1
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Aleksandrova Y, Neganova M. Deciphering the Mysterious Relationship between the Cross-Pathogenetic Mechanisms of Neurodegenerative and Oncological Diseases. Int J Mol Sci 2023; 24:14766. [PMID: 37834214 PMCID: PMC10573395 DOI: 10.3390/ijms241914766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
The relationship between oncological pathologies and neurodegenerative disorders is extremely complex and is a topic of concern among a growing number of researchers around the world. In recent years, convincing scientific evidence has accumulated that indicates the contribution of a number of etiological factors and pathophysiological processes to the pathogenesis of these two fundamentally different diseases, thus demonstrating an intriguing relationship between oncology and neurodegeneration. In this review, we establish the general links between three intersecting aspects of oncological pathologies and neurodegenerative disorders, i.e., oxidative stress, epigenetic dysregulation, and metabolic dysfunction, examining each process in detail to establish an unusual epidemiological relationship. We also focus on reviewing the current trends in the research and the clinical application of the most promising chemical structures and therapeutic platforms that have a modulating effect on the above processes. Thus, our comprehensive analysis of the set of molecular determinants that have obvious cross-functional pathways in the pathogenesis of oncological and neurodegenerative diseases can help in the creation of advanced diagnostic tools and in the development of innovative pharmacological strategies.
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Affiliation(s)
- Yulia Aleksandrova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia;
| | - Margarita Neganova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, 142432 Chernogolovka, Russia;
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, 420088 Kazan, Russia
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2
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Mehmood SA, Sahu KK, Sengupta S, Partap S, Karpoormath R, Kumar B, Kumar D. Recent advancement of HDAC inhibitors against breast cancer. Med Oncol 2023; 40:201. [PMID: 37294406 DOI: 10.1007/s12032-023-02058-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/22/2023] [Indexed: 06/10/2023]
Abstract
Recent studies highlight the great potential impact of HDAC inhibitors (HDACis) in suppressing TNBC, even though clinical trials including a single HDACis demonstrated unsatisfactory outcomes against TNBC. New compounds created to achieve isoform selectivity and/or a polypharmacological HDAC strategy have also produced interesting results. The current study discusses the HDACis pharmacophoric models and the structural alterations that produced drugs with strong inhibitory effects on TNBC progression. With more than 2 million new cases reported in 2018, breast cancer-the most common cancer among women worldwide-poses a significant financial burden on an already deteriorating public health system. Due to a lack of therapies being developed for triple-negative breast cancers and the development of resistance to the current treatment options, it is imperative to plan novel therapeutics in order to bring new medications to the pipeline. Additionally, HDACs deacetylate a large number of nonhistone cellular substrates that control a variety of biological processes, such as the beginning and development of cancer. The significance of HDACs in cancer and the therapeutic potential of HDAC inhibitor. Furthermore, we also reported molecular docking study with four HDAC inhibitors and performed molecular dynamic stimulation of the best dock score compound. Among the four ligands belinostat compound showed best binding affinity with histone deacetylase protein which was -8.7 kJ/mol. It also formed five conventional hydrogen bond with Gly 841, His 669, His 670, pro 809, and His 709 amino acid residues.
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Affiliation(s)
- Syed Abdulla Mehmood
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Humdard University, New Delhi, India
| | - Kantrol Kumar Sahu
- Department of Pharmacology, Institute of Pharmaceutical Research, GLA University, Mathura, Uttar Pradesh, India
| | - Sounok Sengupta
- Department of Pharmacology, School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India
| | - Sangh Partap
- Department of Pharmaceutical Chemistry, Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, 4000, South Africa
| | - Rajshekhar Karpoormath
- Department of Pharmaceutical Chemistry, Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, 4000, South Africa
| | - Brajesh Kumar
- Department of Chemistry, TATA College, Kolhan University, Chaibasa, India
| | - Deepak Kumar
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, India.
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3
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Huang J, Zhang J, Xu W, Wu Q, Zeng R, Liu Z, Tao W, Chen Q, Wang Y, Zhu WG. Structure-Based Discovery of Selective Histone Deacetylase 8 Degraders with Potent Anticancer Activity. J Med Chem 2023; 66:1186-1209. [PMID: 36516047 DOI: 10.1021/acs.jmedchem.2c00739] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Inducing protein degradation by proteolysis targeting chimeras has gained tremendous momentum as a promising novel therapeutic strategy. Here, we report the design, synthesis, and biological characterization of highly potent proteolysis targeting chimeric small molecules targeting the epigenetic regulator histone deacetylase 8 (HDAC8). We developed potent and effective HDAC8 degraders, as exemplified by SZUH280 (16e), which effectively induced HDAC8 protein degradation and inhibited cancer cell growth even at low micromolar concentrations. Our preliminary mechanistic studies revealed that SZUH280 hampers DNA damage repair in cancer cells, promoting cellular radiosensitization. In mice, a single SZUH280 dose induced rapid and prolonged HDAC8 protein degradation in xenograft tumor tissues. Moreover, SZUH280 alone or in combination with irradiation resulted in long-lasting tumor regression in an A549 tumor mouse model. Our findings qualify a new chemical tool for HDAC8 knockdown and may lead to the development of a new class of cancer therapeutics.
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Affiliation(s)
- Jinbo Huang
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Jun Zhang
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Wenchao Xu
- Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen 518055, China
| | - Qiong Wu
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Rongsheng Zeng
- Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen 518055, China
| | - Zhichao Liu
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Wenhui Tao
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Qian Chen
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
| | - Yongqing Wang
- Division of Rheumatology and Immunology, University of Toledo Medical Center, 3120 Glendale Avenue, Toledo 43614, Ohio, United States
| | - Wei-Guo Zhu
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, and International Cancer Center, Shenzhen University School of Medicine, Shenzhen 518055, China.,Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen 518055, China.,Shenzhen Bay Laboratory, Shenzhen University School of Medicine, Shenzhen 518055, China.,Marshall Laboratory of Biomedical Engineering, Shenzhen University School of Medicine, Shenzhen 518055, China.,Health Science Centre School of Basic Medical Sciences, Shenzhen University, Shenzhen 518055, China
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4
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Novel dual LSD1/HDAC6 inhibitor for the treatment of cancer. PLoS One 2023; 18:e0279063. [PMID: 36595522 PMCID: PMC9810167 DOI: 10.1371/journal.pone.0279063] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 11/11/2022] [Indexed: 01/04/2023] Open
Abstract
Dually targeting the epigenetic proteins lysine specific demethylase 1 (LSD1) and histone deacetylases (HDACs) that play a key role in cancer cells by modulating gene repressor complexes including CoREST will have a profound effect in inhibiting tumour growth. Here, we evaluated JBI-097 a dual LSD1/HDAC6 inhibitor, for its in vitro and in vivo activities in various tumor models. In vitro, JBI-097 showed a strong potency in inhibiting LSD1 and HDAC6 enzymatic activities with the isoform selectivity over other HDACs. Cell-based experiments demonstrated a superior anti-proliferative profile against haematological and solid tumor cell lines. JBI-097 also showed strong modulation of HDAC6 and LSD1 specific biomarkers, alpha-tubulin, CD86, CD11b, and GFi1b. In vivo, JBI-097 showed a stronger effect in erythroleukemia, multiple myeloma xenograft models, and in CT-26 syngeneic model. JBI-097 also showed efficacy as monotherapy and additive or synergistic efficacy in combination with the standard of care or with immune checkpoint inhibitors. These and other findings suggest that JBI-097 could be a promising molecule for targeting the LSD1 and HDAC6. Further studies are warranted to elucidate the mechanism of action.
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5
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Kumar A, Emdad L, Fisher PB, Das SK. Targeting epigenetic regulation for cancer therapy using small molecule inhibitors. Adv Cancer Res 2023; 158:73-161. [PMID: 36990539 DOI: 10.1016/bs.acr.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Cancer cells display pervasive changes in DNA methylation, disrupted patterns of histone posttranslational modification, chromatin composition or organization and regulatory element activities that alter normal programs of gene expression. It is becoming increasingly clear that disturbances in the epigenome are hallmarks of cancer, which are targetable and represent attractive starting points for drug creation. Remarkable progress has been made in the past decades in discovering and developing epigenetic-based small molecule inhibitors. Recently, epigenetic-targeted agents in hematologic malignancies and solid tumors have been identified and these agents are either in current clinical trials or approved for treatment. However, epigenetic drug applications face many challenges, including low selectivity, poor bioavailability, instability and acquired drug resistance. New multidisciplinary approaches are being designed to overcome these limitations, e.g., applications of machine learning, drug repurposing, high throughput virtual screening technologies, to identify selective compounds with improved stability and better bioavailability. We provide an overview of the key proteins that mediate epigenetic regulation that encompass histone and DNA modifications and discuss effector proteins that affect the organization of chromatin structure and function as well as presently available inhibitors as potential drugs. Current anticancer small-molecule inhibitors targeting epigenetic modified enzymes that have been approved by therapeutic regulatory authorities across the world are highlighted. Many of these are in different stages of clinical evaluation. We also assess emerging strategies for combinatorial approaches of epigenetic drugs with immunotherapy, standard chemotherapy or other classes of agents and advances in the design of novel epigenetic therapies.
