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https://www.readbyqxmd.com/read/28935693/a-multidimensional-blood-stimulation-assay-reveals-immune-alterations-underlying-systemic-juvenile-idiopathic-arthritis
#1
Alma-Martina Cepika, Romain Banchereau, Elodie Segura, Marina Ohouo, Brandi Cantarel, Kristina Goller, Victoria Cantrell, Emily Ruchaud, Elizabeth Gatewood, Phuong Nguyen, Jinghua Gu, Esperanza Anguiano, Sandra Zurawski, Jeanine M Baisch, Marilynn Punaro, Nicole Baldwin, Gerlinde Obermoser, Karolina Palucka, Jacques Banchereau, Sebastian Amigorena, Virginia Pascual
The etiology of sporadic human chronic inflammatory diseases remains mostly unknown. To fill this gap, we developed a strategy that simultaneously integrates blood leukocyte responses to innate stimuli at the transcriptional, cellular, and secreted protein levels. When applied to systemic juvenile idiopathic arthritis (sJIA), an autoinflammatory disease of unknown etiology, this approach identified gene sets associated with specific cytokine environments and activated leukocyte subsets. During disease remission and off treatment, sJIA patients displayed dysregulated responses to TLR4, TLR8, and TLR7 stimulation...
September 21, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28878331/the-immunosuppressive-effect-of-the-tick-protein-salp15-is-long-lasting-and-persists-in-a-murine-model-of-hematopoietic-transplant
#2
Julen Tomás-Cortázar, Itziar Martín-Ruiz, Diego Barriales, Miguel Ángel Pascual-Itoiz, Virginia Gutiérrez de Juan, Alfredo Caro-Maldonado, Nekane Merino, Alberto Marina, Francisco J Blanco, Juana María Flores, James D Sutherland, Rosa Barrio, Adriana Rojas, María Luz Martínez-Chantar, Arkaitz Carracedo, Carolina Simó, Virginia García-Cañas, Leticia Abecia, José Luis Lavín, Ana M Aransay, Héctor Rodríguez, Juan Anguita
Salp15, a salivary protein of Ixodes ticks, inhibits the activation of naïve CD4 T cells. Treatment with Salp15 results in the inhibition of early signaling events and the production of the autocrine growth factor, interleukin-2. The fate of the CD4 T cells activated in the presence of Salp15 or its long-term effects are, however, unknown. We now show that Salp15 binding to CD4 is persistent and induces a long-lasting immunomodulatory effect. The activity of Salp15 results in sustained diminished cross-antigenic antibody production even after interruption of the treatment with the protein...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877868/impact-of-risk-factors-associated-with-cardiovascular-outcomes-in-patients-with-rheumatoid-arthritis
#3
Cynthia S Crowson, Silvia Rollefstad, Eirik Ikdahl, George D Kitas, Piet L C M van Riel, Sherine E Gabriel, Eric L Matteson, Tore K Kvien, Karen Douglas, Aamer Sandoo, Elke Arts, Solveig Wållberg-Jonsson, Lena Innala, George Karpouzas, Patrick H Dessein, Linda Tsang, Hani El-Gabalawy, Carol Hitchon, Virginia Pascual Ramos, Irazú Contreras Yáñez, Petros P Sfikakis, Evangelia Zampeli, Miguel A Gonzalez-Gay, Alfonso Corrales, Mart van de Laar, Harald E Vonkeman, Inger Meek, Anne Grete Semb
OBJECTIVES: Patients with rheumatoid arthritis (RA) have an excess risk of cardiovascular disease (CVD). We aimed to assess the impact of CVD risk factors, including potential sex differences, and RA-specific variables on CVD outcome in a large, international cohort of patients with RA. METHODS: In 13 rheumatology centres, data on CVD risk factors and RA characteristics were collected at baseline. CVD outcomes (myocardial infarction, angina, revascularisation, stroke, peripheral vascular disease and CVD death) were collected using standardised definitions...
September 6, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28865423/patient-s-perspective-of-sustained-remission-in-rheumatoid-arthritis
#4
Irazú Contreras-Yáñez, Guillermo Guaracha-Basañez, Daniel Ruiz-Domínguez, Virginia Pascual-Ramos
BACKGROUND: During the course of rheumatoid arthritis (RA), patients have profound negative effects on their patient-reported-outcomes (PRO); in addition, the impact of sustained remission (SR) on PROs may differ for each particular outcome. The objectives of this study were to identify SR from an inception cohort of RA patients and to examine the impact of SR in an ample spectrum of PROs. METHODS: The study was developed in a well characterized and ongoing cohort of RA patients with recent onset disease recruited from 2004 onwards...
