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Kim JH, Lee RM, Oh HB, Kim TY, Rhim H, Choi YK, Kim JH, Oh S, Kim DG, Cho IH, Nah SY. Atypical formations of gintonin lysophosphatidic acids as new materials and their beneficial effects on degenerative diseases. J Ginseng Res 2024; 48:1-11. [PMID: 38223830 PMCID: PMC10785247 DOI: 10.1016/j.jgr.2023.02.004] [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: 12/13/2022] [Accepted: 02/12/2023] [Indexed: 02/23/2023] Open
Abstract
Fresh ginseng is prone to spoilage due to its high moisture content. For long-term storage, most fresh ginsengs are dried to white ginseng (WG) or steamed for hours at high temperature/pressure and dried to form Korean Red ginseng (KRG). They are further processed for ginseng products when subjected to hot water extraction/concentration under pressure. These WG or KRG preparation processes affect ginsenoside compositions and also other ginseng components, probably during treatments like steaming and drying, to form diverse bioactive phospholipids. It is known that ginseng contains high amounts of gintonin lysophosphatidic acids (LPAs). LPAs are simple lipid-derived growth factors in animals and humans and act as exogenous ligands of six GTP-binding-protein coupled LPA receptor subtypes. LPAs play diverse roles ranging from brain development to hair growth in animals and humans. LPA-mediated signaling pathways involve various GTP-binding proteins to regulate downstream pathways like [Ca2+]i transient induction. Recent studies have shown that gintonin exhibits anti-Alzheimer's disease and anti-arthritis effects in vitro and in vivo mediated by gintonin LPAs, the active ingredients of gintonin, a ginseng-derived neurotrophin. However, little is known about how gintonin LPAs are formed in high amounts in ginseng compared to other herbs. This review introduces atypical or non-enzymatic pathways under the conversion of ginseng phospholipids into gintonin LPAs during steaming and extraction/concentration processes, which exert beneficial effects against degenerative diseases, including Alzheimer's disease and arthritis in animals and humans via LPA receptors.
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Affiliation(s)
- Ji-Hun Kim
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Ra Mi Lee
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Hyo-Bin Oh
- Department of Efficacy Study, Institute of Jinan Red Ginseng, Jeollabuk-do, Republic of Korea
| | - Tae-Young Kim
- Department of Efficacy Study, Institute of Jinan Red Ginseng, Jeollabuk-do, Republic of Korea
| | - Hyewhon Rhim
- Center for Neuroscience, Korea Institute of Science and Technology, Bio/Molecular Informatics Center, Republic of Korea
| | - Yoon Kyung Choi
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, Republic of Korea
| | - Jong-Hoon Kim
- College of Veterinary Medicine, Biosafety Research Institute, Chonbuk National University, Jeollabuk-do, Republic of Korea
| | - Seikwan Oh
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Do-Geun Kim
- Dementia Research Group, Korea Brain Research Institute, Daegu, Republic of Korea
| | - Ik-Hyun Cho
- Department of Convergence Medical Science, College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
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He H, Sugiyama A, Snyder NW, Teneche MG, Liu X, Maner-Smith KM, Goessling W, Hagen SJ, Ortlund EA, Najafi-Shoushtari SH, Acuña M, Cohen DE. Acyl-CoA thioesterase 12 suppresses YAP-mediated hepatocarcinogenesis by limiting glycerolipid biosynthesis. Cancer Lett 2023; 565:216210. [PMID: 37150501 DOI: 10.1016/j.canlet.2023.216210] [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: 12/21/2022] [Revised: 04/18/2023] [Accepted: 05/01/2023] [Indexed: 05/09/2023]
Abstract
Cancer cells use acetate to support the higher demand for energy and lipid biosynthesis during uncontrolled cell proliferation, as well as for acetylation of regulatory proteins. Acyl-CoA thioesterase 12 (Acot12) is the enzyme that hydrolyzes acetyl-CoA to acetate in liver cytosol and is downregulated in hepatocellular carcinoma (HCC). A mechanistic role for Acot12 in hepatocarcinogenesis was assessed in mice in response to treatment with diethylnitrosamine(DEN)/carbon tetrachloride (CCl4) administration or prolonged feeding of a diet that promotes non-alcoholic steatohepatitis (NASH). Relative to controls, Acot12-/- mice exhibited accelerated liver tumor formation that was characterized by the hepatic accumulation of glycerolipids, including lysophosphatidic acid (LPA), and that was associated with reduced Hippo signaling and increased yes-associated protein (YAP)-mediated transcriptional activity. In Acot12-/- mice, restoration of hepatic Acot12 expression inhibited hepatocarcinogenesis and YAP activation, as did knockdown of hepatic YAP expression. Excess LPA produced due to deletion of Acot12 signaled through LPA receptors (LPARs) coupled to Gα12/13 subunits to suppress YAP phosphorylation, thereby promoting its nuclear localization and transcriptional activity. These findings identify a protective role for Acot12 in suppressing hepatocarcinogenesis by limiting biosynthesis of glycerolipids including LPA, which preserves Hippo signaling.
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Affiliation(s)
- Haiyue He
- Division of Gastroenterology and Hepatology, Joan & Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Gastroenterology, Xiangya Hospital of Central South University, Hunan, China
| | - Akiko Sugiyama
- Division of Gastroenterology and Hepatology, Joan & Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, 10021, USA; Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Nathaniel W Snyder
- Center for Metabolic Disease Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19104, USA
| | - Marcos G Teneche
- Center for Metabolic Disease Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19104, USA
| | - Xiaowei Liu
- Department of Gastroenterology, Xiangya Hospital of Central South University, Hunan, China
| | - Kristal M Maner-Smith
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - Wolfram Goessling
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA; Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA, 02115, USA
| | - Susan J Hagen
- Division of Surgical Sciences, Department of Surgery, Beth Israel-Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Eric A Ortlund
- Department of Biochemistry, Emory University School of Medicine, Atlanta, GA, 30322, USA
| | - S Hani Najafi-Shoushtari
- Department of Cell and Developmental Biology, Weill Cornell Medicine, New York, NY, 10021, USA; Research Department, Weill Cornell Medicine-Qatar, Education City, Doha, Qatar
| | - Mariana Acuña
- Division of Gastroenterology and Hepatology, Joan & Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, 10021, USA; Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA.
| | - David E Cohen
- Division of Gastroenterology and Hepatology, Joan & Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY, 10021, USA; Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA; Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA, 02115, USA.
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3
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Tarannum N, Kumar D, Agrawal R. Facile Titrimetric Assay of Lysophosphatidic Acid in Human Serum and Plasma for Ovarian Cancer Detection. J Cancer Prev 2023; 28:31-39. [PMID: 37434795 PMCID: PMC10331031 DOI: 10.15430/jcp.2023.28.2.31] [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: 04/27/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 07/13/2023] Open
Abstract
Herein, an instrument free facile acid-base titrimetric methodology is reported for lysophosphatidic acid (LPA) measurement in serum and plasma samples for ovarian cancer detection. The concept is based on the titrimetric method in which alkaline solution was titrated with free fatty acid. Free fatty acid is generated due to action of the lysophospholipase to LPA. A phospholipid derivative known as LPA can function as a signaling molecule. A glycerol backbone serves as the foundation for phosphatidic acid, which also has bonds to an unsaturated fatty acid at carbon-1, a hydroxyl group at carbon-2, and a phosphate molecule at carbon-3. Free fatty acid and glycerol-3-phosphate are formed when LPA reacts with lysophospholipase. The formation of free fatty acid depends on the concentration of LPA. The standard graph of known concentrations of LPA, LPA spiked serum and LPA spiked plasma was plotted. The concentration of LPA in unknown serum and plasma were calculated from the standard graph. The limit of detection of LPA in spiked serum and plasma samples via titrimetric assay was calculated as 0.156 μmol/L. A patient's chance of survival may be outweighed by an early diagnosis of ovarian cancer.
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Affiliation(s)
- Nazia Tarannum
- Department of Chemistry, Chaudhary Charan Singh University, Meerut, India
| | - Deepak Kumar
- Department of Chemistry, Chaudhary Charan Singh University, Meerut, India
| | - Ranu Agrawal
- Department of Applied Science, Sir Chhotu Ram Institute of Engineering and Technology, Chaudhary Charan Singh University, Meerut, India
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Cerutis DR, Weston MD, Miyamoto T. Entering, Linked with the Sphinx: Lysophosphatidic Acids Everywhere, All at Once, in the Oral System and Cancer. Int J Mol Sci 2023; 24:10278. [PMID: 37373424 DOI: 10.3390/ijms241210278] [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: 05/04/2023] [Revised: 06/08/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Oral health is crucial to overall health, and periodontal disease (PDD) is a chronic inflammatory disease. Over the past decade, PDD has been recognized as a significant contributor to systemic inflammation. Here, we relate our seminal work defining the role of lysophosphatidic acid (LPA) and its receptors (LPARs) in the oral system with findings and parallels relevant to cancer. We discuss the largely unexplored fine-tuning potential of LPA species for biological control of complex immune responses and suggest approaches for the areas where we believe more research should be undertaken to advance our understanding of signaling at the level of the cellular microenvironment in biological processes where LPA is a key player so we can better treat diseases such as PDD, cancer, and emerging diseases.
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Affiliation(s)
- D Roselyn Cerutis
- Department of Oral Biology, Creighton University School of Dentistry, Omaha, NE 68178, USA
| | - Michael D Weston
- Department of Oral Biology, Creighton University School of Dentistry, Omaha, NE 68178, USA
| | - Takanari Miyamoto
- Department of Periodontics, Creighton University School of Dentistry, Omaha, NE 68178, USA
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Eymery MC, McCarthy AA, Hausmann J. Linking medicinal cannabis to autotaxin-lysophosphatidic acid signaling. Life Sci Alliance 2023; 6:e202201595. [PMID: 36623871 PMCID: PMC9834664 DOI: 10.26508/lsa.202201595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 11/25/2022] [Accepted: 11/25/2022] [Indexed: 01/11/2023] Open
Abstract
Autotaxin is primarily known for the formation of lysophosphatidic acid (LPA) from lysophosphatidylcholine. LPA is an important signaling phospholipid that can bind to six G protein-coupled receptors (LPA1-6). The ATX-LPA signaling axis is a critical component in many physiological and pathophysiological conditions. Here, we describe a potent inhibition of Δ9-trans-tetrahydrocannabinol (THC), the main psychoactive compound of medicinal cannabis and related cannabinoids, on the catalysis of two isoforms of ATX with nanomolar apparent EC50 values. Furthermore, we decipher the binding interface of ATX to THC, and its derivative 9(R)-Δ6a,10a-THC (6a10aTHC), by X-ray crystallography. Cellular experiments confirm this inhibitory effect, revealing a significant reduction of internalized LPA1 in the presence of THC with simultaneous ATX and lysophosphatidylcholine stimulation. Our results establish a functional interaction of THC with autotaxin-LPA signaling and highlight novel aspects of medicinal cannabis therapy.
