore, MD 21287, USA
| | - Daniel Ontaneda
- Cleveland Clinic Mellen Center, 9500 Euclid Avenue U10, Cleveland, OH 44195, USA
| | - Alise K Carlson
- Cleveland Clinic Mellen Center, 9500 Euclid Avenue U10, Cleveland, OH 44195, USA.
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Cao H, Chen L, Zeng Z, Wu X, Lei Y, Jia W, Yue G, Yi B, Li YJ, Shi Y. Reversal of cholestatic liver disease by the inhibition of sphingosine 1-phosphate receptor 2 signaling. PeerJ 2024; 12:e16744. [PMID: 38250717 PMCID: PMC10798156 DOI: 10.7717/peerj.16744] [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: 09/13/2023] [Accepted: 12/11/2023] [Indexed: 01/23/2024] Open
Abstract
Aims The objective of this study is to examine the impact of inhibiting Sphingosine 1-phosphate receptor 2 (S1PR2) on liver inflammation, fibrogenesis, and changes of gut microbiome in the context of cholestasis-induced conditions. Methods The cholestatic liver injury model was developed by common bile duct ligation (CBDL). Sprague-Dawley rats were randomly allocated to three groups, sham operation, CBDL group and JTE-013 treated CBDL group. Biochemical and histological assessments were conducted to investigate the influence of S1PR2 on the modulation of fibrogenic factors and inflammatory infiltration. We conducted an analysis of the fecal microbiome by using 16S rRNA sequencing. Serum bile acid composition was evaluated through the utilization of liquid chromatography-mass spectrometry techniques. Results In the BDL rat model, the study findings revealed a significant increase in serum levels of conjugated bile acids, accompanied by an overexpression of S1PR2. Treatment with the specific inhibitor of S1PR2, known as JTE-013, resulted in a range of specific effects on the BDL rats. These effects included the improvement of liver function, reduction of liver inflammation, inhibition of hepatocyte apoptosis, and suppression of NETosis. These effects are likely mediated through the TCA/S1PR2/NOX2/NLRP3 pathway. Furthermore, the administration of JTE-013 resulted in an augmentation of the diversity of the bacterial community's diversity, facilitating the proliferation of advantageous species while concurrently inhibiting the prevalence of detrimental bacteria. Conclusions The results of our study suggest that the administration of JTE-013 may have a beneficial effect in alleviating cholestatic liver disease and restoring the balance of intestinal flora.
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Affiliation(s)
- Huiling Cao
- Department of Neonatology, Children’s Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Childhood Nutrition and Health, Chongqing, China
| | - Lin Chen
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Ziyang Zeng
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Xianfeng Wu
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Yuhao Lei
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Wen Jia
- Department of Neonatology, Children’s Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Childhood Nutrition and Health, Chongqing, China
| | - Guang Yue
- Department of Neonatology, Children’s Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Childhood Nutrition and Health, Chongqing, China
| | - Bin Yi
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Yu-jie Li
- Southwest Hospital, Third Military Medical University, Chongqing, Chongqing, China
| | - Yuan Shi
- Department of Neonatology, Children’s Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Childhood Nutrition and Health, Chongqing, China
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Drakos A, Torres T, Vender R. Emerging Oral Therapies for the Treatment of Psoriasis: A Review of Pipeline Agents. Pharmaceutics 2024; 16:111. [PMID: 38258121 PMCID: PMC10819460 DOI: 10.3390/pharmaceutics16010111] [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: 11/24/2023] [Revised: 12/19/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The introduction of biologic agents for the treatment of psoriasis has revolutionized the current treatment landscape, targeting cytokines in the interleukin (IL)-23/IL-17 pathway and demonstrating strong efficacy and safety profiles in clinical trials. These agents however are costly, are associated with a risk of immunogenicity, and require administration by intravenous or subcutaneous injection, limiting their use among patients. Oral therapies, specifically small molecule and microbiome therapeutics, have the potential to be more convenient and cost-effective agents for patients and have been a focus of development in recent years, with few targeted oral medications available for the disease. In this manuscript, we review pipeline oral therapies for psoriasis identified through a search of ClinicalTrials.gov (30 June 2022-1 October 2023). Available preclinical and clinical trial data on each therapeutic agent are discussed. Small molecules under development include tumor necrosis factor inhibitors, IL-23 inhibitors, IL-17 inhibitors, phosphodiesterase-4 inhibitors, Janus kinase inhibitors, A3 adenosine receptor agonists, and sphingosine-1-phosphate receptor 1 agonists, several of which are entering phase III trials. Oral microbials have also demonstrated success in early phase studies. As new oral therapies emerge for the treatment of psoriasis, real-world data and comparative trials are needed to better inform their use among patients.
