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Alioli C, Demesmay L, Peyruchaud O, Machuca-Gayet I. Autotaxin/Lysophosphatidic Acid Axis: From Bone Biology to Bone Disorders. Int J Mol Sci 2022; 23:ijms23073427. [PMID: 35408784 PMCID: PMC8998661 DOI: 10.3390/ijms23073427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/18/2022] [Accepted: 03/19/2022] [Indexed: 02/01/2023] Open
Abstract
Lysophosphatidic acid (LPA) is a natural bioactive phospholipid with pleiotropic activities affecting multiple tissues, including bone. LPA exerts its biological functions by binding to G-protein coupled LPA receptors (LPA1-6) to stimulate cell migration, proliferation, and survival. It is largely produced by autotaxin (ATX), a secreted enzyme with lysophospholipase D activity that converts lysophosphatidylcholine (LPC) into active LPA. Beyond its enzymatic activity, ATX serves as a docking molecule facilitating the efficient delivery of LPA to its specific cell surface receptors. Thus, LPA effects are the result of local production by ATX in a given tissue or cell type. As a consequence, the ATX/LPA axis should be considered as an entity to better understand their roles in physiology and pathophysiology and to propose novel therapeutic strategies. Herein, we provide not only an extensive overview of the relevance of the ATX/LPA axis in bone cell commitment and differentiation, skeletal development, and bone disorders, but also discuss new working hypotheses emerging from the interplay of ATX/LPA with well-established signaling pathways regulating bone mass.
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Hu J, Lei H, Liu L, Xu D. Lipoprotein(a), a Lethal Player in Calcific Aortic Valve Disease. Front Cell Dev Biol 2022; 10:812368. [PMID: 35155427 PMCID: PMC8830536 DOI: 10.3389/fcell.2022.812368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/07/2022] [Indexed: 12/11/2022] Open
Abstract
Calcified aortic valve disease (CAVD) is the most common valvular cardiovascular disease with increasing incidence and mortality. The primary treatment for CAVD is surgical or transcatheter aortic valve replacement and there remains a lack of effective drug treatment. Recently, lipoprotein (a) (Lp(a)) has been considered to play a crucial role in CAVD pathophysiology. Multiple studies have shown that Lp(a) represents an independent risk factor for CAVD. Moreover, Lp(a) mediates the occurrence and development of CAVD by affecting aortic valve endothelial dysfunction, indirectly promoting foam cell formation through oxidized phospholipids (OxPL), inflammation, oxidative stress, and directly promotes valve calcification. However, there is a lack of clinical trials with Lp(a) reduction as a primary endpoint. This review aims to explore the relationship and mechanism between Lp(a) and CAVD, and focuses on the current drugs that can be used as potential therapeutic targets for CAVD.
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Affiliation(s)
- Jiahui Hu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province, Changsha, China
- Cardiovascular Disease Research Center of Hunan Province, Changsha, China
| | - Hao Lei
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province, Changsha, China
- Cardiovascular Disease Research Center of Hunan Province, Changsha, China
| | - Leiling Liu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province, Changsha, China
- Cardiovascular Disease Research Center of Hunan Province, Changsha, China
| | - Danyan Xu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
- Research Institute of Blood Lipid and Atherosclerosis, Central South University, Changsha, China
- Modern Cardiovascular Disease Clinical Technology Research Center of Hunan Province, Changsha, China
- Cardiovascular Disease Research Center of Hunan Province, Changsha, China
- *Correspondence: Danyan Xu,
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Expression of the type 1 lysophosphatidic acid receptor in osteoblastic cell lineage controls both bone mineralization and osteocyte specification. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158715. [DOI: 10.1016/j.bbalip.2020.158715] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/03/2020] [Accepted: 04/10/2020] [Indexed: 11/23/2022]
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Lipoprotein(a) as Orchestrator of Calcific Aortic Valve Stenosis. Biomolecules 2019; 9:biom9120760. [PMID: 31766423 PMCID: PMC6995555 DOI: 10.3390/biom9120760] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 12/13/2022] Open
Abstract
Aortic valve stenosis (AVS) is the most prevalent valvular heart disease in the Western World with exponentially increased incidence with age. If left untreated, the yearly mortality rates increase up to 25%. Currently, no effective pharmacological interventions have been established to treat or prevent AVS. The only treatment modality so far is surgical or transcatheter aortic valve replacement (AVR). Lipoprotein(a) [Lp(a)] has been implicated as a pivotal player in the pathophysiology of calcification of the valves. Patients with elevated levels of Lp(a) have a higher risk of hospitalization or mortality due to the presence of AVS. Multiple studies indicated Lp(a) as a likely causal and independent risk factor for AVS. This review discusses the most important findings and mechanisms related to Lp(a) and AVS in detail. During the progression of AVS, Lp(a) enters the aortic valve tissue at damaged sites of the valves. Subsequently, autotaxin converts lysophosphatidylcholine in lysophosphatidic acid (LysoPA) which in turn acts as a ligand for the LysoPA receptor. This triggers a nuclear factor-κB cascade leading to increased transcripts of interleukin 6, bone morphogenetic protein 2, and runt-related transcription factor 2. This progresses to the actual calcification of the valves through production of alkaline phosphatase and calcium depositions. Furthermore, this review briefly mentions potentially interesting therapies that may play a role in the treatment or prevention of AVS in the near future.
