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https://www.readbyqxmd.com/read/28922866/intracystic-interferon-alpha-in-pediatric-craniopharyngioma-patients-reply
#1
Kilday John-Paul, Ute Bartels
No abstract text is available yet for this article.
October 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28922862/intracystic-interferon-alpha-in-pediatric-craniopharyngioma-patients
#2
Sergio Cavalheiro
No abstract text is available yet for this article.
October 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28922786/relapse-free-survival-as-a-surrogate-for-overall-survival-in-the-evaluation-of-stage-ii-iii-melanoma-adjuvant-therapy
#3
Stefan Suciu, Alexander M M Eggermont, Paul Lorigan, John M Kirkwood, Svetomir N Markovic, Claus Garbe, David Cameron, Srividya Kotapati, Tai-Tsang Chen, Keith Wheatley, Natalie Ives, Gaetan de Schaetzen, Achmad Efendi, Marc Buyse
Background: We assessed whether relapse-free survival (RFS; time until recurrence/death) is a valid surrogate for overall survival (OS) among resected stage II-III melanoma patients through a meta-analysis of randomized controlled trials. Methods: Individual patient data (IPD) on RFS and OS were collected from 5826 patients enrolled in 11 randomized adjuvant trials comparing interferon (IFN) to observation. In addition, IPD from two studies comparing IFN and vaccination in 989 patients were included...
January 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28922426/a-dna-vaccine-for-crimean-congo-hemorrhagic-fever-protects-against-disease-and-death-in-two-lethal-mouse-models
#4
Aura R Garrison, Charles J Shoemaker, Joseph W Golden, Collin J Fitzpatrick, John J Suschak, Michelle J Richards, Catherine V Badger, Carolyn M Six, Jacqueline D Martin, Drew Hannaman, Marko Zivcec, Eric Bergeron, Jeffrey W Koehler, Connie S Schmaljohn
Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne virus capable of causing a severe hemorrhagic fever disease in humans. There are currently no licensed vaccines to prevent CCHFV-associated disease. We developed a DNA vaccine expressing the M-segment glycoprotein precursor gene of CCHFV and assessed its immunogenicity and protective efficacy in two lethal mouse models of disease: type I interferon receptor knockout (IFNAR-/-) mice; and a novel transiently immune suppressed (IS) mouse model. Vaccination of mice by muscle electroporation of the M-segment DNA vaccine elicited strong antigen-specific humoral immune responses with neutralizing titers after three vaccinations in both IFNAR-/- and IS mouse models...
September 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28922377/c-reactive-protein-upregulates-the-whole-blood-expression-of-cd59-an-integrative-analysis
#5
Kaido Lepik, Tarmo Annilo, Viktorija Kukuškina, Kai Kisand, Zoltán Kutalik, Pärt Peterson, Hedi Peterson
Elevated C-reactive protein (CRP) concentrations in the blood are associated with acute and chronic infections and inflammation. Nevertheless, the functional role of increased CRP in multiple bacterial and viral infections as well as in chronic inflammatory diseases remains unclear. Here, we studied the relationship between CRP and gene expression levels in the blood in 491 individuals from the Estonian Biobank cohort, to elucidate the role of CRP in these inflammatory mechanisms. As a result, we identified a set of 1,614 genes associated with changes in CRP levels with a high proportion of interferon-stimulated genes...
September 18, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28922104/interleukin-2-interferon-gamma-gene-polymorphisms-in-recurrent-aphthous-stomatitis
#6
Shamsolmoulouk Najafi, Hila Yousefi, Mahsa Mohammadzadeh, Alireza Zare Bidoki, Elham Farhadi, Nima Rezaei
Recurrent aphthous stomatitis (RAS) is the most common oral ulcerative inflammatory disease with unknown etiology. IL-2 and IFN-γ are secreted by Th1 cells and the elevated levels of them have been reported in RAS. Single nucleotide polymorphisms (SNPs) of IL-2 and IFN-γ genes could alter the cytokine production. The aim of this study was to investigate frequencies of IL-2 and IFN-γ alleles and genotypes in a group of patients with minor-RAS (MiRAS). PCR-SSP method used to type genomic DNA of 64 Iranian patients with MiRAS for IL-2 gene (G -330 T) and (G +166 T) and IFN-γ gene at position UTR5644 (A/T)...
