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Tin W, Xiao C, Sun K, Zhao Y, Xie M, Zheng J, Wang Y, Liu S, Yu U. TRIM8 as a predictor for prognosis in childhood acute lymphoblastic leukemia based on a signature of neutrophil extracellular traps. Front Oncol 2024; 14:1427776. [PMID: 39224802 PMCID: PMC11366590 DOI: 10.3389/fonc.2024.1427776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 07/22/2024] [Indexed: 09/04/2024] Open
Abstract
Background Neutrophil extracellular traps (NETs) can be attributed to the metastasis, occurrence, and immune evasion of cancer cells. We investigated the prognostic value of NET-related genes in childhood acute lymphoblastic leukemia (cALL) patients. Methods Differential gene expression analysis was conducted on samples collected from public databases. Grouping them based on the expression level of NET-related genes, we assessed the correlation between immune cell types and the risk score for having a poor prognosis of cALL, with an evaluation of the sensitivity of drugs used in cALL. We further divided the groups, integrating survival data. Subsequently, methods including multivariable Cox algorithms, least absolute shrinkage and selection operator (LASSO), and univariable were utilized to create a risk model predicting prognosis. Experiments in cell lines and animals were performed to explore the functions of TRIM8, a gene selected by the model. To validate the role of TRIM8 in leukemia development, lentivirus-mediated overexpression or knockdown of TRIM8 was employed in mice with T-ALL and B-ALL. Results Kaplan-Meier (KM) analysis underscored the importance of differentially expressed genes identified in the groups divided by genes participated in NETs, with enrichment analysis showing the mechanism. Correlation analysis revealed significant associations with B cells, NK cells, mast cells, T cells, plasma cells, dendritic cells, and monocytes. The IC50 values of drugs such as all-trans-retinoic acid (ATRA), axitinib, doxorubicin, methotrexate, sorafenib, and vinblastine were increased, while dasatinib exhibited a lower IC50. A total of 13 NET-related genes were selected in constructing the risk model. In the training, testing, and merged cohorts, KM analysis demonstrated significantly improved survival for low-risk cALL patients compared to high-risk cALL patients (p < 0.001). The area under the curve (AUC) indicated strong predictive performance. Experiments in Jurkat and SUP-B15 revealed that TRIM8 knockdown decreased the proliferation of leukemia cell lines. Further experiments demonstrated a more favorable prognosis in mice with TRIM8-knockdown leukemia cells. Results of cell lines and animals showed better outcomes in prognosis when TRIM8 was knocked down. Conclusion We identified a novelty in a prognostic model that could aid in the development of personalized treatments for cALL patients. Furthermore, it revealed that the expression of TRIM8 is a contributing factor to the proliferation of leukemia cells and worsens the prognosis of cALL.
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Affiliation(s)
- Waihin Tin
- Department of Pediatrics, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Cuilan Xiao
- Department of Oncology, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Maternal and Child Health of Haizhu District, Guangzhou, China
| | - Kexin Sun
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education), Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yijun Zhao
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education), Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Mengyun Xie
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education), Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiayin Zheng
- Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ying Wang
- Department of Hematology, Guangdong Pharmaceutical University, Guangzhou, Guangdong, China
| | - Sixi Liu
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, China
| | - Uet Yu
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, China
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Zhang HR, Wang YH, Xiao ZP, Yang G, Xu YR, Huang ZT, Wang WZ, He F. E3 ubiquitin ligases: key regulators of osteogenesis and potential therapeutic targets for bone disorders. Front Cell Dev Biol 2024; 12:1447093. [PMID: 39211390 PMCID: PMC11358089 DOI: 10.3389/fcell.2024.1447093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Accepted: 08/05/2024] [Indexed: 09/04/2024] Open
Abstract
Ubiquitination is a crucial post-translational modification of proteins that mediates the degradation or functional regulation of specific proteins. This process participates in various biological processes such as cell growth, development, and signal transduction. E3 ubiquitin ligases play both positive and negative regulatory roles in osteogenesis and differentiation by ubiquitination-mediated degradation or stabilization of transcription factors, signaling molecules, and cytoskeletal proteins. These activities affect the proliferation, differentiation, survival, and bone formation of osteoblasts (OBs). In recent years, advances in genomics, transcriptomics, and proteomics have led to a deeper understanding of the classification, function, and mechanisms of action of E3 ubiquitin ligases. This understanding provides new insights and approaches for revealing the molecular regulatory mechanisms of bone formation and identifying therapeutic targets for bone metabolic diseases. This review discusses the research progress and significance of the positive and negative regulatory roles and mechanisms of E3 ubiquitin ligases in the process of osteogenic differentiation. Additionally, the review highlights the role of E3 ubiquitin ligases in bone-related diseases. A thorough understanding of the role and mechanisms of E3 ubiquitin ligases in osteogenic differentiation could provide promising therapeutic targets for bone tissue engineering based on stem cells.
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Affiliation(s)
- Heng-Rui Zhang
- School of Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Department of Orthopedic, Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan, China
| | - Yang-Hao Wang
- Department of Pathology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Zhen-Ping Xiao
- Department of Orthopedic, Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan, China
- Department of Pain and Rehabilitation, The Second Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Guang Yang
- Department of Trauma Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Yun-Rong Xu
- Department of Orthopedic, Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan, China
| | - Zai-Tian Huang
- Department of Orthopedic, Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan, China
| | - Wei-Zhou Wang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Fei He
- Department of Orthopedic, Qujing Affiliated Hospital of Kunming Medical University, Qujing, Yunnan, China
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Gonzalez-Orozco M, Rodriguez-Salazar CA, Giraldo MI. The Dual Role of TRIM7 in Viral Infections. Viruses 2024; 16:1285. [PMID: 39205259 PMCID: PMC11360163 DOI: 10.3390/v16081285] [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: 07/13/2024] [Revised: 08/07/2024] [Accepted: 08/08/2024] [Indexed: 09/04/2024] Open
Abstract
The E3 ubiquitin ligase TRIM7 is known to have dual roles during viral infections. Like other TRIM proteins, TRIM7 can regulate the IFN pathway via the regulation of the cytosolic receptors RIG-I or MDA-5, which promote the production of type I interferons (IFN-I) and antiviral immune responses. Alternatively, under certain infectious conditions, TRIM7 can negatively regulate IFN-I signaling, resulting in increased virus replication. A growing body of evidence has also shown that TRIM7 can, in some cases, ubiquitinate viral proteins to promote viral replication and pathogenesis, while in other cases it can promote degradation of viral proteins through the proteasome, reducing virus infection. TRIM7 can also regulate the host inflammatory response and modulate the production of inflammatory cytokines, which can lead to detrimental inflammation. TRIM7 can also protect the host during infection by reducing cellular apoptosis. Here, we discuss the multiple functions of TRIM7 during viral infections and its potential as a therapeutic target.
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Affiliation(s)
- Maria Gonzalez-Orozco
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (M.G.-O.); (C.A.R.-S.)
| | - Carlos A. Rodriguez-Salazar
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (M.G.-O.); (C.A.R.-S.)
- Molecular Biology and Virology Laboratory, Faculty of Medicine and Health Sciences, Corporación Universitaria Empresarial Alexander von Humboldt, Armenia 630003, Colombia
| | - Maria I. Giraldo
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (M.G.-O.); (C.A.R.-S.)
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Zhang J, Wu Y, Wang Y, Wang J, Ye Y, Yin H, Sun N, Qin B, Sun N. TRIM35 Negatively Regulates the cGAS-STING-Mediated Signaling Pathway by Attenuating K63-Linked Ubiquitination of STING. Inflammation 2024:10.1007/s10753-024-02093-4. [PMID: 39088122 DOI: 10.1007/s10753-024-02093-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 06/21/2024] [Accepted: 06/27/2024] [Indexed: 08/02/2024]
Abstract
The cGAS-STING-mediated antiviral response plays an important role in the defense against DNA virus infection. Tripartite motif protein 35 (TRIM35), an E3 ubiquitin ligase, was identified as a positive regulator of RLR-mediated antiviral signaling in our previous study, but the effect of TRIM35 on the cGAS-STING signaling pathway has not been elucidated. Herein, we showed that TRIM35 negatively regulates the cGAS-STING signaling pathway by directly targeting STING. TRIM35 overexpression significantly inhibited the cGAMP-triggered phosphorylation of TBK1 and IRF3, attenuating IFN-β expression and the downstream antiviral response. Mechanistically, TRIM35 colocalized and directly interacted with STING in the cytoplasm. TRM35 removed K63-linked ubiquitin from STING through the C36 and C44 sites in the RING domain, which impaired the interaction of STING with TBK1 or IKKε. In addition, we demonstrated that the RING domain is a key region for the antiviral effects of TIRM35. These results collectively indicate that TRIM35 negatively regulates type I interferon (IFN-I) production by targeting and deubiquitinating STING. TRIM35 may be a potential therapeutic target for controlling viral infection.
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Affiliation(s)
- Jikai Zhang
- Xuzhou Medical University, Xuzhou, China
- Department of Pathogen Biology and Immunology, Jiangsu Key Laboratory of Immunity and Metabolism, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, China
| | - Yuhao Wu
- Xuzhou Medical University, Xuzhou, China
| | - Yiwen Wang
- Xuzhou Medical University, Xuzhou, China
| | - Jing Wang
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Yinlin Ye
- Xuzhou Medical University, Xuzhou, China
| | - Hang Yin
- Xuzhou Medical University, Xuzhou, China
| | - Ningye Sun
- Xuzhou Medical University, Xuzhou, China
| | | | - Nan Sun
- Xuzhou Medical University, Xuzhou, China.
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China.
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
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Hernández-Sarmiento LJ, Tamayo-Molina YS, Valdés-López JF, Urcuqui-Inchima S. Interleukin 27, Similar to Interferons, Modulates Gene Expression of Tripartite Motif (TRIM) Family Members and Interferes with Mayaro Virus Replication in Human Macrophages. Viruses 2024; 16:996. [PMID: 38932287 PMCID: PMC11209095 DOI: 10.3390/v16060996] [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: 05/15/2024] [Revised: 06/11/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The Tripartite motif (TRIM) family includes more than 80 distinct human genes. Their function has been implicated in regulating important cellular processes, including intracellular signaling, transcription, autophagy, and innate immunity. During viral infections, macrophages are key components of innate immunity that produce interferons (IFNs) and IL27. We recently published that IL27 and IFNs induce transcriptional changes in various genes, including those involved in JAK-STAT signaling. Furthermore, IL27 and IFNs share proinflammatory and antiviral pathways in monocyte-derived macrophages (MDMs), resulting in both common and unique expression of inflammatory factors and IFN-stimulated genes (ISGs) encoding antiviral proteins. Interestingly, many TRIM proteins have been recognized as ISGs in recent years. Although it is already very well described that TRIM expression is induced by IFNs, it is not fully understood whether TRIM genes are induced in macrophages by IL27. Therefore, in this study, we examined the effect of stimulation with IL27 and type I, II, and III IFNs on the mRNA expression profiles of TRIM genes in MDMs. METHODS We used bulk RNA-seq to examine the TRIM expression profile of MDMs treated with IFNs or IL27. Initially, we characterized the expression patterns of different TRIM subfamilies using a heatmap. Subsequently, a volcano plot was employed to identify commonly differentially expressed TRIM genes. Additionally, we conducted gene ontology analysis with ClueGO to explore the biological processes of the regulated TRIMs, created a gene-gene interaction network using GeneMANIA, and examined protein-protein interactions with the STRING database. Finally, RNA-seq data was validated using RT-qPCR. Furthermore, the effect of IL27 on Mayaro virus replication was also evaluated. RESULTS We found that IL27, similar to IFNs, upregulates several TRIM genes' expression in human macrophages. Specifically, we identified three common TRIM genes (TRIM19, 21, and 22) induced by IL27 and all types of human IFNs. Additionally, we performed the first report of transcriptional regulation of TRIM19, 21, 22, and 69 genes in response to IL27. The TRIMs involved a broad range of biological processes, including defense response to viruses, viral life cycle regulation, and negative regulation of viral processes. In addition, we observed a decrease in Mayaro virus replication in MDMs previously treated with IL27. CONCLUSIONS Our results show that IL27, like IFNs, modulates the transcriptional expression of different TRIM-family members involved in the induction of innate immunity and an antiviral response. In addition, the functional analysis demonstrated that, like IFN, IL27 reduced Mayaro virus replication in MDMs. This implies that IL27 and IFNs share many similarities at a functional level. Moreover, identifying distinct TRIM groups and their differential expressions in response to IL27 provides new insights into the regulatory mechanisms underlying the antiviral response in human macrophages.
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Affiliation(s)
| | | | | | - Silvio Urcuqui-Inchima
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín 050001, Colombia; (L.J.H.-S.); (Y.S.T.-M.); (J.F.V.-L.)
