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Laface C, Ricci AD, Vallarelli S, Ostuni C, Rizzo A, Ambrogio F, Centonze M, Schirizzi A, De Leonardis G, D’Alessandro R, Lotesoriere C, Giannelli G. Autotaxin-Lysophosphatidate Axis: Promoter of Cancer Development and Possible Therapeutic Implications. Int J Mol Sci 2024; 25:7737. [PMID: 39062979 PMCID: PMC11277072 DOI: 10.3390/ijms25147737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/03/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Autotaxin (ATX) is a member of the ectonucleotide pyrophosphate/phosphodiesterase (ENPP) family; it is encoded by the ENPP2 gene. ATX is a secreted glycoprotein and catalyzes the hydrolysis of lysophosphatidylcholine to lysophosphatidic acid (LPA). LPA is responsible for the transduction of various signal pathways through the interaction with at least six G protein-coupled receptors, LPA Receptors 1 to 6 (LPAR1-6). The ATX-LPA axis is involved in various physiological and pathological processes, such as angiogenesis, embryonic development, inflammation, fibrosis, and obesity. However, significant research also reported its connection to carcinogenesis, immune escape, metastasis, tumor microenvironment, cancer stem cells, and therapeutic resistance. Moreover, several studies suggested ATX and LPA as relevant biomarkers and/or therapeutic targets. In this review of the literature, we aimed to deepen knowledge about the role of the ATX-LPA axis as a promoter of cancer development, progression and invasion, and therapeutic resistance. Finally, we explored its potential application as a prognostic/predictive biomarker and therapeutic target for tumor treatment.
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Affiliation(s)
- Carmelo Laface
- Medical Oncology Unit, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Angela Dalia Ricci
- Medical Oncology Unit, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Simona Vallarelli
- Medical Oncology Unit, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Carmela Ostuni
- Medical Oncology Unit, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Alessandro Rizzo
- Medical Oncology, IRCCS Istituto Tumori “Giovanni Paolo II”, Viale Orazio Flacco 65, 70124 Bari, Italy
| | - Francesca Ambrogio
- Section of Dermatology and Venereology, Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Matteo Centonze
- Personalized Medicine Laboratory, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy;
| | - Annalisa Schirizzi
- Laboratory of Experimental Oncology, National Institute of Gastroenterology, “IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy; (A.S.); (G.D.L.)
| | - Giampiero De Leonardis
- Laboratory of Experimental Oncology, National Institute of Gastroenterology, “IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy; (A.S.); (G.D.L.)
| | - Rosalba D’Alessandro
- Laboratory of Experimental Oncology, National Institute of Gastroenterology, “IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy; (A.S.); (G.D.L.)
| | - Claudio Lotesoriere
- Medical Oncology Unit, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
| | - Gianluigi Giannelli
- Scientific Direction, National Institute of Gastroenterology, IRCCS “S. de Bellis” Research Hospital, 70013 Castellana Grotte, Italy
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2
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Long Y, Wang Y, Qu M, Zhang D, Zhang X, Zhang J. Combined inhibition of EZH2 and the autotaxin-LPA-LPA2 axis exerts synergistic antitumor effects on colon cancer cells. Cancer Lett 2023; 566:216226. [PMID: 37230222 DOI: 10.1016/j.canlet.2023.216226] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 05/04/2023] [Accepted: 05/13/2023] [Indexed: 05/27/2023]
Abstract
Autotaxin (ATX), also known as ENPP2, is the key enzyme in lysophosphatidic acid (LPA) production. LPA acts on its receptors on the cell membrane to promote cell proliferation and migration, and thus, the ATX-LPA axis plays a critical role in tumorigenesis. Clinical data analysis indicated that in colon cancer, there is a strong negative correlation between the expression of ATX and EZH2, the enzymatic catalytic subunit of polycomb repressive complex 2 (PRC2). Here, we demonstrated that ATX expression was epigenetically silenced by PRC2, which was recruited by MTF2 and catalyzed H3K27me3 modification in the ATX promoter region. EZH2 inhibition is a promising strategy for cancer treatment, and ATX expression is induced in colon cancer cells by EZH2 inhibitors. With both EZH2 and ATX as targets, their combined inhibition exerted synergistic antitumor effects on colon cancer cells. In addition, LPA receptor 2 (LPA2) deficiency significantly enhanced the sensitivity to EZH2 inhibitors in colon cancer cells. In summary, our study identified ATX as a novel PRC2 target gene and found that cotargeting EZH2 and the ATX-LPA-LPA2 axis may be a potential combination therapy strategy for colon cancer.
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Affiliation(s)
- Yang Long
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Yuqin Wang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Mengxia Qu
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Di Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Xiaotian Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China.
| | - Junjie Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, China.
