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Bouzriba C, Gagné-Boulet M, Chavez Alvarez AC, Ouellette V, Laverdière I, Fortin S. Design, synthesis and biological evaluation of new 2,6-difluorinated phenyl 4-(2-oxoimidazolidin-1-yl)benzenesulfonates as new antimicrotubule agents. Bioorg Chem 2024; 146:107299. [PMID: 38547722 DOI: 10.1016/j.bioorg.2024.107299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/07/2024] [Accepted: 03/16/2024] [Indexed: 04/13/2024]
Abstract
We previously discovered a novel family of antimicrotubule agents designated as phenyl 4-(2-oxoimidazolidin-1-yl)benzenesulfonates (PIB-SOs). In this study, we evaluated the effect of the difluorination of the aromatic ring bearing the imidazolidin-2-one moiety (ring A) at positions 3, 5 and 2, 6 on their antiproliferative activity on four cancer cell lines, their ability to disrupt the microtubules and their toxicity toward chick embryos. We thus synthesized, characterized and biologically evaluated 24 new difluorinated PIB-SO derivatives designated as phenyl 3,5-difluoro-4-(2-oxoimidazolidin-1-yl)benzenesulfonates (3,5-PFB-SOs, 4-15) and phenyl 2,6-difluoro-4-(2-oxoimidazolidin-1-yl)benzenesulfonates (2,6-PFB-SOs, 16-27). The concentration of the drug required to inhibit cell growth by 50% (IC50) of 3,5-PFB-SOs is over 1000 nM while most of 2,6-PFB-SOs exhibit IC50 in the nanomolar range (23-900 nM). Furthermore, the most potent 2,6-PFB-SOs 19, 26 and 27 arrest the cell cycle progression in G2/M phase, induce cytoskeleton disruption and impair microtubule polymerization. Docking studies also show that the most potent 2,6-PFB-SOs 19, 21, 24, 26 and 27 have binding affinity toward the colchicine-binding site (C-BS). Moreover, their antiproliferative activity is not affected by antimicrotubule- and multidrug-resistant cell lines. Besides, they exhibit improved in vitro hepatic stability in the mouse, rat and human microsomes compared to their non-fluorinated counterparts. They also showed theoretical pharmacokinetic, physicochemical and drug-like properties suited for further in vivo assays. In addition, they exhibit low to no systemic toxicity toward chick embryos. Finally, our study evidences that PIB-SOs must be fluorinated in specific positions on ring A to maintain both their antiproliferative activity and their biological activity toward microtubules.
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Affiliation(s)
- Chahrazed Bouzriba
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada; These authors contributed equally to this work.
| | - Mathieu Gagné-Boulet
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada; These authors contributed equally to this work
| | - Atziri Corin Chavez Alvarez
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada; Centre de recherche de l'Institut universitaire de cardiologie et de pneumologie de Québec-Université Laval, 2725 chemin Ste-Foy, Québec QC G1V 4G5, Canada
| | - Vincent Ouellette
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada
| | - Isabelle Laverdière
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada
| | - Sébastien Fortin
- Centre de recherche du CHU de Québec-Université Laval, Axe oncologie, Québec, QC, Canada; Faculté de pharmacie, Université Laval, Pavillon Ferdinand-Vandry, 1050 avenue de la Médecine, Québec QC G1V 0A6, Canada.
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Research progress on the structure and biological diversities of 2-phenylindole derivatives in recent 20 years. Bioorg Chem 2023; 132:106342. [PMID: 36621157 DOI: 10.1016/j.bioorg.2023.106342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/05/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
The privileged structure binds to multiple receptors with high affinity, which is helpful to the development of new bioactive compounds. Indole is classified as a privileged structure, which may be one of the most important structural categories in drug discovery. As a special subset of indole compounds, 2-phenylindole seems to be one of most promising forerunners of drug development. In this paper, 106 articles were referenced to review the structural changes, biological activities and structure-activity relationship of compounds in recent 20 years, and classified them according to their pharmacological activities, from several aspects, including anticancer, antibacterial, anti-inflammatory, analgesic, antiviral, anti-parasite, the biological activities target to central nervous system, et al. It also points out the importance of artificial intelligence (AI) technology in discovery of new 2-phenylindole compounds in a broader prospect. This review will provide some ideas for researchers to develop new indole drugs.
