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Tong D, Tang Y, Zhong P. The emerging roles of histone demethylases in cancers. Cancer Metastasis Rev 2024; 43:795-821. [PMID: 38227150 DOI: 10.1007/s10555-023-10160-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 12/05/2023] [Indexed: 01/17/2024]
Abstract
Modulation of histone methylation status is regarded as an important mechanism of epigenetic regulation and has substantial clinical potential for the therapy of diseases, including cancer and other disorders. The present study aimed to provide a comprehensive introduction to the enzymology of histone demethylases, as well as their cancerous roles, molecular mechanisms, therapeutic possibilities, and challenges for targeting them, in order to advance drug design for clinical therapy and highlight new insight into the mechanisms of these enzymes in cancer. A series of clinical trials have been performed to explore potential roles of histone demethylases in several cancer types. Numerous targeted inhibitors associated with immunotherapy, chemotherapy, radiotherapy, and targeted therapy have been used to exert anticancer functions. Future studies should evaluate the dynamic transformation of histone demethylases leading to carcinogenesis and explore individual therapy.
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Affiliation(s)
- Dali Tong
- Department of Urological Surgery, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, 400042, People's Republic of China.
| | - Ying Tang
- Chongqing Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing, China.
| | - Peng Zhong
- Department of Pathology, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, 400042, People's Republic of China.
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2
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Kim TD, Gu R, Janknecht R. Methylation of the JMJD2B epigenetic regulator differentially affects its ability to coactivate the ETV1 and JUN transcription factors. INTERNATIONAL JOURNAL OF BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 14:101-115. [PMID: 38213775 PMCID: PMC10776875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 11/28/2023] [Indexed: 01/13/2024]
Abstract
OBJECTIVES Jumonji C domain-containing (JMJD) 2B (JMJD2B) is a transcriptional cofactor and histone demethylase that is involved in prostate cancer formation. However, how its function is regulated by posttranslational modification has remained elusive. Hence, we examined if JMJD2B would be regulated by lysine methylation. METHODS Through in vitro methylation assays and Western blotting with methyl-lysine specific antibodies, we analyzed lysine methylation within JMJD2B. Identified methylated lysine residues were mutated to arginine residues and the respective impact on JMJD2B transcriptional activity measured with a reporter gene assay in human LNCaP prostate cancer cells. RESULTS We discovered that JMJD2B is methylated on up to six different lysine residues. Further, we identified the suppressor of variegation 3-9/enhancer of zeste/trithorax (SET) domain-containing protein 7/9 (SET7/9) as the methyltransferase being responsible for this posttranslational modification. Mutating the methylation sites in JMJD2B to arginine residues led to diminished coactivation of the Ju-nana (JUN) transcription factor, which is a known oncogenic protein in prostate tumors. In contrast, methylation of JMJD2B had no impact on its ability to coactivate another transcription factor associated with prostate cancer, the DNA-binding protein E26 transformation-specific (ETS) variant 1 (ETV1). Consistent with a potential joint action of JMJD2B, SET7/9 and JUN in prostate cancer, the expression of JMJD2B in human prostate tumors was positively correlated with both SET7/9 and JUN levels. CONCLUSIONS The identified SET7/9-mediated methylation of JMJD2B appears to impact its cooperation with selected interacting transcription factors in prostate cancer cells. Given the implicated roles of JMJD2B beyond prostate tumorigenesis, SET7/9-mediated methylation of JMJD2B possibly also influences the development of other cancers, while its impairment might have relevance for obesity or a global developmental delay that can be elicited by reduced JMJD2B activity.
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Affiliation(s)
- Tae-Dong Kim
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma, OK, USA
| | - Ruicai Gu
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma, OK, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma, OK, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences CenterOklahoma, OK, USA
- Department of Pathology, University of Oklahoma Health Sciences CenterOklahoma, OK, USA
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3
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Gu R, Kim TD, Jiang H, Shin S, Oh S, Janknecht R. Methylation of the epigenetic JMJD2D protein by SET7/9 promotes prostate tumorigenesis. Front Oncol 2023; 13:1295613. [PMID: 38045004 PMCID: PMC10690936 DOI: 10.3389/fonc.2023.1295613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 11/06/2023] [Indexed: 12/05/2023] Open
Abstract
How the function of the JMJD2D epigenetic regulator is regulated or whether it plays a role in prostate cancer has remained elusive. We found that JMJD2D was overexpressed in prostate tumors, stimulated prostate cancer cell growth and became methylated by SET7/9 on K427. Mutation of this lysine residue in JMJD2D reduced the ability of DU145 prostate cancer cells to grow, invade and form tumors and elicited extensive transcriptomic changes. This included downregulation of CBLC, a ubiquitin ligase gene with hitherto unknown functions in prostate cancer, and upregulation of PLAGL1, a transcription factor with reported tumor suppressive characteristics in the prostate. Bioinformatic analyses indicated that CBLC expression was elevated in prostate tumors. Further, downregulation of CBLC largely phenocopied the effects of the K427 mutation on DU145 cells. In sum, these data have unveiled a novel mode of regulation of JMJD2D through lysine methylation, illustrated how this can affect oncogenic properties by influencing expression of the CBLC gene, and established a pro-tumorigenic role for CBLC in the prostate. A corollary is that JMJD2D and CBLC inhibitors could have therapeutic benefits in the treatment of prostate and possibly other cancers.
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Affiliation(s)
- Ruicai Gu
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
| | - Tae-Dong Kim
- Department of Cell Biology, 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
| | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Stephenson Cancer 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 Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Stephenson Cancer Center, Oklahoma City, OK, United States
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4
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Gu R, Kim TD, Song H, Sui Y, Shin S, Oh S, Janknecht R. SET7/9-mediated methylation affects oncogenic functions of histone demethylase JMJD2A. JCI Insight 2023; 8:e164990. [PMID: 37870957 PMCID: PMC10619491 DOI: 10.1172/jci.insight.164990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 09/05/2023] [Indexed: 10/25/2023] Open
Abstract
The histone demethylase JMJD2A/KDM4A facilitates prostate cancer development, yet how JMJD2A function is regulated has remained elusive. Here, we demonstrate that SET7/9-mediated methylation on 6 lysine residues modulated JMJD2A. Joint mutation of these lysine residues suppressed JMJD2A's ability to stimulate the MMP1 matrix metallopeptidase promoter upon recruitment by the ETV1 transcription factor. Mutation of just 3 methylation sites (K505, K506, and K507) to arginine residues (3xR mutation) was sufficient to maximally reduce JMJD2A transcriptional activity and also decreased its binding to ETV1. Introduction of the 3xR mutation into DU145 prostate cancer cells reduced in vitro growth and invasion and also severely compromised tumorigenesis. Consistently, the 3xR genotype caused transcriptome changes related to cell proliferation and invasion pathways, including downregulation of MMP1 and the NPM3 nucleophosmin/nucleoplasmin gene. NPM3 downregulation phenocopied and its overexpression rescued, to a large degree, the 3xR mutation in DU145 cells, suggesting that NPM3 was a seminal downstream effector of methylated JMJD2A. Moreover, we found that NPM3 was overexpressed in prostate cancer and might be indicative of disease aggressiveness. SET7/9-mediated lysine methylation of JMJD2A may aggravate prostate tumorigenesis in a manner dependent on NPM3, implying that the SET7/9→JMJD2A→NPM3 axis could be targeted for therapy.
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Affiliation(s)
| | | | | | | | - Sook Shin
- Department of Cell Biology
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Sangphil Oh
- Department of Cell Biology
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Ralf Janknecht
- Department of Cell Biology
- Department of Pathology, and
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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5
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Liang H, Li Q, Wang N, Wang C, Shi S, Yang H, Cao Y, Shi R, Jin L, Zhang C. KDM4D enhances osteo/dentinogenic differentiation and migration of SCAPs via binding to RPS5. Oral Dis 2023; 29:2827-2836. [PMID: 36579641 DOI: 10.1111/odi.14479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 10/21/2022] [Accepted: 12/19/2022] [Indexed: 12/30/2022]
Abstract
OBJECTIVES Stem cells of the apical papilla (SCAPs) provide promising candidates for dental pulp regeneration. Despite great advances in the transcriptional controls of the SCAPs fate, little is known about the regulation of SCAP differentiation. MATERIALS AND METHODS Short hairpin RNAs and full-length RNA were used to deplete or overexpress lysine demethylase 4D (KDM4D) gene expression. Western blotting, real-time RT-PCR, alizarin red staining, and scratch migration assays were used to study the role of KDM4D and the ribosomal protein encoded by RPS5 in SCAPs. RNA microarray, chromatin Immunoprecipitation (ChIP), and co-immunoprecipitation (Co-IP) assays were performed to explore the underlying molecular mechanisms. RESULTS KDM4D enhanced the osteo/dentinogenic differentiation, migration, and chemotaxis of SCAPs. The microarray results revealed that 88 mRNAs were differentially expressed in KDM4D-overexpressed SCAPs. ChIP results showed knock-down of KDM4D increased the level of H3K9me2 and H3K9me3 in CNR1 promoter region. There were 37 possible binding partners of KDM4D. KDM4D was found to combine with RPS5, which also promoted the osteo/dentinogenic differentiation, migration, and chemotaxis of SCAPs. CONCLUSIONS KDM4D promoted the osteo/dentinogenic differentiation and migration potential of SCAPs in combination with RPS5, which provides a therapeutic clue for improving SCAPs-based dental tissue regeneration.
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Affiliation(s)
- Hanbing Liang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Qian Li
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Ning Wang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Chunxiong Wang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Shaojing Shi
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Haoqing Yang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Yangyang Cao
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Ruitang Shi
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
| | - Luyuan Jin
- Department of General Dentistry and Integrated Emergency Dental Care, Capital Medical University School of Stomatology, Beijing, China
| | - Chen Zhang
- Department of Endodontics, Capital Medical University School of Stomatology, Beijing, China
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6
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Li X, Wang P, Pan Q, Liu G, Liu W, Omotoso O, Du J, Li Z, Yu Y, Huang Y, Zhu P, Li M, Zhou X. Chromosome-level Asian elephant genome assembly and comparative genomics of long-lived mammals reveal the common substitutions for cancer resistance. Aging Cell 2023; 22:e13917. [PMID: 37395176 PMCID: PMC10497851 DOI: 10.1111/acel.13917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 07/04/2023] Open
Abstract
The naked mole rat (Heterocephalus glaber), bats (e.g., genus Myotis), and elephants (family Elephantidae) are known as long-lived mammals and are assumed to be excellent cancer antagonists. However, whether there are common genetic changes underpinning cancer resistance in these long-lived species is yet to be fully established. Here, we newly generated a high-quality chromosome-level Asian elephant (Elephas maximus) genome and identified that the expanded gene families in elephants are involved in Ras-associated and base excision repair pathways. Moreover, we performed comparative genomic analyses of 12 mammals and examined genes with signatures of positive selection in elephants, naked mole rat, and greater horseshoe bat. Residues at positively selected sites of CDR2L and ALDH6A1 in these long-lived mammals enhanced the inhibition of tumor cell migration compared to those in short-lived relatives. Overall, our study provides a new genome resource and a preliminary survey of common genetic changes in long-lived mammals.
