1
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Milite C, Sarno G, Pacilio I, Cianciulli A, Viviano M, Iannelli G, Gazzillo E, Feoli A, Cipriano A, Giovanna Chini M, Castellano S, Bifulco G, Sbardella G. Prodrug Approach to Exploit (S)-Alanine Amide as Arginine Mimic Moiety in the Development of Protein Arginine Methyltransferase 4 Inhibitors. ChemMedChem 2024:e202400139. [PMID: 38752332 DOI: 10.1002/cmdc.202400139] [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: 02/20/2024] [Revised: 05/15/2024] [Indexed: 06/27/2024]
Abstract
Protein arginine methyltransferase (PRMT) 4 (also known as coactivator-associated arginine methyltransferase 1; CARM1) is involved in a variety of biological processes and is considered as an emerging target class in oncology and other diseases. A successful strategy to identify PRMT substrate-competitive inhibitors has been to exploit chemical scaffolds able to mimic the arginine substrate. (S)-Alanine amide moiety is a valuable arginine mimic for the development of potent and selective PRMT4 inhibitors; however, its high hydrophilicity led to derivatives with poor cellular outcomes. Here, we describe the development of PRMT4 inhibitors featuring a central pyrrole core and an alanine amide moiety. Rounds of optimization, aimed to increase lipophilicity and simultaneously preserve the inhibitory activity, produced derivatives that, despite good potency and physicochemical properties, did not achieve on-target effects in cells. On the other hand, masking the amino group with a NAD(P)H:quinone oxidoreductase 1 (NQO1)-responsive trigger group, led to prodrugs able to reduce arginine dimethylation of the PRMT4 substrates BRG1-associated factor 155 (BAF155). These results indicate that prodrug strategies can be successfully applied to alanine-amide containing PRMT4 inhibitors and provide an option to enable such compounds to achieve sufficiently high exposures in vivo.
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Affiliation(s)
- Ciro Milite
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Giuliana Sarno
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
- PhD Program in Drug Discovery and Development, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Ida Pacilio
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
- PhD Program in Drug Discovery and Development, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Agostino Cianciulli
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
- Present Address: Center for Drug Discovery and Development-DMPK, Aptuit, an Evotec Company, Via A. Fleming,4, 37135, Verona, Italy
| | - Monica Viviano
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Giulia Iannelli
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
- Present Address: Institute of Organic Chemistry, University of Vienna, WähringerStraße38, 1090, Wien, Austria
| | - Erica Gazzillo
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
- PhD Program in Drug Discovery and Development, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Alessandra Feoli
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Alessandra Cipriano
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Maria Giovanna Chini
- Dipartimento di Bioscienze e Territorio, University of Molise, Contrada Fonte, Lappone, 86090 Isernia, Italy
| | - Sabrina Castellano
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Giuseppe Bifulco
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
| | - Gianluca Sbardella
- Department of Pharmacy, University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy
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2
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Itonaga H, Mookhtiar AK, Greenblatt SM, Liu F, Martinez C, Bilbao D, Rains M, Hamard PJ, Sun J, Umeano AC, Duffort S, Chen C, Man N, Mas G, Tottone L, Totiger T, Bradley T, Taylor J, Schürer S, Nimer SD. Tyrosine phosphorylation of CARM1 promotes its enzymatic activity and alters its target specificity. Nat Commun 2024; 15:3415. [PMID: 38649367 PMCID: PMC11035800 DOI: 10.1038/s41467-024-47689-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
An important epigenetic component of tyrosine kinase signaling is the phosphorylation of histones, and epigenetic readers, writers, and erasers. Phosphorylation of protein arginine methyltransferases (PRMTs), have been shown to enhance and impair their enzymatic activity. In this study, we show that the hyperactivation of Janus kinase 2 (JAK2) by the V617F mutation phosphorylates tyrosine residues (Y149 and Y334) in coactivator-associated arginine methyltransferase 1 (CARM1), an important target in hematologic malignancies, increasing its methyltransferase activity and altering its target specificity. While non-phosphorylatable CARM1 methylates some established substrates (e.g. BAF155 and PABP1), only phospho-CARM1 methylates the RUNX1 transcription factor, on R223 and R319. Furthermore, cells expressing non-phosphorylatable CARM1 have impaired cell-cycle progression and increased apoptosis, compared to cells expressing phosphorylatable, wild-type CARM1, with reduced expression of genes associated with G2/M cell cycle progression and anti-apoptosis. The presence of the JAK2-V617F mutant kinase renders acute myeloid leukemia (AML) cells less sensitive to CARM1 inhibition, and we show that the dual targeting of JAK2 and CARM1 is more effective than monotherapy in AML cells expressing phospho-CARM1. Thus, the phosphorylation of CARM1 by hyperactivated JAK2 regulates its methyltransferase activity, helps select its substrates, and is required for the maximal proliferation of malignant myeloid cells.
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Affiliation(s)
- Hidehiro Itonaga
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Adnan K Mookhtiar
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Sarah M Greenblatt
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
- Genomics Institute of the Novartis Research Foundation, San Diego, CA, 92121, USA
| | - Fan Liu
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
- Department of Biochemistry and Molecular Biology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Concepcion Martinez
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Daniel Bilbao
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Masai Rains
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Pierre-Jacques Hamard
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
- Center for Epigenetics, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Jun Sun
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
- Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Afoma C Umeano
- Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Stephanie Duffort
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Chuan Chen
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Na Man
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Gloria Mas
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Luca Tottone
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Tulasigeri Totiger
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Terrence Bradley
- Department of Medicine, Division of Hematology, Sylvester Comprehensive Cancer Center, University of Miami Health System, Miami, FL, 33136, USA
| | - Justin Taylor
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Stephan Schürer
- Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA
| | - Stephen D Nimer
- Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA.
- Department of Biochemistry and Molecular Biology, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA.
- Department of Medicine, University of Miami, Miller School of Medicine, Miami, FL, 33136, USA.
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3
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Harada K, Carr SM, Shrestha A, La Thangue NB. Citrullination and the protein code: crosstalk between post-translational modifications in cancer. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220243. [PMID: 37778382 PMCID: PMC10542456 DOI: 10.1098/rstb.2022.0243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/05/2023] [Indexed: 10/03/2023] Open
Abstract
Post-translational modifications (PTMs) of proteins are central to epigenetic regulation and cellular signalling, playing an important role in the pathogenesis and progression of numerous diseases. Growing evidence indicates that protein arginine citrullination, catalysed by peptidylarginine deiminases (PADs), is involved in many aspects of molecular and cell biology and is emerging as a potential druggable target in multiple diseases including cancer. However, we are only just beginning to understand the molecular activities of PADs, and their underlying mechanistic details in vivo under both physiological and pathological conditions. Many questions still remain regarding the dynamic cellular functions of citrullination and its interplay with other types of PTMs. This review, therefore, discusses the known functions of PADs with a focus on cancer biology, highlighting the cross-talk between citrullination and other types of PTMs, and how this interplay regulates downstream biological events. This article is part of the Theo Murphy meeting issue 'The virtues and vices of protein citrullination'.
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Affiliation(s)
- Koyo Harada
- Laboratory of Cancer Biology, Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Simon M. Carr
- Laboratory of Cancer Biology, Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Amit Shrestha
- Laboratory of Cancer Biology, Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Nicholas B. La Thangue
- Laboratory of Cancer Biology, Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
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4
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Santos M, Hwang JW, Bedford MT. CARM1 arginine methyltransferase as a therapeutic target for cancer. J Biol Chem 2023; 299:105124. [PMID: 37536629 PMCID: PMC10474102 DOI: 10.1016/j.jbc.2023.105124] [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: 05/30/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/05/2023] Open
Abstract
Coactivator-associated arginine methyltransferase 1 (CARM1) is an arginine methyltransferase that posttranslationally modifies proteins that regulate multiple levels of RNA production and processing. Its substrates include histones, transcription factors, coregulators of transcription, and splicing factors. CARM1 is overexpressed in many different cancer types, and often promotes transcription factor programs that are co-opted as drivers of the transformed cell state, a process known as transcription factor addiction. Targeting these oncogenic transcription factor pathways is difficult but could be addressed by removing the activity of the key coactivators on which they rely. CARM1 is ubiquitously expressed, and its KO is less detrimental in embryonic development than deletion of the arginine methyltransferases protein arginine methyltransferase 1 and protein arginine methyltransferase 5, suggesting that therapeutic targeting of CARM1 may be well tolerated. Here, we will summarize the normal in vivo functions of CARM1 that have been gleaned from mouse studies, expand on the transcriptional pathways that are regulated by CARM1, and finally highlight recent studies that have identified oncogenic properties of CARM1 in different biological settings. This review is meant to kindle an interest in the development of human drug therapies targeting CARM1, as there are currently no CARM1 inhibitors available for use in clinical trials.
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Affiliation(s)
- Margarida Santos
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
| | - Jee Won Hwang
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Mark T Bedford
- Department of Epigenetics & Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
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5
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Matsuda C, Ishii K, Nakagawa Y, Shirai T, Sasaki T, Hirokawa YS, Iguchi K, Watanabe M. Fibroblast-derived exosomal microRNA regulates NKX3-1 expression in androgen-sensitive, androgen receptor-dependent prostate cancer cells. J Cell Biochem 2023; 124:1135-1144. [PMID: 37334663 DOI: 10.1002/jcb.30435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/25/2023] [Accepted: 06/05/2023] [Indexed: 06/20/2023]
Abstract
Androgen deprivation therapy (ADT) targeting androgen production and androgen receptor (AR) signaling is the primary antihormonal therapy in the treatment of advanced prostate cancer (PCa). However, no clinically established molecular biomarkers have been identified to predict the effectiveness of ADT before starting ADT. The tumor microenvironment of PCa contains fibroblasts that regulate PCa progression by producing multiple soluble factors. We have previously reported that AR-activating factor-secreted fibroblasts increase the responsiveness of androgen-sensitive, AR-dependent PCa cells to ADT. Thus, we hypothesized that fibroblast-derived soluble factors may affect cancer cell differentiation by regulating cancer-related gene expression in PCa cells and that the biochemical characteristics of fibroblasts may be used to predict the effectiveness of ADT. Here, we investigated the effects of normal fibroblasts (PrSC cells) and three PCa patient-derived fibroblast lines (pcPrF-M5, -M28, and -M31 cells) on the expression of cancer-related genes in androgen-sensitive, AR-dependent human PCa cells (LNCaP cells) and three sublines showing different androgen sensitivities and AR dependencies. The mRNA expression of the tumor suppressor gene NKX3-1 in LNCaP cells and E9 cells (which show low androgen sensitivity and AR dependency) was significantly increased by treatment with conditioned media from PrSC and pcPrF-M5 cells but not from pcPrF-M28 and pcPrF-M31 cells. Notably, no upregulation of NKX3-1 was observed in F10 cells (AR-V7-expressing, AR-independent cells with low androgen sensitivity) and AIDL cells (androgen-insensitive, AR-independent cells). Among 81 common fibroblast-derived exosomal microRNAs that showed 0.5-fold lower expression in pcPrF-M28 and pcPrF-M31 cells than in PrSC and pcPrF-M5 cells, miR-449c-3p and miR-3121-3p were found to target NKX3-1. In only LNCaP cells, the NKX3-1 mRNA expression was significantly increased by transfection of an miR-3121-3p mimic but not that of the miR-449c-3p mimic. Thus, fibroblast-derived exosomal miR-3121-3p may be involved in preventing the oncogenic dedifferentiation of PCa cells by targeting NKX3-1 in androgen-sensitive, AR-dependent PCa cells.
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Affiliation(s)
- Chise Matsuda
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Kenichiro Ishii
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
- Department of Nursing, Nagoya University of Arts and Sciences, Aichi, Japan
| | - Yasuhisa Nakagawa
- Faculty of Medical Technology, Gifu University of Medical Science, Gifu, Japan
| | - Taku Shirai
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Takeshi Sasaki
- Department of Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, Mie, Japan
| | - Yoshifumi S Hirokawa
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Kazuhiro Iguchi
- Laboratory of Community Pharmacy, Gifu Pharmaceutical University, Gifu, Japan
| | - Masatoshi Watanabe
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
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6
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Jin W, Zhang J, Chen X, Yin S, Yu H, Gao F, Yao D. Unraveling the complexity of histone-arginine methyltransferase CARM1 in cancer: From underlying mechanisms to targeted therapeutics. Biochim Biophys Acta Rev Cancer 2023; 1878:188916. [PMID: 37196782 DOI: 10.1016/j.bbcan.2023.188916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/19/2023]
Abstract
Coactivator-associated arginine methyltransferase 1 (CARM1), a type I protein arginine methyltransferase (PRMT), has been widely reported to catalyze arginine methylation of histone and non-histone substrates, which is closely associated with the occurrence and progression of cancer. Recently, accumulating studies have demonstrated the oncogenic role of CARM1 in many types of human cancers. More importantly, CARM1 has been emerging as an attractive therapeutic target for discovery of new candidate anti-tumor drugs. Therefore, in this review, we summarize the molecular structure of CARM1 and its key regulatory pathways, as well as further discuss the rapid progress in better understanding of the oncogenic functions of CARM1. Moreover, we further demonstrate several representative targeted CARM1 inhibitors, especially focusing on demonstrating their designing strategies and potential therapeutic applications. Together, these inspiring findings would shed new light on elucidating the underlying mechanisms of CARM1 and provide a clue on discovery of more potent and selective CARM1 inhibitors for the future targeted cancer therapy.
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Affiliation(s)
- Wenke Jin
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China; School of Pharmaceutical Sciences, Shenzhen Technology University, Shenzhen 518118, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jin Zhang
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen, Guangdong 518055, China
| | - Xiya Chen
- School of Pharmaceutical Sciences, Shenzhen Technology University, Shenzhen 518118, China; School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen, Guangdong 518055, China
| | - Siwen Yin
- School of Nursing, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Haiyang Yu
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, and State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Feng Gao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Dahong Yao
- School of Pharmaceutical Sciences, Shenzhen Technology University, Shenzhen 518118, China.
