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https://www.readbyqxmd.com/read/28315393/tumor-necrosis-factor-receptor-associated-factor-6-traf6-participates-in-peroxinectin-gene-expression-in-fenneropenaeus-penicillatus
#1
Shuanghu Cai, Yucong Huang, Bei Wang, Jichang Jian, Youhou Xu
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is an important cytoplasm signal adaptor that mediates signals activated by tumor necrosis factor receptor (TNFR) superfamily and the Interleukin-1 receptor/Toll-like receptor (IL-1/TLR) superfamily. In the study, the full-length cDNA of a TRAF6 homolog (FpTRAF6) was identified from Fenneropenaeus penicillatus. The full-length cDNA of FpTRAF6 is 2033 bp long, with an open reading frame (ORF) encoding a putative protein of 594 amino acids, including a RING type Zinc finger, two TRAF-type Zinc fingers, and a conserved C-terminal meprin and TRAF homology (MATH) domain...
March 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28300056/imbalance-between-tnf%C3%AE-and-progranulin-contributes-to-memory-impairment-and-anxiety-in-sleep-deprived-mice
#2
Kun Zhang, Yu-Jiao Li, Dan Feng, Peng Zhang, Ya-Tao Wang, Xiang Li, Shui-Bing Liu, Yu-Mei Wu, Ming-Gao Zhao
Sleep disorder is becoming a widespread problem in current society, and is associated with impaired cognition and emotional disorders. Progranulin (PGRN), also known as granulin epithelin precursor, promotes neurite outgrowth and cell survival, and is encoded by the GRN gene. It is a tumor necrosis factor α receptor (TNFR) ligand which is implicated in many central nervous system diseases. However, the role PGRN in sleep disorder remains unclear. In the present study, we found that sleep deprivation (S-DEP) impaired the memory and produced thigmotaxis/anxiety-like behaviors in mice...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289704/preferential-tnf%C3%AE-signaling-via-tnfr2-regulates-epithelial-injury-and-duct-obstruction-in-experimental-biliary-atresia
#3
Pranavkumar Shivakumar, Tatsuki Mizuochi, Reena Mourya, Sridevi Gutta, Li Yang, Zhenhua Luo, Jorge A Bezerra
Biliary atresia is an obstructive cholangiopathy of infancy that progresses to end-stage cirrhosis. Although the pathogenesis of the disease is not completely understood, previous reports link TNFα to apoptosis of the bile duct epithelium in the presence of IFNγ. Here, we investigate if TNFα signaling regulates pathogenic mechanisms of biliary atresia. First, we quantified the expression of TNFA and its receptors TNFR1 and TNFR2 in human livers and found an increased expression of the receptors at the time of diagnosis...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28256549/circulating-tnf-receptors-1-and-2-predict-mortality-in-patients-with-end-stage-renal-disease-undergoing-dialysis
#4
Tomohito Gohda, Shuntaro Maruyama, Nozomu Kamei, Saori Yamaguchi, Terumi Shibata, Maki Murakoshi, Satoshi Horikoshi, Yasuhiko Tomino, Isao Ohsawa, Hiromichi Gotoh, Shuko Nojiri, Yusuke Suzuki
Relatively high circulating levels of soluble tumor necrosis factor (TNF) receptors (TNFRs: TNFR1, TNFR2) have been associated with not only progression to end-stage renal disease but also mortality in patients with diabetes. It remains unknown whether elevated TNFR levels in haemodialysis patients are associated with mortality. We studied 319 patients receiving maintenance haemodialysis who were followed for a median of 53 months. Circulating markers of TNF pathway (TNFα and TNFRs) were measured with immunoassay...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28250156/microrna-3570-modulates-the-nf-%C3%AE%C2%BAb-pathway-in-teleost-fish-by-targeting-myd88
#5
Qing Chu, Yuena Sun, Junxia Cui, Tianjun Xu
The inflammatory response, a protective process to clear detrimental stimuli, constitutes the defense against infectious pathogens. However, excessive inflammation disrupts immune homeostasis, which may induce autoimmune and inflammatory diseases. In this study, we report that microRNA (miR)-3570 plays a negative role in the bacteria-induced inflammatory response of miiuy croaker. Upregulation of miR-3570 by Vibrio anguillarum and LPS inhibits LPS-induced inflammatory cytokine production, thus avoiding an excessive inflammation response...
