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Sarecka-Hujar B, Kopyta I. Antiphospholipid syndrome and its role in pediatric cerebrovascular diseases: A literature review. World J Clin Cases 2020; 8:1806-1817. [PMID: 32518771 PMCID: PMC7262698 DOI: 10.12998/wjcc.v8.i10.1806] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 04/10/2020] [Accepted: 04/26/2020] [Indexed: 02/05/2023] Open
Abstract
Antiphospholipid syndrome (APS) or Hughes syndrome is an acquired thromboinflammatory disorder. Clinical criteria of APS diagnosis are large- and small-vessel thrombosis as well as obstetric problems; laboratory criteria are the presence of antiphospholipid antibodies (lupus anticoagulant, anticardiolipin antibodies and anti-β2-glycoprotein-1). The presence of at least 1 clinical and 1 laboratory criterion allows definitive diagnosis of APS. Primary APS is diagnosed in patients without features of connective tissue disease; secondary APS is diagnosed in patients with clinical signs of autoimmune disease. A high frequency of catastrophic APS as well as a high tendency to evolve from primary APS to secondary syndrome during the course of lupus and lupus-like disease is a feature of pediatric APS. The most characteristic clinical presentation of APS in the pediatric population is venous thrombosis, mainly in the lower limbs, and arterial thrombosis causing ischemic brain stroke. Currently, no diagnostic criteria for pediatric APS exist, which probably results in an underestimation of the problem. Similarly, no therapeutic procedures for APS specific for children have yet been established. In the present literature review, we discussed data concerning APS in children and its role in cerebrovascular diseases, including pediatric arterial ischemic stroke, migraine and cerebral venous thrombosis.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Basic Biomedical Science, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec 41200, Poland
| | - Ilona Kopyta
- Department of Paediatric Neurology, School of Medicine in Katowice, Medical University of Silesia in Katowice, Sosnowiec 41200, Poland
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Lopez-Pedrera C, Barbarroja N, Patiño-Trives AM, Collantes E, Aguirre MA, Perez-Sanchez C. New Biomarkers for Atherothrombosis in Antiphospholipid Syndrome: Genomics and Epigenetics Approaches. Front Immunol 2019; 10:764. [PMID: 31040845 PMCID: PMC6476988 DOI: 10.3389/fimmu.2019.00764] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 03/22/2019] [Indexed: 01/08/2023] Open
Abstract
Antiphospholipid Syndrome (APS) is an autoimmune disorder, characterized by pregnancy morbidity and/or a hyper coagulable state involving the venous or the arterial vasculature and associated with antiphospholipid antibodies (aPL), including anti-cardiolipin antibodies (aCL), anti-beta2-glycoprotein I (anti-ß2GPI), and Lupus anticoagulant (LA). In recent years there have been many advances in the understanding of the molecular basis of vascular involvement in APS. APS is of multifactorial origin and develops in genetically predisposed individuals. The susceptibility is determined by major histocompatibility complex (MHC). Different HLA-DR and HLA-DQ alleles have been reported in association with APS. Moreover, MHC II alleles may determine the autoantibody profile and, as such, the clinical phenotype of this disease. Besides, polymorphisms in genes related to the vascular system are considered relevant factors predisposing to clinical manifestations. Antiphospholipid antibodies (aPL) induce genomic and epigenetic alterations that support a pro- thrombotic state. Thus, a specific gene profile has been identified in monocytes from APS patients -related to aPL titres in vivo and promoted in vitro by aPL- explaining their cardiovascular involvement. Regarding epigenetic approaches, we previously recognized two miRNAs (miR-19b/miR-20a) as potential modulators of tissue factor, the main receptor involved in thrombosis development in APS. aPLs can further promote changes in the expression of miRNA biogenesis proteins in leukocytes of APS patients, which are translated into an altered miRNA profile and, consequently, in the altered expression of their protein targets related to thrombosis and atherosclerosis. MicroRNAs are further released into the circulation, acting as intercellular communicators. Accordingly, a specific signature of circulating miRNAs has been recently identified in APS patients as potential biomarkers of clinical features. Genomics and epigenetic biomarkers might also serve as indices for disease progression, clinical pharmacology, or safety, so that they might be used to individually predict disease outcome and guide therapeutic decisions. In that way, in the setting of a clinical trial, novel and specific microRNA–mRNA regulatory networks in APS, modified by effect of Ubiquinol treatment, have been identified. In this review, current and previous studies analyzing genomic/epigenetic changes related to the clinical profile of APS patients, and their modulation by effect of specific therapies, are discussed.
