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Lupus Science & Medicine

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https://www.readbyqxmd.com/read/29387437/associations-between-type-i-interferon-and-antiphospholipid-antibody-status-differ-between-ancestral-backgrounds
#1
Taro Iwamoto, Jessica Dorschner, Meenakshi Jolly, Xiangyang Huang, Timothy B Niewold
Objective: The type I interferon pathway is activated in many patients with systemic lupus erythematosus (SLE), and anti-double-stranded DNA (dsDNA) and anti-RNA binding protein autoantibodies are correlated with high interferon-α (IFNα) activity. We studied whether antiphospholipid (APL) antibodies, which should not stimulate Toll-like receptors, are also associated with high levels of IFNα activity. Methods: Serum IFNα activity was measured in patients with SLE using the WISH cell bioassay...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29387436/very-delayed-lupus-nephritis-a-report-of-three-cases-and-literature-review
#2
André R Alexandre, Pedro L Carreira, David A Isenberg
Lupus nephritis (LN) affects up to 50% of patients with Systemic Lupus Erythematosus (SLE) and is associated with a worse prognosis. LN usually develops within the first 5 years of the onset of the disease. We report three patients with very delayed LN (DLN) diagnosed after 15 or more years after SLE diagnosis. The three patients were non-Caucasian women with adolescent or adult-onset SLE. Each had antinuclear, anti-dsDNA and anti-Ro antibodies. Hydroxychloroquine was prescribed for each. Their disease courses were characterised by sporadic non-renal flares controlled by steroids and, in two cases, by one cycle of rituximab...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29387435/mouse-models-of-lupus-what-they-tell-us-and-what-they-don-t
#3
Mara Lennard Richard, Gary Gilkeson
Lupus is a complex heterogeneous disease characterised by autoantibody production and immune complex deposition followed by damage to target tissues. Animal models of human diseases are an invaluable tool for defining pathogenic mechanisms and testing of novel therapeutic agents. There are perhaps more applicable murine models of lupus than any other human disease. There are spontaneous models of lupus, inducible models of lupus, transgenic-induced lupus, gene knockout induced lupus and humanised mouse models of lupus...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29344387/repository-corticotropin-injection-in-patients-with-persistently-active-sle-requiring-corticosteroids-post-hoc-analysis-of-results-from-a-two-part-52-week-pilot-study
#4
Richard A Furie, Margaret Mitrane, Enxu Zhao, Patrice M Becker
Objective: Post hoc analyses evaluated the effectiveness and safety of repository corticotropin injection (RCI) in patients with persistently active SLE over 52 weeks. Methods: Patients were initially randomised to 40 U daily or 80 U every other day RCI (n=26) or placebo (n=12) for the 8-week double-blind period. Completers entered the open-label extension (OLE; n=33) receiving 16, 40 or 80 U RCI 1-3 times/week and were followed through week 52. Outcomes included proportion of responders based on a novel index (resolution of joint or skin activity using hybrid Systemic Lupus Erythematosus Disease Activity Index (hSLEDAI) without any worsening British Isles Lupus Assessment Group (BILAG) scores in other organ systems) or revised novel index (using SLE Responder Index (SRI) definition of BILAG worsening (1A or 2B)), proportion of responders by SRI and changes in total hSLEDAI and BILAG scores...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29344386/current-and-future-therapies-for-sle-obstacles-and-recommendations-for-the-development-of-novel-treatments
#5
REVIEW
Zahi Touma, Dafna D Gladman
SLE is a serious, debilitating autoimmune disease that affects various organs and body systems. Of all the heterogeneous autoimmune diseases, SLE is perhaps the most heterogeneous. Patients with SLE, who are primarily female, have diverse disease manifestations and severity. SLE is characterised by substantial concentrations of autoantibodies against nuclear antigens, which are thought to be caused by immune cell dysregulation. Until recently, several immunosuppressant agents were used to treat this disease...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29259790/complement-levels-and-risk-of-organ-involvement-in-patients-with-systemic-lupus-erythematosus
#6
Ignacio Javier Gandino, Marina Scolnik, Emmanuel Bertiller, Valeria Scaglioni, Luis Jose Catoggio, Enrique Roberto Soriano
