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type I interferon

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https://www.readbyqxmd.com/read/28531117/immunobiology-of-newcastle-disease-virus-and-its-use-for-prophylactic-vaccination-in-poultry-and-as-adjuvant-for-therapeutic-vaccination-in-cancer-patients
#1
REVIEW
Volker Schirrmacher
Newcastle disease (ND) is one of the most important diseases of poultry worldwide. In the last decades, molecular research has gained a lot of new information about its causative agent, newcastledisease virus (NDV). In poultry industry, certain strains of NDV have been used for preventive vaccination for more than 60 years. NDV has also been applied to cancer patients with beneficial effects for about 50 years, but this is less well known. The molecular basis for these differential effects of NDV in birds and man have been elucidated in the last decades and are explained in this review...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28530712/the-microrna-mir-31-inhibits-cd8-t-cell-function-in-chronic-viral-infection
#2
Howell F Moffett, Adam N R Cartwright, Hye-Jung Kim, Jernej Godec, Jason Pyrdol, Tarmo Äijö, Gustavo J Martinez, Anjana Rao, Jun Lu, Todd R Golub, Harvey Cantor, Arlene H Sharpe, Carl D Novina, Kai W Wucherpfennig
During infection, antigen-specific T cells undergo tightly regulated developmental transitions controlled by transcriptional and post-transcriptional regulation of gene expression. We found that the microRNA miR-31 was strongly induced by activation of the T cell antigen receptor (TCR) in a pathway involving calcium and activation of the transcription factor NFAT. During chronic infection with lymphocytic choriomeningitis virus (LCMV) clone 13, miR-31-deficent mice recovered from clinical disease, while wild-type mice continued to show signs of disease...
May 22, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28530548/critical-role-of-rig-i-and-mda5-in-early-and-late-stages-of-tulane-virus-infection
#3
Preeti Chhabra, Priya Ranjan, Theresa Cromeans, Suryaprakash Sambhara, Jan Vinjé
Human noroviruses are a major cause of acute gastroenteritis worldwide, but the lack of a robust cell culture system or small animal model have hampered a better understanding of innate immunity against these viruses. Tulane virus (TV) is the prototype virus of a tentative new genus, Recovirus, in the family Caliciviridae. Its epidemiology and biological properties most closely resemble human norovirus. The host innate immune response to RNA virus infection primarily involves pathogen-sensing toll-like receptors (TLRs) TLR3 and TLR7 and retinoic acid-inducible gene I-like receptor RIG-I and melanoma differentiation associated gene 5 (MDA5)...
May 22, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28529959/getting-inside-type-i-ifns-type-i-ifns-in-intracellular-bacterial-infections
#4
REVIEW
Deann T Snyder, Jodi F Hedges, Mark A Jutila
Type I interferons represent a unique and complex group of cytokines, serving many purposes during innate and adaptive immunity. Discovered in the context of viral infections, type I IFNs are now known to have myriad effects in infectious and autoimmune disease settings. Type I IFN signaling during bacterial infections is dependent on many factors including whether the infecting bacterium is intracellular or extracellular, as different signaling pathways are activated. As such, the repercussions of type I IFN induction can positively or negatively impact the disease outcome...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28528454/new-insights-into-pericarditis-mechanisms-of-injury-and-therapeutic-targets
#5
REVIEW
Bo Xu, Serge C Harb, Paul C Cremer
PURPOSE OF REVIEW: This review article aims to provide a contemporary insight into the pathophysiological mechanisms of and therapeutic targets for pericarditis, drawing distinction between autoinflammatory and autoimmune pericarditis. RECENT FINDINGS: Recent research has focused on the distinction between autoinflammatory and autoimmune pericarditis. In autoinflammatory pericarditis, viruses can activate the sensor molecule of the inflammasome, which results in downstream release of cytokines, such as interleukin-1, that recruit neutrophils and macrophages to the site of injury...
