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Chandrasekar AP, Maynes M, Badley AD. Dynamic modulation of the non-canonical NF-κB signaling pathway for HIV shock and kill. Front Cell Infect Microbiol 2024; 14:1354502. [PMID: 38505285 PMCID: PMC10949532 DOI: 10.3389/fcimb.2024.1354502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 02/16/2024] [Indexed: 03/21/2024] Open
Abstract
HIV cure still remains an elusive target. The "Shock and Kill" strategy which aims to reactivate HIV from latently infected cells and subsequently kill them through virally induced apoptosis or immune mediated clearance, is the subject of widespread investigation. NF-κB is a ubiquitous transcription factor which serves as a point of confluence for a number of intracellular signaling pathways and is also a crucial regulator of HIV transcription. Due to its relatively lower side effect profile and proven role in HIV transcription, the non-canonical NF-κB pathway has emerged as an attractive target for HIV reactivation, as a first step towards eradication. A comprehensive review examining this pathway in the setting of HIV and its potential utility to cure efforts is currently lacking. This review aims to summarize non-canonical NF-κB signaling and the importance of this pathway in HIV shock-and-kill efforts.
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Affiliation(s)
- Aswath P. Chandrasekar
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester MN, United States
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN, United States
| | - Mark Maynes
- Department of Immunology, Mayo Clinic, Rochester, MN, United States
- Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, United States
| | - Andrew D. Badley
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN, United States
- Department of Molecular Medicine, Mayo Clinic, Rochester, MN, United States
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2
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Li Y, Liu X, Fujinaga K, Gross JD, Frankel AD. Enhanced NF-κB activation via HIV-1 Tat-TRAF6 cross-talk. SCIENCE ADVANCES 2024; 10:eadi4162. [PMID: 38241362 PMCID: PMC10798561 DOI: 10.1126/sciadv.adi4162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 12/21/2023] [Indexed: 01/21/2024]
Abstract
The Tat proteins of HIV-1 and simian immunodeficiency virus (SIV) are essential for activating viral transcription. In addition, Tat stimulates nuclear factor κB (NF-κB) signaling pathways to regulate viral gene expression although its molecular mechanism is unclear. Here, we report that Tat directly activates NF-κB through the interaction with TRAF6, which is an essential upstream signaling molecule of the canonical NF-κB pathway. This interaction increases TRAF6 oligomerization and auto-ubiquitination, as well as the synthesis of K63-linked polyubiquitin chains to further activate the NF-κB pathway and HIV-1 transcription. Moreover, ectopic expression of TRAF6 significantly activates HIV-1 transcription, whereas TRAF6 knockdown inhibits transcription. Furthermore, Tat-mediated activation of NF-κB through TRAF6 is conserved among HIV-1, HIV-2, and SIV isolates. Our study uncovers yet another mechanism by which HIV-1 subverts host transcriptional pathways to enhance its own transcription.
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Affiliation(s)
- Yang Li
- Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94158, USA
| | - Xi Liu
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA
| | - Koh Fujinaga
- Department of Medicine, University of California, San Francisco, CA 94143, USA
| | - John D. Gross
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA
| | - Alan D. Frankel
- Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94158, USA
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Zeng F, Li D, Kang X, Wu Q, Song M, Ou Z, Yang Z, Yang J, Luo L. MALAT1 promotes FOXA1 degradation by competitively binding to miR-216a-5p and enhancing neuroendocrine differentiation in prostate cancer. Transl Oncol 2024; 39:101807. [PMID: 38235618 PMCID: PMC10628887 DOI: 10.1016/j.tranon.2023.101807] [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: 05/30/2023] [Revised: 08/29/2023] [Accepted: 10/18/2023] [Indexed: 01/19/2024] Open
Abstract
OBJECTIVES Prostate cancer (PC) is a leading cause of cancer-related death in males worldwide. Neuroendocrine differentiation (NED) is a feature of PC that often goes undetected and is associated with poor patient outcomes. Long non-coding RNAs (lncRNAs), microRNAs (miRNAs/miRs), and messenger RNAs (mRNAs) play important roles in the development and progression of PC. METHODS In this study, we used transcriptome sequencing and bioinformatics analysis to identify key regulators of NED in PC. Specifically, we examined the expression of PC-related lncRNAs, miRNAs, and mRNAs in PC cells and correlated these findings with NED phenotypes. RESULTS Our data revealed that metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) and zinc finger protein 91 (ZFP91) were upregulated in PC, while miR-216a-5p was down-regulated. Ectopic expression of MALAT1 induced NED and promoted malignant phenotypes of PC cells. Furthermore, we found that MALAT1 competitively bound to miR-216a-5p, upregulated ZFP91, and promoted the degradation of forkhead box A1 (FOXA1), a key gene involved in NED of PC. CONCLUSION Taken together, these results suggest that MALAT1 plays an oncogenic role in NED and metastasis of PC via the miR-216a-5p/ZFP91/FOXA1 pathway. Our study highlights the potential of targeting this pathway as a novel therapeutic strategy for PC.
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Affiliation(s)
- Fanchang Zeng
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Daoyuan Li
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Xinli Kang
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Qinghui Wu
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Mi Song
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Zhewen Ou
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Zuobing Yang
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Jing Yang
- Department of Urology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou 570311, China
| | - Liumei Luo
- Department of Scientific Research, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No. 19, Xiuhua Road, Xiuying District, Haikou, Hainan 570311, China.
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Guan J, Fan Y, Wang S, Zhou F. Functions of MAP3Ks in antiviral immunity. Immunol Res 2023; 71:814-832. [PMID: 37286768 PMCID: PMC10247270 DOI: 10.1007/s12026-023-09401-4] [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: 11/21/2022] [Accepted: 06/01/2023] [Indexed: 06/09/2023]
Abstract
Immune signal transduction is crucial to the body's defense against viral infection. Recognition of pathogen-associated molecular patterns by pattern recognition receptors (PRRs) activates the transcription of interferon regulators and nuclear factor-κB (NF-κB); this promotes the release of interferons and inflammatory factors. Efficient regulation of type I interferon and NF-κB signaling by members of the mitogen-activated protein (MAP) kinase kinase kinase (MAP3K) family plays an important role in antiviral immunity. Elucidating the specific roles of MAP3K activation during viral infection is essential to develop effective antiviral therapies. In this review, we outline the specific regulatory mechanisms of MAP3Ks in antiviral immunity and discuss the feasibility of targeting MAP3Ks for the treatment of virus-induced diseases.
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Affiliation(s)
- Jizhong Guan
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China
| | - Yao Fan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Shuai Wang
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, China.
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Sun P, Jiang P, Liu Q, Zhang R, Wang Z, Cao H, Ye X, Ji S, Han J, Lu K, He X, Fan J, Cao D, Zhang Y, Yin Y, Chen Y, Zhao X, Ye S, Su N, Du X, Ma L, Li C. Parvovirus B19 DNA and antibodies in Chinese plasma donors, plasma pools and plasma derivatives. PeerJ 2023; 11:e15698. [PMID: 37554334 PMCID: PMC10405795 DOI: 10.7717/peerj.15698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 06/14/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND Human parvovirus B19 (B19V) is a common contaminant found in plasma pools and plasma derivatives. Previous studies were mainly focused on limited aspects, further assessment of prevalence of B19V DNA and antibodies in plasma donors, the contamination of B19V in pooled plasma and plasma derivatives should be performed in China. STUDY DESIGN AND METHODS Individual plasma donors' samples from four provinces and pooled plasma from four Chinese blood product manufacturers were collected and screened using B19V DNA diagnostic kits between October 2018 and May 2020. The positive samples were investigated for the seroprevalence of B19V antibodies and subjected to sequence analysis and alignment for phylogenetic studies. Moreover, 11 plasma donors who were B19V DNA-positive at their first testing were also followed during the later donation period. Additionally, 400 plasma pools and 20 batches of plasma derivatives produced by pooled plasma with a viral load of B19V DNA exceeding 104IU/mL were also collected and tested for B19V DNA and antibodies. OBJECTIVES To comprehensively and systematically determine the frequency and viral load of B19V DNA in plasma donors, pooled plasma, and plasma derivatives from four Chinese blood product manufacturers. RESULTS A total of 17,187 plasma donors were analyzed and 44 (0.26%) specimens were found positive for B19V DNA. The quantitative DNA levels ranged from 1.01 × 101 to 5.09 × 1012 IU/mL. Forty-four DNA-positive specimens were also investigated for the seroprevalence of B19V antibodies, 75.0% and 2.3% of which were seropositive for B19V IgG and IgM antibodies, respectively. The phylogenic analyses showed that the prevalent genotypes in the four provinces' plasma donors belonged to B19V Genotype 1. Eleven individual plasma donors who were B19V DNA-positive at the first donation were then followed for a period, and in general, the DNA levels of B19V gradually decreased. Moreover, 64.8% (259/400) of the pooled plasma was contaminated by B19V, with concentrations of 1.05 × 100-3.36 × 109IU/mL. Approximately 72.6% of the DNA-positive plasma pools were only moderately contaminated (<104 IU/mL), while 27.4% contained >104 IU/mL. Twenty batches of plasma derivatives produced by pooled plasma with a viral load of B19V DNA exceeding 104IU/mL were also tested. B19V was detected in 5/5 PCC samples and 5/5 factor VIII samples but was not found in the intravenous immune globulin and albumin samples. CONCLUSION The contamination of B19V in pooled plasma and plasma-derived clotting factor concentrates is serious. Whether B19V nucleic acid testing (NAT) screening of plasma and plasma derivatives is launched in China, blood product manufacturers should spontaneously perform B19V NAT screening in plasma donors and mini-pool plasma. These measures can ensure that samples with high titer B19V DNA are discarded in order to prevent and control this transfusion transmitted virus.
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Affiliation(s)
- Pan Sun
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Peng Jiang
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Qing Liu
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Rong Zhang
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Zongkui Wang
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Haijun Cao
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | | | - Shangzhi Ji
- Beijing Wantai Biological Pharmacy, Beijing, China
| | - Jinle Han
- Beijing Wantai Biological Pharmacy, Beijing, China
| | - Kuilin Lu
- Chengdu Rongsheng Pharmaceutical Co., Ltd., Chengdu, China
| | - Xuexin He
- Chengdu Rongsheng Pharmaceutical Co., Ltd., Chengdu, China
| | - Jiajin Fan
- Shandong Taibang Biological Products Co., Ltd., Taian, China
| | - Dawei Cao
- Shandong Taibang Biological Products Co., Ltd., Taian, China
| | - Yu Zhang
- Hualan Biological Products Co., Ltd., Xinxiang, China
| | - Yongsheng Yin
- Hualan Biological Products Co., Ltd., Xinxiang, China
| | - Yunhua Chen
- Guizhou Taibang Biological Products Co., Ltd, Guiyang, China
| | - Xuemei Zhao
- Guizhou Taibang Biological Products Co., Ltd, Guiyang, China
| | - Shengliang Ye
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Na Su
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Xi Du
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Li Ma
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
| | - Changqing Li
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, China
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Wang Y, Liu X, Huang W, Liang J, Chen Y. The intricate interplay between HIFs, ROS, and the ubiquitin system in the tumor hypoxic microenvironment. Pharmacol Ther 2022; 240:108303. [PMID: 36328089 DOI: 10.1016/j.pharmthera.2022.108303] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/16/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022]
Abstract
Alterations in protein ubiquitination and hypoxia-inducible factor (HIF) signaling both contribute to tumorigenesis and tumor progression. Ubiquitination is a dynamic process that is coordinately regulated by E3 ligases and deubiquitinases (DUBs), which have emerged as attractive therapeutic targets. HIF expression and transcriptional activity are usually increased in tumors, leading to poor clinical outcomes. Reactive oxygen species (ROS) are upregulated in tumors and have multiple effects on HIF signaling and the ubiquitin system. A growing body of evidence has shown that multiple E3 ligases and UBDs function synergistically to control the expression and activity of HIF, thereby allowing cancer cells to cope with the hypoxic microenvironment. Conversely, several E3 ligases and DUBs are regulated by hypoxia and/or HIF signaling. Hypoxia also induces ROS production, which in turn modulates the stability or activity of HIF, E3 ligases, and DUBs. Understanding the complex networks between E3 ligase, DUBs, ROS, and HIF will provide insights into the fundamental mechanism of the cellular response to hypoxia and help identify novel molecular targets for cancer treatment. We review the current knowledge on the comprehensive relationship between E3 ligase, DUBs, ROS, and HIF signaling, with a particular focus on the use of E3 ligase or DUB inhibitors in cancer.
