1
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Yang HM, Lee C, Min J, Ha N, Bae D, Nam G, Park HJ. Development of a tetrahydroindazolone-based HDAC6 inhibitor with in-vivo anti-arthritic activity. Bioorg Med Chem 2024; 99:117587. [PMID: 38237257 DOI: 10.1016/j.bmc.2024.117587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/06/2024]
Abstract
Histone deacetylase 6 (HDAC6) induces the expression of pro-inflammatory cytokines in macrophages; therefore, HDAC inhibitors may be beneficial for the treatment of macrophage-associated immune disorders and chronic inflammatory diseases, including atherosclerosis and rheumatoid arthritis. Structure-activity relationship studies were conducted on various phenyl hydroxamate HDAC6 inhibitors with indolone/indazolone-based bi- or tricyclic ring moieties as the cap group aiming to develop novel anti-arthritic drug candidates. Several compounds exhibited nanomolar activity and HDAC6 selectivity greater than 500-fold over HDAC1. Compound 21, a derivative with the tetrahydroindazolone cap group, is a potent HDAC6 inhibitor with an IC50 of 18 nM and 217-fold selectivity over HDAC1 and showed favorable oral bioavailability in animals. Compound 21 increases the acetylation level of tubulin without affecting histone acetylation in cutaneous T-cell lymphoma cells and inhibits TNF-α secretion in LPS-stimulated macrophage cells. The anti-arthritic effects of compound 21 were evaluated using a rat adjuvant-induced arthritis (AIA) model. Treatment with compound 21 significantly reduced the arthritis score, and combination treatment with methotrexate showed a synergistic effect in AIA models. We identified a novel HDAC6 inhibitor, compound 21, with excellent in vivo anti-arthritic efficacy, which can lead to the development of oral anti-arthritic drugs.
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Affiliation(s)
- Hyun-Mo Yang
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, South Korea; Chong Kun Dang Research Institute, CKD Pharmaceuticals, Gyeonggi-do 16995, South Korea
| | - Changsik Lee
- Chong Kun Dang Research Institute, CKD Pharmaceuticals, Gyeonggi-do 16995, South Korea
| | - Jaeki Min
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, South Korea; Chong Kun Dang Research Institute, CKD Pharmaceuticals, Gyeonggi-do 16995, South Korea
| | - Nina Ha
- Chong Kun Dang Research Institute, CKD Pharmaceuticals, Gyeonggi-do 16995, South Korea
| | - Daekwon Bae
- Chong Kun Dang Research Institute, CKD Pharmaceuticals, Gyeonggi-do 16995, South Korea
| | - Gibeom Nam
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, South Korea
| | - Hyun-Ju Park
- School of Pharmacy, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, South Korea.
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2
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Vijaykrishnaraj M, Patil P, Ghate SD, Bhandary AK, Haridas VM, Shetty P. Efficacy of HDAC inhibitors and epigenetic modulation in the amelioration of synovial inflammation, cellular invasion, and bone erosion in rheumatoid arthritis pathogenesis. Int Immunopharmacol 2023; 122:110644. [PMID: 37454631 DOI: 10.1016/j.intimp.2023.110644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
Rheumatoid arthritis (RA), an auto-immune disorder affected 1 % of the population around the globe. The pathophysiology of RA is highly concerted process including synovial hyperplasia, pannus formation, bone erosion, synovial cell infiltration in joints, and cartilage destruction. However, recent reports suggest that epigenetics play a pivotal role in the formation and organization of immune response in RA. Particularly, altered DNA methylation and impaired microRNA (miRNA) were detected in several immune cells of RA patients, such as T regulatory cells, fibroblast-like synoviocytes, and blood mononuclear cells. All these processes can be reversed by regulating the ubiquitous or tissue-based expression of histone deacetylases (HDACs) to counteract and terminate them. Hence, HDAC inhibitors (HDACi) could serve as highly potent anti-inflammatory regulators in the uniform amelioration of inflammation. Therefore, this review encompasses the information mainly focussing on the epigenetic modulation in RA pathogenesis and the efficacy of HDACi as an alternative therapeutic option for RA treatment. Overall, these studies have reported the targeting of HDAC1, 2 & 6 molecules would attenuate synoviocyte inflammation, cellular invasion, and bone erosion. Further, the inhibitors such as trichostatin A, suberoyl bis-hydroxamic acid, suberoyl anilide hydroxamic acid, and other compounds are found to attenuate synovial inflammatory immune response, clinical arthritis score, paw swelling, bone erosion, and cartilage destruction. Insight to view this, more clinical studies are required to determine the efficacy of HDACi in RA treatment and to unravel the underlying molecular mechanisms.
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Affiliation(s)
- M Vijaykrishnaraj
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Prakash Patil
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Sudeep D Ghate
- Center for Bioinformatics, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Adithi K Bhandary
- Department of General Medicine, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India
| | - Vikram M Haridas
- Arthritis Super Speciality Centre, Hubli 580020, Karnataka, India
| | - Praveenkumar Shetty
- Central Research Laboratory, K.S. Hegde Medical Academy, NITTE (Deemed to be University), Deralakatte, Mangaluru 575018, India.
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3
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Ashry R, Mustafa AHM, Hausmann K, Linnebacher M, Strand S, Sippl W, Wirth M, Krämer OH. NOXA Accentuates Apoptosis Induction by a Novel Histone Deacetylase Inhibitor. Cancers (Basel) 2023; 15:3650. [PMID: 37509312 PMCID: PMC10377841 DOI: 10.3390/cancers15143650] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/17/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Epigenetic modifiers of the histone deacetylase (HDAC) family are often dysregulated in cancer cells. Experiments with small molecule HDAC inhibitors (HDACi) have proven that HDACs are a vulnerability of transformed cells. We evaluated a novel hydroxamic acid-based HDACi (KH16; termed yanostat) in human pancreatic ductal adenocarcinoma (PDAC) cells, short- and long-term cultured colorectal cancer (CRC) cells, and retinal pigment epithelial cells. We show that KH16 induces cell cycle arrest and apoptosis, both time and dose dependently in PDAC and CRC cells. This is associated with altered expression of BCL2 family members controlling intrinsic apoptosis. Recent data illustrate that PDAC cells frequently have an altered expression of the pro-apoptotic BH3-only protein NOXA and that HDACi induce an accumulation of NOXA. Using PDAC cells with a deletion of NOXA by CRISPR-Cas9, we found that a lack of NOXA delayed apoptosis induction by KH16. These results suggest that KH16 is a new chemotype of hydroxamic acid HDACi with superior activity against solid tumor-derived cells. Thus, KH16 is a scaffold for future research on compounds with nanomolar activity against HDACs.
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Affiliation(s)
- Ramy Ashry
- Institute of Toxicology, University Medical Centre Mainz, 55131 Mainz, Germany
- Department of Oral Pathology, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
| | - Al-Hassan M Mustafa
- Institute of Toxicology, University Medical Centre Mainz, 55131 Mainz, Germany
- Department of Zoology, Faculty of Science, Aswan University, Aswan 81528, Egypt
| | - Kristin Hausmann
- Department of Medicinal Chemistry, Institute of Pharmacy, Martin-Luther-University of Halle-Wittenberg, 06120 Halle (Saale), Germany
| | - Michael Linnebacher
- Clinic of General Surgery, Molecular Oncology and Immunotherapy, Rostock University Medical Center, 18057 Rostock, Germany
| | - Susanne Strand
- Department of Internal Medicine I, Molecular Hepatology, University Medical Center of the Johannes Gutenberg-University Mainz, 55131 Mainz, Germany
| | - Wolfgang Sippl
- Department of Medicinal Chemistry, Institute of Pharmacy, Martin-Luther-University of Halle-Wittenberg, 06120 Halle (Saale), Germany
| | - Matthias Wirth
- Department of Hematology, Oncology and Cancer Immunology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, 37075 Göttingen, Germany
- German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - Oliver H Krämer
- Institute of Toxicology, University Medical Centre Mainz, 55131 Mainz, Germany
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4
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Nazri JM, Oikonomopoulou K, de Araujo ED, Kraskouskaya D, Gunning PT, Chandran V. Histone deacetylase inhibitors as a potential new treatment for psoriatic disease and other inflammatory conditions. Crit Rev Clin Lab Sci 2023; 60:300-320. [PMID: 36846924 DOI: 10.1080/10408363.2023.2177251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Collectively known as psoriatic disease, psoriasis and psoriatic arthritis (PsA) are immune-mediated inflammatory diseases in which patients present with cutaneous and musculoskeletal inflammation. Affecting roughly 2-3% of the world's total population, there remains unmet therapeutic needs in both psoriasis and PsA despite the availability of current immunomodulatory treatments. As a result, patients with psoriatic disease often experience reduced quality of life. Recently, a class of small molecules, commonly investigated as anti-cancer agents, called histone deacetylase (HDAC) inhibitors, have been proposed as a new promising anti-inflammatory treatment for immune- and inflammatory-related diseases. In inflammatory diseases, current evidence is derived from studies on diseases like rheumatoid arthritis (RA) and systematic lupus erythematosus (SLE), and while there are some reports studying psoriasis, data on PsA patients are not yet available. In this review, we provide a brief overview of psoriatic disease, psoriasis, and PsA, as well as HDACs, and discuss the rationale behind the potential use of HDAC inhibitors in the management of persistent inflammation to suggest its possible use in psoriatic disease.
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Affiliation(s)
- Jehan Mohammad Nazri
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | | | - Elvin D de Araujo
- Department of Chemical and Physical Sciences, University of Toronto, Mississauga, Canada
| | - Dziyana Kraskouskaya
- Department of Chemical and Physical Sciences, University of Toronto, Mississauga, Canada
| | - Patrick T Gunning
- Department of Chemical and Physical Sciences, University of Toronto, Mississauga, Canada.,Department of Chemistry, University of Toronto, Toronto, Canada
| | - Vinod Chandran
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Schroeder Arthritis Institute, University Health Network, Toronto, Canada.,Department of Medicine, University of Toronto, Toronto, Canada.,Institute of Medical Science, University of Toronto, Toronto, Canada.,Department of Medicine, Memorial University, St. John's, Canada
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5
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Kong SJ, Nam G, Boggu PR, Park GM, Kang JE, Park HJ, Jung YH. Synthesis and biological evaluation of novel N-benzyltriazolyl-hydroxamate derivatives as selective histone deacetylase 6 inhibitors. Bioorg Med Chem 2023; 79:117154. [PMID: 36645952 DOI: 10.1016/j.bmc.2023.117154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 01/12/2023]
Abstract
Histone deacetylases (HDAC) regulate post-translational acetylation and the inhibition of these enzymes has emerged as an intriguing disease therapeutic. Among them, class IIb HDAC6 has the unique characteristic of mainly deacetylating cytoplasmic proteins, suggesting clinical applications for neurodegenerative diseases, inflammation, and cancer. In this study, we designed a novel N-benzyltriazolyl-hydroxamate scaffold based on the known HDAC6 inhibitors nexturastat A and tubastatin A. Among the 27 derivatives, 3-fluoro-4-((3-(2-fluorophenyl)-1H-1,2,4-triazol-1-yl)methyl)-N-hydroxybenzamide 4u (HDAC6 IC50 = 7.08 nM) showed nanomolar HDAC6 inhibitory activity with 42-fold selectivity over HDAC1. Structure-activity relationship (SAR) and computational docking studies were conducted to optimize the triazole capping group. Docking analysis revealed that the capping group aligned with the conserved L1 pocket of HDAC6 and was associated with subtype selectivity. Overall, our study explored the triazole-based biaryl capping group and its substitution and orientation, suggesting a rationale for the design of HDAC6-selective inhibitors.
