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https://www.readbyqxmd.com/read/28724884/effects-of-zinc-finger-protein-a20-on-lipopolysaccharide-lps-induced-pulmonary-inflammation-anti-inflammatory-mediators-in-an-acute-lung-injury-acute-respiratory-distress-syndrome-rat-model
#1
Ding-Qian Wu, Hong-Bo Wu, Mao Zhang, Jian-An Wang
BACKGROUND The aim of this study was to investigate the effects of zinc finger protein A20 on lipopolysaccharide (LPS)-induced pulmonary inflammation/anti-inflammatory mediators in an acute lung injury/acute respiratory distress syndrome (ALI/ARDS) rat model. MATERIAL AND METHODS Forty-eight ALI/ARDS rats were selected and assigned into normal saline (NS) (injected with NS), LPS (injected with LPS), LPS-C1 (injected with pEGFP-C1, NS and LPS), and A20 groups (injected with pEGFP-C1-A20, NS, and LPS). The wet/dry (W/D) ratio of rat lung tissues and total protein concentration and the number of neutrophils in bronchoalveolar lavage fluid (BALF) were detected...
July 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28706012/local-delivery-of-oncovex-mgm-csf-generates-systemic-anti-tumor-immune-responses-enhanced-by-cytotoxic-t-lymphocyte-associated-protein-blockade
#2
Achim K Moesta, Keegan Cooke, Julia Piasecki, Petia Mitchell, James B Rottman, Karen Fitzgerald, Jinghui Zhan, Becky Yang, Tiep Le, Brian Belmontes, Oluwatayo F Ikotun, Kim Merriam, Charles Glaus, Kenneth Ganley, David H Cordover, Andrea M Boden, Rafael Ponce, Courtney Beers, Pedro J Beltran
Talimogene laherparepvec, a new oncolytic immunotherapy, has been recently approved for the treatment of melanoma. Using a murine version of the virus we characterized local and systemic anti-tumor immune responses driving efficacy in murine syngeneic models.<br /><br />Experimental Design: The activity of talimogene laherparepvec was characterized against melanoma cell lines using an in vitro viability assay. Efficacy of OncoVEX(mGM-CSF) (talimogene laherparepvec with the mouse granulocyte-macrophage colony-stimulating factor transgene) alone or in combination with checkpoint blockade was characterized in A20 and CT-26 contralateral murine tumor models...
July 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28698199/mir-125b-increases-nasopharyngeal-carcinoma-radioresistance-by-targetinga20-nf-%C3%AE%C2%BAb-signaling-pathway
#3
Li-Na Li, Ta Xiao, Hong-Mei Yi, Zhen Zheng, Jia-Quan Qu, Wei Huang, Xu Ye, Hong Yi, Shan-Shan Lu, Xin-Hui Li, Zhi-Qiang Xiao
Radioresistance poses a major challenge in nasopharyngeal carcinoma (NPC) treatment, but little is known about how miRNA regulates this phenomenon. In this study, we investigated the function and mechanism of miR-125b in NPC radioresistance, one of upregulated miRNAs in the radioresistant NPC cells identified by our previous microarray analysis. We observed that miR-125b was frequently upregulated in the radioresistant NPCs, and its increment was significantly correlated with NPC radioresistance, and was an independent predictor for poor patient survival...
July 11, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28683286/microglial-inflammatory-signaling-orchestrates-the-hypothalamic-immune-response-to-dietary-excess-and-mediates-obesity-susceptibility
#4
Martin Valdearcos, John D Douglass, Megan M Robblee, Mauricio D Dorfman, Daniel R Stifler, Mariko L Bennett, Irene Gerritse, Rachael Fasnacht, Ben A Barres, Joshua P Thaler, Suneil K Koliwad
Dietary excess triggers accumulation of pro-inflammatory microglia in the mediobasal hypothalamus (MBH), but the components of this microgliosis and its metabolic consequences remain uncertain. Here, we show that microglial inflammatory signaling determines the immunologic response of the MBH to dietary excess and regulates hypothalamic control of energy homeostasis in mice. Either pharmacologically depleting microglia or selectively restraining microglial NF-κB-dependent signaling sharply reduced microgliosis, an effect that includes prevention of MBH entry by bone-marrow-derived myeloid cells, and greatly limited diet-induced hyperphagia and weight gain...
