1
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Portelinha A, Wang S, Parsa S, Jiang M, Gorelick AN, Mohanty S, Sharma S, de Stanchina E, Berishaj M, Zhao C, Heward J, Aryal NK, Tavana O, Wen J, Fitzgibbon J, Dogan A, Younes A, Melnick AM, Wendel HG. SETD1B mutations confer apoptosis resistance and BCL2 independence in B cell lymphoma. J Exp Med 2024; 221:e20231143. [PMID: 39235528 DOI: 10.1084/jem.20231143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 03/05/2024] [Accepted: 08/02/2024] [Indexed: 09/06/2024] Open
Abstract
The translocation t(14;18) activates BCL2 and is considered the initiating genetic lesion in most follicular lymphomas (FL). Surprisingly, FL patients fail to respond to the BCL2 inhibitor, Venetoclax. We show that mutations and deletions affecting the histone lysine methyltransferase SETD1B (KMT2G) occur in 7% of FLs and 16% of diffuse large B cell lymphomas (DLBCL). Deficiency in SETD1B confers striking resistance to Venetoclax and an experimental MCL-1 inhibitor. SETD1B also acts as a tumor suppressor and cooperates with the loss of KMT2D in lymphoma development in vivo. Consistently, loss of SETD1B in human lymphomas typically coincides with loss of KMT2D. Mechanistically, SETD1B is required for the expression of several proapoptotic BCL2 family proteins. Conversely, inhibitors of the KDM5 histone H3K4 demethylases restore BIM and BIK expression and synergize with Venetoclax in SETD1B-deficient lymphomas. These results establish SETD1B as an epigenetic regulator of cell death and reveal a pharmacological strategy to augment Venetoclax sensitivity in lymphoma.
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MESH Headings
- Animals
- Humans
- Mice
- Apoptosis/genetics
- Bridged Bicyclo Compounds, Heterocyclic/pharmacology
- Cell Line, Tumor
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Drug Resistance, Neoplasm/genetics
- Histone-Lysine N-Methyltransferase/genetics
- Histone-Lysine N-Methyltransferase/metabolism
- Lymphoma, B-Cell/genetics
- Lymphoma, B-Cell/pathology
- Lymphoma, B-Cell/metabolism
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/pathology
- Lymphoma, Large B-Cell, Diffuse/metabolism
- Mutation
- Neoplasm Proteins/genetics
- Neoplasm Proteins/metabolism
- Proto-Oncogene Proteins c-bcl-2/genetics
- Proto-Oncogene Proteins c-bcl-2/metabolism
- Sulfonamides/pharmacology
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Affiliation(s)
- Ana Portelinha
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Shenqiu Wang
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Sara Parsa
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Man Jiang
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Alexander N Gorelick
- Human Oncology and Pathogenesis Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
- Department of Genetics, Harvard Medical School, Boston, MA, USA
| | - Sagarajit Mohanty
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Soumya Sharma
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA
| | - Elisa de Stanchina
- Antitumor Assessment Core, Memorial Sloan Kettering Cancer Center , New York, NY, USA
| | - Marjan Berishaj
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | - Chunying Zhao
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
| | | | - Neeraj K Aryal
- Bioscience, Early Oncology R&D, AstraZeneca , Waltham, MA, USA
| | - Omid Tavana
- Bioscience, Early Oncology R&D, AstraZeneca , Waltham, MA, USA
| | - Jiayu Wen
- Division of Genome Sciences and Cancer, The John Curtin School of Medical Research, The Australian National University and Australian Research Council Centre of Excellence for the Mathematical Analysis of Cellular Systems, Canberra, Australia
| | | | - Ahmet Dogan
- Departments of Pathology and Laboratory Medicine, Hematopathology Service, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - Anas Younes
- Haematology R&D, AstraZeneca , New York, NY, USA
| | - Ari M Melnick
- Hematology and Oncology Division, Medicine Department, New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
| | - Hans-Guido Wendel
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center , New York, NY, USA
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2
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He J, Qiu Z, Fan J, Xie X, Sheng Q, Sui X. Drug tolerant persister cell plasticity in cancer: A revolutionary strategy for more effective anticancer therapies. Signal Transduct Target Ther 2024; 9:209. [PMID: 39138145 PMCID: PMC11322379 DOI: 10.1038/s41392-024-01891-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 05/21/2024] [Accepted: 06/03/2024] [Indexed: 08/15/2024] Open
Abstract
Non-genetic mechanisms have recently emerged as important drivers of anticancer drug resistance. Among these, the drug tolerant persister (DTP) cell phenotype is attracting more and more attention and giving a predominant non-genetic role in cancer therapy resistance. The DTP phenotype is characterized by a quiescent or slow-cell-cycle reversible state of the cancer cell subpopulation and inert specialization to stimuli, which tolerates anticancer drug exposure to some extent through the interaction of multiple underlying mechanisms and recovering growth and proliferation after drug withdrawal, ultimately leading to treatment resistance and cancer recurrence. Therefore, targeting DTP cells is anticipated to provide new treatment opportunities for cancer patients, although our current knowledge of these DTP cells in treatment resistance remains limited. In this review, we provide a comprehensive overview of the formation characteristics and underlying drug tolerant mechanisms of DTP cells, investigate the potential drugs for DTP (including preclinical drugs, novel use for old drugs, and natural products) based on different medicine models, and discuss the necessity and feasibility of anti-DTP therapy, related application forms, and future issues that will need to be addressed to advance this emerging field towards clinical applications. Nonetheless, understanding the novel functions of DTP cells may enable us to develop new more effective anticancer therapy and improve clinical outcomes for cancer patients.
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Affiliation(s)
- Jun He
- Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Zejing Qiu
- Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Jingjing Fan
- Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Xiaohong Xie
- Department of Breast Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Qinsong Sheng
- Department of Colorectal Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Xinbing Sui
- Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China.
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China.
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3
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Liu J, Tang L, Chu W, Wei L. Cellular Retinoic Acid Binding Protein 2 (CRABP2), Up-regulated by HPV E6/E7, Leads to Aberrant Activation of the Integrin β1/FAK/ERK Signaling Pathway and Aggravates the Malignant Phenotypes of Cervical Cancer. Biochem Genet 2024; 62:2686-2701. [PMID: 38001389 DOI: 10.1007/s10528-023-10568-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 10/26/2023] [Indexed: 11/26/2023]
Abstract
The ectopic expression of cellular retinoic acid binding protein 2 (CRABP2) is associated with various tumorigenesis. However, the effects of CRABP2 on the progression of cervical cancer are still unclear. The current study aimed to investigate the role of CRABP2 in the malignant phenotypes of cervical cancer cells. CRABP2 was artificially regulated in CaSki, SiHa, and C-33A cells. CCK-8 assay and flow cytometry were used to assess the cell proliferation and apoptosis abilities, respectively. Wound healing assay and transwell assay were employed to measure the cell migration and invasion abilities, respectively. The results showed that CRABP2 was highly expressed in cervical carcinoma tissues and cell lines, and its high expression was associated with poor overall survival. Knockdown of CRABP2 promoted the cell apoptosis and inhibited cell proliferation, migration, and invasion in cervical carcinoma cells, whereas CRABP2 overexpression exhibited the opposite results. Mechanically, CRABP2 silencing suppressed the Integrin β1/FAK/ERK signaling via HuR. Treatment with siITGB1 or a FAK inhibitor PF-562271 or an ERK inhibitor FR180204 reversed the promoting effects of CRABP2 on cell proliferation, migration, and invasion. Moreover, the overexpression of CRABP2 reverted the HPV16 E6/E7 knockdown-induced inhibition of cell proliferation, migration, and invasion in cervical cancer cells. These results suggested that HPV16 E6/E7 promoted the malignant phenotypes of cervical cancer by upregulating the expression of CRABP2. In conclusion, CRABP2, upregulated by HPV E6/E7, promoted the progression of cervical cancer through activating the Integrin β1/FAK/ERK signaling pathway via HuR.
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Affiliation(s)
- Jiaxin Liu
- School of Medical Technology, Taizhou Polytechnic College, Taizhou, Jiangsu, 225300, China
- Harbin Medical University, Immunity and Infection, Pathogenic Biology Key Laboratory, Heilongjiang, 150081, China
| | - Lu Tang
- Harbin Medical University, Immunity and Infection, Pathogenic Biology Key Laboratory, Heilongjiang, 150081, China
| | - Wenzhu Chu
- Department of Dermatology, Hongqi Hospital, Mudanjiang Medical University, Heilongjiang, 157001, China
| | - Lanlan Wei
- National Clinical Research Center for Infectious Diseases; Institute for Hepatology, The Third People's Hospital of Shenzhen; The Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen, Guangdong, 518000, China.
- Harbin Medical University, Immunity and Infection, Pathogenic Biology Key Laboratory, Heilongjiang, 150081, China.
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4
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Gunn K, Losman JA. Isocitrate Dehydrogenase Mutations in Cancer: Mechanisms of Transformation and Metabolic Liability. Cold Spring Harb Perspect Med 2024; 14:a041537. [PMID: 38191174 PMCID: PMC11065172 DOI: 10.1101/cshperspect.a041537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) are metabolic enzymes that interconvert isocitrate and 2-oxoglutarate (2OG). Gain-of-function mutations in IDH1 and IDH2 occur in a number of cancers, including acute myeloid leukemia, glioma, cholangiocarcinoma, and chondrosarcoma. These mutations cripple the wild-type activity of IDH and cause the enzymes to catalyze a partial reverse reaction in which 2OG is reduced but not carboxylated, resulting in production of the (R)-enantiomer of 2-hydroxyglutarate ((R)-2HG). (R)-2HG accumulation in IDH-mutant tumors results in profound dysregulation of cellular metabolism. The most well-characterized oncogenic effects of (R)-2HG involve the dysregulation of 2OG-dependent epigenetic tumor-suppressor enzymes. However, (R)-2HG has many other effects in IDH-mutant cells, some that promote transformation and others that induce metabolic dependencies. Herein, we review how cancer-associated IDH mutations impact epigenetic regulation and cellular metabolism and discuss how these effects can potentially be leveraged to therapeutically target IDH-mutant tumors.
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Affiliation(s)
- Kathryn Gunn
- Division of Molecular and Cellular Oncology, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
| | - Julie-Aurore Losman
- Division of Molecular and Cellular Oncology, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, USA
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA
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5
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Ortiz G, Longbotham JE, Qin SL, Zhang MY, Lee GM, Neitz RJ, Kelly MJS, Arkin MR, Fujimori DG. Identifying ligands for the PHD1 finger of KDM5A through high-throughput screening. RSC Chem Biol 2024; 5:209-215. [PMID: 38456036 PMCID: PMC10915964 DOI: 10.1039/d3cb00214d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 12/18/2023] [Indexed: 03/09/2024] Open
Abstract
PHD fingers are a type of chromatin reader that primarily recognize chromatin as a function of lysine methylation state. Dysregulated PHD fingers are implicated in various human diseases, including acute myeloid leukemia. Targeting PHD fingers with small molecules is considered challenging as their histone tail binding pockets are often shallow and surface-exposed. The KDM5A PHD1 finger regulates the catalytic activity of KDM5A, an epigenetic enzyme often misregulated in cancers. To identify ligands that disrupt the PHD1-histone peptide interaction, we conducted a high-throughput screen and validated hits by orthogonal methods. We further elucidated structure-activity relationships in two classes of compounds to identify features important for binding. Our investigation offers a starting point for further optimization of small molecule PHD1 ligands.
