1
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Stopper D, de Carvalho LP, de Souza ML, Kponomaizoun CE, Winzeler EA, Held J, Hansen FK. Development of peptoid-based heteroaryl-decorated histone deacetylase (HDAC) inhibitors with dual-stage antiplasmodial activity. Eur J Med Chem 2024; 277:116782. [PMID: 39208744 DOI: 10.1016/j.ejmech.2024.116782] [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: 04/10/2024] [Revised: 08/09/2024] [Accepted: 08/15/2024] [Indexed: 09/04/2024]
Abstract
Dynamics of epigenetic modifications such as acetylation and deacetylation of histone proteins have been shown to be crucial for the life cycle development and survival of Plasmodium falciparum, the deadliest malaria parasite. In this study, we present a novel series of peptoid-based histone deacetylase (HDAC) inhibitors incorporating nitrogen-containing bicyclic heteroaryl residues as a new generation of antiplasmodial peptoid-based HDAC inhibitors. We synthesized the HDAC inhibitors by an efficient multicomponent protocol based on the Ugi four-component reaction. The subsequent screening of 16 compounds from our mini-library identified 6i as the most promising candidate, demonstrating potent activity against asexual blood-stage parasites (IC50Pf3D7 = 30 nM; IC50PfDd2 = 98 nM), low submicromolar activity against liver-stage parasites (IC50PbEEF = 0.25 μM), excellent microsomal stability (t1/2 > 60 min), and low cytotoxicity to HEK293 cells (IC50 = 136 μM).
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Affiliation(s)
- Daniel Stopper
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, 53121, Bonn, Germany
| | | | - Mariana Laureano de Souza
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA 92093, United States
| | - Cindy-Esther Kponomaizoun
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, 53121, Bonn, Germany
| | - Elizabeth A Winzeler
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA 92093, United States
| | - Jana Held
- Institute of Tropical Medicine, University of Tübingen, 72074, Tübingen, Germany; German Center for Infection Research, Partner Site Tübingen, Tübingen, Germany; Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
| | - Finn K Hansen
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, 53121, Bonn, Germany.
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2
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Bhakta A, Mukhtar S, Anwar S, Haider S, Alahmdi MI, Parveen H, Alsharif MA, Wani MY, Chakrabarty A, Hassan MI, Ahmed N. Design, synthesis, molecular docking and anti-proliferative activity of novel phenothiazine containing imidazo[1,2- a]pyridine derivatives against MARK4 protein. RSC Med Chem 2024; 15:1942-1958. [PMID: 38911173 PMCID: PMC11187548 DOI: 10.1039/d4md00059e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/10/2024] [Indexed: 06/25/2024] Open
Abstract
A series of novel phenothiazine-containing imidazo[1,2-a]pyridine derivatives were designed and synthesized under metal-free conditions in excellent yield. These derivatives were effectively transformed further into N-alkyl, sulfoxide, and sulfone derivatives. Derivatives were deployed against human microtubule affinity regulating kinase (MARK4), some molecules play crucial roles in cell-cycle progression such as G1/S transition and regulator of microtubule dynamics. Hence, molecules have shown excellent MARK4 inhibitory potential. Molecules with excellent IC50 values were selected for further studies such as ligand interactions using fluorescence quenching experiments for the binding constant. The highest binding constant was calculated as K = 0.79 × 105 and K = 0.1 × 107 for compounds 6a and 6h, respectively. Molecular docking, cell cytotoxicity, mitochondrial reactive oxygen species measurement and oxidative DNA damage were also studied to understand the mechanism of action of the molecules on cancer cells. It was found that the designed and synthesized compounds played anti-cancer roles by binding and inhibiting MARK4 protein.
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Affiliation(s)
- Avijit Bhakta
- Department of Chemistry, Indian Institute of Technology Roorkee Roorkee-247 667 U.K. India
| | - Sayeed Mukhtar
- Department of Chemistry, Faculty of Science, University of Tabuk Tabuk 71491 Saudi Arabia
| | - Saleha Anwar
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia New Delhi India
| | - Shaista Haider
- Department of Life Sciences, Shiv Nadar University Uttar Pradesh 201314 India
| | - Mohammed Issa Alahmdi
- Department of Chemistry, Faculty of Science, University of Tabuk Tabuk 71491 Saudi Arabia
| | - Humaira Parveen
- Department of Chemistry, Faculty of Science, University of Tabuk Tabuk 71491 Saudi Arabia
| | - Meshari A Alsharif
- Chemistry Department, Faculty of Applied Science, Umm Al-Qura University Makkah Saudi
| | - Mohmmad Younus Wani
- Department of Chemistry, College of Science, University of Jeddah 21589 Jeddah Saudi Arabia
| | | | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia New Delhi India
| | - Naseem Ahmed
- Department of Chemistry, Indian Institute of Technology Roorkee Roorkee-247 667 U.K. India
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3
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Tretbar M, Schliehe-Diecks J, von Bredow L, Tan K, Roatsch M, Tu JW, Kemkes M, Sönnichsen M, Schöler A, Borkhardt A, Bhatia S, Hansen FK. Preferential HDAC6 inhibitors derived from HPOB exhibit synergistic antileukemia activity in combination with decitabine. Eur J Med Chem 2024; 272:116447. [PMID: 38714044 DOI: 10.1016/j.ejmech.2024.116447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/22/2024] [Accepted: 04/22/2024] [Indexed: 05/09/2024]
Abstract
Histone deacetylase 6 (HDAC6) is an emerging drug target to treat oncological and non-oncological conditions. Since highly selective HDAC6 inhibitors display limited anticancer activity when used as single agent, they usually require combination therapies with other chemotherapeutics. In this work, we synthesized a mini library of analogues of the preferential HDAC6 inhibitor HPOB in only two steps via an Ugi four-component reaction as the key step. Biochemical HDAC inhibition and cell viability assays led to the identification of 1g (highest antileukemic activity) and 2b (highest HDAC6 inhibition) as hit compounds. In subsequent combination screens, both 1g and especially 2b showed synergy with DNA methyltransferase inhibitor decitabine in acute myeloid leukemia (AML). Our findings highlight the potential of combining HDAC6 inhibitors with DNA methyltransferase inhibitors as a strategy to improve AML treatment outcomes.
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Affiliation(s)
- Maik Tretbar
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Julian Schliehe-Diecks
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Lukas von Bredow
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Kathrin Tan
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Martin Roatsch
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Jia-Wey Tu
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Marie Kemkes
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Melf Sönnichsen
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Andrea Schöler
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany
| | - Sanil Bhatia
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Germany.
| | - Finn K Hansen
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany.
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4
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Kraft FB, Enns J, Honin I, Engelhardt J, Schöler A, Smith ST, Meiler J, Schäker-Hübner L, Weindl G, Hansen FK. Groebke Blackburn Bienaymé-mediated multi-component synthesis of selective HDAC6 inhibitors with anti-inflammatory properties. Bioorg Chem 2024; 143:107072. [PMID: 38185013 DOI: 10.1016/j.bioorg.2023.107072] [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: 10/09/2023] [Revised: 12/19/2023] [Accepted: 12/27/2023] [Indexed: 01/09/2024]
Abstract
Histone deacetylases (HDACs) are a class of enzymes that cleave acyl groups from lysine residues of histone and non-histone proteins. There are 18 human HDAC isoforms with different cellular targets and functions. Among them, HDAC6 was found to be overexpressed in different types of cancer. However, when used in monotherapy, HDAC6 inhibition by selective inhibitors fails to show pronounced anti-cancer effects. The HDAC6 enzyme also addresses non-histone proteins like α-tubulin and cortactin, making it important for cell migration and angiogenesis. Recently, the NLRP3 inflammasome was identified as an important regulator of inflammation and immune responses and, importantly, HDAC6 is critically involved the activation of the inflammasome. We herein report the design, synthesis and biological evaluation of a library of selective HDAC6 inhibitors. Starting from the previously published crystal structure of MAIP-032 in complex with CD2 of zHDAC6, we performed docking studies to evaluate additional possible interactions of the cap group with the L1-loop pocket. Based on the results we synthesized 13 novel HDAC6 inhibitors via the Groebke-Blackburn-Bienaymé three component reaction as the key step. Compounds 8k (HDAC1 IC50: 5.87 μM; HDAC6 IC50: 0.024 μM; selectivity factor (SF1/6): 245) and 8m (HDAC1 IC50: 3.07 μM; HDAC6 IC50: 0.026 μM; SF1/6: 118) emerged as the most potent and selective inhibitors of HDAC6 and outperformed the lead structure MAIP-032 (HDAC1 IC50: 2.20 μM; HDAC6 IC50: 0.058 μM; SF1/6: 38) both in terms of inhibitory potency and selectivity. Subsequent immunoblot analysis confirmed the high selectivity of 8k and 8m for HDAC6 in a cellular environment. While neither 8k and 8m nor the selectivity HDAC6 inhibitor tubastatin A showed antiproliferative effects in the U-87 MG glioblastoma cell line, compound 8m attenuated cell migration significantly in wound healing assays in U-87 MG cells. Moreover, in macrophages compounds 8k and 8m demonstrated significant inhibition of LPS-induced IL1B mRNA expression and TNF release. These findings suggest that our imidazo[1,2-a]pyridine-capped HDAC6 inhibitors may serve as promising candidates for the development of drugs to effectively treat NLRP3 inflammasome-driven inflammatory diseases.
