1
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Polat D, Onur E, Yılmaz N, Sökücü M, Gerçeker O. KDM3A, a Novel Blood-Based Biomarker in Colorectal Carcinogenesis. Balkan J Med Genet 2023; 25:23-27. [PMID: 37265967 PMCID: PMC10230839 DOI: 10.2478/bjmg-2022-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
Colorectal cancer (CRC) is one of the leading causes of cancer-linked deaths globally. The determination of biomarkers is important in the prognosis and treatment of CRC. Previous studies emphasized the relationship between hypoxia and CRC in humans, and there is strong evidence that this process is strongly related to HIF-1. KDM3A is a histone demethylase that could directly bind to HIF-1α, a subunit of HIF-1. This study aimed to reveal whether the expression level of the KDM3A gene could be used as a predictor of CRC. The expression levels of HIF-1α, KDM3A, and Epithelial-Mesenchymal Transition (EMT) genes were evaluated by qRT-PCR in leukocyte samples of 50 CRC patients in different stages and 50 healthy controls. HIF-1α and KDM3A expression levels were significantly higher in the CRC group, compared to the controls. Slug and ZEB-1 genes, the mesenchymal markers, showed the same significance pattern between groups. We acquired 0.664 AUC with 54% sensitivity and 85.4% specificity for separating controls from CRC patients by using the KDM3A expression levels in ROC analysis. This data support that KDM3A could be a novel supplementary biomarker in diagnosis of CRC, which could be noninvasively detected in circulation.
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Affiliation(s)
- D. Polat
- Department of Biology, Section of Molecular Biology, Faculty of Art and Science, Gaziantep University, Gaziantep, Turkey
| | - E. Onur
- Department of Medical Biology, Faculty of Medicine, SANKO University, Gaziantep, Turkey
| | - N. Yılmaz
- Department of Internal Medicine, Division of Gastroenterology, Faculty of Medicine, SANKO University, Gaziantep, Turkey
| | - M. Sökücü
- Department of Pathology, Faculty of Medicine, SANKO University, Gaziantep, Turkey
| | - O.F. Gerçeker
- Department of Biology, Section of Molecular Biology, Faculty of Art and Science, Gaziantep University, Gaziantep, Turkey
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2
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Sui Y, Jiang H, Kellogg CM, Oh S, Janknecht R. Promotion of colorectal cancer by transcription factor BHLHE40 involves upregulation of ADAM19 and KLF7. Front Oncol 2023; 13:1122238. [PMID: 36890812 PMCID: PMC9986587 DOI: 10.3389/fonc.2023.1122238] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/30/2023] [Indexed: 02/22/2023] Open
Abstract
BHLHE40 is a transcription factor, whose role in colorectal cancer has remained elusive. We demonstrate that the BHLHE40 gene is upregulated in colorectal tumors. Transcription of BHLHE40 was jointly stimulated by the DNA-binding ETV1 protein and two associated histone demethylases, JMJD1A/KDM3A and JMJD2A/KDM4A, which were shown to also form complexes on their own and whose enzymatic activity was required for BHLHE40 upregulation. Chromatin immunoprecipitation assays revealed that ETV1, JMJD1A and JMJD2A interacted with several regions within the BHLHE40 gene promoter, suggesting that these three factors directly control BHLHE40 transcription. BHLHE40 downregulation suppressed both growth and clonogenic activity of human HCT116 colorectal cancer cells, strongly hinting at a pro-tumorigenic role of BHLHE40. Through RNA sequencing, the transcription factor KLF7 and the metalloproteinase ADAM19 were identified as putative BHLHE40 downstream effectors. Bioinformatic analyses showed that both KLF7 and ADAM19 are upregulated in colorectal tumors as well as associated with worse survival and their downregulation impaired HCT116 clonogenic activity. In addition, ADAM19, but not KLF7, downregulation reduced HCT116 cell growth. Overall, these data have revealed a ETV1/JMJD1A/JMJD2A→BHLHE40 axis that may stimulate colorectal tumorigenesis through upregulation of genes such as KLF7 and ADAM19, suggesting that targeting this axis represents a potential novel therapeutic avenue.
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Affiliation(s)
- Yuan Sui
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Hanlin Jiang
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Collyn M Kellogg
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.,Stephenson Cancer Center, Oklahoma City, OK, United States
| | - Ralf Janknecht
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States.,Stephenson Cancer Center, Oklahoma City, OK, United States
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3
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Fan L, Sudeep K, Qi J. Histone Demethylase KDM3 (JMJD1) in Transcriptional Regulation and Cancer Progression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1433:69-86. [PMID: 37751136 PMCID: PMC11052651 DOI: 10.1007/978-3-031-38176-8_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Methylation of histone H3 lysine 9 (H3K9) is a repressive histone mark and associated with inhibition of gene expression. KDM3 is a subfamily of the JmjC histone demethylases. It specifically removes the mono- or di-methyl marks from H3K9 and thus contributes to activation of gene expression. KDM3 subfamily includes three members: KDM3A, KDM3B and KDM3C. As KDM3A (also known as JMJD1A or JHDM2A) is the best studied, this chapter will mainly focus on the role of KDM3A-mediated gene regulation in the biology of normal and cancer cells. Knockout mouse studies have revealed that KDM3A plays a role in the physiological processes such as spermatogenesis, metabolism and sex determination. KDM3A is upregulated in several types of cancers and has been shown to promote cancer development, progression and metastasis. KDM3A can enhance the expression or activity of transcription factors through its histone demethylase activity, thereby altering the transcriptional program and promoting cancer cell proliferation and survival. We conclude that KDM3A may serve as a promising target for anti-cancer therapies.
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Affiliation(s)
- Lingling Fan
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 655 W Baltimore Street, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, 21201, USA
| | - Khadka Sudeep
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 655 W Baltimore Street, Baltimore, MD, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, 21201, USA
| | - Jianfei Qi
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, 655 W Baltimore Street, Baltimore, MD, USA.
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, 21201, USA.
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4
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Su R, Wu X, Tao L, Wang C. The role of epigenetic modifications in Colorectal Cancer Metastasis. Clin Exp Metastasis 2022; 39:521-539. [PMID: 35429301 PMCID: PMC9338907 DOI: 10.1007/s10585-022-10163-w] [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] [Received: 12/01/2021] [Accepted: 03/18/2022] [Indexed: 12/19/2022]
Abstract
Distant metastasis is the major contributor to the high mortality rate of colorectal cancer (CRC). To overcome the poor prognosis caused by distant metastasis, the mechanisms of CRC metastasis should be further explored. Epigenetic events are the main mediators of gene regulation and further affect tumor progression. Recent studies have found that some epigenetic enzymes are often dysregulated or mutated in multiple tumor types, which prompted us to study the roles of these enzymes in CRC metastasis. In this review, we summarized the alteration of enzymes related to various modifications, including histone modification, nonhistone modification, DNA methylation, and RNA methylation, and their epigenetic mechanisms during the progression of CRC metastasis. Existing data suggest that targeting epigenetic enzymes is a promising strategy for the treatment of CRC metastasis.
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Affiliation(s)
- Riya Su
- Department of pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xinlin Wu
- Department of General Surgery, the Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Liang Tao
- Department of pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
| | - Changshan Wang
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, China.
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5
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Identification of the Cysteine Protease Legumain as a Potential Chronic Hypoxia-Specific Multiple Myeloma Target Gene. Cells 2022; 11:cells11020292. [PMID: 35053409 PMCID: PMC8773999 DOI: 10.3390/cells11020292] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 01/07/2022] [Accepted: 01/11/2022] [Indexed: 02/05/2023] Open
Abstract
Multiple myeloma (MM) is the second most common hematologic malignancy, which is characterized by clonal proliferation of neoplastic plasma cells in the bone marrow. This microenvironment is characterized by low oxygen levels (1–6% O2), known as hypoxia. For MM cells, hypoxia is a physiologic feature that has been described to promote an aggressive phenotype and to confer drug resistance. However, studies on hypoxia are scarce and show little conformity. Here, we analyzed the mRNA expression of previously determined hypoxia markers to define the temporal adaptation of MM cells to chronic hypoxia. Subsequent analyses of the global proteome in MM cells and the stromal cell line HS-5 revealed hypoxia-dependent regulation of proteins, which directly or indirectly upregulate glycolysis. In addition, chronic hypoxia led to MM-specific regulation of nine distinct proteins. One of these proteins is the cysteine protease legumain (LGMN), the depletion of which led to a significant growth disadvantage of MM cell lines that is enhanced under hypoxia. Thus, herein, we report a methodologic strategy to examine MM cells under physiologic hypoxic conditions in vitro and to decipher and study previously masked hypoxia-specific therapeutic targets such as the cysteine protease LGMN.
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6
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Jeon HY, Ryu H, Pornour M, Qi J. Histone demethylase JMJD1A in cancer progression and therapeutic resistance. Mol Carcinog 2022; 61:392-396. [PMID: 35020958 PMCID: PMC8930527 DOI: 10.1002/mc.23390] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 12/21/2021] [Indexed: 12/20/2022]
Abstract
JMJD1A (also called lysine demethylase 3A [KDM3A]) belongs to the Jumonji C family of histone demethylases. It specifically removes the repressive mono- or di-methyl marks from histone H3 at lysine 9 and thus contributes to the activation of gene transcription. JMJD1A plays a key role in a variety of biological processes such as spermatogenesis, metabolism, sex determination, and stem cell activity. JMJD1A is upregulated in various types of cancers and can promote cancer development, progression, and therapeutic resistance. JMJD1A can epigenetically regulate the expression or activity of transcription factors such as c-Myc, androgen receptor (AR), estrogen receptor (ER), β-catenin, and so on. Expression and activity of JMJD1A in cancer cells can be regulated at transcriptional, post-transcriptional, and post-translational levels. Targeting JMJD1A may repress the oncogenic transcription factors as a potential anticancer therapy.
