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Pregnancy and antiphospholipid antibody

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https://www.readbyqxmd.com/read/28719914/the-significance-of-antibodies-against-domain-i-of-beta-2-glycoprotein-i-in-antiphospholipid-syndrome
#1
Hilde Kelchtermans, Walid Chayouâ, Bas de Laat
The antiphospholipid syndrome (APS) is characterized by vascular thrombosis and/or pregnancy morbidity with the persistent presence of antiphospholipid antibodies (aPLs). Progress is being made in understanding the pathogenesis of the syndrome, but difficulties persist in the identification of patients at risk for thrombosis and/or pregnancy morbidity. Beta-2 glycoprotein I (β2GPI), a plasma protein consisting of five sushi domains, is thought to be the main antigenic target of aPLs. Antibodies recognizing domain I of β2GPI are predominantly present in patients with an elevated risk of thrombosis, whereas antidomain IV/V antibodies are found in nonthrombotic autoimmune diseases...
July 18, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28707146/association-between-g1733a-rs6152-polymorphism-in-androgen-receptor-gene-and-recurrent-spontaneous-abortions-in-mexican-population
#2
Ángela Porras-Dorantes, Aniel Jessica Leticia Brambila-Tapia, Alma Benita Lazcano-Castellanos, Thiago Donizete Da Silva-José, Jesús Alejandro Juárez-Osuna, José Elías García-Ortiz
INTRODUCTION: Recurrent spontaneous abortion (RSA) is a multifactorial condition that occurs with a frequency of 0.2-5% in women of reproductive age. Among genetic factors, the single nucleotide polymorphism (SNP) G1733A in the androgen receptor (AR) gene has been associated with its presence in Greek and Iranian populations. Therefore, the aim of this study is to determine its possible association with RSA in this population. PATIENTS AND METHODS: A total of 156 Mexican RSA (with at least 2 consecutive abortions) unrelated patients and 152 unrelated healthy women were included, the presence of karyotype anomalies in the parents as well as uterine anomalies as well as antiphospholipid antibodies was excluded in patients; while all the controls presented at least two healthy pregnancies and no abortion...
July 13, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28678065/pregnancy-and-reproductive-aspects-of-systemic-lupus-erythematosus
#3
Laura Andreoli, Francesca Crisafulli, Angela Tincani
PURPOSE OF REVIEW: To discuss pregnancy and reproductive aspects in women with systemic lupus erythematosus (SLE) with particular focus on preconception counselling, maternal and foetal outcomes, safety and beneficial effects of drugs during pregnancy as well as contraception methods, assisted reproduction techniques and strategies for thromboembolism prophylaxis in patients with positive antiphospholipid antibodies. RECENT FINDINGS: Evidence-based recommendations for the management of family planning and women's health issues in SLE and/or APS have been developed by a multidisciplinary panel of experts...
July 3, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28667788/altered-%C3%AE-2-glycoprotein-i-expression-on-microparticles-in-the-presence-of-antiphospholipid-antibodies
#4
Fariborz Mobarrez, Iva Gunnarsson, Elisabet Svenungsson
BACKGROUND: Antiphospholipid antibodies (aPL) together with thrombosis and/or pregnancy morbidities characterize the antiphospholipid syndrome. β2-glycoprotein-I (β2 GPI), the most important antigen for aPL, is a scavenger molecule that specifically binds to phosphatidylserine (PS), expressed on microparticles (MPs). OBJECTIVES: We evaluated β2 GPI-expressing MPs in patients with systemic lupus erythematosus (SLE) stratified for aPL status, and healthy controls...
July 1, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28655939/increased-anti-hsp60-and-anti-hsp70-antibodies-in-women-with-unexplained-recurrent-pregnancy-loss
#5
Miwa Matsuda, Aiko Sasaki, Keiko Shimizu, Yasuhiko Kamada, Soichi Noguchi, Yuji Hiramatsu, Mikiya Nakatsuka
 Vascular dysfunction has been reported in women with recurrent pregnancy loss (RPL). We investigated the severity of vascular dysfunction in non-pregnant women with RPL and its correlation with anti-heat shock protein (HSP) antibodies that are known to induce arteriosclerosis. We measured the serum anti-HSP60 antibodies, anti-HSP70 antibodies, and anti-phospholipid antibodies (APA) in 68 women with RPL and 29 healthy controls. Among the women with RPL, 14 had a diagnosis of antiphospholipid syndrome (APS), and in the remaining 54, the causes for RPL were unexplained...
