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Fang Z, Huang T, Chai X, Zhan J, Zhu Q, Sun P, Zeng D, Liu C, Jiang B, He L, Zhou X, Liu M, Zhang X. Protein methylation characterization using NMR without isotopic labeling. Talanta 2024; 268:125289. [PMID: 37862753 DOI: 10.1016/j.talanta.2023.125289] [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: 06/19/2023] [Revised: 09/15/2023] [Accepted: 10/06/2023] [Indexed: 10/22/2023]
Abstract
Protein methylation is crucial in epigenetics, and targeting the involved methyltransferases shows great potential for therapeutic intervention with several inhibitors in clinical trials for oncology indications. Therefore, characterization of protein methylation is essential for understanding the methyltransferase function and discovering chemical inhibitors and antagonists. While NMR has been used to measure methylation rates, isotopic labeling of protein or methyl donors can be costly and cannot characterize demethylation of proteins extracted from natural sources. Our method employs a four-quantum filter 1H-13C experiment that selectively detects methyl groups, providing a simple way to characterize methylation and demethylation features of methyltransferases and demethylases, respectively, without requiring isotopic labeling. In our experiments, we successfully observed the methylation of H3 under lysate from various cells and tissues of mice with cancerous growth. The results revealed that H3 undergoes both mono- and dimethylation in all the tested lysates, but at varying rates and degrees. Significantly lower H3 methylation rates and levels were observed in both cervical tumor and breast tumor lysates compared with the corresponding cancerous cells and healthy cells lysates. These findings highlight the variability of histone H3 methylation patterns among healthy cells, cancerous cells, tumor tissues, and different tumor types, and suggest that this method has great potential in facilitating the development of effective interventions against these diseases. By characterizing the methylation features of suspected tumors or areas of concern, it provides valuable insights into the underlying mechanisms of cancer development and aids in identifying potential targets for therapeutic interventions.
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Affiliation(s)
- Zhongpei Fang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tao Huang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Xin Chai
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jianhua Zhan
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Qinjun Zhu
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Peng Sun
- Philips Healthcare, Wuhan, 430071, China
| | - Danyun Zeng
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Caixiang Liu
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Bin Jiang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430071, China; Optics Valley Laboratory, Wuhan, 430074, China
| | - Lichun He
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xin Zhou
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430071, China; Optics Valley Laboratory, Wuhan, 430074, China
| | - Maili Liu
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430071, China; Optics Valley Laboratory, Wuhan, 430074, China.
| | - Xu Zhang
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Innovation Academy for Precision Measurement of Science and Technology, Chinese Academy of Sciences, Wuhan, 430071, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430071, China; Optics Valley Laboratory, Wuhan, 430074, China.
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Sheikh KA, Iqubal A, Alam MM, Akhter M, Khan MA, Ehtaishamul Haque S, Parvez S, Jahangir U, Amir M, Khanna S, Shaquiquzzaman M. A Quinquennial Review of Potent LSD1 Inhibitors Explored for the Treatment of Different Cancers, with Special Focus on SAR Studies. Curr Med Chem 2024; 31:152-207. [PMID: 36718063 DOI: 10.2174/0929867330666230130093442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 09/30/2022] [Accepted: 11/17/2022] [Indexed: 02/01/2023]
Abstract
Cancer bears a significant share of global mortality. The enzyme Lysine Specific Demethylase 1 (LSD1, also known as KDM1A), since its discovery in 2004, has captured the attention of cancer researchers due to its overexpression in several cancers like acute myeloid leukaemia (AML), solid tumours, etc. The Lysine Specific Demethylase (LSD1) downregulation is reported to have an effect on cancer proliferation, migration, and invasion. Therefore, research to discover safer and more potent LSD1 inhibitors can pave the way for the development of better cancer therapeutics. These efforts have resulted in the synthesis of many types of derivatives containing diverse structural nuclei. The present manuscript describes the role of Lysine Specific Demethylase 1 (LSD1) in carcinogenesis, reviews the LSD1 inhibitors explored in the past five years and discusses their comprehensive structural activity characteristics apart from the thorough description of LSD1. Besides, the potential challenges, opportunities, and future perspectives in the development of LSD1 inhibitors are also discussed. The review suggests that tranylcypromine derivatives are the most promising potent LSD1 inhibitors, followed by triazole and pyrimidine derivatives with IC50 values in the nanomolar and sub-micromolar range. A number of potent LSD1 inhibitors derived from natural sources like resveratrol, protoberberine alkaloids, curcumin, etc. are also discussed. The structural-activity relationships discussed in the manuscript can be exploited to design potent and relatively safer LSD1 inhibitors as anticancer agents.
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Affiliation(s)
- Khursheed Ahmad Sheikh
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Ashif Iqubal
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mymoona Akhter
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Ahmed Khan
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Syed Ehtaishamul Haque
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical & Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Umar Jahangir
- Department of Amraaz-e-Jild wa Tazeeniyat, School of Unani Medical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Amir
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Suruchi Khanna
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Shaquiquzzaman
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India
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An X, Lan X, Feng Z, Li X, Su Q. Histone modification: Biomarkers and potential therapies in colorectal cancer. Ann Hum Genet 2023; 87:274-284. [PMID: 37712180 DOI: 10.1111/ahg.12528] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 09/16/2023]
Abstract
The complex mechanism of colorectal cancer development is closely associated with epigenetic modifications and is caused by overexpression and/or inactivation of oncogenes. Histone modifying enzymes catalyze histone modifications to alter gene expression, which plays a crucial role in the development and progression of colorectal cancer. Currently, there is more frequent study on histone acetylation, methylation, and phosphorylation, and their mechanisms in colorectal cancer development are clearer. This article elaborates on the role of histone modification in epigenetics in colorectal cancer development and discusses recent advances in using it as biomarkers and therapeutic targets for the treatment of colorectal cancer. The review aims to demonstrate the significant role of histone modification as a new therapeutic target in colorectal cancer and provides insights into the novel diagnostic and therapeutic options it offers.
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Affiliation(s)
- Xin An
- First College for Clinical Medicine, Guangxi Medical University, Nanning, Guangxi, China
| | - Xiaohua Lan
- School of Basic Medicine, Guangxi Medical University, Nanning, Guangxi, China
| | - Zizhen Feng
- School of Basic Medicine, Guangxi Medical University, Nanning, Guangxi, China
| | - Xiaohong Li
- Key Laboratory of Clinical Laboratory Medicine of Guangxi Department of Education, Department of Clinical Laboratory, the First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Qisheng Su
- Key Laboratory of Clinical Laboratory Medicine of Guangxi Department of Education, Department of Clinical Laboratory, the First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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Brown T, Nguyen T, Zhou B, Zheng YG. Chemical probes and methods for the study of protein arginine methylation. RSC Chem Biol 2023; 4:647-669. [PMID: 37654509 PMCID: PMC10467615 DOI: 10.1039/d3cb00018d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 07/28/2023] [Indexed: 09/02/2023] Open
Abstract
Protein arginine methylation is a widespread post-translational modification (PTM) in eukaryotic cells. This chemical modification in proteins functionally modulates diverse cellular processes from signal transduction, gene expression, and DNA damage repair to RNA splicing. The chemistry of arginine methylation entails the transfer of the methyl group from S-adenosyl-l-methionine (AdoMet, SAM) onto a guanidino nitrogen atom of an arginine residue of a target protein. This reaction is catalyzed by about 10 members of protein arginine methyltransferases (PRMTs). With impacts on a variety of cellular processes, aberrant expression and activity of PRMTs have been shown in many disease conditions. Particularly in oncology, PRMTs are commonly overexpressed in many cancerous tissues and positively correlated with tumor initiation, development and progression. As such, targeting PRMTs is increasingly recognized as an appealing therapeutic strategy for new drug discovery. In the past decade, a great deal of research efforts has been invested in illuminating PRMT functions in diseases and developing chemical probes for the mechanistic study of PRMTs in biological systems. In this review, we provide a brief developmental history of arginine methylation along with some key updates in arginine methylation research, with a particular emphasis on the chemical aspects of arginine methylation. We highlight the research endeavors for the development and application of chemical approaches and chemical tools for the study of functions of PRMTs and arginine methylation in regulating biology and disease.
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Affiliation(s)
- Tyler Brown
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia Athens GA 30602 USA +1-(706) 542-5358 +1-(706) 542-0277
| | - Terry Nguyen
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia Athens GA 30602 USA +1-(706) 542-5358 +1-(706) 542-0277
| | - Bo Zhou
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia Athens GA 30602 USA +1-(706) 542-5358 +1-(706) 542-0277
| | - Y George Zheng
- Department of Pharmaceutical and Biomedical Sciences, University of Georgia Athens GA 30602 USA +1-(706) 542-5358 +1-(706) 542-0277
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Yang FF, Xu XL, Hu T, Liu JQ, Zhou JZ, Ma LY, Liu HM. Lysine-Specific Demethylase 1 Promises to Be a Novel Target in Cancer Drug Resistance: Therapeutic Implications. J Med Chem 2023; 66:4275-4293. [PMID: 37014989 DOI: 10.1021/acs.jmedchem.2c01527] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2023]
Abstract
Chemotherapy, targeted therapy, and immunotherapy are effective against most tumors, but drug resistance remains a barrier to successful treatment. Lysine-specific demethylase 1 (LSD1), a member of histone demethylation modifications, can regulate invasion, metastasis, apoptosis, and immune escape of tumor cells, which are associated with tumorigenesis and tumor progression. Recent studies suggest that LSD1 ablation regulates resensitivity of tumor cells to anticarcinogens containing immune checkpoint inhibitors (ICIs) via multiple upstream and downstream pathways. In this review, we describe the recent findings about LSD1 biology and its role in the development and progression of cancer drug resistance. Further, we summarize LSD1 inhibitors that have a reversal or resensitive effect on drug resistance and discuss the possibility of targeting LSD1 in combination with other agents to surmount resistance.
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Affiliation(s)
- Fei-Fei Yang
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xue-Li Xu
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Ting Hu
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jian-Quan Liu
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jin-Zhu Zhou
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Li-Ying Ma
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
- Key Laboratory of Cardio-Cerebrovascular Drug, China Meheco Topfond Pharmaceutical Company, Zhumadian 463000, China
| | - Hong-Min Liu
- State Key Laboratory of Esophageal Cancer Prevention and Treatment, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, School of Pharmaceutical Science and Institute of Pharmaceutical Science, Zhengzhou University, Zhengzhou, Henan 450001, China
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Functional validation of variants of unknown significance using CRISPR gene editing and transcriptomics: A Kleefstra syndrome case study. Gene X 2022; 821:146287. [PMID: 35176430 DOI: 10.1016/j.gene.2022.146287] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/20/2021] [Accepted: 02/03/2022] [Indexed: 11/21/2022] Open
Abstract
There are an estimated > 400 million people living with a rare disease globally, with genetic variants the cause of approximately 80% of cases. Next Generation Sequencing (NGS) rapidly identifies genetic variants however they are often of unknown significance. Low throughput functional validation in specialist laboratories is the current ad hoc approach for functional validation of genetic variants, which creating major bottlenecks in patient diagnosis. This study investigates the application of CRISPR gene editing followed by genome wide transcriptomic profiling to facilitate patient diagnosis. As proof-of-concept, we introduced a variant in the Euchromatin histone methyl transferase (EHMT1) gene into HEK293T cells. We identified changes in the regulation of the cell cycle, neural gene expression and suppression of gene expression changes on chromosome 19 and chromosome X, that are in keeping with Kleefstra syndrome clinical phenotype and/or provide insight into disease mechanism. This study demonstrates the utility of genome editing followed by functional readouts to rapidly and systematically validating the function of variants of unknown significance in patients suffering from rare diseases.