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Affiliation(s)
- Gloria Ortiz
- Department of Cellular and Molecular Pharmacology, University of California San Francisco San Francisco CA 94158 USA
| | - James E Longbotham
- Department of Cellular and Molecular Pharmacology, University of California San Francisco San Francisco CA 94158 USA
| | - Sophia L Qin
- Department of Cellular and Molecular Pharmacology, University of California San Francisco San Francisco CA 94158 USA
| | - Meng Yao Zhang
- Department of Cellular and Molecular Pharmacology, University of California San Francisco San Francisco CA 94158 USA
| | - Gregory M Lee
- Small Molecule Discovery Center (SMDC), University of California San Francisco San Francisco CA 94158 USA
- Department of Pharmaceutical Chemistry, University of California San Francisco San Francisco CA 94158 USA
| | - R Jeffrey Neitz
- Small Molecule Discovery Center (SMDC), University of California San Francisco San Francisco CA 94158 USA
- Department of Pharmaceutical Chemistry, University of California San Francisco San Francisco CA 94158 USA
| | - Mark J S Kelly
- Department of Pharmaceutical Chemistry, University of California San Francisco San Francisco CA 94158 USA
| | - Michelle R Arkin
- Small Molecule Discovery Center (SMDC), University of California San Francisco San Francisco CA 94158 USA
- Department of Pharmaceutical Chemistry, University of California San Francisco San Francisco CA 94158 USA
| | - Danica Galonić Fujimori
- Department of Cellular and Molecular Pharmacology, University of California San Francisco San Francisco CA 94158 USA
- Department of Pharmaceutical Chemistry, University of California San Francisco San Francisco CA 94158 USA
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6
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Jawarkar RD, Zaki MEA, Al-Hussain SA, Al-Mutairi AA, Samad A, Masand V, Humane V, Mali S, Alzahrani AYA, Rashid S, Elossaily GM. Mechanistic QSAR modeling derived virtual screening, drug repurposing, ADMET and in- vitro evaluation to identify anticancer lead as lysine-specific demethylase 5a inhibitor. J Biomol Struct Dyn 2024:1-31. [PMID: 38385447 DOI: 10.1080/07391102.2024.2319104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 02/11/2024] [Indexed: 02/23/2024]
Abstract
A lysine-specific demethylase is an enzyme that selectively eliminates methyl groups from lysine residues. KDM5A, also known as JARID1A or RBP2, belongs to the KDM5 Jumonji histone demethylase subfamily. To identify novel molecules that interact with the LSD5A receptor, we created a quantitative structure-activity relationship (QSAR) model. A group of 435 compounds was used in a study of the quantitative relationship between structure and activity to guess the IC50 values for blocking LASD5A. We used a genetic algorithm-multilinear regression-based quantitative structure-activity connection model to forecast the bioactivity (PIC50) of 1615 food and drug administration pharmaceuticals from the zinc database with the goal of repurposing clinically used medications. We used molecular docking, molecular dynamic simulation modelling, and molecular mechanics generalised surface area analysis to investigate the molecule's binding mechanism. A genetic algorithm and multi-linear regression method were used to make six variable-based quantitative structure-activity relationship models that worked well (R2 = 0.8521, Q2LOO = 0.8438, and Q2LMO = 0.8414). ZINC000000538621 was found to be a new hit against LSD5A after a quantitative structure-activity relationship-based virtual screening of 1615 zinc food and drug administration compounds. The docking analysis revealed that the hit molecule 11 in the KDM5A binding pocket adopted a conformation similar to the pdb-6bh1 ligand (docking score: -8.61 kcal/mol). The results from molecular docking and the quantitative structure-activity relationship were complementary and consistent. The most active lead molecule 11, which has shown encouraging results, has good absorption, distribution, metabolism, and excretion (ADME) properties, and its toxicity has been shown to be minimal. In addition, the MTT assay of ZINC000000538621 with MCF-7 cell lines backs up the in silico studies. We used molecular mechanics generalise borne surface area analysis and a 200-ns molecular dynamics simulation to find structural motifs for KDM5A enzyme interactions. Thus, our strategy will likely expand food and drug administration molecule repurposing research to find better anticancer drugs and therapies.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Rahul D Jawarkar
- Department of Medicinal Chemistry and Drug discovery, Dr. Rajendra Gode Institute of Pharmacy, Amravati, Maharashtra, India
| | - Magdi E A Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Sami A Al-Hussain
- Department of Chemistry, Faculty of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Aamal A Al-Mutairi
- Department of Chemistry, Faculty of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Abdul Samad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region, Iraq
| | - Vijay Masand
- Department of Chemistry, Amravati, Maharashtra, India
| | - Vivek Humane
- Department of Chemistry, Shri R. R. Lahoti Science college, Morshi District: Amravati, Maharashtra, India
| | - Suraj Mali
- School of Pharmacy, D.Y. Patil University (Deemed to be University), Nerul, Navi Mumbai, India
| | | | - Summya Rashid
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Gehan M Elossaily
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia
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7
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Su C, Mo J, Dong S, Liao Z, Zhang B, Zhu P. Integrinβ-1 in disorders and cancers: molecular mechanisms and therapeutic targets. Cell Commun Signal 2024; 22:71. [PMID: 38279122 PMCID: PMC10811905 DOI: 10.1186/s12964-023-01338-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/27/2023] [Indexed: 01/28/2024] Open
Abstract
Integrinβ-1 (ITGB1) is a crucial member of the transmembrane glycoprotein signaling receptor family and is also central to the integrin family. It forms heterodimers with other ligands, participates in intracellular signaling and controls a variety of cellular processes, such as angiogenesis and the growth of neurons; because of its role in bidirectional signaling regulation both inside and outside the membrane, ITGB1 must interact with a multitude of substances, so a variety of interfering factors can affect ITGB1 and lead to changes in its function. Over the past 20 years, many studies have confirmed a clear causal relationship between ITGB1 dysregulation and cancer development and progression in a wide range of benign diseases and solid tumor types, which may imply that ITGB1 is a prognostic biomarker and a therapeutic target for cancer treatment that warrants further investigation. This review summarizes the biological roles of ITGB1 in benign diseases and cancers, and compiles the current status of ITGB1 function and therapy in various aspects of tumorigenesis and progression. Finally, future research directions and application prospects of ITGB1 are suggested. Video Abstract.
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Affiliation(s)
- Chen Su
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China
| | - Jie Mo
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China
| | - Shuilin Dong
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China
| | - Zhibin Liao
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China.
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China.
| | - Bixiang Zhang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China.
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, People's Republic of China.
| | - Peng Zhu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, Hubei, People's Republic of China.
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, Hubei, People's Republic of China.
- Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, People's Republic of China.
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8
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Kataria A, Tyagi S. Domain architecture and protein-protein interactions regulate KDM5A recruitment to the chromatin. Epigenetics 2023; 18:2268813. [PMID: 37838974 PMCID: PMC10578193 DOI: 10.1080/15592294.2023.2268813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 10/01/2023] [Indexed: 10/17/2023] Open
Abstract
Tri-methylation of Histone 3 lysine 4 (H3K4) is an important epigenetic modification whose deposition and removal can affect the chromatin at structural and functional levels. KDM5A is one of the four known H3K4-specific demethylases. It is a part of the KDM5 family, which is characterized by a catalytic Jumonji domain capable of removing H3K4 di- and tri-methylation marks. KDM5A has been found to be involved in multiple cellular processes such as differentiation, metabolism, cell cycle, and transcription. Its link to various diseases, including cancer, makes KDM5A an important target for drug development. However, despite several studies outlining its significance in various pathways, our lack of understanding of its recruitment and function at the target sites on the chromatin presents a challenge in creating effective and targeted treatments. Therefore, it is essential to understand the recruitment mechanism of KDM5A to chromatin, and its activity therein, to comprehend how various roles of KDM5A are regulated. In this review, we discuss how KDM5A functions in a context-dependent manner on the chromatin, either directly through its structural domain, or through various interacting partners, to bring about a diverse range of functions.
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Affiliation(s)
- Avishek Kataria
- Laboratory of Cell Cycle Regulation, Centre for DNA Fingerprinting and Diagnostics, Hyderabad, India
- Graduate Studies, Manipal Academy of Higher Education, Manipal, India
| | - Shweta Tyagi
- Laboratory of Cell Cycle Regulation, Centre for DNA Fingerprinting and Diagnostics, Hyderabad, India
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9
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Liu Y, Li H, Zeng T, Wang Y, Zhang H, Wan Y, Shi Z, Cao R, Tang H. Integrated bulk and single-cell transcriptomes reveal pyroptotic signature in prognosis and therapeutic options of hepatocellular carcinoma by combining deep learning. Brief Bioinform 2023; 25:bbad487. [PMID: 38197309 PMCID: PMC10777172 DOI: 10.1093/bib/bbad487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/22/2023] [Accepted: 11/30/2023] [Indexed: 01/11/2024] Open
Abstract
Although some pyroptosis-related (PR) prognostic models for cancers have been reported, pyroptosis-based features have not been fully discovered at the single-cell level in hepatocellular carcinoma (HCC). In this study, by deeply integrating single-cell and bulk transcriptome data, we systematically investigated significance of the shared pyroptotic signature at both single-cell and bulk levels in HCC prognosis. Based on the pyroptotic signature, a robust PR risk system was constructed to quantify the prognostic risk of individual patient. To further verify capacity of the pyroptotic signature on predicting patients' prognosis, an attention mechanism-based deep neural network classification model was constructed. The mechanisms of prognostic difference in the patients with distinct PR risk were dissected on tumor stemness, cancer pathways, transcriptional regulation, immune infiltration and cell communications. A nomogram model combining PR risk with clinicopathologic data was constructed to evaluate the prognosis of individual patients in clinic. The PR risk could also evaluate therapeutic response to neoadjuvant therapies in HCC patients. In conclusion, the constructed PR risk system enables a comprehensive assessment of tumor microenvironment characteristics, accurate prognosis prediction and rational therapeutic options in HCC.
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Affiliation(s)
- Yang Liu
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Hanlin Li
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Tianyu Zeng
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Yang Wang
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Hongqi Zhang
- School of Life Science and Technology, Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Ying Wan
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
| | - Zheng Shi
- Clinical Genetics Laboratory, Clinical Medical College & Affiliated Hospital, Chengdu University, Chengdu 610106, China
| | - Renzhi Cao
- Department of Computer Science, Pacific Lutheran University, Tacoma, Washington 98447, USA
| | - Hua Tang
- School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China
- Basic Medicine Research Innovation Center for Cardiometabolic Diseases,Ministry of Education, Luzhou 646000, China
- Medical Engineering & Medical Informatics Integration and Transformational Medicine Key Laboratory of Luzhou City, Luzhou 646000, China
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10
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Zhang C, He Y, Sun X, Wei W, Liu Y, Rao Y. PROTACs Targeting Epigenetic Proteins. ACTA MATERIA MEDICA 2023; 2:409-429. [PMID: 39221114 PMCID: PMC11364368 DOI: 10.15212/amm-2023-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Epigenetics, a field that investigates alterations in gene function that can be inherited without changes in DNA sequence, encompasses molecular pathways such as histone variants, posttranslational modifications of amino acids, and covalent modifications of DNA bases. These pathways modulate the transformation of genotypes into specific phenotypes. Epigenetics plays a substantial role in cell growth, development, and differentiation by dynamically regulating gene transcription and ensuring genomic stability. This regulation is carried out by three key players: writers, readers, and erasers. In recent years, epigenetic proteins have played a crucial role in epigenetic regulation and have gradually become important targets in drug research and development. Targeted therapy is an essential strategy; however, the effectiveness of targeted drugs is often limited by drug resistance, posing a significant dilemma in clinical practice. Targeted protein degradation technologies, including proteolysis-targeting chimeras (PROTACs), have great potential in overcoming drug resistance and targeting undruggable targets. These areas of research are gaining increasing attention to various epigenetic related disease. In this review, we have provided a summary of the recently developed degraders targeting epigenetic readers, writers, and erasers. Additionally, we have outlined new applications for epigenetic protein degraders. Finally, we have addressed several unresolved challenges within the PROTAC field and offered potential solutions from our perspective. As the field continues to advance, the integration of these innovative methodologies holds great promise for addressing the challenges associated with PROTAC development.
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Affiliation(s)
- Chao Zhang
- Changping Laboratory, Beijing 102206, China
| | - Yuna He
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Xiuyun Sun
- Changping Laboratory, Beijing 102206, China
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Yanlong Liu
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Yu Rao
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Changping Laboratory, Beijing 102206, China
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11
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Longbotham JE, Kelly MJS, Fujimori DG. Recognition of Histone H3 Methylation States by the PHD1 Domain of Histone Demethylase KDM5A. ACS Chem Biol 2023; 18:1915-1925. [PMID: 33621062 PMCID: PMC8380758 DOI: 10.1021/acschembio.0c00976] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PHD reader domains are chromatin binding modules often responsible for the recruitment of large protein complexes that contain histone modifying enzymes, chromatin remodelers, and DNA repair machinery. A majority of PHD domains recognize N-terminal residues of histone H3 and are sensitive to the methylation state of Lys4 in histone H3 (H3K4). Histone demethylase KDM5A, an epigenetic eraser enzyme that contains three PHD domains, is often overexpressed in various cancers, and its demethylation activity is allosterically enhanced when its PHD1 domain is bound to the H3 tail. The allosteric regulatory function of PHD1 expands roles of reader domains, suggesting unique features of this chromatin interacting module. Our previous studies determined the H3 binding site of PHD1, although it remains unclear how the H3 tail interacts with the N-terminal residues of PHD1 and how PHD1 discriminates against H3 tails with varying degrees of H3K4 methylation. Here, we have determined the solution structure of apo and H3 bound PHD1. We observe conformational changes occurring in PHD1 in order to accommodate H3, which interestingly binds in a helical conformation. We also observe differential interactions of binding residues with differently methylated H3K4 peptides (me0, me1, me2, or me3), providing a rationale for PHD1's preference for lower methylation states of H3K4. We further assessed the contributions of various H3 interacting residues in the PHD1 domain to the binding of H3 peptides. The structural details of the H3 binding site could provide useful information to aid the development of allosteric small molecule modulators of KDM5A.