June 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28647939/non-criteria-or-seronegative-obstetric-antiphospholipid-syndrome
#6
REVIEW
Luis J Jara, Gabriela Medina, Polita Cruz-Cruz, Javier Olivares-Rivera, Carolina Duarte-Salazar, Miguel A Saavedra
Obstetric antiphospholipid syndrome (Obs-APS) is one of the most commonly identified causes of recurrent pregnancy loss and its accurate diagnosis is a requirement for optimal treatment. Some patients do not fulfill the revised Sapporo classification criteria, the original APS classification criteria, and are considered to be non-criteria Obs-APS. In these patients with non-criteria, there is controversy about their inclusion within the spectrum of APS and eventually their treatment as having Obs-APS. A subset of patients may also have clinical characteristics of Obs-APS even though lupus anticoagulant (LA), anticardiolipin antibodies, and anti-β2-glycoprotein I (aβ2GPI) antibodies are consistently negative...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28620416/antiphospholipid-syndrome-multiple-manifestations-in-a-single-patient-a-high-suspicion-is-still-needed
#7
Uroosa Ibrahim, Shiksha Kedia, Gwenalyn Garcia, Jean Paul Atallah
Antiphospholipid Syndrome (APS) is an autoimmune disorder with clinical and laboratory features of vascular thrombosis, pregnancy loss, and persistent antiphospholipid antibodies (aPLs). The pathophysiology is thought to involve the activation of endothelial cells, monocytes, platelets, and complement by aPLs. Disease can range from asymptomatic to rapidly fatal catastrophic APS. We present a case of a 34-year-old male referred for pancytopenia and splenomegaly. On examination, he had decreased sensation and 4/5 power in the left upper extremity...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28609801/hydroxychloroquine-to-improve-pregnancy-outcome-in-women-with-antiphospholipid-antibodies-hypatia-protocol-a-multinational-randomized-controlled-trial-of-hydroxychloroquine-versus-placebo-in-addition-to-standard-treatment-in-pregnant-women-with-antiphospholipid
#8
Karen Schreiber, Karen Breen, Hannah Cohen, Soren Jacobsen, Saskia Middeldorp, Sue Pavord, Lesley Regan, Dario Roccatello, Susan E Robinson, Savino Sciascia, Paul T Seed, Linda Watkins, Beverley J Hunt
No abstract text is available yet for this article.
June 13, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28576307/serological-evolution-in-women-with-positive-antiphospholipid-antibodies
#9
Leyre Riancho-Zarrabeitia, Germán Daroca, Pedro Muñoz, Marcos López-Hoyos, Ana Haya, Víctor M Martínez-Taboada
OBJECTIVES: To explore the clinical and serological course of fertile women with positive antiphospholipid (aPL), and the factors and therapeutic implications associated with aPL negativization. METHODS: Retrospective study including 105 women with a positive aPL serology between 1995 and 2013 attending the obstetric autoimmune pathology clinic of a tertiary facility. Patients were classified into the following 3 groups: patients with primary antiphospholipid syndrome (pAPS, 49), patients with a positive serology for aPL, not meeting clinical criteria (42), and patients with systemic lupus erythematosus and a positive aPL serology (14)...
May 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28550190/patient-derived-anti-%C3%AE-2gp1-antibodies-recognize-a-peptide-motif-pattern-and-not-a-specific-sequence-of-residues
#10
Philippe de Moerloose, Céline Fickentscher, Françoise Boehlen, Jean-Marie Tiercy, Egbert K O Kruithof, Karim J Brandt
Antiphospholipid antibody syndrome is an autoimmune disease characterized by the presence of so-called antiphospholipid antibodies and clinical manifestations such as recurrent thromboembolic or pregnancy complications. Although the main antigenic determinant for antiphospholipid antibodies has been identified as the beta-2-glycoprotein 1 (β2GP1), the precise epitope recognized by antiphospholipid antibodies still remains largely unknown. In the present study, we wanted to identify a sequence in the domain I of β2GP1 able to induce the proliferation of CD4+ T cells isolated from antiphospholipid antibody syndrome patients but not from healthy donors and to interact with antiphospholipid antibodies...
