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post interferon syndrome

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https://www.readbyqxmd.com/read/28912779/v%C3%AE-4-%C3%AE-%C3%AE-t-cells-aggravate-severe-h1n1-influenza-virus-infection-induced-acute-pulmonary-immunopathological-injury-via-secreting-interleukin-17a
#1
Chunxue Xue, Mingjie Wen, Linlin Bao, Hui Li, Fengdi Li, Meng Liu, Qi Lv, Yunqing An, Xulong Zhang, Bin Cao
The influenza A (H1N1) pdm09 virus remains a critical global health concern and causes high levels of morbidity and mortality. Severe acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are the major outcomes among severely infected patients. Our previous study found that interleukin (IL)-17A production by humans or mice infected with influenza A (H1N1) pdm09 substantially contributes to ALI and subsequent morbidity and mortality. However, the cell types responsible for IL-17A production during the early stage of severe influenza A (H1N1) pdm09 infection remained unknown...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28836962/microrna-expression-profiling-of-porcine-mammary-epithelial-cells-after-challenge-with-escherichia-coli-in-vitro
#2
A Jaeger, F Hadlich, N Kemper, A Lübke-Becker, E Muráni, K Wimmers, S Ponsuksili
BACKGROUND: Coliform mastitis is a symptom of postpartum dysgalactia syndrome (PDS), a multifactorial infectious disease of sows. Our previous study showed gene expression profile change after bacterial challenge of porcine mammary epithelial cells (PMECs). These mRNA expression changes may be regulated through microRNAs (miRNAs) which play critical roles in biological processes. Therefore, miRNA expression profile was investigated in PMECs. RESULTS: PMECs were isolated from three lactating sows and challenged with heat-inactivated potential mastitis-causing pathogen Escherichia coli (E...
August 24, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28802661/efficacy-of-isolated-limb-perfusion-ilp-in-patients-with-merkel-cell-carcinoma-mcc-a-multicenter-experience
#3
L M van Veenendaal, M F Madu, M E T Tesselaar, C Verhoef, D J Grünhagen, A C J van Akkooi
BACKGROUND: Merkel cell carcinoma (MCC) is a rare and potentially aggressive neuroendocrine tumor of the skin, with a propensity for locoregional metastases. In two expert referral centers, isolated limb perfusion (ILP) is used to obtain locoregional control in selected locoregionally advanced MCC patients. This study describes our experience. METHOD: Patients who underwent ILP for MCC were analyzed. ILP was performed with melphalan and tumor necrosis factor (TNF) combination therapy...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28766554/campylobacter-jejuni-impairs-sodium-transport-and-epithelial-barrier-function-via-cytokine-release-in-human-colon
#4
R Bücker, S M Krug, V Moos, C Bojarski, M R Schweiger, M Kerick, A Fromm, S Janßen, M Fromm, N A Hering, B Siegmund, T Schneider, C Barmeyer, J D Schulzke
Campylobacter jejuni is the most prevalent cause of foodborne bacterial enteritis worldwide. Patients present with diarrhea and immune responses lead to complications like arthritis and irritable bowel syndrome. Although studies exist in animal and cell models, we aimed at a functional and structural characterization of intestinal dysfunction and the involved regulatory mechanisms in human colon. First, in patients' colonic biopsies, sodium malabsorption was identified as an important diarrheal mechanism resulting from hampered epithelial ion transport via impaired epithelial sodium channel (ENaC) β- and γ-subunit...
