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Kalnins T, Vitkovska V, Kazak M, Zelencova-Gopejenko D, Ozola M, Narvaiss N, Makrecka-Kuka M, Domračeva I, Kinens A, Gukalova B, Konrad N, Aav R, Bonato F, Lucena-Agell D, Díaz JF, Liepinsh E, Suna E. Development of Potent Microtubule Targeting Agent by Structural Simplification of Natural Diazonamide. J Med Chem 2024; 67:9227-9259. [PMID: 38833507 DOI: 10.1021/acs.jmedchem.4c00388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
The marine metabolite diazonamide A exerts low nanomolar cytotoxicity against a range of tumor cell lines; however, its highly complex molecular architecture undermines the therapeutic potential of the natural product. We demonstrate that truncation of heteroaromatic macrocycle in natural diazonamide A, combined with the replacement of the challenging-to-synthesize tetracyclic hemiaminal subunit by oxindole moiety leads to considerably less complex analogues with improved drug-like properties and nanomolar antiproliferative potency. The structurally simplified macrocycles are accessible in 12 steps from readily available indolin-2-one and tert-leucine with excellent diastereoselectivity (99:1 dr) in the key macrocyclization step. The most potent macrocycle acts as a tubulin assembly inhibitor and exerts similar effects on A2058 cell cycle progression and induction of apoptosis as does marketed microtubule-targeting agent vinorelbine.
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Affiliation(s)
- Toms Kalnins
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Viktorija Vitkovska
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Mihail Kazak
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | | | - Melita Ozola
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Nauris Narvaiss
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | | | - Ilona Domračeva
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Artis Kinens
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Baiba Gukalova
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Nele Konrad
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, Tallinn, Harju Maakon 12618, Estonia
| | - Riina Aav
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, Tallinn, Harju Maakon 12618, Estonia
| | - Francesca Bonato
- Unidad BICS, Centro de Investigaciones Biologicas Margarita Salas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, Madrid 28040, Spain
| | - Daniel Lucena-Agell
- Unidad BICS, Centro de Investigaciones Biologicas Margarita Salas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, Madrid 28040, Spain
| | - J Fernando Díaz
- Unidad BICS, Centro de Investigaciones Biologicas Margarita Salas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, Madrid 28040, Spain
| | - Edgars Liepinsh
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Edgars Suna
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
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2
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Peerzada MN, Dar MS, Verma S. Development of tubulin polymerization inhibitors as anticancer agents. Expert Opin Ther Pat 2023; 33:797-820. [PMID: 38054831 DOI: 10.1080/13543776.2023.2291390] [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: 05/17/2023] [Accepted: 12/01/2023] [Indexed: 12/07/2023]
Abstract
INTRODUCTION Microtubules are intracellular, filamentous, polymeric structures that extend throughout the cytoplasm, composed of α-tubulin and β-tubulin subunits. They regulate many cellular functions including cell polarity, cell shape, mitosis, intracellular transport, cell signaling, gene expression, cell integrity, and are associated with tumorigenesis. Inhibition of tubulin polymerization within tumor cells represents a crucial focus in the pursuit of developing anticancer treatments. AREAS COVERED This review focuses on the natural product and their synthetic congeners as tubulin inhibitors along with their site of interaction on tubulin. This review also covers the developed novel tubulin inhibitors and important patents focusing on the development of tubulin inhibition for cancer treatment reported from 2018 to 2023. The scientific and patent literature has been searched on PubMed, Espacenet, ScienceDirect, and Patent Guru from 2018-2023. EXPERT OPINION Tubulin is one of the promising targets explored extensively for drug discovery. Compounds binding in the colchicine site could be given importance because they can elude resistance mediated by the P-glycoprotein efflux pump and no colchicine site binding inhibitor is approved by FDA so far. The research on the development of antibody drug conjugates (ADCs) for tubluin polymerization inhibition could be significant strategy for cancer treatment.
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Affiliation(s)
- Mudasir Nabi Peerzada
- Tumor Biology Department, Drug Discovery Laboratory, National Institute of Pathology, Indian Council of Medical Research, Safdarjung Hospital Campus, New Delhi, India
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Mohammad Sultan Dar
- Department of Neurosurgery, Sub-District Hospital Sopore, Jammu and Kashmir, India
| | - Saurabh Verma
- Tumor Biology Department, Drug Discovery Laboratory, National Institute of Pathology, Indian Council of Medical Research, Safdarjung Hospital Campus, New Delhi, India
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Xue F, Yang CJ, Tang T, He Z. Sequential annulation and isomerisation reaction of 3-acylmethylidene oxindoles with Huisgen zwitterions and synthesis of 5-(3-oxindolyl)oxazoles. Org Biomol Chem 2023; 21:8176-8181. [PMID: 37786314 DOI: 10.1039/d3ob01199b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
Herein, we report a facile synthesis of 5-(3-oxindolyl)oxazole derivatives via a sequential annulation and isomerisation reaction of 3-acylmethylidene oxindoles with in situ generated Huisgen zwitterions (HZs) from PPh3 and azodicarboxylates. This reaction exhibits good functional group tolerance with 30 examples of structurally diverse products prepared with moderate to good efficiencies (up to 88% yield), thus providing a generally applicable route to the biologically important 5-(3-indolyl)oxazole structural motifs. Key to the success of this sequential one-pot strategy is the utilization of DBU as a base to promote the isomerisation process of the corresponding intermediate annulation products.
