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Interleukin-1

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https://www.readbyqxmd.com/read/28813640/innate-immune-signaling-in-the-ventral-tegmental-area-contributes-to-drug-primed-reinstatement-of-cocaine-seeking
#1
Kyle T Brown, Sophia C Levis, Casey E O'Neill, Alexis L Northcutt, Timothy J Fabisiak, Linda R Watkins, Ryan K Bachtell
Cocaine addiction is a chronic relapsing disorder characterized by persistent perturbations to an organism's homeostatic processes that result in maladaptive drug seeking. Although considerable attention has been directed at the consequences of neuronal changes following chronic cocaine taking, few studies have examined the role of microglia, the brain's resident immune cells, following chronic cocaine administration. Toll-Like Receptor 4 (TLR4) is a molecular pattern receptor that recognizes pathogens, danger signals, and xenobiotics and induces proinflammatory signaling in the central nervous system...
August 13, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28811383/interleukin-36-cytokines-may-overcome-microbial-immune-evasion-strategies-that-inhibit-interleukin-1-family-signaling
#2
REVIEW
Liselotte E Jensen
Pathogens deploy immune evasion strategies to successfully establish infections within their hosts. Naturally, the host responds by acquiring mechanisms to counter these strategies. There is increasing evidence that the three interleukin-36 (IL-36) cytokines, IL-36α, IL-36β and IL-36γ, play important roles in host immunity. With a focus on the skin as a target for microbial and viral invasion, the current knowledge of IL-36 functions is reviewed. Furthermore, the hypothesis that the IL-36s have evolved to counteract virulence factors is presented using viruses as an example...
August 15, 2017: Science Signaling
https://www.readbyqxmd.com/read/28811005/regulatory-effects-of-mir-146a-b-on-the-function-of-endothelial-progenitor-cells-in-acute-ischemic-stroke-in-mice
#3
Zeng-Feng Su, Zhong-Wu Sun, Ying Zhang, Shu Wang, Qi-Gui Yu, Ze-Bing Wu
The study aims to explore how microRNA-146a/b (miR-146a/b) regulates the function of endothelial progenitor cells (EPCs) in acute ischemic stroke in mice. Eighty male SPF C57BL/6J mice were evenly divided into the model-6 h, model-12 h, model-24 h (mice suffered from middle cerebral artery occlusion [MCAO] for 6 h, 12 h and model-24 h) and normal groups. EPCs were transfected and assigned into the control, MCAO, MCAO-miR-146a, MCAO-miR-146b and MCAO-miR-146a/b groups. The qRT-PCR was used to detect miR-146a/b expression in EPCs...
August 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28808377/anti-inflammatory-potential-of-petiveria-alliacea-on-activated-raw264-7-murine-macrophages
#4
Rosa Martha Perez Gutierrez, Carlos Hoyo-Vadillo
BACKGROUND: Defense and protection to multiple harmful stimuli are the inflammation, when is self-amplified and uncontrolled is the basis of the pathogenesis of a wide variety of inflammatory illness. The aim of this study was to evaluate if Petiveria alliacea could attenuate inflammation in a murine model of RAW264 macrophages the involved model and its involved mechanism. MATERIALS AND METHODS: The ethanol extract from P. alliacea was precipitated with water and supernatant was used for this study (PW)...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28807664/social-interaction-modulates-the-neuroinflammatory-response-to-global-cerebral-ischemia-in-male-mice
#5
Monica M Gaudier-Diaz, Ning Zhang, Adam H Haines, Surbhi, Min Zhou, A Courtney DeVries
Social isolation is a risk factor for cardiovascular and cerebrovascular diseases, although the underlying mechanisms remain underspecified. Considering the potential of microglia to become sensitized by stressors and their role in neuroinflammation, we hypothesized that social isolation primes microglia, resulting in an exaggerated neuroimmune response to experimental cerebral ischemia. First, major histocompatibility complex II (MHC II) gene expression, an indicator of microglial priming, was compared between mice that were socially isolated or pair-housed...
