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https://www.readbyqxmd.com/read/28811696/relationship-between-fetal-loss-and-serum-gonadal-hormones-level-in-experimental-antiphospholipid-syndrome-mouse
#1
Shanmugam Velayuthaprabhu, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Hidehiko Matsubayashi, Govindaraju Archunan
To investigate the effects of antiphospholipid antibodies on establishment of pregnancy and changes in hormones such as estradiol-17ß (E2) and progesterone (P) levels in circulation. Hence, mice were immunized with human β2-Glycoprotein I (β2GPI) and the effect of these antibodies on fetuses weight, placental obsrvation, Serum levels of P and E2 in pregnant mice, hematological were observed. Immunization of mice with human β2-GPI resulted in elevated levels of antiphospholipid antibodies. The experimentally induced antiphospholipid syndrome mouse showed higher rate of fetal resorption, low number of viable fetuses, and "placental abnormalities"...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28809090/the-association-between-p-selectin-glycoprotein-ligand-1-gene-variable-number-of-tandem-repeats-polymorphism-and-risk-of-thrombosis-in-beh%C3%A3-et-s-disease
#2
Fulya Cosan, Basar Oku, Ozgun M Gedar Totuk, Neslihan Abaci, Duran Ustek, Reyhan Diz Kucukkaya, Ahmet Gul
OBJECTIVES: Behçet's disease (BD) has been recognized as an unclassified type of vasculitis with an accompanying tendency to thrombosis. No disease-specific pathology has been demonstrated so far to explain the prothrombotic state, and this predisposition is considered to be associated with endothelial activation/dysfunction. P-selectin glycoprotein ligand-1 (PSGL-1) variable number of tandem repeat (VNTR) polymorphism has an impact on the protein length, and heterozygosity affect of the PSGL-1 to P-selectin interaction, which has been found to be associated with an increased risk of thrombosis in patients with antiphospholipid syndrome...
August 14, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28804831/solid-phase-immunoassay-for-the-detection-of-anti-%C3%AE-2-glycoprotein-i-antibodies
#3
Rohan Willis, Elizabeth Papalardo, E Nigel Harris
The discovery in the 1990s that the protein beta-2-glycoprotein I (β2GPI) was an antigen of central importance in the antiphospholipid syndrome (APS) was soon followed by the development of ELISA assays capable of identifying anti-β2GPI antibodies recognizing this antigen. The determination of these antibodies has continued to play a major role in the management of APS patients because of their extremely high specificity for diagnosing the disease, despite their relatively poor sensitivity compared to anticardiolipin antibodies...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804830/solid-phase-immunoassay-for-the-detection-of-anticardiolipin-antibodies
#4
Rohan Willis, Elizabeth Papalardo, E Nigel Harris
The anticardiolipin (aCL) test was first developed in the 1980s and proved to be a valuable addition to the lupus anticoagulant assay for identifying patients with a disorder that came to be later known as the antiphospholipid syndrome (APS). Although the test has relatively poor specificity for APS diagnosis, particularly at low positive levels, it has continued to play a major role in the identification and management of these patients because of its high sensitivity and ability to be measured in both serum and plasma, and despite concomitant presence of anticoagulants normally given to APS patients...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28804823/an-overview-of-thrombophilia-and-associated-laboratory-testing
#5
Martina Montagnana, Giuseppe Lippi, Elisa Danese
Venous thromboembolism, usually entailing deep vein thrombosis, pulmonary embolism, or both, is a complex and multifactorial disorder, in which a number of putative conditions interplay and finally contribute to propel the individual risk over a certain degree, so ultimately culminating in the development of venous occlusive disorders. Thrombophilia is commonly defined as a propensity to develop venous thromboembolism on the basis of an underlying hypercoagulable state attributable to inherited or acquired disorders of blood coagulation or fibrinolysis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28802775/catastrophic-antiphospholipid-syndrome-caps-induced-ischemic-pancreatic-ducts-injury-mimicking-intraductal-papillary-mucinous-neoplasm-ipmn
#6
Léa Savey, Jean-Charles Piette, Jérome Bellanger, Laurent Palazzo, Zahir Amoura, Alain Sauvanet, Jean-François Pouget-Abadie, Philippe Sogni, Joseph Emmerich, Nathalie Costedoat-Chalumeau
OBJECTIVES: Catastrophic antiphospholipid syndrome (CAPS) is a life-threatening disease characterized by multiple small-vessel occlusions of rapid onset. Ischemic pancreatic duct lesions secondary to CAPS have never been reported. METHODS: We describe 4 patients who presented lesions suspected to be intraductal papillary mucinous neoplasm (IPMN) of the pancreas following a CAPS. RESULTS: All patients had a history of CAPS months or years before the IPMN diagnosis...
