1
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Zhang X, Wei C, Liang H, Han L. Polo-Like Kinase 4's Critical Role in Cancer Development and Strategies for Plk4-Targeted Therapy. Front Oncol 2021; 11:587554. [PMID: 33777739 PMCID: PMC7994899 DOI: 10.3389/fonc.2021.587554] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 01/22/2021] [Indexed: 12/12/2022] Open
Abstract
Polo-like kinases (Plks) are critical regulatory molecules during the cell cycle process. This family has five members: Plk1, 2, 3, 4, and 5. Plk4 has been identified as a master regulator of centriole replication, and its aberrant expression is closely associated with cancer development. In this review, we depict the DNA, mRNA, and protein structure of Plk4, and the regulation of Plk4 at a molecular level. Then we list the downstream targets of Plk4 and the hallmarks of cancer associated with these targets. The role of Plk4 in different cancers is also summarized. Finally, we review the inhibitors that target Plk4 in the hope of discovering effective anticancer drugs. From authors' perspective, Plk4 might represent a valuable tumor biomarker and critical target for cancer diagnosis and therapy.
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Affiliation(s)
| | | | | | - Lei Han
- Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China
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2
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Raab CA, Raab M, Becker S, Strebhardt K. Non-mitotic functions of polo-like kinases in cancer cells. Biochim Biophys Acta Rev Cancer 2021; 1875:188467. [PMID: 33171265 DOI: 10.1016/j.bbcan.2020.188467] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/03/2020] [Accepted: 11/03/2020] [Indexed: 12/12/2022]
Abstract
Inhibitors of mitotic protein kinases are currently being developed as non-neurotoxic alternatives of microtubule-targeting agents (taxanes, vinca alkaloids) which provide a substantial survival benefit for patients afflicted with different types of solid tumors. Among the mitotic kinases, the cyclin-dependent kinases, the Aurora kinases, the kinesin spindle protein and Polo-like kinases (PLKs) have emerged as attractive targets of cancer therapeutics. The functions of mammalian PLK1-5 are traditionally linked to the regulation of the cell cycle and to the stress response. Especially the key role of PLK1 and PLK4 in cellular growth and proliferation, their overexpression in multiple types of human cancer and their druggability, make them appealing targets for cancer therapy. Inhibitors for PLK1 and PLK4 are currently being tested in multiple cancer trials. The clinical success of microtubule-targeting agents is attributed not solely to the induction of a mitotic arrest in cancer cells, but also to non-mitotic effects like targeting intracellular trafficking on microtubules. This raises the question whether new cancer targets like PLK1 and PLK4 regulate critical non-mitotic functions in tumor cells. In this article we summarize the important roles of PLK1-5 for the regulation of non-mitotic signaling. Due to these functions it is conceivable that inhibitors for PLK1 or PLK4 can target interphase cells, which underscores their attractive potential as cancer drug targets. Moreover, we also describe the contribution of the tumor-suppressors PLK2, PLK3 and PLK5 to cancer cell signaling outside of mitosis. These observations highlight the urgent need to develop highly specific ATP-competitive inhibitors for PLK4 and for PLK1 like the 3rd generation PLK-inhibitor Onvansertib to prevent the inhibition of tumor-suppressor PLKs in- and outside of mitosis. The remarkable feature of PLKs to encompass a unique druggable domain, the polo-box-domain (PBD) that can be found only in PLKs offers the opportunity for the development of inhibitors that target PLKs exclusively. Beyond the development of mono-specific ATP-competitive PLK inhibitors, the PBD as drug target will support the design of new drugs that eradicate cancer cells based on the mitotic and non-mitotic function of PLK1 and PLK4.
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Affiliation(s)
| | - Monika Raab
- Department of Gynecology, Goethe-University, Frankfurt, Germany
| | - Sven Becker
- Department of Gynecology, Goethe-University, Frankfurt, Germany
| | - Klaus Strebhardt
- Department of Gynecology, Goethe-University, Frankfurt, Germany; German Cancer Consortium (DKTK), German Cancer Research Center, Partner Site Frankfurt am Main, Frankfurt, Germany.
