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Interleukin 1 receptor antagonist

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https://www.readbyqxmd.com/read/28651331/il-1%C3%AE-up-regulates-star-and-progesterone-production-through-the-erk1-2-and-p38-mediated-creb-signaling-pathways-in-human-granulosa-lutein-cells
#1
Xuan Dang, Qinling Zhu, Yaqiong He, Yuan Wang, Yao Lu, Xiaoxue Li, Jia Qi, Hasiximuke Wu, Yun Sun
The pro-inflammatory cytokine interleukin-1β (IL-1β) may be involved in several ovulation-associated events, such as proteases synthesis, prostaglandin production and steroidogenesis in granulosa cells. However, the exact effect of IL-1β on progesterone synthesis in granulosa cells and the underlying mechanism remain unclear. By using cultured granulosa-lutein cells collected from women undergoing in vitro fertilization or intracytoplasmic sperm injection, we found that IL-1β up-regulated steroidogenic acute regulatory protein (StAR) expression and progesterone synthesis in granulosa-lutein cells, which was comparable with luteinizing hormone (LH) effect and could be abolished by an IL-1 receptor antagonist...
June 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28650995/septins-restrict-inflammation-and-protect-zebrafish-larvae-from-shigella-infection
#2
Maria J Mazon-Moya, Alexandra R Willis, Vincenzo Torraca, Laurent Boucontet, Avinash R Shenoy, Emma Colucci-Guyon, Serge Mostowy
Shigella flexneri, a Gram-negative enteroinvasive pathogen, causes inflammatory destruction of the human colonic epithelium. Infection by S. flexneri has been well-studied in vitro and is a paradigm for bacterial interactions with the host immune system. Recent work has revealed that components of the cytoskeleton have important functions in innate immunity and inflammation control. Septins, highly conserved cytoskeletal proteins, have emerged as key players in innate immunity to bacterial infection, yet septin function in vivo is poorly understood...
June 26, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28648869/long-term-cytokine-and-growth-factor-release-from-equine-platelet-rich-fibrin-clots-obtained-with-two-different-centrifugation-protocols
#3
Román F Jiménez-Aristizabal, Catalina López, María E Álvarez, Carlos Giraldo, Marta Prades, Jorge U Carmona
OBJECTIVES: To compare the temporal release (over three weeks) of tumor necrosis factor alpha (TNF-α), interleukin 4 (IL-4), IL-1 receptor antagonist (IL-1ra), platelet-derived growth factor BB (PDGF-BB) and transforming growth factor beta-1 (TGF-β1) from two platelet-rich fibrin (PRF) preparations from equine blood obtained at either 240g/8min or 416g/10min. METHODS: Whole blood from 10 horses was used to obtain PRF clots by two different centrifugation protocols...
June 22, 2017: Cytokine
https://www.readbyqxmd.com/read/28648837/integrative-characterization-of-chronic-cigarette-smoke-induced-cardiopulmonary-comorbidities-in-a-mouse-model
#4
Ágnes Kemény, Kata Csekő, István Szitter, Zoltán V Varga, Péter Bencsik, Krisztina Kiss, Róbert Halmosi, László Deres, Krisztián Erős, Anikó Perkecz, László Kereskai, Terézia László, Tamás Kiss, Péter Ferdinandy, Zsuzsanna Helyes
Cigarette smoke-triggered inflammatory cascades and consequent tissue damage are the main causes of chronic obstructive pulmonary disease (COPD). There is no effective therapy and the key mediators of COPD are not identified due to the lack of translational animal models with complex characterization. This integrative chronic study investigated cardiopulmonary pathophysiological alterations and mechanisms with functional, morphological and biochemical techniques in a 6-month-long cigarette smoke exposure mouse model...
June 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28645307/aberrant-intestinal-microbiota-due-to-il-1-receptor-antagonist-deficiency-promotes-il-17-and-tlr4-dependent-arthritis
#5
Rebecca Rogier, Thomas H A Ederveen, Jos Boekhorst, Harm Wopereis, Jose U Scher, Julia Manasson, Sanne J C M Frambach, Jan Knol, Johan Garssen, Peter M van der Kraan, Marije I Koenders, Wim B van den Berg, Sacha A F T van Hijum, Shahla Abdollahi-Roodsaz
BACKGROUND: Perturbation of commensal intestinal microbiota has been associated with several autoimmune diseases. Mice deficient in interleukin-1 receptor antagonist (Il1rn (-/-) mice) spontaneously develop autoimmune arthritis and are susceptible to other autoimmune diseases such as psoriasis, diabetes, and encephalomyelitis; however, the mechanisms of increased susceptibility to these autoimmune phenotypes are poorly understood. We investigated the role of interleukin-1 receptor antagonist (IL-1Ra) in regulation of commensal intestinal microbiota, and assessed the involvement of microbiota subsets and innate and adaptive mucosal immune responses that underlie the development of spontaneous arthritis in Il1rn (-/-) mice...
