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Zhou Y, Li H, Zhang Y, Zhao E, Huang C, Pan X, Shu F, Liu Z, Tang N, Li F, Liao W. Deubiquitinase USP4 suppresses antitumor immunity by inhibiting IRF3 activation and tumor cell-intrinsic interferon response in colorectal cancer. Cancer Lett 2024; 589:216836. [PMID: 38556105 DOI: 10.1016/j.canlet.2024.216836] [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: 01/07/2024] [Revised: 03/15/2024] [Accepted: 03/22/2024] [Indexed: 04/02/2024]
Abstract
Despite the approval of immune checkpoint blockade (ICB) therapy for various tumor types, its effectiveness is limited to only approximately 15% of patients with microsatellite instability-high (MSI-H) or mismatch repair deficiency (dMMR) colorectal cancer (CRC). Approximately 80%-85% of CRC patients have a microsatellite stability (MSS) phenotype, which features a rare T-cell infiltration. Thus, elucidating the mechanisms underlying resistance to ICB in patients with MSS CRC is imperative. In this study, we demonstrate that ubiquitin-specific peptidase 4 (USP4) is upregulated in MSS CRC tumors and negatively regulates the immune response against tumors in CRC. Additionally, USP4 represses the cellular interferon (IFN) response and antigen presentation and impairs PRR signaling-mediated cell death. Mechanistically, USP4 impedes the nuclear localization of interferon regulator Factor 3 (IRF3) by deubiquitinating the K63-polyubiquitin chain of TRAF6 and IRF3. Knockdown of USP4 enhances the infiltration of T cells in CRC tumors and overcomes ICB resistance in an MC38 syngeneic mouse model. Moreover, published datasets revealed that patients showing higher USP4 expression exhibited decreased responsiveness to anti-PD-L1 therapy. These findings highlight an essential role of USP4 in the suppression of antitumor immunity in CRC.
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Affiliation(s)
- Yi Zhou
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Huali Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Yaxin Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Enen Zhao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Chengmei Huang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Xingyan Pan
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Feng Shu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Zhihao Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China
| | - Na Tang
- Department of Pathology, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China.
| | - Fengtian Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China; School of Biosciences and Technology, Chengdu Medical College, Chengdu, 610500, Sichuan, China.
| | - Wenting Liao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, PR China.
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Zhang R, Li Y, Li X, Ni A, Gao Y, Zong Y, Sun Y, Yuan J, Chen J, Ma H. Pigeon novel-miR-741 targets OTUD1 to inhibit proliferation and promote apoptosis of crop fibroblasts. Poult Sci 2024; 103:103587. [PMID: 38479099 PMCID: PMC11067753 DOI: 10.1016/j.psj.2024.103587] [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: 12/12/2023] [Revised: 02/19/2024] [Accepted: 02/21/2024] [Indexed: 05/01/2024] Open
Abstract
Trichomonas gallinae (T. gallinae) is a globally distributed protozoan parasite and could cause serious damage to the pigeon industry. MiRNAs have important roles in regulating parasite infection, but its impacts on T. gallinae resistance have rarely been reported. In the present study, we identified a new miRNA (novel-miR-741) and its predicted target OTU deubiquitinase 1 (OTUD1) that might be associated with immunity to T. gallinae in pigeon. Novel-miR-741 and OTUD1 over-expression vectors and interference vectors were constructed. Results from dual luciferase activity assay demonstrated that OTUD1 was a downstream target of novel-miR-741. The Cell Counting Kit-8 and apoptosis assays showed that novel-miR-741 inhibited the proliferation and promoted apoptosis of pigeon crop fibroblasts. Meanwhile, mRNA levels of OTUD1 were significantly reduced in novel-miR-741 mimic-transfected fibroblasts, while mRNA levels of OTUD1 were significantly increased in the novel-miR-741 inhibitor-transfected fibroblasts. The regulatory roles of si-OTUD1 on fibroblasts proliferation, apoptosis, and migration were similar to novel-miR-741 mimic. Our findings demonstrated that novel-miR-741 inhibited the proliferation, and migration of crop fibroblasts, while OTUD1 promoted the proliferation and migration of crop fibroblasts. Therefore, the regulation of OTUD1 by novel-miR-741 was proposed as a potential therapeutic strategy for T. gallinae.
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Affiliation(s)
- Ran Zhang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yunlei Li
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xinyi Li
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Aixin Ni
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yuxin Gao
- College of Animal Science, Shanxi Agricultural University, Taigu 030800, China
| | - Yunhe Zong
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yanyan Sun
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jingwei Yuan
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jilan Chen
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Hui Ma
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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Ren J, Yu P, Liu S, Li R, Niu X, Chen Y, Zhang Z, Zhou F, Zhang L. Deubiquitylating Enzymes in Cancer and Immunity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303807. [PMID: 37888853 PMCID: PMC10754134 DOI: 10.1002/advs.202303807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 08/30/2023] [Indexed: 10/28/2023]
Abstract
Deubiquitylating enzymes (DUBs) maintain relative homeostasis of the cellular ubiquitome by removing the post-translational modification ubiquitin moiety from substrates. Numerous DUBs have been demonstrated specificity for cleaving a certain type of ubiquitin linkage or positions within ubiquitin chains. Moreover, several DUBs perform functions through specific protein-protein interactions in a catalytically independent manner, which further expands the versatility and complexity of DUBs' functions. Dysregulation of DUBs disrupts the dynamic equilibrium of ubiquitome and causes various diseases, especially cancer and immune disorders. This review summarizes the Janus-faced roles of DUBs in cancer including proteasomal degradation, DNA repair, apoptosis, and tumor metastasis, as well as in immunity involving innate immune receptor signaling and inflammatory and autoimmune disorders. The prospects and challenges for the clinical development of DUB inhibitors are further discussed. The review provides a comprehensive understanding of the multi-faced roles of DUBs in cancer and immunity.
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Affiliation(s)
- Jiang Ren
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Peng Yu
- Zhongshan Institute for Drug DiscoveryShanghai Institute of Materia MedicaChinese Academy of SciencesZhongshanGuangdongP. R. China
| | - Sijia Liu
- International Biomed‐X Research CenterSecond Affiliated Hospital of Zhejiang University School of MedicineZhejiang UniversityHangzhouP. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang ProvinceHangzhou310058China
| | - Ran Li
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Xin Niu
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Yan Chen
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Zhenyu Zhang
- Department of NeurosurgeryThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan450003P. R. China
| | - Fangfang Zhou
- Institutes of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
| | - Long Zhang
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
- International Biomed‐X Research CenterSecond Affiliated Hospital of Zhejiang University School of MedicineZhejiang UniversityHangzhouP. R. China
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
- Cancer CenterZhejiang UniversityHangzhouZhejiang310058P. R. China
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Zheng S, Li Y, Song X, Wu M, Yu L, Huang G, Liu T, Zhang L, Shang M, Zhu Q, Gao C, Chen L, Liu H. OTUD1 ameliorates cerebral ischemic injury through inhibiting inflammation by disrupting K63-linked deubiquitination of RIP2. J Neuroinflammation 2023; 20:281. [PMID: 38012669 PMCID: PMC10680203 DOI: 10.1186/s12974-023-02968-7] [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: 06/19/2023] [Accepted: 11/22/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Inflammatory response triggered by innate immunity plays a pivotal element in the progress of ischemic stroke. Receptor-interacting kinase 2 (RIP2) is implicated in maintaining immunity homeostasis and regulating inflammatory response. However, the underlying mechanism of RIP2 in ischemic stroke is still not well understood. Hence, the study investigated the role and the ubiquitination regulatory mechanism of RIP2 in ischemic stroke. METHODS Focal cerebral ischemia was introduced by middle cerebral artery occlusion (MCAO) in wild-type (WT) and OTUD1-deficient (OTUD1-/-) mice, oxygen glucose deprivation and reoxygenation (OGD/R) models in BV2 cells and primary cultured astrocytes were performed for monitoring of experimental stroke. GSK2983559 (GSK559), a RIP2 inhibitor was intraventricularly administered 30 min before MCAO. Mice brain tissues were collected for TTC staining and histopathology. Protein expression of RIP2, OTUD1, p-NF-κB-p65 and IκBα was determined by western blot. Localization of RIP2 and OTUD1 was examined by immunofluorescence. The change of IL-1β, IL-6 and TNF-α was detected by ELISA assay and quantitative real-time polymerase chain reaction. Immunoprecipitation and confocal microscopy were used to study the interaction of RIP2 and OTUD1. The activity of NF-κB was examined by dual-luciferase assay. RESULTS Our results showed upregulated protein levels of RIP2 and OTUD1 in microglia and astrocytes in mice subjected to focal cerebral ischemia. Inhibition of RIP2 by GSK559 ameliorated the cerebral ischemic outcome by repressing the NF-κB activity and the inflammatory response. Mechanistically, OTUD1 interacted with RIP2 and sequentially removed the K63-linked polyubiquitin chains of RIP2, thereby inhibiting NF-κB activation. Furthermore, OTUD1 deficiency exacerbated cerebral ischemic injury in response to inflammation induced by RIP2 ubiquitination. CONCLUSIONS These findings suggested that RIP2 mediated cerebral ischemic lesion via stimulating inflammatory response, and OTUD1 ameliorated brain injury after ischemia through inhibiting RIP2-induced NF-κB activation by specifically cleaving K63-linked ubiquitination of RIP2.