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6
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Ko HJ, Chiou SJ, Tsai CY, Loh JK, Lin XY, Tran TH, Hou CC, Cheng TS, Lai JM, Chang PMH, Wang FS, Su CL, Huang CYF, Hong YR. BMX, a specific HDAC8 inhibitor, with TMZ for advanced CRC therapy: a novel synergic effect to elicit p53-, β-catenin- and MGMT-dependent apoptotic cell death. Cell Commun Signal 2022; 20:200. [PMID: 36575468 PMCID: PMC9793577 DOI: 10.1186/s12964-022-01007-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/26/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Despite advances in treatment, patients with refractory colorectal cancer (CRC) still have poor long-term survival, so there is a need for more effective therapeutic options. METHODS To evaluate the HDAC8 inhibition efficacy as a CRC treatment, we examined the effects of various HDAC8 inhibitors (HDAC8i), including BMX (NBM-T-L-BMX-OS01) in combination with temozolomide (TMZ) or other standard CRC drugs on p53 mutated HT29 cells, as well as wild-type p53 HCT116 and RKO cells. RESULTS We showed that HDAC8i with TMZ cotreatment resulted in HT29 arrest in the S and G2/M phase, whereas HCT116 and RKO arrest in the G0/G1 phase was accompanied by high sub-G1. Subsequently, this combination approach upregulated p53-mediated MGMT inhibition, leading to apoptosis. Furthermore, we observed the cotreatment also enabled triggering of cell senescence and decreased expression of stem cell biomarkers. Mechanistically, we found down-expression levels of β-catenin, cyclin D1 and c-Myc via GSK3β/β-catenin signaling. Intriguingly, autophagy also contributes to cell death under the opposite status of β-catenin/p62 axis, suggesting that there exists a negative feedback regulation between Wnt/β-catenin and autophagy. Consistently, the Gene Set Enrichment Analysis (GSEA) indicated both apoptotic and autophagy biomarkers in HT29 and RKO were upregulated after treating with BMX. CONCLUSIONS BMX may act as a HDAC8 eraser and in combination with reframed-TMZ generates a remarkable synergic effect, providing a novel therapeutic target for various CRCs. Video Abstract.
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Affiliation(s)
- Huey-Jiun Ko
- grid.412019.f0000 0000 9476 5696Graduate Institutes of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan
| | - Shean-Jaw Chiou
- grid.412019.f0000 0000 9476 5696Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan
| | - Cheng-Yu Tsai
- grid.412019.f0000 0000 9476 5696Post Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412027.20000 0004 0620 9374Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung, 80708 Taiwan
| | - Joon-Khim Loh
- grid.412027.20000 0004 0620 9374Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung, 80708 Taiwan
| | - Xin-Yi Lin
- grid.412019.f0000 0000 9476 5696Graduate Institutes of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan
| | - Thu-Ha Tran
- grid.260539.b0000 0001 2059 7017Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, 112 Taiwan ,grid.260539.b0000 0001 2059 7017Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan
| | - Chia-Chung Hou
- New Drug Research & Development Center, NatureWise Biotech & Medicals Corporation, Taipei, 112 Taiwan
| | - Tai-Shan Cheng
- grid.260539.b0000 0001 2059 7017Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan
| | - Jin-Mei Lai
- grid.256105.50000 0004 1937 1063Department of Life Science, Fu-Jen Catholic University, New Taipei City, 24205 Taiwan
| | - Peter Mu-Hsin Chang
- grid.260539.b0000 0001 2059 7017Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan ,grid.278247.c0000 0004 0604 5314Department of Oncology, Taipei Veterans General Hospital, Taipei, 11217 Taiwan ,grid.260539.b0000 0001 2059 7017Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan
| | - Feng-Sheng Wang
- grid.412047.40000 0004 0532 3650Department of Chemical Engineering, National Chung Cheng University, Chiayi, 62102 Taiwan
| | - Chun-Li Su
- grid.412090.e0000 0001 2158 7670Graduate Program of Nutrition Science, School of Life Science, National Taiwan Normal University, Taipei, 11677 Taiwan
| | - Chi-Ying F. Huang
- grid.412019.f0000 0000 9476 5696Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.260539.b0000 0001 2059 7017Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, 112 Taiwan ,grid.260539.b0000 0001 2059 7017Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan ,grid.260539.b0000 0001 2059 7017Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei, 11211 Taiwan
| | - Yi-Ren Hong
- grid.412019.f0000 0000 9476 5696Graduate Institutes of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412036.20000 0004 0531 9758Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, 804 Taiwan ,grid.412027.20000 0004 0620 9374Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696Center for Cancer Research, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan ,grid.412019.f0000 0000 9476 5696Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung, 80708 Taiwan
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7
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Fernández-Rodríguez J, Creus-Bachiller E, Zhang X, Martínez-Iniesta M, Ortega-Bertran S, Guha R, Thomas CJ, Wallace MR, Romagosa C, Salazar-Huayna L, Reilly KM, Blakely JO, Serra-Musach J, Pujana MA, Serra E, Villanueva A, Ferrer M, Lázaro C. A High-Throughput Screening Platform Identifies Novel Combination Treatments for Malignant Peripheral Nerve Sheath Tumors. Mol Cancer Ther 2022; 21:1246-1258. [PMID: 35511749 PMCID: PMC9256801 DOI: 10.1158/1535-7163.mct-21-0947] [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: 11/23/2021] [Revised: 03/09/2022] [Accepted: 04/28/2022] [Indexed: 01/07/2023]
Abstract
Malignant peripheral nerve sheath tumors (MPNST) are soft-tissue sarcomas that are the leading cause of mortality in patients with Neurofibromatosis type 1 (NF1). Single chemotherapeutic agents have shown response rates ranging from 18% to 44% in clinical trials, so there is still a high medical need to identify chemotherapeutic combination treatments that improve clinical prognosis and outcome. We screened a collection of compounds from the NCATS Mechanism Interrogation PlatE (MIPE) library in three MPNST cell lines, using cell viability and apoptosis assays. We then tested whether compounds that were active as single agents were synergistic when screened as pairwise combinations. Synergistic combinations in vitro were further evaluated in patient-derived orthotopic xenograft/orthoxenograft (PDOX) athymic models engrafted with primary MPNST matching with their paired primary-derived cell line where synergism was observed. The high-throughput screening identified 21 synergistic combinations, from which four exhibited potent synergies in a broad panel of MPNST cell lines. One of the combinations, MK-1775 with Doxorubicin, significantly reduced tumor growth in a sporadic PDOX model (MPNST-SP-01; sevenfold) and in an NF1-PDOX model (MPNST-NF1-09; fourfold) and presented greater effects in TP53 mutated MPNST cell lines. The other three combinations, all involving Panobinostat (combined with NVP-BGT226, Torin 2, or Carfilzomib), did not reduce the tumor volume in vivo at noncytotoxic doses. Our results support the utility of our screening platform of in vitro and in vivo models to explore new therapeutic approaches for MPNSTs and identified that combination MK-1775 with Doxorubicin could be a good pharmacologic option for the treatment of these tumors.
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Affiliation(s)
- Juana Fernández-Rodríguez
- Hereditary Cancer Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Spain
| | - Edgar Creus-Bachiller
- Hereditary Cancer Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Spain
| | - Xiaohu Zhang
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA
| | - Maria Martínez-Iniesta
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Procure Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
| | - Sara Ortega-Bertran
- Hereditary Cancer Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain
| | - Rajarshi Guha
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA
| | - Craig J. Thomas
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA
| | - Margaret R. Wallace
- Department of Molecular Genetics & Microbiology, University of Florida College of Medicine, Gainesville, FL, USA
| | - Cleofe Romagosa
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Spain.,Department of Pathology, Vall d’Hebron University Hospital, Barcelona, Spain
| | | | - Karlyne M. Reilly
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, MD, USA
| | - Jaishri O. Blakely
- Neurofibromatosis Therapeutic Acceleration Program (NTAP), Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jordi Serra-Musach
- Procure Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
| | - Miguel Angel Pujana
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Procure Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
| | - Eduard Serra
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Spain.,Hereditary Cancer Group. The Institute for Health Science Research Germans Trias i Pujol (IGTP) - PMPPC; Badalona, Barcelona, Spain
| | - Alberto Villanueva
- Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Procure Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain
| | - Marc Ferrer
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, NIH, Rockville, MD, USA.,Correspondence:Conxi Lázaro, Ph.D. Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL and CIBERONC. Av. Gran Via 199-203, 08908, Hospitalet de Llobregat, Spain, Tel: (+34) 93 2607145, , Marc Ferrer, Ph.D. National Center for Advancing Translational Sciences, NIH, 9800 Medical Center Drive, Rockville, MD 20850, Tel: (240) 515-4118,
| | - Conxi Lázaro
- Hereditary Cancer Program, Catalan Institute of Oncology, Hospitalet de Llobregat, Barcelona, Spain,Program in Molecular Mechanisms and Experimental Therapy in Oncology (Oncobell), IDIBELL, Hospitalet de Llobregat, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Spain.,Correspondence:Conxi Lázaro, Ph.D. Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL and CIBERONC. Av. Gran Via 199-203, 08908, Hospitalet de Llobregat, Spain, Tel: (+34) 93 2607145, , Marc Ferrer, Ph.D. National Center for Advancing Translational Sciences, NIH, 9800 Medical Center Drive, Rockville, MD 20850, Tel: (240) 515-4118,
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8
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Spreafico M, Cafora M, Bragato C, Capitanio D, Marasca F, Bodega B, De Palma C, Mora M, Gelfi C, Marozzi A, Pistocchi A. Targeting HDAC8 to ameliorate skeletal muscle differentiation in Duchenne muscular dystrophy. Pharmacol Res 2021; 170:105750. [PMID: 34214631 DOI: 10.1016/j.phrs.2021.105750] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/07/2021] [Accepted: 06/25/2021] [Indexed: 02/07/2023]
Abstract
Duchenne muscular dystrophy (DMD) causes progressive skeletal muscle degeneration and currently there are few therapeutic options. The identification of new drug targets and their validation in model systems of DMD could be a promising approach to make progress in finding new treatments for this lethal disease. Histone deacetylases (HDACs) play key roles in myogenesis and the therapeutic approach targeting HDACs in DMD is in an advanced phase of clinical trial. Here, we show that the expression of HDAC8, one of the members of the HDAC family, is increased in DMD patients and dystrophic zebrafish. The selective inhibition of HDAC8 with the PCI-34051 inhibitor rescues skeletal muscle defects, similarly to the treatment with the pan-HDAC inhibitor Givinostat. Through acetylation profile of zebrafish with HDAC8 dysregulation, we identified new HDAC8 targets involved in cytoskeleton organization such as tubulin that, when acetylated, is a marker of stable microtubules. Our work provides evidence of HDAC8 overexpression in DMD patients and zebrafish and supports its specific inhibition as a new valuable therapeutic approach in the treatment of this pathology.