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Partscht P, Simon A, Chen NP, Erhardt S, Schiebel E. The HIPK2/CDC14B-MeCP2 axis enhances the spindle assembly checkpoint block by promoting cyclin B translation. SCIENCE ADVANCES 2023; 9:eadd6982. [PMID: 36662865 PMCID: PMC9858502 DOI: 10.1126/sciadv.add6982] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 12/16/2022] [Indexed: 05/12/2023]
Abstract
Mitotic perturbations activate the spindle assembly checkpoint (SAC) that keeps cells in prometaphase with high CDK1 activity. Prolonged mitotic arrest is eventually bypassed by gradual cyclin B decline followed by slippage of cells into G1 without chromosome segregation, a process that promotes cell transformation and drug resistance. Hitherto, the cyclin B1 decay is exclusively defined by mechanisms that involve its proteasomal degradation. Here, we report that hyperphosphorylated HIPK2 kinase accumulates in mitotic cells and phosphorylates the Rett syndrome protein MeCP2 at Ser92, a regulation that is counteracted by CDC14B phosphatase. MeCP2S92 phosphorylation leads to the enhanced translation of cyclin B1, which is important for cells with persistent SAC activation to counteract the proteolytic decline of cyclin B1 and therefore to suspend mitotic slippage. Hence, the HIPK2/CDC14B-MeCP2 axis functions as an enhancer of the SAC-induced mitotic block. Collectively, our study revises the prevailing view of how cells confer a sustainable SAC.
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Affiliation(s)
- Patrick Partscht
- Zentrum für Molekulare Biologie, Universität Heidelberg, DKFZ-ZMBH Allianz, Heidelberg 69120, Germany
- Heidelberg Biosciences International Graduate School (HBIGS), Universität Heidelberg, Heidelberg, Germany
| | - Alexander Simon
- Heidelberg Biosciences International Graduate School (HBIGS), Universität Heidelberg, Heidelberg, Germany
- Zoological Institute, Karlsruhe Institute of Technology (KIT), Karlsruhe 76131, Germany
| | - Nan-Peng Chen
- Zentrum für Molekulare Biologie, Universität Heidelberg, DKFZ-ZMBH Allianz, Heidelberg 69120, Germany
| | - Sylvia Erhardt
- Zoological Institute, Karlsruhe Institute of Technology (KIT), Karlsruhe 76131, Germany
| | - Elmar Schiebel
- Zentrum für Molekulare Biologie, Universität Heidelberg, DKFZ-ZMBH Allianz, Heidelberg 69120, Germany
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Specific Irreversible Cell-Cycle Arrest and Depletion of Cancer Cells Obtained by Combining Curcumin and the Flavonoids Quercetin and Fisetin. Genes (Basel) 2022; 13:genes13071125. [PMID: 35885908 PMCID: PMC9316914 DOI: 10.3390/genes13071125] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/13/2022] [Accepted: 06/21/2022] [Indexed: 01/27/2023] Open
Abstract
Background: Induced senescence could be exploited to selectively counteract the proliferation of cancer cells and target them for senolysis. We examined the cellular senescence induced by curcumin and whether it could be targeted by fisetin and quercetin, flavonoids with senolytic activity. Methods: Cell-cycle profiles, chromosome number and structure, and heterochromatin markers were evaluated via flow cytometry, metaphase spreads, and immunofluorescence, respectively. The activation of p21waf1/cip1 was assessed via RT-qPCR and immunoblotting. Senescent cells were detected via SA-β-Galactosidase staining. Results: We report that curcumin treatment specifically triggers senescence in cancer cells by inducing mitotic slippage and DNA damage. We show that curcumin-induced senescence is p21waf1/cip1-dependent and characterized by heterochromatin loss. Finally, we found that flavonoids clear curcumin-induced senescent cancer cells. Conclusions: Our findings expand the characterization of curcumin-induced cellular senescence in cancer cells and lay the foundation for the combination of curcumin and flavonoids as a possible anti-cancer therapy.
