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Chen M, Shen C, Chen Y, Chen Z, Zhou K, Chen Y, Li W, Zeng C, Qing Y, Wu D, Xu C, Tang T, Che Y, Qin X, Xu Z, Wang K, Leung K, Sau L, Deng X, Hu J, Wu Y, Chen J. Metformin synergizes with gilteritinib in treating FLT3-mutated leukemia via targeting PLK1 signaling. Cell Rep Med 2024; 5:101645. [PMID: 39019012 PMCID: PMC11293342 DOI: 10.1016/j.xcrm.2024.101645] [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: 10/31/2023] [Revised: 03/15/2024] [Accepted: 06/14/2024] [Indexed: 07/19/2024]
Abstract
Fms-like tyrosine kinase 3 (FLT3) mutations, present in over 30% of acute myeloid leukemia (AML) cases and dominated by FLT3-internal tandem duplication (FLT3-ITD), are associated with poor outcomes in patients with AML. While tyrosine kinase inhibitors (TKIs; e.g., gilteritinib) are effective, they face challenges such as drug resistance, relapse, and high costs. Here, we report that metformin, a cheap, safe, and widely used anti-diabetic agent, exhibits a striking synergistic effect with gilteritinib in treating FLT3-ITD AML. Metformin significantly sensitizes FLT3-ITD AML cells (including TKI-resistant ones) to gilteritinib. Metformin plus gilteritinib (low dose) dramatically suppresses leukemia progression and prolongs survival in FLT3-ITD AML mouse models. Mechanistically, the combinational treatment cooperatively suppresses polo-like kinase 1 (PLK1) expression and phosphorylation of FLT3/STAT5/ERK/mTOR. Clinical analysis also shows improved survival rates in patients with FLT3-ITD AML taking metformin. Thus, the metformin/gilteritinib combination represents a promising and cost-effective treatment for patients with FLT3-mutated AML, particularly for those with low income/affordability.
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Affiliation(s)
- Meiling Chen
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China; Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Chao Shen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA.
| | - Yi Chen
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China
| | - Zhenhua Chen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Keren Zhou
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Yuanzhong Chen
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China
| | - Wei Li
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Chengwu Zeng
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Department of Hematology, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510700, China
| | - Ying Qing
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Dong Wu
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA; Department of General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Caiming Xu
- Department of Molecular Diagnostics and Experimental Therapeutics, Beckman Research Institute of City of Hope, Biomedical Research Center, Monrovia, CA 91016, USA
| | - Tingting Tang
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Yuan Che
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Xi Qin
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Zhaoxu Xu
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Kitty Wang
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Keith Leung
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Lillian Sau
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Xiaolan Deng
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA.
| | - Jianda Hu
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China; Department of Hematology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, China.
| | - Yong Wu
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China.
| | - Jianjun Chen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA; Center for RNA Biology and Therapeutics, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA.
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Wu X, Wang F, Yang X, Gong Y, Niu T, Chu B, Qu Y, Qian Z. Advances in Drug Delivery Systems for the Treatment of Acute Myeloid Leukemia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403409. [PMID: 38934349 DOI: 10.1002/smll.202403409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/06/2024] [Indexed: 06/28/2024]
Abstract
Acute myeloid leukemia (AML) is a common and catastrophic hematological neoplasm with high mortality rates. Conventional therapies, including chemotherapy, hematopoietic stem cell transplantation (HSCT), immune therapy, and targeted agents, have unsatisfactory outcomes for AML patients due to drug toxicity, off-target effects, drug resistance, drug side effects, and AML relapse and refractoriness. These intrinsic limitations of current treatments have promoted the development and application of nanomedicine for more effective and safer leukemia therapy. In this review, the classification of nanoparticles applied in AML therapy, including liposomes, polymersomes, micelles, dendrimers, and inorganic nanoparticles, is reviewed. In addition, various strategies for enhancing therapeutic targetability in nanomedicine, including the use of conjugating ligands, biomimetic-nanotechnology, and bone marrow targeting, which indicates the potential to reverse drug resistance, are discussed. The application of nanomedicine for assisting immunotherapy is also involved. Finally, the advantages and possible challenges of nanomedicine for the transition from the preclinical phase to the clinical phase are discussed.
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Affiliation(s)
- Xia Wu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Fangfang Wang
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Xijing Yang
- The Experimental Animal Center of West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Yuping Gong
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Ting Niu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Bingyang Chu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Ying Qu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Zhiyong Qian
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
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Holl K, Chatain N, Krapp S, Baumeister J, Maié T, Schmitz S, Scheufen A, Brock N, Koschmieder S, Moreno-Andrés D. Calreticulin and JAK2V617F driver mutations induce distinct mitotic defects in myeloproliferative neoplasms. Sci Rep 2024; 14:2810. [PMID: 38308077 PMCID: PMC10837458 DOI: 10.1038/s41598-024-53240-8] [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: 10/23/2023] [Accepted: 01/30/2024] [Indexed: 02/04/2024] Open
Abstract
Myeloproliferative neoplasms (MPNs) encompass a diverse group of hematologic disorders driven by mutations in JAK2, CALR, or MPL. The prevailing working model explaining how these driver mutations induce different disease phenotypes is based on the decisive influence of the cellular microenvironment and the acquisition of additional mutations. Here, we report increased levels of chromatin segregation errors in hematopoietic cells stably expressing CALRdel52 or JAK2V617F mutations. Our investigations employing murine 32DMPL and human erythroleukemic TF-1MPL cells demonstrate a link between CALRdel52 or JAK2V617F expression and a compromised spindle assembly checkpoint (SAC), a phenomenon contributing to error-prone mitosis. This defective SAC is associated with imbalances in the recruitment of SAC factors to mitotic kinetochores upon CALRdel52 or JAK2V617F expression. We show that JAK2 mutant CD34 + MPN patient-derived cells exhibit reduced expression of the master mitotic regulators PLK1, aurora kinase B, and PP2A catalytic subunit. Furthermore, the expression profile of mitotic regulators in CD34 + patient-derived cells allows to faithfully distinguish patients from healthy controls, as well as to differentiate primary and secondary myelofibrosis from essential thrombocythemia and polycythemia vera. Altogether, our data suggest alterations in mitotic regulation as a potential driver in the pathogenesis in MPN.
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Affiliation(s)
- Kristin Holl
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Nicolas Chatain
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
- Center of Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), Aachen, Germany
| | - Susanne Krapp
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Julian Baumeister
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
- Center of Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), Aachen, Germany
| | - Tiago Maié
- Institute for Computational Genomics, Joint Research Center for Computational Biomedicine, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Sarah Schmitz
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Anja Scheufen
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Nathalie Brock
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany
- Center of Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), Aachen, Germany
| | - Daniel Moreno-Andrés
- Institute of Biochemistry and Molecular Cell Biology, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.
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Wang Y, Yao M, Li C, Yang K, Qin X, Xu L, Shi S, Yu C, Meng X, Xie C. Targeting ST8SIA6-AS1 counteracts KRAS G12C inhibitor resistance through abolishing the reciprocal activation of PLK1/c-Myc signaling. Exp Hematol Oncol 2023; 12:105. [PMID: 38104151 PMCID: PMC10724920 DOI: 10.1186/s40164-023-00466-3] [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: 08/25/2023] [Accepted: 12/03/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND KRASG12C inhibitors (KRASG12Ci) AMG510 and MRTX849 have shown promising efficacy in clinical trials and been approved for the treatment of KRASG12C-mutant cancers. However, the emergence of therapy-related drug resistance limits their long-term potential. This study aimed to identify the critical mediators and develop overcoming strategies. METHODS By using RNA sequencing, RT-qPCR and immunoblotting, we identified and validated the upregulation of c-Myc activity and the amplification of the long noncoding RNA ST8SIA6-AS1 in KRASG12Ci-resistant cells. The regulatory axis ST8SIA6-AS1/Polo-like kinase 1 (PLK1)/c-Myc was investigated by bioinformatics, RNA fluorescence in situ hybridization, RNA immunoprecipitation, RNA pull-down and chromatin immunoprecipitation. Gain/loss-of-function assays, cell viability assay, xenograft models, and IHC staining were conducted to evaluate the anti-cancer effects of co-inhibition of ST8SIA6-AS1/PLK1 pathway and KRAS both in vitro and in vivo. RESULTS KRASG12Ci sustainably decreased c-Myc levels in responsive cell lines but not in cell lines with intrinsic or acquired resistance to KRASG12Ci. PLK1 activation contributed to this ERK-independent c-Myc stability, which in turn directly induced PLK1 transcription, forming a positive feedback loop and conferring resistance to KRASG12Ci. ST8SIA6-AS1 was found significantly upregulated in resistant cells and facilitated the proliferation of KRASG12C-mutant cancers. ST8SIA6-AS1 bound to Aurora kinase A (Aurora A)/PLK1 and promoted Aurora A-mediated PLK1 phosphorylation. Concurrent targeting of KRAS and ST8SIA6-AS1/PLK1 signaling suppressed both ERK-dependent and -independent c-Myc expression, synergistically led to cell death and tumor regression and overcame KRASG12Ci resistance. CONCLUSIONS Our study deciphers that the axis of ST8SIA6-AS1/PLK1/c-Myc confers both intrinsic and acquired resistance to KRASG12Ci and represents a promising therapeutic target for combination strategies with KRASG12Ci in the treatment of KRASG12C-mutant cancers.
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Affiliation(s)
- Yafang Wang
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
| | - Mingyue Yao
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
- Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), University of Science and Technology of China, Hefei, Anhui, China
- Drug Discovery and Development Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, People's Republic of China
| | - Cheng Li
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Kexin Yang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- Lingang Laboratory, 319 Yueyang Road, Shanghai, 200031, China
| | - Xiaolong Qin
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Lansong Xu
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
- Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC (Anhui Provincial Hospital), University of Science and Technology of China, Hefei, Anhui, China
- Drug Discovery and Development Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, People's Republic of China
| | - Shangxuan Shi
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Chengcheng Yu
- Drug Discovery and Development Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, People's Republic of China
- Lingang Laboratory, 319 Yueyang Road, Shanghai, 200031, China
| | - Xiangjun Meng
- Gastroenterology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200001, China
- China Center for Digestive Diseases Research and Clinical Translation of Shanghai Jiao Tong University, Shanghai, 200001, China
- China Shanghai Key Laboratory of Gut Microecology and Associated Major Diseases Research, Shanghai, 200001, China
| | - Chengying Xie
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai, 201210, People's Republic of China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- Lingang Laboratory, 319 Yueyang Road, Shanghai, 200031, China.
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Peroni E, Randi ML, Rosato A, Cagnin S. Acute myeloid leukemia: from NGS, through scRNA-seq, to CAR-T. dissect cancer heterogeneity and tailor the treatment. J Exp Clin Cancer Res 2023; 42:259. [PMID: 37803464 PMCID: PMC10557350 DOI: 10.1186/s13046-023-02841-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/25/2023] [Indexed: 10/08/2023] Open
Abstract
Acute myeloid leukemia (AML) is a malignant blood cancer with marked cellular heterogeneity due to altered maturation and differentiation of myeloid blasts, the possible causes of which are transcriptional or epigenetic alterations, impaired apoptosis, and excessive cell proliferation. This neoplasm has a high rate of resistance to anticancer therapies and thus a high risk of relapse and mortality because of both the biological diversity of the patient and intratumoral heterogeneity due to the acquisition of new somatic changes. For more than 40 years, the old gold standard "one size fits all" treatment approach included intensive chemotherapy treatment with anthracyclines and cytarabine.The manuscript first traces the evolution of the understanding of the pathology from the 1970s to the present. The enormous strides made in its categorization prove to be crucial for risk stratification, enabling an increasingly personalized diagnosis and treatment approach.Subsequently, we highlight how, over the past 15 years, technological advances enabling single cell RNA sequencing and T-cell modification based on the genomic tools are affecting the classification and treatment of AML. At the dawn of the new millennium, the advent of high-throughput next-generation sequencing technologies has enabled the profiling of patients evidencing different facets of the same disease, stratifying risk, and identifying new possible therapeutic targets that have subsequently been validated. Currently, the possibility of investigating tumor heterogeneity at the single cell level, profiling the tumor at the time of diagnosis or after treatments exist. This would allow the identification of underrepresented cellular subclones or clones resistant to therapeutic approaches and thus responsible for post-treatment relapse that would otherwise be difficult to detect with bulk investigations on the tumor biopsy. Single-cell investigation will then allow even greater personalization of therapy to the genetic and transcriptional profile of the tumor, saving valuable time and dangerous side effects. The era of personalized medicine will take a huge step forward through the disclosure of each individual piece of the complex puzzle that is cancer pathology, to implement a "tailored" therapeutic approach based also on engineered CAR-T cells.
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Affiliation(s)
- Edoardo Peroni
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padova, 35128, Italy.
| | - Maria Luigia Randi
- First Medical Clinic, Department of Medicine-DIMED, University of Padua, Padua, Italy
| | - Antonio Rosato
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padova, 35128, Italy
- Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Stefano Cagnin
- Department of Biology, University of Padova, Padova, 35131, Italy
- CIR-Myo Myology Center, University of Padova, Padova, 35131, Italy
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Normandin K, Coulombe-Huntington J, St-Denis C, Bernard A, Bourouh M, Bertomeu T, Tyers M, Archambault V. Genetic enhancers of partial PLK1 inhibition reveal hypersensitivity to kinetochore perturbations. PLoS Genet 2023; 19:e1010903. [PMID: 37639469 PMCID: PMC10491399 DOI: 10.1371/journal.pgen.1010903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/08/2023] [Accepted: 08/06/2023] [Indexed: 08/31/2023] Open
Abstract
Polo-like kinase 1 (PLK1) is a serine/threonine kinase required for mitosis and cytokinesis. As cancer cells are often hypersensitive to partial PLK1 inactivation, chemical inhibitors of PLK1 have been developed and tested in clinical trials. However, these small molecule inhibitors alone are not completely effective. PLK1 promotes numerous molecular and cellular events in the cell division cycle and it is unclear which of these events most crucially depend on PLK1 activity. We used a CRISPR-based genome-wide screening strategy to identify genes whose inactivation enhances cell proliferation defects upon partial chemical inhibition of PLK1. Genes identified encode proteins that are functionally linked to PLK1 in multiple ways, most notably factors that promote centromere and kinetochore function. Loss of the kinesin KIF18A or the outer kinetochore protein SKA1 in PLK1-compromised cells resulted in mitotic defects, activation of the spindle assembly checkpoint and nuclear reassembly defects. We also show that PLK1-dependent CENP-A loading at centromeres is extremely sensitive to partial PLK1 inhibition. Our results suggest that partial inhibition of PLK1 compromises the integrity and function of the centromere/kinetochore complex, rendering cells hypersensitive to different kinetochore perturbations. We propose that KIF18A is a promising target for combinatorial therapies with PLK1 inhibitors.