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Luo D, Li J, Chen K, Rong X, Guo J. Untargeted Metabolomics Reveals the Protective Effect of Fufang Zhenshu Tiaozhi (FTZ) on Aging-Induced Osteoporosis in Mice. Front Pharmacol 2019; 9:1483. [PMID: 30670964 PMCID: PMC6331458 DOI: 10.3389/fphar.2018.01483] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 12/03/2018] [Indexed: 01/25/2023] Open
Abstract
Fufang Zhenzhu Tiaozhi (FTZ), as an effective traditional Chinese medicine, has been prescribed for more than 20 years. It has proven clinical efficacy as a prescription for patients with dyslipidemia, glucocorticoid- and high-fat-induced osteoporosis, but its effect on osteoporosis induced by aging is still unclear. The aim of this study was to investigate the anti-osteoporosis effect of FTZ in aging mice and revealed its biochemical action mechanism using metabolomics. Model of primary osteoporosis induced by aging was established. The mice in treatment group received a therapeutic dose of oral FTZ extract once daily during the experiment. The model and control groups received the corresponding volume of oral normal saline solution. Plasma samples of all three groups were collected after 12 weeks. Clinical biochemical parameters and biomechanics were determined in the osteoporosis model induced by normal aging to evaluate anti-osteoporosis effect of FTZ. Ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) was used to analyze metabolic changes. The changes of histomorphometric and biomechanic parameters of femurs, as well as osteoblast and osteoclast activity indicated that FTZ administration reduced the risk of osteoporosis. Partial least squares discriminant analysis (PLS-DA) score plot revealed a clear separation trend between model and controls. Moreover, PLS-DA score plot indicated the anti-osteoporosis effect of FTZ with sphingosine 1-phosphate, LPA (16:0) and arachidonic acid (AA) among key biomarkers. The pivotal pathways revealed by pathway analysis including sphingolipid metabolism, glycerophospholipid metabolism, and AA metabolism. The mechanism by which FTZ reduces the risk of primary age-related osteoporosis in mice might be related to disorders of the above-mentioned pathways. FTZ has a protective effect against osteoporosis induced by aging, which may be mediated via interference with sphingolipid, glycerophospholipid, and AA metabolisms in mice.
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Affiliation(s)
- Duosheng Luo
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China.,Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Jingbiao Li
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China.,Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Kechun Chen
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China.,Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Xianglu Rong
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China.,Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Jiao Guo
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China.,Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
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Meshcheryakova A, Mechtcheriakova D, Pietschmann P. Sphingosine 1-phosphate signaling in bone remodeling: multifaceted roles and therapeutic potential. Expert Opin Ther Targets 2017; 21:725-737. [PMID: 28524744 PMCID: PMC5470107 DOI: 10.1080/14728222.2017.1332180] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction: Sphingolipids belong to a complex class of lipid molecules that are crucially involved in the regulation of important biological processes including proliferation, migration and apoptosis. Given the significant progress made in understanding the sphingolipid pathobiology of several diseases, sphingolipid-related checkpoints emerge as attractive targets. Recent data indicate the multifaceted contribution of the sphingolipid machinery to osteoclast – osteoblast crosstalk, representing one of the pivotal interactions underlying bone homeostasis. Imbalances in the interplay of osteoblasts and osteoclasts might lead to bone-related diseases such as osteoporosis, rheumatoid arthritis, and bone metastases. Areas covered: We summarize and analyze the progress made in bone research in the context of the current knowledge of sphingolipid-related mechanisms regulating bone remodeling. Particular emphasis was given to bioactive sphingosine 1-phosphate (S1P) and S1P receptors (S1PRs). Moreover, the mechanisms of how dysregulations of this machinery cause bone diseases, are covered. Expert opinion: In the context of bone diseases, pharmacological interference with sphingolipid machinery may lead to novel directions in therapeutic strategies. Implementation of knowledge derived from in vivo animal models and in vitro studies using pharmacological agents to manipulate the S1P/S1PRs axes suggests S1PR2 and S1PR3 as potential drug targets, particularly in conjunction with technology for local drug delivery.
