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Rubatto M, Borriello S, Sciamarrelli N, Pala V, Tonella L, Ribero S, Quaglino P. Exploring the role of epigenetic alterations and non-coding RNAs in melanoma pathogenesis and therapeutic strategies. Melanoma Res 2023; 33:462-474. [PMID: 37788101 DOI: 10.1097/cmr.0000000000000926] [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: 10/05/2023]
Abstract
Melanoma is a rare but highly lethal type of skin cancer whose incidence is increasing globally. Melanoma is characterized by high resistance to therapy and relapse. Despite significant advances in the treatment of metastatic melanoma, many patients experience progression due to resistance mechanisms. Epigenetic changes, including alterations in chromatin remodeling, DNA methylation, histone modifications, and non-coding RNA rearrangements, contribute to neoplastic transformation, metastasis, and drug resistance in melanoma. This review summarizes current research on epigenetic mechanisms in melanoma and their therapeutic potential. Specifically, we discuss the role of histone acetylation and methylation in gene expression regulation and melanoma pathobiology, as well as the promising results of HDAC inhibitors and DNMT inhibitors in clinical trials. We also examine the dysregulation of non-coding RNA, particularly miRNAs, and their potential as targets for melanoma therapy. Finally, we highlight the challenges of epigenetic therapies, such as the complexity of epigenetic mechanisms combined with immunotherapies and the need for combination therapies to overcome drug resistance. In conclusion, epigenetic changes may be reversible, and the use of combination therapy between traditional therapies and epigenetically targeted drugs could be a viable solution to reverse the increasing number of patients who develop treatment resistance or even prevent it. While several clinical trials are underway, the complexity of these mechanisms presents a significant challenge to the development of effective therapies. Further research is needed to fully understand the role of epigenetic mechanisms in melanoma and to develop more effective and targeted therapies.
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Affiliation(s)
- Marco Rubatto
- Department of Medical Sciences, Dermatologic Clinic, University of Turin Medical School, Turin, Italy
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2
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Drakontaeidi A, Pontiki E. A Review on Molecular Docking on HDAC Isoforms: Novel Tool for Designing Selective Inhibitors. Pharmaceuticals (Basel) 2023; 16:1639. [PMID: 38139766 PMCID: PMC10746130 DOI: 10.3390/ph16121639] [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: 10/08/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 12/24/2023] Open
Abstract
Research into histone deacetylases (HDACs) has experienced a remarkable surge in recent years. These enzymes are key regulators of several fundamental biological processes, often associated with severe and potentially fatal diseases. Inhibition of their activity represents a promising therapeutic approach and a prospective strategy for the development of new therapeutic agents. A critical aspect of their inhibition is to achieve selectivity in terms of enzyme isoforms, which is essential to improve treatment efficacy while reducing undesirable pleiotropic effects. The development of computational chemistry tools, particularly molecular docking, is greatly enhancing the precision of designing molecules with inherent potential for specific activity. Therefore, it was considered necessary to review the molecular docking studies conducted on the major isozymes of the enzyme in order to identify the specific interactions associated with each selective HDAC inhibitor. In particular, the most critical isozymes of HDAC (1, 2, 3, 6, and 8) have been thoroughly investigated within the scope of this review.
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Affiliation(s)
| | - Eleni Pontiki
- Department of Pharmaceutical Chemistry, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
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3
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Farani MR, Sarlak M, Gholami A, Azaraian M, Binabaj MM, Kakavandi S, Tambuwala MM, Taheriazam A, Hashemi M, Ghasemi S. Epigenetic drugs as new emerging therapeutics: What is the scale's orientation of application and challenges? Pathol Res Pract 2023; 248:154688. [PMID: 37494800 DOI: 10.1016/j.prp.2023.154688] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023]
Abstract
Epigenetics is the study of heritable changes in gene expression or function without altering the DNA sequence. Important factors are part of epigenetic events, such as methylation, DNA histone rearrangements, nucleosome transposition, and non-coding RNAs. Dysregulated epigenetic mechanics are associated with various cancers' initiation, development, and metastasis. It is known that the occurrence and development of cancer can be controlled by regulating unexpected epigenetic events. Epi-drugs are used singly or in combination with chemotherapy and enhance antitumor activity, reduce drug resistance, and stimulate the host immune response. Despite these benefits, epigenetic therapy as a single therapy or in combination with other drugs leads to adverse effects. This review article introduces and compares the advantages, disadvantages, and side effects of using these drugs for the first time since their introduction. Also, this article describes the mechanism of action of various epigenetic drugs. Recommendations for future use of epigenetic drugs as cancer therapeutics are suggested as an overall conclusion.
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Affiliation(s)
- Marzieh Ramezani Farani
- Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, 1417614411 Tehran, Iran
| | - Maryam Sarlak
- Department of Chemistry, Portland State University, Portland, OR, USA
| | - Amir Gholami
- Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Maryam Azaraian
- Department of Radiology, Charité - Universitätsmedizin Berlin, Berlin 10117, Germany; Department of Bioanalytical Ecotoxicology, UFZ - Helmholtz Centre for Environmental Research, Leipzig, Germany
| | - Maryam Moradi Binabaj
- Clinical Biochemistry, Department of Biochemistry and Nutrition, School of Medicine, Sabzevar University of Medical Science, Sabzevar, Iran; Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Sareh Kakavandi
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Murtaza M Tambuwala
- Lincoln Medical School, University of Lincoln, Brayford Pool, Lincoln, LN6 7TS, 0United Kingdom
| | - Afshin Taheriazam
- Department of Orthopedics, Faculty of medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Sorayya Ghasemi
- Cancer Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran.
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4
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Jeong S, Kim HR, Shin JH, Son MH, Lee IH, Roe JS. Streamlined DNA-encoded small molecule library screening and validation for the discovery of novel chemotypes targeting BET proteins. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 32:637-649. [PMID: 37207130 PMCID: PMC10189352 DOI: 10.1016/j.omtn.2023.04.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 04/20/2023] [Indexed: 05/21/2023]
Abstract
Targeting aberrant epigenetic programs that drive tumorigenesis is a promising approach to cancer therapy. DNA-encoded library (DEL) screening is a core platform technology increasingly used to identify drugs that bind to protein targets. Here, we use DEL screening against bromodomain and extra-terminal motif (BET) proteins to identify inhibitors with new chemotypes, and successfully identified BBC1115 as a selective BET inhibitor. While BBC1115 does not structurally resemble OTX-015, a clinically active pan-BET inhibitor, our intensive biological characterization revealed that BBC1115 binds to BET proteins, including BRD4, and suppresses aberrant cell fate programs. Phenotypically, BBC1115-mediated BET inhibition impaired proliferation in acute myeloid leukemia, pancreatic, colorectal, and ovarian cancer cells in vitro. Moreover, intravenous administration of BBC1115 inhibited subcutaneous tumor xenograft growth with minimal toxicity and favorable pharmacokinetic properties in vivo. Since epigenetic regulations are ubiquitously distributed across normal and malignant cells, it will be critical to evaluate if BBC1115 affects normal cell function. Nonetheless, our study shows integrating DEL-based small-molecule compound screening and multi-step biological validation represents a reliable strategy to discover new chemotypes with selectivity, efficacy, and safety profiles for targeting proteins involved in epigenetic regulation in human malignancies.
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Affiliation(s)
- Seoyeon Jeong
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | - Hwa-Ryeon Kim
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | - June-Ha Shin
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | | | | | - Jae-Seok Roe
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
- Corresponding author: Jae-Seok Roe, PhD, Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea.
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5
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Chen H, Huang Z, Chen C. The Role of Histone Acetylation Modification in Dental Tissue-Derived Mesenchymal Stem Cells and Odontogenesis. Cell Reprogram 2023; 25:11-19. [PMID: 36594932 DOI: 10.1089/cell.2022.0091] [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: 01/04/2023] Open
Abstract
Odontogenesis is a complex physiological process that is based on dental tissue-derived mesenchymal stem cells (MSCs). Dental tissue-derived MSCs are the stem cell populations isolated and characterized from different parts of the oral cavity, and are considered as promising candidates for stem cell-based therapy. During odontogenesis, epigenetic factors can influence the proliferation, differentiation, or apoptosis of dental tissue-derived MSCs. As one of the epigenetic modifications, histone acetylation modification is critical for the proper regulation of many biological processes, including transcriptional regulation of cell cycle progression and cell fate. In odontogenesis, histone acetylation and deacetylation play crucial roles in odontogenic differentiation of dental tissue-derived MSCs. In this review, we aim to outline the general features of acetylation modification and describe their roles in odontogenic differentiation of dental tissue-derived MSCs, as well as their future implications in the field of novel regenerative therapies for the dentine-pulp complex.
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Affiliation(s)
- Haoling Chen
- Department of Pediatric Dentistry, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Zijing Huang
- Department of Endodontics, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Chuxiao Chen
- Organ Transplant Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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6
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Appiah CO, Singh M, May L, Bakshi I, Vaidyanathan A, Dent P, Ginder G, Grant S, Bear H, Landry J. The epigenetic regulation of cancer cell recovery from therapy exposure and its implications as a novel therapeutic strategy for preventing disease recurrence. Adv Cancer Res 2023; 158:337-385. [PMID: 36990536 DOI: 10.1016/bs.acr.2022.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The ultimate goal of cancer therapy is the elimination of disease from patients. Most directly, this occurs through therapy-induced cell death. Therapy-induced growth arrest can also be a desirable outcome, if prolonged. Unfortunately, therapy-induced growth arrest is rarely durable and the recovering cell population can contribute to cancer recurrence. Consequently, therapeutic strategies that eliminate residual cancer cells reduce opportunities for recurrence. Recovery can occur through diverse mechanisms including quiescence or diapause, exit from senescence, suppression of apoptosis, cytoprotective autophagy, and reductive divisions resulting from polyploidy. Epigenetic regulation of the genome represents a fundamental regulatory mechanism integral to cancer-specific biology, including the recovery from therapy. Epigenetic pathways are particularly attractive therapeutic targets because they are reversible, without changes in DNA, and are catalyzed by druggable enzymes. Previous use of epigenetic-targeting therapies in combination with cancer therapeutics has not been widely successful because of either unacceptable toxicity or limited efficacy. The use of epigenetic-targeting therapies after a significant interval following initial cancer therapy could potentially reduce the toxicity of combination strategies, and possibly exploit essential epigenetic states following therapy exposure. This review examines the feasibility of targeting epigenetic mechanisms using a sequential approach to eliminate residual therapy-arrested populations, that might possibly prevent recovery and disease recurrence.
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Affiliation(s)
- Christiana O Appiah
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States; Wright Center for Clinical and Translational Research, Virginia Commonwealth University, Richmond, VA, United States
| | - Manjulata Singh
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Lauren May
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Ishita Bakshi
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Ashish Vaidyanathan
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Paul Dent
- Department of Biochemistry and Molecular Biology, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
| | - Gordon Ginder
- Department of Internal Medicine, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
| | - Steven Grant
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States; Department of Internal Medicine, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States; Department of Biochemistry and Molecular Biology, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States; Department of Microbiology & Immunology, Virginia Commonwealth University School of Medicine, Massey Cancer Center, Richmond, Richmond, VA, United States
| | - Harry Bear
- Department of Surgery, Virginia Commonwealth University School of Medicine, Massey Cancer Center, Richmond, VA, United States; Department of Microbiology & Immunology, Virginia Commonwealth University School of Medicine, Massey Cancer Center, Richmond, Richmond, VA, United States
| | - Joseph Landry
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, Massey Cancer Center, Virginia Commonwealth University School of Medicine, Richmond, VA, United States.