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Fear VS, Forbes CA, Anderson D, Rauschert S, Syn G, Shaw N, Jamieson S, Ward M, Baynam G, Lassmann T. CRISPR single base editing, neuronal disease modelling and functional genomics for genetic variant analysis: pipeline validation using Kleefstra syndrome EHMT1 haploinsufficiency. Stem Cell Res Ther 2022; 13:69. [PMID: 35139903 PMCID: PMC8827184 DOI: 10.1186/s13287-022-02740-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/28/2021] [Indexed: 11/22/2022] Open
Abstract
Background Over 400 million people worldwide are living with a rare disease. Next Generation Sequencing (NGS) identifies potential disease causative genetic variants. However, many are identified as variants of uncertain significance (VUS) and require functional laboratory validation to determine pathogenicity, and this creates major diagnostic delays. Methods In this study we test a rapid genetic variant assessment pipeline using CRISPR homology directed repair to introduce single nucleotide variants into inducible pluripotent stem cells (iPSCs), followed by neuronal disease modelling, and functional genomics on amplicon and RNA sequencing, to determine cellular changes to support patient diagnosis and identify disease mechanism. Results As proof-of-principle, we investigated an EHMT1 (Euchromatin histone methyltransferase 1; EHMT1 c.3430C > T; p.Gln1144*) genetic variant pathogenic for Kleefstra syndrome and determined changes in gene expression during neuronal progenitor cell differentiation. This pipeline rapidly identified Kleefstra syndrome in genetic variant cells compared to healthy cells, and revealed novel findings potentially implicating the key transcription factors REST and SP1 in disease pathogenesis. Conclusion The study pipeline is a rapid, robust method for genetic variant assessment that will support rare diseases patient diagnosis. The results also provide valuable information on genome wide perturbations key to disease mechanism that can be targeted for drug treatments. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02740-3.
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Affiliation(s)
- Vanessa S Fear
- Translational Genetics, Precision Health, Telethon Kids Institute, Northern Entrance, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA, 6009, Australia.
| | - Catherine A Forbes
- Translational Genetics, Precision Health, Telethon Kids Institute, Northern Entrance, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA, 6009, Australia
| | - Denise Anderson
- Computational Biology, Precision Health, Telethon Kids Institute, Perth Children's Hospital, Nedlands, WA, 6009, Australia
| | - Sebastian Rauschert
- Computational Biology, Precision Health, Telethon Kids Institute, Perth Children's Hospital, Nedlands, WA, 6009, Australia
| | - Genevieve Syn
- Computational Biology, Precision Health, Telethon Kids Institute, Perth Children's Hospital, Nedlands, WA, 6009, Australia
| | - Nicole Shaw
- Translational Genetics, Precision Health, Telethon Kids Institute, Northern Entrance, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA, 6009, Australia
| | - Sarra Jamieson
- Computational Biology, Precision Health, Telethon Kids Institute, Perth Children's Hospital, Nedlands, WA, 6009, Australia
| | - Michelle Ward
- Undiagnosed Diseases Program, Genetic Services of WA, Subiaco, Australia
| | - Gareth Baynam
- Western Australian Register of Developmental Anomalies, King Edward Memorial Hospital, Subiaco, WA, 6008, Australia.,Undiagnosed Diseases Program, Genetic Services of WA, Subiaco, Australia
| | - Timo Lassmann
- Translational Genetics, Precision Health, Telethon Kids Institute, Northern Entrance, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA, 6009, Australia.,Computational Biology, Precision Health, Telethon Kids Institute, Perth Children's Hospital, Nedlands, WA, 6009, Australia
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Davis K, Azarcon P, Hickenlooper S, Bia R, Horiuchi E, Szulik MW, Franklin S. The role of demethylases in cardiac development and disease. J Mol Cell Cardiol 2021; 158:89-100. [PMID: 34081951 DOI: 10.1016/j.yjmcc.2021.05.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/12/2021] [Accepted: 05/25/2021] [Indexed: 12/16/2022]
Abstract
Heart failure is a worldwide health condition that currently has limited noninvasive treatments. Heart disease includes both structural and molecular remodeling of the heart which is driven by alterations in gene expression in the cardiomyocyte. Therefore, understanding the regulatory mechanisms which instigate these changes in gene expression and constitute the foundation for pathological remodeling may be beneficial for developing new treatments for heart disease. These gene expression changes are largely preceded by epigenetic alterations to chromatin, including the post-translational modification of histones such as methylation, which alters chromatin to be more or less accessible for transcription factors or regulatory proteins to bind and modify gene expression. Methylation was once thought to be a permanent mark placed on histone or non-histone targets by methyltransferases, but is now understood to be a reversible process after the discovery of the first demethylase, KDM1A/LSD1. Since this time, it has been shown that demethylases play key roles in embryonic development, in maintaining cellular homeostasis and disease progression. However, the role of demethylases in the fetal and adult heart remains largely unknown. In this review, we have compiled data on the 33 mammalian demethylases that have been identified to date and evaluate their expression in the embryonic and adult heart as well as changes in expression in the failing myocardium using publicly available RNA-sequencing and proteomic datasets. Our analysis detected expression of 14 demethylases in the normal fetal heart, and 5 demethylases in the normal adult heart. Moreover, 8 demethylases displayed differential expression in the diseased human heart compared to healthy hearts. We then examined the literature regarding these demethylases and provide phenotypic information of 13 demethylases that have been functionally interrogated in some way in the heart. Lastly, we describe the 6 arginine and lysine residues on histones which have been shown to be methylated but have no corresponding demethylase identified which removes these methyl marks. Overall, this review highlights our current knowledge on the role of demethylases, their importance in cardiac development and pathophysiology and provides evidence for the use of pharmacological inhibitors to combat disease.
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Affiliation(s)
- Kathryn Davis
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America.
| | - Presley Azarcon
- School of Medicine, University of Utah, Salt Lake City, UT, United States of America
| | - Samuel Hickenlooper
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America
| | - Ryan Bia
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America
| | - Emilee Horiuchi
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America
| | - Marta W Szulik
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America
| | - Sarah Franklin
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States of America; Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, United States of America.
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Zeng J, Li Y, Ma Z, Hu M. Advances in Small Molecules in Cellular Reprogramming: Effects, Structures, and Mechanisms. Curr Stem Cell Res Ther 2020; 16:115-132. [PMID: 32564763 DOI: 10.2174/1574888x15666200621172042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 11/22/2022]
Abstract
The method of cellular reprogramming using small molecules involves the manipulation of somatic cells to generate desired cell types under chemically limited conditions, thus avoiding the ethical controversy of embryonic stem cells and the potential hazards of gene manipulation. The combinations of small molecules and their effects on mouse and human somatic cells are similar. Several small molecules, including CHIR99021, 616452, A83-01, SB431542, forskolin, tranylcypromine and valproic acid [VPA], have been frequently used in reprogramming of mouse and human somatic cells. This indicated that the reprogramming approaches related to these compounds were essential. These approaches were mainly divided into four classes: epigenetic modification, signal modulation, metabolic modulation and senescent suppression. The structures and functions of small molecules involved in these reprogramming approaches have been studied extensively. Molecular docking gave insights into the mechanisms and structural specificities of various small molecules in the epigenetic modification. The binding modes of RG108, Bix01294, tranylcypromine and VPA with their corresponding proteins clearly illustrated the interactions between these compounds and the active sites of the proteins. Glycogen synthase kinase 3β [CHIR99021], transforming growth factor β [616452, A83-01 and SB431542] and protein kinase A [forskolin] signaling pathway play important roles in signal modulation during reprogramming, however, the mechanisms and structural specificities of these inhibitors are still unknown. Further, the numbers of small molecules in the approaches of metabolic modulation and senescent suppression were too few to compare. This review aims to serve as a reference for reprogramming through small molecules in order to benefit future regenerative medicine and clinical drug discovery.
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Affiliation(s)
- Jun Zeng
- Yunnan Key laboratory for Basic Research on Bone and Joint Diseases & Yunnan Stem Cell Translational Research Center, Kunming University, Kunming 650214, China
| | - Yanjiao Li
- Yunnan Key laboratory for Basic Research on Bone and Joint Diseases & Yunnan Stem Cell Translational Research Center, Kunming University, Kunming 650214, China
| | - Zhaoxia Ma
- Yunnan Key laboratory for Basic Research on Bone and Joint Diseases & Yunnan Stem Cell Translational Research Center, Kunming University, Kunming 650214, China
| | - Min Hu
- Yunnan Key laboratory for Basic Research on Bone and Joint Diseases & Yunnan Stem Cell Translational Research Center, Kunming University, Kunming 650214, China
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Disruption of the Molecular Circadian Clock and Cancer: An Epigenetic Link. Biochem Genet 2019; 58:189-209. [DOI: 10.1007/s10528-019-09938-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 09/03/2019] [Indexed: 01/08/2023]
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Roatsch M, Hoffmann I, Abboud MI, Hancock RL, Tarhonskaya H, Hsu KF, Wilkins SE, Yeh TL, Lippl K, Serrer K, Moneke I, Ahrens TD, Robaa D, Wenzler S, Barthes NPF, Franz H, Sippl W, Lassmann S, Diederichs S, Schleicher E, Schofield CJ, Kawamura A, Schüle R, Jung M. The Clinically Used Iron Chelator Deferasirox Is an Inhibitor of Epigenetic JumonjiC Domain-Containing Histone Demethylases. ACS Chem Biol 2019; 14:1737-1750. [PMID: 31287655 DOI: 10.1021/acschembio.9b00289] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Fe(II)- and 2-oxoglutarate (2OG)-dependent JumonjiC domain-containing histone demethylases (JmjC KDMs) are "epigenetic eraser" enzymes involved in the regulation of gene expression and are emerging drug targets in oncology. We screened a set of clinically used iron chelators and report that they potently inhibit JMJD2A (KDM4A) in vitro. Mode of action investigations revealed that one compound, deferasirox, is a bona fide active site-binding inhibitor as shown by kinetic and spectroscopic studies. Synthesis of derivatives with improved cell permeability resulted in significant upregulation of histone trimethylation and potent cancer cell growth inhibition. Deferasirox was also found to inhibit human 2OG-dependent hypoxia inducible factor prolyl hydroxylase activity. Therapeutic effects of clinically used deferasirox may thus involve transcriptional regulation through 2OG oxygenase inhibition. Deferasirox might provide a useful starting point for the development of novel anticancer drugs targeting 2OG oxygenases and a valuable tool compound for investigations of KDM function.