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Affiliation(s)
- Feixue Xue
- The State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China.
| | - Chang-Jiang Yang
- Department of Chemistry, School of Sciences, Great Bay University, Dongguan 523000, China
- The Dongguan Key Laboratory for Data Science and Intelligent Medicine, Dongguan 523000, China.
| | - Tong Tang
- The State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China.
| | - Zhengjie He
- The State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China.
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Bai R, Smith AB, Pettit GR, Hamel E. The interaction of spongistatin 1 with tubulin. Arch Biochem Biophys 2022; 727:109296. [PMID: 35594923 PMCID: PMC10062379 DOI: 10.1016/j.abb.2022.109296] [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: 02/02/2022] [Revised: 04/27/2022] [Accepted: 05/15/2022] [Indexed: 11/26/2022]
Abstract
A tritiated derivative of the sponge-derived natural product spongistatin 1 was prepared, and its interactions with tubulin were examined. [3H]Spongistatin 1 was found to bind rapidly to tubulin at a single site (the low specific activity of the [3H]spongistatin 1, 0.75 Ci/mmol, prevented our defining an association rate), and the inability of spongistatin 1 to cause an aberrant assembly reaction was confirmed. Spongistatin 1 bound to tubulin very tightly, and we could detect no significant dissociation reaction from tubulin. The tubulin-[3H]spongistatin 1 complex did dissociate in 8 M urea, so there was no evidence for covalent bond formation. Apparent KD values were obtained by Scatchard analysis of binding data and by Hummel-Dreyer chromatography (3.5 and 1.1 μM, respectively). The effects of a large cohort of vinca domain drugs on the binding of [3H]spongistatin 1 to tubulin were evaluated. Compounds that did not cause aberrant assembly reactions (halichondrin B, eribulin, maytansine, and rhizoxin) caused little inhibition of [3H]spongistatin 1 binding. Little inhibition also occurred with the peptides dolastatin 15, its active pentapeptide derivative, vitilevuamide, or diazonamide A, nor with the vinca alkaloid vinblastine. Strong inhibition was observed with dolastatin 10, hemiasterlin, and cryptophycin 1, all of which cause aberrant assembly reactions that might actually mask the spongistatin 1 binding site. Spongistatin 5 was found to be a competitive inhibitor of [3H]spongistatin 1 binding, with an apparent Ki of 2.2 μM. We propose that the strong picomolar cytotoxicity of spongistatin 1 probably derives from its extremely tight binding to tubulin.
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Affiliation(s)
- Ruoli Bai
- Molecular Pharmacology Branch (RB, EH), Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA
| | - Amos B Smith
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - George R Pettit
- Laboratory for Discovery of Anti-Cancer and Anti-Infective Drugs, School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
| | - Ernest Hamel
- Molecular Pharmacology Branch (RB, EH), Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, 21702, USA.
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Apostol TV, Marutescu LG, Draghici C, Socea LI, Olaru OT, Nitulescu GM, Pahontu EM, Saramet G, Enache-Preoteasa C, Barbuceanu SF. Synthesis and Biological Evaluation of New N-Acyl-α-amino Ketones and 1,3-Oxazoles Derivatives. Molecules 2021; 26:5019. [PMID: 34443608 PMCID: PMC8400786 DOI: 10.3390/molecules26165019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 12/18/2022] Open
Abstract
In order to develop novel bioactive substances with potent activities, some new valine-derived compounds incorporating a 4-(phenylsulfonyl)phenyl fragment, namely, acyclic precursors from N-acyl-α-amino acids and N-acyl-α-amino ketones classes, and heterocycles from the large family of 1,3-oxazole-based compounds, were synthesized. The structures of the new compounds were established using elemental analysis and spectral (UV-Vis, FT-IR, MS, NMR) data, and their purity was checked by reversed-phase HPLC. The newly synthesized compounds were evaluated for their antimicrobial and antibiofilm activities, for toxicity on D. magna, and by in silico studies regarding their potential mechanism of action and toxicity. The 2-aza-3-isopropyl-1-[4-(phenylsulfonyl)phenyl]-1,4-butanedione 4b bearing a p-tolyl group in 4-position exhibited the best antibacterial activity against the planktonic growth of both Gram-positive and Gram-negative strains, while the N-acyl-α-amino acid 2 and 1,3-oxazol-5(4H)-one 3 inhibited the Enterococcus faecium biofilms. Despite not all newly synthesized compounds showing significant biological activity, the general scaffold allows several future optimizations for obtaining better novel antimicrobial agents by the introduction of various substituents on the phenyl moiety at position 5 of the 1,3-oxazole nucleus.
