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Jacob TV, Doshi GM. New Promising Routes in Peptic Ulcers: Toll-like Receptors and Semaphorins. Endocr Metab Immune Disord Drug Targets 2024; 24:865-878. [PMID: 37605412 DOI: 10.2174/1871530323666230821102718] [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: 12/03/2022] [Revised: 07/09/2023] [Accepted: 07/12/2023] [Indexed: 08/23/2023]
Abstract
Peptic ulcers (PU) are one of the commonest yet problematic diseases found to be existing in the majority of the population. Today, drugs from a wide range of therapeutic classes are available for the management of the disease. Still, the complications of the condition are difficult to tackle and the side effect profile is quite a concern. The literature indicates that Toll-like receptors (TLRs) and Semaphorins (SEMAs) have been under study for their various pharmacological actions over the past few decades. Both these signalling pathways are found to regulate immunological and inflammatory responses. Moreover, receptors and signalling molecules from the family of TLRs and SEMAs are found to have bacterial recognition and antibacterial properties which are essential in eradicating Helicobacter pylori (H. pylori), one of the major causative agents of PU. Our understanding of SEMAs, a class of proteins involved in cell signalling, is relatively less developed compared to TLRs, another class of proteins involved in the immune response. SEMAs and TLRs play different roles in biological processes, with SEMAs primarily involved in guiding cell migration and axon guidance during development, while TLRs are responsible for recognizing pathogens and initiating an immune response. Here, in this review, we will discuss in detail the signalling cascade of TLRs and SEMAs and thereby understand its association with PU for future therapeutic targeting. The review also aims at providing an overview of the study that has been into exploring the role of these signalling pathways in the management of PU.
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Affiliation(s)
- Teresa V Jacob
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, V.M. Road, Vile Parle (W), Mumbai, 400056, India
| | - Gaurav M Doshi
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, V.M. Road, Vile Parle (W), Mumbai, 400056, India
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2
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Li Q, Li S, Xu C, Zhao J, Hou L, Jiang F, Zhu Z, Wang Y, Tian L. microRNA-149-5p mediates the PM 2.5-induced inflammatory response by targeting TAB2 via MAPK and NF-κB signaling pathways in vivo and in vitro. Cell Biol Toxicol 2023; 39:703-717. [PMID: 34331613 DOI: 10.1007/s10565-021-09638-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 07/13/2021] [Indexed: 12/11/2022]
Abstract
Epidemiological evidence has shown that fine particulate matter (PM2.5)-triggered inflammatory cascades are pivotal causes of chronic obstructive pulmonary disease (COPD). However, the specific molecular mechanism involved in PM2.5-induced COPD has not been clarified. Herein, we found that PM2.5 significantly downregulated miR-149-5p and activated the mitogen-activated protein kinase (MAPK) and nuclear factor-kappa B (NF-κB) signaling pathways and generated the inflammatory response in COPD mice and in human bronchial epithelial (BEAS-2B) cells. We determined that increased expression of interleukin-1β (IL-1β), IL-6, IL-8, and tumor necrosis factor-α (TNF-α) induced by PM2.5 was associated with decreased expression of miR-149-5p. The loss- and gain-of-function approach further confirmed that miR-149-5p could inhibit PM2.5-induced cell inflammation in BEAS-2B cells. The double luciferase reporter assay showed that miR-149-5p directly targeted TGF-beta-activated kinase 1 binding protein 2 (TAB2), which regulates the MAPK and NF-κB signaling pathways. We showed that miR-149-5p mediated the inflammatory response by targeting the 3'-UTR sequence of TAB2 and that it subsequently weakened the TAB2 promotor effect via the MAPK and NF-κB signaling pathways in BEAS-2B cells exposed to PM2.5. Thus, miR-149-5p may be a key factor in PM2.5-induced COPD. This study improves our understanding of the molecular mechanism of COPD.
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Affiliation(s)
- Qiuyue Li
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Siling Li
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Chunjie Xu
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Jing Zhao
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Lin Hou
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Fuyang Jiang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Zhonghui Zhu
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China.
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
| | - Yan Wang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China.
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
| | - Lin Tian
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, No. 10, Xitoutiao Youanmen Street, Beijing, 100069, China.
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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3
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Bock FJ, Riley JS. When cell death goes wrong: inflammatory outcomes of failed apoptosis and mitotic cell death. Cell Death Differ 2023; 30:293-303. [PMID: 36376381 PMCID: PMC9661468 DOI: 10.1038/s41418-022-01082-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Apoptosis is a regulated cellular pathway that ensures that a cell dies in a structured fashion to prevent negative consequences for the tissue or the organism. Dysfunctional apoptosis is a hallmark of numerous pathologies, and treatments for various diseases are successful based on the induction of apoptosis. Under homeostatic conditions, apoptosis is a non-inflammatory event, as the activation of caspases ensures that inflammatory pathways are disabled. However, there is an increasing understanding that under specific conditions, such as caspase inhibition, apoptosis and the apoptotic machinery can be re-wired into a process which is inflammatory. In this review we discuss how the death receptor and mitochondrial pathways of apoptosis can activate inflammation. Furthermore, we will highlight how cell death due to mitotic stress might be a special case when it comes to cell death and the induction of inflammation.
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Affiliation(s)
- Florian J Bock
- Department of Radiation Oncology (Maastro), GROW School for Oncology and Reproduction, Maastricht University Medical Centre, Maastricht, The Netherlands.
| | - Joel S Riley
- Institute of Developmental Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria.
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4
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Ye B, Chen X, Chen Y, Lin W, Xu D, Fang Z, Chattipakorn N, Huang W, Wang X, Wu G, Liang G. Inhibition of TAK1/TAB2 complex formation by costunolide attenuates obesity cardiomyopathy via the NF-κB signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 108:154523. [PMID: 36332385 DOI: 10.1016/j.phymed.2022.154523] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 10/08/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Chronic and persistent obesity can lead to various complications, including obesity cardiomyopathy. Inhibition of the inflammatory response is an effective measure for the intervention of obesity cardiomyopathy. Numerous studies indicate that costunolide (Cos) can reduce inflammation. However, the role of Cos in obesity cardiomyopathy and its molecular targets remains unknown. HYPOTHESIS/PURPOSE We aimed to clarify potential cardioprotective effects and mechanism of Cos against obesity cardiomyopathy. METHODS The model of obesity cardiomyopathy was established by feeding mice with a high-fat diet for 24 weeks. Cos at 10 and 20 mg/kg or vehicle (1% CMCNa solution) was administered once every two days via oral gavage from the 17th to 24th week. Body weight, heart weight/tibia length, cardiac function, myocardial injury markers, pathological morphology of the heart, hypertrophic and fibrotic markers, inflammatory factors were assessed. The targets of Cos were predicted through molecular docking. Pull-down assay and biolayer interferometry were used to confirm the target of Cos. RESULTS Cos effectively reduces obesity-induced cardiomyocyte inflammation, cardiac hypertrophy and fibrosis, thereby improving cardiac function. We confirmed that Cos can interact with TAK1 and inhibit downstream NF-κB pathway activation by blocking the formation of the TAK1/TAB2 complex, thus inhibiting inflammatory cytokine release in cardiomyocytes. CONCLUSION Our results demonstrated that Cos significantly improved myocardial remodeling and cardiac dysfunction against obesity cardiomyopathy by reducing myocardial inflammation. Therefore, Cos may serve as a promising therapeutic agent in obesity cardiomyopathy.
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Affiliation(s)
- Bozhi Ye
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xudong Chen
- Department of Cardiology, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang, 315000, China
| | - Yanghao Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Wante Lin
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Diyun Xu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Zimin Fang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Weijian Huang
- Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xu Wang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Gaojun Wu
- Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Department of Cardiology and the Key Laboratory of Cardiovascular Disease of Wenzhou, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China.
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Luo J, Wu F, Liu W, Ren Q, Diao P, Guan G, Luo J, Yin H, Liu G. A Novel MicroRNA and the Target Gene TAB2 Can Regulate the Process of Sucking Blood in and the Spawn Rate of Hyalomma asiaticum (Acari: Ixodidae) Ticks. Front Immunol 2022; 13:930532. [PMID: 35865515 PMCID: PMC9294593 DOI: 10.3389/fimmu.2022.930532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/14/2022] [Indexed: 01/10/2023] Open
Abstract
Ticks are blood-sucking parasites that are harmful to humans and animals. MicroRNAs are a class of conserved small noncoding RNAs that play regulatory roles in the expression of many genes at the posttranscriptional level. Here, a novel miRNA (nov-miR-17) was identified from a small RNA data library of Hyalomma asiaticum by next-generation sequencing. PCR was used to obtain precursor nov-miR-17 by RACE using mature loop primers. The secondary structure was predicted with UNAFold. The interaction of nov-miR-17 with its target gene TAB2 was predicted using RNAhybrid software and identified in vitro by luciferase assays. Moreover, the interaction was confirmed in vivo by phenotype rescue experiments in which dsTAB2 was used for RNA interference (RNAi) and an antagomir of nov-miR-17 was used for miRNA silencing. The expression levels of nov-miR-17 and TAB2 in ticks at different developmental stages and the expression of nov-miR-17 in different tissues were analyzed by real-time qPCR. All data were analyzed using GraphPad Prism version 5. Results: The results showed that TAB2 was a target gene of nov-miR-17. When the blood-sucking process of larval, nymph and adult ticks was prolonged, the expression of nov-miR-17 was decreased, and TAB2 expression was increased. However, the level of nov-miR-17 in the midgut of engorged ticks was highest at all stages. Therefore, nov-miR-17 plays an important role in the blood-sucking process. The overexpression of nov-miR-17 indicated that this miRNA affected the engorged weight (P < 0.001) and spawn rate (P < 0.001) of female ticks. RNAi of TAB2 also had the same effect. dsRNA not only impacted the weight (P < 0.01) but also reduced the spawn rate (P < 0.001) of the ticks. Furthermore, significant recovery was observed in nov-miR-17-silenced ticks after TAB2 silencing by RNAi. nov-miR-17 silencing by antagomir not only impacted the engorged weight of the female ticks (P < 0.001) but also the number of days that the females needed to progress from engorgement to spawning (P < 0.001). The study showed that nov-miR-17, as a new miRNA, plays an important role along with its target gene TAB2 in the blood-sucking and spawning processes in female ticks.