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Affiliation(s)
- Hee-Young Jeon
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, Maryland, USA.,Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, Maryland, USA
| | - Hyunju Ryu
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, Maryland, USA.,Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, Maryland, USA
| | - Majid Pornour
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, Maryland, USA.,Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, Maryland, USA
| | - Jianfei Qi
- Department of Biochemistry and Molecular Biology, University of Maryland, Baltimore, Maryland, USA.,Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, Maryland, USA
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7
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Vasantharajan SS, Eccles MR, Rodger EJ, Pattison S, McCall JL, Gray ES, Calapre L, Chatterjee A. The Epigenetic landscape of Circulating tumour cells. Biochim Biophys Acta Rev Cancer 2021; 1875:188514. [PMID: 33497709 DOI: 10.1016/j.bbcan.2021.188514] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/18/2021] [Accepted: 01/18/2021] [Indexed: 12/31/2022]
Abstract
Cancer metastasis is the main reason for the high mortality in patients, contributing to 90% of cancer-related deaths. Biomarkers for early detection and therapeutic monitoring are essential to improve cancer outcomes. Circulating tumour cells (CTCs) arise from solid tumours and are capable of metastatic dissemination via the bloodstream or lymphatic system. Thus, CTCs can potentially be developed as a minimally invasive biomarker for early detection and therapeutic monitoring. Despite its clinical potential, research on CTCs remains limited, and this is likely due to their low numbers, short half-life, and the lack of robust methods for their isolation. There is also a need for molecular characterisation of CTCs to identify tumour-specific features, such as epigenetic signatures of metastasis. This review provides an overview of the epigenetic landscape of CTCs. We discuss the role of epigenetic modifications in CTC dissemination,metastatic tumour formation and progression and highlight its clinical implications.
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Affiliation(s)
| | - Michael R Eccles
- Department of Pathology, Otago Medical School-Dunedin Campus, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, Level 2, 3A Symonds Street, Auckland 1010, New Zealand.
| | - Euan J Rodger
- Department of Pathology, Otago Medical School-Dunedin Campus, New Zealand.
| | - Sharon Pattison
- Department of Medicine, Otago Medical School-Dunedin Campus, New Zealand.
| | - John L McCall
- Department of Surgical Sciences, Otago Medical School-Dunedin Campus, New Zealand.
| | - Elin S Gray
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia.
| | - Leslie Calapre
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia.
| | - Aniruddha Chatterjee
- Department of Pathology, Otago Medical School-Dunedin Campus, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, Level 2, 3A Symonds Street, Auckland 1010, New Zealand.
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8
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Oh S, Song H, Freeman WM, Shin S, Janknecht R. Cooperation between ETS transcription factor ETV1 and histone demethylase JMJD1A in colorectal cancer. Int J Oncol 2020; 57:1319-1332. [PMID: 33174020 PMCID: PMC7646594 DOI: 10.3892/ijo.2020.5133] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 10/05/2020] [Indexed: 12/18/2022] Open
Abstract
ETS variant 1 (ETV1) is an oncogenic transcription factor. However, its role in colorectal cancer has remained understudied. The present study demonstrated that ETV1 downregulation led to reduced HCT116 colorectal cancer cell growth and clonogenic activity. Furthermore, the ETV1 mRNA levels were enhanced in colorectal tumors and were associated with disease severity. In addition, ETV1 directly bound to Jumonji C domain-containing (JMJD) 1A, a histone demethylase known to promote colon cancer. ETV1 and JMJD1A, but not a catalytically inactive mutant thereof, cooperated in inducing the matrix metalloproteinase (MMP)1 gene promoter that was similar to the cooperation between ETV1 and another histone demethylase, JMJD2A. RNA-sequencing revealed multiple potential ETV1 target genes in HCT116 cells, including the FOXQ1 and TBX6 transcription factor genes. Moreover, JMJD1A co-regulated FOXQ1 and other ETV1 target genes, but not TBX6, whereas JMJD2A downregulation had no impact on FOXQ1 as well as TBX6 transcription. Accordingly, the FOXQ1 gene promoter was stimulated by ETV1 and JMJD1A in a cooperative manner, and both ETV1 and JMJD1A bound to the FOXQ1 promoter. Notably, the overexpression of FOXQ1 partially reversed the growth inhibitory effects of ETV1 ablation on HCT116 cells, whereas TBX6 impaired HCT116 cell growth and may thereby dampen the oncogenic activity of ETV1. The latter also revealed for the first time, to the best of our knowledge, a potential tumor suppressive function of TBX6. Taken together, the present study uncovered a ETV1/JMJD1A-FOXQ1 axis that may drive colorectal tumorigenesis.
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Affiliation(s)
- Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Hoogeun Song
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | | | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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9
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Sui Y, Gu R, Janknecht R. Crucial Functions of the JMJD1/KDM3 Epigenetic Regulators in Cancer. Mol Cancer Res 2020; 19:3-13. [PMID: 32605929 DOI: 10.1158/1541-7786.mcr-20-0404] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/17/2020] [Accepted: 06/24/2020] [Indexed: 11/16/2022]
Abstract
Epigenetic changes are one underlying cause for cancer development and often due to dysregulation of enzymes modifying DNA or histones. Most Jumonji C domain-containing (JMJD) proteins are histone lysine demethylases (KDM) and therefore epigenetic regulators. One JMJD subfamily consists of JMJD1A/KDM3A, JMJD1B/KDM3B, and JMJD1C/KDM3C that are roughly 50% identical at the amino acid level. All three JMJD1 proteins are capable of removing dimethyl and monomethyl marks from lysine 9 on histone H3 and might also demethylate histone H4 on arginine 3 and nonhistone proteins. Analysis of knockout mice revealed critical roles for JMJD1 proteins in fertility, obesity, metabolic syndrome, and heart disease. Importantly, a plethora of studies demonstrated that especially JMJD1A and JMJD1C are overexpressed in various tumors, stimulate cancer cell proliferation and invasion, and facilitate efficient tumor growth. However, JMJD1A may also inhibit the formation of germ cell tumors. Likewise, JMJD1B appears to be a tumor suppressor in acute myeloid leukemia, but a tumor promoter in other cancers. Notably, by reducing methylation levels on histone H3 lysine 9, JMJD1 proteins can profoundly alter the transcriptome and thereby affect tumorigenesis, including through upregulating oncogenes such as CCND1, JUN, and MYC This epigenetic activity of JMJD1 proteins is sensitive to heavy metals, oncometabolites, oxygen, and reactive oxygen species, whose levels are frequently altered within cancer cells. In conclusion, inhibition of JMJD1 enzymatic activity through small molecules is predicted to be beneficial in many different cancers, but not in the few malignancies where JMJD1 proteins apparently exert tumor-suppressive functions.
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Affiliation(s)
- Yuan Sui
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Ruicai Gu
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Ralf Janknecht
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma. .,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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10
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Kim I, Park JW. Hypoxia-driven epigenetic regulation in cancer progression: A focus on histone methylation and its modifying enzymes. Cancer Lett 2020; 489:41-49. [PMID: 32522693 DOI: 10.1016/j.canlet.2020.05.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/28/2020] [Accepted: 05/20/2020] [Indexed: 02/08/2023]
Abstract
The mechanism underlying hypoxia-driven chromatin remodeling is a long-lasting question. For the last two decades, this question has been resolved in part. It is now widely agreed that hypoxia dynamically changes the methylation status of histones to control gene expression. Hypoxia-inducible factor (HIF) plays a central role in cellular responses to hypoxia through transcriptional activation of numerous genes. At least in part, the hypoxic regulation of histone methylation is attributed to the HIF-mediated expression of histone modifying enzymes. Protein hydroxylation and histone demethylation have emerged as the oxygen sensing processes because they are catalyzed by a family of 2-oxoglutarate (2OG)-dependent dioxygenases whose activities depend upon the ambient oxygen level. Recently, it has been extensively investigated that the 2OG dioxygenases oxygen-dependently regulate histone methylation. Nowadays, the hypoxic change in the histone methylation status is regarded as an important event to drive malignant behaviors of cancer cells. In this review, we introduced and summarized the cellular processes that govern hypoxia-driven regulation of histone methylation in the context of cancer biology. We also discussed the emerging roles of histone methyltransferases and demethylases in epigenetic response to hypoxia.
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Affiliation(s)
- Iljin Kim
- Department of Pharmacology, Cancer Research Institute, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jong-Wan Park
- Department of Pharmacology, Cancer Research Institute, Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul, Republic of Korea.
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11
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Sui Y, Li X, Oh S, Zhang B, Freeman WM, Shin S, Janknecht R. Opposite Roles of the JMJD1A Interaction Partners MDFI and MDFIC in Colorectal Cancer. Sci Rep 2020; 10:8710. [PMID: 32457453 PMCID: PMC7250871 DOI: 10.1038/s41598-020-65536-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 05/06/2020] [Indexed: 12/12/2022] Open
Abstract
MyoD family inhibitor (MDFI) and MDFI domain-containing (MDFIC) are homologous proteins known to regulate myogenic transcription factors. Hitherto, their role in cancer is unknown. We discovered that MDFI is up- and MDFIC downregulated in colorectal tumors. Mirroring these different expression patterns, MDFI stimulated and MDFIC inhibited growth of HCT116 colorectal cancer cells. Further, MDFI and MDFIC interacted with Jumonji C domain-containing (JMJD) 1 A, a histone demethylase and epigenetic regulator involved in colorectal cancer. JMJD1A influenced transcription of several genes that were also regulated by MDFI or MDFIC. Notably, the HIC1 tumor suppressor gene was stimulated by JMJD1A and MDFIC, but not by MDFI, and HIC1 overexpression phenocopied the growth suppressive effects of MDFIC in HCT116 cells. Similar to colorectal cancer, MDFI was up- and MDFIC downregulated in breast, ovarian and prostate cancer, but both were overexpressed in brain, gastric and pancreatic tumors that implies MDFIC to also promote tumorigenesis in certain tissues. Altogether, our data suggest a tumor modulating function for MDFI and MDFIC in colorectal and other cancers that may involve their interaction with JMJD1A and a MDFIC→HIC1 axis.
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Affiliation(s)
- Yuan Sui
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
| | - Xiaomeng Li
- China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130033, China.,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA
| | - Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA.,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA
| | - Bin Zhang
- China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130033, China
| | - Willard M Freeman
- Stephenson Cancer Center, Oklahoma City, OK, 73104, USA.,Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, 73104, USA
| | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA.,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA
| | - Ralf Janknecht
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA. .,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73104, USA. .,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA.
