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Qi Y, Rezaeian AH, Wang J, Huang D, Chen H, Inuzuka H, Wei W. Molecular insights and clinical implications for the tumor suppressor role of SCF FBXW7 E3 ubiquitin ligase. Biochim Biophys Acta Rev Cancer 2024; 1879:189140. [PMID: 38909632 PMCID: PMC11390337 DOI: 10.1016/j.bbcan.2024.189140] [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: 04/12/2024] [Revised: 06/04/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
FBXW7 is one of the most well-characterized F-box proteins, serving as substrate receptor subunit of SKP1-CUL1-F-box (SCF) E3 ligase complexes. SCFFBXW7 is responsible for the degradation of various oncogenic proteins such as cyclin E, c-MYC, c-JUN, NOTCH, and MCL1. Therefore, FBXW7 functions largely as a major tumor suppressor. In keeping with this notion, FBXW7 gene mutations or downregulations have been found and reported in many types of malignant tumors, such as endometrial, colorectal, lung, and breast cancers, which facilitate the proliferation, invasion, migration, and drug resistance of cancer cells. Therefore, it is critical to review newly identified FBXW7 regulation and tumor suppressor function under physiological and pathological conditions to develop effective strategies for the treatment of FBXW7-altered cancers. Since a growing body of evidence has revealed the tumor-suppressive activity and role of FBXW7, here, we updated FBXW7 upstream and downstream signaling including FBXW7 ubiquitin substrates, the multi-level FBXW7 regulatory mechanisms, and dysregulation of FBXW7 in cancer, and discussed promising cancer therapies targeting FBXW7 regulators and downstream effectors, to provide a comprehensive picture of FBXW7 and facilitate the study in this field.
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Affiliation(s)
- Yihang Qi
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Abdol-Hossein Rezaeian
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Jingchao Wang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Daoyuan Huang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Hong Chen
- Vascular Biology Program, Department of Surgery, Harvard Medical School, Boston Children's Hospital, Boston, MA, USA
| | - Hiroyuki Inuzuka
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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2
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Zhang J, Liu X, Hou P, Lv Y, Li G, Cao G, Wang H, Lin W. BRCA1 orchestrates the response to BI-2536 and its combination with alisertib in MYC-driven small cell lung cancer. Cell Death Dis 2024; 15:551. [PMID: 39085197 PMCID: PMC11291995 DOI: 10.1038/s41419-024-06950-w] [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: 01/26/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
PLK1 is currently at the forefront of mitotic research and has emerged as a potential target for small cell lung cancer (SCLC) therapy. However, the factors influencing the efficacy of PLK1 inhibitors remain unclear. Herein, BRCA1 was identified as a key factor affecting the response of SCLC cells to BI-2536. Targeting AURKA with alisertib, at a non-toxic concentration, reduced the BI-2536-induced accumulation of BRCA1 and RAD51, leading to DNA repair defects and mitotic cell death in SCLC cells. In vivo experiments confirmed that combining BI-2536 with alisertib impaired DNA repair capacity and significantly delayed tumor growth. Additionally, GSEA analysis and loss- and gain-of-function assays demonstrated that MYC/MYCN signaling is crucial for determining the sensitivity of SCLC cells to BI-2536 and its combination with alisertib. The study further revealed a positive correlation between RAD51 expression and PLK1/AURKA expression, and a negative correlation with the IC50 values of BI-2536. Manipulating RAD51 expression significantly influenced the efficacy of BI-2536 and restored the MYC/MYCN-induced enhancement of BI-2536 sensitivity in SCLC cells. Our findings indicate that the BRCA1 and MYC/MYCN-RAD51 axes govern the response of small cell lung cancer to BI-2536 and its combination with alisertib. This study propose the combined use of BI-2536 and alisertib as a novel therapeutic strategy for the treatment of SCLC patients with MYC/MYCN activation.
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Affiliation(s)
- Jiahui Zhang
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
- University of Science and Technology of China, Hefei, 230026, Anhui, P.R. China
- The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, P.R. China
| | - Xiaoli Liu
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
| | - Peng Hou
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
- University of Science and Technology of China, Hefei, 230026, Anhui, P.R. China
- The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, P.R. China
| | - Yang Lv
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
| | - Gongfeng Li
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
- University of Science and Technology of China, Hefei, 230026, Anhui, P.R. China
- The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, P.R. China
| | - Guozhen Cao
- The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, P.R. China
| | - Huogang Wang
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, P.R. China
| | - Wenchu Lin
- The Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, P.R. China.
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Chen H, Revennaugh B, Fu H, Ivanov AA. AVERON notebook to discover actionable cancer vulnerabilities enabled by neomorph protein-protein interactions. iScience 2024; 27:110035. [PMID: 38883827 PMCID: PMC11179073 DOI: 10.1016/j.isci.2024.110035] [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: 02/14/2024] [Revised: 04/30/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
Genomic alterations, such as missense mutations, often lead to the activation of oncogenic pathways and cell transformation by rewiring protein-protein interaction (PPI) networks. Understanding how mutant-directed neomorph PPIs (neoPPIs) drive cancer is vital to developing new personalized clinical strategies. However, the experimental interrogation of neoPPI functions in patients with cancer is highly challenging. To address this challenge, we developed a computational platform, termed AVERON for discovering actionable vulnerabilities enabled by rewired oncogenic networks. AVERON enables rapid systematic profiling of the clinical significance of neomorph PPIs across different cancer types, informing molecular mechanisms of neoPPI-driven tumorigenesis, and revealing therapeutically actionable neoPPI-regulated genes. We demonstrated the application of the AVERON platform by evaluating the biological functions and clinical significance of 130 neomorph interactions, experimentally determined for oncogenic BRAFV600E. The AVERON application to broad sets of mutant-directed PPIs may inform new testable biological models and clinical strategies in cancer.
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Affiliation(s)
- Hongyue Chen
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Emory University, Atlanta, GA, USA
| | - Brian Revennaugh
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Emory University, Atlanta, GA, USA
| | - Haian Fu
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Emory University, Atlanta, GA, USA
- Emory Chemical Biology Discovery Center, Emory University School of Medicine, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
- Department of Hematology, Medical Oncology Emory University, Atlanta, GA, USA
| | - Andrey A Ivanov
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Emory University, Atlanta, GA, USA
- Emory Chemical Biology Discovery Center, Emory University School of Medicine, Emory University, Atlanta, GA, USA
- Winship Cancer Institute, Emory University, Atlanta, GA, USA
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Licenziato L, Mazzone E, Tarantelli C, Accornero P, Rinaldi A, Divari S, Leung W, Webb S, De Maria R, Aresu L. Thinking Outside the Box: Indirect Myc Modulation in Canine B-Cell Lymphoma. Animals (Basel) 2024; 14:1466. [PMID: 38791684 PMCID: PMC11117341 DOI: 10.3390/ani14101466] [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: 04/18/2024] [Revised: 05/08/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
B-cell lymphomas (BCL) is the most frequent hematological cancer in dogs. Treatment typically consists of chemotherapy, with CHOP-based protocols. However, outcome remains generally poor, urging the exploration of new therapeutic strategies with a targeted approach. Myc transcription factor plays a crucial role in regulating cellular processes, and its dysregulation is implicated in numerous human and canine malignancies, including canine BCL (cBCL). This study aims to evaluate the efficacy of indirectly inhibiting Myc in cBCL using BI2536 and MZ1 compounds in two in vitro models (CLBL-1 and KLR-1201). Both BI2536 and MZ1, alone and combined, affected cell viability in a significant concentration- and time-dependent manner. Western Blot revealed an upregulation of PLK1 expression in both cell lines upon treatment with BI2536, in association with a reduction in c-Myc protein levels. Conversely, MZ1 led to a decrease in its primary target, BRD4, along with a reduction in c-Myc. Furthermore, BI2536, both alone and in combination with MZ1, induced larger transcriptomic changes in cells compared to MZ1 alone, primarily affecting MYC target genes and genes involved in cell cycle regulation. These data underscore the potential role of Myc as therapeutic target in cBCL, providing a novel approach to indirectly modulate this molecule.
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Affiliation(s)
- Luca Licenziato
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
| | - Eugenio Mazzone
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
| | - Chiara Tarantelli
- Institute of Oncology Research, Faculty of Biomedical Sciences, USI, 6500 Bellinzona, Switzerland; (C.T.); (A.R.)
| | - Paolo Accornero
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
| | - Andrea Rinaldi
- Institute of Oncology Research, Faculty of Biomedical Sciences, USI, 6500 Bellinzona, Switzerland; (C.T.); (A.R.)
| | - Sara Divari
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
| | - Wilfred Leung
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA;
| | - Suzin Webb
- Velocity Clinical Research, Binghamton, NY 13905, USA;
| | - Raffaella De Maria
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
| | - Luca Aresu
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy; (L.L.); (E.M.); (P.A.); (S.D.); (R.D.M.)
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Stokes ME, Vasciaveo A, Small JC, Zask A, Reznik E, Smith N, Wang Q, Daniels J, Forouhar F, Rajbhandari P, Califano A, Stockwell BR. Subtype-selective prenylated isoflavonoids disrupt regulatory drivers of MYCN-amplified cancers. Cell Chem Biol 2024; 31:805-819.e9. [PMID: 38061356 PMCID: PMC11031350 DOI: 10.1016/j.chembiol.2023.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 07/18/2023] [Accepted: 11/13/2023] [Indexed: 01/05/2024]
Abstract
Transcription factors have proven difficult to target with small molecules because they lack pockets necessary for potent binding. Disruption of protein expression can suppress targets and enable therapeutic intervention. To this end, we developed a drug discovery workflow that incorporates cell-line-selective screening and high-throughput expression profiling followed by regulatory network analysis to identify compounds that suppress regulatory drivers of disease. Applying this approach to neuroblastoma (NBL), we screened bioactive molecules in cell lines representing its MYC-dependent (MYCNA) and mesenchymal (MES) subtypes to identify selective compounds, followed by PLATESeq profiling of treated cells. This revealed compounds that disrupt a sub-network of MYCNA-specific regulatory proteins, resulting in MYCN degradation in vivo. The top hit was isopomiferin, a prenylated isoflavonoid that inhibited casein kinase 2 (CK2) in cells. Isopomiferin and its structural analogs inhibited MYC and MYCN in NBL and lung cancer cells, highlighting the general MYC-inhibiting potential of this unique scaffold.
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Affiliation(s)
- Michael E Stokes
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Alessandro Vasciaveo
- Department of Systems Biology, Columbia University Medical Center, New York City, NY 10032, USA
| | - Jonnell Candice Small
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Arie Zask
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Eduard Reznik
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Nailah Smith
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Qian Wang
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Jacob Daniels
- Department of Pharmacology, Columbia University Medical Center, New York City, NY 10032, USA
| | - Farhad Forouhar
- Proteomics and Macromolecular Crystallography Shared Resource (PMCSR), Columbia University Medical Center, New York City, NY 10032, USA
| | - Presha Rajbhandari
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA
| | - Andrea Califano
- Department of Systems Biology, Columbia University Medical Center, New York City, NY 10032, USA.
| | - Brent R Stockwell
- Department of Biological Sciences, Columbia University, New York City, NY 10027, USA; Department of Chemistry, Columbia University, New York City, NY 10027, USA; Department of Pathology and Cell Biology and Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, NY 10032, USA.
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6
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Streeter SA, Williams AG, Evans JR, Wang J, Guarnaccia AD, Florian AC, Al-Tobasei R, Liu Q, Tansey WP, Weissmiller AM. Mitotic gene regulation by the N-MYC-WDR5-PDPK1 nexus. BMC Genomics 2024; 25:360. [PMID: 38605297 PMCID: PMC11007937 DOI: 10.1186/s12864-024-10282-6] [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: 10/15/2023] [Accepted: 04/03/2024] [Indexed: 04/13/2024] Open
Abstract
BACKGROUND During mitosis the cell depends on proper attachment and segregation of replicated chromosomes to generate two identical progeny. In cancers defined by overexpression or dysregulation of the MYC oncogene this process becomes impaired, leading to genomic instability and tumor evolution. Recently it was discovered that the chromatin regulator WDR5-a critical MYC cofactor-regulates expression of genes needed in mitosis through a direct interaction with the master kinase PDPK1. However, whether PDPK1 and WDR5 contribute to similar mitotic gene regulation in MYC-overexpressing cancers remains unclear. Therefore, to characterize the influence of WDR5 and PDPK1 on mitotic gene expression in cells with high MYC levels, we performed a comparative transcriptomic analysis in neuroblastoma cell lines defined by MYCN-amplification, which results in high cellular levels of the N-MYC protein. RESULTS Using RNA-seq analysis, we identify the genes regulated by N-MYC and PDPK1 in multiple engineered CHP-134 neuroblastoma cell lines and compare them to previously published gene expression data collected in CHP-134 cells following inhibition of WDR5. We find that as expected N-MYC regulates a multitude of genes, including those related to mitosis, but that PDPK1 regulates specific sets of genes involved in development, signaling, and mitosis. Analysis of N-MYC- and PDPK1-regulated genes reveals a small group of commonly controlled genes associated with spindle pole formation and chromosome segregation, which overlap with genes that are also regulated by WDR5. We also find that N-MYC physically interacts with PDPK1 through the WDR5-PDPK1 interaction suggesting regulation of mitotic gene expression may be achieved through a N-MYC-WDR5-PDPK1 nexus. CONCLUSIONS Overall, we identify a small group of genes highly enriched within functional gene categories related to mitotic processes that are commonly regulated by N-MYC, WDR5, and PDPK1 and suggest that a tripartite interaction between the three regulators may be responsible for setting the level of mitotic gene regulation in N-MYC amplified cell lines. This study provides a foundation for future studies to determine the exact mechanism by which N-MYC, WDR5, and PDPK1 converge on cell cycle related processes.
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Affiliation(s)
- Sarah A Streeter
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, 37132, USA
| | - Alexandria G Williams
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, 37132, USA
| | - James R Evans
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, 37132, USA
| | - Jing Wang
- Center for Quantitative Sciences, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, 37203, USA
| | - Alissa D Guarnaccia
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, 37240, USA
- Department of Discovery Oncology, Genentech Inc, South San Francisco, CA, 94080, USA
| | - Andrea C Florian
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, 37240, USA
- Department of Biology, Belmont University, Nashville, TN, 37212, USA
| | - Rafet Al-Tobasei
- Department of Computer Science, Middle Tennessee State University, Murfreesboro, TN, 32132, USA
| | - Qi Liu
- Center for Quantitative Sciences, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, 37203, USA
| | - William P Tansey
- Department of Cell and Developmental Biology, Vanderbilt University School of Medicine, Nashville, TN, 37240, USA
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, 37240, USA
| | - April M Weissmiller
- Department of Biology, Middle Tennessee State University, Murfreesboro, TN, 37132, USA.
