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141 papers 25 to 100 followers
By David Herrera Rheuma
https://www.readbyqxmd.com/read/28420071/pleuropulmonary-involvement-in-patients-with-systemic-lupus-erythematosus-from-a-latin-american-inception-cohort-gladel
#1
M J Haye Salinas, F Caeiro, V Saurit, A Alvarellos, D Wojdyla, H R Scherbarth, A C de O E Silva, J C Tavares Brenol, L T Lavras Costallat, O J Neira, A Iglesias Gamarra, G Vásquez, G A Reyes Llerena, L A Barile-Fabris, L H Silveira, M J Sauza Del Pozo, E M Acevedo Vásquez, J L Alfaro Lozano, M H Esteva Spinetti, G S Alarcón, B A Pons-Estel
Objectives The objectives of this study were to examine the demographic and clinical features associated with the occurrence of pleuropulmonary manifestations, the predictive factors of their occurrence and their impact on mortality in systemic lupus erythematosus (SLE) patients. Materials and methods The association of pleuropulmonary manifestations with demographic and clinical features, the predictive factors of their occurrence and their impact on mortality were examined in GLADEL patients by appropriate univariable and multivariable analyses...
November 2017: Lupus
https://www.readbyqxmd.com/read/29167393/what-evidence-do-we-need-for-biomarker-qualification
#2
REVIEW
Chris Leptak, Joseph P Menetski, John A Wagner, Jiri Aubrecht, Linda Brady, Martha Brumfield, William W Chin, Steve Hoffmann, Gary Kelloff, Gabriela Lavezzari, Rajesh Ranganathan, John-Michael Sauer, Frank D Sistare, Tanja Zabka, David Wholley
Biomarkers can facilitate all aspects of the drug development process. However, biomarker qualification-the use of a biomarker that is accepted by the U.S. Food and Drug Administration-needs a clear, predictable process. We describe a multistakeholder effort including government, industry, and academia that proposes a framework for defining the amount of evidence needed for biomarker qualification. This framework is intended for broad applications across multiple biomarker categories and uses.
November 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28966207/the-fascinating-paradox-of-osteoporosis-in-axial-spondyloarthropathy
#3
REVIEW
Gillian E Fitzgerald, Finbar D O'Shea
Low bone mineral density (BMD) is a recognized feature of axial spondyloarthropathy (axSpA). However, the osteoproliferation inherent in axSpA can make traditional dual-energy x-ray absorptiometry assessment inaccurate, particularly in structurally advanced disease. As a result, much about osteoporosis in axSpA is unknown. There is a wide variation in prevalence figures for low BMD in the literature. There is also no consensus regarding risk factors for developing low BMD in axSpA. It is accepted that there is an excess of vertebral fractures in patients with axSpA, but the role of low BMD in contributing to this risk is virtually unknown...
December 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28420062/intravenous-immunoglobulin-a-biological-corticosteroid-sparing-agent-in-some-autoimmune-conditions
#4
A Watad, H Amital, Y Shoenfeld
Intravenous immunoglobulin (IVIg) is increasingly used for the treatment of autoimmune and systemic inflammatory diseases. This compound is effective in a wide range of clinical conditions other than primary immunodeficiency, including autoimmune diseases, inflammatory disorders, infections, organ transplantation, and possibly supportive therapy for cancer. Systemic corticosteroids remain the gold standard treatment for many autoimmune diseases, but their long-term use is associated with complications in diverse organs and systems...
September 2017: Lupus
https://www.readbyqxmd.com/read/28436424/the-immunopathology-of-sepsis-and-potential-therapeutic-targets
#5
REVIEW
Tom van der Poll, Frank L van de Veerdonk, Brendon P Scicluna, Mihai G Netea
Sepsis is defined as a life-threatening organ dysfunction that is caused by a dysregulated host response to infection. In sepsis, the immune response that is initiated by an invading pathogen fails to return to homeostasis, thus culminating in a pathological syndrome that is characterized by sustained excessive inflammation and immune suppression. Our understanding of the key mechanisms involved in the pathogenesis of sepsis has increased tremendously, yet this still needs to be translated into novel targeted therapeutic strategies...