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7
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Control of protein stability by post-translational modifications. Nat Commun 2023; 14:201. [PMID: 36639369 PMCID: PMC9839724 DOI: 10.1038/s41467-023-35795-8] [Citation(s) in RCA: 85] [Impact Index Per Article: 85.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 01/02/2023] [Indexed: 01/15/2023] Open
Abstract
Post-translational modifications (PTMs) can occur on specific amino acids localized within regulatory domains of target proteins, which control a protein's stability. These regions, called degrons, are often controlled by PTMs, which act as signals to expedite protein degradation (PTM-activated degrons) or to forestall degradation and stabilize a protein (PTM-inactivated degrons). We summarize current knowledge of the regulation of protein stability by various PTMs. We aim to display the variety and breadth of known mechanisms of regulation as well as highlight common themes in PTM-regulated degrons to enhance potential for identifying novel drug targets where druggable targets are currently lacking.
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8
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Iannelli G, Milite C, Marechal N, Cura V, Bonnefond L, Troffer-Charlier N, Feoli A, Rescigno D, Wang Y, Cipriano A, Viviano M, Bedford MT, Cavarelli J, Castellano S, Sbardella G. Turning Nonselective Inhibitors of Type I Protein Arginine Methyltransferases into Potent and Selective Inhibitors of Protein Arginine Methyltransferase 4 through a Deconstruction-Reconstruction and Fragment-Growing Approach. J Med Chem 2022; 65:11574-11606. [PMID: 35482954 PMCID: PMC9469100 DOI: 10.1021/acs.jmedchem.2c00252] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
![]()
Protein arginine
methyltransferases (PRMTs) are important therapeutic
targets, playing a crucial role in the regulation of many cellular
processes and being linked to many diseases. Yet, there is still much
to be understood regarding their functions and the biological pathways
in which they are involved, as well as on the structural requirements
that could drive the development of selective modulators of PRMT activity.
Here we report a deconstruction–reconstruction approach that,
starting from a series of type I PRMT inhibitors previously identified
by us, allowed for the identification of potent and selective inhibitors
of PRMT4, which regardless of the low cell permeability show an evident
reduction of arginine methylation levels in MCF7 cells and a marked
reduction of proliferation. We also report crystal structures with
various PRMTs supporting the observed specificity and selectivity.
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Affiliation(s)
| | | | - Nils Marechal
- Department of Integrated Structural Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104 Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U1258 Illkirch, France.,Université de Strasbourg, 67400 Illkirch, France
| | - Vincent Cura
- Department of Integrated Structural Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104 Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U1258 Illkirch, France.,Université de Strasbourg, 67400 Illkirch, France
| | - Luc Bonnefond
- Department of Integrated Structural Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104 Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U1258 Illkirch, France.,Université de Strasbourg, 67400 Illkirch, France
| | - Nathalie Troffer-Charlier
- Department of Integrated Structural Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104 Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U1258 Illkirch, France.,Université de Strasbourg, 67400 Illkirch, France
| | | | | | - Yalong Wang
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | | | | | - Mark T Bedford
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, United States
| | - Jean Cavarelli
- Department of Integrated Structural Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, 67400 Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104 Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U1258 Illkirch, France.,Université de Strasbourg, 67400 Illkirch, France
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9
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Yang S, Zhang J, Chen D, Cao J, Zheng Y, Han Y, Jin Y, Wang S, Wang T, Ma L, Luo T, Wang Y, Qin W, Dong L. CARM1 promotes gastric cancer progression by regulating TFE3 mediated autophagy enhancement through the cytoplasmic AMPK-mTOR and nuclear AMPK-CARM1-TFE3 signaling pathways. Cancer Cell Int 2022; 22:102. [PMID: 35246137 PMCID: PMC8895580 DOI: 10.1186/s12935-022-02522-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 02/10/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The role of CARM1 in tumors is inconsistent. It acts as an oncogene in most cancers but it inhibits the progression of liver and pancreatic cancers. CARM1 has recently been reported to regulate autophagy, but this function is also context-dependent. However, the effect of CARM1 on gastric cancer (GC) has not been studied. We aimed to explore whether CARM1 was involved in the progression of GC by regulating autophagy. METHODS The clinical values of CARM1 and autophagy in GC were evaluated by immunohistochemistry and qRT-PCR. Transmission electron microscopy, immunofluorescence and western blotting were employed to identify autophagy. The role of CARM1 in GC was investigated by CCK-8, colony formation and flow cytometry assays in vitro and a xenograft model in vivo. Immunoprecipitation assays were performed to determine the interaction of CARM1 and TFE3. RESULTS CARM1 was upregulated in clinical GC tissues and cell lines, and higher CARM1 expression predicted worse prognosis. CARM1 enhanced GC cell proliferation, facilitated G1-S transition and inhibited ER stress-induced apoptosis by regulating autophagy. Importantly, treatment with a CARM1 inhibitor rescued the tumor-promoting effects of CARM1 both in vitro and in vivo. Furthermore, we demonstrated that CARM1 promoted TFE3 nuclear translocation to induce autophagy through the cytoplasmic AMPK-mTOR and nuclear AMPK-CARM1-TFE3 signaling pathways. CONCLUSION CARM1 promoted GC cell proliferation, accelerated G1-S transition and reduced ER stress-induced apoptosis by regulating autophagy. Mechanistically, CARM1 triggered autophagy by facilitating TFE3 nuclear translocation through the AMPK-mTOR and AMPK-CARM1-TFE3 signaling pathways.
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Affiliation(s)
- Suzhen Yang
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China.,State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Jing Zhang
- Department of Kidney Transplantation, Nephropathy Hospital, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Di Chen
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, 710032, People's Republic of China
| | - Jiayi Cao
- Faculty of Life Science, Northwest University, 229 Taibai North Road, Xi'an, 710069, Shaanxi Province, People's Republic of China
| | - Ying Zheng
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Yuying Han
- Faculty of Life Science, Northwest University, 229 Taibai North Road, Xi'an, 710069, Shaanxi Province, People's Republic of China
| | - Yirong Jin
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, 710032, People's Republic of China
| | - Shuhui Wang
- Department of Infectious Diseases, Shenzhen Shekou People's Hospital, Shenzhen, 518067, People's Republic of China
| | - Ting Wang
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Lin Ma
- Shaanxi Provincial People's Hospital, Xi'an, 710043, Shaanxi, People's Republic of China
| | - Tingting Luo
- Faculty of Life Science, Northwest University, 229 Taibai North Road, Xi'an, 710069, Shaanxi Province, People's Republic of China
| | - Yan Wang
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China.
| | - Wen Qin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
| | - Lei Dong
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China.
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10
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Wang X, Wang S. Identification of key genes involved in tamoxifen-resistant breast cancer using bioinformatics analysis. Transl Cancer Res 2022; 10:5246-5257. [PMID: 35116374 PMCID: PMC8798269 DOI: 10.21037/tcr-21-1276] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 11/03/2021] [Indexed: 11/16/2022]
Abstract
Background The purpose of the present study was to investigate the molecular mechanisms of tamoxifen resistance in breast cancer and to identify potential targets for antitamoxifen resistance. Methods Differentially expressed genes (DEGs) in tamoxifen-resistant and tamoxifen-sensitive breast cancer cells were assessed using the GSE67916 dataset acquired from the Gene Expression Omnibus database. Gene ontology (GO) and pathway enrichment analyses were applied to investigate the functions and pathways of the DEGs. Subsequently, the protein-protein interaction (PPI) network was constructed using the Search Tool for the Retrieval of Interacting Genes (STRING), and subnetworks were further analyzed by Molecular Complex Detection (MCODE). The PPI network and subnetworks were visualized using Cytoscape software. Results In total, 438 DEGs were identified, of which 300 were upregulated and 138 were downregulated. The DEGs were significantly enriched in the protein binding, cellular response to estradiol stimulus, and immune response GO terms while the most significant pathways included the mitogen-activated protein kinase (MAPK) signaling pathway in cancer. The PPI network of DEGs was constructed with 288 nodes and 629 edges, and 2 subnetworks were screened out from the entire network. Conclusions A number of significant hub DEGs were identified based on their degree of connectivity in the PPI network, , included MAPK1 (node degree 36), ESR1 (node degree 27), SMARCA4 (node degree 27), RANBP2 (node degree 25), and PRKCA (node degree 21). These critical hub genes were found to be related to tamoxifen resistance in breast cancer. The results of this study further the understanding of tamoxifen resistance at the molecular level and identify potential therapeutic targets for tamoxifen-resistant breast cancer.
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Affiliation(s)
- Xiaopeng Wang
- Department of Outpatient and Emergency, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Shixia Wang
- Department of Outpatient and Emergency, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
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11
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Rios ÁFL, Tirapelli DPDC, Cirino MLDA, Rodrigues AR, Ramos ES, Carlotti CG. Expression of pluripotency-related genes in human glioblastoma. Neurooncol Adv 2022; 4:vdab163. [PMID: 35274101 PMCID: PMC8903226 DOI: 10.1093/noajnl/vdab163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background Cancer is a group of heterogeneous diseases characterized by several disruptions of the genetic and epigenetic components of cell biology. Some types of cancer have been shown to be constituted by a mosaic of cells with variable differentiation states, with more aggressive tumors being more undifferentiated. In most cases, undifferentiated tumor cells express associated embryonic markers such as the OCT4, NANOG, SOX2, and CARM1 genes. The ectopic or reminiscent expression of some master regulator genes of pluripotency has been indicated as the cause of the poorly differentiated state of tumors, and based on the evidence of some reports, can be used as a possible therapeutic target. Considering this information, a more detailed investigation of the expression of pluripotency-associated genes is necessary to evaluate the roles of these genes in the etiology of some tumors and their use targets of therapy. Methods The expression of four pluripotency-related genes was investigated (OCT4, NANOG, SOX2, and CARM1) in the most malignant primary human brain tumor, glioblastoma (GBM). Results and Conclusion The results demonstrated a signature of OCT4/SOX2/CARM1 genes and a significant increase of CARM1 expression in GBM cases.
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Affiliation(s)
- Álvaro Fabrício Lopes Rios
- Laboratory of Biotechnology, Center for Biosciences and Biotechnology, North Fluminense State University, Campos dos Goytacazes, Rio de Janeiro, Brazil
| | | | - Mucio Luiz de Assis Cirino
- Department of Surgery and Anatomy, Ribeirão Preto Faculty of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Andressa Romualdo Rodrigues
- Laboratory of Morphofunctional and Integrated Practices, Franca Medical School, University of Franca, Franca, São Paulo, Brazil
| | - Ester S Ramos
- Department of Genetics, Ribeirão Preto Faculty of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Carlos Gilberto Carlotti
- Department of Surgery and Anatomy, Ribeirão Preto Faculty of Medicine, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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12
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Wang F, Zhang J, Tang H, Pang Y, Ke X, Peng W, Chen S, Abbas MN, Dong Z, Cui Z, Cui H. Nup54-induced CARM1 nuclear importation promotes gastric cancer cell proliferation and tumorigenesis through transcriptional activation and methylation of Notch2. Oncogene 2022; 41:246-259. [PMID: 34725461 DOI: 10.1038/s41388-021-02078-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/27/2021] [Accepted: 10/11/2021] [Indexed: 11/09/2022]
Abstract
Gastric cancer (GC) has the fifth highest incidence globally, but its molecular mechanisms are not well understood. Here, we report that coactivator-associated arginine methyltransferase 1 (CARM1) is specifically highly expressed in gastric cancer and that its overexpression correlates with poor prognosis in patients with gastric cancer. Nucleoporin 54 (Nup54) was identified as a CARM1-interacting protein that promoted CARM1 nuclear importation. In the nucleus, CARM1 cooperates with transcriptional factor EB (TFEB) to activate Notch2 transcription by inducing H3R17me2 of the Notch2 promoter but not H3R26me2. Additionally, the Notch2 intracellular domain (N2ICD) was identified as a CARM1 substrate. Methylation of N2ICD at R1786, R1838, and R2047 by CARM1 enhanced the binding between N2ICD and mastermind-like protein 1 (MAML1) and increased gastric cancer cell proliferation in vitro and tumor formation in vivo. Our findings reveal a molecular mechanism linking CARM1-mediated transcriptional activation of the Notch2 signaling pathway to Notch2 methylation in gastric cancer progression.
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Affiliation(s)
- Feng Wang
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Jiayi Zhang
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Houyi Tang
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Yi Pang
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, 404120, China
| | - Xiaoxue Ke
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Wen Peng
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Shitong Chen
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Muhammad Nadeem Abbas
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Zhen Dong
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China
| | - Zhaobo Cui
- Department of Intensive Care Unit, Harrison International Peace Hospital, Hengshui, 053000, Hebei, China.
| | - Hongjuan Cui
- State Key Laboratory of Silkworm Genome Biology, Institute of Sericulture and Systems Biology, Southwest University, Beibei, Chongqing, 400716, China. .,Cancer Center, Medical Research Institute, Southwest University, Beibei, Chongqing, 400716, China.
