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Anti cardiolipin antibody

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https://www.readbyqxmd.com/read/29565968/blood-coagulation-abnormalities-in-multibacillary-leprosy-patients
#1
Débora Santos da Silva, Lisandra Antonia Castro Teixeira, Daniela Gois Beghini, André Teixeira da Silva Ferreira, Márcia de Berredo Moreira Pinho, Patricia Sammarco Rosa, Marli Rambaldi Ribeiro, Monica Di Calafiori Freire, Mariana Andrea Hacker, José Augusto da Costa Nery, Maria Cristina Vidal Pessolani, Ana Maria Freire Tovar, Euzenir Nunes Sarno, Jonas Perales, Fernando Augusto Bozza, Danuza Esquenazi, Robson Queiroz Monteiro, Flavio Alves Lara
BACKGROUND: Leprosy is a chronic dermato-neurological disease caused by Mycobacterium leprae infection. In 2016, more than 200,000 new cases of leprosy were detected around the world, representing the most frequent cause of infectious irreversible deformities and disabilities. PRINCIPAL FINDINGS: In the present work, we demonstrate a consistent procoagulant profile on 40 reactional and non-reactional multibacillary leprosy patients. A retrospective analysis in search of signs of coagulation abnormalities among 638 leprosy patients identified 35 leprosy patients (5...
March 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29547897/performance-evaluation-and-clinical-associations-of-immunoassays-that-detect-antibodies-to-negatively-charged-phospholipids-other-than-cardiolipin
#2
Amaris Castanon, Grant Pierre, Rohan Willis, E Nigel Harris, Elizabeth Papalardo, Zurina Romay-Penabad, Alvaro Schleh, Praveen Jajoria, Monica Smikle, Karel DeCeulaer, Anne Tebo, Troy Jaskowski, Marta M Guerra, D Ware Branch, Jane E Salmon, Michelle Petri, Emilio B Gonzalez
Objectives: We evaluate the performance characteristics of antiphosphatidylserine (anti-PS), antiphosphatidylinositol (anti-PI), and antiphospholipid mixture (APhL) enzyme-linked immunosorbent assays (ELISAs) compared with anticardiolipin (aCL) and anti-β2 glycoprotein I (anti-β2GPI) in a large group of patients with antiphospholipid (aPL)-related diseases. Methods: Serum samples from 548 patients from the Hopkins and Jamaican systemic lupus erythematosus cohorts, the PROMISSE cohort, and the Antiphospholipid Standardization Laboratory were examined for immunoglobulin G (IgG)/immunoglobulin M (IgM) positivity in aCL, anti-β2GPI, anti-PS, anti-PI, and APhL ELISA assays...
March 14, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29532744/associations-between-maternal-clinical-features-and-fetal-outcomes-in-pregnancies-of-mothers-with-connective-tissue-diseases
#3
Ayako Ohyama, Hiroto Tsuboi, Hisashi Noma, Mayu Terasaki, Masaru Shimizu, Hirofumi Toko, Fumika Honda, Mizuki Yagishita, Hiroyuki Takahashi, Hiromitsu Asashima, Shinya Hagiwara, Yuya Kondo, Isao Matsumoto, Takayuki Sumida
OBJECTIVES: The purpose of this study is to clarify associations between maternal clinical features and adverse pregnancy outcomes (APOs) in mothers with connective tissue diseases (CTDs). METHODS: We retrospectively examined maternal clinical features including backgrounds, autoantibodies, CTD flare-ups, and therapies during pregnancies as well as fetal outcomes in 90 pregnancies (66 mothers) at our hospital from January 2006 to September 2016. RESULTS: Underlying CTDs were SLE (N = 41), MCTD (N = 10), RA (N = 15), SS (N = 10), and others (N = 14)...
