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Li X, Li W, Zhang Y, Xu L, Song Y. Exploiting the potential of the ubiquitin-proteasome system in overcoming tyrosine kinase inhibitor resistance in chronic myeloid leukemia. Genes Dis 2024; 11:101150. [PMID: 38947742 PMCID: PMC11214299 DOI: 10.1016/j.gendis.2023.101150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 06/15/2023] [Accepted: 09/01/2023] [Indexed: 07/02/2024] Open
Abstract
The advent of tyrosine kinase inhibitors (TKI) targeting BCR-ABL has drastically changed the treatment approach of chronic myeloid leukemia (CML), greatly prolonged the life of CML patients, and improved their prognosis. However, TKI resistance is still a major problem with CML patients, reducing the efficacy of treatment and their quality of life. TKI resistance is mainly divided into BCR-ABL-dependent and BCR-ABL-independent resistance. Now, the main clinical strategy addressing TKI resistance is to switch to newly developed TKIs. However, data have shown that these new drugs may cause serious adverse reactions and intolerance and cannot address all resistance mutations. Therefore, finding new therapeutic targets to overcome TKI resistance is crucial and the ubiquitin-proteasome system (UPS) has emerged as a focus. The UPS mediates the degradation of most proteins in organisms and controls a wide range of physiological processes. In recent years, the study of UPS in hematological malignant tumors has resulted in effective treatments, such as bortezomib in the treatment of multiple myeloma and mantle cell lymphoma. In CML, the components of UPS cooperate or antagonize the efficacy of TKI by directly or indirectly affecting the ubiquitination of BCR-ABL, interfering with CML-related signaling pathways, and negatively or positively affecting leukemia stem cells. Some of these molecules may help overcome TKI resistance and treat CML. In this review, the mechanism of TKI resistance is briefly described, the components of UPS are introduced, existing studies on UPS participating in TKI resistance are listed, and UPS as the therapeutic target and strategies are discussed.
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Affiliation(s)
- Xudong Li
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Wei Li
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Yanli Zhang
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
| | - Linping Xu
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
| | - Yongping Song
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, Henan 450008, China
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
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Xie S, Wang L, Lu C, Chen H, Ding Y, Jian X, Zhang Z, Zhu L. Degrasyn alleviates osteoarthritis by blocking macrophagic pyroptosis via suppressing NLRP3/GSDMD signaling pathway and protecting chondrocytes. Cell Signal 2024; 120:111220. [PMID: 38740234 DOI: 10.1016/j.cellsig.2024.111220] [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: 03/06/2024] [Revised: 04/25/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
Synovitis and cartilage destruction are crucial characteristics of osteoarthritis (OA). Inflammatory cytokines, such as IL-1β, are secreted by synovial macrophages, leading to cartilage destruction. Pyroptosis is a lytic form of programmed cell death, which could be triggered by the NLRP3 inflammasome of macrophages. Pyroptosis promotes the secretion of IL-1β and is supposed as a potential biomarker for OA. However, the function of Pyroptosis and NLRP3 inflammasome and its regulatory mechanism for activation is unclear in OA. In this study, we found that Degrasyn could alleviate the GSDMD-mediated pyroptosis of macrophages and the release of IL-1β, caspase-1, and LDH. Furthermore, it selectively impedes the form of ASC oligomer and speckle to effectively suppress the NLRP3 inflammasome during its assembly phase. Notably, Degrasyn exhibited potential chondroprotective effects in a co-culture system. Additionally, these results also indicate that Degrasyn mitigates synovitis and cartilage damage in a murine model of destabilization of the medial meniscus (DMM)-induced OA. In summary, Degrasyn emerges as a promising pharmaceutical agent for synovitis, paving the way for innovative therapeutic approaches to OA. Our findings underscore the potential of Degrasyn as a viable candidate for OA therapeutics, demonstrating its ability to regulate pyroptosis and NLRP3 inflammasome activation.
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Affiliation(s)
- Shujun Xie
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Cancer Center, Hangzhou 310006, China
| | - Linqiao Wang
- Department of Pediatrics, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Congcong Lu
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Hao Chen
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Yi Ding
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Xu Jian
- Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou 310006, PR China
| | - Zhen Zhang
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China.
| | - Liulong Zhu
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China.
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Gao B, Qiao Y, Zhu S, Yang N, Zou SS, Liu YJ, Chen J. USP36 inhibits apoptosis by deubiquitinating cIAP1 and survivin in colorectal cancer cells. J Biol Chem 2024; 300:107463. [PMID: 38876304 PMCID: PMC11268115 DOI: 10.1016/j.jbc.2024.107463] [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: 03/04/2024] [Revised: 05/19/2024] [Accepted: 05/30/2024] [Indexed: 06/16/2024] Open
Abstract
Chemotherapeutic agents for treating colorectal cancer (CRC) primarily induce apoptosis in tumor cells. The ubiquitin-proteasome system is critical for apoptosis regulation. Deubiquitinating enzymes (DUBs) remove ubiquitin from substrates to reverse ubiquitination. Although over 100 DUB members have been discovered, the biological functions of only a small proportion of DUBs have been characterized. Here, we aimed to systematically identify the DUBs that contribute to the development of CRC. Among the DUBs, ubiquitin-specific protease 36 (USP36) is upregulated in CRC. We showed that the knockdown of USP36 induces intrinsic and extrinsic apoptosis. Through gene silencing and coimmunoprecipitation techniques, we identified survivin and cIAP1 as USP36 targets. Mechanistically, USP36 binds and removes lysine-11-linked ubiquitin chains from cIAP1 and lysine-48-linked ubiquitin chains from survivin to abolish protein degradation. Overexpression of USP36 disrupts the formation of the XIAP-second mitochondria-derived activator of caspase complex and promotes receptor-interacting protein kinase 1 ubiquitination, validating USP36 as an inhibitor to intrinsic and extrinsic apoptosis through deubiquitinating survivin and cIAP1. Therefore, our results suggest that USP36 is involved in CRC progression and is a potential therapeutic target.
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Affiliation(s)
- Bao Gao
- Cancer Center, First Hospital of Jilin University, Changchun, Jilin, China; Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China
| | - Yuan Qiao
- Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China
| | - Shan Zhu
- Cancer Center, First Hospital of Jilin University, Changchun, Jilin, China; Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China
| | - Ning Yang
- Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China
| | - Shan-Shan Zou
- Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China
| | - Yong-Jun Liu
- Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China.
| | - Jingtao Chen
- Cancer Center, First Hospital of Jilin University, Changchun, Jilin, China; Laboratory for Tumor Immunology, First Hospital of Jilin University, Changchun, Jilin, China.
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Spano D, Catara G. Targeting the Ubiquitin-Proteasome System and Recent Advances in Cancer Therapy. Cells 2023; 13:29. [PMID: 38201233 PMCID: PMC10778545 DOI: 10.3390/cells13010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Ubiquitination is a reversible post-translational modification based on the chemical addition of ubiquitin to proteins with regulatory effects on various signaling pathways. Ubiquitination can alter the molecular functions of tagged substrates with respect to protein turnover, biological activity, subcellular localization or protein-protein interaction. As a result, a wide variety of cellular processes are under ubiquitination-mediated control, contributing to the maintenance of cellular homeostasis. It follows that the dysregulation of ubiquitination reactions plays a relevant role in the pathogenic states of human diseases such as neurodegenerative diseases, immune-related pathologies and cancer. In recent decades, the enzymes of the ubiquitin-proteasome system (UPS), including E3 ubiquitin ligases and deubiquitinases (DUBs), have attracted attention as novel druggable targets for the development of new anticancer therapeutic approaches. This perspective article summarizes the peculiarities shared by the enzymes involved in the ubiquitination reaction which, when deregulated, can lead to tumorigenesis. Accordingly, an overview of the main pharmacological interventions based on targeting the UPS that are in clinical use or still in clinical trials is provided, also highlighting the limitations of the therapeutic efficacy of these approaches. Therefore, various attempts to circumvent drug resistance and side effects as well as UPS-related emerging technologies in anticancer therapeutics are discussed.
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Affiliation(s)
- Daniela Spano
- Institute for Endocrinology and Experimental Oncology “G. Salvatore”, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Giuliana Catara
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
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Xing Z, Zhen Y, Chen J, Du M, Li D, Liu R, Zheng J. KPNA2 Silencing, Regulated by E3 Ubiquitin Ligase FBXW7, Alleviates Endothelial Dysfunction and Inflammation Through Inhibiting the Nuclear Translocation of p65 and IRF3: A Possible Therapeutic Approach for Atherosclerosis. Inflammation 2023; 46:2071-2088. [PMID: 37432596 DOI: 10.1007/s10753-023-01863-w] [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: 03/17/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 07/12/2023]
Abstract
Atherosclerosis (AS), characterized by a maladaptive inflammatory response, is one of the most common causes of death among the elderly. Karyopherin subunit alpha 2 (KPNA2), a member of the nuclear transport protein family, has been reported to play a pro-inflammatory role in various pathological processes by regulating the nuclear translocation of pro-inflammatory transcription factors. However, the function of KPNA2 in AS remains unknown. ApoE-/- mice were fed high-fat diets for 12 weeks to establish an AS mice model. Human umbilical vein endothelial cells (HUVECs) were treated with lipopolysaccharide (LPS) to establish an AS cell model. We found that KPNA2 was upregulated in the aortic roots of atherosclerotic mice and LPS-stimulated cells. KPNA2 knockdown inhibited LPS-induced secretion of pro-inflammatory factors and monocyte-endothelial adhesion in HUVECs, whereas KPNA2 overexpression exerted the opposite effects. p65 and interferon regulatory factor 3 (IRF3), the transcription factors known to regulate the transcription of pro-inflammatory genes, interacted with KPNA2, and their nuclear translocations were blocked following KPNA2 silencing. Furthermore, we found that KPNA2 protein level was decreased by E3 ubiquitin ligase F-box and WD repeat domain containing 7 (FBXW7), which was downregulated in the atherosclerotic mice. FBXW7 overexpression induced ubiquitination with subsequent proteasomal degradation of KPNA2. Meanwhile, the effects of KPNA2 deficiency on atherosclerotic lesions were further confirmed by in vivo experiments. Taken together, our study indicates that KPNA2 downregulation, regulated by FBXW7, may alleviate endothelial dysfunction and related inflammation in the progression of AS by suppressing the nuclear translocation of p65 and IRF3.