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3
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Suri A, Bailey AW, Tavares MT, Gunosewoyo H, Dyer CP, Grupenmacher AT, Piper DR, Horton RA, Tomita T, Kozikowski AP, Roy SM, Sredni ST. Evaluation of Protein Kinase Inhibitors with PLK4 Cross-Over Potential in a Pre-Clinical Model of Cancer. Int J Mol Sci 2019; 20:ijms20092112. [PMID: 31035676 PMCID: PMC6540285 DOI: 10.3390/ijms20092112] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 04/26/2019] [Accepted: 04/26/2019] [Indexed: 12/16/2022] Open
Abstract
Polo-like kinase 4 (PLK4) is a cell cycle-regulated protein kinase (PK) recruited at the centrosome in dividing cells. Its overexpression triggers centrosome amplification, which is associated with genetic instability and carcinogenesis. In previous work, we established that PLK4 is overexpressed in pediatric embryonal brain tumors (EBT). We also demonstrated that PLK4 inhibition exerted a cytostatic effect in EBT cells. Here, we examined an array of PK inhibitors (CFI-400945, CFI-400437, centrinone, centrinone-B, R-1530, axitinib, KW-2449, and alisertib) for their potential crossover to PLK4 by comparative structural docking and activity inhibition in multiple established embryonal tumor cell lines (MON, BT-12, BT-16, DAOY, D283). Our analyses demonstrated that: (1) CFI-400437 had the greatest impact overall, but similar to CFI-400945, it is not optimal for brain exposure. Also, their phenotypic anti-cancer impact may, in part, be a consequence of the inhibition of Aurora kinases (AURKs). (2) Centrinone and centrinone B are the most selective PLK4 inhibitors but they are the least likely to penetrate the brain. (3) KW-2449, R-1530 and axitinib are the ones predicted to have moderate-to-good brain penetration. In conclusion, a new selective PLK4 inhibitor with favorable physiochemical properties for optimal brain exposure can be beneficial for the treatment of EBT.
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Affiliation(s)
- Amreena Suri
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
| | - Anders W Bailey
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
| | - Maurício T Tavares
- Department of Pharmacy, University of São Paulo, São Paulo, SP 05508-900, Brazil.
| | - Hendra Gunosewoyo
- School of Pharmacy and Biomedical Sciences, Curtin University, Bentley, Perth, WA 6102, Australia.
| | - Connor P Dyer
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
| | - Alex T Grupenmacher
- Department of Ophtalmology, Universidade Federal de São Paulo, São Paulo, SP 04023-062, Brazil.
| | - David R Piper
- Thermo Fisher Scientific, Research and Development, Biosciences Division, Carlsbad, CA 92008, USA.
| | - Robert A Horton
- Thermo Fisher Scientific, Research and Development, Biosciences Division, Carlsbad, CA 92008, USA.
| | - Tadanori Tomita
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
- Department of Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
| | | | - Saktimayee M Roy
- Department of Pharmacology, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
| | - Simone T Sredni
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
- Department of Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
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4
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Pallavicini G, Berto GE, Di Cunto F. Precision Revisited: Targeting Microcephaly Kinases in Brain Tumors. Int J Mol Sci 2019; 20:ijms20092098. [PMID: 31035417 PMCID: PMC6539168 DOI: 10.3390/ijms20092098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/24/2019] [Accepted: 04/26/2019] [Indexed: 12/18/2022] Open
Abstract
Glioblastoma multiforme and medulloblastoma are the most frequent high-grade brain tumors in adults and children, respectively. Standard therapies for these cancers are mainly based on surgical resection, radiotherapy, and chemotherapy. However, intrinsic or acquired resistance to treatment occurs almost invariably in the first case, and side effects are unacceptable in the second. Therefore, the development of new, effective drugs is a very important unmet medical need. A critical requirement for developing such agents is to identify druggable targets required for the proliferation or survival of tumor cells, but not of other cell types. Under this perspective, genes mutated in congenital microcephaly represent interesting candidates. Congenital microcephaly comprises a heterogeneous group of disorders in which brain volume is reduced, in the absence or presence of variable syndromic features. Genetic studies have clarified that most microcephaly genes encode ubiquitous proteins involved in mitosis and in maintenance of genomic stability, but the effects of their inactivation are particularly strong in neural progenitors. It is therefore conceivable that the inhibition of the function of these genes may specifically affect the proliferation and survival of brain tumor cells. Microcephaly genes encode for a few kinases, including CITK, PLK4, AKT3, DYRK1A, and TRIO. In this review, we summarize the evidence indicating that the inhibition of these molecules could exert beneficial effects on different aspects of brain cancer treatment.
