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Matsui S, Ri C, Bolanos LC, Choi K, Shibamiya A, Ishii A, Takaishi K, Oshima-Hasegawa N, Tsukamoto S, Takeda Y, Mimura N, Yoshimi A, Yokote K, Starczynowski DT, Sakaida E, Muto T. Metabolic reprogramming regulated by TRAF6 contributes to the leukemia progression. Leukemia 2024; 38:1032-1045. [PMID: 38609495 DOI: 10.1038/s41375-024-02245-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 03/31/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024]
Abstract
TNF receptor associated factor 6 (TRAF6) is an E3 ubiquitin ligase that has been implicated in myeloid malignancies. Although altered TRAF6 expression is observed in human acute myeloid leukemia (AML), its role in the AML pathogenesis remains elusive. In this study, we showed that the loss of TRAF6 in AML cells significantly impairs leukemic function in vitro and in vivo, indicating its functional importance in AML subsets. Loss of TRAF6 induces metabolic alterations, such as changes in glycolysis, TCA cycle, and nucleic acid metabolism as well as impaired mitochondrial membrane potential and respiratory capacity. In leukemic cells, TRAF6 expression shows a positive correlation with the expression of O-linked N-acetylglucosamine (O-GlcNAc) transferase (OGT), which catalyzes the addition of O-GlcNAc to target proteins involved in metabolic regulation. The restoration of growth capacity and metabolic activity in leukemic cells with TRAF6 loss, achieved through either forced expression of OGT or pharmacological inhibition of O-GlcNAcase (OGA) that removes O-GlcNAc, indicates the significant role of O-GlcNAc modification in the TRAF6-related cellular and metabolic dynamics. Our findings highlight the oncogenic function of TRAF6 in leukemia and illuminate the novel TRAF6/OGT/O-GlcNAc axis as a potential regulator of metabolic reprogramming in leukemogenesis.
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Affiliation(s)
- Shinichiro Matsui
- Department of Hematology, Chiba University Hospital, Chiba, Japan
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Chihiro Ri
- Department of Hematology, Chiba University Hospital, Chiba, Japan
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Lyndsey C Bolanos
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Kwangmin Choi
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Asuka Shibamiya
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Arata Ishii
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Koji Takaishi
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Nagisa Oshima-Hasegawa
- Department of Hematology, Chiba University Hospital, Chiba, Japan
- Department of Transfusion Medicine and Cell Therapy, Chiba University Hospital, Chiba, Japan
| | | | - Yusuke Takeda
- Department of Hematology, Chiba University Hospital, Chiba, Japan
| | - Naoya Mimura
- Department of Hematology, Chiba University Hospital, Chiba, Japan
- Department of Transfusion Medicine and Cell Therapy, Chiba University Hospital, Chiba, Japan
| | - Akihide Yoshimi
- Division of Cancer RNA Research, National Cancer Center Research Institute, Tokyo, Japan
| | - Koutaro Yokote
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Daniel T Starczynowski
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
- Department of Cancer Biology, University of Cincinnati, Cincinnati, OH, USA
- Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Emiko Sakaida
- Department of Hematology, Chiba University Hospital, Chiba, Japan
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba, Japan
- Department of Transfusion Medicine and Cell Therapy, Chiba University Hospital, Chiba, Japan
| | - Tomoya Muto
- Department of Hematology, Chiba University Hospital, Chiba, Japan.
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba, Japan.
- Division of Cancer RNA Research, National Cancer Center Research Institute, Tokyo, Japan.
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2
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Zhang X, Wang X, Chen J, Chen M, Lu X, Ning J, Liu H, Liu G, Xu X, Qu X, Yu K, Xu H, Wang C, Liu B. Functional analyses of TRAF6 gene in Argopecten scallops. FISH & SHELLFISH IMMUNOLOGY 2024; 147:109443. [PMID: 38354964 DOI: 10.1016/j.fsi.2024.109443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/30/2024] [Accepted: 02/11/2024] [Indexed: 02/16/2024]
Abstract
The tumor necrosis factor (TNF) receptor-associated factor (TRAF) family has been reported to be involved in many immune pathways. In a previous study, we identified 5 TRAF genes, including TRAF2, 3, 4, 6, and 7, in the bay scallop (Argopecten irradians, Air) and the Peruvian scallop (Argopecten purpuratus, Apu). Since TRAF6 is a key molecular link in the TNF superfamily, we conducted a series of studies targeting the TRAF6 gene in the Air and Apu scallops as well as their hybrid progeny, Aip (Air ♀ × Apu ♂) and Api (Apu ♀ × Air ♂). Subcellular localization assay showed that the Air-, Aip-, and Api-TRAF6 were widely distributed in the cytoplasm of the human embryonic kidney cell line (HEK293T). Additionally, dual-luciferase reporter assay revealed that among TRAF3, TRAF4, and TRAF6, only the overexpression of TRAF6 significantly activated NF-κB activity in the HEK293T cells in a dose-dependent manner. These results suggest a crucial role of TRAF6 in the immune response in Argopecten scallops. To investigate the specific immune mechanism of TRAF6 in Argopecten scallops, we conducted TRAF6 knockdown using RNA interference. Transcriptomic analyses of the TRAF6 RNAi and control groups identified 1194, 2403, and 1099 differentially expressed genes (DEGs) in the Air, Aip, and Api scallops, respectively. KEGG enrichment analyses revealed that these DEGs were primarily enriched in transport and catabolism, amino acid metabolism, peroxisome, lysosome, and phagosome pathways. Expression profiles of 28 key DEGs were confirmed by qRT-PCR assays. The results of this study may provide insights into the immune mechanisms of TRAF in Argopecten scallops and ultimately benefit scallop breeding.
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Affiliation(s)
- Xiaotong Zhang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Xia Wang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Jieyu Chen
- Qingdao No. 9 High School, Qingdao, Shandong, 266426, China
| | - Min Chen
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, China
| | - Xia Lu
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, China
| | - Junhao Ning
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, China
| | - Haijun Liu
- Yantai Spring-Sea AquaSeed, Co., Ltd., Yantai, 264006, China
| | - Guilong Liu
- Yantai Spring-Sea AquaSeed, Co., Ltd., Yantai, 264006, China
| | - Xin Xu
- Yantai Spring-Sea AquaSeed, Co., Ltd., Yantai, 264006, China
| | - Xiaoxu Qu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Kai Yu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - He Xu
- Jiangsu Baoyuan Biotechnology Co., Ltd., Lianyungang, 222144, China; Jiangsu Haitai MariTech Co., Ltd., Lianyungang, 222144, China
| | - Chunde Wang
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China; Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong, 264003, China.
| | - Bo Liu
- College of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China.