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Affiliation(s)
- Zeyu Xing
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Yanhua Zhen
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Jie Chen
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Mingyang Du
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Dongdong Li
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Ruyin Liu
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China
| | - Jiahe Zheng
- Department of Radiology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, 110022, Liaoning, People's Republic of China.
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Chai Q, Lei Z, Liu CH. Pyroptosis modulation by bacterial effector proteins. Semin Immunol 2023; 69:101804. [PMID: 37406548 DOI: 10.1016/j.smim.2023.101804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 07/07/2023]
Abstract
Pyroptosis is a proinflammatory form of programmed cell death featured with membrane pore formation that causes cellular swelling and allows the release of intracellular inflammatory mediators. This cell death process is elicited by the activation of the pore-forming proteins named gasdermins, and is intricately orchestrated by diverse regulatory factors in mammalian hosts to exert a prompt immune response against infections. However, growing evidence suggests that bacterial pathogens have evolved to regulate host pyroptosis for evading immune clearance and establishing progressive infection. In this review, we highlight current understandings of the functional role and regulatory network of pyroptosis in host antibacterial immunity. Thereafter, we further discuss the latest advances elucidating the mechanisms by which bacterial pathogens modulate pyroptosis through adopting their effector proteins to drive infections. A better understanding of regulatory mechanisms underlying pyroptosis at the interface of host-bacterial interactions will shed new light on the pathogenesis of infectious diseases and contribute to the development of promising therapeutic strategies against bacterial pathogens.
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Affiliation(s)
- Qiyao Chai
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Zehui Lei
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Cui Hua Liu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; Savaid Medical School, University of Chinese Academy of Sciences, Beijing 101408, China.
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7
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Jiang Q, Zhu Z, Mao X. Ubiquitination is a major modulator for the activation of inflammasomes and pyroptosis. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2023; 1866:194955. [PMID: 37331650 DOI: 10.1016/j.bbagrm.2023.194955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 05/25/2023] [Accepted: 06/12/2023] [Indexed: 06/20/2023]
Abstract
Inflammasomes are a central node of the innate immune defense system against the threat of homeostatic perturbance caused by pathogenic organisms or host-derived molecules. Inflammasomes are generally composed of multimeric protein complexes that assemble in the cytosol after sensing danger signals. Activated inflammasomes promote downstream proteolytic activation, which triggers the release of pro-inflammatory cytokines therefore inducing pyroptotic cell death. The inflammasome pathway is finely tuned by various mechanisms. Recent studies found that protein post-translational modifications such as ubiquitination also modulate inflammasome activation. Targeting the ubiquitination modification of the inflammasome pathway might be a promising strategy for related diseases. In this review, we extensively discuss the advances in inflammasome activation and pyroptosis modulated by ubiquitination which help in-depth understanding and controlling the inflammasome and pyroptosis in various diseases.
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Affiliation(s)
- Qiuyun Jiang
- Guangdong Institute of Cardiovascular Diseases, Guangdong Key Laboratory of Vascular Diseases, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, PR China; Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Diseases, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Zhigang Zhu
- Division of Hematology & Oncology, Department of Geriatrics, Guangzhou First People's Hospital, College of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, China
| | - Xinliang Mao
- Guangdong Institute of Cardiovascular Diseases, Guangdong Key Laboratory of Vascular Diseases, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, PR China; Guangdong Provincial Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Diseases, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China.
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8
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Tao H, Mo Y, Liu W, Wang H. A review on gout: Looking back and looking ahead. Int Immunopharmacol 2023; 117:109977. [PMID: 37012869 DOI: 10.1016/j.intimp.2023.109977] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/11/2023] [Accepted: 02/28/2023] [Indexed: 03/17/2023]
Abstract
Gout is a metabolic disease caused by the deposition of monosodium urate (MSU) crystals inside joints, which leads to inflammation and tissue damage. Increased concentration of serum urate is an essential step in the development of gout. Serum urate is regulated by urate transporters in the kidney and intestine, especially GLUT9 (SLC2A9), URAT1 (SLC22A12) and ABCG. Activation of NLRP3 inflammasome bodies and subsequent release of IL-1β by monosodium urate crystals induce the crescendo of acute gouty arthritis, while neutrophil extracellular traps (NETs) are considered to drive the self-resolving of gout within a few days. If untreated, acute gout may eventually develop into chronic tophaceous gout characterized by tophi, chronic gouty synovitis, and structural joint damage, leading the crushing burden of treatment. Although the research on the pathological mechanism of gout has been gradually deepened in recent years, many clinical manifestations of gout are still unable to be fully elucidated. Here, we reviewed the molecular pathological mechanism behind various clinical manifestations of gout, with a view to making contributions to further understanding and treatment.
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Geiger-Schuller K, Eraslan B, Kuksenko O, Dey KK, Jagadeesh KA, Thakore PI, Karayel O, Yung AR, Rajagopalan A, Meireles AM, Yang KD, Amir-Zilberstein L, Delorey T, Phillips D, Raychowdhury R, Moussion C, Price AL, Hacohen N, Doench JG, Uhler C, Rozenblatt-Rosen O, Regev A. Systematically characterizing the roles of E3-ligase family members in inflammatory responses with massively parallel Perturb-seq. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.23.525198. [PMID: 36747789 PMCID: PMC9900845 DOI: 10.1101/2023.01.23.525198] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
E3 ligases regulate key processes, but many of their roles remain unknown. Using Perturb-seq, we interrogated the function of 1,130 E3 ligases, partners and substrates in the inflammatory response in primary dendritic cells (DCs). Dozens impacted the balance of DC1, DC2, migratory DC and macrophage states and a gradient of DC maturation. Family members grouped into co-functional modules that were enriched for physical interactions and impacted specific programs through substrate transcription factors. E3s and their adaptors co-regulated the same processes, but partnered with different substrate recognition adaptors to impact distinct aspects of the DC life cycle. Genetic interactions were more prevalent within than between modules, and a deep learning model, comβVAE, predicts the outcome of new combinations by leveraging modularity. The E3 regulatory network was associated with heritable variation and aberrant gene expression in immune cells in human inflammatory diseases. Our study provides a general approach to dissect gene function.
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Rodolfi S, Nasone I, Folci M, Selmi C, Brunetta E. Autoinflammatory manifestations in adult patients. Clin Exp Immunol 2022; 210:295-308. [PMID: 36334040 PMCID: PMC9985169 DOI: 10.1093/cei/uxac098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 10/14/2022] [Accepted: 11/04/2022] [Indexed: 11/06/2022] Open
Abstract
Autoinflammatory diseases represent a family of immune-mediated conditions characterized by the unchecked activation of innate immunity. These conditions share common clinical features such as recurrent fever, inflammatory arthritis, and elevation of acute phase reactants, in the absence of an identified infectious etiology, generally without detectable serum autoantibodies, with variable response to glucocorticoids and in some cases colchicine, which represented the mainstay of treatment until cytokine blockade therapies became available. The first autoinflammatory diseases to be described were monogenic disorders caused by missense mutations in inflammasome components and were recognized predominantly during childhood or early adulthood. However, the progress of genetic analyses and a more detailed immunological phenotyping capacity led to the discovery a wide spectrum of diseases, often becoming manifest or being diagnosed in the adult population. The beneficial role of targeting hyperinflammation via interleukin 1 in complex non-immune-mediated diseases is a field of growing clinical interest. We provide an overview of the autoinflammatory diseases of interest to physicians treating adult patients and to analyze the contribution of hyperinflammation in non-immune-mediated diseases; the result is intended to provide a roadmap to orient scientists and clinicians in this broad area.
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Affiliation(s)
- Stefano Rodolfi
- Rheumatology and Clinical Immunology IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Irene Nasone
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- Emergency Department, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Marco Folci
- Nephrology and Internal Medicine, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Carlo Selmi
- Correspondence: Carlo Selmi, Division of Rheumatology and Clinical Immunology, Humanitas Clinical and Research Center IRCCS and Humanitas University, Via Manzoni 56, Rozzano, 20089, Milan, Italy.
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USP2 Inhibits Lung Cancer Pathogenesis by Reducing ARID2 Protein Degradation via Ubiquitination. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1525216. [PMID: 36567903 PMCID: PMC9779997 DOI: 10.1155/2022/1525216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 12/23/2022]
Abstract
Background Ubiquitination is an important regulator in physiological and pathological conditions. Ubiquitin-specific protease 2 (USP2), as a member of the USP family, exhibits oncogenic effects in multiple malignancies. However, the exact role of USP2 has not been well clarified in lung cancer pathogenesis and progression. Therefore, we aimed to further investigate the regulatory roles of USP2 in lung cancer in this study. Methods Firstly, immunoprecipitation-Mass Spectrometry (IP-MS), Co-immunoprecipitation (Co-IP), combined with immunofluorescent colocalization method, was conducted for USP2 protein interaction analysis in lung cancer cell lines. qRT-PCR, Western blot, and immunohistochemistry assays explored the USP2 expression pattern and USP2/ARID2- (AT-rich interactive domain 2-) specific shRNAs and overexpression vectors. Co-IP assays were designed to validate USP2-ARID2 protein interaction. Further functional studies including CHX chase assay, transwell assay, and wound healing assay were subsequently applied to evaluate the impact of USP2 modulation on lung cancer cells. Results USP2 suppression was characteristic in lung cancer cell line models and lung cancer samples. USP2 and ARID2 demonstrated protein-protein interaction and overlapping localization in cancer cell models. Functional experiments suggested USP2 inhibited lung cancer cell invasion and migration by reducing ARID2 protein degradation. Subsequent ubiquitination assays indicated ARID2 protein degradation via the ubiquitination was significantly reduced by USP2 interaction. Conclusions Our study provided novel insight that USP2 might suppress lung cancer by reducing ARID2 protein degradation via ubiquitination.