August 11, 2017: Brain Research
https://www.readbyqxmd.com/read/28807207/effect-of-bevacizumab-on-acetic-acid-induced-ulcerative-colitis-in-rats
#6
Zeki Ozsoy, Seyma Ozsoy, Fikret Gevrek, Emre Demir, Ismail Benli, Emin Daldal, Erdinc Yenidogan
BACKGROUND: The aim of this study was to examine the effect of intraperitoneally administered bevacizumab on colitis induced by acetic acid. METHODS: An experimental model of acetic acid-induced colitis was introduced in rats. After the induction of colitis, bevacizumab was administered intraperitoneally at two different daily doses of low (2.5 mg/kg) or high (5 mg/kg) concentration. Control groups were included for colitis and bevacizumab. After 7 d, the rats were sacrificed, and colonic tissues were harvested for macroscopic and microscopic examination of colonic damage...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28807034/exosomes-from-embryonic-mesenchymal-stem-cells-alleviate-osteoarthritis-through-balancing-synthesis-and-degradation-of-cartilage-extracellular-matrix
#7
Yafei Wang, Dongsheng Yu, Zhiming Liu, Fang Zhou, Jun Dai, Bingbing Wu, Jing Zhou, Boon Chin Heng, Xiao Hui Zou, Hongwei Ouyang, Hua Liu
BACKGROUND: Mesenchymal stem cell therapy for osteoarthritis (OA) has been widely investigated, but the mechanisms are still unclear. Exosomes that serve as carriers of genetic information have been implicated in many diseases and are known to participate in many physiological processes. Here, we investigate the therapeutic potential of exosomes from human embryonic stem cell-induced mesenchymal stem cells (ESC-MSCs) in alleviating osteoarthritis (OA). METHODS: Exosomes were harvested from conditioned culture media of ESC-MSCs by a sequential centrifugation process...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28804223/the-effect-of-transcutaneous-electrical-acupoint-stimulation-on-inflammatory-response-in-patients-undergoing-limb-ischemia-reperfusion
#8
Yunchang Mo, Sijia Chen, Lili Yang, Ledan Huang, Dan Jin, Zhi Yu, Leilei Wang, Liangrong Wang, Shan Luo, Junlu Wang
Reperfusion after tourniquet use can induce inflammation and cause remote organ injury. We evaluated the therapeutic effect of transcutaneous electrical acupoint stimulation (TEAS) on inflammatory mediators and lung function in patients receiving lower limb tourniquets. Forty patients undergoing unilateral lower extremity surgery with tourniquet were randomly assigned to two groups: the TEAS group and ischemia-reperfusion (I/R) group. The C-C motif chemokine ligand 2 (CCL2), C-X-C motif chemokine ligand 8 (CXCL8), interleukin-1 (IL-1), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor-α (TNF-α), and arterial blood gas analysis were measured preoperatively and 6 h after tourniquet removal...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28803430/effects-of-stimulated-aggrecanolysis-on-nanoscale-morphological-and-mechanical-properties-of-wild-type-and-aggrecanase-resistant-mutant-mice-cartilages
#9
Md Hemayet Uddin, Huabin Wang, Fraser M Rogerson, Peter Vee-Sin Lee, Xuehua Zhang
A key event in arthritis pathogenesis is the degradation of aggrecan, the major component in articular cartilage. In this work, we investigate the effects of stimulated aggrecanolysis on the morphological and nanomechanical properties of cartilage harvested from wild-type mice and aggrecanase-resistant mutant mice named "Jaffa". The cartilages were native or were subjected to stimulated aggrecanolysis by interleukin-1[Formula: see text] (IL-1[Formula: see text]) treatment. The nanoscale morphological and mechanical properties of the sectioned cartilages were measured by using a sharp probe by atomic force microscopy (AFM)...
August 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/28801798/downregulation-of-paralemmin-3-ameliorates-lipopolysaccharide-induced-acute-lung-injury-in-rats-by-regulating-inflammatory-response-and-inhibiting-formation-of-tlr4-myd88-and-tlr4-trif-complexes
#10
Xuxin Chen, Lu Tang, Jian Feng, Yi Wang, Zhihai Han, Jiguang Meng
Previous studies have demonstrated paralemmin-3 (PALM3) participates in Toll-like receptor (TLR) signaling. This study investigated the effect of PALM3 knockdown on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its underlying mechanisms. We constructed a recombinant adenoviral vector containing short hairpin RNA for PALM3 to knockdown PALM3 expression. A transgene-free adenoviral vector was used as a negative control. The ALI rat model was established by LPS peritoneal injection at 48-h post-transfection...