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3
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Ybarra TK, Bishop GA. TRAF3 regulation of proximal TLR signaling in B cells. J Leukoc Biol 2024:qiae038. [PMID: 38489541 DOI: 10.1093/jleuko/qiae038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/24/2024] [Accepted: 02/09/2024] [Indexed: 03/17/2024] Open
Abstract
Toll-like receptors are pattern recognition receptors that bridge the innate and adaptive immune responses and are critical for host defense. Most studies of Toll-like receptors have focused upon their roles in myeloid cells. B lymphocytes express most Toll-like receptors and are responsive to Toll-like receptor ligands, yet Toll-like receptor-mediated signaling in B cells is relatively understudied. This is an important knowledge gap, as Toll-like receptor functions can be cell type specific. In striking contrast to myeloid cells, TRAF3 inhibits TLR-mediated functions in B cells. TRAF3-deficient B cells display enhanced IRF3 and NFκB activation, cytokine production, immunoglobulin isotype switching, and antibody production in response to Toll-like receptors 3, 4, 7, and 9. Here, we address the question of how TRAF3 impacts initial B-cell Toll-like receptor signals to regulate downstream activation. We found that TRAF3 in B cells associated with proximal Toll-like receptor 4 and 7 signaling proteins, including MyD88, TRAF6, and the tyrosine kinase Syk. In the absence of TRAF3, TRAF6 showed a greater association with several Toll-like receptor signaling proteins, suggesting that TRAF3 may inhibit TRAF6 access to Toll-like receptor signaling complexes and thus early Toll-like receptor signaling. In addition, our results highlight a key role for Syk in Toll-like receptor signaling in B cells. In the absence of TRAF3, Syk activation was enhanced in response to ligands for Toll-like receptors 4 and 7, and Syk inhibition reduced downstream Toll-like receptor-mediated NFκB activation and proinflammatory cytokine production. This study reveals multiple mechanisms by which TRAF3 serves as a key negative regulator of early Toll-like receptor signaling events in B cells.
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Affiliation(s)
- Tiffany K Ybarra
- Interdisciplinary Graduate Program in Immunology, University of Iowa, 285 Newton Road, Iowa City, IA 52242, United States
- Departments of Microbiology and Immunology, University of Iowa, 285 Newton Road, Iowa City, IA 52242, United States
| | - Gail A Bishop
- Interdisciplinary Graduate Program in Immunology, University of Iowa, 285 Newton Road, Iowa City, IA 52242, United States
- Departments of Microbiology and Immunology, University of Iowa, 285 Newton Road, Iowa City, IA 52242, United States
- VA Medical Center, University of Iowa, 285 Newton Road, Iowa City, IA 52242, United States
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Tharanga EMT, Nadarajapillai K, Sirisena DMKP, Kim G, Jeong T, Wan Q, Lee J. Involvement of tumor necrosis factor receptor-associated factor 6 (TRAF6) in NF-κB activation and antiviral immunity: Molecular and functional characterization of TRAF6 in red-spotted grouper (Epinephelus akaara). FISH & SHELLFISH IMMUNOLOGY 2024; 146:109434. [PMID: 38331055 DOI: 10.1016/j.fsi.2024.109434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/10/2024]
Abstract
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a member of the TRAF family of adaptor proteins involved in the signal transduction pathways of both TNF receptor and interleukin-1 receptor/Toll-like receptor superfamilies. In this study, red-spotted grouper (Epinephelus akaara) TRAF6 (EaTraf6) was identified and characterized. The open reading frame of EaTraf6, 1713 bp in length, encodes a putative protein of 570 amino acids and has a predicted molecular weight and theoretical isoelectric point of 64.11 kDa and 6.07, respectively. EaTraf6 protein contains an N-terminal RING-type zinc finger domain, two TRAF-type zinc finger domains, a coiled-coil region (zf-TRAF), and a conserved C-terminal meprin and TRAF homology (MATH) domain. EaTraf6 shared the highest amino acid sequence identity with its ortholog from Epinephelus coioides, and phylogenetic analysis showed all fish TRAF6s clustered together and apart from other species. qRT-PCR results revealed that EaTraf6 was ubiquitously expressed in all examined tissues, with the highest level detected in the blood. In the immune challenge, EaTraf6 exhibited modulated mRNA expression levels in the blood and spleen. The subcellular localization analysis revealed that the EaTraf6 protein was predominantly present in the cytoplasm; however, it could translocate into the nucleus following poly (I:C) stimulation. The antiviral function of EaTraf6 was confirmed by analyzing the expression of host antiviral genes and viral genomic RNA during viral hemorrhagic septicemia virus infection. Additionally, luciferase reporter assay results indicated that EaTraf6 is involved in the activation of the NF-κB signaling pathway upon poly (I:C) stimulation. Finally, the effect of EaTraf6 on cytokine gene expression and its role in regulating macrophage M1 polarization were demonstrated. Collectively, these findings suggest that EaTraf6 is a crucial immune-related gene that significantly contributes to antiviral functions and regulation of NF-κB activity in the red-spotted grouper.
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Affiliation(s)
- E M T Tharanga
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Kishanthini Nadarajapillai
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - D M K P Sirisena
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Gaeun Kim
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Taehyug Jeong
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Qiang Wan
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
| | - Jehee Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
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5
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Li Y, Huang L, Li H, Zhu Y, Yu Z, Zheng X, Weng C, Feng WH. ASFV pA151R negatively regulates type I IFN production via degrading E3 ligase TRAF6. Front Immunol 2024; 15:1339510. [PMID: 38449860 PMCID: PMC10914938 DOI: 10.3389/fimmu.2024.1339510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/29/2024] [Indexed: 03/08/2024] Open
Abstract
African swine fever (ASF) caused by African swine fever virus (ASFV) is a highly mortal and hemorrhagic infectious disease in pigs. Previous studies have indicated that ASFV modulates interferon (IFN) production. In this study, we demonstrated that ASFV pA151R negatively regulated type I IFN production. Ectopic expression of pA151R dramatically inhibited K63-linked polyubiquitination and Ser172 phosphorylation of TANK-binding kinase 1 (TBK1). Mechanically, we demonstrated that E3 ligase TNF receptor-associated factor 6 (TRAF6) participated in the ubiquitination of TBK1 in cGAS-STING signaling pathway. We showed that pA151R interacted with TRAF6 and degraded it through apoptosis pathway, leading to the disruption of TBK1 and TRAF6 interaction. Moreover, we clarified that the amino acids H102, C109, C132, and C135 in pA151R were crucial for pA151R to inhibit type I interferon production. In addition, we verified that overexpression of pA151R facilitated DNA virus Herpes simplex virus 1 (HSV-1) replication by inhibiting IFN-β production. Importantly, knockdown of pA151R inhibited ASFV replication and enhanced IFN-β production in porcine alveolar macrophages (PAMs). Our findings will help understand how ASFV escapes host antiviral immune responses and develop effective ASFV vaccines.