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13
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Genomic Insights into Non-steroidal Nuclear Receptors in Prostate and Breast Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1390:227-239. [DOI: 10.1007/978-3-031-11836-4_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Zhang Z, Guo Z, Xu X, Cao D, Yang H, Li Y, Shi Q, Du Z, Guo X, Wang X, Chen D, Zhang Y, Chen L, Zhou K, Li J, Geng M, Huang X, Xiong B. Structure-Based Discovery of Potent CARM1 Inhibitors for Solid Tumor and Cancer Immunology Therapy. J Med Chem 2021; 64:16650-16674. [PMID: 34781683 DOI: 10.1021/acs.jmedchem.1c01308] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
CARM1 is a protein arginine methyltransferase and acts as a transcriptional coactivator regulating multiple biological processes. Aberrant expression of CARM1 has been related to the progression of multiple types of cancers, and therefore CARM1 was considered as a promising drug target. In the present work, we report the structure-based discovery of a series of N1-(3-(pyrimidin-2-yl)benzyl)ethane-1,2-diamines as potent CARM1 inhibitors, in which compound 43 displays high potency and selectivity. With the advantage of excellent tissue distribution, compound 43 demonstrated good in vivo efficacy for solid tumors. Furthermore, from the detailed immuno-oncology study with MC38 C57BL/6J xenograft model, we confirmed that this chemical probe 43 has profound effects in tumor immunity, which paves the way for future studies on the modulation of arginine post-translational modification that could be utilized in solid tumor treatment and cancer immunotherapy.
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Affiliation(s)
- Zhuqing Zhang
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China
| | - Zuhao Guo
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China
| | - Xiaowei Xu
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China
| | - Danyan Cao
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Hong Yang
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Yanlian Li
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Qiongyu Shi
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Zhiyan Du
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Xiaobin Guo
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Xin Wang
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Danqi Chen
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Ying Zhang
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China
| | - Lin Chen
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Kaixin Zhou
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China
| | - Jian Li
- College of Pharmaceutical Sciences, Gannan Medical University, Ganzhou 341000, P. R. China
| | - Meiyu Geng
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China.,Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, P. R. China
| | - Xun Huang
- Division of Anti-tumor Pharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China.,Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, P. R. China
| | - Bing Xiong
- Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, P. R. China.,University of Chinese Academy of Sciences, NO.19A Yuquan Road, Beijing 100049, P. R. China
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15
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Hwang JW, Cho Y, Bae GU, Kim SN, Kim YK. Protein arginine methyltransferases: promising targets for cancer therapy. Exp Mol Med 2021; 53:788-808. [PMID: 34006904 PMCID: PMC8178397 DOI: 10.1038/s12276-021-00613-y] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 02/08/2023] Open
Abstract
Protein methylation, a post-translational modification (PTM), is observed in a wide variety of cell types from prokaryotes to eukaryotes. With recent and rapid advancements in epigenetic research, the importance of protein methylation has been highlighted. The methylation of histone proteins that contributes to the epigenetic histone code is not only dynamic but is also finely controlled by histone methyltransferases and demethylases, which are essential for the transcriptional regulation of genes. In addition, many nonhistone proteins are methylated, and these modifications govern a variety of cellular functions, including RNA processing, translation, signal transduction, DNA damage response, and the cell cycle. Recently, the importance of protein arginine methylation, especially in cell cycle regulation and DNA repair processes, has been noted. Since the dysregulation of protein arginine methylation is closely associated with cancer development, protein arginine methyltransferases (PRMTs) have garnered significant interest as novel targets for anticancer drug development. Indeed, several PRMT inhibitors are in phase 1/2 clinical trials. In this review, we discuss the biological functions of PRMTs in cancer and the current development status of PRMT inhibitors in cancer therapy.
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Affiliation(s)
- Jee Won Hwang
- grid.412670.60000 0001 0729 3748Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women’s University, Seoul, 04310 Republic of Korea
| | - Yena Cho
- grid.412670.60000 0001 0729 3748Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women’s University, Seoul, 04310 Republic of Korea
| | - Gyu-Un Bae
- grid.412670.60000 0001 0729 3748Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women’s University, Seoul, 04310 Republic of Korea
| | - Su-Nam Kim
- grid.35541.360000000121053345Natural Product Research Institute, Korea Institute of Science and Technology, Gangneung, 25451 Republic of Korea
| | - Yong Kee Kim
- grid.412670.60000 0001 0729 3748Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women’s University, Seoul, 04310 Republic of Korea
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16
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Kumar S, Zeng Z, Bagati A, Tay RE, Sanz LA, Hartono SR, Ito Y, Abderazzaq F, Hatchi E, Jiang P, Cartwright ANR, Olawoyin O, Mathewson ND, Pyrdol JW, Li MZ, Doench JG, Booker MA, Tolstorukov MY, Elledge SJ, Chédin F, Liu XS, Wucherpfennig KW. CARM1 Inhibition Enables Immunotherapy of Resistant Tumors by Dual Action on Tumor Cells and T Cells. Cancer Discov 2021; 11:2050-2071. [PMID: 33707234 DOI: 10.1158/2159-8290.cd-20-1144] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 02/05/2021] [Accepted: 03/08/2021] [Indexed: 12/17/2022]
Abstract
A number of cancer drugs activate innate immune pathways in tumor cells but unfortunately also compromise antitumor immune function. We discovered that inhibition of CARM1, an epigenetic enzyme and cotranscriptional activator, elicited beneficial antitumor activity in both cytotoxic T cells and tumor cells. In T cells, Carm1 inactivation substantially enhanced their antitumor function and preserved memory-like populations required for sustained antitumor immunity. In tumor cells, Carm1 inactivation induced a potent type 1 interferon response that sensitized resistant tumors to cytotoxic T cells. Substantially increased numbers of dendritic cells, CD8 T cells, and natural killer cells were present in Carm1-deficient tumors, and infiltrating CD8 T cells expressed low levels of exhaustion markers. Targeting of CARM1 with a small molecule elicited potent antitumor immunity and sensitized resistant tumors to checkpoint blockade. Targeting of this cotranscriptional regulator thus offers an opportunity to enhance immune function while simultaneously sensitizing resistant tumor cells to immune attack. SIGNIFICANCE: Resistance to cancer immunotherapy remains a major challenge. Targeting of CARM1 enables immunotherapy of resistant tumors by enhancing T-cell functionality and preserving memory-like T-cell populations within tumors. CARM1 inhibition also sensitizes resistant tumor cells to immune attack by inducing a tumor cell-intrinsic type 1 interferon response.This article is highlighted in the In This Issue feature, p. 1861.
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Affiliation(s)
- Sushil Kumar
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Zexian Zeng
- Department of Data Sciences, Dana-Farber Cancer Institute, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Archis Bagati
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Rong En Tay
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Lionel A Sanz
- Department of Molecular and Cellular Biology and Genome Center, University of California, Davis, California
| | - Stella R Hartono
- Department of Molecular and Cellular Biology and Genome Center, University of California, Davis, California
| | - Yoshinaga Ito
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Fieda Abderazzaq
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - Elodie Hatchi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - Peng Jiang
- Department of Data Sciences, Dana-Farber Cancer Institute, Harvard T. H. Chan School of Public Health, Boston, Massachusetts.,Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Adam N R Cartwright
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Olamide Olawoyin
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Yale School of Medicine, New Haven, Connecticut
| | - Nathan D Mathewson
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Jason W Pyrdol
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts.,Department of Immunology, Harvard Medical School, Boston, Massachusetts
| | - Mamie Z Li
- Department of Genetics, Harvard Medical School and Division of Genetics, Department of Medicine, Howard Hughes Medical Institute, Brigham and Women's Hospital, Boston, Massachusetts
| | - John G Doench
- Broad Institute of Harvard and MIT, Cambridge, Massachusetts
| | - Matthew A Booker
- Department of Informatics and Analytics, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Michael Y Tolstorukov
- Department of Informatics and Analytics, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Stephen J Elledge
- Department of Genetics, Harvard Medical School and Division of Genetics, Department of Medicine, Howard Hughes Medical Institute, Brigham and Women's Hospital, Boston, Massachusetts
| | - Frédéric Chédin
- Department of Molecular and Cellular Biology and Genome Center, University of California, Davis, California
| | - X Shirley Liu
- Department of Data Sciences, Dana-Farber Cancer Institute, Harvard T. H. Chan School of Public Health, Boston, Massachusetts.
| | - Kai W Wucherpfennig
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts. .,Department of Immunology, Harvard Medical School, Boston, Massachusetts.,Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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17
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Du P, Luo K, Li G, Zhu J, Xiao Q, Li Y, Zhang X. PRMT4 promotes hepatocellular carcinoma progression by activating AKT/mTOR signaling and indicates poor prognosis. Int J Med Sci 2021; 18:3588-3598. [PMID: 34522186 PMCID: PMC8436100 DOI: 10.7150/ijms.62467] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/18/2021] [Indexed: 11/05/2022] Open
Abstract
Background: Protein arginine methyltransferase 4 (PRMT4) has been reported to play a role in several common cancers; however, the function and mechanism of PRMT4 in hepatocellular carcinoma (HCC) are not fully understood. This study aimed to investigate the role and mechanism of PRMT4 in the progression of HCC. Methods: PRMT4 expression and clinicopathological characteristics were investigated using an HCC tissue microarray (TMA) consisting of 140 patient samples analyzed by immunohistochemistry. CCK-8, crystal violet and Transwell assays were used to determine cell proliferation, colony formation, migration, and invasion of HCC cell lines in which PRMT4 was overexpressed or downregulated. The underlying mechanism of PRMT4 function was explored by Western blot assays. Results: PRMT4 was highly expressed in HCC tumor tissues compared to adjacent nontumor tissues. PRMT4 expression was significantly associated with alpha-fetoprotein levels, tumor size, satellite nodules, and microvascular invasion. Patients with higher PRMT4 expression had a shorter survival time and higher recurrence rate. Functional studies demonstrated that PRMT4 overexpression promoted HCC cell proliferation, migration, and invasion in vitro, while knocking down PRMT4 inhibited these malignant behaviors. Additional results revealed that PRMT4 promoted the progression of HCC cells via activation of the AKT/mTOR signaling pathway. Furthermore, inhibition of the AKT/mTOR signaling by MK2206 or rapamycin significantly attenuated PRMT4-mediated malignant phenotypes. Conclusions: This study suggests that PRMT4 may promote the progression of HCC cells by activating the AKT/mTOR signaling pathway, which may be a valuable biomarker and potential target for HCC.
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Affiliation(s)
- Peng Du
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Kaifeng Luo
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Guoyong Li
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Jisheng Zhu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Qi Xiao
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Yong Li
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Xingjian Zhang
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
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18
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Wu D, He J, Zhang W, Wang K, Jin S, Li J, Gao W. CARM1 promotes non-small cell lung cancer progression through upregulating CCNE2 expression. Aging (Albany NY) 2020; 12:10578-10593. [PMID: 32487779 PMCID: PMC7346078 DOI: 10.18632/aging.103280] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 04/07/2020] [Indexed: 12/15/2022]
Abstract
The underlying molecular mechanisms of tumorigenesis and progression of non-small cell lung cancer (NSCLC) are not yet fully elucidated. In the present study, invitro functional dissections suggest that siRNA-mediated silencing of CCNE2 profoundly attenuated the proliferative and colony-formative abilities of NSCLC PC9 and HCC827 cells, while forced overexpression of CCNE2 significantly strengthened the proliferative and colony-formative capabilities of these cells. Intriguingly, by ChIP and luciferase reporter gene assays, we observed that CARM1 is recruited to the promoter regions of CCNE2 gene and acts as a transcriptional activator. Mechanically, the asymmetric di-methylation of H3R17me2a and H3R26me2a, as the catalytic substrates of CARM1, were highly enriched at the core promoter regions of CCNE2 gene, thereby activating the expression of CCNE2. In vitro and in vivo rescue experiments demonstrated that restoration of CCNE2 expression significantly abolished the CARM1 shRNA-mediated inhibition of cell proliferation, indicating that the oncogenic function of CARM1, at least partially, depended on the activation of CCNE2. Inhibition of CARM1 enzymatic activity could significantly repress CCNE2 expression in NSCLC cells. In addition, the expression of CARM1 was significantly elevated and positively correlated with CCNE2 levels in 20 cases of NSCLC patients. Both CARM1 and CCNE2 are highly associated with shorter 10-year overall survival of at a large cohort of 461 cases of NSCLC patients from the Kaplan-Meier plotter database. To summarize, these findings provide compelling evidence that CARM1 could promote NSCLC progression via activation of CCNE2, paving the way for future therapeutic strategies in NSCLC.
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Affiliation(s)
- Deqin Wu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China.,Department of Pharmacy, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jing He
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Wei Zhang
- Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Kai Wang
- Department of Radiotherapy Oncology, Nanjing Benq Medical center, Nanjing 210019, China
| | - Shidai Jin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jun Li
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Wen Gao
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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19
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Comparative effect of sodium butyrate and sodium propionate on proliferation, cell cycle and apoptosis in human breast cancer cells MCF-7. Breast Cancer 2020; 27:696-705. [PMID: 32095987 DOI: 10.1007/s12282-020-01063-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 02/10/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Short-chain fatty acids (SCFAs) are ubiquitous lipids produced as a result of bacterial fermentation of dietary fiber. While their role in colorectal cancer is well known, the effect of SCFAs in breast cancer is poorly defined. OBJECTIVE To understand the various effects of SCFAs on breast carcinogenesis, we investigated the effect of sodium butyrate (NaB) and sodium propionate (NaP) in MCF-7 cell line. MATERIALS AND METHODS Cells were incubated with different concentrations of NaB or NaP for 24, 48, 72 or 96 h. Cell proliferation was assayed using MTT kit. Cell cycle was performed using propidium iodide staining then analyzed with a flow cytometer. Apoptosis was assessed by Hoechst technique and cell-cycle sub-G1 phase. RESULTS NaB and NaP inhibited MCF-7 cell proliferation in a dose-dependent manner with respective IC50 of 1.26 mM and 4.5 mM, thus indicating that NaB is more potent than NaP. Low and medium levels of both SCFAs induced morphology changes which are characteristic of a differentiated phenotype. Flow cytometry analysis revealed a blockage in G1 growth phase. Interestingly, removing NaB or NaP from culture media after few days of treatment showed a reversible effect on cell morphology and proliferation where cells reentered the cycle after 24 h of drug wash-out. Finally, treatment with medium levels of these molecules induced low MCF-7 apoptosis, while higher doses led to massive apoptosis. CONCLUSION Our results show that SCFAs may be considered as an interesting inhibitor for breast cancer progression.
