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https://www.readbyqxmd.com/read/28529072/rescue-of-il-1%C3%AE-induced-reduction-of-human-neurogenesis-by-omega-3-fatty-acids-and-antidepressants
#1
Alessandra Borsini, Silvia Alboni, Mark A Horowitz, Luis M Tojo, Giuseppe Cannazza, Kuan-Pin Su, Carmine M Pariante, Patricia A Zunszain
Both increased inflammation and reduced neurogenesis have been associated with the pathophysiology of major depression. We have previously described how interleukin-1 (IL-1) β,a pro-inflammatory cytokine increased in depressed patients, decreases neurogenesis in human hippocampal progenitor cells. Here, using the same human in vitro model, we show how omega-3 (ω-3) polyunsaturated fatty acids and conventional antidepressants reverse this reduction in neurogenesis, while differentially affecting the kynurenine pathway...
May 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28528307/extracellular-atp-is-a-key-modulator-of-alveolar-bone-loss-in-periodontitis
#2
REVIEW
Itzhak Binderman, Nasir Gadban, Avinoam Yaffe
Periodontal diseases are initiated by pathogenic bacterial biofilm activity that induces a host inflammatory cells immune response, degradation of dento gingival fibrous tissue and its detachment from root cementum. It is well accepted, that osteoclastic alveolar bone loss is governed exclusively through secretion of proinflammatory cytokines. Nevertheless, our findings suggest that once degradation of collagen fibers by MMPs occurs, a drop of cellular strains cause immediate release of ATP from marginal gingival fibroblasts, cell deformation and influx of Ca+2...
May 13, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28528200/sputum-transcriptomics-reveal-up-regulation-of-il-1-receptor-family-members-in-severe-asthma
#3
Christos Rossios, Stelios Pavlidis, Uruj Hoda, Chih-Hsi Kuo, Coen Wiegman, Kirsty Russell, Kai Sun, Matthew J Loza, Frederic Baribaud, Andrew L Durham, Oluwaseun Ojo, Rene Lutter, Anthony Rowe, Aruna Bansal, Charles Auffray, Ana Sousa, Julie Corfield, Ratko Djukanovic, Yike Guo, Peter J Sterk, Kian Fan Chung, Ian M Adcock
BACKGROUND: Sputum analysis in asthma is used to define airway inflammatory processes and may guide therapy. OBJECTIVE: To determine differential gene and protein expression in sputum samples from patients with severe asthma (SA) compared to mild-moderate non-smoking asthmatics (MMA). METHODS: Induced sputum was obtained from non-smoking SA (SAn), smokers/ex-smokers with SA (SAsm), MMA and healthy non-smoking controls. Differential cell counts, microarray analysis of cell pellets and SOMAscan analysis of sputum analytes was performed...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28522598/immunotherapeutic-approaches-of-il-1-neutralization-in-the-tumor-microenvironment
#4
REVIEW
Ron N Apte, Elena Voronov
IL-1 is a pleiotropic cytokine that controls inflammation, immunity, and hemopoiesis. The major IL-1 agonistic molecules are IL-1α and IL-1β, which bind to IL-1R type I (IL-1R1) and induce similar biologic functions. The IL-1R antagonist (IL-1Ra) is a physiologic inhibitor of IL-1R1 signaling. In the tumor microenvironment, IL-1 is expressed by malignant, stromal, and infiltrating cells and supports tumor invasiveness and progression. We have shown that in the tumor microenvironment, the IL-1 agonistic molecules act different as a result of their local amounts and their compartmentalization within the producing cells...
May 18, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28521514/baicalein-attenuates-lung-injury-induced-by-myocardial-ischemia-and-reperfusion
#5
Chang-Chi Lai, Po-Hsun Huang, An-Han Yang, Shu-Chiung Chiang, Chia-Yu Tang, Kuo-Wei Tseng, Cheng-Hsiung Huang
Baicalein is an active component of Scutellaria baicalensis Georgi, which has traditionally been used to treat cardiovascular diseases in China. In this study, we investigated if treatment with baicalein can attenuate the lung injury induced by myocardial ischemia and reperfusion (I/R). Myocardial I/R, induced by a 40-min occlusion of the left anterior descending coronary artery and a 3-h reperfusion, significantly increased histological damage and the wet-to-dry weight ratio of lungs in rats. The terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL)-positive nuclei and caspase-3 activation was significantly increased in the lungs...