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Affiliation(s)
- Martin Roatsch
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg i.Br. , Germany
| | - Inga Hoffmann
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg i.Br. , Germany
| | - Martine I Abboud
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Rebecca L Hancock
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Hanna Tarhonskaya
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Kuo-Feng Hsu
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Sarah E Wilkins
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Tzu-Lan Yeh
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Kerstin Lippl
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Kerstin Serrer
- Institute of Physical Chemistry , Albert-Ludwigs-Universität Freiburg , Albertstraße 21 , 79104 Freiburg i.Br. , Germany
| | - Isabelle Moneke
- Division of Cancer Research, Department of Thoracic Surgery, Medical Center-University of Freiburg, Faculty of Medicine , University of Freiburg , German Cancer Consortium (DKTK)-Partner Site Freiburg, Breisacher Straße 115 , 79106 Freiburg i.Br. , Germany
| | - Theresa D Ahrens
- Institute for Surgical Pathology, Medical Center and Faculty of Medicine , University of Freiburg , Breisacher Straße 115a , 79106 Freiburg i.Br. , Germany
| | - Dina Robaa
- Institute of Pharmacy , Martin-Luther-University Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle (Saale) , Germany
| | - Sandra Wenzler
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg i.Br. , Germany
| | - Nicolas P F Barthes
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg i.Br. , Germany
| | - Henriette Franz
- Central Clinical Research, Medical Center and Faculty of Medicine , University of Freiburg , Breisacher Straße 66 , 79106 Freiburg i.Br. , Germany
| | - Wolfgang Sippl
- Institute of Pharmacy , Martin-Luther-University Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle (Saale) , Germany
| | - Silke Lassmann
- Institute for Surgical Pathology, Medical Center and Faculty of Medicine , University of Freiburg , Breisacher Straße 115a , 79106 Freiburg i.Br. , Germany
| | - Sven Diederichs
- Division of Cancer Research, Department of Thoracic Surgery, Medical Center-University of Freiburg, Faculty of Medicine , University of Freiburg , German Cancer Consortium (DKTK)-Partner Site Freiburg, Breisacher Straße 115 , 79106 Freiburg i.Br. , Germany
- Division of RNA Biology & Cancer , German Cancer Research Center (DKFZ) , Im Neuenheimer Feld 280 , 69120 Heidelberg , Germany
| | - Erik Schleicher
- Institute of Physical Chemistry , Albert-Ludwigs-Universität Freiburg , Albertstraße 21 , 79104 Freiburg i.Br. , Germany
| | - Christopher J Schofield
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Akane Kawamura
- Chemistry Research Laboratory , University of Oxford , 12 Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Roland Schüle
- Central Clinical Research, Medical Center and Faculty of Medicine , University of Freiburg , Breisacher Straße 66 , 79106 Freiburg i.Br. , Germany
| | - Manfred Jung
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg i.Br. , Germany
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12
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Pippa S, Mannironi C, Licursi V, Bombardi L, Colotti G, Cundari E, Mollica A, Coluccia A, Naccarato V, La Regina G, Silvestri R, Negri R. Small Molecule Inhibitors of KDM5 Histone Demethylases Increase the Radiosensitivity of Breast Cancer Cells Overexpressing JARID1B. Molecules 2019; 24:molecules24091739. [PMID: 31060229 PMCID: PMC6540222 DOI: 10.3390/molecules24091739] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 04/24/2019] [Accepted: 05/01/2019] [Indexed: 12/18/2022] Open
Abstract
Background: KDM5 enzymes are H3K4 specific histone demethylases involved in transcriptional regulation and DNA repair. These proteins are overexpressed in different kinds of cancer, including breast, prostate and bladder carcinomas, with positive effects on cancer proliferation and chemoresistance. For these reasons, these enzymes are potential therapeutic targets. Methods: In the present study, we analyzed the effects of three different inhibitors of KDM5 enzymes in MCF-7 breast cancer cells over-expressing one of them, namely KDM5B/JARID1B. In particular we tested H3K4 demethylation (western blot); radio-sensitivity (cytoxicity and clonogenic assays) and damage accumulation (COMET assay and kinetics of H2AX phosphorylation). Results: we show that all three compounds with completely different chemical structures can selectively inhibit KDM5 enzymes and are capable of increasing sensitivity of breast cancer cells to ionizing radiation and radiation-induced damage. Conclusions: These findings confirm the involvement of H3K4 specific demethylases in the response to DNA damage, show a requirement of the catalytic function and suggest new strategies for the therapeutic use of their inhibitors.
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Affiliation(s)
- Simone Pippa
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, 00185 Rome, Italy.
| | - Cecilia Mannironi
- Institute of Molecular Biology and Pathology, Italian National Research Council, 00185 Rome, Italy.
| | - Valerio Licursi
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, 00185 Rome, Italy.
- Institute for Systems Analysis and Computer Science "A. Ruberti", Italian National Research Council, 00185 Rome, Italy.
| | - Luca Bombardi
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, 00185 Rome, Italy.
| | - Gianni Colotti
- Institute of Molecular Biology and Pathology, Italian National Research Council, 00185 Rome, Italy.
| | - Enrico Cundari
- Institute of Molecular Biology and Pathology, Italian National Research Council, 00185 Rome, Italy.
| | - Adriano Mollica
- Department of Pharmacy, University "G. d' Annunzio" of Chieti, Via dei Vestini 31, 66100 Chieti, Italy.
| | - Antonio Coluccia
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia Cenci Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy.
| | - Valentina Naccarato
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia Cenci Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy.
| | - Giuseppe La Regina
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia Cenci Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy.
| | - Romano Silvestri
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia Cenci Bolognetti Foundation, Sapienza University of Rome, 00185 Rome, Italy.
| | - Rodolfo Negri
- Department of Biology and Biotechnology "C. Darwin", Sapienza University of Rome, 00185 Rome, Italy.
- Institute of Molecular Biology and Pathology, Italian National Research Council, 00185 Rome, Italy.
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13
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Singh PK. Histone methyl transferases: A class of epigenetic opportunities to counter uncontrolled cell proliferation. Eur J Med Chem 2019; 166:351-368. [PMID: 30735901 DOI: 10.1016/j.ejmech.2019.01.069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/03/2019] [Accepted: 01/28/2019] [Indexed: 02/06/2023]
Abstract
With each newly disclosed resistance mechanism, management of cancer with previously established targets have become a "failure" oriented approach. Molecular targets such as kinases did initially provide a ray of hope against cancer but with decades of struggle between novel therapeutic agents and more sophisticated resistance mechanisms, they seem to have saturated as anti-cancer targets. Now, with more exhaustive molecular recognition techniques and approaches, epigenetic targets have accessed the centre stage as anti-cancer targets. Accordingly, several classes of epigenetic enzymes are being studied for this role and histone methyltransferases form one such class. They include a class of epigenetic enzymes which transfer methyl group from histone proteins and maintain genetic homeostasis. In cancer, several reports have deduced upregulation of different members of this family according to the tumor environment, establishing them as one of the novel anti-cancer targets. This compilation provides an updated information on several members of histone methyltransferases family as epigenetic targets for developing novel anti-cancer agents.
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Affiliation(s)
- Pankaj Kumar Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, 147002, India.
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14
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Chen J, Lin X, Park KJ, Lee KR, Park HJ. Identification of protoberberine alkaloids as novel histone methyltransferase G9a inhibitors by structure-based virtual screening. J Comput Aided Mol Des 2018; 32:917-928. [DOI: 10.1007/s10822-018-0156-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 08/29/2018] [Indexed: 10/28/2022]
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15
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Nguyen T, Li GE, Chen H, Cranfield CG, McGrath KC, Gorrie CA. Maternal E-Cigarette Exposure Results in Cognitive and Epigenetic Alterations in Offspring in a Mouse Model. Chem Res Toxicol 2018; 31:601-611. [PMID: 29863869 DOI: 10.1021/acs.chemrestox.8b00084] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Electronic cigarette (e-cigarette) use is on the rise worldwide and is particularly attractive to young people and as a smoking substitute by pregnant woman. There is a perception in pregnant women and women of child-bearing age that the use of e-cigarettes (vaping) is safer than smoking tobacco cigarettes during pregnancy. However, there is little evidence to support this perception. Here, we examined the offspring from mouse dams that had been exposed during and after pregnancy to ambient air (sham) ( n = 8), e-cigarette aerosols with nicotine ( n = 8), or e-cigarette aerosols without nicotine ( n = 8). Offspring underwent cognitive testing at 12 weeks of age and epigenetic testing of brain tissues at 1 day, 20 days, and 13 weeks after birth. The findings showed deficits in short-term memory, reduced anxiety, and hyperactivity in offspring following maternal e-cigarette exposure using the novel object recognition and elevated plus maze tests. In addition, global DNA methylation was increased in the brains of offspring soon after birth. Using a quantitative-PCR array specific to chromatin modification enzymes on genomic DNA and histones,13 key genes were identified to be significantly altered in the offspring brains from the e-cigarette groups compared to the nonexposed groups. The changes to genes Aurka, Aurkb, Aurkc, Kdm5c, Kdm6b, Dnmt3a, Dnmt3b, and Atf2, all associated with modulating neurological activity, were validated using RT-qPCR. In conclusion, in a mouse model, maternal exposure to e-cigarette aerosols resulted in both cognitive and epigenetic changes in offspring. This suggests that the use of e-cigarettes during pregnancy may have hitherto undetected neurological consequences on newborns.
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Affiliation(s)
- Tara Nguyen
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
| | - Gerard E Li
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
| | - Charles G Cranfield
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
| | - Kristine C McGrath
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
| | - Catherine A Gorrie
- School of Life Sciences, Faculty of Science , University of Technology Sydney , Sydney , New South Wales , Australia
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16
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Jubierre L, Jiménez C, Rovira E, Soriano A, Sábado C, Gros L, Llort A, Hladun R, Roma J, Toledo JSD, Gallego S, Segura MF. Targeting of epigenetic regulators in neuroblastoma. Exp Mol Med 2018; 50:1-12. [PMID: 29700278 PMCID: PMC5938021 DOI: 10.1038/s12276-018-0077-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 01/13/2018] [Accepted: 01/31/2018] [Indexed: 12/20/2022] Open
Abstract
Approximately 15,000 new cases of pediatric cancer are diagnosed yearly in Europe, with 8–10% corresponding to neuroblastoma, a rare disease with an incidence of 8–9 cases per million children <15 years of age. Although the survival rate for low-risk and intermediate-risk patients is excellent, half of children with high-risk, refractory, or relapsed tumors will be cured, and two-thirds of the other half will suffer major side effects and life-long disabilities. Epigenetic therapies aimed at reversing the oncogenic alterations in chromatin structure and function are an emerging alternative against aggressive tumors that are or will become resistant to conventional treatments. This approach proposes targeting epigenetic regulators, which are proteins that are involved in the creation, detection, and interpretation of epigenetic signals, such as methylation or histone post-translational modifications. In this review, we focused on the most promising epigenetic regulators for targeting and current drugs that have already reached clinical trials. Treatments that target chromatin, the combination of DNA and proteins, are emerging as alternative ways to treat aggressive neuroblastomas, cancers of neural tissue. Altering the structure and function of chromatin is a form of “epigenetic therapy”, treatment that affects inheritable molecular signals controlling the activity of genes, rather than targeting the genes directly. Researchers in Spain led by Miguel Segura at the Vall d’Hebron Research Institute in Barcelona review progress in developing epigenetic therapies for neuroblastomas. A growing body of fundamental research and evidence from clinical trials suggest this approach could open promising new avenues to treating aggressive and drug-resistant cancers. The authors recommend an increased effort to identify and explore the activities of small molecules that could form the basis of effective epigenetic therapies for various cancers.