May 26, 2017: Haematologica
https://www.readbyqxmd.com/read/28538012/antiphospholipid-syndrome-an-update-for-clinicians-and-scientists
#11
Andrew P Vreede, Paula L Bockenstedt, Jason S Knight
PURPOSE OF REVIEW: Antiphospholipid syndrome (APS) is a leading acquired cause of thrombosis and pregnancy loss. Upon diagnosis (which is unlikely to be made until at least one morbid event has occurred), anticoagulant medications are typically prescribed in an attempt to prevent future events. This approach is not uniformly effective and does not prevent associated autoimmune and inflammatory complications. The goal of this review is to update clinicians and scientists on mechanistic and clinically relevant studies from the past 18 months, which have especially focused on inflammatory aspects of APS pathophysiology...
May 22, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28532221/antiphospholipid-antibodies-are-associated-with-positive-screening-for-common-mental-disorders-in-women-with-previous-pregnancy-loss-the-noha-psy-observational-study
#12
Jean-Christophe Gris, Fabienne Cyprien, Sylvie Bouvier, Eva Cochery-Nouvellon, Géraldine Lavigne-Lissalde, Erick Mercier, Jean-Pierre Balducchi
OBJECTIVES: Case reports describe neuropsychiatric manifestations associated with antiphospholipid antibodies (aPlAbs). In patients sharing the same symptoms fulfilling the antiphospholipid syndrome (APS) clinical criteria, the prevalence of common mental disorders has, however, never been studied. METHODS: We observed women with three consecutive abortions before the 10th week of gestation or one foetal loss at or beyond the 10th week. We compared the prevalence of common psychiatric disorders detected through screening using the Mini International Neuropsychiatric Interview, 10 years after inclusion, in women with APS (n = 506), women negative for aPlAbs but carrying the F5rs6025 or F2rs1799963 thrombogenic polymorphism (n = 269), and women with negative thrombophilia screening results as controls (n = 764)...
June 19, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28515823/lupus-negative-libman-sacks-endocarditis-complicated-by-catastrophic-antiphospholipid-syndrome
#13
Ghulam Murtaza, Joy Iskandar, Tara Humphrey, Sujeen Adhikari, Aneesh Kuruvilla
Libman-Sacks endocarditis is characterized by sterile and verrucous lesions that predominantly affect the aortic and mitral valves. In most cases, patients do not have significant valvular dysfunction. However, patients with significant valvular dysfunction may present with serious complications such as cardiac failure, arrhythmias, and thromboembolic events. Recently, association of Libman-Sacks endocarditis with antiphospholipid antibody syndrome (APS) has been made. APS is most commonly defined by venous and arterial thrombosis, recurrent pregnancy loss, and thrombocytopenia...
April 2017: Cardiology Research
https://www.readbyqxmd.com/read/28483615/severe-mesenteric-ischemia-in-a-pregnant-woman-with-antiphospholipid-syndrome
#14
Andrea Padricelli, Anna Maria Giribono, Doriana Ferrara, Flavia Spalla, Umberto Bracale, Luca Del Guercio, Giuseppe Servillo, Carlo Ruotolo, Umberto Marcello Bracale
The antiphospholipid syndrome (APS), either primary or secondary form, is considered an autoimmune disease with presence of at least one clinical and one laboratory abnormalities as defined by The Sydney criteria. Clinical criteria include vascular thrombosis of venous, artery, small vessel in any organ and recurrent pregnancy pathologies. Mesenteric ischemia is a rare and threatening manifestation of APS. We herein report a case of 34-years old pregnant woman referred to our Emergency Room with thoracic and abdominal acute pain...
