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Curcio A, Rocca R, Alcaro S, Artese A. The Histone Deacetylase Family: Structural Features and Application of Combined Computational Methods. Pharmaceuticals (Basel) 2024; 17:620. [PMID: 38794190 PMCID: PMC11124352 DOI: 10.3390/ph17050620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/03/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Histone deacetylases (HDACs) are crucial in gene transcription, removing acetyl groups from histones. They also influence the deacetylation of non-histone proteins, contributing to the regulation of various biological processes. Thus, HDACs play pivotal roles in various diseases, including cancer, neurodegenerative disorders, and inflammatory conditions, highlighting their potential as therapeutic targets. This paper reviews the structure and function of the four classes of human HDACs. While four HDAC inhibitors are currently available for treating hematological malignancies, numerous others are undergoing clinical trials. However, their non-selective toxicity necessitates ongoing research into safer and more efficient class-selective or isoform-selective inhibitors. Computational methods have aided the discovery of HDAC inhibitors with the desired potency and/or selectivity. These methods include ligand-based approaches, such as scaffold hopping, pharmacophore modeling, three-dimensional quantitative structure-activity relationships, and structure-based virtual screening (molecular docking). Moreover, recent developments in the field of molecular dynamics simulations, combined with Poisson-Boltzmann/molecular mechanics generalized Born surface area techniques, have improved the prediction of ligand binding affinity. In this review, we delve into the ways in which these methods have contributed to designing and identifying HDAC inhibitors.
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Affiliation(s)
- Antonio Curcio
- Dipartimento di Scienze della Salute, Campus “S. Venuta”, Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (A.C.); (S.A.); (A.A.)
| | - Roberta Rocca
- Dipartimento di Scienze della Salute, Campus “S. Venuta”, Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (A.C.); (S.A.); (A.A.)
- Net4Science S.r.l., Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Campus “S. Venuta”, Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (A.C.); (S.A.); (A.A.)
- Net4Science S.r.l., Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy
| | - Anna Artese
- Dipartimento di Scienze della Salute, Campus “S. Venuta”, Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (A.C.); (S.A.); (A.A.)
- Net4Science S.r.l., Università degli Studi “Magna Græcia” di Catanzaro, Viale Europa, 88100 Catanzaro, Italy
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2
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Liu C, Zheng D, Pu X, Li S. HDAC7: a promising target in cancer. Front Oncol 2024; 14:1327933. [PMID: 38487728 PMCID: PMC10939994 DOI: 10.3389/fonc.2024.1327933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/14/2024] [Indexed: 03/17/2024] Open
Abstract
Histones have a vital function as components of nucleosomes, which serve as the fundamental building blocks of chromatin. Histone deacetylases (HDACs), which target histones, suppress gene transcription by compacting chromatin. This implies that HDACs have a strong connection to the suppression of gene transcription. Histone deacetylase 7 (HDAC7), a member of the histone deacetylase family, may participate in multiple cellular pathophysiological processes and activate relevant signaling pathways to facilitate the progression of different tumors by exerting deacetylation. In recent years, HDAC7 has been increasingly studied in the pathogenesis of tumors. Studies that are pertinent have indicated that it has a significant impact on the growth and metastasis of tumors, the formation of the vascular microenvironment, and the emergence of resistance to drugs. Therefore, HDAC7 could potentially function as a potent predictor for tumor prognosis and a promising target for mitigating drug resistance in tumors. This review primarily concentrates on elucidating the structure and function of HDAC7, its involvement in the development of various tumors, and its interplay with relevant signaling pathways. Meanwhile, we briefly discuss the research direction and prospect of HDAC7.
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Affiliation(s)
| | | | | | - Sijun Li
- Department of Otolaryngology-Head and Neck Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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3
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Ahamad S, Bano N, Khan S, Hussain MK, Bhat SA. Unraveling the Puzzle of Therapeutic Peptides: A Promising Frontier in Huntington's Disease Treatment. J Med Chem 2024; 67:783-815. [PMID: 38207096 DOI: 10.1021/acs.jmedchem.3c01131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Huntington's disease (HD) is a neurodegenerative genetic disorder characterized by a mutation in the huntingtin (HTT) gene, resulting in the production of a mutant huntingtin protein (mHTT). The accumulation of mHTT leads to the development of toxic aggregates in neurons, causing cell dysfunction and, eventually, cell death. Peptide therapeutics target various aspects of HD pathology, including mHTT reduction and aggregation inhibition, extended CAG mRNA degradation, and modulation of dysregulated signaling pathways, such as BDNF/TrkB signaling. In addition, these peptide therapeutics also target the detrimental interactions of mHTT with InsP3R1, CaM, or Caspase-6 proteins to mitigate HD. This Perspective provides a detailed perspective on anti-HD therapeutic peptides, highlighting their design, structural characteristics, neuroprotective effects, and specific mechanisms of action. Peptide therapeutics for HD exhibit promise in preclinical models, but further investigation is required to confirm their effectiveness as viable therapeutic strategies, recognizing that no approved peptide therapy for HD currently exists.
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Affiliation(s)
- Shakir Ahamad
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India
| | - Nargis Bano
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Sameera Khan
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | | | - Shahnawaz A Bhat
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
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4
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Asfaha Y, Bollmann LM, Skerhut AJ, Fischer F, Horstick N, Roth D, Wecker M, Mammen C, Smits SHJ, Fluegen G, Kassack MU, Kurz T. 5-(Trifluoromethyl)-1,2,4-oxadiazole (TFMO)-based highly selective class IIa HDAC inhibitors exhibit synergistic anticancer activity in combination with bortezomib. Eur J Med Chem 2024; 263:115907. [PMID: 37979441 DOI: 10.1016/j.ejmech.2023.115907] [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: 09/02/2023] [Revised: 10/18/2023] [Accepted: 10/21/2023] [Indexed: 11/20/2023]
Abstract
Clinically used pan and class I HDACi cause severe side effects, whereas class IIa HDACi are less cytotoxic. Here, we present the synthesis and anticancer effects of a series of 5-(trifluoromethyl)-1,2,4-oxadiazole (TFMO)-based amides and alkoxyamides derived from the previously reported class IIa HDACi YAK540. The most active class IIa inhibitor 1a showed nanomolar inhibition of the class IIa enzymes 4, 5, 7 (IC50 HDAC4: 12 nM) and high selectivity (selectivity index >318 for HDAC4) over non-class IIa HDACs. Instead of a hydroxamic acid group, 1a has a trifluoromethyloxadiazolyl (TFMO) moiety as a non-chelating Zinc-binding group (ZBG). Applying the Chou-Talalay-method we found an increased synergistic cytotoxic effect of 1a in combination with bortezomib in THP1 cells. 1a in combination with bortezomib enhanced expression of p21 leading to increased caspase-induced apoptosis. Eventually, growth inhibition by 1a of the head-neck cancer cell line Cal27 was increased upon HDAC4 overexpression in Cal27 in cell culture and using the in vivo chorioallantoic membrane model. The class IIa HDACi 1a outperforms previously described HDAC class IIa inhibitor YAK540 regarding anticancer effects and may constitute a novel option compared to pan and class I HDACi in anticancer combination treatments.