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Affiliation(s)
- James E Longbotham
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
| | - Mark J S Kelly
- Department of Pharmaceutical Chemistry, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
| | - Danica Galonić Fujimori
- Department of Cellular and Molecular Pharmacology, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
- Department of Pharmaceutical Chemistry, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
- Quantitative Biosciences Institute, University of California San Francisco, 1700 Fourth Street, San Francisco, California 94158, United States
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12
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Li S, He J, Liao X, He Y, Chen R, Chen J, Hu S, Sun J. Fbxo22 inhibits metastasis in triple-negative breast cancer through ubiquitin modification of KDM5A and regulation of H3K4me3 demethylation. Cell Biol Toxicol 2023; 39:1641-1655. [PMID: 36112263 PMCID: PMC10425479 DOI: 10.1007/s10565-022-09754-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 08/17/2022] [Indexed: 11/24/2022]
Abstract
The importance of Fbxo22 in carcinogenesis has been highly documented. Here, we discussed downstream regulatory factors of Fbxo22 in TNBC. RNA-sequencing was conducted for identifying differentially expressed genes, followed by construction of a regulatory network. Expression patterns of Fbxo22/KDM5A in TNBC were determined by their correlation with the prognosis analyzed. Then, regulation mechanisms between Fbxo22 and KDM5A as well as between KDM5A and H3K4me3 were assayed. After silencing and overexpression experiments, the significance of Fbxo22 in repressing tumorigenesis in vitro and in vivo was explored. Fbxo22 was poorly expressed, while KDM5A was highly expressed in TNBC. Patients with elevated Fbxo22, decreased KDM5A, or higher p16 had long overall survival. Fbxo22 reduced the levels of KDM5A by ubiquitination. KDM5A promoted histone H3K4me3 demethylation to downregulate p16 expression. Fbxo22 reduced KDM5A expression to enhance p16, thus inducing DNA damage as well as reducing tumorigenesis and metastasis in TNBC. Our study validated FBXO22 as a tumor suppressor in TNBC through ubiquitination of KDM5A and regulation of p16.
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Affiliation(s)
- Siqiaozhi Li
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen, 518057, People's Republic of China
- Shenzhen Beike Biotechnology Research Institute, Shenzhen, 518057, People's Republic of China
| | - Jinsong He
- Department of Breast Surgery, Shenzhen Hospital of Peking University, Shenzhen, 518057, People's Republic of China
| | - Xin Liao
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen, 518057, People's Republic of China
| | - Yixuan He
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen, 518057, People's Republic of China
| | - Rui Chen
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen, 518057, People's Republic of China
| | - Junhui Chen
- Intervention and Cell Therapy Center, Shenzhen Hospital of Peking University, No. 1120, Lianhua Road, Shenzhen, 518057, Guangdong Province, People's Republic of China
| | - Sean Hu
- Shenzhen Beike Biotechnology Research Institute, Shenzhen, 518057, People's Republic of China
| | - Jia Sun
- Shenzhen Toyon Biotechnology Co., Ltd, Shenzhen, 518057, People's Republic of China.
- Intervention and Cell Therapy Center, Shenzhen Hospital of Peking University, No. 1120, Lianhua Road, Shenzhen, 518057, Guangdong Province, People's Republic of China.
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13
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Kravitz CJ, Yan Q, Nguyen DX. Epigenetic markers and therapeutic targets for metastasis. Cancer Metastasis Rev 2023; 42:427-443. [PMID: 37286865 PMCID: PMC10595046 DOI: 10.1007/s10555-023-10109-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/19/2023] [Indexed: 06/09/2023]
Abstract
The last few years have seen an increasing number of discoveries which collectively demonstrate that histone and DNA modifying enzyme modulate different stages of metastasis. Moreover, epigenomic alterations can now be measured at multiple scales of analysis and are detectable in human tumors or liquid biopsies. Malignant cell clones with a proclivity for relapse in certain organs may arise in the primary tumor as a consequence of epigenomic alterations which cause a loss in lineage integrity. These alterations may occur due to genetic aberrations acquired during tumor progression or concomitant to therapeutic response. Moreover, evolution of the stroma can also alter the epigenome of cancer cells. In this review, we highlight current knowledge with a particular emphasis on leveraging chromatin and DNA modifying mechanisms as biomarkers of disseminated disease and as therapeutic targets to treat metastatic cancers.
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Affiliation(s)
- Carolyn J Kravitz
- Department of Pathology, Yale School of Medicine, New Haven, CT, 06520, USA
| | - Qin Yan
- Department of Pathology, Yale School of Medicine, New Haven, CT, 06520, USA.
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, 06520, USA.
- Yale Stem Cell Center, Yale School of Medicine, New Haven, CT, 06520, USA.
- Yale Center for Immuno-Oncology, Yale School of Medicine, New Haven, CT, 06520, USA.
| | - Don X Nguyen
- Department of Pathology, Yale School of Medicine, New Haven, CT, 06520, USA.
- Yale Cancer Center, Yale School of Medicine, New Haven, CT, 06520, USA.
- Yale Stem Cell Center, Yale School of Medicine, New Haven, CT, 06520, USA.
- Department of Internal Medicine (Section of Medical Oncology), Yale School of Medicine, New Haven, CT, 06520, USA.
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Sahafnejad Z, Ramazi S, Allahverdi A. An Update of Epigenetic Drugs for the Treatment of Cancers and Brain Diseases: A Comprehensive Review. Genes (Basel) 2023; 14:genes14040873. [PMID: 37107631 PMCID: PMC10137918 DOI: 10.3390/genes14040873] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/28/2022] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Epigenetics has long been recognized as a significant field in biology and is defined as the investigation of any alteration in gene expression patterns that is not attributed to changes in the DNA sequences. Epigenetic marks, including histone modifications, non-coding RNAs, and DNA methylation, play crucial roles in gene regulation. Numerous studies in humans have been carried out on single-nucleotide resolution of DNA methylation, the CpG island, new histone modifications, and genome-wide nucleosome positioning. These studies indicate that epigenetic mutations and aberrant placement of these epigenetic marks play a critical role in causing the disease. Consequently, significant development has occurred in biomedical research in identifying epigenetic mechanisms, their interactions, and changes in health and disease conditions. The purpose of this review article is to provide comprehensive information about the different types of diseases caused by alterations in epigenetic factors such as DNA methylation and histone acetylation or methylation. Recent studies reported that epigenetics could influence the evolution of human cancer via aberrant methylation of gene promoter regions, which is associated with reduced gene function. Furthermore, DNA methyltransferases (DNMTs) in the DNA methylation process as well as histone acetyltransferases (HATs)/histone deacetylases (HDACs) and histone methyltransferases (HMTs)/demethylases (HDMs) in histone modifications play important roles both in the catalysis and inhibition of target gene transcription and in many other DNA processes such as repair, replication, and recombination. Dysfunction in these enzymes leads to epigenetic disorders and, as a result, various diseases such as cancers and brain diseases. Consequently, the knowledge of how to modify aberrant DNA methylation as well as aberrant histone acetylation or methylation via inhibitors by using epigenetic drugs can be a suitable therapeutic approach for a number of diseases. Using the synergistic effects of DNA methylation and histone modification inhibitors, it is hoped that many epigenetic defects will be treated in the future. Numerous studies have demonstrated a link between epigenetic marks and their effects on brain and cancer diseases. Designing appropriate drugs could provide novel strategies for the management of these diseases in the near future.
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Affiliation(s)
- Zahra Sahafnejad
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran P.O. Box 14115-111, Iran
| | - Shahin Ramazi
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran P.O. Box 14115-111, Iran
| | - Abdollah Allahverdi
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Jalal Ale Ahmad Highway, Tehran P.O. Box 14115-111, Iran
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The histone demethylase KDM5C functions as a tumor suppressor in AML by repression of bivalently marked immature genes. Leukemia 2023; 37:593-605. [PMID: 36631623 PMCID: PMC9991918 DOI: 10.1038/s41375-023-01810-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 12/22/2022] [Accepted: 01/05/2023] [Indexed: 01/13/2023]
Abstract
Epigenetic regulators are frequently mutated in hematological malignancies including acute myeloid leukemia (AML). Thus, the identification and characterization of novel epigenetic drivers affecting AML biology holds potential to improve our basic understanding of AML and to uncover novel options for therapeutic intervention. To identify novel tumor suppressive epigenetic regulators in AML, we performed an in vivo short hairpin RNA (shRNA) screen in the context of CEBPA mutant AML. This identified the Histone 3 Lysine 4 (H3K4) demethylase KDM5C as a tumor suppressor, and we show that reduced Kdm5c/KDM5C expression results in accelerated growth both in human and murine AML cell lines, as well as in vivo in Cebpa mutant and inv(16) AML mouse models. Mechanistically, we show that KDM5C act as a transcriptional repressor through its demethylase activity at promoters. Specifically, KDM5C knockdown results in globally increased H3K4me3 levels associated with up-regulation of bivalently marked immature genes. This is accompanied by a de-differentiation phenotype that could be reversed by modulating levels of several direct and indirect downstream mediators. Finally, the association of KDM5C levels with long-term disease-free survival of female AML patients emphasizes the clinical relevance of our findings and identifies KDM5C as a novel female-biased tumor suppressor in AML.
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16
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Zhao M, Wu J, Xu J, Li A, Mei Y, Ge X, Yin G, Liu X, Wei L, Xu Q. Association of environmental exposure to chromium with differential DNA methylation: An epigenome-wide study. Front Genet 2023; 13:1043486. [PMID: 36685967 PMCID: PMC9845398 DOI: 10.3389/fgene.2022.1043486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/12/2022] [Indexed: 01/06/2023] Open
Abstract
Introduction: Previous studies have reported that chromium (Cr)-induced epigenetic alterations and DNA methylation play a vital role in the pathogenesis of diseases induced by chromium exposure. Epigenomic analyses have been limited and mainly focused on occupational chromium exposure; their findings are not generalizable to populations with environmental Cr exposure. Methods: We identified the differential methylation of genes and regions to elucidate the mechanisms of toxicity related to environmental chromium exposure. DNA methylation was measured in blood samples collected from individuals in Cr-contaminated (n = 10) and unexposed areas (n = 10) by using the Illumina Infinium HumanMethylation850K array. To evaluate the relationship between chromium levels in urine and CpG methylation at 850 thousand sites, we investigated differentially methylated positions (DMPs) and differentially methylated regions (DMRs) by using linear models and DMRcate method, respectively. The model was adjusted for biologically relevant variables and estimated cell-type compositions. Results: At the epigenome-wide level, we identified five CpGs [cg20690919 (p FDR =0.006), cg00704664 (p FDR =0.024), cg10809143 (p FDR =0.043), cg27057652 (p FDR =0.047), cg05390480 (p FDR =0.024)] and one DMR (chr17: 19,648,718-19,648,972), annotated to ALDH3A1 genes (p < 0.05) as being significantly associated with log2 transformed urinary chromium levels. Discussion: Environmental chromium exposure is associated with DNA methylation, and the significant DMPs and DMR being annotated to cause DNA damage and genomic instability were found in this work. Research involving larger samples is required to further explore the epigenetic effect of environmental chromium exposure on health outcomes through DNA methylation.
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Affiliation(s)
- Meiduo Zhao
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Jingtao Wu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Jing Xu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Ang Li
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Yayuan Mei
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Xiaoyu Ge
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Guohuan Yin
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Xiaolin Liu
- Department of Epidemiology and Biostatistics, Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Lanping Wei
- Jinzhou Central Hospital, Jinzhou, Liaoning, China
| | - Qun Xu
- Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China,Center of Environmental and Health Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China,*Correspondence: Qun Xu,
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17
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Yang Z, Jia Y, Wang S, Zhang Y, Fan W, Wang X, He L, Shen X, Yang X, Zhang Y, Yang H. Retinoblastoma-Binding Protein 5 Regulates H3K4 Methylation Modification to Inhibit the Proliferation of Melanoma Cells by Inactivating the Wnt/ β-Catenin and Epithelial-Mesenchymal Transition Pathways. JOURNAL OF ONCOLOGY 2023; 2023:5093941. [PMID: 36866240 PMCID: PMC9974310 DOI: 10.1155/2023/5093941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/29/2022] [Accepted: 01/20/2023] [Indexed: 02/25/2023]
Abstract
Histone 3 lysine 4 methylation (H3K4me), especially histone 3 lysine 4 trimethylation (H3K4me3), is one of the most extensively studied patterns of histone modification and plays crucial roles in many biological processes. However, as a part of H3K4 methyltransferase that participates in H3K4 methylation and transcriptional regulation, retinoblastoma-binding protein 5 (RBBP5) has not been well studied in melanoma. The present study sought to explore RBBP5-mediated H3K4 histone modification and the potential mechanisms in melanoma. RBBP5 expression in melanoma and nevi specimens was detected by immunohistochemistry. Western blotting was performed for three pairs of melanoma cancer tissues and nevi tissues. In vitro and in vivo assays were used to investigate the function of RBBP5. The molecular mechanism was determined using RT-qPCR, western blotting, ChIP assays, and Co-IP assays. Our study showed that RBBP5 was significantly downregulated in melanoma tissue and cells compared with nevi tissues and normal epithelia cells (P < 0.05). Reducing RBBP5 in human melanoma cells leads to H3K4me3 downregulation and promotes cell proliferation, migration, and invasion. On the one hand, we verified that WSB2 was an upstream gene of RBBP5-mediated H3K4 modification, which could directly bind to RBBP5 and negatively regulate its expression. On the other hand, we also confirmed that p16 (a cancer suppressor gene) was a downstream target of H3K4me3, the promoter of which can directly bind to H3K4me3. Mechanistically, our data revealed that RBBP5 inactivated the Wnt/β-catenin and epithelial-mesenchymal transition (EMT) pathways (P < 0.05), leading to melanoma suppression. Histone methylation is rising as an important factor affecting tumorigenicity and tumor progression. Our findings verified the significance of RBBP5-mediated H3K4 modification in melanoma and the potential regulatory mechanisms of melanoma proliferation and growth, suggesting that RBBP5 is a potential therapeutic target for the treatment of melanoma.