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Affiliation(s)
- Sun Ju Kong
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gibeom Nam
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Pulla Reddy Boggu
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gi Min Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji Eun Kang
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyun-Ju Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Young Hoon Jung
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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6
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Pons M, Conradi R, Brenner W, Krämer OH. Human Platelet Lysate as Valid Cell Growth Additive to Assess Protein Acetylation. Methods Mol Biol 2023; 2589:87-94. [PMID: 36255619 DOI: 10.1007/978-1-0716-2788-4_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Experiments with cell cultures are an alternative to animal experiments. One problem, however, is the ethically questionable use of fetal calf serum (FCS, which some authors refer to as fetal bovine serum, FBS). Furthermore, FCS is an undefined variable mixture and a possible source of contaminations. We reported that lysine acetylation was very similar in cells in growth media containing FCS or human platelet lysate (hPL). Here, we explain in detail how to generate and use hPL as a cost-effective substitute for FCS in experiments with mammalian cell cultures. A large panel of cells and conditions can be cultured and tested in media with hPL.
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Affiliation(s)
- Miriam Pons
- Institute of Toxicology, University Medical Center Mainz, Mainz, Germany
| | - Roland Conradi
- Transfusion Center, University Medical Center, Mainz, Germany
| | - Walburgis Brenner
- Department of Obstetrics and Gynecology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Oliver H Krämer
- Institute of Toxicology, University Medical Center Mainz, Mainz, Germany.
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7
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Mustafa AHM, Krämer OH. Pharmacological Modulation of the Crosstalk between Aberrant Janus Kinase Signaling and Epigenetic Modifiers of the Histone Deacetylase Family to Treat Cancer. Pharmacol Rev 2023; 75:35-61. [PMID: 36752816 DOI: 10.1124/pharmrev.122.000612] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/08/2022] [Accepted: 08/15/2022] [Indexed: 12/13/2022] Open
Abstract
Hyperactivated Janus kinase (JAK) signaling is an appreciated drug target in human cancers. Numerous mutant JAK molecules as well as inherent and acquired drug resistance mechanisms limit the efficacy of JAK inhibitors (JAKi). There is accumulating evidence that epigenetic mechanisms control JAK-dependent signaling cascades. Like JAKs, epigenetic modifiers of the histone deacetylase (HDAC) family regulate the growth and development of cells and are often dysregulated in cancer cells. The notion that inhibitors of histone deacetylases (HDACi) abrogate oncogenic JAK-dependent signaling cascades illustrates an intricate crosstalk between JAKs and HDACs. Here, we summarize how structurally divergent, broad-acting as well as isoenzyme-specific HDACi, hybrid fusion pharmacophores containing JAKi and HDACi, and proteolysis targeting chimeras for JAKs inactivate the four JAK proteins JAK1, JAK2, JAK3, and tyrosine kinase-2. These agents suppress aberrant JAK activity through specific transcription-dependent processes and mechanisms that alter the phosphorylation and stability of JAKs. Pharmacological inhibition of HDACs abrogates allosteric activation of JAKs, overcomes limitations of ATP-competitive type 1 and type 2 JAKi, and interacts favorably with JAKi. Since such findings were collected in cultured cells, experimental animals, and cancer patients, we condense preclinical and translational relevance. We also discuss how future research on acetylation-dependent mechanisms that regulate JAKs might allow the rational design of improved treatments for cancer patients. SIGNIFICANCE STATEMENT: Reversible lysine-ɛ-N acetylation and deacetylation cycles control phosphorylation-dependent Janus kinase-signal transducer and activator of transcription signaling. The intricate crosstalk between these fundamental molecular mechanisms provides opportunities for pharmacological intervention strategies with modern small molecule inhibitors. This could help patients suffering from cancer.
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Affiliation(s)
- Al-Hassan M Mustafa
- Department of Toxicology, University Medical Center, Mainz, Germany (A.-H.M.M., O.H.K.) and Department of Zoology, Faculty of Science, Aswan University, Aswan, Egypt (A.-H.M.M.)
| | - Oliver H Krämer
- Department of Toxicology, University Medical Center, Mainz, Germany (A.-H.M.M., O.H.K.) and Department of Zoology, Faculty of Science, Aswan University, Aswan, Egypt (A.-H.M.M.)
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8
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Piskor EM, Winkler R, Kosan C. Analyzing Lymphoma Development and Progression Using HDACi in Mouse Models. Methods Mol Biol 2023; 2589:3-15. [PMID: 36255614 DOI: 10.1007/978-1-0716-2788-4_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Besides the physiological role of histone deacetalylases in maintaining normal cellular integrity, the acetylation landscape is changed in cancer cells, which has been implicated as a potential target in cancer therapy. The overexpression of certain HDACs correlates with specific cancer types. Therefore, the development of specific HDAC inhibitors may extend the therapeutic strategy for cancer therapy. Here, we describe how to investigate the therapeutic potential of specific HDACi by treatment in a mouse model for B-cell lymphoma, exemplified by the HDAC6 inhibitor Marbostat-100.
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Affiliation(s)
- Eva-Maria Piskor
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany
| | - René Winkler
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany
- Josep Carreras Leukaemia Research Institute (IJC), Badalona, Spain
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, Germany.
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9
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Reßing N, Schliehe-Diecks J, Watson PR, Sönnichsen M, Cragin AD, Schöler A, Yang J, Schäker-Hübner L, Borkhardt A, Christianson DW, Bhatia S, Hansen FK. Development of Fluorinated Peptoid-Based Histone Deacetylase (HDAC) Inhibitors for Therapy-Resistant Acute Leukemia. J Med Chem 2022; 65:15457-15472. [PMID: 36351184 PMCID: PMC9691607 DOI: 10.1021/acs.jmedchem.2c01418] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Using a microwave-assisted protocol, we synthesized 16 peptoid-capped HDAC inhibitors (HDACi) with fluorinated linkers and identified two hit compounds. In biochemical and cellular assays, 10h stood out as a potent unselective HDACi with remarkable cytotoxic potential against different therapy-resistant leukemia cell lines. 10h demonstrated prominent antileukemic activity with low cytotoxic activity toward healthy cells. Moreover, 10h exhibited synergistic interactions with the DNA methyltransferase inhibitor decitabine in AML cell lines. The comparison of crystal structures of HDAC6 complexes with 10h and its nonfluorinated counterpart revealed a similar occupation of the L1 loop pocket but slight differences in zinc coordination. The substitution pattern of the acyl residue turned out to be crucial in terms of isoform selectivity. The introduction of an isopropyl group onto the phenyl ring provided the highly HDAC6-selective inhibitor 10p, which demonstrated moderate synergy with decitabine and exceeded the HDAC6 selectivity of tubastatin A.
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Affiliation(s)
- Nina Reßing
- Pharmaceutical Institute, Pharmaceutical and Cell Biological Chemistry, University of Bonn, An der Immenburg 4, 53121Bonn, Germany
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103Leipzig, Germany
| | - Julian Schliehe-Diecks
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstrasse 5, 40225Düsseldorf, Germany
| | - Paris R Watson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania19104-6323, United States
| | - Melf Sönnichsen
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstrasse 5, 40225Düsseldorf, Germany
| | - Abigail D Cragin
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania19104-6323, United States
| | - Andrea Schöler
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103Leipzig, Germany
| | - Jing Yang
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstrasse 5, 40225Düsseldorf, Germany
- Department of Medicine, Yangzhou Polytechnic College, West Wenchang Road 458, Yangzhou225009, P. R. China
| | - Linda Schäker-Hübner
- Pharmaceutical Institute, Pharmaceutical and Cell Biological Chemistry, University of Bonn, An der Immenburg 4, 53121Bonn, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstrasse 5, 40225Düsseldorf, Germany
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania19104-6323, United States
| | - Sanil Bhatia
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstrasse 5, 40225Düsseldorf, Germany
| | - Finn K Hansen
- Pharmaceutical Institute, Pharmaceutical and Cell Biological Chemistry, University of Bonn, An der Immenburg 4, 53121Bonn, Germany
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10
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Winkler R, Mägdefrau AS, Piskor EM, Kleemann M, Beyer M, Linke K, Hansen L, Schaffer AM, Hoffmann ME, Poepsel S, Heyd F, Beli P, Möröy T, Mahboobi S, Krämer OH, Kosan C. Targeting the MYC interaction network in B-cell lymphoma via histone deacetylase 6 inhibition. Oncogene 2022; 41:4560-4572. [PMID: 36068335 PMCID: PMC9525236 DOI: 10.1038/s41388-022-02450-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 08/22/2022] [Indexed: 11/09/2022]
Abstract
Overexpression of MYC is a genuine cancer driver in lymphomas and related to poor prognosis. However, therapeutic targeting of the transcription factor MYC remains challenging. Here, we show that inhibition of the histone deacetylase 6 (HDAC6) using the HDAC6 inhibitor Marbostat-100 (M-100) reduces oncogenic MYC levels and prevents lymphomagenesis in a mouse model of MYC-induced aggressive B-cell lymphoma. M-100 specifically alters protein-protein interactions by switching the acetylation state of HDAC6 substrates, such as tubulin. Tubulin facilitates nuclear import of MYC, and MYC-dependent B-cell lymphoma cells rely on continuous import of MYC due to its high turn-over. Acetylation of tubulin impairs this mechanism and enables proteasomal degradation of MYC. M-100 targets almost exclusively B-cell lymphoma cells with high levels of MYC whereas non-tumor cells are not affected. M-100 induces massive apoptosis in human and murine MYC-overexpressing B-cell lymphoma cells. We identified the heat-shock protein DNAJA3 as an interactor of tubulin in an acetylation-dependent manner and overexpression of DNAJA3 resulted in a pronounced degradation of MYC. We propose a mechanism by which DNAJA3 associates with hyperacetylated tubulin in the cytoplasm to control MYC turnover. Taken together, our data demonstrate a beneficial role of HDAC6 inhibition in MYC-dependent B-cell lymphoma.
