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Li Y, Yang H, Zhao X, Zhao X, Quan J, Wang L, Ma E, Ma C. Discovery of novel pyrrolo[2,1-c][1,4]benzodiazepine-3,11-dione (PBD) derivatives as selective HDAC6 inhibitors for the efficient treatment of idiopathic pulmonary fibrosis (IPF) in vitro and in vivo. Eur J Med Chem 2024; 275:116608. [PMID: 38905805 DOI: 10.1016/j.ejmech.2024.116608] [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: 04/15/2024] [Revised: 06/06/2024] [Accepted: 06/14/2024] [Indexed: 06/23/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease characterized by a progressive fibrotic phenotype. Immunohistochemical studies on HDAC6 overexpression in IPF lung tissues confirmed that IPF is associated with aberrant HDAC6 activity. We herein developed a series of novel HDAC6 inhibitors that can be used as potential pharmacological tools for IPF treatment. The best-performing derivative H10 showed good selectivity for multiple isoforms of the HDAC family. The structural analysis and structure-activity relationship studies of H10 will contribute to optimizing the binding mode of the new molecules. The pharmacological mechanism of H10 to inhibit pulmonary fibrosis was validated, and its ability to inhibit the IPF phenotype was also demonstrated. Moreover, H10 showed satisfactory metabolic stability. The efficacy of H10 was also determined in a mouse model of bleomycin-induced pulmonary fibrosis. The results highlighted in this paper may provide a reference for the identification of new drug molecules for the treatment of IPF.
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Affiliation(s)
- Yanchun Li
- Department of Pharmacology, School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, People's Republic of China
| | - Huali Yang
- 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, People's Republic of China
| | - Xiangling Zhao
- Department of Pharmacology, School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, People's Republic of China
| | - Xianchen Zhao
- Department of Pharmacology, School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, People's Republic of 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, People's Republic of China
| | - Lei 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, People's Republic of China
| | - Enlong Ma
- Department of Pharmacology, School of Life Sciences and Biopharmaceutical Science, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, People's Republic of 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, People's Republic of China.
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Lill A, Schweipert M, Nehls T, Wurster E, Lermyte F, Meyer-Almes FJ, Schmitz K. Design and synthesis of peptides as stabilizers of histone deacetylase 4. J Pept Sci 2024; 30:e3603. [PMID: 38623824 DOI: 10.1002/psc.3603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/17/2024]
Abstract
Histone deacetylase 4 (HDAC4) contributes to gene repression by complex formation with HDAC3 and the corepressor silencing mediator for retinoid or thyroid hormone receptors (SMRT). We hypothesized that peptides derived from the class IIa specific binding site of SMRT would stabilize a specific conformation of its target protein and modulate its activity. Based on the SMRT-motif 1 (SM1) involved in the interaction of SMRT with HDAC4, we systematically developed cyclic peptides that exhibit Ki values that are 9 to 56 times lower than that of the linear SMRT peptide. The peptide macrocycles stabilize the wildtype of the catalytic domain of HDAC4 (cHDAC4) considerably better than its thermally more stable 'gain-of-function' (GOF) variant, cHDAC4-H976Y. Molecular docking and mutagenesis studies indicated that the cyclic peptides bind in a similar but not identical manner as the linear SMRT peptide to a discontinuous binding site. Ion mobility mass spectrometry showed no major changes in the protein fold upon peptide binding. Consistent with these results, preliminary hydrogen-deuterium exchange mass spectrometry measurements indicated only minor conformational changes. Taken together, the cyclic SMRT peptides most likely stabilize the apo form of cHDAC4.
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Affiliation(s)
- Annika Lill
- Biological Chemistry, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Technical University of Darmstadt, Darmstadt, Germany
| | - Markus Schweipert
- Physical Biochemistry, Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Darmstadt, Germany
| | - Thomas Nehls
- Conformation-Sensitive Mass Spectrometry Laboratory, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Technical University of Darmstadt, Darmstadt, Germany
| | - Eva Wurster
- Physical Biochemistry, Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Darmstadt, Germany
| | - Frederik Lermyte
- Conformation-Sensitive Mass Spectrometry Laboratory, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Technical University of Darmstadt, Darmstadt, Germany
| | - Franz-Josef Meyer-Almes
- Physical Biochemistry, Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt, Darmstadt, Germany
| | - Katja Schmitz
- Biological Chemistry, Clemens-Schöpf-Institute of Organic Chemistry and Biochemistry, Technical University of Darmstadt, Darmstadt, Germany
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3
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Bharadwaj KK, Ahmad I, Pati S, Ghosh A, Rabha B, Sarkar T, Bhattacharjya D, Patel H, Baishya D. Screening of Phytocompounds for Identification of Prospective Histone Deacetylase 1 (HDAC1) Inhibitor: An In Silico Molecular Docking, Molecular Dynamics Simulation, and MM-GBSA Approach. Appl Biochem Biotechnol 2024; 196:3747-3764. [PMID: 37776441 DOI: 10.1007/s12010-023-04731-3] [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] [Accepted: 09/15/2023] [Indexed: 10/02/2023]
Abstract
The upregulation of HDAC1 facilitate the induction of epigenetic repression of genes responsible for suppressing tumourigenesis, thereby triggering the development of cancer. HDAC1 inhibitors have thus emerged as possible therapeutic approaches against a variety of human malignancies, as they can inhibit the activity of certain HDACs, repair the overexpression of tumour suppressor genes, and induce cell differentiation, cell cycle arrest, and apoptosis. In this study, among 810 virtually screened compounds, Pinocembrin (PHUB000396) had a significant binding affinity (-7.99 kcal/mol). In molecular dynamics simulation (MD) studies for 200 ns time scale, the compound Pinocembrin effectively undergoes conformational optimization, thereby enabling its accommodation within the active site of the receptor. This outcome serves as a rational for the observed binding affinity. The optimal binding free energy calculations using the Molecular Mechanics Generalized Born Surface Area (MM-GBSA) (-35.86 ± 7.52 kcal/mol) showed the significant role of van der Waals forces and Coulomb interactions in the stability of the respective complex. The pharmacokinetic study showed its potential as a lead compound. The in-silico cytotoxicity prediction also confirmed its potential as an active anticancer phytocompound in lung and brain cancer. Therefore, it can be predicted that Pinocembrin could be a useful bioactive compound as an HDAC1 inhibitor and could be used in developing epigenetic therapy in cancer such as brain cancer and lung cancer to regulate gene expression.
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Affiliation(s)
- Kaushik Kumar Bharadwaj
- Department of Bioengineering and Technology, Gauhati University, Guwahati, 781014, Assam, India
| | - Iqrar Ahmad
- Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, Maharashtra, India
| | - Siddhartha Pati
- Skills Innovation & Academic Network (SIAN) Institute-ABC, Balasore, 756001, Odisha, India
- NatNov Bioscience Private Limited, 756001, Balasore, Odisha, India
| | - Arabinda Ghosh
- Microbiology Division, Department of Botany, Gauhati University, Guwahati, Assam, India, 781014
| | - Bijuli Rabha
- Department of Bioengineering and Technology, Gauhati University, Guwahati, 781014, Assam, India
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda, 732102, West Bengal, India
| | - Dorothy Bhattacharjya
- Department of Bioengineering and Technology, Gauhati University, Guwahati, 781014, Assam, India
| | - Harun Patel
- Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, Maharashtra, India
| | - Debabrat Baishya
- Department of Bioengineering and Technology, Gauhati University, Guwahati, 781014, Assam, India.
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4
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Ahmad B, Saeed A, Al-Amery A, Celik I, Ahmed I, Yaseen M, Khan IA, Al-Fahad D, Bhat MA. Investigating Potential Cancer Therapeutics: Insight into Histone Deacetylases (HDACs) Inhibitions. Pharmaceuticals (Basel) 2024; 17:444. [PMID: 38675404 PMCID: PMC11054547 DOI: 10.3390/ph17040444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/28/2024] Open
Abstract
Histone deacetylases (HDACs) are enzymes that remove acetyl groups from ɛ-amino of histone, and their involvement in the development and progression of cancer disorders makes them an interesting therapeutic target. This study seeks to discover new inhibitors that selectively inhibit HDAC enzymes which are linked to deadly disorders like T-cell lymphoma, childhood neuroblastoma, and colon cancer. MOE was used to dock libraries of ZINC database molecules within the catalytic active pocket of target HDACs. The top three hits were submitted to MD simulations ranked on binding affinities and well-occupied interaction mechanisms determined from molecular docking studies. Inside the catalytic active site of HDACs, the two stable inhibitors LIG1 and LIG2 affect the protein flexibility, as evidenced by RMSD, RMSF, Rg, and PCA. MD simulations of HDACs complexes revealed an alteration from extended to bent motional changes within loop regions. The structural deviation following superimposition shows flexibility via a visual inspection of movable loops at different timeframes. According to PCA, the activity of HDACs inhibitors induces structural dynamics that might potentially be utilized to define the nature of protein inhibition. The findings suggest that this study offers solid proof to investigate LIG1 and LIG2 as potential HDAC inhibitors.
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Affiliation(s)
- Basharat Ahmad
- School of Life Science and Technology, Center for Informational Biology, University of Electronics Science and Technology of China, Chengdu 610056, China
| | - Aamir Saeed
- Department of Bioinformatics, Hazara University Mansehra, Mansehra 21120, Pakistan
| | - Ahmed Al-Amery
- Department of Physiology and Medical Physics, College of Medicine, University of Thi-Qar, Nasiriyah 64001, Iraq
| | - Ismail Celik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, 38280 Kayseri, Turkey;
| | - Iraj Ahmed
- Atta-Ur-Rehman School of Applied Biosciences (ASAB), National University of Science and Technology (NUST), Islamabad 44000, Pakistan;
| | - Muhammad Yaseen
- Institute of Chemical Sciences, University of Swat, Charbagh 19130, Pakistan;
| | - Imran Ahmad Khan
- Department of Chemistry, Government College University Faisalabad, Faisalabad 38000, Pakistan;
| | - Dhurgham Al-Fahad
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Thi-Qar, Nasiriyah 64001, Iraq;
| | - Mashooq Ahmad Bhat
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11421, Saudi Arabia
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5
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Esther Rubavathy SM, Rajapandian V, Prakash M. Exploration of novel hydroxamate zinc binding group inhibitors against HDAC-1-3 enzymes by AI-based virtual screening: atomistic insights from steered molecular dynamics. J Biomol Struct Dyn 2024:1-12. [PMID: 38456827 DOI: 10.1080/07391102.2024.2325104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/24/2024] [Indexed: 03/09/2024]
Abstract
Overexpression of histone deacetylase (HDAC) enzymes is linked to a wide variety of illnesses, including malignancies and neurological disorders, which makes HDAC inhibitors potentially therapeutic. However, most HDAC inhibitors lack subclass or isoform selectivity, which can be dangerous. Featuring both enhanced selectivity and toxicity profiles, slow-binding HDAC inhibitors offer promising treatment options for a variety of disorders. Diseases like cardiac, neurodegenerative disorders and diabetes are mainly associated with the HDAC1, HDAC2 and HDAC3 enzymes. The AI-based virtual screening tool PyRMD is implemented to identify the potential inhibitors from ∼2 million compounds. Based on the IC50 values, the top 10 compounds were selected for molecular docking. From the docking and ADMET study, the top-ranked three compounds were selected for molecular dynamics (MD) simulations. Further, to get more insights into the binding/unbinding mechanism of the ligand, we have employed the steered molecular dynamics (SMD) simulations. This study assists in developing Amber force field parameters for the HDAC1, HDAC2 and HDAC3 proteins and sheds light on the discovery of a potent drug. Our study suggests that hydroxamic acid derivative (i.e. referred to as Comp-1, CHEMBL600072) is the potential inhibitor for the series of HDAC-related diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- S M Esther Rubavathy
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - V Rajapandian
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, Tamil Nadu, India
| | - M Prakash
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
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6
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Schweipert M, Nehls T, Frühauf A, Debarnot C, Kumar A, Knapp S, Lermyte F, Meyer‐Almes F. The catalytic domain of free or ligand bound histone deacetylase 4 occurs in solution predominantly in closed conformation. Protein Sci 2024; 33:e4917. [PMID: 38358265 PMCID: PMC10868454 DOI: 10.1002/pro.4917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/16/2024]
Abstract
Human histone deacetylase 4 (HDAC4) is a key epigenetic regulator involved in a number of important cellular processes. This makes HDAC4 a promising target for the treatment of several cancers and neurodegenerative diseases, in particular Huntington's disease. HDAC4 is highly regulated by phosphorylation and oxidation, which determine its nuclear or cytosolic localization, and exerts its function through multiple interactions with other proteins, forming multiprotein complexes of varying composition. The catalytic domain of HDAC4 is known to interact with the SMRT/NCOR corepressor complex when the structural zinc-binding domain (sZBD) is intact and forms a closed conformation. Crystal structures of the HDAC4 catalytic domain have been reported showing an open conformation of HDAC4 when bound to certain ligands. Here, we investigated the relevance of this HDAC4 conformation under physiological conditions in solution. We show that proper zinc chelation in the sZBD is essential for enzyme function. Loss of the structural zinc ion not only leads to a massive decrease in enzyme activity, but it also has serious consequences for the overall structural integrity and stability of the protein. However, the Zn2+ free HDAC4 structure in solution is incompatible with the open conformation. In solution, the open conformation of HDAC4 was also not observed in the presence of a variety of structurally divergent ligands. This suggests that the open conformation of HDAC4 cannot be induced in solution, and therefore cannot be exploited for the development of HDAC4-specific inhibitors.