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Affiliation(s)
- Mathias C Eymery
- European Molecular Biology Laboratory, Grenoble, Grenoble, France
| | | | - Jens Hausmann
- European Molecular Biology Laboratory, Grenoble, Grenoble, France
- European Molecular Biology Laboratory, Chemical Biology Core Facility, Heidelberg, Germany
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Hakala SM, Fujioka H, Gapp K, De Gasperin O, Genzoni E, Kilner RM, Koene JM, König B, Linksvayer TA, Meurville MP, Negroni MA, Palejowski H, Wigby S, LeBoeuf AC. Socially transferred materials: why and how to study them. Trends Ecol Evol 2022; 38:446-458. [PMID: 36543692 DOI: 10.1016/j.tree.2022.11.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/23/2022]
Abstract
When biological material is transferred from one individual's body to another, as in ejaculate, eggs, and milk, secondary donor-produced molecules are often transferred along with the main cargo, and influence the physiology and fitness of the receiver. Both social and solitary animals exhibit such social transfers at certain life stages. The secondary, bioactive, and transfer-supporting components in socially transferred materials have evolved convergently to the point where they are used in applications across taxa and type of transfer. The composition of these materials is typically highly dynamic and context dependent, and their components drive the physiological and behavioral evolution of many taxa. Our establishment of the concept of socially transferred materials unifies this multidisciplinary topic and will benefit both theory and applications.
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Sphingosine-1-Phosphate Alleviates Irradiation Induced Salivary Gland Hypofunction through Preserving Endothelial Cells and Resident Macrophages. Antioxidants (Basel) 2022; 11:antiox11102050. [PMID: 36290773 PMCID: PMC9598384 DOI: 10.3390/antiox11102050] [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: 07/31/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/25/2022] Open
Abstract
Radiotherapy for head-and-neck cancers frequently causes long-term hypofunction of salivary glands that severely compromises quality of life and is difficult to treat. Here, we studied effects and mechanisms of Sphingosine-1-phosphate (S1P), a versatile signaling sphingolipid, in preventing irreversible dry mouth caused by radiotherapy. Mouse submandibular glands (SMGs) were irradiated with or without intra-SMG S1P pretreatment. The saliva flow rate was measured following pilocarpine stimulation. The expression of genes related to S1P signaling and radiation damage was examined by flow cytometry, immunohistochemistry, quantitative RT-PCR, Western blotting, and/or single-cell RNA-sequencing. S1P pretreatment ameliorated irradiation-induced salivary dysfunction in mice through a decrease in irradiation-induced oxidative stress and consequent apoptosis and cellular senescence, which is related to the enhancement of Nrf2-regulated anti-oxidative response. In mouse SMGs, endothelial cells and resident macrophages are the major cells capable of producing S1P and expressing the pro-regenerative S1P receptor S1pr1. Both mouse SMGs and human endothelial cells are protected from irradiation damage by S1P pretreatment, likely through the S1pr1/Akt/eNOS axis. Moreover, intra-SMG-injected S1P did not affect the growth and radiosensitivity of head-and-neck cancer in a mouse model. These data indicate that S1P signaling pathway is a promising target for alleviating irradiation-induced salivary gland hypofunction.
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Huang X, Feng B, Liu M, Liu Z, Li S, Zeng W. Preclinical detection of lysophosphatidic acid: A new window for ovarian cancer diagnostics. Talanta 2022; 247:123561. [DOI: 10.1016/j.talanta.2022.123561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/29/2022] [Accepted: 05/14/2022] [Indexed: 12/17/2022]
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Tarannum N, Kumar D, Agrawal R, Verma Y. Selectively Imprinted β‐cyclodextrin Polymer for Colorimetric Assay of Lysophosphatidic Acid for Point of Care Detection of Ovarian Cancer. ChemistrySelect 2022. [DOI: 10.1002/slct.202202027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Nazia Tarannum
- Department of Chemistry Chaudhary Charan Singh University Meerut 250004 India
| | - Deepak Kumar
- Department of Chemistry Chaudhary Charan Singh University Meerut 250004 India
| | - Ranu Agrawal
- Department of Applied Science SCRIET Chaudhary Charan Singh University Meerut 250004 India
| | - Yeshvandra Verma
- Department of Toxicology Chaudhary Charan Singh University Meerut 250004 India
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Rafiyan M, Abadi MHJN, Zadeh SST, Hamblin MR, Mousavi M, Mirzaei H. Lysophosphatidic Acid Signaling and microRNAs: New Roles in Various Cancers. Front Oncol 2022; 12:917471. [PMID: 35814375 PMCID: PMC9259992 DOI: 10.3389/fonc.2022.917471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/24/2022] [Indexed: 11/13/2022] Open
Abstract
A wide range of microRNAs (miRNAs) are coded for in the human genome and contribute to the regulation of gene expression. MiRNAs are able to degrade mRNAs and/or prevent the RNA transcript from being translated through complementary binding of the miRNA seed region (nucleotide 2-8) to the 3’-untranslated regions of many mRNAs. Although miRNAs are involved in almost all processes of normal human cells, they are also involved in the abnormal functions of cancer cells. MiRNAs can play dual regulatory roles in cancer, acting either as tumor suppressors or as tumor promoters, depending on the target, tumor type, and stage. In the current review, we discuss the present status of miRNA modulation in the setting of lysophosphatidic acid (LPA) signaling. LPA is produced from lysophosphatidylcholine by the enzyme autotaxin and signals via a range of G protein-coupled receptors to affect cellular processes, which ultimately causes changes in cell morphology, survival, proliferation, differentiation, migration, and adhesion. Several studies have identified miRNAs that are over-expressed in response to stimulation by LPA, but their functional roles have not yet been fully clarified. Since RNA-based treatments hold tremendous promise in the area of personalized medicne, many efforts have been made to bring miRNAs into clinical trials, and this field is evolving at an increasing pace.
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Affiliation(s)
- Mahdi Rafiyan
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | | | | | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Mahboubeh Mousavi
- Department of Anatomy, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
- *Correspondence: Mahboubeh Mousavi, ; Hamed Mirzaei, ;
| | - Hamed Mirzaei
- Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
- *Correspondence: Mahboubeh Mousavi, ; Hamed Mirzaei, ;
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Apte A, Manich M, Labruyère E, Datta S. PI Kinase-EhGEF2-EhRho5 axis contributes to LPA stimulated macropinocytosis in Entamoeba histolytica. PLoS Pathog 2022; 18:e1010550. [PMID: 35594320 PMCID: PMC9173640 DOI: 10.1371/journal.ppat.1010550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 06/07/2022] [Accepted: 04/26/2022] [Indexed: 12/04/2022] Open
Abstract
Entamoeba histolytica is a protozoan responsible for several pathologies in humans. Trophozoites breach the intestinal site to enter the bloodstream and thus traverse to a secondary site. Macropinocytosis and phagocytosis, collectively accounting for heterophagy, are the two major processes responsible for sustenance of Entamoeba histolytica within the host. Both of these processes require significant rearrangements in the structure to entrap the target. Rho GTPases play an indispensable role in mustering proteins that regulate cytoskeletal remodelling. Unlike phagocytosis which has been studied in extensive detail, information on machinery of macropinocytosis in E. histolytica is still limited. In the current study, using site directed mutagenesis and RNAi based silencing, coupled with functional studies, we have demonstrated the involvement of EhRho5 in constitutive and LPA stimulated macropinocytosis. We also report that LPA, a bioactive phospholipid present in the bloodstream of the host, activates EhRho5 and translocates it from cytosol to plasma membrane and endomembrane compartments. Using biochemical and FRAP studies, we established that a PI Kinase acts upstream of EhRho5 in LPA mediated signalling. We further identified EhGEF2 as a guanine nucleotide exchange factor of EhRho5. In the amoebic trophozoites, EhGEF2 depletion leads to reduced macropinocytic efficiency of trophozoites, thus phenocopying its substrate. Upon LPA stimulation, EhGEF2 is found to sequester near the plasma membrane in a wortmannin sensitive fashion, explaining a possible mode for activation of EhRho5 in the amoebic trophozoites. Collectively, we propose that LPA stimulated macropinocytosis in E. histolytica is driven by the PI Kinase-EhGEF2-EhRho5 axis. Entamoeba histolytica is an enteric parasite in humans, which leads to various pathologies like dysentery, diarrhoea and abscess formation. Host cells are known to secrete chemokines and growth factors, which are utilized by trophozoites for sustenance and pathogenesis. The sustenance of this parasite within the host requires nutrient uptake, which involves macropinocytosis and phagocytosis. However, the regulation of macropinocytosis is less explored in E. histolytica. We have established for the first time that constitutive as well as LPA stimulated macropinocytosis in amoebic trophozoites functions via PI Kinase-EhGEF2-EhRho5 axis. We also excavated the dynamicity and the spatio-temporal regulation of EhRho5 activity and the associated dynamics in the LPA stimulated cells.
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Affiliation(s)
- Achala Apte
- Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh, India
| | - Maria Manich
- Bioimage Analysis Unit, Institut Pasteur, Paris, France
| | | | - Sunando Datta
- Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh, India
- * E-mail:
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Abstract
Lysophospholipids, exemplified by lysophosphatidic acid (LPA) and sphingosine 1-phosphate (S1P), are produced by the metabolism and perturbation of biological membranes. Both molecules are established extracellular lipid mediators that signal via specific G protein-coupled receptors in vertebrates. This widespread signaling axis regulates the development, physiological functions, and pathological processes of all organ systems. Indeed, recent research into LPA and S1P has revealed their important roles in cellular stress signaling, inflammation, resolution, and host defense responses. In this review, we focus on how LPA regulates fibrosis, neuropathic pain, abnormal angiogenesis, endometriosis, and disorders of neuroectodermal development such as hydrocephalus and alopecia. In addition, we discuss how S1P controls collective behavior, apoptotic cell clearance, and immunosurveillance of cancers. Advances in lysophospholipid research have led to new therapeutics in autoimmune diseases, with many more in earlier stages of development for a wide variety of diseases, such as fibrotic disorders, vascular diseases, and cancer.