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Affiliation(s)
- Yodita Asfaha
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Lukas M Bollmann
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Alexander J Skerhut
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Fabian Fischer
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Nadine Horstick
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Dennis Roth
- Department of Surgery (A), Medical Faculty, University Hospital of the Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Maria Wecker
- Department of Surgery (A), Medical Faculty, University Hospital of the Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Christian Mammen
- Institute of Biochemistry I, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Sander H J Smits
- Institute of Biochemistry I, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany; Center for Structural Studies, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Georg Fluegen
- Department of Surgery (A), Medical Faculty, University Hospital of the Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Matthias U Kassack
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Thomas Kurz
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany.
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Das T, Khatun S, Jha T, Gayen S. HDAC9 as a Privileged Target: Reviewing its Role in Different Diseases and Structure-activity Relationships (SARs) of its Inhibitors. Mini Rev Med Chem 2024; 24:767-784. [PMID: 37818566 DOI: 10.2174/0113895575267301230919165827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/17/2023] [Accepted: 08/11/2023] [Indexed: 10/12/2023]
Abstract
HDAC9 is a histone deacetylase enzyme belonging to the class IIa of HDACs which catalyses histone deacetylation. HDAC9 inhibit cell proliferation by repairing DNA, arresting the cell cycle, inducing apoptosis, and altering genetic expression. HDAC9 plays a significant part in human physiological system and are involved in various type of diseases like cancer, diabetes, atherosclerosis and CVD, autoimmune response, inflammatory disease, osteoporosis and liver fibrosis. This review discusses the role of HDAC9 in different diseases and structure-activity relationships (SARs) of various hydroxamate and non-hydroxamate-based inhibitors. SAR of compounds containing several scaffolds have been discussed in detail. Moreover, structural requirements regarding the various components of HDAC9 inhibitor (cap group, linker and zinc-binding group) has been highlighted in this review. Though, HDAC9 is a promising target for the treatment of a number of diseases including cancer, a very few research are available. Thus, this review may provide useful information for designing novel HDAC9 inhibitors to fight against different diseases in the future.
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Affiliation(s)
- Totan Das
- Department of Pharmaceutical Technology, Laboratory of Drug Design and Discovery, Jadavpur University, Kolkata, 700032, India
| | - Samima Khatun
- Department of Pharmaceutical Technology, Laboratory of Drug Design and Discovery, Jadavpur University, Kolkata, 700032, India
| | - Tarun Jha
- Department of Pharmaceutical Technology, Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Jadavpur University, Kolkata, 700032, India
| | - Shovanlal Gayen
- Department of Pharmaceutical Technology, Laboratory of Drug Design and Discovery, Jadavpur University, Kolkata, 700032, India
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Barbaraci C, di Giacomo V, Maruca A, Patamia V, Rocca R, Dichiara M, Di Rienzo A, Cacciatore I, Cataldi A, Balaha M, Rapino M, Zagni C, Zampieri D, Pasquinucci L, Parenti C, Amata E, Rescifina A, Alcaro S, Marrazzo A. Discovery of first novel sigma/HDACi dual-ligands with a potent in vitro antiproliferative activity. Bioorg Chem 2023; 140:106794. [PMID: 37659146 DOI: 10.1016/j.bioorg.2023.106794] [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: 04/19/2023] [Revised: 08/09/2023] [Accepted: 08/15/2023] [Indexed: 09/04/2023]
Abstract
Designing and discovering compounds for dual-target inhibitors is challenging to synthesize new, safer, and more efficient drugs than single-target drugs, especially to treat multifactorial diseases such as cancer. The simultaneous regulation of multiple targets might represent an alternative synthetic approach to optimize patient compliance and tolerance, minimizing the risk of target-based drug resistance due to the modulation of a few targets. To this end, we conceived for the first time the design and synthesis of dual-ligands σR/HDACi to evaluate possible employment as innovative candidates to address this complex disease. Among all synthesized compounds screened for several tumoral cell lines, compound 6 (Kiσ1R = 38 ± 3.7; Kiσ2R = 2917 ± 769 and HDACs IC50 = 0.59 µM) is the most promising candidate as an antiproliferative agent with an IC50 of 0.9 µM on the HCT116 cell line and no significant toxicity to normal cells. Studies of molecular docking, which confirmed the affinity over σ1R and a pan-HDACs inhibitory behavior, support a possible balanced affinity and activity between both targets.
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Affiliation(s)
- Carla Barbaraci
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Viviana di Giacomo
- Department of Pharmacy, University "G. d'Annunzio", Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Annalisa Maruca
- Net4science academic spinoff srl, Università degli Studi "Magna Græcia" di Catanzaro, Campus "Salvatore Venuta", Viale Europa, 88100, Catanzaro, Italy
| | - Vincenzo Patamia
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Roberta Rocca
- Net4science academic spinoff srl, Università degli Studi "Magna Græcia" di Catanzaro, Campus "Salvatore Venuta", Viale Europa, 88100, Catanzaro, Italy
| | - Maria Dichiara
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Annalisa Di Rienzo
- Department of Pharmacy, University "G. d'Annunzio", Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Ivana Cacciatore
- Department of Pharmacy, University "G. d'Annunzio", Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Amelia Cataldi
- Department of Pharmacy, University "G. d'Annunzio", Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy
| | - Marwa Balaha
- Department of Pharmacy, University "G. d'Annunzio", Chieti-Pescara, Via dei Vestini 31, 66100 Chieti, Italy; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafr El Sheikh 33516, Egypt
| | - Monica Rapino
- Genetic Molecular Institute of CNR, Unit of Chieti, "G. d' Annunzio" University, Via dei Vestini 31, 66100 Chieti-Pescara, Italy
| | - Chiara Zagni
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Daniele Zampieri
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgieri 1, 34127 Trieste, Italy
| | - Lorella Pasquinucci
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Carmela Parenti
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Emanuele Amata
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Antonio Rescifina
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Stefano Alcaro
- Net4science academic spinoff srl, Università degli Studi "Magna Græcia" di Catanzaro, Campus "Salvatore Venuta", Viale Europa, 88100, Catanzaro, Italy; Dipartimento di Scienze della Salute, Università degli Studi "Magna Græcia" di Catanzaro, Campus "Salvatore Venuta", Viale Europa, 88100, Catanzaro, Italy.
| | - Agostino Marrazzo
- Department of Drug and Health Sciences, Medicinal Chemistry Section, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy.
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7
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Patel U, Smalley JP, Hodgkinson JT. PROTAC chemical probes for histone deacetylase enzymes. RSC Chem Biol 2023; 4:623-634. [PMID: 37654508 PMCID: PMC10467623 DOI: 10.1039/d3cb00105a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/27/2023] [Indexed: 09/02/2023] Open
Abstract
Over the past three decades, we have witnessed the progression of small molecule chemical probes designed to inhibit the catalytic active site of histone deacetylase (HDAC) enzymes into FDA approved drugs. However, it is only in the past five years we have witnessed the emergence of proteolysis targeting chimeras (PROTACs) capable of promoting the proteasome mediated degradation of HDACs. This is a field still in its infancy, however given the current progress of PROTACs in clinical trials and the fact that FDA approved HDAC drugs are already in the clinic, there is significant potential in developing PROTACs to target HDACs as therapeutics. Beyond therapeutics, PROTACs also serve important applications as chemical probes to interrogate fundamental biology related to HDACs via their unique degradation mode of action. In this review, we highlight some of the key findings to date in the discovery of PROTACs targeting HDACs by HDAC class and HDAC isoenzyme, current gaps in PROTACs to target HDACs and future outlooks.