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Affiliation(s)
- Shengnan Zheng
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Yiquan Li
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Xiaomeng Song
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Mengting Wu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Lu Yu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Gan Huang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Tengfei Liu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Lei Zhang
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Mingmei Shang
- Rheumatology Unit, Department of Medicine, Solna, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
| | - Qingfen Zhu
- Shandong Institute for Food and Drug Control, Jinan, Shandong, 250012, People's Republic of China
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China
| | - Lin Chen
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China.
| | - Huiqing Liu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, People's Republic of China.
- Department of Rehabilitation Medicine, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, People's Republic of China.
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Wang J, Zheng H, Dong C, Xiong S. Human OTUD6B positively regulates type I IFN antiviral innate immune responses by deubiquitinating and stabilizing IRF3. mBio 2023; 14:e0033223. [PMID: 37650650 PMCID: PMC10653906 DOI: 10.1128/mbio.00332-23] [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: 05/17/2023] [Accepted: 06/12/2023] [Indexed: 09/01/2023] Open
Abstract
IMPORTANCE Interferon (IFN) regulatory factor (IRF3) is one of the key factors for type I IFN transcription. To sophisticatedly regulate type I IFN antiviral immune response, IRF3 activity is closely controlled by a variety of post-translational modifications. However, the regulatory mechanisms are still not fully elucidated. In the present study, we found that human deubiquitinase OTUD6B positively regulates IRF3-mediated antiviral immune response. OTUD6B can stabilize the IRF3 protein level via hydrolyzing (Lys33)-linked polyubiquitin at Lys315. More importantly, mice with OTUD6B overexpression exhibited more resistance to RNA virus infection. Thus, unlike the previous report that zebrafish OTUD6B negatively regulates the antiviral response by suppressing K63-linked ubiquitination of IRF3 and IRF7, we demonstrate that human OTUD6B actually enhances type I IFN response and has the potential for antiviral therapy.
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Affiliation(s)
- Jian Wang
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Hui Zheng
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Chunsheng Dong
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Sidong Xiong
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou, Jiangsu, China
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Song J, Zhang Y, Bai Y, Sun X, Lu Y, Guo Y, He Y, Gao M, Chi X, Heng BC, Zhang X, Li W, Xu M, Wei Y, You F, Zhang X, Lu D, Deng X. The Deubiquitinase OTUD1 Suppresses Secretory Neutrophil Polarization And Ameliorates Immunopathology of Periodontitis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303207. [PMID: 37639212 PMCID: PMC10602526 DOI: 10.1002/advs.202303207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/12/2023] [Indexed: 08/29/2023]
Abstract
Tissue-infiltrating neutrophils (TINs) secrete various signaling molecules to establish paracrine communication within the inflammatory milieu. It is imperative to identify molecular mediators that control this secretory phenotype of TINs. The present study uncovers a secretory neutrophil subset that exhibits increased pro-inflammatory cytokine production and enhanced migratory capacity which is highly related with periodontal pathogenesis. Further analysis identifies the OTU domain-containing protein 1 (OTUD1) plays a regulatory role in this secretory neutrophil polarization. In human and mouse periodontitis, the waning of inflammation is correlated with OTUD1 upregulation, whereas severe periodontitis is induced when neutrophil-intrinsic OTUD1 is depleted. Mechanistically, OTUD1 interacts with SEC23B, a component of the coat protein II complex (COPII). By removing the K63-linked polyubiquitin chains on SEC23B Lysine 81, the deubiquitinase OTUD1 negatively regulates the COPII secretory machinery and limits protein ER-to-Golgi trafficking, thus restricting the surface expression of integrin-regulated proteins, CD9 and CD47. Accordingly, blockade of protein transport by Brefeldin A (BFA) curbs recruitment of Otud1-deficient TINs and attenuates inflammation-induced alveolar bone destruction. The results thus identify OTUD1 signaling as a negative feedback loop that limits the polarization of neutrophils with secretory phenotype and highlight the potential application of BFA in the treatment of periodontal inflammation.
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Affiliation(s)
- Jia Song
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- Department of Dental Materials & Dental Medical Devices Testing CenterPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Yuning Zhang
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Yunyang Bai
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Xiaowen Sun
- Department of Dental Materials & Dental Medical Devices Testing CenterPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Yanhui Lu
- Department of Dental Materials & Dental Medical Devices Testing CenterPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Yusi Guo
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Ying He
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Min Gao
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Xiaopei Chi
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Boon Chin Heng
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
- Central LaboratoryPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Xin Zhang
- Institute of Systems BiomedicineSchool of Basic Medical SciencesNHC Key Laboratory of Medical ImmunologyBeijing Key Laboratory of Tumor Systems BiologyPeking University Health Science CenterBeijing100191P. R. China
| | - Wenjing Li
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Mingming Xu
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Yan Wei
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Fuping You
- Institute of Systems BiomedicineSchool of Basic Medical SciencesNHC Key Laboratory of Medical ImmunologyBeijing Key Laboratory of Tumor Systems BiologyPeking University Health Science CenterBeijing100191P. R. China
| | - Xuehui Zhang
- Department of Dental Materials & Dental Medical Devices Testing CenterPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
- Peking University‐Yunnan Baiyao International Medical Research CenterBeijing100191P. R. China
| | - Dan Lu
- Institute of Systems BiomedicineSchool of Basic Medical SciencesNHC Key Laboratory of Medical ImmunologyBeijing Key Laboratory of Tumor Systems BiologyPeking University Health Science CenterBeijing100191P. R. China
| | - Xuliang Deng
- Department of Geriatric DentistryPeking University School and Hospital of StomatologyBeijing100081P. R. China
- National Center for Stomatology National Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical Devices NMPAKey Laboratory for Dental Materials Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
- Peking University‐Yunnan Baiyao International Medical Research CenterBeijing100191P. R. China
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Han Z, Jia Q, Zhang J, Chen M, Wang L, Tong K, He W, Zhang Y, Zhu W, Qin J, Wang T, Liu T, Ma Y, Chen Y, Zha S, Zhang C. Deubiquitylase YOD1 regulates CDK1 stability and drives triple-negative breast cancer tumorigenesis. J Exp Clin Cancer Res 2023; 42:228. [PMID: 37667382 PMCID: PMC10478497 DOI: 10.1186/s13046-023-02781-3] [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: 04/24/2023] [Accepted: 07/25/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND Accumulating evidence has demonstrated that aberrant expression of deubiquitinating enzymes is associated with the initiation and progression of Triple-negative breast cancer (TNBC). The publicly available TCGA database of breast cancer data was used to analyze the OTUD deubiquitinating family members that were correlated with survival of breast cancer and ovarian tumor domain-containing 2 (OTUD-2), or YOD1 was identified. The aim of present study was to assess YOD1 expression and function in human TNBC and then explored the underlying molecular events. METHODS We detected the expression of YOD1 in 32 TNBC and 44 NTNBC samples by qRT-PCR, Western blot and immunohistochemistry. Manipulation of YOD1 expression was assessed in vitro and in vivo for TNBC cell proliferation, migration, invasion, cell-cycle and drug resistance, using colony formation assay, transwell assay, CCK8 assay, TUNEL assay, flow cytometric analysis and xenograft tumor assay. Next, proteomic analysis, Western blot, proximity ligation assay, Immunoprecipitation, and Immunofluorescence were conducted to assess downstream targets. RESULTS It was found that YOD1 was significantly upregulated in TNBC tissues compared with non-triple-negative breast cancer (NTNBC), which was positively correlated with poor survival in TNBC patients. Knockdown of YOD1 effectively inhibited TNBC cell migration, proliferation, cell cycle and resistance to cisplatin and paclitaxel. Mechanistically, YOD1 promoted TNBC progression in a manner dependent on its catalytic activity through binding with CDK1, leading to de-polyubiquitylation of CDK1 and upregulation of CDK1 expression. In addition, YOD1 overexpression was found to be correlated with CDK1 overexpression in human TNBC specimens. Finally, in vivo study demonstrated that YOD1 knockdown or YOD1 inhibitor could inhibit CDK1 expression and suppress the growth and metastasis of TNBC tumors. CONCLUSION Our study highlights that YOD1 functions as an oncogene in TNBC via binding to CDK1 and mediated its stability and oncogenic activity. Interfering with YOD1 expression or YOD1 inhibitor could suppress TNBC cells in vitro and in vivo, suggesting that YOD1 may prove to be a promising therapeutic target for TNBC.