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7
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Dewaker V, Srivastava PN, Verma S, Srivastava AK, Prabhakar YS. Non-bonding energy directed designing of HDAC2 inhibitors through molecular dynamics simulation. J Biomol Struct Dyn 2022; 40:13432-13455. [PMID: 34662251 DOI: 10.1080/07391102.2021.1989037] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Designing an inhibitor having strong affinity in the active site pocket is the cherished goal of structure based drug designing. To achieve this, it is considerably important to predict which structural scaffold is better suited for change to increase affinity. We have explored five HDAC2 co-crystals having PDB ligand code-SHH (vorinostat), LLX, 20Y, IWX (BRD4884) and 6EZ (BRD7232). For analyzing protein-ligand interaction at an atomistic level, we have employed the NAMD molecular dynamics (MD) package. The obtained 100 ns long MD trajectories were subjected to quantitative estimations of non-bonding energies (NBEs) for inferring their interactions with the whole protein or its composite active site (CAS). In addition, relative ΔGbind was calculated to rank the inhibitors. These inhibitors' NBEs reveal that the phenyl moieties are the major structural scaffold where modifications should be attempted. We designed new compounds (NCs) via introducing hydroxyl groups at 4,5 position of the phenyl moiety of 6EZ, called NC1. Improvement in NC1 further encouraged us for CAP modification by isochromane and isoindoline moieties in place of oxabicyclooctane in NC1, resulting in NC2 and NC3. We also explored trifluoromethyl oxadiazole in 6EZ (NC4 and NC5) and SHH (NC6 and NC7). This moiety acts as a ZBG in NC4 while acting as a part of the foot-pocket in the rest. NC2 and NC6 have highest favorable NBEs among all studied ligands due increased favorable electrostatic contribution. We expect these NBEs data will provide atomistic level insights and benefit in designing new and improved HDAC2 inhibitors. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Varun Dewaker
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Pratik Narain Srivastava
- Molecular Parasitology and Immunology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Saroj Verma
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India.,College of Pharmacy, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana, India
| | - Ajay K Srivastava
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Yenamandra S Prabhakar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
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8
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Zuzina AB, Balaban PM. Contribution of histone acetylation to the serotonin-mediated long-term synaptic plasticity in terrestrial snails. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2022; 208:521-535. [PMID: 35943582 DOI: 10.1007/s00359-022-01562-1] [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: 04/06/2022] [Revised: 07/16/2022] [Accepted: 07/24/2022] [Indexed: 12/14/2022]
Abstract
Serotonin plays a decisive role in long-term synaptic plasticity and long-term memory in mollusks. Previously, we demonstrated that histone acetylation is a regulatory mechanism of long-term memory in terrestrial snail. At the behavioral level, many studies were done in Helix to elucidate the role of histone acetylation and serotonin. However, the impact of histone acetylation on long-term potentiation of synaptic efficiency in electrophysiological studies in Helix has been studied only in one paper. Here we investigated effects of serotonin, histone deacetylases inhibitors sodium butyrate and trichostatin A, and a serotonergic receptor inhibitor methiothepin on long-term potentiation of synaptic responses in vitro. We demonstrated that methiothepin drastically declined the EPSPs amplitudes when long-term potentiation was induced, while co-application either of histone deacetylase inhibitors sodium butyrate or trichostatin A with methiothepin prevented the weakening of potentiation. We showed that single serotonin application in combination with histone deacetylase blockade could mimic the effect of repeated serotonin applications and be enough for sustained long-lasting synaptic changes. The data obtained demonstrated that histone deacetylases blockade ameliorated deficits in synaptic plasticity induced by different paradigms (methiothepin treatment, the weak training protocol with single application of serotonin), suggesting that histone acetylation contributes to the serotonin-mediated synaptic plasticity.
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Affiliation(s)
- Alena B Zuzina
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
| | - Pavel M Balaban
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.
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9
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Tan S, Li X. Small-Molecule Fluorescent Probes for Detecting HDAC Activity. Chem Asian J 2022; 17:e202200835. [PMID: 36117388 DOI: 10.1002/asia.202200835] [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: 08/11/2022] [Revised: 09/15/2022] [Indexed: 11/05/2022]
Abstract
Histone deacetylases (HDACs) play critical roles in epigenetic modification. These enzymes can remove acetyl groups from the N-terminal lysine residues of histones, thereby regulating gene expression. Because of their great relevance to various diseases, numerous HDAC inhibitors have been developed. In this context, assays for HDAC activity are prerequisite. Due to the advantages of small-molecule fluorescent probes, researchers have developed many probes to detect HDAC activity for developing HDAC inhibitors. Based on the mechanism of action, two main types of small-molecule fluorescent probes are known. One type is based on binding affinity that are generally HDAC inhibitor-fluorophore conjugates. The other one is enzyme-activated probes, which act as HDAC substrates and show fluorogenic or ratiometric response after being deacetylated by HDACs.
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Affiliation(s)
- Shuyu Tan
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Xin Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, P. R. China
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10
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Liotti A, Ferrara AL, Loffredo S, Galdiero MR, Varricchi G, Di Rella F, Maniscalco GT, Belardo M, Vastano R, Prencipe R, Pignata L, Romano R, Spadaro G, de Candia P, Pezone A, De Rosa V. Epigenetics: an Opportunity to Shape Innate and Adaptive Immune Responses. Immunol Suppl 2022; 167:451-470. [PMID: 36043705 DOI: 10.1111/imm.13571] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/09/2022] [Indexed: 12/01/2022]
Abstract
Epigenetics connects genetic and environmental factors: it includes DNA methylation, histone post-translational modifications and the regulation of chromatin accessibility by non-coding RNAs, all of which control constitutive or inducible gene transcription. This plays a key role in harnessing the transcriptional programs of both innate and adaptive immune cells due to its plasticity and environmental-driven nature, piloting myeloid and lymphoid cell fate decision with no change in their genomic sequence. In particular, epigenetic marks at the site of lineage specific transcription factors and maintenance of cell type-specific epigenetic modifications, referred to as "epigenetic memory", dictate cell differentiation, cytokine production and functional capacity following repeated antigenic exposure in memory T cells. Moreover, metabolic and epigenetic reprogramming occurring during a primary innate immune response leads to enhanced responses to secondary challenges, a phenomenon known as "trained immunity". Here we discuss how stable and dynamic epigenetic states control immune cell identity and plasticity in physiological and pathological conditions. Dissecting the regulatory circuits of cell fate determination and maintenance is of paramount importance for understanding the delicate balance between immune cell activation and tolerance, in healthy conditions and in autoimmune diseases. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Antonietta Liotti
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy
| | - Anne Lise Ferrara
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.,Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Stefania Loffredo
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.,Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Maria Rosaria Galdiero
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.,Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Gilda Varricchi
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy.,Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Francesca Di Rella
- Department of Breast and Thoracic Oncology, Istituto Nazionale Tumori IRCCS Fondazione Pascale, Naples, Italy
| | - Giorgia Teresa Maniscalco
- Neurological Clinic and Stroke Unit and Multiple Sclerosis Center "A. Cardarelli" Hospital, Naples, Italy
| | - Martina Belardo
- Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Roberta Vastano
- Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Rosaria Prencipe
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy
| | - Laura Pignata
- Department of Environmental Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania "Luigi Vanvitelli", Caserta, Italy
| | - Roberta Romano
- Department of Translational Medical Sciences, Pediatric Section, University of Naples "Federico II", Naples, Italy
| | - Giuseppe Spadaro
- Department of Translational Medical Sciences, Center for Basic and Clinical Immunology Research (CISI) and World Allergy Organization (WAO) Center of Excellence, University of Naples "Federico II", Naples, Italy
| | - Paola de Candia
- Department of Molecular Medicine and Medical Biotechnology, University of Naples "Federico II", Naples, Italy
| | - Antonio Pezone
- Department of Biology, University of Naples "Federico II", Naples, Italy
| | - Veronica De Rosa
- Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy
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11
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Ferrara AL, Liotti A, Pezone A, De Rosa V. Therapeutic opportunities to modulate immune tolerance through the metabolism-chromatin axis. Trends Endocrinol Metab 2022; 33:507-521. [PMID: 35508518 DOI: 10.1016/j.tem.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/30/2022] [Accepted: 04/05/2022] [Indexed: 11/17/2022]
Abstract
The ability of the immune system to discriminate external stimuli from self-components - namely immune tolerance - occurs through a coordinated cascade of events involving a dense network of immune cells. Among them, CD4+CD25+ T regulatory cells are crucial to balance immune homeostasis and function. Growing evidence supports the notion that energy metabolites can dictate T cell fate and function via epigenetic modifications, which affect gene expression without altering the DNA sequence. Moreover, changes in cellular metabolism couple with activation of immune pathways and epigenetic remodeling to finely tune the balance between T cell activation and tolerance. This Review summarizes these aspects and critically evaluates novel possibilities for developing therapeutic strategies to modulate immune tolerance through metabolism via epigenetic drugs.
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Affiliation(s)
- Anne Lise Ferrara
- Dipartimento di Scienze Mediche Traslazionali, Università di Napoli "Federico II", 80131 Napoli, Italy; Istituto per l'Endocrinologia e l'Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), 80131 Napoli, Italy
| | - Antonietta Liotti
- Istituto per l'Endocrinologia e l'Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), 80131 Napoli, Italy
| | - Antonio Pezone
- Dipartimento di Biologia, Università di Napoli "Federico II", 80131 Napoli, Italy.
| | - Veronica De Rosa
- Istituto per l'Endocrinologia e l'Oncologia Sperimentale, Consiglio Nazionale delle Ricerche (IEOS-CNR), 80131 Napoli, Italy.
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12
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Ding Q, Wu X, Li X, Wang H. Vorinostat Corrects Cognitive and Non-Cognitive Symptoms in a Mouse Model of Fragile X Syndrome. Int J Neuropsychopharmacol 2022; 25:147-159. [PMID: 34791268 PMCID: PMC8832232 DOI: 10.1093/ijnp/pyab081] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 11/04/2021] [Accepted: 11/12/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Fragile X syndrome (FXS) is caused by mutations in the FMR1 gene. It is a form of heritable intellectual disability and autism. Despite recent advance in elucidating disease mechanisms, there is no efficacious medication. Because de novo drug development is a lengthy process, repurposing the existing FDA-approved drugs offers an opportunity to advance clinical intervention for FXS. Our previous study with transcriptome analysis predicts potential therapeutic effects of vorinostat on FXS. METHODS We analyzed the vorinostat-induced transcriptome changes and confirmed its similarity to that induced by trifluoperazine, which was previously shown to correct pathological outcomes associated with FXS. To validate the therapeutic efficacy, we examined vorinostat's effect on correcting the key behavioral and cellular symptoms in a mouse model of FXS. RESULTS We found that vorinostat restores object location memory and passive avoidance memory in the Fmr1 knockout mice. For the non-cognitive behavioral symptoms, vorinostat corrected the autism-associated alterations, including repetitive behavior and social interaction deficits. In the open field test, vorinostat dampened hyperactivity in the center area of the arena. Surprisingly, vorinostat did not correct the abnormally elevated protein synthesis in cultured Fmr1 knockout hippocampal neurons, suggesting that different aspects of pathological outcomes may respond differently to a specific therapeutic intervention. CONCLUSIONS We used the drug-induced transcriptome signature to predict new application of existing drugs. Our data reveal the therapeutic effects of the FDA-approved drug vorinostat in a mouse model of FXS.
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Affiliation(s)
- Qi Ding
- Department of Physiology Michigan State University, East Lansing, Michigan, USA
| | - Xueting Wu
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Xuan Li
- Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Hongbing Wang
- Department of Physiology Michigan State University, East Lansing, Michigan, USA
- Neuroscience Program Michigan State University, East Lansing, Michigan, USA
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13
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Tang R, Li Y, Han F, Li Z, Lin X, Sun H, Zhang X, Jiang Q, Nie H, Li Y. A CTCF-Binding Element and Histone Deacetylation Cooperatively Maintain Chromatin Loops, Linking to Long-Range Gene Regulation in Cancer Genomes. Front Oncol 2022; 11:821495. [PMID: 35127534 PMCID: PMC8813737 DOI: 10.3389/fonc.2021.821495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 12/16/2021] [Indexed: 11/26/2022] Open
Abstract
Background Genes spanning long chromosomal domains are coordinately regulated in human genome, which contribute to global gene dysregulation and carcinogenesis in cancer. It has been noticed that epigenetic modification and chromatin architecture may participate in the regulation process. However, the regulation patterns and functional elements of long-range gene regulation are unclear. Methods Based on the clinical transcriptome data from different tumor sets, a novel expressional correlation analysis pipeline was performed to classify the co-regulated regions and subsets of intercorrelated regions. The GLAM2 program was used to predict conserved DNA elements that enriched in regions. Two conserved elements were selected to delete in Ishikawa and HeLa cells by CRISPR-Cas9. SAHA treatment and HDAC knockdown were used to change the histone acetylation status. Using qPCR, MTT, and scratch healing assay, we evaluate the effect on gene expression and cancer cell phenotype. By DNA pull-down and ChIP, the element-binding proteins were testified. 3C and 3D-FISH were performed to depict the alteration in chromatin architecture. Results In multiple cancer genomes, we classified subsets of coordinately regulated regions (sub-CRRs) that possibly shared the same regulatory mechanisms and exhibited similar expression patterns. A new conserved DNA element (CRE30) was enriched in sub-CRRs and associated with cancer patient survival. CRE30 could restrict gene regulation in sub-CRRs and affect cancer cell phenotypes. DNA pull-down showed that multiple proteins including CTCF were recruited on the CRE30 locus, and ChIP assay confirmed the CTCF-binding signals. Subsequent results uncovered that as an essential element, CRE30 maintained chromatin loops and mediated a compact chromatin architecture. Moreover, we found that blocking global histone deacetylation induced chromatin loop disruption and CTCF dropping in the region containing CRE30, linked to promoted gene regulation. Additionally, similar effects were observed with CRE30 deletion in another locus of chromosome 8. Conclusions Our research clarified a new functional element that recruits CTCF and collaborates with histone deacetylation to maintain high-order chromatin organizations, linking to long-range gene regulation in cancer genomes. The findings highlight a close relationship among conserved DNA element, epigenetic modification, and chromatin architecture in long-range gene regulation process.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Huan Nie
- *Correspondence: Yu Li, ; Huan Nie,
| | - Yu Li
- *Correspondence: Yu Li, ; Huan Nie,
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14
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Li W, Li F, Zhang X, Lin HK, Xu C. Insights into the post-translational modification and its emerging role in shaping the tumor microenvironment. Signal Transduct Target Ther 2021; 6:422. [PMID: 34924561 PMCID: PMC8685280 DOI: 10.1038/s41392-021-00825-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 12/11/2022] Open
Abstract
More and more in-depth studies have revealed that the occurrence and development of tumors depend on gene mutation and tumor heterogeneity. The most important manifestation of tumor heterogeneity is the dynamic change of tumor microenvironment (TME) heterogeneity. This depends not only on the tumor cells themselves in the microenvironment where the infiltrating immune cells and matrix together forming an antitumor and/or pro-tumor network. TME has resulted in novel therapeutic interventions as a place beyond tumor beds. The malignant cancer cells, tumor infiltrate immune cells, angiogenic vascular cells, lymphatic endothelial cells, cancer-associated fibroblastic cells, and the released factors including intracellular metabolites, hormonal signals and inflammatory mediators all contribute actively to cancer progression. Protein post-translational modification (PTM) is often regarded as a degradative mechanism in protein destruction or turnover to maintain physiological homeostasis. Advances in quantitative transcriptomics, proteomics, and nuclease-based gene editing are now paving the global ways for exploring PTMs. In this review, we focus on recent developments in the PTM area and speculate on their importance as a critical functional readout for the regulation of TME. A wealth of information has been emerging to prove useful in the search for conventional therapies and the development of global therapeutic strategies.