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Affiliation(s)
- Anastasia Drakos
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada;
| | - Tiago Torres
- Instituto de Ciências Biomédicas Abel Salazar, University of Porto, 4050-313 Porto, Portugal;
- Department of Dermatology, Centro Hospitalar de Santo António, 4099-001 Porto, Portugal
| | - Ronald Vender
- Dermatrials Research Inc. & Venderm Consulting, Hamilton, ON L8N 1Y2, Canada
- Department of Medicine, McMaster University, Hamilton, ON L8N 3Z5, Canada
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Dufrasne F. Immune Diseases: Challenges, Hopes and Recent Achievements. Pharmaceuticals (Basel) 2024; 17:97. [PMID: 38256930 PMCID: PMC10821122 DOI: 10.3390/ph17010097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 01/24/2024] Open
Abstract
Although they have been greatly described for about 50 years, we have gained a much greater understanding of immune diseases since the beginning of this millennium [...].
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Affiliation(s)
- François Dufrasne
- Microbiology, Bioorganic and Macromolecular Chemistry Unit, Faculty of Pharmacy, Université Libre de Bruxelles (ULB), Boulevard du Triomphe, 1050 Brussels, Belgium
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Mehta V, Dwivedi AR, Ludhiadch A, Rana V, Goel KK, Uniyal P, Joshi G, Kumar A, Kumar B. A decade of USFDA-approved small molecules as anti-inflammatory agents: Recent trends and Commentaries on the "industrial" perspective. Eur J Med Chem 2024; 263:115942. [PMID: 38000212 DOI: 10.1016/j.ejmech.2023.115942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/05/2023] [Accepted: 11/05/2023] [Indexed: 11/26/2023]
Abstract
Inflammation is the human body's defence process against various pathogens, toxic substances, irradiation, and physically injured cells that have been damaged. Inflammation is characterized by swelling, pain, redness, heat, as well as diminished tissue function. Multiple important inflammatory markers determine the prognosis of inflammatory processes, which include likes of pro-inflammatory cytokines which are controlled by nuclear factor kappa-B (NF-kB), mitogen-activated protein kinase (MAPK), Janus kinase signal transducer and activator of transcription (JAK-STAT) pathway, all of which are activated in response to the stimulation of specific receptors. Besides these, the cyclooxygenase (COX) enzyme family also plays a significant role in inflammation. The current review is kept forth to compile a summary of small molecules-based drugs approved by the USFDA during the study period of 2013-2023. A thorough discussion has also been made to focus on biologics, macromolecules, and small chemical entities approved during this study period and their greener synthetic routes with a brief discussion on the chemical spacing parameters of anti-inflammatory drugs. The compilation is expected to assist the medicinal chemist and the scientist actively engaged in drug discovery and development of anti-inflammatory agents from newer perspectives during the current years.