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Affiliation(s)
- Fabian B Kraft
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Jana Enns
- Department of Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Gerhard-Domagk-Str.3, 53121 Bonn, Germany
| | - Irina Honin
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Jonas Engelhardt
- Department of Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Gerhard-Domagk-Str.3, 53121 Bonn, Germany
| | - Andrea Schöler
- Institute for Drug Discovery, Medicinal Faculty, University Leipzig, Brüderstraße 34, 04103 Leipzig, Germany
| | - Shannon T Smith
- Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
| | - Jens Meiler
- Institute for Drug Discovery, Medicinal Faculty, University Leipzig, Brüderstraße 34, 04103 Leipzig, Germany; Center for Structural Biology, Vanderbilt University, Nashville, TN 37240, USA
| | - Linda Schäker-Hübner
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Günther Weindl
- Department of Pharmacology and Toxicology, Pharmaceutical Institute, University of Bonn, Gerhard-Domagk-Str.3, 53121 Bonn, Germany
| | - Finn K Hansen
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany.
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5
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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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6
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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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7
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Li S, Zhao C, Zhang G, Xu Q, Liu Q, Zhao W, James Chou C, Zhang Y. Development of selective HDAC6 inhibitors with in vitro and in vivo anti-multiple myeloma activity. Bioorg Chem 2021; 116:105278. [PMID: 34474303 DOI: 10.1016/j.bioorg.2021.105278] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/11/2021] [Accepted: 08/16/2021] [Indexed: 12/24/2022]
Abstract
Histone deacetylase 6 (HDAC6) is a promising therapeutic target for the treatment of cancers, neurodegenerative diseases and autoimmune disorders. Herein a novel series of pyrrolo[2,3-d]pyrimidine-based HDAC inhibitors were designed, synthesized and biologically evaluated, among which compounds 7a, 12a1, and 16a1 exhibited potent inhibitory activities and selectivities against HDAC6. Notably, compared with the well-known HDAC6 inhibitor Tubastatin A, our pyrrolo[2,3-d]pyrimidine-based HDAC6 inhibitors showed superior in vitro antiproliferative activity against human multiple myeloma cell lines RPMI 8226, U266 and MM.1S, while maintaining the low cytotoxicity against human breast cancer cell line MDA-MB-231 and two normal cell lines. The HDAC6 selective inhibition of one representative compound 12a1 in RPMI 8226 cells was confirmed by western blot analysis. Although pyrrolo[2,3-d]pyrimidine is a privileged structure in many kinase inhibitors, compound 12a1 showed negligible inhibition against several kinases including JAK family members and Akt1, indicating its acceptable off-target profile. Besides, compound 12a1 exhibited desirable metabolic stability in mouse liver microsome. The in vivo anti-multiple myeloma potency of 12a1, alone and in combination with bortezomib, was demonstrated in a RPMI 8226 xenograft model.
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MESH Headings
- Animals
- Antineoplastic Agents/chemical synthesis
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Cell Survival/drug effects
- Dose-Response Relationship, Drug
- Drug Development
- Drug Screening Assays, Antitumor
- Histone Deacetylase 6/antagonists & inhibitors
- Histone Deacetylase 6/metabolism
- Histone Deacetylase Inhibitors/chemical synthesis
- Histone Deacetylase Inhibitors/chemistry
- Histone Deacetylase Inhibitors/pharmacology
- Humans
- Male
- Mice
- Mice, Inbred BALB C
- Mice, Nude
- Microsomes, Liver/chemistry
- Microsomes, Liver/metabolism
- Molecular Structure
- Multiple Myeloma/drug therapy
- Multiple Myeloma/metabolism
- Multiple Myeloma/pathology
- Neoplasms, Experimental/drug therapy
- Neoplasms, Experimental/metabolism
- Neoplasms, Experimental/pathology
- Structure-Activity Relationship
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Affiliation(s)
- Shunda Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - Chunlong Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - Guozhen Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - Qifu Xu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - Qian Liu
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - Wei Zhao
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China
| | - C James Chou
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, Medical University of South Carolina, Charleston, South Carolina 29425, United States
| | - Yingjie Zhang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Ji'nan, Shandong 250012, PR China.
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8
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Sharma P, LaRosa C, Antwi J, Govindarajan R, Werbovetz KA. Imidazoles as Potential Anticancer Agents: An Update on Recent Studies. Molecules 2021; 26:molecules26144213. [PMID: 34299488 PMCID: PMC8307698 DOI: 10.3390/molecules26144213] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022] Open
Abstract
Nitrogen-containing heterocyclic rings are common structural components of marketed drugs. Among these heterocycles, imidazole/fused imidazole rings are present in a wide range of bioactive compounds. The unique properties of such structures, including high polarity and the ability to participate in hydrogen bonding and coordination chemistry, allow them to interact with a wide range of biomolecules, and imidazole-/fused imidazole-containing compounds are reported to have a broad spectrum of biological activities. This review summarizes recent reports of imidazole/fused imidazole derivatives as anticancer agents appearing in the peer-reviewed literature from 2018 through 2020. Such molecules have been shown to modulate various targets, including microtubules, tyrosine and serine-threonine kinases, histone deacetylases, p53-Murine Double Minute 2 (MDM2) protein, poly (ADP-ribose) polymerase (PARP), G-quadraplexes, and other targets. Imidazole-containing compounds that display anticancer activity by unknown/undefined mechanisms are also described, as well as key features of structure-activity relationships. This review is intended to provide an overview of recent advances in imidazole-based anticancer drug discovery and development, as well as inspire the design and synthesis of new anticancer molecules.
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Affiliation(s)
- Pankaj Sharma
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Chris LaRosa
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
| | - Janet Antwi
- Division of Mathematics, Computer & Natural Sciences Division, Ohio Dominican University, Columbus, OH 43219, USA;
| | - Rajgopal Govindarajan
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA;
| | - Karl A. Werbovetz
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA; (P.S.); (C.L.)
- Correspondence:
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9
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Singh D, Chowdhury SR, Pramanik S, Maity S. Molecular iodine enabled generation of iminyl radicals from oximes: A facile route to imidazo[1,2-a]pyridines and its regioselective C-3 sulfenylated products from simple pyridines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Olaoye OO, Watson PR, Nawar N, Geletu M, Sedighi A, Bukhari S, Raouf YS, Manaswiyoungkul P, Erdogan F, Abdeldayem A, Cabral AD, Hassan MM, Toutah K, Shouksmith AE, Gawel JM, Israelian J, Radu TB, Kachhiyapatel N, de Araujo ED, Christianson DW, Gunning PT. Unique Molecular Interaction with the Histone Deacetylase 6 Catalytic Tunnel: Crystallographic and Biological Characterization of a Model Chemotype. J Med Chem 2021; 64:2691-2704. [PMID: 33576627 PMCID: PMC8063965 DOI: 10.1021/acs.jmedchem.0c01922] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Histone deacetylase 6 (HDAC6) is involved in multiple regulatory processes, ranging from cellular stress to intracellular transport. Inhibition of aberrant HDAC6 activity in several cancers and neurological diseases has been shown to be efficacious in both preclinical and clinical studies. While selective HDAC6 targeting has been pursued as an alternative to pan-HDAC drugs, identifying truly selective molecular templates has not been trivial. Herein, we report a structure-activity relationship study yielding TO-317, which potently binds HDAC6 catalytic domain 2 (Ki = 0.7 nM) and inhibits the enzyme function (IC50 = 2 nM). TO-317 exhibits 158-fold selectivity for HDAC6 over other HDAC isozymes by binding the catalytic Zn2+ and, uniquely, making a never seen before direct hydrogen bond with the Zn2+ coordinating residue, His614. This novel structural motif targeting the second-sphere His614 interaction, observed in a 1.84 Å resolution crystal structure with drHDAC6 from zebrafish, can provide new pharmacophores for identifying enthalpically driven, high-affinity, HDAC6-selective inhibitors.
