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https://www.readbyqxmd.com/read/28054346/optimized-logic-rules-reveal-ifn-%C3%AE-induced-modes-regulated-by-histone-deacetylases-and-protein-tyrosine-phosphatases
#1
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 tumors and intracellular pathogens. IFN-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...
January 5, 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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
https://www.readbyqxmd.com/read/27937124/antioxidant-anti-inflammatory-and-anti-septic-potential-of-phenolic-acids-and-flavonoid-fractions-isolated-from-lolium-multiflorum
#10
Ki-Choon Choi, Young-Ok Son, Jung-Min Hwang, Beom-Tae Kim, Minseon Chae, Jeong-Chae Lee
CONTEXT: Interest has recently renewed in using Lolium multiflorum Lam. (Poaceae) (called Italian ryegrass; IRG) silage as an antioxidant and anti-inflammatory diet. OBJECTIVE: This study investigated the antioxidant, anti-inflammatory and anti-septic potential of IRG silage and identified the primary components in IRG active fractions. MATERIALS AND METHODS: Total 16 fractions were separated from the chloroform-soluble extract of IRG aerial part using Sephadex LH-20 column before HPLC analysis...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27879394/selective-control-of-up-regulated-and-down-regulated-genes-by-temporal-patterns-and-doses-of-insulin
#11
Takanori Sano, Kentaro Kawata, Satoshi Ohno, Katsuyuki Yugi, Hiroaki Kakuda, Hiroyuki Kubota, Shinsuke Uda, Masashi Fujii, Katsuyuki Kunida, Daisuke Hoshino, Atsushi Hatano, Yuki Ito, Miharu Sato, Yutaka Suzuki, Shinya Kuroda
Secretion of insulin transiently increases after eating, resulting in a high circulating concentration. Fasting limits insulin secretion, resulting in a low concentration of insulin in the circulation. We analyzed transcriptional responses to different temporal patterns and doses of insulin in the hepatoma FAO cells and identified 13 up-regulated and 16 down-regulated insulin-responsive genes (IRGs). The up-regulated IRGs responded more rapidly than did the down-regulated IRGs to transient stepwise or pulsatile increases in insulin concentration, whereas the down-regulated IRGs were repressed at lower concentrations of insulin than those required to stimulate the up-regulated IRGs...
November 22, 2016: Science Signaling
https://www.readbyqxmd.com/read/27863400/differentiated-regulation-of-immune-response-related-genes-between-luad-and-lusc-subtypes-of-lung-cancers
#12
Mengzhu Chen, Xiuying Liu, Jie Du, Xiu-Jie Wang, Lixin Xia
Lung squamous cell carcinoma (LUSC) and lung adenocarcinoma (LUAD) are the two major subtypes of lung cancer, with LUSC exhibits faster progression rate than LUAD. To investigate the roles of immune-response related genes (IRGs) in lung cancer progression, we used LUAD and LUSC samples at different cancer progression stages, and identified that the expression profiles of IRGs could serve as a better classification marker for cancerous tissues of both LUAD and LUSC. We found that the expression changes of IRGs were different between LUAD and LUSC...
November 15, 2016: Oncotarget
https://www.readbyqxmd.com/read/27750353/an-intensive-diabetes-screening-and-treatment-program-improves-diagnosis-treatment-and-outcomes-of-diabetes-in-patients-admitted-with-cardiac-diseases
#13
X-F Su, L Sun, B-L Liu, X-J Tao, H-Q Li, F-F Li, L Ye, K-O Lee, J-H Ma, S-L Chen
Aim: Patients with cardiac diseases, especially ischemic heart disease, are known to have a high prevalence of diabetes mellitus (DM). They are at risk of having inadequate glucose control. An intensive diabetes screening and treatment program was developed to identify and treat DM in patients admitted with cardiac diseases. Methods: Adult inpatients of 2 cardiac wards, namely Ward-A and Ward-B, at Nanjing Hospital, Nanjing, China, were studied. Patients were randomly assigned into either ward. In addition to routine examination and treatment, an intensive screening and treatment program to identify and treat patients with DM or impaired glucose regulation (IGR) was only applied in Ward-A patients...
October 17, 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27723281/gene-expression-and-pharmacodynamic-induced-changes-in-1-760-sle-patients-from-two-phase-iii-trials-of-b-cell-activating-factor-blockade-with-tabalumab
#14
Robert W Hoffman, Joan T Merrill, Marta M E Alarcón-Riquelme, Michelle Petri, Ernst R Dow, Eric Nantz, Laura K Nisenbaum, Krista M Schroeder, Wendy J Komocsar, Narayanan B Perumal, Matthew D Linnik, David C Airey, Yushi Liu, Guilherme V Rocha, Richard E Higgs
OBJECTIVE: Systemic lupus erythematosus (SLE) has substantial unmet medical need and its pathogenesis is incompletely understood. This study characterized baseline gene expression and pharmacodynamic (PD)-induced changes in whole blood gene expression from two phase III, 52-week (W), randomized, placebo-controlled, double-blind studies of 1,760 SLE patients treated with the B cell activating factor (BAFF)-blocking IgG4 monoclonal antibody, tabalumab. METHODS: Patient samples were obtained from ILLUMINATE-1 and -2 while control samples were from healthy donors...