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3
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Lin KH, Lee SC, Dacheux MA, Norman DD, Balogh A, Bavaria M, Lee H, Tigyi G. E2F7 drives autotaxin/Enpp2 transcription via chromosome looping: Repression by p53 in murine but not in human carcinomas. FASEB J 2023; 37:e23058. [PMID: 37358838 PMCID: PMC10364077 DOI: 10.1096/fj.202300838r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/31/2023] [Accepted: 06/13/2023] [Indexed: 06/27/2023]
Abstract
Dysregulation of the autotaxin (ATX, Enpp2)-lysophosphatidic acid (LPA) signaling in cancerous cells contributes to tumorigenesis and therapy resistance. We previously found that ATX activity was elevated in p53-KO mice compared to wild-type (WT) mice. Here, we report that ATX expression was upregulated in mouse embryonic fibroblasts from p53-KO and p53R172H mutant mice. ATX promoter analysis combined with yeast one-hybrid testing revealed that WT p53 directly inhibits ATX expression via E2F7. Knockdown of E2F7 reduced ATX expression and chromosome immunoprecipitation showed that E2F7 promotes Enpp2 transcription through cooperative binding to two E2F7 sites (promoter region -1393 bp and second intron 996 bp). Using chromosome conformation capture, we found that chromosome looping brings together the two E2F7 binding sites. We discovered a p53 binding site in the first intron of murine Enpp2, but not in human ENPP2. Binding of p53 disrupted the E2F7-mediated chromosomal looping and repressed Enpp2 transcription in murine cells. In contrast, we found no disruption of E2F7-mediated ENPP2 transcription via direct p53 binding in human carcinoma cells. In summary, E2F7 is a common transcription factor that upregulates ATX in human and mouse cells but is subject to steric interference by direct intronic p53 binding only in mice.
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Affiliation(s)
- Kuan-Hung Lin
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Sue Chin Lee
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Mélanie A Dacheux
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Derek D Norman
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Andrea Balogh
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
| | - Mitul Bavaria
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
| | - Hsinyu Lee
- Department of Life Sciences, College of Life Science, National Taiwan University, Taipei, Taiwan
| | - Gabor Tigyi
- Department of Physiology, College of Medicine, University of Tennessee Health Science Center (UTHSC), Memphis, Tennessee, USA
- Institute of Translational Medicine, Semmelweis University, Budapest, Hungary
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4
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Manou M, Kanakoglou DS, Loupis T, Vrachnos DM, Theocharis S, Papavassiliou AG, Piperi C. Role of Histone Deacetylases in the Pathogenesis of Salivary Gland Tumors and Therapeutic Targeting Options. Int J Mol Sci 2023; 24:10038. [PMID: 37373187 DOI: 10.3390/ijms241210038] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/09/2023] [Accepted: 06/10/2023] [Indexed: 06/29/2023] Open
Abstract
Salivary gland tumors (SGTs) comprise a rare and heterogenous category of benign/malignant neoplasms with progressively increasing knowledge of the molecular mechanisms underpinning their pathogenesis, poor prognosis, and therapeutic treatment efficacy. Emerging data are pointing toward an interplay of genetic and epigenetic factors contributing to their heterogeneity and diverse clinical phenotypes. Post-translational histone modifications such as histone acetylation/deacetylation have been shown to actively participate in the pathobiology of SGTs, further suggesting that histone deacetylating factors (HDACs), selective or pan-HDAC inhibitors (HDACis), might present effective treatment options for these neoplasms. Herein, we describe the molecular and epigenetic mechanisms underlying the pathology of the different types of SGTs, focusing on histone acetylation/deacetylation effects on gene expression as well as the progress of HDACis in SGT therapy and the current status of relevant clinical trials.
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Affiliation(s)
- Maria Manou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Dimitrios S Kanakoglou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Theodoros Loupis
- Haematology Research Laboratory, Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Dimitrios M Vrachnos
- Haematology Research Laboratory, Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
| | - Stamatios Theocharis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Athanasios G Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
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5
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Chhabra R, Guergues J, Wohlfahrt J, Rockfield S, Espinoza Gonzalez P, Rego S, Park MA, Berglund AE, Stevens SM, Nanjundan M. Deregulated expression of the 14q32 miRNA cluster in clear cell renal cancer cells. Front Oncol 2023; 13:1048419. [PMID: 37139155 PMCID: PMC10150008 DOI: 10.3389/fonc.2023.1048419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 02/21/2023] [Indexed: 05/05/2023] Open
Abstract
Clear cell renal cell carcinomas (ccRCC) are characterized by arm-wide chromosomal alterations. Loss at 14q is associated with disease aggressiveness in ccRCC, which responds poorly to chemotherapeutics. The 14q locus contains one of the largest miRNA clusters in the human genome; however, little is known about the contribution of these miRNAs to ccRCC pathogenesis. In this regard, we investigated the expression pattern of selected miRNAs at the 14q32 locus in TCGA kidney tumors and in ccRCC cell lines. We demonstrated that the miRNA cluster is downregulated in ccRCC (and cell lines) as well as in papillary kidney tumors relative to normal kidney tissues (and primary renal proximal tubule epithelial (RPTEC) cells). We demonstrated that agents modulating expression of DNMT1 (e.g., 5-Aza-deoxycytidine) could modulate 14q32 miRNA expression in ccRCC cell lines. Lysophosphatidic acid (LPA, a lysophospholipid mediator elevated in ccRCC) not only increased labile iron content but also modulated expression of a 14q32 miRNA. Through an overexpression approach targeting a subset of 14q32 miRNAs (specifically at subcluster A: miR-431-5p, miR-432-5p, miR-127-3p, and miR-433-3p) in 769-P cells, we uncovered changes in cellular viability and claudin-1, a tight junction marker. A global proteomic approach was implemented using these miRNA overexpressing cell lines which uncovered ATXN2 as a highly downregulated target. Collectively, these findings support a contribution of miRNAs at 14q32 in ccRCC pathogenesis.