May 18, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28521513/astragalus-polysaccharides-attenuate-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats
#6
Lin-Bo Yuan, Chun-Yan Hua, Sheng Gao, Ya-Ling Yin, Mao Dai, Han-Yan Meng, Piao-Piao Li, Zhong-Xin Yang, Qing-Hua Hu
Astragalus polysaccharides (APS) have been shown to possess a variety of biological activities including anti-oxidant and anti-inflammation functions in a number of diseases. However, their function in pulmonary arterial hypertension (PAH) is still unknown. Rats received APS (200[Formula: see text]mg/kg once two days) for 2 weeks after being injected with monocrotaline (MCT; 60[Formula: see text]mg/kg). The pulmonary hemodynamic index, right ventricular hypertrophy, and lung morphological features of the rat models were examined, as well as the NO/eNOS ratio of wet lung and dry lung weight and MPO...
May 18, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28520792/myd88-signaling-in-dendritic-cells-and-the-intestinal-epithelium-controls-immunity-against-intestinal-infection-with-c-rodentium
#7
Christin Friedrich, Panagiota Mamareli, Sophie Thiemann, Friederike Kruse, Zuobai Wang, Bernhard Holzmann, Till Strowig, Tim Sparwasser, Matthias Lochner
MyD88-mediated signaling downstream of Toll-like receptors and the IL-1 receptor family is critically involved in the induction of protective host responses upon infections. Although it is known that MyD88-deficient mice are highly susceptible to a wide range of bacterial infections, the cell type-specific contribution of MyD88 in protecting the host against intestinal bacterial infection is only poorly understood. In order to investigate the importance of MyD88 in specific immune and nonimmune cell types during intestinal infection, we employed a novel murine knock-in model for MyD88 that enables the cell type-specific reactivation of functional MyD88 expression in otherwise MyD88-deficient mice...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28515924/effect-of-serum-interleukin-1-receptor-antagonist-level-on-survival-of-patients-with-non-small-cell-lung-cancer
#8
Murat Yigit, Serkan Değirmencioğlu, Erhan Ugurlu, Arzu Yaren
Due to poor prognosis in advanced non-small cell lung cancer (NSCLC), new effective markers are required in the monitoring of the disease. The present study aimed to investigate the association between the serum IL-1 receptor antagonist (IL-1Ra) level, overall survival (OS), and treatment response in NSCLC, and to evaluate the usefulness of the serum IL-1Ra level as a prognostic marker for NSCLC. Eighty patients (72 men and 8 women) and 40 healthy volunteers (13 men and 27 women) were included in the present study...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28514764/trim32-affects-the-recovery-of-motor-function-following-spinal-cord-injury-through-regulating-proliferation-of-glia
#9
Qiang Fu, Ming-Ming Zou, Jian-Wei Zhu, Yan Zhang, Wen-Jin Chen, Mei Cheng, Chun-Feng Liu, Quan-Hong Ma, Ru-Xiang Xu
Both the extrinsic environmental factors and intrinsic neuronal mechanisms limit the axonal regeneration after spinal cord injury (SCI). However, the underlying molecular mechanisms remain unclear. In the present study, we identify tripartite motif protein 32 (TRIM32), an E3 ubiquitin ligase, which is barely detected in glial cells in the normal uninjured spinal cord, exhibits strong expression in both astrocytes and microglia following SCI. We further observe that deficiency of TRIM32 results in increased numbers of astrocytes and microglia, which is accompanied by enhanced proliferation of both cells and increased secretion of interleukin (IL)-1 and IL-10...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514740/differential-expression-of-circulating-biomarkers-of-tumor-phenotype-and-outcomes-in-previously-treated-non-small-cell-lung-cancer-patients-receiving-erlotinib-vs-cytotoxic-chemotherapy
#10
Mary Jo Fidler, Casey Frankenberger, Richard Seto, Gabriela C Lobato, Cristina L Fhied, Selina Sayidine, Sanjib Basu, Mark Pool, Reem Karmali, Marta Batus, Wen-Rong Lie, David Hayes, Jehangir Mistry, Philip Bonomi, Jeffrey A Borgia
