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https://www.readbyqxmd.com/read/29051068/genotoxic-effect-and-antigen-binding-characteristics-of-sle-auto-antibodies-to-peroxynitrite-modified-human-dna
#1
Md Asad Khan, Khursheed Alam, Syed Hassan Mehdi, M Moshahid A Rizvi
Systemic lupus erythematosus (SLE) is an inflammatory autoimmune disease characterized by auto-antibodies against native deoxyribonucleic acid after modification and is one of the reasons for the development of SLE. Here, we have evaluated the structural perturbations in human placental DNA by peroxynitrite using spectroscopy, thermal denaturation and high-performance liquid chromatography (HPLC). Peroxynitrite is a powerful potent bi-functional oxidative/nitrative agent that is produced both endogenously and exogenously...
October 16, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29050536/the-correlation-of-urinary-podocytes-and-podocalyxin-with-histological-features-of-lupus-nephritis
#2
D Ikuma, K Hiromura, H Kajiyama, J Suwa, H Ikeuchi, T Sakairi, Y Kaneko, A Maeshima, H Kurosawa, Y Hirayama, K Yokota, Y Araki, K Sato, Y F Asanuma, Y Akiyama, M Hara, Y Nojima, T Mimura
Objectives The objective of this study was to test the correlation of urinary podocyte number (U-Pod) and urinary podocalyxin levels (U-PCX) with histology of lupus nephritis. Methods This was an observational, cross-sectional study. Sixty-four patients were enrolled: 40 with lupus nephritis and 24 without lupus nephritis (12 lupus nephritis patients in complete remission and 12 systemic lupus erythematosus patients without lupus nephritis). Urine samples were collected before initiating treatment. U-Pod was determined by counting podocalyxin-positive cells, and U-PCX was measured by sandwich ELISA, normalized to urinary creatinine levels (U-Pod/Cr, U-PCX/Cr)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29050535/antiphospholipid-antibodies-and-non-thrombotic-manifestations-of-systemic-lupus-erythematosus
#3
U İlgen, M E Yayla, A Ateş, İ E Okatan, E U Yurteri, M Torgutalp, A B D Keleşoğlu, T M Turgay, G Kınıklı
Objectives The aim of this study was to investigate the association between antiphospholipid antibodies and non-thrombotic and non-gestational manifestations of systemic lupus erythematosus. Methods Systemic lupus erythematosus patients with persistently positive antiphospholipid antibodies or lupus anticoagulant were identified and grouped as systemic lupus erythematosus with antiphospholipid syndrome (SLE-APS), systemic lupus erythematosus with positive antiphospholipid antibodies/lupus anticoagulant without antiphospholipid syndrome (SLE-aPL), and systemic lupus erythematosus with negative aPLs (SLE-No aPL)...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29050534/low-copy-numbers-of-complement-c4-and-homozygous-deficiency-of-c4a-may-predispose-to-severe-disease-and-earlier-disease-onset-in-patients-with-systemic-lupus-erythematosus
#4
M Jüptner, F Flachsbart, A Caliebe, W Lieb, S Schreiber, R Zeuner, A Franke, J O Schröder
Objectives Low copy numbers and deletion of complement C4 genes are potent risk factors for systemic lupus erythematosus (SLE). However, it is not known whether this genetic association affects the clinical outcome. We investigated C4 copy number variation and its relationship to clinical and serological features in a Northern European lupus cohort. Methods We genotyped the C4 gene locus using polymerase chain reaction (PCR)-based TaqMan assays in 169 patients with SLE classified according to the 1997 revised American College of Rheumatology (ACR) criteria and in 520 matched controls...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/29045037/autoantibodies-targeting-ficolin-2-in-systemic-lupus-erythematosus-patients-with-active-nephritis
#5
Sophie Colliard, Noémie Jourde-Chiche, Giovanna Clavarino, Françoise Sarrot-Reynauld, Evelyne Gout, Alban Deroux, Mélanie Fougere, Nathalie Bardin, Laurence Bouillet, Jean-Yves Cesbron, Nicole M Thielens, Chantal Dumestre-Pérard
OBJECTIVE: Systemic lupus erythematosus (SLE) is a multi-system inflammatory disease characterized by production of various autoantibodies. The aim of this study was to investigate the presence of anti-ficolin-2 antibodies in SLE patients and to evaluate the association between the levels of these autoantibodies, clinical manifestations, and disease activity. METHODS: This is a comparative study using a cohort of 165 SLE patients and 48 healthy subjects. SLE patients were further divided into two groups, with "low disease activity" (SLEDAI score ≤ 4, n = 88) and with "high disease activity" (SLEDAI score > 4, n = 77)...