June 23, 2017: Microbiome
https://www.readbyqxmd.com/read/28642703/different-regulation-of-interleukin-1-production-and-activity-in-monocytes-and-macrophages-innate-memory-as-an-endogenous-mechanism-of-il-1-inhibition
#6
Mariusz P Madej, Elfi Töpfer, Diana Boraschi, Paola Italiani
Production and activity of interleukin (IL)-1β are kept under strict control in our body, because of its powerful inflammation-promoting capacity. Control of IL-1β production and activity allows IL-1 to exert its defensive activities without causing extensive tissue damage. Monocytes are the major producers of IL-1β during inflammation, but they are also able to produce significant amounts of IL-1 inhibitors such as IL-1Ra and the soluble form of the decoy receptor IL-1R2, in an auto-regulatory feedback loop...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28631531/interleukin-1-receptor-antagonist-anakinra-intravenous-immunoglobulin-and-corticosteroids-in-the-management-of-critically-ill-adult-patients-with-hemophagocytic-lymphohistiocytosis
#7
Philipp Wohlfarth, Hermine Agis, Guido A Gualdoni, Johannes Weber, Thomas Staudinger, Peter Schellongowski, Oliver Robak
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) causes multiple organ dysfunction frequently leading to intensive care unit (ICU) referral and/or death. We report on a series of critically ill adult patients treated with a non-etoposide-based regimen including interleukin 1 antagonist anakinra, intravenous immunoglobulin (IVIG), and/or corticosteroids (CS) for HLH. METHODS: Eight adult (≥18 years) ICU patients having received treatment with anakinra ± IVIG ± CS for HLH between March 2014 and March 2016 at a large tertiary care university hospital (Medical University of Vienna, Vienna, Austria) were retrospectively analyzed...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28629271/expression-of-interleukin-1-and-temporomandibular-disorder-contemporary-review-of-the-literature
#8
Adam Sorenson, Kyle Hresko, Seth Butcher, Sean Pierce, Vinicius Tramontina, Rosalia Leonardi, Carla Loreto, Jose Bosio, Luis Eduardo Almeida
OBJECTIVE: Temporomandibular disorders (TMD) are a group of conditions affecting the temporomandibular joint (TMJ), leading to jaw dysfunction, joint and muscle pain, and a decrease in quality of life. A communication network of pro- and anti-inflammatory mediators called cytokines maintains the homeostasis of the TMJ. This review will focus on the Interleukin (IL) family of cytokines, which have been quantified in TMJ synovial fluids in a variety of studies. IL-1α and IL-1β have pro-inflammatory effects, while the endogenous receptor antagonist (IL-1RA) inhibits the pro-inflammatory effects of IL-1...
June 19, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28621212/methamphetamine-causes-neurotoxicity-by-promoting-polarization-of-macrophages-and-inflammatory-response
#9
X Li, F Wu, L Xue, B Wang, J Li, Y Chen, T Chen
Macrophages, especially their activation state, are closely related to the progression of neurotoxicity. Classically activated macrophages (M1) are proinflammatory effectors, while alternatively activated macrophages (M2) exhibit anti-inflammatory properties. As a powerful addictive psychostimulant drug, coupled with its neurotoxicity, methamphetamine (Meth) abuse may lead to long-lasting abnormalities in the neuronal system. The present study investigated the effect of Meth at subtoxic concentration on macrophage activation state and its underlying toxicity to neuronal cells...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28620307/peri-and-postoperative-treatment-with-the-interleukin-1-receptor-antagonist-anakinra-is-safe-in-patients-undergoing-renal-transplantation-case-series-and-review-of-the-literature
#10
Catharina M Mulders-Manders, Marije C Baas, Femke M Molenaar, Anna Simon
In patients undergoing solid organ transplantation, the presence of an interleukin-1 (IL-1) driven disease may require the addition of IL-1 inhibiting drugs to the standard immunosuppressive regimen to protect against inflammation and negative graft outcome. Three patients undergoing renal transplantation were treated perioperatively with the interleukin-1 receptor antagonist anakinra. Kidney function increased rapidly in all three and the only complications seen were minor infections. In vitro studies report associations between serum and urinary levels of IL-1β and IL-1 receptor antagonist and negative graft outcome, and studies in animals and two small human trials illustrate a possible protective effect of anti-IL-1 therapy after solid organ transplantation...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28619384/risk-stratification-to-determine-the-impact-of-induction-therapy-on-survival-rejection-and-adverse-events-after-pediatric-heart-transplant-a-multi-institutional-study
#11
Chesney Castleberry, Elizabeth Pruitt, Rebecca Ameduri, Kenneth Schowengerdt, Erik Edens, Nancy Hagin, James K Kirklin, David Naftel, Simon Urschel
BACKGROUND: Induction therapy is increasingly being used in pediatric heart transplantation. General versus risk-adapted use remains controversial. We aimed to determine the impact of induction therapy on outcomes after stratifying patients by diagnosis and risk. METHODS: The Pediatric Heart Transplant Study (PHTS) database was used to identify patients (age ≤18 years) who underwent transplantation between January 1, 2001 and December 31, 2014. Patients were excluded if they survived <48 hours or received multiple induction agents...