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Affiliation(s)
- Zhitao Han
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qi Jia
- Department of Orthopaedic Oncology, Shanghai Changzheng Hospital, The Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Jing Zhang
- Department of Orthopaedic Oncology, Shanghai Changzheng Hospital, The Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Miaomiao Chen
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Lining Wang
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Kai Tong
- Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Weiwei He
- Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yajie Zhang
- Central Laboratory, Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Department of Biobank, Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Weina Zhu
- Central Laboratory, Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Department of Biobank, Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Ju Qin
- Central Laboratory, Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Tao Wang
- Department of Orthopedics, Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Tielong Liu
- Department of Orthopaedic Oncology, Shanghai Changzheng Hospital, The Second Affiliated Hospital of Naval Medical University, Shanghai, China
| | - Yong Ma
- School of Chinese Medicine, School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.
| | - Yuanming Chen
- Department of Orthopedics, Second Affiliated Hospital of Guangxi Medical University, 166 East Daxue Road, Nanning, 530000, Guangxi, China.
| | - Siluo Zha
- Department of General Surgery, Shanghai Changzheng Hospital, The Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, China.
| | - Chunlei Zhang
- Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, 157 Daming Road, Nanjing, 210023, China.
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8
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Liu Q, Mallette E, Zheng H, Zhang W. Development of an OTUD1 ubiquitin variant inhibitor. Biochem J 2023; 480:1317-1330. [PMID: 37589489 DOI: 10.1042/bcj20230119] [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: 04/11/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 08/18/2023]
Abstract
OTUD1 (Ovarian tumor domain-containing deubiquitinase 1) is a member of the OTU domain-containing deubiquitinase family of enzymes involved in immunoregulation and tumorigenesis pathways. OTUD1 consists of three distinct regions: an unstructured N-terminal region, an OTU-fold catalytic domain, and a ubiquitin-interacting motif (UIM) containing region. Enhanced enzymatic activity and a strong preference for K63-linked substrates are imparted by the UIM containing region. We used phage display with a ubiquitin variant (UbV) library to identify binders for OTUD1 lacking the unstructured N-terminal region (OTUD1OTU + UIM) in an attempt to identify inhibitors bridging the catalytic domain and the UIM containing region. Two UbVs were identified (UbVOD.1 and UbVOD.2) with high affinity and specificity for OTUD1. Of the UbVs identified, UbVOD.1 inhibited OTUD1 activity towards mono-Ub and K63-linked di-Ub substrates in vitro with single-digit nanomolar IC50 and potently inhibited deubiquitinase activity with poly-Ub chains of other linkages. In vivo expression of UbVOD.1 alone was unstable, however as a di-UbV, global deubiquitination and deubiquitinase activity with the OTUD1 substrate RIPK1 were inhibited. Herein we describe the development of molecular tools for exploring the activity of OTUD1 in a cellular context, towards protein-based therapeutics.
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Affiliation(s)
- Qi Liu
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, Guelph N1G 2W1, Canada
| | - Evan Mallette
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, Guelph N1G 2W1, Canada
| | - Hui Zheng
- International Institute of Infection and Immunity, Institutes of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, Jiangsu 215123, China
| | - Wei Zhang
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, Guelph N1G 2W1, Canada
- CIFAR Azrieli Global Scholars Program, Canadian Institute for Advanced Research, Toronto, ON M5G 1M1, Canada
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9
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Hu Z, Jiang Z, Yang Z, Liu L, Zhu Z, Jin Y, Yin Y. Development of a modularized aptamer targeting the nuclear T-cell suppressor PAC1. Analyst 2023; 148:2616-2625. [PMID: 37191022 DOI: 10.1039/d3an00011g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Aptamers associated with cancer targeting therapy are commonly focused on cell membrane proteins; however, the study of intracellular, particularly, nuclear proteins is limited. The nuclear phosphatase PAC1 has been reported to be a potential T cell-related immunotherapeutic target. Here, we identified an aptamer, designated as PA5, with high affinity and specificity for PAC1 through the systematic evolution of ligands by exponential enrichment (SELEX) procedure. We then developed a dual-module aptamer PAC1-AS consisting of a cell-internalizing module and a targeting module, which can recognize PAC1 in the nucleus under physiological conditions. This modularized aptamer raises the possibility of manipulating endosomes and provides insights into the exploration and development of an efficient cancer immunotherapy approach.
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Affiliation(s)
- Zixi Hu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Zhongyu Jiang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Zeliang Yang
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Liang Liu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Zhenyu Zhu
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Yan Jin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
| | - Yuxin Yin
- Institute of Systems Biomedicine, Department of Pathology, School of Basic Medical Sciences, Peking-Tsinghua Center for Life Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing 100191, China.
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10
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Song J, Zhang X, Yin Y, Guo M, Zhao X, Wang L, Ren C, Yin Y, Zhang X, Deng X, Lu D. Loss of RPA1 Impairs Peripheral T Cell Homeostasis and Exacerbates Inflammatory Damage through Triggering T Cell Necroptosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206344. [PMID: 36721037 PMCID: PMC10104672 DOI: 10.1002/advs.202206344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/29/2022] [Indexed: 06/18/2023]
Abstract
The peripheral T cell pool is maintained at dynamic homeostasis through fine-tuning of thymic output and self-renewal of naïve T cells. Lymphopenia or reduced lymphocyte number is implicated in autoimmune diseases, yet little is known about the homeostatic mechanisms. Here, it is reported that the replication protein A1 (RPA1) plays a critical role in T cell homeostasis. Utilizing T cell-specific Rpa1-deficient (Rpa1fl/fl Cd4-cre) mice, loss of Rpa1 results in lymphopenia through restraining peripheral T cell population and limiting TCR repertoire diversity. Moreover, Rpa1fl/fl Cd4-cre mice exhibit increased susceptibility to inflammatory diseases, including colitis and hepatitis. Clinical analysis reveals that the expression of RPA1 is reduced in patients with ulcerative colitis or other autoinflammatory diseases. Mechanistically, depletion of RPA1 activates ZBP1-RIPK3 signaling through triggering the genomic DNA leakage into cytosol, consequently resulting in T cell necroptosis. This necroptotic T cell death induced by RPA1 deficiency allows the release of damage-associated molecular patterns (DAMPs), which in turn recruits leukocytes and exacerbates inflammatory response. Reciprocally, chemical or genetic inhibition of necroptosis signaling can ameliorate the Rpa1 deficiency-induced inflammatory damage. The studies thus uncover the importance of RPA1-ZBP1-RIPK3 axis in T cell homeostasis and provide a promising strategy for autoinflammatory disease treatment.