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Affiliation(s)
- René Winkler
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany.,Josep Carreras Leukaemia Research Institute (IJC), Campus ICO-Germans Trias i Pujol, Badalona, 08916, Spain
| | - Ann-Sophie Mägdefrau
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Eva-Maria Piskor
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Markus Kleemann
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Mandy Beyer
- Institute of Toxicology, University Medical Center Mainz, Mainz, 55131, Germany
| | - Kevin Linke
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Lisa Hansen
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | - Anna-Maria Schaffer
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany
| | | | - Simon Poepsel
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital, University of Cologne, Cologne, 50931, Germany.,Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, Cologne, 50931, Germany
| | - Florian Heyd
- Laboratory of RNA Biochemistry, Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, 14195, Germany
| | - Petra Beli
- Institute of Molecular Biology (IMB), Mainz, 55128, Germany
| | - Tarik Möröy
- Institut de Recherches Cliniques de Montréal (IRCM), Montréal, QC, H2W 1R7, Canada
| | - Siavosh Mahboobi
- Department of Pharmaceutical/Medicinal Chemistry I, Institute of Pharmacy, University of Regensburg, Regensburg, 93040, Germany
| | - Oliver H Krämer
- Institute of Toxicology, University Medical Center Mainz, Mainz, 55131, Germany
| | - Christian Kosan
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Friedrich Schiller University Jena, Jena, 07745, Germany.
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11
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Design, synthesis, and biological evalution of bifunctional inhibitors against Hsp90-HDAC6 interplay. Eur J Med Chem 2022; 240:114582. [PMID: 35834905 DOI: 10.1016/j.ejmech.2022.114582] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 01/07/2023]
Abstract
HDAC6 and Hsp90, existing as a cytosolic complex play an important role in maintaining the protein homeostasis. The interplay of HDAC6 and Hsp90 has attracted wide attention due to their important role and promise as therapeutic targets in malignant cancers. Therefore, the discovery of dual inhibitors targeting HDAC6 and Hsp90 is of high importance. In the present study, we describe the design, synthesis, and biological evaluation of bifunctional inhibitors against HDAC6 and Hsp90 interplay. In particular, compound 6e shows a significant inhibitory activity against both HDAC6 and Hsp90 with IC50 values of 106 nM and 61 nM, respectively. Compound 6e promotes the acetylation of HDAC6 substrate proteins such as α-tubulin and Hsp90 via HDAC6 inhibition, and also induces the degradation of Hsp90 clients such as Her2, EGFR, Met, Akt, and HDAC6 via Hsp90 inhibition. Compound 6e consequently furnishes potent antiproliferative effect on gefitinib-resistant H1975 non-small cell lung cancer (NSCLC) with a GI50 value of 1.7 μM. In addition, compound 6e successfully achieved significant tumor growth inhibition in H1975 NSCLC xenograft model without noticeable abnormal behavior, body weight changes, and apparent ocular toxicity. We conclude that compound 6e constitutes an excellent tool as well as a valuable lead for assessment of Hsp90 and HDAC6 dual inhibition with a single molecule.
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12
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Zarinderakht N, Abbasi M, Nowrouzi N. Europhtal: An industrial cobalt phthalocyanine complex as the efficient catalyst for synthesis of thioamides by one‐pot reaction of mercaptans and amines. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Nasser Zarinderakht
- Department of Chemistry, Faculty of Sciences Persian Gulf University Bushehr Iran
| | - Mohammad Abbasi
- Department of Chemistry, Faculty of Sciences Persian Gulf University Bushehr Iran
| | - Najmeh Nowrouzi
- Department of Chemistry, Faculty of Sciences Persian Gulf University Bushehr Iran
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13
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Yang C, Li D, Teng D, Zhou Y, Zhang L, Zhong Z, Yang GJ. Epigenetic Regulation in the Pathogenesis of Rheumatoid Arthritis. Front Immunol 2022; 13:859400. [PMID: 35401513 PMCID: PMC8989414 DOI: 10.3389/fimmu.2022.859400] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/03/2022] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease. The etiology of RA remains undetermined and the pathogenesis is complex. There remains a paucity of ideal therapeutic drugs and treatment strategies. The epigenetic modifications affect and regulate the function and characteristics of genes through mechanisms, including DNA methylation, histone modification, chromosome remodeling, and RNAi, thereby exerting a significant impact on the living state of the body. Recently, the phenomenon of epigenetic modification in RA has garnered growing research interest. The application of epigenetically modified methods is the frontier field in the research of RA pathogenesis. This review highlights the research on the pathogenesis of RA based on epigenetic modification in the recent five years, thereby suggesting new methods and strategies for the diagnosis and treatment of RA.
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Affiliation(s)
- Chao Yang
- National Engineering Research Center for Marine Aquaculture, Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, China
| | - Dan Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dehong Teng
- National Engineering Research Center for Marine Aquaculture, Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, China
| | - Yueru Zhou
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, ON, Canada
| | - Lei Zhang
- Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, ON, Canada
| | - Zhangfeng Zhong
- Macau Centre for Research and Development in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao SAR, China
- *Correspondence: Zhangfeng Zhong, ; Guan-Jun Yang,
| | - Guan-Jun Yang
- Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, China
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo, China
- *Correspondence: Zhangfeng Zhong, ; Guan-Jun Yang,
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14
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Zeyen P, Zeyn Y, Herp D, Mahmoudi F, Yesiloglu TZ, Erdmann F, Schmidt M, Robaa D, Romier C, Ridinger J, Herbst-Gervasoni CJ, Christianson DW, Oehme I, Jung M, Krämer OH, Sippl W. Identification of histone deacetylase 10 (HDAC10) inhibitors that modulate autophagy in transformed cells. Eur J Med Chem 2022; 234:114272. [PMID: 35306288 PMCID: PMC9007901 DOI: 10.1016/j.ejmech.2022.114272] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 02/02/2023]
Abstract
Histone deacetylases (HDACs) are a family of 18 epigenetic modifiers that fall into 4 classes. Histone deacetylase inhibitors (HDACi) are valid tools to assess HDAC functions. HDAC6 and HDAC10 belong to the class IIb subgroup of the HDAC family. The targets and biological functions of HDAC10 are ill-defined. This lack of knowledge is due to a lack of specific and potent HDAC10 inhibitors with cellular activity. Here, we have synthesized and characterized piperidine-4-acrylhydroxamates as potent and highly selective inhibitors of HDAC10. This was achieved by targeting the acidic gatekeeper residue Glu274 of HDAC10 with a basic piperidine moiety that mimics the interaction of the polyamine substrate of HDAC10. We have confirmed the binding modes of selected inhibitors using X-ray crystallography. Promising candidates were selected based on their specificity by in vitro profiling using recombinant HDACs. The most promising HDAC10 inhibitors 10c and 13b were tested for specificity in acute myeloid leukemia (AML) cells with the FLT3-ITD oncogene. By immunoblot experiments we assessed the hyperacetylation of histones and tubulin-α, which are class I and HDAC6 substrates, respectively. As validated test for HDAC10 inhibition we used flow cytometry assessing autolysosome formation in neuroblastoma and AML cells. We demonstrate that 10c and 13b inhibit HDAC10 with high specificity over HDAC6 and with no significant impact on class I HDACs. The accumulation of autolysosomes is not a consequence of apoptosis and 10c and 13b are not toxic for normal human kidney cells. These data show that 10c and 13b are nanomolar inhibitors of HDAC10 with high specificity. Thus, our new HDAC10 inhibitors are tools to identify the downstream targets and functions of HDAC10 in cells.
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15
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Sharma R, Sharma S, Thakur A, Singh A, Singh J, Nepali K, Liou JP. The Role of Epigenetic Mechanisms in Autoimmune, Neurodegenerative, Cardiovascular, and Imprinting Disorders. Mini Rev Med Chem 2022; 22:1977-2011. [PMID: 35176978 DOI: 10.2174/1389557522666220217103441] [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: 09/10/2021] [Revised: 10/01/2021] [Accepted: 11/11/2021] [Indexed: 11/22/2022]
Abstract
Epigenetic mutations like aberrant DNA methylation, histone modifications, or RNA silencing are found in a number of human diseases. This review article discusses the epigenetic mechanisms involved in neurodegenerative disorders, cardiovascular disorders, auto-immune disorder, and genomic imprinting disorders. In addition, emerging epigenetic therapeutic strategies for the treatment of such disorders are presented. Medicinal chemistry campaigns highlighting the efforts of the chemists invested towards the rational design of small molecule inhibitors have also been included. Pleasingly, several classes of epigenetic inhibitors, DNMT, HDAC, BET, HAT, and HMT inhibitors along with RNA based therapies have exhibited the potential to emerge as therapeutics in the longer run. It is quite hopeful that epigenetic modulator-based therapies will advance to clinical stage investigations by leaps and bounds.
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Affiliation(s)
- Ram Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Sachin Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Amandeep Thakur
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Arshdeep Singh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jagjeet Singh
- School of Pharmacy, University of Queensland, Brisbane, QLD, Australia.,Department of Pharmacy, Rayat-Bahara Group of Institutes, Hoshiarpur, India
| | - Kunal Nepali
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jing Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
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16
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Nawar N, Bukhari S, Adile AA, Suk Y, Manaswiyoungkul P, Toutah K, Olaoye OO, Raouf YS, Sedighi A, Garcha HK, Hassan MM, Gwynne W, Israelian J, Radu TB, Geletu M, Abdeldayem A, Gawel JM, Cabral AD, Venugopal C, de Araujo ED, Singh SK, Gunning PT. Discovery of HDAC6-Selective Inhibitor NN-390 with in Vitro Efficacy in Group 3 Medulloblastoma. J Med Chem 2022; 65:3193-3217. [PMID: 35119267 DOI: 10.1021/acs.jmedchem.1c01585] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Histone deacetylase 6 (HDAC6) has been targeted in clinical studies for anticancer effects due to its role in oncogenic transformation and metastasis. Through a second-generation structure-activity relationship (SAR) study, the design, and biological evaluation of the selective HDAC6 inhibitor NN-390 is reported. With nanomolar HDAC6 potency, >200-550-fold selectivity for HDAC6 in analogous HDAC isoform functional assays, potent intracellular target engagement, and robust cellular efficacy in cancer cell lines, NN-390 is the first HDAC6-selective inhibitor to show therapeutic potential in metastatic Group 3 medulloblastoma (MB), an aggressive pediatric brain tumor often associated with leptomeningeal metastases and therapy resistance. MB stem cells contribute to these patients' poor clinical outcomes. NN-390 selectively targets this cell population with a 44.3-fold therapeutic margin between patient-derived Group 3 MB cells in comparison to healthy neural stem cells. NN-390 demonstrated a 45-fold increased potency over HDAC6-selective clinical candidate citarinostat. In summary, HDAC6-selective molecules demonstrated in vitro therapeutic potential against Group 3 MB.
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Affiliation(s)
- Nabanita Nawar
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Shazreh Bukhari
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Ashley A Adile
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Yujin Suk
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Pimyupa Manaswiyoungkul
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Krimo Toutah
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Olasunkanmi O Olaoye
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Yasir S Raouf
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Abootaleb Sedighi
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Harsimran Kaur Garcha
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Muhammad Murtaza Hassan
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - William Gwynne
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Johan Israelian
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Tudor B Radu
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Mulu Geletu
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Ayah Abdeldayem
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Justyna M Gawel
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Aaron D Cabral
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Chitra Venugopal
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada.,Department of Surgery, Faculty of Health Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Elvin D de Araujo
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Sheila K Singh
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada.,Department of Surgery, Faculty of Health Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Patrick T Gunning
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada.,Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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17
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A review of synthetic bioactive tetrahydro-β-carbolines: A medicinal chemistry perspective. Eur J Med Chem 2021; 225:113815. [PMID: 34479038 DOI: 10.1016/j.ejmech.2021.113815] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/22/2021] [Accepted: 08/29/2021] [Indexed: 12/21/2022]
Abstract
1, 2, 3, 4-Tetrahydro-β-carboline (THβC) scaffold is widespread in many natural products (NPs) and synthetic compounds which show a variety of pharmacological activities. In this article, we reviewed the design, structures and biological characteristics of reported synthetic THβC compounds, and structure and activity relationship (SAR) of them were also discussed. This work might provide a reference for subsequent drug development based on THβC.