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7
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Zhou Y, Ray PS, Zhu J, Stein F, Rettel M, Sekaran T, Sahadevan S, Perez-Perri JI, Roth EK, Myklebost O, Meza-Zepeda LA, von Deimling A, Fu C, Brosig AN, Boye K, Nathrath M, Blattmann C, Lehner B, Hentze MW, Kulozik AE. Systematic analysis of RNA-binding proteins identifies targetable therapeutic vulnerabilities in osteosarcoma. Nat Commun 2024; 15:2810. [PMID: 38561347 PMCID: PMC10984982 DOI: 10.1038/s41467-024-47031-y] [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: 01/29/2023] [Accepted: 03/18/2024] [Indexed: 04/04/2024] Open
Abstract
Osteosarcoma is the most common primary malignant bone tumor with a strong tendency to metastasize, limiting the prognosis of affected patients. Genomic, epigenomic and transcriptomic analyses have demonstrated the exquisite molecular complexity of this tumor, but have not sufficiently defined the underlying mechanisms or identified promising therapeutic targets. To systematically explore RNA-protein interactions relevant to OS, we define the RNA interactomes together with the full proteome and the transcriptome of cells from five malignant bone tumors (four osteosarcomata and one malignant giant cell tumor of the bone) and from normal mesenchymal stem cells and osteoblasts. These analyses uncover both systematic changes of the RNA-binding activities of defined RNA-binding proteins common to all osteosarcomata and individual alterations that are observed in only a subset of tumors. Functional analyses reveal a particular vulnerability of these tumors to translation inhibition and a positive feedback loop involving the RBP IGF2BP3 and the transcription factor Myc which affects cellular translation and OS cell viability. Our results thus provide insight into potentially clinically relevant RNA-binding protein-dependent mechanisms of osteosarcoma.
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Affiliation(s)
- Yang Zhou
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Partho Sarothi Ray
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Jianguo Zhu
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Frank Stein
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Mandy Rettel
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | | | - Sudeep Sahadevan
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | | | - Eva K Roth
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ola Myklebost
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Leonardo A Meza-Zepeda
- Genomics Core Facility, Department of Core Facilities, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Andreas von Deimling
- Department of Neuropathology, Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
- Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), and Hopp Children's Cancer Center at the NCT Heidelberg (KiTZ), Heidelberg, Germany
| | - Chuli Fu
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Annika N Brosig
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Kjetil Boye
- Department of Oncology, Oslo University Hospital, Oslo, Norway
| | - Michaela Nathrath
- Department of Pediatrics and Children's Cancer Research Center, Technical University of Munich, School of Medicine, Munich, Germany
- Pediatric Hematology and Oncology, Klinikum Kassel, Kassel, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Olga Hospital, Stuttgart, Germany
| | - Claudia Blattmann
- Department of Pediatric Oncology, Hematology and Immunology, Olga Hospital, Stuttgart, Germany
| | - Burkhard Lehner
- Department of Orthopaedics, Trauma Surgery and Paraplegiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Matthias W Hentze
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
| | - Andreas E Kulozik
- Molecular Medicine Partnership Unit (MMPU), Heidelberg University and European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany.
- Clinical Cooperation Unit Pediatric Leukemia, German Cancer Research Center (DKFZ) and Heidelberg University, Heidelberg, Germany.
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8
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Ye M, Fang Y, Chen L, Song Z, Bao Q, Wang F, Huang H, Xu J, Wang Z, Xiao R, Han M, Gao S, Liu H, Jiang B, Qing G. Therapeutic targeting nudix hydrolase 1 creates a MYC-driven metabolic vulnerability. Nat Commun 2024; 15:2377. [PMID: 38493213 PMCID: PMC10944511 DOI: 10.1038/s41467-024-46572-6] [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: 06/20/2023] [Accepted: 02/28/2024] [Indexed: 03/18/2024] Open
Abstract
Tumor cells must rewire nucleotide synthesis to satisfy the demands of unbridled proliferation. Meanwhile, they exhibit augmented reactive oxygen species (ROS) production which paradoxically damages DNA and free deoxy-ribonucleoside triphosphates (dNTPs). How these metabolic processes are integrated to fuel tumorigenesis remains to be investigated. MYC family oncoproteins coordinate nucleotide synthesis and ROS generation to drive the development of numerous cancers. We herein perform a Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)-based functional screen targeting metabolic genes and identified nudix hydrolase 1 (NUDT1) as a MYC-driven dependency. Mechanistically, MYC orchestrates the balance of two metabolic pathways that act in parallel, the NADPH oxidase 4 (NOX4)-ROS pathway and the Polo like kinase 1 (PLK1)-NUDT1 nucleotide-sanitizing pathway. We describe LC-1-40 as a potent, on-target degrader that depletes NUDT1 in vivo. Administration of LC-1-40 elicits excessive nucleotide oxidation, cytotoxicity and therapeutic responses in patient-derived xenografts. Thus, pharmacological targeting of NUDT1 represents an actionable MYC-driven metabolic liability.
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Affiliation(s)
- Minhui Ye
- Department of Urology, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, 430071, China
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Yingzhe Fang
- Department of Urology, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, 430071, China
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Lu Chen
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Zemin Song
- TaiKang Center for Life and Medical Sciences, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Qing Bao
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Fei Wang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Hao Huang
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Jin Xu
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Ziwen Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Ruijing Xiao
- TaiKang Center for Life and Medical Sciences, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Meng Han
- Protein Chemistry and Proteomics Facility, Tsinghua University Technology Center for Protein Research, Beijing, 10084, China
| | - Song Gao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Hudan Liu
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Baishan Jiang
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China.
| | - Guoliang Qing
- Department of Urology, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, 430071, China.
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China.
- TaiKang Center for Life and Medical Sciences, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China.
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9
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Liu C, Chen L, Cong Y, Cheng L, Shuai Y, Lv F, Chen K, Song Y, Xing Y. Protein phosphatase 1 regulatory subunit 15 A promotes translation initiation and induces G2M phase arrest during cuproptosis in cancers. Cell Death Dis 2024; 15:149. [PMID: 38365764 PMCID: PMC10873343 DOI: 10.1038/s41419-024-06489-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/18/2024]
Abstract
Copper ions play a crucial role as cofactors for essential enzymes in cellular processes. However, when the intracellular concentration of copper ions exceeds the homeostatic threshold, they become toxic to cells. In our study, we demonstrated that elesclomol, as a carrier of copper ions, caused an upregulation of protein phosphatase 1 regulatory subunit 15 A (PPP1R15A), which plays a role in regulating substrate selectivity of protein phosphatase 1 during cuproptosis. Mechanistically, we investigated that PPP1R15A activated translation initiation by dephosphorylating eukaryotic translation initiation factor 2 subunit alpha at the S51 residue through protein phosphatase 1 and phosphorylating eukaryotic translation initiation factor 4E binding protein 1 at the T70 residue. In addition, PPP1R15A reduced H3K4 methylation by altering the phosphorylation of histone methyltransferases, which led to the silencing of MYC and G2M phase arrest.
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Affiliation(s)
- Chunyu Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Liang Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Yukun Cong
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Lulin Cheng
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Yujun Shuai
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Fang Lv
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Kang Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China
| | - Yarong Song
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
| | - Yifei Xing
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430022, Wuhan, China.
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10
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Velentza L, Wickström M, Kogner P, Ohlsson C, Zaman F, Sävendahl L. Humanin Treatment Protects Against Venetoclax-Induced Bone Growth Retardation in Ex Vivo Cultured Rat Bones. J Endocr Soc 2024; 8:bvae009. [PMID: 38328478 PMCID: PMC10848303 DOI: 10.1210/jendso/bvae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Indexed: 02/09/2024] Open
Abstract
Context Recent preclinical studies reported that the BCL-2 inhibitor venetoclax can impair bone growth. A strategy to prevent such a side effect of this promising anticancer drug is highly desired. Earlier in vitro and in vivo studies suggested that the mitochondrial peptide humanin has the potential to prevent drug-induced growth impairment. Objective We hypothesized that co-treatment with the humanin analog HNG may prevent venetoclax-induced bone growth impairment. Methods Ex vivo studies were performed in fetal rat metatarsal bones and human growth plate samples cultured for 12 and 2 days, respectively, while in vivo studies were performed in young neuroblastoma mice being treated daily for 14 days. The treatment groups included venetoclax, HNG, venetoclax plus HNG, or vehicle. Bone growth was continuously monitored and at the end point, histomorphometric and immunohistochemical analyses were performed in fixed tissues. Results Venetoclax suppressed metatarsal bone growth and when combined with HNG, bone growth was rescued and all histological parameters affected by venetoclax monotherapy were normalized. Mechanistic studies showed that HNG downregulated the pro-apoptotic proteins Bax and p53 in cultured metatarsals and human growth plate tissues, respectively. The study in a neuroblastoma mouse model confirmed a growth-suppressive effect of venetoclax treatment. In this short-term in vivo study, no significant bone growth-rescuing effect could be verified when testing HNG at a single dose. We conclude that humanin dose-dependently protects ex vivo cultured metatarsal bones from venetoclax-induced bone growth impairment by restoring the growth plate microstructure.
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Affiliation(s)
- Lilly Velentza
- Division of Pediatric Endocrinology, Department of Women's and Children's Health, Karolinska Institutet, 171 65 Stockholm, Sweden
| | - Malin Wickström
- Division of Pediatric Oncology and Surgery, Department of Women's and Children's Health, Karolinska Institutet, 171 65 Stockholm, Sweden
| | - Per Kogner
- Division of Pediatric Oncology and Surgery, Department of Women's and Children's Health, Karolinska Institutet, 171 65 Stockholm, Sweden
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, 171 64 Stockholm, Sweden
| | - Claes Ohlsson
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden
| | - Farasat Zaman
- Division of Pediatric Endocrinology, Department of Women's and Children's Health, Karolinska Institutet, 171 65 Stockholm, Sweden
| | - Lars Sävendahl
- Division of Pediatric Endocrinology, Department of Women's and Children's Health, Karolinska Institutet, 171 65 Stockholm, Sweden
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, 171 64 Stockholm, Sweden
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11
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Chhabra G, Singh CK, Ndiaye MA, Su S, Shirley CA, Ahmad N. Role of PLK1/NUMB/NOTCH in epithelial-mesenchymal transition in human melanoma. NPJ Precis Oncol 2024; 8:6. [PMID: 38184733 PMCID: PMC10771520 DOI: 10.1038/s41698-023-00493-7] [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: 01/13/2023] [Accepted: 12/02/2023] [Indexed: 01/08/2024] Open
Abstract
Polo-like kinase 1 (PLK1), a serine/threonine kinase, is overexpressed in melanoma and its expression has been associated with poor disease prognosis. PLK1 has been shown to interact with NUMB, a NOTCH antagonist. However, the exact role of PLK1, NUMB, and NOTCH signaling in epithelial-mesenchymal transition (EMT) in melanoma progression is unclear. In this study, Affymetrix microarray analysis was performed to determine differentially expressed genes following shRNA-mediated knockdown of PLK1 in human melanoma cells that showed significant modulations in EMT and metastasis-related genes. Using multiple PLK1-modulated melanoma cell lines, we found that PLK1 is involved in the regulation of cell migration, invasion, and EMT via its kinase activity and NOTCH activation. In vitro kinase assay and mass spectrometry analysis demonstrated a previously unknown PLK1 phosphorylation site (Ser413) on NUMB. Overexpression of non-phosphorylatable (S413A) and phosphomimetic (S413D) mutants of NUMB in melanoma cells implicated the involvement of NUMB-S413 phosphorylation in cell migration and invasion, which was independent of NOTCH activation. To determine the clinical relevance of these findings, immunohistochemistry was performed using melanoma tissue microarray, which indicated a strong positive correlation between PLK1 and N-cadherin, a protein required for successful EMT. These findings were supported by TCGA analysis, where expression of high PLK1 with low NUMB or high NOTCH or N-cadherin showed a significant decrease in survival of melanoma patients. Overall, these results suggest a potential role of PLK1 in EMT, migration, and invasion of melanoma cells. Our findings support the therapeutic targeting of PLK1, NUMB, and NOTCH for melanoma management.
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Affiliation(s)
- Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA
| | - Chandra K Singh
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA
| | - Mary A Ndiaye
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA
| | - Shengqin Su
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA
| | - Carl A Shirley
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, WI, 53705, USA.
- William S. Middleton Memorial Veterans Hospital, Madison, WI, 53705, USA.
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12
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Di Mambro A, Arroyo-Berdugo Y, Fioretti T, Randles M, Cozzuto L, Rajeeve V, Cevenini A, Austin MJ, Esposito G, Ponomarenko J, Lucas CM, Cutillas P, Gribben J, Williams O, Calle Y, Patel B, Esposito MT. SET-PP2A complex as a new therapeutic target in KMT2A (MLL) rearranged AML. Oncogene 2023; 42:3670-3683. [PMID: 37891368 PMCID: PMC10709139 DOI: 10.1038/s41388-023-02840-1] [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: 02/21/2023] [Revised: 09/07/2023] [Accepted: 09/13/2023] [Indexed: 10/29/2023]
Abstract
KMT2A-rearranged (KMT2A-R) is an aggressive and chemo-refractory acute leukemia which mostly affects children. Transcriptomics-based characterization and chemical interrogation identified kinases as key drivers of survival and drug resistance in KMT2A-R leukemia. In contrast, the contribution and regulation of phosphatases is unknown. In this study we uncover the essential role and underlying mechanisms of SET, the endogenous inhibitor of Ser/Thr phosphatase PP2A, in KMT2A-R-leukemia. Investigation of SET expression in acute myeloid leukemia (AML) samples demonstrated that SET is overexpressed, and elevated expression of SET is correlated with poor prognosis and with the expression of MEIS and HOXA genes in AML patients. Silencing SET specifically abolished the clonogenic ability of KMT2A-R leukemic cells and the transcription of KMT2A targets genes HOXA9 and HOXA10. Subsequent mechanistic investigations showed that SET interacts with both KMT2A wild type and fusion proteins, and it is recruited to the HOXA10 promoter. Pharmacological inhibition of SET by FTY720 disrupted SET-PP2A interaction leading to cell cycle arrest and increased sensitivity to chemotherapy in KMT2A-R-leukemic models. Phospho-proteomic analyses revealed that FTY720 reduced the activity of kinases regulated by PP2A, including ERK1, GSK3β, AURB and PLK1 and led to suppression of MYC, supporting the hypothesis of a feedback loop among PP2A, AURB, PLK1, MYC, and SET. Our findings illustrate that SET is a novel player in KMT2A-R leukemia and they provide evidence that SET antagonism could serve as a novel strategy to treat this aggressive leukemia.
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Affiliation(s)
| | | | - Tiziana Fioretti
- CEINGE Biotecnologie Avanzate, Via Gaetano Salvatore, Napoli, Italy
| | - Michael Randles
- Chester Centre for Leukaemia Research, Chester Medical School, University of Chester, Chester, UK
| | - Luca Cozzuto
- Centre Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
| | | | - Armando Cevenini
- CEINGE Biotecnologie Avanzate, Via Gaetano Salvatore, Napoli, Italy
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131, Naples, Italy
| | - Michael J Austin
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Gabriella Esposito
- CEINGE Biotecnologie Avanzate, Via Gaetano Salvatore, Napoli, Italy
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131, Naples, Italy
| | - Julia Ponomarenko
- Centre Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain
- University Pompeu Fabra (UPF), Barcelona, Spain
| | - Claire M Lucas
- Chester Centre for Leukaemia Research, Chester Medical School, University of Chester, Chester, UK
| | - Pedro Cutillas
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | - John Gribben
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Owen Williams
- Great Ormond Street Institute of Child Health London, UCL, London, UK
| | - Yolanda Calle
- School of Life and Health Sciences, University of Roehampton, London, UK
| | - Bela Patel
- Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Maria Teresa Esposito
- School of Life and Health Sciences, University of Roehampton, London, UK.
