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Becker IC, Wilkie AR, Nikols E, Carminita E, Roweth HG, Tilburg J, Sciaudone AR, Noetzli LJ, Fatima F, Couldwell G, Ray A, Mogilner A, Machlus KR, Italiano JE. Cell cycle-dependent centrosome clustering precedes proplatelet formation. SCIENCE ADVANCES 2024; 10:eadl6153. [PMID: 38896608 PMCID: PMC11186502 DOI: 10.1126/sciadv.adl6153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 05/14/2024] [Indexed: 06/21/2024]
Abstract
Platelet-producing megakaryocytes (MKs) primarily reside in the bone marrow, where they duplicate their DNA content with each cell cycle resulting in polyploid cells with an intricate demarcation membrane system. While key elements of the cytoskeletal reorganizations during proplatelet formation have been identified, what initiates the release of platelets into vessel sinusoids remains largely elusive. Using a cell cycle indicator, we observed a unique phenomenon, during which amplified centrosomes in MKs underwent clustering following mitosis, closely followed by proplatelet formation, which exclusively occurred in G1 of interphase. Forced cell cycle arrest in G1 increased proplatelet formation not only in vitro but also in vivo following short-term starvation of mice. We identified that inhibition of the centrosomal protein kinesin family member C1 (KIFC1) impaired clustering and subsequent proplatelet formation, while KIFC1-deficient mice exhibited reduced platelet counts. In summary, we identified KIFC1- and cell cycle-mediated centrosome clustering as an important initiator of proplatelet formation from MKs.
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Affiliation(s)
- Isabelle C. Becker
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Adrian R. Wilkie
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Emma Nikols
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
| | - Estelle Carminita
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Harvey G. Roweth
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
- Brigham and Women’s Hospital, 4 Blackfan Circle, Boston, MA 02115, USA
| | - Julia Tilburg
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | | | - Leila J. Noetzli
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
- Brigham and Women’s Hospital, 4 Blackfan Circle, Boston, MA 02115, USA
| | - Farheen Fatima
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
| | | | - Anjana Ray
- Brigham and Women’s Hospital, 4 Blackfan Circle, Boston, MA 02115, USA
| | - Alex Mogilner
- Courant Institute of Mathematical Sciences, New York University, 251 Mercer Street, New York, NY 10012, USA
| | - Kellie R. Machlus
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
| | - Joseph E. Italiano
- Vascular Biology Program, Boston Children’s Hospital, 1 Blackfan Circle, Boston, MA 02115, USA
- Harvard Medical School, 25 Shattuck Street, Boston, MA 02115, USA
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2
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Kalkan BM, Ozcan SC, Cicek E, Gonen M, Acilan C. Nek2A prevents centrosome clustering and induces cell death in cancer cells via KIF2C interaction. Cell Death Dis 2024; 15:222. [PMID: 38493150 PMCID: PMC10944510 DOI: 10.1038/s41419-024-06601-0] [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: 11/24/2023] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 03/18/2024]
Abstract
Unlike normal cells, cancer cells frequently exhibit supernumerary centrosomes, leading to formation of multipolar spindles that can trigger cell death. Nevertheless, cancer cells with supernumerary centrosomes escape the deadly consequences of unequal segregation of genomic material by coalescing their centrosomes into two poles. This unique trait of cancer cells presents a promising target for cancer therapy, focusing on selectively attacking cells with supernumerary centrosomes. Nek2A is a kinase involved in mitotic regulation, including the centrosome cycle, where it phosphorylates linker proteins to separate centrosomes. In this study, we investigated if Nek2A also prevents clustering of supernumerary centrosomes, akin to its separation function. Reduction of Nek2A activity, achieved through knockout, silencing, or inhibition, promotes centrosome clustering, whereas its overexpression results in inhibition of clustering. Significantly, prevention of centrosome clustering induces cell death, but only in cancer cells with supernumerary centrosomes, both in vitro and in vivo. Notably, none of the known centrosomal (e.g., CNAP1, Rootletin, Gas2L1) or non-centrosomal (e.g., TRF1, HEC1) Nek2A targets were implicated in this machinery. Additionally, Nek2A operated via a pathway distinct from other proteins involved in centrosome clustering mechanisms, like HSET and NuMA. Through TurboID proximity labeling analysis, we identified novel proteins associated with the centrosome or microtubules, expanding the known interaction partners of Nek2A. KIF2C, in particular, emerged as a novel interactor, confirmed through coimmunoprecipitation and localization analysis. The silencing of KIF2C diminished the impact of Nek2A on centrosome clustering and rescued cell viability. Additionally, elevated Nek2A levels were indicative of better patient outcomes, specifically in those predicted to have excess centrosomes. Therefore, while Nek2A is a proposed target, its use must be specifically adapted to the broader cellular context, especially considering centrosome amplification. Discovering partners such as KIF2C offers fresh insights into cancer biology and new possibilities for targeted treatment.
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Affiliation(s)
- Batuhan Mert Kalkan
- Koç University, Graduate School of Health Sciences, Istanbul, Turkey
- Koç University, Research Center for Translational Medicine, Istanbul, Turkey
| | | | - Enes Cicek
- Koç University, Graduate School of Health Sciences, Istanbul, Turkey
- Koç University, Research Center for Translational Medicine, Istanbul, Turkey
| | - Mehmet Gonen
- Koç University, School of Medicine, Istanbul, Turkey
- Koç University, College of Engineering, Department of Industrial Engineering, Istanbul, Turkey
| | - Ceyda Acilan
- Koç University, Research Center for Translational Medicine, Istanbul, Turkey.
- Koç University, School of Medicine, Istanbul, Turkey.
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3
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Aris P, Mohamadzadeh M, Zarei M, Xia X. Computational Design of Novel Griseofulvin Derivatives Demonstrating Potential Antibacterial Activity: Insights from Molecular Docking and Molecular Dynamics Simulation. Int J Mol Sci 2024; 25:1039. [PMID: 38256112 PMCID: PMC10816260 DOI: 10.3390/ijms25021039] [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: 11/17/2023] [Revised: 01/11/2024] [Accepted: 01/13/2024] [Indexed: 01/24/2024] Open
Abstract
In response to the urgent demand for innovative antibiotics, theoretical investigations have been employed to design novel analogs. Because griseofulvin is a potential antibacterial agent, we have designed novel derivatives of griseofulvin to enhance its antibacterial efficacy and to evaluate their interactions with bacterial targets using in silico analysis. The results of this study reveal that the newly designed derivatives displayed the most robust binding affinities towards PBP2, tyrosine phosphatase, and FtsZ proteins. Additionally, molecular dynamics (MD) simulations underscored the notable stability of these derivatives when engaged with the FtsZ protein, as evidenced by root mean square deviation (RMSD), root mean square fluctuation (RMSF), radius of gyration (Rg), and solvent-accessible surface area (SASA). Importantly, this observation aligns with expectations, considering that griseofulvin primarily targets microtubules in eukaryotic cells, and FtsZ functions as the prokaryotic counterpart to microtubules. These findings collectively suggest the promising potential of griseofulvin and its designed derivatives as effective antibacterial agents, particularly concerning their interaction with the FtsZ protein. This research contributes to the ongoing exploration of novel antibiotics and may serve as a foundation for future drug development efforts.
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Affiliation(s)
- Parisa Aris
- Department of Biology, University of Ottawa, 30 Marie Curie, P.O. Box 450, Ottawa, ON K1N 6N5, Canada
| | - Masoud Mohamadzadeh
- Department of Chemistry, Faculty of Sciences, University of Hormozgan, Bandar Abbas 71961, Iran; (M.M.); (M.Z.)
| | - Maaroof Zarei
- Department of Chemistry, Faculty of Sciences, University of Hormozgan, Bandar Abbas 71961, Iran; (M.M.); (M.Z.)
- Nanoscience, Nanotechnology and Advanced Materials Research Center, University of Hormozgan, Bandar Abbas 71961, Iran
| | - Xuhua Xia
- Department of Biology, University of Ottawa, 30 Marie Curie, P.O. Box 450, Ottawa, ON K1N 6N5, Canada
- Ottawa Institute of Systems Biology, Ottawa, ON K1H 8M5, Canada
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4
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Schatten H. The Impact of Centrosome Pathologies on Ovarian Cancer Development and Progression with a Focus on Centrosomes as Therapeutic Target. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1452:37-64. [PMID: 38805124 DOI: 10.1007/978-3-031-58311-7_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
The impact of centrosome abnormalities on cancer cell proliferation has been recognized as early as 1914 (Boveri, Zur Frage der Entstehung maligner Tumoren. Jena: G. Fisher, 1914), but vigorous research on molecular levels has only recently started when it became fully apparent that centrosomes can be targeted for new cancer therapies. While best known for their microtubule-organizing capabilities as MTOC (microtubule organizing center) in interphase and mitosis, centrosomes are now further well known for a variety of different functions, some of which are related to microtubule organization and consequential activities such as cell division, migration, maintenance of cell shape, and vesicle transport powered by motor proteins, while other functions include essential roles in cell cycle regulation, metabolic activities, signal transduction, proteolytic activity, and several others that are now heavily being investigated for their role in diseases and disorders (reviewed in Schatten and Sun, Histochem Cell Biol 150:303-325, 2018; Schatten, Adv Anat Embryol Cell Biol 235:43-50, 2022a; Schatten, Adv Anat Embryol Cell Biol 235:17-35, 2022b).Cancer cell centrosomes differ from centrosomes in noncancer cells in displaying specific abnormalities that include phosphorylation abnormalities, overexpression of specific centrosomal proteins, abnormalities in centriole and centrosome duplication, formation of multipolar spindles that play a role in aneuploidy and genomic instability, and several others that are highlighted in the present review on ovarian cancer. Ovarian cancer cell centrosomes, like those in other cancers, display complex abnormalities that in part are based on the heterogeneity of cells in the cancer tissues resulting from different etiologies of individual cancer cells that will be discussed in more detail in this chapter.Because of the critical role of centrosomes in cancer cell proliferation, several lines of research are being pursued to target centrosomes for therapeutic intervention to inhibit abnormal cancer cell proliferation and control tumor progression. Specific centrosome abnormalities observed in ovarian cancer will be addressed in this chapter with a focus on targeting such aberrations for ovarian cancer-specific therapies.
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Affiliation(s)
- Heide Schatten
- University of Missouri-Columbia Department of Veterinary Pathobiology, Columbia, MO, USA.
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5
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Yang L, Liang X, Ding Y, Li X, Li X, Zeng Q. Transition Metal-Catalyzed Enantioselective Synthesis of Chiral Five- and Six-Membered Benzo O-heterocycles. CHEM REC 2023; 23:e202300173. [PMID: 37401804 DOI: 10.1002/tcr.202300173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/22/2023] [Indexed: 07/05/2023]
Abstract
Enantiomerically enriched five- and six-membered benzo oxygen heterocycles are privileged architectures in functional organic molecules. Over the last several years, many effective methods have been established to access these compounds. However, comprehensive documents cover updated methodologies still in highly demand. In this review, recent transition metal catalyzed transformations lead to chiral five- and six-membered benzo oxygen heterocycles are presented. The mechanism and chirality transfer or control processes are also discussed in details.