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6
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Liu K, Gu Y, Gu S, Song L, Hua S, Li D, Tang M. Trim27 aggravates airway inflammation and oxidative stress in asthmatic mice via potentiating the NLRP3 inflammasome. Int Immunopharmacol 2024; 134:112199. [PMID: 38713938 DOI: 10.1016/j.intimp.2024.112199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 04/22/2024] [Accepted: 04/30/2024] [Indexed: 05/09/2024]
Abstract
Asthma is a prevalent chronic respiratory disease, yet understanding its ecology and pathogenesis remains a challenge. Trim27, a ubiquitination ligase belonging to the TRIM (tripartite motif-containing) family, has been implicated in regulating multiple pathophysiological processes such as inflammation, oxidative stress, apoptosis, and cell proliferation. However, the role of Trim27 in asthma has not been investigated. Our study found that Trim27 expression significantly increases in the airway epithelium of asthmatic mice. Knockdown of Trim27 expression effectively relieved ovalbumin (OVA)-induced airway hyperresponsiveness (AHR) and lung tissue histopathological changes. Moreover, Trim27 knockdown exhibited a significant reduction in airway inflammation and oxidative stress in asthmatic mice, and in vitro analysis confirmed the favorable effect of Trim27 deletion on inflammation and oxidative stress in mouse airway epithelial cells. Furthermore, our study revealed that deletion of Trim27 in MLE12 cells significantly decreased NLRP3 inflammasome activation, as evidenced by reduced expression of NLRP3, ASC, and pro-IL-1β mRNA. This downregulation was reversed when Trim27, but not its mutant lacking ubiquitination ligase activity, was replenished in these cells. Consistent with these findings, protein levels of NLRP3, pro-caspase-1, pro-IL-1β, cleaved-caspase-1, and cleaved-IL-1β were higher in Trim27-replenished cells compared to cells expressing Trim27C/A. Functionally, the downregulation of IL-1β and IL-18 levels induced by Trim27 deletion was rescued by replenishing Trim27. Overall, our findings provide evidence that Trim27 contributes to airway inflammation and oxidative stress in asthmatic mice via NLRP3 inflammasome activation, providing crucial insights into potential therapeutic interventions targeting Trim27 as a way to treat asthma.
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Affiliation(s)
- Kaimeng Liu
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China
| | - Yue Gu
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China
| | - Sanwei Gu
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China
| | - Lei Song
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China
| | - Shucheng Hua
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China.
| | - Dan Li
- Department of Respiratory Medicine, Center for Pathogen Biology and Infectious Diseases, The First Hospital of Jilin University, Changchun 130021, China.
| | - Mingbo Tang
- Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun 130021, China.
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Lin M, Zheng X, Yan J, Huang F, Chen Y, Ding R, Wan J, Zhang L, Wang C, Pan J, Cao X, Fu K, Lou Y, Feng XH, Ji J, Zhao B, Lan F, Shen L, He X, Qiu Y, Jin J. The RNF214-TEAD-YAP signaling axis promotes hepatocellular carcinoma progression via TEAD ubiquitylation. Nat Commun 2024; 15:4995. [PMID: 38862474 PMCID: PMC11167002 DOI: 10.1038/s41467-024-49045-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 05/22/2024] [Indexed: 06/13/2024] Open
Abstract
RNF214 is an understudied ubiquitin ligase with little knowledge of its biological functions or protein substrates. Here we show that the TEAD transcription factors in the Hippo pathway are substrates of RNF214. RNF214 induces non-proteolytic ubiquitylation at a conserved lysine residue of TEADs, enhances interactions between TEADs and YAP, and promotes transactivation of the downstream genes of the Hippo signaling. Moreover, YAP and TAZ could bind polyubiquitin chains, implying the underlying mechanisms by which RNF214 regulates the Hippo pathway. Furthermore, RNF214 is overexpressed in hepatocellular carcinoma (HCC) and inversely correlates with differentiation status and patient survival. Consistently, RNF214 promotes tumor cell proliferation, migration, and invasion, and HCC tumorigenesis in mice. Collectively, our data reveal RNF214 as a critical component in the Hippo pathway by forming a signaling axis of RNF214-TEAD-YAP and suggest that RNF214 is an oncogene of HCC and could be a potential drug target of HCC therapy.
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Affiliation(s)
- Mengjia Lin
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, and National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, Zhejiang, China
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Xiaoyun Zheng
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jianing Yan
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, Zhejiang, China
| | - Fei Huang
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Yilin Chen
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Ran Ding
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jinkai Wan
- International Co-laboratory of Medical Epigenetics and Metabolism of Ministry of Science and Technology, and Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, and Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lei Zhang
- International Co-laboratory of Medical Epigenetics and Metabolism of Ministry of Science and Technology, and Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Chenliang Wang
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jinchang Pan
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Xiaolei Cao
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Kaiyi Fu
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Yan Lou
- Zhejiang Provincial Key Laboratory for Drug Clinical Research and Evaluation, Department of Clinical Pharmacy, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, Zhejiang, China
| | - Xin-Hua Feng
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Center for Life Sciences, Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China
| | - Junfang Ji
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Center for Life Sciences, Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China
| | - Bin Zhao
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Center for Life Sciences, Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China
| | - Fei Lan
- International Co-laboratory of Medical Epigenetics and Metabolism of Ministry of Science and Technology, and Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
- Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, and Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Li Shen
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China
- Department of Orthopedics Surgery, School of Medicine, The Second Affiliated Hospital, Zhejiang University, Hangzhou, 310009, Zhejiang, China
| | - Xianglei He
- Department of Pathology, Zhejiang Provincial People's Hospital, Hangzhou, 3100014, Zhejiang, China
| | - Yunqing Qiu
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, and National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, Zhejiang, China.
- Zhejiang Provincial Key Laboratory for Drug Clinical Research and Evaluation, Department of Clinical Pharmacy, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, Zhejiang, China.
| | - Jianping Jin
- Life Sciences Institute, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
- Cancer Center, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
- Zhejiang Provincial Key Laboratory for Drug Clinical Research and Evaluation, Department of Clinical Pharmacy, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310000, Zhejiang, China.
- Center for Life Sciences, Shaoxing Institute, Zhejiang University, Shaoxing, 321000, China.
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Velez-Brochero M, Behera P, Afreen KS, Odle A, Rajsbaum R. Ubiquitination in viral entry and replication: Mechanisms and implications. Adv Virus Res 2024; 119:1-38. [PMID: 38897707 DOI: 10.1016/bs.aivir.2024.05.001] [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] [Indexed: 06/21/2024]
Abstract
The ubiquitination process is a reversible posttranslational modification involved in many essential cellular functions, such as innate immunity, cell signaling, trafficking, protein stability, and protein degradation. Viruses can use the ubiquitin system to efficiently enter host cells, replicate and evade host immunity, ultimately enhancing viral pathogenesis. Emerging evidence indicates that enveloped viruses can carry free (unanchored) ubiquitin or covalently ubiquitinated viral structural proteins that can increase the efficiency of viral entry into host cells. Furthermore, viruses continuously evolve and adapt to take advantage of the host ubiquitin machinery, highlighting its importance during virus infection. This review discusses the battle between viruses and hosts, focusing on how viruses hijack the ubiquitination process at different steps of the replication cycle, with a specific emphasis on viral entry. We discuss how ubiquitination of viral proteins may affect tropism and explore emerging therapeutics strategies targeting the ubiquitin system for antiviral drug discovery.
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Affiliation(s)
- Maria Velez-Brochero
- Center for Virus-Host-Innate Immunity and Department of Medicine, Rutgers Biomedical and Health Sciences, Institute for Infectious and Inflammatory Diseases, Rutgers University, Newark, NJ, United States
| | - Padmanava Behera
- Center for Virus-Host-Innate Immunity and Department of Medicine, Rutgers Biomedical and Health Sciences, Institute for Infectious and Inflammatory Diseases, Rutgers University, Newark, NJ, United States
| | - Kazi Sabrina Afreen
- Center for Virus-Host-Innate Immunity and Department of Medicine, Rutgers Biomedical and Health Sciences, Institute for Infectious and Inflammatory Diseases, Rutgers University, Newark, NJ, United States
| | - Abby Odle
- Center for Virus-Host-Innate Immunity and Department of Medicine, Rutgers Biomedical and Health Sciences, Institute for Infectious and Inflammatory Diseases, Rutgers University, Newark, NJ, United States
| | - Ricardo Rajsbaum
- Center for Virus-Host-Innate Immunity and Department of Medicine, Rutgers Biomedical and Health Sciences, Institute for Infectious and Inflammatory Diseases, Rutgers University, Newark, NJ, United States.
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9
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Shen S, Yan R, Xie Z, Yu X, Liang H, You Q, Zhang H, Hou J, Zhang X, Liu Y, Sun J, Guo H. Tripartite Motif-Containing Protein 65 (TRIM65) Inhibits Hepatitis B Virus Transcription. Viruses 2024; 16:890. [PMID: 38932182 PMCID: PMC11209081 DOI: 10.3390/v16060890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Tripartite motif (TRIM) proteins, comprising a family of over 100 members with conserved motifs, exhibit diverse biological functions. Several TRIM proteins influence viral infections through direct antiviral mechanisms or by regulating host antiviral innate immune responses. To identify TRIM proteins modulating hepatitis B virus (HBV) replication, we assessed 45 human TRIMs in HBV-transfected HepG2 cells. Our study revealed that ectopic expression of 12 TRIM proteins significantly reduced HBV RNA and subsequent capsid-associated DNA levels. Notably, TRIM65 uniquely downregulated viral pregenomic (pg) RNA in an HBV-promoter-specific manner, suggesting a targeted antiviral effect. Mechanistically, TRIM65 inhibited HBV replication primarily at the transcriptional level via its E3 ubiquitin ligase activity and intact B-box domain. Though HNF4α emerged as a potential TRIM65 substrate, disrupting its binding site on the HBV genome did not completely abolish TRIM65's antiviral effect. In addition, neither HBx expression nor cellular MAVS signaling was essential to TRIM65-mediated regulation of HBV transcription. Furthermore, CRISPR-mediated knock-out of TRIM65 in the HepG2-NTCP cells boosted HBV infection, validating its endogenous role. These findings underscore TRIM proteins' capacity to inhibit HBV transcription and highlight TRIM65's pivotal role in this process.
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Affiliation(s)
- Sheng Shen
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
- Department of Microbiology and Molecular Genetics; Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; (X.Y.); (H.Z.); (Y.L.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Ran Yan
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Zhanglian Xie
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Xiaoyang Yu
- Department of Microbiology and Molecular Genetics; Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; (X.Y.); (H.Z.); (Y.L.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Hongyan Liang
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
| | - Qiuhong You
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
| | - Hu Zhang
- Department of Microbiology and Molecular Genetics; Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; (X.Y.); (H.Z.); (Y.L.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Jinlin Hou
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
| | - Xiaoyong Zhang
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
| | - Yuanjie Liu
- Department of Microbiology and Molecular Genetics; Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; (X.Y.); (H.Z.); (Y.L.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Jian Sun
- Department of Infectious Diseases, State Key Laboratory of Organ Failure Research, Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; (S.S.); (Z.X.); (H.L.); (Q.Y.); (J.H.); (X.Z.)
| | - Haitao Guo
- Department of Microbiology and Molecular Genetics; Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; (X.Y.); (H.Z.); (Y.L.)
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
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10
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Jin J, He J, Li X, Ni X, Jin X. The role of ubiquitination and deubiquitination in PI3K/AKT/mTOR pathway: A potential target for cancer therapy. Gene 2023; 889:147807. [PMID: 37722609 DOI: 10.1016/j.gene.2023.147807] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
The PI3K/AKT/mTOR pathway controls key cellular processes, including proliferation and tumor progression, and abnormally high activation of this pathway is a hallmark in human cancers. The post-translational modification, such as Ubiquitination and deubiquitination, fine-tuning the protein level and the activity of members in this pathway play a pivotal role in maintaining normal physiological process. Emerging evidence show that the unbalanced ubiquitination/deubiquitination modification leads to human diseases via PI3K/AKT/mTOR pathway. Therefore, a comprehensive understanding of the ubiquitination/deubiquitination regulation of PI3K/AKT/mTOR pathway may be helpful to uncover the underlying mechanism and improve the potential treatment of cancer via targeting this pathway. Herein, we summarize the latest research progress of ubiquitination and deubiquitination of PI3K/AKT/mTOR pathway, systematically discuss the associated crosstalk between them, as well as focus the clinical transformation via targeting ubiquitination process.
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Affiliation(s)
- Jiabei Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Jian He
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Xinming Li
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Xiaoqi Ni
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, Zhejiang 315211, China.
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11
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Du Y, Li T, Yi M. Is MG53 a potential therapeutic target for cancer? Front Endocrinol (Lausanne) 2023; 14:1295349. [PMID: 38033997 PMCID: PMC10684902 DOI: 10.3389/fendo.2023.1295349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 11/01/2023] [Indexed: 12/02/2023] Open
Abstract
Cancer treatment still encounters challenges, such as side effects and drug resistance. The tripartite-motif (TRIM) protein family is widely involved in regulation of the occurrence, development, and drug resistance of tumors. MG53, a member of the TRIM protein family, shows strong potential in cancer therapy, primarily due to its E3 ubiquitin ligase properties. The classic membrane repair function and anti-inflammatory capacity of MG53 may also be beneficial for cancer prevention and treatment. However, MG53 appears to be a key regulatory factor in impaired glucose metabolism and a negative regulatory mechanism in muscle regeneration that may have a negative effect on cancer treatment. Developing MG53 mutants that balance the pros and cons may be the key to solving the problem. This article aims to summarize the role and mechanism of MG53 in the occurrence, progression, and invasion of cancer, focusing on the potential impact of the biological function of MG53 on cancer therapy.