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Affiliation(s)
- Kuniyuki Kano
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan; , .,AMED-LEAP, Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo 113-0033, Japan; , .,AMED-LEAP, Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital, Boston, Massachusetts 02115, USA; .,Department of Surgery, Harvard Medical School, Boston, Massachusetts 02115, USA
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Lee R, Lee BH, Choi SH, Cho YJ, Cho HS, Kim HC, Rhim H, Cho IH, Rhee MH, Nah SY. Effects of Gintonin-enriched fraction on the gene expression of six lysophosphatidic receptor subtypes. J Ginseng Res 2021; 45:583-590. [PMID: 34803428 PMCID: PMC8587509 DOI: 10.1016/j.jgr.2021.02.006] [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: 10/28/2020] [Accepted: 02/17/2021] [Indexed: 11/03/2022] Open
Abstract
Background Gintonin, isolated from ginseng, acts as a ginseng-derived lysophosphatidic acid (LPA) receptor ligand and elicits the [Ca2+]i transient through six LPA receptor subtypes (LPARSs). However, the long-term effects of gintonin-enriched fraction (GEF) on the gene expression of six LPARSs remain unknown. We examined changes in the gene expression of six LPA receptors in the mouse whole brain, heart, lungs, liver, kidneys, spleen, small intestine, colon, and testis after long-term oral GEF administration. Methods C57BL/6 mice were divided into two groups: control vehicle and GEF (100 mg/kg, p.o.). After 21-day saline or GEF treatment, total RNA was extracted from nine mouse organs. Quantitative-real-time PCR (qRT-PCR) and western blot were performed to quantify changes in the gene and protein expression of the six LPARSs, respectively. Results qRT-PCR analysis before GEF treatment revealed that the LPA6 RS was predominant in all organs except the small intestine. The LPA2 RS was most abundant in the small intestine. Long-term GEF administration differentially regulated the six LPARSs. Upon GEF treatment, the LPA6 RS significantly increased in the liver, small intestine, colon, and testis but decreased in the whole brain, heart, lungs, and kidneys. Western blot analysis of the LPA6 RS confirmed the differential effects of GEF on LPA6 receptor protein levels in the whole brain, liver, small intestine, and testis. Conclusion The LPA6 receptor was predominantly expressed in all nine organs examined; long-term oral GEF administration differentially regulated LPA3, LPA4, and LPA6 receptors in the whole brain, heart, lungs, liver, kidneys, small intestine, and testis.
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Affiliation(s)
- Rami Lee
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Byung-Hwan Lee
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Sun-Hye Choi
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Yeon-Jin Cho
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Han-Sung Cho
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Hyoung-Chun Kim
- Neuropsychopharmacology and Toxicology program, College of Pharmacy, Kangwon National University, Chunchon, Republic of Korea
| | - Hyewhon Rhim
- Center for Neuroscience, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Ik-Hyun Cho
- Department of Convergence Medical Science, Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Man Hee Rhee
- Laboratory of Veterinary Physiology and Cell Signaling, College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
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Fat of the Gut: Epithelial Phospholipids in Inflammatory Bowel Diseases. Int J Mol Sci 2021; 22:ijms222111682. [PMID: 34769112 PMCID: PMC8584226 DOI: 10.3390/ijms222111682] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/20/2021] [Accepted: 10/27/2021] [Indexed: 12/15/2022] Open
Abstract
Inflammatory bowel diseases (IBD) comprise a distinct set of clinical symptoms resulting from chronic inflammation within the gastrointestinal (GI) tract. Despite the significant progress in understanding the etiology and development of treatment strategies, IBD remain incurable for thousands of patients. Metabolic deregulation is indicative of IBD, including substantial shifts in lipid metabolism. Recent data showed that changes in some phospholipids are very common in IBD patients. For instance, phosphatidylcholine (PC)/phosphatidylethanolamine (PE) and lysophosphatidylcholine (LPC)/PC ratios are associated with the severity of the inflammatory process. Composition of phospholipids also changes upon IBD towards an increase in arachidonic acid and a decrease in linoleic and a-linolenic acid levels. Moreover, an increase in certain phospholipid metabolites, such as lysophosphatidylcholine, sphingosine-1-phosphate and ceramide, can result in enhanced intestinal inflammation, malignancy, apoptosis or necroptosis. Because some phospholipids are associated with pathogenesis of IBD, they may provide a basis for new strategies to treat IBD. Current attempts are aimed at controlling phospholipid and fatty acid levels through the diet or via pharmacological manipulation of lipid metabolism.
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15
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Biologically active lipids in the regulation of lymphangiogenesis in disease states. Pharmacol Ther 2021; 232:108011. [PMID: 34614423 DOI: 10.1016/j.pharmthera.2021.108011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/31/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023]
Abstract
Lymphatic vessels have crucial roles in the regulation of interstitial fluids, immune surveillance, and the absorption of dietary fat in the intestine. Lymphatic function is also closely related to the pathogenesis of various disease states such as inflammation, lymphedema, endometriosis, liver dysfunction, and tumor metastasis. Lymphangiogenesis, the formation of new lymphatic vessels from pre-existing lymphatic vessels, is a critical determinant in the above conditions. Although the effect of growth factors on lymphangiogenesis is well-characterized, and biologically active lipids are known to affect smooth muscle contractility and vasoaction, there is accumulating evidence that biologically active lipids are also important inducers of growth factors and cytokines that regulate lymphangiogenesis. This review discusses recent advances in our understanding of biologically active lipids, including arachidonic acid metabolites, sphingosine 1-phosphate, and lysophosphatidic acid, as regulators of lymphangiogenesis, and the emerging importance of the lymphangiogenesis as a therapeutic target.
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16
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Van Sciver N, Ohashi M, Pauly NP, Bristol JA, Nelson SE, Johannsen EC, Kenney SC. Hippo signaling effectors YAP and TAZ induce Epstein-Barr Virus (EBV) lytic reactivation through TEADs in epithelial cells. PLoS Pathog 2021; 17:e1009783. [PMID: 34339458 PMCID: PMC8360610 DOI: 10.1371/journal.ppat.1009783] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 08/12/2021] [Accepted: 07/05/2021] [Indexed: 12/13/2022] Open
Abstract
The Epstein-Barr virus (EBV) human herpesvirus is associated with B-cell and epithelial-cell malignancies, and both the latent and lytic forms of viral infection contribute to the development of EBV-associated tumors. Here we show that the Hippo signaling effectors, YAP and TAZ, promote lytic EBV reactivation in epithelial cells. The transcriptional co-activators YAP/TAZ (which are inhibited by Hippo signaling) interact with DNA-binding proteins, particularly TEADs, to induce transcription. We demonstrate that depletion of either YAP or TAZ inhibits the ability of phorbol ester (TPA) treatment, cellular differentiation or the EBV BRLF1 immediate-early (IE) protein to induce lytic EBV reactivation in oral keratinocytes, and show that over-expression of constitutively active forms of YAP and TAZ reactivate lytic EBV infection in conjunction with TEAD family members. Mechanistically, we find that YAP and TAZ interact with, and activate, the EBV BZLF1 immediate-early promoter. Furthermore, we demonstrate that YAP, TAZ, and TEAD family members are expressed at much higher levels in epithelial cell lines in comparison to B-cell lines, and find that EBV infection of oral keratinocytes increases the level of activated (dephosphorylated) YAP and TAZ. Finally, we have discovered that lysophosphatidic acid (LPA), a known YAP/TAZ activator that plays an important role in inflammation, induces EBV lytic reactivation in epithelial cells through a YAP/TAZ dependent mechanism. Together these results establish that YAP/TAZ are powerful inducers of the lytic form of EBV infection and suggest that the ability of EBV to enter latency in B cells at least partially reflects the extremely low levels of YAP/TAZ and TEADs in this cell type.
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Affiliation(s)
- Nicholas Van Sciver
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
- Cellular and Molecular Pathology Graduate Training Program, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
| | - Makoto Ohashi
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
| | - Nicholas P. Pauly
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
| | - Jillian A. Bristol
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
| | - Scott E. Nelson
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
| | - Eric C. Johannsen
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Shannon C. Kenney
- Department of Oncology, School of Medicine and Public Health, University of Wisconsin- Madison, Madison, Wisconsin, United States of America
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
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17
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Taleb SJ, Wei J, Mialki RK, Dong S, Li Y, Zhao J, Zhao Y. A blocking peptide stabilizes lysophosphatidic acid receptor 1 and promotes lysophosphatidic acid-induced cellular responses. J Cell Biochem 2021; 122:827-834. [PMID: 33847006 DOI: 10.1002/jcb.29919] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/09/2021] [Accepted: 02/18/2021] [Indexed: 11/06/2022]
Abstract
G protein-coupled receptors regulate a variety of cellular responses and have been considered as therapeutic targets for human diseases. Lysophosphatidic acid receptor 1 (LPA1) is a receptor for bioactive lysophospholipid, LPA. LPA/LPA1-mediated signaling contributes to inflammatory and fibrotic responses in lung diseases; thus understanding regulation of LPA1 stability is important for modulating LPA/LPA1 signaling. Our previous study has shown that LPA1 is degraded in the Nedd4 like (Nedd4L) E3 ubiquitin ligase-mediated ubiquitin-proteasome system. In the current study, we attempt to identify a peptide that stabilizes LPA1 through disrupting LPA1 association with Nedd4L. LPA treatment induces both endogenous and overexpressed LPA1 degradation, which is attenuated by a proteasome inhibitor, suggesting that LPA1 is degraded in the proteasome. LPA increases phosphorylation of extracellular signal-regulated kinase 1/2 (Erk1/2) and I-κB kinase in lung epithelial cells, and this effect is promoted by overexpression of a peptide (P1) that mimics C-terminal of LPA1. P1, not a control peptide, attenuates LPA-induced LPA1 ubiquitination and degradation, suggesting that P1 stabilizes LPA1. Further, P1 diminishes Nedd4L-mediated degradation of LPA1 and Nedd4L/LPA1 association. In addition to increasing LPA1 signaling, P1 enhances LPA-induced cell migration and gene expression of Elafin, matrix metallopeptidase 1, and serpin family B member 2 in lung epithelial cells. These data suggest that disruption of LPA1 interaction with Nedd4L by P1 increases LPA1 stability and LPA/LPA1 signaling.
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Affiliation(s)
- Sarah J Taleb
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Jianxin Wei
- Department of Medicine, The University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Rachel K Mialki
- Department of Medicine, The University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Su Dong
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Yanhui Li
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA
| | - Jing Zhao
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA.,Pulmonary, Critical Care and Sleep Medicine Division, The Ohio State University, Columbus, Ohio, USA
| | - Yutong Zhao
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, USA.,Pulmonary, Critical Care and Sleep Medicine Division, The Ohio State University, Columbus, Ohio, USA
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18
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Suppressing postcollection lysophosphatidic acid metabolism improves the precision of plasma LPA quantification. J Lipid Res 2021; 62:100029. [PMID: 33524376 PMCID: PMC7937979 DOI: 10.1016/j.jlr.2021.100029] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/11/2021] [Accepted: 01/22/2021] [Indexed: 12/31/2022] Open
Abstract
Lysophosphatidic acid (LPA) is a potent signaling lipid, and state-dependent alterations in plasma LPA make it a promising diagnostic marker for various diseases. However, plasma LPA concentrations vary widely among reports, even under normal conditions. These variations can be attributed, at least in part, to the artificial metabolism of LPA after blood collection. Here, we aimed to develop an optimized plasma preparation method that reflects the concentration of LPA in the circulating blood. The main features of the devised method were suppression of both LPA production and degradation after blood collection by keeping whole blood samples at low temperature followed by the addition of an autotaxin inhibitor to plasma samples. Using this devised method, the LPA level did not change for 30 min after blood collection. Also, human and mouse LPA levels were found to be much lower than those previously reported, ranging from 40 to 50 nM with minimal variation across the individual. Finally, the increased accuracy made it possible to detect circadian rhythms in the levels of certain LPA species in mouse plasma. These results demonstrate the usefulness of the devised plasma preparation method to determine accurate plasma LPA concentrations.