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Affiliation(s)
- Markus Schweipert
- Department of Chemical Engineering and BiotechnologyUniversity of Applied SciencesDarmstadtGermany
| | - Thomas Nehls
- Department of ChemistryClemens‐Schöpf‐Institute of Chemistry and Biochemistry, Technical University of DarmstadtDarmstadtGermany
| | - Anton Frühauf
- Department of Chemical Engineering and BiotechnologyUniversity of Applied SciencesDarmstadtGermany
| | - Cecilé Debarnot
- Department of Chemical Engineering and BiotechnologyUniversity of Applied SciencesDarmstadtGermany
| | - Adarsh Kumar
- Fachbereich Biochemie, Chemie und PharmazieInstitut für Pharmazeutische Chemie, Goethe‐University FrankfurtFrankfurt Am MainGermany
| | - Stefan Knapp
- Fachbereich Biochemie, Chemie und PharmazieInstitut für Pharmazeutische Chemie, Goethe‐University FrankfurtFrankfurt Am MainGermany
| | - Frederik Lermyte
- Department of ChemistryClemens‐Schöpf‐Institute of Chemistry and Biochemistry, Technical University of DarmstadtDarmstadtGermany
| | - Franz‐Josef Meyer‐Almes
- Department of Chemical Engineering and BiotechnologyUniversity of Applied SciencesDarmstadtGermany
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7
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Jha S, Kim JH, Kim M, Nguyen AH, Ali KH, Gupta SK, Park SY, Ha E, Seo YH. Design, synthesis, and biological evaluation of HDAC6 inhibitors targeting L1 loop and serine 531 residue. Eur J Med Chem 2024; 265:116057. [PMID: 38142511 DOI: 10.1016/j.ejmech.2023.116057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/12/2023] [Accepted: 12/12/2023] [Indexed: 12/26/2023]
Abstract
Histone deacetylases (HDACs) are a group of enzymes that remove acetyl groups from histones, leading to the silencing of genes. Targeting specific isoforms of HDACs has emerged as a promising approach for cancer therapy, as it can overcome drawbacks associated with pan-HDAC inhibitors. HDAC6 is a unique HDAC isoform that deacetylates non-histone proteins and is primarily located in the cytoplasm. It also has two catalytic domains and a zinc-finger ubiquitin binding domain (Zf-UBD) unlike other HDACs. HDAC6 plays a critical role in various cellular processes, including cell motility, protein degradation, cell proliferation, and transcription. Hence, the deregulation of HDAC6 is associated with various malignancies. In this study, we report the design and synthesis of a series of HDAC6 inhibitors. We evaluated the synthesized compounds by HDAC enzyme assay and identified that compound 8g exhibited an IC50 value of 21 nM and 40-fold selective activity towards HDAC6. We also assessed the effect of compound 8g on various cell lines and determined its ability to increase protein acetylation levels by Western blotting. Furthermore, the increased acetylation of α-tubulin resulted in microtubule polymerization and changes in cell morphology. Our molecular docking study supported these findings by demonstrating that compound 8g binds well to the catalytic pocket via L1 loop of HDAC6 enzyme. Altogether, compound 8g represents a preferential HDAC6 inhibitor that could serve as a lead for the development of more potent and specific inhibitors.
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Affiliation(s)
- Sonam Jha
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea
| | - Ji Hyun Kim
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea
| | - Mikyung Kim
- Department of Biochemistry, School of Medicine, Keimyung University, Daegu, 704-701, South Korea
| | - Ai-Han Nguyen
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea
| | - Khan Hashim Ali
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea
| | - Sunil K Gupta
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea
| | - Sun You Park
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (KMEDIhub), 41061, South Korea
| | - Eunyoung Ha
- Department of Biochemistry, School of Medicine, Keimyung University, Daegu, 704-701, South Korea.
| | - Young Ho Seo
- College of Pharmacy, Keimyung University, Daegu, 704-701, South Korea.
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8
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Shirbhate E, Singh V, Jahoriya V, Mishra A, Veerasamy R, Tiwari AK, Rajak H. Dual inhibitors of HDAC and other epigenetic regulators: A novel strategy for cancer treatment. Eur J Med Chem 2024; 263:115938. [PMID: 37989059 DOI: 10.1016/j.ejmech.2023.115938] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/25/2023] [Accepted: 11/05/2023] [Indexed: 11/23/2023]
Abstract
A significant advancement in the field of epigenetic drug discovery has been evidenced in recent years. Epigenetic alterations are hereditary, nevertheless reversible variations to DNA or histone adaptations that regulate gene function individualistically of the fundamental sequence. The design and synthesis of various drugs targeting epigenetic regulators open a new door for epigenetic-targeted therapies to parade worthwhile therapeutic potential for haematological and solid malignancies. Several ongoing clinical trials on dual targeting strategy are being conducted comprising HDAC inhibitory component and an epigenetic regulating agent. In this perspective, the review discusses the pharmacological aspects of HDAC and other epigenetic regulating factors as dual inhibitors as an emerging alternative approach for combination therapies.
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Affiliation(s)
- Ekta Shirbhate
- Department of Pharmacy, Guru Ghasidas University, Bilaspur, 495 009, CG, India
| | - Vaibhav Singh
- Department of Pharmacy, Guru Ghasidas University, Bilaspur, 495 009, CG, India
| | - Varsha Jahoriya
- Department of Pharmacy, Guru Ghasidas University, Bilaspur, 495 009, CG, India
| | - Aditya Mishra
- Department of Pharmacy, Guru Ghasidas University, Bilaspur, 495 009, CG, India
| | - Ravichandran Veerasamy
- Faculty of Pharmacy, AIMST University, Semeling, 08100, Bedong, Kedah Darul Aman, Malaysia
| | - Amit K Tiwari
- Cancer & System Therapeutics, UAMS College of Pharmacy, UAMS - University of Arkansas for Medical Sciences, AR, United States
| | - Harish Rajak
- Department of Pharmacy, Guru Ghasidas University, Bilaspur, 495 009, CG, India.
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Raouf YS, Sedighi A, Geletu M, Frere GA, Allan RG, Nawar N, de Araujo ED, Gunning PT. Discovery of YSR734: A Covalent HDAC Inhibitor with Cellular Activity in Acute Myeloid Leukemia and Duchenne Muscular Dystrophy. J Med Chem 2023; 66:16658-16679. [PMID: 38060537 DOI: 10.1021/acs.jmedchem.3c01236] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Histone deacetylases (HDACs) have emerged as powerful epigenetic modifiers of histone/non-histone proteins via catalyzing the deacetylation of ε-N-acetyl lysines. The dysregulated activity of these Zn2+-dependent hydrolases has been broadly implicated in disease, notably cancer. Clinically, the recurring dose-limiting toxicities of first-generation HDACi sparked a paradigm shift toward safer isoform-specific molecules. With pervasive roles in aggressive diseases, there remains a need for novel approaches to target these enzymes. Herein, we report the discovery of YSR734, a first-in-class covalent HDACi, with a 2-aminobenzanilide Zn2+ chelate and a pentafluorobenzenesulfonamide electrophile. This class I selective proof of concept modified HDAC2Cys274 (catalytic domain), with nM potency against HDAC1-3, sub-μM activity in MV4-11 cells, and limited cytotoxicity in MRC-9 fibroblasts. In C2C12 myoblasts, YSR734 activated muscle-specific biomarkers myogenin/Cav3, causing potent differentiation into myotubes (applications in Duchenne Muscular Dystrophy). Current efforts are focused on improving in vivo ADME toward a preclinical covalent HDACi.
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Affiliation(s)
- Yasir S Raouf
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Abootaleb Sedighi
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Mulu Geletu
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Geordon A Frere
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Rebecca G Allan
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Nabanita Nawar
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Elvin D de Araujo
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
| | - Patrick T Gunning
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario L5L 1C6, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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10
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Guzmán Ramírez JE, Mancilla Percino T. Synthesis of N-aminophalimides derived from α-amino acids: Theoretical study to find them as HDAC8 inhibitors by docking simulations and in vitro assays. Chem Biol Drug Des 2023; 102:1367-1386. [PMID: 37641461 DOI: 10.1111/cbdd.14323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/31/2023]
Abstract
Phthalimides are valuable for synthesis and biological properties. New acetamides 3(a-c) and 4(a-c) were synthesized and characterized as precursors for novel N-aminophalimides 5(a-c) and 6(a-c). Structures of 4a, 5(a-b), and 6(a-b) were confirmed by single crystal X-ray. Docking studies identified compounds with favorable Gibbs free energy values for binding to histone deacetylase 8 (HDAC8), an enzyme targeted for anticancer drug development. These compounds bound to both the orthosteric and allosteric pockets of HDAC8, similar to Trichostatin A (TSA), an HDAC8 inhibitor. 6(a-c) contain hydroxyacetamide moiety as a zinc-binding group, a phthalimide moiety as a capping group, and aminoacetamide moiety as a linker group, which are important for ligand-receptor binding. ΔG values indicated that compounds 5b, 6b, and 6c had higher affinity for HDAC8 in the allosteric pocket compared to TSA. In vitro evaluation of inhibitory activities on HDAC8 revealed that compounds 3(a-c) and 5(a-c) showed similar inhibitory effects (IC50 ) ranging from 0.445 to 0.751 μM. Compounds 6(a-c) showed better affinity, with 6a (IC50 = 28 nM) and 6b (IC50 = 0.18 μM) showing potent inhibitory effects slightly lower than TSA (IC50 = 26 nM). These findings suggest that the studied compounds hold promise as potential candidates for further biological investigations.
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Affiliation(s)
- José Eduardo Guzmán Ramírez
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Teresa Mancilla Percino
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ciudad de México, Mexico
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11
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Papa A, Cursaro I, Pozzetti L, Contri C, Cappello M, Pasquini S, Carullo G, Ramunno A, Gemma S, Varani K, Butini S, Campiani G, Vincenzi F. Pioneering first-in-class FAAH-HDAC inhibitors as potential multitarget neuroprotective agents. Arch Pharm (Weinheim) 2023; 356:e2300410. [PMID: 37750286 DOI: 10.1002/ardp.202300410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/27/2023]
Abstract
Aiming to simultaneously modulate the endocannabinoid system (ECS) functions and the epigenetic machinery, we selected the fatty acid amide hydrolase (FAAH) and histone deacetylase (HDAC) enzymes as desired targets to develop potential neuroprotective multitarget-directed ligands (MTDLs), expecting to achieve an additive or synergistic therapeutic effect in oxidative stress-related conditions. We herein report the design, synthesis, and biological evaluation of the first-in-class FAAH-HDAC multitarget inhibitors. A pharmacophore merging strategy was applied, yielding 1-phenylpyrrole-based compounds 4a-j. The best-performing compounds (4c, 4f, and 4h) were tested for their neuroprotective properties in oxidative stress models, employing 1321N1 human astrocytoma cells and SHSY5 human neuronal cells. In our preliminary studies, compound 4h stood out, showing a balanced nanomolar inhibitory activity against the selected targets and outperforming the standard antioxidant N-acetylcysteine in vitro. Together with 4f, 4h was also able to protect 1321N1 cells from tert-butyl hydroperoxide or glutamate insult. Our study may provide the basis for the development of novel MTDLs targeting the ECS and epigenetic enzymes.
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Affiliation(s)
- Alessandro Papa
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Ilaria Cursaro
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Luca Pozzetti
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Chiara Contri
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Martina Cappello
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Silvia Pasquini
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Ferrara, Italy
| | - Gabriele Carullo
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Anna Ramunno
- Department of Pharmacy, University of Salerno, Fisciano, Italy
| | - Sandra Gemma
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Katia Varani
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Stefania Butini
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Giuseppe Campiani
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy
| | - Fabrizio Vincenzi
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
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12
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Wang Z, Zhao L, Zhang B, Feng J, Wang Y, Zhang B, Jin H, Ding L, Wang N, He S. Discovery of novel polysubstituted N-alkyl acridone analogues as histone deacetylase isoform-selective inhibitors for cancer therapy. J Enzyme Inhib Med Chem 2023; 38:2206581. [PMID: 37144599 PMCID: PMC10165928 DOI: 10.1080/14756366.2023.2206581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023] Open
Abstract
Pan-histone deacetylase (HDAC) inhibitors often have some toxic side effects. In this study, three series of novel polysubstituted N-alkyl acridone analogous were designed and synthesised as HDAC isoform-selective inhibitors. Among them, 11b and 11c exhibited selective inhibition of HDAC1, HDAC3, and HDAC10, with IC50 values ranging from 87 nM to 418 nM. However, these compounds showed no inhibitory effect against HDAC6 and HDAC8. Moreover, 11b and 11c displayed potent antiproliferative activity against leukaemia HL-60 cells and colon cancer HCT-116 cells, with IC50 values ranging from 0.56 μM to 4.21 μM. Molecular docking and energy scoring functions further analysed the differences in the binding modes of 11c with HDAC1/6. In vitro anticancer studies revealed that the hit compounds 11b and 11c effectively induced histone H3 acetylation, S-phase cell cycle arrest, and apoptosis in HL-60 cells in a concentration-dependent manner.