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Affiliation(s)
- Gianmarco Pallavicini
- Neuroscience Institute Cavalieri Ottolenghi, 10126 Turin, Italy.
- Department of Neurosciences, University of Turin, 10126 Turin, Italy.
- Department of Molecular Biotechnology and Health Sciences, University of Turin, 10126 Turin, Italy.
| | - Gaia E Berto
- Neuroscience Institute Cavalieri Ottolenghi, 10126 Turin, Italy.
- Department of Neurosciences, University of Turin, 10126 Turin, Italy.
| | - Ferdinando Di Cunto
- Neuroscience Institute Cavalieri Ottolenghi, 10126 Turin, Italy.
- Department of Neurosciences, University of Turin, 10126 Turin, Italy.
- Neuroscience Institute of Turin (NIT), 10126 Turin, Italy.
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5
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Bailey AW, Suri A, Chou PM, Pundy T, Gadd S, Raimondi SL, Tomita T, Sredni ST. Polo-Like Kinase 4 (PLK4) Is Overexpressed in Central Nervous System Neuroblastoma (CNS-NB). Bioengineering (Basel) 2018; 5:E96. [PMID: 30400339 PMCID: PMC6315664 DOI: 10.3390/bioengineering5040096] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/19/2018] [Accepted: 11/01/2018] [Indexed: 12/20/2022] Open
Abstract
Neuroblastoma (NB) is the most common extracranial solid tumor in pediatrics, with rare occurrences of primary and metastatic tumors in the central nervous system (CNS). We previously reported the overexpression of the polo-like kinase 4 (PLK4) in embryonal brain tumors. PLK4 has also been found to be overexpressed in a variety of peripheral adult tumors and recently in peripheral NB. Here, we investigated PLK4 expression in NBs of the CNS (CNS-NB) and validated our findings by performing a multi-platform transcriptomic meta-analysis using publicly available data. We evaluated the PLK4 expression by quantitative real-time PCR (qRT-PCR) on the CNS-NB samples and compared the relative expression levels among other embryonal and non-embryonal brain tumors. The relative PLK4 expression levels of the NB samples were found to be significantly higher than the non-embryonal brain tumors (p-value < 0.0001 in both our samples and in public databases). Here, we expand upon our previous work that detected PLK4 overexpression in pediatric embryonal tumors to include CNS-NB. As we previously reported, inhibiting PLK4 in embryonal tumors led to decreased tumor cell proliferation, survival, invasion and migration in vitro and tumor growth in vivo, and therefore PLK4 may be a potential new therapeutic approach to CNS-NB.
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Affiliation(s)
- Anders W Bailey
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
| | - Amreena Suri
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
| | - Pauline M Chou
- Department of Pathology, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Department of Pediatrics, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
| | - Tatiana Pundy
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
| | - Samantha Gadd
- Department of Pathology, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Department of Pediatrics, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
| | | | - Tadanori Tomita
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Department of Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
| | - Simone Treiger Sredni
- Division of Pediatric Neurosurgery, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA.
- Department of Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
- Cancer Biology and Epigenomics Program, Stanley Manne Children's Research Institute, Chicago, IL 60614, USA.