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19
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Chiang JC, Chen WM, Lin KH, Hsia K, Ho YH, Lin YC, Shen TL, Lu JH, Chen SK, Yao CL, Chen BPC, Lee H. Lysophosphatidic acid receptors 2 and 3 regulate erythropoiesis at different hematopoietic stages. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1866:158818. [PMID: 33035680 DOI: 10.1016/j.bbalip.2020.158818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/17/2020] [Accepted: 09/23/2020] [Indexed: 12/13/2022]
Abstract
Hematopoiesis, the complex developmental process that forms blood components and replenishes the blood system, involves multiple intracellular and extracellular mechanisms. We previously demonstrated that lysophosphatidic acid (LPA), a lipid growth factor, has opposing regulatory effects on erythrocyte differentiation through activation of LPA receptors 2 and 3; yet the mechanisms underlying this process remain unclear. In this study, LPA2 is observed that highly expressed in common myeloid progenitors (CMP) in murine myeloid cells, whereas the expression of LPA3 displaces in megakaryocyte-erythroid progenitors (MEP) of later stage of myeloid differentiation. Therefore, we hypothesized that the switching expression of LPA2 and LPA3 determine the hematic homeostasis of mammalian megakaryocytic-erythroid lineage. In vitro colony-forming unit assays of murine progenitors reveal that LPA2 agonist GRI reduces the erythroblast differentiation potential of CMP. In contrast, LPA3 agonist OMPT increases the production of erythrocytes from megakaryocyte-erythrocyte progenitor cells (MEP). In addition, treatment with GRI reduces the erythroid, CMP, and MEP populations in mice, indicating that LPA2 predominantly inhibits myeloid differentiation at an early stage. In contrast, activation of LPA3 increases the production of terminally differentiated erythroid cells through activation of erythropoietic transcriptional factor. We also demonstrate that the LPA3 signaling is essential for restoration of phenylhydrazine (PHZ)-induced acute hemolytic anemia in mice and correlates to erythropoiesis impairment of Hutchinson-Gilford progeria Symptom (HGPS) premature aging expressed K562 model. Our results reveal the distinct roles of LPA2 and LPA3 at different stages of hematopoiesis in vivo, providing potentiated therapeutic strategies of anemia treatment.
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Affiliation(s)
- Jui-Chung Chiang
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Wei-Min Chen
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kuan-Hung Lin
- Department of Life Science, National Taiwan University, Taipei, Taiwan
| | - Kai Hsia
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ya-Hsuan Ho
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, Cambridge, United Kingdom
| | - Yueh-Chien Lin
- Department of Life Science, National Taiwan University, Taipei, Taiwan
| | - Tang-Long Shen
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei, Taiwan; Center for Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Jen-Her Lu
- Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Surgery, Medicine & Pediatrics, School of Medicine, National Defense Medical Center, Taipei, Taiwan; Department of Pediatrics, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Shih-Kuo Chen
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan
| | - Chao-Ling Yao
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan
| | - Benjamin P C Chen
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Hsinyu Lee
- Department of Life Science, National Taiwan University, Taipei, Taiwan; Center for Biotechnology, National Taiwan University, Taipei, Taiwan; Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan; Angiogenesis Research Center, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan.
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20
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Murota K. Digestion and absorption of dietary glycerophospholipids in the small intestine: Their significance as carrier molecules of choline and n-3 polyunsaturated fatty acids. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101633] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Tang X, Benesch MGK, Brindley DN. Role of the autotaxin-lysophosphatidate axis in the development of resistance to cancer therapy. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158716. [PMID: 32305571 DOI: 10.1016/j.bbalip.2020.158716] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/31/2020] [Accepted: 04/09/2020] [Indexed: 12/17/2022]
Abstract
Autotaxin (ATX) is a secreted enzyme that hydrolyzes lysophosphatidylcholine to produce lysophosphatidate (LPA), which signals through six G-protein coupled receptors (GPCRs). Signaling through LPA is terminated by its degradation by a family of three lipid phosphate phosphatases (LPPs). LPP1 also attenuates signaling downstream of the activation of LPA receptors and some other GPCRs. The ATX-LPA axis mediates a plethora of activities such as cell proliferation, survival, migration, angiogenesis and inflammation, which perform an important role in facilitating wound healing. This wound healing response is hijacked by cancers where there is decreased expression of LPP1 and LPP3 and increased expression of ATX. This maladaptive regulation of LPA signaling also causes chronic inflammation, which has been recognized as one of the hallmarks in cancer. The increased LPA signaling promotes cell survival and migration and attenuates apoptosis, which stimulates tumor growth and metastasis. The wound healing functions of increased LPA signaling also protect cancer cells from effects of chemotherapy and radiotherapy. In this review, we will summarize knowledge of the ATX-LPA axis and its role in the development of resistance to chemotherapy and radiotherapy. We will also offer insights for developing strategies of targeting ATX-LPA axis as a novel part of cancer treatment. This article is part of a Special Issue entitled Lysophospholipids and their receptors: New data and new insights into their function edited by Susan Smyth, Viswanathan Natarajan and Colleen McMullen.
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Affiliation(s)
- Xiaoyun Tang
- Department of Biochemistry, University of Alberta, Edmonton T6G 2S2, Canada; Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Canada
| | - Matthew G K Benesch
- Department of Biochemistry, University of Alberta, Edmonton T6G 2S2, Canada; Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Canada; Discipline of Surgery, Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador A1B 3V6, Canada
| | - David N Brindley
- Department of Biochemistry, University of Alberta, Edmonton T6G 2S2, Canada; Cancer Research Institute of Northern Alberta, University of Alberta, Edmonton T6G 2S2, Canada.
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22
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Hashimura S, Kido J, Matsuda R, Yokota M, Matsui H, Inoue-Fujiwara M, Inagaki Y, Hidaka M, Tanaka T, Tsutsumi T, Nagata T, Tokumura A. A low level of lysophosphatidic acid in human gingival crevicular fluid from patients with periodontitis due to high soluble lysophospholipase activity: Its potential protective role on alveolar bone loss by periodontitis. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1865:158698. [PMID: 32179099 DOI: 10.1016/j.bbalip.2020.158698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 03/11/2020] [Accepted: 03/12/2020] [Indexed: 01/21/2023]
Abstract
We previously detected a submicromolar concentration of lysophosphatidic acid (LPA) in human saliva. Here, we compare LPA concentrations in human gingival crevicular fluid (GCF) from patients with periodontitis and healthy controls, and examine how the local LPA levels are regulated enzymatically. The concentrations of LPA and its precursor lysophospholipids in GCF was measured by liquid chromatography-tandem mass spectrometry. The LPA-producing and LPA-degrading enzymatic activities were measured by quantifying the liberated choline and free fatty acid, respectively. The concentration of LPA in GCF of periodontitis patients was lower than that of healthy controls, due to higher soluble lysophospholipase activity toward LPA. LPA was found to prevent survival of Sa3, a human gingival epithelium-derived tumor cell line, activate Sa3 through Ca2+ mobilization, and release interleukin 6 from Sa3 in vitro. Furthermore, local injection of LPA into the gingiva attenuated ligature-induced experimental alveolar bone loss induced by oral bacteria inoculation in a rat model of periodontitis in vivo. A high concentration of LPA in human GCF is necessary to maintain normal gingival epithelial integrity and function, protecting the progression of periodontitis.
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Affiliation(s)
- Satoru Hashimura
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan
| | - Junichi Kido
- Department of Periodontology and Endodontology, Institute of Biomedical Sciences, Tokushima University Graduate School, Kuramoto, Tokushioma 770-8504, Japan
| | - Risa Matsuda
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan
| | - Miho Yokota
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan
| | - Hirokazu Matsui
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan
| | - Manami Inoue-Fujiwara
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan
| | - Yuji Inagaki
- Department of Periodontology and Endodontology, Institute of Biomedical Sciences, Tokushima University Graduate School, Kuramoto, Tokushioma 770-8504, Japan
| | - Mayumi Hidaka
- Department of Life Science, Faculty of Pharmacy, Yasuda Women's University, Hiroshima 730-0153, Japan
| | - Tamotsu Tanaka
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan; Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima 770-8502, Japan
| | - Toshihiko Tsutsumi
- Department of Pharmaceutical Sciences, Kyushu University of Health and Welfare, Nobeoka 882-8508, Japan
| | - Toshihiko Nagata
- Department of Periodontology and Endodontology, Institute of Biomedical Sciences, Tokushima University Graduate School, Kuramoto, Tokushioma 770-8504, Japan
| | - Akira Tokumura
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Shomachi, Tokushima 770-8505, Japan; Department of Life Science, Faculty of Pharmacy, Yasuda Women's University, Hiroshima 730-0153, Japan.
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23
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Yang N, Wang H, Lin H, Liu J, Zhou B, Chen X, Wang C, Liu J, Li P. Comprehensive metabolomics analysis based on UPLC-Q/TOF-MS E and the anti-COPD effect of different parts of Celastrus orbiculatus Thunb. RSC Adv 2020; 10:8396-8420. [PMID: 35497836 PMCID: PMC9049960 DOI: 10.1039/c9ra09965d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 02/18/2020] [Indexed: 11/26/2022] Open
Abstract
The root, stem and leaf of Celastrus orbiculatus Thunb. (COT) have all been used as Chinese folk medicine. Aiming at revealing the secondary metabolites and screening the anti-COPD effect of COT, the comprehensive phytochemical and bioassay studies were performed. Based on the ultra-high performance liquid chromatography combined with quadrupole time-of-flight mass spectrometry (UPLC-Q/TOF-MSE), the screening analysis of components in COT was conducted with the UNIFI platform, the metabolomics of the three parts were analyzed with multivariate statistical analysis. Cigarette smoke extract (CSE)-stimulated inflammatory model in A549 cells was used to investigate the biological effect of the three parts. A total of 120 compounds were identified or tentatively characterized from COT. Metabolomics analysis showed that the three parts of COT were differentiated, and there were 13, 8 and 5 potential chemical markers discovered from root, stem and leaf, respectively. Five robust chemical markers with high responses could be used for further quality control in different parts of COT. The root, stem and leaf of COT could evidently reduce the levels of pro-inflammatory factors in a dose-dependent way within a certain concentration range. The stem part had a stronger anti-COPD effect than root and leaf parts. This study clarified the structural diversity of secondary metabolites and the various patterns in different parts of COT, and provided a theoretical basis for further utilization and development of COT.