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Affiliation(s)
- Ze Wang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Li Zhao
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, People's Republic of China
| | - Bo Zhang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Jiahe Feng
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Yule Wang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Bin Zhang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Haixiao Jin
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Lijian Ding
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
| | - Ning Wang
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, People's Republic of China
| | - Shan He
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, People's Republic of China
- Ningbo Institute of Marine Medicine, Peking University, Ningbo, People's Republic of China
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13
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Moi D, Bonanni D, Belluti S, Linciano P, Citarella A, Franchini S, Sorbi C, Imbriano C, Pinzi L, Rastelli G. Discovery of potent pyrrolo-pyrimidine and purine HDAC inhibitors for the treatment of advanced prostate cancer. Eur J Med Chem 2023; 260:115730. [PMID: 37633202 DOI: 10.1016/j.ejmech.2023.115730] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/01/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023]
Abstract
The development of drugs for the treatment of advanced prostate cancer (PCA) remains a challenging task. In this study we have designed, synthesized and tested twenty-nine novel HDAC inhibitors based on three different zinc binding groups (trifluoromethyloxadiazole, hydroxamic acid, and 2-mercaptoacetamide). These warheads were conveniently tethered to variously substituted phenyl linkers and decorated with differently substituted pyrrolo-pyrimidine and purine cap groups. Remarkably, most of the compounds showed nanomolar inhibitory activity against HDAC6. To provide structural insights into the Structure-Activity Relationships (SAR) of the investigated compounds, docking of representative inhibitors and molecular dynamics of HDAC6-inhibitor complexes were performed. Compounds of the trifluoromethyloxadiazole and hydroxamic acid series exhibited promising anti-proliferative activities, HDAC6 targeting in PCA cells, and in vitro tumor selectivity. Representative compounds of the two series were tested for solubility, cell permeability and metabolic stability, demonstrating favorable in vitro drug-like properties. The more interesting compounds were subjected to migration assays, which revealed that compound 13 and, to a lesser extent, compound 15 inhibited the invasive behaviour of androgen-sensitive and -insensitive advanced prostate cancer cells. Compound 13 was profiled against all HDACs and found to inhibit all members of class II HDACs (except for HDAC10) and to be selective with respect to class I and class IV HDACs. Overall, compound 13 combines potent inhibitory activity and class II selectivity with favorable drug-like properties, an excellent anti-proliferative activity and marked anti-migration properties on PCA cells, making it an excellent lead candidate for further optimization.
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Affiliation(s)
- Davide Moi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Davide Bonanni
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Silvia Belluti
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Pasquale Linciano
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Andrea Citarella
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Silvia Franchini
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Claudia Sorbi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Carol Imbriano
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy
| | - Luca Pinzi
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy.
| | - Giulio Rastelli
- Department of Life Sciences, University of Modena and Reggio Emilia, Via Giuseppe Campi 103, 41125, Modena, Italy.
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14
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Esther Rubavathy SM, Palanisamy K, Priyankha S, Thilagavathi R, Prakash M, Selvam C. Discovery of novel HDAC8 inhibitors from natural compounds by in silico high throughput screening. J Biomol Struct Dyn 2023; 41:9492-9502. [PMID: 36369945 DOI: 10.1080/07391102.2022.2142668] [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: 08/18/2022] [Accepted: 10/27/2022] [Indexed: 11/14/2022]
Abstract
A class I histone deacetylase HDAC8 is associated with several diseases, including cancer, intellectual impairment and parasite infection. Most of the HDAC inhibitors that have so far been found to inhibit HDAC8 limit their efficacy in the clinic by producing toxicities. It is therefore very desirable to develop specific HDAC8 inhibitors. The emergence of HDAC inhibitors derived from natural sources has become quite popular. In recent decades, it has been shown that naturally occurring HDAC inhibitors have strong anticancer properties. A total of 0.2 million natural compounds were screened against HDAC8 from the Universal Natural Product Database (UNPD). Molecular docking was performed for these natural compounds and the top six hits were obtained. In addition, molecular dynamics (MD) simulations were used to evaluate the structural stability and binding affinity of the inhibitors, which showed that the protein-ligand complexes remained stable throughout the 100 ns simulation. MM-PBSA method demonstrated that the selected compounds have high affinity towards HDAC8. We infer from our findings that Hit-1 (-29.35 kcal mol-1), Hit-2 (-29.15 kcal mol-1) and Hit-6 (-30.28 kcal mol-1) have better binding affinity and adhesion to ADMET (absorption, distribution, metabolism, excretion and toxicity) characteristics against HDAC8. To compare our discussions and result in an effective way. We performed molecular docking, MD and MM-PBSA analysis for the FDA-approved drug romidepsin. The above results show that our hits show better binding affinity than the compound romidepsin (-12.03 ± 4.66 kcal mol-1). The important hotspot residues Asp29, Ile34, Trp141, Phe152, Asp267, Met274 and Tyr306 have significantly contributed to the protein-ligand interaction. These findings suggest that in vitro testing and additional optimization may lead to the development of HDAC8 inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- S M Esther Rubavathy
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu, Tamil Nadu, India
| | - Kandhan Palanisamy
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu, Tamil Nadu, India
| | - S Priyankha
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu, Tamil Nadu, India
| | - Ramasamy Thilagavathi
- Department of Biotechnology, Faculty of Engineering, Karpagam Academy of Higher Education, Coimbatore, India
| | - Muthuramalingam Prakash
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Chengalpattu, Tamil Nadu, India
| | - Chelliah Selvam
- Department of Pharmaceutical and Environmental Health Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX, USA
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15
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Pulya S, Himaja A, Paul M, Adhikari N, Banerjee S, Routholla G, Biswas S, Jha T, Ghosh B. Selective HDAC3 Inhibitors with Potent In Vivo Antitumor Efficacy against Triple-Negative Breast Cancer. J Med Chem 2023; 66:12033-12058. [PMID: 37660352 DOI: 10.1021/acs.jmedchem.3c00614] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
HDAC3 modulation shows promise for breast cancer, including triple-negative cases. Novel pyrazino-hydrazide-based HDAC3 inhibitors were designed and synthesized. Lead compound 4i exhibited potent HDAC3 inhibition (IC50 = 14 nM) with at least 121-fold selectivity. It demonstrated strong cytotoxicity against triple-negative breast cancer cells (IC50: 0.55 μM for 4T1, 0.74 μM for MDA-MB-231) with least normal cell toxicity. Metabolically stable 4i displayed a superior pharmacokinetic profile. A dose-dependent therapeutic efficacy of 4i was observed in a tumor-bearing mouse model. The biomarker analysis with tumor tissues displayed enhanced acetylation on Ac-H3K9, Ac-H3K27, and Ac-H4K12 compared to Ac-tubulin and Ac-SMC3 indicating HDAC3 selectivity of 4i in vivo. The immunoblotting study with tumor tissue showed upregulation of apoptotic proteins caspase-3, caspase-7, and cytochrome c and the downregulation of proliferation markers Bcl-2, CD44, EGFR, and Ki-67. Compound 4i represents a promising candidate for targeted breast cancer therapy, particularly for cases with triple-negative breast cancer.
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Affiliation(s)
- Sravani Pulya
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Ambati Himaja
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Milan Paul
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Nilanjan Adhikari
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Suvankar Banerjee
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Ganesh Routholla
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Swati Biswas
- Nanomedicine Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, P.O. Box 17020, Kolkata, West Bengal 700032, India
| | - Balaram Ghosh
- Epigenetic Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani Hyderabad Campus, Shamirpet, Hyderabad 500078, India
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16
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Patel U, Smalley JP, Hodgkinson JT. PROTAC chemical probes for histone deacetylase enzymes. RSC Chem Biol 2023; 4:623-634. [PMID: 37654508 PMCID: PMC10467623 DOI: 10.1039/d3cb00105a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/27/2023] [Indexed: 09/02/2023] Open
Abstract
Over the past three decades, we have witnessed the progression of small molecule chemical probes designed to inhibit the catalytic active site of histone deacetylase (HDAC) enzymes into FDA approved drugs. However, it is only in the past five years we have witnessed the emergence of proteolysis targeting chimeras (PROTACs) capable of promoting the proteasome mediated degradation of HDACs. This is a field still in its infancy, however given the current progress of PROTACs in clinical trials and the fact that FDA approved HDAC drugs are already in the clinic, there is significant potential in developing PROTACs to target HDACs as therapeutics. Beyond therapeutics, PROTACs also serve important applications as chemical probes to interrogate fundamental biology related to HDACs via their unique degradation mode of action. In this review, we highlight some of the key findings to date in the discovery of PROTACs targeting HDACs by HDAC class and HDAC isoenzyme, current gaps in PROTACs to target HDACs and future outlooks.
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Affiliation(s)
- Urvashi Patel
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - Joshua P Smalley
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
| | - James T Hodgkinson
- Leicester Institute of Structural and Chemical Biology, School of Chemistry, University of Leicester Leicester LE1 7RH UK
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17
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To KKW, Cheung KM, Cho WCS. Repurposing of triamterene as a histone deacetylase inhibitor to overcome cisplatin resistance in lung cancer treatment. J Cancer Res Clin Oncol 2023; 149:7217-7234. [PMID: 36905422 DOI: 10.1007/s00432-023-04641-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/07/2023] [Indexed: 03/12/2023]
Abstract
PURPOSE Cisplatin is the core chemotherapeutic drug used for first-line treatment of advanced non-small cell lung cancer (NSCLC). However, drug resistance is severely hindering its clinical efficacy. This study investigated the circumvention of cisplatin resistance by repurposing non-oncology drugs with putative histone deacetylase (HDAC) inhibitory effect. METHODS A few clinically approved drugs were identified by a computational drug repurposing tool called "DRUGSURV" and evaluated for HDAC inhibition. Triamterene, originally indicated as a diuretic, was chosen for further investigation in pairs of parental and cisplatin-resistant NSCLC cell lines. Sulforhodamine B assay was used to evaluate cell proliferation. Western blot analysis was performed to examine histone acetylation. Flow cytometry was used to examine apoptosis and cell cycle effects. Chromatin immunoprecipitation was conducted to investigate the interaction of transcription factors to the promoter of genes regulating cisplatin uptake and cell cycle progression. The circumvention of cisplatin resistance by triamterene was further verified in a patient-derived tumor xenograft (PDX) from a cisplatin-refractory NSCLC patient. RESULTS Triamterene was found to inhibit HDACs. It was shown to enhance cellular cisplatin accumulation and potentiate cisplatin-induced cell cycle arrest, DNA damage, and apoptosis. Mechanistically, triamterene was found to induce histone acetylation in chromatin, thereby reducing the association of HDAC1 but promoting the interaction of Sp1 with the gene promoter of hCTR1 and p21. Triamterene was further shown to potentiate the anti-cancer effect of cisplatin in cisplatin-resistant PDX in vivo. CONCLUSION The findings advocate further clinical evaluation of the repurposing use of triamterene to overcome cisplatin resistance.
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Affiliation(s)
- Kenneth K W To
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Room 801N, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, Shatin, New Territories, Hong Kong SAR, China.
| | - Ka M Cheung
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong SAR, China
| | - William C S Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong SAR, China
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18
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Amin SA, Khatun S, Gayen S, Das S, Jha T. Are inhibitors of histone deacetylase 8 (HDAC8) effective in hematological cancers especially acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL)? Eur J Med Chem 2023; 258:115594. [PMID: 37429084 DOI: 10.1016/j.ejmech.2023.115594] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/17/2023] [Accepted: 06/23/2023] [Indexed: 07/12/2023]
Abstract
Histone deacetylase 8 (HDAC8) aberrantly deacetylates histone and non-histone proteins. These include structural maintenance of chromosome 3 (SMC3) cohesin protein, retinoic acid induced 1 (RAI1), p53, etc and thus, regulating diverse processes such as leukemic stem cell (LSC) transformation and maintenance. HDAC8, one of the crucial HDACs, affects the gene silencing process in solid and hematological cancer progressions especially on acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL). A specific HDAC8 inhibitor PCI-34051 showed promising results against both T-cell lymphoma and AML. Here, we summarize the role of HDAC8 in hematological malignancies, especially in AML and ALL. This article also introduces the structure/function of HDAC8 and a special attention has been paid to address the HDAC8 enzyme selectivity issue in hematological cancer especially against AML and ALL.