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Affiliation(s)
- Yijie Wang
- Institute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, Center for Cell Structure and Function, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China
| | - Xiong Liu
- School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Weixiao Huang
- School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China
| | - Junjie Liang
- The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China.
| | - Yan Chen
- Institute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, Center for Cell Structure and Function, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China; School of Medicine, Jinan University, Guangzhou, Guangdong 510632, China.
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7
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Liu TT, Yang H, Zhuo FF, Yang Z, Zhao MM, Guo Q, Liu Y, Liu D, Zeng KW, Tu PF. Atypical E3 ligase ZFP91 promotes small-molecule-induced E2F2 transcription factor degradation for cancer therapy. EBioMedicine 2022; 86:104353. [PMID: 36375317 PMCID: PMC9667253 DOI: 10.1016/j.ebiom.2022.104353] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The E2F family of transcription factors play a crucial role in the development of various cancers. However, E2F members lack targetable binding pockets and are typically considered "undruggable". Unlike canonical small-molecule therapeutics, molecular glues mediate new E3 ligase-protein interactions to induce selective proteasomal degradation, which represents an attractive option to overcome these limitations. METHODS Human proteome microarray was utilized to identify a natural product-derived molecular glue for targeting E2F2 degradation. Co-IP analysis with stable isotope labeling of amino acids in cell culture (SILAC)-based quantitative proteomics was carried out to further explore the E3 ligase for E2F2 degradation. FINDINGS In this study, we identified a molecular glue bufalin, which significantly promoted E2F2 degradation. Unexpectedly, E2F2 underwent ubiquitination and proteasomal degradation via a previously undisclosed atypical E3 ligase, zinc finger protein 91 (ZFP91). In particular, we observed that bufalin markedly promoted E2F2-ZFP91 complex formation, thereby leading to E2F2 polyubiquitination via K48-linked ubiquitin chains for degradation. E2F2 degradation subsequently caused transcriptional suppression of multiple oncogenes including c-Myc, CCNE1, CCNE2, MCM5 and CDK1, and inhibited hepatocellular carcinoma growth in vitro and in vivo. INTERPRETATION Collectively, our findings open up a new direction for transcription factors degradation by targeting atypical E3 ligase ZFP91. Meanwhile, the chemical knockdown strategy with molecular glue may promote innovative transcription factor degrader development in cancer therapy. FUNDING This work was financially supported by the National Key Research and Development Project of China (2022YFC3501601), National Natural Sciences Foundation of China (81973505, 82174008, 82030114), and China Postdoctoral Science Foundation (2019M650396), the Fundamental Research Funds for the Central Universities.
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Affiliation(s)
- Ting-Ting Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Heng Yang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Fang-Fang Zhuo
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Zhuo Yang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Mei-Mei Zhao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Qiang Guo
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Yang Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Dan Liu
- Proteomics Laboratory, Medical and Healthy Analytical Center, Peking University Health Science Center, Beijing 100191, China
| | - Ke-Wu Zeng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China,Corresponding author.
| | - Peng-Fei Tu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China,Corresponding author.
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8
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Liu F, Ye S, Jiang P, Zhang W, Wang Z, Li C. The proteome profiling of EVs originating from senescent cell model using quantitative proteomics and parallel reaction monitoring. J Proteomics 2022; 266:104669. [PMID: 35788408 DOI: 10.1016/j.jprot.2022.104669] [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: 02/21/2022] [Revised: 05/30/2022] [Accepted: 06/27/2022] [Indexed: 11/16/2022]
Abstract
Senescence is the inevitable biological processes and is also considered as the biggest risk factor for the development of age - related diseases (ARDs) and geriatric syndrome (GS). Senescence is also known as inflammaging because it is characterized by persistent, long-term, low-grade inflammation named senescence-associated secretory phenotype (SASP). However, the mechanism for the persistence of inflammaging remains largely unclear. To explore the role of extracellular vesicles (EVs) in senescence/inflammaging, we established the cellular senescence model and performed TMT-based comparative quantitative proteomics and parallel reaction monitoring (PRM) to reveal the changes of EVs between young cells and senescent cells. A total of 3966 proteins were quantifiable, of which 132 were up-regulated, 144 were down-regulated, compared with the young cells. Subsequently, we chose 19 proteins involved in inflammation or proliferation to carry out PRM validation analysis. The result indicated that proteins promoting NF-κB signal pathway were up-regulated, and proteins promoting cell proliferation were down-regulated. The study provided a comprehensive altered proteomics profiles of EVs from senescent cells, and the result showed that EVs could serve as information carrier for further research on the pathogenesis and progression of senescence/inflammaging. SIGNIFICANCE: The mechanism of inflammaging occurrence and development has yet been clear. Therefore, this study attempts to provide an improved understanding of inflammaging from the perspective of EVs. The proteomics analysis revealed that the most changed proteins were connected to inflammation signaling pathways, cell growth and cell death, and PRM analysis results showed that proteins involved in NF-κB signal pathway and cell proliferation were more changed. The research systematically analyzed the profiles of proteins in senescence cell model, and the result indicated that further research should focus on the relationship between EVs and senescence/inflammaging.
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Affiliation(s)
- Fengjuan Liu
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China.
| | - Shengliang Ye
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China.
| | - Peng Jiang
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China.
| | - Wei Zhang
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China
| | - Zongkui Wang
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China.
| | - Changqing Li
- Institute of blood transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu 610052, China.
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He M, Cao C, Ni Z, Liu Y, Song P, Hao S, He Y, Sun X, Rao Y. PROTACs: great opportunities for academia and industry (an update from 2020 to 2021). Signal Transduct Target Ther 2022; 7:181. [PMID: 35680848 PMCID: PMC9178337 DOI: 10.1038/s41392-022-00999-9] [Citation(s) in RCA: 82] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/25/2022] [Accepted: 04/12/2022] [Indexed: 02/07/2023] Open
Abstract
PROteolysis TArgeting Chimeras (PROTACs) technology is a new protein-degradation strategy that has emerged in recent years. It uses bifunctional small molecules to induce the ubiquitination and degradation of target proteins through the ubiquitin–proteasome system. PROTACs can not only be used as potential clinical treatments for diseases such as cancer, immune disorders, viral infections, and neurodegenerative diseases, but also provide unique chemical knockdown tools for biological research in a catalytic, reversible, and rapid manner. In 2019, our group published a review article “PROTACs: great opportunities for academia and industry” in the journal, summarizing the representative compounds of PROTACs reported before the end of 2019. In the past 2 years, the entire field of protein degradation has experienced rapid development, including not only a large increase in the number of research papers on protein-degradation technology but also a rapid increase in the number of small-molecule degraders that have entered the clinical and will enter the clinical stage. In addition to PROTAC and molecular glue technology, other new degradation technologies are also developing rapidly. In this article, we mainly summarize and review the representative PROTACs of related targets published in 2020–2021 to present to researchers the exciting developments in the field of protein degradation. The problems that need to be solved in this field will also be briefly introduced.
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Affiliation(s)
- Ming He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Chaoguo Cao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China.,Tsinghua-Peking Center for Life Sciences, 100084, Beijing, P. R. China
| | - Zhihao Ni
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yongbo Liu
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Peilu Song
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Shuang Hao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yuna He
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Xiuyun Sun
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China
| | - Yu Rao
- Ministry of Education (MOE) Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, 100084, Beijing, P. R. China. .,School of Pharmaceutical Sciences, Zhengzhou University, 450001, Zhengzhou, China.
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10
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Fernbach S, Spieler EE, Busnadiego I, Karakus U, Lkharrazi A, Stertz S, Hale BG. Restriction factor screening identifies RABGAP1L-mediated disruption of endocytosis as a host antiviral defense. Cell Rep 2022; 38:110549. [PMID: 35320721 PMCID: PMC8939003 DOI: 10.1016/j.celrep.2022.110549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 01/31/2022] [Accepted: 03/01/2022] [Indexed: 11/26/2022] Open
Abstract
Host interferons (IFNs) powerfully restrict viruses through the action of several hundred IFN-stimulated gene (ISG) products, many of which remain uncharacterized. Here, using RNAi screening, we identify several ISG restriction factors with previously undescribed contributions to IFN-mediated defense. Notably, RABGAP1L, a Tre2/Bub2/Cdc16 (TBC)-domain-containing protein involved in regulation of small membrane-bound GTPases, robustly potentiates IFN action against influenza A viruses (IAVs). Functional studies reveal that the catalytically active TBC domain of RABGAP1L promotes antiviral activity, and the RABGAP1L proximal interactome uncovered its association with proteins involved in endosomal sorting, maturation, and trafficking. In this regard, RABGAP1L overexpression is sufficient to disrupt endosomal function during IAV infection and restricts an early post-attachment, but pre-fusion, stage of IAV cell entry. Other RNA viruses that enter cells primarily via endocytosis are also impaired by RABGAP1L, while entry promiscuous SARS-CoV-2 is resistant. Our data highlight virus endocytosis as a key target for host defenses.
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Affiliation(s)
- Sonja Fernbach
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland; Life Science Zurich Graduate School, ETH and University of Zurich, 8057 Zurich, Switzerland
| | - Eva E Spieler
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland; Life Science Zurich Graduate School, ETH and University of Zurich, 8057 Zurich, Switzerland
| | - Idoia Busnadiego
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland
| | - Umut Karakus
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland
| | - Anouk Lkharrazi
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland
| | - Silke Stertz
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland
| | - Benjamin G Hale
- Institute of Medical Virology, University of Zurich, 8057 Zurich, Switzerland.
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11
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Wang T, He Z, Yuan CS, Deng ZW, Li F, Chen XG, Liu Y. MMP-responsive transformation nanomaterials with IAP antagonist to boost immune checkpoint therapy. J Control Release 2022; 343:765-776. [PMID: 35181414 DOI: 10.1016/j.jconrel.2022.02.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/23/2022] [Accepted: 02/13/2022] [Indexed: 12/24/2022]
Abstract
The clinical effect of immune checkpoint therapy is limited by the poor blocking efficiency of immune checkpoints and the insufficient infiltration of tumor-specific T cells. Here, we constructed enzyme-responsive PVA-peptide conjugates (PPCs) to achieve re-assembly with enhanced accumulation in the tumor region, enable enhanced PD-L1 occupancy and improve the blocking efficiency. The self-assembled PPC-1 nanoparticles can enter tumor environment, whereas the enzyme-cleavable peptide was digested under overgenerated matrix metalloproteinases (MMP). The accumulated PPC-1 simultaneously transformed into β-sheet fibrous structures around the solid tumor and remained stable for over 96 h, which led to efficiently interrupting the PD-1/PD-L1 interaction. Upon introduction of the IAP antagonists, the non-classical NF-κB pathway of dendritic cells was activated and increased the infiltration of T cells in tumors. With the synergistic contribution of IAP antagonists from the substantial increase in expression of chemokines (CCL5 and CXCL9) and adequate T-cell infiltration in tumor sites, PPC-1 improved the biodistribution and accumulation of PD-L1 antagonists in tumor regions ultimately realizing higher-performance (P < 0.01) tumor growth inhibition efficiency (~80%) than PPC-2 group (~58%) in B16F10 tumor-bearing mice. The growth of the second tumor at the distal end was obviously inhibited (P < 0.01) after the resection of the primary tumor. The combined efficacy was similar to that observed in a Pan02 pancreatic cancer tumor model. This strategy aims to offer novel perspective for the development of locational assembly platforms in vivo and the optimal design of immune checkpoint combination therapy.
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Affiliation(s)
- Ting Wang
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China
| | - Zheng He
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China
| | - Cong-Shan Yuan
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China
| | - Zhen-Wei Deng
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China
| | - Fang Li
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China
| | - Xi-Guang Chen
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China; Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, PR China
| | - Ya Liu
- College of Marine Life Science, Ocean University of China, Qingdao 266003, PR China.