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Affiliation(s)
- Urvashi Patel
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - Joshua P Smalley
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - James T Hodgkinson
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
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8
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Wang Y, Abrol R, Mak JYW, Das Gupta K, Ramnath D, Karunakaran D, Fairlie DP, Sweet MJ. Histone deacetylase 7: a signalling hub controlling development, inflammation, metabolism and disease. FEBS J 2023; 290:2805-2832. [PMID: 35303381 PMCID: PMC10952174 DOI: 10.1111/febs.16437] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/02/2022] [Accepted: 03/16/2022] [Indexed: 12/20/2022]
Abstract
Histone deacetylases (HDACs) catalyse removal of acetyl groups from lysine residues on both histone and non-histone proteins to control numerous cellular processes. Of the 11 zinc-dependent classical HDACs, HDAC4, 5, 7 and 9 are class IIa HDAC enzymes that regulate cellular and developmental processes through both enzymatic and non-enzymatic mechanisms. Over the last two decades, HDAC7 has been associated with key roles in numerous physiological and pathological processes. Molecular, cellular, in vivo and disease association studies have revealed that HDAC7 acts through multiple mechanisms to control biological processes in immune cells, osteoclasts, muscle, the endothelium and epithelium. This HDAC protein regulates gene expression, cell proliferation, cell differentiation and cell survival and consequently controls development, angiogenesis, immune functions, inflammation and metabolism. This review focuses on the cell biology of HDAC7, including the regulation of its cellular localisation and molecular mechanisms of action, as well as its associative and causal links with cancer and inflammatory, metabolic and fibrotic diseases. We also review the development status of small molecule inhibitors targeting HDAC7 and their potential for intervention in different disease contexts.
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Affiliation(s)
- Yizhuo Wang
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Rishika Abrol
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Jeffrey Y. W. Mak
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
| | - Kaustav Das Gupta
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Divya Ramnath
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Denuja Karunakaran
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - David P. Fairlie
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt. LuciaAustralia
| | - Matthew J. Sweet
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt. LuciaAustralia
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Synergistic Interaction of the Class IIa HDAC Inhibitor CHDI0039 with Bortezomib in Head and Neck Cancer Cells. Int J Mol Sci 2023; 24:ijms24065553. [PMID: 36982651 PMCID: PMC10056166 DOI: 10.3390/ijms24065553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/28/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
In contrast to class I/IIb/pan histone deacetylase inhibitors (HDACi), the role of class IIa HDACi as anti-cancer chemosensitizing agents is less well understood. Here, we studied the effects of HDAC4 in particular and the class IIa HDACi CHDI0039 on proliferation and chemosensitivity in Cal27 and cisplatin-resistant Cal27CisR head and neck squamous cell cancer (HNSCC). HDAC4 and HDAC5 overexpression clones were generated. HDAC4 overexpression (Cal27_HDAC4) increased proliferation significantly compared to vector control cells (Cal27_VC). Chicken chorioallantoic membrane (CAM) studies confirmed the in vitro results: Cal27_HDAC4 tumors were slightly larger than tumors from Cal27_VC, and treatment with CHDI0039 resulted in a significant decrease in tumor size and weight of Cal27_HDAC4 but not Cal27_VC. Unlike class I/pan-HDACi, treatment with CHDI0039 had only a marginal impact on cisplatin cytotoxicity irrespective of HDAC4 and HDAC5 expression. In contrast, the combination of CHDI0039 with bortezomib was synergistic (Chou–Talalay) in MTT and caspase 3/7 activation experiments. RNAseq indicated that treatment with CHDI0039 alters the expression of genes whose up- or downregulation is associated with increased survival in HNSCC patients according to Kaplan–Meier data. We conclude that the combination of class IIa HDACi with proteasome inhibitors constitutes an effective treatment option for HNSCC, particularly for platinum-resistant cancers.
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10
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Targeting histone deacetylases for cancer therapy: Trends and challenges. Acta Pharm Sin B 2023. [DOI: 10.1016/j.apsb.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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11
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Ahamad S, Bhat SA. The Emerging Landscape of Small-Molecule Therapeutics for the Treatment of Huntington's Disease. J Med Chem 2022; 65:15993-16032. [PMID: 36490325 DOI: 10.1021/acs.jmedchem.2c00799] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Huntington's disease (HD) is a progressive neurodegenerative disorder caused by a CAG repeat expansion in the huntingtin gene (HTT). The new insights into HD's cellular and molecular pathways have led to the identification of numerous potent small-molecule therapeutics for HD therapy. The field of HD-targeting small-molecule therapeutics is accelerating, and the approval of these therapeutics to combat HD may be expected in the near future. For instance, preclinical candidates such as naphthyridine-azaquinolone, AN1, AN2, CHDI-00484077, PRE084, EVP4593, and LOC14 have shown promise for further optimization to enter into HD clinical trials. This perspective aims to summarize the advent of small-molecule therapeutics at various stages of clinical development for HD therapy, emphasizing their structure and design, therapeutic effects, and specific mechanisms of action. Further, we have highlighted the key drivers involved in HD pathogenesis to provide insights into the basic principle for designing promising anti-HD therapeutic leads.
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Affiliation(s)
- Shakir Ahamad
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh202002, India
| | - Shahnawaz A Bhat
- Department of Zoology, Aligarh Muslim University, Aligarh, Uttar Pradesh202002, India
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12
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Tamanini E, Miyamura S, Buck IM, Cons BD, Dawson L, East C, Futamura T, Goto S, Griffiths-Jones C, Hashimoto T, Heightman TD, Ishikawa S, Ito H, Kaneko Y, Kawato T, Kondo K, Kurihara N, McCarthy JM, Mori Y, Nagase T, Nakaishi Y, Reeks J, Sato A, Schöpf P, Tai K, Tamai T, Tisi D, Woolford AJA. Fragment-Based Discovery of a Novel, Brain Penetrant, Orally Active HDAC2 Inhibitor. ACS Med Chem Lett 2022; 13:1591-1597. [PMID: 36262388 PMCID: PMC9575179 DOI: 10.1021/acsmedchemlett.2c00272] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/31/2022] [Indexed: 11/29/2022] Open
Abstract
Fragment-based ligand discovery was successfully applied to histone deacetylase HDAC2. In addition to the anticipated hydroxamic acid- and benzamide-based fragment screening hits, a low affinity (∼1 mM) α-amino-amide zinc binding fragment was identified, as well as fragments binding to other regions of the catalytic site. This alternative zinc-binding fragment was further optimized, guided by the structural information from protein-ligand complex X-ray structures, into a sub-μM, brain penetrant, HDAC2 inhibitor (17) capable of modulating histone acetylation levels in vivo.