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Affiliation(s)
- Karine Normandin
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
| | | | - Corinne St-Denis
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
| | - Alexandre Bernard
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
| | - Mohammed Bourouh
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
| | - Thierry Bertomeu
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
| | - Mike Tyers
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
- Département de médecine, Université de Montréal, Montréal, Canada
| | - Vincent Archambault
- Institute for Research in Immunology and Cancer, Université de Montréal, Montréal, Canada
- Département de biochimie et médecine moléculaire, Université de Montréal, Montréal, Canada
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7
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Premnath N, Madanat YF. Novel Investigational Agents and Pathways That May Influence the Future Management of Acute Myeloid Leukemia. Cancers (Basel) 2023; 15:2958. [PMID: 37296920 PMCID: PMC10252053 DOI: 10.3390/cancers15112958] [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: 04/21/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
Acute Myeloid leukemia (AML) is a clinically heterogeneous disease with a 5-year overall survival of 32% between 2012 to 2018. The above number severely dwindles with age and adverse risk of disease, presenting opportunities for new drug development and is an area of dire unmet need. Basic science and clinical investigators across the world have been working on many new and old molecule formulations and combination strategies to improve outcomes in this disease. In this review, we discuss select promising novel agents in various stages of clinical development for patients with AML.
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Affiliation(s)
- Naveen Premnath
- Division of Hematology and Medical Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA;
| | - Yazan F. Madanat
- Division of Hematology and Medical Oncology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA;
- Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX 75235, USA
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8
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Xia Y, An J, Li J, Gu W, Zhang Y, Zhao S, Zhao C, Xu Y, Li B, Zhong Z, Meng F. Transferrin-guided intelligent nanovesicles augment the targetability and potency of clinical PLK1 inhibitor to acute myeloid leukemia. Bioact Mater 2023; 21:499-510. [PMID: 36185744 PMCID: PMC9494038 DOI: 10.1016/j.bioactmat.2022.08.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/24/2022] [Accepted: 08/28/2022] [Indexed: 11/28/2022] Open
Abstract
Acute myeloid leukemia (AML) remains a most lethal hematological malignancy, partly because of its slow development of targeted therapies compared with other cancers. PLK1 inhibitor, volasertib (Vol), is among the few molecular targeted drugs granted breakthrough therapy status for AML; however, its fast clearance and dose-limiting toxicity greatly restrain its clinical benefits. Here, we report that transferrin-guided polymersomes (TPs) markedly augment the targetability, potency and safety of Vol to AML. Vol-loaded TPs (TPVol) with 4% transferrin exhibited best cellular uptake, effective down-regulation of p-PLK1, p-PTEN and p-AKT and superior apoptotic activity to free Vol in MV-4-11 leukemic cells. Intravenous injection of TPVol gave 6-fold higher AUC than free Vol and notable accumulation in AML-residing bone marrow. The efficacy studies in orthotopic MV-4-11 leukemic model demonstrated that TPVol significantly reduced leukemic cell proportions in periphery blood, bone marrow, liver and spleen, effectively enhanced mouse survival rate, and impeded bone loss. This transferrin-guided nano-delivery of molecular targeted drugs appears to be an interesting strategy towards the development of novel treatments for AML.
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Affiliation(s)
- Yifeng Xia
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, PR China
| | - Jingnan An
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, PR China
| | - Jiaying Li
- Orthopedic Institute, Soochow University, Suzhou, 215007, PR China
| | - Wenxing Gu
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
| | - Yifan Zhang
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
| | - Songsong Zhao
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
| | - Cenzhu Zhao
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, PR China
| | - Yang Xu
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215123, PR China
| | - Bin Li
- Orthopedic Institute, Soochow University, Suzhou, 215007, PR China
| | - Zhiyuan Zhong
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, PR China
| | - Fenghua Meng
- Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, PR China
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, PR China
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9
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Gołos A, Góra-Tybor J, Robak T. Experimental drugs in clinical trials for acute myeloid leukemia: innovations, trends, and opportunities. Expert Opin Investig Drugs 2023; 32:53-67. [PMID: 36669827 DOI: 10.1080/13543784.2023.2171860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Acute myeloid leukemia (AML) is a heterogeneous disease characterized by many cytogenetic and molecular alterations. Due to better knowledge of the molecular basis of AML, many targeted therapies have been introduced and registered, e.g. FMS-like tyrosine kinase 3 inhibitors, isocitrate dehydrogenase 1/2 mutation inhibitors, and Bcl-2 inhibitor. Despite that, the cure for AML remains an unmet clinical need in most patients. AREAS COVERED The review aims to present new, not yet registered drugs for AML. We searched the English literature for articles concerning AML, targeted drugs, menin inhibitors, DOT1L, BET, IDH inhibitors, FLT3, hedgehog inhibitors, Polo-like kinase inhibitors, RNA splicing, and immune therapies via PubMed. Publications from January 2000 to August 2022 were scrutinized. Additional relevant publications were obtained by reviewing the references from the chosen articles and Google search. Conference proceedings from the previous 5 years of The American Society of Hematology, the European Hematology Association, and the American Society of Clinical Oncology were searched manually. Additional relevant publications were obtained by reviewing the references. EXPERT OPINION For several years, the therapeutic approach in AML has become more individualized. Novel groups of drugs give hope for greater curability. High response rates have agents that restore the activity of the p53 protein. In addition, agents that work independently of a particular mutation seem promising for AML without any known mutation.
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Affiliation(s)
- Aleksandra Gołos
- Department of Hematooncology, Copernicus Memorial Hospital, Lodz, Poland
| | - Joanna Góra-Tybor
- Department of Hematooncology, Copernicus Memorial Hospital, Lodz, Poland.,Department of Hematology, Medical University of Lodz, Lodz, Poland
| | - Tadeusz Robak
- Department of Hematology, Medical University of Lodz, Lodz, Poland.,Department of General Hematology, Copernicus Memorial Hospital, Lodz, Poland
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10
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He M, Cao C, Ni Z, Liu Y, Song P, Hao S, He Y, Sun X, Rao Y. PROTACs: great opportunities for academia and industry (an update from 2020 to 2021). Signal Transduct Target Ther 2022; 7:181. [PMID: 35680848 PMCID: PMC9178337 DOI: 10.1038/s41392-022-00999-9] [Citation(s) in RCA: 91] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/25/2022] [Accepted: 04/12/2022] [Indexed: 02/07/2023] Open
Abstract
PROteolysis TArgeting Chimeras (PROTACs) technology is a new protein-degradation strategy that has emerged in recent years. It uses bifunctional small molecules to induce the ubiquitination and degradation of target proteins through the ubiquitin-proteasome system. PROTACs can not only be used as potential clinical treatments for diseases such as cancer, immune disorders, viral infections, and neurodegenerative diseases, but also provide unique chemical knockdown tools for biological research in a catalytic, reversible, and rapid manner. In 2019, our group published a review article "PROTACs: great opportunities for academia and industry" in the journal, summarizing the representative compounds of PROTACs reported before the end of 2019. In the past 2 years, the entire field of protein degradation has experienced rapid development, including not only a large increase in the number of research papers on protein-degradation technology but also a rapid increase in the number of small-molecule degraders that have entered the clinical and will enter the clinical stage. In addition to PROTAC and molecular glue technology, other new degradation technologies are also developing rapidly. In this article, we mainly summarize and review the representative PROTACs of related targets published in 2020-2021 to present to researchers the exciting developments in the field of protein degradation. The problems that need to be solved in this field will also be briefly introduced.
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Affiliation(s)
- Ming He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Chaoguo Cao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
- Tsinghua-Peking Center for Life Sciences, 100084, Beijing, P. R. China
| | - Zhihao Ni
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yongbo Liu
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Peilu Song
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Shuang Hao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yuna He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Xiuyun Sun
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yu Rao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China.
- School of Pharmaceutical Sciences, Zhengzhou University, 450001, Zhengzhou, China.
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11
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Chen L, Liu Z, Li X. Recent Advances in Dual BRD4-Kinase Inhibitors Base on Polypharmacology. ChemMedChem 2022; 17:e202100731. [PMID: 35146935 DOI: 10.1002/cmdc.202100731] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/08/2022] [Indexed: 11/11/2022]
Abstract
Epigenetic reader BRD4 is involved in chromatin remodeling and transcriptional regulation, making it a promising therapeutic target. However, during the past decades, the results of many BRD4 inhibitors that have entered clinical trials were, in the main, unsatisfactory, due to some therapeutic limitations such as off-target effects and drug resistance. Combining a BRD4 inhibitor with another drug was expected to be an ideal option to overcome these "bottlenecks" and achieve improved therapeutic outcomes. However, combination therapy might trigger toxicity caused by drug-drug interaction, complex pharmacokinetic and additive effects. Recently, the application of dual-target drugs targeting BRD4 and other kinases has emerged to be an attractive approach to remedy defects of a single BRD4 inhibitor. Herein, this review focuses on recent advances in the discovery of dual BRD4-kinase inhibitors, with emphasis on their co-crystal structures and structure-activity relationships (SARs), as well as perspective prospects in the field.
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Affiliation(s)
- Li Chen
- Shandong University Cheeloo College of Medicine, Medicinal chemistry, West Wenhua Road 44, 250012, Jinnan, CHINA
| | - Zhaopeng Liu
- Institute of Medicinal Chemistry, Department of Organic Chemistry, School of Pharmaceutical Sciences, Shandong Un, No.44 WhenHua XiLu, 250012, Jinan, CHINA
| | - Xun Li
- Shandong First Medical University, Institute of Materia Medica, CHINA
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12
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Li Y, Wang H, Zhang Z, Tang C, Zhou X, Mohan C, Wu T. Identification of polo-like kinase 1 as a therapeutic target in murine lupus. Clin Transl Immunology 2022; 11:e1362. [PMID: 35024139 PMCID: PMC8733964 DOI: 10.1002/cti2.1362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 09/21/2021] [Accepted: 11/29/2021] [Indexed: 11/18/2022] Open
Abstract
Introduction The signalling cascades that contribute to lupus pathogenesis are incompletely understood. We address this by using an unbiased activity‐based kinome screen of murine lupus. Methods An unbiased activity‐based kinome screen (ABKS) of 196 kinases was applied to two genetically different murine lupus strains. Systemic and renal lupus were evaluated following in vivo PLK1blockade. The upstream regulators and downstream targets of PLK1 were also interrogated. Results Multiple signalling cascades were noted to be more active in murine lupus spleens, including PLK1. In vivo administration of a PLK1‐specific inhibitor ameliorated splenomegaly, anti‐dsDNA antibody production, proteinuria, BUN and renal pathology in MRL.lpr mice (P < 0.05). Serum IL‐6, IL‐17 and kidney injury molecule 1 (KIM‐1) were significantly decreased after PLK1 inhibition. PLK1 inhibition reduced germinal centre and marginal zone B cells in the spleen, but changes in T cells were not significant. In vitro, splenocytes were treated with anti‐mouse CD40 Ab or F(ab’)2 fragment anti‐mouse IgM. After 24‐h stimulation, IL‐6 secretion was significantly reduced upon PLK1 blockade, whereas IL‐10 production was significantly increased. The phosphorylation of mTOR was assessed in splenocyte subsets, which revealed a significant change in myeloid cells. PLK1 blockade reduced phosphorylation associated with mTOR signalling, while Aurora‐A emerged as a potential upstream regulator of PLK1. Conclusion The Aurora‐A → PLK1 → mTOR signalling axis may be central in lupus pathogenesis, and emerges as a potential therapeutic target.
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Affiliation(s)
- Yaxi Li
- Department of Biomedical Engineering University of Houston Houston TX USA
| | - Hongting Wang
- Department of Biomedical Engineering University of Houston Houston TX USA
| | - Zijing Zhang
- Department of Biomedical Engineering University of Houston Houston TX USA.,Institute of Animal Husbandry and Veterinary Science Henan Academy of Agricultural Sciences Zhengzhou Henan China
| | - Chenling Tang
- Department of Biomedical Engineering University of Houston Houston TX USA
| | - Xinjin Zhou
- Department of Pathology Baylor University Medical Center at Dallas Dallas TX USA
| | - Chandra Mohan
- Department of Biomedical Engineering University of Houston Houston TX USA
| | - Tianfu Wu
- Department of Biomedical Engineering University of Houston Houston TX USA
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13
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Rashidbaghan A, Mostafaie A, Yazdani Y, Mansouri K. More Related Gene Pathways to Vincristine-Induced Death Events in a Human T-Acute Lymphoblastic Leukemia Cell Line. Rep Biochem Mol Biol 2022; 10:554-564. [PMID: 35291614 PMCID: PMC8903353 DOI: 10.52547/rbmb.10.4.554] [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: 08/13/2021] [Accepted: 08/25/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Acute lymphoblastic leukemia (ALL) is common in children but rare in adults. Vincristine (VCR) is one of the drugs used at the beginning of treatment. Some genes are resistant to VCR in B-ALL. METHODS Here, we examined the effect of VCR on gene expression changes in a T-ALL cell line, Jurkat. The MTT method was used to determine the IC50 in Jurkat cells treated with different concentrations of VCR for 48 and 72 hours. Total RNA was isolated from the cells and cDNA was prepared. The Human Cancer Drug Target PCR Array kit was used to evaluate the 84 gene expression changes in Jurkat cells. Protein-protein interaction was analyzed by STRING software. RESULTS We identified 66 differentially expressed genes as comparison to untreated cells. The response to VCR-induced apoptotic events was remarkable in the pathways of heat shock protein, topoisomerases, protein kinases, cathepsins and cell cycle. In other pathways, there were resistant genes as well as sensitive genes to VCR treatment. Some proteins like HSP90AA1 and ESR1 had determining associations with other proteins. CONCLUSION The results suggest VCR target genes in T-ALL cells may be beneficial biomarkers for ALL treatment and can be used to select appropriate synergistic drugs for VCR.