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Affiliation(s)
- Wen Li
- Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042, Chengdu, P. R. China
| | - Feifei Li
- Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042, Chengdu, P. R. China
- Guangxi Collaborative Innovation Center for Biomedicine (Guangxi-ASEAN Collaborative Innovation Center for Major Disease Prevention and Treatment), Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Xia Zhang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), 400038, Chongqing, China
| | - Hui-Kuan Lin
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Wake Forest University, Winston Salem, NC, 27101, USA
| | - Chuan Xu
- Integrative Cancer Center & Cancer Clinical Research Center, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, 610042, Chengdu, P. R. China.
- Department of Cancer Biology, Wake Forest Baptist Medical Center, Wake Forest University, Winston Salem, NC, 27101, USA.
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15
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Logan RW, Ozburn AR, Arey RN, Ketchesin KD, Winquist A, Crain A, Tobe BTD, Becker-Krail D, Jarpe MB, Xue X, Zong W, Huo Z, Parekh PK, Zhu X, Fitzgerald E, Zhang H, Oliver-Smith J, DePoy LM, Hildebrand MA, Snyder EY, Tseng GC, McClung CA. Valproate reverses mania-like behaviors in mice via preferential targeting of HDAC2. Mol Psychiatry 2021; 26:4066-4084. [PMID: 33235333 PMCID: PMC8141541 DOI: 10.1038/s41380-020-00958-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/20/2020] [Accepted: 11/06/2020] [Indexed: 12/15/2022]
Abstract
Valproate (VPA) has been used in the treatment of bipolar disorder since the 1990s. However, the therapeutic targets of VPA have remained elusive. Here we employ a preclinical model to identify the therapeutic targets of VPA. We find compounds that inhibit histone deacetylase proteins (HDACs) are effective in normalizing manic-like behavior, and that class I HDACs (e.g., HDAC1 and HDAC2) are most important in this response. Using an RNAi approach, we find that HDAC2, but not HDAC1, inhibition in the ventral tegmental area (VTA) is sufficient to normalize behavior. Furthermore, HDAC2 overexpression in the VTA prevents the actions of VPA. We used RNA sequencing in both mice and human induced pluripotent stem cells (iPSCs) derived from bipolar patients to further identify important molecular targets. Together, these studies identify HDAC2 and downstream targets for the development of novel therapeutics for bipolar mania.
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Affiliation(s)
- Ryan W. Logan
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Angela R. Ozburn
- Department of Behavioral Neuroscience, Portland Alcohol Research Center, Oregon Health & Science University, Portland, OR 97239, USA.,VA Portland Health Care System, Portland, OR 97239, USA
| | - Rachel N. Arey
- Department of Molecular and Cellular Biology and Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Kyle D. Ketchesin
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Alicia Winquist
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Andrew Crain
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA
| | - Brian T. D. Tobe
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA.,Department of Psychiatry, Veterans Administration Medical Center, La Jolla, CA 92037, USA
| | - Darius Becker-Krail
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Matthew B. Jarpe
- Regenacy Pharmaceuticals, 303 Wyman St, Suite 300, Waltham, MA, 02451, USA
| | - Xiangning Xue
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Wei Zong
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Zhiguang Huo
- Department of Biostatistics, University of Florida, Gainesville, FL, 32611, USA
| | - Puja K. Parekh
- Brain and Mind Research Institute, Department of Psychiatry, and Sackler Institute for Developmental Psychobiology, Weill Cornell Medicine, New York, NY 10021, USA
| | - Xiyu Zhu
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA.,Department of Neuroscience, University of Pittsburgh, PA, 15260, USA
| | - Ethan Fitzgerald
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Hui Zhang
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA.,Peking Union Medical College Hospital, Beijing, China 100730
| | - Jeffrey Oliver-Smith
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Lauren M. DePoy
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Mariah A. Hildebrand
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA
| | - Evan Y. Snyder
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.,Sanford Consortium for Regenerative Medicine, La Jolla, CA 92037, USA.,Department of Pediatrics, University of California San Diego, La Jolla, CA, 92037, USA
| | - George C. Tseng
- Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, 15261, USA.,Department of Computational and Systems Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Colleen A. McClung
- Translational Neuroscience Program, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA.,Corresponding Author: Colleen A. McClung, Ph.D., Department of Psychiatry, 450 Technology Drive, Suite 223, Pittsburgh, PA 15219, , 412-624-5547
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16
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Bordonaro M. Hypothesis: Sam68 and Pygo2 mediate cell type-specific effects of the modulation of CBP-Wnt and p300-Wnt activities in Colorectal Cancer Cells. J Cancer 2021; 12:5046-5052. [PMID: 34234873 PMCID: PMC8247382 DOI: 10.7150/jca.59726] [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: 02/23/2021] [Accepted: 06/07/2021] [Indexed: 11/08/2022] Open
Abstract
The preventive activity of dietary fiber against colorectal cancer (CRC) may be in part mediated by the fermentation product of fiber, butyrate, a histone deacetylase inhibitor (HDACi) that induces CRC cell growth arrest and apoptosis. This action of butyrate, and other HDACis, is in part due to the hyperactivation of the deregulated Wnt activity found in the relevant CRC cell lines. The histone acetylases CBP and p300 interact with beta-catenin; and the relative levels of CBP-Wnt vs. p300-Wnt activity influences CRC cell physiology. It has previously been observed that there are cell type-specific differences in how cotreatment with butyrate and ICG-001, an agent that blocks CBP-Wnt activity allowing for p300-Wnt activity, affects CRC cell physiology. These differences may have clinical significance in dealing with treatment of CRC patients with ICG-001-like agents. Sam68 is a factor differentially expressed in cancer cells, with higher expression in cancer cell lines that have cancer stem cell (CSC)-like properties. Sam68 expression sensitizes cancer cells to ICG-001 treatment, as ICG-001 enhances nuclear localization of Sam68, where binding between Sam68 and CBP diminishes CBP-beta-catenin binding and thus CBP-Wnt activity. Pygo2 is a chromatin effector involved with Wnt signaling that is differentially acetylated by CBP and p300; thus CBP-mediated acetylation localized Pygo2 to the nucleus where it functions in transcriptional activation, while p300-mediated acetylation localizes Pygo2 to the cytoplasm. This paper proposes the hypothesis that Sam68 and Pygo2 are responsible for cell type-specific response of CRC cell lines cotreated with ICG-001 and butyrate as well as other HDACis. Further, experiments are proposed to evaluate this hypothesis and consider possible expected results that could be obtained from such studies.
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Affiliation(s)
- Michael Bordonaro
- Department of Medical Education, Geisinger Commonwealth School of Medicine, 525 Pine Street, Scranton, PA 18509, USA
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17
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Athira KV, Sadanandan P, Chakravarty S. Repurposing Vorinostat for the Treatment of Disorders Affecting Brain. Neuromolecular Med 2021; 23:449-465. [PMID: 33948878 DOI: 10.1007/s12017-021-08660-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 04/09/2021] [Indexed: 12/19/2022]
Abstract
Based on the findings in recent years, we summarize the therapeutic potential of vorinostat (VOR), the first approved histone deacetylase (HDAC) inhibitor, in disorders of brain, and strategies to improve drug efficacy and reduce side effects. Scientific evidences provide a strong case for the therapeutic utility of VOR in various disorders affecting brain, including stroke, Alzheimer's disease, frontotemporal dementia, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, spinal muscular atrophy, X-linked adrenoleukodystrophy, epilepsy, Niemann-Pick type C disease, and neuropsychiatric disorders. Further elucidation of the neuroprotective and neurorestorative properties of VOR using proper clinical study designs could provide momentum towards its clinical application. To improve the therapeutic prospect, concerns on systemic toxicity and off-target actions need to be addressed along with the improvement in formulation and delivery aspects, especially with respect to solubility, permeability, and pharmacokinetic properties. Newer approaches in this regard include poly(ethylene glycol)-b-poly(DL-lactic acid) micelles, VOR-pluronic F127 micelles, encapsulation of iron complexes of VOR into PEGylated liposomes, human serum albumin bound VOR nanomedicine, magnetically guided layer-by-layer assembled nanocarriers, as well as convection-enhanced delivery. Even though targeting specific class or isoform of HDAC is projected as advantageous over pan-HDAC inhibitor like VOR, in terms of adverse effects and efficacy, till clinical validation, the idea is debated. As the VOR treatment-related adverse changes are mostly found reversible, further optimization of the therapeutic strategies with respect to dose, dosage regimen, and formulations of VOR could propel its clinical prospects.
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Affiliation(s)
- K V Athira
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Institute of Medical Sciences Health Sciences Campus, Kochi, 682 041, Kerala, India.
| | - Prashant Sadanandan
- Department of Pharmaceutical Chemistry & Analysis, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Amrita Institute of Medical Sciences Health Sciences Campus, Kochi, 682 041, Kerala, India
| | - Sumana Chakravarty
- Applied Biology Division, CSIR- Indian Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad, 500007, Telangana, India.
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18
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Vinarskaya AK, Balaban PM, Roshchin MV, Zuzina AB. Sodium butyrate as a selective cognitive enhancer for weak or impaired memory. Neurobiol Learn Mem 2021; 180:107414. [PMID: 33610771 DOI: 10.1016/j.nlm.2021.107414] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/23/2021] [Accepted: 02/15/2021] [Indexed: 01/09/2023]
Abstract
Several recent studies showed that memory can be modulated by manipulating chromatin modifications using histone deacetylase (HDAC) inhibitors during memory formation, consolidation, and reconsolidation. We used a context fear conditioning paradigm with minimal non-painful current as a reinforcement, what elicited alertness to the context and freezing during tests in rats. Such paradigm resulted in a relatively weak memory in significant part of the rats. Here, we demonstrate that intraperitoneal administration of the HDAC inhibitor sodium butyrate immediately following memory reactivation, produced memory enhancement in rats with weak memory, however, not in rats with strong memory. Additionally, we investigated the ability of the HDAC inhibitor sodium butyrate to restore the contextual memory impaired due to the blockade of protein synthesis during memory reactivation. The results obtained evidence that the HDAC inhibitor sodium butyrate reinstated the impaired contextual memory. This enhancement effect is consistent with other studies demonstrating a role for HDAC inhibitors in the facilitation of contextual fear.
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Affiliation(s)
- Aliya Kh Vinarskaya
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, 5A Butlerova St., Moscow 117485, Russia.
| | - Pavel M Balaban
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, 5A Butlerova St., Moscow 117485, Russia
| | - Matvey V Roshchin
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, 5A Butlerova St., Moscow 117485, Russia
| | - Alena B Zuzina
- Cellular Neurobiology of Learning Lab, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, 5A Butlerova St., Moscow 117485, Russia.
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Common targets for a deadly duo of diabetes mellitus and colon cancer: Catching two fish with one worm. Eur J Pharmacol 2021; 893:173805. [PMID: 33359221 DOI: 10.1016/j.ejphar.2020.173805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 11/05/2020] [Accepted: 12/08/2020] [Indexed: 12/21/2022]
Abstract
Colon cancer is a major health issue and number of cases are increasing every year. Diabetes mellitus is also a significant health issue that is growing day by day worldwide having negative influences on the survival of individuals. Research has shown a strong relationship between the two malignant diseases. The risk of colon cancer with patients who have type 2 diabetes mellitus has spiked by 30%. The scientific research suggests insulin has a major role in the spread of cancer and the condition unifying between the two diseases is hyperinsulinemia. Several anti-diabetic agents are used for the treatment of type 2 diabetesmellitus. However, their mechanism of action against cancer activity is a question and only a few agents have shown positive signs of action in colon cancer associated with type 2 diabetesmellitus. Hence, the identification of targets, which is common for both colon cancer, associated with type 2 diabetesmellitus has become an urgent requirement. Novel targets such as Liver X receptors, Histone deacetylase inhibitors (HDACi), Glucose Transporters (GLUTs), Peroxisome proliferator activator receptors (PPARs), Dipeptidyl peptidase-IV inhibitors (DPP4i), Cyclin-dependent kinase 4 inhibitors (CDK4i), Estrogen receptors,Mechanistic target of rapamycin (mTOR), Insulin-like growth factor receptors (IGF) are some of the targets which are common for both, type 2 diabetesmellitus and colon cancer. This current review gives an overview of the targets (using one worm) which are common for both viz. diabetes mellitus and colon cancer (two fish).