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12
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Wang JY, Xing Y, Li MY, Zhang ZH, Jin HL, Ma J, Lee JJ, Zhong Y, Zuo HX, Jin X. Panaxadiol inhibits IL-1β secretion by suppressing zinc finger protein 91-regulated activation of non-canonical caspase-8 inflammasome and MAPKs in macrophages. JOURNAL OF ETHNOPHARMACOLOGY 2022; 283:114715. [PMID: 34648898 DOI: 10.1016/j.jep.2021.114715] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The use of Panax ginseng C.A.Mey. in traditional Chinese medicine dates back to about 5000 years ago thanks to its several beneficial and healing properties. Panaxadiol is a triterpenoid sapogenin monomer found in the roots of Panax ginseng C.A.Mey. and has been proven to have various bio-activities such as anti-inflammatory, anti-tumour and neuroprotective effects. AIM OF THE STUDY The present study focuses on investigating the inflammation inhibitory effect and mechanism of panaxadiol by regulating zinc finger protein 91-regulated activation of non-canonical caspase-8 inflammasome and MAPKs in macrophages. MATERIALS AND METHODS In vitro, the underlying mechanisms by which panaxadiol inhibits ZFP91-regulated IL-1β expression were investigated using molecular docking, western blotting, RT-PCR, ELISA, immunofluorescence, and immunoprecipitation assays. In vivo, colitis was induced by oral administration of DSS in drinking water, and peritonitis was induced by an intraperitoneal injection of alum. Recombinant adeno-associated virus (AAV serotype 9) vector was used to establish ZFP91 knockdown mouse. RESULTS We confirmed that panaxadiol inhibited IL-1β secretion by suppressing ZFP91 in macrophages. Further analysis revealed that panaxadiol inhibited IL-1β secretion by suppressing ZFP91-regulated activation of non-canonical caspase-8 inflammasome. Meanwhile, panaxadiol inhibited IL-1β secretion by suppressing ZFP91-regulated activation of MAPKs. In vivo, prominent anti-inflammatory effects of panaxadiol were demonstrated in a DSS induced acute colitis mouse model and in an alum-induced peritonitis model by suppressing ZFP91-regulated secretion of inflammatory mediators, consistent with the results of the AAV-ZFP91 knockdown in mice. CONCLUSIONS We report for the first time that panaxadiol inhibited IL-1β secretion by suppressing ZFP91-regulated activation of non-canonical caspase-8 inflammasome and MAPKs, providing evidence for anti-inflammation mechanism of panaxadiol treatment for inflammatory diseases.
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Affiliation(s)
- Jing Ying Wang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Yue Xing
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Ming Yue Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Zhi Hong Zhang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Hong Lan Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Juan Ma
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Jung Joon Lee
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Yi Zhong
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Hong Xiang Zuo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Xuejun Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
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13
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Li X, Han M, Zhang H, Liu F, Pan Y, Zhu J, Liao Z, Chen X, Zhang B. Structures and biological functions of zinc finger proteins and their roles in hepatocellular carcinoma. Biomark Res 2022; 10:2. [PMID: 35000617 PMCID: PMC8744215 DOI: 10.1186/s40364-021-00345-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 11/23/2021] [Indexed: 12/15/2022] Open
Abstract
Zinc finger proteins are transcription factors with the finger domain, which plays a significant role in gene regulation. As the largest family of transcription factors in the human genome, zinc finger (ZNF) proteins are characterized by their different DNA binding motifs, such as C2H2 and Gag knuckle. Different kinds of zinc finger motifs exhibit a wide variety of biological functions. Zinc finger proteins have been reported in various diseases, especially in several cancers. Hepatocellular carcinoma (HCC) is the third leading cause of cancer-associated death worldwide, especially in China. Most of HCC patients have suffered from hepatitis B virus (HBV) and hepatitis C virus (HCV) injection for a long time. Although the surgical operation of HCC has been extremely developed, the prognosis of HCC is still very poor, and the underlying mechanisms in HCC tumorigenesis are still not completely understood. Here, we summarize multiple functions and recent research of zinc finger proteins in HCC tumorigenesis and progression. We also discuss the significance of zinc finger proteins in HCC diagnosis and prognostic evaluation.
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Affiliation(s)
- Xinxin Li
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Mengzhen Han
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Hongwei Zhang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Furong Liu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Yonglong Pan
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Jinghan Zhu
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China
| | - Zhibin Liao
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China.
| | - Xiaoping Chen
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China.
| | - Bixiang Zhang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China. .,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, 430030, China.
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14
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Zhang Z, Zhong L, Dan W, Chu X, Liu C, Luo X, Wan P, Liu Z, Lu Y, Wang X, Liu B. ZFP91 promotes cell proliferation and inhibits cell apoptosis in AML via inhibiting the proteasome-dependent degradation of RIP1. Int J Med Sci 2022; 19:274-285. [PMID: 35165513 PMCID: PMC8795797 DOI: 10.7150/ijms.67436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/22/2021] [Indexed: 11/05/2022] Open
Abstract
Acute myeloid leukemia (AML) is a quickly progressive and devastated hematological malignancy with large rate of relapse and the appearance of chemotherapy resistance. Therefore, the identification of new therapeutic targets is urgent. ZFP91 is a hidden oncogene. Nevertheless, how ZFP91 takes part in regulating AML is less clear. Our research aims at investigating the molecular mechanisms and uncovering the effects of ZFP91 on AML. This research demonstrates that ZFP91 boosts AML cell proliferation and stops AML cell apoptosis. Mechanistically, experimental results showed the interaction between ZFP91 and RIP1 and inhibitory effect of ZFP91 on the K48-linked ubiquitination of endogenous RIP1, which is an important molecule in AML. Taken together, our results provide the evidence that targeted inhibition of ZFP91 could be a hopeful measure to treat AML.
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Affiliation(s)
- Zhonghui Zhang
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Liang Zhong
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Wenran Dan
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Xuan Chu
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Chen Liu
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Xu Luo
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Peng Wan
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Zhenyan Liu
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Yang Lu
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Xiao Wang
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Beizhong Liu
- Central Laboratory of Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, China
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
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15
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Overcoming IMiD Resistance in T-cell Lymphomas Through Potent Degradation of ZFP91 and IKZF1. Blood 2021; 139:2024-2037. [PMID: 34936696 DOI: 10.1182/blood.2021014701] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 12/06/2021] [Indexed: 11/20/2022] Open
Abstract
Immunomodulatory (IMiD) agents like lenalidomide and pomalidomide induce the recruitment of IKZF1 and other targets to the CRL4CRBN E3 ubiquitin ligase, resulting in their ubiquitination and degradation. These agents are highly active in B-cell lymphomas and a subset of myeloid diseases but have compromised effects in T-cell lymphomas (TCLs). Here we show that two factors determine resistance to IMiDs among TCLs. First, limited CRBN expression reduces IMiD activity in TCLs but can be overcome by newer-generation degrader CC-92480. Using mass spectrometry, we show that CC-92480 selectively degrades IKZF1 and ZFP91 in TCL cells with greater potency than pomalidomide. As a result, CC-92480 is highly active against multiple TCL subtypes and showed greater efficacy than pomalidomide across 4 in vivo TCL models. Second, we demonstrate that ZFP91 functions as a bona fide transcription factor that co-regulates cell survival with IKZF1 in IMiD-resistant TCLs. By activating keynote genes from WNT, NF-kB, and MAP kinase signaling, ZFP91 directly promotes resistance to IKZF1 loss. Moreover, lenalidomide-sensitive TCLs can acquire stable resistance via ZFP91 rewiring, which involves casein kinase 2 (CK2) mediated c-Jun inactivation. Overall, these findings identify a critical transcription factor network within TCLs and provide clinical proof of concept for the novel therapy using next-generation degraders.
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16
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Zhong Y, Zhang ZH, Wang JY, Xing Y, Ri MH, Jin HL, Zuo HX, Li MY, Ma J, Jin X. Zinc finger protein 91 mediates necroptosis by initiating RIPK1-RIPK3-MLKL signal transduction in response to TNF receptor 1 ligation. Toxicol Lett 2021; 356:75-88. [PMID: 34942311 DOI: 10.1016/j.toxlet.2021.12.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 11/03/2021] [Accepted: 12/17/2021] [Indexed: 11/17/2022]
Abstract
Necroptosis is a form of regulated programmed cell death that is mediated by receptor-interacting protein kinase 1 (RIPK1), receptor-interacting serine/threonine protein kinase-3 (RIPK3), and mixed lineage kinase domain-like protein (MLKL); however, it is not known whether zinc finger protein 91 (ZFP91) is involved in this process. Here, we investigated ZFP91 as a potential mediator of necroptosis. Our mechanistic study demonstrates that ZFP91 promotes RIPK1-RIPK3 interaction, thereby stabilizing the RIPK1 and RIPK3 proteins and facilitating necroptosis. ZFP91 stabilized RIPK1 to promote cell death by inducing RIPK1 de-ubiquitination. ZFP91 also significantly increased production of mitochondrial reactive oxygen species (ROS). Accumulation of ROS promoted RIPK3-independent necroptosis triggered by tumor necrosis factor (TNF). in vivo, ZFP91 knockdown alleviated TNFα-induced systemic inflammatory response syndrome (SIRS). These results provide direct evidence that ZFP91 plays an important role in the initiation of RIPK1/RIPK3-dependent necroptosis in vitro and in vivo. We discussed the potential of ZFP91 as a novel therapeutic target for necroptosis-associated diseases.
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Affiliation(s)
- Yi Zhong
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Zhi Hong Zhang
- Department of Pharmacology, College of Pharmacy, Beihua University, No. 3999 Binjiang East Road, Jilin, Jilin Province, 132013, China
| | - Jing Ying Wang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Yue Xing
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Myong Hak Ri
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Hong Lan Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Hong Xiang Zuo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China
| | - Ming Yue Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Juan Ma
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
| | - Xuejun Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, 133002, Jilin Province, China.
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17
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Xing Y, Wang JY, Li MY, Zhang ZH, Jin HL, Zuo HX, Ma J, Jin X. Convallatoxin inhibits IL-1β production by suppressing zinc finger protein 91-mediated pro-IL-1β ubiquitination and caspase-8 inflammasome activity. Br J Pharmacol 2021; 179:1887-1907. [PMID: 34825365 DOI: 10.1111/bph.15758] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 07/27/2021] [Accepted: 11/17/2021] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND PURPOSE ZFP91 positively regulates IL-1β production in macrophages and may be a potential therapeutic target to treat inflammatory-related diseases. Therefore, we investigated whether this process is modulated by convallatoxin, which is a cardiac glycoside isolated from the traditional Chinese medicinal plant Adonis amurensis Regel et Radde. EXPERIMENTAL APPROACH In vitro, the underlying mechanisms by which convallatoxin inhibits ZFP91-regulated IL-1β expression were investigated using molecular docking, western blotting, RT-PCR, ELISA, immunofluorescence, and immunoprecipitation assays. In vivo, liver injury was induced by an intraperitoneal injection of D-GalN and LPS, colitis was induced by oral administration of DSS in drinking water, and peritonitis was induced by an intraperitoneal injection of alum. KEY RESULTS We confirmed that convallatoxin inhibited the release of IL-1β by downregulating ZFP91. Importantly, we found that convallatoxin significantly reduced K63-linked polyubiquitination of pro-IL-1β regulated by ZFP91 and decreased the efficacy of pro-IL-1β cleavage. Moreover, convallatoxin suppressed ZFP91-mediated activation of the non-canonical caspase-8 inflammasome and MAPK signaling pathways in macrophages. Furthermore, we showed that ZFP91 promoted the assembly of the caspase-8 inflammasome complex, whereas convallatoxin treatment reversed this result. In vivo studies further demonstrated that convallatoxin ameliorated D-GalN/LPS-induced liver injury, DSS-induced colitis, and alum-induced peritonitis by downregulating ZFP91. CONCLUSION AND IMPLICATIONS We report for the first time that convallatoxin-mediated inhibition of ZFP91 is an important regulatory event that prevents inappropriate inflammatory responses to maintain of immune homeostasis. This mechanism provides new perspectives for the development of convallatoxin as a novel anti-inflammatory drug targeting ZFP91.
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Affiliation(s)
- Yue Xing
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Jing Ying Wang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Ming Yue Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Zhi Hong Zhang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Hong Lan Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Hong Xiang Zuo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Juan Ma
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Xuejun Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
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18
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Yuan JN, Hong Y, Ma ZL, Pang RP, Lei QQ, Lv XF, Zhou JG, Huang H, Zhang TT. MiR-302a Limits Vascular Inflammation by Suppressing Nuclear Factor-κ B Pathway in Endothelial Cells. Front Cell Dev Biol 2021; 9:682574. [PMID: 34409030 PMCID: PMC8365611 DOI: 10.3389/fcell.2021.682574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/21/2021] [Indexed: 01/09/2023] Open
Abstract
The inflammatory response of endothelial cells accelerates various vascular diseases. MicroRNAs (miRNAs) participate in diverse cellular processes during inflammation. In the present study, we found that miR-302a is an effective suppressor of vascular inflammation in endothelial cells. It was revealed that miR-302a exhibited a lower level in a lipopolysaccharide (LPS)-induced mouse model and in patients with vascular inflammatory disease. Genetic haploinsufficiency of miR-302 aggravated the LPS-induced vascular inflammatory response in mice, and overexpression of miR-302a attenuated vascular inflammation in mice. Furthermore, overexpression of miR-302a inhibited the synthesis and secretion of adhesion factors in endothelial cells, and suppressed the adhesion of monocytes to endothelium. In the study of molecular mechanism, we found that miR-302a relieved vascular inflammation mainly by regulating the nuclear factor kappa-B (NF-κB) pathway in endothelial cells. The results showed that interleukin-1 receptor-associated kinase4 (IRAK4) and zinc finger protein 91 (ZFP91) were the binding targets of miR-302a. MiR-302a prevented the nuclear translocation of NF-κB by inhibiting phosphorylation of IκB kinase complex β (IKKβ) and inhibitors of κBα (IκBα) via targeting IRAK4. In addition, miR-302a downregulated the expression of NF-κB by directly binding with ZFP91. These findings indicate that miR-302a negatively regulates inflammatory responses in the endothelium via the NF-κB pathway and it may be a novel target for relieving vascular inflammation.