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12
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Lysine-specific demethylase 3A is important for autophagic occurrence. Biochem Biophys Res Commun 2020; 526:176-183. [DOI: 10.1016/j.bbrc.2020.03.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 03/10/2020] [Indexed: 02/03/2023]
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13
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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: 577] [Impact Index Per Article: 115.4] [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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14
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Blanquart C, Linot C, Cartron PF, Tomaselli D, Mai A, Bertrand P. Epigenetic Metalloenzymes. Curr Med Chem 2019; 26:2748-2785. [PMID: 29984644 DOI: 10.2174/0929867325666180706105903] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 06/04/2018] [Accepted: 06/04/2018] [Indexed: 12/12/2022]
Abstract
Epigenetics controls the expression of genes and is responsible for cellular phenotypes. The fundamental basis of these mechanisms involves in part the post-translational modifications (PTMs) of DNA and proteins, in particular, the nuclear histones. DNA can be methylated or demethylated on cytosine. Histones are marked by several modifications including acetylation and/or methylation, and of particular importance are the covalent modifications of lysine. There exists a balance between addition and removal of these PTMs, leading to three groups of enzymes involved in these processes: the writers adding marks, the erasers removing them, and the readers able to detect these marks and participating in the recruitment of transcription factors. The stimulation or the repression in the expression of genes is thus the result of a subtle equilibrium between all the possibilities coming from the combinations of these PTMs. Indeed, these mechanisms can be deregulated and then participate in the appearance, development and maintenance of various human diseases, including cancers, neurological and metabolic disorders. Some of the key players in epigenetics are metalloenzymes, belonging mostly to the group of erasers: the zinc-dependent histone deacetylases (HDACs), the iron-dependent lysine demethylases of the Jumonji family (JMJ or KDM) and for DNA the iron-dependent ten-eleven-translocation enzymes (TET) responsible for the oxidation of methylcytosine prior to the demethylation of DNA. This review presents these metalloenzymes, their importance in human disease and their inhibitors.
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Affiliation(s)
- Christophe Blanquart
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France.,Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Camille Linot
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France
| | - Pierre-François Cartron
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France.,Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Daniela Tomaselli
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy
| | - Antonello Mai
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy.,Pasteur Institute - Cenci Bolognetti Foundation, Sapienza University of Rome, Rome, Italy
| | - Philippe Bertrand
- Réseau Epigénétique du Cancéropôle Grand Ouest, France.,Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, 4 rue Michel Brunet, TSA 51106, B27, 86073, Poitiers cedex 09, France
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15
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Tsai DY, Hung KH, Chang CW, Lin KI. Regulatory mechanisms of B cell responses and the implication in B cell-related diseases. J Biomed Sci 2019; 26:64. [PMID: 31472685 PMCID: PMC6717636 DOI: 10.1186/s12929-019-0558-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 08/22/2019] [Indexed: 12/13/2022] Open
Abstract
Terminally differentiated B cell, the plasma cell, is the sole cell type capable of producing antibodies in our body. Over the past 30 years, the identification of many key molecules controlling B cell activation and differentiation has elucidated the molecular pathways for generating antibody-producing plasma cells. Several types of regulation modulating the functions of the important key molecules in B cell activation and differentiation add other layers of complexity in shaping B cell responses following antigen exposure in the absence or presence of T cell help. Further understanding of the mechanisms contributing to the proper activation and differentiation of B cells into antibody-secreting plasma cells may enable us to develop new strategies for managing antibody humoral responses during health and disease. Herein, we reviewed the effect of different types of regulation, including transcriptional regulation, post-transcriptional regulation and epigenetic regulation, on B cell activation, and on mounting memory B cell and antibody responses. We also discussed the link between the dysregulation of the abovementioned regulatory mechanisms and B cell-related disorders.
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Affiliation(s)
- Dong-Yan Tsai
- Genomics Research Center, Academia Sinica, 128 Academia Road, Sec. 2, Nankang Dist, Taipei, 115, Taiwan
| | - Kuo-Hsuan Hung
- Genomics Research Center, Academia Sinica, 128 Academia Road, Sec. 2, Nankang Dist, Taipei, 115, Taiwan
| | - Chia-Wei Chang
- Genomics Research Center, Academia Sinica, 128 Academia Road, Sec. 2, Nankang Dist, Taipei, 115, Taiwan.,Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, 110, Taiwan
| | - Kuo-I Lin
- Genomics Research Center, Academia Sinica, 128 Academia Road, Sec. 2, Nankang Dist, Taipei, 115, Taiwan. .,Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, 110, Taiwan.
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16
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McCann TS, Sobral LM, Self C, Hsieh J, Sechler M, Jedlicka P. Biology and targeting of the Jumonji-domain histone demethylase family in childhood neoplasia: a preclinical overview. Expert Opin Ther Targets 2019; 23:267-280. [PMID: 30759030 DOI: 10.1080/14728222.2019.1580692] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
INTRODUCTION Epigenetic mechanisms of gene regulatory control play fundamental roles in developmental morphogenesis, and, as more recently appreciated, are heavily implicated in the onset and progression of neoplastic disease, including cancer. Many epigenetic mechanisms are therapeutically targetable, providing additional incentive for understanding of their contribution to cancer and other types of neoplasia. Areas covered: The Jumonji-domain histone demethylase (JHDM) family exemplifies many of the above traits. This review summarizes the current state of knowledge of the functions and pharmacologic targeting of JHDMs in cancer and other neoplastic processes, with an emphasis on diseases affecting the pediatric population. Expert opinion: To date, the JHDM family has largely been studied in the context of normal development and adult cancers. In contrast, comparatively few studies have addressed JHDM biology in cancer and other neoplastic diseases of childhood, especially solid (non-hematopoietic) neoplasms. Encouragingly, the few available examples support important roles for JHDMs in pediatric neoplasia, as well as potential roles for JHDM pharmacologic inhibition in disease management. Further investigations of JHDMs in cancer and other types of neoplasia of childhood can be expected to both enlighten disease biology and inform new approaches to improve disease outcomes.
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Affiliation(s)
- Tyler S McCann
- a Department of Pathology , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
| | - Lays M Sobral
- a Department of Pathology , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
| | - Chelsea Self
- b Department of Pediatrics , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
| | - Joseph Hsieh
- c Medical Scientist Training Program , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
| | - Marybeth Sechler
- a Department of Pathology , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA.,d Cancer Biology Program , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
| | - Paul Jedlicka
- a Department of Pathology , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA.,c Medical Scientist Training Program , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA.,d Cancer Biology Program , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
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17
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Hypoxia-inducible KDM3A addiction in multiple myeloma. Blood Adv 2019; 2:323-334. [PMID: 29444873 DOI: 10.1182/bloodadvances.2017008847] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 01/16/2018] [Indexed: 12/15/2022] Open
Abstract
In multiple myeloma (MM), the bone marrow (BM) microenvironment may contain a myeloma cell fraction that has acquired treatment resistance by undergoing an epigenetic gene expression change. Hypoxic stress is an important factor in the BM microenvironment. Recently, we demonstrated that miR-210 was upregulated in hypoxia and downregulated IRF4, which is known as an essential factor in myeloma oncogenesis in normoxia. In the study, we demonstrated that myeloma cells still showed a strong antiapoptotic phenotype despite IRF4 downregulation, suggesting that another antiapoptotic factor might be involved under hypoxic stress. To determine the factor or factors, we conducted gene expression analysis on myeloma cells (primary samples and cell lines) that were exposed to chronic hypoxia and observed upregulation of glycolytic genes and genes encoding H3K9 demethylases in myeloma cells with hypoxia. Among these, KDM3A was most significantly upregulated in all examined cells, and its knockdown induced apoptosis of myeloma cells in chronic hypoxia. Expression of KDM3A was dependent on HIF-1α, which is a transcription factor specifically upregulated in hypoxia. We further demonstrated that an essential target of KDM3A was a noncoding gene, MALAT1, whose upregulation contributed to acquisition of an antiapoptotic phenotype by accumulation of HIF-1α, leading to upregulation of glycolytic genes under hypoxia. This process was independent from IRF4. These results led us to conclude that the hypoxia-inducible HIF-1α-KDM3A-MALAT1 axis also contributes to acquisition of the antiapoptotic phenotype via upregulation of glycolysis-promoting genes. Thus, this axis is a promising therapeutic target against myeloma cells in the BM microenvironment.
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De Smedt E, Lui H, Maes K, De Veirman K, Menu E, Vanderkerken K, De Bruyne E. The Epigenome in Multiple Myeloma: Impact on Tumor Cell Plasticity and Drug Response. Front Oncol 2018; 8:566. [PMID: 30619733 PMCID: PMC6297718 DOI: 10.3389/fonc.2018.00566] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 11/13/2018] [Indexed: 01/19/2023] Open
Abstract
Multiple myeloma (MM) is a clonal plasma cell malignancy that develops primarily in the bone marrow (BM), where reciprocal interactions with the BM niche foster MM cell survival, growth, and drug resistance. MM cells furthermore reshape the BM to their own needs by affecting the different BM stromal cell types resulting in angiogenesis, bone destruction, and immune suppression. Despite recent advances in treatment modalities, MM remains most often incurable due to the development of drug resistance to all standard of care agents. This underscores the unmet need for these heavily treated relapsed/refractory patients. Disruptions in epigenetic regulation are a well-known hallmark of cancer cells, contributing to both cancer onset and progression. In MM, sequencing and gene expression profiling studies have also identified numerous epigenetic defects, including locus-specific DNA hypermethylation of cancer-related and B cell specific genes, genome-wide DNA hypomethylation and genetic defects, copy number variations and/or abnormal expression patterns of various chromatin modifying enzymes. Importantly, these so-called epimutations contribute to genomic instability, disease progression, and a worse outcome. Moreover, the frequency of mutations observed in genes encoding for histone methyltransferases and DNA methylation modifiers increases following treatment, indicating a role in the emergence of drug resistance. In support of this, accumulating evidence also suggest a role for the epigenetic machinery in MM cell plasticity, driving the differentiation of the malignant cells to a less mature and drug resistant state. This review discusses the current state of knowledge on the role of epigenetics in MM, with a focus on deregulated histone methylation modifiers and the impact on MM cell plasticity and drug resistance. We also provide insight into the potential of epigenetic modulating agents to enhance clinical drug responses and avoid disease relapse.