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20
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Vu TK, Thanh NT, Minh NV, Linh NH, Thao NTP, Nguyen TTB, Hien DT, Chinh LV, Duc TH, Anh LD, Hai PT. Novel Conjugated Quinazolinone-Based Hydroxamic Acids: Design, Synthesis and Biological Evaluation. Med Chem 2021; 17:732-749. [PMID: 32310052 DOI: 10.2174/1573406416666200420081540] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/04/2020] [Accepted: 03/04/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND The target-based approach to drug discovery currently attracts a great deal of interest from medicinal chemists in anticancer drug discovery and development. Histone deacetylase (HDAC) inhibitors represent an extensive class of targeted anti-cancer agents. Among the most explored structure moieties, hydroxybenzamides and hydroxypropenamides have been demonstrated to have potential HDAC inhibitory effects. Several compounds of these structural classes have been approved for clinical uses to treat different types of cancer, such as vorinostat and belinostat. AIMS This study aims at developing novel HDAC inhibitors bearing conjugated quinazolinone scaffolds with potential cytotoxicity against different cancer cell lines. METHODS A series of novel N-hydroxyheptanamides incorporating conjugated 6-hydroxy-2 methylquinazolin- 4(3H)-ones (15a-l) was designed, synthesized and evaluated for HDAC inhibitory potency as well as cytotoxicity against three human cancer cell lines, including HepG-2, MCF-7 and SKLu-1. Molecular simulations were finally performed to gain more insight into the structureactivity relationships. RESULTS It was found that among novel conjugated quinazolinone-based hydroxamic acids synthesized, compounds 15a, 15c and 15f were the most potent, both in terms of HDAC inhibition and cytotoxicity. Especially, compound 15f displayed up to nearly 4-fold more potent than SAHA (vorinostat) in terms of cytotoxicity against MCF-7 cell line with IC50 value of 1.86 μM, and HDAC inhibition with IC50 value of 6.36 μM. Docking experiments on HDAC2 isozyme showed that these compounds bound to HDAC2 with binding affinities ranging from -10.08 to -14.93 kcal/mol compared to SAHA (-15.84 kcal/mol). It was also found in this research that most of the target compounds seemed to be more cytotoxic toward SKLu-1than MCF-7 and HepG-2. CONCLUSION The resesrch results suggest that some hydroxamic acids could emerge for further evaluation and the results are well served as basics for further design of more potent HDAC inhibitors and antitumor agents.
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Affiliation(s)
- Tran Khac Vu
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Nguyen Thi Thanh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Nguyen Van Minh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Nguyen Huong Linh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Nguyen Thi Phương Thao
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Trương Thuc Bao Nguyen
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Doan Thi Hien
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Luu Van Chinh
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet-Cau Giay, Hanoi, Vietnam
| | - Ta Hong Duc
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam
| | - Lai Duc Anh
- Department of Pharmaceutical Chemistry, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
| | - Pham-The Hai
- Department of Pharmaceutical Chemistry, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
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21
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Current Therapies in Nephrotic Syndrome: HDAC inhibitors, an Emerging Therapy for Kidney Diseases. CURRENT RESEARCH IN BIOTECHNOLOGY 2021. [DOI: 10.1016/j.crbiot.2021.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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22
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Huang Z, Li R, Tang T, Ling D, Wang M, Xu D, Sun M, Zheng L, Zhu F, Min H, Boonhok R, Ding Y, Wen Y, Chen Y, Li X, Chen Y, Liu T, Han J, Miao J, Fang Q, Cao Y, Tang Y, Cui J, Xu W, Cui L, Zhu J, Wong G, Li J, Jiang L. A novel multistage antiplasmodial inhibitor targeting Plasmodium falciparum histone deacetylase 1. Cell Discov 2020; 6:93. [PMID: 33311461 PMCID: PMC7733455 DOI: 10.1038/s41421-020-00215-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 09/09/2020] [Indexed: 01/07/2023] Open
Abstract
Although artemisinin combination therapies have succeeded in reducing the global burden of malaria, multidrug resistance of the deadliest malaria parasite, Plasmodium falciparum, is emerging worldwide. Innovative antimalarial drugs that kill all life-cycle stages of malaria parasites are urgently needed. Here, we report the discovery of the compound JX21108 with broad antiplasmodial activity against multiple life-cycle stages of malaria parasites. JX21108 was developed from chemical optimization of quisinostat, a histone deacetylase inhibitor. We identified P. falciparum histone deacetylase 1 (PfHDAC1), an epigenetic regulator essential for parasite growth and invasion, as a molecular target of JX21108. PfHDAC1 knockdown leads to the downregulation of essential parasite genes, which is highly consistent with the transcriptomic changes induced by JX21108 treatment. Collectively, our data support that PfHDAC1 is a potential drug target for overcoming multidrug resistance and that JX21108 treats malaria and blocks parasite transmission simultaneously.
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Affiliation(s)
- Zhenghui Huang
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
| | - Ruoxi Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Tongke Tang
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Dazheng Ling
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Manjiong Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Dandan Xu
- Department of Microbiology and Parasitology, Bengbu Medical College, and Anhui Key Laboratory of Infection and Immunity, Bengbu, Anhui 233030, China
| | - Maoxin Sun
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Lulu Zheng
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Feng Zhu
- Division of Infectious Diseases and International Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Hui Min
- Division of Infectious Diseases and International Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Rachasak Boonhok
- Division of Infectious Diseases and International Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Yan Ding
- Department of Pathogenic Biology, Army Medical University, Chongqing 400038, China
| | - Yuhao Wen
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yicong Chen
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xiaokang Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Yuxi Chen
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
| | - Taiping Liu
- Department of Pathogenic Biology, Army Medical University, Chongqing 400038, China
| | - Jiping Han
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jun Miao
- Division of Infectious Diseases and International Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Qiang Fang
- Department of Microbiology and Parasitology, Bengbu Medical College, and Anhui Key Laboratory of Infection and Immunity, Bengbu, Anhui 233030, China
| | - Yaming Cao
- Department of Immunology, College of Basic Medical Sciences, China Medical University, Shenyang, Liaoning 110122, China
| | - Yun Tang
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Jie Cui
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Wenyue Xu
- Department of Pathogenic Biology, Army Medical University, Chongqing 400038, China
| | - Liwang Cui
- Division of Infectious Diseases and International Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Jin Zhu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China
| | - Gary Wong
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Jian Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China.
- Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, China.
| | - Lubin Jiang
- Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China.
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23
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Buocikova V, Rios-Mondragon I, Pilalis E, Chatziioannou A, Miklikova S, Mego M, Pajuste K, Rucins M, Yamani NE, Longhin EM, Sobolev A, Freixanet M, Puntes V, Plotniece A, Dusinska M, Cimpan MR, Gabelova A, Smolkova B. Epigenetics in Breast Cancer Therapy-New Strategies and Future Nanomedicine Perspectives. Cancers (Basel) 2020; 12:E3622. [PMID: 33287297 PMCID: PMC7761669 DOI: 10.3390/cancers12123622] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 11/30/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
Epigenetic dysregulation has been recognized as a critical factor contributing to the development of resistance against standard chemotherapy and to breast cancer progression via epithelial-to-mesenchymal transition. Although the efficacy of the first-generation epigenetic drugs (epi-drugs) in solid tumor management has been disappointing, there is an increasing body of evidence showing that epigenome modulation, in synergy with other therapeutic approaches, could play an important role in cancer treatment, reversing acquired therapy resistance. However, the epigenetic therapy of solid malignancies is not straightforward. The emergence of nanotechnologies applied to medicine has brought new opportunities to advance the targeted delivery of epi-drugs while improving their stability and solubility, and minimizing off-target effects. Furthermore, the omics technologies, as powerful molecular epidemiology screening tools, enable new diagnostic and prognostic epigenetic biomarker identification, allowing for patient stratification and tailored management. In combination with new-generation epi-drugs, nanomedicine can help to overcome low therapeutic efficacy in treatment-resistant tumors. This review provides an overview of ongoing clinical trials focusing on combination therapies employing epi-drugs for breast cancer treatment and summarizes the latest nano-based targeted delivery approaches for epi-drugs. Moreover, it highlights the current limitations and obstacles associated with applying these experimental strategies in the clinics.
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Affiliation(s)
- Verona Buocikova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (V.B.); (S.M.); (A.G.)
| | - Ivan Rios-Mondragon
- Department of Clinical Dentistry, University of Bergen, Aarstadveien 19, 5009 Bergen, Norway; (I.R.-M.); (M.R.C.)
| | - Eleftherios Pilalis
- e-NIOS Applications Private Company, Alexandrou Pantou 25, 17671 Kallithea, Greece; (E.P.); (A.C.)
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Aristotelis Chatziioannou
- e-NIOS Applications Private Company, Alexandrou Pantou 25, 17671 Kallithea, Greece; (E.P.); (A.C.)
- Center of Systems Biology, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
| | - Svetlana Miklikova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (V.B.); (S.M.); (A.G.)
| | - Michal Mego
- 2nd Department of Oncology, Faculty of Medicine, Comenius University and National Cancer Institute, Klenova 1, 833 10 Bratislava, Slovakia;
| | - Karlis Pajuste
- Latvian Institute of Organic Synthesis, Aizkraukles str. 21, LV-1006 Riga, Latvia; (K.P.); (M.R.); (A.S.); (A.P.)
| | - Martins Rucins
- Latvian Institute of Organic Synthesis, Aizkraukles str. 21, LV-1006 Riga, Latvia; (K.P.); (M.R.); (A.S.); (A.P.)
| | - Naouale El Yamani
- Health Effects Laboratory, NILU-Norwegian Institute for Air Research, 2007 Kjeller, Norway; (N.E.Y.); (E.M.L.); (M.D.)
| | - Eleonora Marta Longhin
- Health Effects Laboratory, NILU-Norwegian Institute for Air Research, 2007 Kjeller, Norway; (N.E.Y.); (E.M.L.); (M.D.)
| | - Arkadij Sobolev
- Latvian Institute of Organic Synthesis, Aizkraukles str. 21, LV-1006 Riga, Latvia; (K.P.); (M.R.); (A.S.); (A.P.)
| | - Muriel Freixanet
- Vall d Hebron, Institut de Recerca (VHIR), 08035 Barcelona, Spain; (M.F.); (V.P.)
| | - Victor Puntes
- Vall d Hebron, Institut de Recerca (VHIR), 08035 Barcelona, Spain; (M.F.); (V.P.)
- Institut Català de Nanosciència i Nanotecnologia (ICN2), Bellaterra, 08193 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain
| | - Aiva Plotniece
- Latvian Institute of Organic Synthesis, Aizkraukles str. 21, LV-1006 Riga, Latvia; (K.P.); (M.R.); (A.S.); (A.P.)
| | - Maria Dusinska
- Health Effects Laboratory, NILU-Norwegian Institute for Air Research, 2007 Kjeller, Norway; (N.E.Y.); (E.M.L.); (M.D.)
| | - Mihaela Roxana Cimpan
- Department of Clinical Dentistry, University of Bergen, Aarstadveien 19, 5009 Bergen, Norway; (I.R.-M.); (M.R.C.)
| | - Alena Gabelova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (V.B.); (S.M.); (A.G.)
| | - Bozena Smolkova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska Cesta 9, 845 05 Bratislava, Slovakia; (V.B.); (S.M.); (A.G.)
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24
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Layeghi-Ghalehsoukhteh S, Pal Choudhuri S, Ocal O, Zolghadri Y, Pashkov V, Niederstrasser H, Posner BA, Kantheti HS, Azevedo-Pouly AC, Huang H, Girard L, MacDonald RJ, Brekken RA, Wilkie TM. Concerted cell and in vivo screen for pancreatic ductal adenocarcinoma (PDA) chemotherapeutics. Sci Rep 2020; 10:20662. [PMID: 33244070 PMCID: PMC7693321 DOI: 10.1038/s41598-020-77373-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 10/23/2020] [Indexed: 12/22/2022] Open
Abstract
PDA is a major cause of US cancer-related deaths. Oncogenic Kras presents in 90% of human PDAs. Kras mutations occur early in pre-neoplastic lesions but are insufficient to cause PDA. Other contributing factors early in disease progression include chronic pancreatitis, alterations in epigenetic regulators, and tumor suppressor gene mutation. GPCRs activate heterotrimeric G-proteins that stimulate intracellular calcium and oncogenic Kras signaling, thereby promoting pancreatitis and progression to PDA. By contrast, Rgs proteins inhibit Gi/q-coupled GPCRs to negatively regulate PDA progression. Rgs16::GFP is expressed in response to caerulein-induced acinar cell dedifferentiation, early neoplasia, and throughout PDA progression. In genetically engineered mouse models of PDA, Rgs16::GFP is useful for pre-clinical rapid in vivo validation of novel chemotherapeutics targeting early lesions in patients following successful resection or at high risk for progressing to PDA. Cultured primary PDA cells express Rgs16::GFP in response to cytotoxic drugs. A histone deacetylase inhibitor, TSA, stimulated Rgs16::GFP expression in PDA primary cells, potentiated gemcitabine and JQ1 cytotoxicity in cell culture, and Gem + TSA + JQ1 inhibited tumor initiation and progression in vivo. Here we establish the use of Rgs16::GFP expression for testing drug combinations in cell culture and validation of best candidates in our rapid in vivo screen.
