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https://www.readbyqxmd.com/read/28202913/vasculitis-syndromes-loss-of-immunoinhibitory-checkpoint-implicated-in-gca
#1
Sarah Onuora
No abstract text is available yet for this article.
February 9, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28196067/body-weight-trajectories-and-risk-of-oesophageal-and-gastric-cardia-adenocarcinomas-a-pooled-analysis-of-nih-aarp-and-plco-studies
#2
Jessica L Petrick, Scott P Kelly, Linda M Liao, Neal D Freedman, Barry I Graubard, Michael B Cook
BACKGROUND: Elevated body mass index (BMI, kg m(-2)) has been consistently associated with oesophageal adenocarcinoma (EA) and gastric cardia adenocarcinoma (GCA) incidence. However, effects of adiposity over the life course in relation to EA/GCA have not been thoroughly explored. METHODS: We pooled two prospective cohort studies: NIH-AARP Diet and Health Study and Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial, with data on 409 796 individuals (633 EA, 415 GCA)...
February 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28138903/the-treatment-of-giant-cell-arteritis
#3
REVIEW
Imran Jivraj, Madhura Tamhankar
Giant cell arteritis (GCA) is a systemic inflammatory vasculitis affecting medium and large vessels with potentially sight and life-threatening complications. Early diagnosis and prompt treatment are imperative in order to prevent vision loss and progression of the disease. Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) are inflammatory markers which are elevated in the majority of patients and support the diagnosis of GCA among patients who present with typical symptoms. GCA is confirmed with superficial temporal artery biopsy which demonstrates characteristic pathological findings...
January 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28134073/long-term-continuation-of-methotrexate-therapy-in-giant-cell-arteritis-patients-in-clinical-practice
#4
Leticia Leon, Luis Rodriguez-Rodriguez, Dalifer Freites, Lucia Arietti, Inmaculada Morado, Cristina Vadillo, José Ramón Lamas, Benjamin Fernandez, Juan Angel Jover, Lydia Abasolo
OBJECTIVES: To assess the long-term continuation of MTX in a cohort of patients with GCA in daily clinical practice. Factors associated with its discontinuation rate were also investigated. METHODS: A longitudinal study from 1991-2014, was performed. GCA patients with MTX and followed-up in a rheumatology outpatient clinic of Madrid during the study period were included. PRIMARY OUTCOME: discontinuation of MTX due to: adverse drug reaction (ADR moderate and severe); inefficacy; sustained clinical response; patient decision...
January 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28133925/a-randomized-double-blind-trial-of-abatacept-ctla4-ig-for-the-treatment-of-giant-cell-arteritis
#5
Carol A Langford, David Cuthbertson, Steven R Ytterberg, Nader Khalidi, Paul A Monach, Simon Carette, Philip Seo, Larry W Moreland, Michael Weisman, Curry L Koening, Antoine Sreih, Robert Spiera, Carol A McAlear, Kenneth J Warrington, Christian Pagnoux, Kathleen McKinnon, Lindsy J Forbess, Gary S Hoffman, Renée Borchin, Jeffrey P Krischer, Peter A Merkel
OBJECTIVE: To compare the efficacy of abatacept to placebo for giant cell arteritis (GCA). METHODS: In this multicenter trial, patients with newly-diagnosed or relapsing GCA were treated with abatacept 10 mg/kg IV on days 1, 15, 29, week 8, together with prednisone. At week 12, patients in remission underwent a double-blinded randomization to continue monthly abatacept or switch to placebo. Patients in both study arms received a standardized prednisone taper with discontinuation of prednisone at week 28...
January 30, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28123651/the-association-between-poor-sleep-quality-and-global-cortical-atrophy-is-related-to-age-results-from-the-atahualpa-project
#6
Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, Pablo R Castillo
Community-dwellers aged ≥60 years enrolled in the Atahualpa Project underwent brain MRI and were interviewed with the Pittsburgh Sleep Quality Index. Of 290 participants, 94 (32%) had poor sleep quality and 143 (49%) had global cortical atrophy (GCA). In a logistic regression model (adjusted for demographics, cardiovascular risk factor, severe edentulism, symptoms of depression, the MoCA score, and neuroimaging signatures of cerebrovascular damage), poor sleep quality was associated with GCA (p=0.004). A multivariate probability model showed that the probability of moderate-to-severe GCA significantly increased in individuals with poor sleep quality aged ≥67 years...