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Affiliation(s)
- Vikrant Mehta
- Department of Cell Systems & Anatomy, University of Texas Health Science Center at San Antonio, Texas, 78229, USA
| | | | - Abhilash Ludhiadch
- Department of Genetics and Development, Columbia University Irving Medical Center, New York, 10032, USA
| | - Vikas Rana
- School of Pharmacy, Graphic Era Hill University, Clement town, Dehradun, 248002, Uttarakhand, India
| | - Kapil Kumar Goel
- Department of Pharmaceutical Sciences, Gurukul Kangri (Deemed to Be University), Haridwar, 249404, Uttarakhand, India
| | - Prerna Uniyal
- School of Pharmacy, Graphic Era Hill University, Clement town, Dehradun, 248002, Uttarakhand, India
| | - Gaurav Joshi
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Garhwal, Srinagar, Uttarakhand, 246174, India; Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, 248002, Uttarakhand, India.
| | - Asim Kumar
- Amity Institute of Pharmacy (AIP), Amity University Haryana, Panchgaon, Manesar, 122413, India.
| | - Bhupinder Kumar
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Garhwal, Srinagar, Uttarakhand, 246174, India.
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Kleuser B, Schumacher F, Gulbins E. New Therapeutic Options in Pulmonal Diseases: Sphingolipids and Modulation of Sphingolipid Metabolism. Handb Exp Pharmacol 2024; 284:289-312. [PMID: 37922034 DOI: 10.1007/164_2023_700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2023]
Abstract
Sphingolipids are crucial molecules in the respiratory airways. As in most other tissues and organs, in the lung sphingolipids play an essential role as structural constituents as they regulate barrier function and fluidity of cell membranes. A lung-specific feature is the occurrence of sphingolipids as minor structural components in the surfactant. However, sphingolipids are also key signaling molecules involved in airway cell signaling and their dynamical formation and metabolism are important for normal lung physiology. Dysregulation of sphingolipid metabolism and signaling is involved in altering lung tissue and initiates inflammatory processes promoting the pathogenesis of pulmonal diseases including cystic fibrosis (CF), chronic obstructive pulmonary disease (COPD), and asthma.In the present review, the important role of specific sphingolipid species in pulmonal diseases will be discussed. Only such an understanding opens up the possibility of developing new therapeutic strategies with the aim of correcting the imbalance in sphingolipid metabolism and signaling. Such delivery strategies have already been studied in animal models of these lung diseases, demonstrating that targeting the sphingolipid profile represents new therapeutic opportunities for lung disorders.
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Affiliation(s)
- Burkhard Kleuser
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany.
| | - Fabian Schumacher
- Institute of Pharmacy, Pharmacology and Toxicology, Freie Universität Berlin, Berlin, Germany
| | - Erich Gulbins
- Institute of Molecular Biology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
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Caliendo D, Grassia MC, Carotenuto A, Petracca M, Lanzillo R, Brescia Morra V, Moccia M. Switching to ozanimod as a strategy to adjust fingolimod-related lymphopenia. Mult Scler Relat Disord 2024; 81:105135. [PMID: 38006850 DOI: 10.1016/j.msard.2023.105135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/01/2023] [Accepted: 11/10/2023] [Indexed: 11/27/2023]
Abstract
INTRODUCTION Fingolimod is a disease-modifying therapy for multiple sclerosis (MS) that modulates sphingosine 1-phospate receptors, impeding the egress of lymphocytes from lymphnodes and thus causing lymphopenia. Severe lymphopenia should lead to fingolimod discontinuation. We aim to evaluate whether switching from fingolimod to ozanimod can adjust fingolimod-related lymphopenia while maintaining clinical efficacy. METHODS In this real-world observational study, we included 18 people with MS (47.7 ± 7.6 years of age, 77.8 % of women, 13.9 ± 6.9 years of disease duration, median EDSS 3.0) at the time of fingolimod discontinuation due to lymphopenia. We collected laboratory (lymphocyte absolute count on the same hematological counter) and clinical variables at fingolimod discontinuation, at ozanimod prescription, and 6 months after ozanimod prescription. RESULTS From 13 cases of grade 3 and 4 lymphopenia at the time of fingolimod discontinuation, we observed only 2 cases of grade 3 and no cases of grade 4 lymphopenia after 6 months of ozanimod treatment. On paired t-tests, absolute lymphocyte count at fingolimod discontinuation were lower than ozanimod prescription (p<0.001), and after 6 months (p<0.001). We observed no clinical changes. DISCUSSION People with MS who have severe fingolimod-related lymphopenia and are clinically stable, can exhibit increased absolute lymphocyte counts when switched to ozanimod, while preserving clinical stability.
