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Zhang S, Yu Q, Li Z, Zhao Y, Sun Y. Protein neddylation and its role in health and diseases. Signal Transduct Target Ther 2024; 9:85. [PMID: 38575611 PMCID: PMC10995212 DOI: 10.1038/s41392-024-01800-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/22/2024] [Accepted: 03/04/2024] [Indexed: 04/06/2024] Open
Abstract
NEDD8 (Neural precursor cell expressed developmentally downregulated protein 8) is an ubiquitin-like protein that is covalently attached to a lysine residue of a protein substrate through a process known as neddylation, catalyzed by the enzyme cascade, namely NEDD8 activating enzyme (E1), NEDD8 conjugating enzyme (E2), and NEDD8 ligase (E3). The substrates of neddylation are categorized into cullins and non-cullin proteins. Neddylation of cullins activates CRLs (cullin RING ligases), the largest family of E3 ligases, whereas neddylation of non-cullin substrates alters their stability and activity, as well as subcellular localization. Significantly, the neddylation pathway and/or many neddylation substrates are abnormally activated or over-expressed in various human diseases, such as metabolic disorders, liver dysfunction, neurodegenerative disorders, and cancers, among others. Thus, targeting neddylation becomes an attractive strategy for the treatment of these diseases. In this review, we first provide a general introduction on the neddylation cascade, its biochemical process and regulation, and the crystal structures of neddylation enzymes in complex with cullin substrates; then discuss how neddylation governs various key biological processes via the modification of cullins and non-cullin substrates. We further review the literature data on dysregulated neddylation in several human diseases, particularly cancer, followed by an outline of current efforts in the discovery of small molecule inhibitors of neddylation as a promising therapeutic approach. Finally, few perspectives were proposed for extensive future investigations.
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Affiliation(s)
- Shizhen Zhang
- Department of Breast Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China
| | - Qing Yu
- Department of Thyroid Surgery, Zhejiang Cancer Hospital, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Hangzhou, 310022, China
| | - Zhijian Li
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China
| | - Yongchao Zhao
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Department of Hepatobiliary and Pancreatic Surgery, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang University Cancer Center, Hangzhou, 310029, China.
| | - Yi Sun
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, 310029, China.
- Zhejiang University Cancer Center, Hangzhou, 310029, China.
- Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang, Hangzhou, 310024, China.
- Research Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Hangzhou, 310053, China.
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Wang M, Zhang Z, Li Z, Zhu Y, Xu C. E3 ubiquitin ligases and deubiquitinases in bladder cancer tumorigenesis and implications for immunotherapies. Front Immunol 2023; 14:1226057. [PMID: 37497216 PMCID: PMC10366618 DOI: 10.3389/fimmu.2023.1226057] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 06/23/2023] [Indexed: 07/28/2023] Open
Abstract
With the rapidly increasing incidence of bladder cancer in China and worldwide, great efforts have been made to understand the detailed mechanism of bladder cancer tumorigenesis. Recently, the introduction of immune checkpoint inhibitor-based immunotherapy has changed the treatment strategy for bladder cancer, especially for advanced bladder cancer, and has improved the survival of patients. The ubiquitin-proteasome system, which affects many biological processes, plays an important role in bladder cancer. Several E3 ubiquitin ligases and deubiquitinases target immune checkpoints, either directly or indirectly. In this review, we summarize the recent progress in E3 ubiquitin ligases and deubiquitinases in bladder cancer tumorigenesis and further highlight the implications for bladder cancer immunotherapies.
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Affiliation(s)
- Maoyu Wang
- Department of Urology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zhensheng Zhang
- Department of Urology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zhizhou Li
- Department of Urology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yasheng Zhu
- Department of Urology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
- Department of Urology, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Chuanliang Xu
- Department of Urology, Shanghai Changhai Hospital, Naval Medical University, Shanghai, China
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Xie Y, Zhao M. CAND1 orchestrates CRLs through rock and roll. Cell 2023; 186:1817-1818. [PMID: 37116466 DOI: 10.1016/j.cell.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/30/2023]
Abstract
Proper regulation of protein degradation is essential for cell physiology. In the current issue of Cell, Baek et al. elucidated how a large class of ubiquitin ligase, known as CRL, is assembled and disassembled through a key regulator, CAND1.
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Affiliation(s)
- Yuan Xie
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL, USA
| | - Minglei Zhao
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL, USA.
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Lin CY, Huang KY, Kao SH, Lin MS, Lin CC, Yang SC, Chung WC, Chang YH, Chein RJ, Yang PC. Small-molecule PIK-93 modulates the tumor microenvironment to improve immune checkpoint blockade response. SCIENCE ADVANCES 2023; 9:eade9944. [PMID: 37027467 PMCID: PMC10081850 DOI: 10.1126/sciadv.ade9944] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 03/08/2023] [Indexed: 06/19/2023]
Abstract
Immune checkpoint inhibitors (ICIs) targeting PD-L1 immunotherapy are state-of-the-art treatments for advanced non-small cell lung cancer (NSCLC). However, the treatment response of certain patients with NSCLC is unsatisfactory because of an unfavorable tumor microenvironment (TME) and poor permeability of antibody-based ICIs. In this study, we aimed to discover small-molecule drugs that can modulate the TME to enhance ICI treatment efficacy in NSCLC in vitro and in vivo. We identified a PD-L1 protein-modulating small molecule, PIK-93, using a cell-based global protein stability (GPS) screening system. PIK-93 mediated PD-L1 ubiquitination by enhancing the PD-L1-Cullin-4A interaction. PIK-93 reduced PD-L1 levels on M1 macrophages and enhanced M1 antitumor cytotoxicity. Combined PIK-93 and anti-PD-L1 antibody treatment enhanced T cell activation, inhibited tumor growth, and increased tumor-infiltrating lymphocyte (TIL) recruitment in syngeneic and human peripheral blood mononuclear cell (PBMC) line-derived xenograft mouse models. PIK-93 facilitates a treatment-favorable TME when combined with anti-PD-L1 antibodies, thereby enhancing PD-1/PD-L1 blockade cancer immunotherapy.