October 9, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27601210/congenital-dilated-cardiomyopathy-caused-by-biallelic-mutations-in-filamin-c
#15
Eyal Reinstein, Ana Gutierrez-Fernandez, Shay Tzur, Concetta Bormans, Shai Marcu, Einav Tayeb-Fligelman, Chana Vinkler, Annick Raas-Rothschild, Dana Irge, Meytal Landau, Mordechai Shohat, Xose S Puente, Doron M Behar, Carlos Lopez-Otın
In the vast majority of pediatric patients with dilated cardiomyopathy, the specific etiology is unknown. Studies on families with dilated cardiomyopathy have exemplified the role of genetic factors in cardiomyopathy etiology. In this study, we applied whole-exome sequencing to members of a non-consanguineous family affected by a previously unreported congenital dilated cardiomyopathy syndrome necessitating early-onset heart transplant. Exome analysis identified compound heterozygous variants in the FLNC gene...
December 2016: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27557615/effect-of-kineret%C3%A2-on-ovarian-ischemia-reperfusion-injury-in-a-rat-model
#16
Umit Arslan Nayki, Cenk Nayki, Nihal Cetin, Ferda Keskin Cimen, Abdulkadir Coban, Renad Mammadov, Ismail Hakkı Tas, Ismail Malkoc
AIM: To investigate the effect of Kineret® on ischemia reperfusion (IR) injury in rat ovaries. METHODS: Rats were divided into four groups: ovarian IR (IRG); 50 mg/kg Kineret® + ovarian IR (KIR-50); 100 mg/kg Kineret® + ovarian IR (KIR-100); and sham operation (SOC). KIR-50 (n = 10) and KIR-100 (n = 10) groups received an intraperitoneal injection of Kineret® at doses of 50 and 100 mg/kg, respectively. IRG and SOC (n = 10) rat groups were given distilled water as solvent using the same method...
November 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27411379/the-type-i-interferon-signature-in-leukocyte-subsets-from-peripheral-blood-of-patients-with-early-arthritis-a-major-contribution-by-granulocytes
#17
Tamarah D de Jong, Joyce Lübbers, Samina Turk, Saskia Vosslamber, Elise Mantel, Hetty J Bontkes, Conny J van der Laken, Johannes W Bijlsma, Dirkjan van Schaardenburg, Cornelis L Verweij
BACKGROUND: The type I interferon (IFN) signature in rheumatoid arthritis (RA) has shown clinical relevance in relation to disease onset and therapeutic response. Identification of the cell type(s) contributing to this IFN signature could provide insight into the signature's functional consequences. The aim of this study was to investigate the contribution of peripheral leukocyte subsets to the IFN signature in early arthritis. METHODS: Blood was collected from 26 patients with early arthritis and lysed directly or separated into peripheral blood mononuclear cells (PBMCs) and polymorphonuclear granulocytes (PMNs)...
2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27379343/identification-of-small-molecule-inhibitors-that-block-the-toxoplasma-gondii-rhoptry-kinase-rop18
#18
Catherine Simpson, Nathaniel G Jones, Emily A Hull-Ryde, Dmitri Kireev, Michael Stashko, Keliang Tang, Jim Janetka, Scott A Wildman, William J Zuercher, Matthieu Schapira, Raymond Hui, William Janzen, L David Sibley
The protozoan parasite Toxoplasma gondii secretes a family of serine-threonine protein kinases into its host cell in order to disrupt signaling and alter immune responses. One prominent secretory effector is the rhoptry protein 18 (ROP18), a serine-threonine kinase that phosphorylates immunity related GTPases (IRGs) and hence blocks interferon gamma-mediated responses in rodent cells. Previous genetic studies show that ROP18 is a major virulence component of T. gondii strains from North and South America. Here, we implemented a high throughput screen to identify small molecule inhibitors of ROP18 in vitro and subsequently validated their specificity within infected cells...
March 11, 2016: ACS Infectious Diseases
https://www.readbyqxmd.com/read/27335416/large-herbivores-surf-waves-of-green-up-during-spring
#19
Jerod A Merkle, Kevin L Monteith, Ellen O Aikens, Matthew M Hayes, Kent R Hersey, Arthur D Middleton, Brendan A Oates, Hall Sawyer, Brandon M Scurlock, Matthew J Kauffman
The green wave hypothesis (GWH) states that migrating animals should track or 'surf' high-quality forage at the leading edge of spring green-up. To index such high-quality forage, recent work proposed the instantaneous rate of green-up (IRG), i.e. rate of change in the normalized difference vegetation index over time. Despite this important advancement, no study has tested the assumption that herbivores select habitat patches at peak IRG. We evaluated this assumption using step selection functions parametrized with movement data during the green-up period from two populations each of bighorn sheep, mule deer, elk, moose and bison, totalling 463 individuals monitored 1-3 years from 2004 to 2014...
June 29, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27334269/facilitation-of-endosomal-recycling-by-an-irg-protein-homolog-maintains-apical-tubule-structure-in-caenorhabditis-elegans
#20
Kelly A Grussendorf, Christopher J Trezza, Alexander T Salem, Hikmat Al-Hashimi, Brendan C Mattingly, Drew E Kampmeyer, Liakot A Khan, David H Hall, Verena Göbel, Brian D Ackley, Matthew Buechner
Determination of luminal diameter is critical to the function of small single-celled tubes. A series of EXC proteins, including EXC-1, prevent swelling of the tubular excretory canals in Caenorhabditis elegans In this study, cloning of exc-1 reveals it to encode a homolog of mammalian IRG proteins, which play roles in immune response and autophagy and are associated with Crohn's disease. Mutants in exc-1 accumulate early endosomes, lack recycling endosomes, and exhibit abnormal apical cytoskeletal structure in regions of enlarged tubules...
August 2016: Genetics
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