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Affiliation(s)
- Daniele Caliendo
- Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Naples, Italy
| | - Maria Carmela Grassia
- Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Naples, Italy
| | - Antonio Carotenuto
- Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Naples, Italy; Multiple Sclerosis Unit, Policlinico Federico II University Hospital, Naples, Italy
| | - Maria Petracca
- Department of Human Neurosciences, Sapienza University, Rome, Italy
| | - Roberta Lanzillo
- Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Naples, Italy; Multiple Sclerosis Unit, Policlinico Federico II University Hospital, Naples, Italy
| | - Vincenzo Brescia Morra
- Department of Neuroscience, Reproductive Science and Odontostomatology, Federico II University of Naples, Naples, Italy; Multiple Sclerosis Unit, Policlinico Federico II University Hospital, Naples, Italy
| | - Marcello Moccia
- Multiple Sclerosis Unit, Policlinico Federico II University Hospital, Naples, Italy; Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, Italy.
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Xu X, Han Y, Zhu T, Fan F, Wang X, Liu Y, Luo D. The role of SphK/S1P/S1PR signaling pathway in bone metabolism. Biomed Pharmacother 2023; 169:115838. [PMID: 37944444 DOI: 10.1016/j.biopha.2023.115838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/27/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
There are a large number of people worldwide who suffer from osteoporosis, which imposes a huge economic burden, so it is necessary to explore the underlying mechanisms to achieve better supportive and curative care outcomes. Sphingosine kinase (SphK) is an enzyme that plays a crucial role in the synthesis of sphingosine-1-phosphate (S1P). S1P with paracrine and autocrine activities that act through its cell surface S1P receptors (S1PRs) and intracellular signals. In osteoporosis, S1P is indispensable for both normal and disease conditions. S1P has complicated roles in regulating osteoblast and osteoclast, respectively, and there have been exciting developments in understanding how SphK/S1P/S1PR signaling regulates these processes in response to osteoporosis therapy. Here, we review the proliferation, differentiation, apoptosis, and functions of S1P, specifically detailing the roles of S1P and S1PRs in osteoblasts and osteoclasts. Finally, we focus on the S1P-based therapeutic approaches in bone metabolism, which may provide valuable insights into potential therapeutic strategies for osteoporosis.
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Affiliation(s)
- Xuefeng Xu
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Yi Han
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Tianxin Zhu
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Faxin Fan
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Xin Wang
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Yuqing Liu
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China
| | - Duosheng Luo
- Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, China; Guangdong Metabolic Diseases Research Center of Integrated Chinese and Western Medicine, China; Guangdong TCM Key Laboratory for Metabolic Diseases, Guangzhou 510006, China; Institute of Chinese Medicine, Guangdong Pharmaceutical University, China.
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Wang W, Zhao Y, Zhu G. The role of sphingosine-1-phosphate in the development and progression of Parkinson's disease. Front Cell Neurosci 2023; 17:1288437. [PMID: 38179204 PMCID: PMC10764561 DOI: 10.3389/fncel.2023.1288437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/27/2023] [Indexed: 01/06/2024] Open
Abstract
Parkinson's disease (PD) could be viewed as a proteinopathy caused by changes in lipids, whereby modifications in lipid metabolism may lead to protein alterations, such as the accumulation of alpha-synuclein (α-syn), ultimately resulting in neurodegeneration. Although the loss of dopaminergic neurons in the substantia nigra is the major clinical manifestation of PD, the etiology of it is largely unknown. Increasing evidence has highlighted the important role of lipids in the pathophysiology of PD. Sphingosine-1-phosphate (S1P), a signaling lipid, has been suggested to have a potential association with the advancement and worsening of PD. Therefore, better understanding the mechanisms and regulatory proteins is of high interest. Most interestingly, S1P appears to be an important target to offers a new strategy for the diagnosis and treatment of PD. In this review, we first introduce the basic situation of S1P structure, function and regulation, with a special focus on the several pathways. We then briefly describe the regulation of S1P signaling pathway on cells and make a special focused on the cell growth, proliferation and apoptosis, etc. Finally, we discuss the function of S1P as potential therapeutic target to improve the clinical symptoms of PD, and even prevent the progression of the PD. In the context of PD, the functions of S1P modulators have been extensively elucidated. In conclusion, S1P modulators represent a novel and promising therapeutic principle and therapeutic method for PD. However, more research is required before these drugs can be considered as a standard treatment option for PD.