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18
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Wachholz V, Mustafa AHM, Zeyn Y, Henninger SJ, Beyer M, Dzulko M, Piée-Staffa A, Brachetti C, Haehnel PS, Sellmer A, Mahboobi S, Kindler T, Brenner W, Nikolova T, Krämer OH. Inhibitors of class I HDACs and of FLT3 combine synergistically against leukemia cells with mutant FLT3. Arch Toxicol 2021; 96:177-193. [PMID: 34665271 PMCID: PMC8748367 DOI: 10.1007/s00204-021-03174-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022]
Abstract
Acute myeloid leukemia (AML) with mutations in the FMS-like tyrosine kinase (FLT3) is a clinically unresolved problem. AML cells frequently have a dysregulated expression and activity of epigenetic modulators of the histone deacetylase (HDAC) family. Therefore, we tested whether a combined inhibition of mutant FLT3 and class I HDACs is effective against AML cells. Low nanomolar doses of the FLT3 inhibitor (FLT3i) AC220 and an inhibition of class I HDACs with nanomolar concentrations of FK228 or micromolar doses of the HDAC3 specific agent RGFP966 synergistically induce apoptosis of AML cells that carry hyperactive FLT3 with an internal tandem duplication (FLT3-ITD). This does not occur in leukemic cells with wild-type FLT3 and without FLT3, suggesting a preferential toxicity of this combination against cells with mutant FLT3. Moreover, nanomolar doses of the new FLT3i marbotinib combine favorably with FK228 against leukemic cells with FLT3-ITD. The combinatorial treatments potentiated their suppressive effects on the tyrosine phosphorylation and stability of FLT3-ITD and its downstream signaling to the kinases ERK1/ERK2 and the inducible transcription factor STAT5. The beneficial pro-apoptotic effects of FLT3i and HDACi against leukemic cells with mutant FLT3 are associated with dose- and drug-dependent alterations of cell cycle distribution and DNA damage. This is linked to a modulation of the tumor-suppressive transcription factor p53 and its target cyclin-dependent kinase inhibitor p21. While HDACi induce p21, AC220 suppresses the expression of p53 and p21. Furthermore, we show that both FLT3-ITD and class I HDAC activity promote the expression of the checkpoint kinases CHK1 and WEE1, thymidylate synthase, and the DNA repair protein RAD51 in leukemic cells. A genetic depletion of HDAC3 attenuates the expression of such proteins. Thus, class I HDACs and hyperactive FLT3 appear to be valid targets in AML cells with mutant FLT3.
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Affiliation(s)
- Vanessa Wachholz
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Al-Hassan M Mustafa
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany.,Department of Zoology, Faculty of Science, Aswan University, Aswan, Egypt
| | - Yanira Zeyn
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Sven J Henninger
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Mandy Beyer
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Melanie Dzulko
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Andrea Piée-Staffa
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Christina Brachetti
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Patricia S Haehnel
- Department of Hematology, Medical Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany.,German Consortia for Translational Cancer Research, Mainz, Germany
| | - Andreas Sellmer
- Faculty of Chemistry and Pharmacy, Institute of Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Siavosh Mahboobi
- Faculty of Chemistry and Pharmacy, Institute of Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Thomas Kindler
- Department of Hematology, Medical Oncology and Pneumology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany.,German Consortia for Translational Cancer Research, Mainz, Germany
| | - Walburgis Brenner
- Clinic for Obstetrics and Women's Health, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Teodora Nikolova
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Oliver H Krämer
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany.
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19
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Kwon Y, Choi Y, Kim M, Jeong MS, Jung HS, Jeoung D. HDAC6 and CXCL13 Mediate Atopic Dermatitis by Regulating Cellular Interactions and Expression Levels of miR-9 and SIRT1. Front Pharmacol 2021; 12:691279. [PMID: 34588978 PMCID: PMC8473914 DOI: 10.3389/fphar.2021.691279] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/30/2021] [Indexed: 12/16/2022] Open
Abstract
Histone deacetylase 6 (HDAC6) has been known to regulate inflammatory diseases. The role of HDAC6 in allergic skin inflammation has not been studied. We studied the role of HDAC6 in atopic dermatitis (AD) and the mechanisms associated with it. The decreased expression or chemical inhibition of HDAC6 suppressed AD by decreasing autophagic flux and cellular features of AD. AD increased expression levels of the Th1 and Th2 cytokines, but decreased expression levels of forkhead box P3 (FoxP3) and interleukin-10 (IL-10) in an HDAC6-dependent manner. CXC chemokine ligand 13 (CXCL13), which was increased in an HDAC6-depenednt manner, mediated AD. MiR-9, negatively regulated by HDAC6, suppressed AD by directly regulating the expression of sirtuin 1 (SIRT1). The downregulation or inhibition of SIRT1 suppressed AD. Experiments employing culture medium and transwell suggested that cellular interactions involving mast cells, keratinocytes, and dermal fibroblast cells could promote AD; HDAC6 and CXCL13 were found to be necessary for these cellular interactions. Mouse recombinant CXCL13 protein increased HDAC6 expression in skin mast cells and dermal fibroblast cells. CXCL13 protein was found to be present in the exosomes of DNCB-treated skin mast cells. Exosomes of DNCB-treated skin mast cells enhanced invasion potentials of keratinocytes and dermal fibroblast cells and increased expression levels of HDAC6, SIRT1 and CXCL13 in keratinocytes and dermal fibroblast cells. These results indicate that HDAC6 and CXCL13 may serve as targets for the developing anti-atopic drugs.
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Affiliation(s)
- Yoojung Kwon
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea
| | - Yunji Choi
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea
| | - Misun Kim
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea
| | - Myeong Seon Jeong
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea.,Chuncheon Center, Korea Basic Science Institute, Chuncheon, Korea
| | - Hyun Suk Jung
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea
| | - Dooil Jeoung
- Department of Biochemistry, Kangwon National University, Chuncheon, Korea
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20
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Bonanni D, Citarella A, Moi D, Pinzi L, Bergamini E, Rastelli G. Dual Targeting Strategies On Histone Deacetylase 6 (HDAC6) And Heat Shock Protein 90 (Hsp90). Curr Med Chem 2021; 29:1474-1502. [PMID: 34477503 DOI: 10.2174/0929867328666210902145102] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 07/08/2021] [Accepted: 07/23/2021] [Indexed: 11/22/2022]
Abstract
The design of multi-target drugs acting simultaneously on multiple signaling pathways is a growing field in medicinal chemistry, especially for the treatment of complex diseases such as cancer. Histone deacetylase 6 (HDAC6) is an established anticancer drug target involved in tumor cells transformation. Being an epigenetic enzyme at the interplay of many biological processes, HDAC6 has become an attractive target for polypharmacology studies aimed at improving therapeutic efficacy of anticancer drugs. For example, the molecular chaperone Heat shock protein 90 (Hsp90) is a substrate of HDAC6 deacetylation, and several lines of evidence demonstrate that simultaneous inhibition of HDAC6 and Hsp90 promote synergistic antitumor effects on different cancer cell lines, highlighting the potential benefits of developing a single molecule endowed with multi-target activity. This review will summarize the complex interplay between HDAC6 and Hsp90, providing also useful hints for multi-target drug design and discovery approaches in this field. To this end, crystallographic structures of HDAC6 and Hsp90 complexes will be extensively reviewed in the light of discussing binding pockets features and pharmacophore requirements and providing useful guidelines for the design of dual inhibitors. The few examples of multi-target inhibitors obtained so far, mostly based on chimeric approaches, will be summarized and put into context. Finally, the main features of HDAC6 and Hsp90 inhibitors will be compared, and ligand- and structure-based strategies potentially useful for the development of small molecular weight dual inhibitors will be proposed and discussed.
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Affiliation(s)
- Davide Bonanni
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
| | - Andrea Citarella
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
| | - Davide Moi
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
| | - Luca Pinzi
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
| | - Elisa Bergamini
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
| | - Giulio Rastelli
- Department of Life Sciences, University of Modena and Reggio Emilia Via Campi 183, 41125 Modena, Italy
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21
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Toutah K, Nawar N, Timonen S, Sorger H, Raouf YS, Bukhari S, von Jan J, Ianevski A, Gawel JM, Olaoye OO, Geletu M, Abdeldayem A, Israelian J, Radu TB, Sedighi A, Bhatti MN, Hassan MM, Manaswiyoungkul P, Shouksmith AE, Neubauer HA, de Araujo ED, Aittokallio T, Krämer OH, Moriggl R, Mustjoki S, Herling M, Gunning PT. Development of HDAC Inhibitors Exhibiting Therapeutic Potential in T-Cell Prolymphocytic Leukemia. J Med Chem 2021; 64:8486-8509. [PMID: 34101461 PMCID: PMC8237267 DOI: 10.1021/acs.jmedchem.1c00420] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Indexed: 12/21/2022]
Abstract
Epigenetic targeting has emerged as an efficacious therapy for hematological cancers. The rare and incurable T-cell prolymphocytic leukemia (T-PLL) is known for its aggressive clinical course. Current epigenetic agents such as histone deacetylase (HDAC) inhibitors are increasingly used for targeted therapy. Through a structure-activity relationship (SAR) study, we developed an HDAC6 inhibitor KT-531, which exhibited higher potency in T-PLL compared to other hematological cancers. KT-531 displayed strong HDAC6 inhibitory potency and selectivity, on-target biological activity, and a safe therapeutic window in nontransformed cell lines. In primary T-PLL patient cells, where HDAC6 was found to be overexpressed, KT-531 exhibited strong biological responses, and safety in healthy donor samples. Notably, combination studies in T-PLL patient samples demonstrated KT-531 synergizes with approved cancer drugs, bendamustine, idasanutlin, and venetoclax. Our work suggests HDAC inhibition in T-PLL could afford sufficient therapeutic windows to achieve durable remission either as stand-alone or in combination with targeted drugs.