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12
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Zouali M. B Cells at the Cross-Roads of Autoimmune Diseases and Auto-Inflammatory Syndromes. Cells 2022; 11:cells11244025. [PMID: 36552788 PMCID: PMC9777531 DOI: 10.3390/cells11244025] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
Whereas autoimmune diseases are mediated primarily by T and B cells, auto-inflammatory syndromes (AIFS) involve natural killer cells, macrophages, mast cells, dendritic cells, different granulocyte subsets and complement components. In contrast to autoimmune diseases, the immune response of patients with AIFS is not associated with a breakdown of immune tolerance to self-antigens. Focusing on B lymphocyte subsets, this article offers a fresh perspective on the multiple cross-talks between both branches of innate and adaptive immunity in mounting coordinated signals that lead to AIFS. By virtue of their potential to play a role in adaptive immunity and to exert innate-like functions, B cells can be involved in both promoting inflammation and mitigating auto-inflammation in disorders that include mevalonate kinase deficiency syndrome, Kawasaki syndrome, inflammatory bone disorders, Schnitzler syndrome, Neuro-Behçet's disease, and neuromyelitis optica spectrum disorder. Since there is a significant overlap between the pathogenic trajectories that culminate in autoimmune diseases, or AIFS, a more detailed understanding of their respective roles in the development of inflammation could lead to designing novel therapeutic avenues.
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Affiliation(s)
- Moncef Zouali
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City 404, Taiwan
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13
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Hai B, Mao T, Du C, Jia F, Liu Y, Song Q, Pan X, Liu X, Zhu B. USP14 promotes pyroptosis of human annulus fibrosus cells derived from patients with intervertebral disc degeneration through deubiquitination of NLRP3. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1720 - 1730. [PMID: 36514221 PMCID: PMC9828310 DOI: 10.3724/abbs.2022171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/25/2022] [Indexed: 11/09/2022] Open
Abstract
Intervertebral disc degeneration (IVDD) is a general disorder that results in low back pain and disability among many affected individuals. However, the current treatments for IVDD are limited to relieving the symptoms but do not solve the fundamental issue. In this study, the role of USP14 in mediating the activation of the NLRP3 inflammasome and the pyroptosis of AF cells from IVDD patients is determined in vitro, and gain- and loss-of-function assays of USP14 and the NLRP3 inflammasome are conducted. Pyroptosis of AF cells is detected by flow cytometry. The inflammatory cytokines (IL-1β and IL-18) and protein levels of NLRP3, active Caspase-1, Aggrecan, MMP3 and ADAMTS-5 are determined by ELISA and western blot analysis, respectively. The correlation between USP14 and NLRP3 is measured by coimmunoprecipitation and ubiquitination analysis. Upregulation of USP14 is accompanied by increased level of the NLRP3 inflammasome in AF cells from IVDD patients; furthermore, a positive correlation between them is observed. USP14 knockdown inhibits pyroptosis in AF cells by inducing ubiquitination of NLRP3, while overexpression of USP14 has the opposite effect, which is inhibited by the NLRP3 inflammasome inhibitor INF39. USP14 exerts its positive regulatory effect on AF cell pyroptosis by modulating the NLRP3/Caspase-1/IL-1β and IL-18 signaling axes.
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Affiliation(s)
- Bao Hai
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Tianli Mao
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Chuanchao Du
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Fei Jia
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Yu Liu
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Qingpeng Song
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Xiaoyu Pan
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Xiaoguang Liu
- Department of OrthopedicsPeking University Third HospitalBeijing100191China
| | - Bin Zhu
- Department of OrthopedicsBeijing Friendship HospitalCapital Medical UniversityBeijing100191China
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14
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Zhou F, Zhang G, Wu Y, Xiong Y. Inflammasome Complexes: Crucial mediators in osteoimmunology and bone diseases. Int Immunopharmacol 2022; 110:109072. [DOI: 10.1016/j.intimp.2022.109072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/15/2022] [Accepted: 07/14/2022] [Indexed: 11/05/2022]
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15
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Pan S, Chen R. Pathological implication of protein post-translational modifications in cancer. Mol Aspects Med 2022; 86:101097. [PMID: 35400524 PMCID: PMC9378605 DOI: 10.1016/j.mam.2022.101097] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Protein post-translational modifications (PTMs) profoundly influence protein functions and play crucial roles in essentially all cell biological processes. The diverse realm of PTMs and their crosstalk is linked to many critical signaling events involved in neoplastic transformation, carcinogenesis and metastasis. The pathological roles of various PTMs are implicated in all aspects of cancer hallmark functions, cancer metabolism and regulation of tumor microenvironment. Study of PTMs has become an important area in cancer research to understand cancer biology and discover novel biomarkers and therapeutic targets. With a limited scope, this review attempts to discuss some PTMs of high frequency with recognized importance in cancer biology, including phosphorylation, acetylation, glycosylation, palmitoylation and ubiquitination, as well as their implications in clinical applications. These protein modifications are among the most abundant PTMs and profoundly implicated in carcinogenesis.
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16
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Ubiquitinated gasdermin D mediates arsenic-induced pyroptosis and hepatic insulin resistance in rat liver. Food Chem Toxicol 2021; 160:112771. [PMID: 34920032 DOI: 10.1016/j.fct.2021.112771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 12/07/2021] [Accepted: 12/11/2021] [Indexed: 02/08/2023]
Abstract
As an environmental toxicant, arsenic exposure may cause insulin resistance (IR). Previous studies have shown that pyroptosis plays an important role in the occurrence and development of IR. Although gasdermin D (GSDMD) functions as an executor of pyroptosis, the relationship between GSDMD-mediated pyroptosis and hepatic IR remains unclear. Here, we observed that sodium arsenite (NaAsO2) activated NOD-like receptors containing pyrin domain 3 (NLRP3) inflammasomes, promoted GSDMD activation, induced pyroptosis and hepatic IR, while GSDMD knockdown attenuated pyroptosis and hepatic IR caused by NaAsO2. However, GSDMD interference did not affect NLRP3 activation. Ubiquitination modification is widely involved in protein regulation and intracellular signal transduction, and whether it regulates GSDMD and affects its degradation, and exerts effects on arsenic-induced pyroptosis remain unclear. We observed that NaAsO2 reduced the K48- and K63-linked ubiquitination of GSDMD, thereby inhibiting its degradation through the ubiquitin-proteasome system (UPS) and the autophagy-lysosome pathway (ALP), causing GSDMD to accumulate and lyse into GSDMD-N, which promoted pyroptosis. In summary, we demonstrated that GSDMD participated in arsenic-induced hepatic IR. Moreover, NaAsO2 reduced GSDMD ubiquitination and decreased its intracellular degradation, aggravating pyroptosis and hepatic IR. We have revealed the molecular mechanism underpinning arsenic-induced IR, and we provide potential solutions for the prevention and treatment of type 2 diabetes (T2D).
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17
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Liu L, Yang Y, Fang R, Zhu W, Wu J, Li X, Patankar JV, Li W. Giardia duodenalis and Its Secreted PPIB Trigger Inflammasome Activation and Pyroptosis in Macrophages through TLR4-Induced ROS Signaling and A20-Mediated NLRP3 Deubiquitination. Cells 2021; 10:cells10123425. [PMID: 34943932 PMCID: PMC8700504 DOI: 10.3390/cells10123425] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/18/2021] [Accepted: 12/03/2021] [Indexed: 12/21/2022] Open
Abstract
The extracellular protozoan parasite Giardia duodenalis is a well-known and important causative agent of diarrhea on a global scale. Macrophage pyroptosis has been recognized as an important innate immune effector mechanism against intracellular pathogens. Yet, the effects of noninvasive Giardia infection on macrophage pyroptosis and the associated molecular triggers and regulators remain poorly defined. Here we initially observed that NLRP3 inflammasome-mediated pyroptosis was activated in Giardia-treated macrophages, and inhibition of ROS, NLRP3, or caspase-1 could block GSDMD cleavage, IL-1β, IL-18 and LDH release, and the cell viability reduction. We also confirmed that Giardia-induced NLRP3 inflammasome activation was involved in its K63 deubiquitination. Thus, six candidate deubiquitinases were screened, among which A20 was identified as an effective regulator. We then screened TLRs on macrophage membranes and found that upon stimulation TLR4 was tightly correlated to ROS enhancement, A20-mediated NLRP3 deubiquitination, and pyroptotic signaling. In addition, several Giardia-secreted proteins were predicted as trigger factors via secretome analysis, of which peptidyl-prolyl cis-trans isomerase B (PPIB) independently induced macrophage pyroptosis. This was similar to the findings from the trophozoite treatment, and also led to the TLR4-mediated activation of NLRP3 through K63 deubiquitination by A20. Collectively, the results of this study have significant implications for expanding our understanding of host defense mechanisms after infection with G. duodenalis.
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Affiliation(s)
- Lin Liu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Yongwu Yang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Rui Fang
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Weining Zhu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Jingxue Wu
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Xiaoyun Li
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
| | - Jay V. Patankar
- Department of Medicine 1, University of Erlangen-Nuremberg, 91052 Erlangen, Germany;
| | - Wei Li
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (L.L.); (Y.Y.); (R.F.); (W.Z.); (J.W.); (X.L.)