October 17, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/29040209/inherited-and-acquired-clinical-phenotypes-associated-with-neuroendocrine-tumors
#6
Rory E Nicholaides, M Teresa de la Morena
PURPOSE OF REVIEW: Overview of neuroendocrine neoplasms in the context of their associations with primary and secondary immunodeficiency states. RECENT FINDINGS: Malignancies of neuroendocrine origin are well known to be associated with hereditary syndromes, including multiple endocrine neoplasia type 1, von Hippel-Lindau syndrome, neurofibromatosis type 1, and tuberous sclerosis. This review includes the X-linked form of hyper-IgM syndrome (XHIGM), due to mutations in the CD40Ligand gene (CD40LG), as an additional inherited disorder with susceptibility to such malignancies, and discusses neuroendocrine tumors (NETs) arising in other immunocompromised states...
October 16, 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29038189/nodular-pulmonary-amyloidosis-a-complex-disease-with-malignancy-association
#7
Jacob M Core, Ali A Alsaad, Liuyan Jiang, Neal M Patel
Pulmonary amyloidosis is a rare disease that incorporates deposition of amyloid microfibril material in the lung parenchyma. The condition generally presents as an indolent subacute-to-chronic pulmonary disease and requires tissue biopsy to establish the diagnosis. Nodular pulmonary amyloidosis, a subtype of pulmonary amyloidosis, is characterised by special radiographic and pathological features. While the disease can be associated with inflammatory conditions; its association with mucosal-associated lymphoid tissue (MALT lymphoma) is unusual and carries management challenges...
October 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29032605/non-apoptotic-functions-of-fas-cd95-in-the-immune-response
#8
REVIEW
Jean-Philippe Guégan, Patrick Legembre
CD95 (also known as Fas) is a member of the tumor necrosis factor receptor (TNFR) superfamily. Its cognate ligand, CD95L, is implicated in immune homeostasis and immune surveillance. Mutations in this receptor are associated with a loss of apoptotic signaling and have been detected in an autoimmune disorder called autoimmune lymphoproliferative syndrome (ALPS) type Ia, which shares some clinical features with systemic lupus erythematosus (SLE). In addition, deletions and mutations of CD95 have been described in many cancers, which led researchers to initially classify this receptor as a tumor suppressor...
October 15, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29032100/-severity-of-illness-index-in-autoimmune-diseases-have-there-any-usefulness-in-medical-practice
#9
A Saunier, M-A Vandenhende, P Morlat, F Bonnet
INTRODUCTION: Assessing disease activity in patients suffering from autoimmune diseases is complex. Symptoms are multiple, often subjective and there are no reliable biomarkers. Many activity scores have been implemented to compare treatment efficacy in clinical trials. Their use in clinical practice is largely unknown. We performed a practical survey to analyze the use of activity scores in clinical practice to consider treatment response and to assess the determinants of their use. METHODS: A sample of French internists answered a questionnaire about activity scores of systemic lupus erythematosus, Sjögren's syndrome, autoimmune myositis and necrotizing vasculitis of small vessels...
October 11, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29029629/effects-of-age-and-gender-on-reference-levels-of-biomarkers-comprising-the-pediatric-renal-activity-index-for-lupus-nephritis-p-rail
#10
Michael R Bennett, Qing Ma, Jun Ying, Prasad Devarajan, Hermine Brunner
BACKGROUND: Systemic Lupus Erythematosus (SLE) is a multisystem autoimmune disease that disproportionately effects women and children of minorities. Renal involvement (lupus nephritis, or LN) occurs in up to 80% of children with SLE and is a major determinant of poor prognosis. We have developed a non-invasive pediatric Renal Activity Index for Lupus (p-RAIL) that consists of laboratory measures that reflect histologic LN activity. These markers are neutrophil gelatinase associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), monocyte chemotactic protein (MCP-1), adiponectin (APN), ceruloplasmin (CP) and hemopexin (HPX)...