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Affiliation(s)
- Anastasia Meshcheryakova
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
| | - Diana Mechtcheriakova
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
| | - Peter Pietschmann
- a Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology , Medical University of Vienna , Vienna , Austria
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Towler DA. Lipoprotein(a). JACC Basic Transl Sci 2017; 2:241-243. [PMID: 30062146 PMCID: PMC6034448 DOI: 10.1016/j.jacbts.2017.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chap H. Forty five years with membrane phospholipids, phospholipases and lipid mediators: A historical perspective. Biochimie 2016; 125:234-49. [PMID: 27059515 DOI: 10.1016/j.biochi.2016.04.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 04/01/2016] [Indexed: 01/02/2023]
Abstract
Phospholipases play a key role in the metabolism of phospholipids and in cell signaling. They are also a very useful tool to explore phospholipid structure and metabolism as well as membrane organization. They are at the center of this review, covering a period starting in 1971 and focused on a number of subjects in which my colleagues and I have been involved. Those include determination of phospholipid asymmetry in the blood platelet membrane, biosynthesis of lysophosphatidic acid, biochemistry of platelet-activating factor, first attempts to define the role of phosphoinositides in cell signaling, and identification of novel digestive (phospho)lipases such as pancreatic lipase-related protein 2 (PLRP2) or phospholipase B. Besides recalling some of our contributions to those various fields, this review makes an appraisal of the impressive and often unexpected evolution of those various aspects of membrane phospholipids and lipid mediators. It is also the occasion to propose some new working hypotheses.
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Affiliation(s)
- Hugues Chap
- Centre de Physiopathologie de Toulouse Purpan, Institut National de la Santé et de la Recherche Médicale, U1043, Toulouse F-31300, France; Centre National de la Recherche Scientifique, U5282, Toulouse F-31300, France; Université de Toulouse, Université Paul Sabatier, Toulouse F-31300, France. hugues.chap.@univ-tlse3.fr
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9
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Affiliation(s)
- Maximillian A Rogers
- From Center for Interdisciplinary Cardiovascular Sciences (M.A.R., E.A.) and Center for Excellence in Vascular Biology (E.A.), Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Elena Aikawa
- From Center for Interdisciplinary Cardiovascular Sciences (M.A.R., E.A.) and Center for Excellence in Vascular Biology (E.A.), Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
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Binder BYK, Williams PA, Silva EA, Leach JK. Lysophosphatidic Acid and Sphingosine-1-Phosphate: A Concise Review of Biological Function and Applications for Tissue Engineering. TISSUE ENGINEERING PART B-REVIEWS 2015; 21:531-42. [PMID: 26035484 DOI: 10.1089/ten.teb.2015.0107] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The presentation and controlled release of bioactive signals to direct cellular growth and differentiation represents a widely used strategy in tissue engineering. Historically, work in this field has primarily focused on the delivery of large cytokines and growth factors, which can be costly to manufacture and difficult to deliver in a sustained manner. There has been a marked increase over the past decade in the pursuit of lipid mediators due to their wide range of effects over multiple cell types, low cost, and ease of scale-up. Lysophosphatidic acid (LPA) and sphingosine-1-phosphate (S1P) are two bioactive lysophospholipids (LPLs) that have gained attention for use as pharmacological agents in tissue engineering applications. While these lipids can have similar effects on cellular response, they possess distinct chemical backbones, mechanisms of synthesis and degradation, and signaling pathways using a discrete set of G-protein-coupled receptors (GPCRs). LPA and S1P predominantly act extracellularly on their GPCRs and can directly regulate cell survival, differentiation, cytokine secretion, proliferation, and migration--each of the important functions that must be considered in regenerative medicine. In addition to these potent physiological functions, these LPLs play pivotal roles in a number of pathophysiological processes. To capitalize on the promise of these molecules in tissue engineering, these lipids have been incorporated into biomaterials for in vivo delivery. Here, we survey the effects of LPA and S1P on both cellular- and tissue-level phenotypes, with an eye toward regulating stem/progenitor cell growth and differentiation. In particular, we examine work that has translational applications for cell-based tissue engineering strategies in promoting cell survival, bone and cartilage engineering, and therapeutic angiogenesis.