July 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28527896/molecular-characterization-and-expression-analyses-of-the-solea-senegalensis-interferon-stimulated-gene-15-isg15-following-nnv-infections
#6
Daniel Álvarez-Torres, Ana María Podadera, M Carmen Alonso, Isabel Bandín, Julia Béjar, Esther García-Rosado
Interferons are essential in fish resistance to viral infections. They induce interferon-stimulated genes, such as isg15. In this study, the Senegalese sole isg15 gene (ssisg15) has been characterized. As other isg15, ssisg15 contains a 402-bp intron sited in the 5'-UTR, and the full length cDNA is 1492-bp, including a 480-bp ORF. The expression analyses revealed basal levels of isg15 transcripts, and a clear induction after poly I:C injection, that reached maximum values in brain, head kidney and gills. The ssisg15 induction patterns were similar in RGNNV- and SJNNV-inoculated fish, whereas the reassortant (RG/SJ) isolate, which has higher replication fitness, triggered delayed but higher transcript levels...
May 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28525378/irf5-is-elevated-in-childhood-onset-sle-and-regulated-by-histone-acetyltransferase-and-histone-deacetylase-inhibitors
#7
Jin Shu, Ling Li, Lan-Bo Zhou, Jun Qian, Zhi-Dan Fan, Li-Li Zhuang, Lu-Lu Wang, Rui Jin, Hai-Guo Yu, Guo-Ping Zhou
Interferon regulatory factor 5 (IRF5) plays a critical role in the induction of type I interferon, proinflammatory cytokines and chemokines, and participates in the pathogenesis of autoimmune diseases such as systemic lupus erythematosus (SLE). However, the relationship between IRF5 and childhood-onset SLE remains elusive. In the present study, we demonstrated that levels of mRNA expression of IRF5, IFN-α, and Sp1 were significantly increased in childhood-onset SLE, as seen on quantitative real-time PCR, and the expression of Sp1 and IFN-α was positively correlated with IRF5...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523924/comparison-of-transcriptional-profiles-of-interferons-cxcl10-and-rig-1-in-influenza-infected-a549-cells-stimulated-with-exogenous-interferons
#8
V Lachová, L Škorvanová, D Svetlíková, L Turianová, A Kostrábová, T Betáková
Type I and type III interferons (IFNs) are induced by viral infection. It was concluded that these IFN species are identical in regulation and biological functions. However, these two systems differ in the tissue expression of their receptors and their transcriptional regulation is fundamentally different as well as cellular signaling pathways that drive expression of each IFN. Here, we have investigated the transcriptional profile of endogenous IFNs after stimulation of cells with exogenous IFNs and subsequent infection of A549 cells with A/chicken/Germany/27 [H7N7] influenza virus...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28522220/surgical-reconstruction-of-ruptured-anterior-cruciate-ligament-prolongs-trauma-induced-increase-of-inflammatory-cytokines-in-synovial-fluid-an-exploratory-analysis-in-the-kanon-trial
#9
Staffan Larsson, André Struglics, L Stefan Lohmander, Richard Frobell
OBJECTIVE: Prospectively monitor how treatment of acutely ruptured anterior cruciate ligament (ACL) affects biomarkers of inflammation and proteolytic degradation over five years. DESIGN: We studied 119 subjects with acute ACL injury from the randomized controlled KANON-trial (Clinical trial ISRCTN 84752559) who had synovial fluid, serum and urine samples available from at least two out of six visits over five years after acute ACL rupture. All subjects followed a similar rehabilitation protocol where, according to randomization, 60 also had early ACL reconstruction and 59 had the option to undergo a delayed ACL reconstruction if needed...
May 15, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28519900/type-i-interferon-pathway-in-cns-homeostasis-and-neurological-disorders
#10
REVIEW
Thomas Blank, Marco Prinz
Type I interferons (IFNs), IFN-α and IFN-β, represent the major effector cytokines of the host immune response against viruses and other intracellular pathogens. These cytokines are produced via activation of numerous pattern recognition receptors, including the Toll-like receptor signaling network, retinoic acid-inducible gene-1 (RIG-1), melanoma differentiation-associated protein-5 (MDA-5) and interferon gamma-inducible protein-16 (IFI-16). Whilst the contribution of type I IFNs to peripheral immunity is well documented, they can also be produced by almost every cell in the central nervous system (CNS)...