Objective: Complement plays a major role in SLE. Complement participation has been linked to disease activity and damage. Our objective was to estimate the association of complement behaviour with clinical manifestations, visceral injury and mortality in patients with SLE. Methods: Complement determinations (C3 and C4 levels) were analysed in patients with SLE (fulfilling American College of Rheumatology (ACR) or Systemic Lupus International Collaborating Clinics (SLICC)criteria) seen at a university hospital between 2000 and 2013...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29238603/early-proteinuria-response-a-valid-real-life-situation-predictor-of-long-term-lupus-renal-outcome-in-an-ethnically-diverse-group-with-severe-biopsy-proven-nephritis
#7
Michelle R Ugolini-Lopes, Luciana Parente C Seguro, Maitê Xavier F Castro, Danielle Daffre, Alex C Lopes, Eduardo F Borba, Eloisa Bonfá
Objective: Two recent important lupus nephritis trials reported that proteinuria was a good predictor of renal outcome in Caucasians, but data on real-life situation, other races and severe nephritis are lacking to substantiate this finding as a simple test to guide clinical practice. The aim of this study was to validate proteinuria as a predictor of long-term renal outcome in real-life situation in a racially diverse group of patients with severe nephritis. Methods: Proteinuria, serum creatinine (SCr) and urine red blood cells were assessed at baseline and after 3, 6 and 12 months, as early predictors of long-term renal outcome (SCr <1...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29238602/single-cell-gene-expression-patterns-in-lupus-monocytes-independently-indicate-disease-activity-interferon-and-therapy
#8
Zhongbo Jin, Wei Fan, Mark A Jensen, Jessica M Dorschner, George F Bonadurer, Danielle M Vsetecka, Shreyasee Amin, Ashima Makol, Floranne Ernste, Thomas Osborn, Kevin Moder, Vaidehi Chowdhary, Timothy B Niewold
Objectives: Important findings can be masked in gene expression studies of mixed cell populations. We examined single-cell gene expression in SLE patient monocytes in the context of clinical and immunological features. Methods: Monocytes were purified from patients with SLE and controls, and individually isolated for single-cell gene expression measurement. A panel of monocyte-related transcripts were measured in individual classical (CL) and non-classical (NCL) monocytes...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29238601/clinicians-approaches-to-management-of-background-treatment-in-patients-with-sle-in-clinical-remission-results-of-an-international-observational-survey
#9
Pintip Ngamjanyaporn, Eoghan M McCarthy, Jamie C Sergeant, John Reynolds, Sarah Skeoch, Benjamin Parker, Ian N Bruce
Background: The definition of remission in systemic lupus erythematosus (SLE) remains unclear, especially how background treatment should be interpreted. Objective: To determine preferences of clinicians in treatment of patients in clinical remission from SLE and to assess how previous severity, duration of remission and serology influence changes in treatment. Methods: We undertook an internet-based survey of clinicians managing patients with SLE...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214038/cell-bound-complement-activation-products-in-sle
#10
REVIEW
Rosalind Ramsey-Goldman, Jian Li, Thierry Dervieux, Roberta Vezza Alexander
Diagnosis of SLE is based on clinical manifestations and laboratory findings. Timely diagnosis and treatment are important to control disease activity and prevent organ damage. However, diagnosis is challenging because of the heterogeneity in clinical signs and symptoms, and also because the disease presents with alternating periods of flare and quiescence. As SLE is an autoimmune disease characterised by the formation of autoantibodies, diagnostic immunology laboratory tests for detecting and quantifying autoantibodies are commonly used for the diagnosis and classification of SLE...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214037/correlation-of-hypogammaglobulinaemia-with-proteinuria-and-the-relationship-between-hypogammaglobulinaemia-and-infection-in-active-lupus-nephritis
#11
Dawn Elaine Smilek, Noha Lim, Linna Ding, Sara G Murray, Betty Diamond, David Wofsy