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Affiliation(s)
- Yunyu Du
- School of Sports Science, Beijing Sport University, Beijing, China
- National Institute of Sports Medicine, Beijing, China
| | - Tieying Li
- National Institute of Sports Medicine, Beijing, China
| | - Muqing Yi
- National Institute of Sports Medicine, Beijing, China
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12
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Park SH, Han J, Jeong BC, Song JH, Jang SH, Jeong H, Kim BH, Ko YG, Park ZY, Lee KE, Hyun J, Song HK. Structure and activation of the RING E3 ubiquitin ligase TRIM72 on the membrane. Nat Struct Mol Biol 2023; 30:1695-1706. [PMID: 37770719 PMCID: PMC10643145 DOI: 10.1038/s41594-023-01111-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/16/2023] [Indexed: 09/30/2023]
Abstract
Defects in plasma membrane repair can lead to muscle and heart diseases in humans. Tripartite motif-containing protein (TRIM)72 (mitsugumin 53; MG53) has been determined to rapidly nucleate vesicles at the site of membrane damage, but the underlying molecular mechanisms remain poorly understood. Here we present the structure of Mus musculus TRIM72, a complete model of a TRIM E3 ubiquitin ligase. We demonstrated that the interaction between TRIM72 and phosphatidylserine-enriched membranes is necessary for its oligomeric assembly and ubiquitination activity. Using cryogenic electron tomography and subtomogram averaging, we elucidated a higher-order model of TRIM72 assembly on the phospholipid bilayer. Combining structural and biochemical techniques, we developed a working molecular model of TRIM72, providing insights into the regulation of RING-type E3 ligases through the cooperation of multiple domains in higher-order assemblies. Our findings establish a fundamental basis for the study of TRIM E3 ligases and have therapeutic implications for diseases associated with membrane repair.
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Affiliation(s)
- Si Hoon Park
- Department of Life Sciences, Korea University, Seoul, South Korea
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Juhyun Han
- Department of Life Sciences, Korea University, Seoul, South Korea
| | - Byung-Cheon Jeong
- Department of Life Sciences, Korea University, Seoul, South Korea
- CSL Seqirus, Waltham, MA, USA
| | - Ju Han Song
- Department of Life Sciences, Korea University, Seoul, South Korea
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju, South Korea
| | - Se Hwan Jang
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, South Korea
| | - Hyeongseop Jeong
- Center for Electron Microscopy Research, Korea Basic Science Institute, Cheongju-si, South Korea
| | - Bong Heon Kim
- Department of Life Sciences, Korea University, Seoul, South Korea
| | - Young-Gyu Ko
- Department of Life Sciences, Korea University, Seoul, South Korea
| | - Zee-Yong Park
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, South Korea
| | - Kyung Eun Lee
- Advanced Analysis Center, Korea Institute of Science and Technology, Seoul, South Korea
| | - Jaekyung Hyun
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Hyun Kyu Song
- Department of Life Sciences, Korea University, Seoul, South Korea.
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13
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Sun N, Zhang J, Zhang C, Xie T, Zhang Z, Wang X, Li W, Zhang Y, Chen Z, Zheng J, Fang L, Wang G. Inhibition of human adenovirus replication by TRIM35-mediated degradation of E1A. J Virol 2023; 97:e0070023. [PMID: 37578239 PMCID: PMC10506487 DOI: 10.1128/jvi.00700-23] [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: 05/13/2023] [Accepted: 07/03/2023] [Indexed: 08/15/2023] Open
Abstract
Human adenovirus (HAdV) is ubiquitous in the human population, constituting a significant burden of global respiratory diseases. Children and individuals with low immunity are at risk of developing severe infections without approved antiviral treatment for HAdV. Our study demonstrated that TRIM35 inhibited HAdV-C5 early gene transcription, early protein expression, genome replication, and infectious virus progeny production. Furthermore, TRIM35 was found to inhibit HAdV replication by attenuating E1A expression. Mechanistically, TRIM35 interacts with and degrades E1A by promoting its K48-linked ubiquitination. Additionally, K253 and K285 are the key sites necessary for TRIM35 degradation. Moreover, an oncolytic adenovirus carrying shTRIM35 was constructed and observed to exhibit improved oncolysis in vivo, providing new ideas for clinical tumor treatment. Our results expand the broad antiviral activity of TRIM35 and mechanically support its application as a HAdV replication inhibitor. IMPORTANCE E1A is an essential human adenovirus (HAdV) protein responsible for the early replication of adenovirus while interacting with multiple host proteins. Understanding the interaction between HAdV E1A and TRIM35 helps identify effective antiviral therapeutic targets. The viral E1A protein is a crucial activator and regulator of viral transcription during the early infection stages. We first reported that TRIM35 interacts with E1A to resist adenovirus infection. Our study demonstrated that TRIM35 targets E1A to resist adenovirus, indicating the applicability of targeting virus-dependent host factors as a suitable antiviral strategy.
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Affiliation(s)
- Nan Sun
- Xuzhou Medical University, Xuzhou, China
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | | | - Chen Zhang
- Xuzhou Medical University, Xuzhou, China
| | - Tan Xie
- Xuzhou Medical University, Xuzhou, China
| | - Zeyu Zhang
- Xuzhou Medical University, Xuzhou, China
| | | | - Wanjing Li
- Xuzhou Medical University, Xuzhou, China
| | - Yi Zhang
- Xuzhou Medical University, Xuzhou, China
| | | | - Junnian Zheng
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Lin Fang
- Xuzhou Medical University, Xuzhou, China
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Gang Wang
- Xuzhou Medical University, Xuzhou, China
- Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou, China
- Center of Clinical Oncology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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14
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Yang C, Wang Z, Kang Y, Yi Q, Wang T, Bai Y, Liu Y. Stress granule homeostasis is modulated by TRIM21-mediated ubiquitination of G3BP1 and autophagy-dependent elimination of stress granules. Autophagy 2023; 19:1934-1951. [PMID: 36692217 PMCID: PMC10283440 DOI: 10.1080/15548627.2022.2164427] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/24/2022] [Accepted: 12/28/2022] [Indexed: 01/25/2023] Open
Abstract
Eukaryotic stress granules (SGs) are highly dynamic assemblies of untranslated mRNAs and proteins that form through liquid-liquid phase separation (LLPS) under cellular stress. SG formation and elimination process is a conserved cellular strategy to promote cell survival, although the precise regulation of this process is poorly understood. Here, we screened six E3 ubiquitin ligases present in SGs and identified TRIM21 (tripartite motif containing 21) as a central regulator of SG homeostasis that is highly enriched in SGs of cells under arsenite-induced oxidative stress. Knockdown of TRIM21 promotes SG formation whereas overexpression of TRIM21 inhibits the formation of physiological and pathological SGs associated with neurodegenerative diseases. TRIM21 catalyzes K63-linked ubiquitination of the SG core protein, G3BP1 (G3BP stress granule assembly factor 1), and G3BP1 ubiquitination can effectively inhibit LLPS, in vitro. Recent reports suggested the involvement of macroautophagy/autophagy, as a stress response pathway, in the regulation of SG homeostasis. We systematically investigated well-defined autophagy receptors and identified SQSTM1/p62 (sequestosome 1) and CALCOCO2/NDP52 (calcium binding and coiled-coil domain 2) as the primary receptors that directly interact with G3BP1 during arsenite-induced stress. Endogenous SQSTM1 and CALCOCO2 localize to the periphery of SGs under oxidative stress and mediate SG elimination, as single knockout of each receptor causes accumulation of physiological and pathological SGs. Collectively, our study broadens the understanding in the regulation of SG homeostasis by showing that TRIM21 and autophagy receptors modulate SG formation and elimination respectively, suggesting the possibility of clinical targeting of these molecules in therapeutic strategies for neurodegenerative diseases.Abbreviations: ACTB: actin beta; ALS: amyotrophic lateral sclerosis; BafA1: bafilomycin A1; BECN1: beclin 1; C9orf72: C9orf72-SMCR8 complex subunit; CALCOCO2/NDP52: calcium binding and coiled-coil domain 2; Co-IP: co-immunoprecipitation; DAPI: 4',6-diamidino-2-phenylindole; FTD: frontotemporal dementia; FUS: FUS RNA binding protein; G3BP1: G3BP stress granule assembly factor 1; GFP: green fluorescent protein; LLPS: liquid-liquid phase separation; MAP1LC3/LC3: microtubule associated protein 1 light chain 3; NBR1: NBR1 autophagy cargo receptor; NES: nuclear export signal; OPTN: optineurin; RFP: red fluorescent protein; SQSTM1/p62: sequestosome 1; SG: stress granule; TAX1BP1: Tax1 binding protein 1; TOLLIP: toll interacting protein; TRIM21: tripartite motif containing 21; TRIM56: tripartite motif containing 56; UB: ubiquitin; ULK1: unc-51 like autophagy activating kinase 1; WT: wild-type.
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Affiliation(s)
- Cuiwei Yang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhangshun Wang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Yingjin Kang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Qianqian Yi
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Tong Wang
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Yun Bai
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Yanfen Liu
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
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15
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Isbel L, Iskar M, Durdu S, Weiss J, Grand RS, Hietter-Pfeiffer E, Kozicka Z, Michael AK, Burger L, Thomä NH, Schübeler D. Readout of histone methylation by Trim24 locally restricts chromatin opening by p53. Nat Struct Mol Biol 2023:10.1038/s41594-023-01021-8. [PMID: 37386214 DOI: 10.1038/s41594-023-01021-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 05/15/2023] [Indexed: 07/01/2023]
Abstract
The genomic binding sites of the transcription factor (TF) and tumor suppressor p53 are unusually diverse with regard to their chromatin features, including histone modifications, raising the possibility that the local chromatin environment can contextualize p53 regulation. Here, we show that epigenetic characteristics of closed chromatin, such as DNA methylation, do not influence the binding of p53 across the genome. Instead, the ability of p53 to open chromatin and activate its target genes is locally restricted by its cofactor Trim24. Trim24 binds to both p53 and unmethylated histone 3 lysine 4 (H3K4), thereby preferentially localizing to those p53 sites that reside in closed chromatin, whereas it is deterred from accessible chromatin by H3K4 methylation. The presence of Trim24 increases cell viability upon stress and enables p53 to affect gene expression as a function of the local chromatin state. These findings link H3K4 methylation to p53 function and illustrate how specificity in chromatin can be achieved, not by TF-intrinsic sensitivity to histone modifications, but by employing chromatin-sensitive cofactors that locally modulate TF function.
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Affiliation(s)
- Luke Isbel
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia
| | - Murat Iskar
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Sevi Durdu
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Joscha Weiss
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Faculty of Sciences, University of Basel, Basel, Switzerland
| | - Ralph S Grand
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Zentrum für Molekulare Biologie der Universität Heidelberg, Heidelberg, Germany
| | - Eric Hietter-Pfeiffer
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Faculty of Sciences, University of Basel, Basel, Switzerland
| | - Zuzanna Kozicka
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Faculty of Sciences, University of Basel, Basel, Switzerland
| | - Alicia K Michael
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Biozentrum, University of Basel, Basel, Switzerland
| | - Lukas Burger
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
- Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Nicolas H Thomä
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland
| | - Dirk Schübeler
- Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland.
- Faculty of Sciences, University of Basel, Basel, Switzerland.
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16
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Zhu C, Chen W, Cui H, Huang Z, Ding R, Li N, Wang Q, Wu F, Zhao Y, Cong X. TRIM64 promotes ox-LDL-induced foam cell formation, pyroptosis, and inflammation in THP-1-derived macrophages by activating a feedback loop with NF-κB via IκBα ubiquitination. Cell Biol Toxicol 2023; 39:607-620. [PMID: 36229750 PMCID: PMC10406714 DOI: 10.1007/s10565-022-09768-4] [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: 02/13/2022] [Accepted: 08/26/2022] [Indexed: 11/30/2022]
Abstract
Atherosclerosis is a chronic inflammatory disease and the main pathology behind most cardiovascular diseases and the overactivation of macrophages initiates the development of atherosclerosis. However, the specific functions of oxidized low-density lipoprotein (ox-LDL) in macrophages remain elusive. Macrophages derived from monocyte (THP-1) were treated with ox-LDL and were used to generate atherosclerosis in an in vitro model. NLRP3 inflammasome markers were examined using quantitative RT-PCR and Western blotting. Cytokines were measured using ELISA. Chromatin immunoprecipitation (ChIP) was utilized to detect nuclear factor kappa B (NF-κB) and TRIM64 interactions. A fat-rich diet was applied to ApoE-/- mice for in vivo studies. ox-LDL promoted TRIM64 expression in a time-dependent manner. According to loss- and gain-of-function analyses, TRIM64 enhanced the activation of NLRP3 inflammasomes and the expression of downstream molecules. TRIM64 directly interacted with IκBα and promoted IκBα ubiquitination at K67 to activate NF-κB signaling. We detected direct binding between NF-κB and the TRIM64 promoter, as well as enhanced TRIM64 expression. Our study revealed an interaction between TRIM64 and NF-κB in the development of atherosclerosis. TRIM64 and NF-κB formed a positive feedback to activate NF-κB pathway. ox-LDL induces foam cell formation and TRIM64 expression TRIM64 regulates ox-LDL-induced foam cell formation, pyroptosis and inflammation via the NF-κB signaling TRIM64 activates NF-κB signaling by ubiquitination of IκBα NF-κB inhibition attenuates atherosclerosis in HFD-induced ApoE (-/-) mice.
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Affiliation(s)
- Chao Zhu
- Department of Nephrology, Changhai Hospital, Shanghai, 200433, China
| | - Wei Chen
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Haiming Cui
- Department of Cardiology, Yueyang Hospital, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai, 200437, China
| | - Zhigang Huang
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Ru Ding
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Na Li
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Qinqin Wang
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Feng Wu
- Department of Cardiology, Yueyang Hospital, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai, 200437, China.
| | - Yanmin Zhao
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China.
| | - Xiaoliang Cong
- Department of Cardiology, Shanghai Changzheng Hospital, 415 Fengyang Road, Huangpu District, Shanghai, 200003, China.