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Affiliation(s)
- Eva De Smedt
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Hui Lui
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, China
| | - Ken Maes
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Kim De Veirman
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology-Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
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19
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Li X, Oh S, Song H, Shin S, Zhang B, Freeman WM, Janknecht R. A potential common role of the Jumonji C domain-containing 1A histone demethylase and chromatin remodeler ATRX in promoting colon cancer. Oncol Lett 2018; 16:6652-6662. [PMID: 30405805 PMCID: PMC6202502 DOI: 10.3892/ol.2018.9487] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 09/17/2018] [Indexed: 12/14/2022] Open
Abstract
Jumonji C domain-containing 1A (JMJD1A) is a histone demethylase and epigenetic regulator that has been implicated in cancer development. In the current study, its mRNA and protein expression was analyzed in human colorectal tumors. It was demonstrated that JMJD1A levels were increased and correlated with a more aggressive phenotype. Downregulation of JMJD1A in human HCT116 colorectal cancer cells caused negligible growth defects, but robustly decreased clonogenic activity. Transcriptome analysis revealed that JMJD1A downregulation led to multiple changes in HCT116 cells, including inhibition of MYC- and MYCN-regulated pathways and stimulation of the TP53 tumor suppressor response. One gene identified to be stimulated by JMJD1A was α-thalassemia/mental retardation syndrome X-linked (ATRX), which encodes for a chromatin remodeler. The JMJD1A protein, but not a catalytically inactive mutant, activated the ATRX gene promoter and JMJD1A also affected levels of dimethylation on lysine 9 of histone H3. Similar to JMJD1A, ATRX was significantly overexpressed in human colorectal tumors and correlated with increased disease recurrence and lethality. Furthermore, ATRX downregulation in HCT116 cells reduced their growth and clonogenic activity. Accordingly, upregulation of ATRX may represent one mechanism by which JMJD1A promotes colorectal cancer. In addition, the data presented in this study suggest that the current notion of ATRX as a tumor suppressor is incomplete and that ATRX might context dependently also function as a tumor promoter.
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Affiliation(s)
- Xiaomeng Li
- Department of Endoscopy and Gastrointestinal Medicine, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China.,Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA.,Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Hoogeun Song
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA.,Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Bin Zhang
- Department of Endoscopy and Gastrointestinal Medicine, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Willard M Freeman
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA.,Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA.,Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
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20
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Peng K, Su G, Ji J, Yang X, Miao M, Mo P, Li M, Xu J, Li W, Yu C. Histone demethylase JMJD1A promotes colorectal cancer growth and metastasis by enhancing Wnt/β-catenin signaling. J Biol Chem 2018; 293:10606-10619. [PMID: 29802196 DOI: 10.1074/jbc.ra118.001730] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 04/25/2018] [Indexed: 01/19/2023] Open
Abstract
The histone demethylase Jumonji domain containing 1A (JMJD1A) is overexpressed in multiple tumors and promotes cancer progression. JMJD1A has been shown to promote colorectal cancer (CRC) progression, but its molecular role in CRC is unclear. Here, we report that JMJD1A is overexpressed in CRC specimens and that its expression is positively correlated with that of proliferating cell nuclear antigen (PCNA). JMJD1A knockdown decreased the expression of proliferative genes such as c-Myc, cyclin D1, and PCNA, suppressed CRC cell proliferation, arrested cell cycle progression, and reduced xenograft tumorigenesis. Furthermore, JMJD1A knockdown inhibited CRC cell migration, invasion, and lung metastasis by decreasing matrix metallopeptidase 9 (MMP9) expression and enzymatic activity. Moreover, bioinformatics analysis of GEO profile datasets revealed that JMJD1A expression in human CRC specimens is positively correlated with the expression of Wnt/β-catenin target genes, including c-Myc, cyclin D1, and MMP9. Mechanistically, JMJD1A enhanced Wnt/β-catenin signaling by promoting β-catenin expression and interacting with β-catenin to enhance its transactivation. JMJD1A removed the methyl groups of H3K9me2 at the promoters of c-Myc and MMP9 genes. In contrast, the JMJD1AH1120Y variant, which lacked demethylase activity, did not demethylate H3K9me2 at these promoters, failed to assist β-catenin to induce the expression of Wnt/β-catenin target genes, and failed to promote CRC progression. These findings suggest that JMJD1A's demethylase activity is required for Wnt/β-catenin activation. Of note, high JMJD1A levels in CRC specimens predicted poor cancer outcomes. In summary, JMJD1A promotes CRC progression by enhancing Wnt/β-catenin signaling, implicating JMJD1A as a potential molecular target for CRC management.
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Affiliation(s)
- Kesong Peng
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Guoqiang Su
- The First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, China
| | - Jinmeng Ji
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Xiaojia Yang
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Mengmeng Miao
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Pingli Mo
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Ming Li
- the Xiamen City Key Laboratory of Biliary Tract Diseases, Xiang'an Hospital of Xiamen University, Xiamen, Fujian 361101, China, and
| | - Jianming Xu
- the Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030
| | - Wengang Li
- the Xiamen City Key Laboratory of Biliary Tract Diseases, Xiang'an Hospital of Xiamen University, Xiamen, Fujian 361101, China, and
| | - Chundong Yu
- From the State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian 361102, China,
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Maia LDL, Peterle GT, dos Santos M, Trivilin LO, Mendes SO, de Oliveira MM, dos Santos JG, Stur E, Agostini LP, Couto CVMDS, Dalbó J, de Assis ALEM, Archanjo AB, Mercante AMDC, Lopez RVM, Nunes FD, de Carvalho MB, Tajara EH, Louro ID, Álvares-da-Silva AM. JMJD1A, H3K9me1, H3K9me2 and ADM expression as prognostic markers in oral and oropharyngeal squamous cell carcinoma. PLoS One 2018; 13:e0194884. [PMID: 29590186 PMCID: PMC5874045 DOI: 10.1371/journal.pone.0194884] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 03/12/2018] [Indexed: 02/06/2023] Open
Abstract
Aims Jumonji Domain-Containing 1A (JMJD1A) protein promotes demethylation of histones, especially at lysin-9 of di-methylated histone H3 (H3K9me2) or mono-methylated (H3K9me1). Increased levels of H3 histone methylation at lysin-9 (H3K9) is related to tumor suppressor gene silencing. JMJD1A gene target Adrenomeduline (ADM) has shown to promote cell growth and tumorigenesis. JMJD1A and ADM expression, as well as H3K9 methylation level have been related with development risk and prognosis of several tumor types. Methods and results We aimed to evaluate JMJD1A, ADM, H3K9me1 and H3K9me2expression in paraffin-embedded tissue microarrays from 84 oral and oropharyngeal squamous cell carcinoma samples through immunohistochemistry analysis. Our results showed that nuclear JMJD1A expression was related to lymph node metastasis risk. In addition, JMJD1A cytoplasmic expression was an independent risk marker for advanced tumor stages. H3K9me1 cytoplasmic expression was associated with reduced disease-specific death risk. Furthermore, high H3K9me2 nuclear expression was associated with worse specific-disease and disease-free survival. Finally, high ADM cytoplasmic expression was an independent marker of lymph node metastasis risk. Conclusion JMJD1A, H3K9me1/2 and ADM expression may be predictor markers of progression and prognosis in oral and oropharynx cancer patients, as well as putative therapeutic targets.
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Affiliation(s)
- Lucas de Lima Maia
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
- * E-mail:
| | - Gabriela Tonini Peterle
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Marcelo dos Santos
- Escola Multicampi de Ciências Médicas do Rio Grande do Norte, Universidade Federal do Rio Grande do Norte, Caicó, Rio Grande do Norte, Brazil
| | - Leonardo Oliveira Trivilin
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Suzanny Oliveira Mendes
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Mayara Mota de Oliveira
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Joaquim Gasparini dos Santos
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Elaine Stur
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | - Lidiane Pignaton Agostini
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | | | - Juliana Dalbó
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | | | - Anderson Barros Archanjo
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
| | | | | | - Fábio Daumas Nunes
- Departamento de Patologia Bucal, Faculdade de Odontologia, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | | | - Eloiza Helena Tajara
- Departamento de Biologia Molecular, Faculdade de Medicina, São José do Rio Preto, São Paulo, Brazil
| | - Iúri Drumond Louro
- Programa de Pós-Graduação em Biotecnologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil
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The histone demethylase KDM3A regulates the transcriptional program of the androgen receptor in prostate cancer cells. Oncotarget 2018; 8:30328-30343. [PMID: 28416760 PMCID: PMC5444746 DOI: 10.18632/oncotarget.15681] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 09/09/2016] [Indexed: 01/07/2023] Open
Abstract
The lysine demethylase 3A (KDM3A, JMJD1A or JHDM2A) controls transcriptional networks in a variety of biological processes such as spermatogenesis, metabolism, stem cell activity, and tumor progression. We matched transcriptomic and ChIP-Seq profiles to decipher a genome-wide regulatory network of epigenetic control by KDM3A in prostate cancer cells. ChIP-Seq experiments monitoring histone 3 lysine 9 (H3K9) methylation marks show global histone demethylation effects of KDM3A. Combined assessment of histone demethylation events and gene expression changes presented major transcriptional activation suggesting that distinct oncogenic regulators may synergize with the epigenetic patterns by KDM3A. Pathway enrichment analysis of cells with KDM3A knockdown prioritized androgen signaling indicating that KDM3A plays a key role in regulating androgen receptor activity. Matched ChIP-Seq and knockdown experiments of KDM3A in combination with ChIP-Seq of the androgen receptor resulted in a gain of H3K9 methylation marks around androgen receptor binding sites of selected transcriptional targets in androgen signaling including positive regulation of KRT19, NKX3-1, KLK3, NDRG1, MAF, CREB3L4, MYC, INPP4B, PTK2B, MAPK1, MAP2K1, IGF1, E2F1, HSP90AA1, HIF1A, and ACSL3. The cancer systems biology analysis of KDM3A-dependent genes identifies an epigenetic and transcriptional network in androgen response, hypoxia, glycolysis, and lipid metabolism. Genome-wide ChIP-Seq data highlights specific gene targets and the ability of epigenetic master regulators to control oncogenic pathways and cancer progression.
