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TRAF3

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https://www.readbyqxmd.com/read/28295222/traf3-cyld-mutations-identify-a-distinct-subset-of-human-papilloma-virus-associated-head-and-neck-squamous-cell-carcinoma
#1
Michael Hajek, Andrew Sewell, Susan Kaech, Barbara Burtness, Wendell G Yarbrough, Natalia Issaeva
BACKGROUND: The incidence of human papillomavirus (HPV)-associated (HPV-positive) head and neck squamous cell carcinoma (HNSCC) of the oropharynx has dramatically increased over the last decade and continues to rise. Newly diagnosed HPV-positive HNSCCs in the United States currently outnumber any other HPV-associated cancers, including cervical cancer. Despite introduction of the HPV vaccine, the epidemic of HPV-positive HNSCC is expected to continue for approximately 60 years. Compared with patients who have tobacco-associated HNSCC, those who have HPV-positive HNSCC have better overall survival and response to treatment...
March 13, 2017: Cancer
https://www.readbyqxmd.com/read/28295216/genetic-alterations-in-traf3-and-cyld-that-regulate-nuclear-factor-%C3%AE%C2%BAb-and-interferon-signaling-define-head-and-neck-cancer-subsets-harboring-human-papillomavirus
#2
Tony Chen, Jialing Zhang, Zhong Chen, Carter Van Waes
No abstract text is available yet for this article.
March 13, 2017: Cancer
https://www.readbyqxmd.com/read/28286228/the-smac-mimetic-birinapant-attenuates-lipopolysaccharide-induced-liver-injury-by-inhibiting-the-tumor-necrosis-factor-receptor-associated-factor-3-degradation-in-kupffer-cells
#3
Hongxiang Liu, Rui Liao, Kun He, Xiwen Zhu, Peizhi Li, Jianping Gong
It was demonstrated that second mitochondria-derived activator of caspases (SMAC) mimetic inhibites tumor necrosis factor receptor-associated factor 3 (TRAF3) degradation and the mitogen-activated protein kinase (MAPK) signaling pathway activation induced by lipopolysaccharide (LPS) in vitro. However, the effect of Smac mimetic in vivo is not clear. The present study was to investigate the role of Smac mimetic in LPS-induced liver injury in mice and its possible mechanism. An animal model of LPS-induced liver injury was established by intraperitoneally injecting mice with 10mg/kg LPS pretreatment with or without Smac mimetic birinapant (30mg/kg body weight)...
March 9, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28234347/bi-allelic-inactivation-is-more-prevalent-at-relapse-in-multiple-myeloma-identifying-rb1-as-an-independent-prognostic-marker
#4
S S Chavan, J He, R Tytarenko, S Deshpande, P Patel, M Bailey, C K Stein, O Stephens, N Weinhold, N Petty, D Steward, L Rasche, M Bauer, C Ashby, E Peterson, S Ali, J Ross, V A Miller, P Stephens, S Thanendrarajan, C Schinke, M Zangari, F van Rhee, B Barlogie, T I Mughal, F E Davies, G J Morgan, B A Walker
The purpose of this study is to identify prognostic markers and treatment targets using a clinically certified sequencing panel in multiple myeloma. We performed targeted sequencing of 578 individuals with plasma cell neoplasms using the FoundationOne Heme panel and identified clinically relevant abnormalities and novel prognostic markers. Mutational burden was associated with maf and proliferation gene expression groups, and a high-mutational burden was associated with a poor prognosis. We identified homozygous deletions that were present in multiple myeloma within key genes, including CDKN2C, RB1, TRAF3, BIRC3 and TP53, and that bi-allelic inactivation was significantly enriched at relapse...
February 24, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28219902/ndr1-protein-kinase-promotes-il-17-and-tnf-%C3%AE-mediated-inflammation-by-competitively-binding-traf3
#5
Chunmei Ma, Wenlong Lin, Zhiyong Liu, Wei Tang, Rahul Gautam, Hui Li, Youcun Qian, He Huang, Xiaojian Wang
Interleukin 17 (IL-17) is an important inducer of tissue inflammation and is involved in numerous autoimmune diseases. However, how its signal transduction is regulated is not well understood. Here, we report that nuclear Dbf2-related kinase 1 (NDR1) functions as a positive regulator of IL-17 signal transduction and IL-17-induced inflammation. NDR1 deficiency or knockdown inhibits the IL-17-induced phosphorylation of p38, ERK1/2, and p65 and the expression of chemokines and cytokines, whereas the overexpression of NDR1 promotes IL-17-induced signaling independent of its kinase activity...