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Affiliation(s)
- Krimo Toutah
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Nabanita Nawar
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Sanna Timonen
- Hematology
Research Unit Helsinki, Helsinki University
Hospital Comprehensive Cancer Center, Helsinki, 00029 HUS, Finland
- Translational
Immunology Research Program and Department of Clinical Chemistry and
Hematology, University of Helsinki, Helsinki, 00014 Helsinki, Finland
- Institute
for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, 00014 Helsinki, Finland
| | - Helena Sorger
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine Vienna, A-1210 Vienna, Austria
| | - Yasir S. Raouf
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Shazreh Bukhari
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Jana von Jan
- Department
of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Duesseldorf
(CIO ABCD), University of Cologne (UoC), 50923 Cologne, Germany
- Excellence
Cluster for Cellular Stress Response and Aging-Associated Diseases
(CECAD), UoC, 50923 Cologne, Germany
- Center
for Molecular Medicine Cologne (CMMC), UoC, 50923 Cologne, Germany
| | - Aleksandr Ianevski
- Institute
for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, 00014 Helsinki, Finland
| | - Justyna M. Gawel
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Olasunkanmi O. Olaoye
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Mulu Geletu
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Ayah Abdeldayem
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Johan Israelian
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Tudor B. Radu
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Abootaleb Sedighi
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Muzaffar N. Bhatti
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Muhammad Murtaza Hassan
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Pimyupa Manaswiyoungkul
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Andrew E. Shouksmith
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Heidi A. Neubauer
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine Vienna, A-1210 Vienna, Austria
| | - Elvin D. de Araujo
- Centre
for Medicinal Chemistry, University of Toronto
Mississauga, 3359 Mississauga
Road, Mississauga, Ontario L5L 1C6, Canada
| | - Tero Aittokallio
- Institute
for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, 00014 Helsinki, Finland
- Department
of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
- Oslo Centre
for Biostatistics and Epidemiology, University
of Oslo, 0316 Oslo, Norway
| | - Oliver H. Krämer
- Department
of Toxicology, University Medical Center, 55131 Mainz, Germany
| | - Richard Moriggl
- Institute
of Animal Breeding and Genetics, University
of Veterinary Medicine Vienna, A-1210 Vienna, Austria
| | - Satu Mustjoki
- Hematology
Research Unit Helsinki, Helsinki University
Hospital Comprehensive Cancer Center, Helsinki, 00029 HUS, Finland
- Translational
Immunology Research Program and Department of Clinical Chemistry and
Hematology, University of Helsinki, Helsinki, 00014 Helsinki, Finland
- iCAN Digital Precision Cancer Medicine
Flagship, 00014 Helsinki, Finland
| | - Marco Herling
- Department
of Internal Medicine, Center for Integrated Oncology Aachen-Bonn-Cologne-Duesseldorf
(CIO ABCD), University of Cologne (UoC), 50923 Cologne, Germany
- Excellence
Cluster for Cellular Stress Response and Aging-Associated Diseases
(CECAD), UoC, 50923 Cologne, Germany
- Center
for Molecular Medicine Cologne (CMMC), UoC, 50923 Cologne, Germany
| | - Patrick T. Gunning
- Department
of Chemical and Physical Sciences, University
of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
- Centre
for Medicinal Chemistry, University of Toronto
Mississauga, 3359 Mississauga
Road, Mississauga, Ontario L5L 1C6, Canada
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22
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Zhang H, Zhang RH, Liao XM, Yang D, Wang YC, Zhao YL, Xu GB, Liu CH, Li YJ, Liao SG, Zhou M. Discovery of β-Carboline Derivatives as a Highly Potent Cardioprotectant against Myocardial Ischemia-Reperfusion Injury. J Med Chem 2021; 64:9166-9181. [PMID: 34132541 DOI: 10.1021/acs.jmedchem.1c00384] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Timely myocardial reperfusion salvages ischemic myocardium from infarction, whereas reperfusion itself induces cardiomyocyte death, which is called myocardial ischemia/reperfusion (MI/R) injury. Herein, β-carboline derivative 17c was designed and synthesized with obvious myocardial protective activity for the first time. Pretreatment of 17c effectively protected the cardiomyocyte H9c2 cells from H2O2-induced lactate dehydrogenase leakage and restored the endogenous antioxidants, superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). Besides, 17c effectively protected the mitochondria through decreasing the reactive oxygen species overproduction and enhancing the mitochondrial membrane potential. As a result, 17c significantly reduced the necrosis of cardiomyocytes in H2O2-induced oxidative stress, which was more potent than polydatin. In MI/R injury rats, 17c pretreatment obviously increased the levels of SOD and GSH-Px and inhibited the apoptosis of cardiomyocytes. Through this way, the size of myocardial infarction was significantly reduced after MI/R injury in vivo, better than that of polydatin, suggesting that 17c is a promising cardioprotectant for the prevention of MI/R injury.
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Affiliation(s)
- Hong Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, P. R. China.,School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Rong-Hong Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, P. R. China.,Center for Tissue Engineering and Stem Cell Research, Key Laboratory of Regenerative Medicine of Guizhou Province, Guizhou Medical University, Guiyang 550004, P. R. China
| | - Xiang-Ming Liao
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Dan Yang
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Yu-Chan Wang
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Yong-Long Zhao
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Guo-Bo Xu
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Chun-Hua Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, P. R. China.,School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Yong-Jun Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, P. R. China.,School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Shang-Gao Liao
- School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
| | - Meng Zhou
- State Key Laboratory of Functions and Applications of Medicinal Plants, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, P. R. China.,School of Pharmacy, Guizhou Medical University, Guian New District, , Guizhou 550025, P. R. China
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23
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Yao P, Gao Q, Wang Y, Yao Q, Zhang J. Mechanistic Exploration of Methionine 274 Acting as a "Switch" of the Selective Pocket Involved in HDAC8 Inhibition: An in Silico Study. ChemMedChem 2021; 16:1933-1944. [PMID: 33686739 DOI: 10.1002/cmdc.202001004] [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: 12/29/2020] [Revised: 03/07/2021] [Indexed: 11/11/2022]
Abstract
The overexpression of histone deacetylase 8 (HDAC8) causes several diseases, and the selective inhibition of HDAC8 has been touted as a promising therapeutic strategy due to its fewer side effects. However, the mechanism of HDAC8 selective inhibition remains unclear. In this study, flexible docking and in silico mutation were used to explore the structural change of methionine (M274) during HDAC8 binding to inhibitors, along with the reason for this change. Meanwhile, steered and conventional molecular dynamics simulations were employed to explore the stability of the structural change. The findings suggest that M274 acts as a "switch" to control the exposure of the HDAC8-selective pocket. The structure of M274 changes from flipped-out to flipped-in only when L-shaped inhibitors bind to HDAC8. This structural change forms a groove that allows these inhibitors to enter the selective pocket. In other HDACs, a leucine residue replaces M274 in situ, and the same structural change is not observed. The findings reveal the mechanism of selective HDAC8 inhibition and provide guidance for the development of novel selective inhibitors.
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Affiliation(s)
- Peng Yao
- Department of Physical Chemistry, School of Science, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Qiushuang Gao
- Department of Physical Chemistry, School of Science, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Ying Wang
- Department of Physical Chemistry, School of Science, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Qizheng Yao
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, P. R. China
| | - Ji Zhang
- Department of Physical Chemistry, School of Science, China Pharmaceutical University, Nanjing, 211198, P. R. China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 211198, P. R. China
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24
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Overcome the tumor immunotherapy resistance by combination of the HDAC6 inhibitors with antitumor immunomodulatory agents. Bioorg Chem 2021; 109:104754. [PMID: 33677416 DOI: 10.1016/j.bioorg.2021.104754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/10/2021] [Accepted: 02/16/2021] [Indexed: 11/21/2022]
Abstract
Tumor immunotherapy is currently subject of intense scientific and clinical developments. In previous decade, therapists used natural immune system from the human body to treat several diseases. Although tumor immune disease is a big challenge, combinatorial therapeutic strategy has been succeeded to show the clinical significance. In this context, we discuss the HDAC6 and tumor immune diseases relationship. Also, we summarized the current state of knowledge that based on the combination treatments of the HDAC6 inhibitors (HDAC6is) with antitumor immunomodulatory agents. We observed that, the combination therapies slow down the tumor immune diseases by blocking the aggresome and proteasome pathway. The combination therapy was able to reduce M2 macrophage and increasing PD-L1 blockade sensitivity. Most importantly, multiple combinations of HDAC6is with other agents may consider as potential strategies to treat tumor immune diseases, by reducing the side effects and improve efficacy for the future clinical development.
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25
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Su M, Gong X, Liu F. An update on the emerging approaches for histone deacetylase (HDAC) inhibitor drug discovery and future perspectives. Expert Opin Drug Discov 2021; 16:745-761. [PMID: 33530771 DOI: 10.1080/17460441.2021.1877656] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
INTRODUCTION HDACs catalyze the removal of acetyl groups from the ε-N-acetylated lysine residues of various protein substrates including both histone and nonhistone proteins. Different HDACs have distinct biological functions and are recruited to specific regions of the genome. HDAC inhibitors have attracted much attention in recent decades; indeed, there have been more than thirty HDAC inhibitors investigated in clinic trials with five approvals being achieved. AREAS COVERED This review covers the emerging approaches for HDAC inhibitor drug discovery from the past five years and includes discussion of structure-based rational design, isoform selectivity, and dual mechanism/multi-targeting. Chemical structures in addition to the in vitro and in vivo inhibiting activity of these compounds have also been discussed. EXPERT OPINION The exact role and biological functions of HDACs is still under investigation with a variety of HDAC inhibitors having been designed and evaluated. HDAC inhibitors have shown promise in treating cancer, AD, metabolic disease, viral infection, and multiple sclerosis, but there is still a lot of room for clinical improvement. In the future, more efforts should be put into (i) HDAC isoform identification (ii) the optimization of selectivity, activity, and pharmacokinetics; and (iii) unconventional approaches for discovering different effective scaffolds and pharmacophores.
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Affiliation(s)
- Ma Su
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou, PR China
| | - Xingyu Gong
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou, PR China
| | - Feng Liu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou, PR China
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26
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Zhang XH, Qin-Ma, Wu HP, Khamis MY, Li YH, Ma LY, Liu HM. A Review of Progress in Histone Deacetylase 6 Inhibitors Research: Structural Specificity and Functional Diversity. J Med Chem 2021; 64:1362-1391. [PMID: 33523672 DOI: 10.1021/acs.jmedchem.0c01782] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Histone deacetylases (HDACs) are essential for maintaining homeostasis by catalyzing histone deacetylation. Aberrant expression of HDACs is associated with various human diseases. Although HDAC inhibitors are used as effective chemotherapeutic agents in clinical practice, their applications remain limited due to associated side effects induced by weak isoform selectivity. HDAC6 displays unique structure and cellular localization as well as diverse substrates and exhibits a wider range of biological functions than other isoforms. HDAC6 inhibitors have been effectively used to treat cancers, neurodegenerative diseases, and autoimmune disorders without exerting significant toxic effects. Progress has been made in defining the crystal structures of HDAC6 catalytic domains which has influenced the structure-based drug design of HDAC6 inhibitors. This review summarizes recent literature on HDAC6 inhibitors with particular reference to structural specificity and functional diversity. It may provide up-to-date guidance for the development of HDAC6 inhibitors and perspectives for optimization of therapeutic applications.