August 12, 2017: Inflammation
https://www.readbyqxmd.com/read/28800626/targeting-lysyl-oxidase-reduces-peritoneal-fibrosis
#11
Christopher R Harlow, Xuan Wu, Marielle van Deemter, Fiona Gardiner, Craig Poland, Rebecca Green, Sana Sarvi, Pamela Brown, Karl E Kadler, Yinhui Lu, J Ian Mason, Hilary O D Critchley, Stephen G Hillier
BACKGROUND: Abdominal surgery and disease cause persistent abdominal adhesions, pelvic pain, infertility and occasionally, bowel obstruction. Current treatments are ineffective and the aetiology is unclear, although excessive collagen deposition is a consistent feature. Lysyl oxidase (Lox) is a key enzyme required for crosslinking and deposition of insoluble collagen, so we investigated whether targeting Lox might be an approach to reduce abdominal adhesions. METHODS: Female C57Bl/6 mice were treated intraperitoneally with multiwalled carbon nanotubes (NT) to induce fibrosis, together with chemical (ß-aminoproprionitrile-BAPN) or miRNA Lox inhibitors, progesterone or dexamethasone...
2017: PloS One
https://www.readbyqxmd.com/read/28798075/cytokines-of-the-il-1-family-recognized-targets-in-chronic-inflammation-underrated-in-organ-transplantations
#12
REVIEW
Ilja Striz
Interleukin 1 (IL-1) family is a group of cytokines with multiple local and systemic effects, which regulates both innate and adaptive immune responses. Generally, most IL-1 family cytokines express prevailing pro-inflammatory activities (IL-1α, IL-1β, IL-18, IL-33, IL-36 α, β, γ), whereas others are anti-inflammatory (IL-1Ra (IL-1 receptor antagonist), IL-36Ra, IL-38, IL-37). In addition to their immunomodulatory roles, some of them are also involved in the physiological modulation of homeostatic processes and directly affect mRNA transcription...
September 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28797869/association-of-inflammatory-cytokines-with-the-symptom-cluster-of-pain-fatigue-depression-and-sleep-disturbance-in-chinese-patients-with-cancer
#13
Yan-Bo Ji, Chun-Lu Bo, Xiu-Juan Xue, En-Ming Weng, Guang-Chao Gao, Bei-Bei Dai, Kai-Wen Ding, Cui-Ping Xu
CONTEXT: Pain, fatigue, depression, and sleep disturbance are common in patients with cancer and usually co-occur as a symptom cluster. However, the mechanism underlying this symptom cluster is unclear. OBJECTIVES: This study aimed to identify subgroups of cluster symptoms, compare demographic and clinical characteristics between subgroups, and examine the associations between inflammatory cytokines and cluster symptoms. METHODS: Participants were 170 Chinese inpatients with cancer from two tertiary hospitals...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797847/cytokine-gene-polymorphisms-associated-with-symptom-clusters-in-oncology-patients-undergoing-radiation-therapy
#14
Christine Miaskowski, Yvette P Conley, Judy Mastick, Steven M Paul, Bruce A Cooper, Jon D Levine, Mitchell Knisely, Kord M Kober
CONTEXT: Most of the reviews on the biological basis for symptom clusters suggest that inflammatory processes are involved in the development and maintenance of the symptom clusters. However, no studies have evaluated for associations between genetic polymorphisms and common symptom clusters (e.g., mood disturbance, sickness behavior). OBJECTIVES: Examine the associations between cytokine gene polymorphisms and the severity of three distinct symptom clusters (i...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797292/the-ethanol-extract-of-aquilariae-lignum-ameliorates-hippocampal-oxidative-stress-in-a-repeated-restraint-stress-mouse-model
#15
Hyun-Yong Lee, Jin-Seok Lee, Hyeong-Geug Kim, Won-Yong Kim, Seung-Bae Lee, Yung-Hyun Choi, Chang-Gue Son
BACKGROUND: Chronic stress contributes to the development of brain disorders, such as neurodegenerative and psychiatric diseases. Oxidative damage is well known as a causative factor for pathogenic process in brain tissues. The aim of this study is to evaluate the neuroprotective effect of a 30% ethanol extract of Aquilariae Lignum (ALE) in repeated stress-induced hippocampal oxidative injury. METHODS: Fifty BALB/c male mice (12 weeks old) were randomly divided into five groups (n = 10)...