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Affiliation(s)
- Zhiqin Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
- 2Departments of Gynecology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - Yue Jia
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Shaojia Wang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Yongjun Zhang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Wen Fan
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
- 3Departments of Reproduction, The Second Affiliated Hospital of Kunming Medical University, Kunming 650106, China
| | - Xin Wang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Liang He
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Xiaoyu Shen
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Xiangqun Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Yi Zhang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Hongying Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
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18
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Zhang SM, Cao J, Yan Q. KDM5 Lysine Demethylases in Pathogenesis, from Basic Science Discovery to the Clinic. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1433:113-137. [PMID: 37751138 DOI: 10.1007/978-3-031-38176-8_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
The histone lysine demethylase 5 (KDM5) family proteins are Fe2+ and α-ketoglutarate-dependent dioxygenases, with jumonji C (JmjC) domain as their catalytic core and several plant homeodomains (PHDs) to bind different histone methylation marks. These enzymes are capable of demethylating tri-, di- and mono-methylated lysine 4 in histone H3 (H3K4me3/2/1), the key epigenetic marks for active chromatin. Thus, this H3K4 demethylase family plays critical roles in cell fate determination during development as well as malignant transformation. KDM5 demethylases have both oncogenic and tumor suppressive functions in a cancer type-dependent manner. In solid tumors, KDM5A/B are generally oncogenic, whereas KDM5C/D have tumor suppressive roles. Their involvement in de-differentiation, cancer metastasis, drug resistance, and tumor immunoevasion indicated that KDM5 family proteins are promising drug targets for cancer therapy. Significant efforts from both academia and industry have led to the development of potent and selective KDM5 inhibitors for preclinical experiments and phase I clinical trials. However, a better understanding of the roles of KDM5 demethylases in different physiological and pathological conditions is critical for further developing KDM5 modulators for clinical applications.
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Affiliation(s)
- Shang-Min Zhang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
| | - Jian Cao
- Rutgers Cancer Institute of New Jersey, New Brunswick, NJ, 08901, USA.
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, 08901, USA.
| | - Qin Yan
- Department of Pathology, Yale Cancer Center, Yale Stem Cell Center, Yale Center for Immuno-Oncology, Yale Center for Research on Aging, Yale School of Medicine, P.O. Box 208023, New Haven, CT, 06520-8023, USA.
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19
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Yoo J, Kim GW, Jeon YH, Kim JY, Lee SW, Kwon SH. Drawing a line between histone demethylase KDM5A and KDM5B: their roles in development and tumorigenesis. Exp Mol Med 2022; 54:2107-2117. [PMID: 36509829 PMCID: PMC9794821 DOI: 10.1038/s12276-022-00902-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/29/2022] [Accepted: 10/13/2022] [Indexed: 12/14/2022] Open
Abstract
Distinct epigenetic modifiers ensure coordinated control over genes that govern a myriad of cellular processes. Growing evidence shows that dynamic regulation of histone methylation is critical for almost all stages of development. Notably, the KDM5 subfamily of histone lysine-specific demethylases plays essential roles in the proper development and differentiation of tissues, and aberrant regulation of KDM5 proteins during development can lead to chronic developmental defects and even cancer. In this review, we adopt a unique perspective regarding the context-dependent roles of KDM5A and KDM5B in development and tumorigenesis. It is well known that these two proteins show a high degree of sequence homology, with overlapping functions. However, we provide deeper insights into their substrate specificity and distinctive function in gene regulation that at times divert from each other. We also highlight both the possibility of targeting KDM5A and KDM5B to improve cancer treatment and the limitations that must be overcome to increase the efficacy of current drugs.
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Affiliation(s)
- Jung Yoo
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
| | - Go Woon Kim
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
| | - Yu Hyun Jeon
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
| | - Ji Yoon Kim
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
| | - Sang Wu Lee
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
| | - So Hee Kwon
- grid.15444.300000 0004 0470 5454College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, 21983 Republic of Korea
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20
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Zhang H, Liu X, Chen Y, Xu R, He S. KDOAM-25 Overcomes Resistance to MEK Inhibitors by Targeting KDM5B in Uveal Melanoma. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1556485. [PMID: 36212716 PMCID: PMC9534647 DOI: 10.1155/2022/1556485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/31/2022] [Accepted: 09/12/2022] [Indexed: 11/18/2022]
Abstract
Background Uveal Melanoma (UM) is a potentially lethal cancer, and epigenetics may participate in the regulation of MEK resistance. This study is aimed at targeting the epigenetic kinase to overcome the resistance to MEK inhibitor. Method We developed the 92.1 and OMM1 MEK-inhibitor resistant cell lines by culturing them in the trametinib (Tra) mixed medium. We utilized CCK8 analysis for detecting the viability of the cell. Western blot was used to determine the ERK1/2 and Akt phosphorylation. Small compound library screening assays were carried out by CCK8 analysis. To test the apoptosis, we employed flow cytometric analysis with Annexin-V/PI. Western blot and CCK8 were used to explore the epigenetic regulation of KDM5B in MEK-resistance cell lines. To knock out the expression level of KDM5B, we used the CRISPR/Cas9 by lentivirus delivering well-validated shRNAs in pLKO.1 vector. The directly binding affinity of KDOAM-25 to KDM5B was determined by drug affinity responsive target stability (DARTS) and microscale thermophoresis (MST). Results The phosphorylation of ERK1/2 and Akt (T308) was inhibited in OMM1 cell lines. However, inhibition of Tra was abolished in OMM1-R cell lines. From a compound screening assay, we identified that KDOAM-25 robustly inhibited the viability and colony formation of MEK-resistance cell lines. Furthermore, KDOAM-25 significantly promoted cell death in OMM1-R cells. H3K4me3 (tri-methylation of lysine 4 on histone H3) and H3K27ac (acetyl of lysine 27 on histone H3) were both upregulated in OMM1-R cells. Tra significantly inhibited the expression of KDM5B in OMM1-P cells. However, the effect on KDM5B was abolished in OMM1-R cells. Knockdown of KDM5B robustly suppressed the cell viability in OMM1-R cells. KDOAM-25 directly interacted with KDM5B. Conclusion KDOAM-25 inhibited the viability and colony formation and promoted cell death of MEK-resistance cell lines through H3K4me3 and H3K27ac, indicating that KDOAM-25 may be a potential therapeutic agent for MEK resistance in UM patients.
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Affiliation(s)
- Hongjun Zhang
- Department of Ophthalmology, Minhang Hospital, Fudan University, Shanghai, China
| | - Xiangnan Liu
- Department of Ophthalmology, Changhai Hospital Affiliated to Naval Medical University, Shanghai, China
| | - Yong'an Chen
- Department of Oncology, Naval Medical Center of Chinese People's Liberation Army, Naval Military Medical University, Shanghai, China
| | - Rui Xu
- Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Shengli He
- Department of Hepatobiliary-pancreatic and Integrative Oncology, Minhang Branch, Fudan University Shanghai Cancer Center, 106 Ruili Road, Minhang District, Shanghai, China
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21
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Prognostic Index for Nonsmall Cell Lung Cancer Based on Immune-Related Genes Expression. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4779811. [PMID: 36193311 PMCID: PMC9526605 DOI: 10.1155/2022/4779811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022]
Abstract
Immune system dysregulation is associated with tumor incidence and growth. Here, we established an RNA-based individualized immune signature associated with prognosis for nonsmall cell lung cancer (NSCLC) to guide adjuvant therapy. We downloaded publicly accessible data on RNA expression and clinical characteristics of NSCLC from the Cancer Genome Atlas (TCGA). From immune-related genes (IRGs) retrieved from the immunology database and analysis portal (ImmPort) database, we then screened differentially expressed immune-related genes (DEIRGs). Using overall survival (OS) as a clinical endpoint, we identified 26 prognostic DEIRGs via univariate and multivariate Cox regression analysis, and then developed a risk model based on these 26 IRGs with an area under the curve (AUC) of 0.701, and its predictive ability independent from other clinical factors. We also downloaded tumor immune infiltrate data and analyzed the correlations between lymphocytic infiltration with our risk scores, but found no significant association. Furthermore, we retrieved 86 differentially expressed transcription factors (TFs) to assess their regulatory relationships with the 26 prognostic DEIRGs. In summary, we developed a robust risk model to predict survival in patients with NSCLC, based on the expression of 26 IRGs. It provides novel predictive and therapeutic molecular targets.
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22
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Diao W, Zheng J, Li Y, Wang J, Xu S. Targeting histone demethylases as a potential cancer therapy (Review). Int J Oncol 2022; 61:103. [PMID: 35801593 DOI: 10.3892/ijo.2022.5393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 06/15/2022] [Indexed: 11/06/2022] Open
Abstract
Post‑translational modifications of histones by histone demethylases have an important role in the regulation of gene transcription and are implicated in cancers. Recently, the family of lysine (K)‑specific demethylase (KDM) proteins, referring to histone demethylases that dynamically regulate histone methylation, were indicated to be involved in various pathways related to cancer development. To date, numerous studies have been conducted to explore the effects of KDMs on cancer growth, metastasis and drug resistance, and a majority of KDMs have been indicated to be oncogenes in both leukemia and solid tumors. In addition, certain KDM inhibitors have been developed and have become the subject of clinical trials to explore their safety and efficacy in cancer therapy. However, most of them focus on hematopoietic malignancy. This review summarizes the effects of KDMs on tumor growth, drug resistance and the current status of KDM inhibitors in clinical trials.
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Affiliation(s)
- Wenfei Diao
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Jiabin Zheng
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Yong Li
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Junjiang Wang
- Department of Gastrointestinal Surgery, Department of General Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Songhui Xu
- Research Center of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
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23
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Ma X, Lu J, Yang P, Zhang Z, Huang B, Li R, Ye R. 8-Hydroxyquinoline-modified ruthenium(II) polypyridyl complexes for JMJD inhibition and photodynamic antitumor therapy. Dalton Trans 2022; 51:13902-13909. [PMID: 36040403 DOI: 10.1039/d2dt01765b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As an ideal scaffold for metal ion chelation, 8-hydroxyquinoline (8HQ) can chelate different metal ions, such as Fe2+, Cu2+, Zn2+, etc. Here, by integrating 8HQ with a ruthenium(II) polypyridyl moiety, two Ru(II)-8HQ complexes (Ru1 and Ru2), [Ru(N-N)2L](PF6)2 (L = 2-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)quinolin-8-ol; N-N: 2,2'-bipyridine (bpy, in Ru1), 1,10-phenanthroline (phen, in Ru2)) were designed and synthesized. In both complexes, ligand L is an 8HQ derivative designed to chelate the cofactor Fe2+ of jumonji C domain-containing demethylase (JMJD). As expected, Ru1 and Ru2 could inhibit the activity of JMJD by chelating the key cofactor Fe2+ of JMJD, resulting in the upregulation of histone-methylation levels in human lung cancer (A549) cells, and the upregulation was more pronounced under light conditions. In addition, MTT data showed that Ru1 and Ru2 exhibited lower dark toxicity, and light irradiation could significantly enhance their antitumor activity. The marked photodynamic activities of Ru1 and Ru2 could induce the elevation of reactive oxygen species (ROS), depolarization of mitochondrial membrane potential (MMP), and activation of caspases. These mechanistic studies indicated that Ru1 and Ru2 could induce apoptosis through the combination of JMJD inhibitory and PDT activities, thereby achieving dual antitumor effects.
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Affiliation(s)
- Xiurong Ma
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
| | - Junjian Lu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
| | - Peixin Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
| | - Zheng Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
| | - Bo Huang
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, P. R. China.
| | - Rongtao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
| | - Ruirong Ye
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China.
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24
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Pavlenko E, Ruengeler T, Engel P, Poepsel S. Functions and Interactions of Mammalian KDM5 Demethylases. Front Genet 2022; 13:906662. [PMID: 35899196 PMCID: PMC9309374 DOI: 10.3389/fgene.2022.906662] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/06/2022] [Indexed: 12/26/2022] Open
Abstract
Mammalian histone demethylases of the KDM5 family are mediators of gene expression dynamics during developmental, cellular differentiation, and other nuclear processes. They belong to the large group of JmjC domain containing, 2-oxoglutarate (2-OG) dependent oxygenases and target methylated lysine 4 of histone H3 (H3K4me1/2/3), an epigenetic mark associated with active transcription. In recent years, KDM5 demethylases have gained increasing attention due to their misregulation in many cancer entities and are intensively explored as therapeutic targets. Despite these implications, the molecular basis of KDM5 function has so far remained only poorly understood. Little is known about mechanisms of nucleosome recognition, the recruitment to genomic targets, as well as the local regulation of demethylase activity. Experimental evidence suggests close physical and functional interactions with epigenetic regulators such as histone deacetylase (HDAC) containing complexes, as well as the retinoblastoma protein (RB). To understand the regulation of KDM5 proteins in the context of chromatin, these interactions have to be taken into account. Here, we review the current state of knowledge on KDM5 function, with a particular emphasis on molecular interactions and their potential implications. We will discuss and outline open questions that need to be addressed to better understand histone demethylation and potential demethylation-independent functions of KDM5s. Addressing these questions will increase our understanding of histone demethylation and allow us to develop strategies to target individual KDM5 enzymes in specific biological and disease contexts.