Objective: To evaluate hypogammaglobulinaemia and risk of serious infectious adverse events in active lupus nephritis. Methods: The Abatacept and Cyclophosphamide Combination Efficacy and Safety Study (ACCESS) compared abatacept with placebo in participants with lupus nephritis undergoing treatment with Euro-Lupus Nephritis low-dose cyclophosphamide. Serum IgG levels were assessed prior to initiation of treatment and throughout the trial. Hypogammaglobulinaemia was defined as IgG <450 mg/dL...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214036/strong-viral-associations-with-sle-among-filipinos
#12
Evan S Vista, Michael H Weisman, Mariko L Ishimori, Hua Chen, Rebecka L Bourn, Ben F Bruner, Laniyati Hamijoyo, Robelle D Tanangunan, Noga J Gal, Julie M Robertson, John B Harley, Joel M Guthridge, Sandra V Navarra, Judith A James
Objectives: Epstein-Barr virus (EBV) is considered an important environmental factor in SLE aetiology, but the relationship between SLE and EBV in the Filipino population is unknown. We tested associations between SLE, lupus-associated autoantibodies and seropositivity for EBV and other herpes viruses in the Filipino population. Methods: Sera from Filipino patients with SLE (n=233), unaffected first-degree relatives (FDRs, n=543) and unrelated controls (n=221) were tested for antibodies against EBV, cytomegalovirus (CMV) and herpes simplex viruses (HSV-1 and HSV-2) by standardised ELISAs...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214035/cardiovascular-risk-profiles-in-a-lupus-cohort-what-do-different-calculators-tell-us
#13
Daniel Boulos, Rachel L Koelmeyer, Eric F Morand, Alberta Y Hoi
Background: Cardiovascular disease (CVD) is the leading cause of death worldwide and this risk is increased in patients with SLE who may not conform to traditional cardiovascular risk profiles. Aims: To determine the prevalence of high CVD risk among patients with SLE calculated using different risk calculators, and to characterise those identified as high risk. Methods: A cross-sectional analysis to estimate CVD risk using the Framingham Risk Equation (Framingham score) and an SLE-specific CVD risk equation (SLE score) was undertaken using data from a single centre cohort...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214034/identification-of-biomarkers-of-response-to-abatacept-in-patients-with-sle-using-deconvolution-of-whole-blood-transcriptomic-data-from-a-phase-iib-clinical-trial
#14
Somnath Bandyopadhyay, Sean E Connolly, Omar Jabado, June Ye, Sheila Kelly, Michael A Maldonado, Rene Westhovens, Peter Nash, Joan T Merrill, Robert M Townsend
Objective: To characterise patients with active SLE based on pretreatment gene expression-defined peripheral immune cell patterns and identify clusters enriched for potential responders to abatacept treatment. Methods: This post hoc analysis used baseline peripheral whole blood transcriptomic data from patients in a phase IIb trial of intravenous abatacept (~10 mg/kg/month). Cell-specific genes were used with a published deconvolution algorithm to identify immune cell proportions in patient samples, and unsupervised consensus clustering was generated...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29214033/lupus-related-single-nucleotide-polymorphisms-and-risk-of-diffuse-large-b-cell-lymphoma
#15
Sasha Bernatsky, Héctor A Velásquez García, John J Spinelli, Patrick Gaffney, Karin E Smedby, Rosalind Ramsey-Goldman, Sophia S Wang, Hans-Olov Adami, Demetrius Albanes, Emanuele Angelucci, Stephen M Ansell, Yan W Asmann, Nikolaus Becker, Yolanda Benavente, Sonja I Berndt, Kimberly A Bertrand, Brenda M Birmann, Heiner Boeing, Paolo Boffetta, Paige M Bracci, Paul Brennan, Angela R Brooks-Wilson, James R Cerhan, Stephen J Chanock, Jacqueline Clavel, Lucia Conde, Karen H Cotenbader, David G Cox, Wendy Cozen, Simon Crouch, Anneclaire J De Roos, Silvia de Sanjose, Simonetta Di Lollo, W Ryan Diver, Ahmet Dogan, Lenka Foretova, Hervé Ghesquières, Graham G Giles, Bengt Glimelius, Thomas M Habermann, Corinne Haioun, Patricia Hartge, Henrik Hjalgrim, Theodore R Holford, Elizabeth A Holly, Rebecca D Jackson, Rudolph Kaaks, Eleanor Kane, Rachel S Kelly, Robert J Klein, Peter Kraft, Anne Kricker, Qing Lan, Charles Lawrence, Mark Liebow, Tracy Lightfoot, Brian K Link, Marc Maynadie, James McKay, Mads Melbye, Thierry J Molina, Alain Monnereau, Lindsay M Morton, Alexandra Nieters, Kari E North, Anne J Novak, Kenneth Offit, Mark P Purdue, Marco Rais, Jacques Riby, Eve Roman, Nathaniel Rothman, Gilles Salles, Gianluca Severi, Richard K Severson, Christine F Skibola, Susan L Slager, Alex Smith, Martyn T Smith, Melissa C Southey, Anthony Staines, Lauren R Teras, Carrie A Thompson, Hervé Tilly, Lesley F Tinker, Anne Tjonneland, Jenny Turner, Claire M Vajdic, Roel C H Vermeulen, Joseph Vijai, Paolo Vineis, Jarmo Virtamo, Zhaoming Wang, Stephanie Weinstein, Thomas E Witzig, Andrew Zelenetz, Anne Zeleniuch-Jacquotte, Yawei Zhang, Tongzhang Zheng, Mariagrazia Zucca, Ann E Clarke