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Affiliation(s)
- Wang Wang
- Department of Neurology, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yang Zhao
- Department of Neurology, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Guoxue Zhu
- Department of Neurology, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
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Del Negro I, Pez S, Versace S, Marziali A, Gigli GL, Tereshko Y, Valente M. Impact of Disease-Modifying Therapies on Gut-Brain Axis in Multiple Sclerosis. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:6. [PMID: 38276041 PMCID: PMC10818907 DOI: 10.3390/medicina60010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 12/16/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024]
Abstract
Multiple sclerosis is a chronic, autoimmune-mediated, demyelinating disease whose pathogenesis remains to be defined. In past years, in consideration of a constantly growing number of patients diagnosed with multiple sclerosis, the impacts of different environmental factors in the pathogenesis of the disease have been largely studied. Alterations in gut microbiome composition and intestinal barrier permeability have been suggested to play an essential role in the regulation of autoimmunity. Thus, increased efforts are being conducted to demonstrate the complex interplay between gut homeostasis and disease pathogenesis. Numerous results confirm that disease-modifying therapies (DMTs) used for the treatment of MS, in addition to their immunomodulatory effect, could exert an impact on the intestinal microbiota, contributing to the modulation of the immune response itself. However, to date, the direct influence of these treatments on the microbiota is still unclear. This review intends to underline the impact of DMTs on the complex system of the microbiota-gut-brain axis in patients with multiple sclerosis.
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Affiliation(s)
- Ilaria Del Negro
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Sara Pez
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Salvatore Versace
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Alessandro Marziali
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Gian Luigi Gigli
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Yan Tereshko
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
| | - Mariarosaria Valente
- Clinical Neurology Unit, Udine University Hospital, Piazzale S. Maria della Misericordia, 33100 Udine, Italy
- Department of Medical Area (DAME), University of Udine, 33100 Udine, Italy
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Corsten CEA, Huygens SA, Versteegh MM, Wokke BHA, Smets I, Smolders J. Benefits of sphingosine-1-phosphate receptor modulators in relapsing MS estimated with a treatment sequence model. Mult Scler Relat Disord 2023; 80:105100. [PMID: 37944195 DOI: 10.1016/j.msard.2023.105100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 09/08/2023] [Accepted: 10/21/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Three sphingosine-1-phosphate receptor (S1PR) modulators are currently available as disease-modifying therapies (DMTs) for relapsing MS in the Netherlands (i.e. fingolimod, ozanimod and ponesimod). We aimed to identify which S1PR modulator yields the highest benefit from a health-economic and societal perspective during a patient's lifespan. METHODS Incorporating Dutch DMT list prices, we used the ErasmusMC/iMTA MS model to compare DMT sequences, including S1PR modulators and eight other DMT classes, for treatment-naïve patients with relapsing MS in terms of health outcomes (number of lifetime relapses, time to Expanded Disability Status Scale (EDSS) 6, lifetime quality-adjusted life years (QALYs)) and cost-effectiveness (net health benefit (NHB)). We estimated the influence of list price and EDSS progression on cost-effectiveness outcomes. RESULTS In deterministic and probabilistic analysis, DMT sequences with ponesimod have lower lifetime costs and higher QALYs resulting in a higher average NHB compared to sequences with other S1PR modulators. Ponesimod remains the most cost-effective S1PR modulator when EDSS progression is class-averaged. Given the variable effects on disability progression, list price reductions could make fingolimod but not ozanimod more cost-effective than ponesimod. CONCLUSION Our model favours ponesimod among the S1PR modulators for the treatment of relapsing MS. This implies that prioritizing ponesimod over other S1PR modulators translates into a more efficacious spending of national healthcare budget without reducing benefit for people with MS. Prioritizing cost-effective choices when counselling patients contributes to affordable and accessible MS care.