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20
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Peng BL, Li WJ, Ding JC, He YH, Ran T, Xie BL, Wang ZR, Shen HF, Xiao RQ, Gao WW, Ye TY, Gao X, Liu W. A hypermethylation strategy utilized by enhancer-bound CARM1 to promote estrogen receptor α-dependent transcriptional activation and breast carcinogenesis. Theranostics 2020; 10:3451-3473. [PMID: 32206101 PMCID: PMC7069091 DOI: 10.7150/thno.39241] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 01/12/2020] [Indexed: 12/12/2022] Open
Abstract
While protein arginine methyltransferases (PRMTs) and PRMT-catalyzed protein methylation have been well-known to be involved in a myriad of biological processes, their functions and the underlying molecular mechanisms in cancers, particularly in estrogen receptor alpha (ERα)-positive breast cancers, remain incompletely understood. Here we focused on investigating PRMT4 (also called coactivator associated arginine methyltransferase 1, CARM1) in ERα-positive breast cancers due to its high expression and the associated poor prognosis. Methods: ChIP-seq and RNA-seq were employed to identify the chromatin-binding landscape and transcriptional targets of CARM1, respectively, in the presence of estrogen in ERα-positive MCF7 breast cancer cells. High-resolution mass spectrometry analysis of enriched peptides from anti-monomethyl- and anti-asymmetric dimethyl-arginine antibodies in SILAC labeled wild-type and CARM1 knockout cells were performed to globally map CARM1 methylation substrates. Cell viability was measured by MTS and colony formation assay, and cell cycle was measured by FACS analysis. Cell migration and invasion capacities were examined by wound-healing and trans-well assay, respectively. Xenograft assay was used to analyze tumor growth in vivo. Results: CARM1 was found to be predominantly and specifically recruited to ERα-bound active enhancers and essential for the transcriptional activation of cognate estrogen-induced genes in response to estrogen treatment. Global mapping of CARM1 substrates revealed that CARM1 methylated a large cohort of proteins with diverse biological functions, including regulation of intracellular estrogen receptor-mediated signaling, chromatin organization and chromatin remodeling. A large number of CARM1 substrates were found to be exclusively hypermethylated by CARM1 on a cluster of arginine residues. Exemplified by MED12, hypermethylation of these proteins by CARM1 served as a molecular beacon for recruiting coactivator protein, tudor-domain-containing protein 3 (TDRD3), to CARM1-bound active enhancers to activate estrogen/ERα-target genes. In consistent with its critical role in estrogen/ERα-induced gene transcriptional activation, CARM1 was found to promote cell proliferation of ERα-positive breast cancer cells in vitro and tumor growth in mice. Conclusions: our study uncovered a “hypermethylation” strategy utilized by enhancer-bound CARM1 in gene transcriptional regulation, and suggested that CARM1 can server as a therapeutic target for breast cancer treatment.
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21
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Liu J, Feng J, Li L, Lin L, Ji J, Lin C, Liu L, Zhang N, Duan D, Li Z, Huang B, Zhang Y, Lu J. Arginine methylation-dependent LSD1 stability promotes invasion and metastasis of breast cancer. EMBO Rep 2020; 21:e48597. [PMID: 31833203 PMCID: PMC7001506 DOI: 10.15252/embr.201948597] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 11/11/2019] [Accepted: 11/18/2019] [Indexed: 12/22/2022] Open
Abstract
Histone lysine demethylase 1 (LSD1), the first identified histone demethylase, is overexpressed in multiple tumor types, including breast cancer. However, the mechanisms that cause LSD1 dysregulation in breast cancer remain largely unclear. Here, we report that protein arginine methyltransferase 4 (PRMT4 or CARM1) dimethylates LSD1 at R838, which promotes the binding of the deubiquitinase USP7, resulting in the deubiquitination and stabilization of LSD1. Moreover, CARM1- and USP7-dependent LSD1 stabilization plays a key role in repressing E-cadherin and activating vimentin transcription through promoter H3K4me2 and H3K9me2 demethylation, respectively, which promotes invasion and metastasis of breast cancer cells. Consistently, LSD1 arginine methylation levels correlate with tumor grade in human malignant breast carcinoma samples. Our findings unveil a unique mechanism controlling LSD1 stability by arginine methylation, also highlighting the role of the CARM1-USP7-LSD1 axis in breast cancer progression.
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Affiliation(s)
- Jiwei Liu
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Jingxin Feng
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
- Present address:
Laboratory of Cellular OncologyCenter for Cancer Research (CCR)National Cancer Institute (NCI)BethesdaMDUSA
| | - Lili Li
- Key Laboratory of Cancer Prevention and TherapyDepartment of Bone and Soft Tissue OncologyNational Clinical Research Center for CancerTianjin Medical University Cancer Institute and HospitalTianjinChina
| | - Luyao Lin
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Jiafei Ji
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
| | - Cong Lin
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Lingxia Liu
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
| | - Na Zhang
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Dandan Duan
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
| | - Zhongwei Li
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Baiqu Huang
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
| | - Yu Zhang
- The Key Laboratory of Molecular Epigenetics of Ministry of Education (MOE)Northeast Normal UniversityChangchunChina
| | - Jun Lu
- The Institute of Genetics and CytologyNortheast Normal UniversityChangchunChina
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22
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Zhang S, Wang W, Wu X, Liu W, Ding F. miR-16-5p modulates the radiosensitivity of cervical cancer cells via regulating coactivator-associated arginine methyltransferase 1. Pathol Int 2019; 70:12-20. [PMID: 31872565 DOI: 10.1111/pin.12867] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 10/02/2019] [Indexed: 12/11/2022]
Abstract
This study was to investigate the expression of coactivator-associated arginine methyltransferase 1 (CARM1) and miR-16-5p in cervical cancer (CC), and explore their roles in radioresistance. Western blot and immunohistochemistry were used to detect the expression of CARM1 in tissues and cells. Reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the expression of miR-16-5p. CC cells received different doses of X-ray exposure, and then cell counting kit-8 method and colony formation assay were used to detect cell proliferation. Apoptosis was detected by flow cytometry. Then we used Targetscan database to predict that CARM1 is a potential target of miR-16-5p, and further verified the targeting relationship between them by western blot, RT-PCR and dual luciferase reporter experiments. We demonstrated that CARM1 were highly expressed in CC tissues and radio-resistant CC cells, while miR-16-5p expression was low. Under irradiation, up-regulation of CARM1 can induce radiotherapy resistance of CC cells, while overexpression of miR-16-5p or CARM1 knockdown could inhibit the survival of CC cell and induced apoptosis. CARM1 was verified as a target for miR-16-5p. Besides, up-regulation of CARM1 reversed the increase in radiosensitivity induced by miR-16-5p. Collectively, we concluded that miR-16-5p promoted the radiosensitivity of CC cells by targeting CARM1.
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Affiliation(s)
- Shumao Zhang
- Department of Radiology, Linyi Cancer Hospital, Linyi, China
| | - Weiqing Wang
- Department of Radiology, The Third People's Hospital of Linyi, Linyi, China
| | - Xia Wu
- Department of Oncology, The Third People's Hospital of Linyi, Linyi, China
| | - Weihua Liu
- Department of Gynaecology, Linyi Cancer Hospital, Linyi, China
| | - Fengna Ding
- Department of Gynaecology, Linyi Cancer Hospital, Linyi, China
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23
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Cheng Y, He C, Wang M, Ma X, Mo F, Yang S, Han J, Wei X. Targeting epigenetic regulators for cancer therapy: mechanisms and advances in clinical trials. Signal Transduct Target Ther 2019; 4:62. [PMID: 31871779 PMCID: PMC6915746 DOI: 10.1038/s41392-019-0095-0] [Citation(s) in RCA: 553] [Impact Index Per Article: 110.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 10/16/2019] [Accepted: 10/24/2019] [Indexed: 02/05/2023] Open
Abstract
Epigenetic alternations concern heritable yet reversible changes in histone or DNA modifications that regulate gene activity beyond the underlying sequence. Epigenetic dysregulation is often linked to human disease, notably cancer. With the development of various drugs targeting epigenetic regulators, epigenetic-targeted therapy has been applied in the treatment of hematological malignancies and has exhibited viable therapeutic potential for solid tumors in preclinical and clinical trials. In this review, we summarize the aberrant functions of enzymes in DNA methylation, histone acetylation and histone methylation during tumor progression and highlight the development of inhibitors of or drugs targeted at epigenetic enzymes.
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Affiliation(s)
- Yuan Cheng
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Cai He
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Manni Wang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xuelei Ma
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Fei Mo
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Shengyong Yang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Junhong Han
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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24
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Zhong XY, Yuan XM, Xu YY, Yin M, Yan WW, Zou SW, Wei LM, Lu HJ, Wang YP, Lei QY. CARM1 Methylates GAPDH to Regulate Glucose Metabolism and Is Suppressed in Liver Cancer. Cell Rep 2019; 24:3207-3223. [PMID: 30232003 DOI: 10.1016/j.celrep.2018.08.066] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 05/03/2018] [Accepted: 08/22/2018] [Indexed: 12/13/2022] Open
Abstract
Increased aerobic glycolysis is a hallmark of cancer metabolism. How cancer cells coordinate glucose metabolism with extracellular glucose levels remains largely unknown. Here, we report that coactivator-associated arginine methyltransferase 1 (CARM1 or PRMT4) signals glucose availability to glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and suppresses glycolysis in liver cancer cells. CARM1 methylates GAPDH at arginine 234 (R234), inhibiting its catalytic activity. Glucose starvation leads to CARM1 upregulation, further inducing R234 hypermethylation and GAPDH inhibition. The re-expression of wild-type GAPDH, but not of its methylation-mimetic mutant, sustains glycolytic levels. CARM1 inhibition increases glycolytic flux and glycolysis. R234 methylation delays tumor cell proliferation in vitro and in vivo. Compared with normal tissues, R234 is hypomethylated in malignant clinical hepatocellular carcinoma samples. Notably, R234 methylation positively correlates with CARM1 expression in these liver cancer samples. Our findings thus reveal that CARM1-mediated GAPDH methylation is a key regulatory mechanism of glucose metabolism in liver cancer.
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Affiliation(s)
- Xing-Yu Zhong
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Xiu-Ming Yuan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Ying-Ying Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Miao Yin
- Cancer Institute, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, 270 Dong'an Road, Shanghai 200032, China; Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Wei-Wei Yan
- Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Shao-Wu Zou
- Department of Hepatopancreatobiliary Surgery, Shanghai Tenth People's Hospital, Tong Ji University, 1239 Siping Road, Shanghai 200072, China
| | - Li-Ming Wei
- Proteomics Center, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Hao-Jie Lu
- Proteomics Center, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China
| | - Yi-Ping Wang
- Cancer Institute, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, 270 Dong'an Road, Shanghai 200032, China; Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China.
| | - Qun-Ying Lei
- Cancer Institute, Fudan University Shanghai Cancer Center and Department of Oncology, Shanghai Medical College, Fudan University, 270 Dong'an Road, Shanghai 200032, China; Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, 131 Dong'an Road, Shanghai 200032, China; State Key Laboratory of Medical Neurobiology, Fudan University, 131 Dong'an Road, Shanghai 200032, China.
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25
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Watson ZL, Bitler BG. Type I Protein Arginine Methyltransferases Overexpression Promotes Transformation and Potentiates Her2/Neu-Driven Tumorigenesis. Cancer Res 2019; 79:3-4. [PMID: 30602621 DOI: 10.1158/0008-5472.can-18-3552] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 11/09/2018] [Indexed: 11/16/2022]
Abstract
Bao and colleagues demonstrate that type I protein arginine methyltransferases (PRMT) are directly involved in mammary gland transformation and tumor progression. Notably, several distinct phenotypes require further investigation such as PRMT1/CARM1-induced transformation, CARM1-mediated delay in tumorigenesis, and PRMTs potentiation of Her2-dependent tumors. The PRMT overexpression transgenic mouse models should encourage and facilitate further mechanistic interrogation and the development of PRMT-directed therapies.See related article by Bao et al., p. 21.
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Affiliation(s)
- Zachary L Watson
- Division of Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Benjamin G Bitler
- Division of Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, Colorado. .,
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26
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Guo Z, Zhang Z, Yang H, Cao D, Xu X, Zheng X, Chen D, Wang Q, Li Y, Li J, Du Z, Wang X, Chen L, Ding J, Shen J, Geng M, Huang X, Xiong B. Design and Synthesis of Potent, Selective Inhibitors of Protein Arginine Methyltransferase 4 against Acute Myeloid Leukemia. J Med Chem 2019; 62:5414-5433. [PMID: 31117515 DOI: 10.1021/acs.jmedchem.9b00297] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
PRMT4 is a type I protein arginine methyltransferase and plays important roles in various cellular processes. Overexpression of PRMT4 has been found to be involved in several types of cancers. Selective and in vivo effective PRMT4 inhibitors are needed for demonstrating PRMT4 as a promising therapeutic target. On the basis of compound 6, a weak dual PRMT4/6 inhibitor, we constructed a tetrahydroisoquinoline scaffold through a cut-and-sew scaffold hopping strategy. The subsequent SAR optimization efforts employed structure-based approach led to the identification of a novel PRMT4 inhibitor 49. Compound 49 exhibited prominently high potency and selectivity, moderate pharmacokinetic profiles, and good antitumor efficacy in acute myeloid leukemia xenograft model via oral administration, thus demonstrating this compound as a useful pharmacological tool for further target validation and drug development in cancer therapy.