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Affiliation(s)
- Azam Rashidbaghan
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Ali Mostafaie
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Yaghoub Yazdani
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Kamran Mansouri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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14
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Symeonidou V, Jakobczyk H, Bashanfer S, Malouf C, Fotopoulou F, Kotecha RS, Anderson RA, Finch AJ, Ottersbach K. Defining the fetal origin of MLL-AF4 infant leukemia highlights specific fatty acid requirements. Cell Rep 2021; 37:109900. [PMID: 34706236 PMCID: PMC8567312 DOI: 10.1016/j.celrep.2021.109900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 09/01/2021] [Accepted: 10/06/2021] [Indexed: 11/28/2022] Open
Abstract
Infant MLL-AF4-driven acute lymphoblastic leukemia (ALL) is a devastating disease with dismal prognosis. A lack of understanding of the unique biology of this disease, particularly its prenatal origin, has hindered improvement of survival. We perform multiple RNA sequencing experiments on fetal, neonatal, and adult hematopoietic stem and progenitor cells from human and mouse. This allows definition of a conserved fetal transcriptional signature characterized by a prominent proliferative and oncogenic nature that persists in infant ALL blasts. From this signature, we identify a number of genes in functional validation studies that are critical for survival of MLL-AF4+ ALL cells. Of particular interest are PLK1 because of the readily available inhibitor and ELOVL1, which highlights altered fatty acid metabolism as a feature of infant ALL. We identify which aspects of the disease are residues of its fetal origin and potential disease vulnerabilities.
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Affiliation(s)
- Vasiliki Symeonidou
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Hélène Jakobczyk
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Salem Bashanfer
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Camille Malouf
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Foteini Fotopoulou
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK
| | - Rishi S Kotecha
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia
| | - Richard A Anderson
- MRC Centre for Reproductive Health, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Andrew J Finch
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Katrin Ottersbach
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4UU, UK.
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15
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Adjunctive Volasertib in Patients With Acute Myeloid Leukemia not Eligible for Standard Induction Therapy: A Randomized, Phase 3 Trial. Hemasphere 2021; 5:e617. [PMID: 34350385 PMCID: PMC8328241 DOI: 10.1097/hs9.0000000000000617] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 06/09/2021] [Indexed: 12/13/2022] Open
Abstract
In this phase 3 trial, older patients with acute myeloid leukemia ineligible for intensive chemotherapy were randomized 2:1 to receive the polo-like kinase inhibitor, volasertib (V; 350 mg intravenous on days 1 and 15 in 4-wk cycles), combined with low-dose cytarabine (LDAC; 20 mg subcutaneous, twice daily, days 1–10; n = 444), or LDAC plus placebo (P; n = 222). Primary endpoint was objective response rate (ORR); key secondary endpoint was overall survival (OS). Primary ORR analysis at recruitment completion included patients randomized ≥5 months beforehand; ORR was 25.2% for V+LDAC and 16.8% for P+LDAC (n = 371; odds ratio 1.66 [95% confidence interval (CI), 0.95–2.89]; P = 0.071). At final analysis (≥574 OS events), median OS was 5.6 months for V+LDAC and 6.5 months for P+LDAC (n = 666; hazard ratio 0.97 [95% CI, 0.8–1.2]; P = 0.757). The most common adverse events (AEs) were infections/infestations (grouped term; V+LDAC, 81.3%; P+LDAC, 63.5%) and febrile neutropenia (V+LDAC, 60.4%; P+LDAC, 29.3%). Fatal AEs occurred in 31.2% with V+LDAC versus 18.0% with P+LDAC, most commonly infections/infestations (V+LDAC, 17.1%; P+LDAC, 6.3%). Lack of OS benefit with V+LDAC versus P+LDAC may reflect increased early mortality with V+LDAC from myelosuppression and infections.
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16
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Chung C. Targeting the Myeloid Lineages and the Immune Microenvironment in Myelodysplastic Syndromes: Novel and Evolving Therapeutic Strategies. Ann Pharmacother 2021; 56:475-487. [PMID: 34330162 DOI: 10.1177/10600280211036154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE To discuss the recent and emerging data for novel targeted therapies in myelodysplastic syndromes (MDS). DATA SOURCES A literature search from January 2015 to June 2021 was performed using the key terms targeted therapies, myelodysplastic syndromes, DNA repair, erythroid differentiation therapy, epigenetic inhibitors, signal transduction inhibitors, and apoptosis-inducing agents. STUDY SELECTION AND DATA EXTRACTION Relevant clinical trials and articles in the English language were identified and reviewed. DATA SYNTHESIS MDS are a heterogeneous group of malignant blood disorders affecting the bone marrow (BM), ultimately leading to BM failure, acute leukemia, and death. Selection of treatment is influenced by the severity of symptoms, cytopenia, cytogenetics, prognostic category, medical fitness, and patient preferences. Although current therapies such as erythropoiesis stimulating agents (ESAs) and hypomethylating agents (HMAs) help improve anemia and reduce transfusion burden, limited treatment options exist when patients experience treatment failure to ESAs or HMA. Recent regulatory approval of luspatercept, which targets the erythroid differentiation pathway, represents a major therapeutic advance in the management of anemia in MDS patients who are refractory to ESAs. Many investigational targeted therapies that aim at the myeloid lineage signaling pathway and the immune microenvironment are in active development. RELEVANCE TO PATIENT CARE AND CLINICAL PRACTICE This nonexhaustive review summarizes and describes the recent data for targeted therapies for MDS. CONCLUSION The development of novel and investigational therapeutic agents continues to contribute to an improved understanding of tumor biology. The precise therapeutic role and timing of these agents remain to be elucidated.
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17
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Bewersdorf JP, Zeidan AM. Polo-like kinase inhibition as a therapeutic target in acute myeloid leukemia. Oncotarget 2021; 12:1314-1317. [PMID: 34194628 PMCID: PMC8238245 DOI: 10.18632/oncotarget.27919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 03/08/2021] [Indexed: 12/13/2022] Open
Affiliation(s)
- Jan Philipp Bewersdorf
- Department of Internal Medicine, Section of Hematology, Yale School of Medicine, New Haven, CT, USA
| | - Amer M Zeidan
- Department of Internal Medicine, Section of Hematology, Yale School of Medicine, New Haven, CT, USA.,Cancer Outcomes, Public Policy, and Effectiveness Research (COPPER) Center, Yale University, New Haven, CT, USA
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18
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Guo C, Gao YY, Ju QQ, Zhang CX, Gong M, Li ZL. The landscape of gene co-expression modules correlating with prognostic genetic abnormalities in AML. J Transl Med 2021; 19:228. [PMID: 34051812 PMCID: PMC8164775 DOI: 10.1186/s12967-021-02914-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/25/2021] [Indexed: 12/15/2022] Open
Abstract
Background The heterogenous cytogenetic and molecular variations were harbored by AML patients, some of which are related with AML pathogenesis and clinical outcomes. We aimed to uncover the intrinsic expression profiles correlating with prognostic genetic abnormalities by WGCNA. Methods We downloaded the clinical and expression dataset from BeatAML, TCGA and GEO database. Using R (version 4.0.2) and ‘WGCNA’ package, the co-expression modules correlating with the ELN2017 prognostic markers were identified (R2 ≥ 0.4, p < 0.01). ORA detected the enriched pathways for the key co-expression modules. The patients in TCGA cohort were randomly assigned into the training set (50%) and testing set (50%). The LASSO penalized regression analysis was employed to build the prediction model, fitting OS to the expression level of hub genes by ‘glmnet’ package. Then the testing and 2 independent validation sets (GSE12417 and GSE37642) were used to validate the diagnostic utility and accuracy of the model. Results A total of 37 gene co-expression modules and 973 hub genes were identified for the BeatAML cohort. We found that 3 modules were significantly correlated with genetic markers (the ‘lightyellow’ module for NPM1 mutation, the ‘saddlebrown’ module for RUNX1 mutation, the ‘lightgreen’ module for TP53 mutation). ORA revealed that the ‘lightyellow’ module was mainly enriched in DNA-binding transcription factor activity and activation of HOX genes. The ‘saddlebrown’ module was enriched in immune response process. And the ‘lightgreen’ module was predominantly enriched in mitosis cell cycle process. The LASSO- regression analysis identified 6 genes (NFKB2, NEK9, HOXA7, APRC5L, FAM30A and LOC105371592) with non-zero coefficients. The risk score generated from the 6-gene model, was associated with ELN2017 risk stratification, relapsed disease, and prior MDS history. The 5-year AUC for the model was 0.822 and 0.824 in the training and testing sets, respectively. Moreover, the diagnostic utility of the model was robust when it was employed in 2 validation sets (5-year AUC 0.743–0.79). Conclusions We established the co-expression network signature correlated with the ELN2017 recommended prognostic genetic abnormalities in AML. The 6-gene prediction model for AML survival was developed and validated by multiple datasets. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-021-02914-2.
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Affiliation(s)
- Chao Guo
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China
| | - Ya-Yue Gao
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China
| | - Qian-Qian Ju
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China
| | - Chun-Xia Zhang
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China
| | - Ming Gong
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China
| | - Zhen-Ling Li
- Department of Hematology, China-Japan Friendship Hospital, Yinghua East Street, Beijing, China.
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19
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de Oliveira Lisboa M, Brofman PRS, Schmid-Braz AT, Rangel-Pozzo A, Mai S. Chromosomal Instability in Acute Myeloid Leukemia. Cancers (Basel) 2021; 13:cancers13112655. [PMID: 34071283 PMCID: PMC8198625 DOI: 10.3390/cancers13112655] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/20/2022] Open
Abstract
Chromosomal instability (CIN), the increasing rate in which cells acquire new chromosomal alterations, is one of the hallmarks of cancer. Many studies highlighted CIN as an important mechanism in the origin, progression, and relapse of acute myeloid leukemia (AML). The ambivalent feature of CIN as a cancer-promoting or cancer-suppressing mechanism might explain the prognostic variability. The latter, however, is described in very few studies. This review highlights the important CIN mechanisms in AML, showing that CIN signatures can occur largely in all the three major AML types (de novo AML, secondary-AML, and therapy-related-AML). CIN features in AML could also be age-related and reflect the heterogeneity of the disease. Although most of these abnormalities show an adverse prognostic value, they also offer a strong new perspective on personalized therapy approaches, which goes beyond assessing CIN in vitro in patient tumor samples to predict prognosis. Current and emerging AML therapies are exploring CIN to improve AML treatment, which includes blocking CIN or increasing CIN beyond the limit threshold to induce cell death. We argue that the characterization of CIN features, not included yet in the routine diagnostic of AML patients, might provide a better stratification of patients and be extended to a more personalized therapeutic approach.
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Affiliation(s)
- Mateus de Oliveira Lisboa
- Core for Cell Technology, School of Medicine, Pontifícia Universidade Católica do Paraná—PUCPR, Curitiba 80215-901, Paraná, Brazil; (M.d.O.L.); (P.R.S.B.)
| | - Paulo Roberto Slud Brofman
- Core for Cell Technology, School of Medicine, Pontifícia Universidade Católica do Paraná—PUCPR, Curitiba 80215-901, Paraná, Brazil; (M.d.O.L.); (P.R.S.B.)
| | - Ana Teresa Schmid-Braz
- Hospital das Clínicas, Universidade Federal do Paraná, Curitiba 80060-240, Paraná, Brazil;
| | - Aline Rangel-Pozzo
- Department of Physiology and Pathophysiology, University of Manitoba, Cell Biology, CancerCare Manitoba Research Institute, Winnipeg, MB R3C 2B7, Canada
- Correspondence: (A.R.-P.); (S.M.); Tel.: +1-(204)787-4125 (S.M.)
| | - Sabine Mai
- Department of Physiology and Pathophysiology, University of Manitoba, Cell Biology, CancerCare Manitoba Research Institute, Winnipeg, MB R3C 2B7, Canada
- Correspondence: (A.R.-P.); (S.M.); Tel.: +1-(204)787-4125 (S.M.)
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20
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Zhang S, Chen Y, Tian C, He Y, Tian Z, Wan Y, Liu T. Dual-target Inhibitors Based on BRD4: Novel Therapeutic Approaches for Cancer. Curr Med Chem 2021; 28:1775-1795. [PMID: 32520674 DOI: 10.2174/0929867327666200610174453] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/30/2020] [Accepted: 04/06/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Currently, cancer continues being a dramatically increasing and serious threat to public health. Although many anti-tumor agents have been developed in recent years, the survival rate of patients is not satisfactory. The poor prognosis of cancer patients is closely related to the occurrence of drug resistance. Therefore, it is urgent to develop new strategies for cancer treatment. Multi-target therapies aim to have additive or synergistic effects and reduce the potential for the development of resistance by integrating different pharmacophores into a single drug molecule. Given the fact that majority of diseases are multifactorial in nature, multi-target therapies are being exploited with increasing intensity, which has brought improved outcomes in disease models and obtained several compounds that have entered clinical trials. Thus, it is potential to utilize this strategy for the treatment of BRD4 related cancers. This review focuses on the recent research advances of dual-target inhibitors based on BRD4 in the aspect of anti-tumor. METHODS We have searched the recent literatures about BRD4 inhibitors from the online resources and databases, such as pubmed, elsevier and google scholar. RESULTS In the recent years, many efforts have been taken to develop dual-target inhibitors based on BRD4 as anti-cancer agents, such as HDAC/BRD4 dual inhibitors, PLK1/BRD4 dual inhibitors and PI3K/BRD4 dual inhibitors and so on. Most compounds display good anti-tumor activities. CONCLUSION Developing new anti-cancer agents with new scaffolds and high efficiency is a big challenge for researchers. Dual-target inhibitors based on BRD4 are a class of important bioactive compounds. Making structural modifications on the active dual-target inhibitors according to the corresponding structure-activity relationships is of benefit to obtain more potent anti-cancer leads or clinical drugs. This review will be useful for further development of new dual-target inhibitors based on BRD4 as anti-cancer agents.