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Affiliation(s)
- Ravneet Chhabra
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Jennifer Guergues
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Jessica Wohlfahrt
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Stephanie Rockfield
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
- Department of Cell and Molecular Biology, St. Jude Children’s Research Hospital, Memphis, TN, United States
| | - Pamela Espinoza Gonzalez
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Shanon Rego
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Margaret A. Park
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
| | - Anders E. Berglund
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
| | - Stanley M. Stevens
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
| | - Meera Nanjundan
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, United States
- *Correspondence: Meera Nanjundan,
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6
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Vít O, Petrák J. Autotaxin and Lysophosphatidic Acid Signalling: the Pleiotropic Regulatory Network in Cancer. Folia Biol (Praha) 2023; 69:149-162. [PMID: 38583176 DOI: 10.14712/fb2023069050149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Autotaxin, also known as ecto-nucleotide pyrophosphatase/phosphodiesterase family member 2, is a secreted glycoprotein that plays multiple roles in human physiology and cancer pathology. This protein, by converting lysophosphatidylcholine into lysophosphatidic acid, initiates a complex signalling cascade with significant biological implications. The article outlines the autotaxin gene and protein structure, expression regulation and physiological functions, but focuses mainly on the role of autotaxin in cancer development and progression. Autotaxin and lysophosphatidic acid signalling influence several aspects of cancer, including cell proliferation, migration, metastasis, therapy resistance, and interactions with the immune system. The potential of autotaxin as a diagnostic biomarker and promising drug target is also examined.
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Affiliation(s)
- Ondřej Vít
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czech Republic.
| | - Jiří Petrák
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czech Republic
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7
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Chae CS, Sandoval TA, Hwang SM, Park ES, Giovanelli P, Awasthi D, Salvagno C, Emmanuelli A, Tan C, Chaudhary V, Casado J, Kossenkov AV, Song M, Barrat FJ, Holcomb K, Romero-Sandoval EA, Zamarin D, Pépin D, D’Andrea AD, Färkkilä A, Cubillos-Ruiz JR. Tumor-Derived Lysophosphatidic Acid Blunts Protective Type I Interferon Responses in Ovarian Cancer. Cancer Discov 2022; 12:1904-1921. [PMID: 35552618 PMCID: PMC9357054 DOI: 10.1158/2159-8290.cd-21-1181] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 04/05/2022] [Accepted: 05/09/2022] [Indexed: 02/07/2023]
Abstract
Lysophosphatidic acid (LPA) is a bioactive lipid enriched in the tumor microenvironment of immunosuppressive malignancies such as ovarian cancer. Although LPA enhances the tumorigenic attributes of cancer cells, the immunomodulatory activity of this phospholipid messenger remains largely unexplored. Here, we report that LPA operates as a negative regulator of type I interferon (IFN) responses in ovarian cancer. Ablation of the LPA-generating enzyme autotaxin (ATX) in ovarian cancer cells reprogrammed the tumor immune microenvironment, extended host survival, and improved the effects of therapies that elicit protective responses driven by type I IFN. Mechanistically, LPA sensing by dendritic cells triggered PGE2 biosynthesis that suppressed type I IFN signaling via autocrine EP4 engagement. Moreover, we identified an LPA-controlled, immune-derived gene signature associated with poor responses to combined PARP inhibition and PD-1 blockade in patients with ovarian cancer. Controlling LPA production or sensing in tumors may therefore be useful to improve cancer immunotherapies that rely on robust induction of type I IFN. SIGNIFICANCE This study uncovers that ATX-LPA is a central immunosuppressive pathway in the ovarian tumor microenvironment. Ablating this axis sensitizes ovarian cancer hosts to various immunotherapies by unleashing protective type I IFN responses. Understanding the immunoregulatory programs induced by LPA could lead to new biomarkers predicting resistance to immunotherapy in patients with cancer. See related commentary by Conejo-Garcia and Curiel, p. 1841. This article is highlighted in the In This Issue feature, p. 1825.