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Affiliation(s)
- Egor Pavlenko
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital, Cologne, Germany
| | - Till Ruengeler
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital, Cologne, Germany
| | - Paulina Engel
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital, Cologne, Germany
| | - Simon Poepsel
- University of Cologne, Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
- *Correspondence: Simon Poepsel,
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25
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Sanchez A, Buck-Koehntop BA, Miller KM. Joining the PARty: PARP Regulation of KDM5A during DNA Repair (and Transcription?). Bioessays 2022; 44:e2200015. [PMID: 35532219 DOI: 10.1002/bies.202200015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/25/2022] [Accepted: 04/28/2022] [Indexed: 11/05/2022]
Abstract
The lysine demethylase KDM5A collaborates with PARP1 and the histone variant macroH2A1.2 to modulate chromatin to promote DNA repair. Indeed, KDM5A engages poly(ADP-ribose) (PAR) chains at damage sites through a previously uncharacterized coiled-coil domain, a novel binding mode for PAR interactions. While KDM5A is a well-known transcriptional regulator, its function in DNA repair is only now emerging. Here we review the molecular mechanisms that regulate this PARP1-macroH2A1.2-KDM5A axis in DNA damage and consider the potential involvement of this pathway in transcription regulation and cancer. Using KDM5A as an example, we discuss how multifunctional chromatin proteins transition between several DNA-based processes, which must be coordinated to protect the integrity of the genome and epigenome. The dysregulation of chromatin and loss of genome integrity that is prevalent in human diseases including cancer may be related and could provide opportunities to target multitasking proteins with these pathways as therapeutic strategies.
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Affiliation(s)
- Anthony Sanchez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, The University of Texas at Austin, Austin, Texas, USA
| | | | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX, 78712, The University of Texas at Austin, Austin, Texas, USA.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, Texas, USA
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26
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Ruan T, Wan J, Song Q, Chen P, Li X. Identification of a Novel Epithelial-Mesenchymal Transition-Related Gene Signature for Endometrial Carcinoma Prognosis. Genes (Basel) 2022; 13:genes13020216. [PMID: 35205261 PMCID: PMC8872195 DOI: 10.3390/genes13020216] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/16/2022] [Accepted: 01/21/2022] [Indexed: 02/06/2023] Open
Abstract
(1) Background: Endometrial cancer is the most prevalent cause of gynecological malignant tumor worldwide. The prognosis of endometrial carcinoma patients with distant metastasis is poor. (2) Method: The RNA-Seq expression profile and corresponding clinical data were downloaded from the Cancer Genome Atlas database and the Gene Expression Omnibus databases. To predict patients’ overall survival, a 9 EMT-related genes prognosis risk model was built by machine learning algorithm and multivariate Cox regression. Expressions of nine genes were verified by RT-qPCR. Responses to immune checkpoint blockades therapy and drug sensitivity were separately evaluated in different group of patients with the risk model. (3) Endometrial carcinoma patients were assigned to the high- and low-risk groups according to the signature, and poorer overall survival and disease-free survival were showed in the high-risk group. This EMT-related gene signature was also significantly correlated with tumor purity and immune cell infiltration. In addition, eight chemical compounds, which may benefit the high-risk group, were screened out. (4) Conclusions: We identified a novel EMT-related gene signature for predicting the prognosis of EC patients. Our findings provide potential therapeutic targets and compounds for personalized treatment. This may facilitate decision making during endometrial carcinoma treatment.
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27
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Yang D, Ma X, Song P. A prognostic model of non small cell lung cancer based on TCGA and ImmPort databases. Sci Rep 2022; 12:437. [PMID: 35013450 PMCID: PMC8748945 DOI: 10.1038/s41598-021-04268-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 12/15/2021] [Indexed: 12/13/2022] Open
Abstract
Bioinformatics methods are used to construct an immune gene prognosis assessment model for patients with non-small cell lung cancer (NSCLC), and to screen biomarkers that affect the occurrence and prognosis of NSCLC. The transcriptomic data and clinicopathological data of NSCLC and cancer-adjacent normal tissues were downloaded from the Cancer Genome Atlas (TCGA) database and the immune-related genes were obtained from the IMMPORT database (http://www.immport.org/); then, the differentially expressed immune genes were screened out. Based on these genes, an immune gene prognosis model was constructed. The Cox proportional hazards regression model was used for univariate and multivariate analyses. Further, the correlations among the risk score, clinicopathological characteristics, tumor microenvironment, and the prognosis of NSCLC were analyzed. A total of 193 differentially expressed immune genes related to NSCLC were screened based on the "wilcox.test" in R language, and Cox single factor analysis showed that 19 differentially expressed immune genes were associated with the prognosis of NSCLC (P < 0.05). After including 19 differentially expressed immune genes with P < 0.05 into the Cox multivariate analysis, an immune gene prognosis model of NSCLC was constructed (it included 13 differentially expressed immune genes). Based on the risk score, the samples were divided into the high-risk and low-risk groups. The Kaplan–Meier survival curve results showed that the 5-year overall survival rate in the high-risk group was 32.4%, and the 5-year overall survival rate in the low-risk group was 53.7%. The receiver operating characteristic model curve confirmed that the prediction model had a certain accuracy (AUC = 0.673). After incorporating multiple variables into the Cox regression analysis, the results showed that the immune gene prognostic risk score was an independent predictor of the prognosis of NSCLC patients. There was a certain correlation between the risk score and degree of neutrophil infiltration in the tumor microenvironment. The NSCLC immune gene prognosis assessment model was constructed based on bioinformatics methods, and it can be used to calculate the prognostic risk score of NSCLC patients. Further, this model is expected to provide help for clinical judgment of the prognosis of NSCLC patients.
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Affiliation(s)
- Dongliang Yang
- Department of General Education, Cangzhou Medical College, Cangzhou, 061001, China
| | - Xiaobin Ma
- Department of Respiratory Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 252200, China
| | - Peng Song
- Department of Respiratory Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 252200, China.
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28
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Liu C, Zheng Z, Li W, Tang D, Zhao L, He Y, Li H. Inhibition of KDM5A attenuates cisplatin-induced hearing loss via regulation of the MAPK/AKT pathway. Cell Mol Life Sci 2022; 79:596. [PMID: 36396833 PMCID: PMC9672031 DOI: 10.1007/s00018-022-04565-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 09/17/2022] [Accepted: 09/19/2022] [Indexed: 11/19/2022]
Abstract
The study aimed to investigate the potential role of lysine-specific demethylase 5A (KDM5A) in cisplatin-induced ototoxicity. The effect of the KDM5A inhibitor CPI-455 was assessed by apoptosis assay, immunofluorescence, flow cytometry, seahorse respirometry assay, and auditory brainstem response test. RNA sequencing, qRT-PCR, and CUT&Tag assays were used to explore the mechanism underlying CPI-455-induced protection. Our results demonstrated that the expression of KDM5A was increased in cisplatin-injured cochlear hair cells compared with controls. CPI-455 treatment markedly declined KDM5A and elevated H3K4 trimethylation levels in cisplatin-injured cochlear hair cells. Moreover, CPI-455 effectively prevented the death of hair cells and spiral ganglion neurons and increased the number of ribbon synapses in a cisplatin-induced ototoxicity mouse model both in vitro and in vivo. In HEI-OC1 cells, KDM5A knockdown reduced reactive oxygen species accumulation and improved mitochondrial membrane potential and oxidative phosphorylation under cisplatin-induced stress. Mechanistically, through transcriptomics and epigenomics analyses, a set of apoptosis-related genes, including Sos1, Sos2, and Map3k3, were regulated by CPI-455. Altogether, our findings indicate that inhibition of KDM5A may represent an effective epigenetic therapeutic target for preventing cisplatin-induced hearing loss.
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Affiliation(s)
- Chang Liu
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Zhiwei Zheng
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Wen Li
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Dongmei Tang
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Liping Zhao
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Yingzi He
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China
| | - Huawei Li
- Department of ENT Institute and Otorhinolaryngology, Eye and ENT Hospital, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Fudan University, 83 Fenyang Road, Shanghai, 200031 China ,NHC Key Laboratory of Hearing Medicine, Fudan University, Shanghai, 200031 People’s Republic of China ,Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032 People’s Republic of China ,The Institutes of Brain Science and the Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, 200032 People’s Republic of China
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29
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Kakoo A, Al-Attar M, Rasheed T. Exonic variants in multiple myeloma patients associated with relapsed/ refractory and response to bortezomib regimens. Saudi J Biol Sci 2022; 29:610-614. [PMID: 35002457 PMCID: PMC8716956 DOI: 10.1016/j.sjbs.2021.09.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 11/30/2022] Open
Abstract
Novel treatment in multiple myeloma represented by proteasome inhibitors, immunomodulatory drugs and monoclonal antibodies have produced a deep response. However, relapses are possible, and all classes of drugs are refractory to patients. Next-generation sequencing has improved our understanding of the multiple myeloma genome related to drug resistance and has discovered many genomic variants. Therefore, this study was conducted to investigate new variants associated with drug resistance in MM patients who relapsed and refractory to bortezomib regimen and daratumumab treatment using next-generation sequencing for whole-exome sequencing. Peripheral blood samples were collected in EDTA tubes from six patients; four were in relapsed and refractory to bortezomib regimens and daratumumab; two patients responded to bortezomib regimens. Whole-exome sequencing was performed by the MGI-DNBSEQ-G400 instrument. We identified 21 variants in multiple myeloma patients. Seventeen variants were found in relapsed and refractory multiple myeloma in 11 genes (GNAQ, PMS1, CREB1, NSUNS2, PIK3CG, ROS1, PMS2, FIT4, KDM5A, STK11 and ZFHX3). And four variants were identified in two patients with response to bortezomib regimens in 4 genes (RAF1, CREB1, ZFHX3 and INSR). We have observed several genetic variants in many genes that may have been associated with the poor prognosis and poor response to treatment in these patients. These values should be further confirmed in large sample studies using the RNA-seq technique to identify genome expression.
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Key Words
- BCL-2, B-cell lymphoma 2
- BWA, Burrows-Wheeler Aligner
- GATK, Genome Analysis Toolkit
- IGV, Integrative Genomic Viewer
- MAPK, mitogen-activated protein
- MCL-1, myeloid cell leukaemia-1
- MM, multiple myeloma
- MMR, mismatch repair
- Multiple myeloma
- M−CSF, macrophage colony-stimulating factor
- NF-кB, nuclear factor kappa B
- NGS, Next-generation sequence
- Next-generation sequencing
- RANKL, receptor activator of nuclear factors-кB ligand
- RTKs, tyrosine kinases receptors
- SNP, single nucleotide polymorphism
- VEGF-C, vascular endothelial growth factors receptors
- VUS, variant unknown significant
- WES, whole exome sequence
- drug resistance
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Affiliation(s)
- Ashraf Kakoo
- Department- College of Science, Salahaddin University, Erbil, Iraq
| | - Mustafa Al-Attar
- Department- College of Science, Salahaddin University, Erbil, Iraq
| | - Taban Rasheed
- Department- College of Science, Salahaddin University, Erbil, Iraq
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30
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Staehle HF, Pahl HL, Jutzi JS. The Cross Marks the Spot: The Emerging Role of JmjC Domain-Containing Proteins in Myeloid Malignancies. Biomolecules 2021; 11:biom11121911. [PMID: 34944554 PMCID: PMC8699298 DOI: 10.3390/biom11121911] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 12/16/2022] Open
Abstract
Histone methylation tightly regulates chromatin accessibility, transcription, proliferation, and cell differentiation, and its perturbation contributes to oncogenic reprogramming of cells. In particular, many myeloid malignancies show evidence of epigenetic dysregulation. Jumonji C (JmjC) domain-containing proteins comprise a large and diverse group of histone demethylases (KDMs), which remove methyl groups from lysines in histone tails and other proteins. Cumulating evidence suggests an emerging role for these demethylases in myeloid malignancies, rendering them attractive targets for drug interventions. In this review, we summarize the known functions of Jumonji C (JmjC) domain-containing proteins in myeloid malignancies. We highlight challenges in understanding the context-dependent mechanisms of these proteins and explore potential future pharmacological targeting.
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Affiliation(s)
- Hans Felix Staehle
- Division of Molecular Hematology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79098 Freiburg, Germany; (H.F.S.); (H.L.P.)
| | - Heike Luise Pahl
- Division of Molecular Hematology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79098 Freiburg, Germany; (H.F.S.); (H.L.P.)
| | - Jonas Samuel Jutzi
- Division of Molecular Hematology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79098 Freiburg, Germany; (H.F.S.); (H.L.P.)