September 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28844762/2-arachidonoylglycerol-metabolism-is-differently-modulated-by-oligomeric-and-fibrillar-conformations-of-amyloid-beta-in-synaptic-terminals
#5
Ana C Pascual, Virginia L Gaveglio, Norma M Giusto, Susana J Pasquaré
Alzheimer's disease (AD) is the most prevalent disorder of senile dementia mainly characterized by amyloid-beta peptide (Aβ) deposits in the brain. Cannabinoids are relevant to AD as they exert several beneficial effects in many models of this disease. Still, whether the endocannabinoid system is either up- or down-regulated in AD has not yet been fully elucidated. Thus, the aim of the present paper was to analyze endocannabinoid 2-arachidonoylglycerol (2-AG) metabolism in cerebral cortex synaptosomes incubated with Aβ oligomers or fibrils...
August 24, 2017: Neuroscience
https://www.readbyqxmd.com/read/28783704/constitutive-resistance-to-viral-infection-in-human-cd141-dendritic-cells
#6
Aymeric Silvin, Chun I Yu, Xavier Lahaye, Francesco Imperatore, Jean-Baptiste Brault, Sylvain Cardinaud, Christian Becker, Wing-Hong Kwan, Cécile Conrad, Mathieu Maurin, Christel Goudot, Santy Marques-Ladeira, Yuanyuan Wang, Virginia Pascual, Esperanza Anguiano, Randy A Albrecht, Matteo Iannacone, Adolfo García-Sastre, Bruno Goud, Marc Dalod, Arnaud Moris, Miriam Merad, A Karolina Palucka, Nicolas Manel
Dendritic cells (DCs) are critical for the launching of protective T cell immunity in response to viral infection. Viruses can directly infect DCs, thereby compromising their viability and suppressing their ability to activate immune responses. How DC function is maintained in light of this paradox is not understood. By analyzing the susceptibility of primary human DC subsets to viral infections, we report that CD141(+) DCs have an innate resistance to infection by a broad range of enveloped viruses, including HIV and influenza virus...
July 7, 2017: Science Immunology
https://www.readbyqxmd.com/read/28755908/communication-skills-in-candidates-for-accreditation-in-rheumatology-are-correlated-with-candidate-s-performance-in-the-objective-structured-clinical-examination
#7
Virginia Pascual-Ramos, Diana Elsa Flores-Alvarado, Margarita Portela-Hernández, María Del Rocío Maldonado-Velázquez, Luis Manuel Amezcua-Guerra, Judith López-Zepeda, Everardo Álvarez, Nadina Rubio, Olga Vera Lastra, Miguel Ángel Saavedra, César Alejandro Arce-Salinas
BACKGROUND: The Mexican Accreditation Council for Rheumatology annually certifies trainees in Rheumatology using a multiple-choice test and an objective structured clinical examination (OSCE). Since 2015, candidate's communication skills (CS) have been rated by both patients and by physician examiners and correlated with results on the OSCE. This study compared the CS from candidates to annual accreditation in Rheumatology as rated by patients and by physician examiners, and assessed whether these correlated with candidate's performance in the OSCE...
July 26, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28754110/predictors-of-health-care-drop-out-in-an-inception-cohort-of-patients-with-early-onset-rheumatoid-arthritis
#8
Irazú Contreras-Yáñez, Virginia Pascual-Ramos
BACKGROUND: RA patients who eventually dropped out of treatment and out of the health care system had potentially disastrous consequences for their health-related quality-of-life outcomes. Objectives of the study were to identify predictors of health care drop out (HDO) in an inception and ongoing cohort of patients with recent onset RA. METHODS: Charts from patients attending an early arthritis clinic from February 2004 to December 2015, and standardized follow-up evaluations were reviewed...
