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Interleukin receptor associated kinase m

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https://www.readbyqxmd.com/read/29345428/traf3-regulation-of-inhibitory-signaling-pathways-in-b-and-t-lymphocytes-by-kinase-and-phosphatase-localization
#1
REVIEW
Alicia M Wallis, Gail A Bishop
This brief review presents current understanding of how the signaling adapter protein TRAF3 can both induce and block inhibitory signaling pathways in B and T lymphocytes, via association with kinases and phosphatases, and subsequent regulation of their localization within the cell. In B lymphocytes, signaling through the interleukin 6 receptor (IL-6R) induces association of TRAF3 with IL-6R-associated JAK1, to which TRAF3 recruits the phosphatase PTPN22 (protein tyrosine phosphatase number 22) to dephosphorylate JAK1 and STAT3, inhibiting IL-6R signaling...
January 17, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29242937/paclitaxel-with-and-without-pazopanib-for-persistent-or-recurrent-ovarian-cancer-a-randomized-clinical-trial
#2
Debra L Richardson, Michael W Sill, Robert L Coleman, Anil K Sood, Michael L Pearl, Siobhan M Kehoe, Michael E Carney, Parviz Hanjani, Linda Van Le, Xun C Zhou, Angeles Alvarez Secord, Heidi J Gray, Lisa M Landrum, Heather A Lankes, Wei Hu, Carol Aghajanian
Importance: Ovarian cancer is the leading cause of gynecologic cancer deaths in the United States. Pazopanib is an oral, multitarget kinase inhibitor of vascular endothelial growth factor receptors 1, 2, and 3; platelet-derived growth factor receptors α and β; and proto-oncogene receptor tyrosine kinase (c-KIT). Objective: To estimate the progression-free survival (PFS) hazard ratio (HR) of weekly paclitaxel and pazopanib compared with weekly paclitaxel and placebo in women with recurrent ovarian cancer...
December 14, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29208712/crystal-structure-of-human-irak1
#3
Li Wang, Qi Qiao, Ryan Ferrao, Chen Shen, John M Hatcher, Sara J Buhrlage, Nathanael S Gray, Hao Wu
Interleukin 1 (IL-1) receptor-associated kinases (IRAKs) are serine/threonine kinases that play critical roles in initiating innate immune responses against foreign pathogens and other types of dangers through their role in Toll-like receptor (TLR) and interleukin 1 receptor (IL-1R) mediated signaling pathways. Upon ligand binding, TLRs and IL-1Rs recruit adaptor proteins, such as myeloid differentiation primary response gene 88 (MyD88), to the membrane, which in turn recruit IRAKs via the death domains in these proteins to form the Myddosome complex, leading to IRAK kinase activation...
December 5, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29208683/il-33-and-st2-mediate-fak-dependent-antitumor-immune-evasion-through-transcriptional-networks
#4
Bryan Serrels, Niamh McGivern, Marta Canel, Adam Byron, Sarah C Johnson, Henry J McSorley, Niall Quinn, David Taggart, Alex Von Kreigsheim, Stephen M Anderton, Alan Serrels, Margaret C Frame
Focal adhesion kinase (FAK) mediates tumor cell-intrinsic behaviors that promote tumor growth and metastasis. We previously showed that FAK also induces the expression of inflammatory genes that inhibit antitumor immunity in the microenvironment. We identified a crucial, previously unknown role for the dual-function cytokine interleukin-33 (IL-33) in FAK-dependent immune evasion. In murine squamous cell carcinoma (SCC) cells, specifically nuclear FAK enhanced the expression of the genes encoding IL-33, the chemokine CCL5, and the soluble, secreted form of the IL-33 receptor, called soluble ST2 (sST2)...
December 5, 2017: Science Signaling
https://www.readbyqxmd.com/read/29203859/interleukin-13-receptor-alpha-2-cooperates-with-egfrviii-signaling-to-promote-glioblastoma-multiforme
#5
Jennifer P Newman, Grace Y Wang, Kazuhiko Arima, Shou P Guan, Michael R Waters, Webster K Cavenee, Edward Pan, Edita Aliwarga, Siao T Chong, Catherine Y L Kok, Berwini B Endaya, Amyn A Habib, Tomohisa Horibe, Wai H Ng, Ivy A W Ho, Kam M Hui, Tomasz Kordula, Paula Y P Lam
The interleukin-13 receptor alpha2 (IL-13Rα2) is a cancer-associated receptor overexpressed in human glioblastoma multiforme (GBM). This receptor is undetectable in normal brain which makes it a highly suitable target for diagnostic and therapeutic purposes. However, the pathological role of this receptor in GBM remains to be established. Here we report that IL-13Rα2 alone induces invasiveness of human GBM cells without affecting their proliferation. In contrast, in the presence of the mutant EGFR (EGFRvIII), IL-13Rα2 promotes GBM cell proliferation in vitro and in vivo...