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Affiliation(s)
- Xuanjing Li
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Pengcheng Wang
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Qi Pan
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Gaoming Liu
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
| | - Weiqiang Liu
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Olatunde Omotoso
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Juan Du
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Zihao Li
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Yang Yu
- Division of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiChina
| | - Yun Huang
- Division of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiChina
| | - Pingfen Zhu
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
| | - Meng Li
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
| | - Xuming Zhou
- CAS Key Laboratory of Animal Ecology and Conservation BiologyInstitute of ZoologyBeijingChina
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7
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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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8
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Histone Demethylase JMJD2D: A Novel Player in Colorectal and Hepatocellular Cancers. Cancers (Basel) 2022; 14:cancers14122841. [PMID: 35740507 PMCID: PMC9221006 DOI: 10.3390/cancers14122841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Histone demethylase JMJD2D is a multifunctional epigenetic factor coordinating androgen receptor activation, DNA damage repair, DNA replication, cell cycle regulation, and inflammation modulation. JMJD2D is also a well-established epigenetic facilitator in the progression of multiple malignant tumors, especially in colorectal cancer (CRC) and hepatocellular cancer (HCC). This review aims to summarize the mechanisms of JMJD2D in promoting CRC and HCC progression, which provides novel ideas for targeting JMJD2D in oncotherapy. JMJD2D promotes gene transcription by reducing H3K9 methylation and serves as a coactivator to enhance the activities of multiple carcinogenic pathways, including Wnt/β-catenin, Hedgehog, HIF1, JAK-STAT3, and Notch signaling; or acts as an antagonist of the tumor suppressor p53. Abstract Posttranslational modifications (PTMs) of histones are well-established contributors in a variety of biological functions, especially tumorigenesis. Histone demethylase JMJD2D (also known as KDM4D), a member of the JMJD2 subfamily, promotes gene transcription by antagonizing H3K9 methylation. JMJD2D is an epigenetic factor coordinating androgen receptor activation, DNA damage repair, DNA replication, and cell cycle regulation. Recently, the oncogenic role of JMJD2D in colorectal cancer (CRC) and hepatocellular cancer (HCC) has been recognized. JMJD2D serves as a coactivator of β-catenin, Gli1/2, HIF1α, STAT3, IRF1, TCF4, and NICD or an antagonist of p53 to promote the progression of CRC and HCC. In this review, we summarize the molecular mechanisms of JMJD2D in promoting the progression of CRC and HCC as well as the constructive role of its targeting inhibitors in suppressing tumorigenesis and synergistically enhancing the efficacy of anti-PD-1/PD-L1 immunotherapy.
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9
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Yang J, Hu Y, Zhang B, Liang X, Li X. The JMJD Family Histone Demethylases in Crosstalk Between Inflammation and Cancer. Front Immunol 2022; 13:881396. [PMID: 35558079 PMCID: PMC9090529 DOI: 10.3389/fimmu.2022.881396] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/23/2022] [Indexed: 02/05/2023] Open
Abstract
Inflammation has emerged as a key player in regulating cancer initiation, progression, and therapeutics, acting as a double edged sword either facilitating cancer progression and therapeutic resistance or inducing anti-tumor immune responses. Accumulating evidence has linked the epigenetic modifications of histones to inflammation and cancer, and histone modifications-based strategies have shown promising therapeutic potentials against cancer. The jumonji C domain-containing (JMJD) family histone demethylases have exhibited multiple regulator functions in inflammatory processes and cancer development, and a number of therapeutic strategies targeting JMJD histone demethylases to modulate inflammatory cells and their products have been successfully evaluated in clinical or preclinical tumor models. This review summarizes current understanding of the functional roles and mechanisms of JMJD histone demethylases in crosstalk between inflammation and cancer, and highlights recent clinical and preclinical progress on harnessing the JMJD histone demethylases to regulate cancer-related inflammation for future cancer therapeutics.
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Affiliation(s)
- Jia Yang
- Department of Gynecology and Obstetrics and Pediatric Nephrology Nursing, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, China
| | - Yuan Hu
- Department of Gynecology and Obstetrics and Pediatric Nephrology Nursing, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, China
| | - Binjing Zhang
- State Key Laboratory of Oral Disease, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiao Liang
- Department of Gynecology and Obstetrics and Pediatric Nephrology Nursing, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, China
| | - Xin Li
- State Key Laboratory of Oral Disease, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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10
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Varghese B, Del Gaudio N, Cobellis G, Altucci L, Nebbioso A. KDM4 Involvement in Breast Cancer and Possible Therapeutic Approaches. Front Oncol 2021; 11:750315. [PMID: 34778065 PMCID: PMC8581295 DOI: 10.3389/fonc.2021.750315] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/13/2021] [Indexed: 12/24/2022] Open
Abstract
Breast cancer (BC) is the second leading cause of cancer death in women, although recent scientific and technological achievements have led to significant improvements in progression-free disease and overall survival of patients. Genetic mutations and epigenetic modifications play a critical role in deregulating gene expression, leading to uncontrolled cell proliferation and cancer progression. Aberrant histone modifications are one of the most frequent epigenetic mechanisms occurring in cancer. In particular, methylation and demethylation of specific lysine residues alter gene accessibility via histone lysine methyltransferases (KMTs) and histone lysine demethylases (KDMs). The KDM family includes more than 30 members, grouped into six subfamilies and two classes based on their sequency homology and catalytic mechanisms, respectively. Specifically, the KDM4 gene family comprises six members, KDM4A-F, which are associated with oncogene activation, tumor suppressor silencing, alteration of hormone receptor downstream signaling, and chromosomal instability. Blocking the activity of KDM4 enzymes renders them "druggable" targets with therapeutic effects. Several KDM4 inhibitors have already been identified as anticancer drugs in vitro in BC cells. However, no KDM4 inhibitors have as yet entered clinical trials due to a number of issues, including structural similarities between KDM4 members and conservation of the active domain, which makes the discovery of selective inhibitors challenging. Here, we summarize our current knowledge of the molecular functions of KDM4 members in BC, describe currently available KDM4 inhibitors, and discuss their potential use in BC therapy.
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Affiliation(s)
- Benluvankar Varghese
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Napoli, Italy
| | - Nunzio Del Gaudio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Napoli, Italy
| | - Gilda Cobellis
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Napoli, Italy
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Napoli, Italy.,Biogem Institute of Molecular Biology and Genetics, Ariano Irpino, Italy
| | - Angela Nebbioso
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Napoli, Italy.,Saint Camillus International University of Health and Medical Sciences, Rome, Italy
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11
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Boonmee A, Benjaskulluecha S, Kueanjinda P, Wongprom B, Pattarakankul T, Palaga T. The chemotherapeutic drug carboplatin affects macrophage responses to LPS and LPS tolerance via epigenetic modifications. Sci Rep 2021; 11:21574. [PMID: 34732786 PMCID: PMC8566489 DOI: 10.1038/s41598-021-00955-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/18/2021] [Indexed: 12/22/2022] Open
Abstract
Following re-exposure to lipopolysaccharide (LPS), macrophages exhibit an immunosuppressive state known as LPS tolerance, which is characterized by repressed proinflammatory cytokine production. LPS-induced tolerance in macrophages is mediated in part by epigenetic changes. Carboplatin, an anticancer chemotherapeutic drug, exerts its effect by inhibiting DNA replication and transcription, as well as through epigenetic modifications. Through an unbiased screen, we found that carboplatin rescued TNF-α and IL-6 production in LPS-tolerant macrophages. Transcriptomic analysis and gene set enrichment analyses revealed that p53 was one of the most significantly upregulated hallmarks in both LPS-primed and LPS-tolerant macrophages in the presence of carboplatin, while E2F and G2/M were the most negatively regulated hallmarks. Heterochromatin protein 1 (HP1-α), which is associated with gene silencing, was significantly reduced in carboplatin-treated LPS-tolerant macrophages at the mRNA and protein levels. Dynamic changes in the mRNA level of genes encoding H3K9me3 methyltransferases, setdb2, kdm4d, and suv39h1 were induced in the presence of carboplatin in LPS-tolerant macrophages. Taken together, we provide evidence that carboplatin treatment interferes with proinflammatory cytokine production during the acute LPS response and LPS tolerance in macrophages, possibly via H3K9me3 modification.
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Affiliation(s)
- Atsadang Boonmee
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Salisa Benjaskulluecha
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
- Inter-Disciplinary Graduate Program in Medical Microbiology, Graduate School, Chulalongkorn University, Bangkok, Thailand
| | - Patipark Kueanjinda
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Benjawan Wongprom
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Thitiporn Pattarakankul
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Tanapat Palaga
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand.
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12
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Liu XY, Guo CH, Xi ZY, Xu XQ, Zhao QY, Li LS, Wang Y. Histone methylation in pancreatic cancer and its clinical implications. World J Gastroenterol 2021; 27:6004-6024. [PMID: 34629816 PMCID: PMC8476335 DOI: 10.3748/wjg.v27.i36.6004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/12/2021] [Accepted: 04/22/2021] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer (PC) is an aggressive human cancer. Appropriate methods for the diagnosis and treatment of PC have not been found at the genetic level, thus making epigenetics a promising research path in studies of PC. Histone methylation is one of the most complicated types of epigenetic modifications and has proved crucial in the development of PC. Histone methylation is a reversible process regulated by readers, writers, and erasers. Some writers and erasers can be recognized as potential biomarkers and candidate therapeutic targets in PC because of their unusual expression in PC cells compared with normal pancreatic cells. Based on the impact that writers have on the development of PC, some inhibitors of writers have been developed. However, few inhibitors of erasers have been developed and put to clinical use. Meanwhile, there is not enough research on the reader domains. Therefore, the study of erasers and readers is still a promising area. This review focuses on the regulatory mechanism of histone methylation, and the diagnosis and chemotherapy of PC based on it. The future of epigenetic modification in PC research is also discussed.