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Affiliation(s)
- Luz Jubierre
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Carlos Jiménez
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Eric Rovira
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Aroa Soriano
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Constantino Sábado
- Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Luis Gros
- Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Anna Llort
- Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Raquel Hladun
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain.,Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Josep Roma
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Josep Sánchez de Toledo
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain.,Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Soledad Gallego
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain.,Vall d'Hebron Hospital, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Miguel F Segura
- Group of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119, 08035, Barcelona, Spain.
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17
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Hauser AT, Robaa D, Jung M. Epigenetic small molecule modulators of histone and DNA methylation. Curr Opin Chem Biol 2018; 45:73-85. [PMID: 29579619 DOI: 10.1016/j.cbpa.2018.03.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 03/05/2018] [Accepted: 03/07/2018] [Indexed: 12/14/2022]
Abstract
DNA and histone methylation belong to the key regulatory components in the epigenetic machinery, and dysregulations of these processes have been associated with various human diseases. Small molecule modulators of these epigenetic targets are highly valuable both as chemical probes to study the biological roles of the target proteins, and as potential therapeutics. Indeed, recent years have seen the discovery of chemical modulators of several epigenetic targets, some of which are already marketed drugs or undergoing clinical trials. In this review, we will focus on small molecule modulators of DNA and histone methylation.
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Affiliation(s)
- Alexander-Thomas Hauser
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, 79104 Freiburg im Breisgau, Germany
| | - Dina Robaa
- Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck-Straße 4, 06120 Halle (Saale), Germany
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, 79104 Freiburg im Breisgau, Germany.
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18
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Lu C, Yang D, Sabbatini ME, Colby AH, Grinstaff MW, Oberlies NH, Pearce C, Liu K. Contrasting roles of H3K4me3 and H3K9me3 in regulation of apoptosis and gemcitabine resistance in human pancreatic cancer cells. BMC Cancer 2018; 18:149. [PMID: 29409480 PMCID: PMC5801751 DOI: 10.1186/s12885-018-4061-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 01/29/2018] [Indexed: 01/18/2023] Open
Abstract
Background Pancreas ductal adenocarcinoma (PDAC) has the most dismal prognosis among all human cancers since it is highly resistant to chemotherapy, radiotherapy and immunotherapy. The anticipated consequence of all therapies is induction of tumor apoptosis. The highly resistance nature of PDACs to all therapies suggests that the intrinsic tumor cell factors, likely the deregulated apoptosis pathway, are key mechanisms underlying PDAC non-response to these therapies, rather than the therapeutic agents themselves. The aim of this study is to test the hypothesis that epigenetic dysregulation of apoptosis mediators underlies PDAC resistance to gemcitabine, the standard chemotherapy for human PDAC. Methods PDAC cells were analyzed for apoptosis sensitivity in the presence of a selective epigenetic inhibitor. The epigenetic regulation of apoptosis regulators was determined by Western Blotting and quantitative PCR. The specific epigenetic modification of apoptosis regulator promoter chromatin was determined by chromatin immunoprecipitation in PDAC cells. Results Inhibition of histone methyltransferase (HMTase) by a selective HMTase inhibitor, verticillin A, significantly increased human PDAC cell sensitivity to gemcitabine-induced growth suppression. Verticillin A treatment decreased FLIP, Mcl-1, Bcl-x and increased Bak, Bax and Bim protein level in the tumor cells, resulting in activation of caspases, elevated cytochrome C release and increased apoptosis as determined by upregulated PARP cleavage in tumor cells. Analysis of human PDAC specimens indicated that the expression levels of anti-apoptotic mediators Bcl-x, Mcl-1, and FLIP were significantly higher, whereas the expression levels of pro-apoptotic mediators Bim, Bak and Bax were dramatically lower in human PDAC tissues as compared to normal pancreas. Verticillin A downregulated H3K4me3 levels at the BCL2L1, CFLAR and MCL-1 promoter to decrease Bcl-x, FLIP and Mcl-1 expression level, and inhibited H3K9me3 levels at the BAK1, BAX and BCL2L11 promoter to upregulate Bak, Bax and Bim expression level. Conclusion We determined that PDAC cells use H3K4me3 to activate Bcl-x, FLIP and Mcl-1, and H3K9me3 to silence Bak, Bax and Bim to acquire an apoptosis-resistant phenotype. Therefore, selective inhibition of H3K4me3 and H3K9me3 is potentially an effective approach to overcome PDAC cells resistance to gemcitabine.
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Affiliation(s)
- Chunwan Lu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, 1410 Laney Walker Blvd, Augusta, GA, 30912, USA. .,Georgia Cancer Center, Medical College of Georgia, Augusta, GA, 30912, USA. .,Charlie Norwood VA Medical Center, Augusta, GA, 30904, USA.
| | - Dafeng Yang
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, 1410 Laney Walker Blvd, Augusta, GA, 30912, USA.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA, 30912, USA.,Charlie Norwood VA Medical Center, Augusta, GA, 30904, USA
| | - Maria E Sabbatini
- Department of Biological Sciences, Augusta University, Augusta, GA, 30904, USA
| | - Aaron H Colby
- Ionic Pharmaceuticals, Brookline, MA, 02445, USA.,Department of Biomedical Engineering, Boston University, Boston, MA, 02215, USA
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, Boston, MA, 02215, USA
| | - Nicholas H Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA
| | | | - Kebin Liu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, 1410 Laney Walker Blvd, Augusta, GA, 30912, USA.,Georgia Cancer Center, Medical College of Georgia, Augusta, GA, 30912, USA.,Charlie Norwood VA Medical Center, Augusta, GA, 30904, USA
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19
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Hassan S, Sidransky E, Tayebi N. The role of epigenetics in lysosomal storage disorders: Uncharted territory. Mol Genet Metab 2017; 122:10-18. [PMID: 28918065 DOI: 10.1016/j.ymgme.2017.07.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/30/2017] [Accepted: 07/31/2017] [Indexed: 12/18/2022]
Abstract
The study of the contribution of epigenetic mechanisms, including DNA methylation, histone modifications, and microRNAs, to human disease has enhanced our understanding of different cellular processes and diseased states, as well as the effect of environmental factors on phenotypic outcomes. Epigenetic studies may be particularly relevant in evaluating the clinical heterogeneity observed in monogenic disorders. The lysosomal storage disorders are Mendelian disorders characterized by a wide spectrum of associated phenotypes, ranging from neonatal presentations to symptoms that develop in late adulthood. Some lack a tight genotype/phenotype correlation. While epigenetics may explain some of the discordant phenotypes encountered in patients with the same lysosomal storage disorder, especially among patients sharing the same genotype, to date, few studies have focused on these mechanisms. We review three common epigenetic mechanisms, DNA methylation, histone modifications, and microRNAs, and highlight their applications to phenotypic variation and therapeutics. Three specific lysosomal storage diseases, Gaucher disease, Fabry disease, and Niemann-Pick type C disease are presented as prototypical disorders with vast clinical heterogeneity that may be impacted by epigenetics. Our goal is to motivate researchers to consider epigenetics as a mechanism to explain the complexities of biological functions and pathologies of these rare disorders.
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Affiliation(s)
- Shahzeb Hassan
- Medical Genetics Branch, NHGRI, NIH, Bethesda, MD, United States
| | - Ellen Sidransky
- Medical Genetics Branch, NHGRI, NIH, Bethesda, MD, United States.
| | - Nahid Tayebi
- Medical Genetics Branch, NHGRI, NIH, Bethesda, MD, United States
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20
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Structure based design, synthesis and activity studies of small hybrid molecules as HDAC and G9a dual inhibitors. Oncotarget 2017; 8:63187-63207. [PMID: 28968981 PMCID: PMC5609913 DOI: 10.18632/oncotarget.18730] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 05/23/2017] [Indexed: 12/18/2022] Open
Abstract
Aberrant enzymatic activities or expression profiles of epigenetic regulations are therapeutic targets for cancers. Among these, histone 3 lysine 9 methylation (H3K9Me2) and global de-acetylation on histone proteins are associated with multiple cancer phenotypes including leukemia, prostatic carcinoma, hepatocellular carcinoma and pulmonary carcinoma. Here, we report the discovery of the first small molecule capable of acting as a dual inhibitor targeting both G9a and HDAC. Our structure based design, synthesis, and screening for the dual activity of the small molecules led to the discovery of compound 14 which displays promising inhibition of both G9a and HDAC in low micro-molar range in cell based assays.
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21
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Rogers PAW, Adamson GD, Al-Jefout M, Becker CM, D’Hooghe TM, Dunselman GAJ, Fazleabas A, Giudice LC, Horne AW, Hull ML, Hummelshoj L, Missmer SA, Montgomery GW, Stratton P, Taylor RN, Rombauts L, Saunders PT, Vincent K, Zondervan KT. Research Priorities for Endometriosis. Reprod Sci 2017; 24:202-226. [PMID: 27368878 PMCID: PMC5933154 DOI: 10.1177/1933719116654991] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The 3rd International Consensus Workshop on Research Priorities in Endometriosis was held in São Paulo on May 4, 2014, following the 12th World Congress on Endometriosis. The workshop was attended by 60 participants from 19 countries and was divided into 5 main sessions covering pathogenesis/pathophysiology, symptoms, diagnosis/classification/prognosis, disease/symptom management, and research policy. This research priorities consensus statement builds on earlier efforts to develop research directions for endometriosis. Of the 56 research recommendations from the 2011 meeting in Montpellier, a total of 41 remained unchanged, 13 were updated, and 2 were deemed to be completed. Fifty-three new research recommendations were made at the 2014 meeting in Sao Paulo, which in addition to the 13 updated recommendations resulted in a total of 66 new recommendations for research. The research recommendations published herein, as well as those from the 2 previous papers from international consensus workshops, are an attempt to promote high-quality research in endometriosis by identifying and agreeing on key issues that require investigation. New areas included in the 2014 recommendations include infertility, patient stratification, and research in emerging nations, in addition to an increased focus on translational research. A revised and updated set of research priorities that builds on this document will be developed at the 13th World Congress on Endometriosis to be held on May 17-20, 2017, in Vancouver, British Columbia, Canada.