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Affiliation(s)
- Lu Yang
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu, 610041, People's Republic of China
| | - Xiayu Liang
- College of Materials, Chemistry & Chemical Engineering, Chengdu, 610059, People's Republic of China
| | - Yuyang Ding
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu, 610041, People's Republic of China
| | - Xinran Li
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu, 610041, People's Republic of China
| | - Xuefeng Li
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu, 610041, People's Republic of China
| | - Qingle Zeng
- College of Materials, Chemistry & Chemical Engineering, Chengdu, 610059, People's Republic of China
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6
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Guo Y, Li J, Shi J, Mi L, Zhang J, Han S, Liu W, Cheng D, Qiang S, Kalaji HM, Chen S. Griseofulvin Inhibits Root Growth by Targeting Microtubule-Associated Proteins Rather Tubulins in Arabidopsis. Int J Mol Sci 2023; 24:ijms24108692. [PMID: 37240033 DOI: 10.3390/ijms24108692] [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: 03/02/2023] [Revised: 04/19/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Griseofulvin was considered an effective agent for cancer therapy in past decades. Although the negative effects of griseofulvin on microtubule stability are known, the exact target and mechanism of action in plants remain unclear. Here, we used trifluralin, a well-known herbicide targeting microtubules, as a reference and revealed the differences in root tip morphology, reactive oxygen species production (ROS), microtubule dynamics, and transcriptome analysis between Arabidopsis treated with griseofulvin and trifluralin to elucidate the mechanism of root growth inhibition by griseofulvin. Like trifluralin, griseofulvin inhibited root growth and caused significant swelling of the root tip due to cell death induced by ROS. However, the presence of griseofulvin and trifluralin caused cell swelling in the transition zone (TZ) and meristematic zone (MZ) of root tips, respectively. Further observations revealed that griseofulvin first destroyed cortical microtubules in the cells of the TZ and early elongation zone (EZ) and then gradually affected the cells of other zones. The first target of trifluralin is the microtubules in the root MZ cells. Transcriptome analysis showed that griseofulvin mainly affected the expression of microtubule-associated protein (MAP) genes rather than tubulin genes, whereas trifluralin significantly suppressed the expression of αβ-tubulin genes. Finally, it was proposed that griseofulvin could first reduce the expression of MAP genes, meanwhile increasing the expression of auxin and ethylene-related genes to disrupt microtubule alignment in root tip TZ and early EZ cells, induce dramatic ROS production, and cause severe cell death, eventually leading to cell swelling in the corresponding zones and inhibition of root growth.
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Affiliation(s)
- Yanjing Guo
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Jingjing Li
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiale Shi
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Liru Mi
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing Zhang
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Su Han
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Liu
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Dan Cheng
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Sheng Qiang
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
| | - Hazem M Kalaji
- Institute of Technology and Life Sciences; National Research Institute, Falenty, Al. Hrabska 3, 05-090 Raszyn, Poland
- Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences SGGW, 159 Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Shiguo Chen
- Weed Research Laboratory, Nanjing Agricultural University, Nanjing 210095, China
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7
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In Silico Exploration of Microtubule Agent Griseofulvin and Its Derivatives Interactions with Different Human β-Tubulin Isotypes. Molecules 2023; 28:molecules28052384. [PMID: 36903629 PMCID: PMC10005519 DOI: 10.3390/molecules28052384] [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: 01/15/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Tubulin isotypes are known to regulate microtubule stability and dynamics, as well as to play a role in the development of resistance to microtubule-targeted cancer drugs. Griseofulvin is known to disrupt cell microtubule dynamics and cause cell death in cancer cells through binding to tubulin protein at the taxol site. However, the detailed binding mode involved molecular interactions, and binding affinities with different human β-tubulin isotypes are not well understood. Here, the binding affinities of human β-tubulin isotypes with griseofulvin and its derivatives were investigated using molecular docking, molecular dynamics simulation, and binding energy calculations. Multiple sequence analysis shows that the amino acid sequences are different in the griseofulvin binding pocket of βI isotypes. However, no differences were observed at the griseofulvin binding pocket of other β-tubulin isotypes. Our molecular docking results show the favorable interaction and significant affinity of griseofulvin and its derivatives toward human β-tubulin isotypes. Further, molecular dynamics simulation results show the structural stability of most β-tubulin isotypes upon binding to the G1 derivative. Taxol is an effective drug in breast cancer, but resistance to it is known. Modern anticancer treatments use a combination of multiple drugs to alleviate the problem of cancer cells resistance to chemotherapy. Our study provides a significant understanding of the involved molecular interactions of griseofulvin and its derivatives with β-tubulin isotypes, which may help to design potent griseofulvin analogues for specific tubulin isotypes in multidrug-resistance cancer cells in future.
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8
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Sharma N, Setiawan D, Hamelberg D, Narayan R, Aneja R. Computational benchmarking of putative KIFC1 inhibitors. Med Res Rev 2023; 43:293-318. [PMID: 36104980 DOI: 10.1002/med.21926] [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: 11/25/2021] [Revised: 08/06/2022] [Accepted: 08/17/2022] [Indexed: 02/05/2023]
Abstract
The centrosome in animal cells is instrumental in spindle pole formation, nucleation, proper alignment of microtubules during cell division, and distribution of chromosomes in each daughter cell. Centrosome amplification involving structural and numerical abnormalities in the centrosome can cause chromosomal instability and dysregulation of the cell cycle, leading to cancer development and metastasis. However, disturbances caused by centrosome amplification can also limit cancer cell survival by activating mitotic checkpoints and promoting mitotic catastrophe. As a smart escape, cancer cells cluster their surplus of centrosomes into pseudo-bipolar spindles and progress through the cell cycle. This phenomenon, known as centrosome clustering (CC), involves many proteins and has garnered considerable attention as a specific cancer cell-targeting weapon. The kinesin-14 motor protein KIFC1 is a minus end-directed motor protein that is involved in CC. Because KIFC1 is upregulated in various cancers and modulates oncogenic signaling cascades, it has emerged as a potential chemotherapeutic target. Many molecules have been identified as KIFC1 inhibitors because of their centrosome declustering activity in cancer cells. Despite the ever-increasing literature in this field, there have been few efforts to review the progress. The current review aims to collate and present an in-depth analysis of known KIFC1 inhibitors and their biological activities. Additionally, we present computational docking data of putative KIFC1 inhibitors with their binding sites and binding affinities. This first-of-kind comparative analysis involving experimental biology, chemistry, and computational docking of different KIFC1 inhibitors may help guide decision-making in the selection and design of potent inhibitors.
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Affiliation(s)
- Nivya Sharma
- Department of Biology, Georgia State University, Atlanta, Georgia, USA
| | - Dani Setiawan
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Donald Hamelberg
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Rishikesh Narayan
- School of Chemical and Materials Sciences, Indian Institute of Technology Goa, Goa, India.,School of Interdisciplinary Life Sciences, Indian Institute of Technology Goa, Goa, India
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, Georgia, USA.,Department of Clinical and Diagnostic Sciences, School of Health Professions, University of Alabama at Birmingham, Birmingham, AL, USA
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9
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Firdous F, Ibrahim R, Furqan M, Khan H, Raza H, Singh U, Emwas A, Jaremko M, Chotana GA, Faisal A, Saleem RSZ. Synthesis and Characterization of Griseofulvin Derivatives as Microtubule‐Stabilizing Agents. ChemistrySelect 2022. [DOI: 10.1002/slct.202202832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Farhat Firdous
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Rida Ibrahim
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Muhammad Furqan
- Department of Life Sciences Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Hina Khan
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Hadeeqa Raza
- Department of Life Sciences Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Upendra Singh
- Division of Biological and Environmental Sciences and Engineering King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Abdul‐Hamid Emwas
- KAUST Core Labs King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Mariusz Jaremko
- Division of Biological and Environmental Sciences and Engineering King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Ghayoor Abbas Chotana
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Amir Faisal
- Department of Life Sciences Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Rahman Shah Zaib Saleem
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
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10
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Centrosome de-clustering of cancer cells induces cGAS-STING-mediated innate immunity of tumor-associated tumor cells in response to irradiation. Biochem Biophys Res Commun 2022; 636:24-30. [DOI: 10.1016/j.bbrc.2022.10.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 11/24/2022]
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11
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Sabat‐Pośpiech D, Fabian‐Kolpanowicz K, Kalirai H, Kipling N, Coupland SE, Coulson JM, Fielding AB. Aggressive uveal melanoma displays a high degree of centrosome amplification, opening the door to therapeutic intervention. J Pathol Clin Res 2022; 8:383-394. [PMID: 35474453 PMCID: PMC9161346 DOI: 10.1002/cjp2.272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/18/2022] [Accepted: 03/28/2022] [Indexed: 11/22/2022]
Abstract
Uveal melanoma (UM) is the most common intraocular cancer in adults. Whilst treatment of primary UM (PUM) is often successful, around 50% of patients develop metastatic disease with poor outcomes, linked to chromosome 3 loss (monosomy 3, M3). Advances in understanding UM cell biology may indicate new therapeutic options. We report that UM exhibits centrosome abnormalities, which in other cancers are associated with increased invasiveness and worse prognosis, but also represent a potential Achilles' heel for cancer-specific therapeutics. Analysis of 75 PUM patient samples revealed both higher centrosome numbers and an increase in centrosomes with enlarged pericentriolar matrix (PCM) compared to surrounding normal tissue, both indicative of centrosome amplification. The PCM phenotype was significantly associated with M3 (t-test, p < 0.01). Centrosomes naturally enlarge as cells approach mitosis; however, whilst UM with higher mitotic scores had enlarged PCM regardless of genetic status, the PCM phenotype remained significantly associated with M3 in UM with low mitotic scores (ANOVA, p = 0.021) suggesting that this is independent of proliferation. Phenotypic analysis of patient-derived cultures and established UM lines revealed comparable levels of centrosome amplification in PUM cells to archetypal triple-negative breast cancer cell lines, whilst metastatic UM (MUM) cell lines had even higher levels. Importantly, many UM cells also exhibit centrosome clustering, a common strategy employed by other cancer cells with centrosome amplification to survive cell division. As UM samples with M3 display centrosome abnormalities indicative of amplification, this phenotype may contribute to the development of MUM, suggesting that centrosome de-clustering drugs may provide a novel therapeutic approach.