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Affiliation(s)
- Chang-Suk Chae
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Tito A. Sandoval
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Sung-Min Hwang
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Eun Sil Park
- Department of Ophthalmology, Columbia University, New York, NY 10032, USA
| | - Paolo Giovanelli
- Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065. USA.,Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA
| | - Deepika Awasthi
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Camilla Salvagno
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Alexander Emmanuelli
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA.,Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065. USA
| | - Chen Tan
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - Vidyanath Chaudhary
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA
| | - Julia Casado
- Research Program in Systems Oncology, University of Helsinki, Helsinki, Finland.,Department of Obstetrics and Gynecology, Helsinki University Hospital, Helsinki, Finland
| | - Andrew V. Kossenkov
- Center for Systems and Computational Biology, The Wistar Institute, Philadelphia, PA, 19104, USA
| | - Minkyung Song
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, and Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon, Gyeonggi-do, Korea
| | - Franck J. Barrat
- Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065. USA.,HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY 10021, USA
| | - Kevin Holcomb
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA
| | - E. Alfonso Romero-Sandoval
- Department of Anesthesiology, Pain Mechanisms Laboratory, Wake Forest University School of Medicine, Winston-Salem, NC, 27157, USA
| | - Dmitriy Zamarin
- Department of Medicine, Gynecologic Medical Oncology Service, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA
| | - David Pépin
- Pediatric Surgical Research Laboratories, Massachusetts General Hospital; Department of Surgery, Harvard Medical School, Boston, MA 02115, USA
| | - Alan D. D’Andrea
- Susan F. Smith Center for Women’s Cancers, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA
| | - Anniina Färkkilä
- Research Program in Systems Oncology, University of Helsinki, Helsinki, Finland.,Department of Obstetrics and Gynecology, Helsinki University Hospital, Helsinki, Finland
| | - Juan R. Cubillos-Ruiz
- Department of Obstetrics and Gynecology, Weill Cornell Medicine. New York, NY 10065, USA.,Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10065. USA.,Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10065, USA,Correspondence: Juan R. Cubillos-Ruiz, Ph.D., Associate Professor of Immunology, Weill Cornell Medicine, New York, NY, , Phone: 212-743-1323
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8
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Rocha SM, Sousa I, Gomes IM, Arinto P, Costa-Pinheiro P, Coutinho E, Santos CR, Jerónimo C, Lemos MC, Passarinha LA, Socorro S, Maia CJ. Promoter Demethylation Upregulates STEAP1 Gene Expression in Human Prostate Cancer: In Vitro and In Silico Analysis. Life (Basel) 2021; 11:life11111251. [PMID: 34833128 PMCID: PMC8618799 DOI: 10.3390/life11111251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 12/22/2022] Open
Abstract
The Six Transmembrane Epithelial Antigen of the Prostate (STEAP1) is an oncogene overexpressed in several human tumors, particularly in prostate cancer (PCa). However, the mechanisms involved in its overexpression remain unknown. It is well known that epigenetic modifications may result in abnormal gene expression patterns, contributing to tumor initiation and progression. Therefore, this study aimed to analyze the methylation pattern of the STEAP1 gene in PCa versus non-neoplastic cells. Bisulfite amplicon sequencing of the CpG island at the STEAP1 gene promoter showed a higher methylation level in non-neoplastic PNT1A prostate cells than in human PCa samples. Bioinformatic analysis of the GEO datasets also showed the STEAP1 gene promoter as being demethylated in human PCa, and a negative association with STEAP1 mRNA expression was observed. These results are supported by the treatment of non-neoplastic PNT1A cells with DNMT and HDAC inhibitors, which induced a significant increase in STEAP1 mRNA expression. In addition, the involvement of HDAC in the regulation of STEAP1 mRNA expression was corroborated by a negative association between STEAP1 mRNA expression and HDAC4,5,7 and 9 in human PCa. In conclusion, our work indicates that STEAP1 overexpression in PCa can be driven by the hypomethylation of STEAP1 gene promoter.
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Affiliation(s)
- Sandra M. Rocha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Inês Sousa
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- Department of Medical Sciences, Institute of Biomedicine—iBiMED, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Inês M. Gomes
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Patrícia Arinto
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Pedro Costa-Pinheiro
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal; (P.C.-P.); (C.J.)
| | - Eduarda Coutinho
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Cecília R. Santos
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, IPO Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal; (P.C.-P.); (C.J.)
- Department of Pathology and Molecular Immunology, School of Medicine and Biomedical Sciences, Universidade do Porto (ICBAS-UP), 4050-513 Porto, Portugal
| | - Manuel C. Lemos
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- C4-UBI, Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
| | - Luís A. Passarinha
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- UCIBIO-Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2819-516 Caparica, Portugal
- Laboratório de Fármaco-Toxicologia-UBIMedical, Universidade da Beira Interior, 6201-284 Covilhã, Portugal
| | - Sílvia Socorro
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
| | - Cláudio J. Maia
- CICS-UBI-Health Sciences Research Center, Universidade da Beira Interior, 6201-506 Covilhã, Portugal; (S.M.R.); (I.S.); (I.M.G.); (P.A.); (E.C.); (C.R.S.); (M.C.L.); (L.A.P.); (S.S.)
- C4-UBI, Cloud Computing Competence Center, Universidade da Beira Interior, 6200-501 Covilhã, Portugal
- Correspondence: ; Tel.: +351-275-329-069
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9
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Histone Deacetylase 7 Inhibition in a Murine Model of Gram-Negative Pneumonia-Induced Acute Lung Injury. Shock 2021; 53:344-351. [PMID: 31083049 DOI: 10.1097/shk.0000000000001372] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Pulmonary infections remain the most common cause of Acute Respiratory Distress Syndrome (ARDS), a pulmonary inflammatory disease with high mortality, for which no targeted therapy currently exists. We have previously demonstrated an ameliorated syndrome with early, broad spectrum Histone Deacetylase (HDAC) inhibition in a murine model of gram-negative pneumonia-induced Acute Lung Injury (ALI), the underlying pulmonary pathologic phenotype leading to ARDS. With the current project we aim to determine if selective inhibition of a specific HDAC leads to a similar pro-survival phenotype, potentially pointing to a future therapeutic target. METHODS C57Bl/6 mice underwent endotracheal instillation of 30×10Escherichia coli (strain 19138) versus saline (n = 24). Half the infected mice were administered Trichostatin A (TSA) 30 min later. All animals were sacrificed 6 h later for tissue sampling and HDAC quantification, while another set of animals (n = 24) was followed to determine survival. Experiments were repeated with selective siRNA inhibition of the HDAC demonstrating the greatest inhibition versus scrambled siRNA (n = 24). RESULTS TSA significantly ameliorated the inflammatory phenotype and improved survival in infected-ALI mice, and HDAC7 was the HDAC with the greatest transcription and protein translation suppression. Similar results were obtained with selective HDAC7 siRNA inhibition compared with scrambled siRNA. CONCLUSION HDAC7 appears to play a key role in the inflammatory response that leads to ALI after gram-negative pneumonia in mice.