July 28, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28714976/rare-coding-variants-in-plcg2-abi3-and-trem2-implicate-microglial-mediated-innate-immunity-in-alzheimer-s-disease
#9
Rebecca Sims, Sven J van der Lee, Adam C Naj, Céline Bellenguez, Nandini Badarinarayan, Johanna Jakobsdottir, Brian W Kunkle, Anne Boland, Rachel Raybould, Joshua C Bis, Eden R Martin, Benjamin Grenier-Boley, Stefanie Heilmann-Heimbach, Vincent Chouraki, Amanda B Kuzma, Kristel Sleegers, Maria Vronskaya, Agustin Ruiz, Robert R Graham, Robert Olaso, Per Hoffmann, Megan L Grove, Badri N Vardarajan, Mikko Hiltunen, Markus M Nöthen, Charles C White, Kara L Hamilton-Nelson, Jacques Epelbaum, Wolfgang Maier, Seung-Hoan Choi, Gary W Beecham, Cécile Dulary, Stefan Herms, Albert V Smith, Cory C Funk, Céline Derbois, Andreas J Forstner, Shahzad Ahmad, Hongdong Li, Delphine Bacq, Denise Harold, Claudia L Satizabal, Otto Valladares, Alessio Squassina, Rhodri Thomas, Jennifer A Brody, Liming Qu, Pascual Sánchez-Juan, Taniesha Morgan, Frank J Wolters, Yi Zhao, Florentino Sanchez Garcia, Nicola Denning, Myriam Fornage, John Malamon, Maria Candida Deniz Naranjo, Elisa Majounie, Thomas H Mosley, Beth Dombroski, David Wallon, Michelle K Lupton, Josée Dupuis, Patrice Whitehead, Laura Fratiglioni, Christopher Medway, Xueqiu Jian, Shubhabrata Mukherjee, Lina Keller, Kristelle Brown, Honghuang Lin, Laura B Cantwell, Francesco Panza, Bernadette McGuinness, Sonia Moreno-Grau, Jeremy D Burgess, Vincenzo Solfrizzi, Petra Proitsi, Hieab H Adams, Mariet Allen, Davide Seripa, Pau Pastor, L Adrienne Cupples, Nathan D Price, Didier Hannequin, Ana Frank-García, Daniel Levy, Paramita Chakrabarty, Paolo Caffarra, Ina Giegling, Alexa S Beiser, Vilmantas Giedraitis, Harald Hampel, Melissa E Garcia, Xue Wang, Lars Lannfelt, Patrizia Mecocci, Gudny Eiriksdottir, Paul K Crane, Florence Pasquier, Virginia Boccardi, Isabel Henández, Robert C Barber, Martin Scherer, Lluis Tarraga, Perrie M Adams, Markus Leber, Yuning Chen, Marilyn S Albert, Steffi Riedel-Heller, Valur Emilsson, Duane Beekly, Anne Braae, Reinhold Schmidt, Deborah Blacker, Carlo Masullo, Helena Schmidt, Rachelle S Doody, Gianfranco Spalletta, W T Longstreth Jr, Thomas J Fairchild, Paola Bossù, Oscar L Lopez, Matthew P Frosch, Eleonora Sacchinelli, Bernardino Ghetti, Qiong Yang, Ryan M Huebinger, Frank Jessen, Shuo Li, M Ilyas Kamboh, John Morris, Oscar Sotolongo-Grau, Mindy J Katz, Chris Corcoran, Melanie Dunstan, Amy Braddel, Charlene Thomas, Alun Meggy, Rachel Marshall, Amy Gerrish, Jade Chapman, Miquel Aguilar, Sarah Taylor, Matt Hill, Mònica Díez Fairén, Angela Hodges, Bruno Vellas, Hilkka Soininen, Iwona Kloszewska, Makrina Daniilidou, James Uphill, Yogen Patel, Joseph T Hughes, Jenny Lord, James Turton, Annette M Hartmann, Roberta Cecchetti, Chiara Fenoglio, Maria Serpente, Marina Arcaro, Carlo Caltagirone, Maria Donata Orfei, Antonio Ciaramella, Sabrina Pichler, Manuel Mayhaus, Wei Gu, Alberto Lleó, Juan Fortea, Rafael Blesa, Imelda S Barber, Keeley Brookes, Chiara Cupidi, Raffaele Giovanni Maletta, David Carrell, Sandro Sorbi, Susanne Moebus, Maria Urbano, Alberto Pilotto, Johannes Kornhuber, Paolo