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Affiliation(s)
- Bernard Y K Binder
- 1 Department of Biomedical Engineering, University of California , Davis, Davis, California
| | - Priscilla A Williams
- 1 Department of Biomedical Engineering, University of California , Davis, Davis, California
| | - Eduardo A Silva
- 1 Department of Biomedical Engineering, University of California , Davis, Davis, California
| | - J Kent Leach
- 1 Department of Biomedical Engineering, University of California , Davis, Davis, California.,2 Department of Orthopaedic Surgery, School of Medicine, University of California , Davis, Sacramento, California
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During A, Penel G, Hardouin P. Understanding the local actions of lipids in bone physiology. Prog Lipid Res 2015; 59:126-46. [PMID: 26118851 DOI: 10.1016/j.plipres.2015.06.002] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/12/2015] [Accepted: 06/18/2015] [Indexed: 12/19/2022]
Abstract
The adult skeleton is a metabolically active organ system that undergoes continuous remodeling to remove old and/or stressed bone (resorption) and replace it with new bone (formation) in order to maintain a constant bone mass and preserve bone strength from micro-damage accumulation. In that remodeling process, cellular balances--adipocytogenesis/osteoblastogenesis and osteoblastogenesis/osteoclastogenesis--are critical and tightly controlled by many factors, including lipids as discussed in the present review. Interest in the bone lipid area has increased as a result of in vivo evidences indicating a reciprocal relationship between bone mass and marrow adiposity. Lipids in bones are usually assumed to be present only in the bone marrow. However, the mineralized bone tissue itself also contains small amounts of lipids which might play an important role in bone physiology. Fatty acids, cholesterol, phospholipids and several endogenous metabolites (i.e., prostaglandins, oxysterols) have been purported to act on bone cell survival and functions, the bone mineralization process, and critical signaling pathways. Thus, they can be regarded as regulatory molecules important in bone health. Recently, several specific lipids derived from membrane phospholipids (i.e., sphingosine-1-phosphate, lysophosphatidic acid and different fatty acid amides) have emerged as important mediators in bone physiology and the number of such molecules will probably increase in the near future. The present paper reviews the current knowledge about: (1°) bone lipid composition in both bone marrow and mineralized tissue compartments, and (2°) local actions of lipids on bone physiology in relation to their metabolism. Understanding the roles of lipids in bone is essential to knowing how an imbalance in their signaling pathways might contribute to bone pathologies, such as osteoporosis.
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Affiliation(s)
- Alexandrine During
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France.
| | - Guillaume Penel
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France
| | - Pierre Hardouin
- Université Lille 2, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Faculté de Chirurgie dentaire, Lille, France; Université ULCO, Laboratoire de Physiopathologie des maladies osseuses inflammatoires (PMOI), EA4490, Boulogne-sur-Mer, France
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Abstract
Although several methods have been used in bone regeneration medicine, current methods still have many limitations. The tissue used for autogenous bone graft is limited and allograft has weak osteoinductive activity. Tissue engineering provides a good choice for bone regeneration. However, the growth factors needed have a high price and short half-life. Recently, a number of small molecules have been confirmed to have osteoinductive activity and some have been clinically used. Natural small molecules including decalpenic acid, flavonoids, quinones can be extracted from plants and others can be synthesized according to the structure designed or mimicking the structure of natural small molecules. Small molecules can act as co-activator of BMP2 pathway or activate Wnt pathway; others can be the inhibitors of NF-κB signaling pathway. This review gives an overview on the small molecules with osteoinductive activity and discusses the mechanism of the small molecules.
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