March 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28229280/posterior-urethral-valve-in-fetuses-evidence-for-the-role-of-inflammatory-molecules
#6
Érica Leandro Marciano Vieira, Natalia Pessoa Rocha, Fernando Macedo Bastos, Kátia Daniela da Silveira, Alamanda K Pereira, Eduardo Araújo Oliveira, Débora Marques de Miranda, Ana Cristina Simões E Silva
BACKGROUND: The aim of this cross-sectional study was to investigate inflammatory biomarkers in urine samples of 24 fetuses with posterior urethral valve (PUV) collected at 22 ± 4 weeks of gestation and to compare the findings with measurements in urine samples of 22 male healthy preterm neonates at 23 ± 4 weeks (control group). METHODS: Inflammatory biomarkers in urine were measured using a cytometric bead array [interleukin (IL)-2, IL-4, IL-6, IL-10, interferon (IFN)-γ, soluable tumor necrosis factor receptor (TNFR) 1, sTNFR2, monocyte chemoattractant protein-1/chemokine ligand 2 (MCP-1/CCL2), eotaxin/CCL11 and interferon gamma-induced protein/10/C-X-C motif chemokine 10 (IP-10/CXCL10)] and ELISA assays [TNF, IL-8/CXCL8 and transforming growth factor-beta (TGF-β)]...
February 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28215307/structural-characterization-of-the-p75-neurotrophin-receptor-a-stranger-in-the-tnfr-superfamily
#7
M Vilar
Although p75 neurotrophin receptor (p75(NTR)) was the founding member of the tumor necrosis factor (TNF) receptor superfamily (TNFRSF), it is an atypical TNFRSF protein. p75(NTR) like TNF-R1 and Fas-R contain an extracellular domain with four cysteine-rich domains (CRD) and a death domain (DD) in the intracellular region. While TNFRSF proteins are activated by trimeric TNFSF ligands, p75(NTR) forms dimers activated by dimeric neurotrophins that are structurally unrelated to TNFSF proteins. In addition, although p75(NTR) shares with other members the interaction with the TNF receptor-associated factors to activate the NF-κB and cell death pathways, p75(NTR) does not interact with the DD-containing proteins FADD, TRADD, or MyD88...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28211786/sieving-and-extraction-of-peptides-and-proteins-during-hemofiltration-a-systematic-review%C3%A2
#8
J Scott Baird
The relationship between the sieving coefficient (SC) or extraction ratio (ER) and the molecular weight (MW) of peptide and protein solutes during hemofiltration has not been investigated; it is possible that the SC and ER correlate with MW, permitting an estimate of peptide and protein clearance by hemofiltration in the absence of empiric data. A search for studies of the SC and/or ER for peptide and protein solutes during hemofiltration identified data for β2-microglobulin, brain natriuretic peptide, carperitide, IL-1β, IL-1RA, IL-6, IL-8, lysozyme, myoglobin, neutrophil gelatinase-associated lipocalin, procalcitonin, retinol-binding protein, TNF-α, soluble TNFR-1, soluble TNFR-II, and vasopressin using polyacrylonitrile, polysulfone, polyamide, and cellulose hemofilters...