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Affiliation(s)
- You Li
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Li Huang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Hui Li
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Yingqi Zhu
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Zilong Yu
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Xiaojie Zheng
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Changjiang Weng
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Wen-hai Feng
- State Key Laboratory of Animal Biotech Breeding, China Agricultural University, Beijing, China
- Frontiers Science Center for Molecular Design Breeding, College of Biological Sciences, China Agricultural University, Beijing, China
- Ministry of Agriculture Key Laboratory of Soil Microbiology, College of Biological Sciences, China Agricultural University, Beijing, China
- Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
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6
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Li Y, Liu X, Fujinaga K, Gross JD, Frankel AD. Enhanced NF-κB activation via HIV-1 Tat-TRAF6 cross-talk. SCIENCE ADVANCES 2024; 10:eadi4162. [PMID: 38241362 PMCID: PMC10798561 DOI: 10.1126/sciadv.adi4162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 12/21/2023] [Indexed: 01/21/2024]
Abstract
The Tat proteins of HIV-1 and simian immunodeficiency virus (SIV) are essential for activating viral transcription. In addition, Tat stimulates nuclear factor κB (NF-κB) signaling pathways to regulate viral gene expression although its molecular mechanism is unclear. Here, we report that Tat directly activates NF-κB through the interaction with TRAF6, which is an essential upstream signaling molecule of the canonical NF-κB pathway. This interaction increases TRAF6 oligomerization and auto-ubiquitination, as well as the synthesis of K63-linked polyubiquitin chains to further activate the NF-κB pathway and HIV-1 transcription. Moreover, ectopic expression of TRAF6 significantly activates HIV-1 transcription, whereas TRAF6 knockdown inhibits transcription. Furthermore, Tat-mediated activation of NF-κB through TRAF6 is conserved among HIV-1, HIV-2, and SIV isolates. Our study uncovers yet another mechanism by which HIV-1 subverts host transcriptional pathways to enhance its own transcription.
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Affiliation(s)
- Yang Li
- Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94158, USA
| | - Xi Liu
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA
| | - Koh Fujinaga
- Department of Medicine, University of California, San Francisco, CA 94143, USA
| | - John D. Gross
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA
| | - Alan D. Frankel
- Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94158, USA
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7
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Zhang J, Liu K, Gong X, Zhang N, Zeng Y, Ren W, Huang A, Long H, Xie Z. Transcriptome analysis of the hepatopancreas from the Litopenaeus vannamei infected with different flagellum types of Vibrio alginolyticus strains. Front Cell Infect Microbiol 2023; 13:1265917. [PMID: 38076457 PMCID: PMC10703188 DOI: 10.3389/fcimb.2023.1265917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 11/06/2023] [Indexed: 12/18/2023] Open
Abstract
Vibrio alginolyticus, one of the prevalently harmful Vibrio species found in the ocean, causes significant economic damage in the shrimp farming industry. Its flagellum serves as a crucial virulence factor in the invasion of host organisms. However, the processes of bacteria flagella recognition and activation of the downstream immune system in shrimp remain unclear. To enhance comprehension of this, a ΔflhG strain was created by in-frame deletion of the flhG gene in V. alginolyticus strain HN08155. Then we utilized the transcriptome analysis to examine the different immune responses in Litopenaeus vannamei hepatopancreas after being infected with the wild type and the mutant strains. The results showed that the ΔflhG strain, unlike the wild type, lost its ability to regulate flagella numbers negatively and displayed multiple flagella. When infected with the hyperflagella-type strain, the RNA-seq revealed the upregulation of several immune-related genes in the shrimp hepatopancreas. Notably, two C-type lectins (CTLs), namely galactose-specific lectin nattectin and macrophage mannose receptor 1, and the TNF receptor-associated factor (TRAF) 6 gene were upregulated significantly. These findings suggested that C-type lectins were potentially involved in flagella recognition in shrimp and the immune system was activated through the TRAF6 pathway after flagella detection by CTLs.
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Affiliation(s)
- Jingwen Zhang
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
| | - Kaifang Liu
- School of Fisheries, Xinyang Agriculture and Forestry University, Xinyang, China
| | - Xiaoxiao Gong
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
| | - Na Zhang
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
| | - Yanhua Zeng
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
- Collaborative Innovation Center of Marine Science and Technology, Hainan University, Haikou, China
| | - Wei Ren
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
- Collaborative Innovation Center of Marine Science and Technology, Hainan University, Haikou, China
| | - Aiyou Huang
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
- Collaborative Innovation Center of Marine Science and Technology, Hainan University, Haikou, China
| | - Hao Long
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
- Collaborative Innovation Center of Marine Science and Technology, Hainan University, Haikou, China
| | - Zhenyu Xie
- Hainan Provincial Key Laboratory for Tropical Hydrobiology and Biotechnology, Hainan University, Haikou, China
- Laboratory of Development and Utilization of Marine Microbial Resource, Hainan University, Haikou, China
- Collaborative Innovation Center of Marine Science and Technology, Hainan University, Haikou, China
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8
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Guven O, Sever B, Başoğlu-Ünal F, Ece A, Tateishi H, Koga R, Radwan MO, Demir N, Can M, Dilsiz Aytemir M, Inoue JI, Otsuka M, Fujita M, Ciftci H, DeMirci H. Structural Characterization of TRAF6 N-Terminal for Therapeutic Uses and Computational Studies on New Derivatives. Pharmaceuticals (Basel) 2023; 16:1608. [PMID: 38004473 PMCID: PMC10674494 DOI: 10.3390/ph16111608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
Tumor necrosis factor receptor-associated factors (TRAFs) are a protein family with a wide variety of roles and binding partners. Among them, TRAF6, a ubiquitin ligase, possesses unique receptor binding specificity and shows diverse functions in immune system regulation, cellular signaling, central nervous system, and tumor formation. TRAF6 consists of an N-terminal Really Interesting New Gene (RING) domain, multiple zinc fingers, and a C-terminal TRAF domain. TRAF6 is an important therapeutic target for various disorders and structural studies of this protein are crucial for the development of next-generation therapeutics. Here, we presented a TRAF6 N-terminal structure determined at the Turkish light source "Turkish DeLight" to be 3.2 Å resolution at cryogenic temperature (PDB ID: 8HZ2). This structure offers insight into the domain organization and zinc-binding, which are critical for protein function. Since the RING domain and the zinc fingers are key targets for TRAF6 therapeutics, structural insights are crucial for future research. Separately, we rationally designed numerous new compounds and performed molecular docking studies using this template (PDB ID:8HZ2). According to the results, 10 new compounds formed key interactions with essential residues and zinc ion in the N-terminal region of TRAF6. Molecular dynamic (MD) simulations were performed for 300 ns to evaluate the stability of three docked complexes (compounds 256, 322, and 489). Compounds 256 and 489 was found to possess favorable bindings with TRAF6. These new compounds also showed moderate to good pharmacokinetic profiles, making them potential future drug candidates as TRAF6 inhibitors.
