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Type 3 Interferon

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https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#1
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28425451/ifn%C3%AE-protects-neurons-from-damage-in-a-murine-model-of-hiv-1-associated-brain-injury
#2
Victoria E Thaney, Alan M O'Neill, Melanie M Hoefer, Ricky Maung, Ana B Sanchez, Marcus Kaul
Infection with human immunodeficiency virus-1 (HIV-1) causes brain injury. Type I interferons (IFNα/β) are critical mediators of any anti-viral immune response and IFNβ has been implicated in the temporary control of lentiviral infection in the brain. Here we show that transgenic mice expressing HIV-1 envelope glycoprotein 120 in their central nervous system (HIVgp120tg) mount a transient IFNβ response and provide evidence that IFNβ confers neuronal protection against HIVgp120 toxicity. In cerebrocortical cell cultures, neuroprotection by IFNβ against gp120 toxicity is dependent on IFNα receptor 1 (IFNAR1) and the β-chemokine CCL4, as IFNAR1 deficiency and neutralizing antibodies against CCL4, respectively, abolish the neuroprotective effects...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424327/rig-i-mavs-and-sting-signaling-promote-gut-integrity-during-irradiation-and-immune-mediated-tissue-injury
#3
Julius C Fischer, Michael Bscheider, Gabriel Eisenkolb, Chia-Ching Lin, Alexander Wintges, Vera Otten, Caroline A Lindemans, Simon Heidegger, Martina Rudelius, Sébastien Monette, Kori A Porosnicu Rodriguez, Marco Calafiore, Sophie Liebermann, Chen Liu, Stefan Lienenklaus, Siegfried Weiss, Ulrich Kalinke, Jürgen Ruland, Christian Peschel, Yusuke Shono, Melissa Docampo, Enrico Velardi, Robert R Jenq, Alan M Hanash, Jarrod A Dudakov, Tobias Haas, Marcel R M van den Brink, Hendrik Poeck
The molecular pathways that regulate the tissue repair function of type I interferon (IFN-I) during acute tissue damage are poorly understood. We describe a protective role for IFN-I and the RIG-I/MAVS signaling pathway during acute tissue damage in mice. Mice lacking mitochondrial antiviral-signaling protein (MAVS) were more sensitive to total body irradiation- and chemotherapy-induced intestinal barrier damage. These mice developed worse graft-versus-host disease (GVHD) in a preclinical model of allogeneic hematopoietic stem cell transplantation (allo-HSCT) than did wild-type mice...
April 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28420393/medical-treatment-of-mammary-desmoid-type-fibromatosis-which-benefit
#4
Louise Scheer, Massimo Lodi, Sébastien Molière, Jean-Emmanuel Kurtz, Carole Mathelin
BACKGROUND: Breast fibromatosis is a rare disease characterized by monoclonal fibroblast proliferation. It has no ability to metastasize but has a high local recurrence rate and often infiltrates surrounding tissues. Surgical treatment is the reference, but recently, new targeted therapies have emerged. We report an original case of a patient with breast fibromatosis who received exclusive medical treatment. Our aim was to analyze these treatments based on the clinical and radiological outcome, iatrogenic effects, and pharmacological action...
April 18, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28414768/gpatch3-negatively-regulates-rlr-mediated-innate-antiviral-responses-by-disrupting-the-assembly-of-visa-signalosome
#5
Ying Nie, Yong Ran, Hong-Yan Zhang, Zhe-Fu Huang, Zhao-Yi Pan, Su-Yun Wang, Yan-Yi Wang
Upon viral infection, retinoic acid-inducible gene I-like receptors (RLRs) recognize viral RNA and trigger a series of signaling events, leading to the induction of type I interferons (IFNs). These processes are delicately regulated to prevent excessive and harmful immune responses. In this study, we identified G patch domain-containing protein 3 (GPATCH3) as a negative regulator of RLR-mediated antiviral signaling pathways. Overexpression of GPATCH3 impaired RNA virus- triggered induction of downstream antiviral genes, whereas its knockdown had opposite effects and attenuated viral replication...