February 17, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28159803/tripartite-motif-containing-28-bridges-endothelial-inflammation-and-angiogenic-activity-by-retaining-expression-of-tnfr-1-and-2-and-vegfr2-in-endothelial-cells
#9
Yinfang Wang, Jinping Li, Yitong Huang, Xiuqin Dai, Youbin Liu, Zongjun Liu, Ying Wang, Nanping Wang, Peng Zhang
Angiogenesis and inflammation are regarded as important factors in the pathogenesis of chronic inflammation, cancer, and wound healing. Recent studies have supported prior evidence that common signaling pathways are involved in angiogenesis and inflammatory responses; however, key factors controlling both processes remain unclear. Although tripartite motif-containing (TRIM)-28 is known to have an immunosuppressive role in immune cells, its expression level and role in endothelial cells (ECs) are still unclear...
February 3, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28158970/tumor-necrosis-factor-alpha-inhibitors-have-no-effect-on-a-human-t-lymphotropic-virus-type-i-htlv-i-infected-cell-line-from-patients-with-htlv-i-associated-myelopathy
#10
Shoichi Fukui, Hideki Nakamura, Yoshiko Takahashi, Naoki Iwamoto, Hiroo Hasegawa, Katsunori Yanagihara, Tatsufumi Nakamura, Akihiko Okayama, Atsushi Kawakami
BACKGROUND: While tumor necrosis factor alpha (TNF-α) inhibitors (TNFi) and other biologics are very effective against autoimmune diseases, they can also cause infectious diseases. Therefore, it is important to clarify whether the TNFi sometimes used to treat patients with rheumatoid arthritis (RA) complicated with human T-lymphotropic virus type-I (HTLV-I) infection have the unintended side effect of promoting HTLV-I proliferation. METHODS: We used the HTLV-I-infected cell line HCT-5, derived from spinal fluid cells of a patient with HTLV-I associated myelopathy, to evaluate the production of cytokines and chemokines, TNF-α receptor (TNFR), the expression of HTLV-I associated genes, the HTLV-I proviral load (PVL), the expression of HTLV-I structural protein, and apoptosis...
February 3, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28153771/b-cell-function-gene-mutations-in-diffuse-large-b-cell-lymphoma-a-retrospective-cohort-study
#11
Peng-Peng Xu, Hui-Juan Zhong, Yao-Hui Huang, Xiao-Dong Gao, Xia Zhao, Yang Shen, Shu Cheng, Jin-Yan Huang, Sai-Juan Chen, Li Wang, Wei-Li Zhao
Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous subtype of non-Hodgkin lymphoma. In addition to clinical and immunophenotypic characteristics, recurrent gene mutations have recently been identified in patients with DLBCL using next-generation sequencing technologies. The aim of this study is to investigate the clinical relevance of B-cell function gene mutations in DLBCL. Clinical analysis was performed on 680 Chinese DLBCL patients (146 non-CR and 534 CR cases) treated with six cycles of 21-day R-CHOP (Rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone), alone or followed by two additional doses of rituximab consolidation on patients' own intention...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/28144786/serum-concentrations-of-apoptosis-associated-molecules-in-septic-children-with-leukemia-neutropenia-and-fever
#12
Jesus Reyna-Figueroa, Alfredo Lagunas-Martínez, Patricia Galindo-Delgado, María Fernanda Fernández-Bautista, Paola Guadalupe Castro-Oteo, Pilar Martínez-Matsumoto, Erika Melchy Perez, Yvonne Rosenstein, Ana Elena Limón-Rojas, Federico Javier Ortiz-Ibarra, Vicente Madrid-Marina
It has been shown that Fas, Fas-L, TNF and TNFR-1 display high serum concentrations in subjects with sepsis. This suggests that these are potential severity markers. However, the serum concentration of these molecules in children with leukemia and suspected sepsis has to be established before proposing their use as diagnostic biomarkers. We included children <17 years of age diagnosed with acute lymphoblastic leukemia with neutropenia and fever (NF). The subjects were divided into two groups: (1) leukemia and NF with sepsis, (2) leukemia and NF without sepsis...