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Affiliation(s)
- Sitao Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Yanzhao Chen
- Department of Medicinal Chemistry, School of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Chengsen Tian
- School of Chemistry and Chemical Engineering, Qilu Normal University, Jinan, Shandong 250200, China
| | - Yujing He
- Department of Medicinal Chemistry, School of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
| | - Zeru Tian
- Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, United States
| | - Yichao Wan
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, Ministry of Education, Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China
| | - Tingting Liu
- Department of Medicinal Chemistry, School of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, Shandong, China
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21
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Kolosenko I, Goroshchuk O, Vidarsdottir L, Björklund AC, Dowdy SF, Palm-Apergi C. RNAi prodrugs decrease elevated mRNA levels of Polo-like kinase 1 in ex vivo cultured primary cells from pediatric acute myeloid leukemia patients. FASEB J 2021; 35:e21476. [PMID: 33788972 DOI: 10.1096/fj.202002454rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/20/2021] [Accepted: 02/11/2021] [Indexed: 12/19/2022]
Abstract
Polo-like kinase 1 (Plk1) is an important regulator of the cell cycle and it is frequently overexpressed in cancer cells. Several small molecule inhibitors have been developed to target Plk1 and some of them have reached clinical trials in adults with acute myeloid leukemia (AML). Pediatric AML patients have a poor prognosis and survivors suffer from long-term side effects. As adult AML cells have an elevated expression of Plk1, AML is a disease candidate for Plk1 inhibition. However, the relative success of clinical trials have been hampered by adverse reactions. Herein, PLK1-targeting RNA interference (RNAi) prodrugs that enter cells without a transfection reagent are used to target PLK1 selectively in primary cells from pediatric AML patients. We show that PLK1 and PLK4 mRNA expression are significantly higher in pediatric AML patients when compared to healthy donors and that PLK1 is downregulated by on average 50% using RNAi prodrugs without a significant effect on other PLK family members. In addition, the RNAi prodrug-induced decrease in PLK1 can be used to potentiate the effect of cytarabine. In summary, PLK1-targeting RNAi prodrugs can decrease the elevated levels of PLK1 in primary cells from pediatric AML patients and sensitize pediatric AML cells to chemotherapeutics.
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MESH Headings
- Apoptosis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Case-Control Studies
- Cell Cycle
- Cell Cycle Proteins/antagonists & inhibitors
- Cell Cycle Proteins/genetics
- Cell Cycle Proteins/metabolism
- Cell Movement
- Cell Proliferation
- Child
- Gene Expression Regulation, Neoplastic
- Humans
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Prodrugs/administration & dosage
- Prognosis
- Protein Kinase Inhibitors/pharmacology
- Protein Serine-Threonine Kinases/antagonists & inhibitors
- Protein Serine-Threonine Kinases/genetics
- Protein Serine-Threonine Kinases/metabolism
- Proto-Oncogene Proteins/antagonists & inhibitors
- Proto-Oncogene Proteins/genetics
- Proto-Oncogene Proteins/metabolism
- RNA Interference
- RNA, Messenger/antagonists & inhibitors
- RNA, Messenger/genetics
- Tumor Cells, Cultured
- Tumor Suppressor Proteins/antagonists & inhibitors
- Tumor Suppressor Proteins/genetics
- Tumor Suppressor Proteins/metabolism
- Polo-Like Kinase 1
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Affiliation(s)
- Iryna Kolosenko
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Oksana Goroshchuk
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Linda Vidarsdottir
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Ann-Charlotte Björklund
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Steven F Dowdy
- Department of Cellular & Molecular Medicine, UCSD School of Medicine, La Jolla, CA, USA
| | - Caroline Palm-Apergi
- Department of Laboratory Medicine, Biomolecular and Cellular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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22
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Cortes J, Podoltsev N, Kantarjian H, Borthakur G, Zeidan AM, Stahl M, Taube T, Fagan N, Rajeswari S, Uy GL. Phase 1 dose escalation trial of volasertib in combination with decitabine in patients with acute myeloid leukemia. Int J Hematol 2021; 113:92-99. [PMID: 32951163 DOI: 10.1007/s12185-020-02994-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 06/19/2020] [Accepted: 09/07/2020] [Indexed: 11/30/2022]
Abstract
Polo-like kinase 1 (PLK1) regulates mitotic checkpoints and cell division. PLK1 overexpression is reported in numerous cancers, including acute myeloid leukemia (AML), and is associated with poor prognosis. Volasertib is a selective, potent cell-cycle kinase inhibitor that targets PLK to induce mitotic arrest and apoptosis. This phase 1 trial investigated the maximum tolerated dose (MTD), safety, pharmacokinetics, and anti-leukemic activity of volasertib in combination with decitabine in AML patients aged ≥ 65 years. Thirteen patients were treated with escalating volasertib doses (3 + 3 design; 300 mg, 350 mg, and 400 mg) plus standard-dose decitabine. Dose-limiting toxicity was reported in one patient in cycle 1; the MTD of volasertib in combination with decitabine was determined as 400 mg. The most common treatment-emergent adverse events were febrile neutropenia, pneumonia, and decreased appetite. Objective response rate was 23%. The combination was well tolerated, and the adverse event profile was in line with previous findings.
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Affiliation(s)
- Jorge Cortes
- Department of Leukemia, Anderson Cancer Center, University of Texas, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
| | - Nikolai Podoltsev
- Department of Internal Medicine, Hematology Section, Yale University School of Medicine, New Haven, CT, USA
| | - Hagop Kantarjian
- Department of Leukemia, Anderson Cancer Center, University of Texas, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Gautam Borthakur
- Department of Leukemia, Anderson Cancer Center, University of Texas, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Amer M Zeidan
- Department of Internal Medicine, Hematology Section, Yale University School of Medicine, New Haven, CT, USA
| | - Maximilian Stahl
- Department of Internal Medicine, Hematology Section, Yale University School of Medicine, New Haven, CT, USA
| | - Tillmann Taube
- Boehringer Ingelheim International GmbH, Biberach, Germany
| | - Nora Fagan
- Boehringer Ingelheim Pharmaceuticals, Inc, Ridgefield, CT, USA
| | | | - Geoffrey L Uy
- Division of Oncology, Washington University School of Medicine, St. Louis, MO, USA
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23
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Zeidan AM, Ridinger M, Lin TL, Becker PS, Schiller GJ, Patel PA, Spira AI, Tsai ML, Samuëlsz E, Silberman SL, Erlander M, Wang ES. A Phase Ib Study of Onvansertib, a Novel Oral PLK1 Inhibitor, in Combination Therapy for Patients with Relapsed or Refractory Acute Myeloid Leukemia. Clin Cancer Res 2020; 26:6132-6140. [DOI: 10.1158/1078-0432.ccr-20-2586] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/24/2020] [Accepted: 09/25/2020] [Indexed: 11/16/2022]
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24
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PROteolysis TArgetting Chimeras (PROTACs) Strategy Applied to Kinases: Recent Advances. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000148] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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25
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Kirtonia A, Pandya G, Sethi G, Pandey AK, Das BC, Garg M. A comprehensive review of genetic alterations and molecular targeted therapies for the implementation of personalized medicine in acute myeloid leukemia. J Mol Med (Berl) 2020; 98:1069-1091. [PMID: 32620999 DOI: 10.1007/s00109-020-01944-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/18/2020] [Accepted: 06/22/2020] [Indexed: 12/17/2022]
Abstract
Acute myeloid leukemia (AML) is an extremely heterogeneous disease defined by the clonal growth of myeloblasts/promyelocytes not only in the bone marrow but also in peripheral blood and/or tissues. Gene mutations and chromosomal abnormalities are usually associated with aberrant proliferation and/or block in the normal differentiation of hematopoietic cells. So far, the combination of cytogenetic profiling and molecular and gene mutation analyses remains an essential tool for the classification, diagnosis, prognosis, and treatment for AML. This review gives an overview on how the development of novel innovative technologies has allowed us not only to detect the genetic alterations as early as possible but also to understand the molecular pathogenesis of AML to develop novel targeted therapies. We also discuss the remarkable advances made during the last decade to understand the AML genome both at primary and relapse diseases and how genetic alterations might influence the distinct biological groups as well as the clonal evolution of disease during the diagnosis and relapse. Also, the review focuses on how the persistence of epigenetic gene mutations during morphological remission is associated with relapse. It is suggested that along with the prognostic and therapeutic mutations, the novel molecular targeted therapies either approved by FDA or those under clinical trials including CART-cell therapy would be of immense importance in the effective management of AML.
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Affiliation(s)
- Anuradha Kirtonia
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, 201313, India
| | - Gouri Pandya
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, 201313, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore
| | - Amit Kumar Pandey
- Amity Institute of Biotechnology (AIB), Amity University, Gurgaon, Haryana, 122413, India
| | - Bhudev C Das
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, 201313, India
| | - Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Noida, Uttar Pradesh, 201313, India.
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26
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Green SD, Konig H. Treatment of Acute Myeloid Leukemia in the Era of Genomics-Achievements and Persisting Challenges. Front Genet 2020; 11:480. [PMID: 32536937 PMCID: PMC7267060 DOI: 10.3389/fgene.2020.00480] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 04/17/2020] [Indexed: 01/15/2023] Open
Abstract
Acute myeloid leukemia (AML) represents a malignant disorder of the hematopoietic system that is mainly characterized by rapid proliferation, dysregulated apoptosis, and impaired differentiation of leukemic blasts. For several decades, the diagnostic approach in AML was largely based on histologic characteristics with little impact on the treatment decision-making process. This perspective has drastically changed within the past years due to the advent of novel molecular technologies, such as whole genome next-generation sequencing (NGS), and the resulting knowledge gain in AML biology and pathogenesis. After more than four decades of intensive chemotherapy as a "one-size-fits-all" concept, several targeted agents have recently been approved for the treatment of AML, either as single agents or as part of combined treatment regimens. Several other compounds, directed against regulators of apoptotic, epigenetic, or microenvironmental pathways, as well as modulators of the immune system, are currently in development and being investigated in clinical trials. The constant progress in AML research has started to produce improved survival rates and fueled hopes that a once rapidly fatal disease can be transformed into a chronic condition. In this review, the authors provide a summary of recent advances in the development of targeted AML therapies and discuss persistent challenges.
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Affiliation(s)
| | - Heiko Konig
- Melvin and Bren Simon Comprehensive Cancer Center, Indiana University, Indianapolis, IN, United States
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27
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Galusic D, Lucijanic M, Livun A, Radman M, Blaslov V, Vicelic Cutura L, Petric M, Miljak A, Lucijanic J, Drmic Hofman I, Kusec R. Higher AURKA and PLK1 expression are associated with inferior overall survival in patients with myelofibrosis. Blood Cells Mol Dis 2020; 81:102396. [PMID: 31837568 DOI: 10.1016/j.bcmd.2019.102396] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/02/2019] [Accepted: 12/02/2019] [Indexed: 01/28/2023]
Abstract
Aurora-kinase-A (AURKA), BORA and Polo-like-kinase-1 (PLK1) are regulating cell-cycle control and promotion of mitosis entry. AURKA contributes to Janus-kinase-2 (JAK2) activation and increased AURKA protein levels were reported in CD34+ and CD41+ cells of myeloproliferative neoplasm patients, leading to aneuploidy and aberrant megakaryopoiesis. We aimed to investigate AURKA, BORA and PLK1 mRNA expression in unfractionated bone-marrow aspirates of 43 patients with myelofibrosis (28 primary-/PMF, 15 secondary-myelofibrosis/SMF) and 12 controls and to assess their clinical correlations. AURKA expression did not significantly differ between myelofibrosis and controls (P = 0.466). Higher AURKA expression was significantly associated with higher absolute monocyte-count (P = 0.024) and shorter overall survival (HR = 3.77; P = 0.012). Patients with both PMF and SMF had lower BORA expression than controls (P = 0.009). Higher BORA expression was significantly associated with absence of constitutional symptoms (P = 0.049), absence of circulatory blasts (P = 0.047), higher monocyte- (P = 0.040) and higher eosinophil-counts (P = 0.016) and had neutral effect on survival (P > 0.05). PLK1 expression did not significantly differ between myelofibrosis and controls (P = 0.103). Higher PLK1 expression was significantly associated with higher white-blood-cell-count (P = 0.042) and inferior overall survival (HR = 5.87; P = 0.003). In conclusion, AURKA, BORA and PLK1 are involved in pathogenesis of myelofibrosis and may affect survival. Future studies investigating these interesting associations are warranted.
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Affiliation(s)
- Davor Galusic
- Department of Hematology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia
| | - Marko Lucijanic
- Hematology Department, University Hospital Dubrava, Av. Gojka Suska 6, 10000 Zagreb, Croatia
| | - Ana Livun
- Clinical Institute of Laboratory Diagnosis, Division of Molecular Diagnosis and Genetics, University Hospital Dubrava, Av. Gojka Suska 6, 10000 Zagreb, Croatia
| | - Maja Radman
- Department of Endocrinology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia; School of Medicine, University of Split, Soltanska 2, 21000 Split, Croatia
| | - Viktor Blaslov
- Department of Hematology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia
| | - Lucana Vicelic Cutura
- Department of Hematology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia
| | - Marija Petric
- Department of Hematology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia
| | - Antonija Miljak
- Department of Hematology, University Hospital of Split, Soltanska 1, 21000 Split, Croatia
| | - Jelena Lucijanic
- Health Care Center Zagreb-West, Prilaz Baruna Filipovića 11, 10000 Zagreb, Croatia
| | - Irena Drmic Hofman
- School of Medicine, University of Split, Soltanska 2, 21000 Split, Croatia; Department of Pathology, Forensic Medicine and Cytology, University Hospital of Split, Spinciceva 1, 21000 Split, Croatia
| | - Rajko Kusec
- Hematology Department, University Hospital Dubrava, Av. Gojka Suska 6, 10000 Zagreb, Croatia; Clinical Institute of Laboratory Diagnosis, Division of Molecular Diagnosis and Genetics, University Hospital Dubrava, Av. Gojka Suska 6, 10000 Zagreb, Croatia; School of Medicine, University of Zagreb, Salata 3, Zagreb, Croatia.