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Affiliation(s)
- Sk Abdul Amin
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, 700032, India; Department of Pharmaceutical Technology, JIS University, 81, Nilgunj Road, Agarpara, Kolkata, West Bengal, India.
| | - Samima Khatun
- Laboratory of Drug Design and Discovery, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, 700032, India
| | - Shovanlal Gayen
- Laboratory of Drug Design and Discovery, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, 700032, India.
| | - Sanjib Das
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, 700032, India
| | - Tarun Jha
- Natural Science Laboratory, Division of Medicinal and Pharmaceutical Chemistry, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, 700032, India.
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19
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Youn EK, Cho HM, Jung JK, Yoon GE, Eto M, Kim JI. Pathologic HDAC1/c-Myc signaling axis is responsible for angiotensinogen transcription and hypertension induced by high-fat diet. Biomed Pharmacother 2023; 164:114926. [PMID: 37244179 DOI: 10.1016/j.biopha.2023.114926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/03/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023] Open
Abstract
High-fat diet (HFD)-induced obesity is a cause of resistant hypertension. We have shown a possible link between histone deacetylases (HDACs) and renal angiotensinogen (Agt) upregulation in the HFD-induced hypertension, whereas the underlying mechanisms remain to be elucidated. Here, using a HDAC1/2 inhibitor romidepsin (FK228) and siRNAs, we determined roles of HDAC1 and HDAC2 in HFD-induced hypertension and found the pathologic signaling axis between HDAC1 and Agt transcription. Treatment with FK228 canceled the increased blood pressure of male C57BL/6 mice induced by HFD. FK228 also blocked upregulation of renal Agt mRNA, protein, angiotensin II (Ang II) or serum Ang II. Activation and nuclear accumulation of both HDAC1 and HDAC2 occurred in the HFD group. The HFD-induced HDAC activation was associated with an increase in deacetylated c-Myc transcription factor. Silencing of HDAC1, HDAC2 or c-Myc in HRPTEpi cells decreased Agt expression. However, only HDAC1 knockdown, but not HDAC2, increased c-Myc acetylation, suggesting selective roles in two enzymes. Chromatin immunoprecipitation assay revealed that HFD induced the binding of HDAC1 and deacetylated c-Myc at the Agt gene promoter. A putative c-Myc binding sequence in the promotor region was necessary for Agt transcription. Inhibition of c-Myc downregulated Agt and Ang II levels in kidney and serum, ameliorating HFD-induced hypertension. Thus, the abnormal HDAC1/2 in the kidney may be responsible for the upregulation of the Agt gene expression and hypertension. The results expose the pathologic HDAC1/c-myc signaling axis in kidney as a promising therapeutic target for obesity-associated resistant hypertension.
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Affiliation(s)
- Eui Kyung Youn
- Department of Molecular Medicine, Keimyung University School of Medicine, Daegu 42601, Republic of Korea
| | - Hyun Min Cho
- Department of Molecular Medicine, Keimyung University School of Medicine, Daegu 42601, Republic of Korea
| | - Jin Ki Jung
- Department of Molecular Medicine, Keimyung University School of Medicine, Daegu 42601, Republic of Korea
| | - Ga-Eun Yoon
- Department of Molecular Medicine, Keimyung University School of Medicine, Daegu 42601, Republic of Korea
| | - Masumi Eto
- Department of Veterinary Medicine, Okayama University of Science, Ehime 794-8555, Japan
| | - Jee In Kim
- Department of Molecular Medicine, Keimyung University School of Medicine, Daegu 42601, Republic of Korea.
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20
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Synergistic Interaction of the Class IIa HDAC Inhibitor CHDI0039 with Bortezomib in Head and Neck Cancer Cells. Int J Mol Sci 2023; 24:ijms24065553. [PMID: 36982651 PMCID: PMC10056166 DOI: 10.3390/ijms24065553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/28/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
In contrast to class I/IIb/pan histone deacetylase inhibitors (HDACi), the role of class IIa HDACi as anti-cancer chemosensitizing agents is less well understood. Here, we studied the effects of HDAC4 in particular and the class IIa HDACi CHDI0039 on proliferation and chemosensitivity in Cal27 and cisplatin-resistant Cal27CisR head and neck squamous cell cancer (HNSCC). HDAC4 and HDAC5 overexpression clones were generated. HDAC4 overexpression (Cal27_HDAC4) increased proliferation significantly compared to vector control cells (Cal27_VC). Chicken chorioallantoic membrane (CAM) studies confirmed the in vitro results: Cal27_HDAC4 tumors were slightly larger than tumors from Cal27_VC, and treatment with CHDI0039 resulted in a significant decrease in tumor size and weight of Cal27_HDAC4 but not Cal27_VC. Unlike class I/pan-HDACi, treatment with CHDI0039 had only a marginal impact on cisplatin cytotoxicity irrespective of HDAC4 and HDAC5 expression. In contrast, the combination of CHDI0039 with bortezomib was synergistic (Chou–Talalay) in MTT and caspase 3/7 activation experiments. RNAseq indicated that treatment with CHDI0039 alters the expression of genes whose up- or downregulation is associated with increased survival in HNSCC patients according to Kaplan–Meier data. We conclude that the combination of class IIa HDACi with proteasome inhibitors constitutes an effective treatment option for HNSCC, particularly for platinum-resistant cancers.
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21
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Rosenthal AC, Munoz JL, Villasboas JC. Clinical advances in epigenetic therapies for lymphoma. Clin Epigenetics 2023; 15:39. [PMID: 36871057 PMCID: PMC9985856 DOI: 10.1186/s13148-023-01452-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 02/19/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Advances in understanding of cancer biology, genomics, epigenomics, and immunology have resulted in development of several therapeutic options that expand cancer care beyond traditional chemotherapy or radiotherapy, including individualized treatment strategies, novel treatments based on monotherapies or combination therapy to reduce toxicities, and implementation of strategies for overcoming resistance to anticancer therapy. RESULTS This review covers the latest applications of epigenetic therapies for treatment of B cell, T cell, and Hodgkin lymphomas, highlighting key clinical trial results with monotherapies and combination therapies from the main classes of epigenetic therapies, including inhibitors of DNA methyltransferases, protein arginine methyltransferases, enhancer of zeste homolog 2, histone deacetylases, and the bromodomain and extraterminal domain. CONCLUSION Epigenetic therapies are emerging as an attractive add-on to traditional chemotherapy and immunotherapy regimens. New classes of epigenetic therapies promise low toxicity and may work synergistically with other cancer treatments to overcome drug resistance mechanisms.
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Affiliation(s)
- Allison C Rosenthal
- Division of Hematology, Medical Oncology, Mayo Clinic, 5777 E. Mayo Blvd, Phoenix, AZ, 85054, USA.
| | - Javier L Munoz
- Division of Hematology, Medical Oncology, Mayo Clinic, 5777 E. Mayo Blvd, Phoenix, AZ, 85054, USA
| | - J C Villasboas
- Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
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Tien Anh D, Hai Nam N, Kircher B, Baecker D. The Impact of Fluorination on the Design of Histone Deacetylase Inhibitors. Molecules 2023; 28:molecules28041973. [PMID: 36838960 PMCID: PMC9965134 DOI: 10.3390/molecules28041973] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
In recent years, histone deacetylases (HDACs) have emerged as promising targets in the treatment of cancer. The approach is to inhibit HDACs with drugs known as HDAC inhibitors (HDACis). Such HDACis are broadly classified according to their chemical structure, e.g., hydroxamic acids, benzamides, thiols, short-chain fatty acids, and cyclic peptides. Fluorination plays an important role in the medicinal-chemical design of new active representatives. As a result of the introduction of fluorine into the chemical structure, parameters such as potency or selectivity towards isoforms of HDACs can be increased. However, the impact of fluorination cannot always be clearly deduced. Nevertheless, a change in lipophilicity and, hence, solubility, as well as permeability, can influence the potency. The selectivity towards certain HDACs isoforms can be explained by special interactions of fluorinated compounds with the structure of the slightly different enzymes. Another aspect is that for a more detailed investigation of newly synthesized fluorine-containing active compounds, fluorination is often used for the purpose of labeling. Aside from the isotope 19F, which can be detected by nuclear magnetic resonance spectroscopy, the positron emission tomography of 18F plays a major role. However, to our best knowledge, a survey of the general effects of fluorination on HDACis development is lacking in the literature to date. Therefore, the aim of this review is to highlight the introduction of fluorine in the course of chemical synthesis and the impact on biological activity, using selected examples of recently developed fluorinated HDACis.
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Affiliation(s)
- Duong Tien Anh
- Department of Pharmaceutical Chemistry, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi 10000, Vietnam
| | - Nguyen Hai Nam
- Department of Pharmaceutical Chemistry, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hanoi 10000, Vietnam
| | - Brigitte Kircher
- Immunobiology and Stem Cell Laboratory, Department of Internal Medicine V (Hematology and Oncology), Medical University Innsbruck, Anichstraße 35, 6020 Innsbruck, Austria
- Tyrolean Cancer Research Institute, Innrain 66, 6020 Innsbruck, Austria
- Correspondence: (B.K.); (D.B.)
| | - Daniel Baecker
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany
- Correspondence: (B.K.); (D.B.)
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23
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Kong SJ, Nam G, Boggu PR, Park GM, Kang JE, Park HJ, Jung YH. Synthesis and biological evaluation of novel N-benzyltriazolyl-hydroxamate derivatives as selective histone deacetylase 6 inhibitors. Bioorg Med Chem 2023; 79:117154. [PMID: 36645952 DOI: 10.1016/j.bmc.2023.117154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 01/12/2023]
Abstract
Histone deacetylases (HDAC) regulate post-translational acetylation and the inhibition of these enzymes has emerged as an intriguing disease therapeutic. Among them, class IIb HDAC6 has the unique characteristic of mainly deacetylating cytoplasmic proteins, suggesting clinical applications for neurodegenerative diseases, inflammation, and cancer. In this study, we designed a novel N-benzyltriazolyl-hydroxamate scaffold based on the known HDAC6 inhibitors nexturastat A and tubastatin A. Among the 27 derivatives, 3-fluoro-4-((3-(2-fluorophenyl)-1H-1,2,4-triazol-1-yl)methyl)-N-hydroxybenzamide 4u (HDAC6 IC50 = 7.08 nM) showed nanomolar HDAC6 inhibitory activity with 42-fold selectivity over HDAC1. Structure-activity relationship (SAR) and computational docking studies were conducted to optimize the triazole capping group. Docking analysis revealed that the capping group aligned with the conserved L1 pocket of HDAC6 and was associated with subtype selectivity. Overall, our study explored the triazole-based biaryl capping group and its substitution and orientation, suggesting a rationale for the design of HDAC6-selective inhibitors.
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Affiliation(s)
- Sun Ju Kong
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gibeom Nam
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Pulla Reddy Boggu
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Gi Min Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji Eun Kang
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Hyun-Ju Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Young Hoon Jung
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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24
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Abdelsalam M, Ibrahim HS, Krauss L, Zessin M, Vecchio A, Hastreiter S, Schutkowski M, Schneider G, Sippl W. Development of Pyrazine-Anilinobenzamides as Histone Deacetylase HDAC1-3 Selective Inhibitors and Biological Testing Against Pancreas Cancer Cell Lines. Methods Mol Biol 2023; 2589:145-155. [PMID: 36255623 DOI: 10.1007/978-1-0716-2788-4_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Class I histone deacetylase (HDAC) enzymes are key regulators of cell proliferation and are frequently dysregulated in cancer cells. Here we describe the synthesis of a novel series of class-I selective HDAC inhibitors containing anilinobenzamide moieties as ZBG connected with a central (piperazin-1-yl)pyrazine moiety. Compounds were tested in vitro against class-I HDAC1, 2, and 3 isoforms. Some highly potent HDAC inhibitors were obtained and were tested in pancreatic cancer cells and showed promising activity. Moreover, we summarize how the growth-inhibitory effects of these compounds can be determined in murine pancreatic cancer cell lines.
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Affiliation(s)
- Mohamed Abdelsalam
- Institute of Pharmacy, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany
- Institute of Pharmacy, University of Alexandria, Alexandria, Egypt
| | - Hany S Ibrahim
- Institute of Pharmacy, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany
| | - Lukas Krauss
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
- Medical Clinic and Polyclinic II, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Matthes Zessin
- Institute of Biochemistry, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany
| | - Anita Vecchio
- Institute of Pharmacy, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany
| | - Sieglinde Hastreiter
- Medical Clinic and Polyclinic II, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
- Institute of Experimental Genetics, Helmholtz Zentrum München GmbH, Neuherberg, Germany
| | - Mike Schutkowski
- Institute of Biochemistry, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany
| | - Günter Schneider
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
- Medical Clinic and Polyclinic II, Klinikum rechts der Isar, Technical University Munich, Munich, Germany
| | - Wolfgang Sippl
- Institute of Pharmacy, Martin-Luther University of Halle-Wittenberg, Halle/Saale, Germany.