Bosco, Stephen Todd, David Craig, Janet Johnston, Michael Gill, Brian Lawlor, Aoibhinn Lynch, Nick C Fox, John Hardy, Roger L Albin, Liana G Apostolova, Steven E Arnold, Sanjay Asthana, Craig S Atwood, Clinton T Baldwin, Lisa L Barnes, Sandra Barral, Thomas G Beach, James T Becker, Eileen H Bigio, Thomas D Bird, Bradley F Boeve, James D Bowen, Adam Boxer, James R Burke, Jeffrey M Burns, Joseph D Buxbaum, Nigel J Cairns, Chuanhai Cao, Chris S Carlson, Cynthia M Carlsson, Regina M Carney, Minerva M Carrasquillo, Steven L Carroll, Carolina Ceballos Diaz, Helena C Chui, David G Clark, David H Cribbs, Elizabeth A Crocco, Charles DeCarli, Malcolm Dick, Ranjan Duara, Denis A Evans, Kelley M Faber, Kenneth B Fallon, David W Fardo, Martin R Farlow, Steven Ferris, Tatiana M Foroud, Douglas R Galasko, Marla Gearing, Daniel H Geschwind, John R Gilbert, Neill R Graff-Radford, Robert C Green, John H Growdon, Ronald L Hamilton, Lindy E Harrell, Lawrence S Honig, Matthew J Huentelman, Christine M Hulette, Bradley T Hyman, Gail P Jarvik, Erin Abner, Lee-Way Jin, Gyungah Jun, Anna Karydas, Jeffrey A Kaye, Ronald Kim, Neil W Kowall, Joel H Kramer, Frank M LaFerla, James J Lah, James B Leverenz, Allan I Levey, Ge Li, Andrew P Lieberman, Kathryn L Lunetta, Constantine G Lyketsos, Daniel C Marson, Frank Martiniuk, Deborah C Mash, Eliezer Masliah, Wayne C McCormick, Susan M McCurry, Andrew N McDavid, Ann C McKee, Marsel Mesulam, Bruce L Miller, Carol A Miller, Joshua W Miller, John C Morris, Jill R Murrell, Amanda J Myers, Sid O'Bryant, John M Olichney, Vernon S Pankratz, Joseph E Parisi, Henry L Paulson, William Perry, Elaine Peskind, Aimee Pierce, Wayne W Poon, Huntington Potter, Joseph F Quinn, Ashok Raj, Murray Raskind, Barry Reisberg, Christiane Reitz, John M Ringman, Erik D Roberson, Ekaterina Rogaeva, Howard J Rosen, Roger N Rosenberg, Mark A Sager, Andrew J Saykin, Julie A Schneider, Lon S Schneider, William W Seeley, Amanda G Smith, Joshua A Sonnen, Salvatore Spina, Robert A Stern, Russell H Swerdlow, Rudolph E Tanzi, Tricia A Thornton-Wells, John Q Trojanowski, Juan C Troncoso, Vivianna M Van Deerlin, Linda J Van Eldik, Harry V Vinters, Jean Paul Vonsattel, Sandra Weintraub, Kathleen A Welsh-Bohmer, Kirk C Wilhelmsen, Jennifer Williamson, Thomas S Wingo, Randall L Woltjer, Clinton B Wright, Chang-En Yu, Lei Yu, Fabienne Garzia, Feroze Golamaully, Gislain Septier, Sebastien Engelborghs, Rik Vandenberghe, Peter P De Deyn, Carmen Muñoz Fernadez, Yoland Aladro Benito, Hakan Thonberg, Charlotte Forsell, Lena Lilius, Anne Kinhult-Stählbom, Lena Kilander, RoseMarie Brundin, Letizia Concari, Seppo Helisalmi, Anne Maria Koivisto, Annakaisa Haapasalo, Vincent Dermecourt, Nathalie Fievet, Olivier Hanon, Carole Dufouil, Alexis Brice, Karen Ritchie, Bruno Dubois, Jayanadra J Himali, C Dirk Keene, JoAnn Tschanz, Annette L Fitzpatrick, Walter A Kukull, Maria Norton, Thor Aspelund, Eric B Larson, Ron Munger, Jerome I Rotter, Richard B Lipton, María J Bullido, Albert Hofman, Thomas J Montine, Eliecer Coto, Eric Boerwinkle, Ronald C Petersen, Victoria Alvarez, Fernando Rivadeneira, Eric M Reiman, Maura Gallo, Christopher J O'Donnell, Joan