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28
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Goroshchuk O, Vidarsdottir L, Björklund AC, Hamil AS, Kolosenko I, Dowdy SF, Palm-Apergi C. Targeting Plk1 with siRNNs in primary cells from pediatric B-cell acute lymphoblastic leukemia patients. Sci Rep 2020; 10:2688. [PMID: 32060361 PMCID: PMC7021816 DOI: 10.1038/s41598-020-59653-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 12/19/2019] [Indexed: 11/09/2022] Open
Abstract
B-cell acute lymphoblastic leukemia (B-ALL) accounts for nearly one fifth of all childhood cancers and current challenges in B-ALL treatment include resistance, relapse and late-onset side effects due to the chemotherapy. To overcome these hurdles, novel therapies need to be investigated. One promising target is Polo-like kinase 1 (Plk1), a key regulator of the cell cycle. In this study, the Plk family expression is investigated in primary peripheral blood and bone marrow mononuclear cells from ten pediatric B-ALL patients. For the first time, short interfering RiboNucleic Neutrals (siRNNs) that enter cells without a transfection reagent are used to target Plk1 mRNA in primary cells from pediatric B-ALL patients. Our results show that the expression of Plk1 and Plk4 is significantly higher in pediatric B-ALL patients compared to healthy donors. Moreover, treatment of primary peripheral blood and bone marrow mononuclear cells from pediatric B-ALL patients, cultured ex vivo, with Plk1-targeting siRNNs results in cleavage of Plk1 mRNA. Importantly, the Plk1 knockdown is specific and does not affect other Plk members in contrast to many small molecule Plk1 inhibitors. Thus, Plk1 is a potential therapeutic target in pediatric B-ALL and selective targeting of Plk1 can be achieved by the use of siRNNs.
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Affiliation(s)
- Oksana Goroshchuk
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Linda Vidarsdottir
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Ann-Charlotte Björklund
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Alexander S Hamil
- Department of Cellular & Molecular Medicine, UCSD School of Medicine, La Jolla, California, USA
| | - Iryna Kolosenko
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Steven F Dowdy
- Department of Cellular & Molecular Medicine, UCSD School of Medicine, La Jolla, California, USA
| | - Caroline Palm-Apergi
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden.
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29
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Dill V, Kauschinger J, Hauch RT, Buschhorn L, Odinius TO, Müller-Thomas C, Mishra R, Kyncl MC, Schmidt B, Prodinger PM, Hempel D, Bellos F, Höllein A, Kern W, Haferlach T, Slotta-Huspenina J, Bassermann F, Peschel C, Götze KS, Waizenegger IC, Höckendorf U, Jost PJ, Jilg S. Inhibition of PLK1 by capped-dose volasertib exerts substantial efficacy in MDS and sAML while sparing healthy haematopoiesis. Eur J Haematol 2020; 104:125-137. [PMID: 31758597 DOI: 10.1111/ejh.13354] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Targeting the cell cycle machinery represents a rational therapeutic approach in myelodysplastic syndromes (MDS) and secondary acute myeloid leukemia (sAML). Despite substantial response rates, clinical use of the PLK inhibitor volasertib has been hampered by elevated side effects such as neutropenia and infections. OBJECTIVES The primary objective was to analyse whether a reduced dose of volasertib was able to limit toxic effects on the healthy haematopoiesis while retaining its therapeutic effect. METHODS Bone marrow mononuclear cells (BMMNCs) of patients with MDS/sAML (n = 73) and healthy controls (n = 28) were treated with volasertib (1 μM to 1 nM) or vehicle control. Short-term viability analysis was performed by flow cytometry after 72 hours. For long-term viability analysis, colony-forming capacity was assessed after 14 days. Protein expression of RIPK3 and MCL-1 was quantified via flow cytometry. RESULTS Reduced dose levels of volasertib retained high cell death-inducing efficacy in primary human stem and progenitor cells of MDS/sAML patients without affecting healthy haematopoiesis in vitro. Interestingly, volasertib reduced colony-forming capacity and cell survival independent of clinical stage or mutational status. CONCLUSIONS Volasertib offers a promising therapeutic approach in patients with adverse prognostic profile. RIPK3 and MCL-1 might be potential biomarkers for sensitivity to volasertib treatment.
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Affiliation(s)
- Veronika Dill
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Johanna Kauschinger
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Richard T Hauch
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Lars Buschhorn
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Timo O Odinius
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Catharina Müller-Thomas
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Ritu Mishra
- Institute of Clinical Chemistry and Pathobiochemistry, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Michele C Kyncl
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | | | - Peter M Prodinger
- Department of Orthopedic Surgery, Klinikum rechts der Isar, Technische Universität München, Germany
| | - Dirk Hempel
- Onkologiezentrum Donauwörth, Donauworth, Germany
| | | | | | | | | | - Julia Slotta-Huspenina
- Institute of Pathology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Florian Bassermann
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK), DKFZ, Heidelberg, Germany
| | - Christian Peschel
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Katharina S Götze
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | | | - Ulrike Höckendorf
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Philipp J Jost
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- German Cancer Consortium (DKTK), DKFZ, Heidelberg, Germany
| | - Stefanie Jilg
- Medical Department III for Haematology and Oncology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
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30
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Mu X, Bai L, Xu Y, Wang J, Lu H. Protein targeting chimeric molecules specific for dual bromodomain 4 (BRD4) and Polo-like kinase 1 (PLK1) proteins in acute myeloid leukemia cells. Biochem Biophys Res Commun 2020; 521:833-839. [PMID: 31708096 DOI: 10.1016/j.bbrc.2019.11.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 11/02/2019] [Indexed: 12/18/2022]
Abstract
Proteolysis targeting chimeras (PROTACs) are hetero-bifunctional molecules that could simultaneously bind to the target protein and the E3 ubiquitin ligase, thereby leading to selective degradation of the target protein. Polo-like kinase 1 (PLK1) and bromodomain 4 (BRD4) are both attractive therapeutic targets in acute myeloid leukemia (AML). Here, we developed a small-molecule BRD4 and PLK1 degrader HBL-4 based on PROTAC technology, which leads to fast, efficient, and prolonged degradation of BRD4 and PLK1 in MV4-11 cells tested in vitro and vivo, and potent anti-proliferation and BRD4 and PLK1 degradation ability in human acute leukemia MOLM-13 and KG1 cells. Meanwhile, HBL-4 more effectively suppresses c-Myc levels than inhibitor BI2536, resulting in more effective inducing apoptosis activity in MV4-11 cells. At the same time, HBL-4 induced dramatically improved efficacy in the MV4-11 tumor xenograft model as compared with BI2536. This study is, to our knowledge, the first reports about dual PLK1 and BRD4 degraders, which potentially represents an important therapeutic advance in the treatment of cancer.
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MESH Headings
- Animals
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Apoptosis/drug effects
- Cell Cycle Proteins/metabolism
- Cell Line, Tumor
- Cell Movement/drug effects
- Cell Survival/drug effects
- Gene Expression Regulation, Leukemic/drug effects
- Genes, myc
- Humans
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Mice, SCID
- Molecular Targeted Therapy
- Protein Serine-Threonine Kinases/metabolism
- Proteolysis/drug effects
- Proto-Oncogene Proteins/metabolism
- Pteridines/chemistry
- Small Molecule Libraries/chemistry
- Small Molecule Libraries/pharmacology
- Transcription Factors/metabolism
- Xenograft Model Antitumor Assays
- Polo-Like Kinase 1
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Affiliation(s)
- Xupeng Mu
- Department of Central Laboratory, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Liting Bai
- College of Pharmacy, Jilin University, Changchun, China
| | - Yingju Xu
- College of Pharmacy, Jilin University, Changchun, China
| | - Jingyao Wang
- School of Science, China Pharmaceutical University, Nanjing, China
| | - Haibin Lu
- College of Pharmacy, Jilin University, Changchun, China.
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31
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Huggins DJ, Hardwick BS, Sharma P, Emery A, Laraia L, Zhang F, Narvaez AJ, Roberts-Thomson M, Crooks AT, Boyle RG, Boyce R, Walker DW, Mateu N, McKenzie GJ, Spring DR, Venkitaraman AR. Development of a Novel Cell-Permeable Protein-Protein Interaction Inhibitor for the Polo-box Domain of Polo-like Kinase 1. ACS OMEGA 2020; 5:822-831. [PMID: 31956833 PMCID: PMC6964520 DOI: 10.1021/acsomega.9b03626] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/13/2019] [Indexed: 05/10/2023]
Abstract
Polo-like kinase 1 (PLK1) is a key regulator of mitosis and a recognized drug target for cancer therapy. Inhibiting the polo-box domain of PLK1 offers potential advantages of increased selectivity and subsequently reduced toxicity compared with targeting the kinase domain. However, many if not all existing polo-box domain inhibitors have been shown to be unsuitable for further development. In this paper, we describe a novel compound series, which inhibits the protein-protein interactions of PLK1 via the polo-box domain. We combine high throughput screening with molecular modeling and computer-aided design, synthetic chemistry, and cell biology to address some of the common problems with protein-protein interaction inhibitors, such as solubility and potency. We use molecular modeling to improve the solubility of a hit series with initially poor physicochemical properties, enabling biophysical and biochemical characterization. We isolate and characterize enantiomers to improve potency and demonstrate on-target activity in both cell-free and cell-based assays, entirely consistent with the proposed binding model. The resulting compound series represents a promising starting point for further progression along the drug discovery pipeline and a new tool compound to study kinase-independent PLK functions.
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Affiliation(s)
- David J. Huggins
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
- TCM
Group, Cavendish Laboratory, University
of Cambridge, 19 JJ Thomson
Avenue, Cambridge CB3 0HE, United Kingdom
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Bryn S. Hardwick
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Pooja Sharma
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Amy Emery
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Luca Laraia
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Fengzhi Zhang
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Ana J. Narvaez
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Meredith Roberts-Thomson
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Alex T. Crooks
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - Robert G. Boyle
- Sentinel
Oncology Ltd., Cambridge Science Park, Milton Road, Cambridge CB4 0EY, United Kingdom
| | - Richard Boyce
- Sentinel
Oncology Ltd., Cambridge Science Park, Milton Road, Cambridge CB4 0EY, United Kingdom
| | - David W. Walker
- Sentinel
Oncology Ltd., Cambridge Science Park, Milton Road, Cambridge CB4 0EY, United Kingdom
| | - Natalia Mateu
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Grahame J. McKenzie
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
| | - David R. Spring
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Ashok R. Venkitaraman
- Medical
Research Council Cancer Cell Unit, Hutchison/MRC Research Centre, University of Cambridge, Hills Road, Cambridge CB2 2XZ, United Kingdom
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32
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Shaikh I, Ansari A, Ayachit G, Gandhi M, Sharma P, Bhairappanavar S, Joshi CG, Das J. Differential gene expression analysis of HNSCC tumors deciphered tobacco dependent and independent molecular signatures. Oncotarget 2019; 10:6168-6183. [PMID: 31692905 PMCID: PMC6817442 DOI: 10.18632/oncotarget.27249] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/16/2019] [Indexed: 12/15/2022] Open
Abstract
Head and neck cancer is the sixth most common cancer worldwide, with tobacco as the leading cause. However, it is increasing in non-tobacco users also, hence limiting our understanding of its underlying molecular mechanisms. RNA-seq analysis of cancers has proven as effective tool in understanding disease etiology. In the present study, RNA-Seq of 86 matched Tumor/Normal pairs, of tobacco smoking (TOB) and non-smokers (N-TOB) HNSCC samples analyzed, followed by validation on 375 similar datasets. Total 2194 and 2073 differentially expressed genes were identified in TOB and N-TOB tumors, respectively. GO analysis found muscle contraction as the most enriched biological process in both TOB and N-TOB tumors. Pathway analysis identified muscle contraction and salivary secretion pathways enriched in both categories, whereas calcium signaling and neuroactive ligand-receptor pathway was more enriched in TOB and N-TOB tumors respectively. Network analysis identified muscle development related genes as hub node i. e. ACTN2, MYL2 and TTN in both TOB and N-TOB tumors, whereas EGFR and MYH6, depicts specific role in TOB and N-TOB tumors. Additionally, we found enriched gene networks possibly be regulated by tumor suppressor miRNAs such as hsa-miR-29/a/b/c, hsa-miR-26b-5p etc., suggestive to be key riboswitches in regulatory cascade of HNSCC. Interestingly, three genes PKLR, CST1 and C17orf77 found to show opposite regulation in each category, hence suggested to be key genes in separating TOB from N-TOB tumors. Our investigation identified key genes involved in important pathways implicated in tobacco dependent and independent carcinogenesis hence may help in designing precise HNSCC diagnostics and therapeutics strategies.
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Affiliation(s)
- Inayatullah Shaikh
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Afzal Ansari
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Garima Ayachit
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Monika Gandhi
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Priyanka Sharma
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Shivarudrappa Bhairappanavar
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Chaitanya G. Joshi
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
| | - Jayashankar Das
- Gujarat Biotechnology Research Centre (GBRC), Department of Science and Technology (DST), Government of Gujarat, Gandhinagar 382011, India
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33
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Doz F, Locatelli F, Baruchel A, Blin N, De Moerloose B, Frappaz D, Dworzak M, Fischer M, Stary J, Fuertig R, Riemann K, Taube T, Reinhardt D. Phase I dose-escalation study of volasertib in pediatric patients with acute leukemia or advanced solid tumors. Pediatr Blood Cancer 2019; 66:e27900. [PMID: 31276318 DOI: 10.1002/pbc.27900] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 05/17/2019] [Accepted: 05/29/2019] [Indexed: 11/10/2022]
Abstract
BACKGROUND Volasertib induces mitotic arrest and apoptosis by targeting Polo-like kinases. In this phase I dose-escalation study, the maximum tolerated dose (MTD), pharmacokinetics (PK), and preliminary efficacy of volasertib were determined in pediatric patients. METHODS Patients aged 2 to <18 years with relapsed/refractory acute leukemia/advanced solid tumors (ST) without available effective treatments were enrolled-cohort C1 (aged 2 to <12 years); cohort C2 (aged 12 to <18 years). The patients received volasertib intravenously (starting dose: 200 mg/m2 body surface area on day 1, every 14 days). The primary endpoint was the pediatric MTD for further development. RESULTS Twenty-two patients received treatment (C1: leukemia, n = 4; ST, n = 8; C2: leukemia, n = 3; ST, n = 7). No dose-limiting toxicities (DLTs) occurred up to 300 mg/m2 volasertib in C1; two patients in C2, at 250 mg/m2 volasertib, had DLTs in cycle 1, one of which led to death; therefore, the MTD of volasertib in C2 was 200 mg/m2 . The most common grade 3/4 adverse events (all patients) were febrile neutropenia, thrombocytopenia, and neutropenia (41% each). Stable disease (SD) was the best objective response (leukemia, n = 5; ST, n = 2); the duration of SD was short in all patients, except in one with an ST. PK profiles were generally comparable across dose groups and were consistent with those in adults. CONCLUSION The pediatric MTD/dose for further development was identified. There were no unexpected safety or PK findings; limited antitumor/antileukemic activity was demonstrated.