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Affiliation(s)
- Theodora-Venera Apostol
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | - Luminita Gabriela Marutescu
- Department of Botany and Microbiology, Faculty of Biology & Research Institute of the University of Bucharest (ICUB), University of Bucharest, 060101 Bucharest, Romania
| | - Constantin Draghici
- “Costin D. Nenițescu” Centre of Organic Chemistry, Romanian Academy, 202 B Splaiul Independenței, 060023 Bucharest, Romania;
| | - Laura-Ileana Socea
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | - Octavian Tudorel Olaru
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | - George Mihai Nitulescu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | - Elena Mihaela Pahontu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | - Gabriel Saramet
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
| | | | - Stefania-Felicia Barbuceanu
- Faculty of Pharmacy, “Carol Davila” University of Medicine and Pharmacy, 6 Traian Vuia Street, 020956 Bucharest, Romania; (T.-V.A.); (L.-I.S.); (G.M.N.); (E.M.P.); (G.S.); (S.-F.B.)
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Saito Y, Taniguchi Y, Hirazawa S, Miura Y, Tsurimoto H, Nakayoshi T, Oda A, Hamel E, Yamashita K, Goto M, Nakagawa-Goto K. Effects of substituent pattern on the intracellular target of antiproliferative benzo[b]thiophenyl chromone derivatives. Eur J Med Chem 2021; 222:113578. [PMID: 34171512 DOI: 10.1016/j.ejmech.2021.113578] [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: 02/11/2021] [Revised: 05/09/2021] [Accepted: 05/19/2021] [Indexed: 11/30/2022]
Abstract
A new biological scaffold was produced by replacing the 6π-electron phenyl ring-B of a natural flavone skeleton with a 10π-electron benzothiophene (BT). Since aromatic rings are important for ligand protein interactions, this expansion of the π-electron system of ring-B might change the bioactivity profile. One of the resulting novel natural product-inspired compounds, 2-(benzo[b]thiophen-3-yl)-5-hydroxy-7-isopropoxy-6-methoxyflavone (6), effectively arrested the cell cycle at the G2/M phase and displayed significant antiproliferative effects with IC50 values of 0.05-0.08 μM against multiple human tumor cell lines, including a multidrug resistant line. A structure-activity relationship study revealed that a 10π-electron system with high aromaticity, juxtaposed 4-oxo and 5-hydroxy groups, and 7-alkoxy groups were important for potent antimitotic activity. Interestingly, two BT-flavonols (3-hydroxyflavone), 16 and 20, with 3-hydroxy and 5-alkoxy groups, induced distinct biological profiles affecting the cell cycle at the G1/S phase by inhibition of DNA replication through an interaction with topoisomerase I.
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Affiliation(s)
- Yohei Saito
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Yukako Taniguchi
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Sachika Hirazawa
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Yuta Miura
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Hiroyuki Tsurimoto
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Tomoki Nakayoshi
- Graduate School of Pharmacy, Meijo University, Tempaku-ku, Nagoya, 468-8503, Japan
| | - Akifumi Oda
- Graduate School of Pharmacy, Meijo University, Tempaku-ku, Nagoya, 468-8503, Japan
| | - Ernest Hamel
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Katsumi Yamashita
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Masuo Goto
- Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States.
| | - Kyoko Nakagawa-Goto
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan; Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, 27599-7568, United States.
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7
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Peerzada MN, Hamel E, Bai R, Supuran CT, Azam A. Deciphering the key heterocyclic scaffolds in targeting microtubules, kinases and carbonic anhydrases for cancer drug development. Pharmacol Ther 2021; 225:107860. [PMID: 33895188 DOI: 10.1016/j.pharmthera.2021.107860] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/31/2021] [Accepted: 04/06/2021] [Indexed: 12/17/2022]
Abstract
Heterocyclic scaffolds are widely utilized for drug design by taking into account the molecular structure of therapeutic targets that are related to a broad spectrum of ailments, including tumors. Such compounds display various covalent and non-covalent interactions with the specific residues of the target proteins while causing their inhibition. There is a substantial number of heterocyclic compounds approved for cancer treatment, and these compounds function by interacting with different therapeutic targets involved in tumorogenesis. In this review, we trace and emphasize the privileged heterocyclic pharmacophores that have immense potency against several essential chemotherapeutic tumor targets: microtubules, kinases and carbonic anhydrases. Potent compounds currently undergoing pre-clinical and clinical studies have also been assessed for ascertaining the effective class of chemical scaffolds that have significant therapeutic potential against multiple malignancies. In addition, we also describe briefly the role of heterocyclic compounds in various chemotherapy regimens. The optimized molecular hybridization of delineated motifs may result in the discovery of more active anticancer therapeutics and circumvent the development of resistance by specific targets in the future.
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Affiliation(s)
- Mudasir Nabi Peerzada
- Medicinal Chemistry Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Ernest Hamel
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA
| | - Ruoli Bai
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA
| | - Claudiu T Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Polo Scientifico, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy.
| | - Amir Azam
- Medicinal Chemistry Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
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