May 18, 2017: Glia
https://www.readbyqxmd.com/read/28518105/murine-lymphocyte-labeling-by-64cu-antibody-receptor-targeting-for-in-vivo-cell-trafficking-by-pet-ct
#11
Sabrina H L Hoffmann, Andreas Maurer, Dorothea I Reck, Gerald Reischl, Bernd J Pichler, Manfred Kneilling, Christoph M Griessinger
This protocol illustrates the production of (64)Cu and the chelator conjugation/radiolabeling of a monoclonal antibody (mAb) followed by murine lymphocyte cell culture and (64)Cu-antibody receptor targeting of the cells. In vitro evaluation of the radiolabel and non-invasive in vivo cell tracking in an animal model of an airway delayed-type hypersensitivity reaction (DTHR) by PET/CT are described. In detail, the conjugation of a mAb with the chelator 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA) is shown...
April 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28514692/interferon-%C3%AE-mediates-non-redundant-front-line-antiviral-protection-against-influenza-virus-infection-without-compromising-host-fitness
#12
Ioanna E Galani, Vasiliki Triantafyllia, Evridiki-Evangelia Eleminiadou, Ourania Koltsida, Athanasios Stavropoulos, Maria Manioudaki, Dimitris Thanos, Sean E Doyle, Sergei V Kotenko, Kalliopi Thanopoulou, Evangelos Andreakos
Lambda interferons (IFNλs) or type III IFNs share homology, expression patterns, signaling cascades, and antiviral functions with type I IFNs. This has complicated the unwinding of their unique non-redundant roles. Through the systematic study of influenza virus infection in mice, we herein show that IFNλs are the first IFNs produced that act at the epithelial barrier to suppress initial viral spread without activating inflammation. If infection progresses, type I IFNs come into play to enhance viral resistance and induce pro-inflammatory responses essential for confronting infection but causing immunopathology...
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514682/you-can-breathe-easy-ifn%C3%AE-handles-flu-without-triggering-a-damaging-inflammatory-response
#13
Bridget A Robinson, Timothy J Nice
Type III interferon (IFNλ) and type I IFN (IFNα/β) have overlapping antiviral activities in the lung. In this issue of Immunity, Galani et al. (2017) identify a critical early role for IFNλ, not shared by IFNα/β, in protection of the lung following influenza virus infection.
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514450/evolutionary-enhancement-of-zika-virus-infectivity-in-aedes-aegypti-mosquitoes
#14
Yang Liu, Jianying Liu, Senyan Du, Chao Shan, Kaixiao Nie, Rudian Zhang, Xiao-Feng Li, Renli Zhang, Tao Wang, Cheng-Feng Qin, Penghua Wang, Pei-Yong Shi, Gong Cheng
Zika virus (ZIKV) remained obscure until the recent explosive outbreaks in French Polynesia (2013-2014) and South America (2015-2016). Phylogenetic studies have shown that ZIKV has evolved into African and Asian lineages. The Asian lineage of ZIKV was responsible for the recent epidemics in the Americas. However, the underlying mechanisms through which ZIKV rapidly and explosively spread from Asia to the Americas are unclear. Non-structural protein 1 (NS1) facilitates flavivirus acquisition by mosquitoes from an infected mammalian host and subsequently enhances viral prevalence in mosquitoes...
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28513991/immunoprotective-effect-of-chitosan-particles-on-hymenolepis-nana-infected-mice
#15
Mahmoud Abdel-Latif, Gamal El-Shahawi, Shawky M Aboelhadid, Heba Abdel-Tawab
Hymenolepis nana is the most commonly known intestinal cestode infecting mainly human. The present study aimed to investigate the potential effect of chitosan particles (CSP) to enhance the immune system against H. nana infection. Determination of worm burden, egg output, histopathological changes, oxidative stress markers (lipid peroxidation & reduced glutathione), goblet (GCs) and mucosal mast cells (MMCs) counts in intestinal ileum were performed. In addition, levels of intestinal mRNA expression of interleukin (IL)-4, IL-9, stem cell factor (SCF), type I & II interferons (IFN)-α/ γ, tumor necrosis factor (TNF)-α, mucin 2 (MUC2), and inducible nitric oxide synthase (iNOs) were investigated using real-time PCR...