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Affiliation(s)
- François Doz
- Oncology Center SIREDO (Care Innovation and Research for Children, Adolescents and Young Adults with Cancer), Institute Curie and University Paris Descartes, Paris, France
| | - Franco Locatelli
- Department of Paediatric Haematology and Oncology, IRCCS (Istituto di Recovero e Cura a Carattere Scientifico), Bambino Gesù Children's Hospital, Sapienza University of Rome, Rome, Italy
| | - André Baruchel
- Department of Paediatric Haemato-immunology, Hôpital Robert Debré (APHP), University Paris Diderot, Paris, France
| | - Nicolas Blin
- Paediatric Haematology and Oncology, Hôpital Mère-Enfant, CHU de Nantes, Nantes, France
| | - Barbara De Moerloose
- Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium
| | - Didier Frappaz
- Paediatric Oncology Department, Léon Bérard Centre, Lyon, France
| | - Michael Dworzak
- St. Anna Children's Hospital, Department of Paediatrics, Medical University of Vienna, Vienna, Austria
| | - Matthias Fischer
- Department of Experimental Paediatric Oncology, University Children's Hospital Cologne, Centre of Molecular Medicine, Medical Faculty, University of Cologne, Cologne, Germany
| | - Jan Stary
- Department of Paediatric Haematology and Oncology, University Hospital Motol, Prague, Czech Republic
| | - Rene Fuertig
- Translational Medicine and Clinical Pharmacology, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Kathrin Riemann
- Clinical Operations, Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim, Germany
| | - Tillmann Taube
- Medical Oncology, Boehringer Ingelheim International GmbH, Biberach, Germany
| | - Dirk Reinhardt
- Department of Paediatrics, University Hospital Essen, Essen, Germany
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34
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Min KI, Park S, Shin SH, Kwon YR, Kim HJ, Kim YJ. Enhanced polo-like kinase 1 expression in myelodysplastic syndromes. Blood Res 2019; 54:102-107. [PMID: 31309087 PMCID: PMC6614105 DOI: 10.5045/br.2019.54.2.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 11/22/2018] [Accepted: 11/25/2018] [Indexed: 11/17/2022] Open
Abstract
Background Cancer is characterized by uncontrolled cellular proliferation, and Polo-like kinase 1 (PLK1), a key regulator of the cell cycle, is overexpressed in many cancers, including acute leukemia and lymphoma. However, the dynamics of PLK1 transcription in myelodysplastic syndromes (MDS) are unknown. This study aimed to investigate the transcript dynamics of PLK1 and determine its role in the pathophysiology of MDS. Methods PLK1 mRNA obtained from the bone marrow samples of 67 patients with MDS, 16 patients with secondary acute myeloid leukemia (sAML), and 10 healthy controls were analyzed using quantitative real-time PCR and compared according to various clinical parameters. Results The median PLK1 expression levels differed slightly, but not significantly, between MDS and sAML patients [661.21 (range, 29.38-8,987.31) vs. 1,462.05 (32.22-5,734.09), respectively], but were significantly higher (P<0.001) than the levels in the healthy controls [19.0 (1.60-49.90)]. Further analyses of PLK1 levels according to the WHO classification of MDS, prognostic risk groups, karyotype risk groups, marrow blast percentage, and depth of cytopenia did not reveal any significant associations. In patients progressing to sAML, PLK1 expression levels differed significantly according to the presence or absence of resistance to hypomethylation treatment (2,470.58 vs. 415.98, P=0.03). Conclusion PLK1 is upregulated in MDS patients; however, its role in the pathophysiology of MDS is unclear. Gene upregulation in cases with pharmacotherapeutic resistance warrants further investigation.
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Affiliation(s)
- Kyoung Il Min
- Division of Hematology, Department of Internal Medicine, Seoul St. Mary's Hematology Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Silvia Park
- Division of Hematology, Department of Internal Medicine, Seoul St. Mary's Hematology Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung-Hwan Shin
- Department of Hematology, Yeoido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yong-Rim Kwon
- Laboratory of Hematological Disease and Immunology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hye-Joung Kim
- Laboratory of Hematological Disease and Immunology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yoo Jin Kim
- Laboratory of Hematological Disease and Immunology, College of Medicine, The Catholic University of Korea, Seoul, Korea.,Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
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35
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Goroshchuk O, Kolosenko I, Vidarsdottir L, Azimi A, Palm-Apergi C. Polo-like kinases and acute leukemia. Oncogene 2019; 38:1-16. [PMID: 30104712 DOI: 10.1038/s41388-018-0443-5] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 07/09/2018] [Accepted: 07/20/2018] [Indexed: 12/17/2022]
Abstract
Acute leukemia is a common malignancy among children and adults worldwide and many patients suffer from chronic health issues using current therapeutic approaches. Therefore, there is a great need for the development of novel and more specific therapies with fewer side effects. The family of Polo-like kinases (Plks) is a group of five serine/threonine kinases that play an important role in cell cycle regulation and are critical targets for therapeutic invention. Plk1 and Plk4 are novel targets for cancer therapy as leukemic cells often express higher levels than normal cells. In contrast, Plk2 and Plk3 are considered to be tumor suppressors. Several small molecule inhibitors have been developed for targeting Plk1 inhibition. Despite reaching phase III clinical trials, one of the ATP-competitive Plk1 inhibitor, volasertib, did not induce an objective clinical response and even caused lethal side effects in some patients. In order to improve the specificity of the Plk1 inhibitors and reduce off-target side effects, novel RNA interference (RNAi)-based therapies have been developed. In this review, we summarize the mechanisms of action of the Plk family members in acute leukemia, describe preclinical studies and clinical trials involving Plk-targeting drugs and discuss novel approaches in Plk targeting.
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Affiliation(s)
- Oksana Goroshchuk
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Iryna Kolosenko
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Linda Vidarsdottir
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Alireza Azimi
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Caroline Palm-Apergi
- Department of Laboratory Medicine, Clinical Research Center, Karolinska Institutet, Stockholm, Sweden.
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36
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Li HY, Luo F, Li XY, Fu XF, He JF, Tian YZ, Zhu JJ, Chu XY, Zhao HL. Inhibition of Polo-Like Kinase 1 by BI2536 Reverses the Multidrug Resistance of Human Hepatoma Cells In Vitro and In Vivo. Anticancer Agents Med Chem 2019; 19:740-749. [PMID: 30836927 DOI: 10.2174/1871520619666190301145637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 01/17/2019] [Accepted: 02/13/2019] [Indexed: 12/24/2022]
Abstract
BACKGROUND Multi Drug Resistance (MDR) is the phenomenon that cancers develop resistance to majority of chemotherapy drugs and is a serious obstacle to the treatment for Hepatocellular Carcinoma (HCC). Polo-Like Kinase 1 (PLK1) is a serine/threonine kinase associated with tumor growth and clinical prognosis in HCC and BI2536 is its potent inhibitor with IC50 of 0.83nM. AIMS To test whether the down-regulation of PLK1 by its inhibitor BI2536 would have beneficial effects on the reversal of MDR in HCC cells. METHODS The CCK-8 assay was used to determine the viability of HepG2/ADM and SMMC7721/ADM cells and their parental cells treated with BI2536. Then animal model studies were performed. Cell invasion assay and wound healing assay were used to determine the invasion ability and motility. Flow cytometric was used to test the apoptosis induced by BI2536. Western blot and quantitative real-time PCR were performed to test the change of expression of MDR and apoptosis-related gene. RESULTS BI2536 down-regulated the expression of PLK1 protein and mRNA specifically. BI2536 can significantly reduce IC50 for ADM and other drugs in ADM-resistant HCC cells. Meanwhile, it inhibited cell viability, proliferation, and invasion, and induced cell cycle arrest and apoptosis in HCC cells with MDR. CONCLUSION Our results suggest that PLK1 inhibitor BI2536 can re-sensitize HCC cancer cell with MDR through induction of apoptosis. Thus, PLK1 inhibitor BI2536 may act as an effective chemotherapeutic drug in the clinical treatment of HCC patients with MDR.
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MESH Headings
- Animals
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Carcinoma, Hepatocellular/drug therapy
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Cycle Proteins/antagonists & inhibitors
- Cell Cycle Proteins/metabolism
- Cell Proliferation/drug effects
- Cell Survival/drug effects
- Dose-Response Relationship, Drug
- Drug Resistance, Multiple/drug effects
- Drug Resistance, Neoplasm/drug effects
- Drug Screening Assays, Antitumor
- Humans
- Liver Neoplasms/drug therapy
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Liver Neoplasms, Experimental/drug therapy
- Liver Neoplasms, Experimental/metabolism
- Liver Neoplasms, Experimental/pathology
- Male
- Mice
- Mice, Nude
- Molecular Structure
- Protein Kinase Inhibitors/chemistry
- Protein Kinase Inhibitors/pharmacology
- Protein Serine-Threonine Kinases/antagonists & inhibitors
- Protein Serine-Threonine Kinases/metabolism
- Proto-Oncogene Proteins/antagonists & inhibitors
- Proto-Oncogene Proteins/metabolism
- Pteridines/chemistry
- Pteridines/pharmacology
- Structure-Activity Relationship
- Tumor Cells, Cultured
- Polo-Like Kinase 1
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Affiliation(s)
- Hui Y Li
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Fei Luo
- Department of Breast Surgery, Shanxi Cancer Hospital, Taiyuan, Shanxi, 030013, P. R, China
| | - Xiao Y Li
- Department of Molecular Biology, Shanxi Cancer Hospital, Taiyuan, Shanxi, 030013, P. R, China
| | - Xi F Fu
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Jie F He
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Yan Z Tian
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Jun J Zhu
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Xin Y Chu
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
| | - Hao L Zhao
- Department of General Surgery, Shanxi Dayi Hospital, Taiyuan, Shanxi, 030032, P. R, China
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37
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Carmona-Martínez V, Ruiz-Alcaraz AJ, Vera M, Guirado A, Martínez-Esparza M, García-Peñarrubia P. Therapeutic potential of pteridine derivatives: A comprehensive review. Med Res Rev 2018; 39:461-516. [PMID: 30341778 DOI: 10.1002/med.21529] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 07/07/2018] [Accepted: 07/10/2018] [Indexed: 12/19/2022]
Abstract
Pteridines are aromatic compounds formed by fused pyrazine and pyrimidine rings. Many living organisms synthesize pteridines, where they act as pigments, enzymatic cofactors, or immune system activation molecules. This variety of biological functions has motivated the synthesis of a huge number of pteridine derivatives with the aim of studying their therapeutic potential. This review gathers the state-of-the-art of pteridine derivatives, describing their biological activities and molecular targets. The antitumor activity of pteridine-based compounds is one of the most studied and advanced therapeutic potentials, for which several molecular targets have been identified. Nevertheless, pteridines are also considered as very promising therapeutics for the treatment of chronic inflammation-related diseases. On the other hand, many pteridine derivatives have been tested for antimicrobial activities but, although some of them resulted to be active in preliminary assays, a deeper research is needed in this area. Moreover, pteridines may be of use in the treatment of many other diseases, such as diabetes, osteoporosis, ischemia, or neurodegeneration, among others. Thus, the diversity of the biological activities shown by these compounds highlights the promising therapeutic use of pteridine derivatives. Indeed, methotrexate, pralatrexate, and triamterene are Food and Drug Administration approved pteridines, while many others are currently under study in clinical trials.
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Affiliation(s)
- Violeta Carmona-Martínez
- Departamento de Bioquímica, Biología Molecular (B) e Inmunología, Facultad de Medicina, IMIB and Regional Campus of International Excellence "Campus Mare Nostrum," Universidad de Murcia, Murcia, Spain
| | - Antonio J Ruiz-Alcaraz
- Departamento de Bioquímica, Biología Molecular (B) e Inmunología, Facultad de Medicina, IMIB and Regional Campus of International Excellence "Campus Mare Nostrum," Universidad de Murcia, Murcia, Spain
| | - María Vera
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, Murcia, Spain
| | - Antonio Guirado
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, Murcia, Spain
| | - María Martínez-Esparza
- Departamento de Bioquímica, Biología Molecular (B) e Inmunología, Facultad de Medicina, IMIB and Regional Campus of International Excellence "Campus Mare Nostrum," Universidad de Murcia, Murcia, Spain
| | - Pilar García-Peñarrubia
- Departamento de Bioquímica, Biología Molecular (B) e Inmunología, Facultad de Medicina, IMIB and Regional Campus of International Excellence "Campus Mare Nostrum," Universidad de Murcia, Murcia, Spain
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38
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Brown A, Geiger H. Chromosome integrity checkpoints in stem and progenitor cells: transitions upon differentiation, pathogenesis, and aging. Cell Mol Life Sci 2018; 75:3771-3779. [PMID: 30066086 PMCID: PMC6154040 DOI: 10.1007/s00018-018-2891-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 07/22/2018] [Accepted: 07/25/2018] [Indexed: 01/30/2023]
Abstract
Loss of chromosome integrity is a major contributor to cancer. Checkpoints within the cell division cycle that facilitate the accuracy and outcome of chromosome segregation are thus critical pathways for preserving chromosome integrity and preventing chromosomal instability. The spindle assembly checkpoint, the decatenation checkpoint and the post-mitotic tetraploidy checkpoint ensure the appropriate establishment of the spindle apparatus, block mitotic entry upon entanglement of chromosomes or prevent further progression of post-mitotic cells that display massive spindle defects. Most of our knowledge on these mechanisms originates from studies conducted in yeast, cancer cell lines and differentiated cells. Considering that in many instances cancer derives from transformed stem and progenitor cells, our knowledge on these checkpoints in these cells just started to emerge. With this review, we provide a general overview of the current knowledge of these checkpoints in embryonic as well as in adult stem and progenitor cells with a focus on the hematopoietic system and outline common mis-regulations of their function associated with cancer and leukemia. Most cancers are aging-associated diseases. We will thus also discuss changes in the function and outcome of these checkpoints upon aging of stem and progenitor cells.