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Affiliation(s)
| | - G. David Adamson
- Palo Alto Medical Foundation Fertility Physicians of Northern California,
Palo Alto, CA, USA
- World Endometriosis Research Foundation (WERF), London, United Kingdom
| | | | - Christian M. Becker
- Nuffield Department of Obstetrics & Gynaecology, Endometriosis Care
Centre, Oxford, United Kingdom
| | | | - Gerard A. J. Dunselman
- Department of Obstetrics & Gynaecology, Research Institute GROW,
Maastricht University Medical Centre, Maastricht, the Netherlands
| | | | - Linda C. Giudice
- World Endometriosis Research Foundation (WERF), London, United Kingdom
- University of California, San Francisco, CA, USA
- World Endometriosis Society (WES), Vancouver, Canada
| | - Andrew W. Horne
- MRC Centre for Reproductive Health, University of Edinburgh, Edinburgh,
United Kingdom
| | - M. Louise Hull
- The Robinson Institute, University of Adelaide, Adelaide, Australia
| | - Lone Hummelshoj
- World Endometriosis Research Foundation (WERF), London, United Kingdom
- World Endometriosis Society (WES), Vancouver, Canada
| | - Stacey A. Missmer
- World Endometriosis Research Foundation (WERF), London, United Kingdom
- Harvard Schools of Medicine and Public Health, Boston, MA, USA
| | | | | | - Robert N. Taylor
- World Endometriosis Society (WES), Vancouver, Canada
- Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Luk Rombauts
- World Endometriosis Research Foundation (WERF), London, United Kingdom
- World Endometriosis Society (WES), Vancouver, Canada
- Monash University, Clayton, Australia
| | - Philippa T. Saunders
- MRC Centre for Inflammation Research, University of Edinburgh, Edinburgh,
United Kingdom
| | - Katy Vincent
- Nuffield Department of Obstetrics & Gynaecology, Endometriosis Care
Centre, Oxford, United Kingdom
| | - Krina T. Zondervan
- Nuffield Department of Obstetrics & Gynaecology, Endometriosis Care
Centre, Oxford, United Kingdom
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford,
United Kingdom
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Alberro N, Torrent-Sucarrat M, Arrastia I, Arrieta A, Cossío FP. Two-State Reactivity of Histone Demethylases Containing Jumonji-C Active Sites: Different Mechanisms for Different Methylation Degrees. Chemistry 2016; 23:137-148. [DOI: 10.1002/chem.201604219] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Indexed: 01/08/2023]
Affiliation(s)
- Nerea Alberro
- Department of Organic Chemistry I; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Centro de Innovación en Química Avanzada (ORFEO-CINQA); Manuel Lardizabal Ibilbidea 3 20018 San Sebastián/Donostia Spain
| | - Miquel Torrent-Sucarrat
- Department of Organic Chemistry I; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Centro de Innovación en Química Avanzada (ORFEO-CINQA); Manuel Lardizabal Ibilbidea 3 20018 San Sebastián/Donostia Spain
- Donostia International Physics Center (DIPC); Manuel Lardizabal Ibilbidea 4 20018 San Sebastián/Donostia Spain
- Ikerbasque; Basque Foundation for Science; María Díaz de Haro 3, 6 floor 48013 Bilbao Spain
| | - Iosune Arrastia
- Donostia International Physics Center (DIPC); Manuel Lardizabal Ibilbidea 4 20018 San Sebastián/Donostia Spain
| | - Ana Arrieta
- Department of Organic Chemistry I; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Centro de Innovación en Química Avanzada (ORFEO-CINQA); Manuel Lardizabal Ibilbidea 3 20018 San Sebastián/Donostia Spain
| | - Fernando P. Cossío
- Department of Organic Chemistry I; Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU); Centro de Innovación en Química Avanzada (ORFEO-CINQA); Manuel Lardizabal Ibilbidea 3 20018 San Sebastián/Donostia Spain
- Donostia International Physics Center (DIPC); Manuel Lardizabal Ibilbidea 4 20018 San Sebastián/Donostia Spain
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23
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Substituted 2-(2-aminopyrimidin-4-yl)pyridine-4-carboxylates as potent inhibitors of JumonjiC domain-containing histone demethylases. Future Med Chem 2016; 8:1553-71. [DOI: 10.4155/fmc.15.188] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background: Aberrant expression of iron(II)- and 2-oxoglutarate-dependent JumonjiC histone demethylases has been linked to cancer. Potent demethylase inhibitors are drug candidates and biochemical tools to elucidate the functional impact of demethylase inhibition. Methods & results: Virtual screening identified a novel lead scaffold against JMJD2A with low-micromolar potency in vitro. Analogs were acquired from commercial sources respectively synthesized in feedback with biological testing. Optimized compounds were transformed into cell-permeable prodrugs. A cocrystal x-ray structure revealed the mode of binding of these compounds as competitive to 2-oxoglutarate and confirmed kinetic experiments. Selectivity studies revealed a preference for JMJD2A and JARID1A over JMJD3. Conclusion: Virtual screening and rational structural optimization led to a novel scaffold for highly potent and selective JMJD2A inhibitors.
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Abstract
SUMMARYEpigenetic changes are present in all human cancers and are now known to cooperate with genetic alterations to drive the cancer phenotype. These changes involve DNA methylation, histone modifiers and readers, chromatin remodelers, microRNAs, and other components of chromatin. Cancer genetics and epigenetics are inextricably linked in generating the malignant phenotype; epigenetic changes can cause mutations in genes, and, conversely, mutations are frequently observed in genes that modify the epigenome. Epigenetic therapies, in which the goal is to reverse these changes, are now one standard of care for a preleukemic disorder and form of lymphoma. The application of epigenetic therapies in the treatment of solid tumors is also emerging as a viable therapeutic route.
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Affiliation(s)
- Stephen B Baylin
- Cancer Biology Program, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21287
| | - Peter A Jones
- Van Andel Research Institute, Grand Rapids, Michigan 49503
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25
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Walsh L, Gallagher WM, O’Connor DP, Ní Chonghaile T. Diagnostic and Therapeutic Implications of Histone Epigenetic Modulators in Breast Cancer. Expert Rev Mol Diagn 2016; 16:541-51. [DOI: 10.1586/14737159.2016.1156534] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Louise Walsh
- Department of Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - William M. Gallagher
- Cancer Biology and Therapeutics Laboratory, UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, Dublin 4, Ireland
- OncoMark Limited, NovaUCD, Belfield Innovation Park, Belfield, Dublin 4, Ireland
| | - Darran P. O’Connor
- Department of Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Tríona Ní Chonghaile
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin 2, Ireland
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26
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Wu X, Fang Z, Yang B, Zhong L, Yang Q, Zhang C, Huang S, Xiang R, Suzuki T, Li LL, Yang SY. Discovery of KDM5A inhibitors: Homology modeling, virtual screening and structure-activity relationship analysis. Bioorg Med Chem Lett 2016; 26:2284-8. [PMID: 27020306 DOI: 10.1016/j.bmcl.2016.03.048] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 03/01/2016] [Accepted: 03/14/2016] [Indexed: 02/05/2023]
Abstract
Herein we report the discovery of a series of new KDM5A inhibitors. A three-dimensional (3D) structure model of KDM5A jumonji domain was firstly established based on homology modeling. Molecular docking-based virtual screening was then performed against commercial chemical databases. A number of hit compounds were retrieved. Further structural optimization and structure-activity relationship (SAR) analysis were carried out to the most active hit compound, 9 (IC50: 2.3 μM), which led to the discovery of several new KDM5A inhibitors. Among them, compound 15e is the most potent one with an IC50 value of 0.22 μM against KDM5A. This compound showed good selectivity for KDM5A and considerable ability to suppress the demethylation of H3K4me3 in intact cells. Compound 15e could be taken as a good lead compound for further studies.
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Affiliation(s)
- Xiaoai Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China; Department of Nuclear Medicine, West China Hospital, Sichuan University, Sichuan 610041, China
| | - Zhen Fang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China
| | - Bo Yang
- Key Laboratory of Drug Targeting and Drug Delivery System of Ministry of Education, West China School of Pharmacy, Sichuan University, Sichuan 610041, China; Department of Pharmacy, Panzhihua Central Hospital, Panzhihua, Sichuan 617067, China
| | - Lei Zhong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China
| | - Qiuyuan Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China
| | - Chunhui Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China
| | - Shenzhen Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China
| | - Rong Xiang
- Department of Clinical Medicine, School of Medicine, Nankai University, Tianjin 300071, China
| | - Takayoshi Suzuki
- Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Taishogun Nishitakatsukasa-Cho, Kita-ku, Kyoto 403-8334, Japan
| | - 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.
| | - Sheng-Yong Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, and Collaborative Innovation Center for Biotherapy, Sichuan University, Sichuan 610041, China.
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27
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McAllister TE, England KS, Hopkinson RJ, Brennan PE, Kawamura A, Schofield CJ. Recent Progress in Histone Demethylase Inhibitors. J Med Chem 2016; 59:1308-29. [PMID: 26710088 DOI: 10.1021/acs.jmedchem.5b01758] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
There is increasing interest in targeting histone N-methyl-lysine demethylases (KDMs) with small molecules both for the generation of probes for target exploration and for therapeutic purposes. Here we update on previous reviews on the inhibition of the lysine-specific demethylases (LSDs or KDM1s) and JmjC families of N-methyl-lysine demethylases (JmjC KDMs, KDM2-7), focusing on the academic and patent literature from 2014 to date. We also highlight recent biochemical, biological, and structural studies which are relevant to KDM inhibitor development.
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Affiliation(s)
- Tom E McAllister
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford, OX1 3TA, U.K
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford , Old Road Campus, Roosevelt Drive, Headington, OX3 7BN, U.K
| | - Katherine S England
- Structural Genomics Consortium, University of Oxford , Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, U.K
- Target Discovery Institute, University of Oxford , NDM Research Building, Roosevelt Drive, Headington, OX3 7FZ, U.K
| | - Richard J Hopkinson
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford, OX1 3TA, U.K
| | - Paul E Brennan
- Structural Genomics Consortium, University of Oxford , Old Road Campus, Roosevelt Drive, Headington, OX3 7DQ, U.K
- Target Discovery Institute, University of Oxford , NDM Research Building, Roosevelt Drive, Headington, OX3 7FZ, U.K
| | - Akane Kawamura
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford, OX1 3TA, U.K
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford , Old Road Campus, Roosevelt Drive, Headington, OX3 7BN, U.K
| | - Christopher J Schofield
- Chemistry Research Laboratory, University of Oxford , 12 Mansfield Road, Oxford, OX1 3TA, U.K
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28
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Hu H, Qian K, Ho MC, Zheng YG. Small Molecule Inhibitors of Protein Arginine Methyltransferases. Expert Opin Investig Drugs 2016; 25:335-58. [PMID: 26789238 DOI: 10.1517/13543784.2016.1144747] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
INTRODUCTION Arginine methylation is an abundant posttranslational modification occurring in mammalian cells and catalyzed by protein arginine methyltransferases (PRMTs). Misregulation and aberrant expression of PRMTs are associated with various disease states, notably cancer. PRMTs are prominent therapeutic targets in drug discovery. AREAS COVERED The authors provide an updated review of the research on the development of chemical modulators for PRMTs. Great efforts are seen in screening and designing potent and selective PRMT inhibitors, and a number of micromolar and submicromolar inhibitors have been obtained for key PRMT enzymes such as PRMT1, CARM1, and PRMT5. The authors provide a focus on their chemical structures, mechanism of action, and pharmacological activities. Pros and cons of each type of inhibitors are also discussed. EXPERT OPINION Several key challenging issues exist in PRMT inhibitor discovery. Structural mechanisms of many PRMT inhibitors remain unclear. There lacks consistency in potency data due to divergence of assay methods and conditions. Physiologically relevant cellular assays are warranted. Substantial engagements are needed to investigate pharmacodynamics and pharmacokinetics of the new PRMT inhibitors in pertinent disease models. Discovery and evaluation of potent, isoform-selective, cell-permeable and in vivo-active PRMT modulators will continue to be an active arena of research in years ahead.