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Affiliation(s)
- Omur Guven
- Department of Molecular Biology and Genetics, Koç University, Istanbul 34450, Turkey;
| | - Belgin Sever
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
| | - Faika Başoğlu-Ünal
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, European University of Lefke, Northern Cyprus, TR-10, Mersin 99770, Turkey;
| | - Abdulilah Ece
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Biruni University, Istanbul 34015, Turkey;
| | - Hiroshi Tateishi
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
| | - Ryoko Koga
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
| | - Mohamed O. Radwan
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
| | - Nefise Demir
- Department of Nanoscience and Nanotechnology, Izmir Katip Celebi University, Izmir 35620, Turkey;
| | - Mustafa Can
- Faculty of Engineering and Architecture, Department of Engineering Sciences, Izmir Katip Celebi University, Izmir 35620, Turkey;
| | - Mutlu Dilsiz Aytemir
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, İzmir Katip Çelebi University, Izmir 35620, Turkey;
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Hacettepe University, Ankara 6100, Turkey
| | - Jun-ichiro Inoue
- Research Platform Office, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan;
| | - Masami Otsuka
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
- Department of Drug Discovery, Science Farm Ltd., Kumamoto 862-0976, Japan
| | - Mikako Fujita
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
| | - Halilibrahim Ciftci
- Department of Molecular Biology and Genetics, Koç University, Istanbul 34450, Turkey;
- Medicinal and Biological Chemistry Science Farm Joint Research Laboratory, Faculty of Life Sciences, Kumamoto University, Kumamoto 862-0973, Japan; (B.S.); (H.T.); (R.K.); (M.O.); (M.F.)
- Department of Drug Discovery, Science Farm Ltd., Kumamoto 862-0976, Japan
| | - Hasan DeMirci
- Department of Molecular Biology and Genetics, Koç University, Istanbul 34450, Turkey;
- Koc University Isbank Center for Infectious Diseases (KUISCID), Koc University, Istanbul 34010, Turkey
- Stanford PULSE Institute, SLAC National Laboratory, Menlo Park, CA 94025, USA
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9
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Li L, He G, Shi M, Zhu J, Cheng Y, Chen Y, Chen J, Xue Q. Edaravone dexborneol ameliorates cognitive impairment by regulating the NF-κB pathway through AHR and promoting microglial polarization towards the M2 phenotype in mice with bilateral carotid artery stenosis (BCAS). Eur J Pharmacol 2023; 957:176036. [PMID: 37673366 DOI: 10.1016/j.ejphar.2023.176036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 08/29/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023]
Abstract
Cerebral small vessel disease (CSVD) is one of the most important causes of stroke and vascular dementia, so exploring effective treatment modalities for CSVD is warranted. This study aimed to explore the anti-inflammatory effects of Edaravone dexborneol (C.EDA) in a CSVD model. Mice with CSVD showed distinct cognitive decline, as assessed by the Morris water maze (MWM). Pathological staining verified leakage across the blood‒brain barrier (BBB), microglial proliferation, neuronal loss and demyelination. Western blot analysis demonstrated that M1 microglia dominated prophase and released proinflammatory molecules; the aryl hydrocarbon receptor (AHR) was found to participate in modulating nuclear factor-kappa B (NF-κB) signalling activation through tumour necrosis factor receptor-associated factor-6 (TRAF6). C.EDA treatment resulted in the polarization of microglia from the M1 to the M2 phenotype. Mice sequentially treated with C.EDA exhibited a significant improvement in cognitive function; expression of the anti-inflammatory cytokines and modulatory proteins AHR and TRAF6 was upregulated, while the levels of pNF-κBp65 and pIΚBα were downregulated. C.EDA promoted microglial activation towards the M2 phenotype by upregulating AHR expression, which prevented TRAF6 ubiquitination, promoted NF-κB RelA/p65 protein degradation and inhibited subsequent NF-κB phosphorylation. Mechanistically, the anti-inflammatory effect of C.EDA alleviated neuronal loss and myelin damage, while at the functional level, C.EDA improved cognitive function and thus showed good application prospects.
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Affiliation(s)
- Lei Li
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, 215006, China; Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Guojun He
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Mingyu Shi
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Juehua Zhu
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, 215006, China
| | - Yongqing Cheng
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Yang Chen
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Jin Chen
- Department of Neurology, The First People's Hospital of Yancheng, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, 224005, China
| | - Qun Xue
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu Province, 215006, China.
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10
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Zhang Y, Zhu Z, Cao Y, Xiong Z, Duan Y, Lin J, Zhang X, Jiang M, Liu Y, Man W, Jia T, Feng J, Chen Y, Li C, Guo B, Sun D. Rnd3 suppresses endothelial cell pyroptosis in atherosclerosis through regulation of ubiquitination of TRAF6. Clin Transl Med 2023; 13:e1406. [PMID: 37743632 PMCID: PMC10518494 DOI: 10.1002/ctm2.1406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/24/2023] [Accepted: 08/29/2023] [Indexed: 09/26/2023] Open
Abstract
BACKGROUND As the main pathological basis for various cardiovascular and cerebrovascular diseases, atherosclerosis has become one of the leading causes of death and disability worldwide. Emerging evidence has suggested that Rho GTPase Rnd3 plays an indisputable role in cardiovascular diseases, although its function in atherosclerosis remains unclear. Here, we found a significant correlation between Rnd3 and pyroptosis of aortic endothelial cells (ECs). METHODS ApoeKO mice were utilized as a model for atherosclerosis. Endothelium-specific transgenic mice were employed to disrupt the expression level of Rnd3 in vivo. Mechanistic investigation of the impact of Rnd3 on endothelial cell pyroptosis was carried out using liquid chromatography tandem mass spectrometry (LC-MS/MS), co-immunoprecipitation (Co-IP) assays, and molecular docking. RESULTS Evidence from gain-of-function and loss-of-function studies denoted a protective role for Rnd3 against ECs pyroptosis. Downregulation of Rnd3 sensitized ECs to pyroptosis under oxidized low density lipoprotein (oxLDL) challenge and exacerbated atherosclerosis, while overexpression of Rnd3 effectively prevented these effects. LC-MS/MS, Co-IP assay, and molecular docking revealed that Rnd3 negatively regulated pyroptosis signaling by direct interaction with the ring finger domain of tumor necrosis factor receptor-associated factor 6 (TRAF6). This leads to the suppression of K63-linked TRAF6 ubiquitination and the promotion of K48-linked TRAF6 ubiquitination, inhibiting the activation of NF-κB and promoting the degradation of TRAF6. Moreover, TRAF6 knockdown countered Rnd3 knockout-evoked exacerbation of EC pyroptosis in vivo and vitro. CONCLUSIONS These findings establish a critical functional connection between Rnd3 and the TRAF6/NF-κB/NLRP3 signaling pathway in ECs, indicating the essential role of Rnd3 in preventing pyroptosis of ECs.