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Affiliation(s)
- Dorota Sabat‐Pośpiech
- Molecular Physiology and Cell Signalling, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
- Molecular and Clinical Cancer Medicine, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | - Kim Fabian‐Kolpanowicz
- Biomedical and Life Sciences, Faculty of Health and MedicineLancaster UniversityLancasterUK
| | - Helen Kalirai
- Molecular and Clinical Cancer Medicine, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | - Natalie Kipling
- Molecular and Clinical Cancer Medicine, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | - Sarah E Coupland
- Molecular and Clinical Cancer Medicine, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | - Judy M Coulson
- Molecular Physiology and Cell Signalling, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | - Andrew B Fielding
- Molecular Physiology and Cell Signalling, Institute of Systems Molecular & Integrative BiologyUniversity of LiverpoolLiverpoolUK
- Biomedical and Life Sciences, Faculty of Health and MedicineLancaster UniversityLancasterUK
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12
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In Silico Molecular Dynamics of Griseofulvin and Its Derivatives Revealed Potential Therapeutic Applications for COVID-19. Int J Mol Sci 2022; 23:ijms23136889. [PMID: 35805893 PMCID: PMC9267096 DOI: 10.3390/ijms23136889] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/17/2022] [Accepted: 06/18/2022] [Indexed: 11/17/2022] Open
Abstract
Treatment options for Coronavirus Disease 2019 (COVID-19) remain limited, and the option of repurposing approved drugs with promising medicinal properties is of increasing interest in therapeutic approaches to COVID-19. Using computational approaches, we examined griseofulvin and its derivatives against four key anti-SARS-CoV-2 targets: main protease, RdRp, spike protein receptor-binding domain (RBD), and human host angiotensin-converting enzyme 2 (ACE2). Molecular docking analysis revealed that griseofulvin (CID 441140) has the highest docking score (–6.8 kcal/mol) with main protease of SARS-CoV-2. Moreover, griseofulvin derivative M9 (CID 144564153) proved the most potent inhibitor with −9.49 kcal/mol, followed by A3 (CID 46844082) with −8.44 kcal/mol against M protease and ACE2, respectively. Additionally, H bond analysis revealed that compound A3 formed the highest number of hydrogen bonds, indicating the strongest inhibitory efficacy against ACE2. Further, molecular dynamics (MD) simulation analysis revealed that griseofulvin and these derivatives are structurally stable. These findings suggest that griseofulvin and its derivatives may be considered when designing future therapeutic options for SARS-CoV-2 infection.
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Philip R, Fiorino C, Harrison RE. Terminally differentiated osteoclasts organize centrosomes into large clusters for microtubule nucleation and bone resorption. Mol Biol Cell 2022; 33:ar68. [PMID: 35511803 DOI: 10.1091/mbc.e22-03-0098] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Osteoclasts are highly specialized, multinucleated cells responsible for the selective resorption of the dense, calcified bone matrix. Microtubules (MTs) contribute to the polarization and trafficking events involved in bone resorption by osteoclasts, however the origin of these elaborate arrays is less clear. Osteoclasts arise through cell fusion of precursor cells. Previous studies have suggested that centrosome MT nucleation is lost during this process, with the nuclear membrane and its surrounding Golgi serving as the major microtubule organizing centres (MTOCs) in these cells. Here we reveal that precursor cell centrosomes are maintained and functional in the multinucleated osteoclast and interestingly form large MTOC clusters, with the clusters organizing significantly more MTs, compared to individual centrosomes. MTOC cluster formation requires dynamic microtubules and minus-end directed MT motor activity. Inhibition of these centrosome clustering elements had a marked impact on both F-actin ring formation and bone resorption. Together these findings show that multinucleated osteoclasts employ unique centrosomal clusters to organize the extensive microtubules during bone attachment and resorption. [Media: see text].
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Affiliation(s)
- Reuben Philip
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada, M5S 1A8.,Lunenfeld-Tanenbaum Research Institute, Toronto, Ontario, Canada, M5G 1 × 5
| | - Cara Fiorino
- Department of Cell & Systems Biology and the Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4
| | - Rene E Harrison
- Department of Cell & Systems Biology and the Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4
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Farrukh UB, Bilal A, Zahid H, Iqbal M, Manzoor S, Firdous F, Furqan M, Azeem M, Emwas A, Alazmi M, Gao X, Saleem RSZ, Faisal A. Synthesis and Evaluation of Novel Carboxamides Capable of Causing Centrosome Declustering and Apoptosis in Breast Cancer Cells. ChemistrySelect 2022. [DOI: 10.1002/slct.202104218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Usama B. Farrukh
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Aishah Bilal
- Department of Biology Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Huda Zahid
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Maheen Iqbal
- Department of Biology Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Safia Manzoor
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Farhat Firdous
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Muhammad Furqan
- Department of Biology Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Muhammad Azeem
- Department of Biology Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Abdul‐Hamid Emwas
- Imaging and Characterization Core Lab King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Meshari Alazmi
- Computer, Electrical and Mathematical Sciences and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Xin Gao
- Computer, Electrical and Mathematical Sciences and Engineering Division King Abdullah University of Science and Technology Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Rahman S. Z. Saleem
- Department of Chemistry and Chemical Engineering Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Amir Faisal
- Department of Biology Syed Babar Ali School of Science and Engineering Lahore University of Management Sciences Lahore 54792 Pakistan
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Koehler L, Reich S, Begemann G, Schobert R, Biersack B. 2-Amino-4-aryl-5-oxo-4,5-dihydropyrano[3,2-c]chromene-3-carbonitriles with microtubule disruptive, centrosome declustering and antiangiogenic effects in vitro and in vivo. ChemMedChem 2022; 17:e202200064. [PMID: 35226402 PMCID: PMC9311119 DOI: 10.1002/cmdc.202200064] [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: 02/02/2022] [Revised: 02/25/2022] [Indexed: 12/02/2022]
Abstract
A series of fifteen 2‐amino‐4‐aryl‐5‐oxo‐4,5‐dihydropyrano[3,2‐c]chromene‐3‐carbonitriles (1 a–o) were synthesized via a three‐component reaction of 4‐hydroxycoumarin, malononitrile, and diversely substituted benzaldehydes or pyridine carbaldehydes. The compounds were tested for anticancer activities against a panel of eight human tumor cell lines. A few derivatives with high antiproliferative activities and different cancer cell specificity were identified and investigated for their modes of action. They led to microtubule disruption, centrosome de‐clustering and G2/M cell cycle arrest in 518 A2 melanoma cells. They also showed anti‐angiogenic effects in vitro and in vivo.
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Affiliation(s)
- Leonhard Koehler
- Universität Bayreuth Fakultät für Biologie Chemie Geowissenschaften: Universitat Bayreuth Fakultat fur Biologie Chemie Geowissenschaften, Organische Chemie 1, GERMANY
| | - Sebastian Reich
- Universität Bayreuth Fakultät für Biologie Chemie Geowissenschaften: Universitat Bayreuth Fakultat fur Biologie Chemie Geowissenschaften, Organische Chemie 1, GERMANY
| | - Gerrit Begemann
- Universität Bayreuth Fakultät für Biologie Chemie Geowissenschaften: Universitat Bayreuth Fakultat fur Biologie Chemie Geowissenschaften, Entwicklungsbiologie, GERMANY
| | - Rainer Schobert
- Universität Bayreuth Fakultät für Biologie Chemie Geowissenschaften: Universitat Bayreuth Fakultat fur Biologie Chemie Geowissenschaften, Organische Chemie 1, GERMANY
| | - Bernhard Biersack
- Universitat Bayreuth, Organische Chemie 1, Universit�tsstrasse 30, 95440, Bayreuth, GERMANY
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Aris P, Yan L, Wei Y, Chang Y, Shi B, Xia X. Conservation of griseofulvin genes in the gsf gene cluster among fungal genomes. G3 (BETHESDA, MD.) 2022; 12:jkab399. [PMID: 34792561 PMCID: PMC9210304 DOI: 10.1093/g3journal/jkab399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 11/08/2021] [Indexed: 11/12/2022]
Abstract
The polyketide griseofulvin is a natural antifungal compound and research in griseofulvin has been key in establishing our current understanding of polyketide biosynthesis. Nevertheless, the griseofulvin gsf biosynthetic gene cluster (BGC) remains poorly understood in most fungal species, including Penicillium griseofulvum where griseofulvin was first isolated. To elucidate essential genes involved in griseofulvin biosynthesis, we performed third-generation sequencing to obtain the genome of P. griseofulvum strain D-756. Furthermore, we gathered publicly available genome of 11 other fungal species in which gsf gene cluster was identified. In a comparative genome analysis, we annotated and compared the gsf BGC of all 12 fungal genomes. Our findings show no gene rearrangements at the gsf BGC. Furthermore, seven gsf genes are conserved by most genomes surveyed whereas the remaining six were poorly conserved. This study provides new insights into differences between gsf BGC and suggests that seven gsf genes are essential in griseofulvin production.
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Affiliation(s)
- Parisa Aris
- Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Lihong Yan
- National Joint Engineering Research Center of Industrial Microbiology and Fermentation Technology, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
- Department of Bioengineering, College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Yulong Wei
- Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Ying Chang
- National Joint Engineering Research Center of Industrial Microbiology and Fermentation Technology, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
- Department of Bioengineering, College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Bihong Shi
- National Joint Engineering Research Center of Industrial Microbiology and Fermentation Technology, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
- Department of Bioengineering, College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Xuhua Xia
- Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
- Ottawa Institute of Systems Biology, Ottawa, ON K1H 8M5, Canada
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Keep Calm and Carry on with Extra Centrosomes. Cancers (Basel) 2022; 14:cancers14020442. [PMID: 35053604 PMCID: PMC8774008 DOI: 10.3390/cancers14020442] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/01/2022] [Accepted: 01/03/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Precise chromosome segregation during mitosis is a vital event orchestrated by formation of bipolar spindle poles. Supernumerary centrosomes, caused by centrosome amplification, deteriorates mitotic processes, resulting in segregation defects leading to chromosomal instability (CIN). Centrosome amplification is frequently observed in various types of cancer and considered as a significant contributor to destabilization of chromosomes. This review provides a comprehensive overview of causes and consequences of centrosome amplification thoroughly describing molecular mechanisms. Abstract Aberrations in the centrosome number and structure can readily be detected at all stages of tumor progression and are considered hallmarks of cancer. Centrosome anomalies are closely linked to chromosome instability and, therefore, are proposed to be one of the driving events of tumor formation and progression. This concept, first posited by Boveri over 100 years ago, has been an area of interest to cancer researchers. We have now begun to understand the processes by which these numerical and structural anomalies may lead to cancer, and vice-versa: how key events that occur during carcinogenesis could lead to amplification of centrosomes. Despite the proliferative advantages that having extra centrosomes may confer, their presence can also lead to loss of essential genetic material as a result of segregational errors and cancer cells must deal with these deadly consequences. Here, we review recent advances in the current literature describing the mechanisms by which cancer cells amplify their centrosomes and the methods they employ to tolerate the presence of these anomalies, focusing particularly on centrosomal clustering.