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6
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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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7
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Kawakami M, Mustachio LM, Zheng L, Chen Y, Rodriguez-Canales J, Mino B, Kurie JM, Roszik J, Villalobos PA, Thu KL, Silvester J, Cescon DW, Wistuba II, Mak TW, Liu X, Dmitrovsky E. Polo-like kinase 4 inhibition produces polyploidy and apoptotic death of lung cancers. Proc Natl Acad Sci U S A 2018; 115:1913-1918. [PMID: 29434041 PMCID: PMC5828621 DOI: 10.1073/pnas.1719760115] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Polo-like kinase 4 (PLK4) is a serine/threonine kinase regulating centriole duplication. CFI-400945 is a highly selective PLK4 inhibitor that deregulates centriole duplication, causing mitotic defects and death of aneuploid cancers. Prior work was substantially extended by showing CFI-400945 causes polyploidy, growth inhibition, and apoptotic death of murine and human lung cancer cells, despite expression of mutated KRAS or p53. Analysis of DNA content by propidium iodide (PI) staining revealed cells with >4N DNA content (polyploidy) markedly increased after CFI-400945 treatment. Centrosome numbers and mitotic spindles were scored. CFI-400945 treatment produced supernumerary centrosomes and mitotic defects in lung cancer cells. In vivo antineoplastic activity of CFI-400945 was established in mice with syngeneic lung cancer xenografts. Lung tumor growth was significantly inhibited at well-tolerated dosages. Phosphohistone H3 staining of resected lung cancers following CFI-400945 treatment confirmed the presence of aberrant mitosis. PLK4 expression profiles in human lung cancers were explored using The Cancer Genome Atlas (TCGA) and RNA in situ hybridization (RNA ISH) of microarrays containing normal and malignant lung tissues. PLK4 expression was significantly higher in the malignant versus normal lung and conferred an unfavorable survival (P < 0.05). Intriguingly, cyclin dependent kinase 2 (CDK2) antagonism cooperated with PLK4 inhibition. Taken together, PLK4 inhibition alone or as part of a combination regimen is a promising way to combat lung cancer.
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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, TX 77030
| | - Lisa Maria Mustachio
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Lin Zheng
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Yulong Chen
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Jaime Rodriguez-Canales
- Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Barbara Mino
- Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Jonathan M Kurie
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Jason Roszik
- Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
- Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Pamela Andrea Villalobos
- Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Kelsie L Thu
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - Jennifer Silvester
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
| | - David W Cescon
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada
- Department of Medicine, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Ignacio I Wistuba
- Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Tak W Mak
- The Campbell Family Institute for Breast Cancer Research, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada;
- Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
| | - Xi Liu
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Ethan Dmitrovsky
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
- Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030
- Leidos Biomedical Research, Frederick National Laboratory for Cancer Research, Frederick, MD 21701
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8
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Patwardhan D, Mani S, Passemard S, Gressens P, El Ghouzzi V. STIL balancing primary microcephaly and cancer. Cell Death Dis 2018; 9:65. [PMID: 29352115 PMCID: PMC5833631 DOI: 10.1038/s41419-017-0101-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/04/2017] [Accepted: 10/23/2017] [Indexed: 11/25/2022]
Abstract
Cell division and differentiation are two fundamental physiological processes that need to be tightly balanced to achieve harmonious development of an organ or a tissue without jeopardizing its homeostasis. The role played by the centriolar protein STIL is highly illustrative of this balance at different stages of life as deregulation of the human STIL gene expression has been associated with either insufficient brain development (primary microcephaly) or cancer, two conditions resulting from perturbations in cell cycle and chromosomal segregation. This review describes the recent advances on STIL functions in the control of centriole duplication and mitotic spindle integrity, and discusses how pathological perturbations of its finely tuned expression result in chromosomal instability in both embryonic and postnatal situations, highlighting the concept that common key factors are involved in developmental steps and tissue homeostasis.
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Affiliation(s)
- Dhruti Patwardhan
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
- Centre for Neuroscience, IISC Bangalore, India
| | - Shyamala Mani
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
- Curadev Pharma, B 87, Sector 83, Noida, UP, 201305,, India
| | - Sandrine Passemard
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
- AP HP, Hôpital Robert Debré, Service de Génétique Clinique, Paris, France
| | - Pierre Gressens
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
- Centre for the Developing Brain, Division of Imaging Sciences and Biomedical Engineering, King's College London, King's Health Partners, St. Thomas' Hospital, London, UK
| | - Vincent El Ghouzzi
- PROTECT, INSERM, Université Paris Diderot, Sorbonne Paris Cité, Paris, France.