April 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28413316/ginsenoside-rc-from-panax-ginseng-exerts-anti-inflammatory-activity-by-targeting-tank-binding-kinase-1-interferon-regulatory-factor-3-and-p38-atf-2
#6
Tao Yu, Yanyan Yang, Yi-Seong Kwak, Gwan Gyu Song, Mi-Yeon Kim, Man Hee Rhee, Jae Youl Cho
BACKGROUND: Ginsenoside Rc (G-Rc) is one of the major protopanaxadiol-type saponins isolated from Panax ginseng, a well-known medicinal herb with many beneficial properties including anticancer, anti-inflammatory, antiobesity, and antidiabetic effects. In this study, we investigated the effects of G-Rc on inflammatory responses in vitro and examined the mechanisms of these effects. METHODS: The in vitro inflammation system used lipopolysaccharide-treated macrophages, tumor necrosis factor-α/interferon-γ-treated synovial cells, and HEK293 cells transfected with various inducers of inflammation...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28413215/successful-withdrawal-of-insulin-therapy-after-post-treatment-clearance-of-hepatitis-c-virus-in-a-man-with-type-2-diabetes
#7
Timothy M E Davis, Wendy A Davis, Gary Jeffrey
BACKGROUND Chronic hepatitis C virus (HCV) infection is associated with increased insulin resistance and risk of type 2 diabetes. Successful antiviral treatment can improve insulin resistance and allow a reduction in blood glucose-lowering treatment. There have been case reports of a reduced insulin requirement in this situation, although 1 case in which insulin was stopped exhibited a subsequent deterioration in glycemic control. CASE REPORT A 55-year-old Italian man was diagnosed with HCV infection in 2000 at the age of 39 years and with type 2 diabetes 6 years later...
April 17, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28409399/pro-apoptotic-signaling-induced-by-retinoic-acid-and-dsrna-is-under-the-control-of-interferon-regulatory-factor-3-in-breast-cancer-cells
#8
Ana R Bernardo, José M Cosgaya, Ana Aranda, Ana M Jiménez-Lara
Breast cancer is one of the most lethal malignancies for women. Retinoic acid (RA) and double-stranded RNA (dsRNA) are considered signaling molecules with potential anticancer activity. RA, co-administered with the dsRNA mimic polyinosinic-polycytidylic acid (poly(I:C)), synergizes to induce a TRAIL (Tumor-Necrosis-Factor Related Apoptosis-Inducing Ligand)- dependent apoptotic program in breast cancer cells. Here, we report that RA/poly(I:C) co-treatment, synergically, induce the activation of Interferon Regulatory Factor-3 (IRF3) in breast cancer cells...
April 13, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28407488/the-matrix-protein-of-human-parainfluenza-virus-type-3-induces-mitophagy-that-suppresses-interferon-responses
#9
Binbin Ding, Linliang Zhang, Zhifei Li, Yi Zhong, Qiaopeng Tang, Yali Qin, Mingzhou Chen
Mitophagy is a form of autophagy that selectively removes damaged mitochondria. Impaired mitochondria can be tagged by the kinase PINK1, which triggers recruitment of the E3-ubiquitin ligase Parkin and subsequent mitochondrial sequestration within autophagosomes. We previously found that human parainfluenza virus type 3 (HPIV3) infection induces autophagy, but the type and mechanisms of autophagy induction remain unknown. Here, we show that matrix protein (M) of HPIV3 translocates to mitochondria and interacts with Tu translation elongation factor mitochondrial (TUFM)...
April 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28404135/incidence-risk-factors-and-prevention-of-hepatitis-c-reinfection-a-population-based-cohort-study
#10
Nazrul Islam, Mel Krajden, Jean Shoveller, Paul Gustafson, Mark Gilbert, Jane A Buxton, Jason Wong, Mark W Tyndall, Naveed Zafar Janjua
BACKGROUND: People remain at risk of reinfection with hepatitis C virus (HCV), even after clearance of the primary infection. We identified factors associated with HCV reinfection risk in a large population-based cohort study in British Columbia, Canada, and examined the association of opioid substitution therapy and mental health counselling with reinfection. METHODS: We obtained data from the British Columbia Hepatitis Testers Cohort, which includes all individuals tested for HCV or HIV at the British Columbia Centre for Disease Control Public Health Laboratory during 1990-2013 (when data were available)...
March 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404108/ombitasvir-paritaprevir-and-ritonavir-plus-ribavirin-in-adults-with-hepatitis-c-virus-genotype-4-infection-and-cirrhosis-agate-i-a-multicentre-phase-3-randomised-open-label-trial
#11
Tarik Asselah, Christophe Hézode, Roula B Qaqish, Magdy ElKhashab, Tarek Hassanein, George Papatheodoridis, Jordan J Feld, Christophe Moreno, Stefan Zeuzem, Peter Ferenci, Yao Yu, Rebecca Redman, Tami Pilot-Matias, Niloufar Mobashery
BACKGROUND: Hepatitis C virus (HCV) genotype 4 infection is most commonly reported in sub-Saharan Africa and the Middle East; however, prevalence is increasing worldwide through immigration. HCV genotype 4 accounts for 20% of all infections, but clinical trial data for treatment remain limited. We assessed the combination of two direct-acting antivirals, ombitasvir (NS5A inhibitor) and paritaprevir (NS3/4A protease inhibitor; co-dosed with ritonavir) plus ribavirin in patients with HCV genotype 4 infection and compensated cirrhosis...