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MESH Headings
- Animals
- Humans
- Acetylation
- Animals, Genetically Modified
- Cell Differentiation
- Disease Models, Animal
- Histone Deacetylase Inhibitors/pharmacology
- Histone Deacetylases/genetics
- Histone Deacetylases/metabolism
- Hydroxamic Acids/pharmacology
- Indoles/pharmacology
- Muscle Development
- Muscle, Skeletal/drug effects
- Muscle, Skeletal/enzymology
- Muscle, Skeletal/pathology
- Muscular Dystrophy, Duchenne/drug therapy
- Muscular Dystrophy, Duchenne/enzymology
- Muscular Dystrophy, Duchenne/genetics
- Muscular Dystrophy, Duchenne/pathology
- Protein Processing, Post-Translational
- Repressor Proteins/antagonists & inhibitors
- Repressor Proteins/genetics
- Repressor Proteins/metabolism
- Signal Transduction
- Zebrafish
- Zebrafish Proteins/antagonists & inhibitors
- Zebrafish Proteins/genetics
- Zebrafish Proteins/metabolism
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Affiliation(s)
- Marco Spreafico
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Milan, Italy
| | - Marco Cafora
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Milan, Italy; Dipartimento di Scienze Cliniche e Comunità, Università degli Studi di Milano, Milan, Italy
| | - Cinzia Bragato
- PhD program in Neuroscience, Università degli Studi di Milano-Bicocca, Monza, Italy; Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Daniele Capitanio
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy
| | - Federica Marasca
- Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi" (INGM), Milan, Italy
| | - Beatrice Bodega
- Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi" (INGM), Milan, Italy; Dipartimento di Bioscienze, Università degli Studi di Milano, Milan, Italy
| | - Clara De Palma
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Milan, Italy
| | - Marina Mora
- Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Cecilia Gelfi
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Anna Marozzi
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Milan, Italy
| | - Anna Pistocchi
- Dipartimento di Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, Milan, Italy.
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9
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Feng S, De Carvalho DD. Clinical advances in targeting epigenetics for cancer therapy. FEBS J 2021; 289:1214-1239. [DOI: 10.1111/febs.15750] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/08/2021] [Accepted: 02/03/2021] [Indexed: 12/17/2022]
Affiliation(s)
- Shengrui Feng
- Princess Margaret Cancer Centre University Health Network Toronto ON Canada
- Department of Medical Biophysics University of Toronto ON Canada
| | - Daniel D. De Carvalho
- Princess Margaret Cancer Centre University Health Network Toronto ON Canada
- Department of Medical Biophysics University of Toronto ON Canada
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10
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Zhang R, Shen M, Wu C, Chen Y, Lu J, Li J, Zhao L, Meng H, Zhou X, Huang G, Zhao X, Liu J. HDAC8-dependent deacetylation of PKM2 directs nuclear localization and glycolysis to promote proliferation in hepatocellular carcinoma. Cell Death Dis 2020; 11:1036. [PMID: 33279948 PMCID: PMC7719180 DOI: 10.1038/s41419-020-03212-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 01/11/2023]
Abstract
Pyruvate kinase M2 (PKM2) is not only a key rate-limiting enzyme that guides glycolysis, but also acts as a non-metabolic protein in regulating gene transcription. In recent years, a series of studies have confirmed that post-translational modification has become an important mechanism for regulating the function of PKM2, which in turn affects tumorigenesis. In this study, we found that K62 residues were deacetylated, which is related to the prognosis of HCC. Further studies indicate that HDAC8 binds and deacetylates the K62 residue of PKM2. Mechanistically, K62 deacetylation facilitate PKM2 transport into the nucleus and bind β-catenin, thereby promoting CCND1 gene transcription and cell cycle progression. In addition, the deacetylation of K62 affects the enzyme activity of PKM2 and the flux of glucose metabolism. Therefore, these results suggest that HDAC8 / PKM2 signaling may become a new target for the treatment of HCC.
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Affiliation(s)
- Ruixue Zhang
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Mengqin Shen
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Chunhua Wu
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Yumei Chen
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jiani Lu
- Division of Physical Therapy Education, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jiajin Li
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Li Zhao
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Huannan Meng
- Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai, 201318, China
| | - Xiang Zhou
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Gang Huang
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
- Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xiaoping Zhao
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
| | - Jianjun Liu
- Department of Nuclear Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China.
- Division of Physical Therapy Education, University of Nebraska Medical Center, Omaha, NE, USA.
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11
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Jänsch N, Sugiarto WO, Muth M, Kopranovic A, Desczyk C, Ballweg M, Kirschhöfer F, Brenner‐Weiss G, Meyer‐Almes F. Switching the Switch: Ligand Induced Disulfide Formation in HDAC8. Chemistry 2020; 26:13249-13255. [PMID: 32428298 PMCID: PMC7692948 DOI: 10.1002/chem.202001712] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/11/2020] [Indexed: 01/10/2023]
Abstract
Human histone deacetylase 8 is a well-recognized target for T-cell lymphoma and particularly childhood neuroblastoma. PD-404,182 was shown to be a selective covalent inhibitor of HDAC8 that forms mixed disulfides with several cysteine residues and is also able to transform thiol groups to thiocyanates. Moreover, HDAC8 was shown to be regulated by a redox switch based on the reversible formation of a disulfide bond between cysteines Cys102 and Cys153 . This study on the distinct effects of PD-404,182 on HDAC8 reveals that this compound induces the dose-dependent formation of intramolecular disulfide bridges. Therefore, the inhibition mechanism of HDAC8 by PD-404,182 involves both, covalent modification of thiols as well as ligand mediated disulfide formation. Moreover, this study provides a deep molecular insight into the regulation mechanism of HDAC8 involving several cysteines with graduated capability to form reversible disulfide bridges.
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Affiliation(s)
- Niklas Jänsch
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
| | - Wisely Oki Sugiarto
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
| | - Marius Muth
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz Platz-176334Eggenstein-LeopoldshafenGermany
| | - Aleksandra Kopranovic
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
| | - Charlotte Desczyk
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
| | - Matthias Ballweg
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
| | - Frank Kirschhöfer
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz Platz-176334Eggenstein-LeopoldshafenGermany
| | - Gerald Brenner‐Weiss
- Institute of Functional Interfaces (IFG)Karlsruhe Institute of Technology (KIT)Hermann-von-Helmholtz Platz-176334Eggenstein-LeopoldshafenGermany
| | - Franz‐Josef Meyer‐Almes
- Department of Chemical Engineering and BiotechnologyUniversity of Applied Sciences DarmstadtStephanstraße 764295DarmstadtGermany
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12
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Zhang BJ, Chen D, Dekker FJ, Quax WJ. Improving TRAIL-induced apoptosis in cancers by interfering with histone modifications. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2020; 3:791-803. [PMID: 35582230 PMCID: PMC8992553 DOI: 10.20517/cdr.2020.58] [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: 07/28/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 11/12/2022]
Abstract
Epigenetic regulation refers to alterations to the chromatin template that collectively establish differential patterns of gene transcription. Post-translational modifications of the histones play a key role in epigenetic regulation of gene transcription. In this review, we provide an overview of recent studies on the role of histone modifications in carcinogenesis. Since tumour-selective ligands such as tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) are well-considered as promising anti-tumour therapies, we summarise strategies for improving TRAIL sensitivity by inhibiting aberrant histone modifications in cancers. In this perspective we also discuss new epigenetic drug targets for enhancing TRAIL-mediated apoptosis.
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Affiliation(s)
- Bao-Jie Zhang
- University of Groningen, Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Deng Chen
- University of Groningen, Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Frank J. Dekker
- University of Groningen, Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Wim J. Quax
- University of Groningen, Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Groningen 9713 AV, The Netherlands
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13
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Enhancing Antitumor Efficacy of Heavily Vascularized Tumors by RAMBO Virus through Decreased Tumor Endothelial Cell Activation. Cancers (Basel) 2020; 12:cancers12041040. [PMID: 32340193 PMCID: PMC7225935 DOI: 10.3390/cancers12041040] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 04/18/2020] [Accepted: 04/19/2020] [Indexed: 02/08/2023] Open
Abstract
Vascularization is a common pathology for many solid tumors, and therefore anti-angiogenic strategies are being investigated as a therapeutic target for treatment. Numerous studies are also being conducted regarding the effects of oncolytic viruses, including ImlygicTM, an FDA approved oncolytic herpes simplex virus-1 (oHSV) for the treatment of highly vascularized tumors such as Kaposi sarcoma (NCT04065152), and brain tumors. To our knowledge, the effects of combining oncolytic HSV with angiogenesis inhibition on endothelial cell activation has not been previously described. Here, we tested the effects of Rapid Antiangiogenesis Mediated By Oncolytic Virus (RAMBO), an oHSV which expresses a potent anti-angiogenic gene Vasculostatin on endothelial cell activation in heavily vascularized solid tumors. oHSV treatment induces endothelial cell activation, which inhibits virus propagation and oncolysis in adjacent tumor cells in vitro. Consistently, this was also observed in intravital imaging of intracranial tumor-bearing mice in vivo where infected tumor endothelial cells could efficiently clear the virus without cell lysis. Quantitative real-time PCR (Q-PCR), leukocyte adhesion assay, and fluorescent microscopy imaging data, however, revealed that RAMBO virus significantly decreased expression of endothelial cell activation markers and leukocyte adhesion, which in turn increased virus replication and cytotoxicity in endothelial cells. In vivo RAMBO treatment of subcutaneously implanted sarcoma tumors significantly reduced tumor growth in mice bearing sarcoma compared to rHSVQ. In addition, histological analysis of RAMBO-treated tumor tissues revealed large areas of necrosis and a statistically significant reduction in microvessel density (MVD). This study provides strong preclinical evidence of the therapeutic benefit for the use of RAMBO virus as a treatment option for highly vascularized tumors.