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Affiliation(s)
- Jin Luo
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Feng Wu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Wenge Liu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Qiaoyun Ren
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Peiwen Diao
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Guiquan Guan
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Jianxun Luo
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
| | - Hong Yin
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonosis, Yangzhou University, Yangzhou, China
- *Correspondence: Guangyuan Liu, ; Hong Yin,
| | - Guangyuan Liu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science, Lanzhou, China
- *Correspondence: Guangyuan Liu, ; Hong Yin,
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6
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Peltzer N, Annibaldi A. Cell Death-Related Ubiquitin Modifications in Inflammatory Syndromes: From Mice to Men. Biomedicines 2022; 10:biomedicines10061436. [PMID: 35740456 PMCID: PMC9219782 DOI: 10.3390/biomedicines10061436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/13/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022] Open
Abstract
Aberrant cell death can cause inflammation and inflammation-related diseases. While the link between cell death and inflammation has been widely established in mouse models, evidence supporting a role for cell death in the onset of inflammatory and autoimmune diseases in patients is still missing. In this review, we discuss how the lessons learnt from mouse models can help shed new light on the initiating or contributing events leading to immune-mediated disorders. In addition, we discuss how multiomic approaches can provide new insight on the soluble factors released by dying cells that might contribute to the development of such diseases.
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Affiliation(s)
- Nieves Peltzer
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Robert-Koch-Strasse 21, 50931 Köln, Germany
- Department of Translational Genomics, University of Cologne, Weyertal 115b, 50931 Köln, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD) Research Center, University of Cologne, Joseph-Steltzmann-Strasse 26, 50931 Köln, Germany
- Correspondence: (N.P.); (A.A.)
| | - Alessandro Annibaldi
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Robert-Koch-Strasse 21, 50931 Köln, Germany
- Correspondence: (N.P.); (A.A.)
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Yin H, Guo X, Chen Y, Zeng Y, Mo X, Hong S, He H, Li J, Steinmetz R, Liu Q. TAB2 deficiency induces dilated cardiomyopathy by promoting RIPK1-dependent apoptosis and necroptosis. J Clin Invest 2022; 132:152297. [PMID: 34990405 PMCID: PMC8843707 DOI: 10.1172/jci152297] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 01/04/2022] [Indexed: 02/01/2023] Open
Abstract
Mutations in TGF-β-activated kinase 1 binding protein 2 (TAB2) have been implicated in the pathogenesis of dilated cardiomyopathy and/or congenital heart disease in humans, but the underlying mechanisms are currently unknown. Here, we identified an indispensable role for TAB2 in regulating myocardial homeostasis and remodeling by suppressing receptor-interacting protein kinase 1 (RIPK1) activation and RIPK1-dependent apoptosis and necroptosis. Cardiomyocyte-specific deletion of Tab2 in mice triggered dilated cardiomyopathy with massive apoptotic and necroptotic cell death. Moreover, Tab2-deficient mice were also predisposed to myocardial injury and adverse remodeling after pathological stress. In cardiomyocytes, deletion of TAB2 but not its close homolog TAB3 promoted TNF-α-induced apoptosis and necroptosis, which was rescued by forced activation of TAK1 or inhibition of RIPK1 kinase activity. Mechanistically, TAB2 critically mediates RIPK1 phosphorylation at Ser321 via a TAK1-dependent mechanism, which prevents RIPK1 kinase activation and the formation of RIPK1-FADD-caspase-8 apoptotic complex or RIPK1-RIPK3 necroptotic complex. Strikingly, genetic inactivation of RIPK1 with Ripk1-K45A knockin effectively rescued cardiac remodeling and dysfunction in Tab2-deficient mice. Together, these data demonstrated that TAB2 is a key regulator of myocardial homeostasis and remodeling by suppressing RIPK1-dependent apoptosis and necroptosis. Our results also suggest that targeting RIPK1-mediated cell death signaling may represent a promising therapeutic strategy for TAB2 deficiency-induced dilated cardiomyopathy.
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Affiliation(s)
- Haifeng Yin
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Xiaoyun Guo
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Yi Chen
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Yachang Zeng
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Xiaoliang Mo
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Siqi Hong
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Hui He
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Jing Li
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Rachel Steinmetz
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
| | - Qinghang Liu
- Department of Physiology and Biophysics, University of Washington, Seattle, Washington, USA
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8
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gga-miR-142-3p negatively regulates Mycoplasma gallisepticum (HS strain)-induced inflammatory cytokine production via the NF-κB and MAPK signaling by targeting TAB2. Inflamm Res 2021; 70:1217-1231. [PMID: 34554275 DOI: 10.1007/s00011-021-01499-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/21/2021] [Accepted: 09/02/2021] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVE Mycoplasma gallisepticum (MG), a notorious avian pathogen, leads to considerable economic losses in the poultry industry. MG infection is characterized by severe, uncontrollable inflammation and host DNA damage. Micro ribonucleic acids (miRNAs) have emerged as important regulators in microbial pathogenesis. However, the role of miRNAs in MG infection is poorly characterized. In this study, we validated the functional roles of gga-miR-142-3p. METHODS The relative expression of gga-miR-142-3p in the lungs of the MG-infected chicken embryos and the MG-infected chicken embryonic fibroblast cell line (DF-1) was determined by reverse transcription quantitative real-time PCR analysis. Bioinformatics database was used to analysis the target gene of gga-miR-142-3p. The luciferase reporter assay as well as gene expression analysis were conducted to validate the target gene. To further explore the biological functions of gga-miR-142-3p upon MG infection, the cell proliferation was quantified using Cell Counting Kit-8 (CCK-8). Meanwhile, cell cycle analysis and apoptosis were measured using a flow cytometer. RESULTS gga-miR-142-3p was significantly upregulated in both MG-infected chicken-embryo lungs and the DF-1 cells. gga-miR-142-3p over expression significantly downregulated the expression of pro-inflammatory cytokines, including interleukin-1β, interleukin-6 and tumor necrosis factor alpha after MG infection. Meanwhile, gga-miR-142-3p enhanced the host defense against MG infection by facilitating cell proliferation, promoting cell progression and inhibiting cell apoptosis. Interestingly, TAB2 knockdown groups show similar results, whereas, TAB2 over-expression groups and gga-miR-142-3p inhibitor groups had thoroughly opposite results. The expression of p-p65 in nuclear factor kappa B (NF-κB) and p-p38 in the mitogen-activated protein kinase (MAPK) pathway was decreased when gga-miR-142-3p was over-expressed. CONCLUSION Upon MG infection, upregulation of gga-miR-142-3p alleviates inflammation by negatively regulating the signaling pathways of NF-κB and MAPKs by targeting TAB2 and facilitates cell proliferation by inhibiting cell apoptosis and promoting cell cycle progression to defend against MG infection.
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9
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Gu Z, Chen X, Yang W, Qi Y, Yu H, Wang X, Gong Y, Chen Q, Zhong B, Dai L, Qi S, Zhang Z, Zhang H, Hu H. The SUMOylation of TAB2 mediated by TRIM60 inhibits MAPK/NF-κB activation and the innate immune response. Cell Mol Immunol 2021; 18:1981-1994. [PMID: 33184450 PMCID: PMC8322076 DOI: 10.1038/s41423-020-00564-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 09/27/2020] [Indexed: 02/05/2023] Open
Abstract
Activation of the TAK1 signalosome is crucial for mediating the innate immune response to pathogen invasion and is regulated by multiple layers of posttranslational modifications, including ubiquitination, SUMOylation, and phosphorylation; however, the underlying molecular mechanism is not fully understood. In this study, TRIM60 negatively regulated the formation and activation of the TAK1 signalosome. Deficiency of TRIM60 in macrophages led to enhanced MAPK and NF-κB activation, accompanied by elevated levels of proinflammatory cytokines but not IFN-I. Immunoprecipitation-mass spectrometry assays identified TAB2 as the target of TRIM60 for SUMOylation rather than ubiquitination, resulting in impaired formation of the TRAF6/TAB2/TAK1 complex and downstream MAPK and NF-κB pathways. The SUMOylation sites of TAB2 mediated by TRIM60 were identified as K329 and K562; substitution of these lysines with arginines abolished the SUMOylation of TAB2. In vivo experiments showed that TRIM60-deficient mice showed an elevated immune response to LPS-induced septic shock and L. monocytogenes infection. Our data reveal that SUMOylation of TAB2 mediated by TRIM60 is a novel mechanism for regulating the innate immune response, potentially paving the way for a new strategy to control antibacterial immune responses.
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Affiliation(s)
- Zhiwen Gu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xueying Chen
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Wenyong Yang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Yu Qi
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Hui Yu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xiaomeng Wang
- Department of Virology, College of Life Sciences, Department of Immunology, Medical Research Institute, Wuhan University, Wuhan, 430072, China
| | - Yanqiu Gong
- Department of General Practice and Lab of PTM, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Qianqian Chen
- Department of Urology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Bo Zhong
- Department of Virology, College of Life Sciences, Department of Immunology, Medical Research Institute, Wuhan University, Wuhan, 430072, China
| | - Lunzhi Dai
- Department of General Practice and Lab of PTM, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Shiqian Qi
- Department of Urology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Zhiqiang Zhang
- Immunobiology and Transplant Science Center, Houston Methodist Hospital, Houston, TX, USA, 77030.
| | - Huiyuan Zhang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
| | - Hongbo Hu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
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10
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Wu W, Wang X, Berleth N, Deitersen J, Wallot-Hieke N, Böhler P, Schlütermann D, Stuhldreier F, Cox J, Schmitz K, Seggewiß S, Peter C, Kasof G, Stefanski A, Stühler K, Tschapek A, Gödecke A, Stork B. The Autophagy-Initiating Kinase ULK1 Controls RIPK1-Mediated Cell Death. Cell Rep 2021; 31:107547. [PMID: 32320653 DOI: 10.1016/j.celrep.2020.107547] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 06/04/2019] [Accepted: 03/31/2020] [Indexed: 12/19/2022] Open
Abstract
Autophagy, apoptosis, and necroptosis are stress responses governing the ultimate fate of a cell. However, the crosstalk between these cellular stress responses is not entirely understood. Especially, it is not clear whether the autophagy-initiating kinase ULK1 and the cell-death-regulating kinase RIPK1 are involved in this potential crosstalk. Here, we identify RIPK1 as a substrate of ULK1. ULK1-dependent phosphorylation of RIPK1 reduces complex IIb/necrosome assembly and tumor necrosis factor (TNF)-induced cell death, whereas deprivation of ULK1 enhances TNF-induced cell death. We observe that ULK1 phosphorylates multiple sites of RIPK1, but it appears that especially phosphorylation of S357 within the intermediate domain of RIPK1 mediates this cell-death-inhibiting effect. We propose that ULK1 is a regulator of RIPK1-mediated cell death.
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Affiliation(s)
- Wenxian Wu
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Xiaojing Wang
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Niklas Berleth
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jana Deitersen
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Nora Wallot-Hieke
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Philip Böhler
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - David Schlütermann
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Fabian Stuhldreier
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Jan Cox
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Katharina Schmitz
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Sabine Seggewiß
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Christoph Peter
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Gary Kasof
- Cell Signaling Technology, Danvers, MA 01923, USA
| | - Anja Stefanski
- Molecular Proteomics Laboratory, BMFZ, Heinrich Heine University, Düsseldorf, Germany
| | - Kai Stühler
- Molecular Proteomics Laboratory, BMFZ, Heinrich Heine University, Düsseldorf, Germany
| | - Astrid Tschapek
- Institute of Cardiovascular Physiology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Axel Gödecke
- Institute of Cardiovascular Physiology, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Björn Stork
- Institute of Molecular Medicine I, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany.