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28401852/t-helper-type-1-t-helper-type-2-shift-and-nasal-remodeling-after-fine-particulate-matter-exposure-in-a-rat-model-of-allergic-rhinitis
#12
Zhi-Qiang Guo, Wei-Yang Dong, Jian Xu, Zhi-Cong Hong, Ren-Wu Zhao, Cong-Rui Deng, Guo-Shun Zhuang, Ru-Xin Zhang
BACKGROUND: Exposure to fine particulate matter (particulate matter less than or equal to 2.5 mg [PM2.5]) increases therisk of allergic rhinitis (AR), but the underlying mechanisms remains unclear. Thus, we investigated the roles of T-helper (Th)1-Th2 cytokines and nasal remodeling after ambient PM2.5 exposure in a rat model of AR. METHODS: Female Sprague-Dawley rats were randomized into six groups: a negative control group, a group of healthy rats exposed to 3000 mg/m3 PM2...
April 11, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28398495/a-histological-study-of-fulminant-type-1-diabetes-mellitus-related-to-human-cytomegalovirus-reactivation
#13
Sho Yoneda, Akihisa Imagawa, Kenji Fukui, Sae Uno, Junji Kozawa, Makoto Sakai, Toshiki Yumioka, Hiromi Iwahashi, Iichiro Shimomura
Context: Fulminant type 1 diabetes mellitus (T1DM) is thought to be partly caused by virus infection. Objective: This study investigated the mechanism of β cell destruction in fulminant T1DM after drug-induced hypersensitivity syndrome (DIHS). Methods: We determined the localization of viruses of human cytomegalovirus (HCMV), human herpesvirus 6 (HHV-6) and Epstein-Barr virus (EBV), and the expression of interferon regulatory factor 3 (IRF3) and viral receptors of Z DNA binding protein 1 (ZBP1) and retinoic acid-inducible gene I (RIG-I), together with inflammatory cells by immunohistochemistry of pancreas from an autopsy fulminant T1DM patient with DIHS or seven subjects with normal glucose tolerance who underwent pancreatectomy...
April 10, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28392642/the-contributory-roles-of-th17-lymphocyte-and-cytotoxic-t-lymphocyte-at-the-hair-bulge-region-as-well-as-the-hair-bulb-area-in-the-chronic-alopecia-areata-patients
#14
Jin-Woo Hong, Chae-Young Lee, Seung-Min Ha, Seung-Hwan Choi, Tae-Hoon Kim, Ki-Hoon Song, Ki-Ho Kim
BACKGROUND: Alopecia areata (AA) is a T cell-mediated autoimmune disease that targets hair follicles and interrupts hair regrowth. The microenvironment of the effector T cells and their related cytokines may affect immunopathogenesis around the hair bulb/bulge. OBJECTIVE: To determine the contributory roles of the effector T cell subsets and related cytokines to the pathogenesis of AA. METHODS: We investigated the correlation between histopathological grades and four clinical prognostic factors in 331 patients with AA, and analyzed the topography of T cell infiltrates and related cytokines around the hair bulb/bulge according to histopathological grades through immunohistochemical and double immunofluorescence studies on a subset of AA specimens...
April 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28391724/usp19-suppresses-cellular-type-i-interferon-signaling-by-targeting-traf3-for-deubiquitination
#15
Zhiwen Gu, Weifeng Shi, Li Zhang, Zhilin Hu, Chao Xu
AIM: To investigate host factors that mediate the immune escape of enterovirus 71 (EV71) in the context of deubiquitinating enzymes. MATERIALS & METHODS: Utilize PCR array to screen candidate genes that may be involved in EV71-induced cellular antiviral immune responses, and utilize protein mass spectrometry analysis to identify the functional targets of the candidate regulator. RESULTS: EV71 infection induces the upregulation of ubiquitin-specific protease 19 (USP19) gene expression, which negatively regulates cellular antiviral type I interferon signaling...