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14
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Li ML, Su XM, Ren Y, Zhao X, Kong LF, Kang J. HDAC8 inhibitor attenuates airway responses to antigen stimulus through synchronously suppressing galectin-3 expression and reducing macrophage-2 polarization. Respir Res 2020; 21:62. [PMID: 32111211 PMCID: PMC7048058 DOI: 10.1186/s12931-020-1322-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 02/13/2020] [Indexed: 12/16/2022] Open
Abstract
Background This study was to investigate of the mechanism by which histone deacetylase (HDAC) 8 inhibitor ameliorated airway hyperresponsiveness (AHR) and allergic airway inflammation. Methods Mice were sensitized and then treated with budesonide (BUD) or PCI-34051 (PCI) prior to exposing to normal saline (NS) or ovalbumin (OVA). The raw264.7 cells were treated with interleukin (IL)-4 and PCI or shRNA alone. Repetitive measurements of enhanced pause (Penh) were executed by increasing concentrations of acetyl-β-methacholine chloride (0 - 50 mg/ml). Cells in bronchoalveolar lavage fluid (BALF) and pathological changes of lungs were examined, respectively. The expression levels of HDAC8, Galecitn (Gal)-3, CD68, CD86, CD163, Arg1 and NOS2 in lungs were measured. Co-regulation of HDAC8 and Gal-3 proteins was observed by immunofluorescence staining and co-immunoprecipitation assay (Co-IP). Results Significant increases in Penh and IL-4 level were detected with a large inflammatory infiltrate, comprised predominantly of macrophages and eosinophils, into the BALF in OVA-exposed lungs. HDAC8, Gal-3, CD68, CD86, CD163, Arg1 and NOS2 proteins were over-expressed with the significant changes in the Arg1 and NOS2 mRNA levels in the lungs and the IL-4-treated cells. PCI intervention obviously reduced the counts of CD163+ cells. Furthermore, Gal-3 knockdown suppressed Arg1 expression in the cells. Immunofluorescence staining displayed simultaneous changes in HDAC8 and Gal-3 expression in the investigated samples. Treatment with PCI resulted in synchronous reduction of HDAC8 and Gal-3 expression in the Co-IP complexes. Conclusions The HDAC8 inhibitor ameliorates AHR and airway inflammation in animal model of allergic asthma through reducing HDAC8-Gal-3 interaction and M2 macrophage polarization.
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Affiliation(s)
- Meng-Lu Li
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Xin-Ming Su
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Yuan Ren
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Xuan Zhao
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Ling-Fei Kong
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China
| | - Jian Kang
- Department of Respiratory and Critical Care Medicine, Institute of Respiratory Diseases, The First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China.
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15
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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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16
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Non-cytotoxic systemic treatment in malignant peripheral nerve sheath tumors (MPNST): A systematic review from bench to bedside. Crit Rev Oncol Hematol 2019; 138:223-232. [DOI: 10.1016/j.critrevonc.2019.04.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 03/28/2019] [Accepted: 04/08/2019] [Indexed: 12/19/2022] Open
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17
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Abstract
Histone deacetylase 8 (HDAC8) is one of the attractive therapeutic anticancer targets. HDAC8 has been overexpressed in a variety of human cancers. Therefore, HDAC8 inhibitors offer beneficial effects in the treatment of solid and hematological tumors. Different HDAC inhibitors entered into different phases of clinical studies. However, selectivity towards specific HDAC8 enzyme is still demanding. In this patent review, a number of patented selective and nonselective HDAC8 inhibitors along with their implication as anticancer agents have been discussed in details. Molecules should possess modified fish-like structural arrangement to impart potency and selectivity towards HDAC8. This comprehensive patent analysis will surely provide newer aspects of designing selective HDAC8 inhibitors targeted to anticancer therapy in future.
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18
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Xiao T, Fu Y, Zhu W, Xu R, Xu L, Zhang P, Du Y, Cheng J, Jiang H. HDAC8, A Potential Therapeutic Target, Regulates Proliferation and Differentiation of Bone Marrow Stromal Cells in Fibrous Dysplasia. Stem Cells Transl Med 2018; 8:148-161. [PMID: 30426726 PMCID: PMC6344909 DOI: 10.1002/sctm.18-0057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 08/06/2018] [Accepted: 08/15/2018] [Indexed: 12/12/2022] Open
Abstract
Fibrous dysplasia (FD) is a disease of postnatal skeletal stem cells caused by activating mutations of guanine nucleotide-binding protein alpha-stimulating activity polypeptide (GNAS). FD is characterized by high proliferation and osteogenesis disorder of bone marrow stromal cells (BMSCs), resulting in bone pain, deformities, and fractures. The cAMP-CREB pathway, which is activated by GNAS mutations, is known to be closely associated with the occurrence of FD. However, so far there is no available targeted therapeutic strategy for FD, as a critical issue that remains largely unknown is how this pathway is involved in FD. Our previous study revealed that histone deacetylase 8 (HDAC8) inhibited the osteogenic differentiation of BMSCs via epigenetic regulation. Here, compared with normal BMSCs, FD BMSCs exhibited significantly high proliferation and weak osteogenic capacity in response to HDAC8 upregulation and tumor protein 53 (TP53) downregulation. Moreover, inhibition of cAMP reduced HDAC8 expression, increased TP53 expression and resulted in the improvement of FD phenotype. Importantly, HDAC8 inhibition prevented cAMP-induced cell phenotype and promoted osteogenesis in nude mice that were implanted with FD BMSCs. Mechanistically, HDAC8 was identified as a transcriptional target gene of CREB1 and its transcription was directly activated by CREB1 in FD BMSCs. In summary, our study reveals that HDAC8 associates with FD phenotype and demonstrates the mechanisms regulated by cAMP-CREB1-HDAC8 pathway. These results provide insights into the molecular regulation of FD pathogenesis, and offer novel clues that small molecule inhibitors targeting HDAC8 are promising clinical treatment for FD. Stem Cells Translational Medicine 2019;8:148&14.
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Affiliation(s)
- Tao Xiao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yu Fu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Weiwen Zhu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China
| | - Rongyao Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China
| | - Ling Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China
| | - Ping Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yifei Du
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Jie Cheng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China
| | - Hongbing Jiang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, People's Republic of China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, People's Republic of China
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Marek M, Shaik TB, Heimburg T, Chakrabarti A, Lancelot J, Ramos-Morales E, Da Veiga C, Kalinin D, Melesina J, Robaa D, Schmidtkunz K, Suzuki T, Holl R, Ennifar E, Pierce RJ, Jung M, Sippl W, Romier C. Characterization of Histone Deacetylase 8 (HDAC8) Selective Inhibition Reveals Specific Active Site Structural and Functional Determinants. J Med Chem 2018; 61:10000-10016. [PMID: 30347148 DOI: 10.1021/acs.jmedchem.8b01087] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Metal-dependent histone deacetylases (HDACs) are key epigenetic regulators that represent promising therapeutic targets for the treatment of numerous human diseases. Yet the currently FDA-approved HDAC inhibitors nonspecifically target at least several of the 11 structurally similar but functionally different HDAC isozymes, which hampers their broad usage in clinical settings. Selective inhibitors targeting single HDAC isozymes are being developed, but precise understanding in molecular terms of their selectivity remains sparse. Here, we show that HDAC8-selective inhibitors adopt a L-shaped conformation required for their binding to a HDAC8-specific pocket formed by HDAC8 catalytic tyrosine and HDAC8 L1 and L6 loops. In other HDAC isozymes, a L1-L6 lock sterically prevents L-shaped inhibitor binding. Shielding of the HDAC8-specific pocket by protein engineering decreases potency of HDAC8-selective inhibitors and affects catalytic activity. Collectively, our results unravel key HDAC8 active site structural and functional determinants important for the design of next-generation chemical probes and epigenetic drugs.