- School of Biosciences, University of Surrey, Guildford, UK.
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13
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Zheng N, Wei J, Wu D, Xu Y, Guo J. Master kinase PDK1 in tumorigenesis. Biochim Biophys Acta Rev Cancer 2023; 1878:188971. [PMID: 37640147 DOI: 10.1016/j.bbcan.2023.188971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/13/2023] [Accepted: 08/05/2023] [Indexed: 08/31/2023]
Abstract
3-phosphoinositide-dependent protein kinase 1 (PDK1) is considered as master kinase regulating AGC kinase family members such as AKT, SGK, PLK, S6K and RSK. Although autophosphorylation regulates PDK1 activity, accumulating evidence suggests that PDK1 is manipulated by many other mechanisms, including S6K-mediated phosphorylation, and the E3 ligase SPOP-mediated ubiquitination and degradation. Dysregulation of these upstream regulators or downstream signals involves in cancer development, as PDK1 regulating cell growth, metastasis, invasion, apoptosis and survival time. Meanwhile, overexpression of PDK1 is also exposed in a plethora of cancers, whereas inhibition of PDK1 reduces cell size and inhibits tumor growth and progression. More importantly, PDK1 also modulates the tumor microenvironments and markedly influences tumor immunotherapies. In summary, we comprehensively summarize the downstream signals, upstream regulators, mouse models, inhibitors, tumor microenvironment and clinical treatments for PDK1, and highlight PDK1 as a potential cancer therapeutic target.
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Affiliation(s)
- Nana Zheng
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou 215006, China
| | - Jiaqi Wei
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou 215006, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou 215006, China.
| | - Yang Xu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou 215006, China.
| | - Jianping Guo
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510275, China.
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14
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Doha ZO, Sears RC. Unraveling MYC's Role in Orchestrating Tumor Intrinsic and Tumor Microenvironment Interactions Driving Tumorigenesis and Drug Resistance. PATHOPHYSIOLOGY 2023; 30:400-419. [PMID: 37755397 PMCID: PMC10537413 DOI: 10.3390/pathophysiology30030031] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 09/04/2023] [Accepted: 09/08/2023] [Indexed: 09/28/2023] Open
Abstract
The transcription factor MYC plays a pivotal role in regulating various cellular processes and has been implicated in tumorigenesis across multiple cancer types. MYC has emerged as a master regulator governing tumor intrinsic and tumor microenvironment interactions, supporting tumor progression and driving drug resistance. This review paper aims to provide an overview and discussion of the intricate mechanisms through which MYC influences tumorigenesis and therapeutic resistance in cancer. We delve into the signaling pathways and molecular networks orchestrated by MYC in the context of tumor intrinsic characteristics, such as proliferation, replication stress and DNA repair. Furthermore, we explore the impact of MYC on the tumor microenvironment, including immune evasion, angiogenesis and cancer-associated fibroblast remodeling. Understanding MYC's multifaceted role in driving drug resistance and tumor progression is crucial for developing targeted therapies and combination treatments that may effectively combat this devastating disease. Through an analysis of the current literature, this review's goal is to shed light on the complexities of MYC-driven oncogenesis and its potential as a promising therapeutic target.
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Affiliation(s)
- Zinab O. Doha
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA;
- Department of Medical Laboratories Technology, Taibah University, Al-Madinah 42353, Saudi Arabia
| | - Rosalie C. Sears
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA;
- Brenden-Colson Center for Pancreatic Care, Oregon Health & Science University, Portland, OR 97201, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR 97201, USA
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15
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Milletti G, Colicchia V, Cecconi F. Cyclers' kinases in cell division: from molecules to cancer therapy. Cell Death Differ 2023; 30:2035-2052. [PMID: 37516809 PMCID: PMC10482880 DOI: 10.1038/s41418-023-01196-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/08/2023] [Accepted: 07/18/2023] [Indexed: 07/31/2023] Open
Abstract
Faithful eucaryotic cell division requires spatio-temporal orchestration of multiple sequential events. To ensure the dynamic nature of these molecular and morphological transitions, a swift modulation of key regulatory pathways is necessary. The molecular process that most certainly fits this description is phosphorylation, the post-translational modification provided by kinases, that is crucial to allowing the progression of the cell cycle and that culminates with the separation of two identical daughter cells. In detail, from the early stages of the interphase to the cytokinesis, each critical step of this process is tightly regulated by multiple families of kinases including the Cyclin-dependent kinases (CDKs), kinases of the Aurora, Polo, Wee1 families, and many others. While cell-cycle-related CDKs control the timing of the different phases, preventing replication machinery errors, the latter modulate the centrosome cycle and the spindle function, avoiding karyotypic abnormalities typical of chromosome instability. Such chromosomal abnormalities may result from replication stress (RS) and chromosome mis-segregation and are considered a hallmark of poor prognosis, therapeutic resistance, and metastasis in cancer patients. Here, we discuss recent advances in the understanding of how different families of kinases concur to govern cell cycle, preventing RS and mitotic infidelity. Additionally, considering the growing number of clinical trials targeting these molecules, we review to what extent and in which tumor context cell-cycle-related kinases inhibitors are worth exploiting as an effective therapeutic strategy.
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Affiliation(s)
- Giacomo Milletti
- DNA Replication and Cancer Group, Danish Cancer Institute, 2100, Copenhagen, Denmark.
- Department of Pediatric Hematology and Oncology and of Cell and Gene Therapy, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy.
| | - Valeria Colicchia
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
- IRBM S.p.A., Via Pontina Km 30.60, 00070, Pomezia, Italy
| | - Francesco Cecconi
- Cell Stress and Survival Group, Center for Autophagy, Recycling and Disease (CARD), Danish Cancer Institute, Copenhagen, Denmark.
- Università Cattolica del Sacro Cuore and Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy.
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16
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Zhang X, Cong X, Jin X, Liu Y, Zhang T, Fan X, Shi X, Zhang X, Wang X, Yang YG, Dai X. Deficiency of BAP1 inhibits neuroblastoma tumorigenesis through destabilization of MYCN. Cell Death Dis 2023; 14:504. [PMID: 37543638 PMCID: PMC10404282 DOI: 10.1038/s41419-023-06030-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 07/17/2023] [Accepted: 07/31/2023] [Indexed: 08/07/2023]
Abstract
The transcription factor MYCN is frequently amplified and overexpressed in a variety of cancers including high-risk neuroblastoma (NB) and promotes tumor cell proliferation, survival, and migration. Therefore, MYCN is being pursued as an attractive therapeutic target for selective inhibition of its upstream regulators because MYCN is considered a "undruggable" target. Thus, it is important to explore the upstream regulators for the transcription and post-translational modification of MYCN. Here, we report that BRCA1-associated protein-1 (BAP1) promotes deubiquitination and subsequent stabilization of MYCN by directly binding to MYCN protein. Furthermore, BAP1 knockdown inhibits NB tumor cells growth and migration in vitro and in vivo, which can be rescued partially by ectopic expression of MYCN. Importantly, depletion of BAP1 confers cellular resistance to bromodomain and extraterminal (BET) protein inhibitor JQ1 and Aurora A kinase inhibitor Alisertib. Furthermore, IHC results of NB tissue array confirmed the positive correlation between BAP1 and MYCN protein. Altogether, our work not only uncovers an oncogenic function of BAP1 by stabilizing MYCN, but also reveals a critical mechanism for the post-translational regulation of MYCN in NB. Our findings further indicate that BAP1 could be a potential therapeutic target for MYCN-amplified neuroblastoma.
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Affiliation(s)
- Xiaoling Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China.
| | - Xianling Cong
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Xiangting Jin
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Yu'e Liu
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Tong Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xinyuan Fan
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xiyao Shi
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xiaoying Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xue Wang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China.
- International Center of Future Science, Jilin University, Changchun, China.
| | - Xiangpeng Dai
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China.
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17
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Hu J, Song F, Kang W, Xia F, Song Z, Wang Y, Li J, Zhao Q. Integrative analysis of multi-omics data for discovery of ferroptosis-related gene signature predicting immune activity in neuroblastoma. Front Pharmacol 2023; 14:1162563. [PMID: 37521469 PMCID: PMC10373597 DOI: 10.3389/fphar.2023.1162563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 06/02/2023] [Indexed: 08/01/2023] Open
Abstract
Immunotherapy for neuroblastoma remains unsatisfactory due to heterogeneity and weak immunogenicity. Exploring powerful signatures for the evaluation of immunotherapy outcomes remain the primary purpose. We constructed a ferroptosis-related gene (FRG) signature by least absolute shrinkage and selection operator and Cox regression, identified 10 independent prognostic FRGs in a training cohort (GSE62564), and then verified them in an external validation cohort (TCGA). Associated with clinical factors, the signature accurately predicts overall survival of 3, 5, and 10 years. An independent prognostic nomogram, which included FRG risk, age, stage of the International Neuroblastoma Staging System, and an MYCN status, was constructed. The area under the curves showed satisfactory prognostic predicting performance. Through bulk RNA-seq and proteomics data, we revealed the relationship between hub genes and the key onco-promoter MYCN gene and then validated the results in MYCN-amplified and MYCN-non-amplified cell lines with qRT-PCR. The FRG signature significantly divided patients into high- and low-risk groups, and the differentially expressed genes between the two groups were enriched in immune actions, autophagy, and carcinogenesis behaviors. The low-risk group embodied higher positive immune component infiltration and a higher expression of immune checkpoints with a more favorable immune cytolytic activity (CYT). We verified the predictive power of this signature with data from melanoma patients undergoing immunotherapy, and the predictive power was satisfactory. Gene mutations were closely related to the signature and prognosis. AURKA and PRKAA2 were revealed to be nodal hub FRGs in the signature, and both were shown to have significantly different expressions between the INSS stage IV and other stages after immunohistochemical validation. With single-cell RNA-seq analysis, we found that genes related to T cells were enriched in TNFA signaling and interferon-γ hallmark. In conclusion, we constructed a ferroptosis-related gene signature that can predict the outcomes and work in evaluating the effects of immunotherapy.
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Affiliation(s)
- Jiajian Hu
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Fengju Song
- Key Laboratory of Molecular Cancer Epidemiology, Department of Epidemiology and Biostatistics, National Clinical Research Center of Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Wenjuan Kang
- Key Laboratory of Molecular Cancer Epidemiology, Department of Epidemiology and Biostatistics, National Clinical Research Center of Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Fantong Xia
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Zi’an Song
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Yangyang Wang
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Jie Li
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Qiang Zhao
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Department of Pediatric Oncology, National Clinical Research Center for Cancer, Tianjin’s Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
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Di Fiore R, Suleiman S, Drago-Ferrante R, Subbannayya Y, Suleiman S, Vasileva-Slaveva M, Yordanov A, Pentimalli F, Giordano A, Calleja-Agius J. The Role of FBXW7 in Gynecologic Malignancies. Cells 2023; 12:1415. [PMID: 37408248 DOI: 10.3390/cells12101415] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/28/2023] [Accepted: 05/15/2023] [Indexed: 07/07/2023] Open
Abstract
The F-Box and WD Repeat Domain Containing 7 (FBXW7) protein has been shown to regulate cellular growth and act as a tumor suppressor. This protein, also known as FBW7, hCDC4, SEL10 or hAGO, is encoded by the gene FBXW7. It is a crucial component of the Skp1-Cullin1-F-box (SCF) complex, which is a ubiquitin ligase. This complex aids in the degradation of many oncoproteins, such as cyclin E, c-JUN, c-MYC, NOTCH, and MCL1, via the ubiquitin-proteasome system (UPS). The FBXW7 gene is commonly mutated or deleted in numerous types of cancer, including gynecologic cancers (GCs). Such FBXW7 mutations are linked to a poor prognosis due to increased treatment resistance. Hence, detection of the FBXW7 mutation may possibly be an appropriate diagnostic and prognostic biomarker that plays a central role in determining suitable individualized management. Recent studies also suggest that, under specific circumstances, FBXW7 may act as an oncogene. There is mounting evidence indicating that the aberrant expression of FBXW7 is involved in the development of GCs. The aim of this review is to give an update on the role of FBXW7 as a potential biomarker and also as a therapeutic target for novel treatments, particularly in the management of GCs.
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Affiliation(s)
- Riccardo Di Fiore
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Sherif Suleiman
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
| | | | - Yashwanth Subbannayya
- School of Biosciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Sarah Suleiman
- Whipps Cross Hospital, Barts Health NHS Trust, Leytonstone, London E11 1NR, UK
| | - Mariela Vasileva-Slaveva
- Department of Breast Surgery, "Dr. Shterev" Hospital, 1330 Sofia, Bulgaria
- Research Institute, Medical University Pleven, 5800 Pleven, Bulgaria
- Bulgarian Breast and Gynecological Cancer Association, 1784 Sofia, Bulgaria
| | - Angel Yordanov
- Department of Gynecological Oncology, Medical University Pleven, 5800 Pleven, Bulgaria
| | - Francesca Pentimalli
- Department of Medicine and Surgery, LUM University "Giuseppe DeGennaro", 70010 Casamassima, Italy
| | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
| | - Jean Calleja-Agius
- Department of Anatomy, Faculty of Medicine and Surgery, University of Malta, MSD 2080 Msida, Malta
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Valinciute G, Ecker J, Selt F, Hielscher T, Sigaud R, Ridinger J, Thatikonda V, Gatzweiler C, Robinson S, Talbot J, Bernardi F, Picard D, Blattner-Johnson M, Schmid S, Jones DT, van Tilburg CM, Capper D, Kool M, Remke M, Oehme I, Pfister SM, Roussel MF, Ayrault O, Witt O, Milde T. Class I HDAC inhibitor entinostat synergizes with PLK1 inhibitors in MYC-amplified medulloblastoma cells. J Neurooncol 2023; 163:143-158. [PMID: 37183219 PMCID: PMC10232604 DOI: 10.1007/s11060-023-04319-1] [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: 03/21/2023] [Accepted: 04/19/2023] [Indexed: 05/16/2023]
Abstract
PURPOSE We and others have demonstrated that MYC-amplified medulloblastoma (MB) cells are susceptible to class I histone deacetylase inhibitor (HDACi) treatment. However, single drug treatment with HDACi has shown limited clinical efficacy. We hypothesized that addition of a second compound acting synergistically with HDACi may enhance efficacy. METHODS We used a gene expression dataset to identify PLK1 as a second target in MB cells and validated the relevance of PLK1 in MB. We measured cell metabolic activity, viability, and cycle progression in MB cells after treatment with PLK1-specific inhibitors (PLK1i). Chou-Talalay synergy calculations were used to determine the nature of class I HDACi entinostat and PLK1i interaction which was validated. Finally, the clinical potential of the combination was assessed in the in vivo experiment. RESULTS MYC-amplified tumor cells are highly sensitive towards treatment with ATP-competitive PLK1i as a monotherapy. Entinostat and PLK1i in combination act synergistically in MYC-driven MB cells, exerting cytotoxic effects at clinically relevant concentrations. The downstream effect is exerted via MYC-related pathways, pointing out the potential of MYC amplification as a clinically feasible predictive biomarker for patient selection. While entinostat significantly extended survival of mice implanted with orthotopic MYC-amplified MB PDX, there was no evidence of the improvement of survival when treating the animals with the combination. CONCLUSION The combination of entinostat and PLK1i showed synergistic interaction in vitro, but not in vivo. Therefore, further screening of blood-brain barrier penetrating PLK1i is warranted to determine the true potential of the combination as no on-target activity was observed after PLK1i volasertib treatment in vivo.