- Correspondence: or
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18
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Hong Y, Lee SO, Oh C, Kang K, Ryoo J, Kim D, Ahn K. USP21 Deubiquitinase Regulates AIM2 Inflammasome Activation. THE JOURNAL OF IMMUNOLOGY 2021; 207:1926-1936. [PMID: 34470856 DOI: 10.4049/jimmunol.2100449] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/01/2021] [Indexed: 12/11/2022]
Abstract
Innate immune sensing of cytosolic DNA via absent in melanoma 2 (AIM2) is a key mechanism leading to inflammatory responses. As aberrant immune responses by dysregulated AIM2 are associated with autoinflammatory diseases, activation of the AIM2 inflammasome should be tightly controlled. In this study, we discovered that ubiquitination and deubiquitination of AIM2 are critical events that regulate AIM2 inflammasome activation. In resting human macrophage cells, AIM2 is constitutively ubiquitinated and undergoes proteasomal degradation to avoid autoinflammation. Upon DNA stimulation, USP21 binds to AIM2 and deubiquitinates it, thereby increasing its protein stability. In addition to the role of USP21 in regulating AIM2 turnover, we uncovered that USP21-mediated deubiquitination of AIM2 is required for the assembly of the AIM2 inflammasome. Depletion of USP21 does not affect the DNA-binding ability of AIM2 but inhibits the formation of the AIM2-ASC complex. Our findings establish that fine-tuning of AIM2 by the ubiquitin system is important for regulating AIM2 inflammasome activation.
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Affiliation(s)
- Yujin Hong
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.,Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea; and
| | - Seong-Ok Lee
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.,Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea; and
| | - Changhoon Oh
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.,Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea; and
| | - Kwonyoon Kang
- College of Medicine, The Catholic University, Seoul, Republic of Korea
| | - Jeongmin Ryoo
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Dongyoung Kim
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.,Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea; and
| | - Kwangseog Ahn
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea; .,Center for RNA Research, Institute for Basic Science, Seoul, Republic of Korea; and
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19
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Chen X, Zhang D, Li Y, Wang W, Bei W, Guo J. NLRP3 inflammasome and IL-1β pathway in type 2 diabetes and atherosclerosis: Friend or foe? Pharmacol Res 2021; 173:105885. [PMID: 34536551 DOI: 10.1016/j.phrs.2021.105885] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/23/2021] [Accepted: 09/09/2021] [Indexed: 12/28/2022]
Abstract
Type 2 diabetes and atherosclerosis have gradually garnered great attention as inflammatory diseases. Previously, the fact that Interleukin-1β (IL-1β) accelerates the development of type 2 diabetes and atherosclerosis has been proved in animal experiments and clinical trials. However, the continued studies found that the effect of IL-1β on type 2 diabetes and atherosclerosis is much more complicated than the negative impact. Nucleotide-binding oligomerization domain and leucine-rich repeat pyrin 3 domain (NLRP3) inflammasome, whose activation and assembly significantly affect the release of IL-1β, is a crucial effector activated by a variety of metabolites. The diversity of NLRP3 activation mode is one of the fundamental reasons for the intricate effects on the progression of type 2 diabetes and atherosclerosis, providing many new insights for us to intervene in metabolic diseases. This review focuses on how NLRP3 inflammasome affects the progression of type 2 diabetes and atherosclerosis and what opportunities and challenges it can bring us.
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Affiliation(s)
- Xu Chen
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Dongxing Zhang
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Yuping Li
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Weixuan Wang
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China
| | - Weijian Bei
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China.
| | - Jiao Guo
- Key Unit of Modulating Liver to Treat Hyperlipemia SATCM (State Administration of Traditional Chinese Medicine), Guangdong Pharmaceutical University, Guangzhou, China; Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangzhou, China.
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20
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Bayat Z, Farhadi Z, Taherkhani A. Identification of potential biomarkers associated with poor prognosis in oral squamous cell carcinoma through integrated bioinformatics analysis: A pilot study. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101243] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Zhou XJ, Li R, Liu X, Qu YQ. Advances in deubiquitinating enzymes in lung adenocarcinoma. J Cancer 2021; 12:5573-5582. [PMID: 34405018 PMCID: PMC8364634 DOI: 10.7150/jca.56532] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 07/09/2021] [Indexed: 12/25/2022] Open
Abstract
The process of ubiquitination and deubiquitination is widely present in the human body's protein reactions and plays versatile roles in multiple diseases. Deubiquitinating enzymes (DUBs) are significant regulators of this process, which cleave the ubiquitin (Ub) moiety from various substrates and maintain protein stability. Lung adenocarcinoma (LUAD) is the most common type of non-small cell lung cancer (NSCLC) and remains refractory to treatment. To elucidate the mechanism of LUAD and advance new therapeutic targets, we review the latest research progress on DUBs in LUAD. We summarize the biological capabilities of these DUBs and further highlight those DUBs that may serve as anticancer target candidates for precision treatment. We also discuss deubiquitinase inhibitors, which are expected to play a role in targeted LUAD therapy.
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Affiliation(s)
- Xi-Jia Zhou
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Rui Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Xiao Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Yi-Qing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University (Jinan 250012, China)
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22
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Monogenic Autoinflammatory Diseases: State of the Art and Future Perspectives. Int J Mol Sci 2021; 22:ijms22126360. [PMID: 34198614 PMCID: PMC8232320 DOI: 10.3390/ijms22126360] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 12/18/2022] Open
Abstract
Systemic autoinflammatory diseases are a heterogeneous family of disorders characterized by a dysregulation of the innate immune system, in which sterile inflammation primarily develops through antigen-independent hyperactivation of immune pathways. In most cases, they have a strong genetic background, with mutations in single genes involved in inflammation. Therefore, they can derive from different pathogenic mechanisms at any level, such as dysregulated inflammasome-mediated production of cytokines, intracellular stress, defective regulatory pathways, altered protein folding, enhanced NF-kappaB signalling, ubiquitination disorders, interferon pathway upregulation and complement activation. Since the discover of pathogenic mutations of the pyrin-encoding gene MEFV in Familial Mediterranean Fever, more than 50 monogenic autoinflammatory diseases have been discovered thanks to the advances in genetic sequencing: the advent of new genetic analysis techniques and the discovery of genes involved in autoinflammatory diseases have allowed a better understanding of the underlying innate immunologic pathways and pathogenetic mechanisms, thus opening new perspectives in targeted therapies. Moreover, this field of research has become of great interest, since more than a hundred clinical trials for autoinflammatory diseases are currently active or recently concluded, allowing us to hope for considerable acquisitions for the next few years. General paediatricians need to be aware of the importance of this group of diseases and they should consider autoinflammatory diseases in patients with clinical hallmarks, in order to guide further examinations and refer the patient to a specialist rheumatologist. Here we resume the pathogenesis, clinical aspects and diagnosis of the most important autoinflammatory diseases in children.
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23
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Guo Y, Li L, Xu T, Guo X, Wang C, Li Y, Yang Y, Yang D, Sun B, Zhao X, Shao G, Qi X. HUWE1 mediates inflammasome activation and promotes host defense against bacterial infection. J Clin Invest 2021; 130:6301-6316. [PMID: 33104527 DOI: 10.1172/jci138234] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 08/11/2020] [Indexed: 02/05/2023] Open
Abstract
The mechanism by which inflammasome activation is modulated remains unclear. In this study, we identified an AIM2-interacting protein, the E3 ubiquitin ligase HUWE1, which was also found to interact with NLRP3 and NLRC4 through the HIN domain of AIM2 and the NACHT domains of NLRP3 and NLRC4. The BH3 domain of HUWE1 was important for its interaction with NLRP3, AIM2, and NLRC4. Caspase-1 maturation, IL-1β release, and pyroptosis were reduced in Huwe1-deficient bone marrow-derived macrophages (BMDMs) compared with WT BMDMs in response to stimuli to induce NLRP3, NLRC4, and AIM2 inflammasome activation. Furthermore, the activation of NLRP3, NLRC4, and AIM2 inflammasomes in both mouse and human cells was remarkably reduced by treatment with the HUWE1 inhibitor BI8622. HUWE1 mediated the K27-linked polyubiquitination of AIM2, NLRP3, and NLRC4, which led to inflammasome assembly, ASC speck formation, and sustained caspase-1 activation. Huwe1-deficient mice had an increased bacterial burden and decreased caspase-1 activation and IL-1β production upon Salmonella, Francisella, or Acinetobacter baumannii infection. Our study provides insights into the mechanisms of inflammasome activation as well as a potential therapeutic target against bacterial infection.
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Affiliation(s)
- Yu Guo
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,School of Life Sciences, University of Science and Technology of China, Hefei, China
| | - Longjun Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, China
| | - Tao Xu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Xiaomin Guo
- Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chaoming Wang
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, China
| | - Yihui Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, China
| | - Yanan Yang
- Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Dong Yang
- Laboratory of Animal Tumor Models and Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Sun
- Laboratory of Animal Tumor Models and Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xudong Zhao
- Laboratory of Animal Tumor Models and Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Genze Shao
- Department of Cell Biology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Xiaopeng Qi
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/Key Laboratory of Bioactive Peptides of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
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24
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Rasaei R, Sarodaya N, Kim KS, Ramakrishna S, Hong SH. Importance of Deubiquitination in Macrophage-Mediated Viral Response and Inflammation. Int J Mol Sci 2020; 21:ijms21218090. [PMID: 33138315 PMCID: PMC7662591 DOI: 10.3390/ijms21218090] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 01/14/2023] Open
Abstract
Ubiquitination and deubiquitination play a fundamental role in the signaling pathways associated with innate and adaptive immune responses. Macrophages are key sentinels for the host defense, triggering antiviral and inflammatory responses against various invading pathogens. Macrophages recognize the genetic material of these pathogens as pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs) through the activation of its pattern recognition receptors (PRRs), initiating the cascade of immune signaling, which leads to the production of pro- and anti-inflammatory cytokines that initiates the appropriate immune response. Macrophage-mediated immune response is highly regulated and tightly controlled by the ubiquitin system since its abnormal activation or dysregulation may result in the severe pathogenesis of numerous inflammatory and autoimmune diseases. Deubiquitinating enzymes (DUBs) play a crucial role in reversing the ubiquitination and controlling the magnitude of the immune response. During infection, pathogens manipulate the host defense system by regulating DUBs to obtain nutrients and increase proliferation. Indeed, the regulation of DUBs by small molecule inhibitors has been proposed as an excellent way to control aberrant activation of immune signaling molecules. This review is focused on the complex role of DUBs in macrophage-mediated immune response, exploring the potential use of DUBs as therapeutic targets in autoimmune and inflammatory diseases by virtue of small molecule DUB inhibitors.