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Liu J, Zhu M, Xia X, Huang Y, Zhang Q, Wang X. Jumonji domain-containing protein 1A promotes cell growth and progression via transactivation of c-Myc expression and predicts a poor prognosis in cervical cancer. Oncotarget 2018; 7:85151-85162. [PMID: 27835890 PMCID: PMC5356725 DOI: 10.18632/oncotarget.13208] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Accepted: 10/26/2016] [Indexed: 02/07/2023] Open
Abstract
Jumonji domain-containing protein 1A (JMJD1A) plays a key role in the development and progression of several cancers. Here, we showed that the expression of JMJD1A is increased in cervical cancer cells and tissues, and that suppression of JMJD1A inhibits proliferation, migration, and invasion of cervical cancer cells. JMJD1A induced transcription of c-Myc, which is essential for cervical cancer growth and progression. Clinical data showed that JMJD1A expression correlated with lymph node metastasis (P=0.031) and FIGO stage (P=0.007). Increased c-Myc levels were associated with tumor differentiation (P=0.007) and FIGO stage (P<0.001). JMJD1A protein levels correlated with c-Myc expression (P<0.001), and high co-expression of the two proteins correlated with a poor prognosis. Survival analysis showed that JMJD1A and c-Myc levels are independent prognostic factors for cervical cancer patients. These results suggest that JMJD1A is a promising therapeutic target in cervical cancer.
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Affiliation(s)
- Jue Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, 421001, P.R. China
| | - Ming Zhu
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, P.R. China
| | - Xue Xia
- Department of Orthopaedics, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, 421001, P.R. China
| | - Yuliang Huang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, 421001, P.R. China
| | - Qunfeng Zhang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, 421001, P.R. China
| | - Xiaoxu Wang
- Department of Orthopaedics, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, 421001, P.R. China
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Zhang BF, Jiang H, Chen J, Guo X, Hu Q, Yang S. KDM3A inhibition attenuates high concentration insulin‑induced vascular smooth muscle cell injury by suppressing MAPK/NF‑κB pathways. Int J Mol Med 2017; 41:1265-1274. [PMID: 29286083 PMCID: PMC5819917 DOI: 10.3892/ijmm.2017.3351] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 11/13/2017] [Indexed: 12/25/2022] Open
Abstract
Previous studies have indicated that lysine (K)-specific demethylase 3A (KDM3A) is associated with diverse diabetes-associated cardiovascular complications in response to high glucose levels. However, the effects of KDM3A on the pathological progression of cardiovascular injuries in response to high insulin levels remain unknown. The present study aimed to explore whether KDM3A knockdown may attenuate high insulin-induced vascular smooth muscle cell (VSMC) dysfunction, and to further investigate the underlying mechanisms. Primary VSMCs were isolated from the thoracic aorta of Sprague-Dawley rats. Lentiviral vectors encoding control-small interfering (si)RNA or KDM3A-siRNA were transduced into VSMCs for 72 h, and cells were subsequently incubated in medium containing 100 nM insulin for a further 5 days. Cellular proli feration, migration and apoptosis were measured by Cell Counting kit-8, Transwell chamber assay and flow cytometry, respectively. Reactive oxygen species (ROS) were detected using the dihydroethidium fluorescent probe. The mRNA expression levels of interleukin-6 and monocyte chemotactic protein-1 were measured by reverse transcription-quantitative polymerase chain reaction. Furthermore, the protein expression levels of KDM3A, mitogen-activated protein kinases (MAPKs), nuclear factor (NF)-κB/p65, B-cell lymphoma 2 (Bcl-2)-associated X protein and Bcl-2 were evaluated by western blotting. Lentivirus transduction with KDM3A-siRNA markedly reduced the elevated expression of KDM3A induced by high insulin stimulation in VSMCs. In addition, inhibition of KDM3A significantly ameliorated insulin-induced VSMC proliferation and migration, which was accompanied by decreased ROS levels, cell apoptosis and inflammatory cytokine levels. Furthermore, KDM3A gene silencing mitigated phosphorylation of MAPKs and NF-κB/p65 activation. In conclusion, KDM3A inhibition may exert numerous protective effects on high insulin-stimulated VSMCs, and the underlying mechanisms may be partly associated with inactivation of MAPK/NF-κB signaling pathways.
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Affiliation(s)
- Bo-Fang Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
| | - Jing Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
| | - Xin Guo
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
| | - Qi Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
| | - Shuo Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute, Wuhan University, Hubei Key Laboratory of Cardiology, Wuhan, Hubei 430060, P.R. China
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Jedlicka P. The potential of KDM3A as a therapeutic target in Ewing Sarcoma and other cancers. Expert Opin Ther Targets 2017; 21:997-999. [PMID: 29022407 DOI: 10.1080/14728222.2017.1391791] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Paul Jedlicka
- a Department of Pathology , University of Colorado Denver, Anschutz Medical Campus , Aurora , CO , USA
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26
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Hosseini A, Minucci S. A comprehensive review of lysine-specific demethylase 1 and its roles in cancer. Epigenomics 2017; 9:1123-1142. [PMID: 28699367 DOI: 10.2217/epi-2017-0022] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Histone methylation plays a key role in the regulation of chromatin structure, and its dynamics regulates important cellular processes. The investigation of the role of alterations in histone methylation in cancer has led to the identification of histone methyltransferases and demethylases as promising novel targets for therapy. Lysine-specific demethylase 1(LSD1, also known as KDM1A) is the first discovered histone lysine demethylase, with the ability to demethylase H3K4me1/2 and H3K9me1/2 at target loci in a context-dependent manner. LSD1 regulates the balance between self-renewal and differentiation of stem cells, and is highly expressed in various cancers, playing an important role in differentiation and self-renewal of tumor cells. In this review, we summarize recent studies about the LSD1, its role in normal and tumor cells, and the potential use of small molecule LSD1 inhibitors in therapy.
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Affiliation(s)
- Amir Hosseini
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Saverio Minucci
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy.,Department of Biosciences, University of Milan, Milan, Italy
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Impact of histone demethylase KDM3A-dependent AP-1 transactivity on hepatotumorigenesis induced by PI3K activation. Oncogene 2017; 36:6262-6271. [DOI: 10.1038/onc.2017.222] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 04/23/2017] [Accepted: 06/02/2017] [Indexed: 02/07/2023]
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D'Ignazio L, Batie M, Rocha S. Hypoxia and Inflammation in Cancer, Focus on HIF and NF-κB. Biomedicines 2017; 5:E21. [PMID: 28536364 PMCID: PMC5489807 DOI: 10.3390/biomedicines5020021] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/02/2017] [Accepted: 05/04/2017] [Indexed: 12/25/2022] Open
Abstract
Cancer is often characterised by the presence of hypoxia and inflammation. Paramount to the mechanisms controlling cellular responses under such stress stimuli, are the transcription factor families of Hypoxia Inducible Factor (HIF) and Nuclear Factor of κ-light-chain-enhancer of activated B cells (NF-κB). Although, a detailed understating of how these transcription factors respond to their cognate stimulus is well established, it is now appreciated that HIF and NF-κB undergo extensive crosstalk, in particular in pathological situations such as cancer. Here, we focus on the current knowledge on how HIF is activated by inflammation and how NF-κB is modulated by hypoxia. We summarise the evidence for the possible mechanism behind this activation and how HIF and NF-κB function impacts cancer, focusing on colorectal, breast and lung cancer. We discuss possible new points of therapeutic intervention aiming to harness the current understanding of the HIF-NF-κB crosstalk.
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Affiliation(s)
- Laura D'Ignazio
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD15EH, UK.
| | - Michael Batie
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD15EH, UK.
| | - Sonia Rocha
- Centre for Gene Regulation and Expression, School of Life Sciences, University of Dundee, Dundee DD15EH, UK.
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29
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Hyun K, Jeon J, Park K, Kim J. Writing, erasing and reading histone lysine methylations. Exp Mol Med 2017; 49:e324. [PMID: 28450737 PMCID: PMC6130214 DOI: 10.1038/emm.2017.11] [Citation(s) in RCA: 706] [Impact Index Per Article: 100.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 12/20/2016] [Indexed: 02/08/2023] Open
Abstract
Histone modifications are key epigenetic regulatory features that have important roles in many cellular events. Lysine methylations mark various sites on the tail and globular domains of histones and their levels are precisely balanced by the action of methyltransferases ('writers') and demethylases ('erasers'). In addition, distinct effector proteins ('readers') recognize specific methyl-lysines in a manner that depends on the neighboring amino-acid sequence and methylation state. Misregulation of histone lysine methylation has been implicated in several cancers and developmental defects. Therefore, histone lysine methylation has been considered a potential therapeutic target, and clinical trials of several inhibitors of this process have shown promising results. A more detailed understanding of histone lysine methylation is necessary for elucidating complex biological processes and, ultimately, for developing and improving disease treatments. This review summarizes enzymes responsible for histone lysine methylation and demethylation and how histone lysine methylation contributes to various biological processes.
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Affiliation(s)
- Kwangbeom Hyun
- Laboratory of Eukaryotic Transcription, Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Jongcheol Jeon
- Laboratory of Eukaryotic Transcription, Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Kihyun Park
- Laboratory of Eukaryotic Transcription, Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Jaehoon Kim
- Laboratory of Eukaryotic Transcription, Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
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30
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Yeyati PL, Schiller R, Mali G, Kasioulis I, Kawamura A, Adams IR, Playfoot C, Gilbert N, van Heyningen V, Wills J, von Kriegsheim A, Finch A, Sakai J, Schofield CJ, Jackson IJ, Mill P. KDM3A coordinates actin dynamics with intraflagellar transport to regulate cilia stability. J Cell Biol 2017; 216:999-1013. [PMID: 28246120 PMCID: PMC5379941 DOI: 10.1083/jcb.201607032] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 11/23/2016] [Accepted: 01/12/2017] [Indexed: 12/15/2022] Open
Abstract
Cilia assembly and disassembly are coupled to actin dynamics, ensuring a coherent cellular response during environmental change. How these processes are integrated remains undefined. The histone lysine demethylase KDM3A plays important roles in organismal homeostasis. Loss-of-function mouse models of Kdm3a phenocopy features associated with human ciliopathies, whereas human somatic mutations correlate with poor cancer prognosis. We demonstrate that absence of KDM3A facilitates ciliogenesis, but these resulting cilia have an abnormally wide range of axonemal lengths, delaying disassembly and accumulating intraflagellar transport (IFT) proteins. KDM3A plays a dual role by regulating actin gene expression and binding to the actin cytoskeleton, creating a responsive "actin gate" that involves ARP2/3 activity and IFT. Promoting actin filament formation rescues KDM3A mutant ciliary defects. Conversely, the simultaneous depolymerization of actin networks and IFT overexpression mimics the abnormal ciliary traits of KDM3A mutants. KDM3A is thus a negative regulator of ciliogenesis required for the controlled recruitment of IFT proteins into cilia through the modulation of actin dynamics.