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Affiliation(s)
- Emiliano Tamanini
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Shin Miyamura
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Ildiko M. Buck
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Benjamin D. Cons
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Lee Dawson
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Charlotte East
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Takashi Futamura
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Shintaro Goto
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | | | - Tetsuya Hashimoto
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Tom D. Heightman
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Shunpei Ishikawa
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Hideki Ito
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Yosuke Kaneko
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Tatsuya Kawato
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Kazumi Kondo
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Naoki Kurihara
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - James M. McCarthy
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Yukiko Mori
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Tsuyoshi Nagase
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Yuichiro Nakaishi
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Judith Reeks
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Akimasa Sato
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Patrick Schöpf
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Kuninori Tai
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Taichi Tamai
- Otsuka
Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawauchi-cho, Tokushima 771-0192, Japan
| | - Dominic Tisi
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
| | - Alison J.-A. Woolford
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, U.K.
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13
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Macabuag N, Esmieu W, Breccia P, Jarvis R, Blackaby W, Lazari O, Urbonas L, Eznarriaga M, Williams R, Strijbosch A, Van de Bospoort R, Matthews K, Clissold C, Ladduwahetty T, Vater H, Heaphy P, Stafford DG, Wang HJ, Mangette JE, McAllister G, Beaumont V, Vogt TF, Wilkinson HA, Doherty EM, Dominguez C. Developing HDAC4-Selective Protein Degraders To Investigate the Role of HDAC4 in Huntington's Disease Pathology. J Med Chem 2022; 65:12445-12459. [PMID: 36098485 PMCID: PMC9512014 DOI: 10.1021/acs.jmedchem.2c01149] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 11/30/2022]
Abstract
Huntington's disease (HD) is a lethal autosomal dominant neurodegenerative disorder resulting from a CAG repeat expansion in the huntingtin (HTT) gene. The product of translation of this gene is a highly aggregation-prone protein containing a polyglutamine tract >35 repeats (mHTT) that has been shown to colocalize with histone deacetylase 4 (HDAC4) in cytoplasmic inclusions in HD mouse models. Genetic reduction of HDAC4 in an HD mouse model resulted in delayed aggregation of mHTT, along with amelioration of neurological phenotypes and extended lifespan. To further investigate the role of HDAC4 in cellular models of HD, we have developed bifunctional degraders of the protein and report the first potent and selective degraders of HDAC4 that show an effect in multiple cell lines, including HD mouse model-derived cortical neurons. These degraders act via the ubiquitin-proteasomal pathway and selectively degrade HDAC4 over other class IIa HDAC isoforms (HDAC5, HDAC7, and HDAC9).
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Affiliation(s)
- Natsuko Macabuag
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - William Esmieu
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Perla Breccia
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Rebecca Jarvis
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Wesley Blackaby
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Ovadia Lazari
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Liudvikas Urbonas
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Maria Eznarriaga
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Rachel Williams
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | | | | | - Kim Matthews
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Cole Clissold
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Tammy Ladduwahetty
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Huw Vater
- Discovery
from Charles River, Charles River, Chesterford Research Park, Saffron Walden CB10 1XL, U.K.
| | - Patrick Heaphy
- Curia, The Conventus Building, 1001 Main
Street, Buffalo, New York 14203, United States
| | - Douglas G. Stafford
- Curia, The Conventus Building, 1001 Main
Street, Buffalo, New York 14203, United States
| | - Hong-Jun Wang
- Curia, The Conventus Building, 1001 Main
Street, Buffalo, New York 14203, United States
| | - John E. Mangette
- Curia, The Conventus Building, 1001 Main
Street, Buffalo, New York 14203, United States
| | - George McAllister
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
| | - Vahri Beaumont
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
| | - Thomas F. Vogt
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
| | - Hilary A. Wilkinson
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
| | - Elizabeth M. Doherty
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
| | - Celia Dominguez
- CHDI
Management/CHDI Foundation, 6080 Center Drive, Los Angeles, California 90045, United States
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14
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Turkman N, Liu D, Pirola I. Design, synthesis, biochemical evaluation, radiolabeling and in vivo imaging with high affinity class-IIa histone deacetylase inhibitor for molecular imaging and targeted therapy. Eur J Med Chem 2022; 228:114011. [PMID: 34875522 PMCID: PMC8919062 DOI: 10.1016/j.ejmech.2021.114011] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 11/17/2022]
Abstract
Herein, we describe the design, synthesis and deciphering of the key characteristics of the structure activity relationship (SAR) of trifluoromethyloxadiazole (TFMO) bearing class-IIa HDAC inhibitors. Our medicinal chemistry campaign of 23 compounds identified compound 1 as a highly potent inhibitor with sub nM affinity to class-IIa HDAC4 isoform. Therefore, We radiolabeled compound 1 (named thereafter as NT160) with [18F]fluoride thus producing the identical [18F]-NT160 as a diagnostic tool for positron emission tomography (PET). [18F]-NT160 was produced in high radiochemical purity (>95%), moderate radiochemical yield (2−5%) and moderate molar activity in the range of 0.30−0.85 GBq/umol (8.0−23.0 mCi/umol). We also established that [18F]-NT160 can cross the blood brain barrier and bind to class-IIa HDACs in vivo. The combination of [18F]-NT160 and 1 represent a novel theranostic pair using the same molecule to enable diagnostic PET imaging with [18F]-NT160 followed by targeted therapy with NT160.
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Affiliation(s)
- Nashaat Turkman
- Stony Brook Cancer Center, Stony Brook, Long Island, NY, USA; Department of Radiology, School of Medicine, Stony Brook University, Long Island, NY, USA.
| | - Daxing Liu
- Stony Brook Cancer Center, Stony Brook, Long Island, NY, USA; Department of Radiology, School of Medicine, Stony Brook University, Long Island, NY, USA
| | - Isabella Pirola
- Stony Brook Cancer Center, Stony Brook, Long Island, NY, USA; Department of Radiology, School of Medicine, Stony Brook University, Long Island, NY, USA
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15
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Upadhyay N, Tilekar K, Safuan S, Kumar AP, Schweipert M, Meyer-Almes FJ, C S R. Multi-target weapons: diaryl-pyrazoline thiazolidinediones simultaneously targeting VEGFR-2 and HDAC cancer hallmarks. RSC Med Chem 2021; 12:1540-1554. [PMID: 34671737 PMCID: PMC8459325 DOI: 10.1039/d1md00125f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/10/2021] [Indexed: 12/14/2022] Open
Abstract
In anticancer drug discovery, multi-targeting compounds have been beneficial due to their advantages over single-targeting compounds. For instance, VEGFR-2 has a crucial role in angiogenesis and cancer management, whereas HDACs are well-known regulators of epigenetics and have been known to contribute significantly to angiogenesis and carcinogenesis. Herein, we have reported nineteen novel VEGFR-2 and HDAC dual-targeting analogs containing diaryl-pyrazoline thiazolidinediones and their in vitro and in vivo biological evaluation. In particular, the most promising compound 14c has emerged as a dual inhibitor of VEGFR-2 and HDAC. It demonstrated anti-angiogenic activity by inhibiting in vitro HUVEC proliferation, migration, and tube formation. Moreover, an in vivo CAM assay showed that 14c repressed new capillary formation in CAMs. In particular, 14c exhibited cytotoxicity potential on different cancer cell lines such as MCF-7, K562, A549, and HT-29. Additionally, 14c demonstrated significant potency and selectivity against HDAC4 in the sub-micromolar range. To materialize the hypothesis, we also performed molecular docking on the crystal structures of both VEGFR-2 (PDB ID: 1YWN) and HDAC4 (PDB-ID: 4CBY), which corroborated the designing and biological activity. The results indicated that compound 14c could be a potential lead to develop more optimized multi-target analogs with enhanced potency and selectivity.
