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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
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 a 6-month treatment period (P1; 300 mg or 4 mg/kg q6w), a 6-month withdrawal period (P2), and a 24-month treatment period (P3). The primary endpoint was reduction in frequency of attacks during treatment period compared with the historical period (HP; period in which patients did not receive drugs other than NSAIDs and/or steroids)...
May 8, 2017: Arthritis & Rheumatology
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...
March 8, 2017: Rheumatology
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
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
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...
January 30, 2017: Annual Review of Immunology
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
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
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
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
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
Tae Whan Kim, Seunghee Hong, Yin Lin, Elise Murat, HyeMee Joo, Taeil Kim, Virginia Pascual, Yong-Jun Liu
Type I IFNs are crucial mediators of human innate and adaptive immunity and are massively produced from plasmacytoid dendritic cells (pDCs). IFN regulatory factor (IRF)7 is a critical regulator of type I IFN production when pathogens are detected by TLR 7/9 in pDC. However, hyperactivation of pDC can cause life-threatening autoimmune diseases. To avoid the deleterious effects of aberrant pDC activation, tight regulation of IRF7 is required. Nonetheless, the detailed mechanisms of how IRF7 transcription is regulated in pDC are still elusive...
October 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Ana K Romero-Guzmán, Víctor M Menchaca-Tapia, Irazú Contreras-Yáñez, Virginia Pascual-Ramos
BACKGROUND: In 2004, we initiated an inception cohort of patients with recent-onset rheumatoid arthritis (RA). Hand function was incorporated into evaluations from 2014 onward. The objectives were to examine hand function in our cohort, compare hand function with function in healthy controls and determine the factors associated with impaired function. METHODS: From February 2014 to June 2015, 139 patients (97.2 % of the cohort) had disease activity scored (28 joints, [DAS28]); the Michigan Hand Outcome Questionnaire (MHQ) and Disabilities of the Arm, Shoulder and Hand Outcome Measure (DASH) were completed, and the tip-, key- and palmar-pinch and grip strengths were measured...
September 15, 2016: BMC Musculoskeletal Disorders
Juan Manuel Castro, Virginia Angélica Bianchi, Mariano Pascual, Andrés Venturino, Carlos Marcelo Luquet
The aim of this work was to characterize the immune response (total hemocyte number, cell type proportion, hemocyte viability, lysosomal membrane stability, phagocytic activity, cellular acid and alkaline phosphatase activity, and humoral bacteriolytic and phenoloxidase activity) in Diplodon chilensis exposed to 0.2 mg/L of azinphos-methyl (AZM), using Escherichia coli as immunological and prooxidant challenge. Additionally, glutathione-S-transferase (GST) and lipid peroxidation (TBARS) were analyzed in gill tissue...
September 7, 2016: Environmental Toxicology and Chemistry
Yemil Atisha-Fregoso, Guadalupe Lima, Virginia Pascual-Ramos, Miguel Baños-Peláez, Hilda Fragoso-Loyo, Juan Jakez-Ocampo, Irazú Contreras-Yáñez, Luis Llorente
OBJECTIVE: To compare drug efflux function of ABCB1 and ABCG2 transporters in rheumatoid arthritis (RA) patients with active disease and in remission. METHODS: Twenty two active RA patients (DAS28 ≥3.2) and 22 patients in remission (DAS28<2.6) were selected from an early RA clinic. All patients were evaluated at study inclusion and six months later. ABCB1 and ABCG2 functional activity was measured in peripheral lymphocytes by flow cytometry. The percentage of cells able to extrude substrates for ABCB1 and ABCG2 was recorded...
2016: PloS One
Victor M Menchaca-Tapia, Elizabeth M Rodríguez, Irazú Contreras-Yáñez, Martin Iglesias-Morales, Virginia Pascual-Ramos
BACKGROUND: Up to 70% of patients with long-standing rheumatoid arthritis (RA) may present with rheumatic hand disease and benefit from hand surgical procedures (HSPs). OBJECTIVE: Through retrospective review, the present study aimed to report HSPs in RA patients at a tertiary care centre to identify patient adverse outcomes (AOs) and their predictors. METHODS: From 1989 to 2013, 96 patients who underwent ≥1 HSP(s) were identified from two local registries; their clinical records were independently reviewed by two trained physicians (surgeon and clinical) who used a standardized format...
2016: Plastic Surgery
Ma Blanca Pascual, Virginia Echevarria, Ma José Gonzalo, Lourdes Hernández-Apaolaza
It is well established the beneficial role of silicon (Si) in alleviating abiotic stress. However, it remains poorly understood the mechanisms of the Si-mediated protection against metal deficiency, especially the zinc (Zn) one. Recently, it has been proposed that Si may act by an interaction with this biometal in the root apoplast contributing to its movement through the plant, as in the case of Fe deficiency. In the present work, the effect of initial or continuous Si doses in soybean Zn deficient plants has been studied...
November 2016: Plant Physiology and Biochemistry: PPB
Virginia L Gaveglio, Ana C Pascual, Norma M Giusto, Susana J Pasquaré
The aim of this work was to study how age-related changes could modify several enzymatic activities that regulate lipid mediator levels in nuclei from rat cerebellum and how these changes are modulated by all-trans retinoic acid (RA), docosahexaenoic acid (DHA) and arachidonic acid (AA). The higher phosphatidate phosphohydrolase activity and lower diacylglycerol lipase (DAGL) activity observed in aged animals compared with adults could augment diacylglycerol (DAG) availability in the former. Additionally, monoacylglycerol (MAG) availability could be high due to an increase in lysophosphatidate phosphohydrolase (LPAPase) activity and a decrease in monocylglycerol lipase activity...
August 15, 2016: Archives of Biochemistry and Biophysics
Romain Banchereau, Seunghee Hong, Brandi Cantarel, Nicole Baldwin, Jeanine Baisch, Michelle Edens, Alma-Martina Cepika, Peter Acs, Jacob Turner, Esperanza Anguiano, Parvathi Vinod, Shaheen Khan, Gerlinde Obermoser, Derek Blankenship, Edward Wakeland, Lorien Nassi, Alisa Gotte, Marilynn Punaro, Yong-Jun Liu, Jacques Banchereau, Jose Rossello-Urgell, Tracey Wright, Virginia Pascual
No abstract text is available yet for this article.
June 2, 2016: Cell
José Antonio Allué, Leticia Sarasa, María Izco, Virginia Pérez-Grijalba, Noelia Fandos, María Pascual-Lucas, Samuel Ogueta, Pedro Pesini, Manuel Sarasa
APPswe/PS1dE9 and Tg2576 are very common transgenic mouse models of Alzheimer's disease (AD), used in many laboratories as tools to research the mechanistic process leading to the disease. In order to augment our knowledge about the amyloid-β (Aβ) isoforms present in both transgenic mouse models, we have developed two chromatographic methods, one acidic and the other basic, for the characterization of the Aβ species produced in the brains of the two transgenic mouse models. After immunoprecipitation and micro-liquid chromatography-electrospray ionization mass spectrometry/mass spectrometry, 10 species of Aβ, surprisingly all of human origin, were detected in the brain of Tg2576 mouse, whereas 39 species, of both murine and human origin, were detected in the brain of the APP/PS1 mouse...
May 30, 2016: Journal of Alzheimer's Disease: JAD
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