2017: Prague Medical Report
https://www.readbyqxmd.com/read/28921749/functional-specific-t-cell-expansion-after-first-cytomegalovirus-reactivation-predicts-viremia-control-in-allogeneic-hematopoietic-stem-cell-transplant-recipients
#7
Miriam Ciáurriz, Lorea Beloki, Amaya Zabalza, Eva Bandrés, Cristina Mansilla, Estela Pérez-Valderrama, Mercedes Lachén, Mercedes Rodríguez-Calvillo, Natalia Ramírez, Eduardo Olavarría
BACKGROUND: The use of preemptive antiviral therapy to prevent cytomegalovirus (CMV) disease in allogeneic hematopoietic stem cell transplant (allo-HSCT) recipients might result in over-treatment, inducing drug-related toxicity and viral resistance. A search for predictive markers is needed, to determine requirement for antiviral therapy. Clinical follow-up, in combination with the use of streptamers (STs) and cytokine-intracellular staining, could help to identify patients at high risk for CMV reactivations...
September 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28921595/the-interplay-of-type-i-and-type-ii-interferons-in-murine-autoimmune-cholangitis-as-a-basis-for-sex-biased-autoimmunity
#8
Heekyong R Bae, Deborah L Hodge, Guo-Xiang Yang, Patrick S C Leung, Sathi Babu Chodisetti, Julio C Valencia, Michael Sanford, John M Fenimore, Ziaur S M Rahman, Koichi Tsuneyama, Gary L Norman, M Eric Gershwin, Howard A Young
We have reported a murine model of autoimmune cholangitis, generated by altering the AU rich element by deletion of the IFN-γ 3'UTR region (coined ARE-Del(-/-) ), that has striking similarities to human primary biliary cholangitis (PBC) with female predominance. Previously, we suggested that the gender bias of autoimmune cholangitis was secondary to intense and sustained type I and II IFN signaling. Based on this thesis, and to define the mechanisms that lead to portal inflammation, we specifically addressed the hypothesis that type I IFNs are the driver of this disease...
September 16, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28921552/immunomodulatory-effect-of-cryopreserved-platelets-altered-bdca3-dendritic-cell-maturation-and-activation-in-vitro
#9
Katrina K Ki, Lacey Johnson, Helen M Faddy, Robert L Flower, Denese C Marks, Melinda M Dean
BACKGROUND: Cryopreservation of platelets (PLTs) is useful in remote areas to overcome logistic problems associated with supply and can extend the shelf life to 2 years. During cryopreservation, properties of PLTs are modified. Whether changes in the cryopreserved PLT (CPP) product are associated with modulation of recipients' immune function is unknown. We aimed to characterize the immune profile of myeloid dendritic cells (mDCs) and the specialized blood DC antigen (BDCA)3(+) subset after exposure to CPPs...
September 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28921473/the-development-and-diversity-of-ilcs-nk-cells-and-their-relevance-in-health-and-diseases
#10
Yuxia Zhang, Bing Huang
Next to T and B cells, natural killer (NK) cells are the third largest lymphocyte population. They are recently re-categorized as innate lymphocytes (ILCs), which also include ILC1, ILC2, ILC3, and the lymphoid tissue inducer (LTi) cells. Both NK cells and ILC1 cells are designated as group 1 ILCs because they secrete interferon-γ (IFN-γ) and tumor necrosis factor (TNF). However, in contrast to ILC1 and all other ILCs, NK cells possess potent cytolytic functions that resemble cytotoxic T lymphocytes (CTL)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28921470/cgas-sting-activation-in-the-tumor-microenvironment-and-its-role-in-cancer-immunity
#11
Geneviève Pépin, Michael P Gantier
Stimulator of interferon (IFN) genes (STING) is a key mediator in the immune response to cytoplasmic DNA sensed by cyclic GMP-AMP (cGAMP) synthase (cGAS). After synthesis by cGAS, cGAMP acts as a second messenger activating STING in the cell harboring cytoplasmic DNA but also in adjacent cells through gap junction transfer. While the role of the cGAS-STING pathway in pathogen detection is now well established, its importance in cancer immunity has only recently started to emerge. Nonetheless, STING appears to be an essential component in the recruitment of immune cells to the tumor microenvironment, which is paramount to immune clearance of the tumor...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28921466/roles-of-hdacs-in-the-responses-of-innate-immune-cells-and-as-targets-in-inflammatory-diseases
#12
Yiqun Hu, Bandar Ali Suliman