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Affiliation(s)
- Zuhao Guo
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Zhuqing Zhang
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Hong Yang
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Danyan Cao
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Xiaowei Xu
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Xingling Zheng
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Danqi Chen
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Qi Wang
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Yanlian Li
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Jian Li
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Zhiyan Du
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Xin Wang
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Lin Chen
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Jian Ding
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Jingkang Shen
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China
| | - Meiyu Geng
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Xun Huang
- Division of Anti-Tumor Pharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
| | - Bing Xiong
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , 555 Zuchongzhi Road , Shanghai 201203 , China.,University of Chinese Academy of Sciences , No. 19A Yuquan Road , Beijing 100049 , China
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27
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Halby L, Marechal N, Pechalrieu D, Cura V, Franchini DM, Faux C, Alby F, Troffer-Charlier N, Kudithipudi S, Jeltsch A, Aouadi W, Decroly E, Guillemot JC, Page P, Ferroud C, Bonnefond L, Guianvarc'h D, Cavarelli J, Arimondo PB. Hijacking DNA methyltransferase transition state analogues to produce chemical scaffolds for PRMT inhibitors. Philos Trans R Soc Lond B Biol Sci 2019; 373:rstb.2017.0072. [PMID: 29685976 DOI: 10.1098/rstb.2017.0072] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/11/2017] [Indexed: 12/12/2022] Open
Abstract
DNA, RNA and histone methylation is implicated in various human diseases such as cancer or viral infections, playing a major role in cell process regulation, especially in modulation of gene expression. Here we developed a convergent synthetic pathway starting from a protected bromomethylcytosine derivative to synthesize transition state analogues of the DNA methyltransferases. This approach led to seven 5-methylcytosine-adenosine compounds that were, surprisingly, inactive against hDNMT1, hDNMT3Acat, TRDMT1 and other RNA human and viral methyltransferases. Interestingly, compound 4 and its derivative 2 showed an inhibitory activity against PRMT4 in the micromolar range. Crystal structures showed that compound 4 binds to the PRMT4 active site, displacing strongly the S-adenosyl-l-methionine cofactor, occupying its binding site, and interacting with the arginine substrate site through the cytosine moiety that probes the space filled by a substrate peptide methylation intermediate. Furthermore, the binding of the compounds induces important structural switches. These findings open new routes for the conception of new potent PRMT4 inhibitors based on the 5-methylcytosine-adenosine scaffold.This article is part of a discussion meeting issue 'Frontiers in epigenetic chemical biology'.
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Affiliation(s)
- Ludovic Halby
- CNRS FRE3600 ETaC, bât. IBCG, 31062 Toulouse, France.,Maison Française d'Oxford, CNRS, MEAE, 2-10 Norham Road, Oxford, UK
| | - Nils Marechal
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U 1258, Illkirch, France.,Université de Strasbourg, Illkirch, France
| | | | - Vincent Cura
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U 1258, Illkirch, France.,Université de Strasbourg, Illkirch, France
| | | | - Céline Faux
- CNRS FRE3600 ETaC, bât. IBCG, 31062 Toulouse, France
| | - Fréderic Alby
- Laboratoire Pierre Fabre, 3 avenue H. Curien, 31100 Toulouse, France
| | - Nathalie Troffer-Charlier
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U 1258, Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - Srikanth Kudithipudi
- Institute of Biochemistry, Faculty of Chemistry, University Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Albert Jeltsch
- Institute of Biochemistry, Faculty of Chemistry, University Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Wahiba Aouadi
- Laboratoire Architecture Fonction des Macromolécules Biologiques (AFMB-UMR 7257), Aix-Marseille Université & CNRS, 163 avenue de Luminy, 13288 Marseille cedex 09, France
| | - Etienne Decroly
- Laboratoire Architecture Fonction des Macromolécules Biologiques (AFMB-UMR 7257), Aix-Marseille Université & CNRS, 163 avenue de Luminy, 13288 Marseille cedex 09, France
| | - Jean-Claude Guillemot
- Laboratoire Architecture Fonction des Macromolécules Biologiques (AFMB-UMR 7257), Aix-Marseille Université & CNRS, 163 avenue de Luminy, 13288 Marseille cedex 09, France
| | - Patrick Page
- Epiremed SAS, 1 Rue des Pénitents Blancs, 31000 Toulouse, France
| | - Clotilde Ferroud
- Laboratoire de chimie moléculaire, CMGPCE, EA7341, Conservatoire National des Arts et Métiers, 2 rue Conté, 75003 Paris, France
| | - Luc Bonnefond
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U 1258, Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - Dominique Guianvarc'h
- Sorbonne Universités, UPMC Université Paris 06, Ecole Normale Supérieure, CNRS, Laboratoire des Biomolécules (LBM), 4 place Jussieu, 75005 Paris, France.,Département de Chimie, Ecole Normale Supérieure, PSL Research University, UPMC Université Paris 06, CNRS, Laboratoire des Biomolécules (LBM), 75005 Paris, France
| | - Jean Cavarelli
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France .,Centre National de la Recherche Scientifique, UMR7104, Illkirch, France.,Institut National de la Santé et de la Recherche Médicale, U 1258, Illkirch, France.,Université de Strasbourg, Illkirch, France
| | - Paola B Arimondo
- CNRS FRE3600 ETaC, bât. IBCG, 31062 Toulouse, France .,Churchill College, CB3 0DS Cambridge, UK
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28
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Wang SCM, Dowhan DH, Muscat GEO. Epigenetic arginine methylation in breast cancer: emerging therapeutic strategies. J Mol Endocrinol 2019; 62:R223-R237. [PMID: 30620710 DOI: 10.1530/jme-18-0224] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 01/07/2019] [Indexed: 02/06/2023]
Abstract
Breast cancer is a heterogeneous disease, and the complexity of breast carcinogenesis is associated with epigenetic modification. There are several major classes of epigenetic enzymes that regulate chromatin activity. This review will focus on the nine mammalian protein arginine methyltransferases (PRMTs) and the dysregulation of PRMT expression and function in breast cancer. This class of enzymes catalyse the mono- and (symmetric and asymmetric) di-methylation of arginine residues on histone and non-histone target proteins. PRMT signalling (and R methylation) drives cellular proliferation, cell invasion and metastasis, targeting (i) nuclear hormone receptor signalling, (ii) tumour suppressors, (iii) TGF-β and EMT signalling and (iv) alternative splicing and DNA/chromatin stability, influencing the clinical and survival outcomes in breast cancer. Emerging reports suggest that PRMTs are also implicated in the development of drug/endocrine resistance providing another prospective avenue for the treatment of hormone resistance and associated metastasis. The complexity of PRMT signalling is further underscored by the degree of alternative splicing and the scope of variant isoforms (with distinct properties) within each PRMT family member. The evolution of PRMT inhibitors, and the ongoing clinical trials of PRMT inhibitors against a subgroup of solid cancers, coupled to the track record of lysine methyltransferases inhibitors in phase I/II clinical trials against cancer underscores the potential therapeutic utility of targeting PRMT epigenetic enzymes to improve survival outcomes in aggressive and metastatic breast cancer.
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Affiliation(s)
- Shu-Ching M Wang
- Cell Biology and Molecular Medicine Division, The University of Queensland, Institute for Molecular Bioscience, St Lucia, Australia
| | - Dennis H Dowhan
- Cell Biology and Molecular Medicine Division, The University of Queensland, Institute for Molecular Bioscience, St Lucia, Australia
| | - George E O Muscat
- Cell Biology and Molecular Medicine Division, The University of Queensland, Institute for Molecular Bioscience, St Lucia, Australia
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29
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Ran T, Li W, Peng B, Xie B, Lu T, Lu S, Liu W. Virtual Screening with a Structure-Based Pharmacophore Model to Identify Small-Molecule Inhibitors of CARM1. J Chem Inf Model 2019; 59:522-534. [PMID: 30607947 DOI: 10.1021/acs.jcim.8b00610] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
CARM1 (coactivator-associated arginine methyltransferase 1), also known as PRMT4 (protein arginine N-methyltransferase 4), belongs to the protein arginine methyltransferase (PRMT) family, which has emerged as a potential anticancer drug target. To discover new CARM1 inhibitors, we performed virtual screening against the substrate-binding site in CARM1. Structure-based pharmacophore models, which were generated according to three druggable subpockets embedding critical residues for ligand binding, were applied for virtual screening. The importance of the solvent-exposed substrate-binding cavity was highlighted due to significant hydrophobicity. Aided by molecular docking, 15 compounds structurally distinct from known CARM1 inhibitors were selected to evaluate their inhibitory effects on CARM1 methyltransferase activity, which resulted in seven compounds exhibiting micromolar inhibition, with selectivity over other members in the PRMT protein family. Moreover, three of them exhibited potent antiproliferation activities in breast cancer cells. Particularly, compound NO.2 exhibited potent activity both in vitro and in cultured cells, which will serve as a leading hit for developing CARM1 inhibitors with improved efficacy. The virtual screening strategy in this study will be applicable for the discovery of substrate-competitive inhibitors targeting other members in the PRMT protein family.
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Affiliation(s)
- Ting Ran
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research , Xiamen University , Xiamen , Fujian 361102 , China.,Department of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361105 , China
| | - Wenjuan Li
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research , Xiamen University , Xiamen , Fujian 361102 , China
| | - Bingling Peng
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research , Xiamen University , Xiamen , Fujian 361102 , China
| | - Binglan Xie
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research , Xiamen University , Xiamen , Fujian 361102 , China
| | - Tao Lu
- Department of Organic Chemistry, School of Sciences , China Pharmaceutical University , Nanjing , Jiangsu 210009 , China
| | - Shuai Lu
- Department of Organic Chemistry, School of Sciences , China Pharmaceutical University , Nanjing , Jiangsu 210009 , China
| | - Wen Liu
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research , Xiamen University , Xiamen , Fujian 361102 , China.,State Key Laboratory of Cellular Stress Biology , Xiamen University , Xiamen , Fujian 361102 , China
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30
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Abeywardana T, Oh M, Jiang L, Yang Y, Kong M, Song J, Yang Y. CARM1 suppresses de novo serine synthesis by promoting PKM2 activity. J Biol Chem 2018; 293:15290-15303. [PMID: 30131339 PMCID: PMC6166735 DOI: 10.1074/jbc.ra118.004512] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/01/2018] [Indexed: 11/06/2022] Open
Abstract
Glucose is a critical nutrient for cell proliferation. However, the molecular pathways that regulate glucose metabolism are still elusive. We discovered that co-activator-associated arginine methyltransferase 1 (CARM1) suppresses glucose metabolism toward serine biosynthesis. By tracing the 13C-labeled glucose, we found that Carm1 knockout mouse embryonic fibroblasts exhibit significantly increased de novo serine synthesis than WT cells. This is caused, at least in part, by the reduced pyruvate kinase (PK) activity in these cells. The M2 isoform of PK (PKM2) is arginine-methylated by CARM1, and methylation enhances its activity. Mechanistically, CARM1 methylates PKM2 at arginines 445 and 447, which enhances PKM2 tetramer formation. Consequently, Carm1 knockout cells exhibit significant survival advantages over WT cells when extracellular serine is limited, likely due to their enhanced de novo serine synthesis capacity. Altogether, we identified CARM1 as an important regulator of glucose metabolism and serine synthesis.
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Affiliation(s)
| | - Myungeun Oh
- Molecular and Cellular Endocrinology, Beckman Research Institute, City of Hope Cancer Center, Duarte, California 91010
| | - Lei Jiang
- Molecular and Cellular Endocrinology, Beckman Research Institute, City of Hope Cancer Center, Duarte, California 91010
| | - Ying Yang
- the Department of Molecular Biology and Biochemistry, University of California, Irvine, California 92697, and
| | - Mei Kong
- the Department of Molecular Biology and Biochemistry, University of California, Irvine, California 92697, and
| | - Jikui Song
- the Department of Biochemistry, University of California, Riverside, California 92521
| | - Yanzhong Yang
- From the Departments of Cancer Genetics and Epigenetics and
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31
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Nakayama N, Sakashita G, Nariai Y, Kato H, Sinmyozu K, Nakayama JI, Kyo S, Urano T, Nakayama K. Cancer-related transcription regulator protein NAC1 forms a protein complex with CARM1 for ovarian cancer progression. Oncotarget 2018; 9:28408-28420. [PMID: 29983869 PMCID: PMC6033357 DOI: 10.18632/oncotarget.25400] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/16/2018] [Indexed: 01/07/2023] Open
Abstract
NAC1 is a cancer-related transcription regulator protein that is overexpressed in various carcinomas, including ovarian, cervical, breast, and pancreatic carcinomas. NAC1 knock-down was previously shown to result in the apoptosis of ovarian cancer cell lines and to rescue their sensitivity to chemotherapy, suggesting that NAC1 may be a potential therapeutic target, but protein complex formation of intranuclear NAC1 in ovarian cancer cells remain poorly understood. In this study, analysis of ovarian cancer cell lysates by fast protein liquid chromatography on a sizing column showed that the NAC1 peak corresponded to an apparent molecular mass of 300–500 kDa, which is larger than the estimated molecular mass (58 kDa) of the protein. Liquid chromatography-tandem mass spectrometry analysis identified CARM1 as interacting with NAC1 in the protein complex. Furthermore, tissue microarray analysis revealed a significant correlation between CARM1 and NAC1 expression levels. Ovarian cancer patients expressing high levels of NAC1 and CARM1 exhibited poor prognosis after adjuvant chemotherapy. Collectively, our results demonstrate that high expression levels of NAC1 and its novel binding partner CARM1 may serve as an informative prognostic biomarker for predicting resistance to chemotherapy for ovarian cancer.