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Affiliation(s)
- Olasunkanmi O. Olaoye
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Paris R. Watson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
| | - Nabanita Nawar
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., 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 Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Abootaleb Sedighi
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Shazreh Bukhari
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., 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 Rd N., 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 Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Fettah Erdogan
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Ayah Abdeldayem
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Aaron D. Cabral
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., 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 Rd N., 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 Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Andrew E. Shouksmith
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Justyna M. Gawel
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Johan Israelian
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., 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 Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Niyati Kachhiyapatel
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - Elvin D. de Araujo
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
| | - Patrick T. Gunning
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd N., Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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11
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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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12
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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: 77] [Impact Index Per Article: 25.7] [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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13
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Saraswati AP, Relitti N, Brindisi M, Osko JD, Chemi G, Federico S, Grillo A, Brogi S, McCabe NH, Turkington RC, Ibrahim O, O’Sullivan J, Lamponi S, Ghanim M, Kelly VP, Zisterer D, Amet R, Hannon Barroeta P, Vanni F, Ulivieri C, Herp D, Sarno F, Di Costanzo A, Saccoccia F, Ruberti G, Jung M, Altucci L, Gemma S, Butini S, Christianson DW, Campiani G. Spiroindoline-Capped Selective HDAC6 Inhibitors: Design, Synthesis, Structural Analysis, and Biological Evaluation. ACS Med Chem Lett 2020; 11:2268-2276. [PMID: 33214839 DOI: 10.1021/acsmedchemlett.0c00395] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Histone deacetylase inhibitors (HDACi) have emerged as promising therapeutics for the treatment of neurodegeneration, cancer, and rare disorders. Herein, we report the development of a series of spiroindoline-based HDAC6 isoform-selective inhibitors based on the X-ray crystal studies of the hit 6a. We identified compound 6j as the most potent and selective hHDAC6 inhibitor of the series. Biological investigation of compounds 6b, 6h, and 6j demonstrated their antiproliferative activity against several cancer cell lines. Western blotting studies indicated that they were able to increase tubulin acetylation, without significant variation in histone acetylation state, and induced PARP cleavage indicating their apoptotic potential at the molecular level. 6j induced HDAC6-dependent pSTAT3 inhibition.
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Affiliation(s)
- A. Prasanth Saraswati
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Nicola Relitti
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Margherita Brindisi
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Giulia Chemi
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Stefano Federico
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Alessandro Grillo
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Simone Brogi
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126, Pisa, Italy
| | - Niamh H. McCabe
- Centre for Cancer Research and Cell Biology, Queens University Belfast, Belfast, U.K
| | - Richard C. Turkington
- Centre for Cancer Research and Cell Biology, Queens University Belfast, Belfast, U.K
| | - Ola Ibrahim
- School of Dental Science, Trinity College Dublin, Lincoln Place, Dublin 2, Ireland
| | - Jeffrey O’Sullivan
- School of Dental Science, Trinity College Dublin, Lincoln Place, Dublin 2, Ireland
| | - Stefania Lamponi
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Magda Ghanim
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College, 152-160, Pearse Street, Dublin 2, Ireland
| | - Vincent P. Kelly
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College, 152-160, Pearse Street, Dublin 2, Ireland
| | - Daniela Zisterer
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College, 152-160, Pearse Street, Dublin 2, Ireland
| | - Rebecca Amet
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College, 152-160, Pearse Street, Dublin 2, Ireland
| | - Patricia Hannon Barroeta
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College, 152-160, Pearse Street, Dublin 2, Ireland
| | - Francesca Vanni
- Department of Life Sciences, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Cristina Ulivieri
- Department of Life Sciences, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Daniel Herp
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-Universität Freiburg, Albertstraße 25, 79104, Freiburg, Germany
| | - Federica Sarno
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli″, 80138 Naples, Italy
| | - Antonella Di Costanzo
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli″, 80138 Naples, Italy
| | - Fulvio Saccoccia
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), via E. Ramarini 32, 00015 Monterotondo, Rome, Italy
| | - Giovina Ruberti
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), via E. Ramarini 32, 00015 Monterotondo, Rome, Italy
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-Universität Freiburg, Albertstraße 25, 79104, Freiburg, Germany
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli″, 80138 Naples, Italy
| | - Sandra Gemma
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Stefania Butini
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Giuseppe Campiani
- Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
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14
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Pulya S, Amin SA, Adhikari N, Biswas S, Jha T, Ghosh B. HDAC6 as privileged target in drug discovery: A perspective. Pharmacol Res 2020; 163:105274. [PMID: 33171304 DOI: 10.1016/j.phrs.2020.105274] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/15/2020] [Accepted: 10/25/2020] [Indexed: 12/25/2022]
Abstract
HDAC6, a class IIB HDAC isoenzyme, stands unique in its structural and physiological functions. Besides histone modification, largely due to its cytoplasmic localization, HDAC6 also targets several non-histone proteins including Hsp90, α-tubulin, cortactin, HSF1, etc. Thus, it is one of the key regulators of different physiological and pathological disease conditions. HDAC6 is involved in different signaling pathways associated with several neurological disorders, various cancers at early and advanced stage, rare diseases and immunological conditions. Therefore, targeting HDAC6 has been found to be effective for various therapeutic purposes in recent years. Though several HDAC6 inhibitors (HDAC6is) have been developed till date, only two ACY-1215 (ricolinostat) and ACY-241 (citarinostat) are in the clinical trials. A lot of work is still needed to pinpoint strictly selective as well as potent HDAC6i. Considering the recent crystal structure of HDAC6, novel HDAC6is of significant therapeutic value can be designed. Notably, the canonical pharmacophore features of HDAC6is consist of a zinc binding group (ZBG), a linker function and a cap group. Significant modifications of cap function may lead to achieve better selectivity of the inhibitors. This review details the study about the structural biology of HDAC6, the physiological and pathological role of HDAC6 in several disease states and the detailed structure-activity relationships (SARs) of the known HDAC6is. This detailed review will provide key insights to design novel and highly effective HDAC6i in the future.
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Affiliation(s)
- Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Sk Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India
| | - Swati Biswas
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, P. O. Box 17020, Jadavpur University, Kolkata 700032, India.
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, BITS-Pilani, Hyderabad Campus, Shamirpet, Hyderabad 500078, India.
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15
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Das D, Bhutia ZT, Panjikar PC, Chatterjee A, Banerjee M. A simple and efficient route to 2‐arylimidazo[1,2‐a]pyridines and zolimidine using automated grindstone chemistry. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4106] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Dharmendra Das
- Department of Chemistry BITS Pilani, K. K. Birla Goa Campus Zuarinagar Goa India
| | - Zigmee T. Bhutia
- Department of Chemistry BITS Pilani, K. K. Birla Goa Campus Zuarinagar Goa India
| | - Padmini C. Panjikar
- Department of Chemistry BITS Pilani, K. K. Birla Goa Campus Zuarinagar Goa India
- Pravatibai Chowgule College of Arts and Science (Autonomus) Margao Goa India
| | - Amrita Chatterjee
- Department of Chemistry BITS Pilani, K. K. Birla Goa Campus Zuarinagar Goa India
| | - Mainak Banerjee
- Department of Chemistry BITS Pilani, K. K. Birla Goa Campus Zuarinagar Goa India
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16
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Reßing N, Sönnichsen M, Osko JD, Schöler A, Schliehe-Diecks J, Skerhut A, Borkhardt A, Hauer J, Kassack MU, Christianson DW, Bhatia S, Hansen FK. Multicomponent Synthesis, Binding Mode, and Structure-Activity Relationship of Selective Histone Deacetylase 6 (HDAC6) Inhibitors with Bifurcated Capping Groups. J Med Chem 2020; 63:10339-10351. [PMID: 32803970 DOI: 10.1021/acs.jmedchem.9b01888] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Histone deacetylase 6 (HDAC6) is an emerging target for the treatment of cancer, neurodegenerative diseases, inflammation, and other diseases. Here, we present the multicomponent synthesis and structure-activity relationship of a series of tetrazole-based HDAC6 inhibitors. We discovered the hit compound NR-160 by investigating the inhibition of recombinant HDAC enzymes and protein acetylation. A cocrystal structure of HDAC6 complexed with NR-160 disclosed that the steric complementarity of the bifurcated capping group of NR-160 to the L1 and L2 loop pockets may be responsible for its HDAC6-selective inhibition. While NR-160 displayed only low cytotoxicity as a single agent against leukemia cell lines, it augmented the apoptosis induction of the proteasome inhibitor bortezomib in combination experiments significantly. Furthermore, a combinatorial high-throughput drug screen revealed significantly enhanced cytotoxicity when NR-160 was used in combination with epirubicin and daunorubicin. The synergistic effect in combination with bortezomib and anthracyclines highlights the potential of NR-160 in combination therapies.