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Affiliation(s)
- Na Yang
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Han Wang
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Hongqiang Lin
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Junli Liu
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Baisong Zhou
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Xiaoling Chen
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
| | - Cuizhu Wang
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
- Research Center of Natural Drug, Jilin University Changchun 130021 Jilin China
| | - Jinping Liu
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
- Research Center of Natural Drug, Jilin University Changchun 130021 Jilin China
| | - Pingya Li
- School of Pharmaceutical Sciences, Jilin University Fujin Road 126 Changchun 130021 Jilin China +86-431-85619803
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24
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De La Franier B, Thompson M. Detection of the Ovarian Cancer Biomarker Lysophosphatidic Acid in Serum. BIOSENSORS-BASEL 2020; 10:bios10020013. [PMID: 32075013 PMCID: PMC7168251 DOI: 10.3390/bios10020013] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/06/2020] [Accepted: 02/11/2020] [Indexed: 02/07/2023]
Abstract
Lysophosphatidic acid (LPA) is present during the medical condition of ovarian cancer at all stages of the disease, and, therefore possesses considerable potential as a biomarker for screening its presence in female patients. Unfortunately, there is currently no clinically employable assay for this biomarker. In the present work, we introduce a test based on the duel protein system of actin and gelsolin that could allow the quantitative measurement of LPA in serum samples in a biosensing format. In order to evaluate this possibility, actin protein was dye-modified and complexed with gelsolin protein, followed by surface deposition onto silica nanoparticles. This solid-phase system was exposed to serum samples containing various concentrations of LPA and analyzed by fluorescence microscopy. Measurements conducted for the LPA-containing serum samples were higher after exposure to the developed test than samples without LPA. Early results suggest a limit of detection of 5 μM LPA in serum. The eventual goal is to employ the chemistry described here in a biosensor configuration for the large population-scale, rapid screening of women for the potential occurrence of ovarian cancer.
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25
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Mir SS, Bhat HF, Bhat ZF. Dynamic actin remodeling in response to lysophosphatidic acid. J Biomol Struct Dyn 2020; 38:5253-5265. [PMID: 31920158 DOI: 10.1080/07391102.2019.1696230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Lysophosphatidic acid (LPA) is a multifunctional regulator of actin cytoskeleton that exerts a dramatic impact on the actin cytoskeleton to build a platform for diverse cellular processes including growth cone guidance, neurite retraction and cell motility. It has been implicated in the formation and dissociation of complexes between actin and actin binding proteins, supporting its role in actin remodeling. Several studies point towards its ability to facilitate formation of special cellular structures including focal adhesions and actin stress fibres by phosphoregulation of several actin associated proteins and their multiple regulatory kinases and phosphatases. In addition, multiple levels of crosstalk among the signaling cascades activated by LPA, affect actin cytoskeleton-mediated cell migration and chemotaxis which in turn play a crucial role in cancer metastasis. In the current review, we have attempted to highlight the role of LPA as an actin modulator which functions by controlling activities of specific cellular proteins that underlie mechanisms employed in cytoskeletal and pathophysiological events within the cell. Further studies on the actin affecting/remodeling activity of LPA in different cell types will no doubt throw up many surprises essential to gain a full understanding of its contribution in physiological processes as well as in diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Saima S Mir
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu And Kashmir, India.,Division of Animal Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Jammu And Kashmir, India
| | - Hina F Bhat
- Division of Animal Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Jammu And Kashmir, India
| | - Zuhaib F Bhat
- Department of Wine, Food & Molecular Biosciences, Lincoln University, Lincoln, New Zealand.,Division of Livestock Products and Technology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu (SKUAST-J), R.S. Pora, Jammu And Kashmir, India
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Kim BC, Song JI, So KH, Hyun SH. Effects of lysophosphatidic acid on human periodontal ligament stem cells from teeth extracted from dental patients. J Biomed Res 2019; 33:122-130. [PMID: 31010961 PMCID: PMC6477173 DOI: 10.7555/jbr.32.20170123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Despite their potential applications in future regenerative medicine, periodontal ligament stem cells (PDLSCs) are difficult to obtain in large amounts from patients. Therefore, maintaining stemness while expanding the cell numbers for medical use is the key to transitioning PDLSCs from the bench to the clinic. Lysophosphatidic acid (LPA), which is present in the human body and saliva, is a signaling molecule derived from phospholipids. In this study, we examined the effects of LPA on stemness maintenance in human PDLSCs. Several spindle-shaped and fibroblast-like periodontal ligament stem-like cell lines were established from PDLSC isolation. Among these cell lines, the most morphologically appropriate cell line was characterized. The expression levels of OCT4, NANOG (a stem cell marker), and CD90 (a mesenchymal stem cell marker) were high. However, CD73 (a negative marker of mesenchymal stem cells) expression was not observed. Notably, immunofluorescence analysis identified the expression of STRO-1, CD146 (a mesenchymal stem cell marker), and sex determining region Y-box 2 at the protein level. In addition, lipid droplets were stained by Oil red O after the induction of adipogenesis for 21 days, and mineralized nodules were stained by Alizarin Red S after the induction of osteogenesis for 14 days. Alkaline phosphate staining also demonstrated the occurrence of osteogenesis. In summary, we established a human PDLSC line, which could be applied as a cell source for tissue regeneration in dental patients. However, further studies are needed to determine the detailed effects of LPA on PDLSCs.
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Affiliation(s)
- Byung Cheol Kim
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea
| | - Jae-In Song
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea
| | - Kyoung-Ha So
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea
| | - Sang-Hwan Hyun
- Laboratory of Veterinary Embryology and Biotechnology, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea.,Institute of Stem Cell & Regenerative Medicine, Chungbuk National University, Seowon-gu, Cheongju 28644, Republic of Korea
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Inoue M, Okamoto Y, Atsumi Y, Shiojiri M, Hidaka M, Tanaka T, Tsutsumi T, Shirasaka N, Tokumura A. Addition of high load of lysophosphatidic acid to standard and high-fat chows causes no significant changes of its circulating and peripheral tissue levels but affects body weight and visceral fat mass of mice. Biofactors 2018; 44:548-557. [PMID: 30368958 DOI: 10.1002/biof.1451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 01/17/2023]
Abstract
Oral administration of lysophosphatidic acid (LPA), a critical intercellular lipid mediator, exerts wound healing and antiulcer effects on gastrointestinal system. To evaluate effects of food-derived LPA on body homeostasis, we measured LPA levels by liquid chromatography-tandem mass spectrometry in chows, feces, plasma, liver, and visceral fat of mice fed a normal or high-fat chow supplemented with or without LPA-rich soybean phospholipids for 30 days. Reductions in daily body weight gains and visceral fat mass were mainly related to lower chow intake by mice fed the LPA-rich high-fat chow, whereas reduced body weight gains and fat mass were mainly related to decreased intestinal triacylglycerol absorption in mice fed LPA-rich chow. Our results showed no significant increase in plasma, liver, or adipose LPA levels, even if a quite high LPA concentration (2.0%) in chows was ingested daily, suggesting limited effects of food-derived LPA on the lumen side of the digestive tract. © 2018 BioFactors, 44(6):548-557, 2018.
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Affiliation(s)
- Manami Inoue
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yoko Okamoto
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Yuta Atsumi
- Bio Chemicals Department, Enzymes Division, Product Development Section, Nagase ChemteX Corporation, Fukuchiyama, Kyoto, Japan
| | - Masatoshi Shiojiri
- Bio Chemicals Department, Enzymes Division, Product Development Section, Nagase ChemteX Corporation, Fukuchiyama, Kyoto, Japan
| | - Mayumi Hidaka
- Department of Life Sciences, Faculty of Pharmacy, Yasuda Women's University, Asaminamiku, Hiroshima, Japan
| | - Tamotsu Tanaka
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University, Tokushima, Japan
| | - Toshihiko Tsutsumi
- Department of Pharmaceutics, Graduate School of Clinical Pharmacy, Kyushu University of Health and Welfare, Nobeoka, Japan
| | - Naoki Shirasaka
- Bio Chemicals Department, Enzymes Division, Product Development Section, Nagase ChemteX Corporation, Fukuchiyama, Kyoto, Japan
| | - Akira Tokumura
- Department of Pharmaceutical Health Chemistry, Institute of Biomedical Sciences, Tokushima University, Tokushima, Japan
- Department of Life Sciences, Faculty of Pharmacy, Yasuda Women's University, Asaminamiku, Hiroshima, Japan
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Wu PY, Lin YC, Huang YL, Chen WM, Chen CC, Lee H. Mechanisms of Lysophosphatidic Acid-Mediated Lymphangiogenesis in Prostate Cancer. Cancers (Basel) 2018; 10:cancers10110413. [PMID: 30384405 PMCID: PMC6266502 DOI: 10.3390/cancers10110413] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 10/28/2018] [Accepted: 10/29/2018] [Indexed: 11/16/2022] Open
Abstract
Prostate cancer (PCa) is the most common noncutaneous cancer in men worldwide. One of its major treatments is androgen deprivation therapy, but PCa frequently relapses as aggressive castration resistant local tumors and distal metastases. Hence, the development of novel agents or treatment modalities for advanced PCa is crucial. Many tumors, including PCa, first metastasize to regional lymph nodes via lymphatic vessels. Recent findings demonstrate that the bioactive lipid lysophosphatidic acid (LPA) promotes PCa progression by regulating vascular endothelial growth factor-C (VEGF-C), a critical mediator of tumor lymphangiogenesis and lymphatic metastasis. Many of the underlying molecular mechanisms of the LPA–VEGF-C axis have been described, revealing potential biomarkers and therapeutic targets that may aid in the diagnosis and treatment of advanced PCa. Herein, we review the literature that illustrates a functional role for LPA signaling in PCa progression. These discoveries may be especially applicable to anti-lymphangiogenic strategies for the prevention and therapy of metastatic PCa.
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Affiliation(s)
- Pei-Yi Wu
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan.
| | - Yueh-Chien Lin
- Department of Life Sciences, National Taiwan University, Taipei 10617, Taiwan.
| | - Yuan-Li Huang
- Department of Biotechnology, Asia University, Taichung 41354, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
| | - Wei-Min Chen
- Department of Life Sciences, National Taiwan University, Taipei 10617, Taiwan.
| | - Chien-Chin Chen
- Department of Pathology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi 60002, Taiwan.