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Affiliation(s)
- Gintvile Valinciute
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- Department of Tumor Cell Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jonas Ecker
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Florian Selt
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Thomas Hielscher
- Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Romain Sigaud
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
| | - Johannes Ridinger
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
| | - Venu Thatikonda
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim RCV GmbH, Co KG, Doktor-Boehringer-Gasse 5-11, 1120, Vienna, Austria
| | - Charlotte Gatzweiler
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
| | - Sarah Robinson
- Department of Tumor Cell Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Julie Talbot
- Institut Curie, PSL Research University, CNRS UMR, INSERM, Orsay, France
- Université Paris Sud, Université Paris-Saclay, CNRS-UMR 3347 INSERM U1021, Orsay, France
| | - Flavia Bernardi
- Institut Curie, PSL Research University, CNRS UMR, INSERM, Orsay, France
- Université Paris Sud, Université Paris-Saclay, CNRS-UMR 3347 INSERM U1021, Orsay, France
| | - Daniel Picard
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany
- Department of Pediatric Neuro-Oncogenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Essen/Düsseldorf, Düsseldorf, Germany
| | - Mirjam Blattner-Johnson
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Simone Schmid
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, Berlin, Germany
- DKTK Partner Site, Berlin, Germany
| | - David T Jones
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Division of Pediatric Glioma Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Cornelis M van Tilburg
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - David Capper
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, Berlin, Germany
- DKTK Partner Site, Berlin, Germany
| | - Marcel Kool
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Marc Remke
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, University Hospital Düsseldorf, Düsseldorf, Germany
- Department of Pediatric Neuro-Oncogenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), partner site Essen/Düsseldorf, Düsseldorf, Germany
| | - Ina Oehme
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
| | - Stefan M Pfister
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
- Division of Pediatric Neurooncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
| | - Martine F Roussel
- Department of Tumor Cell Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Olivier Ayrault
- Institut Curie, PSL Research University, CNRS UMR, INSERM, Orsay, France
- Université Paris Sud, Université Paris-Saclay, CNRS-UMR 3347 INSERM U1021, Orsay, France
| | - Olaf Witt
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany
| | - Till Milde
- Hopp Children's Cancer Center Heidelberg (KiTZ), Heidelberg, Germany.
- Clinical Cooperation Unit Pediatric Oncology, German Cancer Research Center (DKFZ) and German Consortium for Translational Research (DKTK), Heidelberg, Germany.
- KiTZ Clinical Trial Unit (ZIPO), Department of Pediatric Hematology and Oncology, Heidelberg University Hospital, Heidelberg, Germany.
- Hopp Children's Cancer Center Heidelberg (KiTZ), CCU Pediatric Oncology B310, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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20
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Saeed H, Leibowitz BJ, Zhang L, Yu J. Targeting Myc-driven stress addiction in colorectal cancer. Drug Resist Updat 2023; 69:100963. [PMID: 37119690 DOI: 10.1016/j.drup.2023.100963] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 04/06/2023] [Accepted: 04/17/2023] [Indexed: 05/01/2023]
Abstract
MYC is a proto-oncogene that encodes a powerful regulator of transcription and cellular programs essential for normal development, as well as the growth and survival of various types of cancer cells. MYC rearrangement and amplification is a common cause of hematologic malignancies. In epithelial cancers such as colorectal cancer, genetic alterations in MYC are rare. Activation of Wnt, ERK/MAPK, and PI3K/mTOR pathways dramatically increases Myc levels through enhanced transcription, translation, and protein stability. Elevated Myc promotes stress adaptation, metabolic reprogramming, and immune evasion to drive cancer development and therapeutic resistance through broad changes in transcriptional and translational landscapes. Despite intense interest and effort, Myc remains a difficult drug target. Deregulation of Myc and its targets has profound effects that vary depending on the type of cancer and the context. Here, we summarize recent advances in the mechanistic understanding of Myc-driven oncogenesis centered around mRNA translation and proteostress. Promising strategies and agents under development to target Myc are also discussed with a focus on colorectal cancer.
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Affiliation(s)
- Haris Saeed
- UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA; Dept. of Pathology, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA
| | - Brian J Leibowitz
- UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA; Dept. of Pathology, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA
| | - Lin Zhang
- UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA; Dept. of Chemical Biology and Pharmacology, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA
| | - Jian Yu
- UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA; Dept. of Pathology, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA; Dept. of Radiation Oncology, University of Pittsburgh School of Medicine, 5117 Centre Ave., Pittsburgh, PA 15213, USA.
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21
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Wang D, Yin Z, Wang H, Wang L, Li T, Xiao R, Xie T, Han R, Dong R, Liu H, Liang K, Qing G. The super elongation complex drives transcriptional addiction in MYCN-amplified neuroblastoma. SCIENCE ADVANCES 2023; 9:eadf0005. [PMID: 36989355 PMCID: PMC10058231 DOI: 10.1126/sciadv.adf0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 02/28/2023] [Indexed: 06/19/2023]
Abstract
MYCN amplification in neuroblastoma leads to aberrant expression of MYCN oncoprotein, which binds active genes promoting transcriptional amplification. Yet, how MYCN coordinates transcription elongation to meet productive transcriptional amplification and which elongation machinery represents MYCN-driven vulnerability remain to be identified. We conducted a targeted screen of transcription elongation factors and identified the super elongation complex (SEC) as a unique vulnerability in MYCN-amplified neuroblastomas. MYCN directly binds EAF1 and recruits SEC to enhance processive transcription elongation. Depletion of EAF1 or AFF1/AFF4, another core subunit of SEC, leads to a global reduction in transcription elongation and elicits selective apoptosis of MYCN-amplified neuroblastoma cells. A combination screen reveals SEC inhibition synergistically potentiates the therapeutic efficacies of FDA-approved BCL-2 antagonist ABT-199, in part due to suppression of MCL1 expression, both in MYCN-amplified neuroblastoma cells and in patient-derived xenografts. These findings identify disruption of the MYCN-SEC regulatory axis as a promising therapeutic strategy in neuroblastoma.
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Affiliation(s)
- Donghai Wang
- Department of Urology, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan 430071, China
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
| | - Zhinang Yin
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Honghong Wang
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Liyuan Wang
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
| | - Tianyu Li
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Ruijing Xiao
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
- Department of Immunology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Ting Xie
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
| | - Ruyi Han
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
| | - Rui Dong
- Department of Pediatric Surgery, Children’s Hospital of Fudan University and Shanghai Key Laboratory of Birth Defects, Shanghai 201102, China
| | - Hudan Liu
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
| | - Kaiwei Liang
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Guoliang Qing
- Department of Urology, Medical Research Institute, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan 430071, China
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430071, China
- Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan 430071, China
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22
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Jiménez-Izquierdo R, Morrugares R, Suanes-Cobos L, Correa-Sáez A, Garrido-Rodríguez M, Cerero-Tejero L, Khan OM, de la Luna S, Sancho R, Calzado MA. FBXW7 tumor suppressor regulation by dualspecificity tyrosine-regulated kinase 2. Cell Death Dis 2023; 14:202. [PMID: 36934104 PMCID: PMC10024693 DOI: 10.1038/s41419-023-05724-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/20/2023]
Abstract
FBXW7 is a member of the F-box protein family, which functions as the substrate recognition component of the SCF E3 ubiquitin ligase. FBXW7 is a main tumor suppressor due to its ability to control proteasome-mediated degradation of several oncoproteins such as c-Jun, c-Myc, Cyclin E1, mTOR, and Notch1-IC. FBXW7 inactivation in human cancers results from a somatic mutation or downregulation of its protein levels. This work describes a novel regulatory mechanism for FBXW7 dependent on the serine/threonine protein kinase DYRK2. We show that DYRK2 interacts with and phosphorylates FBXW7 resulting in its proteasome-mediated degradation. DYRK2-dependent FBXW7 destabilization is independent of its ubiquitin ligase activity. The functional analysis demonstrates the existence of DYRK2-dependent regulatory mechanisms for key FBXW7 substrates. Finally, we provide evidence indicating that DYRK2-dependent regulation of FBXW7 protein accumulation contributes to cytotoxic effects in response to chemotherapy agents such as Doxorubicin or Paclitaxel in colorectal cancer cell lines and to BET inhibitors in T-cell acute lymphoblastic leukemia cell lines. Altogether, this work reveals a new regulatory axis, DYRK2/FBXW7, which provides an understanding of the role of these two proteins in tumor progression and DNA damage responses.
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Affiliation(s)
- Rafael Jiménez-Izquierdo
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Rosario Morrugares
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Lucía Suanes-Cobos
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Alejandro Correa-Sáez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Martín Garrido-Rodríguez
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Laura Cerero-Tejero
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
| | - Omar M Khan
- Hamad Bin Khalifa University, College of Health and Life Sciences Qatar Foundation, Education City, Doha, Qatar
| | - Susana de la Luna
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology (BIST), 08003, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Barcelona, Spain
- Universitat Pompeu Fabra (UPF), 08003, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010, Barcelona, Spain
| | - Rocío Sancho
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, SE10 9RT, UK
- Department of Medicine III, University Hospital Carl Gustav Carus, Dresden, Germany
| | - Marco A Calzado
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
- Departamento de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Córdoba, Spain.
- Hospital Universitario Reina Sofía, Córdoba, Spain.
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23
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Boi D, Rubini E, Breccia S, Guarguaglini G, Paiardini A. When Just One Phosphate Is One Too Many: The Multifaceted Interplay between Myc and Kinases. Int J Mol Sci 2023; 24:4746. [PMID: 36902175 PMCID: PMC10003727 DOI: 10.3390/ijms24054746] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/19/2023] [Accepted: 02/21/2023] [Indexed: 03/06/2023] Open
Abstract
Myc transcription factors are key regulators of many cellular processes, with Myc target genes crucially implicated in the management of cell proliferation and stem pluripotency, energy metabolism, protein synthesis, angiogenesis, DNA damage response, and apoptosis. Given the wide involvement of Myc in cellular dynamics, it is not surprising that its overexpression is frequently associated with cancer. Noteworthy, in cancer cells where high Myc levels are maintained, the overexpression of Myc-associated kinases is often observed and required to foster tumour cells' proliferation. A mutual interplay exists between Myc and kinases: the latter, which are Myc transcriptional targets, phosphorylate Myc, allowing its transcriptional activity, highlighting a clear regulatory loop. At the protein level, Myc activity and turnover is also tightly regulated by kinases, with a finely tuned balance between translation and rapid protein degradation. In this perspective, we focus on the cross-regulation of Myc and its associated protein kinases underlying similar and redundant mechanisms of regulation at different levels, from transcriptional to post-translational events. Furthermore, a review of the indirect effects of known kinase inhibitors on Myc provides an opportunity to identify alternative and combined therapeutic approaches for cancer treatment.
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Affiliation(s)
- Dalila Boi
- Department of Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Elisabetta Rubini
- Department of Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Sara Breccia
- Department of Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy
| | - Giulia Guarguaglini
- Institute of Molecular Biology and Pathology, National Research Council of Italy, Sapienza University of Rome, 00185 Rome, Italy
| | - Alessandro Paiardini
- Department of Biochemical Sciences, Sapienza University of Rome, 00185 Rome, Italy
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24
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Tian QS, Zhang Q, Huang W. MCM10 as a novel prognostic biomarker and its relevance to immune infiltration in gliomas. Technol Health Care 2023:THC220576. [PMID: 36872806 DOI: 10.3233/thc-220576] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
BACKGROUND Gliomas are one of the most common malignancies in the central nervous system (CNS). Members of the minichromosomal maintenance protein (MCM) family play an essential role in diagnosing and prognosis of malignant tumors. MCM10 is found in gliomas, but the prognosis and immune infiltration of gliomas has not been elucidated. OBJECTIVE To explore the biological function and immune infiltration of MCM10 in gliomas and provide a reference for the diagnosis, treatment, and prognostic evaluation. METHODS The MCM10 expression profile and the clinical information database of glioma patients were obtained from the China Glioma Genome Atlas (CGGA) and Cancer Genome Atlas (TCGA) glioma data. We analyzed the MCM10 expression levels in various cancers from The TCGA.RNA sequencing data were analyzed using the R packages to determine differentially expressed genes (DEGs) between high- and low MCM10 expressing GBM tissues from the TCGA-GBM database. The Wilcoxon rank sum test was used to compare MCM10 expression levels in glioma and normal brain tissue. To evaluate the value of MCM10 expressions in the prognosis of glioma patients by the Kaplan-Meier survival analysis, a univariate Cox analysis, multivariate Cox analysis, and a ROC curve analysis were used to analyze the correlation of MCM10 expression and the clinicopathological features of glioma patients using the TCGA database data. Subsequently, a functional enrichment analysis was performed to explore its potential signaling pathways and biological functions. Moreover, a single-sample gene set enrichment analysis was used to assess the extent of immune cell infiltration. Lastly, the authors constructed a nomogram to predict the overall survival rate (OS) of gliomas at 1, 3 and 5 years after diagnosis. RESULTS MCM10 is highly expressed in 20 cancer types including gliomas, and MCM10 expression was an independent adverse prognostic factor in glioma patients. Similarly, high expression of MCM10 was associated with advanced age (60 years), increased tumor grade, tumor recurrence or development of a secondary tumor, IDH wild-type, and non-codeletion of 1p19q (p< 0.01). The OS nomogram generated a consistency index of 0.821. The results of Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment and Gene Ontology (GO) functional analysis showed that the cell-cycle-related and tumor-related signaling pathways were significantly enriched in the MCM10 high expression phenotype. Moreover, signaling pathways were significantly enriched in Gene Set Enrichment Analysis (GSEA), including Rho GTPases, M phase, DNA repair, extracellular matrix organization, and nuclear receptors. Furthermore, MCM10 over expression was negatively correlated with the level of immune cell infiltration in natural killer CD56 bright cells, follicular helper T cells, plasmacytoma dendritic cells, and dendritic cells. CONCLUSION MCM10 is an independent prognostic index of glioma patients, and the high expression of MCM10 suggests a poor prognosis; MCM10 expression is closely related to the immune cell infiltration of gliomas, and MCM10 may be related to drug resistance and development of gliomas.