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Affiliation(s)
- Patricia L Yeyati
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Rachel Schiller
- Department of Chemistry, Chemistry Research Laboratory, OX1 3TA Oxford, England, UK
| | - Girish Mali
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Ioannis Kasioulis
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Akane Kawamura
- Department of Chemistry, Chemistry Research Laboratory, OX1 3TA Oxford, England, UK
| | - Ian R Adams
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Christopher Playfoot
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Nick Gilbert
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Veronica van Heyningen
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Jimi Wills
- Edinburgh Cancer Research UK Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Alex von Kriegsheim
- Edinburgh Cancer Research UK Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Andrew Finch
- Edinburgh Cancer Research UK Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Juro Sakai
- Division of Metabolic Medicine, Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo 153-8904, Japan
| | | | - Ian J Jackson
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
| | - Pleasantine Mill
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU Scotland, UK
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31
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Lysine-Specific Histone Demethylases Contribute to Cellular Differentiation and Carcinogenesis. EPIGENOMES 2017. [DOI: 10.3390/epigenomes1010004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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32
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Li Y, Yang W, Wu B, Liu Y, Li D, Guo Y, Fu H, Li Y. KDM3A promotes inhibitory cytokines secretion by participating in TLR4 regulation of Foxp3 transcription in lung adenocarcinoma cells. Oncol Lett 2017; 13:3529-3537. [PMID: 28521455 PMCID: PMC5431314 DOI: 10.3892/ol.2017.5949] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 12/20/2016] [Indexed: 12/14/2022] Open
Abstract
Toll-like receptor 4 (TLR4) is a pattern recognition receptors, a member of the Toll-like receptor family and it serves a role in innate and acquired immunity. It has previously been reported that TLR4 was overexpressed in a variety of tumor tissues and cells, including colorectal cancer, gastric cancer and ovarian cancer. In the tumor microenvironment, the TLR4 signaling pathway may be activated in order to upregulate forkhead box P3 (Foxp3) expression in regulatory T cells (Tregs), and thus enhance the immunosuppressive function of Tregs. Also, inflammatory cytokine release would be increased, which promotes tumor immune system evasion. Additionally, it has previously been reported that TLR4 activation may induce histone methylation changes at multiple sites. However, the effects of the alterations to histone methylation in the process of TLR4-associated tumor immune system evasion are not currently known. Histone methylation serves a critical role in regulating gene expression. Abnormal histone methylation is closely associated with tumor development and progression. In order to investigate the epigenetic mechanisms underlying Foxp3 regulation by TLR4, the human lung adenocarcinoma cell line A549 was used. In the present study, it was revealed that the expression level of H3K9me1/2 histone lysine demethylase 3A (KDM3A) was significantly increased following TLR 4 activation in the lung adenocarcinoma A549 cell line, whereas silencing of KDM3A expression led to significantly reduced Foxp3 expression under TLR4 regulation. This result suggests that KDM3A participates in TLR4 regulation of Foxp3 transcription. Additional analysis revealed that during nuclear transport of Foxp3, KDM3A may directly bind to the Foxp3 promoter and activate its transcription. This results in increased secretion of Foxp3-downstream inhibitory cytokines, including transforming growth factor-β1 (TGF-β1), interleukin 35 (IL-35) and heme oxygenase 1 (HO-1), which have immunosuppressive effects and ultimately facilitate the immune escape of lung cancer cells. From the results, the present study concluded that TLR4 activation promoted the expression of H3K9me1/2 demethylase KDM3A. KDM3A bound directly to the Foxp3 promoter and promoted Foxp3 transcription, thereby inducing the secretion of Foxp3-associated downstream inhibitory cytokines (TGF-β1, IL-35, and HO-1), ultimately facilitating the immune system evasion of lung adenocarcinoma.
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Affiliation(s)
- Yinan Li
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China.,Department of Pathology, Qingdao Center Medical Group, Qingdao, Shandong 266000, P.R. China
| | - Wei Yang
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Bin Wu
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yaqing Liu
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Dongbei Li
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yantong Guo
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Haiying Fu
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Yi Li
- Department of Immunology, College of Basic Medical Science, Jilin University, Changchun, Jilin 130021, P.R. China
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Kawai K, Uemura M, Munakata K, Takahashi H, Haraguchi N, Nishimura J, Hata T, Matsuda C, Ikenaga M, Murata K, Mizushima T, Yamamoto H, Doki Y, Mori M. Fructose-bisphosphate aldolase A is a key regulator of hypoxic adaptation in colorectal cancer cells and involved in treatment resistance and poor prognosis. Int J Oncol 2016; 50:525-534. [PMID: 28000858 DOI: 10.3892/ijo.2016.3814] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 11/23/2016] [Indexed: 11/05/2022] Open
Abstract
Hypoxia is an essential feature of cancer malignancy, but there are no methods for the routine detection of hypoxia-inducible prognostic factors and potential therapeutic targets. We reported previously that the hypoxic tumor cells of metastatic liver tissue from patients with colorectal cancer (CRC) could be used as an 'in vivo' hypoxia culture model. Several potential hypoxia-inducible genes were identified using this model. Among them, one glycolytic enzyme was of special interest. There is currently increasing attention on glycolytic enzymes as potential therapeutic targets due to their association with cancer-specific metabolism. To better understand the molecular mechanisms of cancer malignancy, we investigated the expression of fructose-bisphosphate aldolase A (ALDOA) and its relationship with cancer metabolism. We found that ALDOA was induced by hypoxia in CRC-derived cell lines, and univariate and multivariate analyses of microarray data from the resected CRC samples of 222 patients revealed that ALDOA was an independent prognostic factor for CRC. We also analyzed the malignant potential of ALDOA in vitro using overexpression and knockdown assays. We found that ALDOA was negatively related to chemosensitivity and radiosensitivity and positively associated with proliferation, sphere formation and invasion in both normoxia and hypoxia. These associations were due to the roles of ALDOA in regulating glycolysis, the epithelial-mesenchymal transition and the cell cycle. These findings demonstrate that ALDOA is a hypoxia-inducible prognostic factor that is closely related to CRC malignancy, and also provide new insights into the importance of ALDOA and glycolysis in cancer and suggest new targets for anticancer therapies.
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Affiliation(s)
- Kenji Kawai
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Mamoru Uemura
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Koji Munakata
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Hidekazu Takahashi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Naotsugu Haraguchi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Junichi Nishimura
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Taishi Hata
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Chu Matsuda
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Masakazu Ikenaga
- Department of Surgery, Higashi-osaka City General Hospital, Higashiosaka, Osaka 578-8588, Japan
| | - Kohei Murata
- Department of Surgery, Suita Municipal Hospital, Suita, Osaka 564‑0082, Japan
| | - Tsunekazu Mizushima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Hirofumi Yamamoto
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
| | - Masaki Mori
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka 565‑0871, Japan
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Kaukonen R, Mai A, Georgiadou M, Saari M, De Franceschi N, Betz T, Sihto H, Ventelä S, Elo L, Jokitalo E, Westermarck J, Kellokumpu-Lehtinen PL, Joensuu H, Grenman R, Ivaska J. Normal stroma suppresses cancer cell proliferation via mechanosensitive regulation of JMJD1a-mediated transcription. Nat Commun 2016; 7:12237. [PMID: 27488962 PMCID: PMC4976218 DOI: 10.1038/ncomms12237] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Accepted: 06/15/2016] [Indexed: 02/08/2023] Open
Abstract
Tissue homeostasis is dependent on the controlled localization of specific cell types and the correct composition of the extracellular stroma. While the role of the cancer stroma in tumour progression has been well characterized, the specific contribution of the matrix itself is unknown. Furthermore, the mechanisms enabling normal-not cancer-stroma to provide tumour-suppressive signals and act as an antitumorigenic barrier are poorly understood. Here we show that extracellular matrix (ECM) generated by normal fibroblasts (NFs) is softer than the CAF matrix, and its physical and structural features regulate cancer cell proliferation. We find that normal ECM triggers downregulation and nuclear exit of the histone demethylase JMJD1a resulting in the epigenetic growth restriction of carcinoma cells. Interestingly, JMJD1a positively regulates transcription of many target genes, including YAP/TAZ (WWTR1), and therefore gene expression in a stiffness-dependent manner. Thus, normal stromal restricts cancer cell proliferation through JMJD1a-dependent modulation of gene expression.
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Affiliation(s)
- Riina Kaukonen
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
| | - Anja Mai
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
| | - Maria Georgiadou
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
| | - Markku Saari
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
| | | | - Timo Betz
- Institute of Cell Biology, Center for Molecular Biology of Inflammation, 48149 Muenster, Germany
| | - Harri Sihto
- Laboratory of Molecular Oncology, Translational Cancer Biology Program, University of Helsinki, 00290 Helsinki, Finland
| | - Sami Ventelä
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
- Department of Otorhinolaryngology, Head and Neck Surgery, Turku University and Turku University Hospital, 20521 Turku, Finland
| | - Laura Elo
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
- Department of Mathematics and Statistics, University of Turku, 20520, Turku, Finland
| | - Eija Jokitalo
- Institute of Biotechnology, Electron Microscopy Unit University of Helsinki, 00014 Helsinki, Finland
| | | | | | - Heikki Joensuu
- Laboratory of Molecular Oncology, Translational Cancer Biology Program, University of Helsinki, 00290 Helsinki, Finland
- Department of Oncology, Helsinki University Central Hospital, 00029 Helsinki, Finland
| | - Reidar Grenman
- Department of Otorhinolaryngology, Head and Neck Surgery, Turku University and Turku University Hospital, 20521 Turku, Finland
| | - Johanna Ivaska
- Centre for Biotechnology, University of Turku, 20520 Turku, Finland
- Department of Biochemistry and Food Chemistry, University of Turku, 20520 Turku, Finland
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36
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Cancer Stem-like Properties in Colorectal Cancer Cells with Low Proteasome Activity. Clin Cancer Res 2016; 22:5277-5286. [DOI: 10.1158/1078-0432.ccr-15-1945] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 04/21/2016] [Indexed: 11/16/2022]
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Abstract
Histone posttranslational modifications represent a versatile set of epigenetic marks involved not only in dynamic cellular processes, such as transcription and DNA repair, but also in the stable maintenance of repressive chromatin. In this article, we review many of the key and newly identified histone modifications known to be deregulated in cancer and how this impacts function. The latter part of the article addresses the challenges and current status of the epigenetic drug development process as it applies to cancer therapeutics.