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Affiliation(s)
- Somayeh Layeghi-Ghalehsoukhteh
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
- Department of Basic Science, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Shreoshi Pal Choudhuri
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
| | - Ozhan Ocal
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
- Department of Molecular Biology and Genetics, Bilkent University, 06800, Ankara, Turkey
| | - Yalda Zolghadri
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
- Department of Basic Science, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Victor Pashkov
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
| | - Hanspeter Niederstrasser
- Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390, USA
| | - Bruce A Posner
- Department of Biochemistry, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390, USA
| | - Havish S Kantheti
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
- Cancer Discovery (CanDisc) Group, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
| | - Ana C Azevedo-Pouly
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Huocong Huang
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Luc Girard
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Raymond J MacDonald
- Department of Molecular Biology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390, USA
| | - Rolf A Brekken
- Hamon Center for Therapeutic Oncology Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Thomas M Wilkie
- Department of Pharmacology, UT Southwestern Medical Center, 6001 Forest Park Drive, Dallas, TX, 75390, USA.
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25
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Mourad AAE, Mourad MAE, Jones PG. Novel HDAC/Tubulin Dual Inhibitor: Design, Synthesis and Docking Studies of α-Phthalimido-Chalcone Hybrids as Potential Anticancer Agents with Apoptosis-Inducing Activity. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:3111-3130. [PMID: 32848361 PMCID: PMC7425103 DOI: 10.2147/dddt.s256756] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 06/19/2020] [Indexed: 12/12/2022]
Abstract
Introduction In order to develop novel anticancer HDAC/tubulin dual inhibitors, a novel series of α-phthalimido-substituted chalcones-based hybrids was synthesized and characterized by IR, 1H NMR, 13C NMR, mass spectroscopy and X-ray analysis. Methods All the synthesized compounds were evaluated for their in vitro anticancer activity against MCF-7 and HepG2 human cancer cell lines using MTT assay. To explore the mechanism of action of the synthesized compounds, in vitro β-tubulin polymerization and HDAC 1 and 2 inhibitory activity were measured for the most potent anticancer hybrids. Further, cell cycle analysis was also evaluated. Results The trimethoxy derivative 7j showed the most potent anticancer activity, possessed the most potent β-tubulin polymerase and HDAC 1 and 2 inhibitory activity and efficiently induced cell cycle arrest at both G2/M and preG1phases in the MCF-7 cell line.
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Affiliation(s)
- Ahmed A E Mourad
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Port-Said University, Port-Said, Egypt
| | - Mai A E Mourad
- Medicinal Chemistry Department, Faculty of Pharmacy, Port-Said University, Port-Said, Egypt
| | - Peter G Jones
- Institute of Inorganic and Analytical Chemistry, Braunschweig, Germany
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26
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Shirbhate E, Divya, Patel P, K. Patel V, Veerasamy R, Sharma PC, Rajak H. Searching for Potential HDAC2 Inhibitors: Structure-activity Relationship Studies on Indole-based Hydroxamic Acids as an Anticancer Agent. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180817666200103125701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Aim:
To predict the most potent indole based HDAC2 inhibitors from several scientific
reports through the process of lead identification and SAR development.
Background: The current scenario is observing Histone Deacetylase (HDAC) as an alluring
molecular target for the designing and development of drugs for cancer treatment.
Background:
The current scenario is observing Histone Deacetylase (HDAC) as an alluring
molecular target for the designing and development of drugs for cancer treatment.
Objective:
To identify the lead and establish structure-activity correlation among indole based
hydroxamic acid to find out promising HDAC2 based anticancer agent.
Methods:
A dataset containing 59 molecules was analyzed using structure and ligand-based
integrated approach comprising atom-based 3D-QSAR (Quantitative Structure-Activity
Relationship) and pharmacophore study, e-pharmacophore mapping and molecular modeling
methodologies. The finest model was prepared by amalgamating the properties of electronegativity,
polarizability, Vander Waals forces and other conformational aspects.
Results:
The result of 3D QSAR analysis, performed for 4 PLS factor, provided the following
statistical information: R2 = 0.9461, Q2 = 0.7342 and low standard of deviation SD = 0.1744 for
hypothesis ADDDH.10 and R2 = 0.9444, Q2= 0.7858 and again low standard of deviation
SD = 0.1795 for hypothesis DDHRR.12. The XP molecular docking showed intermolecular
interactions of small molecules with amino acids such as GLY154, HIP145, PHE210, HIE183,
internal H2O and Zn2+.
Conclusion:
The interpretation of data generated as a result of this investigation clearly hints about
the better biological activity of test compounds as compared to SAHA. Hence, the outcome of these
structure and ligand-based integrated studies could be employed for the design of novel arylindole
derivatives as a potent HDAC inhibitor.
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Affiliation(s)
- Ekta Shirbhate
- Medicinal Chemistry Research Laboratory, Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur- 495 009, (C.G.), India
| | - Divya
- Medicinal Chemistry Research Laboratory, Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur- 495 009, (C.G.), India
| | - Preeti Patel
- Medicinal Chemistry Research Laboratory, Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur- 495 009, (C.G.), India
| | - Vijay K. Patel
- Medicinal Chemistry Research Laboratory, Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur- 495 009, (C.G.), India
| | - Ravichandran Veerasamy
- Faculty of Pharmacy, AIMST University, Semeling, 08100 Bedong, Kedah Darul Aman, Malaysia
| | - Prabodh C. Sharma
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra-136 119, (Haryana), India
| | - Harish Rajak
- Medicinal Chemistry Research Laboratory, Institute of Pharmaceutical Sciences, Guru Ghasidas University, Bilaspur- 495 009, (C.G.), India
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27
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Sixto-López Y, Gómez-Vidal JA, de Pedro N, Bello M, Rosales-Hernández MC, Correa-Basurto J. Hydroxamic acid derivatives as HDAC1, HDAC6 and HDAC8 inhibitors with antiproliferative activity in cancer cell lines. Sci Rep 2020; 10:10462. [PMID: 32591593 PMCID: PMC7320180 DOI: 10.1038/s41598-020-67112-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 06/02/2020] [Indexed: 01/04/2023] Open
Abstract
Histone deacetylases (HDACs) belong to a family of enzymes that remove acetyl groups from the ɛ-amino of histone and nonhistone proteins. Additionally, HDACs participate in the genesis and development of cancer diseases as promising therapeutic targets to treat cancer. Therefore, in this work, we designed and evaluated a set of hydroxamic acid derivatives that contain a hydrophobic moiety as antiproliferative HDAC inhibitors. For the chemical structure design, in silico tools (molecular docking, molecular dynamic (MD) simulations, ADME/Tox properties were used to target Zn2+ atoms and HDAC hydrophobic cavities. The most promising compounds were assayed in different cancer cell lines, including hepatocellular carcinoma (HepG2), pancreatic cancer (MIA PaCa-2), breast cancer (MCF-7 and HCC1954), renal cancer (RCC4-VHL and RCC4-VA) and neuroblastoma (SH-SY5Y). Molecular docking and MD simulations coupled to the MMGBSA approach showed that the target compounds have affinity for HDAC1, HDAC6 and HDAC8. Of all the compounds evaluated, YSL-109 showed the best activity against hepatocellular carcinoma (HepG2 cell line, IC50 = 3.39 µM), breast cancer (MCF-7 cell line, IC50 = 3.41 µM; HCC1954 cell line, IC50 = 3.41 µM) and neuroblastoma (SH-SY5Y cell line, IC50 = 6.42 µM). In vitro inhibition assays of compound YSL-109 against the HDACs showed IC50 values of 259.439 µM for HDAC1, 0.537 nM for HDAC6 and 2.24 µM for HDAC8.
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Affiliation(s)
- Yudibeth Sixto-López
- Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotecnológica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation)-SEPI, Escuela Superior de Medicina, Instituto Politécnico Nacional, 11340, Mexico City, Mexico
| | - José Antonio Gómez-Vidal
- Departamento de Química Farmacéutica y Orgánica, Facultad de Farmacia, Universidad de Granada, 18071, Granada, Spain
| | - Nuria de Pedro
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, 18016, Granada, Spain
| | - Martiniano Bello
- Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotecnológica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation)-SEPI, Escuela Superior de Medicina, Instituto Politécnico Nacional, 11340, Mexico City, Mexico
| | - Martha Cecilia Rosales-Hernández
- Laboratorio de Biofísica y Biocatálisis, Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - José Correa-Basurto
- Laboratorio de Diseño y Desarrollo de Nuevos Fármacos e Innovación Biotecnológica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation)-SEPI, Escuela Superior de Medicina, Instituto Politécnico Nacional, 11340, Mexico City, Mexico.
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28
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Dewaker V, Srivastava AK, Arora A, Prabhakar YS. Investigation of HDAC8-ligands’ intermolecular forces through molecular dynamics simulations: profiling of non-bonding energies to design potential compounds as new anti-cancer agents. J Biomol Struct Dyn 2020; 39:4726-4751. [DOI: 10.1080/07391102.2020.1780940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Varun Dewaker
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Ajay K. Srivastava
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Ashish Arora
- Molecular & Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Yenamandra S. Prabhakar
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
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29
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Poeta L, Padula A, Attianese B, Valentino M, Verrillo L, Filosa S, Shoubridge C, Barra A, Schwartz CE, Christensen J, van Bokhoven H, Helin K, Lioi MB, Collombat P, Gecz J, Altucci L, Di Schiavi E, Miano MG. Histone demethylase KDM5C is a SAHA-sensitive central hub at the crossroads of transcriptional axes involved in multiple neurodevelopmental disorders. Hum Mol Genet 2020; 28:4089-4102. [PMID: 31691806 DOI: 10.1093/hmg/ddz254] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/17/2019] [Accepted: 10/21/2019] [Indexed: 12/26/2022] Open
Abstract
A disproportional large number of neurodevelopmental disorders (NDDs) is caused by variants in genes encoding transcription factors and chromatin modifiers. However, the functional interactions between the corresponding proteins are only partly known. Here, we show that KDM5C, encoding a H3K4 demethylase, is at the intersection of transcriptional axes under the control of three regulatory proteins ARX, ZNF711 and PHF8. Interestingly, mutations in all four genes (KDM5C, ARX, ZNF711 and PHF8) are associated with X-linked NDDs comprising intellectual disability as a core feature. in vitro analysis of the KDM5C promoter revealed that ARX and ZNF711 function as antagonist transcription factors that activate KDM5C expression and compete for the recruitment of PHF8. Functional analysis of mutations in these genes showed a correlation between phenotype severity and the reduction in KDM5C transcriptional activity. The KDM5C decrease was associated with a lack of repression of downstream target genes Scn2a, Syn1 and Bdnf in the embryonic brain of Arx-null mice. Aiming to correct the faulty expression of KDM5C, we studied the effect of the FDA-approved histone deacetylase inhibitor suberanilohydroxamic acid (SAHA). In Arx-KO murine ES-derived neurons, SAHA was able to rescue KDM5C depletion, recover H3K4me3 signalling and improve neuronal differentiation. Indeed, in ARX/alr-1-deficient Caenorhabditis elegans animals, SAHA was shown to counteract the defective KDM5C/rbr-2-H3K4me3 signalling, recover abnormal behavioural phenotype and ameliorate neuronal maturation. Overall, our studies indicate that KDM5C is a conserved and druggable effector molecule across a number of NDDs for whom the use of SAHA may be considered a potential therapeutic strategy.