S Reisch, Amalia Cecilia Bruni, Donald R Royall, Martin Dichgans, Mary Sano, Daniela Galimberti, Peter St George-Hyslop, Elio Scarpini, Debby W Tsuang, Michelangelo Mancuso, Ubaldo Bonuccelli, Ashley R Winslow, Antonio Daniele, Chuang-Kuo Wu, Oliver Peters, Benedetta Nacmias, Matthias Riemenschneider, Reinhard Heun, Carol Brayne, David C Rubinsztein, Jose Bras, Rita Guerreiro, Ammar Al-Chalabi, Christopher E Shaw, John Collinge, David Mann, Magda Tsolaki, Jordi Clarimón, Rebecca Sussams, Simon Lovestone, Michael C O'Donovan, Michael J Owen, Timothy W Behrens, Simon Mead, Alison M Goate, Andre G Uitterlinden, Clive Holmes, Carlos Cruchaga, Martin Ingelsson, David A Bennett, John Powell, Todd E Golde, Caroline Graff, Philip L De Jager, Kevin Morgan, Nilufer Ertekin-Taner, Onofre Combarros, Bruce M Psaty, Peter Passmore, Steven G Younkin, Claudine Berr, Vilmundur Gudnason, Dan Rujescu, Dennis W Dickson, Jean-François Dartigues, Anita L DeStefano, Sara Ortega-Cubero, Hakon Hakonarson, Dominique Campion, Merce Boada, John Keoni Kauwe, Lindsay A Farrer, Christine Van Broeckhoven, M Arfan Ikram, Lesley Jones, Jonathan L Haines, Christophe Tzourio, Lenore J Launer, Valentina Escott-Price, Richard Mayeux, Jean-François Deleuze, Najaf Amin, Peter A Holmans, Margaret A Pericak-Vance, Philippe Amouyel, Cornelia M van Duijn, Alfredo Ramirez, Li-San Wang, Jean-Charles Lambert, Sudha Seshadri, Julie Williams, Gerard D Schellenberg
We identified rare coding variants associated with Alzheimer's disease in a three-stage case-control study of 85,133 subjects. In stage 1, we genotyped 34,174 samples using a whole-exome microarray. In stage 2, we tested associated variants (P < 1 × 10(-4)) in 35,962 independent samples using de novo genotyping and imputed genotypes. In stage 3, we used an additional 14,997 samples to test the most significant stage 2 associations (P < 5 × 10(-8)) using imputed genotypes. We observed three new genome-wide significant nonsynonymous variants associated with Alzheimer's disease: a protective variant in PLCG2 (rs72824905: p...
September 2017: Nature Genetics
https://www.readbyqxmd.com/read/28552437/tofacitinib-an-oral-janus-kinase-inhibitor-in-patients-from-mexico-with-rheumatoid-arthritis-pooled-efficacy-and-safety-analyses-from-phase-3-and-lte-studies
#10
Ruben Burgos-Vargas, Mario Cardiel, Daniel Xibillé, César Pacheco-Tena, Virginia Pascual-Ramos, Carlos Abud-Mendoza, Ehab Mahgoub, Mahboob Rahman, Haiyun Fan, Ricardo Rojo, Erika García, Karina Santana
OBJECTIVES: Tofacitinib is an oral Janus kinase inhibitor for the treatment of rheumatoid arthritis (RA). We characterized efficacy and safety of tofacitinib in Mexican patients from RA Phase 3 and long-term extension (LTE) studies. METHODS: Data from Mexican patients with RA and an inadequate response to disease-modifying antirheumatic drugs (DMARDs) were taken from four Phase 3 studies (pooled across studies) and one open-label LTE study of tofacitinib. Patients received tofacitinib 5 or 10mg twice daily, adalimumab (one Phase 3 study) or placebo (four Phase 3 studies) as monotherapy or in combination with conventional synthetic DMARDs...
