keyword
MENU ▼
Read by QxMD icon Read
search

IRG

keyword
https://www.readbyqxmd.com/read/28827704/transcriptional-dysregulation-of-interferome-in-experimental-and-human-multiple-sclerosis
#1
Sundararajan Srinivasan, Martina Severa, Fabiana Rizzo, Ramesh Menon, Elena Brini, Rosella Mechelli, Vittorio Martinelli, Paul Hertzog, Marco Salvetti, Roberto Furlan, Gianvito Martino, Giancarlo Comi, Eliana Coccia, Cinthia Farina
Recent evidence indicates that single multiple sclerosis (MS) susceptibility genes involved in interferon (IFN) signaling display altered transcript levels in peripheral blood of untreated MS subjects, suggesting that responsiveness to endogenous IFN is dysregulated during neuroinflammation. To prove this hypothesis we exploited the systematic collection of IFN regulated genes (IRG) provided by the Interferome database and mapped Interferome changes in experimental and human MS. Indeed, central nervous system tissue and encephalitogenic CD4 T cells during experimental autoimmune encephalomyelitis were characterized by massive changes in Interferome transcription...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28793350/ifnar2-dependent-gene-expression-profile-induced-by-ifn-%C3%AE-in-pteropus-alecto-bat-cells-and-impact-of-ifnar2-knockout-on-virus-infection
#2
Qian Zhang, Lei-Ping Zeng, Peng Zhou, Aaron T Irving, Shang Li, Zheng-Li Shi, Lin-Fa Wang
Bats are important reservoirs of many viruses, which are capable of infecting the host without inducing obvious clinical diseases. Interferon and the downstream interferon regulated genes (IRGs) are known to act as the first line of defense against viral infections. Little is known about the transcriptional profile of genes being induced by interferon in bats and their role in controlling virus infection. In this study, we constructed IFNAR2 knockout bat cell lines using CRISPR technology and further characterized gene expression profiles induced by the most abundant IFN-α (IFN-α3)...
2017: PloS One
https://www.readbyqxmd.com/read/28680086/host-age-and-expression-of-genes-involved-in-red-blood-cell-invasion-in-plasmodium-falciparum-field-isolates
#3
Aida Valmaseda, Quique Bassat, Pedro Aide, Pau Cisteró, Alfons Jiménez, Aina Casellas, Sonia Machevo, Ruth Aguilar, Betuel Sigaúque, Virander S Chauhan, Christine Langer, James Beeson, Chetan Chitnis, Pedro L Alonso, Deepak Gaur, Alfredo Mayor
Plasmodium falciparum proteins involved in erythrocyte invasion are main targets of acquired immunity and important vaccine candidates. We hypothesized that anti-parasite immunity acquired upon exposure would limit invasion-related gene (IRG) expression and affect the clinical impact of the infection. 11 IRG transcript levels were measured in P. falciparum isolates by RT-PCR, and IgG/IgM against invasion ligands by Luminex®, in 50 Mozambican adults, 25 children with severe malaria (SM) and 25 with uncomplicated malaria (UM)...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28669671/viral-replication-complexes-are-targeted-by-lc3-guided-interferon-inducible-gtpases
#4
Scott B Biering, Jayoung Choi, Rachel A Halstrom, Hailey M Brown, Wandy L Beatty, Sanghyun Lee, Broc T McCune, Erin Dominici, Lelia E Williams, Robert C Orchard, Craig B Wilen, Masahiro Yamamoto, Jörn Coers, Gregory A Taylor, Seungmin Hwang
All viruses with positive-sense RNA genomes replicate on membranous structures in the cytoplasm called replication complexes (RCs). RCs provide an advantageous microenvironment for viral replication, but it is unknown how the host immune system counteracts these structures. Here we show that interferon-gamma (IFNG) disrupts the RC of murine norovirus (MNV) via evolutionarily conserved autophagy proteins and the induction of IFN-inducible GTPases, which are known to destroy the membrane of vacuoles containing bacteria, protists, or fungi...
July 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28595977/factors-influencing-time-between-onset-of-signs-symptoms-and-referral-for-dementia-in-elderly-outpatients
#5
P Koskas, C Pons-Peyneau, N Houenou-Quenum, M Romdhani, M Gasmi, S Galleron, O Drunat
BACKGROUND: The few studies that have focused on Time between Onset of Signs and Symptoms and Referral (TOSR) for dementia to a memory center suggest a substantial delay of 1-3 years. This delay has a negative impact on both patients' and their caregivers' quality of life. OBJECTIVE: This study aimed to evaluate this delay and the factors associated with it in a cohort of community-dwelling elderly people attending a memory clinic, as well as assess the impact of the Third French National Alzheimer Plan (2008-2012)...