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Centrosome Dysfunctions in Cancer. THE CENTROSOME AND ITS FUNCTIONS AND DYSFUNCTIONS 2022; 235:43-50. [DOI: 10.1007/978-3-031-20848-5_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Farinella VF, Kawafune ES, Tangerina MMP, Domingos HV, Costa-Lotufo LV, Ferreira MJP. OSMAC Strategy Integrated with Molecular Networking for Accessing Griseofulvin Derivatives from Endophytic Fungi of Moquiniastrum polymorphum (Asteraceae). Molecules 2021; 26:7316. [PMID: 34885898 PMCID: PMC8658887 DOI: 10.3390/molecules26237316] [Citation(s) in RCA: 6] [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: 10/29/2021] [Revised: 11/20/2021] [Accepted: 11/30/2021] [Indexed: 12/05/2022] Open
Abstract
Three endophytic fungi isolated from Moquiniastrum polymorphum (Less.) G. Sancho (Asteraceae) were cultivated using the one strain many compounds (OSMAC) strategy to evaluate the production of griseofulvin derivatives. Extracts obtained were analyzed by HPLC-MS/MS and the chromatographic and spectrometric data used to elaborate a feature-based molecular network (FBMN) through the GNPS platform. This approach allowed the observation of differences such as medium-specific and strain-specific production of griseofulvin derivatives and variations of cytotoxic activity in most extracts. To evaluate the efficiency of the OSMAC approach allied with FBMN analysis in the prospection of compounds of biotechnological interest, griseofulvin and 7-dechlorogriseofulvin were isolated, and the relative concentrations were estimated in all culture media using HPLC-UV, allowing for the inference of the best strain-medium combinations to maximize its production. Malt extract-peptone broth and Wickerham broth media produced the highest concentrations of both secondary metabolites.
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Affiliation(s)
- Victor F. Farinella
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (V.F.F.); (E.S.K.); (M.M.P.T.)
| | - Eunizinis S. Kawafune
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (V.F.F.); (E.S.K.); (M.M.P.T.)
| | - Marcelo M. P. Tangerina
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (V.F.F.); (E.S.K.); (M.M.P.T.)
| | - Helori V. Domingos
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (H.V.D.); (L.V.C.-L.)
| | - Leticia V. Costa-Lotufo
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (H.V.D.); (L.V.C.-L.)
| | - Marcelo J. P. Ferreira
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-090, SP, Brazil; (V.F.F.); (E.S.K.); (M.M.P.T.)
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20
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Piemonte KM, Anstine LJ, Keri RA. Centrosome Aberrations as Drivers of Chromosomal Instability in Breast Cancer. Endocrinology 2021; 162:6381103. [PMID: 34606589 PMCID: PMC8557634 DOI: 10.1210/endocr/bqab208] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Indexed: 12/12/2022]
Abstract
Chromosomal instability (CIN), or the dynamic change in chromosome number and composition, has been observed in cancer for decades. Recently, this phenomenon has been implicated as facilitating the acquisition of cancer hallmarks and enabling the formation of aggressive disease. Hence, CIN has the potential to serve as a therapeutic target for a wide range of cancers. CIN in cancer often occurs as a result of disrupting key regulators of mitotic fidelity and faithful chromosome segregation. As a consequence of their essential roles in mitosis, dysfunctional centrosomes can induce and maintain CIN. Centrosome defects are common in breast cancer, a heterogeneous disease characterized by high CIN. These defects include amplification, structural defects, and loss of primary cilium nucleation. Recent studies have begun to illuminate the ability of centrosome aberrations to instigate genomic flux in breast cancer cells and the tumor evolution associated with aggressive disease and poor patient outcomes. Here, we review the role of CIN in breast cancer, the processes by which centrosome defects contribute to CIN in this disease, and the emerging therapeutic approaches that are being developed to capitalize upon such aberrations.
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Affiliation(s)
- Katrina M Piemonte
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Cancer Biology, Cleveland Clinic Lerner Research Institute, Cleveland, OH 44195, USA
| | - Lindsey J Anstine
- Department of Pharmacology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Cancer Biology, Cleveland Clinic Lerner Research Institute, Cleveland, OH 44195, USA
- Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland, OH 44195, USA
| | - Ruth A Keri
- Department of Cancer Biology, Cleveland Clinic Lerner Research Institute, Cleveland, OH 44195, USA
- Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland, OH 44195, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Correspondence: Ruth A. Keri, PhD, Department of Cancer Biology, Cleveland Clinic Lerner Research Institute, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
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21
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Xiao J, Zhao J, Wang YW, Luo G, Peng Y. Total syntheses of (+)-adunctins C and D: assignment of their absolute configurations. Org Biomol Chem 2021; 19:9840-9843. [PMID: 34748620 DOI: 10.1039/d1ob02055b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first total synthesis of (+)-adunctin C (ent-1) and (+)-adunctin D (2), two monoterpene-substitued dihydrochalcones isolated from Piper aduncum (Piperaceae), was achieved. A regioselective oxidative [3 + 2] cycloaddition of acylphloroglucinol with (-)-β-phellandrene was developed to construct their unique spirobenzofuran skeleton. The absolute configurations of natural adunctins 1 and 2 were thus assigned through these endeavors.
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Affiliation(s)
- Jian Xiao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Jun Zhao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Ya-Wen Wang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Gan Luo
- West China School of Pharmacy, Sichuan University, Chengdu 610041, People's Republic of China
| | - Yu Peng
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
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22
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Zhu L, Zhao RH, Li Y, Liu GQ, Zhao Y. CtD strategy to construct stereochemically complex and structurally diverse compounds from griseofulvin. Chem Commun (Camb) 2021; 57:10755-10758. [PMID: 34585686 DOI: 10.1039/d1cc04007c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The Complexity to Diversity (CtD) strategy, a strategy for the synthesis of stereochemically complex and structurally diverse small molecules from natural products using ring-distortion reactions, was applied in the synthesis of a 47-member compound collection from the natural product griseofulvin. A Tsuji-Trost allylation and oxa-Michael cyclization tandem reaction was used for the first time in the CtD strategy to generate complex ring fused compounds.
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Affiliation(s)
- Li Zhu
- School of Pharmacy, Nantong University, Nantong 226001, China.
| | - Rui-Han Zhao
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Yu Li
- School of Pharmacy, Nantong University, Nantong 226001, China.
| | - Gong-Qing Liu
- School of Pharmacy, Nantong University, Nantong 226001, China.
| | - Yu Zhao
- School of Pharmacy, Nantong University, Nantong 226001, China.
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23
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Qiu R, Kambe N, Tang Z, Tong Z, Yin SF. Recent Advances on Benzofuranones: Synthesis and Transformation via C–H Functionalization. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1405-5761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
AbstractThe benzofuranone structure is important in many fields, such as natural products, pharmaceuticals, building blocks, antioxidants, and dyes. The efficient synthesis and transformation of benzofuranones have attracted great attention in organic synthesis. They can be synthesized by the Friedel–Crafts reaction and intramolecular dehydration ring-closing and transition-metal-catalyzed reactions, among others. Their direct utilization in the preparation of other functional molecules further enhance their application. Due to their low pK
a value and easy enolization, the transformation of benzofuranones via C(3)–H bond functionalization has been a hot issue since 2010. Herein, we highlight advances in the synthesis of benzofuranones and their transformation via C–H functionalization. Other transformations related to benzofuranones are also discussed.1 Introduction2 Synthesis of Benzofuranones3 C–H Functionalization of Benzofuranones4 Other Types of Reactions of Benzofuranones5 Conclusion and Outlook
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Affiliation(s)
- Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University
| | - Nobuaki Kambe
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University
- The Institute of Scientific and Industrial Research, Osaka University
| | - Zhi Tang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources Hainan Provincial Key Lab of Fine Chem, Hainan University
| | - Zhou Tong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University
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Mohamed AF, Abuamara TMM, Amer ME, Ei-Moselhy LE, Gomah TA, Matar ER, Shebl RI, Desouky SE, Abu-Elghait M. Genetic and Histopathological Alterations in Caco-2 and HuH-7 Cells Treated with Secondary Metabolites of Marine fungi. J Gastrointest Cancer 2021; 53:480-495. [PMID: 33974218 DOI: 10.1007/s12029-021-00640-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2021] [Indexed: 11/26/2022]
Abstract
The present work aimed to study the activity of naturally derived fungal secondary metabolites as anticancer agents concerning their cytotoxicity, apoptotic, genetic, and histopathological profile. It was noticed that Aspergillus terreus, Aspergillus flavus, and Aspergillus fumigatus induced variable toxic potential that was cell type, secondary metabolite type, and concentration dependent. Human colonic adenocarcinoma cells (Caco-2) showed less sensitivity than hepatocyte-derived cellular carcinoma cells (HuH-7), and in turn, the half-maximal inhibitory concentration (IC50) was variable. Also, the apoptotic potential of Aspergillus species-derived fungal secondary metabolites was proven via detection of up-regulated pro-apoptotic genes and down-regulation of anti-apoptotic genes. The expression level was cell type dependent. Concurrently, apoptotic profile was accompanied with cellular DNA accumulation at the G2/M phase, as well as an elevation in Pre-G1 phase but not during G0/G1 and S phases. Also, there were characteristic apoptotic features of treated cells presented as abnormal intra-nuclear eosinophilic structures, dead cells with mixed euchromatin and heterochromatin, ruptured cell membranes, apoptotic cells with irregular cellular and nuclear membranes, as well as peripheral chromatin condensation. It can be concluded that Aspergillus secondary metabolites are promising agents that can be used as supplementary agents to the currently applied anti-cancer drug regimen.
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Affiliation(s)
- Aly Fahmy Mohamed
- The International center for training and advanced researches (ICTAR -Egypt), Cairo, Egypt
| | - Tamer M M Abuamara
- Histology department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | - Mohamed E Amer
- Histology department, Faculty of medicine, Al-Azhar University, Damietta, Egypt
| | - Laila E Ei-Moselhy
- Histology department, Faculty of medicine (girls), Al-Azhar University, Damietta, Egypt
| | | | - Emadeldin R Matar
- Pathology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | - Rania Ibrahim Shebl
- Microbiology and Immunology Department, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
| | - Said E Desouky
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar Uniersity, 11847, Nasr City, Cairo, Egypt
| | - Mohammed Abu-Elghait
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar Uniersity, 11847, Nasr City, Cairo, Egypt.