July 2016: Sleep Science
https://www.readbyqxmd.com/read/28119387/estimated-reductions-in-cardiovascular-and-gastric-cancer-disease-burden-through-salt-policies-in-england-an-impactncd-microsimulation-study
#7
Chris Kypridemos, Maria Guzman-Castillo, Lirije Hyseni, Graeme L Hickey, Piotr Bandosz, Iain Buchan, Simon Capewell, Martin O'Flaherty
OBJECTIVE: To estimate the impact and equity of existing and potential UK salt reduction policies on primary prevention of cardiovascular disease (CVD) and gastric cancer (GCa) in England. DESIGN: A microsimulation study of a close-to-reality synthetic population. In the first period, 2003-2015, we compared the impact of current policy against a counterfactual 'no intervention' scenario, which assumed salt consumption persisted at 2003 levels. For 2016-2030, we assumed additional legislative policies could achieve a steeper salt decline and we compared this against the counterfactual scenario that the downward trend in salt consumption observed between 2001 and 2011 would continue up to 2030...
January 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28115719/immunoinhibitory-checkpoint-deficiency-in-medium-and-large-vessel-vasculitis
#8
Hui Zhang, Ryu Watanabe, Gerald J Berry, Augusto Vaglio, Yaping Joyce Liao, Kenneth J Warrington, Jörg J Goronzy, Cornelia M Weyand
Giant cell arteritis (GCA) causes autoimmune inflammation of the aorta and its large branches, resulting in aortic arch syndrome, blindness, and stroke. CD4(+) T cells and macrophages form organized granulomatous lesions in the walls of affected arteries, destroy the tunica media, and induce ischemic organ damage through rapid intimal hyperplasia and luminal occlusion. Pathogenic mechanisms remain insufficiently understood; specifically, it is unknown whether the unopposed activation of the immune system is because of deficiency of immunoinhibitory checkpoints...
February 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28114323/identification-of-a-putative-quantitative-trait-gene-for-resistance-to-obesity-in-mice-using-transcriptome-analysis-and-causal-inference-tests
#9
Akira Ishikawa
It is still challenging to identify causal genes governing obesity. Pbwg1.5, a quantitative trait locus (QTL) for resistance to obesity, was previously discovered from wild Mus musculus castaneus mice and was fine-mapped to a 2.1-Mb genomic region of mouse chromosome 2, where no known gene with an effect on white adipose tissue (WAT) has been reported. The aim of this study was to identify a strong candidate gene for Pbwg1.5 by an integration approach of transcriptome analysis (RNA-sequencing followed by real-time PCR analysis) and the causal inference test (CIT), a statistical method to infer causal relationships between diplotypes, gene expression and trait values...
2017: PloS One
https://www.readbyqxmd.com/read/28099948/mdm4-genetic-variants-and-risk-of-gastric-cancer-in-an-eastern-chinese-population
#10
Meng-Yun Wang, Ming Jia, Jing He, Fei Zhou, Li-Xin Qiu, Meng-Hong Sun, Ya-Jun Yang, Jiu-Cun Wang, Li Jin, Ya-Nong Wang, Qing-Yi Wei
MDM4 is a p53-interacting protein and plays an important role in carcinogenesis. In this study of 1,077 gastric cancer (GCa) cases and 1,173 matched cancer-free controls, we investigated associations between three tagging single nucleotide polymorphisms (SNPs) (rs11801299 G>A, rs1380576 C>G and rs10900598 G>T) in MDM4 and gastric cancer risk in an Eastern Chinese Population. In logistic regression analysis, a significantly decreased GCa risk was associated with the rs1380576 GG variant genotype (adjusted odds ratio [OR] =0...
January 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099197/relative-frequencies-of-arteritic-and-nonarteritic-anterior-ischemic-optic-neuropathy-in-an-arab-population
#11
Anna M Gruener, Jessica R Chang, Thomas M Bosley, Zakeya M Al-Sadah, Clarissa Kum, Timothy J McCulley
BACKGROUND: To evaluate the relative frequencies of arteritic and nonarteritic anterior ischemic optic neuropathy (AION) in an Arab population and to compare and contrast these findings with known epidemiological data from Caucasian populations. METHODS: A retrospective review of the medical records of all patients diagnosed with AION at the King Khaled Eye Specialist Hospital (KKESH) in Riyadh, Saudi Arabia, between 1997 and 2012. RESULTS: Of 171 patients with AION, 4 had biopsy-proven giant-cell arteritis (GCA)...