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11
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Yang G, Wang B, Sun D, Wang H, Chen M, Chen H, Zhu B. Genetic association study between TAB2 polymorphisms and noise-induced-hearing-loss in a Han Chinese population. PLoS One 2021; 16:e0251090. [PMID: 33974633 PMCID: PMC8112696 DOI: 10.1371/journal.pone.0251090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/19/2021] [Indexed: 11/18/2022] Open
Abstract
Noise-induced-hearing-loss(NIHL) is a common occupational disease caused by various environmental and biological factors. To investigate the association between TAB2 and the susceptibility of NIHL of people exposed to occupational environments, a genetic association study was performed on selected companies with 588 cases and 537 healthy control subjects. Five selected single nucleotide polymorphisms (SNPs) in TAB2,incoluding rs2744434, rs521845, rs652921, rs7896, rs9485372, were genotyped after a collection of DNA samples. Evident differences in participants between the case group and the control group reveals the result that people with the TAB2 has a high probability of getting NIHL. The results show that rs521845 is deeply associated with the risk of NIHL and is available for the diagnosis in the future.
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Affiliation(s)
- Guangzhi Yang
- School of Public Health, Southeast University, Nanjing, Jiangsu, China
- Department of Prevention and Control for Occupational Disease, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, Jiangsu, China
| | - Boshen Wang
- School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Dawei Sun
- School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Huimin Wang
- School of Public Health, Southeast University, Nanjing, Jiangsu, China
| | - Mengyao Chen
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hao Chen
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Baoli Zhu
- School of Public Health, Southeast University, Nanjing, Jiangsu, China
- Department of Prevention and Control for Occupational Disease, Jiangsu Provincial Center for Disease Prevention and Control, Nanjing, Jiangsu, China
- * E-mail:
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12
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Yu H, Lin L, Zhang Z, Zhang H, Hu H. Targeting NF-κB pathway for the therapy of diseases: mechanism and clinical study. Signal Transduct Target Ther 2020; 5:209. [PMID: 32958760 PMCID: PMC7506548 DOI: 10.1038/s41392-020-00312-6] [Citation(s) in RCA: 743] [Impact Index Per Article: 185.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 02/05/2023] Open
Abstract
NF-κB pathway consists of canonical and non-canonical pathways. The canonical NF-κB is activated by various stimuli, transducing a quick but transient transcriptional activity, to regulate the expression of various proinflammatory genes and also serve as the critical mediator for inflammatory response. Meanwhile, the activation of the non-canonical NF-κB pathway occurs through a handful of TNF receptor superfamily members. Since the activation of this pathway involves protein synthesis, the kinetics of non-canonical NF-κB activation is slow but persistent, in concordance with its biological functions in the development of immune cell and lymphoid organ, immune homeostasis and immune response. The activation of the canonical and non-canonical NF-κB pathway is tightly controlled, highlighting the vital roles of ubiquitination in these pathways. Emerging studies indicate that dysregulated NF-κB activity causes inflammation-related diseases as well as cancers, and NF-κB has been long proposed as the potential target for therapy of diseases. This review attempts to summarize our current knowledge and updates on the mechanisms of NF-κB pathway regulation and the potential therapeutic application of inhibition of NF-κB signaling in cancer and inflammatory diseases.
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Affiliation(s)
- Hui Yu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Liangbin Lin
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Zhiqiang Zhang
- Immunobiology and Transplant Science Center, Houston Methodist Hospital, Houston, TX, 77030, USA
| | - Huiyuan Zhang
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China.
| | - Hongbo Hu
- Department of Rheumatology and Immunology, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, China.
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13
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Annibaldi A, Walczak H. Death Receptors and Their Ligands in Inflammatory Disease and Cancer. Cold Spring Harb Perspect Biol 2020; 12:a036384. [PMID: 31988141 PMCID: PMC7461759 DOI: 10.1101/cshperspect.a036384] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
On binding to their cognate ligands, death receptors can initiate a cascade of events that can result in two distinct outcomes: gene expression and cell death. The study of three different death receptor-ligand systems, the tumor necrosis factor (TNF)-TNF receptor 1 (TNFR1), the CD95L-CD95, and the TNF-related apoptosis-inducing ligand (TRAIL)-TRAIL-R1/2 system, has drawn the attention of generations of scientists over the past 50 years. This scientific journey, as often happens in science, has been anything but a straight line to success and discoveries in this field were often made by serendipity, catching the scientists by surprise. However, as Louis Pasteur pointed out, luck prefers the prepared mind. It is therefore not surprising that the most impactful discovery of the field to date, the fact that TNF inhibition serves as an effective treatment for several inflammatory and autoimmune diseases, has been like this. Luckily, the scientists who made this discovery were prepared and, most importantly, determined to harness their discovery for therapeutic benefit. Today's research on these death receptor-ligand systems has led to the discovery of a causal link between cell death induced by a variety of these systems and inflammation. In this review, we explain why we predict that therapeutic exploitation of this discovery may profoundly impact the future treatment of inflammatory disease and cancer.
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Affiliation(s)
- Alessandro Annibaldi
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Henning Walczak
- Center for Biochemistry, University of Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
- Centre for Cell Death, Cancer, and Inflammation (CCCI), UCL Cancer Institute, University College, London WC1E 6BT, United Kingdom
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14
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Zhang T, Sun J, Cheng J, Yin W, Li J, Miller H, Herrada AA, Gu H, Song H, Chen Y, Gong Q, Liu C. The role of ubiquitinase in B cell development and function. J Leukoc Biol 2020; 109:395-405. [PMID: 32816356 DOI: 10.1002/jlb.1mr0720-185rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 11/10/2022] Open
Abstract
Ubiquitinases are a select group of enzymes that modify target proteins through ubiquitination, which plays a crucial role in the regulation of protein degradation, location, and function. B lymphocytes that originated from bone marrow hematopoietic stem cells (HSC), exert humoral immune functions by differentiating into plasma cells and producing antibodies. Previous studies have shown that ubiquitination is involved in the regulation of the cell cycle and signal transduction important for B lymphocyte development and function. In this review, how ubiquitinases regulate B cell development, activation, apoptosis, and proliferation is discussed, which could help in understanding the physiological processes and diseases related to B cells and also provides potential new targets for further studies.
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Affiliation(s)
- Tong Zhang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianxuan Sun
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiali Cheng
- Department of hematology, Tongji Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Yin
- Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingwen Li
- Department of hematology, Wuhan Union Hospital, Tongji Medical college, Huazhong University of Science and Technology, Wuhan, China
| | - Heather Miller
- Department of Intracellular Pathogens, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | - Andrés A Herrada
- Lymphatic and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Heng Gu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongmei Song
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No 1, Shuaifuyuan, Dongcheng District, Beijing, China
| | - Yan Chen
- The Second Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Quan Gong
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, China
| | - Chaohong Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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15
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Kumari A, Prasad DN, Kumar S, Singh RK. Clinical Benefits of Switching from Original Infliximab to its Biosimilar (CT-P13) as a Potential TNF-α Inhibitor. JOURNAL OF EXPLORATORY RESEARCH IN PHARMACOLOGY 2020; 000:1-9. [DOI: 10.14218/jerp.2020.00004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Sheng C, Wang Z, Yao C, Chen HM, Kan G, Wang D, Chen H, Chen S. CALML6 Controls TAK1 Ubiquitination and Confers Protection against Acute Inflammation. THE JOURNAL OF IMMUNOLOGY 2020; 204:3008-3018. [PMID: 32303555 DOI: 10.4049/jimmunol.1901042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 03/27/2020] [Indexed: 11/19/2022]
Abstract
Proper regulation of innate immune response is important for individual health. The NF-κB signaling pathway plays crucial roles in innate immunity and inflammation, and its aberrant activation is implicated in diverse diseases and disorders. In this study, we report that calmodulin-like 6 (CALML6), a member of the EF-hand protein family, is a negative regulator of the NF-κB signaling pathway. CALML6 attenuated TNF-stimulated phosphorylation of proteins downstream of TGF-β-activated kinase 1 (TAK1) and inhibited TAK1-induced NF-κB activation. Further studies showed that CALML6 interacted with TAK1 and recruited the deubiquitylating enzyme cylindromatosis to repress the K63-linked polyubiquitination of TAK1. CALML6 transgenic mice had higher tolerances to lethal LPS treatment in vivo. These findings suggest that CALML6 is a negative regulator of the NF-κB signaling pathway, which is important for maintaining the balance of the innate immune response.
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Affiliation(s)
- Chunjie Sheng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Ziyang Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Chen Yao
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Hui-Ming Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Guangyan Kan
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Dan Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
| | - Hongyuan Chen
- Department of Pathogen Biology and Immunology, School of Basic Course, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, People's Republic of China
| | - Shuai Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong 510060, People's Republic of China; and
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17
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Braun H, Staal J. Stabilization of the TAK1 adaptor proteins TAB2 and TAB3 is critical for optimal NF-κB activation. FEBS J 2020; 287:3161-3164. [PMID: 31997570 DOI: 10.1111/febs.15210] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 01/09/2020] [Indexed: 02/06/2023]
Abstract
TAB2 and TAB3 bind to K63-linked polyubiquitin chains and recruit the critical kinase MAP3K7 (TAK1). The polyubiquitin-recruited TAK1/TAB2/TAB3 complex comes in close proximity with the IKK (IKKα/IKKβ/IKKγ) complex, which is recruited to M1-linked polyubiquitin chains via the IKKγ (NEMO) component. Together, the two complexes activate the NF-κB family of transcription factors. NF-κB transcription factors are critical mediators of pro-inflammatory signals and must be tightly regulated at multiple levels. Recently, it was discovered that one such point of regulation occurs at the level of TAB2 and TAB3 protein stability by the deubiquitinase USP15. Comment on: https://doi.org/10.1111/febs.15202.