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Affiliation(s)
- Xin-Hui Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Qin-Ma
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Hui-Pan Wu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Mussa Yussuf Khamis
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yi-Han Li
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Li-Ying Ma
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.,China Meheco Topfond Pharmaceutical Co., Ltd., Zhumadian, 463000, PR China
| | - Hong-Min Liu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Key Laboratory of Technology Drug Preparation (Zhengzhou University), Ministry of Education of China, Key Laboratory of Henan Province for Drug Quality and Evaluation; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
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27
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Chen LZ, Shu HY, Wu J, Yu YL, Ma D, Huang X, Liu MM, Liu XH, Shi JB. Discovery and development of novel pyrimidine and pyrazolo/thieno-fused pyrimidine derivatives as potent and orally active inducible nitric oxide synthase dimerization inhibitor with efficacy for arthritis. Eur J Med Chem 2021; 213:113174. [PMID: 33515864 DOI: 10.1016/j.ejmech.2021.113174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/24/2020] [Accepted: 01/07/2021] [Indexed: 12/15/2022]
Abstract
In order to discover and develop drug-like anti-inflammatory agents against arthritis, based on "Hit" we found earlier and to overcome drawbacks of toxicity, twelve series of total 89 novel pyrimidine, pyrazolo[4,3-d]pyrimidine and thieno[3,2-d]pyrimidine derivatives were designed, synthesized and screened for their anti-inflammatory activity against NO and toxicity for normal liver cells (LO2). Relationships of balance toxicity and activity have been summarized through multi-steps, and title compounds 22o, 22l were found to show lower toxicity (against LO2: IC50 = 2934, 2301 μM, respectively) and potent effect against NO release (IR = 98.3, 97.67%, at 10 μM, respectively). Furthermore, compound 22o showed potent iNOS inhibitory activity with value of IC50 is 0.96 μM and could interfere stability and formation of the active dimeric iNOS. It's anti-inflammatory activity in vivo was assessed by AIA rat model. Furthermore, the results of metabolic stability, CYP, PK study in vivo, acute toxicity study and subacute toxicity assessment indicated this compound had good drug-like properties for treatment.
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Affiliation(s)
- Liu Zeng Chen
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Hai Yang Shu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Jing Wu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Yun Long Yu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Duo Ma
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Xin Huang
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Ming Ming Liu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Xin Hua Liu
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China.
| | - Jing Bo Shi
- School of Pharmacy, Anhui Medical University, Hefei, 230032, PR China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China.
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28
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Gut Microbiota and Immune System Interactions. Microorganisms 2020; 8:microorganisms8101587. [PMID: 33076307 PMCID: PMC7602490 DOI: 10.3390/microorganisms8101587] [Citation(s) in RCA: 298] [Impact Index Per Article: 74.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/01/2020] [Accepted: 10/14/2020] [Indexed: 02/07/2023] Open
Abstract
Dynamic interactions between gut microbiota and a host’s innate and adaptive immune systems play key roles in maintaining intestinal homeostasis and inhibiting inflammation. The gut microbiota metabolizes proteins and complex carbohydrates, synthesize vitamins, and produce an enormous number of metabolic products that can mediate cross-talk between gut epithelial and immune cells. As a defense mechanism, gut epithelial cells produce a mucosal barrier to segregate microbiota from host immune cells and reduce intestinal permeability. An impaired interaction between gut microbiota and the mucosal immune system can lead to an increased abundance of potentially pathogenic gram-negative bacteria and their associated metabolic changes, disrupting the epithelial barrier and increasing susceptibility to infections. Gut dysbiosis, or negative alterations in gut microbial composition, can also dysregulate immune responses, causing inflammation, oxidative stress, and insulin resistance. Over time, chronic dysbiosis and the translocation of bacteria and their metabolic products across the mucosal barrier may increase prevalence of type 2 diabetes, cardiovascular disease, inflammatory bowel disease, autoimmune disease, and a variety of cancers. In this paper, we highlight the pivotal role gut microbiota and their metabolites (short-chain fatty acids (SCFAs)) play in mucosal immunity.
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29
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Recent advances in small molecular modulators targeting histone deacetylase 6. FUTURE DRUG DISCOVERY 2020. [DOI: 10.4155/fdd-2020-0023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Histone deacetylase 6 (HDAC6) is a unique isozyme in the HDAC family with various distinguished characters. HDAC6 is predominantly localized in the cytoplasm and has several specific nonhistone substrates, such as α-tubulin, cortactin, Hsp90, tau and peroxiredoxins. Accumulating evidence reveals that targeting HDAC6 may serve as a promising therapeutic strategy for the treatment of cancers, neurological disorders and immune diseases, making the development of HDAC6 inhibitors particularly attractive. Recently, multitarget drug design and proteolysis targeting chimera technology have also been applied in the discovery of novel small molecular modulators targeting HDAC6. In this review, we briefly describe the structural features and biological functions of HDAC6 and discuss the recent advances in HDAC6 modulators, including selective inhibitors, chimeric inhibitors and proteolysis targeting chimeras for multiple therapeutic purposes.
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30
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Elmezayen AD, Yelekçi K. Homology modeling and in silico design of novel and potential dual-acting inhibitors of human histone deacetylases HDAC5 and HDAC9 isozymes. J Biomol Struct Dyn 2020; 39:6396-6414. [PMID: 32715940 DOI: 10.1080/07391102.2020.1798812] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Histone deacetylases (HDACs) are a group of enzymes that have prominent and crucial effect on various biological systems, mainly by their suppressive effect on transcription. Searching for inhibitors targeting their respective isoforms without affecting other targets is greatly needed. Some histone deacetylases have no crystal structures, such as HDAC5 and HDAC9. Lacking proper and suitable crystal structure is obstructing the designing of appropriate isoform selective inhibitors. Here in this study, we constructed human HDAC5 and HDAC9 protein models using human HDAC4 (PDB:2VQM_A) as a template by the means of homology modeling approach. Based on the Z-score of the built models, model M0014 of HDAC5 and model M0020 of HDAC9 were selected. The models were verified by MODELLER and validated using the Web-based PROCHECK server. All selected known inhibitors displayed reasonable binding modes and equivalent predicted Ki values in comparison to the experimental binding affinities (Ki/IC50). The known inhibitor Rac26 showed the best binding affinity for HDAC5, while TMP269 showed the best binding affinity for HDAC9. The best two compounds, CHEMBL2114980 and CHEMBL217223, had relatively similar inhibition constants against HDAC5 and HDAC9. The built models and their complexes were subjected to molecular dynamic simulations (MD) for 100 ns. Examining the MD simulation results of all studied structures, including the RMSD, RMSF, radius of gyration and potential energy suggested the stability and reliability of the built models. Accordingly, the results obtained in this study could be used for designing de novo inhibitors against HDAC5 and HDAC9. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Ammar D Elmezayen
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, Istanbul, Turkey
| | - Kemal Yelekçi
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, Istanbul, Turkey
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31
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Kulka LAM, Fangmann PV, Panfilova D, Olzscha H. Impact of HDAC Inhibitors on Protein Quality Control Systems: Consequences for Precision Medicine in Malignant Disease. Front Cell Dev Biol 2020; 8:425. [PMID: 32582706 PMCID: PMC7291789 DOI: 10.3389/fcell.2020.00425] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 05/07/2020] [Indexed: 12/21/2022] Open
Abstract
Lysine acetylation is one of the major posttranslational modifications (PTM) in human cells and thus needs to be tightly regulated by the writers of this process, the histone acetyl transferases (HAT), and the erasers, the histone deacetylases (HDAC). Acetylation plays a crucial role in cell signaling, cell cycle control and in epigenetic regulation of gene expression. Bromodomain (BRD)-containing proteins are readers of the acetylation mark, enabling them to transduce the modification signal. HDAC inhibitors (HDACi) have been proven to be efficient in hematologic malignancies with four of them being approved by the FDA. However, the mechanisms by which HDACi exert their cytotoxicity are only partly resolved. It is likely that HDACi alter the acetylation pattern of cytoplasmic proteins, contributing to their anti-cancer potential. Recently, it has been demonstrated that various protein quality control (PQC) systems are involved in recognizing the altered acetylation pattern upon HDACi treatment. In particular, molecular chaperones, the ubiquitin proteasome system (UPS) and autophagy are able to sense the structurally changed proteins, providing additional targets. Recent clinical studies of novel HDACi have proven that proteins of the UPS may serve as biomarkers for stratifying patient groups under HDACi regimes. In addition, members of the PQC systems have been shown to modify the epigenetic readout of HDACi treated cells and alter proteostasis in the nucleus, thus contributing to changing gene expression profiles. Bromodomain (BRD)-containing proteins seem to play a potent role in transducing the signaling process initiating apoptosis, and many clinical trials are under way to test BRD inhibitors. Finally, it has been demonstrated that HDACi treatment leads to protein misfolding and aggregation, which may explain the effect of panobinostat, the latest FDA approved HDACi, in combination with the proteasome inhibitor bortezomib in multiple myeloma. Therefore, proteins of these PQC systems provide valuable targets for precision medicine in cancer. In this review, we give an overview of the impact of HDACi treatment on PQC systems and their implications for malignant disease. We exemplify the development of novel HDACi and how affected proteins belonging to PQC can be used to determine molecular signatures and utilized in precision medicine.
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Affiliation(s)
- Linda Anna Michelle Kulka
- Medical Faculty, Institute of Physiological Chemistry, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Pia-Victoria Fangmann
- Medical Faculty, Institute of Physiological Chemistry, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Diana Panfilova
- Medical Faculty, Institute of Physiological Chemistry, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
| | - Heidi Olzscha
- Medical Faculty, Institute of Physiological Chemistry, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
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Multitarget Anticancer Agents Based on Histone Deacetylase and Protein Kinase CK2 inhibitors. Molecules 2020; 25:molecules25071497. [PMID: 32218358 PMCID: PMC7180456 DOI: 10.3390/molecules25071497] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 12/21/2022] Open
Abstract
The design of multitarget drugs (MTDs) has become an innovative approach for the search of effective treatments in complex diseases such as cancer. In this work, we communicate our efforts in the design of multi-targeting histone deacetylase (HDAC) and protein kinase CK2 inhibitors as a novel therapeutic strategy against cancer. Using tetrabromobenzotriazole (TBB) and 2-dimethylamino-4,5,6,7-tetrabromo-benzimidazole (DMAT) as scaffolds for CK2 inhibition, and a hydroxamate to coordinate the zinc atom present in the active site of HDAC (zinc binding group, ZBG), new multitarget inhibitors have been designed and synthesized. According to the in vitro assays, N-Hydroxy-6-(4,5,6,7-tetrabromo-2-(dimethylamino)-1H-benzo[d]imidazol-1-yl)hexanamide (11b) is the most interesting compound, with IC50 values of 0.66; 1.46 and 3.67 µM. for HDAC6; HDAC1 and CK2; respectively. Cellular assays on different cancer cell lines rendered promising results for N-Hydroxy-8-(4,5,6,7-tetrabromo-2-(dimethylamino)-1H-benzo[d]imidazol-1-yl)octanamide (11d). This inhibitor presented the highest cytotoxic activity, proapoptotic capability, and the best mitochondria-targeting and multidrug-circumventing properties, thus being the most promising drug candidate for further in vivo studies.