July 5, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28673093/di-2-ethylhexyl-phthalate-suppresses-il-12p40-production-by-gm-csf-dependent-macrophages-via-the-ppar%C3%AE-tnfaip3-traf6-axis-after-lipopolysaccharide-stimulation
#5
R Yamaguchi, A Sakamoto, T Yamamoto, S Narahara, H Sugiuchi, A Hisada, T Katoh, Y Yamaguchi
Activation of peroxisome proliferator-activated receptor α (PPARα) by di-(2-ethylhexyl) phthalate (DEHP) has an anti-inflammatory effect. This study investigated the potential combined influence of PPARα, tumor necrosis factor α-induced protein 3 (TNFAIP3/A20), and tumor necrosis factor receptor-associated factor 6 (TRAF6) on interleukin (IL)-12p40 production by macrophages exposed to DEHP and stimulated with lipopolysaccharide (LPS). LPS upregulated IL-12p40 expression by granulocyte-macrophage colony-stimulating factor-dependent macrophages (on day 9 of culture), whereas adding DEHP to cultures significantly attenuated the response of IL-12p40 to LPS stimulation...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28659945/expression-of-the-aeluropus-littoralis-alsap-gene-enhances-rice-yield-under-field-drought-at-the-reproductive-stage
#6
Thaura Ghneim-Herrera, Michael G Selvaraj, Donaldo Meynard, Denis Fabre, Alexandra Peña, Walid Ben Romdhane, Rania Ben Saad, Satoshi Ogawa, Maria C Rebolledo, Manabu Ishitani, Joe Tohme, Abdullah Al-Doss, Emmanuel Guiderdoni, Afif Hassairi
We evaluated the yields of Oryza sativa L. 'Nipponbare' rice lines expressing a gene encoding an A20/AN1 domain stress-associated protein, AlSAP, from the halophyte grass Aeluropus littoralis under the control of different promoters. Three independent field trials were conducted, with drought imposed at the reproductive stage. In all trials, the two transgenic lines, RN5 and RN6, consistently out-performed non-transgenic (NT) and wild-type (WT) controls, providing 50-90% increases in grain yield (GY). Enhancement of tillering and panicle fertility contributed to this improved GY under drought...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28658319/hypomorphic-a20-expression-confers-susceptibility-to-psoriasis
#7
Anri Aki, Miyuki Nagasaki, Barbara Ann Malynn, Averil Ma, Takashi Kagari
Psoriasis is a common inflammatory skin disease that affects approximately 1% of the population worldwide. Tumor necrosis factor-alpha-induced protein 3 (TNFAIP3) gene polymorphisms have been strongly associated with psoriasis susceptibility. In this study, we investigate how TNFAIP3, also known as A20, may regulate psoriasis susceptibility. We found that haplo-insufficient A20+/- mice develop severe toll-like receptor (TLR)-induced skin inflammation compared to wild type mice owing to amplified production of interleukin (IL)-17 and IL-23...
2017: PloS One
https://www.readbyqxmd.com/read/28640248/voluntary-distance-running-prevents-tnf-mediated-liver-injury-in-mice-through-alterations-of-the-intrahepatic-immune-milieu
#8
Yvonne Huber, Nadine Gehrke, Jana Biedenbach, Susanne Helmig, Perikles Simon, Beate K Straub, Ina Bergheim, Tobias Huber, Detlef Schuppan, Peter R Galle, Marcus A Wörns, Marcus Schuchmann, Jörn M Schattenberg
Physical activity confers a broad spectrum of health benefits. Beyond the obvious role in metabolically driven diseases, the role of physical activity in acute liver injury is poorly explored. To study the role of physical activity in acute liver injury, a novel model of voluntary distance running in mice was developed and mice were subjected to acute liver injury induced by N-galactosamine (GalN) and lipopolysaccharide (LPS). Analyses included histological stains, immunoblotting, qRT-PCR and FACS analysis...
June 22, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28639322/tnf-%C3%AE-induced-nod2-and-rip2-contribute-to-the-up-regulation-of-cytokines-induced-by-mdp-in-monocytic-thp-1-cells
#9
Xiaobin Chen, Zhilin Xiao, Xiumei Xie, Xueting Liu, Manli Jiang, Chuang Yuan, Li Yang, Jinyue Hu
Nucleotide-binding oligomerization domain containing 2 (NOD2)-induced signal transduction and cytokine production is regulated by a number of factors. However, the feedback effect of the pro-inflammatory TNF-α on NOD2-induced inflammation is not fully understood. In this study, we found unexpectedly that TNF-α up-regulated NOD2 ligand MDP-induced production of the CXC chemokines, including CXCL1, 2 and 8, and the pro-inflammatory cytokines, including IL-1β, IL-6 and TNF-α, in a dose-dependent manner at both mRNA and protein levels in monocytic THP-1 cells...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28629782/tnf-phase-iii-signalling-in-tolerant-cells-is-tightly-controlled-by-a20-and-cyld
#10
Rolf Bikker, Martin Christmann, Katharina Preuß, Bastian Welz, Judith Friesenhagen, Oliver Dittrich-Breiholz, René Huber, Korbinian Brand
Following the acute phase of an inflammatory reaction, a strictly controlled resolution of inflammation is necessary. A dysregulation of this process leads to hyperinflammation, chronic inflammatory disease, or immune paralysis. Different mechanisms participate in the coordinated termination of the inflammatory process, e.g. the expression of antiinflammatory molecules and different forms of tolerance. To better understand the processes which mediate resolution of TNF-dependent inflammation and induce tolerance, it is necessary to characterize the signal transduction quality during TNF long-term (pre)incubation...