May 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28479751/uterine-cd56-dim-and-cd16-cells-in-refractory-antiphospholipid-antibody-related-pregnancy-loss-and-chromosomally-intact-abortuses-a-case-control-study
#15
Mostafa F Gomaa, Abdeiiatif G Elkhouly, Mohammad M Farghly, Laila A Farid, Nahla M Awad
AIM: To evaluate the role of uterine natural killer (uNK) CD56(dim) and CD16(+) cells in patients with refractory antiphospholipid, antibody-mediated, recurrent, pregnancy loss. SETTINGS AND DESIGN: A case-control study was conducted between 2012 and 2015 at a university hospital. PATIENTS AND METHODS: A group of 118 women with a history of antiphospholipid antibody syndrome experiencing fetal loss in spite of low dose aspirin (LDA) and low molecular weight heparin (LMWH) treatment in the current pregnancy were included in this study...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28479750/serum-protein-profile-in-women-with-pregnancy-morbidity-associated-with-antiphospholipid-syndrome
#16
Angela M Alvarez, Stefan Neubeck, Sergio Parra, Udo R Markert, Angela P Cadavid
CONTEXT: Antiphospholipid antibodies (aPL) are related with a high risk of pregnancy morbidity (PM) and also of vascular thrombosis. On the basis of recent studies, we expect that in women with PM associated with antiphospholipid syndrome (APS), further factors may be deregulated and involved in pathophysiology of the disease. Such factors may have the potential to become novel biomarkers for APS and its stages. SETTINGS AND DESIGN: Descriptive study from a recurrent pregnancy loss program...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28471597/women-s-issues-in-antiphospholipid-syndrome
#17
Emmanouil Papadakis, Anastasia Banti, Anna Kioumi
Antiphospholipid syndrome (APS) is an autoimmune systemic disease characterized by vascular thrombosis (arterial or venous) and/or pregnancy complications associated with the occurrence of autoantibodies, specifically lupus anticoagulant, anticardiolipin antibodies, and/or anti-β2 glycoprotein-I antibodies confirmed at least twice over a 12 week period according to the 2006 Sydney criteria. Antiphospholipid antibodies are encountered  in the general population with a reported prevalence of 1% to 5%  However, APS is far more infrequent with a prevalence of 40-50/100,000 persons and an incidence of about 5 new patients/100,000 persons...
September 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28470652/laboratory-diagnostics-of-antiphospholipid-syndrome
#18
Vittorio Pengo, Elisa Bison, Gentian Denas, Seena Padayattil Jose, Giacomo Zoppellaro, Alessandra Banzato
Diagnosis of antiphospholipid syndrome (APS) lies in the recognition of antiphospholipid antibodies (aPL). As standardization of tests for the detection of aPL is far from being optimal and reference material is not available, inappropriate diagnoses of APS are not unusual. In the last few years, the concept of triple test positivity has emerged as a useful tool to identify patients with APS. Clinical studies on patients and carriers of triple positivity clearly show that these individuals are at high risk of thromboembolic events and pregnancy loss...
May 3, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28467291/clinical-associations-of-proinflammatory-cytokines-oxidative-biomarkers-and-vitamin-d-levels-in-systemic-lupus-erythematosus
#19
R Willis, M Smikle, K DeCeulaer, Z Romay-Penabad, E Papalardo, P Jajoria, B Harper, V Murthy, M Petri, E B Gonzalez
Background The abnormal biological activity of cytokines plays an important role in the pathophysiology of both systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS). Several studies have highlighted the association of vitamin D and certain pro-inflammatory cytokines with disease activity in SLE. However, there are limited data on the association of vitamin D and antiphospholipid antibodies (aPL) with various proinflammatory biomarkers in these patients and their relative impact on clinical outcomes...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28441446/fetal-outcomes-and-associated-factors-of-adverse-outcomes-of-pregnancy-in-southern-chinese-women-with-systemic-lupus-erythematosus
#20
Zhongping Zhan, Ying Yang, Yanfeng Zhan, Dongying Chen, Liuqin Liang, Xiuyan Yang
This study aims to investigate the fetal outcomes and associated factors of adverse pregnancy outcomes (APOs) in pregnant women with systemic lupus erythematosus (SLE). Clinical data from 251 SLE patients with 263 pregnancies from 2001 to 2015 were analyzed retrospectively. APOs occurred in 70.0% of pregnancies, in which pregnancy loss occurred in 28.5%; preterm delivery occurred in 21.3%; intrauterine growth retardation occurred in 12.2%; and fetal distress occurred in 8.0%. Over time, the rate of APOs decreased from 82...
2017: PloS One
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