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Affiliation(s)
- Qiu-Si Tian
- Department of Department of Neurosurgery, 3201 Hospital, Shaanxi, China
| | - Qun Zhang
- Department of Department of Neurosurgery, 3201 Hospital, Shaanxi, China.,Laboratory of Cell Biochemistry and Topogenetic Regulation, College of Bioengineering, Chongqing University, Chongqing, China
| | - Wei Huang
- Department of Neurosurgery, Hanzhong Central Hospital, Shaanxi, China
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25
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A Review of the Regulatory Mechanisms of N-Myc on Cell Cycle. Molecules 2023; 28:molecules28031141. [PMID: 36770809 PMCID: PMC9920120 DOI: 10.3390/molecules28031141] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/25/2022] [Accepted: 01/11/2023] [Indexed: 01/26/2023] Open
Abstract
Neuroblastoma has obvious heterogeneity. It is one of the few undifferentiated malignant tumors that can spontaneously degenerate into completely benign tumors. However, for its high-risk type, even with various intensive treatment options, the prognosis is still unsatisfactory. At the same time, a large number of research data show that the abnormal amplification and high-level expression of the MYCN gene are positively correlated with the malignant progression, poor prognosis, and mortality of neuroblastoma. In this context, this article explores the role of the N-Myc, MYCN gene expression product on its target genes related to the cell cycle and reveals its regulatory network in promoting tumor proliferation and malignant progression. We hope it can provide ideas and direction for the research and development of drugs targeting N-Myc and its downstream target genes.
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26
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Thng DKH, Toh TB, Pigini P, Hooi L, Dan YY, Chow PK, Bonney GK, Rashid MBMA, Guccione E, Wee DKB, Chow EK. Splice-switch oligonucleotide-based combinatorial platform prioritizes synthetic lethal targets CHK1 and BRD4 against MYC-driven hepatocellular carcinoma. Bioeng Transl Med 2023; 8:e10363. [PMID: 36684069 PMCID: PMC9842033 DOI: 10.1002/btm2.10363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/29/2022] [Accepted: 06/12/2022] [Indexed: 01/25/2023] Open
Abstract
Deregulation of MYC is among the most frequent oncogenic drivers in hepatocellular carcinoma (HCC). Unfortunately, the clinical success of MYC-targeted therapies is limited. Synthetic lethality offers an alternative therapeutic strategy by leveraging on vulnerabilities in tumors with MYC deregulation. While several synthetic lethal targets of MYC have been identified in HCC, the need to prioritize targets with the greatest therapeutic potential has been unmet. Here, we demonstrate that by pairing splice-switch oligonucleotide (SSO) technologies with our phenotypic-analytical hybrid multidrug interrogation platform, quadratic phenotypic optimization platform (QPOP), we can disrupt the functional expression of these targets in specific combinatorial tests to rapidly determine target-target interactions and rank synthetic lethality targets. Our SSO-QPOP analyses revealed that simultaneous attenuation of CHK1 and BRD4 function is an effective combination specific in MYC-deregulated HCC, successfully suppressing HCC progression in vitro. Pharmacological inhibitors of CHK1 and BRD4 further demonstrated its translational value by exhibiting synergistic interactions in patient-derived xenograft organoid models of HCC harboring high levels of MYC deregulation. Collectively, our work demonstrates the capacity of SSO-QPOP as a target prioritization tool in the drug development pipeline, as well as the therapeutic potential of CHK1 and BRD4 in MYC-driven HCC.
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Affiliation(s)
- Dexter Kai Hao Thng
- Cancer Science Institute of Singapore, National University of SingaporeSingaporeSingapore
| | - Tan Boon Toh
- The N.1 Institute for Health, National University of SingaporeSingaporeSingapore
- The Institute for Digital Medicine (WisDM), Yong Loo Lin School of Medicine, National University of SingaporeSingapore
| | - Paolo Pigini
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR)SingaporeSingapore
| | - Lissa Hooi
- Cancer Science Institute of Singapore, National University of SingaporeSingaporeSingapore
- NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
| | - Yock Young Dan
- Cancer Science Institute of Singapore, National University of SingaporeSingaporeSingapore
- Division of Gastroenterology and HepatologyNational University Health SystemSingaporeSingapore
- Department of Medicine, Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
| | - Pierce Kah‐Hoe Chow
- Division of Surgical OncologyNational Cancer Centre SingaporeSingaporeSingapore
- Department of Hepato‐Pancreato‐Biliary and Transplant SurgerySingapore General HospitalSingaporeSingapore
- Duke‐NUS Medical SchoolSingaporeSingapore
| | - Glenn Kunnath Bonney
- NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
- Division of Hepatobiliary and Liver Transplantation SurgeryNational University Health SystemSingaporeSingapore
| | | | - Ernesto Guccione
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR)SingaporeSingapore
- Department of Oncological SciencesTisch Cancer Institute, Icahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
- Mount Sinai Center for Therapeutics Discovery, Department of Oncological and Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Dave Keng Boon Wee
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR)SingaporeSingapore
| | - Edward Kai‐Hua Chow
- Cancer Science Institute of Singapore, National University of SingaporeSingaporeSingapore
- The N.1 Institute for Health, National University of SingaporeSingaporeSingapore
- The Institute for Digital Medicine (WisDM), Yong Loo Lin School of Medicine, National University of SingaporeSingapore
- NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
- Department of Pharmacology, Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
- Department of Biomedical Engineering, College of Design and EngineeringNational University of SingaporeSingaporeSingapore
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27
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Gola C, Licenziato L, Accornero P, Iussich S, Morello E, Buracco P, Modesto P, Aresu L, De Maria R. The mitotic regulator polo-like kinase 1 as a potential therapeutic target for c-Myc-overexpressing canine osteosarcomas. Vet Comp Oncol 2022; 20:890-900. [PMID: 36054794 PMCID: PMC9804590 DOI: 10.1111/vco.12854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 04/25/2022] [Accepted: 07/21/2022] [Indexed: 01/05/2023]
Abstract
Osteosarcoma is the most common primary malignant bone tumour in dogs, characterized by a locally aggressive and highly metastatic behaviour. Despite the current standards of care, most dogs succumb to the disease, indicating the need for novel treatment strategies. Polo-like kinase 1 (PLK1) is dysregulated in a variety of human cancer types, including osteosarcoma, and induces c-Myc accumulation. The crosstalk between the two molecules coordinates cell proliferation, differentiation, self-renewal and apoptosis. Therefore, PLK1 has recently emerged as a potential therapeutic target, mainly in tumours overexpressing c-Myc. BI 2536 is a selective PLK1 inhibitor promoting mitotic arrest and apoptosis in a variety of cancer cells. This research aimed at evaluating PLK1 and c-Myc protein expression in 53 appendicular canine osteosarcoma (cOSA) samples and the in vitro effects of BI 2536 on a c-Myc and PLK1-overexpressing cOSA cell line (D17). PLK1 and c-Myc expression in cOSA samples showed no correlation with clinicopathological data. However, c-Myc overexpression was associated with a significantly reduced overall survival (p = .003). Western Blot and RT-qPCR assays revealed that D17 expressed high protein and transcript levels of both PLK1 and MYC. When treated with BI 2536 (range 2.5-15 nM) for 24 h, D17 showed a substantial decrease in cell growth, inducing apoptosis and G2 /M cell cycle arrest. Interestingly, under BI 2536 treatment, D17 showed decreased c-Myc protein levels. Consistent with human OSA, these preliminary data outline the prognostic value of c-Myc expression in cOSA and highlight the potential role of PLK1 as an antiproliferative therapeutic target for tumours overexpressing c-Myc.
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Affiliation(s)
- Cecilia Gola
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Luca Licenziato
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Paolo Accornero
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Selina Iussich
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Emanuela Morello
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Paolo Buracco
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
| | - Paola Modesto
- SC Diagnostica SpecialisticaIstituto Zooprofilattico Sperimentale del Piemonte Liguria e Valle d'AostaTurinTOItaly
| | - Luca Aresu
- Department of Veterinary SciencesUniversity of TurinGrugliascoTOItaly
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28
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Donati G, Amati B. MYC and therapy resistance in cancer: risks and opportunities. Mol Oncol 2022; 16:3828-3854. [PMID: 36214609 PMCID: PMC9627787 DOI: 10.1002/1878-0261.13319] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/08/2022] [Accepted: 10/06/2022] [Indexed: 12/24/2022] Open
Abstract
The MYC transcription factor, encoded by the c-MYC proto-oncogene, is activated by growth-promoting signals, and is a key regulator of biosynthetic and metabolic pathways driving cell growth and proliferation. These same processes are deregulated in MYC-driven tumors, where they become critical for cancer cell proliferation and survival. As other oncogenic insults, overexpressed MYC induces a series of cellular stresses (metabolic, oxidative, replicative, etc.) collectively known as oncogenic stress, which impact not only on tumor progression, but also on the response to therapy, with profound, multifaceted consequences on clinical outcome. On one hand, recent evidence uncovered a widespread role for MYC in therapy resistance in multiple cancer types, with either standard chemotherapeutic or targeted regimens. Reciprocally, oncogenic MYC imparts a series of molecular and metabolic dependencies to cells, thus giving rise to cancer-specific vulnerabilities that may be exploited to obtain synthetic-lethal interactions with novel anticancer drugs. Here we will review the current knowledge on the links between MYC and therapeutic responses, and will discuss possible strategies to overcome resistance through new, targeted interventions.
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Affiliation(s)
- Giulio Donati
- European Institute of Oncology (IEO) – IRCCSMilanItaly
| | - Bruno Amati
- European Institute of Oncology (IEO) – IRCCSMilanItaly
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29
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Plangger A, Rath B, Stickler S, Hochmair M, Lang C, Weigl L, Funovics M, Hamilton G. Cytotoxicity of combinations of the pan-KRAS SOS1 inhibitor BAY-293 against pancreatic cancer cell lines. Discov Oncol 2022; 13:84. [PMID: 36048281 PMCID: PMC9437170 DOI: 10.1007/s12672-022-00550-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/26/2022] [Indexed: 11/27/2022] Open
Abstract
KRAS is mutated in approximately 25% of cancer patients and first KRAS G12C-specific inhibitors showed promising responses. Pancreatic cancer has the highest frequency of KRAS mutations but the prevailing KRAS G12D mutation is difficult to target. Inhibition of the GTP exchange factor (GEF) SOS1-KRAS interaction impairs oncogenic signaling independently of the specific KRAS mutations. In general, cell lines exhibiting KRAS mutations show specific alterations in respect to glucose utilization, signal transduction and stress survival. The aim of this investigation was to check the putative synergy of the SOS1 inhibitor BAY-293 with modulators targeting specific vulnerabilities of KRAS-mutated cell lines in vitro. The cytotoxicity of BAY-293 combinations was tested against MIA PaCa-2 (G12C), AsPC1 (G12D) and BxPC3 (KRAS wildtype) cell lines using MTT tests and calculation of the combination indices (CI) according to the Chou-Talalay method. The results show that BAY-293 synergizes with modulators of glucose utilization, inhibitors of the downstream MAPK pathway and several chemotherapeutics in dependence of the specific KRAS status of the cell lines. In particular, divergent responses for BAY-293 combinations between pancreatic and NSCLC cell lines were observed for linsitinib, superior inhibitory effects of trametinib and PD98059 in NSCLC, and lack of activity with doxorubicin in case of the pancreatic cell lines. Phosphoproteome analysis revealed inhibition of distinct signaling pathways by BAY-293 for MIA PaCa-2 on the one hand and for Aspc1 and BH1362 on the other hand. In conclusion, BAY-293 exhibits synergy with drugs in dependence of the tumor type and specific KRAS mutation.
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Affiliation(s)
- Adelina Plangger
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Barbara Rath
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Sandra Stickler
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Maximilian Hochmair
- Karl Landsteiner Institute of Lung Research and Pulmonary Oncology, Klinik Floridsdorf, Vienna, Austria
| | - Clemens Lang
- Department of Trauma Surgery, Sozialmedizinisches Zentrum Ost, Donauspital, Vienna, Austria
| | - Lukas Weigl
- Division of Special Anesthesia and Pain Medicine, Medical University of Vienna, Vienna, Austria
| | - Martin Funovics
- Department of Cardiovascular and Interventional Radiology, Medical University of Vienna, Vienna, Austria
| | - Gerhard Hamilton
- Institute of Pharmacology, Medical University of Vienna, Vienna, Austria.
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30
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Hu X, Liu R, Hou J, Peng W, Wan S, Xu M, Li Y, Zhang G, Zhai X, Liang P, Cui H. SMARCE1 promotes neuroblastoma tumorigenesis through assisting MYCN-mediated transcriptional activation. Oncogene 2022; 41:4295-4306. [PMID: 35978151 DOI: 10.1038/s41388-022-02428-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 07/21/2022] [Accepted: 07/26/2022] [Indexed: 02/07/2023]
Abstract
SMARCE1 gene, encoding a core subunit of SWI/SNF chromatin remodeling complex, is situated on chromosome 17q21-ter region that is frequently gained in neuroblastoma. However, its role in the tumorigenesis remains unknown. Here, we showed that high expression of SMARCE1 was associated with poor prognosis of patients with neuroblastoma, especially those with MYCN amplification. Knockdown of SMARCE1 reduced proliferation, colony formation, and tumorigenicity of neuroblastoma cells. Mechanistically, SMARCE1 directly interacted with MYCN, which was necessary for MYCN-mediated transcriptional activation of downstream target genes including PLK1, ODC1, and E2F2. Overexpression of PLK1, ODC1 or E2F2 significantly reversed the inhibiting effect of SMARCE1 knockdown on the proliferation, colony formation, and tumorigenicity of MYCN-amplified neuroblastoma cells. Moreover, we revealed that MYCN directly regulated SMARCE1 transcription through binding to a non-canonical E-box of SMARCE1 promoter, thus enhancing SMARCE1-MYCN cooperativity. These findings establish SMARCE1 is a critical oncogenic factor in neuroblastoma and provide a new potential target for treatment of neuroblastoma with 17q21-ter gain and MYCN amplification.
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Affiliation(s)
- Xiaosong Hu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Ruochen Liu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Jianbing Hou
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Wen Peng
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Sicheng Wan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Minghao Xu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Yongsen Li
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Guanghui Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China.,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China
| | - Xuan Zhai
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, 400010, China
| | - Ping Liang
- Department of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China. .,Chongqing Key Laboratory of Pediatrics, Chongqing, 400010, China.
| | - Hongjuan Cui
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, 400716, China. .,Cancer Center, Medical Research Institute, Southwest University, Chongqing, 400716, China.
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31
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A Drug Repurposing Screen Identifies Fludarabine Phosphate as a Potential Therapeutic Agent for N-MYC Overexpressing Neuroendocrine Prostate Cancers. Cells 2022; 11:cells11142246. [PMID: 35883689 PMCID: PMC9317991 DOI: 10.3390/cells11142246] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/08/2022] [Accepted: 07/16/2022] [Indexed: 02/07/2023] Open
Abstract
Neuroendocrine prostate cancer (NEPC) represents a highly aggressive form of prostate tumors. NEPC results from trans-differentiated castration-resistant prostate cancer (CRPC) with increasing evidence indicating that the incidence of NEPC often results from the adaptive response to androgen deprivation therapy. Recent studies have shown that a subset of NEPC exhibits overexpression of the MYCN oncogene along with the loss of tumor suppressing TP53 and RB1 activities. N-MYC is structurally disordered with no binding pockets available on its surface and so far, no clinically approved drug is available. We adopted a drug-repurposing strategy, screened ~1800 drug molecules, and identified fludarabine phosphate to preferentially inhibit the proliferation of N-MYC overexpressing NEPC cells by inducing reactive oxygen species (ROS). We also show that fludarabine phosphate affects N-MYC protein levels and N-MYC transcriptional targets in NEPC cells. Moreover, enhanced ROS production destabilizes N-MYC protein by inhibiting AKT signaling and is responsible for the reduced survival of NEPC cells and tumors. Our results indicate that increasing ROS production by the administration of fludarabine phosphate may represent an effective treatment option for patients with N-MYC overexpressing NEPC tumors.