January 31, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28103571/identification-of-aurintricarboxylic-acid-as-a-selective-inhibitor-of-the-tweak-fn14-signaling-pathway-in-glioblastoma-cells
#13
Alison Roos, Harshil D Dhruv, Ian T Mathews, Landon J Inge, Serdar Tuncali, Lauren K Hartman, Donald Chow, Nghia Millard, Holly H Yin, Jean Kloss, Joseph C Loftus, Jeffrey A Winkles, Michael E Berens, Nhan L Tran
The survival of patients diagnosed with glioblastoma (GBM), the most deadly form of brain cancer, is compromised by the proclivity for local invasion into the surrounding normal brain, which prevents complete surgical resection and contributes to therapeutic resistance. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK), a member of the tumor necrosis factor (TNF) superfamily, can stimulate glioma cell invasion and survival via binding to fibroblast growth factor-inducible 14 (Fn14) and subsequent activation of the transcription factor NF-κB...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28092866/transmembrane-tumor-necrosis-factor-%C3%AE-promotes-the-recruitment-of-mdscs-to-tumor-tissue-by-upregulating-cxcr4-expression-via-tnfr2
#14
Hongping Ba, Baihua Li, Xiaoyan Li, Cheng Li, Anlin Feng, Yazhen Zhu, Jing Wang, Zhuoya Li, Bingjiao Yin
Myeloid-derived suppressor cells (MDSCs) accumulated in tumor sites promote immune evasion. We found that TNFR deficiency-induced rejection of transplanted tumor was accompanied with markedly decreased accumulation of MDSCs. However, the mechanism(s) behind this phenomenon is not completely understood. Here, we demonstrated that TNFR deficiency did not affect the amount of MDSCs in bone marrow (BM), but decreased accumulation of Gr-1(+)CD11b(+) MDSCs in the spleen and tumor tissues. The chemotaxis of Tnfr(-/-) MDSCs was prominently decreased in response to both tumor cell culture supernatants and tumor tissue homogenates from Tnfr(-/-) and wild-type mice, indicating an effect of TNFR signaling on chemokine receptor expression in MDSCs...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28087739/tnf-signaling-through-rip1-kinase-enhances-sn38-induced-death-in-colon-adenocarcinoma
#15
Lucia Cabal-Hierro, Peter J O'Dwyer
Elucidation of tumor necrosis factor (TNF)-directed mechanisms for cell death induction and maintenance of tumor growth has revealed a role for receptor-interacting protein kinases 1 and 3 (RIPK1/RIP1 and RIPK3/RIP3), components of the necrosome complex, as determinants of cell fate. Here the participation of TNF signaling was analyzed with regard to the cytotoxic action of different DNA damaging agents in a panel of colon cancer cells. While most of these cell lines were insensitive to TNF, combination with these drugs increased sensitivity by inducing cell death and DNA damage, especially in the case of the topoisomerase inhibitor SN38...