March 13, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29524102/neurological-autoantibodies-in-drug-resistant-epilepsy-of-unknown-cause
#4
Mehmet Tecellioglu, Ozden Kamisli, Suat Kamisli, Fatma Ebru Yucel, Cemal Ozcan
BACKGROUND: Autoimmune epilepsy is a rarely diagnosed condition. Recognition of the underlying autoimmune condition is important, as these patients can be resistant to antiepileptic drugs. AIMS: To determine the autoimmune and oncological antibodies in adult drug-resistant epilepsy of unknown cause and identify the clinical, radiological, and EEG findings associated with these antibodies according to data in the literature. METHODS: Eighty-two patients with drug-resistant epilepsy of unknown cause were prospectively identified...
March 9, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29519741/hydralazine-associated-vasculitis-overlapping-features-of-drug-induced-lupus-and-vasculitis
#5
Bharat Kumar, Jennifer Strouse, Melissa Swee, Petar Lenert, Manish Suneja
INTRODUCTION: Hydralazine is an antihypertensive medication that has been associated with drug-induced lupus erythematosus (DIL) as well as ANCA-associated vasculitis (AAV). Although rare, early diagnosis is critical since drug cessation is the mainstay of therapy. This retrospective study aims to characterize the clinical, laboratory, and histopathologic features of this disease. METHODS: Once approval was obtained from the Institutional Review Board at the University of Iowa, all patients carrying a diagnosis of vasculitis (ICD9 code: 447...
January 12, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29483518/cardiolipin-exposure-on-the-outer-mitochondrial-membrane-modulates-%C3%AE-synuclein
#6
Tammy Ryan, Vladimir V Bamm, Morgan G Stykel, Carla L Coackley, Kayla M Humphries, Rhiannon Jamieson-Williams, Rajesh Ambasudhan, Dick D Mosser, Stuart A Lipton, George Harauz, Scott D Ryan
Neuronal loss in Parkinson's disease (PD) is associated with aberrant mitochondrial function and impaired proteostasis. Identifying the mechanisms that link these pathologies is critical to furthering our understanding of PD pathogenesis. Using human pluripotent stem cells (hPSCs) that allow comparison of cells expressing mutant SNCA (encoding α-synuclein (α-syn)) with isogenic controls, or SNCA-transgenic mice, we show that SNCA-mutant neurons display fragmented mitochondria and accumulate α-syn deposits that cluster to mitochondrial membranes in response to exposure of cardiolipin on the mitochondrial surface...
February 26, 2018: Nature Communications
https://www.readbyqxmd.com/read/29455451/both-b-1a-and-b-1b-cells-exposed-to-mycobacterium-tuberculosis-lipids-differentiate-into-igm-antibody-secreting-cells
#7
Ciara Ordoñez, Hannah P Savage, Musharaf Tarajia, René Rivera, Cheyenne Weeks-Galindo, Dilcia Sambrano, Lee Riley, Patricia L Fernandez, Nicole Baumgarth, Amador Goodridge
Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis. The cellular immune response to Mycobacteria has been characterized extensively, but the antibody response remains underexplored. The present study aimed to examine whether host or bacterial phospholipids induce secretion of IgM, and specifically anti-phospholipid IgM, antibodies by B cells and to identify the responsible B cell subset. Here we show that peritoneal B cells responded to lipid antigens by secreting IgM antibodies. Specifically, stimulation with Mycobacterium tuberculosis H37Rv total lipids resulted in significant induction of total and anti-phosphatidylcholine IgM...