- Department of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan.
| | - Hsinyu Lee
- Department of Life Sciences, National Taiwan University, Taipei 10617, Taiwan.
- Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan.
- Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 10617, Taiwan.
- Center for Biotechnology, National Taiwan University, Taipei 10617, Taiwan.
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Choi JH, Jeon H, Song JE, Oliveira JM, Reis RL, Khang G. Biofunctionalized Lysophosphatidic Acid/Silk Fibroin Film for Cornea Endothelial Cell Regeneration. NANOMATERIALS 2018; 8:nano8050290. [PMID: 29710848 PMCID: PMC5977304 DOI: 10.3390/nano8050290] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/25/2018] [Accepted: 04/25/2018] [Indexed: 11/25/2022]
Abstract
Cornea endothelial cells (CEnCs) tissue engineering is a great challenge to repair diseased or damaged CEnCs and require an appropriate biomaterial to support cell proliferation and differentiation. Biomaterials for CEnCs tissue engineering require biocompatibility, tunable biodegradability, transparency, and suitable mechanical properties. Silk fibroin-based film (SF) is known to meet these factors, but construction of functionalized graft for bioengineering of cornea is still a challenge. Herein, lysophosphatidic acid (LPA) is used to maintain and increase the specific function of CEnCs. The LPA and SF composite film (LPA/SF) was fabricated in this study. Mechanical properties and in vitro studies were performed using a rabbit model to demonstrate the characters of LPA/SF. ATR-FTIR was characterized to identify chemical composition of the films. The morphological and physical properties were performed by SEM, AFM, transparency, and contact angle. Initial cell density and MTT were performed for adhesion and cell viability in the SF and LPA/SF film. Reverse transcription polymerase chain reactions (RT-PCR) and immunofluorescence were performed to examine gene and protein expression. The results showed that films were designed appropriately for CEnCs delivery. Compared to pristine SF, LPA/SF showed higher biocompatibility, cell viability, and expression of CEnCs specific genes and proteins. These indicate that LPA/SF, a new biomaterial, offers potential benefits for CEnCs tissue engineering for regeneration.
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Affiliation(s)
- Joo Hee Choi
- Department of BIN Convergence Technology, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
- Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Chonbuk National University, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
| | - Hayan Jeon
- Department of BIN Convergence Technology, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
- Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Chonbuk National University, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
| | - Jeong Eun Song
- Department of BIN Convergence Technology, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
- Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Chonbuk National University, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
| | - Joaquim Miguel Oliveira
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência e Tecnologia, Zona Industrial de Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associated Laboratory, Braga/Guimarães, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal.
| | - Rui Luis Reis
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência e Tecnologia, Zona Industrial de Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associated Laboratory, Braga/Guimarães, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal.
| | - Gilson Khang
- Department of BIN Convergence Technology, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
- Department of Polymer Nano Science & Technology and Polymer BIN Research Center, Chonbuk National University, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea.
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30
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Afroz S, Yagi A, Fujikawa K, Rahman MM, Morito K, Fukuta T, Watanabe S, Kiyokage E, Toida K, Shimizu T, Ishida T, Kogure K, Tokumura A, Tanaka T. Lysophosphatidic acid in medicinal herbs enhances prostaglandin E 2 and protects against indomethacin-induced gastric cell damage in vivo and in vitro. Prostaglandins Other Lipid Mediat 2018; 135:36-44. [PMID: 29462674 DOI: 10.1016/j.prostaglandins.2018.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 01/13/2018] [Accepted: 01/24/2018] [Indexed: 02/08/2023]
Abstract
Lysophosphatidic acid (LPA) is a bioactive phospholipid that induces diverse biological responses. Recently, we found that LPA ameliorates NSAIDs-induced gastric ulcer in mice. Here, we quantified LPA in 21 medicinal herbs used for treatment of gastrointestinal (GI) disorders. We found that half of them contained LPA at relatively high levels (40-240 μg/g) compared to soybean seed powder (4.6 μg/g), which we previously identified as an LPA-rich food. The LPA in peony (Paeonia lactiflora) root powder is highly concentrated in the lipid fraction that ameliorates indomethacin-induced gastric ulcer in mice. Synthetic 18:1 LPA, peony root LPA and peony root lipid enhanced prostaglandin E2 production in a gastric cancer cell line, MKN74 cells that express LPA2 abundantly. These materials also prevented indomethacin-induced cell death and stimulated the proliferation of MKN74 cells. We found that LPA was present in stomach fluids at 2.4 μM, which is an effective LPA concentration for inducing a cellular response in vitro. These results indicated that LPA is one of the active components of medicinal herbs for the treatment of GI disorder and that orally administered LPA-rich herbs may augment the protective actions of endogenous LPA on gastric mucosa.
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Affiliation(s)
- Sheuli Afroz
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Ayano Yagi
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Kouki Fujikawa
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - M Motiur Rahman
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Katsuya Morito
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Tatsuya Fukuta
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Shiro Watanabe
- Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Emi Kiyokage
- Department of Anatomy, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan; Department of Medical Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, Okayama 701-0193, Japan
| | - Kazunori Toida
- Department of Anatomy, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan; Ultra-High Voltage Electron Microscopy Research Center, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - Taro Shimizu
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Tatsuhiro Ishida
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Kentaro Kogure
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan
| | - Akira Tokumura
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Yasuda Women's University, Hiroshima 731-0351, Japan
| | - Tamotsu Tanaka
- Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8505, Japan.
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31
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Lysophospholipid-Related Diseases and PPARγ Signaling Pathway. Int J Mol Sci 2017; 18:ijms18122730. [PMID: 29258184 PMCID: PMC5751331 DOI: 10.3390/ijms18122730] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 02/04/2023] Open
Abstract
The nuclear receptor superfamily includes ligand-inducible transcription factors that play diverse roles in cell metabolism and are associated with pathologies such as cardiovascular diseases. Lysophosphatidic acid (LPA) belongs to a family of lipid mediators. LPA and its naturally occurring analogues interact with G protein-coupled receptors on the cell surface and an intracellular nuclear hormone receptor. In addition, several enzymes that utilize LPA as a substrate or generate it as a product are under its regulatory control. Recent studies have demonstrated that the endogenously produced peroxisome proliferator-activated receptor gamma (PPARγ) antagonist cyclic phosphatidic acid (cPA), which is structurally similar to LPA, inhibits cancer cell invasion and metastasis in vitro and in vivo. We recently observed that cPA negatively regulates PPARγ function by stabilizing the binding of the co-repressor protein, a silencing mediator of retinoic acid, and the thyroid hormone receptor. We also showed that cPA prevents neointima formation, adipocyte differentiation, lipid accumulation, and upregulation of PPARγ target gene transcription. The present review discusses the arbitrary aspects of the physiological and pathophysiological actions of lysophospholipids in vascular and nervous system biology.
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Thorlakson HH, Engen SA, Schreurs O, Schenck K, Blix IJS. Lysophosphatidic acid induces expression of genes in human oral keratinocytes involved in wound healing. Arch Oral Biol 2017; 80:153-159. [DOI: 10.1016/j.archoralbio.2017.04.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 04/10/2017] [Accepted: 04/11/2017] [Indexed: 10/19/2022]
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Michalczyk A, Budkowska M, Dołęgowska B, Chlubek D, Safranow K. Lysophosphatidic acid plasma concentrations in healthy subjects: circadian rhythm and associations with demographic, anthropometric and biochemical parameters. Lipids Health Dis 2017; 16:140. [PMID: 28732508 PMCID: PMC5521143 DOI: 10.1186/s12944-017-0536-0] [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] [Received: 06/07/2017] [Accepted: 07/13/2017] [Indexed: 01/01/2023] Open
Abstract
Background Lysophosphatidic acid (LPA) is a bioactive lipid with a wide biological activity. Previous studies have shown its potential usefulness as a diagnostic marker for ovarian cancer. The aim of the study was to investigate which factors may influence plasma LPA concentrations in healthy subjects and to propose reference values. Methods The study group consisted of 100 healthy subjects. From all of them the blood samples were taken at 7 a.m. (fasting state). From 40 volunteers additional blood samples were taken at 2 p.m., at 8 p.m. and at 2 a.m. next morning. Concentrations of LPA were measured in plasma samples using enzyme-linked immunosorbent assay. Results Analysis of samples from 100 healthy volunteers showed significant influence of sex and age on plasma LPA. The reference range for the plasma LPA concentration corrected for age and sex, determined at 2.5–97.5 percentile interval is 0.14–1.64 μM. LPA correlates positively with BMI, serum total cholesterol, triacylglycerols, uric acid and negatively with estimated glomerular filtration rate and serum albumin. Concentration of LPA at 2 a.m. was lower than at 2 p.m. There were not any significant differences between plasma LPA at 7 a.m. and any other time of the day. Conclusions Plasma LPA is associated with demographic, anthropometric and biochemical parameters. It seems that LPA concentrations have no specific circadian rhythm and the time of donation and fasting state have marginal effect on plasma LPA. These findings may be helpful in future incorporation of LPA as a diagnostic marker.
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Affiliation(s)
- Anna Michalczyk
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, 70-111, Szczecin, Poland.
| | - Marta Budkowska
- Department of Medical Analytics, Pomeranian Medical University in Szczecin, 70-111, Szczecin, Poland
| | - Barbara Dołęgowska
- Department of Microbiology, Immunology and Laboratory Medicine, Pomeranian Medical University in Szczecin, 70-111, Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, 70-111, Szczecin, Poland
| | - Krzysztof Safranow
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, 70-111, Szczecin, Poland
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Mohanty T, Alberius P, Schmidtchen A, Reiss K, Schröder J, Sørensen O. Saliva induces expression of antimicrobial peptides and promotes intracellular killing of bacteria in keratinocytes by epidermal growth factor receptor transactivation. Br J Dermatol 2017; 176:403-412. [DOI: 10.1111/bjd.14883] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2016] [Indexed: 01/09/2023]
Affiliation(s)
- T. Mohanty
- Division of Infection Medicine Department of Clinical Sciences Lund Lund University Tornavägen 10 SE‐221 84 Lund Sweden
| | - P. Alberius
- Department of Plastic Surgery Skåne University Hospital Malmö Sweden
| | - A. Schmidtchen
- Division of Dermatology Department of Clinical Sciences Lund Lund University Tornavägen 10 SE‐221 84 Lund Sweden
| | - K. Reiss
- Department of Dermatology University of Kiel Kiel Germany
| | - J.‐M. Schröder
- Department of Dermatology University of Kiel Kiel Germany
| | - O.E. Sørensen
- Division of Infection Medicine Department of Clinical Sciences Lund Lund University Tornavägen 10 SE‐221 84 Lund Sweden
- Wound Healing Center Copenhagen University Hospital Bispebjerg Hospital Copenhagen Denmark
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35
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Afroz S, Ikoma T, Yagi A, Kogure K, Tokumura A, Tanaka T. Concentrated Phosphatidic Acid in Cereal Brans as Potential Protective Agents against Indomethacin-Induced Stomach Ulcer. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:6950-7. [PMID: 27561232 DOI: 10.1021/acs.jafc.6b02884] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
One of complications associated with long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs) is peptic ulcer. Recently, we found that orally administered phosphatidic acid (PA) ameliorated aspirin-induced stomach lesions in mice. In this study, we identified PA-rich food sources and examined the effects of the food materials on indomethacin-induced stomach ulcer. Among examined, buckwheat (Fagopyrum esculentum) bran contained the highest level of PA (188 mg/100 g). PA was the richest phospholipid (25%) in the lipid fraction of the buckwheat bran. Administration of the lipid extracts of buckwheat bran significantly ameliorated indomethacin-induced stomach lesions in mice. In contrast, wheat (Triticum durum) bran lipids (PA, 4%) and soybean (Glycine max) lipids (PA, 3%) were not associated with ameliorative effects. These results indicated that PA-rich lipids can be used as an effective supplement for prevention of NSAID-induced stomach ulcer.