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Affiliation(s)
- Naomi Nakayama
- Department of Biochemistry, Shimane University School of Medicine, Izumo, Japan
| | - Gyosuke Sakashita
- Department of Biochemistry, Shimane University School of Medicine, Izumo, Japan
| | - Yuko Nariai
- Department of Biochemistry, Shimane University School of Medicine, Izumo, Japan
| | - Hiroaki Kato
- Department of Biochemistry, Shimane University School of Medicine, Izumo, Japan
| | - Kaori Sinmyozu
- Proteomics Support Unit, RIKEN Center for Developmental Biology, Kobe, Japan.,Current address: National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Jun-Ichi Nakayama
- Graduate School of Natural Sciences, Nagoya City University, Nagoya, Japan
| | - Satoru Kyo
- Department of Obstetrics and Gynecology, Shimane University School of Medicine, Izumo, Japan
| | - Takeshi Urano
- Department of Biochemistry, Shimane University School of Medicine, Izumo, Japan
| | - Kentaro Nakayama
- Department of Obstetrics and Gynecology, Shimane University School of Medicine, Izumo, Japan
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32
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Greenblatt SM, Man N, Hamard PJ, Asai T, Karl D, Martinez C, Bilbao D, Stathias V, Jermakowicz AM, Duffort S, Tadi M, Blumenthal E, Newman S, Vu L, Xu Y, Liu F, Schurer SC, McCabe MT, Kruger RG, Xu M, Yang FC, Tenen DG, Watts J, Vega F, Nimer SD. CARM1 Is Essential for Myeloid Leukemogenesis but Dispensable for Normal Hematopoiesis. Cancer Cell 2018; 33:1111-1127.e5. [PMID: 29894694 PMCID: PMC6191185 DOI: 10.1016/j.ccell.2018.05.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 03/02/2018] [Accepted: 05/11/2018] [Indexed: 02/08/2023]
Abstract
Chromatin-modifying enzymes, and specifically the protein arginine methyltransferases (PRMTs), have emerged as important targets in cancer. Here, we investigated the role of CARM1 in normal and malignant hematopoiesis. Using conditional knockout mice, we show that loss of CARM1 has little effect on normal hematopoiesis. Strikingly, knockout of Carm1 abrogates both the initiation and maintenance of acute myeloid leukemia (AML) driven by oncogenic transcription factors. We show that CARM1 knockdown impairs cell-cycle progression, promotes myeloid differentiation, and ultimately induces apoptosis. Finally, we utilize a selective, small-molecule inhibitor of CARM1 to validate the efficacy of CARM1 inhibition in leukemia cells in vitro and in vivo. Collectively, this work suggests that targeting CARM1 may be an effective therapeutic strategy for AML.
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Affiliation(s)
- Sarah M Greenblatt
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Na Man
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Pierre-Jacques Hamard
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Takashi Asai
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Daniel Karl
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Concepcion Martinez
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Daniel Bilbao
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Vasileios Stathias
- Department of Molecular and Cellular Pharmacology, University of Miami, Miami, FL 33136, USA
| | - Anna M Jermakowicz
- Department of Molecular and Cellular Pharmacology, University of Miami, Miami, FL 33136, USA
| | - Stephanie Duffort
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Madhavi Tadi
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Ezra Blumenthal
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Samantha Newman
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Ly Vu
- Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA
| | - Ye Xu
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Fan Liu
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Stephan C Schurer
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Molecular and Cellular Pharmacology, University of Miami, Miami, FL 33136, USA; Center for Computational Science, University of Miami, Miami, FL 33136, USA
| | - Michael T McCabe
- Cancer Epigenetics Discovery Performance Unit, Oncology R&D, GlaxoSmithKline, 1250 S. Collegeville Road, Collegeville, PA 19426, USA
| | - Ryan G Kruger
- Cancer Epigenetics Discovery Performance Unit, Oncology R&D, GlaxoSmithKline, 1250 S. Collegeville Road, Collegeville, PA 19426, USA
| | - Mingjiang Xu
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Feng-Chun Yang
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Daniel G Tenen
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA 02115, USA; Cancer Science Institute, National University of Singapore, Singapore 117599, Singapore
| | - Justin Watts
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Francisco Vega
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Hematopathology, Department of Pathology and Laboratory Medicine, University of Miami, Miami, FL 33136, USA
| | - Stephen D Nimer
- Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
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33
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Gao WW, Xiao RQ, Zhang WJ, Hu YR, Peng BL, Li WJ, He YH, Shen HF, Ding JC, Huang QX, Ye TY, Li Y, Liu ZY, Ding R, Rosenfeld MG, Liu W. JMJD6 Licenses ERα-Dependent Enhancer and Coding Gene Activation by Modulating the Recruitment of the CARM1/MED12 Co-activator Complex. Mol Cell 2018; 70:340-357.e8. [PMID: 29628309 PMCID: PMC6258263 DOI: 10.1016/j.molcel.2018.03.006] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 02/12/2018] [Accepted: 03/02/2018] [Indexed: 12/18/2022]
Abstract
Whereas the actions of enhancers in gene transcriptional regulation are well established, roles of JmjC-domain-containing proteins in mediating enhancer activation remain poorly understood. Here, we report that recruitment of the JmjC-domain-containing protein 6 (JMJD6) to estrogen receptor alpha (ERα)-bound active enhancers is required for RNA polymerase II recruitment and enhancer RNA production on enhancers, resulting in transcriptional pause release of cognate estrogen target genes. JMJD6 is found to interact with MED12 in the mediator complex to regulate its recruitment. Unexpectedly, JMJD6 is necessary for MED12 to interact with CARM1, which methylates MED12 at multiple arginine sites and regulates its chromatin binding. Consistent with its role in transcriptional activation, JMJD6 is required for estrogen/ERα-induced breast cancer cell growth and tumorigenesis. Our data have uncovered a critical regulator of estrogen/ERα-induced enhancer coding gene activation and breast cancer cell potency, providing a potential therapeutic target of ER-positive breast cancers.
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Affiliation(s)
- Wei-Wei Gao
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Rong-Quan Xiao
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Wen-Juan Zhang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Yi-Ren Hu
- Howard Hughes Medical Institute, Department of Medicine, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Bing-Ling Peng
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Wen-Juan Li
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Yao-Hui He
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Hai-Feng Shen
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Jian-Cheng Ding
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Qi-Xuan Huang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Tian-Yi Ye
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Ying Li
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Zhi-Ying Liu
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Rong Ding
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China
| | - Michael G Rosenfeld
- Howard Hughes Medical Institute, Department of Medicine, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Wen Liu
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China; State Key Laboratory of Cellular Stress Biology, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China.
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34
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Li P, Feng C, Chen H, Jiang Y, Cao F, Liu J, Liu P. Elevated CRB3 expression suppresses breast cancer stemness by inhibiting β-catenin signalling to restore tamoxifen sensitivity. J Cell Mol Med 2018; 22:3423-3433. [PMID: 29602199 PMCID: PMC6010813 DOI: 10.1111/jcmm.13619] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 02/24/2018] [Indexed: 12/21/2022] Open
Abstract
Tamoxifen is a first‐line drug for hormone therapy (HT) in oestrogen receptor‐positive breast cancer patients. However, 20% to 30% of those patients are resistant to tamoxifen treatment. Cancer stem cells (CSCs) have been implicated as one of the mechanisms responsible for tamoxifen resistance. Our previous study indicated that decreased expression of the CRB3 gene confers stem cell characteristics to breast cancer cells. In the current investigation, we found that most of the breast cancer patient tissues resistant to tamoxifen were negative for CRB3 protein and positive for β‐catenin protein, in contrast to their matched primary tumours by immunohistochemical analysis. Furthermore, expression of CRB3 mRNA and protein was low, while expression of β‐catenin mRNA and protein was high in tamoxifen resistance cells (LCC2 and T47D TamR) contrast to their corresponding cell lines MCF7 and T47D. Similarly, CRB3 overexpression markedly restored the tamoxifen sensitivity of TamR cells by the MTT viability assay. Finally, we found that CRB3 suppressed the stemness of TamR cells by inhibiting β‐catenin signalling, which may in turn lead to a decrease in the breast cancer cell population. Furthermore, these findings indicate that CRB3 is an important regulator for breast cancer stemness, which is associated with tamoxifen resistance.
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Affiliation(s)
- Pingping Li
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chen Feng
- Department of Oncology, Shaanxi Provincial Corps Hospital, Xi'an, China
| | - He Chen
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yina Jiang
- Department of Pathology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Fang Cao
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jie Liu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Peijun Liu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Key Laboratory for Tumor Precision Medicine of Shaanxi Province, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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35
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Joseph C, Macnamara O, Craze M, Russell R, Provenzano E, Nolan CC, Diez-Rodriguez M, Sonbul SN, Aleskandarany MA, Green AR, Rakha EA, Ellis IO, Mukherjee A. Mediator complex (MED) 7: a biomarker associated with good prognosis in invasive breast cancer, especially ER+ luminal subtypes. Br J Cancer 2018; 118:1142-1151. [PMID: 29588513 PMCID: PMC5931067 DOI: 10.1038/s41416-018-0041-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 01/19/2018] [Accepted: 01/30/2018] [Indexed: 01/08/2023] Open
Abstract
Background Mediator complex (MED) proteins have a key role in transcriptional regulation, some interacting with the oestrogen receptor (ER). Interrogation of the METABRIC cohort suggested that MED7 may regulate lymphovascular invasion (LVI). Thus MED7 expression was assessed in large breast cancer (BC) cohorts to determine clinicopathological significance. Methods MED7 gene expression was investigated in the METABRIC cohort (n = 1980) and externally validated using bc-GenExMiner v4.0. Immunohistochemical expression was assessed in the Nottingham primary BC series (n = 1280). Associations with clinicopathological variables and patient outcome were evaluated. Results High MED7 mRNA and protein expression was associated with good prognostic factors: low grade, smaller tumour size, good NPI, positive hormone receptor status (p < 0.001), and negative LVI (p = 0.04) status. Higher MED7 protein expression was associated with improved BC-specific survival within the whole cohort and ER+/luminal subgroup. Pooled MED7 gene expression data in the external validation cohort confirmed association with better survival, corroborating with the protein expression. On multivariate analysis, MED7 protein was independently predictive of longer BC-specific survival in the whole cohort and Luminal A subtype (p < 0.001). Conclusions MED7 is an important prognostic marker in BC, particularly in ER+luminal subtypes, associated with improved survival and warrants future functional analysis.
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Affiliation(s)
- Chitra Joseph
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Olivia Macnamara
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Madeleine Craze
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | | | - Elena Provenzano
- Addenbrooke's Hospital, Cambridge University Hospital NHS Foundation Trust, Cambridge, UK
| | - Christopher C Nolan
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Maria Diez-Rodriguez
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Sultan N Sonbul
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Mohammed A Aleskandarany
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Andrew R Green
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Emad A Rakha
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Ian O Ellis
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK
| | - Abhik Mukherjee
- Division of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospitals NHS Trust, City Hospital Campus, Nottingham, NG5 1PB, UK.
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Kim Y, Lim Y, Lee E. CARM1 is involved in CYP1A1 gene expression as a transcriptional coactivator. Mol Cell Toxicol 2017. [DOI: 10.1007/s13273-017-0029-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Chuang CY, Chang CP, Lee YJ, Lin WL, Chang WW, Wu JS, Cheng YW, Lee H, Li C. PRMT1 expression is elevated in head and neck cancer and inhibition of protein arginine methylation by adenosine dialdehyde or PRMT1 knockdown downregulates proliferation and migration of oral cancer cells. Oncol Rep 2017; 38:1115-1123. [PMID: 28656289 DOI: 10.3892/or.2017.5737] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 04/05/2017] [Indexed: 11/05/2022] Open
Abstract
Protein arginine methylation is a post-translational modification that has been implicated in signal transduction, gene transcription, DNA repair and RNA processing. Overexpression or deregulation of protein arginine methyltransferases (PRMTs) have been reported to be associated with various cancers but have not been studied in head and neck cancer (HNC). We investigated the involvement of the modification in HNC using oral cancer cell lines (SAS, OECM-1 and HSC-3) and an immortalized normal oral cells (S-G). The expression levels of the predominant PRMT1 were generally consistent with the levels of asymmetric dimethylarginine (ADMA), highest in SAS and OECM1, then S-G and low in HSC-3. Upon the treatment with an indirect methyltransferase inhibitor adenosine dialdehyde (AdOx), the ADMA levels in SAS and OECM1, but not that in S-G and HSC-3, decreased significantly. SAS and OECM with high ADMA levels grew faster than HSC-3 and S-G. The growth rate of the fast growing SAS and OECM, but not that of the other two cell lines, decreased significantly upon AdOx treatment. The migration activity of SAS and HSC-3, two cell lines with migration ability also decreased after the AdOx treatment. Immunohistochemical analyses of specimens from typical HNC patients showed strong PRMT1 expression in the tumor cells compared with neighboring normal cells. Knockdown of PRMT1 in SAS cells decreased the levels of PRMT1 and ADMA-containing proteins significantly. These cells showed decreased growth rate, reduced migration activity but increased expression of the epithelial marker E-cadherin. The present study thus provides fundamental background for evaluation of the PRMT1 gene as the therapeutic targets of HNC.