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Affiliation(s)
- Xing-Yu Liu
- The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China
| | - Chuan-Hao Guo
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Zhi-Yuan Xi
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Xin-Qi Xu
- The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China
| | - Qing-Yang Zhao
- The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China
| | - Li-Sha Li
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, Jilin Province, China
| | - Ying Wang
- The First Hospital of Jilin University, Jilin University, Changchun 130021, Jilin Province, China
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13
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Oh S, Shin S, Janknecht R. Sumoylation of transcription factor ETV1 modulates its oncogenic potential in prostate cancer. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2021; 14:795-810. [PMID: 34367411 PMCID: PMC8339722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
The transcription factor ETS variant 1 (ETV1) is capable of promoting prostate tumorigenesis. We demonstrate that ETV1 can be posttranslationally modified by covalent attachment of small ubiquitin-like modifier 1 (SUMO1) onto four different lysine residues. In human embryonic kidney 293T cells, mutation of these sumoylation sites stimulated the transactivation potential of ETV1 at the matrix metalloproteinase 1 (MMP1), but not Yes-associated protein 1 gene promoter, while ETV1 protein stability and intracellular localization remained unchanged. In stark contrast, sumoylation-deficient ETV1 was repressed in its ability to stimulate the MMP1 promoter and to cooperate with a histone demethylase, JmjC domain-containing 2A (JMJD2A), in LNCaP prostate cancer cells. Mutation of sumoylation sites enhanced the ability of ETV1 to interact with the histone deacetylase (HDAC) 1, but had basically no impact on complex formation with HDAC3 or JMJD2A. Further, compared to non-sumoylated ETV1, its sumoylated forms were less able to bind to the transcription factor, SMAD family member 4. Lastly, in contrast to wild-type ETV1, sumoylation-deficient ETV1 repressed LNCaP cell growth. Altogether, these data suggest that sumoylation modulates ETV1 function in a cell type-specific manner, possibly by altering the spectrum of transcriptional cofactors being recruited. Notably, SUMO pathway components SUMO1, ubiquitin-like modifier activating enzyme 2 and ubiquitin conjugating enzyme 9 were upregulated in prostate tumors, implying that enhanced sumoylation indeed promotes ETV1's oncogenic activity during prostate cancer formation.
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Affiliation(s)
- Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
| | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
- Department of Pathology, University of Oklahoma Health Sciences CenterOklahoma City, Oklahoma, USA
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14
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Wu W, Cao X, Mo L. Overexpression of KDM4D promotes acute myeloid leukemia cell development by activating MCL-1. Am J Transl Res 2021; 13:2308-2319. [PMID: 34017391 PMCID: PMC8129427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
Acute myeloid leukemia (AML) is regarded as a fatal cancer in the world. The overall survival in adult patients with AML is still poor. As lysine demethylases, the KDM4 family is found highly expressed in many kinds of tumors. In this study, we demonstrate that KDM4D is overexpressed in AML and knockdown of KDM4D not only inhibits the proliferation of AML cells, but also induces cell cycle arrest and apoptosis. Furthermore, our research shows that KDM4D can regulate the expression of MCL-1 by demethylating H3K9me3 at the promoter region in AML cells. Besides, we find that high expression of KDM4D is correlated with poor overall survival in AML patients. Taken together, our study demonstrated that KDM4D can promote MCL-1 expression in AML and may serve as a novel target for the treatment of AML.
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Affiliation(s)
- Wei Wu
- Department of Hepatopancreatobiliary Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and TechnologyGusao Tree Road No. 16 of Jianghan District, Wuhan 430000, Hubei Province, China
| | - Xiaonian Cao
- Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyWuhan 430040, China
| | - Luxia Mo
- Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & TechnologyWuhan, China
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15
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Histone demethylase KDM4C controls tumorigenesis of glioblastoma by epigenetically regulating p53 and c-Myc. Cell Death Dis 2021; 12:89. [PMID: 33462212 PMCID: PMC7814060 DOI: 10.1038/s41419-020-03380-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 12/31/2022]
Abstract
Glioblastoma is the most lethal brain tumor and its pathogenesis remains incompletely understood. KDM4C is a histone H3K9 demethylase that contributes to epigenetic regulation of both oncogene and tumor suppressor genes and is often overexpressed in human tumors, including glioblastoma. However, KDM4C’s roles in glioblastoma and the underlying molecular mechanisms remain unclear. Here, we show that KDM4C knockdown significantly represses proliferation and tumorigenesis of glioblastoma cells in vitro and in vivo that are rescued by overexpressing wild-type KDM4C but not a catalytic dead mutant. KDM4C protein expression is upregulated in glioblastoma, and its expression correlates with c-Myc expression. KDM4C also binds to the c-Myc promoter and induces c-Myc expression. Importantly, KDM4C suppresses the pro-apoptotic functions of p53 by demethylating p53K372me1, which is pivotal for the stability of chromatin-bound p53. Conversely, depletion or inhibition of KDM4C promotes p53 target gene expression and induces apoptosis in glioblastoma. KDM4C may serve as an oncogene through the dual functions of inactivation of p53 and activation of c-Myc in glioblastoma. Our study demonstrates KDM4C inhibition as a promising therapeutic strategy for targeting glioblastoma.
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16
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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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17
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Li M, Deng Y, Zhuo M, Zhou H, Kong X, Xia X, Su Z, Chen Q, Guo P, Mo P, Yu C, Li W. Demethylase-independent function of JMJD2D as a novel antagonist of p53 to promote Liver Cancer initiation and progression. Am J Cancer Res 2020; 10:8863-8879. [PMID: 32754284 PMCID: PMC7392006 DOI: 10.7150/thno.45581] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 06/28/2020] [Indexed: 12/13/2022] Open
Abstract
Background: As a histone demethylase, JMJD2D can enhance gene expression by specifically demethylating H3K9me2/3 and plays an important role in promoting colorectal cancer progression. However, its role in liver cancer remains unclear. Methods: The expression of JMJD2D was examined in human liver cancer specimens and non-tumorous liver tissues by immunohistochemical or immunoblot analysis. JMJD2D expression was knocked down in liver cancer cells using small hairpin RNAs, and cells were analyzed with Western blot, real-time PCR, cell viability, colony formation, and flow cytometry assays. Cells were also grown as tumor xenografts in nude mice, and the tumor cell proliferation and apoptosis were measured by immunohistochemical analysis. The relationship between JMJD2D and p53 was studied by co-immunoprecipitation, chromatin immunoprecipitation, and electric mobility shift assay. Wild-type and JMJD2D-knockout mice were intraperitoneally injected with diethylnitrosamine (DEN) to induce liver tumors and the liver cancer initiation and progression were investigated. Results: JMJD2D was frequently upregulated in human liver cancer specimens compared with non-tumorous liver tissues. The overall survival of liver cancer patients with high JMJD2D expression was significantly decreased compared to that with low JMJD2D expression. JMJD2D knockdown reduced liver cancer cell proliferation and xenograft tumor growth, sensitized cells to chemotherapeutic drug-induced apoptosis, and increased the expression of cell cycle inhibitor p21 and pro-apoptosis gene PUMA. Genetically, JMJD2D deficiency protected mice against DEN-induced liver cancer initiation and progression. Knockout of tumor suppressor p53 significantly reduced the effects of JMJD2D knockdown on cell proliferation, apoptosis, and the expression of p21 and PUMA, suggesting that JMJD2D regulates liver cancer cell functions in part through inhibiting p53 signaling pathway. Mechanistically, JMJD2D directly interacted with p53 and inhibited p53 recruitment to the p21 and PUMA promoters in a demethylation activity-independent manner, implicating a demethylase-independent function of JMJD2D as a novel p53 antagonist. In addition, JMJD2D could activate Wnt/β-catenin signaling to promote liver cancer cell proliferation. Conclusion: Our study demonstrates that JMJD2D can antagonize the tumor suppressor p53 and activate an oncogenic signaling pathway (such as Wnt/β-catenin signaling pathway) simultaneously to promote liver cancer initiation and progression, suggesting that JMJD2D may serve as a novel target for liver cancer treatment.
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18
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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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19
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Lee DH, Kim GW, Jeon YH, Yoo J, Lee SW, Kwon SH. Advances in histone demethylase KDM4 as cancer therapeutic targets. FASEB J 2020; 34:3461-3484. [PMID: 31961018 DOI: 10.1096/fj.201902584r] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/20/2019] [Accepted: 01/08/2020] [Indexed: 12/26/2022]
Abstract
The KDM4 subfamily H3K9 histone demethylases are epigenetic regulators that control chromatin structure and gene expression by demethylating histone H3K9, H3K36, and H1.4K26. The KDM4 subfamily mainly consists of four proteins (KDM4A-D), all harboring the Jumonji C domain (JmjC) but with differential substrate specificities. KDM4A-C proteins also possess the double PHD and Tudor domains, whereas KDM4D lacks these domains. KDM4 proteins are overexpressed or deregulated in multiple cancers, cardiovascular diseases, and mental retardation and are thus potential therapeutic targets. Despite extensive efforts, however, there are very few KDM4-selective inhibitors. Defining the exact physiological and oncogenic functions of KDM4 demethylase will provide the foundation for the discovery of novel potent inhibitors. In this review, we focus on recent studies highlighting the oncogenic functions of KDM4s and the interplay between KDM4-mediated epigenetic and metabolic pathways in cancer. We also review currently available KDM4 inhibitors and discuss their potential as therapeutic agents for cancer treatment.
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Affiliation(s)
- Dong Hoon Lee
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Go Woon Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Yu Hyun Jeon
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Jung Yoo
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - Sang Wu Lee
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea
| | - So Hee Kwon
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Republic of Korea.,Department of Integrated OMICS for Biomedical Science, Yonsei University, Seoul, Republic of Korea
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20
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Oh S, Shin S, Song H, Grande JP, Janknecht R. Relationship between ETS Transcription Factor ETV1 and TGF-β-regulated SMAD Proteins in Prostate Cancer. Sci Rep 2019; 9:8186. [PMID: 31160676 PMCID: PMC6546734 DOI: 10.1038/s41598-019-44685-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 05/22/2019] [Indexed: 01/12/2023] Open
Abstract
The ETS transcription factor ETV1 is frequently overexpressed in aggressive prostate cancer, which is one underlying cause of this disease. Accordingly, transgenic mice that prostate-specifically overexpress ETV1 develop prostatic intraepithelial neoplasia. However, progression to the adenocarcinoma stage is stifled in these mice, suggesting that inhibitory pathways possibly preclude ETV1 from exerting its full oncogenic potential. Here we provide evidence that TGF-β/SMAD signaling represents such an inhibitory pathway. First, we discovered that ETV1 forms complexes with SMAD4. Second, SMAD2, SMAD3 and SMAD4 overexpression impaired ETV1’s ability to stimulate gene transcription. Third, TGF-β1 inhibited ETV1-induced invasion by benign RWPE-1 prostate cells. Fourth, increased expression of SMAD3 and SMAD4 was observable in prostates of ETV1 transgenic mice. Conversely, we found that ETV1 may enhance TGF-β signaling in PC3 prostate cancer cells, revealing a different facet of the ETV1/TGF-β interplay. Altogether, these data provide more insights into the regulation and action of ETV1 and additionally suggest that TGF-β/SMAD signaling exerts its tumor suppressive activity, at least in part, by curtailing the oncogenic potential of ETV1 in prostatic lesions.