February 18, 2018: Immunology
https://www.readbyqxmd.com/read/29313959/cardiolipin-activates-antigen-presenting-cells-via-tlr2-pi3k-pkn1-akt-p38-nf-kb-signaling-to-prime-antigen-specific-na%C3%A3-ve-t-cells-in-mice
#8
Jung-Ah Cho, Tae-Joo Kim, Hye-Jung Moon, Young-Joo Kim, Hye-Kyung Yoon, Seung-Yong Seong
Mitochondrial defects and antimitochondrial cardiolipin (CL) antibodies are frequently detected in autoimmune disease patients. CL from dysregulated mitochondria activates various pattern recognition receptors, such as NLRP3. However, the mechanism by which mitochondrial CL activates APCs as a damage-associated molecular pattern to prime antigen-specific naïve T cells, which is crucial for T-cell-dependent anticardiolipin IgG antibody production in autoimmune diseases is unelucidated. Here, we show that CL increases the expression of costimulatory molecules in CD11c+ APCs both in vitro and in vivo...
January 4, 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/29301476/the-cutaneous-manifestations-are-significantly-related-to-cerebrovascular-in-a-serbian-cohort-of-patients-with-hughes-syndrome
#9
L Stojanovich, A Djokovic, N Stanisavljevic, M Zdravkovic
Objectives To investigate a possible relationship between cerebrovascular, such as stroke and transient ischaemic attack, and various cutaneous manifestations (livedo reticularis, skin ulcerations, pseudovasculitis lesions, superficial cutaneous necrosis and digital gangrene) in antiphospholipid syndrome (APS). This report is based on a Serbian cohort of APS patients. Methods A total of 508 antiphospholipid syndrome APS patients were assessed: 360 with primary (PAPS) and 148 with APS associated with SLE (SAPS)...
April 2018: Lupus
https://www.readbyqxmd.com/read/29238798/association-between-hypercoagulable-conditions-and-calciphylaxis-in-patients-with-renal-disease-a-case-control-study
#10
Allison S Dobry, Lauren N Ko, Jessica St John, J Mark Sloan, Sagar Nigwekar, Daniela Kroshinsky
Importance: Calciphylaxis is a rare skin disease with high morbidity and mortality that frequently affects patients with renal disease. Hypercoagulable conditions are frequently observed in both patients with calciphylaxis and those with chronic kidney disease (CKD), complicating our understanding of which hypercoagulable conditions are specific to calciphylaxis. Objective: To identify hypercoagulable conditions that are risk factors for developing calciphylaxis while controlling for CKD...
February 1, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29173689/esophageal-abnormalities-in-juvenile-localized-scleroderma-is-it-associated-with-other-extracutaneous-manifestations
#11
Clarissa C M Valões, Glaucia V Novak, Juliana B Brunelli, Katia T Kozu, Ricardo K Toma, Clovis A Silva
OBJECTIVE: To assess esophageal involvement (EI) in juvenile localized scleroderma (JLS) population and the possible association between this gastrointestinal manifestation and demographic data, clinical features, laboratory exams, treatments and outcomes. METHODS: For a period of 30 years, 5881 patients with rheumatic diseases were followed in our Pediatric Rheumatology Division. EI was defined by the presence of symptoms (solid/liquid dysphagia, heartburn, esophageal regurgitation, nausea/vomiting and epigastralgia) and confirmed by at least one EI exam abnormality: barium contrast radiography, upper gastrointestinal endoscopy and 24-hour esophageal pH-monitoring...
November 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/29103181/brain-magnetic-resonance-imaging-cerebrospinal-fluid-and-autoantibody-profile-in-118-patients-with-neuropsychiatric-lupus
#12
Zhen Tan, Yingbo Zhou, Xiangpei Li, Guosheng Wang, Jinhui Tao, Li Wang, Yan Ma, Xiaomei Li
The objective of this study is to analyze clinical manifestations, features of imaging, and laboratory assessment of patients with neuropsychiatric SLE (NPSLE) for better diagnosis and outcome prediction. One hundred eighteen NPSLE patients admitted to the Anhui Provincial Hospital in Hefei, China, between January 2006 and December 2016 were enrolled and analyzed retrospectively. All patients fulfilled the American College of Rheumatology revised classification criteria for SLE. Patients with NPSLE fulfilled the American College of Rheumatology (ACR) nomenclature and case definitions...