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Evans LT, Anglen T, Scott P, Lukasik K, Loncarek J, Holland AJ. ANKRD26 recruits PIDD1 to centriolar distal appendages to activate the PIDDosome following centrosome amplification. EMBO J 2020; 40:e105106. [PMID: 33350495 DOI: 10.15252/embj.2020105106] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 11/08/2020] [Accepted: 11/10/2020] [Indexed: 12/22/2022] Open
Abstract
Centriole copy number is tightly maintained by the once-per-cycle duplication of these organelles. Centrioles constitute the core of centrosomes, which organize the microtubule cytoskeleton and form the poles of the mitotic spindle. Centrosome amplification is frequently observed in tumors, where it promotes aneuploidy and contributes to invasive phenotypes. In non-transformed cells, centrosome amplification triggers PIDDosome activation as a protective response to inhibit cell proliferation, but how extra centrosomes activate the PIDDosome remains unclear. Using a genome-wide screen, we identify centriole distal appendages as critical for PIDDosome activation in cells with extra centrosomes. The distal appendage protein ANKRD26 is found to interact with and recruit the PIDDosome component PIDD1 to centriole distal appendages, and this interaction is required for PIDDosome activation following centrosome amplification. Furthermore, a recurrent ANKRD26 mutation found in human tumors disrupts PIDD1 localization and PIDDosome activation in cells with extra centrosomes. Our data support a model in which ANKRD26 initiates a centriole-derived signal to limit cell proliferation in response to centrosome amplification.
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Affiliation(s)
- Lauren T Evans
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Taylor Anglen
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Phillip Scott
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kimberly Lukasik
- Laboratory of Protein Dynamics and Signaling, NIH/NCI/CCR, Frederick, MD, USA
| | - Jadranka Loncarek
- Laboratory of Protein Dynamics and Signaling, NIH/NCI/CCR, Frederick, MD, USA
| | - Andrew J Holland
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Yuan S, Gopal JV, Ren S, Chen L, Liu L, Gao Z. Anticancer fungal natural products: Mechanisms of action and biosynthesis. Eur J Med Chem 2020; 202:112502. [PMID: 32652407 DOI: 10.1016/j.ejmech.2020.112502] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/20/2020] [Accepted: 05/25/2020] [Indexed: 01/07/2023]
Abstract
Many fungal metabolites show promising anticancer properties both in vitro and in animal models, and some synthetic analogs of those metabolites have progressed into clinical trials. However, currently, there are still no fungi-derived agents approved as anticancer drugs. Two potential reasons could be envisioned: 1) lacking a clear understanding of their anticancer mechanism of action, 2) unable to supply enough materials to support the preclinical and clinic developments. In this review, we will summarize recent efforts on elucidating the anticancer mechanisms and biosynthetic pathways of several promising anticancer fungal natural products.
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Affiliation(s)
- Siwen Yuan
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Jannu Vinay Gopal
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Shuya Ren
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Litong Chen
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Lan Liu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China
| | - Zhizeng Gao
- School of Marine Sciences, Sun Yat-sen University, Guangzhou, 510006, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China.
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27
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Targeting centrosome amplification, an Achilles' heel of cancer. Biochem Soc Trans 2020; 47:1209-1222. [PMID: 31506331 PMCID: PMC6824836 DOI: 10.1042/bst20190034] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/08/2019] [Accepted: 08/13/2019] [Indexed: 12/12/2022]
Abstract
Due to cell-cycle dysregulation, many cancer cells contain more than the normal compliment of centrosomes, a state referred to as centrosome amplification (CA). CA can drive oncogenic phenotypes and indeed can cause cancer in flies and mammals. However, cells have to actively manage CA, often by centrosome clustering, in order to divide. Thus, CA is also an Achilles' Heel of cancer cells. In recent years, there have been many important studies identifying proteins required for the management of CA and it has been demonstrated that disruption of some of these proteins can cause cancer-specific inhibition of cell growth. For certain targets therapeutically relevant interventions are being investigated, for example, small molecule inhibitors, although none are yet in clinical trials. As the field is now poised to move towards clinically relevant interventions, it is opportune to summarise the key work in targeting CA thus far, with particular emphasis on recent developments where small molecule or other strategies have been proposed. We also highlight the relatively unexplored paradigm of reversing CA, and thus its oncogenic effects, for therapeutic gain.
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28
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Bashir K, Guo P, Chen G, Li Y, Ge Y, Shu H, Fu Q. Synthesis, characterization, and application of griseofulvin surface molecularly imprinted polymers as the selective solid phase extraction sorbent in rat plasma samples. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2019.06.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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29
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Mechanisms of Genomic Instability in Breast Cancer. Trends Mol Med 2019; 25:595-611. [DOI: 10.1016/j.molmed.2019.04.004] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/29/2019] [Accepted: 04/04/2019] [Indexed: 12/22/2022]
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30
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Abstract
Schistosomiasis affects millions globally. There is no vaccine, and treatment depends entirely on praziquantel (PZQ). Field isolates exhibit reduced susceptibility to PZQ, and resistance has been experimentally induced, suggesting that reliance on a single treatment is particularly dangerous. The present study investigated the value of cinnarizine and griseofulvin against Schistosoma mansoni through their in vitro effects on adult worms and oviposition as well as in vivo evaluation in early and late infection, compared to PZQ, in a preliminary experimental model. In vitro, both cinnarizine and griseofulvin showed uncoupling, sluggish worm movement and complete absence of ova at 100 μg/ml. In early infection, cinnarizine showed a significant reduction in the number of porto-mesenteric couples compared to the griseofulvin and control groups, a finding similar to PZQ. Remarkably, cinnarizine significantly exceeded PZQ and griseofulvin in reducing the total worm burden. In late infection, cinnarizine and griseofulvin showed results similar to PZQ by significantly reducing the numbers of hepatic and porto-mesenteric couples and total worm burden compared to controls. Cinnarizine performed better than griseofulvin by reducing hepatic and intestinal ovum counts, and it led to complete disappearance of the first two immature stages. The current work suggests the possibility of using cinnarizine and griseofulvin, mainly in late S. mansoni infection, especially cinnarizine, which showed similar results to PZQ and surpassed it in early infection. Further studies are required to elucidate their exact mechanisms of action and particularly their synergistic effect with PZQ.
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Abstract
Centrosome amplification is a feature of multiple tumour types and has been postulated to contribute to both tumour initiation and tumour progression. This chapter focuses on the mechanisms by which an increase in centrosome number might lead to an increase or decrease in tumour progression and the role of proteins that regulate centrosome number in driving tumorigenesis.
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Affiliation(s)
- Arunabha Bose
- KS215, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Navi Mumbai, Maharashtra, India
- Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Sorab N Dalal
- KS215, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Navi Mumbai, Maharashtra, India.
- Homi Bhabha National Institute, Mumbai, Maharashtra, India.
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Mariappan A, Soni K, Schorpp K, Zhao F, Minakar A, Zheng X, Mandad S, Macheleidt I, Ramani A, Kubelka T, Dawidowski M, Golfmann K, Wason A, Yang C, Simons J, Schmalz HG, Hyman AA, Aneja R, Ullrich R, Urlaub H, Odenthal M, Büttner R, Li H, Sattler M, Hadian K, Gopalakrishnan J. Inhibition of CPAP-tubulin interaction prevents proliferation of centrosome-amplified cancer cells. EMBO J 2018; 38:embj.201899876. [PMID: 30530478 PMCID: PMC6331730 DOI: 10.15252/embj.201899876] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 10/11/2018] [Accepted: 10/18/2018] [Indexed: 11/29/2022] Open
Abstract
Centrosome amplification is a hallmark of human cancers that can trigger cancer cell invasion. To survive, cancer cells cluster amplified extra centrosomes and achieve pseudobipolar division. Here, we set out to prevent clustering of extra centrosomes. Tubulin, by interacting with the centrosomal protein CPAP, negatively regulates CPAP‐dependent peri‐centriolar material recruitment, and concurrently microtubule nucleation. Screening for compounds that perturb CPAP–tubulin interaction led to the identification of CCB02, which selectively binds at the CPAP binding site of tubulin. Genetic and chemical perturbation of CPAP–tubulin interaction activates extra centrosomes to nucleate enhanced numbers of microtubules prior to mitosis. This causes cells to undergo centrosome de‐clustering, prolonged multipolar mitosis, and cell death. 3D‐organotypic invasion assays reveal that CCB02 has broad anti‐invasive activity in various cancer models, including tyrosine kinase inhibitor (TKI)‐resistant EGFR‐mutant non‐small‐cell lung cancers. Thus, we have identified a vulnerability of cancer cells to activation of extra centrosomes, which may serve as a global approach to target various tumors, including drug‐resistant cancers exhibiting high incidence of centrosome amplification.
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Affiliation(s)
- Aruljothi Mariappan
- Institute für Humangenetik, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität, Düsseldorf, Germany.,Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Komal Soni
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany.,Biomolecular NMR at Center for Integrated Protein Science Munich and Department Chemie, Technische Universität München, Garching, Germany
| | - Kenji Schorpp
- Assay Development and Screening Platform, Institute of molecular Toxicology and Pharmacology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Fan Zhao
- Department of Basic Medical Sciences, Center for Structural Biology, School of Medicine, Beijing, China.,MOE Key Laboratory of Protein Sciences, School of Life Sciences, Beijing, China.,Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Amin Minakar
- Department of Chemistry, University of Cologne, Cologne, Germany
| | - Xiangdong Zheng
- Department of Basic Medical Sciences, Center for Structural Biology, School of Medicine, Beijing, China.,MOE Key Laboratory of Protein Sciences, School of Life Sciences, Beijing, China.,Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Sunit Mandad
- Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany.,Bioanalytics, University Medical Center Goettingen, Goettingen, Germany.,Department of Neuro- and Sensory Physiology, University Medical Center Göttingen, Göttingen, Germany
| | - Iris Macheleidt
- Institute of Pathology and Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Anand Ramani
- Institute für Humangenetik, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität, Düsseldorf, Germany.,IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tomáš Kubelka
- Biomolecular NMR at Center for Integrated Protein Science Munich and Department Chemie, Technische Universität München, Garching, Germany
| | - Maciej Dawidowski
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany.,Biomolecular NMR at Center for Integrated Protein Science Munich and Department Chemie, Technische Universität München, Garching, Germany.,Department of Drug Technology and Pharmaceutical Biotechnology, Faculty of Pharmacy, Medical University of Warsaw, Warsaw, Poland
| | - Kristina Golfmann
- Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Arpit Wason
- Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Chunhua Yang
- Department of Biology, Georgia State University, Atlanta, GA, USA
| | - Judith Simons
- Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | | | - Anthony A Hyman
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, GA, USA
| | - Roland Ullrich
- Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Henning Urlaub
- Bioanalytical Mass Spectrometry Group, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany.,Bioanalytics, University Medical Center Goettingen, Goettingen, Germany
| | - Margarete Odenthal
- Institute of Pathology and Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Reinhardt Büttner
- Institute of Pathology and Center for Molecular Medicine of the University of Cologne, Cologne, Germany
| | - Haitao Li
- Department of Basic Medical Sciences, Center for Structural Biology, School of Medicine, Beijing, China.,MOE Key Laboratory of Protein Sciences, School of Life Sciences, Beijing, China.,Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China
| | - Michael Sattler
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany.,Biomolecular NMR at Center for Integrated Protein Science Munich and Department Chemie, Technische Universität München, Garching, Germany
| | - Kamyar Hadian
- Assay Development and Screening Platform, Institute of molecular Toxicology and Pharmacology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Jay Gopalakrishnan
- Institute für Humangenetik, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität, Düsseldorf, Germany .,Center for Molecular Medicine of the University of Cologne, Cologne, Germany.,IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
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Kawakami M, Liu X, Dmitrovsky E. New Cell Cycle Inhibitors Target Aneuploidy in Cancer Therapy. Annu Rev Pharmacol Toxicol 2018; 59:361-377. [PMID: 30110577 DOI: 10.1146/annurev-pharmtox-010818-021649] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Aneuploidy is a hallmark of cancer. Defects in chromosome segregation result in aneuploidy. Multiple pathways are engaged in this process, including errors in kinetochore-microtubule attachments, supernumerary centrosomes, spindle assembly checkpoint (SAC) defects, and chromosome cohesion defects. Although aneuploidy provides an adaptation and proliferative advantage in affected cells, excessive aneuploidy beyond a critical level can be lethal to cancer cells. Given this, enhanced chromosome missegregation is hypothesized to limit survival of aneuploid cancer cells, especially when compared to diploid cells. Based on this concept, proteins and pathways engaged in chromosome segregation are being exploited as candidate therapeutic targets for aneuploid cancers. Agents that induce chromosome missegregation and aneuploidy now exist, including SAC inhibitors, those that alter centrosome fidelity and others that are under active study in preclinical and clinical contexts. This review explores the therapeutic potentials of such new agents, including the benefits of combining them with other antineoplastic agents.