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Affiliation(s)
- Neha Upadhyay
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
| | - Kalpana Tilekar
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
| | - Sabreena Safuan
- Universiti Sains Malaysia School of Health Sciences Health Campus Universiti Sains Malaysia 16150 Kubang Kerian Kelantan Malaysia
| | - Alan P Kumar
- Cancer Science Institute of Singapore, Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore Singapore
| | - Markus Schweipert
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt Germany
| | - Franz-Josef Meyer-Almes
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt Germany
| | - Ramaa C S
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
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16
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Tilekar K, Hess JD, Upadhyay N, Schweipert M, Flath F, Gutierrez DA, Loiodice F, Lavecchia A, Meyer‐Almes F, Aguilera RJ, Ramaa CS. HDAC4 Inhibitors with Cyclic Linker and Non‐hydroxamate Zinc Binding Group: Design, Synthesis, HDAC Screening and
in
vitro
Cytotoxicity evaluation. ChemistrySelect 2021. [DOI: 10.1002/slct.202102061] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Kalpana Tilekar
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy, Sector 8, CBD Belapur Navi Mumbai India
| | - Jessica D. Hess
- Cellular Characterization and Biorepository Core Facility Border Biomedical Research Center Department of Biological Sciences The University of Texas at El Paso 500 West University Avenue El Paso TX 79968-0519 USA
| | - Neha Upadhyay
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy, Sector 8, CBD Belapur Navi Mumbai India
| | - Markus Schweipert
- Department of Chemical Engineering and Biotechnology University of Applied Science Haardtring 100 64295 Darmstadt Germany
| | - Felix Flath
- Department of Chemical Engineering and Biotechnology University of Applied Science Haardtring 100 64295 Darmstadt Germany
| | - Denisse A. Gutierrez
- Cellular Characterization and Biorepository Core Facility Border Biomedical Research Center Department of Biological Sciences The University of Texas at El Paso 500 West University Avenue El Paso TX 79968-0519 USA
| | - Fulvio Loiodice
- Department of Pharmacy-Drug Science University of Bari “Aldo Moro” Via E. Orabona, 4 70126 Bari Italy
| | - Antonio Lavecchia
- Department of Pharmacy “Drug Discovery” Laboratory University of Napoli “Federico II” Via D. Montesano, 49 80131 Napoli Italy
| | - Franz‐Josef Meyer‐Almes
- Department of Chemical Engineering and Biotechnology University of Applied Science Haardtring 100 64295 Darmstadt Germany
| | - Renato J. Aguilera
- Cellular Characterization and Biorepository Core Facility Border Biomedical Research Center Department of Biological Sciences The University of Texas at El Paso 500 West University Avenue El Paso TX 79968-0519 USA
| | - C. S. Ramaa
- Department of Pharmaceutical Chemistry Bharati Vidyapeeth's College of Pharmacy, Sector 8, CBD Belapur Navi Mumbai India
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17
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El-Awady R, Saleh E, Hamoudi R, Ramadan WS, Mazitschek R, Nael MA, Elokely KM, Abou-Gharbia M, Childers WE, Srinivasulu V, Aloum L, Menon V, Al-Tel TH. Discovery of novel class of histone deacetylase inhibitors as potential anticancer agents. Bioorg Med Chem 2021; 42:116251. [PMID: 34116381 DOI: 10.1016/j.bmc.2021.116251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/12/2021] [Accepted: 05/28/2021] [Indexed: 12/12/2022]
Abstract
Selective inhibition of histone deacetylases (HDACs) is an important strategy in the field of anticancer drug discovery. However, lack of inhibitors that possess high selectivity toward certain HDACs isozymes is associated with adverse side effects that limits their clinical applications. We have initiated a collaborative initiatives between multi-institutions aimed at the discovery of novel and selective HDACs inhibitors. To this end, a phenotypic screening of an in-house pilot library of about 70 small molecules against various HDAC isozymes led to the discovery of five compounds that displayed varying degrees of HDAC isozyme selectivity. The anticancer activities of these molecules were validated using various biological assays including transcriptomic studies. Compounds 15, 14, and 19 possessed selective inhibitory activity against HDAC5, while 28 displayed selective inhibition of HDAC1 and HDAC2. Compound 22 was found to be a selective inhibitor for HDAC3 and HDAC9. Importantly, we discovered a none-hydroxamate based HDAC inhibitor, compound 28, representing a distinct chemical probe of HDAC inhibitors. It contains a trifluoromethyloxadiazolyl moiety (TFMO) as a non-chelating metal-binding group. The new compounds showed potent anti-proliferative activity when tested against MCF7 breast cancer cell line, as well as increased acetylation of histones and induce cells apoptosis. The new compounds apoptotic effects were validated through the upregulation of proapoptotic proteins caspases3 and 7 and downregulation of the antiapoptotic biomarkers C-MYC, BCL2, BCL3 and NFĸB genes. Furthermore, the new compounds arrested cell cycle at different phases, which was confirmed through downregulation of the CDK1, 2, 4, 6, E2F1 and RB1 proteins. Taken together, our findings provide the foundation for the development of new chemical probes as potential lead drug candidates for the treatment of cancer.
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Affiliation(s)
- Raafat El-Awady
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates; College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates.
| | - Ekram Saleh
- Cancer Biology Department, National Cancer Institute, Cairo University, Cairo 11796, Egypt
| | - Rifat Hamoudi
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates; College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Wafaa S Ramadan
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates; College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Ralph Mazitschek
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA 02114, United states
| | - Manal A Nael
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt; Institute for Computational Molecular Science, and Department of Chemistry, Temple University, Philadelphia, PA 19122, United States
| | - Khaled M Elokely
- Institute for Computational Molecular Science, and Department of Chemistry, Temple University, Philadelphia, PA 19122, United States
| | - Magid Abou-Gharbia
- Moulder Center for Drug Discovery Research, Department of Pharmaceutical Sciences, School of Pharmacy, Temple University, Phialadelphia, PA 19122, United States
| | - Wayne E Childers
- Moulder Center for Drug Discovery Research, Department of Pharmaceutical Sciences, School of Pharmacy, Temple University, Phialadelphia, PA 19122, United States
| | - Vunnam Srinivasulu
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Lujain Aloum
- Department of Pharmacology, College of Medicine and Health Sciences, Khalifa University of Science and Technology, Abu Dhabi 127788, United Arab Emirates
| | - Varsha Menon
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Taleb H Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates; College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates.