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Sellmer A, Pilsl B, Beyer M, Pongratz H, Wirth L, Elz S, Dove S, Henninger SJ, Spiekermann K, Polzer H, Klaeger S, Kuster B, Böhmer FD, Fiebig HH, Krämer OH, Mahboobi S. A series of novel aryl-methanone derivatives as inhibitors of FMS-like tyrosine kinase 3 (FLT3) in FLT3-ITD-positive acute myeloid leukemia. Eur J Med Chem 2020; 193:112232. [PMID: 32199135 DOI: 10.1016/j.ejmech.2020.112232] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 02/06/2023]
Abstract
Mutants of the FLT3 receptor tyrosine kinase (RTK) with duplications in the juxtamembrane domain (FLT3-ITD) act as drivers of acute myeloid leukemia (AML). Potent tyrosine kinase inhibitors (TKi) of FLT3-ITD entered clinical trials and showed a promising, but transient success due to the occurrence of secondary drug-resistant AML clones. A further caveat of drugs targeting FLT3-ITD is the co-targeting of other RTKs which are required for normal hematopoiesis. This is observed quite frequently. Therefore, novel drugs are necessary to treat AML effectively and safely. Recently bis(1H-indol-2-yl)methanones were found to inhibit FLT3 and PDGFR kinases. In order to optimize these agents we synthesized novel derivatives of these methanones with various substituents. Methanone 16 and its carbamate derivative 17b inhibit FLT3-ITD at least as potently as the TKi AC220 (quizartinib). Models indicate corresponding interactions of 16 and quizartinib with FLT3. The activity of 16 is accompanied by a high selectivity for FLT3-ITD.
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Affiliation(s)
- Andreas Sellmer
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Bernadette Pilsl
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Mandy Beyer
- Department of Toxicology, University Medical Center, Mainz, Germany
| | - Herwig Pongratz
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Lukas Wirth
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Sigurd Elz
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | - Stefan Dove
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany
| | | | | | - Harald Polzer
- Department of Medicine III, University Hospital, LMU Munich, Germany
| | - Susan Klaeger
- Technische Universität München, Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt, Germany
| | - Bernhard Kuster
- Technische Universität München, Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt, Germany
| | - Frank D Böhmer
- Universitätsklinikum Jena - Bachstrasse 18 - D-07743 Jena, Germany
| | | | - Oliver H Krämer
- Department of Toxicology, University Medical Center, Mainz, Germany
| | - Siavosh Mahboobi
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040, Regensburg, Germany.
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HDAC6-an Emerging Target Against Chronic Myeloid Leukemia? Cancers (Basel) 2020; 12:cancers12020318. [PMID: 32013157 PMCID: PMC7072136 DOI: 10.3390/cancers12020318] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 02/06/2023] Open
Abstract
Imatinib became the standard treatment for chronic myeloid leukemia (CML) about 20 years ago, which was a major breakthrough in stabilizing the pathology and improving the quality of life of patients. However, the emergence of resistance to imatinib and other tyrosine kinase inhibitors leads researchers to characterize new therapeutic targets. Several studies have highlighted the role of histone deacetylase 6 (HDAC6) in various pathologies, including cancer. This protein effectively intervenes in cellular activities by its primarily cytoplasmic localization. In this review, we will discuss the molecular characteristics of the HDAC6 protein, as well as its overexpression in CML leukemic stem cells, which make it a promising therapeutic target for the treatment of CML.
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Bonandi E, Perdicchia D, Colombo E, Foschi F, Marzullo P, Passarella D. Catalytic C3 aza-alkylation of indoles. Org Biomol Chem 2020; 18:6211-6235. [DOI: 10.1039/d0ob01094d] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The aza-alkylation reaction at position 3 of the indole scaffold allows the introduction of a differently substituted aminomethyl group, with the formation of a stereogenic centre. Critical summary of 2000–2019 meaningful papers.
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Affiliation(s)
- Elisa Bonandi
- Department of Chemistry
- Università degli Studi di Milano
- Milan
- Italy
| | - Dario Perdicchia
- Department of Chemistry
- Università degli Studi di Milano
- Milan
- Italy
| | - Eleonora Colombo
- Department of Chemistry
- Università degli Studi di Milano
- Milan
- Italy
| | - Francesca Foschi
- Department of Chemistry
- Università degli Studi di Milano
- Milan
- Italy
| | - Paola Marzullo
- Department of Chemistry
- Università degli Studi di Milano
- Milan
- Italy
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36
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HDAC3 Activity is Essential for Human Leukemic Cell Growth and the Expression of β-catenin, MYC, and WT1. Cancers (Basel) 2019; 11:cancers11101436. [PMID: 31561534 PMCID: PMC6826998 DOI: 10.3390/cancers11101436] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/11/2019] [Accepted: 09/20/2019] [Indexed: 01/23/2023] Open
Abstract
Therapy of acute myeloid leukemia (AML) is unsatisfactory. Histone deacetylase inhibitors (HDACi) are active against leukemic cells in vitro and in vivo. Clinical data suggest further testing of such epigenetic drugs and to identify mechanisms and markers for their efficacy. Primary and permanent AML cells were screened for viability, replication stress/DNA damage, and regrowth capacities after single exposures to the clinically used pan-HDACi panobinostat (LBH589), the class I HDACi entinostat/romidepsin (MS-275/FK228), the HDAC3 inhibitor RGFP966, the HDAC6 inhibitor marbostat-100, the non-steroidal anti-inflammatory drug (NSAID) indomethacin, and the replication stress inducer hydroxyurea (HU). Immunoblotting was used to test if HDACi modulate the leukemia-associated transcription factors β-catenin, Wilms tumor (WT1), and myelocytomatosis oncogene (MYC). RNAi was used to delineate how these factors interact. We show that LBH589, MS-275, FK228, RGFP966, and HU induce apoptosis, replication stress/DNA damage, and apoptotic fragmentation of β-catenin. Indomethacin destabilizes β-catenin and potentiates anti-proliferative effects of HDACi. HDACi attenuate WT1 and MYC caspase-dependently and -independently. Genetic experiments reveal a cross-regulation between MYC and WT1 and a regulation of β-catenin by WT1. In conclusion, reduced levels of β-catenin, MYC, and WT1 are molecular markers for the efficacy of HDACi. HDAC3 inhibition induces apoptosis and disrupts tumor-associated protein expression.
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Wu H, Yang K, Zhang Z, Leisten ED, Li Z, Xie H, Liu J, Smith KA, Novakova Z, Barinka C, Tang W. Development of Multifunctional Histone Deacetylase 6 Degraders with Potent Antimyeloma Activity. J Med Chem 2019; 62:7042-7057. [DOI: 10.1021/acs.jmedchem.9b00516] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | - Zora Novakova
- Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, Prumyslova 595, 252 50 Vestec, Czech Republic
| | - Cyril Barinka
- Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, Prumyslova 595, 252 50 Vestec, Czech Republic
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38
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Grünstein E, Sellmer A, Mahboobi S. Enantioselective synthesis and biological investigation of tetrahydro‐β‐carboline‐based HDAC6 inhibitors with improved solubility. Arch Pharm (Weinheim) 2019; 352:e1900026. [DOI: 10.1002/ardp.201900026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/12/2019] [Accepted: 03/17/2019] [Indexed: 12/30/2022]
Affiliation(s)
- Elisabeth Grünstein
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgRegensburg Germany
| | - Andreas Sellmer
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgRegensburg Germany
| | - Siavosh Mahboobi
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgRegensburg Germany
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39
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Vögerl K, Ong N, Senger J, Herp D, Schmidtkunz K, Marek M, Müller M, Bartel K, Shaik TB, Porter NJ, Robaa D, Christianson DW, Romier C, Sippl W, Jung M, Bracher F. Synthesis and Biological Investigation of Phenothiazine-Based Benzhydroxamic Acids as Selective Histone Deacetylase 6 Inhibitors. J Med Chem 2019; 62:1138-1166. [PMID: 30645113 DOI: 10.1021/acs.jmedchem.8b01090] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The phenothiazine system was identified as a favorable cap group for potent and selective histone deacetylase 6 (HDAC6) inhibitors. Here, we report the preparation and systematic variation of phenothiazines and their analogues containing a benzhydroxamic acid moiety as the zinc-binding group. We evaluated their ability to selectively inhibit HDAC6 by a recombinant HDAC enzyme assay, by determining the protein acetylation levels in cells by western blotting (tubulin vs histone acetylation), and by assessing their effects on various cancer cell lines. Structure-activity relationship studies revealed that incorporation of a nitrogen atom into the phenothiazine framework results in increased potency and selectivity for HDAC6 (more than 500-fold selectivity relative to the inhibition of HDAC1, HDAC4, and HDAC8), as rationalized by molecular modeling and docking studies. The binding mode was confirmed by co-crystallization of the potent azaphenothiazine inhibitor with catalytic domain 2 from Danio rerio HDAC6.