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Affiliation(s)
- Roya Rasaei
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon 24341, Korea;
| | - Neha Sarodaya
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Korea; (N.S.); (K.-S.K.)
| | - Kye-Seong Kim
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Korea; (N.S.); (K.-S.K.)
- College of Medicine, Hanyang University, Seoul 04763, Korea
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 04763, Korea; (N.S.); (K.-S.K.)
- College of Medicine, Hanyang University, Seoul 04763, Korea
- Correspondence: or (S.R.); or (S.-H.H.)
| | - Seok-Ho Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon 24341, Korea;
- Correspondence: or (S.R.); or (S.-H.H.)
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25
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Alvarenga L, Cardozo LF, Borges NA, Lindholm B, Stenvinkel P, Shiels PG, Fouque D, Mafra D. Can nutritional interventions modulate the activation of the NLRP3 inflammasome in chronic kidney disease? Food Res Int 2020; 136:109306. [DOI: 10.1016/j.foodres.2020.109306] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/28/2020] [Accepted: 05/07/2020] [Indexed: 02/06/2023]
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26
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Li S, Shi M, Wan Y, Wang Y, Zhu M, Wang B, Zhan Y, Ran B, Wu C. Inflammasome/NF-κB translocation inhibition via PPARγ agonist mitigates inorganic mercury induced nephrotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110801. [PMID: 32502906 DOI: 10.1016/j.ecoenv.2020.110801] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/30/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Mercury (Hg) pollution poses global human health and environmental risks. However, still knowledge gaps exist on both exposures and health effects. Here, we combined transcriptome sequencing technique to further investigate the specific mechanisms of inorganic Hg toxicity in the kidney. Strikingly, transcriptomic analysis revealed that 4174 unigenes (including 2646 upregulated and 1528 downregulated unigenes) were differentially expressed under acute HgCl2 (5 mg/kg) exposure in the kidney. Additionally, we observed that HgCl2 selectively induced tumor necrosis factor superfamily (TNFSF) to participate in renal damage, which was consistent with the high-throughput sequencing data. The phenomenon is accompanied by NLRP3 inflammasome and NF-κB signal activation in the kidney. Simultaneously, ELISA results shown that TNF-α, IL-1β and IL-6 concentrations in the kidney were significant increased. KEGG enrichment analysis showed that peroxisome proliferators-activated receptors (PPAR) signaling pathway might be vital toxic mechanism of Hg in the kidney. Then, our data showed that PPARγ agonist (GW 1929) attenuated HgCl2 (15 μg/ml)-induced apoptosis and NLRP3 inflammasome activation via decreasing translocation of NF-κB and increasing Bcl2 levels in vitro. Along with this, we demonstrated that PPARγ antagonists (GW9662) effectively aggravated HgCl2-induced nephrotoxicity. Overall, our results suggested that PPARγ signaling pathway is considered to be a protective mechanism to combat against HgCl2-triggered NLRP3 inflammasome activation and apoptosis.
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Affiliation(s)
- Siwen Li
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Mei Shi
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Ying Wan
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Yanling Wang
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Mei Zhu
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Boya Wang
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Yangmei Zhan
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Bing Ran
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China
| | - Chunling Wu
- College of Basic Medical Sciences, Southwest Medical University, Luzhou, 646000, Sichuan Province, PR China.
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Leboeuf D, Pyatkov M, Zatsepin TS, Piatkov K. The Arg/N-Degron Pathway-A Potential Running Back in Fine-Tuning the Inflammatory Response? Biomolecules 2020; 10:biom10060903. [PMID: 32545869 PMCID: PMC7356051 DOI: 10.3390/biom10060903] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 12/14/2022] Open
Abstract
Recognition of danger signals by a cell initiates a powerful cascade of events generally leading to inflammation. Inflammatory caspases and several other proteases become activated and subsequently cleave their target proinflammatory mediators. The irreversible nature of this process implies that the newly generated proinflammatory fragments need to be sequestered, inhibited, or degraded in order to cancel the proinflammatory program or prevent chronic inflammation. The Arg/N-degron pathway is a ubiquitin-dependent proteolytic pathway that specifically degrades protein fragments bearing N-degrons, or destabilizing residues, which are recognized by the E3 ligases of the pathway. Here, we report that the Arg/N-degron pathway selectively degrades a number of proinflammatory fragments, including some activated inflammatory caspases, contributing in tuning inflammatory processes. Partial ablation of the Arg/N-degron pathway greatly increases IL-1β secretion, indicating the importance of this ubiquitous pathway in the initiation and resolution of inflammation. Thus, we propose a model wherein the Arg/N-degron pathway participates in the control of inflammation in two ways: in the generation of inflammatory signals by the degradation of inhibitory anti-inflammatory domains and as an “off switch” for inflammatory responses through the selective degradation of proinflammatory fragments.
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Affiliation(s)
- Dominique Leboeuf
- Skolkovo Institute of Science and Technology, 121205 Moscow, Russia; (D.L.); (T.S.Z.)
| | - Maxim Pyatkov
- Institute of Mathematical Problems of Biology, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Pushchino, 142290 Moscow, Russia;
| | - Timofei S. Zatsepin
- Skolkovo Institute of Science and Technology, 121205 Moscow, Russia; (D.L.); (T.S.Z.)
| | - Konstantin Piatkov
- Skolkovo Institute of Science and Technology, 121205 Moscow, Russia; (D.L.); (T.S.Z.)
- Correspondence:
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28
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Cammarata-Mouchtouris A, Nguyen XH, Acker A, Bonnay F, Goto A, Orian A, Fauvarque MO, Boutros M, Reichhart JM, Matt N. Hyd ubiquitinates the NF-κB co-factor Akirin to operate an effective immune response in Drosophila. PLoS Pathog 2020; 16:e1008458. [PMID: 32339205 PMCID: PMC7205318 DOI: 10.1371/journal.ppat.1008458] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/07/2020] [Accepted: 03/04/2020] [Indexed: 02/07/2023] Open
Abstract
The Immune Deficiency (IMD) pathway in Drosophila melanogaster is activated upon microbial challenge with Gram-negative bacteria to trigger the innate immune response. In order to decipher this nuclear factor κB (NF-κB) signaling pathway, we undertook an in vitro RNAi screen targeting E3 ubiquitin ligases specifically and identified the HECT-type E3 ubiquitin ligase Hyperplastic discs (Hyd) as a new actor in the IMD pathway. Hyd mediated Lys63 (K63)-linked polyubiquitination of the NF-κB cofactor Akirin was required for efficient binding of Akirin to the NF-κB transcription factor Relish. We showed that this Hyd-dependent interaction was required for the transcription of immunity-related genes that are activated by both Relish and Akirin but was dispensable for the transcription of genes that depend solely on Relish. Therefore Hyd is key in NF-κB transcriptional selectivity downstream of the IMD pathway. Drosophila depleted of Akirin or Hyd failed to express the full set of genes encoding immune-induced anti-microbial peptides and succumbed to immune challenges. We showed further that UBR5, the mammalian homolog of Hyd, was also required downstream of the NF-κB pathway for the activation of Interleukin 6 (IL6) transcription by LPS or IL-1β in cultured human cells. Our findings link the action of an E3 ubiquitin ligase to the activation of immune effector genes, deepening our understanding of the involvement of ubiquitination in inflammation and identifying a potential target for the control of inflammatory diseases. Ubiquitination has been recently identified in pathogenesis and progression of various diseases where inflammation is critical. NF-κB transcription factors are key actors in the transcriptional cascade leading to inflammation as they activate genes with pro- or anti-inflammatory activities. The similarity between the immune pathways in flies and mammals makes Drosophila melanogaster an excellent model to study the innate response. Accordingly, we decided to identify E3 ubiquitin-ligases involved in the regulation of NF-κB pathway, using Drosophila as a model system. A RNAi based screen in immortalized embryonic macrophage-like Drosophila cells points to the HECT-E3 ubiquitin ligase Hyd as a new regulator of the Immune-deficiency (IMD) NF-κB pathway, activated after Gram-negative immune challenge. More precisely, we showed that Hyd acts at the level of Akirin, an evolutionarily conserved player in the NF-κB pathway, required for the transcription of pro-inflammatory genes, but not for the NF-κB-dependent genes contributing to the down-regulation of inflammation. In addition, we could show that the human homologue of Hyd (UBR5) acts genetically at the level of human AKIRIN2, pointing to a unique dichotomy between Hyd/Akirin-dependent and -independent gene activation, allowing for the decoupling activation and resolution of inflammation. These results identified UBR5 as a putative target for anti-inflammatory compounds.
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Affiliation(s)
| | - Xuan-Hung Nguyen
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG) and College of Health Sciences, VinUniversity Hanoi, Vietnam
| | - Adrian Acker
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
| | - François Bonnay
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna, Austria
| | - Akira Goto
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
| | - Amir Orian
- Rappaport Research Institute and Rappaport Faculty of Medicine, Technion Integrated Cancer Center, Technion—Israel Institute of Technology, Haifa, Israel
| | | | - Michael Boutros
- Division of Signaling and Functional Genomics, German Cancer Research Center (DKFZ), and Department for Cell and Molecular Biology, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
| | | | - Nicolas Matt
- Université de Strasbourg, CNRS, M3I UPR 9022, Strasbourg, France
- * E-mail:
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29
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Proteome-wide identification and functional analysis of ubiquitinated proteins in peach leaves. Sci Rep 2020; 10:2447. [PMID: 32051488 PMCID: PMC7015887 DOI: 10.1038/s41598-020-59342-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 01/29/2020] [Indexed: 12/19/2022] Open
Abstract
Ubiquitination is a critical post-translational modification machinery that governs a wide range of cellular functions by regulating protein homeostasis. Identification of ubiquitinated proteins and lysine residues can help researchers better understand the physiological roles of ubiquitin modification in different biological systems. In this study, we report the first comprehensive analysis of the peach ubiquitome by liquid chromatography-tandem mass spectrometry-based diglycine remnant affinity proteomics. Our systematic profiling revealed a total of 544 ubiquitination sites on a total of 352 protein substrates. Protein annotation and functional analysis suggested that ubiquitination is involved in modulating a variety of essential cellular and physiological processes in peach, including but not limited to carbon metabolism, histone assembly, translation and vesicular trafficking. Our results could facilitate future studies on how ubiquitination regulates the agricultural traits of different peach cultivars and other crop species.