January 13, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28066794/altered-monocyte-and-endothelial-cell-adhesion-molecule-expression-is-linked-to-vascular-inflammation-in-human-immunodeficiency-virus-infection
#16
Manjusha Kulkarni, Emily Bowman, Janelle Gabriel, Taylor Amburgy, Elizabeth Mayne, David A Zidar, Courtney Maierhofer, Abigail Norris Turner, Jose A Bazan, Susan L Koletar, Michael M Lederman, Scott F Sieg, Nicholas T Funderburg
BACKGROUND: Human immunodeficiency virus (HIV)-infected individuals have increased risk for vascular thrombosis, potentially driven by interactions between activated leukocytes and the endothelium. METHODS: Monocyte subsets (CD14(+)CD16(-), CD14(+)CD16(+), CD14(Dim)CD16(+)) from HIV negative (HIV(-)) and antiretroviral therapy-treated HIV positive (HIV(+)) participants (N = 19 and 49) were analyzed by flow cytometry for adhesion molecule expression (lymphocyte function-associated antigen 1 [LFA-1], macrophage-1 antigen [Mac-1], CD11c/CD18, very late antigen [VLA]-4) and the fractalkine receptor (CX3CR1); these receptors recognize ligands (intercellular adhesion molecules [ICAMs], vascular cell adhesion molecule [VCAM]-1, fractalkine) on activated endothelial cells (ECs) and promote vascular migration...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28013046/loss-of-tradd-attenuates-pressure-overload-induced-cardiac-hypertrophy-through-regulating-tak1-p38-mapk-signalling-in-mice
#17
Lianpin Wu, Zhiyong Cao, Ling Ji, Liqin Mei, Qike Jin, Jingjing Zeng, Jiafeng Lin, Maoping Chu, Lei Li, Xiangjun Yang
We investigated the role of tumour necrosis factor receptor (TNFR)-associated death domain (TRADD) on pressure overload-induced cardiac hypertrophy and the underlying molecular mechanisms by using a TRADD deficiency mice model. 6-8 weeks wild-type and TRADD knockout mice were performed to transverse aorta constriction (TAC) or sham operation (6-8 mice for each group). 14 days after TAC, cardiac function was measured by echocardiography, as well as by pathological and molecular analyses of heart samples. The expressions of cardiac hypertrophic and fibrotic markers were detected by qPCR...
December 22, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27979472/regulation-of-myocardial-stromal-cell-derived-factor-1%C3%AE-cxcl12-by-tumor-necrosis-factor-signaling
#18
Meijing Wang, Lina Wang, Chunyan Huang, I-Wen Wang, Mark W Turrentine
BACKGROUND: Global myocardial ischemia-reperfusion (I/R) occurs during cardiac operations. This I/R injury leads to increased production of tumor necrosis factor α (TNF) instantly and upregulated expression of stromal cell-derived factor 1 α (SDF-1). On the basis of the published data from our laboratory and other groups, locally produced TNF contributes to cardiac dysfunction mainly via binding to its receptor (tumor necrosis factor receptor 1 [TNFR1]), whereas ischemia-induced myocardial SDF-1 mediates cardioprotection...
January 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27939488/first-and-second-trimester-immune-biomarkers-in-preeclamptic-and-normotensive-women
#19
Brandie D Taylor, Roberta B Ness, Mark A Klebanoff, Roger Zoh, Debra Bass, David M Hougaard, Kristin Skogstrand, Catherine L Haggerty
INTRODUCTION: Circulating immune markers may be associated with preeclampsia but further investigations in early pregnancy and among preeclampsia subtypes are warranted. We examined immune markers in 208 preeclamptic women and 411 normotensive controls. METHODS: Our study was nested within the Collaborative Perinatal Project. A total of 242 women had first trimester serum samples and 392 had second trimester serum samples. Preeclampsia was defined as hypertension >20weeks of gestation with proteinuria or pulmonary edema, oliguria, or convulsions...
October 2016: Pregnancy Hypertension
https://www.readbyqxmd.com/read/27898403/role-of-osteoprotegerin-opg-in-bone-marrow-adipogenesis
#20
Lili Zhang, Mengmeng Liu, Xiaokang Zhou, Yi Liu, Bo Jing, Xiaogang Wang, Qi Zhang, Yao Sun
BACKGROUND/AIMS: Bone marrow adipogenesis is one of the major characteristics of aged bone. Bone marrow mesenchymal stem cells (BMMSCs) prefer to differentiate into adipocytes instead of osteoblasts in the bone marrow cavity in aged hosts. The mechanism of formation and function of adipocytes in aged bone marrow needs further investigation. Osteoprotegerin (OPG) is a member of the tumor necrosis factor receptor (TNFR) super family, and it can inhibit the activities of osteoclasts. We found that adipocyte numbers increased in the bone marrow of Opg knockout mice...
2016: Cellular Physiology and Biochemistry
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