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25
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Anestopoulos I, Kyriakou S, Tragkola V, Paraskevaidis I, Tzika E, Mitsiogianni M, Deligiorgi MV, Petrakis G, Trafalis DT, Botaitis S, Giatromanolaki A, Koukourakis MI, Franco R, Pappa A, Panayiotidis MI. Targeting the epigenome in malignant melanoma: Facts, challenges and therapeutic promises. Pharmacol Ther 2022; 240:108301. [PMID: 36283453 DOI: 10.1016/j.pharmthera.2022.108301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 10/03/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022]
Abstract
Malignant melanoma is the most lethal type of skin cancer with high rates of mortality. Although current treatment options provide a short-clinical benefit, acquired-drug resistance highlights the low 5-year survival rate among patients with advanced stage of the disease. In parallel, the involvement of an aberrant epigenetic landscape, (e.g., alterations in DNA methylation patterns, histone modifications marks and expression of non-coding RNAs), in addition to the genetic background, has been also associated with the onset and progression of melanoma. In this review article, we report on current therapeutic options in melanoma treatment with a focus on distinct epigenetic alterations and how their reversal, by specific drug compounds, can restore a normal phenotype. In particular, we concentrate on how single and/or combinatorial therapeutic approaches have utilized epigenetic drug compounds in being effective against malignant melanoma. Finally, the role of deregulated epigenetic mechanisms in promoting drug resistance to targeted therapies and immune checkpoint inhibitors is presented leading to the development of newly synthesized and/or improved drug compounds capable of targeting the epigenome of malignant melanoma.
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Affiliation(s)
- I Anestopoulos
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
| | - S Kyriakou
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
| | - V Tragkola
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
| | - I Paraskevaidis
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
| | - E Tzika
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus
| | | | - M V Deligiorgi
- Laboratory of Pharmacology, Medical School, National & Kapodistrian University of Athens, Athens, Greece
| | - G Petrakis
- Saint George Hospital, Chania, Crete, Greece
| | - D T Trafalis
- Laboratory of Pharmacology, Medical School, National & Kapodistrian University of Athens, Athens, Greece
| | - S Botaitis
- Department of Surgery, Alexandroupolis University Hospital, Democritus University of Thrace School of Medicine, Alexandroupolis, Greece
| | - A Giatromanolaki
- Department of Pathology, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - M I Koukourakis
- Radiotherapy / Oncology, Radiobiology & Radiopathology Unit, Department of Medicine, School of Health Sciences, Democritus University of Thrace, Alexandroupolis, Greece
| | - R Franco
- Redox Biology Centre, University of Nebraska-Lincoln, Lincoln, NE, USA; School of Veterinary Medicine & Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - A Pappa
- Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece
| | - M I Panayiotidis
- Department of Cancer Genetics, Therapeutics & Ultrastructural Pathology, The Cyprus Institute of Neurology & Genetics, Nicosia, Cyprus.
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26
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Synthesis, antitumor, and apoptosis-inducing activities of novel 5-arylidenethiazolidine-2,4-dione derivatives: Histone deacetylases inhibitory activity and molecular docking study. Eur J Med Chem 2022; 244:114827. [DOI: 10.1016/j.ejmech.2022.114827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/28/2022] [Accepted: 10/01/2022] [Indexed: 11/19/2022]
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27
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Kwesi-Maliepaard EM, Malik M, van Welsem T, van Doorn R, Vermeer MH, Vlaming H, Jacobs H, van Leeuwen F. DOT1L inhibition does not modify the sensitivity of cutaneous T cell lymphoma to pan-HDAC inhibitors in vitro. Front Genet 2022; 13:1032958. [PMID: 36425063 PMCID: PMC9681147 DOI: 10.3389/fgene.2022.1032958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/24/2022] [Indexed: 08/30/2023] Open
Abstract
Cutaneous T-cell lymphomas (CTCLs) are a subset of T-cell malignancies presenting in the skin. The treatment options for CTCL, in particular in advanced stages, are limited. One of the emerging therapies for CTCL is treatment with histone deacetylase (HDAC) inhibitors. We recently discovered an evolutionarily conserved crosstalk between HDAC1, one of the targets of HDAC inhibitors, and the histone methyltransferase DOT1L. HDAC1 negatively regulates DOT1L activity in yeast, mouse thymocytes, and mouse thymic lymphoma. Here we studied the functional relationship between HDAC inhibitors and DOT1L in two human CTCL cell lines, specifically addressing the question whether the crosstalk between DOT1L and HDAC1 observed in mouse T cells plays a role in the therapeutic effect of clinically relevant broad-acting HDAC inhibitors in the treatment of human CTCL. We confirmed that human CTCL cell lines were sensitive to treatment with pan-HDAC inhibitors. In contrast, the cell lines were not sensitive to DOT1L inhibitors. Combining both types of inhibitors did neither enhance nor suppress the inhibitory effect of HDAC inhibitors on CTCL cells. Thus our in vitro studies suggest that the effect of commonly used pan-HDAC inhibitors in CTCL cells relies on downstream effects other than DOT1L misregulation.
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Affiliation(s)
| | - Muddassir Malik
- Division of Gene Regulation, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Tibor van Welsem
- Division of Gene Regulation, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Remco van Doorn
- Department of Dermatology, Leiden University Medical Center, Leiden, Netherlands
| | - Maarten H. Vermeer
- Department of Dermatology, Leiden University Medical Center, Leiden, Netherlands
| | - Hanneke Vlaming
- Division of Gene Regulation, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Heinz Jacobs
- Division of Tumor Biology and Immunology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Fred van Leeuwen
- Division of Gene Regulation, Netherlands Cancer Institute, Amsterdam, Netherlands
- Department of Medical Biology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
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28
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Markouli M, Strepkos D, Piperi C. Impact of Histone Modifications and Their Therapeutic Targeting in Hematological Malignancies. Int J Mol Sci 2022; 23:13657. [PMID: 36362442 PMCID: PMC9654260 DOI: 10.3390/ijms232113657] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
Hematologic malignancies are a large and heterogeneous group of neoplasms characterized by complex pathogenetic mechanisms. The abnormal regulation of epigenetic mechanisms and specifically, histone modifications, has been demonstrated to play a central role in hematological cancer pathogenesis and progression. A variety of epigenetic enzymes that affect the state of histones have been detected as deregulated, being either over- or underexpressed, which induces changes in chromatin compaction and, subsequently, affects gene expression. Recent advances in the field of epigenetics have revealed novel therapeutic targets, with many epigenetic drugs being investigated in clinical trials. The present review focuses on the biological impact of histone modifications in the pathogenesis of hematologic malignancies, describing a wide range of therapeutic agents that have been discovered to target these alterations and are currently under investigation in clinical trials.
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Affiliation(s)
| | | | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (M.M.); (D.S.)
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29
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Omidkhah N, Eisvand F, Hadizadeh F, Zarghi A, Ghodsi R. Synthesis, Cytotoxicity, Pan‐HDAC Inhibitory Activity and Docking Study of N‐(2‐Aminophenyl)‐2‐arylquinoline‐4‐ and N‐(2‐Aminophenyl)‐2‐arylbenzo[h]quinoline‐4‐carboxamides**. ChemistrySelect 2022. [DOI: 10.1002/slct.202201239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Negar Omidkhah
- Student Research Committee Mashhad University of Medical Science Mashhad Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Department of Medicinal Chemistry, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Farhad Eisvand
- Department of Pharmacodynamics and Toxicology School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Farzin Hadizadeh
- Biotechnology Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Department of Medicinal Chemistry, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Afshin Zarghi
- Department of Pharmaceutical Chemistry School of Pharmacy Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Razieh Ghodsi
- Biotechnology Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Department of Medicinal Chemistry, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
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30
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Sehgal M, Jakhete SM, Manekar AG, Sasikumar S. Specific epigenetic regulators serve as potential therapeutic targets in idiopathic pulmonary fibrosis. Heliyon 2022; 8:e09773. [PMID: 36061031 PMCID: PMC9434059 DOI: 10.1016/j.heliyon.2022.e09773] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/27/2022] [Accepted: 06/17/2022] [Indexed: 12/15/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF), a disorder observed mostly in older human beings, is characterised by chronic and progressive lung scarring leading to an irreversible decline in lung function. This health condition has a dismal prognosis and the currently available drugs only delay but fail to reverse the progression of lung damage. Consequently, it becomes imperative to discover improved therapeutic compounds and their cellular targets to cure IPF. In this regard, a number of recent studies have targeted the epigenetic regulation by histone deacetylases (HDACs) to develop and categorise antifibrotic drugs for lungs. Therefore, this review focuses on how aberrant expression or activity of Classes I, II and III HDACs alter TGF-β signalling to promote events such as epithelial-mesenchymal transition, differentiation of activated fibroblasts into myofibroblasts, and excess deposition of the extracellular matrix to propel lung fibrosis. Further, this study describes how certain chemical compounds or dietary changes modulate dysregulated HDACs to attenuate five faulty TGF-β-dependent profibrotic processes, both in animal models and cell lines replicating IPF, thereby identifying promising means to treat this lung disorder.
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Affiliation(s)
- Manas Sehgal
- Genetics and Molecular Biology Research Centre, Dr. D. Y. Patil Biotechnology and Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Tathawade, Pune, Maharashtra, PIN - 411033, India
| | - Sharayu Manish Jakhete
- Genetics and Molecular Biology Research Centre, Dr. D. Y. Patil Biotechnology and Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Tathawade, Pune, Maharashtra, PIN - 411033, India
| | - Amruta Ganesh Manekar
- Genetics and Molecular Biology Research Centre, Dr. D. Y. Patil Biotechnology and Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Tathawade, Pune, Maharashtra, PIN - 411033, India
| | - Satish Sasikumar
- Genetics and Molecular Biology Research Centre, Dr. D. Y. Patil Biotechnology and Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth, Tathawade, Pune, Maharashtra, PIN - 411033, India
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31
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Insights into the therapeutic potential of histone deacetylase inhibitor/immunotherapy combination regimens in solid tumors. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2022; 24:1262-1273. [PMID: 35066777 DOI: 10.1007/s12094-022-02779-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/31/2021] [Indexed: 12/27/2022]
Abstract
Solid tumors including skin, lung, breast, colon, and prostate cancers comprise the most diagnosed cancers worldwide. Treatment of such cancers is still challenging specially in the advanced/metastatic setting. The growing understanding of the tumor microenvironment has revolutionized the cancer therapy paradigms. Targeting programmed death-1 (PD-1)/PD-L1 immune checkpoint has been extensively studied over this decade as a new trend in the management of hard-to-treat cancers by harnessing the power of the immune system to eradicate the tumors. Yet, low response rate and resistance were observed when immunotherapies were tested as monotherapy. This urged the need to develop combinatorial regimens of immunotherapy with other immune modulatory agents to enhance its therapeutic potential and help in reverting the resistance. Epigenetic modifiers such as histone deacetylase inhibitors (HDACIs) showed favorable effects on modulating the tumor microenvironment along with the host immune cells. This qualified HDACIs as an attractive candidate class to be tested in combination with immunotherapy. In this review we cover the ongoing clinical trials that investigate the safety and/or the efficacy of HDACI/immunotherapy combinations in solid tumors including skin cancer, prostate cancer, breast cancer, colorectal cancer, lung cancer and recapitulates areas for future research.
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32
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Wang C, Lin Y, Zhu H, Zhou Y, Mao F, Huang X, Sun Q, Li C. Efficacy and Safety Profile of Histone Deacetylase Inhibitors for Metastatic Breast Cancer: A Meta-Analysis. Front Oncol 2022; 12:901152. [PMID: 35712478 PMCID: PMC9192957 DOI: 10.3389/fonc.2022.901152] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/26/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction Acquired resistance to endocrine therapy (ET) remains a big challenge in the management of metastatic breast cancer (MBC). A novel therapeutic agent, histone deacetylase inhibitors (HDACi), targets the abnormal epigenetic modification and may overcome acquired resistance. However, HDACi efficacy and the safety profile for hormone receptor (HoR)-positive/human epidermal growth factor receptor 2 (HER2)-negative MBC remain controversial. Methods Two independent reviewers searched PubMed, Embase, and Cochrane Central Register of Controlled Trials databases for relevant studies on HDACi and HoR+/HER2- MBC. Demographic and clinicopathological parameters were extracted and presented as means and proportions, and between-group differences were assessed by Pearson chi-square test. Fixed- or random-effects models were used for meta-analysis based on inter-study heterogeneity. Pooled results were presented as L’Abbé plot and forest plot. Funnel plot and Egger’s test were employed for evaluation of publication bias. Results Four studies with 1,457 patients were included for meta-analysis. The overall objective response rates (ORRs) of HDACi + ET (HE) and placebo + ET (PE) groups were 11.52% and 6.67%, respectively. The HE regimen significantly increased ORR (odds ratio [OR] 1.633, 95% confidence interval [CI] = 1.103–2.418, p < 0.05) and showed higher clinical benefit rate (CBR) than the PE regimen (HE vs. PE groups: 38.82% vs. 30.58%, OR 1.378, 95% CI = 1.020–1.861, p < 0.05). Additionally, the HE regimen was associated with prolonged progression-free survival (PFS) (hazard ratio [HR] 0.761, 95% CI = 0.650–0.872, p < 0.001) and overall survival (OS) (HR 0.849, 95% CI = 0.702–0.996, p < 0.001). Regarding safety profile, the HE regimen had increasing toxicity in terms of higher overall adverse event (AE), Grade ≥3 AE, dose modification, and discontinuation rate. Conclusions This meta-analysis validated that the HE regimen had superior efficacy over control in terms of ORR, CBR, PFS, and OS, but was accompanied with increasing toxicity. HDACi plus ET could serve as an important option in managing HoR+/HER2- MBC. Future studies may focus on the clinical difference among different HDACi and AE managements to enhance tolerability.