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Affiliation(s)
- Sangphil Oh
- University of Oklahoma Health Sciences Center, Department of Cell Biology, Oklahoma City, OK, 73104, USA.,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA
| | - Sook Shin
- University of Oklahoma Health Sciences Center, Department of Cell Biology, Oklahoma City, OK, 73104, USA.,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA
| | - Hoogeun Song
- University of Oklahoma Health Sciences Center, Department of Cell Biology, Oklahoma City, OK, 73104, USA
| | - Joseph P Grande
- Mayo Clinic, Department of Laboratory Medicine and Pathology, Rochester, MN, 55905, USA
| | - Ralf Janknecht
- University of Oklahoma Health Sciences Center, Department of Cell Biology, Oklahoma City, OK, 73104, USA. .,Stephenson Cancer Center, Oklahoma City, OK, 73104, USA. .,University of Oklahoma Health Sciences Center, Department of Pathology, Oklahoma City, OK, 73104, USA.
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21
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Peng K, Kou L, Yu L, Bai C, Li M, Mo P, Li W, Yu C. Histone Demethylase JMJD2D Interacts With β-Catenin to Induce Transcription and Activate Colorectal Cancer Cell Proliferation and Tumor Growth in Mice. Gastroenterology 2019; 156:1112-1126. [PMID: 30472235 DOI: 10.1053/j.gastro.2018.11.036] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 11/14/2018] [Accepted: 11/16/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND & AIMS Wnt signaling contributes to the development of colorectal cancer (CRC). We studied interactions between lysine demethylase 4D (KDM4D or JMJD2D) and β-catenin, a mediator of Wnt signaling, in CRC cell lines and the effects on tumor formation in mice. METHODS We obtained colorectal tumor specimens and surrounding nontumor colon tissues (controls) from patients undergoing surgery in China; levels of JMJD2D were measured by immunohistochemical or immunoblot analysis. JMJD2D expression was knocked down in CRC (CT26, HCT116, and SW480 cells) using small hairpin RNAs, and cells were analyzed with viability, flow cytometry, colony formation, and transwell migration and invasion assays. Cells were also grown as tumor xenografts in nude mice or injected into tail veins or spleens of mice, and metastases were measured. We performed promoter activity, co-immunoprecipitation, and chromatin immunoprecipitation assays. We also performed studies with Apcmin/+ and JMJD2D-knockout mice; these mice were crossed, and colorectal tumor formation in offspring (Apcmin/+Jmjd2d+/+ and Apcmin/+Jmjd2d-/-) was analyzed. JMJD2D-knockout and wild-type (control) mice were given azoxymethane followed by dextran sodium sulfate to induce colitis-associated CRC; some mice were given the JMJD2D inhibitor 5-chloro-8-hydroxyquinoline (5-c-8HQ) or vehicle to examine the effects of 5-c-8HQ on intestinal tumor formation. RESULTS Levels of JMJD2D were significantly higher in human colorectal tumors than in control tissues and correlated with levels of proliferating cell nuclear antigen. JMJD2D knockdown reduced CRC cell proliferation, migration, and invasion, as well as growth of xenograft tumors and formation of metastases in mice. JMJD2D was required for expression of β-catenin in CRC cell lines; ectopic expression of JMJD2D increased the promoter activities of genes regulated by β-catenin (MYC, CCND1, MMP2, and MMP9). We found that JMJD2D and β-catenin interacted physically and that JMJD2D demethylated H3K9me3 at promoters of β-catenin target genes. JMJD2D-knockout mice developed fewer colitis-associated colorectal tumors than control mice, and their tumor tissues had lower levels of β-catenin, MYC, cyclin D1, and proliferating cell nuclear antigen than tumors from control mice. Apcmin/+Jmjd2d-/- mice developed fewer and smaller colon tumors than Apcmin/+ mice. Mice given 5-c-8HQ developed smaller and fewer colitis-associated tumors, with lower levels of cell proliferation, than mice given vehicle. Apcmin/+ mice given 5-c-8HQ also developed fewer tumors in intestines and colons than mice given vehicle. CONCLUSIONS Levels of the histone demethylase JMJD2D are increased in human colorectal tumors compared with nontumor colon tissues. JMJD2D interacts with β-catenin to activate transcription of its target genes and promote CRC cell proliferation, migration, and invasion, as well as formation of colorectal tumors in mice.
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Affiliation(s)
- Kesong Peng
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Lele Kou
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Li Yu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Chaonan Bai
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Ming Li
- Hepatobiliary and Pancreatic & Organ Transplantation Surgery Department, Xiang'an Hospital of Xiamen University, Xiamen, China
| | - Pingli Mo
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Wengang Li
- Hepatobiliary and Pancreatic & Organ Transplantation Surgery Department, Xiang'an Hospital of Xiamen University, Xiamen, China.
| | - Chundong Yu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China.
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22
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Dong F, Jiang S, Li J, Wang Y, Zhu L, Huang Y, Jiang X, Hu X, Zhou Q, Zhang Z, Bao Z. The histone demethylase KDM4D promotes hepatic fibrogenesis by modulating Toll-like receptor 4 signaling pathway. EBioMedicine 2018; 39:472-483. [PMID: 30527625 PMCID: PMC6354657 DOI: 10.1016/j.ebiom.2018.11.055] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/21/2018] [Accepted: 11/27/2018] [Indexed: 12/21/2022] Open
Abstract
Background Accumulating evidence has revealed the pivotal role of epigenetic regulation in the pathogenesis of liver disease. However, the epigenetic mechanism that accounts for hepatic stellate cells (HSCs) activation in liver fibrosis remains largely unknown. Methods Primary HSCs were used to screen the differentially expressed histone H3 lysine methyltransferases and demethylases during HSC activation. Loss-of-function experiments were applied to determine the cellular functions of KDM4D in HSCs. Transcriptome analysis was applied to explore the downstream targets of KDM4D. Real-time qPCR, western blotting, immunohistochemical staining, and chromatin immunoprecipitation were performed to uncover the underlying mechanism concerning KDM4D during liver fibrogenesis. Findings KDM4D was identified as a remarkable up-regulated histone H3 demethylase during HSC activation. The overexpression profile of KDM4D was confirmed in three fibrosis animal models and human fibrotic liver tissues. In vitro Kdm4d knockdown impaired the collagen gel contraction and migration capacity of primary HSCs. In established CCl4-induced mice model, Kdm4d knockdown inhibited fibrosis progression, and promoted fibrosis reversal, with enhanced thinning and splitting of fibrotic septa, as well as a dramatic decrease in collagen area. Whole gene transcriptome analysis showed the regulatory role of KDM4D in Toll-Like Receptor (TLR) signaling pathway. Mechanistically, KDM4D catalyzed histone 3 on lysine 9 (H3K9) di-, and tri-demethylation, which promoted TLR4 expression, and subsequently prompted liver fibrogenesis by activating NF-κB signaling pathways. Interpretation KDM4D facilitates TLR4 transcription through demethylation of H3K9, thus activating TLR4/NF-κB signaling pathways in HSCs, contributing to HSC activation and collagen crosslinking, further, hepatic fibrosis progression. Fund Shanghai New Hundred Talents Program, Shanghai Municipal Commission of Health and Family Planning, Key Developing Disciplines Program, Shanghai Key disciplines program of Health and Family Planning and Shanghai Sailing Program.
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Affiliation(s)
- Fangyuan Dong
- Department of Gastroenterology, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; Research Center on Aging and Medicine, Fudan University, Shanghai 200040, PR China
| | - Shuheng Jiang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Jun Li
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yahui Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Lili Zhu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yiqin Huang
- Department of Gastroenterology, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; Research Center on Aging and Medicine, Fudan University, Shanghai 200040, PR China
| | - Xin Jiang
- Department of Gastroenterology, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; Research Center on Aging and Medicine, Fudan University, Shanghai 200040, PR China
| | - Xiaona Hu
- Department of Gastroenterology, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; Research Center on Aging and Medicine, Fudan University, Shanghai 200040, PR China.
| | - Qi Zhou
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, PR China.
| | - Zhigang Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Zhijun Bao
- Department of Gastroenterology, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; Research Center on Aging and Medicine, Fudan University, Shanghai 200040, PR China.
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23
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Hu D, Jablonowski C, Cheng PH, AlTahan A, Li C, Wang Y, Palmer L, Lan C, Sun B, Abu-Zaid A, Fan Y, Brimble M, Gamboa NT, Kumbhar RC, Yanishevski D, Miller KM, Kang G, Zambetti GP, Chen T, Yan Q, Davidoff AM, Yang J. KDM5A Regulates a Translational Program that Controls p53 Protein Expression. iScience 2018; 9:84-100. [PMID: 30388705 PMCID: PMC6214872 DOI: 10.1016/j.isci.2018.10.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 09/01/2018] [Accepted: 10/10/2018] [Indexed: 12/14/2022] Open
Abstract
The p53 tumor suppressor pathway is frequently inactivated in human cancers. However, there are some cancer types without commonly recognized alterations in p53 signaling. Here we report that histone demethylase KDM5A is involved in the regulation of p53 activity. KDM5A is significantly amplified in multiple types of cancers, an event that tends to be mutually exclusive to p53 mutation. We show that KDM5A acts as a negative regulator of p53 signaling through inhibition of p53 translation via suppression of a subgroup of eukaryotic translation initiation genes. Genetic deletion of KDM5A results in upregulation of p53 in multiple lineages of cancer cells and inhibits tumor growth in a p53-dependent manner. In addition, we have identified a regulatory loop between p53, miR-34, and KDM5A, whereby the induction of miR-34 leads to suppression of KDM5A. Thus, our findings reveal a mechanism by which KDM5A inhibits p53 translation to modulate cancer progression.