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Affiliation(s)
- Loredana Poeta
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy
| | - Agnese Padula
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy.,University of Campania Luigi Vanvitelli, Caserta, Italy
| | - Benedetta Attianese
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy
| | - Mariaelena Valentino
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy
| | - Lucia Verrillo
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy.,University of Campania Luigi Vanvitelli, Caserta, Italy
| | - Stefania Filosa
- Institute of Biosciences and BioResources, National Research Council (CNR), Naples, Italy.,Istituto Neurologico Mediterraneo (Neuromed), Pozzilli, Isernia, Italy
| | - Cheryl Shoubridge
- Intellectual Disability Research, Adelaide Medical School, The University of Adelaide, Adelaide, South Australia, Australia.,Robinson Research Institute, Department of Paediatrics, University of Adelaide, Adelaide, South Australia, Australia
| | - Adriano Barra
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy
| | | | - Jesper Christensen
- University of Copenhagen, Biotech Research and Innovation Centre (BRIC), Copenhagen, Denmark.,University of Copenhagen, The Novo Nordisk Foundation Center for Stem Cell Biology (Danstem), Copenhagen, Denmark
| | - Hans van Bokhoven
- Department of Human Genetics, Donders Institute for Brain, Behaviour and Cognition, Radboudumc, Nijmegen, The Netherlands
| | - Kristian Helin
- University of Copenhagen, Biotech Research and Innovation Centre (BRIC), Copenhagen, Denmark.,University of Copenhagen, The Novo Nordisk Foundation Center for Stem Cell Biology (Danstem), Copenhagen, Denmark
| | | | | | - Jozef Gecz
- Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, Australia
| | - Lucia Altucci
- University of Campania Luigi Vanvitelli, Caserta, Italy
| | - Elia Di Schiavi
- Institute of Biosciences and BioResources, National Research Council (CNR), Naples, Italy
| | - Maria Giuseppina Miano
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", National Research Council (CNR), Naples, Italy
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30
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Identification of novel class I and class IIb histone deacetylase inhibitor for Alzheimer's disease therapeutics. Life Sci 2020; 256:117912. [PMID: 32504755 DOI: 10.1016/j.lfs.2020.117912] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 05/15/2020] [Accepted: 06/01/2020] [Indexed: 01/02/2023]
Abstract
Histone deacetylase enzymes were prominent chromatin remodeling drug that targets in the pathophysiology of Alzheimer's disease associated with transcriptional dysregulation. In vitro and in vivo models of AD have demonstrated overexpression of HDAC activity. Non-specificity and non-selectivity of HDAC are the major problems of existing HDAC inhibitors. Hence, we aim to set up a methodology describing the rational development of isoform-selective HDAC inhibitor targeting class, I and class IIb. A convenient multistage virtual screening followed by machine learning and IC50 screenings were used to classify the 5064 compounds into inhibitors and non-inhibitors classes retrieved from the ChEMBL database. ADMET analysis identified the pharmacokinetics and pharmacodynamics properties of selected compounds. Molecular docking, along with mutational analysis of eleven compounds, characterized the inhibiting potency. Herein, for the first time, we reported ChEMBL1834473 (2-[[5-(4-chlorophenyl)-1,3,4-thiadiazol-2-yl]amino]-N-hydroxypyrimidine-5-carboxamide) as the isoform-selective HDAC inhibitor, which interact central Zn2+ atom. The negative energy and interacting residue of the ChEMBL1834473 with six HDAC isoform has also been tabulated and mapped. Moreover, our findings concluded histidine, glycine, phenylalanine, and aspartic acid as key residues in protein-ligand interaction and classify 2347 compounds as HDAC inhibitors. Later, a protein-protein interaction network of six HDAC with the key proteins involved in the progression of an AD and signaling pathway, which describes the relationship between ChEMBL1834473 and AD, has been demonstrated using PPI network where the chosen inhibitor will work. Altogether, we conclude that the compound ChEMBL1834473 may be capable of inhibiting all isoforms of class I and class IIb HDAC based on computational analysis for AD therapeutics.
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Su JMF, Murray JC, McNall-Knapp RY, Bowers DC, Shah S, Adesina AM, Paulino AC, Jo E, Mo Q, Baxter PA, Blaney SM. A phase 2 study of valproic acid and radiation, followed by maintenance valproic acid and bevacizumab in children with newly diagnosed diffuse intrinsic pontine glioma or high-grade glioma. Pediatr Blood Cancer 2020; 67:e28283. [PMID: 32285998 DOI: 10.1002/pbc.28283] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/02/2020] [Accepted: 03/09/2020] [Indexed: 11/11/2022]
Abstract
PURPOSE To study the efficacy and tolerability of valproic acid (VPA) and radiation, followed by VPA and bevacizumab in children with newly diagnosed diffuse intrinsic pontine glioma (DIPG) or high-grade glioma (HGG). METHODS Children 3 to 21 years of age received radiation therapy and VPA at 15 mg/kg/day and dose adjusted to maintain a trough range of 85 to 115 μg/mL. VPA was continued post-radiation, and bevacizumab was started at 10 mg/kg intravenously biweekly, four weeks after completing radiation therapy. RESULTS From September 2009 through August 2015, 20 DIPG and 18 HGG patients were enrolled (NCT00879437). During radiation and VPA, grade 3 or higher toxicities requiring discontinuation or modification of VPA dosing included grade 3 thrombocytopenia (1), grade 3 weight gain (1), and grade 3 pancreatitis (1). During VPA and bevacizumab, the most common grade 3 or higher toxicities were grade 3 neutropenia (3), grade 3 thrombocytopenia (3), grade 3 fatigue (3), and grade 3 hypertension (4). Two patients discontinued protocol therapy prior to disease progression (one grade 4 thrombosis and one grade 1 intratumoral hemorrhage). Median event-free survival (EFS) and overall survival (OS) for DIPG were 7.8 (95% CI 5.6-8.2) and 10.3 (7.4-13.4) months, and estimated one-year EFS was 12% (2%-31%). Median EFS and OS for HGG were 9.1 (6.4-11) and 12.1 (10-22.1) months, and estimated one-year EFS was 24% (7%-45%). Four patients with glioblastoma and mismatch-repair deficiency syndrome had EFS of 28.5, 16.7, 10.4, and 9 months. CONCLUSION Addition of VPA and bevacizumab to radiation was well tolerated but did not appear to improve EFS or OS in children with DIPG or HGG.
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Affiliation(s)
- Jack Meng-Fen Su
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas
| | | | - Rene Y McNall-Knapp
- Department of Pediatrics, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Daniel C Bowers
- Children's Medical Center/The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Shafqat Shah
- The University of Texas Health Science Center, Department of Pediatric Hematology-Oncology, San Antonio, Texas
| | | | - Arnold C Paulino
- The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Eunji Jo
- Dan L Duncan Cancer Center, Department of Medicine, Biostatistics and Bioinformatics, Houston, Texas
| | - Qianxing Mo
- Dan L Duncan Cancer Center, Department of Medicine, Biostatistics and Bioinformatics, Houston, Texas
| | - Patricia A Baxter
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas
| | - Susan M Blaney
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, Texas
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Tuyet Anh DT, Cuc DT, Thuy Giang LN, Hien NT, Doan VN, Thanh NH, Tuyen NV, Van Kiem P. Design, Synthesis, and Cytotoxic Evaluation of Novel Lupane Triterpenoid Derived Hydroxamates. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20931967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A series of new hydroxamate derivatives of lupane triterpenoids has been designed and successfully synthesized. The synthesized compounds were evaluated for their in vitro antitumor activity using the 3-[4,5-dimethylthiazol-2-yl]−2,5-diphenyltetrazolium bromide-based assay against the human cancer cell lines KB and HepG2. Most of these derivatives possess at least moderate cytotoxic activity and the hydroxamate derivative compounds 3c, 3e, 7a, and 15b could be lead compounds for further optimization to develop novel anticancer agents.
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Affiliation(s)
- Dang Thi Tuyet Anh
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
- Graduate University of Science and Technology, Cau Giay, Hanoi, Vietnam
| | - Dinh Thi Cuc
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
- Graduate University of Science and Technology, Cau Giay, Hanoi, Vietnam
| | - Le Nhat Thuy Giang
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
- Graduate University of Science and Technology, Cau Giay, Hanoi, Vietnam
| | - Nguyen Thi Hien
- Faculty of Environment, Vietnam National University of Agriculture, Vietnam
| | - Vu Ngoc Doan
- Le Quy Don Technical University, Cau Giay, Hanoi, Vietnam
| | - Nguyen Ha Thanh
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
| | - Nguyen Van Tuyen
- Institute of Chemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
- Graduate University of Science and Technology, Cau Giay, Hanoi, Vietnam
| | - Phan Van Kiem
- Graduate University of Science and Technology, Cau Giay, Hanoi, Vietnam
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), Cau Giay, Hanoi, Vietnam
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Computer-Driven Development of an in Silico Tool for Finding Selective Histone Deacetylase 1 Inhibitors. Molecules 2020; 25:molecules25081952. [PMID: 32331470 PMCID: PMC7221830 DOI: 10.3390/molecules25081952] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/18/2020] [Accepted: 04/20/2020] [Indexed: 12/19/2022] Open
Abstract
Histone deacetylases (HDACs) are a class of epigenetic modulators overexpressed in numerous types of cancers. Consequently, HDAC inhibitors (HDACIs) have emerged as promising antineoplastic agents. Unfortunately, the most developed HDACIs suffer from poor selectivity towards a specific isoform, limiting their clinical applicability. Among the isoforms, HDAC1 represents a crucial target for designing selective HDACIs, being aberrantly expressed in several malignancies. Accordingly, the development of a predictive in silico tool employing a large set of HDACIs (aminophenylbenzamide derivatives) is herein presented for the first time. Software Phase was used to derive a 3D-QSAR model, employing as alignment rule a common-features pharmacophore built on 20 highly active/selective HDAC1 inhibitors. The 3D-QSAR model was generated using 370 benzamide-based HDACIs, which yielded an excellent correlation coefficient value (R2 = 0.958) and a satisfactory predictive power (Q2 = 0.822; Q2F3 = 0.894). The model was validated (r2ext_ts = 0.794) using an external test set (113 compounds not used for generating the model), and by employing a decoys set and the receiver-operating characteristic (ROC) curve analysis, evaluating the Güner-Henry score (GH) and the enrichment factor (EF). The results confirmed a satisfactory predictive power of the 3D-QSAR model. This latter represents a useful filtering tool for screening large chemical databases, finding novel derivatives with improved HDAC1 inhibitory activity.
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The epigenetic face of lupus: Focus on antigen-presenting cells. Int Immunopharmacol 2020; 81:106262. [PMID: 32045873 DOI: 10.1016/j.intimp.2020.106262] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 12/19/2022]
Abstract
In recent years, epigenetic mechanisms became widely known due to their ability to regulate and maintain physiological processes such as cell growth, development, differentiation and genomic stability. When dysregulated, epigenetic mechanisms, may introduce gene expression changes and disturbance in immune homeostasis leading to autoimmune diseases. Systemic lupus erythematosus (SLE), the most extensively studied autoimmune disorder, has already been correlated with epigenetic modifications, especially in T cells. Since these cell rely on antigen presentation, it may be assumed that erroneous activity of antigen-presenting cells (APCs), culminates in T cell abnormalities. In this review we summarize and discuss the epigenetic modifications in SLE affected APCs, with the focus on dendritic cells (DCs), B cells and monocytes. Unravelling this aspect of SLE pathogenesis, might result in identification of new disease biomarkers and putative therapeutic approaches.
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Bordonaro M. Hypothesis: Retinoblastoma protein inactivation mediates effects of histone deacetylase inhibitor-induced Wnt hyperactivation in colorectal cancer cells. J Cancer 2020; 11:668-677. [PMID: 31942190 PMCID: PMC6959039 DOI: 10.7150/jca.37864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/26/2019] [Indexed: 01/30/2023] Open
Abstract
Butyrate, a product of dietary fiber and a histone deacetylase inhibitor, induces apoptosis of colorectal cancer cells; this effect of butyrate is in part mediated by its ability to hyperactivate Wnt signaling, and may in part explain the preventive action of dietary fiber against colorectal cancer. However, the mechanisms by which Wnt hyperactivation promotes apoptosis are unknown. Inactivation of the retinoblastoma tumor suppressor occurs in some cancers and can lead to context-dependent cell proliferation or cell death/apoptosis. The function of retinoblastoma protein (Rb) in normal cells is modulation of cell cycle; inactivation of Rb allows for cell cycle progression and, hence, cell proliferation. Wnt signaling is upregulated in a variety of cancers, and deregulated Wnt signaling is a key initiating event in most cases of sporadic colorectal cancer. It has been shown that Wnt signaling activated by APC inactivation can synergize with the inactivation of Rb to induce apoptosis in a manner mediated by increased TORC1 activity, leading to induced metabolic and energy stress. Rb is typically not inactivated in colorectal cancer; however, Rb is phosphorylated and deactivated during cell cycle G1/S transition. This manuscript posits that it is during this time that butyrate/histone deacetylase inhibitor-induced Wnt hyperactivation induces apoptosis in colorectal cancer cells. Thus, the inactivation of Rb in cell cycle progression may synergize with Wnt hyperactivation to induce apoptosis in response to histone deacetylase inhibitors. The hypothesis is that hyperactivation of Wnt signaling enhances colorectal cancer cell apoptosis via the interaction between upregulated Wnt signaling and inactivated Rb during cell cycle progression. This paper discusses this hypothesis and offers initial experimental approaches for testing the hypothesis. A better understanding of how histone deacetylase inhibitors induce colorectal cancer cell apoptosis through hyperactivation of Wnt signaling, and of cross-talk between repression of cell cycle and induction of apoptosis that occurs with treatment with histone deacetylase inhibitors, can assist in the development of novel therapies for colorectal cancer.