February 20, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28185403/traf3-delays-cyst-formation-induced-by-nf-%C3%AE%C2%BAb-signaling
#6
Liping Sun, Chaofeng Hu, Xinzhou Zhang
This study aims to investigate the effects of TNF receptors associated factor 3 (TRAF3) on the signaling pathway and expression of downstream products of nuclear factor kappa B (NF-κB) in the epithelial cells of renal ducts in individuals with polycystic kidney disease (PKD). We observe the TRAF3 genic overexpression of the epithelial cells, which form a tubular branch structure, in polycystic kidneys and to explore the protective effect of TRAF3 on the cystogenesis and progression of PKD. Western blotting analysis was conducted to examine the signaling changes of NF-κB in PKD the epithelial cells and TRAF3 transgenic PKD epithelial cells...
February 10, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28131045/inflammatory-gene-expression-in-whole-blood-cells-after-epa-vs-dha-supplementation-results-from-the-compared-study
#7
Cécile Vors, Janie Allaire, Johanne Marin, Marie-Claude Lépine, Amélie Charest, André Tchernof, Patrick Couture, Benoît Lamarche
BACKGROUND AND AIMS: Whether EPA and DHA exert similar anti-inflammatory effects through modulation of gene expression in immune cells remains unclear. The aim of the study was to compare the impact of EPA and DHA supplementation on inflammatory gene expression in subjects at risk for cardiometabolic diseases. METHODS: In this randomized double-blind crossover trial, 154 men and women with abdominal obesity and low-grade inflammation were subjected to three 10-wk supplementation phases: 1) EPA (2...
February 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28109007/retinoic-acid-inducible-gene-i-rig-i-like-receptors-rlrs-in-fish-current-knowledge-and-future-perspectives
#8
REVIEW
Shan Nan Chen, Peng Fei Zou, Pin Nie
Retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs) are found conservatively present in teleost fish. All three members, RIG-I, MDA5 and LGP2 together with the downstream molecules such as MITA, TRAF3 and TBK1 have been identified in a range of fish species. However, it is a bit unexpected that RIG-I has not been reported in fish of Acanthopterygii, and it would be important to clarify the presence and role of RIG-I gene in a broad range of taxa in Teleostei. RLRs in fish can be induced in vivo and in vitro by viral pathogens as well as synthetic double-stranded RNA (dsRNA), poly(I:C), leading to the production of type I IFNs and the expression of IFN stimulated genes (ISGs)...
January 20, 2017: Immunology
https://www.readbyqxmd.com/read/28102839/foot-and-mouth-disease-virus-infection-suppresses-autophagy-and-nf-%C3%B0%C2%BAb-antiviral-responses-via-degradation-of-atg5-atg12-by-3c-pro
#9
Xuxu Fan, Shichong Han, Dan Yan, Yuan Gao, Yanquan Wei, Xiangtao Liu, Ying Liao, Huichen Guo, Shiqi Sun
Autophagy-related protein ATG5-ATG12 is an essential complex for the autophagophore elongation in autophagy, which has been reported to be involved in foot-and-mouth disease virus (FMDV) replication. Previous reports show that ATG5-ATG12 positively or negatively regulates type I interferon (IFN-α/β) pathway during virus infection. In this study, we found that FMDV infection rapidly induced LC3 lipidation and GFP-LC3 subcellular redistribution at the early infection stage in PK-15 cells. Along with infection time course to 2-5 h...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28098136/exome-and-genome-sequencing-of-nasopharynx-cancer-identifies-nf-%C3%AE%C2%BAb-pathway-activating-mutations
#10
Yvonne Y Li, Grace T Y Chung, Vivian W Y Lui, Ka-Fai To, Brigette B Y Ma, Chit Chow, John K S Woo, Kevin Y Yip, Jeongsun Seo, Edwin P Hui, Michael K F Mak, Maria Rusan, Nicole G Chau, Yvonne Y Y Or, Marcus H N Law, Peggy P Y Law, Zoey W Y Liu, Hoi-Lam Ngan, Pok-Man Hau, Krista R Verhoeft, Peony H Y Poon, Seong-Keun Yoo, Jong-Yeon Shin, Sau-Dan Lee, Samantha W M Lun, Lin Jia, Anthony W H Chan, Jason Y K Chan, Paul B S Lai, Choi-Yi Fung, Suet-Ting Hung, Lin Wang, Ann Margaret V Chang, Simion I Chiosea, Matthew L Hedberg, Sai-Wah Tsao, Andrew C van Hasselt, Anthony T C Chan, Jennifer R Grandis, Peter S Hammerman, Kwok-Wai Lo
Nasopharyngeal carcinoma (NPC) is an aggressive head and neck cancer characterized by Epstein-Barr virus (EBV) infection and dense lymphocyte infiltration. The scarcity of NPC genomic data hinders the understanding of NPC biology, disease progression and rational therapy design. Here we performed whole-exome sequencing (WES) on 111 micro-dissected EBV-positive NPCs, with 15 cases subjected to further whole-genome sequencing (WGS), to determine its mutational landscape. We identified enrichment for genomic aberrations of multiple negative regulators of the NF-κB pathway, including CYLD, TRAF3, NFKBIA and NLRC5, in a total of 41% of cases...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28071724/osteoclastic-mir-214-targets-traf3-to-contribute-to-osteolytic-bone-metastasis-of-breast-cancer