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9
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Denu RA, Shabbir M, Nihal M, Singh CK, Longley BJ, Burkard ME, Ahmad N. Centriole Overduplication is the Predominant Mechanism Leading to Centrosome Amplification in Melanoma. Mol Cancer Res 2018; 16:517-527. [PMID: 29330283 DOI: 10.1158/1541-7786.mcr-17-0197] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 10/04/2017] [Accepted: 11/29/2017] [Indexed: 11/16/2022]
Abstract
Centrosome amplification (CA) is common in cancer and can arise by centriole overduplication or by cell doubling events, including the failure of cell division and cell-cell fusion. To assess the relative contributions of these two mechanisms, the number of centrosomes with mature/mother centrioles was examined by immunofluorescence in a tissue microarray of human melanomas and benign nevi (n = 79 and 17, respectively). The centrosomal protein 170 (CEP170) was used to identify centrosomes with mature centrioles; this is expected to be present in most centrosomes with cell doubling, but on fewer centrosomes with overduplication. Using this method, it was determined that the majority of CA in melanoma can be attributed to centriole overduplication rather than cell doubling events. As Polo-like kinase 4 (PLK4) is the master regulator of centriole duplication, the hypothesis that PLK4 overexpression contributes to centriole overduplication was evaluated. PLK4 is significantly overexpressed in melanoma compared with benign nevi and in a panel of human melanoma cell lines (A375, Hs294T, G361, WM35, WM115, 451Lu, and SK-MEL-28) compared with normal human melanocytes. Interestingly, although PLK4 expression did not correlate with CA in most cases, treatment of melanoma cells with a selective small-molecule PLK4 inhibitor (centrinone B) significantly decreased cell proliferation. The antiproliferative effects of centrinone B were also accompanied by induction of apoptosis.Implications: This study demonstrates that centriole overduplication is the predominant mechanism leading to centrosome amplification in melanoma and that PLK4 should be further evaluated as a potential therapeutic target for melanoma treatment. Mol Cancer Res; 16(3); 517-27. ©2018 AACR.
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Affiliation(s)
- Ryan A Denu
- Medical Scientist Training Program, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.,Department of Medicine, Division of Hematology/Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Maria Shabbir
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Minakshi Nihal
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - Chandra K Singh
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin
| | - B Jack Longley
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.,Carbone Cancer Center, University of Wisconsin, Madison, Wisconsin.,William S. Middleton VA Medical Center, Madison, Wisconsin
| | - Mark E Burkard
- Department of Medicine, Division of Hematology/Oncology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin. .,Carbone Cancer Center, University of Wisconsin, Madison, Wisconsin
| | - Nihal Ahmad
- Department of Dermatology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin. .,Carbone Cancer Center, University of Wisconsin, Madison, Wisconsin.,William S. Middleton VA Medical Center, Madison, Wisconsin
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10
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Sredni ST, Bailey AW, Suri A, Hashizume R, He X, Louis N, Gokirmak T, Piper DR, Watterson DM, Tomita T. Inhibition of polo-like kinase 4 (PLK4): a new therapeutic option for rhabdoid tumors and pediatric medulloblastoma. Oncotarget 2017; 8:111190-111212. [PMID: 29340047 PMCID: PMC5762315 DOI: 10.18632/oncotarget.22704] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 11/05/2017] [Indexed: 01/08/2023] Open
Abstract
Rhabdoid tumors (RT) are highly aggressive and vastly unresponsive embryonal tumors. They are the most common malignant CNS tumors in infants below 6 months of age. Medulloblastomas (MB) are embryonal tumors that arise in the cerebellum and are the most frequent pediatric malignant brain tumors. Despite the advances in recent years, especially for the most favorable molecular subtypes of MB, the prognosis of patients with embryonal tumors remains modest with treatment related toxicity dreadfully high. Therefore, new targeted therapies are needed. The polo-like kinase 4 (PLK4) is a critical regulator of centriole duplication and consequently, mitotic progression. We previously established that PLK4 is overexpressed in RT and MB. We also demonstrated that inhibiting PLK4 with a small molecule inhibitor resulted in impairment of proliferation, survival, migration and invasion of RT cells. Here, we showed in MB the same effects that we previously described for RT. We also demonstrated that PLK4 inhibition induced apoptosis, senescence and polyploidy in RT and MB cells, thereby increasing the susceptibility of cancer cells to DNA-damaging agents. In order to test the hypothesis that PLK4 is a CNS druggable target, we demonstrated efficacy with oral administration to an orthotropic xenograft model. Based on these results, we postulate that targeting PLK4 with small-molecule inhibitors could be a novel strategy for the treatment of RT and MB and that PLK4 inhibitors (PLK4i) might be promising agents to be used solo or in combination with cytotoxic agents.