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Affiliation(s)
- Michael Bordonaro
- Department of Medical Education, Geisinger Commonwealth School of Medicine, 525 Pine Street, Scranton, PA 18509, USA
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Banerjee S, Amin SA, Adhikari N, Jha T. Essential elements regulating HDAC8 inhibition: a classification based structural analysis and enzyme-inhibitor interaction study of hydroxamate based HDAC8 inhibitors. J Biomol Struct Dyn 2019; 38:5513-5525. [DOI: 10.1080/07391102.2019.1704881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Suvankar Banerjee
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Sk. Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
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Amin SA, Adhikari N, Jha T. Development of decision trees to discriminate HDAC8 inhibitors and non-inhibitors using recursive partitioning. J Biomol Struct Dyn 2019; 39:1-8. [DOI: 10.1080/07391102.2019.1661876] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Sk. Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
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Hamam HJ, Palaniyar N. Post-Translational Modifications in NETosis and NETs-Mediated Diseases. Biomolecules 2019; 9:E369. [PMID: 31416265 PMCID: PMC6723044 DOI: 10.3390/biom9080369] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 12/19/2022] Open
Abstract
: Neutrophils undergo a unique form of cell death that generates neutrophil extracellular traps (NETs) that may help to neutralize invading pathogens and restore homeostasis. However, uncontrolled NET formation (NETosis) can result in numerous diseases that adversely affect health. Recent studies further elucidate the mechanistic details of the different forms of NETosis and their common end structure, as NETs were constantly found to contain DNA, modified histones and cytotoxic enzymes. In fact, emerging evidence reveal that the post translational modifications (PTMs) of histones in neutrophils have a critical role in regulating neutrophil death. Histone citrullination is shown to promote a rapid form of NET formation independent of NADPH oxidase (NOX), which relies on calcium influx. Interestingly, few studies suggest an association between histone citrullination and other types of PTMs to control cell survival and death, such as histone methylation. Even more exciting is the finding that histone acetylation has a biphasic effect upon NETosis, where histone deacetylase (HDAC) inhibitors promote baseline, NOX-dependent and -independent NETosis. However, increasing levels of histone acetylation suppresses NETosis, and to switch neutrophil death to apoptosis. Interestingly, in the presence of NETosis-promoting stimuli, high levels of HDACis limit both NETosis and apoptosis, and promote neutrophil survival. Recent studies also reveal the importance of the PTMs of neutrophils in influencing numerous pathologies. Histone modifications in NETs can act as a double-edged sword, as they are capable of altering multiple types of neutrophil death, and influencing numerous NET-mediated diseases, such as acute lung injury (ALI), thrombosis, sepsis, systemic lupus erythematosus, and cancer progression. A clear understanding of the role of different PTMs in neutrophils would be important for an understanding of the molecular mechanisms of NETosis, and to appropriately treat NETs-mediated diseases.
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Affiliation(s)
- Hussein J Hamam
- Program in Translational Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Nades Palaniyar
- Program in Translational Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada.
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada.
- Institute of Medical Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada.
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Minh NV, Thanh NT, Lien HT, Anh DTP, Cuong HD, Nam NH, Hai PT, Minh-Ngoc L, Le-Thi-Thu H, Chinh LV, Vu TK. Design, Synthesis and Biological Evaluation of Novel N-hydroxyheptanamides Incorporating 6-hydroxy-2-methylquinazolin-4(3H)-ones as Histone Deacetylase Inhibitors and Cytotoxic Agents. Anticancer Agents Med Chem 2019; 19:1543-1557. [PMID: 31267876 DOI: 10.2174/1871520619666190702142654] [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: 03/13/2019] [Revised: 04/23/2019] [Accepted: 05/12/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Target-based approach to drug discovery currently attracts a great deal of interest from medicinal chemists in anticancer drug discovery and development worldwide, and Histone Deacetylase (HDAC) inhibitors represent an extensive class of targeted anti-cancer agents. Among the most explored structure moieties, hydroxybenzamides and hydroxypropenamides have been demonstrated to have potential HDAC inhibitory effects. Several compounds of these structural classes have been approved for clinical uses to treat different types of cancer, such as vorinostat and belinostat. AIMS This study aims at developing novel HDAC inhibitors bearing quinazolinone scaffolds with potential cytotoxicity against different cancer cell lines. METHODS A series of novel N-hydroxyheptanamides incorporating 6-hydroxy-2 methylquinazolin-4(3H)-ones (14a-m) was designed, synthesized and evaluated for HDAC inhibitory potency as well as cytotoxicity against three human cancer cell lines, including HepG-2 (liver cancer), MCF-7 (breast cancer) and SKLu-1 (lung cancer). Molecular simulations were finally carried out to gain more insight into the structure-activity relationships. ADME-T predictions for selected compounds were also performed to predict some important features contributing to the absorption profile of the present hydroxamic derivatives. RESULTS It was found that the N-hydroxyheptanamide 14i and 14j were the most potent, both in terms of HDAC inhibition and cytotoxicity. These compounds displayed up to 21-71-fold more potent than SAHA (suberoylanilide hydroxamic acid, vorinostat) in terms of cytotoxicity, and strong inhibition against the whole cell HDAC enzymes with IC50 values of 7.07-9.24μM. Docking experiments on HDAC2 isozyme using Autodock Vina showed all compounds bound to HDAC2 with relatively higher affinities (from -7.02 to -11.23 kcal/mol) compared to SAHA (-7.4 kcal/mol). It was also found in this research that most of the target compounds seemed to be more cytotoxic toward breast cancer cells (MCF-7) than liver (HepG2), and lung (SKLu-1) cancer cells.
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Affiliation(s)
- Nguyen V Minh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
| | - Nguyen T Thanh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
| | - Hoang T Lien
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
| | - Dinh T P Anh
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
| | - Ho D Cuong
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
| | - Nguyen H Nam
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
| | - Pham T Hai
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
| | - Le Minh-Ngoc
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
| | - Huong Le-Thi-Thu
- Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi, Vietnam
| | - Luu V Chinh
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet-Cau Giay-Hanoi, Vietnam
| | - Tran K Vu
- School of Chemical Engineering, Hanoi University of Science and Technology, No 1, Dai Co Viet, Hai Ba Trung-Hanoi, Vietnam
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Kim SH, Kang JG, Kim CS, Ihm SH, Choi MG, Lee SJ. Evodiamine in combination with histone deacetylase inhibitors has synergistic cytotoxicity in thyroid carcinoma cells. Endocrine 2019; 65:110-120. [PMID: 31102069 DOI: 10.1007/s12020-019-01885-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 02/25/2019] [Indexed: 12/28/2022]
Abstract
PURPOSE The impact of evodiamine in combination with histone deacetylase (HDAC) inhibitors on survival of thyroid carcinoma cells was identified. METHODS TPC-1 and SW1736 human thyroid carcinoma cells were used. RESULTS After treatment with evodiamine and PXD101, cell viability, the percentage of viable cells and Bcl2 protein levels decreased, whereas cytotoxic activity, the percentage of apoptotic cells, the protein levels of γH2AX, acetyl. histone H3 and cleaved PARP, and reactive oxygen species (ROS) production increased. In cells treated with both evodiamine and PXD101, compared with PXD101 alone, decrement of cell viability, the percentage of viable cells, and Bcl2 protein levels as well as increment of cytotoxic activity, the percentage of apoptotic cells, the protein levels of γH2AX and cleaved PARP, and ROS production were significant, causing decrement of Bcl2/Bax ratio. Furthermore, all of the combination index values were <1.0, suggesting synergistic cytotoxicity of two agents. Wortmannin decreased cell viability and the percentage of viable cells, whereas it increased cytotoxic activity and the percentage of apoptotic cells without alteration in ROS production. The changes in cells treated with both evodiamine and suberoylanilide hydroxamic acid or trichostatin A were similar to those in cells treated with both evodiamine and PXD101. CONCLUSIONS Our results demonstrate that evodiamine synergizes with HDAC inhibitors in inducing cytotoxic activities by involving survival-related proteins and ROS in thyroid carcinoma cells. Moreover, repression of PI3K/Akt signaling synergistically reinforces cytotoxicity of evodiamine combined with HDAC inhibitors in thyroid carcinoma cells.
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Affiliation(s)
- Si Hyoung Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - Jun Goo Kang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - Chul Sik Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - Sung-Hee Ihm
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - Moon Gi Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - Seong Jin Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea.
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Lynch C, Zhao J, Sakamuru S, Zhang L, Huang R, Witt KL, Merrick BA, Teng CT, Xia M. Identification of Compounds That Inhibit Estrogen-Related Receptor Alpha Signaling Using High-Throughput Screening Assays. Molecules 2019; 24:E841. [PMID: 30818834 PMCID: PMC6429183 DOI: 10.3390/molecules24050841] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 02/19/2019] [Accepted: 02/23/2019] [Indexed: 12/20/2022] Open
Abstract
The nuclear receptor, estrogen-related receptor alpha (ERRα; NR3B1), plays a pivotal role in energy homeostasis. Its expression fluctuates with the demands of energy production in various tissues. When paired with the peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α), the PGC/ERR pathway regulates a host of genes that participate in metabolic signaling networks and in mitochondrial oxidative respiration. Unregulated overexpression of ERRα is found in many cancer cells, implicating a role in cancer progression and other metabolism-related diseases. Using high throughput screening assays, we screened the Tox21 10K compound library in stably transfected HEK293 cells containing either the ERRα-reporter or the reporter plus PGC-1α expression plasmid. We identified two groups of antagonists that were potent inhibitors of ERRα activity and/or the PGC/ERR pathway: nine antineoplastic agents and thirteen pesticides. Results were confirmed using gene expression studies. These findings suggest a novel mechanism of action on bioenergetics for five of the nine antineoplastic drugs. Nine of the thirteen pesticides, which have not been investigated previously for ERRα disrupting activity, were classified as such. In conclusion, we demonstrated that high-throughput screening assays can be used to reveal new biological properties of therapeutic and environmental chemicals, broadening our understanding of their modes of action.
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Affiliation(s)
- Caitlin Lynch
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
| | - Jinghua Zhao
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
| | - Srilatha Sakamuru
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
| | - Li Zhang
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
| | - Ruili Huang
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
| | - Kristine L Witt
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA.
| | - B Alex Merrick
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA.
| | - Christina T Teng
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA.
| | - Menghang Xia
- National Center for Advancing Translational Sciences, National Institutes of Health (NIH), Bethesda, MD 20814, USA.
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Mazzone R, Zwergel C, Artico M, Taurone S, Ralli M, Greco A, Mai A. The emerging role of epigenetics in human autoimmune disorders. Clin Epigenetics 2019; 11:34. [PMID: 30808407 PMCID: PMC6390373 DOI: 10.1186/s13148-019-0632-2] [Citation(s) in RCA: 156] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 02/12/2019] [Indexed: 02/06/2023] Open
Abstract
Epigenetic pathways play a pivotal role in the development and function of the immune system. Over the last decade, a growing body of studies has been published out seeking to explain a correlation between epigenetic modifications and the development of autoimmune disorders. Epigenetic changes, such as DNA methylation, histone modifications, and noncoding RNAs, are involved in the pathogenesis of autoimmune diseases mainly by regulating gene expression. This paper reviews the importance of epigenetic alterations during the development of the most prevalent human autoimmune diseases, such as systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), Sjogren’s syndrome (SS), autoimmune thyroid diseases (AITD), and type 1 diabetes (T1D), aiming to provide new insights in the pathogenesis of autoimmune diseases and the possibility to develop novel therapeutic approaches targeting the epigenome.
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Affiliation(s)
- Roberta Mazzone
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy.,Center for Life Nano Science@Sapienza, Italian Institute of Technology, Viale Regina Elena 291, 00161, Rome, Italy
| | - Clemens Zwergel
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy
| | - Marco Artico
- Department of Sense Organs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy
| | - Samanta Taurone
- IRCCS G.B. Bietti Foundation, Via Livenza, 3, 00198, Rome, Italy
| | - Massimo Ralli
- Department of Sense Organs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy
| | - Antonio Greco
- Department of Sense Organs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy
| | - Antonello Mai
- Department of Chemistry and Technologies of Drugs, Sapienza University of Rome, P.le A. Moro 5, 00185, Rome, Italy. .,Pasteur Institute - Cenci Bolognetti Foundation, Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy.
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Hamam HJ, Khan MA, Palaniyar N. Histone Acetylation Promotes Neutrophil Extracellular Trap Formation. Biomolecules 2019; 9:biom9010032. [PMID: 30669408 PMCID: PMC6359456 DOI: 10.3390/biom9010032] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/14/2019] [Accepted: 01/15/2019] [Indexed: 12/19/2022] Open
Abstract
Neutrophils undergo a unique form of cell death to generate neutrophil extracellular traps (NETs). It is well established that citrullination of histones (e.g., CitH3) facilitates chromatin decondensation during NET formation (NETosis), particularly during calcium-induced NETosis that is independent of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) activation. However, the importance of other forms of histone modifications in NETosis has not been established. We considered that acetylation of histones would also facilitate NETosis. To test this hypothesis, we induced NOX-dependent NETosis in human neutrophils with phorbol myristate acetate or lipopolysaccharide (from Escherichia coli 0128), and NOX-independent NETosis with calcium ionophores A23187 or ionomycin (from Streptomyces conglobatus) in the presence or absence of two pan histone deacetylase inhibitors (HDACis), belinostat and panobinostat (within their half maximal inhibitory concentration (IC50) range). The presence of these inhibitors increased histone acetylation (e.g., AcH4) in neutrophils. Histone acetylation was sufficient to cause a significant increase (~20%) in NETosis in resting neutrophils above baseline values. When acetylation was promoted during NOX-dependent or -independent NETosis, the degree of NETosis additively increased (~15–30%). Reactive oxygen species (ROS) production is essential for baseline NETosis (mediated either by NOX or mitochondria); however, HDACis did not promote ROS production. The chromatin decondensation step requires promoter melting and transcriptional firing in both types of NETosis; consistent with this point, suppression of transcription prevented the NETosis induced by the acetylation of histones. Collectively, this study establishes that histone acetylation (e.g., AcH4) promotes NETosis at baseline, and when induced by both NOX-dependent or -independent pathway agonists, in human neutrophils. Therefore, we propose that acetylation of histone is a key component of NETosis.
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Affiliation(s)
- Hussein J Hamam
- Program in Translational Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada.
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | - Meraj A Khan
- Program in Translational Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada.
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | - Nades Palaniyar
- Program in Translational Medicine, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada.