- Division of Hematology, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston 02115, MA, USA
- Correspondence:
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31
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Yang GJ, Wu J, Miao L, Zhu MH, Zhou QJ, Lu XJ, Lu JF, Leung CH, Ma DL, Chen J. Pharmacological inhibition of KDM5A for cancer treatment. Eur J Med Chem 2021; 226:113855. [PMID: 34555614 DOI: 10.1016/j.ejmech.2021.113855] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/02/2021] [Accepted: 09/02/2021] [Indexed: 12/15/2022]
Abstract
Lysine-specific demethylase 5A (KDM5A, also named RBP2 or JARID1A) is a demethylase that can remove methyl groups from histones H3K4me1/2/3. It is aberrantly expressed in many cancers, where it impedes differentiation and contributes to cancer cell proliferation, cell metastasis and invasiveness, drug resistance, and is associated with poor prognosis. Pharmacological inhibition of KDM5A has been reported to significantly attenuate tumor progression in vitro and in vivo in a range of solid tumors and acute myeloid leukemia. This review will present the structural aspects of KDM5A, its role in carcinogenesis, a comparison of currently available approaches for screening KDM5A inhibitors, a classification of KDM5A inhibitors, and its potential as a drug target in cancer therapy.
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Affiliation(s)
- Guan-Jun Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Jia Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, 999078, China; Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Macao SAR, 999078, China
| | - Liang Miao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Ming-Hui Zhu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Qian-Jin Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Xin-Jiang Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Jian-Fei Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, 999078, China; Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Macao SAR, 999078, China.
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon, Hong Kong, 999077, China.
| | - Jiong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, 315211, Zhejiang, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China.
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Hao F. Systemic Profiling of KDM5 Subfamily Signature in Non-Small-Cell Lung Cancer. Int J Gen Med 2021; 14:7259-7275. [PMID: 34737620 PMCID: PMC8558507 DOI: 10.2147/ijgm.s329733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/14/2021] [Indexed: 11/23/2022] Open
Abstract
Background Despite improvements in diagnosis and treatment, lung cancer is one of the most lethal human diseases, with a dismal 5-year relative survival rate of only 5% for patients diagnosed with advanced metastatic disease. Accumulating evidence supports that epigenetic aberration of histone demethylase-KDM5 subfamily is linked to human pan-cancer. However, the detailed functions of KDM5 proteins in lung cancer, especially in non-small-cell lung cancer (NSCLC), remain poorly understand. Methods UALCAN, GEPIA, Kaplan-Meier plotter, cBioPortal, TIMER, TISIDB, and STRING databases were utilized in this investigation. Results We detected varying degrees of gene mutations of KDM5 subfamily members and found that KDM5B/C were remarkably overexpressed in LUAD and LUSC compared to normal tissues. Different from KDM5D, positive relationship was shown between overall survival and mRNA expression of KDM5A/B/C in lung cancer. We determined that KDM5A/B/C expression levels were positively correlated with CD4+ T cells infiltration, especially immunological markers of Tregs and Th17 cells. Moreover, LUAD and LUSC were separately rich in inflammatory and wound healing subtypes after immunogenomics analyzing with respect to KDM5 subfamily overexpression. And with their 120 co-expressed genes, we revealed that nucleocytoplasmic transport and cellular protein localization-related genes were closely connected to KDM5 subfamily alterations, next to chromatin remodeling genes. Conclusion We formulated the immune-infiltrating and prognostic value of KDM5 subfamily and highlighted its promising role in immune-inflammatory interaction with tumour microenvironment in NSCLC.
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Affiliation(s)
- Fang Hao
- Department of Oncology, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
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33
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The roles of epigenetics in cancer progression and metastasis. Biochem J 2021; 478:3373-3393. [PMID: 34520519 DOI: 10.1042/bcj20210084] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 01/12/2023]
Abstract
Cancer metastasis remains a major clinical challenge for cancer treatment. It is therefore crucial to understand how cancer cells establish and maintain their metastatic traits. However, metastasis-specific genetic mutations have not been identified in most exome or genome sequencing studies. Emerging evidence suggests that key steps of metastasis are controlled by reversible epigenetic mechanisms, which can be targeted to prevent and treat the metastatic disease. A variety of epigenetic mechanisms were identified to regulate metastasis, including the well-studied DNA methylation and histone modifications. In the past few years, large scale chromatin structure alterations including reprogramming of the enhancers and chromatin accessibility to the transcription factors were shown to be potential driving force of cancer metastasis. To dissect the molecular mechanisms and functional output of these epigenetic changes, it is critical to use advanced techniques and alternative animal models for interdisciplinary and translational research on this topic. Here we summarize our current understanding of epigenetic aberrations in cancer progression and metastasis, and their implications in developing new effective metastasis-specific therapies.
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Ohguchi H, Park PMC, Wang T, Gryder BE, Ogiya D, Kurata K, Zhang X, Li D, Pei C, Masuda T, Johansson C, Wimalasena VK, Kim Y, Hino S, Usuki S, Kawano Y, Samur MK, Tai YT, Munshi NC, Matsuoka M, Ohtsuki S, Nakao M, Minami T, Lauberth S, Khan J, Oppermann U, Durbin AD, Anderson KC, Hideshima T, Qi J. Lysine Demethylase 5A is Required for MYC Driven Transcription in Multiple Myeloma. Blood Cancer Discov 2021; 2:370-387. [PMID: 34258103 PMCID: PMC8265280 DOI: 10.1158/2643-3230.bcd-20-0108] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 02/22/2021] [Accepted: 03/28/2021] [Indexed: 12/23/2022] Open
Abstract
Lysine demethylase 5A (KDM5A) is a negative regulator of histone H3K4 trimethylation, a histone mark associated with activate gene transcription. We identify that KDM5A interacts with the P-TEFb complex and cooperates with MYC to control MYC targeted genes in multiple myeloma (MM) cells. We develop a cell-permeable and selective KDM5 inhibitor, JQKD82, that increases histone H3K4me3 but paradoxically inhibits downstream MYC-driven transcriptional output in vitro and in vivo. Using genetic ablation together with our inhibitor, we establish that KDM5A supports MYC target gene transcription independent of MYC itself, by supporting TFIIH (CDK7)- and P-TEFb (CDK9)-mediated phosphorylation of RNAPII. These data identify KDM5A as a unique vulnerability in MM functioning through regulation of MYC-target gene transcription, and establish JQKD82 as a tool compound to block KDM5A function as a potential therapeutic strategy for MM.
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Affiliation(s)
- Hiroto Ohguchi
- Division of Disease Epigenetics, Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Japan.
| | - Paul M C Park
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Tingjian Wang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Berkley E Gryder
- Genetics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Case Comprehensive Cancer Center, Cleveland, Ohio
| | - Daisuke Ogiya
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Keiji Kurata
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Xiaofeng Zhang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Deyao Li
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Chengkui Pei
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Takeshi Masuda
- Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Catrine Johansson
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | | | - Yong Kim
- Genetics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Shinjiro Hino
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Shingo Usuki
- Liaison Laboratory Research Promotion Center, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Yawara Kawano
- Department of Hematology, Rheumatology and Infectious Diseases, Kumamoto University School of Medicine, Kumamoto, Japan
| | - Mehmet K Samur
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Yu-Tzu Tai
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Nikhil C Munshi
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Masao Matsuoka
- Department of Hematology, Rheumatology and Infectious Diseases, Kumamoto University School of Medicine, Kumamoto, Japan
| | - Sumio Ohtsuki
- Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Mitsuyoshi Nakao
- Department of Medical Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Takashi Minami
- Division of Molecular and Vascular Biology, Institute of Resource Development and Analysis, Kumamoto University, Kumamoto, Japan
| | - Shannon Lauberth
- Division of Biological Sciences, University of Califonia, San Diego, La Jolla, California
| | - Javed Khan
- Genetics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Udo Oppermann
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
- Structural Genomics Consortium, University of Oxford, Headington, United Kingdom; Oxford Centre for Translational Myeloma Research, Botnar Research Centre, University of Oxford, Oxford, United Kingdom
| | - Adam D Durbin
- Division of Molecular Oncology, Department of Oncology, and Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Kenneth C Anderson
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | - Teru Hideshima
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts.
| | - Jun Qi
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts.
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
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35
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Metwally AM, Li H, Houghton JM. Alterations of epigenetic regulators and P53 mutations in murine mesenchymal stem cell cultures: A possible mechanism of spontaneous transformation. Cancer Biomark 2021; 32:327-337. [PMID: 34151835 DOI: 10.3233/cbm-203121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Recent studies demonstrated the involvement of mesenchymal stem/stromal cells (MSCs) in carcinogenesis, but the molecular mechanism behind this transformation is still obscured. OBJECTIVE To screen both the expression levels of polycomb and trithorax epigenetic regulators and TrP53 mutations in early and late MSC culture passages in an attempt to decipher the mechanism of spontaneous transformation. METHODS The study was conducted on early and late passages of MSC culture model from C57BL/6J mice. The expression profile of 84 epigenetic regulators was examined using RT2 profiler PCR array. TrP53 mutations in the DNA binding domain was screened. Codons, amino acids positions and the corresponding human variants were detected in P53 sequences. RESULTS Sixty-two epigenetic regulators were dysregulated. Abnormalities were detected starting the third passage. Nine regulators were dysregulated in all passages. (C>G) substitution P53 mutation was detected in passage 3 resulting in Ser152Arg substitution. Passages 6, 9, 12 and the last passage showed T>C substitution resulting in Cys235Arg substitution. The last passage had T deletion and A insertion resulting in frame shift mutations changing the p.Phe286Ser and p.Asn103Lys respectively. CONCLUSION In vitro expanded MSCs undergo transformation through alteration of epigenetic regulators which results in genomic instability and frequent P53 mutations.
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Affiliation(s)
- Ayman Mohamed Metwally
- Technology of Medical Laboratory Department, College of Applied Health Science Technology, Misr University for Science and Technology, Egypt.,Division of Gastroenterology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Hanchen Li
- Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Jean Marie Houghton
- Division of Gastroenterology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
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36
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Kumbhar R, Sanchez A, Perren J, Gong F, Corujo D, Medina F, Devanathan SK, Xhemalce B, Matouschek A, Buschbeck M, Buck-Koehntop BA, Miller KM. Poly(ADP-ribose) binding and macroH2A mediate recruitment and functions of KDM5A at DNA lesions. J Cell Biol 2021; 220:212163. [PMID: 34003252 PMCID: PMC8135068 DOI: 10.1083/jcb.202006149] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 03/15/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
The histone demethylase KDM5A erases histone H3 lysine 4 methylation, which is involved in transcription and DNA damage responses (DDRs). While DDR functions of KDM5A have been identified, how KDM5A recognizes DNA lesion sites within chromatin is unknown. Here, we identify two factors that act upstream of KDM5A to promote its association with DNA damage sites. We have identified a noncanonical poly(ADP-ribose) (PAR)–binding region unique to KDM5A. Loss of the PAR-binding region or treatment with PAR polymerase (PARP) inhibitors (PARPi’s) blocks KDM5A–PAR interactions and DNA repair functions of KDM5A. The histone variant macroH2A1.2 is also specifically required for KDM5A recruitment and function at DNA damage sites, including homology-directed repair of DNA double-strand breaks and repression of transcription at DNA breaks. Overall, this work reveals the importance of PAR binding and macroH2A1.2 in KDM5A recognition of DNA lesion sites that drive transcriptional and repair activities at DNA breaks within chromatin that are essential for maintaining genome integrity.
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Affiliation(s)
- Ramhari Kumbhar
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Anthony Sanchez
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Jullian Perren
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Fade Gong
- Department of Biochemistry & Molecular Biology, Baylor College of Medicine, Houston, TX
| | - David Corujo
- Cancer and Leukemia Epigenetics and Biology Program, Josep Carreras Leukaemia Cancer Institute, Barcelona, Spain
| | - Frank Medina
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Sravan K Devanathan
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Blerta Xhemalce
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX
| | - Andreas Matouschek
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX
| | - Marcus Buschbeck
- Cancer and Leukemia Epigenetics and Biology Program, Josep Carreras Leukaemia Cancer Institute, Barcelona, Spain.,Program for Predictive and Personalized Medicine of Cancer, Germans Trias i Pujol Research Institute, Badalona, Spain
| | | | - Kyle M Miller
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX.,Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX.,Livestrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX
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37
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Prominent Role of Histone Modifications in the Regulation of Tumor Metastasis. Int J Mol Sci 2021; 22:ijms22052778. [PMID: 33803458 PMCID: PMC7967218 DOI: 10.3390/ijms22052778] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/08/2021] [Indexed: 12/22/2022] Open
Abstract
Tumor aggressiveness and progression is highly dependent on the process of metastasis, regulated by the coordinated interplay of genetic and epigenetic mechanisms. Metastasis involves several steps of epithelial to mesenchymal transition (EMT), anoikis resistance, intra- and extravasation, and new tissue colonization. EMT is considered as the most critical process allowing cancer cells to switch their epithelial characteristics and acquire mesenchymal properties. Emerging evidence demonstrates that epigenetics mechanisms, DNA methylation, histone modifications, and non-coding RNAs participate in the widespread changes of gene expression that characterize the metastatic phenotype. At the chromatin level, active and repressive histone post-translational modifications (PTM) in association with pleiotropic transcription factors regulate pivotal genes involved in the initiation of the EMT process as well as in intravasation and anoikis resistance, playing a central role in the progression of tumors. Herein, we discuss the main epigenetic mechanisms associated with the different steps of metastatic process, focusing in particular on the prominent role of histone modifications and the modifying enzymes that mediate transcriptional regulation of genes associated with tumor progression. We further discuss the development of novel treatment strategies targeting the reversibility of histone modifications and highlight their importance in the future of cancer therapy.