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Affiliation(s)
- Andreas Brown
- Institute of Molecular Medicine, Ulm University, Life Science Building N27, James Franck-Ring/Meyerhofstrasse, 89081, Ulm, Germany
| | - Hartmut Geiger
- Institute of Molecular Medicine, Ulm University, Life Science Building N27, James Franck-Ring/Meyerhofstrasse, 89081, Ulm, Germany.
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH, 45229, USA.
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Adam K, Cartel M, Lambert M, David L, Yuan L, Besson A, Mayeux P, Manenti S, Didier C. A PIM-CHK1 signaling pathway regulates PLK1 phosphorylation and function during mitosis. J Cell Sci 2018; 131:jcs213116. [PMID: 29976560 DOI: 10.1242/jcs.213116] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 06/15/2018] [Indexed: 11/20/2022] Open
Abstract
Although the kinase CHK1 is a key player in the DNA damage response (DDR), several studies have recently provided evidence of DDR-independent roles of CHK1, in particular following phosphorylation of its S280 residue. Here, we demonstrate that CHK1 S280 phosphorylation is cell cycle-dependent and peaks during mitosis. We found that this phosphorylation was catalyzed by the kinase PIM2, whose protein expression was also increased during mitosis. Importantly, we identified polo-like kinase 1 (PLK1) as a direct target of CHK1 during mitosis. Genetic or pharmacological inhibition of CHK1 reduced the activating phosphorylation of PLK1 on T210, and recombinant CHK1 was able to phosphorylate T210 of PLK1 in vitro Accordingly, S280-phosphorylated CHK1 and PLK1 exhibited similar specific mitotic localizations, and PLK1 was co-immunoprecipitated with S280-phosphorylated CHK1 from mitotic cell extracts. Moreover, CHK1-mediated phosphorylation of PLK1 was dependent on S280 phosphorylation by PIM2. Inhibition of PIM proteins reduced cell proliferation and mitotic entry, which was rescued by expressing a T210D phosphomimetic mutant of PLK1. Altogether, these data identify a new PIM-CHK1-PLK1 phosphorylation cascade that regulates different mitotic steps independently of the CHK1 DDR function.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Kévin Adam
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, 75014 Paris, France
- Ligue Nationale Contre le Cancer, équipe labellisée
| | - Maëlle Cartel
- Ligue Nationale Contre le Cancer, équipe labellisée
- Cancer Research Center of Toulouse, INSERM U1037, CNRS ERL 5294, Université de Toulouse, 31100 Toulouse, France
| | - Mireille Lambert
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, 75014 Paris, France
- Ligue Nationale Contre le Cancer, équipe labellisée
| | - Laure David
- Ligue Nationale Contre le Cancer, équipe labellisée
- Cancer Research Center of Toulouse, INSERM U1037, CNRS ERL 5294, Université de Toulouse, 31100 Toulouse, France
| | - Lingli Yuan
- Department of Hematology, The Second Xiangya Hospital, Central South University, No.139 Renmin Middle Road, Furong, Changsha, Hunan 410011, China
| | - Arnaud Besson
- Cancer Research Center of Toulouse, INSERM U1037, CNRS ERL 5294, Université de Toulouse, 31100 Toulouse, France
| | - Patrick Mayeux
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes, 75014 Paris, France
- Ligue Nationale Contre le Cancer, équipe labellisée
| | - Stéphane Manenti
- Ligue Nationale Contre le Cancer, équipe labellisée
- Cancer Research Center of Toulouse, INSERM U1037, CNRS ERL 5294, Université de Toulouse, 31100 Toulouse, France
| | - Christine Didier
- Ligue Nationale Contre le Cancer, équipe labellisée
- Cancer Research Center of Toulouse, INSERM U1037, CNRS ERL 5294, Université de Toulouse, 31100 Toulouse, France
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40
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Gopalakrishnan B, Cheney C, Mani R, Mo X, Bucci D, Walker A, Klisovic R, Bhatnagar B, Walsh K, Rueter B, Waizenegger IC, Heider KH, Blum W, Vasu S, Muthusamy N. Polo-like kinase inhibitor volasertib marginally enhances the efficacy of the novel Fc-engineered anti-CD33 antibody BI 836858 in acute myeloid leukemia. Oncotarget 2018. [PMID: 29515764 PMCID: PMC5839395 DOI: 10.18632/oncotarget.23880] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Acute myeloid leukemia (AML) is the second most common type of leukemia in adults. Incidence of AML increases with age with a peak incidence at 67 years. Patients older than 60 years have an unfavorable prognosis due to resistance to conventional chemotherapy. Volasertib (BI 6727) is a cell-cycle regulator targeting polo-like kinase which has been evaluated in clinical trials in AML. We evaluated effects of volasertib in primary patient samples and NK cells. At equivalent doses, volasertib is cytotoxic to AML blasts but largely spares healthy NK cells. We then evaluated the effect of volasertib treatment in combination with BI 836858 on primary AML blast samples using antibody-dependent cellular cytotoxicity (ADCC) assays. Volasertib treatment of NK cells did not impair NK function as evidenced by comparable levels of BI 836858 mediated ADCC in both volasertib-treated and control-treated NK cells. In summary, volasertib is cytotoxic to AML blasts while sparing NK cell viability and function. Higher BI 836858 mediated ADCC was observed in patient samples pretreated with volasertib. These findings provide a strong rationale to test combination of BI 836858 and volasertib in AML.
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Affiliation(s)
| | - Carolyn Cheney
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Rajeswaran Mani
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Xiaokui Mo
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Donna Bucci
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Alison Walker
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Rebecca Klisovic
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
| | - Bhavana Bhatnagar
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Katherine Walsh
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Bjoern Rueter
- Boehringer Ingelheim Pharma GmbH, Biberach/Riss, Germany
| | | | | | - William Blum
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
| | - Sumithira Vasu
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Natarajan Muthusamy
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.,Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
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41
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de Boer DV, Martens-de Kemp SR, Buijze M, Stigter-van Walsum M, Bloemena E, Dietrich R, Leemans CR, van Beusechem VW, Braakhuis BJ, Brakenhoff RH. Targeting PLK1 as a novel chemopreventive approach to eradicate preneoplastic mucosal changes in the head and neck. Oncotarget 2017; 8:97928-97940. [PMID: 29228663 PMCID: PMC5716703 DOI: 10.18632/oncotarget.17880] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 03/30/2017] [Indexed: 11/25/2022] Open
Abstract
Head and neck squamous cell carcinomas (HNSCC) and local relapses thereof develop in preneoplastic fields in the mucosal linings of the upper aerodigestive tract. These fields are characterized by tumor-associated genetic changes, are frequently dysplastic and occasionally macroscopically visible. Currently, no adequate treatment options exist to prevent tumor development. Array-based screening with a panel of tumor-lethal small interfering RNAs (siRNAs) identified Polo-like kinase 1 (PLK1) as essential for survival of preneoplastic cells. Inhibition of PLK1 caused cell death of preneoplastic and HNSCC cells, while primary cells were hardly affected. Both siRNAs and small molecule inhibitors caused a strong G2/M cell cycle arrest accompanied by formation of monopolar spindles. In a xenografted mouse model PLK1 caused a significant tumor growth delay and cures, while chemoradiation had no effect. Thus, PLK1 seems to be a promising target for chemopreventive treatment of preneoplastic cells, and could be applied to prevent HNSCC and local relapses.
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Affiliation(s)
- D. Vicky de Boer
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Sanne R. Martens-de Kemp
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Marijke Buijze
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Marijke Stigter-van Walsum
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Elisabeth Bloemena
- Department of Pathology, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
- Department of Maxillofacial Surgery/Oral Pathology, Academic Center for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | - Ralf Dietrich
- German Fanconi-Anemia-Help e.V., Unna-Siddinghausen, Germany
| | - C. René Leemans
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Victor W. van Beusechem
- Department of Medical Oncology, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Boudewijn J.M. Braakhuis
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
| | - Ruud H. Brakenhoff
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
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42
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Higuchi T, Hashida Y, Taniguchi A, Kamioka M, Daibata M. Differential gene expression profiling linked to tumor progression of splenic marginal zone lymphoma. Sci Rep 2017; 7:11026. [PMID: 28887496 PMCID: PMC5591298 DOI: 10.1038/s41598-017-11389-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 08/23/2017] [Indexed: 11/22/2022] Open
Abstract
The genetic events that lead to aggressive transformation of cases of splenic marginal zone lymphoma (SMZL) after the chronic clinical stage have not been well understood. We aimed to find candidate genes associated with aggressive features of SMZL. We have successfully established two SMZL cell lines, designated SL-15 and SL-22, derived from the same patient's tumor clone in chronic and aggressive phases, respectively. Microarray analysis identified cell cycle-associated genes-specifically PLK1-as the most significantly upregulated in primary aggressive SMZL cells compared with cells from chronic phase. EPHA4 and MS4A1 (CD20) were found to be downregulated dramatically. These gene expression patterns were reproduced in both cell lines. Genetic knockdown of PLK1 resulted in inhibition of cell proliferation and induction of apoptosis in SL-22 cells, which expressed higher levels of PLK1 than SL-15 cells. SL-22 cells needed higher concentrations of chemical PLK1 inhibitors to achieve greater effects. In addition, we found homozygous deletion of the MS4A1 gene as a newly identified molecular mechanism of CD20-negative conversion. Our findings are expected to stimulate further studies on whether PLK1 could be a potential therapeutic target for this tumor. Furthermore, cases with CD20-negatively converted lymphomas should be screened for the genomic loss of MS4A1.
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Affiliation(s)
- Tomonori Higuchi
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Yumiko Hashida
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Ayuko Taniguchi
- Department of Hematology and Respiratory Medicine, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Mikio Kamioka
- Department of Laboratory Medicine, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan
| | - Masanori Daibata
- Department of Microbiology and Infection, Kochi Medical School, Kochi University, Nankoku, Kochi, 783-8505, Japan.
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43
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McArthur K, D'Cruz AA, Segal D, Lackovic K, Wilks AF, O'Donnell JA, Nowell CJ, Gerlic M, Huang DCS, Burns CJ, Croker BA. Defining a therapeutic window for kinase inhibitors in leukemia to avoid neutropenia. Oncotarget 2017; 8:57948-57963. [PMID: 28938529 PMCID: PMC5601625 DOI: 10.18632/oncotarget.19678] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 06/09/2017] [Indexed: 11/25/2022] Open
Abstract
Neutropenia represents one of the major dose-limiting toxicities of many current cancer therapies. To circumvent the off-target effects of cytotoxic chemotherapeutics, kinase inhibitors are increasingly being used as an adjunct therapy to target leukemia. In this study, we conducted a screen of leukemic cell lines in parallel with primary neutrophils to identify kinase inhibitors with the capacity to induce apoptosis of myeloid and lymphoid cell lines whilst sparing primary mouse and human neutrophils. We have utilized a high-throughput live cell imaging platform to demonstrate that cytotoxic drugs have limited effects on neutrophil viability but are toxic to hematopoietic progenitor cells, with the exception of the topoisomerase I inhibitor SN-38. The parallel screening of kinase inhibitors revealed that mouse and human neutrophil viability is dependent on cyclin-dependent kinase (CDK) activity but surprisingly only partially dependent on PI3 kinase and JAK/STAT signaling, revealing dominant pathways contributing to neutrophil viability. Mcl-1 haploinsufficiency sensitized neutrophils to CDK inhibition, demonstrating that Mcl-1 is a direct target for CDK inhibitors. This study reveals a therapeutic window for the kinase inhibitors BEZ235, BMS-3, AZD7762, and (R)-BI-2536 to induce apoptosis of leukemia cell lines whilst maintaining immunocompetence and hemostasis.
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Affiliation(s)
- Kate McArthur
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Akshay A D'Cruz
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - David Segal
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Kurt Lackovic
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Andrew F Wilks
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Joanne A O'Donnell
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia.,Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Cameron J Nowell
- Monash Institute of Pharmaceutical Sciences, Melbourne, VIC, Australia
| | - Motti Gerlic
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Clinical Microbiology and Immunology, Tel Aviv University, Tel Aviv, Israel
| | - David C S Huang
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Christopher J Burns
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia.,School of Chemistry, Bio21, The University of Melbourne, Melbourne, VIC, Australia
| | - Ben A Croker
- Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia.,Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA.,Department of Pediatrics, Harvard Medical School, Boston, MA, USA
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44
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Archambault V, Normandin K. Several inhibitors of the Plk1 Polo-Box Domain turn out to be non-specific protein alkylators. Cell Cycle 2017; 16:1220-1224. [PMID: 28521657 PMCID: PMC5499904 DOI: 10.1080/15384101.2017.1325043] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 04/18/2017] [Accepted: 04/24/2017] [Indexed: 12/16/2022] Open
Abstract
For almost a decade, there has been much interest in the development of chemical inhibitors of Polo-like kinase 1 (Plk1) protein interactions. Plk1 is a master regulator of the cell division cycle that controls numerous substrates. It is a promising target for cancer drug development. Inhibitors of the kinase domain of Plk1 had some success in clinical trials. However, they are not perfectly selective. In principle, Plk1 can also be inhibited by interfering with its protein interaction domain, the Polo-Box Domain (PBD). Selective chemical inhibitors of the PBD would constitute tools to probe for PBD-dependent functions of Plk1 and could be advantageous in cancer therapy. The discovery of Poloxin and thymoquinone as PBD inhibitors indicated that small, cell-permeable chemical inhibitors could be identified. Other efforts followed, including ours, reporting additional molecules capable of blocking the PBD. It is now clear that, unfortunately, most of these compounds are non-specific protein alkylators (defined here as groups covalently added via a carbon) that have little or no potential for the development of real Plk1 PBD-specific drugs. This situation should be minded by biologists potentially interested in using these compounds to study Plk1. Further efforts are needed to develop selective, cell-permeable PBD inhibitors.