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Affiliation(s)
- Martin Marek
- Institut de Génétique et Biologie Moléculaire et Cellulaire (IGBMC), Département de Biologie Structurale Intégrative , Université de Strasbourg, Centre National de la Recherche Scientifique (CNRS UMR7104), Institut National de la Santé et de la Recherche Médicale (INSERM U1258) , 1 rue Laurent Fries , 67404 Illkirch Cedex , France
| | - Tajith B Shaik
- Institut de Génétique et Biologie Moléculaire et Cellulaire (IGBMC), Département de Biologie Structurale Intégrative , Université de Strasbourg, Centre National de la Recherche Scientifique (CNRS UMR7104), Institut National de la Santé et de la Recherche Médicale (INSERM U1258) , 1 rue Laurent Fries , 67404 Illkirch Cedex , France
| | - Tino Heimburg
- Institute of Pharmacy , Martin-Luther-Universität Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle/Saale , Germany
| | - Alokta Chakrabarti
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Julien Lancelot
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 8204-CIIL-Centre d'Infection et d'Immunité de Lille , Université de Lille , F-59000 Lille , France
| | - Elizabeth Ramos-Morales
- Institut de Génétique et Biologie Moléculaire et Cellulaire (IGBMC), Département de Biologie Structurale Intégrative , Université de Strasbourg, Centre National de la Recherche Scientifique (CNRS UMR7104), Institut National de la Santé et de la Recherche Médicale (INSERM U1258) , 1 rue Laurent Fries , 67404 Illkirch Cedex , France
| | - Cyrielle Da Veiga
- Architecture et Réactivité de l'ARN, Institut de Biologie Moléculaire et Cellulaire (IBMC), UPR 9004 du CNRS , Université de Strasbourg , 15 Rue René Descartes , 67084 Strasbourg Cedex , France
| | - Dmitrii Kalinin
- Institute of Pharmaceutical and Medicinal Chemistry , University of Münster , Corrensstraße 48 , 48149 Münster , Germany
| | - Jelena Melesina
- Institute of Pharmacy , Martin-Luther-Universität Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle/Saale , Germany
| | - Dina Robaa
- Institute of Pharmacy , Martin-Luther-Universität Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle/Saale , Germany
| | - Karin Schmidtkunz
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Takayoshi Suzuki
- Graduate School of Medical Science , Kyoto Prefectural University of Medicine , 1-5 Shimogamohangi-Cho, Sakyo-Ku , 606-0823 Kyoto , Japan.,CREST , Japan Science and Technology Agency (JST) , 4-1-8 Honcho Kawaguchi , 332-0012 Saitama , Japan
| | - Ralph Holl
- Department of Chemistry, Institute of Organic Chemistry , University of Hamburg , Martin-Luther-King-Platz 6 , 20146 Hamburg , Germany
| | - Eric Ennifar
- Architecture et Réactivité de l'ARN, Institut de Biologie Moléculaire et Cellulaire (IBMC), UPR 9004 du CNRS , Université de Strasbourg , 15 Rue René Descartes , 67084 Strasbourg Cedex , France
| | - Raymond J Pierce
- CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR 8204-CIIL-Centre d'Infection et d'Immunité de Lille , Université de Lille , F-59000 Lille , France
| | - Manfred Jung
- Institute of Pharmaceutical Sciences , Albert-Ludwigs-Universität Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Wolfgang Sippl
- Institute of Pharmacy , Martin-Luther-Universität Halle-Wittenberg , Wolfgang-Langenbeck-Straße 4 , 06120 Halle/Saale , Germany
| | - Christophe Romier
- Institut de Génétique et Biologie Moléculaire et Cellulaire (IGBMC), Département de Biologie Structurale Intégrative , Université de Strasbourg, Centre National de la Recherche Scientifique (CNRS UMR7104), Institut National de la Santé et de la Recherche Médicale (INSERM U1258) , 1 rue Laurent Fries , 67404 Illkirch Cedex , France
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20
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SARC018_SPORE02: Phase II Study of Mocetinostat Administered with Gemcitabine for Patients with Metastatic Leiomyosarcoma with Progression or Relapse following Prior Treatment with Gemcitabine-Containing Therapy. Sarcoma 2018; 2018:2068517. [PMID: 30473623 PMCID: PMC6220374 DOI: 10.1155/2018/2068517] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 08/07/2018] [Accepted: 10/02/2018] [Indexed: 02/07/2023] Open
Abstract
Histone deacetylase inhibitors (HDACi) can reverse chemoresistance, enhance chemotherapy-induced cytotoxicity, and reduce sarcoma proliferation in cell lines and animal models. We sought to determine the safety and toxicity of mocetinostat and its ability to reverse chemoresistance when administered with gemcitabine in patients with metastatic leiomyosarcoma resistant to prior gemcitabine-containing therapy. Participants with metastatic leiomyosarcoma received mocetinostat orally, 70 mg per day, three days per week, increasing to 90 mg after three weeks if well tolerated. Gemcitabine was administered at 1,000 mg/m2 intravenously at 10 mg/m2/minute on days five and 12 of every 21-day cycle. Disease response was evaluated with CT or MRI. Twenty participants with leiomyosarcoma were evaluated for toxicity. Median time to disease progression was 2.0 months (95% CI 1.54–3.12). Eighteen participants were evaluated for radiologic response by RECIST 1.1. Best responses included one PR and 12 SD. Tumor size reduced in 3 patients. Most common toxicities were fatigue, thrombocytopenia, anemia, nausea, and anorexia. One patient experienced a significant pericardial adverse event. No study-related deaths were observed. Rechallenging with gemcitabine by adding mocetinostat was feasible and demonstrated modest activity in patients with leiomyosarcoma. Further studies are needed to better define the role of HDAC inhibitors in patients with metastatic leiomyosarcoma.
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Jänsch N, Meyners C, Muth M, Kopranovic A, Witt O, Oehme I, Meyer-Almes FJ. The enzyme activity of histone deacetylase 8 is modulated by a redox-switch. Redox Biol 2018; 20:60-67. [PMID: 30292946 PMCID: PMC6174833 DOI: 10.1016/j.redox.2018.09.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 09/12/2018] [Accepted: 09/24/2018] [Indexed: 01/05/2023] Open
Abstract
Enzymes from the histone deacetylase (HDAC) family are highly regulated by different mechanisms. However, only very limited knowledge exists about the regulation of HDAC8, an established target in multiple types of cancer. A previous dedicated study of HDAC class I enzymes identified no redox-sensitive cysteinyl thiol in HDAC8. This is in contrast to the observation that HDAC8 preparations show different enzyme activities depending on the addition of reducing agents. In the light of the importance of HDAC8 in tumorigenesis a possible regulation by redox signaling was investigated using biochemical and biophysical methods combined with site directed mutagenesis. The occurrence of a characteristic disulfide bond under oxidizing conditions is associated with a complete but reversible loss of enzyme activity. Cysteines 102 and 153 are the integral components of the redox-switch. A possible regulation of HDAC8 by redox signal transduction is suggested by the observed relationship between inhibition of reactive oxygen species generating NOX and concomitant increased HDAC8 activity in neuroblastoma tumor cells. The slow kinetics for direct oxidation of HDAC8 by hydrogen peroxide suggests that transmitters of oxidative equivalents are required to transfer the H2O2 signal to HDAC8.
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Affiliation(s)
- Niklas Jänsch
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Christian Meyners
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Marius Muth
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Aleksandra Kopranovic
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany
| | - Olaf Witt
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Germany; Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), INF 280, D-69120 Heidelberg, Germany; Department of Pediatric Oncology, Hematology and Immunology, University Hospital Heidelberg, Heidelberg, Germany; German Cancer Research Consortium (DKTK), Germany
| | - Ina Oehme
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Germany; Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), INF 280, D-69120 Heidelberg, Germany; German Cancer Research Consortium (DKTK), Germany
| | - Franz-Josef Meyer-Almes
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Haardtring 100, 64295 Darmstadt, Germany.
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22
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Ha SD, Solomon O, Akbari M, Sener A, Kim SO. Histone deacetylase 8 protects human proximal tubular epithelial cells from hypoxia-mimetic cobalt- and hypoxia/reoxygenation-induced mitochondrial fission and cytotoxicity. Sci Rep 2018; 8:11332. [PMID: 30054507 PMCID: PMC6063935 DOI: 10.1038/s41598-018-29463-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 05/17/2018] [Indexed: 02/07/2023] Open
Abstract
Cell death by hypoxia followed by reoxygenation (H/R) is responsible for tissue injury in multiple pathological conditions. Recent studies found that epigenetic reprogramming mediated by histone deacetylases (HDACs) is implicated in H/R-induced cell death. However, among 18 different isoforms comprising 4 classes (I-IV), the role of each HDAC in cell death is largely unknown. This study examined the role of HDAC8, which is the most distinct isoform of class I, in the hypoxia mimetic cobalt- and H/R-induced cytotoxicity of human proximal tubular HK-2 cells. Using the HDAC8-specific activator TM-2-51 (TM) and inhibitor PCI34051, we found that HDAC8 played a protective role in cytotoxicity. TM or overexpression of wild-type HDAC8, but not a deacetylase-defective HDAC8 mutant, prevented mitochondrial fission, loss of mitochondrial transmembrane potential and release of cytochrome C into the cytoplasm. TM suppressed expression of dynamin-related protein 1 (DRP1) which is a key factor required for mitochondrial fission. Suppression of DRP1 by HDAC8 was likely mediated by decreasing the level of acetylated histone H3 lysine 27 (a hallmark of active promoters) at the DRP1 promoter. Collectively, this study shows that HDAC8 inhibits cytotoxicity induced by cobalt and H/R, in part, through suppressing DRP1 expression and mitochondrial fission.
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Affiliation(s)
- Soon-Duck Ha
- Department of Microbiology & Immunology and Infectious Diseases Research Group, Siebens-Drake Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1400 Western Road, London, Ontario, N6G 2V4, Canada
| | - Ori Solomon
- Department of Microbiology & Immunology and Infectious Diseases Research Group, Siebens-Drake Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1400 Western Road, London, Ontario, N6G 2V4, Canada
| | - Masoud Akbari
- Department of Microbiology & Immunology and Infectious Diseases Research Group, Siebens-Drake Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1400 Western Road, London, Ontario, N6G 2V4, Canada
- Department of Surgery, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, N6G 2V4, Canada
| | - Alp Sener
- Department of Microbiology & Immunology and Infectious Diseases Research Group, Siebens-Drake Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1400 Western Road, London, Ontario, N6G 2V4, Canada
- Department of Surgery, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, N6G 2V4, Canada
| | - Sung Ouk Kim
- Department of Microbiology & Immunology and Infectious Diseases Research Group, Siebens-Drake Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, 1400 Western Road, London, Ontario, N6G 2V4, Canada.