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Zhang X, Li M, Yin N, Zhang J. The Expression Regulation and Biological Function of Autotaxin. Cells 2021; 10:cells10040939. [PMID: 33921676 PMCID: PMC8073485 DOI: 10.3390/cells10040939] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/15/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023] Open
Abstract
Autotaxin (ATX) is a secreted glycoprotein and functions as a key enzyme to produce extracellular lysophosphatidic acid (LPA). LPA interacts with at least six G protein-coupled receptors, LPAR1-6, on the cell membrane to activate various signal transduction pathways through distinct G proteins, such as Gi/0, G12/13, Gq/11, and Gs. The ATX-LPA axis plays an important role in physiological and pathological processes, including embryogenesis, obesity, and inflammation. ATX is one of the top 40 most unregulated genes in metastatic cancer, and the ATX-LPA axis is involved in the development of different types of cancers, such as colorectal cancer, ovarian cancer, breast cancer, and glioblastoma. ATX expression is under multifaceted controls at the transcription, post-transcription, and secretion levels. ATX and LPA in the tumor microenvironment not only promote cell proliferation, migration, and survival, but also increase the expression of inflammation-related circuits, which results in poor outcomes for patients with cancer. Currently, ATX is regarded as a potential cancer therapeutic target, and an increasing number of ATX inhibitors have been developed. In this review, we focus on the mechanism of ATX expression regulation and the functions of ATX in cancer development.
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Affiliation(s)
| | | | | | - Junjie Zhang
- Correspondence: ; Tel.: +86-10-58802137; Fax: +86-10-58807720
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11
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Xu X, Zhang Y, Zhang J, Zhang X. NSun2 promotes cell migration through methylating autotaxin mRNA. J Biol Chem 2020; 295:18134-18147. [PMID: 33093178 PMCID: PMC7939462 DOI: 10.1074/jbc.ra119.012009] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 10/11/2020] [Indexed: 01/11/2023] Open
Abstract
NSun2 is an RNA methyltransferase introducing 5-methylcytosine into tRNAs, mRNAs, and noncoding RNAs, thereby influencing the levels or function of these RNAs. Autotaxin (ATX) is a secreted glycoprotein and is recognized as a key factor in converting lysophosphatidylcholine into lysophosphatidic acid (LPA). The ATX-LPA axis exerts multiple biological effects in cell survival, migration, proliferation, and differentiation. Here, we show that NSun2 is involved in the regulation of cell migration through methylating ATX mRNA. In the human glioma cell line U87, knockdown of NSun2 decreased ATX protein levels, whereas overexpression of NSun2 elevated ATX protein levels. However, neither overexpression nor knockdown of NSun2 altered ATX mRNA levels. Further studies revealed that NSun2 methylated the 3'-UTR of ATX mRNA at cytosine 2756 in vitro and in vivo Methylation by NSun2 enhanced ATX mRNA translation. In addition, NSun2-mediated 5-methylcytosine methylation promoted the export of ATX mRNA from nucleus to cytoplasm in an ALYREF-dependent manner. Knockdown of NSun2 suppressed the migration of U87 cells, which was rescued by the addition of LPA. In summary, we identify NSun2-mediated methylation of ATX mRNA as a novel mechanism in the regulation of ATX.
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Affiliation(s)
- Xin Xu
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Yihua Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China
| | - Junjie Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China; Academy of Plateau Science and Sustainability, People's Government of Qinghai Province & Beijing Normal University, Xining, China.
| | - Xiaotian Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, China.
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12
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HDAC7 promotes the oncogenicity of nasopharyngeal carcinoma cells by miR-4465-EphA2 signaling axis. Cell Death Dis 2020; 11:322. [PMID: 32376822 PMCID: PMC7203158 DOI: 10.1038/s41419-020-2521-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 12/29/2022]
Abstract
HDAC7 plays a crucial role in cancers, and is the main drug target of several HDAC inhibitors. However, the role and mechanism of HDAC7 in nasopharyngeal carcinoma (NPC) are still unclear. In this study, we observed that HDAC7 was significantly upregulated in the NPC tissues relative to normal nasopharyngeal mucosa (NNM) tissues, HDAC7 expression levels were positively correlated with NPC progression and negatively correlated with patient prognosis, and HDAC7 knockdown dramatically inhibited the in vitro proliferation, migration, and invasion of NPC cells, and the growth of NPC xenografts in mice, indicating the HDAC7 promotes the oncogenicity of NPC. Mechanistically, HDAC7 promoted the in vitro proliferation, migration, and invasion of NPC cells by upregulating EphA2, in which miR-4465 mediated HDAC7-regulating EphA2, a direct target gene of miR-4465. We further showed that miR-4465 was significantly downregulated in the NPC tissues relative to NNM tissues, and inhibited the in vitro proliferation, migration, and invasion of NPC cells by targeting EphA2 expression. Moreover, we observed that the expressions of HDAC7, miR-4465, and EphA2 in NPC tissues were correlated. The results suggest that HDAC7 promotes the oncogenicity of NPC by downregulating miR-4465 and subsequently upregulating EphA2, highlighting HDAC7 as a potential therapeutic target for NPC.