October 13, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29025354/cell-bound-complement-activation-products-as-lupus-biomarkers-diagnosis-monitoring-and-stratification
#11
Joseph M Ahearn, Chau-Ching Liu, Susan Manzi
Cell-bound complement activation products (CB-CAPs) were first reported in 2004, since which time multiple laboratories have demonstrated their value as biomarkers for diagnosis, monitoring, and stratification of patients with systemic lupus erythematosus. Areas Covered: This review summarizes the highlights of these 14 years of CB-CAPs discovery and validation, concluding with a view toward their future potential for precision medicine. Expert Commentary: The practice of medicine is both art and science and each physician can be considered both artist and scientist with a variable blend of the two skill sets...
October 13, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28992800/antimalarial-induced-cardiomyopathy-a-systematic-review-of-the-literature
#12
K Tselios, M Deeb, D D Gladman, P Harvey, M B Urowitz
Background Antimalarials (AMs) are widely used in the treatment of connective tissue diseases. Their main side effect is retinal damage, while heart disease has been described in isolated cases. The aim of this study is to systematically review the existing literature on AM-induced cardiomyopathy (AMIC). Methods The PubMed database was searched for heart biopsy-confirmed AMIC cases. Information on demographics, clinical presentation, concomitant AM-related toxicity, cardiological investigations, treatment and outcome were collected...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28992796/subcortical-gray-matter-atrophy-is-associated-with-cognitive-deficit-in-multiple-sclerosis-but-not-in-systemic-lupus-erythematosus-patients
#13
A Kalinowska-Łyszczarz, M A Pawlak, A Pietrzak, K Pawlak-Buś, P Leszczyński, M Puszczewicz, D Majewski, W Paprzycki, W Kozubski, S Michalak
Cognitive impairment is a significant clinical problem both in multiple sclerosis (MS) and systemic lupus erythematosus (SLE) patients. In MS cognitive dysfunction has been associated with brain atrophy and total demyelinating lesion volume. In SLE cognitive impairment is much less understood, and its link to structural brain damage remains to be established. The aim of this study was to identify the relationship between subcortical gray matter volume and cognitive impairment in MS and SLE. We recruited 37 MS and 38 SLE patients matched by age, disease duration and educational level...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28990859/hematoxylin-bodies-in-pediatric-bone-marrow-aspirates-and-their-utility-in-the-diagnosis-of-systemic-lupus-erythematosus
#14
Min Xu, Karen M Chisholm, Guang Fan, Anne M Stevens, Joe C Rutledge
In our recent case report, the finding of lupus erythematosus (LE) cells in a bone marrow aspirate led to the diagnosis of systemic lupus erythematosus (SLE) and appropriate treatment, although the patient was not clinically suspected to have SLE. To determine whether LE cells are present in the bone marrow aspirates of SLE patients, but overlooked in routine bone marrow morphology review, bone marrow aspirates from 30 pediatric patients (15 with SLE and 15 with other diagnoses) evaluated by rheumatologists were reviewed...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28968826/systemic-and-local-granzyme-b-levels-are-associated-with-disease-activity-kidney-damage-and-interferon-signature-in-systemic-lupus-erythematosus
#15
Helena M Kok, Lucas L van den Hoogen, Joel A G van Roon, Elisabeth J M Adriaansen, Ruth D E Fritsch-Stork, Tri Q Nguyen, Roel Goldschmeding, Timothy R D J Radstake, Niels Bovenschen
Objectives: Granzymes (Grs) are serine proteases that eliminate virally infected or tumour cells by inducing apoptosis. GrB has been shown to be associated to the pathophysiology of SLE, whereas the role of the other Grs in SLE remain unknown. Methods: Gr levels were determined in the serum of SLE patients and controls and linked to SLE activity parameters, including the IFN signature. In addition, GrB expression was investigated in LN biopsies and correlated to kidney function parameters and disease severity...