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Affiliation(s)
- Chary Lopez-Pedrera
- Instituto Maimonides de Investigación Biomédica de Cordoba, Reina Sofia Hospital, Córdoba, Spain.,Hospital Universitario Reina Sofía, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
| | - Nuria Barbarroja
- Hospital Universitario Reina Sofía, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
| | - Alejandra Mª Patiño-Trives
- Instituto Maimonides de Investigación Biomédica de Cordoba, Reina Sofia Hospital, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
| | - Eduardo Collantes
- Hospital Universitario Reina Sofía, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
| | - Mª Angeles Aguirre
- Hospital Universitario Reina Sofía, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
| | - Carlos Perez-Sanchez
- Hospital Universitario Reina Sofía, Córdoba, Spain.,Inflammatory and Systemic Autoimmune Diseases' Group, Instituto Maimonides de Investigacion Biomédica de Córdoba, Cordova, Spain.,Department of Medicine, Universidad de Córdoba, Córdoba, Spain
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Santos TDS, Ieque AL, de Carvalho HC, Sell AM, Lonardoni MVC, Demarchi IG, de Lima Neto QA, Teixeira JJV. Antiphospholipid syndrome and recurrent miscarriage: A systematic review and meta-analysis. J Reprod Immunol 2017; 123:78-87. [PMID: 28985591 DOI: 10.1016/j.jri.2017.09.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 09/15/2017] [Accepted: 09/18/2017] [Indexed: 10/18/2022]
Abstract
Antiphospholipid syndrome (APS) is an autoimmune condition that is associated with thrombosis and morbidity in pregnancy. The exact mechanisms by which these associations occur appear to be heterogeneous and are not yet well understood. The aim of this study was to identify and analyze publications in recent years to better understand the diagnosis and its contribution to monitoring APS among women with recurrent miscarriage (RM). This systematic review and meta-analysis was conducted using the PubMed and Web of Knowledge databases, with articles published between 2010 and 2014, according to the PRISMA statement. Of the 85 identified studies, nine were selected. Most of the studies reported an association between recurrent miscarriage and specific antiphospholipid antibodies, as anticardiolipin antibodies (aCL), lupus anticoagulant (LA), anti-β2-glycoprotein I antibodies (aβ2GPI) and antiphosphatidylserine (aPS), which showed a relationship with RM. The main result of the meta-analysis revealed association between antiphospholipid antibodies (aPLs) and/or APS compared to the patients with RM (OR: 0.279; 95% CI: 0.212-0.366) and APS cases compared to the patients with RM (OR: 0.083; 95% CI: 0.036-0.189). High heterogeneity among these studies (I2=100.0%, p <0.001) was observed. In addition, there was no significant publication bias across studies according to Begg's test (p=0.230), although Egger's test (p=0.037) suggests significant publication bias. The funnel plot was slightly asymmetrical. Systematic review and meta-analysis demonstrated a positive association between antiphospholipid antibodies and/or antiphospholipid syndrome in patients with recurrent miscarriage.