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Affiliation(s)
- Cato E A Corsten
- MS Center ErasMS, Department of Neurology, Erasmus MC Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, the Netherlands
| | | | | | - Beatrijs H A Wokke
- MS Center ErasMS, Department of Neurology, Erasmus MC Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, the Netherlands
| | - Ide Smets
- MS Center ErasMS, Department of Neurology, Erasmus MC Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, the Netherlands.
| | - Joost Smolders
- MS Center ErasMS, Department of Neurology, Erasmus MC Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, the Netherlands; Department of Immunology, Erasmus MC Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, the Netherlands.
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Jiang H, Zhou C, Qiu L, Gropler RJ, Brier MR, Wu GF, Cross AH, Perlmutter JS, Benzinger TLS, Tu Z. Quantitative Analysis of S1PR1 Expression in the Postmortem Multiple Sclerosis Central Nervous System. ACS Chem Neurosci 2023; 14:4039-4050. [PMID: 37882753 PMCID: PMC11037862 DOI: 10.1021/acschemneuro.3c00581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023] Open
Abstract
Multiple sclerosis (MS) is an immune-mediated disease that is characterized by demyelination and inflammation in the central nervous system (CNS). Previous studies demonstrated that sphingosine-1-phosphate receptor (S1PR) modulators effectively inhibit S1PR1 in immune cell trafficking and reduce entry of pathogenic cells into the CNS. Studies have also implicated a nonimmune, inflammatory role of S1PR1 within the CNS in MS. In this study, we explored the expression of S1PR1 in the development and progression of demyelinating pathology of MS by quantitative assessment of S1PR1 expression using our S1PR1-specific radioligand, [3H]CS1P1, in the postmortem human CNS tissues including cortex, cerebellum, and spinal cord of MS cases and age- and sex-matched healthy cases. Immunohistochemistry with whole slide scanning for S1PR1 and various myelin proteins was also performed. Autoradiographic analysis using [3H]CS1P1 showed that the expression of S1PR1 was statistically significantly elevated in lesions compared to nonlesion regions in the MS cases, as well as normal healthy controls. The uptake of [3H]CS1P1 in the gray matter and nonlesion white matter did not significantly differ between healthy and MS CNS tissues. Saturation autoradiography analysis showed an increased binding affinity (Kd) of [3H]CS1P1 to S1PR1 in both gray matter and white matter of MS brains compared to healthy brains. Our blocking study using NIBR-0213, a S1PR1 antagonist, indicated [3H]CS1P1 is highly specific to S1PR1. Our findings demonstrated the activation of S1PR1 and an increased uptake of [3H]CS1P1 in the lesions of MS CNS. In summary, our quantitative autoradiography analysis using [3H]CS1P1 on human postmortem tissues shows the feasibility of novel imaging strategies for MS by targeting S1PR1.