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Affiliation(s)
- Jia Song
- Department of Geriatric DentistryDepartment of Dental Materials & Dental Medical Devices Testing CenterNational Engineering Research Center of Oral Biomaterials and Digital Medical DevicesNMPA Key Laboratory for Dental MaterialsBeijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Xin Zhang
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Yue Yin
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Mengfan Guo
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Xuyang Zhao
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Likun Wang
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Caixia Ren
- Department of Human AnatomyHistology and EmbryologyPeking University Health Science CenterBeijing100191P. R. China
| | - Yuxin Yin
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
| | - Xuehui Zhang
- Department of Geriatric DentistryDepartment of Dental Materials & Dental Medical Devices Testing CenterNational Engineering Research Center of Oral Biomaterials and Digital Medical DevicesNMPA Key Laboratory for Dental MaterialsBeijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Xuliang Deng
- Department of Geriatric DentistryDepartment of Dental Materials & Dental Medical Devices Testing CenterNational Engineering Research Center of Oral Biomaterials and Digital Medical DevicesNMPA Key Laboratory for Dental MaterialsBeijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijing100081P. R. China
| | - Dan Lu
- Institute of Systems BiomedicineDepartment of PathologySchool of Basic Medical SciencesPeking University Health Science CenterBeijing100191P. R. China
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11
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Radjacommare R, Lin SY, Usharani R, Lin WD, Jauh GY, Schmidt W, Fu H. The Arabidopsis Deubiquitylase OTU5 Suppresses Flowering by Histone Modification-Mediated Activation of the Major Flowering Repressors FLC, MAF4, and MAF5. Int J Mol Sci 2023; 24:ijms24076176. [PMID: 37047144 PMCID: PMC10093928 DOI: 10.3390/ijms24076176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/19/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Distinct phylogeny and substrate specificities suggest that 12 Arabidopsis Ovarian Tumor domain-containing (OTU) deubiquitinases participate in conserved or plant-specific functions. The otu5-1 null mutant displayed a pleiotropic phenotype, including early flowering, mimicking that of mutants harboring defects in subunits (e.g., ARP6) of the SWR1 complex (SWR1c) involved in histone H2A.Z deposition. Transcriptome and RT-qPCR analyses suggest that downregulated FLC and MAF4-5 are responsible for the early flowering of otu5-1. qChIP analyses revealed a reduction and increase in activating and repressive histone marks, respectively, on FLC and MAF4-5 in otu5-1. Subcellular fractionation, GFP-fusion expression, and MNase treatment of chromatin showed that OTU5 is nucleus-enriched and chromatin-associated. Moreover, OTU5 was found to be associated with FLC and MAF4-5. The OTU5-associated protein complex(es) appears to be distinct from SWR1c, as the molecular weights of OTU5 complex(es) were unaltered in arp6-1 plants. Furthermore, the otu5-1 arp6-1 double mutant exhibited synergistic phenotypes, and H2A.Z levels on FLC/MAF4-5 were reduced in arp6-1 but not otu5-1. Our results support the proposition that Arabidopsis OTU5, acting independently of SWR1c, suppresses flowering by activating FLC and MAF4-5 through histone modification. Double-mutant analyses also indicate that OTU5 acts independently of the HUB1-mediated pathway, but it is partially required for FLC-mediated flowering suppression in autonomous pathway mutants and FRIGIDA-Col.
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12
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Schroeder MA. Targeting a deubiquitinase blocks GVHD. Blood 2023; 141:1376-1377. [PMID: 36951887 DOI: 10.1182/blood.2022019367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023] Open
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13
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Huang Z, Shen S, Wang M, Li W, Wu G, Huang W, Luo W, Liang G. Mouse endothelial OTUD1 promotes angiotensin II-induced vascular remodeling by deubiquitinating SMAD3. EMBO Rep 2023; 24:e56135. [PMID: 36579465 PMCID: PMC9986815 DOI: 10.15252/embr.202256135] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 12/30/2022] Open
Abstract
Understanding the molecular mechanisms of pathological vascular remodeling is important for treating cardiovascular diseases and complications. Recent studies have highlighted a role of deubiquitinases in vascular pathophysiology. Here, we investigate the role of a deubiquitinase, OTUD1, in angiotensin II (Ang II)-induced vascular remodeling. We detect upregulated OTUD1 in the vascular endothelium of Ang II-challenged mice and show that OTUD1 deletion attenuates vascular remodeling, collagen deposition, and EndMT. Conversely, OTUD1 overexpression aggravates these pathological changes both in vivo and in vitro. Mechanistically, SMAD3 is identified as a substrate of OTUD1 using co-immunoprecipitation followed by LC-MS/MS. We find that OTUD1 stabilizes SMAD3 and facilitates SMAD3/SMAD4 complex formation and subsequent nuclear translocation through both K48- and K63-linked deubiquitination. OTUD1-mediated SMAD3 activation regulates transcription of genes involved in vascular EndMT and remodeling in HUVECs. Finally, SMAD3 inhibition reverses OTUD1-promoted vascular remodeling. Our findings demonstrate that endothelial OTUD1 promotes Ang II-induced vascular remodeling by deubiquitinating SMAD3. We identify SMAD3 as a target of OTUD1 and propose OTUD1 as a potential therapeutic target for diseases related to vascular remodeling.
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Affiliation(s)
- Zhuqi Huang
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
- Department of CardiologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Sirui Shen
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
- Department of CardiologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Mengyang Wang
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Weixin Li
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Gaojun Wu
- Department of CardiologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Weijian Huang
- Department of CardiologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Wu Luo
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical SciencesWenzhou Medical UniversityWenzhouChina
- Department of CardiologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
- School of Pharmaceutical SciencesHangzhou Medical CollegeHangzhouChina
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14
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Oikawa D, Shimizu K, Tokunaga F. Pleiotropic Roles of a KEAP1-Associated Deubiquitinase, OTUD1. Antioxidants (Basel) 2023; 12:antiox12020350. [PMID: 36829909 PMCID: PMC9952104 DOI: 10.3390/antiox12020350] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Protein ubiquitination, which is catalyzed by ubiquitin-activating enzymes, ubiquitin-conjugating enzymes, and ubiquitin ligases, is a crucial post-translational modification to regulate numerous cellular functions in a spatio-temporal-specific manner. The human genome encodes ~100 deubiquitinating enzymes (DUBs), which antagonistically regulate the ubiquitin system. OTUD1, an ovarian tumor protease (OTU) family DUB, has an N-terminal-disordered alanine-, proline-, glycine-rich region (APGR), a catalytic OTU domain, and a ubiquitin-interacting motif (UIM). OTUD1 preferentially hydrolyzes lysine-63-linked ubiquitin chains in vitro; however, recent studies indicate that OTUD1 cleaves various ubiquitin linkages, and is involved in the regulation of multiple cellular functions. Thus, OTUD1 predominantly functions as a tumor suppressor by targeting p53, SMAD7, PTEN, AKT, IREB2, YAP, MCL1, and AIF. Furthermore, OTUD1 regulates antiviral signaling, innate and acquired immune responses, and cell death pathways. Similar to Nrf2, OTUD1 contains a KEAP1-binding ETGE motif in its APGR and regulates the reactive oxygen species (ROS)-mediated oxidative stress response and cell death. Importantly, in addition to its association with various cancers, including multiple myeloma, OTUD1 is involved in acute graft-versus-host disease and autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, and ulcerative colitis. Thus, OTUD1 is an important DUB as a therapeutic target for a variety of diseases.
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15
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Song J, Zhao W, Zhang X, Tian W, Zhao X, Ma L, Cao Y, Yin Y, Zhang X, Deng X, Lu D. Mutant RIG-I enhances cancer-related inflammation through activation of circRIG-I signaling. Nat Commun 2022; 13:7096. [PMID: 36402769 PMCID: PMC9675819 DOI: 10.1038/s41467-022-34885-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 11/10/2022] [Indexed: 11/21/2022] Open
Abstract
RIG-I/DDX58 plays a key role in host innate immunity. However, its therapeutic potential for inflammation-related cancers remains to be explored. Here we identify frameshift germline mutations of RIG-I occurring in patients with colon cancer. Accordingly, Rig-ifs/fs mice bearing a frameshift mutant Rig-i exhibit increased susceptibility to colitis-related colon cancer as well as enhanced inflammatory response to chemical, virus or bacteria. In addition to interruption of Rig-i mRNA translation, the Rig-i mutation changes the secondary structure of Rig-i pre-mRNA and impairs its association with DHX9, consequently inducing a circular RNA generation from Rig-i transcript, thereby, designated as circRIG-I. CircRIG-I is frequently upregulated in colon cancers and its upregulation predicts poor outcome of colon cancer. Mechanistically, circRIG-I interacts with DDX3X, which in turn stimulates MAVS/TRAF5/TBK1 signaling cascade, eventually activating IRF3-mediated type I IFN transcription and aggravating inflammatory damage. Reciprocally, all-trans retinoic acid acts as a DHX9 agonist, ameliorates immunopathology through suppression of circRIG-I biogenesis. Collectively, our results provide insight into mutant RIG-I action and propose a potential strategy for the treatment of colon cancer.