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Affiliation(s)
- Chia-Yi Lin
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Kuo-Yen Huang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shih-Han Kao
- Resuscitation Science Center of Emphasis, Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Ming-Shiu Lin
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Chih-Chien Lin
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Shuenn-Chen Yang
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Wei-Chia Chung
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Ya-Hsuan Chang
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Rong-Jie Chein
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Pan-Chyr Yang
- Department of Internal Medicine, College of Medicine, National Taiwan University, Taipei 100, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Nankang, Taipei 115, Taiwan
- Genomics Research Center, Academia Sinica, Nankang, Taipei 115, Taiwan
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Neddylation inhibition induces glutamine uptake and metabolism by targeting CRL3 SPOP E3 ligase in cancer cells. Nat Commun 2022; 13:3034. [PMID: 35641493 PMCID: PMC9156729 DOI: 10.1038/s41467-022-30559-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 05/03/2022] [Indexed: 01/12/2023] Open
Abstract
Abnormal neddylation activation is frequently observed in human cancers and neddylation inhibition has been proposed as a therapy for cancer. Here, we report that MLN4924, a small-molecule inhibitor of neddylation activating enzyme, increases glutamine uptake in breast cancer cells by causing accumulation of glutamine transporter ASCT2/SLC1A5, via inactivation of CRL3-SPOP E3 ligase. We show the E3 ligase SPOP promotes ASCT2 ubiquitylation, whereas SPOP itself is auto-ubiquitylated upon glutamine deprivation. Thus, SPOP and ASCT2 inversely regulate glutamine uptake and metabolism. SPOP knockdown increases ASCT2 levels to promote growth which is rescued by ASCT2 knockdown. Adding ASCT2 inhibitor V-9302 enhances MLN4924 suppression of tumor growth. In human breast cancer specimens, SPOP and ASCT2 levels are inversely correlated, whereas lower SPOP with higher ASCT2 predicts a worse patient survival. Collectively, our study links neddylation to glutamine metabolism via the SPOP-ASCT2 axis and provides a rational drug combination for enhanced cancer therapy. Neddylation inhibition has been reported as a therapy for cancer. Here, the authors show that neddylation inhibition increases glutamine metabolism by stabilizing glutamine transporter ASCT2, therefore targeting ASCT2 improves the anti-cancer effect of neddylation inhibitors.
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Zhang S, Sun Y. Mutual inactivation of two RING-finger-type E3 ubiquitin ligases during cell cycle progression. Mol Cell Oncol 2021; 8:1837582. [PMID: 33553599 DOI: 10.1080/23723556.2020.1837582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
CRL and APC/C belong to the RING-finger-type E3 ligases, and both play important roles in cell cycle regulation. Recently, we found that SAG, a RING component of CRL, acts as an endogenous inhibitor of APC/C by competing with APC2 for E2s binding; while APC/CCDH1 targets SAG for ubiquitylation and degradation at G1 phase. The negative crosstalk between these two E3s ensures the orderly cell cycle progression.
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Affiliation(s)
- Shizhen Zhang
- Cancer Institute of the Second Affiliated Hospital, and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Sun
- Cancer Institute of the Second Affiliated Hospital, and Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou, China
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Frawley D, Bayram Ö. Identification of SkpA-CulA-F-box E3 ligase complexes in pathogenic Aspergilli. Fungal Genet Biol 2020; 140:103396. [PMID: 32325169 DOI: 10.1016/j.fgb.2020.103396] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 11/29/2022]
Abstract
The ubiquitin proteasome system is critical for the regulation of protein turnover, which is implicated in the modulation of a wide array of biological processes in eukaryotes, ranging from cell senescence to virulence in plant and human hosts. Proteins to be marked for ubiquitination and subsequent degradation are bound by F-box proteins, which are interchangeable substrate-recognising receptors. These F-box proteins bind a wide range of substrates and associate with the adaptor protein Skp1 and the scaffold Cul1 to form Skp1-Cul1-F-box (SCF) complexes. SCF complex components are highly conserved in eukaryotes, ranging from yeast to humans. However, information regarding the composition of these complexes and the biological roles of F-box proteins is limited, specifically in filamentous fungal species like the genus Aspergillus. In this study, we have identified 51 and 55 fbx-encoding genes in the genomes of two pathogenic fungi, A. fumigatus and A. flavus, respectively. Immunoprecipitations of the HA-tagged SkpA adaptor protein revealed that 26 F-box proteins in A. fumigatus and 30 F-box proteins in A. flavus are involved in SCF complex formation during vegetative growth. These interactome data also revealed that a diverse array of SCF complex conformations exist in response to various exogenous stressors. Lastly, we have provided evidence that the F-box protein Fbx45 interacts with SkpA in both species in response to Amphotericin B. Orthologs of the fbx45 gene are highly conserved in Aspergillus species, but are not present within the genomes of organisms such as yeast, plants or humans. This suggests that Fbx45 could potentially be a novel F-box protein that is unique to specific filamentous fungi such as Aspergillus species.
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Affiliation(s)
- Dean Frawley
- Biology Department, Maynooth University, Maynooth, Co. Kildare, Ireland.
| | - Özgür Bayram
- Biology Department, Maynooth University, Maynooth, Co. Kildare, Ireland.
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