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Amin SA, Adhikari N, Jha T. Structure-activity relationships of HDAC8 inhibitors: Non-hydroxamates as anticancer agents. Pharmacol Res 2018. [DOI: 10.1016/j.phrs.2018.03.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Heimburg T, Kolbinger FR, Zeyen P, Ghazy E, Herp D, Schmidtkunz K, Melesina J, Shaik TB, Erdmann F, Schmidt M, Romier C, Robaa D, Witt O, Oehme I, Jung M, Sippl W. Structure-Based Design and Biological Characterization of Selective Histone Deacetylase 8 (HDAC8) Inhibitors with Anti-Neuroblastoma Activity. J Med Chem 2017; 60:10188-10204. [DOI: 10.1021/acs.jmedchem.7b01447] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Tino Heimburg
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Fiona R. Kolbinger
- Clinical
Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), INF 280, 69120 Heidelberg, Germany
- German Consortium for Translational Cancer Research (DKTK), 69120 Heidelberg, Germany
- Preclinical Program, Hopp Children’s Cancer Center at NCT Heidelberg (KiTZ), 69120 Heidelberg, Germany
| | - Patrik Zeyen
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Ehab Ghazy
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Daniel Herp
- Institute
of Pharmaceutical Sciences, University of Freiburg, 79104 Freiburg, Germany
| | - Karin Schmidtkunz
- Institute
of Pharmaceutical Sciences, University of Freiburg, 79104 Freiburg, Germany
| | - Jelena Melesina
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Tajith Baba Shaik
- Département
de Biologie Structurale Intégrative, Institut de Génétique
et Biologie Moléculaire et Cellulaire (IGBMC), Université
de Strasbourg (UDS), CNRS, INSERM, 67404 Illkirch Cedex, France
| | - Frank Erdmann
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Matthias Schmidt
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Christophe Romier
- Département
de Biologie Structurale Intégrative, Institut de Génétique
et Biologie Moléculaire et Cellulaire (IGBMC), Université
de Strasbourg (UDS), CNRS, INSERM, 67404 Illkirch Cedex, France
| | - Dina Robaa
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
| | - Olaf Witt
- Clinical
Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), INF 280, 69120 Heidelberg, Germany
- German Consortium for Translational Cancer Research (DKTK), 69120 Heidelberg, Germany
- Preclinical Program, Hopp Children’s Cancer Center at NCT Heidelberg (KiTZ), 69120 Heidelberg, Germany
- Department
of Pediatric Oncology, Hematology and Immunology, University of Heidelberg Medical Center, 69120 Heidelberg, Germany
| | - Ina Oehme
- Clinical
Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), INF 280, 69120 Heidelberg, Germany
- German Consortium for Translational Cancer Research (DKTK), 69120 Heidelberg, Germany
- Preclinical Program, Hopp Children’s Cancer Center at NCT Heidelberg (KiTZ), 69120 Heidelberg, Germany
| | - Manfred Jung
- Institute
of Pharmaceutical Sciences, University of Freiburg, 79104 Freiburg, Germany
| | - Wolfgang Sippl
- Institute
of Pharmacy, Martin-Luther University of Halle-Wittenberg, 06120 Halle/Saale, Germany
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Wang YF, Liu F, Sherwin S, Farrelly M, Yan XG, Croft A, Liu T, Jin L, Zhang XD, Jiang CC. Cooperativity of HOXA5 and STAT3 Is Critical for HDAC8 Inhibition-Mediated Transcriptional Activation of PD-L1 in Human Melanoma Cells. J Invest Dermatol 2017; 138:922-932. [PMID: 29174371 DOI: 10.1016/j.jid.2017.11.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/27/2017] [Accepted: 11/06/2017] [Indexed: 01/14/2023]
Abstract
Although the expression of programmed death-ligand 1 (PD-L1) is an important mechanism by which cancer cells evade the immune system, PD-L1 expression in cancer cells is commonly associated with patients' responses to treatment with anti-programmed death 1/PD-L1 antibodies. However, how PD-L1 expression is regulated in melanoma cells remains to be fully elucidated. Here we report that the class I histone deacetylase (HDAC) HDAC8 controls transcriptional activation of PD-L1 by a transcription complex consisting of transcription factors homeobox A5 and signal transducer and activator of transcription 3. Inhibition of HDAC8 upregulated PD-L1 in melanoma cells. This was due to an increase in the activity of a fragment of the PD-L1 gene promoter that is enriched with binding sites for both homeobox A5 and signal transducer and activator of transcription 3. Indeed, knockdown of homeobox A5 or signal transducer and activator of transcription 3 abolished upregulation of PD-L1 by HDAC8 inhibition. Moreover, homeobox A5 and signal transducer and activator of transcription 3 were physically associated and appeared interdependent in activating PD-L1 transcription. Functional studies showed that HDAC8-mediated regulation of PD-L1 expression participated in modulating anti-melanoma T-cell responses. Collectively, these results identify HDAC8 as an important epigenetic regulator of PD-L1 expression, with implications for better understanding of the interaction between melanoma cells and the immune system.
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Affiliation(s)
- Yu Fang Wang
- Department of Pathophysiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, P.R. China; School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Fen Liu
- Department of Pathophysiology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, P.R. China
| | - Simonne Sherwin
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Margaret Farrelly
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Xu Guang Yan
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Amanda Croft
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Tao Liu
- Children's Cancer Institute Australia for Medical Research, University of New South Wales, Callaghan, New South Wales, Australia
| | - Lei Jin
- School of Medicine and Public Health, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Xu Dong Zhang
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, New South Wales, Australia.
| | - Chen Chen Jiang
- School of Medicine and Public Health, The University of Newcastle, Callaghan, New South Wales, Australia.
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Tang F, Choy E, Tu C, Hornicek F, Duan Z. Therapeutic applications of histone deacetylase inhibitors in sarcoma. Cancer Treat Rev 2017; 59:33-45. [PMID: 28732326 DOI: 10.1016/j.ctrv.2017.06.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 02/05/2023]
Abstract
Sarcomas are a rare group of malignant tumors originating from mesenchymal stem cells. Surgery, radiation and chemotherapy are currently the only standard treatments for sarcoma. However, their response rates to chemotherapy are quite low. Toxic side effects and multi-drug chemoresistance make treatment even more challenging. Therefore, better drugs to treat sarcomas are needed. Histone deacetylase inhibitors (HDAC inhibitors, HDACi, HDIs) are epigenetic modifying agents that can inhibit sarcoma growth in vitro and in vivo through a variety of pathways, including inducing tumor cell apoptosis, causing cell cycle arrest, impairing tumor invasion and preventing metastasis. Importantly, preclinical studies have revealed that HDIs can not only sensitize sarcomas to chemotherapy and radiotherapy, but also increase treatment responses when combined with other chemotherapeutic drugs. Several phase I and II clinical trials have been conducted to assess the efficacy of HDIs either as monotherapy or in combination with standard chemotherapeutic agents or targeted therapeutic drugs for sarcomas. Combination regimen for sarcomas appear to be more promising than monotherapy when using HDIs. This review summarizes our current understanding and therapeutic applications of HDIs in sarcomas.
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Affiliation(s)
- Fan Tang
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Jackson 1115, Boston, MA 02114, USA; Department of Orthopedics, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan 610041, China
| | - Edwin Choy
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Jackson 1115, Boston, MA 02114, USA
| | - Chongqi Tu
- Department of Orthopedics, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan 610041, China
| | - Francis Hornicek
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Jackson 1115, Boston, MA 02114, USA
| | - Zhenfeng Duan
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, 55 Fruit Street, Jackson 1115, Boston, MA 02114, USA.
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Ha SD, Cho W, Kim SO. HDAC8 Prevents Anthrax Lethal Toxin-induced Cell Cycle Arrest through Silencing PTEN in Human Monocytic THP-1 Cells. Toxins (Basel) 2017; 9:E162. [PMID: 28509866 PMCID: PMC5450710 DOI: 10.3390/toxins9050162] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 05/09/2017] [Accepted: 05/10/2017] [Indexed: 02/08/2023] Open
Abstract
Anthrax lethal toxin (LeTx) is a cytotoxic virulence factor that causes cell cycle arrest and cell death in various cell types. However, susceptibility to the cytotoxic effects varies depending on cell types. In proliferating monocytes, LeTx has only transient cytotoxic effects due to activation of the phosphoinositide 3-kinase (PI3K)-AKT-mediated adaptive responses. To date, the mechanism of LeTx in activating PI3K-AKT signaling axis is unknown. This study shows that the histone deacetylase 8 (HDAC8) is involved in activating PI3K-AKT signaling axis through down-regulating the phosphatase and tensin homolog 1 (PTEN) in human monocytic THP-1 cells. The HDAC8-specific activator TM-2-51 and inhibitor PCI-34051 enhanced and prevented, respectively, AKT activation and cell cycle progression in LeTx-treated cells. Furthermore, HDAC8 induced tri-methylation of histone H3 lysine 27 (H3K27me3), which is known to suppress PTEN expression, through at least in part down-regulating the H3K27me3 eraser Jumonji Domain Containing (JMJD) 3. Importantly, the JMJD3-specific inhibitor GSK-J4 induced AKT activation and protected cell cycle arrest in LeTx-treated cells, regardless the presence of HDAC8 activity. Collectively, this study for the first time demonstrated that HDAC8 activity determines susceptibility to cell cycle arrest induced by LeTx, through regulating the PI3K-PTEN-AKT signaling axis.
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Affiliation(s)
- Soon-Duck Ha
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON N6G 2V4, Canada.
| | - Woohyun Cho
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON N6G 2V4, Canada.
| | - Sung Ouk Kim
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON N6G 2V4, Canada.
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Malignant Peripheral Nerve Sheath Tumors State of the Science: Leveraging Clinical and Biological Insights into Effective Therapies. Sarcoma 2017; 2017:7429697. [PMID: 28592921 PMCID: PMC5448069 DOI: 10.1155/2017/7429697] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 04/03/2017] [Indexed: 01/08/2023] Open
Abstract
Malignant peripheral nerve sheath tumor (MPNST) is the leading cause of mortality in patients with neurofibromatosis type 1. In 2002, an MPNST consensus statement reviewed the current knowledge and provided guidance for the diagnosis and management of MPNST. Although the improvement in clinical outcome has not changed, substantial progress has been made in understanding the natural history and biology of MPNST through imaging and genomic advances since 2002. Genetically engineered mouse models that develop MPNST spontaneously have greatly facilitated preclinical evaluation of novel drugs for translation into clinical trials led by consortia efforts. Continued work in identifying alterations that contribute to the transformation, progression, and metastasis of MPNST coupled with longitudinal follow-up, biobanking, and data sharing is needed to develop prognostic biomarkers and effective prevention and therapeutic strategies for MPNST.
