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https://www.readbyqxmd.com/read/28457368/eradication-of-hepatitis-c-after-liver-transplantion-consequences-for-the-organization-of-the-transplant-patient-s-follow-up
#1
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
#2
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...
April 25, 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
#3
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...
April 21, 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
#4
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
#5
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
#6
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...
March 2, 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
#7
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
#8
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
#9
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
https://www.readbyqxmd.com/read/27765052/distinct-functional-enrichment-of-transcriptional-signatures-in-pigs-with-high-and-low-ifn-gamma-responses-after-vaccination-with-a-porcine-reproductive-and-respiratory-syndrome-virus-prrsv
#10
Tahar Ait-Ali, Ivan Díaz, Ferran Soldevila, Esmeralda Cano, Yanli Li, Alison D Wilson, Bruno Giotti, Alan L Archibald, Enric Mateu, Laila Darwich
Little is known about the host factor in the response to PRRSV vaccination. For this purpose, piglets were immunized with a commercial PRRSV-live vaccine and classified as high responders (HR) or low responders (LR) as regards to the frequencies of virus-specific IFN-γ-secreting cells. Six weeks post vaccination, PBMCs isolated from three individuals with the most extreme responses in each HR and LR groups and 3 unvaccinated controls, were either stimulated with phytohaemagglutinin, challenged with the vaccine or mock treated for 24 h, prior conducting transcriptional studies, gene ontology and pathway analyses...
October 20, 2016: Veterinary Research
https://www.readbyqxmd.com/read/27640439/recombinant-beta-interferon-could-clear-the-low-dose-infected-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-in-marc-145-cells
#11
X Shi, X Zhang, L Wang, W Li, B Jiang, R Deng, A Wang, G Zhang
Porcine reproductive and respiratory syndrome virus (PRRSV) causes one of the most economically devastating and pandemic porcine diseases. Previous study has shown that MARC-145 cells pretreated with recombinant IFN-β (rIFN-β) couldn't develop cytopathic effect (CPE) of PRRSV. However, up to date, it is not clear whether MARC-145 cells post-treated with rIFN-β could develop CPE of PRRSV. The present work showed that the MARC-145 cells didn't develop the CPE at 120 hr post-infection (p.i.) with low-dose of PRRSV when the cells were pre-treated with rIFN-β (Group 1), post-treated with rIFN-β at 4 hr p...
2016: Acta Virologica
https://www.readbyqxmd.com/read/27556483/evaluation-of-the-cross-protective-efficacy-of-a-chimeric-porcine-reproductive-and-respiratory-syndrome-virus-constructed-based-on-two-field-strains
#12
Nadeem Shabir, Amina Khatun, Salik Nazki, Bumseok Kim, Eun-Jin Choi, Dong Sun, Kyoung-Jin Yoon, Won-Il Kim
One of the major hurdles to porcine reproductive and respiratory syndrome (PRRS) vaccinology is the limited or no cross-protection conferred by current vaccines. To overcome this challenge, a PRRS chimeric virus (CV) was constructed using an FL12-based cDNA infectious clone in which open reading frames (ORFs) 3-4 and ORFs 5-6 were replaced with the two Korean field isolates K08-1054 and K07-2273,respectively. This virus was evaluated as a vaccine candidate to provide simultaneous protection against two genetically distinct PRRS virus (PRRSV) strains...
2016: Viruses
https://www.readbyqxmd.com/read/27528396/deciphering-transcriptome-profiles-of-peripheral-blood-mononuclear-cells-in-response-to-prrsv-vaccination-in-pigs
#13
Md Aminul Islam, Christine Große-Brinkhaus, Maren Julia Pröll, Muhammad Jasim Uddin, Sharmin Aqter Rony, Dawit Tesfaye, Ernst Tholen, Michael Hölker, Karl Schellander, Christiane Neuhoff
BACKGROUND: Porcine reproductive and respiratory syndrome (PRRS) is one of the most economically important viral diseases affecting swine industry worldwide. Despite routine farm vaccination, effective control strategies for PRRS remained elusive which underscores the need for in-depth studies to gain insight into the host immune response to vaccines. The current study aimed to investigate transcriptional responses to PRRS Virus (PRRSV) vaccine in the peripheral blood mononuclear cells (PBMCs) within 3 days following vaccination in German Landrace pigs...
2016: BMC Genomics
https://www.readbyqxmd.com/read/27439510/distinct-immune-responses-of-juvenile-and-adult-oysters-crassostrea-gigas-to-viral-and-bacterial-infections
#14
Timothy J Green, Agnes Vergnes, Caroline Montagnani, Julien de Lorgeril
Since 2008, massive mortality events of Pacific oysters (Crassostrea gigas) have been reported worldwide and these disease events are often associated with Ostreid herpesvirus type 1 (OsHV-1). Epidemiological field studies have also reported oyster age and other pathogens of the Vibrio genus are contributing factors to this syndrome. We undertook a controlled laboratory experiment to simultaneously investigate survival and immunological response of juvenile and adult C. gigas at different time-points post-infection with OsHV-1, Vibrio tasmaniensis LGP32 and V...