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Affiliation(s)
- James E Audia
- Constellation Pharmaceuticals, Cambridge, Massachusetts 02142
| | - Robert M Campbell
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, Indiana 46285
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JMJD1A promotes tumorigenesis and forms a feedback loop with EZH2/let-7c in NSCLC cells. Tumour Biol 2016; 37:11237-47. [PMID: 26945572 DOI: 10.1007/s13277-016-4999-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 02/25/2016] [Indexed: 01/28/2023] Open
Abstract
Lung cancer is the most common cause of cancer-related deaths worldwide, and non-small cell lung cancer (NSCLC) accounts for 80 to 85 % of all lung cancer. Although the standard treatment regimen has been established, long-term survival for NSCLC patients is still generally poor. The histone demethylase Jumonji domain containing 1A (JMJD1A) has been proposed as an oncogene in several types of human cancer, but its clinical significance and functional roles in NSCLC remain largely unclear. In the present study, JMJD1A was frequently upregulated in NSCLC compared with para-carcinoma tissues. JMJD1A knockdown significantly inhibited NSCLC cell growth, migration, and invasion in vitro and tumorigenesis in vivo. Further experiments demonstrated that JMJD1A knockdown could decrease the expression of EZH2, which has been shown to play a crucial role in the carcinogenesis of NSCLC and, in turn, increase the expression of anti-tumor microRNA let-7c. Also, let-7c directly targeted the 3'-untranslated regions of JMJD1A and EZH2. Taken together, JMJD1A could promote NSCLC tumorigenesis. JMJD1A/EZH2/let-7c constituted a feedback loop and might represent a promising therapeutic target for NSCLC.
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Park SY, Park JW, Chun YS. Jumonji histone demethylases as emerging therapeutic targets. Pharmacol Res 2016; 105:146-51. [PMID: 26816087 DOI: 10.1016/j.phrs.2016.01.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 01/21/2016] [Indexed: 11/28/2022]
Abstract
The methylation status of lysine residues in histones determines the transcription of surrounding genes by modulating the chromatin architecture. Jumonji domain-containing histone-lysine demethylases (Jmj-KDMs) remove the methyl moiety from lysine residues in histones by utilizing Fe(2+) and α-ketoglutarate. Since genetic alterations in Jmj-KDMs occur in various human cancers, the roles of Jmj-KDMs in cancer development and progression have been investigated, but still controversial. The KDM7 subfamily, which belongs to the Jmj-KDM family, is an emerging class of transcriptional coactivators because its members erase the repressive marks H3K9me2/1, H3K27me2/1, and H4K20 me1. Recently, KDM7C (alternatively named PHF2) was discovered as a new KDM7 member and identified to play a tumor-suppressive role through the reinforcement of p53-driven growth arrest and apoptosis. In this article, we generally reviewed the roles of Jmj-KDMs in human cancers and more discussed the molecular functions and the clinical significances of KDM7C.
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Affiliation(s)
- Sung Yeon Park
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea
| | - Jong-Wan Park
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea; Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea
| | - Yang-Sook Chun
- Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea; Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea; Department of Physiology, Seoul National University College of Medicine, Seoul 110-799, Republic of Korea.
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40
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Ohguchi H, Hideshima T, Bhasin MK, Gorgun GT, Santo L, Cea M, Samur MK, Mimura N, Suzuki R, Tai YT, Carrasco RD, Raje N, Richardson PG, Munshi NC, Harigae H, Sanda T, Sakai J, Anderson KC. The KDM3A-KLF2-IRF4 axis maintains myeloma cell survival. Nat Commun 2016; 7:10258. [PMID: 26728187 PMCID: PMC4728406 DOI: 10.1038/ncomms10258] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 11/23/2015] [Indexed: 12/14/2022] Open
Abstract
KDM3A is implicated in tumorigenesis; however, its biological role in multiple myeloma (MM) has not been elucidated. Here we identify KDM3A–KLF2–IRF4 axis dependence in MM. Knockdown of KDM3A is toxic to MM cells in vitro and in vivo. KDM3A maintains expression of KLF2 and IRF4 through H3K9 demethylation, and knockdown of KLF2 triggers apoptosis. Moreover, KLF2 directly activates IRF4 and IRF4 reciprocally upregulates KLF2, forming a positive autoregulatory circuit. The interaction of MM cells with bone marrow milieu mediates survival of MM cells. Importantly, silencing of KDM3A, KLF2 or IRF4 both decreases MM cell adhesion to bone marrow stromal cells and reduces MM cell homing to the bone marrow, in association with decreased ITGB7 expression in MAF-translocated MM cell lines. Our results indicate that the KDM3A–KLF2–IRF4 pathway plays an essential role in MM cell survival and homing to the bone marrow, and therefore represents a therapeutic target. Several histone modifiers have been implicated in the survival of multiple myeloma cells. Here, the authors reveal a role for the histone demethylase KDM3A in the survival of this haematologic cancer, and show that mechanistically KDM3A removes H3K9 methylation from the promoters of KLF2 and IRF4, genes essential for myeloma cell survival.
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Affiliation(s)
- Hiroto Ohguchi
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Teru Hideshima
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Manoj K Bhasin
- BIDMC Genomics, Proteomics, Bioinformatics and Systems Biology Center, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA
| | - Gullu T Gorgun
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Loredana Santo
- MGH Cancer Center, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
| | - Michele Cea
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Mehmet K Samur
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Naoya Mimura
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Rikio Suzuki
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Yu-Tzu Tai
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Ruben D Carrasco
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Noopur Raje
- MGH Cancer Center, Massachusetts General Hospital, Boston, Massachusetts 02114, USA
| | - Paul G Richardson
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Nikhil C Munshi
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA.,West Roxbury Division, VA Boston Healthcare System, West Roxbury, MA 02132, USA
| | - Hideo Harigae
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, Sendai, Miyagi 980-8574, Japan
| | - Takaomi Sanda
- Cancer Science Institute of Singapore, Department of Medicine, National University of Singapore, Singapore 117599, Singapore
| | - Juro Sakai
- Division of Metabolic Medicine, Research Center for Advanced Science and Technology, University of Tokyo, Tokyo 153-8904, Japan
| | - Kenneth C Anderson
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
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41
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Cortopassi WA, Kumar K, Paton RS. Cation–π interactions in CREBBP bromodomain inhibition: an electrostatic model for small-molecule binding affinity and selectivity. Org Biomol Chem 2016; 14:10926-10938. [DOI: 10.1039/c6ob02234k] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A new model is presented to explain and predict binding affinity of aromatic and heteroaromatic ligands for the CREBBP bromodomain based on cation–π interaction strength.
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Affiliation(s)
| | - Kiran Kumar
- Chemistry Research Laboratory
- University of Oxford
- Oxford OX1 3TA
- UK
| | - Robert S. Paton
- Chemistry Research Laboratory
- University of Oxford
- Oxford OX1 3TA
- UK
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42
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Cortopassi WA, Simion R, Honsby CE, França TCC, Paton RS. Dioxygen Binding in the Active Site of Histone Demethylase JMJD2A and the Role of the Protein Environment. Chemistry 2015; 21:18983-92. [PMID: 26577067 DOI: 10.1002/chem.201502983] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Indexed: 12/17/2022]
Abstract
JMJD2A catalyses the demethylation of di- and trimethylated lysine residues in histone tails and is a target for the development of new anticancer medicines. Mechanistic details of demethylation are yet to be elucidated and are important for the understanding of epigenetic processes. We have evaluated the initial step of histone demethylation by JMJD2A and demonstrate the dramatic effect of the protein environment upon oxygen binding using quantum mechanics/molecular mechanics (QM/MM) calculations. The changes in electronic structure have been studied for possible spin states and different conformations of O2 , using a combination of quantum and classical simulations. O2 binding to this histone demethylase is computed to occur preferentially as an end-on superoxo radical bound to a high-spin ferric centre, yielding an overall quintet ground state. The favourability of binding is strongly influenced by the surrounding protein: we have quantified this effect using an energy decomposition scheme into electrostatic and dispersion contributions. His182 and the methylated lysine assist while Glu184 and the oxoglutarate cofactor are deleterious for O2 binding. Charge separation in the superoxo-intermediate benefits from the electrostatic stabilization provided by the surrounding residues, stabilizing the binding process significantly. This work demonstrates the importance of the extended protein environment in oxygen binding, and the role of energy decomposition in understanding the physical origin of binding/recognition.
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Affiliation(s)
- Wilian A Cortopassi
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA (UK) paton.chem.ox.ac.uk.,Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ (UK)
| | - Robert Simion
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA (UK) paton.chem.ox.ac.uk.,Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ (UK)
| | - Charles E Honsby
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA (UK) paton.chem.ox.ac.uk.,Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ (UK)
| | - Tanos C C França
- Department of Chemical Engineering, Military Institute of Engineering, 80 Praça General Tibúrcio, Urca, 22290 270, Rio de Janeiro (Brazil).,Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove (Czech Republic)
| | - Robert S Paton
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA (UK) paton.chem.ox.ac.uk. .,Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ (UK).
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43
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Hancock RL, Dunne K, Walport LJ, Flashman E, Kawamura A. Epigenetic regulation by histone demethylases in hypoxia. Epigenomics 2015; 7:791-811. [PMID: 25832587 DOI: 10.2217/epi.15.24] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The response to hypoxia is primarily mediated by the hypoxia-inducible transcription factor (HIF). Levels of HIF are regulated by the oxygen-sensing HIF hydroxylases, members of the 2-oxoglutarate (2OG) dependent oxygenase family. JmjC-domain containing histone lysine demethylases (JmjC-KDMs), also members of the 2OG oxygenase family, are key epigenetic regulators that modulate the methylation levels of histone tails. Kinetic studies of the JmjC-KDMs indicate they could also act in an oxygen-sensitive manner. This may have important implications for epigenetic regulation in hypoxia. In this review we examine evidence that the levels and activity of JmjC-KDMs are sensitive to oxygen availability, and consider how this may influence their roles in early development and hypoxic disease states including cancer and cardiovascular disease.