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Affiliation(s)
- Hao Jiang
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Charles Zhou
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Lin Qiu
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Robert J Gropler
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Matthew R Brier
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
- Department of Neurology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Gregory F Wu
- Department of Neurology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Anne H Cross
- Department of Neurology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Joel S Perlmutter
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
- Department of Neurology, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Tammie L S Benzinger
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
- Department of Neurological Surgery, Washington University School of Medicine, St Louis, Missouri 63110, United States
| | - Zhude Tu
- Department of Radiology, Washington University School of Medicine, St Louis, Missouri 63110, United States
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Maguire TJA, Yung S, Ortiz-Zapater E, Kayode OS, Till S, Corrigan C, Siew LQC, Knock GA, Woszczek G. Sphingosine-1-phosphate induces airway smooth muscle hyperresponsiveness and proliferation. J Allergy Clin Immunol 2023; 152:1131-1140.e6. [PMID: 37474025 DOI: 10.1016/j.jaci.2023.05.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND The emerging role of sphingosine-1-phosphate (S1P) in regulating smooth muscle functions has led to the exploration of the possibility that this sphingolipid could represent a potential therapeutic target in asthma and other lung diseases. Several studies in animal surrogates have suggested a role for S1P-mediated signaling in the regulation of airway smooth muscle (ASM) contraction, airway hyperresponsiveness, and airway remodeling, but evidence from human studies is lacking. OBJECTIVE We sought to compare the responsiveness of the airways to S1P in healthy and asthmatic individuals in vivo, in isolated human airways ex vivo, and in murine airways dissected from healthy and house dust mite (HDM)-sensitized animals. METHODS Airway responsiveness was measured by spirometry during inhalation challenges and by wire myography in airways isolated from human and mouse lungs. Thymidine incorporation and calcium mobilization assays were used to study human ASM cell responses. RESULTS S1P did not induce contraction of airways isolated from healthy and HDM-exposed mice, nor in human airways. Similarly, there was no airway constriction observed in healthy and asthmatic subjects in response to increasing concentrations of inhaled S1P. However, a 30-minute exposure to S1P induced a significant concentration-dependent enhancement of airway reactivity to methacholine and to histamine in murine and human airways, respectively. HDM-sensitized mice demonstrated a significant increase in methacholine responsiveness, which was not further enhanced by S1P treatment. S1P also concentration-dependently enhanced proliferation of human ASM cells, an effect mediated through S1P receptor type 2, as shown by selective antagonism and S1P receptor type 2 small-interfering RNA knockdown. CONCLUSIONS Our data suggest that S1P released locally into the airways may be involved in the regulation of ASM hyperresponsiveness and hyperplasia, defining a novel target for future therapies.
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Affiliation(s)
- Thomas J A Maguire
- School of Immunology and Microbial Sciences, King's College London, London, United Kingdom; Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom
| | - Stephanie Yung
- Department of Adult Allergy, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Elena Ortiz-Zapater
- Randall Centre for Cell & Molecular Biophysics, King's College London, London, United Kingdom; Department of Biochemistry and Molecular Biology, Faculty of Medicina-IIS INCLIVA, University of Valencia, Valencia, Spain
| | - O Stephanie Kayode
- Department of Adult Allergy, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Stephen Till
- School of Immunology and Microbial Sciences, King's College London, London, United Kingdom; Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom
| | - Chris Corrigan
- School of Immunology and Microbial Sciences, King's College London, London, United Kingdom; Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom
| | - Leonard Q C Siew
- Department of Adult Allergy, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Gregory A Knock
- School of Immunology and Microbial Sciences, King's College London, London, United Kingdom
| | - Grzegorz Woszczek
- School of Immunology and Microbial Sciences, King's College London, London, United Kingdom; Asthma UK Centre in Allergic Mechanisms of Asthma, London, United Kingdom.
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Raevens S, Fallon MB. Fingolimod as a sphingolipid modulator in hepatopulmonary syndrome: A critical review. J Hepatol 2023; 79:e194-e195. [PMID: 37301264 DOI: 10.1016/j.jhep.2023.05.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023]
Affiliation(s)
- Sarah Raevens
- Department of Gastroenterology and Hepatology - Hepatology Research Unit, Ghent University - Ghent University Hospital, Ghent, Belgium.