July 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28800668/-epidemiology-risk-factors-and-risk-stratification-of-venous-thromboembolism-in-pregnancy-and-the-puerperium
#7
Panagiotis Tsikouras, Georg-Friedrich von Tempelhoff, Werner Rath
Venous thromboembolism (VTE) remains a leading cause of direct maternal deaths in the developed countries. The incidence of VTE has increased significantly during the past two decades. The absolute risk of VTE is estimated 0.6-2.2 per 1000 deliveries. Compared with age-matched non-pregnant women, the daily risk of VTE is increased 7- to 10-fold for antepartum VTE, but it is 15- to 35-fold for postpartum VTE. The incidence of pulmonary embolism (PE) during the first 6 weeks postpartum is nearly 15-fold higher compared to the incidence in pregnancy, and remains significantly increased up to 12 weeks postpartum...
August 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28780512/repeated-administration-of-dapirolizumab-pegol-in-a-randomised-phase-i-study-is-well-tolerated-and-accompanied-by-improvements-in-several-composite-measures-of-systemic-lupus-erythematosus-disease-activity-and-changes-in-whole-blood-transcriptomic-profiles
#8
Chris Chamberlain, Peter J Colman, Ann M Ranger, Linda C Burkly, Geoffrey I Johnston, Christian Otoul, Christian Stach, Miren Zamacona, Thomas Dörner, Murray Urowitz, Falk Hiepe
OBJECTIVES: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease associated with diffuse immune cell dysfunction. CD40-CD40 ligand (CD40L) interaction activates B cells, antigen-presenting cells and platelets. CD40L blockade might provide an innovative treatment for systemic autoimmune disorders. We investigated the safety and clinical activity of dapirolizumab pegol, a polyethylene glycol conjugated anti-CD40L Fab' fragment, in patients with SLE. METHODS: This 32-week randomised, double-blind, multicentre study (NCT01764594) evaluated repeated intravenous administration of dapirolizumab pegol in patients with SLE who were positive for/had history of antidouble stranded DNA/antinuclear antibodies and were on stable doses of immunomodulatory therapies (if applicable)...
August 5, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28770708/the-interaction-between-anti-ro-ssa-and-anti-la-ssb-autoantibodies-and-anti-infectious-antibodies-in-a-wide-spectrum-of-auto-immune-diseases-another-angle-of-the-autoimmune-mosaic
#9
Nancy Agmon-Levin, Amir Dagan, Yogev Peri, Juan-Manuel Anaya, Carlo Selmi, Angela Tincani, Nicola Bizzaro, Ljudmila Stojanovich, Jan Damoiseaux, Jan Willem Cohen Tervaert, Marta Mosca, Ricard Cervera, Yehuda Shoenfeld
OBJECTIVES: The presence of anti-Ro/SSA and anti-La/SSB antibodies has been linked with autoimmunity in general and with several autoimmune diseases (AID) in particular. In the current study we evaluated these antibodies in a wide spectrum of AID as well as the links between them and anti-infectious antibodies. METHODS: We examined 2082 sera from patients with 16 different AID compared to 524 sera from geographically-matched healthy controls, for the presence and titres of anti-Ro/SSA and anti-La/SSB...
July 6, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28770705/are-the-cutaneous-manifestations-in-patients-with-primary-antiphospholipid-syndrome-a-marker-for-predicting-lung-manifestations
#10
Milica Kontic, Ljudmila Stojanovich, Milena Mijailović-Ivković, Mladen Velinović, Jasminka Srnka, Marija Zdravkovic
OBJECTIVES: The aim of this study was to investigate association between pulmonary and skin manifestations in a large group of patients with primary antiphospholipid syndrome (PAPS) as well as their connection with antiphospholipid antibodies. METHODS: Our prospective study comprises of 390 patients with primary APS. Antiphospholipid antibody (aPL) analysis included detection of aCL (IgG/IgM), ß2GPI (IgG/IgM) and LA. Distinct pulmonary and skin associations were determined, as well as their associations with aPL...