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17
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Lou X, Ma B, Zhuang Y, Xiao X, Minze LJ, Xing J, Zhang Z, Li XC. TRIM56 coiled-coil domain structure provides insights into its E3 ligase functions. Comput Struct Biotechnol J 2023; 21:2801-2808. [PMID: 37168870 PMCID: PMC10165346 DOI: 10.1016/j.csbj.2023.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/14/2023] [Accepted: 04/20/2023] [Indexed: 05/13/2023] Open
Abstract
Protein ubiquitination is a post-translation modification mediated by E3 ubiquitin ligases. The RING domain E3 ligases are the largest family of E3 ubiquitin ligases, they act as a scaffold, bringing the E2-ubiquitin complex and its substrate together to facilitate direct ubiquitin transfer. However, the quaternary structures of RING E3 ligases that perform ubiquitin transfer remain poorly understood. In this study, we solved the crystal structure of TRIM56, a member of the RING E3 ligase. The structure of the coiled-coil domain indicated that the two anti-parallel dimers bound together to form a tetramer at a small crossing angle. This tetramer structure allows two RING domains to exist on each side to form an active homodimer in supporting ubiquitin transfer from E2 to its nearby substrate recruited by the C-terminal domains on the same side. These findings suggest that the coiled-coil domain-mediated tetramer is a feasible scaffold for facilitating the recruitment and transfer of ubiquitin to accomplish E3 ligase activity.
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Affiliation(s)
- Xiaohua Lou
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Binbin Ma
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Yuan Zhuang
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Xiang Xiao
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Laurie J. Minze
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Junji Xing
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, USA
| | - Zhiqiang Zhang
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
- Department of Surgery, Weill Cornell Medical College of Cornell University, New York, USA
| | - Xian C. Li
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
- Department of Surgery, Weill Cornell Medical College of Cornell University, New York, USA
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18
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Song H, Xiao Q, Xu F, Wei Q, Wang F, Tan G. TRIM25 inhibits HBV replication by promoting HBx degradation and the RIG-I-mediated pgRNA recognition. Chin Med J (Engl) 2023; 136:799-806. [PMID: 36975005 PMCID: PMC10150869 DOI: 10.1097/cm9.0000000000002617] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND The hepatitis B virus (HBV) vaccine has been efficiently used for decades. However, hepatocellular carcinoma caused by HBV is still prevalent globally. We previously reported that interferon (IFN)-induced tripartite motif-containing 25 (TRIM25) inhibited HBV replication by increasing the IFN expression, and this study aimed to further clarify the anti-HBV mechanism of TRIM25. METHODS The TRIM25-mediated degradation of hepatitis B virus X (HBx) protein was determined by detecting the expression of HBx in TRIM25-overexpressed or knocked-out HepG2 or HepG2-NTCP cells via Western blotting. Co-immunoprecipitation was performed to confirm the interaction between TRIM25 and HBx, and colocalization of TRIM25 and HBx was identified via immunofluorescence; HBV e-antigen and HBV surface antigen were qualified by using an enzyme-linked immunosorbent assay (ELISA) kit from Kehua Biotech. TRIM25 mRNA, pregenomic RNA (pgRNA), and HBV DNA were detected by quantitative real-time polymerase chain reaction. The retinoic acid-inducible gene I (RIG-I) and pgRNA interaction was verified by RNA-binding protein immunoprecipitation assay. RESULTS We found that TRIM25 promoted HBx degradation, and confirmed that TRIM25 could enhance the K90-site ubiquitination of HBx as well as promote HBx degradation by the proteasome pathway. Interestingly, apart from the Really Interesting New Gene (RING) domain, the SPRY domain of TRIM25 was also indispensable for HBx degradation. In addition, we found that the expression of TRIM25 increased the recognition of HBV pgRNA by interacting with RIG-I, which further increased the IFN production, and SPRY, but not the RING domain is critical in this process. CONCLUSIONS The study found that TRIM25 interacted with HBx and promoted HBx-K90-site ubiquitination, which led to HBx degradation. On the other hand, TRIM25 may function as an adaptor, which enhanced the recognition of pgRNA by RIG-I, thereby further promoting IFN production. Our study can contribute to a better understanding of host-virus interaction.
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Affiliation(s)
- Hongxiao Song
- Department of Hepatology, Center for Pathogen Biology and Infectious Diseases, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Qingfei Xiao
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Fengchao Xu
- Department of Hepatology, Center for Pathogen Biology and Infectious Diseases, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Qi Wei
- Department of Anesthesiology, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Fei Wang
- Department of Hepatology, Center for Pathogen Biology and Infectious Diseases, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Guangyun Tan
- Department of Hepatology, Center for Pathogen Biology and Infectious Diseases, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin 130000, China
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19
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Ma Y, Ding L, Li Z, Zhou C. Structural basis for TRIM72 oligomerization during membrane damage repair. Nat Commun 2023; 14:1555. [PMID: 36944613 PMCID: PMC10030467 DOI: 10.1038/s41467-023-37198-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 03/06/2023] [Indexed: 03/23/2023] Open
Abstract
Tripartite Motif Protein 72 (TRIM72, also named MG53) mediates membrane damage repair through membrane fusion and exocytosis. During injury, TRIM72 molecules form intermolecular disulfide bonds in response to the oxidative environment and TRIM72 oligomers are proposed to connect vesicles to the plasma membrane and promote membrane fusion in conjunction with other partners like dysferlin and caveolin. However, the detailed mechanism of TRIM72 oligomerization and action remains unclear. Here we present the crystal structure of TRIM72 B-box-coiled-coil-SPRY domains (BCC-SPRY), revealing the molecular basis of TRIM72 oligomerization, which is closely linked to disulfide bond formation. Through structure-guided mutagenesis, we have identified and characterized key residues that are important for the membrane repair function of TRIM72. Our results also demonstrate that TRIM72 interacts with several kinds of negatively charged lipids in addition to phosphatidylserine. Our work provides a structural foundation for further mechanistic studies as well as the clinical application of TRIM72.
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Affiliation(s)
- Yuemin Ma
- School of Public Health, and Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
| | - Lei Ding
- School of Public Health, and Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China
| | - Zhenhai Li
- Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai University, Shanghai, 200072, China
| | - Chun Zhou
- School of Public Health, and Department of Pathology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310058, China.
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20
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Aizaz M, Kiani YS, Nisar M, Shan S, Paracha RZ, Yang G. Genomic Analysis, Evolution and Characterization of E3 Ubiquitin Protein Ligase (TRIM) Gene Family in Common Carp ( Cyprinus carpio). Genes (Basel) 2023; 14:genes14030667. [PMID: 36980939 PMCID: PMC10048487 DOI: 10.3390/genes14030667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 02/03/2023] [Accepted: 03/02/2023] [Indexed: 03/30/2023] Open
Abstract
Tripartite motifs (TRIM) is a large family of E3 ubiquitin ligases that play an important role in ubiquitylation. TRIM proteins regulate a wide range of biological processes from cellular response to viral infection and are implicated in various pathologies, from Mendelian disease to cancer. Although the TRIM family has been identified and characterized in tetrapods, but the knowledge about common carp and other teleost species is limited. The genes and proteins in the TRIM family of common carp were analyzed for evolutionary relationships, characterization, and functional annotation. Phylogenetic analysis was used to elucidate the evolutionary relationship of TRIM protein among teleost and higher vertebrate species. The results show that the TRIM orthologs of highly distant vertebrates have conserved sequences and domain architectures. The pairwise distance was calculated among teleost species of TRIMs, and the result exhibits very few mismatches at aligned position thus, indicating that the members are not distant from each other. Furthermore, TRIM family of common carp clustered into six groups on the basis of phylogenetic analysis. Additionally, the analysis revealed conserved motifs and functional domains in the subfamily members. The difference in functional domains and motifs is attributed to the evolution of these groups from different ancestors, thus validating the accuracy of clusters in the phylogenetic tree. However, the intron-exon organization is not precisely similar, which suggests duplication of genes and complex alternative splicing. The percentage of secondary structural elements is comparable for members of the same group, but the tertiary conformation is varied and dominated by coiled-coil segments required for catalytic activity. Gene ontology analysis revealed that these proteins are mainly associated with the catalytic activity of ubiquitination, immune system, zinc ion binding, positive regulation of transcription, ligase activity, and cell cycle regulation. Moreover, the biological pathway analyses identified four KEGG and 22 Reactome pathways. The predicted pathways correspond to functional domains, and gene ontology which proposes that proteins with similar structures might perform the same functions.
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Affiliation(s)
- Muhammad Aizaz
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250061, China
| | - Yusra Sajid Kiani
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Maryum Nisar
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250061, China
| | - Rehan Zafar Paracha
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250061, China
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21
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Cao L, Wang R, Liu G, Zhang Y, Thorne RF, Zhang XD, Li J, Xia Y, Guo L, Shao F, Gu H, Wu M. Glycolytic Pfkp acts as a Lin41 protein kinase to promote endodermal differentiation of embryonic stem cells. EMBO Rep 2023; 24:e55683. [PMID: 36660859 PMCID: PMC9986826 DOI: 10.15252/embr.202255683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 12/21/2022] [Accepted: 01/03/2023] [Indexed: 01/21/2023] Open
Abstract
Unveiling the principles governing embryonic stem cell (ESC) differentiation into specific lineages is critical for understanding embryonic development and for stem cell applications in regenerative medicine. Here, we establish an intersection between LIF-Stat3 signaling that is essential for maintaining murine (m) ESCs pluripotency, and the glycolytic enzyme, the platelet isoform of phosphofructokinase (Pfkp). In the pluripotent state, Stat3 transcriptionally suppresses Pfkp in mESCs while manipulating the cells to lift this repression results in differentiation towards the ectodermal lineage. Pfkp exhibits substrate specificity changes to act as a protein kinase, catalyzing serine phosphorylation of the developmental regulator Lin41. Such phosphorylation stabilizes Lin41 by impeding its autoubiquitination and proteasomal degradation, permitting Lin41-mediated binding and destabilization of mRNAs encoding ectodermal specification markers to favor the expression of endodermal specification genes. This provides new insights into the wiring of pluripotency-differentiation circuitry where Pfkp plays a role in germ layer specification during mESC differentiation.
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Affiliation(s)
- Leixi Cao
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Ruijie Wang
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Guangzhi Liu
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Yuwei Zhang
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Rick Francis Thorne
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
- School of Biomedical Sciences & PharmacyUniversity of NewcastleNewcastleNSWAustralia
| | - Xu Dong Zhang
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
- School of Environmental & Life SciencesUniversity of NewcastleNewcastleNSWAustralia
| | - Jinming Li
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Yang Xia
- Department of Immunology, School of Basic Medical SciencesAnhui Medical UniversityHefeiChina
| | - Lili Guo
- Department of Immunology, School of Basic Medical SciencesAnhui Medical UniversityHefeiChina
| | - Fengmin Shao
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
| | - Hao Gu
- Department of Immunology, School of Basic Medical SciencesAnhui Medical UniversityHefeiChina
| | - Mian Wu
- Translational Research Institute, Henan Provincial People's Hospital, Academy of Medical ScienceZhengzhou UniversityZhengzhouChina
- School of Clinical MedicineHenan UniversityZhengzhouChina
- CAS Centre for Excellence in Molecular Cell Sciencethe First Affiliated Hospital of University of Science and Technology of ChinaHefeiChina
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22
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Almeida ZL, Brito RMM. Amyloid Disassembly: What Can We Learn from Chaperones? Biomedicines 2022; 10:3276. [PMID: 36552032 PMCID: PMC9776232 DOI: 10.3390/biomedicines10123276] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/14/2022] [Accepted: 09/26/2022] [Indexed: 12/23/2022] Open
Abstract
Protein aggregation and subsequent accumulation of insoluble amyloid fibrils with cross-β structure is an intrinsic characteristic of amyloid diseases, i.e., amyloidoses. Amyloid formation involves a series of on-pathway and off-pathway protein aggregation events, leading to mature insoluble fibrils that eventually accumulate in multiple tissues. In this cascade of events, soluble oligomeric species are formed, which are among the most cytotoxic molecular entities along the amyloid cascade. The direct or indirect action of these amyloid soluble oligomers and amyloid protofibrils and fibrils in several tissues and organs lead to cell death in some cases and organ disfunction in general. There are dozens of different proteins and peptides causing multiple amyloid pathologies, chief among them Alzheimer's, Parkinson's, Huntington's, and several other neurodegenerative diseases. Amyloid fibril disassembly is among the disease-modifying therapeutic strategies being pursued to overcome amyloid pathologies. The clearance of preformed amyloids and consequently the arresting of the progression of organ deterioration may increase patient survival and quality of life. In this review, we compiled from the literature many examples of chemical and biochemical agents able to disaggregate preformed amyloids, which have been classified as molecular chaperones, chemical chaperones, and pharmacological chaperones. We focused on their mode of action, chemical structure, interactions with the fibrillar structures, morphology and toxicity of the disaggregation products, and the potential use of disaggregation agents as a treatment option in amyloidosis.
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Affiliation(s)
| | - Rui M. M. Brito
- Chemistry Department and Coimbra Chemistry Centre—Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
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23
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UBE2L3 Reduces TRIM21 Expression and IL-1β Secretion in Epidermal Keratinocytes and Improves Psoriasis-Like Skin. J Invest Dermatol 2022; 143:822-831.e4. [PMID: 36502938 DOI: 10.1016/j.jid.2022.10.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 12/13/2022]
Abstract
Proinflammatory cytokines, such as IL-1β, are important mediators of psoriasis. UBE2L3, an E2 enzyme, is thought to be an indirect target of IL-1β secretion by binding to ubiquitin ligases such as TRIM21. However, its role in psoriasis remains unknown. In this study, we found that UBE2L3 expression was decreased in psoriatic epidermis, whereas caspase 1 and IL-1β signaling were strongly activated. When normal human epidermal keratinocytes were stimulated with nigericin, adenosine triphosphate, and poly(dA:dT), downregulation of UBE2L3 and increased secretion of IL-1β were observed. Treatment with a caspase 1 inhibitor reversed the decrease in the level of UBE2L3. In addition, UBE2L3 overexpression reduced TRIM21, decreased signal transducer and activator of transcription 3 pathway activity, and reduced the level of the IL-1β precursor (pro‒IL-1β). Consistently, silencing UBE2L3 enhanced TRIM21 expression, signal transducer and activator of transcription 3 activation, and pro‒IL-1β production. Finally, in an imiquimod-induced mouse model, UBE2L3 reduction and caspase 1 activation were localized in the epidermis, whereas overexpression of UBE2L3 ameliorated psoriasis-like lesions and reduced pro‒IL-1β and mature IL-1β levels in the epidermis. Thus, UBE2L3 may be a protective biomarker that regulates IL-1β and inhibits TRIM21 in the epidermis of psoriasis.