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Affiliation(s)
- Simone Treiger Sredni
- Ann and Robert H. Lurie Children’s Hospital of Chicago, Division of Pediatric Neurosurgery, Chicago, IL 60611, USA
- Northwestern University, Feinberg School of Medicine, Department of Surgery, Chicago, IL 60611, USA
- Stanley Manne Children’s Research Institute, Cancer Biology and Epigenomics, Chicago, IL 60614, USA
| | - Anders W. Bailey
- Ann and Robert H. Lurie Children’s Hospital of Chicago, Division of Pediatric Neurosurgery, Chicago, IL 60611, USA
- Stanley Manne Children’s Research Institute, Cancer Biology and Epigenomics, Chicago, IL 60614, USA
| | - Amreena Suri
- Ann and Robert H. Lurie Children’s Hospital of Chicago, Division of Pediatric Neurosurgery, Chicago, IL 60611, USA
- Stanley Manne Children’s Research Institute, Cancer Biology and Epigenomics, Chicago, IL 60614, USA
| | - Rintaro Hashizume
- Northwestern University, Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL 60611, USA
| | - Xingyao He
- Northwestern University, Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL 60611, USA
| | - Nundia Louis
- Northwestern University, Feinberg School of Medicine, Department of Neurological Surgery, Chicago, IL 60611, USA
| | - Tufan Gokirmak
- Thermo Fisher Scientific, Research and Development, Biosciences Division, Carlsbad, CA 92008, USA
| | - David R. Piper
- Thermo Fisher Scientific, Research and Development, Biosciences Division, Carlsbad, CA 92008, USA
| | - Daniel M. Watterson
- Northwestern University, Feinberg School of Medicine, Department of Pharmacology, Chicago, IL 60611, USA
| | - Tadanori Tomita
- Ann and Robert H. Lurie Children’s Hospital of Chicago, Division of Pediatric Neurosurgery, Chicago, IL 60611, USA
- Northwestern University, Feinberg School of Medicine, Department of Surgery, Chicago, IL 60611, USA
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Maniswami RR, Prashanth S, Karanth AV, Koushik S, Govindaraj H, Mullangi R, Rajagopal S, Jegatheesan SK. PLK4: a link between centriole biogenesis and cancer. Expert Opin Ther Targets 2017; 22:59-73. [PMID: 29171762 DOI: 10.1080/14728222.2018.1410140] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Polo like kinase (PLK) is known to play a pivotal role in various cell cycle processes to perpetuate proper division and growth of the cells. Polo like kinase-4 (PLK4) is one such kinase that appears in low abundance and plays a well-characterized role in centriole duplication. PLK4 deregulation (i.e. both overexpression and depletion of PLK4), leads to altered mitotic fidelity and thereby triggers tumorigenesis. Hence, over the last few years PLK4 has emerged as a potential therapeutic target for the treatment of various advanced cancers. Areas covered: In this review, we discuss the basic structure, expression, localization and functions of PLK4 along with its regulation by various proteins. We also discuss the role of altered PLK4 activity in the onset of cancer and the current pre-clinical and clinical inhibitors to regulate PLK4. Expert opinion: PLK4 mediated centriole duplication has a crucial role in maintaining mitotic correctness in normal cells, while its deregulation has a greater impact on genesis of cancer. Henceforth, a deep knowledge of the PLK4 levels, its role and interactions with various proteins in cancer is required to design effective inhibitors for clinical use.
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Affiliation(s)
| | | | | | - Sindhu Koushik
- a Jubilant Biosys Ltd, Bioinformatics , Bangalore , India
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