January 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29102596/assessment-of-novel-cardiovascular-biomarkers-in-women-with-a-history-of-recurrent-miscarriage
#13
M M Wagner, J W Jukema, W Hermes, S le Cessie, C J M de Groot, J A Bakker, J M M van Lith, K W M Bloemenkamp
OBJECTIVES: A history of recurrent miscarriage is associated with future cardiovascular disease. The aim of this study was to determine novel cardiovascular biomarkers in women with a history of recurrent miscarriage as this might lead to a better understanding of the association. STUDY DESIGN: Women who visited the recurrent miscarriage clinic at Leiden University Medical Centre (between 2000 and 2010), and had three consecutive miscarriages ≤30 years were invited to participate in this follow-up study (between 2012 and 2014)...
October 28, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29067844/clinical-feature-and-anti-phospholipid-antibody-profiles-of-pregnancy-failure-in-young-women-with-antiphospholipid-antibody-syndrome-treated-with-conventional-therapy
#14
Kayoko Kaneko, Shuko Mishima, Mikako Goto, Mari Mitsui, Shinji Tanigaki, Kenji Oku, Nobuaki Ozawa, Eisuke Inoue, Tatsuya Atsumi, Haruhiko Sago, Atsuko Murashima
OBJECTIVE: To elucidate clinical feature and anti-phospholipid antibody (aPL) profiles, including lupus anticoagulant (LA), anti-cardiolipin (CL) antibodies and anti-phosphatidylserine/prothrombin (PS/PT) antibodies, of pregnancy failure in patients with antiphospholipid antibody syndrome (APS) already treated with conventional therapy. MATERIALS AND METHODS: Thirty-four women with a history of pregnancy who were diagnosed with APS between 2008 and 2016 were included in the study...
October 25, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/29049363/oxidation-of-%C3%AE-2-glycoprotein-i-associates-with-igg-antibodies-to-domain-i-in-patients-with-antiphospholipid-syndrome
#15
Maria Gabriella Raimondo, Charis Pericleous, Anna Radziszewska, Maria Orietta Borghi, Silvia Pierangeli, Pier Luigi Meroni, Ian Giles, Anisur Rahman, Yiannis Ioannou
Domain I (DI) of beta-2-glycoprotein I (β2GPI) contains the immunodominant epitope for pathogenic antiphospholipid antibodies (aPL). DI is exposed in the linear form of the molecule but not in the circular form that comprises 90% of serum β2GPI. The majority of circulating β2GPI is biochemically reduced with two free thiols in Domain V. However, increased levels of oxidised β2GPI are found in patients with antiphospholipid syndrome (APS). It is not known whether oxidation of β2GPI favours the linear form of the molecule and thus promotes development of anti-DI antibodies...
2017: PloS One
https://www.readbyqxmd.com/read/28961286/asymptomatic-cutaneous-polyarteritis-nodosa-treatment-options-and-therapeutic-guidelines
#16
Kate Ross, Jessika Contreras, David Aung-Din, Mary Lien
Cutaneous polyarteritis nodosa (CPAN) is a rare cutaneous small- to medium-vessel vasculitis of unknown etiology. Clinically it ranges in manifestation from livedo reticularis to large cutaneous ulcers and necrosis. Prognosis is favorable and progression to systemic polyarteritis nodosa is rare. There are multiple treatment options, none of which have proven to be definitively effective. Cutaneous polyarteritis nodosa has been associated with abnormal antibody testing with elevations of antiphospholipid cofactor antibody, lupus anticoagulant, anticardiolipin antibody, and anti-β 2 -glycoprotein I-dependent cardiolipin antibodies, as well as elevated anti-phosphatidylserine-prothrombin complex antibody...