May 11, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28612927/the-il-1ra-gene-variable-number-tandem-repeat-variant-is-associated-with-susceptibility-to-temporomandibular-disorders-in-turkish-population
#12
Mehmet Kemal Tumer, Ayse Feyda Nursal, Akin Tekcan, Kaan Yerliyurt, Anastasia Geyko, Serbulent Yigit
BACKGROUND: Temporomandibular joint disorders (TMD) are a group of disorders involving temporomandibular joint and related structures. Interleukine-1 receptor antagonist (IL-1Ra) is an important anti-inflammatory molecule that competes with other interleukin-1 molecules. This study was designed to investigate the possible association of the IL-1Ra VNTR variant with the risk of TMD in the Turkish population. METHODS: Peripheral blood samples were collected from 100 patients with TMD (23 males, 77 females) and 110 healthy individuals (35 males, 75 females)...
June 14, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28612844/nlrp3-inflammasome-pathway-has-a-critical-role-in-the-host-immunity-against-clinically-relevant-acinetobacter-baumannii-pulmonary-infection
#13
N Dikshit, S D Kale, H J Khameneh, V Balamuralidhar, C Y Tang, P Kumar, T P Lim, T T Tan, A L Kwa, A Mortellaro, B Sukumaran
The opportunistic Gram-negative bacterium Acinetobacter baumannii (AB) is a leading cause of life-threatening nosocomial pneumonia. Outbreaks of multidrug resistant (MDR)-AB belonging to international clones (ICs) I and II with limited treatment options are major global health threats. However, the pathogenesis mechanisms of various AB clonal groups are understudied. Although inflammation-associated interleukin-1β (IL-1β) levels and IL-1 receptor antagonist polymorphisms were previously implicated in MDR-AB-related pneumonia in patients, whether inflammasomes has any role in the host defense and/or pathogenesis of clinically relevant A...
June 14, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28612257/peripheral-alterations-in-cytokine-and-chemokine-levels-after-antidepressant-drug-treatment-for-major-depressive-disorder-systematic-review-and-meta-analysis
#14
REVIEW
Cristiano A Köhler, Thiago H Freitas, Brendon Stubbs, Michael Maes, Marco Solmi, Nicola Veronese, Nayanna Q de Andrade, Gerwyn Morris, Brisa S Fernandes, André R Brunoni, Nathan Herrmann, Charles L Raison, Brian J Miller, Krista L Lanctôt, André F Carvalho
Mounting evidence suggests that aberrations in immune-inflammatory pathways contribute to the pathophysiology of major depressive disorder (MDD), and individuals with MDD may have elevated levels of predominantly pro-inflammatory cytokines and C-reactive protein. In addition, previous meta-analyses suggest that antidepressant drug treatment may decrease peripheral levels of interleukin-1 beta (IL-1β) and IL-6. Recently, several new studies examining the effect of antidepressants on these cytokines have been published, and so we performed an updated meta-analysis of studies that measured peripheral levels of cytokines and chemokines during antidepressant treatment in patients with MDD...