August 2, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28757561/porcine-interferon-stimulated-gene-12a-restricts-porcine-reproductive-and-respiratory-syndrome-virus-replication-in-marc-145-cells
#5
Likai Ji, Xiang Zhou, Wan Liang, Jianjian Liu, Bang Liu
Porcine reproductive and respiratory syndrome virus (PRRSV) causes severe losses in the global pig industry. In the present study, we investigated the molecular characterization of porcine interferon stimulated gene 12a (ISG12A) and confirmed its anti-PRRSV ability for the first time. We found that porcine ISG12A was localized in mitochondria and significantly decreased the number of cells in G2/S phase. Porcine ISG12A mRNA was up-regulated in cells/tissues of Tongcheng (TC) pigs and Large White (LW) pigs after PRRSV challenge...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28739201/neonatal-detection-of-aicardi-gouti%C3%A3-res-syndrome-by-increased-c26-0-lysophosphatidylcholine-and-interferon-signature-on-newborn-screening-blood-spots
#6
Thais Armangue, Joseph J Orsini, Asako Takanohashi, Francesco Gavazzi, Alex Conant, Nicole Ulrick, Mark A Morrissey, Norah Nahhas, Guy Helman, Heather Gordish-Dressman, Simona Orcesi, Davide Tonduti, Chloe Stutterd, Keith van Haren, Camilo Toro, Alejandro D Iglesias, Marjo S van der Knaap, Raphaela Goldbach Mansky, Anne B Moser, Richard O Jones, Adeline Vanderver
BACKGROUND: Aicardi Goutières Syndrome (AGS) is a heritable interferonopathy associated with systemic autoinflammation causing interferon (IFN) elevation, central nervous system calcifications, leukodystrophy and severe neurologic sequelae. An infant with TREX1 mutations was recently found to have abnormal C26:0 lysophosphatidylcholine (C26:0 Lyso-PC) in a newborn screening platform for X-linked adrenoleukodystrophy, prompting analysis of this analyte in retrospectively collected samples from individuals affected by AGS...
July 20, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28721309/retinal-pigment-epithelial-cells-are-a-potential-reservoir-for-ebola-virus-in-the-human-eye
#7
Justine R Smith, Shawn Todd, Liam M Ashander, Theodosia Charitou, Yuefang Ma, Steven Yeh, Ian Crozier, Michael Z Michael, Binoy Appukuttan, Keryn A Williams, David J Lynn, Glenn A Marsh
PURPOSE: Success of Ebola virus (EBOV) as a human pathogen relates at the molecular level primarily to blockade the host cell type I interferon (IFN) antiviral response. Most individuals who survive Ebola virus disease (EVD) develop a chronic disease syndrome: approximately one-quarter of survivors suffer from uveitis, which has been associated with presence of EBOV within the eye. Clinical observations of post-Ebola uveitis indicate involvement of retinal pigment epithelial cells. METHODS: We inoculated ARPE-19 human retinal pigment epithelial cells with EBOV, and followed course of infection by immunocytochemistry and measurement of titer in culture supernatant...
July 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28689166/ocular-surface-cytokine-profile-in-chronic-stevens-johnson-syndrome-and-its-response-to-mucous-membrane-grafting-for-lid-margin-keratinisation
#8
Srividya Gurumurthy, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Narayanasamy Angayarkanni
BACKGROUND: To study the tear cytokine and the conjunctival and oral mucosal marker profile in chronic ocular Stevens-Johnson syndrome (SJS) and their alteration following mucous membrane grafting (MMG) for lid margin keratinisation (LMK). METHODS: In a 1-year prospective study, SJS cases (n=25) and age-matched/sex-matched healthy controls (n=25) were recruited. Tear specimen (Schirmer's strip), conjunctival and oral mucosal imprints were collected from controls and SJS cases pre-MMG and post-MMG (at first follow-up, n=17)...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28681506/safety-and-pharmacodynamics-of-intranasal-gsk2245035-a-tlr7-agonist-for-allergic-rhinitis-a-randomized-trial
#9
A K Ellis, D C Tsitoura, D Quint, W Powley, L A Lee
BACKGROUND: Toll-like receptor 7 (TLR7) stimulation in the airways may reduce responses to aeroallergens by induction of type 1 interferons (IFNs). GSK2245035 is a novel selective TLR7 agonist in pharmaceutical development. OBJECTIVE: Assessment of safety, pharmacodynamics and nasal allergic reactivity following repeated weekly intranasal (i.n.) GSK2245035. METHODS: This randomized, double-blind, placebo-controlled study (TL7116958) was conducted over two pollen seasons (2013-2014) and follow-up study (204509) conducted 1 year later...
July 5, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28611852/cnv-analysis-of-host-responses-to-porcine-reproductive-and-respiratory-syndrome-virus-infection
#10
El Hamidi A Hay, Igseo Choi, Lingyang Xu, Yang Zhou, Robert R R Rowland, Joan K Lunney, George E Liu
Porcine reproductive and respiratory syndrome (PRRS) is a devastating disease with a significant impact on the swine industry causing major economic losses. The objective of this study is to examine copy number variations (CNVs) associated with the group-specific host responses to PRRS virus infection. We performed a genome-wide CNV analysis using 660 animals genotyped with on the porcine SNP60 BeadChip and discovered 7097 CNVs and 271 CNV regions (CNVRs). For this study, we used two established traits related to host response to the virus, i...