Histone deacetylases (HDACs) are an emerging class of molecules involved in the epigenetic regulation of innate immune responses through Toll-like receptor (TLR) and interferon (IFN) signaling pathways. HDACs are also key drivers of inflammatory diseases via epigenetic regulation through chromatin DNA and histone modification by methylation and acetylation, among other mechanisms, which control innate immune cell gene expression. Importantly, these epigenetic changes are reversible, and HDACs may also be targeted by small-molecule HDAC inhibitors, which have been used in clinical settings for cancer therapy...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28920951/srebp-controlled-glucose-metabolism-is-essential-for-nk-cell-functional-responses
#13
Nadine Assmann, Katie L O'Brien, Raymond P Donnelly, Lydia Dyck, Vanessa Zaiatz-Bittencourt, Róisín M Loftus, Paul Heinrich, Peter J Oefner, Lydia Lynch, Clair M Gardiner, Katja Dettmer, David K Finlay
Activated natural killer (NK) cells engage in a robust metabolic response that is required for normal effector function. Using genetic, pharmacological and metabolic analyses, we demonstrated an essential role for Srebp transcription factors in cytokine-induced metabolic reprogramming of NK cells that was independent of their conventional role in the control of lipid synthesis. Srebp was required for elevated glycolysis and oxidative phosphorylation and promoted a distinct metabolic pathway configuration in which glucose was metabolized to cytosolic citrate via the citrate-malate shuttle...
September 18, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28920105/the-impact-of-von-willebrand-factor-on-factor-viii-memory-immune-responses
#14
Juan Chen, Jocelyn A Schroeder, Xiaofeng Luo, Qizhen Shi
Immune tolerance induction (ITI) with aggressive infusion of factor VIII (FVIII) is the current strategy used to eradicate FVIII inhibitors and restore normal FVIII pharmacokinetics in inhibitor patients. Whether the use of FVIII products containing von Willebrand factor (VWF) will affect the efficacy of ITI is still controversial. In this study, we explored the impact of VWF on FVIII memory immune responses in hemophilia A (HA) mice. A T-cell proliferation assay and cytokine profile analysis were used to study FVIII-primed CD4(+) T cells...
August 22, 2017: Blood Advances
https://www.readbyqxmd.com/read/28919791/pegylated-interferon-plus-ribavirin-treatment-does-not-alter-the-prevalence-of-resistance-associated-substitutions-to-direct-acting-antivirals-in-hcv-genotype-1a-patients
#15
Zhi-Wei Chen, Xi-Chen Pang, Zhao Li, Hong Ren, Peng Hu
BACKGROUND: Direct-acting antiviral (DAA) resistance-associated substitutions (RASs) can jeopardize the effectiveness of DAAs in patients with hepatitis C virus (HCV). The selection pressure by pegylated-interferon (Peg-IFN) plus ribavirin (P/R) treatment may enhance HCV genome variation. However, whether P/R treatment alters the rate of change of RASs is still unclear. MATERIALS AND METHODS: We retrieved the genomic sequences of HCV genotype (GT) 1a patients from GenBank, which included patients naïve to P/R (pre-IFN group) and those previously treated with P/R (post-IFN group)...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28919775/investigation-of-proliferation-and-migration-of-tongue-squamous-cell-carcinoma-promoted-by-three-chemokines-mip-3%C3%AE-mip-1%C3%AE-and-ip-10
#16
Hongxing Chu, Bo Jia, Xiaoling Qiu, Jie Pan, Xiang Sun, Zhiping Wang, Jianjiang Zhao
The aim of this work was to investigate the role of chemokines in proliferation and migration of tongue squamous cell carcinoma (TSCC). Out of the 80 cytokines surveyed by a human cytokine antibody array, three chemokines, macrophage inflammatory protein-3α (MIP-3α), macrophage inflammatory protein-1β (MIP-1β), and interferon gamma-induced protein 10 (IP-10), showed elevated expression in TSCC cells (CAL-27 and UM-1), compared to the oral mucosal epithelial cells. Immunohistochemistry confirmed the high level of expression of MIP-3α in the TSCC tissues, especially in the high clinical stages...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919584/reduced-ifn-%C3%AE-production-in-chronic-brucellosis-patients
#17
Ehsanollah Ghaznavi Rad, Khadijeh Khosravi, Nader Zarinfar, Ghasem Mosayebi
BACKGROUND: Brucella is a well-known intracellular bacterium entailing acute and chronic illnesses in humans and domestic animals. The infection chronicity may be affected by the cell-mediated immunity and cytokine patterns. OBJECTIVE: To evaluate the patterns of T-helper cytokines in patients suffering from chronic and acute brucellosis. METHODS: In this cross-sectional study, 22 individuals with acute brucellosis, 21 individuals with chronic brucellosis, and 21 healthy individuals with the same genetic background were recruited from October 2015 to April 2016...