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32
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Yang Y, Zhao J, Zhang Y, Feng T, Yv B, Wang J, Gao Y, Yin M, Tang J, Li Y. MYCN protein stability is a better prognostic indicator in neuroblastoma. BMC Pediatr 2022; 22:404. [PMID: 35820898 PMCID: PMC9277955 DOI: 10.1186/s12887-022-03449-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022] Open
Abstract
Objective MYCN oncogene amplification is associated with treatment failure and poor prognosis in neuroblastoma. To date, most detection methods of MYCN focus on DNA copy numbers instead of protein expression, which is the real one performing biological function, for poor antibodies. The current investigation was to explore a fast and reliable way to detect MYCN protein expression and evaluate its performance in predicting prognosis. Methods Several MYCN antibodies were used to detect MYCN protein expression by immunohistochemistry (IHC), and one was chosen for further study. We correlated the IHC results of MYCN from 53 patients with MYCN fluorescence in situ hybridization (FISH) and identified the sensitivity and specificity of IHC. The relationship between patient prognosis and MYCN protein expression was detected from this foundation. Results MYCN amplification status detected by FISH was most valuable for INSS stage 3 patients. In the cohort of 53 samples, IHC test demonstrated 80.0–85.7% concordance with FISH results. Further analyzing those cases with inconsistent results, we found that patients with MYCN amplification but low protein expression tumors always had a favorable prognosis. In contrast, if patients with MYCN non-amplified tumors were positive for MYCN protein, they had a poor prognosis. Conclusion MYCN protein level is better than MYCN amplification status in predicting the prognosis of neuroblastoma patients. Joint of FISH and IHC could confirm MYCN protein stability and achieve better prediction effect than the singular method. Supplementary Information The online version contains supplementary material available at 10.1186/s12887-022-03449-1. The MYCN gene test is most valuable for INSS stage 3 patients to predict prognosis. Compared to gene status, MYCN protein expression is more relevant to prognosis. Combining FISH with IHC, MYCN protein stability could be identified.
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Affiliation(s)
- Yi Yang
- Pediatric Translational Medicine Institute, Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China
| | - Jie Zhao
- Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China
| | - Yingwen Zhang
- Pediatric Translational Medicine Institute, Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China
| | - Tianyue Feng
- Pediatric Translational Medicine Institute, Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China.,Gezhi Senior High School of Shanghai China, Shanghai, 200001, China
| | - Bo Yv
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Jing Wang
- Department of general Surgery/Surgical Oncology Center, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Yijin Gao
- Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China.
| | - Minzhi Yin
- Department of Pathology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
| | - Jingyan Tang
- Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China.
| | - Yanxin Li
- Pediatric Translational Medicine Institute, Department of Hematology & Oncology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, 200127, China.
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Kolobynina KG, Rapp A, Cardoso MC. Chromatin Ubiquitination Guides DNA Double Strand Break Signaling and Repair. Front Cell Dev Biol 2022; 10:928113. [PMID: 35865631 PMCID: PMC9294282 DOI: 10.3389/fcell.2022.928113] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/16/2022] [Indexed: 11/13/2022] Open
Abstract
Chromatin is the context for all DNA-based molecular processes taking place in the cell nucleus. The initial chromatin structure at the site of the DNA damage determines both, lesion generation and subsequent activation of the DNA damage response (DDR) pathway. In turn, proceeding DDR changes the chromatin at the damaged site and across large fractions of the genome. Ubiquitination, besides phosphorylation and methylation, was characterized as an important chromatin post-translational modification (PTM) occurring at the DNA damage site and persisting during the duration of the DDR. Ubiquitination appears to function as a highly versatile “signal-response” network involving several types of players performing various functions. Here we discuss how ubiquitin modifiers fine-tune the DNA damage recognition and response and how the interaction with other chromatin modifications ensures cell survival.
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34
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Xing L, Xu L, Zhang Y, Che Y, Wang M, Shao Y, Qiu D, Yu H, Zhao F, Zhang J. Recent Insight on Regulations of FBXW7 and Its Role in Immunotherapy. Front Oncol 2022; 12:925041. [PMID: 35814468 PMCID: PMC9263569 DOI: 10.3389/fonc.2022.925041] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/24/2022] [Indexed: 11/28/2022] Open
Abstract
SCFFBXW7 E3 ubiquitin ligase complex is a crucial enzyme of the ubiquitin proteasome system that participates in variant activities of cell process, and its component FBXW7 (F-box and WD repeat domain–containing 7) is responsible for recognizing and binding to substrates. The expression of FBXW7 is controlled by multiple pathways at different levels. FBXW7 facilitates the maturity and function maintenance of immune cells via functioning as a mediator of ubiquitination-dependent degradation of substrate proteins. FBXW7 deficiency or mutation results in the growth disturbance and dysfunction of immune cell, leads to the resistance against immunotherapy, and participates in multiple illnesses. It is likely that FBXW7 coordinating with its regulators and substrates could offer potential targets to improve the sensitivity and effects of immunotherapy. Here, we review the mechanisms of the regulation on FBXW7 and its tumor suppression role in immune filed among various diseases (mostly cancers) to explore novel immune targets and treatments.
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Affiliation(s)
- Liangliang Xing
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Leidi Xu
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yong Zhang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yinggang Che
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Min Wang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yongxiang Shao
- Department of Anus and Intestine Surgery, The 942th Hospital of Joint Logistics Support Force, Yinchuan, China
| | - Dan Qiu
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Honglian Yu
- Department of Hemato-Oncology, The 942th Hospital of Joint Logistics Support Force, Yinchuan, China
| | - Feng Zhao
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Jian Zhang, ; Feng Zhao,
| | - Jian Zhang
- Department of Pulmonary Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
- *Correspondence: Jian Zhang, ; Feng Zhao,
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35
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Fan J, Bellon M, Ju M, Zhao L, Wei M, Fu L, Nicot C. Clinical significance of FBXW7 loss of function in human cancers. Mol Cancer 2022; 21:87. [PMID: 35346215 PMCID: PMC8962602 DOI: 10.1186/s12943-022-01548-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/22/2022] [Indexed: 12/13/2022] Open
Abstract
FBXW7 (F-Box and WD Repeat Domain Containing 7) (also referred to as FBW7 or hCDC4) is a component of the Skp1-Cdc53 / Cullin-F-box-protein complex (SCF/β-TrCP). As a member of the F-box protein family, FBXW7 serves a role in phosphorylation-dependent ubiquitination and proteasome degradation of oncoproteins that play critical role(s) in oncogenesis. FBXW7 affects many regulatory functions involved in cell survival, cell proliferation, tumor invasion, DNA damage repair, genomic instability and telomere biology. This thorough review of current literature details how FBXW7 expression and functions are regulated through multiple mechanisms and how that ultimately drives tumorigenesis in a wide array of cell types. The clinical significance of FBXW7 is highlighted by the fact that FBXW7 is frequently inactivated in human lung, colon, and hematopoietic cancers. The loss of FBXW7 can serve as an independent prognostic marker and is significantly correlated with the resistance of tumor cells to chemotherapeutic agents and poorer disease outcomes. Recent evidence shows that genetic mutation of FBXW7 differentially affects the degradation of specific cellular targets resulting in a distinct and specific pattern of activation/inactivation of cell signaling pathways. The clinical significance of FBXW7 mutations in the context of tumor development, progression, and resistance to therapies as well as opportunities for targeted therapies is discussed.
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Affiliation(s)
- Jingyi Fan
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.,Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Marcia Bellon
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA
| | - Mingyi Ju
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Lin Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Minjie Wei
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, China.,Liaoning Province, China Liaoning Key Laboratory of Molecular Targeted Anti-Tumor Drug Development and Evaluation, Liaoning Cancer Immune Peptide Drug Engineering Technology Research Center, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, Ministry of Education, China Medical University, Shenyang, 110122, Liaoning Province, China
| | - Liwu Fu
- State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute; Sun Yat-sen University Cancer Center, Guangzhou, 510060, Guangdong Province, China.
| | - Christophe Nicot
- Department of Pathology and Laboratory Medicine, Center for Viral Pathogenesis, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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Wang D, Veo B, Pierce A, Fosmire S, Madhavan K, Balakrishnan I, Donson A, Alimova I, Sullivan KD, Joshi M, Erlander M, Ridinger M, Foreman NK, Venkataraman S, Vibhakar R. A novel PLK1 inhibitor onvansertib effectively sensitizes MYC-driven medulloblastoma to radiotherapy. Neuro Oncol 2022; 24:414-426. [PMID: 34477871 PMCID: PMC8917408 DOI: 10.1093/neuonc/noab207] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Group 3 medulloblastoma (MB) is often accompanied by MYC amplification. PLK1 is an oncogenic kinase that controls cell cycle and proliferation and has been preclinically validated as a cancer therapeutic target. Onvansertib (PCM-075) is a novel, orally available PLK1 inhibitor, which shows tumor growth inhibition in various types of cancer. We aim to explore the effect of onvansertib on MYC-driven medulloblastoma as a monotherapy or in combination with radiation. METHODS Crisper-Cas9 screen was used to discover essential genes for MB tumor growth. Microarray and immunohistochemistry on pediatric patient samples were performed to examine the expression of PLK1. The effect of onvansertib in vitro was measure by cell viability, colony-forming assays, extreme limiting dilution assay, and RNA-Seq. ALDH activity, cell-cycle distribution, and apoptosis were analyzed by flow cytometry. DNA damage was assessed by immunofluorescence staining. Medulloblastoma xenografts were generated to explore the monotherapy or radio-sensitizing effect. RESULTS PLK1 is overexpressed in Group 3 MB. The IC50 concentrations of onvansertib in Group 3 MB cell lines were in a low nanomolar range. Onvansertib reduced colony formation, cell proliferation, stem cell renewal and induced G2/M arrest in vitro. Moreover, onvansertib in combination with radiation increased DNA damage and apoptosis compared with radiation treatment alone. The combination radiotherapy resulted in marked tumor regression in xenografts. CONCLUSIONS These findings demonstrate the efficacy of a novel PLK1 inhibitor onvansertib in vitro and in xenografts of Group 3 MB, which suggests onvansertib is an effective strategy as monotherapy or in combination with radiotherapy in MB.
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Affiliation(s)
- Dong Wang
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Bethany Veo
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Angela Pierce
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Susan Fosmire
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Krishna Madhavan
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Ilango Balakrishnan
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Andrew Donson
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Irina Alimova
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Kelly D Sullivan
- Linda Crnic Institute for Down Syndrome, Department of Pediatrics, Section of Developmental Biology, Children’s Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Molishree Joshi
- Functional Genomics Facility, University of Colorado Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | | | | | - Nicholas K Foreman
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Morgan Adams Foundation Pediatric Brain Tumor Research Program, Children’s Hospital Colorado, Aurora, Colorado, USA
- Department of Neurosurgery, University of Colorado Denver, Aurora, Colorado, USA
| | - Sujatha Venkataraman
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Morgan Adams Foundation Pediatric Brain Tumor Research Program, Children’s Hospital Colorado, Aurora, Colorado, USA
| | - Rajeev Vibhakar
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- Morgan Adams Foundation Pediatric Brain Tumor Research Program, Children’s Hospital Colorado, Aurora, Colorado, USA
- Department of Neurosurgery, University of Colorado Denver, Aurora, Colorado, USA
- Corresponding Author: Rajeev Vibhakar, MD, PhD, Department of Pediatrics, University of Colorado Denver, Aurora, CO, 80045, USA ()
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Li X, Duan S, Zheng Y, Yang Y, Wang L, Li X, Zhang Q, Thorne RF, Li W, Yang D. Hyperthermia inhibits growth of nasopharyngeal carcinoma through degradation of c-Myc. Int J Hyperthermia 2022; 39:358-371. [PMID: 35184661 DOI: 10.1080/02656736.2022.2038282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Xiaole Li
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
- Department of Radiotherapy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shichao Duan
- Department of Pathology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yingjuan Zheng
- Department of Radiotherapy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yongqiang Yang
- Department of Radiotherapy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lei Wang
- Department of Pathology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xinqiang Li
- Department of Pathology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qing Zhang
- Translational Research Institute, Henan Provincial People’s Hospital, Academy of Medical Science, Zhengzhou University, Zhengzhou, China
| | - Rick F. Thorne
- Translational Research Institute, Henan Provincial People’s Hospital, Academy of Medical Science, Zhengzhou University, Zhengzhou, China
| | - Wencai Li
- Department of Pathology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Daoke Yang
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
- Department of Radiotherapy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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38
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Lier S, Sellmer A, Orben F, Heinzlmeir S, Krauß L, Schneeweis C, Hassan Z, Schneider C, Patricia Gloria Schäfer A, Pongratz H, Engleitner T, Öllinger R, Kuisl A, Bassermann F, Schlag C, Kong B, Dove S, Kuster B, Rad R, Reichert M, Wirth M, Saur D, Mahboobi S, Schneider G. A novel Cereblon E3 ligase modulator with antitumor activity in gastrointestinal cancer. Bioorg Chem 2022; 119:105505. [PMID: 34838332 DOI: 10.1016/j.bioorg.2021.105505] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 10/06/2021] [Accepted: 11/17/2021] [Indexed: 12/13/2022]
Abstract
Targeted protein degradation offers new opportunities to inactivate cancer drivers and has successfully entered the clinic. Ways to induce selective protein degradation include proteolysis targeting chimera (PROTAC) technology and immunomodulatory (IMiDs) / next-generation Cereblon (CRBN) E3 ligase modulating drugs (CELMoDs). Here, we aimed to develop a MYC PROTAC based on the MYC-MAX dimerization inhibitor 10058-F4 derivative 28RH and Thalidomide, called MDEG-541. We show that a subgroup of gastrointestinal cancer cell lines and primary patient-derived organoids are MDEG-541 sensitive. Although MYC expression was regulated in a CRBN-, proteasome- and ubiquitin-dependent manner, we provide evidence that MDEG-541 induced the degradation of CRBN neosubstrates, including G1 to S phase transition 1/2 (GSPT1/2) and the Polo-like kinase 1 (PLK1). In sum, we have established a CRBN-dependent degrader of relevant cancer targets with activity in gastrointestinal cancers.