2016: Veterinary Research
https://www.readbyqxmd.com/read/27395032/2-5-oligoadenylate-synthetase-1-oas1-inhibits-prrsv-replication-in-marc-145%C3%A2-cells
#15
Jinhua Zhao, Na Feng, Zhenhong Li, Peng Wang, Ziyu Qi, Wan Liang, Xiang Zhou, Xuewen Xu, Bang Liu
Porcine reproductive and respiratory syndrome virus (PRRSV) is an economically destructive disease for global pig industry. Although its invasion mechanism is clear, the knowledge of pathogen and host interaction is less known. Here, we found that PPRSV infection led to induction of 2', 5'-oligoadenylate synthetase gene 1(OAS1), an important interferon-stimulated gene. More importantly, ectopic overexpression of OAS1 significantly restricted the replication of PRRSV in 24 and 36 h post-infection in Marc-145 cells, and indirect immunofluorescence assay with antibody against PRRSV N protein displayed significantly lower frequency of fluorescence stained cells and reduced cytopathogenic effects of PRRSV on OAS1-transfected Marc-145 cells...
August 2016: Antiviral Research
https://www.readbyqxmd.com/read/27310036/gene-expression-profile-in-tnf-receptor-associated-periodic-syndrome-reveals-constitutively-enhanced-pathways-and-new-players-in-the-underlying-inflammation
#16
Silvia Borghini, Denise Ferrera, Ignazia Prigione, Michele Fiore, Chiara Ferraris, Valentina Mirisola, Adriana Agnese Amaro, Ilaria Gueli, Luca Zammataro, Marco Gattorno, Ulrich Pfeffer, Isabella Ceccherini
OBJECTIVES: Tumour necrosis factor (TNF) receptor-associated periodic syndrome (TRAPS) is a multisystemic autoinflammatory condition associated with heterozygous TNFRSF1A mutations, presenting with a variety of clinical symptoms, many of which yet unexplained. In this work, we aimed at deepening into TRAPS pathogenic mechanisms sustained by monocytes. METHODS: Microarray experiments were conducted to identify genes whose expression results altered in patients compared to healthy individuals, both under basal condition and following LPS stimulation...
September 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27279606/complex-interplay-between-hiv-1-capsid-and-mx2-independent-alpha-interferon-induced-antiviral-factors
#17
Lorenzo Bulli, Luis Apolonia, Juliane Kutzner, Darja Pollpeter, Caroline Goujon, Nikolas Herold, Sarah-Marie Schwarz, Yannick Giernat, Oliver T Keppler, Michael H Malim, Torsten Schaller
UNLABELLED: Type I interferons (IFNs), including IFN-α, upregulate an array of IFN-stimulated genes (ISGs) and potently suppress Human immunodeficiency virus type 1 (HIV-1) infectivity in CD4(+) T cells, monocyte-derived macrophages, and dendritic cells. Recently, we and others identified ISG myxovirus resistance 2 (MX2) as an inhibitor of HIV-1 nuclear entry. However, additional antiviral blocks exist upstream of nuclear import, but the ISGs that suppress infection, e.g., prior to (or during) reverse transcription, remain to be defined...
August 15, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27272011/global-cytokine-profiles-and-association-with-clinical-characteristics-in-patients-with-irritable-bowel-syndrome
#18
Sean M P Bennet, Annikka Polster, Hans Törnblom, Stefan Isaksson, Sandrine Capronnier, Aurore Tessier, Boris Le Nevé, Magnus Simrén, Lena Öhman
OBJECTIVES: Evidence suggests that patients with irritable bowel syndrome (IBS) have an altered cytokine profile, although it is unclear whether cytokines are linked with symptom severity. We aimed to determine whether global serum and mucosal cytokine profiles differ between IBS patients and healthy subjects and whether cytokines are associated with IBS symptoms. METHODS: Serum from 144 IBS patients and 42 healthy subjects was analyzed for cytokine levels of interleukin (IL)-5, IL-6, IL-8, IL-10, IL-12p70, IL-13, IL-17A, interferon (IFN)-γ, and tumor necrosis factor (TNF) by MSD MULTI-ARRAY...
August 2016: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/27207143/genome-wide-analysis-of-the-transcriptional-response-to-porcine-reproductive-and-respiratory-syndrome-virus-infection-at-the-maternal-fetal-interface-and-in-the-fetus
#19
Jamie M Wilkinson, Hua Bao, Andrea Ladinig, Linjun Hong, Paul Stothard, Joan K Lunney, Graham S Plastow, John C S Harding
BACKGROUND: Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection of pregnant pigs can result in congenital infection and ultimately fetal death. Little is known about immune responses to infection at the maternal-fetal interface and in the fetus itself, or the molecular events behind virus transmission and disease progression in the fetus. To investigate these processes, RNA-sequencing of two sites, uterine endothelium with adherent placental tissue and fetal thymus, was performed 21 days post-challenge on four groups of fetuses selected from a large PRRSV challenge experiment of pregnant gilts: control (CON), uninfected (UNINF), infected (INF), and meconium-stained (MEC) (n = 12/group)...
2016: BMC Genomics
https://www.readbyqxmd.com/read/27093427/differences-in-whole-blood-gene-expression-associated-with-infection-time-course-and-extent-of-fetal-mortality-in-a-reproductive-model-of-type-2-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-infection
#20
Jamie M Wilkinson, Andrea Ladinig, Hua Bao, Arun Kommadath, Paul Stothard, Joan K Lunney, John C S Harding, Graham S Plastow
Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection of pregnant females causes fetal death and increased piglet mortality, but there is substantial variation in the extent of reproductive pathology between individual dams. This study used RNA-sequencing to characterize the whole blood transcriptional response to type 2 PRRSV in pregnant gilts during the first week of infection (at 0, 2, and 6 days post-inoculation), and attempted to identify gene expression signatures associated with a low or high level of fetal mortality rates (LFM and HFM; n = 8/group) at necropsy, 21 days post-inoculation...
2016: PloS One
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