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30
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Chung IC, Chen LC, Tsang NM, Chuang WY, Liao TC, Yuan SN, OuYang CN, Ojcius DM, Wu CC, Chang YS. Mitochondrial Oxidative Phosphorylation Complex Regulates NLRP3 Inflammasome Activation and Predicts Patient Survival in Nasopharyngeal Carcinoma. Mol Cell Proteomics 2020; 19:142-154. [PMID: 31723016 PMCID: PMC6944234 DOI: 10.1074/mcp.ra119.001808] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/01/2019] [Indexed: 12/19/2022] Open
Abstract
We previously reported that tumor inflammasomes play a key role in tumor control and act as favorable prognostic markers in nasopharyngeal carcinoma (NPC). Activated inflammasomes frequently form distinguishable specks and govern the cellular secretion of IL-1β. However, we know little about the biological and biochemical differences between cells with and without apoptosis-associated speck-like protein containing a caspase-recruitment domain (ASC) speck formation. In this study, we used proteomic iTRAQ analysis to analyze the proteomes of NPC cells that differ in their ASC speck formation upon cisplatin treatment. We identified proteins that were differentially over-expressed in cells with specks, and found that they fell into two Gene ontology (GO) pathways: mitochondrial oxidative phosphorylation (OxPhos) and ubiquinone metabolism. We observed up-regulation of various components of the OxPhos machinery (including NDUFB3, NDUFB8 and ATP5B), and subsequently found that these changes lead to mitochondrial ROS (mtROS) production, which promotes the formation and activation of NLRP3 inflammasomes and subsequent pyroptosis. In NPC patients, better local recurrence-free survival was significantly associated with high-level expression of NDUFB8 (p = 0.037) and ATP5B (p = 0.029), as examined using immunohistochemistry. However, there were no significant associations between the expression of NDUFB8 and ATP5B with overall survival of NPC patients. Together, our results demonstrate that up-regulated mitochondrial OxPhos components are strongly associated with NLRP3 inflammasome activation in NPC. Our findings further suggest that high-level expression of OxPhos components could be markers for local recurrence and/or promising therapeutic targets in patients with NPC.
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Affiliation(s)
- I-Che Chung
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Lih-Chyang Chen
- Department of Medicine, Mackay Medical College, New Taipei City 252, Taiwan
| | - Ngan-Ming Tsang
- Department of Radiation Oncology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan; Department of Traditional Chinese Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wen-Yu Chuang
- Department of Pathology, Chang Gung Memorial Hospital, Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Tzu-Chieh Liao
- Department of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
| | - Sheng-Ning Yuan
- Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Chun-Nan OuYang
- Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - David M Ojcius
- Department of Biomedical Sciences, University of the Pacific, San Francisco, California 94103; Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan; Chang Gung Immunology Consortium, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan
| | - Chih-Ching Wu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan City 333, Taiwan; Department of Otolaryngology - Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.
| | - Yu-Sun Chang
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan; Department of Otolaryngology - Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.
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31
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Marino A, Tirelli F, Giani T, Cimaz R. Periodic fever syndromes and the autoinflammatory diseases (AIDs). J Transl Autoimmun 2019; 3:100031. [PMID: 32743516 PMCID: PMC7388371 DOI: 10.1016/j.jtauto.2019.100031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 12/13/2019] [Accepted: 12/13/2019] [Indexed: 12/14/2022] Open
Abstract
Innate immune system represents the ancestral defense against infectious agents preserved along the evolution and species; it is phylogenetically older than the adaptive immune system, which exists only in the vertebrates. Cells with phagocytic activity such as neutrophils, macrophages, and natural killer (NK) cells play a key role in innate immunity. In 1999 Kastner et al. first introduced the term “autoinflammation” describing two diseases characterized by recurrent episodes of systemic inflammation without any identifiable infectious trigger: Familial Mediterranean Fever (FMF) and TNF Receptor Associated Periodic Syndrome (TRAPS). Autoinflammatory diseases (AIDs) are caused by self-directed inflammation due to an alteration of innate immunity leading to systemic inflammatory attacks typically in an on/off mode. In addition to inflammasomopathies, nuclear factor (NF)-κB-mediated disorders (also known as Rhelopathies) and type 1 interferonopathies are subjects of more recent studies. This review aims to provide an overview of the field with the most recent updates (see “Most recent developments in..” paragraphs) and a description of the newly identified AIDs. Autoinflammatory diseases are caused by self-directed inflammation. Alteration of innate immunity leads to systemic inflammation attacks. The autoinflammatory field is exponentially expanding. The advances in AIDs have led to new insights into immune system understanding. Autoimmunity and autoinflammation features may be simultaneously present.
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Affiliation(s)
- Achille Marino
- Department of Pediatrics, Desio Hospital, ASST Monza, Desio, MB, Italy.,Biomedical Sciences, University of Florence, Florence, Italy
| | - Francesca Tirelli
- Rheumatology Unit, Meyer Children's Hospital, University of Florence, Florence, Italy
| | - Teresa Giani
- Rheumatology Unit, Meyer Children's Hospital, University of Florence, Florence, Italy.,Department of Medical Biotechnology, University of Siena, Siena, Italy
| | - Rolando Cimaz
- Department of Clinical Sciences and Community Health, University of Milano, Milan, Italy
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32
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Selenium Treatment Enhanced Clearance of Salmonella in Chicken Macrophages (HD11). Antioxidants (Basel) 2019; 8:antiox8110532. [PMID: 31703342 PMCID: PMC6912687 DOI: 10.3390/antiox8110532] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/28/2019] [Accepted: 11/01/2019] [Indexed: 11/21/2022] Open
Abstract
As an important micronutrient, selenium (Se) plays many essential roles in immune response and protection against pathogens in humans and animals, but underlying mechanisms of Se-based control of salmonella growth within macrophages remain poorly elucidated. In this study, using RNA-seq analyses, we demonstrate that Se treatment (at an appropriate concentration) can modulate the global transcriptome of chicken macrophages HD11. The bioinformatic analyses (KEGG pathway analysis) revealed that the differentially expressed genes (DEGs) were mainly enriched in retinol and glutathione metabolism, revealing that Se may be associated with retinol and glutathione metabolism. Meanwhile, Se treatment increased the number of salmonella invading the HD11 cells, but reduced the number of salmonella within HD11 cells, suggesting that enhanced clearance of salmonella within HD11 cells was potentially modulated by Se treatment. Furthermore, RNA-seq analyses also revealed that nine genes including SIVA1, FAS, and HMOX1 were differentially expressed in HD11 cells infected with salmonella following Se treatment, and GO enrichment analysis showed that these DEGs were mainly enriched in an extrinsic apoptotic signaling pathway. In summary, these results indicate that Se treatment may not only affect retinol and glutathione metabolism in macrophages, but could also inhibit salmonella-induced macrophage apoptosis via an extrinsic apoptotic signaling pathway involving SIVA1.
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33
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Schmidt FI. From atoms to physiology: what it takes to really understand inflammasomes. J Physiol 2019; 597:5335-5348. [PMID: 31490557 DOI: 10.1113/jp277027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 07/29/2019] [Indexed: 12/22/2022] Open
Abstract
Rapid inflammatory responses to cytosolic threats are mediated by inflammasomes - large macromolecular signalling complexes that control the activation of the pro-inflammatory cytokines interleukin (IL)-1β and IL-18, as well as cell death by pyroptosis. Different inflammasome sensors are activated by diverse direct and indirect signals, and subsequently nucleate the polymerization of the adaptor molecule ASC to form signalling platforms macroscopically observed as ASC specks. Caspase-1 is autocatalytically activated at these sites and subsequently matures pro-inflammatory cytokines and the pore-forming effector molecule gasdermin D. While most molecules and basic assembly principles have been deduced from reductionist experimental systems, we still lack fundamental information on the structure and regulation of these complexes in their physiological environment and in the interplay with other signalling pathways. In this review, novel experimental approaches are proposed, including some that rely on nanobodies and single domain antibodies, to understand inflammasome assembly and regulation in the context of the relevant tissues or cells.
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34
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Szekanecz Z, Szamosi S, Kovács GE, Kocsis E, Benkő S. The NLRP3 inflammasome - interleukin 1 pathway as a therapeutic target in gout. Arch Biochem Biophys 2019; 670:82-93. [DOI: 10.1016/j.abb.2019.01.031] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/22/2019] [Accepted: 01/27/2019] [Indexed: 02/07/2023]
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35
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Kumar S, Lukens JR. NLRP3 sets the table for a parasitic meal. J Leukoc Biol 2019; 106:505-507. [PMID: 31063612 DOI: 10.1002/jlb.4ce0319-088r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 04/14/2019] [Accepted: 04/15/2019] [Indexed: 11/07/2022] Open
Affiliation(s)
- Sushanth Kumar
- Department of Biology, University of Virginia, Charlottesville, Virginia, USA.,Graduate Program in Neuroscience, University of Virginia, Charlottesville, Virginia, USA
| | - John R Lukens
- Graduate Program in Neuroscience, University of Virginia, Charlottesville, Virginia, USA.,Department of Neuroscience, University of Virginia, Charlottesville, Virginia, USA.,Center for Brain Immunology and Glia (BIG), University of Virginia, Charlottesville, Virginia, USA
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36
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Ubiquitination-Mediated Inflammasome Activation during Bacterial Infection. Int J Mol Sci 2019; 20:ijms20092110. [PMID: 31035661 PMCID: PMC6539186 DOI: 10.3390/ijms20092110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 02/07/2023] Open
Abstract
Inflammasome activation is essential for host immune responses during pathogenic infection and sterile signals insult, whereas excessive activation is injurious. Thus, inflammasome activation is tightly regulated at multiple layers. Ubiquitination is an important post-translational modification for orchestrating inflammatory immune responses during pathogenic infection, and a major target hijacked by pathogenic bacteria for promoting their survival and proliferation. This review summarizes recent insights into distinct mechanisms of the inflammasome activation and ubiquitination process triggered by bacterial infection. We discuss the complex regulatory of inflammasome activation mediated by ubiquitination machinery during bacterial infection, and provide therapeutic approaches for specifically targeting aberrant inflammasome activation.