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Affiliation(s)
- Sheuli Afroz
- Institute of Biomedical Sciences, Tokushima University Graduate School , Tokushima 770-8505, Japan
| | - Teru Ikoma
- Institute of Biomedical Sciences, Tokushima University Graduate School , Tokushima 770-8505, Japan
| | - Ayano Yagi
- Institute of Biomedical Sciences, Tokushima University Graduate School , Tokushima 770-8505, Japan
| | - Kentaro Kogure
- Institute of Biomedical Sciences, Tokushima University Graduate School , Tokushima 770-8505, Japan
| | - Akira Tokumura
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Yasuda Women's University , Hiroshima 731-0351, Japan
| | - Tamotsu Tanaka
- Institute of Biomedical Sciences, Tokushima University Graduate School , Tokushima 770-8505, Japan
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36
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Autotaxin, Pruritus and Primary Biliary Cholangitis (PBC). Autoimmun Rev 2016; 15:795-800. [PMID: 27019050 DOI: 10.1016/j.autrev.2016.03.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 03/17/2016] [Indexed: 01/14/2023]
Abstract
Autotaxin (ATX) is a 125-kD type II ectonucleotide pyrophosphatase/phosphodiesterase (ENPP2 or NPP2) originally discovered as an unknown "autocrine motility factor" in human melanoma cells. In addition to its pyrophosphatase/phosphodiesterase activities ATX has lysophospholipase D (lysoPLD) activity, catalyzing the conversion of lysophosphatidylcholine (LPC) into lysophosphatidic acid (LPA). ATX is the only ENPP family member with lysoPLD activity and it produces most of the LPA in circulation. In support of this, ATX heterozygous mice have 50% of normal LPA plasma levels. The ATX-LPA signaling axis plays an important role in both normal physiology and disease pathogenesis and recently has been linked to pruritus in chronic cholestatic liver diseases, including primary biliary cholangitis (PBC). Several lines of evidence have suggested that a circulating puritogen is responsible, but the identification of the molecule has yet to be definitively identified. In contrast, plasma ATX activity is strongly associated with pruritus in PBC, suggesting a targetable molecule for treatment. We review herein the biochemistry of ATX and the rationale for its role in pruritus.
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37
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Thorlakson HH, Schreurs O, Schenck K, Blix IJS. Lysophosphatidic acid regulates adhesion molecules and enhances migration of human oral keratinocytes. Eur J Oral Sci 2016; 124:164-71. [PMID: 26913569 DOI: 10.1111/eos.12255] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2016] [Indexed: 12/20/2022]
Abstract
Oral keratinocytes are connected via cell-to-cell adhesions to protect underlying tissues from physical and bacterial damage. Lysophosphatidic acids (LPAs) are a family of phospholipid mediators that have the ability to regulate gene expression, cytoskeletal rearrangement, and cytokine/chemokine secretion, which mediate proliferation, migration, and differentiation. Several forms of LPA are found in saliva and gingival crevicular fluid, but it is unknown how they affect human oral keratinocytes (HOK). The aim of the present study was therefore to examine how different LPA forms affect the expression of adhesion molecules and the migration and proliferation of HOK. Keratinocytes were isolated from gingival biopsies obtained from healthy donors and challenged with different forms of LPA. Quantitative real-time RT-PCR, immunocytochemistry, and flow cytometry were used to analyze the expression of adhesion molecules. Migration and proliferation assays were performed. Lysophosphatidic acids strongly promoted expression of E-cadherin and occludin mRNAs and translocation of E-cadherin protein from the cytoplasm to the membrane. Occludin and claudin-1 proteins were up-regulated by LPA. Migration of HOK in culture was increased, but proliferation was reduced, by the addition of LPA. This indicates that LPA can have a role in the regulation of the oral epithelial barrier by increasing the expression of adhesion molecules of HOK, by promotion of migration and by inhibition of proliferation.
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Affiliation(s)
- Hong H Thorlakson
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway.,Department of Periodontology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Olav Schreurs
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Karl Schenck
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Inger J S Blix
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway.,Department of Periodontology, Faculty of Dentistry, University of Oslo, Oslo, Norway
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Boruszewska D, Sinderewicz E, Kowalczyk-Zieba I, Grycmacher K, Woclawek-Potocka I. Studies on lysophosphatidic acid action during in vitro preimplantation embryo development. Domest Anim Endocrinol 2016; 54:15-29. [PMID: 26379100 DOI: 10.1016/j.domaniend.2015.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 08/18/2015] [Accepted: 08/18/2015] [Indexed: 11/24/2022]
Abstract
Assisted reproductive technologies, including in vitro embryo production (IVP), have been successfully used in animal reproduction to optimize breeding strategies for improved production and health in animal husbandry. Despite the progress in IVP techniques over the years, further improvements in in vitro embryo culture systems are required for the enhancement of oocyte and embryo developmental competence. One of the most important issues associated with IVP procedures is the optimization of the in vitro culture of oocytes and embryos. Studies in different species of animals and in humans have identified important roles for receptor-mediated lysophosphatidic acid (LPA) signaling in multiple aspects of human and animal reproductive tract function. The data on LPA signaling in the ovary and uterus suggest that LPA can directly contribute to embryo-maternal interactions via its influence on early embryo development beginning from the influence of the ovarian environment on the oocyte to the influence of the uterine environment on the preimplantation embryo. This review discusses the current status of LPA as a potential supplement in oocyte maturation, fertilization, and embryo culture media and current views on the potential involvement of the LPA signaling pathway in early embryo development.
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Affiliation(s)
- D Boruszewska
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn 10-748, Poland
| | - E Sinderewicz
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn 10-748, Poland
| | - I Kowalczyk-Zieba
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn 10-748, Poland
| | - K Grycmacher
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn 10-748, Poland
| | - I Woclawek-Potocka
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn 10-748, Poland.
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Zhou YY, Ji XF, Fu JP, Zhu XJ, Li RH, Mu CK, Wang CL, Song WW. Gene Transcriptional and Metabolic Profile Changes in Mimetic Aging Mice Induced by D-Galactose. PLoS One 2015; 10:e0132088. [PMID: 26176541 PMCID: PMC4503422 DOI: 10.1371/journal.pone.0132088] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Accepted: 06/10/2015] [Indexed: 01/09/2023] Open
Abstract
D-galactose injection has been shown to induce many changes in mice that represent accelerated aging. This mouse model has been widely used for pharmacological studies of anti-aging agents. The underlying mechanism of D-galactose induced aging remains unclear, however, it appears to relate to glucose and 1ipid metabolic disorders. Currently, there has yet to be a study that focuses on investigating gene expression changes in D-galactose aging mice. In this study, integrated analysis of gas chromatography/mass spectrometry-based metabonomics and gene expression profiles was used to investigate the changes in transcriptional and metabolic profiles in mimetic aging mice injected with D-galactose. Our findings demonstrated that 48 mRNAs were differentially expressed between control and D-galactose mice, and 51 potential biomarkers were identified at the metabolic level. The effects of D-galactose on aging could be attributed to glucose and 1ipid metabolic disorders, oxidative damage, accumulation of advanced glycation end products (AGEs), reduction in abnormal substance elimination, cell apoptosis, and insulin resistance.
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Affiliation(s)
- Yue-Yue Zhou
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Xiong-Fei Ji
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Jian-Ping Fu
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Xiao-Juan Zhu
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Rong-Hua Li
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Chang-Kao Mu
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
| | - Chun-Lin Wang
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
- * E-mail: (WWS); (CLW)
| | - Wei-Wei Song
- Key Laboratory of the Ministry of Education for Applied Marine Biotechnology, Ningbo University, Ningbo, China
- Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, China
- * E-mail: (WWS); (CLW)
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Cerutis DR, Weston MD, Alnouti Y, Bathena SP, Nunn ME, Ogunleye AO, McVaney TP, Headen KV, Miyamoto T. A Major Human Oral Lysophosphatidic Acid Species, LPA 18:1, Regulates Novel Genes in Human Gingival Fibroblasts. J Periodontol 2015; 86:713-25. [DOI: 10.1902/jop.2015.140592] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Sadasivan SK, Siddaraju N, Khan KM, Vasamsetti B, Kumar NR, Haridas V, Reddy MB, Baggavalli S, Oommen AM, Pralhada Rao R. Developing an in vitro screening assay platform for evaluation of antifibrotic drugs using precision-cut liver slices. FIBROGENESIS & TISSUE REPAIR 2014; 8:1. [PMID: 25598841 PMCID: PMC4296550 DOI: 10.1186/s13069-014-0017-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 12/05/2014] [Indexed: 01/08/2023]
Abstract
Background Precision-cut liver slices present different cell types of liver in a physiological context, and they have been explored as effective in vitro model systems to study liver fibrosis. Inducing fibrosis in the liver slices using toxicants like carbon tetrachloride is of less relevance to human disease conditions. Our aim for this study was to establish physiologically relevant conditions in vitro to induce fibrotic phenotypes in the liver slices. Results Precision-cut liver slices of 150 μm thickness were obtained from female C57BL/6 J mice. The slices were cultured for 24 hours in media containing a cocktail of 10 nM each of TGF-β, PDGF, 5 μM each of lysophosphatidic acid and sphingosine 1 phosphate and 0.2 μg/ml of lipopolysaccharide along with 500 μM of palmitate and were analyzed for triglyceride accumulation, stress and inflammation, myofibroblast activation and extracellular matrix (ECM) accumulation. Incubation with the cocktail resulted in increased triglyceride accumulation, a hallmark of steatosis. The levels of Acta2, a hallmark of myofibroblast activation and the levels of inflammatory genes (IL-6, TNF-α and C-reactive protein) were significantly elevated. In addition, this treatment resulted in increased levels of ECM markers - collagen, lumican and fibronectin. Conclusions This study reports the experimental conditions required to induce fibrosis associated with steatohepatitis using physiologically relevant inducers. The system presented here captures various aspects of the fibrosis process like steatosis, inflammation, stellate cell activation and ECM accumulation and serves as a platform to study the liver fibrosis in vitro and to screen small molecules for their antifibrotic activity.