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Affiliation(s)
- Nina Reßing
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103 Leipzig, Germany.,Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Melf Sönnichsen
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Jeremy D Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Andrea Schöler
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103 Leipzig, Germany
| | - Julian Schliehe-Diecks
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Alexander Skerhut
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Julia Hauer
- Department of Pediatrics, Pediatric Hematology and Oncology, University Hospital Carl Gustav Carus, Dresden University of Technology, Fetscherstr. 74, 01307 Dresden, Germany
| | - Matthias U Kassack
- Institute for Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Sanil Bhatia
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany
| | - Finn K Hansen
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103 Leipzig, Germany.,Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
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17
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Osko JD, Christianson DW. Binding of inhibitors to active-site mutants of CD1, the enigmatic catalytic domain of histone deacetylase 6. Acta Crystallogr F Struct Biol Commun 2020; 76:428-437. [PMID: 32880591 PMCID: PMC7470039 DOI: 10.1107/s2053230x20010250] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 07/23/2020] [Indexed: 11/10/2022] Open
Abstract
The zinc hydrolase histone deacetylase 6 (HDAC6) is unique among vertebrate deacetylases in that it contains two catalytic domains, designated CD1 and CD2. Both domains are fully functional as lysine deacetylases in vitro. However, the in vivo function of only the CD2 domain is well defined, whereas that of the CD1 domain is more enigmatic. Three X-ray crystal structures of HDAC6 CD1-inhibitor complexes are now reported to broaden the understanding of affinity determinants in the active site. Notably, cocrystallization with inhibitors was facilitated by using active-site mutants of zebrafish HDAC6 CD1. The first mutant studied, H82F/F202Y HDAC6 CD1, was designed to mimic the active site of human HDAC6 CD1. The structure of its complex with trichostatin A was generally identical to that with the wild-type zebrafish enzyme. The second mutant studied, K330L HDAC6 CD1, was prepared to mimic the active site of HDAC6 CD2. It has previously been demonstrated that this substitution does not perturb inhibitor binding conformations in HDAC6 CD1; here, this mutant facilitated cocrystallization with derivatives of the cancer chemotherapy drug suberoylanilide hydroxamic acid (SAHA). These crystal structures allow the mapping of inhibitor-binding regions in the outer active-site cleft, where one HDAC isozyme typically differs from another. It is expected that these structures will help to guide the structure-based design of inhibitors with selectivity against HDAC6 CD1, which in turn will enable new chemical biology approaches to probe its cellular function.
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Affiliation(s)
- Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philaldelphia, PA 19104-6323, USA
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philaldelphia, PA 19104-6323, USA
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18
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Herbst-Gervasoni CJ, Steimbach RR, Morgen M, Miller AK, Christianson DW. Structural Basis for the Selective Inhibition of HDAC10, the Cytosolic Polyamine Deacetylase. ACS Chem Biol 2020; 15:2154-2163. [PMID: 32659072 DOI: 10.1021/acschembio.0c00362] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The cytosolic class IIb histone deacetylase HDAC10 is an emerging target for drug design. As an inducer of autophagy, its selective inhibition suppresses the autophagic response that otherwise attenuates the efficacy of cytotoxic cancer chemotherapy drugs. HDAC10 is a zinc-dependent polyamine deacetylase exhibiting maximal catalytic activity against N8-acetylspermidine. As revealed in the structure of Danio rerio (zebrafish) HDAC10, two conserved structural motifs direct this narrow substrate specificity: a 310 helix containing the P(E,A)CE motif that sterically constricts the active site and an electrostatic "gatekeeper," E274, that confers selectivity for cationic polyamine substrates. To accelerate drug design efforts targeting human HDAC10, we now report the preparation of "humanized" zebrafish HDAC10 in which two amino acid substitutions, A24E and D94A, yield an active site contour more similar to that of human HDAC10. X-ray crystal structures of this HDAC10 variant complexed with Tubastatin A and indole analogues bearing pendant tertiary amines reveal that inhibitors capable of hydrogen bonding with gatekeeper E274 exhibit high affinity and selectivity for HDAC10 over HDAC6 (the other class IIb isozyme). Moreover, these structures reveal that the P(E,A)CE motif helix can shift by up to 2 Å to accommodate the binding of bulky inhibitors. Thus, slender polyamine-like inhibitor structures are not exclusively required for selective, high affinity binding to HDAC10. Indeed, the flexibility of the P(E,A)CE motif helix could conceivably enable the binding of certain protein substrates.
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Affiliation(s)
- Corey J. Herbst-Gervasoni
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Raphael R. Steimbach
- Biosciences Faculty, University of Heidelberg, 69120 Heidelberg, Germany
- Cancer Drug Development Group, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Michael Morgen
- Cancer Drug Development Group, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Aubry K. Miller
- Cancer Drug Development Group, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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19
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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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20
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Bhutia Z, Panjikar PC, Iyer S, Chatterjee A, Banerjee M. Iodine Promoted Efficient Synthesis of 2-Arylimidazo[1,2- a]pyridines in Aqueous Media: A Comparative Study between Micellar Catalysis and an "On-Water" Platform. ACS OMEGA 2020; 5:13333-13343. [PMID: 32548520 PMCID: PMC7288711 DOI: 10.1021/acsomega.0c01478] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/12/2020] [Indexed: 05/12/2023]
Abstract
In a new and environmentally sustainable approach, a series of 2-arylimidazo[1,2-a]pyridine derivatives were synthesized in aqueous media in the presence of iodine as a catalyst. The reaction proceeded by condensation of various aryl methyl ketones with 2-aminopyridines to afford 2-arylimidazo[1,2-a]pyridines in good overall yields. Although several of the reactions were efficiently performed "on water", the addition of a surfactant, namely, sodium dodecyl sulphate , was found effective in terms of substrate scope and yield enhancement. Both methods were successfully used for the gram-scale synthesis of a marketed drug, zolimidine. The simple experimental setup, water as "green" media, and inexpensive catalyst are some of the merits of this protocol.
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Affiliation(s)
- Zigmee
T. Bhutia
- Department
of Chemistry, BITS Pilani-K. K. Birla Goa
Campus, NH 17 B Bypass
Road, Zuarinagar, Sancoale 403726, Goa, India
| | - Padmini C. Panjikar
- Department
of Chemistry, BITS Pilani-K. K. Birla Goa
Campus, NH 17 B Bypass
Road, Zuarinagar, Sancoale 403726, Goa, India
- Parvatibai
Chowgule College of Arts & Science (Autonomous), Margao 403602, Goa, India
| | - Shruti Iyer
- Department
of Chemistry, BITS Pilani-K. K. Birla Goa
Campus, NH 17 B Bypass
Road, Zuarinagar, Sancoale 403726, Goa, India
| | - Amrita Chatterjee
- Department
of Chemistry, BITS Pilani-K. K. Birla Goa
Campus, NH 17 B Bypass
Road, Zuarinagar, Sancoale 403726, Goa, India
- . Phone: +91-832-2580-320. Fax: +91-832-255-7031
| | - Mainak Banerjee
- Department
of Chemistry, BITS Pilani-K. K. Birla Goa
Campus, NH 17 B Bypass
Road, Zuarinagar, Sancoale 403726, Goa, India
- . Phone: +91-832-2580-347. Fax: +91-832-255-7031
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21
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Shen S, Svoboda M, Zhang G, Cavasin MA, Motlova L, McKinsey TA, Eubanks JH, Bařinka C, Kozikowski AP. Structural and in Vivo Characterization of Tubastatin A, a Widely Used Histone Deacetylase 6 Inhibitor. ACS Med Chem Lett 2020; 11:706-712. [PMID: 32435374 DOI: 10.1021/acsmedchemlett.9b00560] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 01/15/2020] [Indexed: 12/23/2022] Open
Abstract
Tubastatin A, a tetrahydro-γ-carboline-capped selective HDAC6 inhibitor (HDAC6i), was rationally designed 10 years ago, and has become the best investigated HDAC6i to date. It shows efficacy in various neurological disease animal models, as HDAC6 plays a crucial regulatory role in axonal transport deficits, protein aggregation, as well as oxidative stress. In this work, we provide new insights into this HDAC6i by investigating the molecular basis of its interactions with HDAC6 through X-ray crystallography, determining its functional capability to elevate the levels of acetylated α-tubulin in vitro and in vivo, correlating PK/PD profiles to determine effective doses in plasma and brain, and finally assessing its therapeutic potential toward psychiatric diseases through use of the SmartCube screening platform.