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Affiliation(s)
- Dongli Hu
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Carolyn Jablonowski
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Pei-Hsin Cheng
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Alaa AlTahan
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Chunliang Li
- Department of Tumor Cell Biology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Yingdi Wang
- Department of Oncology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Lance Palmer
- Department of Computational Biology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Cuixia Lan
- Department of Clinical Laboratory, Affiliated Qingdao Hiser Hospital of Qingdao University, Qingdao 266033, China
| | - Bingmei Sun
- Department of Clinical Laboratory, Qingdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao 266042, China
| | - Ahmed Abu-Zaid
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Yiping Fan
- Department of Computational Biology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Mark Brimble
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Nicolas T Gamboa
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Ramhari C Kumbhar
- Department of Molecular Biosciences, University of Texas at Austin, 100 E 24th St NHB 2.606 Stop A5000, Austin, TX 78712, USA
| | - David Yanishevski
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Kyle M Miller
- Department of Molecular Biosciences, University of Texas at Austin, 100 E 24th St NHB 2.606 Stop A5000, Austin, TX 78712, USA
| | - Guolian Kang
- Department of Biostatistics, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Gerard P Zambetti
- Department of Pathology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Taosheng Chen
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Qin Yan
- Department of Pathology, Yale School of Medicine, 310 Cedar St, New Haven, CT 06520, USA
| | - Andrew M Davidoff
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA
| | - Jun Yang
- Department of Surgery, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.
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24
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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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25
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Filipp FV. Crosstalk between epigenetics and metabolism-Yin and Yang of histone demethylases and methyltransferases in cancer. Brief Funct Genomics 2018; 16:320-325. [PMID: 28369194 PMCID: PMC5860014 DOI: 10.1093/bfgp/elx001] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Histone methylation is an epigenetic modification of chromatin undergoing dynamic changes and balancing tissue-specific demands of proliferation and differentiation. In cancer, aberrant histone methylation can facilitate oncogenic and tumor suppression programs by modulating gene expression. Histone remodelers such as lysine methyltransferases and lysine demethylases are seemingly opposite or contrary forces but may be part of an interconnected network complementing each other. We identify several layers of molecular communication where epigenetic master regulators engage in crosstalk between tumor metabolism and histone remodeling. Epigenetic master regulators have the ability to cooperate with members of the transcriptional machinery, DNA methyltransferases, as well as other histone modifiers. High-throughput sequencing and omics data in combination with cancer systems biology analysis have the power to prioritize regulatory events epigenome-wide.
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26
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An Y, Quan KT, Gwak J, Ju BG, Na M, Oh S. Activation of the p53 pathway with digiferrol isolated from Rubia philippinensis induces cell cycle arrest, apoptosis, and autophagy in colon cancer cells. Food Chem Toxicol 2018; 118:514-522. [PMID: 29842910 DOI: 10.1016/j.fct.2018.05.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 05/14/2018] [Accepted: 05/23/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Younju An
- Department of Bio and Fermentation Convergence Technology, BK21 PLUS Program, Kookmin University, Seoul, 136-702, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jungsug Gwak
- Department of Life Science, Sogang University, Seoul, 121-742, Republic of Korea
| | - Bong Gun Ju
- Department of Life Science, Sogang University, Seoul, 121-742, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Sangtaek Oh
- Department of Bio and Fermentation Convergence Technology, BK21 PLUS Program, Kookmin University, Seoul, 136-702, Republic of Korea.
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27
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Li X, Moon G, Shin S, Zhang B, Janknecht R. Cooperation between ETS variant 2 and Jumonji domain‑containing 2 histone demethylases. Mol Med Rep 2018; 17:5518-5527. [PMID: 29393482 PMCID: PMC5865994 DOI: 10.3892/mmr.2018.8507] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 01/03/2018] [Indexed: 12/15/2022] Open
Abstract
The E26 transformation-specific (ETS) variant 2 (ETV2) protein, also designated as ETS-related 71, is a member of the ETS transcription factor family and is essential for blood and vascular development in the embryo. The role of ETV2 in cancer has not yet been investigated. In the present study, the expression of ETV2 mRNA was identified in a variety of tumor types, including prostate carcinoma. In addition, ETV2 gene amplification was identified in several types of cancer, suggesting that ETV2 plays an oncogenic role in tumorigenesis. It was demonstrated that ETV2 forms complexes with two histone demethylases: Jumonji domain-containing (JMJD)2A and JMJD2D; JMJD2A has been previously reported as a driver of prostate cancer development. In the present study, it was reported that ETV2 exhibited the potential to stimulate the promoters of matrix metalloproteinases (MMPs), including MMP1 and MMP7, within LNCaP prostate cancer cells. JMJD2A and JMJD2D could synergize with ETV2 to activate the MMP1 promoter, whereas only JMJD2A stimulated the MMP7 promoter in cooperation with ETV2. Furthermore, ETV2 expression was positively associated with JMJD2A and JMJD2D mRNA levels in neuroendocrine prostate tumors, in which an ETV2 gene amplification rate of 17.8% was identified. Collectively, the results of the present study indicated that ETV2, JMJD2A and JMJD2D may jointly promote tumorigenesis, particularly neuroendocrine prostate tumors. In addition, the interaction with the JMJD2A and JMJD2D epigenetic regulators may be important in the ability of ETV2 to reprogram cells, modulate normal and cancer stem cells, and affect spermatogenesis.
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Affiliation(s)
- Xiaomeng Li
- China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Gene Moon
- 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
| | - Bin Zhang
- China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
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28
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Castellini L, Moon EJ, Razorenova OV, Krieg AJ, von Eyben R, Giaccia AJ. KDM4B/JMJD2B is a p53 target gene that modulates the amplitude of p53 response after DNA damage. Nucleic Acids Res 2017; 45:3674-3692. [PMID: 28073943 PMCID: PMC5397198 DOI: 10.1093/nar/gkw1281] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 12/12/2016] [Indexed: 12/14/2022] Open
Abstract
The p53 tumor suppressor protein plays a critical role in orchestrating the genomic response to various stress signals by acting as a master transcriptional regulator. Differential gene activity is controlled by transcription factors but also dependent on the underlying chromatin structure, especially on covalent histone modifications. After screening different histone lysine methyltransferases and demethylases, we identified JMJD2B/KDM4B as a p53-inducible gene in response to DNA damage. p53 directly regulates JMJD2B gene expression by binding to a canonical p53-consensus motif in the JMJD2B promoter. JMJD2B induction attenuates the transcription of key p53 transcriptional targets including p21, PIG3 and PUMA, and this modulation is dependent on the catalytic capacity of JMJD2B. Conversely, JMJD2B silencing led to an enhancement of the DNA-damage driven induction of p21 and PIG3. These findings indicate that JMJD2B acts in an auto-regulatory loop by which p53, through JMJD2B activation, is able to influence its own transcriptional program. Functionally, exogenous expression of JMJD2B enhanced subcutaneous tumor growth of colon cancer cells in a p53-dependent manner, and genetic inhibition of JMJD2B impaired tumor growth in vivo. These studies provide new insights into the regulatory effect exerted by JMJD2B on tumor growth through the modulation of p53 target genes.
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Affiliation(s)
- Laura Castellini
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Eui Jung Moon
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Olga V Razorenova
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Adam J Krieg
- Department of Obstetrics and Gynecology, Oregon Health and Sciences University, Portland, OR 97239, USA
| | - Rie von Eyben
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Amato J Giaccia
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA 94305, USA
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29
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Fang Z, Wang TQ, Li H, Zhang G, Wu XA, Yang L, Peng YL, Zou J, Li LL, Xiang R, Yang SY. Discovery of pyrazolo[1,5-a]pyrimidine-3-carbonitrile derivatives as a new class of histone lysine demethylase 4D (KDM4D) inhibitors. Bioorg Med Chem Lett 2017; 27:3201-3204. [PMID: 28539219 DOI: 10.1016/j.bmcl.2017.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 04/17/2017] [Accepted: 05/01/2017] [Indexed: 02/05/2023]
Abstract
Herein we report the discovery of a series of new small molecule inhibitors of histone lysine demethylase 4D (KDM4D). Molecular docking was first performed to screen for new KDM4D inhibitors from various chemical databases. Two hit compounds were retrieved. Further structural optimization and structure-activity relationship (SAR) analysis were carried out to the more selective one, compound 2, which led to the discovery of several new KDM4D inhibitors. Among them, compound 10r is the most potent one with an IC50 value of 0.41±0.03μM against KDM4D. Overall, compound 10r could be taken as a good lead compound for further studies.
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Affiliation(s)
- Zhen Fang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tian-Qi Wang
- Department of Clinical Medicine, School of Medicine, Nankai University, Tianjin 300071, China
| | - Hui Li
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Guo Zhang
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education, West China School of Pharmacy, Sichuan University, Sichuan 610041, China
| | - Xiao-Ai Wu
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Li Yang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yu-Lan Peng
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jun Zou
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lin-Li Li
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education, West China School of Pharmacy, Sichuan University, Sichuan 610041, China
| | - Rong Xiang
- Department of Clinical Medicine, School of Medicine, Nankai University, Tianjin 300071, China.
| | - Sheng-Yong Yang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
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30
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Pearce NM, Bradley AR, Krojer T, Marsden BD, Deane CM, von Delft F. Partial-occupancy binders identified by the Pan-Dataset Density Analysis method offer new chemical opportunities and reveal cryptic binding sites. STRUCTURAL DYNAMICS (MELVILLE, N.Y.) 2017; 4:032104. [PMID: 28345007 PMCID: PMC5336473 DOI: 10.1063/1.4974176] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 01/04/2017] [Indexed: 06/06/2023]
Abstract
Crystallographic fragment screening uses low molecular weight compounds to probe the protein surface and although individual protein-fragment interactions are high quality, fragments commonly bind at low occupancy, historically making identification difficult. However, our new Pan-Dataset Density Analysis method readily identifies binders missed by conventional analysis: for fragment screening data of lysine-specific demethylase 4D (KDM4D), the hit rate increased from 0.9% to 10.6%. Previously unidentified fragments reveal multiple binding sites and demonstrate: the versatility of crystallographic fragment screening; that surprisingly large conformational changes are possible in crystals; and that low crystallographic occupancy does not by itself reflect a protein-ligand complex's significance.