BACKGROUND: The objective of this study was to identify serum biomarkers capable of predicting clinical outcomes in previously-treated NSCLC patients with wild-type for EGFR activating mutations or insufficient tissue for mutation status determination. METHODS: Sixty-six Luminex immunoassays representative of biological themes that emerged from a re-analysis of transcriptome data from the Cancer Genome Atlas (TCGA) were evaluate against pretreatment serum specimens from previously-treated advanced NSCLC patients received either cytotoxic chemotherapy (n=32) or erlotinib (n=79)...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28514189/effects-of-vaccination-with-the-c-strain-vaccine-on-immune-cells-and-cytokines-of-pigs-against-classical-swine-fever-virus
#11
Lu Xu, Xue-Zheng Fan, Qi-Zu Zhao, Zheng-Xing Zhang, Kai Chen, Yi-Bao Ning, Qian-Yi Zhang, Xing-Qi Zou, Yuan-Yuan Zhu, Cui Li, Yu-Jie Zhang, Qin Wang
The attenuated C-strain vaccine against classical swine fever virus (CSFV) is one of the safest and most effective attenuated vaccines. However, little is known of the host immune response after vaccination with the C-strain vaccine. Blood samples from vaccinated pigs were collected to evaluate the number of immune cells, the level of specific CSFV antibody, and related cytokines induced by the vaccination of C-strain vaccine. The C-strain nucleic acid was gradually removed and specific antibody to vaccine kept increasing; the amount of the lymphocyte, Tc cell, and Th cell increased; some inflammatory cytokines such as interleukin (IL)-1 and tumor necrosis factor-α mainly showed downregulated trends, but IL-6 and IL-8 were upregulated greatly; IL-2, IL-4, IL-5, IL-12p40, IL-13, interferon (IFN)-I, and Toll-like receptors (TLRs) kept high expression level after 28 days postvaccination (dpv); IFN-γ was upregulated slightly at 5 and 9 dpv, respectively...
May 17, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28512203/the-mechanism-of-activation-of-irak1-and-irak4-by-interleukin-1-and-toll-like-receptor-agonists
#12
Stefan Vollmer, Sam Strickson, Tinghu Zhang, Nathanael Gray, Katherine Lee, Vikram Rao, Philip Cohen
We have developed the first assays that measure the protein kinase activities of Interleukin-1 Receptor Associated Kinase 1 (IRAK1) and IRAK4 reliably in human cell extracts, by employing Pellino1 as a substrate in conjunction with specific pharmacological inhibitors of IRAK1 and IRAK4. We exploited these assays to show that IRAK4 was constitutively active and that its intrinsic activity towards Pellino1 was not increased significantly by stimulation with interleukin-1 (IL-1) in IL-1R-expressing HEK293 cells, Pam3Csk4-stimulated human THP1 monocytes or primary human macrophages...
May 16, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28511160/features-of-some-clinical-examination-parameters-in-patients-with-psoriatic-arthritis
#13
Оrysya Syzon, Iryna Voznyak, Marianna Dashko
INTRODUCTION: The relationship of cause-and-effect mechanisms of exacerbation and progressing with defining of the role of stress reaction in the psoriatic arthritis (PA) development has been examined in the article by analyzing the characteristics of medical history, current dynamics as well as clinical, instrumental and laboratory examinations. The objective was to study the role of basic indices of laboratory examinations of patients used clarify their role in the pathogenesis of PA...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28507161/interleukin-1-and-traf6-dependent-activation-of-tak1-in-the-absence-of-tab2-and-tab3
#14
Jiazhen Zhang, Thomas Macartney, Mark Peggie, Philip Cohen
Interleukin-1 (IL-1) signaling induces the formation of Lys63-linked ubiquitin (K63-Ub) chains, which are thought to activate the "master" protein kinase TAK1 by interacting with its TAB2 and TAB3 subunits. Here, we report that IL-1b can also activate the TAB1-TAK1 heterodimer present in TAB2/TAB3 double knock-out (DKO) IL-1 receptor-expressing cells. The IL-1b-dependent activation of the TAB1-TAK1 heterodimer in TAB2/3 DKO cells required the expression and E3 ligase activity of TRAF6 and was reduced by the siRNA knock-down of Ubc13, an E2 conjugating enzyme that directs the formation of K63-Ub chains...