June 5, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28363827/a-multi-parameter-response-prediction-model-for-rituximab-in-rheumatoid-arthritis
#6
Tamarah D de Jong, Jérémie Sellam, Rabia Agca, Saskia Vosslamber, Birgit I Witte, Michel Tsang-A-Sjoe, Elise Mantel, Johannes W Bijlsma, Alexandre E Voskuyl, Mike T Nurmohamed, Cornelis L Verweij, Xavier Mariette
OBJECTIVES: To validate the IFN response gene (IRG) set for the prediction of non-response to rituximab in rheumatoid arthritis (RA) and assess the predictive performance upon combination of this gene set with clinical parameters. METHODS: In two independent cohorts of 93 (Cohort I) and 133 (Cohort II) rituximab-starting RA patients, baseline peripheral blood expression of eight IRGs was determined, and averaged into an IFN score. Predictive performance of IFN score and clinical parameters was assessed by logistic regression...
March 28, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28351377/tissue-and-time-specific-expression-pattern-of-interferon-regulated-genes-in-the-chicken
#7
Susanne Röll, Stefan Härtle, Thomas Lütteke, Bernd Kaspers, Sonja Härtle
BACKGROUND: Type I interferons are major players against viral infections and mediate their function by the induction of Interferon regulated genes (IRGs). Recently, it became obvious that these cytokines have a multitude of additional functions. Due to the unique features of the chickens' immune system, available data from mouse models are not easily transferable; hence we performed an extensive analysis of chicken IRGs. RESULTS: A broad database search for homologues to described mammalian IRGs (common IRGs, cIRGs) was combined with a transcriptome analysis of spleen and lung at different time points after application of IFNα...
March 28, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28270217/dcytb-is-a-predictor-of-outcome-in-breast-cancer-that-functions-via-iron-independent-mechanisms
#8
David J Lemler, Miranda L Lynch, Lia Tesfay, Zhiyong Deng, Bibbin T Paul, Xiaohong Wang, Poornima Hegde, David H Manz, Suzy V Torti, Frank M Torti
BACKGROUND: Duodenal cytochrome b (DCYTB) is a ferrireductase that functions together with divalent metal transporter 1 (DMT1) to mediate dietary iron reduction and uptake in the duodenum. DCYTB is also a member of a 16-gene iron regulatory gene signature (IRGS) that predicts metastasis-free survival in breast cancer patients. To better understand the relationship between DCYTB and breast cancer, we explored in detail the prognostic significance and molecular function of DCYTB in breast cancer...
March 7, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28207896/rna-seq-analysis-of-chikungunya-virus-infection-and-identification-of-granzyme-a-as-a-major-promoter-of-arthritic-inflammation
#9
Jane A C Wilson, Natalie A Prow, Wayne A Schroder, Jonathan J Ellis, Helen E Cumming, Linden J Gearing, Yee Suan Poo, Adam Taylor, Paul J Hertzog, Francesca Di Giallonardo, Linda Hueston, Roger Le Grand, Bing Tang, Thuy T Le, Joy Gardner, Suresh Mahalingam, Pierre Roques, Phillip I Bird, Andreas Suhrbier
Chikungunya virus (CHIKV) is an arthritogenic alphavirus causing epidemics of acute and chronic arthritic disease. Herein we describe a comprehensive RNA-Seq analysis of feet and lymph nodes at peak viraemia (day 2 post infection), acute arthritis (day 7) and chronic disease (day 30) in the CHIKV adult wild-type mouse model. Genes previously shown to be up-regulated in CHIKV patients were also up-regulated in the mouse model. CHIKV sequence information was also obtained with up to ≈8% of the reads mapping to the viral genome; however, no adaptive viral genome changes were apparent...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28196094/innate-immunity-mediated-longevity-and-longevity-induced-by-germ-cell-removal-converge-on-the-c-type-lectin-domain-protein-irg-7
#10
Elad Yunger, Modi Safra, Mor Levi-Ferber, Anat Haviv-Chesner, Sivan Henis-Korenblit
In C. elegans, removal of the germline triggers molecular events in the neighboring intestine, which sends an anti-aging signal to the rest of the animal. In this study, we identified an innate immunity related gene, named irg-7, as a novel mediator of longevity in germlineless animals. We consider irg-7 to be an integral downstream component of the germline longevity pathway because its expression increases upon germ cell removal and its depletion interferes with the activation of the longevity-promoting transcription factors DAF-16 and DAF-12 in germlineless animals...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28154172/metabolic-alterations-contribute-to-enhanced-inflammatory-cytokine-production-in-irgm1-deficient-macrophages
#11
Elyse A Schmidt, Brian E Fee, Stanley C Henry, Amanda G Nichols, Mari L Shinohara, Jeffrey C Rathmell, Nancie J MacIver, Jörn Coers, Olga R Ilkayeva, Timothy R Koves, Gregory A Taylor
The immunity-related GTPases (IRGs) are a family of proteins that are induced by interferon (IFN)-γ and play pivotal roles in immune and inflammatory responses. IRGs ostensibly function as dynamin-like proteins that bind to intracellular membranes and promote remodeling and trafficking of those membranes. Prior studies have shown that loss of Irgm1 in mice leads to increased lethality to bacterial infections as well as enhanced inflammation to non-infectious stimuli; however, the mechanisms underlying these phenotypes are unclear...