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Affiliation(s)
- Svenja Lier
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Andreas Sellmer
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040 Regensburg, Germany
| | - Felix Orben
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | | | - Lukas Krauß
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Christian Schneeweis
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Zonera Hassan
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Carolin Schneider
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | | | - Herwig Pongratz
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040 Regensburg, Germany
| | - Thomas Engleitner
- Institute of Molecular Oncology and Functional Genomics, MRI, TU Munich, Germany
| | - Rupert Öllinger
- Institute of Molecular Oncology and Functional Genomics, MRI, TU Munich, Germany
| | - Anna Kuisl
- Medical Clinic and Policlinic III, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Florian Bassermann
- Medical Clinic and Policlinic III, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany; German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - Christoph Schlag
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany
| | - Bo Kong
- Department of Surgery, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany; Department of General Surgery, University of Ulm, 89081 Ulm, Germany
| | - Stefan Dove
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040 Regensburg, Germany
| | - Bernhard Kuster
- Chair of Proteomics and Bioanalytics, TU Munich, 85354 Freising, Germany; German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany; Bavarian Center for Biomolecular Mass Spectrometry (BayBioMS), TU Munich, 85354 Freising, Germany
| | - Roland Rad
- Institute of Molecular Oncology and Functional Genomics, MRI, TU Munich, Germany; German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - Maximilian Reichert
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany; German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany; Center for Protein Assemblies (CPA), Technische Universität München, 85747 Garching, Germany
| | - Matthias Wirth
- Department of Hematology, Oncology and Cancer Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, 12203 Berlin, Germany
| | - Dieter Saur
- German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), 69120 Heidelberg, Germany; Institute for Translational Cancer Research and Experimental Cancer Therapy, Klinikum Rechts der Isar, TU Munich, Germany
| | - Siavosh Mahboobi
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, 93040 Regensburg, Germany.
| | - Günter Schneider
- Medical Clinic and Policlinic II, Klinikum Rechts der Isar, TU Munich, 81675 Munich, Germany; University Medical Center Göttingen, Department of General, Visceral and Pediatric Surgery, 37075 Göttingen, Germany.
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Wang L, Chen C, Song Z, Wang H, Ye M, Wang D, Kang W, Liu H, Qing G. EZH2 depletion potentiates MYC degradation inhibiting neuroblastoma and small cell carcinoma tumor formation. Nat Commun 2022; 13:12. [PMID: 35013218 PMCID: PMC8748958 DOI: 10.1038/s41467-021-27609-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 11/30/2021] [Indexed: 12/19/2022] Open
Abstract
Efforts to therapeutically target EZH2 have generally focused on inhibition of its methyltransferase activity, although it remains less clear whether this is the central mechanism whereby EZH2 promotes cancer. In the current study, we show that EZH2 directly interacts with both MYC family oncoproteins, MYC and MYCN, and promotes their stabilization in a methyltransferase-independent manner. By competing against the SCFFBW7 ubiquitin ligase to bind MYC and MYCN, EZH2 counteracts FBW7-mediated MYC(N) polyubiquitination and proteasomal degradation. Depletion, but not enzymatic inhibition, of EZH2 induces robust MYC(N) degradation and inhibits tumor cell growth in MYC(N) driven neuroblastoma and small cell lung carcinoma. Here, we demonstrate the MYC family proteins as global EZH2 oncogenic effectors and EZH2 pharmacologic degraders as potential MYC(N) targeted cancer therapeutics, pointing out that MYC(N) driven cancers may develop inherent resistance to the canonical EZH2 enzymatic inhibitors currently in clinical development.
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Affiliation(s)
- Liyuan Wang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Chan Chen
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Zemin Song
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Honghong Wang
- Department of Pathophysiology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Minghui Ye
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Donghai Wang
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Wenqian Kang
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Hudan Liu
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China
| | - Guoliang Qing
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, 430071, China.
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40
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Maegawa S, Gopalakrishnan V. PLK inhibitors come of age in pediatric brain tumors. Neuro Oncol 2022; 24:427-428. [PMID: 35015893 PMCID: PMC8917393 DOI: 10.1093/neuonc/noab298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- Shinji Maegawa
- Department of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Vidya Gopalakrishnan
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA,Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA,Center for Cancer Epigenetics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA,Corresponding Author: Vidya Gopalakrishnan, PhD, 1515 Holcombe Blvd, Unit 853, The University of Texas MD Anderson Cancer Center, Houston, TX 77030 ()
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41
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The MYC oncogene - the grand orchestrator of cancer growth and immune evasion. Nat Rev Clin Oncol 2022; 19:23-36. [PMID: 34508258 PMCID: PMC9083341 DOI: 10.1038/s41571-021-00549-2] [Citation(s) in RCA: 313] [Impact Index Per Article: 156.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2021] [Indexed: 02/08/2023]
Abstract
The MYC proto-oncogenes encode a family of transcription factors that are among the most commonly activated oncoproteins in human neoplasias. Indeed, MYC aberrations or upregulation of MYC-related pathways by alternate mechanisms occur in the vast majority of cancers. MYC proteins are master regulators of cellular programmes. Thus, cancers with MYC activation elicit many of the hallmarks of cancer required for autonomous neoplastic growth. In preclinical models, MYC inactivation can result in sustained tumour regression, a phenomenon that has been attributed to oncogene addiction. Many therapeutic agents that directly target MYC are under development; however, to date, their clinical efficacy remains to be demonstrated. In the past few years, studies have demonstrated that MYC signalling can enable tumour cells to dysregulate their microenvironment and evade the host immune response. Herein, we discuss how MYC pathways not only dictate cancer cell pathophysiology but also suppress the host immune response against that cancer. We also propose that therapies targeting the MYC pathway will be key to reversing cancerous growth and restoring antitumour immune responses in patients with MYC-driven cancers.
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42
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Llombart V, Mansour MR. Therapeutic targeting of "undruggable" MYC. EBioMedicine 2022; 75:103756. [PMID: 34942444 PMCID: PMC8713111 DOI: 10.1016/j.ebiom.2021.103756] [Citation(s) in RCA: 166] [Impact Index Per Article: 83.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/23/2021] [Accepted: 12/01/2021] [Indexed: 12/13/2022] Open
Abstract
c-MYC controls global gene expression and regulates cell proliferation, cell differentiation, cell cycle, metabolism and apoptosis. According to some estimates, MYC is dysregulated in ≈70% of human cancers and strong evidence implicates aberrantly expressed MYC in both tumor initiation and maintenance. In vivo studies show that MYC inhibition elicits a prominent anti-proliferative effect and sustained tumor regression while any alteration on healthy tissue remains reversible. This opens an exploitable window for treatment that makes MYC one of the most appealing therapeutic targets for cancer drug development. This review describes the main functional and structural features of the protein structure of MYC and provides a general overview of the most relevant or recently identified interactors that modulate MYC oncogenic activity. This review also summarizes the different approaches aiming to abrogate MYC oncogenic function, with a particular focus on the prototype inhibitors designed for the direct and indirect targeting of MYC.
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Affiliation(s)
- Victor Llombart
- UCL Cancer Institute, University College London, Department of Haematology, London WC1E 6DD, UK
| | - Marc R Mansour
- UCL Cancer Institute, University College London, Department of Haematology, London WC1E 6DD, UK; UCL Great Ormond Street Institute of Child Health, Developmental Biology and Cancer, London, UK.
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BI-2536 Promotes Neuroblastoma Cell Death via Minichromosome Maintenance Complex Components 2 and 10. Pharmaceuticals (Basel) 2021; 15:ph15010037. [PMID: 35056094 PMCID: PMC8778242 DOI: 10.3390/ph15010037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 12/11/2022] Open
Abstract
DNA replication is initiated with the recognition of the starting point of multiple replication forks by the origin recognition complex and activation of the minichromosome maintenance complex 10 (MCM10). Subsequently, DNA helicase, consisting of the MCM protein subunits MCM2-7, unwinds double-stranded DNA and DNA synthesis begins. In previous studies, replication factors have been used as clinical targets in cancer therapy. The results showed that MCM2 could be a proliferation marker for numerous types of malignant cancer. We analyzed samples obtained from patients with neuroblastoma, revealing that higher levels of MCM2 and MCM10 mRNA were associated with poor survival rate. Furthermore, we combined the results of the perturbation-induced reversal effects on the expression levels of MCM2 and MCM10 and the sensitivity correlation between perturbations and MCM2 and MCM10 from the Cancer Therapeutics Response Portal database. Small molecule BI-2536, a polo-like kinase 1 (PLK-1) inhibitor, is a candidate for the inhibition of MCM2 and MCM10 expression. To test this hypothesis, we treated neuroblastoma cells with BI-2536. The results showed that the drug decreased cell viability and reduced the expression levels of MCM2 and MCM10. Functional analysis further revealed enrichments of gene sets involved in mitochondria, cell cycle, and DNA replication for BI-2536-perturbed transcriptome. We used cellular assays to demonstrate that BI-2536 promoted mitochondria fusion, G2/M arrest, and apoptosis. In summary, our findings provide a new strategy for neuroblastoma therapy with BI-2536.
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44
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Plangger A, Rath B, Hochmair M, Funovics M, Hamilton G. Cytotoxicity of combinations of the pan-KRAS inhibitor BAY-293 against primary non-small lung cancer cells. Transl Oncol 2021; 14:101230. [PMID: 34598083 PMCID: PMC8488304 DOI: 10.1016/j.tranon.2021.101230] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 02/07/2023] Open
Abstract
KRAS is mutated in approximately 25% of Non-small Cell Lung Cancer (NSCLC) patients and first specific inhibitors showed promising responses that may be improved by concurrent interference with downstream signaling pathways. Cell lines exhibiting KRAS mutations show specific sensitivities to modulators affecting glucose utilization, signal transduction and cell survival. Novel SOS1-directed inhibitors with a broader anticancer coverage such as BAY-293 and BI-3406 inhibit KRAS through the hindrance of SOS1-KRAS interactions. The aim of this study was to check the putative synergy of BAY-293 with modulators having revealed specific vulnerabilities of KRAS-mutated cell lines. The present investigation tested the cytotoxicity of BAY-293 combinations against a series of Osimertinib-resistant primary NSCLC cell lines using MTT tests and calculation of combination indices according to the Chou-Talalay method. The results show that BAY-293 synergizes with modulators of glucose metabolism, inhibitors of cellular proliferation, several chemotherapeutics and a range of diverse modulators, thus corroborating the chemosensitivities of cells expressing mutated KRAS. In conclusion, BAY-293 exerts cytotoxicity with a wide range of drugs against Osimertinib-resistant primary NSCLC cell lines. The administration of pan-KRAS inhibitors alone may be limited in vivo by toxicity to normal tissues but made feasible by its use as part of suitable drug combinations. This study shows that BAY-293 combinations are active against NSCLC cells not further amenable to mutated EGFR-directed targeted therapy and results likewise hold relevance for pancreatic and colon cancer.
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Affiliation(s)
- Adelina Plangger
- Institute of Pharmacology, Medical University of Vienna, Währinger Straße 13A, Vienna A-1090, Austria
| | - Barbara Rath
- Institute of Pharmacology, Medical University of Vienna, Währinger Straße 13A, Vienna A-1090, Austria
| | - Maximilian Hochmair
- Department of Respiratory and Critical Care Medicine, Karl Landsteiner Institute of Lung Research and Pulmonary Oncology, Vienna, Austria
| | - Martin Funovics
- Cardiovascular and Interventional Radiology, Department of Bioimaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Gerhard Hamilton
- Institute of Pharmacology, Medical University of Vienna, Währinger Straße 13A, Vienna A-1090, Austria.
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45
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Yu Z, Deng P, Chen Y, Liu S, Chen J, Yang Z, Chen J, Fan X, Wang P, Cai Z, Wang Y, Hu P, Lin D, Xiao R, Zou Y, Huang Y, Yu Q, Lan P, Tan J, Wu X. Inhibition of the PLK1-Coupled Cell Cycle Machinery Overcomes Resistance to Oxaliplatin in Colorectal Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100759. [PMID: 34881526 PMCID: PMC8655181 DOI: 10.1002/advs.202100759] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/29/2021] [Indexed: 06/13/2023]
Abstract
Dysregulation of the cell cycle machinery leads to genomic instability and is a hallmark of cancer associated with chemoresistance and poor prognosis in colorectal cancer (CRC). Identifying and targeting aberrant cell cycle machinery is expected to improve current therapies for CRC patients. Here,upregulated polo-like kinase 1 (PLK1) signaling, accompanied by deregulation of cell cycle-related pathways in CRC is identified. It is shown that aberrant PLK1 signaling correlates with recurrence and poor prognosis in CRC patients. Genetic and pharmacological blockade of PLK1 significantly increases the sensitivity to oxaliplatin in vitro and in vivo. Mechanistically, transcriptomic profiling analysis reveals that cell cycle-related pathways are activated by oxaliplatin treatment but suppressed by a PLK1 inhibitor. Cell division cycle 7 (CDC7) is further identified as a critical downstream effector of PLK1 signaling, which is transactivated via the PLK1-MYC axis. Increased CDC7 expression is also found to be positively correlated with aberrant PLK1 signaling in CRC and is associated with poor prognosis. Moreover, a CDC7 inhibitor synergistically enhances the anti-tumor effect of oxaliplatin in CRC models, demonstrating the potential utility of targeting the PLK1-MYC-CDC7 axis in the treatment of oxaliplatin-based chemotherapy.
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Affiliation(s)
- Zhaoliang Yu
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Peng Deng
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Yufeng Chen
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Shini Liu
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Jinghong Chen
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Zihuan Yang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor DiseasesGuangdong Institute of GastroenterologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Jianfeng Chen
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Xinjuan Fan
- Department of PathologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510060P. R. China
| | - Peili Wang
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Zerong Cai
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Yali Wang
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
| | - Peishan Hu
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor DiseasesGuangdong Institute of GastroenterologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Dezheng Lin
- Department of Endoscopic SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510060P. R. China
| | - Rong Xiao
- Department of Biomedical SciencesCity University of Hong KongHong KongSAR999077China
| | - Yifeng Zou
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Yan Huang
- Department of PathologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510060P. R. China
| | - Qiang Yu
- Cancer and Stem Cell Biology ProgramDuke‐NUS Medical SchoolSingapore169857Singapore
- Genome Institute of SingaporeA*STARSingapore138672Singapore
| | - Ping Lan
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor DiseasesGuangdong Institute of GastroenterologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
| | - Jing Tan
- Sun Yat‐sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center of Cancer MedicineGuangzhouGuangdong510060P. R. China
- Affiliated Cancer Hospital and Institute of Guangzhou Medical UniversityGuangzhouGuangdong510095P. R. China
| | - Xiaojian Wu
- Department of Colorectal SurgeryThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor DiseasesGuangdong Institute of GastroenterologyThe Sixth Affiliated HospitalSun Yat‐sen UniversityGuangzhouGuangdong510655P. R. China
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Lan H, Sun Y. Tumor Suppressor FBXW7 and Its Regulation of DNA Damage Response and Repair. Front Cell Dev Biol 2021; 9:751574. [PMID: 34760892 PMCID: PMC8573206 DOI: 10.3389/fcell.2021.751574] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 10/05/2021] [Indexed: 12/21/2022] Open
Abstract
The proper DNA damage response (DDR) and repair are the central molecular mechanisms for the maintenance of cellular homeostasis and genomic integrity. The abnormality in this process is frequently observed in human cancers, and is an important contributing factor to cancer development. FBXW7 is an F-box protein serving as the substrate recognition component of SCF (SKP1-CUL1-F-box protein) E3 ubiquitin ligase. By selectively targeting many oncoproteins for proteasome-mediated degradation, FBXW7 acts as a typical tumor suppressor. Recent studies have demonstrated that FBXW7 also plays critical roles in the process of DDR and repair. In this review, we first briefly introduce the processes of protein ubiquitylation by SCFFBXW7 and DDR/repair, then provide an overview of the molecular characteristics of FBXW7. We next discuss how FBXW7 regulates the process of DDR and repair, and its translational implication. Finally, we propose few future perspectives to further elucidate the role of FBXW7 in regulation of a variety of biological processes and tumorigenesis, and to design a number of approaches for FBXW7 reactivation in a subset of human cancers for potential anticancer therapy.