January 17, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28089985/giant-cell-arteritis-related-stroke-a-retrospective-multicenter-case-control-study
#12
Hubert de Boysson, Eric Liozon, Delphine Larivière, Maxime Samson, Jean-Jacques Parienti, Jonathan Boutemy, Gwénola Maigné, Nicolas Martin Silva, Kim Ly, Emmanuel Touzé, Bernard Bonnotte, Achille Aouba, Karim Sacré, Boris Bienvenu
OBJECTIVE: Our aim was to describe patients with giant cell arteritis (GCA)-related stroke and to compare them with a control group of GCA patients without stroke. METHODS: We created a retrospective multicenter cohort of patients with (1) GCA diagnosed according to the American College of Rheumatology criteria between 1995 and 2015, and (2) stroke occurring at the time of GCA diagnosis or occurring within 4 weeks of starting GCA therapy. The control group consisted of GCA patients without stroke...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28077689/giant-cell-arteritis-and-vascular-disease-risk-factors-and-outcomes-a-cohort-study-using-uk-clinical-practice-research-datalink
#13
Lin Li, Tuhina Neogi, Susan Jick
OBJECTIVE: To evaluate the associations between GCA and vascular diseases and other comorbidities in patients with GCA compared with non-vasculitis patients. METHODS: Using the UK-based Clinical Practice Research Datalink we identified 9778 newly diagnosed GCA patients in 1990-2014, and up to 10 non-vasculitis patients randomly matched to each case on age, sex, practice and years of history before cohort entry. We compared the distributions of 9 different pre-existing vascular diseases and 11 other comorbidities, and risks of incident vascular diseases and other comorbidities after cohort entry between GCA and non-vasculitis patients...
January 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/28077184/abnormalities-in-the-effective-connectivity-of-visuothalamic-circuitry-in-schizophrenia
#14
S J Iwabuchi, L Palaniyappan
BACKGROUND: Sensory-processing deficits appear crucial to the clinical expression of symptoms of schizophrenia. The visual cortex displays both dysconnectivity and aberrant spontaneous activity in patients with persistent symptoms and cognitive deficits. In this paper, we examine visual cortex in the context of the remerging notion of thalamic dysfunction in schizophrenia. We examined specific regional and longer-range abnormalities in sensory and thalamic circuits in schizophrenia, and whether these patterns are strong enough to discriminate symptomatic patients from controls...
January 12, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28066897/predictive-value-of-the-movement-assessment-battery-for-children-second-edition-at-4%C3%A2-years-for-motor-impairment-at-8%C3%A2-years-in-children-born-preterm
#15
Alison Griffiths, Prue Morgan, Peter J Anderson, Lex W Doyle, Katherine J Lee, Alicia J Spittle
AIM: To assess the predictive validity at 4 years of the Movement Assessment Battery for Children - Second Edition (MABC-2) for motor impairment at 8 years in children born preterm. We also aimed to determine if sex, cognition, medical, or social risks were associated with motor impairment at 8 years or with a change in MABC-2 score between 4 years and 8 years. METHOD: Ninety-six children born at less than 30 weeks' gestation were assessed with the MABC-2 at 4 years and 8 years of age...
January 9, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28064210/characteristics-of-autoantibodies-targeting-14-3-3-proteins-and-their-association-with-clinical-features-in-newly-diagnosed-giant-cell-arteritis
#16
Anne Kistner, Marc B Bigler, Kathrin Glatz, Simon B Egli, Fabian S Baldin, Florian A Marquardsen, Matthias Mehling, Katharina M Rentsch, Daniel Staub, Markus Aschwanden, Mike Recher, Thomas Daikeler, Christoph T Berger
OBJECTIVES: Autoantibodies are useful biomarkers for diagnosing and monitoring treatment in some autoimmune diseases. Antibodies against isoforms of 14-3-3 protein have been proposed as biomarkers for the presence of aortic aneurysm in large-vessel vasculitis (LVV). Here, we aimed to evaluate the diagnostic role and potential immunopathological involvement of anti-14-3-3 antibodies in newly diagnosed LVV patients. METHODS: Antibodies against three isoforms of 14-3-3 (γ, ε and ζ) were measured in 90 subjects: 48 GCA and 3 Takayasu's arteritis (TA) patients, and 39 controls (non-inflammatory and inflammatory diseases), using a multiplexed bead-based immunoassay and immunoprecipitation studies...