July 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28394237/neuropsychiatric-sle-from-animal-model-to-human
#6
REVIEW
R Pikman, S Kivity, Y Levy, M-T Arango, J Chapman, H Yonath, Y Shoenfeld, S G Gofrit
Animal models are a key element in disease research and treatment. In the field of neuropsychiatric lupus research, inbred, transgenic and disease-induced mice provide an opportunity to study the pathogenic routes of this multifactorial illness. In addition to achieving a better understanding of the immune mechanisms underlying the disease onset, supplementary metabolic and endocrine influences have been discovered and investigated. The ever-expanding knowledge about the pathologic events that occur at disease inception enables us to explore new drugs and therapeutic approaches further and to test them using the same animal models...
April 2017: Lupus
https://www.readbyqxmd.com/read/28405027/virus-genomes-reveal-factors-that-spread-and-sustained-the-ebola-epidemic
#7
Gytis Dudas, Luiz Max Carvalho, Trevor Bedford, Andrew J Tatem, Guy Baele, Nuno R Faria, Daniel J Park, Jason T Ladner, Armando Arias, Danny Asogun, Filip Bielejec, Sarah L Caddy, Matthew Cotten, Jonathan D'Ambrozio, Simon Dellicour, Antonino Di Caro, Joseph W Diclaro, Sophie Duraffour, Michael J Elmore, Lawrence S Fakoli, Ousmane Faye, Merle L Gilbert, Sahr M Gevao, Stephen Gire, Adrianne Gladden-Young, Andreas Gnirke, Augustine Goba, Donald S Grant, Bart L Haagmans, Julian A Hiscox, Umaru Jah, Jeffrey R Kugelman, Di Liu, Jia Lu, Christine M Malboeuf, Suzanne Mate, David A Matthews, Christian B Matranga, Luke W Meredith, James Qu, Joshua Quick, Suzan D Pas, My V T Phan, Georgios Pollakis, Chantal B Reusken, Mariano Sanchez-Lockhart, Stephen F Schaffner, John S Schieffelin, Rachel S Sealfon, Etienne Simon-Loriere, Saskia L Smits, Kilian Stoecker, Lucy Thorne, Ekaete Alice Tobin, Mohamed A Vandi, Simon J Watson, Kendra West, Shannon Whitmer, Michael R Wiley, Sarah M Winnicki, Shirlee Wohl, Roman Wölfel, Nathan L Yozwiak, Kristian G Andersen, Sylvia O Blyden, Fatorma Bolay, Miles W Carroll, Bernice Dahn, Boubacar Diallo, Pierre Formenty, Christophe Fraser, George F Gao, Robert F Garry, Ian Goodfellow, Stephan Günther, Christian T Happi, Edward C Holmes, Brima Kargbo, Sakoba Keïta, Paul Kellam, Marion P G Koopmans, Jens H Kuhn, Nicholas J Loman, N'Faly Magassouba, Dhamari Naidoo, Stuart T Nichol, Tolbert Nyenswah, Gustavo Palacios, Oliver G Pybus, Pardis C Sabeti, Amadou Sall, Ute Ströher, Isatta Wurie, Marc A Suchard, Philippe Lemey, Andrew Rambaut
The 2013-2016 West African epidemic caused by the Ebola virus was of unprecedented magnitude, duration and impact. Here we reconstruct the dispersal, proliferation and decline of Ebola virus throughout the region by analysing 1,610 Ebola virus genomes, which represent over 5% of the known cases. We test the association of geography, climate and demography with viral movement among administrative regions, inferring a classic 'gravity' model, with intense dispersal between larger and closer populations. Despite attenuation of international dispersal after border closures, cross-border transmission had already sown the seeds for an international epidemic, rendering these measures ineffective at curbing the epidemic...