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Affiliation(s)
- Jia Song
- grid.11135.370000 0001 2256 9319Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China ,grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China ,grid.11135.370000 0001 2256 9319National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China
| | - Wei Zhao
- grid.415954.80000 0004 1771 3349Department of Clinical Laboratory, China-Japan Friendship Hospital, Beijing, 100029 P.R. China
| | - Xin Zhang
- grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China
| | - Wenyu Tian
- grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China
| | - Xuyang Zhao
- grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China
| | - Liang Ma
- grid.415954.80000 0004 1771 3349Department of Clinical Laboratory, China-Japan Friendship Hospital, Beijing, 100029 P.R. China
| | - Yongtong Cao
- grid.415954.80000 0004 1771 3349Department of Clinical Laboratory, China-Japan Friendship Hospital, Beijing, 100029 P.R. China
| | - Yuxin Yin
- grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China
| | - Xuehui Zhang
- grid.11135.370000 0001 2256 9319National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, NMPA Key Laboratory for Dental Materials, Beijing Laboratory of Biomedical Materials & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China ,grid.11135.370000 0001 2256 9319Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China
| | - Xuliang Deng
- grid.11135.370000 0001 2256 9319Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China ,grid.11135.370000 0001 2256 9319Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, 100081 P.R. China
| | - Dan Lu
- grid.11135.370000 0001 2256 9319Institute of Systems Biomedicine, School of Basic Medical Sciences, NHC Key Laboratory of Medical Immunology, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, 100191 P.R. China
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16
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Harley ITW, Allison K, Scofield RH. Polygenic autoimmune disease risk alleles impacting B cell tolerance act in concert across shared molecular networks in mouse and in humans. Front Immunol 2022; 13:953439. [PMID: 36090990 PMCID: PMC9450536 DOI: 10.3389/fimmu.2022.953439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022] Open
Abstract
Most B cells produced in the bone marrow have some level of autoreactivity. Despite efforts of central tolerance to eliminate these cells, many escape to periphery, where in healthy individuals, they are rendered functionally non-responsive to restimulation through their antigen receptor via a process termed anergy. Broad repertoire autoreactivity may reflect the chances of generating autoreactivity by stochastic use of germline immunoglobulin gene segments or active mechanisms may select autoreactive cells during egress to the naïve peripheral B cell pool. Likewise, it is unclear why in some individuals autoreactive B cell clones become activated and drive pathophysiologic changes in autoimmune diseases. Both of these remain central questions in the study of the immune system(s). In most individuals, autoimmune diseases arise from complex interplay of genetic risk factors and environmental influences. Advances in genome sequencing and increased statistical power from large autoimmune disease cohorts has led to identification of more than 200 autoimmune disease risk loci. It has been observed that autoantibodies are detectable in the serum years to decades prior to the diagnosis of autoimmune disease. Thus, current models hold that genetic defects in the pathways that control autoreactive B cell tolerance set genetic liability thresholds across multiple autoimmune diseases. Despite the fact these seminal concepts were developed in animal (especially murine) models of autoimmune disease, some perceive a disconnect between human risk alleles and those identified in murine models of autoimmune disease. Here, we synthesize the current state of the art in our understanding of human risk alleles in two prototypical autoimmune diseases – systemic lupus erythematosus (SLE) and type 1 diabetes (T1D) along with spontaneous murine disease models. We compare these risk networks to those reported in murine models of these diseases, focusing on pathways relevant to anergy and central tolerance. We highlight some differences between murine and human environmental and genetic factors that may impact autoimmune disease development and expression and may, in turn, explain some of this discrepancy. Finally, we show that there is substantial overlap between the molecular networks that define these disease states across species. Our synthesis and analysis of the current state of the field are consistent with the idea that the same molecular networks are perturbed in murine and human autoimmune disease. Based on these analyses, we anticipate that murine autoimmune disease models will continue to yield novel insights into how best to diagnose, prognose, prevent and treat human autoimmune diseases.
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Affiliation(s)
- Isaac T. W. Harley
- Division of Rheumatology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
- Human Immunology and Immunotherapy Initiative (HI3), Department of Immunology, University of Colorado School of Medicine, Aurora, CO, United States
- Rheumatology Section, Medicine Service, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, CO, United States
- *Correspondence: Isaac T. W. Harley,
| | - Kristen Allison
- Division of Rheumatology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, United States
- Human Immunology and Immunotherapy Initiative (HI3), Department of Immunology, University of Colorado School of Medicine, Aurora, CO, United States
| | - R. Hal Scofield
- Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Arthritis & Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
- Medical/Research Service, US Department of Veterans Affairs Medical Center, Oklahoma City, OK, United States
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17
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Depression compromises antiviral innate immunity via the AVP-AHI1-Tyk2 axis. Cell Res 2022; 32:897-913. [PMID: 35821088 PMCID: PMC9274186 DOI: 10.1038/s41422-022-00689-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 06/24/2022] [Indexed: 12/13/2022] Open
Abstract
Depression is a serious public-health issue. Recent reports have suggested higher susceptibility to viral infections in depressive patients. However, how depression affects antiviral innate immune signaling remains unknown. Here, we revealed a reduction in expression of Abelson helper integration site 1 (AHI1) in the peripheral blood mononuclear cells (PBMCs) and macrophages from the patients with major depressive disorder (MDD), which leads to attenuated antiviral immune response. We found that depression-related arginine vasopressin (AVP) induces reduction of AHI1 in macrophages. Further studies demonstrated that AHI1 is a critical stabilizer of basal type-I-interferon (IFN-I) signaling. Mechanistically, AHI1 recruits OTUD1 to deubiquitinate and stabilize Tyk2, while AHI1 reduction downregulates Tyk2 and IFN-I signaling activity in macrophages from both MDD patients and depression model mice. Interestingly, we identified a clinical analgesic meptazinol that effectively stimulates AHI1 expression, thus enhancing IFN-I antiviral defense in depression model mice. Our study promotes the understanding of the signaling mechanisms of depression-mediated antiviral immune dysfunction, and reveals meptazinol as an enhancer of antiviral innate immunity in depressive patients.
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18
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Beck DB, Werner A, Kastner DL, Aksentijevich I. Disorders of ubiquitylation: unchained inflammation. Nat Rev Rheumatol 2022; 18:435-447. [PMID: 35523963 PMCID: PMC9075716 DOI: 10.1038/s41584-022-00778-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2022] [Indexed: 12/31/2022]
Abstract
Ubiquitylation is an essential post-translational modification that regulates intracellular signalling networks by triggering proteasomal substrate degradation, changing the activity of substrates or mediating changes in proteins that interact with substrates. Hundreds of enzymes participate in reversible ubiquitylation of proteins, some acting globally and others targeting specific proteins. Ubiquitylation is essential for innate immune responses, as it facilitates rapid regulation of inflammatory pathways, thereby ensuring sufficient but not excessive responses. A growing number of inborn errors of immunity are attributed to dysregulated ubiquitylation. These genetic disorders exhibit broad clinical manifestations, ranging from susceptibility to infection to autoinflammatory and/or autoimmune features, lymphoproliferation and propensity to malignancy. Many autoinflammatory disorders result from disruption of components of the ubiquitylation machinery and lead to overactivation of innate immune cells. An understanding of the disorders of ubiquitylation in autoinflammatory diseases could enable the development of novel management strategies.
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Affiliation(s)
- David B Beck
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.,Center for Human Genetics and Genomics, New York University, New York, NY, USA.,Division of Rheumatology, Department of Medicine, New York University, New York, NY, USA
| | - Achim Werner
- Stem Cell Biochemistry Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Daniel L Kastner
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.
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19
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Non-proteolytic ubiquitylation in cellular signaling and human disease. Commun Biol 2022; 5:114. [PMID: 35136173 PMCID: PMC8826416 DOI: 10.1038/s42003-022-03060-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 01/18/2022] [Indexed: 12/18/2022] Open
Abstract
Ubiquitylation is one of the most common post-translational modifications (PTMs) of proteins that frequently targets substrates for proteasomal degradation. However it can also result in non-proteolytic events which play important functions in cellular processes such as intracellular signaling, membrane trafficking, DNA repair and cell cycle. Emerging evidence demonstrates that dysfunction of non-proteolytic ubiquitylation is associated with the development of multiple human diseases. In this review, we summarize the current knowledge and the latest concepts on how non-proteolytic ubiquitylation pathways are involved in cellular signaling and in disease-mediating processes. Our review, may advance our understanding of the non-degradative ubiquitylation process. Evanthia Pangou and co-authors review recent insights into the important roles of non-proteolytic ubiquitylation in cellular signaling as well as in physiology and disease.