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Affiliation(s)
- Jia-Ni Yuan
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yu Hong
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zhuo-Lin Ma
- Department of Physiology, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China
| | - Rui-Ping Pang
- Department of Physiology, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China
| | - Qing-Qing Lei
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Fei Lv
- Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Jia-Guo Zhou
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hui Huang
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Ting-Ting Zhang
- Program of Cardiovascular Research, The Eighth Affiliated Hospital, Zhongshan School Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Pharmacology, and Cardiac and Cerebral Vascular Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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19
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Wang F, Zhang Y, Yu X, Teng XL, Ding R, Hu Z, Wang A, Wang Z, Ye Y, Zou Q. ZFP91 disturbs metabolic fitness and antitumor activity of tumor-infiltrating T cells. J Clin Invest 2021; 131:e144318. [PMID: 34403361 DOI: 10.1172/jci144318] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 08/11/2021] [Indexed: 11/17/2022] Open
Abstract
Proper metabolic activities facilitate T cell expansion and antitumor function; however, the mechanisms underlying disruption of the T cell metabolic programme and function in the tumor microenvironment (TME) remain elusive. Here, we show a Zinc finger protein 91 (ZFP91)-governed mechanism disrupting the metabolic pathway and antitumor activity of tumor-infiltrating T cells. Single-cell RNA sequencing revealed that impairments in T cell proliferation and activation correlated with ZFP91 in tissue samples from colorectal cancer patients. T cell-specific deletion of Zfp91 led to enhanced T cell proliferation and potentiated T cell antitumor function. Loss of ZFP91 increased mammalian target of rapamycin complex 1 (mTORC1) activity to drive T cell glycolysis. Mechanistically, T cell antigen receptor (TCR)-dependent ZFP91 cytosolic translocation promoted protein phosphatase 2A (PP2A) complex assembly, thereby restricting mTORC1-mediated metabolic reprogramming. Our results demonstrate that ZFP91 perturbs T cell metabolic and functional states in the TME and suggest that targeting ZFP91 may improve the efficacy of cancer immunotherapy.
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Affiliation(s)
- Feixiang Wang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuerong Zhang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyan Yu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao-Lu Teng
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rui Ding
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhilin Hu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Aiting Wang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengting Wang
- Department of Gastroenterology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Youqiong Ye
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiang Zou
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
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20
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Pan H, Yang L, Bai H, Luo J, Deng Y. Ginsenoside Rg3 increases gemcitabine sensitivity of pancreatic adenocarcinoma via reducing ZFP91 mediated TSPYL2 destabilization. J Ginseng Res 2021; 46:636-645. [PMID: 36090681 PMCID: PMC9459078 DOI: 10.1016/j.jgr.2021.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/08/2021] [Accepted: 08/18/2021] [Indexed: 01/26/2023] Open
Abstract
Background Ginsenoside Rg3 and gemcitabine have mutual enhancing antitumor effects. However, the underlying mechanisms are not clear. This study explored the influence of ginsenoside Rg3 on Zinc finger protein 91 homolog (ZFP91) expression in pancreatic adenocarcinoma (PAAD) and their regulatory mechanisms on gemcitabine sensitivity. Methods RNA-seq and survival data from The Cancer Genome Atlas (TCGA)-PAAD and Genotype-Tissue Expression (GTEx) were used for in-silicon analysis. PANC-1, BxPC-3, and PANC-1 gemcitabine-resistant (PANC-1/GR) cells were used for in vitro analysis. PANC-1 derived tumor xenograft nude mice model was used to assess the influence of ginsenoside Rg3 and ZFP91 on tumor growth in vivo. Results Ginsenoside Rg3 reduced ZFP91 expression in PAAD cells in a dose-dependent manner. ZFP91 upregulation was associated with significantly shorter survival of patients with PAAD. ZFP91 overexpression induced gemcitabine resistance, which was partly conquered by ginsenoside Rg3 treatment. ZFP91 depletion sensitized PANC-1/GR cells to gemcitabine treatment. ZFP91 interacted with Testis-Specific Y-Encoded-Like Protein 2 (TSPYL2), induced its poly-ubiquitination, and promoted proteasomal degradation. Ginsenoside Rg3 treatment weakened ZFP91-induced TSPYL2 poly-ubiquitination and degradation. Enforced TSPYL2 expression increased gemcitabine sensitivity of PAAD cells and partly reversed induced gemcitabine resistance in PANC-1/GR cells. Conclusion Ginsenoside Rg3 can increase gemcitabine sensitivity of pancreatic adenocarcinoma at least via reducing ZFP91 mediated TSPYL2 destabilization.
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Affiliation(s)
- Haixia Pan
- Cancer Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Linhan Yang
- Outpatient Department, Chengdu Aurora Huan Hua Xiang, Chengdu, China
| | - Hansong Bai
- Department of Radiation Oncology, School of Medicine, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
| | - Jing Luo
- Department of Breast Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Corresponding author. Department of Breast Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Ying Deng
- Cancer Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Corresponding author. Cancer Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China.
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Zhang S, Fan Q, Moktefi A, Ory V, Audard V, Pawlak A, Ollero M, Sahali D, Henique C. CMIP interacts with WT1 and targets it on the proteasome degradation pathway. Clin Transl Med 2021; 11:e460. [PMID: 34323419 PMCID: PMC8299046 DOI: 10.1002/ctm2.460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 04/29/2021] [Accepted: 05/25/2021] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND The Wilms tumor 1 suppressor gene, WT1, is expressed throughout life in podocytes and is essential for their function. Downregulation of WT1 has been reported in podocyte diseases but the underlying mechanisms remain unclear. Podocyte injury is the hallmark of idiopathic nephrotic syndrome (INS), the most frequent glomerular disease in children and young adults. An increase in the abundance of Cmaf-inducing protein (CMIP) has been found to alter podocyte function, but it is not known whether CMIP affects WT1 expression. METHODS Transcriptional and post-transcriptional regulation of WT1in the presence of CMIP was studied using transient transfection, mouse models, and siRNA handling. RESULTS We showed that overproduction of CMIP in the podocyte was consistently associated with a downregulation of WT1 according to two mechanisms. We found that CMIP prevented the NF-kB-mediated transcriptional activation of WT1. We demonstrated that CMIP interacts directly with WT1 through its leucine-rich repeat domain. Overexpression of CMIP in the M15 cell line induced a downregulation of WT1, which was prevented by lactacystin, a potent proteasome inhibitor. We showed that CMIP exhibits an E3 ligase activity and targets WT1 to proteasome degradation. Intravenous injection of Cmip-siRNA specifically prevented the repression of Wt1 in lipopolysaccharides-induced proteinuria in mice. CONCLUSIONS These data suggest that CMIP is a repressor of WT1 and might be a critical player in the pathophysiology of some podocyte diseases. Because WT1 is required for podocyte integrity, CMIP could be considered a therapeutic target in podocyte diseases.
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Affiliation(s)
- Shao‐Yu Zhang
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
| | - Qingfeng Fan
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
| | - Anissa Moktefi
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
- AP‐HPGroupe hospitalier Henri Mondor‐Albert ChenevierDépartement de pathologieCreteilFrance
| | - Virginie Ory
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
| | - Vincent Audard
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
- AP‐HPGroupe Henri‐Mondor Albert‐ChenevierService de NéphrologieCreteilFrance
| | - Andre Pawlak
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
| | - Mario Ollero
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
| | - Dil Sahali
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
- AP‐HPGroupe Henri‐Mondor Albert‐ChenevierService de NéphrologieCreteilFrance
| | - Carole Henique
- INSERMCreteilFrance
- Faculté de santéUniversité Paris Est CreteilCreteilFrance
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Cao X, Zhou Z, Tian Y, Liu Z, Cheng KO, Chen X, Hu W, Wong YM, Li X, Zhang H, Hu R, Huang P. Opposing roles of E3 ligases TRIM23 and TRIM21 in regulation of ion channel ANO1 protein levels. J Biol Chem 2021; 296:100738. [PMID: 33957127 PMCID: PMC8191318 DOI: 10.1016/j.jbc.2021.100738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 04/19/2021] [Accepted: 04/29/2021] [Indexed: 02/06/2023] Open
Abstract
Anoctamin-1 (ANO1) (TMEM16A) is a calcium-activated chloride channel that plays critical roles in diverse physiological processes, such as sensory transduction and epithelial secretion. ANO1 levels have been shown to be altered under physiological and pathological conditions, although the molecular mechanisms that control ANO1 protein levels remain unclear. The ubiquitin–proteasome system is known to regulate the levels of numerous ion channels, but little information is available regarding whether and how ubiquitination regulates levels of ANO1. Here, we showed that two E3 ligases, TRIM23 and TRIM21, physically interact with the C terminus of ANO1. In vitro and in vivo assays demonstrated that whereas TRIM23 ubiquitinated ANO1 leading to its stabilization, TRIM21 ubiquitinated ANO1 and induced its degradation. Notably, ANO1 regulation by TRIM23 and TRIM21 is involved in chemical-induced pain sensation, salivary secretion, and heart-rate control in mice, and TRIM23 also mediates ANO1 upregulation induced by epidermal growth factor treatment. Our results suggest that these two antagonistic E3 ligases act together to control ANO1 expression and function. Our findings reveal a previously unrecognized mechanism for regulating ANO1 protein levels and identify a potential molecular link between ANO1 regulation, epidermal growth factor, and other signaling pathways.
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Affiliation(s)
- Xu Cao
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Zijing Zhou
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Ye Tian
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Zhengzhao Liu
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China; State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China; Xiangya Hospital, Central South University, Changsha, China
| | - Kar On Cheng
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Xibing Chen
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Wenbao Hu
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Yuk Ming Wong
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Xiaofen Li
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China
| | - Hailin Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Ronggui Hu
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China; Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China; School of Life Science, Hangzhou Institute for Advance Study, University of Chinese Academy of Sciences, Hangzhou, China
| | - Pingbo Huang
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China; Department of Chemical and Biological Engineering, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China; State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China; HKUST Shenzhen Research Institute, Hong Kong University of Science and Technology, Hong Kong, People's Republic of China; Hong Kong Branch of Guangdong Southern Marine Science and Engineering Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, People's Republic of China.
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23
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Wang A, Ding L, Wu Z, Ding R, Teng XL, Wang F, Hu Z, Chen L, Yu X, Zou Q. ZFP91 is required for the maintenance of regulatory T cell homeostasis and function. J Exp Med 2021; 218:211637. [PMID: 33355624 PMCID: PMC7769166 DOI: 10.1084/jem.20201217] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/30/2020] [Accepted: 11/18/2020] [Indexed: 02/04/2023] Open
Abstract
Autophagy programs the metabolic and functional fitness of regulatory T (T reg) cells to establish immune tolerance, yet the mechanisms governing autophagy initiation in T reg cells remain unclear. Here, we show that the E3 ubiquitin ligase ZFP91 facilitates autophagy activation to sustain T reg cell metabolic programming and functional integrity. T reg cell-specific deletion of Zfp91 caused T reg cell dysfunction and exacerbated colonic inflammation and inflammation-driven colon carcinogenesis. TCR-triggered autophagy induction largely relied on T reg cell-derived ZFP91 to restrict hyperglycolysis, which is required for the maintenance of T reg cell homeostasis. Mechanistically, ZFP91 rapidly translocated from the nucleus to the cytoplasm in response to TCR stimulation and then mediated BECN1 ubiquitination to promote BECN1-PIK3C3 complex formation. Therefore, our results highlight a ZFP91-dependent mechanism promoting TCR-initiated autophagosome maturation to maintain T reg cell homeostasis and function.