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Affiliation(s)
- Vincent Archambault
- Institute for Research in Immunology and Cancer, Université de Montréal, Montreal, Canada
- Département de biochimie et médecine moléculaire, Université de Montréal, Montreal, Canada
| | - Karine Normandin
- Institute for Research in Immunology and Cancer, Université de Montréal, Montreal, Canada
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45
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Nguyen T, Parker R, Hawkins E, Holkova B, Yazbeck V, Kolluri A, Kmieciak M, Rahmani M, Grant S. Synergistic interactions between PLK1 and HDAC inhibitors in non-Hodgkin's lymphoma cells occur in vitro and in vivo and proceed through multiple mechanisms. Oncotarget 2017; 8:31478-31493. [PMID: 28416758 PMCID: PMC5458223 DOI: 10.18632/oncotarget.15649] [Citation(s) in RCA: 14] [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: 08/17/2016] [Accepted: 11/22/2016] [Indexed: 01/06/2023] Open
Abstract
Interactions between the polo-like kinase 1 (PLK1) inhibitor volasertib and the histone deacetylase inhibitor (HDACI) belinostat were examined in diffuse large B-cell lymphoma (DLBCL) and mantle cell lymphoma (MCL) cells in vitro and in vivo. Exposure of DLBCL cells to very low concentrations of volasertib in combination with belinostat synergistically increased cell death (apoptosis). Similar interactions occurred in GC-, ABC-, double-hit DLBCL cells, MCL cells, bortezomib-resistant cells and primary lymphoma cells. Co-exposure to volasertib/belinostat induced a marked increase in M-phase arrest, phospho-histone H3, mitotic errors, cell death in M-phase, and DNA damage. Belinostat diminished c-Myc mRNA and protein expression, an effect significantly enhanced by volasertib co-exposure. c-Myc knock-down increased DNA damage and cell death in response to volasertib, arguing that c-Myc down-regulation plays a functional role in the lethality of this regimen. Notably, PLK1 knock-down in DLBCL cells significantly increased belinostat-induced M-phase accumulation, phospho-histone H3, γH2AX, and cell death. Co-administration of volasertib and belinostat dramatically reduced tumor growth in an ABC-DLBCL flank model (U2932) and a systemic double-hit lymphoma model (OCI-Ly18), accompanied by a pronounced increase in survival without significant weight loss or other toxicities. Together, these findings indicate that PLK1/HDAC inhibition warrants attention as a therapeutic strategy in NHL.
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Affiliation(s)
- Tri Nguyen
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Rebecca Parker
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Elisa Hawkins
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Beata Holkova
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Victor Yazbeck
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Akhil Kolluri
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Maciej Kmieciak
- Massey Cancer Center, Virginia Commonwealth University Health Sciences Center, Richmond, VA, USA
| | - Mohamed Rahmani
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Steven Grant
- Division of Hematology/Oncology, Department of Internal Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
- Departments of Biochemistry, Virginia Commonwealth University, Richmond, VA, USA
- Departments of Pharmacology, Virginia Commonwealth University, Richmond, VA, USA
- Virginia Institute for Molecular Medicine, Virginia Commonwealth University, Richmond, VA, USA
- Massey Cancer Center, Virginia Commonwealth University Health Sciences Center, Richmond, VA, USA
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46
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Blockade of vascular endothelial growth factor receptors by tivozanib has potential anti-tumour effects on human glioblastoma cells. Sci Rep 2017; 7:44075. [PMID: 28287096 PMCID: PMC5347040 DOI: 10.1038/srep44075] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/02/2017] [Indexed: 01/12/2023] Open
Abstract
Glioblastoma (GBM) remains one of the most fatal human malignancies due to its high angiogenic and infiltrative capacities. Even with optimal therapy including surgery, radiotherapy and temozolomide, it is essentially incurable. GBM is among the most neovascularised neoplasms and its malignant progression associates with striking neovascularisation, evidenced by vasoproliferation and endothelial cell hyperplasia. Targeting the pro-angiogenic pathways is therefore a promising anti-glioma strategy. Here we show that tivozanib, a pan-inhibitor of vascular endothelial growth factor (VEGF) receptors, inhibited proliferation of GBM cells through a G2/M cell cycle arrest via inhibition of polo-like kinase 1 (PLK1) signalling pathway and down-modulation of Aurora kinases A and B, cyclin B1 and CDC25C. Moreover, tivozanib decreased adhesive potential of these cells through reduction of intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1). Tivozanib diminished GBM cell invasion through impairing the proteolytic cascade of cathepsin B/urokinase-type plasminogen activator (uPA)/matrix metalloproteinase-2 (MMP-2). Combination of tivozanib with EGFR small molecule inhibitor gefitinib synergistically increased sensitivity to gefitinib. Altogether, these findings suggest that VEGFR blockade by tivozanib has potential anti-glioma effects in vitro. Further in vivo studies are warranted to explore the anti-tumour activity of tivozanib in combinatorial approaches in GBM.
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47
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Tao YF, Li ZH, Du WW, Xu LX, Ren JL, Li XL, Fang F, Xie Y, Li M, Qian GH, Li YH, Li YP, Li G, Wu Y, Feng X, Wang J, He WQ, Hu SY, Lu J, Pan J. Inhibiting PLK1 induces autophagy of acute myeloid leukemia cells via mammalian target of rapamycin pathway dephosphorylation. Oncol Rep 2017; 37:1419-1429. [PMID: 28184925 PMCID: PMC5364848 DOI: 10.3892/or.2017.5417] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 01/30/2017] [Indexed: 02/07/2023] Open
Abstract
Decreased autophagy is accompanied by the development of a myeloproliferative state or acute myeloid leukemia (AML). AML cells are often sensitive to autophagy‑inducing stimuli, prompting the idea that targeting autophagy can be useful in AML cytotoxic therapy. AML NB4 cells overexpressing microtubule-associated protein 1 light chain 3-green fluorescent protein were screened with 69 inhibitors to analyze autophagy activity. AML cells were treated with the polo-like kinase 1 (PLK1) inhibitors RO3280 and BI2536 before autophagy analysis. Cleaved LC3 (LC3-II) and the phosphorylation of mammalian target of rapamycin (mTOR), adenosine monophosphate-activated protein kinase, and Unc-51-like kinase 1 during autophagy was detected with western blotting. Autophagosomes were detected using transmission electron microscopy. Several inhibitors had promising autophagy inducer effects: BI2536, MLN0905, SK1-I, SBE13 HCL and RO3280. Moreover, these inhibitors all targeted PLK1. Autophagy activity was increased in the NB4 cells treated with RO3280 and BI2536. Inhibition of PLK1 expression in NB4, K562 and HL-60 leukemia cells with RNA interference increased LC3-II and autophagy activity. The phosphorylation of mTOR was reduced significantly in NB4 cells treated with RO3280 and BI2536, and was also reduced significantly when PLK1 expression was downregulated in the NB4, K562 and HL-60 cells. We demonstrate that PLK1 inhibition induces AML cell autophagy and that it results in mTOR dephosphorylation. These results may provide new insights into the molecular mechanism of PLK1 in regulating autophagy.
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MESH Headings
- Animals
- Autophagy
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Blotting, Western
- Cell Cycle Proteins/antagonists & inhibitors
- Cell Cycle Proteins/genetics
- Cell Cycle Proteins/metabolism
- Cell Proliferation
- Child
- Female
- Humans
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/pathology
- Male
- Mice
- Neoplasm Staging
- Phosphorylation
- Prognosis
- Protein Serine-Threonine Kinases/antagonists & inhibitors
- Protein Serine-Threonine Kinases/genetics
- Protein Serine-Threonine Kinases/metabolism
- Proto-Oncogene Proteins/antagonists & inhibitors
- Proto-Oncogene Proteins/genetics
- Proto-Oncogene Proteins/metabolism
- RNA, Messenger/genetics
- RNA, Small Interfering/genetics
- Real-Time Polymerase Chain Reaction
- Reverse Transcriptase Polymerase Chain Reaction
- Signal Transduction
- Survival Rate
- TOR Serine-Threonine Kinases/genetics
- TOR Serine-Threonine Kinases/metabolism
- Tumor Cells, Cultured
- Xenograft Model Antitumor Assays
- Polo-Like Kinase 1
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Affiliation(s)
- Yan-Fang Tao
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Zhi-Heng Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Wei-Wei Du
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Li-Xiao Xu
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Jun-Li Ren
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Xiao-Lu Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Fang Fang
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Yi Xie
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Mei Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Guang-Hui Qian
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Yan-Hong Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Yi-Ping Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Gang Li
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Yi Wu
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Xing Feng
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Jian Wang
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Wei-Qi He
- CAM-SU Genomic Resource Center, Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Shao-Yan Hu
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Jun Lu
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
| | - Jian Pan
- Institute of Pediatrics, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, P.R. China
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48
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Kiryanov A, Natala S, Jones B, McBride C, Feher V, Lam B, Liu Y, Honda K, Uchiyama N, Kawamoto T, Hikichi Y, Zhang L, Hosfield D, Skene R, Zou H, Stafford J, Cao X, Ichikawa T. Structure-based design and SAR development of 5,6-dihydroimidazolo[1,5-f]pteridine derivatives as novel Polo-like kinase-1 inhibitors. Bioorg Med Chem Lett 2017; 27:1311-1315. [PMID: 28169164 DOI: 10.1016/j.bmcl.2016.10.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/04/2016] [Accepted: 10/05/2016] [Indexed: 11/23/2022]
Abstract
Using structure-based drug design, we identified a novel series of 5,6-dihydroimidazolo[1,5-f]pteridine PLK1 inhibitors. Rational improvements to compounds of this class resulted in single-digit nanomolar enzyme and cellular activity against PLK1, and oral bioavailability. Compound 1 exhibits >7 fold induction of phosphorylated Histone H3 and is efficacious in an in vivo HT-29 tumor xenograft model.
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Affiliation(s)
- Andre Kiryanov
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA.
| | - Srinivasa Natala
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Benjamin Jones
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | | | - Victoria Feher
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Betty Lam
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Yan Liu
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Kouhei Honda
- Takeda Pharmaceutical Company, Ltd, 2-26-1, Muraokahigashi, Fujisawa, Kanagawa 251-855, Japan
| | - Noriko Uchiyama
- Takeda Pharmaceutical Company, Ltd, 2-26-1, Muraokahigashi, Fujisawa, Kanagawa 251-855, Japan
| | - Tomohiro Kawamoto
- Takeda Pharmaceutical Company, Ltd, 2-26-1, Muraokahigashi, Fujisawa, Kanagawa 251-855, Japan
| | - Yuichi Hikichi
- Takeda Pharmaceutical Company, Ltd, 2-26-1, Muraokahigashi, Fujisawa, Kanagawa 251-855, Japan
| | - Lilly Zhang
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - David Hosfield
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Robert Skene
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Hua Zou
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Jeffrey Stafford
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Xiaodong Cao
- Takeda California, 10410 Science Center Drive, San Diego 92121, USA
| | - Takashi Ichikawa
- Takeda Pharmaceutical Company, Ltd, 2-26-1, Muraokahigashi, Fujisawa, Kanagawa 251-855, Japan
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49
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Ferrari S, Gentili C. Maintaining Genome Stability in Defiance of Mitotic DNA Damage. Front Genet 2016; 7:128. [PMID: 27493659 PMCID: PMC4954828 DOI: 10.3389/fgene.2016.00128] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 07/06/2016] [Indexed: 01/08/2023] Open
Abstract
The implementation of decisions affecting cell viability and proliferation is based on prompt detection of the issue to be addressed, formulation and transmission of a correct set of instructions and fidelity in the execution of orders. While the first and the last are purely mechanical processes relying on the faithful functioning of single proteins or macromolecular complexes (sensors and effectors), information is the real cue, with signal amplitude, duration, and frequency ultimately determining the type of response. The cellular response to DNA damage is no exception to the rule. In this review article we focus on DNA damage responses in G2 and Mitosis. First, we set the stage describing mitosis and the machineries in charge of assembling the apparatus responsible for chromosome alignment and segregation as well as the inputs that control its function (checkpoints). Next, we examine the type of issues that a cell approaching mitosis might face, presenting the impact of post-translational modifications (PTMs) on the correct and timely functioning of pathways correcting errors or damage before chromosome segregation. We conclude this essay with a perspective on the current status of mitotic signaling pathway inhibitors and their potential use in cancer therapy.
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Affiliation(s)
- Stefano Ferrari
- Institute of Molecular Cancer Research, University of Zurich Zurich, Switzerland
| | - Christian Gentili
- Institute of Molecular Cancer Research, University of Zurich Zurich, Switzerland
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50
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Efficacy of the polo-like kinase inhibitor rigosertib, alone or in combination with Abelson tyrosine kinase inhibitors, against break point cluster region-c-Abelson-positive leukemia cells. Oncotarget 2016; 6:20231-40. [PMID: 26008977 PMCID: PMC4653000 DOI: 10.18632/oncotarget.4047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 04/22/2015] [Indexed: 11/25/2022] Open
Abstract
The potency of Abelson (ABL) tyrosine kinase inhibitors (TKIs) against chronic myeloid leukemia (CML) has been demonstrated. However, ABL TKI resistance can develop. In this study, we investigated the efficacy of a combination therapy including rigosertib (ON 01910.Na), a polo-like kinase (PLK) and phosphoinositide 3-kinase (PI3K) inhibitor, and ABL TKIs. A 72-h rigosertib treatment was found to inhibit cell growth, induce apoptosis, reduce phosphorylation of the breakpoint cluster region-c (BCR)-ABL and its substrate Crk-L, and increase the activities of caspase 3 and poly (ADP-ribose) polymerase (PARP). This combination therapy also exerted a synergistic inhibitory effect on Philadelphia chromosome (Ph)-positive cell proliferation and reduced the phosphorylation of BCR-ABL and Crk-L while increasing that of cleaved PARP and the H2A.X histone. Rigosertib also potently inhibited the growth of ABL TKI-resistant cells, and cotreatment with ABL TKIs and rigosertib induced higher cytotoxicity. These results indicate that rigosertib treatment may be a powerful strategy against ABL TKI-resistant cells and could enhance the cytotoxic effects of ABL TKIs.
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