Objective: Determinants of the increased risk of diffuse large B-cell lymphoma (DLBCL) in SLE are unclear. Using data from a recent lymphoma genome-wide association study (GWAS), we assessed whether certain lupus-related single nucleotide polymorphisms (SNPs) were also associated with DLBCL. Methods: GWAS data on European Caucasians from the International Lymphoma Epidemiology Consortium (InterLymph) provided a total of 3857 DLBCL cases and 7666 general-population controls...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29188073/osteopontin-is-associated-with-disease-severity-and-antiphospholipid-syndrome-in-well-characterised-swedish-cases-of-sle
#16
Lina Wirestam, Martina Frodlund, Helena Enocsson, Thomas Skogh, Jonas Wetterö, Christopher Sjöwall
Objective: The variety of disease phenotypes among patients with SLE challenges the identification of new biomarkers reflecting disease activity and/or organ damage. Osteopontin (OPN) is an extracellular matrix protein with immunomodulating properties. Although raised levels have been reported, the pathogenic implications and clinical utility of OPN as a biomarker in SLE are far from clear. Thus, the aim of this study was to characterise OPN in SLE. Methods: Sera from 240 well-characterised adult SLE cases classified according to the American College of Rheumatology (ACR) and/or the Systemic Lupus International Collaborating Clinics (SLICC) criteria, and 240 population-based controls were immunoassayed for OPN...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29177061/illness-representations-of-systemic-lupus-erythematosus-and-systemic-sclerosis-a-comparison-of-patients-their-rheumatologists-and-their-general-practitioners
#17
Seher Arat, Jan L Lenaerts, Ellen De Langhe, Patrick Verschueren, Philip Moons, Joris Vandenberghe, Veerle Taelman, Rene Westhovens
Objective: Discrepancies in illness representations between patients and physicians result in treatment difficulties, decreased well-being of patients and misunderstandings and disrupted communication. Hence, the objective of this study was to compare illness perceptions of individual patients with systemic lupus erythematosus (SLE) and systemic sclerosis (SSc), their rheumatologists and their general practitioners (GPs) and explore potential differences. Methods: This study has a cross-sectional design...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29177060/predictors-of-incident-proteinuria-among-patients-with-sle
#18
Alí Duarte-García, Erik Barr, Laurence S Magder, Michelle Petri
Objective: To identify fixed and time-varying predictors of incident proteinuria. Methods: This analysis was based on patients who did not have a history of diabetes and who did not have a prior episode of renal involvement. We defined an incident case of proteinuria as two or more measures of urine protein to creatinine ratio (or 24-hour protein measure) greater than 0.5 in two visits separated by more than 30 days and less than 180 days. We estimated rates of incident proteinuria in subgroups of patients with lupus defined by time-invariant and time-varying predictors...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29118999/associates-and-predictors-of-pleurisy-or-pericarditis-in-sle
#19
Seungwon Ryu, Wei Fu, Michelle A Petri
Background/Purpose: Serositis is one of both ACR and SLICC classification criteria for systemic lupus erythematosus (SLE) and a common type of extra renal flare. However, little is known about clinical or immunological associations of pleurisy or pericarditis. The aim of this study is to analyze associates and predictors of pleurisy versus pericarditis in Caucasians and African Americans with SLE. Methods: 2,390 SLE patients in the Hopkins Lupus Cohort were analyzed for demographic, clinical and serologic associates of pleurisy or pericarditis, defined using the SELENA revision of the SLE Disease Activity Index (SLEDAI)...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29071092/the-role-of-microparticles-in-the-pathogenesis-of-sle-a-new-look-at-an-old-paradigm
#20
EDITORIAL
David Pisetsky
No abstract text is available yet for this article.
2017: Lupus Science & Medicine
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