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Affiliation(s)
- Sida Shen
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Michal Svoboda
- Laboratory of Structural Biology, Institute of Biotechnology of the Czech Academy of Sciences, Prumyslova 595, 252 50 Vestec, Czech Republic
| | - Guangming Zhang
- Division of Experimental and Translational Neuroscience, Krembil Research Institute, University Health Network, Toronto, Ontario M5G 2C4, Canada
| | - Maria A. Cavasin
- Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
- Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - Lucia Motlova
- Laboratory of Structural Biology, Institute of Biotechnology of the Czech Academy of Sciences, Prumyslova 595, 252 50 Vestec, Czech Republic
| | - Timothy A. McKinsey
- Department of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
- Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, Colorado 80045, United States
| | - James H. Eubanks
- Division of Experimental and Translational Neuroscience, Krembil Research Institute, University Health Network, Toronto, Ontario M5G 2C4, Canada
| | - Cyril Bařinka
- Laboratory of Structural Biology, Institute of Biotechnology of the Czech Academy of Sciences, Prumyslova 595, 252 50 Vestec, Czech Republic
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22
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Osko JD, Christianson DW. Structural determinants of affinity and selectivity in the binding of inhibitors to histone deacetylase 6. Bioorg Med Chem Lett 2020; 30:127023. [PMID: 32067866 PMCID: PMC7067655 DOI: 10.1016/j.bmcl.2020.127023] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/07/2020] [Accepted: 02/08/2020] [Indexed: 12/13/2022]
Abstract
Histone deacetylase 6 (HDAC6) is associated with multiple neurological disorders as well as aggressive cancers, making its selective inhibition highly desirable for therapeutic purposes. The basic molecular design of an effective HDAC6 inhibitor consists of a zinc-binding group, a linker, and a capping group capable of making interactions at the mouth of the active site. To date, more than 50 high-resolution X-ray crystal structures of HDAC6-inhibitor complexes have been reported, many of which reveal intermolecular interactions that contribute to isozyme affinity and selectivity. Here, we review the key features of HDAC6 inhibitor design illuminated by these structural studies.
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Affiliation(s)
- Jeremy D Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States.
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23
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Song H, Niu X, Quan J, Li Y, Yuan L, Wang J, Ma C, Ma E. Discovery of specific HDAC6 inhibitor with anti-metastatic effects in pancreatic cancer cells through virtual screening and biological evaluation. Bioorg Chem 2020; 97:103679. [PMID: 32120077 DOI: 10.1016/j.bioorg.2020.103679] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 02/07/2023]
Abstract
Histone deacetylase 6 (HDAC6) has been demonstrated to play a major role in cell motility and aggresome formation, and HDAC6 inhibition is therefore considered as a promising epigenetic strategy for cancer treatment. At present, only a minority of compounds have been reported as HDAC6 inhibitors, so specific HDAC6 inhibitors with safety profile need to be discovered urgently. In this paper, HDAC6 inhibitors with diverse structures were used to generate the pharmacophore model by ligand-based method, which contained two hydrogen bond acceptors and two hydrophobic groups. A combined virtual screening based on pharmacophore model and molecular docking was adopted to screen potential HDAC6 inhibitors. Subsequently, the HDAC6 inhibitory activity of the hit compounds were evaluated using an in vitro enzyme binding inhibition assay. The experimental results illustrated that cefoperazone sodium had the strongest inhibitory effect on HDAC6 among the six screened compounds, and its IC50 value was 8.59 ± 1.06 μM. Cefoperazone sodium significantly catalyzed the hyperacetylation of α-tubulin but not histone H3, proving that cefoperazone sodium was a selective inhibitor of HDAC6. Since the expression of HDAC6 plays an important role in cancer metastasis, the effects of cefoperazone sodium on migration and invasion of human pancreatic cancer PANC-1 cells were further investigated by wound healing and transwell chamber assays. It was found that cefoperazone sodium could evidently inhibit the migration and invasion of PANC-1 cells. Furthermore, the binding pattern of inhibitor at the active site of the crystal structure was revealed by molecular docking, providing a reference value for the structural design and optimization of HDAC6 inhibitors. This study provides a systematic virtual screening approach for discovering HDAC6 active inhibitors, and by which the specific effect of cefoperazone sodium against HDAC6 was found, suggesting its potential application on cancer therapy.
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Affiliation(s)
- Haoxuan Song
- School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Xueyan Niu
- School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Jishun Quan
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Yanchun Li
- School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Lei Yuan
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Jian Wang
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Chao Ma
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China.
| | - Enlong Ma
- School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China.
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24
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Rodrigues DA, Guerra FS, Sagrillo FS, de Sena M Pinheiro P, Alves MA, Thota S, Chaves LS, Sant'Anna CMR, Fernandes PD, Fraga CAM. Design, Synthesis, and Pharmacological Evaluation of First-in-Class Multitarget N-Acylhydrazone Derivatives as Selective HDAC6/8 and PI3Kα Inhibitors. ChemMedChem 2020; 15:539-551. [PMID: 32022441 DOI: 10.1002/cmdc.201900716] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/29/2020] [Indexed: 01/14/2023]
Abstract
Targeting histone deacetylases (HDACs) and phosphatidylinositol 3-kinases (PI3Ks) is a very promising approach for cancer treatment. This manuscript describes the design, synthesis, in vitro pharmacological profile, and molecular modeling of a novel class of N-acylhydrazone (NAH) derivatives that act as HDAC6/8 and PI3Kα dual inhibitors. The surprising selectivity for PI3Kα may be related to differences in the conformation in the active site. Cellular studies showed that these compounds act in HDAC6 inhibition and the PI3/K/AKT/mTOR pathway. The compounds that are selective for inhibition of HDAC6/8 and inhibit PI3Kα show potential for the treatment of cancer.
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Affiliation(s)
- Daniel A Rodrigues
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil.,Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal do Rio de Janeiro, 21941-909, Rio de Janeiro, RJ, Brazil
| | - Fabiana S Guerra
- Laboratório de Farmacologia da Dor e da Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Fernanda S Sagrillo
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Pedro de Sena M Pinheiro
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil.,Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Marina A Alves
- Laboratório de Apoio ao Desenvolvimento Tecnológico (LADETEC), Instituto de Química, Avenida Horácio Macedo, 1281, Polo de Química, Bloco C, Cidade Universitária, 21941-598, Rio de Janeiro, RJ, Brazil
| | - Sreekanth Thota
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Lorrane S Chaves
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil.,Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Carlos M R Sant'Anna
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil.,Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Rural do Rio de Janeiro, 23970-000, Seropédica, RJ, Brazil
| | - Patrícia D Fernandes
- Laboratório de Farmacologia da Dor e da Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Carlos A M Fraga
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, PO Box 68023, 21941-902, Rio de Janeiro, RJ, Brazil.,Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal do Rio de Janeiro, 21941-909, Rio de Janeiro, RJ, Brazil.,Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, 21941-902, Rio de Janeiro, RJ, Brazil
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25
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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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26
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Osko JD, Porter NJ, Reddy PAN, Xiao YC, Rokka J, Jung M, Hooker JM, Salvino JM, Christianson DW. Exploring Structural Determinants of Inhibitor Affinity and Selectivity in Complexes with Histone Deacetylase 6. J Med Chem 2020; 63:295-308. [PMID: 31793776 PMCID: PMC6952581 DOI: 10.1021/acs.jmedchem.9b01540] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Inhibition of histone deacetylase 6 (HDAC6) has emerged as a promising therapeutic strategy for the treatment of cancer, chemotherapy-induced peripheral neuropathy, and neurodegenerative disease. The recent X-ray crystal structure determination of HDAC6 enables an understanding of structural features directing affinity and selectivity in the active site. Here, we present the X-ray crystal structures of five HDAC6-inhibitor complexes that illuminate key molecular features of the inhibitor linker and capping groups that facilitate and differentiate binding to HDAC6. In particular, aromatic and heteroaromatic linkers nestle within an aromatic cleft defined by F583 and F643, and different aromatic linkers direct the capping group toward shallow pockets defined by the L1 loop, the L2 loop, or somewhere in between these pockets. These results expand our understanding of factors contributing to the selective inhibition of HDAC6, particularly regarding interactions that can be targeted in the region of the L2 pocket.
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Affiliation(s)
- Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, PA 19104-6323, United States
| | - Nicholas J. Porter
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, PA 19104-6323, United States
| | | | - You-Cai Xiao
- The Wistar Institute, 3601 Spruce Street, Philadelphia, PA 19104, United States
| | - Johanna Rokka
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts 02129, United States
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, 79104 Freiburg, Germany
| | - Jacob M. Hooker
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts 02129, United States
| | - Joseph M. Salvino
- The Wistar Institute, 3601 Spruce Street, Philadelphia, PA 19104, United States
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, PA 19104-6323, United States
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27
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Osko JD, Christianson DW. Structural Basis of Catalysis and Inhibition of HDAC6 CD1, the Enigmatic Catalytic Domain of Histone Deacetylase 6. Biochemistry 2019; 58:4912-4924. [PMID: 31755702 PMCID: PMC6904440 DOI: 10.1021/acs.biochem.9b00934] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Histone deacetylase 6 (HDAC6) is emerging as a target for inhibition in therapeutic strategies aimed at treating cancer, neurodegenerative disease, and other disorders. Among the metal-dependent HDAC isozymes, HDAC6 is unique in that it contains two catalytic domains, CD1 and CD2. CD2 is a tubulin deacetylase and a tau deacetylase, and the development of HDAC6-selective inhibitors has focused exclusively on this domain. In contrast, there is a dearth of structural and functional information regarding CD1, which exhibits much narrower substrate specificity in comparison with CD2. As the first step in addressing the CD1 information gap, we now present X-ray crystal structures of seven inhibitor complexes with wild-type, Y363F, and K330L HDAC6 CD1. These structures broaden our understanding of molecular features that are important for catalysis and inhibitor binding. The active site of HDAC6 CD1 is wider than that of CD2, which is unexpected in view of the narrow substrate specificity of CD1. Amino acid substitutions between HDAC6 CD1 and CD2, as well as conformational differences in conserved residues, define striking differences in active site contours. Catalytic activity measurements with HDAC6 CD1 confirm the preference for peptide substrates containing C-terminal acetyllysine residues. However, these measurements also show that CD1 exhibits weak activity for peptide substrates bearing certain small amino acids on the carboxyl side of the scissile acetyllysine residue. Taken together, these results establish a foundation for understanding the structural basis of HDAC6 CD1 catalysis and inhibition, pointing to possible avenues for the development of HDAC6 CD1-selective inhibitors.