May 15, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28503543/irak4-deficiency-in-a-patient-with-recurrent-pneumococcal-infections-case-report-and-review-of-the-literature
#15
Karina Gobin, Mary Hintermeyer, Bertrand Boisson, Maya Chrabieh, Pegah Gandil, Ann Puel, Capucine Picard, Jean-Laurent Casanova, John Routes, James Verbsky
Primary immunodeficiencies are genetic defects of the innate or adaptive immune system, resulting in a propensity to infections. The innate immune system is the first line of defense against pathogens and is critical to recognize microbes and start the inflammatory cascade. Sensing of microbes occurs by a number of pathogen-recognition receptors, resulting in the activation of inflammatory signal transduction pathways, such as the activation of NF-κB. Herein, we describe a case of IRAK4 deficiency, a key signal transduction molecule of toll-like and IL-1 receptors...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28501913/chronic-myeloid-leukemia-immunobiology-and-novel-immunotherapeutic-approaches
#16
Emilie Cayssials, Francois Guilhot
Imatinib has revolutionized the treatment and prognosis of chronic myeloid leukemia (CML) with survival rates now approaching those of the age-matched healthy population. To be able to discontinue tyrosine kinase inhibitor (TKI) treatment, it is necessary to develop complementary therapies to target minimal residual disease. Recent findings by a number of investigators in both CML mouse models and CML patients offer evidence that many factors in the leukemic microenvironment can collectively contribute to immune escape, including expansion of myeloid-derived suppressor cells, programmed death-1/programmed death-1 ligand interactions resulting in T-cell impairment, expression of soluble suppressive factors such as soluble CD25, and down-regulation of MHC molecules by CML cells...
May 13, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28499891/sapho-autophagy-il-1-foxo1-and-propionibacterium-cutibacterium-acnes
#17
Jean-Marie Berthelot, Stéphane Corvec, Gilles Hayem
Overt infection by Propionibacterium acnes is lacking in many SAPHO syndromes, and antibiotics have only a transient and incomplete effect, either in SAPHO syndrome or acne. As several auto-inflammatory bone disorders sharing over-production of IL-1β can mimic SAPHO, this syndrome could partly depend on genetically encoded overproduction of IL-1β. However, cyclic intracellular infections, mostly by P. acnes, can contribute to the enhanced IL-1β release by some skin cells, and probably by bone cells. P. acnes is indeed a powerful trigger of NLRP3-inflammasome activation and IL-1β, leading to osteitis and enhanced mesenchymal cells differentiation in osteoblasts...
May 9, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28499329/biologic-therapy-modifies-clinical-and-laboratory-features-of-macrophage-activation-syndrome-associated-with-systemic-juvenile-idiopathic-arthritis
#18
Grant S Schulert, Francesca Minoia, John Bohnsack, Randy Q Cron, Soah Hashad, Isabelle Kone-Paut, Mikhail Kostik, Daniel Lovell, Despoina Maritsi, Peter A Nigrovic, Priyankar Pal, Angelo Ravelli, Masaki Shimizu, Valda Stanevicha, Sebastiaan Vastert, Andreas Woerner, Fabrizio de Benedetti, Alexei A Grom
OBJECTIVE: To assess performance of the 2016 macrophage activation syndrome (MAS) classification criteria for patients with systemic juvenile idiopathic arthritis (systemic JIA) who develop MAS while treated with biologic medications. METHODS: A systematic literature review was performed to identify patients with MAS while treated with IL-1 and IL-6 blocking agents. Clinical and laboratory information was compared to a large previously compiled historical cohort...
May 12, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28497352/monogenic-periodic-fever-syndromes-treatment-options-for-the-pediatric-patient
#19
REVIEW
Seza Ozen, Selcan Demir
Autoinflammatory diseases are disorders of the innate immune system characterized by uncontrolled inflammation. The most commonly encountered autoinflammatory diseases are the hereditary periodic fever syndromes, which present with fever and other features of the skin, serosal membranes, and musculoskeletal system. The main inherited (monogenic) periodic fever syndromes are familial Mediterranean fever (FMF), cryopyrin-associated periodic syndrome (CAPS), tumor necrosis factor receptor-associated periodic syndrome (TRAPS), and hyperimmunoglobulin D syndrome (HIDS)/mevalonate kinase deficiency (MKD)...
May 11, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28497222/interleukin-1-blockade-an-update-on-emerging-indications
#20
REVIEW
Anoop Mistry, Sinisa Savic, Jeroen C H van der Hilst
Interleukin (IL)-1 is a pro-inflammatory cytokine that induces local and systemic inflammation aimed to eliminate microorganisms and tissue damage. However, an increasing number of clinical conditions have been identified in which IL-1 production is considered inappropriate and IL-1 is part of the disease etiology. In autoinflammatory diseases, gout, Schnitzler's syndrome, and adult-onset Still's disease, high levels of inappropriate IL-1 production have been shown to be a key process in the etiology of the disease...
May 11, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
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