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Steppan DA, Pratilas CA, Loeb DM. Targeted therapy for soft tissue sarcomas in adolescents and young adults. Adolesc Health Med Ther 2017; 8:41-55. [PMID: 28408855 PMCID: PMC5384699 DOI: 10.2147/ahmt.s70377] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Soft tissue sarcomas (STSs) are a heterogeneous group of tumors originating from the mesenchyme. Even though they affect individuals in all age groups, the prevalence of subtypes of STSs changes significantly from childhood through adolescence into adulthood. The mainstay of therapy is surgery, with or without the addition of chemotherapy and/or radiation therapy. These treatment modalities are associated, in many cases, with significant morbidity and, given the heterogeneity of tumor histologies encompassed by the term "STS", have not uniformly improved outcomes. Moreover, some subgroups of STSs appear to be more, and others less, responsive to conventional chemotherapy agents. Over the last two decades, our understanding of the biology of STSs is slowly increasing, allowing for the development of more targeted therapies. We review the new treatment modalities that have been tested on patients with STSs, with a special focus on adolescents and young adults, a group of patients that is often underrepresented in clinical trials and has not received the dedicated attention it deserves, given the significant differences in biology and treatment response in comparison to children and adults.
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Affiliation(s)
- Diana A Steppan
- Division of Pediatric Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Christine A Pratilas
- Division of Pediatric Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - David M Loeb
- Division of Pediatric Oncology, The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Ahn MY, Yoon JH. Histone deacetylase 8 as a novel therapeutic target in oral squamous cell carcinoma. Oncol Rep 2016; 37:540-546. [PMID: 28004115 DOI: 10.3892/or.2016.5280] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/21/2016] [Indexed: 11/06/2022] Open
Abstract
The overexpression of histone deacetylases (HDACs) has been observed in many cancers and inhibition of specific HDAC has emerged as a new target for cancer therapy. The present study examined the expression of HDAC8 and the inhibitory effect of HDAC8 in oral squamous cell carcinoma (OSCC). The expression of HDAC8 was measured in human OSCC tissues and OSCC cell lines using immunohistochemistry and immunoblotting. HDAC8 was knocked down in OSCC cells by transfection with HDAC8 siRNAs and cell proliferation was quantified. Apoptosis and autophagy were measured using flow cytometry and immunoblotting. HDAC8 were overexpressed in OSCC tissues and OSCC cells, mainly localized in the cytoplasm. HDAC8 siRNAs effectively reduced the level of HDAC8 expression and HDAC8 silencing significantly inhibited the proliferation of OSCC cells. HDAC8 knockdown induced apoptotic cell death through caspases activation and pro-survival autophagy in OSCC cells. Combination with HDAC silencing and autophagy inhibition enhanced cell death by increasing apoptosis in OSCC cells. This study suggests that inhibition of HDAC8 might become a novel therapeutic strategy for OSCC.
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Affiliation(s)
- Mee-Young Ahn
- College of Medical and Life Sciences, Division of Bio-industry, Major in Pharmaceutical Engineering, Silla University, Busan 46958, Republic of Korea
| | - Jung-Hoon Yoon
- Department of Oral and Maxillofacial Pathology, College of Dentistry, Wonkwang Bone Regeneration Research Institute, Daejeon Dental Hospital, Wonkwang University, Daejeon 302-120, Republic of Korea
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31
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Zewdu A, Lopez G, Braggio D, Kenny C, Constantino D, Bid HK, Batte K, Iwenofu OH, Oberlies NH, Pearce CJ, Strohecker AM, Lev D, Pollock RE. Verticillin A Inhibits Leiomyosarcoma and Malignant Peripheral Nerve Sheath Tumor Growth via Induction of Apoptosis. ACTA ACUST UNITED AC 2016; 6. [PMID: 28184331 PMCID: PMC5295762 DOI: 10.4172/2161-1459.1000221] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Objective The heterogeneity of soft tissue sarcoma (STS) represents a major challenge for the development of effective therapeutics. Comprised of over 50 different histology subtypes of various etiologies, STS subsets are further characterized as either karyotypically simple or complex. Due to the number of genetic anomalies associated with genetically complex STS, development of therapies demonstrating potency against this STS cluster is especially challenging and yet greatly needed. Verticillin A is a small molecule natural product with demonstrated anticancer activity; however, the efficacy of this agent has never been evaluated in STS. Therefore, the goal of this study was to explore verticillin A as a potential STS therapeutic. Methods We performed survival (MTS) and clonogenic analyses to measure the impact of this agent on the viability and colony formation capability of karyotypically complex STS cell lines: malignant peripheral nerve sheath tumor (MPNST) and leiomyosarcoma (LMS). The in vitro effects of verticillin A on apoptosis were investigated through annexin V/PI flow cytometry analysis and by measuring fluorescently-labeled cleaved caspase 3/7 activity. The impact on cell cycle progression was assessed via cytometric measurement of propidium iodide intercalation. In vivo studies were performed using MPNST xenograft models. Tumors were processed and analyzed using immunohistochemistry (IHC) for verticillin A effects on growth (Ki67) and apoptosis (cleaved caspase 3). Results Treatment with verticillin A resulted in decreased STS growth and an increase in apoptotic levels after 24 h. 100 nM verticillin A induced significant cellular growth abrogation after 24 h (96.7, 88.7, 72.7, 57, and 39.7% reduction in LMS1, S462, ST88, SKLMS1, and MPNST724, respectively). We observed no arrest in cell cycle, elevated annexin, and a nearly two-fold increase in cleaved caspase 3/7 activity in all MPNST and LMS cell lines. Control normal human Schwann (HSC) and aortic smooth muscle (HASMC) cells displayed higher tolerance to verticillin A treatment compared to sarcoma cell lines, although toxicity was seen in HSC at the highest treatment dose. In vivo studies mirrored the in vitro results: by day 11, tumor size was significantly reduced in MPNST724 xenograft models with treatment of 0.25 and 0.5 mg/kg verticillin A. Additionally, IHC assessment of tumors demonstrated increased cleaved caspase 3 and decreased proliferation (Ki67) following treatment with verticillin A. Conclusion Advancement in the treatment of karyotypically complex STS is confounded by the high level of genetic abnormalities found in these diseases. Consequently, the identification and investigation of novel therapies is greatly needed. Our data suggest that verticillin A selectively inhibits MPNST and LMS growth via induction of apoptosis while exhibiting minimal to moderate effects on normal cells, pointing to verticillin A as a potential treatment for MPNST and LMS, after additional preclinical validation.
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Affiliation(s)
- A Zewdu
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - G Lopez
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - D Braggio
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - C Kenny
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - D Constantino
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - H K Bid
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; Resonant Therapeutics, Inc., Ann Arbor, Michigan, USA
| | - K Batte
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - O H Iwenofu
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; Department of Pathology, Comprehensive Cancer Center, Ohio State University, Columbus, Ohio, USA
| | - N H Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina, USA
| | - C J Pearce
- Mycosynthetix, Inc., Hillsborough, North Carolina, USA
| | - A M Strohecker
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; Department of Cancer Biology and Genetics, Ohio State University, Columbus, Ohio, USA
| | - D Lev
- Surgery B, Sheba Medical Center, Tel Aviv, Israel
| | - R E Pollock
- Department of Surgical Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA; The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
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Li Y, Seto E. HDACs and HDAC Inhibitors in Cancer Development and Therapy. Cold Spring Harb Perspect Med 2016; 6:cshperspect.a026831. [PMID: 27599530 DOI: 10.1101/cshperspect.a026831] [Citation(s) in RCA: 733] [Impact Index Per Article: 91.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Over the last several decades, it has become clear that epigenetic abnormalities may be one of the hallmarks of cancer. Posttranslational modifications of histones, for example, may play a crucial role in cancer development and progression by modulating gene transcription, chromatin remodeling, and nuclear architecture. Histone acetylation, a well-studied posttranslational histone modification, is controlled by the opposing activities of histone acetyltransferases (HATs) and histone deacetylases (HDACs). By removing acetyl groups, HDACs reverse chromatin acetylation and alter transcription of oncogenes and tumor suppressor genes. In addition, HDACs deacetylate numerous nonhistone cellular substrates that govern a wide array of biological processes including cancer initiation and progression. This review will discuss the role of HDACs in cancer and the therapeutic potential of HDAC inhibitors (HDACi) as emerging drugs in cancer treatment.
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Affiliation(s)
- Yixuan Li
- George Washington University Cancer Center, Department of Biochemistry and Molecular Medicine, George Washington University, Washington, DC 20037
| | - Edward Seto
- George Washington University Cancer Center, Department of Biochemistry and Molecular Medicine, George Washington University, Washington, DC 20037
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Targeting histone deacetylase 8 as a therapeutic approach to cancer and neurodegenerative diseases. Future Med Chem 2016; 8:1609-34. [PMID: 27572818 DOI: 10.4155/fmc-2016-0117] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Histone deacetylase 8 (HDAC8), a unique class I zinc-dependent HDAC, is an emerging target in cancer and other diseases. Its substrate repertoire extends beyond histones to many nonhistone proteins. Besides being a deacetylase, HDAC8 also mediates signaling via scaffolding functions. Aberrant expression or deregulated interactions with transcription factors are critical in HDAC8-dependent cancers. Many potent HDAC8-selective inhibitors with cellular activity and anticancer effects have been reported. We present HDAC8 as a druggable target and discuss inhibitors of different chemical scaffolds with cellular effects. Furthermore, we review HDAC8 activators that revert activity of mutant enzymes. Isotype-selective HDAC8 targeting in patients with HDAC8-relevant cancers is challenging, however, is promising to avoid adverse side effects as observed with pan-HDAC inhibitors.