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Affiliation(s)
| | - Anthony R Bradley
- Structural Genomics Consortium, University of Oxford , Oxford OX3 7DQ, United Kingdom
| | - Tobias Krojer
- Structural Genomics Consortium, University of Oxford , Oxford OX3 7DQ, United Kingdom
| | | | - Charlotte M Deane
- Department of Statistics, University of Oxford , 24-29 St Giles, Oxford OX1 3LB, United Kingdom
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31
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Franci G, Sarno F, Nebbioso A, Altucci L. Identification and characterization of PKF118-310 as a KDM4A inhibitor. Epigenetics 2016; 12:198-205. [PMID: 27767379 DOI: 10.1080/15592294.2016.1249089] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Epigenetic modifications are functionally involved in gene expression regulation. In particular, histone posttranslational modifications play a crucial role in functional chromatin organization. Several drugs able to inhibit or stimulate some families of proteins involved in epigenetic histone regulation have been found, a number of which are FDA-approved for the treatment of cutaneous T-cell lymphoma or are in phase I/II/III clinical trials for solid tumors. Although some protein families, such as histone deacetylases and their inhibitors, are well characterized, our understanding of histone lysine demethylases is still incomplete. We describe the in silico, in vitro, and cell-based characterization of the compound PKF118-310, an antagonist of transcription factor 4 (TCF4)/β-catenin signaling, as inhibitor of KDM4A. PKF118-310 potential inhibitor activity was discovered via virtual screening on the crystal structure of KDM4A. A peptide-based histone trimethylation assay developed in-house confirmed its potent KDM4A inhibitor activity. Its protein target was identified by cellular thermal shift assay experiments. PKF118-310 anticancer activity was observed in both liquid and solid tumor cells, and shown to have a dose- and time-dependent effect. We demonstrate the previously unreported inhibitory action of PKF118-310 on KDM4A. Our findings open up the possibility of developing the first KDM4A-specific inhibitors and derivatives.
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Affiliation(s)
- Gianluigi Franci
- a Dipartimento di Biochimica , Biofisica e Patologia Generale, Seconda Università degli Studi di Napoli , Napoli , Italy
| | - Federica Sarno
- a Dipartimento di Biochimica , Biofisica e Patologia Generale, Seconda Università degli Studi di Napoli , Napoli , Italy
| | - Angela Nebbioso
- a Dipartimento di Biochimica , Biofisica e Patologia Generale, Seconda Università degli Studi di Napoli , Napoli , Italy
| | - Lucia Altucci
- a Dipartimento di Biochimica , Biofisica e Patologia Generale, Seconda Università degli Studi di Napoli , Napoli , Italy
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32
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Kim TD, Oh S, Lightfoot SA, Shin S, Wren JD, Janknecht R. Upregulation of PSMD10 caused by the JMJD2A histone demethylase. Int J Clin Exp Med 2016; 9:10123-10134. [PMID: 28883898 PMCID: PMC5584593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
PSMD10, also known as gankyrin, is associated with the proteasome and has been shown to be an oncoprotein in the liver. Here, we report that PSMD10 expression is stimulated by the histone demethylase JMJD2A/KDM4A and its interaction partner, the ETV1 transcription factor, in LNCaP prostate cancer cells. Global analysis of expression patterns revealed that PSMD10 mRNA levels are positively correlated with those of both JMJD2A and ETV1. In human prostate tumors, PSMD10 is highly overexpressed at the protein level and correlates with JMJD2A overexpression; further, PSMD10 expression is enhanced in the prostates of transgenic JMJD2A mice. Moreover, PSMD10 is particularly overexpressed in high Gleason score prostate tumors. Downregulation of PSMD10 in LNCaP prostate cancer cells impaired their growth, indicating that PSMD10 may exert a pro-oncogenic function in the prostate. Lastly, we observed that PSMD10 expression is correlated to YAP1, a component of the Hippo signaling pathway and whose gene promoter is regulated by JMJD2A, and that PSMD10 can cooperate with YAP1 in stimulating LNCaP cell growth. Altogether, these data indicate that PSMD10 is a novel downstream effector of JMJD2A and suggest that inhibition of the JMJD2A histone demethylase by small molecule drugs may be effective to curtail the oncogenic activity of PSMD10 in various PSMD10-overexpressing tumors.
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Affiliation(s)
- Tae-Dong Kim
- 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
| | - Stan A Lightfoot
- Department of Pathology, 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
| | - Jonathan D Wren
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
- Stephenson Cancer Center, Oklahoma City, OK 73104, USA
| | - Ralf Janknecht
- 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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Kim TD, Shin S, Janknecht R. ETS transcription factor ERG cooperates with histone demethylase KDM4A. Oncol Rep 2016; 35:3679-88. [PMID: 27109047 PMCID: PMC4869937 DOI: 10.3892/or.2016.4747] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 01/11/2016] [Indexed: 12/20/2022] Open
Abstract
ERG (ETS-related gene) is a member of the ETS (erythroblast transformation-specific) family of transcription factors. Overexpression of the ERG transcription factor is observed in half of all prostate tumors and is an underlying cause of this disease. However, the mechanisms involved in the functions of ERG are still not fully understood. In the present study, we showed that ERG can directly bind to KDM4A (also known as JMJD2A), a histone demethylase that particularly demethylates lysine 9 on histone H3. ERG and KDM4A cooperated in upregulating the promoter of Yes-associated protein 1 (YAP1), a downstream effector in the Hippo signaling pathway and crucial growth regulator. Multiple ERG binding sites within the human YAP1 gene promoter were identified and their impact on transcription was determined through mutational analysis. Furthermore, we found that ERG expression reduced histone H3 lysine 9 trimethylation at the YAP1 gene promoter, consistent with its epigenetic regulation through the ERG interaction partner, KDM4A. Finally, downregulation of YAP1 phenocopied the growth-retarding effect of ERG or KDM4A depletion in human VCaP prostate cancer cells. Collectively, these results elucidated a novel mechanism - ERG promotes prostate tumorigenesis together with KDM4A through the upregulation of YAP1. A corollary is that KDM4A as well as YAP1 inhibitors may prove beneficial for the therapy of ERG-overexpressing prostate tumors.
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Affiliation(s)
- Tae-Dong Kim
- 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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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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Kim TD, Jin F, Shin S, Oh S, Lightfoot SA, Grande JP, Johnson AJ, van Deursen JM, Wren JD, Janknecht R. Histone demethylase JMJD2A drives prostate tumorigenesis through transcription factor ETV1. J Clin Invest 2016; 126:706-20. [PMID: 26731476 DOI: 10.1172/jci78132] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 11/13/2015] [Indexed: 02/06/2023] Open
Abstract
Histone demethylase upregulation has been observed in human cancers, yet it is unknown whether this is a bystander event or a driver of tumorigenesis. We found that overexpression of lysine-specific demethylase 4A (KDM4A, also known as JMJD2A) was positively correlated with Gleason score and metastasis in human prostate tumors. Overexpression of JMJD2A resulted in the development of prostatic intraepithelial neoplasia in mice, demonstrating that JMJD2A can initiate prostate cancer development. Moreover, combined overexpression of JMJD2A and the ETS transcription factor ETV1, a JMJD2A-binding protein, resulted in prostate carcinoma formation in mice haplodeficient for the phosphatase and tensin homolog (Pten) tumor-suppressor gene. Additionally, JMJD2A cooperated with ETV1 to increase expression of yes associated protein 1 (YAP1), a Hippo pathway component that itself was associated with prostate tumor aggressiveness. ETV1 facilitated the recruitment of JMJD2A to the YAP1 promoter, leading to changes in histone lysine methylation in a human prostate cancer cell line. Further, YAP1 expression largely rescued the growth inhibitory effects of JMJD2A depletion in prostate cancer cells, indicating that YAP1 is a downstream effector of JMJD2A. Taken together, these data reveal a JMJD2A/ETV1/YAP1 axis that promotes prostate cancer initiation and that may be a suitable target for therapeutic inhibition.
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Soini Y, Kosma VM, Pirinen R. KDM4A, KDM4B and KDM4C in non-small cell lung cancer. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:12922-12928. [PMID: 26722485 PMCID: PMC4680430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 09/23/2015] [Indexed: 06/05/2023]
Abstract
KDM4A, KDM4B and KDM4D are lysine demethylases which demethylate H3 at lysine K9 and K36 sites, additionally KDM4D also the H1.4 linker histone at K26 lysine. Lysine methylation changes can repress or induce gene expression at specific sites thus influencing cellular functions. We analysed the immunohistochemical expression of KDM4A, KDM4B and KDM4D in a clinical material of 188 patients with lung carcinomas. There were 132 (70%) squamous cell carcinomas, 53 (28%) adenocarcinomas and 3 (2%) large cell carcinomas in the study. Additionally, the trimethylated state of chromatin was detected with an antibody to trimethylated H3K9 residue. Nuclear KDM4A and KDM4D were associated with the presence of lymph node metastases in tumors. Cytoplasmic KDM4A was associated with poor survival of the patients (P = 0.015) and with a shorter recurrence free interval (P = 0.028). KDM4A and KDM4D appear to have a significant role in the metastatic spread of lung carcinomas. The findings are also in line with their proposed involvement in mechanisms associated with cell proliferation, apoptosis and DNA repair.