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Affiliation(s)
- Masanori Kawakami
- Department of Thoracic/Head and Neck Medical Oncology, MD Anderson Cancer Center, The University of Texas, Houston, Texas 77030, USA
| | - Xi Liu
- Department of Thoracic/Head and Neck Medical Oncology, MD Anderson Cancer Center, The University of Texas, Houston, Texas 77030, USA
| | - Ethan Dmitrovsky
- Department of Thoracic/Head and Neck Medical Oncology, MD Anderson Cancer Center, The University of Texas, Houston, Texas 77030, USA.,Department of Cancer Biology, MD Anderson Cancer Center, The University of Texas, Houston, Texas 77030, USA.,Current affiliation: Frederick National Laboratory for Cancer Research, Frederick, Maryland 21701, USA;
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34
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Functions and dysfunctions of the mammalian centrosome in health, disorders, disease, and aging. Histochem Cell Biol 2018; 150:303-325. [PMID: 30062583 DOI: 10.1007/s00418-018-1698-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2018] [Indexed: 01/17/2023]
Abstract
Since its discovery well over 100 years ago (Flemming, in Sitzungsber Akad Wissensch Wien 71:81-147, 1875; Van Beneden, in Bull Acad R Belg 42:35-97, 1876) the centrosome is increasingly being recognized as a most impactful organelle for its role not only as primary microtubule organizing center (MTOC) but also as a major communication center for signal transduction pathways and as a center for proteolytic activities. Its significance for cell cycle regulation has been well studied and we now also know that centrosome dysfunctions are implicated in numerous diseases and disorders including cancer, Alstrom syndrome, Bardet-Biedl syndrome, Huntington's disease, reproductive disorders, and several other diseases and disorders. The present review is meant to build on information presented in the previous review (Schatten, in Histochem Cell Biol 129:667-686, 2008) and to highlight functions of the mammalian centrosome in health, and dysfunctions in disorders, disease, and aging with six sections focused on (1) centrosome structure and functions, and new insights into the role of centrosomes in cell cycle progression; (2) the role of centrosomes in tumor initiation and progression; (3) primary cilia, centrosome-primary cilia interactions, and consequences for cell cycle functions in health and disease; (4) transitions from centrosome to non-centrosome functions during cellular polarization; (5) other centrosome dysfunctions associated with the pathogenesis of human disease; and (6) centrosome functions in oocyte germ cells and dysfunctions in reproductive disorders and reproductive aging.
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35
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Abstract
This review by Levine and Holland reviews the sources of mitotic errors in human tumors and their effect on cell fitness and transformation. They discuss new findings that suggest that chromosome missegregation can produce a proinflammatory environment and impact tumor responsiveness to immunotherapy and survey the vulnerabilities exposed by cell division errors and how they can be exploited therapeutically. Mitosis is a delicate event that must be executed with high fidelity to ensure genomic stability. Recent work has provided insight into how mitotic errors shape cancer genomes by driving both numerical and structural alterations in chromosomes that contribute to tumor initiation and progression. Here, we review the sources of mitotic errors in human tumors and their effect on cell fitness and transformation. We discuss new findings that suggest that chromosome missegregation can produce a proinflammatory environment and impact tumor responsiveness to immunotherapy. Finally, we survey the vulnerabilities exposed by cell division errors and how they can be exploited therapeutically.
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Affiliation(s)
- Michelle S Levine
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
| | - Andrew J Holland
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
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36
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Prakash A, Garcia-Moreno JF, Brown JAL, Bourke E. Clinically Applicable Inhibitors Impacting Genome Stability. Molecules 2018; 23:E1166. [PMID: 29757235 PMCID: PMC6100577 DOI: 10.3390/molecules23051166] [Citation(s) in RCA: 14] [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: 03/21/2018] [Revised: 04/27/2018] [Accepted: 05/01/2018] [Indexed: 12/14/2022] Open
Abstract
Advances in technology have facilitated the molecular profiling (genomic and transcriptomic) of tumours, and has led to improved stratification of patients and the individualisation of treatment regimes. To fully realize the potential of truly personalised treatment options, we need targeted therapies that precisely disrupt the compensatory pathways identified by profiling which allow tumours to survive or gain resistance to treatments. Here, we discuss recent advances in novel therapies that impact the genome (chromosomes and chromatin), pathways targeted and the stage of the pathways targeted. The current state of research will be discussed, with a focus on compounds that have advanced into trials (clinical and pre-clinical). We will discuss inhibitors of specific DNA damage responses and other genome stability pathways, including those in development, which are likely to synergistically combine with current therapeutic options. Tumour profiling data, combined with the knowledge of new treatments that affect the regulation of essential tumour signalling pathways, is revealing fundamental insights into cancer progression and resistance mechanisms. This is the forefront of the next evolution of advanced oncology medicine that will ultimately lead to improved survival and may, one day, result in many cancers becoming chronic conditions, rather than fatal diseases.
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Affiliation(s)
- Anu Prakash
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - Juan F Garcia-Moreno
- Discipline of Surgery, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - James A L Brown
- Discipline of Surgery, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
| | - Emer Bourke
- Discipline of Pathology, Lambe Institute for Translational Research, School of Medicine, National University of Ireland Galway, H91 YR71 Galway, Ireland.
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Kawakami M, Mustachio LM, Liu X, Dmitrovsky E. Engaging Anaphase Catastrophe Mechanisms to Eradicate Aneuploid Cancers. Mol Cancer Ther 2018; 17:724-731. [PMID: 29559545 DOI: 10.1158/1535-7163.mct-17-1108] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/16/2018] [Accepted: 02/16/2018] [Indexed: 12/18/2022]
Abstract
Cancer cells often have supernumerary centrosomes that promote genomic instability, a pathognomonic feature of cancer. During mitosis, cancer cells with supernumerary centrosomes undergo bipolar cell division by clustering centrosomes into two poles. When supernumerary centrosome clustering is antagonized, cancer cells are forced to undergo multipolar division leading to death of daughter cells. This proapoptotic pathway, called anaphase catastrophe, preferentially eliminates aneuploid cancer cells and malignant tumors in engineered mouse models. Anaphase catastrophe occurs through the loss or inhibition of the centrosomal protein CP110, a direct cyclin-dependent kinase 1 (CDK1) and CDK2 target. Intriguingly, CP110 is repressed by the KRAS oncoprotein. This sensitizes KRAS-driven lung cancers (an unmet medical need) to respond to CDK2 inhibitors. Anaphase catastrophe-inducing agents like CDK1 and CDK2 antagonists are lethal to cancer cells with supernumerary centrosomes, but can relatively spare normal cells with two centrosomes. This mechanism is proposed to provide a therapeutic window in the cancer clinic following treatment with a CDK1 or CDK2 inhibitor. Taken together, anaphase catastrophe is a clinically tractable mechanism that promotes death of neoplastic tumors with aneuploidy, a hallmark of cancer. Mol Cancer Ther; 17(4); 724-31. ©2018 AACR.
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Affiliation(s)
- Masanori Kawakami
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Lisa Maria Mustachio
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Xi Liu
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ethan Dmitrovsky
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas. .,Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Leidos Biomedical Research, Frederick National Laboratory for Cancer Research, Frederick, Maryland
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38
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Design, Synthesis, and Cytotoxicity Evaluation of Novel Griseofulvin Analogues with Improved Water Solubility. INTERNATIONAL JOURNAL OF MEDICINAL CHEMISTRY 2018; 2017:7386125. [PMID: 29362676 PMCID: PMC5738580 DOI: 10.1155/2017/7386125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/12/2017] [Accepted: 10/23/2017] [Indexed: 12/17/2022]
Abstract
Griseofulvin 1 is an important antifungal agent that has recently received attention due to its antiproliferative activity in mammalian cancer cells. Study of SAR of some griseofulvin analogues has led to the identification of 2'-benzyloxy griseofulvin 3, a more potent analogue which retards tumor growth through inhibition of centrosomal clustering. However, similar to griseofulvin 1, compound 3 exhibited poor aqueous solubility. In order to improve the poor water solubility, six new griseofulvin analogues 5-10 were synthesized and tested for their antiproliferative activity and water solubility. The semicarbazone 9 and aminoguanidine 10 analogues were the most potent against HCT116 and MCF-7 cell lines. In combination studies, compound 9 was found to exert synergistic effects with tamoxifen and 5-fluorouracil against MCF-7 and HCT116 cells proliferation, respectively. The flow cytometric analysis of effect of 9 on cell cycle progression revealed G2/M arrest in HCT116. In addition, compound 9 induced apoptosis in MCF-7 cells. Finally, all synthesized analogues revealed higher water solubility than griseofulvin 1 and benzyloxy analogue 3 in pH 1.2 and 6.8 buffer solutions.