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Affiliation(s)
- Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, PA 19104-6323, United States
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34 Street, Philadelphia, PA 19104-6323, United States
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28
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Raudszus R, Nowotny R, Gertzen CG, Schöler A, Krizsan A, Gockel I, Kalwa H, Gohlke H, Thieme R, Hansen FK. Fluorescent analogs of peptoid-based HDAC inhibitors: Synthesis, biological activity and cellular uptake kinetics. Bioorg Med Chem 2019; 27:115039. [DOI: 10.1016/j.bmc.2019.07.055] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 07/23/2019] [Accepted: 07/31/2019] [Indexed: 11/26/2022]
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29
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Erdeljac N, Bussmann K, Schöler A, Hansen FK, Gilmour R. Fluorinated Analogues of the Histone Deacetylase Inhibitor Vorinostat (Zolinza): Validation of a Chiral Hybrid Bioisostere, BITE. ACS Med Chem Lett 2019; 10:1336-1340. [PMID: 31531206 DOI: 10.1021/acsmedchemlett.9b00287] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 07/19/2019] [Indexed: 12/11/2022] Open
Abstract
A chiral, hybrid bioisostere of the CF3 and Et groups (BITE) was installed in a series of vorinostat (Zolinza) analogues, and their histone deacetylase (HDAC) inhibitory behavior was studied relative to that of their nonfluorinated counterparts. Several of these compounds containing the 1,2-difluoroethylene unit showed in vitro potency greater than that of the clinically approved drug itself against HDAC1. This trend was found to be general with the BITE-modified HDAC inhibitors performing significantly better than the ethyl derivatives. Installed by the direct, catalytic vicinal difluorination of terminal alkenes using an I(I)/I(III) manifold, this underexplored chiral bioisostere shows potential in drug discovery.
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Affiliation(s)
- Nathalie Erdeljac
- Institute for Organic Chemistry, WWU Münster, Correnstraße 40, 48149 Münster, Germany
| | - Kathrin Bussmann
- Institute for Organic Chemistry, WWU Münster, Correnstraße 40, 48149 Münster, Germany
| | - Andrea Schöler
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103 Leipzig, Germany
| | - Finn K. Hansen
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103 Leipzig, Germany
| | - Ryan Gilmour
- Institute for Organic Chemistry, WWU Münster, Correnstraße 40, 48149 Münster, Germany
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30
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Osko JD, Christianson DW. Methods for the expression, purification, and crystallization of histone deacetylase 6-inhibitor complexes. Methods Enzymol 2019; 626:447-474. [PMID: 31606087 DOI: 10.1016/bs.mie.2019.06.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Histone deacetylase (HDAC) isozymes modulate numerous regulatory signals and pathways in biological systems, hence serving as targets for drug design. For example, HDAC6 is the cytosolic tubulin deacetylase and its inhibition compromises microtubule dynamics, leading to cancer cell cycle arrest and apoptosis. The design of inhibitors that selectively target HDAC6 is desirable to avoid side effects resulting from the inhibition of off-target HDACs. High resolution X-ray crystal structures of HDAC6 have accelerated structure-based approaches to drug design targeting HDAC6. Crystal structure analysis reveals that the tubulin deacetylase domain of human HDAC6 (catalytic domain 2, also known as CD2) is very similar to that of HDAC6 CD2 from Danio rerio (zebrafish, designated zCD2). Thus, zCD2 is a valid surrogate of human HDAC6 CD2, the actual drug target; moreover, zCD2 is much more easily prepared and crystallized. A plasmid containing the zCD2 construct for heterologous expression in Escherichia coli is available through Addgene (#122031). In this chapter, we review the preparation, purification, and crystallization of zCD2-inhibitor complexes. These methods enable the rapid acquisition of structural data regarding optimal zinc-binding groups, capping groups, and linkers in the discovery of new and selective HDAC6 inhibitors.
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Affiliation(s)
- Jeremy D Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA, United States
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA, United States.
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31
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Raji Reddy C, Burra AG. [4 + 2]-Annulation of MBH-Acetates of Acetylenic Aldehydes with Imidazoles/Benzimidazoles To Access Imidazo[1,2-a]pyridines/Benzimidazo[1,2-a]pyridines. J Org Chem 2019; 84:9169-9178. [DOI: 10.1021/acs.joc.9b01118] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Amarender Goud Burra
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
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32
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Zhang Y, Ying JB, Hong JJ, Li FC, Fu TT, Yang FY, Zheng GX, Yao XJ, Lou Y, Qiu Y, Xue WW, Zhu F. How Does Chirality Determine the Selective Inhibition of Histone Deacetylase 6? A Lesson from Trichostatin A Enantiomers Based on Molecular Dynamics. ACS Chem Neurosci 2019; 10:2467-2480. [PMID: 30784262 DOI: 10.1021/acschemneuro.8b00729] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Histone deacetylase 6 (HDAC6) plays a key role in a variety of neurological disorders, which makes it attractive drug target for the treatment of Alzheimer's disease, Parkinson's disease, and memory/learning impairment. The selectivity of HDAC6 inhibitors (sHDAC6Is) are widely considered to be susceptible to the sizes of their Cap group and the physicochemical properties of their linker or zinc-binding group, which makes the discovery of new sHDAC6Is extremely difficult. With the discovery of the distinct selectivity between Trichostatin A (TSA) enantiomers, the chirality residing in the connective units between TSA's Cap and linker shows a great impact on its selectivity. However, the mechanism underlining ( S)-TSA's selectivity is still elusive, and the way chirality switches the selective ( S)-TSA to nonselective ( R)-TSA is unknown. In this study, multiple computational approaches were collectively applied to explore, validate, and differentiate the binding modes of two TSA enantiomers in HDACs (especially the HDAC6) at atomic level. First, two nonconservative residues (G200/M205 and Y197/F202 in HDAC1/6) in loop3 and four conservative residues deep inside the hydrophobic binding pocket were discovered as the decisive residues of ( S)-TSA's selectivity toward HDAC6. Then, a novel mechanism underlying the selectivity of ( S)-TSA toward HDAC6 was proposed, which was composed of the trigger by two nonconservative residues F202 and M205 in HDAC6 and a subsequently improved fit of ( S)-TSA deep inside HDAC6's hydrophobic binding pocket. TSA enantiomers were used as a molecular probe to explore the mechanism underlying sHDAC6Is' selectivity in this study. Because of their decisive roles in ( S)-TSA's selectivity to HDAC6, both F202 and M205 in HDAC6 should be especially considered in the discovery of novel sHDAC6Is.