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Affiliation(s)
- Aiting Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Ding
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhongqiu Wu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rui Ding
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao-Lu Teng
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feixiang Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhilin Hu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Chen
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoyan Yu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiang Zou
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, State Key Laboratory of Oncogenes and Related Genes, Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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24
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Hanafi M, Chen X, Neamati N. Discovery of a Napabucasin PROTAC as an Effective Degrader of the E3 Ligase ZFP91. J Med Chem 2021; 64:1626-1648. [PMID: 33506674 DOI: 10.1021/acs.jmedchem.0c01897] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Napabucasin, undergoing multiple clinical trials, was reported to inhibit the signal transducer and transcription factor 3 (STAT3). To better elucidate its mechanism of action, we designed a napabucasin-based proteolysis targeting chimera (PROTAC), XD2-149 that resulted in inhibition of STAT3 signaling in pancreatic cancer cell lines without inducing proteasome-dependent degradation of STAT3. Proteomics analysis of XD2-149 revealed the downregulation of the E3 ubiquitin-protein ligase ZFP91. XD2-149 degrades ZFP91 with DC50 values in the nanomolar range. The cytotoxicity of XD2-149 was significantly, but not fully, reduced with ZFP91 knockdown providing evidence for its multi-targeted mechanism of action. The NQO1 inhibitor, dicoumarol, rescued the cytotoxicity of XD2-149 but not ZFP91 degradation, suggesting that the NQO1-induced cell death is independent of ZFP91. ZFP91 plays a role in tumorigenesis and is involved in multiple oncogenic pathways including NF-κB and HIF-1α.
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Affiliation(s)
- Maha Hanafi
- Department of Medicinal Chemistry, College of Pharmacy and the Rogel Cancer Center, North Campus Research Complex, 1600 Huron Parkway, University of Michigan, Ann Arbor, Michigan 48109, United States.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Xinde Chen
- Department of Medicinal Chemistry, College of Pharmacy and the Rogel Cancer Center, North Campus Research Complex, 1600 Huron Parkway, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Nouri Neamati
- Department of Medicinal Chemistry, College of Pharmacy and the Rogel Cancer Center, North Campus Research Complex, 1600 Huron Parkway, University of Michigan, Ann Arbor, Michigan 48109, United States
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25
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Zhu L, Cheng H, Peng G, Wang S, Zhang Z, Ni E, Fu X, Zhuang C, Liu Z, Zhou H. Ubiquitinome Profiling Reveals the Landscape of Ubiquitination Regulation in Rice Young Panicles. GENOMICS PROTEOMICS & BIOINFORMATICS 2020; 18:305-320. [PMID: 33147495 PMCID: PMC7801245 DOI: 10.1016/j.gpb.2019.01.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 12/06/2018] [Accepted: 01/11/2019] [Indexed: 02/04/2023]
Abstract
Ubiquitination, an essential post-transcriptional modification (PTM), plays a vital role in nearly every biological process, including development and growth. Despite its functions in plant reproductive development, its targets in rice panicles remain unclear. In this study, we used proteome-wide profiling of lysine ubiquitination in rice (O. sativa ssp. indica) young panicles. We created the largest ubiquitinome dataset in rice to date, identifying 1638 lysine ubiquitination sites on 916 unique proteins. We detected three conserved ubiquitination motifs, noting that acidic glutamic acid (E) and aspartic acid (D) were most frequently present around ubiquitinated lysine. Enrichment analysis of Gene Ontology (GO) annotations and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways of these ubiquitinated proteins revealed that ubiquitination plays an important role in fundamental cellular processes in rice young panicles. Interestingly, enrichment analysis of protein domains indicated that ubiquitination was enriched on a variety of receptor-like kinases and cytoplasmic tyrosine and serine-threonine kinases. Furthermore, we analyzed the crosstalk between ubiquitination, acetylation, and succinylation, and constructed a potential protein interaction network within our rice ubiquitinome. Moreover, we identified ubiquitinated proteins related to pollen and grain development, indicating that ubiquitination may play a critical role in the physiological functions in young panicles. Taken together, we reported the most comprehensive lysine ubiquitinome in rice so far, and used it to reveal the functional role of lysine ubiquitination in rice young panicles.
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Affiliation(s)
- Liya Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Han Cheng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China; College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Guoqing Peng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Shuansuo Wang
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, National Centre for Plant Gene Research, Beijing 100101, China
| | - Zhiguo Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Erdong Ni
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Xiangdong Fu
- The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, National Centre for Plant Gene Research, Beijing 100101, China
| | - Chuxiong Zhuang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Zexian Liu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Hai Zhou
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Instrumental Analysis and Research Center, Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions College of Life Sciences, South China Agricultural University, Guangzhou 510642, China.
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26
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Morgan EL, Chen Z, Van Waes C. Regulation of NFκB Signalling by Ubiquitination: A Potential Therapeutic Target in Head and Neck Squamous Cell Carcinoma? Cancers (Basel) 2020; 12:E2877. [PMID: 33036368 PMCID: PMC7601648 DOI: 10.3390/cancers12102877] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/22/2020] [Accepted: 09/29/2020] [Indexed: 02/08/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide, with over 600,000 cases per year. The primary causes for HNSCC include smoking and alcohol consumption, with an increasing number of cases attributed to infection with Human Papillomavirus (HPV). The treatment options for HNSCC currently include surgery, radiotherapy, and/or platinum-based chemotherapeutics. Cetuximab (targeting EGFR) and Pembrolizumab (targeting PD-1) have been approved for advanced stage, recurrent, and/or metastatic HNSCC. Despite these advances, whilst HPV+ HNSCC has a 3-year overall survival (OS) rate of around 80%, the 3-year OS for HPV- HNSCC is still around 55%. Aberrant signal activation of transcription factor NFκB plays an important role in the pathogenesis and therapeutic resistance of HNSCC. As an important mediator of inflammatory signalling and the immune response to pathogens, the NFκB pathway is tightly regulated to prevent chronic inflammation, a key driver of tumorigenesis. Here, we discuss how NFκB signalling is regulated by the ubiquitin pathway and how this pathway is deregulated in HNSCC. Finally, we discuss the current strategies available to target the ubiquitin pathway and how this may offer a potential therapeutic benefit in HNSCC.
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Affiliation(s)
- Ethan L. Morgan
- Tumor Biology Section, Head and Neck Surgery Branch, National Institute of Deafness and Other Communication Disorders, NIH, Bethesda, MD 20892, USA;
| | - Zhong Chen
- Tumor Biology Section, Head and Neck Surgery Branch, National Institute of Deafness and Other Communication Disorders, NIH, Bethesda, MD 20892, USA;
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27
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Tang DE, Dai Y, Xu Y, Lin LW, Liu DZ, Hong XP, Ou ML, Jiang HW, Xu SH. The ubiquitinase ZFP91 promotes tumor cell survival and confers chemoresistance through FOXA1 destabilization. Carcinogenesis 2020; 41:56-66. [PMID: 31046116 DOI: 10.1093/carcin/bgz085] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/08/2019] [Accepted: 05/01/2019] [Indexed: 01/17/2023] Open
Abstract
The forkhead box A1 (FOXA1), one of the forkhead class of DNA-binding proteins, functions as a transcription factor and plays a vital role in cellular control of embryonic development and cancer progression. Downregulation of FOXA1 has reported in several types of cancer, which contributes to cancer cell survival and chemoresistance. However, the mechanism for FOXA1 downregulation in cancer remains unclear. Here, we report that the ubiquitination enzyme zinc finger protein 91 (ZFP91) ubiquitinates and destabilizes FOXA1, which promotes cancer cell growth. High level of ZFP91 expression correlates with low level of FOXA1 protein in human gastric cancer (GC) cell lines and patient samples. Furthermore, ZFP91 knockdown reduces FOXA1 polyubiquitination, which decreases FOXA1 turnover and enhances cellular sensitivity to chemotherapy. Taken together, our findings reveal ZFP91-FOXA1 axis plays an important role in promoting GC progression and provides us a potential therapeutic intervention in the treatment of GC.
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Affiliation(s)
- Dong-E Tang
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Yong Dai
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Yong Xu
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Lie-Wen Lin
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Dong-Zhou Liu
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Xiao-Ping Hong
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Ming-Lin Ou
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China
| | - Hao-Wu Jiang
- Department of Anesthesiology and Center for the Study of Itch, Washington University School of Medicine, St. Louis, MO, USA
| | - Song-Hui Xu
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, The First Affiliated Hospital of Southern University of Science and Technology, Shenzhen People's Hospital, Shenzhen, Guangdong, P.R. China.,Department of Biochemistry, Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD, USA
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Yang Z, Liu Z, Chang Z, Yan G. MicroRNA‑188‑5p inhibits the progression of breast cancer by targeting zinc finger protein 91. Oncol Rep 2020; 44:1479-1488. [PMID: 32945499 PMCID: PMC7448417 DOI: 10.3892/or.2020.7731] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 07/16/2020] [Indexed: 12/21/2022] Open
Abstract
Breast cancer (BC) is the most commonly diagnosed malignant cancer in women. BC is the main cause of cancer-related death in women and seriously threatens the life and health of women worldwide. MicroRNAs (miRNAs/miRs) have been reported to regulate the development and progression of different types of cancer. However, the regulatory functions of miR-188-5p in BC have not been thoroughly demonstrated. In this present research, we identified that miR-188-5p was downregulated in BC tissues and several BC cell lines. Downregulation of miR-188-5p was significantly associated with advanced TNM stage. Moreover, we identified that miR-188-5p mimics significantly inhibited proliferation using CCK-8 assay, colony formation and xenograft animal model, suppressed invasion and migration detected by Transwell invasion assay, and increased the cellular apoptosis of BC cells as determined by cell apoptosis assay. Moreover miR-188-5p mimics also reduced the expression of NF-κB p65(Rel). To further investigate its regulatory mechanism, transcription factor zinc finger protein 91 (ZFP91) was predicted as the targeted protein of miR-188-5p by bioinformatic method. We confirmed their specific binding by dual luciferase (DLR) assay. We demonstrated that the overexpression of miR-188-5p significantly inhibited the expression of ZFP91 in BC cell lines and reduced the expression of NF-κB p65(Rel). An inverse correlation was found between the expression of miR-188-5p and ZFP91 in BC tissues. Importantly, we demonstrated that the restoration of ZFP91 was able to block the effect of miR-188-5p on the progression of MDA-MB-231 cells. Therefore, our study showed that miR-188-5p may be one of the important indicators and could inhibit the progression of human BC via targeting the ZFP91/NF-κB p65(Rel) signaling pathway, suggesting that miR-188-5p may be a promising future target for BC treatment.
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Affiliation(s)
- Zhiguang Yang
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Zhaoyu Liu
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Zhihui Chang
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Guangxin Yan
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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Chen D, Wang Y, Lu R, Jiang X, Chen X, Meng N, Chen M, Xie S, Yan GR. E3 ligase ZFP91 inhibits Hepatocellular Carcinoma Metabolism Reprogramming by regulating PKM splicing. Theranostics 2020; 10:8558-8572. [PMID: 32754263 PMCID: PMC7392027 DOI: 10.7150/thno.44873] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 06/24/2020] [Indexed: 12/18/2022] Open
Abstract
Rationale: Hepatocellular carcinoma (HCC) is one of the most lethal cancers, and few molecularly targeted anticancer therapies have been developed to treat it. Thus, the identification of new therapeutic targets is urgent. Metabolic reprogramming is an important hallmark of cancer. However, how ubiquitin ligases are involved in the regulation of cancer metabolism remains poorly understood. Methods: RT-PCR, western blot and IHC were used to determine ZFP91 expression. RNAi, cell proliferation, colony formation and transwell assays were used to determine the in vitro functions of ZFP91. Mouse xenograft models were used to study the in vivo effects of ZFP91. Co-IP together with mass spectrometry or western blot was utilized to investigate protein-protein interaction. Ubiquitination was analyzed using IP together with western blot. RNA splicing was assessed by using RT-PCR followed by restriction digestion. Lactate production and glucose uptake assays were used to analyze cancer metabolism. Results: We identified that an E3 ligase zinc finger protein 91 (ZFP91) suppressed HCC metabolic reprogramming, cell proliferation and metastasis in vitro and in vivo. Mechanistically, ZFP91 promoted the Lys48-linked ubiquitination of the oncoprotein hnRNP A1 at lysine 8 and proteasomal degradation, thereby inhibiting hnRNP A1-dependent PKM splicing, subsequently resulting in higher PKM1 isoform formation and lower PKM2 isoform formation and suppressing HCC glucose metabolism reprogramming, cell proliferation and metastasis. Moreover, HCC patients with lower levels of ZFP91 have poorer prognoses, and ZFP91 is an independent prognostic factor for patients with HCC. Conclusions: Our study identifies ZFP91 as a tumor suppressor of hepatocarcinogenesis and HCC metabolism reprogramming and proposes it as a novel prognostic biomarker and therapeutic target of HCC.