2017: Journal of Genomics
https://www.readbyqxmd.com/read/28536674/anti-idiotypic-antibodies-specific-to-prm-monoantibody-prevent-antibody-dependent-enhancement-of-dengue-virus-infection
#11
Miao Wang, Fan Yang, Dana Huang, Yalan Huang, Xiaomin Zhang, Chao Wang, Shaohua Zhang, Renli Zhang
Dengue virus (DENV) co-circulates as four serotypes (DENV1-4). Primary infection only leads to self-limited dengue fever. But secondary infection with another serotype carries a higher risk of increased disease severity, causing life-threatening dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS). Serotype cross-reactive antibodies facilitate DENV infection in Fc-receptor-bearing cells by promoting virus entry via Fcγ receptors (FcγR), a process known as antibody dependent enhancement (ADE). Most studies suggested that enhancing antibodies were mainly specific to the structural premembrane protein (prM) of DENV...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28457368/eradication-of-hepatitis-c-after-liver-transplantion-consequences-for-the-organization-of-the-transplant-patient-s-follow-up
#12
G Piai, L Miglioresi, G Valente
The recurrence of the hepatitis C virus (HCV) in the liver graft has been so far the main cause of morbidity and mortality in post-transplantation patients. The treatment has significantly committed the resources of transplant hepatologists despite the poor results obtained with the past standard treatment with the use of interferon plus ribavirin. The new direct-acting antivirals (DAAs) are safe and effective even in the transplant setting, and our purpose was to check whether the eradication of HCV can make predominant other clinical problems that require different skills from those classic to hepatology...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28439892/cerebrospinal-fluid-cyto-chemokine-profile-during-acute-herpes-simplex-virus-induced-anti-n-methyl-d-aspartate-receptor-encephalitis-and-in-chronic-neurological-sequelae
#13
Kavitha Kothur, Deepak Gill, Melanie Wong, Shekeeb S Mohammad, Sushil Bandodkar, Susan Arbunckle, Louise Wienholt, Russell C Dale
AIM: To examine the cytokine/chemokine profile of cerebrospinal fluid (CSF) during acute herpes simplex virus-induced N-methyl-d-aspartate receptor (NMDAR) autoimmunity and in chronic/relapsing post-herpes simplex virus encephalitis (HSE) neurological syndromes. METHOD: We measured longitudinal serial CSF cyto-/chemokines (n=34) and a glial marker (calcium-binding astroglial protein, S100B) in one patient during acute HSE and subsequent anti-NMDAR encephalitis, and compared the results with those from two patients with anti-NMDAR encephalitis without preceding HSE...
August 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28438633/structural-insights-into-the-interaction-of-coronavirus-papain-like-proteases-and-interferon-stimulated-gene-product-15-from-different-species
#14
Courtney M Daczkowski, John V Dzimianski, Jozlyn R Clasman, Octavia Goodwin, Andrew D Mesecar, Scott D Pegan
Severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) encode multifunctional papain-like proteases (PLPs) that have the ability to process the viral polyprotein to facilitate RNA replication and antagonize the host innate immune response. The latter function involves reversing the post-translational modification of cellular proteins conjugated with either ubiquitin (Ub) or Ub-like interferon-stimulated gene product 15 (ISG15). Ub is known to be highly conserved among eukaryotes, but surprisingly, ISG15 is highly divergent among animals...
June 2, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28403874/intranasal-immunization-of-pigs-with-porcine-reproductive-and-respiratory-syndrome-virus-like-particles-plus-2-3-cgamp-vaccigrade%C3%A2-adjuvant-exacerbates-viremia-after-virus-challenge
#15
Alexandria Van Noort, April Nelsen, Angela E Pillatzki, Diego G Diel, Feng Li, Eric Nelson, Xiuqing Wang
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) causes reproductive failure in pregnant sows and acute respiratory disease in young pigs. It is a leading infectious agent of swine respiratory complex, which has significant negative economic impact on the swine industry. Commercial markets currently offer both live attenuated and killed vaccines; however, increasing controversy exists about their efficacy providing complete protection. Virus-like particles (VLPs) possess many desirable features of a potent vaccine candidate and have been proven to be highly immunogenic and protective against virus infections...