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Affiliation(s)
- Changjun Wang
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Yan Lin
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Hanjiang Zhu
- Department of Dermatology, University of California San Francisco, San Francisco, CA, United States
| | - Yidong Zhou
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Feng Mao
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Xin Huang
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
| | - Qiang Sun
- Department of Breast Surgery, Peking Union Medical College Hospital, Beijing, China
- *Correspondence: Qiang Sun, ; Chenggang Li,
| | - Chenggang Li
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
- College of Pharmacy, Nankai University, Tianjin, China
- *Correspondence: Qiang Sun, ; Chenggang Li,
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33
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Pramanik D, Pawar AB, Roy S, Singh JK. Mechanistic insights of key host proteins and potential repurposed inhibitors regulating SARS-CoV-2 pathway. J Comput Chem 2022; 43:1237-1250. [PMID: 35535951 PMCID: PMC9348233 DOI: 10.1002/jcc.26888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/03/2022] [Accepted: 04/22/2022] [Indexed: 12/16/2022]
Abstract
The emergence of pandemic situations originated from severe acute respiratory syndrome (SARS)‐CoV‐2 and its new variants created worldwide medical emergencies. Due to the non‐availability of efficient drugs and vaccines at these emergency hours, repurposing existing drugs can effectively treat patients critically infected by SARS‐CoV‐2. Finding a suitable repurposing drug with inhibitory efficacy to a host‐protein is challenging. A detailed mechanistic understanding of the kinetics, (dis)association pathways, key protein residues facilitating the entry–exit of the drugs with targets are fundamental in selecting these repurposed drugs. Keeping this target as the goal of the paper, the potential repurposing drugs, Nafamostat, Camostat, Silmitasertib, Valproic acid, and Zotatifin with host‐proteins HDAC2, CSK22, eIF4E2 are studied to elucidate energetics, kinetics, and dissociation pathways. From an ensemble of independent simulations, we observed the presence of single or multiple dissociation pathways with varying host‐proteins‐drug systems and quantitatively estimated the probability of unbinding through these specific pathways. We also explored the crucial gateway residues facilitating these dissociation mechanisms. Interestingly, the residues we obtained for HDAC2 and CSK22 are also involved in the catalytic activity. Our results demonstrate how these potential drugs interact with the host machinery and the specific target residues, showing involvement in the mechanism. Most of these drugs are in the preclinical phase, and some are already being used to treat severe COVID‐19 patients. Hence, the mechanistic insight presented in this study is envisaged to support further findings of clinical studies and eventually develop efficient inhibitors to treat SARS‐CoV‐2.
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Affiliation(s)
- Debabrata Pramanik
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, India
| | | | - Sudip Roy
- Prescience Insilico Private Limited, Bangalore, India
| | - Jayant Kumar Singh
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, India.,Prescience Insilico Private Limited, Bangalore, India
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Pun MD, Wu HH, Olatunji FP, Kesic BN, Peters JW, Berkman CE. Phosphorus containing analogues of SAHA as inhibitors of HDACs. J Enzyme Inhib Med Chem 2022; 37:1315-1319. [PMID: 35514164 PMCID: PMC9090410 DOI: 10.1080/14756366.2022.2063281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Histone deacetylases (HDACs) are a family of enzymes responsible for regulating DNA transcription by modulating its binding to histone proteins. HDACs are overexpressed in several types of cancers and are recognised as drug targets. Vorinostat, or suberanilohydroxamic acid (SAHA), is an histone deacetylase (HDAC) inhibitor with a hydroxamic acid as a zinc-binding group (ZBG), and it has been FDA approved for the treatment of T-cell lymphoma. In this work, phosphorus-based SAHA analogues were synthesised to assess their zinc-binding effectiveness compared to the hydroxamic acid of SAHA. Specifically, we examined phosphate, phosphoramidate and phosphorothiolate groups as isosteres of the canonical hydroxamic acid motif of conventional HDAC inhibitors. The compounds were screened for binding to HDAC enzymes from HeLa cell lysate. The most potent derivatives were then screened against HDAC3 and HDAC8 isoforms. HDAC inhibition assays demonstrated that these phosphorus-based SAHA analogs exhibited slow binding to HDACs but with greater potency than phosphonate SAHA analogs examined previously. All compounds inhibited HDACs, the most potent having an IC50 of 50 µM.
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Affiliation(s)
- Michael D Pun
- Department of Chemistry, Washington State University, Pullman, WA, USA
| | - Hsin-Hua Wu
- Department of Chemistry, Washington State University, Pullman, WA, USA.,Institute of Biological Chemistry, Washington State University, Pullman, WA, USA
| | | | - Britany N Kesic
- Department of Chemistry, Washington State University, Pullman, WA, USA
| | - John W Peters
- Department of Chemistry, Washington State University, Pullman, WA, USA.,Institute of Biological Chemistry, Washington State University, Pullman, WA, USA
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Rogalska-Taranta M, Andersen JB. Involvement of Epigenomic Factors in Bile Duct Cancer. Semin Liver Dis 2022; 42:202-211. [PMID: 35738258 DOI: 10.1055/s-0042-1748188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Cholangiocarcinoma (CCA) is the second most common type of primary liver cancer. Due to its often-silent manifestation, sporadic nature, and typically late clinical presentation, it remains difficult to diagnose and lacks effective nonsurgical therapeutic options. Extensive research aiming in understanding the mechanisms underlying this disease have provided strong evidence for the significance of epigenetics contributing to its onset, progression, and dissemination. This dysregulation in a myriad of signaling pathways, leading to malignancy, spans altered deoxyribonucleic acid and histone methylation, histone acetylation, and chromatin remodeling, as well as genetic modifications in essential genes controlling these epigenetic processes. An advantage to epigenetic modifications is that they, compared with mutations, are reversible and can partially be controlled by inhibiting the responsible enzymatic machinery. This opens novel possibilities for developing new treatment modalities with benefit for CCA patients.In this article, we have reviewed the current status of epigenome modifications described in CCA, including the role of posttranslational histone modifications and chromatin remodeling, as well as novel advances in treatment options.
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Affiliation(s)
- Magdalena Rogalska-Taranta
- Biotech Research & Innovation Center (BRIC), Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jesper B Andersen
- Biotech Research & Innovation Center (BRIC), Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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36
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Gray JS, Wani SA, Campbell MJ. Epigenomic alterations in cancer: mechanisms and therapeutic potential. Clin Sci (Lond) 2022; 136:473-492. [PMID: 35383835 DOI: 10.1042/cs20210449] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/11/2022] [Accepted: 03/21/2022] [Indexed: 11/17/2022]
Abstract
The human cell requires ways to specify its transcriptome without altering the essential sequence of DNA; this is achieved through mechanisms which govern the epigenetic state of DNA and epitranscriptomic state of RNA. These alterations can be found as modified histone proteins, cytosine DNA methylation, non-coding RNAs, and mRNA modifications, such as N6-methyladenosine (m6A). The different aspects of epigenomic and epitranscriptomic modifications require protein complexes to write, read, and erase these chemical alterations. Reflecting these important roles, many of these reader/writer/eraser proteins are either frequently mutated or differentially expressed in cancer. The disruption of epigenetic regulation in the cell can both contribute to cancer initiation and progression, and increase the likelihood of developing resistance to chemotherapies. Development of therapeutics to target proteins involved in epigenomic/epitranscriptomic modifications has been intensive, but further refinement is necessary to achieve ideal treatment outcomes without too many off-target effects for cancer patients. Therefore, further integration of clinical outcomes combined with large-scale genomic analyses is imperative for furthering understanding of epigenomic mechanisms in cancer.
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Affiliation(s)
- Jaimie S Gray
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH 43210, U.S.A
| | - Sajad A Wani
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH 43210, U.S.A
| | - Moray J Campbell
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH 43210, U.S.A
- Biomedical Informatics Shared Resource, The Ohio State University, Columbus, OH 43210, U.S.A
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Pai P, Kumar A, Shetty MG, Kini SG, Krishna MB, Satyamoorthy K, Babitha KS. Identification of potent HDAC 2 inhibitors using E-pharmacophore modelling, structure-based virtual screening and molecular dynamic simulation. J Mol Model 2022; 28:119. [PMID: 35419753 PMCID: PMC9007783 DOI: 10.1007/s00894-022-05103-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 03/28/2022] [Indexed: 11/26/2022]
Abstract
Histone deacetylase 2 (HDAC 2) of class I HDACs plays a major role in embryonic and neural developments. However, HDAC 2 overexpression triggers cell proliferation by diverse mechanisms in cancer. Over the decades, many pan and class-specific inhibitors of HDAC were discovered. Limitations such as toxicity and differential cell localization of each isoform led researchers to hypothesize that isoform selective inhibitors may be relevant to bring about desired effects. In this study, we have employed the PHASE module to develop an e-pharmacophore model and virtually screened four focused libraries of around 300,000 compounds to identify isoform selective HDAC 2 inhibitors. The compounds with phase fitness score greater than or equal to 2.4 were subjected to structure-based virtual screening with HDAC 2. Ten molecules with docking score greater than -12 kcal/mol were chosen for selectivity study, QikProp module (ADME prediction) and dG/bind energy identification. Compound 1A with the best dock score of -13.3 kcal/mol and compound 1I with highest free binding energy, -70.93 kcal/mol, were selected for molecular dynamic simulation studies (40 ns simulation). The results indicated that compound 1I may be a potent and selective HDAC 2 inhibitor. Further, in vitro and in vivo studies are necessary to validate the potency of selected lead molecule and its derivatives.
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Affiliation(s)
- Padmini Pai
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Avinash Kumar
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Manasa Gangadhar Shetty
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Suvarna Ganesh Kini
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Manoj Bhat Krishna
- Department of Bioinformatics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Kapaettu Satyamoorthy
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Kampa Sundara Babitha
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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38
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Bui HTB, Nguyen PH, Pham QM, Tran HP, Tran DQ, Jung H, Hong QV, Nguyen QC, Nguyen QP, Le HT, Yang SG. Target Design of Novel Histone Deacetylase 6 Selective Inhibitors with 2-Mercaptoquinazolinone as the Cap Moiety. Molecules 2022; 27:2204. [PMID: 35408604 PMCID: PMC9000625 DOI: 10.3390/molecules27072204] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/16/2022] [Accepted: 03/25/2022] [Indexed: 11/17/2022] Open
Abstract
Epigenetic alterations found in all human cancers are promising targets for anticancer therapy. In this sense, histone deacetylase inhibitors (HDACIs) are interesting anticancer agents that play an important role in the epigenetic regulation of cancer cells. Here, we report 15 novel hydroxamic acid-based histone deacetylase inhibitors with quinazolinone core structures. Five compounds exhibited antiproliferative activity with IC50 values of 3.4-37.8 µM. Compound 8 with a 2-mercaptoquinazolinone cap moiety displayed the highest antiproliferative efficacy against MCF-7 cells. For the HDAC6 target selectivity study, compound 8 displayed an IC50 value of 2.3 µM, which is 29.3 times higher than those of HDAC3, HDAC4, HDAC8, and HDAC11. Western blot assay proved that compound 8 strongly inhibited tubulin acetylation, a substrate of HDAC6. Compound 8 also displayed stronger inhibition activity against HDAC11 than the control drug Belinostat. The inhibitory mechanism of action of compound 8 on HDAC enzymes was then explored using molecular docking study. The data revealed a high binding affinity (-7.92 kcal/mol) of compound 8 toward HDAC6. In addition, dock pose analysis also proved that compound 8 might serve as a potent inhibitor of HDAC11.
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Affiliation(s)
- Hue Thi Buu Bui
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Phuong Hong Nguyen
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon 22212, Korea; (P.H.N.); (H.P.T.); (H.J.)