December 4, 2017: Nature Communications
https://www.readbyqxmd.com/read/29172502/discovery-and-optimisation-of-pyrrolopyrimidine-inhibitors-of-interleukin-1-receptor-associated-kinase-4-irak4-for-the-treatment-of-mutant-myd88l265p-diffuse-large-b-cell-lymphoma
#6
James S Scott, Sébastien L Degorce, Rana Anjum, Janet Culshaw, Robert M D Davies, Nichola L Davies, Keith S Dillman, James E Dowling, Lisa Drew, Andrew D Ferguson, Sam D Groombridge, Christopher T Halsall, Julian A Hudson, Scott Lamont, Nicola A Lindsay, Stacey K Marden, Michele F Mayo, J Elizabeth Pease, David R Perkins, Jennifer H Pink, Graeme R Robb, Alan Rosen, Minhui Shen, Claire McWhirter, Dedong Wu
Herein we report the optimization of a series of pyrrolopyrimidine inhibitors of interleukin-1 receptor associated kinase 4 (IRAK4) using X-ray crystal structures and structure based design to identify and optimize our scaffold. Compound 28 demonstrated a favorable physicochemical and kinase selectivity profile and was identified as a promising in vivo tool with which to explore the role of IRAK4 inhibition in the treatment of mutant MYD88L265P diffuse large B-cell lymphoma (DLBCL). Compound 28 was shown to be capable of demonstrating inhibition of NF-κB activation and growth of the ABC subtype of DLBCL cell lines in vitro at high concentrations but showed greater effects in combination with a BTK inhibitor at lower concentrations...
November 27, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29144391/antimicrobial-peptide-epinecidin-1-modulates-myd88-protein-levels-via-the-proteasome-degradation-pathway
#7
Bor-Chyuan Su, Jyh-Yih Chen
The cationic antimicrobial peptide epinecidin-1 was identified from Epinephelus coioides and possesses multiple biological functions, including antibacterial, antifungal, anti-tumor, and immunomodulatory effects. In addition, epinecidin-1 suppresses lipopolysaccharide (LPS)-induced inflammation by neutralizing LPS and ameliorating LPS/Toll-like receptor (TLR)-4 internalization. However, it is unclear whether the actions of epinecidin-1 depend on the regulation of TLR adaptor protein MyD88 or endogenous TLR signaling antagonists, which include A20, interleukin-1 receptor associated kinase (IRAK)-M, and suppressor of cytokine signaling (SOCS)-1...
November 16, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#8
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29059216/protective-effect-of-dexamethasone-on-5-fu-induced-oral-mucositis-in-hamsters
#9
Susana Barbosa Ribeiro, Aurigena Antunes de Araújo, Raimundo Fernandes de Araújo Júnior, Gerly Anne de Castro Brito, Renata Carvalho Leitão, Maisie Mitchele Barbosa, Vinicius Barreto Garcia, Aldo Cunha Medeiros, Caroline Addison Carvalho Xavier de Medeiros
Oral mucositis (OM) is an important side effect of cancer treatment, characterized by ulcerative lesions in the mucosa of patients undergoing radiotherapy or chemotherapy, which has marked effects on patient quality of life and cancer therapy continuity. Considering that few protocols have demonstrated efficacy in preventing this side effect, the aim of this study was to examine the effect of dexamethasone (DEX) on OM induced by 5-fluorouracil (5-FU) in hamsters by studying signaling pathways. OM was induced in hamsters by 5-FU followed by mechanical trauma (MT) on day 4...
2017: PloS One
https://www.readbyqxmd.com/read/29037857/exploring-the-role-of-il-32-in-human-immunodeficiency-virus-related-kaposi-sarcoma
#10
George Semango, Bas Heinhuis, Theo S Plantinga, Willeke A M Blokx, Gibson Kibiki, Tolbert Sonda, Daudi Mavura, Elisante John Masenga, Mramba Nyindo, Andre J A M van der Ven, Leo A B Joosten
The intracellular pro-inflammatory mediator interleukin (IL)-32 is associated with tumor progression; however, the mechanisms remain unknown. We studied the IL-32 mRNA expression as well as other pro-inflammatory cytokines and mediators including IL-1α, IL-1β, IL-6, IL-8, tumor necrosis factor (TNF)-α, the pro-angiogenic and anti-apoptotic enzyme COX-2, the IL-8 receptor CXCR1, and the intracellular kinase FAK-1. The interaction of IL-32 expression with expression of IL-6, TNFα, IL-8, and COX-2 was also investigated...