September 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28919446/increased-interferon-mediated-immunity-following-in-vitro-and-in-vivo-modafinil-treatment-on-peripheral-immune-cells
#18
Adriano Zager, Wesley Nogueira Brandão, Rafael Oliveira Margatho, Daniel Sanzio Gimenes Cruz, Jean Pierre Peron, Sergio Tufik, Monica Levy Andersen, Monica Moresco, Fabio Pizza, Giuseppe Plazzi, Birgitte Rahbek Kornum, João Palermo-Neto
The wake-promoting drug Modafinil has been used for treatment of sleep disorders, such as Narcolepsy, excessive daytime sleepiness and sleep apnea, due to its stimulant action. Despite the known effect of Modafinil on brain neurochemistry, particularly on brain dopamine system, recent evidence support an immunomodulatory role for Modafinil treatment in neuroinflammatory models. Here, we aimed to study the effects of in vitro and in vivo Modafinil treatment on activation, proliferation, cell viability, and cytokine production by immune cells in splenocytes culture from mice...
September 15, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28919255/sumo-proteins-guardians-of-immune-system
#19
REVIEW
Sabrina Adorisio, Alessandra Fierabracci, Isabella Muscari, Anna Marina Liberati, Emira Ayroldi, Graziella Migliorati, Trinh Thi Thuy, Carlo Riccardi, Domenico V Delfino
Small ubiquitin-like modifier (SUMO) proteins belong to the ubiquitin-like family and act to change the function of target proteins through post-translational modifications. Through their interactions with innate immune pathways, SUMOs promote an efficient immune response to pathogenic challenge avoiding, at the same time, an excess of immune response that could lead to the development of autoimmune diseases. This report discusses the general functions of SUMO proteins; highlights SUMO involvement in the innate immune response through their role in NF-κB and interferon pathways; the involvement of SUMO proteins in autoimmune diseases; and reviews bacterial, viral, and parasitic interactions with SUMO pathways...
September 14, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28918754/macrophage-activation-like-syndrome-an-immunological-entity-associated-with-rapid-progression-to-death-in-sepsis
#20
Evdoxia Kyriazopoulou, Konstantinos Leventogiannis, Anna Norrby-Teglund, Georgios Dimopoulos, Aikaterini Pantazi, Stylianos E Orfanos, Nikoletta Rovina, Iraklis Tsangaris, Theologia Gkavogianni, Elektra Botsa, Eleftheria Chassiou, Anastasia Kotanidou, Christina Kontouli, Panagiotis Chaloulis, Dimitrios Velissaris, Athina Savva, Jonas-Sundén Cullberg, Karolina Akinosoglou, Charalambos Gogos, Apostolos Armaganidis, Evangelos J Giamarellos-Bourboulis
BACKGROUND: A subanalysis of a randomized clinical trial indicated sepsis survival benefit from interleukin (IL)-1 blockade in patients with features of the macrophage activation-like syndrome (MALS). This study aimed to investigate the frequency of MALS and to develop a biomarker of diagnosis and prognosis. METHODS: Patients with infections and systemic inflammatory response syndrome were assigned to one test cohort (n = 3417) and a validation cohort (n = 1704)...
September 18, 2017: BMC Medicine
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