July 17, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28770704/undifferentiated-connective-tissue-disease-predictors-of-evolution-into-definite-disease
#11
María García-González, Beatriz Rodríguez-Lozano, Sagrario Bustabad, Ivan Ferraz-Amaro
OBJECTIVES: The natural evolution of undifferentiated connective tissue diseases (UCTD) has not yet been established. The aim of our study was to analyse the clinical outcomes of a cohort of UCTD patients followed in a routine outpatient setting and to establish which clinical, serological or capillaroscopy features are associated with an increased risk of evolution to definite connective tissue disease (CTD). METHODS: Data for this study were collected by a retrospective review of 758 patients referred to our hospital, between 1999 and 2008, with suspected CTD...
August 2, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28769114/diagnosing-antiphospholipid-syndrome-extra-criteria-manifestations-and-technical-advances
#12
REVIEW
Savino Sciascia, Mary-Carmen Amigo, Dario Roccatello, Munther Khamashta
First described in the early 1980s, antiphospholipid syndrome (APS) is a unique form of acquired autoimmune thrombophilia in which patients present with clinical features of recurrent thrombosis and pregnancy morbidity and persistently test positive for the presence of antiphospholipid antibodies (aPL). At least one clinical (vascular thrombosis or pregnancy morbidity) and one lab-based (positive test result for lupus anticoagulant, anticardiolipin antibodies and/or anti-β2-glycoprotein 1 antibodies) criterion have to be met for a patient to be classified as having APS...
August 3, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28767989/report-of-a-rare-case-of-histiocytic-necrotizing-lymphadenitis-with-bilateral-pleural-effusion-diagnosed-via-cervical-lymph-node-biopsy
#13
Xuchun Liu, Shubin Huang, Guohua Jiang
CONTEXT: Histiocytic necrotizing lymphadenitis (HNL) is a rare disorder that is often benign and self-limiting. There have been reports of co-occurrence of HNL with other diseases, including systemic lupus erythematosus, hemophagocytic syndrome and antiphospholipid syndrome. CASE REPORT: Here, we report a case in which a patient experienced unexplained fever, swelling of the cervical lymph node and bilateral pleural effusion and was ultimately diagnosed with HNL based on results from a lymph node biopsy...
July 31, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28764618/hydroxychloroquine-in-the-primary-thrombosis-prophylaxis-of-antiphospholipid-antibody-positive-patients-without-systemic-autoimmune-disease
#14
D Erkan, O Unlu, S Sciascia, H M Belmont, D Ware Branch, M J Cuadrado, E Gonzalez, J S Knight, I Uthman, R Willis, Z Zhang, D Wahl, S Zuily, M G Tektonidou
Objective The objective of this study was to determine the efficacy of hydroxychloroquine (HCQ) in the primary thrombosis prevention of antiphospholipid antibody (aPL)-positive patients with no other systemic autoimmune diseases. Methods Under the auspices of Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking, a multicenter, international, randomized controlled trial (RCT) was initiated, in which persistently aPL-positive but thrombosis-free patients without systemic autoimmune diseases were randomized to receive HCQ or no treatment in addition to their standard regimen...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28764571/increased-c4d-and-bb-immunoreactivity-and-decreased-mbl-immunoreactivity-characterise-first-time-pathologic-first-trimester-miscarriage-a-case-control-study
#15
M Tunc Canda, Latife Doganay Caglayan, Namik Demir, Ragıp Ortaç
The role of the complement system in first-time pathologic first-trimester miscarriage was investigated. In this case-control study, tissue samples of 126 women with pathologic miscarriage and termination of normal pregnancies were assessed. The pathologic pregnancy group consisted of 40 women with missed miscarriage, 13 women with incomplete miscarriage and 10 women with a blighted ovum. The control group consisted of 63 normal-appearing pregnancies. Immunoreactivity for C4d, Bb and MBL was evaluated in the deciduas and villous trophoblasts separately using a semi-quantitative histological scoring system (H-score)...