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Donne R, Sangouard F, Celton-Morizur S, Desdouets C. Hepatocyte Polyploidy: Driver or Gatekeeper of Chronic Liver Diseases. Cancers (Basel) 2021; 13:cancers13205151. [PMID: 34680300 PMCID: PMC8534039 DOI: 10.3390/cancers13205151] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/11/2021] [Accepted: 10/11/2021] [Indexed: 12/25/2022] Open
Abstract
Polyploidy, also known as whole-genome amplification, is a condition in which the organism has more than two basic sets of chromosomes. Polyploidy frequently arises during tissue development and repair, and in age-associated diseases, such as cancer. Its consequences are diverse and clearly different between systems. The liver is a particularly fascinating organ in that it can adapt its ploidy to the physiological and pathological context. Polyploid hepatocytes are characterized in terms of the number of nuclei per cell (cellular ploidy; mononucleate/binucleate hepatocytes) and the number of chromosome sets in each nucleus (nuclear ploidy; diploid, tetraploid, octoploid). The advantages and disadvantages of polyploidy in mammals are not fully understood. About 30% of the hepatocytes in the human liver are polyploid. In this review, we explore the mechanisms underlying the development of polyploid cells, our current understanding of the regulation of polyploidization during development and pathophysiology and its consequences for liver function. We will also provide data shedding light on the ways in which polyploid hepatocytes cope with centrosome amplification. Finally, we discuss recent discoveries highlighting the possible roles of liver polyploidy in protecting against tumor formation, or, conversely, contributing to liver tumorigenesis.
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Affiliation(s)
- Romain Donne
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;
- Liver Cancer Program, Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY 10029, USA
- Icahn School of Medicine at Mount Sinai, The Precision Immunology Institute, New York, NY 10029, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Flora Sangouard
- Laboratory of Proliferation, Stress and Liver Physiopathology, Centre de Recherche des Cordeliers, F-75006 Paris, France;
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, F-75006 Paris, France
| | - Séverine Celton-Morizur
- Laboratory of Proliferation, Stress and Liver Physiopathology, Centre de Recherche des Cordeliers, F-75006 Paris, France;
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, F-75006 Paris, France
- Correspondence: (S.C.-M.); (C.D.)
| | - Chantal Desdouets
- Laboratory of Proliferation, Stress and Liver Physiopathology, Centre de Recherche des Cordeliers, F-75006 Paris, France;
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, F-75006 Paris, France
- Correspondence: (S.C.-M.); (C.D.)
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Was H, Borkowska A, Olszewska A, Klemba A, Marciniak M, Synowiec A, Kieda C. Polyploidy formation in cancer cells: How a Trojan horse is born. Semin Cancer Biol 2021; 81:24-36. [PMID: 33727077 DOI: 10.1016/j.semcancer.2021.03.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/29/2021] [Accepted: 03/03/2021] [Indexed: 01/04/2023]
Abstract
Ploidy increase has been shown to occur in different type of tumors and participate in tumor initiation and resistance to the treatment. Polyploid giant cancer cells (PGCCs) are cells with multiple nuclei or a single giant nucleus containing multiple complete sets of chromosomes. The mechanism leading to formation of PGCCs may depend on: endoreplication, mitotic slippage, cytokinesis failure, cell fusion or cell cannibalism. Polyploidy formation might be triggered in response to various genotoxic stresses including: chemotherapeutics, radiation, hypoxia, oxidative stress or environmental factors like: air pollution, UV light or hyperthermia. A fundamental feature of polyploid cancer cells is the generation of progeny during the reversal of the polyploid state (depolyploidization) that may show high aggressiveness resulting in the formation of resistant disease and tumor recurrence. Therefore, we propose that modern anti-cancer therapies should be designed taking under consideration polyploidization/ depolyploidization processes, which confer the polyploidization a hidden potential similar to a Trojan horse delayed aggressiveness. Various mechanisms and stress factors leading to polyploidy formation in cancer cells are discussed in this review.