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Affiliation(s)
- Chun-Yi Chuang
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Chien-Ping Chang
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Yu-Jen Lee
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Wei-Long Lin
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Wen-Wei Chang
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Jia-Sian Wu
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
| | - Ya-Wen Cheng
- Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei 110, Taiwan, R.O.C
| | - Huei Lee
- Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei 110, Taiwan, R.O.C
| | - Chuan Li
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, R.O.C
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Shishkova E, Zeng H, Liu F, Kwiecien NW, Hebert AS, Coon JJ, Xu W. Global mapping of CARM1 substrates defines enzyme specificity and substrate recognition. Nat Commun 2017; 8:15571. [PMID: 28537268 PMCID: PMC5458078 DOI: 10.1038/ncomms15571] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 04/05/2017] [Indexed: 12/14/2022] Open
Abstract
Protein arginine methyltransferases (PRMTs) introduce arginine methylation, a post-translational modification with the increasingly eminent role in normal physiology and disease. PRMT4 or coactivator-associated arginine methyltransferase 1 (CARM1) is a propitious target for cancer therapy; however, few CARM1 substrates are known, and its mechanism of substrate recognition is poorly understood. Here we employed a quantitative mass spectrometry approach to globally profile CARM1 substrates in breast cancer cell lines. We identified >130 CARM1 protein substrates and validated in vitro >90% of sites they encompass. Bioinformatics analyses reveal enrichment of proline-containing motifs, in which both methylation sites and their proximal sequences are frequently targeted by somatic mutations in cancer. Finally, we demonstrate that the N-terminus of CARM1 is involved in substrate recognition and nearly indispensable for substrate methylation. We propose that development of CARM1-specific inhibitors should focus on its N-terminus and predict that other PRMTs may employ similar mechanism for substrate recognition.
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Affiliation(s)
- Evgenia Shishkova
- The Department of Biomolecular Chemistry, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Hao Zeng
- McArdle Laboratory for Cancer Research, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Fabao Liu
- McArdle Laboratory for Cancer Research, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Nicholas W. Kwiecien
- The Genome Center of Wisconsin, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Alexander S. Hebert
- The Genome Center of Wisconsin, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Joshua J. Coon
- The Department of Biomolecular Chemistry, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
- The Department of Chemistry, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
| | - Wei Xu
- McArdle Laboratory for Cancer Research, University of Wisconsin – Madison, Madison, Wisconsin 53705, USA
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Zhang M, Wu W, Gao M, Zhang J, Ding X, Zhu R, Chen H, Fei Z. Coactivator-associated arginine methyltransferase 1 promotes cell growth and is targeted by microRNA-195-5p in human colorectal cancer. Tumour Biol 2017; 39:1010428317694305. [PMID: 28345460 DOI: 10.1177/1010428317694305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The pathogenesis of colorectal cancer remains poorly understood. Here, we show that coactivator-associated arginine methyltransferase 1 is frequently upregulated in colorectal cancer tissues and promotes cell growth in vitro and in vivo. Using bioinformatics-based prediction and luciferase reporter system, we found that coactivator-associated arginine methyltransferase 1 is post-transcriptionally targeted by microRNA-195-5p in colorectal cancer. Ectopic expression of microRNA-195-5p led to the suppression of the coactivator-associated arginine methyltransferase 1 3'-untranslated regions activity and downregulation of the endogenous coactivator-associated arginine methyltransferase 1 protein in colorectal cancer cells. Expression analysis verified that microRNA-195-5p was markedly downregulated in human colorectal cancer tissues, which was negatively correlated with the elevated levels of coactivator-associated arginine methyltransferase 1 protein. Enhanced levels of microRNA-195-5p in colorectal cancer cells resulted in a sharp reduction of cell proliferative and colony-formative capacities in vitro. Remarkably, restoration of coactivator-associated arginine methyltransferase 1 in microRNA-195-5p-transfected colorectal cancer cells partially abrogated the inhibition of cell proliferation and colony formation mediated through microRNA-195-5p. These data confirm that microRNA-195-5p might function as an anti-tumor microRNA in colorectal cancer exerting critical control over coactivator-associated arginine methyltransferase 1 expression. The newly identified microRNA-195-5p/coactivator-associated arginine methyltransferase 1 axis may act as a novel promising therapeutic target for colorectal cancer treatment.
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Affiliation(s)
- Meifeng Zhang
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Wei Wu
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Ming Gao
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Jie Zhang
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Xinde Ding
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Ronghua Zhu
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Haiqun Chen
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
| | - Zhewei Fei
- Department of General Surgery, Xinhua Hospital, Chongming Branch, School of Medicine, Shanghai Jiao Tong University, Shanghai, P.R. China
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Abstract
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Post-translational
modifications of histones by protein methyltransferases
(PMTs) and histone demethylases (KDMs) play an important role in the
regulation of gene expression and transcription and are implicated
in cancer and many other diseases. Many of these enzymes also target
various nonhistone proteins impacting numerous crucial biological
pathways. Given their key biological functions and implications in
human diseases, there has been a growing interest in assessing these
enzymes as potential therapeutic targets. Consequently, discovering
and developing inhibitors of these enzymes has become a very active
and fast-growing research area over the past decade. In this review,
we cover the discovery, characterization, and biological application
of inhibitors of PMTs and KDMs with emphasis on key advancements in
the field. We also discuss challenges, opportunities, and future directions
in this emerging, exciting research field.
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Affiliation(s)
- H Ümit Kaniskan
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Michael L Martini
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Jian Jin
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
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Zheng L, Chen J, Zhou Z, He Z. miR-195 enhances the radiosensitivity of colorectal cancer cells by suppressing CARM1. Onco Targets Ther 2017; 10:1027-1038. [PMID: 28255246 PMCID: PMC5325097 DOI: 10.2147/ott.s125067] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND microRNAs (miRNAs) can regulate the sensitivity of cancer cells to chemotherapy and radiotherapy. Aberrant expression of miR-195 has been found to be involved in colorectal cancer (CRC); however, its function and underlying mechanism in the radioresistance of CRC remains unclear. METHODS The levels of miR-195 and CARM1 were detected by quantitative reverse transcription-polymerase chain reaction and Western blot analysis in HCT-116 and HT-29 cells, respectively. Colony survival and apoptosis were determined by clonogenic assay and flow cytometry analysis, respectively. The apoptosis-related proteins Bax, Bcl-2, and γ-H2AX were detected using Western blot. The targets of miR-195 were identified by bioinformatic prediction and luciferase reporter assays. CRC cells in vitro and in vivo were exposed to different doses of X-ray radiations. RESULTS miR-195 was downregulated, and CARM1 was upregulated in HCT-116 and HT-29 cells. miR-195 overexpression or CARM1 knockdown suppressed colony survival, induced apoptosis, promoted expression of Bax and γ-H2AX, and inhibited Bcl-2 expression in CRC cells. CARM1 was identified and validated to be a functional target of miR-195. Moreover, restored expression of CARM1 reversed the enhanced radiosensitivity of CRC cells induced by miR-195. Furthermore, miR-195 increased the sensitivity of CRC cells to radiation in vivo. CONCLUSION miR-195 enhances radiosensitivity of CRC cells through suppressing CARM1. Therefore, miR-195 acts as a potential regulator of radioresistance for CRC cells and as a promising therapeutic target for CRC patients.
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Affiliation(s)
- Li Zheng
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, People's Republic of China
| | - Jiangtao Chen
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, People's Republic of China
| | - Zhongyong Zhou
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, People's Republic of China
| | - Zhikuan He
- Department of General Surgery, Huaihe Hospital of Henan University, Kaifeng, People's Republic of China
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42
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Wang YP, Zhou W, Wang J, Huang X, Zuo Y, Wang TS, Gao X, Xu YY, Zou SW, Liu YB, Cheng JK, Lei QY. Arginine Methylation of MDH1 by CARM1 Inhibits Glutamine Metabolism and Suppresses Pancreatic Cancer. Mol Cell 2016; 64:673-687. [PMID: 27840030 DOI: 10.1016/j.molcel.2016.09.028] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 08/24/2016] [Accepted: 09/21/2016] [Indexed: 12/28/2022]
Abstract
Distinctive from their normal counterparts, cancer cells exhibit unique metabolic dependencies on glutamine to fuel anabolic processes. Specifically, pancreatic ductal adenocarcinoma (PDAC) cells rely on an unconventional metabolic pathway catalyzed by aspartate aminotransferase, malate dehydrogenase 1 (MDH1), and malic enzyme 1 to rewire glutamine metabolism and support nicotinamide adenine dinucleotide phosphate (NADPH) production. Here, we report that methylation on arginine 248 (R248) negatively regulates MDH1. Protein arginine methyltransferase 4 (PRMT4/CARM1) methylates and inhibits MDH1 by disrupting its dimerization. Knockdown of MDH1 represses mitochondria respiration and inhibits glutamine metabolism, which sensitizes PDAC cells to oxidative stress and suppresses cell proliferation. Meanwhile, re-expression of wild-type MDH1, but not its methylation-mimetic mutant, protects cells from oxidative injury and restores cell growth and clonogenic activity. Importantly, MDH1 is hypomethylated at R248 in clinical PDAC samples. Our study reveals that arginine methylation of MDH1 by CARM1 regulates cellular redox homeostasis and suppresses glutamine metabolism of pancreatic cancer.
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Affiliation(s)
- Yi-Ping Wang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Wei Zhou
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jian Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences and Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Xian Huang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yong Zuo
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Tian-Shi Wang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xue Gao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences and Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Ying-Ying Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences and Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Shao-Wu Zou
- Department of Hepatopancreatobiliary Surgery, Shanghai Tenth People's Hospital, Tong Ji University, Shanghai 200072, China
| | - Ying-Bin Liu
- Department of General Surgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Jin-Ke Cheng
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Qun-Ying Lei
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences and Cancer Metabolism Laboratory, Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China.
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43
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Dysregulation of histone methyltransferases in breast cancer - Opportunities for new targeted therapies? Mol Oncol 2016; 10:1497-1515. [PMID: 27717710 DOI: 10.1016/j.molonc.2016.09.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 09/14/2016] [Accepted: 09/14/2016] [Indexed: 01/24/2023] Open
Abstract
Histone methyltransferases (HMTs) catalyze the methylation of lysine and arginine residues on histone tails and non-histone targets. These important post-translational modifications are exquisitely regulated and affect chromatin compaction and transcriptional programs leading to diverse biological outcomes. There is accumulating evidence that genetic alterations of several HMTs impinge on oncogenic or tumor-suppressor functions and influence both cancer initiation and progression. HMTs therefore represent an opportunity for therapeutic targeting in those patients with tumors in which HMTs are dysregulated, to reverse the histone marks and transcriptional programs associated with aggressive tumor behavior. In this review, we describe the known histone methyltransferases and their emerging roles in breast cancer tumorigenesis.
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44
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Kaniskan HÜ, Eram MS, Liu J, Smil D, Martini ML, Shen Y, Santhakumar V, Brown PJ, Arrowsmith C, Vedadi M, Jin J. Design and synthesis of selective, small molecule inhibitors of coactivator-associated arginine methyltransferase 1 (CARM1). MEDCHEMCOMM 2016; 7:1793-1796. [PMID: 28042453 DOI: 10.1039/c6md00342g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Coactivator-associated arginine methyltransferase 1 (CARM1) is a type I protein arginine methyltransferase (PRMT) that catalyzes the conversion of arginine into monomethylarginine (MMA) and further into asymmetric dimethylarginine (ADMA). CARM1 methylates histone 3 arginines 17 and 26, as well as numerous non-histone proteins including CBP/p300, SRC-3, NCOA2, PABP1, and SAP49, while also functioning as a coactivator for various proteins that have been linked to cancer such as p53, NF-κβ, β-catenin, E2F1 and steroid hormone receptor ERα. As a result, CARM1 is involved in transcriptional activation, cellular differentiation, cell cycle progression, RNA splicing and DNA damage response. It has been associated with several human cancers including breast, colon, prostate and lung cancers and thus, is a potential oncological target. Herein, we present the design and synthesis of a series of CARM1 inhibitors. Based on a fragment hit, we discovered compound 9 as a potent inhibitor that displayed selectivity for CARM1 over other PRMTs.
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Affiliation(s)
- H Ü Kaniskan
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - M S Eram
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - J Liu
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - D Smil
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - M L Martini
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Y Shen
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - V Santhakumar
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - P J Brown
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - C Arrowsmith
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada; Princess Margaret Cancer Centre and Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 2M9, Canada
| | - M Vedadi
- Structural Genomics Consortium, University of Toronto, Toronto, Ontario M5G 1L7, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - J Jin
- Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
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45
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Zeng H, Xu W. Ctr9, a key subunit of PAFc, affects global estrogen signaling and drives ERα-positive breast tumorigenesis. Genes Dev 2016; 29:2153-67. [PMID: 26494790 PMCID: PMC4617979 DOI: 10.1101/gad.268722.115] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Zeng and Xu discovered that Ctr9, a key subunit of hPAFc, is a central regulator of estrogen signaling that drives ERα+ breast tumorigenesis, rendering it a potential target for the treatment of ERα+ breast cancer. The human RNA polymerase II (RNAPII)-associated factor complex (hPAFc) and its individual subunits have been implicated in human diseases, including cancer. However, its involvement in breast cancer awaits investigation. Using data mining and human breast cancer tissue microarrays, we found that Ctr9, the key scaffold subunit in hPAFc, is highly expressed in estrogen receptor α-positive (ERα+) luminal breast cancer, and the high expression of Ctr9 correlates with poor prognosis. Knockdown of Ctr9 in ERα+ breast cancer cells almost completely erased estrogen-regulated transcriptional response. At the molecular level, Ctr9 enhances ERα protein stability, promotes recruitment of ERα and RNAPII, and stimulates transcription elongation and transcription-coupled histone modifications. Knockdown of Ctr9, but not other hPAFc subunits, alters the morphology, proliferative capacity, and tamoxifen sensitivity of ERα+ breast cancer cells. Together, our study reveals that Ctr9, a key subunit of hPAFc, is a central regulator of estrogen signaling that drives ERα+ breast tumorigenesis, rendering it a potential target for the treatment of ERα+ breast cancer.