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20
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The deubiquitinase OTUD1 inhibits colonic inflammation by suppressing RIPK1-mediated NF-κB signaling. Cell Mol Immunol 2022; 19:276-289. [PMID: 34876703 PMCID: PMC8803853 DOI: 10.1038/s41423-021-00810-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 02/03/2023] Open
Abstract
The E3 ubiquitin ligase (E3)-mediated ubiquitination and deubiquitinase (DUB)-mediated deubiquitination processes are closely associated with the occurrence and development of colonic inflammation. Ovarian tumor deubiquitinase 1 (OTUD1) is involved in immunoregulatory functions linked to infectious diseases. However, the effect of OTUD1 on intestinal immune responses during colonic inflammatory disorders such as inflammatory bowel disease (IBD) remains unclear. Here, we show that loss of OTUD1 in mice contributes to the pathogenesis of dextran sulfate sodium (DSS)-induced colitis via excessive release of proinflammatory cytokines. In addition, bone marrow transplantation experiments revealed that OTUD1 in hematopoietic cells plays a dominant role in protection against colitis. Mechanistically, OTUD1 physically interacts with receptor-interacting serine/threonine-protein kinase 1 (RIPK1) and selectively cleaves K63-linked polyubiquitin chains from RIPK1 to inhibit the recruitment of NF-κB essential modulator (NEMO). Moreover, the expression of OTUD1 in mucosa samples from ulcerative colitis (UC) patients was lower than that in mucosa samples from healthy controls. Furthermore, we demonstrate that the UC-associated OTUD1 G430V mutation abolishes the ability of OTUD1 to inhibit RIPK1-mediated NF-κB activation and intestinal inflammation. Taken together, our study unveils a previously unexplored role of OTUD1 in moderating intestinal inflammation by inhibiting RIPK1-mediated NF-κB activation, suggesting that the OTUD1-RIPK1 axis could be a potential target for the treatment of IBD.
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21
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Zou M, Zeng QS, Nie J, Yang JH, Luo ZY, Gan HT. The Role of E3 Ubiquitin Ligases and Deubiquitinases in Inflammatory Bowel Disease: Friend or Foe? Front Immunol 2021; 12:769167. [PMID: 34956195 PMCID: PMC8692584 DOI: 10.3389/fimmu.2021.769167] [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: 09/01/2021] [Accepted: 11/17/2021] [Indexed: 02/05/2023] Open
Abstract
Inflammatory bowel disease (IBD), which include Crohn’s disease (CD) and ulcerative colitis (UC), exhibits a complex multifactorial pathogenesis involving genetic susceptibility, imbalance of gut microbiota, mucosal immune disorder and environmental factors. Recent studies reported associations between ubiquitination and deubiquitination and the occurrence and development of inflammatory bowel disease. Ubiquitination modification, one of the most important types of post-translational modifications, is a multi-step enzymatic process involved in the regulation of various physiological processes of cells, including cell cycle progression, cell differentiation, apoptosis, and innate and adaptive immune responses. Alterations in ubiquitination and deubiquitination can lead to various diseases, including IBD. Here, we review the role of E3 ubiquitin ligases and deubiquitinases (DUBs) and their mediated ubiquitination and deubiquitination modifications in the pathogenesis of IBD. We highlight the importance of this type of posttranslational modification in the development of inflammation, and provide guidance for the future development of targeted therapeutics in IBD.
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Affiliation(s)
- Min Zou
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Qi-Shan Zeng
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Jiao Nie
- Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - Jia-Hui Yang
- Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - Zhen-Yi Luo
- Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - Hua-Tian Gan
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
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22
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Qian G, Zhu L, Li G, Liu Y, Zhang Z, Pan J, Lv H. An Integrated View of Deubiquitinating Enzymes Involved in Type I Interferon Signaling, Host Defense and Antiviral Activities. Front Immunol 2021; 12:742542. [PMID: 34707613 PMCID: PMC8542838 DOI: 10.3389/fimmu.2021.742542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/16/2021] [Indexed: 12/24/2022] Open
Abstract
Viral infectious diseases pose a great challenge to human health around the world. Type I interferons (IFN-Is) function as the first line of host defense and thus play critical roles during virus infection by mediating the transcriptional induction of hundreds of genes. Nevertheless, overactive cytokine immune responses also cause autoimmune diseases, and thus, tight regulation of the innate immune response is needed to achieve viral clearance without causing excessive immune responses. Emerging studies have recently uncovered that the ubiquitin system, particularly deubiquitinating enzymes (DUBs), plays a critical role in regulating innate immune responses. In this review, we highlight recent advances on the diverse mechanisms of human DUBs implicated in IFN-I signaling. These DUBs function dynamically to calibrate host defenses against various virus infections by targeting hub proteins in the IFN-I signaling transduction pathway. We also present a future perspective on the roles of DUB-substrate interaction networks in innate antiviral activities, discuss the promises and challenges of DUB-based drug development, and identify the open questions that remain to be clarified. Our review provides a comprehensive description of DUBs, particularly their differential mechanisms that have evolved in the host to regulate IFN-I-signaling-mediated antiviral responses.
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Affiliation(s)
- Guanghui Qian
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
| | - Liyan Zhu
- Department of Experimental Center, Medical College of Soochow University, Suzhou, China
| | - Gen Li
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
| | - Ying Liu
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
| | - Zimu Zhang
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
| | - Jian Pan
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
| | - Haitao Lv
- Institute of Pediatric Research, Children's Hospital of Soochow University, Suzhou, China
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23
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Snyder NA, Silva GM. Deubiquitinating enzymes (DUBs): Regulation, homeostasis, and oxidative stress response. J Biol Chem 2021; 297:101077. [PMID: 34391779 PMCID: PMC8424594 DOI: 10.1016/j.jbc.2021.101077] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/17/2022] Open
Abstract
Ubiquitin signaling is a conserved, widespread, and dynamic process in which protein substrates are rapidly modified by ubiquitin to impact protein activity, localization, or stability. To regulate this process, deubiquitinating enzymes (DUBs) counter the signal induced by ubiquitin conjugases and ligases by removing ubiquitin from these substrates. Many DUBs selectively regulate physiological pathways employing conserved mechanisms of ubiquitin bond cleavage. DUB activity is highly regulated in dynamic environments through protein-protein interaction, posttranslational modification, and relocalization. The largest family of DUBs, cysteine proteases, are also sensitive to regulation by oxidative stress, as reactive oxygen species (ROS) directly modify the catalytic cysteine required for their enzymatic activity. Current research has implicated DUB activity in human diseases, including various cancers and neurodegenerative disorders. Due to their selectivity and functional roles, DUBs have become important targets for therapeutic development to treat these conditions. This review will discuss the main classes of DUBs and their regulatory mechanisms with a particular focus on DUB redox regulation and its physiological impact during oxidative stress.
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Affiliation(s)
- Nathan A Snyder
- Department of Biology, Duke University, Durham, North Carolina, USA
| | - Gustavo M Silva
- Department of Biology, Duke University, Durham, North Carolina, USA.
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24
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Chen Y, Lin J, Zhao Y, Ma X, Yi H. Toll-like receptor 3 (TLR3) regulation mechanisms and roles in antiviral innate immune responses. J Zhejiang Univ Sci B 2021; 22:609-632. [PMID: 34414698 PMCID: PMC8377577 DOI: 10.1631/jzus.b2000808] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 01/08/2023]
Abstract
Toll-like receptor 3 (TLR3) is a member of the TLR family, mediating the transcriptional induction of type I interferons (IFNs), proinflammatory cytokines, and chemokines, thereby collectively establishing an antiviral host response. Studies have shown that unlike other TLR family members, TLR3 is the only RNA sensor that is utterly dependent on the Toll-interleukin-1 receptor (TIR)-domain-containing adaptor-inducing IFN-β (TRIF). However, the details of how the TLR3-TRIF signaling pathway works in an antiviral response and how it is regulated are unclear. In this review, we focus on recent advances in understanding the antiviral mechanism of the TRIF pathway and describe the essential characteristics of TLR3 and its antiviral effects. Advancing our understanding of TLR3 may contribute to disease diagnosis and could foster the development of novel treatments for viral diseases.
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Affiliation(s)
- Yujuan Chen
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Junhong Lin
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Yao Zhao
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Xianping Ma
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Huashan Yi
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China.
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China.
- Immunology Research Center, Medical Research Institute, Southwest University, Chongqing 402460, China.
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25
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Zhou Z, Cai X, Zhu J, Li Z, Yu G, Liu X, Ouyang G, Xiao W. Zebrafish otud6b Negatively Regulates Antiviral Responses by Suppressing K63-Linked Ubiquitination of irf3 and irf7. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 207:244-256. [PMID: 34183367 DOI: 10.4049/jimmunol.2000891] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 04/04/2021] [Indexed: 12/15/2022]
Abstract
Ovarian tumor domain-containing 6B (OTUD6B) belongs to the OTU deubiquitylating enzyme family. In this study, we report that zebrafish otud6b is induced upon viral infection, and overexpression of otud6b suppresses cellular antiviral response. Disruption of otud6b in zebrafish increases the survival rate upon spring viremia of carp virus and grass carp reovirus exposure. Further assays indicate that otud6b interacts with irf3 and irf7 and diminishes traf6-mediated K63-linked polyubiquitination of irf3 and irf7. In addition, the OTU domain is required for otud6b to repress IFN-1 activation and K63-linked polyubiquitination of irf3 and irf7. Moreover, otud6b also attenuates tbk1 to bind to irf3 and irf7, resulting in the impairment of irf3 and irf7 phosphorylation. This study provides, to our knowledge, novel insights into otud6b function and sheds new lights on the regulation of irf3 and irf7 by deubiquitination in IFN-1 signaling.