May 25, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28482144/open-label-phase-ii-study-to-assess-the-efficacy-and-safety-of-canakinumab-treatment-in-active-hyperimmunoglobulinemia-d-with-periodic-fever-syndrome
#11
Juan I Arostegui, Jordi Anton, Inmaculada Calvo, Angel Robles, Estibaliz Iglesias, Berta López-Montesinos, Romain Banchereau, Seunghee Hong, Yolandi Joubert, Guido Junge, Virginia Pascual, Jordi Yagüe
OBJECTIVE: To evaluate the efficacy and safety of canakinumab treatment in active hyperimmunoglobulinemia D with periodic fever syndrome (HIDS). METHODS: This was a 3-part open-label study with an initial 6-month treatment period in which patients with HIDS (n = 9) received canakinumab subcutaneously at a dose of 300 mg (or 4 mg/kg for those weighing ≤40 kg) every 6 weeks (period 1 [P1]), followed by a 6-month withdrawal period (period 2 [P2]), and then a 24-month extension treatment period with canakinumab at the same dose (period 3 [P3])...
August 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28339992/rheumatoid-arthritis-specific-cardiovascular-risk-scores-are-not-superior-to-general-risk-scores-a-validation-analysis-of-patients-from-seven-countries
#12
Cynthia S Crowson, Sherine E Gabriel, Anne Grete Semb, Piet L C M van Riel, George Karpouzas, Patrick H Dessein, Carol Hitchon, Virginia Pascual-Ramos, George D Kitas
Objectives: Cardiovascular disease (CVD) risk calculators developed for the general population do not accurately predict CVD events in patients with RA. We sought to externally validate risk calculators recommended for use in patients with RA including the EULAR 1.5 multiplier, the Expanded Cardiovascular Risk Prediction Score for RA (ERS-RA) and QRISK2. Methods: Seven RA cohorts from UK, Norway, Netherlands, USA, South Africa, Canada and Mexico were combined. Data on baseline CVD risk factors, RA characteristics and CVD outcomes (including myocardial infarction, ischaemic stroke and cardiovascular death) were collected using standardized definitions...
July 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28330867/influenza-vaccines-differentially-regulate-the-interferon-response-in-human-dendritic-cell-subsets
#13
Shruti Athale, Romain Banchereau, LuAnn Thompson-Snipes, Yuanyuan Wang, Karolina Palucka, Virginia Pascual, Jacques Banchereau
Human dendritic cells (DCs) play a fundamental role in the initiation of long-term adaptive immunity during vaccination against influenza. Understanding the early response of human DCs to vaccine exposure is thus essential to determine the nature and magnitude of maturation signals that have been shown to strongly correlate with vaccine effectiveness. In 2009, the H1N1 influenza epidemics fostered the commercialization of the nonadjuvanted monovalent H1N1 California vaccine (MIV-09) to complement the existing nonadjuvanted trivalent Fluzone 2009-2010 vaccine (TIV-09)...
March 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28161396/the-method-used-to-set-the-pass-mark-in-an-objective-structured-clinical-examination-defines-the-performance-of-candidates-for-certification-as-rheumatologists
#14
Virginia Pascual-Ramos, Gabriel Medrano-Ramírez, Eunice Solís-Vallejo, Ana Guilaisne Bernard-Medina, Diana Elsa Flores-Alvarado, Margarita Portela-Hernández, María Del Rocío Maldonado-Velázquez, Luis Javier Jara-Quezada, Luis Manuel Amezcua-Guerra, Judith López-Zepeda, Miguel Ángel Saavedra, César Alejandro Arce-Salinas
BACKGROUND: The Mexican Accreditation Council for Rheumatology certifies trainees (TR) on an annual basis using both a multiple-choice question (MCQ) test and an objective structured clinical examination (OSCE). For 2013 and 2014, the OSCE pass mark (PM) was set by criterion referencing as ≥6 (CPM), whereas overall rating of borderline performance method (BPM) was added for 2015 and 2016 accreditations. We compared OSCE TR performance according to CPM and BPM, and examined whether correlations between MCQ and OSCE were affected by PM...
February 1, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28142321/understanding-human-autoimmunity-and-autoinflammation-through-transcriptomics
#15
Romain Banchereau, Alma-Martina Cepika, Jacques Banchereau, Virginia Pascual
Transcriptomics, the high-throughput characterization of RNAs, has been instrumental in defining pathogenic signatures in human autoimmunity and autoinflammation. It enabled the identification of new therapeutic targets in IFN-, IL-1- and IL-17-mediated diseases. Applied to immunomonitoring, transcriptomics is starting to unravel diagnostic and prognostic signatures that stratify patients, track molecular changes associated with disease activity, define personalized treatment strategies, and generally inform clinical practice...