March 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28054346/optimized-logic-rules-reveal-interferon-%C3%AE-induced-modes-regulated-by-histone-deacetylases-and-protein-tyrosine-phosphatases
#12
Daniel Van Twisk, Shawn P Murphy, Juilee Thakar
The pro-inflammatory cytokine interferon-γ (IFN-γ) is critical for activating innate and adaptive immunity against tumours and intracellular pathogens. Interferon-γ is secreted at the fetal-maternal interface in pregnant women and mice. The outer layer of the placenta in contact with maternal blood is composed of semi-allogeneic trophoblast cells, which constitute the fetal component of the fetal-maternal interface. The simultaneous presence of pro-inflammatory IFN-γ and trophoblast cells at the fetal-maternal interface appears to represent an immunological paradox, for trophoblastic responses to IFN-γ could potentially lead to activation of maternal immunity and subsequent attack of the placenta...
May 2017: Immunology
https://www.readbyqxmd.com/read/28048615/tu-h-202-04-the-vampire-challenge-preliminary-results-from-a-multi-institutional-study-of-ct-ventilation-image-accuracy
#13
J Kipritidis
CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048557/tu-h-202-00-ct-ventilation-imaging-the-new-clinical-reality-of-functional-avoidance-and-response-assessment-in-lung-cancer-radiation-therapy
#14
Paul Keall
CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047895/tu-h-202-01-introduction-to-ct-ventilation-imaging-principles-validation-and-clinical-translation
#15
T Yamamoto
CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047702/we-h-bra-05-investigation-of-let-spectral-dependence-of-the-biological-effects-of-therapeutic-protons
#16
F Guan, L Bronk, M Kerr, X Wang, Y Li, C Peeler, N Sahoo, D Patel, D Mirkovic, U Titt, D Grosshans, R Mohan
PURPOSE: To investigate the dependence of biologic effect (BE) of therapeutic protons on LET spectra by comparing BEs with equal dose-averaged LET (LETd) derived from different LET spectra using high-throughput in vitro clonogenic survival assays. METHODS: We used Geant4 to design the relevant experimental setups and perform the dose, LETd, and LET spectra calculations for spot-scanning protons. The clonogenic assay was performed using the H460 lung cancer cell line cultured in 96-well plates...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047233/tu-h-202-02-applications-validation-clinical-endpoints-and-opportunities-for-ct-ventilation
#17
Y Vinogradskiy
CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046563/tu-h-202-03-spatial-distributions-of-radiation-induced-pulmonary-changes-can-be-modeled-and-utilized-for-image-guided-planning-and-therapy-to-improve-pulmonary-function-preservation-and-hence-the-therapeutic-ratio-for-lung-cancer
#18
J Bayouth
CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27965446/chlamydia-trachomatis-is-resistant-to-inclusion-ubiquitination-and-associated-host-defense-in-gamma-interferon-primed-human-epithelial-cells
#19
Arun K Haldar, Anthony S Piro, Ryan Finethy, Scott T Espenschied, Hannah E Brown, Amanda M Giebel, Eva-Maria Frickel, David E Nelson, Jörn Coers
The cytokine gamma interferon (IFN-γ) induces cell-autonomous immunity to combat infections with intracellular pathogens, such as the bacterium Chlamydia trachomatis The present study demonstrates that IFN-γ-primed human cells ubiquitinate and eliminate intracellular Chlamydia-containing vacuoles, so-called inclusions. We previously described how IFN-γ-inducible immunity-related GTPases (IRGs) employ ubiquitin systems to mark inclusions for destruction in mouse cells and, furthermore, showed that the rodent pathogen Chlamydia muridarum blocks ubiquitination of its inclusions by interfering with mouse IRG function...
December 13, 2016: MBio
https://www.readbyqxmd.com/read/27955694/type-i-interferon-response-gene-expression-in-established-rheumatoid-arthritis-is-not-associated-with-clinical-parameters
#20
Tamarah D de Jong, Marjolein Blits, Sander de Ridder, Saskia Vosslamber, Gertjan Wolbink, Mike T Nurmohamed, Cornelis L Verweij
BACKGROUND: A peripheral blood interferon (IFN) signature (i.e., elevated type I interferon response gene [IRG] expression) has been described in a subset of patients with rheumatoid arthritis (RA). In the present study, we systematically assessed the association between this IRG expression and clinical parameters. METHODS: Expression of 19 IRGs was determined in peripheral blood from 182 consecutive patients with RA and averaged into an IFN score per individual...
December 12, 2016: Arthritis Research & Therapy
keyword
keyword
111343
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"