August 1, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28763503/increased-heterogeneity-of-brain-perfusion-is-an-early-marker-of-central-nervous-system-involvement-in-antiphospholipid-antibody-carriers
#16
Ting-Syuan Lin, Pei-Ying Hsu, Chin-Hao Chang, Chi-Lun Ko, Yu-Min Kuo, Yen-Wen Wu, Ruoh-Fang Yen, Cheng-Han Wu, Ko-Jen Li, Yenh-Chen Hsein, Song-Chou Hsieh
OBJECTIVE: The non-criteria neuropsychiatric manifestations of antiphospholipid syndrome include headache, dizziness, vertigo, seizure, depression and psychosis. There were still no objective methods qualified to detect the early central nervous system involvement in non-criteria antiphospholipid syndrome. We evaluated the effectiveness of Tc-99m ECD SPECT in assessing circulatory insufficiency in the brains of patients with antiphospholipid antibodies and neuropsychiatric symptoms but without thromboembolism...
2017: PloS One
https://www.readbyqxmd.com/read/28762539/the-impact-of-antibody-profile-in-thrombosis-associated-with-primary-antiphospholipid-syndrome
#17
Sabrina da Silva Saraiva, Bruna de Moraes Mazetto, Lais Quinteiro Tobaldine, Marina Pereira Colella, Erich Vinícius De Paula, Joyce Annichinno-Bizzachi, Fernanda Andrade Orsi
Triple positivity (TP) for antiphospholipid antibodies(aPL) may identify aPL carriers with poorer prognosis. The clinical impact of TP in primary antiphospholipid syndrome(PAPS) remains unclear and further clinical evidences are needed to validate TP as a marker of severity. The aim of this study was to evaluate the impact of TP on the clinical course of PAPS with thrombosis(t-PAPS). We performed a retrospective analysis of a cohort of t-PAPS patients, comparing groups of patients with TP and non-TP profiles according to their demographic, clinical and laboratory features...
August 1, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28762061/direct-antiglobulin-coombs-test-in-systemic-lupus-erythematosus-patients
#18
Thelma Skare, Leandro Picelli, Thiago Alberto G Dos Santos, Renato Nisihara
The objective of the study is to study the positivity of Coombs test or direct antiglobulin test (DAT) in systemic lupus erythematosus (SLE) patients and its relationship with disease's clinical and serological profile. Retrospective study of 373 SLE patients seen at single Rheumatology Unit. Epidemiological data (age, gender, age at disease onset, auto declared ethnic background and tobacco use), clinical (malar rash, photosensitivity, oral ulcers, discoid lesions, serositis, glomerulonephritis, convulsions, psychosis, hemolytic anemia, leukopenia, lymphocytopenia and arthritis), and serological profile (anti ds DNA, anti Ro/SS-A; anti La/SS-B, Anti RNP, Anti Sm, aCl (anticardiolipin) IgG, aCl Ig M, LA or lupus anticoagulant, rheumatoid factor and direct Coombs) were collected...
July 31, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28756129/outcomes-of-threatened-abortions-after-anticoagulation-treatment-to-prevent-recurrent-pregnancy-loss
#19
Amihai Rottenstreich, Hagai Amsalem, Geffen Kleinstern, Yosef Kalish
We aimed to determine the outcome of threatened abortion in women treated with low-molecular weight heparin (LMWH) for recurrent pregnancy loss (RPL). Data of women with RPL who experienced threatened abortion while taking LMWH between 2007 and 2016 were retrospectively reviewed. All patients received the LMWH, enoxaparin (40 mg). Thrombophilia was present in 38 (33.3%) women, including 11 (9.6%) with antiphospholipid syndrome (APLS). The overall live birth rate was 58.8% (67/114). Live birth rates were 87...
July 3, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28755727/plasma-antiphospholipid-antibodies-effects-on-activated-partial-thromboplastin-time-assays
#20
Ke Yao, Lingyun Zhang, Hang Zhou, Ning Tang, Dengju Li
BACKGROUND: Activated partial thromboplastin time (aPTT) assays can be affected by plasma antiphospholipid antibodies (aPLs), but the degree of the interference is not easy to predict. This study aimed to investigate the effects on aPTT assay results of different types and combinations of aPLs, including anti-β2-glycoprotein I antibodies, anticardiolipin antibodies and lupus anticoagulant. MATERIALS AND METHODS: We retrospectively collected clinical information and laboratory tests from aPL-positive patients...
July 2017: American Journal of the Medical Sciences
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