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - Quan Minh Pham
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, Ha Noi 100000, Vietnam;
- Faculty of Chemistry; Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Ha Noi 100000, Vietnam
| | - Hoa Phuong Tran
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon 22212, Korea; (P.H.N.); (H.P.T.); (H.J.)
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - De Quang Tran
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Hosun Jung
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon 22212, Korea; (P.H.N.); (H.P.T.); (H.J.)
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - Quang Vinh Hong
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Quoc Cuong Nguyen
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Quy Phu Nguyen
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Hieu Trong Le
- Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho 900000, Vietnam; (D.Q.T.); (Q.V.H.); (Q.C.N.); (Q.P.N.); (H.T.L.)
| | - Su-Geun Yang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon 22212, Korea; (P.H.N.); (H.P.T.); (H.J.)
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
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How to Slow Down the Ticking Clock: Age-Associated Epigenetic Alterations and Related Interventions to Extend Life Span. Cells 2022; 11:cells11030468. [PMID: 35159278 PMCID: PMC8915189 DOI: 10.3390/cells11030468] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023] Open
Abstract
Epigenetic alterations pose one major hallmark of organismal aging. Here, we provide an overview on recent findings describing the epigenetic changes that arise during aging and in related maladies such as neurodegeneration and cancer. Specifically, we focus on alterations of histone modifications and DNA methylation and illustrate the link with metabolic pathways. Age-related epigenetic, transcriptional and metabolic deregulations are highly interconnected, which renders dissociating cause and effect complicated. However, growing amounts of evidence support the notion that aging is not only accompanied by epigenetic alterations, but also at least in part induced by those. DNA methylation clocks emerged as a tool to objectively determine biological aging and turned out as a valuable source in search of factors positively and negatively impacting human life span. Moreover, specific epigenetic signatures can be used as biomarkers for age-associated disorders or even as targets for therapeutic approaches, as will be covered in this review. Finally, we summarize recent potential intervention strategies that target epigenetic mechanisms to extend healthy life span and provide an outlook on future developments in the field of longevity research.
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40
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Golantsov NE, Golubenkova AS, Festa AA, Varlamov AV, Voskressensky LG. Assembly of 1,2,3,4-Tetrahydropyrrolo[1,2- a]pyrazines via the Domino Reaction of 2-Imidazolines and Terminal Electron-Deficient Alkynes. J Org Chem 2022; 87:3242-3253. [PMID: 35049314 DOI: 10.1021/acs.joc.1c02930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The transformation of 2-imidazolines into 1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazines has been realized. A pseudo-three-component reaction of 2-imidazolines with terminal electron-deficient alkynes (2 equiv) first generates imidazolidines, containing an N-vinylpropargylamine fragment. The latter can then undergo a base-catalyzed domino aza-Claisen rearrangement/cyclization reaction sequence, simultaneously constructing pyrrole and pyrazine rings. The process works in a broad substrate scope, delivering pyrrolo[1,2-a]pyrazines in good to excellent yields (45-90%). This two-step approach can be carried out in a one-pot fashion without a noticeable decrease in yield. Remarkably, a three-component protocol for the introduction of two different alkynes has been also developed.
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Affiliation(s)
- Nikita E Golantsov
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexandra S Golubenkova
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexey A Festa
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Alexey V Varlamov
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
| | - Leonid G Voskressensky
- Organic Chemistry Department, Science Faculty, Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia
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Pandit P, Brahmkhatri V. Structural Basis of Targeted Imaging and Therapy in Cancer Explorations with the Epigenetic Drugs. Subcell Biochem 2022; 100:503-521. [PMID: 36301504 DOI: 10.1007/978-3-031-07634-3_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Origin of cancer is strongly related to the unusual epigenetic regulation of gene function as indicated by recent reports. The covalent modifications to DNA or histones without affecting genomes that finally lead to phenotypical changes in cells or organisms are referred as "Epigenetics." The possibility to reprogram the epigenetics in the cancer epigenome is the most important target for cancer treatment and drug resistance. The development of epigenetic drugs holds a great potential for the current cancer therapeutic approaches. Nevertheless, targeting cancer epigenetic pathways is still exciting due to the lack of selective and effective small molecule compounds or drug molecules. Therefore, the current book chapter highlights epigenetic pathways for cancer and potential small molecule inhibitors and epidrugs targeting DNA methyltransferase, histone modification, and more new therapies with nanomaterials and imaging to improve the effectiveness of cancer treatment. The structural aspects on discovery of novel small molecules or drugs targeting epigenetic pathways in cancer exploration as promising strategies will be also discussed.
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Affiliation(s)
- Parimal Pandit
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru, Karnataka, India
| | - Varsha Brahmkhatri
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru, Karnataka, India.
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42
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Shin I, Park SH, Jung H, Kim Y. A fluorogenic probe targeting two spatially separated enzymes for selective imaging of cancer cells. Chem Commun (Camb) 2022; 58:4079-4082. [DOI: 10.1039/d2cc01082h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We describe a fluorogenic probe BocLys(Ac)-AB-FC targeting both histone deacetylases (HDACs) and cathepsin L, which are overexpressed in spatially separated subcellular organelles of cancer cells. The results show that the...
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43
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Fernández-Serrano M, Winkler R, Santos JC, Le Pannérer MM, Buschbeck M, Roué G. Histone Modifications and Their Targeting in Lymphoid Malignancies. Int J Mol Sci 2021; 23:253. [PMID: 35008680 PMCID: PMC8745418 DOI: 10.3390/ijms23010253] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
In a wide range of lymphoid neoplasms, the process of malignant transformation is associated with somatic mutations in B cells that affect the epigenetic machinery. Consequential alterations in histone modifications contribute to disease-specific changes in the transcriptional program. Affected genes commonly play important roles in cell cycle regulation, apoptosis-inducing signal transduction, and DNA damage response, thus facilitating the emergence of malignant traits that impair immune surveillance and favor the emergence of different B-cell lymphoma subtypes. In the last two decades, the field has made a major effort to develop therapies that target these epigenetic alterations. In this review, we discuss which epigenetic alterations occur in B-cell non-Hodgkin lymphoma. Furthermore, we aim to present in a close to comprehensive manner the current state-of-the-art in the preclinical and clinical development of epigenetic drugs. We focus on therapeutic strategies interfering with histone methylation and acetylation as these are most advanced in being deployed from the bench-to-bedside and have the greatest potential to improve the prognosis of lymphoma patients.
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Affiliation(s)
- Miranda Fernández-Serrano
- Lymphoma Translational Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (M.F.-S.); (J.C.S.)
- Department of Biochemistry and Molecular Biology, Autonomous University of Barcelona, 08014 Barcelona, Spain
| | - René Winkler
- Chromatin, Metabolism and Cell Fate Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (R.W.); (M.-M.L.P.)
| | - Juliana C. Santos
- Lymphoma Translational Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (M.F.-S.); (J.C.S.)
| | - Marguerite-Marie Le Pannérer
- Chromatin, Metabolism and Cell Fate Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (R.W.); (M.-M.L.P.)
| | - Marcus Buschbeck
- Chromatin, Metabolism and Cell Fate Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (R.W.); (M.-M.L.P.)
- Program of Personalized and Predictive Medicine of Cancer, Germans Trias i Pujol Research Institute (IGTP), 08916 Badalona, Spain
| | - Gaël Roué
- Lymphoma Translational Group, Josep Carreras Leukaemia Research Institute (IJC), 08916 Badalona, Spain; (M.F.-S.); (J.C.S.)
- Department of Biochemistry and Molecular Biology, Autonomous University of Barcelona, 08014 Barcelona, Spain
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44
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A novel HDAC1/2 inhibitor suppresses colorectal cancer through apoptosis induction and cell cycle regulation. Chem Biol Interact 2021; 352:109778. [PMID: 34929181 DOI: 10.1016/j.cbi.2021.109778] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 12/03/2021] [Accepted: 12/10/2021] [Indexed: 01/02/2023]
Abstract
Colorectal cancer (CRC) is one of the leading causes of death around the world, and synthetic chemicals targeting specific proteins or various molecular pathways for tumor suppression, such as histone deacetylases (HADC) inhibitors, are under intensively studied. The target of HDAC involves in regulating critical cellular mechanisms and underpins the progression of anticancer therapy. However, little is known about the antitumor mechanisms of class I specific HDAC inhibitors in CRC. We structurally designed and synthesized benzamide-based compounds, examined their anticancer activity in several solid tumors, and identified compound 9 with high potential. Results from the in vitro enzyme and cell-based studies demonstrated that compound 9 as a selective HDAC1/2 inhibitor that possessed short-term and long-term suppression capacities against colorectal cancer cells. Investigation of molecular regulatory mechanisms of 9 in colorectal cancer cells by biological functional assays evidenced that treatment of compound 9 could activate apoptosis, induce cell cycle arrest, facilitate DNA damage process, and suppress cancer migration. A non-cancerous cell line and the in vivo zebrafish model were applied for safety evaluation. In summary, our results demonstrate that compound 9 is a promising lead drug worth further investigation for development of future cancer therapeutic agents.
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45
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Vagapova E, Kozlov M, Lebedev T, Ivanenko K, Leonova O, Popenko V, Spirin P, Kochetkov S, Prassolov V. Selective Inhibition of HDAC Class I Sensitizes Leukemia and Neuroblastoma Cells to Anticancer Drugs. Biomedicines 2021; 9:1846. [PMID: 34944663 PMCID: PMC8698907 DOI: 10.3390/biomedicines9121846] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/26/2022] Open
Abstract
The acquired resistance of neuroblastoma (NB) and leukemia cells to anticancer therapy remains the major challenge in the treatment of patients with these diseases. Although targeted therapy, such as receptor tyrosine kinase (RTK) inhibitors, has been introduced into clinical practice, its efficacy is limited to patients harboring mutant kinases. Through the analysis of transcriptomic data of 701 leukemia and NB patient samples and cell lines, we revealed that the expression of RTK, such as KIT, FLT3, AXL, FGFR3, and NTRK1, is linked with HDAC class I. Although HDAC inhibitors have antitumor activity, they also have high whole-body toxicity. We developed a novel belinostat derivative named hydrazostat, which targets HDAC class I with limited off-target effects. We compared the toxicity of these drugs within the panel of leukemia and NB cell lines. Next, we revealed that HDAC inhibition with hydrazostat reactivates NTRK1, FGFR3, ROR2, KIT, and FLT3 expression. Based on this finding, we tested the efficacy of hydrazostat in combination with RTK inhibitor imatinib. Additionally, we show the ability of hydrazostat to enhance venetoclax-induced apoptosis. Thus, we reveal the connection between HDACs and RTK and describe a useful strategy to overcome the complications of single-agent therapies.
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Affiliation(s)
- Elmira Vagapova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia
| | - Maxim Kozlov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
| | - Timofey Lebedev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia
| | - Karina Ivanenko
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
| | - Olga Leonova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
| | - Vladimir Popenko
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
| | - Pavel Spirin
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia
| | - Sergey Kochetkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
| | - Vladimir Prassolov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia; (M.K.); (T.L.); (K.I.); (O.L.); (V.P.); (P.S.); (S.K.); (V.P.)
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilov Street 32, 119991 Moscow, Russia
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Zhai S, Zhang H, Chen R, Wu J, Ai D, Tao S, Cai Y, Zhang JQ, Wang L. Design, synthesis and biological evaluation of novel hybrids targeting mTOR and HDACs for potential treatment of hepatocellular carcinoma. Eur J Med Chem 2021; 225:113824. [PMID: 34509167 DOI: 10.1016/j.ejmech.2021.113824] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/19/2021] [Accepted: 08/28/2021] [Indexed: 01/02/2023]
Abstract
Hepatocellular carcinoma (HCC) is a major contributor to global cancer incidence and mortality. Many pathways are involved in the development of HCC and various proteins including mTOR and HDACs have been identified as potential drug targets for HCC treatment. In the present study, two series of novel hybrid molecules targeting mTOR and HDACs were designed and synthesized based on parent inhibitors (MLN0128 and PP121 for mTOR, SAHA for HDACs) by using a fusion-type molecular hybridization strategy. In vitro antiproliferative assays demonstrated that these novel hybrids with suitable linker lengths exhibited broad cytotoxicity against various cancer cell lines, with significant activity against HepG2 cells. Notably, DI06, an MLN0128-based hybrid, exhibited antiproliferative activity against HepG2 cells with an IC50 value of 1.61 μM, which was comparable to those of both parent drugs (MLN0128, IC50 = 2.13 μM and SAHA, IC50 = 2.26 μM). In vitro enzyme inhibition assays indicated that DI06, DI07 and DI17 (PP121-based hybrid) exhibited nanomolar inhibitory activity against mTOR kinase and HDACs (e.g., HDAC1, HDAC2, HDAC3, HADC6 and HADC8). Cellular studies and western blot analyses uncovered that in HepG2 cells, DI06 and DI17 induced cell apoptosis by targeting mTOR and HDACs, blocked the cell cycle at the G0/G1 phase and suppressed cell migration. The potential binding modes of the hybrids (DI06 and DI17) with mTOR and HDACs were investigated by molecular docking. DI06 displayed better stability in rat liver microsomes than DI07 and DI17. Collectively, DI06 as a novel mTOR and HDACs inhibitor presented here warrants further investigation as a potential treatment of HCC.