June 13, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28611665/toll-like-receptor-4-in-paraventricular-nucleus-mediates-visceral-hypersensitivity-induced-by-maternal-separation
#15
Hui-Li Tang, Gongliang Zhang, Ning-Ning Ji, Lei Du, Bin-Bin Chen, Rong Hua, Yong-Mei Zhang
Neonatal maternal separation (MS) is a major early life stress that increases the risk of emotional disorders, visceral pain perception and other brain dysfunction. Elevation of toll-like receptor 4 (TLR4) signaling in the paraventricular nucleus (PVN) precipitates early life colorectal distension (CRD)-induced visceral hypersensitivity and pain in adulthood. The present study aimed to investigate the role of TLR4 signaling in the pathogenesis of postnatal MS-induced visceral hypersensitivity and pain during adulthood...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28606052/targeting-the-tumor-microenvironment-by-intervention-in-interleukin-1-biology
#16
Elena Voronov, Ron N Apte
The importance of anti-tumor immunity in the outcome of cancer is now unequivocally established and recent achivements in the field have stimulated the development of new immunotherapeutical approaches. In invasive tumors, widespread inflammation promotes invasiveness and concomitantly also inhibits anti-tumor immune responses. We suggest that efficient tumor treatment should target both the malignant cells and the tumor microenvironment. Interleukin-1 (IL-1) is a pro-inflammatory as well as an immunostimulatory cytokine that is abundant in the tumor microenvironment...
June 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28602833/a-novel-il-1ra-pep-fusion-protein-with-enhanced-brain-penetration-ameliorates-cerebral-ischemia-reperfusion-injury-by-inhibition-of-oxidative-stress-and-neuroinflammation
#17
Dong-Dong Zhang, Min-Ji Zou, Ya-Tao Zhang, Wen-Liang Fu, Tao Xu, Jia-Xi Wang, Wen-Rong Xia, Zhi-Guang Huang, Xiang-Dong Gan, Xiao-Ming Zhu, Dong-Gang Xu
Neuroinflammation and oxidative stress are involved in cerebral ischemia-reperfusion, in which Interleukin 1 (IL-1), as an effective intervention target, is implicated. Interleukin-1 receptor antagonist (IL-1RA) is the natural inhibitor of IL-1, but blood-brain barrier (BBB) limits the brain penetration of intravenously administered IL-1RA, thereby restricting its therapeutic effect against neuroinflammation. In this study, we evaluated the potential effects of anti-inflammation and anti-oxidative stress of a novel protein IL-1RA-PEP, which fused IL-1RA with a cell penetrating peptide (CPP)...
June 8, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28600230/cytokine-and-chemokine-profile-changes-in-patients-with-lower-segment-lumbar-degenerative-spondylolisthesis
#18
Juraj Sutovsky, Martin Benco, Martina Sutovska, Michaela Kocmalova, Lenka Pappova, Juraj Miklusica, Andrej Frano, Egon Kurca
BACKGROUND: Lumbar degenerative spondylolisthesis (DS) develops as a result of inflammatory and remodeling processes in facet joints (FJs). Several inflammatory cytokines are involved in the osteoarthritic and remodeling changes that occur and in low-back and/or radicular pain, the most prevalent clinical symptom of disease. This study improves knowledge related to the roles that 27 cytokines, chemokines and growth factors play in the pathophysiology of lumbar DS. MATERIAL AND METHODS: Cytokine levels were examined using capture sandwich immunoassay using the Bio-Plex(®) 200 System and the Bio-PlexTM Human Cytokine Standard 27-Plex, Group I (Bio-Rad, Hercules, California, USA) separately in intervertebral discs (IVDs) and FJ bone tissue...
June 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28593919/effects-of-interleukin-1-receptor-antagonist-il-1ra-gene-86-bp-vntr-polymorphism-on-recurrent-pregnancy-loss-a-case-control-study
#19
Yasamin Sayed Hajizadeh, Elina Emami, Marina Nottagh, Zahra Amini, Nazila Fathi Maroufi, Saba Haj Azimian, Alireza Isazadeh
Objective Recurrent pregnancy loss (RPL) is a heterogeneous disease which is defined as two or more consecutive fetal losses during early pregnancy. Interleukin-1 receptor antagonist (IL-1Ra) is a anti-inflammatory cytokine, which inhibits IL-1 activity by binding to its receptors. The aim of this study was to investigate the association between RPL and IL-1Ra intron 2 polymorphism (86 bp VNTR) in Iranian women. Materials and methods In this case control study, genetic polymorphism was studied in 140 RPL patients and 140 healthy women as controls...
May 26, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28588495/a-brief-history-of-il-1-and-il-1-ra-in-rheumatology
#20
Jean-Michel Dayer, Francesca Oliviero, Leonardo Punzi
The history of what, in 1979, was called interleukin-1 (IL-1), orchestrator of leukocyte inter-communication, began many years before then, initially by the observation of fever induction via the endogenous pyrogen (EP) (1974) and then in rheumatology on the role in tissue destruction in rheumatoid diseases via the induction of collagenase and PGE2 in human synovial cells by a mononuclear cell factor (MCF) (1977). Since then, the family has exploded to presently 11 members as well as many membrane-bound and soluble receptor forms...
2017: Frontiers in Pharmacology
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