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Affiliation(s)
- Yang Zhang
- Lab of Innovative Drug Research and Bioinformatics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
| | - Jun Biao Ying
- Lab of Innovative Drug Research and Bioinformatics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jia Jun Hong
- Lab of Innovative Drug Research and Bioinformatics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Feng Cheng Li
- Lab of Innovative Drug Research and Bioinformatics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ting Ting Fu
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
| | - Feng Yuan Yang
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
| | - Guo Xun Zheng
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
| | - Xiao Jun Yao
- State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Yan Lou
- Zhejiang Provincial Key Laboratory for Drug Clinical Research and Evaluation, The First Affiliated Hospital, Zhejiang University, Hangzhou 310000, China
| | - Yunqing Qiu
- Zhejiang Provincial Key Laboratory for Drug Clinical Research and Evaluation, The First Affiliated Hospital, Zhejiang University, Hangzhou 310000, China
| | - Wei Wei Xue
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
| | - Feng Zhu
- Lab of Innovative Drug Research and Bioinformatics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Innovative Drug Research and Bioinformatics Group, School of Pharmaceutical Sciences and Collaborative Innovation Center for Brain Science, Chongqing University, Chongqing 401331, China
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33
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Mackwitz MKW, Hesping E, Antonova-Koch Y, Diedrich D, Woldearegai TG, Skinner-Adams T, Clarke M, Schöler A, Limbach L, Kurz T, Winzeler EA, Held J, Andrews KT, Hansen FK. Structure-Activity and Structure-Toxicity Relationships of Peptoid-Based Histone Deacetylase Inhibitors with Dual-Stage Antiplasmodial Activity. ChemMedChem 2019; 14:912-926. [PMID: 30664827 PMCID: PMC6502651 DOI: 10.1002/cmdc.201800808] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Indexed: 12/17/2022]
Abstract
Novel malaria intervention strategies are of great importance, given the development of drug resistance in malaria-endemic countries. In this regard, histone deacetylases (HDACs) have emerged as new and promising malaria drug targets. In this work, we present the design, synthesis, and biological evaluation of 20 novel HDAC inhibitors with antiplasmodial activity. Based on a previously discovered peptoid-based hit compound, we modified all regions of the peptoid scaffold by using a one-pot multicomponent pathway and submonomer routes to gain a deeper understanding of the structure-activity and structure-toxicity relationships. Most compounds displayed potent activity against asexual blood-stage P. falciparum parasites, with IC50 values in the range of 0.0052-0.25 μm and promising selectivity over mammalian cells (SIPf3D7/HepG2 : 170-1483). In addition, several compounds showed encouraging sub-micromolar activity against P. berghei exo-erythrocytic forms (PbEEF). Our study led to the discovery of the hit compound N-(2-(benzylamino)-2-oxoethyl)-N-(4-(hydroxycarbamoyl)benzyl)-4-isopropylbenzamide (2 h) as a potent and parasite-specific dual-stage antiplasmodial HDAC inhibitor (IC50 Pf3D7=0.0052 μm, IC50 PbEEF=0.016 μm).
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Affiliation(s)
- Marcel K W Mackwitz
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Eva Hesping
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan, QLD, 4111, Australia
| | - Yevgeniya Antonova-Koch
- Department of Pediatrics, School of Medicine, University of California, San Diego, 9500 Gilman Drive 0741, La Jolla, CA, 92093, USA
| | - Daniela Diedrich
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Tamirat Gebru Woldearegai
- Institut für Tropenmedizin, Eberhard Karls Universität Tübingen, Wilhelmstraße 27, 72074, Tübingen, Germany
| | - Tina Skinner-Adams
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan, QLD, 4111, Australia
| | - Mary Clarke
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan, QLD, 4111, Australia
| | - Andrea Schöler
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Laura Limbach
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Thomas Kurz
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-Universität Düsseldorf, 40225, Düsseldorf, Germany
| | - Elizabeth A Winzeler
- Department of Pediatrics, School of Medicine, University of California, San Diego, 9500 Gilman Drive 0741, La Jolla, CA, 92093, USA
| | - Jana Held
- Institut für Tropenmedizin, Eberhard Karls Universität Tübingen, Wilhelmstraße 27, 72074, Tübingen, Germany
| | - Katherine T Andrews
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan, QLD, 4111, Australia
| | - Finn K Hansen
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
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34
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Bhutia Z, Das D, Chatterjee A, Banerjee M. Efficient and "Green" Synthetic Route to Imidazo[1,2- a]pyridine by Cu(II)-Ascorbate-Catalyzed A 3-Coupling in Aqueous Micellar Media. ACS OMEGA 2019; 4:4481-4490. [PMID: 31459643 PMCID: PMC6647986 DOI: 10.1021/acsomega.8b03581] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/19/2019] [Indexed: 05/26/2023]
Abstract
An efficient and environmentally sustainable method for the synthesis of imidazo[1,2-a]pyridine derivatives by domino A3-coupling reaction catalyzed by Cu(II)-ascorbate was developed in aqueous micellar media in the presence of sodium dodecyl sulfate (SDS). The catalyst, a dynamic combination of Cu(II)/Cu(I), was generated in situ in the reaction mixture by mixing CuSO4 with sodium ascorbate and aided a facile 5-exo-dig cycloisomerization of alkynes with the condensation products of 2-aminopyridines and aldehydes to afford a variety of imidazo[1,2-a]pyridines in good overall yields. A simple experimental setup, water as the "green" medium, and inexpensive catalyst and auxiliary are some of the merits of this protocol.
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Affiliation(s)
| | | | | | - Mainak Banerjee
- E-mail: . Phone: +91-832-2580-347. Fax: +91-832-255-7031 (M.B.)
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35
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Porter NJ, Christianson DW. Structure, mechanism, and inhibition of the zinc-dependent histone deacetylases. Curr Opin Struct Biol 2019; 59:9-18. [PMID: 30743180 DOI: 10.1016/j.sbi.2019.01.004] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/03/2019] [Accepted: 01/09/2019] [Indexed: 10/27/2022]
Affiliation(s)
- Nicholas J Porter
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, United States
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, United States.
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36
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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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37
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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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38
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Tang C, Du Y, Liang Q, Cheng Z, Tian J. A selenium-containing selective histone deacetylase 6 inhibitor for targeted in vivo breast tumor imaging and therapy. J Mater Chem B 2019. [DOI: 10.1039/c9tb00383e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We have developed a HDAC6-selective inhibitor, SelSA, which can be utilized as a target for the detection and treatment of ERα(+) breast cancer and TNBC. The biodistribution study showed that SelSA can specifically target the breast tumor and display potent antitumor effects in vivo. This result will help to better improve the treatment efficacy against breast cancer.
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Affiliation(s)
- Chu Tang
- Engineering Research Center of Molecular and Neuro Imaging Ministry of Education
- School of Life Science and Technology
- Xidian University
- Xi’an
- China
| | - Yang Du
- CAS Key Laboratory of Molecular Imaging
- The State Key Laboratory of Management and Control for Complex Systems
- Institute of Automation
- Chinese Academy of Sciences
- Beijing 100190
| | - Qian Liang
- CAS Key Laboratory of Molecular Imaging
- The State Key Laboratory of Management and Control for Complex Systems
- Institute of Automation
- Chinese Academy of Sciences
- Beijing 100190
| | - Zhen Cheng
- Molecular Imaging Program at Stanford (MIPS)
- Department of Radiology, and Bio-X Program
- Canary Center at Stanford for Cancer Early Detection
- Stanford University
- Stanford
| | - Jie Tian
- Engineering Research Center of Molecular and Neuro Imaging Ministry of Education
- School of Life Science and Technology
- Xidian University
- Xi’an
- China
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39
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Bhatia S, Krieger V, Groll M, Osko JD, Reßing N, Ahlert H, Borkhardt A, Kurz T, Christianson DW, Hauer J, Hansen FK. Discovery of the First-in-Class Dual Histone Deacetylase-Proteasome Inhibitor. J Med Chem 2018; 61:10299-10309. [PMID: 30365892 DOI: 10.1021/acs.jmedchem.8b01487] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Dual- or multitarget drugs have emerged as a promising alternative to combination therapies. Proteasome inhibitors (PIs) possess synergistic activity with histone deacetylase (HDAC) inhibitors due to the simultaneous blockage of the ubiquitin degradation and aggresome pathways. Here, we present the design, synthesis, binding modes, and anticancer properties of RTS-V5 as the first-in-class dual HDAC-proteasome ligand. The inhibition of both targets was confirmed by biochemical and cellular assays as well as X-ray crystal structures of the 20S proteasome and HDAC6 complexed with RTS-V5. Cytotoxicity assays with leukemia and multiple myeloma cell lines as well as therapy refractory primary patient-derived leukemia cells demonstrated that RTS-V5 possesses potent and selective anticancer activity. Our results will thus guide the structure-based optimization of dual HDAC-proteasome inhibitors for the treatment of hematological malignancies.