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18
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Novel late-stage radiosynthesis of 5-[18F]-trifluoromethyl-1,2,4-oxadiazole (TFMO) containing molecules for PET imaging. Sci Rep 2021; 11:10668. [PMID: 34021207 PMCID: PMC8139947 DOI: 10.1038/s41598-021-90069-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/05/2021] [Indexed: 12/26/2022] Open
Abstract
Small molecules that contain the (TFMO) moiety were reported to specifically inhibit the class-IIa histone deacetylases (HDACs), an important target in cancer and the disorders of the central nervous system (CNS). However, radiolabeling methods to incorporate the [18F]fluoride into the TFMO moiety are lacking. Herein, we report a novel late-stage incorporation of [18F]fluoride into the TFMO moiety in a single radiochemical step. In this approach the bromodifluoromethyl-1,2,4-oxadiazole was converted into [18F]TFMO via no-carrier-added bromine-[18F]fluoride exchange in a single step, thus producing the PET tracers with acceptable radiochemical yield (3–5%), high radiochemical purity (> 98%) and moderate molar activity of 0.33–0.49 GBq/umol (8.9–13.4 mCi/umol). We validated the utility of the novel radiochemical design by the radiosynthesis of [18F]TMP195, which is a known TFMO containing potent inhibitor of class-IIa HDACs.
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19
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Elmezayen AD, Al-Obaidi A, Yelekçi K. Discovery of novel isoform-selective histone deacetylases 5 and 9 inhibitors through combined ligand-based pharmacophore modeling, molecular mocking, and molecular dynamics simulations for cancer treatment. J Mol Graph Model 2021; 106:107937. [PMID: 34049193 DOI: 10.1016/j.jmgm.2021.107937] [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: 01/30/2021] [Revised: 04/13/2021] [Accepted: 04/26/2021] [Indexed: 11/17/2022]
Abstract
Class IIa histone deacetylases (HDACs) 5 and 9 play crucial roles in several human disorders such as cancer, making them important targets for drug design. Continuous research is pursed to overcome the cytotoxicity side effect that comes with the currently available broad-spectrum HDACs inhibitors. Herein, common features of active HDACs inhibitors in clinical trials and use have been calculated to generate the best pharmacophore hypothesis. Guner-Henry scoring system was used to validate the generated hypotheses. Hypo1 of HDAC5 and Hypo2 of HDAC9 exhibited the most statistically significance hypotheses. Compounds with fit value of 3 and more were examined by QuickVina 2 docking tool to calculate their binding affinity toward all class IIa HDACs. A total of 6 potential selective compounds were subjected to 100 molecular dynamics (MD) simulation to examine their binding modes. The free binding energy calculations were computed according to the MM-PBSA method. Proposed selective compounds displayed good stability with their targets and thus they may offer potent leads for the designing of HDAC5 and HDAC9 isoform selective inhibitors.
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Affiliation(s)
- Ammar D Elmezayen
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083, Istanbul, Turkey.
| | - Anas Al-Obaidi
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083, Istanbul, Turkey.
| | - Kemal Yelekçi
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083, Istanbul, Turkey.
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20
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Elmezayen AD, Kemal Y. Structure-based virtual screening for novel potential selective inhibitors of class IIa histone deacetylases for cancer treatment. Comput Biol Chem 2021; 92:107491. [PMID: 33930743 DOI: 10.1016/j.compbiolchem.2021.107491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 10/21/2022]
Abstract
The fundamental cause of human cancer is strongly influenced by down- or up-regulations of epigenetic factors. Upregulated histone deacetylases (HDAC) have been shown to be effectively neutralized by the action of HDACs inhibitors (HDACi). However, cytotoxicity has been reported in normal cells because of non-specificity of several available HDACis that are in clinical use or at different phases of clinical trials. Because of the high amino acid sequence and structural similarity among HDAC enzymes, it is believed to be a challenging task to obtain isoform-selectivity. The essential aim of the present research work was to identify isoform-selective inhibitors against class IIa HDACs via structure-based drug design. Based on the highest binding affinity and isoform-selectivity, the top-ranked inhibitors were in silico tested for their absorption, distribution, metabolism, elimination, and toxicity (ADMET) properties, which were classified as drug-like compounds. Later, molecular dynamics simulation (MD) was carried out for all compound-protein complexes to evaluate the structural stability and the biding mode of the inhibitors, which showed high stability throughout the 100 ns simulation. Free binding energy predictions by MM-PBSA method showed the high binding affinity of the identified compounds toward their respective targets. Hence, these inhibitors could be used as drug candidates or as lead compounds for more in silico or in vitro optimization to design safe isoform-selective HDACs inhibitors.
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Affiliation(s)
- Ammar D Elmezayen
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083, Cibali, Istanbul, Turkey
| | - Yelekçi Kemal
- Department of Bioinformatics and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083, Cibali, Istanbul, Turkey.
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21
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Stott AJ, Maillard MC, Beaumont V, Allcock D, Aziz O, Borchers AH, Blackaby W, Breccia P, Creighton-Gutteridge G, Haughan AF, Jarvis RE, Luckhurst CA, Matthews KL, McAllister G, Pollack S, Saville-Stones E, Van de Poël AJ, Vater HD, Vann J, Williams R, Yates D, Muñoz-Sanjuán I, Dominguez C. Evaluation of 5-(Trifluoromethyl)-1,2,4-oxadiazole-Based Class IIa HDAC Inhibitors for Huntington's Disease. ACS Med Chem Lett 2021; 12:380-388. [PMID: 33738065 DOI: 10.1021/acsmedchemlett.0c00532] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 02/03/2021] [Indexed: 12/25/2022] Open
Abstract
Using an iterative structure-activity relationship driven approach, we identified a CNS-penetrant 5-(trifluoromethyl)-1,2,4-oxadiazole (TFMO, 12) with a pharmacokinetic profile suitable for probing class IIa histone deacetylase (HDAC) inhibition in vivo. Given the lack of understanding of endogenous class IIa HDAC substrates, we developed a surrogate readout to measure compound effects in vivo, by exploiting the >100-fold selectivity compound 12 exhibits over class I/IIb HDACs. We achieved adequate brain exposure with compound 12 in mice to estimate a class I/IIb deacetylation EC50, using class I substrate H4K12 acetylation and global acetylation levels as a pharmacodynamic readout. We observed excellent correlation between the compound 12 in vivo pharmacodynamic response and in vitro class I/IIb cellular activity. Applying the same relationship to class IIa HDAC inhibition, we estimated the compound 12 dose required to inhibit class IIa HDAC activity, for use in preclinical models of Huntington's disease.