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13
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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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14
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Letter to the Editor: "Histone Deacetylase 7 Inhibition in a Murine Model of Gram-Negative Pneumonia-Induced Acute Lung Injury" Shock 53:344-351, 2020. Shock 2020; 53:375. [PMID: 32044849 PMCID: PMC9970038 DOI: 10.1097/shk.0000000000001430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Pleotropic Roles of Autotaxin in the Nervous System Present Opportunities for the Development of Novel Therapeutics for Neurological Diseases. Mol Neurobiol 2019; 57:372-392. [PMID: 31364025 DOI: 10.1007/s12035-019-01719-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 07/23/2019] [Indexed: 12/23/2022]
Abstract
Autotaxin (ATX) is a soluble extracellular enzyme that is abundant in mammalian plasma and cerebrospinal fluid (CSF). It has two known enzymatic activities, acting as both a phosphodiesterase and a phospholipase. The majority of its biological effects have been associated with its ability to liberate lysophosphatidic acid (LPA) from its substrate, lysophosphatidylcholine (LPC). LPA has diverse pleiotropic effects in the central nervous system (CNS) and other tissues via the activation of a family of six cognate G protein-coupled receptors. These LPA receptors (LPARs) are expressed in some combination in all known cell types in the CNS where they mediate such fundamental cellular processes as proliferation, differentiation, migration, chronic inflammation, and cytoskeletal organization. As a result, dysregulation of LPA content may contribute to many CNS and PNS disorders such as chronic inflammatory or neuropathic pain, glioblastoma multiforme (GBM), hemorrhagic hydrocephalus, schizophrenia, multiple sclerosis, Alzheimer's disease, metabolic syndrome-induced brain damage, traumatic brain injury, hepatic encephalopathy-induced cerebral edema, macular edema, major depressive disorder, stress-induced psychiatric disorder, alcohol-induced brain damage, HIV-induced brain injury, pruritus, and peripheral nerve injury. ATX activity is now known to be the primary biological source of this bioactive signaling lipid, and as such, represents a potentially high-value drug target. There is currently one ATX inhibitor entering phase III clinical trials, with several additional preclinical compounds under investigation. This review discusses the physiological and pathological significance of the ATX-LPA-LPA receptor signaling axis and summarizes the evidence for targeting this pathway for the treatment of CNS diseases.
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16
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Wang Y, Lyu L, Zhang X, Zhang J. Autotaxin is a novel target of microRNA-101-3p. FEBS Open Bio 2019; 9:707-716. [PMID: 30984544 PMCID: PMC6443858 DOI: 10.1002/2211-5463.12608] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/26/2019] [Accepted: 02/04/2019] [Indexed: 12/13/2022] Open
Abstract
Autotaxin (ATX), a vital enzyme that generates lysophosphatidic acid (LPA), affects many biological processes, including tumorigenesis, via the ATX–LPA axis. In this study, we demonstrate that microRNA‐101‐3p (miR‐101‐3p), a well‐known tumor suppressor, downregulates ATX expression at the posttranscriptional level. We found that miR‐101‐3p inhibits ATX regulation by directly targeting a conserved sequence in the ATX mRNA 3′UTR. Moreover, we observed an inverse correlation between ATX and miR‐101‐3p levels in various types of cancer cells. ATX is highly expressed in several human cancers. Here, we verified that ATX expression is significantly inhibited by miR‐101‐3p in U87 and HCT116 cells. ATX downregulation contributed to the suppression of migration, invasion, and proliferation mediated by miR‐101‐3p; furthermore, the tumor‐suppressing activity of miR‐101‐3p was partially reduced by the addition of LPA in U87 cells. Our data suggest that ATX is a novel target of miR‐101‐3p.