#11
Jin Liu, Defang Li, Lei Dang, Chao Liang, Baosheng Guo, Cheng Lu, Xiaojuan He, Hilda Y S Cheung, Bing He, Biao Liu, Fangfei Li, Jun Lu, Luyao Wang, Atik Badshah Shaikh, Feng Jiang, Changwei Lu, Songlin Peng, Zongkang Zhang, Bao-Ting Zhang, Xiaohua Pan, Lianbo Xiao, Aiping Lu, Ge Zhang
The role of osteoclastic miRNAs in regulating osteolytic bone metastasis (OBM) of breast cancer is still underexplored. Here, we examined the expression profiles of osteoclastogenic miRNAs in human bone specimens and identified that miR-214-3p was significantly upregulated in breast cancer patients with OBM. Consistently, we found increased miR-214-3p within osteoclasts, which was associated with the elevated bone resorption, during the development of OBM in human breast cancer xenografted nude mice (BCX). Furthermore, genetic ablation of osteoclastic miR-214-3p in nude mice prevent the development of OBM...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053087/targeting-traf3ip2-by-genetic-and-interventional-approaches-inhibits-ischemia-reperfusion-induced-myocardial-injury-and-adverse-remodeling
#12
John M Erikson, Anthony J Valente, Srinivas Mummidi, Hemanth Kumar Kandikattu, Vincent G DeMarco, Shawn B Bender, William P Fay, Ulrich Siebenlist, Bysani Chandrasekar
Re-establishing blood supply is the primary goal for reducing myocardial injury in subjects with ischemic heart disease. Paradoxically, reperfusion results in nitroxidative stress and a marked inflammatory response in the heart. TRAF3IP2 (TRAF3 Interacting Protein 2; previously known as CIKS or Act1) is an oxidative stress-responsive cytoplasmic adapter molecule that is an upstream regulator of both IκB kinase (IKK) and c-Jun N-terminal kinase (JNK), and an important mediator of autoimmune and inflammatory responses...
February 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28049150/fosl1-inhibits-type-i-interferon-responses-to-malaria-and-viral-infections-by-blocking-tbk1-and-traf3-trif-interactions
#13
Baowei Cai, Jian Wu, Xiao Yu, Xin-Zhuan Su, Rong-Fu Wang
Innate immune response plays a critical role in controlling invading pathogens, but such an immune response must be tightly regulated. Insufficient or overactivated immune responses may lead to harmful or even fatal consequences. To dissect the complex host-parasite interactions and the molecular mechanisms underlying innate immune responses to infections, here we investigate the role of FOS-like antigen 1 (FOSL1) in regulating the host type I interferon (IFN-I) response to malaria parasite and viral infections...
January 3, 2017: MBio
https://www.readbyqxmd.com/read/28042704/development-of-an-in-vitro-immunobiotic-evaluation-system-against-rotavirus-infection-in-bovine-intestinal-epitheliocytes
#14
H Kobayashi, P Kanmani, T Ishizuka, A Miyazaki, J Soma, L Albarracin, Y Suda, T Nochi, H Aso, N Iwabuchi, J-Z Xiao, T Saito, J Villena, H Kitazawa
The bovine intestinal epithelial cell line (BIE cells) expresses the Toll-like receptor (TLR)3 and is able to mount an antiviral immune response after the stimulation with poly(I:C). In the present study, we aimed to further characterise the antiviral defence mechanisms in BIE cells by evaluating the innate immune response triggered by rotavirus (RV) infection. In addition, we attempted to determine whether immunobiotic bifidobacteria are able to confer protection of BIE cells against RV infection by beneficially modulating the antiviral immune response...
January 2, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28031331/activation-dependent-traf3-exon-8-alternative-splicing-is-controlled-by-celf2-and-hnrnp-c-binding-to-an-upstream-intronic-element
#15
Astrid-Solveig Schultz, Marco Preußner, Mario Bunse, Rotem Karni, Florian Heyd
Cell-type specific and inducible alternative splicing has a fundamental impact on regulating gene expression and cellular function in a variety of settings including activation and differentiation. We have recently shown that activation-induced skipping of TRAF3 exon 8 activates non-canonical NFkB signaling upon T cell stimulation, but the regulatory basis for this splicing event remains unknown. Here we identify cis- and trans-regulatory elements rendering this splicing switch activation-dependent and cell-type specific...