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Affiliation(s)
- Shiyang Zhai
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Huimin Zhang
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Rui Chen
- State Key Laboratory of Functions and Applications of Medicinal Plants & College of Pharmacy, Guizhou Provincial Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University, Guiyang, 550004, China
| | - Jiangxia Wu
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Daiqiao Ai
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Shunming Tao
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Yike Cai
- Center for Certification and Evaluation, Guangdong Drug Administration, Guangzhou, 510080, China
| | - Ji-Quan Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & College of Pharmacy, Guizhou Provincial Engineering Technology Research Center for Chemical Drug R&D, Guizhou Medical University, Guiyang, 550004, China
| | - Ling Wang
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, Joint International Research Laboratory of Synthetic Biology and Medicine, Guangdong Provincial Engineering and Technology Research Center of Biopharmaceuticals, School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China.
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Abdel-Atty MM, Farag NA, Serya RAT, Abouzid KAM, Mowafy S. Molecular design, synthesis and in vitro biological evaluation of thienopyrimidine-hydroxamic acids as chimeric kinase HDAC inhibitors: a challenging approach to combat cancer. J Enzyme Inhib Med Chem 2021; 36:1290-1312. [PMID: 34187263 PMCID: PMC8253220 DOI: 10.1080/14756366.2021.1933465] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 11/21/2022] Open
Abstract
A series of thieno[2,3-d]pyrimidine-based hydroxamic acid hybrids was designed and synthesised as multitarget anti-cancer agents, through incorporating the pharmacophore of EGFR, VEGFR2 into the inhibitory functionality of HDAC6. Three compounds (12c, 15b and 20b) were promising hits, whereas (12c) exhibited potent VEGFR2 inhibition (IC50=185 nM), potent EGFR inhibition (IC50=1.14 µM), and mild HDAC6 inhibition (23% inhibition). Moreover, compound (15c) was the most potent dual inhibitor among all the synthesised compounds, as it exhibited potent EGFR and VEGFR2 inhibition (IC50=19 nM) and (IC50=5.58 µM), respectively. While compounds (20d) and (7c) displayed nanomolar selective kinase inhibition with EGFR IC50= 68 nM and VEGFR2 IC50= 191 nM, respectively. All of the synthesised compounds were screened in vitro for their cytotoxic effect on 60 human NCI tumour cell lines. Additionally, molecular docking studies and ADMET studies were carried out to gain further insight into their binding mode and predict the pharmacokinetic properties of all the synthesised inhibitors.
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Affiliation(s)
- Mona M. Abdel-Atty
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Nahla A. Farag
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Rabah A. T. Serya
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Khaled A. M. Abouzid
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
- Organic and Medicinal Chemistry Department, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Samar Mowafy
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Misr International University, Cairo, Egypt
- Department of Chemistry, University of Washington, Seattle, WA, USA
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48
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Upadhyay N, Tilekar K, Safuan S, Kumar AP, Schweipert M, Meyer-Almes FJ, C S R. Multi-target weapons: diaryl-pyrazoline thiazolidinediones simultaneously targeting VEGFR-2 and HDAC cancer hallmarks. RSC Med Chem 2021; 12:1540-1554. [PMID: 34671737 PMCID: PMC8459325 DOI: 10.1039/d1md00125f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 06/10/2021] [Indexed: 12/14/2022] Open
Abstract
In anticancer drug discovery, multi-targeting compounds have been beneficial due to their advantages over single-targeting compounds. For instance, VEGFR-2 has a crucial role in angiogenesis and cancer management, whereas HDACs are well-known regulators of epigenetics and have been known to contribute significantly to angiogenesis and carcinogenesis. Herein, we have reported nineteen novel VEGFR-2 and HDAC dual-targeting analogs containing diaryl-pyrazoline thiazolidinediones and their in vitro and in vivo biological evaluation. In particular, the most promising compound 14c has emerged as a dual inhibitor of VEGFR-2 and HDAC. It demonstrated anti-angiogenic activity by inhibiting in vitro HUVEC proliferation, migration, and tube formation. Moreover, an in vivo CAM assay showed that 14c repressed new capillary formation in CAMs. In particular, 14c exhibited cytotoxicity potential on different cancer cell lines such as MCF-7, K562, A549, and HT-29. Additionally, 14c demonstrated significant potency and selectivity against HDAC4 in the sub-micromolar range. To materialize the hypothesis, we also performed molecular docking on the crystal structures of both VEGFR-2 (PDB ID: 1YWN) and HDAC4 (PDB-ID: 4CBY), which corroborated the designing and biological activity. The results indicated that compound 14c could be a potential lead to develop more optimized multi-target analogs with enhanced potency and selectivity.
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Affiliation(s)
- Neha Upadhyay
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
| | - Kalpana Tilekar
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
| | - Sabreena Safuan
- Universiti Sains Malaysia School of Health Sciences Health Campus Universiti Sains Malaysia 16150 Kubang Kerian Kelantan Malaysia
| | - Alan P Kumar
- Cancer Science Institute of Singapore, Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore Singapore
| | - Markus Schweipert
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt Germany
| | - Franz-Josef Meyer-Almes
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences Darmstadt Germany
| | - Ramaa C S
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy Navi Mumbai India
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Upadhyay N, Tilekar K, Safuan S, Kumar AP, Schweipert M, Meyer-Almes FJ, Ramaa CS. Double-edged Swords: Diaryl pyrazoline thiazolidinediones synchronously targeting cancer epigenetics and angiogenesis. Bioorg Chem 2021; 116:105350. [PMID: 34547645 DOI: 10.1016/j.bioorg.2021.105350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/13/2021] [Accepted: 09/07/2021] [Indexed: 12/20/2022]
Abstract
In the present study, two novel series of compounds incorporating naphthyl and pyridyl linker were synthesized and biological assays revealed 5-((6-(2-(5-(2-chlorophenyl)-3-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-2-oxoethoxy) naphthalene-2-yl)methylene)thiazolidine-2,4-dione (14b) as the most potent dual inhibitors of vascular endothelial growth factors receptor-2 (VEGFR-2) and histone deacetylase 4 (HDAC4). Compounds 13b, 14b, 17f, and 21f were found to stabilize HDAC4; where, pyridyl linker swords were endowed with higher stabilization effects than naphthyl linker. Also, 13b and 14b showed best inhibitory activity on VEGFR-2 as compared to others. Compound 14b was most potent as evident by in-vitro and in-vivo biological assessments. It displayed anti-angiogenic potential by inhibiting endothelial cell proliferation, migration, tube formation and also suppressed new capillary formation in the growing chick chorioallantoic membranes (CAMs). It showed selectivity and potency towards HDAC4 as compared to other HDAC isoforms. Compound 14b (25 mg/kg, i.p.) also indicated exceptional antitumor efficacy on in-vivo animal xenograft model of human colorectal adenocarcinoma (HT-29). The mechanism of action of 14b was also confirmed by western blot.
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Affiliation(s)
- Neha Upadhyay
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy, Navi Mumbai, India
| | - Kalpana Tilekar
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy, Navi Mumbai, India
| | - Sabreena Safuan
- School of Health Sciences, Health Campus Universiti Sains 16150 Kubang Kerian, Kelantan, Malaysia
| | - Alan P Kumar
- Cancer Science Institute of Singapore and Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Markus Schweipert
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences, Darmstadt, Germany
| | - Franz-Josef Meyer-Almes
- Department of Chemical Engineering and Biotechnology, University of Applied Sciences, Darmstadt, Germany.
| | - C S Ramaa
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth's College of Pharmacy, Navi Mumbai, India.
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50
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Campiani G, Cavella C, Osko JD, Brindisi M, Relitti N, Brogi S, Saraswati AP, Federico S, Chemi G, Maramai S, Carullo G, Jaeger B, Carleo A, Benedetti R, Sarno F, Lamponi S, Rottoli P, Bargagli E, Bertucci C, Tedesco D, Herp D, Senger J, Ruberti G, Saccoccia F, Saponara S, Gorelli B, Valoti M, Kennedy B, Sundaramurthi H, Butini S, Jung M, Roach KM, Altucci L, Bradding P, Christianson DW, Gemma S, Prasse A. Harnessing the Role of HDAC6 in Idiopathic Pulmonary Fibrosis: Design, Synthesis, Structural Analysis, and Biological Evaluation of Potent Inhibitors. J Med Chem 2021; 64:9960-9988. [PMID: 34251197 PMCID: PMC8300879 DOI: 10.1021/acs.jmedchem.1c00184] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease characterized by a progressive-fibrosing phenotype. IPF has been associated with aberrant HDAC activities confirmed by our immunohistochemistry studies on HDAC6 overexpression in IPF lung tissues. We herein developed a series of novel hHDAC6 inhibitors, having low inhibitory potency over hHDAC1 and hHDAC8, as potential pharmacological tools for IPF treatment. Their inhibitory potency was combined with low in vitro and in vivo toxicity. Structural analysis of 6h and structure-activity relationship studies contributed to the optimization of the binding mode of the new molecules. The best-performing analogues were tested for their efficacy in inhibiting fibrotic sphere formation and cell viability, proving their capability in reverting the IPF phenotype. The efficacy of analogue 6h was also determined in a validated human lung model of TGF-β1-dependent fibrogenesis. The results highlighted in this manuscript may pave the way for the identification of first-in-class molecules for the treatment of IPF.
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Affiliation(s)
- Giuseppe Campiani
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Caterina Cavella
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Jeremy D. Osko
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, United States
| | - Margherita Brindisi
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Nicola Relitti
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Simone Brogi
- Department of Pharmacy, University of Pisa, via Bonanno 6, 56126, Pisa, Italy
| | - A. Prasanth Saraswati
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Stefano Federico
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Giulia Chemi
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Samuele Maramai
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Gabriele Carullo
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Benedikt Jaeger
- Klinik für Pneumologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, Hannover, 30625, Germany
| | - Alfonso Carleo
- Klinik für Pneumologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, Hannover, 30625, Germany
| | - Rosaria Benedetti
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Vico L. de Crecchio 7, 80138, Naples, Italy
| | - Federica Sarno
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Vico L. de Crecchio 7, 80138, Naples, Italy
| | - Stefania Lamponi
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Paola Rottoli
- University of Siena, Specialization School of Respiratory Diseases, Department of Medical Sciences, Surgery and Neurosciences, Centro didattico Le Scotte, , 53100, Siena, Italy
| | - Elena Bargagli
- University of Siena, Department of Medical Sciences, Surgery and Neurosciences, Respiratory Diseases Unit, AOUS, Centro didattico Le Scotte, 53100, Siena, Italy
| | - Carlo Bertucci
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro, 6, Bologna 40126, Italy
| | - Daniele Tedesco
- Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro, 6, Bologna 40126, Italy
| | - Daniel Herp
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-Universität Freiburg, Albertstraße 25, 79104, Freiburg, Germany
| | - Johanna Senger
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-Universität Freiburg, Albertstraße 25, 79104, Freiburg, Germany
| | - Giovina Ruberti
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), via E. Ramarini 32, 00015 Monterotondo (Rome), Italy
| | - Fulvio Saccoccia
- Institute of Biochemistry and Cell Biology (IBBC), National Research Council (CNR), via E. Ramarini 32, 00015 Monterotondo (Rome), Italy
| | - Simona Saponara
- Department of Life Sciences, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Beatrice Gorelli
- Department of Life Sciences, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Massimo Valoti
- Department of Life Sciences, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Breándan Kennedy
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, D04 V1W8, Dublin, Ireland
| | - Husvinee Sundaramurthi
- UCD School of Biomolecular and Biomedical Science, UCD Conway Institute, University College Dublin, D04 V1W8, Dublin, Ireland
| | - Stefania Butini
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-Universität Freiburg, Albertstraße 25, 79104, Freiburg, Germany
| | - Katy M. Roach
- Department of Respiratory Sciences, University of Leicester, UK, Institute of Lung Health and NIHR Leicester BRC-Respiratory, LE5 4PW, Leicester, UK
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Vico L. de Crecchio 7, 80138, Naples, Italy
| | - Peter Bradding
- Department of Respiratory Sciences, University of Leicester, UK, Institute of Lung Health and NIHR Leicester BRC-Respiratory, LE5 4PW, Leicester, UK
| | - David W. Christianson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, United States
| | - Sandra Gemma
- University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, 53100 Siena, Italy
| | - Antje Prasse
- Klinik für Pneumologie, Medizinische Hochschule Hannover, Carl-Neuberg-Str. 1, Hannover, 30625, Germany
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