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Affiliation(s)
- Yuqin Wang
- The Key Laboratory of Cell Proliferation and Regulation Biology Ministry of Education Institute of Cell Biology College of Life Sciences Beijing Normal University China
| | - Lin Lyu
- The Key Laboratory of Cell Proliferation and Regulation Biology Ministry of Education Institute of Cell Biology College of Life Sciences Beijing Normal University China
| | - Xiaotian Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology Ministry of Education Institute of Cell Biology College of Life Sciences Beijing Normal University China
| | - Junjie Zhang
- The Key Laboratory of Cell Proliferation and Regulation Biology Ministry of Education Institute of Cell Biology College of Life Sciences Beijing Normal University China
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17
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Ninou I, Magkrioti C, Aidinis V. Autotaxin in Pathophysiology and Pulmonary Fibrosis. Front Med (Lausanne) 2018; 5:180. [PMID: 29951481 PMCID: PMC6008954 DOI: 10.3389/fmed.2018.00180] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 05/25/2018] [Indexed: 12/17/2022] Open
Abstract
Lysophospholipid signaling is emerging as a druggable regulator of pathophysiological responses, and especially fibrosis, exemplified by the relative ongoing clinical trials in idiopathic pulmonary fibrosis (IPF) patients. In this review, we focus on ectonucleotide pyrophosphatase-phosphodiesterase 2 (ENPP2), or as more widely known Autotaxin (ATX), a secreted lysophospholipase D (lysoPLD) largely responsible for extracellular lysophosphatidic acid (LPA) production. In turn, LPA is a bioactive phospholipid autacoid, forming locally upon increased ATX levels and acting also locally through its receptors, likely guided by ATX's structural conformation and cell surface associations. Increased ATX activity levels have been detected in many inflammatory and fibroproliferative conditions, while genetic and pharmacologic studies have confirmed a pleiotropic participation of ATX/LPA in different processes and disorders. In pulmonary fibrosis, ATX levels rise in the broncheoalveolar fluid (BALF) and stimulate LPA production. LPA engagement of its receptors activate multiple G-protein mediated signal transduction pathways leading to different responses from pulmonary cells including the production of pro-inflammatory signals from stressed epithelial cells, the modulation of endothelial physiology, the activation of TGF signaling and the stimulation of fibroblast accumulation. Genetic or pharmacologic targeting of the ATX/LPA axis attenuated disease development in animal models, thus providing the proof of principle for therapeutic interventions.
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Affiliation(s)
- Ioanna Ninou
- Division of Immunology, Alexander Fleming Biomedical Sciences Research Center, Athens, Greece
| | - Christiana Magkrioti
- Division of Immunology, Alexander Fleming Biomedical Sciences Research Center, Athens, Greece
| | - Vassilis Aidinis
- Division of Immunology, Alexander Fleming Biomedical Sciences Research Center, Athens, Greece
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Kee HJ, Kim GR, Lin MQ, Choi SY, Ryu Y, Jin L, Piao ZH, Jeong MH. Expression of Class I and Class II a/b Histone Deacetylase is Dysregulated in Hypertensive Animal Models. Korean Circ J 2017; 47:392-400. [PMID: 28567090 PMCID: PMC5449534 DOI: 10.4070/kcj.2016.0266] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 08/25/2016] [Accepted: 10/07/2016] [Indexed: 11/11/2022] Open
Abstract
Background and Objectives Dysregulation of histone deacetylase expression and enzymatic activity is associated with a number of diseases. It has been reported that protein levels of histone deacetylase (HDAC)1 and HDAC5 increase during human pulmonary hypertension, and that the enzymatic activity of HDAC6 is induced in a chronic hypertensive animal model. This study investigated the protein expression profiles of class I and II a/b HDACs in three systemic hypertension models. Subjects and Methods We used three different hypertensive animal models: (i) Wistar-Kyoto rats (n=8) and spontaneously hypertensive rats (SHR; n=8), (ii) mice infused with saline or angiotensin II to induce hypertension, via osmotic mini-pump for 2 weeks, and (iii) mice that were allowed to drink L-NG-nitro-L-arginine methyl ester (L-NAME) to induce hypertension. Results SHR showed high systolic, diastolic, and mean blood pressures. Similar increases in systolic blood pressure were observed in angiotensin II or L-NAME-induced hypertensive mice. In SHR, class IIa HDAC (HDAC4, 5, and 7) and class IIb HDAC (HDAC6 and 10) protein expression were significantly increased. In addition, a HDAC3 protein expression was induced in SHR. However, in L-NAME mice, class IIa HDAC protein levels (HDAC4, 5, 7, and 9) were significantly reduced. HDAC8 protein levels were significantly reduced both in angiotensin II mice and in SHR. Conclusion These results indicate that dysregulation of class I and class II HDAC protein is closely associated with chronic hypertension.
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Affiliation(s)
- Hae Jin Kee
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
| | - Gwi Ran Kim
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
| | - Ming Quan Lin
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea.,Yanbian University Hospital, Yanbian, Jilin, China
| | - Sin Young Choi
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
| | - Yuhee Ryu
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
| | - Li Jin
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea.,Jilin Hospital Affiliated with Jilin University, Jilin, China
| | - Zhe Hao Piao
- The Second Hospital of Jilin University, Changchun, China
| | - Myung Ho Jeong
- Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
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19
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Jeong MH, Ko H, Jeon H, Sung GJ, Park SY, Jun WJ, Lee YH, Lee J, Lee SW, Yoon HG, Choi KC. Delphinidin induces apoptosis via cleaved HDAC3-mediated p53 acetylation and oligomerization in prostate cancer cells. Oncotarget 2016; 7:56767-56780. [PMID: 27462923 PMCID: PMC5302952 DOI: 10.18632/oncotarget.10790] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 06/04/2016] [Indexed: 12/28/2022] Open
Abstract
Delphinidin is a major anthocyanidin compound found in various fruits. It has anti-inflammatory, anti-oxidant, and various other biological activities. In this study, we identified the epigenetic modulators that mediate the apoptotic effect of delphinidin in human prostate cancer cells. We found that treatment of LNCaP cells (a p53 wild-type, human prostate cancer cell line) with delphinidin increased caspase-3, -7, and -8 activity, whereas it decreased histone deacetylase activity. Among class I HDACs, the activity of HDAC3 was specifically inhibited by delphinidin. Moreover, the induction of apoptosis by delphinidin was dependent on caspase-mediated cleavage of HDAC3, which results in the acetylation and stabilization of p53. We also observed that delphinidin potently upregulated pro-apoptotic genes that are positively regulated by p53, and downregulated various anti-apoptotic genes. Taken together, these results show that delphinidin induces p53-mediated apoptosis by suppressing HDAC activity and activating p53 acetylation in human prostate cancer LNCaP cells. Therefore, delphinidin may be useful in the prevention of prostate cancer.