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada.
- Institute of Medical Sciences, Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A8, Canada.
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Resistance to Histone Deacetylase Inhibitors in the Treatment of Lymphoma. RESISTANCE TO TARGETED ANTI-CANCER THERAPEUTICS 2019. [DOI: 10.1007/978-3-030-24424-8_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abstract
Cutaneous T-cell lymphomas (CTCLs) are a heterogeneous group of lymphomas that are characterized by primary skin involvement. Mycosis fungoides (MF) and Sézary syndrome (SS), the two most common subtypes of CTCL, can be difficult to manage clinically as there are few effective treatment options available. Recently, histone deacetylase inhibitors (HDACi) have emerged as promising therapies with favorable adverse effect profiles, compared with traditional chemotherapies. In this article, we review the published literature to evaluate the role of HDACi in the treatment of CTCL. Specifically, we (1) briefly discuss the molecular rationale for the use of HDACi in CTCL; (2) compare the efficacy, tolerability, and adverse effects of HDACi; (3) review the cardiac safety data; and (4) discuss optimization of therapy with HDACi in the treatment of CTCL.
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Zimmerman D, Patel K, Hall M, Elmer J. Enhancement of transgene expression by nuclear transcription factor Y and CCCTC-binding factor. Biotechnol Prog 2018; 34:1581-1588. [PMID: 30294957 DOI: 10.1002/btpr.2712] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 08/03/2018] [Accepted: 08/17/2018] [Indexed: 12/23/2022]
Abstract
If a transgene is effectively delivered to a cell, its expression may still be limited by epigenetic mechanisms that silence the transgene. Indeed, once the transgene reaches the nucleus, it may be bound by histone proteins and condensed into heterochromatin or associated with repressor proteins that block transcription. In this study, we sought to enhance transgene expression by adding binding motifs for several different epigenetic enzymes either upstream or downstream of two promoters (CMV and EF1α). Screening these plasmids revealed that luciferase expression was enhanced 10-fold (10.4 ± 5.8) by the addition of a CCAAT box just upstream of the EF1α promoter to recruit nuclear transcription factor Y (NF-Y), while inserting a CCCTC-binding factor (CTCF) motif downstream of the EF1α promoter enhanced expression at least 14-fold (14.03 ± 6.54). ChIP assays confirmed that NF-Y and CTCF bound to the motifs that were added to each plasmid, but the presence of NF-Y and CTCF did not significantly affect the levels of histone acetylation (H3K9ac) or methylation (H3K9me3). Overall, these results show that transgene expression from the EF1α promoter can be significantly increased with motifs that recruit NF-Y or CTCF. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 34:1581-1588, 2018.
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Affiliation(s)
- Devon Zimmerman
- Dept. of Chemical Engineering, Villanova University, Villanova, PA, 19085
| | - Krupa Patel
- Dept. of Chemical Engineering, Villanova University, Villanova, PA, 19085
| | - Matthew Hall
- Dept. of Chemical Engineering, Villanova University, Villanova, PA, 19085
| | - Jacob Elmer
- Dept. of Chemical Engineering, Villanova University, Villanova, PA, 19085
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Histone deacetylases as targets for antitrypanosomal drugs. Future Sci OA 2018; 4:FSO325. [PMID: 30271613 PMCID: PMC6153458 DOI: 10.4155/fsoa-2018-0037] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/17/2018] [Indexed: 12/29/2022] Open
Abstract
Parasitic protozoa comprise several species that are causative agents of important diseases. These diseases are distributed throughout the world and include leishmaniasis, Chagas disease and sleeping sickness, malaria and toxoplasmosis. Treatment is based on drugs that were developed many years ago, which have side effects and produce resistant parasites. One approach for the development of new drugs is the identification of new molecular targets. We summarize the data on histone deacetylases, a class of enzymes that act on histones, which are closely associated with DNA and its regulation. These enzymes may constitute new targets for the development of antiparasitic protozoa drugs. Although several protozoan species are mentioned, members of the Trypanosomatidae family are the main focus of this short review. Parasitic protozoa comprise species that are causative agents of important diseases distributed throughout the world. The available drugs for treatment were developed many years ago, might cause side effects and produce resistant parasites. The identification of new molecular targets is required for the development of new drugs. Histone deacetylases act on histones, are closely associated with DNA and thus may constitute new targets for antiparasitic therapy, especially that against trypanosomatid protozoa.
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Kim SH, Kang JG, Kim CS, Ihm SH, Choi MG, Yoo HJ, Lee SJ. Gemigliptin, a novel dipeptidyl peptidase-IV inhibitor, exerts a synergistic cytotoxicity with the histone deacetylase inhibitor PXD101 in thyroid carcinoma cells. J Endocrinol Invest 2018; 41:677-689. [PMID: 29147952 DOI: 10.1007/s40618-017-0792-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 11/02/2017] [Indexed: 02/08/2023]
Abstract
PURPOSE The influence of the dipeptidyl peptidase-IV inhibitor gemigliptin alone or in combination with the histone deacetylase inhibitor PXD101 on survival of thyroid carcinoma cells was investigated. METHODS SW1736, TPC-1, 8505C and BCPAP human thyroid carcinoma cells were used. To assess cell survival, cell viability, the percentage of viable cells and dead cells, cytotoxic activity, ATP levels and FACS analysis were measured. To validate the impact of gemigliptin combined with PXD101, the interactions were estimated by obtaining combination index in cells treated with two agents. RESULTS In cells treated with gemigliptin or PXD101, cell viability, the percentage of viable cells and ATP levels were reduced, and the percentage of dead cells and cytotoxic activity were elevated. In cells treated with both gemigliptin and PXD101, compared with PXD101 alone, cell death was augmented, and all of the combination index values were lower than 1.0, suggesting the synergism between gemigliptin and PXD101. The percentage of apoptotic cells, and the protein levels of Bcl2 and cleaved poly (ADP-ribose) polymerase were elevated, and the protein levels of xIAP and survivin were reduced. The protein levels of phospho-Akt and phospho-AMPK were elevated, and cell migration was reduced. CONCLUSIONS Our results demonstrate that gemigliptin induces cytotoxicity in thyroid carcinoma cells. Moreover, gemigliptin has a synergistic activity with PXD101 in the induction of cell death through involvement of Bcl2 family proteins, xIAP and survivin as well as mediation of Akt and AMPK in thyroid carcinoma cells.
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Affiliation(s)
- S H Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - J G Kang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - C S Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - S-H Ihm
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - M G Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - H J Yoo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea
| | - S J Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon, Republic of Korea.
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Galanis E, Anderson SK, Miller CR, Sarkaria JN, Jaeckle K, Buckner JC, Ligon KL, Ballman KV, Moore DF, Nebozhyn M, Loboda A, Schiff D, Ahluwalia MS, Lee EQ, Gerstner ER, Lesser GJ, Prados M, Grossman SA, Cerhan J, Giannini C, Wen PY. Phase I/II trial of vorinostat combined with temozolomide and radiation therapy for newly diagnosed glioblastoma: results of Alliance N0874/ABTC 02. Neuro Oncol 2018; 20:546-556. [PMID: 29016887 PMCID: PMC5909661 DOI: 10.1093/neuonc/nox161] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Background Vorinostat, a histone deacetylase (HDAC) inhibitor, has shown radiosensitizing properties in preclinical studies. This open-label, single-arm trial evaluated the maximum tolerated dose (MTD; phase I) and efficacy (phase II) of vorinostat combined with standard chemoradiation in newly diagnosed glioblastoma. Methods Patients received oral vorinostat (300 or 400 mg/day) on days 1-5 weekly during temozolomide chemoradiation. Following a 4- to 6-week rest, patients received up to 12 cycles of standard adjuvant temozolomide and vorinostat (400 mg/day) on days 1-7 and 15-21 of each 28-day cycle. Association between vorinostat response signatures and progression-free survival (PFS) and overall survival (OS) was assessed based on RNA sequencing of baseline tumor tissue. Results Phase I and phase II enrolled 15 and 107 patients, respectively. The combination therapy MTD was vorinostat 300 mg/day and temozolomide 75 mg/m2/day. Dose-limiting toxicities were grade 4 neutropenia and thrombocytopenia and grade 3 aspartate aminotransferase elevation, hyperglycemia, fatigue, and wound dehiscence. The primary efficacy endpoint in the phase II cohort, OS rate at 15 months, was 55.1% (median OS 16.1 mo), and consequently, the study did not meet its efficacy objective. Most common treatment-related grade 3/4 toxicities in the phase II component were lymphopenia (32.7%), thrombocytopenia (28.0%), and neutropenia (21.5%). RNA expression profiling of baseline tumors (N = 76) demonstrated that vorinostat resistance (sig-79) and sensitivity (sig-139) signatures had a reverse and positive association with OS/PFS, respectively. Conclusions Vorinostat combined with standard chemoradiation had acceptable tolerability in newly diagnosed glioblastoma. Although the primary efficacy endpoint was not met, vorinostat sensitivity and resistance signatures could facilitate patient selection in future trials.
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Affiliation(s)
| | - S Keith Anderson
- Department of Oncology, Mayo Clinic, Rochester, Minnesota
- Alliance Statistics and Data Center, Mayo Clinic, Rochester, Minnesota
| | - C Ryan Miller
- Pathobiology and Translational Science Graduate Program, University of North Carolina Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina
| | - Jann N Sarkaria
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
| | - Kurt Jaeckle
- Department of Neurology, Mayo Clinic, Jacksonville, Minnesota
| | - Jan C Buckner
- Department of Oncology, Mayo Clinic, Rochester, Minnesota
| | - Keith L Ligon
- Department of Pathology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | - Karla V Ballman
- Alliance Statistics and Data Center, Mayo Clinic, Rochester, Minnesota
| | - Dennis F Moore
- Department of Internal Medicine, Cancer Center of Kansas, Wichita, Kansas
| | - Michael Nebozhyn
- Genetics and Pharmacogenomics, Merck Research Laboratories, West Point, Pennsylvania
| | - Andrey Loboda
- Data Analysis, Informatics & Analysis Department, Merck Research Laboratories, Boston, Massachusetts
| | - David Schiff
- Neuro-Oncology Center, University of Virginia School of Medicine, Charlottesville, Virginia
| | | | - Eudocia Q Lee
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
| | | | - Glenn J Lesser
- Wake Forest Baptist Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Michael Prados
- Department of Neurological Surgery, University of California San Francisco, San Francisco, California
| | - Stuart A Grossman
- Department of Oncology, Medicine & Neurosurgery, Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, Baltimore, Maryland
| | - Jane Cerhan
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, Minnesota
| | | | - Patrick Y Wen
- Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
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Ibhazehiebo K, Gavrilovici C, de la Hoz CL, Ma SC, Rehak R, Kaushik G, Meza Santoscoy PL, Scott L, Nath N, Kim DY, Rho JM, Kurrasch DM. A novel metabolism-based phenotypic drug discovery platform in zebrafish uncovers HDACs 1 and 3 as a potential combined anti-seizure drug target. Brain 2018; 141:744-761. [PMID: 29373639 PMCID: PMC5837409 DOI: 10.1093/brain/awx364] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 10/29/2017] [Accepted: 11/05/2017] [Indexed: 01/01/2023] Open
Abstract
Despite the development of newer anti-seizure medications over the past 50 years, 30-40% of patients with epilepsy remain refractory to treatment. One explanation for this lack of progress is that the current screening process is largely biased towards transmembrane channels and receptors, and ignores intracellular proteins and enzymes that might serve as efficacious molecular targets. Here, we report the development of a novel drug screening platform that harnesses the power of zebrafish genetics and combines it with in vivo bioenergetics screening assays to uncover therapeutic agents that improve mitochondrial health in diseased animals. By screening commercially available chemical libraries of approved drugs, for which the molecular targets and pathways are well characterized, we were able to reverse-identify the proteins targeted by efficacious compounds and confirm the physiological roles that they play by utilizing other pharmacological ligands. Indeed, using an 870-compound screen in kcna1-morpholino epileptic zebrafish larvae, we uncovered vorinostat (Zolinza™; suberanilohydroxamic acid, SAHA) as a potent anti-seizure agent. We further demonstrated that vorinostat decreased average daily seizures by ∼60% in epileptic Kcna1-null mice using video-EEG recordings. Given that vorinostat is a broad histone deacetylase (HDAC) inhibitor, we then delineated a specific subset of HDACs, namely HDACs 1 and 3, as potential drug targets for future screening. In summary, we have developed a novel phenotypic, metabolism-based experimental therapeutics platform that can be used to identify new molecular targets for future drug discovery in epilepsy.
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Affiliation(s)
- Kingsley Ibhazehiebo
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Cezar Gavrilovici
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
- Departments of Pediatrics, Clinical Neurosciences, Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Cristiane L de la Hoz
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Shun-Chieh Ma
- Departments of Neurology and Neurobiology, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, Arizona, USA
| | - Renata Rehak
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Gaurav Kaushik
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Paola L Meza Santoscoy
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Lucas Scott
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
- Departments of Pediatrics, Clinical Neurosciences, Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Nandan Nath
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
| | - Do-Young Kim
- Departments of Neurology and Neurobiology, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, Arizona, USA
| | - Jong M Rho
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
- Departments of Pediatrics, Clinical Neurosciences, Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Deborah M Kurrasch
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Canada
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