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38
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Yang GJ, Zhu MH, Lu XJ, Liu YJ, Lu JF, Leung CH, Ma DL, Chen J. The emerging role of KDM5A in human cancer. J Hematol Oncol 2021; 14:30. [PMID: 33596982 PMCID: PMC7888121 DOI: 10.1186/s13045-021-01041-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/01/2021] [Indexed: 12/11/2022] Open
Abstract
Histone methylation is a key posttranslational modification of chromatin, and its dysregulation affects a wide array of nuclear activities including the maintenance of genome integrity, transcriptional regulation, and epigenetic inheritance. Variations in the pattern of histone methylation influence both physiological and pathological events. Lysine-specific demethylase 5A (KDM5A, also known as JARID1A or RBP2) is a KDM5 Jumonji histone demethylase subfamily member that erases di- and tri-methyl groups from lysine 4 of histone H3. Emerging studies indicate that KDM5A is responsible for driving multiple human diseases, particularly cancers. In this review, we summarize the roles of KDM5A in human cancers, survey the field of KDM5A inhibitors including their anticancer activity and modes of action, and the current challenges and potential opportunities of this field.
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Affiliation(s)
- Guan-Jun Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, Zhejiang, People's Republic of China.,Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, People's Republic of China.,Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, People's Republic of China.,Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, People's Republic of China
| | - Ming-Hui Zhu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, Zhejiang, People's Republic of China.,Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, People's Republic of China.,Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, People's Republic of China
| | - Xin-Jiang Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, Zhejiang, People's Republic of China.,Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, People's Republic of China.,Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, People's Republic of China
| | - Yan-Jun Liu
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, People's Republic of China
| | - Jian-Fei Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, Zhejiang, People's Republic of China.,Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, People's Republic of China.,Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, People's Republic of China
| | - Chung-Hang Leung
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao SAR, People's Republic of China.
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon, Hong Kong, 999077, People's Republic of China.
| | - Jiong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, Zhejiang, People's Republic of China. .,Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, 315211, People's Republic of China. .,Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, People's Republic of China.
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39
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Iida T, Itoh Y, Takahashi Y, Yamashita Y, Kurohara T, Miyake Y, Oba M, Suzuki T. Design, Synthesis, and Biological Evaluation of Lysine Demethylase 5 C Degraders. ChemMedChem 2021; 16:1609-1618. [PMID: 33470543 DOI: 10.1002/cmdc.202000933] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Indexed: 12/18/2022]
Abstract
Lysine demethylase 5 C (KDM5C) controls epigenetic gene expression and is attracting great interest in the field of chemical epigenetics. KDM5C has emerged as a therapeutic target for anti-prostate cancer agents, and recently we identified triazole 1 as an inhibitor of KDM5C. Compound 1 exhibited highly potent KDM5C-inhibitory activity in in vitro enzyme assays, but did not show strong anticancer effects. Therefore, a different approach is needed for the development of anticancer agents targeting KDM5C. Here, we attempted to identify KDM5C degraders by focusing on a protein-knockdown strategy. Compound 3 b, which was designed based on compound 1, degraded KDM5C and inhibited the growth of prostate cancer PC-3 cells more strongly than compound 1. These findings suggest that KDM5C degraders are more effective as anticancer agents than compounds that only inhibit the catalytic activity of KDM5C.
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Affiliation(s)
- Tetsuya Iida
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan.,Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 1-5 Shimogamohangi-cho, Sakyo-ku, Kyoto, 606-0823, Japan
| | - Yukihiro Itoh
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan.,Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 1-5 Shimogamohangi-cho, Sakyo-ku, Kyoto, 606-0823, Japan
| | - Yukari Takahashi
- Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 1-5 Shimogamohangi-cho, Sakyo-ku, Kyoto, 606-0823, Japan
| | - Yasunobu Yamashita
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Takashi Kurohara
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Yuka Miyake
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Makoto Oba
- Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 1-5 Shimogamohangi-cho, Sakyo-ku, Kyoto, 606-0823, Japan
| | - Takayoshi Suzuki
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan.,Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 1-5 Shimogamohangi-cho, Sakyo-ku, Kyoto, 606-0823, Japan
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40
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Zhang J, Hou S, You Z, Li G, Xu S, Li X, Zhang X, Lei B, Pang D. Expression and prognostic values of ARID family members in breast cancer. Aging (Albany NY) 2021; 13:5621-5637. [PMID: 33592583 PMCID: PMC7950271 DOI: 10.18632/aging.202489] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 12/03/2020] [Indexed: 12/24/2022]
Abstract
The ARID family is a superfamily of 15 members containing a domain that interacts with AT-rich DNA elements. However, the expression and prognostic roles of each ARID in breast cancer are still elusive. We used the TCGA and Kaplan-Meier plotter databases to assess the expression and prognostic values of ARID mRNA levels in breast cancer respectively. In the present study, 6 members were significantly lower in tumor tissues than those in the normal tissues, while 6 members were significantly higher. Further assessment of ARID expression in breast cancer with different molecular subtypes, 3 members were significantly higher in no-luminal molecular subtype than those in the luminal molecular subtype, and 6 members were significantly higher. In regard to prognostic values, high expression of ARID1A, ARID2, ARID3B, ARID4A, ARID5A, ARID5B, JARID1A were associated with favorable outcome, while ARID4B and JARID1B were correlated to a worse outcome. We further analyzed the prognostic value of ARID in different intrinsic subtypes and clinicopathological features of breast cancer. We found many meaningful ARID family biomarkers in breast cancer. The relevant results will expound the role of ARID in breast cancer and may further provide new insight to explore the ARID-targeting reagents for treating breast cancer patients.
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Affiliation(s)
- Jinfeng Zhang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Siyu Hou
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Zilong You
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Guozheng Li
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Shouping Xu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xianyong Li
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xianyu Zhang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Bo Lei
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Da Pang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China.,Heilongjiang Academy of Medical Sciences, Harbin, China
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Metformin Reduces Histone H3K4me3 at the Promoter Regions of Positive Cell Cycle Regulatory Genes in Lung Cancer Cells. Cancers (Basel) 2021; 13:cancers13040739. [PMID: 33578894 PMCID: PMC7916663 DOI: 10.3390/cancers13040739] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/03/2021] [Accepted: 02/06/2021] [Indexed: 01/03/2023] Open
Abstract
Simple Summary To understand the effect of metformin on epigenetic regulation, we analyzed histone H3 methylation, DNA methylation, and chromatin accessibility in lung cancer cells. Metformin showed little effect on DNA methylation or chromatin accessibility but significantly reduced H3K4me3 levels at the promoters of positive cell cycle regulatory genes. Metformin downregulated H3K4 methyltransferase MLL2 expression and knockdown of MLL2 resulted in suppression of H3K4me3 expression and lung cancer cell proliferation. We further evaluated the clinicopathological significance of MLL2 in tumor and matched normal tissues from 42 non-small cell lung cancer patients. MLL2 overexpression was significantly associated with poor recurrence-free survival in lung adenocarcinoma. Our study facilitates the understanding of the effect of metformin on the regulation of histone H3K4me3 at promoter regions of cell cycle regulatory genes in lung cancer cells, and MLL2 may be a potential therapeutic target for lung cancer therapy. Abstract This study aimed at understanding the effect of metformin on histone H3 methylation, DNA methylation, and chromatin accessibility in lung cancer cells. Metformin significantly reduced H3K4me3 level at the promoters of positive cell cycle regulatory genes such as CCNB2, CDK1, CDK6, and E2F8. Eighty-eight genes involved in cell cycle showed reduced H3K4me3 levels in response to metformin, and 27% of them showed mRNA downregulation. Metformin suppressed the expression of H3K4 methyltransferases MLL1, MLL2, and WDR82. The siRNA-mediated knockdown of MLL2 significantly downregulated global H3K4me3 level and inhibited lung cancer cell proliferation. MLL2 overexpression was found in 14 (33%) of 42 NSCLC patients, and a Cox proportional hazards analysis showed that recurrence-free survival of lung adenocarcinoma patients with MLL2 overexpression was approximately 1.32 (95% CI = 1.08–4.72; p = 0.02) times poorer than in those without it. Metformin showed little effect on DNA methylation and chromatin accessibility at the promoter regions of cell cycle regulatory genes. The present study suggests that metformin reduces H3K4me3 levels at the promoters of positive cell cycle regulatory genes through MLL2 downregulation in lung cancer cells. Additionally, MLL2 may be a potential therapeutic target for reducing the recurrence of lung adenocarcinoma.
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Peng D, Lin B, Xie M, Zhang P, Guo Q, Li Q, Gu Q, Yang S, Sen L. Histone demethylase KDM5A promotes tumorigenesis of osteosarcoma tumor. Cell Death Discov 2021; 7:9. [PMID: 33436536 PMCID: PMC7803953 DOI: 10.1038/s41420-020-00396-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/10/2020] [Accepted: 12/15/2020] [Indexed: 12/14/2022] Open
Abstract
Osteosarcoma is a primary bone malignancy with a high rate of recurrence and poorer prognosis. Therefore, it is of vital importance to explore novel prognostic molecular biomarkers and targets for more effective therapeutic approaches. Previous studies showed that histone demethylase KDM5A can increase the proliferation and metastasis of several cancers. However, the function of KDM5A in the carcinogenesis of osteosarcoma is not clear. In the current study, KDM5A was highly expressed in osteosarcoma than adjacent normal tissue. Knockdown of KDM5A suppressed osteosarcoma cell proliferation and induced apoptosis. Moreover, knockdown of KDM5A could increase the expression level of P27 (cell-cycle inhibitor) and decrease the expression of Cyclin D1. Furthermore, after knockout of KDM5A in osteosarcoma cells by CRISPR/Cas9 system, the tumor size and growth speed were inhibited in tumor-bearing nude mice. RNA-Seq of KDM5A-KO cells indicated that interferon, epithelial–mesenchymal transition (EMT), IL6/JAK/STAT3, and TNF-α/NF-κB pathway were likely involved in the regulation of osteosarcoma cell viability. Taken together, our research established a role of KDM5A in osteosarcoma tumorigenesis and progression.
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Affiliation(s)
- Daohu Peng
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - Birong Lin
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - Mingzhong Xie
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - Ping Zhang
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - QingXi Guo
- The affiliated hospital of Southwest Medical University, 25 Taiping Street, Jiangyang District, 646015, Luzhou City, Sichuan, P. R. China
| | - Qian Li
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - Qinwen Gu
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China
| | - Sijin Yang
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China.
| | - Li Sen
- Hospital (T.C.M) Affiliated to Southwest Medical University, 182 Chunhui Road, Longmatan District, 64600, Luzhou City, Sichuan, P. R. China.
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Abstract
2-Oxoglutarate-dependent dioxygenases (2OGDDs) are a superfamily of enzymes that play diverse roles in many biological processes, including regulation of hypoxia-inducible factor-mediated adaptation to hypoxia, extracellular matrix formation, epigenetic regulation of gene transcription and the reprogramming of cellular metabolism. 2OGDDs all require oxygen, reduced iron and 2-oxoglutarate (also known as α-ketoglutarate) to function, although their affinities for each of these co-substrates, and hence their sensitivity to depletion of specific co-substrates, varies widely. Numerous 2OGDDs are recurrently dysregulated in cancer. Moreover, cancer-specific metabolic changes, such as those that occur subsequent to mutations in the genes encoding succinate dehydrogenase, fumarate hydratase or isocitrate dehydrogenase, can dysregulate specific 2OGDDs. This latter observation suggests that the role of 2OGDDs in cancer extends beyond cancers that harbour mutations in the genes encoding members of the 2OGDD superfamily. Herein, we review the regulation of 2OGDDs in normal cells and how that regulation is corrupted in cancer.
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Affiliation(s)
- Julie-Aurore Losman
- Department of Medical Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, MA, USA
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Peppi Koivunen
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - William G Kaelin
- Department of Medical Oncology, Dana-Farber Cancer Institute and Brigham and Women's Hospital, Boston, MA, USA.
- Howard Hughes Medical Institute (HHMI), Chevy Chase, MD, USA.
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Wang Y, Ma J, Martinez ED, Liang D, Xie H. A UHPLC-MS/MS method for the quantification of JIB-04 in rat plasma: Development, validation and application to pharmacokinetics study. J Pharm Biomed Anal 2020; 191:113587. [PMID: 32892084 PMCID: PMC7581536 DOI: 10.1016/j.jpba.2020.113587] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/18/2020] [Accepted: 08/20/2020] [Indexed: 12/14/2022]
Abstract
Methylation of lysine by histone methyltransferases can be reversed by lysine demethylases (KDMs). Different KDMs have distinct oncogenic functions based on their cellular localization, stimulating cancer cell proliferation, reducing the expression of tumor suppressors, and/or promoting the development of drug resistance. JIB-04 is a small molecule that pan-selectively inhibits KDMs, showing maximal inhibitory activity against KDM5A, and as secondary targets, KDM4D/4B/4A/6B/4C. Recently, it was found that JIB-04 also potently and selectively blocks HIV-1 Tat expression, transactivation, and virus replication in T cell lines via the inhibition of a new target, serine hydroxymethyltransferase 2. Pharmacokinetic characterization and an analytical method for the quantification of JIB-04 are necessary for the further development of this small molecule. Herein, a sensitive, specific, fast and reliable UHPLC-MS/MS method for the quantification of JIB-04 in rat plasma samples was developed and fully validated using a SCIEX 6500+ triple QUAD LC-MS system equipped with an ExionLC UHPLC unit. The chromatographic separation was achieved on a reverse phase ACE Excel 2 Super C18 column with a flow rate of 0.5 mL/min under gradient elution. The calibration curves were linear (r2 > 0.999) over concentrations from 0.5 to 1000 ng/mL. The accuracy (RE%) was between -7.4% and 3.7%, and the precision (CV%) was 10.2% or less. The stability data showed that no significant degradation occurred under the experimental conditions. This method was successfully applied to the pharmacokinetic study of JIB-04 in rat plasma after intravenous and oral administration and the oral bioavailability of JIB-04 was found to be 44.4%.