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Affiliation(s)
- Harald Braun
- Department of Biomedical Molecular Biology, Ghent University, Belgium.,Unit of Molecular Signal Transduction in Inflammation, VIB-UGent Center for Inflammation Research, VIB, Ghent, Belgium
| | - Jens Staal
- Department of Biomedical Molecular Biology, Ghent University, Belgium.,Unit of Molecular Signal Transduction in Inflammation, VIB-UGent Center for Inflammation Research, VIB, Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Belgium
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18
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Song P, Yang S, Hua H, Zhang H, Kong Q, Wang J, Luo T, Jiang Y. The regulatory protein GADD34 inhibits TRAIL-induced apoptosis via TRAF6/ERK-dependent stabilization of myeloid cell leukemia 1 in liver cancer cells. J Biol Chem 2019; 294:5945-5955. [PMID: 30782845 DOI: 10.1074/jbc.ra118.006029] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 02/09/2019] [Indexed: 02/05/2023] Open
Abstract
GADD34 (growth arrest and DNA damage-inducible gene 34) plays a critical role in responses to DNA damage and endoplasmic reticulum stress. GADD34 has opposing effects on different stimuli-induced cell apoptosis events, but the reason for this is unclear. Here, using immunoblotting analyses and various molecular genetic approaches in HepG2 and SMMC-7721 cells, we demonstrate that GADD34 protects hepatocellular carcinoma (HCC) cells from tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis by stabilizing a BCL-2 family member, myeloid cell leukemia 1 (MCL-1). We found that GADD34 knockdown decreased MCL-1 levels and that GADD34 overexpression up-regulated MCL-1 expression in HCC cells. GADD34 did not affect MCL-1 transcription but enhanced MCL-1 protein stability. The proteasome inhibitor MG132 abrogated GADD34 depletion-induced MCL-1 down-regulation, suggesting that GADD34 inhibits the proteasomal degradation of MCL-1. Furthermore, GADD34 overexpression promoted extracellular signal-regulated kinase (ERK) phosphorylation through a signaling axis that consists of the E3 ubiquitin ligase tumor necrosis factor receptor-associated factor 6 (TRAF6) and transforming growth factor-β-activated kinase 1 (MAP3K7)-binding protein 1 (TAB1), which mediated the up-regulation of MCL-1 by GADD34. Of note, TRAIL up-regulated both GADD34 and MCL-1 levels, and knockdown of GADD34 and TRAF6 suppressed the induction of MCL-1 by TRAIL. Correspondingly, GADD34 knockdown potentiated TRAIL-induced apoptosis, and MCL-1 overexpression rescued TRAIL-treated and GADD34-depleted HCC cells from cell death. Taken together, these findings suggest that GADD34 inhibits TRAIL-induced HCC cell apoptosis through TRAF6- and ERK-mediated stabilization of MCL-1.
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Affiliation(s)
- Peiying Song
- From the State Key Laboratory of Biotherapy, Section of Oncogene, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041
| | - Songpeng Yang
- From the State Key Laboratory of Biotherapy, Section of Oncogene, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041
| | - Hui Hua
- the Laboratory of Stem Cell Biology, West China Hospital, Chengdu 610041
| | - Hongying Zhang
- From the State Key Laboratory of Biotherapy, Section of Oncogene, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041
| | - Qingbin Kong
- From the State Key Laboratory of Biotherapy, Section of Oncogene, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041
| | - Jiao Wang
- the School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075
| | - Ting Luo
- the Cancer Center, West China Hospital, Chengdu 610041, China
| | - Yangfu Jiang
- From the State Key Laboratory of Biotherapy, Section of Oncogene, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041.
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19
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Ng CT, Yu LE, Ong CN, Bay BH, Baeg GH. The use of Drosophila melanogaster as a model organism to study immune-nanotoxicity. Nanotoxicology 2018; 13:429-446. [DOI: 10.1080/17435390.2018.1546413] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Cheng Teng Ng
- Department of Anatomy Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Environmental Research Institute, National University of Singapore, Singapore, Singapore
| | - Liya E Yu
- Department of Civil and Environmental, National University of Singapore, Singapore, Singapore
| | - Choon Nam Ong
- NUS Environmental Research Institute, National University of Singapore, Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Boon Huat Bay
- Department of Anatomy Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Gyeong Hun Baeg
- Department of Anatomy Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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20
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Annibaldi A, Meier P. Checkpoints in TNF-Induced Cell Death: Implications in Inflammation and Cancer. Trends Mol Med 2017; 24:49-65. [PMID: 29217118 DOI: 10.1016/j.molmed.2017.11.002] [Citation(s) in RCA: 177] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 11/13/2017] [Accepted: 11/13/2017] [Indexed: 12/25/2022]
Abstract
Tumor necrosis factor (TNF) is a proinflammatory cytokine that coordinates tissue homeostasis by regulating cytokine production, cell survival, and cell death. However, how life and death decisions are made in response to TNF is poorly understood. Many inflammatory pathologies are now recognized to be driven by aberrant TNF-induced cell death, which, in most circumstances, depends on the kinase Receptor-interacting serine/threonine-protein kinase 1 (RIPK1). Recent advances have identified ubiquitin (Ub)-mediated phosphorylation of RIPK1 as belonging to crucial checkpoints for cell fate in inflammation and infection. A better understanding of these checkpoints might lead to new approaches for the treatment of chronic inflammatory diseases fueled by aberrant RIPK1-induced cell death, and/or reveal novel strategies for anticancer immunotherapies, harnessing the ability of RIPK1 to trigger immunogenic cell death.
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Affiliation(s)
- Alessandro Annibaldi
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, Mary-Jean Mitchell Green Building, Chester Beatty Laboratories, Fulham Road, London, SW3 6JB, UK.
| | - Pascal Meier
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, Mary-Jean Mitchell Green Building, Chester Beatty Laboratories, Fulham Road, London, SW3 6JB, UK.
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21
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Hrdinka M, Gyrd-Hansen M. The Met1-Linked Ubiquitin Machinery: Emerging Themes of (De)regulation. Mol Cell 2017; 68:265-280. [PMID: 29053955 DOI: 10.1016/j.molcel.2017.09.001] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/21/2017] [Accepted: 08/31/2017] [Indexed: 01/24/2023]
Abstract
The linear ubiquitin chain assembly complex, LUBAC, is the only known mammalian ubiquitin ligase that makes methionine 1 (Met1)-linked polyubiquitin (also referred to as linear ubiquitin). A decade after LUBAC was discovered as a cellular activity of unknown function, there are now many lines of evidence connecting Met1-linked polyubiquitin to NF-κB signaling, cell death, inflammation, immunity, and cancer. We now know that Met1-linked polyubiquitin has potent signaling functions and that its deregulation is connected to disease. Indeed, mutations and deficiencies in several factors involved in conjugation and deconjugation of Met1-linked polyubiquitin have been implicated in immune-related disorders. Here, we discuss current knowledge and recent insights into the role and regulation of Met1-linked polyubiquitin, with an emphasis on the mechanisms controlling the function of LUBAC.
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Affiliation(s)
- Matous Hrdinka
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Mads Gyrd-Hansen
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK.
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22
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Schmitz M, Baekelandt S, Bequet S, Kestemont P. Chronic hyperosmotic stress inhibits renal Toll-Like Receptors expression in striped catfish (Pangasianodon hypophthalmus, Sauvage) exposed or not to bacterial infection. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 73:139-143. [PMID: 28344170 DOI: 10.1016/j.dci.2017.03.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 03/22/2017] [Accepted: 03/22/2017] [Indexed: 06/06/2023]
Abstract
Toll-like Receptors (TLRs) are the first innate receptors in recognizing pathogen-associated molecular patterns. In fish, upregulation of toll-like receptors during infection has been largely demonstrated while the effects of abiotic stressors on their expression remain poorly investigated. In this study, striped catfish were submitted during 20 days to three salinity profiles (freshwater, low saline water, saline water), followed by injection of a bacterial strain of Edwardsiella ictaluri. The expression of TLRs 1, 3, 4, 5, 7, 9, 19, 21, and 22 was measured in kidney at different time points in non infected and infected striped catfish. Infection induced overexpression of TLRs 1, 3, 4, 5, 7, 21 and 22. With elevated salinity, the expression of all TLRs, except TLR5, was severely decreased, particularly after bacterial infection. The TLRs responsiveness of striped catfish facing bacterial disease and salinity stress and possible consequences on striped catfish immune response's efficiency are discussed.
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Affiliation(s)
- Mélodie Schmitz
- University of Namur, Research Unit in Environmental and Evolutionary Biology, Namur, Belgium.
| | - Sébastien Baekelandt
- University of Namur, Research Unit in Environmental and Evolutionary Biology, Namur, Belgium
| | - Sandrine Bequet
- University of Namur, Research Unit in Environmental and Evolutionary Biology, Namur, Belgium
| | - Patrick Kestemont
- University of Namur, Research Unit in Environmental and Evolutionary Biology, Namur, Belgium
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23
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Interleukin-1 and TRAF6-dependent activation of TAK1 in the absence of TAB2 and TAB3. Biochem J 2017; 474:2235-2248. [PMID: 28507161 PMCID: PMC5632801 DOI: 10.1042/bcj20170288] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 12/21/2022]
Abstract
Interleukin-1 (IL-1) signaling induces the formation of Lys63-linked ubiquitin (K63-Ub) chains, which are thought to activate the ‘master’ protein kinase TGFβ-activated kinase 1 (TAK1) by interacting with its TAK1-binding 2 (TAB2) and TAB3 subunits. Here, we report that IL-1β can also activate the TAB1–TAK1 heterodimer present in TAB2/TAB3 double knockout (DKO) IL-1 receptor-expressing cells. The IL-1β-dependent activation of the TAB1–TAK1 heterodimer in TAB2/3 DKO cells is required for the expression and E3 ligase activity of tumor necrosis factor receptor-associated factor 6 (TRAF6) and is reduced by the small interfering RNA (siRNA) knockdown of ubiquitin conjugating 13 (Ubc13), an E2-conjugating enzyme that directs the formation of K63-Ub chains. IL-1β signaling was restored to TAB1/2/3 triple KO cells by the re-expression of either TAB1 or TAB2, but not by an ubiquitin binding-defective mutant of TAB2. We conclude that IL-1β can induce the activation of TAK1 in two ways, only one of which requires the binding of K63-Ub chains to TAB2/3. The early IL-1β-stimulated, TAK1-dependent activation of p38α mitogen-activated protein (MAP) kinase and the canonical IκB kinase (IKK) complex, as well as the NF-κB-dependent transcription of immediate early genes, was similar in TAB2/3 DKO cells and TAB2/3-expressing cells. However, in contrast with TAB2/3-expressing cells, IL-1β signaling was transient in TAB2/3 DKO cells, and the activation of c-Jun N-terminal kinase 1 (JNK1), JNK2 and p38γ was greatly reduced at all times. These observations indicate a role for TAB2/3 in directing the TAK1-dependent activation of MAP kinase kinases that switch on JNK1/2 and p38γ MAP kinases. These observations and the transient activation of the TAB1–TAK1 heterodimer may explain why IL-1β-dependent IL-8 mRNA formation was abolished in TAB2/3 DKO cells.