April 10, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28383628/interferon-%C3%AE-induced-protein-10-in-lyme-disease
#16
P Fallahi, G Elia, A Bonatti
Lyme disease is an infectious disease caused by bacteria of the Borrelia type, that affects about 300,000 people a year in the USA and 65,000 people a year in Europe. Borrelia infection, and Lyme disease, following occupational exposure has been frequently reported in USA, Europe and Asia. The manifestations of Lyme disease include erythema migrans (EM), arthritis, neuroborrelliosis (NB), and others. Cytokines and chemokines primarily orchestrate leukocyte recruitment to the areas of Borrelia infection, and they are critical mediators of immune and inflammatory responses, in particular of the induction of interferon (IFN)-γ and IFN-γ dependent chemokines...
March 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28383627/hypersensitivity-pneumonitis-and-alpha-chemokines
#17
F Limongi, P Fallahi
Hypersensitivity pneumonitis (HP) is categorized as a Type-1 helper (Th1) disease. The resulting granuloma formation is dependent on T cells and the Th1 cytokine interferon (IFN)-γ. In experimental setting, the production of IFN-γ-induced protein 10 (IP-10), monokine induced by IFN-γ (MIG), IFN-inducible T-cell-alpha chemoattractant (I-TAC), has been shown (in mice exposed to the particulate antigens that cause HP) during the development of HP. The production of these chemokines was associated with an influx of chemokine (C-X-C motif) receptor (CXCR)3 CXCR3(+)/CD4(+) T cells into lungs...
March 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28374837/effect-of-vitamin-d-replacement-on-cognition-in-multiple-sclerosis-patients
#18
Hala Darwish, Ribal Haddad, Sahar Osman, Stephanie Ghassan, Bassem Yamout, Hani Tamim, Samia Khoury
Multiple Sclerosis is associated with deficient serum 25 hydroxyvitamin D (25 (OH)D) level and cognitive impairment. The aim of this study is to evaluate cognitive performance in MS patients with deficient 25 (OH)D (<25 ng/ml) compared to patients with sufficient levels (>35 ng/ml), then to evaluate the change in cognitive performance after 3 months of vitamin D3 oral replacement. Eighty-eight MS patients with relapsing remitting and clinically isolated type of MS, older than 18 years treated with interferon beta were enrolled...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28373098/a-comprehensive-evaluation-of-nasal-and-bronchial-cytokines-and-chemokines-following-experimental-rhinovirus-infection-in-allergic-asthma-increased-interferons-ifn-%C3%AE-and-ifn-%C3%AE-and-type-2-inflammation-il-5-and-il-13
#19
Trevor T Hansel, Tanushree Tunstall, Maria-Belen Trujillo-Torralbo, Betty Shamji, Ajerico Del-Rosario, Jaideep Dhariwal, Paul D W Kirk, Michael P H Stumpf, Jens Koopmann, Aurica Telcian, Julia Aniscenko, Leila Gogsadze, Eteri Bakhsoliani, Luminita Stanciu, Nathan Bartlett, Michael Edwards, Ross Walton, Patrick Mallia, Toby M Hunt, Trevor L Hunt, Duncan G Hunt, John Westwick, Matthew Edwards, Onn Min Kon, David J Jackson, Sebastian L Johnston
BACKGROUND: Rhinovirus infection is a major cause of asthma exacerbations. OBJECTIVES: We studied nasal and bronchial mucosal inflammatory responses during experimental rhinovirus-induced asthma exacerbations. METHODS: We used nasosorption on days 0, 2-5 and 7 and bronchosorption at baseline and day 4 to sample mucosal lining fluid to investigate airway mucosal responses to rhinovirus infection in patients with allergic asthma (n=28) and healthy non-atopic controls (n=11), by using a synthetic absorptive matrix and measuring levels of 34 cytokines and chemokines using a sensitive multiplex assay...
March 28, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28369146/epstein-barr-virus-infection-induced-inflammasome-activation-in-human-monocytes
#20
Yuka Torii, Jun-Ichi Kawada, Takayuki Murata, Hironori Yoshiyama, Hiroshi Kimura, Yoshinori Ito
Inflammasomes are cytoplasmic sensors that regulate the activity of caspase-1 and the secretion of interleukin-1β (IL-1β) or interleukin-18 (IL-18) in response to foreign molecules, including viral pathogens. They are considered to be an important link between the innate and adaptive immune responses. However, the mechanism by which inflammasome activation occurs during primary Epstein-Barr virus (EBV) infection remains unknown. Human B lymphocytes and epithelial cells are major targets of EBV, although it can also infect a variety of other cell types...
2017: PloS One
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