September 5, 2017: Rheumatology
https://www.readbyqxmd.com/read/28968513/prevalences-of-autoimmune-diseases-in-schizophrenia-bipolar-i-and-ii-disorder-and-controls
#16
Laura Cremaschi, Mathias Kardell, Viktoria Johansson, Anniella Isgren, Carl M Sellgren, A Carlo Altamura, Christina M Hultman, Mikael Landén
Previous studies on the relationship between autoimmune diseases, schizophrenia, and bipolar disorder are mainly based on hospital discharge registers with insufficient coverage of outpatient data. Furthermore, data is scant on the prevalence of autoimmune diseases in bipolar subgroups. Here we estimate the self-reported prevalences of autoimmune diseases in schizophrenia, bipolar disorder type I and II, and controls. Lifetime prevalence of autoimmune diseases was assessed through a structured interview in a sample of 9076 patients (schizophrenia N = 5278, bipolar disorder type I N = 1952, type II N = 1846) and 6485 controls...
September 28, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28951424/myd88-is-required-for-disease-development-in-a-primary-sj%C3%A3-gren-s-syndrome-mouse-model
#17
Jeremy Kiripolsky, Liam G McCabe, Daniel P Gaile, Jill M Kramer
Sjögren's syndrome (SS) is an autoimmune disease that often results in diminished exocrine gland function. SS patients also experience systemic disease manifestations, including hypergammaglobulinemia and pulmonary and renal pathoses. MyD88 is a ubiquitously expressed adaptor molecule used by all immune cells that is required for IL-1 receptor (IL-1R), IL-18R, and most TLR signaling. The precise role of MyD88 in SS has not been evaluated, although this adaptor is critical for development of lupus, a related autoimmune disease...
September 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28950993/validation-of-the-systemic-lupus-international-collaborating-clinics-classification-criteria-in-a-cohort-of-patients-with-full-house-glomerular-deposits
#18
Emilie C Rijnink, Y K Onno Teng, Tineke Kraaij, Olaf M Dekkers, Jan A Bruijn, Ingeborg M Bajema
In 2012, the Systemic Lupus International Collaborating Clinics (SLICC) presented a new classification for systemic lupus erythematosus (SLE). In this classification, biopsy-confirmed lupus nephritis with positive antinuclear or anti-double-stranded DNA antibodies became a stand-alone criterion. Because of the unknown diagnostic performance among patients from nephrology clinics, we aimed to test the validity of the SLICC classification, compared with the American College of Rheumatology classification, in a cohort of patients whose renal biopsies would raise the clinicopathologic suspicion of lupus nephritis...
September 23, 2017: Kidney International
https://www.readbyqxmd.com/read/28949280/childhood-nephrotic-syndrome-in-tropical-africa-then-and-now
#19
Wasiu A Olowu, Adebowale Ademola, Adebukola B Ajite, Yauba M Saad
This descriptive and comparative review examines the changing epidemiology, treatment, renal and patient outcome of childhood nephrotic syndrome (NS) in tropical Africa (TpAfr). In the 1960s to 1980s, corticosteroid-resistant non-minimal change disease (nMCD) including quartan malaria nephropathy (QMN) was the dominant renal histopathology type. The overall incidence of NS was 0.35-1.34% of hospital admissions. Median age at onset of NS ranged between 4.0 and 12.0 years while the mean (SD) age range was 5.8 (3...
September 26, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28944101/soluble-micb-in-plasma-and-urine-explains-population-expansions-of-nkg2d-cd4-t-cells-inpatients-with-juvenile-onset-systemic-lupus-erythematosus
#20
Satoru Hamada, Andrea Caballero-Benitez, Kate L Duran, Anne M Stevens, Thomas Spies, Veronika Groh
Abnormal NKG2D ligand expression has been implicated in the initiation and maintenance of various auto-inflammatory disorders including systemic lupus erythematosus (SLE). This study's goal was to identify the cellular contexts providing NKG2D ligands for stimulation of the immunosuppressive NKG2D(+)CD4 T cell subset that has been implicated in modulating juvenile-onset SLE disease activity. Although previous observations with NKG2D(+)CD4 T cells in healthy individuals pointed towards peripheral B cell and myeloid cell compartments as possible sites of enhanced NKG2DL presence, we found no evidence for a disease-associated increase of NKG2DL-positivity among juvenile-onset SLE B cells and monocytes...
March 2017: Open Journal of Immunology
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