October 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29036979/-role-of-ash2-absent-small-or-homeotic-like-and-jumonji-domain-containing-protein-3-on-histone-methylation-of-interferon-gamma-gene-and-their-associations-with-vascular-damage-of-kawasaki-disease
#11
J H Mei, G Tang, Q Wang, P Q Wen, M G Xu, D Cui, D L Ma, C Liu, G B Wang
Objective: To investigate the impacts of ash2 (absent, small, or homeotic)-like (Ash2L) and Jumonji domain-containing protein 3 (Jmjd3) on histone methylation of interferon-gamma(IFN-γ) gene and association with vascular damage of Kawasaki disease (KD) in acute phase. Methods: This study was performed among 36 children with KD in acute phase (KD group) and 28 age-matched health children (control group), who were treated or underwent physical examination in our hospital between February 2015 and June 2016. Patients were further divided into KD groups with or without coronary artery lesions (KD-CAL(+) , 16 cases; KD-CAL(-), 20 cases)...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28986735/no2-inhalation-enhances-asthma-susceptibility-in-a-rat-model
#12
Ming Han, Xiaotong Ji, Guangke Li, Nan Sang
Nitrogen dioxide (NO2) is a major air pollutant. Epidemiologic studies have found that NO2 exposure is associated with an increased risk of asthma. Nevertheless, the potential molecular mechanisms remain unclear. In this study, we investigated the effect of NO2 inhalation on the occurrence of allergic airway inflammation and its underlying mechanisms. Firstly, male Wistar rats were exposed to 2 and 5 mg/m(3) NO2 (28 days, 5 h/day). The results showed that NO2 exposure could induce pulmonary inflammatory response, mucus formation, and Th1/Th2 imbalance in the lung of normal rats, resulting in allergic asthma-like features...
October 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28972154/neutrophil-microparticle-production-and-inflammasome-activation-by-hyperglycemia-due-to-cytoskeletal-instability
#13
Stephen R Thom, Veena M Bhopale, Kevin Yu, Weiliang Huang, Maureen A Kane, David J Margolis
Microparticles are lipid bilayer-enclosed vesicles produced by cells under oxidative stress. MP production is elevated in patients with diabetes, but the underlying cellular mechanisms are poorly understood. We hypothesized that raising glucose above the physiological level of 5.5 mm would stimulate leukocytes to produce MPs and activate the nucleotide-binding domain, leucine-rich repeat pyrin domain-containing 3 (NLRP3) inflammasome. We found that when incubated in buffer with up to 20 mm glucose, human and murine neutrophils, but not monocytes, generate progressively more MPs with high interleukin (IL)-1β content...
November 3, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28915215/mechanisms-involved-in-secondary-cardiac-dysfunction-in-animal-models-of-trauma-and-hemorrhagic-shock
#14
Nick M Wilson, Johanna Wall, Veena Naganathar, Karim Brohi, Henry D De'Ath
Clinical evidence reveals the existence of a trauma-induced secondary cardiac injury (TISCI) that is associated with poor patient outcomes. The mechanisms leading to TISCI in injured patients are uncertain. Conversely, animal models of trauma hemorrhage have repeatedly demonstrated significant cardiac dysfunction following injury, and highlighted mechanisms through which this might occur. The aim of this review was to provide an overview of the animal studies describing TISCI and its pathophysiology.Basic science models of trauma show evidence of innate immune system activation via Toll-like receptors, the exact protagonists of which remain unclear...
October 2017: Shock
https://www.readbyqxmd.com/read/28879441/egfr-and-kras-mutations-do-not-enrich-for-the-activation-of-il-6-jak1-or-phosphorylated-stat3-in-resected-lung-adenocarcinoma
#15
Timothy D Clay, Prudence A Russell, Hongdo Do, Vijaya Sundararajan, Matthew Conron, Gavin M Wright, Benjamin Solomon, Alexander Dobrovic, Sue-Anne McLachlan, Melissa M Moore
Resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) against EGFR mutant lung adenocarcinoma develops after a median of nine to thirteen months. Upregulation of the interleukin-6 (IL-6)/Janus kinase (JAK)/signal transducers and activators of transcription (STAT) pathway may be a potential source of resistance to EGFR TKIs. We undertook a detailed assessment of the IL-6/JAK1/phosphorylated STAT3 (pSTAT3) pathway in resected lung adenocarcinoma specimens, with special interest in whether the presence of an EGFR mutation enriched for pSTAT3 positivity...