August 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28960143/antigenicity-analysis-of-human-parvovirus-b19-vp1u-protein-in-the-induction-of-anti-phospholipid-syndrome
#17
Chun-Yu Lin, Chun-Ching Chiu, Ju Cheng, Chia-Yun Lin, Ya-Fang Shi, Chun-Chou Tsai, Bor-Show Tzang, Tsai-Ching Hsu
Mounting evidence suggests a connection between human parvovirus B19 (B19) and autoimmune diseases, and especially an association between the B19-VP1 unique region (VP1u) and anti-phospholipid syndrome (APS). However, little is known about the antigenicity of B19-VP1u in the induction of APS-like syndrome. To elucidate the antigenicity of B19-VP1u in the induction of APS, N-terminal truncated B19-VP1u (tVP1u) proteins were prepared to immunize Balb/c mice to generate antibodies against B19-tVP1u proteins. The secreted phospholipase A2 (sPLA2) activities and binding specificity of mice anti-B19-tVP1u antibodies with cardiolipin (CL) and beta-2-glycoprotein I (β2GPI) were evaluated by performing immunoblot, ELISA and absorption experiments...
January 1, 2018: Virulence
https://www.readbyqxmd.com/read/28919518/depressed-serum-igm-levels-in-sle-are-restricted-to-defined-subgroups
#18
Caroline Grönwall, Uta Hardt, Johanna T Gustafsson, Kerstin Elvin, Kerstin Jensen-Urstad, Marika Kvarnström, Giorgia Grosso, Johan Rönnelid, Leonid Padykov, Iva Gunnarsson, Gregg J Silverman, Elisabet Svenungsson
Natural IgM autoantibodies have been proposed to convey protection from autoimmune pathogenesis. Herein, we investigated the IgM responses in 396 systemic lupus erythematosus (SLE) patients, divided into subgroups based on distinct autoantibody profiles. Depressed IgM levels were more common in SLE than in matched population controls. Strikingly, an autoreactivity profile defined by IgG anti-Ro/La was associated with reduced levels of specific natural IgM targeting phosphorylcholine (PC) antigens and malondialdehyde (MDA) modified-protein, as well as total IgM, while no differences were detected in SLE patients with an autoreactivity profile defined by anti-cardiolipin/β2 glycoprotein-I...
October 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28911832/association-of-silent-infarcts-in-sickle-cell-anemia-with-decreased-annexin-a5-resistance
#19
Kerry A Morrone, Lydia H Pecker, Jacob Rand, Jennifer Davila, Suzette Oyeku, Jane A Little, Xue Xiaonan, Deepa Manwani
BACKGROUND: Sickle cell anemia (SCA) is characterized by abnormally shaped, adhesive RBCs that interact with white blood cells and the endothelium, leading to chronic hemolysis, vasculopathy and a prothrombotic state. About 10% of subjects with a thrombotic event in the general population will have an associated antiphospholipid (aPL) antibody. One proposed mechanism for the thrombophilic nature of aPL antibodies is the disruption of the potent anticoagulant annexin A5 or Annexin A5 resistance (A5R)...
March 2018: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28860934/influence-of-antiphospholipid-antibody-positivity-on-glomerular-filtration-rate-markers-in-a-group-of-systemic-sclerosis-patients-a-24-month-observation
#20
Ewa Wielosz, Maria Majdan, Arkadiusz Koszarny, Magdalena Dryglewska, Jacek Tabarkiewicz
AIM OF THE STUDY: The aim of the study was the assessment of changes in the glomerular filtration rate (GFR) during long-term observation in a group of systemic sclerosis (SSc) patients with and without chronic antiphospholipid (aPL) antibody positivity. MATERIAL AND METHODS: The observation comprised 50 patients - 23 with diffuse cutaneous SSc - dcSSc and 27 limited cutaneous SSc - lcSSc. After 24 months we assessed 27 patients (9 died, 14 lost follow up); 24 patients (88%) were treated chronically with angiotensin-converting-enzyme inhibitors (ACEIs)...
2017: Central-European Journal of Immunology
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