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Affiliation(s)
- Sanil Bhatia
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty , Heinrich Heine University Düsseldorf , Moorenstrasse 5 , 40225 Düsseldorf , Germany
| | - Viktoria Krieger
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstrasse 1 , 40225 Düsseldorf , Germany
| | - Michael Groll
- Center for Integrated Protein Science at the Department Chemie, Lehrstuhl für Biochemie , Technische Universität München , Lichtenbergstrasse 4 , 85747 Garching , Germany
| | - Jeremy D Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Nina Reßing
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty , Leipzig University , Brüderstraße 34 , 04103 Leipzig , Germany
| | - Heinz Ahlert
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty , Heinrich Heine University Düsseldorf , Moorenstrasse 5 , 40225 Düsseldorf , Germany
| | - Arndt Borkhardt
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty , Heinrich Heine University Düsseldorf , Moorenstrasse 5 , 40225 Düsseldorf , Germany
| | - Thomas Kurz
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstrasse 1 , 40225 Düsseldorf , Germany
| | - David W Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry , University of Pennsylvania , 231 South 34th Street , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Julia Hauer
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty , Heinrich Heine University Düsseldorf , Moorenstrasse 5 , 40225 Düsseldorf , Germany
| | - Finn K Hansen
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty , Leipzig University , Brüderstraße 34 , 04103 Leipzig , Germany
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40
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Reßing N, Marquardt V, Gertzen CGW, Schöler A, Schramm A, Kurz T, Gohlke H, Aigner A, Remke M, Hansen FK. Design, synthesis and biological evaluation of β-peptoid-capped HDAC inhibitors with anti-neuroblastoma and anti-glioblastoma activity. MEDCHEMCOMM 2018; 10:1109-1115. [PMID: 31391882 DOI: 10.1039/c8md00454d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 10/18/2018] [Indexed: 11/21/2022]
Abstract
Histone deacetylases (HDACs) have been identified as promising epigenetic drug targets for the treatment of neuroblastoma and glioblastoma. In this work, we have rationally designed a novel class of peptoid-based histone deacetylase inhibitors (HDACi). A mini library of β-peptoid-capped HDACi was synthesized using a four-step protocol. All compounds were screened in biochemical assays for their inhibition of HDAC1 and HDAC6 and docking studies were performed to rationalize the observed selectivity profile. The synthesized compounds were further examined for tumor cell-inhibitory activity against a panel of neuroblastoma and glioblastoma cell lines. In particular, non-selective compounds with potent activity against HDAC1 and HDAC6 showed strong antiproliferative effects. The most promising HDACi, compound 6i, displayed submicromolar tumor cell-inhibitory potential (IC50: 0.21-0.67 μM) against all five cancer cell lines investigated and exceeded the activity of the FDA-approved HDACi vorinostat.
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Affiliation(s)
- Nina Reßing
- Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Leipzig University , Medical Faculty , Brüderstr. 34 , 04103 Leipzig , Germany . .,Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany
| | - Viktoria Marquardt
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany.,Department of Pediatric Oncology , Hematology, and Clinical Immunology, Medical Faculty , Heinrich-Heine-University , Moorenstr. 5 , 40225 Düsseldorf , Germany.,Department of Neuropathology , Medical Faculty , Heinrich-Heine-University , Moorenstr. 5 , 40225 Düsseldorf , Germany.,Division of Pediatric Neuro-Oncogenomics , German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK) , Partner site Essen/Düsseldorf , Moorenstr. 5 , 40225 Düsseldorf , Germany
| | - Christoph G W Gertzen
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany.,John von Neumann Institute for Computing (NIC) , Jülich Supercomputing Centre (JSC) and Institute for Complex Systems - Structural Biochemistry (ICS-6) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
| | - Andrea Schöler
- Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Leipzig University , Medical Faculty , Brüderstr. 34 , 04103 Leipzig , Germany .
| | - Alexander Schramm
- Department of Pediatric Oncology and Hematology , University Children's Hospital Essen , University of Duisburg-Essen , Hufelandstr. 55 , 45122 Essen , Germany
| | - Thomas Kurz
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany
| | - Holger Gohlke
- Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany.,John von Neumann Institute for Computing (NIC) , Jülich Supercomputing Centre (JSC) and Institute for Complex Systems - Structural Biochemistry (ICS-6) , Forschungszentrum Jülich GmbH , 52425 Jülich , Germany
| | - Achim Aigner
- Rudolf-Boehm-Institute for Pharmacology and Toxicology , Independent Division for Clinical Pharmacology , Leipzig University , Medical Faculty , Härtelstr. 16-18 , 04107 Leipzig , Germany
| | - Marc Remke
- Department of Pediatric Oncology , Hematology, and Clinical Immunology, Medical Faculty , Heinrich-Heine-University , Moorenstr. 5 , 40225 Düsseldorf , Germany.,Department of Neuropathology , Medical Faculty , Heinrich-Heine-University , Moorenstr. 5 , 40225 Düsseldorf , Germany.,Division of Pediatric Neuro-Oncogenomics , German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK) , Partner site Essen/Düsseldorf , Moorenstr. 5 , 40225 Düsseldorf , Germany
| | - Finn K Hansen
- Pharmaceutical/Medicinal Chemistry , Institute of Pharmacy , Leipzig University , Medical Faculty , Brüderstr. 34 , 04103 Leipzig , Germany . .,Institute for Pharmaceutical and Medicinal Chemistry , Heinrich Heine University Düsseldorf , Universitätsstr. 1 , 40225 Düsseldorf , Germany
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41
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Diedrich D, Stenzel K, Hesping E, Antonova-Koch Y, Gebru T, Duffy S, Fisher G, Schöler A, Meister S, Kurz T, Avery VM, Winzeler EA, Held J, Andrews KT, Hansen FK. One-pot, multi-component synthesis and structure-activity relationships of peptoid-based histone deacetylase (HDAC) inhibitors targeting malaria parasites. Eur J Med Chem 2018; 158:801-813. [PMID: 30245402 PMCID: PMC6195125 DOI: 10.1016/j.ejmech.2018.09.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 09/05/2018] [Accepted: 09/06/2018] [Indexed: 12/30/2022]
Abstract
Malaria drug discovery has shifted from a focus on targeting asexual blood stage parasites, to the development of drugs that can also target exo-erythrocytic forms and/or gametocytes in order to prevent malaria and/or parasite transmission. In this work, we aimed to develop parasite-selective histone deacetylase inhibitors (HDACi) with activity against the disease-causing asexual blood stages of Plasmodium malaria parasites as well as with causal prophylactic and/or transmission blocking properties. An optimized one-pot, multi-component protocol via a sequential Ugi four-component reaction and hydroxylaminolysis was used for the preparation of a panel of peptoid-based HDACi. Several compounds displayed potent activity against drug-sensitive and drug-resistant P. falciparum asexual blood stages, high parasite-selectivity and submicromolar activity against exo-erythrocytic forms of P. berghei. Our optimization study resulted in the discovery of the hit compound 1u which combines high activity against asexual blood stage parasites (Pf 3D7 IC50: 4 nM; Pf Dd2 IC50: 1 nM) and P. berghei exo-erythrocytic forms (Pb EEF IC50: 25 nM) with promising parasite-specific activity (SIPf3D7/HepG2: 2496, SIPfDd2/HepG2: 9990, and SIPbEEF/HepG2: 400).
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Affiliation(s)
- Daniela Diedrich
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Katharina Stenzel
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany; Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia
| | - Eva Hesping
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia
| | - Yevgeniya Antonova-Koch
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Tamirat Gebru
- Institut für Tropenmedizin, Eberhard Karls Universität Tübingen, Wilhelmstraße 27, 72074, Tübingen, Germany
| | - Sandra Duffy
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia
| | - Gillian Fisher
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia
| | - Andrea Schöler
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany
| | - Stephan Meister
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Thomas Kurz
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Vicky M Avery
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia
| | - Elizabeth A Winzeler
- Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Jana Held
- Institut für Tropenmedizin, Eberhard Karls Universität Tübingen, Wilhelmstraße 27, 72074, Tübingen, Germany
| | - Katherine T Andrews
- Griffith Institute for Drug Discovery, Griffith University, Don Young Road, Nathan Campus, QLD, 4111, Australia.
| | - Finn K Hansen
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany; Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstraße 34, 04103, Leipzig, Germany.
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42
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Porter NJ, Osko JD, Diedrich D, Kurz T, Hooker JM, Hansen FK, Christianson DW. Histone Deacetylase 6-Selective Inhibitors and the Influence of Capping Groups on Hydroxamate-Zinc Denticity. J Med Chem 2018; 61:8054-8060. [PMID: 30118224 PMCID: PMC6136958 DOI: 10.1021/acs.jmedchem.8b01013] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Four crystal structures are presented of histone deacetylase 6 (HDAC6) complexes with para-substituted phenylhydromaxamate inhibitors, including bulky peptoids. These structures provide insight regarding the design of capping groups that confer selectivity for binding to HDAC6, specifically with regard to interactions in a pocket formed by the L1 loop. Capping group interactions may also influence hydroxamate-Zn2+ coordination with monodentate or bidentate geometry.
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Affiliation(s)
- Nicholas J. Porter
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
| | - Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
| | - Daniela Diedrich
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany
| | - Thomas Kurz
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany
| | - Jacob M. Hooker
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts 02129, United States
| | - Finn K. Hansen
- Institut für Pharmazeutische und Medizinische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, 40225 Düsseldorf, Germany
- Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Medical Faculty, Leipzig University, Brüderstr. 34, 04103 Leipzig, Germany
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104-6323, United States
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43
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Novel spiroindoline HDAC inhibitors: Synthesis, molecular modelling and biological studies. Eur J Med Chem 2018; 157:127-138. [DOI: 10.1016/j.ejmech.2018.07.069] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 07/27/2018] [Accepted: 07/29/2018] [Indexed: 02/08/2023]
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