September 6, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28878777/zika-virus-promotes-neuronal-cell-death-in-a-non-cell-autonomous-manner-by-triggering-the-release-of-neurotoxic-factors
#16
Isabella G Olmo, Toniana G Carvalho, Vivian V Costa, Juliana Alves-Silva, Carolina Z Ferrari, Tatiane C Izidoro-Toledo, Juliana F da Silva, Antonio L Teixeira, Danielle G Souza, Joao T Marques, Mauro M Teixeira, Luciene B Vieira, Fabiola M Ribeiro
Zika virus (ZIKV) has recently caused a worldwide outbreak of infections associated with severe neurological complications, including microcephaly in infants born from infected mothers. ZIKV exhibits high neurotropism and promotes neuroinflammation and neuronal cell death. We have recently demonstrated that N-methyl-d-aspartate receptor (NMDAR) blockade by memantine prevents ZIKV-induced neuronal cell death. Here, we show that ZIKV induces apoptosis in a non-cell autonomous manner, triggering cell death of uninfected neurons by releasing cytotoxic factors...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28858844/can-regular-moderate-exercise-lead-to-changes-in-mirna-146a-and-its-adapter-proteins-in-the-kidney-of-streptozotocin-induced-diabetic-male-rats
#17
H Oghbaei, N Ahmadi Asl, F Sheikhzadeh
OBJECTIVE: The aim of this study was to assess whether microRNA-146a and its adapter proteins TNF receptor associated factor6 (TRAF6) and interleukin-1 receptor-associated kinase-1 (IRAK1) may be changed in the kidney of streptozotocin-induced diabetic rats, following regular moderate exercise. METHODS: Forty adult male Wistar rats were allocated randomly into four groups (n=10), including sedentary control (SC), sedentary diabetic (SD), healthy sixty-day exercise (H60E), and diabetic sixty-day exercise (D60E) groups...
July 1, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28791020/p2x7-receptor-induces-tumor-necrosis-factor-%C3%AE-converting-enzyme-activation-and-release-to-boost-tnf-%C3%AE-production
#18
Maria Barberà-Cremades, Ana I Gómez, Alberto Baroja-Mazo, Laura Martínez-Alarcón, Carlos M Martínez, Carlos de Torre-Minguela, Pablo Pelegrín
Tumor necrosis factor (TNF)-α is a major pro-inflammatory cytokine produced in response to toll-like receptor stimulation. TNF-α release is controlled by the activity of TNF-α converting enzyme (TACE) that cut membrane-bound TNF-α to shed its ectodomain as a soluble cytokine. The purinergic receptor P2X ligand-gated ion channel 7 (P2X7) is activated in response to elevated concentrations of extracellular ATP and induces different pro-inflammatory pathways in macrophages to establish an inflammatory response...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28790974/selective-inhibition-of-janus-kinase-3-has-no-impact-on-infarct-size-or-neurobehavioral-outcomes-in-permanent-ischemic-stroke-in-mice
#19
Kelly M DeMars, Sean C Pacheco, Changjun Yang, David M Siwarski, Eduardo Candelario-Jalil
Janus kinase 3 (JAK3) is associated with the common gamma chain of several interleukin (IL) receptors essential to inflammatory signaling. To study the potential role of JAK3 in stroke-induced neuroinflammation, we subjected mice to permanent middle cerebral artery occlusion and investigated the effects of JAK3 inhibition with decernotinib (VX-509) on infarct size, behavior, and levels of several inflammatory mediators. Results from our double immunofluorescence staining showed JAK3 expression on neurons, endothelial cells, and microglia/macrophages in the ischemic mouse brain (n = 3)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28685413/telluric-acid-ameliorates-endotoxemic-kidney-injury-in-mice-involvement-of-tlr4-nrf2-and-pi3k-akt-signaling-pathways
#20
Ahmed F Mohamed, Marwa M Safar, Hala F Zaki, Helmy M Sayed
Being one of the most abundant trace elements in the human body, the therapeutic potential of tellurium-based compounds has been a target of interest. Recent reports denoted their redox-modulating and anti-inflammatory activities in experimental endotoxemia. However, their potential nephroprotective effect against endotoxemic kidney injury is yet to be elucidated. This study investigated the possible renoprotective effect of telluric acid (TEL) against lipopolysaccharide (LPS)-induced acute kidney injury (AKI) in mice, targeting toll-like receptor 4 (TLR4), phosphoinositide 3-kinase (PI3K)/Akt, and nuclear factor-erythroid 2-related factor-2 (Nrf2) pathways as possible mechanistic contributors to TEL's effect...
July 6, 2017: Inflammation
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