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Affiliation(s)
- Mi-Hyeon Jeong
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Department of Biochemistry and Molecular Biology, Center for Chronic Metabolic Disease Research, Brain Korea 21 Plus Project for Medical Sciences, Severance Medical Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Hyeonseok Ko
- Laboratory of Molecular Oncology, Cheil General Hospital & Women's Healthcare Center, Dankook University College of Medicine, Seoul, South Korea
| | - Hyelin Jeon
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Department of Pharmacology, University of Ulsan College of Medicine, Seoul, Korea
| | - Gi-Jun Sung
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Department of Pharmacology, University of Ulsan College of Medicine, Seoul, Korea
| | - Soo-Yeon Park
- Department of Biochemistry and Molecular Biology, Center for Chronic Metabolic Disease Research, Brain Korea 21 Plus Project for Medical Sciences, Severance Medical Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Woo Jin Jun
- Department of Food and Nutrition, Chonnam National University, Gwangju, South Korea
| | - Yoo-Hyun Lee
- Department of Food Science and Nutrition, The University of Suwon, Kyunggi-do, South Korea
| | - Jeongmin Lee
- Department of Medical Nutrition, Kyung Hee University, Yongin-si, Kyunggi-do, South Korea
| | - Sang-wook Lee
- Department of Radiation Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ho-Geun Yoon
- Department of Biochemistry and Molecular Biology, Center for Chronic Metabolic Disease Research, Brain Korea 21 Plus Project for Medical Sciences, Severance Medical Research Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung-Chul Choi
- Department of Biomedical Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Department of Pharmacology, University of Ulsan College of Medicine, Seoul, Korea
- Cell Dysfunction Research Center (CDRC), University of Ulsan College of Medicine, Seoul, South Korea
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Barbayianni E, Kaffe E, Aidinis V, Kokotos G. Autotaxin, a secreted lysophospholipase D, as a promising therapeutic target in chronic inflammation and cancer. Prog Lipid Res 2015; 58:76-96. [DOI: 10.1016/j.plipres.2015.02.001] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 01/20/2015] [Accepted: 02/12/2015] [Indexed: 02/07/2023]
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21
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Kadekar S, Silins I, Korhonen A, Dreij K, Al-Anati L, Högberg J, Stenius U. Exocrine pancreatic carcinogenesis and autotaxin expression. PLoS One 2012; 7:e43209. [PMID: 22952646 PMCID: PMC3430650 DOI: 10.1371/journal.pone.0043209] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Accepted: 07/18/2012] [Indexed: 12/12/2022] Open
Abstract
Exocrine pancreatic cancer is an aggressive disease with an exceptionally high mortality rate. Genetic analysis suggests a causative role for environmental factors, but consistent epidemiological support is scarce and no biomarkers for monitoring the effects of chemical pancreatic carcinogens are available. With the objective to identify common traits for chemicals inducing pancreatic tumors we studied the National Toxicology Program (NTP) bioassay database. We found that male rats were affected more often than female rats and identified eight chemicals that induced exocrine pancreatic tumors in males only. For a hypothesis generating process we used a text mining tool to analyse published literature for suggested mode of actions (MOA). The resulting MOA analysis suggested inflammatory responses as common feature. In cell studies we found that all the chemicals increased protein levels of the inflammatory protein autotaxin (ATX) in Panc-1, MIA PaCa-2 or Capan-2 cells. Induction of MMP-9 and increased invasive migration were also frequent effects, consistent with ATX activation. Testosterone has previously been implicated in pancreatic carcinogenesis and we found that it increased ATX levels. Our data show that ATX is a target for chemicals inducing pancreatic tumors in rats. Several lines of evidence implicate ATX and its product lysophosphatidic acid in human pancreatic cancer. Mechanisms of action may include stimulated invasive growth and metastasis. ATX may interact with hormones or onco- or suppressor-genes often deregulated in exocrine pancreatic cancer. Our data suggest that ATX is a target for chemicals promoting pancreatic tumor development.
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Affiliation(s)
- Sandeep Kadekar
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ilona Silins
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- * E-mail:
| | - Anna Korhonen
- Computer Laboratory, University of Cambridge, Cambridge, United Kingdom
| | - Kristian Dreij
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Lauy Al-Anati
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Johan Högberg
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ulla Stenius
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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