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24
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Zhou M, Ouyang J, Zhang G, Zhu X. Prognostic value of tripartite motif (TRIM) family gene signature from bronchoalveolar lavage cells in idiopathic pulmonary fibrosis. BMC Pulm Med 2022; 22:467. [PMID: 36474231 PMCID: PMC9724366 DOI: 10.1186/s12890-022-02269-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Tripartite motif (TRIM) family genes get involved in the pathogenesis and development of various biological processes; however, the prognostic value of TRIM genes for idiopathic pulmonary fibrosis (IPF) needs to be explored. METHODS We acquired gene expression based on bronchoalveolar lavage (BAL) cells and clinical data of three independent IPF cohorts in the GSE70866 dataset from the Gene expression omnibus (GEO) database. Differentially expressed TRIM genes (DETGs) between IPF patients and healthy donors were identified and used to establish a risk signature by univariate and multivariate Cox regression analysis in the training cohort. The risk signature was further validated in other IPF cohorts, and compared with previously published signatures. Moreover, we performed functional enrichment analysis to explore the potential mechanisms. Eventually, the quantitative real time PCR was conducted to validate the expressions of the key genes in BAL from 12 IPF patients and 12 non-IPF controls from our institution. RESULTS We identified 4 DETGs including TRIM7, MEFV, TRIM45 and TRIM47 significantly associated with overall survival (OS) of IPF patients (P < 0.05). A multiple stepwise Cox regression analysis was performed to construct a 4-TRIM-gene prognostic signature. We categorized IPF patients into one low-risk group and the other high-risk group as per the average risk value of the TRIM prognostic signature in the training and validation cohorts. The IPF individuals in the low-risk group demonstrated an obvious OS advantage compared with the high-risk one (P < 0.01). The time-dependent receiver operating characteristic approach facilitated the verification of the predictive value of the TRIM prognostic signature in the training and validation cohorts, compared with other published signatures. A further investigation of immune cells and IPF survival displayed that higher proportion of resting memory CD4+ T cells and resting mast cells harbored OS advantage over lower proportion, however lower proportion of neutrophils, activated dendritic cells and activated NK cells indicated worse prognosis. CONCLUSION The TRIM family genes are significant for the prognosis of IPF and our signature could serve as a robust model to predict OS.
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Affiliation(s)
- Mi Zhou
- grid.452206.70000 0004 1758 417XDepartment of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jie Ouyang
- grid.452206.70000 0004 1758 417XDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, Chongqing, 400016 China
| | - Guoqing Zhang
- grid.452206.70000 0004 1758 417XDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, Chongqing, 400016 China
| | - Xin Zhu
- grid.452206.70000 0004 1758 417XDepartment of Urology, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, Chongqing, 400016 China
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25
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Basu-Shrivastava M, Mojsa B, Mora S, Robbins I, Bossis G, Lassot I, Desagher S. Trim39 regulates neuronal apoptosis by acting as a SUMO-targeted E3 ubiquitin-ligase for the transcription factor NFATc3. Cell Death Differ 2022; 29:2107-2122. [PMID: 35449213 PMCID: PMC9613758 DOI: 10.1038/s41418-022-01002-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 01/29/2023] Open
Abstract
NFATc3 is the predominant member of the NFAT family of transcription factors in neurons, where it plays a pro-apoptotic role. Mechanisms controlling NFAT protein stability are poorly understood. Here we identify Trim39 as an E3 ubiquitin-ligase of NFATc3. Indeed, Trim39 binds and ubiquitinates NFATc3 in vitro and in cells where it reduces NFATc3 protein level and transcriptional activity. In contrast, silencing of endogenous Trim39 decreases NFATc3 ubiquitination and increases its activity, thereby resulting in enhanced neuronal apoptosis. We also show that Trim17 inhibits Trim39-mediated ubiquitination of NFATc3 by reducing both the E3 ubiquitin-ligase activity of Trim39 and the NFATc3/Trim39 interaction. Moreover, we identify Trim39 as a new SUMO-targeted E3 ubiquitin-ligase (STUbL). Indeed, mutation of SUMOylation sites in NFATc3 or SUMO-interacting motifs in Trim39 reduces NFATc3/Trim39 interaction and Trim39-induced ubiquitination of NFATc3. In addition, Trim39 preferentially ubiquitinates SUMOylated forms of NFATc3 in vitro. As a consequence, a SUMOylation-deficient mutant of NFATc3 exhibits increased stability and pro-apoptotic activity in neurons. Taken together, these data indicate that Trim39 modulates neuronal apoptosis by acting as a STUbL for NFATc3.
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Affiliation(s)
- Meenakshi Basu-Shrivastava
- IGMM, Univ Montpellier, CNRS, Montpellier, France
- Massachusetts General Hospital Cancer Center and Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Barbara Mojsa
- IGMM, Univ Montpellier, CNRS, Montpellier, France
- Centre for Gene Regulation and Expression, School of Life Science, University of Dundee, Dundee, UK
| | - Stéphan Mora
- IGMM, Univ Montpellier, CNRS, Montpellier, France
| | - Ian Robbins
- IGMM, Univ Montpellier, CNRS, Montpellier, France
| | | | - Iréna Lassot
- IGMM, Univ Montpellier, CNRS, Montpellier, France
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26
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Lou X, Ma B, Zhuang Y, Xiao X, Minze LJ, Xing J, Zhang Z, Li XC. Structural studies of the coiled-coil domain of TRIM75 reveal a tetramer architecture facilitating its E3 ligase complex. Comput Struct Biotechnol J 2022; 20:4921-4929. [PMID: 36147661 PMCID: PMC9471973 DOI: 10.1016/j.csbj.2022.08.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/29/2022] Open
Abstract
Protein ubiquitination plays a vital role in controlling the degradation of intracellular proteins and in regulating cell signaling pathways. Functionally, E3 ubiquitin ligases control the transfer of ubiquitin to the target substrates. As a major family of ubiquitin E3 ligases, the structural assembly of RING E3 ligases required to exert their ubiquitin E3 ligase activity remains poorly defined. Here, we solved the crystal structure of the coiled-coil domain of TRIM75, a member of the RING E3 ligase family, which showed that two disulfide bonds stabilize two antiparallel dimers at a small crossing angle. This tetrameric conformation confers two close RING domains on the same side to form a dimer. Furthermore, this architecture allows the RING dimer to present ubiquitin to a substrate on the same side. Overall, this structure reveals a disulfide bond-mediated unique tetramer architecture and provides a tetrameric structural model through which E3 ligases exert their function.
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Affiliation(s)
- Xiaohua Lou
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Binbin Ma
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Yuan Zhuang
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Xiang Xiao
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Laurie J Minze
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Junji Xing
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA
| | - Zhiqiang Zhang
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA.,Department of Surgery, Weill Cornell Medical College of Cornell University, NY, USA
| | - Xian C Li
- Immunobiology and Transplant Science Center and Department of Surgery, Houston Methodist Research Institute, Houston, TX, USA.,Department of Surgery, Weill Cornell Medical College of Cornell University, NY, USA
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27
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Lu K, Pan Y, Huang Z, Liang H, Ding ZY, Zhang B. TRIM proteins in hepatocellular carcinoma. J Biomed Sci 2022; 29:69. [PMID: 36100865 PMCID: PMC9469581 DOI: 10.1186/s12929-022-00854-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 09/02/2022] [Indexed: 11/19/2022] Open
Abstract
The tripartite motif (TRIM) protein family is a highly conserved group of E3 ligases with 77 members known in the human, most of which consist of a RING-finger domain, one or two B-box domains, and a coiled-coil domain. Generally, TRIM proteins function as E3 ligases to facilitate specific proteasomal degradation of target proteins. In addition, E3 ligase independent functions of TRIM protein were also reported. In hepatocellular carcinoma, expressions of TRIM proteins are both regulated by genetic and epigenetic mechanisms. TRIM proteins regulate multiple biological activities and signaling cascades. And TRIM proteins influence hallmarks of HCC. This review systematically demonstrates the versatile roles of TRIM proteins in HCC and helps us better understand the molecular mechanism of the development and progression of HCC.
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Affiliation(s)
- Kan Lu
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China
| | - Yonglong Pan
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China
| | - Zhao Huang
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China.,Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, China.,Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Huifang Liang
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China
| | - Ze-Yang Ding
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China. .,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China. .,Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China. .,Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, China. .,Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China.
| | - Bixiang Zhang
- Hepatic Surgery Center, and Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China. .,Clinical Medical Research Center of Hepatic Surgery at Hubei Province, Wuhan, Hubei, China. .,Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China. .,Key Laboratory of Organ Transplantation, National Health Commission, Wuhan, China. .,Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China.
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Tong Q, Yi M, Kong P, Xu L, Huang W, Niu Y, Gan X, Zhan H, Tian R, Yan D. TRIM36 inhibits tumorigenesis through the Wnt/β-catenin pathway and promotes caspase-dependent apoptosis in hepatocellular carcinoma. Cancer Cell Int 2022; 22:278. [PMID: 36068629 PMCID: PMC9450375 DOI: 10.1186/s12935-022-02692-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 08/22/2022] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and has an extremely poor prognosis. We aimed to determine the latent relationships between TRIM36 regulation of apoptosis and the Wnt/β-catenin pathway in HCC. METHODS Immunohistochemistry and western blotting were used to characterize the aberrant expression of TRIM36 in HCC and adjacent tissues. Clinical information was analyzed using Kaplan-Meier and Cox methods. RNA-seq of potential targets was conducted to detect the regulation of TRIM36. Apoptosis assays and cellular proliferation, invasion and migration were conducted in a loss- and gain-of-function manner in cultured cells to determine the biological functions of TRIM36. A rescue experiment was conducted to confirm the role of Wnt/β-catenin signaling in TRIM36 regulation. Finally, in vivo experiments were conducted using cell line-derived xenografts in nude mice to validate the central role of TRIM36 in HCC. RESULTS TRIM36 expression was significantly downregulated in HCC tissues compared to adjacent non-tumor tissues. TRIM36 repressed the proliferation, migration, and invasion of Huh7 and HCCLM3 cells, whereas it stimulated apoptosis. Wnt/β-catenin signaling was inhibited by TRIM36, and rescue experiments highlighted its importance in HCC proliferation, migration, and invasion. In vivo experiments further confirmed the effects of sh-TRIM36 on HCC tumorigenesis, inhibition of apoptosis, and promotion of Wnt/β-catenin signaling. CONCLUSION Our study is the first to indicate that TRIM36 acts as a tumor suppressor in HCC. TRIM36 activates apoptosis and inhibits cellular proliferation, invasion, and migration via the Wnt/β-catenin pathway, which may serve as an important biomarker and promising therapeutic target for HCC.
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Affiliation(s)
- Qing Tong
- Department of Hepatopancreatobiliary Surgery, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi, 830011, Xinjiang, China
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Mingyu Yi
- The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Panpan Kong
- Department of Hepatopancreatobiliary Surgery, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi, 830011, Xinjiang, China
| | - Lin Xu
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, China
| | - Wukui Huang
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yue Niu
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Xiaojing Gan
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Huan Zhan
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Rui Tian
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Dong Yan
- Department of Hepatopancreatobiliary Surgery, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi, 830011, Xinjiang, China.
- The Third Affiliated, Teaching Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China.
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Cryo-EM structure of human MG53 homodimer. Biochem J 2022; 479:1909-1916. [PMID: 36053137 DOI: 10.1042/bcj20220385] [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: 07/20/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022]
Abstract
MG53 is a tripartite motif (TRIM) family E3 ligase and plays important biological functions. Here we present the cryo-EM structure of human MG53, showing that MG53 is a homodimer consisting of a "body" and two "wings". Intermolecular interactions are mainly distributed in the "body" which is relatively stable, while two "wings" are more dynamic. The overall architecture of MG53 is distinct from those of TRIM20 and TRIM25, illustrating the broad structural diversity of this protein family.
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Yao H, Xie W, Dai Y, Liu Y, Gu W, Li J, Wu L, Xie J, Rui W, Ren B, Xue L, Cheng Y, Lin S, Li C, Tang H, Wang Y, Lou M, Zhang X, Hu R, Shang H, Huang J, Wu ZB. TRIM65 determines the fate of a novel subtype of pituitary neuroendocrine tumors via ubiquitination and degradation of TPIT. Neuro Oncol 2022; 24:1286-1297. [PMID: 35218667 PMCID: PMC9340636 DOI: 10.1093/neuonc/noac053] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Pituitary neuroendocrine tumors (PitNETs) are common intracranial tumors that are classified into seven histological subtypes, including lactotroph, somatotroph, corticotroph, thyrotroph, gonadotroph, null cell, and plurihormonal PitNETs. However, the molecular characteristics of these types of PitNETs are not completely clear. METHODS A total of 180 consecutive cases of PitNETs were collected to perform RNA sequencing. All subtypes of PitNETs were distinguished by unsupervised clustering analysis. We investigated the regulation of TPIT by TRIM65 and its effects on ACTH production and secretion in ACTH-secreting pituitary cell lines, as well as in murine models using biochemical analyses, confocal microscopy, and luciferase reporter assays. RESULTS A novel subtype of PitNETs derived from TPIT lineage cells was identified as with normal TPIT transcription but with lowered protein expression. Furthermore, for the first time, TRIM65 was identified as the E3 ubiquitin ligase of TPIT. Depending on the RING domain, TRIM65 ubiquitinated and degraded the TPIT protein at multiple Lys sites. In addition, TRIM65-mediated ubiquitination of TPIT inhibited POMC transcription and ACTH production to determine the fate of the novel subtype of PitNETs in vitro and in vivo. CONCLUSION Our studies provided a novel classification of PitNETs and revealed that the TRIM65-TPIT complex controlled the fate of the novel subtype of PitNETs, which provides a potential therapy target for Cushing's disease.