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Affiliation(s)
- Yang Wang
- Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
| | - Jing Ma
- Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
| | - Elisabeth D Martinez
- Department of Pharmacology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Dong Liang
- Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
| | - Huan Xie
- Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA.
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Kirtana R, Manna S, Patra SK. Molecular mechanisms of KDM5A in cellular functions: Facets during development and disease. Exp Cell Res 2020; 396:112314. [PMID: 33010254 DOI: 10.1016/j.yexcr.2020.112314] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/26/2020] [Accepted: 09/27/2020] [Indexed: 12/12/2022]
Abstract
Gene expression is influenced at many layers by a fine-tuned crosstalk between multiple extrinsic signalling pathways and intrinsic regulatory molecules that respond to environmental stimuli. Epigenetic modifiers like DNA methyltransferases, histone modifying enzymes and chromatin remodellers are reported to act as triggering factors in many scenarios by exhibiting their control over most of the cellular processes. These epigenetic players can either directly regulate gene expression or interact with some effector molecules that harmonize the expression of downstream genes. One such epigenetic regulator which exhibits multifaceted regulation over gene expression is KDM5A. It is classically a transcriptional repressor acting as H3K4me3 demethylase, but also is reported to act as an activator in many contexts either by loss of activity due to inhibition manifested by other interacting proteins or by downregulating the negative players of a given physiological process thereby escalating the framework. Through this review, we draw attention to the remarkable modes of functioning laid by KDM5A on transcriptional and translational processes, affecting gene expression during differentiation and development and finally summing up on role in disease causation (Fig. 1). We also shed light on different orthologs of KDM5A and their organism specific roles, along with comparison of the sequence similarity to extrapolate some unanswered questions about this protein.
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Affiliation(s)
- R Kirtana
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Soumen Manna
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Samir Kumar Patra
- Epigenetics and Cancer Research Laboratory, Biochemistry and Molecular Biology Group, Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769008, India.
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46
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Ren F, Shrestha C, Shi H, Sun F, Zhang M, Cao Y, Li G. Targeting of KDM5A by miR-421 in Human Ovarian Cancer Suppresses the Progression of Ovarian Cancer Cells. Onco Targets Ther 2020; 13:9419-9428. [PMID: 33061428 PMCID: PMC7520141 DOI: 10.2147/ott.s266211] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/28/2020] [Indexed: 12/11/2022] Open
Abstract
PURPOSE The retinoblastoma binding protein RBP2 (KDM5A) is a histone demethylase that promotes cell growth in many human cancers. A series of functional experiments were conducted to explore the role of miR-421/KDM5A in ovarian cancer cells and their underlying molecular mechanisms. MATERIALS AND METHODS Public microarray databases were analyzed to assess KDM5A and miR-421 expression in ovarian cancer. KDM5A was predicted to be a target of miR-421 using software analysis. The expression of the miR-421/KDM5A regulatory axis in ovarian cancer and the mechanisms of its effects on proliferation, migration, and invasion of ovarian cancer cell lines were investigated. RESULTS Compared with normal ovarian tissues, the expression of KDM5A mRNA and protein was elevated (P<0.05), and miR-421 expression was reduced in ovarian cancer tissue (P<0.05). miR-421 was found to bind specifically to the KDM5A gene. Silencing KDM5A or overexpressing miR-421 significantly inhibited proliferation, migration, and invasion of OVCAR-8 and SKOV-3 cells. Similarly, compared with nude mice injected with cells transfected with empty capsids, the in vivo proliferation rate of OVCAR-8 cells after miR-421 overexpression was reduced significantly. CONCLUSION The miR-421/KDM5A regulatory axis plays an important role in the development and progression of ovarian cancer cells.
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Affiliation(s)
- Fang Ren
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Christina Shrestha
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Huirong Shi
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Fangfang Sun
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Minghui Zhang
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Yuan Cao
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Gailing Li
- Department of Gynecology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
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Liu J, Zhao H, Zhang Q, Shi Z, Zhang Y, Zhao L, Ren Y, Ou R, Xu Y. Human papillomavirus type 16 E7 oncoprotein-induced upregulation of lysine-specific demethylase 5A promotes cervical cancer progression by regulating the microRNA-424-5p/suppressor of zeste 12 pathway. Exp Cell Res 2020; 396:112277. [PMID: 32918895 DOI: 10.1016/j.yexcr.2020.112277] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/20/2022]
Abstract
Human papillomavirus (HPV) infection and viral protein expression cause several epigenetic alterations that lead to cervical carcinogenesis. Our previous study identified that upregulated lysine-specific demethylase (KDM) 2 A promotes cervical cancer progression by inhibiting mircoRNA (miR)-132 function. However, the roles of histone methylation modifiers in HPV-related cervical cancer remain unclear. In the present study, changes in the expression of 48 histone methylation modifiers were assessed following knockdown of HPV16 E6/E7 in CaSki cells. The dysregulated expression of KDM5A was identified, and its function in cervical cancer was investigated in vitro and in vivo. E7 oncoprotein-induced upregulation of KDM5A promoted cervical cancer cell proliferation and invasiveness in vitro and in vivo, which was correlated with poor prognosis in patients with cervical cancer. KDM5A was found to physically interact with the promoter region of miR-424-5p, and to suppress its expression by removing the tri- and di-methyl groups from H3K4 at the miR-424-5p locus. Furthermore, miR-424-5p repressed cancer cell proliferation and invasiveness by targeting suppressor of zeste 12 (Suz12). KDM5A upregulation promoted cervical cancer progression by repressing miR-424-5p, which resulted in a decrease in Suz12. Therefore, KDM5A functions as a tumor activator in cervical cancer pathogenesis by binding to the miR-424-5p promoter and inhibiting its tumor-suppressive function. These results indicate a function for KDM5A in cervical cancer progression and suggest its candidacy as a novel prognostic biomarker and target for the clinical management of this malignancy.
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Affiliation(s)
- Jia Liu
- Department of Plastic and Cosmetic Center, The Affiliated Eye Hospital of Wenzhou Medical University, PR China
| | - Hongqin Zhao
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, PR China
| | - Qian Zhang
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, PR China
| | - Zhengzheng Shi
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, PR China
| | - Yuyang Zhang
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, PR China
| | - Liang Zhao
- Laboratory for Advanced Interdisciplinary Research, Institute of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China
| | - Yi Ren
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA
| | - Rongying Ou
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, PR China.
| | - Yunsheng Xu
- Laboratory for Advanced Interdisciplinary Research, Institute of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, PR China; Department of Dermatovenereology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, PR China.
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48
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Arifuzzaman S, Khatun MR, Khatun R. Emerging of lysine demethylases (KDMs): From pathophysiological insights to novel therapeutic opportunities. Biomed Pharmacother 2020; 129:110392. [PMID: 32574968 DOI: 10.1016/j.biopha.2020.110392] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 12/12/2022] Open
Abstract
In recent years, there have been remarkable scientific advancements in the understanding of lysine demethylases (KDMs) because of their demethylation of diverse substrates, including nucleic acids and proteins. Novel structural architectures, physiological roles in the gene expression regulation, and ability to modify protein functions made KDMs the topic of interest in biomedical research. These structural diversities allow them to exert their function either alone or in complex with numerous other bio-macromolecules. Impressive number of studies have demonstrated that KDMs are localized dynamically across the cellular and tissue microenvironment. Their dysregulation is often associated with human diseases, such as cancer, immune disorders, neurological disorders, and developmental abnormalities. Advancements in the knowledge of the underlying biochemistry and disease associations have led to the development of a series of modulators and technical compounds. Given the distinct biophysical and biochemical properties of KDMs, in this review we have focused on advances related to the structure, function, disease association, and therapeutic targeting of KDMs highlighting improvements in both the specificity and efficacy of KDM modulation.
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Affiliation(s)
- Sarder Arifuzzaman
- Department of Pharmacy, Jahangirnagar University, Dhaka-1342, Bangladesh; Everest Pharmaceuticals Ltd., Dhaka-1208, Bangladesh.
| | - Mst Reshma Khatun
- Department of Pharmacy, Jahangirnagar University, Dhaka-1342, Bangladesh
| | - Rabeya Khatun
- Department of Pediatrics, TMSS Medical College and Rafatullah Community Hospital, Gokul, Bogura, 5800, Bangladesh
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Ge T, Zhou Y, Lu H. The diagnostic performance of lysine(K)-specific demethylase 6B ( KDM6B) in non-small cell lung cancer. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:2155-2160. [PMID: 31155967 DOI: 10.1080/21691401.2019.1620758] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Objectives: Accumulating evidence show that histone demethylases play important roles in various types of cancers, including non-small cell lung cancer (NSCLC). In the current study, we evaluated the diagnostic value of lysine(K)-specific demethylase 6B (KDM6B) in NSCLC. Methods: Serum KDM6B expression levels of 115 NSCLC patients and 88 healthy volunteers were detected by reverse transcription quantitative real-time polymerase chain reaction (qRT-PCR). The relationship between KDM6B and clinical characteristics was assessed by chi-square test. Receiver operating characteristic (ROC) analysis was applied to evaluate diagnostic efficacy. Results: Serum KDM6B was significantly lower in NSCLC patients than that in healthy controls (p < .001). Moreover, low KDM6B expression was significantly associated with the high clinical stage (p = .028) and positive lymph node metastasis (p = .031). Besides, we found that the expression of KDM6B mRNA was also significantly different among healthy controls, NSCLC early stage and later stage patients (p < .05). ROC curve indicated that KDM6B could serve as a diagnostic marker for NSCLC with the cut-off value of 0.955. The AUC was 0.897 with a sensitivity of 79.5% and specificity of 84.3%. Conclusion: Down-regulation of KDM6B is significantly associated with aggressive progression of NSCLC and KDM6B may be a tool of early detection of NSCLC.
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Affiliation(s)
- Ting Ge
- a Respiratory Department, Ningbo Medical Center Lihuili Hospital , Ningbo , China
| | - Ying Zhou
- b Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine , Shanghai , China
| | - Hongmin Lu
- c Department of Oncology, Renji Hospital, Affiliated to Shanghai Jiaotong University School of Medicine , Shanghai , China
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50
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Blanquart C, Linot C, Cartron PF, Tomaselli D, Mai A, Bertrand P. Epigenetic Metalloenzymes. Curr Med Chem 2019; 26:2748-2785. [PMID: 29984644 DOI: 10.2174/0929867325666180706105903] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 06/04/2018] [Accepted: 06/04/2018] [Indexed: 12/12/2022]
Abstract
Epigenetics controls the expression of genes and is responsible for cellular phenotypes. The fundamental basis of these mechanisms involves in part the post-translational modifications (PTMs) of DNA and proteins, in particular, the nuclear histones. DNA can be methylated or demethylated on cytosine. Histones are marked by several modifications including acetylation and/or methylation, and of particular importance are the covalent modifications of lysine. There exists a balance between addition and removal of these PTMs, leading to three groups of enzymes involved in these processes: the writers adding marks, the erasers removing them, and the readers able to detect these marks and participating in the recruitment of transcription factors. The stimulation or the repression in the expression of genes is thus the result of a subtle equilibrium between all the possibilities coming from the combinations of these PTMs. Indeed, these mechanisms can be deregulated and then participate in the appearance, development and maintenance of various human diseases, including cancers, neurological and metabolic disorders. Some of the key players in epigenetics are metalloenzymes, belonging mostly to the group of erasers: the zinc-dependent histone deacetylases (HDACs), the iron-dependent lysine demethylases of the Jumonji family (JMJ or KDM) and for DNA the iron-dependent ten-eleven-translocation enzymes (TET) responsible for the oxidation of methylcytosine prior to the demethylation of DNA. This review presents these metalloenzymes, their importance in human disease and their inhibitors.
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Affiliation(s)
- Christophe Blanquart
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France.,Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Camille Linot
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France
| | - Pierre-François Cartron
- CRCINA, INSERM, Universite d'Angers, Universite de Nantes, Nantes, France.,Réseau Epigénétique du Cancéropôle Grand Ouest, France
| | - Daniela Tomaselli
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy
| | - Antonello Mai
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy.,Pasteur Institute - Cenci Bolognetti Foundation, Sapienza University of Rome, Rome, Italy
| | - Philippe Bertrand
- Réseau Epigénétique du Cancéropôle Grand Ouest, France.,Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, 4 rue Michel Brunet, TSA 51106, B27, 86073, Poitiers cedex 09, France
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