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37
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Malynn BA, Ma A. A20: A multifunctional tool for regulating immunity and preventing disease. Cell Immunol 2019; 340:103914. [PMID: 31030956 DOI: 10.1016/j.cellimm.2019.04.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/03/2019] [Indexed: 02/07/2023]
Abstract
A20, also known as TNFAIP3, is a potent regulator of ubiquitin (Ub) dependent signals. A20 prevents multiple human diseases, indicating that the critical functions of this protein are clinically as well as biologically impactful. As revealed by mouse models, cell specific functions of A20 are linked to its ability to regulate diverse signaling pathways. Aberrant expression or functions of A20 in specific cell types underlie divergent disease outcomes. Discernment of A20's biochemical functions and their phenotypic outcomes will contribute to our understanding of how ubiquitination is regulated, how Ub mediated functions can prevent disease, and will pave the way for future therapeutic interventions.
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Affiliation(s)
- Barbara A Malynn
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, United States
| | - Averil Ma
- Department of Medicine, University of California, San Francisco, San Francisco, CA 94143, United States.
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38
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Georgin-Lavialle S, Fayand A, Rodrigues F, Bachmeyer C, Savey L, Grateau G. Autoinflammatory diseases: State of the art. Presse Med 2019; 48:e25-e48. [PMID: 30686513 DOI: 10.1016/j.lpm.2018.12.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Autoinflammatory diseases are characterized by innate immunity abnormalities. In autoinflammatory diseases (AID), inflammatory blood biomarkers are elevated during crisis without infection and usually without autoantibodies. The first 4 described AID were familial Mediterranean fever, cryopyrin-associated periodic fever syndrome (CAPS) or NLRP3-associated autoinflammatory disease (NRLP3-AID), mevalonate kinase deficiency (MKD) and TNFRSF1A-receptor associated periodic fever syndrome (TRAPS). Since their description 20 years ago, and with the progresses of genetic analysis, many new diseases have been discovered; some with recurrent fever, others with predominant cutaneous symptoms or even immune deficiency. After describing the 4 historical recurrent fevers, some polygenic inflammatory diseases will also be shortly described such as Still disease and periodic fever with adenitis, pharyngitis and aphtous (PFAPA) syndrome. To better explore AID, some key anamnesis features are crucial such as the family tree, the age at onset, crisis length and organs involved in the clinical symptoms. An acute phase response is mandatory in crisis.
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Affiliation(s)
- Sophie Georgin-Lavialle
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France; Assistance publique-Hôpitaux de Paris, hôpital Trousseau, université Pierre-et-Marie-Curie (UPMC)-Paris 6, Inserm UMRS_933, 75012 Paris, France.
| | - Antoine Fayand
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France
| | - François Rodrigues
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France
| | - Claude Bachmeyer
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France
| | - Léa Savey
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France
| | - Gilles Grateau
- AP-HP, hôpital Tenon, Sorbonne université, service de médecine interne, centre de référence des maladies auto-inflammatoires et des amyloses d'origine inflammatoire (CEREMAIA), 75020 Paris, France; Assistance publique-Hôpitaux de Paris, hôpital Trousseau, université Pierre-et-Marie-Curie (UPMC)-Paris 6, Inserm UMRS_933, 75012 Paris, France
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39
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Application of immobilized ATP to the study of NLRP inflammasomes. Arch Biochem Biophys 2019; 670:104-115. [PMID: 30641048 DOI: 10.1016/j.abb.2018.12.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 12/01/2018] [Accepted: 12/17/2018] [Indexed: 01/15/2023]
Abstract
The NLRP proteins are a subfamily of the NOD-like receptor (NLR) innate immune sensors that possess an ATP-binding NACHT domain. As the most well studied member, NLRP3 can initiate the assembly process of a multiprotein complex, termed the inflammasome, upon detection of a wide range of microbial products and endogenous danger signals and results in the activation of pro-caspase-1, a cysteine protease that regulates multiple host defense pathways including cytokine maturation. Dysregulated NLRP3 activation contributes to inflammation and the pathogenesis of several chronic diseases, and the ATP-binding properties of NLRPs are thought to be critical for inflammasome activation. In light of this, we examined the utility of immobilized ATP matrices in the study of NLRP inflammasomes. Using NLRP3 as the prototypical member of the family, P-linked ATP Sepharose was determined to be a highly-effective capture agent. In subsequent examinations, P-linked ATP Sepharose was used as an enrichment tool to enable the effective profiling of NLRP3-biomarker signatures with selected reaction monitoring-mass spectrometry (SRM-MS). Finally, ATP Sepharose was used in combination with a fluorescence-linked enzyme chemoproteomic strategy (FLECS) screen to identify potential competitive inhibitors of NLRP3. The identification of a novel benzo[d]imidazol-2-one inhibitor that specifically targets the ATP-binding and hydrolysis properties of the NLRP3 protein implies that ATP Sepharose and FLECS could be applied other NLRPs as well.
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Kone-Paut I, Georgin-Laviallec S, Galeotti C, Rossi-Semerano L, Hentgen V, Savey L, Saadoun D, Sarrabay G, Touitou I. New data in causes of autoinflammatory diseases. Joint Bone Spine 2018; 86:554-561. [PMID: 30471422 DOI: 10.1016/j.jbspin.2018.11.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2018] [Indexed: 12/13/2022]
Abstract
The spectrum of factors known to mediate autoinflammation has broadened recently to include not only interleukin-1 (IL-1) and interferon, but also abnormalities that impair NF-κB pathway negative regulation. The NF-κB pathway is activated upon contact of a ligand with tumor necrosis factor receptor 1 (TNFR1) and plays a pivotal role in triggering the inflammatory process by producing major cytokines such as IL-1, IL-6, and TNF. Negative regulation of the NF-κB pathway, which is essential to stop the inflammatory process, depends on the level of ubiquitination of the proteins associated with TNFR1 and of other intermediate compounds. A20 and otulin are proteins that influence the level of ubiquitination, and a deficiency in either can result in NF-κB activation with overproduction of pro-inflammatory cytokines. Similar to Behçet's disease, A20 haploinsufficiency manifests as oral and genital ulcers and, more rarely, as uveitis. However, transmission is dominant, symptom onset occurs at a younger age, and severe gastrointestinal involvement is at the forefront of the clinical picture. Clinical presentations are extremely diverse. Over their lifetime, affected patients simultaneously or sequentially experience autoinflammatory and autoimmune manifestations. Mild immune deficiency predominantly affecting humoral responses is less common. Otulin deficiency results in systemic inflammatory manifestations at a very young age, with panniculitis, lipodystrophy, and inflammatory bowel disease. The main differential diagnosis is proteasome-associated autoinflammatory syndrome. The treatment of A20 haploinsufficiency and otulin deficiency is challenging and remains unstandardized. The symptoms respond to high-dose glucocorticoid therapy. TNF antagonists and IL-1 antagonists have shown some measure of efficacy.
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Affiliation(s)
- Isabelle Kone-Paut
- Service de rhumatologie pédiatrique, CHU de Bicêtre, assistance publique hôpitaux de Paris, 94270 Le Kremlin-Bicêtre, France; Université de Paris SUD, 94270 Le Kremlin-Bicêtre, France; Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France.
| | - Sophie Georgin-Laviallec
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Sorbonne Universités, 75006 Paris, France; Service de médecine interne, département hospitalo-universitaire inflammation-immunopathologie-biotherapie (DHU i2B), hôpital Tenon, assistance publique-hôpitaux de Paris (AP-HP), 4, rue de la Chine, 75020 Paris, France; Laboratoire Inserm U_933, 75012 Paris, France
| | - Caroline Galeotti
- Service de rhumatologie pédiatrique, CHU de Bicêtre, assistance publique hôpitaux de Paris, 94270 Le Kremlin-Bicêtre, France; Université de Paris SUD, 94270 Le Kremlin-Bicêtre, France; Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France
| | - Linda Rossi-Semerano
- Service de rhumatologie pédiatrique, CHU de Bicêtre, assistance publique hôpitaux de Paris, 94270 Le Kremlin-Bicêtre, France; Université de Paris SUD, 94270 Le Kremlin-Bicêtre, France; Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France
| | - Véronique Hentgen
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Service de pédiatrie générale, Centre hospitalier de Versailles, 179, rue de Versailles, 78150 Le Chesnay, France
| | - Léa Savey
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Sorbonne Universités, 75006 Paris, France; Service de médecine interne, département hospitalo-universitaire inflammation-immunopathologie-biotherapie (DHU i2B), hôpital Tenon, assistance publique-hôpitaux de Paris (AP-HP), 4, rue de la Chine, 75020 Paris, France; Laboratoire Inserm U_933, 75012 Paris, France
| | - David Saadoun
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Sorbonne Universités, 75006 Paris, France; Département de médecine interne et immunologie clinique, UMR 7211, département hospitalo-universitaire inflammation-immunopathologie-biotherapie (DHU i2B), assistance publique hôpitaux de Paris (AP-HP), groupe hospitalier Pitié-Salpêtrière, 75005, Paris, France; Inserm, UMR_S 959, 75013 Paris, France; CNRS, FRE3632, 75005 Paris, France
| | - Guillaume Sarrabay
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Cellules souches, plasticité cellulaire, médecine régénératrice et immunothérapies, Inserm, Université de Montpellier, 34090 Montpellier, France; Département de génétique médicale, maladies rares et médecine personnalisée, CHU de Montpellier, 34295 Montpellier, France
| | - Isabelle Touitou
- Centre national de référence des maladies auto-inflammatoires et de l'amylose inflammatoire (CEREMAIA), 94270 Le Kremlin-Bicêtre, France; Cellules souches, plasticité cellulaire, médecine régénératrice et immunothérapies, Inserm, Université de Montpellier, 34090 Montpellier, France; Département de génétique médicale, maladies rares et médecine personnalisée, CHU de Montpellier, 34295 Montpellier, France
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Bulatov E, Valiullina A, Sayarova R, Rizvanov A. Promising new therapeutic targets for regulation of inflammation and immunity: RING-type E3 ubiquitin ligases. Immunol Lett 2018; 202:44-51. [PMID: 30099009 DOI: 10.1016/j.imlet.2018.08.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 07/24/2018] [Accepted: 08/08/2018] [Indexed: 02/07/2023]
Abstract
Ubiquitin-proteasome system (UPS) is a primary signaling pathway for regulation of protein turnover and removal of misfolded proteins in eukaryotic cells. Enzymes of the UPS pathway - E1 activating, E2 conjugating, E3 ligating - act together to covalently tag substrate proteins with a chain of ubiquitins, small regulatory proteins. The poly-ubiquitin chain then serves as a recognition motif for 26S proteasome to recognize and degrade the substrate. In recent years UPS has emerged as attractive enzymatic cascade for development of novel therapeutics against various human diseases. Building on the previous success of targeting this pathway in cancer - the broader scientific community is currently looking for ways to elucidate functions of E3 ligases, substrate-specific members of the UPS. RING-type E3 ubiquitin ligases, the largest class of E3s, represent prospective targets for small molecule modulation and their importance is reinforced by ever growing evidence of playing role in non-cancer diseases, primarily associated with inflammatory and immune disorders. In this review, we aim to briefly cover the current knowledge of biological functions of RING-type E3 ligases in inflammation and immunity.