| | - Michael B Fallon
- Department of Internal Medicine, University of Arizona College of Medicine, Phoenix, Arizona, USA
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Zhang F, Peng M, Zheng X, Wang X, Liu X, Chen C, Lu Y. Blocking sphingosine 1-phosphate receptor 1 with modulators reduces immune cells infiltration and alleviates endometriosis in mice. Reprod Biomed Online 2023; 47:103304. [PMID: 37757611 DOI: 10.1016/j.rbmo.2023.103304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 09/29/2023]
Abstract
RESEARCH QUESTION Do sphingosine 1-phosphate (S1P) modulators have therapeutic effects on endometriosis in mice and, if they do, which receptor is responsible for these effects? DESIGN A surgically induced endometriosis mouse model was established. In the pilot experiment, lesions were harvested to assess fibrosis and inflammation and determine the optimal concentration of a broad-spectrum S1P modulator, FTY720. Subsequently, FTY720 was compared with a selective S1P receptor 1 modulator, SEW2871 to evaluate their effects on endometriotic lesion growth, fibrosis, inflammation and immune cell infiltration. RESULTS The results demonstrated that both FTY720 and SEW2871, two S1P receptor modulators, effectively inhibited the growth and fibrosis of endometriotic lesions. SEW2871 inhibited inflammation-related cytokine expression, including PTGS-2, IL-1β, TNF-α and TGF-β1, more effectively compared with FTY720. Lymphopaenia was mainly caused by FTY720, whereas SEW2871 had a lesser effect. Both FTY720 and SEW2871 significantly reduced CD45+ cells (P = 0.002 and P = 0.032, respectively) and F4/80+ cells (P < 0.001 and P = 0.004, respectively) infiltration into the lesions, with FTY720 exerting a strong regulatory effect on CD4+ T cells. CONCLUSIONS This study suggests that S1P receptor 1 could be investigated as a potential novel therapeutic target for endometriosis in the future.
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Affiliation(s)
- Fengrui Zhang
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai 200011, People's Republic of China
| | - Mingyi Peng
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai 200011, People's Republic of China
| | - Xufen Zheng
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiaofang Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiaoxiao Liu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Chun Chen
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai 200011, People's Republic of China.
| | - Yuan Lu
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, 419 Fangxie Rd, Shanghai 200011, People's Republic of China.
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50
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Xiao S, Peng K, Li C, Long Y, Yu Q. The role of sphingosine-1-phosphate in autophagy and related disorders. Cell Death Discov 2023; 9:380. [PMID: 37852968 PMCID: PMC10584985 DOI: 10.1038/s41420-023-01681-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 10/03/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023] Open
Abstract
S1P, also referred to as sphingosine-1-phosphate, is a lipid molecule with bioactive properties involved in numerous cellular processes such as cell growth, movement, programmed cell death, self-degradation, cell specialization, aging, and immune system reactions. Autophagy is a meticulously controlled mechanism in which cells repurpose their elements to maintain cellular balance. There are five stages in autophagy: initiation, nucleation, elongation and maturation, fusion, and degradation. New research has provided insight into the complex connection between S1P and autophagy, uncovering their interaction in both normal and abnormal circumstances. Gaining knowledge about the regulatory mechanism of S1P signaling on autophagy can offer a valuable understanding of its function in well-being and illness, potentially leading to innovative therapeutic concepts for diverse ailments. Hence, this review analyzes the essential stages in mammalian autophagy, with a specific emphasis on recent research exploring the control of each stage by S1P. Additionally, it sheds light on the roles of S1P-induced autophagy in various disorders.
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Affiliation(s)
- Siqi Xiao
- Department of Gastroenterology & Hepatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Jiefang Avenue 1095#, Wuhan City, Hubei Province, 430030, P.R. China
| | - Kaixin Peng
- Department of Gastroenterology & Hepatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Jiefang Avenue 1095#, Wuhan City, Hubei Province, 430030, P.R. China
| | - Congxin Li
- Department of Gastroenterology & Hepatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Jiefang Avenue 1095#, Wuhan City, Hubei Province, 430030, P.R. China
| | - Yuanyuan Long
- Department of Gastroenterology & Hepatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Jiefang Avenue 1095#, Wuhan City, Hubei Province, 430030, P.R. China
| | - Qin Yu
- Department of Gastroenterology & Hepatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Jiefang Avenue 1095#, Wuhan City, Hubei Province, 430030, P.R. China.
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