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Affiliation(s)
- Hao Zeng
- McArdle Laboratory for Cancer Research, Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
| | - Wei Xu
- McArdle Laboratory for Cancer Research, Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
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46
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Gelato KA, Shaikhibrahim Z, Ocker M, Haendler B. Targeting epigenetic regulators for cancer therapy: modulation of bromodomain proteins, methyltransferases, demethylases, and microRNAs. Expert Opin Ther Targets 2016; 20:783-99. [DOI: 10.1517/14728222.2016.1134490] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | | | - Matthias Ocker
- Global Drug Discovery, Bayer Pharma AG, Berlin, Germany
- Department of Gastroenterology/Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, Berlin, Germany
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47
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ASXL2 promotes proliferation of breast cancer cells by linking ERα to histone methylation. Oncogene 2015; 35:3742-52. [PMID: 26640146 DOI: 10.1038/onc.2015.443] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 09/10/2015] [Accepted: 10/11/2015] [Indexed: 12/20/2022]
Abstract
Estrogen receptor alpha (ERα) has a pivotal role in breast carcinogenesis by associating with various cellular factors. Selective expression of additional sex comb-like 2 (ASXL2) in ERα-positive breast cancer cells prompted us to investigate its role in chromatin modification required for ERα activation and breast carcinogenesis. Here, we observed that ASXL2 interacts with ligand E2-bound ERα and mediates ERα activation. Chromatin immunoprecipitation-sequencing analysis supports a positive role of ASXL2 at ERα target gene promoters. ASXL2 forms a complex with histone methylation modifiers including LSD1, UTX and MLL2, which all are recruited to the E2-responsive genes via ASXL2 and regulate methylations at histone H3 lysine 4, 9 and 27. The preferential binding of the PHD finger of ASXL2 to the dimethylated H3 lysine 4 may account for its requirement for ERα activation. On ASXL2 depletion, the proliferative potential of MCF7 cells and tumor size of xenograft mice decreased. Together with our finding on the higher ASXL2 expression in ERα-positive patients, we propose that ASXL2 could be a novel prognostic marker in breast cancer.
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48
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Narayanan KB, Ali M, Barclay BJ, Cheng QS, D'Abronzo L, Dornetshuber-Fleiss R, Ghosh PM, Gonzalez Guzman MJ, Lee TJ, Leung PS, Li L, Luanpitpong S, Ratovitski E, Rojanasakul Y, Romano MF, Romano S, Sinha RK, Yedjou C, Al-Mulla F, Al-Temaimi R, Amedei A, Brown DG, Ryan EP, Colacci A, Hamid RA, Mondello C, Raju J, Salem HK, Woodrick J, Scovassi AI, Singh N, Vaccari M, Roy R, Forte S, Memeo L, Kim SY, Bisson WH, Lowe L, Park HH. Disruptive environmental chemicals and cellular mechanisms that confer resistance to cell death. Carcinogenesis 2015; 36 Suppl 1:S89-110. [PMID: 26106145 DOI: 10.1093/carcin/bgv032] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Cell death is a process of dying within biological cells that are ceasing to function. This process is essential in regulating organism development, tissue homeostasis, and to eliminate cells in the body that are irreparably damaged. In general, dysfunction in normal cellular death is tightly linked to cancer progression. Specifically, the up-regulation of pro-survival factors, including oncogenic factors and antiapoptotic signaling pathways, and the down-regulation of pro-apoptotic factors, including tumor suppressive factors, confers resistance to cell death in tumor cells, which supports the emergence of a fully immortalized cellular phenotype. This review considers the potential relevance of ubiquitous environmental chemical exposures that have been shown to disrupt key pathways and mechanisms associated with this sort of dysfunction. Specifically, bisphenol A, chlorothalonil, dibutyl phthalate, dichlorvos, lindane, linuron, methoxychlor and oxyfluorfen are discussed as prototypical chemical disruptors; as their effects relate to resistance to cell death, as constituents within environmental mixtures and as potential contributors to environmental carcinogenesis.
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Affiliation(s)
- Kannan Badri Narayanan
- Department of Chemistry and Biochemistry, Yeungnam University, Gyeongsan 712-749, South Korea, Sultan Zainal Abidin University, Malaysia, Plant Biotechnologies Inc, St. Albert AB, Canada, Computer Science Department, Southern Illinois University, Carbondale, IL 62901, USA, Department of Urology, University of California Davis, Sacramento, CA 95817, USA, Department of Pharmacology and Toxicology, University of Vienna, Austria, University of Puerto Rico, Medical Sciences Campus, School of Public Health, Nutrition Program, San Juan Puerto Rico 00936-5067, USA, Department of Anatomy, College of Medicine, Yeungnam University, Daegu, 705-717, South Korea, School of Biomedical Science, The Chinese University Of Hong Kong, Hong Kong, China, Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand, Department of Otolaryngology/Head and Neck Surgery, Head and Neck Cancer Research Division, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA, Department of Pharmaceutical Sciences, Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506, USA, Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy, Department of Molecular and Experimental Medicine, MEM 180, The Scripps Research Institute, La Jolla, CA 92037, USA, Department of Biology, Jackson State University, Jackson, MS 39217, USA, Department of Pathology, Kuwait University, Safat 13110, Kuwait, Department of Experimental and Clinical Medicine, University of Firenze, Firenze, 50134, Italy, Department of Environmental and Radiological Health Sciences, Colorado state University/ Colorado School of Public Health, Fort Collins, CO 80523-1680, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna, 40126, Italy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Se
| | - Manaf Ali
- Sultan Zainal Abidin University, Malaysia
| | | | - Qiang Shawn Cheng
- Computer Science Department, Southern Illinois University, Carbondale, IL 62901, USA
| | - Leandro D'Abronzo
- Department of Urology, University of California Davis, Sacramento, CA 95817, USA
| | | | - Paramita M Ghosh
- Department of Urology, University of California Davis, Sacramento, CA 95817, USA
| | - Michael J Gonzalez Guzman
- University of Puerto Rico, Medical Sciences Campus, School of Public Health, Nutrition Program, San Juan Puerto Rico 00936-5067, USA
| | - Tae-Jin Lee
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, 705-717, South Korea
| | - Po Sing Leung
- School of Biomedical Science, The Chinese University Of Hong Kong, Hong Kong, China
| | - Lin Li
- School of Biomedical Science, The Chinese University Of Hong Kong, Hong Kong, China
| | - Suidjit Luanpitpong
- Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Edward Ratovitski
- Department of Otolaryngology/Head and Neck Surgery, Head and Neck Cancer Research Division, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Yon Rojanasakul
- Department of Pharmaceutical Sciences, Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506, USA
| | - Maria Fiammetta Romano
- Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy
| | - Simona Romano
- Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy
| | - Ranjeet K Sinha
- Department of Molecular and Experimental Medicine, MEM 180, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Clement Yedjou
- Department of Biology, Jackson State University, Jackson, MS 39217, USA
| | - Fahd Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | | | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze, 50134, Italy
| | - Dustin G Brown
- Department of Environmental and Radiological Health Sciences, Colorado state University/ Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Health Sciences, Colorado state University/ Colorado School of Public Health, Fort Collins, CO 80523-1680, USA
| | - Annamaria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna, 40126, Italy
| | - Roslida A Hamid
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Chiara Mondello
- Institute of Molecular Genetics, National Research Council, Pavia, 27100, Italy
| | - Jayadev Raju
- Toxicology Research Division, Bureau of Chemical Safety Food Directorate, Health Products and Food Branch Health Canada, Ottawa, Ontario, K1A0K9, Canada
| | - Hosni K Salem
- Urology Department, Kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo, 12515, Egypt
| | - Jordan Woodrick
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC, 20057, USA
| | - A Ivana Scovassi
- Institute of Molecular Genetics, National Research Council, Pavia, 27100, Italy
| | - Neetu Singh
- Advenced Molecular Science Research Centre, King George's Medical University, Lucknow, Uttar Pradesh, 226003, India
| | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna, 40126, Italy
| | - Rabindra Roy
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC, 20057, USA
| | - Stefano Forte
- Mediterranean Institute of Oncology, Viagrande, 95029, Italy
| | - Lorenzo Memeo
- Mediterranean Institute of Oncology, Viagrande, 95029, Italy
| | - Seo Yun Kim
- Department of Internal Medicine, Korea Cancer Center Hospital, Seoul 139-706, South Korea
| | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Science Center, Oregon State University, Corvallis, OR 97331, USA and
| | - Leroy Lowe
- Getting to Know Cancer, Truro, Nova Scotia, Canada
| | - Hyun Ho Park
- Department of Chemistry and Biochemistry, Yeungnam University, Gyeongsan 712-749, South Korea, Sultan Zainal Abidin University, Malaysia, Plant Biotechnologies Inc, St. Albert AB, Canada, Computer Science Department, Southern Illinois University, Carbondale, IL 62901, USA, Department of Urology, University of California Davis, Sacramento, CA 95817, USA, Department of Pharmacology and Toxicology, University of Vienna, Austria, University of Puerto Rico, Medical Sciences Campus, School of Public Health, Nutrition Program, San Juan Puerto Rico 00936-5067, USA, Department of Anatomy, College of Medicine, Yeungnam University, Daegu, 705-717, South Korea, School of Biomedical Science, The Chinese University Of Hong Kong, Hong Kong, China, Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand, Department of Otolaryngology/Head and Neck Surgery, Head and Neck Cancer Research Division, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA, Department of Pharmaceutical Sciences, Mary Babb Randolph Cancer Center, West Virginia University, Morgantown, WV 26506, USA, Department of Molecular Medicine and Medical Biotechnology, Federico II University of Naples, 80131 Naples, Italy, Department of Molecular and Experimental Medicine, MEM 180, The Scripps Research Institute, La Jolla, CA 92037, USA, Department of Biology, Jackson State University, Jackson, MS 39217, USA, Department of Pathology, Kuwait University, Safat 13110, Kuwait, Department of Experimental and Clinical Medicine, University of Firenze, Firenze, 50134, Italy, Department of Environmental and Radiological Health Sciences, Colorado state University/ Colorado School of Public Health, Fort Collins, CO 80523-1680, USA, Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna, 40126, Italy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Se
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49
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Zou R, Zhong X, Wang C, Sun H, Wang S, Lin L, Sun S, Tong C, Luo H, Gao P, Li Y, Zhou T, Li D, Cao L, Zhao Y. MDC1 Enhances Estrogen Receptor-mediated Transactivation and Contributes to Breast Cancer Suppression. Int J Biol Sci 2015. [PMID: 26221067 PMCID: PMC4515811 DOI: 10.7150/ijbs.10918] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Estrogen receptor α (ERα) is a key transcriptional factor in the proliferation and differentiation in mammary epithelia and has been determined to be an important predictor of breast cancer prognosis and therapeutic target. Meanwhile, diverse transcriptional co-regulators of ERα play crucial and complicated roles in breast cancer progression. Mediator of DNA damage checkpoint 1 (MDC1) has been identified as a critical upstream mediator in the cellular response to DNA damage, however, some non-DNA damage responsive functions of MDC1 haven't been fully defined. In this study, we have identified MDC1 as a co-activator of ERα in breast cancer cells and demonstrated that MDC1 associates with ERα. MDC1 was also recruited to estrogen response element (ERE) of ERα target gene. Knockdown of MDC1 reduced the transcription of the endogenous ERα target genes, including p21. MDC1 depletion led to the promotion of breast cancer progression, and the expression of MDC1 is lower in breast cancer. Taken together, these results suggested that MDC1 was involved in the enhancement of ERα-mediated transactivation in breast cancer cells. This positive regulation by MDC1 might contribute to the suppression of breast cancer progression by acting as a barrier of positive to negative ERα function transformation.
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Affiliation(s)
- Renlong Zou
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Xinping Zhong
- 2. Department of General Surgery, the First Affiliated Hospital, China Medical University, Shenyang, Liaoning 110001, China
| | - Chunyu Wang
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Hongmiao Sun
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Shengli Wang
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Lin Lin
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Shiying Sun
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Changci Tong
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Hao Luo
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Peng Gao
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Yanshu Li
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Tingting Zhou
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Da Li
- 3. Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110003, China
| | - Liu Cao
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
| | - Yue Zhao
- 1. Department of Cell Biology, Key laboratory of Cell Biology, Ministry of Public Health, and Key laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, Liaoning 110122, China
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50
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Association between Int7G24A rs334354 polymorphism and cancer risk: a meta-analysis of case-control studies. Sci Rep 2015; 5:11350. [PMID: 26074400 PMCID: PMC4466893 DOI: 10.1038/srep11350] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 05/22/2015] [Indexed: 11/27/2022] Open
Abstract
Accumulating evidences have suggested the potential association between Int7G24A
(rs334354) polymorphism and cancer risk. However, results from epidemiological
studies are controversial. We thus conducted this meta-analysis to clarify the
association. Relevant studies were identified on electronic databases according to
the inclusion criteria. A total of 13 case-control studies containing 4092 cases and
5909 controls were included in our meta-analysis. Odds ratios (ORs) with 95%
confidence intervals (CIs) were applied to assess the association. The results of
the overall population had suggested that Int7G24A polymorphism had an increased
risk for cancer, reaching significant levels in the 2 genetic models (allele model,
OR = 1.25, 95% CI 1.09-1.42,
P = 0.001; dominant model,
OR = 1.24, 95% CI 1.06-1.46,
P < 0.008). Besides, significant association
was found among Asian population (allele model, OR = 1.27,
95% CI 1.11-1.45, P < 0.001; dominant model,
OR = 1.28, 95% CI 1.11-1.49,
P < 0.001), whereas there was non-significant
relationship detected among Caucasian population (allele model,
OR = 1.08, 95% CI 0.92-1.26,
P = 0.352; dominant model,
OR = 1.05, 95% CI 0.87-1.26,
P = 0.639). The present meta-analysis had suggested
that Int7G24A polymorphism of gene TGFBR1 involved in the transforming growth factor
beta (TGF-β) signaling pathway had a significantly increased risk for
cancer development.
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