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Mori M, Kubota Y, Durmaz A, Gurnari C, Goodings C, Adema V, Ponvilawan B, Bahaj WS, Kewan T, LaFramboise T, Meggendorfer M, Haferlach C, Barnard J, Wlodarski M, Visconte V, Haferlach T, Maciejewski JP. Genomics of deletion 7 and 7q in myeloid neoplasm: from pathogenic culprits to potential synthetic lethal therapeutic targets. Leukemia 2023; 37:2082-2093. [PMID: 37634012 PMCID: PMC10539177 DOI: 10.1038/s41375-023-02003-x] [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: 03/30/2023] [Revised: 07/27/2023] [Accepted: 08/08/2023] [Indexed: 08/28/2023]
Abstract
Complete or partial deletions of chromosome 7 (-7/del7q) belong to the most frequent chromosomal abnormalities in myeloid neoplasm (MN) and are associated with a poor prognosis. The disease biology of -7/del7q and the genes responsible for the leukemogenic properties have not been completely elucidated. Chromosomal deletions may create clonal vulnerabilities due to haploinsufficient (HI) genes contained in the deleted regions. Therefore, HI genes are potential targets of synthetic lethal strategies. Through the most comprehensive multimodal analysis of more than 600 -7/del7q MN samples, we elucidated the disease biology and qualified a list of most consistently deleted and HI genes. Among them, 27 potentially synthetic lethal target genes were identified with the following properties: (i) unaffected genes by hemizygous/homozygous LOF mutations; (ii) prenatal lethality in knockout mice; and (iii) vulnerability of leukemia cells by CRISPR and shRNA knockout screens. In -7/del7q cells, we also identified 26 up or down-regulated genes mapping on other chromosomes as downstream pathways or compensation mechanisms. Our findings shed light on the pathogenesis of -7/del7q MNs, while 27 potential synthetic lethal target genes and 26 differential expressed genes allow for a therapeutic window of -7/del7q.
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Affiliation(s)
- Minako Mori
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
- Department of Hematology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Yasuo Kubota
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Arda Durmaz
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Carmelo Gurnari
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
- Department of Biomedicine and Prevention, Ph.D. in Immunology, Molecular Medicine and Applied Biotechnology, University of Rome Tor Vergata, Rome, Italy
| | - Charnise Goodings
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Vera Adema
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ben Ponvilawan
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Waled S Bahaj
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Tariq Kewan
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Thomas LaFramboise
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | | | | | - John Barnard
- Department of Quantitative Health Sciences, Cleveland Clinic, Lerner Research Institute, Cleveland, OH, USA
| | - Marcin Wlodarski
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Valeria Visconte
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | | | - Jaroslaw P Maciejewski
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH, USA.
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Zhan Q, Zhang H, Wu B, Zhang N, Zhang L. E3 ubiquitin ligases in the acute leukemic signaling pathways. Front Physiol 2022; 13:1004330. [PMID: 36439256 PMCID: PMC9691902 DOI: 10.3389/fphys.2022.1004330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 10/28/2022] [Indexed: 11/13/2022] Open
Abstract
Acute leukemia is a common hematologic tumor with highly genetic heterogeneity, and many factors are involved in the pathogenesis and drug-resistance mechanism. Emerging evidence proves that E3 ubiquitin ligases participate in the acute leukemic signaling pathways via regulating substrates. This review summarized the E3 ligases which can affect the leukemic signal. It is worth noting that the abnormal signal is often caused by a deficiency or a mutation of the E3 ligases. In view of this phenomenon, we envisioned perspectives associated with targeted agonists of E3 ligases and proteolysis-targeting chimera technology. Moreover, we emphasized the significance of research into the upstream factors regulating the expression of E3 ubiquitin ligases. It is expected that the understanding of the mechanism of leukemic signaling pathways with which that E3 ligases are involved will be beneficial to accelerating the process of therapeutic strategy improvement for acute leukemia.