June 16, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28615527/a20-functions-as-mediator-in-tnf%C3%AE-induced-injury-of-human-umbilical-vein-endothelial-cells-through-tak1-dependent-mapk-enos-pathway
#11
Lei Li, Bingqing Huang, Shiyang Song, Hareshwaree Sohun, Zhiheng Rao, Luyuan Tao, Qike Jin, Jingjing Zeng, Rongzhou Wu, Kangting Ji, Jiafeng Lin, Lianpin Wu, Maoping Chu
A20, a negative regulator of nuclear factor κB signaling, has been shown to attenuate atherosclerotic events. Transforming growth factor beta-activated kinase 1 (TAK1) plays a critical role in TNFα-induced atherosclerosis via endothelial nitric oxide (NO) synthase (eNOS) uncoupling and NO reduction. In the study, we investigated the hypothesis that A20 protected endothelial cell injury induced by TNFα through modulating eNOS activity and TAK1 signalling. Human umbilical vein endothelial cells (HUVECs) were stimulated by TNFα...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28582318/recent-advances-in-childhood-vasculitis
#12
Seza Ozen, Nazire Pinar Acar-Ozen
PURPOSE OF REVIEW: The review aims to summarize the recent findings in vasculitis that may have an impact in our understanding or management of these diseases. RECENT FINDINGS: We are learning more about monogenic diseases that closely mimic the pediatric vasculitides. Deficiency of adenosine deaminase 2 can present with a polyarteritis nodosa (PAN)-like picture and should be included in the differential of all pediatric cases of PAN with a family history or in cases with early stroke, or in cases resistant to conventional therapy...
June 2, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28578473/geoepidemiology-and-immunologic-features-of-autoinflammatory-diseases-a-comprehensive-review
#13
REVIEW
Yvan Jamilloux, Alexandre Belot, Flora Magnotti, Sarah Benezech, Mathieu Gerfaud-Valentin, Emilie Bourdonnay, Thierry Walzer, Pascal Sève, Thomas Henry
The knowledge on systemic autoinflammatory disorders (SAID) is expanding rapidly and new signalling pathways are being decrypted. The concept of autoinflammation has been proposed since 1999, to define a group of diseases with abnormal innate immunity activation. Since then, more than 30 monogenic SAID have been described. In this review, we first describe inflammasomopathies and SAID related to the interleukin-1 pathway. Recent insights into the pathogenesis of familial Mediterranean fever and the function of Pyrin are detailed...
June 3, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28574833/new-interleukin-15-superagonist-il-15sa-significantly-enhances-graft-versus-tumor-activity
#14
Cavan P Bailey, Tulin Budak-Alpdogan, Christopher T Sauter, Michelle M Panis, Cihangir Buyukgoz, Emily K Jeng, Hing C Wong, Neal Flomenberg, Onder Alpdogan
Interleukin-15 (IL-15) is a potent cytokine that increases CD8+ T and NK cell numbers and function in experimental models. However, obstacles remain in using IL-15 therapeutically, specifically its low potency and short in vivo half-life. To help overcome this, a new IL-15 superagonist complex comprised of an IL-15N72D mutation and IL-15RαSu/Fc fusion (IL-15SA, also known as ALT-803) was developed. IL-15SA exhibits a significantly longer serum half-life and increased in vivo activity against various tumors...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28574503/pathogen-induced-ubiquitin-editing-enzyme-a20-bifunctionally-shuts-off-nf-%C3%AE%C2%BAb-and-caspase-8-dependent-apoptotic-cell-death
#15
Michelle C C Lim, Gunter Maubach, Olga Sokolova, Michael H Feige, Rolf Diezko, Jörn Buchbinder, Steffen Backert, Dirk Schlüter, Inna N Lavrik, Michael Naumann
The human pathogen Helicobacter pylori infects more than half of the world's population and is a paradigm for persistent yet asymptomatic infection but increases the risk for chronic gastritis and gastric adenocarcinoma. For successful colonization, H. pylori needs to subvert the host cell death response, which serves to confine pathogen infection by killing infected cells and preventing malignant transformation. Infection of gastric epithelial cells by H. pylori provokes direct and fast activation of the proinflammatory and survival factor NF-κB, which regulates target genes, such as CXCL8, BIRC3 and TNFAIP3...