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Affiliation(s)
- Hong Yao
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wanqun Xie
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuting Dai
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanting Liu
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiting Gu
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianfeng Li
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Liang Wu
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Xie
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weiwei Rui
- Department of Pathology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bohan Ren
- Department of Neurosurgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Li Xue
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yijun Cheng
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shaojian Lin
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Changsheng Li
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hao Tang
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yu Wang
- Department of Neurosurgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Meiqing Lou
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaobiao Zhang
- Department of Neurosurgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ronggui Hu
- State Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Innovation Center for Cell Signaling Network, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai,China
| | - Hanbing Shang
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinyan Huang
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhe Bao Wu
- Department of Neurosurgery, Center of Pituitary Tumor, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of Neurosurgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Zhu Y, Afolabi LO, Wan X, Shim JS, Chen L. TRIM family proteins: roles in proteostasis and neurodegenerative diseases. Open Biol 2022; 12:220098. [PMID: 35946309 PMCID: PMC9364147 DOI: 10.1098/rsob.220098] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 07/07/2022] [Indexed: 11/17/2022] Open
Abstract
Neurodegenerative diseases (NDs) are a diverse group of disorders characterized by the progressive degeneration of the structure and function of the central or peripheral nervous systems. One of the major features of NDs, such as Alzheimer's disease (AD), Parkinson's disease (PD) and Huntington's disease (HD), is the aggregation of specific misfolded proteins, which induces cellular dysfunction, neuronal death, loss of synaptic connections and eventually brain damage. By far, a great amount of evidence has suggested that TRIM family proteins play crucial roles in the turnover of normal regulatory and misfolded proteins. To maintain cellular protein quality control, cells rely on two major classes of proteostasis: molecular chaperones and the degradative systems, the latter includes the ubiquitin-proteasome system (UPS) and autophagy; and their dysfunction has been established to result in various physiological disorders including NDs. Emerging evidence has shown that TRIM proteins are key players in facilitating the clearance of misfolded protein aggregates associated with neurodegenerative disorders. Understanding the different pathways these TRIM proteins employ during episodes of neurodegenerative disorder represents a promising therapeutic target. In this review, we elucidated and summarized the diverse roles with underlying mechanisms of members of the TRIM family proteins in NDs.
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Affiliation(s)
- Yan Zhu
- Shenzhen Laboratory of Tumor Cell Biology, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100864, People's Republic of China
| | - Lukman O. Afolabi
- Shenzhen Laboratory of Tumor Cell Biology, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100864, People's Republic of China
| | - Xiaochun Wan
- Shenzhen Laboratory of Tumor Cell Biology, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100864, People's Republic of China
| | - Joong Sup Shim
- Cancer Centre, Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, Macau, People's Republic of China
| | - Liang Chen
- Shenzhen Laboratory of Tumor Cell Biology, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100864, People's Republic of China
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Tripartite motif 25 ameliorates doxorubicin-induced cardiotoxicity by degrading p85α. Cell Death Dis 2022; 13:643. [PMID: 35871160 PMCID: PMC9308790 DOI: 10.1038/s41419-022-05100-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 07/08/2022] [Accepted: 07/13/2022] [Indexed: 02/06/2023]
Abstract
Doxorubicin (DOX)-based chemotherapy is widely used to treat malignant tumors; however, the cardiotoxicity induced by DOX restricts its clinical usage. A therapeutic dose of DOX can activate ubiquitin-proteasome system. However, whether and how ubiquitin-proteasome system brings out DOX-induced cardiotoxicity remains to be investigated. Here we conducted a proteomics analysis of a DOX-induced cardiotoxicity model to screen the potentially ubiquitination-related molecules. Dysregulated TRIM25 was found to contribute to the cardiotoxicity. In vivo and in vitro cardiotoxicity experiments revealed that TRIM25 ameliorated DOX-induced cardiotoxicity. Electron microscopy and endoplasmic reticulum stress markers revealed that TRIM25 mitigated endoplasmic reticulum stress and apoptosis in DOX-induced cardiomyocytes. Mechanistically, the Co-immunoprecipitation assays and CHX pulse-chase experiment determined that TRIM25 affected p85α stability and promoted its ubiquitination and degradation. This leads to increase of nuclear translocation of XBP-1s, which mitigates endoplasmic reticulum stress. These findings reveal that TRIM25 may have a therapeutic role for DOX-induced cardiotoxicity.
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Zhang Y, Liu Q, Ning J, Jiang T, Kang A, Li L, Pang Y, Zhang B, Huang X, Wang Q, Bao L, Niu Y, Zhang R. The proteasome-dependent degradation of ALKBH5 regulates ECM deposition in PM 2.5 exposure-induced pulmonary fibrosis of mice. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128655. [PMID: 35334267 DOI: 10.1016/j.jhazmat.2022.128655] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Long-term inhalation of fine particulate matter (PM2.5) can cause serious effects on the respiratory system. It might be attributed to the fact that PM2.5 could directly enter and deposit in lung tissues. We established models of PM2.5 exposure in vivo and in vitro to explore the adverse effects of ambient PM2.5 on pulmonary and its potential pathogenic mechanisms. Our results showed that PM2.5 exposure promoted the deposition of ECM and the increased stiffness of the lungs, and then led to pulmonary fibrosis in time- and dose- dependent manners. Pulmonary function test showed restrictive ventilation function in mice after PM2.5 exposure. After PM2.5 exposure, ALKBH5 was recognized by TRIM11 and then degraded through the proteasome pathway. ALKBH5 deficiency (ALKBH5-/-) aggravated restrictive ventilatory disorder and promoted ECM deposition in lungs of mice induced by PM2.5. And the YAP1 signaling pathway was more activated in ALKBH5-/- than WT mice after PM2.5 exposure. In consequence, decreased ALKBH5 protein levels regulated miRNAs and then the miRNAs-targeted YAP1 signaling was activated to promote pulmonary fibrosis induced by PM2.5.
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Affiliation(s)
- Yaling Zhang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Qingping Liu
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Jie Ning
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Tao Jiang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Aijuan Kang
- Department of Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Lipeng Li
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China; Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang 050017, PR China
| | - Yaxian Pang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Boyuan Zhang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China; Science and Technology Office, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - XiaoYan Huang
- Department of Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Qian Wang
- Experimental Center, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Lei Bao
- Department of Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Yujie Niu
- Department of Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China; Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China
| | - Rong Zhang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China; Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang 050017, Hebei, PR China.
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Comprehensive analysis of expression profiles and prognosis of TRIM genes in human kidney clear cell carcinoma. Aging (Albany NY) 2022; 14:4606-4617. [PMID: 35617983 PMCID: PMC9186766 DOI: 10.18632/aging.204102] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 04/12/2022] [Indexed: 11/25/2022]
Abstract
Objective: To determine survival rates and the underlying mechanism of genes in the TRIM family in Kidney Clear Cell Carcinoma (KIRC). Methods: Transcriptional and survival data of TRIM genes in KIRC patients were retrieved from the UCSC Xena, and GEPIA databases. The function of TRIM genes in KIRC was investigated, focusing on potential ubiquitination, miRNAs regulation, and enrichment analysis. Next, TRIM gene survival values were determined, followed by the development of a survival-related signature. Results: Only TRIM26 was down expressed in the carcinoma tissue and had a survival value in KIRC relative to control tissues, which was supplied by vitro experiment. The patients with lower expression of TRIM26 would have the chance to live a shorter time. SNRPB, which also plays a role in ubiquitination, directly interacted with TRIM26. Moreover, two miRNAs (hsa-let-7i-5p, and hsa-miR-1228-5p) that regulated levels of TRIM26 expression were also identified. Next, we constructed a signature (TRIM4/7/27/58/65/72) and found that high-risk scores of the signature were associated with poor survival rates in KIRC patients. while its resultant risk scores were correlated with immune cell components and markers. Conclusions: TRIM26 was differentially expressed between KIRC and normal tissues and had a survival value in the KIRC. hsa-let-7i-5p/hsa-miR-1228-5p-TRIM26-SNRPB was a potential mechanism axis that may play a role on the KIRC cells. A survival signature (TRIM4/7/27/58/65/72) was successfully established to predict the survival of KIRC patients.
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Dissecting the Functional Role of the TRIM8 Protein on Cancer Pathogenesis. Cancers (Basel) 2022; 14:cancers14092309. [PMID: 35565438 PMCID: PMC9099786 DOI: 10.3390/cancers14092309] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The tripartite motif (TRIM) gene family is a large group of E3 ubiquitin ligase proteins that can also have proteasome-independent functions. This review summarizes the structural organization, the biological functions and the mechanisms involved in cancer pathogenesis of TRIM proteins. Furthermore, this paper focuses on TRIM8, a member of the TRIM family proteins, describing its role both as a tumor suppressor and as an oncogene. Abstract TRIM/RBCC are a large family of proteins that include more than 80 proteins, most of which act as E3 ligases and catalyze the direct transfer of Ubiquitin, SUMO and ISG15 on specific protein substrates. They are involved in oncogenesis processes and in cellular immunity. On this topic, we focus on TRIM8 and its multiple roles in tumor pathologies. TRIM8 inhibits breast cancer proliferation through the regulation of estrogen signaling. TRIM8 downregulation in glioma is involved in cell proliferation, and it is related to patients’ survival. Several studies suggested that TRIM8 regulates the p53 suppressor signaling pathway: it is involved in the NF-kB pathway (Nuclear Factor kappa light- chain-enhancer of activated B cells) and in STAT3 (Signal Transducer and Activator of Transcription 3) of the JAK-STAT pathway. In this review, we summarize how the association between these different pathways reflects a dual role of TRIM8 in cancer as an oncogene or a tumor suppressor gene.
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Bagga T, Tulsian NK, Mok YK, Kini RM, Sivaraman J. Mapping of molecular interactions between human E3 ligase TRIM69 and Dengue virus NS3 protease using hydrogen-deuterium exchange mass spectrometry. Cell Mol Life Sci 2022; 79:233. [PMID: 35397701 PMCID: PMC11072344 DOI: 10.1007/s00018-022-04245-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/04/2022] [Accepted: 03/10/2022] [Indexed: 11/03/2022]
Abstract
Tripartite motif (TRIM) E3 ligases target specific substrates, including viral proteins, for proteasomal degradation, and are thus essential regulators of the innate antiviral response. TRIM69 ubiquitinates the non-structural NS3 protein of Dengue virus for its degradation by the host machinery. This antiviral strategy abrogates the immunosuppression mediated by the NS2B-NS3 protease complex. To understand how this host-driven antiviral response against Dengue virus, we sought to define the mode of interaction between human TRIM69 and Dengue NS2B-NS3 and the subsequent polyubiquitination of the protease by the E3 ligase. We show that NS2B-NS3Δpro is sufficient as a substrate for ubiquitination by TRIM69 using ELISA and in vitro assays. Using hydrogen-deuterium exchange mass spectrometry (HDXMS), we mapped the interface of the interaction between TRIM69 and NS2B-NS3Δpro, and propose a rationale for the binding and subsequent ubiquitination process. Furthermore, through sequence analysis, we showed that the regions targeted by TRIM69 on the DENV-2 NS3 protease (NS3Δpro) are well conserved across DENV serotypes and other flaviviruses, including Zika virus, West Nile virus, and Japanese encephalitis virus. Our results show the direct interactions of TRIM69 with viral proteins, provide mechanistic insights at a molecular level, and highlight the functional relevance of TRIM69 interacting with the Dengue viral protein. Collectively, our findings suggest that TRIM69 may act as a pan-antiflaviviral restriction factor.
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Affiliation(s)
- Tanaya Bagga
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Nikhil Kumar Tulsian
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.
- Department of Biochemistry, National University of Singapore, 28 Medical Drive, Singapore, 117546, Singapore.
| | - Yu Keung Mok
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - R Manjunatha Kini
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 16 Medical Drive, Singapore, 117600, Singapore
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, 1101 E Marshall Street, Richmond, VA, 23298, USA
| | - J Sivaraman
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.
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Yu Z, Li H, Zhu J, Wang H, Jin X. The roles of E3 ligases in Hepatocellular carcinoma. Am J Cancer Res 2022; 12:1179-1214. [PMID: 35411231 PMCID: PMC8984888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/15/2022] [Indexed: 06/14/2023] Open
Abstract
Hepatocarcinogenesis is a complex multistep biological process involving genetic and epigenetic alterations that are accompanied by activation of oncoproteins and inactivation of tumor suppressors, which in turn results in Hepatocellular carcinoma (HCC), one of the common tumors with high morbidity and mortality worldwide. The ubiquitin-proteasome system (UPS) is the key to protein degradation and regulation of physiological and pathological processes, and E3 ligases are key enzymes in the UPS that contain a variety of subfamily proteins involved in the regulation of some common signal pathways in HCC. There is growing evidence that many structural or functional dysfunctions of E3 are engaged in the development and progression of HCC. Herein, we review recent research advances in HCC-associated E3 ligases, describe their structure, classification, functional roles, and discuss some mechanisms of the abnormal activation or inactivation of the HCC-associated signal pathway due to the binding of E3 to known substrates. In addition, given the success of proteasome inhibitors in the treatment of malignant cancers, we characterize the current knowledge and future prospects for targeted therapies against aberrant E3 in HCC.