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Affiliation(s)
- Satish Kumar Sadasivan
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Nethra Siddaraju
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Khaiser Mehdi Khan
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Balamuralikrishna Vasamsetti
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Nimisha R Kumar
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Vibha Haridas
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Madhusudhan B Reddy
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Somesh Baggavalli
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Anup M Oommen
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
| | - Raghavendra Pralhada Rao
- Connexios life sciences private limited, No-49, Shilpa vidya, 1st Main, 3rd phase, J P nagara, Bangalore, 560078 India
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Aikawa S, Hashimoto T, Kano K, Aoki J. Lysophosphatidic acid as a lipid mediator with multiple biological actions. J Biochem 2014; 157:81-9. [PMID: 25500504 DOI: 10.1093/jb/mvu077] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Lysophosphatidic acid (LPA) is one of the simplest glycerophospholipids with one fatty acid chain and a phosphate group as a polar head. Although LPA had been viewed just as a metabolic intermediate in de novo lipid synthetic pathways, it has recently been paid much attention as a lipid mediator. LPA exerts many kinds of cellular processes, such as cell proliferation and smooth muscle contraction, through cognate G protein-coupled receptors. Because lipids are not coded by the genome directly, it is difficult to know their patho- and physiological roles. However, recent studies have identified several key factors mediating the biological roles of LPA, such as receptors and producing enzymes. In addition, studies of transgenic and gene knockout animals for these LPA-related genes, have revealed the biological significance of LPA. In this review we will summarize recent advances in the studies of LPA production and its roles in both physiological and pathological conditions.
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Affiliation(s)
- Shizu Aikawa
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-Ku, Sendai 980-8578, Japan and CREST, Japan Science and Technology Corporation, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Takafumi Hashimoto
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-Ku, Sendai 980-8578, Japan and CREST, Japan Science and Technology Corporation, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Kuniyuki Kano
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-Ku, Sendai 980-8578, Japan and CREST, Japan Science and Technology Corporation, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Junken Aoki
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-Ku, Sendai 980-8578, Japan and CREST, Japan Science and Technology Corporation, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-Ku, Sendai 980-8578, Japan and CREST, Japan Science and Technology Corporation, 4-1-8, Honcho, Kawaguchi, Saitama 332-0012, Japan
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Lysophosphatidic acid (LPA) 18:1 transcriptional regulation of primary human gingival fibroblasts. GENOMICS DATA 2014; 2:375-7. [PMID: 26484133 PMCID: PMC4535903 DOI: 10.1016/j.gdata.2014.10.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 10/15/2014] [Indexed: 11/22/2022]
Abstract
The pleiotropic, bioactive lipid lysophosphatidic acid [(LPA), 1-acyl-sn-glycerol-3-phosphate] exerts critical regulatory actions in physiology and pathophysiology in many systems. It is present in normal bodily fluids, and is elevated in pathology (1). In vivo, "LPA" exists as distinct molecular species, each having a single fatty acid of varying chain length and degree of unsaturation covalently attached to the glycerol backbone via an acyl, alkyl, or alkenyl link. These species differ in affinities for the individual LPA receptors [(LPARs), LPA1-6] and coupling to G proteins (2). However, LPA 18:1 has been and continues to be the most commonly utilized species in reported studies. The actions of "LPA" remain poorly defined in oral biology and pathophysiology. Our laboratory has addressed this knowledge gap by studying in vitro the actions of the major human salivary LPA species [18:1, 18:0, and 16:0 (3)] in human oral cells (4-7). This includes gingival fibroblasts (GF), which our flow cytometry data from multiple donors found that they express LPA1-5 (6). We have also reported that these species are ten-fold elevated to pharmacologic levels in the saliva and gingival crevicular fluid obtained from patients with moderate-severe periodontitis (8). As the potential of LPA to regulate transcriptional activity had not been examined in the oral system, this study used whole human genome microarray analysis to test the hypothesis that LPA 18:1-treated human GF would show significant changes in gene transcripts relevant to their biology, wound-healing, and inflammatory responses. LPA 18:1 was found to significantly regulate a large, complex set of genes critical to GF biology in these categories and to periodontal disease. The raw data has been deposited at NCBI's GEO database as record GSE57496.
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Tanaka T, Ohmoto M, Morito K, Kondo H, Urikura M, Satouchi K, Tokumura A. Type 2 lysophosphatidic acid receptor in gastric surface mucous cells: Possible implication of prostaglandin E2 production. Biofactors 2014; 40:355-61. [PMID: 24375908 DOI: 10.1002/biof.1147] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 08/24/2013] [Accepted: 09/06/2013] [Indexed: 02/03/2023]
Abstract
Lysophosphatidic acid (LPA) is a lipid mediator that induces various cell responses via its specific receptors. Recently, we found that orally administered LPA and phosphatidic acid (PA) ameliorate stress- or aspirin-induced stomach injury. However, the mechanisms underlying these effects have not been elucidated yet. In this study, we examined effect of LPA on prostaglandin (PG) E2 production in MKN74 cells, a gastric cell-line expressing type 2 LPA receptor (LPA2). When the cells were treated with LPA, the level of mRNA of COX-2 but not COX-1 was upregulated. The LPA effect was abolished when the cells were pretreated with pertussis toxin (PTX), suggesting the involvement of receptor(s) coupled with Gi. Pretreatment of MKN74 cells with LPA enhanced the PGE2 production triggered by calcium ionophore A23187. Again, PTX abolished the LPA effect. Fluorescent immunohistochemistry using an antibody against LPA2 showed that surface mucous cells (pit cells) in gastric mucosa of mice express LPA2 on the apical side of the plasma membrane. These results suggest that LPA in the diet or its digestion may contribute to the epithelial integrity of stomach mucosa by enhancement of PGE2 production via activation of LPA2.
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Affiliation(s)
- Tamotsu Tanaka
- Institute of Health Biosciences, University of Tokushima Graduate School, Tokushima, Japan
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Choi Y, Seo H, Yoo I, Han J, Jang H, Kim M, Ka H. Maternal-Conceptus Interactions: Mediators Regulating the Implantation Process in Pigs. ACTA ACUST UNITED AC 2014. [DOI: 10.12749/rdb.2014.38.1.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Yung YC, Stoddard NC, Chun J. LPA receptor signaling: pharmacology, physiology, and pathophysiology. J Lipid Res 2014; 55:1192-214. [PMID: 24643338 DOI: 10.1194/jlr.r046458] [Citation(s) in RCA: 499] [Impact Index Per Article: 49.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Indexed: 12/18/2022] Open
Abstract
Lysophosphatidic acid (LPA) is a small ubiquitous lipid found in vertebrate and nonvertebrate organisms that mediates diverse biological actions and demonstrates medicinal relevance. LPA's functional roles are driven by extracellular signaling through at least six 7-transmembrane G protein-coupled receptors. These receptors are named LPA1-6 and signal through numerous effector pathways activated by heterotrimeric G proteins, including Gi/o, G12/13, Gq, and Gs LPA receptor-mediated effects have been described in numerous cell types and model systems, both in vitro and in vivo, through gain- and loss-of-function studies. These studies have revealed physiological and pathophysiological influences on virtually every organ system and developmental stage of an organism. These include the nervous, cardiovascular, reproductive, and pulmonary systems. Disturbances in normal LPA signaling may contribute to a range of diseases, including neurodevelopmental and neuropsychiatric disorders, pain, cardiovascular disease, bone disorders, fibrosis, cancer, infertility, and obesity. These studies underscore the potential of LPA receptor subtypes and related signaling mechanisms to provide novel therapeutic targets.
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Affiliation(s)
- Yun C Yung
- Department of Molecular and Cellular Neuroscience, Dorris Neuroscience Center, The Scripps Research Institute, La Jolla, CA 92037
| | - Nicole C Stoddard
- Department of Molecular and Cellular Neuroscience, Dorris Neuroscience Center, The Scripps Research Institute, La Jolla, CA 92037 Biomedical Sciences Graduate Program, University of California, San Diego School of Medicine, La Jolla, CA 92037
| | - Jerold Chun
- Department of Molecular and Cellular Neuroscience, Dorris Neuroscience Center, The Scripps Research Institute, La Jolla, CA 92037
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Methods for quantifying lysophosphatidic acid in body fluids: a review. Anal Biochem 2014; 453:38-43. [PMID: 24613261 DOI: 10.1016/j.ab.2014.02.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 02/10/2014] [Accepted: 02/21/2014] [Indexed: 11/23/2022]
Abstract
Lysophosphatidic acid (LPA) is a bioactive lipid involved in cellular signal transduction. LPA plays a role in both physiological and pathological processes. Elevated levels of LPA are observed in the plasma of patients with epithelial ovarian cancer, indicating its potential as a diagnostic marker. Quantification of total LPA can be performed by radioenzymatic, fluorometric, colorimetric, or immunoezymatic assay. Determination of individual LPA molecular species requires the use of capillary electrophoresis, gas chromatography, thin layer chromatography, liquid chromatography, or a matrix-assisted laser desorption/ionization time-of-flight method connected to an appropriate detection system.
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Acyltransferases and transacylases that determine the fatty acid composition of glycerolipids and the metabolism of bioactive lipid mediators in mammalian cells and model organisms. Prog Lipid Res 2014; 53:18-81. [DOI: 10.1016/j.plipres.2013.10.001] [Citation(s) in RCA: 160] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 07/20/2013] [Accepted: 10/01/2013] [Indexed: 12/21/2022]
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Extracellular metabolism-dependent uptake of lysolipids through cultured monolayer of differentiated Caco-2 cells. Biochim Biophys Acta Mol Cell Biol Lipids 2014; 1841:121-31. [DOI: 10.1016/j.bbalip.2013.10.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 09/14/2013] [Accepted: 10/01/2013] [Indexed: 11/19/2022]
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Yano R, Ma L, Nagai J, Ueda H. Interleukin-1β Plays Key Roles in LPA-Induced Amplification of LPA Production in Neuropathic Pain Model. Cell Mol Neurobiol 2013; 33:1033-41. [DOI: 10.1007/s10571-013-9970-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Accepted: 07/31/2013] [Indexed: 11/28/2022]
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