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Affiliation(s)
- Huiyin Lan
- Department of Thoracic Radiation Oncology, Zhejiang Cancer Hospital, Cancer Hospital of University of Chinese Academy of Sciences, Hangzhou, China.,Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China
| | - Yi Sun
- Cancer Institute of the Second Affiliated Hospital, Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China.,Cancer Center, Zhejiang University, Hangzhou, China
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47
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Iliaki S, Beyaert R, Afonina IS. Polo-like kinase 1 (PLK1) signaling in cancer and beyond. Biochem Pharmacol 2021; 193:114747. [PMID: 34454931 DOI: 10.1016/j.bcp.2021.114747] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 02/07/2023]
Abstract
PLK1 is an evolutionary conserved Ser/Thr kinase that is best known for its role in cell cycle regulation and is expressed predominantly during the G2/S and M phase of the cell cycle. PLK1-mediated phosphorylation of specific substrates controls cell entry into mitosis, centrosome maturation, spindle assembly, sister chromatid cohesion and cytokinesis. In addition, a growing body of evidence describes additional roles of PLK1 beyond the cell cycle, more specifically in the DNA damage response, autophagy, apoptosis and cytokine signaling. PLK1 has an indisputable role in cancer as it controls several key transcription factors and promotes cell proliferation, transformation and epithelial-to-mesenchymal transition. Furthermore, deregulation of PLK1 results in chromosome instability and aneuploidy. PLK1 is overexpressed in many cancers, which is associated with poor prognosis, making PLK1 an attractive target for cancer treatment. Additionally, PLK1 is involved in immune and neurological disorders including Graft versus Host Disease, Huntington's disease and Alzheimer's disease. Unfortunately, newly developed small compound PLK1 inhibitors have only had limited success so far, due to low therapeutic response rates and toxicity. In this review we will highlight the current knowledge about the established roles of PLK1 in mitosis regulation and beyond. In addition, we will discuss its tumor promoting but also tumor suppressing capacities, as well as the available PLK1 inhibitors, elaborating on their efficacy and limitations.
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Affiliation(s)
- Styliani Iliaki
- Center for Inflammation Research, Unit of Molecular Signal Transduction in Inflammation, VIB, B-9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, B-9052 Ghent, Belgium
| | - Rudi Beyaert
- Center for Inflammation Research, Unit of Molecular Signal Transduction in Inflammation, VIB, B-9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, B-9052 Ghent, Belgium.
| | - Inna S Afonina
- Center for Inflammation Research, Unit of Molecular Signal Transduction in Inflammation, VIB, B-9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, B-9052 Ghent, Belgium
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48
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Szydłowski M, Garbicz F, Jabłońska E, Górniak P, Komar D, Pyrzyńska B, Bojarczuk K, Prochorec-Sobieszek M, Szumera-Ciećkiewicz A, Rymkiewicz G, Cybulska M, Statkiewicz M, Gajewska M, Mikula M, Gołas A, Domagała J, Winiarska M, Graczyk-Jarzynka A, Białopiotrowicz E, Polak A, Barankiewicz J, Puła B, Pawlak M, Nowis D, Golab J, Tomirotti AM, Brzózka K, Pacheco-Blanco M, Kupcova K, Green MR, Havranek O, Chapuy B, Juszczyński P. Inhibition of PIM Kinases in DLBCL Targets MYC Transcriptional Program and Augments the Efficacy of Anti-CD20 Antibodies. Cancer Res 2021; 81:6029-6043. [PMID: 34625423 DOI: 10.1158/0008-5472.can-21-1023] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 08/18/2021] [Accepted: 10/07/2021] [Indexed: 11/16/2022]
Abstract
The family of PIM serine/threonine kinases includes three highly conserved oncogenes, PIM1, PIM2, and PIM3, which regulate multiple pro-survival pathways and cooperate with other oncogenes such as MYC. Recent genomic CRISPR-Cas9 screens further highlighted oncogenic functions of PIMs in diffuse large B cell lymphoma (DLBCL) cells, justifying development of small molecule PIM inhibitors and therapeutic targeting of PIM kinases in lymphomas. However, detailed consequences of PIM inhibition in DLBCL remain undefined. Using chemical and genetic PIM blockade, we comprehensively characterized PIM kinase-associated pro-survival functions in DLBCL and the mechanisms of PIM inhibition-induced toxicity. Treatment of DLBCL cells with SEL24/MEN1703, a pan PIM inhibitor in clinical development, decreased BAD phosphorylation and cap-dependent protein translation, reduced MCL1 expression, and induced apoptosis. PIM kinases were tightly coexpressed with MYC in diagnostic DLBCL biopsies, and PIM inhibition in cell lines and patient-derived primary lymphoma cells decreased MYC levels as well as expression of multiple MYC-dependent genes, including PLK1. Chemical and genetic PIM inhibition upregulated surface CD20 levels in a MYC-dependent fashion. Consistently, MEN1703 and other clinically available pan-PIM inhibitors synergized with the anti-CD20 monoclonal antibody rituximab in vitro, increasing complement-dependent cytotoxicity and antibody-mediated phagocytosis. Combined treatment with PIM inhibitor and rituximab suppressed tumor growth in lymphoma xenografts more efficiently than either drug alone. Taken together, these results show that targeting PIM in DLBCL exhibits pleiotropic effects that combine direct cytotoxicity with potentiated susceptibility to anti-CD20 antibodies, justifying further clinical development of such combinatorial strategies.
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Affiliation(s)
- Maciej Szydłowski
- Dept. of Experimental Hematology, Institute of Hematology and Transfusion Medicine
| | - Filip Garbicz
- Dept. of Experimental Hematology, Institute of Hematology and Transfusion Medicine
| | - Ewa Jabłońska
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine
| | - Patryk Górniak
- Dept. of Experimental Hematology, Institute of Hematology and Transfusion Medicine
| | - Dorota Komar
- Dept. of Experimental Hematology, Institute of Hematology and Transfusion Medicine
| | | | - Kamil Bojarczuk
- Department of Hematology and Medical Oncology, University Medical Center - Georg-August-Universität Göttingen
| | | | - Anna Szumera-Ciećkiewicz
- Department of Pathology and Laboratory Diagnostics, IMaria Sklodowska-Curie National Research Institute of Oncology
| | - Grzegorz Rymkiewicz
- Dept. of Pathology and Laboratory Diagnostics, National Research Institute of Oncology
| | | | | | - Marta Gajewska
- Dept. of Genetics, National Research Institute of Oncology
| | - Michal Mikula
- Maria Sklodowska-Curie Memorial Cancer Center and Institute of Oncology
| | | | | | | | | | | | - Anna Polak
- Department of Diagnostic Hematology, Institute of Hematology and Transfusion Medicine
| | | | - Bartosz Puła
- Dept. of Hematology, Institute of Hematology and Transfusion Medicine
| | - Michał Pawlak
- Dept. of Experimental Hematology, Institute of Hematology and Transfusion Medicine
| | - Dominika Nowis
- Laboratory of Experimental Medicine, Medical University of Warsaw
| | - Jakub Golab
- Department of Immunology, Medical University of Warsaw
| | | | | | | | | | - Michael R Green
- Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center
| | | | - Bjoern Chapuy
- Department of Hematology and Medical Oncology, Universitätsmedizin Göttingen
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49
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Xie Y, Zhang W, Guo L, Kril LM, Begley KL, Sviripa VM, Chen X, Liu X, Lee EY, He D, Wang C, Gao T, Liu X, Evers BM, Watt DS, Liu C. Potent Synergistic Effect on C-Myc-Driven Colorectal Cancers Using a Novel Indole-Substituted Quinoline with a Plk1 Inhibitor. Mol Cancer Ther 2021; 20:1893-1903. [PMID: 34376582 PMCID: PMC8492540 DOI: 10.1158/1535-7163.mct-20-1017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/24/2021] [Accepted: 07/23/2021] [Indexed: 11/16/2022]
Abstract
Developing effective treatments for colorectal cancers through combinations of small-molecule approaches and immunotherapies present intriguing possibilities for managing these otherwise intractable cancers. During a broad-based, screening effort against multiple colorectal cancer cell lines, we identified indole-substituted quinolines (ISQ), such as N7,N7 -dimethyl-3-(1-methyl-1H-indol-3-yl)quinoline-2,7-diamine (ISQ-1), as potent in vitro inhibitors of several cancer cell lines. We found that ISQ-1 inhibited Wnt signaling, a main driver in the pathway governing colorectal cancer development, and ISQ-1 also activated adenosine monophosphate kinase (AMPK), a cellular energy-homeostasis master regulator. We explored the effect of ISQs on cell metabolism. Seahorse assays measuring oxygen consumption rate (OCR) indicated that ISQ-1 inhibited complex I (i.e., NADH ubiquinone oxidoreductase) in the mitochondrial, electron transport chain (ETC). In addition, ISQ-1 treatment showed remarkable synergistic depletion of oncogenic c-Myc protein level in vitro and induced strong tumor remission in vivo when administered together with BI2536, a polo-like kinase-1 (Plk1) inhibitor. These studies point toward the potential value of dual drug therapies targeting the ETC and Plk-1 for the treatment of c-Myc-driven cancers.
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Affiliation(s)
- Yanqi Xie
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Wen Zhang
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Lichao Guo
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Liliia M Kril
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Kristin L Begley
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Vitaliy M Sviripa
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Xi Chen
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Xifu Liu
- Center for Drug Innovation and Discovery, Hebei Normal University, Shijiazhuang, Hebei, People's Republic of China
| | - Eun Y Lee
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Department of Pathology & Laboratory Medicine, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - Daheng He
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Chi Wang
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Tianyan Gao
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
| | - Xiaoqi Liu
- Department of Toxicology and Cancer Biology, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - B Mark Evers
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Department of Surgery, College of Medicine, University of Kentucky, Lexington, Kentucky
| | - David S Watt
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky.
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, Kentucky
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky
| | - Chunming Liu
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, Kentucky.
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, Kentucky
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50
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De Wyn J, Zimmerman MW, Weichert-Leahey N, Nunes C, Cheung BB, Abraham BJ, Beckers A, Volders PJ, Decaesteker B, Carter DR, Look AT, De Preter K, Van Loocke W, Marshall GM, Durbin AD, Speleman F, Durinck K. MEIS2 Is an Adrenergic Core Regulatory Transcription Factor Involved in Early Initiation of TH-MYCN-Driven Neuroblastoma Formation. Cancers (Basel) 2021; 13:cancers13194783. [PMID: 34638267 PMCID: PMC8508013 DOI: 10.3390/cancers13194783] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Neuroblastoma is a pediatric tumor originating from the sympathetic nervous system responsible for 10–15% of all childhood cancer deaths. Half of all neuroblastoma patients present with high-risk disease, of which nearly 50% relapse and die of their disease. In addition, standard therapies cause serious lifelong side effects and increased risk for secondary tumors. Further research is crucial to better understand the molecular basis of neuroblastomas and to identify novel druggable targets. Neuroblastoma tumorigenesis has to this end been modeled in both mice and zebrafish. Here, we present a detailed dissection of the gene expression patterns that underlie tumor formation in the murine TH-MYCN-driven neuroblastoma model. We identified key factors that are putatively important for neuroblastoma tumor initiation versus tumor progression, pinpointed crucial regulators of the observed expression patterns during neuroblastoma development and scrutinized which factors could be innovative and vulnerable nodes for therapeutic intervention. Abstract Roughly half of all high-risk neuroblastoma patients present with MYCN amplification. The molecular consequences of MYCN overexpression in this aggressive pediatric tumor have been studied for decades, but thus far, our understanding of the early initiating steps of MYCN-driven tumor formation is still enigmatic. We performed a detailed transcriptome landscaping during murine TH-MYCN-driven neuroblastoma tumor formation at different time points. The neuroblastoma dependency factor MEIS2, together with ASCL1, was identified as a candidate tumor-initiating factor and shown to be a novel core regulatory circuit member in adrenergic neuroblastomas. Of further interest, we found a KEOPS complex member (gm6890), implicated in homologous double-strand break repair and telomere maintenance, to be strongly upregulated during tumor formation, as well as the checkpoint adaptor Claspin (CLSPN) and three chromosome 17q loci CBX2, GJC1 and LIMD2. Finally, cross-species master regulator analysis identified FOXM1, together with additional hubs controlling transcriptome profiles of MYCN-driven neuroblastoma. In conclusion, time-resolved transcriptome analysis of early hyperplastic lesions and full-blown MYCN-driven neuroblastomas yielded novel components implicated in both tumor initiation and maintenance, providing putative novel drug targets for MYCN-driven neuroblastoma.
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Affiliation(s)
- Jolien De Wyn
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Mark W. Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA; (M.W.Z.); (N.W.-L.); (A.T.L.)
| | - Nina Weichert-Leahey
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA; (M.W.Z.); (N.W.-L.); (A.T.L.)
| | - Carolina Nunes
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Belamy B. Cheung
- Lowy Cancer Research Centre, Children’s Cancer Institute Australia for Medical Research, UNSW Sydney, Randwick, NSW 2031, Australia; (B.B.C.); (D.R.C.); (G.M.M.)
- School of Women’s and Children’s Health, UNSW Sydney, Randwick, NSW 2031, Australia
| | - Brian J. Abraham
- Department of Computational Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105-3678, USA;
| | - Anneleen Beckers
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Pieter-Jan Volders
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Bieke Decaesteker
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Daniel R. Carter
- Lowy Cancer Research Centre, Children’s Cancer Institute Australia for Medical Research, UNSW Sydney, Randwick, NSW 2031, Australia; (B.B.C.); (D.R.C.); (G.M.M.)
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Alfred Thomas Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02215, USA; (M.W.Z.); (N.W.-L.); (A.T.L.)
| | - Katleen De Preter
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Wouter Van Loocke
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Glenn M. Marshall
- Lowy Cancer Research Centre, Children’s Cancer Institute Australia for Medical Research, UNSW Sydney, Randwick, NSW 2031, Australia; (B.B.C.); (D.R.C.); (G.M.M.)
- Kids Cancer Centre, Sydney Children’s Hospital, Randwick, NSW 2031, Australia
| | - Adam D. Durbin
- Department of Oncology, Division of Molecular Oncology, St. Jude Children’s Research Hospital, Memphis, TN 38105-3678, USA;
| | - Frank Speleman
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
| | - Kaat Durinck
- Department for Biomolecular Medicine, Ghent University, Medical Research Building (MRB1), Corneel Heymanslaan 10, B-9000 Ghent, Belgium; (J.D.W.); (C.N.); (A.B.); (P.-J.V.); (B.D.); (K.D.P.); (W.V.L.); (F.S.)
- Correspondence: ; Tel.: +32-9-332-24-51
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