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Affiliation(s)
- Yan Zhang
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Zhengru Zhu
- Department of OtolaryngologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Yang Cao
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Zhenyu Xiong
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Yu Duan
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Jie Lin
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Xuebin Zhang
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Mengyuan Jiang
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Yue Liu
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Wanrong Man
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Tengfei Jia
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Jiaxu Feng
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Yanyan Chen
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Congye Li
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Baolin Guo
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
| | - Dongdong Sun
- Department of CardiologyXijing Hospital, Fourth Military Medical UniversityXi'anChina
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11
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Carman LE, Samulevich ML, Aneskievich BJ. Repressive Control of Keratinocyte Cytoplasmic Inflammatory Signaling. Int J Mol Sci 2023; 24:11943. [PMID: 37569318 PMCID: PMC10419196 DOI: 10.3390/ijms241511943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
The overactivity of keratinocyte cytoplasmic signaling contributes to several cutaneous inflammatory and immune pathologies. An important emerging complement to proteins responsible for this overactivity is signal repression brought about by several proteins and protein complexes with the native role of limiting inflammation. The signaling repression by these proteins distinguishes them from transmembrane receptors, kinases, and inflammasomes, which drive inflammation. For these proteins, defects or deficiencies, whether naturally arising or in experimentally engineered skin inflammation models, have clearly linked them to maintaining keratinocytes in a non-activated state or returning cells to a post-inflamed state after a signaling event. Thus, together, these proteins help to resolve acute inflammatory responses or limit the development of chronic cutaneous inflammatory disease. We present here an integrated set of demonstrated or potentially inflammation-repressive proteins or protein complexes (linear ubiquitin chain assembly complex [LUBAC], cylindromatosis lysine 63 deubiquitinase [CYLD], tumor necrosis factor alpha-induced protein 3-interacting protein 1 [TNIP1], A20, and OTULIN) for a comprehensive view of cytoplasmic signaling highlighting protein players repressing inflammation as the needed counterpoints to signal activators and amplifiers. Ebb and flow of players on both sides of this inflammation equation would be of physiological advantage to allow acute response to damage or pathogens and yet guard against chronic inflammatory disease. Further investigation of the players responsible for repressing cytoplasmic signaling would be foundational to developing new chemical-entity pharmacologics to stabilize or enhance their function when clinical intervention is needed to restore balance.
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Affiliation(s)
- Liam E. Carman
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Michael L. Samulevich
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Brian J. Aneskievich
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, CT 06269-3092, USA
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12
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Lee CS, Hwang G, Nam YW, Hwang CH, Song J. IKK-mediated TRAF6 and RIPK1 interaction stifles cell death complex assembly leading to the suppression of TNF-α-induced cell death. Cell Death Differ 2023; 30:1575-1584. [PMID: 37085671 PMCID: PMC10244383 DOI: 10.1038/s41418-023-01161-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/23/2023] Open
Abstract
Tumor necrosis factor α (TNF-α) is a pro-inflammatory cytokine capable of inducing extrinsic apoptosis and necroptosis. Tumor necrosis factor receptor-associated factor 6 (TRAF6), an E3 ligase, is a member of the TRAF family of proteins, which mediates inflammatory signals by activating nuclear factor kappa B (NFкB) and mitogen-activated protein kinase (MAPK). Although the functions of TRAF6 have been identified, its role in TNF-α-induced cell death remains poorly understood. Here, we report that TRAF6 is a negative modulator of TNF-α-induced cell death but does not affect TNF-α-induced NFκB activation. TRAF6 deficiency accelerates both TNF-α-induced apoptosis and necroptosis; however, the acceleration can be reversed by reconstituting TRAF6 or TRAF6C70A, suggesting that E3 ligase activity is not required for this activity. Mechanistically, TRAF6 directly interacts with RIPK1 during TNF-α-induced cell death signaling, which prevents RIPK1 from interacting with components of the cell death complex such as itself, FADD or RIPK3. These processes suppress the assembly of the death complex. Notably, IKK was required for TRAF6 to interact with RIPK1. In vivo, Traf6-/- embryos exhibited higher levels of cell death in the liver but could be rescued by the simultaneous knockout of Tnf. Finally, TRAF6 knockdown xenografts were highly sensitive to necroptotic stimuli. We concluded that TRAF6 suppresses TNF-α-induced cell death in coordination with IKK complexes in vivo and in vitro by suppressing the assembly of cell death complex.
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Affiliation(s)
- Choong-Sil Lee
- Integrated OMICS for Biomedical Science, Yonsei University, Seoul, 03722, Korea
| | - Gyuho Hwang
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Young Woo Nam
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Chi Hyun Hwang
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea
| | - Jaewhan Song
- Integrated OMICS for Biomedical Science, Yonsei University, Seoul, 03722, Korea.
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Korea.
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13
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Zhang S, Zheng R, Pan Y, Sun H. Potential Therapeutic Value of the STING Inhibitors. Molecules 2023; 28:3127. [PMID: 37049889 PMCID: PMC10096477 DOI: 10.3390/molecules28073127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
The stimulator of interferon genes (STING) is a critical protein in the activation of the immune system in response to DNA. It can participate the inflammatory response process by modulating the inflammation-preferred translation program through the STING-PKR-like endoplasmic reticulum kinase (PERK)-eIF2α pathway or by inducing the secretion of type I interferons (IFNs) and a variety of proinflammatory factors through the recruitment of TANK-binding kinase 1 (TBK1) and interferon regulatory factor 3 (IRF3) or the regulation of the nuclear factor kappa-B (NF-κB) pathway. Based on the structure, location, function, genotype, and regulatory mechanism of STING, this review summarizes the potential value of STING inhibitors in the prevention and treatment of infectious diseases, psoriasis, systemic lupus erythematosus, non-alcoholic fatty liver disease, and other inflammatory and autoimmune diseases.
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Affiliation(s)
- Shangran Zhang
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Runan Zheng
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Yanhong Pan
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacy, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210009, China
| | - Hongbin Sun
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Chongqing Innovation Institute of China Pharmaceutical University, Chongqing 401135, China
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14
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Intrahippocampal Inoculation of Aβ 1-42 Peptide in Rat as a Model of Alzheimer's Disease Identified MicroRNA-146a-5p as Blood Marker with Anti-Inflammatory Function in Astrocyte Cells. Cells 2023; 12:cells12050694. [PMID: 36899831 PMCID: PMC10000752 DOI: 10.3390/cells12050694] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
Circulating microRNAs (miRNAs) have aroused a lot of interest as reliable blood diagnostic biomarkers of Alzheimer's disease (AD). Here, we investigated the panel of expressed blood miRNAs in response to aggregated Aβ1-42 peptides infused in the hippocampus of adult rats to mimic events of the early onset of non-familial AD disorder. Aβ1-42 peptides in the hippocampus led to cognitive impairments associated with an astrogliosis and downregulation of circulating miRNA-146a-5p, -29a-3p, -29c-3p, -125b-5p, and-191-5p. We established the kinetics of expression of selected miRNAs and found differences with those detected in the APPswe/PS1dE9 transgenic mouse model. Of note, miRNA-146a-5p was exclusively dysregulated in the Aβ-induced AD model. The treatment of primary astrocytes with Aβ1-42 peptides led to miRNA-146a-5p upregulation though the activation of the NF-κB signaling pathway, which in turn downregulated IRAK-1 but not TRAF-6 expression. As a consequence, no induction of IL-1β, IL-6, or TNF-α was detected. Astrocytes treated with a miRNA-146-5p inhibitor rescued IRAK-1 and changed TRAF-6 steady-state levels that correlated with the induction of IL-6, IL-1β, and CXCL1 production, indicating that miRNA-146a-5p operates anti-inflammatory functions through a NF-κB pathway negative feedback loop. Overall, we report a panel of circulating miRNAs that correlated with Aβ1-42 peptides' presence in the hippocampus and provide mechanistic insights into miRNA-146a-5p biological function in the development of the early stage of sporadic AD.