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Affiliation(s)
- Rebecca L Hancock
- Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK
- Radcliffe Department of Medicine, Division of Cardiovascular Medicine, BHF Centre of Research Excellence, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Kate Dunne
- Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK
- Radcliffe Department of Medicine, Division of Cardiovascular Medicine, BHF Centre of Research Excellence, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN, UK
| | - Louise J Walport
- Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Emily Flashman
- Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Akane Kawamura
- Chemistry Research Laboratory, 12 Mansfield Road, Oxford, OX1 3TA, UK
- Radcliffe Department of Medicine, Division of Cardiovascular Medicine, BHF Centre of Research Excellence, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN, UK
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44
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Sainathan S, Paul S, Ramalingam S, Baranda J, Anant S, Dhar A. Histone Demethylases in Cancer. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s40495-015-0025-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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45
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Tee AE, Ling D, Nelson C, Atmadibrata B, Dinger ME, Xu N, Mizukami T, Liu PY, Liu B, Cheung B, Pasquier E, Haber M, Norris MD, Suzuki T, Marshall GM, Liu T. The histone demethylase JMJD1A induces cell migration and invasion by up-regulating the expression of the long noncoding RNA MALAT1. Oncotarget 2015; 5:1793-804. [PMID: 24742640 PMCID: PMC4039110 DOI: 10.18632/oncotarget.1785] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Patients with neuroblastoma due to N-Myc oncogene amplification have a high frequency of tumor metastasis. However, it is not clear how N-Myc induces cell migration, invasion and metastasis. The histone demethylase JMJD1A activates gene transcription by demethylating the lysine 9 residue of histone H3 (H3K9) at target gene promoters. The long noncoding RNA MALAT1 induces lung cancer cell migration and plays a pivotal role in lung cancer metastasis. Here we demonstrated that N-Myc up-regulated the expression of JMJD1A in N-Myc oncogene-amplified human neuroblastoma cells by directly binding to the JMJD1A gene promoter. Affymetrix microarray studies revealed that the gene second most significantly up-regulated by JMJD1A was MALAT1. Consistent with this finding, RT-PCR and chromatin immunoprecipitation assays showed that JMJD1A bound to the MALAT1 gene promoter and demethylated histone H3K9 at the MALAT1 gene promoter. Moreover, JMJD1A and MALAT1 induced, while the small molecule JMJD1A inhibitor DMOG suppressed, neuroblastoma cell migration and invasion. Taken together, our data identify a novel pathway through which N-Myc causes neuroblastoma cell migration and invasion, and provide important evidence for further development of more potent JMJD1A/MALAT1 inhibitors for the prevention of tumor metastasis.
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Affiliation(s)
- Andrew E Tee
- Children's Cancer Institute Australia for Medical Research, Randwick, Sydney, Australia
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46
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Dimitrov L, Hong CS, Yang C, Zhuang Z, Heiss JD. New developments in the pathogenesis and therapeutic targeting of the IDH1 mutation in glioma. Int J Med Sci 2015; 12:201-13. [PMID: 25678837 PMCID: PMC4323358 DOI: 10.7150/ijms.11047] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 12/30/2014] [Indexed: 01/02/2023] Open
Abstract
In the last five years, IDH1 mutations in human malignancies have significantly shaped the diagnosis and management of cancer patients. Ongoing intense research efforts continue to alter our understanding of the role of the IDH1 mutation in tumor formation. Currently, evidence suggests the IDH1 mutation to be an early event in tumorigenesis with multiple downstream oncogenic consequences including maintenance of a hypermethylator phenotype, alterations in HIF signalling, and disruption of collagen maturation contributing to a cancer-promoting extracellular matrix. The most recent reports elucidating these mechanisms is described in this review with an emphasis on the pathogenesis of the IDH1 mutation in glioma. Conflicting findings from various studies are discussed, in order to highlight areas warranting further research. Finally, the latest progress in developing novel therapies against the IDH1 mutation is presented, including recent findings from ongoing phase 1 clinical trials and the exciting prospect of vaccine immunotherapy targeting the IDH1 mutant protein.
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Affiliation(s)
- Lilia Dimitrov
- 1. Barts and the London School of Medicine and Dentistry, Greater London, E1 2AD, United Kingdom ; 2. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Christopher S Hong
- 2. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Chunzhang Yang
- 2. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Zhengping Zhuang
- 2. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - John D Heiss
- 2. Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
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47
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Abstract
Cell growth and proliferation are controlled through different posttranslational modifications including demethylation, a process regulated by regulated by the demethylase enzymes. This review focuses on our current understanding of functional and therapeutic potentials of histone demethylases in colon cancer. Colon cancer is the third most common malignancy worldwide and the second leading cause of cancer deaths in the United States. The key protein families responsible for demethylation of histones, histone demethylases, have emerged as new therapeutic targets in different cancer types including colon cancer. These families are of great interest as potential novel biomarkers for diagnosis and targets for therapy and prevention of colon cancer. In this manuscript, we will discuss our current understanding of the histone demethylase family, and the role they play as epigenetic activators or repressors of different genes in colon cancer.
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48
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Shi ZH, Shi FF, Wang YQ, Sheftel AD, Nie G, Zhao YS, You LH, Gou YJ, Duan XL, Zhao BL, Xu HM, Li CY, Chang YZ. Mitochondrial ferritin, a new target for inhibiting neuronal tumor cell proliferation. Cell Mol Life Sci 2014; 72:983-97. [PMID: 25213357 PMCID: PMC4323545 DOI: 10.1007/s00018-014-1730-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 09/03/2014] [Accepted: 09/05/2014] [Indexed: 02/07/2023]
Abstract
Mitochondrial ferritin (FtMt) has a significant effect on the regulation of cytosolic and mitochondrial iron levels. However, because of the deficiency of iron regulatory elements (IRE) in FtMt’s gene sequence, the exact function of FtMt remains unclear. In the present study, we found that FtMt dramatically inhibited SH-SY5Y cell proliferation and tumor growth in nude mice. Interestingly, excess FtMt did not adversely affect the development of drosophila. Additionally, we found that the expression of FtMt in human normal brain tissue was significantly higher than that of neuroblastoma, but not higher than that of neurospongioma. However, the expression of transferrin receptor 1 is completely opposite. We therefore hypothesized that increased expression of FtMt may negatively affect the vitality of neuronal tumor cells. Therefore, we further investigated the underlying mechanisms of FtMt’s inhibitory effects on neuronal tumor cell proliferation. As expected, FtMt overexpression disturbed the iron homeostasis of tumor cells and significantly downregulated the expression of proliferating cell nuclear antigen. Moreover, FtMt affected cell cycle, causing G1/S arrest by modifying the expression of cyclinD1, cyclinE, Cdk2, Cdk4 and p21. Remarkably, FtMt strongly upregulated the expression of the tumor suppressors, p53 and N-myc downstream-regulated gene-1 (NDRG1), but dramatically decreased C-myc, N-myc and p-Rb levels. This study demonstrates for the first time a new role and mechanism for FtMt in the regulation of cell cycle. We thus propose FtMt as a new candidate target for inhibiting neuronal tumor cell proliferation. Appropriate regulation of FtMt expression may prevent tumor cell growth. Our study may provide a new strategy for neuronal cancer therapy.
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Affiliation(s)
- Zhen-Hua Shi
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Science, Hebei Normal University, Shijiazhuang, 050024, Hebei, China,
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49
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The hypoxia-inducible epigenetic regulators Jmjd1a and G9a provide a mechanistic link between angiogenesis and tumor growth. Mol Cell Biol 2014; 34:3702-20. [PMID: 25071150 DOI: 10.1128/mcb.00099-14] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Hypoxia promotes stem cell maintenance and tumor progression, but it remains unclear how it regulates long-term adaptation toward these processes. We reveal a striking downregulation of the hypoxia-inducible histone H3 lysine 9 (H3K9) demethylase JMJD1A as a hallmark of clinical human germ cell-derived tumors, such as seminomas, yolk sac tumors, and embryonal carcinomas. Jmjd1a was not essential for stem cell self-renewal but played a crucial role as a tumor suppressor in opposition to the hypoxia-regulated oncogenic H3K9 methyltransferase G9a. Importantly, loss of Jmjd1a resulted in increased tumor growth, whereas loss of G9a produced smaller tumors. Pharmacological inhibition of G9a also resulted in attenuation of tumor growth, offering a novel therapeutic strategy for germ cell-derived tumors. Finally, Jmjd1a and G9a drive mutually opposing expression of the antiangiogenic factor genes Robo4, Igfbp4, Notch4, and Tfpi accompanied by changes in H3K9 methylation status. Thus, we demonstrate a novel mechanistic link whereby hypoxia-regulated epigenetic changes are instrumental for the control of tumor growth through coordinated dysregulation of antiangiogenic gene expression.
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50
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Wada H, Yamamoto H, Kim C, Uemura M, Akita H, Tomimaru Y, Hama N, Kawamoto K, Kobayashi S, Eguchi H, Umeshita K, Doki Y, Mori M, Nagano H. Association between ephrin-A1 mRNA expression and poor prognosis after hepatectomy to treat hepatocellular carcinoma. Int J Oncol 2014; 45:1051-8. [PMID: 24969670 DOI: 10.3892/ijo.2014.2519] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 04/17/2014] [Indexed: 11/06/2022] Open
Abstract
Hypoxia regulates the expression of genes that promote tumor growth, angiogenesis and invasion. We previously studied hypoxic tumor cells in vitro and from hepatic metastases of colorectal cancer and determined several potential prognostic factors for hepatocellular carcinoma (HCC). In this study, we evaluated the prognostic impact of the expression of ephrin-A1 (EFNA1) and its receptor, EPHA2, in patients with HCC after curative resection. Samples from a total of 139 HCC patients were analyzed by either microarray alone (n=86) or by microarray and quantitative PCR (n=53). There was no correlation between EFNA1 expression and clinicopathological factors. EPHA2 expression was not significantly correlated with any clinicopathological factors, except for microscopic portal invasion. EFNA1 was an independent prognostic factor for HCC (p=0.0277). These findings suggest that EFNA1 expression may be a useful marker for predicting high risk of recurrence in patients who have undergone curative resection for HCC.
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Affiliation(s)
- Hiroshi Wada
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hirofumi Yamamoto
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Chiwan Kim
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Mamoru Uemura
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hirofumi Akita
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yoshito Tomimaru
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Naoki Hama
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Koichi Kawamoto
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Shogo Kobayashi
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hidetoshi Eguchi
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Koji Umeshita
- Division of Health Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuichiro Doki
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masaki Mori
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hiroaki Nagano
- Department of Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
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