April 26, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/28038927/cellular-immune-response-to-%C3%AE-2-glycoprotein-i-valine-leucine-247-phenotypes-in-mexican-patients-with-primary-antiphospholipid-syndrome
#16
Carlos A Núñez-Álvarez, Diego F Hernández-Ramírez, Araceli Martinez-Castillo, Virginia Pascual Ramos, Javier Cabiedes, Alicia Ortega, Antonio R Cabral
Homozygote genotype V(247) of the β2-glycoprotein-I (β2GP-I) gene has been associated with anti-β2GP-I and thrombosis in patients with primary anti-phospholipid syndrome APS (PAPS). However, the cellular immune response to β2GP-I(247) has been little studied. OBJECTIVE: To evaluate the immune cellular proliferation in response to native and non-native β2GP-I(247) valine/leucine phenotype from Mexican patients with PAPS. METHODS: We studied 10 patients with PAPS and 10 healthy control subjects (HC)...
February 2017: Human Immunology
https://www.readbyqxmd.com/read/28031441/modular-transcriptional-repertoire-analyses-identify-a-blood-neutrophil-signature-as-a-candidate-biomarker-for-lupus-nephritis
#17
Noémie Jourde-Chiche, Elizabeth Whalen, Bertrand Gondouin, Cate Speake, Vivian Gersuk, Bertrand Dussol, Stephane Burtey, Virginia Pascual, Damien Chaussabel, Laurent Chiche
Objective.: LN is a severe complication of SLE. Non-invasive biomarkers are needed for identifying patients at risk of a renal flare, for differentiating proliferative from non-proliferative forms and for assessing prognoses for LN. Methods.: We assessed the link between blood transcriptional signatures and LN using blood samples from patients with biopsy-proven LN, extra-renal SLE flares or quiescent SLE. Healthy controls, and control patients with glomerular diseases or bacterial sepsis were included...
March 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/27861472/-rheumatoid-arthritis-ra-disease-activity-predicts-function-of-abcb1-p-gp-and-abcg2-bcrp1-drug-efflux-transporters
#18
Virginia Pascual-Ramos, Yemil Atisha-Fregoso, Guadalupe Lima, Hilda Fragoso-Loyo, Juan Jákez-Ocampo, Irazú Contreras-Yáñez, Luis Llorente
BACKGROUND: P-gp and BCRP1 are transporter proteins that may confer drug resistance. OBJECTIVE: To compare P-gp and BCRP1 function in rheumatoid arthritis patients with active and inactive disease and to define their relation with disease activity. METHODS: We included 17 active patients paired (age, gender, disease duration) to 17 inactive patients. All had baseline evaluations and 27 had additional six-month follow-up. P-gp and BCRP1 functional activity was measured in peripheral mononuclear cells by flow cytometry...
November 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27773052/identification-of-a-pathogenic-variant-in-trex1-in-early-onset-cerebral-sle-by-whole-exome-sequencing
#19
Julia I Ellyard, Rebekka Jerjen, Jaime L Martin, Adrian Lee, Matthew A Field, Simon H Jiang, Jean Cappello, Svenja K Naumann, T Daniel Andrews, Hamish S Scott, Marco G Casarotto, Christopher C Goodnow, Jeffrey Chaitow, Virginia Pascual, Paul Hertzog, Stephen I Alexander, Matthew C Cook, Carola G Vinuesa
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27706152/the-transcriptional-signature-of-active-tuberculosis-reflects-symptom-status-in-extra-pulmonary-and-pulmonary-tuberculosis
#20
Simon Blankley, Christine M Graham, Jacob Turner, Matthew P R Berry, Chloe I Bloom, Zhaohui Xu, Virginia Pascual, Jacques Banchereau, Damien Chaussabel, Ronan Breen, George Santis, Derek M Blankenship, Marc Lipman, Anne O'Garra
BACKGROUND: Mycobacterium tuberculosis infection is a leading cause of infectious death worldwide. Gene-expression microarray studies profiling the blood transcriptional response of tuberculosis (TB) patients have been undertaken in order to better understand the host immune response as well as to identify potential biomarkers of disease. To date most of these studies have focused on pulmonary TB patients with gene-expression profiles of extra-pulmonary TB patients yet to be compared to those of patients with pulmonary TB or sarcoidosis...
2016: PloS One
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