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Affiliation(s)
- Katharina Vögerl
- Department of Pharmacy-Center for Drug Research , Ludwig-Maximilians University Munich , Butenandtstr. 5-13 , 81377 Munich , Germany
| | - Nghia Ong
- Department of Pharmacy-Center for Drug Research , Ludwig-Maximilians University Munich , Butenandtstr. 5-13 , 81377 Munich , Germany
| | - Johanna Senger
- Institute of Pharmaceutical Sciences , University of Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Daniel Herp
- Institute of Pharmaceutical Sciences , University of Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Karin Schmidtkunz
- Institute of Pharmaceutical Sciences , University of Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Martin Marek
- Département de Biologie Structurale Intégrative, Institut de Génétique et Biologie Moléculaire et Cellulaire (IGBMC) , Université de Strasbourg (UDS), CNRS, INSERM , 67404 Illkirch Cedex , France
| | - Martin Müller
- Department of Pharmacy-Center for Drug Research , Ludwig-Maximilians University Munich , Butenandtstr. 5-13 , 81377 Munich , Germany
| | - Karin Bartel
- Department of Pharmacy-Center for Drug Research , Ludwig-Maximilians University Munich , Butenandtstr. 5-13 , 81377 Munich , Germany
| | - Tajith B 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
| | - Nicholas J Porter
- Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Dina Robaa
- Institute of Pharmacy , Martin-Luther University of Halle-Wittenberg , 06120 Halle/Saale , Germany
| | - David W Christianson
- Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , United States
| | - 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
| | - Wolfgang Sippl
- Institute of Pharmacy , Martin-Luther University of Halle-Wittenberg , 06120 Halle/Saale , Germany
| | - Manfred Jung
- Institute of Pharmaceutical Sciences , University of Freiburg , Albertstraße 25 , 79104 Freiburg , Germany
| | - Franz Bracher
- Department of Pharmacy-Center for Drug Research , Ludwig-Maximilians University Munich , Butenandtstr. 5-13 , 81377 Munich , Germany
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40
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Song Y, Lim J, Seo YH. A novel class of anthraquinone-based HDAC6 inhibitors. Eur J Med Chem 2019; 164:263-272. [DOI: 10.1016/j.ejmech.2018.12.056] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/18/2018] [Accepted: 12/24/2018] [Indexed: 11/27/2022]
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41
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Ruzic D, Petkovic M, Agbaba D, Ganesan A, Nikolic K. Combined Ligand and Fragment‐based Drug Design of Selective Histone Deacetylase – 6 Inhibitors. Mol Inform 2019; 38:e1800083. [DOI: 10.1002/minf.201800083] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 12/08/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Dusan Ruzic
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - Milos Petkovic
- Department of Organic Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - Danica Agbaba
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
| | - A. Ganesan
- School of PharmacyUniversity of East Anglia Norwich Research Park NR4 7TJ Norwich United Kingdom
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
- Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversity of Belgrade Vojvode Stepe 450 11000 Belgrade Serbia
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42
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Han MR, Zhang HT, Wang JN, Feng SS, Lu LP. Three chiral one-dimensional lanthanide–ditoluoyl-tartrate bifunctional polymers exhibiting luminescence and magnetic behaviors. RSC Adv 2019; 9:32288-32295. [PMID: 35530802 PMCID: PMC9072961 DOI: 10.1039/c9ra06920h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 10/01/2019] [Indexed: 01/04/2023] Open
Abstract
Since Ln-CPs have excellent optical properties (higher color purity, longer fluorescence lifetime and higher quantum yield) and magnetic properties, it is of great significance to prepare dual magneto-optical materials based on Ln(iii). Herein, we obtained three versatile Ln-CPs, [Ln(HDTTA)3(CH3OH)3]n, derived from reactions of lanthanide salts (Ln = Tb 1, Dy 2, Ho 3) and a chiral and flexible ligand, namely, (+)-di-p-toluoyl-d-tartaric acid (d-H2DTTA) in a methanol–water solution, at room temperature and pressure. The structures of these compounds have been characterized by single crystal and powder X-ray diffraction, infrared spectroscopy, elemental analyses and thermogravimetric analyses. Complexes 1–3 are isomorphic, crystallizing in the chiral trigonal R3 space group with the linkage of Ln3+ ions and featuring 1D propeller chain structures. The circular dichroism spectra confirm that the complexes maintain the chirality from the ligands. Furthermore, the luminescent and magnetic properties have been investigated, relying on intrinsic properties of the lanthanide ions. The photoluminescence measurements indicate that 1, 2 and 3 show strong green, white and blue emission bands with CIE chromaticity coordinates of (0.32, 0.56), (0.29, 0.26) and (0.21, 0.12), respectively. The decay lifetime curve of 1 shows the exponential decay with long lifetime of 1.169 ms and the relative quantum yield for 1 was 19.31%. In addition, the magnetic properties of complexes 1–3 have been investigated by measuring the magnetic susceptibility in the temperature range of 2–300 K. They are all dominated by spin–orbit coupling and ligand field perturbation, and the exchange coupling between Ln3+ ions is almost negligible. Therefore, complexes 1–3 are promising chiral, optical and magnetic multifunctional materials. Self-assembly of three chiral one-dimensional Ln-CPs with luminescence and magnetic behaviors.![]()
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Affiliation(s)
- Mei-rong Han
- Institute of Molecular Science
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry
- Shanxi University
- Taiyuan
- P. R. China
| | - Han-tao Zhang
- Institute of Molecular Science
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry
- Shanxi University
- Taiyuan
- P. R. China
| | - Jia-nan Wang
- Institute of Molecular Science
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry
- Shanxi University
- Taiyuan
- P. R. China
| | - Si-si Feng
- Institute of Molecular Science
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry
- Shanxi University
- Taiyuan
- P. R. China
| | - Li-ping Lu
- Institute of Molecular Science
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry
- Shanxi University
- Taiyuan
- P. R. China
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43
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Supantanapong N, Chuangsoongnern P, Tummatorn J, Thongsornkleeb C, Ruchirawat S. One-pot sequential synthesis of 3-carbonyl-4-arylbenzo[f]indole and 3-carbonyl-4-arylnaphthofuran fluorophores. Org Chem Front 2019. [DOI: 10.1039/c8qo01182f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A robust synthetic method for the construction of valuable fluorophores, 3-carbonyl-4-arylbenzo[f]indoles and 3-carbonyl-4-arylnaphthofurans, has been developed. The strategy involved a one-pot domino process to achieve the products in moderate to excellent yields.
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Affiliation(s)
- N. Supantanapong
- Program on Chemical Biology
- Chulabhorn Graduate Institute
- Center of Excellence on Environmental Health and Toxicology (EHT)
- Ministry of Education
- Laksi
| | - P. Chuangsoongnern
- Laboratory of Medicinal Chemistry
- Chulabhorn Research Institute
- Laksi
- Thailand
| | - J. Tummatorn
- Program on Chemical Biology
- Chulabhorn Graduate Institute
- Center of Excellence on Environmental Health and Toxicology (EHT)
- Ministry of Education
- Laksi
| | - C. Thongsornkleeb
- Program on Chemical Biology
- Chulabhorn Graduate Institute
- Center of Excellence on Environmental Health and Toxicology (EHT)
- Ministry of Education
- Laksi
| | - S. Ruchirawat
- Program on Chemical Biology
- Chulabhorn Graduate Institute
- Center of Excellence on Environmental Health and Toxicology (EHT)
- Ministry of Education
- Laksi
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44
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Schiedel M, Conway SJ. Small molecules as tools to study the chemical epigenetics of lysine acetylation. Curr Opin Chem Biol 2018; 45:166-178. [DOI: 10.1016/j.cbpa.2018.06.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/08/2018] [Accepted: 06/11/2018] [Indexed: 02/06/2023]
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Ridinger J, Koeneke E, Kolbinger FR, Koerholz K, Mahboobi S, Hellweg L, Gunkel N, Miller AK, Peterziel H, Schmezer P, Hamacher-Brady A, Witt O, Oehme I. Dual role of HDAC10 in lysosomal exocytosis and DNA repair promotes neuroblastoma chemoresistance. Sci Rep 2018; 8:10039. [PMID: 29968769 PMCID: PMC6030077 DOI: 10.1038/s41598-018-28265-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 06/15/2018] [Indexed: 12/19/2022] Open
Abstract
Drug resistance is a leading cause for treatment failure in many cancers, including neuroblastoma, the most common solid extracranial childhood malignancy. Previous studies from our lab indicate that histone deacetylase 10 (HDAC10) is important for the homeostasis of lysosomes, i.e. acidic vesicular organelles involved in the degradation of various biomolecules. Here, we show that depleting or inhibiting HDAC10 results in accumulation of lysosomes in chemotherapy-resistant neuroblastoma cell lines, as well as in the intracellular accumulation of the weakly basic chemotherapeutic doxorubicin within lysosomes. Interference with HDAC10 does not block doxorubicin efflux from cells via P-glycoprotein inhibition, but rather via inhibition of lysosomal exocytosis. In particular, intracellular doxorubicin does not remain trapped in lysosomes but also accumulates in the nucleus, where it promotes neuroblastoma cell death. Our data suggest that lysosomal exocytosis under doxorubicin treatment is important for cell survival and that inhibition of HDAC10 further induces DNA double-strand breaks (DSBs), providing additional mechanisms that sensitize neuroblastoma cells to doxorubicin. Taken together, we demonstrate that HDAC10 inhibition in combination with doxorubicin kills neuroblastoma, but not non-malignant cells, both by impeding drug efflux and enhancing DNA damage, providing a novel opportunity to target chemotherapy resistance.
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Affiliation(s)
- Johannes Ridinger
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.,Faculty of Biosciences, University of Heidelberg, Heidelberg, Germany
| | - Emily Koeneke
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.,University of Heidelberg, Heidelberg, Germany
| | - Fiona R Kolbinger
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Katharina Koerholz
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Siavosh Mahboobi
- Institute of Pharmacy, University of Regensburg, Regensburg, Germany
| | - Lars Hellweg
- Research Group Cancer Drug Development, German Cancer Research Center, Heidelberg, Germany
| | - Nikolas Gunkel
- Research Group Cancer Drug Development, German Cancer Research Center, Heidelberg, Germany
| | - Aubry K Miller
- Research Group Cancer Drug Development, German Cancer Research Center, Heidelberg, Germany
| | - Heike Peterziel
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany
| | - Peter Schmezer
- Division of Epigenomics and Cancer Risk Factors, German Cancer Research Center, Heidelberg, Germany
| | - Anne Hamacher-Brady
- Johns Hopkins University, Bloomberg School of Public Health, Baltimore, United States
| | - Olaf Witt
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany.,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.,Department of Pediatric Oncology, Hematology and Immunology, University Hospital Heidelberg, Heidelberg, Germany
| | - Ina Oehme
- Preclinical Program, Hopp Children's Cancer Center at NCT Heidelberg (KiTZ), Heidelberg, Germany. .,Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ), and German Cancer Consortium (DKTK), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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Leonhardt M, Sellmer A, Krämer OH, Dove S, Elz S, Kraus B, Beyer M, Mahboobi S. Design and biological evaluation of tetrahydro-β-carboline derivatives as highly potent histone deacetylase 6 (HDAC6) inhibitors. Eur J Med Chem 2018; 152:329-357. [PMID: 29738953 DOI: 10.1016/j.ejmech.2018.04.046] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/09/2018] [Accepted: 04/21/2018] [Indexed: 10/17/2022]
Abstract
Various diseases are related to epigenetic modifications. Histone deacetylases (HDACs) and histone acetyl transferases (HATs) determine the pattern of histone acetylation, and thus are involved in the regulation of gene expression. First generation histone deacetylase inhibitors (HDACi) are unselective, hinder all different kinds of zinc dependent HDACs and additionally cause several side effects. Subsequently, selective HDACi are gaining more and more interest. Especially, selective histone deacetylase 6 inhibitors (HDAC6i) are supposed to be less toxic. Here we present a successful optimization study of tubastatin A, the synthesis and biological evaluation of new inhibitors based on hydroxamic acids linked to various tetrahydro-β-carboline derivatives. The potency of our selective HDAC6 inhibitors, exhibiting IC50 values in a range of 1-10 nM towards HDAC6, was evaluated with the help of a recombinant human HDAC6 enzyme assay. Selectivity was proofed in cellular assays by the hyperacetylation of surrogate parameter α-tubulin in the absence of acetylated histone H3 analyzed by Western Blot. We show that all synthesized compounds, with varies modifications of the rigid cap group, were selective and potent HDAC6 inhibitors.
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Affiliation(s)
- Michel Leonhardt
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry I, University of Regensburg, 93040, Regensburg, Germany
| | - Andreas Sellmer
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry I, University of Regensburg, 93040, Regensburg, Germany
| | - Oliver H Krämer
- Institute of Toxicology, University Medical Center Mainz, 55131, Mainz, Germany
| | - Stefan Dove
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry II, University of Regensburg, 93040, Regensburg, Germany
| | - Sigurd Elz
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry I, University of Regensburg, 93040, Regensburg, Germany
| | - Birgit Kraus
- Institute of Pharmacy, Department of Pharmaceutical Biology, University of Regensburg, 93040, Regensburg, Germany
| | - Mandy Beyer
- Institute of Toxicology, University Medical Center Mainz, 55131, Mainz, Germany
| | - Siavosh Mahboobi
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry I, University of Regensburg, 93040, Regensburg, Germany.
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