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24
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Gallo LH, Ko J, Donoghue DJ. The importance of regulatory ubiquitination in cancer and metastasis. Cell Cycle 2017; 16:634-648. [PMID: 28166483 PMCID: PMC5397262 DOI: 10.1080/15384101.2017.1288326] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/20/2017] [Accepted: 01/24/2017] [Indexed: 12/26/2022] Open
Abstract
Ubiquitination serves as a degradation mechanism of proteins, but is involved in additional cellular processes such as activation of NFκB inflammatory response and DNA damage repair. We highlight the E2 ubiquitin conjugating enzymes, E3 ubiquitin ligases and Deubiquitinases that support the metastasis of a plethora of cancers. E3 ubiquitin ligases also modulate pluripotent cancer stem cells attributed to chemotherapy resistance. We further describe mutations in E3 ubiquitin ligases that support tumor proliferation and adaptation to hypoxia. Thus, this review describes how tumors exploit members of the vast ubiquitin signaling pathways to support aberrant oncogenic signaling for survival and metastasis.
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Affiliation(s)
- L. H. Gallo
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
| | - J. Ko
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
| | - D. J. Donoghue
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
- Moores UCSD Cancer Center, University of California San Diego, La Jolla, CA, USA
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25
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Lim TG, Jang M, Cho CW, Hong HD, Kim KT, Lee SY, Jung SK, Rhee YK. White ginseng extract induces immunomodulatory effects via the MKK4-JNK pathway. Food Sci Biotechnol 2016; 25:1737-1744. [PMID: 30263469 DOI: 10.1007/s10068-016-0265-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/21/2016] [Accepted: 08/22/2016] [Indexed: 01/17/2023] Open
Abstract
Panax ginseng Meyer (white ginseng) is a popular functional food and its biological effects on the human body have been noted for hundreds of years. In the present study, the underlying mechanisms responsible for the immunomodulatory effects of white ginseng extract (WGE) were investigated. WGE increased NO production via upregulation of iNOS expression levels. Mouse cytokine array results also revealed that the expression of 13 cytokines was elevated by WGE treatment in IFN-γ-primed macrophage cells. Although both MKK4-JNK and MEK-ERK signaling pathways were activated after treatment with WGE, only the MKK4-JNK signaling pathway appears to have any significant immunomodulatory significance. Oral administration of WGE for 28 days recovered cyclophosphamide (CY)-induced suppression of the immune system in mice via the MKK4-JNK pathway. Taken together, these findings suggest that the MKK4-JNK signaling pathway is a crucial mechanism of WGE-induced immunomodulation.
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Affiliation(s)
- Tae-Gyu Lim
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
| | - Mi Jang
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
| | - Chang-Won Cho
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
| | - Hee-Do Hong
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
| | - Kyung-Tack Kim
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
| | - Sung-Young Lee
- 2The Hormel Institute, University of Minnesota, Austin, MN 55912 USA
| | - Sung Keun Jung
- Korea Food Research Institute, Seongnam, Gyoonggi, 13539 Korea
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26
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Lentucci C, Belkina AC, Cederquist CT, Chan M, Johnson HE, Prasad S, Lopacinski A, Nikolajczyk BS, Monti S, Snyder-Cappione J, Tanasa B, Cardamone MD, Perissi V. Inhibition of Ubc13-mediated Ubiquitination by GPS2 Regulates Multiple Stages of B Cell Development. J Biol Chem 2016; 292:2754-2772. [PMID: 28039360 DOI: 10.1074/jbc.m116.755132] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 12/21/2016] [Indexed: 12/12/2022] Open
Abstract
Non-proteolytic ubiquitin signaling mediated by Lys63 ubiquitin chains plays a critical role in multiple pathways that are key to the development and activation of immune cells. Our previous work indicates that GPS2 (G-protein Pathway Suppressor 2) is a multifunctional protein regulating TNFα signaling and lipid metabolism in the adipose tissue through modulation of Lys63 ubiquitination events. However, the full extent of GPS2-mediated regulation of ubiquitination and the underlying molecular mechanisms are unknown. Here, we report that GPS2 is required for restricting the activation of TLR and BCR signaling pathways and the AKT/FOXO1 pathway in immune cells based on direct inhibition of Ubc13 enzymatic activity. Relevance of this regulatory strategy is confirmed in vivo by B cell-targeted deletion of GPS2, resulting in developmental defects at multiple stages of B cell differentiation. Together, these findings reveal that GPS2 genomic and non-genomic functions are critical for the development and cellular homeostasis of B cells.
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Affiliation(s)
| | - Anna C Belkina
- the Flow Cytometry Core Facility, Boston University School of Medicine, Boston, Massachusetts 02118 and.,Microbiology, and
| | | | | | | | | | | | | | | | - Jennifer Snyder-Cappione
- the Flow Cytometry Core Facility, Boston University School of Medicine, Boston, Massachusetts 02118 and.,Microbiology, and
| | - Bogdan Tanasa
- the Department of Pediatrics, Stanford University School of Medicine, Stanford, California 94305
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27
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Shinohara H, Yasuda T, Kurosaki T. TAK1 adaptor proteins, TAB2 and TAB3, link the signalosome to B-cell receptor-induced IKK activation. FEBS Lett 2016; 590:3264-9. [DOI: 10.1002/1873-3468.12342] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 01/12/2023]
Affiliation(s)
- Hisaaki Shinohara
- Laboratory for Integrated Cellular Systems; RIKEN Center for Integrative Medical Sciences (IMS-RCAI); Yokohama Kanagawa Japan
| | | | - Tomohiro Kurosaki
- Laboratory for Lymphocyte Differentiation; RIKEN Center for Integrative Medical Sciences (IMS-RCAI); Yokohama Kanagawa Japan
- Laboratory for Lymphocyte Differentiation; Immunology Frontier Research Center; Osaka University; Suita Osaka Japan
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28
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Matsushita N, Suzuki M, Ikebe E, Nagashima S, Inatome R, Asano K, Tanaka M, Matsushita M, Kondo E, Iha H, Yanagi S. Regulation of B cell differentiation by the ubiquitin-binding protein TAX1BP1. Sci Rep 2016; 6:31266. [PMID: 27515252 PMCID: PMC4981851 DOI: 10.1038/srep31266] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 07/15/2016] [Indexed: 11/12/2022] Open
Abstract
Tax1-binding protein 1 (TAX1BP1) is a ubiquitin-binding protein that restricts nuclear factor-κB (NF-κB) activation and facilitates the termination of aberrant inflammation. However, its roles in B-cell activation and differentiation are poorly understood. To evaluate the function of TAX1BP1 in B cells, we established TAX1BP1-deficient DT40 B cells that are hyper-responsive to CD40-induced extracellular signal-regulated kinase (ERK) activation signaling, exhibit prolonged and exaggerated ERK phosphorylation and show enhanced B lymphocyte-induced maturation protein 1 (Blimp-1; a transcription factor inducing plasma cell differentiation) expression that is ERK-dependent. Furthermore, TAX1BP1-deficient cells exhibit significantly decreased surface IgM expression and increased IgM secretion. Moreover, TAX1BP1-deficient mice display reduced germinal center formation and antigen-specific antibody production. These findings show that TAX1BP1 restricts ERK activation and Blimp-1 expression and regulates germinal center formation.
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Affiliation(s)
- Nobuko Matsushita
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Midori Suzuki
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Emi Ikebe
- Department of Microbiology, Oita University Faculty of Medicine, Yufu, Oita, 879-5593, Japan
| | - Shun Nagashima
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Ryoko Inatome
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Kenichi Asano
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Masato Tanaka
- Laboratory of Immune Regulation, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
| | - Masayuki Matsushita
- Department of Molecular and Cellular Physiology, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
| | - Eisaku Kondo
- Division of Molecular and Cellular Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, 951-8510, Japan
| | - Hidekatsu Iha
- Department of Microbiology, Oita University Faculty of Medicine, Yufu, Oita, 879-5593, Japan
| | - Shigeru Yanagi
- Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo, 192-0392, Japan
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29
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Abstract
Ubiquitination has emerged as a crucial mechanism that regulates signal transduction in diverse biological processes, including different aspects of immune functions. Ubiquitination regulates pattern-recognition receptor signaling that mediates both innate immune responses and dendritic cell maturation required for initiation of adaptive immune responses. Ubiquitination also regulates the development, activation, and differentiation of T cells, thereby maintaining efficient adaptive immune responses to pathogens and immunological tolerance to self-tissues. Like phosphorylation, ubiquitination is a reversible reaction tightly controlled by the opposing actions of ubiquitin ligases and deubiquitinases. Deregulated ubiquitination events are associated with immunological disorders, including autoimmune and inflammatory diseases.
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Affiliation(s)
- Hongbo Hu
- Department of Rheumatology and Immunology, State Key Laboratory of Biotherapy & Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shao-Cong Sun
- Department of Immunology, The University of Texas MD Anderson Cancer Center, 7455 Fannin Street, Unit 902, Houston, TX 77030, USA.,The University of Texas Graduate School of Biomedical Sciences, Houston, TX 77030, USA
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30
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Hrdinka M, Fiil BK, Zucca M, Leske D, Bagola K, Yabal M, Elliott PR, Damgaard RB, Komander D, Jost PJ, Gyrd-Hansen M. CYLD Limits Lys63- and Met1-Linked Ubiquitin at Receptor Complexes to Regulate Innate Immune Signaling. Cell Rep 2016; 14:2846-58. [PMID: 26997266 PMCID: PMC4819907 DOI: 10.1016/j.celrep.2016.02.062] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/28/2016] [Accepted: 02/12/2016] [Indexed: 12/23/2022] Open
Abstract
Innate immune signaling relies on the deposition of non-degradative polyubiquitin at receptor-signaling complexes, but how these ubiquitin modifications are regulated by deubiquitinases remains incompletely understood. Met1-linked ubiquitin (Met1-Ub) is assembled by the linear ubiquitin assembly complex (LUBAC), and this is counteracted by the Met1-Ub-specific deubiquitinase OTULIN, which binds to the catalytic LUBAC subunit HOIP. In this study, we report that HOIP also interacts with the deubiquitinase CYLD but that CYLD does not regulate ubiquitination of LUBAC components. Instead, CYLD limits extension of Lys63-Ub and Met1-Ub conjugated to RIPK2 to restrict signaling and cytokine production. Accordingly, Met1-Ub and Lys63-Ub were individually required for productive NOD2 signaling. Our study thus suggests that LUBAC, through its associated deubiquitinases, coordinates the deposition of not only Met1-Ub but also Lys63-Ub to ensure an appropriate response to innate immune receptor activation. CYLD associates with LUBAC via HOIP and limits signaling by NOD2 RIPK2 ubiquitination is regulated by CYLD and OTULIN CYLD trims Lys63 and Met1 linkages conjugated to RIPK2 Productive NOD2 signaling requires Lys63 and Met1 linkages
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Affiliation(s)
- Matous Hrdinka
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Berthe Katrine Fiil
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Mattia Zucca
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Derek Leske
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Katrin Bagola
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - Monica Yabal
- III. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich 81675, Germany
| | - Paul R Elliott
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge CB2 0QH, UK
| | - Rune Busk Damgaard
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK
| | - David Komander
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Francis Crick Avenue, Cambridge CB2 0QH, UK
| | - Philipp J Jost
- III. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich 81675, Germany
| | - Mads Gyrd-Hansen
- Ludwig Institute for Cancer Research, Nuffield Department of Clinical Medicine, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK.