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Affiliation(s)
- Andrew J. Stott
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Michel C. Maillard
- CHDI Management/CHDI Foundation Inc., 6080 Center Drive, Suite 700, Los Angeles, California 90045, United States
| | - Vahri Beaumont
- CHDI Management/CHDI Foundation Inc., 6080 Center Drive, Suite 700, Los Angeles, California 90045, United States
| | - David Allcock
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Omar Aziz
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Alexander H. Borchers
- CHDI Management/CHDI Foundation Inc., 6080 Center Drive, Suite 700, Los Angeles, California 90045, United States
| | - Wesley Blackaby
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Perla Breccia
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | | | - Alan F. Haughan
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Rebecca E. Jarvis
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Christopher A. Luckhurst
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Kim L. Matthews
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - George McAllister
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Scott Pollack
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Elizabeth Saville-Stones
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Amanda J. Van de Poël
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Huw D. Vater
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Julie Vann
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Rachel Williams
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Dawn Yates
- Charles River Discovery, Chesterford Research Park, Saffron Walden, Essex CB10 1XL, United Kingdom
| | - Ignacio Muñoz-Sanjuán
- CHDI Management/CHDI Foundation Inc., 6080 Center Drive, Suite 700, Los Angeles, California 90045, United States
| | - Celia Dominguez
- CHDI Management/CHDI Foundation Inc., 6080 Center Drive, Suite 700, Los Angeles, California 90045, United States
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22
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Melesina J, Simoben CV, Praetorius L, Bülbül EF, Robaa D, Sippl W. Strategies To Design Selective Histone Deacetylase Inhibitors. ChemMedChem 2021; 16:1336-1359. [PMID: 33428327 DOI: 10.1002/cmdc.202000934] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Indexed: 12/15/2022]
Abstract
This review classifies drug-design strategies successfully implemented in the development of histone deacetylase (HDAC) inhibitors, which have many applications including cancer treatment. Our focus is on especially demanded selective HDAC inhibitors and their structure-activity relationships in relation to corresponding protein structures. The main part of the paper is divided into six subsections each narrating how optimization of one of six structural features can influence inhibitor selectivity. It starts with the impact of the zinc binding group on selectivity, continues with the optimization of the linker placed in the substrate binding tunnel as well as the adjustment of the cap group interacting with the surface of the protein, and ends with the addition of groups targeting class-specific sub-pockets: the side-pocket-, lower-pocket- and foot-pocket-targeting groups. The review is rounded off with a conclusion and an outlook on the future of HDAC inhibitor design.
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Affiliation(s)
- Jelena Melesina
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
| | - Conrad V Simoben
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
| | - Lucas Praetorius
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
| | - Emre F Bülbül
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
| | - Dina Robaa
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
| | - Wolfgang Sippl
- Institute of Pharmacy, Martin Luther University of Halle - Wittenberg, Kurt Mothes Straße 3, 06120, Halle (Saale), Germany
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23
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Mak JYW, Wu KC, Gupta PK, Barbero S, McLaughlin MG, Lucke AJ, Tng J, Lim J, Loh Z, Sweet MJ, Reid RC, Liu L, Fairlie DP. HDAC7 Inhibition by Phenacetyl and Phenylbenzoyl Hydroxamates. J Med Chem 2021; 64:2186-2204. [PMID: 33570940 DOI: 10.1021/acs.jmedchem.0c01967] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The zinc-containing histone deacetylase enzyme HDAC7 is emerging as an important regulator of immunometabolism and cancer. Here, we exploit a cavity in HDAC7, filled by Tyr303 in HDAC1, to derive new inhibitors. Phenacetyl hydroxamates and 2-phenylbenzoyl hydroxamates bind to Zn2+ and are 50-2700-fold more selective inhibitors of HDAC7 than HDAC1. Phenylbenzoyl hydroxamates are 30-70-fold more potent HDAC7 inhibitors than phenacetyl hydroxamates, which is attributed to the benzoyl aromatic group interacting with Phe679 and Phe738. Phthalimide capping groups, including a saccharin analogue, decrease rotational freedom and provide hydrogen bond acceptor carbonyl/sulfonamide oxygens that increase inhibitor potency, liver microsome stability, solubility, and cell activity. Despite being the most potent HDAC7 inhibitors to date, they are not selective among class IIa enzymes. These strategies may help to produce tools for interrogating HDAC7 biology related to its catalytic site.
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Affiliation(s)
- Jeffrey Y W Mak
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Kai-Chen Wu
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Praveer K Gupta
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Sheila Barbero
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Maddison G McLaughlin
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Andrew J Lucke
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jiahui Tng
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Junxian Lim
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Zhixuan Loh
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Matthew J Sweet
- Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Robert C Reid
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Ligong Liu
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - David P Fairlie
- Division of Chemistry and Structural Biology, The University of Queensland, Brisbane, Queensland 4072, Australia.,Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia.,Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia
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24
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Mangiatordi GF, Intranuovo F, Delre P, Abatematteo FS, Abate C, Niso M, Creanza TM, Ancona N, Stefanachi A, Contino M. Cannabinoid Receptor Subtype 2 (CB2R) in a Multitarget Approach: Perspective of an Innovative Strategy in Cancer and Neurodegeneration. J Med Chem 2020; 63:14448-14469. [PMID: 33094613 DOI: 10.1021/acs.jmedchem.0c01357] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The cannabinoid receptor subtype 2 (CB2R) represents an interesting and new therapeutic target for its involvement in the first steps of neurodegeneration as well as in cancer onset and progression. Several studies, focused on different types of tumors, report a promising anticancer activity induced by CB2R agonists due to their ability to reduce inflammation and cell proliferation. Moreover, in neuroinflammation, the stimulation of CB2R, overexpressed in microglial cells, exerts beneficial effects in neurodegenerative disorders. With the aim to overcome current treatment limitations, new drugs can be developed by specifically modulating, together with CB2R, other targets involved in such multifactorial disorders. Building on successful case studies of already developed multitarget strategies involving CB2R, in this Perspective we aim at prompting the scientific community to consider new promising target associations involving HDACs (histone deacetylases) and σ receptors by employing modern approaches based on molecular hybridization, computational polypharmacology, and machine learning algorithms.
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Affiliation(s)
| | - Francesca Intranuovo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
| | - Pietro Delre
- CNR-Institute of Crystallography, Via Amendola 122/o, 70126 Bari, Italy.,Dipartimento di Chimica, Università degli Studi di Bari Aldo Moro, 70125 Bari, Italy
| | - Francesca Serena Abatematteo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
| | - Teresa Maria Creanza
- CNR-Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, Via Amendola 122/o, 70126 Bari, Italy
| | - Nicola Ancona
- CNR-Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, Via Amendola 122/o, 70126 Bari, Italy
| | - Angela Stefanachi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, 70125 Bari, Italy
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25
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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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26
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Abstract
It is now 30 years since the first report of a potent zinc-dependent histone deacetylase (HDAC) inhibitor appeared. Since then, five HDAC inhibitors have received regulatory approval for cancer chemotherapy while many others are in clinical development for oncology as well as other therapeutic indications. This Perspective reviews the biological and medicinal chemistry advances over the past 3 decades with an emphasis on the design of selective inhibitors that discriminate between the 11 human HDAC isoforms.