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39
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Das S, Paul S. Exploring the binding sites and binding mechanism for hydrotrope encapsulated griseofulvin drug on γ-tubulin protein. PLoS One 2018; 13:e0190209. [PMID: 29324869 PMCID: PMC5764265 DOI: 10.1371/journal.pone.0190209] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 12/11/2017] [Indexed: 01/10/2023] Open
Abstract
The protein γ-tubulin plays an important role in centrosomal clustering and this makes it an attractive therapeutic target for treating cancers. Griseofulvin, an antifungal drug, has recently been used to inhibit proliferation of various types of cancer cells. It can also affect the microtubule dynamics by targeting the γ-tubulin protein. So far, the binding pockets of γ-tubulin protein are not properly identified and the exact mechanism by which the drug binds to it is an area of intense speculation and research. The aim of the present study is to investigate the binding mechanism and binding affinity of griseofulvin on γ-tubulin protein using classical molecular dynamics simulations. Since the drug griseofulvin is sparingly soluble in water, here we also present a promising approach for formulating and achieving delivery of hydrophobic griseofulvin drug via hydrotrope sodium cumene sulfonate (SCS) cluster. We observe that the binding pockets of γ-tubulin protein are mainly formed by the H8, H9 helices and S7, S8, S14 strands and the hydrophobic interactions between the drug and γ-tubulin protein drive the binding process. The release of the drug griseofulvin from the SCS cluster is confirmed by the coordination number analysis. We also find hydrotrope-induced alteration of the binding sites of γ-tubulin protein and the weakening of the drug-protein interactions.
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Affiliation(s)
- Shubhadip Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Sandip Paul
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, India
- * E-mail:
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40
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The Impact of Centrosome Pathologies on Prostate Cancer Development and Progression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1095:67-81. [DOI: 10.1007/978-3-319-95693-0_4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Alasmary FAS, Awaad AS, Kamal M, Alqasoumi SI, Zain ME. Antitumor activity of extract and isolated compounds from Drechslera rostrata and Eurotium tonophilum. Saudi Pharm J 2017; 26:279-285. [PMID: 30166929 PMCID: PMC6111196 DOI: 10.1016/j.jsps.2017.11.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 11/26/2017] [Indexed: 10/25/2022] Open
Abstract
Total extracts of Drechslera rostrata and Eurotium tonophilum in addition of two isolated compounds from their cultures [di-2-ethylhexyl phthalate (H1) and 1,8-Dihydroxy-3-methoxy-6-methyl-anthraquinone (H2)] were tested for their antitumor activity using four human carcinoma cell lines. Antitumor activity was assessed by performing MTT assay to check the % cell viability. The % viability of HCT-116 (colon carcinoma), HeLa (cervical carcinoma), HEp-2 (larynx carcinoma) and HepG-2 (hepatocellular carcinoma) cells decreased after treatment with Drechslera rostrata and Eurotium tonophilum extracts, these effects were ranged from 059.0 ± 0.1 to 217.0 ± 0.3 µg/ml on all types of cancer cells. The best activity was recorded for Eurotium tonpholium extract (054.5 ± 0.3, 059.0 ± 0.5 and 059.0 ± 0.1 for HEp-2, Hela, and HepG-2 respectively). The isolated compounds (H1&H2) were found to be responsible about the activities because they recorded the lowest IC50 on tested cell lines with range of 9.5-20.3 μg/ml. Vinblastine sulphate was used as a reference standard and showed in vitro anticancer activity. This study demonstrated that all extracts and isolated compounds have antitumor activity against HCT-116, HeLa, HEp-2 and HepG-2 cells.
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Affiliation(s)
- Fatmah A S Alasmary
- Chemistry Department, College of Science, King Saud University, Riyadh 11362, Saudi Arabia
| | - Amani S Awaad
- Pharmacognosy Department, College of Pharmacy, Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mehnaz Kamal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Saleh I Alqasoumi
- Pharmacognosy Department, College of Pharmacy, King Saud University, Saudi Arabia
| | - Mohamed E Zain
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
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42
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Rhys AD, Monteiro P, Smith C, Vaghela M, Arnandis T, Kato T, Leitinger B, Sahai E, McAinsh A, Charras G, Godinho SA. Loss of E-cadherin provides tolerance to centrosome amplification in epithelial cancer cells. J Cell Biol 2017; 217:195-209. [PMID: 29133484 PMCID: PMC5748979 DOI: 10.1083/jcb.201704102] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 08/22/2017] [Accepted: 10/10/2017] [Indexed: 12/18/2022] Open
Abstract
Centrosome clustering is essential for the survival of cells containing supernumerary centrosomes. Rhys et al. show that centrosome clustering is a two-step mechanism in which increased cortical contractility, driven by loss of E-cadherin, restricts centrosome movement, facilitating HSET-mediated clustering. Centrosome amplification is a common feature of human tumors. To survive, cancer cells cluster extra centrosomes during mitosis, avoiding the detrimental effects of multipolar divisions. However, it is unclear whether clustering requires adaptation or is inherent to all cells. Here, we show that cells have varied abilities to cluster extra centrosomes. Epithelial cells are innately inefficient at clustering even in the presence of HSET/KIFC1, which is essential but not sufficient to promote clustering. The presence of E-cadherin decreases cortical contractility during mitosis through a signaling cascade leading to multipolar divisions, and its knockout promotes clustering and survival of cells with multiple centrosomes. Cortical contractility restricts centrosome movement at a minimal distance required for HSET/KIFC1 to exert its function, highlighting a biphasic model for centrosome clustering. In breast cancer cell lines, increased levels of centrosome amplification are accompanied by efficient clustering and loss of E-cadherin, indicating that this is an important adaptation mechanism to centrosome amplification in cancer.
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Affiliation(s)
- Alexander D Rhys
- Barts Cancer Institute-CRUK Centre, Queen Mary University of London, John Vane Science Centre, London, England, UK
| | - Pedro Monteiro
- Barts Cancer Institute-CRUK Centre, Queen Mary University of London, John Vane Science Centre, London, England, UK
| | - Christopher Smith
- Centre for Mechanochemical Cell Biology, Division of Biomedical Science, Warwick Medical School, University of Warwick, Coventry, England, UK
| | - Malti Vaghela
- London Centre for Nanotechnology, University College London, London, England, UK
| | - Teresa Arnandis
- Barts Cancer Institute-CRUK Centre, Queen Mary University of London, John Vane Science Centre, London, England, UK
| | - Takuya Kato
- Tumour Cell Biology Laboratory, Francis Crick Institute, London, England, UK
| | - Birgit Leitinger
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College London, London, England, UK
| | - Erik Sahai
- Tumour Cell Biology Laboratory, Francis Crick Institute, London, England, UK
| | - Andrew McAinsh
- Centre for Mechanochemical Cell Biology, Division of Biomedical Science, Warwick Medical School, University of Warwick, Coventry, England, UK
| | - Guillaume Charras
- London Centre for Nanotechnology, University College London, London, England, UK
| | - Susana A Godinho
- Barts Cancer Institute-CRUK Centre, Queen Mary University of London, John Vane Science Centre, London, England, UK
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43
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Paguigan ND, Al-Huniti MH, Raja HA, Czarnecki A, Burdette JE, González-Medina M, Medina-Franco JL, Polyak SJ, Pearce CJ, Croatt MP, Oberlies NH. Chemoselective fluorination and chemoinformatic analysis of griseofulvin: Natural vs fluorinated fungal metabolites. Bioorg Med Chem 2017; 25:5238-5246. [PMID: 28802670 PMCID: PMC5632135 DOI: 10.1016/j.bmc.2017.07.041] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 07/19/2017] [Accepted: 07/24/2017] [Indexed: 02/07/2023]
Abstract
Griseofulvin is a fungal metabolite and antifungal drug used for the treatment of dermatophytosis in both humans and animals. Recently, griseofulvin and its analogues have attracted renewed attention due to reports of their potential anticancer effects. In this study griseofulvin (1) and related analogues (2-6, with 4 being new to literature) were isolated from Xylaria cubensis. Six fluorinated analogues (7-12) were synthesized, each in a single step using the isolated natural products and Selectflour, so as to examine the effects of fluorine incorporation on the bioactivities of this structural class. The isolated and synthesized compounds were screened for activity against a panel of cancer cell lines (MDA-MB-435, MDA-MB-231, OVCAR3, and Huh7.5.1) and for antifungal activity against Microsporum gypseum. A comparison of the chemical space occupied by the natural and fluorinated analogues was carried out by using principal component analysis, documenting that the isolated and fluorinated analogues occupy complementary regions of chemical space. However, the most active compounds, including two fluorinated derivatives, were centered around the chemical space that was occupied by the parent compound, griseofulvin, suggesting that modifications must preserve certain attributes of griseofulvin to conserve its activity.
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Affiliation(s)
- Noemi D Paguigan
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, USA
| | - Mohammed H Al-Huniti
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, USA
| | - Huzefa A Raja
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, USA
| | - Austin Czarnecki
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Joanna E Burdette
- Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Mariana González-Medina
- Department of Pharmacy, School of Chemistry, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Mexico City 04510, Mexico
| | - José L Medina-Franco
- Department of Pharmacy, School of Chemistry, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Mexico City 04510, Mexico
| | - Stephen J Polyak
- Department of Laboratory Medicine, University of Washington, Seattle, WA 98195, USA; Department of Global Health, University of Washington, Seattle, WA 98104, USA; Department of Microbiology, University of Washington, Seattle, WA 98195, USA
| | - Cedric J Pearce
- Mycosynthetix Inc., 505 Meadowlands Drive, Suite 103, Hillsborough, NC 27278, USA
| | - Mitchell P Croatt
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, USA
| | - Nicholas H Oberlies
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402, USA.
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44
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Sampson J, O'Regan L, Dyer MJS, Bayliss R, Fry AM. Hsp72 and Nek6 Cooperate to Cluster Amplified Centrosomes in Cancer Cells. Cancer Res 2017; 77:4785-4796. [PMID: 28720575 DOI: 10.1158/0008-5472.can-16-3233] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 04/28/2017] [Accepted: 07/12/2017] [Indexed: 11/16/2022]
Abstract
Cancer cells frequently possess extra amplified centrosomes clustered into two poles whose pseudo-bipolar spindles exhibit reduced fidelity of chromosome segregation and promote genetic instability. Inhibition of centrosome clustering triggers multipolar spindle formation and mitotic catastrophe, offering an attractive therapeutic approach to selectively kill cells with amplified centrosomes. However, mechanisms of centrosome clustering remain poorly understood. Here, we identify a new pathway that acts through NIMA-related kinase 6 (Nek6) and Hsp72 to promote centrosome clustering. Nek6, as well as its upstream activators polo-like kinase 1 and Aurora-A, targeted Hsp72 to the poles of cells with amplified centrosomes. Unlike some centrosome declustering agents, blocking Hsp72 or Nek6 function did not induce formation of acentrosomal poles, meaning that multipolar spindles were observable only in cells with amplified centrosomes. Inhibition of Hsp72 in acute lymphoblastic leukemia cells resulted in increased multipolar spindle frequency that correlated with centrosome amplification, while loss of Hsp72 or Nek6 function in noncancer-derived cells disturbs neither spindle formation nor mitotic progression. Hence, the Nek6-Hsp72 module represents a novel actionable pathway for selective targeting of cancer cells with amplified centrosomes. Cancer Res; 77(18); 4785-96. ©2017 AACR.