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Affiliation(s)
- Zongdong Yu
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Hong Li
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Jie Zhu
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Haibiao Wang
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo UniversityNingbo 315211, Zhejiang, China
- Department of Hepatobiliary and Pancreatic Surgery, Ningbo Medical Center of Lihuili Hospital, Ningbo UniversityNingbo 315040, Zhejiang, China
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Li C, Zhou Y, Chen X, Zhang Y, Hu J, Ren C, Ding J, Jiang D, Li Y. Porcine TRIM35 positively regulate TRAF3-mediated IFN-β production and inhibit Japanese encephalitis virus replication. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2022; 127:104290. [PMID: 34626690 DOI: 10.1016/j.dci.2021.104290] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 06/13/2023]
Abstract
Tripartite motif 35 (TRIM35) protein is a ubiquitin E3 ligase that mediates interferon-beta (IFN-β) production via regulating ubiquitination of multiple adaptor proteins in innate immune signaling pathways. Here, we cloned the porcine TRIM35 (porTRIM35) gene and analyzed its involvement in IFN-β expression as well as the antiviral response against Japanese encephalitis virus (JEV). The full-length porTRIM35 gene encoded a 493-amino acid protein and exhibited 79.6%-89.5% sequence similarity with its orthologues in humans, mice, monkeys and rabbits. porTRIM35 possessed typical structural features of TRIMs, including a RING domain, a B-box domain, a coiled-coil domain and a PRY/SPYR domain. Exogenous overexpression of porTRIM35 significantly up-regulated the mRNA expression level of IFN-β in swine testicular (ST) cell in response to poly(I:C) stimulation, whereas knockdown endogenous expression of porTRIM35 lead to a decrease in the expression level of IFN-β. Mechanically, porTRIM35 directly interacted with porcine TNF-receptor associated factor 3 (TRAF3) and catalyzed its Lys63-linked polyubiquitination, thereby leading to the up-regulation of IFN-β production. Meanwhile, we demonstrated that the RING and PRY/SPRY domains were essential for the E3 ligase activity of porTRIM35. In response to JEV infection, the endogenous expression of porTRIM35 was markedly inhibited at the mRNA level, while exogenous expression of porTRIM35 significantly elevated the expression of IFN-β induced by JEV infection and reduced viral titers in ST cells, suggesting that porTRIM35 is a negative regulator for JEV replication. These data demonstrate the importance of porTRIM35 in IFN-β expression as well as the antiviral response against JEV replication.
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Affiliation(s)
- Chenxi Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China; State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences, Harbin, 150069, China
| | - Yanyang Zhou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China
| | - Xuan Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Yanbing Zhang
- College of Animal Science and Technology, Shihezi University, Shihezi, 832003, China
| | - Jingbo Hu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China
| | - Cicheng Ren
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China
| | - Jingjing Ding
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China
| | - Daoyuan Jiang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China
| | - Yanhua Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Comparative Medicine Research Institute, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, Jiangsu, China.
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Jian Y, Kong L, Xu H, Shi Y, Huang X, Zhong W, Huang S, Li Y, Shi D, Xiao Y, Yang M, Li S, Chen X, Ouyang Y, Hu Y, Chen X, Song L, Ye R, Wei W. Protein phosphatase 1 regulatory inhibitor subunit 14C promotes triple-negative breast cancer progression via sustaining inactive glycogen synthase kinase 3 beta. Clin Transl Med 2022; 12:e725. [PMID: 35090098 PMCID: PMC8797469 DOI: 10.1002/ctm2.725] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/28/2021] [Accepted: 01/17/2022] [Indexed: 11/21/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is fast-growing and highly metastatic with the poorest prognosis among the breast cancer subtypes. Inactivation of glycogen synthase kinase 3 beta (GSK3β) plays a vital role in the aggressiveness of TNBC; however, the underlying mechanism for sustained GSK3β inhibition remains largely unknown. Here, we find that protein phosphatase 1 regulatory inhibitor subunit 14C (PPP1R14C) is upregulated in TNBC and relevant to poor prognosis in patients. Overexpression of PPP1R14C facilitates cell proliferation and the aggressive phenotype of TNBC cells, whereas the depletion of PPP1R14C elicits opposite effects. Moreover, PPP1R14C is phosphorylated and activated by protein kinase C iota (PRKCI) at Thr73. p-PPP1R14C then represses Ser/Thr protein phosphatase type 1 (PP1) to retain GSK3β phosphorylation at high levels. Furthermore, p-PPP1R14C recruits E3 ligase, TRIM25, toward the ubiquitylation and degradation of non-phosphorylated GSK3β. Importantly, the blockade of PPP1R14C phosphorylation inhibits xenograft tumorigenesis and lung metastasis of TNBC cells. These findings provide a novel mechanism for sustained GSK3β inactivation in TNBC and suggest that PPP1R14C might be a potential therapeutic target.
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Affiliation(s)
- Yunting Jian
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
- Department of Pathology, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, Key Laboratory for Major Obstetric Diseases of Guangdong ProvinceThe Third Affiliated Hospital of Guangzhou Medical UniversityGuangzhouChina
| | - Lingzhi Kong
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Hongyi Xu
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
- Department of Breast SurgerySun Yat‐sen University Cancer CenterGuangzhouChina
| | - Yawei Shi
- Department of Thyroid and Breast SurgeryThe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouChina
| | - Xinjian Huang
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Wenjing Zhong
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
- Department of Breast SurgerySun Yat‐sen University Cancer CenterGuangzhouChina
| | - Shumei Huang
- Department of Biochemistry, Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouChina
| | - Yue Li
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Dongni Shi
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Yunyun Xiao
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Muwen Yang
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Siqi Li
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
- Department of Breast SurgerySun Yat‐sen University Cancer CenterGuangzhouChina
| | - Xiangfu Chen
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Ying Ouyang
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Yameng Hu
- Department of Biochemistry, Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouChina
| | - Xin Chen
- Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences; Guangzhou Institute of OncologyTumor Hospital, Guangzhou Medical UniversityGuangzhouChina
| | - Libing Song
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
| | - Runyi Ye
- Department of Thyroid and Breast SurgeryThe First Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouChina
| | - Weidong Wei
- Department of Experimental Research, Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangzhouChina
- Department of Breast SurgerySun Yat‐sen University Cancer CenterGuangzhouChina
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Roy M, Singh K, Shinde A, Singh J, Mane M, Bedekar S, Tailor Y, Gohel D, Vasiyani H, Currim F, Singh R. TNF-α-induced E3 ligase, TRIM15 inhibits TNF-α-regulated NF-κB pathway by promoting turnover of K63 linked ubiquitination of TAK1. Cell Signal 2021; 91:110210. [PMID: 34871740 DOI: 10.1016/j.cellsig.2021.110210] [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: 04/19/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 01/22/2023]
Abstract
Ubiquitin E3-ligases are recruited at different steps of TNF-α-induced NF-κB activation; however, their role in temporal regulation of the pathway remains elusive. The study systematically identified TRIMs as potential feedback regulators of the TNF-α-induced NF-κB pathway. We further observed that TRIM15 is "late" response TNF-α-induced gene and inhibits the TNF-α-induced NF-κB pathway in several human cell lines. TRIM15 promotes turnover of K63-linked ubiquitin chains in a PRY/SPRY domain-dependent manner. TRIM15 interacts with TAK1 and inhibits its K63-linked ubiquitination, thus NF-κB activity. Further, TRIM15 interacts with TRIM8 and inhibits cytosolic translocation to antagonize TRIM8 modualted NF-κB. TRIM8 and TRIM15 also show functionally inverse correlation in psoriasis condition. In conclusion, TRIM15 is TNF-α-induced late response gene and inhibits TNF-α induced NF-κB pathway hence a feedback modulator to keep the proinflammatory NF-κB pathway under control.
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Affiliation(s)
- Milton Roy
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Kritarth Singh
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Anjali Shinde
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Jyoti Singh
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Minal Mane
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Sawani Bedekar
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Yamini Tailor
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Dhruv Gohel
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Hitesh Vasiyani
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Fatema Currim
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India
| | - Rajesh Singh
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat 390002, India.
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41
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TRIM proteins in fibrosis. Biomed Pharmacother 2021; 144:112340. [PMID: 34678729 DOI: 10.1016/j.biopha.2021.112340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 02/06/2023] Open
Abstract
Fibrosis is an outcome of tissue repair after different types of injuries. The homeostasis of extracellular matrix is broken, and excessive deposition occurs, affecting the normal function of tissues and organs, which could become prostrated in serious cases.Finding a suitable target to regulate the repair process and reduce the damage caused by fibrosis is a hot research topic at present. The TRIM family is number of one of the E3 ubiquitin ligase subfamilies and participates in various biological processes including intracellular signal transduction, apoptosis, autophagy, and immunity by regulating the ubiquitination of target proteins. For the past few years, the important role of TRIM in the occurrence and development of fibrosis has been gradually revealed. In this review, we focus on the recent emerging topics on TRIM proteins in the regulation of fibrosis, fibrosis-related cytokines and pathways.
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42
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Offermann A, Kang D, Watermann C, Weingart A, Hupe MC, Saraji A, Stegmann-Frehse J, Kruper R, Schüle R, Pantel K, Taubert H, Duensing S, Culig Z, Aigner A, Klapper W, Jonigk D, Philipp Kühnel M, Merseburger AS, Kirfel J, Sailer V, Perner S. Manuscript Title: Analysis of tripartite motif (TRIM) family gene expression in prostate cancer bone metastases. Carcinogenesis 2021; 42:1475-1484. [PMID: 34487169 DOI: 10.1093/carcin/bgab083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/29/2021] [Accepted: 09/04/2021] [Indexed: 12/27/2022] Open
Abstract
Tripartite motif (TRIM) family proteins are post-translational protein modifiers with E3-ubiquitin ligase activity, thereby involved in various biological processes. The molecular mechanisms driving prostate cancer (PCa) bone metastasis (BM) are incompletely understood, and targetable genetic alterations are lacking in the majority of cases. Therefore, we aimed to explore the expression and potential functional relevance of 71 TRIM members in bone metastatic PCa. We performed transcriptome analysis of all human TRIM family members and 770 cancer-related genes in 29 localized PCa and 30 PCa BM using Nanostring. KEGG, STRING and Ubibrowser were used for further bioinformatic gene correlation and pathway enrichment analyses. Compared to localized tumors, six TRIMs are under-expressed while nine TRIMs are over-expressed in BM. The differentially expressed TRIM proteins are linked to TNF-, TGFβ-, PI3K/AKT- and HIF-1-signaling, and to features such as proteoglycans, platelet activation, adhesion and ECM-interaction based on correlation to cancer-related genes. The identification of TRIM-specific E3-ligase-substrates revealed insight into functional connections to oncogenes, tumor suppressors and cancer-related pathways including androgen receptor- and TGFβ signaling, cell cycle regulation and splicing. In summary, this is the first study that comprehensively and systematically characterizes the expression of all TRIM members in PCa BM. Our results describe post-translational protein modification as an important regulatory mechanism of oncogenes, tumor suppressors, and pathway molecules in PCa progression. Therefore, this study may provide evidence for novel therapeutic targets, in particular for the treatment or prevention of BM.
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Affiliation(s)
- Anne Offermann
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Duan Kang
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Christian Watermann
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Anika Weingart
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Marie C Hupe
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Alireza Saraji
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Janine Stegmann-Frehse
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | | | - Roland Schüle
- Klinik für Urologie und Zentrale Klinische Forschung, Klinikum der Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
| | - Klaus Pantel
- Institute for Tumor Biology, University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Helge Taubert
- Department of Urology and Paediatric Urology, Universitätsklinikum Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Stefan Duensing
- Molecular Urooncology, Department of Urology, University Hospital Heidelberg, Heidelberg, Germany
| | - Zoran Culig
- Experimental Urology, Department of Urology, Medical University of Innsbruck, Innsbruck, Austria
| | - Achim Aigner
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, Faculty of Medicine, University of Leipzig, Germany
| | - Wolfram Klapper
- Institute of Pathology, Hematopathology Section and Lymph Node Registry, Universitätsklinikum Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Danny Jonigk
- Institute of Pathology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), German Center for Lung Research, Hannover, Germany
| | - Mark Philipp Kühnel
- Institute of Pathology, Hannover Medical School, Hannover, Germany.,Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), German Center for Lung Research, Hannover, Germany
| | - Axel S Merseburger
- Department of Urology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Jutta Kirfel
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Verena Sailer
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Sven Perner
- Institute of Pathology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany.,Research Center Borstel, Leibniz Lung Center, Borstel, Germany
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Roy M, Singh R. TRIMs: selective recruitment at different steps of the NF-κB pathway-determinant of activation or resolution of inflammation. Cell Mol Life Sci 2021; 78:6069-6086. [PMID: 34283248 PMCID: PMC11072854 DOI: 10.1007/s00018-021-03900-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/04/2021] [Accepted: 07/13/2021] [Indexed: 12/25/2022]
Abstract
TNF-α-induced NF-κB pathway is an essential component of innate and adaptive immune pathway, and it is tightly regulated by various post-translational modifications including ubiquitination. Oscillations in NF-κB activation and temporal gene expression are emerging as critical determinants of inflammatory response, however, the regulators of unique outcomes in different patho-physiological conditions are not well understood. Tripartite Motif-containing proteins (TRIMs) are RING domain-containing E3 ligases involved in the regulation of cellular homeostasis, metabolism, cell death, inflammation, and host defence. Emerging reports suggest that TRIMs are recruited at different steps of TNF-α-induced NF-κB pathway and modulate via their E3 ligase activity. TRIMs show synergy and antagonism in the regulation of the NF-κB pathway and also regulate it in a feedback manner. TRIMs also regulate pattern recognition receptors (PRRs) mediated inflammatory pathways and may have evolved to directly regulate a specific arm of immune signalling. The review emphasizes TRIM-mediated ubiquitination and modulation of TNF-α-regulated temporal and NF-κB signaling and its possible impact on unique transcriptional and functional outcomes.