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Affiliation(s)
- Ziwen Zhou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xiaolian Cai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Junji Zhu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Zhi Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Guangqing Yu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xing Liu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and
| | - Gang Ouyang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and
| | - Wuhan Xiao
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China; .,The Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.,The Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, People's Republic of China; and.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
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26
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Chen X, Zhang H, Wang X, Shao Z, Li Y, Zhao G, Liu F, Liu B, Zheng Y, Chen T, Zheng H, Zhang L, Gao C. OTUD1 Regulates Antifungal Innate Immunity through Deubiquitination of CARD9. THE JOURNAL OF IMMUNOLOGY 2021; 206:1832-1843. [PMID: 33789983 DOI: 10.4049/jimmunol.2001253] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 02/08/2021] [Indexed: 12/30/2022]
Abstract
CARD9 is an essential adaptor protein in antifungal innate immunity mediated by C-type lectin receptors. The activity of CARD9 is critically regulated by ubiquitination; however, the deubiquitinases involved in CARD9 regulation remain incompletely understood. In this study, we identified ovarian tumor deubiquitinase 1 (OTUD1) as an essential regulator of CARD9. OTUD1 directly interacted with CARD9 and cleaved polyubiquitin chains from CARD9, leading to the activation of the canonical NF-κB and MAPK pathway. OTUD1 deficiency impaired CARD9-mediated signaling and inhibited the proinflammatory cytokine production following fungal stimulation. Importantly, Otud1 -/- mice were more susceptible to fungal infection than wild-type mice in vivo. Collectively, our results identify OTUD1 as an essential regulatory component for the CARD9 signaling pathway and antifungal innate immunity through deubiquitinating CARD9.
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Affiliation(s)
- Xiaorong Chen
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Honghai Zhang
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Xueer Wang
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Zhugui Shao
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Yanqi Li
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Guimin Zhao
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Feng Liu
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Bingyu Liu
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Yi Zheng
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China
| | - Tian Chen
- Department of Pathogenic Biology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China; and
| | - Hui Zheng
- International Institute of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, 215123 Suzhou, Jiangsu, People's Republic of China
| | - Lei Zhang
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China;
| | - Chengjiang Gao
- Key Laboratory of Infection and Immunity of Shandong Province and Department of Immunology, School of Biomedical Sciences, Shandong University, 250012 Jinan, Shandong, People's Republic of China;
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27
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Transcriptional and Non-Transcriptional Activation, Posttranslational Modifications, and Antiviral Functions of Interferon Regulatory Factor 3 and Viral Antagonism by the SARS-Coronavirus. Viruses 2021; 13:v13040575. [PMID: 33805458 PMCID: PMC8066409 DOI: 10.3390/v13040575] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022] Open
Abstract
The immune system defends against invading pathogens through the rapid activation of innate immune signaling pathways. Interferon regulatory factor 3 (IRF3) is a key transcription factor activated in response to virus infection and is largely responsible for establishing an antiviral state in the infected host. Studies in Irf3−/− mice have demonstrated the absence of IRF3 imparts a high degree of susceptibility to a wide range of viral infections. Virus infection causes the activation of IRF3 to transcribe type-I interferon (e.g., IFNβ), which is responsible for inducing the interferon-stimulated genes (ISGs), which act at specific stages to limit virus replication. In addition to its transcriptional function, IRF3 is also activated to trigger apoptosis of virus-infected cells, as a mechanism to restrict virus spread within the host, in a pathway called RIG-I-like receptor-induced IRF3 mediated pathway of apoptosis (RIPA). These dual functions of IRF3 work in concert to mediate protective immunity against virus infection. These two pathways are activated differentially by the posttranslational modifications (PTMs) of IRF3. Moreover, PTMs regulate not only IRF3 activation and function, but also protein stability. Consequently, many viruses utilize viral proteins or hijack cellular enzymes to inhibit IRF3 functions. This review will describe the PTMs that regulate IRF3′s RIPA and transcriptional activities and use coronavirus as a model virus capable of antagonizing IRF3-mediated innate immune responses. A thorough understanding of the cellular control of IRF3 and the mechanisms that viruses use to subvert this system is critical for developing novel therapies for virus-induced pathologies.
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28
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Song J, Liu T, Yin Y, Zhao W, Lin Z, Yin Y, Lu D, You F. The deubiquitinase OTUD1 enhances iron transport and potentiates host antitumor immunity. EMBO Rep 2021; 22:e51162. [PMID: 33393230 DOI: 10.15252/embr.202051162] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 12/13/2022] Open
Abstract
Although iron is required for cell proliferation, iron-dependent programmed cell death serves as a critical barrier to tumor growth and metastasis. Emerging evidence suggests that iron-mediated lipid oxidation also facilitates immune eradication of cancer. However, the regulatory mechanisms of iron metabolism in cancer remain unclear. Here we identify OTUD1 as the deubiquitinase of iron-responsive element-binding protein 2 (IREB2), selectively reduced in colorectal cancer. Clinically, downregulation of OTUD1 is highly correlated with poor outcome of cancer. Mechanistically, OTUD1 promotes transferrin receptor protein 1 (TFRC)-mediated iron transportation through deubiquitinating and stabilizing IREB2, leading to increased ROS generation and ferroptosis. Moreover, the presence of OTUD1 promotes the release of damage-associated molecular patterns (DAMPs), which in turn recruits the leukocytes and strengthens host immune response. Reciprocally, depletion of OTUD1 limits tumor-reactive T-cell accumulation and exacerbates colon cancer progression. Our data demonstrate that OTUD1 plays a stimulatory role in iron transportation and highlight the importance of OTUD1-IREB2-TFRC signaling axis in host antitumor immunity.
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Affiliation(s)
- Jia Song
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China.,Department of Pathology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Tongtong Liu
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Yue Yin
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Wei Zhao
- Department of Clinical Laboratory, China-Japan Friendship Hospital, Beijing, China
| | - Zhiqiang Lin
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Yuxin Yin
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Dan Lu
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Fuping You
- Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
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Zong Z, Zhang Z, Wu L, Zhang L, Zhou F. The Functional Deubiquitinating Enzymes in Control of Innate Antiviral Immunity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2002484. [PMID: 33511009 PMCID: PMC7816709 DOI: 10.1002/advs.202002484] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/09/2020] [Indexed: 05/11/2023]
Abstract
Innate antiviral immunity is the first line of host defense against invading viral pathogens. Immunity activation primarily relies on the recognition of pathogen-associated molecular patterns (PAMPs) by pattern recognition receptors (PRRs). Viral proteins or nucleic acids mainly engage three classes of PRRs: Toll-like receptors (TLRs), retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs), and DNA sensor cyclic GMP-AMP (cGAMP) synthase (cGAS). These receptors initiate a series of signaling cascades that lead to the production of proinflammatory cytokines and type I interferon (IFN-I) in response to viral infection. This system requires precise regulation to avoid aberrant activation. Emerging evidence has unveiled the crucial roles that the ubiquitin system, especially deubiquitinating enzymes (DUBs), play in controlling immune responses. In this review, an overview of the most current findings on the function of DUBs in the innate antiviral immune pathways is provided. Insights into the role of viral DUBs in counteracting host immune responses are also provided. Furthermore, the prospects and challenges of utilizing DUBs as therapeutic targets for infectious diseases are discussed.