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31
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Zhao Y, Tang Z, Zhu X, Wang X, Wang C, Zhang W, Xia N, Wang S, Huang J, Cui S. TAB3 involves in hepatic insulin resistance through activation of MAPK pathway. Gen Comp Endocrinol 2015; 224:228-34. [PMID: 26320856 DOI: 10.1016/j.ygcen.2015.08.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/24/2015] [Accepted: 08/27/2015] [Indexed: 10/23/2022]
Abstract
Insulin resistance is often accompanied by chronic inflammatory responses. The mitogen-activated protein kinase (MAPK) pathway is rapidly activated in response to many inflammatory cytokines. But the functional role of MAPKs in palmitate-induced insulin resistance has yet to be clarified. In this study, we found that transforming growth factor β-activated kinase binding protein-3 (TAB3) was up-regulated in insulin resistance. Considering the relationship between transforming growth factor β-activated kinase (TAK1) and MAPK pathway, we assumed TAB3 involved in insulin resistance through activation of MAPK pathway. To certify this hypothesis, we knocked down TAB3 in palmitate treated HepG2 cells and detected subsequent biological responses. Importantly, TAB3 siRNA directly reversed insulin sensitivity by improving insulin signal transduction. Moreover, silencing of TAB3 could facilitate hepatic glucose uptake, reverse gluconeogenesis and improve ectopic fat accumulation. Meanwhile, we found that the positive effect of knocking down TAB3 was more significant when insulin resistance occurred. All these results indicate that TAB3 acts as a negative regulator in insulin resistance through activation of MAPK pathway.
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Affiliation(s)
- Yun Zhao
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China; Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, 19 Qixiu Road, Nantong 226001, Jiangsu Province, China
| | - Zhuqi Tang
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China
| | - Xiaohui Zhu
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China
| | - Xueqin Wang
- Department of Endocrinology, Nantong First People's Hospital, 6 Hai'erxiang Road, Nantong 226001, Jiangsu Province, China
| | - Cuifang Wang
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China
| | - Wanlu Zhang
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China; Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, 19 Qixiu Road, Nantong 226001, Jiangsu Province, China
| | - Nana Xia
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China; Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, 19 Qixiu Road, Nantong 226001, Jiangsu Province, China
| | - Suxin Wang
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China; Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, 19 Qixiu Road, Nantong 226001, Jiangsu Province, China
| | - Jieru Huang
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China; Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, 19 Qixiu Road, Nantong 226001, Jiangsu Province, China
| | - Shiwei Cui
- Department of Endocrinology, Affiliated Hospital of Nantong University, 20 Xisi Road, Nantong 226001, Jiangsu Province, China.
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32
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The class II transactivator (CIITA) is regulated by post-translational modification cross-talk between ERK1/2 phosphorylation, mono-ubiquitination and Lys63 ubiquitination. Biosci Rep 2015; 35:BSR20150091. [PMID: 26181363 PMCID: PMC4613680 DOI: 10.1042/bsr20150091] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 06/11/2015] [Indexed: 02/01/2023] Open
Abstract
The class II transactivator (CIITA) is known as the master regulator for the major histocompatibility class II (MHC II) molecules. CIITA is dynamically regulated through a series of intricate post-translational modifications (PTMs). CIITA's role is to initiate transcription of MHC II genes, which are responsible for presenting extracellular antigen to CD4(+) T-cells. In the present study, we identified extracellular signal-regulated kinase (ERK)1/2 as the kinase responsible for phosphorylating the regulatory site, Ser(280), which leads to increased levels of mono-ubiquitination and an overall increase in MHC II activity. Further, we identify that CIITA is also modified by Lys(63)-linked ubiquitination. Lys(63) ubiquitinated CIITA is concentrated in the cytoplasm and following activation of ERK1/2, CIITA phosphorylation occurs and Lys=ubiquitinated CIITA translocates to the nucleus. CIITA ubiquitination and phosphorylation perfectly demonstrates how CIITA location and activity is regulated through PTM cross-talk. Identifying CIITA PTMs and understanding how they mediate CIITA regulation is necessary due to the critical role CIITA has in the initiation of the adaptive immune response.
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33
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Tartey S, Matsushita K, Imamura T, Wakabayashi A, Ori D, Mino T, Takeuchi O. Essential Function for the Nuclear Protein Akirin2 in B Cell Activation and Humoral Immune Responses. THE JOURNAL OF IMMUNOLOGY 2015; 195:519-27. [DOI: 10.4049/jimmunol.1500373] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 05/07/2015] [Indexed: 02/06/2023]
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34
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Liu Y, Yin H, Zhao M, Lu Q. TLR2 and TLR4 in autoimmune diseases: a comprehensive review. Clin Rev Allergy Immunol 2015; 47:136-47. [PMID: 24352680 DOI: 10.1007/s12016-013-8402-y] [Citation(s) in RCA: 265] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Autoimmune diseases are immune disorders characterized by T cell hyperactivity and B cell overstimulation leading to overproduction of autoantibodies. Although the pathogenesis of various autoimmune diseases remains to be elucidated, environmental factors have been thought to contribute to the initiation and maintenance of auto-respond inflammation. Toll-like receptors (TLRs) are pattern recognition receptors belonging to innate immunity that recognize and defend invading microorganisms. Besides these exogenous pathogen-associated molecular patterns, TLRs can also bind with damage-associated molecular patterns produced under strike or by tissue damage or cells apoptosis. It is believed that TLRs build a bridge between innate immunity and autoimmunity. There are five adaptors to TLRs including MyD88, TRIF, TIRAP/MAL, TRAM, and SARM. Upon activation, TLRs recruit specific adaptors to initiate the downstream signaling pathways leading to the production of inflammatory cytokines and chemokines. Under certain circumstances, ligation of TLRs drives to aberrant activation and unrestricted inflammatory responses, thereby contributing to the perpetuation of inflammation in autoimmune diseases. In the past, most studies focused on the intracellular TLRs, such as TLR3, TLR7, and TLR9, but recent studies reveal that cell surface TLRs, especially TLR2 and TLR4, also play an essential role in the development of autoimmune diseases and afford multiple therapeutic targets. In this review, we summarized the biological characteristics, signaling mechanisms of TLR2/4, the negative regulators of TLR2/4 pathway, and the pivotal function of TLR2/4 in the pathogenesis of autoimmune diseases including rheumatoid arthritis, systemic lupus erythematosus, systemic sclerosis, Sjogren's syndrome, psoriasis, multiple sclerosis, and autoimmune diabetes.
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Affiliation(s)
- Yu Liu
- Department of Dermatology, Second Xiangya Hospital, Central South University, #139 Renmin Middle Rd, Changsha, Hunan, 410011, People's Republic of China
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35
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Morgan RE, Chudasama V, Moody P, Smith MEB, Caddick S. A novel synthetic chemistry approach to linkage-specific ubiquitin conjugation. Org Biomol Chem 2015; 13:4165-8. [PMID: 25736233 PMCID: PMC4372856 DOI: 10.1039/c5ob00130g] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 02/24/2015] [Indexed: 11/21/2022]
Abstract
Ubiquitination is of great importance as the post-translational modification of proteins with ubiquitin, or ubiquitin chains, facilitates a number of vital cellular processes. Herein we present a facile method of preparing various ubiquitin conjugates under mild conditions using michael acceptors based on dibromo-maleimides and dibromo-pyridazinediones.
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Affiliation(s)
- Rachel E. Morgan
- Department of Chemistry , University College London , 20 Gordon Street , London , UK . ; Fax: +44 (0)20 7679 7463 ; Tel: +44 (0)20 3108 5071
| | - Vijay Chudasama
- Department of Chemistry , University College London , 20 Gordon Street , London , UK . ; Fax: +44 (0)20 7679 7463 ; Tel: +44 (0)20 3108 5071
| | - Paul Moody
- Department of Chemistry , University College London , 20 Gordon Street , London , UK . ; Fax: +44 (0)20 7679 7463 ; Tel: +44 (0)20 3108 5071
| | - Mark E. B. Smith
- Department of Chemistry , University College London , 20 Gordon Street , London , UK . ; Fax: +44 (0)20 7679 7463 ; Tel: +44 (0)20 3108 5071
| | - Stephen Caddick
- Department of Chemistry , University College London , 20 Gordon Street , London , UK . ; Fax: +44 (0)20 7679 7463 ; Tel: +44 (0)20 3108 5071
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36
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Abstract
Numerous reports have described Toll-like receptor (TLR) functions in myeloid cells such as dendritic cells (DCs) and macrophages, but relatively fewer studies have examined TLR responses in B lymphocytes. B cells express a wide variety of TLRs and are highly activated after TLR ligation, leading to enhancements in B cell survival, surface molecule expression, cytokine and antibody production, and antigen presentation. During an immune response, B cells can receive signals through TLRs as well as the B cell antigen receptor (BCR) and/or CD40. TLR ligation synergizes with signals through these receptors and augments both innate and adaptive immune functions of B lymphocytes. Additionally, targeting B cell TLRs may provide new therapies against certain types of cancer as well as autoimmune diseases. Here, we summarize TLR expression and contributions to both normal and pathogenic functions in mouse and human B cells.
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Affiliation(s)
- Claire M Buchta
- Graduate Program in Immunology, University of Iowa, Iowa City, IA, 52242, USA
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37
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Abstract
Toll-like receptors (TLRs) play crucial roles in the innate immune system by recognizing pathogen-associated molecular patterns derived from various microbes. TLRs signal through the recruitment of specific adaptor molecules, leading to activation of the transcription factors NF-κB and IRFs, which dictate the outcome of innate immune responses. During the past decade, the precise mechanisms underlying TLR signaling have been clarified by various approaches involving genetic, biochemical, structural, cell biological, and bioinformatics studies. TLR signaling appears to be divergent and to play important roles in many aspects of the innate immune responses to given pathogens. In this review, we describe recent progress in our understanding of TLR signaling regulation and its contributions to host defense.