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Affiliation(s)
- De Chen
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yanjie Wang
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Ruixun Lu
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Xiaofeng Jiang
- Department of Surgery, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Xinhui Chen
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Nan Meng
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Min Chen
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Shan Xie
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Guang-Rong Yan
- Biomedicine Research Center, the Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- Key Laboratory of Protein Modification and Degradation, Guangzhou Medical University, Guangzhou, 511436, China
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Roles of miR-640 and Zinc Finger Protein 91 (ZFP91) in Angiopoietin-1-Induced In Vitro Angiogenesis. Cells 2020; 9:cells9071602. [PMID: 32630670 PMCID: PMC7408170 DOI: 10.3390/cells9071602] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 06/26/2020] [Accepted: 06/30/2020] [Indexed: 12/12/2022] Open
Abstract
Angiopoietin-1 (Ang-1) is a ligand of Tie-2 receptors that promotes angiogenesis. It has been established that regulatory loops exist between angiogenic growth factors and distinct pro or anti-angiogenic miRNAs, but the nature and the roles of Ang-1-regulated miRNAs remain unclear. In this study, we assessed the role of miR-640 in Ang-1-induced angiogenesis in human umbilical vein endothelial cells (HUVECs). Exposure to Ang-1 (300 ng/mL) from 6 to 72 h significantly decreased expression of mature miR-640, a response that was mediated by Tie-2 receptors and was also observed in response to Ang-2, the vascular endothelial growth factor, and transforming growth factor β. Increasing miR-640 levels using a mimic inhibited Ang-1-induced cell migration and capillary-like tube formation whereas inhibition of miR-640 enhanced these responses. Pull down assays of biotinylated miR-640 revealed that miR-640 directly targets Zinc Finger Protein 91 (ZFP91), an atypical E3-ubiquitin ligase. Ang-1 exposure induced ZFP91 expression through down-regulation of miR-640. Silencing of ZFP91 significantly inhibited Ang-1-induced cell migration and tube formation. We conclude that Ang-1 upregulates ZFP91 expression through transcriptional down-regulation of miR-640 and that ZFP91 plays important roles in the promotion of Ang-1-induced endothelial cell migration and differentiation.
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Shahamatdar S, He MX, Reyna MA, Gusev A, AlDubayan SH, Van Allen EM, Ramachandran S. Germline Features Associated with Immune Infiltration in Solid Tumors. Cell Rep 2020; 30:2900-2908.e4. [PMID: 32130895 PMCID: PMC7082123 DOI: 10.1016/j.celrep.2020.02.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 08/12/2019] [Accepted: 02/07/2020] [Indexed: 12/13/2022] Open
Abstract
The immune composition of the tumor microenvironment influences response and resistance to immunotherapies. While numerous studies have identified somatic correlates of immune infiltration, germline features that associate with immune infiltrates in cancers remain incompletely characterized. We analyze seven million autosomal germline variants in the TCGA cohort and test for association with established immune-related phenotypes that describe the tumor immune microenvironment. We identify one SNP associated with the amount of infiltrating follicular helper T cells; 23 candidate genes, some of which are involved in cytokine-mediated signaling and others containing cancer-risk SNPs; and networks with genes that are part of the DNA repair and transcription elongation pathways. In addition, we find a positive association between polygenic risk for rheumatoid arthritis and amount of infiltrating CD8+ T cells. Overall, we identify multiple germline genetic features associated with tumor-immune phenotypes and develop a framework for probing inherited features that contribute to differences in immune infiltration.
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Affiliation(s)
- Sahar Shahamatdar
- Center for Computational Molecular Biology, Brown University, Providence, RI 02912, USA; Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02912, USA
| | - Meng Xiao He
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Harvard Graduate Program in Biophysics, Boston, MA 02115, USA
| | - Matthew A Reyna
- Department of Biomedical Informatics, Emory University, Atlanta, GA 30322, USA; Department of Computer Science, Princeton University, Princeton, NJ 08544, USA
| | - Alexander Gusev
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Division of Genetics, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Saud H AlDubayan
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA; Division of Genetics, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Eliezer M Van Allen
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
| | - Sohini Ramachandran
- Center for Computational Molecular Biology, Brown University, Providence, RI 02912, USA; Department of Ecology and Evolutionary Biology, Brown University, Providence, RI 02912, USA.
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32
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Novel replisome-associated proteins at cellular replication forks in EBV-transformed B lymphocytes. PLoS Pathog 2019; 15:e1008228. [PMID: 31841561 PMCID: PMC6936862 DOI: 10.1371/journal.ppat.1008228] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/30/2019] [Accepted: 11/20/2019] [Indexed: 01/08/2023] Open
Abstract
Epstein-Barr virus (EBV) is an oncogenic herpesvirus and WHO class 1 carcinogen that resides in B lymphocytes of nearly all humans. While silent in most, EBV can cause endemic Burkitt lymphoma in children and post-transplant lymphoproliferative disorders/lymphomas in immunocompromised hosts. The pathogenesis of such lymphomas is multifactorial but to a large extent depends on EBV’s ability to aggressively drive cellular DNA replication and B cell proliferation despite cell-intrinsic barriers to replication. One such barrier is oncogenic replication stress which hinders the progression of DNA replication forks. To understand how EBV successfully overcomes replication stress, we examined cellular replication forks in EBV-transformed B cells using iPOND (isolation of Proteins on Nascent DNA)-mass spectrometry and identified several cellular proteins that had not previously been linked to DNA replication. Of eight candidate replisome-associated proteins that we validated at forks in EBV-transformed cells and Burkitt lymphoma-derived cells, three zinc finger proteins (ZFPs) were upregulated early in B cells newly-infected with EBV in culture as well as expressed at high levels in EBV-infected B blasts in the blood of immunocompromised transplant recipients. Expressed highly in S- and G2-phase cells, knockdown of each ZFP resulted in stalling of proliferating cells in the S-phase, cleavage of caspase 3, and cell death. These proteins, newly-identified at replication forks of EBV-transformed and Burkitt lymphoma cells therefore contribute to cell survival and cell cycle progression, and represent novel targets for intervention of EBV-lymphomas while simultaneously offering a window into how the replication machinery may be similarly modified in other cancers. Cancer cells must overcome chronic replication stress, a central barrier to DNA replication. This is true also for cancers caused by Epstein-Barr virus (EBV). To understand how EBV overcomes this barrier to successfully drive cell proliferation, we isolated proteins associated with the cellular replication machinery in EBV-transformed B lymphocytes and identified several cellular proteins that had not previously been linked to DNA replication in cancer or healthy cells. Three of these were zinc finger proteins enriched at the replication machinery in EBV-transformed and EBV-positive Burkitt lymphoma-derived cells, upregulated in newly-infected B cells, and expressed at high levels in infected B cells from transplant recipients. These zinc finger proteins also contributed towards cell proliferation, survival, and cell cycle progression. While these proteins may also contribute to DNA replication in other cancers, they simultaneously represent potential targets in EBV-cancers, some of which are difficult to treat.
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Ramachandran K, Senagolage MD, Sommars MA, Futtner CR, Omura Y, Allred AL, Barish GD. Dynamic enhancers control skeletal muscle identity and reprogramming. PLoS Biol 2019; 17:e3000467. [PMID: 31589602 PMCID: PMC6799888 DOI: 10.1371/journal.pbio.3000467] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 10/17/2019] [Accepted: 09/11/2019] [Indexed: 12/27/2022] Open
Abstract
Skeletal muscles consist of fibers of differing metabolic activities and contractility, which become remodeled in response to chronic exercise, but the epigenomic basis for muscle identity and adaptation remains poorly understood. Here, we used chromatin immunoprecipitation sequencing of dimethylated histone 3 lysine 4 and acetylated histone 3 lysine 27 as well as transposase-accessible chromatin profiling to dissect cis-regulatory networks across muscle groups. We demonstrate that in vivo enhancers specify muscles in accordance with myofiber composition, show little resemblance to cultured myotube enhancers, and identify glycolytic and oxidative muscle-specific regulators. Moreover, we find that voluntary wheel running and muscle-specific peroxisome proliferator-activated receptor gamma coactivator-1 alpha (Pgc1a) transgenic (mTg) overexpression, which stimulate endurance performance in mice, result in markedly different changes to the epigenome. Exercise predominantly leads to enhancer hypoacetylation, whereas mTg causes hyperacetylation at different sites. Integrative analysis of regulatory regions and gene expression revealed that exercise and mTg are each associated with myocyte enhancer factor (MEF) 2 and estrogen-related receptor (ERR) signaling and transcription of genes promoting oxidative metabolism. However, exercise was additionally associated with regulation by retinoid X receptor (RXR), jun proto-oncogene (JUN), sine oculis homeobox factor (SIX), and other factors. Overall, our work defines the unique enhancer repertoires of skeletal muscles in vivo and reveals that divergent exercise-induced or PGC1α-driven epigenomic programs direct partially convergent transcriptional networks.
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Affiliation(s)
- Krithika Ramachandran
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Madhavi D. Senagolage
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Meredith A. Sommars
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Christopher R. Futtner
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Yasuhiro Omura
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Amanda L. Allred
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Grant D. Barish
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
- Jesse Brown VA Medical Center, Chicago, Illinois, United States of America
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34
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Paschke L, Jopek K, Szyszka M, Tyczewska M, Malendowicz LK, Rucinski M. ZFP91 zinc finger protein expression pattern in normal tissues and cancers. Oncol Lett 2019; 17:3599-3606. [PMID: 30867803 DOI: 10.3892/ol.2019.9963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Accepted: 12/20/2018] [Indexed: 01/07/2023] Open
Abstract
Zinc finger protein 91 (ZFP91) gene has been recently acknowledged to possess oncogenic properties. To date, its expression has been examined only in a handful of human organs and cancer types. The aim of the present study was to characterize, for the first time, the ZFP91 expression pattern in a range of human tissues and cancer types. ZFP91 mRNA expression was examined using Cancer Survey cDNA sets. Utilized cDNA samples represented 15 human organs and 17 cancer types. ZFP91 mRNA expression was the highest in the testes and lymph nodes. It was downregulated in testis cancer, lymphoma and thyroid cancer, and upregulated in prostate cancer. Among the analyzed cancer types, ZFP91 expression was markedly elevated in sarcomas and melanoma. On a protein level, a large-scale reverse phase protein array was employed providing samples from 11 organ types and from cancers derived from these organs. ZFP91 protein expression was revealed to be generally stable across the tested samples and was only moderately elevated in breast, ovarian and pancreatic cancers. To the best of our knowledge, this is the first study to thoroughly analyze the ZFP91 expression pattern in human tissues and cancers. The obtained results provide the foundation for further work aiming to reveal its full biological significance.
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Affiliation(s)
- Lukasz Paschke
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Karol Jopek
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Marta Szyszka
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Marianna Tyczewska
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Ludwik K Malendowicz
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
| | - Marcin Rucinski
- Department of Histology and Embryology, Poznan University of Medical Sciences, 60-781 Poznan, Poland
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35
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Dictamnine promotes apoptosis and inhibits epithelial-mesenchymal transition, migration, invasion and proliferation by downregulating the HIF-1α and Slug signaling pathways. Chem Biol Interact 2018; 296:134-144. [DOI: 10.1016/j.cbi.2018.09.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/21/2018] [Accepted: 09/24/2018] [Indexed: 01/02/2023]
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36
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Sievers QL, Petzold G, Bunker RD, Renneville A, Słabicki M, Liddicoat BJ, Abdulrahman W, Mikkelsen T, Ebert BL, Thomä NH. Defining the human C2H2 zinc finger degrome targeted by thalidomide analogs through CRBN. Science 2018; 362:eaat0572. [PMID: 30385546 PMCID: PMC6326779 DOI: 10.1126/science.aat0572] [Citation(s) in RCA: 279] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/28/2018] [Accepted: 09/12/2018] [Indexed: 12/15/2022]
Abstract
The small molecules thalidomide, lenalidomide, and pomalidomide induce the ubiquitination and proteasomal degradation of the transcription factors Ikaros (IKZF1) and Aiolos (IKZF3) by recruiting a Cys2-His2 (C2H2) zinc finger domain to Cereblon (CRBN), the substrate receptor of the CRL4CRBN E3 ubiquitin ligase. We screened the human C2H2 zinc finger proteome for degradation in the presence of thalidomide analogs, identifying 11 zinc finger degrons. Structural and functional characterization of the C2H2 zinc finger degrons demonstrates how diverse zinc finger domains bind the permissive drug-CRBN interface. Computational zinc finger docking and biochemical analysis predict that more than 150 zinc fingers bind the drug-CRBN complex in vitro, and we show that selective zinc finger degradation can be achieved through compound modifications. Our results provide a rationale for therapeutically targeting transcription factors that were previously considered undruggable.