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Dasgupta T, Antony J, Braithwaite AW, Horsfield JA. HDAC8 Inhibition Blocks SMC3 Deacetylation and Delays Cell Cycle Progression without Affecting Cohesin-dependent Transcription in MCF7 Cancer Cells. J Biol Chem 2016; 291:12761-12770. [PMID: 27072133 PMCID: PMC4933439 DOI: 10.1074/jbc.m115.704627] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 04/11/2016] [Indexed: 12/19/2022] Open
Abstract
Cohesin, a multi-subunit protein complex involved in chromosome organization, is frequently mutated or aberrantly expressed in cancer. Multiple functions of cohesin, including cell division and gene expression, highlight its potential as a novel therapeutic target. The SMC3 subunit of cohesin is acetylated (ac) during S phase to establish cohesion between replicated chromosomes. Following anaphase, ac-SMC3 is deacetylated by HDAC8. Reversal of SMC3 acetylation is imperative for recycling cohesin so that it can be reloaded in interphase for both non-mitotic and mitotic functions. We blocked deacetylation of ac-SMC3 using an HDAC8-specific inhibitor PCI-34051 in MCF7 breast cancer cells, and examined the effects on transcription of cohesin-dependent genes that respond to estrogen. HDAC8 inhibition led to accumulation of ac-SMC3 as expected, but surprisingly, had no influence on the transcription of estrogen-responsive genes that are altered by siRNA targeting of RAD21 or SMC3. Knockdown of RAD21 altered estrogen receptor α (ER) recruitment at SOX4 and IL20, and affected transcription of these genes, while HDAC8 inhibition did not. Rather, inhibition of HDAC8 delayed cell cycle progression, suppressed proliferation and induced apoptosis in a concentration-dependent manner. We conclude that HDAC8 inhibition does not change the estrogen-specific transcriptional role of cohesin in MCF7 cells, but instead, compromises cell cycle progression and cell survival. Our results argue that candidate inhibitors of cohesin function may differ in their effects depending on the cellular genotype and should be thoroughly tested for predicted effects on cohesin's mechanistic roles.
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Affiliation(s)
- Tanushree Dasgupta
- From the Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9016, and
| | - Jisha Antony
- From the Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9016, and
| | - Antony W Braithwaite
- From the Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9016, and; Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland 1010, New Zealand
| | - Julia A Horsfield
- From the Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9016, and; Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland 1010, New Zealand.
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Loss of H3K27 tri-methylation is a diagnostic marker for malignant peripheral nerve sheath tumors and an indicator for an inferior survival. Mod Pathol 2016; 29:582-90. [PMID: 26990975 PMCID: PMC4948583 DOI: 10.1038/modpathol.2016.45] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/21/2016] [Accepted: 01/22/2016] [Indexed: 02/08/2023]
Abstract
Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive sarcomas that can show overlapping features with benign neurofibromas as well as high-grade sarcomas. Additional diagnostic markers are needed to aid in this often challenging differential diagnosis. Recently mutations in two critical components of the polycomb repressor 2 (PRC2) complex, SUZ12 and EED, were reported to occur specifically in MPNSTs while such mutations are absent in neurofibromas, both in the setting of neurofibromatosis (NF) and sporadic cases. Furthermore, both SUZ12 and EED mutations in MPNSTs were associated with loss of H3K27 tri-methylation, a downstream target of PRC2. Therefore, we tested whether H3K27me3 immunohistochemistry is useful as a diagnostic and prognostic marker for MPNSTs. We performed H3K27me3 immunohistochemistry in 162 primary MPNSTs, 97 neurofibromas and 341 other tumors using tissue microarray. We observed loss of H3K27me3 in 34% (55/162) of all MPNSTs while expression was retained in all neurofibromas including atypical (n=8) and plexiform subtypes (n=24). Within other tumors we detected loss of H3K27me3 in only 7% (24/341). Surprisingly, 60% (9/15) of synovial sarcomas and 38% (3/8) of fibrosarcomatous dermatofibrosarcoma protuberans (DFSP) showed loss of H3K27 trimethylation. Only 1 out of 44 schwannomas showed loss of H3K27me3 and all 4 perineuriomas showed intact H3K27me3. Furthermore, MPNSTs with loss of H3K27 tri-methylation showed inferior survival compared with MPNSTs with intact H3K27 tri-methylation, which was validated in two independent cohorts. Our results indicate that H3K27me3 immunohistochemistry is useful as a diagnostic marker, in which loss of H3K27me3 favors MPNST above neurofibroma. However, H3K27me3 immunohistochemistry is not suitable to distinguish MPNST from its morphological mimicker synovial sarcoma or fibrosarcomatous DFSP. Since loss of H3K27 tri-methylation was related to poorer survival in MPNST, chromatin modification mediated by this specific histone seems to orchestrate more aggressive tumour biology.
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Rueda-Arenas E, Pinilla-Orejarena A, García-Corzo JR, Lozano-Ortiz D. [Retroperitoneal malignant peripheral nerve sheath tumor a preschool child]. BOLETIN MEDICO DEL HOSPITAL INFANTIL DE MEXICO 2016; 73:188-195. [PMID: 29421206 DOI: 10.1016/j.bmhimx.2016.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 02/02/2016] [Accepted: 02/02/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Malignant tumors of peripheral nerve sheath (MPNSTs for its acronym in English) are aggressive sarcomas that occur generally in adulthood and are located mainly on the trunk and lower limbs, with a high association with neurofibromatosis type 1 (NF1). CASE REPORT A 34-months-old female infant without NF1 with a palpable abdominal mass is described. The mass corresponded to a retroperitoneal MPNST. The diagnostic approach and management are presented, highlighting the complications and sequelae that occurred during evolution. CONCLUSIONS MPNSTs are important despite their low incidence because of their aggressiveness, and should be considered upon the detection of a mass located at paravertebral level or limbs, especially in patients with NF1. The cornerstone of the treatment lies in a complete surgical resection due to the high rate of recurrence, with limited therapeutic response to radiotherapy and chemotherapy. This case presents the clinical manifestations and complications that can be expected with these tumors and their harmful behaviour. The absence of NF1 does not exclude the diagnosis.
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Affiliation(s)
- Ernesto Rueda-Arenas
- Universidad Industrial de Santander, Hospital Universitario de Santander, Bucaramanga, Colombia
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Hsieh CL, Ma HP, Su CM, Chang YJ, Hung WY, Ho YS, Huang WJ, Lin RK. Alterations in histone deacetylase 8 lead to cell migration and poor prognosis in breast cancer. Life Sci 2016; 151:7-14. [DOI: 10.1016/j.lfs.2016.02.092] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 02/16/2016] [Accepted: 02/25/2016] [Indexed: 10/22/2022]
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Cabezas-Cruz A, Alberdi P, Ayllón N, Valdés JJ, Pierce R, Villar M, de la Fuente J. Anaplasma phagocytophilum increases the levels of histone modifying enzymes to inhibit cell apoptosis and facilitate pathogen infection in the tick vector Ixodes scapularis. Epigenetics 2016; 11:303-19. [PMID: 27019326 DOI: 10.1080/15592294.2016.1163460] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Epigenetic mechanisms have not been characterized in ticks despite their importance as vectors of human and animal diseases worldwide. The objective of this study was to characterize the histones and histone modifying enzymes (HMEs) of the tick vector Ixodes scapularis and their role during Anaplasma phagocytophilum infection. We first identified 5 histones and 34 HMEs in I. scapularis in comparison with similar proteins in model organisms. Then, we used transcriptomic and proteomic data to analyze the mRNA and protein levels of I. scapularis histones and HMEs in response to A. phagocytophilum infection of tick tissues and cultured cells. Finally, selected HMEs were functionally characterized by pharmacological studies in cultured tick cells. The results suggest that A. phagocytophilum manipulates tick cell epigenetics to increase I. scapularis p300/CBP, histone deacetylase, and Sirtuin levels, resulting in an inhibition of cell apoptosis that in turn facilitates pathogen infection and multiplication. These results also suggest that a compensatory mechanism might exist by which A. phagocytophilum manipulates tick HMEs to regulate transcription and apoptosis in a tissue-specific manner to facilitate infection, but preserving tick fitness to guarantee survival of both pathogens and ticks. Our study also indicates that the pathogen manipulates arthropod and vertebrate cell epigenetics in similar ways to inhibit the host response to infection. Epigenetic regulation of tick biological processes is an essential element of the infection by A. phagocytophilum and the study of the mechanisms and principal actors involved is likely to provide clues for the development of anti-tick drugs and vaccines.
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Affiliation(s)
- Alejandro Cabezas-Cruz
- a University Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center d'Infection et d'Immunité de Lille , Lille , France
| | - Pilar Alberdi
- b SaBio. Instituto de Investigación de Recursos Cinegéticos, IREC-CSIC-UCLM-JCCM , Ciudad Real , Spain
| | - Nieves Ayllón
- b SaBio. Instituto de Investigación de Recursos Cinegéticos, IREC-CSIC-UCLM-JCCM , Ciudad Real , Spain
| | - James J Valdés
- c Institute of Parasitology, Biology Center of the Academy of Sciences of the Czech Republic , Branisovska 31, Budweis, České Budějovice , Czech Republic.,d Department of Virology , Veterinary Research Institute , Hudcova 70, Brno , Czech Republic
| | - Raymond Pierce
- a University Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 8204 - CIIL - Center d'Infection et d'Immunité de Lille , Lille , France
| | - Margarita Villar
- b SaBio. Instituto de Investigación de Recursos Cinegéticos, IREC-CSIC-UCLM-JCCM , Ciudad Real , Spain
| | - José de la Fuente
- b SaBio. Instituto de Investigación de Recursos Cinegéticos, IREC-CSIC-UCLM-JCCM , Ciudad Real , Spain.,e Department of Veterinary Pathobiology , Center for Veterinary Health Sciences, Oklahoma State University , Stillwater , OK , USA
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