June 2, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28569771/mir-125b-regulates-proliferation-and-apoptosis-of-nasopharyngeal-carcinoma-by-targeting-a20-nf-%C3%AE%C2%BAb-signaling-pathway
#16
Zhen Zheng, Jia-Quan Qu, Hong-Mei Yi, Xu Ye, Wei Huang, Ta Xiao, Jiao-Yang Li, Yuan-Yuan Wang, Juan Feng, Jin-Feng Zhu, Shan-Shan Lu, Hong Yi, Zhi-Qiang Xiao
MiR-125b is aberrantly expressed and has a role in the various types of tumors. However, the role and mechanism of miR-125b in nasopharyngeal carcinoma (NPC) are unclear. In this study, we investigated the role and mechanism of miR-125b in NPC. We observed that miR-125b was significantly upregulated in the NPC tissues relative to normal nasopharyngeal mucosa (NNM), and its increment was correlated with poor patient survival, and was an independent predictor for reduced patient survival; miR-125b promoted NPC cell proliferation and inhibited NPC cell apoptosis; in a mouse model, administration of miR-125b antagomir significantly reduced the growth of NPC xenograft tumors...
June 1, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28562353/il-17rc-is-critically-required-to-maintain-baseline-a20-production-to-repress-jnk-isoform-dependent-tumor-specific-proliferation
#17
Chi Yan, Yang Lei, Tong-Jun Lin, David W Hoskin, Averil Ma, Jun Wang
The IL-17/IL-17R axis has controversial roles in cancer, which may be explained by tumor-specific results. Here, we describe a novel molecular mechanism underlying IL-17RC-controlled tumor-specific proliferation. Triggered by IL-17RC knockdown (KD), B16 melanoma and 4T1 carcinoma cells inversely altered homeostatic tumor proliferation and tumor growth in vitro and in vivo. In contrast to the existing dogma that IL-17RC-dependent signaling activates the JNK pathway, IL-17RC KD in both tumor cell lines caused aberrant expression and activation of different JNK isoforms along with markedly diminished levels of the ubiquitin-editing enzyme A20...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537929/orphan-nuclear-receptor-nur77-inhibits-poly-i-c-triggered-acute-liver-inflammation-by-inducing-the-ubiquitin-editing-enzyme-a20
#18
Xiu-Ming Li, Tian-Yu Yang, Xiao-Shun He, Jing-Ru Wang, Wen-Juan Gan, Shen Zhang, Jian-Ming Li, Hua Wu
Inflammation is a key contributor to various types of acute and chronic liver disease. We recently reported that lack of Nur77, an orphan nuclear receptor, contributes to the pathogenesis of inflammatory diseases including inflammatory bowel disease and sepsis. However, whether Nur77 plays a critical role in liver inflammation remains to be fully understood. Employing in vivo acute liver inflammation model in wild-type (Nur77+/+) and Nur77-/- mice, we here found that Nur77 deficiency dramatically increased the production of pro-inflammatory cytokines and accelerated liver injury induced by Poly (I:C)/D-GalN in Nur77-/- mice...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28521395/marsdenia-tenacissima-extract-suppresses-tumor-growth-and-angiogenesis-in-a20-mouse-lymphoma
#19
Xingbin Dai, Yanhua Ji, Pengjun Jiang, Xuemei Sun
Marsdenia tenacissima (MT), a traditional Chinese medicine, has been utilized in the treatment of a variety of malignant conditions for decades, but the underlying mechanism remains unclear. Angiogenesis, new blood vessel formation by nearby endothelial cells (ECs) from pre-existing vessels, plays a key role in cancer growth. In the present study, the effects of MT extract (MTE) on EC proliferation and apoptosis in vitro, and on A20 mouse lymphoma growth and angiogenesis in vivo were investigated. MTE exhibited an anti-proliferative effect on the ECs, with a half maximal inhibitory concentration of 11...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28511786/corrigendum-to-the-neuroprotective-compound-p7c3-a20-promotes-neurogenesis-and-improves-cognitive-function-after-stroke-exp-neurol-290-2017-63-73
#20
Zachary B Loris, Andrew A Pieper, W Dalton Dietrich
No abstract text is available yet for this article.
May 13, 2017: Experimental Neurology
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