April 20, 2017: Nature
https://www.readbyqxmd.com/read/28364275/magnetic-resonance-imaging-in-diffuse-idiopathic-skeletal-hyperostosis-similarities-to-axial-spondyloarthritis
#8
Uri Arad, Ori Elkayam, Iris Eshed
Diffuse idiopathic skeletal hyperostosis (DISH) is a non-inflammatory condition that involves calcification and ossification of the spinal ligaments and entheses. While, characteristic magnetic resonance imaging (MRI) lesions of the spine in patients with axial spondyloarthritis, another enthesitis-related disease, have been described and defined, there is a paucity of information regarding the MRI findings in DISH. The aim of this study was to describe the MRI findings of patients with DISH. We collected computed tomography studies with findings characteristic of DISH and that also had corresponding and concurrent MRI studies of the spine...
July 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28335797/poor-prognostic-factors-guiding-treatment-decisions-in-rheumatoid-arthritis-patients-a-review-of-data-from-randomized-clinical-trials-and-cohort-studies
#9
REVIEW
Katinka Albrecht, Angela Zink
Prognostic factors are used for treatment decisions in rheumatoid arthritis (RA). High disease activity, the early presence of erosions, and autoantibody positivity are the most frequently used poor prognostic factors but other features, such as functional disability, extraarticular disease, or multibiomarkers, are also assessed. Prognostic factors are incorporated in current treatment recommendations for the management of RA and are used as inclusion criteria in randomized controlled trials. They are defined heterogeneously and the relevance of a single or combined presence of poor prognostic factors remains unclear...
March 23, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27426947/aire-deficient-patients-harbor-unique-high-affinity-disease-ameliorating-autoantibodies
#10
Steffen Meyer, Martin Woodward, Christina Hertel, Philip Vlaicu, Yasmin Haque, Jaanika Kärner, Annalisa Macagno, Shimobi C Onuoha, Dmytro Fishman, Hedi Peterson, Kaja Metsküla, Raivo Uibo, Kirsi Jäntti, Kati Hokynar, Anette S B Wolff, Kai Krohn, Annamari Ranki, Pärt Peterson, Kai Kisand, Adrian Hayday
APS1/APECED patients are defined by defects in the autoimmune regulator (AIRE) that mediates central T cell tolerance to many self-antigens. AIRE deficiency also affects B cell tolerance, but this is incompletely understood. Here we show that most APS1/APECED patients displayed B cell autoreactivity toward unique sets of approximately 100 self-proteins. Thereby, autoantibodies from 81 patients collectively detected many thousands of human proteins. The loss of B cell tolerance seemingly occurred during antibody affinity maturation, an obligatorily T cell-dependent step...
July 28, 2016: Cell
https://www.readbyqxmd.com/read/28289923/tocilizumab-reverses-cerebral-vasculopathy-in-a-patient-with-homozygous-samhd1-mutation
#11
REVIEW
Michael Henrickson, Heng Wang
An auto-inflammatory syndrome consequent to SAMHD1 mutations involves cerebral vasculopathy characterized by multifocal stenosis and aneurysms within large arteries, moyamoya, chronic ischemia, and early-onset strokes (SAMS). While this condition involves the innate immune system, additional clinical features mimic systemic lupus erythematosus. Mutations in this gene can also cause a subset of the rare genetic condition Aicardi-Goutières syndrome. To date, no established therapy successfully prevents disease progression...
June 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28044055/immunometabolism-complex-metabolic-responses-to-microbial-stimuli
#12
Elisabeth Kugelberg
No abstract text is available yet for this article.
February 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28287110/t-cells-and-autoimmune-kidney-disease
#13
REVIEW
Abel Suárez-Fueyo, Sean J Bradley, David Klatzmann, George C Tsokos
Glomerulonephritis is traditionally considered to result from the invasion of the kidney by autoantibodies and immune complexes from the circulation or following their formation in situ, and by cells of the innate and the adaptive immune system. The inflammatory response leads to the proliferation and dysfunction of cells of the glomerulus, and invasion of the interstitial space with immune cells, resulting in tubular cell malfunction and fibrosis. T cells are critical drivers of autoimmunity and related organ damage, by supporting B-cell differentiation and antibody production or by directly promoting inflammation and cytotoxicity against kidney resident cells...