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Affiliation(s)
- Emil Bulatov
- Kazan Federal University, Kazan, Russian Federation.
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Mansour MA. Ubiquitination: Friend and foe in cancer. Int J Biochem Cell Biol 2018; 101:80-93. [PMID: 29864543 DOI: 10.1016/j.biocel.2018.06.001] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 01/05/2023]
Abstract
Dynamic modulation and posttranslational modification of proteins are tightly controlled biological processes that occur in response to physiological cues. One such dynamic modulation is ubiquitination, which marks proteins for degradation via the proteasome, altering their localization, affecting their activity, and promoting or interfering with protein interactions. Hence, ubiquitination is crucial for a plethora of physiological processes, including cell survival, differentiation and innate and adaptive immunity. Similar to kinases, components of the ubiquitination system are often deregulated, leading to a variety of diseases, such as cancer and neurodegenerative disorders. In a context-dependent manner, ubiquitination can regulate both tumor-suppressing and tumor-promoting pathways in cancer. This review outlines how components of the ubiquitination systems (e.g. E3 ligases and deubiquitinases) act as oncogenes or tumor suppressors according to the nature of their substrates. Furthermore, I interrogate how the current knowledge of the differential roles of ubiquitination in cancer lead to technical advances to inhibit or reactivate the components of the ubiquitination system accordingly.
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Affiliation(s)
- Mohammed A Mansour
- Institute of Cancer Sciences, University of Glasgow, United Kingdom; The CRUK Beatson Institute, Glasgow, Switchback Road, G61 1BD, United Kingdom; Biochemistry Division, Department of Chemistry, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
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Bombassaro B, Ignacio-Souza LM, Nunez CE, Razolli DS, Pedro RM, Coope A, Araujo EP, Chaim EA, Velloso LA. A20 deubiquitinase controls PGC-1α expression in the adipose tissue. Lipids Health Dis 2018; 17:90. [PMID: 29678181 PMCID: PMC5909260 DOI: 10.1186/s12944-018-0740-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 04/09/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Peroxisome proliferator-activated receptor γ coactivator- 1alpha (PGC-1α) plays an important role in whole body metabolism and, particularly in glucose homeostasis. Its expression is highly regulated and, small variations in tissue levels can have a major impact in a number of physiological and pathological conditions. Recent studies have shown that the ubiquitin/proteasome system plays a role in the control of PGC-1α degradation. METHODS Here we evaluated the interaction of PGC-1α with the protein A20, which plays a dual-role in the control of the ubiquitin/proteasome system acting as a deubiquitinase and as an E3 ligase. We employed immunoprecipitation, quantitative real-time PCR and immunofluorescence staining to evaluate PGC-1α, A20, PPARγ and ubiquitin in the adipose tissue of humans and mice. RESULTS In distinct sites of the adipose tissue, A20 binds to PGC-1α. At least in the subcutaneous fat of humans and mice the levels of PGC-1α decrease during obesity, while its physical association with A20 increases. The inhibition of A20 leads to a reduction of PGC-1α and PPARγ expression, suggesting that A20 acts as a protective factor against PGC-1α disposal. CONCLUSION We provide evidence that mechanisms regulating PGC-1α ubiquitination are potentially involved in the control of the function of this transcriptional co-activator.
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Affiliation(s)
- Bruna Bombassaro
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Leticia M Ignacio-Souza
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Carla E Nunez
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Daniela S Razolli
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Rafael M Pedro
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Andressa Coope
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Eliana P Araujo
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil
| | - Elinton A Chaim
- Department of Surgery, University of Campinas, Campinas, Brazil
| | - Licio A Velloso
- Laboratory of Cell Signaling, Obesity and Comorbidities Research Center University of Campinas, Campinas, Brazil. .,Laboratory of Cell Signaling, Faculdade de Ciencias Medicas da Universidade Estadual de Campinas, Campinas, SP, 13084 970, Brazil.
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Chen D, Gomes F, Abeykoon D, Lemma B, Wang Y, Fushman D, Fenselau C. Top-Down Analysis of Branched Proteins Using Mass Spectrometry. Anal Chem 2018; 90:4032-4038. [PMID: 29513006 PMCID: PMC6146919 DOI: 10.1021/acs.analchem.7b05234] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Post-translational modifications by the covalent attachment of Rub1 (NEDD8), ubiquitin, SUMO, and other small signaling proteins have profound impacts on the functions and fates of cellular proteins. Investigations of the relationship of these bioactive structures and their functions are limited by analytical methods that are scarce and tedious. A novel strategy is reported here for the analysis of branched proteins by top-down mass spectrometry and illustrated by application to four recombinant proteins and one synthetic peptide modified by covalent bonds with ubiquitin or Rub1. The approach allows an analyte to be recognized as a branched protein; the participating proteins to be identified; the site of conjugation to be defined; and other chemical, native, and recombinant modifications to be characterized. In addition to the high resolution and high accuracy provided by the mass spectrometer, success is based on sample fragmentation by electron-transfer dissociation assisted by collisional activation and on software designed for graphic interpretation and adapted for branched proteins. The strategy allows for structures of unknown, two-component branched proteins to be elucidated directly the first time and can potentially be extended to more complex systems.
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Affiliation(s)
- Dapeng Chen
- University of Maryland , College Park , Maryland 20742 , United States
| | - Fabio Gomes
- University of Maryland , College Park , Maryland 20742 , United States
| | - Dulith Abeykoon
- University of Maryland , College Park , Maryland 20742 , United States
| | - Betsegaw Lemma
- University of Maryland , College Park , Maryland 20742 , United States
| | - Yan Wang
- University of Maryland , College Park , Maryland 20742 , United States
| | - David Fushman
- University of Maryland , College Park , Maryland 20742 , United States
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Awad F, Assrawi E, Louvrier C, Jumeau C, Georgin-Lavialle S, Grateau G, Amselem S, Giurgea I, Karabina SA. Inflammasome biology, molecular pathology and therapeutic implications. Pharmacol Ther 2018; 187:133-149. [PMID: 29466702 DOI: 10.1016/j.pharmthera.2018.02.011] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Inflammasomes are intracellular multiprotein signaling complexes, mainly present in myeloid cells. They commonly assemble around a cytoplasmic receptor of the nucleotide-binding leucine-rich repeat containing receptor (NLR) family, although other cytoplasmic receptors like pyrin have been shown to form inflammasomes. The nucleation of the multiprotein scaffolding platform occurs upon detection of a microbial, a danger or a homeostasis pattern by the receptor that will, most commonly, associate with the adaptor protein ASC (apoptosis-associated speck-like protein containing a CARD) through homotypic domain interactions resulting in recruitment of procaspase-1. This will lead to the autoproteolytic activation of caspase-1, which regulates the secretion of proinflammatory IL1β and IL18 cytokines and pyroptosis, a caspase-1-mediated form of cell death. Pyroptosis occurs through cleavage of Gasdermin D, a membrane pore forming protein. Recently, non-canonical inflammasomes have been described, which directly sense intracellular pathogens through caspase-4 and -5 in humans, leading to pyroptosis. Inflammasomes are important in host defense; however, a deregulated activity is associated with a number of inflammatory, immune and metabolic disorders. Furthermore, mutations in inflammasome receptor coding genes are causal for an increasing number of rare autoinflammatory diseases. Biotherapies targeting the products of inflammasome activation as well as molecules that directly or indirectly inhibit inflammasome nucleation and activation are promising therapeutic areas. This review discusses recent advances in inflammasome biology, the molecular pathology of several inflammasomes, and current therapeutic approaches in autoinflammatory diseases and in selected common multifactorial inflammasome-mediated disorders.
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Affiliation(s)
- Fawaz Awad
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France
| | - Eman Assrawi
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France
| | - Camille Louvrier
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France
| | - Claire Jumeau
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France
| | - Sophie Georgin-Lavialle
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Hôpital Tenon, Service de Médecine interne, Paris, F-75012, France
| | - Gilles Grateau
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Hôpital Tenon, Service de Médecine interne, Paris, F-75012, France
| | - Serge Amselem
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France.
| | - Irina Giurgea
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France.
| | - Sonia-Athina Karabina
- Sorbonne Université, INSERM, UMR_S 933, Assistance Publique Hôpitaux de Paris, Département de Génétique médicale, Hôpital Trousseau, Paris, F-75012, France.
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