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Affiliation(s)
- Takumi Kawasaki
- Laboratory of Molecular Immunobiology, Graduate School of Biological Sciences, Nara Institute of Science and Technology , Ikoma , Japan
| | - Taro Kawai
- Laboratory of Molecular Immunobiology, Graduate School of Biological Sciences, Nara Institute of Science and Technology , Ikoma , Japan
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38
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TAK1 control of cell death. Cell Death Differ 2014; 21:1667-76. [PMID: 25146924 DOI: 10.1038/cdd.2014.123] [Citation(s) in RCA: 202] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Revised: 07/09/2014] [Accepted: 07/13/2014] [Indexed: 12/15/2022] Open
Abstract
Programmed cell death, a physiologic process for removing cells, is critically important in normal development and for elimination of damaged cells. Conversely, unattended cell death contributes to a variety of human disease pathogenesis. Thus, precise understanding of molecular mechanisms underlying control of cell death is important and relevant to public health. Recent studies emphasize that transforming growth factor-β-activated kinase 1 (TAK1) is a central regulator of cell death and is activated through a diverse set of intra- and extracellular stimuli. The physiologic importance of TAK1 and TAK1-binding proteins in cell survival and death has been demonstrated using a number of genetically engineered mice. These studies uncover an indispensable role of TAK1 and its binding proteins for maintenance of cell viability and tissue homeostasis in a variety of organs. TAK1 is known to control cell viability and inflammation through activating downstream effectors such as NF-κB and mitogen-activated protein kinases (MAPKs). It is also emerging that TAK1 regulates cell survival not solely through NF-κB but also through NF-κB-independent pathways such as oxidative stress and receptor-interacting protein kinase 1 (RIPK1) kinase activity-dependent pathway. Moreover, recent studies have identified TAK1's seemingly paradoxical role to induce programmed necrosis, also referred to as necroptosis. This review summarizes the consequences of TAK1 deficiency in different cell and tissue types from the perspective of cell death and also focuses on the mechanism by which TAK1 complex inhibits or promotes programmed cell death. This review serves to synthesize our current understanding of TAK1 in cell survival and death to identify promising directions for future research and TAK1's potential relevance to human disease pathogenesis.
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Wang Y, Tian Y, Ding Y, Wang J, Yan S, Zhou L, Xie H, Chen H, Li H, Zhang J, Zhao J, Zheng S. MiR-152 may silence translation of CaMK II and induce spontaneous immune tolerance in mouse liver transplantation. PLoS One 2014; 9:e105096. [PMID: 25133393 PMCID: PMC4136864 DOI: 10.1371/journal.pone.0105096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 07/19/2014] [Indexed: 01/08/2023] Open
Abstract
Spontaneous immune tolerance in mouse liver transplantation has always been a hotspot in transplantation-immune research. Recent studies revealed that regulatory T cells (Tregs), hepatic satellite cells and Kupffer cells play a potential role in spontaneous immune tolerance, however the precise mechanism of spontaneous immune tolerance is still undefined. By using Microarray Chips, we investigated different immune regulatory factors to decipher critical mechanisms of spontaneous tolerance after mouse liver transplantation. Allogeneic (C57BL/6-C3H) and syngeneic (C3H-C3H) liver transplantation were performed by 6-8 weeks old male C57BL/6 and C3H mice. Graft samples (N = 4 each group) were collected from 8 weeks post-operation mice. 11 differentially expressed miRNAs in allogeneic grafts (Allografts) vs. syngeneic grafts (Syngrafts) were identified using Agilent Mouse miRNA Chips. It was revealed that 185 genes were modified by the 11 miRNAs, furthermore, within the 185 target genes, 11 of them were tightly correlated with immune regulation after Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis and Genbank data cross-comparison. Verified by real-time PCR and western blot, our results indicated that mRNA expression levels of IL-6 and TAB2 were respectively down regulated following miR-142-3p and miR-155 augment. In addition, increased miR-152 just silenced mRNA of CaMK II and down-regulated translation of CaMK II in tolerated liver grafts, which may play a critical role in immune regulation and spontaneous tolerance induction of mouse liver transplantation.
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Affiliation(s)
- Yan Wang
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yang Tian
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuan Ding
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingcheng Wang
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Sheng Yan
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lin Zhou
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Haiyang Xie
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hui Chen
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hui Li
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinhua Zhang
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiacong Zhao
- Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shusen Zheng
- Division of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- * E-mail:
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40
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Moreno-Gonzalo O, Villarroya-Beltri C, Sánchez-Madrid F. Post-translational modifications of exosomal proteins. Front Immunol 2014; 5:383. [PMID: 25157254 PMCID: PMC4128227 DOI: 10.3389/fimmu.2014.00383] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 07/28/2014] [Indexed: 11/26/2022] Open
Abstract
Exosomes mediate intercellular communication and participate in many cell processes such as cancer progression, immune activation or evasion, and the spread of infection. Exosomes are small vesicles secreted to the extracellular environment through the release of intraluminal vesicles contained in multivesicular bodies (MVBs) upon the fusion of these MVBs with the plasma membrane. The composition of exosomes is not random, suggesting that the incorporation of cargo into them is a regulated process. However, the mechanisms that control the sorting of protein cargo into exosomes are currently elusive. Here, we review the post-translational modifications detected in exosomal proteins, and discuss their possible role in their specific sorting into exosomes.
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Affiliation(s)
- Olga Moreno-Gonzalo
- Vascular Biology and Inflammation Department, Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain ; Servicio de Inmunología, Hospital de la Princesa, Instituto de Investigación Sanitaria de la Princesa, Universidad Autónoma de Madrid , Madrid , Spain
| | - Carolina Villarroya-Beltri
- Vascular Biology and Inflammation Department, Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain ; Servicio de Inmunología, Hospital de la Princesa, Instituto de Investigación Sanitaria de la Princesa, Universidad Autónoma de Madrid , Madrid , Spain
| | - Francisco Sánchez-Madrid
- Vascular Biology and Inflammation Department, Centro Nacional de Investigaciones Cardiovasculares , Madrid , Spain ; Servicio de Inmunología, Hospital de la Princesa, Instituto de Investigación Sanitaria de la Princesa, Universidad Autónoma de Madrid , Madrid , Spain
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41
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Abstract
The NF-κB family of inducible transcription factors is activated in response to a variety of stimuli. Amongst the best-characterized inducers of NF-κB are members of the TNF family of cytokines. Research on NF-κB and TNF have been tightly intertwined for more than 25 years. Perhaps the most compelling examples of the interconnectedness of NF-κB and the TNF have come from analysis of knock-out mice that are unable to activate NF-κB. Such mice die embryonically, however, deletion of TNF or TNFR1 can rescue the lethality thereby illustrating the important role of NF-κB as the key regulator of transcriptional responses to TNF. The physiological connections between NF-κB and TNF cytokines are numerous and best explored in articles focusing on a single TNF family member. Instead, in this review, we explore general mechanisms of TNF cytokine signaling, with a focus on the upstream signaling events leading to activation of the so-called canonical and noncanonical NF-κB pathways by TNFR1 and CD40, respectively.
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Affiliation(s)
- Matthew S Hayden
- Department of Microbiology and Immunology, Columbia University, College of Physicians & Surgeons, New York, NY 10032, USA; Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, NY 10032, USA.
| | - Sankar Ghosh
- Department of Microbiology and Immunology, Columbia University, College of Physicians & Surgeons, New York, NY 10032, USA.
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42
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Choi UY, Hur JY, Lee MS, Zhang Q, Choi WY, Kim LK, Lee WB, Oh GT, Kim YJ. Tripartite motif-containing protein 30 modulates TCR-activated proliferation and effector functions in CD4+ T cells. PLoS One 2014; 9:e95805. [PMID: 24756037 PMCID: PMC3995923 DOI: 10.1371/journal.pone.0095805] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 03/28/2014] [Indexed: 11/18/2022] Open
Abstract
To avoid excessive activation, immune signals are tightly controlled by diverse inhibitory proteins. TRIM30, a tripartite motif (TRIM)-containing protein is one of such inhibitors known to function in macrophages. To define the roles of TRIM30, we generated Trim30 knockout (Trim30−/−) mice. Trim30 deletion caused no major developmental defects in any organs, nor showed any discernable defect in the activation of macrophages. But, Trim30−/− mice showed increased CD4/CD8 ratio when aged and Trim30−/− CD4+ T cells exhibited an abnormal response upon TCR activation, in particular in the absence of a costimulatory signal. Adoptive transfer of wild-type and Trim30−/− CD4+ T cells together into lymphopenic hosts confirmed higher proliferation of the Trim30−/− CD4+ T cells in vivo. Despite the enhanced proliferation, Trim30−/− T cells showed decreased levels of NF-κB activation and IL-2 production compared to wild-type cells. These results indicate a distinct requirement for TRIM30 in modulation of NF-κB activation and cell proliferation induced by TCR stimulation.
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Affiliation(s)
- Un Yung Choi
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
| | - Ji Yeon Hur
- Department of Integrated Omics for Biomedical Science, WCU Program of Graduate School, Yonsei University, Seoul, Korea
| | - Myeong Sup Lee
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
| | - Quanri Zhang
- Department of Integrated Omics for Biomedical Science, WCU Program of Graduate School, Yonsei University, Seoul, Korea
| | - Won Young Choi
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
| | - Lark Kyun Kim
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
| | - Wook-Bin Lee
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
| | - Goo Taeg Oh
- Division of Life and Pharmaceutical Sciences, Ewha Women’s University, Seoul, Korea
| | - Young-Joon Kim
- Department of Biochemistry, College of Life Science and Technology, Yonsei University, Seoul, Korea
- Department of Integrated Omics for Biomedical Science, WCU Program of Graduate School, Yonsei University, Seoul, Korea
- * E-mail:
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43
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Mihaly SR, Morioka S, Ninomiya-Tsuji J, Takaesu G. Activated macrophage survival is coordinated by TAK1 binding proteins. PLoS One 2014; 9:e94982. [PMID: 24736749 PMCID: PMC3988229 DOI: 10.1371/journal.pone.0094982] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Accepted: 03/20/2014] [Indexed: 11/18/2022] Open
Abstract
Macrophages play diverse roles in tissue homeostasis and immunity, and canonically activated macrophages are critically associated with acute inflammatory responses. It is known that activated macrophages undergo cell death after transient activation in some settings, and the viability of macrophages impacts on inflammatory status. Here we report that TGFβ- activated kinase (TAK1) activators, TAK1-binding protein 1 (TAB1) and TAK1-binding protein 2 (TAB2), are critical molecules in the regulation of activated macrophage survival. While deletion of Tak1 induced cell death in bone marrow derived macrophages even without activation, Tab1 or Tab2 deletion alone did not profoundly affect survival of naïve macrophages. However, in lipopolysaccharide (LPS)-activated macrophages, even single deletion of Tab1 or Tab2 resulted in macrophage death with both necrotic and apoptotic features. We show that TAB1 and TAB2 were redundantly involved in LPS-induced TAK1 activation in macrophages. These results demonstrate that TAK1 activity is the key to activated macrophage survival. Finally, in an in vivo setting, Tab1 deficiency impaired increase of peritoneal macrophages upon LPS challenge, suggesting that TAK1 complex regulation of macrophages may participate in in vivo macrophage homeostasis. Our results demonstrate that TAB1 and TAB2 are required for activated macrophages, making TAB1 and TAB2 effective targets to control inflammation by modulating macrophage survival.