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Affiliation(s)
- Qianru Zhan
- Department of Hematology, The First Hospital of China Medical University, Shenyang, China
| | - Heyang Zhang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, China
| | - Boquan Wu
- Department of Cardiology, The First Hospital of China Medical University, Shenyang, China
| | - Naijin Zhang
- Department of Cardiology, The First Hospital of China Medical University, Shenyang, China
- *Correspondence: Lijun Zhang, ; Naijin Zhang,
| | - Lijun Zhang
- Department of Hematology, The First Hospital of China Medical University, Shenyang, China
- *Correspondence: Lijun Zhang, ; Naijin Zhang,
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Watanabe Y, Nakagawa T, Akiyama T, Nakagawa M, Suzuki N, Warita H, Aoki M, Nakayama K. An Amyotrophic Lateral Sclerosis-Associated Mutant of C21ORF2 Is Stabilized by NEK1-Mediated Hyperphosphorylation and the Inability to Bind FBXO3. iScience 2020; 23:101491. [PMID: 32891887 PMCID: PMC7481237 DOI: 10.1016/j.isci.2020.101491] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/18/2020] [Accepted: 08/19/2020] [Indexed: 11/21/2022] Open
Abstract
C21ORF2 and NEK1 have been identified as amyotrophic lateral sclerosis (ALS)-associated genes. Both genes are also mutated in certain ciliopathies, suggesting that they might contribute to the same signaling pathways. Here we show that FBXO3, the substrate receptor of an SCF ubiquitin ligase complex, binds and ubiquitylates C21ORF2, thereby targeting it for proteasomal degradation. C21ORF2 stabilizes the kinase NEK1, with the result that loss of FBXO3 stabilizes not only C21ORF2 but also NEK1. Conversely, NEK1-mediated phosphorylation stabilizes C21ORF2 by attenuating its interaction with FBXO3. We found that the ALS-associated V58L mutant of C21ORF2 is more susceptible to phosphorylation by NEK1, with the result that it is not ubiquitylated by FBXO3 and therefore accumulates together with NEK1. Expression of C21ORF2(V58L) in motor neurons induced from mouse embryonic stem cells impaired neurite outgrowth. We suggest that inhibition of NEK1 activity is a potential therapeutic approach to ALS associated with C21ORF2 mutation.
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Affiliation(s)
- Yasuaki Watanabe
- Department of Neurology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan; Division of Cell Proliferation, ART, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Tadashi Nakagawa
- Division of Cell Proliferation, ART, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Tetsuya Akiyama
- Department of Neurology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Makiko Nakagawa
- Division of Cell Proliferation, ART, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Naoki Suzuki
- Department of Neurology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Hitoshi Warita
- Department of Neurology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Masashi Aoki
- Department of Neurology, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Keiko Nakayama
- Division of Cell Proliferation, ART, Graduate School of Medicine, Tohoku University, Sendai, Miyagi 980-8575, Japan.
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5
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Zhang Z, Hu Q, Xu W, Liu W, Liu M, Sun Q, Ye Z, Fan G, Qin Y, Xu X, Yu X, Ji S. Function and regulation of F-box/WD repeat-containing protein 7. Oncol Lett 2020; 20:1526-1534. [PMID: 32724394 PMCID: PMC7377190 DOI: 10.3892/ol.2020.11728] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 04/16/2020] [Indexed: 01/03/2023] Open
Abstract
The ubiquitin-proteasome system is an important post-translational modification system involved in numerous biological processes, such as cell cycle regulation, gene transcription, signal transduction, apoptosis, differentiation and development. F-box/WD repeat-containing protein 7 (FBXW7) is one of the most studied F-box (FBX) proteins, serving as substrate recognition component of S phase kinase-associated protein 1-Cullin 1-FBX protein complexes. As a tumor suppressor, FBXW7 recognizes numerous proto-oncoproteins and promotes their ubiquitination and subsequent proteasomal degradation. FBXW7 is regulated at different levels, leading to tunable and specific control of the activity and abundance of its substrates. Therefore, genetic mutations or decreases in its expression serve an important biological role in tumor development. In-depth studies and identification of additional substrates targeted by FBXW7 have suggested a signaling network regulated by FBXW7, including its tumor-inhibitory role. The present review focused on the role of FBXW7 in tumor suppression and its application in cancer therapy.
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Affiliation(s)
- Zheng Zhang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Qiangsheng Hu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Wenyan Xu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Wensheng Liu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Mengqi Liu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Qiqing Sun
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Zeng Ye
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Guixiong Fan
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Yi Qin
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Xiaowu Xu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Xianjun Yu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
| | - Shunrong Ji
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, P.R. China.,Shanghai Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China.,Pancreatic Cancer Institute, Fudan University, Shanghai 200032, P.R. China
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