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Affiliation(s)
- Hao Hu
- a Department of Pharmaceutical and Biomedical Sciences , The University of Georgia , Athens , GA , USA
| | - Kun Qian
- a Department of Pharmaceutical and Biomedical Sciences , The University of Georgia , Athens , GA , USA
| | - Meng-Chiao Ho
- b Institute of Biological Chemistry , Academia Sinica , Nankang , Taipei , Taiwan
| | - Y George Zheng
- a Department of Pharmaceutical and Biomedical Sciences , The University of Georgia , Athens , GA , USA
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29
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Yang Q, Mas A, Diamond MP, Al-Hendy A. The Mechanism and Function of Epigenetics in Uterine Leiomyoma Development. Reprod Sci 2016; 23:163-75. [PMID: 25922306 PMCID: PMC5933172 DOI: 10.1177/1933719115584449] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Uterine leiomyomas, also known as uterine fibroids, are the most common pelvic tumors, occurring in nearly 70% of all reproductive-aged women and are the leading indication for hysterectomy worldwide. The development of uterine leiomyomas involve a complex and heterogeneous constellation of hormones, growth factors, stem cells, genetic, and epigenetic abnormalities. An increasing body of evidence emphasizes the important contribution of epigenetics in the pathogenesis of leiomyomas. Genome-wide methylation analysis demonstrates that a subset of estrogen receptor (ER) response genes exhibit abnormal hypermethylation levels that are inversely correlated with their RNA expression. Several tumor suppressor genes, including Kruppel-like factor 11 (KLF11), deleted in lung and esophageal cancer 1 (DLEC1), keratin 19 (KRT19), and death-associated protein kinase 1 (DAPK1) also display higher hypermethylation levels in leiomyomas when compared to adjacent normal tissues. The important role of active DNA demethylation was recently identified with regard to the ten-eleven translocation protein 1 and ten-eleven translocation protein 3-mediated elevated levels of 5-hydroxymethylcytosine in leiomyoma. In addition, both histone deacetylase and histone methyltransferase are reported to be involved in the biology of leiomyomas. A number of deregulated microRNAs have been identified in leiomyomas, leading to an altered expression of their targets. More recently, the existence of side population (SP) cells with characteristics of tumor-initiating cells have been characterized in leiomyomas. These SP cells exhibit a tumorigenic capacity in immunodeficient mice when exposed to 17β-estradiol and progesterone, giving rise to fibroid-like tissue in vivo. These new findings will likely enhance our understanding of the crucial role epigenetics plays in the pathogenesis of uterine leiomyomas as well as point the way to novel therapeutic options.
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Affiliation(s)
- Qiwei Yang
- Division of Translation Research, Department of Obstetrics and Gynecology, Georgia Regents University, Medical College of Georgia, Augusta, GA, USA
| | - Aymara Mas
- Division of Translation Research, Department of Obstetrics and Gynecology, Georgia Regents University, Medical College of Georgia, Augusta, GA, USA
| | - Michael P Diamond
- Division of Translation Research, Department of Obstetrics and Gynecology, Georgia Regents University, Medical College of Georgia, Augusta, GA, USA
| | - Ayman Al-Hendy
- Division of Translation Research, Department of Obstetrics and Gynecology, Georgia Regents University, Medical College of Georgia, Augusta, GA, USA
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30
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Successful strategies in the discovery of small-molecule epigenetic modulators with anticancer potential. Future Med Chem 2015; 7:2243-61. [DOI: 10.4155/fmc.15.140] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
As a class, epigenetic enzymes have been identified as clear targets for cancer therapeutics based on their broad hyperactivity in solid and hematological malignancies. The search for effective inhibitors of histone writers and of histone erasers has been a focus of drug discovery efforts both in academic and pharmaceutical laboratories and has led to the identification of some promising leads. This review focuses on the discovery strategies and preclinical evaluation studies of a subset of the more advanced compounds that target histone writers or histone erasers. The specificity and anticancer potential of these small molecules is discussed within the context of their development pipeline.
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31
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Gale M, Yan Q. High-throughput screening to identify inhibitors of lysine demethylases. Epigenomics 2015; 7:57-65. [PMID: 25687466 DOI: 10.2217/epi.14.63] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Lysine demethylases (KDMs) are epigenetic regulators whose dysfunction is implicated in the pathology of many human diseases including various types of cancer, inflammation and X-linked intellectual disability. Particular demethylases have been identified as promising therapeutic targets, and tremendous efforts are being devoted toward developing suitable small-molecule inhibitors for clinical and research use. Several High-throughput screening strategies have been developed to screen for small-molecule inhibitors of KDMs, each with advantages and disadvantages in terms of time, cost, effort, reliability and sensitivity. In this Special Report, we review and evaluate the High-throughput screening methods utilized for discovery of novel small-molecule KDM inhibitors.
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Affiliation(s)
- Molly Gale
- Department of Pathology, Yale School of Medicine, New Haven, 310 Cedar St., BML348C, PO Box 208023, New Haven, CT 06520, USA
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32
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Abstract
Lysine methyltransferase which catalyze methylation of histone and non-histone proteins, play a crucial role in diverse biological processes and has emerged as a promising target for the development of various human diseases, including cancer, inflammation, and psychiatric disorders. However, inhibiting lysine methyltransferases selectively has presented many challenges to medicinal chemists. During the past decade, lysine methyltransferase inhibitors covering many different structural classes have been designed and developed. In this review, we describe the development of selective, small-molecule inhibitors of lysine methyltransferases with an emphasis on their discovery and chemical synthesis. We highlight the current state of lysine methyltransferase inhibitors and discuss future directions and opportunities for lysine methyltransferase inhibitor discovery.
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Affiliation(s)
| | - Tao Ye
- Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic UniversityHung Hom, Hong Kong
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33
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di Luccio E. Inhibition of Nuclear Receptor Binding SET Domain 2/Multiple Myeloma SET Domain by LEM-06 Implication for Epigenetic Cancer Therapies. J Cancer Prev 2015; 20:113-20. [PMID: 26151044 PMCID: PMC4492355 DOI: 10.15430/jcp.2015.20.2.113] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 06/09/2015] [Accepted: 06/09/2015] [Indexed: 12/26/2022] Open
Abstract
Background: Multiple myeloma SET domain (MMSET)/nuclear receptor binding SET domain 2 (NSD2) is a lysine histone methyltransferase (HMTase) and bona fide oncoprotein found aberrantly expressed in several cancers, suggesting potential role for novel therapeutic strategies. In particular, MMSET/NSD2 is emerging as a target for therapeutic interventions against multiple myeloma, especially t(4;14) myeloma that is associated with a significantly worse prognosis than other biological subgroups. Multiple myeloma is the second most common hematological malignancy in the United States, after non-Hodgkin lymphoma and remains an incurable malignancy. Thus, effective therapeutic strategies are greatly needed. HMTases inhibitors are scarce and no NSDs inhibitors have been isolated. Methods: We used homology modeling, molecular modeling simulations, virtual ligand screening, computational chemistry software for structure-activity relationship and performed in vitro H3K36 histone lysine methylation inhibitory assay using recombinant human NSD2-SET and human H3.1 histone. Results: Here, we report the discovery of LEM-06, a hit small molecule inhibitor of NSD2, with an IC50 of 0.8 mM against H3K36 methylation in vitro. Conclusions: We propose LEM-06 as a hit inhibitor that is useful to further optimize for exploring the biology of NSD2. LEM-06 derivatives may pave the way to specific NSD2 inhibitors suitable for therapeutic efforts against malignancies.
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Affiliation(s)
- Eric di Luccio
- School of Applied Biosciences, Kyungpook National University, Daegu, Korea
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34
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Burg JM, Link JE, Morgan BS, Heller FJ, Hargrove AE, McCafferty DG. KDM1 class flavin-dependent protein lysine demethylases. Biopolymers 2015; 104:213-46. [PMID: 25787087 PMCID: PMC4747437 DOI: 10.1002/bip.22643] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Revised: 03/02/2015] [Accepted: 03/07/2015] [Indexed: 12/11/2022]
Abstract
Flavin-dependent, lysine-specific protein demethylases (KDM1s) are a subfamily of amine oxidases that catalyze the selective posttranslational oxidative demethylation of methyllysine side chains within protein and peptide substrates. KDM1s participate in the widespread epigenetic regulation of both normal and disease state transcriptional programs. Their activities are central to various cellular functions, such as hematopoietic and neuronal differentiation, cancer proliferation and metastasis, and viral lytic replication and establishment of latency. Interestingly, KDM1s function as catalytic subunits within complexes with coregulatory molecules that modulate enzymatic activity of the demethylases and coordinate their access to specific substrates at distinct sites within the cell and chromatin. Although several classes of KDM1-selective small molecule inhibitors have been recently developed, these pan-active site inhibition strategies lack the ability to selectively discriminate between KDM1 activity in specific, and occasionally opposing, functional contexts within these complexes. Here we review the discovery of this class of demethylases, their structures, chemical mechanisms, and specificity. Additionally, we review inhibition of this class of enzymes as well as emerging interactions with coregulatory molecules that regulate demethylase activity in highly specific functional contexts of biological and potential therapeutic importance.
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35
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Paschall AV, Yang D, Lu C, Choi JH, Li X, Liu F, Figueroa M, Oberlies NH, Pearce C, Bollag WB, Nayak-Kapoor A, Liu K. H3K9 Trimethylation Silences Fas Expression To Confer Colon Carcinoma Immune Escape and 5-Fluorouracil Chemoresistance. THE JOURNAL OF IMMUNOLOGY 2015; 195:1868-82. [PMID: 26136424 DOI: 10.4049/jimmunol.1402243] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2014] [Accepted: 06/03/2015] [Indexed: 12/21/2022]
Abstract
The Fas-FasL effector mechanism plays a key role in cancer immune surveillance by host T cells, but metastatic human colon carcinoma often uses silencing Fas expression as a mechanism of immune evasion. The molecular mechanism under FAS transcriptional silencing in human colon carcinoma is unknown. We performed genome-wide chromatin immunoprecipitation sequencing analysis and identified that the FAS promoter is enriched with H3K9me3 in metastatic human colon carcinoma cells. The H3K9me3 level in the FAS promoter region is significantly higher in metastatic than in primary cancer cells, and it is inversely correlated with Fas expression level. We discovered that verticillin A is a selective inhibitor of histone methyltransferases SUV39H1, SUV39H2, and G9a/GLP that exhibit redundant functions in H3K9 trimethylation and FAS transcriptional silencing. Genome-wide gene expression analysis identified FAS as one of the verticillin A target genes. Verticillin A treatment decreased H3K9me3 levels in the FAS promoter and restored Fas expression. Furthermore, verticillin A exhibited greater efficacy than decitabine and vorinostat in overcoming colon carcinoma resistance to FasL-induced apoptosis. Verticillin A also increased DR5 expression and overcame colon carcinoma resistance to DR5 agonist drozitumab-induced apoptosis. Interestingly, verticillin A overcame metastatic colon carcinoma resistance to 5-fluorouracil in vitro and in vivo. Using an orthotopic colon cancer mouse model, we demonstrated that tumor-infiltrating cytotoxic T lymphocytes are FasL(+) and that FasL-mediated cancer immune surveillance is essential for colon carcinoma growth control in vivo. Our findings determine that H3K9me3 of the FAS promoter is a dominant mechanism underlying FAS silencing and resultant colon carcinoma immune evasion and progression.