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Affiliation(s)
- Thaís da Silva Santos
- Postgraduate Program in Biosciences and Physiopathology, State University Maringa, 5790 Colombo Avenue, 87020-900, Maringa, Brazil
| | - Andressa Lorena Ieque
- Postgraduate Program in Health Sciences, State University Maringa, 5790 Colombo Avenue, 87020-900 Maringa, Brazil
| | - Hayalla Corrêa de Carvalho
- Postgraduate Program in Biosciences and Physiopathology, State University Maringa, 5790 Colombo Avenue, 87020-900, Maringa, Brazil
| | - Ana Maria Sell
- Department of Cell Biology and Genetics, Center of Biological Sciences, State University Maringa,5790 Colombo Avenue, 87020-900 Maringa, Brazil
| | | | - Izabel Galhardo Demarchi
- Department of Clinical Analyses and Biomedicine, State University Maringa, 5790 Colombo Avenue, 87020-900 Maringa, Brazil
| | - Quirino Alves de Lima Neto
- Department of Basic Health Sciences, State University Maringa,5790 Colombo Avenue, 87020-900 Maringa, Brazil
| | - Jorge Juarez Vieira Teixeira
- Postgraduate Program in Biosciences and Physiopathology, Department of Clinical Analyses and Biomedicine, State University Maringa, 5790 Colombo Avenue, 87020-900 Maringa, Brazil.
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Antiphospholipid Syndrome: Role of Vascular Endothelial Cells and Implications for Risk Stratification and Targeted Therapeutics. J Am Coll Cardiol 2017; 69:2317-2330. [PMID: 28473138 DOI: 10.1016/j.jacc.2017.02.058] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Revised: 02/21/2017] [Accepted: 02/28/2017] [Indexed: 12/28/2022]
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by venous thromboembolism, arterial thrombosis, and obstetric morbidities in the setting of persistently positive levels of antiphospholipid antibodies measured on 2 different occasions 12 weeks apart. Patients with APS are at increased risk for accelerated atherosclerosis, myocardial infarction, stroke, and valvular heart disease. Vascular endothelial cell dysfunction mediated by antiphospholipid antibodies and subsequent complement system activation play a cardinal role in APS pathogenesis. Improved understanding of their pathogenic function could help in the risk stratification of patients with APS and provide new molecular therapeutic targets.
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Merashli M, Noureldine MHA, Uthman I, Khamashta M. Antiphospholipid syndrome: an update. Eur J Clin Invest 2015; 45:653-62. [PMID: 25851448 DOI: 10.1111/eci.12449] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 04/04/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND Antiphospholipid syndrome (APS) or 'Hughes syndrome' is a prothrombotic disease characterized by thrombosis and pregnancy morbidity in the presence of antiphospholipid antibodies (aPL). More than three decades have passed, and experts are still uncovering new pieces of this disease complex pathogenesis and management. MATERIALS AND METHODS We searched in literature using MEDLINE and PubMed databases focusing on the latest development on disease pathogenesis, risk assessment of thrombosis and treatment of APS. RESULTS The phosphatidylinositol 3-kinase (PI3K)-AKT-mTORC pathway was most recently identified to have a crucial role in activating inflammation among endothelial vessel wall causing vascular lesions in APS. Additionally, new variables are being implemented to assess the risk of thrombosis in patients with APS. Global APS Score (GAPSS) utilizes cardiovascular risk factors and new autoimmune antibodies as part of the score assessment and is the most valid so far. It can be a promising tool in the future for prediction of thrombosis. Anticoagulation remains the cornerstone in APS; however, many new potential therapeutic agents are developing and are currently under investigation. CONCLUSIONS The most recent advances in pathogenesis, risk stratification and treatment provide a platform for high yield studies with the ultimate goal of providing the optimal management to patients with APS.
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Affiliation(s)
- Mira Merashli
- Division of Rheumatology, Faculty of Medicine, The Royal London Hospital, London, UK
| | | | - Imad Uthman
- Division of Rheumatology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Munther Khamashta
- Graham Hughes Lupus Research Laboratory, Division of Women's Health King's College London, The Rayne Institute, St Thomas' Hospital, London, UK
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