June 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28262773/metabolomics-for-clinical-use-and-research-in-chronic-kidney-disease
#14
REVIEW
Berthold Hocher, Jerzy Adamski
Chronic kidney disease (CKD) has a high prevalence in the general population and is associated with high mortality; a need therefore exists for better biomarkers for diagnosis, monitoring of disease progression and therapy stratification. Moreover, very sensitive biomarkers are needed in drug development and clinical research to increase understanding of the efficacy and safety of potential and existing therapies. Metabolomics analyses can identify and quantify all metabolites present in a given sample, covering hundreds to thousands of metabolites...
May 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28192415/immune-regulation-by-glucocorticoids
#15
REVIEW
Derek W Cain, John A Cidlowski
Endogenous glucocorticoids are crucial to various physiological processes, including metabolism, development and inflammation. Since 1948, synthetic glucocorticoids have been used to treat various immune-related disorders. The mechanisms that underlie the immunosuppressive properties of these hormones have been intensely scrutinized, and it is widely appreciated that glucocorticoids have pleiotropic effects on the immune system. However, a clear picture of the cellular and molecular basis of glucocorticoid action has remained elusive...
April 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28041616/giant-cell-arteritis
#16
REVIEW
Hyeon Jeong Cho, Justin Bloomberg, Jeffrey Nichols
No abstract text is available yet for this article.
March 2017: Disease-a-month: DM
https://www.readbyqxmd.com/read/27818504/do-antibodies-select-a-healthy-microbiota
#17
REVIEW
Jason L Kubinak, June L Round
Disruptions to the microbiota can have pathological consequences, which highlights the need to understand the factors that contribute to its stability. Although decades of research have focused on the importance of IgA during pathogenic infection, much of the IgA that is generated in the gut targets the resident commensal microorganisms. Despite this observation, the role of antibodies in regulating microbiota composition remains controversial and poorly understood. Here we propose that antibodies generated in response to microbial colonization of the gut shape the composition of the microbiota to benefit the health of the host through a process that we term antibody-mediated immunoselection (AMIS)...
December 2016: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/27687029/urinary-sediment-suggests-lupus-nephritis-histology
#18
M U Martínez-Martínez, L M de G Llamazares-Azuara, D Martínez-Galla, P B Mandeville, F Valadez-Castillo, S Román-Acosta, J A Borjas-García, C Abud-Mendoza
Objectives The objective of this paper was to evaluate correlations between kidney biopsy indexes (activity and chronicity) and urinary sediment findings; the secondary objective was to find which components of urinary sediment can discriminate proliferative from other classes of lupus nephritis. Methods Lupus nephritis patients scheduled for a kidney biopsy were included in our study. The morning before the kidney biopsy, we took urine samples from each patient. Receiver operating characteristic (ROC) curves were plotted to determine the area under the curve (AUC) of each test for detecting proliferative lupus nephritis; a classification tree was calculated to select a set of values that best-predicted lupus nephritis classes...
May 2017: Lupus
https://www.readbyqxmd.com/read/27305853/how-the-microbiota-shapes-rheumatic-diseases
#19
REVIEW
Tom Van de Wiele, Jens T Van Praet, Massimo Marzorati, Michael B Drennan, Dirk Elewaut
The human gut harbours a tremendously diverse and abundant microbial community that correlates with, and even modulates, many health-related processes. The mucosal interfaces are particularly active sites of microorganism-host interplay. Growing insight into the characteristic composition and functionality of the mucosal microbiota has revealed that the microbiota is involved in mucosal barrier integrity and immune function. This involvement affects proinflammatory and anti-inflammatory processes not only at the epithelial level, but also at remote sites such as the joints...
July 2016: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/27365430/immunology-fighting-autoimmunity-with-immune-cells
#20
Mitch Leslie
No abstract text is available yet for this article.
July 1, 2016: Science
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