May 17, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28513416/the-role-of-esx-1-in-mycobacterium-tuberculosis-pathogenesis
#16
Ka-Wing Wong
In this article, we have described several cellular pathological effects caused by the Mycobacterium tuberculosis ESX-1. The effects include induction of necrosis, NOD2 signaling, type I interferon production, and autophagy. We then attempted to suggest that these pathological effects are mediated by the cytosolic access of M. tuberculosis-derived materials as a result of the phagosome-disrupting activity of the major ESX-1 substrate ESAT-6. Such activity of ESAT-6 is most likely due to its pore-forming activity at the membrane...
May 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28507789/calreticulin-promotes-immunity-and-type-i-interferon-dependent-survival-in-mice-with-acute-myeloid-leukemia
#17
Xiufen Chen, Dominick Fosco, Douglas E Kline, Justin Kline
Exposure of cancer cells to particular chemotherapeutic agents or γ-irradiation induces a form of cell death that stimulates an immune response in mice. This "immunogenic cell death" requires calreticulin (CRT) translocation to the plasma membrane, which has been shown to promote cancer cell phagocytosis. However, it remains unclear whether the effect of CRT on cancer cell phagocytosis is alone sufficient to affect tumor immunity. Acute myeloid leukemia (AML) cells expressing cell-surface CRT were generated in order to characterize the mechanism(s) through which CRT activates tumor immune responses...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28506791/enterovirus-71-induced-has-mir-21-contributes-to-evasion-of-host-immune-system-by-targeting-myd88-and-irak1
#18
Na Feng, Zhizhao Zhou, Yuanxia Li, Lifang Zhao, Zhengfeng Xue, Rong Lu, Kunpeng Jia
Enterovirus71(EV71), the etiological agent of hand-foot-and-mouth disease, has increasingly become a public health challenge around the world. Type I interferons (IFNs) are an important family of cytokines that regulate innate and adaptive immune responses to pathogens.These pathways are tightly regulated by the host to prevent an inappropriate cellular response, but viruses can modulate these pathways to proliferate and spread. In this study, we demonstrated that EV71 evades the immune surveillance system to proliferate by activating microRNA-21...
May 12, 2017: Virus Research
https://www.readbyqxmd.com/read/28506535/sca-1-expression-level-identifies-quiescent-hematopoietic-stem-and-progenitor-cells
#19
Mina N F Morcos, Kristina B Schoedel, Anja Hoppe, Rayk Behrendt, Onur Basak, Hans C Clevers, Axel Roers, Alexander Gerbaulet
Blood cell generation depends on continuous cellular output by the sequential hierarchy of hematopoietic stem cell (HSC) and progenitor populations that all contain quiescent and actively cycling cells. Hematopoietic stem and progenitor cells (HSPCs) express the surface molecule Stem cell antigen 1 (SCA-1/LY6A). Using histone 2B-red fluorescent fusion protein label retention and cell-cycle reporter mice, we demonstrate that high SCA-1 expression (SCA-1(hi)) identifies not only quiescent HSCs but quiescent cells on all hierarchical levels within the lineage(-)SCA-1(+)KIT(+) (LSK) population...
May 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28505365/allograft-inflammatory-factor-1-links-t-cell-activation-interferon-response-and-macrophage-activation-in-chronic-kawasaki-disease-arteritis
#20
Anne H Rowley, Susan C Baker, Kwang-Youn A Kim, Stanford T Shulman, Amy Yang, David Arrollo, Matthew DeBerge, Shuling Han, Nicholas E S Sibinga, Adam J Pink, Edward B Thorp
Background.: Kawasaki disease (KD) is widely viewed as an acute arteritis. However, our pathologic studies show that chronic coronary arteritis can persist long after disease onset and is closely linked with arterial stenosis. Transcriptome profiling of acute KD arteritis tissues revealed upregulation of T lymphocyte, type I interferon, and allograft inflammatory factor-1 (AIF1) genes. We determined whether these immune responses persist in chronic KD arteritis, and we investigated the role of AIF1 in these responses...
May 15, 2017: Journal of the Pediatric Infectious Diseases Society
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