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Affiliation(s)
- Ylermi Soini
- Department of Pathology and Forensic Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, School of Medicine, University of Eastern Finland, Cancer Center of Eastern FinlandPO Box 1627, Kuopio FI-70211, Finland
- Department of Pathology, Imaging Centre, Kuopio University HospitalKuopio, Finland
| | - Veli-Matti Kosma
- Department of Pathology and Forensic Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, School of Medicine, University of Eastern Finland, Cancer Center of Eastern FinlandPO Box 1627, Kuopio FI-70211, Finland
- Department of Pathology, Imaging Centre, Kuopio University HospitalKuopio, Finland
| | - Risto Pirinen
- Department of Pathology, Imaging Centre, Kuopio University HospitalKuopio, Finland
- Department of pathology, North Karelia Central HospitalJoensuu, Finland
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Huang X, Zhang S, Qi H, Wang Z, Chen HW, Shao J, Shen J. JMJD5 interacts with p53 and negatively regulates p53 function in control of cell cycle and proliferation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1853:2286-95. [DOI: 10.1016/j.bbamcr.2015.05.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 05/12/2015] [Accepted: 05/22/2015] [Indexed: 01/05/2023]
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Liu LJ, Lu L, Zhong HJ, He B, Kwong DWJ, Ma DL, Leung CH. An Iridium(III) Complex Inhibits JMJD2 Activities and Acts as a Potential Epigenetic Modulator. J Med Chem 2015. [DOI: 10.1021/acs.jmedchem.5b00375] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Li-Juan Liu
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University of Macau, Taipa, Macao P. R. China
| | - Lihua Lu
- Department
of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong P. R. China
| | - Hai-Jing Zhong
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University of Macau, Taipa, Macao P. R. China
| | - Bingyong He
- Department
of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong P. R. China
| | - Daniel W. J. Kwong
- Department
of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong P. R. China
| | - Dik-Lung Ma
- Department
of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong P. R. China
| | - Chung-Hang Leung
- State
Key Laboratory of Quality Research in Chinese Medicine, Institute
of Chinese Medical Sciences, University of Macau, Taipa, Macao P. R. China
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A polymorphism in JMJD2C alters the cleavage by caspase-3 and the prognosis of human breast cancer. Oncotarget 2015; 5:4779-87. [PMID: 24952432 PMCID: PMC4148098 DOI: 10.18632/oncotarget.2029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
JMJD2C is a candidate oncogene that encodes a histone lysine demethylase with the ability to demethylate the lysine 9 residue of histone H3 (H3K9). The expression levels of JMJD2C are associated with tumor development and clinical outcome. Here we identify JMJD2C as a new substrate for caspase-3. JMJD2C is cleaved by caspase-3 at DEVD396G motif and then loses its demethylase activity. Additionally, we uncover D396N polymorphism (rs2296067) in the cleavage site of JMJD2C and establish its influence on the resistant to the cleavage by caspase-3. Importantly, we determined that D396N polymorphism is significantly associated with the prognosis of human breast cancer. We further found that the basal levels of DSB (double strand DNA break) repair proteins γ-H2AX (gamma-H2AX) increased when cells were treated with tumor necrosis factor-α (TNF-α) which activates caspase-3 activity. We also show that knockdown of JMJD2C expression results in up-regulation of basal γ-H2AX. We propose that D396N polymorphism of JMJD2C affects the prognosis of human breast cancer via altering the cleavage by caspase-3 and the ability of DSB repair which may contribute to therapy resistance.
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Liu K, Liu Y, Lau JL, Min J. Epigenetic targets and drug discovery Part 2: Histone demethylation and DNA methylation. Pharmacol Ther 2015; 151:121-40. [PMID: 25857453 DOI: 10.1016/j.pharmthera.2015.04.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 03/31/2015] [Indexed: 02/06/2023]
Abstract
Chromatin structure is dynamically modulated by various chromatin modifications, such as histone/DNA methylation and demethylation. We have reviewed histone methyltransferases and methyllysine binders in terms of small molecule screening and drug discovery in the first part of this review series. In this part, we will summarize recent progress in chemical probe and drug discovery of histone demethylases and DNA methyltransferases. Histone demethylation and DNA methylation have attracted a lot of attention regarding their biology and disease implications. Correspondingly, many small molecule compounds have been designed to modulate the activity of histone demethylases and DNA methyltransferases, and some of them have been developed into therapeutic drugs or put into clinical trials.
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Affiliation(s)
- Ke Liu
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan 430079, PR China; Structural Genomics Consortium, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada
| | - Yanli Liu
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan 430079, PR China; Structural Genomics Consortium, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada
| | - Johnathan L Lau
- Structural Genomics Consortium, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada; Department of Physiology, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Jinrong Min
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, College of Life Science, Central China Normal University, Wuhan 430079, PR China; Structural Genomics Consortium, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada; Department of Physiology, University of Toronto, Toronto, Ontario M5S 1A8, Canada.
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Awwad SW, Ayoub N. Overexpression of KDM4 lysine demethylases disrupts the integrity of the DNA mismatch repair pathway. Biol Open 2015; 4:498-504. [PMID: 25770186 PMCID: PMC4400592 DOI: 10.1242/bio.201410991] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The KDM4 family of lysine demethylases consists of five members, KDM4A, -B and -C that demethylate H3K9me2/3 and H3K36me2/3 marks, while KDM4D and -E demethylate only H3K9me2/3. Recent studies implicated KDM4 proteins in regulating genomic instability and carcinogenesis. Here, we describe a previously unrecognized pathway by which hyperactivity of KDM4 demethylases promotes genomic instability. We show that overexpression of KDM4A-C, but not KDM4D, disrupts MSH6 foci formation during S phase by demethylating its binding site, H3K36me3. Consequently, we demonstrate that cells overexpressing KDM4 members are defective in DNA mismatch repair (MMR), as evident by the instability of four microsatellite markers and the remarkable increase in the spontaneous mutations frequency at the HPRT locus. Furthermore, we show that the defective MMR in cells overexpressing KDM4C is mainly due to the increase in its demethylase activity and can be mended by KDM4C downregulation. Altogether, our data suggest that cells overexpressing KDM4A-C are defective in DNA MMR and this may contribute to genomic instability and tumorigenesis.
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Affiliation(s)
- Samah W Awwad
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Nabieh Ayoub
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
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42
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Li X, Dong S. Histone demethylase JMJD2B and JMJD2C induce fibroblast growth factor 2: mediated tumorigenesis of osteosarcoma. Med Oncol 2015; 32:53. [PMID: 25636512 DOI: 10.1007/s12032-015-0503-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Accepted: 01/23/2015] [Indexed: 10/24/2022]
Abstract
JMJD2B and JMJD2C, histone demethylases, play crucial roles in cancer development and are up-regulated in many cancers. However, the actions of JMJD2B and JMJD2C in osteosarcoma remain unknown. The levels of JMJD2B or JMJD2C were evaluated in osteosarcoma cells and tissues via quantitative real-time PCR and Western Blot. JMJD2B and JMJD2C were up-regulated in osteosarcoma tissues when compared to paired adjacent non-tumor tissues. A higher level of JMJD2B or JMJD2C was related with metastasis of osteosarcoma cells. Fibroblast growth factor 2 (FGF2) is an important factor to maintain immaturity of cells and contributes to osteosarcoma aggressiveness. Elevated levels of FGF2 promoted the proliferation, migration, and invasion of osteosarcoma cell, while FGF2 was up-regulated by JMJD2B or JMJD2C. GST pull-down assay showed that JMJD2B or JMJD2C interacted with FGF2. Thus, JMJD2B and JMJD2C play an important role in the pathology of osteosarcoma via the up-regulation of FGF2. JMJD2B and JMJD2C should be developed potential targets for the therapy of osteosarcoma patients.
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Affiliation(s)
- Xiaojiang Li
- Orthopedics Department, The Affiliated Hospital to Changchun University of Chinese Medicine, No.1478 of Gongnong Street, Chaoyang District, Changchun, 130021, China,
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Activation of p53 with ilimaquinone and ethylsmenoquinone, marine sponge metabolites, induces apoptosis and autophagy in colon cancer cells. Mar Drugs 2015; 13:543-57. [PMID: 25603347 PMCID: PMC4306951 DOI: 10.3390/md13010543] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 01/07/2015] [Indexed: 12/18/2022] Open
Abstract
The tumor suppressor, p53, plays an essential role in the cellular response to stress through regulating the expression of genes involved in cell cycle arrest, apoptosis and autophagy. Here, we used a cell-based reporter system for the detection of p53 response transcription to identify the marine sponge metabolites, ilimaquinone and ethylsmenoquinone, as activators of the p53 pathway. We demonstrated that ilimaquinone and ethylsmenoquinone efficiently stabilize the p53 protein through promotion of p53 phosphorylation at Ser15 in both HCT116 and RKO colon cancer cells. Moreover, both compounds upregulate the expression of p21WAF1/CIP1, a p53-dependent gene, and suppress proliferation of colon cancer cells. In addition, ilimaquinone and ethylsmenoquinone induced G2/M cell cycle arrest and increased caspase-3 cleavage and the population of cells that positively stained with Annexin V-FITC, both of which are typical biochemical markers of apoptosis. Furthermore, autophagy was elicited by both compounds, as indicated by microtubule-associated protein 1 light chain 3 (LC3) puncta formations and LC3-II turnover in HCT116 cells. Our findings suggest that ilimaquinone and ethylsmenoquinone exert their anti-cancer activity by activation of the p53 pathway and may have significant potential as chemo-preventive and therapeutic agents for human colon cancer.
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44
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Khoury-Haddad H, Nadar-Ponniah PT, Awwad S, Ayoub N. The emerging role of lysine demethylases in DNA damage response: dissecting the recruitment mode of KDM4D/JMJD2D to DNA damage sites. Cell Cycle 2015; 14:950-8. [PMID: 25714495 PMCID: PMC4614868 DOI: 10.1080/15384101.2015.1014147] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 01/26/2015] [Accepted: 01/27/2015] [Indexed: 02/06/2023] Open
Abstract
KDM4D is a lysine demethylase that removes tri- and di- methylated residues from H3K9 and is involved in transcriptional regulation and carcinogenesis. We recently showed that KDM4D is recruited to DNA damage sites in a PARP1-dependent manner and facilitates double-strand break repair in human cells. Moreover, we demonstrated that KDM4D is an RNA binding protein and mapped its RNA-binding motifs. Interestingly, KDM4D-RNA interaction is essential for its localization on chromatin and subsequently for efficient demethylation of its histone substrate H3K9me3. Here, we provide new data that shed mechanistic insights into KDM4D accumulation at DNA damage sites. We show for the first time that KDM4D binds poly(ADP-ribose) (PAR) in vitro via its C-terminal region. In addition, we demonstrate that KDM4D-RNA interaction is required for KDM4D accumulation at DNA breakage sites. Finally, we discuss the recruitment mode and the biological functions of additional lysine demethylases including KDM4B, KDM5B, JMJD1C, and LSD1 in DNA damage response.
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Affiliation(s)
| | | | - Samah Awwad
- Department of Biology; Israel Institute of Technology; Haifa, Israel
| | - Nabieh Ayoub
- Department of Biology; Israel Institute of Technology; Haifa, Israel
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Zoabi M, Nadar-Ponniah PT, Khoury-Haddad H, Usaj M, Budowski-Tal I, Haran T, Henn A, Mandel-Gutfreund Y, Ayoub N. RNA-dependent chromatin localization of KDM4D lysine demethylase promotes H3K9me3 demethylation. Nucleic Acids Res 2014; 42:13026-38. [PMID: 25378304 PMCID: PMC4245933 DOI: 10.1093/nar/gku1021] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The JmjC-containing lysine demethylase, KDM4D, demethylates di-and tri-methylation of histone H3 on lysine 9 (H3K9me3). How KDM4D is recruited to chromatin and recognizes its histone substrates remains unknown. Here, we show that KDM4D binds RNA independently of its demethylase activity. We mapped two non-canonical RNA binding domains: the first is within the N-terminal spanning amino acids 115 to 236, and the second is within the C-terminal spanning amino acids 348 to 523 of KDM4D. We also demonstrate that RNA interactions with KDM4D N-terminal region are critical for its association with chromatin and subsequently for demethylating H3K9me3 in cells. This study implicates, for the first time, RNA molecules in regulating the levels of H3K9 methylation by affecting KDM4D association with chromatin.