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15
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Wang S, Li H, Li Q, Yin B, Li S, He J, Li C. Signaling events induced by lipopolysaccharide-activated Toll in response to bacterial infection in shrimp. Front Immunol 2023; 14:1119879. [PMID: 36817428 PMCID: PMC9936618 DOI: 10.3389/fimmu.2023.1119879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Toll-like receptors (TLR) play a crucial role in the detection of microbial infections in vertebrates and invertebrates. Mammalian TLRs directly recognize a variety of structurally conserved microbial components. However, invertebrates such as Drosophila indirectly recognize microbial products by binding to the cytokine-like ligand Spätzle, which activates signaling cascades that are not completely understood. In this study, we investigated the signaling events triggered by Toll in response to lipopolysaccharide (LPS), a cell wall component of gram-negative bacteria, and Vibrio parahaemolyticus infection in the arthropod shrimp Litopenaeus vannamei. We found that five of the nine Tolls from L. vannamei bound to LPS and the RNAi of LvToll1, LvToll2, LvToll3, LvToll5, and LvToll9 weakened LvDorsal-L phosphorylation induced by V. parahaemolyticus. All nine Tolls combined with MyD88 via the TIR domain, thereby conferring signals to the tumor necrosis factor receptor-associated factor 6 (TRAF6)-transforming growth factor-β activated kinase 1 binding protein 2 (TAB2)-transforming growth factor-β activated kinase 1 (TAK1) complex. Further examination revealed that the LvTRAF6-LvTAB2-LvTAK1 complex contributes to Dorsal-L phosphorylation and nuclear translocation during V. parahaemolyticus infection. Overall, shrimp Toll1/2/3/5/9-TRAF6/TAB2/TAK1-Dorsal cascades protect the host from V. parahaemolyticus infection, which provides a better understanding of how the innate immune system recognizes and responds to bacterial infections in invertebrates.
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Affiliation(s)
- Sheng Wang
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
- China-Association of Southeast Asian Nations (ASEAN) Belt and Road Joint Laboratory on Marine Aquaculture Technology, Guangzhou, China
| | - Haoyang Li
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
- China-Association of Southeast Asian Nations (ASEAN) Belt and Road Joint Laboratory on Marine Aquaculture Technology, Guangzhou, China
| | - Qinyao Li
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
| | - Bin Yin
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
| | - Sedong Li
- Guangdong Evergreen Feed Industry Co., Ltd, Zhanjiang, China
| | - Jianguo He
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
- China-Association of Southeast Asian Nations (ASEAN) Belt and Road Joint Laboratory on Marine Aquaculture Technology, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, China
| | - Chaozheng Li
- State Key Laboratory of Biocontrol/Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Marine Sciences, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering/Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangzhou, China
- China-Association of Southeast Asian Nations (ASEAN) Belt and Road Joint Laboratory on Marine Aquaculture Technology, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, China
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16
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Liu S, Tu X, Chen X, Mo L, Liu Y, Xu J, Deng M, Wu Y. Effects of single and combined exposure to zinc and two tetracycline antibiotics on zebrafish at the early stage. Comp Biochem Physiol C Toxicol Pharmacol 2023; 264:109522. [PMID: 36427668 DOI: 10.1016/j.cbpc.2022.109522] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/20/2022] [Accepted: 11/16/2022] [Indexed: 11/23/2022]
Abstract
Tetracycline antibiotics (TCs) and heavy metals are commonly used in livestock and poultry farming, leading to their coexistence in the aquatic environment. This coexistence causes combined toxicity to aquatic organisms. Here, zebrafish embryos were exposed to chlortetracycline (CTC), oxytetracycline (OTC), zinc chloride (ZnCl2), and their combinations for 120 h to evaluate their adverse effects on the growth, antioxidant system, immune system, and endocrine system during the early stage of life. OTC/ZnCl2 combined exposure significantly reduced the body weight, whereas the TCs/ZnCl2 combination significantly increased the heart rate of zebrafish larvae, suggesting growth impairment induced by TCs and ZnCl2. Further, combined groups showed more prominent toxicity to the antioxidant system than single groups, as revealed by related levels of enzyme activity and gene expression. In addition, the levels of most pro-inflammatory genes were downregulated, and those of NF-κB-related genes were upregulated in all treatment groups, indicating an immunosuppressive response and the potential role of NF-κB signaling, while the combined treatment was not more toxic than TCs or ZnCl2 alone. Similarly, hormone and endocrine related gene levels were determined. Although both single and combined exposures caused certain endocrine-disrupting effects, the combined exposure did not result in higher toxicity than a single exposure. Our findings showed that a mixture of TCs and ZnCl2 might exert greater toxic effects as compared to a single compound on some systems, providing fundamental data on the toxic effects of single and combined TC and ZnCl2 exposure on aquatic organisms, although studies are needed to explore the underlying mechanisms.
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Affiliation(s)
- Shuai Liu
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China
| | - Xun Tu
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China; School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Xi Chen
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China; College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Limin Mo
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China; College of Life Science, Jiangxi Normal University, Nanchang 330022, China
| | - Yu Liu
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China
| | - Jiaojiao Xu
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China
| | - Mi Deng
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China.
| | - Yongming Wu
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang 330012, China.
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17
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Gao Z, Gao Z, Zhang H, Hou S, Zhou Y, Liu X. Targeting STING: From antiviral immunity to treat osteoporosis. Front Immunol 2023; 13:1095577. [PMID: 36741390 PMCID: PMC9891206 DOI: 10.3389/fimmu.2022.1095577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/30/2022] [Indexed: 01/19/2023] Open
Abstract
The cGAS-STING signaling pathway can trigger innate immune responses by detecting dsDNA from outside or within the host. In addition, the cGAS-STING signaling pathway has emerged as a critical mediator of the inflammatory response and a new target for inflammatory diseases. STING activation leads to dimerization and translocation to the endoplasmic reticulum Golgi intermediate compartment or Golgi apparatus catalyzed by TBK1, triggers the production of IRF3 and NF-κB and translocates to the nucleus to induce a subsequent interferon response and pro-inflammatory factor production. Osteoporosis is a degenerative bone metabolic disease accompanied by chronic sterile inflammation. Activating the STING/IFN-β signaling pathway can reduce bone resorption by inhibiting osteoclast differentiation. Conversely, activation of STING/NF-κB leads to the formation of osteoporosis by increasing bone resorption and decreasing bone formation. In addition, activation of STING inhibits the generation of type H vessels with the capacity to osteogenesis, thereby inhibiting bone formation. Here, we outline the mechanism of action of STING and its downstream in osteoporosis and discuss the role of targeting STING in the treatment of osteoporosis, thus providing new ideas for the treatment of osteoporosis.