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Affiliation(s)
- Milton Roy
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat, 390002, India
- Institute for Cell Engineering, The Johns Hopkins University School of Medicine, 733 North Broadway, MRB 731, Baltimore, MD, 21205, USA
| | - Rajesh Singh
- Department of Biochemistry, Faculty of Science, The MS University of Baroda, Vadodara, Gujarat, 390002, India.
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Does it take two to tango? RING domain self-association and activity in TRIM E3 ubiquitin ligases. Biochem Soc Trans 2021; 48:2615-2624. [PMID: 33170204 PMCID: PMC7752041 DOI: 10.1042/bst20200383] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 12/17/2022]
Abstract
TRIM proteins form a protein family that is characterized by a conserved tripartite motif domain comprising a RING domain, one or two B-box domains and a coiled-coil region. Members of this large protein family are important regulators of numerous cellular functions including innate immune responses, transcriptional regulation and apoptosis. Key to their cellular role is their E3 ligase activity which is conferred by the RING domain. Self-association is an important characteristic of TRIM protein activity and is mediated by homodimerization via the coiled-coil region, and in some cases higher order association via additional domains of the tripartite motif. In many of the TRIM family proteins studied thus far, RING dimerization is an important prerequisite for E3 ligase enzymatic activity though the propensity of RING domains to dimerize differs significantly between different TRIMs and can be influenced by other regions of the protein.
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D'Amico F, Mukhopadhyay R, Ovaa H, Mulder MPC. Targeting TRIM Proteins: A Quest towards Drugging an Emerging Protein Class. Chembiochem 2021; 22:2011-2031. [PMID: 33482040 PMCID: PMC8251876 DOI: 10.1002/cbic.202000787] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/22/2021] [Indexed: 02/06/2023]
Abstract
The ubiquitylation machinery regulates several fundamental biological processes from protein homeostasis to a wide variety of cellular signaling pathways. As a consequence, its dysregulation is linked to diseases including cancer, neurodegeneration, and autoimmunity. With this review, we aim to highlight the therapeutic potential of targeting E3 ligases, with a special focus on an emerging class of RING ligases, named tri-partite motif (TRIM) proteins, whose role as targets for drug development is currently gaining pharmaceutical attention. TRIM proteins exert their catalytic activity as scaffolds involved in many protein-protein interactions, whose multidomains and adapter-like nature make their druggability very challenging. Herein, we give an overview of the current understanding of this class of single polypeptide RING E3 ligases and discuss potential targeting options.
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Affiliation(s)
- Francesca D'Amico
- Oncode Institute and Department of Cell and Chemical BiologyLeiden University Medical Center (LUMC)Einthovenweg 202333ZCLeidenThe Netherlands
| | - Rishov Mukhopadhyay
- Oncode Institute and Department of Cell and Chemical BiologyLeiden University Medical Center (LUMC)Einthovenweg 202333ZCLeidenThe Netherlands
| | - Huib Ovaa
- Oncode Institute and Department of Cell and Chemical BiologyLeiden University Medical Center (LUMC)Einthovenweg 202333ZCLeidenThe Netherlands
| | - Monique P. C. Mulder
- Oncode Institute and Department of Cell and Chemical BiologyLeiden University Medical Center (LUMC)Einthovenweg 202333ZCLeidenThe Netherlands
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Timmerman DM, Remmers TL, Hillenius S, Looijenga LHJ. Mechanisms of TP53 Pathway Inactivation in Embryonic and Somatic Cells-Relevance for Understanding (Germ Cell) Tumorigenesis. Int J Mol Sci 2021; 22:ijms22105377. [PMID: 34065345 PMCID: PMC8161298 DOI: 10.3390/ijms22105377] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/14/2021] [Accepted: 05/15/2021] [Indexed: 01/10/2023] Open
Abstract
The P53 pathway is the most important cellular pathway to maintain genomic and cellular integrity, both in embryonic and non-embryonic cells. Stress signals induce its activation, initiating autophagy or cell cycle arrest to enable DNA repair. The persistence of these signals causes either senescence or apoptosis. Over 50% of all solid tumors harbor mutations in TP53 that inactivate the pathway. The remaining cancers are suggested to harbor mutations in genes that regulate the P53 pathway such as its inhibitors Mouse Double Minute 2 and 4 (MDM2 and MDM4, respectively). Many reviews have already been dedicated to P53, MDM2, and MDM4, while this review additionally focuses on the other factors that can deregulate P53 signaling. We discuss that P14ARF (ARF) functions as a negative regulator of MDM2, explaining the frequent loss of ARF detected in cancers. The long non-coding RNA Antisense Non-coding RNA in the INK4 Locus (ANRIL) is encoded on the same locus as ARF, inhibiting ARF expression, thus contributing to the process of tumorigenesis. Mutations in tripartite motif (TRIM) proteins deregulate P53 signaling through their ubiquitin ligase activity. Several microRNAs (miRNAs) inactivate the P53 pathway through inhibition of translation. CCCTC-binding factor (CTCF) maintains an open chromatin structure at the TP53 locus, explaining its inactivation of CTCF during tumorigenesis. P21, a downstream effector of P53, has been found to be deregulated in different tumor types. This review provides a comprehensive overview of these factors that are known to deregulate the P53 pathway in both somatic and embryonic cells, as well as their malignant counterparts (i.e., somatic and germ cell tumors). It provides insights into which aspects still need to be unraveled to grasp their contribution to tumorigenesis, putatively leading to novel targets for effective cancer therapies.
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Basu-Shrivastava M, Kozoriz A, Desagher S, Lassot I. To Ubiquitinate or Not to Ubiquitinate: TRIM17 in Cell Life and Death. Cells 2021; 10:1235. [PMID: 34069831 PMCID: PMC8157266 DOI: 10.3390/cells10051235] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 12/17/2022] Open
Abstract
TRIM17 is a member of the TRIM family, a large class of RING-containing E3 ubiquitin-ligases. It is expressed at low levels in adult tissues, except in testis and in some brain regions. However, it can be highly induced in stress conditions which makes it a putative stress sensor required for the triggering of key cellular responses. As most TRIM members, TRIM17 can act as an E3 ubiquitin-ligase and promote the degradation by the proteasome of substrates such as the antiapoptotic protein MCL1. Intriguingly, TRIM17 can also prevent the ubiquitination of other proteins and stabilize them, by binding to other TRIM proteins and inhibiting their E3 ubiquitin-ligase activity. This duality of action confers several pivotal roles to TRIM17 in crucial cellular processes such as apoptosis, autophagy or cell division, but also in pathological conditions as diverse as Parkinson's disease or cancer. Here, in addition to recent data that endorse this duality, we review what is currently known from public databases and the literature about TRIM17 gene regulation and expression, TRIM17 protein structure and interactions, as well as its involvement in cell physiology and human disorders.
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Affiliation(s)
| | - Alina Kozoriz
- Institut de Génétique Moléculaire de Montpellier, University Montpellier, CNRS, Montpellier, France
| | - Solange Desagher
- Institut de Génétique Moléculaire de Montpellier, University Montpellier, CNRS, Montpellier, France
| | - Iréna Lassot
- Institut de Génétique Moléculaire de Montpellier, University Montpellier, CNRS, Montpellier, France
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48
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Zhao C, Peng C, Wang P, Yan L, Fan S, Qiu L. Identification of a Shrimp E3 Ubiquitin Ligase TRIM50-Like Involved in Restricting White Spot Syndrome Virus Proliferation by Its Mediated Autophagy and Ubiquitination. Front Immunol 2021; 12:682562. [PMID: 34046043 PMCID: PMC8144704 DOI: 10.3389/fimmu.2021.682562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 04/26/2021] [Indexed: 12/03/2022] Open
Abstract
Most tripartite motif (TRIM) family proteins are critical components of the autophagy machinery and play important roles in host defense against viral pathogens in mammals. However, the roles of TRIM proteins in autophagy and viral infection have not been studied in lower invertebrates, especially crustaceans. In this study, we first identified a TRIM50-like gene from Penaeus monodon (designated PmTRIM50-like), which, after a white spot syndrome virus (WSSV) challenge, was significantly upregulated at the mRNA and protein levels in the intestine and hemocytes. Knockdown of PmTRIM50-like led to an increase in the WSSV quantity in shrimp, while its overexpression led to a decrease compared with the controls. Autophagy can be induced by WSSV or rapamycin challenge and has been shown to play a positive role in restricting WSSV replication in P. monodon. The mRNA and protein expression levels of PmTRIM50-like significantly increased with the enhancement of rapamycin-induced autophagy. The autophagy activity induced by WSSV or rapamycin challenge could be inhibited by silencing PmTRIM50-like in shrimp. Further studies showed that rapamycin failed to induce autophagy or inhibit WSSV replication after knockdown of PmTRIM50-like. Moreover, pull-down and in vitro ubiquitination assays demonstrated that PmTRIM50-like could interact with WSSV envelope proteins and target them for ubiquitination in vitro. Collectively, this study demonstrated that PmTRIM50-like is required for autophagy and is involved in restricting the proliferation of WSSV through its ubiquitination. This is the first study to report the role of a TRIM family protein in virus infection and host autophagy in crustaceans.
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Affiliation(s)
- Chao Zhao
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.,Sanya Tropical Fisheries Research Institute, Sanya, China
| | - Chao Peng
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Pengfei Wang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.,Sanya Tropical Fisheries Research Institute, Sanya, China
| | - Lulu Yan
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.,Sanya Tropical Fisheries Research Institute, Sanya, China
| | - Sigang Fan
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.,Sanya Tropical Fisheries Research Institute, Sanya, China
| | - Lihua Qiu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.,Sanya Tropical Fisheries Research Institute, Sanya, China.,Key Laboratory of Aquatic Genomics, Ministry of Agriculture and Rural Affairs, Chinese Academy of Fishery Science, Beijing, China
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49
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TRIM21 inhibits porcine epidemic diarrhea virus proliferation by proteasomal degradation of the nucleocapsid protein. Arch Virol 2021; 166:1903-1911. [PMID: 33900472 PMCID: PMC8074351 DOI: 10.1007/s00705-021-05080-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/15/2021] [Indexed: 01/09/2023]
Abstract
Tripartite motif protein 21 (TRIM21) is an E3 ubiquitin ligase and cytosolic antibody receptor of the TRIM family. Previous reports have indicated that TRIM21 plays an important role during viral infection. This study aimed at examining the role of TRIM21 in the replication of porcine epidemic diarrhea virus (PEDV) and showed that TRIM21 inhibits PEDV proliferation by targeting and degrading the nucleocapsid (N) protein through the proteasomal pathway. Furthermore, the endogenous expression of TRIM21 was found to be downregulated by PEDV infection in Vero and LLC-PK1 cells. Overexpression of TRIM21 inhibited PEDV replication, whereas knockdown of TRIM21 increased viral titers and N protein levels. TRIM21 was found to interact and colocalize with the N protein, and the TRIM21-mediated antiviral effect was dependent on its ubiquitin ligase activity, which engages in polyubiquitination and degradation of the N protein in a proteasome-dependent manner. Taken together, these findings provide information about the role of TRIM21 in PEDV proliferation and increase our understanding of host-virus interactions.
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50
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Shen Z, Wei L, Yu ZB, Yao ZY, Cheng J, Wang YT, Song XT, Li M. The Roles of TRIMs in Antiviral Innate Immune Signaling. Front Cell Infect Microbiol 2021; 11:628275. [PMID: 33791238 PMCID: PMC8005608 DOI: 10.3389/fcimb.2021.628275] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/02/2021] [Indexed: 01/06/2023] Open
Abstract
The Tripartite motif (TRIM) protein family, which contains over 80 members in human sapiens, is the largest subfamily of the RING-type E3 ubiquitin ligase family. It is implicated in regulating various cellular functions, including cell cycle process, autophagy, and immune response. The dysfunction of TRIMs may lead to numerous diseases, such as systemic lupus erythematosus (SLE). Lots of studies in recent years have demonstrated that many TRIM proteins exert antiviral roles. TRIM proteins could affect viral replication by regulating the signaling pathways of antiviral innate immune responses. Besides, TRIM proteins can directly target viral components, which can lead to the degradation or functional inhibition of viral protein through degradative or non-degradative mechanisms and consequently interrupt the viral lifecycle. However, new evidence suggests that some viruses may manipulate TRIM proteins for their replication. Here, we summarize the latest discoveries on the interactions between TRIM protein and virus, especially TRIM proteins’ role in the signaling pathway of antiviral innate immune response and the direct “game” between them.
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Affiliation(s)
- Zhou Shen
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Center Laboratory, Affiliated Hospital of Hebei University, Baoding, China
| | - Lin Wei
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Zhi-Bo Yu
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Zhi-Yan Yao
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Jing Cheng
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Yu-Tong Wang
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Xiao-Tian Song
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
| | - Miao Li
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Department of Immunology, Hebei Medical University, Shijiazhuang, China
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