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Affiliation(s)
- Muhammad Zoabi
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | | | - Hanan Khoury-Haddad
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Marko Usaj
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Inbal Budowski-Tal
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Tali Haran
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Arnon Henn
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Yael Mandel-Gutfreund
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
| | - Nabieh Ayoub
- Department of Biology, Technion - Israel Institute of Technology, Haifa 3200003, Israel
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46
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Molecular basis for substrate recognition by lysine methyltransferases and demethylases. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2014; 1839:1404-15. [PMID: 24946978 DOI: 10.1016/j.bbagrm.2014.06.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 05/16/2014] [Accepted: 06/09/2014] [Indexed: 11/24/2022]
Abstract
Lysine methylation has emerged as a prominent covalent modification in histones and non-histone proteins. This modification has been implicated in numerous genomic processes, including heterochromatinization, cell cycle progression, DNA damage response, DNA replication, genome stability, and epigenetic gene regulation that underpins developmental programs defining cell identity and fate. The site and degree of lysine methylation is dynamically modulated through the enzymatic activities of protein lysine methyltransferases (KMTs) and protein lysine demethylases (KDMs). These enzymes display distinct substrate specificities that in part define their biological functions. This review explores recent progress in elucidating the molecular basis of these specificities, highlighting structural and functional studies of the methyltransferases SUV4-20H1 (KMT5B), SUV4-20H2 (KMT5C), and ATXR5, and the demethylases UTX (KDM6A), JMJD3 (KDM6B), and JMJD2D (KDM4D). We conclude by examining these findings in the context of related KMTs and KDMs and by exploring unresolved questions regarding the specificities and functions of these enzymes.
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47
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Kupershmit I, Khoury-Haddad H, Awwad SW, Guttmann-Raviv N, Ayoub N. KDM4C (GASC1) lysine demethylase is associated with mitotic chromatin and regulates chromosome segregation during mitosis. Nucleic Acids Res 2014; 42:6168-82. [PMID: 24728997 PMCID: PMC4041427 DOI: 10.1093/nar/gku253] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 03/11/2014] [Accepted: 03/15/2014] [Indexed: 12/11/2022] Open
Abstract
Various types of human cancers exhibit amplification or deletion of KDM4A-D members, which selectively demethylate H3K9 and H3K36, thus implicating their activity in promoting carcinogenesis. On this basis, it was hypothesized that dysregulated expression of KDM4A-D family promotes chromosomal instabilities by largely unknown mechanisms. Here, we show that unlike KDM4A-B, KDM4C is associated with chromatin during mitosis. This association is accompanied by a decrease in the mitotic levels of H3K9me3. We also show that the C-terminal region, containing the Tudor domains of KDM4C, is essential for its association with mitotic chromatin. More specifically, we show that R919 residue on the proximal Tudor domain of KDM4C is critical for its association with chromatin during mitosis. Interestingly, we demonstrate that depletion or overexpression of KDM4C, but not KDM4B, leads to over 3-fold increase in the frequency of abnormal mitotic cells showing either misaligned chromosomes at metaphase, anaphase-telophase lagging chromosomes or anaphase-telophase bridges. Furthermore, overexpression of KDM4C demethylase-dead mutant has no detectable effect on mitotic chromosome segregation. Altogether, our findings implicate KDM4C demethylase activity in regulating the fidelity of mitotic chromosome segregation by a yet unknown mechanism.
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Affiliation(s)
- Ilana Kupershmit
- Department of Biology, Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Hanan Khoury-Haddad
- Department of Biology, Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Samah W Awwad
- Department of Biology, Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Noga Guttmann-Raviv
- Department of Biology, Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Nabieh Ayoub
- Department of Biology, Technion, Israel Institute of Technology, Haifa 3200003, Israel
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48
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Kim TD, Fuchs JR, Schwartz E, Abdelhamid D, Etter J, Berry WL, Li C, Ihnat MA, Li PK, Janknecht R. Pro-growth role of the JMJD2C histone demethylase in HCT-116 colon cancer cells and identification of curcuminoids as JMJD2 inhibitors. Am J Transl Res 2014; 6:236-247. [PMID: 24936217 PMCID: PMC4058306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2014] [Accepted: 03/17/2014] [Indexed: 06/03/2023]
Abstract
Colon tumors are a major cause of cancer death, yet their molecular intricacies are not fully understood. We demonstrate that the histone demethylases JMJD2A, JMJD2B and JMJD2C are overexpressed in colon cancer cell lines, whereas another related protein, JMJD2D, is not. Interestingly, despite their high homology, the intracellular localization of JMJD2A-C is different in colon and other cancer cells, with JMJD2A being present comparably in the cytoplasm and nucleus, JMJD2B more prevalent in the nucleus and JMJD2C strongly associated with chromatin. This suggests that each of these three proteins performs different, non-redundant functions. Moreover, we show that JMJD2C (also called KDM4C) forms complexes with β-catenin, an oncoprotein whose overexpression is crucial for the development of most colonic tumors. In addition, JMJD2C downregulation reduced both growth and clonogenic capacity of HCT-116 colon cancer cells. Further, JMJD2C was required for efficient expression of the growth stimulatory proteins FRA1 and cyclin D1 as well as the survival factor BCL2. Lastly, we identified derivatives of curcumin as in vitro inhibitors of JMJD2 enzymes, suggesting that these curcuminoids could be useful for decreasing JMJD2 activity in vivo. In conclusion, our data highlight that overexpression of JMJD2C confers a pro-growth effect on colon cancer cells and, therefore, its inhibition by curcuminoids or other small molecules could be beneficial as an adjuvant therapy for colon cancer patients.
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Affiliation(s)
- Tae-Dong Kim
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, OK 73104, USA
| | - James R Fuchs
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - Eric Schwartz
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - Dalia Abdelhamid
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - Jonathan Etter
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - William L Berry
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, OK 73104, USA
| | - Chenglong Li
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - Michael A Ihnat
- Department of Pharmaceutical Sciences, University of Oklahoma Health Sciences CenterOklahoma City, OK 73104, USA
- Peggy and Charles Stephenson Cancer CenterOklahoma City, OK 73104, USA
| | - Pui-Kai Li
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State UniversityColumbus, OH 43210, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences CenterOklahoma City, OK 73104, USA
- Peggy and Charles Stephenson Cancer CenterOklahoma City, OK 73104, USA
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49
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Johansson C, Tumber A, Che K, Cain P, Nowak R, Gileadi C, Oppermann U. The roles of Jumonji-type oxygenases in human disease. Epigenomics 2014; 6:89-120. [PMID: 24579949 PMCID: PMC4233403 DOI: 10.2217/epi.13.79] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The iron- and 2-oxoglutarate-dependent oxygenases constitute a phylogenetically conserved class of enzymes that catalyze hydroxylation reactions in humans by acting on various types of substrates, including metabolic intermediates, amino acid residues in different proteins and various types of nucleic acids. The discovery of jumonji (Jmj), the founding member of a class of Jmj-type chromatin modifying enzymes and transcriptional regulators, has culminated in the discovery of several branches of histone lysine demethylases, with essential functions in regulating the epigenetic landscape of the chromatin environment. This work has now been considerably expanded into other aspects of epigenetic biology and includes the discovery of enzymatic steps required for methyl-cytosine demethylation as well as modification of RNA and ribosomal proteins. This overview aims to summarize the current knowledge on the human Jmj-type enzymes and their involvement in human pathological processes, including development, cancer, inflammation and metabolic diseases.
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Affiliation(s)
- Catrine Johansson
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
| | - Anthony Tumber
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
| | - KaHing Che
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
- Botnar Research Center, NIHR Oxford Biomedical Research Unit, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, Oxford, OX3 7LD, UK
| | - Peter Cain
- Botnar Research Center, NIHR Oxford Biomedical Research Unit, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, Oxford, OX3 7LD, UK
| | - Radoslaw Nowak
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
- Botnar Research Center, NIHR Oxford Biomedical Research Unit, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, Oxford, OX3 7LD, UK
- Systems Approaches to Biomedical Sciences, Industrial Doctorate Center (SABS IDC) Oxford, UK
| | - Carina Gileadi
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
| | - Udo Oppermann
- Structural Genomics Consortium, University of Oxford, Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, UK
- Botnar Research Center, NIHR Oxford Biomedical Research Unit, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, Oxford, OX3 7LD, UK
- Systems Approaches to Biomedical Sciences, Industrial Doctorate Center (SABS IDC) Oxford, UK
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50
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Berry WL, Kim TD, Janknecht R. Stimulation of β-catenin and colon cancer cell growth by the KDM4B histone demethylase. Int J Oncol 2014; 44:1341-8. [PMID: 24481461 DOI: 10.3892/ijo.2014.2279] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 12/21/2013] [Indexed: 11/06/2022] Open
Abstract
The linchpin of colorectal cancer is the oncoprotein and transcriptional cofactor β-catenin, whose overexpression is causative for the neoplastic transformation of colon cells. However, the molecular details of β-catenin dependent gene transcription in cancer cells are still not comprehensively explored. Here, we show that the histone demethylase KDM4B was upregulated in colon and rectal adenocarcinomas and required for efficient growth and clonogenic activity of human HT-29 colon cancer cells. Moreover, KDM4B formed complexes with β-catenin in vitro and in vivo, which involved its central amino acids 353-740. In addition, KDM4B also interacted with the DNA-binding protein TCF4, which is the main factor recruiting β-catenin to chromatin in the intestine. KDM4B downregulation resulted in reduced expression of the β-catenin/TCF4 target genes JUN, MYC and Cyclin D1, all of which encode for oncoproteins. Collectively, our data indicate that KDM4B overexpression supports β-catenin mediated gene transcription and thereby contributes to the genesis of colorectal tumors. Accordingly, inhibition of the KDM4B histone demethylase may represent a novel avenue of fighting colorectal cancer, one of the major causes of cancer death throughout the world.
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Affiliation(s)
- William L Berry
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Tae-Dong Kim
- 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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