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Affiliation(s)
- Josephina Sampson
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom
| | - Laura O'Regan
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom
| | - Martin J S Dyer
- Ernest and Helen Scott Haematological Research Institute, University of Leicester, Leicester, United Kingdom
| | - Richard Bayliss
- Astbury Centre for Structural Molecular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Andrew M Fry
- Department of Molecular and Cell Biology, University of Leicester, Leicester, United Kingdom.
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45
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Schecher S, Walter B, Falkenstein M, Macher-Goeppinger S, Stenzel P, Krümpelmann K, Hadaschik B, Perner S, Kristiansen G, Duensing S, Roth W, Tagscherer KE. Cyclin K dependent regulation of Aurora B affects apoptosis and proliferation by induction of mitotic catastrophe in prostate cancer. Int J Cancer 2017; 141:1643-1653. [PMID: 28670704 DOI: 10.1002/ijc.30864] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 05/30/2017] [Accepted: 06/12/2017] [Indexed: 12/11/2022]
Abstract
Cyclin K plays a critical role in transcriptional regulation as well as cell development. However, the role of Cyclin K in prostate cancer is unknown. Here, we describe the impact of Cyclin K on prostate cancer cells and examine the clinical relevance of Cyclin K as a biomarker for patients with prostate cancer. We show that Cyclin K depletion in prostate cancer cells induces apoptosis and inhibits proliferation accompanied by an accumulation of cells in the G2/M phase. Moreover, knockdown of Cyclin K causes mitotic catastrophe displayed by multinucleation and spindle multipolarity. Furthermore, we demonstrate a Cyclin K dependent regulation of the mitotic kinase Aurora B and provide evidence for an Aurora B dependent induction of mitotic catastrophe. In addition, we show that Cyclin K expression is associated with poor biochemical recurrence-free survival in patients with prostate cancer treated with an adjuvant therapy. In conclusion, targeting Cyclin K represents a novel, promising anti-cancer strategy to induce cell cycle arrest and apoptotic cell death through induction of mitotic catastrophe in prostate cancer cells. Moreover, our results indicate that Cyclin K is a putative predictive biomarker for clinical outcome and therapy response for patients with prostate cancer.
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Affiliation(s)
- Sabrina Schecher
- Molecular Tumor-Pathology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Institute of Pathology, University Medical Center Mainz, Mainz, Germany
| | - Britta Walter
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Michael Falkenstein
- Molecular Urooncology, Department of Urology, University of Heidelberg, Heidelberg, Germany
| | - Stephan Macher-Goeppinger
- Molecular Tumor-Pathology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Institute of Pathology, University Medical Center Mainz, Mainz, Germany
| | - Philipp Stenzel
- Institute of Pathology, University Medical Center Mainz, Mainz, Germany
| | | | - Boris Hadaschik
- Department of Urology, Essen University Hospital, Essen, Germany.,Department of Urology, University of Heidelberg, Heidelberg, Germany
| | - Sven Perner
- Pathology of the University Medical Center Schleswig-Holstein, Campus Luebeck and the Research Center Borstel, Leibniz Center for Medicine and Biosciences, 23538 Luebeck and 23845 Borstel, Germany
| | | | - Stefan Duensing
- Molecular Urooncology, Department of Urology, University of Heidelberg, Heidelberg, Germany
| | - Wilfried Roth
- Molecular Tumor-Pathology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Institute of Pathology, University Medical Center Mainz, Mainz, Germany
| | - Katrin E Tagscherer
- Molecular Tumor-Pathology, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Institute of Pathology, University of Heidelberg, Heidelberg, Germany.,Institute of Pathology, University Medical Center Mainz, Mainz, Germany
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46
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Liu C, Xu Y, Niu S, Wei L, Liu Y, Wang Y, Zhu J, Fu J, Yuan J. Functional Ionic Liquids Promoted Double Michael Reaction of Benzofuran-3-one or 1-Indone and Symmetric Dienones: Construction of Spiro[benzofuran-2,1’-cyclohexane]-3-one or Spiro[cyclohexane-1,2’-indene]-1’,4(3’H
)-dione Derivatives. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201600796] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chunhui Liu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Yalun Xu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Songyang Niu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Liquan Wei
- High School Affiliated to Henan University; Kaifeng Henan 475004 China
| | - Yong Liu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Yanbo Wang
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Junyan Zhu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Jiya Fu
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
| | - Jinfang Yuan
- Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 China
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Abstract
Oxidative cyclizations are important transformations that occur widely during natural product biosynthesis. The transformations from acyclic precursors to cyclized products can afford morphed scaffolds, structural rigidity, and biological activities. Some of the most dramatic structural alterations in natural product biosynthesis occur through oxidative cyclization. In this Review, we examine the different strategies used by nature to create new intra(inter)molecular bonds via redox chemistry. This Review will cover both oxidation- and reduction-enabled cyclization mechanisms, with an emphasis on the former. Radical cyclizations catalyzed by P450, nonheme iron, α-KG-dependent oxygenases, and radical SAM enzymes are discussed to illustrate the use of molecular oxygen and S-adenosylmethionine to forge new bonds at unactivated sites via one-electron manifolds. Nonradical cyclizations catalyzed by flavin-dependent monooxygenases and NAD(P)H-dependent reductases are covered to show the use of two-electron manifolds in initiating cyclization reactions. The oxidative installations of epoxides and halogens into acyclic scaffolds to drive subsequent cyclizations are separately discussed as examples of "disappearing" reactive handles. Last, oxidative rearrangement of rings systems, including contractions and expansions, will be covered.
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Affiliation(s)
- Man-Cheng Tang
- Department of Chemical and Biomolecular Engineering, Department of Chemistry and Biochemistry, University of California, Los Angeles, 420 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Yi Zou
- Department of Chemical and Biomolecular Engineering, Department of Chemistry and Biochemistry, University of California, Los Angeles, 420 Westwood Plaza, Los Angeles, CA 90095, USA
| | - Kenji Watanabe
- Department of Pharmaceutical Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
| | - Christopher T. Walsh
- Stanford University Chemistry, Engineering, and Medicine for Human Health (ChEM-H), Stanford University, 443 Via Ortega, Stanford, CA 94305
| | - Yi Tang
- Department of Chemical and Biomolecular Engineering, Department of Chemistry and Biochemistry, University of California, Los Angeles, 420 Westwood Plaza, Los Angeles, CA 90095, USA
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48
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Petersen AB, Andersen NS, Konotop G, Hanafiah NHM, Raab MS, Krämer A, Clausen MH. Synthesis and formulation studies of griseofulvin analogues with improved solubility and metabolic stability. Eur J Med Chem 2017; 130:240-247. [PMID: 28258034 DOI: 10.1016/j.ejmech.2017.02.055] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/20/2017] [Accepted: 02/21/2017] [Indexed: 11/25/2022]
Abstract
Griseofulvin (1) is an important antifungal agent that has recently received attention due to its antiproliferative activity in mammalian cancer cells. Comprehensive SAR studies have led to the identification of 2'-benzyloxy griseofulvin 2, a more potent analogue with low micromolar anticancer potency in vitro. Analogue 2 was also shown to retard tumor growth through inhibition of centrosomal clustering in murine xenograft models of colon cancer and multiple myeloma. However, similar to griseofulvin, compound 2 exhibited poor metabolic stability and aqueous solubility. In order to improve the poor pharmacokinetic properties, 11 griseofulvin analogues were synthesized and evaluated for biological activity and physiological stabilities including SGF, plasma, and metabolic stability. Finally, the most promising compounds were investigated in respect to thermodynamic solubility and formulation studies. The 2'-benzylamine analogue 10 proved to be the most promising compound with low μM in vitro anticancer potency, a 200-fold increase in PBS solubility over compound 2, and with improved metabolic stability. Furthermore, this analogue proved compatible with formulations suitable for both oral and intravenous administration. Finally, 2'-benzylamine analogue 10 was confirmed to induce G2/M cell cycle arrest in vitro.
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Affiliation(s)
- Asger B Petersen
- Center for Nanomedicine and Theranostics & Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kgs, Lyngby, Denmark
| | - Nikolaj S Andersen
- Center for Nanomedicine and Theranostics & Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kgs, Lyngby, Denmark
| | - Gleb Konotop
- Max-Eder Research Group "Experimental Therapies for Hematologic Malignancies", German Cancer Research Center (DKFZ) and Department of Internal Medicine V, University of Heidelberg, 69120 Heidelberg, Germany
| | - Nur Hafzan Md Hanafiah
- Max-Eder Research Group "Experimental Therapies for Hematologic Malignancies", German Cancer Research Center (DKFZ) and Department of Internal Medicine V, University of Heidelberg, 69120 Heidelberg, Germany; Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 USM, Malaysia
| | - Marc S Raab
- Max-Eder Research Group "Experimental Therapies for Hematologic Malignancies", German Cancer Research Center (DKFZ) and Department of Internal Medicine V, University of Heidelberg, 69120 Heidelberg, Germany
| | - Alwin Krämer
- Clinical Cooperation Unit Molecular Hematology/Oncology, German Cancer Research Center and Department of Internal Medicine V, University of Heidelberg, 69120 Heidelberg, Germany
| | - Mads H Clausen
- Center for Nanomedicine and Theranostics & Department of Chemistry, Technical University of Denmark, Kemitorvet 207, DK-2800 Kgs, Lyngby, Denmark.
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49
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Prognostic value of CA20, a score based on centrosome amplification-associated genes, in breast tumors. Sci Rep 2017; 7:262. [PMID: 28325915 PMCID: PMC5428291 DOI: 10.1038/s41598-017-00363-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 02/20/2017] [Indexed: 11/08/2022] Open
Abstract
Centrosome amplification (CA) is a hallmark of cancer, observable in ≥75% of breast tumors. CA drives aggressive cellular phenotypes such as chromosomal instability (CIN) and invasiveness. Thus, assessment of CA may offer insights into the prognosis of breast cancer and identify patients who might benefit from centrosome declustering agents. However, it remains unclear whether CA is correlated with clinical outcomes after adjusting for confounding factors. To gain insights, we developed a signature, “CA20”, comprising centrosome structural genes and genes whose dysregulation is implicated in inducing CA. We found that CA20 was a significant independent predictor of worse survival in two large independent datasets after adjusting for potentially confounding factors. In multivariable analyses including both CA20 and CIN25 (a gene expression-based score that correlates with aneuploidy and has prognostic value in many types of cancer), only CA20 was significant, suggesting CA20 captures the risk-predictive information of CIN25 and offers information beyond it. CA20 correlated strongly with CIN25, so a high CA20 score may reflect tumors with high CIN and potentially other aggressive features that may require more aggressive treatment. Finally, we identified processes and pathways differing between CA20-low and high groups that may be valuable therapeutic targets.
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50
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Dividing with Extra Centrosomes: A Double Edged Sword for Cancer Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1002:47-67. [DOI: 10.1007/978-3-319-57127-0_3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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