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Brindisi M, Ulivieri C, Alfano G, Gemma S, de Asís Balaguer F, Khan T, Grillo A, Chemi G, Menchon G, Prota AE, Olieric N, Lucena-Agell D, Barasoain I, Diaz JF, Nebbioso A, Conte M, Lopresti L, Magnano S, Amet R, Kinsella P, Zisterer DM, Ibrahim O, O'Sullivan J, Morbidelli L, Spaccapelo R, Baldari C, Butini S, Novellino E, Campiani G, Altucci L, Steinmetz MO, Brogi S. Structure-activity relationships, biological evaluation and structural studies of novel pyrrolonaphthoxazepines as antitumor agents. Eur J Med Chem 2018; 162:290-320. [PMID: 30448418 DOI: 10.1016/j.ejmech.2018.11.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/11/2018] [Accepted: 11/02/2018] [Indexed: 02/07/2023]
Abstract
Microtubule-targeting agents (MTAs) are a class of clinically successful anti-cancer drugs. The emergence of multidrug resistance to MTAs imposes the need for developing new MTAs endowed with diverse mechanistic properties. Benzoxazepines were recently identified as a novel class of MTAs. These anticancer agents were thoroughly characterized for their antitumor activity, although, their exact mechanism of action remained elusive. Combining chemical, biochemical, cellular, bioinformatics and structural efforts we developed improved pyrrolonaphthoxazepines antitumor agents and their mode of action at the molecular level was elucidated. Compound 6j, one of the most potent analogues, was confirmed by X-ray as a colchicine-site MTA. A comprehensive structural investigation was performed for a complete elucidation of the structure-activity relationships. Selected pyrrolonaphthoxazepines were evaluated for their effects on cell cycle, apoptosis and differentiation in a variety of cancer cells, including multidrug resistant cell lines. Our results define compound 6j as a potentially useful optimized hit for the development of effective compounds for treating drug-resistant tumors.
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Affiliation(s)
- Margherita Brindisi
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Cristina Ulivieri
- Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Life Sciences, via Aldo Moro 2, I-53100, Siena, Italy
| | - Gloria Alfano
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Sandra Gemma
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Francisco de Asís Balaguer
- Department of Physical and Chemical Biology, Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Tuhina Khan
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy
| | - Alessandro Grillo
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Giulia Chemi
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy
| | - Grégory Menchon
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland; University of Basel, Biozentrum, 4056 Basel, Switzerland
| | - Andrea E Prota
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland; University of Basel, Biozentrum, 4056 Basel, Switzerland
| | - Natacha Olieric
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland; University of Basel, Biozentrum, 4056 Basel, Switzerland
| | - Daniel Lucena-Agell
- Department of Physical and Chemical Biology, Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Isabel Barasoain
- Department of Physical and Chemical Biology, Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - J Fernando Diaz
- Department of Physical and Chemical Biology, Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Angela Nebbioso
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Vico L. de Crecchio 7, 80138, Naples, Italy
| | | | - Ludovica Lopresti
- Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Life Sciences, via Aldo Moro 2, I-53100, Siena, Italy
| | - Stefania Magnano
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160, Pearse Street, Dublin 2, Ireland
| | - Rebecca Amet
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160, Pearse Street, Dublin 2, Ireland
| | - Paula Kinsella
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160, Pearse Street, Dublin 2, Ireland
| | - Daniela M Zisterer
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, 152-160, Pearse Street, Dublin 2, Ireland
| | - Ola Ibrahim
- School of Dental Science, Trinity College Dublin, Lincoln Place, Dublin 2, Ireland
| | - Jeff O'Sullivan
- School of Dental Science, Trinity College Dublin, Lincoln Place, Dublin 2, Ireland
| | - Lucia Morbidelli
- Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Life Sciences, via Aldo Moro 2, I-53100, Siena, Italy
| | - Roberta Spaccapelo
- Department of Experimental Medicine, University of Perugia, P.le Gambuli, I-06132, Perugia, Italy
| | - Cosima Baldari
- Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Life Sciences, via Aldo Moro 2, I-53100, Siena, Italy
| | - Stefania Butini
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy.
| | - Ettore Novellino
- Department of Pharmacy, University of Napoli Federico II, DoE Department of Excellence 2018-2022, Via D. Montesano 49, 80131, Napoli, Italy
| | - Giuseppe Campiani
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy.
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Vico L. de Crecchio 7, 80138, Naples, Italy
| | - Michel O Steinmetz
- Laboratory of Biomolecular Research, Division of Biology and Chemistry, Paul Scherrer Institut, 5232, Villigen, Switzerland; University of Basel, Biozentrum, 4056 Basel, Switzerland
| | - Simone Brogi
- European Research Centre for Drug Discovery and Development (NatSynDrugs), University of Siena, Department of Biotechnology, Chemistry and Pharmacy, DoE Department of Excellence 2018-2022, via Aldo Moro 2, I-53100, Siena, Italy; Istituto Toscano Tumori, University of Siena, via Aldo Moro 2, I-53100, Siena, Italy; Department of Pharmacy, University of Napoli Federico II, DoE Department of Excellence 2018-2022, Via D. Montesano 49, 80131, Napoli, Italy
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