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Affiliation(s)
- September R. Mihaly
- Department of Biological Sciences, Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Sho Morioka
- Department of Biological Sciences, Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Jun Ninomiya-Tsuji
- Department of Biological Sciences, Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, United States of America
- * E-mail: (JNT); (GT)
| | - Giichi Takaesu
- Department of Biological Sciences, Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, United States of America
- Center for Integrated Medical Research, Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan
- * E-mail: (JNT); (GT)
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44
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Abstract
The binding of tumour necrosis factor α (TNFα) to cell surface receptors engages multiple signal transduction pathways, including three groups of mitogen-activated protein (MAP) kinases: extracellular-signal-regulated kinases (ERKs); the cJun NH2-terminal kinases (JNKs); and the p38 MAP kinases. These MAP kinase signalling pathways induce a secondary response by increasing the expression of several inflammatory cytokines (including TNFα) that contribute to the biological activity of TNFα. MAP kinases therefore function both upstream and down-stream of signalling by TNFα receptors. Here we review mechanisms that mediate these actions of MAP kinases during the response to TNFα.
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Affiliation(s)
- Guadalupe Sabio
- Department of Vascular Biology and Inflammation, Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III, 28029 Madrid, Spain
| | - Roger J Davis
- Howard Hughes Medical Institute and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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45
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Sanz-Garcia C, Nagy LE, Lasunción MA, Fernandez M, Alemany S. Cot/tpl2 participates in the activation of macrophages by adiponectin. J Leukoc Biol 2014; 95:917-30. [PMID: 24532642 DOI: 10.1189/jlb.0913486] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Whereas the main function of APN is to enhance insulin activity, it is also involved in modulating the macrophage phenotype. Here, we demonstrate that at physiological concentrations, APN activates Erk1/2 via the IKKβ-p105/NF-κΒ1-Cot/tpl2 intracellular signal transduction cassette in macrophages. In peritoneal macrophages stimulated with APN, Cot/tpl2 influences the ability to phagocytose beads. However, Cot/tpl2 did not modulate the known capacity of APN to decrease lipid content in peritoneal macrophages in response to treatment with oxLDL or acLDL. A microarray analysis of gene-expression profiles in BMDMs exposed to APN revealed that APN modulated the expression of ∼3300 genes; the most significantly affected biological functions were the inflammatory and the infectious disease responses. qRT-PCR analysis of WT and Cot/tpl2 KO macrophages stimulated with APN for 0, 3, and 18 h revealed that Cot/tpl2 participated in the up-regulation of APN target inflammatory mediators included in the cytokine-cytokine receptor interaction pathway (KEGG ID 4060). In accordance with these data, macrophages stimulated with APN increased secretion of cytokines and chemokines, including IL-1β, IL-1α, TNF-α, IL-10, IL-12, IL-6, and CCL2. Moreover, Cot/tpl2 also played an important role in the production of these inflammatory mediators upon stimulation of macrophages with APN. It has been reported that different types of signals that stimulate TLRs, IL-1R, TNFR, FcγR, and proteinase-activated receptor-1 activate Cot/tpl2. Here, we demonstrate that APN is a new signal that activates the IKKβ-p105/NF-κΒ1-Cot/tpl2-MKK1/2-Erk1/2 axis in macrophages. Furthermore, this signaling cassette modulates the biological functions triggered by APN in macrophages.
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Affiliation(s)
- Carlos Sanz-Garcia
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, Madrid, Spain
| | - Laura E Nagy
- Pathobiology and Gastroenterology, Cleveland Clinic, Cleveland, Ohio, USA; and
| | - Miguel A Lasunción
- Servicio de Bioquímica-Investigación, Hospital Universitario Ramón y Cajal, IRyCIS, and Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, Madrid, Spain
| | - Margarita Fernandez
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, Madrid, Spain
| | - Susana Alemany
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, Madrid, Spain;
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46
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Martel G, Rousseau S. TPL2 signalling: from Toll-like receptors-mediated ERK1/ERK2 activation to Cystic Fibrosis lung disease. Int J Biochem Cell Biol 2014; 52:146-51. [PMID: 24530836 DOI: 10.1016/j.biocel.2014.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/30/2014] [Accepted: 02/02/2014] [Indexed: 01/20/2023]
Abstract
Cystic Fibrosis (CF) is the most common lethal genetic recessive disorder, with a carrier frequency of 1 in 27 among North American Caucasians. Mitogen-activated protein kinases (MAPKs) and pro-inflammatory cytokines have crucial functions in the innate immune response of epithelial cells. They determine the inflammation status and the host response to pathogenic infections. However, in CF, bacterial-driven inflammation leads to tissue destruction, reduction in lung function and mortality. Recognition of invading pathogens is mediated in part by Toll-like receptors (TLR) activation of intracellular signalling cascade leading to cytokines' synthesis. The protein kinase Tumour Progression Locus 2 (TPL2) is a key molecule in relaying inflammatory stimuli to ERK1/ERK2 MAPKs. In this review, we summarized the recent findings on TPL2 signalling and how TPL2 can contribute to the excessive inflammation found in CF. Pharmacologically targeting this kinase could have a significant benefit for CF patients dealing with chronic bacterial infections such as Pseudomonas aeruginosa. This article is part of a Directed Issue entitled: Cystic Fibrosis: From o-mics to cell biology, physiology, and therapeutic advances.
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Affiliation(s)
- Guy Martel
- Meakins-Christie Laboratories, McGill University Health Centre Research Institute, Montreal, Canada
| | - Simon Rousseau
- Meakins-Christie Laboratories, McGill University Health Centre Research Institute, Montreal, Canada.
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47
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Ikeda Y, Morioka S, Matsumoto K, Ninomiya-Tsuji J. TAK1 binding protein 2 is essential for liver protection from stressors. PLoS One 2014; 9:e88037. [PMID: 24498425 PMCID: PMC3912198 DOI: 10.1371/journal.pone.0088037] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 01/02/2014] [Indexed: 02/07/2023] Open
Abstract
The liver is the first line of defense from environmental stressors in that hepatocytes respond to and metabolize them. Hence, hepatocytes can be damaged by stressors. Protection against hepatic cell damage and cell death is important for liver function and homeostasis. TAK1 (MAP3K7) is an intermediate of stressors such as bacterial moieties–induced signal transduction pathways in several cell types. Tak1 deficiency has been reported to induce spontaneous hepatocellular carcinoma. However, the regulatory mechanism of TAK1 activity in liver stress response has not yet been defined. Here we report that activation of TAK1 through TAK1 binding protein 2 (TAB2) is required for liver protection from stressors. We found that a bacterial moiety, lipopolysaccharides (LPS), activated TAK1 in primary hepatocytes, which was diminished by deletion of TAB2. Mice having hepatocyte-specific deletion of the Tab2 gene exhibited only late-onset moderate liver lesions but were hypersensitive to LPS-induced liver injury. Furthermore, we show that a chemical stressor induced greatly exaggerated liver injury in hepatocyte-specific Tab2-deficient mice. These results demonstrate that TAB2 is a sensor of stress conditions in the liver and functions to protect the liver by activating the TAK1 pathway.
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Affiliation(s)
- Yuka Ikeda
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Sho Morioka
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Kunihiro Matsumoto
- Department of Molecular Biology, Graduate School of Science, Nagoya University, Nagoya, Japan
| | - Jun Ninomiya-Tsuji
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, United States of America
- * E-mail:
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48
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Buchta CM, Bishop GA. TRAF5 negatively regulates TLR signaling in B lymphocytes. THE JOURNAL OF IMMUNOLOGY 2013; 192:145-50. [PMID: 24259503 DOI: 10.4049/jimmunol.1301901] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The cytoplasmic adaptor proteins TNFR-associated factor (TRAF)3 and TRAF6 are important mediators of TLR signaling. To our knowledge, we show in this study for the first time that another TRAF family member, TRAF5, is a negative regulator of TLR signaling. B lymphocytes from TRAF5(-/-) mice produced more IL-6, IL-12p40, IL-10, TNF-α, and IgM than did wild-type B cells after TLR stimulation. Consistent with these data, exogenous overexpression of TRAF5 in B cells inhibited TLR-mediated cytokine and Ab production. TLR stimulation of TRAF5-deficient B cells did not affect cell survival, proliferation, or NF-κB activation but resulted in markedly enhanced phosphorylation of the MAPKs ERK1/2 and JNK. TRAF5 negatively regulated TLR signaling in a cell-specific manner, because TRAF5(-/-) macrophages and dendritic cells showed less dramatic differences in TLR-mediated cytokine production than B cells. Following TLR stimulation, TRAF5 associated in a complex with the TLR adaptor protein MyD88 and the B cell-specific positive regulator of TLR signaling TAB2. Furthermore, TRAF5 negatively regulated the association of TAB2 with its signaling partner TRAF6 after TLR ligation in B cells. To our knowledge, these data provide the first evidence that TRAF5 acts as a negative regulator of TLR signaling.
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Affiliation(s)
- Claire M Buchta
- Graduate Program in Immunology, University of Iowa, Iowa City, IA 52242
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49
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Abstract
Research over the past decade has revealed how NF-κB essential modulator (NEMO; also known as IKKγ) regulates the IKKα-IKKβ signalling axis in the innate immune system. The discovery that NEMO is a polyubiquitin-binding protein and that the IKK complex is modulated by other protein kinases that are themselves controlled by polyubiquitin chains has provided a deeper molecular understanding of the non-degradative roles of ubiquitylation. New mechanistic insights of NEMO and related polyubiquitin-binding proteins have become a paradigm for how the interplay between phosphorylation and ubiquitylation controls cell signalling networks in health and disease.
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50
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Abstract
Following pathogen infection or tissue damage, the stimulation of pattern recognition receptors on the cell surface and in the cytoplasm of innate immune cells activates members of each of the major mitogen-activated protein kinase (MAPK) subfamilies--the extracellular signal-regulated kinase (ERK), p38 and Jun N-terminal kinase (JNK) subfamilies. In conjunction with the activation of nuclear factor-κB and interferon-regulatory factor transcription factors, MAPK activation induces the expression of multiple genes that together regulate the inflammatory response. In this Review, we discuss our current knowledge about the regulation and the function of MAPKs in innate immunity, as well as the importance of negative feedback loops in limiting MAPK activity to prevent host tissue damage. We also examine how pathogens have evolved complex mechanisms to manipulate MAPK activation to increase their virulence. Finally, we consider the potential of the pharmacological targeting of MAPK pathways to treat autoimmune and inflammatory diseases.
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