January 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/28056775/genetic-effects-and-genotype%C3%A2-%C3%A3-%C3%A2-environment-interactions-govern-seed-oil-content-in-brassica-napus-l
#17
Yanli Guo, Ping Si, Nan Wang, Jing Wen, Bin Yi, Chaozhi Ma, Jinxing Tu, Jitao Zou, Tingdong Fu, Jinxiong Shen
BACKGROUND: As seed oil content (OC) is a key measure of rapeseed quality, better understanding the genetic basis of OC would greatly facilitate the breeding of high-oil cultivars. Here, we investigated the components of genetic effects and genotype × environment interactions (GE) that govern OC using a full diallel set of nine parents, which represented a wide range of the Chinese rapeseed cultivars and pure lines with various OCs. RESULTS: Our results from an embryo-cytoplasm-maternal (GoCGm) model for diploid seeds showed that OC was primarily determined by genetic effects (VG) and GE (VGE), which together accounted for 86...
January 5, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28041642/a-genome-wide-association-study-identifies-risk-alleles-in-plasminogen-and-p4ha2-associated-with-giant-cell-arteritis
#18
F David Carmona, Augusto Vaglio, Sarah L Mackie, José Hernández-Rodríguez, Paul A Monach, Santos Castañeda, Roser Solans, Inmaculada C Morado, Javier Narváez, Marc Ramentol-Sintas, Colin T Pease, Bhaskar Dasgupta, Richard Watts, Nader Khalidi, Carol A Langford, Steven Ytterberg, Luigi Boiardi, Lorenzo Beretta, Marcello Govoni, Giacomo Emmi, Francesco Bonatti, Marco A Cimmino, Torsten Witte, Thomas Neumann, Julia Holle, Verena Schönau, Laurent Sailler, Thomas Papo, Julien Haroche, Alfred Mahr, Luc Mouthon, Øyvind Molberg, Andreas P Diamantopoulos, Alexandre Voskuyl, Elisabeth Brouwer, Thomas Daikeler, Christoph T Berger, Eamonn S Molloy, Lorraine O'Neill, Daniel Blockmans, Benedicte A Lie, Paul Mclaren, Timothy J Vyse, Cisca Wijmenga, Yannick Allanore, Bobby P C Koeleman, Jennifer H Barrett, María C Cid, Carlo Salvarani, Peter A Merkel, Ann W Morgan, Miguel A González-Gay, Javier Martín
Giant cell arteritis (GCA) is the most common form of vasculitis in individuals older than 50 years in Western countries. To shed light onto the genetic background influencing susceptibility for GCA, we performed a genome-wide association screening in a well-powered study cohort. After imputation, 1,844,133 genetic variants were analyzed in 2,134 case subjects and 9,125 unaffected individuals from ten independent populations of European ancestry. Our data confirmed HLA class II as the strongest associated region (independent signals: rs9268905, p = 1...
January 5, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28040246/risk-of-mortality-in-patients-with-giant-cell-arteritis-a-systematic-review-and-meta-analysis
#19
REVIEW
Catherine L Hill, Rachel J Black, Johannes C Nossent, Carlee Ruediger, Leanne Nguyen, Jem V Ninan, Susan Lester
BACKGROUND: Previous studies of mortality associated with GCA have shown conflicting results. We conducted a systematic review and meta-analysis to determine the mortality risk in GCA patients compared to the general population. METHODS: We searched for published studies indexed in MEDLINE and EMBASE and the Cochrane database from inception to June 18, 2015 using the terms "giant cell arteritis" and "temporal arteritis" combined with the terms for death, mortality, and survival...
August 25, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28040244/serious-adverse-effects-associated-with-glucocorticoid-therapy-in-patients-with-giant-cell-arteritis-gca-a-nested-case-control-analysis
#20
Jessica C Wilson, Khaled Sarsour, Neil Collinson, Katie Tuckwell, David Musselman, Micki Klearman, Pavel Napalkov, Susan S Jick, John H Stone, Christoph R Meier
OBJECTIVE: Giant cell arteritis (GCA) is an inflammatory vasculitis preferentially affecting large and medium-sized arteries. High-dose oral glucocorticoids (GCs) are the mainstay of GCA therapy. Using data from the UK Clinical Practice Research Datalink (CPRD), we examined the risk of oral GC-related serious adverse events (SAEs) in a UK population of patients with giant cell arteritis (GCA). METHODS: We conducted a series of nested case-control analyses in GCA patients to examine the effect of increasing dose of prednisolone on the risk of developing diabetes, glaucoma, osteoporosis, fractures, serious infection requiring hospitalization, and death...
November 28, 2016: Seminars in Arthritis and Rheumatism
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