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Affiliation(s)
- Quinlan L Sievers
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
- Brigham and Women's Hospital, Division of Hematology, Harvard Medical School, Boston, MA 02115, USA
| | - Georg Petzold
- Friedrich Miescher Institute for Biomedical Research, 4058 Basel, Switzerland
| | - Richard D Bunker
- Friedrich Miescher Institute for Biomedical Research, 4058 Basel, Switzerland
| | - Aline Renneville
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
- Brigham and Women's Hospital, Division of Hematology, Harvard Medical School, Boston, MA 02115, USA
| | - Mikołaj Słabicki
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
- Brigham and Women's Hospital, Division of Hematology, Harvard Medical School, Boston, MA 02115, USA
- Division of Translational Oncology, National Center for Tumor Diseases, Heidelberg and German Cancer Research Center, 69120 Heidelberg, Germany
| | - Brian J Liddicoat
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
- Brigham and Women's Hospital, Division of Hematology, Harvard Medical School, Boston, MA 02115, USA
| | - Wassim Abdulrahman
- Friedrich Miescher Institute for Biomedical Research, 4058 Basel, Switzerland
| | | | - Benjamin L Ebert
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
- Brigham and Women's Hospital, Division of Hematology, Harvard Medical School, Boston, MA 02115, USA
- Dana Farber Cancer Institute, Department of Medical Oncology, Boston, MA 02215, USA
| | - Nicolas H Thomä
- Friedrich Miescher Institute for Biomedical Research, 4058 Basel, Switzerland.
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Studencka-Turski M, Maubach G, Feige MH, Naumann M. Constitutive activation of nuclear factor kappa B-inducing kinase counteracts apoptosis in cells with rearranged mixed lineage leukemia gene. Leukemia 2018; 32:2498-2501. [PMID: 29725033 DOI: 10.1038/s41375-018-0128-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/14/2018] [Accepted: 03/29/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Maja Studencka-Turski
- Institute of Experimental Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Gunter Maubach
- Institute of Experimental Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Michael Hartmut Feige
- Institute of Experimental Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, Germany
| | - Michael Naumann
- Institute of Experimental Internal Medicine, Medical Faculty, Otto von Guericke University, Magdeburg, Germany.
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38
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Mi C, Wang Z, Li MY, Zhang ZH, Ma J, Jin X. Zinc finger protein 91 positively regulates the production of IL-1β in macrophages by activation of MAPKs and non-canonical caspase-8 inflammasome. Br J Pharmacol 2018; 175:4338-4352. [PMID: 30182366 DOI: 10.1111/bph.14493] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 07/22/2018] [Accepted: 08/13/2018] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND AND PURPOSE IL-1β is a cytokine of critical importance in inflammatory, infectious and autoimmune diseases. Zinc finger protein 91 (ZFP91) has been reported to be involved in multiple biological processes. Here, we identified a previously unknown role for ZFP91 in the production of biologically active IL-1β and investigated the underlying mechanisms of its effects. EXPERIMENTAL APPROACH In vitro, the underlying mechanisms of ZFP91 at inhibiting the expression of IL-1β were investigated by ELISA, RT-PCR, Western blotting, immunoprecipitation and immunofluorescence assays. In vivo, colitis was induced by giving 4% dextran sulfate sodium (DSS) p.o. in drinking water for 5 days. Peritonitis was induced by injecting 700 μg alum i.p. for 12 h. KEY RESULTS ZFP91 activated the non-canonical caspase-8 inflammasome, which resulted in robust IL-1β secretion. Using an immunoprecipitation assay and immunofluorescence assay, we found that ZFP91 promoted the assembly of the non-canonical caspase-8 inflammasome complex. Moreover, ZFP91 enhanced the activation of ERK, p38 MAPK and JNK in macrophages. In addition, our data demonstrate that the synthesis of pro-IL-1β is dependent on activation of these MAPK signalling pathways. In vivo experiments, the symptoms and colonic inflammation associated with DSS-induced colitis were ameliorated in mice deficient in ZFP91. Furthermore, the inflammation in alum-induced peritonitis was also attenuated in mice deficient in ZFP91. CONCLUSIONS AND IMPLICATIONS Our research describes a mechanism by which ZFP91 promotes production of IL-1β under physiological conditions and suggests that ZFP91 may be a promising therapeutic target for intervention in inflammatory, infectious and autoimmune-related diseases.
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Affiliation(s)
- Chunliu Mi
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Zhe Wang
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Ming Yue Li
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Zhi Hong Zhang
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Juan Ma
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Xuejun Jin
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
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Faust TB, Li Y, Bacon CW, Jang GM, Weiss A, Jayaraman B, Newton BW, Krogan NJ, D'Orso I, Frankel AD. The HIV-1 Tat protein recruits a ubiquitin ligase to reorganize the 7SK snRNP for transcriptional activation. eLife 2018; 7:31879. [PMID: 29845934 PMCID: PMC5999396 DOI: 10.7554/elife.31879] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 05/26/2018] [Indexed: 12/12/2022] Open
Abstract
The HIV-1 Tat protein hijacks P-TEFb kinase to activate paused RNA polymerase II (RNAP II) at the viral promoter. Tat binds additional host factors, but it is unclear how they regulate RNAP II elongation. Here, we identify the cytoplasmic ubiquitin ligase UBE2O as critical for Tat transcriptional activity. Tat hijacks UBE2O to ubiquitinate the P-TEFb kinase inhibitor HEXIM1 of the 7SK snRNP, a fraction of which also resides in the cytoplasm bound to P-TEFb. HEXIM1 ubiquitination sequesters it in the cytoplasm and releases P-TEFb from the inhibitory 7SK complex. Free P-TEFb then becomes enriched in chromatin, a process that is also stimulated by treating cells with a CDK9 inhibitor. Finally, we demonstrate that UBE2O is critical for P-TEFb recruitment to the HIV-1 promoter. Together, the data support a unique model of elongation control where non-degradative ubiquitination of nuclear and cytoplasmic 7SK snRNP pools increases P-TEFb levels for transcriptional activation.
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Affiliation(s)
- Tyler B Faust
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, United States
| | - Yang Li
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, United States
| | - Curtis W Bacon
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, United States
| | - Gwendolyn M Jang
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, United States.,J David Gladstone Institutes, San Francisco, United States
| | - Amit Weiss
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, United States
| | - Bhargavi Jayaraman
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, United States
| | - Billy W Newton
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, United States.,J David Gladstone Institutes, San Francisco, United States
| | - Nevan J Krogan
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco, San Francisco, United States.,J David Gladstone Institutes, San Francisco, United States
| | - Iván D'Orso
- Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, United States
| | - Alan D Frankel
- Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, United States
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40
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ECD promotes gastric cancer metastasis by blocking E3 ligase ZFP91-mediated hnRNP F ubiquitination and degradation. Cell Death Dis 2018; 9:479. [PMID: 29706618 PMCID: PMC5924763 DOI: 10.1038/s41419-018-0525-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 03/23/2018] [Indexed: 12/12/2022]
Abstract
The human ortholog of the Drosophila ecdysoneless gene (ECD) is required for embryonic development and cell-cycle progression; however, its role in cancer progression and metastasis remains unclear. Here, we found that ECD is frequently overexpressed in gastric cancer (GC), especially in metastatic GC, and is correlated with poor clinical outcomes in GC patients. Silencing ECD inhibited GC migration and invasion in vitro and metastasis in vivo, while ECD overexpression promoted GC migration and invasion. ECD promoted GC invasion and metastasis by protecting hnRNP F from ubiquitination and degradation. We identified ZFP91 as the E3 ubiquitin ligase that is responsible for hnRNP F ubiquitination at Lys 185 and proteasomal degradation. ECD competitively bound to hnRNP F via the N-terminal STG1 domain (13-383aa), preventing hnRNP F from interacting with ZFP91, thus preventing ZFP91-mediated hnRNP F ubiquitination and proteasomal degradation. Collectively, our findings indicate that ECD promotes cancer invasion and metastasis by preventing E3 ligase ZFP91-mediated hnRNP F ubiquitination and degradation, suggesting that ECD may be a marker for poor prognosis and a potential therapeutic target for GC patients.
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41
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Ma J, Mi C, Wang KS, Lee JJ, Jin X. Zinc finger protein 91 (ZFP91) activates HIF-1α via NF-κB/p65 to promote proliferation and tumorigenesis of colon cancer. Oncotarget 2017; 7:36551-36562. [PMID: 27144516 PMCID: PMC5095020 DOI: 10.18632/oncotarget.9070] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Accepted: 04/16/2016] [Indexed: 12/14/2022] Open
Abstract
Zinc finger protein 91 (ZFP91) has been reported to be involved in various biological processes. However, the clinical significance and biological role of ZFP91 in colon cancer remains unknown. Here, we show that ZFP91 expression is upregulated in patients with colon cancer. We found that ZFP91 upregulated HIF-1α at the levels of promoter and protein in colon cancer cells. Using chromatin immunoprecipitation, electrophoretic mobility shift assay and luciferase reporter gene assay, we found that NF-κB/p65 is required for the binding of ZFP91 to the HIF-1α promoter at -197/-188 base pairs and for the transcriptional activation of HIF-1α gene mediated by ZFP91. Flow cytometry, 5-ethynyl-2'-deoxyuridine (EdU) incorporation and tumor xenograft assay demonstrated that ZFP91 enhanced cell proliferation of colon cancer through upregulating HIF-1α in vitro and in vivo. Furthermore, ZFP91 is positively associated with HIF-1α in human colon cancer. Thus, we concluded that ZFP91 activates transcriptional coregulatory protein HIF-1α through transcription factor NF-κB/p65 in the promotion of proliferation and tumorigenesis in colon cancer cell. ZFP91 may serve as a driver gene to activate HIF-1α transcription in the development of cancer.
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Affiliation(s)
- Juan Ma
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Chunliu Mi
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Ke Si Wang
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Jung Joon Lee
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
| | - Xuejun Jin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Yanji 133002, Jilin Province, China
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42
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pSILAC mass spectrometry reveals ZFP91 as IMiD-dependent substrate of the CRL4 CRBN ubiquitin ligase. Nat Commun 2017; 8:15398. [PMID: 28530236 PMCID: PMC5458144 DOI: 10.1038/ncomms15398] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 03/23/2017] [Indexed: 12/24/2022] Open
Abstract
Thalidomide and its derivatives lenalidomide and pomalidomide (IMiDs) are effective treatments of haematologic malignancies. It was shown that IMiDs impart gain-of-function properties to the CUL4-RBX1-DDB1-CRBN (CRL4CRBN) ubiquitin ligase that enable binding, ubiquitination and degradation of key therapeutic targets such as IKZF1, IKZF3 and CSNK1A1. While these substrates have been implicated as efficacy targets in multiple myeloma (MM) and 5q deletion associated myelodysplastic syndrome (del(5q)-MDS), other targets likely exist. Using a pulse-chase SILAC mass spectrometry-based proteomics approach, we demonstrate that lenalidomide induces the ubiquitination and degradation of ZFP91. We establish ZFP91 as a bona fide IMiD-dependent CRL4CRBN substrate and further show that ZFP91 harbours a zinc finger (ZnF) motif, related to the IKZF1/3 ZnF, critical for IMiD-dependent CRBN binding. These findings demonstrate that single time point pulse-chase SILAC mass spectrometry-based proteomics (pSILAC MS) is a sensitive approach for target identification of small molecules inducing selective protein degradation. Targeting therapeutically-relevant proteins for degradation is an emerging paradigm in drug discovery. Here the authors describe a sensitive pulse SILAC mass spectrometry-based proteomics approach that reports global changes in protein stability following drug treatment in a single time point experiment.
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43
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Cobbaut M, Derua R, Döppler H, Lou HJ, Vandoninck S, Storz P, Turk BE, Seufferlein T, Waelkens E, Janssens V, Van Lint J. Differential regulation of PKD isoforms in oxidative stress conditions through phosphorylation of a conserved Tyr in the P+1 loop. Sci Rep 2017; 7:887. [PMID: 28428613 PMCID: PMC5430542 DOI: 10.1038/s41598-017-00800-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 03/13/2017] [Indexed: 01/06/2023] Open
Abstract
Protein kinases are essential molecules in life and their crucial function requires tight regulation. Many kinases are regulated via phosphorylation within their activation loop. This loop is embedded in the activation segment, which additionally contains the Mg2+ binding loop and a P + 1 loop that is important in substrate binding. In this report, we identify Abl-mediated phosphorylation of a highly conserved Tyr residue in the P + 1 loop of protein kinase D2 (PKD2) during oxidative stress. Remarkably, we observed that the three human PKD isoforms display very different degrees of P + 1 loop Tyr phosphorylation and we identify one of the molecular determinants for this divergence. This is paralleled by a different activation mechanism of PKD1 and PKD2 during oxidative stress. Tyr phosphorylation in the P + 1 loop of PKD2 increases turnover for Syntide-2, while substrate specificity and the role of PKD2 in NF-κB signaling remain unaffected. Importantly, Tyr to Phe substitution renders the kinase inactive, jeopardizing its use as a non-phosphorylatable mutant. Since large-scale proteomics studies identified P + 1 loop Tyr phosphorylation in more than 70 Ser/Thr kinases in multiple conditions, our results do not only demonstrate differential regulation/function of PKD isoforms under oxidative stress, but also have implications for kinase regulation in general.