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Affiliation(s)
- Zhonghua Gao
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhongguo Gao
- Department of Medical Laboratory Technology, School of Biomedical Engineering, Hubei University of Medicine, Shiyan, Hubei, China
| | - Hao Zhang
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shoubo Hou
- Department of General Practice, General Hospital of Central Theater Command, Wuhan, Hubei, China
| | - Yunhua Zhou
- Department of Wound Repair Surgery, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China,*Correspondence: Yunhua Zhou, ; Xiangjie Liu,
| | - Xiangjie Liu
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China,*Correspondence: Yunhua Zhou, ; Xiangjie Liu,
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18
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Vijayalalitha R, Archita T, Juanitaa GR, Jayasuriya R, Amin KN, Ramkumar KM. Role of Long Non-Coding RNA in Regulating ER Stress Response to the Progression of Diabetic Complications. Curr Gene Ther 2023; 23:96-110. [PMID: 35927920 DOI: 10.2174/1566523222666220801141450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/08/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
Chronic hyperglycemia damages the nerves and blood vessels, culminating in other vascular complications. Such complications enhance cytokine, oxidative and endoplasmic reticulum (ER) stress. ER is the primary organelle where proteins are synthesised and attains confirmatory changes before its site of destination. Perturbation of ER homeostasis activates signaling sensors within its lumen, the unfolded protein response (UPR) that orchestrates ER stress and is extensively studied. Increased ER stress markers are reported in diabetic complications in addition to lncRNA that acts as an upstream marker inducing ER stress response. This review focuses on the mechanisms of lncRNA that regulate ER stress markers, especially during the progression of diabetic complications. Through this systemic review, we showcase the dysfunctional lncRNAs that act as a leading cause of ER stress response to the progression of diabetic complications.
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Affiliation(s)
- Ramanarayanan Vijayalalitha
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Tca Archita
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - George Raj Juanitaa
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Ravichandran Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Karan Naresh Amin
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
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19
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Habtamu M, Miheret A, Spurkland A. Editorial: Host immune evasion by Mycobacterium tuberculosis: Current updates. Front Immunol 2022; 13:1102415. [PMID: 36582236 PMCID: PMC9793081 DOI: 10.3389/fimmu.2022.1102415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 12/05/2022] [Indexed: 12/15/2022] Open
Affiliation(s)
- Meseret Habtamu
- Department of Mycobacteria diseases Research, Armauer Hansen Research Institute (AHRI), Addis Ababa, Ethiopia,*Correspondence: Meseret Habtamu,
| | - Adane Miheret
- Department of Bacterial and Viral Diseases Research, Armauer Hansen Research Institute (AHRI), Addis Ababa, Ethiopia
| | - Anne Spurkland
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
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20
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Gao Y, Mi N, Zhang Y, Li X, Guan W, Bai C. Uterine macrophages as treatment targets for therapy of premature rupture of membranes by modified ADSC-EVs through a circRNA/miRNA/NF-κB pathway. J Nanobiotechnology 2022; 20:487. [PMCID: PMC9675163 DOI: 10.1186/s12951-022-01696-z] [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: 08/27/2022] [Accepted: 11/01/2022] [Indexed: 11/21/2022] Open
Abstract
Background Circular RNA (circRNA) is a type of stable non-coding RNA that modifies macrophage inflammation by sponging micro RNAs (miRNAs), binding to RNA-binding proteins, and undergoing translation into peptides. Activated M1 phenotype macrophages secrete matrix metalloproteinases to participate in softening of the cervix uteri to promote vaginal delivery. Methods In this study, the premature rupture of membranes (PROM) mouse model was used to analyze the role of macrophages in this process. Profiling of circRNAs was performed using a competing endogenous RNA microarray, and their functions were elucidated in vitro. Meanwhile, adipose tissue-derived stem cell-secreted extracellular vesicles (EVs) were applied as a vehicle to transport small interfering RNAs (siRNAs) targeting the circRNAs to demonstrate their biological function in vivo. Results The miRNA miR-1931 is dependent on the nuclear factor kappa-B (NF-κB) pathway but negatively regulates its activation by targeting the NF-κB signaling transducer TRAF6 to prevent polarization of M1 macrophages and inhibit matrix metalloproteinase (MMP) secretion. The host gene of circRNA B4GALNT1, also an NF-κB pathway-dependent gene, circularizes to form circRNA_0002047, which sponges miR-1931 to maintain NF-κB pathway activation and MMP secretion in vitro. In the PROM model, EVs loaded with siRNAs targeting circRNAs demonstrated that the circRNAs reduced miR-1931 expression to maintain NF-κB pathway activation and MMP secretion for accelerating PROM in vivo. Conclusions Our data provide insights into understanding PROM pathogenesis and improving PROM treatment. Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01696-z.