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Affiliation(s)
- Amy V Paschall
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912; Cancer Center, Georgia Regents University, Augusta, GA 30912; Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904
| | - Dafeng Yang
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912
| | - Chunwan Lu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912
| | - Jeong-Hyeon Choi
- Cancer Center, Georgia Regents University, Augusta, GA 30912; Department of Biostatistics and Epidemiology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912
| | - Xia Li
- College of Life Sciences, Zhejiang University, Hangzhou 310027, China
| | - Feiyan Liu
- College of Life Sciences, Zhejiang University, Hangzhou 310027, China;
| | - Mario Figueroa
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402
| | - Nicholas H Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402
| | | | - Wendy B Bollag
- Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904; Department of Physiology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912
| | | | - Kebin Liu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Georgia Regents University, Augusta, GA 30912; Cancer Center, Georgia Regents University, Augusta, GA 30912; Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904;
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Yu XD, Guo ZS. Epigenetic drugs for cancer treatment and prevention: mechanisms of action. Biomol Concepts 2015; 1:239-51. [PMID: 25962000 DOI: 10.1515/bmc.2010.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
This review provides a brief overview of the basic principles of epigenetic gene regulation and then focuses on recent development of epigenetic drugs for cancer treatment and prevention with an emphasis on the molecular mechanisms of action. The approved epigenetic drugs are either inhibitors of DNA methyltransferases or histone deacetylases (HDACs). Future epigenetic drugs could include inhibitors for histone methyltransferases and histone demethylases and other epigenetic enzymes. Epigenetic drugs often function in two separate yet interrelated ways. First, as epigenetic drugs per se, they modulate the epigenomes of premalignant and malignant cells to reverse deregulated epigenetic mechanisms, leading to an effective therapeutic strategy (epigenetic therapy). Second, HDACs and other epigenetic enzymes also target non-histone proteins that have regulatory roles in cell proliferation, migration and cell death. Through these processes, these drugs induce cancer cell growth arrest, cell differentiation, inhibition of tumor angiogenesis, or cell death via apoptosis, necrosis, autophagy or mitotic catastrophe (chemotherapy). As they modulate genes which lead to enhanced chemosensitivity, immunogenicity or dampened innate antiviral response of cancer cells, epigenetic drugs often show better efficacy when combined with chemotherapy, immunotherapy or oncolytic virotherapy. In chemoprevention, dietary phytochemicals such as epigallocatechin-3-gallate and sulforaphane act as epigenetic agents and show efficacy by targeting both cancer cells and the tumor microenvironment. Further understanding of how epigenetic mechanisms function in carcinogenesis and cancer progression as well as in normal physiology will enable us to establish a new paradigm for intelligent drug design in the treatment and prevention of cancer.
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Poisson LM, Munkarah A, Madi H, Datta I, Hensley-Alford S, Tebbe C, Buekers T, Giri S, Rattan R. A metabolomic approach to identifying platinum resistance in ovarian cancer. J Ovarian Res 2015; 8:13. [PMID: 25880539 PMCID: PMC4396147 DOI: 10.1186/s13048-015-0140-8] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 03/09/2015] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Acquisition of metabolic alterations has been shown to be essential for the unremitting growth of cancer, yet the relation of such alterations to chemosensitivity has not been investigated. In the present study our aim was to identify the metabolic alterations that are specifically associated with platinum resistance in ovarian cancer. A global metabolic analysis of the A2780 platinum-sensitive and its platinum-resistant derivative C200 ovarian cancer cell line was performed utilizing ultra-high performance liquid chromatography/mass spectroscopy and gas chromatography/mass spectroscopy. Per-metabolite comparisons were made between cell lines and an interpretive analysis was carried out using the Kyoto Encyclopedia of Genes and Genomes (KEGG) metabolic library and the Ingenuity exogenous molecule library. RESULTS We observed 288 identified metabolites, of which 179 were found to be significantly different (t-test p < 0.05) between A2780 and C200 cells. Of these, 70 had increased and 109 had decreased levels in platinum resistant C200 cells. The top altered KEGG pathways based on number or impact of alterations involved the cysteine and methionine metabolism. An Ingenuity Pathway Analysis also revealed that the methionine degradation super-pathway and cysteine biosynthesis are the top two canonical pathways affected. The highest scoring network of altered metabolites was related to carbohydrate metabolism, energy production, and small molecule biochemistry. Compilation of KEGG analysis and the common network molecules revealed methionine and associated pathways of glutathione synthesis and polyamine biosynthesis to be most significantly altered. CONCLUSION Our findings disclose that the chemoresistant C200 ovarian cancer cells have distinct metabolic alterations that may contribute to its platinum resistance. This distinct metabolic profile of platinum resistance is a first step towards biomarker development for the detection of chemoresistant disease and metabolism-based drug targets specific for chemoresistant tumors.
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Affiliation(s)
- Laila M Poisson
- Center for Bioinformatics, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Josephine Ford Cancer Institute, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Adnan Munkarah
- Josephine Ford Cancer Institute, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Division of Gynecology Oncology, Department of Women's Health Services, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Hala Madi
- Division of Gynecology Oncology, Department of Women's Health Services, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Indrani Datta
- Center for Bioinformatics, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Sharon Hensley-Alford
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Josephine Ford Cancer Institute, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Calvin Tebbe
- Division of Gynecology Oncology, Department of Women's Health Services, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Thomas Buekers
- Division of Gynecology Oncology, Department of Women's Health Services, Henry Ford Hospital, Detroit, MI, 48202, USA.
| | - Shailendra Giri
- Josephine Ford Cancer Institute, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Department of Neurology, Henry Ford Health System, Detroit, MI, 48202, USA.
| | - Ramandeep Rattan
- Josephine Ford Cancer Institute, Henry Ford Hospital, Detroit, MI, 48202, USA. .,Division of Gynecology Oncology, Department of Women's Health Services, Henry Ford Hospital, Detroit, MI, 48202, USA.
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Non-histone protein methylation as a regulator of cellular signalling and function. Nat Rev Mol Cell Biol 2014; 16:5-17. [PMID: 25491103 DOI: 10.1038/nrm3915] [Citation(s) in RCA: 322] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Methylation of Lys and Arg residues on non-histone proteins has emerged as a prevalent post-translational modification and as an important regulator of cellular signal transduction mediated by the MAPK, WNT, BMP, Hippo and JAK-STAT signalling pathways. Crosstalk between methylation and other types of post-translational modifications, and between histone and non-histone protein methylation frequently occurs and affects cellular functions such as chromatin remodelling, gene transcription, protein synthesis, signal transduction and DNA repair. With recent advances in proteomic techniques, in particular mass spectrometry, the stage is now set to decode the methylproteome and define its functions in health and disease.
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Abstract
Mounting evidence suggests that protein methyltransferases (PMTs), which catalyze methylation of histone and nonhistone proteins, play a crucial role in diverse biological processes and human diseases. In particular, PMTs have been recognized as major players in regulating gene expression and chromatin state. PMTs are divided into two categories: protein lysine methyltransferases (PKMTs) and protein arginine methyltransferases (PRMTs). There has been a steadily growing interest in these enzymes as potential therapeutic targets and therefore discovery of PMT inhibitors has also been pursued increasingly over the past decade. Here, we present a perspective on selective, small-molecule inhibitors of PMTs with an emphasis on their discovery, characterization, and applicability as chemical tools for deciphering the target PMTs' physiological functions and involvement in human diseases. We highlight the current state of PMT inhibitors and discuss future directions and opportunities for PMT inhibitor discovery.
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Affiliation(s)
- H Ümit Kaniskan
- Department of Structural and Chemical Biology, ‡Department of Oncological Sciences, §Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai , 1425 Madison Avenue, New York, New York 10029, United States
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Cabezas-Cruz A, Lancelot J, Caby S, Oliveira G, Pierce RJ. Epigenetic control of gene function in schistosomes: a source of therapeutic targets? Front Genet 2014; 5:317. [PMID: 25309576 PMCID: PMC4159997 DOI: 10.3389/fgene.2014.00317] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Accepted: 08/24/2014] [Indexed: 12/31/2022] Open
Abstract
The discovery of the epigenetic regulation of gene expression has revolutionized both our understanding of how genomes function and approaches to the therapy of numerous pathologies. Schistosomes are metazoan parasites and as such utilize most, if not all the epigenetic mechanisms in play in their vertebrate hosts: histone variants, histone tail modifications, non-coding RNA and, perhaps, DNA methylation. Moreover, we are acquiring an increasing understanding of the ways in which these mechanisms come into play during the complex schistosome developmental program. In turn, interest in the actors involved in epigenetic mechanisms, particularly the enzymes that carry out epigenetic modifications of histones or nucleic acid, as therapeutic targets has been stimulated by the finding that their inhibitors exert profound effects, not only on survival, but also on the reproductive function of Schistosoma mansoni. Here, we review our current knowledge, and what we can infer, about the role of epigenetic mechanisms in schistosome development, differentiation and survival. We will consider which epigenetic actors can be targeted for drug discovery and what strategies can be employed to develop potent, selective inhibitors as drugs to cure schistosomiasis.
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Affiliation(s)
- Alejandro Cabezas-Cruz
- Institut National de la Santé et de la Recherche Médicale U1019 – Centre National de la Recherche Scientifique UMR 8204, Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Université de LilleLille, France
| | - Julien Lancelot
- Institut National de la Santé et de la Recherche Médicale U1019 – Centre National de la Recherche Scientifique UMR 8204, Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Université de LilleLille, France
| | - Stéphanie Caby
- Institut National de la Santé et de la Recherche Médicale U1019 – Centre National de la Recherche Scientifique UMR 8204, Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Université de LilleLille, France
| | - Guilherme Oliveira
- Genomics and Computational Biology Group, Fundação Oswaldo Cruz, Center for Excellence in Bioinformatics, Centro de Pesquisas René Rachou, National Institute of Science and Technology in Tropical DiseasesBelo Horizonte, Brazil
| | - Raymond J. Pierce
- Institut National de la Santé et de la Recherche Médicale U1019 – Centre National de la Recherche Scientifique UMR 8204, Center for Infection and Immunity of Lille, Institut Pasteur de Lille, Université de LilleLille, France
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Vianello P, Botrugno OA, Cappa A, Ciossani G, Dessanti P, Mai A, Mattevi A, Meroni G, Minucci S, Thaler F, Tortorici M, Trifiró P, Valente S, Villa M, Varasi M, Mercurio C. Synthesis, biological activity and mechanistic insights of 1-substituted cyclopropylamine derivatives: a novel class of irreversible inhibitors of histone demethylase KDM1A. Eur J Med Chem 2014; 86:352-63. [PMID: 25173853 DOI: 10.1016/j.ejmech.2014.08.068] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/25/2014] [Accepted: 08/26/2014] [Indexed: 11/25/2022]
Abstract
Histone demethylase KDM1A (also known as LSD1) has become an attractive therapeutic target for the treatment of cancer as well as other disorders such as viral infections. We report on the synthesis of compounds derived from the expansion of tranylcypromine as a chemical scaffold for the design of novel demethylase inhibitors. These compounds, which are substituted on the cyclopropyl core moiety, were evaluated for their ability to inhibit KDM1A in vitro as well as to function in cells by modulating the expression of Gfi-1b, a well recognized KDM1A target gene. The molecules were all found to covalently inhibit KDM1A and to become increasingly selective against human monoamine oxidases MAO A and MAO B through the introduction of bulkier substituents on the cyclopropylamine ring. Structural and biochemical analysis of selected trans isomers showed that the two stereoisomers are endowed with similar inhibitory activities against KDM1A, but form different covalent adducts with the FAD co-enzyme.