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Affiliation(s)
- Terence C S Ho
- School of Pharmacy, University of East Anglia, Norwich NR4 7TJ, United Kingdom
| | - Alex H Y Chan
- School of Pharmacy, University of East Anglia, Norwich NR4 7TJ, United Kingdom
| | - A Ganesan
- School of Pharmacy, University of East Anglia, Norwich NR4 7TJ, United Kingdom
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27
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Rodrigues DA, Pinheiro PDSM, Sagrillo FS, Bolognesi ML, Fraga CAM. Histone deacetylases as targets for the treatment of neurodegenerative disorders: Challenges and future opportunities. Med Res Rev 2020; 40:2177-2211. [DOI: 10.1002/med.21701] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 06/02/2020] [Accepted: 06/09/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Daniel A. Rodrigues
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Química, Instituto de Química Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
| | - Pedro de S. M. Pinheiro
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
| | - Fernanda S. Sagrillo
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
| | - Maria L. Bolognesi
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
| | - Carlos A. M. Fraga
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Química, Instituto de Química Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Programa de Pós‐Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil
- Department of Pharmacy and Biotechnology Alma Mater Studiorum‐University of Bologna Bologna Italy
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28
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Amin SA, Banerjee S, Adhikari N, Jha T. Discriminations of active from inactive HDAC8 inhibitors Part II: Bayesian classification study to find molecular fingerprints. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2020; 31:245-260. [PMID: 32073312 DOI: 10.1080/1062936x.2020.1723136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 01/26/2020] [Indexed: 06/10/2023]
Abstract
In continuation of our earlier work (Doi: 10.1080/07391102.2019.1661876), a statistically validated and robust Bayesian model was developed on a large diverse set of HDAC8 inhibitors. The training set comprised of 676 small molecules and 293 compounds were considered as test set molecules. The findings of this analysis will help to explore some major directions regarding the HDAC8 inhibitor designing approach. Acrylamide (G1-G3, G9), N-substituted 2-phenylimidazole (G4-G8, G9, G12-G13, G16-G19), benzimidazole (G10-G11), piperidine substituted pyrrole (G13-G14) groups, alkyl/aryl amide (G15) and aryloxy carboxamide (G20) fingerprints were found to play a crucial role in HDAC8 inhibitory activity whereas -CH-N=CH- (B1, B4-B6, B14) motif, benzamide (B2-B3, B9-B13, B16-B17) groups and heptazepine (B7-B8, B15, B18-B20) group were found to influence negatively the HDAC8 inhibitory activity. The importance of such fingerprints was further validated by the HDAC8 enzyme and related inhibitor interactions at the receptor level. These results are in close agreement with those of our previous work that validate each other. Moreover, this comparative learning may enrich future endeavours regarding the designing strategy of HDAC8 inhibitors.
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Affiliation(s)
- S A Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - S Banerjee
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - N Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - T Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
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29
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Suhendra D, Ryantin Gunawan E, Hajidi H. Synthesis and Characterization of N-Methyl Fatty Hydroxamic Acids from Ketapang Seed Oil Catalyzed by Lipase. Molecules 2019; 24:molecules24213895. [PMID: 31671840 PMCID: PMC6865262 DOI: 10.3390/molecules24213895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/20/2019] [Accepted: 10/25/2019] [Indexed: 11/22/2022] Open
Abstract
N-methyl fatty hydroxamic acid (N-MFHA), which is a derivative of hydroxamic acid (HA), was synthesized from ketapang seed oil (Terminalia catappa L.). In general, HAs have wide applications due to their chelating properties and biological activities. N-MFHAs were synthesized using immobilized lipase (Lipozyme TL IM) in biphasic medium which was the ketapang seed oil dissolved in hexane and N-methylhydroxylamine dissolved in water. The products were characterized through color testing and FT-IR spectroscopy after purification. Various factors affecting the enzyme activity investigated in the study included the effect of incubation time, the amount of lipase used, and the temperature. On the basis of the results, the optimum conditions for the synthesis of N-MFHA obtained are 25 h of incubation time, a temperature of 40 °C, and a ratio of 1:100 for the amount of enzyme (g)/oil (g). At the optimum conditions of the reaction, 59.7% of the oils were converted to N-MFHA.
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Affiliation(s)
- Dedy Suhendra
- Chemistry Department, Faculty of Mathematics and Natural Science, University of Mataram, Mataram 83125, Indonesia.
| | - Erin Ryantin Gunawan
- Chemistry Department, Faculty of Mathematics and Natural Science, University of Mataram, Mataram 83125, Indonesia.
| | - Hajidi Hajidi
- Chemistry Department, Faculty of Mathematics and Natural Science, University of Mataram, Mataram 83125, Indonesia.
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30
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Choi MA, Park SY, Chae HY, Song Y, Sharma C, Seo YH. Design, synthesis and biological evaluation of a series of CNS penetrant HDAC inhibitors structurally derived from amyloid-β probes. Sci Rep 2019; 9:13187. [PMID: 31515509 PMCID: PMC6742641 DOI: 10.1038/s41598-019-49784-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 08/19/2019] [Indexed: 12/17/2022] Open
Abstract
To develop novel CNS penetrant HDAC inhibitors, a new series of HDAC inhibitors having benzoheterocycle were designed, synthesized, and biologically evaluated. Among the synthesized compounds, benzothiazole derivative 9b exhibited a remarkable anti-proliferative activity (GI50 = 2.01 μM) against SH-SY5Y cancer cell line in a dose and time-dependent manner, better than the reference drug SAHA (GI50 = 2.90 μM). Moreover, compound 9b effectively promoted the accumulation of acetylated Histone H3 and α-tubulin through inhibition of HDAC1 and HDAC6 enzymes, respectively. HDAC enzyme assay also confirmed that compound 9b efficiently inhibited HDAC1 and HDAC6 isoforms with IC50 values of 84.9 nM and 95.9 nM. Furthermore, compound 9b inhibited colony formation capacity of SH-SY5Y cells, which is considered a hallmark of cell carcinogenesis and metastatic potential. The theoretical prediction, in vitro PAMPA-BBB assay, and in vivo brain pharmacokinetic studies confirmed that compound 9b had much higher BBB permeability than SAHA. In silico docking study demonstrated that compound 9b fitted in the substrate binding pocket of HDAC1 and HDAC6. Taken together, compound 9b provided a novel scaffold for developing CNS penetrant HDAC inhibitors and therapeutic potential for CNS-related diseases.
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Affiliation(s)
- Myeong A Choi
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | - Sun You Park
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | - Hye Yun Chae
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | - Yoojin Song
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea
| | | | - Young Ho Seo
- College of Pharmacy, Keimyung University, Daegu, 42601, South Korea.
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31
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Asfaha Y, Schrenk C, Alves Avelar LA, Hamacher A, Pflieger M, Kassack MU, Kurz T. Recent advances in class IIa histone deacetylases research. Bioorg Med Chem 2019; 27:115087. [PMID: 31561937 DOI: 10.1016/j.bmc.2019.115087] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/25/2019] [Accepted: 09/03/2019] [Indexed: 12/16/2022]
Abstract
Epigenetic control plays an important role in gene regulation through chemical modifications of DNA and post-translational modifications of histones. An essential post-translational modification is the histone acetylation/deacetylation-process which is regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). The mammalian zinc dependent HDAC family is subdivided into three classes: class I (HDACs 1-3, 8), class II (IIa: HDACs 4, 5, 7, 9; IIb: HDACs 6, 10) and class IV (HDAC 11). In this review, recent studies on the biological role and regulation of class IIa HDACs as well as their contribution in neurodegenerative diseases, immune disorders and cancer will be presented. Furthermore, the development, synthesis, and future perspectives of selective class IIa inhibitors will be highlighted.
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Affiliation(s)
- Yodita Asfaha
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Christian Schrenk
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Leandro A Alves Avelar
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Alexandra Hamacher
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Marc Pflieger
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Matthias U Kassack
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany.
| | - Thomas Kurz
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany.
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