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Affiliation(s)
- Zhi Zong
- Department of Hepatobiliary and Pancreatic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhou310003P. R. China
- MOE Key Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Zhengkui Zhang
- Institute of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
| | - Liming Wu
- Department of Hepatobiliary and Pancreatic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhou310003P. R. China
| | - Long Zhang
- Department of Hepatobiliary and Pancreatic SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhou310003P. R. China
- MOE Key Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Fangfang Zhou
- Institute of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
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Hisert KB, Birkland TP, Schoenfelt KQ, Long ME, Grogan B, Carter S, Liles WC, McKone EF, Becker L, Manicone AM, Gharib SA. CFTR Modulator Therapy Enhances Peripheral Blood Monocyte Contributions to Immune Responses in People With Cystic Fibrosis. Front Pharmacol 2020; 11:1219. [PMID: 33013356 PMCID: PMC7461946 DOI: 10.3389/fphar.2020.01219] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 07/27/2020] [Indexed: 12/12/2022] Open
Abstract
Background CFTR modulators decrease some etiologies of CF airway inflammation; however, data indicate that non-resolving airway infection and inflammation persist in individuals with CF and chronic bacterial infections. Thus, identification of therapies that diminish airway inflammation without allowing unrestrained bacterial growth remains a critical research goal. Novel strategies for combatting deleterious airway inflammation in the CFTR modulator era require better understanding of cellular contributions to chronic CF airway disease, and how inflammatory cells change after initiation of CFTR modulator therapy. Peripheral blood monocytes, which traffic to the CF airway, can develop both pro-inflammatory and inflammation-resolving phenotypes, represent intriguing cellular targets for focused therapies. This therapeutic approach, however, requires a more detailed knowledge of CF monocyte cellular programming and phenotypes. Material and Methods In order to characterize the inflammatory phenotype of CF monocytes, and how these cells change after initiation of CFTR modulator therapy, we studied adults (n=10) with CF, chronic airway infections, and the CFTR-R117H mutations before and 7 days after initiation of ivacaftor. Transcriptomes of freshly isolated blood monocytes were interrogated by RNA-sequencing (RNA-seq) followed by pathway-based analyses. Plasma concentrations of cytokines and chemokines were evaluated by multiplex ELISA. Results RNAseq identified approximately 50 monocyte genes for which basal expression was significantly changed in all 10 subjects after 7 days of ivacaftor. Of these, the majority were increased in expression post ivacaftor, including many genes traditionally associated with enhanced inflammation and immune responses. Pathway analyses confirmed that transcriptional programs were overwhelmingly up-regulated in monocytes after 7 days of ivacaftor, including biological modules associated with immunity, cell cycle, oxidative phosphorylation, and the unfolded protein response. Ivacaftor increased plasma concentrations of CXCL2, a neutrophil chemokine secreted by monocytes and macrophages, and CCL2, a monocyte chemokine. Conclusions Our results demonstrate that ivacaftor causes acute changes in blood monocyte transcriptional profiles and plasma chemokines, and suggest that increased monocyte inflammatory signals and changes in myeloid cell trafficking may contribute to changes in airway inflammation in people taking CFTR modulators. To our knowledge, this is the first report investigating the transcriptomic response of circulating blood monocytes in CF subjects treated with a CFTR modulator.
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Affiliation(s)
- Katherine B Hisert
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, CO, United States.,Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Timothy P Birkland
- Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Kelly Q Schoenfelt
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL, United States
| | - Matthew E Long
- Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Brenda Grogan
- Department of Medicine, St. Vincent's University Hospital, Dublin, Ireland
| | - Suzanne Carter
- Department of Medicine, St. Vincent's University Hospital, Dublin, Ireland
| | - W Conrad Liles
- Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Edward F McKone
- Department of Medicine, St. Vincent's University Hospital, Dublin, Ireland
| | - Lev Becker
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL, United States
| | - Anne M Manicone
- Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Sina A Gharib
- Center for Lung Biology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, United States
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Li T, Zou C. The Role of Deubiquitinating Enzymes in Acute Lung Injury and Acute Respiratory Distress Syndrome. Int J Mol Sci 2020; 21:E4842. [PMID: 32650621 PMCID: PMC7402294 DOI: 10.3390/ijms21144842] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/02/2020] [Accepted: 07/05/2020] [Indexed: 12/11/2022] Open
Abstract
Acute lung injury and acute respiratory distress syndrome (ALI/ARDS) are characterized by an inflammatory response, alveolar edema, and hypoxemia. ARDS occurs most often in the settings of pneumonia, sepsis, aspiration of gastric contents, or severe trauma. The prevalence of ARDS is approximately 10% in patients of intensive care. There is no effective remedy with mortality high at 30-40%. Most functional proteins are dynamic and stringently governed by ubiquitin proteasomal degradation. Protein ubiquitination is reversible, the covalently attached monoubiquitin or polyubiquitin moieties within the targeted protein can be removed by a group of enzymes called deubiquitinating enzymes (DUBs). Deubiquitination plays an important role in the pathobiology of ALI/ARDS as it regulates proteins critical in engagement of the alveolo-capillary barrier and in the inflammatory response. In this review, we provide an overview of how DUBs emerge in pathogen-induced pulmonary inflammation and related aspects in ALI/ARDS. Better understanding of deubiquitination-relatedsignaling may lead to novel therapeutic approaches by targeting specific elements of the deubiquitination pathways.
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Affiliation(s)
| | - Chunbin Zou
- Division of Pulmonary, Allergy, Critical Care Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA;
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Demirkaya E, Sahin S, Romano M, Zhou Q, Aksentijevich I. New Horizons in the Genetic Etiology of Systemic Lupus Erythematosus and Lupus-Like Disease: Monogenic Lupus and Beyond. J Clin Med 2020; 9:E712. [PMID: 32151092 PMCID: PMC7141186 DOI: 10.3390/jcm9030712] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/12/2020] [Accepted: 02/21/2020] [Indexed: 02/05/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is a clinically and genetically heterogeneous autoimmune disease. The etiology of lupus and the contribution of genetic, environmental, infectious and hormonal factors to this phenotype have yet to be elucidated. The most straightforward approach to unravel the molecular pathogenesis of lupus may rely on studies of patients who present with early-onset severe phenotypes. Typically, they have at least one of the following clinical features: childhood onset of severe disease (<5 years), parental consanguinity, and presence of family history for autoimmune diseases in a first-degree relative. These patients account for a small proportion of patients with lupus but they inform considerable knowledge about cellular pathways contributing to this inflammatory phenotype. In recent years with the aid of new sequencing technologies, novel or rare pathogenic variants have been reported in over 30 genes predisposing to SLE and SLE-like diseases. Future studies will likely discover many more genes with private variants associated to lupus-like phenotypes. In addition, genome-wide association studies (GWAS) have identified a number of common alleles (SNPs), which increase the risk of developing lupus in adult age. Discovery of a possible shared immune pathway in SLE patients, either with rare or common variants, can provide important clues to better understand this complex disorder, it's prognosis and can help guide new therapeutic approaches. The aim of this review is to summarize the current knowledge of the clinical presentation, genetic diagnosis and mechanisms of disease in patents with lupus and lupus-related phenotypes.
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Affiliation(s)
- Erkan Demirkaya
- Schulich School of Medicine & Dentistry, Department of Paediatrics, Division of Paediatric Rheumatology, University of Western Ontario, London, ON N6A 5W9, Canada;
| | - Sezgin Sahin
- Van Training and Research Hospital, Department of Paediatric Rheumatology, 65000 Van, Turkey;
| | - Micol Romano
- Schulich School of Medicine & Dentistry, Department of Paediatrics, Division of Paediatric Rheumatology, University of Western Ontario, London, ON N6A 5W9, Canada;
- Department of Pediatric Rheumatology, ASST-PINI-CTO, 20122 Milano, Italy
| | - Qing Zhou
- Life Sciences Institute, Zhejiang University, Hang Zhou 310058, China;
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, Bethesda, MD 20892, USA;
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Zhang Z, Wang D, Wang P, Zhao Y, You F. OTUD1 Negatively Regulates Type I IFN Induction by Disrupting Noncanonical Ubiquitination of IRF3. THE JOURNAL OF IMMUNOLOGY 2020; 204:1904-1918. [DOI: 10.4049/jimmunol.1900305] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 01/15/2020] [Indexed: 12/21/2022]
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Abstract
The innate immune system represents the first defense line of the host following viral infection. The infection triggers the recognition of pathogen-associated molecular patterns (PAMPs) from the viruses by pattern recognition receptors (PRRs) of the host cell. The interaction between viral PAMPs and PRRs evokes a sophisticated signal transduction system and eventually promotes the expression of type I interferons (IFNs) and proinflammatory cytokines. Ubiquitination plays an indispensable role in fine-tuning almost every single step of this signaling cascade given on its versatile functions. Ubiquitin ligases and deubiquitinases (DUBs), which cooperatively and accurately regulate the dynamic and reversible ubiquitination process, are the master regulators of antiviral signaling. In this review, we concentrate on summarizing the ubiquitin ligases and DUBs that modulate the central signaling molecules in antiviral innate immunity. Especially, we emphasize the ones that were identified by the immunologists from China.
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Affiliation(s)
- Yi Zheng
- State Key Laboratory of Microbial Technology, Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, the School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Chengjiang Gao
- State Key Laboratory of Microbial Technology, Key Laboratory of Infection and Immunity of Shandong Province & Department of Immunology, the School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China.
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