August 10, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28796993/oral-administration-of-cardioaid-and-lunasin-alleviates-liver-damage-in-a-high-fat-diet-nonalcoholic-steatohepatitis-model
#16
Ariel Drori, Dvorah Rotnemer-Golinkin, Lidya Zolotarov, Yaron Ilan
BACKGROUND: Several of the drugs in development for treatment of nonalcoholic steatohepatitis (NASH) target liver fibrosis or have side effects that prohibit their long-term use in patients with mild to moderate disease. Lunasin is a soy-derived peptide with anti-inflammatory properties. ADM's CardioAid™ is a plant sterol extract that exerts cholesterol- and triacylglycerol-lowering effects. AIM: To determine the immunomodulatory effects of CardioAid and lunasin in a high-fat diet (HFD) animal model of NASH...
August 11, 2017: Digestion
https://www.readbyqxmd.com/read/28796783/myd88-contribution-to-ocular-surface-homeostasis
#17
Rose Y Reins, Justin Courson, Carolina Lema, Rachel L Redfern
The cornea must maintain homeostasis, enabling rapid response to injury and microbial insult, to protect the eye from insult and infection. Toll-like receptors (TLRs) are critical to this innate immune response through the recognition and response to pathogens. Myeloid differentiation primary response (MyD88) is a key signaling molecule necessary for Toll-like receptor (TLR) and interleukin-1 receptor (IL-1R)-mediated immune defense and has been shown to be necessary for corneal defense during infection. Here, we examined the intrinsic role of TLR signaling in ocular surface tissues by determining baseline levels of inflammatory mediators, the response to mechanical stimuli, and corneal infection in MyD88-deficient mice (MyD88-/-)...
2017: PloS One
https://www.readbyqxmd.com/read/28794034/an-epstein-barr-virus-microrna-blocks-il-1-signaling-by-targeting-the-interleukin-1-receptor-1
#18
Camille M Skinner, Nikita S Ivanov, Sarah A Barr, Yan Chen, Rebecca L Skalsky
Epstein-Barr virus (EBV) encodes >44 viral microRNAs (miRNAs) that are differentially expressed throughout infection, can be detected in EBV-positive tumors, and manipulate several biological processes including cell proliferation, apoptosis, and immune responses. Here, we show that EBV BHRF1-2 miRNAs block NF-kB activation following treatment with pro-inflammatory cytokines, specifically interleukin-1 beta. Analysis of EBV PAR-CLIP miRNA targetome datasets combined with pathway analysis revealed multiple BHRF1-2 miRNA targets involved in interleukin signaling pathways...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28793896/a-randomised-placebo-controlled-trial-of-anti-interleukin-1-receptor-1-monoclonal-antibody-medi8968-in-chronic-obstructive-pulmonary-disease
#19
Peter M A Calverley, Sanjay Sethi, Michelle Dawson, Christine K Ward, Donna K Finch, Mark Penney, Paul Newbold, René van der Merwe
BACKGROUND: Interleukin-1 receptor 1 (IL-1R1) inhibition is a potential strategy for treating patients with chronic obstructive pulmonary disease (COPD). MEDI8968, a fully human monoclonal antibody, binds selectively to IL-1R1, inhibiting activation by IL-1α and IL-1β. We studied the efficacy and safety/tolerability of MEDI8968 in adults with symptomatic, moderate-to-very severe COPD. METHODS: This was a phase II, randomised, double-blind, placebo-controlled, multicentre, parallel-group study...
August 9, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28791391/a20-protein-regulates-lipopolysaccharide-induced-acute-lung-injury-by-downregulation-of-nf-%C3%AE%C2%BAb-and-macrophage-polarization-in-rats
#20
Ying Wang, Zhenju Song, Jing Bi, Jie Liu, Lin Tong, Yuanlin Song, Chunxue Bai, Xiaodan Zhu
Modulation of inflammation is a crucial component of the development of acute lung injury. A20, a ubiquitin editing enzyme, may regulate cellular inflammatory reactions, particularly those involving the signaling pathway of nuclear factor NF-κB (NF‑κB). The present study investigated the mechanism by which A20 downregulated NF‑κB and further contributed to macrophage polarization from the M1 to M2 phenotypes in lipopolysaccharide (LPS)‑induced lung injury. Sprague‑Dawley rats injected with LPS were used in the present study...
August 7, 2017: Molecular Medicine Reports
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