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Affiliation(s)
- Mathias Cobbaut
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium.,Leuven Cancer Institute (LKI), KU Leuven, Leuven, Belgium
| | - Rita Derua
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Heike Döppler
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Hua Jane Lou
- Department of Pharmacology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Sandy Vandoninck
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Peter Storz
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Benjamin E Turk
- Department of Pharmacology, Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Etienne Waelkens
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Veerle Janssens
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium.,Leuven Cancer Institute (LKI), KU Leuven, Leuven, Belgium
| | - Johan Van Lint
- Department of Cellular and Molecular Medicine, Faculty of Medicine, KU Leuven, Leuven, Belgium. .,Leuven Cancer Institute (LKI), KU Leuven, Leuven, Belgium.
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44
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PJA2 ubiquitinates the HIV-1 Tat protein with atypical chain linkages to activate viral transcription. Sci Rep 2017; 7:45394. [PMID: 28345603 PMCID: PMC5366948 DOI: 10.1038/srep45394] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 02/22/2017] [Indexed: 12/23/2022] Open
Abstract
Transcription complexes that assemble at the HIV-1 promoter efficiently initiate transcription but generate paused RNA polymerase II downstream from the start site. The virally encoded Tat protein hijacks positive transcription elongation factor b (P-TEFb) to phosphorylate and activate this paused polymerase. In addition, Tat undergoes a series of reversible post-translational modifications that regulate distinct steps of the transcription cycle. To identify additional functionally important Tat cofactors, we performed RNAi knockdowns of sixteen previously identified Tat interactors and found that a novel E3 ligase, PJA2, ubiquitinates Tat in a non-degradative manner and specifically regulates the step of HIV transcription elongation. Interestingly, several different lysine residues in Tat can function as ubiquitin acceptor sites, and variable combinations of these lysines support both full transcriptional activity and viral replication. Further, the polyubiquitin chain conjugated to Tat by PJA2 can itself be assembled through variable ubiquitin lysine linkages. Importantly, proper ubiquitin chain assembly by PJA2 requires that Tat first binds its P-TEFb cofactor. These results highlight that both the Tat substrate and ubiquitin modification have plastic site usage, and this plasticity is likely another way in which the virus exploits the host molecular machinery to expand its limited genetic repertoire.
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45
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IIZUKA M, SUSA T, TAMAMORI-ADACHI M, OKINAGA H, OKAZAKI T. Intrinsic ubiquitin E3 ligase activity of histone acetyltransferase Hbo1 for estrogen receptor α. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2017; 93:498-510. [PMID: 28769019 PMCID: PMC5713178 DOI: 10.2183/pjab.93.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 05/09/2017] [Indexed: 06/07/2023]
Abstract
Estrogen receptors (ER) are important transcription factors to relay signals from estrogen and to regulate proliferation of some of breast cancers. The cycling of estrogen-induced DNA binding and ubiquitin-linked proteolysis of ER potentiates ER-mediated transcription. Indeed, several transcriptional coactivators for ER-dependent transcription ubiquitinate ER. Histone acetyltransferase (HAT) Hbo1/KAT7/MYST2, involved in global histone acetylation, DNA replication, transcription, and cellular proliferation, promotes proteasome-dependent degradation of ERα through ubiquitination. However, molecular mechanism for ubiquitination of ERα by Hbo1 is unknown. Here we report the intrinsic ubiquitin E3 ligase activity of Hbo1 toward the ERα. The ligand, estradiol-17β, inhibited E3 ligase activity of Hbo1 for ERα in vitro, whereas hyperactive ERα mutants from metastatic breast cancers resistant to hormonal therapy, were better substrates for ERα ubiquitination by Hbo1. Hbo1 knock-down caused increase in ERα expression. Hbo1 is another ERα coactivator that ubiquitinates ERα.
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Affiliation(s)
- Masayoshi IIZUKA
- Department of Biochemistry, Teikyo University School of Medicine, Tokyo, Japan
| | - Takao SUSA
- Department of Biochemistry, Teikyo University School of Medicine, Tokyo, Japan
| | | | - Hiroko OKINAGA
- Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Tomoki OKAZAKI
- Department of Biochemistry, Teikyo University School of Medicine, Tokyo, Japan
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46
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Wang KS, Li J, Wang Z, Mi C, Ma J, Piao LX, Xu GH, Li X, Jin X. Artemisinin inhibits inflammatory response via regulating NF-κB and MAPK signaling pathways. Immunopharmacol Immunotoxicol 2016; 39:28-36. [DOI: 10.1080/08923973.2016.1267744] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Ke Si Wang
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Junbo Li
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Zhe Wang
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Chunliu Mi
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Juan Ma
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Lian Xun Piao
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Guang Hua Xu
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Xuezheng Li
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
| | - Xuejun Jin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin Province, China
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47
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ZFP91: A Noncanonical NF- κB Signaling Pathway Regulator with Oncogenic Properties Is Overexpressed in Prostate Cancer. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6963582. [PMID: 27975057 PMCID: PMC5128685 DOI: 10.1155/2016/6963582] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 10/17/2016] [Indexed: 01/21/2023]
Abstract
Novel molecular targets are being searched to aid in prostate cancer diagnosis and therapy. Recently, ZFP91 zinc finger protein has been found to be upregulated in prostate cancer cell lines. It is a potentially important oncogenic protein; however only limited data regarding its biological function and expression patterns are available. To date, ZFP91 has been shown to be a key factor in activation of noncanonical NF-κB signaling pathway as well as to be involved in HIF-1α signaling in cancer cells. The present study aimed to characterize ZFP91 expression in prostate cancer specimens. Furthermore, since our earlier reports showed discrepancies between ZFP91 mRNA and protein levels, we studied this interrelationship in LNCaP and PC-3 prostate cancer cell lines using siRNA mediated knockdown. QPCR analysis revealed marked upregulation of ZFP91 mRNA in the majority of prostate cancer specimens. Transfection of prostate cancer cells with ZFP91 siRNA resulted in a 10-fold decrease in mRNA levels. On a protein level, however, no inhibitory effect was observed over the time of the cell culture. We conclude that ZFP91 is overexpressed in prostate cancer and that potential accumulation of the ZFP91 protein in studied cells may be of importance in prostate cancer biology.
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48
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Karlsen TA, de Souza GA, Ødegaard B, Engebretsen L, Brinchmann JE. microRNA-140 Inhibits Inflammation and Stimulates Chondrogenesis in a Model of Interleukin 1β-induced Osteoarthritis. MOLECULAR THERAPY. NUCLEIC ACIDS 2016; 5:e373. [PMID: 27727249 PMCID: PMC5095680 DOI: 10.1038/mtna.2016.64] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 07/07/2016] [Indexed: 12/21/2022]
Abstract
Osteoarthritis is a serious disease of articular cartilage. The pathogenic factors contributing to this disorder are inflammation, extracellular matrix degradation and failure to rebuild the articular cartilage. Preclinical studies suggest that microRNA-140 may play a protective role in osteoarthritis development, but little is known about the mechanism by which this occurs. Here we present the results of forced expression of microRNA-140 in an in vitro model of osteoarthritis, evaluated by global proteomics analysis. We show that inflammation was reduced through the altered levels of multiple proteins involved in the nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 pathway. microRNA-140 upregulated many of the components involved in the synthesis of hyaline extracellular matrix and reduced the levels of aggrecanases and syndecan 4, thus potentially both increasing cartilage repair and reducing cartilage breakdown. These results show how forced expression of microRNA-140 is likely to counteract all three pathogenic processes, and support the idea that intra-articular injection of microRNA-140 may benefit patients suffering from early osteoarthritis.
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Affiliation(s)
- Tommy A Karlsen
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | | | - Bjørn Ødegaard
- Department of Orthopedic Surgery, Lovisenberg Diakonale Hospital, Oslo, Norway
| | - Lars Engebretsen
- Department of Orthopedic Surgery, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Jan E Brinchmann
- Department of Immunology, Oslo University Hospital Rikshospitalet, Oslo, Norway.,Department of Molecular Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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49
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Li J, Ma J, Wang KS, Mi C, Wang Z, Piao LX, Xu GH, Li X, Lee JJ, Jin X. Baicalein inhibits TNF-α-induced NF-κB activation and expression of NF-κB-regulated target gene products. Oncol Rep 2016; 36:2771-2776. [PMID: 27667548 DOI: 10.3892/or.2016.5108] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 08/17/2016] [Indexed: 11/06/2022] Open
Abstract
The nuclear factor-κB (NF-κB) transcription factors control many physiological processes including inflammation, immunity, apoptosis and angiogenesis. In our search for NF-κB inhibitors from natural resources, we identified baicalein from Scutellaria baicalensis as an inhibitor of NF-κB activation. As examined by the NF-κB luciferase reporter assay, we found that baicalein suppressed TNF-α-induced NF-κB activation in a dose-dependent manner. It also inhibited TNF-α-induced nuclear translocation of p65 through inhibition of phosphorylation and degradation of IκBα. Furthermore, baicalein blocked the TNF-α-induced expression of NF-κB target genes involved in anti-apoptosis (cIAP-1, cIAP-2, FLIP and BCL-2), proliferation (COX-2, cyclin D1 and c-Myc), invasion (MMP‑9), angiogenesis (VEGF) and major inflammatory cytokines (IL-8 and MCP1). The flow cytometric analysis indicated that baicalein potentiated TNF-α-induced apoptosis and induced G1 phase arrest in HeLa cells. Moreover, baicalein significantly blocked activation of p38, extracellular signal-regulated kinase 1/2 (ERK1/2). Our results imply that baicalein could be a lead compound for the modulation of inflammatory diseases as well as certain cancers in which inhibition of NF-κB activity may be desirable.
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Affiliation(s)
- Junbo Li
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Juan Ma
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Ke Si Wang
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Chunliu Mi
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Zhe Wang
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Lian Xun Piao
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Guang Hua Xu
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Xuezheng Li
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Jung Joon Lee
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
| | - Xuejun Jin
- Key Laboratory of Natural Resources of Changbai Mountain and Functional Molecules, Ministry of Education, Molecular Cancer Research Center, College of Pharmacy, Yanbian University, Yanji, Jilin 133002, P.R. China
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50
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McDaniel DK, Eden K, Ringel VM, Allen IC. Emerging Roles for Noncanonical NF-κB Signaling in the Modulation of Inflammatory Bowel Disease Pathobiology. Inflamm Bowel Dis 2016; 22:2265-79. [PMID: 27508514 PMCID: PMC4992436 DOI: 10.1097/mib.0000000000000858] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Crohn's disease and ulcerative colitis are common and debilitating manifestations of inflammatory bowel disease (IBD). IBD is characterized by a radical imbalance in the activation of proinflammatory and anti-inflammatory signaling pathways in the gut. These pathways are controlled by NF-κB, which is a master regulator of gene transcription. In IBD patients, NF-κB signaling is often dysregulated resulting in overzealous inflammation. NF-κB activation occurs through 2 distinct pathways, defined as either canonical or noncanonical. Canonical NF-κB pathway activation is well studied in IBD and is associated with the rapid, acute production of diverse proinflammatory mediators, such as COX-2, IL-1β, and IL-6. In contrast to the canonical pathway, the noncanonical or "alternative" NF-κB signaling cascade is tightly regulated and is responsible for the production of highly specific chemokines that tend to be associated with less acute, chronic inflammation. There is a relative paucity of literature regarding all aspects of noncanonical NF-ĸB signaling. However, it is clear that this alternative signaling pathway plays a considerable role in maintaining immune system homeostasis and likely contributes significantly to the chronic inflammation underlying IBD. Noncanonical NF-κB signaling may represent a promising new direction in the search for therapeutic targets and biomarkers associated with IBD. However, significant mechanistic insight is still required to translate the current basic science findings into effective therapeutic strategies.
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Affiliation(s)
- Dylan K. McDaniel
- Department of Biomedical Sciences and Pathobiology, Virginia Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061
| | - Kristin Eden
- Department of Biomedical Sciences and Pathobiology, Virginia Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061
| | - Veronica M. Ringel
- Graduate Program in Translational Biology, Medicine, and Health, Virginia Tech, Blacksburg, VA 24061
| | - Irving C. Allen
- Department of Biomedical Sciences and Pathobiology, Virginia Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061
- Graduate Program in Translational Biology, Medicine, and Health, Virginia Tech, Blacksburg, VA 24061
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