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Affiliation(s)
- Yuhua Gao
- grid.449428.70000 0004 1797 7280Institute of Precision Medicine, Jining Medical University, No.133 Hehua Road, Jining, Shandong 272067 People’s Republic of China ,grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No.2 Yuanmingyuan West Road, Haidian District, Beijing, 100193 People’s Republic of China
| | - Ningning Mi
- grid.449428.70000 0004 1797 7280Institute of Precision Medicine, Jining Medical University, No.133 Hehua Road, Jining, Shandong 272067 People’s Republic of China ,grid.443483.c0000 0000 9152 7385College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666, Wusu Road, Li’an, Zhejiang, China
| | - Ying Zhang
- grid.449428.70000 0004 1797 7280Institute of Precision Medicine, Jining Medical University, No.133 Hehua Road, Jining, Shandong 272067 People’s Republic of China
| | - Xiangchen Li
- grid.443483.c0000 0000 9152 7385College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 666, Wusu Road, Li’an, Zhejiang, China
| | - Weijun Guan
- grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No.2 Yuanmingyuan West Road, Haidian District, Beijing, 100193 People’s Republic of China
| | - Chunyu Bai
- grid.449428.70000 0004 1797 7280Institute of Precision Medicine, Jining Medical University, No.133 Hehua Road, Jining, Shandong 272067 People’s Republic of China ,grid.410727.70000 0001 0526 1937Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, No.2 Yuanmingyuan West Road, Haidian District, Beijing, 100193 People’s Republic of China
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21
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Kim JS, Kim HK, Cho E, Mun SJ, Jang S, Jang J, Yang CS. PE_PGRS38 Interaction With HAUSP Downregulates Antimycobacterial Host Defense via TRAF6. Front Immunol 2022; 13:862628. [PMID: 35572598 PMCID: PMC9095961 DOI: 10.3389/fimmu.2022.862628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 04/06/2022] [Indexed: 12/04/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) is the causative pathogen of tuberculosis (TB), which manipulates the host immunity to ensure survival and colonization in the host. Mtb possess a unique family of proteins, named PE_PGRS, associated with Mtb pathogenesis. Thus, elucidation of the functions of PE_PGRS proteins is necessary to understand TB pathogenesis. Here, we investigated the role of PE_PGRS38 binding to herpesvirus-associated ubiquitin-specific protease (HAUSP, USP7) in regulating the activity of various substrate proteins by modulating their state of ubiquitination. We constructed the recombinant PE_PGRS38 expressed in M. smegmatis (Ms_PE_PGRS38) to investigate the role of PE_PGRS38. We found that Ms_PE_PGRS38 regulated the cytokine levels in murine bone marrow-derived macrophages by inhibiting the deubiquitination of tumor necrosis factor receptor-associated factor (TRAF) 6 by HAUSP. Furthermore, the PE domain in PE_PGRS38 was identified as essential for mediating TRAF6 deubiquitination. Ms_PE_PGRS38 increased the intracellular burden of bacteria by manipulating cytokine levels in vitro and in vivo. Overall, we revealed that the interplay between HAUSP and PE_PGRS38 regulated the inflammatory response to increase the survival of mycobacteria.
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Affiliation(s)
- Jae-Sung Kim
- Department of Bionano Technology, Hanyang University, Seoul, South Korea.,Institute of Natural Science & Technology, Hanyang University, Ansan, South Korea
| | - Hyo Keun Kim
- Department of Molecular and Life Science, Hanyang University, Ansan, South Korea.,Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, South Korea
| | - Euni Cho
- Department of Bionano Technology, Hanyang University, Seoul, South Korea.,Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, South Korea
| | - Seok-Jun Mun
- Department of Bionano Technology, Hanyang University, Seoul, South Korea.,Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, South Korea
| | - Sein Jang
- Department of Molecular and Life Science, Hanyang University, Ansan, South Korea.,Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, South Korea
| | - Jichan Jang
- Molecular Mechanisms of Antibiotics, Division of Life Science, Research Institute of Life Science, Department of Bio & Medical Big Data (Brain Korea 21 Four Program), Gyeongsang National University, Jinju, South Korea
| | - Chul-Su Yang
- Department of Molecular and Life Science, Hanyang University, Ansan, South Korea.,Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, South Korea
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22
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Pan Y, Wang T, Zhao Z, Wei W, Yang X, Wang X, Xin W. Novel Insights into the Emerging Role of Neat1 and Its Effects Downstream in the Regulation of Inflammation. J Inflamm Res 2022; 15:557-571. [PMID: 35115805 PMCID: PMC8802408 DOI: 10.2147/jir.s338162] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 01/16/2022] [Indexed: 12/15/2022] Open
Affiliation(s)
- Yongli Pan
- Department of Neurology, Weifang Medical University, Weifang, Shandong, People’s Republic of China
- Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
| | - Ting Wang
- Department of Radiology, The Second Affiliated Hospital of Baotou Medical College, Baotou, 014030, People’s Republic of China
| | - Zhiqiang Zhao
- Department of Neurosurgery, Heji Hospital affiliated Changzhi Medical College, Shanxi, People’s Republic of China
| | - Wei Wei
- Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Xinyu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, People’s Republic of China
| | - Xianbin Wang
- Department of Emergency Medicine, The Second Affiliated Hospital of Baotou Medical College, Baotou, 014030, People’s Republic of China
- Xianbin Wang, Department of Emergency Medicine, The Second Affiliated Hospital of Baotou Medical College, Baotou, 014030, People’s Republic of China, Email
| | - Wenqiang Xin
- Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, People’s Republic of China
- Correspondence: Wenqiang Xin, Department of Neurosurgery, Tianjin Medical University General Hospital, Anshan Road No. 154, Tianjin, 300052, People’s Republic of China, Tel +86–18526201182, Fax +86–2260362062, Email
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23
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Jeon H, Yu J, Hwang JM, Park HW, Yu J, Lee ZW, Kim T, Rho J. 1,3-Dibenzyl-5-Fluorouracil Prevents Ovariectomy-Induced Bone Loss by Suppressing Osteoclast Differentiation. Immune Netw 2022; 22:e43. [DOI: 10.4110/in.2022.22.e43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/11/2022] [Accepted: 07/27/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Hyoeun Jeon
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 34134, Korea
| | - Jungeun Yu
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 34134, Korea
| | - Jung Me Hwang
- Center for Genomic Integrity, Institute for Basic Science, Ulsan 44919, Korea
| | - Hye-Won Park
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 34134, Korea
| | - Jiyeon Yu
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 34134, Korea
| | | | - Taesoo Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Korea
| | - Jaerang Rho
- Department of Microbiology and Molecular Biology, Chungnam National University, Daejeon 34134, Korea
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24
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So T. The immunological significance of tumor necrosis factor receptor-associated factors (TRAFs). Int Immunol 2021; 34:7-20. [PMID: 34453532 DOI: 10.1093/intimm/dxab058] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 07/27/2021] [Indexed: 01/03/2023] Open
Abstract
The tumor necrosis factor receptor (TNFR)-associated factor (TRAF) family of molecules are intracellular signaling adaptors and control diverse signaling pathways mediated not only by the TNFR superfamily and the Toll-like receptor/interleukin-1 receptor superfamily but also by unconventional cytokine receptors such as IL-6 and IL-17 receptors. There are seven family members, TRAF1 to TRAF7, in mammals. Exaggerated immune responses induced through TRAF signaling downstream of these receptors often lead to inflammatory and autoimmune diseases including rheumatoid arthritis, inflammatory bowel disease, psoriasis and autoinflammatory syndromes, and thus those signals are major targets for therapeutic intervention. For this reason, it has been very important to understand signaling mechanisms regulated by TRAFs that greatly impact on life/death decisions and the activation, differentiation and survival of cells of the innate and adaptive immune systems. Accumulating evidence suggests that dysregulated cellular expression and/or signaling of TRAFs causes overproduction of proinflammatory cytokines, which facilitates aberrant activation of immune cells. In this review, I will explain the structural and functional aspects that are responsible for the cellular activity and disease outcomes of TRAFs, and summarize the findings of recent studies on TRAFs in terms of how individual TRAF family molecules regulates biological and disease processes in the body in both positive and negative ways. This review also discusses how TRAF mutations contribute to human disease.
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Affiliation(s)
- Takanori So
- Laboratory of Molecular Cell Biology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama, Japan
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