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Affiliation(s)
- Halina Was
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland.
| | - Agata Borkowska
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland; Postgraduate School of Molecular Medicine, Zwirki i Wigury 61 Street, Warsaw, Poland
| | - Aleksandra Olszewska
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland; Postgraduate School of Molecular Medicine, Zwirki i Wigury 61 Street, Warsaw, Poland
| | - Aleksandra Klemba
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland; College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw, Banacha 2c Street, Warsaw, Poland
| | - Marta Marciniak
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland
| | - Agnieszka Synowiec
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland
| | - Claudine Kieda
- Laboratory of Molecular Oncology and Innovative Therapies, Military Institute of Medicine, Szaserow 128 Street, Warsaw, Poland
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Discovery of Novel Agents on Spindle Assembly Checkpoint to Sensitize Vinorelbine-Induced Mitotic Cell Death Against Human Non-Small Cell Lung Cancers. Int J Mol Sci 2020; 21:ijms21165608. [PMID: 32764382 PMCID: PMC7460560 DOI: 10.3390/ijms21165608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/30/2020] [Accepted: 08/03/2020] [Indexed: 12/16/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) accounts about 80% of all lung cancers. More than two-thirds of NSCLC patients have inoperable, locally advanced or metastatic tumors. Non-toxic agents that synergistically potentiate cancer-killing activities of chemotherapeutic drugs are in high demand. YL-9 was a novel and non-cytotoxic compound with the structure related to sildenafil but showing much less activity against phosphodiesterase type 5 (PDE5). NCI-H460, an NSCLC cell line with low PDE5 expression, was used as the cell model. YL-9 synergistically potentiated vinorelbine-induced anti-proliferative and apoptotic effects in NCI-H460 cells. Vinorelbine induced tubulin acetylation and Bub1-related kinase (BUBR1) phosphorylation, a necessary component in spindle assembly checkpoint. These effects, as well as BUBR1 cleavage, were substantially enhanced in co-treatment with YL-9. Several mitotic arrest signals were enhanced under combinatory treatment of vinorelbine and YL-9, including an increase of mitotic spindle abnormalities, increased cyclin B1 expression, B-cell lymphoma 2 (Bcl-2) phosphorylation and increased phosphoproteins. Moreover, YL-9 also displayed synergistic activity in combining with vinorelbine to induce apoptosis in A549 cells which express PDE5. In conclusion. the data suggest that YL-9 is a novel agent that synergistically amplifies vinorelbine-induced NSCLC apoptosis through activation of spindle assembly checkpoint and increased mitotic arrest of the cell cycle. YL-9 shows the potential for further development in combinatory treatment against NSCLC.
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Abstract
Polyploidy (or whole-genome duplication) is the condition of having more than two basic sets of chromosomes. Polyploidization is well tolerated in many species and can lead to specific biological functions. In mammals, programmed polyploidization takes place during development in certain tissues, such as the heart and placenta, and is considered a feature of differentiation. However, unscheduled polyploidization can cause genomic instability and has been observed in pathological conditions, such as cancer. Polyploidy of the liver parenchyma was first described more than 100 years ago. The liver is one of the few mammalian organs that display changes in polyploidy during homeostasis, regeneration and in response to damage. In the human liver, approximately 30% of hepatocytes are polyploid. The polyploidy of hepatocytes results from both nuclear polyploidy (an increase in the amount of DNA per nucleus) and cellular polyploidy (an increase in the number of nuclei per cell). In this Review, we discuss the regulation of polyploidy in liver development and pathophysiology. We also provide an overview of current knowledge about the mechanisms of hepatocyte polyploidization, its biological importance and the fate of polyploid hepatocytes during liver tumorigenesis.
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A convolutional neural network model for semantic segmentation of mitotic events in microscopy images. Neural Comput Appl 2018. [DOI: 10.1007/s00521-017-3333-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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