April 12, 2017: Virology Journal
https://www.readbyqxmd.com/read/28365538/co-infection-with-hiv-associated-with-reduced-vulnerability-to-symptoms-of-depression-during-antiviral-treatment-for-hepatitis-c
#16
Renata Fialho, Marco Pereira, Neil Harrison, Jennifer Rusted, Richard Whale
In this prospective study, we examined new-onset major depressive disorder (MDD) and the differential expression of depressive symptoms in a sample of 132 HCV mono-infected and 40 HIV/HCV co-infected patients initiating pegylated interferon-based treatment, including protease inhibitor therapy. The semi-structured clinical interview (SCID-I) was used to assess MDD. Severity of depressive symptoms was assessed using the Hamilton Depression Rating Scale. Of the total sample, 60 patients (34.9%) developed SCID-I defined MDD during antiviral treatment...
March 29, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28292546/novel-insights-into-host-responses-and-reproductive-pathophysiology-of-porcine-reproductive-and-respiratory-syndrome-caused-by-prrsv-2
#17
REVIEW
John C S Harding, Andrea Ladinig, Predrag Novakovic, Susan E Detmer, Jamie M Wilkinson, Tianfu Yang, Joan K Lunney, Graham S Plastow
A large challenge experiment using North American porcine reproductive and respiratory virus (PRRSV-2) provided new insights into the pathophysiology of reproductive PRRS. Deep phenotyping of dams and fetuses identified maternal and fetal predictors of PRRS severity and resilience. PRRSV infection resulted in dramatic decreases in all leukocyte subsets by 2days post inoculation. Apoptosis in the interface region was positively related to endometrial vasculitis, viral load in endometrium and fetal thymus, and odds of meconium staining...
September 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28087284/pharmacological-and-surgical-therapy-for-the-central-giant-cell-granuloma-a-long-term-retrospective-cohort-study
#18
Willem Hans Schreuder, Henk van den Berg, Anne Marie Westermann, Zachary Scott Peacock, Jan de Lange
PURPOSE: This is a retrospective cohort study of patients with a central giant cell granuloma (CGCG) treated at a single center to assess and compare the different surgical and non-surgical approaches. MATERIAL AND METHODS: A cohort with a single histologically proven non-syndrome-related CGCG was selected and reviewed. Patients were allocated to group I (surgery), group II (pharmacotherapy), and group III (pharmacotherapy and surgery). The primary outcome was long-term radiologic response using computed tomography...
December 9, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27876202/an-interferon-inducing-porcine-reproductive-and-respiratory-syndrome-virus-vaccine-candidate-elicits-protection-against-challenge-with-the-heterologous-virulent-type-2-strain-vr-2385-in-pigs
#19
Eve Fontanella, Zexu Ma, Yanjin Zhang, Alessandra M M G de Castro, Huigang Shen, Patrick G Halbur, Tanja Opriessnig
Achieving consistent protection by vaccinating pigs against porcine reproductive and respiratory syndrome virus (PRRSV) remains difficult. Recently, an interferon-inducing PRRSV vaccine candidate strain A2MC2 was demonstrated to be attenuated and induced neutralizing antibodies. The objective of this study was to determine the efficacy of passage 90 of A2MC2 (A2P90) to protect pigs against challenge with moderately virulent PRRSV strain VR-2385 (92.3% nucleic acid identity with A2MC2) and highly virulent atypical PRRSV MN184 (84...
January 3, 2017: Vaccine
https://www.readbyqxmd.com/read/27843537/retrospective-study-of-the-associations-between-hepatitis-c-virus-infection-and-metabolic-factors
#20
Shira Yair-Sabag, Elchanan Nussinson, Ofir Ben-Assuli, Fahmi Shibli, Azmi Shahbari, Shira Zelber-Sagi
AIM: To evaluate the bidirectional association between metabolic syndrome (MS) components and antiviral treatment response for chronic hepatitis C virus (HCV) infection. METHODS: This retrospective cohort study included 119 HCV + patients treated with pegylated-interferon-α and ribavirin. Metabolic characteristics and laboratory data were collected from medical records. Differences in baseline clinical and demographic risk factors between responders and non-responders were assessed using independent samples t-tests or χ(2) tests...
October 28, 2016: World Journal of Hepatology
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