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Affiliation(s)
- Paola Vianello
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy.
| | - Oronza A Botrugno
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Anna Cappa
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Giuseppe Ciossani
- Department of Biology and Biotechnology, University of Pavia, Via Ferrata 1, 27100 Pavia, Italy
| | - Paola Dessanti
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Antonello Mai
- Pasteur Institute - Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, University "La Sapienza", P.le A. Moro 5, 00185 Roma, Italy
| | - Andrea Mattevi
- Department of Biology and Biotechnology, University of Pavia, Via Ferrata 1, 27100 Pavia, Italy.
| | - Giuseppe Meroni
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Saverio Minucci
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy; Department of Biosciences, University of Milan, Via Celoria, 26, 20133 Milan, Italy
| | - Florian Thaler
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy.
| | - Marcello Tortorici
- Department of Biology and Biotechnology, University of Pavia, Via Ferrata 1, 27100 Pavia, Italy
| | - Paolo Trifiró
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Sergio Valente
- Pasteur Institute - Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, University "La Sapienza", P.le A. Moro 5, 00185 Roma, Italy
| | - Manuela Villa
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Mario Varasi
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
| | - Ciro Mercurio
- Drug Discovery Unit, European Institute of Oncology, Via Adamello 16, 20139 Milan, Italy
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Di Costanzo A, Del Gaudio N, Migliaccio A, Altucci L. Epigenetic drugs against cancer: an evolving landscape. Arch Toxicol 2014; 88:1651-68. [DOI: 10.1007/s00204-014-1315-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Accepted: 07/17/2014] [Indexed: 02/08/2023]
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Guitot K, Scarabelli S, Drujon T, Bolbach G, Amoura M, Burlina F, Jeltsch A, Sagan S, Guianvarc’h D. Label-free measurement of histone lysine methyltransferases activity by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Anal Biochem 2014; 456:25-31. [DOI: 10.1016/j.ab.2014.04.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/02/2014] [Accepted: 04/07/2014] [Indexed: 11/28/2022]
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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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46
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Palma L, Amatori S, Cruz Chamorro I, Fanelli M, Magnani M. Promoter-specific relevance of histone modifications induced by dexamethasone during the regulation of pro-inflammatory mediators. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2014; 1839:571-8. [PMID: 24844181 DOI: 10.1016/j.bbagrm.2014.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 05/07/2014] [Accepted: 05/08/2014] [Indexed: 01/05/2023]
Abstract
Glucocorticosteroids (GCs) are widely used to treat different kinds of chronic inflammatory and immune diseases through transcriptional regulation of inflammatory genes. Modulation of gene expression by GCs is known to occur through diverse mechanisms of varying relevance to specific classes of genes. Epigenetic modifications are indeed a pivotal regulatory feature of glucocorticoid receptor and other transcription factors. In this study, histone post-translational modifications were investigated for their involvement in the regulation of selected pro-inflammatory genes - expressed in human monocyte-derived macrophages - in response to treatment with synthetic GC dexamethasone (DEX). We show that histone tail acetylation status is modified following DEX administration, through distinct and alternative mechanisms at the promoters of interleukin-8 and interleukin-23. In addition to histone H3 acetylation, our results demonstrate that H3 lysine 4 trimethylation is affected following drug treatment.
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Affiliation(s)
- Linda Palma
- Dipartimento di Scienze Biomolecolari, Università degli Studi di Urbino "Carlo Bo", Sezione di Biochimica e Biologia Molecolare "G. Fornaini", Via A. Saffi 2, 61029 Urbino, PU, Italy.
| | - Stefano Amatori
- Dipartimento di Scienze Biomolecolari, Università degli Studi di Urbino "Carlo Bo", Sezione di Biotecnologie, Laboratorio di Patologia Molecolare "M. PaoLa", Via Arco d'Augusto 2, 61032 Fano, PU, Italy
| | - Ivan Cruz Chamorro
- Dipartimento di Scienze Biomolecolari, Università degli Studi di Urbino "Carlo Bo", Sezione di Biochimica e Biologia Molecolare "G. Fornaini", Via A. Saffi 2, 61029 Urbino, PU, Italy
| | - Mirco Fanelli
- Dipartimento di Scienze Biomolecolari, Università degli Studi di Urbino "Carlo Bo", Sezione di Biotecnologie, Laboratorio di Patologia Molecolare "M. PaoLa", Via Arco d'Augusto 2, 61032 Fano, PU, Italy
| | - Mauro Magnani
- Dipartimento di Scienze Biomolecolari, Università degli Studi di Urbino "Carlo Bo", Sezione di Biochimica e Biologia Molecolare "G. Fornaini", Via A. Saffi 2, 61029 Urbino, PU, Italy
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Dimopoulos K, Gimsing P, Grønbæk K. The role of epigenetics in the biology of multiple myeloma. Blood Cancer J 2014; 4:e207. [PMID: 24786391 PMCID: PMC4042299 DOI: 10.1038/bcj.2014.29] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 03/12/2014] [Accepted: 03/31/2014] [Indexed: 12/19/2022] Open
Abstract
Several recent studies have highlighted the biological complexity of multiple myeloma (MM) that arises as a result of several disrupted cancer pathways. Apart from the central role of genetic abnormalities, epigenetic aberrations have also been shown to be important players in the development of MM, and a lot of research during the past decades has focused on the ways DNA methylation, histone modifications and noncoding RNAs contribute to the pathobiology of MM. This has led to, apart from better understanding of the disease biology, the development of epigenetic drugs, such as histone deacetylase inhibitors that are already used in clinical trials in MM with promising results. This review will present the role of epigenetic abnormalities in MM and how these can affect specific pathways, and focus on the potential of novel 'epidrugs' as future treatment modalities for MM.
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Affiliation(s)
- K Dimopoulos
- Department of Hematology, Rigshospitalet, Copenhagen, Denmark
| | - P Gimsing
- Department of Hematology, Rigshospitalet, Copenhagen, Denmark
| | - K Grønbæk
- Department of Hematology, Rigshospitalet, Copenhagen, Denmark
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48
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Lin Y, Dong C, Zhou B. Epigenetic Regulation of EMT: The Snail Story. Curr Pharm Des 2014; 20:1698-705. [DOI: 10.2174/13816128113199990512] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2013] [Accepted: 07/18/2013] [Indexed: 12/22/2022]
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Schmitt ML, Ladwein KI, Carlino L, Schulz-Fincke J, Willmann D, Metzger E, Schilcher P, Imhof A, Schüle R, Sippl W, Jung M. Heterogeneous Antibody-Based Activity Assay for Lysine Specific Demethylase 1 (LSD1) on a Histone Peptide Substrate. ACTA ACUST UNITED AC 2014; 19:973-8. [PMID: 24687155 DOI: 10.1177/1087057114529156] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 02/27/2014] [Indexed: 11/17/2022]
Abstract
Posttranslational modifications of histone tails are very important for epigenetic gene regulation. The lysine-specific demethylase LSD1 (KDM1A/AOF2) demethylates in vitro predominantly mono- and dimethylated lysine 4 on histone 3 (H3K4) and is a promising target for drug discovery. We report a heterogeneous antibody-based assay, using dissociation-enhanced lanthanide fluorescent immunoassay (DELFIA) for the detection of LSD1 activity. We used a biotinylated histone 3 peptide (amino acids 1-21) with monomethylated lysine 4 (H3K4me) as the substrate for the detection of LSD1 activity with antibody-mediated quantitation of the demethylated product. We have successfully used the assay to measure the potency of reference inhibitors. The advantage of the heterogeneous format is shown with cumarin-based LSD1 inhibitor candidates that we have identified using virtual screening. They had shown good potency in an established LSD1 screening assay. The new heterogeneous assay identified them as false positives, which was verified using mass spectrometry.
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Affiliation(s)
- Martin L Schmitt
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University of Freiburg, Freiburg, Germany
| | - Kathrin I Ladwein
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University of Freiburg, Freiburg, Germany
| | - Luca Carlino
- Institute of Pharmacy, Martin-Luther-University of Halle-Wittenberg, Halle, Germany
| | - Johannes Schulz-Fincke
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University of Freiburg, Freiburg, Germany German Cancer Consortium (DKTK), Heidelberg, Germany German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Dominica Willmann
- Department of Urology/Women's Hospital and Center for Clinical Research, University of Freiburg Medical Center, Freiburg, Germany
| | - Eric Metzger
- Department of Urology/Women's Hospital and Center for Clinical Research, University of Freiburg Medical Center, Freiburg, Germany
| | - Pierre Schilcher
- Adolf-Butenandt Institute and Munich Center of Integrated protein science (CIPS), Ludwig Maximilians University of Munich, Munich, Germany
| | - Axel Imhof
- Adolf-Butenandt Institute and Munich Center of Integrated protein science (CIPS), Ludwig Maximilians University of Munich, Munich, Germany
| | - Roland Schüle
- Department of Urology/Women's Hospital and Center for Clinical Research, University of Freiburg Medical Center, Freiburg, Germany
| | - Wolfgang Sippl
- Institute of Pharmacy, Martin-Luther-University of Halle-Wittenberg, Halle, Germany
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University of Freiburg, Freiburg, Germany
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50
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Serine and glycine metabolism in cancer. Trends Biochem Sci 2014; 39:191-8. [PMID: 24657017 PMCID: PMC3989988 DOI: 10.1016/j.tibs.2014.02.004] [Citation(s) in RCA: 706] [Impact Index Per Article: 70.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 02/10/2014] [Accepted: 02/11/2014] [Indexed: 12/11/2022]
Abstract
Serine and glycine are biosynthetically linked, and together provide the essential precursors for the synthesis of proteins, nucleic acids, and lipids that are crucial to cancer cell growth. Moreover, serine/glycine biosynthesis also affects cellular antioxidative capacity, thus supporting tumour homeostasis. A crucial contribution of serine/glycine to cellular metabolism is through the glycine cleavage system, which refuels one-carbon metabolism; a complex cyclic metabolic network based on chemical reactions of folate compounds. The importance of serine/glycine metabolism is further highlighted by genetic and functional evidence indicating that hyperactivation of the serine/glycine biosynthetic pathway drives oncogenesis. Recent developments in our understanding of these pathways provide novel translational opportunities for drug development, dietary intervention, and biomarker identification of human cancers.
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