December 28, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28024872/molecular-and-functional-characterization-of-pigeon-columba-livia-tumor-necrosis-factor-receptor-associated-factor-3
#16
Yingying Zhou, Xilong Kang, Dan Xiong, Shanshan Zhu, Huijuan Zheng, Ying Xu, Yaxin Guo, Zhiming Pan, Xinan Jiao
Tumor necrosis factor receptor-associated factor 3 (TRAF3) plays a key antiviral role by promoting type I interferon production. We cloned the pigeon TRAF3 gene (PiTRAF3) according to its predicted mRNA sequence to investigate its function. The 1704-bp full-length open reading frame encodes a 567-amino acid protein. One Ring finger, two TRAF-type Zinc fingers, one Coiled coil, and one MATH domain were inferred. RT-PCR showed that PiTRAF3 was expressed in all tissues, with relatively weak expression in the heart and liver...
December 23, 2016: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/27990012/characterization-of-the-traf3ip1-gene-in-yesso-scallop-patinopecten-yessoensis-and-its-expression-in-response-to-bacterial-challenge
#17
Jie Cheng, Jing Wang, Shuyue Wang, Ruojiao Li, Xianhui Ning, Qiang Xing, Xiaoli Ma, Lingling Zhang, Shi Wang, Xiaoli Hu, Zhenmin Bao
Tumor necrosis factor receptor-associated factor 3 (TRAF3) is an important adaptor that transmits upstream activation signals to induce innate immune responses. TRAF3 interacting protein 1 (TRAF3IP1) interacts specifically with TRAF3, but its function in innate immunity remains unclear, especially in marine invertebrates. In this study, to better understand the functions of TRAFs in innate immune responses, we identified and characterized the first bivalve TRAF3IP1 gene, PyTRAF3IP1, from Yesso scallop (Patinopecten yessoensis), one of the most important mollusk species for aquaculture...
December 19, 2016: Genes & Genetic Systems
https://www.readbyqxmd.com/read/27980081/ddx3-directly-regulates-traf3-ubiquitination-and-acts-as-a-scaffold-to-coordinate-assembly-of-signalling-complexes-downstream-of-mavs
#18
Lili Gu, Anthony Fullam, Niamh McCormack, Yvette Hoehn, Martina Schroeder
Human DEAD-box helicase 3 (DDX3) has been shown to contribute to type I interferon induction downstream of anti-viral pattern recognition receptors (PRRs). It binds to TANK-binding kinase 1 (TBK1) and IκB-kinase-ε (IKKε), the two key kinases mediating activation of Interferon regulatory factor (IRF) 3 and IRF7. We previously demonstrated that DDX3 facilitates IKKε activation downstream of RIG-I and then links the activated kinase to IRF3. In this study, we probed the interactions between DDX3 and other key signalling molecules in the RIG-I pathway and identified a novel direct interaction between DDX3 and TRAF3 mediated by a TRAF-interaction motif in the N-terminus of DDX3, which was required for TRAF3 ubiquitination...
December 15, 2016: Biochemical Journal
https://www.readbyqxmd.com/read/27956705/arfgap-domain-containing-protein-2-adap2-integrates-upstream-and-downstream-modules-of-rig-i-signaling-and-facilitates-type-i-interferon-production
#19
Pradeep Bist, Susana Soo-Yeon Kim, Niyas Kudukil Pulloor, Kathleen McCaffrey, Sajith Kumar Nair, Yiliu Liu, Rongtuan Lin, Manoj N Krishnan
Transcription of type I interferon genes during RNA virus infection requires signal communication between several pattern recognition receptor (PRR)-adaptor complexes located at distinct subcellular membranous compartments and a central cytoplasmic TBK1-interferon regulatory factor 3 (IRF3) kinase-transcription factor module. However, how the cell integrates signal transduction through spatially distinct modules of antiviral signaling pathways is less defined. RIG-I is a major cytosolic PRR involved in the control of several RNA viruses...
March 15, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/27916934/immune-related-gene-expression-patterns-in-gpv-or-h9n2-infected-goose-spleens
#20
Shun Chen, Anqi Wang, Lipei Sun, Fei Liu, Mingshu Wang, Renyong Jia, Dekang Zhu, Mafeng Liu, Qiao Yang, Ying Wu, Kunfeng Sun, Xiaoyue Chen, Anchun Cheng
Goose parvovirus (GPV) and avian influenza virus subtype H9N2 are single-stranded DNA (ssDNA) and single-stranded RNA (ssRNA) viruses, respectively, both of which can spread in goslings and cause a significant economic loss. To explore the comprehensive transcriptome of GPV- or H9N2-infected goose spleens and to understand the immune responses induced by a DNA virus (GPV) or a RNA virus (H9N2), RNA-seq was performed on the spleens of goslings at the fifth day post infection. In the present study, 2604 and 2409 differentially expressed unigenes were identified in the GPV- and H9N2-infected groups, respectively...
December 1, 2016: International Journal of Molecular Sciences
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